CN209830816U

CN209830816U - Top cover press-fitting device

Info

Publication number: CN209830816U
Application number: CN201920481569.2U
Authority: CN
Inventors: 不公告发明人
Original assignee: Wuxi Lead Intelligent Equipment Co Ltd
Current assignee: Wuxi Lead Intelligent Equipment Co Ltd
Priority date: 2019-04-10
Filing date: 2019-04-10
Publication date: 2019-12-24
Anticipated expiration: 2029-04-10

Abstract

The utility model discloses a top cap pressure equipment device, it includes elevating system, positioning mechanism and pressure equipment power unit. The lifting mechanism comprises a support used for bearing a shell pre-installed with a battery cell and a lifting driving piece used for driving the support to lift; the positioning mechanism comprises at least one guide block, the guide block comprises a vertical part and a protruding part protruding relative to the vertical part, and the lifting driving piece drives the shell to ascend and is abutted against the protruding part through the vertical part to the upper surface of the shell; the press-fitting power mechanism comprises a push plate and a press-fitting driving piece, the press-fitting driving piece is used for driving the push plate to move, the top cover of the battery cell is pressed in the shell, and the upper surface of the top cover of the battery cell is flush with the upper surface of the shell, so that accurate press fitting is realized.

Description

Top cover press-fitting device

Technical Field

The utility model belongs to the technical field of battery production equipment, especially, relate to a top cap pressure equipment device.

Background

In the production assembling process of the lithium battery used by the electric automobile, the wrapped bare battery core is required to be installed into the battery shell, the battery core top cover is pressed into the shell to enable the top cover top to be parallel and level with the shell top and complete the welding, the top cover is in interference fit with the shell, and the parallel and level degree of the top cover and the shell assembly cannot be guaranteed in the assembling process at present, so that the accurate pressing is not realized.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a can realize top cap pressure equipment device of accurate pressure equipment.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

a top cap press fitting device, comprising:

the lifting mechanism comprises a support and a lifting driving piece, wherein the support is used for bearing a shell in which a battery cell is preinstalled, and the lifting driving piece is used for driving the support to lift;

the positioning mechanism comprises at least one guide block, the guide block comprises a vertical part and a protruding part protruding relative to the vertical part, and the lifting driving piece drives the shell to ascend and is abutted against the protruding part through the vertical part to the upper surface of the shell;

and the press-fitting power mechanism comprises a push plate and a press-fitting driving piece, wherein the press-fitting driving piece is used for driving the push plate to move, the top cover of the battery cell is pressed in the shell, and the upper surface of the top cover of the battery cell is flush with the upper surface of the shell.

As the utility model discloses further modified technical scheme, elevating system still includes the mounting panel, the support set up in the upside of mounting panel, the mounting panel set firmly in the output of lift drive component.

As the utility model discloses further modified technical scheme, install stop gear on the mounting panel, stop gear includes splint, spacing driving piece and stopper, spacing driving piece drive splint centre gripping casing just makes the stopper card is gone into the clearance between top cap and the casing.

As the utility model discloses further modified technical scheme, the cylinder of spacing driving piece for having two outputs, the cylinder motion makes splint press from both sides tightly or lax the centre gripping to the casing.

As the utility model discloses further modified technical scheme, top cap pressure equipment device still includes conveying mechanism, conveying mechanism includes frame and backup pad, the lift driving piece install in the backup pad, backup pad slidable mounting in the frame drives the horizontal back-and-forth movement of casing.

As the utility model discloses further modified technical scheme, the guide block is provided with the breach, the guide block in breach department is provided with the guide part vertical portion with the protruding portion, the guide part set up in the entrance of breach.

As a further improved technical scheme of the utility model, positioning mechanism is including relative two that sets up the guide block, positioning mechanism still includes the guide block support, the guide block support is fixed with and drives two the guide block is close to each other or the gas claw of keeping away from each other.

As a further improved technical scheme of the utility model, the push pedal downside is provided with when the pressure equipment with top cap matched with concave part, the both sides of push pedal are provided with the lug of pressing in the casing upper surface when the pressure equipment.

As the further improved technical proposal of the utility model, the press-fitting driving piece comprises a servo motor and a pressure sensor; or the press-fitting driving piece is an air cylinder.

As the utility model discloses further modified technical scheme, top cap pressure equipment device still draws casing mechanism including relative two that set up, draw casing mechanism to include the sucking disc and draw casing cylinder, draw casing cylinder to drive the sucking disc adsorbs the casing surface and outwards draws.

Compared with the prior art, the utility model discloses a top cap pressure equipment device's beneficial effect lies in:

(1) the accurate press fitting is realized by conveying through the lifting mechanism, guiding through the guide part of the guide block, limiting through the protruding part and press fitting through the press fitting driving piece to drive the push plate.

(2) Through servo motor and pressure sensor, the process of pushing down of control push pedal realizes accurate pressure equipment.

(3) Through pulling the casing mechanism, two sucking discs suck the outer surfaces of the two sides of the casing and pull towards the outer side through pulling the casing cylinder, so that the press fitting is convenient.

Drawings

Fig. 1 is a schematic structural diagram of the top cap press-fitting device of the present invention.

Fig. 2 is a schematic structural diagram of the guide block of the top cap press-fitting device of the present invention.

Fig. 3 is a schematic structural diagram of the positioning mechanism and the shell pulling mechanism of the top cap press-fitting device of the present invention.

Fig. 4 is a schematic view of a part of the structure of the press-fitting power mechanism of the top cap press-fitting device of the present invention.

Fig. 5 is a schematic structural diagram of a push plate of the top cap press-fitting device of the present invention.

Fig. 6 is a schematic structural view of a battery to be press-fitted.

Detailed Description

Referring to fig. 1 to 6, the present invention discloses a top cap press-fitting device for press-fitting a battery B to be press-fitted. The battery B to be pressed comprises a shell B1 with an upper opening and a battery cell preassembled in the shell B1, wherein the battery cell is provided with a top cover B2. The top cover press-fitting device comprises a lifting mechanism 130, a press-fitting power mechanism 200 and a positioning mechanism 300. The lifting mechanism 130 conveys the battery B to be pressed to the position right below the pressing power mechanism 200, the positioning mechanism 300 is used for guiding and limiting the battery B to be pressed, the pressing power mechanism 200 moves downwards to enable the top cover B2 to integrally enter the upper opening of the shell B1, and the upper surface of the top cover B2 of the battery core is flush with the upper surface of the shell B1, so that the pressing of the battery is completed. The level here may be such that the upper surface of the top cover B2 and the upper surface of the housing B1 are at the same level, or may be a certain level of error.

Specifically, referring to fig. 1, the top cover press-fitting device further includes a conveying mechanism 100, and the conveying mechanism 100 includes a frame 110 and a support plate 120 slidably mounted on the frame 100. The rack 110 is provided with a linear rail 111, and the support plate 120 is provided with a slider 121 in sliding fit with the linear rail 111.

The lifting mechanism 130 conveys the battery B to be press-fitted in the vertical direction, and the lifting mechanism 130 includes a lifting driving member 131, a mounting plate 132, a guide rod 133 and a support 134. The lifting driving member 131 is mounted on the supporting plate 120, and the supporting plate 120 is slidably mounted on the frame 110 and drives the casing B1 to move horizontally back and forth. Preferably, the lifting driving member 131 is a cylinder. The mounting plate 132 is fixedly arranged at the output end of the lifting driving member 131, and the lifting driving member 131 can drive the mounting plate 132 to move up and down in the vertical direction. The guide rods 133 are fixedly arranged on the lower side of the mounting plate 132, and the two guide rods 133 penetrate through the support plate 120 and are respectively arranged on two sides of the cylinder. The support 134 is disposed on the upper side of the mounting plate 132, and the support 134 is recessed with a groove (not shown) for carrying and positioning the battery B to be press-fitted.

The mounting plate 132 is provided with a limiting mechanism 140. The limiting mechanism 140 includes a limiting driving member 141, a clamping plate 142 and a limiting block 143. The support 134 is erected on the mounting plate 132, and the limit driving member 141 is mounted on the mounting plate 132 and located between the mounting plate 132 and the support 134. Output ends are respectively arranged at the left end and the right end (the left side facing to the figure 1 is the left side, and the right side is the right side) of the limiting driving part 141, each output end is fixedly provided with one clamping plate 142, and the two clamping plates 142 are respectively clamped at the left side and the right side of the battery B to be pressed. Preferably, the limit driving member 141 is a cylinder having two output ends, and the cylinder moves to clamp the clamping plate 142 on two sides of the casing B1. The top end of the clamping plate 142 is fixedly provided with the limiting block 143, the limiting driving piece 141 drives the clamping plate 142 to clamp the shell B1 and enable the limiting block 143 to be clamped in a gap between the top cover B2 and the shell B1, and the lower surface of the top cover B2 is supported on the upper surface of the limiting block 143.

Referring to fig. 1 to 3 and 6, the positioning mechanism 300 includes a guide block holder 310 and a guide block 320. The guide block holder 310 is fixed with a pneumatic claw 311, which has two moving ends at the front and back (back and forth in the direction perpendicular to the paper surface in fig. 1), and each moving end is fixed with one guide block 320. When the air claw 311 acts, the two guide blocks 320 can be driven to approach or move away from each other. The guide block 320 is provided with a notch 321 for guiding the case B1 and the top cover B2, and the guide block 320 is provided with a guide portion 322, a vertical portion 323, and a protrusion 324 at the notch 321. The guide portion 322 is disposed at an entrance of the notch 321 for guiding the housing B1 and the top cover B2 to enter the guide block 320. The protrusion 324 protrudes in a step shape with respect to the vertical part 323, and the protrusion 324 abuts against the upper surface of the housing B1 to position the housing B1. When the lifting driving member 131 drives the mounting plate 132 to ascend and drives the battery B to be press-mounted to ascend, the housing B1 and the top cover B2 pass through the notches 321 on the front guide block 320 and the rear guide block 320, the guide portion 322 guides the housing B1 and the top cover B2, and the housing B1 abuts against the protruding portion 324 through the vertical portion 323 to the upper surface of the housing B1. The press-fitting power mechanism 200 performs press-fitting, so that the whole top cover B2 enters the upper opening of the shell B1, and the upper surface of the top cover B2 is flush with the upper surface of the shell B1, thereby completing the press-fitting of the battery.

Referring to fig. 1, 4 to 6, the press-fitting power mechanism 200 includes a base 210, a press-fitting driving member 220, a press-fitting support 230, a push plate 240 and a pressure sensor (not shown). The base 210 includes a vertical sidewall 211. The press-fitting driving member 220 includes a lead screw nut set 221 fixedly disposed on the vertical side wall 211 and a motor 222 for driving the lead screw nut set 221. The input end of the screw nut set 221 is connected to the motor 222, the motor 222 is preferably a servo motor, the moving end of the screw nut set 221 is fixedly provided with the press-fitting support 230, and the bottom end of the press-fitting support 230 is fixedly provided with the push plate 240. The push plate 240 is provided with the pressure sensor for detecting the pressure, so that the servo motor is controlled, and accurate press fitting is realized. The push plate 240 is provided at the lower side thereof with a recess 241 for receiving the terminal and the explosion-proof valve of the upper surface of the top cover B2. When the motor 222 is operated, the push plate 240 can be driven to move downwards, and the top cover B2 is pressed in the shell B1. The two sides of the outer surface of the push plate 240 are both provided with a bump 242, and when the push plate 240 moves downwards for press fitting, the bumps 242 finally abut against the upper opening of the shell B1, so that the whole surface of the top cover B2 is overlapped with the top surface of the shell B1, accurate press fitting is completed, and the cell cannot be damaged. The press-fitting driving member 220 may also be an air cylinder, and is connected to the push plate 240 through an output end of the air cylinder, so as to set a required pressure for different batteries, and drive the push plate 240 to move down to press the top cover B2 into the housing B1 through an action of the air cylinder, thereby achieving an accurate press-fitting.

Referring to fig. 3, to facilitate the access of the cover B2 into the interior of the housing B1, the cover press-fitting apparatus further includes two pull housing mechanisms 400 disposed opposite each other. The pull housing mechanism 400 is disposed on each of two sides of the guide block 320, and the pull housing mechanism 400 includes a suction cup 410 and a pull housing cylinder 420. The output end of the shell pulling cylinder 420 is fixedly provided with the suckers 410, and preferably, one output end is provided with two suckers 410. The pulling case cylinder 420 drives the suction cup 410 to suck the outer surfaces of the two sides of the case B2 and pull the suction cup outwards, thereby facilitating the top cover B2 to enter the inside of the case B1.

Referring again to fig. 1 to 6, the top cover press-fitting device further includes a base plate 500. The bottom plate 500 is horizontally arranged, the press-fitting power mechanism 200, the positioning mechanism 300 and the shell pulling mechanism 400 are all arranged on the upper side of the bottom plate 500, and the lifting mechanism 130 is arranged on the lower side of the bottom plate 500. Firstly, a battery B to be pressed is placed in a groove of the support 134, the limiting driving piece 141 drives the clamping plates 142 at two sides to be clamped and arranged at two sides of the shell B1, and the limiting block 143 limits the battery B to be pressed in the groove; the lifting driving member 131 drives the mounting plate 132 to ascend and drives the battery B to be press-fitted to penetrate through the bottom plate 500. Then, the battery B to be press-fitted continues to rise through the guide of the guide portion 322 of the guide block 320 on the front and rear sides into the notch 321 until the upper surface of the case B1 is positioned on the protrusion 324. Then, the motor 222 drives the lead screw nut set 221 and drives the push plate 240 to press down until the projection 242 abuts against the upper opening of the shell B1, so that the whole surface of the top cover B2 is overlapped with the top surface of the shell B1, and during press fitting, the surface of the shell B1 is respectively and outwardly adsorbed by the suckers 410 on the two sides of the shell B1, so as to facilitate press fitting. The push plate 240 is pressed down under the control of the servo motor and the pressure sensor, the servo motor is controlled to rotate according to the pressure, so that the pressing process of the push plate 240 is controlled, specifically, when the pressure sensor detects that the pressure reaches a preset value, the pressure sensor sends a signal to the control system, and the control system sends an instruction to the servo motor to stop the rotation of the servo motor, so that the push plate 240 is pressed down, and therefore accurate press mounting is achieved, and the problems that the top cover B2 and the shell B1 are difficult to assemble and low in assembling accuracy are solved.

The above embodiments are only used for illustrating the present invention and not for limiting the technical solutions described in the present invention, and the understanding of the present specification should be based on the technical people in the related art, for example, the descriptions of the directions such as "front", "back", "left", "right", "up", "down", etc., although the present specification has described the present invention in detail with reference to the above embodiments, the ordinary skilled in the art should understand that the technical people in the related art can still modify or substitute the present invention, and all the technical solutions and modifications thereof that do not depart from the spirit and scope of the present invention should be covered within the scope of the claims of the present invention.

Claims

1. The utility model provides a top cap pressure equipment device which characterized in that, top cap pressure equipment device includes:

2. A top cover press-fitting apparatus as set forth in claim 1, wherein: the lifting mechanism further comprises a mounting plate, the support is arranged on the upper side of the mounting plate, and the mounting plate is fixedly arranged at the output end of the lifting driving member.

3. A top cover press-fitting apparatus as set forth in claim 2, wherein: install stop gear on the mounting panel, stop gear includes splint, spacing driving piece and stopper, spacing driving piece drive splint centre gripping casing just makes the stopper card is gone into the clearance between top cap and the casing.

4. A top cover press-fitting apparatus as set forth in claim 3, wherein: the limiting driving piece is an air cylinder with two output ends, and the air cylinder moves to enable the clamping plate to clamp or loosen the shell.

5. A top cover press-fitting apparatus as set forth in claim 1, wherein: the top cover press-fitting device further comprises a conveying mechanism, the conveying mechanism comprises a rack and a supporting plate, the lifting driving piece is installed on the supporting plate, and the supporting plate is slidably installed on the rack and drives the shell to horizontally move back and forth.

6. A top cover press-fitting apparatus as set forth in claim 1, wherein: the guide block is provided with the breach, the guide block in breach department is provided with the guide part vertical portion with the protruding portion, the guide part set up in the entrance of breach.

7. A top cover press-fitting apparatus as set forth in claim 1, wherein: the positioning mechanism comprises two opposite guide blocks and a guide block support, and the guide block support is fixed with an air claw which drives the two guide blocks to be close to or far away from each other.

8. A top cover press-fitting apparatus as set forth in claim 1, wherein: the lower side of the push plate is provided with a concave part matched with the top cover during press fitting, and two sides of the push plate are provided with convex blocks pressed on the upper surface of the shell during press fitting.

9. A top cover press-fitting apparatus as set forth in claim 1, wherein: the press-fitting driving piece comprises a servo motor and a pressure sensor; or the press-fitting driving piece is an air cylinder.

10. A top cover press-fitting apparatus as set forth in claim 1, wherein: the top cover press-fitting device further comprises two opposite shell pulling mechanisms, each shell pulling mechanism comprises a sucker and a shell pulling cylinder, and each shell pulling cylinder drives each sucker to adsorb the outer surface of the corresponding shell and pull the corresponding shell to the outer side.