A surface grinding device for wide and thick plates

Abstract

The present application discloses a device for grinding the surface of thick and wide plates, and relates to the technical field of grinding devices. The present application includes a grinding machine housing, on which a grinding roller is rotatably mounted, and a conveyor belt for transporting thick and wide plates is mounted on the grinding machine housing, and there are two conveyor belts, which are respectively located on both sides of the grinding roller. The present application also includes: clamping members mounted on both sides of the grinding machine housing, and the clamping members are used to clamp the side walls of the thick and wide plates. The present application installs clamping members on the grinding machine housing for clamping the side walls of the thick and wide plates, which reduces the possibility of obstructing the surface of the thick and wide plates during grinding, and the holding members are located on both sides of the grinding roller and do not move with the thick and wide plates, which reduces the obstruction of the surface of the thick and wide plates, and a cleaning member is installed on the grinding machine housing, which reduces the possibility of grinding debris adhering to the thick and wide plates, and increases the grinding effect when grinding the thick and wide plates.

Description

Technical Field

[0001] The present application relates to the technical field of grinding devices, and in particular to a device for grinding the surface of thick plates. Background Art

[0002] Heavy plates are characterized by their large size and weight. For example, a plate measuring 13,000 mm x 4,900 mm x 50 mm weighs 25 tons. Heavy plates are produced on rolling mills with rolling mill rolls exceeding 2,800 mm in width, with the widest currently reaching 5,500 mm. Existing heavy plates are polished during processing to facilitate subsequent processing.

[0003] When in use, the existing grinding device clamps the upper and lower surfaces of the wide and thick plates through a clamp and grinds their surfaces. However, when the clamp clamps the wide and thick plates, the clamped parts will not be polished by the grinding device, so that the grinding of the wide and thick plates is not complete, which affects the grinding effect of the grinding device. In addition, a certain amount of debris will be generated during grinding. When the debris adheres to the wide and thick plates, continuing to grind them will also affect the grinding effect. For this reason, the present application provides a surface grinding device for wide and thick plates. Summary of the Invention

[0004] The purpose of this application is to solve the problem that the existing grinding device clamps the upper and lower surfaces of the wide and thick plates through a clamp when in use and grinds their surfaces, but when the clamp clamps the wide and thick plates, the clamped part will not be polished by the grinding device, so that the grinding of the wide and thick plates is not complete, which affects the grinding effect of the grinding device, and a certain amount of debris will be generated during grinding. When the debris adheres to the wide and thick plates, continuing to grind them will also affect the grinding effect. The present application provides a surface grinding device for wide and thick plates.

[0005] In order to achieve the above-mentioned purpose, this application specifically adopts the following technical solutions:

[0006] A device for grinding the surface of thick and wide plates comprises a grinding machine housing on which a grinding roller is rotatably mounted, a conveyor belt for conveying thick and wide plates is mounted on the grinding machine housing, and two conveyor belts are provided, one on each side of the grinding roller, and further comprises:

[0007] Clamping members installed on both sides of the grinding machine housing, the clamping members are used to clamp the side walls of the wide and thick plates;

[0008] A holding member installed on the grinding machine housing, the holding member is located on both sides of the grinding roller, and the holding member is used to limit the position of the wide and thick plate in the vertical direction;

[0009] A cleaning member is mounted on the grinding machine housing, the cleaning member being connected to the grinding roller and being used for cleaning the upper surface of the wide and thick plate.

[0010] Furthermore, the clamping member includes:

[0011] An outer sleeve mounted on the side wall of the grinding machine housing;

[0012] A connecting plate slidably mounted on the outer sleeve, with a connecting spring installed between the connecting plate and the outer sleeve;

[0013] The contact roller has a side wall provided with an annular groove, and the annular groove is slidably matched with the end of the connecting plate.

[0014] Furthermore, the holding member includes:

[0015] A rotating sleeve is installed on the grinding machine housing, and a resistance spring is installed between the rotating sleeve and the grinding machine housing;

[0016] The pressing roller installed on the rotating sleeve is rotated, and the pressing roller and the wide and thick plate are rolling matched, and the pressing roller is used for pressing the wide and thick plate.

[0017] Furthermore, the cleaning element includes:

[0018] A reciprocating screw is rotatably mounted on the grinding machine housing, wherein two reciprocating screws are respectively located on both sides of the grinding roller, and a scraper is movably mounted on the reciprocating screw to scrape the upper surface of the wide and thick plate;

[0019] A transmission gear is installed at the end of the reciprocating screw rod, and a driving gear meshing with the transmission gear is installed on the grinding roller shaft.

[0020] Furthermore, a push plate is slidably mounted on the grinder housing, and the sliding path of the push plate is close to or away from the scraper plate. An inclined block is mounted on the end of the push plate, a push block is mounted on one of the transmission gears, and a push rod is mounted on the driving gear, and the push block and the push rod are used to push the inclined block in opposite directions.

[0021] Furthermore, a sliding rod is installed on the grinding machine housing, the scraping plate is slidably matched with the sliding rod, and a scraping member is installed on the sliding rod, and the scraping member includes:

[0022] A mounting plate mounted on the slide bar, wherein the mounting plates are two in number and are located at both ends of the slide bar respectively;

[0023] a contact plate slidably mounted on the mounting plate, the contact plate being used to scrape the side wall of the scraper plate, a return spring being installed between the contact plate and the mounting plate, the return spring forcing the contact plate to approach the mounting plate;

[0024] The bumps are mounted on both sides of the scraping plate, and the contact plate is provided with an inclined surface for contacting the bumps, and the bumps are used to force the contact plate away from the mounting plate.

[0025] Furthermore, a transverse plate is installed on the grinding machine housing, a guide rod slidably connected to the transverse plate is installed on the rotating sleeve, and the interference spring is sleeved on the outer peripheral side of the guide rod.

[0026] Furthermore, an ash box is installed at the bottom of the inner wall of the grinder shell, and the ash box is used to hold grinding chips. A magnet for absorbing grinding chips is installed in the ash box.

[0027] Furthermore, a rubber head is installed at the end of the scraper plate, and the scraper plate contacts the wide and thick plate through the rubber head.

[0028] Furthermore, the diameter of the transmission gear is larger than the diameter of the driving gear.

[0029] The beneficial effects of this application are as follows:

[0030] The present application installs a clamping part on the grinder housing to clamp the side wall of the wide and thick plate, reducing the possibility of blocking the surface of the wide and thick plate during grinding, and the holding parts are located on both sides of the grinding roller and do not move with the wide and thick plate, reducing the obstruction of the surface of the wide and thick plate, and a cleaning part is installed on the grinder housing to reduce the possibility of grinding debris adhering to the wide and thick plate, thereby increasing the grinding effect when grinding the wide and thick plate. BRIEF DESCRIPTION OF THE DRAWINGS

[0031] Figure 1 It is a schematic diagram of the three-dimensional structure of this application;

[0032] Figure 2 It is an exploded view of part of the structure of this application;

[0033] Figure 3 This is an exploded view of the cleaning component structure of this application;

[0034] Figure 4 This is an exploded view of the push plate structure of this application;

[0035] Figure 5 This is an exploded view of the structure of the pressing member of this application;

[0036] Figure 6 This is an exploded view of the scraper structure of this application;

[0037] Figure 7 This application Figure 1 Middle stereoscopic half-section;

[0038] Figure 8 This application Figure 2 Enlarged view of point A in the middle;

[0039] 1. Grinding machine housing; 2. Grinding roller; 3. Clamping member; 301. Outer sleeve; 302. Connecting plate; 303. Connecting spring; 304. Contact roller; 305. Annular groove; 4. Pressing member; 401. Rotating sleeve; 402. Resistance spring; 403. Pressing roller; 5. Cleaning member; 501. Reciprocating screw; 502. Scraping plate; 503. Transmission gear; 504. Drive gear; 6. Conveyor belt; 7. Push plate; 8. Oblique block; 9. Push block; 10. Push rod; 11. Sliding rod; 12. Scraping member; 1201. Mounting plate; 1202. Contact plate; 1203. Return spring; 1204. Bump; 13. Horizontal plate; 14. Guide rod; 15. Ash collecting box; 16. Magnet member; 17. Rubber head; 18. Round rod. DETAILED DESCRIPTION

[0040] In order to make the purpose, technical solutions and advantages of the embodiments of the present application clearer, the technical solutions in the embodiments of the present application will be clearly and completely described below in conjunction with the drawings in the embodiments of the present application.

[0041] like Figure 1 As shown, a device for grinding the surface of a thick plate proposed in one embodiment of the present application includes a grinding machine housing 1, on which a grinding roller 2 is rotatably mounted, and a conveyor belt 6 for transporting the thick plate is mounted on the grinding machine housing 1. There are two conveyor belts 6, which are respectively located on both sides of the grinding roller 2. The grinding machine housing 1, the grinding roller 2 and the conveyor belt 6 form an existing grinding machine structure. There are two grinding rollers 2, and there is a space for the thick plate to pass through between the two grinding rollers 2. When the conveyor belt 6 transports the thick plate to the position of the grinding roller 2, the upper and lower surfaces of the thick plate are ground by the grinding roller 2. Since there is a space for installing the grinding roller 2 between the two conveyor belts 6, the grinding debris formed after being ground by the grinding roller 2 located below will naturally fall down by gravity and be released from contact with the thick plate, thereby reducing the impact on the grinding effect of the thick plate. The device also includes:

[0042] The clamping members 3 are installed on both sides of the grinder housing 1. The clamping members 3 are used to clamp the side walls of the thick and wide plates. The clamping members 3 are located on the inner wall of the grinder housing 1 and on both sides of the conveyor belt 6. When the conveyor belt 6 transports the thick and wide plates, the side walls of the thick and wide plates are clamped by the clamping members 3. When the grinding rollers 2 grind the thick and wide plates, the clamping members 3 reduce the obstruction of the upper and lower surfaces of the thick and wide plates, thereby improving the grinding effect of the thick and wide plates.

[0043] The holding member 4 is installed on the grinding machine housing 1 and is located on both sides of the grinding roller 2. The holding member 4 is used to limit the position of the thick plate in the vertical direction. The position of the holding member 4 on the grinding machine housing 1 remains unchanged. When in use, only the position where the thick plate needs to be ground and the position that has just been ground are pressed. The holding member 4 and the conveyor belt 6 limit the vertical movement of the thick plate when being ground, thereby increasing the stability of the thick plate when being ground, thereby increasing the grinding effect of the thick plate.

[0044] A cleaning member 5 is mounted on the grinding machine housing 1 and is connected to the grinding roller 2. The cleaning member 5 is used to clean the upper surface of the thick and wide plate. When in use, the grinding debris on the lower surface of the thick and wide plate is affected by gravity and falls from the gap between the two conveyor belts 6. The grinding debris on the upper surface of the thick and wide plate is cleaned by the cleaning member 5, thereby reducing the possibility of grinding debris adhering to the ungrinded portion of the thick and wide plate, reducing the possibility of the portion being affected by the grinding debris when subsequently grinding, thereby improving the grinding effect of the thick and wide plate.

[0045] Compared with the existing technology, a clamping part 3 is installed on the grinder housing 1 to clamp the side wall of the wide and thick plate, reducing the possibility of blocking the surface of the wide and thick plate during grinding, and the holding part 4 is located on both sides of the grinding roller 2 and does not move with the wide and thick plate, reducing the obstruction of the surface of the wide and thick plate, and a cleaning part 5 is installed on the grinder housing 1, reducing the possibility of grinding debris adhering to the wide and thick plate, thereby increasing the grinding effect when grinding the wide and thick plate.

[0046] like Figure 8 As shown, in some embodiments, the clamping member 3 includes:

[0047] An outer sleeve 301 is mounted on the side wall of the grinding machine housing 1. There are multiple outer sleeves 301 arranged in a linear array on the inner side wall of the grinding machine housing 1 along the conveying direction of the conveyor belt 6.

[0048] A connecting plate 302 is slidably mounted on the outer sleeve 301. A connecting spring 303 is installed between the connecting plate 302 and the outer sleeve 301. When in use, the connecting spring 303 forces the connecting plate 302 away from the outer sleeve 301, so that the connecting plates 302 on both sides of the grinder housing 1 are close to each other;

[0049] The contact roller 304 has an annular groove 305 on its side wall. The annular groove 305 is slidably engaged with the end of the connecting plate 302. When in use, the contact roller 304 can rotate along its own axis at the end of the connecting plate 302 through the engagement of the annular groove 305.

[0050] When in use, when the wide and thick plate is placed on the conveyor belt 6, the two sides of the wide and thick plate squeeze the contact rollers 304, so that the contact rollers 304 on both sides squeeze the connecting plate 302 and the connecting spring 303, thereby causing the contact rollers 304 to resist the wide and thick plate, and because the connecting spring 303 is in a compressed state, it will continue to provide a force for the connecting plate 302 and the contact rollers 304 to resist the wide and thick plate, thereby increasing the clamping effect on the wide and thick plate. During the clamping process, since the contact rollers 304 slide with the connecting plate 302 through the annular groove 305, the contact rollers 304 not only resist the wide and thick plate, but also roll with the wide and thick plate, which facilitates the conveyor belt 6 to transport the wide and thick plate. The clamping member 3 increases the stability of the wide and thick plate during transportation and when being polished, reduces the possibility of the wide and thick plate being skewed during transportation, and reduces the possibility of the wide and thick plate shaking when being polished, thereby increasing the polishing effect of the device on the wide and thick plate.

[0051] like Figure 5 As shown, in some embodiments, the pressing member 4 includes:

[0052] A rotating sleeve 401 is mounted on the grinding machine housing 1 , and a resisting spring 402 is installed between the rotating sleeve 401 and the grinding machine housing 1 . When in use, the resisting spring 402 forces the rotating sleeve 401 to approach the upper surface of the conveyor belt 6 ;

[0053] The pressure roller 403 is rotatably mounted on the rotating sleeve 401. The pressure roller 403 rolls with the thick plate to press the thick plate. There are four rotating sleeves 401, two of which are located on the same side of the grinding roller 2. The pressure roller 403 is rotatably mounted between the rotating sleeves 401 on the same side.

[0054] During use, when the wide and thick plate is transported to contact the pressure roller 403, the pressure roller 403 gradually moves to the upper surface of the wide and thick plate by rolling. During the process, the resistance spring 402 is compressed, forcing the pressure roller 403 to press the wide and thick plate. During use, the wide and thick plate is pressed on both sides of the grinding roller 2, and the wide and thick plate is clamped in the horizontal direction by the clamping member 3, which increases the stability of the wide and thick plate when being ground, and the pressure roller 403 only presses the wide and thick plate before and after the wide and thick plate is ground, reducing the possibility of blocking the grinding roller 2 and increasing the grinding effect of the device on the wide and thick plate.

[0055] like Figure 3 As shown, in some embodiments, the cleaning member 5 includes:

[0056] Rotate the reciprocating screw rod 501 rotatably mounted on the grinding machine housing 1. There are two reciprocating screw rods 501 respectively located on both sides of the grinding roller 2. A scraping plate 502 is movably mounted on the reciprocating screw rod 501. The scraping plate 502 is used to scrape the upper surface of the wide and thick plate. In use, when the reciprocating screw rod 501 rotates, it drives the scraping plate 502 to make a reciprocating motion on the reciprocating screw rod 501. The axial direction of the reciprocating screw rod 501 is perpendicular to the transportation direction of the conveyor belt 6. When the scraping plate 502 moves, it scrapes the upper surface of the wide and thick plate along the width direction of the wide and thick plate, reducing the possibility of grinding debris adhering to the wide and thick plate, and further reducing the splashing of grinding debris to the unpolished part of the wide and thick plate, and further reducing the influence of grinding debris on the grinding of the wide and thick plate;

[0057] A transmission gear 503 installed at the end of the reciprocating screw rod 501. A driving gear 504 meshing with the transmission gear 503 is installed on the rotating shaft of the grinding roller 2. In use, while the grinding roller 2 grinds the wide and thick plate, it drives the transmission gear 503 to rotate through the driving gear 504, and then drives the reciprocating screw rod 501;

[0058] In use, since the reciprocating screw rod 501 is located on both sides of the grinding roller 2, one of the two scraping plates 502 is located in front of the grinding roller 2 in the transportation direction of the conveyor belt 6, and the other is located behind this direction. While the grinding roller 2 grinds the wide and thick plate, the grinding roller 2 drives the transmission gear 503 and the reciprocating screw rod 501 to rotate together through the driving gear 504, making the scraping plates 502 located on both sides of the grinding roller 2 make a reciprocating motion on the reciprocating screw rod 501. The scraping plate 502 located in front of the grinding roller 2 scrapes the upper surface of the unpolished part of the wide and thick plate, reducing the possibility of grinding debris adhering to it. The scraping plate 502 located behind the grinding roller 2 cleans the upper surface of the already polished wide and thick plate, facilitating the cleaning of its surface while transporting the wide and thick plate, increasing the practicability of the device.

[0059] As Figure 4 shown, in some embodiments, a push plate 7 is slidably mounted on the grinding machine housing 1. The sliding path of the push plate 7 is to approach or move away from the scraping plate 502. An inclined block 8 is installed at the end of the push plate 7. The structure of the inclined block 8 connected to the push plate 7 is in a U shape and is located on both sides of the grinding roller 2. The grinding roller 2 is located in the vacancy in the middle of the push plate 7, reducing the influence of the push plate 7 on the grinding roller 2. A push block 9 is installed on one of the transmission gears 503, and a push rod 10 is installed on the driving gear 504. The push block 9 and the push rod 10 are used to push the inclined block 8 in opposite directions. In use, the sliding path of the push plate 7 is perpendicular to the movement path of the scraping plate 502. The push plate 7 is located between the grinding roller 2 and the scraping plate 502. The push plate 7 is used to push the grinding debris located between the grinding roller 2 and the scraping plate 502 towards the scraping plate 502, increasing the cleaning effect of the scraping plate 502 on the grinding debris;

[0060] Among them, the push block 9 is installed on the transmission gear 503 located in front of the grinding roller 2 in the transport direction of the conveyor belt 6, and the round rod 18 is installed on the inclined block 8. The round rod 18 is used to interfere with the push rod 10. When the device is in use, the rotation directions of the driving gear 504 and the transmission gear 503 are in opposite directions, and the push rod 10 and the push block 9 are at different distances from the push plate 7 when they are in the initial position, which reduces the possibility that the driving gear 504 and the transmission gear 503 will contact the push plate 7 at the same time when they rotate;

[0061] When the device is in use, the grinding roller 2 grinds the wide and thick plates, causing the driving gear 504 and the transmission gear 503 to rotate, thereby driving the push rod 10 and the push block 9 to perform circular motion on the driving gear 504 and the transmission gear 503 respectively, so that the push rod 10 and the push block 9 push the push plate 7 in turn, causing the push plate 7 to perform reciprocating motion on the upper surface of the wide and thick plates, thereby pushing the grinding debris between the grinding roller 2 and the scraper plate 502 to the scraper plate 502 for cleaning, thereby increasing the cleaning effect of the grinding debris during use.

[0062] like Figure 6 As shown, in some embodiments, a slide bar 11 is installed on the grinding machine housing 1, and a scraper plate 502 is slidably matched with the slide bar 11. A scraper 12 is installed on the slide bar 11. The slide bar 11 passes through the scraper plate 502, and the movement direction of the scraper plate 502 is restricted, so that the scraper plate 502 can only scrape on the upper surface of the wide and thick plate along the axis direction of the slide bar 11, and the bottom of the scraper plate 502 is always in contact with the upper surface of the wide and thick plate. The scraper 12 includes:

[0063] Two mounting plates 1201 are mounted on the slide bar 11, one at each end of the slide bar 11. The mounting plates 1201 are used to provide mounting locations for other components of the scraper 12. The mounting plates 1201 are located at both ends of the conveyor belt 6 in the width direction.

[0064] A contact plate 1202 is slidably mounted on the mounting plate 1201. The contact plate 1202 is used to scrape the side wall of the scraper plate 502. A return spring 1203 is installed between the contact plate 1202 and the mounting plate 1201. The return spring 1203 forces the contact plate 1202 to approach the mounting plate 1201. The contact plate 1202 is slidably mounted on the mounting plate 1201 in a vertical direction. When the scraper plate 502 moves into contact with the contact plate 1202, the contact plate 1202 slides, causing the contact plate 1202 to clean the side wall of the scraper plate 502.

[0065] The contact plate 1202 is provided with protrusions 1204 mounted on both sides of the scraper plate 502, and has inclined surfaces for contacting the protrusions 1204. The protrusions 1204 are used to force the contact plate 1202 away from the mounting plate 1201. When the scraper plate 502 moves close to the contact plate 1202, the protrusions 1204 squeeze the contact plate 1202, and the inclined surfaces guide the contact plate 1202 in a vertical downward direction, thereby cleaning the sidewalls of the scraper plate 502.

[0066] Among them, when the scraper plate 502 moves to the end of the slide bar 11, the contact plate 1202 is located on the side of the scraper plate 502 close to the outside, and the installation height of the protrusion 1204 is higher than the part of the scraper plate 502 that contacts the wide and thick plate, so that when the protrusion 1204 contacts and interferes with the contact plate 1202, the part of the scraper plate 502 that contacts the wide and thick plate has not yet contacted the contact plate 1202, thereby allowing the scraper plate 502 to continue to move. When its side wall contacts the contact plate 1202, the contact plate 1202 continues to It moves downward to scrape the side walls, scraping off the grinding debris on the side walls of the scraper plate 502, reducing the possibility of residual grinding debris on the scraper plate 502 and increasing the cleaning effect of the cleaning member 5. When the contact plate 1202 moves downward, the reset spring 1203 is stretched. When the scraper plate 502 moves away from the contact plate 1202, the reset spring 1203 pulls the contact plate 1202 to reset, so that the scraper plate 502 can be cleaned again the next time it contacts the scraper plate 502.

[0067] like Figure 5 and Figure 7 As shown, in some embodiments, a horizontal plate 13 is installed on the grinder housing 1, and a guide rod 14 slidingly connected to the horizontal plate 13 is installed on the rotating sleeve 401, and a resistance spring 402 is sleeved on the outer peripheral side of the guide rod 14. When in use, the movement path of the rotating sleeve 401 is limited by the sliding cooperation between the guide rod 14 and the horizontal plate 13, so that it can only slide on the grinder housing 1 in the vertical direction, thereby increasing the pressing effect of the pressure roller 403 on the wide and thick plate, and the side wall of the guide rod 14 limits the deformation direction of the connecting spring 303, reducing the possibility of the connecting spring 303 being skewed during deformation, thereby reducing the loss of the connecting spring 303 and increasing its service life.

[0068] like Figure 2As shown, in some embodiments, a dust box 15 is installed at the bottom of the inner wall of the grinder housing 1, and the dust box 15 is used to hold grinding chips. A magnet 16 for absorbing grinding chips is installed in the dust box 15. When the scraper plate 502 pushes the grinding chips on the wide and thick plate to fall, the grinding chips fall due to the influence of gravity and fall into the dust box 15, which is convenient for centralized processing after grinding is completed. The magnet 16 is an electromagnet. When the grinding chips are collected by the dust box 15, they are also adsorbed by the magnet 16, which reduces the possibility of the grinding chips being raised again. When grinding is completed, the magnet 16 is powered off, which facilitates the pouring out of the grinding chips in the dust box 15 for processing, thereby increasing the practicality of the device.

[0069] like Figure 6 As shown, in some embodiments, a rubber head 17 is installed at the end of the scraper plate 502, and the scraper plate 502 contacts the wide and thick plate through the rubber head 17. When in use, the rubber head 17 is used to scrape the upper surface of the wide and thick plate. Firstly, the wear on the upper surface of the wide and thick plate during scraping is reduced. Secondly, the rubber head 17 increases the friction between the scraper plate 502 and the wide and thick plate, thereby increasing the cleaning effect of the wide and thick plate.

[0070] like Figure 2 As shown, in some embodiments, the diameter of the transmission gear 503 is larger than the diameter of the driving gear 504. When in use, an effect similar to a force-saving lever is formed between the driving gear 504 and the transmission gear 503, which facilitates the driving gear 504 to better drive the two transmission gears 503, thereby improving the practicality of the device.

[0071] The above description of the disclosed embodiments is intended to enable one skilled in the art to implement or use the present application. Various modifications to these embodiments will be readily apparent to one skilled in the art, and the general principles defined herein may be implemented in other embodiments without departing from the spirit or scope of the present application. Therefore, the present application is not limited to the embodiments shown herein, but is intended to conform to the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. A device for grinding the surface of a wide and thick plate, comprising a grinding machine housing (1) on which a grinding roller (2) is rotatably mounted. The grinding machine housing (1) is provided with a conveyor belt (6) for conveying thick and wide plates. There are two conveyor belts (6), which are respectively located on both sides of the grinding roller (2). The characteristics of the conveyor belts are as follows: Also includes: Clamping members (3) installed on both sides of the grinding machine housing (1), the clamping members (3) being used to clamp the side walls of the thick and wide plates; A holding member (4) installed on the grinding machine housing (1), the holding member (4) being located on both sides of the grinding roller (2), and the holding member (4) being used to limit the position of the wide and thick plate in the vertical direction; A cleaning member (5) mounted on the grinding machine housing (1), the cleaning member (5) being connected to the grinding roller (2), and the cleaning member (5) being used to clean the upper surface of the wide and thick plate; The cleaning member (5) comprises: A reciprocating screw (501) is rotatably mounted on the grinding machine housing (1), wherein the reciprocating screw (501) has two ends located on either side of the grinding roller (2), and a scraping plate (502) is movably mounted on the reciprocating screw (501), and the scraping plate (502) is used to scrape the upper surface of the wide and thick plate; A transmission gear (503) is mounted on the end of the reciprocating screw (501), and a driving gear (504) meshing with the transmission gear (503) is mounted on the rotating shaft of the grinding roller (2); A push plate (7) is slidably mounted on the grinding machine housing (1), and the sliding path of the push plate (7) is close to or away from the scraper plate (502). An inclined block (8) is mounted on the end of the push plate (7), a push block (9) is mounted on one of the transmission gears (503), and a push rod (10) is mounted on the driving gear (504), and the push block (9) and the push rod (10) are used to push the inclined block (8) in opposite directions; A sliding rod (11) is mounted on the grinding machine housing (1), the scraping plate (502) is in sliding engagement with the sliding rod (11), a scraping member (12) is mounted on the sliding rod (11), and the scraping member (12) comprises: a mounting plate (1201) mounted on the slide bar (11), wherein the mounting plates (1201) are two in number and are located at two ends of the slide bar (11); a contact plate (1202) slidably mounted on the mounting plate (1201), the contact plate (1202) being used to scrape the side wall of the scraping plate (502), a return spring (1203) being installed between the contact plate (1202) and the mounting plate (1201), the return spring (1203) forcing the contact plate (1202) to approach the mounting plate (1201); The protrusions (1204) are mounted on both sides of the scraping plate (502), and the contact plate (1202) is provided with an inclined surface for contacting the protrusions (1204). The protrusions (1204) are used to force the contact plate (1202) away from the mounting plate (1201).

2. The thick plate surface grinding device according to claim 1, characterized in that: The clamping member (3) comprises: An outer sleeve (301) mounted on a side wall of the grinding machine housing (1); a connecting plate (302) slidably mounted on the outer sleeve (301), with a connecting spring (303) mounted between the connecting plate (302) and the outer sleeve (301); The contact roller (304) has an annular groove (305) on its side wall, and the annular groove (305) is slidably matched with the end of the connecting plate (302).

3. The device for grinding the surface of thick and wide plates according to claim 2, characterized in that: The pressing member (4) comprises: A rotating sleeve (401) is installed on the grinding machine housing (1), and a resisting spring (402) is installed between the rotating sleeve (401) and the grinding machine housing (1); The pressing roller (403) mounted on the rotating sleeve (401) is rotated, and the pressing roller (403) and the thick and wide plate are in rolling cooperation, and the pressing roller (403) is used to press the thick and wide plate.

4. The thick plate surface grinding device according to claim 3, characterized in that: The grinding machine housing (1) A transverse plate (13) is mounted on the rotating sleeve (401), a guide rod (14) slidably connected to the transverse plate (13) is mounted on the rotating sleeve (401), and the resisting spring (402) is sleeved on the outer peripheral side of the guide rod (14).

5. The thick plate surface grinding device according to claim 1, characterized in that: The grinding machine housing (1) An ash collecting box (15) is installed at the bottom of the inner wall. The ash collecting box (15) is used to hold grinding debris. A magnet (16) for absorbing the grinding debris is installed in the ash collecting box (15).

6. The device for grinding the surface of thick and wide plates according to claim 5, characterized in that: A rubber head (17) is installed at the end of the scraping plate (502), and the scraping plate (502) contacts the wide and thick plate through the rubber head (17).

7. The device for grinding the surface of thick and wide plates according to claim 1, characterized in that: The transmission gear (503) The diameter of the drive gear (504) is greater than the diameter of the drive gear (504).

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