A grinding device for building materials

Abstract

The present invention discloses a grinding device for building materials, which relates to the technical field of grinding. The present invention includes a base, a controller is arranged on the side of the base, two corresponding chutes are opened at the top of the base, T-shaped clamping plates are slidably connected to the inner walls of the two chutes, springs are arranged between the T-shaped clamping plates and the base, a plurality of support rods are fixedly connected to the top of the base, and the tops of the plurality of support rods are fixedly connected to the same protective plate, and fixed blocks are fixedly connected to both sides of the protective plate. Through the cooperation of components such as a threaded rod, a threaded sleeve, an electric push rod, and a grinding wheel, the adjusting wheel drives the rotating column to rotate, and the rotation of the rotating column drives the connecting block, the driver, and the angle of the grinding wheel to be adjusted, so as to adjust the grinding wheel to an angle in contact with the arc surface of the aluminum alloy corrugated board, thereby realizing the effect of grinding the arc surface of the aluminum alloy corrugated board by the grinding wheel.

Description

Technical Field

[0001] The present invention relates to the technical field of grinding, and particularly to a grinding device for building materials. Background Art

[0002] A grinding device for building materials is usually used for fine processing of the building surface to improve its smoothness and flatness. The device includes a motor, an abrasive disc, and an adjusting device. The motor drives the abrasive disc to rotate, and by adjusting the speed and pressure of the abrasive disc, it can evenly remove the uneven parts on the surface of the material.

[0003] A Chinese patent with the patent publication number CN107297654A discloses a grinding device for building materials, including a base. The rear side of the top of the base is fixedly connected with a grinding device body. A workbench is arranged on the top of the base, and the workbench is located in front of the grinding device body. The bottom of the workbench is fixedly connected with a connecting column. By using the cooperation of the connecting column, the movable plate, the first support rod, the second support rod, the first slider, the first chute, the positive threaded rod, the reverse threaded rod, the electric telescopic rod, the screw sleeve, the gear, and the toothed plate, the problem that the existing grinding device for building materials can only grind the flat surface of building materials and cannot grind the corners of building materials is solved. This grinding device for building materials has the advantage of being able to grind corners, which facilitates the use of users, improves the work efficiency of users, and improves the practical value of the existing grinding device for building materials.

[0004] However, the current grinding device has the following problems: The existing grinding device for building materials can only grind the flat surface of building materials. Due to the curved shape of the arc surface of the aluminum alloy corrugated board, it is difficult for the grinding device to grind the arc surface of the aluminum alloy corrugated board. Therefore, we propose a grinding device for building materials. Summary of the Invention

[0005] Aiming at the deficiencies of the prior art, the present invention provides a grinding device for building materials, which solves the problems put forward in the above background art.

[0006] To achieve the above objectives, the present invention is realized through the following technical solutions: A grinding device for building materials, including a base, a controller is arranged on the side of the base, two corresponding chutes are opened at the top of the base, T-shaped clamping plates are slidably connected to the inner walls of the two chutes, springs are arranged between the T-shaped clamping plates and the base, a plurality of support rods are fixedly connected to the top of the base, and the tops of the plurality of support rods are fixedly connected to the same protective plate. Fixed blocks are fixedly connected to both sides of the protective plate, a threaded rod is rotatably connected between the two fixed blocks, the threaded rod is driven by a motor, and the motor is fixedly connected to the side of one of the fixed blocks. A threaded sleeve is threadedly connected to the circumferential surface of the threaded rod, an electric push rod is fixedly connected to the bottom of the threaded sleeve, the telescopic end of the electric push rod is fixedly connected to a placement plate, two fixed arc plates are fixedly connected to the bottom of the placement plate, and the arc surfaces of the two fixed arc plates penetrate and rotate a same rotating column. Adjusting wheels are fixedly connected to both ends of the rotating column, a connecting block is fixedly connected to the middle of the outer wall of the rotating column, a driver is fixedly connected to the bottom of the connecting block, and a grinding wheel is fixedly connected to the output end of the driver. When the aluminum alloy corrugated board is placed on the base, the two corrugated sides of the aluminum alloy corrugated board will push the two T-shaped clamping plates to compress their respective springs. After the aluminum alloy corrugated board is placed, the two springs will drive their respective T-shaped clamping plates to clamp and fix the aluminum alloy corrugated board through their own elastic forces. By driving the electric push rod through the controller, the telescopic end of the electric push rod will push the placement plate downward. The downward movement of the placement plate will drive the fixed arc plate, the rotating column, the adjusting wheel, the connecting block, the driver, and the grinding wheel to move downward. Then, by driving the adjusting wheel through the controller, the adjusting wheel drives the rotating column to rotate. The rotation of the rotating column will drive the connecting block, the driver, and the grinding wheel to adjust the angle, so as to adjust the grinding wheel to an angle in contact with the arc surface of the aluminum alloy corrugated board. Then, by driving the motor through the controller, the output shaft of the motor rotates the threaded rod. The rotation of the threaded rod will cause the threaded sleeve to move reciprocally. The reciprocating movement of the threaded sleeve will drive the electric push rod, the placement plate, the fixed arc plate, the rotating column, the adjusting wheel, the connecting block, the driver, and the grinding wheel to move reciprocally. While the grinding wheel moves reciprocally, the driver is started through the controller, and the output shaft of the driver will cause the grinding wheel to rotate and grind.

[0007] According to the above technical solution, connecting rods are fixedly connected to both sides of the connecting block. At the ends of the two connecting rods far away from the connecting block, there are fixedly connected contact semi-spheres. The angle between the connecting rod and the grinding wheel is set to 95 degrees. A notch for the movement of the connecting rod is provided at the bottom of the placement plate. When the connecting block adjusts its angle, the connecting block drives the connecting rod to move in an arc. The arc movement of the connecting rod drives the contact semi-sphere to move in an arc. When the grinding wheel is in contact with the arc surface of the aluminum alloy corrugated plate, the contact semi-sphere will contact the arc surface on the other side of the same concave surface of the aluminum alloy corrugated plate that is in contact with the grinding wheel.

[0008] According to the above technical solution, an anti-scratch device is provided on the outer wall of the connecting rod. The anti-scratch device includes a rotating ring. The inner wall of the rotating ring is rotatably connected to the outer wall of the connecting rod. A cleaning brush ring is fixedly connected to the side of the rotating ring. A connecting plate is fixedly connected to the side of the placement plate. An arc-shaped block is fixedly connected to the side of the connecting plate. The side of the arc-shaped block is in contact with the outer wall of the rotating ring. The cleaning brush ring is located outside the contact semi-sphere. When the connecting rod moves in an arc, the connecting rod drives the rotating ring to move. The rotating ring moves along the surface of the arc-shaped block. Under the frictional force between the rotating ring and the arc-shaped block, the rotating ring rotates while moving. The rotation of the rotating ring drives the cleaning brush ring to rotate. At the same time, when the connecting block reciprocates, it drives the connecting rod and the contact semi-sphere to reciprocate along the arc surface on the other side of the same concave surface of the aluminum alloy corrugated plate that is in contact with the grinding wheel. The movement of the connecting rod drives the rotating ring and the cleaning brush ring to reciprocate.

[0009] According to the above technical solution, a pressing device is provided on the outer wall of the telescopic end of the electric push rod. The pressing device includes two long plates. The sides of the two long plates are fixedly connected to the outer wall of the telescopic end of the electric push rod. Two limit blocks are fixedly connected to the sides of the two long plates. A rotating rod is rotatably connected between the two limit blocks. A long block is fixedly connected to the outer wall of the rotating rod. Torsion springs are provided between the long block and the two limit blocks. A long rod fixedly penetrates through the lower side of the long block. Limit blocks are fixedly connected to both ends of the long rod. A pressing roller is rotatably connected between the two limit blocks. A support block is fixedly connected to the bottom of the long plate near the long block. A contact block is fixedly connected to the side of the long plate near the long block. The support block is in contact with the long block. The contact block is located on the displacement track of the long block. The material of some aluminum alloy corrugated plates is relatively thin. Therefore, when the T-shaped clamping plate clamps and fixes the aluminum alloy corrugated plate, the aluminum alloy corrugated plate will be bent. Therefore, the telescopic end of the electric push rod will drive the two long plates to move downward. The downward movement of the two long plates will drive the limit blocks to move downward. The downward movement of the limit blocks will drive the rotating rod to move downward. The downward movement of the rotating rod drives the long block to move downward. The downward movement of the long block drives the long rod, the limit blocks, and the pressing roller to move downward, so that the pressing roller is in contact with the convex part of the aluminum alloy corrugated plate. Then, through the reaction force of the aluminum alloy corrugated plate, the pressing roller will drive the rotating rod to rotate through the long rod, the limit blocks, and the long block, and the torsion spring will deform. The long block will be subjected to the contact force of the contact block during the rotation process. Therefore, the contact block will press the aluminum alloy corrugated plate flat through the pressing roller, the long rod, the limit blocks, and the long block.

[0010] According to the above technical solution, the pressing device further includes a sponge roller. The inner wall of the sponge roller is fixedly connected to the outer wall of the pressing roller. At the same time, the pressing roller will reciprocate with the electric push rod.

[0011] The present invention provides a grinding device for building materials. It has the following beneficial effects:

[0012] (1) Through the settings of the threaded rod, the threaded sleeve, the electric push rod, the placing plate, the fixed arc plate, the rotating column, the adjusting wheel, the connecting block, the driver, and the grinding wheel in the present invention, the adjusting wheel drives the rotating column to rotate. The rotation of the rotating column will drive the connecting block, the driver, and the grinding wheel to adjust the angle, so as to adjust the grinding wheel to an angle in contact with the arc surface of the aluminum alloy corrugated plate, thereby achieving the effect of grinding the arc surface of the aluminum alloy corrugated plate by the grinding wheel; at the same time, through the settings of the connecting block, the connecting rod, and the contact semi-sphere, the grinding wheel needs to be in close contact with the arc surface of the aluminum alloy corrugated plate, resulting in the problem that the grinding wheel pushes the aluminum alloy corrugated plate to move along the surface of the T-shaped clamping plate, making it difficult for the grinding wheel to stably grind the arc surface of the aluminum alloy corrugated plate.

[0013] (2) The present invention arranges the anti-scratch device so that the rotating ring, the cleaning brush ring, the connecting plate and the arc block are matched with each other, so that the rotation of the rotating ring will drive the cleaning brush ring to rotate, and the rotation of the cleaning brush ring will clean up the debris on the arc surface of the aluminum alloy corrugated plate by the resisting semi-circular ball, so as to avoid the resisting semi-circular ball squeezing the debris onto the arc surface of the aluminum alloy corrugated plate when it resists the arc surface of the aluminum alloy corrugated plate, thereby causing the arc surface of the aluminum alloy corrugated plate to be pressed with small holes by the debris. The reciprocating motion of the cleaning brush ring will clean up the debris on the arc surface of the aluminum alloy corrugated plate, thereby avoiding the problem of the resisting semi-circular ball driving the debris to scratch the arc surface of the aluminum alloy corrugated plate.

[0014] (3) The present invention sets a pressing device so that the long plate, the limit block, the rotating rod, the long block, the torsion spring, the long rod, the limit block, the pressure roller, the support block and the resistance block cooperate with each other, so that the resistance block can press the aluminum alloy corrugated plate flat through the pressure roller through the long rod, the limit block and the long block, thereby avoiding the problem that the aluminum alloy corrugated plate is bent when being polished, resulting in the aluminum alloy corrugated plate being damaged by polishing; at the same time, through the cooperation of the sponge roller and the pressure roller, the sponge roller can protect the convex part of the aluminum alloy corrugated plate, thereby avoiding the problem that the pressure roller can scratch the convex part of the aluminum alloy corrugated plate when the pressure roller reciprocates. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 A schematic diagram of the present invention as a whole;

[0016] Figure 2 This is a structural schematic diagram of the electric push rod of the present invention;

[0017] Figure 3 It is a schematic diagram of the structure of the grinding wheel of the present invention;

[0018] Figure 4 This is a schematic diagram of the structure of the adjusting wheel of the present invention;

[0019] Figure 5 It is a structural schematic diagram of the anti-scratch device of the present invention;

[0020] Figure 6 It is a structural schematic diagram of the pressing device of the present invention;

[0021] Figure 7 For the present invention Figure 6 Schematic diagram of the structure at point A in the middle.

[0022] In the figure: 1, base; 2, controller; 3, T-shaped clamping plate; 4, spring; 5, support rod; 6, protective plate; 7, fixed block; 8, anti-scratch device; 81, swivel ring; 82, cleaning brush ring; 83, connecting plate; 84, arc block; 9, pressing device; 91, long plate; 92, limit block; 93, rotating rod; 94, long block; 95, torsion spring; 96, long rod; 97, limiting block; 98, pressing roller; 99, support block; 910, abutting block; 911, sponge roller; 10, threaded rod; 1001, threaded sleeve; 11, electric push rod; 12, placement plate; 13, fixed arc plate; 14, rotating column; 15, adjusting wheel; 16, connecting block; 17, driver; 18, grinding wheel; 19, connecting rod; 20, abutting semi-sphere. Specific implementation mode

[0023] Next, the technical solutions in the embodiments of the present invention will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments.

[0024] Please refer to Figures 1 - 7 , an embodiment of the present invention is: a grinding device for building materials, including a base 1, a controller 2 is arranged on the side of the base 1, two corresponding chutes are opened on the top of the base 1, and both inner walls of the two chutes are slidably connected with a T-shaped clamping plate 3. The height of the T-shaped clamping plate 3 is set not to be higher than the convex surface of the aluminum alloy corrugated board. A spring 4 is arranged between the T-shaped clamping plate 3 and the base 1. A plurality of support rods 5 are fixedly connected to the top of the base 1, and the tops of the plurality of support rods 5 are fixedly connected to the same protective plate 6. Fixed blocks 7 are fixedly connected to both sides of the protective plate 6. A threaded rod 10 is rotatably connected between the two fixed blocks 7. The threaded rod 10 is driven by a motor, and the motor is fixedly connected to the side of one of the fixed blocks 7. A threaded sleeve 1001 is threadedly connected to the circumferential surface of the threaded rod 10. An electric push rod 11 is fixedly connected to the bottom of the threaded sleeve 1001. The telescopic end of the electric push rod 11 is fixedly connected to a placement plate 12. Two fixed arc plates 13 are fixedly connected to the bottom of the placement plate 12. The arc surfaces of the two fixed arc plates 13 penetrate and rotate a same rotating column 14. Adjusting wheels 15 are fixedly connected to both ends of the rotating column 14. A connecting block 16 is fixedly connected to the middle of the outer wall of the rotating column 14. A driver 17 is fixedly connected to the bottom of the connecting block 16. A grinding wheel 18 is fixedly connected to the output end of the driver 17. Through the setting of the above structure, while the grinding wheel 18 reciprocates, the driver 17 is started through the controller 2, and the output shaft of the driver 17 will make the grinding wheel 18 rotate and grind, so as to realize the effect of grinding the arc surface of the aluminum alloy corrugated board by the grinding wheel 18.

[0025] Both sides of the connecting block 16 are fixedly connected with connecting rods 19, and the ends of the two connecting rods 19 away from the connecting block 16 are fixedly connected with a resisting semicircular ball 20. The angle between the connecting rod 19 and the grinding wheel 18 is set to 95 degrees. The bottom of the placement plate 12 is provided with a notch for the movement of the connecting rod 19. Through the setting of the above structure, the grinding wheel 18 needs to be in close contact with the arc surface of the aluminum alloy corrugated plate, resulting in the grinding wheel 18 pushing the aluminum alloy corrugated plate to move along the surface of the T-shaped clamping plate 3, thereby causing the grinding wheel 18 to be difficult to stably grind the arc surface of the aluminum alloy corrugated plate. .

[0026] The outer wall of the connecting rod 19 is provided with an anti-scratch device 8, which includes a swivel 81, the inner wall of the swivel 81 is rotatably connected to the outer wall of the connecting rod 19, the side of the swivel 81 is fixedly connected with a cleaning brush ring 82, the side of the placement plate 12 is fixedly connected with a connecting plate 83, the side of the connecting plate 83 is fixedly connected with an arc block 84, the side of the arc block 84 is in contact with the outer wall of the swivel 81, and the cleaning brush ring 82 is located outside the hemispherical ball 20. Through the above-mentioned structure, the cleaning brush ring 82 can be easily removed. The rotation of the ring 82 will clean up the debris on the curved surface of the aluminum alloy corrugated plate that the conflicting semi-circular ball 20 conflicts with, thereby preventing the conflicting semi-circular ball 20 from squeezing the debris toward the curved surface of the aluminum alloy corrugated plate when it conflicts with the curved surface of the aluminum alloy corrugated plate, thereby causing the curved surface of the aluminum alloy corrugated plate to be pressed with small holes by the debris. The reciprocating motion of the cleaning brush ring 82 will clean up the debris on the curved surface of the aluminum alloy corrugated plate, thereby preventing the conflicting semi-circular ball 20 from causing the debris to scratch the curved surface of the aluminum alloy corrugated plate.

[0027] When in use, when the aluminum alloy corrugated plate is placed on the base 1, the corrugated sides of the aluminum alloy corrugated plate will push the two T-shaped clamping plates 3 to compress their respective springs 4. After the aluminum alloy corrugated plate is placed, the two springs 4 will drive their respective T-shaped clamping plates 3 to clamp and fix the aluminum alloy corrugated plate through their own elastic forces. The electric push rod 11 is driven by the controller 2, and the telescopic end of the electric push rod 11 will push the placement plate 12 to move downward. The downward movement of the placement plate 12 will drive the fixed arc plate 13, the rotating column 14, the adjusting wheel 15, the connecting block 16, the driver 17, and the grinding wheel 18 to move downward. Then, the adjusting wheel 15 is driven by the controller 2 to drive the rotating column 14 to rotate. The rotation of the rotating column 14 will drive the connecting block 16, the driver 17, and the grinding wheel 18 to adjust the angle, so as to adjust the grinding wheel 18 to an angle in contact with the arc surface of the aluminum alloy corrugated plate. Then, the motor is driven by the controller 2, and the output shaft of the motor rotates the threaded rod 10. The rotation of the threaded rod 10 will cause the threaded sleeve 1001 to move reciprocally. The reciprocal movement of the threaded sleeve 1001 will drive the electric push rod 11, the placement plate 12, the fixed arc plate 13, the rotating column 14, the adjusting wheel 15, the connecting block 16, the driver 17, and the grinding wheel 18 to move reciprocally. While the grinding wheel 18 is moving reciprocally, the driver 17 is started by the controller 2, and the output shaft of the driver 17 will cause the grinding wheel 18 to rotate and grind, thus achieving the effect of grinding the arc surface of the aluminum alloy corrugated plate by the grinding wheel 18; when the connecting block 16 is adjusting the angle, the connecting block 16 will drive the connecting rod 19 to move in an arc. The arc movement of the connecting rod 19 will drive the abutting semi-sphere 20 to move in an arc. When the grinding wheel 18 is at an angle in contact with the arc surface of the aluminum alloy corrugated plate, the abutting semi-sphere 20 will abut against the arc surface on the other side of the same concave surface of the aluminum alloy corrugated plate in contact with the grinding wheel 18, avoiding the problem that when the grinding wheel 18 grinds the arc surface of the aluminum alloy corrugated plate, because the grinding wheel 18 needs to be in close contact with the arc surface of the aluminum alloy corrugated plate, the grinding wheel 18 will push the aluminum alloy corrugated plate to move along the surface of the T-shaped clamping plate 3, resulting in the grinding wheel 18 being difficult to stably grind the arc surface of the aluminum alloy corrugated plate.

[0028] When the connecting rod 19 moves in an arc shape, the connecting rod 19 will drive the swivel 81 to move, and the swivel 81 will move along the surface of the arc block 84. Under the friction between the swivel 81 and the arc block 84, the swivel 81 will rotate while moving, and the rotation of the swivel 81 will drive the cleaning brush ring 82 to rotate. The rotation of the cleaning brush ring 82 will clean up the debris that the semi-circular ball 20 contacts with the arc surface of the aluminum alloy corrugated plate, so as to avoid the semi-circular ball 20 from simultaneously pushing the debris to the aluminum alloy corrugated plate when contacting the arc surface of the aluminum alloy corrugated plate. The arc surface is extruded, resulting in small holes being pressed out of the arc surface of the aluminum alloy corrugated plate by the debris. At the same time, when the connecting block 16 reciprocates, it will drive the connecting rod 19 and the abutting semi-circular ball 20 to reciprocate along the arc surface on the other side of the same concave surface of the aluminum alloy corrugated plate in contact with the grinding wheel 18. The movement of the connecting rod 19 will drive the rotating ring 81 and the cleaning brush ring 82 to reciprocate, so that the reciprocating movement of the cleaning brush ring 82 will clean up the debris on the arc surface of the aluminum alloy corrugated plate, thereby avoiding the problem of scratches on the arc surface of the aluminum alloy corrugated plate caused by the debris driven by the abutting semi-circular ball 20.

[0029] See also Figures 1 - 7 On the basis of the above embodiment, in another embodiment of the present invention, a pressing device 9 is provided on the outer wall of the telescopic end of the electric push rod 11, and the pressing device 9 includes two long plates 91, and the sides of the two long plates 91 are fixedly connected to the outer wall of the telescopic end of the electric push rod 11, and the sides of the two long plates 91 are fixedly connected to two limit blocks 92, and a rotating rod 93 is rotatably connected between the two limit blocks 92, and a long block 94 is fixedly connected to the outer wall of the rotating rod 93, and a torsion spring 95 is provided between the long block 94 and the two limit blocks 92, and a long rod 96 is fixedly penetrated through the lower side of the long block 94, and both ends of the long rod 96 are fixedly connected There are limiting blocks 97, and a pressure roller 98 is rotatably connected between the two limiting blocks 97. A support block 99 is fixedly connected to the bottom of the long plate 91 close to the long block 94, and a resistance block 910 is fixedly connected to the side of the long plate 91 close to the long block 94. The support block 99 is in contact with the long block 94, and the resistance block 910 is located on the displacement trajectory of the long block 94. Through the setting of the above structure, the resistance block 910 will flatten the aluminum alloy corrugated plate through the pressure roller 98, the long rod 96, the limiting block 97, and the long block 94, thereby avoiding the aluminum alloy corrugated plate from bending when being polished, resulting in the problem of the aluminum alloy corrugated plate being damaged by polishing.

[0030] The pressing device 9 also includes a sponge roller 911, the inner wall of which is fixedly connected to the outer wall of the pressing roller 98. Through the arrangement of the above structure, the sponge roller 911 will protect the convex parts of the aluminum alloy corrugated plate, thereby avoiding the problem that the pressing roller 98 will scratch the convex parts of the aluminum alloy corrugated plate when the pressing roller 98 reciprocates.

[0031] During use, some aluminum alloy corrugated plates are made of relatively thin materials. Therefore, when the T-shaped clamping plate 3 clamps and fixes the aluminum alloy corrugated plate, the aluminum alloy corrugated plate will bend. Therefore, the telescopic end of the electric push rod 11 will drive the two long plates 91 to move downward. The downward movement of the two long plates 91 will drive the limit block 92 to move downward. The downward movement of the limit block 92 will drive the rotating rod 93 to move downward. The downward movement of the rotating rod 93 will drive the long block 94 to move downward. The downward movement of the long block 94 will drive the long rod 96, the limit block 97, and the pressure roller 98 to move downward, so that the pressure roller 98 contacts the convex part of the aluminum alloy corrugated plate, and then the reaction force of the aluminum alloy corrugated plate will cause the pressure roller 98 to pass through the long plate 91. The rod 96, the limiting block 97 and the long block 94 drive the rotating rod 93 to rotate and deform the torsion spring 95. The long block 94 will be subjected to the resistance force of the resistance block 910 during the rotation. Therefore, the resistance block 910 will press the aluminum alloy corrugated plate flat through the long rod 96, the limiting block 97 and the long block 94 via the pressure roller 98, thereby preventing the aluminum alloy corrugated plate from bending when being polished, causing the aluminum alloy corrugated plate to be damaged by polishing; at the same time, the pressure roller 98 will reciprocate with the electric push rod 11, so the sponge roller 911 will protect the convex part of the aluminum alloy corrugated plate, thereby preventing the pressure roller 98 from scratching the convex part of the aluminum alloy corrugated plate when the pressure roller 98 reciprocates.

[0032] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes according to the technical scheme and inventive concept of the present invention within the technical scope disclosed by the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A grinding device for building materials, comprising a base (1), characterized in that: A controller (2) is provided on the side of the base (1); two corresponding slide grooves are provided on the top of the base (1); the inner walls of the two slide grooves are slidably connected to T-shaped clamping plates (3); a spring (4) is provided between the T-shaped clamping plates (3) and the base (1); a plurality of support rods (5) are fixedly connected to the top of the base (1); the tops of the plurality of support rods (5) are fixedly connected to the same protective plate (6); both sides of the protective plate (6) are fixedly connected to fixed blocks (7); a threaded rod (10) is rotatably connected between the two fixed blocks (7); the threaded rod (10) is driven by a motor, and the motor is fixedly connected to the side of one of the fixed blocks (7); the threaded rod (10) is 0) is threadedly connected to a threaded sleeve (1001), the bottom of the threaded sleeve (1001) is fixedly connected to an electric push rod (11), the telescopic end of the electric push rod (11) is fixedly connected to a placement plate (12), the bottom of the placement plate (12) is fixedly connected to two fixed arc plates (13), the arc surfaces of the two fixed arc plates (13) penetrate and rotate with a same rotating column (14), both ends of the rotating column (14) are fixedly connected to an adjusting wheel (15), the middle part of the outer wall of the rotating column (14) is fixedly connected to a connecting block (16), the bottom of the connecting block (16) is fixedly connected to a driver (17), and the output end of the driver (17) is fixedly connected to a grinding wheel (18); Both sides of the connection block (16) are fixedly connected to connection rods (19), and ends of the two connection rods (19) away from the connection block (16) are fixedly connected to abutment semicircular balls (20); The angle between the connecting rod (19) and the grinding wheel (18) is set to ninety-five degrees, and a slot for the connecting rod (19) to move is provided at the bottom of the placement plate (12).

2. A grinding device for building materials according to claim 1, characterized in that: The outer wall of the connecting rod (19) is provided with an anti-scratch device (8), the anti-scratch device (8) comprises a swivel (81), the inner wall of the swivel (81) is rotatably connected to the outer wall of the connecting rod (19), a cleaning brush ring (82) is fixedly connected to the side of the swivel (81), a connecting plate (83) is fixedly connected to the side of the placement plate (12), and an arc block (84) is fixedly connected to the side of the connecting plate (83).

3. A grinding device for building materials according to claim 2, characterized in that: The side surface of the arc block (84) contacts the outer wall of the rotating ring (81), and the cleaning brush ring (82) is located outside the abutting hemispherical ball (20).

4. A grinding device for building materials according to claim 1, characterized in that: The outer wall of the telescopic end of the electric push rod (11) is provided with a pressing device (9), and the pressing device (9) comprises two long plates (91), the side surfaces of the two long plates (91) are fixedly connected to the outer wall of the telescopic end of the electric push rod (11), the side surfaces of the two long plates (91) are fixedly connected to two limit blocks (92), a rotating rod (93) is rotatably connected between the two limit blocks (92), and the outer wall of the rotating rod (93) is fixedly connected to a long block (94), and the long block (94) ) and the two limit blocks (92), a torsion spring (95) is provided between each of the two limit blocks (92), a long rod (96) is fixedly passed through the lower side of the long block (94), both ends of the long rod (96) are fixedly connected to limit blocks (97), a pressure roller (98) is rotatably connected between the two limit blocks (97), a support block (99) is fixedly connected to the bottom of the long plate (91) on the side close to the long block (94), and a resistance block (910) is fixedly connected to the side of the long plate (91) close to the long block (94).

5. A grinding device for building materials according to claim 4, characterized in that: The pressing device (9) further comprises a sponge roller (911), wherein the inner wall of the sponge roller (911) is fixedly connected to the outer wall of the pressing roller (98).

6. A grinding device for building materials according to claim 4, characterized in that: The support block (99) is in contact with the long block (94), and the abutment block (910) is located on the displacement track of the long block (94).

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