Anti-vibration machining device based on thin-wall parts
By combining a contoured outer jacket and annular pressure plate with a vibration damping ring clamping structure, the problems of elliptical deformation and vibration marks in the machining of thin-walled parts are solved, thereby improving the machining quality and production efficiency of the parts.
Patent Information
- Application Number
- CN202520647811.4
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-04-08
- Publication Date
- 2026-02-27
- Estimated Expiration
- 2035-04-08
AI Technical Summary
Large-diameter, thin-walled parts are prone to elliptical deformation and vibration marks during processing, which affect the dimensional accuracy and surface quality of the parts, leading to a decline in production efficiency and product quality.
The product uses a combination of a contoured outer jacket and a ring-shaped pressure plate, combined with a vibration damping ring to clamp the thin-walled product. The vibration damping ring counteracts vibrations during processing, preventing inner wall deformation and the generation of vibration marks.
Effectively control machining deformation and vibration marks of thin-walled parts, improve machining quality and pass rate, and achieve mass production.
Smart Images
Figure CN223946967U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to aviation field precision manufacturing technical field more specifically, it is a kind of based on thin-walled parts anti-vibration machining device, mainly for the generation of oval deformation and inner hole wall vibration of thin-walled parts inner wall processing. BACKGROUND
[0002] In the aviation field and precision manufacturing field, the processing of large-diameter thin-walled parts has always been a technical problem. The wall thickness of such parts is usually less than 0.05 mm compared to the outer diameter, such as Figure 1 As shown, oval deformation and vibration marks are prone to occur during processing. These defects not only affect the dimensional accuracy and surface quality of the parts, but also may cause the parts to be scrapped, thereby seriously affecting production efficiency and product quality.
[0003] In traditional processing methods, thin-walled parts are prone to deformation under the action of cutting force due to their poor rigidity. In particular, when processing the inner hole, the inner wall of the thin-walled part is prone to oval deformation and vibration marks due to uneven distribution of cutting force. These problems have always been a difficult problem to be solved in the field of mechanical processing, and have important significance for improving the level of mechanical processing and the self-making ability of factory repair parts.
[0004] Therefore, in view of the oval deformation and vibration marks existing in the processing of large-diameter thin-walled parts, there is an urgent need for a processing device that can effectively control processing deformation and reduce the generation of vibration marks to improve the processing quality and qualification rate of parts. UTILITY MODEL CONTENT
[0005] Therefore, the utility model provides a kind of based on thin-walled parts anti-vibration machining device, to solve the above technical problems.
[0006] In order to achieve the above purpose, the utility model adopts the following technical solutions:
[0007] A kind of based on thin-walled parts anti-vibration machining device, for processing the inner hole of thin-walled product, comprising:
[0008] Profiling outer sleeve, the profiling outer sleeve has profiling hole for inserting the thin-walled product;
[0009] At least two anti-vibration rings, the outer circle of at least two anti-vibration rings cooperates with the profiling hole of the profiling outer sleeve, the inner circle of the anti-vibration ring cooperates with the outer circle of the thin-walled product inserted into the profiling hole, and at least two anti-vibration rings are distributed at the front end and the middle rear end of the outer circle of the thin-walled product;
[0010] A ring-shaped pressing plate, which is detachably connected with the opening of the profiling hole of the profiling sleeve, and the working end face of the ring-shaped pressing plate abuts against the end face of the thin-walled product.
[0011] Through the technical scheme, the thin-walled product is clamped and fastened by the profiling sleeve and the ring-shaped pressing plate, at least two anti-vibration rings are arranged in the profiling sleeve, when the thin-walled product is precisely machined, the outer circle of the thin-wibrated product is matched with the anti-vibration rings, the vibration generated in the machining process is offset by the anti-vibration rings, and the problems of oval deformation and vibration marks of the inner wall of the thin-walled product in the machining of the large-diameter and thin-walled product are avoided.
[0012] Preferably, in the anti-vibration machining device for the thin-walled product, the opening of the profiling hole of the profiling sleeve has external threads, and the ring-shaped pressing plate has internal threads connected with the external threads.
[0013] Preferably, in the anti-vibration machining device for the thin-walled product, the outer end face of the profiling sleeve is provided with a chuck.
[0014] Preferably, in the anti-vibration machining device for the thin-walled product, the anti-vibration rings are made of fluoroplastic.
[0015] Preferably, in the anti-vibration machining device for the thin-walled product, the inner hole of the ring-shaped pressing plate is used for letting the tool to facilitate cutting the inner hole wall of the thin-walled product.
[0016] Preferably, in the anti-vibration machining device for the thin-walled product, the number of the anti-vibration rings is two.
[0017] Preferably, in the anti-vibration machining device for the thin-walled product, the profiling hole has a stepped surface matched with the thin-walled product, and the stepped surface limits the axial movement of the thin-walled product.
[0018] Preferably, in the anti-vibration machining device for the thin-walled product, the end faces of the thin-walled product abut against the inner bottom face of the profiling hole and the working end face of the ring-shaped pressing plate respectively.
[0019] Compared with the prior art, the anti-vibration machining device for the thin-walled product mainly solves the problems of oval deformation and vibration marks of the inner hole of the thin-walled product caused by uneven cutting force. The anti-vibration rings have strong buffering, anti-vibration and anti-deformation capabilities, the outer circle of the thin-walled product is not directly matched with the profiling sleeve, and the problems of ovality and vibration marks are avoided. The qualified rate of the product is controlled, and the method has been successfully tested and can be mass-produced. BRIEF DESCRIPTION OF DRAWINGS
[0020] In order to more clearly illustrate the technical solutions of the embodiments of the present application or the prior art, the drawings needed to be used in the embodiments or the prior art description will be briefly introduced as follows. Obviously, the drawings in the following description are only a part of the embodiments of the present application, and for those skilled in the art, other drawings can be obtained without creative labor on the basis of the provided drawings.
[0021] Figure 1 The drawing is a schematic diagram of the existing thin-walled product provided by the present application;
[0022] Figure 2 The drawing is a schematic diagram of the anti-vibration machining device based on the thin-walled part provided by the present application;
[0023] Figure 3 The drawing is a schematic diagram of the profiling sleeve provided by the present application;
[0024] Figure 4 The drawing is a schematic diagram of the anti-vibration ring provided by the present application;
[0025] Figure 5 The drawing is a schematic diagram of the annular pressing plate provided by the present application.
[0026] Among them:
[0027] 1-thin-walled product; 2-profiling sleeve; 2.1-external thread; 2.2-chuck; 2.3-profiling hole; 3-anti-vibration ring; 4-annular pressing plate; 4.1-internal thread; 4.2-working end face. DETAILED DESCRIPTION
[0028] The technical solutions in the embodiments of the present application will be described clearly and completely in combination with the drawings in the embodiments of the present application. Obviously, the described embodiments are only a part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.
[0029] Referring to the drawings Figure 2 to the drawings Figure 5 The embodiments of the present application disclose an anti-vibration machining device based on a thin-walled part, which is used for machining the inner hole of a thin-walled product 1, and comprises:
[0030] The profiling sleeve 2 has a profiling hole 2.3 for inserting the thin-walled product 1;
[0031] At least two anti-vibration rings 3, the outer circle of the at least two anti-vibration rings 3 is matched with the profiling hole 2.3 of the profiling sleeve 2, the inner circle of the anti-vibration ring 3 is matched with the outer circle of the thin-walled product 1 inserted into the profiling hole 2.3, and the at least two anti-vibration rings 3 are distributed at the front end and the middle rear end of the outer circle of the thin-walled product 1.
[0032] The annular pressing plate 4 is detachably connected with the opening of the profiling hole 2.3 of the profiling sleeve 2, and the working end face 4.2 of the annular pressing plate 4 is in abutment with the end face of the thin-walled product 1.
[0033] In order to further optimize the above technical scheme, the opening outer wall of the profiling hole 2.3 of the profiling sleeve 2 has external threads 2.1, and the annular pressing plate 4 has internal threads 4.1 connected with the external threads 2.1. The external threads 2.1 are matched with the internal threads 4.1 of the annular pressing plate, mainly for positioning and clamping the axial end face of the thin-walled product 1.
[0034] In order to further optimize the above technical scheme, the profiling sleeve 2 has a chuck 2.2 on the outer end face, and the chuck 2.2 of the profiling sleeve is clamped by the machine tool three-jaw chuck for machining.
[0035] In order to further optimize the above technical scheme, the anti-vibration ring 3 is made of fluoroplastic material. When the inner hole of the thin-walled product 1 is machined, the inner hole size is large and the wall is thin, and uneven cutting force is easy to occur. The anti-vibration ring 3 has strong anti-vibration and anti-deformation capabilities, which can avoid the vibration marks and oval phenomenon of the inner hole surface of the thin-walled product 1 due to uneven cutting force.
[0036] In order to further optimize the above technical scheme, the inner hole of the annular pressing plate 4 is used for tool setting to facilitate cutting of the inner hole wall of the thin-walled product 1.
[0037] In the embodiment, the number of anti-vibration rings 3 is two.
[0038] In order to further optimize the above technical scheme, the profiling hole 2.3 has a stepped surface matched with the thin-walled product 1, and the stepped surface limits the axial movement of the thin-walled product 1.
[0039] In order to further optimize the above technical scheme, the two end faces of the thin-walled product 1 are respectively in abutment with the inner bottom surface of the profiling hole 2.3 and the working end face of the annular pressing plate 4.
[0040] The specific implementation process of the embodiment is as follows:
[0041] According to the characteristics and size conditions of the thin-walled product 1, the inner hole of the thin-walled product 1 is left with a margin of 0.8-1mm, and the rest of the size is processed. The two shockproof rings 3 are matched with the outer circle of the thin-walled product 1, and the product is placed in the profiling hole 2.3 of the profiling sleeve 2, wherein the outer circle of the shockproof ring 3 is matched with the inner hole of the profiling sleeve 1, the inner thread 4.1 of the annular pressing plate 4 is matched with the outer thread 2.1 of the profiling sleeve 2, the thin-walled product 1 is positioned and pressed, and the three-jaw chuck of the machine tool clamps the chuck 2.2 of the profiling sleeve 2, as shown in Figure 2 The runout of the inner hole Φ120 of the thin-walled product is not greater than 0.02 by using a dial gauge, the turning tool enters through the inner hole D of the annular pressing plate, and the inner hole of the product is refined. The buffering effect of the shockproof ring 3 in the machining process avoids deformation of the inner hole of the thin-walled part and vibration marks on the inner hole wall, and improves the qualified rate of the part and the production efficiency.
[0042] The utility model mainly solves the problems of oval and vibration marks on the inner hole wall caused by uneven cutting force in the machining of the inner hole of the thin-walled product. A set of shockproof machining device for thin-walled parts is designed, which has strong buffering, shockproof and anti-deformation capabilities, avoids direct matching of the outer circle of the thin-walled product with the outer shape sleeve, and solves the problems of ovality and vibration marks. The qualified rate of the part is controlled, and the method has been successfully tested and can be mass-produced.
[0043] The embodiments in the specification are described in a progressive manner, and each embodiment focuses on the differences from other embodiments. The same or similar parts of each embodiment can be referred to each other. For the device disclosed in the embodiments, since it corresponds to the method disclosed in the embodiments, the description is relatively simple, and the related parts can be referred to the method part.
[0044] The above description of the disclosed embodiments enables a person skilled in the art to implement or use the utility model. Various modifications to the embodiments will be apparent to those skilled in the art, and the general principles defined herein can be implemented in other embodiments without departing from the spirit or scope of the utility model. Therefore, the utility model will not be limited to the embodiments shown herein, but will conform to the widest scope consistent with the principles and novel features disclosed herein.
Claims
1. A device for anti-vibration machining of thin-walled parts based on thin-walled parts, for machining the inner hole of a thin-walled product (1), characterized in that, The application relates to a vibration-proof jig for machining a thin-walled product (1), which comprises: a profiled sleeve (2) with a profiled hole (2.3) for inserting the thin-walled product (1); at least two vibration-proof rings (3), the outer circle of the vibration-proof rings (3) is matched with the profiled hole (2.3) of the profiled sleeve (2), the inner circle of the vibration-proof rings (3) is matched with the outer circle of the thin-walled product (1) inserted into the profiled hole (2.3), and the at least two vibration-proof rings (3) are distributed at the front end and the middle rear end of the outer circle of the thin-walled product (1); a ring-shaped pressing plate (4) which is detachably connected with the opening of the profiled hole (2.3) of the profiled sleeve (2), and the working end face (4.2) of the ring-shaped pressing plate (4) is abutted with the end face of the thin-walled product (1).
2. The device for preventing vibration machining based on thin-walled parts according to claim 1, characterized in that, The opening outer wall of the profiled hole (2.3) of the profiled sleeve (2) is provided with external threads (2.1), and the ring-shaped pressing plate (4) is provided with internal threads (4.1) matched with the external threads (2.1).
3. The device according to claim 1, wherein The profiled sleeve (2) is provided with a chuck (2.2) on the outer end face.
4. The device according to claim 1, wherein The vibration-proof rings (3) are made of fluoroplastic.
5. The device according to claim 1, wherein The inner hole of the ring-shaped pressing plate (4) is used for letting the cutter to conveniently cut the inner hole wall of the thin-walled product (1).
6. The device for preventing vibration machining of thin-walled parts according to claim 1, characterized in that, The number of the vibration-proof rings (3) is two.
7. The device according to claim 1, wherein The profiled hole (2.3) is provided with a stepped surface matched with the thin-walled product (1), and the stepped surface limits the axial movement of the thin-walled product (1).
8. The device according to claim 1, wherein The end faces of the thin-walled product (1) are respectively abutted with the inner bottom face of the profiled hole (2.3) and the working end face of the ring-shaped pressing plate (4).