CN115213694B - Automatic slitting and grinding device for drum brake pad - Google Patents

Automatic slitting and grinding device for drum brake pad Download PDF

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Publication number
CN115213694B
CN115213694B CN202210363629.7A CN202210363629A CN115213694B CN 115213694 B CN115213694 B CN 115213694B CN 202210363629 A CN202210363629 A CN 202210363629A CN 115213694 B CN115213694 B CN 115213694B
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China
Prior art keywords
wheel
disc
rear end
raw material
frosted
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CN202210363629.7A
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Chinese (zh)
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CN115213694A (en
Inventor
吴奕鑫
吴玉荣
吴初明
王文玉
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Putian Rongxing Mechanical Co ltd
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Putian Rongxing Mechanical Co ltd
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Publication of CN115213694A publication Critical patent/CN115213694A/en
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
    • B23P23/00—Machines or arrangements of machines for performing specified combinations of different metal-working operations not covered by a single other subclass
    • B23P23/04—Machines or arrangements of machines for performing specified combinations of different metal-working operations not covered by a single other subclass for both machining and other metal-working operations
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
    • B07C—POSTAL SORTING; SORTING INDIVIDUAL ARTICLES, OR BULK MATERIAL FIT TO BE SORTED PIECE-MEAL, e.g. BY PICKING
    • B07C5/00—Sorting according to a characteristic or feature of the articles or material being sorted, e.g. by control effected by devices which detect or measure such characteristic or feature; Sorting by manually actuated devices, e.g. switches
    • B07C5/16—Sorting according to weight
    • B07C5/28—Sorting according to weight using electrical control means
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
    • B23Q7/00—Arrangements for handling work specially combined with or arranged in, or specially adapted for use in connection with, machine tools, e.g. for conveying, loading, positioning, discharging, sorting
    • B23Q7/003—Cyclically moving conveyors
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
    • B23Q7/00—Arrangements for handling work specially combined with or arranged in, or specially adapted for use in connection with, machine tools, e.g. for conveying, loading, positioning, discharging, sorting
    • B23Q7/06—Arrangements for handling work specially combined with or arranged in, or specially adapted for use in connection with, machine tools, e.g. for conveying, loading, positioning, discharging, sorting by means of pushers

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Grinding Of Cylindrical And Plane Surfaces (AREA)

Abstract

The invention discloses an automatic slitting and grinding device for drum brake pads, which belongs to the technical field of drum brake pads and comprises a raw material box, wherein the box is provided with an opening at the top and the bottom, a raw material conveying belt is arranged below the box, a gap between the raw material box and the raw material conveying belt is the thickness of a piece of plate-shaped raw material, a cutting knife rest is of a cylindrical structure and is connected to the rear end of the raw material conveying belt, the plate-shaped raw material in a tile shape can be uniformly cut into brake pads through an automatic production line, the inner and outer cambered surfaces and the two ends of the cut brake pads are standardized through the production line, the grinding thickness is the same, the grinding force is the same, manual operation is not needed, all operations can be automatically completed by the device, the cut and ground brake pads can be screened, unqualified products are removed, the production efficiency is high, and the machining quality is stable, and manual grinding operation is not needed.

Description

Automatic slitting and grinding device for drum brake pad
Technical Field
The invention relates to the technical field of drum brake shoes, in particular to an automatic slitting and grinding device for drum brake shoes.
Background
The brake pad of the drum brake shoe refers to an accessory which is pushed to be outwards unfolded to press the brake bulge to play a braking role under the action of a brake cam or a push rod; the brake shoe is generally composed of an iron lining plate and a friction material, a drum brake is not used in a general household sedan at present, and a common drum brake is used in a rear wheel brake of a motorcycle.
After the shoe-shaped friction material is cut into a shoe-shaped arc structure, the inner side and the outer side of the arc are polished, so that the friction material has larger friction force, is not uneven, forms a plurality of fine granular integrally smooth frosted surfaces on the arc surface, and then the two ends of the arc of the brake shoe are required to be polished to be flat to form a chamfer capable of being aligned with the iron lining plate.
At present, brake shoe production is manual production, does not have mature production line, and some semi-automatic production lines need manual one by one to polish after the cutting is accomplished, and complex operation is when manual cambered surface of polishing, still has the potential safety hazard, and not only efficiency is not high, and task error still appears in the preparation, and the thickness of polishing is different, and product quality is unstable.
Based on the above, the invention designs an automatic slitting and grinding device for a drum brake pad to solve the above problems.
Disclosure of Invention
The invention aims to provide an automatic slitting and grinding device for drum brake pads, which can uniformly cut tile-shaped plate raw materials into brake pads through an automatic production line, and can standardize the inner and outer cambered surfaces and two ends of the cut brake pads through the production line, so that the grinding thickness is the same, the grinding force is the same, manual operation is not needed, all the operations can be automatically completed by the device, unqualified products can be removed by the device, the production efficiency is high, the processing quality is stable, manual grinding operation is not needed, and the potential safety hazard of manual production is avoided.
The invention is realized in the following way: an automatic slitting and grinding device for a drum brake pad, comprising:
the raw material box is a box body with openings at the top and the bottom, a raw material conveying belt is arranged below the raw material box, and a gap between the raw material box and the raw material conveying belt is the thickness of a piece of plate-shaped raw material;
the cutting tool rest is of a cylindrical structure and is connected to the rear end of the raw material conveying belt;
the cylindrical outer wall of the cutting knife rest is sequentially provided with a plurality of annular grooves, planes of the grooves are parallel to each other, one side of the cutting knife rest is provided with a plurality of flaky blades, a plurality of blades are parallel to each other, each groove of the outer wall of the cutting knife rest is internally inserted with a blade, and the blade is not contacted with the cutting knife rest
The front end of the shoe plate conveyor belt is positioned under the cutting knife rest, the rear end of the shoe plate conveyor belt is provided with a positioning groove, the positioning groove is a groove with an opening at the top, the front end of the positioning groove is provided with a steering push rod, the rear end of the positioning groove is connected with a conveying chain wheel, and the pushing direction of the steering push rod is opposite to the conveying chain wheel;
the rear end of the conveying chain wheel is provided with an outer clamping disc and a frosted inner wheel, and a first group of moving-out mechanism is arranged between the rear end of the conveying chain wheel and the frosted inner wheel;
the outer clamping disc is a rotating disc with a rubber outer ring, the outer clamping disc and the frosted inner wheel are clamped on two sides of the cambered surface of the brake shoe, and the frosted inner wheel is tightly attached to the cambered surface of the inner side of the brake shoe for polishing;
the rear end of the frosted inner wheel is provided with a first transfer chuck, and a first group of feeding mechanisms are arranged between the first transfer chuck and the frosted inner wheel;
the transmission rear end of the first transfer chuck is provided with a frosted outer wheel and an inner clamping disc, and the inner clamping disc and the first transfer chuck are sequentially and singly pushed to push brake shoes through a second group of moving-out mechanisms;
the inner clamping disc is a disc with a rubber outer ring, the outer edge of the inner clamping disc is attached to the inner arc of the brake shoe, and the frosted outer wheel is clamped on the outer arc surface of the brake shoe;
the rear end of the clamping inner disc is provided with a second transfer chuck, brake shoes are sequentially and singly pushed between the second transfer chuck and the clamping inner disc through a second group of feeding mechanisms, the rear end of the second transfer chuck is also provided with a second group of moving-out mechanisms, the conveying rear end of the second group of moving-out mechanisms is a third transfer chuck, and the rear end of the third transfer chuck sequentially and singly pushes the brake shoes through a third group of moving-out mechanisms;
the rear end of the third group of moving-out mechanisms is provided with a polishing groove, the polishing groove is a square groove, and the projection shape and the projection size of the polishing groove and the horizontal plane of the single brake shoe are the same;
the bottom of the grinding groove is provided with an opening, the rear end of the bottom opening of the grinding groove is provided with a conveying plate, the left side and the right side of the bottom opening of the grinding groove are respectively provided with an end face grinding wheel, and the two end face grinding wheels are abutted against the two cambered surfaces of the brake shoe in the grinding groove;
the conveying plate is also provided with a weight sensor, the conveying plate is also provided with a screening cylinder and a waste box, the telescopic direction of the screening cylinder is opposite to the waste box, the screening cylinder and the waste box are respectively arranged outside the left side and the right side of the conveying plate, and the weight sensor is positioned at the front ends of the screening cylinder and the waste box;
the split charging tray is a disc capable of horizontally rotating along a vertical axis, a plurality of product boxes are arranged on the split charging tray, a guide plate is arranged below the rear end of the conveying plate, the guide plate is not in contact with the conveying plate, and the guide plate is positioned right above the product boxes on the split charging tray;
the shoe conveying belt, the raw material conveying belt, the conveying chain wheel, the feeding air cylinder, the moving-out air cylinder, the outer clamping disc, the frosted outer wheel, the transfer chuck, the conveying plate, the screening air cylinder and the split charging disc are controlled by the controller.
Further, the shoe conveyor belt, the raw material conveyor belt and the conveying plate are all conveyors;
the conveying chain wheel consists of two chains which are horizontally arranged and parallel to each other, and the two chains of the conveying chain wheel are driven by a motor and a gear to synchronously rotate in the same direction;
the steering push rod is driven by an air cylinder.
Further, the transfer chuck comprises a compression clamping piece, a driving shaft and a bottom turntable, wherein the compression clamping piece is a plurality of uniformly distributed spring pieces, the compression clamping piece forms an intermittent round sheet structure, the compression clamping piece is arranged right above the bottom turntable, the compression clamping piece and the bottom turntable are horizontally arranged, the compression clamping piece and the bottom turntable are both fixed on the driving shaft, the driving shaft is a vertical axis of the compression clamping piece and the bottom turntable, and the driving shaft is perpendicular to the compression clamping piece and the bottom turntable;
the bottom turntable is flush with the workbench surface of the brake shoe block pushed by the moving-out mechanism and the feeding mechanism.
Further, the split charging tray is a disc driven by a motor, and the three product boxes are uniformly and stably arranged at the top of the split charging tray;
the guide plate is an inclined flat plate, the guide plate is arranged at a position of 1cm below the tail end of the conveying plate, a triangular guide block is convexly arranged on the central line of the material in the advancing direction, the front end of the guide plate is high, the rear end of the guide plate is low, the guide block is isosceles triangle, the central axis of the guide block coincides with the central line of the guide plate, and an included angle on the central axis of the guide block is opposite to the central line of the conveying plate.
Further, the screening air cylinders and the waste boxes on the left side and the right side of the conveying plate are respectively two, the polishing groove and the brake shoe are in clearance fit, and the clearance is between 1 mm and 3 mm.
Further, a pushing clamp rotating block is arranged on the outer arc side wall of the clamping inner disc in a protruding mode, the pushing clamp rotating block and the brake shoe are abutted against each other, the clamping inner disc and the frosted outer wheel are driven by an independent motor, and the rotating directions of the clamping inner disc and the frosted outer wheel are opposite;
the outer clamping disc and the frosted inner wheel are driven by separate motors, the rotation directions of the outer clamping disc and the frosted inner wheel are opposite, and the rotation axes of the clamping inner disc, the frosted outer wheel, the clamping inner disc and the frosted outer wheel are perpendicular to the workbench surface;
the frosted inner wheel and the frosted outer wheel are both disc-shaped grinding wheels.
Further, the group of the moving-out mechanisms comprises a moving-out cylinder and a moving-out push rod, wherein the moving-out cylinder is driven by the moving-out cylinder, and the moving-out cylinder is horizontally pushed horizontally;
the feeding mechanism comprises a feeding cylinder and a feeding push rod, wherein the feeding cylinder is driven by the feeding push rod, and the feeding cylinder is horizontally pushed.
Further, the spacing between adjacent blades is the same, the edge of each blade is perpendicular to the rotation axis of the cutter holder, the cutter holder is driven by a separate motor, and the rotation axis of the cutter holder is horizontally arranged in a transverse direction.
The beneficial effects of the invention are as follows: 1. according to the invention, a plurality of plate-shaped raw materials are orderly overlapped and placed in the raw material box, so that the plate-shaped raw materials are not required to be manually placed one by one, more convenient operation can be realized, the following supervision of workers at any time is not required, and the number of manpower and the working strength are reduced;
2. the device can stably limit the distance between the two blades through the cutting knife rest and the plurality of blades which are assembled in parallel, thereby more stably limiting the width of each brake shoe, ensuring the same width, having stable cutting dimension and reliable operation quality far more than human hands, and being used for uniformly cutting the whole plate-shaped raw material at one time and having high cutting efficiency;
3. the device is matched with the mounting positions of the outer clamping disc, the frosted inner wheel, the frosted outer wheel and the inner clamping disc, so that the inner side cambered surface and the outer side cambered surface and the two ends of the cut brake shoe can be polished in a standardized manner, the polishing thickness is the same, the polishing force is the same, and the thickness particles of the polished cambered surfaces of the brake shoe are the same, so that the device can be produced in a standardized manner;
4. the production line device can uniformly cut tile-shaped platy raw materials into brake shoes through an automatic production line, does not need manual operation, automatically completes all operations, can screen the brake shoes after cutting and polishing, eliminates unqualified products, has stable processing quality, automatically completes cutting and polishing operations, does not need manual operation in the whole process, has high efficiency, does not need manual polishing operation, and avoids potential safety hazards of manual production.
Drawings
The invention will be further described with reference to examples of embodiments with reference to the accompanying drawings.
FIG. 1 is a schematic diagram of the front structure of a complete production line of the present invention;
FIG. 2 is a partial top view of a cut and ground portion of the present invention;
FIG. 3 is a top view of the shoe belt of the present invention;
FIG. 4 is a schematic diagram of the front structure of the shoe conveyor of the present invention;
FIG. 5 is a top view of the feed mechanism of the present invention;
FIG. 6 is a schematic view of a transfer chuck according to the present invention;
FIG. 7 is a top view of a transfer chuck according to the present invention;
FIG. 8 is a block diagram of a plate-like raw material according to the present invention;
FIG. 9 is a schematic illustration of the transfer of the brake shoe of the present invention after cutting on a conveyor sprocket;
FIG. 10 is a schematic view of the mating structure of the sanding outer wheel and inner clamping disk of the present invention;
FIG. 11 is a top view of a grinding groove of the present invention;
FIG. 12 is a schematic view of the front structure of the polishing tank of the present invention;
FIG. 13 is a schematic view of a flow guiding block according to the present invention.
In the drawings, the list of components represented by the various numbers is as follows:
the device comprises a 1-shoe conveyor belt, a 11-cutting knife rest, a 12-conveying chain wheel, a 13-steering push rod, a 14-positioning groove, a 15-blade, a 2-raw material box, a 21-raw material conveyor belt, a 22-controller, a 3-plate raw material, a 31-brake shoe, a 4-feeding cylinder, a 41-feeding push rod, a 42-removing cylinder, a 43-removing push rod, a 5-outer clamping disc, a 51-sanding inner wheel, a 6-sanding outer wheel, a 61-inner clamping disc, a 62-pushing clamping rotating block, a 7-rotating disc, a 71-clamping piece, a 72-driving shaft, a 73-bottom turntable, an 8-conveying plate, a 81-sanding groove, a 811-end face grinding wheel, a 812-grinding disc motor, a 82-sorting plate, a 83-screening cylinder, a 84-weight sensor, a 85-waste bin, a 9-packing disc, a 91-product bin, a 92-guide plate and a 93-guide block.
Detailed Description
Referring to fig. 1 to 13, the present invention provides a technical solution: an automatic slitting and grinding device for a drum brake pad, comprising:
the raw material box 2 is a box body with openings at the top and the bottom, a raw material conveying belt 21 is arranged below the raw material box 2, and a gap between the raw material box 2 and the raw material conveying belt 21 is the thickness of one sheet of plate-shaped raw material 3;
a cutter head 11, wherein the cutter head 11 has a cylindrical structure, and the cutter head 11 is received at the rear end of the raw material conveying belt 21;
a plurality of annular grooves are sequentially formed in the cylindrical outer wall of the cutter rest 11, planes of the grooves are parallel to each other, a plurality of sheet-shaped blades 15 are arranged on one side of the cutter rest 11, a plurality of blades 15 are parallel to each other, a blade 15 is inserted into each groove in the outer wall of the cutter rest 11, and the blade 15 is not in contact with the cutter rest 11
The front end of the shoe conveying belt 1 is positioned right below the cutter rest 11, the rear end of the shoe conveying belt is provided with a positioning groove 14, the positioning groove 14 is a groove with an opening at the top, the front end of the positioning groove 14 is provided with a steering push rod 13, the rear end of the positioning groove 14 is connected with a conveying chain wheel 12, and the pushing direction of the steering push rod 13 is opposite to the conveying chain wheel 12;
the rear end of the conveying chain wheel 12 is provided with an outer clamping disc 5 and an inner frosting wheel 51, and a first group of moving-out mechanisms are arranged between the rear end of the conveying chain wheel 12 and the inner frosting wheel 51;
the outer clamping disc 5 is a rotating disc with a rubber outer ring, the outer clamping disc 5 and the frosted inner wheel 51 are clamped on two sides of the cambered surface of the brake shoe 31, and the frosted inner wheel 51 is tightly attached to the cambered surface on the inner side of the brake shoe 31 for polishing;
the rear end of the frosted inner wheel 51 is provided with a first transfer chuck 7, and a first group of feeding mechanisms are arranged between the first transfer chuck 7 and the frosted inner wheel 51;
the transmission rear end of the first transfer chuck 7 is provided with a frosted outer wheel 6 and an inner clamping disc 61, and the inner clamping disc 61 and the first transfer chuck 7 push the brake shoe 31 singly in sequence through a second group of moving-out mechanisms;
the inner clamping disc 61 is a disc with a rubber outer ring, the outer edge of the inner clamping disc 61 is attached to the inner arc of the brake shoe 31, and the frosted outer wheel 6 is clamped on the outer arc surface of the brake shoe 31;
the rear end of the clamping inner disc 61 is provided with a second transfer chuck 7, a second single pushing brake shoe 31 is arranged between the second transfer chuck 7 and the clamping inner disc 61 through a second group of feeding mechanisms, the rear end of the second transfer chuck 7 is also provided with a second group of moving-out mechanisms, the conveying rear end of the second group of moving-out mechanisms is a third transfer chuck 7, and the rear end of the third transfer chuck 7 sequentially single pushing brake shoe 31 through a third group of moving-out mechanisms;
the rear end of the third group of moving-out mechanisms is provided with a polishing groove 81, the polishing groove 81 is a square groove, and the polishing groove 81 and the horizontal plane projection shape of the single brake shoe 31 are the same in size;
the bottom of the polishing groove 81 is provided with an opening, the rear end of the bottom opening of the polishing groove 81 is provided with a conveying plate 8, the left side and the right side of the bottom opening of the polishing groove 81 are respectively provided with an end face grinding wheel 811, and the two end face grinding wheels 811 are abutted against the two cambered surfaces of the brake shoe 31 in the polishing groove 81;
the conveying plate 8 is further provided with a weight sensor 84, the conveying plate 8 is further provided with a screening cylinder 83 and a waste box 85, the telescopic direction of the screening cylinder 83 is opposite to that of the waste box 85, the screening cylinder 83 and the waste box 85 are respectively arranged outside the left side and the right side of the conveying plate 8, and the weight sensor 84 is positioned at the front ends of the screening cylinder 83 and the waste box 85;
the split charging tray 9 is a circular disc capable of horizontally rotating along a vertical axis, a plurality of product boxes 91 are arranged on the split charging tray, a guide plate 92 is arranged below the rear end of the conveying plate 8, the guide plate 92 is not contacted with the conveying plate 8, and the guide plate 92 is positioned right above the product boxes 91 on the split charging tray 9;
the shoe conveying belt 1, the raw material conveying belt 21, the conveying chain wheel 12, the feeding cylinder 4, the shifting-out cylinder 42, the outer clamping disc 5, the frosted outer wheel 6, the transfer chuck 7, the conveying plate 8, the screening cylinder 83 and the split charging disc 9 are controlled by the controller 22, the shoe-shaped plate-shaped raw material 3 can be uniformly cut into the brake shoe 31 through an automatic production line, the standardized arrival of the inner and outer cambered surfaces and the two ends of the cut brake shoe 31 is realized through the production line, the polishing thickness is the same, the polishing force is the same, manual operation is not needed, all operations are automatically completed by the device, unqualified products are removed, the production efficiency is high, the processing quality is stable, the manual polishing operation is not needed, and the potential safety hazard of manual production is avoided.
Wherein the shoe conveyor belt 1, the raw material conveyor belt 21 and the conveying plate 8 are all conveyors;
the conveying chain wheel 12 is composed of two chains which are horizontally arranged and parallel to each other, and the two chains of the conveying chain wheel 12 are driven by a motor and a gear to synchronously rotate in the same direction;
the steering push rod 13 is driven by an air cylinder, so that the brake shoe 31 is conveniently conveyed;
the transfer chuck 7 comprises a pressing clamping piece 71, a driving shaft 72 and a bottom turntable 73, wherein the pressing clamping piece 71 is a plurality of uniformly distributed spring pieces, the pressing clamping piece 71 forms an intermittent round sheet structure, the pressing clamping piece 71 is arranged right above the bottom turntable 73, the pressing clamping piece 71 and the bottom turntable 73 are horizontally arranged, the pressing clamping piece 71 and the bottom turntable 73 are both fixed on the driving shaft 72, the driving shaft 72 is a vertical axis of the pressing clamping piece 71 and the bottom turntable 73, and the driving shaft 72 is perpendicular to the pressing clamping piece 71 and the bottom turntable 73;
the bottom turntable 73 is flush with the workbench surface of the brake shoe 31 pushed by the moving-out mechanism and the feeding mechanism, the brake shoe 31 can be clamped and conveyed more stably through the transfer chuck 7, clamping jaws are not used, the clamping quantity is more at the same time, the clamping and quantity buffering effects can be realized conveniently, and the brake shoe 31 can be conveyed more stably for a longer distance in a vertical state;
the split charging tray 9 is a disc driven by a motor, and the three product boxes 91 are uniformly and stably arranged at the top of the split charging tray 9;
the guide plate 92 is an inclined flat plate, the guide plate 92 is arranged at a position of 1cm below the tail end of the conveying plate 8, a triangular guide block 93 is convexly arranged on the central line of the material in the advancing direction, the front end of the guide plate 92 is high, the rear end of the guide plate 92 is low, the guide block 93 is isosceles triangle, the central axis of the guide block 93 coincides with the central line of the guide plate 92, and the included angle on the central axis of the guide block 93 is right opposite to the central line of the conveying plate 8;
the two screening cylinders 83 and the two waste boxes 85 on the left side and the right side of the conveying plate 8 are respectively provided, the polishing grooves 81 and the brake shoe 31 are in clearance fit, the clearance is between 1 mm and 3mm, and the unqualified products can be conveniently collected and screened;
a push clamp rotating block 62 is arranged on the outer arc side wall of the clamping inner disc 61 in a protruding manner, the push clamp rotating block 62 and the brake shoe 31 are abutted against each other, the clamping inner disc 61 and the sanding outer wheel 6 are driven by a single motor, and the rotating directions of the clamping inner disc 61 and the sanding outer wheel 6 are opposite;
the outer clamping disc 5 and the frosted inner wheel 51 are driven by separate motors, the rotation directions of the outer clamping disc 5 and the frosted inner wheel 51 are opposite, and the rotation axes of the clamping inner disc 61, the frosted outer wheel 6, the clamping inner disc 61 and the frosted outer wheel 6 are perpendicular to the working table;
the inner grinding wheel 51 and the outer grinding wheel 6 are disc-shaped grinding wheels, and the two grinding wheels can grind the cambered surfaces on the inner side and the outer side of the brake shoe 31, and because the clamping force can be adjusted by adjusting the spacing between the outer clamping disc 5 and the inner grinding wheel 51 or between the inner clamping disc 61 and the outer grinding wheel 6, the grinding thickness of the brake shoe 31 can be adjusted, and the grinding thickness of the brake shoe 31 is the same through mechanical grinding, so that the grinding is more uniform, the grinding is not needed by hands, and the brake shoe is safer;
a group of the removing mechanisms comprises a removing air cylinder 42 and a removing push rod 43, wherein the removing air cylinder 42 is driven by the removing air cylinder 43, and the removing air cylinder 42 is horizontally and transversely pushed;
the feeding mechanism comprises a feeding cylinder 4 and a feeding push rod 41, the feeding cylinder 4 is used for driving the feeding push rod 41, the feeding cylinder 4 is horizontally pushed horizontally and conveniently to operate through the controller 22, the structure of each group of moving-out mechanisms is the same, and the feeding mechanism of each group is of the same structure, so that the aim is to sequentially and singly convey the brake shoe 31 in sequence;
the distance between the adjacent blades 15 is the same, the edge of each blade 15 is perpendicular to the rotation axis of the cutter frame 11, the cutter frame 11 is driven by a separate motor, the rotation axis of the cutter frame 11 is horizontally and horizontally arranged, so that the whole plate-shaped raw material 3 is conveniently and uniformly cut, and the widths of the brake shoes 31 after cutting are the same.
In one embodiment of the invention:
the embodiment of the invention provides an automatic slitting and grinding device for a drum brake pad, which solves the technical problems that: 1. the existing brake pad has no purely mechanical production line, the existing brake pad is manually cut, the existing brake pad is manually polished by a grinding wheel, and the existing brake pad is manually cut by a cutting machine, so that the efficiency is low, the quality is unstable, and the operation is complicated; manual polishing has potential safety hazards in grinding wheel rotation; 2. the manual operation requires too many people, is costly, time-consuming and labor-consuming, because the shape is irregular, and there is almost no production line for manufacturing the purely mechanical brake shoe 31.
The technical effects are realized as follows: 1. according to the invention, the plate-shaped raw materials 3 are orderly overlapped and placed in the raw material box 2, so that the plate-shaped raw materials are not required to be manually placed one by one, more convenient operation can be realized, the following supervision of workers at any time is not required, and the number of manpower and the working strength are reduced;
2. the device can stably limit the distance between two blades 15 through the cutter rest 11 and the plurality of blades 15 assembled in parallel, thereby more stably limiting the cutting width of each brake shoe 31, ensuring the same width, ensuring the stable cutting size and being far more reliable than the manual operation quality, and the device is used for uniformly cutting the whole plate-shaped raw material 3 at one time and has high cutting efficiency;
3. the device is matched with the mounting positions of the outer clamping disc 5, the frosted inner wheel 51, the frosted outer wheel 6 and the inner clamping disc 61, so that the inner side cambered surface and the outer side cambered surface and the two ends of the cut brake shoe 31 can be polished in a standardized manner, the polishing thickness is the same, the polishing force is the same, and the thickness particles of the cambered surface of the polished brake shoe 31 are the same, so that the device can be produced in a standardized manner;
4. this production line device can come tile flaky platy raw materials 3 through automated production line, even cutting becomes brake shoe 31, and through this production line, do not need manual operation, accomplish all operations voluntarily, can also screen the brake shoe 31 after cutting polishing, reject unqualified product, processingquality is stable, cutting and polishing operation are automatic completion, whole manual operation that does not need, it is efficient, also do not need manual polishing operation, the potential safety hazard of manual production has been avoided, moreover because this device is purely mechanical, production is more stable, efficiency is higher, the production state is more accurate.
The technical scheme in the embodiment of the invention aims to solve the problems, and the overall thought is as follows:
in order to better understand the above technical solutions, the following detailed description will refer to the accompanying drawings and specific embodiments.
When the invention is used, a plurality of plate-shaped raw materials 3 are sequentially overlapped and put into the raw material box 2, the top of the raw material box 2 is open, the bottom of the raw material box 2 is also open, and the thickness of one plate-shaped raw material 3 is between the opening at the bottom of the raw material box 2 and the raw material conveying belt 21, so that the opening at the bottom can only hold one plate-shaped raw material 3 at a time and is taken away by the raw material conveying belt 21 towards the rear section, the raw material conveying belt 21 is of a convex circular structure, the plate-shaped raw material 3 is also of a tile-shaped structure, and the concave surface of the plate-shaped raw material 3 is downwards put into the raw material box 2, and thus the raw material conveying belt 21 just takes away one plate-shaped raw material 3 at a time;
after the plate-shaped raw material is conveyed to the rear end by the raw material conveying belt 21, the plate-shaped raw material is just attached to the cutter rest 11, the cutter rest 11 is also of a cylindrical structure, the concave surface of the plate-shaped raw material 3 is just attached to the cylindrical surface of the cutter rest 11, then the plate-shaped raw material 3 is driven to be clamped between the cutter rest 11 and the blades 15 under the rotation of the cutter rest 11, the cutter rest 11 continuously rotates along the axis of the cutter rest 11, the axis of the cutter rest 11 is a horizontal transverse axis, a plurality of grooves are uniformly arranged on the outer wall of the cutter rest 11, each groove is parallel to each other, each groove corresponds to one blade 15 one by one, so when the plate-shaped raw material 3 is clamped on the cutter rest 11 and the plurality of blades 15 to continuously rotate in a following manner, the blades 15 are uniformly distributed, parallel to each other and at the same interval, so that the blades 15 cut the whole plate-shaped raw material 3 into brake shoes 31, and the brake shoes 31 which are cut are not clamped by the blades 15 any more because they are cut off, so that the brake shoes 31 are also rotated along with the cutting blade carrier 11 and rotate downwards onto the shoe conveyor 11 along with the cutting blade carrier 11, and are uniformly distributed along the grooves of the cutting blade carrier 11, only the changed cambered surfaces face upwards, the convex surfaces of the brake shoes 31 are attached to the shoe conveyor 1, and the two ends of the convex surfaces are tilted.
The distance between the shoe conveyor belt 1 and the bottom of the cutter rest 11 is only the height of the brake shoe 31, so that the brake shoe 31 is limited and uniformly distributed on the shoe conveyor belt 11 to move together, then the brake shoe 31 moves together to the positioning groove 14 along the shoe conveyor belt 11, the positioning groove 14 is a circular arc groove with an opening at the top, the circular arc of the positioning groove 14 is attached to the protruding circular arc of the brake shoe 31, the positioning groove 14 is fixed, the brake shoe 31 is tilted at the two ends at the moment, the controller 22 controls the steering push rod 13 to push rightwards, namely to push towards the rear end of the whole production line, all the brake shoes 31 in the positioning groove 14 are pushed together to the conveying chain wheel 12, because the pushing end of the steering push rod 13 is semicircular, the cambered surface of the steering push rod 13 is identical to the shape of the positioning groove 14 but does not contact each other, and the brake shoe 31 is just pushed, but the bottom of the positioning groove 14 is not scraped;
the brake shoes 31 sent into the conveying chain wheel 12 continuously rotate along with the conveying chain wheel 12 and also continuously move to the rear end slowly, the brake shoes 31 sent to the tail end of the mouth of the conveying chain wheel 12 slide down one by one, the tail end of the conveying chain wheel 12 is provided with a slope, the slope is connected with the outer clamping disc 5 and the frosted inner wheel 51, the single brake shoe 31 slides down on the conveying chain wheel 12, because the two ends are tilted upwards under the action of gravity and the tilted two ends fall down along the slope to the rear end at the moment, the tilted two ends are positioned at the right side at the moment, then the laterally placed brake shoes 31 are pushed to the rear end through a moving-out mechanism, a moving-out cylinder 42 of the first group of moving-out mechanism is continuously pushed to the right under the control of a controller 22, a moving-out push rod 43 takes away the tilted brake shoes 31 to the right, the brake shoes 31 are pushed to fit on the frosted inner wheel 51, then the inner wheel is rotated together, the inner wheel 51 is basically only contacted with the brake shoe 31, then the inner wheel is clamped by the outer clamping disc 5 and the inner wheel 51, the inner arc surface of the brake shoe 31 is uniformly polished by the inner wheel 51, then the feeding cylinder 4 of the feeding mechanism is synchronously pushed under the action of the controller 22, so as to push the feeding push rod 41, the feeding push rod 41 pushes the brake shoe 31 polished by the inner arc surface to the rear end, the brake shoe 31 is sent into the transfer chuck 7, the clamping piece 71 and the bottom turntable 73 of the transfer chuck 7 clamp the brake shoe 31 together, because the clamping piece 71 is a spring piece and has elasticity only along the up-down direction, the brake shoe 31 can be well clamped, the clamping is stable, then the clamping piece 71 and the bottom turntable 73 are rotated together under the action of the driving shaft 72, the brake shoe 31 is conveyed and transferred to the tail end direction together, pushing the brake shoe 31 to the rear end through a moving-out push rod 43 of the second group of moving-out mechanisms, pushing the brake shoe 31 to the inner clamping disc 61 to be attached, enabling the brake shoe 31 to rotate along with the inner clamping disc 61, enabling the brake shoe 31 to rotate to the frosted outer wheel 6, polishing the outer cambered surface of the brake shoe 31, and finishing polishing of two side surfaces of the brake shoe 31;
when the brake shoe 31 is on the inner clamping disc 61, the brake shoe 31 is driven to rotate together by a pushing and clamping rotating block 62, and the outer clamping disc 5 and the frosted inner wheel 51 are driven to rotate together by the same protruding rotating block, so that the brake shoe 31 is ensured to rotate together.
The brake shoe 31 which is completely polished is continuously conveyed to the polishing groove 81 towards the rear end of the production line through the second group of moving-out mechanisms, the transfer chuck 7 and the third group of feeding mechanisms, the brake shoe 31 falls down into the polishing groove 81 again, under the action of gravity and guiding, the two ends of the brake shoe 31 are tilted up and turned down again, the inner cambered surface of the brake shoe 31 falls down into the polishing groove 8, the polishing groove 81 is respectively provided with an end face grinding wheel 811 at the left side and the right side of the production line, the end face grinding wheel 811 is driven by a grinding disc motor 812, so that the end face grinding wheels 811 polish the two downward buckled ends of the brake shoe 31, the bottom of the polishing groove 81 is the conveying plate 8, the structure of the polishing groove 81 is the same as that of the raw material box 2, the bottom opening top is also opened, the opening at the top enables the brake shoe 31 to continuously enter in a superposition mode, the opening at the bottom of the polishing groove 81 only allows one brake shoe 31 which is buckled downwards to travel towards the rear end at a time, then the brake shoe 31 which is completely polished continuously travels towards the rear end under the conveying of the conveying plate 8, the brake shoe 31 is firstly pressed on the weight sensor 84 for detection, if the brake shoe is not polished, the weight is overweight, if the brake shoe is too much polished, the length of the whole brake shoe 31 is reduced or is too thin, the weight of the brake shoe 31 exceeds the standard range, the weight sensor 84 sets a weight error allowance range, the brake shoe 31 exceeding the range can enable the weight sensor 84 to send feedback information, the controller 22 controls the screening cylinder 83 to push the unqualified brake shoe 31 into the sorting plate 82, the sorting plate 82 is a smooth slope which is inclined downwards, and the waste bin 85 is arranged at one end below the downhill of the sorting plate 82, the unqualified brake shoes 31 are pushed into the waste bin 85 by the screening cylinder 83, the screening cylinder 83 and the waste bin 85 are respectively arranged at the left side and the right side of the conveying plate 8, and are arranged at the rear end of the weight sensor 84, when the qualified brake shoes 31 pass through, the controller 22 does not receive signals of the weight sensor 84, the screening cylinder 83 is controlled to be not operated, the qualified brake shoes 31 continuously move towards the rear end along the conveying plate 8 and slide towards the rear end by the guide plate 92, the guide blocks 93 on the guide plate 92 disperse and convey the brake shoes 31, the accumulation of the brake shoes 31 is avoided, the split charging tray 9 is arranged below the guide plate 92, three product bins 91 are uniformly arranged on the split charging tray 9, the qualified brake shoes 31 continuously slide into the product bins 91 by the guide plate 92, the split charging tray 9 is driven by a motor, the split charging tray 9 drives the product bins 91 to rotate together by a certain angle at intervals of the controller 22, the operation of changing the product bins 91 after one end time is realized, the interval of rotating the split charging tray 9 is full of the actual production speed is controlled by the controller 22, and the split charging of the product bins 91 can be conveniently arranged by one convenient bin 91;
the split charging tray 9 makes the operation of this device at change product case 91 more convenient, need not shut down in the change, also do not have brake shoe 31 to drop on the ground, when empty product case 91 rotates to the guide plate 92 below, can have sufficient time to be free will filled product case 91 lift off the production line, and a product case 91 generally can hold more than 200 brake shoes 31, convenient to use, such a complete production line, when the production, it is more convenient, efficient, whole polishing and cutting process need not personnel control, the production line is automatic to be accomplished, the manual work only need add raw materials and change full product case 91 can.
The front end and the rear end of the device refer to the conveying direction of products, namely one end of a product split charging tray 9 shown in the figure A is the rearmost end, the front end is one end of a raw material box 2 of the products, the front end and the rear end are the front end and the rear end of a production line, the left side and the right side of a conveying plate 8 refer to the left side and the right side of the traveling direction of the production line, the left side and the right side of the conveying plate 8 of the device are respectively provided with an end face grinding wheel 81, two sets of screening cylinders 83 and two sets of waste boxes 85 are arranged on the whole conveying plate 8 for avoiding excessive defective products, the defective products are prevented from being mixed into the qualified products, the two screening cylinders 83 are controlled in a linkage mode through a controller 22 and a weight sensor 84, and the time interval for detection and pushing is set, so that all the defective products are ensured to be pushed into the waste boxes 85 for recycling.
The controller 22 of the device is a plc controller, can be conveniently set and regulated, and is convenient to use.
While specific embodiments of the invention have been described above, it will be appreciated by those skilled in the art that the specific embodiments described are illustrative only and not intended to limit the scope of the invention, and that equivalent modifications and variations of the invention in light of the spirit of the invention will be covered by the claims of the present invention.

Claims (8)

1. Automatic cutting and grinding device of drum brake block, characterized by comprising:
the raw material box (2) is a box body with openings at the top and the bottom, a raw material conveying belt (21) is arranged below the box body, and a gap between the raw material box (2) and the raw material conveying belt (21) is the thickness of a piece of plate-shaped raw material (3);
the cutting tool rest (11), the cutting tool rest (11) is of a cylindrical structure, and the cutting tool rest (11) is received at the rear end of the raw material conveying belt (21);
a plurality of annular grooves are sequentially formed in the cylindrical outer wall of the cutting tool rest (11), planes of the grooves are parallel to each other, a plurality of sheet-shaped blades (15) are arranged on one side of the cutting tool rest (11), the blades (15) are parallel to each other, one blade (15) is inserted into each groove in the outer wall of the cutting tool rest (11), and the blades (15) are not contacted with the cutting tool rest (11);
the front end of the shoe conveying belt (1) is positioned under the cutting knife rest (11), the rear end of the shoe conveying belt is provided with a positioning groove (14), the positioning groove (14) is a groove with an opening at the top, the front end of the positioning groove (14) is provided with a steering push rod (13), the rear end of the positioning groove (14) is connected with a conveying chain wheel (12), and the pushing direction of the steering push rod (13) is opposite to the conveying chain wheel (12);
the rear end of the conveying chain wheel (12) is provided with an outer clamping disc (5) and a frosted inner wheel (51), and a first group of moving-out mechanisms are arranged between the rear end of the conveying chain wheel (12) and the frosted inner wheel (51);
the outer clamping disc (5) is a rotating disc with a rubber outer ring, the outer clamping disc (5) and the frosted inner wheel (51) are clamped on two sides of the cambered surface of the brake shoe (31), and the frosted inner wheel (51) and the cambered surface on the inner side of the brake shoe (31) are tightly attached to each other for polishing;
the rear end of the frosted inner wheel (51) is provided with a first transfer chuck (7), and a first group of feeding mechanisms are arranged between the first transfer chuck (7) and the frosted inner wheel (51);
the rear end of the first transfer chuck (7) is provided with a frosted outer wheel (6) and an inner clamping disc (61), and the inner clamping disc (61) and the first transfer chuck (7) are sequentially and singly pushed with brake shoes (31) through a second group of moving-out mechanisms;
the inner clamping disc (61) is a disc with a rubber outer ring, the outer edge of the inner clamping disc (61) is attached to the inner arc of the brake shoe (31), and the frosted outer wheel (6) is clamped on the outer arc surface of the brake shoe (31);
the rear end of the inner clamping disc (61) is provided with a second transfer chuck (7), a brake shoe (31) is sequentially and singly pushed between the second transfer chuck (7) and the inner clamping disc (61) through a second group of feeding mechanisms, the rear end of the second transfer chuck (7) is also provided with a second group of shifting-out mechanisms, the conveying rear end of the second group of shifting-out mechanisms is a third transfer chuck (7), and the rear end of the third transfer chuck (7) is sequentially and singly pushed through a third group of shifting-out mechanisms;
the rear end of the third group of moving-out mechanisms is provided with a polishing groove (81), the polishing groove (81) is a square groove, and the projection shape and the size of the polishing groove (81) and the horizontal plane of the single brake shoe (31) are the same;
the bottom of the polishing groove (81) is provided with an opening, the rear end of the bottom opening of the polishing groove (81) is provided with a conveying plate (8), the left side and the right side of the bottom opening of the polishing groove (81) are respectively provided with an end face grinding wheel (811), and the two end face grinding wheels (811) are abutted against the two cambered surface ends of the brake shoe (31) in the polishing groove (81);
the conveying plate (8) is further provided with a weight sensor (84), the conveying plate (8) is further provided with a screening cylinder (83) and a waste box (85), the expansion direction of the screening cylinder (83) is opposite to the waste box (85), the screening cylinder (83) and the waste box (85) are respectively arranged outside the left side and the right side of the conveying plate (8), and the weight sensor (84) is positioned at the front ends of the screening cylinder (83) and the waste box (85);
the split charging tray (9) is a disc capable of horizontally rotating along a vertical axis, a plurality of product boxes (91) are arranged on the split charging tray, a guide plate (92) is arranged below the rear end of the conveying plate (8), the guide plate (92) is not contacted with the conveying plate (8), and the guide plate (92) is positioned right above the product boxes (91) on the split charging tray (9);
the shoe conveying belt (1), the raw material conveying belt (21), the conveying chain wheel (12), the feeding air cylinder (4), the moving-out air cylinder (42), the outer clamping disc (5), the frosted outer wheel (6), the transfer chuck (7), the conveying plate (8), the screening air cylinder (83) and the split charging disc (9) are controlled by the controller (22).
2. The automatic slitting and grinding device for drum brake pads according to claim 1, wherein: the shoe conveying belt (1), the raw material conveying belt (21) and the conveying plate (8) are all conveyors;
the conveying chain wheel (12) is composed of two chains which are horizontally arranged and parallel to each other, and the two chains of the conveying chain wheel (12) are driven by a motor and a gear to synchronously rotate in the same direction;
the steering push rod (13) is driven by a cylinder.
3. The automatic slitting and grinding device for drum brake pads according to claim 1, wherein: the transfer chuck (7) comprises a pressing clamping piece (71), a driving shaft (72) and a bottom rotating disc (73), wherein the pressing clamping piece (71) is a plurality of uniformly distributed spring pieces, the pressing clamping piece (71) forms an intermittent round sheet structure, the pressing clamping piece (71) is arranged right above the bottom rotating disc (73), the pressing clamping piece (71) and the bottom rotating disc (73) are horizontally arranged, the pressing clamping piece (71) and the bottom rotating disc (73) are both fixed on the driving shaft (72), the driving shaft (72) is a vertical axis of the pressing clamping piece (71) and the bottom rotating disc (73), and the driving shaft (72) is perpendicular to the pressing clamping piece (71) and the bottom rotating disc (73);
the bottom turntable (73) is flush with the working table surface of each group of moving-out mechanisms and each group of feeding mechanisms for pushing the brake shoe (31).
4. The automatic slitting and grinding device for drum brake pads according to claim 1, wherein: the split charging trays (9) are discs driven by a motor, and the three product boxes (91) are uniformly and stably arranged at the tops of the split charging trays (9);
the guide plate (92) is an inclined flat plate, the guide plate (92) is arranged at a position of 1cm below the tail end of the conveying plate (8), a triangular guide block (93) is convexly arranged on the center line of the advancing direction of materials, the front end of the guide plate (92) is high, the rear end of the guide plate is low, the guide block (93) is isosceles triangle, the central axis of the guide block (93) coincides with the center line of the guide plate (92), and an included angle on the central axis of the guide block (93) is opposite to the center line of the conveying plate (8).
5. The automatic slitting and grinding device for drum brake pads according to claim 1, wherein: the screening cylinders (83) and the waste boxes (85) on the left side and the right side of the conveying plate (8) are respectively two, and the grinding grooves (81) and the brake shoe (31) are in clearance fit, and the clearance is 1-3 mm.
6. The automatic slitting and grinding device for drum brake pads according to claim 1, wherein: a push clamp rotating block (62) is arranged on the outer arc side wall of the inner clamping disc (61) in a protruding mode, the push clamp rotating block (62) and the brake shoe (31) are abutted against each other, the inner clamping disc (61) and the frosted outer wheel (6) are driven by separate motors, and the rotation directions of the inner clamping disc (61) and the frosted outer wheel (6) are opposite;
the outer clamping disc (5) and the frosted inner wheel (51) are driven by separate motors, the rotation directions of the outer clamping disc (5) and the frosted inner wheel (51) are opposite, and the rotation axes of the inner clamping disc (61), the frosted outer wheel (6), the inner clamping disc (61) and the frosted outer wheel (6) are perpendicular to the workbench surface;
the inner grinding wheel (51) and the outer grinding wheel (6) are both disc-shaped grinding wheels.
7. The automatic slitting and grinding device for drum brake pads according to claim 1, wherein: each group of the moving-out mechanisms comprises a moving-out air cylinder (42) and a moving-out push rod (43), the moving-out air cylinders (42) are driven by the moving-out push rods (43), and the moving-out air cylinders (42) are horizontally pushed in the transverse direction;
each group of feeding mechanism comprises a feeding cylinder (4) and a feeding push rod (41), wherein the feeding cylinder (4) is used for driving the feeding push rod (41), and the feeding cylinder (4) is horizontally and transversely pushed.
8. The automatic slitting and grinding device for drum brake pads according to claim 1, wherein: the spacing between adjacent blades (15) is the same, the cutting edge of each blade (15) is perpendicular to the rotation axis of the cutting knife rest (11), the cutting knife rest (11) is driven by a separate motor, and the rotation axis of the cutting knife rest (11) is horizontally arranged in a transverse direction.
CN202210363629.7A 2022-04-08 2022-04-08 Automatic slitting and grinding device for drum brake pad Active CN115213694B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202210363629.7A CN115213694B (en) 2022-04-08 2022-04-08 Automatic slitting and grinding device for drum brake pad

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202210363629.7A CN115213694B (en) 2022-04-08 2022-04-08 Automatic slitting and grinding device for drum brake pad

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CN115213694B true CN115213694B (en) 2024-04-12

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Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110614402A (en) * 2019-09-23 2019-12-27 张羽 Plate slitting machine
CN110666593A (en) * 2019-10-18 2020-01-10 吉林大学 Automatic processing line for motorcycle shoe type brake lining
CN110757169A (en) * 2019-11-27 2020-02-07 张燕 Cutting and polishing integrated device for aluminum alloy machining and using method thereof
CN211029255U (en) * 2019-10-18 2020-07-17 吉林大学 Automatic processing line for motorcycle shoe type brake lining
CN111660175A (en) * 2020-07-06 2020-09-15 湖北龙运汽车配件有限公司 Polishing machine tool for outer arc surface of drum brake pad
CN112372309A (en) * 2020-11-27 2021-02-19 温州金石机器人科技有限公司 Cutting and polishing assembly line for casting head of automobile casting
CN214603063U (en) * 2021-05-08 2021-11-05 宜春科锂新能源有限公司 Trimming device suitable for battery
CN215903265U (en) * 2021-08-23 2022-02-25 莆田市荣兴机械有限公司 Drum brake shoe polishing processing line

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110614402A (en) * 2019-09-23 2019-12-27 张羽 Plate slitting machine
CN110666593A (en) * 2019-10-18 2020-01-10 吉林大学 Automatic processing line for motorcycle shoe type brake lining
CN211029255U (en) * 2019-10-18 2020-07-17 吉林大学 Automatic processing line for motorcycle shoe type brake lining
CN110757169A (en) * 2019-11-27 2020-02-07 张燕 Cutting and polishing integrated device for aluminum alloy machining and using method thereof
CN111660175A (en) * 2020-07-06 2020-09-15 湖北龙运汽车配件有限公司 Polishing machine tool for outer arc surface of drum brake pad
CN112372309A (en) * 2020-11-27 2021-02-19 温州金石机器人科技有限公司 Cutting and polishing assembly line for casting head of automobile casting
CN214603063U (en) * 2021-05-08 2021-11-05 宜春科锂新能源有限公司 Trimming device suitable for battery
CN215903265U (en) * 2021-08-23 2022-02-25 莆田市荣兴机械有限公司 Drum brake shoe polishing processing line

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