CN112355891A

CN112355891A - Fixture for gear polishing of speed reducer

Info

Publication number: CN112355891A
Application number: CN202010981221.7A
Authority: CN
Inventors: 吕才友
Original assignee: Anhui Hanshan County Anhui Province In Slowdown Machinery Co ltd
Current assignee: Anhui Hanshan County Anhui Province In Slowdown Machinery Co ltd
Priority date: 2020-09-17
Filing date: 2020-09-17
Publication date: 2021-02-12

Abstract

The invention discloses a tool clamp for polishing a gear of a speed reducer, which comprises a base, wherein a first upright post is arranged on the left side of the upper part of the base, a limiting groove is processed on the vertical surface of the first upright post, a hole is also processed on the vertical surface of the first upright post above the limiting groove, a bearing and a bearing seat are sequentially arranged in the hole from left to right, the rightmost end of the rotating shaft end is connected with a first connecting piece, the clamping plates are fixed at the rightmost end of the first connecting piece, the clamping plates are symmetrically arranged on the right side of the clamping plates, the speed reducer gear is fastened by the left clamping plate and the right clamping plate through bolts and nuts, the right end of the right clamping plate is fixed with the leftmost end of the second connecting piece, the right end of the second connecting piece is arranged on a second upright post, the lower part of the second upright post is symmetrically provided with the limiting grooves, the left limiting groove and the right limiting groove are inserted with positioning plates, a groove is formed in the vertical face of the second upright post, and a rotating handle is installed at the rightmost end of the second connecting piece.

Description

Fixture for gear polishing of speed reducer

Technical Field

The invention relates to the technical field of grinding discs, in particular to a fixture for grinding a gear of a speed reducer.

Background

The speed reducer is an independent component consisting of gear transmission, worm transmission and gear-worm transmission which are enclosed in a rigid shell, is commonly used as a speed reduction transmission device between a prime mover and a working machine, plays a role in matching rotating speed and transmitting torque between the prime mover and the working machine or an actuating mechanism, and is widely applied to modern machinery.

Because of the requirement of assembly precision, a grinding machine is used for grinding the end face of an automobile speed reducer gear, in the prior art, a clamp is used for clamping the speed reducer gear, and then the grinding machine is manually used for grinding, so that the method is extremely low in efficiency and low in precision of the flatness of the end face of the gear.

Disclosure of Invention

In order to solve the problems in the background art, the invention provides a tool clamp for grinding a gear of a speed reducer.

In order to achieve the purpose, the invention provides the following technical scheme:

a tool clamp for polishing a speed reducer gear comprises a base, wherein a first upright is arranged on the left side of the upper portion of the base, a limiting groove is formed in the vertical face of the first upright, a hole is formed in the vertical face of the first upright above the limiting groove, a bearing and a bearing seat are sequentially arranged in the hole from left to right, the bearing seat fixes the bearing in the hole through a fixing bolt and a fixing nut, a rotating shaft end is installed in the bearing through a key and a key groove, the rightmost end of the rotating shaft end is connected with a first connecting piece, a clamping plate is fixed at the rightmost end of the first connecting piece, the clamping plates are symmetrically arranged on the right side of the clamping plate, the left clamping plate and the right clamping plate fasten the speed reducer gear through bolts and nuts, a grinding disc is arranged above the speed reducer gear, a lifting device is arranged above the, the right end of the second connecting piece is installed on a second stand column, the lower portion of the second stand column is symmetrically provided with the limiting grooves, the left limiting groove and the right limiting groove are internally provided with the positioning plates, the vertical face of the second stand column is provided with a groove, and the rightmost end of the second connecting piece is provided with a rotating handle.

As a further scheme of the invention, the clamping plate is a metal plate.

According to a further scheme of the invention, rubber is pasted on the inner side of the clamping plate.

As a further scheme of the invention, the profiled groove is a semicircular counter bore.

As a further proposal of the invention, the length of the rotating handle is equal to the radius of the profiled groove.

Compared with the prior art, the invention has the beneficial effects that:

inserting the positioning plate along the limiting groove, then horizontally placing the speed reducer gear in the left clamping plate and the right clamping plate, clamping the clamping plates, and withdrawing the positioning plate, wherein the upper end surface and the lower end surface of the speed reducer gear are parallel to the positioning plate and the grinding disc, so that the flatness of the upper end surface of the speed reducer gear is ensured in the grinding process, and the precision of the speed reducer gear is effectively guaranteed; after the upper end face is polished, the rotating handle is rotated to the other side, the speed reducer gear is turned over at the moment, the lower end face of the speed reducer gear can be polished continuously, the polishing speed and the polishing precision of the upper end face and the lower end face can be guaranteed simultaneously, and the effect is remarkable.

Drawings

FIG. 1 is a schematic structural diagram of the present invention.

Fig. 2 is a left side view of fig. 1.

Fig. 3 is a right side view of fig. 1.

Fig. 4 is a top view of the splint of the present invention.

Fig. 5 is a schematic structural view of a bearing according to the present invention.

In the figure: 1-base, 2-first upright column, 3-second upright column, 4-limiting groove, 5-locating plate, 6-hole, 7-bearing, 8-bearing seat, 9-fixing bolt, 10-fixing nut, 11-rotating shaft end, 12-key groove, 13-key, 14-first connecting piece, 15-clamping plate, 16-bolt, 17-nut, 18-second connecting piece, 19-shaped groove, 20-rotating handle, 21-speed reducer gear, 22-grinding disc and 23-lifting device.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-5, in the embodiment of the invention, a tooling clamp for grinding a gear of a speed reducer comprises a base 1, wherein a first upright post 2 is arranged on the left side of the upper portion of the base 1, a limit groove 4 is formed in the vertical surface of the first upright post 2, a hole 6 is further formed in the vertical surface of the first upright post 2 above the limit groove 4, a bearing 7 and a bearing seat 8 are sequentially arranged in the hole 6 from left to right, the bearing seat 8 fixes the bearing 7 in the hole 6 through a fixing bolt 9 and a fixing nut 10, a rotating shaft end 11 is installed in the bearing 7 through a key 13 and a key groove 12, the rightmost end of the rotating shaft end 11 is connected with a first connecting piece 14, a clamping plate 15 is fixed at the rightmost end of the first connecting piece 14, the clamping plate 15 is a metal plate, rubber is adhered to the inner side of the clamping plate 15, the clamping plates 15 are symmetrically arranged on, Nut 17 fastens speed reducer gear 21, speed reducer gear 21 top is provided with mill 22, mill 22 top is provided with elevating gear 23, the right side 15 right-hand member of splint is fixed with second connecting piece 18 leftmost end, second connecting piece 18 right-hand member is installed on

second stand

3, 3 lower part symmetries of second stand are opened there are spacing groove 4, control the locating plate 5 has been inserted in the

spacing groove

4, 3 facade processing of second stand have type groove 19, type groove 19 is semi-circular counter bore, turning handle 20 is installed to second connecting piece 18 rightmost end, turning handle 20 length equals type groove 19's radius.

The invention has the working principle that the positioning plate 5 is inserted along the limiting groove 4, then the speed reducer gear 21 is horizontally placed in the left clamping plate 15 and the right clamping plate 15, the clamping plates 15 are clamped, the positioning plate 5 is drawn out, and the upper end surface and the lower end surface of the speed reducer gear 21 are parallel to the positioning plate 5 and the grinding disc 22, so that the planeness of the upper end surface of the speed reducer gear 21 is ensured in the grinding process, and the precision of the speed reducer gear is effectively ensured; after the upper end face is polished, the rotating handle 20 is rotated to the other side, at the moment, the speed reducer gear 21 is turned over, the lower end face of the speed reducer gear 21 can be polished continuously, the polishing speed and the polishing precision of the upper end face and the lower end face can be guaranteed simultaneously, and the effect is remarkable.

It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. A tooling clamp for polishing a gear of a speed reducer comprises a base (1) and is characterized in that a first upright post (2) is arranged on the left side of the upper portion of the base (1), a limiting groove (4) is formed in the vertical face of the first upright post (2) above the limiting groove (4), a hole (6) is further formed in the vertical face of the first upright post (2), a bearing (7) and a bearing seat (8) are sequentially arranged in the hole (6) from left to right, the bearing seat (8) fixes the bearing (7) in the hole (6) through a fixing bolt (9) and a fixing nut (10), a rotating shaft end (11) is installed in the bearing (7) through a key (13) and a key groove (12), the rightmost end of the rotating shaft end (11) is connected with a first connecting piece (14), a clamping plate (15) is fixed to the rightmost end of the first connecting piece (14), and the clamping plate (15) is symmetrically arranged on the right side, control splint (15) are through bolt (16), nut (17) fastening speed reducer gear (21), speed reducer gear (21) top is provided with mill dish (22), mill dish (22) top is provided with elevating gear (23), the right side splint (15) right-hand member is fixed with second connecting piece (18) leftmost end, second connecting piece (18) right-hand member is installed on second stand (3), second stand (3) lower part symmetry is opened has spacing groove (4), controls it has locating plate (5) to insert in spacing groove (4), second stand (3) facade processing has type groove (19), twist grip (20) are installed to second connecting piece (18) rightmost end.

2. The tooling clamp for grinding the speed reducer gear according to claim 1, wherein the clamping plate (15) is a metal plate.

3. The tooling clamp for grinding the speed reducer gear according to claim 1, wherein rubber is attached to the inner side of the clamping plate (15).

4. The tool clamp for grinding the gear of the speed reducer according to claim 1, wherein the groove (19) is a semicircular counter bore.

5. The tooling clamp for grinding the gear of the speed reducer according to claim 1, wherein the length of the rotating handle (20) is equal to the radius of the groove (19).