Novel extremely-simple battery pole welding structure

Abstract

The utility model discloses a novel extremely simple battery pole welding structure, which relates to the technical field of battery pole welding, and comprises a bottom plate, a positioning plate and a pressing plate, a plurality of top cover plates are arranged above the positioning plate, pole assemblies are placed on the top cover plates, two groups of connecting holes are arranged on the pressing plate, and the connecting holes are connected with the positioning plate. A protective shell is fixedly arranged on the side face of the pressing plate, a motor is fixedly connected to the lower end of the protective shell, an output shaft of the motor penetrates through the lower end of the protective shell and is fixedly connected with a driving gear, a connecting gear is rotationally arranged in the pressing plate, and the connecting gear is fixedly connected with the driving gear. And the connecting gear is meshed and connected with the driving gear. The problems that in the prior art, full welding is carried out after pre-welding is carried out after a pressing head is not moved after pressing is carried out, and consequently welding holes, burst points and other defects caused by secondary welding of a pre-welded part in the full welding process are increased are solved.

Description

Technical Field

[0001] The utility model relates to the technical field of battery pole welding, in particular to a novel minimalist battery pole welding structure. Background Art

[0002] The new minimalist battery pole welding structure refers to a structure that simplifies the battery pole welding process. Traditional battery pole welding usually requires the use of welding machines for complex welding operations, while the new minimalist battery pole welding structure makes the welding process simpler and more efficient through optimized design.

[0003] When welding the pole of the minimalist top cover plate of the power battery, the top cover plate and the pole assembly need to be welded together, and there is a sealing ring between the pole assembly and the top cover plate to ensure its overall sealing performance. This requires that this type of cover plate should be subjected to a certain pressure during the welding process to ensure the compression of the sealing ring, and at the same time, since the welding track is circular, the pressure arm part needs to avoid the laser during welding.

[0004] The existing technology is to perform pre-welding without moving the pressure head after pressing down and then perform full welding. This leads to an increase in defects such as weld holes and explosion points caused by secondary welding of the pre-welding part during the full welding process. Utility Model Content

[0005] The utility model aims to solve at least one of the technical problems existing in the prior art. To this end, the utility model proposes a new minimalist battery pole welding structure, which solves the problem that the prior art performs pre-welding without moving the pressure head after pressing down and then performs full welding, which results in an increase in defects such as welding holes and explosion points caused by secondary welding of the pre-welding part during the full welding process.

[0006] To achieve the above-mentioned purpose, the utility model proposes a novel minimalist battery pole welding structure, comprising: a bottom plate, a positioning plate, and a pressing plate, wherein a plurality of top cover sheets are arranged above the positioning plate, a pole assembly is placed on the top cover sheet, two groups of connection holes are opened on the pressing plate, and the connection holes in the same group are arranged horizontally and equidistantly, a protective shell is fixedly arranged on the side of the pressing plate, a motor is fixedly connected to the lower end of the protective shell, an output shaft of the motor passes through the lower end of the protective shell and is fixedly connected to a driving gear, a connecting gear is rotatably arranged inside the pressing plate, and the The connecting gear is meshed and connected with the driving gear, and a rotating assembly is provided at each connecting hole of the pressure plate, and the rotating assembly includes a pressure head, a straight beam, and a driven gear. The pressure head is annular and fixedly connected to the inside of the driven gear, and the inner ring of the pressure head is rotatably connected to the straight beam. A plurality of through laser avoidance holes are opened on the pressure head, and the plurality of laser avoidance holes are arranged in a ring shape with equal distances, wherein two of the rotating assemblies are meshed and connected with the connecting gear through the driven gear, and the rotating assemblies in the same group are meshed and connected through the driven gear.

[0007] As a further solution of the utility model: a slide plate is slidably connected to the upper end of the base plate, a second cylinder is fixedly connected to the upper end of the base plate, an output end of the second cylinder is fixedly connected to the slide plate, a jig bracket is symmetrically fixedly connected above the slide plate, and the top ends of the two jig brackets are commonly fixedly connected to a positioning plate.

[0008] As a further solution of the utility model: two sliding mounting seats are symmetrically arranged on the upper end of the base plate, and a top plate is fixedly connected to the upper end of the sliding mounting seat and near the two ends, and the upper ends of the two top plates are commonly fixedly connected to a mounting plate, and limiting columns are fixedly connected at the four corners of the lower end of the pressure plate, and the limiting columns pass through the mounting plate, and a first cylinder is fixedly arranged on the upper end of the sliding mounting seat.

[0009] As a further solution of the utility model: the output end of the first cylinder passes through the mounting plate and is fixedly connected to the bottom end of the pressing plate.

[0010] As a further solution of the utility model: a pressure plate is slidably arranged above the two sliding mounting seats, the interior of the pressure plate is hollow, and a number of the connection holes in each group are arranged, and the connection holes are connected to the interior of the pressure plate.

[0011] As a further solution of the utility model: the interior of the protective shell is hollow, and the driving gear is located inside the protective shell.

[0012] As a further solution of the utility model: the driven gear is rotatably arranged inside the pressure plate, and the pressure head is coaxially arranged with the straight beam.

[0013] Compared with the prior art, the beneficial effects of the utility model are:

[0014] Start the motor, the output shaft of the motor drives the driving gear to rotate, the driving gear drives the connecting gear to rotate, the connecting gear drives the driven gears of two rotating components to rotate, and the rotating component then drives the other rotating components in the same group to rotate through its own driven gear; move the laser welding equipment above the pressure plate, aim the laser generator of the laser welding equipment at the laser avoidance hole of one of the rotating components and emit the laser, the welding trajectory of the laser welding equipment is circular, adjust the speed of the motor, so that the motor finally drives the driven gear and the pressure head to rotate as a whole, the rotation of the pressure head and the laser welding are synchronous circular motion, so that the laser can pass through the laser avoidance hole every time to weld the top cover sheet and the pole assembly, this welding process does not require a straight beam to avoid the laser, and only one welding is required. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1It is a schematic diagram of the structure of the utility model;

[0016] Figure 2 It is a structural schematic diagram of another viewing angle of the utility model;

[0017] Figure 3 It is a schematic diagram of the internal structure of the pressing plate of the utility model.

[0018] In the figure: 1, bottom plate; 2, slide plate; 3, fixture bracket; 4, positioning plate; 5, sliding mounting seat; 6, first cylinder; 7, pressure plate; 8, motor; 9, protective shell; 10, top cover; 11, pole assembly; 12, mounting plate; 13, second cylinder; 14, driving gear; 15, connecting gear; 16, pressure head; 17, straight beam; 18, driven gear. DETAILED DESCRIPTION

[0019] The technical solution of the utility model will be described clearly and completely in conjunction with the embodiments below. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of them. Based on the embodiments of 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] like Figure 1-3 As shown, a novel minimalist battery pole welding structure comprises: a base plate 1, a slide plate 2 is slidably connected to the upper end of the base plate 1, and a second cylinder 13 is fixedly connected to the upper end of the base plate 1.

[0021] The output end of the second cylinder 13 is fixedly connected to the slide plate 2 , and when the second cylinder 13 is started, the output end of the second cylinder 13 drives the slide plate 2 to move on the upper surface of the slide plate 2 .

[0022] A jig bracket 3 is symmetrically fixedly connected above the slide plate 2, and a positioning plate 4 is commonly fixedly connected to the top ends of the two jig brackets 3. A plurality of top cover sheets 10 are arranged above the positioning plate 4, and a pole assembly 11 to be welded is placed on the top cover sheets 10.

[0023] Two sliding mounting seats 5 are symmetrically arranged at the upper end of the bottom plate 1 , and a top plate is fixedly connected to the upper end of the sliding mounting seats 5 and close to the two ends, and a mounting plate 12 is fixedly connected to the upper ends of the two top plates.

[0024] A pressure plate 7 is slidably arranged above the two sliding mounting seats 5. The interior of the pressure plate 7 is hollow. Two groups of connecting holes are opened on the pressure plate 7. The number of connecting holes in each group is set to a certain number. The connecting holes in the same group are arranged horizontally and equidistantly, and the connecting holes are connected to the interior of the pressure plate 7.

[0025] The four corners of the lower end of the pressing plate 7 are fixedly connected to limiting columns, and the limiting columns pass through the mounting plate 12. The upper end of the sliding mounting seat 5 is fixedly provided with a first cylinder 6, and the output end of the first cylinder 6 passes through the mounting plate 12 and is fixedly connected to the bottom end of the pressing plate 7. When the first cylinder 6 is started, the output end of the first cylinder 6 can drive the pressing plate 7 to move downward.

[0026] A protective shell 9 is fixedly provided on the side of the pressure plate 7, and the interior of the protective shell 9 is hollow. A motor 8 is fixedly connected to the lower end of the protective shell 9. The output shaft of the motor 8 passes through the lower end of the protective shell 9 and is fixedly connected to a driving gear 14. The driving gear 14 is located inside the protective shell 9. A connecting gear 15 is rotatably provided inside the pressure plate 7, and the connecting gear 15 is meshed and connected with the driving gear 14.

[0027] like Figure 3 As shown, a rotating assembly is provided at each connecting hole of the pressure plate 7, and the rotating assembly includes a pressure head 16, a straight beam 17, and a driven gear 18. The driven gear 18 is rotatably arranged inside the pressure plate 7. The pressure head 16 is annular and fixedly connected to the inside of the driven gear 18. The inner ring of the pressure head 16 is rotatably connected to the straight beam 17. The pressure head 16 is coaxially arranged with the straight beam 17. A plurality of through laser avoidance holes are opened on the pressure head 16, and the plurality of laser avoidance holes are arranged in a ring shape with equal distances.

[0028] Two of the rotating components are meshed and connected with the connecting gear 15 via the driven gear 18 , and the rotating components in the same group are meshed and connected with each other via the driven gear 18 .

[0029] Start the motor 8, the output shaft of the motor 8 drives the driving gear 14 to rotate, the driving gear 14 drives the connecting gear 15 to rotate, the connecting gear 15 drives the driven gears 18 of two rotating components to rotate, and the rotating components then drive the other rotating components in the same group to rotate through their own driven gears 18.

[0030] Working principle:

[0031] When welding the pole of the minimalist top cover plate of the power battery, start the second cylinder 13, and the output end of the second cylinder 13 drives the slide plate 2 to move below the pressing plate 7 until each pole assembly 11 corresponds to the rotating assembly working with it. At this time, start the first cylinder 6 again, and the output end of the first cylinder 6 drives the pressing plate 7 to move downward until the straight crossbeam 17 of each rotating assembly presses the pole assembly 11;

[0032] Start the motor 8, the output shaft of the motor 8 drives the driving gear 14 to rotate, the driving gear 14 drives the connecting gear 15 to rotate, the connecting gear 15 drives the driven gears 18 of two rotating components to rotate, and the rotating components then drive the other rotating components in the same group to rotate through their own driven gears 18;

[0033] Move the laser welding equipment above the pressure plate 7, aim the laser generator of the laser welding equipment at the laser avoidance hole of one of the rotating components and emit laser. The welding trajectory of the laser welding equipment is circular. Adjust the speed of the motor 8 so that the motor 8 finally drives the driven gear 18 and the pressure head 16 to rotate as a whole. The rotation of the pressure head 16 cooperates with the laser welding to form a synchronous circular motion, so that the laser can pass through the laser avoidance hole every time to weld the top cover sheet 10 and the pole assembly 11.

[0034] In the description of the present utility model, it should be understood that the terms "upper", "lower", "left", "right", etc., indicating directions or positional relationships, are based on the directions or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present utility model and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific direction, as well as a specific direction structure and operation, and therefore, cannot be understood as a limitation on the present utility model. In addition, "first" and "second" are only for descriptive purposes, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Therefore, the features defined as "first" and "second" may explicitly or implicitly include one or more of the features. In the description of the present utility model, unless otherwise specified, "multiple" means two or more.

[0035] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installed", "connected", "connected", etc. 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 an indirect connection through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0036] The above is a detailed description of an embodiment of the utility model, but the content is only a preferred embodiment of the utility model and cannot be considered to limit the scope of implementation of the utility model. All equivalent changes and improvements made within the scope of application of the utility model should still fall within the scope of the patent coverage of the utility model.

Claims

1. A new minimalist battery pole welding structure, characterized in that: include: A bottom plate (1), a positioning plate (4), and a pressing plate (7); a plurality of top cover sheets (10) are arranged above the positioning plate (4); a pole assembly (11) is placed on the top cover sheet (10); two groups of connection holes are opened on the pressing plate (7); the connection holes in the same group are arranged horizontally and equidistantly; a protective shell (9) is fixedly arranged on the side of the pressing plate (7); a motor (8) is fixedly connected to the lower end of the protective shell (9); an output shaft of the motor (8) passes through the lower end of the protective shell (9) and is fixedly connected to a driving gear (14); a connecting gear (15) is rotatably arranged inside the pressing plate (7); the connecting gear (15) is connected to the driving gear (14) meshing connection, each connection hole of the pressure plate (7) is provided with a rotating assembly, and the rotating assembly includes a pressure head (16), a straight beam (17), and a driven gear (18). The pressure head (16) is annular and fixedly connected to the inside of the driven gear (18). The inner ring of the pressure head (16) is rotatably connected to the straight beam (17). The pressure head (16) is provided with a plurality of through laser avoidance holes, and the plurality of laser avoidance holes are arranged in a ring shape at equal distances. Two of the rotating assemblies are meshedly connected to the connecting gear (15) through the driven gear (18), and the rotating assemblies in the same group are meshedly connected through the driven gear (18).

2. According to claim 1, a novel minimalist battery pole welding structure is characterized in that: The upper end of the base plate (1) is slidably connected to a slide plate (2), the upper end of the base plate (1) is fixedly connected to a second cylinder (13), the output end of the second cylinder (13) is fixedly connected to the slide plate (2), the upper part of the slide plate (2) is symmetrically fixedly connected to a jig bracket (3), and the top ends of the two jig brackets (3) are commonly fixedly connected to a positioning plate (4).

3. According to the novel minimalist battery pole welding structure of claim 1, it is characterized in that: Two sliding mounting seats (5) are symmetrically arranged at the upper end of the bottom plate (1), a top plate is fixedly connected to the upper end of the sliding mounting seat (5) and close to the two ends, the upper ends of the two top plates are commonly fixedly connected to a mounting plate (12), the four corners of the lower end of the pressure plate (7) are fixedly connected to limiting columns, the limiting columns pass through the mounting plate (12), and a first cylinder (6) is fixedly arranged at the upper end of the sliding mounting seat (5).

4. A novel minimalist battery pole welding structure according to claim 3, characterized in that: The output end of the first cylinder (6) passes through the mounting plate (12) and is fixedly connected to the bottom end of the pressing plate (7).

5. According to claim 3, a novel minimalist battery pole welding structure is characterized in that: A pressing plate (7) is slidably arranged above the two sliding mounting seats (5); the interior of the pressing plate (7) is hollow; a plurality of connecting holes are arranged in each group; and the connecting holes are communicated with the interior of the pressing plate (7).

6. A novel minimalist battery pole welding structure according to claim 1, characterized in that: The interior of the protective shell (9) is hollow, and the driving gear (14) is located inside the protective shell (9).

7. A novel minimalist battery pole welding structure according to claim 1, characterized in that: The driven gear (18) is rotatably arranged inside the pressure plate (7), and the pressure head (16) is coaxially arranged with the straight cross beam (17).

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