Device for processing high-precision fluted disc of odometer and application
By designing a simple indexing tool for high-precision tooth disc processing of odometer, the positioning shaft and high-precision indexing holes of the indexing disc realize the positioning and processing of the workpiece, the problem of complex structure and low accuracy of the existing indexing device is solved, and high-precision and low-cost processing effect is achieved.
Patent Information
- Application Number
- CN202411741823.X
- Authority / Receiving Office
- CN · China
- Patent Type
- Applications(China)
- Current Assignee / Owner
- Filing Date
- 2024-11-29
- Publication Date
- 2025-03-21
AI Technical Summary
The existing indexing devices have complex structures, high manufacturing costs, low indexing accuracy and cumbersome operation, making it difficult to meet the needs of high-precision gear plate processing.
A simple indexing tool is designed, including chucks, latches, fixing discs, positioning shafts, indexing discs, turntables, gaskets, nuts, tail top plates and tailstocks, and the positioning and processing of the workpieces are achieved through the high-precision indexing holes of the positioning shafts and indexing discs.
It achieves simple structure, high accuracy, fast indexing adjustment and convenient operation, reduces processing costs, and can complete the machining of high-precision teeth in one clamping.
Smart Images

Figure CN119658464A_ABST
Abstract
Description
Technical Field
[0001] The present invention belongs to the technical field of mechanical processing fixtures and relates to a high-precision indexing device, in particular to a device and application for high-precision gear disc processing of an odometer. Background Art
[0002] Indexing devices are widely used in mechanical processing, manufacturing, installation, and testing. Generally, fixtures and indexing devices are used to clamp the workpiece at one time and perform multi-station processing to improve processing efficiency and quality. However, the existing indexing devices have the following disadvantages: complex structure, high manufacturing cost, low indexing accuracy, and cumbersome operation. Therefore, there is a need for a indexing device with simple structure, easy use, high positioning accuracy, and wide adaptability. Summary of the invention
[0003] The purpose of the present invention is to solve the above problems and provide a simple indexing tool for parts processing, which has a simple structure, high precision, fast and convenient indexing adjustment, and a high-precision indexing device with low processing cost.
[0004] In order to achieve the above object, the technical solution adopted by the present invention is: A simple device for machining a high-precision toothed disc of an odometer, the device comprising, from left to right, a chuck (1), a latch (2), a fixed disc (3), a screw (4), a positioning shaft (5), a dividing disc (6), a rotating disc (7), a gasket (8), a nut (9), a tail top plate (10), a tail stock (11), a tool holder (12), and a connection; wherein the dividing disc and the workpiece are connected by a positioning shaft and are pressed and fixed by a nut, a gasket and a tail top plate; the fixed disc is fixed by a cylindrical boss and a stepped hole on the dividing disc; the fixed disc is pressed against a work table by a chuck; after the above parts are clamped, they are fixed by a tail stock top, and two workpieces can be machined simultaneously.
[0005] The present invention adopts the above technical solution and has the following beneficial effects: 1) According to the structure and high precision of the parts, the processing of uniformly distributed teeth can be completed in one clamping through the high-precision indexing hole indexing on the indexing plate and the positioning axis positioning; 2) This tooling successfully solves the problem of machining high-precision indexing parts on ordinary machine tools; 3) This tooling has a simple structure, low processing cost, and convenient clamping, while being able to ensure product quality. BRIEF DESCRIPTION OF THE DRAWINGS
[0006] Figure 1 This is a schematic diagram of the installation and application of the present invention; Figure 2 It is a schematic diagram of the structure of the indexing plate of the present invention; Figure 3It is a schematic diagram of the structure of the fixed disk of the present invention; Figure 4 This is a schematic diagram of the positioning shaft structure of the present invention; In the figure, 1 is a chuck, 2 is a latch, 3 is a fixed plate, 4 is a screw, 5 is a positioning shaft, 6 is a dividing plate, 7 is a turntable, 8 is a gasket, 9 is a nut, 10 is a tail top plate, 11 is a tail stock, and 12 is a tool handle. DETAILED DESCRIPTION
[0007] The specific implementation of the present invention is described below in conjunction with the accompanying drawings. like Figure 1 As shown, the device comprises a chuck (1), a latch (2), a fixed plate (3), a screw (4), a positioning shaft (5), a dividing plate (6), a rotating plate (7), a gasket (8), a nut (9), a tail top plate (10), a tailstock (11), a tool holder (12), and a connection structure; wherein the dividing plate and the workpiece are connected by a positioning shaft and are pressed and fixed by a nut, a gasket and a tail top plate; the fixed plate is fixed by a cylindrical boss and a stepped hole on the dividing plate; the fixed plate is pressed against the worktable by a chuck; after the above parts are clamped, they are fixed by a tailstock top, indexed by the indexing hole on the dividing plate and fixed by a latch (2), and the processing is completed by a saw blade.
[0008] The method of using the present invention is as follows: The first step is to install the positioning shaft 5 on the indexing plate 6 and fix it with screws 4; The second step is to install the two turntables 7 on the positioning shaft 5 and fix them with gaskets 8 and nuts 9; The third step is to clamp the fixed plate 3 with the chuck 1 and calibrate the center, and then install it on the work surface; The fourth step is to connect the installed indexing plate 6 and turntable 7 to the cylindrical boss on the fixed plate through the step hole on the indexing plate, and firmly install them with the tail top plate 10 and the tailstock 11. The fifth step is to use the indexing hole on the indexing plate to index and the pin 2 to fix, and use the saw blade on the handle 12 to complete the processing.
Claims
1. A device for machining a high-precision toothed disc of an odometer and its application, the device being composed of a chuck (1), a latch (2), a fixing disc (3), a screw (4), a positioning shaft (5), a dividing disc (6), a rotating disc (7), a gasket (8), a nut (9), a tail top plate (10), a tool handle (11), and a tailstock (12) connected in sequence from left to right; wherein: The indexing plate is connected to the workpiece by a positioning shaft and is fixed by nuts, washers and a tail top plate; the fixed plate is positioned, connected and fixed with the step hole on the indexing plate by a cylindrical boss; the fixed plate is pressed against the work table by a chuck; after the above parts are clamped, they are fixed by the tailstock top, indexed by the indexing hole on the indexing plate, fixed by a pin, and the processing is completed by a saw blade on the tool handle.
2. The simple device for machining high-precision toothed discs for odometers according to claim 1, characterized in that: The indexing plate is provided with high-precision indexing holes for indexing.
3. The simple device for machining high-precision toothed discs for odometers according to claim 1, characterized in that: The indexing plate and the fixed plate are connected by a positioning boss, and the other end is clamped and fixed by a chuck.
4. The simple device for machining high-precision toothed discs for odometers according to claim 1, characterized in that: The connection between the positioning shaft and the rotating disk and the dividing disk is achieved by screws and nuts.