CN209969784U

CN209969784U - Grinding device for gear

Info

Publication number: CN209969784U
Application number: CN201920816032.7U
Authority: CN
Inventors: 李秦; 吴锁平; 常俊
Original assignee: Jiangsu Planetary Heavy Duty Gearbox Co Ltd
Current assignee: Jiangsu Planetary Heavy Duty Gearbox Co Ltd
Priority date: 2019-06-01
Filing date: 2019-06-01
Publication date: 2020-01-21
Anticipated expiration: 2029-06-01

Abstract

The utility model discloses a gear polishing device, which belongs to the technical field of gear processing, and comprises a polishing device body, wherein the outer end of the polishing device body is connected with a rotary disk, the outer end of the rotary disk is connected with a plurality of polishing heads, each polishing head comprises a driving motor, the driving motor is connected with the rotary disk, the output end of the driving motor is fixedly connected with a rotary rod, the left side of the driving motor is provided with a connecting block, a convex groove is chiseled in the connecting block, one end of the rotary rod, which is far away from the driving motor, is positioned in the convex groove and is in sliding connection with the convex groove, the outer end of the rotary rod is fixedly connected with a plurality of supporting blocks, a telescopic rod is fixedly connected between the supporting blocks, the outer end of the telescopic rod is sleeved with a compression spring, the left end and the right end of the compression spring, further improve the efficiency of polishing.

Description

Grinding device for gear

Technical Field

The utility model relates to a gear machining technical field, more specifically say, relate to a grinding device of gear.

Background

Anhui province company discloses a tooth surface grinding mechanism of a gear with the patent number CN207386731U, and the tooth surface grinding mechanism of the gear comprises a gear, the gear is provided with even teeth, one side of the gear is provided with a grinding device for fine grinding of the tooth surface, the grinding device comprises a grinding head and a rotating disc, the grinding head is divided into a plurality of groups which are evenly arranged in a circle of the rotating disc, a connecting block of the grinding head is connected with a driving motor through a rotating rod, the grinding head is in contact connection with the side surface of the teeth, a connecting hole at the center of the rotating disc is connected with a connecting rod of a precession motor, automatic circulation and one-line grinding are realized, the grinding efficiency is improved, the manual operation is reduced, meanwhile, the grinding head with the adjustable angle can effectively adapt to tooth gaps according to the size of the tooth gaps, the grinding tool is increased to deeply grind, the polishing quality is improved, and the polishing cost is reduced.

Mention in the above-mentioned patent that the polishing head that adopts adjustable angle can effectually adapt to the tooth clearance according to the size in tooth clearance, increase polishing knife and go deep into and polish, through the tight shell fragment in top that sets up between two polishing pieces, can realize the regulation of angle between two polishing pieces, but the area of polishing can only be adjusted in the angle change between two polishing pieces, after the piece of polishing uses for a long time, the piece of polishing is easy to be worn and torn, the piece of polishing can and the tooth's socket produce the distance this moment between, thereby it is thorough inadequately to polish of tooth's socket.

SUMMERY OF THE UTILITY MODEL

1. Technical problem to be solved

To the problem that exists among the prior art, the utility model aims to provide a grinding device of gear, it can realize using after being worn and torn for a long time when the piece of polishing, makes the difficult emergence of distance between piece and the tooth's socket of polishing change, further improves the efficiency of polishing.

2. Technical scheme

In order to solve the above problems, the utility model adopts the following technical proposal.

A polishing device for gears comprises a polishing device body, wherein the outer end of the polishing device body is connected with a rotating disc, the outer end of the rotating disc is connected with a plurality of polishing heads, each polishing head comprises a driving motor, the driving motor is connected with the rotating disc, the output end of the driving motor is fixedly connected with a rotating rod, a connecting block is arranged on the left side of the driving motor, a convex groove is formed in the connecting block, one end, away from the driving motor, of the rotating rod is located in the convex groove and is in sliding connection with the convex groove, the outer end of the rotating rod is fixedly connected with a plurality of supporting blocks, a telescopic rod is fixedly connected between each supporting block and the corresponding connecting block, a compression spring is sleeved at the outer end of the telescopic rod, the left end and the right end of the compression spring are respectively in contact with the, can realize using the long-time back that is worn and torn when the piece of polishing, make the difficult emergence of distance between piece of polishing and the tooth's socket change, further improve the efficiency of polishing.

Further, the stopper of two symmetries of rotary rod outer end fixedly connected with, the stopper is located the convex groove and contacts with the convex groove inner wall, carries on spacingly to the rotary rod through the stopper, and after the polishing piece was worn and torn by the gear, the rotary rod can move right at the convex groove under compression spring's spring action, and the setting of stopper makes the rotary rod be difficult for the roll-off convex groove outside at the removal in-process.

Furthermore, annular holes are formed in the outer end of the supporting block and located on the outer side of the telescopic rod, hollow round tubes are connected to the inner threads of the annular holes, and when the elastic force of the compression spring is weakened or loses elasticity, an operator can unscrew the hollow round tubes out of the annular holes to take out the compression spring for replacement.

Furthermore, the length of the hollow circular tube is greater than the length of the annular hole which is 1.3 times and less than the length of the annular hole which is 1.5 times, so that a part of the hollow circular tube can be exposed out of the annular hole after being screwed into the annular hole, and an operator can conveniently screw the hollow circular tube.

Furthermore, the supporting blocks are uniformly distributed on the surface of the rotating rod, so that the connecting strength between the rotating rod and the connecting block is improved.

Furthermore, the surfaces of the limiting blocks and the convex grooves, which are in contact with each other, are provided with polishing layers, so that the friction resistance of the rotating rod in the sliding process in the convex grooves is reduced.

3. Advantageous effects

Compared with the prior art, the utility model has the advantages of:

(1) this scheme can realize using long-time by the wearing and tearing back when polishing the piece, makes the difficult emergence of the distance between piece and the tooth's socket of polishing change, further improves the efficiency of polishing.

(2) The stopper of two symmetries of rotary rod outer end fixedly connected with, the stopper is located the convex groove and contacts with the convex groove inner wall, carries on spacingly to the rotary rod through the stopper, after the polishing piece is worn and torn by the gear, the rotary rod can move right at the convex groove under compression spring's spring action, the setting up of stopper makes the rotary rod be difficult for the roll-off convex groove outside at the removal in-process.

(3) The supporting shoe outer end is dug there is the annular hole, and the annular hole is located the outside of telescopic link, and annular hole internal thread connection has hollow pipe, and when compression spring's elasticity effect weakens or loses elasticity, the operator's accessible was screwed out the annular hole with hollow pipe and is taken out compression spring and change outward.

(4) The length of the hollow circular tube is larger than 1.3 times of the length of the annular hole and smaller than 1.5 times of the length of the annular hole, so that a part of the hollow circular tube can be exposed out of the annular hole after being screwed into the annular hole, and an operator can conveniently screw the hollow circular tube.

(5) The supporting shoe is even distributes on the rotary rod surface, improves the joint strength between rotary rod and the connecting block.

(6) The surfaces of the limiting blocks and the convex grooves, which are in mutual contact, are provided with polishing layers, so that the friction resistance of the rotating rod in the sliding process in the convex grooves is reduced.

Drawings

Fig. 1 is a front schematic structural view of the present invention;

FIG. 2 is a schematic side view of the rotary plate and the polishing head of the present invention;

FIG. 3 is a schematic structural view of the polishing head of the present invention;

fig. 4 is a schematic structural diagram at a in fig. 3.

The reference numbers in the figures illustrate:

1 polishing piece, 2 connecting blocks, 3 convex grooves, 4 limiting blocks, 5 tightly-pushing elastic sheets, 6 compression springs, 7 telescopic rods, 8 supporting blocks, 9 rotary rods, 10 driving motors, 11 annular holes, 12 hollow circular tubes, 13 polishing device bodies and 14 rotating discs.

Detailed Description

The technical solution in the embodiment of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiment of the present invention; obviously, the described embodiments are only a part of the embodiments of the present invention, and not all embodiments, and all other embodiments obtained by those skilled in the art without any inventive work are within the scope of the present invention based on the embodiments of the present invention.

In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "top/bottom", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted", "provided", "sleeved/connected", "connected", and the like are to be understood in a broad sense, such as "connected", which may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Example 1:

referring to fig. 1 and 2, a gear polishing device includes a polishing device body 13, a rotating disc 14 connected to an outer end of the polishing device body 13, and a plurality of polishing heads connected to an outer end of the rotating disc 14.

Referring to fig. 3, the polishing head includes a driving motor 10, a person skilled in the art can use a driving motor 10 of a suitable type, for example, a TC6334 motor, the driving motor 10 is connected to a rotating disc 14, an output end of the driving motor 10 is fixedly connected to a rotating rod 9, a left side of the driving motor 10 is provided with a connecting block 2, a convex groove 3 is cut in the connecting block 2, one end of the rotating rod 9, which is far away from the driving motor 10, is located in the convex groove 3 and is slidably connected to the convex groove 3, an outer end of the rotating rod 9 is fixedly connected to two symmetrical stoppers 4, the stoppers 4 are located in the convex groove 3 and are in contact with an inner wall of the convex groove 3, the rotating rod 9 is limited by the stoppers 4, after the polishing disc 1 is worn by a gear, the rotating rod 9 moves rightwards in the convex groove 3 under the elastic force of a compression spring 6, the, stopper 4 all is equipped with polishing layer with the surface of convex groove 3 mutual contact, the frictional resistance that makes rotary rod 9 slide the in-process and receive in convex groove 3 reduces, a plurality of supporting shoes 8 of 9 outer end fixedly connected with of rotary rod, 8 even distributions of supporting shoe are on the rotary rod 9 surface, and the quantity of supporting shoe 8 is 4, improve the joint strength between rotary rod 9 and connecting block 2, fixedly connected with telescopic link 7 between supporting shoe 8 and the connecting block 2, 7 outer pot heads of telescopic link are equipped with compression spring 6, both ends contact with connecting block 2 and supporting shoe 8 respectively about compression spring 6.

Please refer to fig. 4, the outer end of the supporting block 8 is provided with an annular hole 11, the annular hole 11 is located outside the telescopic rod 7, the annular hole 11 is internally threaded with a hollow circular tube 12, when the elastic force of the compression spring 6 is weakened or loses elasticity, the operator can screw the hollow circular tube 12 out of the annular hole 11 to take out the compression spring 6 for replacement, the length of the hollow circular tube 12 is greater than the length of the annular hole 11 which is 1.3 times, and is less than the length of the annular hole 11 which is 1.5 times, the length is 1.4 times, so that a part of the hollow circular tube 12 can be exposed out of the annular hole 11 after being screwed into the annular hole 11, the operator can conveniently screw the hollow circular tube 12, the outer end of the connecting block 2 is rotatably connected with two polishing plates 1, and the two polishing plates 1 are.

When the polishing sheet 1 polishes the tooth grooves on the gear, the rotating rod 9 is abutted against the inner wall of the convex groove 3 in the initial state, the compression spring 6 and the telescopic rod 7 are both in the compression state, when the polishing sheet 1 is abraded, the length of the connecting block is shortened, the contact depth with the tooth grooves is not enough, at the moment, the connecting block 2 moves leftwards under the action of the elastic force of the compression spring 6, meanwhile, the position of the rotating rod 9 in the convex groove 3 is changed and is not pressed against the inner wall of the convex groove 3 any more, so that the polishing sheet 1 moves leftwards to continue to approach the tooth grooves, and when the elastic force of the compression spring 6 is weakened or lost, the operator can take out the compression spring 6 for replacement by screwing the hollow circular tube 12 out of the annular hole 11, after the polishing sheet 1 is worn for a long time, the distance between the polishing sheet 1 and the tooth groove is not easy to change, and the polishing efficiency is further improved.

The above description is only the preferred embodiment of the present invention; the scope of the present invention is not limited thereto. Any person skilled in the art should also be able to cover the technical scope of the present invention by replacing or changing the technical solution and the improvement concept of the present invention with equivalents and modifications within the technical scope of the present invention.

Claims

1. The utility model provides a grinding device of gear, includes grinding device body (13), grinding device body (13) outer end is connected with rotary disk (14), rotary disk (14) outer end is connected with a plurality of heads of polishing, its characterized in that: the polishing head comprises a driving motor (10), the driving motor (10) is connected with a rotating disc (14), the output end of the driving motor (10) is fixedly connected with a rotating rod (9), a connecting block (2) is arranged on the left side of the driving motor (10), a convex groove (3) is formed in the connecting block (2), one end, far away from the driving motor (10), of the rotating rod (9) is located in the convex groove (3) and is in sliding connection with the convex groove (3), a plurality of supporting blocks (8) are fixedly connected with the outer end of the rotating rod (9), a telescopic rod (7) is fixedly connected between the supporting blocks (8) and the connecting block (2), a compression spring (6) is sleeved at the outer end of the telescopic rod (7), the left end and the right end of the compression spring (6) are respectively contacted with the connecting block (2) and the supporting block (8), and the outer end of, a jacking elastic sheet (5) is fixedly connected between the two polishing sheets (1).

2. A gear grinding apparatus as defined in claim 1, wherein: rotary rod (9) outer end fixedly connected with stopper (4) of two symmetries, stopper (4) are located convex groove (3) and contact with convex groove (3) inner wall.

3. A gear grinding apparatus as defined in claim 1, wherein: supporting shoe (8) outer end is dug there is annular hole (11), annular hole (11) are located the outside of telescopic link (7), annular hole (11) internal thread connection has hollow pipe (12).

4. A gear grinding apparatus as defined in claim 3, wherein: the length of the hollow circular tube (12) is greater than 1.3 times of the length of the annular hole (11) and less than 1.5 times of the length of the annular hole (11).

5. A gear grinding apparatus as defined in claim 1, wherein: the supporting blocks (8) are uniformly distributed on the surface of the rotating rod (9).

6. A gear grinding apparatus as defined in claim 2, wherein: the surfaces of the limiting blocks (4) and the convex grooves (3) which are contacted with each other are provided with polishing layers.