CN216793942U

CN216793942U - Battery pack tab positioning mechanism

Info

Publication number: CN216793942U
Application number: CN202123115224.1U
Authority: CN
Inventors: 付建芳; 程敏; 叶建坤; 姜涛; 付立芳; 陆东明; 彭连富
Original assignee: Changxing Jialing Machinery Co ltd
Current assignee: Changxing Jialing Machinery Co ltd
Priority date: 2021-12-13
Filing date: 2021-12-13
Publication date: 2022-06-21
Anticipated expiration: 2031-12-13

Abstract

The utility model discloses a battery pack tab positioning mechanism, and aims to provide a battery pack tab positioning mechanism with a good welding positioning effect. Include the board of deciding of being connected with the frame, it is provided with the roof to decide the board top, it is connected with telescopic cylinder I between board and the roof to decide, it is provided with flexible fixing device to decide the board middle part, the roof middle part is provided with lets the position mouth, it arranges fixing device directly over to let the position mouth, it is connected with the clamp plate to let a position mouthful top, the roof upper surface is connected with two subtend gliding comb template, the comb template is parallel with the clamp plate, the comb template is provided with the location fluted piece towards a terminal surface of clamp plate, and one of them comb template tip is provided with the terminal constant head tank, the terminal constant head tank is corresponding with the location fluted piece, terminal constant head tank top is provided with presses terminal mechanism. The utility model has the beneficial effects that: the positioning of the pole lugs is facilitated; the position of the pole lug is accurate during welding, and the welding quality is guaranteed.

Description

Battery pack tab positioning mechanism

Technical Field

The utility model relates to the technical field related to battery processing, in particular to a battery pack tab positioning mechanism.

Background

The tab is one of the raw materials of the lithium ion polymer battery product. For example, the tabs are needed for mobile phone batteries, bluetooth batteries, notebook batteries and the like used in our lives. The battery is divided into a positive electrode and a negative electrode, the tabs are metal conductors leading out the positive electrode and the negative electrode from the battery core, and the tabs are ears of the positive electrode and the negative electrode of the battery in popular terms. Because the tab is made of a soft and thin material, a positioning mechanism is required to stabilize the tab when the tab is welded to the terminal.

Chinese patent grant publication no: CN 214921640U, the grant notice day 2021.11.30 discloses an utmost point ear positioner, including positioning fixture, positioning fixture is whole square, in last flourishing dress groove of having seted up of positioning fixture, in positioning fixture length direction or width direction seted up utmost point ear and drawn forth the mouth. And a weight reduction groove is horizontally arranged along the axial direction of the lug positioning device, the weight reduction groove is in a long strip shape, two ends of the weight reduction groove are in a semi-arc shape, and the length of the weight reduction groove is smaller than the difference between the length or width of the lug positioning device and the depth of the two gluing holes. The technical scheme solves the problems of simple positioning and convenient operation; the lifting of operators is facilitated by arranging the lightening holes. However, in the technical scheme, the positioning separation adopts a vertical upward mode, so that the electrode lug is possibly damaged after the welding is finished, and the welding quality cannot be ensured.

Therefore, a tab positioning mechanism needs to be designed to achieve good welding positioning effect and guarantee good welding quality.

SUMMERY OF THE UTILITY MODEL

The utility model provides a battery pack tab positioning mechanism with good welding positioning effect and good welding quality, aiming at overcoming the defects of poor welding positioning effect and poor welding quality in the prior art.

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

the utility model provides a group battery utmost point ear positioning mechanism, includes the board of deciding of being connected with the frame, it is provided with the roof to decide the board top, it is connected with telescopic cylinder one between board and the roof to decide, it is provided with flexible fixing device to decide the board middle part, the roof middle part is provided with lets the position mouth, it arranges fixing device directly over to let the position mouth, it is connected with the clamp plate to let position mouthful top, the roof upper surface is connected with two gliding comb type boards of subtend, the comb type board is parallel with the clamp plate, the comb type board is provided with the location tooth piece towards a terminal surface of clamp plate, and one of them comb type board tip is provided with the terminal constant head tank, the terminal constant head tank is corresponding with the location tooth piece, terminal constant head tank top is provided with presses terminal mechanism.

The fixed plate is fixed on the rack, and the top plate is arranged above the fixed plate and slides up and down through the telescopic action of the telescopic cylinder I. The fixed plate is provided with a fixing device which is telescopic and can fix the battery pack shell through telescopic action. The middle part of the top plate is provided with a yielding port which is arranged above the fixing device. A pressing plate is arranged above the abdicating port and used for fixing the battery pack shell. But roof upper surface is provided with two opposite directions gliding comb template, and the terminal surface of comb template sets up the location dentate plate, and the utmost point ear on the group battery is corresponded to the location dentate plate, and the location dentate plate can fix a position utmost point ear on the group battery, guarantees the welding position effect of utmost point ear. And the end part of one comb-shaped plate is provided with a terminal positioning groove for positioning the terminal. The terminal positioning groove corresponds to the positioning tooth sheet, and the terminal is connected with the lug positioned by the positioning tooth sheet through welding after entering the terminal positioning groove. And a terminal pressing mechanism is arranged above the terminal positioning groove and fixes the terminal, so that the terminal is ensured to be stably contacted with the lug during welding, and the welding quality is ensured.

Preferably, the fixing device comprises a second telescopic cylinder and a fixed block, the second telescopic cylinder is connected with the fixed plate, the second telescopic cylinder is connected with one end face of the fixed block, a U-shaped fixed groove is formed in the other end face of the fixed block, and the inner side wall of the fixed groove is an inclined plane. Telescopic cylinder two can promote the fixed block and slide on deciding the board, and the fixed slot that the tip of fixed block set up can be fixed group battery shell, and the inside wall of fixed slot is the inclined plane, can play the effect of direction when fixed group battery shell, realizes quick location, guarantees that group battery shell position is accurate, is favorable to the location effect of utmost point ear, guarantees welding quality.

Preferably, the upper surface of the top plate is connected with two sliding rails which are arranged in parallel, the sliding rails are arranged on two sides of the abdicating opening and are perpendicular to the pressing plate, the sliding rails are connected with sliding blocks, the sliding blocks are connected with the comb-shaped plate, the outer side surface of the comb-shaped plate is connected with a third telescopic cylinder, and the third telescopic cylinder is connected with the top plate. The three-pushing comb-shaped plate of the telescopic cylinder moves towards the pressing plate, power for positioning the polar lug of the comb-shaped plate is provided, the sliding rail and the sliding block are matched to play a role in guiding, the positioning accuracy and the positioning effect of the polar lug are guaranteed to be good, and the good welding quality is guaranteed.

Preferably, the end part of the comb-shaped plate is provided with a plurality of abdicating grooves, the positioning tooth plates are connected with the lower surfaces of the abdicating grooves, and the positioning tooth plates are provided with lug positioning grooves matched with lugs. The location tine piece is installed on the lower surface in the groove of stepping down, and the utmost point ear constant head tank that sets up on the location tine piece can fix a position the utmost point ear, and when the utmost point ear was fixed a position, utmost point ear surpassed location tine piece upper surface and entered into the inslot of stepping down, conveniently welded utmost point ear, the operation of being convenient for.

Preferably, the terminal positioning groove is a U-shaped groove, the terminal positioning groove is arranged at two ends of the yielding groove, and the terminal positioning groove is communicated with the yielding groove. The terminal positioning groove is U-shaped, so that the terminal can be conveniently positioned, the terminal positioning groove is communicated with the abdicating groove, the terminal is ensured to be in contact connection with the lug when entering the terminal positioning groove, and the welding quality is ensured.

Preferably, the terminal pressing mechanism comprises a connecting plate, the connecting plate is connected with the top plate, a terminal fixing plate is arranged below the connecting plate, a telescopic cylinder IV is connected to the middle of the terminal fixing plate and connected with the connecting plate, the terminal fixing plate is U-shaped, and two ends of the terminal fixing plate correspond to the terminal positioning grooves respectively. And the telescopic cylinder drives the terminal fixing plate to move downwards to press and fix the terminal arranged in the terminal positioning groove, so that stability during welding is ensured, and the welding quality of the terminal and the lug is ensured.

Preferably, the two ends of the pressing plate are respectively connected with a heat dissipation column, the heat dissipation columns are arranged between the yielding port and the sliding rail and connected with the top plate, and the pressing plate is aligned with the central line of the yielding port. The heat dissipation column is a heat conduction column with a heat dissipation function, a large amount of heat can be generated in the welding process, and the heat dissipation column is beneficial to dissipating heat generated in the welding process, so that the welding effect is ensured; the pressing plate aligns with the center line of the abdicating opening, and the pressing plate is matched with the fixing device to fix the battery pack, so that the positioning accuracy of the pole lugs is ensured, and meanwhile, the welding quality is ensured.

The utility model has the beneficial effects that: the fixing device is matched with the pressing plate to realize quick fixation and accurate positioning of the battery pack, and is favorable for positioning the lug; the comb-shaped plate moves to the pressure plate along the slide rail, so that the tab enters a positioning groove arranged on the positioning tooth piece, the position of the tab is accurate during welding, and the welding quality is ensured; the welding operation is convenient; the terminal fixing plate arranged above the comb-shaped plate is matched with the terminal positioning groove arranged on the comb-shaped plate, so that the accuracy and the welding quality of the welding position of the terminal and the lug are ensured.

Drawings

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

FIG. 2 is a top view of the present invention;

FIG. 3 is a schematic view of the press terminal mechanism of the present invention;

fig. 4 is a schematic view of a fixed block of the present invention.

In the drawings, there is shown in the drawings,

1. the novel energy-saving device comprises a fixed plate, a top plate, a telescopic cylinder I, a fixing device, a yielding port 5, a pressing plate 6, a comb-shaped plate 7, a terminal pressing mechanism 8, a sliding rail 20, a sliding block 21, a telescopic cylinder III, a telescopic cylinder II, a telescopic cylinder III, a telescopic cylinder 40, a fixed block 41, a fixed groove 42, a fixed groove 60, a heat dissipation column 70, a yielding groove 71, a positioning tooth piece 72, a terminal positioning groove 73, a lug positioning groove 73, a connecting plate 80, a terminal fixing plate 81 and a telescopic cylinder IV.

Detailed Description

The utility model is further described with reference to the following figures and detailed description.

Embodiment 1, as shown in fig. 1, a battery tab positioning mechanism includes a fixed plate 1 connected to a frame. A top plate 2 is arranged above the fixed plate 1. A telescopic cylinder I3 is connected between the fixed plate 1 and the top plate 2. The middle part of the fixed plate 1 is provided with a telescopic fixing device 4. The middle part of the top plate 2 is provided with a yielding port 5. The position-giving opening 5 is arranged right above the fixing device 4. A pressing plate 6 is connected above the position-giving opening 5. Two comb-shaped plates 7 which can slide oppositely are connected to the upper surface of the top plate 2. The comb plate 7 is parallel to the platen 6. One end face of the comb plate 7 facing the pressure plate 6 is provided with a positioning toothed sheet 71. One of the comb-shaped plates 7 is provided at its end with a terminal positioning groove 72. The terminal positioning groove 72 corresponds to the positioning blade 71. A terminal pressing mechanism 8 is disposed above the terminal positioning groove 72.

As shown in fig. 1 and 4, the fixing device 4 includes a second telescopic cylinder 40 and a fixing block 41. The second telescopic cylinder 40 is connected with the fixed plate 1. The second telescopic cylinder 40 is connected with one end face of the fixed block 41. The other end surface of the fixing block 41 is provided with a U-shaped fixing groove 42. The inner side wall of the fixing groove 42 is a slope.

As shown in fig. 1 and 2, two slide rails 20 arranged in parallel are connected to the upper surface of the top plate 2. The slide rails 20 are arranged on two sides of the allowance position opening 5 and are perpendicular to the pressing plate 6. The slide rail 20 is connected with a slide block 21. The slider 21 is connected to the comb plate 7. The outer side surface of the comb-shaped plate 7 is connected with a telescopic cylinder III 22. And a telescopic cylinder III 22 is connected with the top plate 2.

As shown in fig. 1 and 3, the comb plate 7 is provided with a plurality of relief grooves 70 at the end thereof. The positioning tooth piece 71 is connected with the lower surface of the receding groove 70. The positioning teeth piece 71 is provided with a tab positioning groove 73 matched with the tab. The terminal positioning groove 72 is a U-shaped groove. The terminal positioning grooves 72 are disposed at both ends of the relief groove 70. The terminal positioning groove 72 communicates with the relief groove 70. The terminal-pressing mechanism 8 includes a connection plate 80. The connecting plate 80 is connected to the top plate 2. A terminal fixing plate 81 is provided below the connecting plate 80. The middle part of the terminal fixing plate 81 is connected with a telescopic cylinder four 82. The fourth telescopic cylinder 82 is connected with the connecting plate 80. The terminal fixing plate 81 is U-shaped. The terminal fixing plate 81 has opposite ends corresponding to the terminal positioning grooves 72, respectively.

As shown in fig. 1, heat dissipation columns 60 are connected to both ends of the pressure plate 6. The heat dissipation column 60 is disposed between the relief opening 5 and the slide rail 20 and connected to the top plate 2. The pressing plate 6 is aligned with the midline of the abdicating hole 5.

The working principle of the utility model is as follows: as shown in fig. 1-4, the battery pack is placed on the fixed plate 1, the second telescopic cylinder 40 pushes the fixed block 41 to move towards the battery pack to fix the battery pack, so that the battery pack is located right below the let position opening 5, and the first telescopic cylinder 3 drives the top plate 2 to move downwards, so that the pressing plate 6 presses the battery pack, the stability of the battery pack during welding is ensured, and the welding quality is ensured. The third telescopic cylinder 22 pushes the comb-shaped plate 7 to move towards the pressure plate 6 along the slide rail 20, so that the pole lugs on the battery pack are clamped into the pole lug positioning grooves 73 arranged on the positioning tooth plates 71, and the pole lugs are positioned. The terminal is put into the terminal positioning groove 72 arranged on the comb-shaped plate 7, and the telescopic cylinder four 82 presses down the terminal fixing plate 81 to enable the terminal fixing plate 81 to press the terminal, so that the stable contact between the terminal and the pole ear is ensured. The abdicating groove 70 arranged at the end part of the comb-shaped plate 7 provides a position for convenient welding and ensures the convenient welding. Then, the tab and the terminal are welded, and a large amount of heat generated during welding is extracted by the heat-dissipating stud 60 connected to the pressure plate 6, thereby ensuring the welding quality. And after welding, the telescopic cylinder III 22 is withdrawn to separate the comb-shaped plate 7 from the pole lugs of the battery pack. The positioning tooth piece in the welding process can ensure that the pole lug is in a vertical state during welding, and the welding quality is ensured.

Claims

1. A battery pack tab positioning mechanism is characterized by comprising a fixed plate (1) connected with a rack, wherein a top plate (2) is arranged above the fixed plate (1), a telescopic cylinder I (3) is connected between the fixed plate (1) and the top plate (2), a telescopic fixing device (4) is arranged in the middle of the fixed plate (1), a position yielding opening (5) is arranged in the middle of the top plate (2), the position yielding opening (5) is arranged right above the fixing device (4), a pressing plate (6) is connected above the position yielding opening (5), two comb-shaped plates (7) capable of sliding oppositely are connected to the upper surface of the top plate (2), the comb-shaped plates (7) are parallel to the pressing plate (6), one end face, facing the pressing plate (6), of each comb-shaped plate (7) is provided with a positioning tooth piece (71), one end part of each comb-shaped plate (7) is provided with a terminal positioning groove (72), the terminal positioning groove (72) corresponds to the positioning tooth sheet (71), and a pressure terminal mechanism (8) is arranged above the terminal positioning groove (72).

2. The battery pack tab positioning mechanism according to claim 1, wherein the fixing device (4) comprises a second telescopic cylinder (40) and a fixed block (41), the second telescopic cylinder (40) is connected with the fixed plate (1), the second telescopic cylinder (40) is connected with one end surface of the fixed block (41), a U-shaped fixing groove (42) is formed in the other end surface of the fixed block (41), and the inner side wall of the fixing groove (42) is an inclined surface.

3. The battery pack tab positioning mechanism according to claim 1, wherein two sliding rails (20) are connected to the upper surface of the top plate (2) in parallel, the sliding rails (20) are disposed on two sides of the relief opening (5) and perpendicular to the pressing plate (6), a sliding block (21) is connected to the sliding rails (20), the sliding block (21) is connected to the comb-shaped plate (7), a third telescopic cylinder (22) is connected to the outer side surface of the comb-shaped plate (7), and the third telescopic cylinder (22) is connected to the top plate (2).

4. The battery pack tab positioning mechanism according to claim 1, wherein the comb plate (7) is provided at an end thereof with a plurality of relief grooves (70), the positioning teeth (71) are connected to lower surfaces of the relief grooves (70), and the positioning teeth (71) are provided with tab positioning grooves (73) matched with the tabs.

5. The battery pack tab positioning mechanism according to claim 4, wherein the terminal positioning groove (72) is a U-shaped groove, the terminal positioning groove (72) is disposed at both ends of the relief groove (70), and the terminal positioning groove (72) is communicated with the relief groove (70).

6. The battery pack tab positioning mechanism according to claim 1, wherein the terminal pressing mechanism (8) comprises a connecting plate (80), the connecting plate (80) is connected with the top plate (2), a terminal fixing plate (81) is arranged below the connecting plate (80), a telescopic cylinder four (82) is connected to the middle of the terminal fixing plate (81), the telescopic cylinder four (82) is connected with the connecting plate (80), the terminal fixing plate (81) is U-shaped, and two ends of the terminal fixing plate (81) correspond to the terminal positioning grooves (72) respectively.

7. The battery pack tab positioning mechanism according to claim 3, wherein the two ends of the pressure plate (6) are respectively connected with a heat dissipation column (60), the heat dissipation column (60) is arranged between the abdication port (5) and the slide rail (20) and connected with the top plate (2), and the center line of the pressure plate (6) is aligned with the abdication port (5).