Tool clamp for shaft part machining
By introducing a turntable and arc-shaped groove structure into the machining fixture for shaft parts, combined with cylinder adjustment, uniform clamping and stable fixation of thin-walled shafts are achieved, solving the problems of cumbersome operation and deformation of existing fixtures, and improving machining efficiency and stability.
Patent Information
- Application Number
- CN202423307948.X
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-31
- Publication Date
- 2026-01-27
- Estimated Expiration
- 2034-12-31
AI Technical Summary
Existing fixtures for machining shaft parts are cumbersome to operate when fixing thin-walled shafts, and can only fix them in two directions, which can easily lead to deformation of the parts.
A tooling fixture was designed, which uses a turntable and an arc groove inside the housing. The turntable drives the connecting rod and the moving rod to move. The elastic abutment rod is used to clamp the inner wall of the shaft evenly. The position of the fixture is adjusted by a cylinder to increase stability.
It achieves uniform clamping of shaft parts, avoids deformation, is easy to operate, and can clamp at the center position inside the shaft, protecting both ends of the shaft and improving processing stability and convenience.
Smart Images
Figure CN223834334U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of parts processing technology, and in particular to a tooling fixture for processing shaft parts. Background Technology
[0002] Shafts are a type of part widely used in industrial production. After long shafts are machined, they generally need to be slotted or drilled on the outer surface, which requires clamping and fixing. For thin-walled shafts, they need to be clamped from the inside. However, existing fixtures mostly use lead screws to move two clamping plates inward and outward for clamping and fixing. The device is relatively cumbersome and can only fix in two directions, which can easily lead to deformation of the parts. Utility Model Content
[0003] The purpose of this utility model is to solve the problems in the prior art by proposing a tooling fixture for machining shaft parts.
[0004] To achieve the above objectives, the present invention adopts the following technical solution:
[0005] A tooling fixture for machining shaft parts includes a frame, on which a housing is movably connected; a turntable is rotatably connected within the housing; the turntable has multiple arc-shaped grooves; the multiple arc-shaped grooves are symmetrically arranged at their centers and inclined from the inside outwards; a connecting rod is connected within each arc-shaped groove; a limiting plate matching the arc-shaped groove is fixedly connected to the lower end of the turntable; the upper end of the limiting plate has a limiting groove communicating with the arc-shaped groove; a moving rod is slidably connected to the limiting groove; the lower end of the connecting rod is fixedly connected to the moving rod; the moving rod moves within the limiting groove via the connecting rod; the outer end of the moving rod passes through the limiting plate and is connected to an abutment rod.
[0006] Preferably, the limiting groove is centrally symmetrical and arranged from the inside to the outside; the multiple moving rods are driven by the connecting rod to move simultaneously inward and outward.
[0007] Preferably, the abutment rod is arc-shaped and has an elastic layer on the outside.
[0008] Preferably, a small motor is connected to the turntable; the small motor is fixedly connected to the housing.
[0009] Preferably, a cylinder is connected to the frame; the output end of the cylinder is fixedly connected to the housing; the housing is moved laterally by the cylinder.
[0010] Preferably, the output end of the cylinder is connected to a connecting plate; a support rod is connected between the connecting plate and the housing.
[0011] Preferably, the lower end of the frame is connected to a base; the base is provided with mounting holes; the frame is fixedly connected to the outside through the base.
[0012] Compared with the prior art, this utility model provides a tooling fixture for machining shaft parts, which has the following advantages:
[0013] This tooling fixture for machining shaft parts features a turntable with an arc-shaped groove inside its housing, and a limiting plate at the lower end of the turntable. During use, simply rotating the turntable causes the inner wall of the arc-shaped groove to press against the connecting rod, moving the connecting rod and the lower moving rod simultaneously inward and outward. The abutment rod connected to the outer side of the moving rod abuts against the inner wall of the shaft, clamping it in place. Multiple abutment rods ensure even force distribution on the inner wall of the shaft, preventing deformation. The fixture's position can be adjusted laterally using a cylinder, allowing it to be moved to the center of the shaft before clamping, increasing stability and protecting both ends of the shaft. The fixture is easy to install and operate. Attached Figure Description
[0014] Figure 1 This is a schematic diagram of the structure of this utility model;
[0015] Figure 2 This is a partial structural schematic diagram of the present invention;
[0016] Figure 3 This is a schematic diagram of the internal structure of the housing of this utility model;
[0017] Figure 4 This is a schematic diagram of the structure of the limiting plate of this utility model.
[0018] In the diagram: 10. Frame; 20. Shell; 21. Turntable; 22. Arc groove; 23. Connecting rod; 24. Moving rod; 25. Abutting rod; 26. Limiting plate; 27. Limiting groove; 28. Small motor; 31. Connecting plate; 32. Cylinder; 33. Support rod; 34. Base; 35. Mounting hole. Detailed Implementation
[0019] The following will refer to Figure 1-4This invention describes a specific implementation of a tooling fixture for machining shaft parts, comprising a frame 10, on which a housing 20 is movably connected; a turntable 21 is rotatably connected within the housing 20; the turntable 21 has multiple arc-shaped grooves 22, and to ensure internal stability, an even number (four or more) can be provided; the multiple arc-shaped grooves 22 are centrally symmetrically arranged and inclined from the inner side to the outer side; a connecting rod 23 is connected within the arc-shaped grooves 22; the turntable 21... A limiting plate 26 matching the arc-shaped groove 22 is fixedly connected to the lower end; a limiting groove 27 communicating with the arc-shaped groove 22 is provided at the upper end of the limiting plate 26; a moving rod 24 is slidably connected to the limiting groove 27; the lower end of the connecting rod 23 is fixedly connected to the moving rod 24; the moving rod 24 moves within the limiting groove 27 driven by the connecting rod 23; one end of the moving rod 24 on the outside passes through the limiting plate 26 and is connected to an abutment rod 25; and the abutment rod 25 is arc-shaped and has an elastic layer on the outside.
[0020] In use, simply rotate the turntable 21, and the inner wall of the arc groove 22 presses against the connecting rod 23, causing the connecting rod 23 and the lower moving rod 24 to move inward and outward simultaneously. The abutment rod 25 connected to the outer side of the moving rod 24 abuts against the inner wall of the shaft body to clamp it.
[0021] The limiting groove 27 is centrally symmetrical and arranged from the inside to the outside; the multiple moving rods 24 are driven by the connecting rod 23 to move simultaneously inward and outward.
[0022] To facilitate the rotation of the turntable 21, a small motor 28 is connected to the turntable 21; and the small motor 28 is fixedly connected to the housing 20.
[0023] A cylinder 32 is connected to the frame 10; the output end of the cylinder 32 is fixedly connected to the housing 20; the housing 20 is moved laterally by the cylinder 32, so that the clamp can be moved to the center position inside the shaft and then clamped when in use, which increases stability and protects both ends of the shaft; and for convenient and stable installation, a connecting plate 31 is connected to the output end of the cylinder 32; a support rod 33 is connected between the connecting plate 31 and the housing 20.
[0024] To facilitate the installation and fixation of the entire fixture, a base 34 is connected to the lower end of the frame 10; the base 34 is provided with mounting holes 35; the frame 10 is fixedly connected to the outside through the base 34.
[0025] The above description is only a preferred embodiment of the present utility model, but the protection scope of the present utility model is not limited thereto. Any equivalent substitutions or changes made by those skilled in the art within the technical scope disclosed in the present utility model, based on the technical solution and the inventive concept of the present utility model, should be included within the protection scope of the present utility model.
Claims
1. A tooling fixture for machining shaft parts, comprising a frame (10), characterized in that, The frame (10) is movably connected to the housing (20); a turntable (21) is rotatably connected inside the housing (20); the turntable (21) is provided with multiple arc-shaped grooves (22); the multiple arc-shaped grooves (22) are symmetrically arranged in the center and are inclined from the inside to the outside; a connecting rod (23) is connected inside the arc-shaped groove (22); a limiting plate (26) matching the arc-shaped groove (22) is fixedly connected to the lower end of the turntable (21); a limiting groove (27) communicating with the arc-shaped groove (22) is provided at the upper end of the limiting plate (26); a moving rod (24) is slidably connected to the limiting groove (27); the lower end of the connecting rod (23) is fixedly connected to the moving rod (24); the moving rod (24) is driven by the connecting rod (23) to move in the limiting groove (27); the outer end of the moving rod (24) passes through the limiting plate (26) and is connected to an abutment rod (25).
2. The tooling fixture for machining shaft parts according to claim 1, characterized in that, The limiting groove (27) is centrally symmetrical and arranged from the inside to the outside; the multiple moving rods (24) are driven to move simultaneously inward and outward through the connecting rod (23).
3. The tooling fixture for machining shaft parts according to claim 1, characterized in that, The abutment rod (25) is arc-shaped and has an elastic layer on the outside.
4. A tooling fixture for machining shaft parts according to claim 1, characterized in that, A small motor (28) is connected to the turntable (21); the small motor (28) is fixedly connected to the housing (20).
5. A tooling fixture for machining shaft parts according to claim 1, characterized in that, A cylinder (32) is connected to the frame (10); the output end of the cylinder (32) is fixedly connected to the housing (20); the housing (20) is driven to move laterally by the cylinder (32).
6. A tooling fixture for machining shaft parts according to claim 5, characterized in that, The output end of the cylinder (32) is connected to a connecting plate (31); a support rod (33) is connected between the connecting plate (31) and the housing (20).
7. A tooling fixture for machining shaft parts according to claim 1, characterized in that, The lower end of the frame (10) is connected to a base (34); the base (34) is provided with mounting holes (35); the frame (10) is fixedly connected to the outside through the base (34).