CN220074253U

CN220074253U - Drum brake block extrados grinding machine

Info

Publication number: CN220074253U
Application number: CN202321345893.4U
Authority: CN
Inventors: 吴东福; 骆正国
Original assignee: Hubei Chuge Automobile Technology Co ltd
Current assignee: Hubei Chuge Automobile Technology Co ltd
Priority date: 2023-05-30
Filing date: 2023-05-30
Publication date: 2023-11-24
Anticipated expiration: 2033-05-30

Abstract

The utility model belongs to the technical field of brake block processing equipment, and particularly relates to a drum brake block extrados grinding machine which comprises a shell, a base, a hydraulic cylinder, an arc plate, an adjusting assembly, a conveying belt, a plurality of clamping seats, a plurality of positioning assemblies, a grinding motor and a grinding roller. The utility model has reasonable design, is convenient for positioning and conveying the braking plate to be polished, can control the polishing roller to reciprocate along the outer cambered surface of the braking plate to perform polishing operation, is convenient for operators to perform loading and unloading operation, does not influence normal polishing operation, and effectively improves the polishing work continuity of the braking plate.

Description

Drum brake block extrados grinding machine

Technical Field

The utility model relates to the technical field of brake pad processing equipment, in particular to a drum brake pad extrados grinding machine.

Background

The brake pad is a main component for braking the wheels of the automobile, the quality requirement is very strict in the processing and production of the brake pad, and the drum-type automobile brake pad is of a curved-arc sheet structure, and the curved-arc structure must grind the inner cambered surface and the outer cambered surface into smooth surfaces in production.

Through retrieving, the current patent of grant publication number CN 213164676U discloses an automobile drum brake pad outer arc grinding machine, including the backup pad, the support column is all vertically installed to four corners of backup pad bottom, and buffer gear is installed to the bottom of support column, transversely installs the diaphragm between the support column inboard, and the dust collection box is installed to the right-hand member at diaphragm top, and first driving motor is installed to the left end of backup pad bottom.

According to research, the prior patent needs to manually take down and place another brake pad to be polished after polishing the drum brake pad, the polishing disc cannot be polished in the process, and the polishing operation can be performed again after placing and positioning, so that the polishing efficiency of the brake pad can be influenced, and meanwhile, the overall structure is relatively complex.

The information disclosed in this background section is only for enhancement of understanding of the general background of the utility model and should not be taken as an acknowledgement or any form of suggestion that this information forms the prior art already known to a person of ordinary skill in the art.

Disclosure of Invention

The utility model aims to solve the defects of the prior art and provides a drum brake pad extrados grinding machine.

The technical aim of the utility model is realized by the following technical scheme: a drum brake pad extrados grinding machine comprises a shell, a base, a hydraulic cylinder, an arc plate, an adjusting component, a conveying belt, a plurality of clamping seats, a plurality of positioning components, a grinding motor and a grinding roller;

the base fixed mounting is in the casing bottom, pneumatic cylinder fixed mounting is in the casing top, the work end of pneumatic cylinder extends to in the casing and with arc fixed connection, fixed mounting has two arc poles on the inner wall of arc, and slidable mounting has same installation piece on two arc poles, installation piece and two arc poles sliding connection, adjusting part sets up on the installation piece, and adjusting part is connected with the arc, fixed mounting has the support frame on the installation piece, the roller of polishing rotates and installs on the support frame, motor fixed mounting is on the support frame, and the roller of polishing and the output shaft axial fixed connection of motor of polishing, the conveyer belt sets up on the base, and a plurality of cassettes are all installed on the conveyer belt, and a plurality of locating parts set up respectively in the cassette that corresponds.

Preferably, the adjusting component comprises a servo motor, a driving gear and an arc toothed plate, wherein the arc toothed plate is fixedly arranged on the inner cambered surface of the arc plate, the servo motor is fixedly arranged on the mounting block, the driving gear is fixedly sleeved on the output shaft of the servo motor, and the driving gear is meshed with the arc toothed plate.

Preferably, the locating component comprises two clamping plates, two movable blocks, two rigid toothed plates, a screen plate, a transmission gear and two reset springs, wherein the screen plate is fixedly installed on the side wall of the clamping seat, two strip-shaped openings are formed in the screen plate, the movable blocks are slidably installed in the two strip-shaped openings, the rigid toothed plates are fixedly installed on one sides of the two movable blocks, which are close to each other, the transmission gear is rotatably installed on the bottom side of the screen plate, the two rigid toothed plates are meshed with the transmission gear, the clamping plates are fixedly installed on the top sides of the two movable blocks, the reset springs are fixedly installed on one sides of the two movable blocks, which are far away from each other, and one ends of the two reset springs, which are far away from each other, are fixedly connected with the inner wall of the clamping seat.

Preferably, the bottom side of cassette fixed mounting has two fixed blocks, all rotates on two fixed blocks and installs the rotation round pin, and two supporting pins are all fixed mounting on the conveyer belt.

Preferably, the same supporting plate is fixedly arranged on the inner walls of the front side and the rear side of the shell, and the top side of the supporting plate is contacted with the conveying belt.

Preferably, the conveyer belt is netted conveyer belt, and the cassette adopts frame form setting, and the upper and lower both sides of cassette all are open setting.

Preferably, the base is provided with a diversion groove.

Preferably, a plurality of telescopic rods are vertically and fixedly arranged between the outer cambered surface of the cambered plate and the inner wall of the bottom of the shell.

The beneficial effects of the utility model are as follows: according to the utility model, the brake plate to be polished is conveniently and stably placed in the clamping seat through the positioning assembly, meanwhile, the position below the polishing roller of the conveying belt can be controlled to be lifted through the hydraulic cylinder under the cooperation of the conveying belt, meanwhile, the polishing roller can be controlled to reciprocate along the outer cambered surface of the brake plate under the action of the adjusting assembly to carry out polishing operation, so that an operator can conveniently carry out feeding and discharging operation, normal polishing operation is not influenced while feeding and discharging, and the polishing work continuity of the brake pad is effectively improved.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings required for the description of the embodiments will be briefly described below, and it is apparent that the drawings in the following description are only some embodiments of the present utility model, and other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

Fig. 1 is a schematic perspective view of a drum brake pad extrados grinding machine according to the present utility model;

FIG. 2 is a schematic cross-sectional view of a drum brake pad extrados grinding machine according to the present utility model;

FIG. 3 is a schematic diagram of the structure of part A of the drum brake pad extrados grinding machine according to the present utility model;

fig. 4 is a schematic broken sectional structure of a card seat part according to the present utility model.

In the figure: 1. a housing; 11. a base; 12. a conveyor belt; 13. a clamping seat; 131. a screen plate; 132. a moving block; 1321. a rigid toothed plate; 133. a transmission gear; 134. a clamping plate; 135. a return spring; 2. an arc-shaped plate; 201. a servo motor; 202. a drive gear; 203. arc toothed plates; 21. a hydraulic cylinder; 22. an arc-shaped rod; 23. a mounting block; 24. a support frame; 25. a grinding roller; 26. and (5) polishing the motor.

Detailed Description

The technical scheme of the present utility model will be clearly and completely described in connection with specific embodiments. It will be apparent that the described embodiments are only some, but not all, embodiments of the utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to fall within the scope of the utility model.

Referring to fig. 1-4, a drum brake pad extrados grinder comprises a housing 1, a base 11, a hydraulic cylinder 21, an arc plate 2, a conveyor belt 12, a plurality of clamping seats 13, a grinding motor 26 and a grinding roller 25, wherein the base 11 is fixedly arranged at the bottom of the housing 1, the hydraulic cylinder 21 is fixedly arranged at the top of the housing 1, the working end of the hydraulic cylinder 21 extends into the housing 1 and is fixedly connected with the arc plate 2, two arc rods 22 are fixedly arranged on the inner wall of the arc plate 2, the same mounting block 23 is slidingly arranged on the two arc rods 22, the mounting block 23 is slidingly connected with the two arc rods 22, an arc toothed plate 203 is fixedly arranged on the intrados of the arc plate 2, a servo motor 201 is fixedly arranged on the mounting block 23, a driving gear 202 is fixedly sleeved on the output shaft of the servo motor 201, the driving gear 202 is meshed with the arc toothed plate 203, the grinding roller 25 can be controlled to perform grinding operation along the extrados of the brake pad, the mounting block 23 is fixedly provided with a supporting frame 24, the polishing roller 25 is rotatably mounted on the supporting frame 24, the polishing motor 26 is fixedly mounted on the supporting frame 24, the polishing roller 25 is axially and fixedly connected with an output shaft of the polishing motor 26, the conveying belt 12 is arranged on the base 11, the bottom side of the clamping seat 13 is fixedly provided with two fixing blocks, the two fixing blocks are rotatably provided with rotating pins, the two supporting pins are fixedly mounted on the conveying belt 12, the side wall of the clamping seat 13 is fixedly provided with a screen plate 131, the screen plate 131 is provided with two strip-shaped openings, the two strip-shaped openings are internally and slidably provided with moving blocks 132, one sides of the two moving blocks 132, which are close to each other, are fixedly provided with rigid toothed plates 1321, the bottom side of the screen plate 131 is rotatably provided with a transmission gear 133, the two rigid toothed plates 1321 are meshed with the transmission gear 133, the top sides of the two moving blocks 132 are fixedly provided with clamping plates 134, one side that two movable blocks 132 kept away from each other all fixed mounting has reset spring 135, and the one end that two reset springs 135 kept away from each other all with cassette 13's inner wall fixed connection, can press from both sides tight operation to the brake block to be convenient for polish the operation.

In this embodiment, conveyer belt 12 is netted conveyer belt 12, cassette 13 adopts the frame form setting, and the upper and lower both sides of cassette 13 all are open setting, and the sweeps that the in-process of being convenient for polish produced pass through, have avoided the sweeps to gather on cassette 13 and conveyer belt 12, have seted up the water conservancy diversion recess on base 11, can make the sweeps that falls discharge casing 1 smoothly, avoid sweeps to gather in casing 1, the effectual degree of difficulty that reduces the clearance.

In this embodiment, fixed mounting has same backup pad on the front and back both sides inner wall of casing 1, and the topside of backup pad contacts with conveyer belt 12, can avoid influencing the precision of polishing because of the deformation of conveyer belt 12 that the downforce causes when polishing the operation, and vertical fixed mounting has a plurality of telescopic links between arc 2's the outer cambered surface and the bottom inner wall of casing 1, can provide support to arc 2 to can make arc 2 keep better job stabilization nature.

In this embodiment, the conveyer belt 12 is driven by adopting a servo motor to cooperate with a supporting shaft and a conveying roller, and accurate conveying operation can be realized based on the characteristics of the servo motor, so that a braking plate placed in the clamping seat 13 can be conveyed to a designated position below the polishing roller 25, and meanwhile, the polishing operation of a wider braking plate can be realized by controlling a mode that the conveyer belt 13 alternately conveys leftwards and rightwards in a small range when the width of the braking plate is larger than the length of the polishing roller 25.

Working principle: when the automatic grinding device is used, firstly, a power supply is switched on, a braking plate to be ground is sequentially placed in a passing clamping seat 13, the braking plate is positioned between two clamping plates 134, so that the positioning of the braking plate can be realized, then the arc plate 2 is controlled to be downward through the hydraulic cylinder 21, the grinding motor 26 is controlled to rotate, the grinding roller 25 is controlled to be ground, grinding is realized when the grinding roller 25 contacts with the outer cambered surface of the braking plate, the mounting block 23 is controlled to reciprocate along the direction of the arc rod 22 during grinding through the servo motor 201, the driving gear 202 and the arc toothed plate 203, the grinding roller 25 can be controlled to carry out reciprocating grinding operation along the outer cambered surface of the braking plate, waste chips generated by grinding are discharged from the front side of the device under the action of the guide grooves after passing through the mesh plate 131 and the mesh-shaped conveying belt 12, and the accumulation of the waste chips in the clamping seat 13, the conveying belt 12 and the shell 1 is effectively avoided, and the later cleaning difficulty is effectively improved.

The drum brake pad extrados grinding machine provided by the utility model is described in detail above. The principles and embodiments of the present utility model have been described herein with reference to specific examples, which are intended to be merely illustrative of the methods of the present utility model and their core ideas. It should be noted that it will be apparent to those skilled in the art that various modifications and adaptations of the utility model can be made without departing from the principles of the utility model and these modifications and adaptations are intended to be within the scope of the utility model as defined in the following claims.

Claims

1. The drum brake pad extrados grinding machine is characterized by comprising a shell (1), a base (11), a hydraulic cylinder (21), an arc plate (2), an adjusting assembly, a conveying belt (12), a plurality of clamping seats (13), a plurality of positioning assemblies, a grinding motor (26) and a grinding roller (25);

base (11) fixed mounting is in casing (1) bottom, pneumatic cylinder (21) fixed mounting is at casing (1) top, the work end of pneumatic cylinder (21) extends to in casing (1) and with arc (2) fixed connection, fixed mounting has two arc poles (22) on the inner wall of arc (2), and slidable mounting has same installation piece (23) on two arc poles (22), installation piece (23) and two arc poles (22) sliding connection, adjusting part sets up on installation piece (23), and adjusting part is connected with arc (2), fixed mounting has support frame (24) on installation piece (23), grinding roller (25) rotation is installed on support frame (24), grinding motor (26) fixed mounting is on support frame (24), and grinding roller (25) and the output shaft axial fixed connection of grinding motor (26), conveyer belt (12) set up on base (11), and a plurality of cassette (13) are all installed on conveyer belt (12) and are located in a plurality of corresponding positioning parts (13) respectively.

2. The drum brake shoe extrados grinding machine of claim 1 wherein: the adjusting component comprises a servo motor (201), a driving gear (202) and an arc toothed plate (203), wherein the arc toothed plate (203) is fixedly installed on the intrados of the arc plate (2), the servo motor (201) is fixedly installed on the installation block (23), the driving gear (202) is fixedly sleeved on the output shaft of the servo motor (201), and the driving gear (202) is meshed with the arc toothed plate (203).

3. The drum brake shoe extrados grinding machine of claim 1 wherein: the positioning assembly comprises two clamping plates (134), two moving blocks (132), two rigid toothed plates (1321), a screen plate (131), a transmission gear (133) and two reset springs (135), wherein the screen plate (131) is fixedly installed on the side wall of the clamping seat (13), two strip-shaped openings are formed in the screen plate (131), the moving blocks (132) are slidably installed in the two strip-shaped openings, the rigid toothed plates (1321) are fixedly installed on one sides, close to each other, of the two moving blocks (132), the transmission gear (133) is rotatably installed on the bottom side of the screen plate (131), the two rigid toothed plates (1321) are meshed with the transmission gear (133), the clamping plates (134) are fixedly installed on the top sides of the two moving blocks (132), the reset springs (135) are fixedly installed on one sides, far away from each other, of the two reset springs (135) are fixedly connected with the inner wall of the clamping seat (13).

4. The drum brake shoe extrados grinding machine of claim 1 wherein: two fixed blocks are fixedly arranged on the bottom side of the clamping seat (13), rotating pins are rotatably arranged on the two fixed blocks, and two supporting pins are fixedly arranged on the conveying belt (12).

5. The drum brake shoe extrados grinding machine of claim 1 wherein: the inner walls of the front side and the rear side of the shell (1) are fixedly provided with the same supporting plate, and the top side of the supporting plate is contacted with the conveying belt (12).

6. The drum brake shoe extrados grinding machine of claim 1 wherein: the conveyer belt (12) is netted conveyer belt (12), cassette (13) adopts frame form setting, and the upper and lower both sides of cassette (13) are open setting.

7. The drum brake shoe extrados grinding machine of claim 1 wherein: the base (11) is provided with a diversion groove.

8. The drum brake shoe extrados grinding machine of claim 1 wherein: a plurality of telescopic rods are vertically and fixedly arranged between the outer cambered surface of the arc-shaped plate (2) and the inner wall of the bottom of the shell (1).