A special chamfering device for linear guide rail end face and a using method thereof

Abstract

The application relates to the technical field of chamfering devices, and discloses a special chamfering device for linear guide rail end faces and a use method, which comprises a bottom plate and a lubricating assembly, the top of the bottom plate is fixedly connected with guide rail one and guide rail two through screws respectively, the two sides of the guide rail one and the guide rail two are fixedly connected with connecting plates through screws, one side of one of the connecting plates is fixedly connected with a clamping plate one through a screw, one side of the clamping plate one is fixedly connected with a protective shell one through a screw, the setting of a threaded rod one and a chamfering disc and other structures enables motor one to drive the transmission sleeve and all the components above to move in the threaded direction when chamfering is needed, meanwhile, the chamfering disc and the polishing disc start working to perform rough and fine machining, and then iron filings are removed through the setting of a cleaning plate, so that the automatic chamfering efficiency is high, and the problems of low chamfering efficiency and poor safety in the prior art are solved.

Description

Technical Field

[0001] This invention relates to the field of chamfering device technology, specifically to a chamfering device for the end face of a linear guide and its usage method. Background Technology

[0002] The chamfering device for the end face of linear guides is an indispensable process in the current production of linear guides. The chamfering work is usually done manually with a grinding machine, which wastes a lot of time and effort, increases production costs, and has the disadvantages of manual chamfering, such as chamfering deviation and slow grinding speed. Therefore, there is a need for a device that can improve the efficiency and accuracy of chamfering to solve the problems in the existing technology.

[0003] The existing technology of a chamfering device for the end face of a linear guide has the following disadvantages: 1. The chamfering devices for the end face of linear guides commonly available on the market are all made by manual grinding, which is time-consuming and labor-intensive. Moreover, under long-term work, manual chamfering is prone to chamfering deviation or slow grinding speed, resulting in unstable product quality and even affecting the overall performance and use effect of the linear guide.

[0004] 2. A traditional linear guide rail end face chamfering device has the problem of inaccurate detection after chamfering. After chamfering each side of the guide rail separately, the flatness of the entire guide rail needs to be checked to avoid deviations during chamfering that could lead to non-parallelism, affecting subsequent use and posing a higher safety hazard. Summary of the Invention

[0005] This invention proposes a special chamfering device and method for the end face of linear guide rails, which solves the problems of low chamfering efficiency and poor safety in related technologies.

[0006] The technical solution of the present invention is as follows: a special chamfering device for the end face of a linear guide rail, comprising a base plate and a lubrication assembly, wherein a guide rail one and a guide rail two are respectively fixedly connected to the top of the base plate by screws, and connecting plates are fixedly connected to both sides of the guide rail one and the guide rail two by screws, wherein a clamping plate one is fixedly connected to one side of one of the connecting plates by screws.

[0007] A protective shell is fixedly connected to one side of the clamping plate one by screws. A motor is installed on one side of the protective shell one. The output end of the motor one is connected to a coaxially arranged threaded rod one via a coupling. The threaded rod one is rotatably installed inside the protective shell one. A transmission sleeve is threaded onto the outside of the threaded rod one. A fixing plate one is fixedly connected to the top of the transmission sleeve by screws. A rack is fixedly connected to one side of the protective shell one by screws. A fixing plate two is fixedly connected to one side of the fixing plate one by screws. A rotating rod is rotatably installed inside the fixing plate one. A gear one is fixedly connected to the bottom of the rotating rod by screws. The gear one meshes with the rack. The bottom of the gear one is open... A telescopic rod is fixedly connected by screws. A chamfering disc is fixedly connected to the bottom of the telescopic rod by screws. A rotating shaft is rotatably installed inside the fixing plate. A gear is fixedly sleeved on the outside of the rotating shaft. A synchronous belt is sleeved on the outside of the rotating rod and the rotating shaft through a synchronous pulley. A fixing rod is rotatably installed inside the fixing plate. A gear is fixedly sleeved on the outside of the fixing rod. The gear is meshed with the gear. A telescopic rod is fixedly connected to the bottom of the fixing rod by screws. A grinding disc is fixedly connected to the bottom of the telescopic rod by screws. A connecting rod is fixedly connected to one side of the fixing plate by screws. A cleaning plate is fixedly connected to one side of the connecting rod by screws.

[0008] Preferably, a clamping plate two is fixedly connected to one side of another connecting plate by screws, and a protective shell two is fixedly connected to the top of the clamping plate two by screws. A motor two is installed on one side of the protective shell two, and the output end of the motor two is connected to a coaxially arranged threaded rod two through a coupling. The threaded rod two is rotatably installed inside the protective shell two, and a movable plate is threaded on the outside of the threaded rod two. Two dial indicators symmetrically arranged are installed inside the movable plate.

[0009] Preferably, the lubrication assembly includes a placement plate, which is fixedly connected to one side of the connecting rod by screws. An oil tank is fixedly connected to the top of the placement plate by screws. A pressure pump is installed on the top of the oil tank. An oil inlet is fixedly connected to one side of the oil tank by screws, and an oil outlet is fixedly connected to the other side of the oil tank by screws.

[0010] Preferably, the protective shell has a rotating groove inside, and the threaded rod is rotatably installed inside the rotating groove, providing space for the threaded rod to rotate.

[0011] Preferably, the top of the protective shell is provided with a movable groove, and the transmission sleeve is slidably connected inside the movable groove. The movable groove communicates with the rotating groove, providing space for the transmission sleeve to move.

[0012] Preferably, the fixed plate one has a rotating groove two inside, and the rotating rod and the gear one are both rotatably installed inside the rotating groove two, providing space for the rotating rod to rotate.

[0013] Preferably, the fixed plate 2 has a rotating groove 3 inside, and the gear 2 is rotatably installed inside the rotating groove 3. The rotating groove 3 communicates with the rotating groove 2, providing space for the gear 2 to rotate.

[0014] Preferably, the protective shell 2 has a straight groove inside, and the threaded rod 2 is rotatably installed inside the straight groove, providing space for the threaded rod 2 to rotate.

[0015] Preferably, a movable groove is provided on one side of the second protective shell, and the movable plate is slidably connected inside the movable groove. The movable groove communicates with the straight groove, providing space for the movable plate to move.

[0016] A method for using a dedicated chamfering device for the end face of a linear guide rail, comprising the following steps:

[0017] S1. Connect the protective shell to one of the guide rails, start the motor to drive the chamfering disk to move and rotate to cut the chamfer required by the guide rail;

[0018] S2. While the chamfering disc is working, the grinding disc will work simultaneously to grind the flanging and burrs formed after the rough chamfering, ensuring that the guide rail can be used normally.

[0019] S3. While the grinding disc is working, the connecting rod moves synchronously. During the movement, the cleaning plate wipes away any areas that are covered with iron filings and may affect normal use.

[0020] S4. Attach the protective shell to each area that needs chamfering, and repeat the above steps to chamfer, sand and clean.

[0021] S5. After all chamfering is completed, connect the second protective shell to the connecting plate and start the second motor to check the flatness of the chamfered guide rail to avoid affecting normal use;

[0022] S6. After the inspection is completed and there are no problems, the chamfered guide rail needs to be lubricated using the lubrication component to ensure smooth operation and prevent rusting during subsequent use.

[0023] The working principle and beneficial effects of this invention are as follows:

[0024] 1. In this invention, by setting up structures such as threaded rod and chamfering disc, when chamfering is required, motor one is started to drive the transmission sleeve and all components above it to move along the direction of the thread. At the same time, the chamfering disc and grinding disc start working to perform rough and fine machining. Then, the cleaning plate removes the iron filings, thus achieving a highly efficient automated chamfering effect.

[0025] 2. In this invention, by setting up structures such as the threaded rod and dial indicator, after all chamfering is completed, the flatness of each guide rail needs to be checked. The motor is started to drive the dial indicator to move on the surface of the guide rail, and the value is observed to determine whether it is parallel, thus achieving the effect of improving safety.

[0026] 3. In this invention, by setting up structures such as an oil tank and a pressure pump, while cleaning iron filings on the guide rail, the pressure pump pressurizes the lubricant stored inside the oil tank, causing it to be squeezed out from inside the oil tank and applied to the guide rail, thus achieving safety in use.

[0027] To make the above and other objects, features and advantages of the present invention more apparent and understandable, preferred embodiments are described below in detail with reference to the accompanying drawings. Attached Figure Description

[0028] To more clearly illustrate the technical solutions in the embodiments of the present invention or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present invention. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0029] Figure 1 This is a front view of the overall structure of the present invention;

[0030] Figure 2 This is a side view of the overall structure of the present invention;

[0031] Figure 3 This is a schematic diagram of the overall structure of the chamfered portion of the present invention;

[0032] Figure 4 This is a schematic diagram of the internal structure of the protective shell of the present invention;

[0033] Figure 5 This is a schematic diagram of the chamfered portion of the present invention;

[0034] Figure 6 This is a schematic diagram of the chamfered transmission structure of the present invention;

[0035] Figure 7 For the present invention Figure 3 Enlarged view of point A in the middle;

[0036] Figure 8 For the present invention Figure 2 Enlarged view at point B in the middle;

[0037] Figure 9 This is a schematic diagram of the overall structure of the detection part of the present invention;

[0038] Figure 10 This is a schematic diagram of the transmission structure of the detection part of the present invention.

[0039] In the diagram: 1. Base plate; 2. Guide rail one; 3. Guide rail two; 4. Connecting plate; 5. Clamping plate one; 6. Protective shell one; 7. Motor one; 8. Transmission sleeve; 9. Fixing plate one; 10. Rack; 11. Fixing plate two; 12. Connecting rod; 13. Cleaning plate; 14. Gear one; 15. Oil inlet; 16. Telescopic rod one; 17. Chamfering disc; 18. Rotating rod; 19. Synchronous belt; 20. Rotating shaft; 21. Gear two; 22. Fixing rod; 23. Gear three; 24. Telescopic rod two; 25. Grinding disc; 26. Threaded rod one; 27. Clamping plate two; 28. Protective shell two; 29. ​​Motor two; 30. Threaded rod two; 31. Moving plate; 32. Dial indicator; 33. Lubrication assembly; 34. Placement plate; 35. Oil tank; 36. Pressure pump; 37. Oil outlet. Detailed Implementation

[0040] The technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of the present invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of the present invention.

[0041] Example 1

[0042] like Figures 1-10As shown, this embodiment proposes a special chamfering device for the end face of a linear guide rail, including a base plate 1 and a lubrication assembly 33. A guide rail 1 2 and a guide rail 2 3 are respectively fixedly connected to the top of the base plate 1 by screws. Connecting plates 4 are fixedly connected to both sides of the guide rail 1 2 and the guide rail 2 3 by screws. A clamping plate 1 5 is fixedly connected to one side of one of the connecting plates 4 by screws. A protective shell 1 6 is fixedly connected to one side of the clamping plate 1 5 by screws. A motor 1 7 is mounted on one side of the protective shell 1 6. The output end of the motor 1 7 is connected to a coaxially arranged threaded rod 2 via a coupling. 6. Threaded rod 26 is rotatably installed inside protective shell 6. A transmission sleeve 8 is threaded onto the outside of threaded rod 26. A fixing plate 9 is fixedly connected to the top of transmission sleeve 8 by screws. A rack 10 is fixedly connected to one side of protective shell 6 by screws. A fixing plate 11 is fixedly connected to one side of fixing plate 9 by screws. A rotating rod 18 is rotatably installed inside fixing plate 9. A gear 14 is fixedly connected to the bottom of rotating rod 18 by screws. Gear 14 meshes with rack 10. A screw is fixedly connected to the bottom of gear 14. Telescopic rod 16, with a chamfered disc 17 fixedly connected to its bottom by screws; a rotating shaft 20 is rotatably mounted inside the fixing plate 21, and a gear 21 is fixedly sleeved on the outside of the rotating shaft 20; a synchronous belt 19 is mounted on the outside of the rotating rod 18 and the rotating shaft 20 via a synchronous pulley; a fixing rod 22 is rotatably mounted inside the fixing plate 21, and a gear 3 23 is fixedly sleeved on the outside of the fixing rod 22, meshing with gear 21; and a telescopic rod 24 is fixedly connected to the bottom of the fixing rod 22 by screws. The bottom is fixedly connected to a grinding disc 25 by screws. A connecting rod 12 is fixedly connected to one side of the fixing plate 11 by screws. A cleaning plate 13 is fixedly connected to one side of the connecting rod 12 by screws. With the setting of the threaded rod 26 and chamfering disc 17, when chamfering is required, the motor 7 is started to drive the transmission sleeve 8 and all the above components to move along the direction of the thread. At the same time, the chamfering disc 17 and the grinding disc 25 start to work to perform rough and fine machining. Then, the cleaning plate 13 removes the iron filings, achieving a highly efficient automated chamfering effect.

[0043] like Figure 4 As shown, the protective shell 6 has a rotating groove inside, and the threaded rod 26 is rotatably installed inside the rotating groove.

[0044] like Figure 4 As shown, the top of the protective shell 6 is provided with a movable groove 1, and the transmission sleeve 8 is slidably connected inside the movable groove 1. The movable groove 1 communicates with the rotating groove 1.

[0045] like Figure 5 As shown, a rotating groove 2 is provided inside the fixed plate 9, and the rotating rod 18 and the gear 14 are both rotatably installed inside the rotating groove 2.

[0046] like Figure 5 As shown, the interior of the fixed plate 21 has a rotating groove 3, and both gear 21 and gear 221 are rotatably installed inside the rotating groove 3. The rotating groove 3 is connected to the rotating groove 2.

[0047] In this embodiment, during use, the clamping plate 5 is bolted to the connecting plate 4 on each side requiring chamfering. After connection, the motor 7 is started, driving the threaded rod 26 to rotate. The transmission sleeve 8 outside the threaded rod 26 will drive all its components to move along the thread direction. The moving groove will limit the transmission sleeve 8 to prevent it from rotating. The transmission sleeve 8 can be reset by reversing the motor 7. The motor 7 is a servo motor. When the transmission sleeve 8 moves, it will drive the fixed plate and the internal rotating rod 18 to move together. The gear 14 at the bottom of the rotating rod 18 meshes with the rack 10 to rotate, thereby causing the chamfering disc to rotate. 17 achieves the effect of linear movement and rotational cutting. The rotation speed of chamfering disc 17 can be increased by increasing the number of teeth. During the chamfering process, rotating rod 18 drives rotating shaft 20 through synchronous belt 19. At this time, the meshing of gear 21 and gear 3 23 will realize the rotation of fixed rod 22. Fixed rod 22 drives grinding disc 25 to rotate, realizing the effect of grinding immediately after chamfering. Telescopic rod 16 and telescopic rod 24 are both remotely electrically controlled and can adjust the size of chamfering. After grinding, connecting rod 12 moves synchronously with transmission sleeve 8, so it can immediately clean the places with iron filings after grinding, avoiding damage to the guide rail.

[0048] Example 2

[0049] like Figures 1-10 As shown, based on the same concept as Embodiment 1 above, this embodiment also proposes another connecting plate 4 with a clamping plate 27 fixedly connected to one side by screws. The top of the clamping plate 27 is fixedly connected to a protective shell 28 by screws. A motor 29 is installed on one side of the protective shell 28. The output end of the motor 29 is connected to a coaxially arranged threaded rod 30 through a coupling. The threaded rod 30 is rotatably installed inside the protective shell 28. A movable plate 31 is threaded on the outside of the threaded rod 30. Two symmetrically arranged dial indicators 32 are installed inside the movable plate 31. Through the arrangement of the threaded rod 30 and dial indicators 32, after all chamfering is completed, the flatness of each guide rail needs to be checked. The motor 29 is started, and the dial indicator 32 is moved on the surface of one of the selected guide rails. The value is observed to determine whether it is parallel, thus improving the safety effect.

[0050] like Figure 9 As shown, the interior of the protective shell 28 has a straight groove, and the threaded rod 30 is rotatably installed inside the straight groove.

[0051] like Figure 9As shown, a movable groove 2 is provided on one side of the protective shell 28, and the movable plate 31 is slidably connected inside the movable groove 2. The movable groove 2 is connected to the straight groove.

[0052] In this embodiment, after the chamfering, grinding, and cleaning processes are completed, the clamping plate 27 is connected to the connecting plate 4 on one side of one of the guide rails that needs to be inspected. The motor 29 is started, and the motor 29 drives the threaded rod 30 to rotate. The movable plate 31 with the threaded sleeve on the outside of the threaded rod 30 moves along the direction of the thread. The movable plate 31 is restricted by the movable groove 2 and will not rotate on its own. Two dial indicators 32 are provided on the movable plate 31 to inspect the surface of the guide rail after chamfering, so as to ensure the flatness of the guide rail surface and reduce the safety hazards in subsequent use.

[0053] Example 3

[0054] like Figures 1-10 As shown, based on the same concept as Embodiment 1 above, this embodiment also proposes a lubrication assembly 33 including a placement plate 34. The placement plate 34 is fixedly connected to one side of the connecting rod 12 by screws. An oil tank 35 is fixedly connected to the top of the placement plate 34 by screws. A pressure pump 36 is installed on the top of the oil tank 35. An oil inlet 15 is fixedly connected to one side of the oil tank 35 by screws, and an oil outlet 37 is fixedly connected to the other side of the oil tank 35 by screws. Through the arrangement of the oil tank 35 and the pressure pump 36, while cleaning iron filings on any guide rail, the pressure pump 36 pressurizes the lubricant stored inside the oil tank 35, causing it to be squeezed out from inside the oil tank 35 and applied to the guide rail, thus achieving safety in use.

[0055] In this embodiment, while the cleaning work is being carried out, the lubrication component 33 then starts working. Before working, the inside of the oil tank 35 is filled with lubricant through the oil inlet 15 and then the oil inlet 15 is sealed. When working, the pressure pump 36 is started, and the inside of the oil tank 35 is pressurized so that the lubricant inside can be squeezed through the oil outlet 37 onto the surface of the guide rail after the chamfer, which has the effect of lubrication and maintenance, and adds another layer of protection to the safety of subsequent work.

[0056] A method for using a chamfering device for the end face of a linear guide rail, comprising the aforementioned chamfering device for the end face of a linear guide rail, characterized by the following steps: S1, connecting the protective shell 6 to one of the guide rails, starting the motor 7 to drive the chamfering disc 17 to move and rotate to cut the chamfer required on the guide rail; S2, while the chamfering disc 17 is working, the grinding disc 25 will work simultaneously to grind the flanges and burrs formed after the rough chamfering, ensuring that the guide rail can be used normally; S3, while the grinding disc 25 is working, it drives the connecting rod 12 to move synchronously, during the movement... S4. Wipe away any areas with iron filings that may affect normal use using the cleaning plate 13. S5. Connect the protective shell 1 6 to each area that needs chamfering, and repeat the above steps for chamfering, grinding, and cleaning. S6. After all chamfering is completed, connect the protective shell 2 28 to the connecting plate 4 and start the motor 2 29 to check the flatness of the chamfered guide rail to avoid affecting normal use. S7. After the check is completed and there are no problems, lubricate the chamfered guide rail using the lubrication component 33 to ensure smooth use of the guide rail and prevent rusting.

[0057] The above description is merely an embodiment of the present invention and does not limit the patent scope of the present invention. Any equivalent structural or procedural transformations made based on the content of the present invention specification and drawings, or direct or indirect applications in other related technical fields, are similarly included within the patent protection scope of the present invention.

Claims

1. A chamfering device for the end face of a linear guide rail, characterized in that, The system includes a base plate (1) and a lubrication assembly (33). The top of the base plate (1) is fixedly connected to a guide rail (2) and a guide rail (3) by screws. Both sides of the guide rail (2) and the guide rail (3) are fixedly connected to connecting plates (4) by screws. One side of one of the connecting plates (4) is fixedly connected to a clamping plate (5) by screws. One side of the clamping plate (5) is fixedly connected to a protective shell (6) by screws. A motor (7) is mounted on one side of the protective shell (6). The output end of the motor (7) is connected to a coaxially arranged threaded rod (26) via a coupling. The threaded rod (26) is rotatably mounted inside the protective shell (6). The outer thread of the protective shell (6) is fitted with a transmission sleeve (8). The top of the transmission sleeve (8) is fixedly connected to a fixing plate (9) by screws. A rack (10) is fixedly connected to one side of the protective shell (6) by screws. A fixing plate (11) is fixedly connected to one side of the fixing plate (9) by screws. A rotating rod (18) is rotatably installed inside the fixing plate (9). A gear (14) is fixedly connected to the bottom of the rotating rod (18) by screws. The gear (14) meshes with the rack (10). A telescopic rod (16) is fixedly connected to the bottom of the gear (14) by screws. A chamfered disc (17) is fixedly connected to the bottom of the telescopic rod (16) by screws. A rotating shaft (20) is rotatably mounted inside the second plate (11). A gear (21) is fixedly sleeved on the outside of the rotating shaft (20). A synchronous belt (19) is sleeved on the outside of the rotating rod (18) and the rotating shaft (20) through a synchronous pulley. A fixing rod (22) is rotatably mounted inside the second plate (11). A gear (23) is fixedly sleeved on the outside of the fixing rod (22). The gear (23) meshes with the gear (21). A telescopic rod (24) is fixedly connected to the bottom of the fixing rod (22) by screws. A grinding disc (25) is fixedly connected to the bottom of the telescopic rod (24) by screws. A connecting rod (25) is fixedly connected to one side of the second plate (11) by screws. A connecting rod (12) is connected to a cleaning plate (13) by screws on one side; another connecting plate (4) is connected to a clamping plate (27) by screws on one side; a protective shell (28) is connected to the top of the clamping plate (27) by screws; a motor (29) is installed on one side of the protective shell (28); the output end of the motor (29) is connected to a threaded rod (30) coaxially arranged by a coupling; the threaded rod (30) is rotatably installed inside the protective shell (28); a movable plate (31) is threaded on the outside of the threaded rod (30); and two dial indicators (32) are symmetrically arranged inside the movable plate (31).The lubrication assembly (33) includes a placement plate (34), which is fixedly connected to one side of the connecting rod (12) by screws. An oil tank (35) is fixedly connected to the top of the placement plate (34) by screws. A pressure pump (36) is installed on the top of the oil tank (35). An oil inlet (15) is fixedly connected to one side of the oil tank (35) by screws, and an oil outlet (37) is fixedly connected to the other side of the oil tank (35) by screws.

2. The chamfering device for the end face of a linear guide rail according to claim 1, characterized in that, The protective shell (6) has a rotating groove inside, and the threaded rod (26) is rotatably installed inside the rotating groove.

3. A chamfering device for the end face of a linear guide rail according to claim 2, characterized in that, The top of the protective shell (6) is provided with a movable groove, and the transmission sleeve (8) is slidably connected inside the movable groove. The movable groove communicates with the rotating groove.

4. A chamfering device for the end face of a linear guide rail according to claim 1, characterized in that, The fixed plate (9) has a rotating groove (2) inside, and the rotating rod (18) and the gear (14) are rotatably installed inside the rotating groove (2).

5. A chamfering device for the end face of a linear guide rail according to claim 4, characterized in that, The fixed plate 2 (11) has a rotating groove 3 inside. The gear 2 (21) and the gear 2 (21) are rotatably installed inside the rotating groove 3. The rotating groove 3 is connected to the rotating groove 2.

6. A chamfering device for the end face of a linear guide rail according to claim 1, characterized in that, The protective shell 2 (28) has a straight groove inside, and the threaded rod 2 (30) is rotatably installed inside the straight groove.

7. A chamfering device for the end face of a linear guide rail according to claim 6, characterized in that, The protective shell 2 (28) has a movable groove 2 on one side, and the movable plate (31) is slidably connected inside the movable groove 2. The movable groove 2 is connected to the straight groove.

8. A method of using a chamfering device for the end face of a linear guide rail, comprising the chamfering device for the end face of a linear guide rail as described in claim 7, characterized in that... The steps include: S1. Connect the protective shell (6) to one of the guide rails, start the motor (7) to drive the chamfering disc (17) to move and rotate to cut the chamfer required for the guide rail; S2. While the chamfering disc (17) is working, the grinding disc (25) will work simultaneously to grind the flanges and burrs formed after the rough chamfering, ensuring that the guide rail can be used normally; S3. While the grinding disc (25) is working, it drives the connecting rod (12) to move synchronously. During the movement, the cleaning plate (13) will remove iron filings that may affect normal use. Wipe all areas clean; S4. Connect the protective shell one (6) to each area that needs chamfering, and repeat the above steps to chamfer, grind and clean; S5. After all chamfering is completed, connect the protective shell two (28) to the connecting plate (4) and start the motor two (29) to check the flatness of the chamfered guide rail to avoid affecting normal use; S6. After the check is completed and there are no problems, the chamfered guide rail needs to be lubricated by the lubrication component (33) to ensure that the guide rail is used smoothly and will not rust.

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