Tool for machining end face groove of thin-wall sleeve ring

Abstract

This application relates to a tooling for machining end face grooves on thin-walled bearing rings in the field of bearing processing technology. It includes a hydraulic cylinder base and a tooling body mounted on the hydraulic cylinder base. The tooling body includes a base plate, a support plate, a tie rod, and a pressure plate. The base plate is fixed to the top of the hydraulic cylinder base. The support plate is fixed to the top of the base plate and can position the thin-walled bearing ring. The tie rod is located at the center of the hydraulic cylinder base, with its bottom end connected to the hydraulic cylinder, and its top end passing through the base plate and support plate. The pressure plate is fixed to the top of the tie rod and can press the top surface of the thin-walled bearing ring. This tooling for machining end face grooves on thin-walled bearing rings is designed for thin-walled products, using an end face pressing method to machine the end face groove. It is designed for circumferential positioning, ensuring no deformation during machining. Through the cooperation of a specially designed support plate, tie rod, and pressure plate, it can machine products of different sizes or models, exhibiting strong versatility.

Description

Technical Field

[0001] This utility model relates to the field of bearing processing technology, and in particular to a tooling for processing the end face groove of thin-walled bearing rings. Background Technology

[0002] For some thin-walled synchronizer intermediate ring products, the end face groove was previously machined using an internal support expansion and clamping method, such as... Figure 1 As shown, the product A is positioned and pressed by the inner support D cooperating with the clamping tire C and the pressure plate B.

[0003] However, due to the thin wall of the product, it is easy to be deformed by clamping using the above method. The ovality of the processed product is 0.15mm, and the parallelism difference of the groove bottom is 0.05mm, so its overall quality cannot be guaranteed. Utility Model Content

[0004] The purpose of this application is to provide a tooling that uses end face clamping, which can greatly improve product accuracy and meet the processing requirements of thin-walled ring end face grooves for different models of products.

[0005] To achieve the above objectives, this utility model provides a tooling for processing the end face groove of a thin-walled ferrule, including a hydraulic cylinder base and a tooling body disposed on the hydraulic cylinder base. The tooling body includes a base plate, a support plate, a tie rod, and a pressure plate.

[0006] The base plate is fixed to the top of the hydraulic cylinder base;

[0007] The support plate is fixed to the top of the base plate and can position the thin-walled collar.

[0008] The tie rod is located at the center of the hydraulic cylinder base, with the bottom end of the tie rod connected to the hydraulic cylinder and the top end of the tie rod passing through the base plate and the support plate in sequence.

[0009] The pressure plate is fixed to the top of the tie rod, and the pressure plate can press the top surface of the thin-walled collar tightly.

[0010] To facilitate the disassembly, assembly, and maintenance of the entire tooling, the base plate is detachably connected to the hydraulic cylinder base via bolts.

[0011] To facilitate product positioning and support, multiple support plates are evenly distributed on the top of the base plate, and the support plates are detachably connected to the base plate by bolts.

[0012] Furthermore, in order to position products of different sizes or models, the support plate has three parts arranged in a triangle. Several positioning holes are opened on the support plate along its length, and each positioning hole on the support plate is located on a concentric circle with the same center but different diameters. A positioning post is detachably installed in the positioning hole, and the positioning post extends outside the positioning hole. The same set of positioning posts on the same concentric circle can abut against the outer wall of the thin-walled ring to achieve the positioning of the thin-walled ring.

[0013] To facilitate the assembly and disassembly of the pressure plate, the pressure plate is detachably mounted on the top of the tie rod by bolts.

[0014] In order to facilitate the pressure plate to press the product and reduce the contact area between the pressure plate and the product, the pressure plate includes a fixed part connected to the pull rod, and several extension parts integrally formed with the fixed part and extending horizontally away from the fixed part. There is a gap between two adjacent extension parts, and the end of the extension part away from the fixed part can press the top surface of the thin-walled collar.

[0015] To facilitate the pressure plate in pressing products of different sizes or models, and to facilitate the products passing through the pressure plate and being installed on the support plate, the extension is a triangular structure, and the diameter of the outermost circle of each extension is larger than the diameter of the circle of each set of positioning holes.

[0016] In summary, this utility model has the following beneficial effects:

[0017] (1) The tooling for machining the end face groove of thin-walled rings is designed for thin-walled products. It uses end face clamping to machine the end face groove and is designed for circumferential positioning to meet the advantage of machining without deformation.

[0018] (2) Through the combination of specially designed support plates, tie rods and pressure plates, it is possible to process products of different sizes or models, and it has strong versatility;

[0019] (3) The ellipticity of the processed product is 0.05mm and the parallelism difference of the groove bottom is 0.02mm, resulting in higher product precision. Attached Figure Description

[0020] Figure 1 This is a cross-sectional view of an existing tooling for machining the end face groove of thin-walled ferrules;

[0021] Figure 2 This is a top view of the tooling for machining the end face groove of a thin-walled ferrule according to this utility model;

[0022] Figure 3 This is a cross-sectional view of the tooling for machining the end face groove of the thin-walled ferrule according to this utility model. Detailed Implementation

[0023] The preferred embodiments of the present invention will now be described in detail with reference to the accompanying drawings, so that the advantages and features of the present invention can be more easily understood by those skilled in the art, thereby providing a clearer and more definite definition of the scope of protection of the present invention.

[0024] like Figure 2 , Figure 3 The tooling shown is for machining the end face groove of a thin-walled ring, including a hydraulic cylinder base 2 and a tooling body disposed on the hydraulic cylinder base 2. The tooling body includes a base plate 3, a support plate 4, a tie rod 5 and a pressure plate 6.

[0025] Specifically, the base plate 3 has a disc-shaped structure and is detachably fixed to the top of the hydraulic cylinder base 2 by bolts. The outer circumference of the base plate 3 has a ring of threaded holes, and the center of the base plate 3 has a through hole.

[0026] Specifically, the support plate 4 is detachably fixed to the top of the base plate 3 by bolts. The position of the support plate 4 can be adjusted according to the actual situation. In this embodiment, there are three support plates 4 arranged in a triangle. Several positioning holes are opened on the support plate 4 along its length direction. Each positioning hole on each support plate 4 is located on a concentric circle with the same center but different diameters. A positioning post 7 is detachably installed in the positioning hole. The top of the positioning post 7 extends to the outside of the positioning hole. The same group of positioning posts 7 on the same concentric circle can abut against the outer wall of the thin-walled collar 1 to realize the positioning of the thin-walled collar 1. Therefore, different groups of positioning posts 7 can position thin-walled collars 1 of different sizes or models.

[0027] Specifically, the pull rod 5 is located at the center of the hydraulic cylinder base 2, the bottom end of the pull rod 5 is connected to the hydraulic cylinder, and the top end of the pull rod 5 passes through the base plate 3 and the support plate 4 in sequence. Under the power drive of the hydraulic cylinder, the pull rod 5 can achieve up and down lifting.

[0028] Specifically, the pressure plate 6 is detachably fixed to the top of the pull rod 5 by bolts 8. The pressure plate 6 includes a fixed part connected to the pull rod 5 and three extension parts integrally formed with the fixed part and extending horizontally away from the fixed part. There is a gap between adjacent extension parts. The end of the extension part away from the fixed part can press the top surface of the thin-walled collar 1. The extension part has a triangular structure. The diameter of the circle where the outermost end of each extension part is located is larger than the diameter of the circle where each set of positioning holes is located, so that the pressure plate 6 can press the thin-walled collar 1 of different sizes.

[0029] In use, first, according to the size or model of the thin-walled collar 1, install a set of positioning pins 7 on the support plate 4. Then, place the thin-walled collar 1 on the support plate 4. The outer wall of the thin-walled collar 1 is interference-fitted with each positioning pin 7 to achieve circumferential positioning. Finally, the hydraulic cylinder drives the pressure plate 6 to descend through the pull rod 5, and the pressure plate 6 can press the top surface of the thin-walled collar 1 tightly.

[0030] The above are all preferred embodiments of this application, and are not intended to limit the scope of protection of this application. Therefore, all equivalent changes made in accordance with the structure, shape, principle and application direction of this application should be covered within the scope of protection of this application.

Claims

1. A tool for machining an end face groove of a thin-wall sleeve ring, comprising a hydraulic cylinder base and a tool body arranged on the hydraulic cylinder base, characterized in that: The main body of the tooling includes a base plate, a support plate, a tie rod, and a pressure plate; The base plate is fixed to the top of the hydraulic cylinder base; The support plate is fixed to the top of the base plate and can position the thin-walled collar. The tie rod is located at the center of the hydraulic cylinder base, with the bottom end of the tie rod connected to the hydraulic cylinder and the top end of the tie rod passing through the base plate and the support plate in sequence. The pressure plate is fixed to the top of the tie rod, and the pressure plate can press the top surface of the thin-walled collar tightly.

2. The tooling for machining an end face groove of a thin-wall ferrule according to claim 1, characterized in that: The base plate is detachably connected to the hydraulic cylinder base by bolts.

3. The tooling for machining an end face groove of a thin-wall ferrule according to claim 1, characterized in that: The support plates are multiple and evenly distributed on the top of the base plate. The support plates are detachably connected to the base plate by bolts.

4. The tooling for machining an end face groove of a thin-wall ferrule according to claim 3, characterized in that: The support plate has three parts arranged in a triangle. Several positioning holes are opened on the support plate along its length. Each positioning hole on the support plate is located on a concentric circle with the same center but different diameters. A positioning post is detachably installed in each positioning hole. The positioning post extends outside the positioning hole. The same set of positioning posts on the same concentric circle can abut against the outer wall of the thin-walled ring to achieve positioning of the thin-walled ring.

5. The tooling for machining an end face groove of a thin-wall ferrule according to claim 4, characterized in that: The pressure plate is detachably mounted on the top of the tie rod by bolts.

6. The tooling for machining an end face groove of a thin-wall ferrule according to claim 5, characterized in that: The pressure plate includes a fixed part connected to the pull rod, and several extension parts integrally formed with the fixed part and extending horizontally away from the fixed part. There is a gap between two adjacent extension parts, and the end of the extension part away from the fixed part can press against the top surface of the thin-walled collar.

7. The tooling for machining an end face groove of a thin-wall ferrule according to claim 6, characterized in that: The extension is a triangular structure, and the diameter of the circle at the outermost end of each extension is larger than the diameter of the circle at the location of each set of positioning holes.

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