CN219378675U - Multistage punching die for aluminum plastic film - Google Patents
Multistage punching die for aluminum plastic film Download PDFInfo
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- CN219378675U CN219378675U CN202223174137.8U CN202223174137U CN219378675U CN 219378675 U CN219378675 U CN 219378675U CN 202223174137 U CN202223174137 U CN 202223174137U CN 219378675 U CN219378675 U CN 219378675U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
Abstract
The utility model relates to a multi-stage punching pit die for an aluminum plastic film, which comprises a die unloading plate base, a die mounting plate, a secondary punch mounting plate and a primary punch mounting plate, wherein a secondary concave die plate is fixedly arranged on the upper surface of the die unloading plate base, a secondary convex die plate is fixedly arranged on the lower surface of the die mounting plate, a primary concave die plate is arranged in the secondary concave die plate in a sliding manner, a secondary punch is arranged in the secondary convex die plate in a sliding manner, the upper end of the secondary punch is fixedly connected with the secondary punch mounting plate, the upper end of the secondary punch mounting plate is fixedly connected with a punch connecting block, and a primary punch is sleeved in the secondary punch in a sliding manner. The multi-stage pit punching device disclosed by the utility model has the advantages that the multi-stage pit punching of the aluminum plastic film of the lithium battery is realized, the aluminum plastic film is more uniform in flow of the aluminum plastic film in the stretching process, the pit punching with larger depth of the aluminum plastic film is realized, the pressing force and the pit punching force are accurately controlled, the precision is high, and the mould changing is more convenient.
Description
Technical Field
The utility model relates to the technical field of pit punching of aluminum plastic films, in particular to a multistage pit punching die of an aluminum plastic film.
Background
In the production process of the lithium battery, the aluminum plastic film is subjected to pit punching forming in advance, a bare cell is placed in the pit after pit punching, and then packaging treatment is carried out, wherein the pit punching forming of the aluminum plastic film is formed by adopting a male die matched with a pit on the aluminum plastic film to be matched with a female die, and the aluminum plastic film is directly punched. In actual production, the thickness of the battery core can change due to different requirements, in the process of pit punching forming of the battery aluminum plastic film, the thickness of the aluminum plastic film is thinned and even broken due to stretching of the aluminum plastic film, so that the pit punching equipment has high requirements, the existing pit punching technology only has the design of single pit punching, and the aluminum plastic film can be stretched and formed only once. When the pit is punched, the aluminum plastic film is stretched once, when the pit is deeper, the aluminum plastic film is easy to wrinkle and even is broken, and generally, the production requirement of a lithium battery with the thickness of 2mm-5.5mm of a single pit can be met, the compatibility is not strong, and the production capacity of different batteries is limited.
Disclosure of Invention
Aiming at the defects existing in the prior art, the utility model aims to provide a pit punching die capable of realizing multistage pit punching of an aluminum plastic film.
The aim of the utility model can be achieved by the following technical scheme: the utility model provides an aluminium plastic film multistage punching pit mould, including unloading the template base, the mould mounting panel, second grade drift mounting panel and one-level drift mounting panel, it is provided with the second grade concave template to unload template base upper surface fixed, the fixed second grade punch plate that is provided with relative about with the second grade concave template of mould mounting panel lower surface, the sliding of second grade die plate is provided with one-level concave template, the bottom fixedly connected with one-level concave template guide post of one-level concave template, the lower extreme fixedly connected with one-level die bottom plate of one-level concave template guide post, sliding is provided with the second grade drift in the second grade punch plate, the upper end and the second grade drift mounting panel fixedly connected with of second grade drift mounting panel, the upper end fixedly connected with drift connecting block of second grade drift, the slip cap is equipped with one-level drift in the second grade drift, the upper end of one-level drift cushion passes second grade drift mounting panel and with one-level drift mounting panel fixedly connected with one-level drift mounting panel, the upper end fixedly connected with one-level drift ejector pad of one-level drift. When the die is in specific work, the die mounting plate is stationary as a reference, the die unloading plate base drives the secondary female die plate to move upwards until the secondary female die plate and the secondary male die plate are folded, and the two die pressing surfaces are overlapped to press the die; then, under the pushing of the primary concave die bottom plate, the primary concave die plate moves upwards, and meanwhile an external secondary driving mechanism is required to provide downward film pressing force for the punch connecting block, the punch connecting block pushes the secondary punch mounting plate downwards, the secondary punch mounting plate drives the secondary punch to move downwards, and the primary concave die plate and the secondary punch are folded and compress the aluminum plastic film; then the primary punch driving mechanism provides downward pit punching force for the primary punch top block, and the primary punch top block downwards pushes the primary punch mounting plate and the primary punch cushion block to drive the primary punch to downwards move and provide pit punching force to finish pre-pit punching; resetting the primary punch, resetting the primary concave template, and pressing down the secondary punch to finish secondary pit punching; and after pit punching is completed, resetting the secondary punch, and integrally and downwards resetting the die unloading plate base to complete die separation.
Preferably, the die plate unloading base is symmetrically provided with second guide posts, the lower ends of the second guide posts are fixedly connected with the die plate unloading base, the upper ends of the second guide posts are matched with the die mounting plate plug bush, the die mounting plate is symmetrically provided with third guide posts, the lower ends of the third guide posts are fixedly connected with the die mounting plate, the upper ends of the third guide posts are matched with the second punch mounting plate and the first punch mounting plate plug bush, and buffer springs are sleeved on the second guide posts and the third guide posts. Specifically, the second guide post and the third guide post play a guiding role and play a buffering role through a buffer spring.
Preferably, a secondary punch protection cushion block is arranged between the die mounting plate and the secondary punch mounting plate, and the secondary punch protection cushion block is fixedly connected with the die mounting plate. The secondary punch protection cushion block plays a role in limiting and protecting, and the secondary punch is prevented from colliding with the primary concave die plate when the secondary punch mounting plate is pressed down.
Preferably, a spring support column is fixedly arranged on the primary concave die bottom plate, a spring is sleeved on the spring support column, and the upper end of the spring is fixedly connected with the bottom of the primary concave die plate. By sleeving the spring on the spring support column, the buffer effect on the primary concave die plate is achieved when the pit is pre-punched.
Preferably, a pre-pit punching groove is formed in the middle of the secondary concave template, and a vacuum chuck is arranged in the pre-pit punching groove. After the pit punching of the aluminum plastic film is completed, resetting the secondary punch, and integrally and downwards resetting the die unloading plate base to complete die separation; during die separation, the aluminum plastic film can be adsorbed on the second-stage concave die plate through the vacuum chuck, so that the aluminum plastic film is prevented from being attached to the second-stage convex die plate above and being incapable of carrying materials for resetting.
Preferably, the bottom of the stripper plate base 204 is symmetrically provided with support feet 203. The external driving mechanism can be connected through the supporting feet 203, and the template unloading base 204 is driven to move up and down through the external driving mechanism.
The beneficial effects of the utility model are as follows: 1. the primary punch is matched with the primary concave template to perform pre-punching and the secondary punch is used for performing secondary punching, so that the aluminum layer material movement of the aluminum plastic film during stretching can be more uniform, the thickness of the aluminum layer after punching the aluminum plastic film can be increased, and the problems of breakage, wrinkling and the like during punching the battery cell aluminum plastic film can be solved.
2. The pit punching of the aluminum plastic film with larger depth can be completed, the pit punching of 2-20mm of a single pit is realized, and the compatibility of the aluminum plastic film pit punching die to the battery cores with different thicknesses is greatly improved.
Drawings
The utility model will be further described with reference to the accompanying drawings, in which embodiments do not constitute any limitation of the utility model, and other drawings can be obtained by one of ordinary skill in the art without inventive effort from the following drawings.
Fig. 1 is a schematic structural diagram of a multi-stage pit punching die for an aluminum plastic film.
Fig. 2 is another schematic structural diagram of a multi-stage pit punching mold for an aluminum plastic film according to the present utility model.
Fig. 3 is a schematic diagram of the mold clamping of the secondary cavity plate and the secondary male plate according to the embodiment of the utility model.
FIG. 4 is a schematic diagram of a secondary die plate and a secondary punch plate in accordance with an embodiment of the present utility model.
Fig. 5 is a schematic diagram of the primary punch in the embodiment of the present utility model when the primary punch performs pre-pit downward.
Fig. 6 is a schematic diagram of the secondary punch in the embodiment of the present utility model when the secondary punch performs secondary pit punching downward.
Fig. 7 is a schematic diagram of the embodiment of the utility model when the mold is separated after pit punching is completed.
The reference numerals shown in the figures are represented as: 201. a primary female die bottom plate; 202. a first-stage female die guide post; 203. supporting feet; 204. a template unloading base; 205. a second-stage concave template; 206. a second-stage convex template; 207. a mold mounting plate; 208. a second-stage punch protecting cushion block; 209. a secondary punch mounting plate; 210. a punch connecting block; 211. a spring; 212. a second guide post; 213. a third guide post; 214. a spring support column; 215. a first-stage concave template; 216. a primary punch top block; 217. a first stage punch mounting plate; 218. a first stage punch pad; 219. a secondary punch; 220. a primary punch; 221. and (5) a vacuum chuck.
Detailed Description
It should be noted that, if directional indications (such as up, down, left, right, front, and rear … …) are included in the embodiments of the present utility model, the directional indications are merely used to explain the relative positional relationship, movement conditions, etc. between the components in a specific posture (as shown in the drawings), and if the specific posture is changed, the directional indications are correspondingly changed.
In addition, if there is a description of "first", "second", etc. in the embodiments of the present utility model, the description of "first", "second", etc. is for descriptive purposes only and is not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include at least one such feature. In addition, the technical solutions of the embodiments may be combined with each other, but it is necessary to base that the technical solutions can be realized by those skilled in the art, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should be considered to be absent and not within the scope of protection claimed in the present utility model.
The technical solutions of the present utility model will be clearly and completely described below in conjunction with specific embodiments, and it is apparent that the described embodiments are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to fall within the scope of the utility model.
Referring to fig. 1 to 7, the structure of the present utility model is as follows: the utility model provides an plastic-aluminum membrane multistage punching pit mould, including unloading template base 204, the mould mounting panel 207, second grade drift mounting panel 209 and one-level drift mounting panel 217, unloading template base 204 upper surface fixed is provided with second grade concave template 205, mould mounting panel 207 lower surface fixed is provided with the second grade punch 206 that is opposite from top to bottom of second grade concave template 205, the interior sliding of second grade concave template 205 is provided with one-level concave template 215, the bottom fixedly connected with one-level concave template guide post 202 of one-level concave template 215, the lower extreme fixedly connected with one-level die bottom plate 201 of one-level concave template guide post 202, the interior sliding of second grade convex template 206 is provided with second grade drift 219, the upper end and the second grade drift mounting panel 209 fixed connection of second grade drift 219, the upper end fixedly connected with drift connecting block 210 of second grade drift mounting panel 209, the interior sliding sleeve of second grade drift 219 is equipped with one-level drift 220, the upper end fixedly connected with one-level drift spacer 218 of one-level drift 218, the upper end of one-level drift 218 passes two-level drift mounting panel 209 and fixedly connected with one-level mounting panel 217. In specific operation, referring to fig. 3, the mold mounting plate 207 is stationary as a reference, and the mold unloading plate base 204 drives the secondary female mold plate 205 to move upwards until the secondary female mold plate 205 and the secondary male mold plate 206 are folded, and the two mold pressing surfaces are overlapped to perform film pressing; next, referring to fig. 4, under the pushing of the primary concave die bottom plate 201, the primary concave die plate 215 moves upwards, and meanwhile, an external secondary driving mechanism is required to provide a downward film pressing force for the punch connecting block 210, the punch connecting block 210 pushes the secondary punch mounting plate 209 downwards, the secondary punch mounting plate 209 drives the secondary punch 219 to move downwards, and the primary concave die plate 215 and the secondary punch 219 are folded and compress the aluminum plastic film, so that the aluminum plastic film is uniformly stressed when the pit is pre-punched, and the aluminum plastic film is ensured to be more uniform in moving of an aluminum layer material when the aluminum plastic film is stretched; referring next to fig. 5, the primary punch driving mechanism provides a downward punching force to the primary punch top block 216, the primary punch top block 216 pushes the primary punch mounting plate 217 and the primary punch cushion block 218 downward to drive the primary punch 220 to move downward, and provides a punching force to finish pre-punching; next, referring to fig. 6, the primary punch 220 is reset, the primary concave die plate 215 is reset, and the secondary punch 219 is pressed down, so that secondary pit punching is completed; next, referring to fig. 7, after the pit punching is completed, the secondary punch 219 is reset, and the entire stripper plate base 204 is reset downward, thereby completing the parting.
Referring to fig. 1 and 2, a second guide post 212 is symmetrically arranged on the unloading template base 204, the lower end of the second guide post 212 is fixedly connected with the unloading template base 204, the upper end of the second guide post 212 is matched with a die mounting plate 207 in a sleeved mode, a third guide post 213 is symmetrically arranged on the die mounting plate 207, the lower end of the third guide post 213 is fixedly connected with the die mounting plate 207, the upper end of the third guide post 213 is matched with a second punch mounting plate 209 and a first punch mounting plate 217 in a sleeved mode, and buffer springs 211 are sleeved on the second guide post 212 and the third guide post 213. Specifically, the second guide post 212 and the third guide post 213 play a guiding role and play a buffering role by the buffer spring 211.
As shown in fig. 1, a secondary punch protection pad 208 is provided between the die mounting plate 207 and the secondary punch mounting plate 209, and the secondary punch protection pad 208 is fixedly connected with the die mounting plate 207. The secondary punch 219 is prevented from colliding with the primary concave die plate 215 when the secondary punch mounting plate 209 is pressed down by the secondary punch protection cushion block 208.
As shown in fig. 2, a spring support column 214 is fixedly arranged on the primary concave die bottom plate 201, a spring is sleeved on the spring support column 214, and the upper end of the spring is fixedly connected with the bottom of the primary concave die plate 215. By sleeving the spring on the spring support post 214, the primary concave die plate 215 is buffered during pre-pit punching.
As shown in fig. 2, a pre-pit punching groove is formed in the middle of the secondary concave template 215, and a vacuum chuck 221 is arranged in the pre-pit punching groove. After the pit punching of the aluminum plastic film is completed, resetting the secondary punch 219, and integrally and downwards resetting the die unloading plate base 204 to complete die separation; during die separation, the aluminum plastic film can be adsorbed on the second-stage female die plate 215 through the vacuum chuck 221, so that the aluminum plastic film is prevented from being attached to the upper second-stage male die plate 206 and being reset without a belt material.
As shown in fig. 1, support feet 203 are symmetrically disposed at the bottom of the stripper plate base 204. The external driving mechanism can be connected through the supporting feet 203, and the template unloading base 204 is driven to move up and down through the external driving mechanism.
The utility model has been further described with reference to specific embodiments, but it should be understood that the detailed description is not to be construed as limiting the spirit and scope of the utility model, but rather as providing those skilled in the art with the benefit of this disclosure with the benefit of their various modifications to the described embodiments.
Claims (6)
1. The utility model provides a multistage punching die of plastic-aluminum membrane which characterized in that: the die comprises a die plate unloading base (204), a die mounting plate (207), a secondary punch mounting plate (209) and a primary punch mounting plate (217), wherein a secondary punch plate (205) is fixedly arranged on the upper surface of the die plate unloading base (204), a secondary punch plate (206) which is opposite to the secondary punch plate (205) in upper and lower directions is fixedly arranged on the lower surface of the die mounting plate (207), a primary punch plate (215) is arranged in the secondary punch plate (205) in a sliding manner, a primary punch guide post (202) is fixedly connected to the bottom of the primary punch plate (215), a primary die bottom plate (201) is fixedly connected to the lower end of the primary punch guide post (202), a secondary punch (219) is arranged in the secondary punch plate (206) in a sliding manner, a punch connecting block (210) is fixedly connected to the upper end of the secondary punch mounting plate (209), a primary punch (220) is sleeved in a sliding manner, a primary punch (218) is fixedly connected to the upper end of a primary punch pad (218), and the primary punch (218) is connected to the primary punch plate (209) in a sliding manner, the upper end of the primary punch mounting plate (217) is fixedly connected with a primary punch top block (216).
2. The aluminum plastic film multistage pit punching die according to claim 1, wherein: the die plate unloading base is characterized in that a second guide pillar (212) is symmetrically arranged on the die plate unloading base (204), the lower end of the second guide pillar (212) is fixedly connected with the die plate unloading base (204), the upper end of the second guide pillar (212) is matched with a die mounting plate (207) in a sleeved mode, a third guide pillar (213) is symmetrically arranged on the die mounting plate (207), the lower end of the third guide pillar (213) is fixedly connected with the die mounting plate (207), the upper end of the third guide pillar (213) is matched with a second-stage punch mounting plate (209) and a first-stage punch mounting plate (217) in a sleeved mode, and buffer springs (211) are respectively sleeved on the second guide pillar (212) and the third guide pillar (213).
3. The aluminum plastic film multistage pit punching die according to claim 1, wherein: a secondary punch protection cushion block (208) is arranged between the die mounting plate (207) and the secondary punch mounting plate (209), and the secondary punch protection cushion block (208) is fixedly connected with the die mounting plate (207).
4. The aluminum plastic film multistage pit punching die according to claim 1, wherein: the spring support column (214) is fixedly arranged on the primary concave die bottom plate (201), a spring is sleeved on the spring support column (214), and the upper end of the spring is fixedly connected with the bottom of the primary concave die plate (215).
5. The aluminum plastic film multistage pit punching die according to claim 1, wherein: the middle part of the second-level concave template (205) is provided with a pre-pit punching groove, and a vacuum chuck (221) is arranged in the pre-pit punching groove.
6. The aluminum plastic film multistage pit punching die according to claim 1, wherein: supporting feet (203) are symmetrically arranged at the bottom of the unloading template base (204).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223174137.8U CN219378675U (en) | 2022-11-29 | 2022-11-29 | Multistage punching die for aluminum plastic film |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223174137.8U CN219378675U (en) | 2022-11-29 | 2022-11-29 | Multistage punching die for aluminum plastic film |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219378675U true CN219378675U (en) | 2023-07-21 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202223174137.8U Active CN219378675U (en) | 2022-11-29 | 2022-11-29 | Multistage punching die for aluminum plastic film |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219378675U (en) |
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2022
- 2022-11-29 CN CN202223174137.8U patent/CN219378675U/en active Active
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