CN219188232U - Battery tab shaping device - Google Patents

Abstract

The application provides a battery tab shaping device which is configured to bend tabs at the end part of a battery, and comprises a pressing mechanism and a bending mechanism; the compressing mechanism comprises a bearing seat and a compressing rod; the bearing seat is provided with a bearing groove for bearing the battery; the pressing rod is arranged above the bearing groove in a sliding manner along the up-down direction; the bending mechanism comprises a bending block and a model block; the bending block is arranged on one side of the bearing groove in a sliding manner; the model block is arranged on one side of the bearing groove and is opposite to the bending block; the bending block slides to be abutted against the lug and the contact model block; this application can replace the manual work, carries out the plastic to the utmost point ear of battery tip, and plastic efficient, and can guarantee that the shape of utmost point ear after the plastic is unanimous to follow-up welding work.

Description

Battery tab shaping device

Technical Field

The application relates to the technical field of battery assembly, in particular to a battery tab shaping device.

Background

In the manufacturing process of the battery, the tabs of different batteries are required to be correspondingly welded, the tabs are long, and when the tabs are assembled on the battery, the length direction of the tabs is vertical to the axial direction of the battery such as a lithium battery, therefore, the tabs are required to be bent before welding, so that the tabs of different batteries can be mutually close to each other so as to facilitate welding, and in general, the bending operation of the tabs is called tab shaping; at present, the lug of the battery is shaped manually, the efficiency of the manual mode is low, the shape of the shaped lug is different, and the welding can be performed only through secondary shaping, so that the manufacturing efficiency of the battery can be reduced through the mode of manually shaping the lug.

Disclosure of Invention

An object of the application is to provide a battery tab shaping device, this application can replace the manual work, carries out the plastic to the tab of battery tip, and plastic efficient, and can guarantee that the shape of tab after the plastic is unanimous to follow-up welding work.

Therefore, the embodiment of the application provides a battery tab shaping device which is configured to bend a tab at the end part of a battery, and comprises a pressing mechanism and a bending mechanism; the compressing mechanism comprises a bearing seat and a compressing rod; the bearing seat is provided with a bearing groove for bearing the battery; the pressing rod is arranged above the bearing groove in a sliding manner along the up-down direction; the bending mechanism comprises a bending block and a model block; the bending block is arranged on one side of the bearing groove in a sliding manner; the model block is arranged on one side of the bearing groove and opposite to the bending block; the bending block slides to abut against the lug to contact the model block.

Preferably, the bending mechanism comprises two bending blocks and two model blocks; the two bending blocks are arranged below the bearing groove, and slide oppositely or slide oppositely along the axial direction of the bearing groove; the two model blocks are correspondingly arranged on two sides of the bearing groove in the axial direction.

Preferably, the bending mechanism further comprises a bending driving piece, and the bending driving piece is arranged below the bearing seat; and the bending driving piece is provided with two bending driving shafts, and the bending driving shafts are connected with the bending blocks in a one-to-one correspondence manner.

Preferably, a bending arc surface is arranged on the bending block, a shaping abutting surface is limited on one side of the model block facing the bearing groove, and the bending arc surface is configured to abut against the tab to contact the shaping abutting surface.

Preferably, the shaping abutting surface of the model block is convexly provided with two bulges, and the two bulges and part of the shaping abutting surface are provided with limiting grooves for limiting the rotation of the tab.

Preferably, the shaping device comprises a plurality of said bending mechanisms; correspondingly, the compressing mechanism comprises a plurality of compressing rods, and a plurality of bearing grooves are formed in the bearing seat, wherein the bearing grooves are arranged side by side.

Preferably, the compressing mechanism further comprises a compressing driving piece and a driving connecting rod; the compaction driving piece is provided with a compaction driving shaft which is arranged in a sliding way along the up-down direction, and the driving connecting rod extends along the horizontal direction; one end of the compressing driving shaft is connected with one end of the driving connecting rod, and the other end of the driving connecting rod is connected with the compressing rod.

Preferably, the upper end of the pressing rod is slidably connected with the driving connecting rod, and an elastic buffer member is arranged between the lower end of the pressing rod and the driving connecting rod.

Preferably, the pressing driving member includes a rotary cylinder.

Preferably, one side of the carrying groove is further provided with an in-place detection member, and the in-place detection member is configured to detect whether the battery is arranged in the carrying groove.

The application provides a battery tab shaping device, compares with prior art, and its beneficial effect lies in:

the battery can be placed in the bearing groove on the bearing seat, and the pressing rod can slide downwards to press the battery, so that the battery is prevented from moving; the bending block slides to be abutted against the lug at the end part of the battery to push the lug to be contacted with the model block, and the lug is bent by matching the bending block with the model block so as to reshape the lug; this application can replace the manual work, carries out the plastic to the utmost point ear of battery tip, and plastic efficient, and can guarantee that the shape of utmost point ear after the plastic is unanimous to follow-up welding work.

Drawings

In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, a brief description will be given below of the drawings that are needed in the embodiments or the prior art descriptions, and it is obvious that the drawings in the following description are some embodiments of the present application, and that other drawings can be obtained according to these drawings without inventive effort for a person skilled in the art. In addition, in the drawings, like parts are designated with like reference numerals and the drawings are not drawn to actual scale.

Fig. 1 is a schematic structural diagram of a battery tab shaping device according to an embodiment of the present application;

FIG. 2 is a schematic view of the bending mechanism of the shaping device shown in FIG. 1;

FIG. 3 is a cross-sectional view of section A-A of FIG. 2;

FIG. 4 is an enlarged view of area B of FIG. 3;

FIG. 5 is a schematic view of the bending block and shaping block of the shaping device shown in FIG. 1;

FIG. 6 is a schematic view of a compression drive of the shaping device shown in FIG. 1;

FIG. 7 is a schematic diagram of a battery tab prior to shaping;

FIG. 8 is a schematic view of a shaped battery tab;

reference numerals illustrate:

1. a compressing mechanism; 11. a bearing seat; 111. a carrying groove; 12. a pressing rod; 13. compressing the driving piece; 14. a drive connection rod; 15. compressing the driving shaft; 16. an elastic buffer member; 17. an in-place detection member; 2. a bending mechanism; 21. bending the block; 211. bending the arc surface; 22. a model block; 221. shaping the abutting surface; 222. a limit groove; 23. bending the driving piece; 24. bending the driving shaft; 3. a battery; 31. and a tab.

Detailed Description

For the purposes of making the objects, technical solutions and advantages of the embodiments of the present application more clear, the technical solutions of the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is apparent that the described embodiments are some embodiments of the present application, but not all embodiments. All other embodiments, which can be made by one of ordinary skill in the art without undue burden from the present disclosure, are within the scope of the present application based on the embodiments herein.

As shown in fig. 1 to 8, the embodiment of the present application proposes a battery tab shaping device configured to bend a tab 31 at an end of a battery 3, the shaping device including a pressing mechanism 1 and a bending mechanism 2; the compressing mechanism 1 comprises a bearing seat 11 and a compressing rod 12; the bearing seat 11 is provided with a bearing groove 111 for bearing the battery 3; the pressing rod 12 is slidably disposed above the bearing groove 111 in the up-down direction; the bending mechanism 2 comprises a bending block 21 and a model block 22; the bending block 21 is slidably disposed at one side of the bearing groove 111; the model block 22 is arranged at one side of the bearing groove 111 and is opposite to the bending block 21; the bending block 21 slides to abut against the tab 31 to the contact model block 22.

Based on the above technical solution, the battery 3 may be placed in the bearing groove 111 on the bearing seat 11, and the pressing rod 12 may slide downward to press the battery 3, so as to prevent the battery 3 from moving; the bending block 21 slides to abut against the lug 31 at the end of the battery 3 to push the lug 31 to contact with the model block 22, the lug 31 is bent by matching the bending block 21 with the model block 22, so that the lug 31 is shaped (see fig. 8), after shaping is finished, the bending block 21 slides in the opposite direction to be far away from the model block 22, and the pressing rod 12 slides upwards to release the pressing of the battery 3, so that a manipulator or a person can conveniently take the battery 3; this application can replace the manual work, carries out the plastic to the utmost point ear 31 of battery 3 tip, and plastic efficient, and can guarantee that the shape of utmost point ear 31 after the plastic is unanimous to follow-up welding work.

Generally, the tabs 31 are assembled at two ends of the battery 3, such as the lithium battery 3, where the bending mechanism 2 of the present application includes two bending blocks 21 and two model blocks 22, the two bending blocks 21 are disposed below the bearing groove 111, and the two bending blocks 21 slide back to back or slide opposite to each other along the axial direction of the bearing groove 111, the two model blocks 22 are correspondingly disposed at two sides of the axial direction of the bearing groove 111, and the two bending blocks 21 slide in opposite directions at the same time to cooperate with the respective model blocks 22, and shape the tabs 31 at two ends of the battery 3, so that the forces at two ends of the battery 3 are equal and opposite in direction, thereby avoiding movement of the battery 3 and affecting the shape of the shaped tabs 31; in addition, the lugs 31 at the two ends of the battery 3 are shaped at the same time, so that the shaping efficiency of the lugs 31 can be increased, and the manufacturing process of the battery 3 can be accelerated.

The model piece 22 of this application includes the model copper piece, and the hardness of model copper piece is suitable, and electric conductivity is good, can derive the electric charge on the utmost point ear 31, avoids when the plastic, and electric charge accumulation is in utmost point ear 31 department, influences the stability of utmost point ear 31.

The bending mechanism 2 further comprises a bending driving piece 23, wherein the bending driving piece 23 is arranged below the bearing seat 11, the bending driving piece 23 is provided with two bending driving shafts 24, the bending driving shafts 24 are connected with the bending blocks 21 in a one-to-one correspondence manner, and the bending driving piece 23 can simultaneously drive the two bending blocks 21 to slide so as to carry out shaping work on the pole lugs 31; the bending driving piece 23 comprises a clamping jaw air cylinder, the clamping jaw air cylinder is provided with two driving shafts (clamping jaws), and the power of the two driving shafts can be well transmitted to the bending block 21, so that the clamping jaw air cylinder does not need to be subjected to structural improvement, and the manufacturing period of the device can be saved; in addition, adopt clamping jaw cylinder can guarantee the compact structure of bending mechanism 2 of this application, can not occupy too big space.

Specifically, the bending block 21 is provided with a bending arc surface 211, one side of the model block 22 facing the bearing groove 111 is defined with a shaping abutting surface 221, the bending arc surface 211 is configured from the abutting tab 31 to the contact shaping abutting surface 221, and the bending arc surface 211 is matched with the shaping abutting surface 221 to shape the tab 31 into a required shape; the bending arc surface 211 can be processed and manufactured on the upper side of the bending block 21 through a rounding process, and the shape of the bending arc surface 211 can be correspondingly changed according to actual requirements; alternatively, it will be understood that the bending block 21 of the present application may be used as a fitting, and the bending block 21 of different specifications may be replaced on the driving shaft of the jaw cylinder according to actual needs, so as to shape the tab 31 into a desired shape.

Further, the shaping abutting surface 221 of the model block 22 is convexly provided with two protrusions, and the two protrusions and a part of the shaping abutting surface 221 are provided with limiting grooves 222 for limiting the rotation of the tab 31, so that the rotation of the tab 31 due to the stress of the battery 3 or the tab 31 is prevented when the tab 31 is shaped, and the shaping work of the tab 31 can be smoothly performed; the two bulges are also provided with inclined planes which incline from bottom to top and are far away from the bearing groove 111, so that the battery 3 is conveniently placed in the bearing groove 111, one end of the tab 31 is positioned in the limit groove 222, and the tab 31 is prevented from touching the side wall of the limit groove 222, so that the tab 31 is bent according to other shapes.

The distance between the model block 22 and the carrying groove 111 can be changed to change the shape of the shaped tab 31, and in general, the model block 22 is mounted on one side of the carrying groove 111 by screws, so that the distance between the model block 22 and the carrying groove 111 can be changed by adding or reducing shims.

In this application, in order to further accelerate the shaping process of the tab 31, the shaping device includes a plurality of bending mechanisms 2, corresponding to which, the compressing mechanism 1 includes a plurality of compressing rods 12, and a plurality of carrying grooves 111 are formed on the carrying seat 11, wherein the carrying grooves 111 are arranged side by side, the compressing rods 12 are slidably arranged above the carrying grooves 111 in a one-to-one correspondence manner, and the bending mechanisms 2 are arranged at one side of the carrying grooves 111 in a one-to-one correspondence manner; preferably, two bending mechanisms 2 are selected and two pressing rods 12 are selected for the pressing mechanism 1, so that two bearing grooves 111 are correspondingly formed on the bearing seat 11.

Insulation is typically applied between the mold blocks 22 of the different bending mechanisms 2 to prevent the formation of a circuit between these mold blocks 22, which would affect the stability of the internal structure of the battery 3.

The compressing mechanism 1 further comprises a compressing driving piece 13 and a driving connecting rod 14, wherein the compressing driving piece 13 is provided with a compressing driving shaft 15 which is arranged in a sliding way along the up-down direction, the driving connecting rod 14 extends along the horizontal direction, one end of the compressing driving shaft 15 is connected with one end of the driving connecting rod 14, and the other end of the driving connecting rod 14 is connected with the compressing rod 12, and the compressing driving piece 13 can drive the compressing rod 12 to slide up and down so as to compress the battery 3 in the bearing groove 111 or release the compression of the battery 3 in the bearing groove 111; the compressing driving shaft 15 of the present application is slidably disposed along the up-down direction, and the driving connecting rod 14 extends along the horizontal direction, so that the compressing rod 12 does not interfere with the action of taking and placing the battery 3 when the battery 3 is placed on the carrying groove 111 or taken from the carrying groove 111, i.e. the manipulator or the manual work is not hindered to take and place the battery 3 on the carrying groove 111.

In the present application, the upper end of the compression rod 12 is slidably connected with the driving connection rod 14, and an elastic buffer 16 is disposed between the lower end of the compression rod 12 and the driving connection rod 14, when the compression rod 12 compresses the battery 3, the compression rod 12 receives the reaction force of the battery 3 and drives the elastic buffer 16 to deform, so that the compression rod 12 slides upwards relative to the driving connection rod 14, and the compression rod 12 can be prevented from crushing the battery 3, such as causing deformation of the housing of the battery 3; the elastic buffer 16 of the present application comprises a spring; the lower end of the pressing rod 12 is also provided with a buffer and insulating pad to further prevent the battery 3 from being damaged and prevent a circuit from being formed between the battery 3 and the pressing rod 12, thereby affecting the stability of the internal structure of the battery 3.

The compressing driving piece 13 comprises a rotary cylinder, the rotary cylinder can drive the compressing rod 12 to rotate and drive the compressing rod 12 to slide up and down, and when the compressing rod 12 is driven to rotate, the compressing rod 12 can be far away from the bearing groove 111 so as to conveniently take the discharge cell 3 out of the bearing groove 111; the rotary cylinder compresses the driving shaft 15 and the driving connecting rod 14, so that the driving connecting rod 14 does not need to be additionally arranged, and the manufacturing period of the device is shortened.

An in-place detecting member 17 is further disposed at one side of the carrying groove 111, and the in-place detecting member 17 is configured to detect whether the battery 3 is in the carrying groove 111, so as to facilitate the shaping work of the tab 31; here, when the battery 3 is placed on the carrying groove 111, the posture of the battery 3 is required, that is, the tab 31 of the battery 3 extends directly downward, so that the tab 31 can be accurately located between the bending block 21 and the model block 22, and therefore, the present application can cooperate with the existing orientation device of the tab 31 of the battery 3 to orient the tab 31 of the battery 3, or a detecting element is added to the device to detect the position of the tab 31 of the battery 3, so as to shape the tab 31 subsequently.

It should be noted that references in the specification to "one embodiment," "an example embodiment," "some embodiments," etc., indicate that the embodiment described may include a particular feature, structure, or characteristic, but every embodiment may not necessarily include the particular feature, structure, or characteristic. Moreover, such phrases are not necessarily referring to the same embodiment. Furthermore, when a particular feature, structure, or characteristic is described in connection with an embodiment, it is submitted that it is within the knowledge of one skilled in the art to effect such feature, structure, or characteristic in connection with other embodiments whether or not explicitly described.

It should be readily understood that the terms "on … …", "above … …" and "above … …" in this disclosure should be interpreted in the broadest sense such that "on … …" means not only "directly on something", but also includes "on something" with intermediate features or layers therebetween, and "above … …" or "above … …" includes not only the meaning "on something" or "above" but also the meaning "above something" or "above" without intermediate features or layers therebetween (i.e., directly on something).

Further, spatially relative terms, such as "below," "beneath," "above," "over," and the like, may be used herein for ease of description to describe one element or feature's relationship to another element or feature as illustrated. Spatially relative terms are intended to encompass different orientations of the device in use or operation in addition to the orientation depicted in the figures. The device may have other orientations (rotated 90 degrees or at other orientations), and the spatially relative descriptors used herein interpreted accordingly.

It should be noted that in this document, relational terms such as "first" and "second" and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising one … …" does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises the element.

Finally, it should be noted that: the above embodiments are only for illustrating the technical solution of the present application, and not for limiting the same; although the present application has been described in detail with reference to the foregoing embodiments, it should be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some or all of the technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit of the corresponding technical solutions from the scope of the technical solutions of the embodiments of the present application.

Claims (10)

1. The battery tab shaping device is configured to bend a tab at the end part of a battery and is characterized by comprising a pressing mechanism and a bending mechanism;

the compressing mechanism comprises a bearing seat and a compressing rod;

the bearing seat is provided with a bearing groove for bearing the battery;

the pressing rod is arranged above the bearing groove in a sliding manner along the up-down direction;

the bending mechanism comprises a bending block and a model block;

the bending block is arranged on one side of the bearing groove in a sliding manner;

the model block is arranged on one side of the bearing groove and opposite to the bending block;

the bending block slides to abut against the lug to contact the model block.

2. The battery tab shaping device of claim 1 wherein the bending mechanism comprises two bending blocks and two model blocks;

the two bending blocks are arranged below the bearing groove, and slide oppositely or slide oppositely along the axial direction of the bearing groove;

the two model blocks are correspondingly arranged on two sides of the bearing groove in the axial direction.

3. The battery tab shaping device of claim 2 wherein the bending mechanism further comprises a bending drive disposed below the carrier;

and the bending driving piece is provided with two bending driving shafts, and the bending driving shafts are connected with the bending blocks in a one-to-one correspondence manner.

4. The battery tab shaping device according to claim 1, wherein a bending arc surface is provided on the bending block, a shaping abutment surface is defined on a side of the model block facing the carrying groove, and the bending arc surface is configured to abut against the tab to contact the shaping abutment surface.

5. The battery tab shaping device of claim 4 wherein the mold block has two protrusions protruding from the shaping abutment surface, the two protrusions and a portion of the shaping abutment surface forming a limiting groove for limiting rotation of the tab.

6. The battery tab shaping device of claim 1 wherein the shaping device comprises a plurality of the bending mechanisms;

correspondingly, the compressing mechanism comprises a plurality of compressing rods, and a plurality of bearing grooves are formed in the bearing seat, wherein the bearing grooves are arranged side by side.

7. The battery tab shaping device of claim 1 wherein the hold-down mechanism further comprises a hold-down drive and a drive connection rod;

the compaction driving piece is provided with a compaction driving shaft which is arranged in a sliding way along the up-down direction, and the driving connecting rod extends along the horizontal direction;

one end of the compressing driving shaft is connected with one end of the driving connecting rod, and the other end of the driving connecting rod is connected with the compressing rod.

8. The battery tab shaping device of claim 7 wherein the upper end of the hold-down bar is slidably connected to the drive connecting rod and an elastic buffer is disposed between the lower end of the hold-down bar and the drive connecting rod.

9. The battery tab shaping device of claim 7 wherein the compression drive comprises a rotary cylinder.

10. The battery tab shaping device of claim 1 wherein one side of the carrying slot is further provided with an in-place detection member configured to detect whether the carrying slot has the battery therein.

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