CN218556024U

CN218556024U - Electrode lug welding clamp

Info

Publication number: CN218556024U
Application number: CN202222912618.8U
Authority: CN
Inventors: 李继宇; 罗雨晨; 吴浩; 王�锋
Original assignee: Hubei Eve Power Co Ltd
Current assignee: Hubei Eve Power Co Ltd
Priority date: 2022-11-02
Filing date: 2022-11-02
Publication date: 2023-03-03
Anticipated expiration: 2032-11-02

Abstract

The utility model belongs to the technical field of the battery production, a utmost point ear welding jig is disclosed, this utmost point ear welding jig sets up base and drive arrangement respectively in the both sides of mounting panel, and mounting panel and base are through first slide rail and first spout sliding connection, the mounting panel passes through second slide rail and second spout sliding connection with drive arrangement's stiff end, first slide rail extends along the x direction, the second slide rail extends along the y direction, the tray is connected with drive arrangement's drive end, drive arrangement is used for driving the tray and removes along the z direction, fix the core package of different models on the tray after, the core package is along with the tray at x, y and the three direction of z move, make welding point and welding set looks adaptation on the core package.

Description

Electrode lug welding clamp

Technical Field

The utility model relates to a battery production technical field especially relates to a utmost point ear welding jig.

Background

In the production process of the lithium ion battery, it is an indispensable ring to weld the tab to the core package, the lithium ion batteries of different models correspond to core packages of different models, the core packages of different models are different in size, and the positions (for example, the distance between the bottom of the tab and the core package or the distance between the side wall of the tab and the core package) where the tab is welded on the core package are also different.

In the prior art, because welding set is immobile, consequently, for the different welding position of reply different model core wraps, need develop the welding jig of different models to the core wrap of each model for the welding point of fixing the core wrap on welding jig can with welding set looks adaptation, not only wastes time and energy, and after the core wrap of a model stops, also can't reuse corresponding to the welding jig of this model, has formed very serious extravagant problem.

Therefore, it is desirable to provide a tab welding jig to solve the above technical problems.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an utmost point ear welding jig, this utmost point ear welding jig have higher universality to the different weld positions of different model core packages.

To achieve the purpose, the utility model adopts the following technical proposal:

utmost point ear welding jig includes:

a base;

one of the mounting plate and the base is provided with a first sliding rail, the other one of the mounting plate and the base is provided with a first sliding chute, the first sliding rail is in sliding fit with the first sliding chute, and the first sliding rail extends along the x direction;

one of the driving device and the mounting plate is provided with a second sliding rail, the other one of the driving device and the mounting plate is provided with a second sliding chute, the second sliding rail is in sliding fit with the second sliding chute, the second sliding rail extends along the y direction, and the base and the driving device are respectively positioned on two sides of the mounting plate;

the tray is used for fixing the core package, connected to the driving end of the driving device, and capable of driving the tray to move along the z direction.

Optionally, utmost point ear welding jig still includes first locating part, and first locating part includes first joint portion and first elastic component, and first joint portion sets up the one end at first elastic component, and the other end of first elastic component is fixed on the base, and the mounting panel is equipped with first spacing groove on the terminal surface of one side of base, and first joint portion can block into first spacing groove when first elastic component is in the resilience state.

Optionally, the longitudinal section of the first limiting groove along the x direction is triangular or semicircular.

Optionally, the first clamping portion is spherical.

Optionally, the first limiting member is a ball screw.

Optionally, the tab welding fixture further includes a second limiting part, the second limiting part includes a second clamping portion and a second elastic portion, the second clamping portion is disposed at one end of the second elastic portion, the other end of the second elastic portion is fixed on the end surface of the mounting plate facing one side of the driving device, a second limiting groove is disposed at the fixed end of the driving device, and the second clamping portion can be clamped into the second limiting groove when the second elastic portion is in the rebounding state.

Optionally, the longitudinal section of the second limiting groove along the y direction is triangular or semicircular.

Optionally, the second clamping portion is spherical.

Optionally, the second limiting member is a ball screw.

Optionally, the tab welding fixture further comprises a guide support rod and a connecting piece, the guide support rod is fixedly connected with the base, an axis of the guide support rod is parallel to the x direction, one end of the connecting piece is slidably sleeved on the guide support rod, and the other end of the connecting piece is fixedly connected with the mounting plate.

Has the advantages that:

the utility model provides a utmost point ear welding jig, sliding fit through first slide rail and first spout has realized the removal of tray in x side, sliding fit through second slide rail and second spout has realized the removal of tray in y side, realized the removal of tray in z side under drive arrangement's drive effect, therefore, fix the back on the tray with the core package of different models, in the x direction, the tray moves in y direction and z direction, can realize the removal of core package, and then make the welding point and the welding set looks adaptation on the core package, therefore, this utmost point ear welding jig has higher universality to the different welding position of different model core packages, the trouble to the independent development of different model core packages has been saved, the problem of the unable reuse of welding jig after also having avoided certain core package to stop production.

Drawings

Fig. 1 is a first schematic structural view of a tab welding jig provided by the present invention;

fig. 2 is a schematic structural diagram ii of the tab welding jig provided by the present invention;

fig. 3 is a schematic structural view three of the tab welding jig provided by the present invention;

fig. 4 is a partially enlarged view of a portion a in fig. 3.

In the figure:

100. a base; 110. a first slide rail; 200. mounting a plate; 210. a second slide rail; 220. a first limit groove; 300. a drive device; 310. a second limit groove; 400. a tray; 500. a first stopper unit; 510. a first limit piece; 511. a first clamping part; 512. a first elastic portion; 520. a first fixing plate; 610. a second limiting member; 710. a guide support rod; 720. a connecting member.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings and examples. It is to be understood that the specific embodiments described herein are merely illustrative of the invention and are not limiting of the invention. It should be further noted that, for the convenience of description, only some of the structures associated with the present invention are shown in the drawings, not all of them.

In the description of the present invention, unless expressly stated or limited otherwise, the terms "connected," "connected," and "fixed" are to be construed broadly, e.g., as meaning permanently connected, detachably connected, or integral to one another; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood as the case may be, by those of ordinary skill in the art.

In the present application, unless expressly stated or limited otherwise, the recitation of a first feature "on" or "under" a second feature may include the recitation of the first and second features being in direct contact, and may also include the recitation of the first and second features not being in direct contact, but being in contact with another feature between them. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.

In the description of the present embodiment, the terms "upper", "lower", "right", and the like are used based on the orientations and positional relationships shown in the drawings, and are only for convenience of description and simplification of operation, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used only for descriptive purposes and are not intended to be limiting.

The embodiment provides a tab welding clamp, which is mainly suitable for ultrasonic welding of a core package and a tab of a lithium ion battery, and the tab welding clamp has higher universality for different welding positions of core packages of different models.

Specifically, as shown in fig. 1, the tab welding fixture includes a base 100, a mounting plate 200, a driving device 300, and a tray 400, one of the mounting plate 200 and the base 100 is provided with a first slide rail 110, the other is provided with a first slide groove, the first slide rail 110 is in sliding fit with the first slide groove, the first slide rail 110 extends along an x direction, one of the driving device 300 and the mounting plate 200 is provided with a second slide rail 210, the other is provided with a second slide groove, the second slide rail 210 is in sliding fit with the second slide groove, the second slide rail 210 extends along a y direction, the base 100 and the driving device 300 are respectively located on two sides of the mounting plate 200, the tray 400 is used for fixing a core package, the tray 400 is connected to a driving end of the driving device 300, and the driving device 300 can drive the tray 400 to move along a z direction.

This utmost point ear welding jig has realized the removal of tray 400 in the x side through the sliding fit of first slide rail 110 with first spout, realized the removal of tray 400 in the y side through the sliding fit of second slide rail 210 with the second spout, realized the removal of tray 400 in the z side under drive arrangement 300's drive effect, therefore, fix the core package of different models back on tray 400, in the x direction, the removal of tray 400 in y direction and z direction, can realize the removal of core package, and then make the welding point on the core package and welding set looks adaptation, it is thus visible, this utmost point ear welding jig has higher universality to the different welding position of different model core packages, the trouble of having saved to the independent development of different model core packages, the problem of the unable reuse of welding jig after also having avoided certain core package to stop production.

In the present embodiment, as shown in fig. 1, the first slide rail 110 is disposed on the base 100, and the first sliding slot is disposed on the mounting plate 200, but in other embodiments, the first slide rail 110 may be disposed on the mounting plate 200, and the first sliding slot may be disposed on the base 100. In the present embodiment, the second slide rail 210 is disposed on the mounting plate 200, and the second sliding slot is disposed at the fixed end of the driving device 300, but in other embodiments, the second slide rail 210 may be disposed at the fixed end of the driving device 300, and the second sliding slot may be disposed on the mounting plate 200.

Optionally, the tray 400 is detachably connected to the driving end of the driving device 300 by means of a bolt connection or a snap connection, so that the tray 400 can be replaced, and the tray 400 can fix a core package matched with the size of the core package.

Optionally, in this embodiment, the driving device 300 is a manual sliding table, the manual sliding table has the characteristic of high-speed and high-precision reciprocating movement, and when the tray 400 is driven by the manual sliding table to move along the z direction, the tray 400 can realize quick and precise displacement, which is beneficial to improving the accuracy and the moving efficiency of moving the core pack in the z direction. Of course, in other embodiments, the driving device 300 may also be a reciprocating cylinder or a screw motor capable of driving the tray 400 to reciprocate.

Optionally, as shown in fig. 1 and fig. 2, the tab welding jig further includes a guide supporting rod 710 and a connecting member 720, the guide supporting rod 710 is fixedly connected to the base 100, an axis of the guide supporting rod 710 is parallel to the x direction, one end of the connecting member 720 is slidably sleeved on the supporting rod 710, the other end of the connecting member 720 is fixedly connected to the mounting plate 200 to support the mounting plate 200, and in the sliding process of the mounting plate 200, the guide supporting rod 710 can also guide the mounting plate 200 through the connecting member 720.

Optionally, the guide support rod 710 may be a polished rod or a threaded rod, and if the threaded rod is used as the guide support rod 710, the bearing is fixed on the connecting member 720, and the nut is fixed in the bearing, so that the threaded rod penetrates through the nut and is in threaded fit with the nut.

Optionally, as shown in fig. 1 to 4, the tab welding fixture further includes a first limiting member 510, the first limiting member 510 includes a first clamping portion 511 and a first elastic portion 512, the first clamping portion 511 is disposed at one end of the first elastic portion 512, the other end of the first elastic portion 512 is fixed on the base 100, a side end surface of the mounting plate 200 facing the base 100 is provided with a first limiting groove 220, the first elastic portion 512 is compressed under an external force, and the first clamping portion 511 can be driven to be clamped into the first limiting groove 220 when the first elastic portion 512 is rebounded from the compressed state, during a process that the mounting plate 200 moves along the x direction, the first elastic portion 512 is in the compressed state, and the first clamping portion 511 abuts against the mounting plate 200, when the first clamping portion 511 opposes the first limiting groove 220, the first elastic portion 512 rebounds, and the first clamping portion 511 drives the first clamping portion 511 to be clamped into the first limiting groove 220, at this time, the mounting plate 200 and the base 100 are relatively fixed, the mounting plate 200 cannot move along the x direction, and then the mounting plate 400 can move along the x direction, so that the mounting plate 200 can be easily moved along the x direction, and the first clamping portion can be pushed to move again, and the mounting plate 200 can be easily, and the mounting plate can be welded along the x direction.

Preferably, as shown in fig. 1 to 4, the longitudinal section of the first limiting groove 220 is triangular or semicircular along the x direction, so that the first clamping portion 511 can smoothly slide into and out of the first limiting groove 220.

Optionally, the first clamping portion 511 is spherical, so that flexibility of the first clamping portion 511 when sliding into and out of the first limiting groove 220 is further improved, and when the first clamping portion 511 is not clamped into the first limiting groove 220, the first elastic portion 512 is in a compressed state, at this time, the first clamping portion 511 is in an abutting relationship with the end surface of the mounting plate 200, and the first clamping portion 511 of the spherical structure can avoid the problem that the end surface of the mounting plate 200 is scratched.

Further, the first limiting member 510 is a ball screw, the first elastic portion 512 is a spring of the ball screw, and the first fastening portion 511 is a steel ball of the ball screw, when the mounting plate 200 slides on the base 100 along the x direction, the steel ball abuts against the end surface of the mounting plate 200, and the steel ball rotates at the end of the spring, so that the friction between the steel ball and the mounting plate 200 is reduced, the mounting plate 200 is pushed to move along the x direction, and the steel ball is more labor-saving and smoother when sliding into and out of the first limiting groove 220 due to the rotation of the end of the spring.

Optionally, as shown in fig. 1 to 4, the first limiting groove 220 extends along the y direction, the number of the first limiting members 510 is plural, exemplarily, the number of the first limiting members 510 may be two, three, or four, the plural first limiting members 510 are arranged at intervals in the y direction, and the plural first snapping portions 511 can be snapped into the first limiting groove 220, so that the stability of the mounting plate 200 in the x direction when the mounting plate is suspended is improved, and the accuracy of the core package welding position is improved.

Further, as shown in fig. 1 to 4, the first elastic portions 512 of the first limiting members 510 are fixed on the base 100 by a first fixing plate 520, the first fixing plate 520 and the first limiting members 510 form a first limiting unit, the number of the first limiting units is plural, for example, the number of the first limiting units may be two, three, or four, and the plural first limiting units are arranged at intervals along the x direction, so that the mounting plate 200 can suspend movement at multiple positions in the x direction, which further facilitates the welding operation of the core package, and further improves the universality of the tab welding fixture for different types of core packages at different welding positions in the x direction.

Optionally, as shown in fig. 1 to 4, the tab welding fixture further includes a second limiting member 610, the second limiting member 610 includes a second clamping portion and a second elastic portion, the second clamping portion is disposed at one end of the second elastic portion, the other end of the second elastic portion is fixed on a side end surface of the mounting plate 200 facing the driving device 300, a fixed end of the driving device 300 is provided with a second limiting groove 310, the second elastic portion is compressed under an external force, and the second elastic portion can drive the second clamping portion to be clamped into the second limiting groove 310 when rebounding from the compressed state, during a process that the driving device 300 moves on the mounting plate 200 along the y direction, the second elastic portion is in the compressed state and abuts against the fixed end of the driving device 300, when the second clamping portion opposes the second limiting groove 310, the second elastic portion rebounds, and drives the second clamping portion to be clamped into the second limiting groove 310, at this time, the driving device 300 and the mounting plate 200 are relatively fixed, the driving device 300 cannot move along the y direction, thereby further enabling the tray 400 to move along the y direction, and facilitating the operation of the second core package to be pushed to move again from the second clamping portion to the second limiting groove 310, and the tray 300 can be pushed again, and the second clamping portion to be pushed to move again, and the tray 300 to move again, and the fixing end of the tray 300.

Preferably, the longitudinal section of the second limiting groove 310 is triangular or semicircular along the y direction, so that the second clamping portion can smoothly slide into and out of the second limiting groove 310.

Optionally, the second clamping portion is spherical, so that the flexibility of the second clamping portion when the second clamping portion slides into and slides out of the second limiting groove 310 is further improved, when the second clamping portion is not clamped into the second limiting groove 310, the second elastic portion is in a compressed state, the second clamping portion is in a butting relation with the end face of the fixed end of the driving device 300, and the second clamping portion of the spherical structure can avoid the problem that the end face of the fixed end of the driving device 300 is scratched.

Further, second locating part 610 is the ripples pearl screw, the second elastic part is the spring of ripples pearl screw, second joint portion is the steel ball of ripples pearl screw, when drive arrangement 300 slides along the y direction on mounting panel 200, the steel ball supports on the terminal surface of drive arrangement 300 stiff end, and the steel ball rotates at the tip of spring, the frictional force between steel ball and the drive arrangement 300 stiff end has been reduced, it is comparatively laborsaving when promoting drive arrangement 300 board to remove along the y direction, and, because the steel ball rotates at the tip of spring, it is more smooth and easy laborsaving when making it slide-in and roll-off second spacing groove 310, in addition, the ripples pearl screw is comparatively common standard component in this field, be favorable to reducing the purchase degree of difficulty and reduction in production cost.

Optionally, as shown in fig. 1 to fig. 4, the second limiting groove 310 extends along the x direction, the number of the second limiting members 610 is multiple, exemplarily, the number of the second limiting members 610 may be two, three, or four, the multiple second limiting members 610 are arranged at intervals in the x direction, and the multiple second clamping portions can be clamped into the second limiting groove 310, so that the stability of the driving device 300 when the driving device stops moving in the y direction is improved, and the accuracy of the position of the core package during welding is improved.

Further, the plurality of second limiting members 610 form a second limiting unit, the number of the second limiting units is multiple, for example, the number of the second limiting units may be two, three or four, and the plurality of second limiting units are arranged at intervals along the y direction, so that the driving device 300 can realize the pause movement at a plurality of positions in the y direction, the welding operation of the core package is further facilitated, and the universality of the tab welding fixture at different welding positions in the y direction for core packages of different models can be further improved.

The utmost point ear welding jig that this embodiment provided fixes the core package on tray 400, and then the core package can remove along with tray 400 along x, y and the three direction of z respectively for this utmost point ear welding jig can adapt to the different welding position of different model core packages, has saved the trouble of designing different model utmost point ear welding jig repeatedly, and has also avoided the unable reuse's of certain core package post-production welding jig problem, has reduction in production cost's effect.

It is obvious that the above embodiments of the present invention are only examples for clearly illustrating the present invention, and are not intended to limit the embodiments of the present invention. Numerous obvious variations, rearrangements and substitutions will now occur to those skilled in the art without departing from the scope of the invention. And are neither required nor exhaustive of all embodiments. Any modification, equivalent replacement, and improvement made within the spirit and principle of the present invention should be included in the protection scope of the claims of the present invention.

Claims

1. Utmost point ear welding jig, its characterized in that includes:

a base (100);

one of the mounting plate (200) and the base (100) is provided with a first sliding rail (110), the other one of the mounting plate (200) and the base (100) is provided with a first sliding groove, the first sliding rail (110) is in sliding fit with the first sliding groove, and the first sliding rail (110) extends along the x direction;

one of the driving device (300) and the mounting plate (200) is provided with a second sliding rail (210), the other one of the driving device (300) and the mounting plate (200) is provided with a second sliding groove, the second sliding rail (210) is in sliding fit with the second sliding groove, the second sliding rail (210) extends along the y direction, and the base (100) and the driving device (300) are respectively positioned on two sides of the mounting plate (200);

the tray (400) is used for fixing the core bag, the tray (400) is connected to the driving end of the driving device (300), and the driving device (300) can drive the tray (400) to move along the z direction.

2. The tab welding fixture according to claim 1, further comprising a first limiting member (510), wherein the first limiting member (510) comprises a first clamping portion (511) and a first elastic portion (512), the first clamping portion (511) is disposed at one end of the first elastic portion (512), the other end of the first elastic portion (512) is fixed on the base (100), a first limiting groove (220) is disposed on one side end surface of the mounting plate (200) facing the base (100), and the first clamping portion (511) can be clamped into the first limiting groove (220) when the first elastic portion (512) is in a rebound state.

3. The tab welding jig as claimed in claim 2, wherein the longitudinal section of the first limiting groove (220) is triangular or semicircular along the x-direction.

4. The tab welding jig as claimed in claim 2, wherein the first catching portion (511) is spherical.

5. The tab welding jig according to claim 4, wherein the first retaining member (510) is a wave ball screw.

6. The tab welding fixture according to any one of claims 1 to 5, further comprising a second limiting member (610), wherein the second limiting member (610) includes a second clamping portion and a second elastic portion, the second clamping portion is disposed at one end of the second elastic portion, the other end of the second elastic portion is fixed on the end surface of the mounting plate (200) facing one side of the driving device (300), a second limiting groove (310) is disposed at the fixed end of the driving device (300), and the second clamping portion can be clamped into the second limiting groove (310) when the second elastic portion is in a rebound state.

7. The tab welding jig as claimed in claim 6, wherein the longitudinal section of the second limiting groove (310) in the y-direction is triangular or semicircular.

8. The tab welding jig of claim 6, wherein the second snap-in portion is spherical.

9. The tab welding jig of claim 8, wherein the second retaining member (610) is a wave ball screw.

10. The tab welding jig according to any one of claims 1 to 5, further comprising a guide support rod (710) and a connecting member (720), wherein the guide support rod (710) is fixedly connected to the base (100), an axis of the guide support rod (710) is parallel to the x-direction, one end of the connecting member (720) is slidably sleeved on the guide support rod (710), and the other end of the connecting member (720) is fixedly connected to the mounting plate (200).