CN216227359U

CN216227359U - Overrunning clutch star tooth horizontal surface grinding tool

Info

Publication number: CN216227359U
Application number: CN202122929673.3U
Authority: CN
Inventors: 王振峰; 陈怀信; 陈萌萌
Original assignee: Liaocheng Dongchangfu Ruizhi Machinery Co ltd
Current assignee: Liaocheng Dongchangfu Ruizhi Machinery Co ltd
Priority date: 2021-11-26
Filing date: 2021-11-26
Publication date: 2022-04-08
Anticipated expiration: 2031-11-26

Abstract

The utility model belongs to the technical field of overrunning clutch production equipment, and provides a grinding tool for a star gear horizontal plane of an overrunning clutch, which comprises a tool shaft, wherein two axial key bodies used for being matched with a star gear workpiece are symmetrically arranged on the side surface of the tool shaft, clamping column heads are arranged at two ends of the tool shaft, the diameter of each clamping column head is smaller than that of the tool shaft, a gear die is arranged on the tool shaft close to one end of the tool shaft, an annular groove is arranged at the other end of the tool shaft, a blocking piece is rotatably arranged in the annular groove and comprises a ferrule in threaded connection with the annular groove, a baffle is arranged on the side surface of the ferrule, an axial compensation piece is arranged on one side of the baffle, and the part, positioned between the axial compensation piece and the gear die, of the tool shaft is used for mounting the star gear workpiece. The device has the advantages of reasonable design, simple structure and high grinding efficiency, is favorable for reducing the production cost and improving the production efficiency, and is suitable for large-scale popularization.

Description

Overrunning clutch star tooth horizontal surface grinding tool

Technical Field

The utility model belongs to the technical field of overrunning clutch production equipment, and relates to a grinding tool for a star gear horizontal plane of an overrunning clutch.

Background

The overrunning clutch is a basic component which appears along with the development of mechatronics products, and is an important part for power transmission and separation functions between a prime mover and a working machine or between a driving shaft and a driven shaft in the machine. It is a device with self-clutch function by using speed change of driving and driven parts or change of rotation direction. The overrunning clutch consists of a star body, an outer ring, a roller, a spring and the like, and can convert high-rotating-speed low-torque into low-rotating-speed high-torque by driving an outer-edge gear ring through a pinion. When the star body rotates clockwise relative to the outer ring, the clutch is in a combined state, the star body drives the outer ring to rotate, and the clutch is in an overrunning state under the condition, so that power is disengaged from transmission. In the process of machining the overrunning clutch star body, the star body teeth need to be further ground after being milled, so that on one hand, the matching efficiency of the tooth pair is improved, and on the other hand, the star body teeth are beneficial to ensuring to have longer service life.

Due to the shape particularity of the star teeth, most of the tooth surface grinding processing operation is finished by manually controlling the grinding machine, and the processing quality excessively depends on the proficiency of workers under many conditions, so that the production cost is increased, and the production efficiency is difficult to greatly improve.

SUMMERY OF THE UTILITY MODEL

Aiming at the technical problems of the star tooth in the aspect of tooth surface grinding treatment, the utility model provides the overrunning clutch star tooth horizontal surface grinding tool which is reasonable in design, simple in structure, high in grinding efficiency and beneficial to reducing the production cost and improving the production efficiency.

In order to achieve the purpose, the technical scheme includes that the overrunning clutch star tooth horizontal plane grinding tool comprises a tool shaft, two axial key bodies used for being matched with a star tooth workpiece are symmetrically arranged on the side face of the tool shaft, clamping column heads are arranged at two ends of the tool shaft, the diameter of each clamping column head is smaller than that of the tool shaft, a tooth die is arranged on the position, close to one end of the tool shaft, an annular groove is formed in the other end of the tool shaft, a stopper is rotatably arranged in the annular groove and comprises a ferrule in threaded connection with the annular groove, a baffle is arranged on the side face of the ferrule, an axial compensation piece is arranged on one side of the baffle, and the part, located between the axial compensation piece and the tooth die, of the tool shaft is used for mounting the star tooth workpiece.

Preferably, the outer edge of the baffle is provided with a plurality of flower grooves which are uniformly distributed, and one side of the baffle, which is far away from the tooth die, is provided with a plurality of hexagonal blind holes.

Preferably, the axial compensation piece comprises a compensation ring, and a key groove matched with the axial key body is arranged on the inner wall of the compensation ring.

Preferably, a gasket groove is formed in one side, facing the baffle, of the compensation ring, and a spring gasket is arranged in the gasket groove.

Compared with the prior art, the utility model has the advantages and positive effects that:

1. according to the overrunning clutch star tooth horizontal plane grinding tool, a fixed number of star tooth workpieces can be clamped between the tooth die and the stopper by the tool shaft, the axial compensation part can effectively improve the stability of all star tooth workpieces, a cutter of grinding equipment can grind all the star tooth workpieces along the length direction of the tool shaft by taking the tooth crest plane of the tooth die as a reference, and the tool shaft can be rotated to grind a plurality of tooth positions one by one. The device has the advantages of reasonable design, simple structure and high grinding efficiency, is favorable for reducing the production cost and improving the production efficiency, and is suitable for large-scale popularization.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings needed to be used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on the drawings without creative efforts.

FIG. 1 is an isometric view of an overrunning clutch star tooth horizontal surface grinding tool provided by an embodiment;

FIG. 2 is an isometric view of a stop and axial compensator provided by an embodiment;

FIG. 3 is a cross-sectional view of an overrunning clutch star tooth horizontal surface grinding tool provided by an embodiment;

FIG. 4 is an enlarged schematic view of the structure A in FIG. 3 according to an exemplary embodiment;

in the above figures, 1, a tool shaft; 11. an axial key body; 12. clamping the column head; 13. an annular groove; 2. a tooth die; 3. a stopper; 31. a ferrule; 32. a baffle plate; 33. a flower trough; 34. a hexagonal blind hole; 4. an axial compensator; 41. a compensation ring; 42. a keyway; 43. a gasket groove; 5. a spring pad; 6. star tooth work piece.

Detailed Description

In order that the above objects, features and advantages of the present invention can be more clearly understood, the present invention will be further described with reference to the accompanying drawings and examples. It should be noted that the embodiments and features of the embodiments of the present application may be combined with each other without conflict. For convenience of description, the words "upper", "lower", "left" and "right" used herein refer to the same directions as the drawings, and do not limit the structure.

In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention, however, the present invention may be practiced in other ways than those specifically described herein, and thus the present invention is not limited to the specific embodiments of the present disclosure.

In an embodiment, as shown in fig. 1, fig. 2, fig. 3 and fig. 4, the overrunning clutch star tooth horizontal plane grinding tool provided by the utility model comprises a tool shaft 1, two axial key bodies 11 for matching with a star tooth workpiece 6 are symmetrically arranged on the side surface of the tool shaft 1, clamping column heads 12 are arranged at two ends of the tool shaft 1, the diameter of the clamping column heads 12 is smaller than that of the tool shaft 1, a tooth die 2 is arranged on the tool shaft 1 near one end of the tool shaft, an annular groove 13 is arranged at the other end of the tool shaft 1, a stopper 3 is rotatably arranged in the annular groove 13, the stopper 3 comprises a ferrule 31 in threaded connection with the annular groove 13, a baffle 32 is arranged on the side surface of the ferrule 31, an axial compensation piece 4 is arranged on one side of the baffle 32, and a part of the tool shaft 1 between the axial compensation piece 4 and the tooth die 2 is used for mounting the star tooth workpiece 6. Wherein the tooth form 2 is a standard part, the tooth crest plane of which provides a better reference for the star tooth workpiece 6, and starting from the star tooth workpiece 6 closest to the tooth form 2, the subsequent workpieces are referenced to the previous one.

Specifically, the tooling shaft 1 in the utility model can be sleeved with a fixed number of star tooth workpieces 6, the tooth die side is a fixed end, the stopper side is a movable end, all the star tooth workpieces 6 are sleeved between the tooth die 2 and the stopper 3 and then the stopper 3 is locked, and the axial compensation part 4 can effectively improve the stability of all the star tooth workpieces 6 on the tooling shaft 1; the holding column head 12 is used to connect with the chuck structure of the grinding device, so that the cutter of the grinding device can grind all the star-tooth workpieces 6 along the length direction of the tool shaft 1 by taking the tooth crest plane of the tooth die 2 as a reference, and the tool shaft 1 can be rotated to grind a plurality of tooth positions one by one. The tool has the advantages of reasonable design, simple structure and high grinding efficiency, and is favorable for reducing the production cost and improving the production efficiency.

In order to facilitate the assembly of the stopper 3, the utility model is provided with a plurality of flower grooves 33 which are uniformly distributed on the outer edge of the baffle 32, and one side of the baffle 32, which is far away from the tooth die 2, is provided with a plurality of hexagonal blind holes 34; the baffle 32 can be rotated and finely adjusted by matching the handheld hexagonal tool with the hexagonal blind hole 34 so as to achieve the purpose of locking or loosening, and the design of the flower groove 33 facilitates the handheld baffle 32 to carry out coarse adjustment on the blocking part 3 by quick rotation, so that the assembly efficiency is improved, and the efficiency of the whole grinding operation is also improved.

In order to improve the utilization rate of the axial compensator 4, the axial compensator 4 provided by the utility model comprises a compensating ring 41, and the inner wall of the compensating ring 41 is provided with a key groove 42 matched with the axial key body 11. The axial compensation piece 4 can be matched with the tool shaft 1 through the key groove 42, and the compensation ring 41 can be directly contacted with the star-tooth workpiece 6, so that the compression performance of the axial compensation piece 4 and the blocking piece 3 on the star-tooth workpiece 6 is improved, a certain moving allowance is provided for a grinding tool, and the abrasion of the tool on other workpieces except the star-tooth workpiece 6 is reduced.

Furthermore, according to the utility model, the side of the compensating ring 41 facing the baffle 32 is provided with the gasket groove 43, and the spring pad 5 is arranged in the gasket groove 43, so that the stability of the star-tooth workpiece 6 is fully improved, and the tooth position error of part of the star-tooth workpiece 6 is reduced.

The above description is only a preferred embodiment of the present invention, and not intended to limit the present invention in other forms, and any person skilled in the art may apply the above modifications or changes to the equivalent embodiments with equivalent changes, without departing from the technical spirit of the present invention, and any simple modification, equivalent change and change made to the above embodiments according to the technical spirit of the present invention still belong to the protection scope of the technical spirit of the present invention.

Claims

1. The tooling shaft is provided with two axial key bodies which are used for being matched with a star tooth workpiece symmetrically on the side face, clamping column heads are arranged at two ends of the tooling shaft, the diameter of each clamping column head is smaller than that of the tooling shaft, a tooth die is arranged at a position, close to one end of the tooling shaft, an annular groove is formed in the other end of the tooling shaft, a blocking piece is arranged in the annular groove in a rotating mode and comprises a ferrule in threaded connection with the annular groove, a baffle is arranged on the side face of the ferrule, an axial compensation piece is arranged on one side of the baffle, and a part, located between the axial compensation piece and the tooth die, of the tooling shaft is used for mounting the star tooth workpiece.

2. The overrunning clutch star tooth horizontal surface grinding tool according to claim 1, wherein a plurality of uniformly distributed flower grooves are formed in the outer edge of the baffle, and a plurality of hexagonal blind holes are formed in one side, away from the tooth die, of the baffle.

3. The overrunning clutch star tooth horizontal surface grinding tool according to claim 2, wherein the axial compensation piece comprises a compensation ring, and a key groove matched with the axial key body is formed in the inner wall of the compensation ring.

4. The overrunning clutch star tooth horizontal surface grinding tool according to claim 3, wherein a gasket groove is formed in one side, facing the baffle, of the compensation ring, and a spring pad is arranged in the gasket groove.