CN109107817B

CN109107817B - Bolt lubricating oil smearing device based on magnetic adsorption

Info

Publication number: CN109107817B
Application number: CN201811265341.6A
Authority: CN
Inventors: 方标; 许萌; 柯军梁
Original assignee: Shangyu Research Institute of ZJUT
Current assignee: Shangyu Research Institute of ZJUT
Priority date: 2018-10-29
Filing date: 2018-10-29
Publication date: 2020-08-07
Anticipated expiration: 2038-10-29
Also published as: CN109107817A

Abstract

The invention relates to the technical field of bolt installation, and discloses a bolt lubricating oil smearing device based on magnetic adsorption, which comprises a bottom plate, wherein electric push rods are fixedly installed on two sides of the top of the bottom plate, a workbench is fixedly installed on the top of each electric push rod, penetrating fixing grooves are formed in the circumference of the top of each workbench at equal intervals, the fixing grooves are hexagonal in shape, a plastic plate is fixedly installed at the bottom inside each fixing groove, the thickness of the plastic plate is 0.5cm, and magnetic adsorption mechanisms are fixedly installed on the circumference of the bottom of each workbench at equal intervals. The magnetic adsorption mechanism fixes the head of the bolt, so that the stability of bolt fixation is ensured, the condition that the bolt is easy to roll and is unevenly coated is avoided, the fluid coating mechanism is matched with the second brush to circumferentially coat lubricating oil on the outer surface of the screw rod of the bolt, and meanwhile, the electric push rod continuously moves up and down to drive the bolt to move up and down, so that the coating is more uniform, and the coating efficiency is improved.

Description

Bolt lubricating oil smearing device based on magnetic adsorption

Technical Field

The invention relates to the technical field of bolt installation, in particular to a bolt lubricating oil smearing device based on magnetic adsorption.

Background

The lubricating oil is used on various types of automobiles and mechanical equipment to reduce friction and protect the liquid or semisolid lubricating oil of machinery and a machined part, and mainly plays roles of lubricating, auxiliary cooling, rust prevention, cleaning, sealing, buffering and the like.

Disclosure of Invention

Technical problem to be solved

Aiming at the defects of the prior art, the invention provides a bolt lubricating oil smearing device based on magnetic adsorption, which has the advantages of stable fixation and uniform smearing, and solves the problem that the bolt is cylindrical in shape and is easy to drive to roll when lubricating oil is smeared, so that the smearing is not uniform.

(II) technical scheme

In order to achieve the purpose, the invention is realized by the following technical scheme: the utility model provides a device is paintd to bolt lubricating oil based on magnetic force is adsorbed, comprising a base plate, the equal fixed mounting in both sides at bottom plate top has electric putter, electric putter's top fixed mounting has the workstation, the fixed slot that runs through is seted up to the top circumference equidistance of workstation, and the shape of fixed slot is the hexagon, the inside bottom fixed mounting of fixed slot has the plastic slab, and the plastic slab thickness is 0.5cm, the bottom circumference equidistance fixed mounting of workstation has magnetic force adsorption apparatus to construct, and magnetic force adsorption apparatus constructs and is located the fixed slot under.

The middle part fixed mounting at bottom plate top has driving motor, driving motor's output shaft has the axis of rotation through shaft coupling fixed mounting, the top of axis of rotation runs through and extends to the top of workstation, the top fixed mounting of axis of rotation has fluid extrusion mechanism, the both sides of fluid extrusion mechanism all are provided with the fluid and paint the mechanism, the draw-in groove has been seted up in the outside at workstation top, the protection casing has been placed at the top of workstation, the bottom joint of protection casing is in the inside of draw-in groove, the middle part welding at protection casing top has the drawing piece.

Further, magnetic force adsorption device is including the insulating tube, the top fixed mounting of insulating tube is in the bottom of workstation, and the top of insulating tube and the bottom intercommunication of fixed slot, the inner diapire fixed mounting of insulating tube has the electro-magnet, the equal fixed mounting in both sides at insulating tube middle part has the slide rail, the inside sliding connection of slide rail has the slider, two fixed mounting has the fixed plate between the slider, the fixed pole setting of pegging graft in middle part of fixed plate, the bottom fixed mounting of pole setting has first permanent magnet, the magnetism of first permanent magnet is opposite with the magnetism of electro-magnet circular telegram output, the top fixed mounting of pole setting has the second permanent magnet.

Further, fluid extrusion mechanism is including the regulating tube, the middle part fixed mounting of regulating tube bottom is at the top of axis of rotation, the equal sliding connection in both sides at regulating tube inner wall middle part has the mounting panel, two the equal welding in middle part at the mounting panel back has the regulation pole, the one end that the mounting panel was kept away from to the regulation pole runs through and extends to the inside that the mechanism was paintd to the fluid, the one end fixed mounting that the mounting panel was kept away from to the regulation pole has the stripper plate, two the equal fixed mounting in upper and lower both ends at the mounting panel back has the extension spring, the one end fixed mounting that the mounting panel was kept away from to the extension spring in one side of regulating tube inner wall, a straight line groove that runs through, two have been seted up at the middle part at regulating tube top the equal fixed mounting in top.

Further, fluid daubs mechanism is including placing the pipe, place one side fixed mounting of pipe in the side of regulating pipe, the one end that the mounting panel was kept away from to the regulation pole runs through the regulating pipe and extends to the inside of placing the pipe, the surface of stripper plate and the inner wall sliding connection who places the pipe, the fixed intercommunication in one side of placing the pipe top has the liquid feeding pipe, the inside of placing the pipe is provided with the sponge, the one end fixed mounting who keeps away from the regulating pipe of placing the pipe has first limiting plate, the through-hole that runs through has been seted up to the side equidistance array of first limiting plate, one side fixed mounting that the pipe was kept away from to first limiting plate has first brush.

Furthermore, a packing sealing ring is arranged at the joint between the adjusting rod and the placing pipe.

Furthermore, a U-shaped rod is fixedly installed at the top of the first limiting plate, the opening of the U-shaped rod is downward, a second limiting plate is fixedly installed at one end, far away from the first limiting plate, of the U-shaped rod, and a second hairbrush is fixedly installed on the inner side of the second limiting plate.

Furthermore, an extension tube is fixedly installed on the outer side between the workbench and the bottom plate, and the electric push rod and the driving motor are both located inside the extension tube.

Furthermore, reinforcing rods are fixedly mounted on two sides of the driving motor, and the bottom of each reinforcing rod is fixedly mounted at the top of the bottom plate.

Furthermore, the outer side of the top of the workbench is fixedly provided with a blocking ring, and the blocking ring is located on the inner side of the clamping groove.

(III) advantageous effects

The invention provides a bolt lubricating oil smearing device based on magnetic adsorption, which has the following beneficial effects:

1. this device is paintd to bolt lubricating oil based on magnetic force is adsorbed, be particularly useful for carrying out even lubricating oil of paining to the screw rod surface of bolt, insert the inside to the fixed slot with the head of bolt, magnetic force adsorption apparatus constructs the head of bolt and fixes, bolt fastening's stability has been guaranteed, avoided the bolt to roll easily, lead to paining inhomogeneous condition, fluid extrusion mechanism paints the inside lubricating oil of mechanism with the fluid and extrudes, driving motor work operation drives fluid extrusion mechanism and fluid and paints the mechanism rotation, fluid paints the mechanism and coordinates the second brush and carries out the lubricating oil of paining of circumference to the screw rod surface of bolt, the continuous upper and lower removal of electric putter simultaneously, drive the removal from top to bottom of bolt, make more even of paining, the efficiency of paining has been improved.

2. This device is paintd to bolt lubricating oil based on magnetic force is adsorbed, through the setting of magnetic force adsorption mechanism, when inserting the head of bolt to the fixed slot, the permanent magnet has extremely strong adsorption affinity to iron, cobalt, nickel, because the material of bolt is iron, the second permanent magnet can the rebound and the bottom contact of plastic slab, the adsorption affinity that the second permanent magnet produced can be with the inside of fixing at the fixed slot firmly of bolt, bolt fastening's stability has been guaranteed, avoided the cylindric structure of bolt to roll easily, lead to paining the inhomogeneous condition.

3. This device is paintd to bolt lubricating oil based on magnetic force is adsorbed, through the setting of electro-magnet, paint the completion back at lubricating oil, the electro-magnet of diapire simultaneously circular telegram in a plurality of insulating tubes, because produced magnetism is opposite with the magnetism of first permanent magnet when the electro-magnet circular telegram, according to the principle that like poles repel each other unlike poles attract of magnet for first permanent magnet removes downwards, with electro-magnet inter attraction, drive the bolt separation and the downstream at second permanent magnet and plastic slab top through the stand, thereby conveniently take off the bolt from the inside of fixed slot.

4. This device is paintd to bolt lubricating oil based on magnetic force adsorbs uses through the cooperation of slide rail, slider and fixed plate, when the second permanent magnet reciprocates, drives the slider of fixed plate both sides and at the slip about the inner wall of slide rail, and then has guaranteed that the second permanent magnet can vertically reciprocate, prevents that the position from taking place the skew, has guaranteed the stability when reciprocating simultaneously.

5. This device is paintd to bolt lubricating oil based on magnetic force adsorbs, through the setting of fluid extrusion mechanism, unclamps two pull rods, and the pulling force of extension spring makes the mounting panel move to the outside, makes the stripper plate move to the outside through adjusting the pole, exerts certain extrusion force to fluid application mechanism, conveniently will place the slow extrusion of intraduct lubricating oil.

6. This device is paintd to bolt lubricating oil based on magnetic force adsorbs, through the setting of fluid smearing mechanism for two pull rods are close to each other and are located the middle part of regulating tube, from the liquid feeding pipe to the inside injection lubricating oil of placing the pipe, and lubricating oil is adsorbed by the sponge, when the stripper plate moves to the outside, can be with on the sponge adsorbed lubricating oil from first limiting plate on the through-hole slow extrude to first brush on, lubricating oil is paintd to the screw rod of bolt to the convenience.

7. This device is paintd to bolt lubricating oil based on magnetic adsorption, through the setting of packing sealing washer, the packing sealing washer sets up in adjusting the pole and places the junction between the pipe, and the packing sealing washer mainly used machine and equipment moving part's movive seal, and the packing sealing washer has certain elasticity, can produce certain radial force under the packing force effect and make the regulation pole closely contact with placing the pipe, has avoided placing intraductal lubricating oil's revealing, and sealed effectual.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic structural view of a magnetic adsorption mechanism according to the present invention;

FIG. 3 is a schematic view of the fluid pressing mechanism of the present invention;

FIG. 4 is a schematic view of the fluid application mechanism of the present invention;

FIG. 5 is a side view of a first restrictor plate structure of the present invention;

FIG. 6 is a top view of the table structure of the present invention.

In the figure: 1 bottom plate, 2 electric push rods, 3 working tables, 4 extension tubes, 5 fixing grooves, 6 plastic plates, 7 magnetic adsorption mechanisms, 701 insulating tubes, 702 electromagnets, 703 sliding rails, 704 sliding blocks, 705 fixing plates, 706 vertical rods, 707 first permanent magnets, 708 second permanent magnets, 8 driving motors, 9 reinforcing rods, 10 rotating shafts, 11 fluid extrusion mechanisms, 1101 adjusting tubes, 1102 mounting plates, 1103 adjusting rods, 1104 extrusion plates, 1105 tension springs, 1106 straight grooves, 1107 pull rods, 12 fluid smearing mechanisms, 1201 placing tubes, 1202 feeding tubes, 1203 sponges, 1204 first limiting plates, 1205 first brushes, 1206 through holes, 13U-shaped rods, 14 second limiting plates, 15 second brushes, 16 clamping grooves, 17 protective covers and 18 pull blocks.

Detailed Description

In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the invention easy to understand, the invention is further described with the specific embodiments.

Referring to fig. 1-6, a bolt lubricating oil smearing device based on magnetic adsorption comprises a bottom plate 1, electric push rods 2 are fixedly installed on both sides of the top of the bottom plate 1, a workbench 3 is fixedly installed on the top of the electric push rods 2, a telescopic tube 4 is fixedly installed on the outer side between the workbench 3 and the bottom plate 1, the electric push rods 2 and a driving motor 8 are both located inside the telescopic tube 4, fixing grooves 5 penetrating through the top circumference of the workbench 3 are equidistantly formed, the fixing grooves 5 are hexagonal in shape, a plastic plate 6 is fixedly installed at the bottom inside the fixing grooves 5, the thickness of the plastic plate 6 is 0.5cm, magnetic adsorption mechanisms 7 are fixedly installed on the bottom circumference of the workbench 3 at equal intervals, the magnetic adsorption mechanisms 7 comprise an insulating tube 701, the top of the insulating tube 701 is fixedly installed at the bottom of the workbench 3, and the top of the insulating tube 701 is communicated with the bottom of the fixing, the inner bottom wall of the insulating tube 701 is fixedly provided with an electromagnet 702, after the lubricating oil is coated, the electromagnets 702 on the inner bottom walls of the insulating tubes 701 are simultaneously electrified, because the magnetism generated when the electromagnets 702 are electrified is opposite to that of the first permanent magnets 707, the first permanent magnets 707 move downwards according to the principle that like poles repel and opposite poles attract each other, and attract the electromagnets 702, the vertical columns 706 drive the second permanent magnets 708 to be separated from bolts on the top of the plastic plate 6 and move downwards, so that the bolts are conveniently taken down from the inside of the fixing grooves 5, the two sides of the middle part of the insulating tube 701 are fixedly provided with slide rails 703, the slide rails 703 are slidably connected with slide blocks 704 inside the slide rails 703, the slide blocks 704 are matched with the fixing plate 705, and when the second permanent magnets 708 move up and down, the slide blocks 704 on the two sides of the fixing plate 705 are driven to slide up and down on the inner walls of the slide, and further ensuring that the second permanent magnet 708 can vertically move up and down, preventing position deviation and ensuring stability during up and down movement, wherein a fixed plate 705 is fixedly arranged between the two sliding blocks 704, a vertical rod 706 is fixedly inserted in the middle of the fixed plate 705, a first permanent magnet 707 is fixedly arranged at the bottom of the vertical rod 706, the magnetism of the first permanent magnet 707 is opposite to that generated by electrifying the electromagnet 702, a second permanent magnet 708 is fixedly arranged at the top of the vertical rod 706, a magnetic adsorption mechanism 7 is positioned under the fixed groove 5, when the head of the bolt is inserted into the fixed groove 5 through the arrangement of the magnetic adsorption mechanism 7, the permanent magnet has extremely strong adsorption force on iron, cobalt and nickel, because the bolt is made of iron, the second permanent magnet 708 can move upwards to be in contact with the bottom of the plastic plate 6, and the adsorption force generated by the second permanent magnet 708 can firmly fix the bolt in the fixed groove 5, the stability of bolt fastening is guaranteed, and the phenomenon that the cylindrical structure of the bolt is easy to roll and the painting is uneven is avoided.

A driving motor 8 is fixedly installed in the middle of the top of the bottom plate 1, reinforcing rods 9 are fixedly installed on both sides of the driving motor 8, the bottom of each reinforcing rod 9 is fixedly installed on the top of the bottom plate 1, an output shaft of the driving motor 8 is fixedly installed with a rotating shaft 10 through a coupler, the top of each rotating shaft 10 penetrates through and extends to the top of the workbench 3, a fluid extrusion mechanism 11 is fixedly installed on the top of each rotating shaft 10, the fluid extrusion mechanism 11 comprises an adjusting pipe 1101, the middle of the bottom of each adjusting pipe 1101 is fixedly installed on the top of each rotating shaft 10, mounting plates 1102 are slidably connected to both sides of the middle of the inner wall of each adjusting pipe 1101, adjusting rods 1103 are welded to the middle of the opposite sides of the two mounting plates 1102, one ends, far away from the mounting plates 1102, of the adjusting rods 1103 penetrate through and extend to the inside of the fluid smearing mechanism 12, extrusion plates 1104 are, one end fixed mounting that mounting panel 1102 was kept away from to extension spring 1105 is in one side of adjusting pipe 1101 inner wall, a straight groove 1106 that runs through is seted up at the middle part at adjusting pipe 1101 top, the equal fixed mounting in top of two mounting panels 1102 has pull rod 1107, and the top of pull rod 1107 passes a straight groove 1106 and extends to the top of adjusting pipe 1101, setting through fluid extrusion mechanism 11, loosen two pull rod 1107, the pulling force of extension spring 1105 makes mounting panel 1102 move to the outside, make extrusion plate 1104 move to the outside through adjusting pole 1103, apply certain extrusion force to fluid daubing mechanism 12, the convenience will be placed the slow extrusion of the inside lubricating oil of pipe 1201.

The fluid smearing mechanism 12 is arranged on two sides of the fluid squeezing mechanism 11, the fluid smearing mechanism 12 comprises a placing pipe 1201, one side of the placing pipe 1201 is fixedly installed on the side face of the adjusting pipe 1101, one end, far away from the installation plate 1102, of the adjusting rod 1103 penetrates through the adjusting pipe 1101 and extends into the placing pipe 1201, a packing sealing ring is arranged at the joint between the adjusting rod 1103 and the placing pipe 1201 and is mainly used for dynamic sealing of moving parts of machines and equipment, the packing sealing ring has certain elasticity and can generate certain radial force under the action of pressing force to enable the adjusting rod 1103 to be tightly contacted with the placing pipe 1201, leakage of lubricating oil in the placing pipe 1201 is avoided, the sealing effect is good, the outer surface of the squeezing plate 1104 is in sliding connection with the inner wall of the placing pipe 1201, a liquid adding pipe 1202 is fixedly communicated with one side of the top of the placing pipe 1201, a sponge 1203 is arranged in the placing pipe 1201, and a first limiting plate 1204 is fixedly installed at one, through-holes 1206 penetrating are formed in the side surface of the first limiting plate 1204 in an equidistant array mode, a first brush 1205 is fixedly installed on one side of the first limiting plate 1204 far away from the placing pipe 1201, the fluid smearing mechanism 12 is arranged, two pull rods 1107 are close to each other and are located in the middle of the adjusting pipe 1101, lubricating oil is injected into the inside of the placing pipe 1201 from the liquid adding pipe 1202 and is adsorbed by the sponge 1203, when the squeezing plate 1104 moves outwards, the lubricating oil adsorbed on the sponge 1103 can be slowly extruded out of the through-holes 1206 on the first limiting plate 1204 to the first brush 1205, and lubricating oil can be conveniently smeared on a screw of a bolt.

A U-shaped rod 13 is fixedly arranged at the top of the first limiting plate 1204, the opening of the U-shaped rod 13 is downward, a second limiting plate 14 is fixedly arranged at one end of the U-shaped rod 13 far away from the first limiting plate 1204, and a second brush 15 is fixedly arranged at the inner side of the second limiting plate 14

The outer side of the top of the workbench 3 is provided with a clamping groove 16, the outer side of the top of the workbench 3 is fixedly provided with a blocking ring, the blocking ring is positioned on the inner side of the clamping groove 16, the top of the workbench 3 is provided with a protective cover 17, the bottom of the protective cover 17 is clamped in the clamping groove 16, the middle of the top of the protective cover 17 is welded with a pull block 18, the bolt lubricating oil smearing device based on magnetic adsorption is particularly suitable for evenly smearing lubricating oil on the outer surface of a screw rod of a bolt, the head of the bolt is inserted into the fixing groove 5, the head of the bolt is fixed by the magnetic adsorption mechanism 7, the stability of bolt fixing is ensured, the condition that the bolt is easy to roll and is unevenly smeared is avoided, the lubricating oil in the fluid smearing mechanism 12 is extruded by the fluid extrusion mechanism 11, and the fluid extrusion mechanism 11 and the fluid, the fluid smearing mechanism 12 is matched with the second brush 15 to smear lubricating oil on the outer surface of the screw rod of the bolt circumferentially, and meanwhile, the electric push rod 2 moves up and down continuously to drive the bolt to move up and down, so that smearing is more uniform, and smearing efficiency is improved.

The working principle is as follows: when the device is used, the head of the bolt is inserted into the fixing groove 5, because the bolt is made of iron, the second permanent magnet 708 moves upwards to contact with the bottom of the plastic plate 6, the adsorption force generated by the second permanent magnet 708 can firmly fix the bolt inside the fixing groove 5, so that the two pull rods 1107 are close to each other and are positioned in the middle of the adjusting pipe 1101, lubricating oil is injected into the placing pipe 1201 from the liquid feeding pipe 1202, the lubricating oil is adsorbed by the sponge 1203, the two pull rods 1107 are released, the mounting plate 1102 moves outwards due to the tension of the tension spring 1105, the extrusion plate 1104 moves outwards through the adjusting rod 1103, the lubricating oil adsorbed on the sponge 1103 can be slowly extruded to the first brush 1205 from the through hole 1206 on the first limiting plate 1204, the protective cover 17 is placed in the clamping groove 16 on the top of the bottom plate 1, the driving motor 8 operates to drive the fluid extrusion mechanism 11 and the fluid smearing mechanism 12 to rotate, first brush 1205 cooperates second brush 15 to carry out the lubricating oil of smearing of circumference to the screw rod surface of bolt, the continuous upper and lower removal of electric putter 2 simultaneously, drive the removal from top to bottom of bolt, make more even of smearing, after lubricating oil is paintd and is accomplished, take off protection casing 17 from the top of bottom plate 1, the electro-magnet 702 to diapire in a plurality of insulating tubes 701 simultaneously circular telegrams, because produced magnetism when electro-magnet 702 circular telegram is opposite with first permanent magnet 707's magnetism, according to the principle that like poles repel each other opposite poles attract of magnet, make first permanent magnet 707 remove downwards, mutually attract with electro-magnet 702, drive the bolt separation and the downward movement at second permanent magnet 708 and plastic slab 6 top through stand 706, take off the bolt from the inside of fixed slot 5, the lubricating oil of screw rod surface scribbles the process on the complete bolt.

The control mode of the invention is automatically controlled by the controller, the control circuit of the controller can be realized by simple programming of a person skilled in the art, the supply of the power supply also belongs to the common knowledge in the field, and the invention is mainly used for protecting mechanical devices, so the control mode and the circuit connection are not explained in detail in the invention.

While there have been shown and described what are at present considered the fundamental principles and essential features of the invention and its advantages, it will be apparent to those skilled in the art that the invention is not limited to the details of the foregoing exemplary embodiments, but is capable of other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. The utility model provides a device is paintd to bolt lubricating oil based on magnetic force adsorbs, includes bottom plate (1), its characterized in that: electric push rods (2) are fixedly mounted on two sides of the top of the bottom plate (1), a workbench (3) is fixedly mounted on the top of each electric push rod (2), penetrating fixing grooves (5) are formed in the top circumference of each workbench (3) at equal intervals, the fixing grooves (5) are hexagonal in shape, plastic plates (6) are fixedly mounted at the bottoms of the inner parts of the fixing grooves (5), the thickness of each plastic plate (6) is 0.5cm, magnetic adsorption mechanisms (7) are fixedly mounted on the bottom circumference of each workbench (3) at equal intervals, and the magnetic adsorption mechanisms (7) are located right below the fixing grooves (5);

a driving motor (8) is fixedly installed in the middle of the top of the bottom plate (1), an output shaft of the driving motor (8) is fixedly installed with a rotating shaft (10) through a coupler, the top of the rotating shaft (10) penetrates through and extends to the top of the workbench (3), a fluid extrusion mechanism (11) is fixedly installed at the top of the rotating shaft (10), fluid smearing mechanisms (12) are arranged on two sides of the fluid extrusion mechanism (11), a clamping groove (16) is formed in the outer side of the top of the workbench (3), a protective cover (17) is placed at the top of the workbench (3), the bottom of the protective cover (17) is clamped inside the clamping groove (16), and a pulling block (18) is welded in the middle of the top of the protective cover (17);

the magnetic adsorption mechanism (7) comprises an insulating pipe (701), the top of the insulating pipe (701) is fixedly arranged at the bottom of the workbench (3), the top of the insulating tube (701) is communicated with the bottom of the fixing groove (5), an electromagnet (702) is fixedly arranged on the inner bottom wall of the insulating tube (701), sliding rails (703) are fixedly arranged on both sides of the middle part of the insulating tube (701), sliding blocks (704) are connected inside the sliding rails (703) in a sliding manner, a fixing plate (705) is fixedly arranged between the two sliding blocks (704), a vertical rod (706) is fixedly inserted in the middle of the fixing plate (705), a first permanent magnet (707) is fixedly installed at the bottom of the vertical rod (706), the magnetism of the first permanent magnet (707) is opposite to the magnetism generated by electrifying the electromagnet (702), a second permanent magnet (708) is fixedly arranged at the top of the vertical rod (706);

the fluid extrusion mechanism (11) comprises an adjusting pipe (1101), the middle part of the bottom of the adjusting pipe (1101) is fixedly arranged at the top of a rotating shaft (10), the two sides of the middle part of the inner wall of the adjusting pipe (1101) are all slidably connected with mounting plates (1102), two adjusting rods (1103) are welded at the middle parts of the back sides of the mounting plates (1102), one ends, far away from the mounting plates (1102), of the adjusting rods (1103) penetrate through and extend to the inside of the fluid smearing mechanism (12), one ends, far away from the mounting plates (1102), of the adjusting rods (1103) are fixedly arranged with extrusion plates (1104), two upper and lower ends of the back sides of the mounting plates (1102) are fixedly arranged with tension springs (1105), one ends, far away from the mounting plates (1102), of the tension springs (1105) are fixedly arranged on one side of the inner wall of the adjusting pipe (1101), a straight groove (1106), the top parts of the two mounting plates (1102) are fixedly provided with pull rods (1107), and the top parts of the pull rods (1107) penetrate through the straight groove (1106) and extend to the top part of the adjusting pipe (1101);

the fluid smearing mechanism (12) comprises a placing pipe (1201), one side of the placing pipe (1201) is fixedly arranged on the side surface of the adjusting pipe (1101), one end of the adjusting rod (1103) far away from the mounting plate (1102) penetrates through the adjusting pipe (1101) and extends to the interior of the placing pipe (1201), the outer surface of the extrusion plate (1104) is connected with the inner wall of the placing pipe (1201) in a sliding way, a liquid adding pipe (1202) is fixedly communicated with one side of the top of the placing pipe (1201), a sponge (1203) is arranged inside the placing tube (1201), a first limiting plate (1204) is fixedly arranged at one end of the placing tube (1201) far away from the adjusting tube (1101), the side surface of the first limiting plate (1204) is provided with through holes (1206) in an equidistant array, a first brush (1205) is fixedly arranged on one side of the first limiting plate (1204) far away from the placing pipe (1201).

2. The bolt lubricating oil smearing device based on magnetic adsorption is characterized in that: and a packing sealing ring is arranged at the joint between the adjusting rod (1103) and the placing pipe (1201).

3. The bolt lubricating oil smearing device based on magnetic adsorption is characterized in that: the top of the first limiting plate (1204) is fixedly provided with a U-shaped rod (13), the opening of the U-shaped rod (13) faces downwards, one end, far away from the first limiting plate (1204), of the U-shaped rod (13) is fixedly provided with a second limiting plate (14), and the inner side of the second limiting plate (14) is fixedly provided with a second hairbrush (15).

4. The bolt lubricating oil smearing device based on magnetic adsorption is characterized in that: the outer side between the workbench (3) and the bottom plate (1) is fixedly provided with a telescopic pipe (4), and the electric push rod (2) and the driving motor (8) are both positioned in the telescopic pipe (4).

5. The bolt lubricating oil smearing device based on magnetic adsorption is characterized in that: reinforcing rods (9) are fixedly mounted on two sides of the driving motor (8), and the bottom of each reinforcing rod (9) is fixedly mounted at the top of the corresponding bottom plate (1).

6. The bolt lubricating oil smearing device based on magnetic adsorption is characterized in that: the outer side of the top of the workbench (3) is fixedly provided with a blocking ring, and the blocking ring is positioned on the inner side of the clamping groove (16).