Brake disc polishing and finishing device

Abstract

The invention relates to the technical field of brake disc polishing, in particular to a brake disc polishing and finishing device which comprises a fixed mounting frame, two sliding rails are fixedly mounted at the top of the fixed mounting frame, a first sliding seat is slidably connected to one end of the top of each sliding rail, and a dust removal mechanism is arranged at the top of each second sliding seat. A control mechanism is fixedly connected to one side of the top of the fixed mounting frame, and when the edge side of the brake disc is polished, a first driving motor rotates to drive a driving disc to rotate, so that the driving disc conveniently drives a belt in the rotating process, two driven discs at one end of the belt rotate, and the polishing efficiency is improved. And in the rotating process of the rotating shafts, an abrasive paper polishing barrel with the outer side fixedly arranged in a sleeving mode is driven to polish the side of the brake disc to remove rust or burrs, and the polishing abrasive paper barrel needs to be replaced when polishing is conducted to a certain degree.

Description

Technical Field

[0001] The present invention relates to the technical field of brake disc grinding, in particular to a brake disc grinding and finishing device. Background Art

[0002] Brake discs are prone to scratches, grooves, or uneven thickness after long-term use, leading to reduced braking performance, abnormal noise, and other problems. Traditional repair methods rely on manual operation of angle grinders or lathes, which have the following drawbacks: Traditional manual grinding can easily lead to uneven thickness or uneven surface precision of the brake disc, and the brake disc needs to be manually rotated during the grinding process, which has low grinding efficiency. During the grinding process, large amounts of polluted dust are generated and spread, endangering the health of the operator. Summary of the Invention

[0003] In view of the deficiencies in the prior art, the present invention provides a brake disc grinding and dressing device, which solves the problems raised in the background technology.

[0004] To achieve the above-mentioned objectives, the present invention provides the following technical solutions: a brake disc grinding and dressing device, comprising a fixed mounting frame, two slide rails fixedly mounted on the top of the fixed mounting frame, one end of the top of the slide rail being slidably connected to a first sliding seat, one side of the top of the first sliding seat being fixedly connected to a grinding mechanism, the other side of the top of the first sliding seat being fixedly connected to a fixing mechanism, a grinding limiting mechanism being provided on the top of the fixing mechanism, a second sliding seat being slidably connected to the top of the other end of the slide rail, a dust removal mechanism being provided on the top of the second sliding seat, and a control mechanism being fixedly connected to one side of the top of the fixed mounting frame.

[0005] Preferably, the grinding mechanism includes a limited slide slot that opens and closes with the top of the first sliding seat, the inside of the limited slide slot is fixedly connected to the first electric telescopic rod, one end of the first electric telescopic rod is fixedly connected to the movable seat that is slidably connected to the limited slide slot, the bottom of the movable seat is fixedly connected to the first driving motor, the transmission end of the first driving motor is fixedly connected to the main turntable, one end of the top of the movable seat is movably connected to two slave turntables, the top of the slave turntable is fixedly connected to the rotating shaft, the top of the rotating shaft is interspersed with a top plate, the bottom end of the top plate is fixedly connected to the second electric telescopic rod, both sides of the top plate are fixedly connected to guide rods, the bottom ends of the guide rods are interspersed with the movable seat, and the main turntable and the outer sides of the two driven disks are transmission-connected by belts.

[0006] Preferably, the fixing mechanism includes a circular fixing seat fixedly connected to the top of the first sliding seat, the top of the circular fixing seat is movably connected to a rotating disk, the top of the rotating disk is fixedly connected to a plurality of fixed limiting columns, the side of the first sliding seat is fixedly connected to a device frame, the top of the device frame is fixedly connected to an arc-shaped shell, a temperature sensor is fixedly installed on one side of the arc-shaped shell, and the top of the rotating disk is fixedly connected to a pressure sensor.

[0007] Preferably, one side of the first sliding seat is fixedly connected to an electric hydraulic cylinder.

[0008] Preferably, the polishing limit mechanism includes a fixing frame fixedly connected to both sides of the top of the fixed mounting frame, the top of the fixing frame is fixedly connected to a fixing plate, the middle part of the top of the fixing plate is fixedly connected to a third electric telescopic rod, the telescopic end of the third electric telescopic rod is fixedly connected to a device frame, the interior of the device frame is fixedly connected to a third driving motor, the transmission end of the third driving motor is fixedly connected to a fixed clamping disk, and the bottom end of the fixed clamping disk is provided with a limiting hole which is interlaced and connected with a plurality of limiting columns; A laser rangefinder is fixedly connected to one side of the bottom end of the fixed engaging disc.

[0009] Preferably, the top two ends of the fixed plate are fixedly connected to the fourth drive motor, the transmission end of each of the fourth drive motors is fixedly connected to a fixed shaft column, the bottom end of the fixed shaft column is fixedly connected to a mounting plate, one end of the mounting plate is fixedly connected to two small electric telescopic rods, the telescopic ends of the small electric telescopic rods are fixedly connected to a device plate, the top of the device plate is fixedly connected to a frequency-modulated motor, and the transmission end of the frequency-modulated motor is fixedly connected to a grinding disc.

[0010] Preferably, the dust removal mechanism includes a fourth electric telescopic rod fixedly connected to one side of the second sliding seat, a dust cleaner is fixedly connected to the top of the second sliding seat, an air inlet end of the dust cleaner is fixedly connected to a corrugated hose, one end of the corrugated hose is fixedly connected to a filter shell, a closed switch door is installed on one side of the filter shell, a plurality of filter screens are engaged with the interior of the filter shell, a dust hopper is provided on one side of the filter shell, and the bottom end of the filter shell is fixedly connected to a fifth electric telescopic rod.

[0011] Preferably, the control mechanism includes a circuit board fixedly connected to the top of the fixed mounting frame, a wireless signal transceiver module is fixedly connected to the top of the circuit board, one side of the wireless signal transceiver module is fixedly connected to a PLC controller, one side of the PLC controller is fixedly connected to a signal conversion module, and one side of the signal conversion module is fixedly connected to a liquid crystal display touch screen.

[0012] Compared with the prior art, the present invention has the following beneficial effects: The present invention provides a brake disc grinding and finishing device: 1. When grinding the side of the brake disc, the first driving motor drives the active disc to rotate, so that the active disc can easily drive the belt during the rotation, so that the two driven discs at one end of the belt rotate, thereby driving the two rotating shafts at the top to rotate. During the rotation of the rotating shaft, the sandpaper grinding cylinder fixed on the outside is driven to grind the side of the brake disc to remove rust or burrs. After a certain period of grinding, the sandpaper cylinder needs to be replaced. 2. When grinding the outer side of the automobile brake disc, the third drive motor is used to rotate the fixed engaging disc and the automobile brake disc on the rotating disc to rotate °, and then the fourth drive motor is used to rotate the fixed shaft column to adjust the angle of the mounting plate until the two grinding discs fit the outer side of the brake disc. The fourth drive motor is turned off, and the feeding pressure of the grinding disc and the brake disc is dynamically adjusted by a small electric telescopic rod to avoid excessive grinding of the brake disc. The laser beam of the brake laser rangefinder is scanned on the surface of the brake disc through the set brake laser rangefinder. The photoelectric receiving system captures the changes in the light signal in real time, and the data processing system processes and analyzes the received signals to obtain the smoothness data of the brake disc.

[0013] 3. Harmful dust is generated during the grinding of the brake disc. The fifth electric telescopic rod is used to push the filter housing and the dust hopper close to the side of the brake disc. Then, the vacuum cleaner is turned on to suck the harmful dust generated by grinding through the dust hopper through suction. The grinding dust is absorbed and filtered through several layers of filter screens inside the filter housing to filter the dust and prevent the operator from inhaling it. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a structural schematic diagram of the present invention; Figure 2 This is one of the structural diagrams of the present invention; Figure 3 It is a schematic structural diagram of the dust removal mechanism of the present invention; Figure 4 Schematic diagram of the filter screen structure of the present invention; Figure 5 It is a schematic structural diagram of the grinding mechanism of the present invention; Figure 6 This is a schematic diagram of the limiting chute structure of the present invention; Figure 7 This is a schematic structural diagram of the grinding and limiting mechanism of the present invention; Figure 8 This is a schematic structural diagram of the laser rangefinder of the present invention; Figure 9 Schematic diagram of the control mechanism structure of the present invention; Figure 10 It is a structural schematic diagram of the fixing mechanism of the present invention; Figure 11 It is a schematic structural diagram of the rotating disk of the present invention; Figure 12 This is the control flow intention of the present invention.

[0015] In the figure: 1, fixed mounting frame; 101, slide rail; 102, first sliding seat; 1021, electric hydraulic cylinder; 103, second sliding seat; 2, grinding mechanism; 201, limiting slide; 202, first electric telescopic rod; 203, moving seat; 204, first drive motor; 205, main turntable; 206, slave turntable; 207, rotating shaft; 208, top plate; 209, second electric telescopic rod; 2010, guide rod; 3. Fixing mechanism; 301. Circular fixing seat; 302. Rotating disk; 303. Limiting column; 304. Arc shell; 305. Temperature sensor; 306. Pressure sensor; 4. Grinding limit mechanism; 401. Fixed frame; 402. Fixed plate; 403. Third electric telescopic rod; 404. Device frame; 405. Third drive motor; 406. Fixed engaging disc; 407. Grinding disc; 408. Limiting hole; 409. Laser rangefinder; 4010. Fourth drive motor; 4011. Fixed shaft column; 4012. Small electric telescopic rod; 4013. Frequency-modulated motor; 5. Dust removal mechanism; 501. Fourth electric telescopic rod; 502. Vacuum cleaner; 503. Corrugated hose; 504. Filter housing; 505. Closing and switching door; 506. Filter screen; 507. Dust hopper; 6. Control mechanism; 601. Wireless signal transceiver module; 602. PLC controller; 603. Signal conversion module; 604. LCD touch screen. DETAILED DESCRIPTION

[0016] The following will clearly and completely describe the technical solutions in the embodiments of the present invention in conjunction with the accompanying drawings. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0017] The terms "first," "second," and the like in the specification and claims of this application are used to distinguish similar objects, and are not used to describe a specific order or precedence. It should be understood that the terms used in this manner are interchangeable where appropriate, so that the embodiments of this application can be implemented in an order other than that illustrated or described herein, and that the objects distinguished by "first," "second," and the like are generally of the same type, and do not limit the number of objects; for example, the first object can be one or more. In addition, the term "and / or" in the specification and claims refers to at least one of the connected objects, and the character " / " generally indicates that the objects connected are in an "or" relationship.

[0018] In the description of the present invention, it should be understood that the terms "center", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", etc., indicating the orientation or position relationship, are based on the orientation or position relationship shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operate in a specific orientation, and therefore cannot be understood as limiting the present invention.

[0019] In the description of the present invention, it should be noted that, unless otherwise expressly specified or limited, the terms "installed," "connected," and "disposed" should be understood in a broad sense. For example, they may refer to fixed connection or disposition, detachable connection or disposition, or integral connection or disposition. Those skilled in the art will understand the specific meanings of the above terms in the present invention based on specific circumstances.

[0020] like Figures 1-12 As shown, a brake disc grinding and dressing device proposed in the present invention includes a fixed mounting frame 1, two slide rails 101 are fixedly installed on the top of the fixed mounting frame 1, one end of the top of the slide rail 101 is slidably connected to a first sliding seat 102, one side of the top of the first sliding seat 102 is fixedly connected to a grinding mechanism 2, the other side of the top of the first sliding seat 102 is fixedly connected to a fixing mechanism 3, a grinding limiting mechanism 4 is provided on the top of the fixing mechanism 3, the top of the other end of the slide rail 101 is slidably connected to a second sliding seat 103, the top of the second sliding seat 103 is provided with a dust removal mechanism 5, and one side of the top of the fixed mounting frame 1 is fixedly connected to a control mechanism 6.

[0021] The grinding mechanism 2 includes a limited slide groove 201 that opens and closes with the top of the first sliding seat 102, and a first electric telescopic rod 202 is fixedly connected to the inside of the limited slide groove 201. One end of the first electric telescopic rod 202 is fixedly connected to a moving seat 203 that is slidably connected to the limiting slide groove 201, and the bottom end of the moving seat 203 is fixedly connected to a first driving motor 204. The transmission end of the first driving motor 204 is fixedly connected to a main turntable 205. One end of the top of the moving seat 203 is movably connected to two slave turntables 206, and the top of the slave turntable 206 is fixedly connected to a rotating shaft 207. The top of the rotating shaft 207 is interspersed with a top plate 208 for limiting the position, and the bottom end of the top plate 208 is fixedly connected to a second electric telescopic rod 209. Guide rods 2010 are fixedly connected to both sides of the top plate 208. The bottom end of the guide rod 2010 is interspersed with the moving seat 203, and the main turntable 205 is transmission-connected to the outer sides of the two slave turntables 206 by a belt.

[0022] During specific use, when grinding the side of the brake disc, in order to be able to replace the grinding sandpaper roll during grinding, the first electric telescopic rod 202 is extended and pushed to push the movable seat 203 inside the limiting slide 201, so that the movable seat 203 can move and adjust the grinding sandpaper roll close to the side of the brake disc for grinding during the limited sliding process. The rotation of the first driving motor 204 drives the main turntable 205 to rotate, so that the main turntable 205 is convenient to drive the belt during the rotation process, so that the two slave turntables 206 at one end of the belt are rotated, thereby driving the two rotating shafts 207 at the top to rotate. During the rotation of the rotating shaft 207, the sandpaper grinding roll fixed on the outer side is driven to grind the side of the brake disc to remove rust or burrs. When the grinding reaches a certain time, the grinding sandpaper roll needs to be replaced. The second electric telescopic rod 209 is extended and pushed to push the top plate 208, so that the grinding sandpaper roll on the rotating shaft 207 is removed, thereby facilitating the replacement of a new grinding sandpaper roll.

[0023] The fixing mechanism 3 includes a circular fixing seat 301 fixedly connected to the top of the first sliding seat 102, the top of the circular fixing seat 301 is movably connected to a rotating disk 302, the top of the rotating disk 302 is fixedly connected to a plurality of fixed limiting columns 303, the side of the first sliding seat 102 is fixedly connected to a device frame, the top of the device frame is fixedly connected to an arc-shaped shell 304, a temperature sensor 305 is fixedly installed on one side of the arc-shaped shell 304, and the top of the rotating disk 302 is fixedly connected to a pressure sensor 306.

[0024] During specific use, when grinding the automobile brake disc, the automobile brake disc needs to be limited and installed. In order to facilitate grinding, the automobile brake disc is installed on the rotating disc 302, and the automobile brake disc is limited by several limit columns 303 and inserted into the hole of the brake disc for limiting. The rotating disc 302 is driven to rotate in conjunction with the grinding limit mechanism 4, so that the automobile brake disc can be rotated 360° and ground. During the grinding process, the temperature of the brake disc is monitored by the temperature sensor 305 on the arc shell 304. In order to avoid deformation of the brake disc caused by excessive grinding temperature, the grinding structure of the brake disc is monitored by the pressure sensor 306 during the grinding process to monitor the data of the grinding pressure of the brake disc, so as to better control the grinding structure to adjust the dynamic feed amount and grind the outer side of the brake disc.

[0025] An electric hydraulic cylinder 1021 is fixedly connected to one side of the first sliding seat 102 .

[0026] During specific use, the electric hydraulic cylinder 1021 is provided to drive the first sliding seat 102 to push and slide on the slide rail 101, thereby removing the bottom of the grinding limit mechanism 4 to cut the grinded brake disc.

[0027] The grinding limit mechanism 4 includes a fixing frame 401 fixedly connected to both sides of the top of the fixed installation frame 1, a fixing plate 402 fixedly connected to the top of the fixing frame 401, a third electric telescopic rod 403 fixedly connected to the middle of the top of the fixing plate 402, a device frame 404 fixedly connected to the telescopic end of the third electric telescopic rod 403, a third drive motor 405 fixedly connected to the interior of the device frame 404, a fixed engaging disk 406 fixedly connected to the transmission end of the third drive motor 405, and a bottom end of the fixed engaging disk 406 is provided with a limiting hole 408 interlaced with a plurality of limiting columns 303; A laser rangefinder 409 is fixedly connected to one side of the bottom end of the fixed engaging disc 406; The top two ends of the fixed plate 402 are fixedly connected to the fourth drive motor 4010, the transmission end of each fourth drive motor 4010 is fixedly connected to the fixed shaft column 4011, the bottom end of the fixed shaft column 4011 is fixedly connected to the mounting plate, one end of the mounting plate is fixedly connected to two small electric telescopic rods 4012, the telescopic ends of the small electric telescopic rods 4012 are fixedly connected to the device plate, the top of the device plate is fixedly connected to the frequency modulation motor 4013, and the transmission end of the frequency modulation motor 4013 is fixedly connected to the grinding disc 407.

[0028] During specific use, when grinding the brake disc, in order to perform 360° rotation grinding, the fixed engaging disc 406 under the device frame 404 is telescopically pushed by the third electric telescopic rod 403, and the several limiting holes 408 on the fixed engaging disc 406 are interlaced with the limiting column 303 to limit and fix the automobile brake disc. When grinding the outer side of the automobile brake disc, the third driving motor 405 is provided to rotate and drive the fixed engaging disc 406 and the automobile brake disc on the rotating disc 302 to rotate 360°, and then the fourth driving motor 4010 is used to rotate and drive the fixed shaft column 4011 to rotate so that The angle of the mounting plate is adjusted until the two grinding discs 407 fit the outer side of the brake disc, the fourth drive motor 4010 is turned off, and the feeding pressure of the grinding disc 407 and the brake disc is dynamically adjusted by the small electric telescopic rod 4012 to avoid excessive grinding of the brake disc, and the grinding disc 407 is driven by the frequency modulation motor 4013 to grind the brake disc, and the laser beam is scanned on the surface of the brake disc by the brake laser rangefinder 409, the photoelectric receiving system captures the changes in the light signal in real time, and the data processing system processes and analyzes the received signals to obtain the smoothness data of the brake disc.

[0029] The dust removal mechanism 5 includes a fourth electric telescopic rod 501 fixedly connected to one side of the second sliding seat 103, a vacuum cleaner 502 fixedly connected to the top of the second sliding seat 103, a corrugated hose 503 fixedly connected to the air inlet end of the vacuum cleaner 502, one end of the corrugated hose 503 fixedly connected to a filter shell 504, a closing switch door 505 is installed on one side of the filter shell 504, a number of filter screen plates 506 are engaged with the inside of the filter shell 504, a dust hopper 507 is provided on one side of the filter shell 504, and the bottom end of the filter shell 504 is fixedly connected to the fifth electric telescopic rod.

[0030] During specific use, harmful dust is generated during the grinding process of the brake disc. The filter housing 504 and the dust hopper 507 are pushed close to the side of the brake disc by the extension of the fifth electric telescopic rod, and then the vacuum cleaner 502 is turned on to suck the harmful dust generated by grinding through the dust hopper 507 by suction, and the grinding dust is absorbed and filtered through several layers of filter plates 506 inside the filter housing 504, so that the dust is filtered down. Then, when the filter plate 506 needs to be replaced, the filter plate 506 is replaced by opening and closing the switch door 505.

[0031] The control mechanism 6 includes a circuit board fixedly connected to the top of the fixed mounting frame 1, a wireless signal transceiver module 601 is fixedly connected to the top of the circuit board, a PLC controller 602 is fixedly connected to one side of the wireless signal transceiver module 601, a signal conversion module 603 is fixedly connected to one side of the PLC controller 602, and a liquid crystal display touch screen 604 is fixedly connected to one side of the signal conversion module 603.

[0032] In specific use, when grinding the brake disc, it is necessary to collect data on the brake disc temperature, dynamic feed force during grinding and the scanning smoothness of the brake disc surface. The data of the temperature sensor 305, pressure sensor 306 and laser rangefinder 409 are wirelessly transmitted through the set wireless signal transceiver module 601, and then the collected signal is converted by the signal conversion module 603 and presented on the LCD touch screen 604 for viewing, and the drive structure is electrically controlled by the PLC controller 602.

[0033] It should be noted that, in this article, the terms "comprise", "include" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device comprising a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device. In the absence of further restrictions, an element defined by the statement "comprises a ..." does not exclude the presence of other identical elements in the process, method, article or device comprising the element. In addition, it should be noted that the scope of the methods and devices in the embodiments of the present application is not limited to performing functions in the order shown or discussed, and may also include performing functions in a substantially simultaneous manner or in the opposite order according to the functions involved. For example, the described method may be performed in an order different from that described, and various steps may also be added, omitted, or combined. In addition, the features described with reference to certain examples may be combined in other examples.

[0034] The embodiments of the present application are described above in conjunction with the accompanying drawings, but the present application is not limited to the above-mentioned specific implementation methods. The above-mentioned specific implementation methods are merely illustrative and not restrictive. Under the guidance of this application, ordinary technicians in this field can also make many forms without departing from the purpose of this application and the scope of protection of the claims, all of which are within the protection of this application.

Claims

1. A brake disc grinding and dressing device, comprising a fixed mounting frame (1), characterized in that: Two slide rails (101) are fixedly installed on the top of the fixed installation frame (1), one end of the top of the slide rail (101) is slidably connected to a first slide seat (102), one side of the top of the first slide seat (102) is fixedly connected to a grinding mechanism (2), the other side of the top of the first slide seat (102) is fixedly connected to a fixing mechanism (3), a grinding limit mechanism (4) is provided on the top of the fixing mechanism (3), the top of the other end of the slide rail (101) is slidably connected to a second slide seat (103), a dust removal mechanism (5) is provided on the top of the second slide seat (103), and a control mechanism (6) is fixedly connected to one side of the top of the fixed installation frame (1).

2. The brake disc grinding and dressing device according to claim 1, characterized in that: The grinding mechanism (2) comprises a limiting slide groove (201) that opens and closes with the top of the first sliding seat (102); a first electric telescopic rod (202) is fixedly connected to the interior of the limiting slide groove (201); one end of the first electric telescopic rod (202) is fixedly connected to a moving seat (203) that is slidably connected to the limiting slide groove (201); the bottom end of the moving seat (203) is fixedly connected to a first driving motor (204); the transmission end of the first driving motor (204) is fixedly connected to a main turntable (205); the moving seat (203) is fixedly connected to the transmission end of the first driving motor (204); One end of the top is movably connected to two slave turntables (206), the top of the slave turntable (206) is fixedly connected to a rotating shaft (207), the top of the rotating shaft (207) is interlaced with a top plate (208), the bottom end of the top plate (208) is fixedly connected to a second electric telescopic rod (209), both sides of the top plate (208) are fixedly connected to guide rods (2010), the bottom ends of the guide rods (2010) are interlaced with the movable seat (203), and the main turntable (205) is connected to the outer sides of the two driven disks (206) by a belt.

3. The brake disc grinding and dressing device according to claim 1, characterized in that: The fixing mechanism (3) comprises a circular fixing seat (301) fixedly connected to the top of the first sliding seat (102); the top of the circular fixing seat (301) is movably connected to a rotating disk (302); the top of the rotating disk (302) is fixedly connected to a plurality of fixed limiting columns (303); the side of the first sliding seat (102) is fixedly connected to a device frame; the top of the device frame is fixedly connected to an arc-shaped shell (304); a temperature sensor (305) is fixedly installed on one side of the arc-shaped shell (304); and the top of the rotating disk (302) is fixedly connected to a pressure sensor (306).

4. The brake disc grinding and dressing device according to claim 1, characterized in that: One side of the first sliding seat (102) is fixedly connected to an electric hydraulic cylinder (1021).

5. The brake disc grinding and dressing device according to claim 1, characterized in that: The grinding limit mechanism (4) comprises a fixing frame (401) fixedly connected to both sides of the top of the fixed installation frame (1); a fixing plate (402) is fixedly connected to the top of the fixing frame (401); a third electric telescopic rod (403) is fixedly connected to the middle of the top of the fixing plate (402); a telescopic end of the third electric telescopic rod (403) is fixedly connected to a device frame (404); a third driving motor (405) is fixedly connected inside the device frame (404); a driving end of the third driving motor (405) is fixedly connected to a fixed engaging disk (406); and a bottom end of the fixed engaging disk (406) is provided with a limiting hole (408) which is interpenetrated and connected with a plurality of limiting columns (303).

6. The brake disc grinding and dressing device according to claim 5, characterized in that: A laser rangefinder (409) is fixedly connected to one side of the bottom end of the fixed engaging disc (406); The top ends of the fixed plate (402) are fixedly connected to fourth drive motors (4010), the transmission end of each fourth drive motor (4010) is fixedly connected to a fixed shaft column (4011), the bottom end of the fixed shaft column (4011) is fixedly connected to a mounting plate, one end of the mounting plate is fixedly connected to two small electric telescopic rods (4012), the telescopic ends of the small electric telescopic rods (4012) are fixedly connected to a device plate, the top of the device plate is fixedly connected to a frequency-modulated motor (4013), and the transmission end of the frequency-modulated motor (4013) is fixedly connected to a grinding disc (407).

7. The brake disc grinding and dressing device according to claim 1, characterized in that: The dust removal mechanism (5) comprises a fourth electric telescopic rod (501) fixedly connected to one side of the second sliding seat (103); a dust collector (502) fixedly connected to the top of the second sliding seat (103); an air inlet end of the dust collector (502) fixedly connected to a corrugated hose (503); one end of the corrugated hose (503) fixedly connected to a filter housing (504); a closing switch door (505) installed on one side of the filter housing (504); a plurality of filter screens (506) engaged inside the filter housing (504); a dust hopper (507) provided on one side of the filter housing (504); and a fifth electric telescopic rod fixedly connected to the bottom end of the filter housing (504).

8. The brake disc grinding and dressing device according to claim 1, characterized in that: The control mechanism (6) comprises a circuit board fixedly connected to the top of the fixed installation frame (1); a wireless signal transceiver module (601) is fixedly connected to the top of the circuit board; a PLC controller (602) is fixedly connected to one side of the wireless signal transceiver module (601); a signal conversion module (603) is fixedly connected to one side of the PLC controller (602); and a liquid crystal display touch screen (604) is fixedly connected to one side of the signal conversion module (603).

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