Pressing mechanism for finish turning gear ring
Through the design of the floating clamping mechanism of the center-aligning roller bearing and the compression mechanism, the problem of easy deformation of the ring gear ring during the precision cargo is solved, and the processing accuracy and efficiency are improved.
Patent Information
- Application Number
- CN202420187326.9
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-01-26
- Publication Date
- 2025-01-17
- Estimated Expiration
- 2034-01-26
AI Technical Summary
The ring gear is easily deformed during clamping during precision turning, resulting in low processing accuracy and low production efficiency.
The floating clamping mechanism of the center-aligning roller bearing is adopted. Through the combination of Mohs mandrel, center-aligning roller bearing, nut and pressure gland, the workpiece is automatically clamped by the machine tool tail seat, combined with the design of small washer and large washer to achieve pressure. Stability and flexibility of tight mechanisms.
Improve processing accuracy and production efficiency, convenient and quick replacement of workpieces, and improve processing accuracy and efficiency.
Smart Images

Figure CN222359689U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of gear processing. Background Art
[0002] The gear ring is a key part of the wheel rim of an automobile. The gear ring is a thin-walled part, and the workpiece is usually clamped by end face clamping. It is easy to deform during fine turning, resulting in low machining accuracy and low production efficiency. Utility Model Content
[0003] In order to solve the problem of clamping a precision-turned gear ring, the utility model provides a precision-turned gear ring clamping mechanism.
[0004] The technical solution adopted by the utility model to achieve the above-mentioned purpose is: a precision-turned gear ring clamping mechanism, a large washer 3 is mounted on the Morse spindle 5, a spherical roller bearing 6 is mounted on the Morse spindle 5 in front of the large washer 3, a nut 8 is installed on the Morse spindle 5 in front of the spherical roller bearing 6, a pressure cover 2 is installed on the outer side of the spherical roller bearing 6, and the pressure cover 2 is fixed to the large washer 3 by screws 4.
[0005] A small washer 7 is installed on the Morse spindle 5 between the nut 8 and the spherical roller bearing 6 .
[0006] A boss 9 is provided at the edge of the pressure cover 2 and contacts the end surface of the workpiece 1 .
[0007] The precision turning gear ring clamping mechanism of the utility model adopts a self-aligning roller bearing floating clamping and utilizes the tailstock of the machine tool to automatically clamp the workpiece, so the workpiece can be replaced conveniently and quickly with high machining accuracy and efficiency. BRIEF DESCRIPTION OF THE DRAWINGS
[0008] Figure 1 It is a front sectional view of the precision-turned gear ring clamping mechanism of the utility model.
[0009] In the figure: 1. workpiece, 2. pressure cover, 3. large washer, 4. screw, 5. Morse spindle, 6. spherical roller bearing, 7. small washer, 8. nut. DETAILED DESCRIPTION
[0010] The precision turning gear ring pressing mechanism of the utility model is as follows Figure 1 As shown, a large washer 3 is mounted on the Morse spindle 5, a spherical roller bearing 6 is mounted on the Morse spindle 5 in front of the large washer 3, a nut 8 is installed on the Morse spindle 5 in front of the spherical roller bearing 6, a small washer 7 is installed on the Morse spindle 5 between the nut 8 and the spherical roller bearing 6, a pressure cover 2 is installed on the outside of the spherical roller bearing 6, the pressure cover 2 is fixed to the large washer 3 by screws 4, and a boss 9 is provided at the edge of the pressure cover 2 for contacting the end face of the workpiece 1.
[0011] When in use, put the large washer 3 on the Morse spindle 5, install the spherical roller bearing 6 on the Morse spindle 5, put on the small washer 7, tighten the hexagonal nut 8, put the pressure cover 2 on the outer ring of the spherical roller bearing 6, and fix it on the large washer 3 through the hexagon socket head screw. After the clamping mechanism is assembled, insert the tapered shaft of the Morse spindle 5 into the Morse tapered hole of the lathe tailstock.
[0012] During operation, the clamping mechanism is installed on the tailstock of the lathe, workpiece 1 is installed, the machine tool is started to move the tailstock of the machine tool, the boss 9 on the edge of the pressure cover 2 clamps the workpiece 1, and the outer circle of the workpiece is precision-turned. After the workpiece is processed, the tailstock of the machine tool is moved again, workpiece 1 is removed, and another workpiece is installed to proceed with the processing of the next piece.
Claims
1. The precision turning gear ring clamping mechanism is characterized by: A large washer (3) is mounted on the Morse spindle (5), a spherical roller bearing (6) is mounted on the Morse spindle (5) in front of the large washer (3), a nut (8) is mounted on the Morse spindle (5) in front of the spherical roller bearing (6), a pressure cover (2) is mounted on the outer side of the spherical roller bearing (6), and the pressure cover (2) is fixed to the large washer (3) by means of screws (4).
2. The precision turning gear ring clamping mechanism according to claim 1, characterized in that: A small washer (7) is installed on the Morse spindle (5) between the nut (8) and the spherical roller bearing (6).
3. The precision turning gear ring clamping mechanism according to claim 1, characterized in that: A boss (9) which contacts the end surface of the workpiece (1) is provided at the edge of the pressure cover (2).