CN111958416A

CN111958416A - Outer arc grinding machine for automobile drum brake pad

Info

Publication number: CN111958416A
Application number: CN202010837804.2A
Authority: CN
Inventors: 宦传方
Original assignee: Jiangsu Fangyi Auto Parts Manufacturing Co ltd
Current assignee: Jiangsu Fangyi Auto Parts Manufacturing Co ltd
Priority date: 2020-08-19
Filing date: 2020-08-19
Publication date: 2020-11-20

Abstract

The invention discloses an automobile drum brake pad outer arc grinding machine, which comprises a supporting plate, wherein supporting columns are vertically arranged at four corners of the bottom of the supporting plate, a buffer mechanism is arranged at the bottom of each supporting column, a transverse plate is transversely arranged between the inner sides of the supporting columns, a dust collection box is arranged at the right end of the top of the transverse plate, and a first driving motor is arranged at the left end of the bottom of the supporting plate. The practicability of the device is improved.

Description

Outer arc grinding machine for automobile drum brake pad

Technical Field

The invention relates to the technical field of manufacturing industry, in particular to an outer arc grinding machine for an automobile drum brake pad.

Background

The automobile is the indispensable vehicle among the daily life, and drum brake block in the automobile is the wearing parts of automobile advancing in-process, owing to need regular maintenance and change, therefore the demand is very big, because brake block abrasive machining requires rigorously, and present extrados surface need be ground into the plain noodles, therefore the grinding machine should be pregnant and give birth to, but current grinding machine still has certain problem, and specific problem is as follows:

the traditional grinding machine has a fixed grinding head structure, the grinding machine can only process brake pads with fixed thickness, the processing precision of the brake pads with different thicknesses is difficult to control, and the traditional grinding machine is easy to vibrate in work, so that the grinding machine is easy to shake in work, parts are loose due to long-term use, and the service life of the grinding machine is shortened.

Disclosure of Invention

The invention aims to provide an outer arc grinding machine for an automobile drum brake pad, which aims to solve the problems in the background technology.

In order to achieve the purpose, the invention provides the following technical scheme: an automobile drum brake pad outer arc grinding machine comprises a supporting plate, wherein supporting columns are vertically arranged at four corners of the bottom of the supporting plate, a buffer mechanism is arranged at the bottoms of the supporting columns, a transverse plate is transversely arranged between the inner sides of the supporting columns, a dust collection box is arranged at the right end of the top of the transverse plate, a first driving motor is arranged at the left end of the bottom of the supporting plate, a rotary disc is arranged at the power output end of the first driving motor through a rotary shaft, a drum brake pad is arranged at the top of the rotary disc, a positioning mechanism is arranged at one end, close to the rotary disc, of the top of the supporting plate, a negative pressure fan is arranged at one end, close to the first driving motor, of the bottom of the supporting plate, a material guide pipe is arranged at the bottom of the negative pressure fan, the right end of the material guide pipe extends into, control panel is installed at the top of mount pad, electric putter is installed to the left end of mount pad, electric putter keeps away from the one end of mount pad and installs the movable plate, the bottom of movable plate is provided with the slider, the slide rail that matches each other with the slider is seted up at the top of backup pad inner chamber, the right-hand member spiro union at movable plate top has second driving motor, the belt pulley is installed through the pivot to second driving motor's power take off end, the belt pulley is close to the one end of carousel and installs the casing, the one end that the belt pulley was kept away from to the casing is installed and is beaten the dish, control panel's output is respectively through wire and first driving motor, negative-pressure air fan, electric putter and second driving motor.

Preferably, buffer gear includes first buffer spring, activity post, dog, lug, second buffer spring, buffer block, sliding sleeve, slide bar and cavity, buffer gear's activity post is located the bottom of support column, the outer wall cover of activity toe portion is equipped with the cavity, be provided with first buffer spring between cavity and the support column, and first buffer spring cover is established on the outer wall of activity post, the both ends symmetry is provided with the dog about activity toe portion, and the dog is located the inner chamber of cavity, the bottom of activity post is provided with the lug, the slide bar is transversely installed to the bottom of cavity inner chamber, the sliding sleeve is installed to the both ends symmetry slidable about the slide bar outer wall, the buffer block is all installed at the top of sliding sleeve, and buffer block and lug offset, be provided with second buffer spring between buffer block and the cavity.

Based on above-mentioned technical characteristics, extrude first buffer spring when the movable column moves down, carry out preliminary buffering, the lug supports the buffer block simultaneously, turns into the buffer block at the power of horizontal direction with the power of vertical direction, extrudees second buffer spring, further reaches the buffering effect for the grinding machine is more steady at the during operation, avoids vibrations to cause the part loose, thereby has prolonged the life of grinding machine.

Preferably, the bottom of the buffer mechanism is provided with a roller, and the outer wall of the roller is provided with a brake pad.

Based on the technical characteristics, the device is convenient to move at will, the flexibility of the device is improved, the brake block is convenient to fix the device, and the rolling condition is avoided during use.

Preferably, the front surface of the dust collection box is provided with a door body through a hinge shaft, and one end of the front surface of the door body, which is far away from the hinge shaft, is provided with a door handle.

Based on the technical characteristics, the door handle is convenient to hold and the door body is opened to uniformly clean the inner cavity of the dust collection box.

Preferably, positioning mechanism includes fixing base, positioning spring and splint, positioning mechanism's fixing base is located the top of backup pad, the one end equidistant of fixing base near the carousel is provided with positioning spring, positioning spring keeps away from the one end of fixing base and installs splint.

Based on above-mentioned technical characteristics, be convenient for with the fixed centre gripping of drum brake piece, the drum brake piece of convenient fixed different specifications appears the condition of displacement when avoiding polishing, has reduced the quality of polishing.

Preferably, the inner chamber of casing is vertical installs the montant, the top and the bottom symmetry of montant outer wall are provided with the stopper, install the fixture block between the stopper inboard, the one end that the stopper was kept away from to the fixture block is provided with reset spring, and reset spring and fixture block all overlap and establish on the outer wall of montant, the right-hand member of polishing set inner chamber is provided with the draw-in groove that matches each other with the fixture block.

Based on above-mentioned technical characteristics, press the fixture block for the fixture block breaks away from the inner chamber of draw-in groove to reset spring extrusion, conveniently dismantles and changes the mill.

Compared with the prior art, the invention has the beneficial effects that:

(1) the positioning spring is extruded, the clamping plates are pushed to be close to the fixing seat, so that the distance between the clamping plates is increased, the drum brake pads are placed on the rotary table, then the clamping plates are loosened, the fixing seat is quickly reset under the elastic action of the positioning spring to fixedly clamp the drum brake pads, the drum brake pads of different specifications are conveniently fixed, meanwhile, the clamping blocks are pressed, the clamping blocks are extruded by the resetting spring until the clamping blocks are separated from the inner cavity of the clamping groove, the polishing disc is conveniently detached and replaced, therefore, the device can polish the drum brake pads of different specifications, and the practicability of the device is improved;

(2) grinding machine when the in-process of work produces vibrations, transmit the vibrations power for the activity post through the support column earlier, extrude first buffer spring during activity post rebound, carry out preliminary buffering, the activity post continues to transmit power for the lug for the downward, the lug supports the buffer block, turn into the power of buffer block at the horizontal direction with the power of vertical direction, this share of power slides under the cooperation of sliding sleeve and slide bar and offsets, extrude second buffer spring simultaneously, further reach the buffering effect, make the grinding machine more steady at the during operation, it is loose to avoid vibrations to cause the part, thereby the life of grinding machine has been prolonged.

Description of the drawings:

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

FIG. 1 is a schematic sectional view of the present invention

FIG. 2 is a schematic top view of the present invention

FIG. 3 is an enlarged view of the structure at A in FIG. 1;

FIG. 4 is an enlarged view of the structure at B in FIG. 1;

fig. 5 is a front view schematically illustrating the dust box of the present invention.

In the figure: 1. a turntable; 2. a positioning mechanism; 201. a fixed seat; 202. a positioning spring; 203. a splint; 3. a support plate; 4. a first drive motor; 5. a roller; 6. a negative pressure fan; 7. a material guide pipe; 8. a slider; 9. a dust collection box; 10. a transverse plate; 11. a support pillar; 12. a slide rail; 13. an electric push rod; 14. a mounting seat; 15. moving the plate; 16. a second drive motor; 17. a belt pulley; 18. grinding disc; 19. a through hole; 20. a drum brake pad; 21. a control panel; 22. a clamping block; 23. a limiting block; 24. a return spring; 25. a vertical rod; 26. a housing; 27. a card slot; 28. a buffer mechanism; 2801. a first buffer spring; 2802. a movable post; 2803. a stopper; 2804. a bump; 2805. a second buffer spring; 2806. a buffer block; 2807. a sliding sleeve; 2808. a slide bar; 2809. a cavity; 29. a door handle; 30. a door body.

The specific implementation mode is as follows:

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, an embodiment of the present invention is shown: an outer arc grinding machine for an automobile drum brake pad comprises a supporting plate 3, supporting columns 11 are vertically arranged at four corners of the bottom of the supporting plate 3, a buffer mechanism 28 is arranged at the bottom of each supporting column 11, each buffer mechanism 28 comprises a first buffer spring 2801, a movable column 2802, a stop block 2803, a bump 2804, a second buffer spring 2805, a buffer block 2806, a sliding sleeve 2807, a sliding rod 2808 and a cavity 2809, the movable column 2802 of each buffer mechanism 28 is located at the bottom of the corresponding supporting column 11, the outer wall of the bottom of the corresponding movable column 2802 is sleeved with the corresponding cavity 2809, the first buffer spring 2801 is arranged between the cavity 2809 and the supporting column 11, the first buffer spring 2801 is sleeved on the outer wall of the corresponding movable column 2802, the stop blocks 2803 are symmetrically arranged at the left end and the right end of the bottom of the corresponding movable column 2802, the bottom of the corresponding movable column 2802 is provided with the bump 2804, the bottom of the inner cavity 2809 is transversely provided with the bottom of the inner cavity 280, the top of the sliding sleeve 2807 is provided with a buffer block 2806, the buffer block 2806 abuts against a bump 2804, a second buffer spring 2805 is arranged between the buffer block 2806 and the cavity 2809, the bottom of the buffer mechanism 28 is provided with a roller 5, the outer wall of the roller 5 is provided with a brake pad, a transverse plate 10 is transversely arranged between the inner sides of the supporting columns 11, the right end of the top of the transverse plate 10 is provided with a dust collection box 9, the front of the dust collection box 9 is provided with a door body 30 through a hinge shaft, one end of the front of the door body 30, which is far away from the hinge shaft, is provided with a door handle 29, the left end of the bottom of the supporting plate 3 is provided with a first driving motor 4, the power output end of the first driving motor 4 is provided with a rotating plate 1 through a rotating shaft, the top of the rotating plate 1 is provided with a drum brake pad 20, one end of the top of the supporting plate, one end of the fixed seat 201 close to the turntable 1 is provided with positioning springs 202 at equal intervals, one end of the positioning springs 202 far away from the fixed seat 201 is provided with a clamping plate 203, one end of the bottom of the support plate 3 close to the first driving motor 4 is provided with a negative pressure fan 6, the bottom of the negative pressure fan 6 is provided with a material guide pipe 7, the right end of the material guide pipe 7 extends into the inner cavity of the dust collection box 9, one end of the inner cavity of the support plate 3 close to the negative pressure fan 6 is provided with a through hole 19, the right end of the top of the support plate 3 is fixed with a mounting seat 14, the top of the mounting seat 14 is provided with a control panel 21, the left end of the mounting seat 14 is provided with an electric push rod 13, one end of the electric push rod 13 far away from the mounting seat 14 is provided with a movable plate 15, the bottom of the, a belt pulley 17 is mounted at the power output end of the second driving motor 16 through a rotating shaft, a housing 26 is mounted at one end of the belt pulley 17 close to the turntable 1, a polishing disc 18 is mounted at one end of the housing 26 far away from the belt pulley 17, a vertical rod 25 is vertically mounted in the inner cavity of the housing 26, limiting blocks 23 are symmetrically arranged at the top and the bottom of the outer wall of the vertical rod 25, a clamping block 22 is mounted between the inner sides of the limiting blocks 23, a return spring 24 is arranged at one end of the clamping block 22 far away from the limiting block 23, the return spring 24 and the clamping block 22 are both sleeved on the outer wall of the vertical rod 25, a clamping groove 27 mutually matched with the clamping block 22 is arranged at the right end of the inner cavity of the polishing disc 18, the output end of the control panel 21 is respectively electrically connected with the input ends of the first driving motor 4, the negative pressure fan 6, the electric push rod, the electric putter 13 may be of the type IP66 and the second driving motor 16 may be of the type Y112M-6.

The working principle is as follows: when the device is used, the grinding machine is moved to a proper position by using the roller 5, the brake pad is opened to fix and lock the grinding machine, the rolling condition is avoided when the device is used, an external power supply is used for extruding the positioning spring 202 to push the clamping plate 203 to approach the fixing seat 201, so that the distance between the clamping plates 203 is increased, the drum brake pad 20 is placed on the turntable 1, then the clamping plate 203 is loosened, the fixing seat 201 is quickly reset by the elastic action of the positioning spring 202 to fix and clamp the drum brake pad 20, the drum brake pads 20 with different specifications are conveniently fixed, the drum brake pads 20 are prevented from loosening, the polishing effect is influenced, meanwhile, the fixture block 22 is pressed to extrude the reset spring 24 by the fixture block 22 until the fixture block 22 is separated from the inner cavity of the clamping groove 27, the polishing disc 18 is conveniently detached and replaced, so that the device can polish the drum brake pads 20 with different specifications, and then, the first driving motor 4 is rotated to drive the turntable 1 to rotate, so that the drum brake pad 20 rotates, the control panel 21 controls the electric push rod 13 to start, the electric push rod 13 pushes the movable plate 15 to move to the side of the fixed drum brake pad 20 along the slide rail 12 through the slide block 8, the second driving motor 16 starts to drive the belt pulley 17 to rotate, the belt pulley 17 drives the polishing disc 18 to rotate to polish the drum brake pad 20, the control panel 21 controls the negative pressure fan 6 to start, the negative pressure fan 6 pumps the fragments into the inner cavity of the material guide pipe 7 through the through hole 19, so that the fragments can be intensively discharged into the inner cavity of the dust collection box 9 to be uniformly collected, the fragments are prevented from flying upward and causing environmental pollution, when the grinding machine generates vibration in the working process, the vibration force is firstly transmitted to the movable column 2802 through the support column 11, and the first buffer spring 2801 is extruded when the movable column 280, carry out preliminary buffering, activity post 2802 continues to transmit power for lug 2804 downwards, lug 2804 supports buffer block 2806, turn into buffer block 2806 the power of vertical direction at the horizontal direction, this power slides under the cooperation of sliding sleeve 2807 and slide bar 2808 and offsets, extrude second buffer spring 2805 simultaneously, further reach buffering effect, make the grinding machine more steady at the during operation, it is loose to avoid vibrations to cause the part, thereby the life of grinding machine has been prolonged.

It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein, and any reference signs in the claims are not intended to be construed as limiting the claim concerned.

Claims

1. The utility model provides an outer arc grinding machine of car drum brake piece, includes backup pad (3), its characterized in that: the dust collection and air purification device is characterized in that support columns (11) are vertically mounted at four corners of the bottom of the support plate (3), a buffer mechanism (28) is mounted at the bottom of each support column (11), transverse plates (10) are transversely mounted between the inner sides of the support columns (11), a dust collection box (9) is mounted at the right end of the top of each transverse plate (10), a first driving motor (4) is mounted at the left end of the bottom of the support plate (3), a rotary plate (1) is mounted at the power output end of the first driving motor (4) through a rotary shaft, drum brake pads (20) are mounted at the top of the rotary plate (1), a positioning mechanism (2) is mounted at one end, close to the rotary plate (1), of the top of the support plate (3), a negative pressure fan (6) is mounted at one end, close to the first driving motor (4), the right end of the material guide pipe (7) extends into the inner cavity of the dust collection box (9), a through hole (19) is formed in one end, close to the negative pressure fan (6), of the inner cavity of the support plate (3), a mounting seat (14) is fixed to the right end of the top of the support plate (3), a control panel (21) is installed at the top of the mounting seat (14), an electric push rod (13) is installed at the left end of the mounting seat (14), a movable plate (15) is installed at one end, far away from the mounting seat (14), of the electric push rod (13), a sliding block (8) is arranged at the bottom of the movable plate (15), a sliding rail (12) matched with the sliding block (8) is formed in the top of the inner cavity of the support plate (3), a second driving motor (16) is connected to the right end of the top of the movable plate (15) in a threaded mode, the utility model discloses a quick-witted, including belt pulley (17), casing (26) are installed to the one end that belt pulley (17) are close to carousel (1), casing (26) are kept away from the one end of belt pulley (17) and are installed and are beaten mill (18), the output of control panel (21) is respectively through the input electric connection of wire and first driving motor (4), negative-pressure air fan (6), electric putter (13) and second driving motor (16).

2. The grinding machine for the outer arc of the automobile drum brake pad according to claim 1, characterized in that: the buffer mechanism (28) comprises a first buffer spring (2801), a movable column (2802), a stop block (2803), a lug (2804), a second buffer spring (2805), a buffer block (2806), a sliding sleeve (2807), a sliding rod (2808) and a cavity (2809), wherein the movable column (2802) of the buffer mechanism (28) is positioned at the bottom of a supporting column (11), the outer wall of the bottom of the movable column (2802) is sleeved with the cavity (2809), the first buffer spring (2801) is arranged between the cavity (2809) and the supporting column (11), the first buffer spring (2801) is sleeved on the outer wall of the movable column (2802), the stop blocks (2803) are symmetrically arranged at the left end and the right end of the bottom of the movable column (2802), the stop block (2803) is positioned in the inner cavity of the cavity (2809), the lug (2804) is arranged at the bottom of the movable column (2802), and the sliding rod (2808) is transversely arranged at the bottom of the inner cavity (280, sliding sleeves (2807) are symmetrically and slidably mounted at the left end and the right end of the outer wall of the sliding rod (2808), buffer blocks (2806) are mounted at the tops of the sliding sleeves (2807), the buffer blocks (2806) abut against the convex blocks (2804), and second buffer springs (2805) are arranged between the buffer blocks (2806) and the cavity (2809).

3. The grinding machine for the outer arc of the automobile drum brake pad according to claim 1, characterized in that: the bottom of buffer gear (28) all installs gyro wheel (5), be provided with the brake block on the outer wall of gyro wheel (5).

4. The grinding machine for the outer arc of the automobile drum brake pad according to claim 1, characterized in that: the front surface of the dust collection box (9) is provided with a door body (30) through a hinge shaft, and one end of the front surface of the door body (30) far away from the hinge shaft is provided with a door handle (29).

5. The grinding machine for the outer arc of the automobile drum brake pad according to claim 1, characterized in that: positioning mechanism (2) include fixing base (201), positioning spring (202) and splint (203), fixing base (201) of positioning mechanism (2) are located the top of backup pad (3), the one end that fixing base (201) are close to carousel (1) is equidistant to be provided with positioning spring (202), splint (203) are installed to the one end that fixing base (201) were kept away from in positioning spring (202).

6. The grinding machine for the outer arc of the automobile drum brake pad according to claim 1, characterized in that: vertical montant (25) of installing of inner chamber of casing (26), the top and the bottom symmetry of montant (25) outer wall are provided with stopper (23), install fixture block (22) between stopper (23) inboard, the one end that stopper (23) were kept away from in fixture block (22) is provided with reset spring (24), and reset spring (24) and fixture block (22) all overlap and establish on the outer wall of montant (25), the right-hand member of polishing dish (18) inner chamber is provided with draw-in groove (27) of matcing each other with fixture block (22).