Battery shell injection mold

Abstract

The utility model discloses a battery case injection mold, which relates to the technical field of battery cases, and comprises a bottom plate, an upper plate is arranged above the bottom plate, four telescopic air rods distributed in a rectangular array are fixedly arranged between the upper plate and the bottom plate, an upper mold is fixedly arranged at the lower end of the upper plate, and a lower mold is fixedly arranged at the lower end of the lower plate. The battery shell injection mold comprises a bottom plate, a lower mold is arranged at the upper end of the bottom plate, a penetrating through groove is formed in the upper end of the bottom plate, a base plate is arranged below the bottom plate, a first side gear is rotationally arranged at the upper end of the base plate, and a second side gear is connected to the outer surface of the first side gear in a meshed mode. According to the injection molding device for the battery shell, the formed shell can be pushed out, the efficiency of taking out the formed battery shell is improved, unnecessary troubles are reduced, and therefore the efficiency of injection molding machining is improved, and the lower mold structure is convenient to replace, so that different lower molds can be installed, and the battery shells with different requirements can be machined.

Description

Technical Field

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

[0002] The battery casing is mainly made of plastic or metal materials, and has the functions of protecting the internal structure, preventing leakage, insulation, sealing and carrying internal components. Plastic battery casings are usually made of ABS, PC, PP and other materials. These materials are light, beautiful, and have good insulation properties. They can be dyed as needed, and plastic battery casings are usually made by injection molding.

[0003] However, the prior art still has the following problems:

[0004] First, the battery shell injection mold of the prior art is usually not convenient for removing the molded battery shell, and usually requires manual pouring or cooperation with the removal structure, which is troublesome to operate and may cause damage to the battery shell, reducing the efficiency of the injection molding process to a certain extent;

[0005] Secondly, in the prior art battery shell injection molds, most of the lower mold structures are inconvenient to replace, and the structures of most molds are fixed, so only a single type of battery shell can be injection molded. However, the shell sizes of batteries of different specifications vary, and it is inconvenient to replace the lower mold, which makes the mold limited.

[0006] In view of the above problems, the inventor proposes a battery casing injection mold to solve the above problems. Utility Model Content

[0007] In order to solve the problem that it is inconvenient to take out the battery shell after molding and the problem that it is inconvenient to replace the lower mold structure; the purpose of the utility model is to provide a battery shell injection mold.

[0008] In order to solve the above technical problems, the utility model adopts the following technical scheme: a battery shell injection mold, comprising a bottom plate, four legs are fixedly arranged at the lower end of the bottom plate, an upper plate is arranged above the bottom plate, four telescopic gas rods distributed in a rectangular array are fixedly arranged between the upper plate and the bottom plate, an upper mold is fixedly arranged at the lower end of the upper plate, a lower mold is arranged at the upper end of the bottom plate, a through-type through groove is opened at the upper end of the bottom plate, a chassis is arranged below the bottom plate, the lower end of the chassis is at the same height as the lower ends of the legs, a first side gear is rotatably arranged at the upper end of the chassis, and the outer surface of the first side gear meshes with the gear A second side gear is connected to the gear, a rotating column is fixedly provided at the outer end of the second side gear, a rotating disk is fixedly provided at the outer end of the rotating column, a screw rod is fixedly provided at the upper end of the first side gear, a support block is fixedly provided at one side of the lower end of the base plate, the upper end of the screw rod is rotatably connected to the lower end of the support block, a lifting block is threadedly sleeved on the outer surface of the screw rod, a telescopic rod is fixedly provided between the support block and the lifting block, a pillar is fixedly provided at one end of the lifting block, a push plate is fixedly provided at the upper end of the pillar, the size of the through groove is the same as the size of the inner surface of the lower mold, and the outer surface of the push plate is in movably contact with the inner wall of the through groove.

[0009] Preferably, two limit blocks are fixedly provided on both sides of the upper end of the base plate, a movable plate is slidably provided between the two adjacent limit blocks, the cross-sectional shape of the movable plate is an inverted T-shape, a clamping strip is fixedly provided on the inner end of the movable plate, and clamping slots for cooperating with the clamping strip are provided at both ends of the lower mold, and the outer surface of one end of the clamping strip is in contact with the inner wall of the clamping slot.

[0010] Compared with the prior art, the beneficial effects of the utility model are:

[0011] 1. The utility model can push out the molded shell by moving the push plate upward, which improves the efficiency of taking out the molded battery shell, reduces unnecessary troubles, and thus improves the efficiency of injection molding;

[0012] 2. The lower mold structure of the utility model is easy to replace, so different lower molds can be installed. The installation is simple and the firmness after installation is high. Battery shells with different requirements can be processed, thereby improving the versatility of the mold. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0014] Figure 1It is a schematic diagram of the overall structure of the utility model.

[0015] Figure 2 It is an exploded view of the bottom plate, lower mold section structure and push plate structure of the utility model.

[0016] Figure 3 It is a schematic diagram of the cross-sectional structure of the push plate and its connection structure of the utility model.

[0017] Figure 4 It is an exploded schematic diagram of the upper part structure of the bottom plate and the sealing strip structure of the utility model.

[0018] In the figure: 1, bottom plate; 11, lower mold; 12, through groove; 13, push plate; 14, sealing strip; 2, telescopic gas rod; 3, upper plate; 31, upper mold; 4, chassis; 41, first side gear; 42, second side gear; 43, rotating column; 44, rotating disk; 45, screw rod; 46, lifting block; 47, pillar; 48, supporting block; 49, telescopic rod; 410, vertical plate; 411, reinforcing plate; 5, limit block; 51, movable plate; 52, card strip; 53, card slot. DETAILED DESCRIPTION

[0019] 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. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. 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.

[0020] Embodiment 1: Figure 1-3As shown, the utility model provides a battery shell injection mold, including a bottom plate 1, an upper plate 3 is provided above the bottom plate 1, four telescopic gas rods 2 distributed in a rectangular array are fixedly provided between the upper plate 3 and the bottom plate 1, an upper mold 31 is fixedly provided at the lower end of the upper plate 3, a lower mold 11 is provided at the upper end of the bottom plate 1, a through-type through groove 12 is opened at the upper end of the bottom plate 1, a chassis 4 is provided below the bottom plate 1, a first side gear 41 is rotatably provided at the upper end of the chassis 4, a second side gear 42 is meshingly connected to the outer surface of the first side gear 41, a rotating column 43 is fixedly provided at the outer end of the rotating column 43, a rotating disk 44 is fixedly provided at the outer end of the rotating column 43, a screw rod 45 is fixedly provided at the upper end of the first side gear 41, a lifting block 46 is threadedly sleeved on the outer surface of the screw rod 45, and one end of the lifting block 46 A support 47 is fixedly provided, and a push plate 13 is fixedly provided on the upper end of the support 47. The bottom plate 1 serves as a carrier for placing the structure. The upper mold 31 and the lower mold 11 under the upper plate 3 constitute a mold. The telescopic gas rod 2 can be extended and retracted to cooperate with the completion of injection molding. After the injection molding is completed and cooled, the turntable 44 is rotated to rotate the rotating column 43. When the rotating column 43 rotates, the second side gear 42 rotates, so that the first side gear 41 rotates on the chassis 4. The lower end of the chassis 4 contacts the ground. When the first side gear 41 rotates, it drives the screw rod 45 to rotate, so that the lifting block 46 is lifted and lowered on the screw rod 45. The lifting block 46 drives the push plate 13 to move upward through the support 47 to push out the formed shell, thereby improving the efficiency of removing the formed battery shell, reducing unnecessary troubles, and thus improving the efficiency of the injection molding process.

[0021] The size of the through slot 12 is the same as the inner surface size of the lower mold 11, and the outer surface of the push plate 13 is in active contact with the inner wall of the through slot 12, so that the push plate 13 can push out the formed shell while cooperating with the injection molding work.

[0022] A support block 48 is fixedly provided on one side of the lower end of the base plate 1, the upper end of the screw rod 45 is rotatably connected to the lower end of the support block 48, and a telescopic rod 49 is fixedly provided between the support block 48 and the lifting block 46. The support block 48 improves the rotation stability of the screw rod 45, the telescopic rod 49 connects the chassis 4 structure with the base plate 1, and the telescopic rod 49 ensures that the lifting block 46 will not rotate with the rotation of the screw rod 45 when it is raised or lowered.

[0023] A vertical plate 410 is fixedly provided on one side of the upper end of the chassis 4, and the second side gear 42 is rotatably connected to the vertical plate 410. A reinforcing plate 411 is fixedly provided on one side of the outer surface of the chassis 4, and the rotating column 43 is through-connected with the reinforcing plate 411. The vertical plate 410 improves the rotation stability of the second side gear 42, and the reinforcing plate 411 improves the rotation stability of the rotating column 43.

[0024] A sealing strip 14 is fixedly provided at the lower end of the bottom plate 1 , and the sealing strip 14 is located at the lower end of the through groove 12 . The sealing strip 14 improves the sealing performance of the lower end of the through groove 12 and enhances the injection molding effect.

[0025] Embodiment 2: Figure 4 As shown, two limit blocks 5 are fixed on both sides of the upper end of the bottom plate 1, and a movable plate 51 is slidably provided between the two adjacent limit blocks 5. A clamping strip 52 is fixed on the inner end of the movable plate 51, and both ends of the lower mold 11 are provided with a clamping groove 53 used to cooperate with the clamping strip 52. The movable plate 51 can slide between the limit blocks 5, and the clamping strip 52 is clamped into the clamping groove 53 on the lower mold 11 while sliding. In this way, different lower molds 11 can be installed, the installation is simple, and the firmness after installation is high, thereby improving the versatility of the mold.

[0026] Working principle: the bottom plate 1 is used as a carrier for placing the structure, the upper mold 31 and the lower mold 11 under the upper plate 3 constitute a mold, and the telescopic gas rod 2 can be extended and retracted to cooperate with the completion of injection molding. After the injection molding is completed and cooled, the turntable 44 is rotated to rotate the rotating column 43. When the rotating column 43 rotates, the second side gear 42 rotates, so that the first side gear 41 rotates on the chassis 4. The lower end of the chassis 4 contacts the ground. When the first side gear 41 rotates, it drives the screw rod 45 to rotate, so that the lifting block 46 is lifted and lowered on the screw rod 45. The lifting block 46 drives the push plate 13 to move upward through the pillar 47 to push out the formed shell, thereby improving the efficiency of taking out the formed battery shell and reducing unnecessary troubles, thereby improving the efficiency of the injection molding process;

[0027] The size of the through groove 12 is the same as the inner surface size of the lower mold 11, and the outer surface of the push plate 13 is in active contact with the inner wall of the through groove 12, so that the push plate 13 can push out the formed shell while cooperating with the injection molding work;

[0028] The support block 48 improves the rotation stability of the screw rod 45, and the telescopic rod 49 connects the chassis 4 structure with the bottom plate 1, and the telescopic rod 49 prevents the lifting block 46 from rotating with the rotation of the screw rod 45 when it is lifted or lowered;

[0029] The vertical plate 410 improves the rotation stability of the second side gear 42, and the reinforcing plate 411 improves the rotation stability of the rotating column 43;

[0030] The sealing strip 14 improves the sealing performance of the lower end of the through groove 12 and enhances the injection molding effect;

[0031] The movable plate 51 can slide between the limit blocks 5, and the card strip 52 is inserted into the card slot 53 on the lower mold 11 while sliding, so that different lower molds 11 can be installed, the installation is simple, and the firmness after installation is high, thereby improving the versatility of the mold.

[0032] Obviously, those skilled in the art can make various changes and modifications to the present invention without departing from the spirit and scope of the present invention. Thus, if these modifications and variations of the present invention fall within the scope of the claims of the present invention and their equivalents, the present invention is also intended to include these modifications and variations.

Claims

1. A battery housing injection mold, comprising a bottom plate (1), characterized in that: An upper plate (3) is provided above the bottom plate (1), four telescopic gas rods (2) arranged in a rectangular array are fixedly provided between the upper plate (3) and the bottom plate (1), an upper mold (31) is fixedly provided at the lower end of the upper plate (3), a lower mold (11) is provided at the upper end of the bottom plate (1), a through-type through slot (12) is provided at the upper end of the bottom plate (1), a bottom plate (4) is provided below the bottom plate (1), a first side gear (41) is rotatably provided at the upper end of the bottom plate (4), and the first side gear (41) is rotatably provided at the upper end of the bottom plate (4). The outer surface of the gear (41) is meshingly connected with a second side gear (42), a rotating column (43) is fixedly provided at the outer end of the second side gear (42), a rotating disk (44) is fixedly provided at the outer end of the rotating column (43), a screw rod (45) is fixedly provided at the upper end of the first side gear (41), a lifting block (46) is threadedly sleeved on the outer surface of the screw rod (45), a pillar (47) is fixedly provided at one end of the lifting block (46), and a push plate (13) is fixedly provided at the upper end of the pillar (47).

2. A battery housing injection mold according to claim 1, characterized in that: Two limit blocks (5) are fixedly provided on both sides of the upper end of the bottom plate (1); a movable plate (51) is slidably provided between the two adjacent limit blocks (5); a clamping strip (52) is fixedly provided at the inner end of the movable plate (51); and clamping grooves (53) for matching with the clamping strip (52) are provided at both ends of the lower mold (11).

3. A battery housing injection mold according to claim 1, characterized in that: The size of the through groove (12) is the same as the size of the inner surface of the lower mold (11), and the outer surface of the push plate (13) is in active contact with the inner wall of the through groove (12).

4. A battery housing injection mold according to claim 1, characterized in that: A support block (48) is fixedly provided on one side of the lower end of the base plate (1), and the upper end of the screw rod (45) is rotatably connected to the lower end of the support block (48).

5. A battery housing injection mold as claimed in claim 4, characterized in that: A telescopic rod (49) is fixedly provided between the support block (48) and the lifting block (46).

6. A battery housing injection mold according to claim 1, characterized in that: A vertical plate (410) is fixedly provided on one side of the upper end of the chassis (4), and the second side gear (42) is rotatably connected to the vertical plate (410).

7. A battery housing injection mold according to claim 1, characterized in that: A reinforcing plate (411) is fixedly provided on one side of the outer surface of the chassis (4), and the rotating column (43) is connected through the reinforcing plate (411).

8. A battery housing injection mold according to claim 1, characterized in that: A sealing strip (14) is fixedly provided at the lower end of the bottom plate (1), and the sealing strip (14) is located at the lower end of the through groove (12).

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