CN219820603U - Bottom die opening and closing linkage structure of bottle blowing machine - Google Patents

Abstract

The utility model provides a bottom die opening and closing die linkage structure of a bottle blowing machine, which comprises a bottom plate, a bottom die, a left die and a right die, wherein the left die and the right die are arranged on linear guide rails on the front side and the rear side through first sliding blocks; the bottom surface of the bottom die is connected with a lifting rod, the crank arm drives the lifting rod to lift up and down through a mechanical linkage mechanism, and the crank shaft controls the left die to lift up and down through the crank arm to match with the opening and closing motion of the left die while controlling the opening and closing of the left die through the driving swing arm. The utility model realizes the linkage opening and closing die arrangement of the bottom die and the left die, and has low cost, accurate control and good linkage.

Description

Bottom die opening and closing linkage structure of bottle blowing machine

Technical Field

The utility model relates to the field of bottle blowing machines, in particular to a bottom die opening and closing die linkage structure of a bottle blowing machine.

Background

In recent years, the beverage industry of China has rapidly developed, and the rapid development of beverage machines is driven, so that a bottle blowing machine is a common machine for producing beverage bottles in a beverage machine factory. The bottle blowing machine is one bottle blowing machine and mainly includes one bottle blank feeding mechanism, one bottle blank conveying mechanism, one heating mechanism, one bottle blank separating mechanism, one bottle blank taking mechanism, one bottle blank feeding mechanism, one bottle blowing mold, one bottle taking mechanism, etc. and has complicated integral pipeline structure and perfect functions.

The blowing mold generally comprises a left mold, a right mold and a bottom mold, wherein the left mold, the right mold and the bottom mold are opened and closed by independent driving mechanisms, one of the left mold and the right mold is used as a fixed mold, the other is used as a movable mold for driving, and the bottom mold is provided with independent driving mechanisms for realizing lifting motion. In order to ensure the linkage accuracy of the opening and closing mold in the whole linkage process, a servo motor is generally adopted for controlling and driving, the structure is complex, and the cost is high.

Disclosure of Invention

Aiming at the problems, the utility model aims to provide a bottom die opening and closing die linkage structure of a bottle blowing machine, which can realize the linkage arrangement of a bottom die and a left die by replacing a servo motor transmission mechanism with a mechanical linkage mechanism, and has the advantages of low cost, accurate control and good linkage.

The technical scheme of the utility model is that the die opening and closing linkage structure of the bottom die of the bottle blowing machine comprises a bottom plate, wherein the bottom die is arranged in the middle of the bottom plate, a left die and a right die are respectively arranged at the left side and the right side of the bottom plate, the left die and the right die are arranged on linear guide rails at the front side and the rear side through first sliding blocks, the left die comprises a fixed seat connected with the top surface at the left side of the bottom plate, the fixed seat is connected with the left die through a swing arm group, a driving swing arm is connected below the swing arm group, the driving swing arm penetrates through a clearance hole in the bottom plate and is then connected with a crankshaft below, the front end and the rear end of the crankshaft are fixed on a connecting plate through bearings, the connecting plate is fixedly connected with the bottom of the bottom plate, one end of the crankshaft is driven by a servo motor, and a crank arm is connected with the crankshaft; the bottom surface of the bottom die is connected with a lifting rod, the crank arm drives the lifting rod to move up and down through a mechanical linkage mechanism, the servo motor rotates to drive the crankshaft to rotate, the driving swing arm drives the swing arm group to move to pull the left die outwards to open the die, and the crank arm pulls the lifting rod through the mechanical linkage mechanism to drive the bottom die to withdraw downwards.

Preferably, the lifting rod penetrates through the mounting hole of the bottom plate and then is connected with a lifting frame, the front end and the rear end of the lifting frame extend out of the idler wheels, the lower surface of the middle part of the bottom plate is connected with a fixing frame, the front side and the rear side of the fixing frame are connected with sliding rails through second sliding blocks, the bottom surface of each sliding rail is connected with a movable plate, a connecting rod is connected between the front movable plate and the rear movable plate, the other end of each crank arm is hinged to the connecting rod, the movable plates are provided with strip-shaped holes along the left-right direction, the front idler wheels and the rear idler wheels are located in the front strip-shaped holes and the rear strip-shaped holes, and the left end of each strip-shaped hole is higher than the right end of each strip-shaped hole; the servo motor rotates to drive the crankshaft to rotate, the driving swing arm drives the swing arm group to move to pull the left die outwards to open the die, and the crank arm pulls the movable plate to slide leftwards to drive the bottom die to withdraw downwards through the relative movement of the strip-shaped holes and the idler wheels.

Preferably, the swing arm group includes the first swing arm of articulated on the fixing base, articulates the second swing arm on left side mould, first swing arm and second swing arm divide into upper and lower two sets of, and the quantity of every first swing arm of group is four, and the quantity of every second swing arm of group is two, and above this first swing arm of group and second swing arm are articulated on same articulated shaft, and below this first swing arm of group and second swing arm are articulated on another articulated shaft, articulate between these two articulated shafts about have vertical swing arm, initiative swing arm articulates below this articulated shaft.

Preferably, the strip-shaped hole on the movable plate comprises a first transverse section on the left side, an inclined section in the middle and a second transverse section on the right side, the height of the first transverse section is higher than that of the second transverse section, the height difference between the first transverse section and the second transverse section corresponds to the stroke of the bottom die in an up-and-down motion mode, and the joint of the inclined section and the first transverse section and the second transverse section is in gentle arc transition.

Preferably, the right die is provided with an independent driving die opening mechanism.

According to the utility model, the original servo motor transmission mechanism is replaced by a mechanical linkage mechanism below the bottom die, so that the bottom die and the left die are in linkage die opening and closing arrangement, the cost is low, the control is accurate, and the linkage property is good.

Drawings

FIG. 1 is a schematic view of the structure of the present utility model in the open state;

FIG. 2 is a schematic view of the structure of FIG. 1 from another perspective;

FIG. 3 is a schematic view of the structure of the present utility model in a closed state;

FIG. 4 is a schematic view of the structure of FIG. 3 from another perspective;

FIG. 5 is a schematic view of the connection structure of the left mold and the bottom mold in the present utility model;

FIG. 6 is a schematic view of the structure of FIG. 5 with parts removed;

wherein: 1-a bottom plate; 2-a bottom die; 3-left die; 4-right mould; 5-a first slider; 6-a linear guide rail; 7-a fixing seat; 8-a swing arm group; 81—a first swing arm; 82-a second swing arm; 83—a vertical swing arm; 9-active swing arms; 10-a crankshaft; 11-connecting plates; 12-a servo motor; 13-crank arm; 14-lifting rod; 15, lifting frames; 16-a roller; 17-a fixing frame; 18-a second slider; 19-a slide rail; 20-a movable plate; 21-a connecting rod; 22-bar-shaped holes; 221-a first transverse section; 222—an oblique section; 223-second transverse segment.

Description of the embodiments

The present utility model will be described in further detail with reference to the accompanying drawings.

As shown in fig. 1 to 6, the utility model provides a die opening and closing linkage structure of a bottle blowing machine, which comprises a bottom plate 1, wherein the middle part of the bottom plate 1 is provided with a bottom plate 2, the left side and the right side of the bottom plate 2 are respectively provided with a left die 3 and a right die 4, the left die 3 and the right die 4 are arranged on linear guide rails 6 on the front side and the rear side through first sliding blocks 5, the left die 3 comprises a fixed seat 7 connected with the top surface of the left side of the bottom plate 1, the fixed seat 7 is connected with the left die 3 through a swing arm group 8, the lower part of the swing arm group 8 is connected with a driving swing arm 9, the driving swing arm 9 passes through a clearance hole on the bottom plate 1 and is then connected with a crankshaft 10 below, the front end and the rear end of the crankshaft 10 are fixed on a connecting plate 11 through bearings, the connecting plate 11 is fixedly connected with the bottom of the bottom plate 1, one end of the crankshaft 10 is driven by a servo motor 12, and the crankshaft 10 is connected with a crank arm 13; the bottom die 2 is characterized in that the bottom surface of the bottom die 2 is connected with a lifting rod 14, the lifting rod 14 penetrates through a mounting hole of the bottom plate 1 and then is connected with a lifting frame 15, rollers 16 extend out of the front end and the rear end of the lifting frame 15, the lower surface of the middle part of the bottom plate 1 is connected with a fixed frame 17, the front side and the rear side of the fixed frame 17 are connected with sliding rails 19 through second sliding blocks 18, the bottom surface of the sliding rails 19 is connected with a movable plate 20, a connecting rod 21 is connected between the front movable plate 20 and the rear movable plate 20, the other end of the crank arm 13 is hinged to the connecting rod 21, the movable plate 20 is provided with a strip-shaped hole 22 along the left-right direction, the front roller 16 and the rear roller 16 are positioned in the front strip-shaped hole 22, and the left end of the strip-shaped hole 22 is higher than the right end; the servo motor 12 rotates to drive the crankshaft 10 to rotate, the driving swing arm 9 drives the swing arm group 8 to move to pull the left die 3 outwards to open the die, and the crank arm 13 pulls the movable plate 20 to slide leftwards to drive the bottom die 2 to withdraw downwards through the relative movement of the strip-shaped holes 22 and the rollers 16.

On the basis of the scheme, the swing arm group 8 comprises a first swing arm 81 hinged on the fixed seat 7, a second swing arm 82 hinged on the left die 3, the first swing arm 81 and the second swing arm 82 are divided into an upper group and a lower group, the number of each group of the first swing arms 81 is four, the number of each group of the second swing arms 82 is two, the upper group of the first swing arms 81 and the second swing arms 82 are hinged on the same hinge shaft, the lower group of the first swing arms 81 and the second swing arms 82 are hinged on the other hinge shaft, a vertical swing arm 83 is hinged between the upper hinge shaft and the lower hinge shaft, and the driving swing arm 9 is hinged on the lower hinge shaft.

Specifically, the strip-shaped hole 22 on the movable plate 20 includes a first lateral section 221 on the left side, an oblique section 222 in the middle, and a second lateral section 223 on the right side, where the height of the first lateral section 221 is higher than that of the second lateral section 223, and the height difference between the two lateral sections corresponds to the stroke of the bottom die 2 moving up and down, and the intersection of the oblique section 222 with the first lateral section 221 and the second lateral section 223 has a gentle arc transition.

In addition, the right die 4 is provided with an independent driving die opening mechanism.

According to the utility model, the left die 3 and the bottom die 2 are arranged in a linkage way through the mechanical linkage mechanism, and the die opening and closing linkage process of the left die 3 and the bottom die 2 can be realized by using the same servo motor 12, so that the synchronism is good, the accuracy is high, and the cost is low. When the servo motor 12 is started, in the first half cycle rotation stroke of the crankshaft 10, the driving swing arm 9 drives the swing arm group 8 to move so as to pull the left die 3 outwards for die opening, the crank arm 13 pulls the movable plate 20 to slide leftwards and drive the bottom die 2 to withdraw downwards through the relative movement of the strip-shaped holes 22 and the rollers 16, and the linkage die opening action of the left die 3 and the bottom die 2 is realized. Then in the rotation stroke of the second half of the crankshaft 10, the driving swing arm 9 drives the swing arm group 8 to move so as to pull the left die 3 inwards to carry out die assembly, the crank arm 13 pulls the movable plate 20 to slide rightwards and drives the bottom die 2 to push out upwards through the relative movement of the strip-shaped holes 22 and the rollers 16, and the linkage die assembly action of the left die 3 and the bottom die 2 is realized. Thus, one mold opening and closing action of the left mold 3 and the bottom mold 2 is realized through one complete rotation of the crankshaft 10.

The foregoing description is only a preferred embodiment of the present utility model, and is not intended to limit the utility model in any way, but any simple modification, equivalent variation or modification made to the above embodiments according to the technical principles of the present utility model still falls within the scope of the technical solutions of the present utility model.

Claims (5)

1. The utility model provides a die block linkage structure is opened to bottle blowing machine die block, includes bottom plate (1), bottom plate (1) middle part is provided with die block (2), die block (2) left and right sides is provided with left mould (3) and right mould (4) respectively, and left mould (3) and right mould (4) are installed on linear guide (6) of both sides around through first slider (5), its characterized in that: the left die (3) comprises a fixed seat (7) connected to the top surface of the left side of the bottom plate (1), the fixed seat (7) is connected with the left die (3) through a swing arm group (8), an active swing arm (9) is connected below the swing arm group (8), the active swing arm (9) penetrates through a clearance hole on the bottom plate (1) and then is connected to a crankshaft (10) below, the front end and the rear end of the crankshaft (10) are fixed on a connecting plate (11) through bearings, the connecting plate (11) is fixedly connected to the bottom of the bottom plate (1), one end of the crankshaft (10) is driven by a servo motor (12), and a crank arm (13) is connected to the crankshaft (10); the bottom surface of the bottom die (2) is connected with a lifting rod (14), the crank arm (13) drives the lifting rod (14) to move up and down through a mechanical linkage mechanism, the servo motor (12) rotates to drive the crankshaft (10) to rotate, the driving swing arm (9) drives the swing arm group (8) to move so as to pull the left die (3) outwards to open the die, and the crank arm (13) pulls the lifting rod (14) to drive the bottom die (2) to withdraw downwards through the mechanical linkage mechanism.

2. The bottle blowing machine die opening and closing linkage structure according to claim 1, wherein: the lifting rod (14) penetrates through a mounting hole of the bottom plate (1) and then is connected with a lifting frame (15), two ends of the lifting frame (15) extend out of idler wheels (16), the lower surface of the middle of the bottom plate (1) is connected with a fixing frame (17), two sides of the fixing frame (17) are connected with sliding rails (19) through second sliding blocks (18), the bottom surface of each sliding rail (19) is connected with a movable plate (20), a connecting rod (21) is connected between the two movable plates (20), the other end of each crank arm (13) is hinged to the corresponding connecting rod (21), each movable plate (20) is provided with a strip-shaped hole (22) along the left-right direction, the front idler wheels (16) and the rear idler wheels (22) are located in the front strip-shaped hole and the rear strip-shaped hole (22), and the left end of each strip-shaped hole (22) is higher than the right end of each other; the servo motor (12) rotates to drive the crankshaft (10) to rotate, the driving swing arm (9) drives the swing arm group (8) to move to pull the left die (3) outwards to open the die, and the crank arm (13) pulls the movable plate (20) to slide leftwards to pass through the relative movement of the strip-shaped hole (22) and the roller (16) to drive the bottom die (2) to withdraw downwards.

3. The bottle blowing machine die opening and closing linkage structure according to claim 1, wherein: the swing arm group (8) includes first swing arm (81) of articulated on fixing base (7), articulates second swing arm (82) on left side mould (3), first swing arm (81) and second swing arm (82) divide into upper and lower two sets of, and the quantity of every first swing arm (81) of group is four, and the quantity of every second swing arm (82) of group is two, and above this first swing arm (81) of group and second swing arm (82) articulate on same articulated shaft, below this first swing arm (81) of group and second swing arm (82) articulate on another articulated shaft, articulates between these two articulated shafts from top to bottom has vertical swing arm (83), initiative swing arm (9) articulate below this articulated shaft.

4. The bottle blowing machine die opening and closing linkage structure according to claim 1, wherein: the strip-shaped hole (22) on the movable plate (20) comprises a first transverse section (221) on the left side, an inclined section (222) in the middle and a second transverse section (223) on the right side, wherein the height of the first transverse section (221) is higher than that of the second transverse section (223) and the height difference of the first transverse section and the second transverse section is corresponding to the stroke of the bottom die (2) in up-down motion, and the junction of the inclined section (222) and the first transverse section (221) and the second transverse section (223) is in gentle arc transition.

5. The bottle blowing machine die opening and closing linkage structure according to claim 1, wherein: the right die (4) is provided with an independent driving die opening mechanism.