CN110977655A

CN110977655A - Two-sided grinding device of brake disc

Info

Publication number: CN110977655A
Application number: CN201911273718.7A
Authority: CN
Inventors: 都超平; 王乾
Original assignee: Changzhou Vocational Institute of Light Industry
Current assignee: Changzhou Vocational Institute of Light Industry
Priority date: 2019-12-12
Filing date: 2019-12-12
Publication date: 2020-04-10

Abstract

The invention discloses a double-side polishing device for a brake disc, and relates to the technical field of workpiece polishing. The invention comprises a base, wherein a supporting plate is vertically fixed on the surface of the base; a first clamping disc is rotatably connected to one surface of the supporting plate; one side of the first clamping disc is in threaded connection with a clamping mechanism; the surface of the base is provided with a first chute; a first threaded rod is rotatably connected between the two ends of the first chute; the peripheral side face of the first threaded rod is in threaded fit with a polishing mechanism. When the driving gear is rotated, the driven gear rotates to enable the second threaded rod to be matched with the second threaded hole, the brake disc between the first clamping disc and the second clamping disc is fixed, the brake disc is prevented from rotating during polishing, the polishing quality of the brake disc is guaranteed, the two polishing plates are attached to two sides of the brake disc through the rotation of the bidirectional threaded rod, when the brake disc rotates under the action of the servo motor, the two polishing plates polish two sides of the brake disc simultaneously, and the polishing efficiency of the brake disc is improved.

Description

Two-sided grinding device of brake disc

Technical Field

The invention belongs to the technical field of workpiece polishing, and particularly relates to a double-side polishing device for a brake disc.

Background

The brake disc is an important part in a braking system, generally has abnormal brake sound or is required to be polished when a problem occurs in the brake disc, and has the functions of enabling the brake disc to be smooth and exquisite, restoring the original function and ensuring the good operation of the braking system.

Chinese patent CN208697034U (application No. 201820820455.1) discloses an automobile brake disc burr polishing device, which includes an operation table 2, a slider 3 is disposed at the upper end of the operation table 2, a handle 17 is disposed on the outer side wall of the slider 3, a telescopic device 4 is disposed at the upper end of the slider 3, a placing plate 5 is disposed at the upper end of the telescopic device 4, two brackets 6 are symmetrically disposed at the upper end of the placing plate 5, bearings 9 are disposed at the upper ends of the two brackets 6, a rotating rod 10 penetrates between the two bearings 9, a motor 7 is fixed at the upper end of the placing plate 5, a first gear 11 is connected to the end of an output shaft of the motor 7, a second gear 12 engaged with the first gear 11 is sleeved on the rotating rod 10, a polishing head 13 is disposed at one end of the rotating rod 10, a support column 16 is disposed at one end of the operation table 2, a mounting plate 15 is disposed at one side of the support column 16 close, when the user uses the polishing machine, firstly, the nut is taken down, the brake disc to be polished is installed on the installation plate, then the nut is screwed, the height of the telescopic device is adjusted, the height of the polishing head and the height of the brake disc to be polished are in a proper range, the motor switch is turned on, the motor rotates to drive the first gear to rotate, the first gear drives the second gear to rotate, the second gear drives the rotary rod to rotate in the bearing, finally, the rotary rod drives the polishing head to rotate at a high speed, the handle is pushed to enable the sliding block to slide towards the support column on the operation platform, the polishing head is driven to approach and polish the brake disc, after polishing is finished, the handle is pulled back to enable the polishing head to be far away from the brake disc, when the other side of the brake disc is polished, the brake disc is taken down firstly, and only the steps are needed to be repeated, but for the fixing structure of the brake disc, the nut 14 and the, the brake disc can follow 13 syntropys rotations of head of polishing, can't carry out effectual fixed to the brake disc, and when polishing the brake disc two-sided, need polish the back with the brake disc one side, takes off the brake disc again and trades the face and fix again and polish, and it is inefficient to polish.

Disclosure of Invention

The invention aims to provide a double-side polishing device for a brake disc, which solves the problems that the conventional brake disc is low in polishing efficiency and cannot be effectively fixed through the matched use of a base, a clamping mechanism, a polishing mechanism and a polishing plate.

In order to solve the technical problems, the invention is realized by the following technical scheme:

the invention relates to a double-side polishing device for a brake disc, which comprises a base, wherein a supporting plate is vertically fixed on the surface of the base; one surface of the supporting plate is rotatably connected with a first clamping disc through a ball bearing; one side of the first clamping disc, which is far away from the supporting plate, is in threaded connection with a clamping mechanism; a first sliding groove is formed in the surface of the base and positioned at the bottom of the clamping mechanism; a first threaded rod is rotatably connected between the two ends of the first chute through a ball bearing; a grinding mechanism is in threaded fit with the peripheral side surface of the first threaded rod;

the clamping mechanism comprises a second clamping disc; a connecting frame is fixed on one surface of the second clamping disc; a driving gear is rotatably connected between the connecting frame and the second clamping disc; the surface of the second clamping disc is rotatably connected with a plurality of driven gears meshed with the driving gear; a second threaded rod is fixed at one end of the driven gear and at one side, far away from the driving gear, of the second clamping disc;

the polishing mechanism comprises a first sliding block in sliding fit with the first sliding groove; a first threaded hole matched with the first threaded rod is formed between the two ends of the first sliding block; a connecting rod is fixed at the top of the first sliding block; a U-shaped frame is fixed at the top end of the connecting rod; a second sliding groove is formed in the inner side of the U-shaped frame; the two ends of the U-shaped frame are rotatably connected with a bidirectional threaded rod through ball bearings; and the circumferential side surface of the bidirectional threaded rod is in threaded connection with two oppositely-arranged grinding plates.

Furthermore, a second sliding block matched with the second sliding groove is fixed at the bottom end of the polishing plate; and a third threaded hole matched with the bidirectional threaded rod is formed between the two sides of the bottom end of the polishing plate.

Furthermore, the surface array of the first clamping disc is provided with second threaded holes matched with the second threaded rods.

Furthermore, a servo motor is fixed on the surface of the base and positioned on one side, away from the first clamping disc, of the supporting plate; one end of the rotating shaft of the servo motor is fixedly connected with the first clamping disc.

The invention has the following beneficial effects:

according to the invention, through the matched use of the base, the clamping mechanism, the polishing mechanism and the polishing plates, when the driving gear is rotated, the five driven gears are rotated to enable the second threaded rod to be matched with the second threaded hole, so that the brake disc between the first clamping disc and the second clamping disc is fixed, the brake disc is prevented from rotating during polishing, the polishing quality of the brake disc is ensured, the two polishing plates are attached to two sides of the brake disc by rotating the bidirectional threaded rod, when the brake disc rotates under the action of the servo motor, the two polishing plates polish two sides of the brake disc simultaneously, and the polishing efficiency of the brake disc is improved.

Of course, it is not necessary for any product in which the invention is practiced to achieve all of the above-described advantages at the same time.

Drawings

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

FIG. 1 is a schematic structural diagram of a double-sided grinding device for a brake disc of the present invention;

FIG. 2 is a schematic structural diagram of a base;

FIG. 3 is a schematic structural view of the clamping mechanism;

FIG. 4 is a schematic structural view of a grinding mechanism;

FIG. 5 is a schematic view of a sanding plate;

in the drawings, the components represented by the respective reference numerals are listed below:

1-base, 2-clamping mechanism, 3-grinding mechanism, 4-grinding plate, 101-support plate, 102-first clamping disk, 103-first sliding groove, 104-first threaded rod, 105-second threaded hole, 106-servo motor, 201-second clamping disk, 202-connecting frame, 203-driving gear, 204-driven gear, 205-second threaded rod, 301-first sliding block, 302-first threaded hole, 303-connecting rod, 304-U-shaped frame, 305-second sliding groove, 306-bidirectional threaded rod, 401-second sliding block, 402-third threaded hole.

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, the present invention is a double-side polishing device for a brake disc, including a base 1, a supporting plate 101 is vertically fixed on the surface of the base 1; a first clamping disc 102 is rotatably connected to one surface of the supporting plate 101 through a ball bearing; one side of the first clamping disc 102, which is far away from the supporting plate 101, is in threaded connection with a clamping mechanism 2; a first sliding groove 103 is formed in the surface of the base 1 and positioned at the bottom of the clamping mechanism 2; a first threaded rod 104 is rotatably connected between the two ends of the first chute 103 through ball bearings; the peripheral side surface of the first threaded rod 104 is in threaded fit with a polishing mechanism 3;

the chucking mechanism 2 includes a second chuck plate 201; a connecting frame 202 is fixed on one surface of the second clamping disc 201; a driving gear 203 is rotatably connected between the connecting frame 201 and the second clamping disc 201; five driven gears 204 meshed with the driving gears 203 are rotatably connected to the surface of the second clamping disc 201; a second threaded rod 205 is fixed at one end of the driven gear 204 and at one side of the second clamping disc 201 away from the driving gear 203;

the grinding mechanism 3 comprises a first slide block 301 in sliding fit with the first sliding groove 103; a first threaded hole 302 matched with the first threaded rod 104 is formed between the two ends of the first sliding block 301; the top of the first sliding block 301 is fixed with a connecting rod 303; a U-shaped frame 304 is fixed at the top end of the connecting rod 303; a second chute 305 is arranged on the inner side of the U-shaped frame 304; a bidirectional threaded rod 306 is rotatably connected between the two ends of the U-shaped frame 304 through a ball bearing; the circumferential side surface of the bidirectional threaded rod 306 is in threaded connection with two oppositely arranged grinding plates 4.

As shown in fig. 4 and 5, a second sliding block 401 matched with the second sliding groove 305 is fixed at the bottom end of the polishing plate 4; a third threaded hole 402 matched with the bidirectional threaded rod 306 is formed between the two sides of the bottom end of the grinding plate 4.

As shown in fig. 2 and 3, the array of the surfaces of the first clamping disk 102 is provided with a second threaded hole 105 which is matched with a second threaded rod 205.

As shown in fig. 2, a servo motor 106 is fixed on the surface of the base 1 and on a side of the supporting plate 101 away from the first clamping plate 102; one end of the rotating shaft of the servo motor 106 is fixedly connected with the first clamping disk 102.

One specific application of this embodiment is: when the brake disc is ground, five mounting holes in the center of the brake disc are inserted into five second threaded rods 205, a driving gear 203 is rotated, the driving gear 203 and five driven gears 204 respectively rotate to enable the five second threaded rods 205 to be in threaded fit with five second threaded holes 105 on the surface of a first clamping plate 102, the first clamping plate 102 and a second clamping plate 201 move relatively to clamp and fix the brake disc, a first threaded rod 104 is rotated, the first threaded rod 104 is in threaded fit with a first threaded hole 302, a first sliding groove 301 and a first sliding groove 103 are in sliding fit to limit a connecting rod 303, two grinding plates 4 respectively move to two sides of the brake disc, a bidirectional threaded rod 306 is rotated, a second sliding groove 305 and a second sliding block 401 are matched to limit the two grinding plates 4, the grinding plates 4 are attached to two sides of the brake disc when moving relatively, a servo motor 106 drives the fixed brake disc between the first clamping plate 102 and the second clamping plate 201 to rotate, so that the two grinding plates 4 simultaneously grind the two sides of the brake disc.

In the description herein, references to the description of "one embodiment," "an example," "a specific example" or the like are intended to mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The preferred embodiments of the invention disclosed above are intended to be illustrative only. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and the practical application, to thereby enable others skilled in the art to best utilize the invention. The invention is limited only by the claims and their full scope and equivalents.

Claims

1. The utility model provides a two-sided grinding device of brake disc, includes base (1), its characterized in that:

a support plate (101) is vertically fixed on the surface of the base (1); one surface of the supporting plate (101) is rotatably connected with a first clamping disc (102) through a ball bearing; one side of the first clamping disc (102) far away from the supporting plate (101) is in threaded connection with a clamping mechanism (2); a first sliding groove (103) is formed in the surface of the base (1) and positioned at the bottom of the clamping mechanism (2); a first threaded rod (104) is rotatably connected between the two ends of the first sliding chute (103) through a ball bearing; a grinding mechanism (3) is in threaded fit with the peripheral side surface of the first threaded rod (104);

the clamping mechanism (2) comprises a second clamping disc (201); a connecting frame (202) is fixed on one surface of the second clamping disc (201); a driving gear (203) is rotatably connected between the connecting frame (201) and the second clamping disc (201); the surface of the second clamping disc (201) is rotationally connected with a plurality of driven gears (204) meshed with the driving gear (203); a second threaded rod (205) is fixed at one end of the driven gear (204) and is positioned on one side, far away from the driving gear (203), of the second clamping disc (201);

the grinding mechanism (3) comprises a first sliding block (301) in sliding fit with the first sliding groove (103); a first threaded hole (302) matched with the first threaded rod (104) is formed between the two ends of the first sliding block (301); the top of the first sliding block (301) is fixedly provided with a connecting rod (303); a U-shaped frame (304) is fixed at the top end of the connecting rod (303); a second sliding groove (305) is formed in the inner side of the U-shaped frame (304); a bidirectional threaded rod (306) is rotatably connected between the two ends of the U-shaped frame (304) through a ball bearing; the circumferential side surface of the bidirectional threaded rod (306) is in threaded connection with two oppositely arranged grinding plates (4).

2. The double-sided grinding device for the brake disc as claimed in claim 1, wherein a second sliding block (401) matched with the second sliding groove (305) is fixed at the bottom end of the grinding plate (4); and a third threaded hole (402) matched with the bidirectional threaded rod (306) is formed between the two sides of the bottom end of the grinding plate (4).

3. A brake disc double-sided grinding device according to claim 1, characterized in that the array of surfaces of the first clamping disc (102) is provided with second threaded holes (105) which are matched with the second threaded rods (205).

4. The double-sided grinding device for the brake disc is characterized in that a servo motor (106) is fixed on the surface of the base (1) and is positioned on one side, away from the first clamping disc (102), of the supporting plate (101); one end of the rotating shaft of the servo motor (106) is fixedly connected with the first clamping disc (102).