Battery piece welding strip tail strip pressing mechanism

Abstract

The utility model provides a battery piece welding strip tail strip pressing mechanism. The battery piece welding strip tail strip pressing mechanism comprises a lifting vertical plate, a positioning plate and an executing mechanism. The executing mechanism is arranged below the positioning plate, and the chuck lifting mechanism and the chuck steering mechanism are arranged; the chuck lifting mechanism drives the chuck to lift up and down relative to the waist-shaped hole; the chuck steering mechanism comprises a reset mechanism, a connecting rod mechanism and a steering air cylinder and drives the chuck to rotate and then reset. The device is reasonable in structural design, utilizes a vacant space formed below the original vertical plate and the positioning plate to place the actuating mechanism, utilizes the connecting rod mechanism to effectively drive the chuck to press down and compress the tail belt, shortens the action stroke, and is quick, stable and reliable in action execution; the action execution process of the clamping jaw belt pulling module and the carrying module at the tail belt pressing position can be effectively simplified, the execution time is shortened, the execution rhythm is accelerated, and the welding efficiency is effectively improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of battery piece production, especially relates to tail band of battery piece welding band pressure mechanism. BACKGROUND

[0002] The battery piece welding machine is an essential processing machine in the design and production of battery pieces, and is mainly used for pressing and welding the welding band to the main grid line of the battery piece. The battery piece welding machine usually contains multiple module combination connection actions according to different actions. In the positioning of the battery piece and the welding band, in order to ensure the welding quality between the welding band and the battery piece, the welding band needs to be pressed in the tail band positioning operation.

[0003] In this operation process, the tail band clamping module, the jaw pulling band module and the carrying module are involved in the action of each module of the welding machine. In the existing battery piece welding machine, the tail band clamping module base is fixedly positioned, and a positioning plate is arranged on the base, and a plurality of guide grooves are formed in the positioning plate. The guide grooves are used for positioning the position of the welding band and guiding the movement direction of the welding band. The welding band is correspondingly laid in the guide groove, and the jaw pulling band module is provided with a pulling finger corresponding to each guide groove for clamping the welding band in the guide groove. The carrying module is arranged above the tail band clamping module, and the carrying module carries the battery piece and positions it above the tail band clamping module. In work, the jaw pulling band module is used to pull the cut welding band to the corresponding position, the tail band clamping module is used to position the tail band, the carrying module is used to transport the battery piece and place it above the welding band, the pulling finger continues to clamp the welding band and moves along the length direction of the guide groove, and further welding operation is performed subsequently.

[0004] The existing tail band clamping module usually has an actuator that drives the clamp to press the tail band. The actuator is arranged above the guide groove, and the actuator drives the clamp to press the welding band in the guide groove from above. In this layout, the actuator interferes with the movement of the carrying module and the jaw pulling band module in the vertical direction and the horizontal displacement direction.

[0005] In order to improve the welding conveying efficiency, two sets of jaw pulling band modules are usually designed, and the two sets of jaw pulling band modules are driven by a drag chain to move horizontally along the horizontal direction. A control mechanism is arranged on the drag chain to drive the jaw to move up and down. The drag chains of the two sets of jaw pulling band modules are arranged on both sides of the length direction of the tail band clamping module guide groove, and the drag chains move along the length direction and the height direction of the guide groove to pull the band alternately. In this process, since the actuator is located above the guide groove, when one jaw pulling band module is located at the tail band pressing position, the other jaw pulling band module needs to pass through the actuator before it can clamp the next section of welding band from the cutting position, so as to standby clamping for the next tail band pressing, thereby realizing continuous action and ensuring the welding efficiency.

[0006] For the carrying module, since the same action needs to be performed from above the guide groove, there is more space interference with the existing tail band clamping module. The actuator is located above the guide groove, and drives the clamp head to move downward. During the process of the carrying module carrying the battery piece and placing it above the welding band, the actuator needs to maintain its position, so that the clamp head can stably press the tail band of the welding band into the guide groove. Therefore, the action of the clamp head carried by the actuator is usually higher than the height of the carrying module. Before the carrying module moves, i.e. before the clamp head is pressed into place, the carrying module waits for the battery piece to be carried and placed, and after the placement is completed, the carrying module is operated to move out, and then the actuator and the clamp head are lifted. In the operation of pressing the tail band, the clamp mechanism of the tail band pressing mechanism needs more space and has a long stroke, which affects the welding efficiency of the battery piece and there is further improvement space. Utility model content

[0007] The technical problem to be solved by the utility model is: in order to overcome the defects of the prior art, the utility model provides a battery piece welding band tail band pressing mechanism, which reasonably arranges the actuator, can effectively press the tail band, does not cause space interference to the clamp jaw band pulling module and the carrying module, saves the pressing time, and effectively improves the welding efficiency.

[0008] The utility model adopts the technical scheme in the technical solution: a battery piece welding band tail band pressing mechanism is used for performing pressing operation on the tail band of the clamp jaw band pulling module, and comprises a lifting vertical plate, a positioning plate and an actuator. The positioning plate is arranged on the upper end of the base, a plurality of guide grooves are distributed on the positioning plate, a waist-shaped hole is formed on the side of the front end of each guide groove of the positioning plate, a clamp head is arranged in each waist-shaped hole, the actuator is arranged below the positioning plate, and the actuator comprises a clamp head lifting mechanism and a clamp head turning mechanism. The clamp head lifting mechanism drives the clamp head to move up and down relative to the waist-shaped hole, and comprises a base and a lifting cylinder. A linear guide rail is arranged on the vertical plate along the height direction, the output shaft of the lifting cylinder is in transmission connection with the base and drives the base to move up and down along the linear guide rail, the lower end of the clamp head is in rod structure, and the base drives the rod structure to move up and down. The clamp head turning mechanism comprises a reset mechanism, a connecting rod mechanism and a turning cylinder. The output end of the turning cylinder is in transmission connection with the clamp head through the connecting rod mechanism and drives the clamp head to rotate in the horizontal direction. The reset mechanism is in transmission connection with the clamp head and drives the clamp head to reset after the clamp head rotates.

[0009] In the above scheme, the actuator is arranged below the positioning plate, which can effectively avoid the space interference to the action of the clamping jaw pulling belt module and the handling module. Meanwhile, the downward pressing and resetting of the chuck only needs the action of the lower actuator, without waiting for the action of the upper handling module. The execution time and stroke of the actuator are effectively shortened, the execution cycle at the station is effectively accelerated, and the welding efficiency is improved.

[0010] Further, the resetting mechanism comprises a rod retaining frame and an elastic element, the rod retaining frame is fixed on the upper end of the base through the pressing rod support, the rod retaining frame is provided with a mounting hole corresponding to each chuck, the mounting hole is penetrated by the rod structure of the chuck, one end of the elastic element is elastically connected with the lower end of the rod retaining frame, and the other end is elastically connected with the rod structure extending out of the mounting hole of the rod retaining frame.

[0011] Further, the elastic element is a spring, the rod structure of the chuck is axially positioned and connected with the mounting hole at the upper end position of the mounting hole of the rod retaining frame through an upper snap spring, a lower snap spring is fixed on the position of the rod structure extending out of the mounting hole of the rod retaining frame, the spring is arranged around the outer circumferential surface of the rod structure, and the upper end of the spring is elastically connected with the lower end surface of the rod retaining frame, and the lower end is elastically connected with the lower snap spring. The upper snap spring positions the rod structure of the chuck in the height direction with the rod retaining frame, and the radial torsion of the rod structure and the rod retaining frame is realized through the connecting rod mechanism, and the resetting after torsion is realized through the spring rebound to drive the chuck to reset.

[0012] Further, the connecting rod mechanism comprises a connecting rod main body, a first connecting rod, a second connecting rod and a sliding seat plate, the upper end of the connecting rod main body is fixed with the lower end of the rod structure of the chuck, the lower end is hinged with the first connecting rod, the other end of the first connecting rod is hinged with the second connecting rod, and the second connecting rod is fixed on the sliding seat plate, the steering cylinder is arranged on the base, the extension direction of the output shaft of the steering cylinder is directed to the sliding seat plate, and the sliding seat plate is displaced in the horizontal direction relative to the waist-shaped hole when the output shaft is extended. When the sliding seat plate is horizontally displaced, the second connecting rod is horizontally displaced, the first connecting rod hinged with the second connecting rod is displaced, and the other end of the first connecting rod is rotated, so that the chuck is steered through the connecting rod main body.

[0013] Further, the base is fixed with a steering slide rail, the steering slide rail is arranged in parallel with the output shaft of the steering cylinder, the sliding seat plate is fixed with a sliding block, and the sliding block is slidably matched with the steering slide rail. The cooperation of the steering slide rail and the sliding block provides the directional and track limiting for the force movement of the sliding seat plate.

[0014] Further, when controlling the horizontal movement of the slide plate, the oil pressure buffer is used to provide a limiting buffer, and a steering oil pressure buffer is symmetrically arranged on the base corresponding to the two sides of the slide plate, the piston rod of the steering oil pressure buffer is arranged in parallel with the output shaft of the steering cylinder, and the front end of the piston rod of the steering oil pressure buffer points to the end surface of the two sides of the slide plate.

[0015] Preferably, the second connecting rods of the two adjacent clamping heads are distributed in up-down staggered mode in the height direction, and the staggered distribution space design can make the distribution of the connecting rod mechanism more compact, and in the space corresponding to the width of the welding strip, the installation space requirement of the connecting rod transmission is met.

[0016] The up-down staggered distribution is set by the slotting depth of the installation slot, the installation slot is arranged on the upper end surface of the slide plate corresponding to the number of clamping heads, and the second connecting rods are fixed on the installation slot respectively, the installation slot is divided into deep slots and shallow slots according to the slot depth, the deep slots and the shallow slots are distributed in an interval mode, the length of the connecting rod body corresponding to the shallow slot is shorter than the length of the connecting rod body corresponding to the deep slot, and the length difference is the slot depth difference between the shallow slot and the deep slot.

[0017] Further, when controlling the lifting of the base, the oil pressure buffer is also used for limiting buffer, the limiting block is fixed on the base, the lifting oil pressure buffer is arranged on the upper and lower sides of the limiting block corresponding to the vertical plate respectively, the piston rod of the lifting oil pressure buffer is arranged in parallel with the output shaft of the lifting cylinder, and the output end of the piston rod of the lifting oil pressure buffer points to the upper and lower end surfaces of the limiting block.

[0018] The battery piece welding strip tail pressing mechanism has the advantages that the structure design is reasonable, the actuating mechanism for driving the clamping head to act is arranged below the positioning plate, the idle space formed below the original vertical plate and the positioning plate is used to place the actuating mechanism, the connecting rod mechanism effectively drives the clamping head to press and tighten the tail strip, the actuating stroke is shortened, the actuating execution is fast, stable, reliable, the actuating execution process of the jaw strip pulling module and the carrying module at the tail strip pressing position can be effectively simplified, the execution time is shortened, the execution rhythm is accelerated, and the welding efficiency is effectively improved. BRIEF DESCRIPTION OF DRAWINGS

[0019] The utility model is further described below in combination with the drawings and embodiments.

[0020] Figure 1 It is the perspective view of the utility model and the jaw strip pulling module and the carrying module.

[0021] Figure 2 It is the perspective view of the utility model.

[0022] Figure 3 It is the left view of the utility model.

[0023] Figure 4 is a front view of the utility model.

[0024] Figure 5 is a top view of the utility model.

[0025] Figure 6 is Figure 5 is a sectional view of A-A in the figure.

[0026] Figure 1, the jaw pull belt module 2, the carrying module 3, the tail belt clamping module 4, the positioning plate 5, the guide groove 6, the chuck 7, the rod retaining frame 8, the pressure rod support 9, the base 10, the slide plate 11, the steering cylinder 12, the lifting cylinder 13, the lifting oil buffer 14, the steering oil buffer 15, the deep groove 16, the shallow groove 17, the waist-shaped hole 18, the upper clasp spring 19, the spring 20, the lower clasp spring 21, the connecting rod main body 22, the first connecting rod 23, the second connecting rod 24, the vertical plate. DETAILED DESCRIPTION

[0027] The utility model will be further explained in detail in combination with the drawings. These drawings are all simplified schematic diagrams, only the basic structure of the utility model is schematically shown, therefore, only the structure related to the utility model is shown, and the direction and reference (such as up, down, left, right, etc.) can only be used to help the description of the features in the drawings. Therefore, the following specific embodiments are not in the sense of limitation, and the scope of the claimed subject matter is only defined by the appended claims and their equivalents.

[0028] Embodiment one:

[0029] As shown in a kind of battery piece welding strip tail band pressing mechanism, it is the embodiment one of the utility model, for the tail band of the jaw pull belt module 1 clamping welding strip is executed pressing operation. Figures 2 to 6

[0030] The battery piece welding strip tail band pressing mechanism includes lifting vertical plate 24, positioning plate 4 and executing mechanism. Positioning plate 4 is set on the upper end of base 9. There are several guide grooves 5 in the distribution requirement of corresponding welding strip on battery piece on positioning plate 4. Welding strip is clamped by jaw pull belt module 1 and moves along the length direction of guide groove 5 in guide groove 5. Positioning plate 4 is provided with waist-shaped hole 17 in the side of the front end of each guide groove 5, and chuck 6 is matched in each waist-shaped hole 17. Chuck 6 is inverted L-shaped mechanism, the lower end of chuck 6 is rod structure, for driving chuck 6 to do lifting and rotating operation with the transmission connection of executing mechanism. The upper end of chuck 6 is used to press down and cooperate with tail band, realizes the press locking operation of tail band.

[0031] As shown in a kind of battery piece welding strip tail band pressing mechanism, it is the embodiment one of the utility model, for the tail band of the jaw pull belt module 1 clamping welding strip is executed pressing operation. Figure 1 ​As shown, the actuator is arranged below the positioning plate 4, which can effectively avoid the space interference to the action of the clamping jaw pulling belt module 1 and the carrying module 2, and the downward pressing of the chuck 6 to the pressing belt and the resetting of the chuck 6 only need the action of the lower actuator, without waiting for the action of the upper carrying module 2, so that the execution time and stroke of the actuator are effectively shortened, the execution cycle at this station is effectively accelerated, and the welding efficiency is improved.

[0032] The actuator includes a chuck 6 lifting mechanism and a chuck 6 turning mechanism, wherein the chuck 6 lifting mechanism drives the chuck 6 to move up and down relative to the waist-shaped hole 17, and the chuck 6 turning mechanism drives the chuck 6 to rotate in the horizontal direction and reset the rotation.

[0033] As shown in the figure, Figure 6 The chuck 6 lifting mechanism includes a base 9 and a lifting cylinder 12, and a vertical plate 24 is provided with a linear guide rail in the height direction, the output shaft of the lifting cylinder 12 is in transmission connection with the base 9 and drives the base 9 to move up and down along the linear guide rail, and the base 9 drives the rod structure to move up and down.

[0034] On the basis of the linear guide rail controlling the direction of the base 9 rising and falling, the oil pressure buffer is also used for limiting and buffering when the base 9 is controlled to rise and fall. That is, a limiting block is fixed on the base 9, and the vertical plate 24 is provided with a lifting oil pressure buffer 13 on the upper and lower sides corresponding to the limiting block, and the piston rod of the lifting oil pressure buffer 13 is arranged parallel to the output shaft of the lifting cylinder 12 and the linear guide rail. The output ends of the piston rods of the two lifting oil pressure buffers 13 respectively point to the upper and lower side end faces of the limiting block, which on the one hand limits the up and down in the height direction, avoiding the damage of the positioning plate 4 caused by excessive lifting, and on the other hand provides effective buffering for the height direction limiting, improving the safety and reliability of the limiting.

[0035] As shown in the figure, Figure 6 The chuck 6 turning mechanism includes a resetting mechanism, a connecting rod mechanism and a turning cylinder 11, the output end of the turning cylinder 11 is in transmission connection with the chuck 6 through the connecting rod mechanism and drives the chuck 6 to rotate in the horizontal direction, and the resetting mechanism is in transmission connection with the chuck 6 and drives the chuck 6 to reset after the chuck 6 rotates.

[0036] Specifically, the reset mechanism includes a rod holder 7 and an elastic element. The rod holder 7 is fixed on the upper end of the base 9 through a pressure rod support 8. The rod holder 7 is provided with a mounting hole corresponding to each chuck 6 for the rod structure of the chuck 6 to pass through. One end of the elastic element is elastically connected to the lower end of the rod holder 7, and the other end is elastically connected to the rod structure extending out of the mounting hole of the rod holder 7. In this embodiment, the elastic element is a spring 19. The rod structure of the chuck 6 is axially positioned and connected with the mounting hole through an upper snap spring 18 at the upper end position of the mounting hole of the rod holder 7. A lower snap spring 20 is fixed to the rod structure at the position extending out of the mounting hole of the rod holder 7. The spring 19 is arranged around the outer circumferential surface of the rod structure, and the upper end of the spring 19 is elastically connected to the lower end surface of the rod holder 7, and the lower end is elastically connected to the lower snap spring 20. The upper snap spring 18 positions the rod structure of the chuck 6 in the height direction with the rod holder 7, and the radial torsion of the rod structure and the rod holder 7 is realized through the connecting rod mechanism. The reset after torsion is reset through the spring 19.

[0037] The connecting rod mechanism includes a connecting rod body 21, a first connecting rod 22, a second connecting rod 23, and a slide plate 10. The upper end of the connecting rod body 21 is fixed to the lower end of the rod structure of the chuck 6, and the lower end is hinged to the first connecting rod 22. The other end of the first connecting rod 22 is hinged to the second connecting rod, and the second connecting rod 23 is fixed to the slide plate 10. The steering cylinder 11 is arranged on the base 9, and the extension direction of the output shaft of the steering cylinder 11 points to the slide plate 10, and when it is extended, it drives the slide plate 10 to displace in the horizontal direction relative to the waist-shaped hole 17. The base 9 is fixed with a steering slide rail which is arranged in parallel with the output shaft of the steering cylinder 11, and the slide plate 10 is fixed with a sliding block which is in sliding cooperation with the steering slide rail. Through the cooperation of the steering slide rail and the sliding block, the direction and trajectory of the forced movement of the slide plate 10 are limited. When the slide plate 10 displaces horizontally, it drives the second connecting rod 23 to displace horizontally, and the first connecting rod 22 hinged to the second connecting rod 23 displaces accordingly, and the other end of the first connecting rod 22 rotates accordingly, thereby driving the chuck 6 to operate through the connecting rod body 21.

[0038] Similar to the action of the chuck 6 lifting mechanism, when the slide plate 10 is controlled to move in the horizontal direction, the oil pressure buffer can also be used to provide limiting and buffering. That is, the surface of the base 9 is provided with steering oil pressure buffers 14 corresponding to the two sides of the slide plate 10, and the piston rods of the steering oil pressure buffers 14 are arranged in parallel with the output shaft of the steering cylinder 11 and the steering slide rail, and the front ends of the piston rods of the steering oil pressure buffers 14 point to the two side end surfaces of the slide plate 10, so that when the slide plate 10 translates along the steering slide rail, it can be effectively limited and buffered when limited, thereby improving the safety and reliability in the movement of the slide plate.

[0039] This design of the battery cell welding strip tail clamping mechanism places the actuator that drives the chuck 6 below the positioning plate 4, utilizing the space created by the existing vertical plate 24 and the area below the positioning plate 4. Unlike existing clamping mechanisms that require significant vertical travel, this design uses a linkage mechanism to effectively drive the chuck 6 downwards to clamp the tail strip, shortening the travel distance. Furthermore, with the actuator located below the positioning plate 4, its movement does not interfere with the gripper pulling module 1 or the transport module 2. The gripper pulling module 1 can pass directly through the space above the positioning plate 4 without needing to be raised to avoid the actuator, and the transport module 2 does not need to wait for the actuator's travel distance. This effectively simplifies the action flow of the gripper pulling module 1 and the transport module 2 at the tail strip clamping point, shortening the execution time and accelerating the cycle time. This results in a fast, stable, and reliable tail strip clamping operation, significantly improving welding efficiency.

[0040] Example 2:

[0041] like Figure 3 The battery cell welding strip tail clamping mechanism shown is Embodiment 2 of this utility model. Based on Embodiment 1, Embodiment 2 further improves the layout of the linkage mechanism to meet the space requirements of the linkage mechanism below the positioning plate 4 when the interval between adjacent tail strips is narrow.

[0042] Specifically, such as Figure 3 As shown, the second connecting rods 23 of two adjacent clamps 6 are staggered vertically in the height direction. The staggered distribution is set by the groove depth of the mounting slot. The upper surface of the slide plate 10 has mounting slots corresponding to the number of clamps 6. The second connecting rods 23 are fixed to the mounting slots respectively. The mounting slots are divided into deep slots 15 and shallow slots 16 according to their depth. The deep slots 15 and shallow slots 16 are distributed alternately. The length of the connecting rod body 21 corresponding to the shallow slot 16 is also shorter than the length of the connecting rod body 21 corresponding to the deep slot 15. The length difference is the groove depth difference between the shallow slot 16 and the deep slot 15.

[0043] Thus, at the linkage mechanism, corresponding to the narrow interval, the difference in the depth of the mounting groove makes the second connecting rods 23 spatially staggered. When moved by the slide plate 10, the two adjacent second connecting rods 23 translate with the slide plate 10, forming a staggered and overlapping structure. On the one hand, the rotation of the linkage is realized, and on the other hand, the two adjacent second connecting rods 23 will not interfere with each other. Similarly, the first connecting rod 22 connected to the second connecting rod 23 will not interfere with each other, making the linkage mechanism more compact. Within the space corresponding to the width of the welding strip, the installation space requirements of the linkage transmission are met.

[0044] With the above ideal embodiment of the present application as the inspiration, through the above description, relevant staff can make various changes and modifications without deviating from the technical idea of the present application. The technical scope of the present application is not limited to the content in the specification, and the technical scope must be determined according to the scope of claims.

Claims

1. A battery piece welding strip tail band pressing mechanism for performing a pressing operation on the tail band of the welding strip clamped by a clamping jaw strip pulling module (1), characterized in that: It includes lifting vertical plate (24), positioning plate (4) and executing mechanism; positioning plate (4) is arranged on the upper end of base (9), positioning plate (4) is spacedly distributed with several guide slots (5) on it, waist-shaped hole (17) is opened on the side of the front end of each guide slot (5) of positioning plate (4), chuck (6) is matched and arranged in each waist-shaped hole (17), The executing mechanism is arranged below positioning plate (4), and it includes chuck (6) lifting mechanism and chuck (6) steering mechanism; Chuck (6) lifting mechanism drives chuck (6) to move up and down relative to waist-shaped hole (17), and it includes base (9) and lifting cylinder (12), straight line guide rail is arranged on vertical plate (24) along the height direction, the output shaft of lifting cylinder (12) is in transmission connection with base (9) and drives base (9) to move up and down along the straight line guide rail, the lower end of chuck (6) is in the form of rod, and base (9) drives the rod to move up and down. Chuck (6) steering mechanism includes reset mechanism, connecting rod mechanism and steering cylinder (11), the output end of steering cylinder (11) is in transmission connection with chuck (6) through connecting rod mechanism and drives chuck (6) to rotate in the horizontal direction, and reset mechanism is in transmission connection with chuck (6) and drives chuck (6) to reset after the rotation of chuck (6).

2. The battery piece welding band tail pressing mechanism according to claim 1, characterized in that: Reset mechanism includes rod holder (7) and elastic element, rod holder (7) is fixed on the upper end of base (9) through pressure rod support (8), rod holder (7) is respectively provided with mounting hole for the rod structure of chuck (6) to pass through on the upper end of each chuck (6), one end of elastic element is in elastic connection with the lower end of rod holder (7), and the other end is in elastic connection with the rod structure extending out of the mounting hole of rod holder (7).

3. The battery piece welding band tail pressing mechanism according to claim 2, characterized in that: The elastic element is spring (19), the rod structure of chuck (6) is in axial positioning connection with the mounting hole through upper snap spring (18) at the position of the upper end of the mounting hole of rod holder (7), lower snap spring (20) is fixed on the rod structure extending out of the mounting hole of rod holder (7), spring (19) is arranged around the outer circumferential surface of the rod structure, and the upper end of spring (19) is in elastic connection with the lower end surface of rod holder (7), and the lower end is in elastic connection with lower snap spring (20).

4. The battery piece welding band tail pressing mechanism according to claim 3, characterized in that: Connecting rod mechanism includes connecting rod main body (21), first connecting rod (22), second connecting rod (23) and slide plate (10), the upper end of connecting rod main body (21) is fixed with the lower end of the rod structure of chuck (6), and the lower end is hinged with first connecting rod (22), the other end of first connecting rod (22) is hinged with second connecting rod, and second connecting rod (23) is fixed on slide plate (10), steering cylinder (11) is arranged on base (9), the extension direction of the output shaft of steering cylinder (11) points to slide plate (10), and when it extends, it drives slide plate (10) to displace in the horizontal direction relative to waist-shaped hole (17).

5. The battery piece welding band tail pressing mechanism according to claim 4, characterized in that: The base (9) is fixed with a steering slide rail, the steering slide rail is arranged in parallel with the output shaft of the steering cylinder (11), the slide plate (10) is fixed with a sliding block, and the sliding block is in sliding fit with the steering slide rail.

6. The battery piece welding band tail pressing mechanism according to claim 5, characterized in that: The base (9) is further provided with steering oil buffers (14) on both sides of the slide plate (10) in a symmetrical mode, the piston rod of the steering oil buffer (14) is arranged in parallel with the output shaft of the steering cylinder (11), and the front end of the piston rod of the steering oil buffer (14) points to the end faces of both sides of the slide plate (10).

7. The battery piece welding band tail pressing mechanism according to claim 4, characterized in that: The second connecting rods (23) of the adjacent two clamps (6) are distributed in an up-down staggered mode in the height direction.

8. The battery piece welding band tail pressing mechanism according to claim 7, characterized in that: The slide plate (10) is provided with mounting grooves on the upper end face and corresponding to the number of clamps (6), the second connecting rods (23) are fixed on the mounting grooves, the mounting grooves are divided into deep grooves (15) and shallow grooves (16) according to groove depth, the deep grooves (15) and the shallow grooves (16) are distributed in an interval mode, the length of the connecting rod main bodies (21) corresponding to the shallow grooves (16) is shorter than the length of the connecting rod main bodies (21) corresponding to the deep grooves (15), and the length difference is the groove depth difference between the shallow grooves (16) and the deep grooves (15).

9. The battery piece welding band tail pressing mechanism according to claim 1, characterized in that: The base (9) is fixed with a limiting block, the vertical plate (24) is provided with lifting oil buffers (13) on the upper and lower sides corresponding to the limiting block in a corresponding mode, the piston rod of the lifting oil buffer (13) is arranged in parallel with the output shaft of the lifting cylinder (12), and the output end of the piston rod of the lifting oil buffer (13) points to the end faces of the upper and lower sides of the limiting block.

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