Battery shell injection mold

Abstract

The utility model discloses a battery shell injection mold which comprises a base, supporting bases are arranged on the two sides of the top end of the base, a lower mold base is fixed to the top ends of the two supporting bases, an upper mold base is arranged above the lower mold base, a top base is fixed to the top end of the upper mold base, and a driving connecting port is formed in the center of the top end of the top base. A lower die is arranged in the center of the top of the lower die base, protruding blocks are arranged at the corners of the top of the lower die, a lower die core is arranged in the center of the top end of the lower die, inserting grooves are formed in the two sides of the top of the lower die core, an upper die is arranged in the center of the bottom of the upper die base, and grooves are formed in the corners of the bottom of the upper die. An upper die cavity is formed in the upper die, and inserting blocks are arranged on the two sides of the interior of the upper die cavity. According to the injection mold, the injection molding precision of the injection mold on a battery shell during use is guaranteed, the sealing performance of the injection mold during use is also guaranteed, and the phenomenon that the first injection molding opening and the second injection molding opening are eroded by dust is reduced.

Description

Technical Field

[0001] The utility model relates to the technical field of molds, in particular to a battery shell injection mold. Background Art

[0002] With the popularization and development of electronic products, batteries are their core energy components. The quality of their shells directly affects the performance and service life of the batteries. In order to perform injection molding process on the battery shells, corresponding injection molds are required.

[0003] A battery housing injection mold with reference announcement number CN220447036U comprises a bottom plate, a bottom mold is arranged on the top of the bottom plate, a top plate is arranged on the top of the bottom plate, an upper mold is arranged on the bottom of the top plate, a feed cavity is arranged on the surface of the top plate, an injection pipe is arranged on the top of the feed cavity, an injection head is arranged on the top of the injection pipe, a dustproof structure is arranged on the surface of the lower mold, the dustproof structure comprises a dustproof plate, the dustproof plate is mounted on the surface of the lower mold, and positioning holes are arranged at the four corners of the surface of the lower mold. The injection mold can be used when the mold is not in use. , the lower mold is dust-proofed to prevent dust from falling into the mold cavity of the lower mold and affecting the injection molding of the battery shell, and the injection tube can be heated to prevent the residual raw material inside the injection tube from solidifying and causing the injection tube to be blocked, affecting the injection effect of the battery raw material. According to the above, although the injection mold can be well applied, it is usually not convenient to perform multiple calibration limits between the upper mold and the lower mold, and it is difficult to accurately ensure that the upper mold is pressed on the lower mold to perform injection molding of the battery shell, which affects the injection molding accuracy of the battery shell, which often troubles people. Utility Model Content

[0004] The purpose of the utility model is to provide a battery shell injection mold to solve the problem that although the injection mold can be well applied in the above background technology, it is usually not convenient to perform multiple calibration limits between the upper mold and the lower mold, and it is difficult to accurately ensure that the upper mold is pressed on the lower mold to perform injection molding of the battery shell, thereby affecting the injection molding accuracy of the battery shell.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a battery shell injection mold, comprising a base, support seats are arranged on both sides of the top of the base, lower mold seats are fixed on the tops of the two support seats, an upper mold seat is arranged above the lower mold seat, a top seat is fixed on the top of the upper mold seat, a driving connection port is arranged at the center position of the top of the top seat, a lower mold is arranged at the center position of the top of the lower mold seat, protrusions are arranged at the corner positions of the top of the lower mold, a lower mold core is arranged at the center position of the top of the lower mold, slots are arranged on both sides of the top of the lower mold core, an upper mold is arranged at the center position of the bottom of the upper mold seat, grooves are arranged at the corner positions of the bottom of the upper mold, an upper mold is arranged inside the upper mold, and plug blocks are arranged on both sides of the inside of the upper mold cavity.

[0006] Preferably, pins are provided at the corner positions of the top of the lower die seat, and pin barrels are provided at the corner positions of the bottom of the upper die seat. Through the provision of the pins and the pin barrels, the upper die seat can be calibrated and pressed down to the top of the lower die seat.

[0007] Preferably, a lower rectangular rubber piece is provided on the outer wall of the upper end of the lower mold base, and an upper rectangular rubber piece is provided on the outer wall of the lower end of the upper mold base. The upper rectangular rubber piece and the lower rectangular rubber piece are provided to seal the connection position between the lower mold base and the upper mold base.

[0008] Preferably, two second injection ports are provided on the outer wall on one side of the lower mold base, and two first injection ports are provided on the outer wall on one side of the upper mold base, so that the hot melt raw material can be injected into the upper mold cavity outside the lower mold core through the setting of the second injection ports and the first injection ports.

[0009] Preferably, protective structures are provided on the outer walls of the upper mold base and the lower mold base outside the first injection port and the second injection port, and the protective structures are provided to shield and protect the first injection port and the second injection port.

[0010] Preferably, the protective structure includes a protective cover, and the outer sides of the first injection port and the second injection port are both provided with protective covers, and the protective covers are provided to cooperate with the cover plate to shield and protect the first injection port and the second injection port.

[0011] Preferably, the protective structure further includes a connecting belt and a cover plate. A connecting belt is provided on the outer wall of one side of the protective cover, and a cover plate is provided on the end of the connecting belt away from the protective cover. The connecting belt is provided to connect the protective cover and the cover plate.

[0012] Preferably, the protective structure includes a buckle ring, and the buckle ring is arranged on the inner wall of the cover plate. The buckle ring cooperates with the protective cover, and the cover plate is covered on the surface of the protective cover by the arrangement of the buckle ring.

[0013] Compared with the prior art, the utility model has the following beneficial effects: the battery housing injection mold not only ensures the injection molding accuracy of the battery housing when the injection mold is used, but also ensures the sealing of the injection mold when it is used, and reduces the phenomenon that the first injection port and the second injection port are eroded by dust;

[0014] (1) Through the arrangement of the pin and the pin barrel, when the upper mold base moves down to the top of the lower mold base, the pin will be inserted into the pin barrel to initially calibrate the upper mold to the top of the lower mold, and then the insert block is inserted into the slot, and the protrusion is inserted into the groove, so that the upper mold can be multi-calibrated to the top of the lower mold, thereby ensuring the injection molding accuracy of the battery shell when the injection mold is used;

[0015] (2) By setting the upper rectangular rubber piece and the lower rectangular rubber piece, when the upper mold base is pressed down on the top of the lower mold base, the lower surface of the upper rectangular rubber piece will be attached to the upper surface of the lower rectangular rubber piece, so that the upper rectangular rubber piece cooperates with the lower rectangular rubber piece to seal the gap at the connection position between the lower mold base and the upper mold base, thereby ensuring the sealing of the injection mold when it is used;

[0016] (3) By fastening the buckle ring into the protective cover, the cover plate can be covered on the surface of the protective cover to shield and protect the first injection port and the second injection port, thereby reducing the phenomenon of dust erosion on the first injection port and the second injection port. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a schematic diagram of the three-dimensional structure of the utility model;

[0018] Figure 2 This is a schematic diagram of the top view of the lower die base of the utility model;

[0019] Figure 3 This is a schematic diagram of the upper die base structure when viewed from above of the utility model;

[0020] Figure 4 It is an enlarged structural diagram of the protective structure of the utility model.

[0021] In the figure: 1. base; 2. support base; 3. lower mold base; 4. upper mold base; 5. top base; 6. drive connection port; 7. first injection port; 8. second injection port; 9. upper rectangular rubber part; 10. lower rectangular rubber part; 11. lower mold; 1101. bump; 12. lower mold core; 1201. slot; 13. pin; 14. upper mold; 1401. groove; 15. upper mold cavity; 1501. insert; 16. pin barrel; 17. protective structure; 1701. protective cover; 1702. connecting belt; 1703. cover plate; 1704. buckle. DETAILED DESCRIPTION

[0022] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0023] See also Figure 1-4 The utility model provides an embodiment: a battery shell injection mold, including a base 1, support bases 2 are arranged on both sides of the top of the base 1, lower mold bases 3 are fixed on the tops of the two support bases 2, pins 13 are arranged at the corners of the top of the lower mold base 3, and pin barrels 16 are arranged at the corners of the bottom of the upper mold base 4;

[0024] When in use, the upper die base 4 is calibrated and pressed down on the top of the lower die base 3 by setting the pin 13 and the pin barrel 16;

[0025] A lower rectangular rubber piece 10 is provided on the outer wall of the upper end of the lower die base 3, and an upper rectangular rubber piece 9 is provided on the outer wall of the lower end of the upper die base 4;

[0026] When in use, the upper rectangular rubber piece 9 and the lower rectangular rubber piece 10 are arranged so as to perform sealing treatment on the connection position between the lower mold base 3 and the upper mold base 4;

[0027] Two second injection ports 8 are arranged on the outer wall of one side of the lower mold base 3, and two first injection ports 7 are arranged on the outer wall of one side of the upper mold base 4;

[0028] When in use, the second injection port 8 and the first injection port 7 are arranged so as to inject the hot melt raw material into the upper mold cavity 15 outside the lower mold core 12;

[0029] A protective structure 17 is provided on the outer walls of the upper mold base 4 and the lower mold base 3 outside the first injection port 7 and the second injection port 8;

[0030] When in use, the protective structure 17 is provided to shield and protect the first injection port 7 and the second injection port 8;

[0031] The protection structure 17 includes a protection cover 1701. The outer sides of the first injection port 7 and the second injection port 8 are both provided with a protection cover 1701.

[0032] When in use, the protective cover 1701 is arranged to cooperate with the cover plate 1703 to shield and protect the first injection port 7 and the second injection port 8;

[0033] The protective structure 17 further includes a connecting belt 1702 and a cover plate 1703. The connecting belt 1702 is arranged on the outer wall of one side of the protective cover 1701, and the cover plate 1703 is arranged on the end of the connecting belt 1702 away from the protective cover 1701;

[0034] When in use, the connecting belt 1702 is provided to connect the protective cover 1701 and the cover plate 1703;

[0035] The protective structure 17 includes a buckle 1704. The buckle 1704 is arranged on the inner wall of the cover plate 1703. The buckle 1704 cooperates with the protective cover 1701.

[0036] When in use, the cover plate 1703 is covered on the surface of the protective cover 1701 by the setting of the buckle ring 1704;

[0037] An upper mold base 4 is arranged above the lower mold base 3, a top base 5 is fixed to the top of the upper mold base 4, a driving connection port 6 is arranged at the center position of the top of the top base 5, a lower mold 11 is arranged at the center position of the top of the lower mold base 3, protrusions 1101 are arranged at the corner positions of the top of the lower mold 11, a lower mold core 12 is arranged at the center position of the top of the lower mold 11, and slots 1201 are arranged on both sides of the top of the lower mold core 12, an upper mold 14 is arranged at the center position of the bottom of the upper mold base 4, grooves 1401 are arranged at the corner positions of the bottom of the upper mold 14, an upper mold cavity 15 is arranged inside the upper mold 14, and plug blocks 1501 are arranged on both sides of the inside of the upper mold cavity 15.

[0038] When the embodiment of the present application is used, first, by setting the pin 13 and the pin barrel 16, when the upper mold base 4 moves down to the top of the lower mold base 3, the pin 13 will be inserted into the pin barrel 16 to initially calibrate the upper mold 14 to the top of the lower mold 11, and then the plug 1501 is inserted into the slot 1201, and the protrusion 1101 is inserted into the groove 1401, so that the upper mold 14 can be multi-calibrated to the top of the lower mold 11, and then the hot melt raw material is injected into the upper mold cavity 15 outside the lower mold core 12 through the first injection port 7 and the second injection port 8, and the battery shell can be injection molded, and then the upper rectangular rubber The lower surface of the component 9 is tightly fitted to the upper surface of the lower rectangular rubber component 10, and the upper rectangular rubber component 9 cooperates with the lower rectangular rubber component 10 to seal the gap at the connection position between the lower mold base 3 and the upper mold base 4 to improve the sealing of the injection mold. Finally, by buckling the buckle 1704 into the protective cover 1701, the cover plate 1703 can be covered on the surface of the protective cover 1701, so that the protective cover 1701 cooperates with the cover plate 1703 to shield and protect the first injection port 7 and the second injection port 8, which can effectively reduce the erosion of the first injection port 7 and the second injection port 8 caused by dust, thereby completing the use of the injection mold.

Claims

1. A battery housing injection mold, characterized in that: The invention comprises a base (1), support bases (2) are arranged on both sides of the top of the base (1), lower mold bases (3) are fixed on the tops of the two support bases (2), an upper mold base (4) is arranged above the lower mold base (3), a top base (5) is fixed on the top of the upper mold base (4), a driving connection port (6) is arranged at the center position of the top of the top base (5), a lower mold (11) is arranged at the center position of the top of the lower mold base (3), and the corner positions of the top of the lower mold (11) are all arranged A protrusion (1101) is provided, a lower mold core (12) is provided at the center position of the top of the lower mold (11), slots (1201) are provided on both sides of the top of the lower mold core (12), an upper mold (14) is provided at the center position of the bottom of the upper mold base (4), grooves (1401) are provided at the corner positions of the bottom of the upper mold (14), an upper mold cavity (15) is provided inside the upper mold (14), and plug blocks (1501) are provided on both sides of the inside of the upper mold cavity (15).

2. A battery housing injection mold according to claim 1, characterized in that: The top corners of the lower die seat (3) are all provided with pins (13), and the bottom corners of the upper die seat (4) are all provided with pin barrels (16).

3. A battery housing injection mold according to claim 1, characterized in that: A lower rectangular rubber piece (10) is arranged on the outer wall of the upper end of the lower die seat (3), and an upper rectangular rubber piece (9) is arranged on the outer wall of the lower end of the upper die seat (4).

4. A battery housing injection mold according to claim 1, characterized in that: Two second injection ports (8) are arranged on the outer wall of one side of the lower mold base (3), and two first injection ports (7) are arranged on the outer wall of one side of the upper mold base (4).

5. A battery housing injection mold according to claim 4, characterized in that: Protective structures (17) are provided on the outer walls of the upper mold base (4) and the lower mold base (3) outside the first injection port (7) and the second injection port (8).

6. A battery housing injection mold according to claim 5, characterized in that: The protective structure (17) comprises a protective cover (1701), and the outer sides of the first injection port (7) and the second injection port (8) are both provided with a protective cover (1701).

7. A battery housing injection mold according to claim 6, characterized in that: The protective structure (17) further comprises a connecting belt (1702) and a cover plate (1703); the connecting belt (1702) is arranged on the outer wall of one side of the protective cover (1701); and the cover plate (1703) is arranged on the end of the connecting belt (1702) away from the protective cover (1701).

8. A battery housing injection mold according to claim 7, characterized in that: The protective structure (17) comprises a buckle ring (1704), and the inner wall of the cover plate (1703) is provided with a buckle ring (1704), and the buckle ring (1704) cooperates with the protective cover (1701).

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