Auxiliary jig for lithium battery welding

Abstract

The utility model relates to the technical field of lithium battery processing, and discloses an auxiliary jig for lithium battery welding, which is characterized in that a first plate is provided with a limiting groove for accommodating a lithium battery, and the upper part and the lower part of the limiting groove penetrate through the first plate; the second plates are detachably connected, each second plate is provided with a containing groove used for containing the corresponding control panel, the containing grooves face the limiting grooves, the upper portions and the lower portions of the second plates are hinged to the cover plates respectively, and the cover plates rotate to press the tabs on the control panels to the lithium batteries in the limiting grooves. The lithium battery pack fixing device achieves fixing of the lithium battery pack, facilitates follow-up welding operation, and has the advantages of being simple in structure and easy to operate.

Description

Technical Field

[0001] The utility model relates to the technical field of lithium battery processing, in particular to an auxiliary jig for lithium battery welding. Background Art

[0002] 18650 is the originator of lithium-ion batteries - a standard lithium-ion battery model set by Japan's SONY company in order to save costs. 18 represents a diameter of 18mm, 65 represents a length of 65mm, and 0 represents a cylindrical battery.

[0003] In the processing of some lithium batteries, the products need to weld the tabs with control boards to the lithium battery packs. However, there is a lack of corresponding jigs on the market to clamp and process 18650 lithium batteries.

[0004] Therefore, improvements need to be made. Utility Model Content

[0005] The technical problem solved by the utility model is to provide an auxiliary fixture for lithium battery welding in view of the defects existing in the above-mentioned prior art, so as to solve the problems raised in the above-mentioned background technology.

[0006] In order to solve the above technical problems, the technical solution adopted by the utility model is as follows: an auxiliary fixture for lithium battery welding, comprising: a first plate, a limiting groove for accommodating a lithium battery is provided on the first plate, and the upper and lower parts of the limiting groove pass through the first plate; a second plate, the second plate is detachably connected to the second plate, and a containing groove for accommodating a control board is provided on the second plate, and the containing groove faces the limiting groove, and the upper and lower parts of the second plate are respectively hinged to a cover plate, wherein the cover plate rotates to press the pole ear on the control board onto the lithium battery in the limiting groove.

[0007] Furthermore, the limiting groove has a first limiting portion and a second limiting portion, the first limiting portion is used to limit a single lithium battery, the second limiting portion is used to limit two lithium batteries, the first limiting portion is communicated with the second limiting portion, and the second limiting portion faces the accommodating groove.

[0008] Furthermore, first magnets are respectively installed on the upper and lower parts of both sides of the first plate, and the cover plate is provided with a positioning strip extending toward the first plate, and the positioning strip is provided with a second magnet cooperating with the first magnet.

[0009] Furthermore, third magnets are respectively provided on both sides of the mating end surfaces of the first plate member and the second plate member, and a fourth magnet mating with the third magnet is provided on the second plate member.

[0010] Furthermore, positioning protrusions are respectively provided on both sides of the mating end surfaces of the first plate component and the second plate component, and the second plate component is provided with positioning holes that cooperate with the positioning protrusions.

[0011] Compared with the prior art, the beneficial effects of the utility model are:

[0012] 1. The structure is simple, and the overall composition mainly consists of a first plate and a second plate, which is convenient for processing and production and reduces production costs.

[0013] 2. The operation is simple. The lithium battery is manually installed in the limit slot, the control panel with the pole ear is manually installed in the receiving slot, and then the cover is rotated for pressing. The difficulty of processing operation is reduced, no professional personnel are required, and it is suitable for wide use. BRIEF DESCRIPTION OF THE DRAWINGS

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

[0015] Figure 2 It is a structural schematic diagram of the utility model from another angle.

[0016] Figure 3 It is a schematic diagram of the explosion structure of the utility model.

[0017] Figure 4 It is a schematic diagram of the explosion structure of the utility model.

[0018] Figure numerals: 1. first plate; 2. limiting groove; 3. second plate; 4. accommodating groove; 5. cover plate; 6. first limiting portion; 7. second limiting portion; 8. first magnet; 9. positioning bar; 10. second magnet; 11. third magnet; 12. fourth magnet; 13. positioning protrusion; 14. positioning hole. DETAILED DESCRIPTION

[0019] The utility model is further described in detail below in conjunction with the accompanying drawings.

[0020] The embodiments described with reference to the accompanying drawings are exemplary and are intended to be used to explain the present application, and cannot be understood as limiting the present application. In the description of the present application, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", "clockwise", "counterclockwise" and the like indicate the orientation or position relationship based on the orientation or position relationship shown in the accompanying drawings, which is only for the convenience of describing the present application and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as limiting the present application. In addition, the terms "first" and "second" are only used for descriptive purposes, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, the features defined as "first" and "second" may explicitly or implicitly include one or more of the features. In the description of the present application, the meanings of "several" and "multiple" are two or more, unless otherwise clearly and specifically defined. In this application, unless otherwise clearly specified and limited, the terms "installed", "connected", "connected", "fixed" and the like should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be an indirect connection through an intermediate medium, or it can be a communication between the two elements. For ordinary technicians in this field, the specific meanings of the above terms in this application can be understood according to specific circumstances. In this application, unless otherwise clearly specified and limited, the first feature "above" or "below" the second feature can include the first and second features being in direct contact, or it can include the first and second features not being in direct contact but being in contact through another feature between them. Moreover, the first feature "above", "above" and "above" the second feature include the first feature being directly above and obliquely above the second feature, or simply means that the first feature is higher in level than the second feature. The first feature "below", "below" and "below" the second feature include the first feature being directly above and obliquely above the second feature, or simply means that the first feature is lower in level than the second feature.

[0021] like Figure 1-4As shown, an auxiliary jig for lithium battery welding is provided, comprising: a first plate 1, a limiting groove 2 for accommodating a lithium battery is provided on the first plate 1, and the upper and lower parts of the limiting groove 2 pass through the first plate 1; a second plate 3, the second plate 3 is detachably connected to the second plate 3, and a receiving groove 4 for accommodating a control board is provided on the second plate 3, and the receiving groove 4 faces the limiting groove 2, and the upper and lower parts of the second plate 3 are respectively hinged to a cover plate 5, wherein the cover plate 5 rotates to press the pole ear on the control board onto the lithium battery in the limiting groove 2.

[0022] In an assembly specification of lithium batteries, it is necessary to weld two or three 18650 lithium batteries to a control board with pole ears. To this end, a first plate 1 and a second plate 3 are designed, a limiting groove 2 is set on the first plate 1, and a receiving groove 4 is set on the second plate 3, and the first plate 1 and the second plate 3 are assembled for positioning.

[0023] When in use, the 18650 lithium battery is manually installed in the limiting groove 2, the control board with the pole ear is installed in the accommodating groove 4, the cover plate 5 is flipped over, the cover plate 5 presses the pole ear on the polarity position of the 18650 lithium battery, and it is manually placed on the welding machine for welding operation.

[0024] The structure is simple, and the overall composition is mainly composed of a first plate 1 and a second plate 3, which is convenient for processing and production, and reduces production costs; the operation method is simple, and the lithium battery is manually installed in the limiting groove 2, and the control board with the pole ear is manually installed in the receiving groove 4, and then the cover plate 5 is rotated for pressing. The difficulty of processing and operation is reduced, no professional personnel are required, and it is suitable for wide use.

[0025] The limiting groove 2 has a first limiting portion 6 and a second limiting portion 7, the first limiting portion 6 is used to limit a single lithium battery, and the second limiting portion 7 is used to limit two lithium batteries, the first limiting portion 6 is communicated with the second limiting portion 7, and the second limiting portion 7 faces the accommodating groove 4.

[0026] In a specific implementation, since two or three 18650 lithium batteries are welded to a control board with a tab during use, when processing two 18650 lithium batteries, the two 18650 lithium batteries can be mounted on the second limiting portion 7 for processing; when processing three 18650 lithium batteries, the three 18650 lithium batteries are stacked in a triangle and fixed by setting the first limiting portion 6 and the second limiting portion 7. This structural setting can adapt to the processing of two 18650 lithium batteries or the processing of three 18650 lithium batteries, and can be produced flexibly.

[0027] First magnets 8 are installed at the upper and lower parts of both sides of the first plate 1, respectively. The cover plate 5 is provided with a positioning strip 9 extending toward the first plate 1, and the positioning strip 9 is provided with a second magnet 10 that matches the first magnet 8. Third magnets 11 are provided at both sides of the matching end surfaces of the first plate 1 and the second plate 3, respectively, and the second plate 3 is provided with a fourth magnet 12 that matches the third magnet 11.

[0028] Since the first plate 1 and the second plate 3 are in a detachable connection, in order to facilitate quick connection and quick disassembly of the first plate 1 and the second plate 3, the first magnetic block, the second magnetic block, the third magnetic block and the fourth magnetic block can be selected in appropriate numbers according to actual conditions, and there is no limit on their number. Specifically, when in use, the second magnet 10 of the positioning strip 9 on the cover 5 is used to adsorb and position with the first magnet 8, and the third magnet 11 on the first plate 1 and the fourth magnet 12 on the second plate 3 are used to adsorb and position. The first plate 1 and the second plate 3 are quickly connected or quickly disassembled by magnetic adsorption, thereby improving work efficiency and facilitating workers to operate.

[0029] Positioning protrusions 13 are respectively provided on both sides of the mating end surfaces of the first plate member 1 and the second plate member 3 , and a positioning hole 14 mating with the positioning protrusion 13 is provided on the second plate member 3 .

[0030] In order to further quickly position the first plate 1 and the second plate 3, the first plate 1 and the second plate 3 can be quickly connected by matching the positioning protrusion 13 and the positioning hole 14 in combination with magnetic adsorption.

[0031] The above does not limit the technical scope of the present invention. Any modifications, equivalent changes and modifications made to the above embodiments based on the technical essence of the present invention are still within the scope of the technical solution of the present invention.

Claims

1. An auxiliary fixture for lithium battery welding, characterized in that: include: A first plate, wherein the first plate is provided with a limiting groove for accommodating a lithium battery, and the upper and lower parts of the limiting groove pass through the first plate; The second plate is detachably connected to the second plate, and a receiving groove for receiving the control board is provided on the second plate, and the receiving groove faces the limiting groove. The upper and lower parts of the second plate are respectively hinged with cover plates, wherein the cover plates are rotated to press the pole ears on the control board onto the lithium battery in the limiting groove.

2. The auxiliary fixture for lithium battery welding according to claim 1, characterized in that: The limiting groove has a first limiting portion and a second limiting portion, the first limiting portion is used to limit a single lithium battery, and the second limiting portion is used to limit two lithium batteries. The first limiting portion is communicated with the second limiting portion, and the second limiting portion faces the accommodating groove.

3. The auxiliary jig for lithium battery welding according to claim 2, characterized in that: First magnets are respectively installed on the upper and lower parts of both sides of the first plate, and the cover plate is provided with a positioning strip extending toward the first plate, and the positioning strip is provided with a second magnet matched with the first magnet.

4. The auxiliary jig for lithium battery welding according to claim 3, characterized in that: Third magnets are respectively disposed on both sides of the mating end surfaces of the first plate member and the second plate member, and a fourth magnet mating with the third magnet is disposed on the second plate member.

5. The auxiliary jig for lithium battery welding according to claim 4, characterized in that: Positioning protrusions are respectively arranged on both sides of the matching end surfaces of the first plate component and the second plate component, and the second plate component is provided with positioning holes matching with the positioning protrusions.

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