阅读说明：本技术 一种汽车鼓式刹车片外弧磨床 (Outer arc grinding machine for automobile drum brake pad ) 是由 罗加斌 金超 陈杰 于 2019-11-09 设计创作，主要内容包括：本发明公开了一种汽车鼓式刹车片外弧磨床,包括底座,所述底座顶端固定连接有第一支撑架,所述第一支撑架顶端通过螺栓固定连接有工作台,所述工作台中心位置处开设有通孔,所述工作台底端对应通孔位置处固定连接有旋转电机,所述旋转电机输出轴连接有转盘,所述转盘顶端固定连接有固定杆,所述固定杆外端套接有盖板,所述固定杆外端对应盖板一侧螺纹连接有固定螺母,本实用设置有转盘、固定杆、盖板和固定螺母,通过转盘带动鼓式刹车片转动,从而打磨鼓式刹车片的外弧面,通过固定螺母拧紧固定盖板,使盖板和转盘夹紧,固定鼓式刹车片,避免转盘旋转时,鼓式刹车片甩出松动,影响外弧面的打磨效果。(The invention discloses an outer arc grinding machine for automobile drum brake pads, which comprises a base, wherein a first support frame is fixedly connected to the top end of the base, a workbench is fixedly connected to the top end of the first support frame through a bolt, a through hole is formed in the center of the workbench, a rotary motor is fixedly connected to the bottom end of the workbench corresponding to the through hole, an output shaft of the rotary motor is connected with a rotary table, a fixed rod is fixedly connected to the top end of the rotary table, a cover plate is sleeved at the outer end of the fixed rod, a fixed nut is in threaded connection with one side of the cover plate corresponding to the outer end of the fixed rod, the rotary table, the fixed rod, the cover plate and the fixed nut are arranged, the drum brake pads are driven to rotate through the rotary table, so that the outer arc surfaces of the drum brake pads are ground, the, the drum brake block is thrown out and loosened, and the polishing effect of the outer arc surface is influenced.)

1. The utility model provides an outer arc grinding machine of car drum brake piece, includes base (1), its characterized in that: the top end of the base (1) is fixedly connected with a first support frame (2), the top end of the first support frame (2) is fixedly connected with a workbench (3) through a bolt, a through hole (4) is formed in the center of the workbench (3), a rotating motor (5) is fixedly connected to the bottom end of the workbench (3) corresponding to the through hole (4), an output shaft of the rotating motor (5) is connected with a turntable (6), a fixed rod (7) is fixedly connected to the top end of the turntable (6), a cover plate (8) is sleeved at the outer end of the fixed rod (7), and a fixed nut (9) is in threaded connection with one side, corresponding to the cover plate (8), of the outer end of;

the two ends of the workbench (3) are symmetrically and fixedly connected with fixing plates (10), the central positions of the two fixing plates (10) are respectively and movably connected with connecting rods (12), one ends of the two connecting rods (12) are respectively and fixedly connected with limiting plates (13), one ends of the two connecting rods (12) far away from the limiting plates (13) are respectively and fixedly connected with nuts (14) through threads, the position of the top end of the base (1) corresponding to one end of the first supporting frame (2) is fixedly connected with a second supporting frame (15), the top end of the second supporting frame (15) is fixedly connected with a supporting plate (17), the top end of the supporting plate (17) is symmetrically and fixedly connected with sliding rails (18), the top end of the supporting plate (17) corresponding to the inner side of the sliding rails (18) is fixedly connected with a fixing block (, the utility model discloses a polishing machine, including telescopic link (20), slide rail (18), grinding table (21) top fixedly connected with grinding motor (22), grinding motor (22) output shaft has grinding disc (23), telescopic link (20) other end and backup pad (17) one end fixed connection, slide rail (18) top sliding connection has grinding table (21), grinding table (21) top fixedly connected with grinding motor (22), grinding motor (22) output.

2. The grinding machine for the outer arc of the automobile drum brake pad according to claim 1, characterized in that: the diameter of the rotary table (6) is equal to that of the cover plate (8), and a gap is reserved between the rotary table (6) and the workbench (3).

3. The grinding machine for the outer arc of the automobile drum brake pad according to claim 1, characterized in that: the connecting rod (12) is provided with threads on one surface positioned on the outer side of the fixing plate (10), and the height of the fixing plate (10) is greater than that of the limiting plate (13).

4. The grinding machine for the outer arc of the automobile drum brake pad according to claim 1, characterized in that: one end of the grinding table (21) close to the grinding disc (23) is fixedly connected with a protection plate (16), and the height of the protection plate (16) is larger than the diameter of the grinding disc (23).

5. The grinding machine for the outer arc of the automobile drum brake pad according to claim 1, characterized in that: base (1) top corresponds first support frame (2) inboard and has seted up spout (24), spout (24) inside sliding connection has slider (25), slider (25) top fixedly connected with containing box (26), bin outlet (27) have been seted up to workstation (3) bottom correspondence containing box (26) position department.

6. The grinding machine for the outer arc of the automobile drum brake pad according to claim 5, is characterized in that: one end of the containing box (26) is fixedly connected with a handle (11), and anti-skid grains are formed in the surface of the handle (11).

7. The grinding machine for the outer arc of the automobile drum brake pad according to claim 1, characterized in that: the input ends of the rotating motor (5) and the grinding motor (22) are electrically connected with the output end of an external power supply.

Technical Field

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

Background

The drum-type automobile brake block is one of the components used for installation, the friction arc surface of the drum-type brake block needs to be finished through grinding, in the production of the brake block, the inner arc surface and the outer arc surface of the brake block are polished, for example, an outer arc grinding machine of the drum-type automobile brake block in the prior published technology is disclosed in the application number (201520671126.1), the drum-type automobile brake block is fixed through a workbench, the drum-type brake block is driven to rotate through a hub motor, a grinding motor is driven to move through a driving motor, and the drum-type automobile brake block is polished;

however, in this patent, the drum brake fixed on the worktable is unstable, and during the rotary grinding, the grinding motor is easy to make the brake deviate, which affects the grinding effect, and meanwhile, the ground fragments splash everywhere, which affects the surrounding working environment, so we need to provide a new type of grinder for the outer arc of the drum brake of the automobile to avoid the above technical problems, so as to overcome the above-mentioned defects in the prior art.

Disclosure of Invention

The invention provides an outer arc grinding machine for an automobile drum brake pad, which can effectively solve the problem of working environment that the drum brake pad fixed on a workbench is unstable, a grinding motor easily deflects the brake pad during rotary grinding to influence the grinding effect, and ground scraps splash everywhere.

In order to achieve the purpose, the invention provides the following technical scheme: an outer arc grinding machine for automobile drum brake pads comprises a base, wherein a first support frame is fixedly connected to the top end of the base, a workbench is fixedly connected to the top end of the first support frame through bolts, a through hole is formed in the center of the workbench, a rotating motor is fixedly connected to the bottom end of the workbench corresponding to the through hole, an output shaft of the rotating motor is connected with a turntable, a fixed rod is fixedly connected to the top end of the turntable, a cover plate is sleeved at the outer end of the fixed rod, and a fixing nut is connected to one side of the outer end of the fixed rod corresponding to the cover;

the workstation both ends symmetry fixedly connected with fixed plate, two fixed plate central point department of putting is swing joint respectively has the connecting rod, two the equal fixedly connected with limiting plate of connecting rod one end, two the limiting plate one end is kept away from to the connecting rod has the nut through threaded connection respectively, the base top corresponds first support frame one end fixedly connected with second support frame of department of putting, second support frame top fixedly connected with backup pad, the inboard fixedly connected with fixed block of slide rail is corresponded in the backup pad top of telling, the fixed block is close to backup pad one end fixedly connected with telescopic link, the telescopic link other end and backup pad one end fixed connection, slide rail top fixedly connected with platform of polishing, platform top fixedly connected with grinding motor polishes, grinding motor output shaft has the polishing dish.

Preferably, the diameter of the turntable is equal to that of the cover plate, and a gap is reserved between the turntable and the workbench.

Preferably, a thread is formed on one surface, located on the outer side of the fixing plate, of the connecting rod, and the height of the fixing plate is larger than that of the limiting plate.

Preferably, the grinding table is fixedly connected with a protection plate close to one end of the grinding disc, and the height of the protection plate is larger than the diameter of the grinding disc.

Preferably, the base top corresponds first support frame inboard and has seted up the spout, the inside sliding connection of spout has the slider, slider top fixedly connected with containing box, the workstation bottom corresponds containing box position department and has seted up the bin outlet.

Preferably, one end of the storage box is fixedly connected with a handle, and anti-skid grains are formed in the surface of the handle.

The input ends of the rotating motor and the grinding motor are electrically connected with the output end of an external power supply.

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

1. be provided with carousel, dead lever, apron and fixation nut, drive the drum brake piece through the carousel and rotate to polish the extrados of drum brake piece, tighten up fixed cover plate through fixation nut, make apron and carousel press from both sides tightly, fixed drum brake piece, when avoiding the carousel rotatory, drum brake piece throws away not hard up, influences the effect of polishing of extrados.

2. Be provided with fixed plate, connecting rod, limiting plate, nut and guard plate, through connecting rod and nut, the limiting plate of being convenient for is fixed inside the fixed plate, carries on spacingly to the drum brake piece, when preventing to polish, and the drum brake piece skew improves the effect of polishing, and the limiting plate can be adjusted according to the size of drum brake piece simultaneously, guarantees spacing effect, through fixed plate and guard plate, and the piece that produces when preventing to polish splashes.

3. Be provided with spout, slider, containing box, bin outlet and handle, the piece discharge that the bin outlet will be polished is collected the piece through the containing box and is stored, pulls out the containing box along the spout through the handle, and the centralized processing of being convenient for polishes the piece that leaves, and is simple convenient, simultaneously, guarantees operational environment's clean and tidy degree.

Drawings

The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the principles of the invention and not to limit the invention.

In the drawings:

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

FIG. 2 is a schematic view of the mounting structure of the limiting plate of the invention;

FIG. 3 is a schematic view of the installation structure of the storage box of the present invention;

reference numbers in the figures: 1. a base; 2. a first support frame; 3. a work table; 4. a through hole; 5. a rotating electric machine; 6. a turntable; 7. fixing the rod; 8. a cover plate; 9. fixing a nut; 10. a fixing plate; 11. a handle; 12. a connecting rod; 13. a limiting plate; 14. a nut; 15. a second support frame; 16. a protection plate; 17. a support plate; 18. a slide rail; 19. a fixed block; 20. a hydraulic lever; 21. a polishing table; 22. polishing the motor; 23. grinding disc; 24. a chute; 25. a slider; 26. a storage box; 27. a discharge outlet.

Detailed Description

The preferred embodiments of the present invention will be described in conjunction with the accompanying drawings, and it will be understood that they are described herein for the purpose of illustration and explanation and not limitation.