A welding tool for three-phase terminals of the armature end winding of an automobile flat wire drive motor
By designing a welding tool including base, positioning column and fan ring three-phase terminal positioning seat, the position consistency problem of flat wire motor armature winding and three-phase terminal assembly after welding is solved, and the welding efficiency and accuracy are improved , suitable for small batch production.
Patent Information
- Application Number
- CN202110032679.2
- Authority / Receiving Office
- CN · China
- Patent Type
- Patents(China)
- Current Assignee / Owner
- Filing Date
- 2021-01-12
- Publication Date
- 2024-12-10
- Estimated Expiration
- 2041-01-12
AI Technical Summary
In the prior art, the overall dimensional positional consistency of the armature winding of the flat wire motor after welding with the three-phase terminal assembly cannot be guaranteed, resulting in poor positional degree and low welding efficiency.
A welding tool including a base, positioning column, fan ring three-phase terminal positioning seat, positioning block and turntable is designed. Through multi-point clamping welding, the connection is fixed with bolts and nuts to ensure positioning consistency and accuracy.
It achieves positioning consistency and accuracy of welding, reduces process difficulty, improves welding efficiency, and is suitable for small-scale production.
Smart Images
Figure CN112496651B_ABST
Abstract
Description
Technical Field
[0001] The invention relates to the field of machinery, in particular to an armature winding welding technology, in particular to a welding tool for three-phase terminals of an armature end winding of an automobile flat wire drive motor. Background Art
[0002] The armature output terminal of the flat wire motor, especially the winding related to the three-phase output terminal, has a complex line shape and is difficult to position, which cannot meet the requirements of mass production. In the prior art, the flat wire motor armature winding and the three-phase terminal assembly are welded by single-point clamping welding, and the overall size and position consistency after welding cannot be guaranteed, the consistency and position are poor, and the welding efficiency is low. Summary of the invention
[0003] The purpose of the present invention is to provide a three-phase terminal welding tool for the end winding of the armature of an automobile flat wire drive motor. The three-phase terminal welding tool for the end winding of the armature of the automobile flat wire drive motor is to solve the technical problems in the prior art that the overall size position consistency of the flat wire motor armature winding and the three-phase terminal assembly after welding cannot be guaranteed, and the consistency and position are poor.
[0004] The present invention discloses a three-phase terminal welding tool for the armature end winding of an automobile flat wire drive motor, comprising a base, a positioning column is arranged on the base, a three-phase terminal positioning seat is fixedly arranged on the upper edge of the base, the three-phase terminal positioning seat is in a fan ring shape, a three-phase terminal positioning block is fixedly arranged on the three-phase terminal positioning seat, three positioning grooves are arranged on the three-phase terminal positioning block, a mounting hole is arranged in each of the three positioning grooves, a lower fastening turntable and an upper fastening turntable are sleeved on the positioning column, the upper fastening turntable is fixedly arranged on the upper side of the lower fastening turntable, two groups of welding holes are arranged on the lower fastening turntable along its radial direction, any group of welding holes each includes a plurality of first welding holes arranged at intervals along the circumferential direction, the upper fastening turntable is provided with second welding holes corresponding to the first welding holes, and the first welding holes and the second welding holes are adjacent to the three-phase terminal positioning block.
[0005] Furthermore, a first fixing block is provided on the side of the upper fastening turntable away from the first welding hole, and a second fixing block is provided on the side of the lower fastening turntable away from the second welding hole. The first fixing block and the second fixing block are each provided with a through hole, and the lower fastening turntable and the upper fastening turntable are fixedly connected by aligning the two through holes and using a first bolt and a nut.
[0006] Furthermore, the upper fastening turntable and the lower fastening turntable are each provided with a hollow space between the two groups of welding holes.
[0007] Furthermore, the three-phase terminal positioning seat is fixed on the base by two second bolts and two positioning pins.
[0008] Compared with the prior art, the effect of the present invention is positive and obvious. The welding tooling for the three-phase terminal of the armature end winding of the automobile flat wire drive motor of the present invention is simple in structure and easy to install. It can perform multi-point clamping welding at one time, which not only ensures the positioning consistency and accuracy, but also reduces the process difficulty of welding the three-phase terminal of the armature winding of the flat wire motor, and also greatly improves the welding efficiency, which is suitable for small batch production. BRIEF DESCRIPTION OF THE DRAWINGS
[0009] Figure 1 It is a first three-dimensional structural schematic diagram of a three-phase terminal welding tool for an armature end winding of an automobile flat wire drive motor according to the present invention.
[0010] Figure 2 It is a second three-dimensional structural schematic diagram of a three-phase terminal welding tool for an armature end winding of an automobile flat wire drive motor according to the present invention. DETAILED DESCRIPTION
[0011] The present invention is further described below in conjunction with the accompanying drawings and embodiments, but the present invention is not limited to these embodiments, and all similar structures and similar variations of the present invention should be included in the protection scope of the present invention.
[0012] Example 1
[0013] like Figure 1 , Figure 2 As shown, a three-phase terminal welding tool for the armature end winding of an automobile flat wire drive motor of the present invention comprises a base 1, a positioning column 2 is arranged on the base 1, a three-phase terminal positioning seat 3 is fixedly arranged on the upper edge of the base 1, the three-phase terminal positioning seat 3 is fan-shaped, a three-phase terminal positioning block 4 is fixedly arranged on the three-phase terminal positioning seat 3, three positioning grooves 5 are arranged on the three-phase terminal positioning block 4, a mounting hole is respectively arranged in each of the three positioning grooves 5, a lower fastening turntable 6 and an upper fastening turntable 7 are sleeved on the positioning column 2, the upper fastening turntable 7 is fixedly arranged on the upper side of the lower fastening turntable 6, and two groups of welding holes are arranged on the lower fastening turntable 6 along its radial direction, and any group of welding holes each includes a plurality of first welding holes 8 arranged at intervals along the circumferential direction, and the upper fastening turntable 7 is provided with second welding holes corresponding to the first welding holes 8, and the first welding holes 8 and the second welding holes are arranged on one side of the three-phase terminal positioning block 4.
[0014] Furthermore, a first fixing block 9 is provided on the side of the upper fastening turntable 7 away from the first welding hole 8, and a second fixing block 10 is provided on the side of the lower fastening turntable 6 away from the second welding hole. The first fixing block 9 and the second fixing block 10 are respectively provided with a through hole, and the lower fastening turntable 6 and the upper fastening turntable 7 are fixedly connected by a first bolt and a nut through the two aligned through holes.
[0015] Furthermore, the upper fastening turntable 7 and the lower fastening turntable 6 are each provided with hollow portions (not shown in the figures) between the two groups of welding holes.
[0016] Furthermore, the three-phase terminal positioning seat 3 is fixed on the base 1 by two second bolts 13 and two positioning pins.
[0017] The working process of this embodiment:
[0018] Place the armature stator 14 on the base 1 and fix it, install the three-phase terminal positioning seat 3 on the base 1, lock the three-phase terminal positioning seat 3 on the base 1 with the second bolt 13 with a positioning pin, respectively insert the heads 11 of the three busbars into the three positioning grooves 5, and lock them with the third bolt 15 to keep the busbar in position, then sleeve the lower fastening turntable 6 and the upper fastening turntable 7 on the positioning column 2, and insert the copper wire 12 of the busbar into the first welding hole 8, lock the first bolt, so that the lower fastening turntable 6 and the upper fastening turntable 7 clamp the copper wire 12, if the copper wire 12 is not aligned, cut off the protruding part to make the copper wire 12 flush, and then use a welding gun to weld with the turntable on the welding machine.
[0019] The welding holes of the lower fastening turntable 6 and the upper fastening turntable 7 are made of chrome copper, which is conducive to heat dissipation, and the rest are made of hard alloy aluminum. The hollow design on the upper fastening turntable 7 and the lower fastening turntable 6 can avoid the busbar, improve the heat dissipation efficiency, and better dissipate heat during welding.
[0020] The invention has a simple structure and is easy to install. It can perform multi-point clamping welding at one time, which not only ensures positioning consistency and accuracy, but also reduces the process difficulty of welding three-phase terminals of the flat wire motor armature winding, and greatly improves welding efficiency, and is suitable for small batch production.
Claims
1. A welding tool for three-phase terminals of the armature end winding of an automobile flat-wire drive motor, comprising a base (1), characterized in that: A positioning column (2) is provided on the base (1), a three-phase terminal positioning seat (3) is fixedly provided on the upper edge of the base (1), the three-phase terminal positioning seat (3) is in a fan ring shape, a three-phase terminal positioning block (4) is fixedly provided on the three-phase terminal positioning seat (3), three positioning grooves (5) are provided on the three-phase terminal positioning block (4), a mounting hole is provided in each of the three positioning grooves (5), a lower fastening turntable (6) and an upper fastening turntable (7) are sleeved on the positioning column (2), the upper fastening turntable (7) is fixedly provided on the upper side of the lower fastening turntable (6), two groups of welding holes are provided on the lower fastening turntable (6) along its radial direction, any group of welding holes each includes a plurality of first welding holes (8) arranged at intervals along the circumferential direction, the upper fastening turntable (7) is provided with second welding holes corresponding to the first welding holes (8), and the first welding holes (8) and the second welding holes are adjacent to the three-phase terminal positioning block (4).
2. The three-phase terminal welding tool for the armature end winding of an automobile flat wire drive motor according to claim 1 is characterized in that: A first fixing block (9) is provided on a side of the upper fastening turntable (7) away from the first welding hole (8), and a second fixing block (10) is provided on a side of the lower fastening turntable (6) away from the second welding hole. The first fixing block (9) and the second fixing block (10) are each provided with a through hole. The lower fastening turntable (6) and the upper fastening turntable (7) are fixedly connected by a first bolt and a nut through the two aligned through holes.
3. The welding tool for three-phase terminals of the armature end winding of the automotive flat wire drive motor according to claim 1 is characterized in that: The upper fastening turntable (7) and the lower fastening turntable (6) are each provided with a hollowing out between the two groups of welding holes.
4. The three-phase terminal welding tool for the armature end winding of an automobile flat wire drive motor according to claim 1, characterized in that: The three-phase terminal positioning seat (3) is fixed on the base (1) by means of two second bolts (13) and two positioning pins.