Repair tool for thin-wall annular part
By designing a repair fixture for thin-walled annular parts, and utilizing a combination of annular base, pressure plate, and bolts, along with a dial indicator and CNC lathe, the problem of deformation during the processing of thin-walled annular parts was solved, achieving precise repair and cost savings.
Patent Information
- Application Number
- CN202423245270.7
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-27
- Publication Date
- 2025-11-21
- Estimated Expiration
- 2034-12-27
AI Technical Summary
Thin-walled ring parts are prone to deformation during processing, which can lead to dimensions not meeting the drawing requirements, increasing production costs and potentially causing them to be scrapped.
A tooling for repairing thin-walled annular parts is designed, including an annular base, a pressure plate, and bolts. The thin-walled annular parts are fixed by bolts, and the deformation position is located by using a dial indicator. The bolt positions are adjusted to perform micro-deformation repair, and the parts are precisely machined using a CNC lathe.
It effectively repairs deformation of thin-walled ring parts, ensures that dimensions meet drawing requirements, avoids scrapping, saves material costs, prevents scratches, and achieves uniform stress repair.
Smart Images

Figure CN223571712U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to the technical field of metallurgical equipment, especially to a thin-walled ring part repairing tool. BACKGROUND
[0002] Thin-walled ring part refers to the ring part whose wall thickness and radial dimension differ greatly. Generally, the ring part whose wall thickness to inner diameter curvature radius ratio is less than 1:20 is called thin-walled ring part.
[0003] At present, in the existing traditional processing technology, the thin-walled ring part is prone to deformation due to stress release during processing, which leads to the size of the product not meeting the tolerance requirements of the drawing, and finally results in scrap, greatly increasing the production cost. UTILITY MODEL CONTENT
[0004] In view of the deficiencies of the prior art, the utility model provides a thin-walled ring part repairing tool, which is suitable for thin-walled ring part products with size out of tolerance due to processing deformation, and does not need to be scrapped after repair.
[0005] The utility model solves the above technical problems by the following technical scheme:
[0006] A thin-walled ring part repairing tool, comprising a ring-shaped bottom support, the thin-walled ring part is placed in the ring-shaped bottom support, one side of the ring-shaped bottom support is provided with a pressing plate, the pressing plate is pressed on the thin-walled ring part, the pressing plate is connected with the ring-shaped bottom support through a bolt one, the opening diameter of the side of the ring-shaped bottom support away from the pressing plate is smaller than the diameter of the thin-walled ring part, a plurality of bolts two are threadedly connected around the ring-shaped bottom support, and the bolts two are used for abutting against the periphery of the thin-walled ring part.
[0007] The beneficial effects of the above technical scheme are that the thin-walled ring part with processing deformation is placed in the ring-shaped bottom support, the pressing plate is fixed on the ring-shaped bottom support through the bolt one, the bolts two are threadedly connected around the ring-shaped bottom support, the assembled repairing tool is fixed to the numerical control lathe through the three-jaw chuck, the dial gauge is in contact with the inner wall of the thin-walled ring part, the dial gauge is a commonly used reference tool in the prior art, the standard of the dial gauge is determined according to the drawing requirements of the thin-walled ring part, the lathe is slowly rotated, the position of the thin-walled ring part deformation can be found through the value change on the dial gauge when the lathe is slowly rotated, that is, the place with large value jump on the dial gauge is the position of the thin-walled ring part deformation, the deformation position of the thin-walled ring part is repaired by adjusting the bolts two adjacent to the deformation position to make the thin-walled ring part with processing deformation produce micro-deformation, and the size of the product can meet the requirements of the drawing after multiple repairs, and the repaired product does not need to be scrapped.
[0008] Further, the ring-shaped gasket is arranged between the ring-shaped bottom support and the thin-walled ring part.
[0009] The beneficial effect of the above technical solution is that the annular gasket can prevent bolt two from causing indentation or scratch on the thin-walled annular part when adjusting bolt two.
[0010] Further, the bolt two abuts against the annular gasket.
[0011] Further, the annular bottom support is internally provided with an annular boss, the thin-walled annular part abuts against the annular boss, and a distance is left between the thin-walled annular part and the side of the annular bottom support away from the pressing plate.
[0012] The beneficial effect of the above technical solution is that the contact area of the thin-walled annular part and the annular bottom support is reduced, which facilitates the repair of the thin-walled annular part.
[0013] Further, the plurality of bolt two are evenly distributed along the circumference of the annular bottom support.
[0014] The beneficial effect of the above technical solution is that the stress of the annular bottom support and the thin-walled annular part is more uniform, which facilitates the repair of the deformed part of the thin-walled annular part.
[0015] Further, the pressing plate is of annular structure.
[0016] The beneficial effect of the above technical solution is that the fixing effect of the pressing plate on the thin-walled annular part can be achieved, the thin-walled annular part can be conveniently tested and repaired, and the raw material cost for manufacturing the pressing plate can be saved.
[0017] Further, the plurality of bolt one are evenly distributed along the circumference of the pressing plate.
[0018] The beneficial effect of the above technical solution is that the fixing effect of the pressing plate on the thin-walled annular part can be achieved, and the stress of the pressing plate, the annular bottom support and the thin-walled annular part is more uniform.
[0019] Further, the bolt one passes through the pressing plate and is threadedly connected with the annular bottom support.
[0020] The beneficial effect of the above technical solution is that the pressing plate can be fixed on the annular bottom support, and is convenient to disassemble and assemble. BRIEF DESCRIPTION OF DRAWINGS
[0021] Fig. 1 It is a schematic diagram of the overall structure of the utility model;
[0022] Fig. 2 It is a sectional view of the overall structure of the utility model;
[0023] Fig. 3 It is an explosion view of the overall structure of the utility model.
[0024] Explanation of reference signs: 1, annular base; 2, bolt two; 3, annular gasket; 4, thin-walled annular part; 5, pressing plate; 6, bolt one; 7, annular boss. DETAILED DESCRIPTION
[0025] The principles and characteristics of the utility model are described, and the examples are only used to explain the utility model and are not used to limit the scope of the utility model. Figs. 1-3 The principles and characteristics of the utility model are described, and the examples are only used to explain the utility model and are not used to limit the scope of the utility model.
[0026] The utility model discloses a kind of thin-walled annular part's repair tooling.
[0027] With reference to Figs. 1-3 A kind of thin-walled annular part's repair tooling, including annular base 1, the thin-walled annular part 4 is placed in annular base 1, one side of the annular base 1 is equipped with pressing plate 5, the pressing plate 5 is pressed on thin-walled annular part 4, the pressing plate 5 is connected with annular base 1 by bolt one 6, the periphery of the annular base 1 is threadedly connected with multiple bolt two 2, and the bolt two 2 is used to abut with the periphery of thin-walled annular part 4.
[0028] The pressing plate 5 is annular structure, both can realize the fixed effect of pressing plate 5 to thin-walled annular part 4, can also conveniently test and repair thin-walled annular part 4, can also save raw material cost of making pressing plate 5.
[0029] By placing the thin-walled annular part 4 of machining deformation in annular base 1, and fixing the pressing plate 5 on annular base 1 by bolt one 6, threadedly connecting bolt two 2 on the periphery of annular base 1, and fixing the assembled repair tooling to numerical control lathe by three-jaw chuck, make the inside wall of thin-walled annular part 4 contact with the dial gauge, the dial gauge is the commonly used datum finding tool in prior art, and the measurement principle and use method of the dial gauge are prior art, which will not be repeated here. After determining the standard of dial gauge according to the drawing of thin-walled annular part 4, make the lathe slowly rotate, when the lathe slowly rotates, the position of thin-walled annular part 4 deformation can be found by the value change on dial gauge, that is, the place where the value on dial gauge jumps greatly is the position of thin-walled annular part 4 deformation, and then by adjusting the bolt two 2 adjacent to the deformation position, the thin-walled annular part 4 of machining deformation is made to produce micro deformation, to repair the deformation position of thin-walled annular part 4, after multiple times, finally the size of product can meet the requirements of drawing, and no scrap processing is needed after repair.
[0030] The opening diameter of one side of the annular base 1 away from the pressing plate 5 is less than the diameter of the thin-walled annular part 4, the annular base 1 is integrally provided with annular boss 7 in the inside, the thin-walled annular part 4 abuts with the annular boss 7, and a distance is left between the thin-walled annular part 4 and the one side of the annular base 1 away from the pressing plate 5, which can reduce the contact area of the thin-walled annular part 4 and the annular base 1, and facilitate the repair of the thin-walled annular part 4.
[0031] The plurality of the second bolts 2 are evenly distributed along the circumference of the annular base 1, for example, 12 second bolts 2 are arranged, so that the stress of the annular base 1 and the thin-walled annular part 4 is more uniform, and the deformed part of the thin-walled annular part 4 is facilitated to be repaired.
[0032] The annular gasket 3 is arranged between the annular base 1 and the thin-walled annular part 4, and the second bolts 2 abut against the annular gasket 3, so that the annular gasket 3 can prevent the second bolts 2 from leaving indentations or scratches on the thin-walled annular part 4 when the second bolts 2 are adjusted.
[0033] The plurality of the first bolts 6 are arranged, for example, 6 first bolts 6 are arranged, and the plurality of the first bolts 6 are evenly distributed along the circumference of the pressing plate 5, so that the fixing effect of the pressing plate 5 on the thin-walled annular part 4 is realized, and the stress of the pressing plate 5, the annular base 1 and the thin-walled annular part 4 is more uniform.
[0034] The first bolts 6 pass through the pressing plate 5 and are threadedly connected with the annular base 1, so that the pressing plate 5 is fixed on the annular base 1, and the pressing plate 5 is facilitated to be disassembled.
[0035] The above only describes the preferred embodiments of the present application, and is not used to limit the present application, and any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application shall be included in the protection scope of the present application.
Claims
1. A repair tool for thin-walled annulars, characterized by: The application relates to a thin-walled ring-shaped part (4) placed in a ring-shaped base (1), one side of the ring-shaped base (1) being provided with a pressing plate (5) which is pressed on the thin-walled ring-shaped part (4), the pressing plate (5) being connected with the ring-shaped base (1) through a bolt (6), the diameter of the opening on the side of the ring-shaped base (1) away from the pressing plate (5) being smaller than the diameter of the thin-walled ring-shaped part (4), and a plurality of bolts (2) being threadedly connected around the ring-shaped base (1) and used for abutting against the periphery of the thin-walled ring-shaped part (4).
2. A repair fixture for thin-walled annular members as defined in claim 1, characterized in that: An annular gasket (3) is arranged between the ring-shaped base (1) and the thin-walled ring-shaped part (4).
3. A repair fixture for thin-walled annular members as defined in claim 2, characterized in that: The bolts (2) abut against the annular gasket (3).
4. The repair fixture for thin-walled annulars of claim 1, wherein: An annular boss (7) is arranged inside the ring-shaped base (1), the thin-walled ring-shaped part (4) abutting against the annular boss (7), and a distance being left between the thin-walled ring-shaped part (4) and the side of the ring-shaped base (1) away from the pressing plate (5).
5. The repair tool for thin-walled annular members according to claim 1, characterized in that: The plurality of bolts (2) are uniformly distributed around the ring-shaped base (1).
6. A repair fixture for thin-walled annular members as defined in claim 1, characterized in that: The pressing plate (5) is of an annular structure.
7. A repair fixture for thin-walled annular members as defined in claim 6, characterized in that: A plurality of bolts (6) are arranged, and the plurality of bolts (6) are uniformly distributed around the pressing plate (5).
8. The repair fixture for thin-walled annulars of claim 1, wherein: The bolts (6) pass through the pressing plate (5) and are threadedly connected with the ring-shaped base (1).