Welding tool for secondary coil
By designing the substrate and positioning groove structure of the welding fixture, the problem of the welding position accuracy and precision of the secondary coil was solved, and the welding effect was improved.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- ZHONGCHUANG RAO ELECTRIC TECHNOLOGY (ZHEJIANG) CO LTD
- Filing Date
- 2025-03-26
- Publication Date
- 2026-04-24
AI Technical Summary
In existing technologies, it is difficult to guarantee the precision and accuracy of the welding position of the secondary coil, resulting in poor welding results.
A welding fixture was designed, including a base plate, positioning grooves and positioning plates. By setting multiple positioning grooves and mounting grooves, accurate positioning of the inner ring and the parts to be welded can be achieved, ensuring the accuracy and precision of the welding position.
It achieves accurate positioning of the inner ring and the parts to be welded, improving the precision and effect of welding.
Smart Images

Figure CN224157954U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of tooling and fixture technology, specifically to a welding fixture for secondary coils. Background Technology
[0002] The secondary coil is the winding that works in conjunction with the primary coil in an induction accelerator. It typically refers to the "equivalent secondary coil" corresponding to the particle's trajectory. Essentially, it utilizes the principle of electromagnetic induction; the alternating magnetic field generated by the primary coil induces an electric field in the secondary coil, thereby accelerating charged particles. Current secondary coils mainly consist of an inner ring, an outer ring, and a coil coil. The inner ring needs to be welded together, and connecting seats and springs need to be welded onto it. The connecting seats enable the stacking of multiple secondary coils, and the springs enable connection to electrical components. To ensure the accuracy and precision of the welding position, a corresponding welding fixture needs to be developed. Utility Model Content
[0003] This invention aims to overcome the shortcomings of existing technologies by providing a welding fixture for secondary coils that ensures welding accuracy.
[0004] The present invention solves the technical problem by adopting the following technical solution: a welding fixture for a secondary coil, wherein the secondary coil includes an inner ring, the welding fixture includes a base plate, a circular main positioning groove is provided on the base plate and a positioning disk is formed inside the main positioning groove, the main positioning groove is used to accommodate the inner ring, and a plurality of first positioning plates and a plurality of second positioning plates are provided at the edge of the positioning disk, the first positioning plates are provided with linearly distributed first positioning grooves, the second positioning plates are provided with second positioning grooves, the outer edge of the second positioning groove is flush with the outer edge of the second positioning plate, and the outer edges of the first positioning plates and the second positioning plates can be in contact with the inner wall of the inner ring.
[0005] In several embodiments, the outer wall of the first positioning plate and the outer wall of the second positioning plate are arc-shaped.
[0006] In several embodiments, the first positioning groove is elongated and extends to the edge of the main positioning groove.
[0007] In several embodiments, a first slot is provided on one side of the second positioning groove, and the first slot penetrates the second positioning plate along the width direction of the second positioning plate.
[0008] In several embodiments, both the first positioning plate and the second positioning plate are provided with multiple locking holes.
[0009] In several embodiments, the positioning disk is provided with a plurality of first mounting slots and second mounting slots at its edge, the first mounting slots being used to accommodate a first positioning plate and the second mounting slots being used to accommodate a second positioning plate.
[0010] In several embodiments, a first slot is provided on the substrate, and the first slot is connected to the main positioning slot.
[0011] The beneficial effects of this utility model are as follows:
[0012] This invention enables accurate positioning of the inner ring and the parts to be welded, ensuring the accuracy of the welding position and the welding precision, thereby improving the welding effect. Attached Figure Description
[0013] The accompanying drawings described herein are for illustrative purposes only and do not represent all possible implementations, nor should they be considered as limiting the scope of this invention.
[0014] Figure 1 This is an overall schematic diagram of the welding fixture for the secondary coil in Example 1;
[0015] Figure 2 yes Figure 1 Enlarged schematic diagram of the middle substrate;
[0016] Figure 3 yes Figure 1 An enlarged schematic diagram of the first positioning plate in the middle;
[0017] Figure 4 yes Figure 1 An enlarged schematic diagram of the second positioning plate. Detailed Implementation
[0018] The embodiments of the present utility model will now be described in detail with reference to the accompanying drawings. To make the objectives, technical solutions and advantages of the embodiments of the present utility model clearer, the technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are some embodiments of the present utility model, but not all embodiments.
[0019] Therefore, the following detailed description of the embodiments of the present invention provided in conjunction with the accompanying drawings is not intended to limit the scope of the claimed invention, but merely to illustrate selected embodiments of the invention. All other embodiments obtained by those skilled in the art based on the embodiments of the present invention without inventive effort are within the scope of protection of the present invention.
[0020] Example 1
[0021] like Figures 1-4As shown, the welding fixture for the secondary coil provided in this embodiment includes an inner ring, which is formed by bending and welding a strip of sheet metal. The welding fixture includes a base plate 10, on which an annular main positioning groove 20 is provided and a positioning disk 30 is formed inside the main positioning groove 20. The main positioning groove 20 is used to accommodate the inner ring. Multiple first positioning plates 40 and multiple second positioning plates 50 are provided at the edge of the positioning disk 30. The first positioning plates 40 are provided with linearly distributed first positioning grooves 41, and the second positioning plates 50 are provided with second positioning grooves 51. The outer edge of the second positioning groove 51 is flush with the outer edge of the second positioning plate 50.
[0022] Here, two first positioning plates 40 and three second positioning plates 50 are set up, which are staggered and the two first positioning plates 40 are set symmetrically, while the three second positioning plates 50 are arranged in a ring with the center of the positioning disk 30 as the center point.
[0023] The outer walls of the first positioning plate 40 and the second positioning plate 50 are arc-shaped, and the outer walls are the surfaces of both facing the main positioning groove 20. The circle containing the outer walls and the inner edge of the positioning groove 20 are of the same circle structure.
[0024] The first positioning groove 41 is elongated and extends to the inner edge of the main positioning groove 20. The first positioning groove 41 is for inserting corresponding parts, such as spring clips. The height of the part is greater than the depth of the first positioning groove 41. After being inserted into the first positioning groove 41, it is easy to weld and fix it to the inner ring.
[0025] Additionally, a first slot 52 is provided on one side of the second positioning groove 51. The first slot 52 penetrates the second positioning plate 50 along the width direction of the second positioning plate 50. The first slot 52 and the second positioning groove 51 are generally formed into a convex shape. The shape of the corresponding part corresponds to the shape of the second positioning groove 51. It can be placed in the second positioning groove 51 and welded to the inner ring. The first slot 51 makes it easy to remove the wrong part.
[0026] The positioning plate 30 has multiple first mounting grooves 31 and second mounting grooves 32 along its edge. The first mounting groove 31 is used to accommodate the first positioning plate 40, and the second mounting groove 32 is used to accommodate the second positioning plate 50. The first mounting groove 31 and the second mounting groove 32 are provided with multiple connecting holes, and the first positioning plate 40 and the second positioning plate 50 are provided with multiple locking holes. By screwing in the locking parts into the corresponding locking holes and connecting holes, the locking connection of the first positioning plate 40 and the second positioning plate 50 can be achieved.
[0027] Meanwhile, a first slot 11 is provided on the substrate 10. The first slot 11 is connected to the main positioning slot 20. The position of the first slot 11 is opposite to the position of a second positioning plate 50. The second positioning plate 50 is located at the fingertips of the two first positioning plates 40. The strip before the inner ring is formed is placed into the main positioning slot 20. The beginning and end positions of the strip are aligned with the first slot 11 to form a positioning. Of course, welding can also be performed at this position to form the inner ring.
[0028] It should be noted that the depth of the main positioning groove 20 is less than the height of the inner ring.
[0029] Furthermore, when the inner ring is located in the main positioning groove 20, the outer edges of the first positioning plate 40 and the second positioning plate 50 are in close contact with the inner wall of the inner ring, and the parts on them are in contact with the inner ring accordingly, and then welding can be performed.
[0030] All descriptions herein may be presented in any suitable order. Any and all instances used, or exemplary language provided herein (such as "for example"), are merely for the purpose of better illustrating the invention and are not intended to limit the scope of the invention, except as provided in the claims. The language used in the detailed description should not be construed as indicating any essential elements for practicing the invention beyond the claims.
[0031] Therefore, this invention includes all improvements encompassed by the spirit and scope of the invention as defined in the claims. Furthermore, unless otherwise stated or there is a clear contradiction in the content, this invention includes any of the foregoing elements and all possible variations thereof.
Claims
1. A welding fixture for a secondary coil, the secondary coil comprising an inner ring, characterized in that, The welding fixture includes a base plate (10), on which a circular main positioning groove (20) is provided and a positioning disk (30) is formed inside the main positioning groove (20). The main positioning groove (20) is used to accommodate the inner ring. Multiple first positioning plates (40) and multiple second positioning plates (50) are provided at the edge of the positioning disk (30). The first positioning plate (40) is provided with a linearly distributed first positioning groove (41), and the second positioning plate (50) is provided with a second positioning groove (51). The outer edge of the second positioning groove (51) is flush with the outer edge of the second positioning plate (50). The outer edges of the first positioning plate (40) and the second positioning plate (50) can both fit and contact the inner wall of the inner ring.
2. The welding fixture for a secondary coil according to claim 1, characterized in that, The outer wall of the first positioning plate (40) and the outer wall of the second positioning plate (50) are arc-shaped.
3. The welding fixture for a secondary coil according to claim 2, characterized in that, The first positioning groove (41) is elongated and extends to the edge of the main positioning groove (20).
4. The welding fixture for a secondary coil according to claim 1, characterized in that, The second positioning groove (51) has a first slot (52) connected to one side, and the first slot (52) penetrates the second positioning plate (50) along the width direction of the second positioning plate (50).
5. The welding fixture for a secondary coil according to claim 1, characterized in that, Both the first positioning plate (40) and the second positioning plate (50) are provided with multiple locking holes.
6. The welding fixture for a secondary coil according to claim 1, characterized in that, The positioning plate (30) has a plurality of first mounting slots (31) and second mounting slots (32) at its edge. The first mounting slots (31) are used to accommodate the first positioning plate (40), and the second mounting slots (32) are used to accommodate the second positioning plate (50).
7. The welding fixture for a secondary coil according to claim 1, characterized in that, The substrate (10) is provided with a first slot (11), which is connected to the main positioning slot (20).