Precise size control device for finish turning appearance machining deformation of thin-wall end socket
By coordinating the specific grooved centering part and hollow conical shaft, combined with the design of the spring and locking screw sleeve, the problem of excessive dimensions and deformation of thin-walled head parts in finishing is solved, precise positioning and reliable clamping are achieved, and processing accuracy and efficiency are improved.
Patent Information
- Application Number
- CN202422692138.4
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-11-05
- Publication Date
- 2025-08-22
- Estimated Expiration
- 2034-11-05
AI Technical Summary
During the finishing process, thin-walled head parts have excessive dimensions and severe deformation due to improper positioning and clamping, which is difficult to meet the accuracy requirements.
The clamping is used with grooved centering part and hollow conical shaft to adjust the centering part size through adjustment screws, and a reliable clamping force is provided by using a spring and locking screw sleeve. Combined with the limit rod and protective cover design, it ensures accurate positioning and reliable clamping of the head parts.
It realizes precise positioning and reliable clamping of head parts, reduces deformation during processing, improves machining accuracy and efficiency, and enhances the adaptability and safety of the device.
Smart Images

Figure CN223250578U_ABST
Abstract
Description
Technical Field
[0001] The utility model belongs to the field of clamping and positioning tooling, in particular to a device for controlling the precise size of deformation during fine turning of a thin-walled head. Background Art
[0002] Thin-walled end caps often serve as connectors, seals, and positioning components in circular rotatable parts. Some of these features require very strict angular and linear dimensions, with tolerances within ±0.03mm and ±5'. During the finishing process, uneven part features, material stress release, and improper positioning and clamping can easily lead to dimensional deviations, severe product deformation, and ultimately, product failure. Therefore, strict control of product positioning and clamping is crucial during the machining process to prevent these deviations. Utility Model Content
[0003] The utility model aims to provide a device for controlling the deformation of the shape during fine turning of a thin-walled head, so as to solve the problem of excessive size during head processing.
[0004] In order to solve the above problems, the utility model discloses a device for precise size control of deformation of fine turning of thin-walled head, comprising a clamping body, a mounting hole is provided on the clamping body, a grooved centering portion is provided outside the mounting hole, a hollow conical shaft is provided in the mounting hole, an adjusting screw is provided in the hollow conical shaft, one end of the adjusting screw is engaged with the thread of the mounting hole, and the position of the hollow conical shaft is changed by adjusting the position of the adjusting screw, thereby changing the size of the grooved centering portion; a locking screw sleeve is slidably provided on the clamping body, a tension spring is provided between the locking screw sleeve and the clamping body, and a locking nut is engaged with the outer thread of the locking screw sleeve.
[0005] As a further improvement of the above technical solution:
[0006] A compression spring is installed in the clamp body, and one end of the compression spring is connected to the expansion spring.
[0007] A limiting rod is provided on the clamp body, and the limiting rod is provided below the locking nut.
[0008] A protective cover is installed on the outside of the locking nut through a fixing screw, and the protective cover extends to the bottom of the limiting rod.
[0009] A handle is provided outside the locking nut.
[0010] Compared with the prior art, the beneficial effects of the present invention are:
[0011] Precise positioning: Through the cooperation of the grooved centering part and the hollow tapered shaft, as well as the fine adjustment of the adjusting screw, the head parts can be accurately centered, ensuring that the end face of the head and the positioning surface of the clamp are closely fitted during the processing, thereby ensuring the accuracy of the processing dimensions.
[0012] Reliable clamping: The axial movement of the expansion spring and the extrusion of the locking screw sleeve can provide reliable clamping force for the head parts, preventing the parts from moving or deforming due to loose clamping during processing.
[0013] Strong adaptability: By adjusting the position of the screw, the position of the hollow cone shaft can be changed to adapt to head parts of different sizes, thereby improving the versatility and applicability of the device.
[0014] High safety: The design of the limit rod and protective cover can prevent the locking nut and the limit rod from accidentally falling out during operation, thereby improving the safety of operation.
[0015] Improve efficiency: Through precise positioning and reliable clamping, the adjustment time during the processing can be reduced and the processing efficiency can be improved.
[0016] Reduce deformation: Through the cooperation of the hollow tapered shaft and the grooved centering part, the deformation of the head parts during the processing can be reduced, ensuring the processing quality.
[0017] Strong adaptability: The device can adapt to different processing environments and machine tool types, which increases its application range.
[0018] In summary, the thin-walled head finishing deformation precision dimensional control device of the present invention improves the simplicity and safety of operation while ensuring the processing dimensional accuracy, and has broad application prospects and practical value. BRIEF DESCRIPTION OF THE DRAWINGS
[0019] Figure 1 This is a schematic diagram of the overall structure of the utility model;
[0020] Figure 2 This is a schematic diagram of the structure of the clamp of the utility model;
[0021] Figure 3 This is a schematic diagram of the structure of the hollow tapered shaft of the utility model;
[0022] Figure 4 This is a schematic diagram of the structure of the locking nut of the utility model;
[0023] Figure 5 This is a schematic diagram of the structure of the locking screw sleeve of the utility model;
[0024] Figure 6 This is a schematic diagram of the expansion spring structure of the utility model.
[0025] Figure numerals: 1. Clamp body; 10. Protective cover; 11. Fixing screw; 12. Head; 13. Centering part with groove; 2. Adjusting screw; 3. Hollow tapered shaft; 4. Locking nut; 5. Locking screw sleeve; 6. Tension spring; 7. Compression spring; 8. Handle; 9. Limit rod; 111. Mounting hole. DETAILED DESCRIPTION
[0026] 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.
[0027] In the description of this utility model, it should be noted that the terms "upper," "lower," "inner," "outer," "front end," "rear end," "both ends," "one end," "the other end," and the like, indicating orientations or positional relationships, are based on the orientations or positional relationships shown in the accompanying drawings and are intended solely to facilitate the description of this utility model and simplify the description. They are not intended to indicate or imply that the devices or components referred to must have a specific orientation, be constructed, or operate in a specific orientation. Therefore, they should not be construed as limitations on this utility model. Furthermore, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance.
[0028] In the description of this utility model, it should be noted that, unless otherwise expressly specified or limited, the terms "installed," "provided with," "connected," etc. should be understood in a broad sense. For example, "connected" can mean a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, or it can be internal communication between two components. Those skilled in the art will be able to understand the specific meanings of the above terms in this utility model based on the specific circumstances.
[0029] The following will be combined with the accompanying drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.
[0030] like Figures 1 to 6As shown, the device for controlling the deformation of the fine turning shape of a thin-walled head in this embodiment comprises a clamping body 1, a mounting hole 111 is provided on the clamping body 1, a grooved centering portion 13 is provided outside the mounting hole 111, a hollow tapered shaft 3 is provided in the mounting hole 111, an adjusting screw 2 is provided in the hollow tapered shaft 3, one end of the adjusting screw 2 is threadedly engaged with the mounting hole 111, and the position of the hollow tapered shaft 3 is changed by adjusting the position of the adjusting screw 2, thereby changing the size of the grooved centering portion 13; a locking screw sleeve 5 is slidingly provided on the clamping body 1, a tension spring 6 is provided between the locking screw sleeve 5 and the clamping body 1, and a locking nut 4 is engaged with the outer thread of the locking screw sleeve 5.
[0031] A compression spring 7 is installed in the clamp body 1 , and one end of the compression spring 7 is connected to the tension spring 6 .
[0032] A limiting rod 9 is provided on the clamp body 1 and is provided below the locking nut 4. The limiting rod 9 is used to limit the locking nut 4.
[0033] A protective cover 10 is mounted on the outside of the locking nut 4 by means of a fixing screw 11, and the protective cover 10 extends below the limiting rod 9. The protective cover 10 is used to prevent the limiting rod 9 from falling out.
[0034] A handle 8 is provided on the outside of the locking nut 4 .
[0035] When in use, the assembled assembly is loaded into the machine tool and fixed against the Morse No. 6 taper handle of the clamp body 1, the head 12 is buckled on the tension spring 6 and the hollow tapered shaft 3, the handle 8 is inserted into the hole of the lock nut 4, the handle 8 is turned to drive the lock nut 4 to rotate, and the tension spring 6 is driven to move axially through the cooperation of the lock nut 4 thread and the lock screw sleeve 5 thread. At the same time, an axial force is applied to the head 12 to make its end face close to the clamp body to achieve end face positioning, and slightly tighten it to make the surface of the tension spring 6 fit with the inner surface of the head 12 to achieve preliminary centering. The tension spring 6 is deformed by the extrusion of the clamp body 1 of the lock screw sleeve 5 to achieve support. Then use the inner hexagonal wrench to rotate the adjusting screw 2 to drive the hollow tapered shaft 3 to move axially, so that the surface of the hollow tapered shaft 3 fits with the inner surface of the head 12 to achieve final centering. Here, the hollow tapered shaft 3 squeezes the grooved centering part 13, so that the grooved centering part 13 separates and contacts the head 12. After ensuring that the end face of the head 12 is in close contact with the positioning surface of the clamping body, tighten the adjusting screw 2 and the locking nut 4 respectively to complete the positioning and clamping of the head parts.
[0036] The thin-walled head fine turning shape processing deformation precision size control device of the utility model can easily realize the accurate positioning and reliable clamping of the head part on the machine tool, and ensure that its processing size meets the requirements.
[0037] 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 device for controlling the deformation of the thin-walled head during finishing machining, characterized in that: The invention comprises a clamp body (1), wherein a mounting hole (111) is provided on the clamp body (1), a grooved centering portion (13) is provided outside the mounting hole (111), a hollow tapered shaft (3) is provided inside the mounting hole (111), an adjusting screw (2) is provided inside the hollow tapered shaft (3), one end of the adjusting screw (2) is threadedly engaged with the mounting hole (111), and by adjusting the position of the adjusting screw (2), the position of the hollow tapered shaft (3) is changed, thereby changing the size of the grooved centering portion (13); a locking screw sleeve (5) is slidably provided on the clamp body (1), a tension spring (6) is provided between the locking screw sleeve (5) and the clamp body (1), and the outer thread of the locking screw sleeve (5) is engaged with a locking nut (4).
2. The device for controlling the deformation of the thin-walled head during finishing machining according to claim 1 is characterized in that: A compression spring (7) is installed in the clamp body (1), and one end of the compression spring (7) is connected to the tension spring (6).
3. The device for controlling the deformation of the thin-walled head during finishing machining according to claim 2 is characterized in that: A limiting rod (9) is provided on the clamp body (1), and the limiting rod (9) is provided below the locking nut (4).
4. The device for controlling the deformation of the thin-walled head during finishing machining according to claim 3 is characterized in that: A protective cover (10) is mounted on the outside of the locking nut (4) via a fixing screw (11), and the protective cover (10) extends to below the limiting rod (9).
5. The device for controlling the deformation of the thin-walled head during finishing machining according to claim 4 is characterized in that: A handle (8) is provided outside the locking nut (4).