Automatic feeding equipment for brake disc machining and using method

Abstract

The invention relates to the technical field of brake disc machining, in particular to automatic feeding equipment for brake disc machining and a using method, and solves the problems that a cladding surface of an existing brake disc is inconvenient to treat before laser cladding, cleanliness of the cladding surface cannot be guaranteed, and then the laser cladding effect is affected during feeding machining. A plurality of positioning rotation mechanisms are installed on the inner side of the conveying transmission mechanism, a prepared material processing mechanism is installed at the upper end of the conveying transmission mechanism, the positioning rotation mechanisms are arranged in a curved mode, each positioning rotation mechanism comprises a folding plate, and each folding plate is composed of a first swing plate and a second swing plate. The two ends of the first swing plate and the two ends of the second swing plate are rotationally connected with guide wheels correspondingly. According to the device, the brake disc is automatically positioned and conveyed, and the brake disc rotates while being conveyed, so that the brake disc is conveniently polished, cleaned and preheated, and the laser cladding quality is effectively guaranteed.

Description

Technical Field

[0001] This invention relates to the field of brake disc processing technology, specifically to an automatic feeding device and its usage method for brake disc processing. Background Technology

[0002] Brakes are the braking devices used in automobiles for braking and emergency braking. Brakes can be divided into disc brakes and drum brakes. Disc brakes have better heat dissipation than drum brakes and are less prone to heat fade under high-speed braking conditions, so they have better high-speed braking performance. Disc brakes are mainly composed of brake calipers and brake discs. With the development of the automotive industry, the performance requirements for brake discs are getting higher and higher. Automobile brake discs need to undergo riveting and laser cladding assembly processes. The application of laser cladding technology on brake discs can effectively improve the hardness, wear resistance, high temperature resistance and corrosion resistance of brake discs.

[0003] Existing brake discs are not suitable for laser cladding, making it difficult to treat the cladding surface and ensure its cleanliness, which in turn affects the laser cladding effect during material feeding. Therefore, they do not meet the current requirements. To address this, we propose an automatic feeding device and its usage method for brake disc processing. Summary of the Invention

[0004] The purpose of this invention is to provide an automatic feeding device and method for processing brake discs, in order to solve the problem mentioned in the background art that it is not convenient to process the cladding surface of existing brake discs before laser cladding, and it is impossible to ensure the cleanliness of the cladding surface, which in turn affects the laser cladding effect during feeding and processing.

[0005] To achieve the above objectives, the present invention provides the following technical solution: an automatic feeding device for brake disc processing, comprising a conveying transmission mechanism, wherein multiple positioning and rotating mechanisms are installed on the inner side of the conveying transmission mechanism, and a material preparation mechanism is installed on the upper end of the conveying transmission mechanism. The multiple positioning and rotating mechanisms are arranged in a curved shape. Each positioning and rotating mechanism includes a folding plate, which is composed of a first swing plate and a second swing plate. Guide wheels are rotatably connected to both ends of the first and second swing plates. Positioning units are installed on the upper surfaces of the first and second swing plates. Each positioning unit includes two transmission seats. Guide rods and adjusting rods are installed on the inner sides of the bottom ends of the two transmission seats. Positioning wheels are rotatably connected to the adjacent ends of the two transmission seats. A second transmission motor is fixedly installed on one side of one of the transmission seats. The material preparation and processing mechanism includes a conical dust collection hood, on the inner side of which multiple isolation plates are fixedly installed. Multiple processing chambers are formed between the conical dust collection hood and the multiple isolation plates. Multiple grinding units and multiple preheating units are installed sequentially from back to front on the inner side of the multiple processing chambers.

[0006] Preferably, the conveying transmission mechanism includes a conveyor frame, a first transmission motor is fixedly installed at one end of the conveyor frame, a conveyor belt is movably installed on the inner side of the middle of the conveyor frame, transmission rollers are installed on the inner sides of both ends of the conveyor belt, two transmission chains are fixedly installed in the middle of the conveyor belt, a guide support groove plate is fixedly installed on the inner side of the upper end of the conveyor frame, the two ends of the conveyor frame are rotatably connected to the two transmission rollers, the output end of the first transmission motor passes through the conveyor frame and is fixedly connected to one of the transmission rollers, the conveyor frame and the conveyor belt are connected by transmission through the two transmission rollers, and the rotation direction of the conveyor belt is counterclockwise.

[0007] Preferably, the material preparation and processing mechanism further includes multiple exhaust pipes fixedly connected to the upper end of the conical dust collection hood. The conical dust collection hood is connected in a through manner to the multiple exhaust pipes. A gearbox is fixedly installed at the rear end of the conical dust collection hood. A third drive motor is fixedly installed on one side of the gearbox. A drive screw is installed on the inner side of the front end of the gearbox. Drive bars are installed on the outer sides of both ends of the drive screw. A guide post is slidably connected to the inner side of the front end of the two drive bars.

[0008] Preferably, the polishing unit includes two transmission angle plates, a fourth transmission motor is fixedly installed at the bottom end of the transmission angle plates, and a polishing mounting base is fixedly installed at the output end of the fourth transmission motor. One of the polishing units also includes a soft abrasive head fixedly connected to the polishing mounting base, and the remaining polishing units also include a hard abrasive head fixedly connected to the polishing mounting base.

[0009] Preferably, the preheating unit includes two preheating seats, and a temperature monitoring rod is installed directly below the two preheating seats. The two preheating seats and the temperature monitoring rod are symmetrically installed with respect to the axis of the conical dust collection hood. The conical dust collection hood is fixedly connected to the preheating seats and the temperature monitoring rod. A heating coil is provided at the end of each of the two adjacent preheating units, and a temperature sensor is provided at the end of each of the two adjacent temperature monitoring rods.

[0010] Preferably, both ends of the first swing plate and the second swing plate are fixedly connected to two transmission chains. The first swing plate and the second swing plate are rotatably connected by a pin. The guide support groove plate is fitted and installed on the outer side of the upper end of the conveyor belt. The upper end of the guide support groove plate is provided with two symmetrically arranged arc grooves. The guide wheel is inserted into the inner side of the arc groove and rolls in contact with the guide support groove plate.

[0011] Preferably, a brake disc is provided between two adjacent positioning units, and the four transmission seats in the two adjacent positioning units are slidably connected to the first swing plate, the second swing plate and the two guide rods. The two adjacent transmission seats are symmetrically installed. The two ends of the adjusting rod are provided with external threads with opposite directions of rotation. The two ends of the adjusting rod are threadedly connected to the two transmission seats. The output end of the second transmission motor passes through the transmission seat and is fixedly connected to the positioning wheel.

[0012] Preferably, the bottom end of the conical dust collection hood is fixedly connected to the conveyor frame, the gearbox is equipped with a gear set, the output end of the third transmission motor is connected to the middle part of the transmission screw through the gear set, the outer surfaces of both ends of the transmission screw are provided with threads of opposite directions, the two ends of the transmission screw are connected to two transmission bars through threads, the upper ends of the plurality of transmission angle plates all penetrate the conical dust collection hood and are fixedly connected to the two transmission bars, and the conical dust collection hood is slidably connected to the plurality of transmission angle plates.

[0013] Preferably, two adjacent hard abrasive heads and soft abrasive heads are symmetrically installed with respect to the axis of the conical dust collection hood, and the soft abrasive head is located between the multiple hard abrasive heads and the preheating seat.

[0014] A method of using an automatic feeding device for brake disc processing includes the following steps: S1: Adjust the distance between the two positioning wheels in the positioning unit according to the thickness of the brake disc. Specifically, rotate the adjusting rod so that the adjusting rod drives the two transmission seats to slide back and forth in opposite directions on the outside of the guide rod, thereby facilitating the adjustment of the distance between the positioning wheels driven by the transmission seats. Then, place the brake disc that needs to be clad between the two positioning units so that the brake disc is inserted between the four positioning wheels in the two positioning units. S2: Connect the power supply and start the first drive motor. Under the support of the conveyor frame, the first drive motor drives multiple positioning and rotating mechanisms to rotate counterclockwise through two drive rollers, a conveyor belt, and two drive chains. At the same time, the four corners of the folding plate are guided by guide wheels on the inside of the guide support groove plate to prevent the first and second swing plates from swinging during movement and to maintain stable delivery of the brake disc. Simultaneously, start the second drive motor, which drives the brake disc to rotate through one of the positioning wheels. S3: When two transmission chains drive multiple brake discs from back to front through multiple positioning and rotating mechanisms, they pass through multiple processing chambers formed between a conical dust collection hood and multiple isolation plates. When the brake discs move sequentially into the grinding unit with hard and soft abrasive heads, the third transmission motor is started. The third transmission motor drives the transmission screw to rotate through the gear set in the gearbox. The transmission screw then drives two transmission bars to move towards each other under the guidance of the guide column. This allows for the adjustment of the spacing between two adjacent hard abrasive heads and two adjacent soft abrasive heads, making it easier to maintain the contact between the brake disc surface and the hard and soft abrasive heads. S4: Start the fourth drive motor, which, supported by the drive angle plate, drives the hard and soft abrasive heads to rotate through the grinding mounting base. The hard and soft abrasive heads then grind and clean both sides of the rotating brake disc in sequence, keeping the brake disc surface clean. Then, the two preheating units use heating coils to rotate and heat the brake disc surface, achieving sufficient preheating before the brake disc is clad. The temperature is monitored by a temperature sensor at the end of the temperature monitoring rod. S5: The isolation plate can separate the hard grinding head, soft grinding head and preheating seat to avoid interference. The grinding unit and preheating unit can be used to prepare the brake disc for cladding.

[0015] Compared with the prior art, the beneficial effects of the present invention are: 1. In this invention, when the adjusting rod rotates, it drives two transmission seats to slide back and forth in opposite directions on the outside of the guide rod, which facilitates the transmission seats to drive the positioning wheels to adjust the spacing to meet different brake disc sizes. The brake disc is inserted between the four positioning wheels in the two positioning units. The four corners of the folding plate are guided to move on the inside of the guide support groove plate through the guide wheels, which prevents the first swing plate and the second swing plate from swinging during movement and maintains stable delivery of the brake disc. The third transmission motor drives the transmission screw to rotate through the gear set in the gearbox, which in turn drives the two transmission bars to move in opposite directions under the guidance of the guide column, so as to adjust the spacing between the two adjacent hard abrasive heads and the two adjacent soft abrasive heads, which facilitates the contact between the brake disc surface and the hard abrasive head and the soft abrasive head. 2. In this invention, the fourth drive motor drives the hard abrasive head and the soft abrasive head to rotate via the grinding mounting base. The hard abrasive head and the soft abrasive head can then grind and clean both sides of the rotating brake disc in sequence, keeping the brake disc surface clean. Subsequently, two preheating units can rotate and heat the brake disc surface through heating coils, achieving sufficient preheating before the brake disc is clad. The temperature is monitored by a temperature sensor at the end of the temperature monitoring rod. The hard abrasive head, the soft abrasive head, and the preheating base are separated by an isolation plate to avoid interference. The grinding unit and the preheating unit can prepare the brake disc for cladding. Attached Figure Description

[0016] Figure 1 This is a schematic diagram of the overall structure of the present invention; Figure 2 This is a top view of the entire invention; Figure 3 This is a schematic diagram of the installation structure of the positioning and rotation mechanism of the present invention; Figure 4 This is a schematic cross-sectional view of the overall structure of the present invention; Figure 5 For the present invention Figure 2 Enlarged structural diagram of region A in the middle; Figure 6 This is a partial structural schematic diagram of the positioning and rotation mechanism of the present invention; Figure 7 This is a schematic diagram of the material preparation and processing mechanism of the present invention; Figure 8 This is a bottom view of the material preparation and processing mechanism of the present invention; Figure 9 This is a cross-sectional structural diagram of the material preparation and processing mechanism of the present invention; Figure 10 This is a cross-sectional structural diagram of the grinding unit of the present invention.

[0017] In the diagram: 1. Conveying transmission mechanism; 101. Conveying frame; 102. Transmission roller; 103. First transmission motor; 104. Conveyor belt; 105. Transmission chain; 106. Guide support trough plate; 2. Positioning and rotation mechanism; 201. Folding plate; 202. First swing plate; 203. Second swing plate; 204. Guide wheel; 205. Positioning unit; 206. Transmission seat; 207. Positioning wheel; 208. Guide rod; 209. Adjusting rod; 210. Second transmission motor; 3. Material preparation and handling mechanism; 301. Conical dust collection hood; 302. Exhaust pipe; 303. Third drive motor; 304. Gearbox; 305. Drive screw; 306. Guide column; 307. Drive bar; 308. Grinding unit; 309. Isolation plate; 310. Drive angle plate; 311. Fourth drive motor; 312. Grinding mounting base; 313. Hard abrasive head; 314. Preheating unit; 315. Preheating seat; 316. Temperature monitoring rod; 317. Soft abrasive head. Detailed Implementation

[0018] The technical solutions of the present invention will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present invention. Obviously, the described embodiments are only some embodiments of the present invention, and not all embodiments.

[0019] The first drive motor 103 (model GV50-3.7KW-60-S), the second drive motor 210 (model MDSKSRS080), the third drive motor 303 (model MDSKSRS080), and the fourth drive motor 311 (model KOM7080) mentioned in this invention can all be obtained from the market or through private customization.

[0020] Please see Figures 1 to 4An embodiment of the present invention provides an automatic feeding device for brake disc processing, comprising a conveying transmission mechanism 1, a plurality of positioning and rotating mechanisms 2 installed on the inner side of the conveying transmission mechanism 1, and a material preparation mechanism 3 installed on the upper end of the conveying transmission mechanism 1. The plurality of positioning and rotating mechanisms 2 are arranged in a curved shape. The conveying transmission mechanism 1 includes a conveyor frame 101, a first drive motor 103 fixedly installed at one end of the conveyor frame 101, a conveyor belt 104 movably installed on the inner side of the middle of the conveyor frame 101, drive rollers 102 installed on the inner sides of both ends of the conveyor belt 104, and two drive chains 1 fixedly installed in the middle of the conveyor belt 104. 05. A guide support trough plate 106 is fixedly installed on the inner side of the upper end of the conveyor frame 101. The two ends of the conveyor frame 101 are rotatably connected to two transmission rollers 102. The output end of the first transmission motor 103 passes through the conveyor frame 101 and is fixedly connected to one of the transmission rollers 102. The conveyor frame 101 and the conveyor belt 104 are connected by transmission through two transmission rollers 102. The rotation direction of the conveyor belt 104 is counterclockwise, so that the first transmission motor 103, under the support of the conveyor frame 101, synchronously drives multiple positioning self-rotating mechanisms 2 to rotate counterclockwise through two transmission rollers 102, conveyor belt 104 and two transmission chains 105.

[0021] Please see Figures 3 to 6 The positioning and rotating mechanism 2 includes a folding plate 201, which is composed of a first swing plate 202 and a second swing plate 203. Guide wheels 204 are rotatably connected to both ends of the first swing plate 202 and the second swing plate 203. Both ends of the first swing plate 202 and the second swing plate 203 are fixedly connected to two transmission chains 105. The first swing plate 202 and the second swing plate 203 are rotatably connected by pins. The guide support groove plate 106 is fitted and installed on the outer side of the upper end of the conveyor belt 104. The upper end of the guide support groove plate 106 is provided with two symmetrically arranged arc grooves. The guide wheels 204 are inserted into the inner side of the arc grooves and roll in contact with the guide support groove plate 106. The four corners of the folding plate 201 are guided to move inside the guide support groove plate 106 through the guide wheels 204, so as to avoid the first swing plate 202 and the second swing plate 203 from swinging when moving and maintain stable delivery to the brake disc. Positioning units 205 are installed on the upper surfaces of the first swing plate 202 and the second swing plate 203. Each positioning unit 205 includes two transmission seats 206. Guide rods 208 and adjusting rods 209 are installed on the inner sides of the bottom ends of the two transmission seats 206. Positioning wheels 207 are rotatably connected to the adjacent ends of the two transmission seats 206. A second drive motor 210 is fixedly installed on one side of one of the transmission seats 206. A brake disc is provided between two adjacent positioning units 205. The four transmission seats 206 in two adjacent positioning units 205 are connected to the first swing plate 202 and the second swing plate 203. 03 and the two guide rods 208 are slidably connected. The two adjacent transmission seats 206 are symmetrically installed. The two ends of the adjusting rod 209 are provided with external threads with opposite directions of rotation. The two ends of the adjusting rod 209 are connected to the two transmission seats 206 by threads. The output end of the second transmission motor 210 passes through the transmission seat 206 and is fixedly connected to the positioning wheel 207. The adjusting rod 209 drives the two transmission seats 206 to slide back and forth in opposite directions on the outside of the guide rod 208, which facilitates the transmission seats 206 to drive the positioning wheel 207 to adjust the spacing, so as to meet the positioning operation of brake discs of different thicknesses.

[0022] Please see Figure 7 and Figure 8 The material preparation and processing mechanism 3 includes a conical dust collection hood 301. Multiple isolation plates 309 are fixedly installed on the inner side of the conical dust collection hood 301. Multiple exhaust pipes 302 are fixedly installed on the upper end of the conical dust collection hood 301, and the conical dust collection hood 301 is connected to the multiple exhaust pipes 302. A gearbox 304 is fixedly installed at the rear end of the conical dust collection hood 301. A third drive motor 303 is fixedly installed on one side of the gearbox 304. A drive screw 305 is installed on the inner side of the front end of the gearbox 304. Drive bars 307 are installed on the outer sides of both ends of the drive screw 305. A guide post 306 is slidably connected to the inner side of the front end of each of the two drive bars 307. The bottom end of the conical dust collection hood 301 is fixedly connected to the conveyor frame 101. The gearbox 304 is equipped with a gear set. The output end of the third drive motor 303 is connected to the middle part of the drive screw 305 through the gear set. The outer surfaces of both ends of the drive screw 305 are provided with threads in opposite directions. The two ends of the drive screw 305 are connected to the two drive bars 307 through threads, so that the gear set of the third drive motor 303 drives the drive screw 305 to rotate. In turn, the drive screw 305 drives the two drive bars 307 to move in opposite directions, so as to adjust the distance between the two adjacent hard abrasive heads 313 and the two adjacent soft abrasive heads 317.

[0023] Please see Figure 8 and Figure 10Multiple processing chambers are formed between the conical dust collection hood 301 and multiple isolation plates 309. Multiple grinding units 308 and multiple preheating units 314 are sequentially installed on the inner sides of the multiple processing chambers from back to front. Each grinding unit 308 includes two transmission angle plates 310. The upper ends of the multiple transmission angle plates 310 all penetrate the conical dust collection hood 301 and are fixedly connected to two transmission bars 307. The conical dust collection hood 301 is slidably connected to the multiple transmission angle plates 310. A fourth transmission motor 311 is fixedly installed at the bottom end of each transmission angle plate 310. A grinding mounting base 312 is fixedly installed at the output end of the fourth transmission motor 311. One of the... Each grinding unit 308 also includes a soft abrasive head 317 fixedly connected to the grinding mounting base 312. The remaining grinding units 308 also include hard abrasive heads 313 fixedly connected to the grinding mounting base 312. Two adjacent hard abrasive heads 313 and soft abrasive heads 317 are symmetrically installed relative to the axis of the conical dust collection cover 301. The soft abrasive head 317 is located between the multiple hard abrasive heads 313 and the preheating base 315. The hard abrasive head 313 and soft abrasive head 317 can sequentially grind and clean the two sides of the brake disc in a rotating state, keeping the brake disc surface clean.

[0024] Please see Figure 8 and Figure 9 The preheating unit 314 includes two preheating seats 315. A temperature monitoring rod 316 is installed directly below the two preheating seats 315. The two preheating seats 315 and the temperature monitoring rod 316 are symmetrically installed with respect to the axis of the conical dust collection hood 301. The conical dust collection hood 301 is fixedly connected to the preheating seats 315 and the temperature monitoring rod 316. A heating coil is provided at the end of each of the two adjacent preheating units 314. A temperature sensor is provided at the end of each of the two adjacent temperature monitoring rods 316. The preheating unit 314 can rotate and heat the brake disc surface through the heating coil to achieve sufficient preheating before the brake disc is clad.

[0025] A method of using an automatic feeding device for brake disc processing includes the following steps: S1: Adjust the spacing between the two positioning wheels 207 in the positioning unit 205 according to the thickness of the brake disc. Specifically, rotate the adjusting rod 209 so that the adjusting rod 209 drives the two transmission seats 206 to slide back and forth in opposite directions on the outside of the guide rod 208, thereby facilitating the adjustment of the spacing between the positioning wheels 207 driven by the transmission seats 206. Then, place the brake disc that needs to be clad between the two positioning units 205 so that the brake disc is inserted between the four positioning wheels 207 in the two positioning units 205. S2: Connect the power supply and start the first drive motor 103. Under the support of the conveyor frame 101, the first drive motor 103 drives multiple positioning and rotating mechanisms 2 to rotate counterclockwise through two drive rollers 102, conveyor belt 104 and two drive chains 105. At the same time, the four corners of the folding plate 201 are guided to move inside the guide support groove plate 106 through guide wheels 204 to prevent the first swing plate 202 and the second swing plate 203 from swinging during movement and to maintain stable delivery of the brake disc. At the same time, start the second drive motor 210, so that the second drive motor 210 drives the brake disc to rotate through one of the positioning wheels 207. S3: When the two transmission chains 105 drive multiple brake discs from back to front through multiple positioning and rotating mechanisms 2, they pass through multiple processing chambers formed between the conical dust collection hood 301 and multiple isolation plates 309. When the brake discs move into the grinding unit 308 with hard abrasive heads 313 and soft abrasive heads 317, the third transmission motor 303 is started. The third transmission motor 303 drives the transmission screw 305 to rotate through the gear set in the gearbox 304. Then, the transmission screw 305 drives the two transmission bars 307 to move towards each other under the guidance of the guide column 306. This allows for the adjustment of the spacing between two adjacent hard abrasive heads 313 and two adjacent soft abrasive heads 317, so as to maintain the contact between the brake disc surface and the hard abrasive head 313 and the soft abrasive head 317. S4: Start the fourth drive motor 311, which, under the support of the drive angle plate 310, drives the hard abrasive head 313 and the soft abrasive head 317 to rotate through the grinding mounting base 312. The hard abrasive head 313 and the soft abrasive head 317 can then grind and clean the two sides of the rotating brake disc in sequence, keeping the brake disc surface clean. Then, the two preheating units 314 can rotate and heat the brake disc surface through heating coils to achieve sufficient preheating before the brake disc is clad. The temperature is monitored by the temperature sensor at the end of the temperature monitoring rod 316. S5: The hard grinding head 313, soft grinding head 317 and preheating seat 315 can be separated by the isolation plate 309 to avoid interference. The brake disc can be prepared for cladding by the grinding unit 308 and the preheating unit 314.

[0026] It will be apparent to those skilled in the art that the present invention is not limited to the details of the exemplary embodiments described above, and that the invention can be implemented in other specific forms without departing from its spirit or essential characteristics. Therefore, the embodiments should be considered in all respects as exemplary and non-limiting, and the scope of the invention is defined by the appended claims rather than the foregoing description. Thus, all variations falling within the meaning and scope of equivalents of the claims are intended to be included within the present invention. No reference numerals in the claims should be construed as limiting the scope of the claims.

Claims

1. An automatic feeding device for brake disc processing, comprising a conveying transmission mechanism (1), wherein a plurality of positioning and rotating mechanisms (2) are installed on the inner side of the conveying transmission mechanism (1), and a material preparation processing mechanism (3) is installed on the upper end of the conveying transmission mechanism (1), characterized in that: Multiple positioning and rotating mechanisms (2) are arranged in a curved shape. Each positioning and rotating mechanism (2) includes a folding plate (201). The folding plate (201) is composed of a first swing plate (202) and a second swing plate (203). Both ends of the first swing plate (202) and the second swing plate (203) are rotatably connected to guide wheels (204). The upper surfaces of the first swing plate (202) and the second swing plate (203) are each equipped with a positioning unit (205). The positioning unit (205) includes two transmission seats (206). The inner sides of the bottom ends of the two transmission seats (206) are equipped with guide rods (208) and adjusting rods (209). The adjacent ends of the two transmission seats (206) are rotatably connected to positioning wheels (207). A second transmission motor (210) is fixedly installed on one side of one of the transmission seats (206). The material preparation and processing mechanism (3) includes a conical dust collection hood (301), and multiple isolation plates (309) are fixedly installed on the inner side of the conical dust collection hood (301). Multiple processing chambers are formed between the conical dust collection hood (301) and the multiple isolation plates (309). Multiple grinding units (308) and multiple preheating units (314) are installed sequentially from back to front on the inner side of the multiple processing chambers.

2. The automatic feeding device for brake disc processing according to claim 1, characterized in that: The conveying transmission mechanism (1) includes a conveyor frame (101), a first transmission motor (103) is fixedly installed at one end of the conveyor frame (101), a conveyor belt (104) is movably installed on the inner side of the middle part of the conveyor frame (101), transmission rollers (102) are installed on the inner sides of both ends of the conveyor belt (104), two transmission chains (105) are fixedly installed in the middle of the conveyor belt (104), a guide support trough plate (106) is fixedly installed on the inner side of the upper end of the conveyor frame (101), the two ends of the conveyor frame (101) are rotatably connected to the two transmission rollers (102), the output end of the first transmission motor (103) passes through the conveyor frame (101) and is fixedly connected to one of the transmission rollers (102), the conveyor frame (101) and the conveyor belt (104) are connected by transmission through the two transmission rollers (102), and the rotation direction of the conveyor belt (104) is counterclockwise.

3. The automatic feeding device for brake disc processing according to claim 2, characterized in that: The material preparation and processing mechanism (3) also includes multiple exhaust pipes (302) fixedly connected to the upper end of the conical dust collection hood (301). The conical dust collection hood (301) is connected to the multiple exhaust pipes (302). A gearbox (304) is fixedly installed at the rear end of the conical dust collection hood (301). A third drive motor (303) is fixedly installed on one side of the gearbox (304). A drive screw (305) is installed on the inner side of the front end of the gearbox (304). A drive bar (307) is installed on the outer side of both ends of the drive screw (305). A guide post (306) is slidably connected to the inner side of the front end of the two drive bars (307).

4. The automatic feeding device for brake disc processing according to claim 3, characterized in that: The polishing unit (308) includes two transmission angle plates (310). A fourth transmission motor (311) is fixedly installed at the bottom end of the transmission angle plate (310). A polishing mounting base (312) is fixedly installed at the output end of the fourth transmission motor (311). One of the polishing units (308) also includes a soft abrasive head (317) fixedly connected to the polishing mounting base (312). The remaining polishing units (308) also include a hard abrasive head (313) fixedly connected to the polishing mounting base (312).

5. The automatic feeding device for brake disc processing according to claim 4, characterized in that: The preheating unit (314) includes two preheating seats (315), and a temperature monitoring rod (316) is installed directly below the two preheating seats (315). The two preheating seats (315) and the temperature monitoring rod (316) are symmetrically installed with respect to the axis of the conical dust collection hood (301). The conical dust collection hood (301) is fixedly connected to the preheating seats (315) and the temperature monitoring rod (316). A heating coil is provided at the end of each of the two adjacent preheating units (314), and a temperature sensor is provided at the end of each of the two adjacent temperature monitoring rods (316).

6. The automatic feeding device for brake disc processing according to claim 5, characterized in that: Both ends of the first swing plate (202) and the second swing plate (203) are fixedly connected to two transmission chains (105). The first swing plate (202) and the second swing plate (203) are rotatably connected by a pin. The guide support groove plate (106) is fitted and installed on the outer side of the upper end of the conveyor belt (104). The upper end of the guide support groove plate (106) is provided with two symmetrically arranged arc grooves. The guide wheel (204) is inserted into the inner side of the arc groove and rolls in contact with the guide support groove plate (106).

7. The automatic feeding device for brake disc processing according to claim 6, characterized in that: A brake disc is provided between two adjacent positioning units (205). The four transmission seats (206) in the two adjacent positioning units (205) are slidably connected to the first swing plate (202), the second swing plate (203) and the two guide rods (208). The two adjacent transmission seats (206) are symmetrically installed. The two ends of the adjusting rod (209) are provided with external threads with opposite directions of rotation. The two ends of the adjusting rod (209) are threadedly connected to the two transmission seats (206). The output end of the second drive motor (210) passes through the transmission seat (206) and is fixedly connected to the positioning wheel (207).

8. The automatic feeding device for brake disc processing according to claim 7, characterized in that: The bottom end of the conical dust collection hood (301) is fixedly connected to the conveyor frame (101). The gearbox (304) is equipped with a gear set inside. The output end of the third transmission motor (303) is connected to the middle part of the transmission screw (305) through the gear set. The outer surfaces of both ends of the transmission screw (305) are provided with threads of opposite directions. The two ends of the transmission screw (305) are connected to the two transmission bars (307) through threads. The upper ends of the multiple transmission angle plates (310) all pass through the conical dust collection hood (301) and are fixedly connected to the two transmission bars (307). The conical dust collection hood (301) is slidably connected to the multiple transmission angle plates (310).

9. An automatic feeding device for brake disc processing according to claim 8, characterized in that: The two adjacent hard abrasive heads (313) and soft abrasive heads (317) are symmetrically installed relative to the axis of the conical dust collection hood (301), with the soft abrasive head (317) located between the multiple hard abrasive heads (313) and the preheating seat (315).

10. A method of using an automatic feeding device for brake disc processing, as described in any one of claims 1-9, characterized in that, Includes the following steps: S1: Adjust the spacing between the two positioning wheels (207) in the positioning unit (205) according to the thickness of the brake disc. Specifically, rotate the adjusting rod (209) so that the adjusting rod (209) drives the two transmission seats (206) to slide back and forth in opposite directions on the outside of the guide rod (208), thereby facilitating the transmission seats (206) to drive the positioning wheels (207) to adjust the spacing. Then, place the brake disc that needs to be clad between the two positioning units (205) so that the brake disc is inserted between the four positioning wheels (207) in the two positioning units (205). S2: Connect the power supply and start the first drive motor (103). Under the support of the conveyor frame (101), the first drive motor (103) drives multiple positioning and rotating mechanisms (2) to rotate counterclockwise through two drive rollers (102), conveyor belt (104) and two drive chains (105). At the same time, the four corners of the folding plate (201) are guided to move inside the guide support groove plate (106) through guide wheels (204) to avoid the first swing plate (202) and the second swing plate (203) from swinging during movement, and to maintain stable delivery to the brake disc. At the same time, start the second drive motor (210) so that the second drive motor (210) drives the brake disc to rotate through one of the positioning wheels (207). S3: When the two transmission chains (105) drive multiple brake discs from back to front through multiple positioning and rotating mechanisms (2), they pass through multiple processing chambers formed between the conical dust collection hood (301) and multiple isolation plates (309). When the brake discs move into the grinding unit (308) with hard abrasive heads (313) and soft abrasive heads (317), the third transmission motor (303) is started, so that the third transmission motor (303) drives the transmission screw (305) to rotate through the gear set in the gearbox (304). Then, the transmission screw (305) drives the two transmission bars (307) to move towards each other under the guidance of the guide column (306), so that the spacing between the two adjacent hard abrasive heads (313) and the two adjacent soft abrasive heads (317) can be adjusted, so as to keep the brake disc surface in close contact with the hard abrasive head (313) and the soft abrasive head (317). S4: Start the fourth drive motor (311), so that the fourth drive motor (311) drives the hard abrasive head (313) and the soft abrasive head (317) to rotate through the grinding mounting base (312) under the support of the transmission angle plate (310). Then, the hard abrasive head (313) and the soft abrasive head (317) can grind and clean the two sides of the brake disc in the rotating state in sequence to keep the brake disc surface clean. Then, the two preheating units (314) can rotate and heat the brake disc surface through the heating coil to achieve sufficient preheating operation before the brake disc is clad. The temperature is monitored by the temperature sensor at the end of the temperature monitoring rod (316). S5: The hard grinding head (313), soft grinding head (317) and preheating seat (315) can be separated by the isolation plate (309) to avoid interference. The brake disc can be clad and prepared by the grinding unit (308) and the preheating unit (314).

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