Punching and cutting device for battery positive plate

Abstract

The battery positive plate punching and cutting device comprises an upper die assembly and a lower die assembly, the upper die assembly comprises an upper die base, an upper die plate and a stripper plate, the top face of the upper die plate is fixed to the bottom face of the upper die base, a plurality of upper die punches are installed on the bottom face of the upper die plate, and a plurality of lower die punches are installed on the bottom face of the lower die plate. The stripper plate is arranged on the upper die punches in a penetrating and sleeving mode and installed on the bottom face of the upper die plate. The lower die assembly comprises a lower die base and a lower die plate, the bottom face of the lower die plate is fixed to the top face of the lower die base, and a plurality of lower die cutters matched with the upper die punches in the upper die assembly and a plurality of material supporting plates are installed on the lower die plate. The punching device is simple in structure, convenient to operate, high in punching precision, high in production efficiency and stable in product quality.

Description

TECHNICAL FIELD

[0001] The utility model relates to a battery positive plate punching cutting device. BACKGROUND

[0002] In the battery manufacturing process, the manufacturing quality of the positive plate and the negative plate affects the performance of the whole battery. With the increasing requirements of various industries on the performance of the battery, in order to ensure that the performance of the battery meets the demand, the battery manufacturing enterprises will strictly control the manufacturing process of the positive plate and the negative plate. In order to meet the different performance of the battery, some battery positive plates need to be punched and cut, and the quality of the punching and cutting affects the quality of the subsequent battery manufacturing and the performance of the battery, therefore, how to design the punching and cutting device of the battery positive plate to better ensure the punching precision and the cutting effect has become a research topic at present. CONTENT OF THE UTILITY MODEL

[0003] The utility model aims at providing a battery positive plate punching cutting device which is simple in structure, convenient to operate, high in punching precision, high in production efficiency and stable in product quality.

[0004] The utility model realizes the following schemes:

[0005] The utility model provides a kind of battery positive plate punching cutting device, including upper die assembly and lower die assembly, the upper die assembly includes upper die holder, upper die plate and stripper plate, the top surface of the upper die plate is fixed on the bottom surface of upper die holder, a plurality of upper die punch is installed on the bottom surface of the upper die plate, the stripper plate is penetrated on a plurality of upper die punch and is installed on the bottom surface of the upper die plate and the bottom end of the upper die punch does not exceed the bottom surface of stripper plate, the distance between the stripper plate and the upper die plate is separated and the stripper plate can be moved up and down, the two side surfaces of the upper die plate are provided with upper die edge die respectively, the rear end surface of the upper die plate is provided with upper die cutting tool, the bottom surface of the upper die edge die is flush with the bottom surface of the upper die cutting tool and the bottom surface of the upper die edge die and the bottom surface of the upper die cutting tool are all lower than the bottom surface of the upper die plate;The lower die assembly includes lower die holder and lower die plate, the bottom surface of the lower die plate is fixed on the top surface of lower die holder, a plurality of lower die cutter matched with the upper die punch in upper die assembly and a plurality of material supporting plate are installed on the lower die plate, the top surface of the lower die cutter is flush with the top surface of the lower die plate, the top surface of the material supporting plate is slightly higher than the top surface of the lower die plate, the top surface of the lower die cutter is provided with through hole, the through hole of the lower die cutter is matched and embedded with the upper die punch of upper die assembly, the two side surfaces of the lower die plate are provided with lower die edge die matched with the upper die edge die in upper die assembly, the rear end surface of the lower die plate is provided with lower die cutting tool matched with the upper die cutting tool in upper die assembly, the top surface of the lower die edge die and the top surface of the lower die cutting tool are flush with the top surface of the lower die plate.The number, shape, setting position etc.

[0006] Further, the lower die assembly further comprises a feeding support and a discharging support, the feeding support is fixed on the lower die base and close to the front end surface of the lower die plate, and the discharging support is fixed on the lower die base and close to the outward end surface of the lower die cutting tool.

[0007] Further, the bottom surface of the upper die base is provided with positioning guide columns, springs are sleeved on the positioning guide columns, the lower die base is provided with positioning sleeves at positions corresponding to the positioning guide columns, and the positioning guide columns are sleeved in the positioning sleeves.

[0008] Further, the top surface of the upper die base is fixed with quick fixing components.

[0009] Further, the stripping plate is installed on the bottom surface of the upper die plate through a stripping backing plate, the top surface of the upper die plate is fixed on the bottom surface of the upper die base through an upper die plate backing plate, and the bottom surface of the lower die plate is fixed on the top surface of the lower die base through a lower die plate backing plate.

[0010] The battery positive plate punching and cutting device has the advantages of simple structure, convenient operation, high production efficiency and stable product quality. BRIEF DESCRIPTION OF DRAWINGS

[0011] Figure 1 It is an overall structure schematic view of the battery positive plate punching and cutting device in embodiment 1.

[0012] Figure 2 It is an inverted structure schematic view of the upper die assembly in embodiment 1.

[0013] Figure 3 It is a structure schematic view of the lower die assembly in embodiment 1. DETAILED DESCRIPTION

[0014] The embodiment is only used for illustrating an implementation mode of the battery positive plate punching and cutting device, and does not limit the protection scope of the battery positive plate punching and cutting device.

[0015] Embodiment 1

[0016] A battery positive plate punching and cutting device, as shown in the accompanying drawings, comprises an upper die assembly 1 and a lower die assembly 2. Figure 1 Figure 2 ​As shown, the upper mold assembly 1 includes an upper mold base 11, an upper template (not shown as it is blocked by a stripper plate, upper mold cutting tool, etc.), and a stripper plate 12. The top surface of the upper template is fixed to the bottom surface of the upper mold base 11 by an upper template pad 13. Several upper mold punches 14 are installed on the bottom surface of the upper template. In this embodiment, there are four upper mold punches 14. The stripper plate 12 is sleeved on the several upper mold punches 14 and installed on the bottom surface of the upper template by a stripper pad (not shown as it is blocked by a stripper plate, upper mold cutting tool, etc.). The bottom end of the upper mold punches 14 does not extend beyond the stripper plate. The bottom surface of plate 12, the stripper plate 12 is separated from the upper template by a certain distance and the stripper plate 12 can move up and down, the two sides of the upper template are respectively provided with upper mold side molds 15, the rear end face of the upper template is provided with an upper mold cutting tool 16, the bottom surface of the upper mold side mold 15 is flush with the bottom surface of the upper mold cutting tool 16 and the bottom surface of the upper mold side mold 15 and the bottom surface of the upper mold cutting tool 16 are both lower than the bottom surface of the upper template, the bottom surface of the upper mold base 11 is provided with positioning guide posts 17 around the periphery, the positioning guide posts 17 are fitted with springs 18, and the top surface of the upper mold base 11 is fixed with a quick fixing component 19; such as Figure 3 As shown, the lower die assembly 2 includes a lower die base 20, a lower die template 21, a feeding platform 22, and a discharging platform 23. The bottom surface of the lower die template 21 is fixed to the top surface of the lower die base 20 by a lower die template pad 24. The lower die template 21 is equipped with several lower die cutters 25 that correspond to the upper die punch 14 in the upper die assembly 1, and several material support plates 26. In this embodiment, there are four lower die cutters 25. The top surface of each lower die cutter 25 is flush with the top surface of the lower die template 21. The top surface of each material support plate 26 is slightly higher than the top surface of the lower die template 21. Through holes 251 are provided on the top surface of each lower die cutter 25. The through holes 251 of the lower die cutters 25 correspond to and are fitted together with the upper die punch 14 of the upper die assembly 1. In this embodiment, the lower die template has lower die cutter mounting through holes and material support plate mounting through holes. The lower die cutters are installed one-to-one in the lower die cutter mounting through holes, and the material support plates are installed one-to-one in the material support plate mounting through holes. To facilitate the smooth discharge of material punched out by the upper die punch, a discharge hole is opened on the lower die base, and a discharge connection hole is opened on the lower die plate. The discharge connection hole is connected to the discharge hole and the lower die tool mounting through hole respectively. The two sides of the lower die plate 21 are respectively provided with lower die side molds 27 that match the upper die side mold 15 in the upper die assembly 1. The rear end face of the lower die plate 21 is provided with a lower die cutting tool 28 that matches the upper die cutting tool 16 in the upper die assembly 1. The top surface of the lower die side mold 27 and the top surface of the lower die cutting tool 28 are flush with the top surface of the lower die plate 21. The feeding platform 22 is fixed on the lower die base 20 and close to the front end face of the lower die plate 21. The discharge platform 23 is fixed on the lower die base 20 and close to the outward end face of the lower die cutting tool 28. The lower die base 20 is provided with a positioning sleeve 29 at the position corresponding to the positioning guide post 17. The positioning guide post 17 is fitted into the positioning sleeve 29.

[0017] When in use, the lower die base of the lower die assembly is fixed on the table surface of a fixed component such as an operation table, a fixed support, etc., the quick fixing component of the upper die assembly is fixed on the stamping component of a punch press, then the front end of the battery positive plate strip to be punched and cut is placed on the lower die assembly and supported by the feeding support and the material supporting plate, then the punch press is started, the stamping component of the punch press moves downward with the whole upper die assembly, during the downward movement of the upper die assembly, when the stripper plate contacts the material supporting plate, the stripper plate moves upward due to the reaction force, at this time the upper die punch gradually exposes the stripper plate until it breaks through the battery positive plate and fits into the through hole of the corresponding lower die cutting tool to complete the punching step, at the same time the upper die edge die of the upper die assembly and the lower die edge die of the lower die assembly correspondingly cooperate to cut off the edge material of the battery positive plate, the upper die cutting tool of the upper die assembly and the lower die cutting tool of the lower die assembly correspondingly cooperate to cut off the front edge material of the battery positive plate strip, at this time the punching and edge material cutting of the first battery positive plate are completed, then the punch press moves upward with the whole upper die assembly, then the battery positive plate strip advancing control component is started to control the forward movement of the battery positive plate strip to be punched and cut, the moving distance is equal to the length of one battery positive plate, at this time the first battery positive plate which has completed the punching and cutting moves to the discharging support, then the punching and cutting of the second battery positive plate are completed according to the foregoing steps, in the punching and cutting step of the second battery positive plate, the first battery positive plate and the second battery positive plate are cut and separated by the upper die cutting tool of the upper die assembly and the lower die cutting tool of the lower die assembly, and so on, the punching and cutting steps of all battery positive plates are completed.

Claims

1. A battery positive plate punching and slitting apparatus characterized by: The upper die assembly comprises an upper die base, an upper die plate and a stripper plate, the top surface of the upper die plate is fixed on the bottom surface of the upper die base, a plurality of upper die punches are installed on the bottom surface of the upper die plate, the stripper plate is sleeved on the plurality of upper die punches and is installed on the bottom surface of the upper die plate, the bottom end of the upper die punch does not exceed the bottom surface of the stripper plate, the stripper plate is separated from the upper die plate by a certain distance and can move up and down, the two side surfaces of the upper die plate are respectively provided with upper die side dies, the rear end surface of the upper die plate is provided with an upper die cutting tool, the bottom surface of the upper die side die is flush with the bottom surface of the upper die cutting tool, and the bottom surfaces of the upper die side die and the upper die cutting tool are lower than the bottom surface of the upper die plate; the lower die assembly comprises a lower die base and a lower die plate, the bottom surface of the lower die plate is fixed on the top surface of the lower die base, a plurality of lower die cutters matched with the upper die punches in the upper die assembly and a plurality of material supporting plates are installed on the lower die plate, the top surface of the lower die cutter is flush with the top surface of the lower die plate, the top surface of the material supporting plate is slightly higher than the top surface of the lower die plate, a through hole is formed in the top surface of the lower die cutter, the through hole of the lower die cutter is matched and embedded with the upper die punch of the upper die assembly, the two side surfaces of the lower die plate are respectively provided with lower die side dies matched with the upper die side dies in the upper die assembly, and the rear end surface of the lower die plate is provided with a lower die cutting tool matched with the upper die cutting tool in the upper die assembly, the top surface of the lower die side die and the top surface of the lower die cutting tool are flush with the top surface of the lower die plate.

2. The battery positive plate punching and slitting device as claimed in claim 1, wherein: The lower die assembly further comprises a feeding support table and a discharging support table, the feeding support table is fixed on the lower die base and is close to the front end surface of the lower die plate, and the discharging support table is fixed on the lower die base and is close to the outward end surface of the lower die cutting tool.

3. The battery positive plate punching and slitting device of claim 1 wherein: The bottom surface of the upper die base is provided with a positioning guide column, a spring is sleeved on the positioning guide column, the lower die base is provided with a positioning sleeve at a position corresponding to the positioning guide column, and the positioning guide column is matched and sleeved in the positioning sleeve.

4. The battery positive plate punching and slitting device according to any one of claims 1 to 3, characterized in that: A quick fixing component is fixed on the top surface of the upper die base.

5. The battery positive plate punching and slitting device as set forth in any one of claims 1 to 3, characterized in that: The stripper plate is installed on the bottom surface of the upper die plate through a stripper gasket, the top surface of the upper die plate is fixed on the bottom surface of the upper die base through an upper die plate gasket, and the bottom surface of the lower die plate is fixed on the top surface of the lower die base through a lower die plate gasket.

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