阅读说明：本技术 一种鼓式刹车片打磨设备 (Drum brake block equipment of polishing ) 是由 龙道发 于 2021-08-05 设计创作，主要内容包括：本发明涉及刹车片制造技术领域,公开了一种鼓式刹车片打磨设备,包括机架、工件输送工位、上料架、推料座、推料驱动机构,工件输送工位包括两块托板,两块托板之间形成间隙。本发明具有以下优点和效果：推料驱动机构驱动推料座运动,推动上料架内最下方的鼓式刹车片向前运动并脱离上料架,送料压轮实现送料,多个打磨电机及打磨刀具对鼓式刹车片进行打磨加工。通过设置缓冲板,上料架内其余的鼓式刹车片从推料座上端面下降至缓冲板上端面,缓冲板上的缓冲硅胶层进一步起到缓冲,缓冲板上端面的缓冲斜面使其余鼓式刹车片逐渐下降至托板上,减少托板及机架震动,减少对加工精度的影响,自动化程度高,生产效率高,加工精度高,设备运行稳定。(The invention relates to the technical field of brake pad manufacturing, and discloses drum brake pad polishing equipment which comprises a rack, a workpiece conveying station, a feeding frame, a pushing seat and a pushing driving mechanism, wherein the workpiece conveying station comprises two supporting plates, and a gap is formed between the two supporting plates. The invention has the following advantages and effects: the material pushing driving mechanism drives the material pushing seat to move, the drum brake pad at the lowest position in the material loading frame is pushed to move forwards and break away from the material loading frame, the feeding pinch roller realizes feeding, and the plurality of polishing motors and the polishing cutters polish the drum brake pad. Through setting up the buffer board, go up all the other drum brake blocks in the work or material rest and descend to the buffer board up end from the charging stock seat up end, the buffering silica gel layer on the buffer board further plays the buffering, and the buffering inclined plane of buffer board up end makes all the other drum brake blocks descend gradually to the layer board on, reduces layer board and frame vibrations, reduces the influence to machining precision, and degree of automation is high, and production efficiency is high, and the machining precision is high, and equipment operation is stable.)

1. The drum brake pad polishing device comprises a rack (1), a workpiece conveying station (2) arranged on the rack (1), a feeding frame (6) positioned above the workpiece conveying station (2), a pushing seat (3) and a pushing driving mechanism (4) for driving the pushing seat (3) to move so as to push the drum brake pad (10) at the lowest part in the feeding frame (6) out of the feeding frame (6), wherein the workpiece conveying station (2) comprises two supporting plates (21) fixed on the rack (1), a gap (22) is formed between the two supporting plates (21), a chute (11) positioned below the supporting plates (21) is formed in the rack (1), a buffer plate (5) is arranged in the chute (11), the buffer plate (5) is hinged with a connecting rod (31), and the connecting rod (31) is hinged with the pushing seat (3) after penetrating through the gap (22), the rack (1) is provided with an inclined bracket (12), the supporting plate (21) is provided with a notch (24) located on one side of the upper material rack (6), the notch (24) is communicated with the sliding chute (11), the supporting plate (21) is provided with an inclined notch (23), the material pushing seat (3) pushes the buffer plate (5) to move forwards, the buffer plate (5) is separated from the sliding chute (11) and then is arranged on the bracket (12), when the material pushing seat (3) moves backwards to drive the buffer plate (5) to move, the buffer plate (5) passes through the notch (23) and then passes through the lower part of the upper material rack (6) along the supporting plate (21), and when the supporting plate (21) moves to the notch (24), the supporting plate (21) falls downwards and enters the sliding chute (11) again; when the buffer plate (5) is positioned on the workpiece conveying station (2), the upper end surface is lower than the upper end surface of the material pushing seat (3).

2. A drum brake lining buffing apparatus according to claim 1 in which: the upper end surface of the buffer plate (5) is lower than the upper end surface of the material pushing seat (3).

3. A drum brake lining buffing apparatus according to claim 1 or claim 2 wherein: the upper end of the buffer plate (5) is provided with an inclined buffer inclined plane (521), and one side, close to the material pushing seat (3), of the buffer inclined plane (521) is higher than the other side.

4. A drum brake lining buffing apparatus according to claim 3 in which: the buffer plate (5) comprises a plate body (51) and a buffer silica gel layer (52) fixed on the plate body (51), and the buffer inclined plane (521) is located on the upper end face of the buffer silica gel layer (52).

5. A drum brake lining buffing apparatus according to claim 1 in which: the connecting rod (31) is hinged with the front end face of the material pushing seat (3).

6. A drum brake lining buffing apparatus according to claim 1 in which: the connecting rod (31) is hinged with the end part of the buffer plate (5).

7. A drum brake lining buffing apparatus according to claim 1 in which: go up work or material rest (6) including being fixed in frame (61) of frame (1), be located four spacing (62) in frame (61), adjustment tank (611) have been seted up to frame (61), spacing (62) are fixed with adjusting screw (63), adjusting screw (63) pass adjustment tank (611), adjusting screw (63) threaded connection has two adjusting nut (64), adjusting nut (64) distribute in frame (61) inside and outside both sides.

8. A drum brake lining buffing apparatus according to claim 1 in which: the automatic feeding device is characterized in that the frame (1) is rotatably connected with a feeding shaft (7), a feeding pinch roller (71) is installed on the feeding shaft (7), the feeding pinch roller (71) is located above the workpiece conveying station (2), and a feeding driving mechanism (8) for driving the feeding shaft (7) to rotate is installed on the frame (1).

9. A drum brake lining buffing apparatus according to claim 1 in which: a plurality of grinding motors (13) are installed on the rack (1), and grinding cutters (131) are installed on output shafts of the grinding motors (13).

10. A drum brake lining buffing apparatus according to claim 1 in which: the machine frame (1) is rotatably connected with a brush hair shaft (9), brush hair (91) is fixed on the brush hair shaft (9), and the brush hair (91) is located above the workpiece conveying station (2).

Technical Field

The invention relates to the technical field of brake pad manufacturing, in particular to drum type brake pad polishing equipment.

Background

The automobile brake pad is also called as automobile brake shoe, and refers to a friction material fixed on a brake drum or a brake disc rotating with a wheel, wherein a friction lining and a friction block bear external pressure to generate friction action so as to achieve the aim of reducing the speed of the automobile. From the braking type, brake pads for disc brakes, brake pads for drum brakes, brake pads for large trucks can be classified. In the manufacturing process of the drum brake pad, the side edge and the inner arc surface of the drum brake pad need to be polished. If manual or semi-manual polishing is adopted during polishing, the problems of low polishing precision, uneven polishing quality and high labor intensity of workers exist, and the processing efficiency is low.

Disclosure of Invention

The invention aims to provide drum brake pad grinding equipment which has the effects of high automation degree and high machining efficiency.

The technical purpose of the invention is realized by the following technical scheme: a drum brake pad polishing device comprises a frame, a workpiece conveying station arranged on the frame, a feeding frame positioned above the workpiece conveying station, a pushing seat and a pushing driving mechanism for driving the pushing seat to move so as to push a workpiece at the lowest position in the feeding frame out of the feeding frame, wherein the workpiece conveying station comprises two supporting plates fixed on the frame, a gap is formed between the two supporting plates, a chute positioned below the supporting plates is arranged on the frame, a buffer plate is arranged in the chute, the buffer plate is hinged with a connecting rod, the connecting rod is hinged with the pushing seat after penetrating through the gap, the frame is provided with an inclined bracket, the supporting plates are provided with notches positioned at one side of the feeding frame, the notches are communicated with the chute, the supporting plates are provided with inclined notches, and the pushing seat pushes the buffer plate to move forwards, the buffer plate is arranged on the bracket after being separated from the sliding groove, when the material pushing seat moves backwards to drive the buffer plate to move, the buffer plate passes through the notch and then passes through the lower part of the material loading frame along the supporting plate, and when the supporting plate moves to the notch, the buffer plate falls downwards and enters the sliding groove again; when the buffer plate is positioned on the workpiece conveying station, the upper end surface is lower than the upper end surface of the material pushing seat.

Through adopting above-mentioned technical scheme, a plurality of drum brake block stack in the material loading frame, and the drum brake block contact of below is on the layer board. The material pushing driving mechanism pushes the material pushing seat to move forwards, the material pushing seat pushes the drum brake pad at the lowest position to move forwards along the workpiece conveying station so as to be separated from the material loading frame, and then the material pushing driving mechanism drives the material pushing seat to move backwards. If not set up buffer gear, a plurality of drum brake block total amount sums are great, directly strike and can cause layer board and frame vibration on the layer board, influence the precision of polishing easily, cause the processing yields to descend, still can influence the stability of whole platform equipment operation simultaneously. In view of the above, the invention originally provides the buffer plate, when the material pushing seat moves forwards, the buffer plate is pushed to move forwards through the connecting rod until the buffer plate is separated from the sliding chute and then is placed on the inclined bracket. When the material pushing seat moves backwards, the buffer plate is driven by the connecting rod to move upwards firstly, the buffer plate penetrates through the notch and then is positioned on the supporting plate, and the buffer plate moves backwards along with the material pushing seat. And after the buffer plate is separated from the feeding frame, the rest of drum brake pads descend to the supporting plate again to achieve the effects of multistage descending and shock absorption. When the buffer board moves backwards to the notch, the buffer board falls downwards into the sliding groove and enters the sliding groove again.

The invention is further provided with: the upper end of the buffer plate is provided with an inclined buffer inclined plane, and one side of the buffer inclined plane close to the material pushing seat is higher than the other side.

By adopting the technical scheme, in the process that the buffer plate moves backwards to be separated from the feeding frame, the rest of drum brake pads in the feeding frame are contacted with the buffer inclined plane and separated from the buffer inclined plane, and the buffer inclined plane is used for guiding the rest of drum brake pads in the feeding frame to slowly descend, so that the vibration generated on the support plate and the rack when the drum brake pads descend in the feeding frame is further reduced.

The invention is further provided with: the buffer plate comprises a plate body and a buffer silica gel layer fixed on the plate body, and the buffer inclined plane is located on the upper end face of the buffer silica gel layer.

Through adopting above-mentioned technical scheme, buffering silica gel layer can play buffering, absorbing effect.

The invention is further provided with: the connecting rod is hinged with the end face of the front end of the material pushing seat.

The invention is further provided with: the connecting rod is hinged with the end part of the buffer plate.

The invention is further provided with: the feeding frame comprises a frame fixed on the frame and four limiting strips located in the frame, an adjusting groove is formed in the frame, an adjusting screw rod is fixed on each limiting strip and penetrates through the adjusting groove, two adjusting nuts are in threaded connection with the adjusting screw rod, and the adjusting nuts are distributed on the inner side and the outer side of the frame.

Through adopting above-mentioned technical scheme, through the regulation of adjusting nut and adjusting screw position, can adjust the position of spacing strip in the frame to adapt to not unidimensional drum brake piece.

The invention is further provided with: the frame is rotatably connected with a feeding shaft, the feeding shaft is provided with a feeding pinch roller, the feeding pinch roller is positioned above the workpiece conveying station, and the frame is provided with a feeding driving mechanism for driving the feeding shaft to rotate.

The invention is further provided with: a plurality of grinding motors are installed on the frame, and grinding cutters are installed on output shafts of the grinding motors.

The invention is further provided with: the machine frame is rotatably connected with a brush hair shaft, brush hair is fixed on the brush hair shaft, and the brush hair is located above the workpiece conveying station.

The invention has the beneficial effects that: the material pushing driving mechanism drives the material pushing seat to move, the drum brake pad at the lowest position in the material loading frame is pushed to move forwards and break away from the material loading frame, the feeding pinch roller realizes feeding, and the plurality of polishing motors and the polishing cutters polish the drum brake pad. Through setting up the buffer board, go up all the other drum brake blocks in the work or material rest and descend to the buffer board up end from the charging stock seat up end, the buffering silica gel layer on the buffer board further plays the buffering, and the buffering inclined plane of buffer board up end makes all the other drum brake blocks descend gradually to the layer board on, reduces layer board and frame vibrations, reduces the influence to machining precision, and degree of automation is high, and production efficiency is high, and the machining precision is high, and equipment operation is stable.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts.

Fig. 1 is a schematic structural view of the present invention.

Fig. 2 is a schematic structural diagram of the feeding frame of the present invention.

FIG. 3 is a schematic view of the position relationship among the rack, the pushing drive mechanism and the pushing seat of the present invention.

FIG. 4 is a schematic diagram of the position relationship among the supporting plate, the sliding groove, the notch and the buffer plate.

FIG. 5 is a schematic view of the structure of the buffer plate of the present invention.

In the figure, 1, a frame; 11. a chute; 12. a bracket; 13. polishing the motor; 131. polishing the cutter; 2. a workpiece conveying station; 21. a support plate; 22. a gap; 23. a notch; 24. a notch; 3. a material pushing seat; 31. a connecting rod; 4. a material pushing driving mechanism; 5. a buffer plate; 51. a plate body; 52. a buffer silica gel layer; 521. a buffer bevel; 6. a feeding frame; 61. a frame; 611. an adjustment groove; 62. a limiting strip; 63. adjusting the screw rod; 64. adjusting the nut; 7. a feed shaft; 71. feeding pinch rollers; 8. a feeding drive mechanism; 81. a feeding driving motor; 82. a rotating shaft; 83. a second transmission gear; 9. a bristle shaft; 91. brushing; 10. a drum brake pad.

Detailed Description

The technical solution of the present invention will be clearly and completely described below with reference to specific embodiments. It is to be understood that the described embodiments are merely a few embodiments of the invention, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments of the present invention without any inventive step, are within the scope of the present invention.

The utility model provides a drum brake block equipment of polishing, as shown in figure 1, includes frame 1, locates work piece conveying station 2, last work or material rest 6, the seat of expecting 3, the material pushing drive mechanism 4 of drive seat of expecting 3 motion of frame 1, work piece conveying station 2 includes two rectangular shape layer boards 21, and layer board 21 is installed and is fixed in frame 1, is formed with clearance 22 between two layer boards 21. The frame 1 is also provided with a feeding shaft 7, a feeding pinch roller 71 fixed on the feeding shaft 7 and a feeding driving mechanism 8 for driving the feeding shaft 7 to rotate, and the feeding pinch roller 71 is positioned above the workpiece conveying station 2. The feeding driving mechanism 8 comprises a feeding driving motor 81 arranged on the frame 1, a rotating shaft 82 rotatably connected to the frame 1, a first transmission gear fixed on the rotating shaft 82 and a second transmission gear 83 fixed on the feeding shaft 7, wherein the feeding driving motor 81 drives the rotating shaft 82 to rotate, and the first transmission gear is meshed with the second transmission gear 83.

As shown in fig. 1, five grinding motors 13 are further mounted on the frame 1, and a grinding tool 131 is mounted on an output shaft of each grinding motor 13. Two grinding motors 13 are used for grinding the upper and lower edges of one side of the drum brake 10, two grinding motors 13 are used for grinding the upper and lower edges of the other side of the drum brake 10, and the last grinding motor 13 is used for grinding the inner arc surface of the drum brake 10. The frame 1 is rotatably connected with a brush hair shaft 9, the brush hair shaft 9 is fixed with brush hair 91, and the brush hair 91 is located above the workpiece conveying station 2 and used for cleaning the inner arc surface of the drum brake pad 10 after polishing.

As shown in fig. 2, the feeding frame 6 includes a frame 61 fixed on the frame 1, and four limiting strips 62 located in the frame 61, adjusting grooves 611 are formed on two sides of the frame 61, each limiting strip 62 is fixed with an adjusting screw 63, two adjusting screws 63 on two limiting strips 62 pass through the adjusting groove 611 on one side, and two adjusting screws 63 on the other two limiting strips 62 pass through the adjusting groove 611 on the other side. Two adjusting nuts 64 are connected to each adjusting screw 63 through threads, and the two adjusting nuts 64 are distributed on the inner side and the outer side of the frame 61.

As shown in fig. 3 and 4, the pushing driving mechanism 4 is a cylinder, the cylinder is mounted on the frame 1, and a piston rod of the cylinder is fixed to the pushing base 3. The frame 1 is provided with two sliding chutes 11, and the two sliding chutes 11 are respectively located below the two supporting plates 21. Still be equipped with buffer board 5 in the frame 1, the buffer board 5 both sides are embedded into two spouts 11 respectively. The end face of the front end of the material pushing seat 3 is hinged with a connecting rod 31, and the other end of the connecting rod 31 is hinged with the end part of the buffer plate 5. The supporting plate 21 is provided with a notch 23, a bracket 12 positioned below the notch 23 is fixed on the frame 1, and the bracket 12 is obliquely arranged. The supporting plate 21 is provided with a notch 24, the lower end of the notch 24 is communicated with the sliding groove 11, and the buffer plate 5 can fall into the sliding groove 11 when being positioned at the notch 24. The notch 23 is located in front of the feeding frame 6, and the notch 24 is located behind the feeding frame 6. As shown in fig. 5, the buffer plate 5 includes a plate body 51 and a buffer silica gel layer 52 fixed on the plate body 51, an upper end surface of the buffer silica gel layer 52 is a buffer inclined plane 521, and one side of the buffer inclined plane 521 close to the material pushing seat 3 is higher than the other side.

The working principle is as follows: a plurality of drum brake pads 10 are stacked in the feeding frame 6, the material pushing driving mechanism 4 pushes the material pushing seat 3 to move forwards, the material pushing seat 3 is contacted with and pushes the drum brake pad 10 at the lowest position to move forwards until the drum brake pad is separated from the feeding frame 6, the material pushing seat 3 pushes the buffer plate 5 to move forwards through the connecting rod 31 in the process, the buffer plate 5 is separated from the sliding groove 11 and then falls on the bracket 12, and the buffer plate is in an inclined and upward state and is aligned to the notch 23. The rest drum brake pads 10 in the feeding frame 6 are abutted against the upper end face of the material pushing seat 3. The pushing driving mechanism 4 drives the pushing seat 3 to move backwards, the pushing seat 3 drives the buffer plate 5 to move through the connecting rod 31, the buffer plate 5 firstly penetrates through the notch 23 upwards and then is located on the supporting plate 21, then moves backwards along with the pushing seat 3, and at the moment, the buffer inclined plane 521 is lower than the upper end face of the pushing seat 3. During the backward movement of the material pushing seat 3, the rest of the drum brake pads 10 in the material loading frame 6 are separated from the material pushing seat 3, descend to contact the buffer inclined plane 521, and gradually separate from the buffer inclined plane 521 to contact the supporting plate 21. The drum brake pads 10 separated from the feeding frame 6 are pressed by the feeding pinch roller 71 and conveyed forwards, the two sides of the drum brake pads are polished by the polishing motor 13, then the inner arc surfaces of the drum brake pads are polished, and finally the bristles 91 clean the chips on the inner arc surfaces.