New energy battery top cover shaping jig

Abstract

The utility model discloses a new energy battery top cover shaping jig which comprises an upper die, a lower die and a battery top cover, an upper shaping die is detachably and fixedly arranged at the bottom of the upper die, the upper shaping die is provided with an upper shaping cambered surface, the lower die is provided with a lower cavity, a lower shaping die is detachably and fixedly arranged in the lower cavity, and the upper shaping cambered surface is provided with a lower shaping cambered surface. The upper shaping die is provided with an upper shaping cambered surface, the lower shaping die is provided with a lower shaping cambered surface, the depth of the lower shaping die is larger than the height of the lower shaping die, the battery top cover is placed on the lower shaping die and located in the lower shaping die in a matched mode, the upper shaping cambered surface and the lower shaping cambered surface are aligned and are the same in arc shape and arc direction, and the upper die and the lower die are aligned and are provided with positioning structures. The top cover shaping die is simple and reasonable in structure and ingenious in design, the upper shaping die and the lower shaping die are arranged, the upper shaping die and the lower shaping die are designed in a segmented mode and are formed by splicing the upper die block and the lower die block respectively, adjustment is convenient, the shaping process is simple and easy to operate, the working efficiency of top cover shaping can be improved, and the production cost can be reduced.

Description

Technical Field

[0001] The utility model relates to the technical field of battery top cover processing, in particular to a new energy battery top cover shaping jig. Background Art

[0002] The battery top cover is an important component of the battery, used to encapsulate the top of the battery and play a role in connecting and protecting the interior of the battery. In the existing battery top cover structure, the minimalist top cover parts are all formed by high-speed stamping, which has the advantages of high component interchangeability, obvious scale advantages, low BOM cost, and front-end injection molding process, which is conducive to the automation of the entire line. However, the laser welding ratio of the minimalist top cover is larger than that of the top covers of other structures. After laser welding, the top cover will cause a certain degree of deformation, thereby affecting the flatness of the top cover and further affecting the product quality. Therefore, it is necessary to provide a top cover shaping jig to shape the top cover after laser welding to ensure the flatness of the top cover. Utility Model Content

[0003] The purpose of the utility model is to provide a top cover shaping jig with a simple and reasonable structure, which can be used to shape the top cover after laser welding to ensure the flatness of the top cover.

[0004] To achieve the above objectives, the present invention provides the following technical solutions:

[0005] A new energy battery top cover shaping jig comprises an upper mold, a lower mold and a battery top cover, wherein an upper shaping mold is detachably fixedly provided at the bottom of the upper mold, the upper shaping mold is provided with an upper shaping arc surface, the lower mold is provided with a lower cavity, a lower shaping mold is detachably fixedly provided in the lower cavity, the lower shaping mold is provided with a lower shaping arc surface, the depth of the lower cavity is greater than the height of the lower shaping mold, the battery top cover is placed on the lower shaping mold and matched in the lower cavity, the upper shaping arc surface and the lower shaping arc surface are aligned and have the same arc shape and arc direction, the upper mold and the lower mold are aligned and provided with a positioning structure.

[0006] Furthermore, the upper mold includes an upper mold base, the upper mold base is provided with an upper cavity, the upper mold base is provided with a plurality of upper module mounting holes within the range of the upper cavity, the upper shaping mold includes a plurality of upper modules of different shapes, the upper module is provided with an upper module countersunk hole, the upper module is fixedly connected to the upper mold base by passing a first bolt through the upper module countersunk hole and screwing into the upper module mounting hole, the head of the first bolt is located in the upper module countersunk hole, and after the upper module is assembled into the upper shaping mold, it is matched to be located in the upper cavity and an explosion-proof valve unit upper groove is formed in the middle of the upper shaping mold and pole upper grooves are formed at both ends, and the bottom surface of the upper module forms an upper shaping arc surface after assembly.

[0007] Furthermore, the lower mold includes a lower mold base, the lower mold base is provided with a lower cavity, the size of the lower cavity matches the shape of the battery top cover, the lower mold base is provided with a plurality of lower module mounting holes within the range of the lower cavity, and the lower shaping mold includes a plurality of lower modules of different shapes, the lower module is provided with a lower module countersunk hole, the lower module is fixedly connected to the lower mold base by a second bolt passing through the lower module countersunk hole and screwed into the lower module mounting hole, the head of the second bolt is located in the lower module countersunk hole, and after the lower module is assembled into the lower shaping mold, it is matched to be located in the lower cavity and a lower groove of the explosion-proof valve unit is formed in the middle of the lower shaping mold and a pole lower groove is formed at both ends, and the top surface of the lower module forms a lower shaping arc surface after assembly.

[0008] Furthermore, the positioning structure includes an upper positioning hole, a lower die base countersunk hole, a third bolt and a positioning pin. The upper positioning hole is opened at the diagonal position of the upper die base, and the lower die base countersunk hole is opened at the diagonal position of the lower die base and corresponds to the position of the upper positioning hole. The third bolt passes through the lower die base countersunk hole from bottom to top and is threadedly connected to the positioning pin. The positioning pin matches the upper positioning hole.

[0009] Furthermore, upper die mounting holes are provided at the four corners of the upper die base.

[0010] Furthermore, a lower die mounting hole is provided at the bottom of the lower die base.

[0011] Furthermore, product taking grooves are symmetrically provided on the sides of the lower die base.

[0012] Compared with the prior art, the beneficial effects of the present invention are:

[0013] The utility model has a simple and reasonable structure and an ingenious design. It is equipped with an upper shaping mold and a lower shaping mold. The upper shaping mold and the lower shaping mold adopt a segmented design and are assembled from upper and lower modules respectively. This facilitates adjustment, simplifies the shaping process, and is easy to operate, which helps to improve the efficiency of top cover shaping and reduce production costs. At the same time, the shaping arc surfaces of the upper and lower shaping molds are opposite to the deformation direction of the battery top cover after laser welding. During shaping, the stress generated by the battery top cover after laser welding can be better released, so that the battery top cover remains flat and the shaping effect is better. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 This is a schematic diagram of the closed state of the utility model;

[0015] Figure 2 This is a schematic diagram of the utility model in the open state;

[0016] Figure 3 This is a schematic diagram of the decomposition of the utility model;

[0017] Figure 4 This is the front view of the utility model;

[0018] Figure 5 Schematic diagram of the upper die base;

[0019] Figure 6 Schematic diagram of the upper shaping mold (bottom facing up);

[0020] Figure 7 This is a cross-sectional schematic diagram of the utility model after the battery top cover is placed;

[0021] Figure 8 This is a schematic diagram of the battery top cover and welding position;

[0022] Figure 9 This is a schematic diagram of the battery top cover welding deformation;

[0023] In the figure: 1-upper die, 2-lower die, 3-upper die base, 301-upper module mounting hole, 302-upper positioning hole, 303-upper die mounting hole, 304-upper cavity, 4-upper shaping die, 401-upper module, 402-upper module countersink, 403-pole upper groove, 404-explosion-proof valve unit upper groove, 405-upper shaping arc surface, 5-first bolt, 6-lower die base, 601-product removal groove, 602-lower module mounting hole, 603-lower cavity, 604-lower die base countersink, 7-lower shaping die, 701-lower module, 702-lower module countersink, 703-pole lower groove, 704-explosion-proof valve unit lower groove, 705-lower shaping arc surface, 8-second bolt, 9-third bolt, 10-locating pin, 11-battery top cover, 1101-pole, 1102-explosion-proof valve unit. DETAILED DESCRIPTION

[0024] The present invention will be described in detail below with reference to the accompanying drawings and specific embodiments.

[0025] See also Figures 1-9 , an embodiment provided by the utility model:

[0026] A new energy battery top cover shaping jig comprises an upper mold 1, a lower mold 2 and a battery top cover 11. The upper mold 1 is detachably fixedly provided with an upper shaping mold 4 at the bottom, and the upper shaping mold 4 is provided with an upper shaping curved surface 405. The lower mold 2 is provided with a lower cavity 603. A lower shaping mold 7 is detachably fixedly provided in the lower cavity 603, and the lower shaping mold 7 is provided with a lower shaping curved surface 705. The depth of the lower cavity 603 is greater than the height of the lower shaping mold 7. The battery top cover 11 is placed on the lower shaping mold 7 and matched in the lower cavity 603. The upper shaping curved surface 405 and the lower shaping curved surface 705 are aligned and have the same arc shape and arc direction. By moving the upper mold 1 downward, the upper shaping curved surface 405 presses the battery top cover 11 against the lower shaping curved surface 705 to shape the battery top cover 11. The upper mold 1 and the lower mold 2 are aligned and provided with a positioning structure for positioning the upper mold 1 and the lower mold 2 during shaping.

[0027] Among them, the upper mold 1 includes an upper mold base 3, the upper mold base 3 is provided with an upper cavity 304, the upper mold base 3 is provided with a plurality of upper module mounting holes 301 within the range of the upper cavity 304, the upper shaping mold 4 includes a plurality of upper modules 401 of different shapes, the upper module 401 is provided with an upper module countersunk hole 402, the upper module 401 is fixedly connected to the upper mold base 3 by a first bolt 5 passing through the upper module countersunk hole 402 and screwed into the upper module mounting hole 301, the head of the first bolt 5 is located in the upper module countersunk hole 402 to prevent the first bolt 5 from interfering with the battery top cover 11 during shaping, and the upper module 4 After 01 is assembled into the upper shaping mold 4, it is matched with the upper cavity 304 and the explosion-proof valve unit upper groove 404 is formed in the middle of the upper shaping mold 4 and the pole upper groove 403 is formed at both ends. The explosion-proof valve unit upper groove 404 is used to accommodate the upward part of the explosion-proof valve unit 1102 of the battery top cover 11 during shaping, and the pole upper groove 403 is used to accommodate the upward part of the pole 1101 of the battery top cover 11 to prevent the pole 1101 and the explosion-proof valve unit 1102 from interfering with the upper shaping mold 4 during shaping. The bottom surface of the upper module 401 is assembled to form an upper shaping arc surface 405.

[0028] Among them, the lower mold 2 includes a lower mold base 6, and the lower mold base 6 is provided with a lower cavity 603. The size of the lower cavity 603 matches the shape of the battery top cover 11 so as to position the four end faces of the battery top cover 11. The lower mold base 6 is provided with a plurality of lower module mounting holes 602 within the range of the lower cavity 603. The lower shaping mold 7 includes a plurality of lower modules 701 of different shapes. The lower module 701 is provided with a lower module countersunk hole 702. The lower module 701 is fixedly connected to the lower mold base 6 by a second bolt 8 passing through the lower module countersunk hole 702 and screwed into the lower module mounting hole 602. The head of the second bolt 8 is located in the lower module countersunk hole 702 to prevent the second bolt 8 from being screwed into the lower module mounting hole 602 during shaping. The two bolts 8 interfere with the battery top cover 11. After the lower module 701 is assembled into the lower shaping mold 7, it is matched and located in the lower cavity 603, and an explosion-proof valve unit lower groove 704 is formed in the middle of the lower shaping mold 7, and a pole lower groove 703 is formed at both ends. The explosion-proof valve unit lower groove 704 is used to accommodate the downward part of the explosion-proof valve unit 1102 of the battery top cover 11 during shaping, and the pole lower groove 703 is used to accommodate the downward part of the pole 1101 of the battery top cover 11 to prevent the pole 1101 and the explosion-proof valve unit 1102 from interfering with the lower shaping mold 7 during shaping. The top surface of the lower module 701 is assembled to form a lower shaping arc surface 705. The upper shaping arc surface 405 and the lower shaping arc surface 705 cooperate with each other to reshape the battery top cover 11. The arc shape and arc direction of the upper shaping arc surface 405 and the lower shaping arc surface 705 are the same and the arc direction is downward, which is opposite to the deformation direction of the battery top cover 11 after laser welding. During the shaping process, the stress generated by the battery top cover 11 after laser welding can be better released, so that the battery top cover 11 remains flat and the shaping effect is better.

[0029] Among them, the positioning structure includes an upper positioning hole 302, a lower die base countersunk hole 604, a third bolt 9 and a positioning pin 10. The upper positioning hole 302 is opened at the diagonal position of the upper die base 3, and the lower die base countersunk hole 604 is opened at the diagonal position of the lower die base 6 and corresponds to the position of the upper positioning hole 302. The third bolt 9 passes through the lower die base countersunk hole 604 from bottom to top and is threadedly connected with the positioning pin 10. The head of the third bolt 9 is located in the lower die base countersunk hole 604, and the positioning pin 10 matches the upper positioning hole 302. During shaping, the upper die 1 moves downward to insert the positioning pin 10 into the upper positioning hole 302, which plays a role in positioning and inverting the upper and lower cavities.

[0030] Among them, upper mold mounting holes 303 are opened at the four corners of the upper mold base 3 for mounting the upper mold 1 on the shaping equipment.

[0031] Among them, a lower mold mounting hole is opened at the bottom of the lower mold base 6, which is used to fix the lower mold 2 on the workbench of the plastic surgery equipment.

[0032] Among them, the side of the lower mold base 6 is symmetrically provided with a product removal groove 601, which is convenient for taking out the battery top cover 11.

[0033] Although the embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and variations may be made to these embodiments without departing from the principles and spirit of the present invention, and the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A new energy battery top cover shaping jig, comprising an upper die (1), a lower die (2) and a battery top cover (11), characterized in that: The upper mold (1) is detachably fixedly provided with an upper shaping mold (4) at the bottom, and the upper shaping mold (4) is provided with an upper shaping arc surface (405). The lower mold (2) is provided with a lower cavity (603). The lower shaping mold (7) is detachably fixedly provided in the lower cavity (603), and the lower shaping mold (7) is provided with a lower shaping arc surface (705). The depth of the lower cavity (603) is greater than the height of the lower shaping mold (7). The battery top cover (11) is placed on the lower shaping mold (7) and matched in the lower cavity (603). The upper shaping arc surface (405) and the lower shaping arc surface (705) are aligned and have the same arc shape and arc direction. The upper mold (1) and the lower mold (2) are aligned and provided with a positioning structure.

2. The new energy battery top cover shaping jig according to claim 1, characterized in that: The upper die (1) includes an upper die base (3), the upper die base (3) is provided with an upper cavity (304), the upper die base (3) is provided with a plurality of upper module mounting holes (301) within the range of the upper cavity (304), the upper shaping die (4) includes a plurality of upper modules (401) of different shapes, the upper modules (401) are provided with upper module countersunk holes (402), and the upper modules (401) are passed through the upper module countersunk holes (402) by first bolts (5). The upper module is screwed into the upper module mounting hole (301) and fixedly connected to the upper die base (3). The head of the first bolt (5) is located in the upper module countersunk hole (402). After the upper module (401) is assembled into the upper shaping die (4), it is matched and located in the upper cavity (304) and forms an explosion-proof valve unit upper groove (404) in the middle of the upper shaping die (4) and pole upper grooves (403) at both ends. After the bottom surface of the upper module (401) is assembled, an upper shaping arc surface (405) is formed.

3. The new energy battery top cover shaping jig according to claim 1, characterized in that: The lower mold (2) includes a lower mold base (6), the lower mold base (6) is provided with a lower cavity (603), the size of the lower cavity (603) matches the shape of the battery top cover (11), the lower mold base (6) is provided with a plurality of lower module mounting holes (602) within the range of the lower cavity (603), the lower shaping mold (7) includes a plurality of lower modules (701) of different shapes, the lower modules (701) are provided with lower module countersunk holes (702), and the lower modules (701) are connected by second bolts (8) The second bolt (8) passes through the lower module countersunk hole (702) and is screwed into the lower module mounting hole (602) to be fixedly connected to the lower die base (6). The head of the second bolt (8) is located in the lower module countersunk hole (702). After the lower module (701) is assembled into the lower shaping die (7), it is matched and located in the lower cavity (603) and forms an explosion-proof valve unit lower groove (704) in the middle of the lower shaping die (7) and pole lower grooves (703) at both ends. After the top surface of the lower module (701) is assembled, a lower shaping arc surface (705) is formed.

4. The new energy battery top cover shaping jig according to claim 3 is characterized in that: The positioning structure includes an upper positioning hole (302), a lower die base countersunk hole (604), a third bolt (9) and a positioning pin (10), wherein the upper positioning hole (302) is provided at a diagonal position of the upper die base (3), the lower die base countersunk hole (604) is provided at a diagonal position of the lower die base (6) and corresponds to the position of the upper positioning hole (302), the third bolt (9) passes through the lower die base countersunk hole (604) from bottom to top and is threadedly connected to the positioning pin (10), and the positioning pin (10) matches the upper positioning hole (302).

5. The new energy battery top cover shaping jig according to claim 2, characterized in that: Upper die mounting holes (303) are provided at the four corners of the upper die base (3).

6. The new energy battery top cover shaping jig according to claim 3, characterized in that: A lower die mounting hole is provided at the bottom of the lower die base (6).

7. The new energy battery top cover shaping jig according to claim 3, characterized in that: The lower die base (6) is symmetrically provided with a product taking groove (601) on the side.

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