Motor hairpin type connecting wire welding and positioning tool

Abstract

The utility model belongs to the technical field of motor production equipment, and particularly relates to a motor hairpin type connecting wire welding positioning tool which comprises a positioning disc and fixing pieces, positioning grooves distributed in an annular array mode are formed in the positioning disc, elastic clamping pieces are arranged on the groove walls of the two sides of each positioning groove, and the two sides of the positioning disc are fixedly connected with the fixing pieces. The fixing piece comprises a fixing rod and an adjusting rod which are in sliding connection with each other, the upper end of the fixing rod is fixedly connected to the positioning disc, and a limiting bolt is arranged at the connecting position of the fixing rod and the adjusting rod. According to the utility model, when the hairpin type connecting wire is welded, the welding end of the hairpin type connecting wire directly passes through the positioning groove, and then the end of the connecting wire is limited and fixed, so that the connecting wire can be stably and smoothly welded, and meanwhile, the elastic clamping piece in the positioning groove further improves the positioning stability of the end of the connecting wire; and subsequent welding is facilitated, and the welding efficiency and quality are greatly improved.

Description

Technical Field

[0001] The utility model relates to the technical field of motor production equipment, in particular to a motor hairpin-type connecting wire welding and positioning tool. Background Art

[0002] New energy vehicles and other applications have seen improvements to the stator and rotor design of their motors, gradually improving torque, power, and efficiency while reducing noise. For example, the stator winding method has been changed to a hairpin-type winding. After inserting the hairpin-type connecting wires into the stator, the corresponding hairpins need to be soldered to form the winding. Due to the large number of closely spaced hairpins, the copper hairpins are easily deformed, making it difficult to locate the weld points. This not only affects welding efficiency but also quality. Utility Model Content

[0003] (1) Technical problems solved

[0004] In response to the shortcomings of the existing technology, the utility model provides a motor hairpin-type connecting wire welding positioning tool, which solves the problem that the hairpin-type connecting wire is easily deformed and the welding point is difficult to locate, which not only affects the welding efficiency but also affects the welding quality.

[0005] (2) Technical solution

[0006] In order to achieve the above-mentioned purpose, the present invention specifically adopts the following technical solutions:

[0007] A motor hairpin-type connecting wire welding positioning tool includes a positioning plate and a fixing piece. The positioning plate is provided with positioning grooves distributed in a ring array. Elastic clamps are arranged on the groove walls on both sides of the positioning groove, and fixing pieces are fixedly connected to both sides of the positioning plate. The fixing piece includes a fixing rod and an adjusting rod that are slidably connected to each other. The upper end of the fixing rod is fixedly connected to the positioning plate, and a limiting bolt is arranged at the connection between the fixing rod and the adjusting rod.

[0008] Furthermore, a holding rod is fixedly connected to the middle part of the positioning plate, and the fixed section of one end of the elastic clip is fixedly connected to the seating groove opened on the wall of the positioning groove, the movable section at the other end of the elastic clip is slidably connected to the seating groove, and an arc-shaped interference section bent toward the middle part of the positioning groove is provided between the fixed section and the movable section.

[0009] Furthermore, the upper end of the fixing rod is fixedly connected to a connecting arc plate, which is fixedly connected to the positioning plate, and a connecting seat at the other end of the fixing rod is provided with a groove body for slidingly placing the adjusting rod, and a threaded hole for threadedly connecting a limiting bolt is provided on the connecting seat, and the limiting bolt is slidably connected to the sliding groove on the adjusting rod, and one end of the adjusting rod is fixedly connected to a placement seat, and a rubber pad is embedded in the clamping groove provided on the placement seat.

[0010] (3) Beneficial effects

[0011] Compared with the prior art, the present invention provides a motor hairpin-type connecting wire welding and positioning tool, which has the following beneficial effects:

[0012] The utility model can directly pass the welding end of the hairpin type connecting wire through the positioning groove when welding, and then fix the end of the connecting wire in a limited position, so as to facilitate stable and smooth welding operation. At the same time, the elastic clip in the positioning groove further improves the stability of the positioning of the end of the connecting wire, facilitates subsequent welding, and greatly improves the efficiency and quality of welding. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 It is a structural diagram of the utility model;

[0014] Figure 2 This is a schematic structural diagram of the positioning plate in the present utility model;

[0015] Figure 3 This is a schematic structural diagram of the elastic clip in the present invention;

[0016] Figure 4 It is a structural schematic diagram of the fixing member in the utility model.

[0017] In the figure: 1. Positioning plate; 101. Positioning groove; 102. Elastic clip; 1021. Arc-shaped interference section; 1022. Fixed section; 1023. Movable section; 103. Holding rod; 2. Fixing member; 201. Fixed rod; 2011. Connecting seat; 2012. Connecting arc plate; 202. Adjusting rod; 2021. Placement seat; 2022. Slide groove; 203. Limit bolt; 204. Rubber pad. DETAILED DESCRIPTION

[0018] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0019] Example

[0020] like Figure 1 、 Figure 2 and Figure 4As shown, an embodiment of the present invention proposes: a motor hairpin type connecting wire welding positioning tool, including a positioning plate 1 and a fixing member 2, the positioning plate 1 is provided with a positioning groove 101 distributed in a ring array, which is convenient for directly passing the welding end of the hairpin type connecting wire through the positioning groove 101 when welding the hairpin type connecting wire, and then limiting and fixing the end of the connecting wire, which is convenient for performing stable and smooth welding operations thereafter, thereby improving welding efficiency and quality, elastic clips 102 are arranged on the groove walls on both sides of the positioning groove 101, and the elastic clips 102 are arranged in the positioning groove 101, so as to limit and fix the end of the connecting wire inserted into the positioning groove 101, further improving the stability of the positioning of the end of the connecting wire, and facilitating subsequent welding, and fixing members 2 are fixedly connected to both sides of the positioning plate 1, and the fixing members 2 facilitate the stable fixing of the positioning plate 1 on the stator housing of the motor, thereby realizing the positioning plate 1 and the stator. The fixed connection between them ensures that the positioning plate 1 is positioned on the hairpin-type connecting wire end. The fixing part 2 includes a fixing rod 201 and an adjusting rod 202 that are slidably connected to each other. The sliding connection between the two is convenient for sliding each other for debugging during use, so as to better fix the positioning plate 1 to the stator housing, and the upper end of the fixing rod 201 is fixedly connected to the positioning plate 1. The fixing rod 201 is used to achieve a stable connection between the fixing part 2 and the positioning plate 1 as a whole, and a limiting bolt 203 is arranged at the connection part of the fixing rod 201 and the adjusting rod 202 to ensure that after the fixing rod 201 and the adjusting rod 202 slide and adjust each other, the limiting bolt 203 is directly screwed to achieve the limited fixation between the two, so that the fixing part 2 is adjustable, and it also ensures that the fixing part 2 is effectively fixed to the positioning plate 1. A knob for screwing is provided at one end of the limiting bolt 203 to facilitate the smooth screwing of the limiting bolt 203.

[0021] like Figure 1 、 Figure 2 and Figure 3 As shown, in some embodiments, a holding rod 103 is fixedly connected to the middle part of the positioning disk 1, which is convenient for the user to directly hold the mobile positioning disk 1 with his hands, thereby smoothly inserting the end of the hairpin-type connecting line into the positioning groove 101, improving the convenience of use and operation, and the fixed section 1022 at one end of the elastic clip 102 is fixedly connected to the mounting groove opened on the groove wall of the positioning groove 101, ensuring that the elastic clip 102 is stably installed in the positioning groove 101, and the movable section 1023 at the other end of the elastic clip 102 is slidably connected to the mounting groove. When the elastic clip 102 is deformed, it can slide, and an arc-shaped interference section 1021 bent toward the middle part of the positioning groove 101 is provided between the fixed section 1022 and the movable section 1023, so that the arc-shaped interference section 1021 can be used to interfere with the end line body of the connecting line inserted into the positioning groove 101 to limit and fix it.

[0022] like Figure 1 and Figure 4 As shown, in some embodiments, the upper end of the fixing rod 201 is fixedly connected to a connecting arc plate 2012, and the connecting arc plate 2012 is fixedly connected to the positioning disk 1 to ensure a stable connection between the fixing rod 201 and the positioning disk 1, and to achieve a stable fit between the positioning disk 1 and the fixing member 2, so as to facilitate the positioning of the hairpin-type connecting line end, and a groove body for slidingly accommodating the adjusting rod 202 is provided on the connecting seat 2011 at the other end of the fixing rod 201 to ensure smooth sliding between the two and smooth adjustment, and a threaded hole for threaded connection of the limiting bolt 203 is provided on the connecting seat 2011 to ensure that the limiting bolt 203 can be connected to the connecting seat 2011, and can be adjusted forward or reverse. The screwing direction can realize the limit fixation or cancellation of the connecting seat 2011 and the adjusting rod 202, and the limit bolt 203 is slidably connected to the slide groove 2022 on the adjusting rod 202, so that the adjusting rod 202 can slide smoothly through the slide groove 2022 during the debugging process without being restricted by the limit bolt 203, so as to complete the debugging operation. One end of the adjusting rod 202 is fixedly connected to the mounting seat 2021, and the card-mounting groove opened on the mounting seat 2021 is embedded with a rubber pad 204. The mounting seat 2021 is used to stably connect the rubber pad 204 to the adjusting rod 202, and the rubber pad 204 is used to achieve soft contact on the stator housing to avoid damage to the stator housing during installation.

[0023] Finally, it should be noted that the above description is merely a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art will be able to modify the technical solutions described in the aforementioned embodiments or replace some of the technical features therein with equivalents. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principles of the present invention shall be included within the scope of protection of the present invention.

Claims

1. A hairpin-type connecting wire welding and positioning tool for a motor, comprising a positioning plate (1) and a fixing member (2), characterized in that: The positioning plate (1) is provided with positioning grooves (101) distributed in an annular array, elastic clamps (102) are arranged on both side walls of the positioning grooves (101), and fixing members (2) are fixedly connected to both sides of the positioning plate (1), and the fixing members (2) include a fixing rod (201) and an adjusting rod (202) that are slidably connected to each other, the upper end of the fixing rod (201) is fixedly connected to the positioning plate (1), and a limiting bolt (203) is arranged at the connection between the fixing rod (201) and the adjusting rod (202).

2. The hairpin-shaped connecting wire welding and positioning tool for a motor according to claim 1, characterized in that: A holding rod (103) is fixedly connected to the middle portion of the positioning plate (1), and a fixed section (1022) at one end of the elastic clamp (102) is fixedly connected to a placement groove provided on the wall of the positioning groove (101), a movable section (1023) at the other end of the elastic clamp (102) is slidably connected to the placement groove, and an arc-shaped interference section (1021) is provided between the fixed section (1022) and the movable section (1023), which is bent toward the middle portion of the positioning groove (101).

3. The hairpin-shaped connecting wire welding and positioning tool for a motor according to claim 1, characterized in that: The upper end of the fixed rod (201) is fixedly connected to a connecting arc plate (2012), which is fixedly connected to the positioning plate (1), and a connecting seat (2011) at the other end of the fixed rod (201) is provided with a groove body for slidably placing the adjusting rod (202), and a threaded hole for threadedly connecting a limiting bolt (203) is provided on the connecting seat (2011), and the limiting bolt (203) is slidably connected to the sliding groove (2022) on the adjusting rod (202).

4. The hairpin-shaped connecting wire welding and positioning tool for a motor according to claim 3, characterized in that: One end of the adjusting rod (202) is fixedly connected to a placement seat (2021), and a rubber pad (204) is embedded in a clamping groove provided on the placement seat (2021).

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