A battery stamping die convenient to position

By combining multiple positioning structures and hydraulic components, precise positioning of battery stamping dies and rapid adaptation to blanks of different specifications are achieved, solving the problems of unstable positioning and time-consuming adjustment of existing dies, and improving product quality and production efficiency.

CN224542888UActive Publication Date: 2026-07-24DONGGUAN JINGWEI HARDWARE PROD CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
DONGGUAN JINGWEI HARDWARE PROD CO LTD
Filing Date
2025-08-06
Publication Date
2026-07-24

AI Technical Summary

Technical Problem

Existing battery stamping dies have low positioning accuracy, require frequent positioning adjustments, and the blank is prone to shifting during the stamping process, resulting in burrs and dimensional deviations in the product.

Method used

It adopts a multi-combination positioning structure, including longitudinal positioning components and transverse clamping plate components, combined with hydraulic components and elastic elements. By rotating the turntable and adjusting the distance of the push plate, it can quickly match the precise positioning of blanks of different specifications and avoid blank deviation.

Benefits of technology

It improves product positioning accuracy and production efficiency, reduces burrs and dimensional deviations, and simplifies mold replacement and positioning parameter adjustment processes.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a battery punch -die of convenient positioning relates to battery production equipment technical field, and this battery punch -die includes punch base and the casing that is established above punch base, still includes oil pressure subassembly, lower die subassembly, upper die subassembly, longitudinal positioning subassembly and transverse clamping plate subassembly. The utility model discloses through the blank transverse positioning of L type board under the action of telescopic spring, and cooperate push -plate longitudinal extrusion fixed, reduce product burrs, size deviation etc. problem, improve product pass rate, the equipment is aimed at different specifications battery blank, need not spend a large amount of time adjustment positioning parameter, can just through the rotation of carousel regulation push -plate longitudinal displacement distance to match blank width, simplify the operation process when replacing mould, save the positioning adjustment time, improve production efficiency.
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Description

Technical Field

[0001] This utility model relates to the field of battery production equipment technology, specifically to a battery stamping die that is easy to position. Background Technology

[0002] In the battery production process, stamping dies are key equipment used to process battery casings, covers and other parts. Their positioning accuracy directly affects the product dimensional accuracy and yield.

[0003] Existing battery stamping dies typically employ a single mechanical positioning structure, such as a positioning pin or side baffle. In actual operation, positioning adjustments are frequent, requiring repeated calibration of the blank position. This is especially true for battery blanks of different specifications, where adjusting positioning parameters when changing dies is time-consuming. Furthermore, existing dies lack positioning stability, and the blank is prone to shifting due to vibration during stamping, leading to defects such as burrs and dimensional deviations in the product. Utility Model Content

[0004] This invention provides a battery stamping die that is easy to position, with the advantages of accurate positioning and convenient operation, so as to solve the problems of low positioning accuracy and frequent operation of existing equipment.

[0005] To achieve the above objectives, this utility model provides the following technical solution: a battery stamping die for convenient positioning, comprising a stamping base and a housing disposed above the stamping base, and further comprising a hydraulic assembly, a lower die assembly, an upper die assembly, a longitudinal positioning assembly, and a transverse clamping plate assembly, wherein:

[0006] The stamping base is fixed to the ground by bolts, and the top of the stamping base is symmetrically provided with vertical grooves;

[0007] The lower die assembly includes a lower die base, on which a die cavity is fixed by screws. The lower die base is fixed to a stamping base by bolts. The top surface of the die cavity is symmetrically provided with die grooves, which are correspondingly located directly above the vertical groove. A rectangular groove is provided between the die grooves, and the die grooves are provided with die holes.

[0008] As a preferred technical solution of this utility model, two sets of pressure-bearing columns are symmetrically arranged on the lower mold base, elastic elements are symmetrically arranged on both sides of the pressure-bearing columns, several guide columns are symmetrically arranged on the top surface of the concave mold, and a blank is covered on the mold groove.

[0009] As a preferred technical solution of this utility model, the upper mold assembly includes an upper mold base, on which punches are symmetrically arranged, and on the surface of the upper mold base are symmetrically arranged guide holes corresponding to the guide posts. On both sides of the guide holes are a plurality of abutment posts corresponding to the pressure posts and elastic elements.

[0010] The guide hole on the upper die base cooperates with the guide post on the groove to achieve precise mold closing between the upper and lower dies. The blank is shaped and cut off under the stamping of the punch and die. At the same time, the waste material falls into the vertical groove through the hole below the die hole for collection. The setting of the pressure post can work with the abutment post to limit the downward movement distance of the upper die base, avoid quality problems caused by excessive pressing of the stamped products, and improve the pressing accuracy.

[0011] In a preferred embodiment of this utility model, the elastic element includes a support column, which is fixed to the lower mold base by screws. A return spring is nested on the outside of the support column, and a support cylinder is welded to the upper end of the return spring. The support cylinder is fitted into the support column and slides in fit.

[0012] When the punch and die are closed, the upper die holder carries the abutment post to abut the support cylinder. The straight cylinder moves up and down with the straight post, thereby compressing the return spring to accumulate elastic potential energy, ensuring that the upper die holder receives an upward rebound force after stamping, and thus stably resets.

[0013] As a preferred technical solution of this utility model, the longitudinal positioning component includes a bidirectional spiral shaft, a limiting ring is fitted in the middle of the bidirectional spiral shaft and rotates in cooperation with it, one end of the bidirectional spiral shaft passes through the side wall of the rectangular groove and is welded with a turntable, and push plates are provided on both sides of the mold groove, the push plates are fitted into both ends of the bidirectional spiral shaft and rotate in cooperation with it.

[0014] As a preferred technical solution of this utility model, the mold groove is provided with symmetrical sliding grooves on both sides, the push plate is fitted into the sliding groove and slides, and the push plate is provided with a latex pad on the side near the mold groove.

[0015] Latex pads can prevent hard compression damage to the blank during positioning, while also increasing positioning friction to prevent the blank from sliding during stamping.

[0016] As a preferred technical solution of this utility model, the hydraulic assembly includes a hydraulic cylinder, which is fixed to the top of the housing by bolts. A hydraulic column is provided at the bottom of the hydraulic cylinder, and a lifting block is fixed at one end of the hydraulic column by screws. Guide plates are fitted into the two ends of the lifting block and are slidably engaged.

[0017] The hydraulic cylinder drives the lifting block to move downward through the hydraulic column. Under the limit of the guide plate, the lifting block drives the punch on the upper mold base to descend steadily.

[0018] As a preferred technical solution of this utility model, the transverse clamping plate assembly includes a side plate, which is symmetrically fixed to the lower mold base by screws. Several columns are welded to the side plate near the mold groove. The columns penetrate the L-shaped plate and slide together. A telescopic spring is welded between the L-shaped plate and the side plate, and the telescopic spring is nested on the outside of the column.

[0019] Compared with the prior art, this utility model provides a convenient battery stamping die with the following advantages: This utility model uses an L-shaped plate to position the blank laterally under the action of a telescopic spring, and a push plate to press and fix it longitudinally, reducing problems such as burrs and dimensional deviations in the product, and improving the product qualification rate; This equipment can be used for battery blanks of different specifications without spending a lot of time adjusting the positioning parameters. The width of the blank can be matched by simply rotating the turntable to adjust the longitudinal movement distance of the push plate, which simplifies the operation process when changing the die, saves positioning adjustment time, and improves production efficiency. Attached Figure Description

[0020] Figure 1 This is a schematic diagram of the overall structure of this utility model;

[0021] Figure 2 This is a structural diagram of the hydraulic assembly of this utility model;

[0022] Figure 3 This is a schematic diagram of the lower mold assembly structure of this utility model;

[0023] Figure 4 This is a structural diagram of the concave die of this utility model;

[0024] Figure 5 This is a schematic diagram of the upper mold assembly structure of this utility model;

[0025] Figure 6 This is a structural diagram of the longitudinal positioning component of this utility model;

[0026] Figure 7 This is a structural diagram of the horizontal card plate assembly of this utility model;

[0027] Figure 8 This is a structural diagram of the finished product after stamping according to this utility model.

[0028] In the picture:

[0029] 1. Stamping base; 2. Housing; 3. Hydraulic assembly; 4. Lower die assembly; 5. Upper die assembly; 6. Longitudinal positioning assembly; 7. Transverse clamping plate assembly; 8. Blank; 11. Vertical groove; 31. Hydraulic cylinder; 32. Hydraulic column; 33. Lifting block; 34. Guide plate; 41. Lower die base; 42. Die cavity; 43. Die groove; 431. Die hole; 44. Rectangular groove; 45. Sliding groove; 46. Pressure-bearing column; 47. Support column; 471. Return spring; 48. Support cylinder; 49. Guide column; 51. Upper die base; 52. Punch; 53. Guide hole; 54. Abutment column; 61. Bidirectional spiral shaft; 62. Limiting ring; 63. Turntable; 64. Push plate; 641. Latex pad; 71. Side plate; 72. Column; 73. L-shaped plate; 74. Telescopic spring. Detailed Implementation

[0030] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model. Example 1

[0031] Please see Figures 1-8 This utility model discloses a battery stamping die for easy positioning, including a stamping base 1 and a housing 2 disposed above the stamping base 1, and also includes a hydraulic assembly 3, a lower die assembly 4, an upper die assembly 5, a longitudinal positioning assembly 6, and a transverse clamping plate assembly 7, wherein:

[0032] The stamping base 1 is fixed to the ground by bolts, and the top of the stamping base 1 is symmetrically provided with vertical grooves 11;

[0033] Please refer to the appendix. Figure 3 as well as Figure 4 The lower die assembly 4 includes a lower die base 41, on which a die 42 is fixed by screws. The lower die base 41 is fixed to the stamping base 1 by bolts. The die 42 has a die groove 43 symmetrically provided on its top surface. The die groove 43 is correspondingly provided above the vertical groove 11. A rectangular groove 44 is provided between the die grooves 43. The die groove 43 has a die hole 431.

[0034] Two sets of pressure-bearing pillars 46 are symmetrically arranged on the lower mold base 41. Elastic elements are symmetrically arranged on both sides of the pressure-bearing pillars 46. Several guide pillars 49 are symmetrically arranged on the top surface of the cavity mold 42. The blank 8 is covered on the mold groove 43.

[0035] Please refer to the appendix. Figure 5 The upper mold assembly 5 includes an upper mold base 51, on which punches 52 are symmetrically arranged. Guide holes 53 are symmetrically arranged on the surface of the upper mold base 51, corresponding to the guide posts 49. Several abutment posts 54 are arranged on both sides of the guide holes 53, corresponding to the pressure posts 46 and the elastic elements.

[0036] The guide hole 53 on the upper die base 51 cooperates with the guide post 49 on the die groove 43 to achieve precise mold closing between the upper and lower dies. The blank 8 is shaped and cut off under the stamping of the punch 52 and the die 42. At the same time, the waste material falls into the vertical groove 11 through the hole below the die hole 431 for collection. The setting of the pressure post 46 can cooperate with the abutment post 54 to limit the downward movement distance of the upper die base 51, avoid the stamped product from quality problems caused by excessive molding, and improve the molding accuracy.

[0037] The elastic element includes a support column 47, which is fixed to the lower mold base 41 by screws. A return spring 471 is nested on the outside of the support column 47. A support cylinder 48 is welded to the upper end of the return spring 471. The support cylinder 48 is fitted into the support column 47 and slides.

[0038] When the punch 52 and the die 42 are closed, the upper die holder 51 will carry the abutment post 54 to abut the support cylinder 48 first. The straight cylinder 48 moves up and down on the support post 47 and compresses the return spring 471 to accumulate elastic potential energy, ensuring that the upper die holder 51 receives an upward rebound force after stamping, and thus stably resets.

[0039] Please refer to the appendix. Figure 6 The longitudinal positioning component 6 includes a bidirectional spiral shaft 61, a limiting ring 62 is fitted into the middle of the bidirectional spiral shaft 61 and rotates in cooperation with it, one end of the bidirectional spiral shaft 61 passes through the side wall of the rectangular groove 44 and is welded with a turntable 63, and push plates 64 are provided on both sides of the mold groove 43, the push plates 64 are fitted into both ends of the bidirectional spiral shaft 61 and rotate in cooperation with it.

[0040] The mold groove 43 is symmetrically provided with sliding grooves 45 on both sides, and the push plate 64 is fitted into the sliding grooves 45 and slides together. The push plate 64 is provided with a latex pad 641 on the side near the mold groove 43.

[0041] Latex pad 641 can prevent hard extrusion damage to the blank during positioning, while enhancing positioning friction and preventing the blank from sliding during stamping.

[0042] In this embodiment, the rotating turntable 63 drives the bidirectional spiral shaft 61 to rotate in the limiting ring 62, thereby causing the two ends of the bidirectional spiral shaft 61 to have a spiral action with the push plate 64, causing the push plates 64 on both sides to slide longitudinally in the slide groove 45 and move towards the center to squeeze and fix the blank 8, preventing the blank 8 from shaking during the stamping process and causing defects such as burrs and dimensional deviations in the product. Example 2

[0043] Based on the above embodiment 1, please refer to the appendix. Figure 2 as well as Figure 7 The hydraulic assembly 3 includes a hydraulic cylinder 31, which is fixed to the top of the housing 2 by bolts. A hydraulic column 32 is provided at the bottom of the hydraulic cylinder 31. One end of the hydraulic column 32 is fixed to a lifting block 33 by screws. The two ends of the lifting block 33 are fitted with guide plates 34 and are slidably engaged.

[0044] The hydraulic cylinder 31 drives the lifting block 33 to move downward through the hydraulic column 32. Under the limit of the guide plate 34, the lifting block 33 drives the punch 52 on the upper mold base 51 to descend steadily.

[0045] The transverse clamping plate assembly 7 includes a side plate 71, which is symmetrically fixed to the lower mold base 41 by screws. Several columns 72 are welded to the side of the side plate 71 near the mold groove 43. The columns 72 penetrate the L-shaped plate 73 and slide together. A telescopic spring 74 is welded between the L-shaped plate 73 and the side plate 71. The telescopic spring 74 is nested on the outside of the column 72.

[0046] In this embodiment, the L-shaped plate 73 is pressed against the surface of the mold groove 43 by one end of the blank 8. Due to the limitation of the column 72, the L-shaped plate 73 slides on the column 72 and presses the telescopic spring 74. Then the blank 8 is laid flat. Under the rebound of the telescopic spring 74, the other end of the blank 8 abuts against the L-shaped plate 73 on the other side. Under the balance of the telescopic springs 74 on both sides, the blank 8 can be evenly covered above the mold groove 43, ensuring the accurate positioning of the blank 8 in the lateral direction and ensuring that the blank 8 will not be misaligned with the mold groove 43.

[0047] The working principle and usage process of this utility model are as follows: First, the blank 8 is pressed against the L-shaped plate 73 on the surface of the mold groove 43 by one end. Due to the limitation of the column 72, the L-shaped plate 73 slides on the column 72 and presses the telescopic spring 74. Then, the blank 8 is laid flat. Under the rebound of the telescopic spring 74, the other end of the blank 8 abuts against the L-shaped plate 73 on the other side. Under the balance of the telescopic springs 74 on both sides, the blank 8 can be evenly covered above the mold groove 43, ensuring the accurate positioning of the blank 8 in the lateral direction and ensuring that the blank 8 will not be misaligned with the mold groove 43.

[0048] Then, the turntable 63 is rotated, which drives the bidirectional spiral shaft 61 to rotate in the limiting ring 62. This causes the two ends of the bidirectional spiral shaft 61 to have a spiral action with the push plate 64, so that the push plates 64 on both sides slide longitudinally in the slide groove 45 and move towards the center to squeeze and fix the blank 8, preventing the blank 8 from shaking during the stamping process and causing defects such as burrs and dimensional deviations in the product.

[0049] This setting is easy and quick to adjust. For battery blanks of different specifications, there is no need to spend a lot of time setting positioning parameters. You only need to rotate the turntable 63 to adjust the longitudinal movement distance of the push plate 64 to match the width of the blank 8. It is quick and convenient.

[0050] Then, the hydraulic cylinder 31 is activated. The hydraulic cylinder 31 drives the lifting block 33 to move down through the hydraulic column 32. Under the limit of the guide plate 34, the lifting block 33 drives the punch 52 on the upper mold base 51 to descend steadily. Then, the guide hole 53 on the upper mold base 51 cooperates with the guide column 49 on the groove 43 to achieve precise mold closing between the upper and lower molds. The blank 8 is shaped and cut off under the stamping of the punch 52 and the die 42. At the same time, the waste material falls into the vertical groove 11 through the hole below the mold hole 431 for collection.

Claims

1. A battery stamping die for easy positioning, comprising a stamping base (1) and a housing (2) disposed above the stamping base (1), characterized in that, It also includes a hydraulic assembly (3), a lower mold assembly (4), an upper mold assembly (5), a longitudinal positioning assembly (6), and a transverse clamping plate assembly (7), wherein: The stamping base (1) is fixed to the ground by bolts, and the top of the stamping base (1) is symmetrically provided with vertical grooves (11). The lower die assembly (4) includes a lower die base (41), on which a die cavity (42) is fixed by screws. The lower die base (41) is fixed to the stamping base (1) by bolts. The die cavity (42) has symmetrically provided mold grooves (43) on its top surface. The mold grooves (43) are correspondingly provided above the vertical groove (11). A rectangular groove (44) is provided between the mold grooves (43). The longitudinal positioning component (6) includes a bidirectional spiral shaft (61), in which a limiting ring (62) is fitted and rotates. One end of the bidirectional spiral shaft (61) passes through the side wall of the rectangular groove (44) and is welded with a turntable (63). Push plates (64) are provided on both sides of the mold groove (43), and the push plates (64) fit into both ends of the bidirectional spiral shaft (61) and rotate spirally.

2. The battery stamping die for convenient positioning according to claim 1, characterized in that: The mold groove (43) is provided with symmetrical sliding grooves (45) on both sides. The push plate (64) fits into the sliding groove (45) and slides. The push plate (64) is provided with a latex pad (641) on the side near the mold groove (43). The mold groove (43) is provided with a mold hole (431).

3. The battery stamping die for convenient positioning according to claim 2, characterized in that: Two sets of pressure-bearing columns (46) are symmetrically arranged on the lower mold base (41). Elastic elements are symmetrically arranged on both sides of the pressure-bearing columns (46). Several guide columns (49) are symmetrically arranged on the top surface of the die cavity (42). The blank (8) is covered on the mold groove (43).

4. The battery stamping die for convenient positioning according to claim 3, characterized in that: The elastic element includes a support column (47), which is fixed to the lower mold base (41) by screws. A return spring (471) is nested on the outside of the support column (47), and a support cylinder (48) is welded to the upper end of the return spring (471). The support cylinder (48) fits into the support column (47) and slides.

5. A battery stamping die for convenient positioning according to claim 1, characterized in that: The hydraulic assembly (3) includes a hydraulic cylinder (31), which is fixed to the top of the housing (2) by bolts. The bottom end of the hydraulic cylinder (31) is provided with a hydraulic column (32), and one end of the hydraulic column (32) is fixed with a lifting block (33) by screws. The two ends of the lifting block (33) are fitted with guide plates (34) and slide together.

6. A battery stamping die for convenient positioning according to claim 5, characterized in that: The upper mold assembly (5) includes an upper mold base (51), on which punches (52) are symmetrically arranged. The surface of the upper mold base (51) is symmetrically provided with guide holes (53) corresponding to the guide posts (49). On both sides of the guide holes (53), there are several abutment posts (54) corresponding to the pressure posts (46) and elastic elements.

7. A battery stamping die for convenient positioning according to claim 6, characterized in that: The transverse clamping plate assembly (7) includes a side plate (71), which is symmetrically fixed to the lower mold base (41) by screws. Several columns (72) are welded to the side of the side plate (71) near the mold groove (43). The columns (72) penetrate the L-shaped plate (73) and slide together. A telescopic spring (74) is welded between the L-shaped plate (73) and the side plate (71). The telescopic spring (74) is nested on the outside of the column (72).