A welding spot deviation rectifying mechanism of a winding machine

Abstract

The utility model relates to a kind of welding point rectification mechanism of winding machine, including fixed seat, rectification movement module, slide rail, sliding block, welding frame seat, guide roller, optical fiber seat, optical fiber inductor and welding mechanism, rectification movement module is installed in fixed seat side, slide rail is installed in fixed seat top, sliding block is slidably connected in slide rail top, and sliding block is fixedly installed in welding frame seat bottom, multiple guide rollers are installed in welding frame seat, pole piece winding guide roller, optical fiber seat and welding mechanism are installed in welding frame seat, optical fiber inductor is installed in optical fiber seat, and pole piece is guided by guide roller through welding mechanism, optical fiber inductor detects pole piece position;Rectification movement module drives welding frame seat to move, and welding frame seat drives entire welding mechanism to move, to adjust welding point position, ensure that pole piece, pole lug welding position is accurate, and it is favorable to improve product quality.

Description

Technical Field

[0001] This utility model relates to the field of battery winding machines, specifically to a welding point correction mechanism for a winding machine. Background Technology

[0002] In existing technologies, battery winding machines use ultrasonic welding mechanisms to weld the electrode sheets and tabs together. If the electrode sheet position shifts, the welding point position will change, resulting in a large deviation in the welding position of the electrode sheet and tab, which may lead to incomplete welding and seriously affect product quality. Summary of the Invention

[0003] To address the shortcomings of existing technologies, this utility model provides a welding point correction mechanism for a winding machine, the specific technical solution of which is as follows: A welding point correction mechanism for a winding machine includes a fixed base, a correction moving module, a slide rail, a slider, a welding frame seat, guide rollers, an optical fiber seat, an optical fiber sensor, and a welding mechanism. The correction moving module is installed on the side of the fixed base, the slide rail is installed above the fixed base, and the slider is slidably connected above the slide rail. The slider is fixedly installed at the bottom of the welding frame seat. Multiple guide rollers are installed in the welding frame seat, and the electrode winding guide rollers are installed in the welding frame seat. The optical fiber seat and the welding mechanism are installed in the welding frame seat, and the optical fiber sensor is installed in the optical fiber seat. The guide rollers guide the electrode past the welding mechanism and the optical fiber sensor, and the optical fiber sensor detects the position of the electrode. The correction moving module drives the welding frame seat to move.

[0004] As a preferred embodiment of this utility model, the correction moving module includes a motor, a lead screw, a nut, and a connecting plate. The motor output shaft is connected to the lead screw, the lead screw is threadedly connected to the nut, and the nut is connected to the welded frame seat through the connecting plate.

[0005] As a preferred embodiment of this utility model, the welding mechanism includes a lower mold and an upper welding assembly. The guide rollers include two small guide rollers and two large guide rollers, which are symmetrically located on the front and rear sides of the lower mold. The small guide rollers are closer to the lower mold than the large guide rollers. There are two fiber optic seats. The electrode plates pass from back to front in the following order: rear fiber optic sensor, rear large guide roller, rear small guide roller, lower mold, front small guide roller, front large guide roller, and front fiber optic sensor.

[0006] As a preferred embodiment of this utility model, the upper welding assembly is an ultrasonic welding assembly.

[0007] Beneficial effects: The guide roller guides the electrode sheet through the welding mechanism and the fiber optic sensor, which detects the position of the electrode sheet; the correction and movement module drives the welding frame seat to move, and the welding frame seat drives the entire welding mechanism to move, thereby adjusting the position of the weld point and ensuring the accurate welding position of the electrode sheet and electrode tab, which is conducive to improving product quality. Attached Figure Description

[0008] Figure 1 This is a perspective view of the present invention; Figure 2 This is the front view of this utility model; Figure 3 This is a perspective view of the present invention from another angle; Figure 4 This is a perspective view of the welding frame seat, guide roller, fiber optic seat, fiber optic sensor, and welding mechanism of this utility model. Detailed Implementation

[0009] The specific embodiments of this utility model will be further described below with reference to the accompanying drawings: In the description of this utility model, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the position or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this utility model.

[0010] In the description of this utility model, it should be noted that, unless otherwise explicitly specified and limited, the terms "installation," "connection," and "joining" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; and they can refer to the internal connection of two components. Those skilled in the art can understand the specific meaning of the above terms in this utility model according to the specific circumstances.

[0011] like Figures 1-4 As shown, a welding point correction mechanism for a winding machine includes a fixed base 1, a correction moving module 2, a slide rail 3, a slider 4, a welding frame seat 5, a guide roller, an optical fiber seat 7, an optical fiber sensor 8, and a welding mechanism 9. The correction moving module 2 is installed on the side of the fixed base 1, the slide rail 3 is installed above the fixed base 1, and the slider 4 is slidably connected above the slide rail 3. The slider 4 is fixedly installed at the bottom of the welding frame seat 5. Multiple guide rollers 6 are installed in the welding frame seat 5, and the electrode 10 is wound around the guide rollers. The optical fiber seat 7 and the welding mechanism 9 are installed in the welding frame seat 5, and the optical fiber sensor 8 is installed in the optical fiber seat 7. The guide roller guides the electrode through the welding mechanism 9 and the optical fiber sensor 8, and the optical fiber sensor 8 detects the position of the electrode. The correction moving module 2 drives the welding frame seat 5 to move, and the welding frame seat 5 drives the welding mechanism 9 to move and adjust the welding point position.

[0012] like Figure 3As shown, the correction movement module 2 includes a motor 21, a lead screw 22, a nut 23, and a connecting plate 24. The motor output shaft is connected to the lead screw 22, the lead screw 22 is threadedly connected to the nut 23, and the nut 23 is connected to the welded frame seat 5 through the connecting plate 24. When the lead screw 22 rotates, it drives the connecting plate 24 to move through the nut 23, and the connecting plate 24 drives the welded frame seat 5 to move.

[0013] Specifically, the welding mechanism 9 includes a lower mold 91 and an upper welding assembly 92, wherein the upper welding assembly 92 is an ultrasonic welding assembly, such as... Figure 2 As shown, the guide rollers include two small guide rollers 61 and two large guide rollers 62. The two small guide rollers 61 and the two large guide rollers 62 are symmetrically located on the front and rear sides of the lower mold 91, respectively. The small guide rollers 61 are closer to the lower mold 91 than the large guide rollers 62. The fiber optic seat 7 has two corresponding fiber optic sensors 8. The electrode 10 passes from back to front in the following order: rear fiber optic sensor 8, rear large guide roller 62, rear small guide roller 61, lower mold 91, front small guide roller 61, front large guide roller 62, and front fiber optic sensor 8. This layout structure can accurately detect the position of the electrode at the solder joint, providing accurate data for correction.

[0014] The above description is a further detailed explanation of the present utility model in conjunction with specific preferred embodiments. It should not be considered that the specific implementation of the present utility model is limited to these descriptions. For those skilled in the art, several simple deductions or substitutions can be made without departing from the concept of the present utility model, and all such deductions or substitutions should be considered to fall within the protection scope of the present utility model.

Claims

1. A welding point correction mechanism for a winding machine, characterized in that: The device includes a fixed base, a correction and movement module, a slide rail, a slider, a welding frame base, guide rollers, an optical fiber holder, an optical fiber sensor, and a welding mechanism. The correction and movement module is installed on the side of the fixed base, and the slide rail is installed above the fixed base. The slider is slidably connected above the slide rail, and the slider is fixedly installed at the bottom of the welding frame base. Multiple guide rollers are installed in the welding frame base, and the electrode is wound around the guide rollers. The optical fiber holder and welding mechanism are installed in the welding frame base, and the optical fiber sensor is installed in the optical fiber holder. The guide rollers guide the electrode through the welding mechanism and the optical fiber sensor, and the optical fiber sensor detects the position of the electrode. The correction and movement module drives the welding frame base to move.

2. The welding point correction mechanism for a winding machine according to claim 1, characterized in that: The correction movement module includes a motor, a lead screw, a nut, and a connecting plate. The motor output shaft is connected to the lead screw, the lead screw is threaded to the nut, and the nut is connected to the welded frame seat through the connecting plate.

3. A welding point correction mechanism for a winding machine according to claim 1 or 2, characterized in that: The welding mechanism includes a lower mold and an upper welding assembly. The guide rollers include two small guide rollers and two large guide rollers, which are symmetrically located on the front and rear sides of the lower mold. The small guide rollers are closer to the lower mold than the large guide rollers. There are two fiber optic seats. The electrode plates pass from back to front in the following order: rear fiber optic sensor, rear large guide roller, rear small guide roller, lower mold, front small guide roller, front large guide roller, and front fiber optic sensor.

4. The welding point correction mechanism for a winding machine according to claim 3, characterized in that: The upper welding assembly is an ultrasonic welding assembly.

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