Limiting step device for top seal head of flexible package lithium battery

Abstract

The utility model relates to a flexible package lithium battery top seal end socket limiting step device which comprises an upper end socket and a lower end socket, a limiting step is arranged on one side face, opposite to the lower end socket, of the upper end socket, gaskets are arranged above the left end and the right end of the limiting step respectively, steel sleeves are arranged on the inner sides of the gaskets respectively, and screws are arranged in the steel sleeves respectively. The steel sleeves are connected with the corresponding upper sealing head and the lower sealing head through screws; the sealing head has the advantages of being reasonable in structure, reducing installation difficulty, improving product consistency and performance, prolonging the service life of the sealing head and reducing manual maintenance cost.

Description

Technical Field

[0001] The utility model belongs to the technical field of lithium battery tools, and in particular relates to a limiting step device for a top sealing head of a soft-package lithium battery. Background Art

[0002] The existing soft-package lithium battery top seal head structure has the following problems: after the stoppers at both ends of the head are worn, they need to be outsourced for fine milling or fine grinding, and multiple spare heads are required; the service life of the head will be shortened after multiple milling or grinding; the equipment requires a lot of time for repair and maintenance when the head is installed horizontally; when the stopper is abnormal during the normal production process, the head must be disassembled and replaced with a new one, which wastes time unnecessarily; the process affects production efficiency; the cost of head milling and grinding is wasted, etc.; the one-time difference of process products; the high cost of tooling maintenance; therefore, it is very necessary to provide a soft-package lithium battery top seal head limit step device with a reasonable structure, reduced installation difficulty, improved product consistency and performance, increased head life, and reduced labor maintenance costs. Summary of the invention

[0003] The purpose of the utility model is to overcome the shortcomings of the prior art and to provide a soft-package lithium battery top seal head limiting step device which has a reasonable structure, reduces installation difficulty, improves product consistency and performance, increases head life, and reduces manual maintenance costs.

[0004] The purpose of the utility model is achieved as follows: a soft-package lithium battery top sealing head limiting step device, which includes an upper head and a lower head, a limiting step is arranged on a side of the upper head opposite to the lower head, gaskets are arranged above the left and right ends of the limiting step, steel sleeves are arranged on the inner sides of the gaskets, screws are arranged inside the steel sleeves, and the steel sleeves are connected to the corresponding upper head and the lower head through the screws.

[0005] The upper head and the lower head have the same structure and are symmetrically arranged up and down.

[0006] The limiting step is a "T"-shaped structure and gasket slots are provided inside both left and right ends of the limiting step. The gasket slots are circular holes. The gasket and the gasket slots correspond to each other in position and match each other.

[0007] The gasket slots are all provided with screw holes inside, the screw holes are threaded through holes, and the positions of the screws and the screw holes correspond to each other in vertical direction and the threads thereof match each other.

[0008] The thickness of the gasket is 0.05mm~2.5mm.

[0009] The steel sleeve includes a countersunk hole matched with the screw nut head of the screw, so as to prevent the screw nut head from protruding out of the countersunk hole plane.

[0010] The steel sleeve is also provided with a through screw hole matched with the screw thread.

[0011] The screws are hexagon socket screws.

[0012] The beneficial effects of the utility model are as follows: the utility model is a limit step device for the top sealing head of a soft-package lithium battery, and the limit steps of the top sealing head and the side sealing head can be applicable. In use, the upper and lower heads of the utility model only need to replace new gaskets under normal maintenance conditions to meet the requirements, thereby extending the service life of the heads; in the case of abnormalities in the head stopper, the gasket and the steel sleeve can be replaced, which can reduce the cost of purchasing the heads and the waste of time for installing the heads; the utility model provides a gasket and a steel sleeve stopper for the top sealing head of a soft-package lithium battery, which solves the problems of high installation difficulty and high processing precision difficulty of the existing packaging heads, thereby improving the quality consistency of the products, improving product performance, reducing the processing cost of the heads, improving production efficiency, increasing the life of the heads, and reducing labor maintenance costs; the steel sleeve, gasket and head of the utility model are assembled and used in combination, with a wide effective debugging range, easy debugging and installation, strong flexibility of application, no need for special milling equipment, and greatly reducing the maintenance cost of the heads; the utility model has the advantages of reasonable structure, reduced installation difficulty, improved product consistency and performance, increased head life, and reduced labor maintenance costs. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 It is a three-dimensional diagram of the utility model.

[0014] Figure 2 For this utility model Figure 1 Front view of .

[0015] Figure 3 For this utility model Figure 1 Top view of the .

[0016] Figure 4 For this utility model Figure 1 Schematic diagram of part of the structure.

[0017] In the figure: 1, upper head 2, lower head 3, gasket 4, steel sleeve 41, countersunk hole 42, screw hole 5, screw 6, gasket slot 7, screw hole 8, limiting step. DETAILED DESCRIPTION

[0018] The utility model is further described below in conjunction with the accompanying drawings. Example

[0019] like Figure 1-4 As shown, a limiting step device for the top sealing head of a soft-package lithium battery comprises an upper sealing head 1 and a lower sealing head 2. A limiting step 8 is arranged on a side of the upper sealing head 1 opposite to the lower sealing head 2. Gaskets 3 are arranged above the left and right ends of the limiting step 8. Steel sleeves 4 are arranged on the inner sides of the gaskets 3. Screws 5 are arranged inside the steel sleeves 4. The steel sleeves 4 are connected to the corresponding upper sealing head 1 and the lower sealing head 2 through the screws 5.

[0020] The utility model discloses a top sealing head limiting step device for a soft-package lithium battery, and the limiting steps of the top sealing head and the side sealing head can be applicable. In use, the upper and lower heads of the utility model only need to replace new gaskets 3 under normal maintenance conditions to meet the requirements, thereby extending the service life of the heads; in the case of abnormalities in the head stopper, the gasket 3 and the steel sleeve 4 can be replaced, which can reduce the cost of purchasing the heads and the waste of time for installing the heads; the utility model provides a top sealing head gasket and a steel sleeve stopper for a soft-package lithium battery, which solves the problems of high installation difficulty and high processing precision difficulty of the existing packaging heads, thereby improving the quality consistency of the products, improving the product performance, reducing the processing cost of the heads, improving the production efficiency, increasing the service life of the heads, and reducing the labor maintenance cost, etc.; the steel sleeve 4, the gasket 3 and the heads of the utility model are assembled and used in combination, and the effective debugging range is wide, the debugging and installation are easy, the application flexibility is strong, no special milling equipment is required, and the maintenance cost of the heads is greatly reduced; the utility model has the advantages of reasonable structure, reduced installation difficulty, improved product consistency and performance, increased head life, and reduced labor maintenance cost. Example

[0021] like Figure 1-4 As shown, a limiting step device for the top sealing head of a soft-package lithium battery comprises an upper sealing head 1 and a lower sealing head 2. A limiting step 8 is arranged on a side of the upper sealing head 1 opposite to the lower sealing head 2. Gaskets 3 are arranged above the left and right ends of the limiting step 8. Steel sleeves 4 are arranged on the inner sides of the gaskets 3. Screws 5 are arranged inside the steel sleeves 4. The steel sleeves 4 are connected to the corresponding upper sealing head 1 and the lower sealing head 2 through the screws 5.

[0022] The upper head 1 and the lower head 2 have the same structure and are symmetrically arranged up and down; the upper head and the lower head use the same limit structure mode; before installing the upper and lower new heads, the head stopper can be debugged according to the required size.

[0023] The limiting step 8 is a "T"-shaped structure and gasket slots 6 are provided inside both left and right ends of the limiting step 8. The gasket slots 6 are circular holes. The gasket 3 corresponds to the gasket slots 6 in upper and lower positions and matches each other.

[0024] The gasket slots 6 are each provided with a screw hole 7 , wherein the screw hole 7 is a threaded through hole, and the screw 5 corresponds to the screw hole 7 in upper and lower positions and the threads thereof match each other.

[0025] The thickness of the gasket 3 is 0.05 mm to 2.5 mm.

[0026] In this embodiment, the gasket thickness can be designed to be 0.05mm~2.5mm, with various specifications and stainless steel as the material; when the upper and lower head stoppers are abnormal, you only need to remove the screws and add the corresponding gasket thickness to fill and lock it.

[0027] The steel sleeve 4 includes a countersunk hole 41 that matches the nut head of the screw 5 to prevent the nut head of the screw 5 from protruding out of the plane of the countersunk hole 41 .

[0028] The steel sleeve 4 is also provided with a through screw hole 42 threadably matched with the screw 5 .

[0029] In this embodiment, the steel sleeve has a countersink and a through screw hole; the material is tungsten steel, which is hard and wear-resistant; the depth of the countersink is designed according to the height of the nut head and does not affect the protrusion of the nut head from the countersink plane.

[0030] The screw 5 is a hexagon socket screw.

[0031] In this embodiment, the screw is an M3 hexagon socket screw, and the length of the screw can be designed according to the height of the limiting step.

[0032] The utility model discloses a top sealing head limiting step device for a soft-package lithium battery, and the limiting steps of the top sealing head and the side sealing head can be applicable. In use, the upper and lower heads of the utility model only need to replace new gaskets 3 under normal maintenance conditions to meet the requirements, thereby extending the service life of the heads; in the case of abnormalities in the head stopper, the gasket 3 and the steel sleeve 4 can be replaced, which can reduce the cost of purchasing the heads and the waste of time for installing the heads; the utility model provides a top sealing head gasket and a steel sleeve stopper for a soft-package lithium battery, which solves the problem of high installation difficulty of the existing packaging heads, thereby improving the quality consistency of the products, improving the product performance, reducing the processing cost of the heads, improving the production efficiency, increasing the service life of the heads, and reducing the labor maintenance cost, etc.; the steel sleeve 4, the gasket 3 and the heads of the utility model are assembled and used in combination, and the effective debugging range is wide, the debugging and installation are easy, the application flexibility is strong, no special milling equipment is required, and the maintenance cost of the heads is greatly reduced; the utility model has the advantages of reasonable structure, reduced installation difficulty, improved product consistency and performance, increased head life, and reduced labor maintenance cost.

Claims

1. A soft-package lithium battery top seal head limiting step device, which includes an upper seal head and a lower seal head, characterized in that: A limiting step is provided on a side surface of the upper head opposite to the lower head, gaskets are provided above the left and right ends of the limiting step, steel sleeves are provided inside the gaskets, screws are provided inside the steel sleeves, and the steel sleeves are connected to the corresponding upper head and lower head through the screws.

2. A soft-package lithium battery top seal head limiting step device according to claim 1, characterized in that: The upper head and the lower head have the same structure and are symmetrically arranged up and down.

3. A soft-package lithium battery top seal head limiting step device according to claim 2, characterized in that: The limiting step is a "T"-shaped structure and gasket slots are provided inside both left and right ends of the limiting step. The gasket slots are circular holes. The gasket and the gasket slots correspond to each other in position and match each other.

4. A soft-package lithium battery top seal head limiting step device according to claim 3, characterized in that: The gasket slots are all provided with screw holes inside, the screw holes are threaded through holes, and the positions of the screws and the screw holes correspond to each other in vertical direction and the threads thereof match each other.

5. The soft-package lithium battery top seal head limiting step device according to claim 3, characterized in that: The thickness of the gasket is 0.05mm~2.5mm.

6. The soft-package lithium battery top seal head limiting step device according to claim 1, characterized in that: The steel sleeve includes a countersunk hole matched with the screw nut head of the screw, so as to prevent the screw nut head from protruding out of the countersunk hole plane.

7. A soft-package lithium battery top seal head limiting step device according to claim 6, characterized in that: The steel sleeve is also provided with a through screw hole matched with the screw thread.

8. A soft-package lithium battery top seal head limiting step device according to claim 7, characterized in that: The screws are hexagon socket screws.

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