One-time rubber coating injection molding airtight structure

Abstract

The utility model relates to the field of rubber coating injection molding, in particular to a one-time rubber coating injection molding airtight structure which comprises a copper bar body, the inner wall of the copper bar body is rotationally connected with a first bolt, the inner bottom wall of the copper bar body is provided with a second bolt, and the outer surface of the copper bar body is provided with a first plastic rubber block and a second plastic rubber block. The outer surface of the copper bar main body is provided with flower grooves which are arranged at equal intervals, the flower grooves which are arranged at equal intervals are formed in the positions, where gas flows through, of the surface of the copper bar main body, and a first plastic rubber block and a second plastic rubber block are formed through injection molding to wrap a first bolt and a second bolt. Meanwhile, the position of the planter and the position of the copper bar main body are wrapped, the planter structure is formed in the surface of the copper bar main body, the roughness of the surface of the copper bar main body is increased, two products can be better fused during one-time rubber coating injection molding, gas is very difficult to pass through very small and very many gaps, and the service life of the copper bar main body is prolonged. Therefore, the problem of poor air tightness of a package and copper bars is solved.

Description

Technical Field

[0001] The utility model relates to the technical field of glue-coating injection molding, in particular to a one-time glue-coating injection molding airtight structure. Background Art

[0002] Electrical copper busbar is a high-current conductive product suitable for electrical engineering such as high and low voltage electrical appliances, switch contacts, distribution equipment, bus ducts, etc. It is also widely used in ultra-high current electrolytic smelting projects such as metal smelting, electrochemical plating, and chemical caustic soda.

[0003] As the name suggests, encapsulation is the process of encapsulating soft rubber materials onto other materials. The commonly used processing methods include one-time molding with a two-color injection molding machine, or two-time injection molding with a general injection molding machine and an encapsulation mold.

[0004] However, the structure of the copper busbar is that the copper busbar is wrapped in plastic. During the cooling process after injection molding, due to the inconsistent shrinkage of copper and plastic, there will be a gap between the product and the copper busbar. The airtightness test is NG and cannot meet customer requirements. Poor airtightness of the product will cause rust inside the battery, affecting the performance of the entire battery, which has a very serious impact.

[0005] Therefore, a new solution needs to be proposed to solve this problem. Utility Model Content

[0006] In view of the above background technology, the prior art has the following shortcomings and defects: due to the inconsistent shrinkage of copper and plastic, there will be a gap between the product and the copper busbar, and the poor airtightness of the product will cause rust inside the battery, affecting the performance of the entire battery.

[0007] The utility model discloses a one-time overmolding airtight structure, comprising a copper busbar main body, the inner wall of which is rotatably connected with bolt 1, the inner wall of which is installed with bolt 2, the outer surface of which is provided with plastic block 1 and plastic block 2, the inner walls of which are in contact with the outer surfaces of the corresponding bolt 1 and bolt 2, and the outer surface of the copper busbar main body is provided with flower grooves arranged at equal distances.

[0008] Furthermore, the outer surface of the copper busbar body is in sliding contact with a lower mold, and the upper surface of the lower mold is fixedly connected with threaded rods arranged at equal distances.

[0009] Furthermore, an upper mold is provided above the lower mold, and the outer surface of the upper mold is fixedly connected with connecting blocks arranged at equal distances, the inner wall of each connecting block is fixedly installed with a connecting plate, and the inner wall of each connecting plate is fixedly connected with a connecting pin.

[0010] Furthermore, the outer surface of each connecting pin is rotatably connected to gear 1, the inner wall of each gear 1 is threadedly connected to the outer surface of the corresponding threaded rod, the upper surface of the upper mold is rotatably connected to the rotating rod, and the outer surface of the rotating rod is fixedly connected to gear 2.

[0011] Furthermore, the outer surface of the gear 2 is meshed with a toothed belt, and the outer surface of each gear 1 is meshed with the inner wall of the toothed belt.

[0012] Furthermore, two limiting plates are fixedly connected to the inner wall of each connecting block, and the mutually adjacent sides of each limiting plate are in sliding contact with the upper surface and the bottom surface of the toothed belt.

[0013] Furthermore, two injection tubes are fixedly connected to the inner wall of the upper mold, and the bottom end of each injection tube is fixedly connected to the interior of the lower mold.

[0014] Compared with the prior art, the beneficial effects of the present invention are as follows:

[0015] 1. The utility model is provided with a copper busbar body, plastic block 1, plastic block 2, flower grooves and other components. The device opens equidistantly arranged flower grooves at the position where the gas flows through the surface of the copper busbar body, and wraps the bolts 1 and 2 with plastic block 1 and plastic block 2 by injection molding. At the same time, the position of the flower grooves and the position of the copper busbar body are wrapped. The structure of the flower grooves opened on the surface of the copper busbar body increases the surface roughness of the copper busbar body, which can improve the fusion of the two products during one encapsulation injection molding. It is very difficult for gas to pass through very small and very many gaps, thereby solving the problem of poor airtightness of one package and copper gas.

[0016] 2. The utility model places the upper mold above the lower mold by setting components such as connecting pins, gear 1, rotating rods, gear 2, and toothed belts, and places the threaded rod corresponding to the corresponding gear 1. The rotating rod drives gear 2 to rotate, and the gear 2 drives the toothed belt to move. The connection between the toothed belt and multiple gears 1 achieves the synchronous rotation effect of multiple gears 1. The connection between gear 1 and the connecting pin, and the connection between the connecting pin and the connecting plate, achieves the limitation of gear 1. At this time, the connection between gear 1 and the threaded rod achieves the effect of connecting the upper mold and the lower mold, thereby achieving the effect of the upper mold being able to fit tightly with the lower mold, ensuring the sealing during the injection molding process, and reducing the gap between the upper mold and the lower mold, thereby reducing the generation of burrs. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] The drawings described herein are used to provide a further understanding of the present application and constitute a part of the present application. The illustrative embodiments of the present application and their descriptions are used to explain the present application and do not constitute an improper limitation on the present application. In the drawings:

[0018] Figure 1 This is a schematic diagram of the overall three-dimensional structure of the utility model;

[0019] Figure 2 This is a schematic diagram of the top view of the structure of the utility model;

[0020] Figure 3 This is a schematic diagram of the connection structure between the gear 1 and the toothed belt of the utility model;

[0021] Figure 4 This is a structural diagram of the connection relationship between the plastic block 2 and the copper busbar body of the utility model.

[0022] In the figure: 1. Copper busbar body; 2. Bolt 1; 3. Bolt 2; 4. Plastic block 1; 5. Plastic block 2; 6. Flower trough; 7. Lower mold; 8. Threaded rod; 9. Upper mold; 10. Connecting block; 11. Connecting plate; 12. Connecting pin; 13. Gear 1; 14. Rotating rod; 15. Gear 2; 16. Toothed belt; 17. Injection tube; 18. Limit plate. DETAILED DESCRIPTION

[0023] The following diagrams illustrate various embodiments of the present invention. For clarity, many physical details will be included in the following description. However, it should be understood that these physical details are not intended to limit the present invention. In other words, in some embodiments of the present invention, these physical details are not essential. Furthermore, to simplify the illustrations, some commonly used structures and components are depicted in a simplified schematic manner.

[0024] See also Figure 1 、 Figure 2 、 Figure 3 、 Figure 4 The utility model provides a one-time overmolding airtight structure, including a copper busbar main body 1, the inner wall of the copper busbar main body 1 is rotatably connected with a bolt 2, the bolt 2 is installed on the inner wall of the copper busbar main body 1 to achieve the positioning and installation effect of the bolt 2, the inner wall of the copper busbar main body 1 is installed with a bolt 2 3, the bolt 2 3 is also installed inside the copper busbar main body 1 to achieve the positioning and installation effect of the bolt 2 3, the outer surface of the copper busbar main body 1 is provided with a plastic block 1 4 and a plastic block 2 5, the plastic block 1 4 and the plastic block 2 5 are wrapped around the surface of the copper busbar main body 1, and the copper busbar main body 1 can be covered by the plastic block 1 4 and the plastic block 2 5.

[0025] In this embodiment, the inner walls of plastic block 1 4 and plastic block 2 5 are in contact with the outer surfaces of the corresponding bolt 1 2 and bolt 2 3. Plastic block 1 4 and plastic block 2 5 are in contact with the corresponding bolt 1 2 and bolt 2 3. Bolt 1 2 and bolt 2 3 can be wrapped on the inner wall of the copper busbar body 1 through plastic block 1 4 and plastic block 2 5, thereby achieving a limiting effect on bolt 1 2 and bolt 2 3. The outer surface of the copper busbar body 1 is provided with equidistantly arranged flower grooves 6. The flower grooves 6 are opened on the surface of the copper busbar body 1 to achieve a positioning effect on the flower grooves 6. The flower grooves 6 can increase the roughness of the surface of the copper busbar body 1, which can improve the fusion of the two products during one-time overmolding. It is very difficult for gas to pass through very small and many gaps, thereby solving the problem of poor airtightness of one package and copper gas.

[0026] In a preferred embodiment, the outer surface of the copper busbar body 1 is in sliding contact with a lower mold 7, which is placed on the surface of the copper busbar body 1. The upper surface of the lower mold 7 is fixedly connected to equidistantly arranged threaded rods 8, which are installed on the upper surface of the lower mold 7 to achieve a positioning and installation effect on the threaded rods 8.

[0027] Combine Figure 1 and Figure 3 An upper mold 9 is provided above the lower mold 7. The upper mold 9 is placed above the lower mold 7. The upper mold 7 and the lower mold 9 can be assembled into an integral mold. The outer surface of the upper mold 9 is fixedly connected with connecting blocks 10 arranged at equal distances. The connecting blocks 10 are installed on the outer surface of the upper mold 9 to achieve the positioning and installation effect of the connecting blocks 10.

[0028] In this embodiment, a connecting plate 11 is fixedly installed on the inner wall of each connecting block 10, and the connecting plate 11 is installed on the inner wall of the corresponding connecting block 10 to achieve a supporting effect on the connecting plate 11. A connecting pin 12 is fixedly connected to the inner wall of each connecting plate 11, and the connecting pin 12 is installed on the inner wall of the corresponding connecting plate 11 to achieve a positioning installation effect on the connecting pin 12.

[0029] Replay Figure 3 The outer surface of each connecting pin 12 is rotatably connected to a gear 13. Gear 13 is installed on the surface of the corresponding connecting pin 12, and they are set to be rotatably connected to achieve a limiting effect on gear 13. The inner wall of each gear 13 is threadedly connected to the outer surface of the corresponding threaded rod 8. The threaded rod 8 is connected to the corresponding gear 13. The effect of connecting the threaded rod 8 and gear 13 can be achieved by rotating the gear 13.

[0030] In a preferred embodiment, the upper surface of the upper mold 9 is rotatably connected to a rotating rod 14, the rotating rod 14 is installed on the upper surface of the upper mold 9, and the two are set to be rotatably connected to achieve a limiting effect on the rotating rod 14, and the outer surface of the rotating rod 14 is fixedly connected to a gear 2 15, the gear 2 15 is installed on the surface of the rotating rod 14, and the two are set to be fixedly connected, and the rotation effect of the gear 2 15 can be achieved by rotating the rotating rod 14.

[0031] In this embodiment, the outer surface of gear 2 15 is engaged with a toothed belt 16, which is placed on the side of gear 2 15 and connected to each other. The movement effect of the toothed belt 16 can be achieved by rotating gear 2 15. The outer surface of each gear 1 13 is engaged with the inner wall of the toothed belt 16, and the toothed belt 16 is connected to the corresponding gear 1 13. Through the rotation of gear 2 15 and the toothed belt 16, the synchronous rotation effect of multiple gears 13 can be achieved.

[0032] In a preferred embodiment, two limit plates 18 are fixedly connected to the inner wall of each connecting block 10, and the limit plates 18 are installed on the inner wall of the corresponding connecting block 10 to achieve a limiting effect on the limit plates 18. The sides of each limit plate 18 that are close to each other are in sliding contact with the upper surface and bottom surface of the toothed belt 16, and the upper surface and bottom surface of the toothed belt 16 are in contact with the surface of the corresponding limit plate 18. The limiting effect of the toothed belt 16 is achieved through the limit plate 18 to prevent the toothed belt 16 from falling off.

[0033] In this embodiment, two injection molding tubes 17 are fixedly connected to the inner wall of the upper mold 9. The injection molding tubes 17 are installed on the inner wall of the upper mold 9 to achieve the positioning and installation effect of the injection molding tubes 17. The bottom end of each injection molding tube 17 is fixedly connected to the interior of the lower mold 7. The injection molding tubes 17 are connected to the interior of the lower mold 7 below, which facilitates the injection molding of plastic block 1 4 and plastic block 2 5.

[0034] The above description is merely an embodiment of the present invention and is not intended to limit the present invention. Those skilled in the art will readily appreciate that various modifications and variations of the present invention are possible. Any modifications, equivalent substitutions, or improvements made within the spirit and principles of the present invention are intended to be included within the scope of the claims of the present invention.

Claims

1. A one-time injection-molded airtight structure, comprising a copper busbar body (1), characterized in that: The inner wall of the copper busbar body (1) is rotatably connected with a bolt 1 (2), the inner wall of the copper busbar body (1) is installed with a bolt 2 (3), the outer surface of the copper busbar body (1) is provided with a plastic block 1 (4) and a plastic block 2 (5), the inner walls of the plastic block 1 (4) and the plastic block 2 (5) are in contact with the outer surfaces of the corresponding bolt 1 (2) and bolt 2 (3), and the outer surface of the copper busbar body (1) is provided with flower grooves (6) arranged at equal distances.

2. The one-time overmolding airtight structure according to claim 1, characterized in that: The outer surface of the copper busbar body (1) is in sliding contact with a lower mold (7), and the upper surface of the lower mold (7) is fixedly connected with threaded rods (8) arranged at equal distances.

3. The one-time overmolding airtight structure according to claim 2, characterized in that: An upper mold (9) is provided above the lower mold (7), and the outer surface of the upper mold (9) is fixedly connected with connecting blocks (10) arranged at equal distances, and the inner wall of each connecting block (10) is fixedly installed with a connecting plate (11), and the inner wall of each connecting plate (11) is fixedly connected with a connecting pin (12).

4. The one-time overmolding airtight structure according to claim 3, characterized in that: The outer surface of each connecting pin (12) is rotatably connected to a gear one (13), the inner wall of each gear one (13) is threadedly connected to the outer surface of the corresponding threaded rod (8), the upper surface of the upper mold (9) is rotatably connected to a rotating rod (14), and the outer surface of the rotating rod (14) is fixedly connected to a gear two (15).

5. The one-time overmolding airtight structure according to claim 4, characterized in that: The outer surface of the gear 2 (15) is meshed with a toothed belt (16), and the outer surface of each gear 1 (13) is meshed with the inner wall of the toothed belt (16).

6. The one-time overmolding airtight structure according to claim 5, characterized in that: Two limiting plates (18) are fixedly connected to the inner wall of each connecting block (10), and the mutually adjacent sides of each limiting plate (18) are in sliding contact with the upper surface and the bottom surface of the toothed belt (16).

7. The one-time overmolding airtight structure according to claim 3, characterized in that: Two injection tubes (17) are fixedly connected to the inner wall of the upper mold (9), and the bottom end of each injection tube (17) is fixedly connected to the interior of the lower mold (7).

Images