CN113843626B

CN113843626B - Drilling and deburring device for drum brake sheet

Info

Publication number: CN113843626B
Application number: CN202111182130.8A
Authority: CN
Inventors: 杜孟子; 章志华
Original assignee: Huangshan Feiying Auto Parts Co ltd
Current assignee: Huangshan Feiying Auto Parts Co ltd
Priority date: 2021-10-11
Filing date: 2021-10-11
Publication date: 2023-03-24
Anticipated expiration: 2041-10-11
Also published as: CN113843626A

Abstract

The invention relates to the technical field of drum brake sheet drilling and deburring devices, and discloses a drum brake sheet drilling and deburring device, which comprises a bearing table, a placing body rotatably arranged at the top of the bearing table, a brake sheet blank placed on the side surface of the placing body, and a drilling tool moving along the horizontal direction, and is characterized in that: place internal being provided with and being used for polishing the subassembly of polishing of the inboard burr of brake block blank, be provided with in the plummer and be used for ordering about the subassembly of polishing with the drilling tool is in brake block blank drilling range is along the drive assembly that the horizontal direction kept synchronous motion, be provided with the dust absorption subassembly that is used for absorbing the dust on the drilling tool, the dust absorption subassembly is along the horizontal direction keep moving, when brake block blank is drilled, can get rid of the burr of brake block blank inside and outside, saves the process of polishing in later stage, has shortened the production line, can collect the dust and the piece of drilling simultaneously when drilling, keeps the environment of processing clean and tidy.

Description

Drilling and deburring device for drum brake sheet

Technical Field

The invention relates to the technical field of drum brake sheet drilling deburring devices, in particular to a drum brake sheet drilling deburring device.

Background

The existing automobile mostly adopts drum brake and disc brake, wherein, drum brake has the advantages of good brake effect, durability and the like, and has good brake performance on the road surface with more gravels, but drum brake heat dissipation performance is poor, and when the automobile is braked for a long time, the temperature of a brake block rises and the heat can not be dissipated quickly, thereby influencing the brake performance.

According to the patent number CN112122655A, the automatic drilling machine for the brake pad comprises a processing device, a feeding device, a discharging device and a drilling device, wherein the processing device comprises a rotating motor, a processing table and a baffle plate, the processing table is in transmission connection with the rotating motor, the processing table comprises a processing surface corresponding to the brake pad, the brake pad can be attached to the processing surface when placed on the processing surface, and the baffle plate is fixedly arranged on the processing surface and used for pushing the brake pad to move together when the processing table rotates; the feeding device is arranged on one side of the processing table and comprises a feeding power mechanism and a storage device, the feeding power mechanism is arranged on one side of the Chu Wuqi far away from the processing table and faces the storage device, the storage device comprises a storage surface, and the feeding power mechanism can push the brake pad on the storage surface to the processing surface; the discharging device is arranged on one side of the processing table and comprises a discharging power mechanism, and the discharging power mechanism faces the processing table and can push away the brake pad on the processing surface; drilling equipment includes drilling motor, drill bit and displacement mechanism, and displacement mechanism's displacement end and drilling motor fixed connection, and displacement mechanism can drive the drilling motor and remove towards the machined surface, and the coaxial fixed connection of axis of rotation of drill bit and drilling motor for drill on the brake block, this brake block automatic drilling machine only need set for in advance can automatic processing, and drilling accuracy is accurate.

The defects of the prior art are that when the brake pad is drilled, burrs are left at the drilling position, manual equipment is needed to grind the burrs flat, and time and labor are wasted.

Disclosure of Invention

The invention aims to provide a drilling and deburring device for a drum brake pad, and aims to solve the problem that burrs are left at a drill hole and need to be manually removed after the brake pad is drilled.

Technical scheme

In order to solve the technical problem, the embodiment of the invention adopts the following technical scheme: the utility model provides a drum brake piece drilling burring device, includes the plummer, rotates to set up in the body of placing at plummer top, place in place the brake block blank of body side and the drilling tool that removes along the horizontal direction, its characterized in that: the polishing device is characterized in that a polishing assembly used for polishing burrs on the inner side of the brake pad blank is arranged in the placing body, a transmission assembly used for driving the polishing assembly and a drilling tool to move synchronously along the horizontal direction in the drilling range of the brake pad blank is arranged in the bearing table, a dust suction assembly used for absorbing dust is arranged on the drilling tool, and the dust suction assembly moves along the horizontal direction.

As preferred, the drilling tool is provided with the fixed block towards the one end of placing the body, be provided with first spring on the lateral wall of fixed block, the fixed block has the one end unclosed for the one end fixed mounting of drilling tool and covers passively, it is provided with the laying dust filter screen on the inner wall of fixed block one end to cover passively, axial rotation is provided with the drill bit on the fixed block, on the lateral wall of drill bit respectively fixed mounting have be located the dull polish piece and the drainage fan of cover passively.

Preferably, an L-shaped connecting rod is fixedly mounted at the bottom of the drilling tool, a hydraulic cylinder fixedly mounted on the side wall of the bearing table is arranged at the other end of the L-shaped connecting rod, a fixing plate is fixedly mounted in the bearing table, and a pipe clamp is fixedly mounted on the fixing plate.

Preferably, the transmission assembly comprises a driven pipe rotatably arranged on the pipe clamp, a fixed pipe is fixedly arranged on the inner wall of the driven pipe, and a thread is formed on the inner wall of the fixed pipe.

Preferably, the hydraulic cylinder is provided with a movable rod, one end of the movable rod extends into the driven tube, the movable rod comprises a threaded rod matched with the thread of the fixed tube, a first sliding rod and a second sliding rod are fixedly mounted at one ends of the threaded rod, which face the hydraulic cylinder, the other ends of the threaded rod are fixedly provided with the second sliding rod, the driven tube is fixedly provided with a second bevel gear relative to one end of the hydraulic cylinder, a first bevel gear meshed with the second bevel gear is axially arranged on the fixed plate in a rotating mode, and a lead screw is fixedly mounted on the first bevel gear along the vertical direction.

Preferably, place the internal cylinder that is located directly over the lead screw that is provided with, the cylinder is provided with the carriage release lever on the lateral wall of drilling tool towards, be provided with the second spring on the lateral wall of carriage release lever, the carriage release lever has two-way motor for the one end fixed mounting of cylinder, the subassembly of polishing includes the dull polish roller about two-way motor symmetry sets up, place offer on the lateral wall of the body with the logical groove of dull polish roller looks adaptation.

Preferably, the top of the bearing platform is provided with a limiting plate for fixing the brake pad blank.

Compared with the prior art, the drum brake sheet drilling and deburring device provided by the embodiment of the invention has the following beneficial effects:

when a drilling tool moves towards a blank of a brake pad, an L-shaped connecting rod supports against the hydraulic cylinder to drive a movable rod to move towards the center of a bearing platform, after a threaded rod is meshed with threads on a fixed pipe, the movable rod continues to move, the fixed pipe meshed with the threaded rod is driven by the threaded rod to rotate, the fixed pipe drives a driven pipe to rotate, the driven pipe drives a second bevel gear to rotate, the second bevel gear drives a first bevel gear meshed with the second bevel gear to rotate, the first bevel gear drives a screw rod to descend, the screw rod descends, an air cylinder is in a negative pressure state, the movable rod moves towards the air cylinder to drive a bidirectional motor to move towards the air cylinder, the bidirectional motor drives two grinding rollers to be far away from the blank of the brake pad, at the moment, a second spring is in a compression state, after a driven cover is attached to the blank of the brake pad, the drilling tool drives the drilling tool to rotate to punch holes along with the drill bit extending into the blank of the brake pad, a driven cover extrudes the first spring to make the first spring in the compression state, the rotating drill bit drives a grinding plate and a drainage fan to synchronously rotate, and the drainage fan drains particles ground by the drill bit onto a dust filter screen, and the drill bit is attached to polish the outer side of the blank of the brake pad; after the outer side of the brake pad blank is machined, the drilling tool is far away from the brake pad blank, the L-shaped connecting rod is driven to be far away from the hydraulic cylinder, the hydraulic cylinder drives the movable rod to be far away from the bearing table, after the threaded rod is meshed with the threads on the fixed pipe, the movable rod continues to move, the driven pipe is driven to rotate reversely through the meshed threaded rod and the fixed pipe, the driven pipe drives the second bevel gear to rotate reversely, the second bevel gear drives the first bevel gear meshed with the second bevel gear to rotate reversely, the first bevel gear drives the lead screw to ascend, the cylinder returns to a normal state after the lead screw ascends, the second spring pushes the two-way motor to drive the movable rod to move towards the brake pad blank, after the two grinding rollers extend into the through groove and are tangent to the brake pad blank, the two-way motor drives the grinding rollers to rotate to polish the inner side of the brake pad blank, burrs can be removed from the inner side and the outer side of the brake pad blank when the drilling tool drills, the working procedure of polishing at the later is saved, the production line can be capable of collecting drilled dust and fragments and keeping the environment clean and tidy during the drilling environment.

It is to be understood that both the foregoing general description and the following detailed description are exemplary and explanatory only and are not restrictive of the disclosure.

This document provides an overview of various implementations or examples of the technology described in this disclosure, and is not a comprehensive disclosure of the full scope or all features of the disclosed technology.

Drawings

FIG. 1 is a schematic view of the outer structure of the present invention;

FIG. 2 is a schematic view of an outer side partial structure of the present invention;

FIG. 3 is a schematic view of a partial cross-sectional structure of the present invention;

FIG. 4 is a schematic view of the inner structure of the carrier stage according to the present invention;

FIG. 5 is a schematic view of the movable rod of the present invention;

FIG. 6 is a schematic view of the dust-collecting assembly of the present invention.

In the figure: 1. a bearing table; 2. a placement body; 3. a limiting plate; 4. drilling tools; 5. a brake pad blank; 6. a dust collection assembly; 7. polishing the assembly; 8. a transmission assembly; 10. an L-shaped connecting rod; 11. a hydraulic cylinder; 12. a first spring; 13. a fixing plate; 14. a screw rod; 15. a cylinder; 16. a travel bar; 17. a second spring; 18. a first bevel gear; 19. a pipe clamp; 20. grinding a sand sheet; 21. a drill bit; 22. a fixed block; 23. a through groove; 61. a passive cover; 62. a dust accumulation filter screen; 63. a flow-guiding fan; 71. a bi-directional motor; 72. a frosted roller; 81. a passive pipe; 82. a fixed tube; 83. a movable rod; 831. a first slide bar; 832. a threaded rod; 833. a second slide bar; 84. a second bevel gear.

Detailed Description

So that the objects, technical solutions and advantages of the embodiments of the present disclosure will be more apparent, the technical solutions of the embodiments of the present disclosure will be clearly and completely described below with reference to the drawings of the embodiments of the present disclosure. It is to be understood that the described embodiments are only a few embodiments of the present disclosure, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the described embodiments of the disclosure without inventive step, are within the scope of protection of the disclosure.

Unless otherwise defined, technical or scientific terms used herein shall have the ordinary meaning as understood by one of ordinary skill in the art to which this disclosure belongs. The use of the word "comprising" or "comprises", and the like, in this disclosure is intended to mean that the elements or items listed before that word, include the elements or items listed after that word, and their equivalents, without excluding other elements or items. The terms "connected" or "coupled" and the like are not restricted to physical or mechanical connections, but may also include electrical connections, whether direct or indirect. "upper", "lower", "left", "right", and the like are used merely to indicate relative positional relationships, and when the absolute position of the object being described is changed, the relative positional relationships may also be changed accordingly.

As shown in fig. 1 to 6, the drum brake pad drilling and deburring device provided by the invention comprises a bearing table 1, a placing body 2 rotatably arranged at the top of the bearing table 1, a brake pad blank 5 placed on the side surface of the placing body 2, and a drilling tool 4 moving along the horizontal direction, and is characterized in that: the polishing device is characterized in that a polishing component 7 used for polishing burrs on the inner side of the brake pad blank 5 is arranged in the placing body 2, a transmission component 8 used for driving the polishing component 7 and the drilling tool 4 to keep synchronous motion in the drilling range of the brake pad blank 5 along the horizontal direction is arranged in the bearing table 1, a dust collection component 6 used for absorbing dust is arranged on the drilling tool 4, and the dust collection component 6 keeps moving along the horizontal direction.

As a preferred embodiment of the present invention, as shown in fig. 2 and 6, a fixed block 22 is fixedly mounted at an end of a drilling tool 4 facing a placement body 2, the fixed block 22 is a hollow cylinder, a drill 21 of the drilling tool 4 extends out from a through hole at the center of the fixed block 22, a dust suction assembly 6 includes a driven cover 61 which is fixedly mounted on a side wall of the fixed block 22 and has an unclosed end, an opening of the driven cover 61 faces a brake pad blank 5, a dust accumulation filter 62 for adsorbing particles generated by drilling is mounted on an inner wall of the driven cover 61, a sanding block 20 is fixedly mounted on a side wall of the end of the drill 21 located in the driven cover 61, a drainage fan 63 is fixedly mounted between the sanding block 20 and the fixed block 22 on a side wall of the fixed block 22, a first spring 12 for connecting the driven cover 61 and the drilling tool 4 is mounted on the side wall of the fixed block 22, after the open end of the driven cover 61 is attached to the brake pad blank 5, the drilling tool 4 drives the drill 21 to rotate to drill the brake pad blank 5, the drill 21 drives the drainage fan 63 to rotate to drain the particles generated by the drainage to the sanding block 62, and the drill 21 is pressed by the sanding block 20, and then the burr of the brake pad blank 5 is attached to the brake pad blank 5.

Further, as shown in fig. 3-4, an L-shaped connecting rod 10 is fixedly installed at the bottom of the drilling tool 4, a hydraulic cylinder 11 is fixedly installed on the outer wall of the bearing table 1 facing the drilling tool 4, the other end of the L-shaped connecting rod 10 abuts against the hydraulic cylinder 11, when the drilling tool 4 moves towards the brake pad blank 5, the L-shaped connecting rod 10 abuts against the hydraulic cylinder 11, so that the hydraulic cylinder 11 drives the transmission assembly 8 to operate, a fixing plate 13 serving as a base for supporting is fixedly installed in the bearing table 1 along the horizontal direction, and two pipe clamps 19 for limiting the driven pipe 81 are installed on the fixing plate 13.

As shown in fig. 4, the transmission assembly 8 includes a hollow passive tube 81 which is axially and rotatably mounted on the tube clamp 19 and has an open end, a fixed tube 82 mounted in the passive tube 81, a movable rod 83 which has one end fixedly mounted on the hydraulic cylinder 11 and the other end extending into the passive tube 81, and a second bevel gear 84 which is fixedly mounted on one end of the passive tube 81 opposite to the hydraulic cylinder 11, wherein the inner wall of the fixed tube 82 is threaded, and the movable rod 83 includes a first sliding rod 831, a threaded rod 832 which is in threaded engagement with the fixed tube 82, and a second sliding rod 833, and when the hydraulic cylinder 11 is pushed by the L-shaped link 10, the movable rod 83 is driven to move toward the center of the plummer 1 along the axial line direction of the passive tube 81, and after the threaded rod 832 is engaged with the threads on the fixed tube 82, the hydraulic cylinder 11 continues to push the movable rod 83, so that the fixed tube 82 rotates, the fixed tube 82 drives the passive tube 81 to rotate, and the second bevel gear 84 is driven by the tube 81 to rotate.

As shown in fig. 3-5, the threaded rod 832 is located between the first sliding rod 831 and the second sliding rod 833, the first sliding rod 831 and the hydraulic cylinder 11 are fixed together, the center of the fixing plate 13 is axially and rotatably installed with a first bevel gear 18 engaged with the second bevel gear 84, the first bevel gear 18 is fixedly installed with a lead screw 14 along the vertical direction, the bottom surface in the placing body 2 is fixedly installed with the cylinder 15, the top end of the lead screw 14 extends into the cylinder 15, after the hydraulic cylinder 11 is pushed by the L-shaped connecting rod 10, the hydraulic cylinder 11 drives the movable rod 83 to move towards the center of the plummer 1 along the axial line direction of the passive pipe 81, after the threaded rod 832 is engaged with the threads on the fixed pipe 82, the hydraulic cylinder 11 continues to push the movable rod 83, so that the fixed pipe 82 rotates, the fixed pipe 82 drives the passive pipe 81 to rotate, the passive pipe 81 drives the second bevel gear 84 to rotate, the second bevel gear 84 drives the engaged first bevel gear 18 to rotate, and the first bevel gear 18 drives the lead screw 14 to descend, so that the inside of the cylinder 15 is in a negative pressure state.

As shown in fig. 3, a moving rod 16 is movably mounted on one side of the air cylinder 15 facing the brake pad blank 5, a second spring 17 connecting the air cylinder 15 and the two-way motor 71 is mounted on a side wall of the moving rod 16, the polishing assembly 7 includes the two-way motor 71 fixedly mounted on the other end of the moving rod 16, two polishing rollers 72 are symmetrically mounted on upper and lower sides of the two-way motor 71, when the screw rod 14 moves downward, the air cylinder 15 is in a negative pressure state, the moving rod 16 moves towards the air cylinder 15 to drive the two-way motor 71 to move towards the air cylinder 15 to press the second spring 17, when the screw rod 14 moves upward, the air cylinder 15 returns to a normal state, the second spring 17 pushes the two-way motor 71 to drive it to move towards the brake pad blank 5, and after the two polishing rollers 72 extend into the through slot 23 and are tangent to the brake pad blank 5, the two polishing rollers 72 are driven by the two-way motor 71 to rotate to polish the inner side of the brake pad blank 5.

As shown in fig. 1, a limiting plate 3 is fixedly mounted at the top of the bearing table 1, and the limiting plate 3 is used for fixing a brake pad blank 5 so as to facilitate drilling and grinding.

The working principle is as follows: when the drilling tool 4 moves towards the brake pad blank 5, the L-shaped connecting rod 10 pushes against the hydraulic cylinder 11 to drive the movable rod 83 to move towards the center of the bearing platform 1, after the threaded rod 832 is meshed with the threads on the fixed pipe 82, the movable rod 83 continues to move, the fixed pipe 82 meshed with the threaded rod 832 is driven to rotate by the threaded rod 832, the fixed pipe 82 drives the driven pipe 81 to rotate, the driven pipe 81 drives the second bevel gear 84 to rotate, the second bevel gear 84 drives the first bevel gear 18 meshed with the second bevel gear to rotate, the first bevel gear 18 drives the lead screw 14 to descend, after the lead screw 14 descends, the cylinder 15 is in a negative pressure state, the movable rod 16 moves towards the cylinder 15 to drive the bidirectional motor 71 to move towards the cylinder 15, the bidirectional motor 71 drives the two grinding rollers 72 to be far away from the brake pad blank 5, at this time, the second spring 17 is in a compressed state, after the driven cover 61 is attached to the brake pad blank 5, the drilling tool 4 drives the drilling tool 21 to rotate to punch holes, the drilling tool 21 extends into the brake pad blank 5, the drilling tool 12 is extruded in a compressed state, the drilling tool 21 is driven by the fan 21 to synchronously rotate, and the drilling tool 21 to drain accumulated dust particles on the outside of the drilling tool blank 5, and the drilling tool 21 to drain the drilling tool 21, and the drilling tool to drain the drilling tool blank 20; after the outer side of the brake pad blank 5 is machined, the drilling tool 4 is far away from the brake pad blank 5 to drive the L-shaped connecting rod 10 to be far away from the hydraulic cylinder 11, the hydraulic cylinder 11 drives the movable rod 83 to be far away from the bearing table 1, after the threaded rod 832 is meshed with the thread on the fixed pipe 82, the movable rod 83 continues to move, the meshed threaded rod 832 and the fixed pipe 82 drive the driven pipe 81 to rotate in the reverse direction, the driven pipe 81 drives the second bevel gear 84 to rotate in the reverse direction, the second bevel gear 84 drives the first bevel gear 18 meshed with the first bevel gear to rotate in the reverse direction, the first bevel gear 18 drives the screw rod 14 to ascend, the screw rod 14 enables the cylinder 15 to return to a normal state after ascending, the second spring 17 pushes the two-way motor 71 to drive the movable rod 16 to move towards the brake pad blank 5, and after the two grinding rollers 72 extend into the through groove 23 and are tangent to the brake pad blank 5, the two-way motor 71 drives the grinding rollers 72 to rotate to grind the inner side of the brake pad blank 5.

The above embodiments are only exemplary embodiments of the present invention, and are not intended to limit the present invention, and the scope of the present invention is defined by the claims. Various modifications and equivalents of the invention may be made by those skilled in the art within the spirit and scope of the invention, and such modifications and equivalents should also be considered as falling within the scope of the invention.

Claims

1. The utility model provides a drum piece drilling burring device of stopping which characterized in that: including plummer (1), rotate and set up in plummer (1) top place body (2), place in place brake block blank (5) of body (2) side and drilling tool (4) that remove along the horizontal direction, its characterized in that: the polishing assembly (7) used for polishing burrs on the inner side of the brake pad blank (5) is arranged in the placing body (2), the transmission assembly (8) used for driving the polishing assembly (7) and the drilling tool (4) to move synchronously along the horizontal direction in the drilling range of the brake pad blank (5) is arranged in the bearing table (1), the dust absorption assembly (6) used for absorbing dust is arranged on the drilling tool (4), the dust absorption assembly (6) moves along the horizontal direction, the drilling tool (4) is provided with a fixed block (22) towards one end of the placing body (2), a first spring (12) is arranged on the side wall of the fixed block (22), a driven cover (61) with one unsealed end is fixedly arranged on the fixed block (22) relative to one end of the drilling tool (4), the driven cover (61) is provided with a dust accumulation cover (62) towards the inner wall of one end of the fixed block (22), a drill bit (21) is arranged on the fixed block (22) in an axial rotation mode, a sand polishing pad (20) and a drilling tool (63) which are positioned in the driven cover (61) respectively and a drainage type connecting rod (10) are arranged on the side wall of the bearing table (1), and a drainage type connecting rod (10) is arranged on the fixed block (4), a fixed plate (13) is fixedly installed in the bearing table (1), a pipe clamp (19) is fixedly installed on the fixed plate (13), the transmission assembly (8) comprises a driven pipe (81) which is rotatably arranged on the pipe clamp (19), a fixed pipe (82) is fixedly installed on the inner wall of the driven pipe (81), a thread is formed on the inner wall of the fixed pipe (82), a movable rod (83) is arranged on the hydraulic cylinder (11), one end of the movable rod (83) extends into the driven pipe (81), the movable rod (83) comprises a threaded rod (832) matched with the thread of the fixed pipe (82), a first sliding rod (831) and a second sliding rod (833) are fixedly installed on one end, facing the hydraulic cylinder (11), of the threaded rod (832), of the driven pipe (81) is fixedly installed with a second bevel gear (84) relative to one end of the hydraulic cylinder (11), a first bevel gear (18) meshed with the second bevel gear (84) is axially rotatably arranged on the fixed plate (13), a moving rod (15) which is arranged above the screw rod (14) and a cylinder (15) and is arranged on the side wall of the first bevel gear (18), be provided with second spring (17) on the lateral wall of carriage release lever (16), carriage release lever (16) have two-way motor (71) for the one end fixed mounting of cylinder (15), subassembly (7) of polishing include about two-way motor (71) symmetry set up dull polish roller (72), set up logical groove (23) with dull polish roller (72) looks adaptation on the lateral wall of the body of placing (2).

2. The drum brake sheet drilling and deburring device of claim 1, wherein: the top of plummer (1) is provided with limiting plate (3) that fixed brake block blank (5) were used.