CN111099337B

CN111099337B - Vehicle-driven type battery cell processing and conveying line and conveying process thereof

Info

Publication number: CN111099337B
Application number: CN201811263481.XA
Authority: CN
Inventors: 刘成; 唐延弟; 吴利军; 刘其勇
Original assignee: Shenzhen Sinvo Automatic Co Ltd
Current assignee: Shenzhen Sinvo Automatic Co Ltd
Priority date: 2018-10-28
Filing date: 2018-10-28
Publication date: 2024-06-18
Anticipated expiration: 2038-10-28
Also published as: CN111099337A

Abstract

The invention discloses a vehicle-driven type battery cell processing and conveying line and a conveying process thereof, wherein the vehicle-driven type battery cell processing and conveying line comprises a first conveying guide rail, a second conveying guide rail, a return guide rail, a line changing mechanism, a jig and a blocking, positioning and opening and closing mechanism, wherein the first conveying guide rail and the second conveying guide rail are arranged on a rack at intervals in parallel along a material conveying direction; the first feed back guide rail is arranged in parallel between the first transmission guide rail and the second transmission guide rail; the blocking positioning and opening mechanism is arranged at the lower parts of the first transmission guide rail and the second transmission guide rail corresponding to each station; the jig is slidably arranged on the first transmission guide rail and the second transmission guide rail; the wire changing mechanisms comprise two wire changing mechanisms which are respectively arranged at two ends of the first transmission guide rail and the second transmission guide rail. The invention can effectively improve the productivity and realize the cyclic processing of the battery cell.

Description

Vehicle-driven type battery cell processing and conveying line and conveying process thereof

Technical Field

The invention relates to the field of mechanical automation, in particular to a vehicle-driven type cell processing and conveying line and a conveying process thereof.

Background

The lithium ion secondary rechargeable battery consists of a battery core and a protection circuit board, the battery core is the battery core after the protection circuit board is removed, the battery core is an electric storage part of the rechargeable battery, and the quality of the battery core directly determines the quality of the rechargeable battery. The cell production and processing process comprises a plurality of working procedure stations, is usually completed on a processing assembly line, and is an important way for enterprises to effectively improve the productivity of the production line, save the cost and improve the competitiveness along with the upgrading and adjustment of domestic industries; for a battery cell manufacturing enterprise, aiming at the automatic transformation and upgrading of a battery cell production line, the realization of robot replacement and the improvement of productivity efficiency are the urgent tasks at present; in an automatic production line of the battery cell, a clamping and fixing mode of the battery cell, a material transmission and movement and a positioning processing mode are important components of the automatic production line, and the efficiency of clamping and fixing the battery cell, the material transmission and movement and positioning directly influences the productivity efficiency of the whole line. The traditional battery core clamping jig generally adopts a flip cover pressing clamping mode or a mode of clamping through a spring clamping block in the jig, an independent jig opening mechanism is required to be designed in the battery core taking and placing process to open the jig so as to take the discharging core, the jig cannot be effectively linked with a jig positioning mechanism at a production line station, the time consumption is high in the jig opening and closing process, and the production efficiency is low; the traditional jig adopts the structure of mounting groove to be used for laying and spacing electric core, because electric core is mostly sheet structure, and the electric core is put into in the jig mounting groove after, and the manipulator is got and is put inconveniently. In addition, the traditional battery core production line adopts a single-wire processing mode, and the whole-line material transmission wiring design has limited capacity improvement in the same installation space, and becomes a key bottleneck for limiting the whole-line capacity improvement; in addition, the positioning mechanism for positioning and fixing the jig, which is arranged at the whole line station of the traditional automatic production line, cannot be linked with the opening and closing structure of the jig, so that the positioning efficiency is poor and the time consumption is high.

Disclosure of Invention

The invention aims to solve the technical problems of the prior art, and provides a jig for clamping a battery cell in an up-down pressing mode, double-line processing production of the battery cell can be simultaneously carried out through three-guide-rail structural layout, material returning is completed through a return guide rail, cyclic processing of the battery cell is effectively realized while productivity is improved, positioning of the jig is completed through a passive lifting and supporting positioning mode after blocking, and positioning efficiency is effectively improved.

The technical scheme adopted by the invention is as follows: the vehicle-driven type battery cell processing and conveying line is arranged on a rack and comprises a first conveying guide rail, a second conveying guide rail, a return guide rail, a line changing mechanism, a jig and a blocking, positioning and opening and closing mechanism, wherein the first conveying guide rail and the second conveying guide rail are arranged on the rack at intervals in parallel along the material conveying direction, two sides of the first conveying guide rail and the second conveying guide rail are respectively provided with two conveying belts which are arranged in parallel, and at least two stations are arranged on the outer sides of the conveying belts; the feed back guide rail is arranged in parallel between the first transmission guide rail and the second transmission guide rail; the blocking, positioning and opening and closing mechanisms comprise at least two, and the blocking, positioning and opening and closing mechanisms are arranged at the lower parts of the first transmission guide rail and the second transmission guide rail corresponding to each station; the jig is slidably arranged on the first transmission guide rail and the second transmission guide rail, the transmission belt is pressed down, the jig is driven to move forward to a station along the first transmission guide rail or the second transmission guide rail when the transmission belt moves forward, the blocking positioning and opening and closing mechanism blocks the jig, and the jig is lifted up to separate the jig from the transmission belt, so that products on the jig are processed and produced at the station; the two line changing mechanisms are respectively arranged at two ends of the first transmission guide rail and the second transmission guide rail, the two line changing mechanisms, the first transmission guide rail, the second transmission guide rail and the return guide rail form a material flow circulation loop, the jig drives a product to finish processing production on the first transmission guide rail and the second transmission guide rail, the jig is moved to the return guide rail by the line changing mechanism at one end and moves to the line changing mechanism at the other end backwards along the return guide rail, and the jig is moved to the first transmission guide rail and the second transmission guide rail again by the line changing mechanism at the other end so as to perform circulation processing production;

The fixture comprises a saddle, a fixing frame, a movable frame and an opening and closing block, wherein the saddle is horizontally arranged, the fixing frame is of a U-shaped structure, and the fixing frame is arranged on the saddle; the movable frame is of a return structure, is sleeved into the fixed frame from the left side and the right side of the fixed frame, can freely slide in the fixed frame along the vertical direction, and is connected with the fixed frame through a vertically arranged opening and closing spring; the opening and closing block is connected to the bottom of the movable frame and freely extends downwards through the saddle, and when materials are transported and processed, the movable frame is pressed downwards by the reverse thrust provided by the opening and closing spring, and the movable frame clamps and fixes the battery cell to be processed on the fixed frame; when the discharging core is taken out, the blocking positioning and opening and closing mechanism pushes the opening and closing block upwards, and the opening and closing block drives the movable frame to move upwards so as to loosen the battery core or leave a battery core loading space.

Preferably, the left side and the right side of the fixing frame are respectively provided with a vertical groove, and the two vertical grooves respectively penetrate through the left side wall and the right side wall of the fixing frame; the lower transverse plate of the movable frame is horizontally sleeved into the two vertical grooves; the opening and closing springs comprise at least two opening and closing springs which are vertically connected between the lower transverse plate of the movable frame and the upper transverse plate of the fixed frame, and in a natural state, the opening and closing springs provide downward thrust for the movable frame, so that the movable frame moves downwards along the vertical groove, and the upper transverse plate of the movable frame and the upper transverse plate of the fixed frame clamp and fix the battery cell.

Preferably, the fixture further comprises a fixed seat, a movable seat, a roller seat, a connecting block, a blocking spring, a roller, a limiting block and a sliding block, wherein the fixed seat is fixedly arranged at the lower part of the saddle, and the movable seat is movably arranged below the fixed seat; the lower part of the fixed seat and the upper part of the movable seat are respectively provided with a U-shaped groove, and the two U-shaped grooves are in butt joint up and down; the connecting blocks comprise two connecting blocks, the two connecting blocks are respectively arranged at the front end and the rear end of the U-shaped groove, and the upper end and the lower end of the two connecting blocks are respectively and rotatably connected to the inner walls of the U-shaped grooves of the fixed seat and the movable seat; when the connecting block rotates, the movable seat moves up and down in the vertical direction; the two ends of the blocking spring are respectively connected to the connecting block and the fixing seat at the front end.

Preferably, the roller seat is fixedly connected to the outer side wall of the movable seat, and the roller is rotatably connected to the roller seat; the limiting block is arranged on one side of the roller seat and is fixedly connected with the side wall of the movable seat, and an upward concave limiting groove is formed in the bottom of the limiting block; when the jig moves to the station, the blocking positioning and opening and closing mechanism blocks the roller, and the blocking force of the blocking positioning and opening and closing mechanism to the roller is transmitted to the movable seat, so that the connecting block drives the movable seat to rotate anticlockwise and lift upwards, and the bottom of the movable seat is separated from the transmission belt which keeps moving at two sides of the first transmission guide rail or the second transmission guide rail; the blocking positioning and opening and closing mechanism is clamped with the limiting groove of the limiting block upwards so as to support and limit the jig; the sliding block is arranged at the bottom of the movable seat and along the material conveying direction, and is slidably embedded on the first conveying guide rail, the second conveying guide rail or the return guide rail, so that the jig is slidably connected with the first conveying guide rail, the second conveying guide rail or the return guide rail.

Preferably, the wire changing mechanism comprises a support plate, a sliding rail, a wire changing motor, a wire changing screw rod, a wire changing sliding seat and a wire changing vehicle, wherein the support plate is horizontally arranged on the frame and is positioned at the outer ends of the first transmission guide rail, the second transmission guide rail and the return guide rail; the sliding rails comprise two sliding rails which are arranged on the support plate at intervals in parallel along the direction perpendicular to the first transmission guide rail and the second transmission guide rail; the two wire changing motors are respectively arranged at one ends of the two sliding rails, and the output ends of the wire changing motors are connected with wire changing screw rods; the two wire changing sliding seats are respectively embedded on the two sliding rails in a sliding manner and are respectively connected with the two wire changing screw rods through the screw rod seat, and the wire changing motor drives the wire changing sliding seats to linearly move back and forth along the sliding rails through the wire changing screw rods and the screw rod seat.

Preferably, the line changing vehicle comprises a vertical plate, a line changing sliding rail, a line changing driving motor and a line changing driving wheel, wherein the vertical plate is vertically arranged on the line changing sliding seat, the line changing sliding rail is arranged on the vertical plate, and the arrangement direction of the line changing sliding rail is the same as that of the first transmission guide rail and the second transmission guide rail; the wire-changing driving motor is arranged on one side of the vertical plate, and an output shaft of the wire-changing driving motor penetrates through the vertical plate; the two wire-changing driving wheels are symmetrically arranged on two side walls of the vertical plate respectively and are rotatably connected with the vertical plate, one side of each wire-changing driving wheel is provided with at least two tensioning wheels, and the tensioning wheels and the wire-changing driving wheels are sleeved with a wire-changing transmission belt; when the line is replaced, the line replacing motor drives the line replacing vehicle to move to the first transmission guide rail, the second transmission guide rail or the return guide rail, so that the line replacing slide rail is in butt joint with the first transmission guide rail, the second transmission guide rail or the return guide rail, and the line replacing transmission belt is in butt joint with the transmission belt; the line changing driving motor drives the line changing transmission belt to move so that a jig on the line changing transmission belt moves into the first transmission guide rail, the second transmission guide rail or the return guide rail; or the conveying belt moves to enable the jig on the first conveying guide rail, the second conveying guide rail or the return guide rail to move to the line changing slide rail.

Preferably, the blocking, positioning and opening and closing mechanism comprises a blocking part, a positioning part and a jig opening and closing part, wherein the blocking part is arranged below the first transmission guide rail or the second transmission guide rail and extends upwards, and when the jig is conveyed to the station, the blocking part extends upwards and blocks the roller from the front side of the roller, so that the jig moves upwards to be separated from the transmission belt; the positioning component is arranged on the side part of the blocking component, and after the jig is lifted, the positioning component moves upwards to be mutually clamped with the limiting groove of the limiting block, so that the jig is kept in a state of being separated from the conveying belt, and the jig is limited and fixed; the jig opening and closing component is arranged on the side part of the positioning component, when the battery cell is fed and discharged, the jig opening and closing component moves upwards and pushes the opening and closing block upwards, the opening and closing block jacks up the movable frame upwards, and the jig is opened, so that the battery cell can be loaded into or unloaded from the jig.

Preferably, the fixture opening and closing component comprises an opening and closing seat, an opening and closing cylinder, an opening and closing sliding seat and an opening and closing push rod, wherein the opening and closing seat is connected to the frame, the opening and closing cylinder is arranged at the lower part of the opening and closing seat, and the output end of the opening and closing cylinder is upwards arranged; the opening and closing sliding seat is slidably connected to the side wall of the opening and closing seat and is connected with the output end of the opening and closing cylinder, and the opening and closing cylinder drives the opening and closing sliding seat to move up and down; the opening and closing push rod is vertically connected to the opening and closing sliding seat and moves up and down along with the opening and closing sliding seat so as to jack up the opening and closing block upwards and open the jig.

Preferably, the blocking component comprises a blocking support plate, a blocking cylinder, a blocking push rod and a blocking block, wherein the blocking support plate is vertically connected to the frame; the blocking cylinder is connected to the lower part of the blocking support plate, and the output end of the blocking cylinder is upwards arranged; the blocking push rod is of a U-shaped rod structure, the blocking push rod is vertically connected to the blocking support plate, and the U-shaped rod body at the upper part of the blocking push rod extends upwards to the conveying belts at the two sides of the first conveying guide rail or the second conveying guide rail respectively; the blocking blocks comprise two blocks, the two blocking blocks are connected to the U-shaped rod body at the upper part of the blocking push rod, and the top of each blocking block is provided with an inclined surface which extends forwards and gradually upwards in an inclined manner; when the jig moves to the station, the blocking cylinder drives the blocking block to move upwards, so that the inclined surface of the blocking block contacts with the roller of the jig to block the roller, and the movable seat of the jig is separated from the conveying belt upwards; the positioning component comprises a positioning support plate, a positioning cylinder, a positioning sliding seat and a positioning wheel, wherein the positioning support plate is vertically connected to the frame, the positioning cylinder is arranged on one side wall of the positioning support plate, and the output end of the positioning cylinder is upwards arranged; the positioning sliding seat is slidably arranged on the other side wall of the positioning support plate and is connected with the output end of the positioning cylinder; the positioning wheel is rotatably connected to the upper end of the positioning slide seat; after the blocking block blocks the roller and lifts the jig upwards, the positioning cylinder drives the positioning wheel to move upwards and is embedded into the limiting groove so as to support the jig upwards and limit and fix the jig forwards and backwards.

A transmission process of a car transmission type cell processing transmission line comprises the following process steps:

S1, blocking: the fixture is blocked by a blocking part of the blocking, positioning and opening-closing mechanism at the station of the first transmission guide rail or the second transmission guide rail, and after the fixture is blocked, the movable seat of the fixture rotates anticlockwise along with the connecting block and lifts upwards, and the bottom of the movable seat is separated from the transmission belts which keep moving at the two sides of the first transmission guide rail or the second transmission guide rail;

S2, positioning: after being blocked and lifted upwards in the step S1, the positioning component of the blocking positioning and opening and closing mechanism moves upwards, so that the positioning wheel of the positioning component is embedded into the limiting groove of the jig upwards, and the positioning wheel supports the jig and enables the jig to be limited and fixed forwards and backwards;

S3, feeding and clamping the battery cells: after the jig is positioned at the feeding station of the first transmission guide rail or the second transmission guide rail in the step S2, the opening and closing push rod of the jig opening and closing part of the blocking positioning and opening and closing mechanism pushes the opening and closing block of the jig upwards, the opening and closing block drives the movable frame of the jig to move upwards, and the transverse plate at the upper part of the movable frame is separated from the transverse plate at the upper part of the jig fixing frame so as to be convenient for loading the battery cells; the opening and closing push rod of the tool opening and closing part descends, the upward thrust born by the movable frame disappears, and the movable frame descends the piezoelectric core under the action of the elasticity of the opening and closing spring so as to clamp and fix the electric core;

S4, line replacement at the tail end: the jig drives the battery cell to move to each station on the first transmission guide rail or the second transmission guide rail, and after the battery cell finishes production and processing at each station, the wire changing mechanism moves to the tail end of the first transmission guide rail or the second transmission guide rail and is in butt joint with the first transmission guide rail or the second transmission guide rail, and the jig moves to a wire changing vehicle of the wire changing mechanism and moves to a feed back guide rail along with the wire changing vehicle;

s5, material returning: in the step S4, the line changing slide rail of the line changing vehicle is in butt joint with the return guide rail, the line changing transmission belt of the line changing vehicle is in butt joint with the transmission belt of the return guide rail, the line changing transmission belt drives the jig to move onto the transmission belt, and the jig moves backwards to the front end of the first transmission guide rail or the second transmission guide rail along the transmission belt of the return guide rail;

s6, front-end line replacement: in the step S5, after the jig on the return guide rail moves to the front end, the wire changing mechanism positioned at the front end moves to the position of the return guide rail, the wire changing slide rail of the wire changing vehicle of the wire changing mechanism is in butt joint with the return guide rail, the wire changing transmission belt of the wire changing vehicle is in butt joint with the transmission belt of the return guide rail, and the jig on the return guide rail moves to the wire changing vehicle;

S7, circularly flowing materials: and S6, the line changing trolley drives the jig to move to the first transmission guide rail or the second transmission guide rail, the line changing slide rail of the line changing trolley is in butt joint with the first transmission guide rail or the second transmission guide rail, the line changing transmission belt of the line changing trolley is in butt joint with the transmission belt of the first transmission guide rail or the second transmission guide rail, and the jig on the line changing trolley is driven to move to the transmission belt through the line changing transmission belt and moves to each station along with the transmission belt so as to carry out cyclic processing production.

The invention has the beneficial effects that:

The invention designs a jig for clamping a battery core in an up-down pressing mode, which aims at the defects and the shortcomings of the prior art, can simultaneously carry out double-line processing production of the battery core through the structure layout of three guide rails, and can complete material returning through a return guide rail, thereby realizing cyclic processing of the battery core while effectively improving productivity, and completing jig positioning through a passive lifting and supporting positioning mode after blocking, and effectively improving positioning efficiency. The invention designs a jig for clamping and fixing the battery cell according to the structural characteristics of the battery cell and the production and processing requirements, and takes the jig as a battery cell transfer carrier to transfer the battery cell to each processing station of a production line; the fixture mainly comprises two parts, wherein the upper part of the fixture is a clamping part and comprises a fixing frame with a U-shaped structure, a movable frame with a back-shaped structure, an opening and closing spring and an opening and closing block, wherein vertical grooves are formed in the left side and the right side of the fixing frame, and the movable frame is sleeved into the fixing frame through the vertical grooves and freely slides along the vertical grooves; the opening and closing spring is vertically connected between the lower transverse plate of the movable frame and the upper transverse plate of the fixed frame, the opening and closing block is connected to the bottom of the lower transverse plate of the movable frame, and the pressure of the opening and closing spring downwards pushes the movable frame under the natural state so that the movable frame presses the piezoelectric core; when the battery core is clamped by adopting the structure, and the battery core pressing clamp is arranged between the movable frame and the transverse plate of the fixed frame, two sides of the battery core pressing clamp horizontally extend to the outer side of the transverse plate, compared with the traditional mounting groove structure, the battery core pressing clamp is extremely convenient for a manipulator to take the battery core; when the discharging core is taken, the opening and closing block is pushed up by the jig opening and closing component, the opening and closing block drives the movable frame to move upwards, the battery core can be loosened or the battery core installation space is reserved, and the battery core is taken and placed conveniently and rapidly, so that the efficiency is high. In addition, the lower part of the fixture is a matched positioning part, the structure of the part realizes passive lifting after the fixture moves to a station and is blocked by a blocking positioning and opening and closing mechanism, so that the fixture is integrally separated from a transmission belt and is supported and positioned by a positioning part so as to enable a battery cell to be processed and produced at the station, the structure part comprises a fixed seat, a movable seat, a connecting block, a blocking spring, a roller and a limiting block, U-shaped grooves are respectively formed on the fixed seat and the movable seat, the movable seat is rotatably connected to the fixed seat through the connecting block in the U-shaped grooves, the elastic force of the blocking spring drives the movable seat to rotate clockwise under the natural state, so that the movable seat is downward far away from the fixed seat, when the blocking component blocks the roller, the reverse impact force of the blocking component to the roller enables the movable seat to rotate anticlockwise, the movable seat is lifted upwards to be separated from the transmission belt at the lower part of the movable seat, and meanwhile, the positioning wheel of the positioning component moves upwards to be embedded into the limiting groove so as to support the jig, so that the jig is kept in a state of being separated from the transmission belt, and the jig can be limited and fixed in the front-back direction so that the battery cell can be produced and processed at the station. In addition, the invention is provided with a blocking, positioning and opening and closing mechanism by matching with the jig, and comprises a blocking part, a positioning part and a jig opening and closing part, wherein the blocking part is used for blocking the jig and giving reverse impact force to the jig so as to facilitate upward lifting of the jig, and the positioning part is used for supporting the lifted jig upwards and limiting and fixing the lifted jig; the jig opening and closing component is used for opening the upper jacking opening and closing block when the discharge core is taken out, so that the jig is opened. In addition, the invention is originally designed with a three-wire guide rail structure, wherein the first transmission guide rail and the second transmission guide rail are jig production and processing line bodies, a plurality of stations are arranged at the side parts of the jig, the jig can be moved to each station on the first transmission guide rail and the second transmission guide rail for production and processing, the productivity of the two-wire processing structure is doubled compared with that of the traditional single-wire structure, a return guide rail is arranged between the two guide rails, a processed battery core is transferred to the return guide rail from the two guide rails through a wire changing mechanism arranged at two ends of the line body, the return guide rail returns to the front end of the line body, the battery core on the return guide rail is transferred to the first transmission guide rail and the second transmission guide rail through the wire changing mechanism at the front end of the line body, to achieve cyclic processing.

Drawings

Fig. 1 is a schematic perspective view of the present invention.

FIG. 2 is a schematic diagram of a second perspective structure of the present invention.

Fig. 3 is a schematic perspective view of a wire changing mechanism according to the present invention.

Fig. 4 is a schematic perspective view of a wire changing vehicle according to the present invention.

FIG. 5 is a schematic diagram of an assembly structure of the blocking, positioning and opening mechanism and the jig according to the present invention.

FIG. 6 is a diagram showing a second assembly structure of the blocking, positioning and opening/closing mechanism and the jig according to the present invention.

Fig. 7 is a schematic perspective view of the fixture of the present invention.

FIG. 8 is a second perspective view of the fixture of the present invention.

Fig. 9 is a schematic perspective view of the fixture of the present invention after hiding the mounting base.

FIG. 10 is a schematic flow chart of the process steps of the present invention.

Detailed Description

The invention will be further described with reference to the accompanying drawings in which:

As shown in fig. 1 to 9, the technical scheme adopted by the invention is as follows: the car-driven type battery cell processing and conveying line is arranged on a machine frame 1 and comprises a first conveying guide rail 2, a second conveying guide rail 3, a return guide rail 4, a line changing mechanism 6, a jig 7 and a blocking, positioning and opening and closing mechanism 8, wherein the first conveying guide rail 2 and the second conveying guide rail 3 are arranged on the machine frame 1 at intervals in parallel along the material conveying direction, two sides of the first conveying guide rail 2 and the second conveying guide rail 3 are respectively provided with two conveying belts which are arranged in parallel, and at least two stations are arranged on the outer sides of the conveying belts; the return guide rail 4 is arranged in parallel between the first conveying guide rail 2 and the second conveying guide rail 3; the blocking, positioning and opening and closing mechanisms 8 comprise at least two, and the blocking, positioning and opening and closing mechanisms 8 are arranged at the lower parts of the first transmission guide rail 2 and the second transmission guide rail 3 corresponding to each station; the jig 7 is slidably arranged on the first transmission guide rail 2 and the second transmission guide rail 3, and presses down the transmission belt, and when the transmission belt moves forwards, the jig 7 is driven to move forwards to a station along the first transmission guide rail 2 or the second transmission guide rail 3, the blocking, positioning and opening and closing mechanism 8 blocks the jig 7, and the jig 7 is lifted upwards, so that the jig 7 is separated from the transmission belt, and products on the jig 7 are processed and produced at the station; the wire changing mechanisms 6 include two wire changing mechanisms 6 are respectively arranged at two ends of the first transmission guide rail 2 and the second transmission guide rail 3, the two wire changing mechanisms 6, the first transmission guide rail 2, the second transmission guide rail 3 and the return guide rail 4 form a material flow circulation loop, the jig 7 drives products to finish processing production on the first transmission guide rail 2 and the second transmission guide rail 3, the jig 7 is moved to the return guide rail 4 by the wire changing mechanism 6 at one end and moves backwards to the wire changing mechanism 6 at the other end along the return guide rail 4, and the jig 7 is moved to the first transmission guide rail 2 and the second transmission guide rail 3 again by the wire changing mechanism 6 at the other end so as to perform circulation processing production;

The jig 7 comprises a saddle 71, a fixed frame 72, a movable frame 73 and an opening and closing block 75, wherein the saddle 71 is horizontally arranged, the fixed frame 72 is of a U-shaped structure, and the fixed frame 72 is arranged on the saddle 71; the movable frame 73 has a loop structure, the movable frame 73 is sleeved into the fixed frame 72 from the left side and the right side of the fixed frame 72, and can freely slide in the fixed frame 72 along the vertical direction, and the movable frame 73 and the fixed frame 72 are connected through a vertically arranged opening and closing spring 74; the opening and closing block 75 is connected to the bottom of the movable frame 73 and extends downward freely through the saddle 71, and when the materials are transported and processed, the movable frame 73 is pressed downward by the reverse thrust provided by the opening and closing spring 74, and the movable frame 73 clamps and fixes the battery cell 0 to be processed on the fixed frame 72; when the electric core 0 is taken out, the blocking positioning and opening and closing mechanism 8 pushes the opening and closing block 75 upwards, and the opening and closing block 75 drives the movable frame 73 to move upwards so as to loosen the electric core 0 or leave a space for loading the electric core 0.

Vertical grooves A are respectively formed on the left side and the right side of the fixed frame 72, and the two vertical grooves A respectively penetrate through the left side wall and the right side wall of the fixed frame 72; the lower transverse plate of the movable frame 73 is horizontally sleeved into the two vertical grooves A; the above-mentioned open-close spring 74 includes at least two, the open-close spring 74 is vertically connected between lower transverse plate of the movable frame 73 and upper transverse plate of the fixed frame 72, under the natural state, the open-close spring 74 provides the downward thrust to the movable frame 73, make the movable frame 73 move down along the vertical groove a, the upper transverse plate of the movable frame 73 and upper transverse plate of the fixed frame 72 clamp and fix the battery cell 0.

The jig 7 further comprises a fixed seat 76, a movable seat 77, a roller seat 78, a connecting block 79, a blocking spring 710, a roller 711, a limiting block 712 and a sliding block 713, wherein the fixed seat 76 is fixedly arranged at the lower part of the saddle 71, and the movable seat 77 is movably arranged below the fixed seat 76; the lower part of the fixed seat 76 and the upper part of the movable seat 77 are respectively provided with a U-shaped groove B, and the two U-shaped grooves B are in butt joint up and down; the two connection blocks 79 are respectively arranged at the front end and the rear end of the U-shaped groove B, and the upper end and the lower end of the two connection blocks 79 are respectively and rotatably connected to the inner walls of the U-shaped groove B of the fixed seat 76 and the movable seat 77; when the connection block 79 rotates, the movable seat 77 moves up and down in the vertical direction; both ends of the blocking spring 710 are respectively connected to the connecting block 79 at the front end and the fixing base 76.

The roller seat 78 is fixedly connected to the outer side wall of the movable seat 77, and the roller 711 is rotatably connected to the roller seat 78; the limiting block 712 is disposed at one side of the roller seat 78 and is fixedly connected with a side wall of the movable seat 77, and an upward concave limiting groove C is formed at the bottom of the limiting block 712; when the jig 7 moves to the station, the blocking, positioning and opening and closing mechanism 8 blocks the roller 711, and the blocking force of the blocking, positioning and opening and closing mechanism 8 to the roller 711 is transmitted to the movable seat 77, so that the connecting block 79 drives the movable seat 77 to rotate anticlockwise and lift upwards, and the bottom of the movable seat 77 is separated from the transmission belt which keeps moving on two sides of the first transmission guide rail 2 or the second transmission guide rail 3; and the blocking positioning and opening and closing mechanism 8 is clamped with the limit groove C of the limit block 712 upwards so as to support and limit the jig 7; the above-mentioned slider 713 is disposed at the bottom of the movable seat 77, and the slider 713 is disposed along the material conveying direction, and the slider 713 is slidably embedded on the first conveying rail 2, the second conveying rail 3, or the return rail 4, so that the jig 7 is slidably connected with the first conveying rail 2, the second conveying rail 3, or the return rail 4.

The wire changing mechanism 6 comprises a support plate 61, a slide rail 62, a wire changing motor 63, a wire changing screw rod 64, a wire changing sliding seat 65 and a wire changing trolley 66, wherein the support plate 61 is horizontally arranged on the frame 1 and is positioned at the outer ends of the first transmission guide rail 2, the second transmission guide rail 3 and the return guide rail 4; the two slide rails 62 are arranged on the support plate 61 at intervals in parallel along the direction perpendicular to the first conveying guide rail 2 and the second conveying guide rail 3; the two wire changing motors 63 are respectively arranged at one ends of the two slide rails 62, and the output end of each wire changing motor 63 is connected with a wire changing screw rod 64; the wire-changing slide seat 65 includes two wire-changing slide seats 65 slidably embedded on the two slide rails 62, and connected to the two wire-changing screw rods 64 through screw rod seats, and the wire-changing motor 63 drives the wire-changing slide seat 65 to linearly move back and forth along the slide rails 62 through the wire-changing screw rods 64 and the screw rod seats.

The wire changing carriage 66 comprises a vertical plate 661, a wire changing slide rail 662, a wire changing driving motor 663 and a wire changing driving wheel 664, wherein the vertical plate 661 is vertically arranged on the wire changing slide seat 65, the wire changing slide rail 662 is arranged on the vertical plate 661, and the arrangement direction of the wire changing slide rail 662 is the same as the direction of the first transmission guide rail 2 and the second transmission guide rail 3; the line changing driving motor 663 is arranged at one side of the vertical plate 661, and the output shaft of the line changing driving motor 663 passes through the vertical plate 661; the wire-changing driving wheels 664 comprise two wire-changing driving wheels 664 which are symmetrically arranged on two side walls of the vertical plate 661 respectively and are rotatably connected with the vertical plate 661, one side of the wire-changing driving wheels 664 is provided with at least two tensioning wheels, and the tensioning wheels and the wire-changing driving wheels 664 are sleeved with wire-changing transmission belts; when the line is replaced, the line replacing motor 63 drives the line replacing vehicle to move to the first transmission guide rail 2, the second transmission guide rail 3 or the return guide rail 4, so that the line replacing slide rail 662 is in butt joint with the first transmission guide rail 2, the second transmission guide rail 3 or the return guide rail 4, and the line replacing transmission belt is in butt joint with the transmission belt; the line changing driving motor 663 drives the line changing transmission belt to move so that the jig 7 on the line changing transmission belt moves into the first transmission guide rail 2, the second transmission guide rail 3 or the return guide rail 4; or the conveyor belt moves to move the jig 7 on the first conveying rail 2, the second conveying rail 3 or the return rail 4 onto the wire changing slide rail 662.

The blocking, positioning and opening and closing mechanism 8 comprises a blocking part, a positioning part and a jig opening and closing part, wherein the blocking part is arranged below the first transmission guide rail 2 or the second transmission guide rail 3 and extends upwards, and when the jig 7 is conveyed to a station, the blocking part extends upwards and blocks the roller 711 from the front side of the roller 711, so that the jig 7 moves upwards to be separated from the transmission belt; the positioning component is arranged on the side part of the blocking component, and after the jig 7 is lifted, the positioning component moves upwards to be mutually clamped with the limiting groove C of the limiting block 712, so that the jig 7 is kept in a state of being separated from the conveying belt, and the jig 7 is limited and fixed; the jig opening and closing component is arranged on the side part of the positioning component, when the battery cell 0 is fed and discharged, the jig opening and closing component moves upwards and pushes the opening and closing block 75 upwards, the opening and closing block 75 jacks up the movable frame 73 upwards, and the jig 7 is opened, so that the battery cell 0 is filled into or discharged from the jig 7.

The jig opening and closing component comprises an opening and closing seat 81, an opening and closing cylinder 82, an opening and closing sliding seat 83 and an opening and closing push rod 84, wherein the opening and closing seat 81 is connected to the frame 1, the opening and closing cylinder 82 is arranged at the lower part of the opening and closing seat 81, and the output end of the opening and closing cylinder is upwards arranged; the opening and closing sliding seat 83 is slidably connected to the side wall of the opening and closing seat 81 and is connected to the output end of the opening and closing cylinder 82, and the opening and closing cylinder 82 drives the opening and closing sliding seat 83 to move up and down; the opening and closing push rod 84 is vertically connected to the opening and closing slide 83, and moves up and down along with the opening and closing slide 83, so as to jack up the opening and closing block 75 upwards and open the jig 7.

The blocking component comprises a blocking support plate 812, a blocking cylinder 89, a blocking push rod 810 and a blocking block 811, wherein the blocking support plate 812 is vertically connected to the frame 1; the blocking cylinder 89 is connected to the lower part of the blocking support plate 812, and the output end is upward; the blocking push rod 810 has a U-shaped rod structure, the blocking push rod 810 is vertically connected to the blocking support plate 812, and the U-shaped rod body at the upper part thereof extends upwards to the conveyor belts at the two sides of the first conveyor rail 2 or the second conveyor rail 3 respectively; the blocking block 811 comprises two blocks, wherein the two blocking blocks 811 are connected to the U-shaped rod body at the upper part of the blocking push rod 810, and the top of the blocking block 811 is provided with an inclined surface which extends forwards and upwards in a gradual inclined manner; when the jig 7 moves to the station, the blocking cylinder 89 drives the blocking block 811 to move upwards, so that the inclined surface of the blocking block contacts the roller 711 of the jig 7, the roller 711 is blocked, and the movable seat 77 of the jig 7 is separated from the conveying belt upwards; the positioning component comprises a positioning support plate 85, a positioning cylinder 86, a positioning sliding seat 87 and a positioning wheel 88, wherein the positioning support plate 85 is vertically connected to the frame 1, the positioning cylinder 86 is arranged on one side wall of the positioning support plate 85, and the output end of the positioning cylinder 86 is upwards arranged; the positioning sliding seat 87 is slidably disposed on the other side wall of the positioning support plate 85 and connected to the output end of the positioning cylinder 86; the positioning wheel 88 is rotatably connected to the upper end of the positioning slide 87; after the blocking block 811 blocks the roller 711 and lifts the jig 7 upward, the positioning cylinder 86 drives the positioning wheel 88 to move upward, and is embedded into the limiting groove C, so as to support the jig 7 upward and limit and fix the jig 7 forward and backward.

As shown in fig. 10, a conveying process of a cart-driven type cell processing conveying line comprises the following process steps:

Furthermore, the invention designs the jig for clamping the battery cells in an up-down pressing mode, double-line processing production of the battery cells can be simultaneously carried out through the structure layout of the three guide rails, material returning is completed through the return guide rails, cyclic processing of the battery cells is realized while the productivity is effectively improved, positioning of the jig is completed through a passive lifting and supporting positioning mode after blocking, and the positioning efficiency is effectively improved. The invention designs a jig for clamping and fixing the battery cell according to the structural characteristics of the battery cell and the production and processing requirements, and takes the jig as a battery cell transfer carrier to transfer the battery cell to each processing station of a production line; the fixture mainly comprises two parts, wherein the upper part of the fixture is a clamping part and comprises a fixing frame with a U-shaped structure, a movable frame with a back-shaped structure, an opening and closing spring and an opening and closing block, wherein vertical grooves are formed in the left side and the right side of the fixing frame, and the movable frame is sleeved into the fixing frame through the vertical grooves and freely slides along the vertical grooves; the opening and closing spring is vertically connected between the lower transverse plate of the movable frame and the upper transverse plate of the fixed frame, the opening and closing block is connected to the bottom of the lower transverse plate of the movable frame, and the pressure of the opening and closing spring downwards pushes the movable frame under the natural state so that the movable frame presses the piezoelectric core; when the battery core is clamped by adopting the structure, and the battery core pressing clamp is arranged between the movable frame and the transverse plate of the fixed frame, two sides of the battery core pressing clamp horizontally extend to the outer side of the transverse plate, compared with the traditional mounting groove structure, the battery core pressing clamp is extremely convenient for a manipulator to take the battery core; when the discharging core is taken, the opening and closing block is pushed up by the jig opening and closing component, the opening and closing block drives the movable frame to move upwards, the battery core can be loosened or the battery core installation space is reserved, and the battery core is taken and placed conveniently and rapidly, so that the efficiency is high. In addition, the lower part of the fixture is a matched positioning part, the structure of the part realizes passive lifting after the fixture moves to a station and is blocked by a blocking positioning and opening and closing mechanism, so that the fixture is integrally separated from a transmission belt and is supported and positioned by a positioning part so as to enable a battery cell to be processed and produced at the station, the structure part comprises a fixed seat, a movable seat, a connecting block, a blocking spring, a roller and a limiting block, U-shaped grooves are respectively formed on the fixed seat and the movable seat, the movable seat is rotatably connected to the fixed seat through the connecting block in the U-shaped grooves, the elastic force of the blocking spring drives the movable seat to rotate clockwise under the natural state, so that the movable seat is downward far away from the fixed seat, when the blocking component blocks the roller, the reverse impact force of the blocking component to the roller enables the movable seat to rotate anticlockwise, the movable seat is lifted upwards to be separated from the transmission belt at the lower part of the movable seat, and meanwhile, the positioning wheel of the positioning component moves upwards to be embedded into the limiting groove so as to support the jig, so that the jig is kept in a state of being separated from the transmission belt, and the jig can be limited and fixed in the front-back direction so that the battery cell can be produced and processed at the station. In addition, the invention is provided with a blocking, positioning and opening and closing mechanism by matching with the jig, and comprises a blocking part, a positioning part and a jig opening and closing part, wherein the blocking part is used for blocking the jig and giving reverse impact force to the jig so as to facilitate upward lifting of the jig, and the positioning part is used for supporting the lifted jig upwards and limiting and fixing the lifted jig; the jig opening and closing component is used for opening the upper jacking opening and closing block when the discharge core is taken out, so that the jig is opened. In addition, the invention is originally designed with a three-wire guide rail structure, wherein the first transmission guide rail and the second transmission guide rail are jig production and processing line bodies, a plurality of stations are arranged at the side parts of the jig, the jig can be moved to each station on the first transmission guide rail and the second transmission guide rail for production and processing, the productivity of the two-wire processing structure is doubled compared with that of the traditional single-wire structure, a return guide rail is arranged between the two guide rails, a processed battery core is transferred to the return guide rail from the two guide rails through a wire changing mechanism arranged at two ends of the line body, the return guide rail returns to the front end of the line body, the battery core on the return guide rail is transferred to the first transmission guide rail and the second transmission guide rail through the wire changing mechanism at the front end of the line body, to achieve cyclic processing.

The examples of the present invention are presented only to describe specific embodiments thereof and are not intended to limit the scope of the invention. Certain modifications may be made by those skilled in the art in light of the teachings of this embodiment, and all equivalent changes and modifications that come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein.

Claims

1. The utility model provides a car transmission type electricity core processing transmission line, sets up on frame (1), its characterized in that: the device comprises a first transmission guide rail (2), a second transmission guide rail (3), a return guide rail (4), a wire changing mechanism (6), a jig (7) and a blocking, positioning and opening and closing mechanism (8), wherein the first transmission guide rail (2) and the second transmission guide rail (3) are arranged on a frame (1) at intervals in parallel along the material conveying direction, two sides of the first transmission guide rail (2) and the second transmission guide rail (3) are respectively provided with two transmission belts which are arranged in parallel, and at least two stations are arranged on the outer sides of the transmission belts; the feed back guide rail (4) is arranged in parallel between the first transmission guide rail (2) and the second transmission guide rail (3); the blocking, positioning and opening and closing mechanisms (8) comprise at least two, and the blocking, positioning and opening and closing mechanisms (8) are arranged at the lower parts of the first transmission guide rail (2) and the second transmission guide rail (3) corresponding to each station; the jig (7) is slidably arranged on the first transmission guide rail (2) and the second transmission guide rail (3), the transmission belt is pressed down, the jig (7) is driven to move forwards to a station along the first transmission guide rail (2) or the second transmission guide rail (3) when the transmission belt moves forwards, the positioning and opening and closing mechanism (8) blocks the jig (7), and the jig (7) is lifted upwards, so that the jig (7) is separated from the transmission belt, and products on the jig (7) are processed and produced at the station; the wire changing mechanisms (6) comprise two wire changing mechanisms (6) which are respectively arranged at two ends of the first transmission guide rail (2) and the second transmission guide rail (3), the two wire changing mechanisms (6), the first transmission guide rail (2), the second transmission guide rail (3) and the return guide rail (4) form a material flow circulation loop, the jig (7) drives products to finish processing production on the first transmission guide rail (2) and the second transmission guide rail (3), the jig (7) is transferred onto the return guide rail (4) by the wire changing mechanism (6) at one end, and is moved backwards to the wire changing mechanism (6) at the other end along the return guide rail (4), and the jig (7) is transferred onto the first transmission guide rail (2) and the second transmission guide rail (3) again by the wire changing mechanism (6) at the other end so as to perform circulation processing production;

The jig (7) comprises a saddle (71), a fixed frame (72), a movable frame (73) and an opening and closing block (75), wherein the saddle (71) is horizontally arranged, the fixed frame (72) is of a U-shaped structure, and the fixed frame (72) is arranged on the saddle (71); the movable frame (73) is of a return structure, the movable frame (73) is sleeved into the fixed frame (72) from the left side and the right side of the fixed frame (72), and can freely slide in the fixed frame (72) along the vertical direction, and the movable frame (73) and the fixed frame (72) are connected through a vertically arranged opening and closing spring (74); the opening and closing block (75) is connected to the bottom of the movable frame (73) and freely extends downwards through the saddle (71), and when materials are transported and processed, the movable frame (73) is pressed downwards by the reverse thrust provided by the opening and closing spring (74), and the movable frame (73) clamps and fixes the battery cell (0) to be processed on the fixed frame (72); when the discharging core (0) is taken out, the blocking positioning and opening and closing mechanism (8) pushes the opening and closing block (75) upwards, and the opening and closing block (75) drives the movable frame (73) to move upwards so as to loosen the battery core (0) or leave a space for loading the battery core (0);

the jig (7) further comprises a fixed seat (76), a movable seat (77), a roller seat (78), a connecting block (79), a blocking spring (710), a roller (711), a limiting block (712) and a sliding block (713), wherein the fixed seat (76) is fixedly arranged at the lower part of the saddle (71), and the movable seat (77) is movably arranged below the fixed seat (76); the lower part of the fixed seat (76) and the upper part of the movable seat (77) are respectively provided with a U-shaped groove (B), and the two U-shaped grooves (B) are in butt joint up and down; the connecting blocks (79) comprise two connecting blocks, the two connecting blocks (79) are respectively arranged at the front end and the rear end of the U-shaped groove (B), and the upper end and the lower end of the two connecting blocks (79) are respectively and rotatably connected to the inner walls of the U-shaped groove (B) of the fixed seat (76) and the movable seat (77); when the connecting block (79) rotates, the movable seat (77) moves up and down in the vertical direction; both ends of the blocking spring (710) are respectively connected to the connecting block (79) at the front end and the fixing seat (76).

2. The cart-driven cell processing conveyor line according to claim 1, wherein: the left side and the right side of the fixing frame (72) are respectively provided with a vertical groove (A), and the two vertical grooves (A) respectively penetrate through the left side wall and the right side wall of the fixing frame (72); the lower transverse plate of the movable frame (73) is horizontally sleeved into the two vertical grooves (A); the opening and closing springs (74) comprise at least two opening and closing springs (74), the opening and closing springs (74) are vertically connected between the lower transverse plate of the movable frame (73) and the upper transverse plate of the fixed frame (72), and in a natural state, the opening and closing springs (74) provide downward thrust for the movable frame (73) to enable the movable frame (73) to move downwards along the vertical groove (A), and the upper transverse plate of the movable frame (73) and the upper transverse plate of the fixed frame (72) clamp and fix the battery cell (0).

3. A cart-driven cell processing conveyor line according to claim 2, characterized in that: the roller seat (78) is fixedly connected to the outer side wall of the movable seat (77), and the roller (711) is rotatably connected to the roller seat (78); the limiting block (712) is arranged on one side of the roller seat (78) and is fixedly connected with the side wall of the movable seat (77), and an upward concave limiting groove (C) is formed in the bottom of the limiting block (712); when the jig (7) moves to the station, the blocking, positioning and opening and closing mechanism (8) blocks the roller (711), blocking force of the blocking, positioning and opening and closing mechanism (8) to the roller (711) is transmitted to the movable seat (77), so that the connecting block (79) drives the movable seat (77) to rotate anticlockwise and lift upwards, and the bottom of the movable seat (77) is separated from the transmission belt which keeps moving at two sides of the first transmission guide rail (2) or the second transmission guide rail (3); and the blocking positioning and opening and closing mechanism (8) is clamped with the limit groove (C) of the limit block (712) upwards so as to support and limit the jig (7); the sliding block (713) is arranged at the bottom of the movable seat (77), the sliding block (713) is arranged along the material conveying direction, and the sliding block (713) is slidably embedded on the first conveying guide rail (2), the second conveying guide rail (3) or the return guide rail (4) so that the jig (7) is slidably connected with the first conveying guide rail (2), the second conveying guide rail (3) or the return guide rail (4).

4. A cart-driven cell processing conveyor line according to claim 3, characterized in that: the wire changing mechanism (6) comprises a support plate (61), a sliding rail (62), a wire changing motor (63), a wire changing screw rod (64), a wire changing sliding seat (65) and a wire changing vehicle (66), wherein the support plate (61) is horizontally arranged on the frame (1) and is positioned at the outer ends of the first transmission guide rail (2), the second transmission guide rail (3) and the return guide rail (4); the two sliding rails (62) are arranged on the support plate (61) at intervals in parallel along the direction perpendicular to the first transmission guide rail (2) and the second transmission guide rail (3); the two wire changing motors (63) are respectively arranged at one ends of the two sliding rails (62), and the output end of each wire changing motor (63) is connected with a wire changing screw rod (64); the wire changing slide seat (65) comprises two wire changing slide seats (65) which are respectively embedded on the two slide rails (62) in a sliding manner, and are respectively connected with the two wire changing screw rods (64) through screw rod seats, and the wire changing motor (63) drives the wire changing slide seat (65) to move linearly back and forth along the slide rails (62) through the wire changing screw rods (64) and the screw rod seats.

5. The cart-driven cell processing conveyor line of claim 4, wherein: the wire changing vehicle (66) comprises a vertical plate (661), a wire changing sliding rail (662), a wire changing driving motor (663) and a wire changing driving wheel (664), wherein the vertical plate (661) is vertically arranged on the wire changing sliding seat (65), the wire changing sliding rail (662) is arranged on the vertical plate (661), and the arrangement direction of the wire changing sliding rail (662) is the same as the direction of the first transmission guide rail (2) and the second transmission guide rail (3); the line changing driving motor (663) is arranged at one side of the vertical plate (661), and an output shaft of the line changing driving motor (663) penetrates through the vertical plate (661); the wire-changing driving wheels (664) comprise two wire-changing driving wheels (664) which are symmetrically arranged on two side walls of the vertical plate (661) respectively and are rotatably connected with the vertical plate (661), one side of each wire-changing driving wheel (664) is provided with at least two tensioning wheels, and the tensioning wheels and the wire-changing driving wheels (664) are sleeved with wire-changing transmission belts; when the wire is replaced, the wire replacing motor (63) drives the wire replacing vehicle to move to the first transmission guide rail (2), the second transmission guide rail (3) or the return guide rail (4), so that the wire replacing slide rail (662) is in butt joint with the first transmission guide rail (2), the second transmission guide rail (3) or the return guide rail (4), and the wire replacing transmission belt is in butt joint with the transmission belt; the line changing driving motor (663) drives the line changing transmission belt to move so that a jig (7) on the line changing transmission belt moves into the first transmission guide rail (2), the second transmission guide rail (3) or the return guide rail (4); or the conveyor belt moves to enable the jig (7) on the first conveying guide rail (2), the second conveying guide rail (3) or the return guide rail (4) to move to the line changing slide rail (662).

6. The cart-driven cell processing conveyor line of claim 5, wherein: the blocking, positioning and opening and closing mechanism (8) comprises a blocking part, a positioning part and a jig opening and closing part, wherein the blocking part is arranged below the first conveying guide rail (2) or the second conveying guide rail (3) and extends upwards, and when the jig (7) is conveyed to a station, the blocking part extends upwards and blocks the roller (711) from the front side of the roller (711) so that the jig (7) moves upwards to be separated from the conveying belt; the positioning component is arranged on the side part of the blocking component, and after the jig (7) is lifted, the positioning component moves upwards to be mutually clamped with the limiting groove (C) of the limiting block (712), so that the jig (7) is kept in a state of being separated from the conveying belt, and the jig (7) is limited and fixed; the jig opening and closing component is arranged on the side part of the positioning component, when the battery cell (0) is fed and discharged, the jig opening and closing component moves upwards and pushes the opening and closing block (75) upwards, the opening and closing block (75) jacks up the movable frame (73) upwards, and the jig (7) is opened, so that the battery cell (0) is filled or discharged in the jig (7).

7. The cart-driven cell processing conveyor line of claim 6, wherein: the jig opening and closing component comprises an opening and closing seat (81), an opening and closing cylinder (82), an opening and closing sliding seat (83) and an opening and closing push rod (84), wherein the opening and closing seat (81) is connected to the frame (1), the opening and closing cylinder (82) is arranged at the lower part of the opening and closing seat (81), and the output end of the opening and closing cylinder is upwards arranged; the opening and closing sliding seat (83) is slidably connected to the side wall of the opening and closing seat (81) and is connected with the output end of the opening and closing cylinder (82), and the opening and closing cylinder (82) drives the opening and closing sliding seat (83) to move up and down; the opening and closing push rod (84) is vertically connected to the opening and closing sliding seat (83) and moves up and down along with the opening and closing sliding seat (83) so as to jack up the opening and closing block (75) upwards and open the jig (7).

8. The cart-driven cell processing conveyor line of claim 7, wherein: the blocking component comprises a blocking support plate (812), a blocking cylinder (89), a blocking push rod (810) and a blocking block (811), wherein the blocking support plate (812) is vertically connected to the frame (1); the blocking cylinder (89) is connected to the lower part of the blocking support plate (812), and the output end of the blocking cylinder is upwards arranged; the blocking push rod (810) is of a U-shaped rod structure, the blocking push rod (810) is vertically connected to the blocking support plate (812), and the U-shaped rod body at the upper part of the blocking push rod extends upwards to the conveying belts at the two sides of the first conveying guide rail (2) or the second conveying guide rail (3) respectively; the blocking block (811) comprises two blocks, the two blocking blocks (811) are connected to the U-shaped rod body at the upper part of the blocking push rod (810), and the top of the blocking block (811) is provided with an inclined surface which extends forwards and gradually upwards in an inclined manner; when the jig (7) moves to the station, the blocking cylinder (89) drives the blocking block (811) to move upwards, so that the inclined surface of the blocking block contacts with the roller (711) of the jig (7), the roller (711) is blocked, and the movable seat (77) of the jig (7) is separated from the conveying belt upwards; the positioning component comprises a positioning support plate (85), a positioning cylinder (86), a positioning sliding seat (87) and a positioning wheel (88), wherein the positioning support plate (85) is vertically connected to the frame (1), the positioning cylinder (86) is arranged on one side wall of the positioning support plate (85), and the output end of the positioning cylinder is upwards arranged; the positioning sliding seat (87) is slidably arranged on the other side wall of the positioning support plate (85) and is connected with the output end of the positioning cylinder (86); the positioning wheel (88) is rotatably connected to the upper end of the positioning slide seat (87); after the blocking block (811) blocks the roller (711) and lifts the jig (7) upwards, the positioning cylinder (86) drives the positioning wheel (88) to move upwards and is embedded into the limiting groove (C) so as to support the jig (7) upwards and enable the jig (7) to be limited and fixed forwards and backwards.

9. A transfer process of a cart-driven cell processing transfer line according to claim 1, comprising the following process steps: