Milling finish degree treatment device based on elevator guide rail surface and using method

Abstract

The invention relates to the technical field of guide rail machining, in particular to a milling smoothness treatment device based on the surface of an elevator guide rail and a using method.The milling smoothness treatment device comprises a base, supporting rollers and a positioning plate, side plates are fixedly connected to the two sides of the upper end of the base, and one ends of the side plates are connected with the positioning plate through electric push rods; the guide rail is placed at the upper end of the supporting roller, the two milling smoothness treatment mechanisms are installed on the two sides of one end of the guide rail, the bottom ends of the milling smoothness treatment mechanisms are installed in the groove, the dust removal boxes are installed on one sides of the milling smoothness treatment mechanisms correspondingly, and the dust removal fans are installed on the side faces of the dust removal boxes through the filtering boxes. The abrasion condition of the grinding wheel is monitored in real time, and the position of the grinding wheel can be finely adjusted according to the detected condition, so that it is guaranteed that the contact pressure between the grinding wheel and the guide rail is within a certain range all the time, and then the smoothness of the ground guide rail surface is effectively improved.

Description

Technical Field

[0001] The invention relates to the technical field of guide rail processing, and in particular to a milling finish processing device based on the surface of an elevator guide rail and a use method thereof. Background Art

[0002] Elevator guide rail surface milling finish processing devices generally refer to mechanical equipment specially designed to improve and enhance the surface finish of elevator guide rails. These devices remove burrs, unevenness and other defects on the guide rail surface through precision milling, grinding or polishing processes to achieve the required surface roughness standards. They may include automated milling heads, multi-axis machine tools, polishing tools and corresponding control systems to ensure the consistency and accuracy of the guide rail surface treatment, thereby improving the smoothness and safety of elevator operation; After the initial processing of the guide rail is completed, the cutting surface and surface of the guide rail have scratches due to milling and transportation reasons. Direct installation and use will increase the friction between the guide rail and the roller, and impurities are easily accumulated at the scratches, which makes subsequent cleaning and maintenance more troublesome. Therefore, it is necessary to ensure the milling finish of the guide rail surface, which is generally solved by grinding. However, in the process of grinding the guide rail, the existing grinding device will cause uneven grinding due to wear problems, and it is difficult to ensure the smoothness of the guide rail surface. Therefore, in view of the above problems, a milling finish processing device based on the surface of an elevator guide rail and a method of use are proposed. Summary of the invention

[0003] The purpose of the present invention is to provide a milling finish processing device and a method for using the surface of an elevator guide rail, so as to solve the problem that in the process of grinding the guide rail with the existing grinding device, due to wear problems, uneven grinding occurs, and it is difficult to ensure the smoothness of the guide rail surface.

[0004] To achieve the above object, the present invention provides the following technical solutions: The device and method for using the milling finish processing of the surface of the elevator guide rail include a base, a support roller and a positioning plate, both sides of the upper end of the base are fixedly connected with side plates, one end of the side plate is connected to the positioning plate through an electric push rod, a support roller is provided at the lower end of the positioning plate, a guide rail is placed on the upper end of the support roller, two milling finish processing mechanisms are installed on both sides of one end of the guide rail, the bottom end of the milling finish processing mechanism is installed in the groove, one side of the milling finish processing mechanism is installed with a dust removal box, a dust removal fan is installed on the side of the dust removal box through a filter box, an adjustment mechanism is installed inside the dust removal box through a vertical plate, and a laser rangefinder is installed on the upper end of the vertical plate through a clamp; the two milling finish processing mechanisms include grinding wheels, and the grinding wheels are fixed in the middle A transmission shaft is connected, the bottom end of the transmission shaft is fixedly connected to the main shaft of the driving motor, and the bottom end of the driving motor housing is fixedly connected to a moving seat; the adjusting mechanism includes a moving tooth plate, a micro-electric telescopic rod is installed on one side of the moving tooth plate, one side of the moving tooth plate is meshed with a gear, a first connecting shaft is fixedly connected in the middle of the gear, the outer side of the lower end of the first connecting shaft is rotatably connected to the first limit plate, the bottom end of the first connecting shaft is fixedly connected to the first bevel gear, the first bevel gear is meshed with the second bevel gear, the second connecting shaft is fixedly connected in the middle of the second bevel gear, the inner side of the other end of the second connecting shaft is spirally connected to the threaded screw, the outer side of the second connecting shaft is rotatably connected to the second limit plate, and guide rods are slidably connected to the inside of both sides of the second limit plate.

[0005] As a further optimization of the present invention, there are two dust removal boxes, which correspond one to one with the milling finish processing mechanism, and the dust removal box includes a box body, an air inlet is provided at one end of the box body close to the guide rail, an exhaust port is provided on the side of the box body, and a through hole connected to the groove is provided at the lower end of the box body.

[0006] As a further optimization of the present invention, the air inlet corresponds to the grinding wheel, a filter box is installed on the outside of the air outlet, and the bottom end of the dust removal box is fixedly connected to the base.

[0007] As a further optimization of the present invention, the grinding wheel is arranged on both sides of the guide rail, the center point of the grinding wheel on one side is arranged on the same vertical line as the center point of the transmission shaft, the driving motor, and the moving seat, and the bottom end of the driving motor and the moving seat are both arranged inside the groove, and the moving seat is slidably connected to the base through the groove.

[0008] As a further optimization of the present invention, two side plates and two positioning plates are provided, the side plates are parallel to the positioning plates, the positioning plates are arranged on the upper end of the support rollers, a plurality of support rollers are provided, the support rollers are equidistant from each other, and the support rollers are rotatably connected to the side plates.

[0009] As a further optimization of the present invention, the fixed end of the micro electric telescopic rod is fixedly connected to the vertical plate, the first limit plate is installed inside the groove, and the angle between the first limit plate and the first connecting axis is 90°.

[0010] As a further optimization of the present invention, the end of the second connecting shaft away from the second limiting plate is rotatably connected to the base, the second connecting shaft is installed inside the groove, the angle between the second connecting shaft and the second limiting plate is 90°, and the second limiting plate is fixedly connected to the inner wall of the groove.

[0011] As a further optimization of the present invention, two guide rods are provided, the guide rods are parallel to each other, and the guide rods and the threaded screw are fixedly connected to the moving seat.

[0012] As a further optimization of the present invention, a chip removal hole is opened at the bottom of the groove, the groove has no contact with the second bevel gear through the inner wall, and the angle formed by the central axis of the first bevel gear and the second bevel gear is 90°.

[0013] As a further optimized content of the present invention, the following steps are included: Step I: Guide rail positioning: Place the guide rail at the upper end of the support roller set at the upper end of the base, and then use the electric push rod to drive the positioning plate to move in the direction of the guide rail, so that the positioning plate can position the positions on both sides of the guide rail. During the positioning process, the distance between the guide rail and the positioning plate is ±0.1cm; Step II: Power on the equipment and calibrate the position of the guide rail and the milling finish processing mechanism: Power on the entire equipment through an external industrial power supply. After powering on, calibrate the position of the milling finish processing mechanism to ensure the stability of the guide rail during grinding; Step III: Grinding the guide rail through the milling finish processing mechanism: The driving motor drives the transmission shaft and the grinding wheel to rotate synchronously. During the rotation, the grinding wheel contacts both sides of the guide rail to grind the outer side of the guide rail, thereby improving the finish of the outer side of the guide rail. During the grinding process, the guide rail is controlled by an external conveying device to ensure that the guide rail moves at a uniform speed during the grinding process, thereby ensuring the smoothness of the grinding; Step IV: During the guide rail finish treatment process, the dust is treated, and the position of the grinding wheel is adjusted in real time according to the friction of the grinding wheel: During the guide rail finish treatment process, the dust removal fan uses the exhaust port to remove the dust generated during the grinding process, and uses the negative pressure generated inside the box to treat it and collect it inside the filter box. During the grinding process, the laser rangefinder monitors the wear of the grinding wheel in real time and controls the micro-electric telescopic rod to move. The micro-electric telescopic rod moves, and the control gear drives the first bevel gear to rotate, and then drives the second bevel gear and the second connecting shaft to rotate. During the rotation of the second connecting shaft, the threaded screw drives the moving seat to move, so as to realize the displacement of the grinding wheel and achieve adjustment.

[0014] Compared with the prior art, the present invention has the following beneficial effects: 1. In the present invention, by means of the adjustment mechanism, dust removal box, dust removal fan and laser rangefinder, the wear of the grinding wheel can be monitored in real time during the process of grinding the guide rail, and the position of the grinding wheel can be fine-tuned according to the detection situation to ensure that the contact pressure between the grinding wheel and the guide rail is always within a certain range, thereby effectively improving the smoothness of the guide rail surface after grinding, and the dust generated by grinding is processed in real time by the dust removal mechanism to prevent the dust from floating between the guide rail and the laser rangefinder for a long time, which affects the monitoring problem, and is more stable; 2. In the present invention, the adjustment mechanism is set up and the adjustment is performed through multiple structures, so the adjustment accuracy is further improved. The adjustment structure as a whole adopts a mechanical structure, which is more stable and can be used in extreme environments that electronic components are difficult to adapt to. At the same time, the cost of use and the cost of later maintenance can be reduced; 3. In the present invention, during the guide rail finish treatment, the dust removal fan removes the dust generated during the grinding process through the exhaust port, utilizes the negative pressure generated inside the box to treat it, and collects it into the filter box, so that the dust can be treated in real time and it is convenient for the centralized treatment of the treated dust at a later time. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a schematic diagram of the overall structure of the present invention; Figure 2 This is a schematic diagram of the internal structure of the dust removal box of the present invention; Figure 3 For the present invention Figure 2 Schematic diagram of the structure at A in the middle; Figure 4 For the present invention Figure 2 Schematic diagram of the structure at B in the middle; Figure 5 This is a schematic diagram of the groove opening position structure of the present invention; Figure 6 This is a schematic diagram of the dust removal box structure of the present invention; Figure 7 It is a schematic diagram of the structure of the regulating mechanism of the present invention.

[0016] In the figure: 1. base; 2. Dust removal box; 21. Box body; 22. Air inlet; 23. Air outlet; 3. Milling finish processing mechanism; 31. Grinding wheel; 32. Transmission shaft; 33. Driving motor; 34. Moving seat; 4. Dust removal fan; 5. Filter box; 6. Side panel; 7. Electric push rod; 8. Adjustment mechanism; 81. Moving tooth plate; 82. Micro electric telescopic rod; 83. Gear; 84. First connecting shaft; 85. First limit plate; 86. First bevel gear; 87. Second bevel gear; 88. Second connecting shaft; 89. Second limit plate; 810. Guide rod; 811. Threaded screw; 9. Support roller; 10. Positioning plate; 11. Guide rail; 12. Vertical plate; 13. Clamp; 14. Laser rangefinder; 15. Groove. DETAILED DESCRIPTION

[0017] See also Figure 1-7 , the present invention provides a technical solution: The device and method for using the milling finish processing device based on the surface of the elevator guide rail include a base 1, a support roller 9 and a positioning plate 10. The upper end of the base 1 is fixedly connected with side plates 6 on both sides, and one end of the side plate 6 is connected to the positioning plate 10 through an electric push rod 7. The lower end of the positioning plate 10 is provided with a support roller 9, and a guide rail 11 is placed on the upper end of the support roller 9. Two milling finish processing mechanisms 3 are installed on both sides of one end of the guide rail 11. The bottom end of the milling finish processing mechanism 3 is installed in the groove 15. A dust removal box 2 is installed on one side of the milling finish processing mechanism 3. A dust removal fan 4 is installed on the side of the dust removal box 2 through a filter box 5. An adjustment mechanism 8 is installed inside the dust removal box 2 through a vertical plate 12. A laser rangefinder 14 is installed on the upper end of the vertical plate 12 through a clamp 13; the two milling finish processing mechanisms 3 include a grinding wheel 31, and a transmission wheel 31 is fixedly connected in the middle. Shaft 32, the bottom end of the transmission shaft 32 is fixedly connected to the main shaft of the driving motor 33, and the bottom end of the driving motor 33 shell is fixedly connected to a moving seat 34; the adjusting mechanism 8 includes a moving tooth plate 81, a micro-electric telescopic rod 82 is installed on one side of the moving tooth plate 81, one side of the moving tooth plate 81 is meshed with a gear 83, a first connecting shaft 84 is fixedly connected in the middle of the gear 83, the outer side of the lower end of the first connecting shaft 84 is rotatably connected to the first limit plate 85, the bottom end of the first connecting shaft 84 is fixedly connected to the first bevel gear 86, the first bevel gear 86 is meshed with the second bevel gear 87, the second bevel gear 87 is fixedly connected in the middle of the second connecting shaft 88, the other end of the second connecting shaft 88 is spirally connected to the threaded screw 811 on the inner side, the second connecting shaft 88 is rotatably connected to the second limit plate 89 on the outer side, and the guide rods 810 are slidably connected to the inside of the second limit plate 89 on both sides.

[0018] As a technical solution for further implementation of this scheme, two dust removal boxes 2 are provided, and there is a one-to-one correspondence between the dust removal boxes 2 and the milling finish processing mechanism 3. The dust removal box 2 includes a box body 21, and an air inlet 22 is provided at one end of the box body 21 close to the guide rail 11, and an air outlet 23 is provided on the side of the box body 21. A through hole connected to the groove 15 is provided at the lower end of the box body 21, and the air inlet 22 corresponds to the grinding wheel 31. A filter box 5 is installed on the outside of the air outlet 23, and the bottom end of the dust removal box 2 is fixedly connected to the base 1. Through the above arrangement, the dust removal fan 4 can be used to generate negative pressure inside the box body 21 during the finish processing of the guide rail 11, and the dust can be processed and collected inside the filter box 5; As a technical solution for further implementation of this scheme, the grinding wheel 31 is arranged on both sides of the guide rail 11, and the center point of the single-side grinding wheel 31 is arranged on the same vertical line as the center point of the transmission shaft 32, the driving motor 33, and the moving seat 34, and the bottom end of the driving motor 33 and the moving seat 34 are both arranged inside the groove 15, and the moving seat 34 is slidably connected to the base 1 through the groove 15. Through the above arrangement, the stability of the entire device during operation can be further improved; As a technical solution for further implementation of this scheme, two side plates 6 and two positioning plates 10 are provided, the side plates 6 and the positioning plates 10 are parallel to each other, the positioning plates 10 are arranged on the upper end of the support rollers 9, a plurality of support rollers 9 are provided, the spacing between the support rollers 9 is equal, and the support rollers 9 are rotatably connected to the side plates 6. Through the above arrangement, the guide rails 11 can be aligned and positioned during the grinding and movement process to ensure stability during the grinding process; As a further technical solution of the present invention, the fixed end of the micro electric telescopic rod 82 is fixedly connected to the vertical plate 12, the first limit plate 85 is installed inside the groove 15, and the angle between the first limit plate 85 and the first connecting shaft 84 is 90°. Through the above arrangement, the rotation stability of the first connecting shaft 84 can be ensured, and the micro electric telescopic rod 82 can be positioned; As a technical solution for further implementation of this solution, one end of the second connecting shaft 88 away from the second limiting plate 89 is rotatably connected to the base 1, and the second connecting shaft 88 is installed inside the groove 15. The angle formed between the second connecting shaft 88 and the second limiting plate 89 is 90°, and the second limiting plate 89 is fixedly connected to the inner wall of the groove 15. Through the above arrangement, the stability of the second connecting shaft 88 during the rotation process can be ensured; As a technical solution for further implementing the present invention, two guide rods 810 are provided, the guide rods 810 are parallel to each other, the guide rods 810 and the threaded screw 811 are fixedly connected to the moving seat 34, and the stability of the moving seat 34 during movement can be ensured by providing the guide rods 810; As a further technical solution for implementing the present invention, a chip removal hole is provided at the bottom of the groove 15, and there is no contact between the inner wall of the groove 15 and the second bevel gear 87. The angle formed by the central axis of the first bevel gear 86 and the second bevel gear 87 is 90°. Through the above arrangement, it is easy to handle the internal debris of the groove 15, and it can be ensured that there is no interference problem in the internal structure of the groove 15 during operation. As a technical solution for further implementing this plan, the following steps are included: Step I: Positioning the guide rail 11: Place the guide rail 11 at the upper end of the support roller 9 provided at the upper end of the base 1, and then drive the positioning plate 10 to move in the direction of the guide rail 11 through the electric push rod 7, so that the positioning plate 10 positions the positions of both sides of the guide rail 11. During the positioning process, the distance between the guide rail 11 and the positioning plate 10 is ±0.1 cm; Step II: Power on the equipment and calibrate the positions of the guide rail 11 and the milling finish processing mechanism 3: Power on the entire equipment through an external industrial power supply. After powering on, calibrate the position of the milling finish processing mechanism 3 to ensure the stability of the guide rail 11 during the grinding process; Step III: Grinding the guide rail 11 through the milling finish processing mechanism 3: The driving motor 33 drives the transmission shaft 32 and the grinding wheel 31 to rotate synchronously. During the rotation process, the grinding wheel 31 contacts both sides of the guide rail 11 to achieve grinding of the outer side of the guide rail 11, thereby improving the finish of the outer side of the guide rail 11. During the grinding process, the guide rail 11 is controlled by an external conveying device to ensure that the guide rail 11 moves at a uniform speed during the grinding process, thereby ensuring the smoothness of the grinding; Step IV: During the surface finish treatment of the guide rail 11, the dust is treated, and the position of the grinding wheel 31 is adjusted in real time according to the friction of the grinding wheel 31: During the surface finish treatment of the guide rail 11, the dust removal fan 4 uses the negative pressure generated inside the box 21 to treat the dust generated during the grinding process through the exhaust port 23, and collects it into the filter box 5. During the grinding process, the laser rangefinder 14 monitors the wear of the grinding wheel 31 in real time, and controls the micro-electric telescopic rod 82 to move. The micro-electric telescopic rod 82 moves, and the control gear 83 drives the first bevel gear 86 to rotate, and then drives the second bevel gear 87 and the second connecting shaft 88 to rotate. During the rotation of the second connecting shaft 88, the threaded screw 811 drives the moving seat 34 to move, so as to realize the displacement of the grinding wheel 31 and realize the adjustment.

[0019] This article uses specific examples to illustrate the principles and implementation methods of the present invention. The above examples are only used to help understand the method and core ideas of the present invention. The above is only a preferred implementation of the present invention. It should be pointed out that due to the limitations of textual expression and the objective existence of infinite specific structures, ordinary technicians in this technical field can make several improvements, modifications or changes without departing from the principles of the present invention, and can also combine the above technical features in an appropriate manner; these improvements, modifications, changes or combinations, or the direct application of the inventive concept and technical solution to other occasions without improvement, should be regarded as the protection scope of the present invention.

Claims

1. A milling finish processing device for the surface of an elevator guide rail, comprising a base (1), a support roller (9) and a positioning plate (10), characterized in that: Both sides of the upper end of the base (1) are fixedly connected with side plates (6), one end of the side plate (6) is connected with a positioning plate (10) through an electric push rod (7), a support roller (9) is provided at the lower end of the positioning plate (10), a guide rail (11) is placed at the upper end of the support roller (9), two milling finish processing mechanisms (3) are installed on both sides of one end of the guide rail (11), the bottom end of the milling finish processing mechanism (3) is installed inside the groove (15), one side of the milling finish processing mechanism (3) is installed with a dust removal box (2), a dust removal fan (4) is installed on the side of the dust removal box (2) through a filter box (5), an adjustment mechanism (8) is installed inside the dust removal box (2) through a vertical plate (12), and a laser rangefinder (14) is installed on the upper end of the vertical plate (12) through a clamp (13); The two milling finish processing mechanisms (3) comprise a grinding wheel (31), a transmission shaft (32) is fixedly connected in the middle of the grinding wheel (31), the bottom end of the transmission shaft (32) is fixedly connected to the main shaft of a driving motor (33), and the bottom end of the housing of the driving motor (33) is fixedly connected to a moving seat (34); The adjustment mechanism (8) comprises a movable tooth plate (81), a micro electric telescopic rod (82) is mounted on one side of the movable tooth plate (81), one side of the movable tooth plate (81) is meshed with a gear (83), a first connecting shaft (84) is fixedly connected in the middle of the gear (83), the lower end of the first connecting shaft (84) is rotatably connected to a first limit plate (85) on the outer side, a first bevel gear (86) is fixedly connected to the bottom end of the first connecting shaft (84), the first bevel gear (86) is meshed with a second bevel gear (87), a second connecting shaft (88) is fixedly connected in the middle of the second bevel gear (87), the other end of the second connecting shaft (88) is spirally connected to a threaded screw (811) on the inner side, the second connecting shaft (88) is rotatably connected to a second limit plate (89) on the outer side, and guide rods (810) are slidably connected to the inside of both sides of the second limit plate (89).

2. The milling finish processing device based on the surface of the elevator guide rail according to claim 1 is characterized in that: Two dust removal boxes (2) are provided, and the dust removal boxes (2) correspond to the milling finish processing mechanisms (3) one by one. The dust removal boxes (2) comprise a box body (21), an air inlet (22) is provided at one end of the box body (21) close to the guide rail (11), an air outlet (23) is provided on the side of the box body (21), and a through hole communicating with the groove (15) is provided at the lower end of the box body (21).

3. The milling finish processing device based on the surface of the elevator guide rail according to claim 2 is characterized in that: The air inlet (22) corresponds to the grinding wheel (31), a filter box (5) is installed outside the air outlet (23), and the bottom end of the dust removal box (2) is fixedly connected to the base (1).

4. The milling finish processing device based on the surface of the elevator guide rail according to claim 1 is characterized in that: The grinding wheel (31) is arranged on both sides of the guide rail (11), the center point of the grinding wheel (31) on one side is arranged on the same vertical line as the center point of the transmission shaft (32), the driving motor (33), and the moving seat (34), and the bottom end of the driving motor (33) and the moving seat (34) are both arranged inside the groove (15), and the moving seat (34) is slidably connected to the base (1) through the groove (15).

5. The milling finish processing device based on the surface of elevator guide rail according to claim 1 is characterized in that: Two side plates (6) and two positioning plates (10) are provided, the side plates (6) and the positioning plates (10) are parallel to each other, the positioning plates (10) are arranged on the upper end of the support roller (9), a plurality of support rollers (9) are provided, the support rollers (9) are spaced evenly apart, and the support rollers (9) are rotatably connected to the side plates (6).

6. The device for processing the surface finish of elevator guide rails by milling according to claim 1, characterized in that: The fixed end of the micro electric telescopic rod (82) is fixedly connected to the vertical plate (12); the first limit plate (85) is installed inside the groove (15); and the angle formed between the first limit plate (85) and the first connecting shaft (84) is 90°.

7. The device for processing the surface finish of elevator guide rails by milling according to claim 1, characterized in that: One end of the second connecting shaft (88) away from the second limiting plate (89) is rotatably connected to the base (1); the second connecting shaft (88) is installed inside the groove (15); the angle formed between the second connecting shaft (88) and the second limiting plate (89) is 90°; and the second limiting plate (89) is fixedly connected to the inner wall of the groove (15).

8. The device for processing the surface finish of elevator guide rails by milling according to claim 1, characterized in that: Two guide rods (810) are provided, the guide rods (810) are parallel to each other, and the guide rods (810) and the threaded screw rod (811) are both fixedly connected to the movable seat (34).

9. The milling finish processing device based on the surface of elevator guide rail according to claim 1 is characterized in that: A chip removal hole is provided at the bottom of the groove (15); there is no contact between the groove (15) and the second bevel gear (87) through the inner wall; and the angle formed by the central axes of the first bevel gear (86) and the second bevel gear (87) is 90°.

10. The method for using the milling finish processing device based on the surface of an elevator guide rail according to any one of claims 1 to 9, characterized in that: The following steps are involved: Step I: Positioning the guide rail (11): placing the guide rail (11) at the upper end of the support roller (9) provided at the upper end of the base (1), and then driving the positioning plate (10) to move in the direction of the guide rail (11) by the electric push rod (7), so that the positioning plate (10) positions the positions of both sides of the guide rail (11). During the positioning process, the distance between the guide rail (11) and the positioning plate (10) is ±0.1 cm; Step II: Power on the equipment and calibrate the positions of the guide rail (11) and the milling finish processing mechanism (3): Power on the entire equipment through an external industrial power supply. After powering on, calibrate the position of the milling finish processing mechanism (3) to ensure the stability of the guide rail (11) during the grinding process; Step III: grinding the guide rail (11) by means of a milling finish processing mechanism (3): the driving motor (33) drives the transmission shaft (32) and the grinding wheel (31) to rotate synchronously, and the grinding wheel (31) contacts both sides of the guide rail (11) during the rotation process to grind the outer side of the guide rail (11), thereby improving the finish of the outer side of the guide rail (11). During the grinding process, the guide rail (11) is controlled by an external conveying device to ensure that the guide rail (11) moves at a uniform speed during the grinding process, thereby ensuring the smoothness of the grinding; Step IV: During the surface finish treatment of the guide rail (11), the dust generated during the grinding process is treated, and the position of the grinding wheel (31) is adjusted in real time according to the friction of the grinding wheel (31): During the surface finish treatment of the guide rail (11), the dust removal fan (4) removes the dust generated during the grinding process through the exhaust port (23) by using the negative pressure generated inside the box (21) and collects the dust into the filter box (5). During the grinding process, the laser rangefinder (14) monitors the wear of the grinding wheel (31) in real time and controls the micro electric telescopic rod (82) to move. When the micro electric telescopic rod (82) moves, the control gear (83) drives the first bevel gear (86) to rotate, thereby driving the second bevel gear (87) and the second connecting shaft (88) to rotate. During the rotation of the second connecting shaft (88), the threaded screw (811) drives the moving seat (34) to move, so as to achieve the displacement of the grinding wheel (31) and achieve adjustment.

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