Supporting tool for guaranteeing machining precision of thin-wall and hollow-out structure part
By designing a three-section structural fixture that supports the end cap and the conical shaft, the problem of low machining accuracy for thin-walled and hollow structural parts was solved, enabling rapid clamping and efficient machining, thereby improving production efficiency and product quality.
Patent Information
- Application Number
- CN202520458518.3
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-03-17
- Publication Date
- 2026-02-06
- Estimated Expiration
- 2035-03-17
AI Technical Summary
Traditional tooling for machining thin-walled and hollow-structured parts suffers from problems such as low machining accuracy, long clamping time, complex structure, and poor adaptability, resulting in poor product quality and low production efficiency.
A support fixture including a support cap and a support cone shaft was designed. It can be quickly clamped and positioned by bolt connection. The support cap and the support cone shaft are clearance fit. The support cone shaft has a three-section structure to adapt to the processing needs of thin-walled hollow parts of different specifications and shapes.
It improves processing accuracy, reduces scrap rate, simplifies operation process, increases production efficiency, reduces labor intensity for workers, and can adapt to the processing needs of a variety of parts.
Smart Images
Figure CN223876576U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to mechanical processing frock technical field especially relates to a kind of support frock for guaranteeing thin-walled and openwork structure part machining precision. BACKGROUND
[0002] Thin-walled or openwork structure part is deformed under the action of processing force in the mechanical processing process, due to its complex structure, thin wall, thereby affecting the machining precision and surface quality of part. Traditional frock clamp has problems such as low machining precision, long clamping time, complex structure and poor adaptability, resulting in poor product quality and low production efficiency. Therefore, in order to ensure machining precision, a support frock with high machining precision, quick clamping, simple structure and strong adaptability is needed to meet the needs of thin-walled or openwork structure part machining. SUMMARY
[0003] Therefore, the utility model aims at providing a kind of support frock for guaranteeing thin-walled and openwork structure part machining precision to solve the problems such as low machining precision, long clamping time, complex structure and poor adaptability of traditional thin-walled and openwork structure part machining frock.
[0004] To achieve the above purpose, the utility model provides a kind of support frock for guaranteeing thin-walled and openwork structure part machining precision, including support cover and support cone shaft, the thin-walled openwork part to be processed is placed between the support cover and support cone shaft, the upper end of the support cover is uniformly distributed with a plurality of upper tension through holes, the support cone shaft is three-section structure, the support cover is connected with the support cone shaft by the upper tension through hole.
[0005] Further, the inner wall of the support cover is conical surface, and the outer circle of the support cover is gap matched with the inner hole of the thin-walled openwork part to be processed.
[0006] Further, the outer end face of the first section of the support cone shaft is provided with a center hole in the middle.
[0007] Further, the angle formed by the center hole relative to the normal direction of the outer end face is 30 °.
[0008] Further, the first section of the support cone shaft is uniformly distributed with a plurality of lower tension through holes, the lower tension through hole is corresponding with the end face thread hole of the thin-walled openwork part to be processed, and the support cone shaft is connected with the thin-walled openwork part to be processed by the lower tension through hole.
[0009] Further, the second section of the support cone shaft is positioning section, and the second section journal is gap matched with the stopper of the thin-walled openwork part to be processed.
[0010] Further, the third segment side end face of the support cone shaft is a conical surface, and the third segment outer end face of the support cone shaft is in contact with the inner wall of the support cover.
[0011] Further, the inner wall of the support cover and the third segment side end face of the support cone shaft are both 5° conical surfaces.
[0012] The support tool for ensuring the machining precision of the thin-walled and hollow structure part has the advantages that the support tool has a stable overall structure and can bear various forces and vibrations in the machining process, thereby ensuring the stability of the thin-walled and hollow part to be machined in the machining process; the support tool has a simple structure and is easy to operate and maintain, thereby reducing the labor intensity and difficulty of workers; the machining precision of the thin-walled and hollow part to be machined is ensured, the waste rate is reduced, the production efficiency is improved, and the cost is effectively improved; the support tool can adapt to the machining requirements of thin-walled and hollow parts to be machined of different specifications and shapes, and the support and machining of similar structure parts can be realized by adjusting the structure and parameters of the support tool. BRIEF DESCRIPTION OF DRAWINGS
[0013] In order to more clearly illustrate the technical scheme of the present application or the prior art, the following will briefly introduce the drawings needed to be used in the embodiments or the prior art description. Obviously, the drawings in the following description are only the present application, and other drawings can be obtained by those skilled in the art without creative labor.
[0014] Figure 1 The support tool for ensuring the machining precision of the thin-walled or hollow structure part is a support tool structure schematic view.
[0015] Figure 2 The support tool for ensuring the machining precision of the thin-walled or hollow structure part is a support tool structure schematic view.
[0016] Figure 3 The support cover is a support cover schematic view.
[0017] Figure 4 The support cover is a support cover sectional view.
[0018] Figure 5 The support cone shaft is a support cone shaft schematic view.
[0019] Figure 6 The support cone shaft is a support cone shaft sectional view.
[0020] In the drawing, the marks are:
[0021] 1, support cover; 2, support cone shaft; 3, thin-walled and hollow part to be machined; 4, upper tension through hole; 5, center hole; 6, lower tension through hole; 7, positioning segment. DETAILED DESCRIPTION
[0022] In order to make the purpose, technical scheme and advantages of the utility model more clearly, the following will be further described in detail in combination with specific embodiments.
[0023] It should be noted that, unless otherwise defined, the technical terms or scientific terms used in the utility model should be understood as the usual meaning by those skilled in the art to which the utility model belongs. The "first", "second" and similar words used in the utility model do not represent any order, quantity or importance, but are only used to distinguish different components. "Include" or "contain" and similar words mean that the elements or objects before the word cover the elements or objects listed after the word and their equivalents, without excluding other elements or objects. "Connection" or "connected" and similar words are not limited to physical or mechanical connection, but can include electrical connection, whether direct or indirect. "Up", "down", "left", "right" and the like are only used to represent the relative positional relationship, when the absolute position of the described object changes, the relative positional relationship may also change accordingly.
[0024] The embodiment of the utility model provides a kind of guarantee thin wall and hollow structure part machining precision support tool, as shown in Figures 1-6 It is shown that, including support cover 1 and support cone shaft 2, the thin-wall hollow part 3 to be processed is placed between support cover 1 and support cone shaft 2, and the upper end of support cover 1 is uniformly distributed with a plurality of upper tension through holes 4. The support cone shaft 2 is a three-section structure, and the support cover 1 is bolted to the support cone shaft 2 through the upper tension through hole 4.
[0025] In the embodiment, the inner wall of the support cover 1 is a conical surface, and the outer circle of the support cover 1 is gap-fitted with the inner hole of the thin-wall hollow part 3 to be processed.
[0026] In the embodiment, the first section of the support cone shaft 2 is uniformly distributed with a plurality of lower tension through holes 6 on the outer end face, and the lower tension through holes 6 correspond to the threaded holes of the end face of the thin-wall hollow part 3 to be processed. The support cone shaft 2 is bolted to the thin-wall hollow part 3 to be processed through the lower tension through hole 6.
[0027] In the embodiment, the second section of the support cone shaft 2 is a positioning section 7, and the second section journal is gap-fitted with the stopper of the thin-wall hollow part 3 to be processed.
[0028] Working process and principle: before use, the inner hole of the thin-walled hollow part 3 to be processed is first processed to the required size, and the outer circle is left with sufficient allowance; during use, the support cover 1 and the support taper shaft 2 are connected by the upper tightening through hole 4 through bolting to position and support the thin-walled hollow part 3 to be processed between the support cover 1 and the support taper shaft 2, and then the hollow part and the thin-walled outer circle of the thin-walled hollow part 3 to be processed are processed;
[0029] The second section of the support taper shaft 2 is a positioning section 7, the second section journal is in clearance fit with the stop opening of the thin-walled hollow part 3 to be processed, is positioned by the stop opening, and is guaranteed to move together with the thin-walled hollow part 3 to be processed after bolting; the support taper shaft 2 and the support cover 1 are connected by bolting, preferably by three bolts, to guarantee that the inclined surface is in close contact, so that the support cover 1 is expanded and supports the thin-walled hollow part 3 to be processed, and at the same time, the support cover 1 and the support taper shaft 2 move together. The above connection mode is simple and easy to understand, and can be extended to be suitable for similar products of various types by adjusting the structure and parameters of the tooling. The force and vibration generated during processing are applied to the tooling, which does not affect the thin-walled hollow part 3 to be processed, so that the hollow and thin-walled parts of the thin-walled hollow part 3 to be processed are not distorted, and the precision requirement is met.
[0030] In the embodiment, as shown in Figure 3 , Figure 4 , a center hole 5 is formed in the middle of the outer end face of the first section of the support taper shaft 2, and the angle formed by the center hole 5 relative to the normal direction of the outer end face is 30°, which is convenient for processing and use.
[0031] In the embodiment, as shown in Figure 5 , Figure 6 , the side end face of the third section of the support taper shaft 2 is a conical surface, the outer end face of the third section of the support taper shaft 2 is in contact with the inner wall of the support cover 1, and the inner wall of the support cover 1 and the side end face of the third section of the support taper shaft 2 are both 5° conical surfaces. The increase of the contact area makes the overall structure of the tooling more stable, and guarantees that the support cover 1 and the support taper shaft 2 move together.
[0032] It should be understood by those skilled in the art that the discussion of any of the above embodiments is only exemplary and is not intended to limit the scope of the present application (including the claims) to these examples; under the concept of the present application, the above embodiments or technical features in different embodiments can also be combined, the steps can be implemented in any order, and there are many other changes of different aspects of the present application as described above. In order to be brief, they are not provided in detail.
[0033] The present application is intended to cover all such alternatives, modifications, and variations that fall within the broad scope of the appended claims. Accordingly, any and all such alternations, modifications, equivalents, improvements and the like are intended to be encompassed by the present application.
Claims
1. A support tool for ensuring machining accuracy of a thin-walled and hollow-structured part, characterized by, The utility model provides a support cover (1) and support cone shaft (2) including, the thin wall hollow part (3) to be processed is placed between the support cover (1) and support cone shaft (2), the upper end of the support cover (1) is uniformly provided with a plurality of upper tension through -hole (4), the support cone shaft (2) is three -section structure, the support cover (1) with the support cone shaft (2) are connected through the upper tension through -hole (4) by bolt.
2. The supporting tooling for ensuring the machining precision of thin-walled and hollow-structured parts according to claim 1, characterized in that, The inner wall of the support cover (1) is a conical surface, and the outer circle of the support cover (1) is gap-fitted with the inner hole of the thin wall hollow part (3) to be processed.
3. The supporting tooling for ensuring the machining precision of thin-walled and hollow-structured parts according to claim 1, characterized in that, A center hole (5) is formed in the middle of the outer end face of the first section of the support cone shaft (2).
4. The supporting tooling for ensuring the machining precision of thin-walled and hollow-structured parts according to claim 3, characterized in that, The angle formed by the center hole (5) relative to the normal direction of the outer end face is 30°.
5. The supporting tool for ensuring the machining precision of thin-walled and hollow-structured parts according to claim 1, characterized in that, The outer end face of the first section of the support cone shaft (2) is uniformly provided with a plurality of lower tension through -holes (6), the lower tension through -holes (6) correspond to the end face thread hole of the thin wall hollow part (3) to be processed, and the support cone shaft (2) is connected with the thin wall hollow part (3) to be processed through the lower tension through -hole (6).
6. The support tooling of claim 1, wherein, The second section of the support cone shaft (2) is a positioning section (7), and the second section journal is gap-fitted with the end face of the thin wall hollow part (3) to be processed.
7. The support tooling of claim 2, wherein, The side end face of the third section of the support cone shaft (2) is a conical surface, and the outer end face of the third section of the support cone shaft (2) is in contact with the inner wall of the support cover (1).
8. The support tooling of claim 7, wherein, The inner wall of the support cover (1) and the side end face of the third section of the support cone shaft (2) are both 5° conical surfaces.