Aluminum shell punching die
By designing a feeding and clamping mechanism for aluminum shell punching dies, the problem of low efficiency in existing technologies requiring multiple workstations for punching stepped holes in aluminum shells has been solved, enabling efficient punching of multiple layers of holes in aluminum shells in a single workstation.
Patent Information
- Application Number
- CN202520348622.7
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-03-03
- Publication Date
- 2026-02-06
- Estimated Expiration
- 2035-03-03
AI Technical Summary
In existing technologies, punching stepped holes in aluminum shells requires multiple workstations, resulting in low efficiency.
Design an aluminum shell punching die, which uses a feeding and clamping mechanism to complete the punching of stepped holes in the aluminum shell at one station. The die includes a lower die base, an upper die base, a feeding and clamping mechanism, a lifting component, a longitudinal moving component, and a transverse moving component. The automated transfer and punching of the aluminum shell are achieved through the coordinated action of these components.
It improves the efficiency of aluminum shell punching, reduces the conveying time between stations, and enables the punching of multiple layers of holes to be completed in one station.
Smart Images
Figure CN223875902U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to aluminum shell production technical field, especially a kind of aluminum shell punching die. BACKGROUND
[0002] For the punching of aluminum shell products, the prior art usually uses movable upper die and fixed lower die arranged in vertical direction, the upper die is provided with a punch, and the lower die is provided with a recess matched with the punch, the aluminum shell to be punched is placed on the lower die, and the upper die is moved towards the lower die to realize punching.
[0003] In the power battery industry, in order to prevent the explosion problem of aluminum shell battery due to high internal pressure, an explosion-proof sheet needs to be installed on the cover plate of the aluminum shell battery. The function of the explosion-proof sheet is to break when the internal pressure of the aluminum shell battery becomes too large due to heating or other factors, thereby releasing the pressure and preventing the battery from exploding. Before installing the explosion-proof sheet, a stepped hole needs to be punched in the bottom of the aluminum shell. The stepped hole has four layers from top to bottom, namely the first layer 101, the second layer 102, the third layer 103, and the fourth layer 104. The third layer 103 is used to accommodate the explosion-proof sheet. The second layer 102 is used to block the top of the explosion-proof sheet and the protective film, to avoid direct contact. The first layer 101 is used to accommodate the protective film of the explosion-proof valve. In the prior art, the stepped hole in the bottom of the aluminum shell is punched by different processes respectively. That is, after punching a sequence of holes in the aluminum shell at one station, the aluminum shell is transported to the next station to continue punching the next sequence of holes. This process is repeated until the last sequence of holes is punched. Although this method can punch the stepped hole in the aluminum shell, it takes a long time to transport the aluminum shell from one station to the next, which reduces the punching efficiency. SUMMARY
[0004] The utility model aims to provide a kind of aluminum shell punching die, can directly punch stepped hole in aluminum shell at one station.
[0005] The technical scheme of the utility model comprises:
[0006] An aluminum shell punching die comprises a lower die seat and an upper die seat. The lower die seat is fixed on a mounting bottom plate. The top of the lower die seat is transversely fixed with a plurality of lower die inserts for accommodating the aluminum shell. The bottom of the upper die seat is transversely fixed with a plurality of punches. The mounting bottom plate is also provided with a feeding and clamping mechanism for transferring the aluminum shell from the previous lower die insert to the next lower die insert.
[0007] Further, the feeding and clamping mechanism comprises a moving frame arranged on the front and rear sides of the lower die insert. The moving frame is transversely fixed with a plurality of clamping blocks on the side surface close to the lower die insert. The moving frame is driven by a lifting assembly to lift, by a longitudinal moving assembly to move longitudinally, and by a transverse moving assembly to move transversely.
[0008] Further, the longitudinal moving assembly comprises a fixed rod set, the left and right ends of the moving frame are fixed with the fixed rod set, the fixed rod set comprises two fixed rods, support seats are arranged between the two fixed rods of the same set, and the front and rear two support seats of the same side are fixed on the two sliding blocks of the first linear sliding table.
[0009] Further, the lifting assembly comprises a first linear guide rail, the inner side surfaces of the two fixed rods of the same set are fixed with the first linear guide rail, and the sliding block of the first linear guide rail is fixedly connected with the support seat; the support seat is fixed with a cylinder through a connecting frame, and the push rod of the cylinder is fixedly connected with the moving frame through a fixing frame.
[0010] Further, the transverse moving assembly comprises a fixed seat, two fixed seats are fixed below the first linear sliding table on one side of the mounting bottom plate, the fixed seat is fixed with a second linear guide rail, and the sliding block of the second linear guide rail is fixedly connected with the bottom of the first linear sliding table; the first linear sliding table on the other side is fixed on the sliding block of the second linear sliding table.
[0011] Further, the inner side surface of the clamping block is fixed with two wedge-shaped blocks, and the side surface of the two wedge-shaped blocks facing each other is a concave-convex surface.
[0012] Further, the corresponding two clamping blocks form a set, and the number of the clamping block sets is less than the number of the lower mold inserts by one.
[0013] Further, the lower mold seat is fixed with four guide columns, and the upper mold seat is fixed with sleeves for inserting the guide columns.
[0014] Further, the lower mold seat is fixed with four sleeves, and the upper mold seat is fixed with inserts for inserting the sleeves.
[0015] The beneficial effects of the present application are as follows:
[0016] The present application can directly punch a stepped hole in an aluminum shell at one station, thereby saving the time required for conveying from the previous station to the next station and improving the punching efficiency. BRIEF DESCRIPTION OF DRAWINGS
[0017] Figure 1 is a structural schematic view of a stepped hole in the background art.
[0018] Figure 2 is a structural schematic view of the present application.
[0019] Figure 3 is a structural schematic view of the upper mold seat and the lower mold seat.
[0020] Figure 4 is a structural schematic view of the lower mold seat.
[0021] Figure 5 is a schematic view of a left side partial structure of the feeding and clamping mechanism.
[0022] Figure 6 is a schematic view of a right side partial structure of the feeding and clamping mechanism.
[0023] Figures 2-6 M: lower die seat 1, upper die seat 2, mounting bottom plate 3, aluminum shell 100, lower die insert 21, feeding and clamping mechanism 4, moving frame 41, clamping block 42, lifting assembly 6, longitudinal moving assembly 5, transverse moving assembly 7, fixed rod 51, support base 52, first linear slide 53, first linear guide rail 61, connecting frame 62, air cylinder 63, fixed frame 64, fixed base 71, second linear guide rail 72, second linear slide 73, wedge block 43, guide column 81, sleeve 82, sleeve set 91, insert 92. DETAILED DESCRIPTION
[0024] The utility model will be further explained in connection with the drawings below.
[0025] As Figures 2-6 shown, the utility model provides a first embodiment of aluminum shell punching die, including lower die seat 1 and upper die seat 2, the upper die seat 2 is driven by existing punch press, the model of punch press can be yc1-250, but is not only limited to this. The lower die seat 1 is fixed on a mounting bottom plate 3, and the top of the lower die seat 1 is transversely fixed with a plurality of lower die inserts 21 for the sleeve of aluminum shell 100, and the bottom of the upper die seat 2 is transversely fixed with a plurality of punches;The mounting bottom plate 3 is also provided with a feeding and clamping mechanism 4 for transferring the aluminum shell 100 from the previous lower die insert 21 to the next lower die insert 21, so that the aluminum shell 100 can be punched with a ladder hole in one station.
[0026] In the embodiment, the number of punches is five, and the number of lower die inserts 21 is nine, two lower die inserts 21 on the left and two lower die inserts 21 on the right are empty steps, and the five lower die inserts 21 in the middle are used for cooperating with the five punches of the upper die seat 2 to punch the aluminum shell 100. Among the five lower die inserts 21 in the middle, the first three are used to punch the ladder hole, the fourth is used to punch off the excess material, and the fifth is used to press the burr. The two empty steps on the right are used to place the aluminum shell 100 after punching, and the aluminum shell 100 sleeved on the rightmost empty step is transported away by blanking clamping jaw or manually;The two empty steps on the left are used to place the aluminum shell 100 before punching, and the aluminum shell 100 is sleeved on the leftmost empty step by feeding clamping jaw or manually.
[0027] The feeding and clamping mechanism 4 comprises a moving frame 41 arranged on the front and back sides of the lower die insert 21, and a plurality of clamping blocks 42 are fixed on the side of the moving frame 41 close to the lower die insert 21 in a transverse direction; the moving frame 41 is driven to move up and down by the lifting assembly 6, to move longitudinally by the longitudinal moving assembly 5, and to move transversely by the transverse moving assembly 7.
[0028] In the embodiment, the number of the clamping blocks 42 is eight.
[0029] In use, the moving frame 41 is driven to move leftward by the transverse moving assembly 7, so that the first clamping block 42 on the left side is in the same longitudinal direction as the aluminum shell 100 on the first lower die insert 21 on the left side; then the moving frame 41 is driven to move downward by the lifting assembly 6, so that the clamping block 42 is driven to move downward to align with the aluminum shell 100; then the two moving frames 41 are driven to move toward each other by the longitudinal moving assembly 5, so that the clamping blocks 42 are driven to move toward each other to clamp the aluminum shell 100. After the clamping blocks 42 clamp the aluminum shell 100, the moving frame 41 is driven to move upward by the lifting assembly 6, so that the clamping blocks 42 are driven to move upward, and the aluminum shell 100 is driven to move upward to disengage from the lower die insert 21; then the moving frame 41 is driven to move rightward by the transverse moving assembly 7, so that the aluminum shell 100 moves rightward above the next lower die insert 21; then the moving frame 41 is driven to move downward by the lifting assembly 6, so that the aluminum shell 100 moves downward to be sleeved on the lower die insert 21; the upper die seat 2 is driven to move downward to continue to punch the aluminum shell 100; the above steps are repeated to realize continuous punching.
[0030] The longitudinal moving assembly 5 comprises a fixed rod set, and the left and right ends of the moving frame 41 are fixed with the fixed rod set; the fixed rod set comprises two fixed rods 51, and a support seat 52 is arranged between the two fixed rods 51 of the same set; and the front and back two support seats 52 on the same side are fixed on the two sliding blocks of a first linear sliding table 53. The first linear sliding table 53 can drive the two support seats 52 to move, so as to realize the longitudinal movement of the moving frame 41.
[0031] The lifting assembly 6 comprises a first linear guide rail 61, and the inner side surfaces of the two fixed rods 51 of the same set are fixed with the first linear guide rail 61; the sliding block of the first linear guide rail 61 is fixedly connected with the support seat 52, so that the moving frame 41 plays a guiding role when moving up and down; the support seat 52 is fixed with a cylinder 63 through a connecting frame 62, and the push rod of the cylinder 63 is fixedly connected with the moving frame 41 through a fixed frame 64. The cylinder 63 can drive the moving frame 41 to move up and down, so as to realize the lifting of the moving frame 41.
[0032] The transverse moving assembly 7 comprises two fixed seats 71, the first linear slide 53 on one side of the mounting bottom plate 3 is fixed below the two fixed seats 71, the slider of the second linear guide rail 72 is fixedly connected with the bottom of the first linear slide 53, and the second linear guide rail 72 can play a guiding role when the first linear slide 53 moves transversely; the first linear slide 53 on the other side is fixed on the slider of the second linear slide 73. The second linear slide 73 can drive the moving frame 41 to move transversely, and the transverse movement of the moving frame 41 is realized.
[0033] When the moving frame 41 needs to be driven to move longitudinally, the support seat 52 is driven to move forward and backward through the first linear slide 53, so that the fixed rod 51 is driven to move forward and backward, and the moving frame 41 is further driven to move forward and backward. When the moving frame 41 needs to be driven to move vertically, the fixed frame 64 is driven to move up and down through the cylinder 63, so that the moving frame 41 is driven to move up and down. When the moving frame 41 needs to be driven to move transversely, the first linear slide 53 is driven to move left and right through the second linear slide 73, so that the support seat 52 is driven to move left and right, the fixed rod 51 is driven to move left and right, and the moving frame 41 is further driven to move left and right.
[0034] On the basis of the first embodiment, the utility model provides a second embodiment of aluminum shell punching die, the inside surface of clamping block 42 is fixed with two wedge blocks 43, the side of two wedge blocks 43 is concave-convex surface to better clamping aluminum shell 100.
[0035] On the basis of any one of the above embodiments, the utility model provides a third embodiment of aluminum shell punching die, corresponding two clamping blocks 42 are a group, the number of the group of clamping block 42 is less than the number of lower mould insert 21 by one, and the aluminum shell 100 is conveniently transferred from the previous lower mould insert 21 to the next lower mould insert 21.
[0036] On the basis of any one of the above embodiments, the utility model provides a fourth embodiment of aluminum shell punching die, four guide columns 81 are fixed on the lower mould seat 1, and sleeves 82 for the insertion of the guide columns 81 are fixed on the upper mould seat 2. Through the cooperation of the guide columns 81 and the sleeves 82, the positioning effect can be achieved when the upper mould seat 2 moves downward for punching.
[0037] On the basis of any one of the above embodiments, the utility model provides a fifth embodiment of aluminum shell punching die, four sleeves 91 are fixed on the lower mould seat 1, and inserts 92 for the insertion of the sleeves 91 are fixed on the upper mould seat 2. Through the cooperation of the sleeves 91 and the inserts 92, the positioning effect can be achieved when the upper mould seat 2 moves downward for punching.
[0038] The linear slide table, the linear guide rail and the air cylinder in the utility model are prior art, and the person skilled in the art can clearly understand them, and no detailed description is made here.
[0039] The above is only the preferred embodiment of the utility model, and cannot be understood as limiting the application, and any equivalent change and modification made according to the patent range of the utility model should fall within the scope of the utility model.
Claims
1. An aluminum shell piercing die comprising a lower die shoe and an upper die shoe, said lower die shoe being fixed to a mounting base, characterized in that, The top of the lower die base is transversely fixed with a plurality of lower die inserts for setting aluminum shell, and the bottom of the upper die base is transversely fixed with a plurality of punches; the installation base plate is further provided with a feeding clamping mechanism for transferring the aluminum shell from the previous lower die insert to the next lower die insert.
2. An aluminum shell piercing die as defined in claim 1, wherein, The feeding clamping mechanism comprises a moving frame arranged on the front and back sides of the lower die insert, and a plurality of clamping blocks are transversely fixed on the side surface of the moving frame close to the lower die insert; the moving frame is driven by a lifting assembly to lift, by a longitudinal moving assembly to move longitudinally, and by a transverse moving assembly to move transversely.
3. An aluminum shell piercing die as defined in claim 2 wherein, The longitudinal moving assembly comprises a fixed rod group, and the left and right ends of the moving frame are fixed with the fixed rod group; the fixed rod group comprises two fixed rods, and a support seat is arranged between the two fixed rods of the same group; and the front and back two support seats on the same side are fixed on the two sliding blocks of the first linear slide table.
4. An aluminum shell piercing die as defined in claim 3 wherein, The lifting assembly comprises a first linear guide rail, and the inner side surface of the two fixed rods of the same group is fixed with the first linear guide rail; the sliding block of the first linear guide rail is fixedly connected with the support seat; the support seat is fixed with a cylinder through a connecting frame, and the push rod of the cylinder is fixedly connected with the moving frame through a fixed frame.
5. An aluminum shell piercing die according to claim 3 or 4, wherein The transverse moving assembly comprises a fixed seat, and two fixed seats are fixed below the first linear slide table on one side of the installation base plate; the fixed seat is fixed with a second linear guide rail, and the sliding block of the second linear guide rail is fixedly connected with the bottom of the first linear slide table; and the first linear slide table on the other side is fixed on the sliding block of the second linear slide table.
6. An aluminum shell piercing die as defined in claim 2 wherein, The inner side surface of the clamping block is fixed with two wedge-shaped blocks, and the side surface of the two wedge-shaped blocks facing each other is a concave-convex surface.
7. An aluminum shell piercing die according to claim 2 or 6, wherein The corresponding two clamping blocks form a group, and the number of groups of clamping blocks is less than the number of lower die inserts by one.
8. An aluminum shell piercing die as defined in claim 1 wherein, Four guide columns are fixed on the lower die base, and a sleeve for inserting the guide column is fixed on the upper die base.
9. An aluminum shell piercing die as defined in claim 1 wherein, Four sleeve assemblies are fixed on the lower die base, and an insert for inserting the sleeve assembly is fixed on the upper die base.