Positioning clamp for transformer shell machining
By designing a positioning fixture suitable for transformer housing processing, the problems of unstable welding seams and difficult assembly were solved, a high-precision and efficient processing process was achieved, and the quality of the transformer housing was ensured.
Patent Information
- Application Number
- CN202421876647.6
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-08-05
- Publication Date
- 2025-09-09
- Estimated Expiration
- 2034-08-05
AI Technical Summary
During the processing of transformer casings, the welding seams are unstable and assembly is difficult, resulting in reduced processing accuracy and affecting product quality and efficiency.
A positioning fixture is designed, which includes a fixture base, a raising seat, a supporting device, an auxiliary device and a fixing device. The raising seat improves the convenience of operation, the supporting device and the auxiliary device provide diversified adaptability, and the fixing device ensures the precise positioning and stability of the workpiece. Multiple sets of adjustment slots and positioning holes are used to achieve fast and precise adjustment of the workpiece position and angle.
It improves machining accuracy and efficiency, ensures the stability and correct positioning of the workpiece during machining, avoids movement or offset, and improves product quality.
Smart Images

Figure CN223313800U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of mechanical processing, in particular to a positioning fixture for processing a transformer shell. Background Art
[0002] A transformer is a device that uses the principle of electromagnetic induction to change AC voltage. Its main components are the primary coil, secondary coil, and iron core. During the processing of the transformer casing, precise cutting and other processes are required in the plate cutting, bending, welding, and assembly stages. Positioning fixtures and tooling ensure cutting accuracy, accuracy of bending angles, stability of welding seams, and correct docking of components, thereby ensuring the dimensional accuracy, structural strength, and assembly quality of the final product, laying the foundation for the performance and reliability of the transformer.
[0003] During the welding process, if the workpiece is not accurately positioned and fixed, gaps or unevenness may appear in the weld seam, affecting the welding quality and strength. It is difficult to accurately align the various components during the assembly process, increasing the complexity and time cost of assembly. The operator needs to accurately control the position and movement trajectory of the processing tool, which reduces the accuracy and efficiency of the processing process, resulting in a decrease in processing accuracy and affecting product quality. Utility Model Content
[0004] The purpose of the utility model is to provide a positioning fixture for processing a transformer housing, so as to solve the problems of unstable welding seams, difficult assembly and reduced processing accuracy proposed in the above background technology.
[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a positioning fixture for transformer casing processing, comprising a fixture base, a raising seat, a supporting device, an auxiliary device and a fixing device, the raising seat being installed at the top of the fixture base, the top of the raising seat being installed with a supporting device, the auxiliary device being provided on the surrounding surfaces of the supporting device, and fixing devices being installed on both sides of the supporting device, the fixing device comprising a handle, a supporting frame, a top groove, a locking button, a slider, a sliding rod, a splint and a protective pad, handles being installed on both sides of the supporting device, the inner side of the handle being connected to the supporting frame, the top of the supporting frame being provided with a top groove, locking buttons being provided on both sides of the top groove, a slider being provided on the outer side of the supporting frame, sliding rods being installed on both sides of the slider, the inner side of the free end of the sliding rod being connected to the splint, and the inner wall of the splint being connected to the protective pad.
[0006] Preferably, the supporting device includes an operating table, an adjustment plate, a sliding shaft, a fixed groove and a fixed shaft. The operating table is installed on the top of the booster seat, an adjustment plate is provided above the operating table, a sliding shaft is provided on the adjustment plate, fixed grooves are provided on both sides of the operating table, and a fixed shaft is provided on the inner side of the fixed groove.
[0007] Preferably, baffles of different thicknesses are provided on the left and right sides of the operating table, and the fixing grooves are provided in two groups, front and back, and each group is provided with two fixed shafts.
[0008] Preferably, the auxiliary device includes a placement plate, a positioning plate, a vertical plate, an adjustment slot and a positioning hole. The placement plate is installed on the top of the support device, the positioning plate is installed at the top center of the placement plate, and vertical plates are installed at both ends of the placement plate. Two groups of adjustment slots are opened on the vertical plates, and positioning holes are provided on the outside of the adjustment slots.
[0009] Preferably, the sliding shaft and the placement plate are plug-in connected, the sliding shaft forms an adjustment structure through the placement plate and the fixed shaft, and the positioning plate is made of anti-slip material.
[0010] Preferably, the two sets of handles respectively pass through the inner sides of the two sets of adjustment slots and are fixed to the positioning holes. The sliding rod forms a fixed structure through the slider and the locking button. The splint and the protective pad are fixedly connected.
[0011] Compared with the prior art, the beneficial effects of the present invention are:
[0012] Convenient operation: the height raising seat increases the height of the entire fixture, making operation more convenient and avoiding the inconvenience of low-position operation;
[0013] Adaptability and flexibility: the device takes into account workpieces of different sizes and shapes and can be adjusted and used according to specific needs to adapt to diverse processing requirements;
[0014] Improve processing accuracy and efficiency. Through precise positioning and stable fixation, the problem of workpiece movement or offset during processing is effectively avoided, which improves processing accuracy and efficiency and helps to ensure product quality.
[0015] The fixture is designed with multiple sets of adjustment slots and positioning holes to quickly and accurately adjust the position and angle of the workpiece, ensuring the stability and correct positioning of the workpiece during processing. BRIEF DESCRIPTION OF THE DRAWINGS
[0016] Figure 1 It is a schematic diagram of the overall structure of the utility model.
[0017] Figure 2 It is a schematic diagram of the overall top structure of the utility model.
[0018] Figure 3 This is a schematic structural diagram of the support device of the present utility model.
[0019] Figure 4 This is a schematic structural diagram of the fixing device of the present utility model.
[0020] In the figure: 1. Clamp base; 2. Booster seat; 3. Support device; 301. Operating table; 302. Adjustment plate; 303. Sliding shaft; 304. Fixing groove; 305. Fixed shaft; 4. Auxiliary device; 401. Placement plate; 402. Positioning plate; 403. Vertical plate; 404. Adjustment groove; 405. Positioning hole; 5. Fixing device; 501. Handle; 502. Support frame; 503. Top groove; 504. Locking button; 505. Slider; 506. Sliding rod; 507. Clamp; 508. Protective pad. DETAILED DESCRIPTION
[0021] In order to make the technical means, creative features, objectives and effects achieved by the present invention easier to understand, the present invention is further described below in conjunction with specific implementation methods.
[0022] See also Figure 1-4 The utility model provides an embodiment: a positioning fixture for processing a transformer casing, comprising a fixture base 1, a raised seat 2, a supporting device 3, an auxiliary device 4 and a fixing device 5, wherein the raised seat 2 is mounted on the top of the fixture base 1, the top of the raised seat 2 is mounted with the supporting device 3, the auxiliary device 4 is arranged on the surrounding surface of the supporting device 3, and the fixing devices 5 are mounted on both sides of the supporting device 3, the fixing device 5 comprises a handle 501, a support frame 502, a top groove 503, a locking button 504, a slider 5 05, slide rod 506, splint 507 and protection pad 508, handles 501 are installed on both sides of the support device 3, the inner side of the handle 501 is connected to the support frame 502, a top groove 503 is opened on the top of the support frame 502, locking buttons 504 are provided on both sides of the top groove 503, a slider 505 is provided on the outer side of the support frame 502, slide rods 506 are installed on both sides of the slider 505, the inner side of the free end of the slide rod 506 is connected to the splint 507, and the inner wall of the splint 507 is connected to the protection pad 508.
[0023] The supporting device 3 includes an operating table 301, an adjustment plate 302, a sliding shaft 303, a fixing groove 304 and a fixed shaft 305. The operating table 301 is installed on the top of the booster seat 2 to raise the height of the entire clamp, making the operation more convenient and avoiding the inconvenience of low-position operation. An adjustment plate 302 is provided above the operating table 301, and a sliding shaft 303 is provided on the adjustment plate 302. Fixed grooves 304 are provided on both sides of the operating table 301, and a fixed shaft 305 is provided on the inner side of the fixed groove 304, providing a platform and space for operation and adjustment, so that the user can accurately adjust the position and angle of the clamp.
[0024] Baffles of different thicknesses are provided on the left and right sides of the operating table 301. The fixing slots 304 are provided in two groups, front and back, and each group is provided with two fixing shafts 305, which allows the fixture to be fixed in different positions while ensuring safety and adapts to workpieces of different sizes and shapes.
[0025] The auxiliary device 4 includes a placement plate 401, a positioning plate 402, a vertical plate 403, an adjustment groove 404 and a positioning hole 405. The placement plate 401 is installed on the top of the support device 3, the positioning plate 402 is installed at the top center of the placement plate 401, and vertical plates 403 are installed at both ends of the placement plate 401. Two groups of adjustment grooves 404 are opened on the vertical plate 403, and positioning holes 405 are provided on the outside of the adjustment grooves 404, which can be quickly adjusted according to the processing height to assist the fixing device 5 in clamping the workpiece.
[0026] The sliding shaft 303 and the placement plate 401 are plug-in connected. The sliding shaft 303 forms an adjustment structure with the placement plate 401 and the fixed shaft 305. The positioning plate 402 is made of anti-slip material and provides a platform for placing and positioning the workpiece, ensuring that the workpiece remains stable and in the correct position during the processing.
[0027] The two sets of handles 501 pass through the inner sides of the two sets of adjustment slots 404 respectively and are fixed to the positioning holes 405. The slide rod 506 forms a fixed structure through the slider 505 and the locking button 504. The splint 507 and the protective pad 508 are fixedly connected to ensure that once adjusted to the appropriate position, the clamp can be firmly maintained in that position to avoid movement due to the weight of the workpiece or processing force.
[0028] Working principle: First, place the fixture base 1 in the specified position, and adjust the position of the adjustment plate 302 on the operating table 301 according to the appropriate processing position, so that the placement plate 401 moves in the sliding shaft 303, and then use the fixed shafts 305 on both sides to lock it, and place the parts of the outer shell to be processed on the positioning plate 402, and adjust it according to its height, and move the handles 501 on both sides up and down through the adjustment groove 404 so that the splint 507 on the inside just fixes it at the appropriate processing height, and the protective pad 508 plays a protective role, and then fix the parts on both sides of the handle 501 to the positioning hole 405, and after the splint 507 is tightly attached, move the inner slide rod 506 through the slider 505 to make it fixed and stable, and turn the locking button 504 to make it pass through the top groove 503 and firmly fix its slide rod 506.
[0029] The above is only an embodiment of the present invention, and common knowledge such as the specific structure and characteristics of the scheme are not described in detail here. For those skilled in the art, it is obvious that the present invention is not limited to the details of the above exemplary embodiments, and the present invention can be implemented in other specific forms without departing from the spirit or basic characteristics of the present invention. Therefore, no matter from which point of view, the embodiments should be regarded as exemplary and non-restrictive. The scope of the present invention is limited by the appended claims rather than the above description, and it is intended that all changes that fall within the meaning and scope of the equivalent elements of the claims are included in the present invention. Any figure mark in the claims should not be regarded as limiting the claim involved.
Claims
1. A positioning fixture for processing a transformer housing, comprising a fixture base (1), a heightening seat (2), a supporting device (3), an auxiliary device (4) and a fixing device (5), characterized in that: The booster seat (2) is mounted on the top of the fixture base (1), a supporting device (3) is mounted on the top of the booster seat (2), auxiliary devices (4) are arranged on the surrounding surfaces of the supporting device (3), fixing devices (5) are mounted on both sides of the supporting device (3), and the fixing devices (5) include a handle (501), a support frame (502), a top groove (503), a locking button (504), a slider (505), a slide rod (506), a splint (507) and a protective pad (508), and the two sides of the supporting device (3) are provided with a plurality of auxiliary devices (4). A handle (501) is installed on the side, the inner side of the handle (501) is connected to a support frame (502), a top groove (503) is opened on the top of the support frame (502), and locking buttons (504) are provided on both sides of the top groove (503), a slider (505) is provided on the outer side of the support frame (502), and sliding rods (506) are installed on both sides of the slider (505), the inner side of the free end of the sliding rod (506) is connected to a splint (507), and the inner wall of the splint (507) is connected to a protective pad (508).
2. A positioning fixture for processing a transformer housing according to claim 1, characterized in that: The supporting device (3) comprises an operating platform (301), an adjustment plate (302), a sliding shaft (303), a fixing groove (304) and a fixing shaft (305); the operating platform (301) is installed on the top of the heightened seat (2); the adjusting plate (302) is arranged above the operating platform (301); the sliding shaft (303) is provided on the adjusting plate (302); the fixing grooves (304) are provided on both sides of the operating platform (301); and the fixing shaft (305) is provided inside the fixing grooves (304).
3. The positioning fixture for processing a transformer housing according to claim 2, characterized in that: Baffles of different thicknesses are provided on the left and right sides of the operating table (301), and the fixing slots (304) are provided in two groups, front and back, with each group provided with two fixing shafts (305).
4. The positioning fixture for processing a transformer housing according to claim 2, characterized in that: The auxiliary device (4) comprises a placement plate (401), a positioning plate (402), a vertical plate (403), an adjustment slot (404) and a positioning hole (405); the placement plate (401) is installed on the top of the support device (3); the positioning plate (402) is installed at the top center of the placement plate (401); vertical plates (403) are installed at both ends of the placement plate (401); two groups of adjustment slots (404) are opened on the vertical plate (403); and positioning holes (405) are provided on the outer sides of the adjustment slots (404).
5. The positioning fixture for processing a transformer housing according to claim 4, characterized in that: The sliding shaft (303) and the placement plate (401) are plug-connected, the sliding shaft (303) forms an adjustment structure through the placement plate (401) and the fixed shaft (305), and the positioning plate (402) is made of anti-slip material.
6. The positioning fixture for processing a transformer housing according to claim 4, characterized in that: The two groups of handles (501) respectively penetrate the inner sides of the two groups of adjustment slots (404) and are fixed to the positioning holes (405). The slide bar (506) forms a fixed structure through the slider (505) and the locking button (504). The splint (507) and the protection pad (508) are fixedly connected.