Welding positioning device for composite current collector

Abstract

The utility model relates to the technical field of composite current collectors, in particular to a composite current collector welding positioning device which comprises a workbench, a protection plate, a regulation and control plate, a positioning roller, a preheating roller, an air cylinder, an air storage pipe and an air ejector pipe, the protection plate is arranged at the center of the top of the workbench, and the regulation and control plate is arranged over the protection plate; the metal conductive material is placed below the positioning roller, the positioning of the metal conductive material can be realized through the lifting of the positioning roller, the preheating roller can be driven to lift when the positioning roller is lifted, and the joint of the metal conductive material on the outer side of the composite current collector can be positioned and flattened through the preheating roller. The quality of the metal conductive material is prevented from being influenced during welding, and the positioning roller and the preheating roller are matched with each other, so that the conduction of the metal layers on the two sides of the composite current collector and the conduction of the stacked composite current collectors are ensured, and the tab welding effect of the composite current collector battery is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to composite current collector technical field, concretely is a kind of composite current collector welding positioning device. BACKGROUND

[0002] Automatic car loader is a new type of professional loading and unloading equipment, which can be equipped with hydraulic lifting, mobile caster and the like for operation, and is a very humanized automatic logistics transportation equipment to operate. Automatic car loader is mainly applied to postal, express, airport, wharf, medicine, chemical industry, tobacco and other industries.

[0003] Chinese patent publication No. CN219881543U discloses a seam welding device for welding composite current collector, comprising a workbench, a rotating assembly is installed at the center of the inner wall of the workbench, and a positioning rod is slidably connected to the upper surface of the workbench. A water pipe is installed at the top end of the rotating assembly, and a nozzle is installed at one end of the water pipe. A bracket is fixedly connected to the outer side wall of the workbench, and a crossbar is fixedly connected to the top end of the bracket. A sliding motor is installed at one end of the crossbar, and a sliding rail is installed on the outer side wall of the crossbar. The utility model is provided with a rotating motor, a fixing bolt, a shaft, a gasket and a turntable. The turntable supports the bottom end of the composite current collector. The shaft and the turntable are driven by the rotating motor to rotate in all directions. The position angle of the composite current collector is adjusted. When the welding position is changed, the composite current collector body does not need to be manually rotated, which prevents burns, saves time and effort, and improves work efficiency.

[0004] The composite current collector seam welding device in the above-mentioned patent and the similar devices commonly used on the market have the common problem that they cannot flatten the metal layers on both sides of the composite current collector, which causes wrinkles in the metal layers on both sides of the composite current collector during welding, increases the difficulty of welding, is prone to tearing, and affects the welding quality. Utility model content

[0005] To solve the above-mentioned problems, a composite current collector welding positioning device is provided. The positioning of the metal conductive material can be realized by the lifting of the positioning roller. The preheating roller is lifted when the positioning roller is lifted. The metal conductive material connection on the outer side of the composite current collector can be positioned and flattened by the preheating roller, which avoids the influence of the quality of the metal conductive material during welding. The positioning roller and the preheating roller cooperate with each other, which helps to ensure the conduction of the metal layers on both sides of the composite current collector.

[0006] In order to achieve the above object, the utility model provides the following technical scheme: a kind of composite current collector welding positioning device, including workbench, protective plate, control board, positioning roller, preheating roller, air cylinder, gas storage pipe and jet pipe, the protective plate is arranged at the top center of workbench, the control board is arranged in the directly above of protective plate, the positioning roller is symmetrically arranged below control board, the preheating roller is arranged below control board and is located between two positioning rollers, the air cylinder is arranged in the two sides of control board, the gas storage pipe is arranged in one side of air cylinder, the jet pipe is arranged in one side of gas storage pipe.

[0007] Further, the top of the workbench is symmetrically provided with a workboard, the workbench and the workboard are connected by a bending plate, a limiting sliding groove is formed in the inside of the workboard, a limiting sliding block connected with the control board is slidably installed in the inside of the limiting sliding groove, and a gas rod matched with the air cylinder is arranged on the input end of the limiting sliding block.

[0008] Further, the bottom of the control board is symmetrically provided with a first vertical plate, a rectangular groove is formed in the bottom of the first vertical plate, a second vertical plate connected with the positioning roller is slidably installed in the inside of the rectangular groove, and a working spring is arranged on the top of the second vertical plate and in the inside of the rectangular groove.

[0009] Further, a pressure plate is arranged below the control board, the control board and the pressure plate are connected by a hydraulic cylinder, and a mounting seat matched with the preheating roller is arranged on the bottom of the pressure plate.

[0010] Further, a load-bearing frame is arranged on the top of the workboard, a gas cylinder is arranged on the top of the load-bearing frame, and a positioning disc connected with the control board is arranged on the output end of the gas cylinder.

[0011] Further, an auxiliary plate is arranged on the two sides of the control board, a U-shaped plate matched with the jet pipe is arranged on the side surface of the auxiliary plate, and the jet pipe and the gas storage pipe are connected by a gas pipe.

[0012] Compared with the prior art, the composite current collector welding positioning device has the following advantages:

[0013] (1) when the need to composite current collector outside the metal conductive material welding, the metal conductive material is placed below the positioning roller, the positioning of the metal conductive material can be realized by the positioning roller lifting, and the positioning roller will drive the preheating roller to lift, the metal conductive material connection outside the composite current collector can be positioned and flattened by the preheating roller, so as to avoid the quality of the metal conductive material from being affected during welding, and the cooperation of the positioning roller and the preheating roller helps to ensure the conduction of the metal layer on both sides of the composite current collector and the conduction of each stacked composite current collector, thereby improving the lug welding effect of the composite current collector, reducing the contact resistance of the lithium ion battery, reducing the temperature rise of the lithium ion battery, improving the cycle life of the lithium ion battery, and improving the reliability of the lithium ion battery;

[0014] (2) the auxiliary plate and the U-shaped plate are moved when the control plate moves, since the U-shaped plate is rotatably installed with the air jet pipe, the control of the air jet direction of the air jet pipe can be realized, and the gas in the gas storage pipe can be discharged through the cooperation of the air jet pipe and the air pipe, so that the surface dust of the metal conductive material can be treated before being flattened, the fusion of dust and composite current collector is reduced, and the quality of the composite current collector during welding is improved. BRIEF DESCRIPTION OF DRAWINGS

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

[0016] Figure 2 It is the side view structure schematic diagram of the utility model;

[0017] Figure 3 It is the air cylinder installation structure schematic diagram of the utility model;

[0018] Figure 4 It is the positioning roller installation structure schematic diagram of the utility model;

[0019] Figure 5 It is the Figure 3 The enlarged structure schematic diagram of A in the middle.

[0020] In the drawing: 1, workbench; 2, protection plate; 3, control plate; 4, positioning roller; 5, preheating roller; 6, air cylinder; 7, gas storage pipe; 8, air jet pipe; 9, work plate; 10, bending plate; 11, limit sliding groove; 12, limit sliding block; 13, first vertical plate; 14, second vertical plate; 15, pressure plate; 16, mounting seat; 17, air cylinder; 18, auxiliary plate; 19, U-shaped plate. DETAILED DESCRIPTION

[0021] With reference to the drawings of the embodiments of the present application, the technical solutions in the embodiments of the present application will be clearly and completely described. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments of the present application, all other embodiments obtained by those skilled in the art without creative efforts fall within the scope of the present application.

[0022] Please refer to Figures 1 to 5 The utility model provides a kind of composite current collector welding positioning device, including workbench 1, guard plate 2, control plate 3, positioning roller 4, preheating roller 5, air cylinder 6, gas storage pipe 7 and jet pipe 8, the guard plate 2 is set at the top center of workbench 1, the control plate 3 is set on the top of guard plate 2, the positioning roller 4 is symmetrically set below control plate 3, the preheating roller 5 is set below control plate 3 and between two positioning rollers 4, the air cylinder 6 is set on the two sides of control plate 3, the gas storage pipe 7 is set on the side of air cylinder 6, and the jet pipe 8 is set on the side of gas storage pipe 7.

[0023] The guard plate 2 is installed at the top center of the workbench 1, and the guard plate 2 plays a weight-bearing role and has high heat resistance, facilitating the welding of the composite current collector connection by the worker later, and the guard plate 2 is easy to disassemble and replace. When welding the metal conductive material on the outside of the composite current collector, the metal conductive material is placed below the positioning roller 4, and the positioning of the metal conductive material can be achieved by lifting the positioning roller 4. The preheating roller 5 is lifted when the positioning roller 4 is lifted, and the metal conductive material connection can be flattened by the preheating roller 5 to ensure the welding quality of the metal conductive material connection. Gas can be delivered into the gas storage pipe 7 by the air cylinder 6 before welding the metal conductive material, and the gas is sprayed on the surface of the metal conductive material through the jet pipe 8, which can clean the metal conductive material connection and improve the quality of the metal conductive material welding.

[0024] As Figure 1 , Figure 2 and Figure 4 The top of the workbench 1 is symmetrically provided with a workboard 9, the workbench 1 and the workboard 9 are connected by a bending plate 10, a limiting sliding groove 11 is formed in the inside of the workboard 9, a limiting sliding block 12 connected with the control plate 3 is slidingly installed in the inside of the limiting sliding groove 11, and a gas rod matched with the air cylinder 6 is arranged on the input end of the limiting sliding block 12.

[0025] The bending plate 10 plays a supporting role, and can drive the control plate 3 to move when the limiting sliding block 12 slides in the limiting sliding groove 11. The movement of the control plate 3 can realize the movement of the air rod in the air cylinder 6, which is convenient for filling the air cylinder 6 with gas, and the gas is used for cleaning the dust at the junction of the metal material of the composite current collector.

[0026] As shown in Figure 1 , Figure 3 and Figure 4 , the bottom of the control plate 3 is symmetrically provided with a first vertical plate 13, a rectangular groove is formed in the bottom of the first vertical plate 13, a second vertical plate 14 connected with the positioning roller 4 is slidably installed in the rectangular groove, a working spring is arranged on the top of the second vertical plate 14 and in the rectangular groove, a pressure plate 15 is arranged below the control plate 3, the control plate 3 and the pressure plate 15 are connected through a hydraulic cylinder, and a mounting seat 16 matched with the preheating roller 5 is arranged at the bottom of the pressure plate 15.

[0027] The second vertical plate 14 can be installed through the rectangular groove in the first vertical plate 13, the second vertical plate 14 is connected with the positioning roller 4, when the control plate 3 moves up and down, the positioning roller 4 will first contact the metal material on the surface of the composite current collector under the action of the working spring, so as to realize the positioning of the metal material and facilitate welding, and when the control plate 3 moves up and down, the mounting seat 16 at the bottom will move with the preheating roller 5, when the preheating roller 5 contacts the junction of the metal conductive material, it can be flattened to ensure the welding quality of the metal conductive material.

[0028] As shown in Figure 1 , Figure 2 , Figure 3 and Figure 5 , the top of the working plate 9 is provided with a bearing frame, the top of the bearing frame is provided with an air cylinder 17, the output end of the air cylinder 17 is provided with a positioning disc connected with the control plate 3, the two sides of the control plate 3 are provided with auxiliary plates 18, the side surface of the auxiliary plate 18 is provided with a U-shaped plate 19 matched with the air jet pipe 8, and the air jet pipe 8 and the gas storage pipe 7 are connected through the air pipe.

[0029] When the control plate 3 moves, the auxiliary plate 18 and the U-shaped plate 19 will move, since the U-shaped plate 19 is rotatably installed with the air jet pipe 8, the direction of the air jet of the air jet pipe 8 can be controlled, and through the cooperation of the air jet pipe 8 and the air pipe, the gas in the gas storage pipe 7 can be discharged, which is convenient for treating the dust on the surface of the metal conductive material before flattening, so as to improve the welding quality of the composite current collector.

[0030] The above embodiment only expresses one or several embodiments of the present application, and the description is more specific and detailed, but it cannot be understood as the limitation of the scope of the present application. It should be pointed out that for ordinary skilled in the art, without departing from the concept of the present application, a number of modifications and improvements can be made, which belong to the protection scope of the present application. Therefore, the protection scope of the present application should be subject to the appended claims.

Claims

1. A composite current collector welding positioning device, characterized by The utility model provides a kind of preheating device for aluminum alloy plate, including workbench (1), guard plate (2), control board (3), positioning roller (4), preheating roller (5), air cylinder (6), gas storage pipe (7) and jet pipe (8), the guard plate (2) is set at the top center of workbench (1), the control board (3) is set on the top of guard plate (2), the positioning roller (4) is symmetrically set below control board (3), the preheating roller (5) is set below control board (3) and between two positioning roller (4), the air cylinder (6) is set at the two sides of control board (3), the gas storage pipe (7) is set at one side of air cylinder (6), the jet pipe (8) is set at one side of gas storage pipe (7).

2. A composite current collector welding fixture according to claim 1, wherein: The top of the workbench (1) is symmetrically provided with a workboard (9), and the workbench (1) and the workboard (9) are connected by a bending plate (10). The inside of the workboard (9) is provided with a limiting sliding groove (11). The limiting sliding groove (11) is slidably connected with a limiting sliding block (12) connected with the control board (3). The input end of the limiting sliding block (12) is provided with an air rod matched with the air cylinder (6).

3. A composite current collector welding fixture as defined in claim 2, wherein: The bottom of the control board (3) is symmetrically provided with a first vertical plate (13). The bottom of the first vertical plate (13) is provided with a rectangular groove. The rectangular groove is slidably connected with a second vertical plate (14) connected with the positioning roller (4). The top of the second vertical plate (14) is provided with a working spring inside the rectangular groove.

4. A composite current collector welding fixture as defined in claim 1, wherein: The bottom of the control board (3) is provided with a pressure plate (15). The control board (3) and the pressure plate (15) are connected by a hydraulic cylinder. The bottom of the pressure plate (15) is provided with a mounting seat (16) matched with the preheating roller (5).

5. A composite current collector welding fixture as defined in claim 2, wherein: The top of the workboard (9) is provided with a load-bearing frame. The top of the load-bearing frame is provided with an air cylinder (17). The output end of the air cylinder (17) is provided with a positioning disc connected with the control board (3).

6. A composite current collector welding fixture as defined in claim 1, wherein: The two sides of the control board (3) are provided with auxiliary plates (18). The side of the auxiliary plate (18) is provided with a U-shaped plate (19) matched with the jet pipe (8). The jet pipe (8) and the gas storage pipe (7) are connected by an air pipe.

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