CN206825583U - A stamping device for a die-cutting machine - Google Patents

Abstract

The utility model provides a cross cutting machine stamping device is used for full-automatic cross cutting machine of battery sheet, include: the punching device of the full-automatic die-cutting machine comprises an upper die plate part and a lower die plate part which are arranged oppositely, wherein the lower die plate part is used for carrying battery pole pieces transmitted by an upstream device of the full-automatic die-cutting machine, the upper die plate part is connected with a servo mechanism and punches the battery pole pieces by moving up and down under the action of the servo mechanism, and by the punching device of the die-cutting machine, tool marks corresponding to two battery pole pieces can be formed on a battery pole piece material in the punching process of one battery pole piece, two battery pole pieces are synchronously formed after a subsequent cross cutter is cut off twice, so that the production efficiency of the full-automatic.

Description

A stamping device for a die-cutting machine

technical field

The utility model relates to the field of die-cutting machines, in particular to a stamping device of a die-cutting machine.

Background technique

In the production of lithium batteries, before the battery pole piece is formed, the pole piece die-cutting process will be carried out. In the past, the traditional die-cutting process has fast mold loss and relatively low efficiency, which limits the efficiency of the die-cutting machine and the easy loss of the mold, which makes the die-cutting machine less efficient and wastes a lot of manpower and material resources.

Especially on the existing automatic die-cutting machine, before using the cross-cutting knife to cut the battery pole piece to form a single electrode, it is necessary to punch out the R angle and the shape of the electrode tab on the long rolled battery pole piece with a stamping die in advance. But in the current automatic die-cutting machine, the stamping efficiency of the existing stamping die is low, it is difficult to keep up with the production speed of the automatic die-cutting machine, so designing a die-cutting machine stamping die with high stamping efficiency has become a technology in the art problems that need to be resolved urgently.

Utility model content

The purpose of the utility model is to provide a stamping device for a die-cutting machine to improve the production efficiency of a fully automatic die-cutting machine.

The utility model provides a stamping device for a die-cutting machine, which is used for a fully automatic die-cutting machine for battery pole pieces. The battery pole piece material delivered by the upstream equipment of the automatic die-cutting machine, the upper template part is connected with the servo mechanism, and moves up and down under the action of the servo mechanism to punch the battery pole piece material; the upper template part It includes a first surface opposite to the lower template part, the lower template part includes a second surface opposite to the upper template part, and a strip-shaped rear upper cutter head is provided on one side of the first surface, The opposite side of the strip-shaped rear upper cutter head is provided with two rectangular front upper cutter heads, and the second surface is provided with a rear lower edge for accommodating the rear upper cutter head, and two for accommodating the rear upper cutter head. The front lower edge of the front upper cutter head, the upper template part can punch down the lower template part to punch part of the battery pole piece material on the battery pole piece material, forming the strip-shaped rear upper A first knife mark that matches the shape of the cutter head and two second knife marks that are juxtaposed and match the shape of the rectangular front upper cutter head.

Optionally, the upper formwork part is a rectangular cover plate, each of the four corners of the upper formwork part is provided with an upper formwork guide sleeve passing through the upper formwork part, the lower formwork part is a rectangular cover plate, and the lower formwork part Each of the four corners of the part is provided with a raised lower template guide post, and the upper template part is connected with the servo motor. During the stamping process, the lower template guide post passes through the upper template guide sleeve, so that the upper template part The battery pole piece material can be punched vertically.

Optionally, the stamping device of the die-cutting machine is rectangular, and the four sides of the stamping device of the die-cutting machine include the left and right sides for entering and exiting the electrode sheet and the front and rear sides with cutter heads, and the left and right sides of the upper template part A material lifting roller is also provided on both sides for conveying the battery electrode sheet material.

Optionally, a rectangular pressing plate is provided in the middle of the first surface of the upper mold part, and the surface of the pressing plate is flat, and is used for pressing the battery electrode sheet material during the stamping process.

Optionally, in the lower formwork part, a rear lower waste material opening is provided under the rear lower knife edge, and a front lower waste material opening is provided under the front lower knife edge.

Optionally, a rectangular pole piece supporting plate is provided in the middle of the second surface of the lower template part, and the surface of the pole piece supporting plate is flat, and is used to support the battery pole piece material during the stamping process.

Optionally, the strip-shaped rear upper cutter head forms a chamfer between two battery pole pieces after punching the battery pole piece material.

Optionally, after the two front upper cutter heads punch the battery pole piece material, two second knife marks that are juxtaposed and match the shape of the rectangular front upper cutter head are formed on the battery pole piece material, In the subsequent processing step, the battery pole piece material is transversely cut by a cross-cutting knife along the middle of each second knife mark to form two battery pole pieces with two tabs respectively.

Optionally, the stamping device of the die-cutting machine is rectangular, and the four sides of the stamping device of the die-cutting machine include the left and right sides for entering and exiting the electrode sheet and the front and rear sides with cutter heads, and the left and right sides of the lower template part A material lifting roller is also provided on both sides for conveying the battery electrode sheet material.

Optionally, both the upper formwork part and the lower formwork part are irregular rectangular plates.

Compared with the prior art, the technical solution of the utility model has the following advantages: the punching device of the die-cutting machine provided by the utility model can be used in a fully automatic die-cutting machine, and the punching device of the die-cutting machine can be used for the primary battery pole piece During the stamping process, knife marks corresponding to the two battery pole pieces are formed on the battery pole piece material, and two battery pole pieces are formed synchronously after the subsequent cross-cutting knife cuts twice, which effectively improves the production efficiency of the automatic die-cutting machine .

Description of drawings

Fig. 1 shows the three-dimensional schematic view of a punching device of a die-cutting machine of the present utility model;

Fig. 2 shows a schematic diagram of the upper template part in the stamping device of the die-cutting machine shown in Fig. 1;

Fig. 3 shows a schematic diagram of the lower template part in the stamping device of the die-cutting machine shown in Fig. 1;

FIG. 4 shows a schematic diagram of the battery pole piece stamped by the punching device of the die-cutting machine shown in FIG. 1 .

detailed description

Before explaining the technical solutions of each embodiment of the utility model in detail, the terms and terms involved are explained. It should be noted that in this specification, components with the same name or the same number represent similar or identical structures, and are for illustrative purposes only.

The punching device of the die-cutting machine provided by the utility model is used for a fully automatic die-cutting machine for battery pole pieces. The battery pole piece sent by the upstream equipment of the die-cutting machine, the upper template part is connected with the servo mechanism, and moves up and down under the action of the servo mechanism to stamp the battery pole piece; the upper template part includes the The first surface of the lower template part is oppositely arranged, and the lower template part includes a second surface opposite to the upper template part, and a strip-shaped rear upper cutter head is provided on one side of the first surface, and the strip-shaped Two rectangular front upper cutter heads are arranged on the opposite side of the rear upper cutter head, and a rear lower edge for accommodating the rear upper cutter head and two rear upper cutter heads for accommodating the front upper cutter head are arranged on the second surface. The front lower knife edge, the upper template part can punch down the lower template part to punch a part of the battery pole piece material on the battery pole piece material, forming a shape matching with the strip-shaped rear upper knife head The first knife mark and two second knife marks that are juxtaposed and match the shape of the rectangular front upper knife head. Using the stamping device of this die-cutting machine, knife marks corresponding to two battery pole pieces can be formed on the battery pole piece material during one stamping process of the battery pole piece, and two battery pole pieces can be formed synchronously after the subsequent cross-cutting knife cuts twice. pieces, effectively improving the production efficiency of the automatic die-cutting machine. In order to describe the implementation of the present utility model in detail, please refer to and combine with FIG. 1 to FIG. 4 and the corresponding description.

This embodiment provides a stamping device of a die-cutting machine, and FIG. 1 shows a schematic perspective view of a stamping device of a die-cutting machine in this embodiment. Fig. 2 shows a schematic diagram of the upper template part in the punching device of the die-cutting machine in this embodiment; Fig. 3 shows a schematic diagram of the lower template part in the punching device of the die-cutting machine in this embodiment. As shown in Figures 1 to 3, in this embodiment, the punching device of the die-cutting machine is used for a fully automatic die-cutting machine for battery pole pieces, and the punching device of the die-cutting machine in this embodiment includes: an upper template part 100 and The lower template part 200, the lower template part 200 is used to accept the battery electrode sheet material sent by the upstream equipment of the automatic die-cutting machine, the upper template part 100 is connected with the servo mechanism (not shown), and Under the action of the servo mechanism, the battery pole piece material is punched by moving up and down.

2 and 3, the upper template part 100 includes a first surface 100A opposite to the lower template part 200, and the lower template part 200 includes a second surface 200A opposite to the upper template part A strip-shaped rear upper cutter head 105 is arranged on one side of the first surface 100A, and two rectangular front upper cutter heads 106 are arranged on the opposite side of the strip-shaped rear upper cutter head 105 .

The second surface 200A is provided with a rear lower cutting edge 202 for accommodating the rear upper cutting head, and two front lower cutting edges 203 for accommodating the front upper cutting head 106 .

With reference to FIG. 4 , it shows a schematic diagram of the battery pole pieces stamped by the stamping device of the die-cutting machine in this embodiment. The upper template part 100 can punch down the lower template part 200 to punch out a first knife mark 306 matching the shape of the strip-shaped rear upper cutter head 105 and two juxtaposed and The second knife mark 305 matching the shape of the rectangular front upper knife head 106 .

Using the stamping device of this die-cutting machine, knife marks corresponding to two battery pole pieces can be formed on the battery pole piece material during one stamping process of the battery pole piece, and two battery pole pieces can be formed synchronously after the subsequent cross-cutting knife cuts twice. pieces, effectively improving the production efficiency of the automatic die-cutting machine.

Specifically, please continue to refer to FIG. 4. It should be noted that during the stamping process, before the cross-cutting knife cuts, the battery electrode sheet material is a continuous strip material in the left and right direction shown in FIG. 4, FIG. 4 The left and right edges in only indicate the area subjected to one stamping. In the punching process, after the two front upper cutter heads 106 punch the battery pole piece material, a first knife mark 306 matching the shape of the strip-shaped rear upper cutter head 105 is formed on the battery pole piece material. , and two second knife marks 305 that are juxtaposed and match the shape of the rectangular front upper cutter head, the first knife marks 306 form the chamfer between the two battery pole pieces and the neat edge at the rear of the battery pole piece 302, the waste material 304 produced by punching falls out from the waste material port, and the second knife mark 305 digs out part of the battery pole piece material, and forms the shape of the battery tab at the front of the battery pole piece material.

The two second knife marks 305 are cut off along the over-chamfered cutting line 303 by the cross-cutting knife in the subsequent cutting step of the battery pole piece, that is, the cross-cutting knife is cut along each second knife mark 305 The middle part is cut transversely to form two battery pole pieces with tabs. Due to the high speed of the cross-cutting knife and the slow speed of die stamping, the punching device of the die-cutting machine in this embodiment is used for one stamping, and the cross-cutting knife cuts off both sides and forms two battery pole pieces at the same time, which effectively improves the production efficiency. At the same time, it reduces mold loss and prolongs the grinding time of the mold edge.

Continuing to refer to FIG. 2 , it should be noted that, in this embodiment, the upper formwork part 100 is a rectangular cover plate, and each of the four corners of the upper formwork part is provided with an upper formwork guide sleeve 102 penetrating through the upper formwork part, The lower template part 200 is a rectangular cover plate, and each of the four corners of the lower template part is provided with a raised lower template guide post 201, and the upper template part 100 is connected with a servo motor. During the stamping process, the lower template part The guide post 201 passes through the guide sleeve 102 of the upper formwork, so that the upper formwork part 100 can vertically punch the battery electrode sheet material.

It should be noted that, as shown in the figure, in this embodiment, both the upper formwork part 100 and the lower formwork part 200 are irregular rectangular plates.

In this embodiment, the stamping device of the die-cutting machine is an irregular rectangle, and the four sides of the stamping device of the die-cutting machine include the left and right sides for entering and exiting the battery pole piece material and the front and rear sides with cutter heads. The left and right sides of the upper template part 100 are respectively provided with a lifting roller 103 for transporting the battery pole pieces. However, the present invention is not limited thereto. In other embodiments, the lifting rollers can also be arranged on the left and right sides of the lower formwork.

In this embodiment, a rectangular pressing plate 104 is provided in the middle of the first surface 100A of the upper mold part. The pressing plate 104 has a flat surface and is used to press the battery pole piece during the stamping process.

Please refer to FIG. 3 , in this embodiment, in the lower template part 200 , a rear lower waste opening 204 is provided below the rear lower knife edge 202 , and a front lower waste material opening is provided below the front lower knife edge 203 . 205. The waste material 304 produced by punching the battery pole piece falls out from the front and rear waste material openings of the lower template part 200 .

In this embodiment, the middle of the second surface 200A of the lower template part 200 is provided with a rectangular pole piece supporting plate 206, and the surface of the pole piece supporting plate 206 is flat, and is used to support the battery pole during the punching process. piece.

Although the content of the present utility model has been specifically described in conjunction with preferred embodiments, those skilled in the art can carry out the specific implementation of the present utility model without departing from the spirit and scope of the present utility model defined by the appended claims. Various minor changes, various changes or adjustments can be made to the utility model in terms of form and details, all of which are within the protection scope of the utility model.

Claims (10)

1. A kind of 1. die-cutting machine decompressor, for battery pole piece Full-automatic die cutter, it is characterised in that including：It is oppositely arranged Cope plate part and lower template portion, the lower template portion are used to accept what the Full-automatic die cutter upstream equipment transmission came Battery pole piece material, the cope plate part is connected with servo control mechanism, and is moved up and down in the presence of the servo control mechanism Battery pole piece material described in punching press；The cope plate part includes the first surface being oppositely arranged with the lower template portion, institute The second surface that lower template portion includes being oppositely arranged with the cope plate part is stated, the first surface side is provided with one Upper cutter head after shape, upper cutter head offside is provided with upper cutter head before two rectangles after the bar shaped, and the second surface is used for provided with one Accommodate the rear lower edge of a knife of the rear upper cutter head, and two front lower edges of a knife for being used to accommodate the preceding upper cutter head, the cope plate Part can lower template portion described in punching press downwards to be stamped into the part battery pole sheet material on the battery pole piece material Material, formed it is arranged side by side with upper tip shapes match after the bar shaped the first tool marks and two and with upper slitter capitiform before the rectangle Second tool marks of shape matching.
2. 2. a kind of die-cutting machine decompressor according to claim 1, it is characterised in that the cope plate part is rectangular cap Plate, cope plate part corner are respectively provided with a cope plate guide pin bushing for running through the cope plate part, the lower template portion For rectangle cover plate, the lower template portion corner is respectively provided with a raised lower template guide pillar, the cope plate part and servo Motor connection, in punching course, the lower template guide pillar passes through the cope plate guide pin bushing, enables cope plate part edge Battery pole piece material described in vertical punching press.
3. 3. a kind of die-cutting machine decompressor according to claim 1, it is characterised in that the die-cutting machine decompressor is square Shape, four sides of the die-cutting machine decompressor include being used for the left and right sides for passing in and out electrode slice and the front and rear sides provided with cutter head, The left and right sides of the cope plate part also sets a material lift roller respectively, for transmitting the battery pole piece material.
4. A kind of 4. die-cutting machine decompressor according to claim 1, it is characterised in that the first table of the cope plate part Middle face is provided with the holding pad of rectangle, the holding pad surfacing, for pushing down the battery pole sheet material in punching course Material.
5. A kind of 5. die-cutting machine decompressor according to claim 1, it is characterised in that in the lower template portion, Waste port under after the lower edge of a knife is arranged below after described, front lower waste port is arranged below in the front lower edge of a knife.
6. A kind of 6. die-cutting machine decompressor according to claim 1, it is characterised in that the second table of the lower template portion Middle face is provided with the pole piece supporting plate of rectangle, the pole piece supporting plate surfacing, for battery pole described in the support in punching course Sheet material.
7. 7. a kind of die-cutting machine decompressor according to claim 1, it is characterised in that upper cutter head is in punching press after the bar shaped After the battery pole piece material, the chamfering between two battery pole pieces of formation.
8. 8. a kind of die-cutting machine decompressor according to claim 1, it is characterised in that upper cutter head is in punching press before described two Two are formed after the battery pole piece material, on the battery pole piece material side by side and is matched with upper tip shapes before the rectangle Tool marks, the battery pole piece material forms two in subsequent process steps through middle part transversely cutting of the revolving knife along each tool marks The individual battery pole piece for being respectively provided with two lugs.
9. 9. a kind of die-cutting machine decompressor according to claim 1, it is characterised in that the die-cutting machine decompressor is square Shape, four sides of the die-cutting machine decompressor include being used for the left and right sides for passing in and out electrode slice and the front and rear sides provided with cutter head, The left and right sides of the lower template portion also sets a material lift roller respectively, for transmitting the battery pole piece material.
10. 10. a kind of die-cutting machine decompressor according to claim 1, it is characterised in that the cope plate part and lower mould Plate part is irregular rectangular slab.