CN111791125A

CN111791125A - Automobile brake disc grinding device

Info

Publication number: CN111791125A
Application number: CN202010674136.6A
Authority: CN
Inventors: 刘彩
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-07-14
Filing date: 2020-07-14
Publication date: 2020-10-20

Abstract

The invention relates to the field of machining, and particularly discloses an automobile brake disc polishing device which comprises a platform, a supporting base, a motor and a polishing device, wherein the platform is arranged on the supporting base; a support shaft extending upwards from the platform is coaxially and fixedly installed on an output shaft of the motor, and a horizontal rotating disc is coaxially and fixedly installed on the support shaft; a horizontal clamping plate is arranged above the rotating disc, and a plurality of clamping springs are fixedly arranged between the clamping plate and the rotating disc; telescopic clamping grooves which are sunken towards the central shaft are symmetrically formed in the left side and the right side of the upper end of the positioning pin, and telescopic clamping blocks matched with the telescopic clamping grooves are horizontally and movably arranged in the telescopic clamping grooves. The brake disc can be directly pressed downwards from the top of the positioning pin, the telescopic clamping block on the positioning pin is pushed by the brake disc to horizontally move and enter the telescopic clamping groove until the telescopic clamping groove completely enters, and the brake disc is fixed by the telescopic clamping block and the stiffening plate, so that the brake disc is quickly installed, can be suitable for brake discs with different thicknesses, and has a wide application range.

Description

Automobile brake disc grinding device

Technical Field

The invention relates to the field of machining, in particular to an automobile brake disc polishing device.

Background

The brake disc is simply a round disc, when a vehicle runs, the brake disc also rotates, the brake calipers clamp the brake disc to generate braking force, when the vehicle is stepped on, the brake disc is clamped to play a role in reducing speed or stopping, the brake disc has good braking effect and is easier to maintain than a drum brake, the prior brakes are provided with a disc brake and a drum brake and also provided with an air brake, the old vehicles are mostly front-disc and rear-drum brakes, the prior vehicles are mostly disc brakes in front and at the back, because the disc brake has better heat dissipation than the drum brake, the heat fading is not easy to generate in a high-speed braking state, the high-speed braking effect is good, but when the low-speed cold brake is performed, the braking effect is not as good as that of the drum brake.

When the brake disc is machined, the brake disc needs to be polished, the conventional brake disc polishing device, particularly the fixing and clamping device can only fix the brake disc with one size and model, the application range is small, and therefore the conventional polishing device needs to be improved.

Disclosure of Invention

The invention aims to provide an automobile brake disc polishing device to solve the problems in the background technology.

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

a polishing device for an automobile brake disc comprises a platform, a supporting base, a motor and a polishing device, wherein the supporting base is arranged on the platform; the supporting base is fixedly arranged on the lower side of the platform, the platform is supported by the supporting base, a vertical motor is fixedly arranged on the lower side of the platform, and the hydraulic cylinder is horizontally and fixedly arranged on the upper surface of the platform; a support shaft extending upwards from the platform is coaxially and fixedly installed on an output shaft of the motor, a horizontal rotating disc is coaxially and fixedly installed on the support shaft, and the rotating disc is driven to rotate by the motor; a horizontal clamping plate is arranged above the rotating disc, a plurality of clamping springs are fixedly arranged between the clamping plate and the rotating disc, and the clamping plate is supported by the clamping springs; a threaded hole vertically and downwardly extending into the supporting shaft is formed in the central shaft of the rotating disc, a vertical positioning pin is coaxially inserted into the threaded hole, an external thread matched with the thread of the threaded hole is arranged on the outer side of the lower end of the positioning pin, the positioning pin is installed in the center of the rotating disc in a threaded manner, the positioning pin upwards slides through the center of the clamping plate, and the upper end of the positioning pin is higher than the clamping plate; telescopic clamping grooves which are sunken towards a central shaft are symmetrically formed in the left side and the right side of the upper end of the positioning pin, telescopic clamping blocks matched with the telescopic clamping grooves are horizontally and movably mounted in the telescopic clamping grooves, the longitudinal sections of the telescopic clamping blocks are right trapezoid, the inclined surfaces of the telescopic clamping blocks incline downwards from the center to the outer side, the telescopic clamping blocks can move in the telescopic clamping grooves and can completely extend into the telescopic clamping grooves, the telescopic clamping blocks are pushed to enter the telescopic clamping grooves, the positioning pin does not influence the penetrating of the positioning pin through the central hole of the brake disc, and therefore the brake disc is mounted below the telescopic clamping blocks; a plurality of horizontal supporting springs are fixedly mounted on the inner side of the telescopic clamping block, the other ends of the supporting springs are fixed on the inner wall of the telescopic clamping groove, the telescopic clamping block is supported through the supporting springs, the telescopic clamping block is kept to stretch out from the telescopic clamping groove, and after pressure is received on the inclined plane of the telescopic clamping block, the telescopic clamping block is moved towards the inside of the telescopic clamping groove, and the elasticity of the supporting springs is overcome.

Further: the width of the telescopic clamping groove is smaller than the diameter of the positioning pin towards the right, and the depth of the telescopic clamping groove is smaller than the radius of the positioning pin.

Further: a moving seat is fixedly connected to an output shaft of the hydraulic cylinder, a translation sliding groove is formed in the upper surface of the platform corresponding to the lower end of the moving seat, and the moving seat is connected with the translation sliding groove in a sliding mode so that the moving seat can move in the horizontal direction; the upper end fixed mounting who removes the seat has the horizontally fixed plate towards rotary disk one side, the fixed plate is higher than the clamp plate, be provided with the horizontally mounting panel in the below of fixed plate, rotate on the upper surface center of mounting panel and install vertical altitude mixture control bolt, altitude mixture control bolt threaded connection passes the fixed plate, rotates through altitude mixture control bolt, adjusts the height of mounting panel, changes the distance between mounting panel and the brake disc, carries out the regulation of the dynamics of polishing, also can adapt to not unidimensional brake disc processing needs.

Further: the lower surface of the mounting plate is covered with a polishing sheet, and the polishing sheet polishes the upper surface of the brake disc.

Further: and a baffle is arranged on the mounting plate.

Further: the upper end of the baffle is connected with the adjusting sliding groove arranged on the side wall of the mounting plate in a sliding mode, so that the baffle can be far away from or close to the brake disc, and the baffle can be adjusted at different positions according to the size of the brake disc, so that the baffle can be shielded outside the brake disc to block the ground powder.

Further: the lower extreme of baffle is fixed with the horizontally and collects the board, collects the powder that the baffle sheltered from, the board is with the horizontal parallel and level of rotary disk, does not influence the installation use of top brake disc.

Further: all be provided with baffle, regulation spout and collecting plate on both sides around the mounting panel, shelter from both sides simultaneously.

Compared with the prior art, the invention has the beneficial effects that: the brake disc can be directly pressed downwards from the top of the positioning pin, the telescopic clamping block on the positioning pin is pushed by the brake disc to horizontally move and enter the telescopic clamping groove until the telescopic clamping groove completely enters, and the brake disc is fixed by the telescopic clamping block and the stiffening plate, so that the brake disc is quickly installed and can be suitable for brake discs with different thicknesses, and the application range is wide; the hydraulic cylinder can adjust the position of the polishing sheet, flexibly adjust brake discs with different sizes and models, and the polishing sheet can be adjusted in height, different force application sizes can be adjusted, and polishing in different degrees can be performed; the powder after polishing is collected through adjustable baffle and collecting plate, avoids the powder to scatter, maintains the processing environment.

Drawings

Fig. 1 is a schematic structural diagram of an automobile brake disc grinding device.

Fig. 2 is a partially enlarged view of a in fig. 1.

Fig. 3 is a schematic structural diagram of a positioning pin in an automobile brake disc grinding device.

Fig. 4 is a schematic connection diagram of a baffle plate in the automobile brake disc grinding device.

In the figure: 1-platform, 2-supporting base, 3-motor, 4-hydraulic cylinder, 5-rotating disk, 6-locating pin, 7-clamping plate, 8-clamping spring, 9-supporting shaft, 10-threaded hole, 11-external thread, 12-telescopic clamping block, 13-telescopic clamping groove, 14-supporting spring, 15-moving seat, 16-translation sliding groove, 17-fixing plate, 18-height adjusting bolt, 19-mounting plate, 20-baffle plate, 21-adjusting sliding groove, 22-collecting plate, 23-polishing piece and 24-brake disc.

Detailed Description

Example 1

Referring to the drawings, in the embodiment of the invention, an automobile brake disc polishing device comprises a platform 1, a supporting base 2,

motors

3 and 4; the supporting base 2 is fixedly installed on the lower side of the platform 1, the platform 1 is supported through the supporting base 2, the vertical motor 3 is fixedly installed on the lower side of the platform 1, and the hydraulic cylinder 4 is horizontally and fixedly installed on the upper surface of the platform 1.

A support shaft 9 extending upwards from the platform 1 is coaxially and fixedly installed on an output shaft of the motor 3, a horizontal rotating disc 5 is coaxially and fixedly installed on the support shaft 9, and the rotating disc 5 is driven to rotate by the motor 3; a horizontal clamping plate 7 is arranged above the rotating disc 5, a plurality of clamping springs 8 are fixedly arranged between the clamping plate 7 and the rotating disc 5, and the clamping plate 7 is supported by the clamping springs 8; a threaded hole 10 vertically and downwardly extending into the supporting shaft 9 is formed in the central shaft of the rotating disc 5, a vertical positioning pin 6 is coaxially inserted into the threaded hole 10, an external thread 11 matched with the threaded hole 10 is arranged on the outer side of the lower end of the positioning pin 6, the positioning pin 6 is installed in the center of the rotating disc 5 in a threaded mode, the positioning pin 6 upwards slides through the center of the clamping plate 7, and the upper end of the positioning pin 6 is higher than the clamping plate 7; telescopic clamping grooves 13 which are sunken towards a central shaft are symmetrically formed in the left side and the right side of the upper end of the positioning pin 6, the width of each telescopic clamping groove 13 is smaller than the diameter of the right positioning pin 6, the depth of each telescopic clamping groove 13 is smaller than the radius of the corresponding positioning pin 6, a telescopic clamping block 12 matched with the telescopic clamping groove 13 is horizontally and movably mounted in the telescopic clamping groove 13, the longitudinal section of each telescopic clamping block 12 is in a right trapezoid shape, the inclined surface of each telescopic clamping block 12 inclines downwards from the center to the outer side, each telescopic clamping block 12 can move in each telescopic clamping groove 13 and completely extend into the corresponding telescopic clamping groove 13, each telescopic clamping block 12 is pushed to enter the corresponding telescopic clamping groove 13, the central hole of each brake disc 24 is not influenced; a plurality of horizontal supporting springs 14 are fixedly installed on the inner side of the telescopic clamping block 12, the other ends of the supporting springs 14 are fixed on the inner wall of the telescopic clamping groove 13, the telescopic clamping block 12 is supported by the supporting springs 14, the telescopic clamping block 12 is kept extending out of the telescopic clamping groove 13, and after pressure is received on the inclined plane of the telescopic clamping block 12, the telescopic clamping block 12 moves towards the inside of the telescopic clamping groove 13 to overcome the elasticity of the supporting springs 14; when the brake disc 24 is installed, the center hole of the brake disc 24 is opposite to the positioning pin 6, the brake disc 24 is pressed downwards, the inner wall of the center hole of the brake disc 24 is in contact with the inclined plane of the telescopic clamping block 12, the telescopic clamping block 12 is pushed to move towards the telescopic clamping groove 13 in the process of downward pressure of the brake disc 24 until the telescopic clamping block 12 completely enters the telescopic clamping groove 13, the brake disc 24 can smoothly move downwards, and after the brake disc 24 moves to the lower part of the telescopic clamping block 12, the telescopic clamping block 12 is outwards ejected under the action of the supporting spring 14 and is positioned above the brake disc 24; the clamping spring 8 below the clamping plate 7 is compressed in the process that the brake disc 24 moves downwards, and after the pressure on the brake disc 24 is removed, the clamping spring 8 pushes the clamping plate 7 upwards to enable the upper surface of the brake disc 24 to be attached to the lower surface of the telescopic clamping block 12, so that the position of the brake disc 24 is fixed; when the brake disc 24 needs to be taken down, a worker manually presses the telescopic clamping block 12 to enable the telescopic clamping block to enter the telescopic clamping groove 13, and the brake disc 24 is upwards popped out; the brake disc 24 can be clamped between the telescopic clamping block 12 and the clamping plate 7 according to different sizes and models.

Example 2

On the basis of embodiment 1, a moving seat 15 is fixedly connected to an output shaft of the hydraulic cylinder 4, a translation chute 16 is formed in the upper surface of the platform 1 corresponding to the lower end of the moving seat 15, and the moving seat 15 is slidably connected with the translation chute 16 so that the moving seat 15 moves in the horizontal direction; a horizontal fixing plate 17 facing one side of the rotating disc 5 is fixedly installed at the upper end of the moving seat 15, the fixing plate 17 is higher than the clamping plate 7, a horizontal installation plate 19 is arranged below the fixing plate 17, a vertical height adjusting bolt 18 is rotatably installed on the center of the upper surface of the installation plate 19, the height adjusting bolt 18 penetrates through the fixing plate 17 in a threaded manner, the height of the installation plate 19 is adjusted through the rotation of the height adjusting bolt 18, the distance between the installation plate 19 and a brake disc 24 is changed, the grinding force is adjusted, and the machining requirements of brake discs 24 with different sizes can be met; the lower surface of the mounting plate 19 is covered with a polishing pad 23, and the polishing pad 23 polishes the upper surface of the brake disc 24.

A baffle 20 is arranged on one side of the mounting plate 19, the upper end of the baffle 20 is in sliding connection through an adjusting sliding groove 21 formed in the side wall of the mounting plate 19, so that the baffle 20 can be far away from or close to a brake disc 24 and adjusted to different positions according to the size of the brake disc 24, and the baffle can be shielded outside the brake disc 24 to shield the ground powder; a horizontal collecting plate 22 is fixed at the lower end of the baffle plate 20, powder shielded by the baffle plate 20 is collected, and the collecting plate 22 is horizontally flush with the rotating disc 5, so that the installation and use of an upper brake disc 24 are not influenced; preferably, a baffle 20, an adjusting chute 21 and a collecting plate 22 are provided on both front and rear sides of the mounting plate 19 while shielding both sides.

When the polishing device is used, the brake disc 24 is arranged on the clamping plate 7, the brake disc 24 is fixed under the action of the clamping plate 7 and the telescopic clamping block 12, the motor 3 is started to drive the rotating disc 5 to rotate, so that the brake disc 24 on the clamping plate 7 synchronously rotates, the position of the moving seat 15 is adjusted according to the size of the brake disc 24 to be polished, the mounting plate 19 is positioned above the brake disc 24, the height of the mounting plate 19 is adjusted, the polishing piece 23 on the lower surface of the mounting plate 19 is in contact with the brake disc 24, and the brake disc 24 is polished; meanwhile, the baffle 20 can be adjusted back and forth to be positioned on two sides of the polishing position, so that the polished dust is left in the baffle, and outward diffusion is reduced.

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. An automobile brake disc polishing device comprises a platform (1), a supporting base (2), motors (3) and motors (4); the supporting base (2) is fixedly arranged on the lower side of the platform (1), the vertical motor (3) is fixedly arranged on the lower side of the platform (1), and the hydraulic cylinder (4) is horizontally and fixedly arranged on the upper surface of the platform (1); the device is characterized in that a support shaft (9) extending upwards from the platform (1) is coaxially and fixedly installed on an output shaft of the motor (3), and a horizontal rotating disc (5) is coaxially and fixedly installed on the support shaft (9); a horizontal clamping plate (7) is arranged above the rotating disc (5), and a plurality of clamping springs (8) are fixedly arranged between the clamping plate (7) and the rotating disc (5); a threaded hole (10) vertically and downwardly extending into the supporting shaft (9) is formed in a central shaft of the rotating disc (5), a vertical positioning pin (6) is coaxially inserted into the threaded hole (10), an external thread (11) matched with the threaded hole (10) is arranged on the outer side of the lower end of the positioning pin (6), the positioning pin (6) is installed on the center of the rotating disc (5) in a threaded mode, and the positioning pin (6) upwards slides through the center of the clamping plate (7); telescopic clamping grooves (13) which are sunken towards a central shaft are symmetrically formed in the left side and the right side of the upper end of the positioning pin (6), telescopic clamping blocks (12) matched with the telescopic clamping grooves are horizontally and movably mounted in the telescopic clamping grooves (13), the longitudinal sections of the telescopic clamping blocks (12) are right trapezoid, the inclined surfaces of the telescopic clamping blocks (12) are inclined downwards from the center to the outer side, the telescopic clamping blocks (12) move in the telescopic clamping grooves (13) and extend inwards into the telescopic clamping grooves (13); a plurality of horizontal supporting springs (14) are fixedly arranged on the inner side of the telescopic clamping block (12), and the other ends of the supporting springs (14) are fixed on the inner wall of the telescopic clamping groove (13).

2. The automobile brake disc grinding device according to claim 1, characterized in that: the width of the telescopic clamping groove (13) is equal to the diameter of the right positioning pin (6), and the depth of the telescopic clamping groove is smaller than the radius of the positioning pin (6).

3. The automobile brake disc grinding device according to claim 1 or 2, characterized in that: a moving seat (15) is fixedly connected to an output shaft of the hydraulic cylinder (4), a translation sliding groove (16) is formed in the upper surface of the platform (1) corresponding to the lower end of the moving seat (15), and the moving seat (15) is connected with the translation sliding groove (16) in a sliding mode; the upper end of the moving seat (15) is fixedly provided with a horizontal fixing plate (17) facing one side of the rotating disc (5), a horizontal mounting plate (19) is arranged below the fixing plate (17), the center of the upper surface of the mounting plate (19) is rotatably provided with a vertical height adjusting bolt (18), and the height adjusting bolt (18) is in threaded connection with the fixing plate (17).

4. The automobile brake disc grinding device according to claim 3, characterized in that: the fixing plate (17) is higher than the clamping plate (7).

5. The automobile brake disc grinding device according to claim 3, characterized in that: the lower surface of the mounting plate (19) is covered with a polishing sheet (23).

6. The automobile brake disc grinding device according to claim 3, characterized in that: and a baffle (20) is arranged on the mounting plate (19).

7. The automobile brake disc grinding device according to claim 6, characterized in that: the upper end of the baffle (20) is connected with the side wall of the mounting plate (19) in a sliding way through an adjusting sliding groove (21).

8. The automobile brake disc grinding device according to claim 7, characterized in that: the lower end of the baffle (20) is fixed with a horizontal collecting plate (22).

9. The automobile brake disc grinding device according to claim 8, characterized in that: the collecting plate (22) is horizontally flush with the rotating disc (5).

10. The automobile brake disc grinding device according to claim 9, characterized in that: the front side and the rear side of the mounting plate (19) are respectively provided with a baffle plate (20), an adjusting sliding groove (21) and a collecting plate (22).