CN218532428U

CN218532428U - Pole lug folding device for cylindrical battery cell

Info

Publication number: CN218532428U
Application number: CN202223036651.5U
Authority: CN
Inventors: 曾磊
Original assignee: Chuneng New Energy Co Ltd
Current assignee: Chuneng New Energy Co Ltd
Priority date: 2022-11-15
Filing date: 2022-11-15
Publication date: 2023-02-28
Anticipated expiration: 2032-11-15

Abstract

The utility model discloses a utmost point ear device is rolled over to cylinder electricity core, including fixing the brace table on the carousel plane, brace table one side is fixed with the backup pad, backup pad bottom activity card is equipped with the piece of rolling over the hook of falling L shape, the hook rolls over a bottom surface and is the inclined plane, the hook rolls over a one end and is connected with the second cylinder, second cylinder below is equipped with first cylinder, first cylinder is connected with and pushes away a piece, push away to be equipped with on the piece and roll up the butt head of utmost point ear butt on the core, butt head top surface is parallel with the hook piece bottom surface of rolling over. The utility model discloses can make push away and roll over the piece and hook and roll over the piece and remove to opposite direction simultaneously to can extrude the utmost point ear of rolling up a core top simultaneously through butt head and extrusion piece, can buckle utmost point ear fast, make the process automation of bending, also improved the uniformity that utmost point ear was bent when increasing the efficiency of bending, avoid manual utmost point ear damage diaphragm of bending, reduce the defective rate of product.

Description

Pole lug folding device for cylindrical battery cell

Technical Field

The utility model relates to an electricity core utmost point ear processing technology field, concretely relates to utmost point ear device is rolled over to cylinder electricity core.

Background

At present, most of the negative electrode tabs of cylindrical batteries are welded with a shell in a resistance welding mode, and after winding is finished, the tabs need to be bent before entering the shell, so that the tabs are attached to the bottom of the shell after entering the shell; with the development of automation, the process is gradually automated, but some problems which are difficult to solve still exist.

The biggest shortcoming of the mode that adopts artifical book utmost point ear among the prior art scheme is exactly that efficiency is lower, and the artifical sola gasket that needs to get is placed in electric core bottom, buckles the utmost point ear again and presses on the gasket, and is inefficient, buckles simultaneously and probably harms roll up terminal surface diaphragm under the core by hand for defective products probability greatly increased can't satisfy the utmost point ear processing demand of buckling that corresponds.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a utmost point ear device is rolled over to prior art's defect to the cylinder electricity core.

The utility model provides a following technical scheme:

the utility model provides a utmost point ear device is rolled over to cylinder electricity core, is including fixing the brace table on the carousel plane, brace table one side is fixed with the backup pad, the activity card in backup pad bottom is equipped with the hook of falling L shape and rolls over the piece, the hook rolls over a piece bottom surface and is the inclined plane, the hook rolls over a piece one end and is connected with the second cylinder, second cylinder below is equipped with first cylinder, first cylinder is connected with and pushes away a piece, push away roll over be equipped with on the piece can with roll up the butt head of utmost point ear butt on the core, the butt head top surface is parallel with hook roll over a piece bottom surface.

Furthermore, the hooking block is detachably provided with a squeezing block, and the squeezing block and the bottom surface of the hooking block are in the same plane.

Furthermore, the top of the hooking and folding block is provided with a sliding groove matched with the width of the supporting plate.

Further, the second air cylinder is arranged at the bottom of the supporting plate, and the first air cylinder is arranged on the plane of the rotary table.

Further: the thickness of one end of the abutting joint close to the pole lug is smaller than that of the tail end of the abutting joint.

Furthermore, the bottom surface of the abutting joint head is parallel to the top surface of the winding core.

Furthermore, the vertical distance between the top surface of the abutting joint and the bottom surface of the hook folding block is equal to the thickness of the tab.

Furthermore, an inserting block is fixed on the side face of the extrusion block, the inserting block is correspondingly inserted into a limiting groove on the inner side of the hooking and folding block, and the inserting block is connected to the hooking and folding block through a bolt in a threaded manner.

The utility model has the advantages that: the push-folding block and the hook-folding block can move towards opposite directions simultaneously by matching the first cylinder and the second cylinder, so that the lug at the top of a roll can be extruded simultaneously through the butt joint head and the extrusion block, the lug is quickly bent, the bending process is automated, the bending efficiency is increased, the bending consistency of the lug is improved, the damage to a diaphragm caused by manually bending the lug is avoided, the reject ratio of a product is reduced, the hook-folding block is connected with the supporting plate in a sliding connection mode, the stability of the extrusion block is ensured in the transverse moving process, the consistency of the processing effect is ensured, the processing effect is improved, bolts are adopted as connecting parts, the extrusion block and the hook-folding block are connected, a user can disassemble and assemble the push-folding block and the hook-folding block according to requirements, the push-folding block is conveniently replaced, and the replacement cost of equipment is reduced.

Drawings

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

FIG. 2 is a schematic view of the front view structure of the present invention;

fig. 3 is a schematic view of the tab folding state of the present invention;

FIG. 4 is a schematic view of the connection structure of the extrusion block and the hooking and folding block of the present invention;

wherein: 1-supporting plate, 2-hooking block, 3-tab, 4-winding core, 5-pushing block, 6-first cylinder, 7-turntable plane, 8-supporting table, 9-pull rod, 10-second cylinder, 11-extrusion block, 12-abutting head, 13-chute, 14-insertion block, 15-bolt and 16-inclined rolling slope.

Detailed Description

In order to make the technical problems, technical solutions and advantageous effects to be solved by the present application clearer, the present application is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of and not restrictive on the broad application.

It will be understood that when an element is referred to as being "secured to" or "disposed on" another element, it can be directly on the other element or be indirectly on the other element. When an element is referred to as being "connected to" another element, it can be directly connected to the other element or be indirectly connected to the other element.

It will be understood that the terms "length," "width," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like, refer to an orientation or positional relationship illustrated in the drawings for convenience in describing the present application and to simplify description, and do not indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the present application.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present application, "a plurality" means two or more unless specifically limited otherwise.

Reference throughout this specification to "one embodiment" or "some embodiments," or the like, means that a particular feature, structure, or characteristic described in connection with the embodiment is included in one or more embodiments of the present application. Thus, appearances of the phrases "in one embodiment," "in some embodiments," "in other embodiments," or the like, in various places throughout this specification are not necessarily all referring to the same embodiment, but rather mean "one or more but not all embodiments" unless specifically stated otherwise. The terms "comprising," "including," "having," and variations thereof mean "including, but not limited to," unless expressly specified otherwise. "plurality" means "two or more".

Fig. 1 to 4 show a schematic structural diagram of a cylindrical battery cell tab folding device according to a preferred embodiment of the present application, and for convenience of description, only parts related to the present embodiment are shown, which are detailed as follows:

the utility model provides a utmost point ear device is rolled over to cylinder electricity core, including fixing the brace table 8 on carousel plane 7, brace table 8 one side is fixed with backup pad 1, 1 bottom activity card in backup pad is equipped with the hook of falling L shape and rolls over

piece

2, 2 bottom surfaces of hook roll-over piece are the inclined plane, 2 one end of hook roll-over piece is connected with second cylinder 10, second cylinder 10 below is equipped with first cylinder 6, first cylinder 6 is connected with and pushes away a 5, it can with roll up the butt head 12 of 3 butts of utmost point ear on core 4 to push away to roll over 5, the butt head 12 top surface is parallel with 2 bottom surfaces of hook roll-over piece.

Concretely, the hook is rolled over the bottom surface of piece 2 and is higher than the first 12 top surface certain distances of butt, buckle utmost point ear 3 under both effects, use through the cooperation of first cylinder 6 and second cylinder 10, can make to push away and roll over piece 5 and hook and roll over piece 2 and remove to opposite direction simultaneously, thereby can extrude the utmost point ear 3 at core 4 top of rolling up simultaneously through butt head 12 and extrusion piece 11, buckle utmost point ear 3 fast, make the process automation of bending, the uniformity that utmost point ear 3 bent has also been improved when increasing bending efficiency, avoid manual utmost point ear 3 damage diaphragm of bending, the defective rate of product has been reduced.

Furthermore, the top of the hooking and folding block 2 is provided with a sliding groove 13 matched with the width of the supporting plate 1, the hooking and folding block 2 is connected with the supporting plate 1 in a sliding connection mode, and the stability of the extrusion block is guaranteed in the transverse moving process of the extrusion block 11, so that the consistency of the processing effect is guaranteed, and the processing effect is improved.

Further, the second cylinder 10 is arranged at the bottom of the supporting plate 1, the first cylinder 6 is arranged below the second cylinder 10, the first cylinder 6 is arranged on the turntable plane 7, specifically, the first cylinder 6 is fixedly connected with the push-folding block 5 through a connecting piece, and the second cylinder 10 is fixedly connected with the hook-folding block 2 through a pull rod 9. The first cylinder 6 and the second cylinder 10 respectively drive the push-folding block 5 and the hook-folding block 2 to move transversely along the bottom of the support plate 1.

Furthermore, an extrusion block 11 is detachably mounted on the hooking block 2, the bottom surfaces of the extrusion block 11 and the hooking block 2 are in the same plane, and the bottom surfaces of the extrusion block 11 and the hooking block 2 are designed into a rolling inclined surface 16, in the process that the extrusion block 11 and the hooking block 2 move transversely and synchronously, the rolling inclined surface 16 is in contact with the side surface of the tab 3, and the tab 3 is gradually bent under the action of the rolling inclined surface 16.

Further, the thickness of the end, close to the tab 3, of the abutting head 12 is smaller than that of the tail end of the tab, specifically, the upper surface of the abutting head 12 is parallel to the inclined rolling surface 16 of the extrusion block 11, a bending area is formed between the abutting head and the extrusion block, so that the tab is formed between the abutting head and the extrusion block, the bottom surface of the abutting head 12 is parallel to the top surface of the winding core 4, and the abutting head 12 is convenient to abut against the tab 3.

Further, 11 sides of the extrusion block are fixed with an insertion block 14, the insertion block 14 is correspondingly inserted into an inner limiting groove of the hook folding block 2, the side of the insertion block 14 is in threaded connection with a bolt 15, the bolt 15 is adopted as a connecting part, the extrusion block 11 is connected with the hook folding block 2, a user can disassemble and assemble the extrusion block 11 according to requirements, the extrusion block 11 is convenient to replace, and the replacement cost of the equipment is reduced.

Further, the thread part of the bolt 15 is movably inserted into the through hole on the side surface of the hook folding block 2, the bolt head of the bolt 15 abuts against the end part of the through hole, and when the hook folding block works, the bolt 15 can be driven to integrally rotate by rotating the bolt head, so that the bolt is fixed or separated from the insertion block 14.

During specific work, after a winding core moves to the working procedure, the first cylinder 6 pushes the pushing and folding block 5 to move to a limiting position, the tip end of the abutting head 12 abuts against one side of the tab 3 from the side surface, the second cylinder 10 pulls the hooking and folding block 2 to slide on the supporting plate 1, the extrusion block 11 gradually contacts with the tab 3, the other end of the tab 3 is limited by the abutting head 12, the extrusion block 11 continues to move to bend the tab 3, the bending effect is shown in fig. 3, then the first cylinder 6 pulls the pushing and folding block 5 to move to the original position, meanwhile, the second cylinder 10 pushes the hooking and folding block 2 to slide on the supporting plate 1 to return to the original position, a tab bending flow is completed once, the next battery core is moved to the working position, the actions are repeated, the purpose of assembly line type processing is achieved, and the large-scale tab bending efficiency is effectively improved.

The above-mentioned embodiments are only used for illustrating the technical solutions 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 solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications and substitutions do not substantially depart from the spirit and scope of the embodiments of the present application and are intended to be included within the scope of the present application.

Claims

1. The utility model provides a utmost point ear device is rolled over to cylinder electricity core which characterized in that: including fixing brace table (8) on carousel plane (7), brace table (8) one side is fixed with backup pad (1), backup pad (1) bottom activity card is equipped with the book piece (2) of falling the L shape, book piece (2) bottom surface is the inclined plane, book piece (2) one end and second cylinder (10) are connected, second cylinder (10) below is equipped with first cylinder (6), first cylinder (6) are connected with and push away a piece (5), push away and be equipped with on a piece (5) can with roll up butt head (12) of utmost point ear (3) butt on core (4), butt head (12) top surface is parallel with book piece (2) bottom surface.

2. The pole lug folding device for the cylindrical battery cell of claim 1, wherein: the hook folding block (2) is detachably provided with an extrusion block (11), and the extrusion block (11) and the bottom surface of the hook folding block (2) are in the same plane.

3. The cylindrical cell tab folding device according to claim 1 or 2, characterized in that: the top of the hooking and folding block (2) is provided with a sliding chute (13) which is matched with the width of the supporting plate (1).

4. The pole lug folding device for the cylindrical battery cell of claim 1, wherein: the second air cylinder (10) is arranged at the bottom of the supporting plate (1), and the first air cylinder (6) is arranged on the turntable plane (7).

5. The pole lug folding device for the cylindrical battery cell of claim 1, wherein: the thickness of one end of the abutting joint head (12) close to the pole lug (3) is smaller than that of the tail end of the pole lug.

6. The pole lug folding device for the cylindrical battery cell of claim 5, wherein: the bottom surface of the abutting joint head (12) is parallel to the top surface of the winding core (4).

7. The pole lug folding device for the cylindrical battery cell of claim 1, wherein: the vertical distance between the top surface of the abutting joint head (12) and the bottom surface of the hooking and folding block (2) is equal to the thickness of the pole lug (3).

8. The pole lug folding device for the cylindrical battery cell of claim 2, wherein: the side face of the extrusion block (11) is fixed with an insertion block (14), the insertion block (14) is correspondingly inserted into a limiting groove on the inner side of the hook folding block (2), and the insertion block (14) is connected to the hook folding block (2) in a threaded mode through a bolt (15).