CN216989503U

CN216989503U - Lithium battery cover plate full-bright belt stamping die structure

Info

Publication number: CN216989503U
Application number: CN202220869493.2U
Authority: CN
Inventors: 张兵见; 刘威
Original assignee: Zhengzhou Guangyuan Battery Material Co ltd
Current assignee: Zhengzhou Guangyuan Battery Material Co ltd
Priority date: 2022-04-15
Filing date: 2022-04-15
Publication date: 2022-07-19
Anticipated expiration: 2032-04-15

Abstract

The utility model discloses a full-bright belt stamping die structure of a lithium battery cover plate, belongs to the technical field of battery cover plate production, and solves the technical problem that parts of a stamping die need to be frequently replaced in the production process of a shear surface full-bright belt. The material belt punching die comprises an upper die base and a lower die base, wherein the upper die base and the lower die base are arranged in an upper-lower corresponding mode, a first punching component used for performing preliminary punching on a material belt, a second punching component used for performing deformation punching on the material belt and a third punching component used for dropping a finished product of the material belt are sequentially and correspondingly arranged between the upper die base and the lower die base from left to right. The die-cut subassembly of second is after and before being located the die-cut subassembly of third, be provided with half on upper die base and the die holder and cut the die-cut subassembly, half cut the die-cut subassembly include with the upper die base be connected half cut go up the mould and with the die holder be connected half cut the lower mould, half cut go up the inside half cut drift that is equipped with of mould, half cut the inside half cut die cavity that is equipped with and half cuts the drift corresponding of lower mould.

Description

Lithium battery cover plate full-bright belt stamping die structure

Technical Field

The utility model belongs to the technical field of battery cover plate production, and particularly relates to a full-bright belt stamping die structure of a lithium battery cover plate.

Background

In the production and processing process of the lithium battery cover plate, the shearing surface of the lithium battery cover plate has the requirement of a full bright band, the conventional stamping die is usually used for reducing the blanking gap so that the shearing surface can reach the bright requirement, but the effect is not ideal, the full bright shearing surface is difficult to generate, and along with the abrasion of a blanking knife edge, the bright shearing surface is more unobvious and is time-consuming, and the effect of processing the full bright band is poor. Therefore, the blanking punch and the blanking edge need to be frequently replaced, so that the loss of the die parts is increased, and the production and manufacturing cost of the product is higher due to frequent replacement of the die parts. The problem that in the prior art, a bright strip on a shearing surface of a stamping product is difficult to produce, and a shearing punch and a knife edge are worn quickly and need to be replaced frequently is solved. The need is to provide a stamping die structure capable of realizing the full-bright zone of the shearing face of the stamping part so as to achieve the purpose of the full-bright zone of the shearing face of the stamping product.

SUMMERY OF THE UTILITY MODEL

The utility model aims to overcome the defects of the prior art, provides a stamping die structure for a full-bright belt of a lithium battery cover plate, and solves the technical problem that parts of the stamping die need to be frequently replaced in the production process of the full-bright belt of a shearing surface.

The purpose of the utility model is realized as follows: a full-bright belt stamping die structure of a lithium battery cover plate comprises an upper die base and a lower die base, wherein the upper die base and the lower die base are arranged in an up-down corresponding manner, a first punching component for performing primary punching on the material belt, a second punching component for performing deformation punching on the material belt, and a third punching component for performing falling punching on a finished material belt product are sequentially and correspondingly arranged between the upper die holder and the lower die holder from left to right, after the second punching component and before the third punching component, the upper die holder and the lower die holder are provided with semi-shearing punching components, the half-shear punching component comprises a half-shear upper die connected with the upper die base and a half-shear lower die connected with the lower die base, a half-shearing punch is arranged inside the half-shearing upper die, a half-shearing cavity corresponding to the half-shearing punch is arranged inside the half-shearing lower die, and the half-shearing cavity is used for accommodating a product on a material belt; the size of the lower end of the half-shear punch is larger than that of the upper end of the half-shear cavity, the size of the lower end of the half-shear punch is 0.19-0.21 mm larger than that of the single side of the upper end of the half-shear cavity, and the half-shear punch downwards punches to the position 19-21% of the thickness of a punched product.

Further, the lower end of the half-shearing punch is 0.2mm larger than the single side at the upper end of the half-shearing cavity; the half-shear punch is downwards punched to a position of 20% of the thickness of a product to be punched.

Furthermore, the upper end of the upper die base is connected with an upper cover plate, the lower end of the upper die base is connected with an upper base plate, the lower end of the upper base plate is connected with an upper clamping plate, the lower end of the upper clamping plate is connected with a stop plate, and the lower end of the stop plate is connected with a stripper plate.

Further, the lower end of the lower die base is connected with a lower pad, and the lower end of the lower pad is connected with a lower supporting plate; and the upper end of the lower die base is connected with a lower die plate corresponding to the stripper plate.

Furthermore, the upper die base is connected with an upper rebound assembly, the upper rebound assembly comprises an upper spring, the lower end of the upper spring is connected with a top pin, and the top pin is in a hollow cylindrical shape.

Furthermore, the lower die holder is connected with a lower rebound assembly, and the lower rebound assembly corresponds to the upper rebound assembly.

Further, the lower resilience assembly comprises a top pin fixedly connected to the lower die base, a lower spring is arranged at the bottom of the top pin, and the lower end of the lower spring is connected with the lower die base through a stop screw.

Furthermore, the upper end of the upper cover plate is fixedly connected with an upper table top of the punch press. The lower end of the lower supporting plate is fixedly connected with the lower table top of the punch press.

The utility model has the beneficial effects that: and arranging half-shearing punching assemblies on the upper die base and the lower die base after the second punching assembly process and before the third punching assembly process. The semi-shearing punching assembly is utilized to perform one-time incomplete punching on a product before the product is punched by the third punching assembly, so that the product and the material belt have certain connection thickness, and the gap between the semi-shearing punch and the semi-shearing cavity blade of the semi-shearing lower die is larger, so that the abrasion of die parts can be reduced. And finally, completely cutting off the product under the action of the punch of the third punching component, wherein at the moment, the gap between the punching punch of the third punching component and the cavity of the third punching component is smaller, so that the effect that the final punching piece has a full-bright strip can be achieved, the consumption of the die for the cavity is low, the loss of the die part is reduced, the updating frequency of parts is reduced, and the manufacturing cost is reduced. Meanwhile, the time for replacing parts is saved, and the production efficiency is improved.

Drawings

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

FIG. 2 is a schematic view of a half shear blanking assembly of the present invention;

FIG. 3 is an enlarged view of A in FIG. 2 according to the present invention.

In the figure: 1. the device comprises an upper cover plate 2, an upper die base 3, an upper backing plate 4, an upper clamping plate 5, a stop plate 6, a stripper plate 7, a material belt 8, a lower die plate 9, a lower backing plate 10, a lower die base 11, a lower backing foot 12, a lower supporting plate 13, an upper spring 14, a top pin 15, a lower resilience assembly 16, a dual-purpose pin 17, a product 18, a blanking cavity 19, a blanking punch 20, a half-shearing punch 21 and a half-shearing cavity.

Detailed Description

The present invention is further described with reference to the drawings, it should be noted that all the directional terms appearing in the present invention, such as up, down, front, back, left and right, are directional terms made with reference to fig. 1, and all the directional terms are not intended to limit the present invention, but are only intended to more clearly describe and explain the present invention.

Example 1

As shown in fig. 1 to 3, the present embodiment discloses a full-bright belt stamping die structure for a lithium battery cover plate, which includes an upper die base 2 and a lower die base 10, wherein the upper die base 2 and the lower die base 10 are arranged in an up-down corresponding manner. The punching die comprises an upper die base 2, a lower die base 10, a first punching component, a second punching component and a third punching component, wherein the first punching component is used for performing primary punching on a material belt 7, the second punching component is used for performing deformation punching on the material belt 7, and the third punching component is used for dropping and punching a finished product of the material belt 7. After the process of the die-cut subassembly of second and before being located the process of the die-cut subassembly of third, be provided with half on upper die base 2 and the die holder 10 and cut the die-cut subassembly, half cut the die-cut subassembly including the half cut of being connected with upper die base 2 go up the mould and the half cut of being connected with the die holder 10 lower mould, half cut go up the inside half cut drift 20 that is equipped with of mould, half cut the inside half cut die cavity 21 that is equipped with and half cut drift 20 corresponding of lower mould, half cut die cavity 21 is used for holding the product 17 on the material area 7. The lower end of the half-shear punch 20 is larger than the upper end of the half-shear cavity 21, the lower end of the half-shear punch 20 is 0.19-0.21 mm larger than the single side of the upper end of the half-shear cavity 21, and the half-shear punch 20 is punched to the position 19-21% of the thickness of the product 17 to be punched from top to bottom.

For better effect, the lower end of the half-shear punch 20 is 0.19mm larger than the upper end of the half-shear cavity 21; the half shear punch 20 is punched down to a position 19% of the thickness of the product 17 to be punched.

In this embodiment, after the second punching assembly step and before the third punching assembly step, the upper die holder 2 and the lower die holder 10 are provided with half-shearing punching assemblies. The half-shearing punching assembly is utilized to perform one-time incomplete punching on the product 17 before the product 17 is cut and punched by the third punching assembly, so that the product 17 and the material belt 7 have certain connecting thickness, and the gap between the half-shearing punch 20 and the half-shearing cavity 21 of the half-shearing lower die is larger, thereby reducing the abrasion of die parts. And finally, completely cutting off the product 17 under the action of a punch of the third punching component, wherein the clearance between the blanking punch 19 and the blanking cavity 18 is smaller, so that the effect of shearing a full-bright strip of the final punching part can be achieved, the consumption of the tool setting cavity is low, the loss of the die part is reduced, the updating frequency of parts is reduced, and the manufacturing cost is reduced. Meanwhile, the time for replacing parts is saved, and the production efficiency is improved.

Example 2

As shown in fig. 1 to 3, the present embodiment discloses a full-bright-band stamping die structure for a lithium battery cover plate, which includes an upper die base 2 and a lower die base 10, wherein the upper die base 2 and the lower die base 10 are arranged in an up-down corresponding manner. A first punching component for performing primary punching on the material belt 7, a second punching component for performing deformation punching on the material belt 7 and a third punching component for performing falling punching on a finished product of the material belt 7 are sequentially and correspondingly arranged between the upper die base 2 and the lower die base 10 from left to right. After the process of the die-cut subassembly of second and before being located the process of the die-cut subassembly of third, be provided with half on upper die base 2 and the die holder 10 and cut the die-cut subassembly, half cut the die-cut subassembly including the half cut of being connected with upper die base 2 go up the mould and the half cut of being connected with the die holder 10 lower mould, half cut go up the inside half cut drift 20 that is equipped with of mould, half cut the inside half cut die cavity 21 that is equipped with and half cut drift 20 corresponding of lower mould, half cut die cavity 21 is used for holding the product 17 on the material area 7. The size of the lower end of the half-shear punch 20 is larger than that of the upper end of the half-shear cavity 21, the lower end of the half-shear punch 20 is 0.19-0.21 mm larger than the single side of the upper end of the half-shear cavity 21, and the half-shear punch 20 downwards punches to the position 19-21% of the thickness of the product 17 to be punched.

For better effect, the lower end of the half-shear punch 20 is 0.2mm larger than the upper end of the half-shear cavity 21; the half shear punch 20 is punched down to a position 20% of the thickness of the product 17 to be punched.

For better effect, upper cover plate 1 is installed to the upper end of upper die base 2, and upper padding plate 3 is installed to the lower extreme of upper die base 2, and punch holder 4 is installed to the lower extreme of upper padding plate 3, and backstop 5 is installed to the lower extreme of punch holder 4, and flitch 6 is taken off to the lower extreme of backstop 5 is installed, takes off flitch 6 and is used for the gland at the upper surface in material area 7, and the punching press of the material area 7 of being convenient for is cuted.

For better effect, the lower end of the lower die base 10 is fixedly connected with a lower pad 11, and the lower end of the lower pad 11 is fixedly connected with a lower supporting plate 12; the upper end of the lower die base 10 is provided with a lower backing plate 9, and the upper end of the lower backing plate 9 is provided with a lower die plate 8 corresponding to the stripper plate 6. The lower foot pad 11 plays a role of supporting the lower die holder 10, and meanwhile, the space between the lower supporting plate 12 and the lower die holder 10 is used for collecting residual waste materials which are sheared and dropped on the material belt 7.

For better effect, the upper die base 2 is provided with an upper rebounding assembly, the upper rebounding assembly comprises an upper spring 13, the lower end of the upper spring 13 is connected with a top pin 14, and the top pin 14 is in a hollow cylindrical shape. The lower die holder 10 is provided with a lower rebound assembly 15, and the lower rebound assembly 15 and the upper rebound assembly are arranged correspondingly. The lower resilience assembly 15 comprises a dual-purpose pin 16 fixedly connected to the lower die holder 10, a lower spring is arranged at the bottom of the dual-purpose pin 16, and the lower end of the lower spring is fixedly connected with the upper surface of the lower die holder 10. The arrangement of the upper rebound assembly and the lower rebound assembly 15 enables the upper die base 2 to bear a reverse rebound force during working, and the reverse rebound force is used for assisting in ejecting the blank punched and entering the half shear cavity 21.

For better effect, the upper end of the upper cover plate 1 is used for being fixedly connected with the upper table-board of the punch press. The lower end of the lower supporting plate 12 is used for being fixedly connected with the lower table surface of the punch press. In production, the upper cover plate 1 is fixed to the upper table of a punching machine, and the lower supporting plate 12 is fixed to the lower table of the punching machine. After the die height is adjusted, the material belt 7 is placed on the lower die plate 8, and the punch drives the upper die base 2 to move downwards to remove the material plate 6 and press the material belt 7.

In this embodiment, after the second punching assembly process and before the third punching assembly process, the upper die holder 2 and the lower die holder 10 are provided with half-shear punching assemblies. The half-shearing punching assembly is utilized to perform one-time incomplete punching on the product 17 before the product 17 is punched by the third punching assembly, so that the product 17 and the material belt 7 have certain connecting thickness, and the gap between the half-shearing punch 20 and the cavity edge of the half-shearing cavity 21 of the half-shearing lower die is larger, thereby reducing the abrasion of die parts. And finally, the product 17 is completely cut off under the action of the punch of the third punching component, at the moment, the clearance between the punching punch of the third punching component and the cavity of the third punching component is smaller, so that the effect of cutting a full-bright strip by a final punching part can be achieved, the consumption of the die for the die is small, the loss of die parts is reduced, the updating frequency of parts is reduced, and the manufacturing cost is reduced. Meanwhile, the time for replacing parts is saved, and the production efficiency is improved.

Example 3

As shown in fig. 1 to 3, the present embodiment discloses a full-bright belt stamping die structure for a lithium battery cover plate, which includes an upper die base 2 and a lower die base 10, wherein the upper die base 2 and the lower die base 10 are arranged in an up-down corresponding manner. The punching die comprises an upper die base 2, a lower die base 10, a first punching component, a second punching component and a third punching component, wherein the first punching component is used for performing primary punching on a material belt 7, the second punching component is used for performing deformation punching on the material belt 7, and the third punching component is used for dropping and punching a finished product of the material belt 7. After the process of the die-cut subassembly of second and before being located the process of the die-cut subassembly of third, be provided with half on upper die base 2 and the die holder 10 and cut the die-cut subassembly, half cut the die-cut subassembly including the half cut of being connected with upper die base 2 go up the mould and the half cut of being connected with the die holder 10 lower mould, half cut go up the inside half cut drift 20 that is equipped with of mould, half cut the inside half cut die cavity 21 that is equipped with and half cut drift 20 corresponding of lower mould, half cut die cavity 21 is used for holding the product 17 on the material area 7. The size of the lower end of the half-shearing punch 20 is larger than that of the upper end of the half-shearing cavity 21, the size of the lower end of the half-shearing punch 20 is 0.19-0.21 mm larger than that of the single side of the upper end of the half-shearing cavity 21, and the half-shearing punch 20 downwards punches to the position 19-21% of the thickness of a product 17 to be punched.

For better effect, the lower end of the half-shearing punch 20 is 0.21mm larger than the single side of the upper end of the half-shearing cavity 21; the half shear punch 20 is punched down to a position 21% of the thickness of the product 17 to be punched.

For better effect, the installation is equipped with the resilience subassembly on the upper die base 2, and it includes spring 13 to go up the resilience subassembly, and the lower extreme connection of spring 13 is equipped with knock pin 14, and knock pin 14 is the empty tube-shape. The lower die holder 10 is provided with a lower rebound assembly 15, and the lower rebound assembly 15 and the upper rebound assembly are arranged correspondingly. The lower resilience assembly 15 comprises a dual-purpose pin 16 fixedly connected to the lower die holder 10, a lower spring is arranged at the bottom of the dual-purpose pin 16, and the lower end of the lower spring is fixedly connected with the upper surface of the lower die holder 10. The arrangement of the upper rebound assembly and the lower rebound assembly 15 enables the upper die base 2 to bear a reverse rebound force during working, and the reverse rebound force is used for assisting in ejecting the blank punched and entering the half shear cavity 21.

For better effect, the upper end of the upper cover plate 1 is used for being fixedly connected with the upper table-board of the punch press. The lower end of the lower supporting plate 12 is used for being fixedly connected with the lower table surface of the punch press. In production, the upper cover plate 1 is fixed to the upper table of the punching machine, and the lower supporting plate 12 is fixed to the lower table of the punching machine. After the die height is adjusted, the material belt 7 is placed on the lower die plate 8, and the punch drives the upper die base 2 to move downwards to remove the material plate 6 and press the material belt 7.

In this embodiment, after the second punching assembly process and before the third punching assembly process, the upper die holder 2 and the lower die holder 10 are provided with half-shear punching assemblies. The semi-shearing punching assembly is utilized to perform incomplete punching on a product 17 before the product 17 is punched by the third punching assembly, so that the product 17 and the material belt 7 have certain connecting thickness, and the gap between the semi-shearing punch 20 and the cavity edge of the semi-shearing cavity 21 of the semi-shearing lower die is larger, thereby reducing the abrasion of die parts. And finally, completely cutting off the product 17 under the action of the punch of the third punching component, wherein at the moment, the gap between the punching punch of the third punching component and the cavity of the third punching component is smaller, so that the effect of shearing a full-bright strip by a final punching piece can be achieved, the consumption of the die for the cavity is low, the loss of die parts is reduced, the updating frequency of parts is reduced, and the manufacturing cost is reduced. Meanwhile, the time for replacing parts is saved, and the production efficiency is improved.

Claims

1. The utility model provides a lithium battery cover plate is full bright and is taken stamping die structure, includes upper die base (2) and die holder (10), upper die base (2) with die holder (10) upper and lower correspond the setting, corresponding being provided with in proper order from a left side to the right side between upper die base (2) and die holder (10) and being used for carrying out the first die-cut subassembly of preliminary die-cut, being used for taking (7) to warp die-cut subassembly of second, being used for taking (7) to carry out the die-cut subassembly of third that drops, its characterized in that: after the second punching assembly procedure and before the third punching assembly procedure, a half-shear punching assembly is arranged on the upper die base (2) and the lower die base (10) and comprises a half-shear upper die connected with the upper die base (2) and a half-shear lower die connected with the lower die base (10), a half-shear punch (20) is arranged in the half-shear upper die, a half-shear cavity (21) corresponding to the half-shear punch (20) is arranged in the half-shear lower die, and the half-shear cavity (21) is used for accommodating a corresponding product (17) on a material belt (7); the size of the lower end of the half-shearing punch (20) is larger than that of the upper end of the half-shearing cavity (21), and the size of the lower end of the half-shearing punch (20) is 0.19-0.21 mm larger than that of the single side at the upper end of the half-shearing cavity (21); the half-shear punch (20) downwards punches to a position 19% -21% of the thickness of a product (17) to be punched.

2. The lithium battery cover plate full-bright belt stamping die structure according to claim 1, characterized in that: the lower end of the half-shearing punch (20) is 0.2mm larger than the single side of the upper end of the half-shearing cavity (21); the half-shear punch (20) punches downwards to a position of 20% of the thickness of a product (17) to be punched.

3. The lithium battery cover plate full-bright belt stamping die structure according to claim 2, characterized in that: the upper end of upper die base (2) is connected and is equipped with upper cover plate (1), and the lower extreme connection of upper die base (2) is equipped with upper padding plate (3), the lower extreme connection of upper padding plate (3) is equipped with punch holder (4), the lower extreme connection of punch holder (4) is equipped with backstop board (5), the lower extreme connection of backstop board (5) is equipped with takes off flitch (6).

4. The lithium battery cover plate full-bright strip stamping die structure according to claim 3, characterized in that: the lower end of the lower die base (10) is connected with a lower pad (11), and the lower end of the lower pad (11) is connected with a lower supporting plate (12); the upper end of the lower die base (10) is connected with a lower backing plate (9), and the upper end of the lower backing plate (9) is connected with a lower die plate (8) corresponding to the stripper plate (6).

5. The lithium battery cover plate full-bright strip stamping die structure according to claim 1, characterized in that: the upper die base (2) is connected and is equipped with the subassembly that kick-backs, it includes spring (13) to go up the subassembly that kick-backs, the lower extreme of going up spring (13) is connected and is equipped with knock pin (14), knock pin (14) are empty tube-shape.

6. The lithium battery cover plate full-bright belt stamping die structure according to claim 5, characterized in that: the lower die holder (10) is connected with a lower rebound assembly, and the lower rebound assembly corresponds to the upper rebound assembly.

7. The lithium battery cover plate full-bright strip stamping die structure according to claim 6, characterized in that: the lower resilience assembly comprises a dual-purpose pin (16) fixedly connected to the lower die holder (10), a lower spring is arranged at the bottom of the dual-purpose pin (16), and the lower end of the lower spring is fixedly connected with the upper surface of the lower die holder (10).

8. The lithium battery cover plate full-bright strip stamping die structure according to claim 3, characterized in that: the upper end of the upper cover plate (1) is fixedly connected with the upper table top of the punch press.

9. The lithium battery cover plate full-bright belt stamping die structure according to claim 4, characterized in that: the lower end of the lower supporting plate (12) is fixedly connected with the lower table top of the punch press.