Metal surface polishing device and method

Abstract

The invention relates to the technical field of metal polishing, and particularly discloses a metal surface polishing device which comprises a base and further comprises a polishing mechanism. The polishing mechanism comprises a polishing assembly and a processing assembly. The polishing assembly comprises a side base, a side shaft, a polishing block and a driving part used for driving the side shaft to rotate. The side seat is fixedly connected with the base; the side shaft is rotationally connected with the side seat; the polishing block is fixedly connected with the side shaft; the processing assembly comprises a bottom block, a dust suction box, a side pipe, a plurality of bottom holes formed in the side pipe at equal intervals in the length direction of the side pipe, a bottom groove formed in the base and a moving part used for driving the bottom block to do reciprocating motion in the length direction of the bottom groove. The bottom block is slidably connected with the bottom groove; the dust collection box is fixedly connected with the bottom block; and the side pipe is communicated with the dust collection box. The problem that an existing polishing device cannot collect chippings accumulated on a base is solved.

Description

Technical Field

[0001] The present invention relates to the technical field of metal polishing, and in particular to a metal surface polishing device and method. Background Art

[0002] Polishing is a process that uses mechanical, chemical, or electrochemical processes to reduce the surface roughness of metals to achieve a bright, smooth surface. Currently, metal polishing is performed by securing the metal with a fixture and then polishing the surface with a polishing tool to achieve a smooth finish. However, the clamping effect of the metal held by the fixture is unstable and prone to slippage.

[0003] To solve the above problems, Chinese patent publication number CN215470367U discloses a metal surface polishing device, including a base, a support frame and a clamping mechanism on the surface of the base, the support frame is connected to the polishing mechanism, the polishing mechanism is connected to a telescopic assembly, and the polishing mechanism and the telescopic assembly are both connected to a driving mechanism; the clamping mechanism is used to clamp and fix metal accessories; the polishing mechanism is used to polish the surface of the metal accessories; the telescopic assembly is used to drive the polishing mechanism to reciprocate; the driving mechanism is used to provide power for the polishing mechanism and the telescopic assembly; this device clamps and fixes the metal accessories through the clamping mechanism, effectively preventing the metal accessories from being offset during the polishing process, and then, with the cooperation of the polishing mechanism and the driving mechanism, the polishing area of ​​the metal accessory surface is expanded, thereby improving the polishing efficiency.

[0004] The above-mentioned device has the following problems during actual use: the device easily generates a large amount of debris when polishing metal accessories, which causes a large amount of debris to accumulate on the surface of the base, easily causing environmental pollution and corrosion of the table surface. Once the debris enters the polishing mechanism and the clamping mechanism, it will also affect the accuracy of the machine, thereby causing inconvenience to the polishing of metal materials. Summary of the Invention

[0005] The invention provides a metal surface polishing device to solve the problem that the existing polishing device cannot collect debris accumulated on a base.

[0006] In order to achieve the above-mentioned purpose, the present invention adopts the following technical scheme: a metal surface polishing device, including a base and a polishing mechanism; the polishing mechanism includes a polishing assembly and a processing assembly; the polishing assembly includes a side seat, a side shaft, a polishing block, and a driving part for driving the side shaft to rotate; the side seat is fixedly connected to the base; the side shaft is rotatably connected to the side seat; the polishing block is fixedly connected to the side shaft; the processing assembly includes a bottom block, a dust collection box, a side pipe, a plurality of bottom holes equidistantly opened on the side pipe along the length direction of the side pipe, a bottom groove opened on the base, and a moving part for driving the bottom block to reciprocate along the length direction of the bottom groove; the bottom block is slidably connected to the bottom groove; the dust collection box is fixedly connected to the bottom block; and the side pipe is connected to the dust collection box.

[0007] The principles and advantages of this solution are: 1. The side shaft drives the polishing block to rotate, which can reduce the roughness of the metal surface and improve the gloss of the metal surface. Therefore, the automatic polishing of the metal surface by the machine enhances the polishing effect of the metal surface and improves the polishing efficiency of the metal surface.

[0008] 2. During polishing, debris falls onto the base, which is then driven by the dust box to reciprocate along the length of the base. This allows any debris accumulated anywhere on the base to flow through the bottom hole into the side tubes and ultimately be collected in the dust box. This movement reduces contamination of the base by debris and minimizes interference with the machine, ensuring efficient operation of the device during polishing.

[0009] Furthermore, the processing assembly also includes a ventilation part; the ventilation part includes a box with a bottom opening and a plurality of ventilation units equidistantly arranged along the length direction of the box; the box is fixedly connected to the side tube; the ventilation unit includes a slider, a pass block, and a power unit for driving the slider to perform vertical reciprocating motion; the slider is slidably connected to the side tube; the pass block is located in the side tube, and the bottom hole is located on the movement trajectory of the pass block, and the pass block can slide in and out of the bottom hole.

[0010] The vertical reciprocating motion of the pass block allows it to reciprocate vertically within the bottom hole, thereby clearing debris clogged in the bottom hole, thereby preventing debris from accumulating in the bottom hole and reducing the amount of debris accumulated in the bottom hole. This motion enhances the bottom hole's ability to collect debris, improves its collection efficiency, and ensures that debris can efficiently flow through the bottom hole into the dust box.

[0011] Furthermore, it also includes an air outlet portion arranged between two adjacent bottom holes; the air outlet portion includes a piston cylinder, a piston block, an inlet pipe, an outlet pipe, a chamber opened on the bottom of the side tube, through holes symmetrically opened on both sides of the chamber along the length direction of the chamber, and a driving unit for driving the piston block to perform vertical reciprocating motion; the piston cylinder is fixedly connected to the top of the side tube; the piston block is slidingly connected to the piston cylinder; the inlet pipe is connected to the piston cylinder; the two ends of the outlet pipe are respectively connected to the piston cylinder and the chamber; the two ends of the through hole are respectively connected to the chamber and the bottom hole.

[0012] The piston block and piston cylinder work together to continuously discharge compressed air through the outlet pipe, chamber, and through-hole. During this period, the compressed air can provide a variety of cleaning options within the bottom hole. Debris adhering to the bottom hole is loosened by the compressed air, thereby reducing the force holding it in place. This allows the through-hole block to more fully and completely clean the bottom hole. The combined action of the through-hole block and compressed air ensures both the effectiveness and quality of bottom hole cleaning.

[0013] Furthermore, it also includes a boosting part; the boosting part includes a bottom shaft, a plurality of blades equidistantly arranged along the axial direction of the bottom shaft, and a motion unit for driving the bottom shaft to rotate; the bottom shaft is rotatably connected to a plurality of outlet pipes respectively; the blades are located in the outlet pipes, and the blades are fixed to the bottom shaft.

[0014] The rotation of the blades increases the velocity of the compressed air in the outlet pipe, thereby increasing the force of the compressed air as it is discharged, allowing the compressed air to more fully and completely remove debris adhering to the bottom hole. This movement further enhances the effect of the compressed air and improves its efficiency.

[0015] Furthermore, it also includes auxiliary units symmetrically arranged on both sides of the outlet pipe along the length direction of the outlet pipe; the auxiliary unit includes an auxiliary block, an auxiliary hole opened on the side pipe, and a moving part for driving the auxiliary block to perform vertical reciprocating motion; the auxiliary hole is connected to the through hole; the auxiliary block is slidably connected to the auxiliary hole, and the auxiliary block can perform vertical reciprocating motion in the through hole.

[0016] As compressed air flows through the through-hole, the auxiliary block adjusts the diameter of the hole through which the compressed air flows, thereby varying the effective distance of the compressed air discharge. This allows the compressed air to more comprehensively and thoroughly clean debris adhering to the bottom hole, moving from near to far and vice versa. This movement comprehensively enhances the effectiveness of the compressed air, ensuring that all debris adhering to the bottom hole is completely removed by the compressed air, further improving the cleaning quality of the bottom hole.

[0017] Furthermore, it also includes a plurality of ventilation blades equidistantly arranged along the length direction of the bottom shaft; the ventilation blades are fixedly connected to the bottom shaft.

[0018] The rotation of the ventilation blades can speed up the flow of air in the side duct, thereby allowing the air to more efficiently carry debris into the dust box. In other words, this movement further enhances the dust box's ability to collect debris and improves its efficiency in collecting debris.

[0019] Furthermore, it also includes a linkage unit; the linkage unit includes a linkage shaft and a linkage part for driving the linkage shaft to rotate; the linkage part is rotatably connected to the box body; the power unit includes a first cam, a power block, and a first spring; the first cam is fixedly connected to the linkage shaft; the power block is fixedly connected to the slider, and the power block is against the first cam; the two ends of the first spring are respectively connected to the power block and the top of the side tube.

[0020] During the rotation of the linkage shaft, the first cam rotates synchronously. During the rotation of the first cam, when the raised portion of the first cam contacts the power block, the power block moves vertically downward, compressing the first spring. When the raised portion of the first cam no longer contacts the power block, the power block returns to its original position under the action of the first spring, causing the power block to move vertically upward. Thus, the power block is capable of vertical reciprocating motion. During the movement of the power block, the slider moves synchronously.

[0021] Furthermore, the driving unit is a driving block; two ends of the driving block are respectively connected to the power block and the piston block.

[0022] During the vertical reciprocating motion of the power block, the power block drives the piston block to move synchronously through the driving block.

[0023] Furthermore, the motion unit includes a belt and a motion hole opened on the side tube; the belt passes through the motion hole, and both ends of the belt are respectively sleeved on the linkage shaft and the bottom shaft.

[0024] During the rotation of the linkage shaft, the linkage shaft drives the bottom shaft to rotate synchronously through the belt.

[0025] To achieve the above object, the present invention adopts the following technical solution: a metal surface polishing method, comprising the following steps: Step (1): Fix and move the metal using a robotic arm; Step (2): As the metal moves, the polishing block polishes the surface of the metal; Step (3): The side tube is moved back and forth along the length direction of the base, so that the side tube collects the debris accumulated on the base; Step (4): Use the vertical reciprocating motion of the through block to perform preliminary rough cleaning of the bottom hole; Step (5): Use the compressed air generated by the piston cylinder and the through block to perform deep fine treatment on the bottom hole.

[0026] The principles and advantages of this solution are: Under the fixation of the robotic arm, the metal can be automatically polished by the polishing block.

[0027] The side pipes are used to make reciprocating motion along the length direction of the base, thereby expanding the effective range of the side pipes, enhancing the dust collection effect of the side pipes, and improving the dust collection efficiency of the side pipes.

[0028] Through the joint action of the through block and the piston cylinder, the bottom hole can be preliminarily processed and deeply processed, thereby reducing the amount of debris adhering to the bottom hole, ensuring that the debris can flow through the bottom hole efficiently, thereby enhancing the debris collection effect. BRIEF DESCRIPTION OF THE DRAWINGS

[0029] Figure 1 This is a structural schematic diagram of an embodiment of a metal surface polishing device of the present invention.

[0030] Figure 2 for Figure 1 Enlarged view of point A in the middle.

[0031] Figure 3 for Figure 1 Schematic diagram of the structure inside the middle box and side pipes.

[0032] Figure 4 for Figure 3 Enlarged view of point B in the middle.

[0033] Figure 5 for Figure 3 Enlarged view of point C in the middle.

[0034] Figure 6 for Figure 3 Schematic diagram of the structure inside the middle outlet tube and bottom cavity.

[0035] Figure 7 for Figure 6 Enlarged view of point D in the middle.

[0036] Figure 8 for Figure 6 Enlarged view of point E in the middle. DETAILED DESCRIPTION

[0037] The following is further described in detail through specific implementation methods: The figure marks in the drawings of the specification include: base 1, side seat 2, side shaft 3, polishing block 4, bottom block 5, dust collection box 6, side pipe 7, bottom hole 8, first motor box 9, screw 10, guide rod 11, nut seat 12, second motor box 13, box body 14, slider 15, through block 16, piston cylinder 17, piston block 18, outlet pipe 19, bottom shaft 20, blade 21, auxiliary block 22, ventilation blade 23, linkage shaft 24, first cam 25, power block 26, first spring 27, third motor 28, drive block 29, belt 30, second cam 31, movable block 32, second spring 33, bottom groove 34, chamber 35, through hole 36.

[0038] The embodiment is basically as shown in the attached Figure 1 、 2 , 3, 4, 5, 6, 7, 8 as shown: An embodiment of the present invention provides a metal surface polishing device, including a base 1 and a polishing mechanism; the polishing mechanism includes a polishing assembly and a processing assembly; the polishing assembly includes a side seat 2, a side shaft 3, a polishing block 4, and a driving part for driving the side shaft 3 to rotate; the side seat 2 is fixedly connected to the base 1; the side shaft 3 is rotatably connected to the side seat 2; the polishing block 4 is fixedly connected to the side shaft 3; the processing assembly includes a bottom block 5, a dust collection box 6, a side pipe 7, a plurality of bottom holes 8 equidistantly opened on the bottom of the side pipe 7 along the length direction of the side pipe 7, a bottom groove 34 opened on the base 1, and a moving part for driving the bottom block 5 to reciprocate along the length direction of the bottom groove 34; the bottom block 5 is slidably connected to the bottom groove 34; the dust collection box 6 is fixedly connected to the bottom block 5, and a dust collector is provided in the dust collection box 6; the side pipe 7 is connected to the dust collection box 6.

[0039] The driving part includes a first motor box 9 and a first motor; the first motor box 9 is fixedly connected to the side seat 2; the first motor box 9 is fixedly connected to the inner wall of the first motor box 9, and the output shaft of the first motor is fixedly connected to the side shaft 3.

[0040] The moving part includes a screw 10, a guide rod 11, a nut seat 12, a second motor box 13, a second motor, and a bottom cavity opened on the base 1; the bottom cavity is connected to the bottom groove 34; the screw 10 is rotatably connected to the bottom cavity; the guide rod 11 is fixed to the bottom cavity; the nut seat 12 is threadedly connected to the screw 10, and the nut seat 12 is slidingly connected to the guide rod 11; the bottom block 5 is fixed to the nut seat 12; the second motor box 13 is fixed to the outer wall of the base 1; the second motor is fixed to the inner wall of the second motor box 13, and the output shaft of the second motor is fixed to the screw 10.

[0041] The processing assembly also includes a ventilation part; the ventilation part includes a box body 14 with a bottom opening, and a plurality of ventilation units equidistantly arranged along the length direction of the box body 14; the box body 14 is fixedly connected to the side tube 7; the ventilation unit includes a slider 15, a pass block 16, and a power unit for driving the slider 15 to perform vertical reciprocating motion; the slider 15 is slidably connected to the side tube 7; the pass block 16 is located in the side tube 7, and the bottom hole 8 is located on the movement trajectory of the pass block 16, and the pass block 16 can slide in and out of the bottom hole 8.

[0042] It also includes an air outlet portion arranged between two adjacent bottom holes 8; the air outlet portion includes a piston cylinder 17, a piston block 18, an inlet pipe, an outlet pipe 19, a chamber 35 opened on the bottom of the side tube 7, through holes 36 symmetrically opened on both sides of the chamber 35 along the length direction of the chamber 35, and a driving unit for driving the piston block 18 to perform vertical reciprocating motion; the piston cylinder 17 is fixedly connected to the top outer wall of the side tube 7; the piston block 18 is slidingly connected to the piston cylinder 17; the inlet pipe is communicated with the piston cylinder 17; the two ends of the outlet pipe 19 are respectively communicated with the piston cylinder 17 and the chamber 35; a first one-way valve for one-way gas flow from the inlet pipe to the piston cylinder 17 is provided on the inlet pipe; a second one-way valve for one-way gas flow from the piston cylinder 17 to the outlet pipe 19 is provided on the outlet pipe 19; the two ends of the through hole 36 are respectively communicated with the chamber 35 and the bottom hole 8.

[0043] It also includes a boosting part; the boosting part includes a bottom shaft 20, a plurality of blades 21 equidistantly arranged along the axial direction of the bottom shaft 20, and a motion unit for driving the bottom shaft 20 to rotate; the bottom shaft 20 is rotatably connected to a plurality of outlet pipes 19 respectively; the blades 21 are located in the outlet pipes 19, and the blades 21 are fixedly connected to the bottom shaft 20.

[0044] It also includes auxiliary units symmetrically arranged on both sides of the outlet pipe 19 along the length direction of the outlet pipe 19; the auxiliary unit includes an auxiliary block 22, an auxiliary hole opened on the bottom of the side pipe 7, and a moving part for driving the auxiliary block 22 to perform vertical reciprocating motion; the auxiliary hole is connected to the through hole 36; the auxiliary block 22 is slidably connected to the auxiliary hole, and the auxiliary block 22 can perform vertical reciprocating motion in the through hole 36.

[0045] The bottom shaft 20 further includes a plurality of ventilation blades 23 equidistantly arranged along the length direction of the bottom shaft 20 ; the ventilation blades 23 are fixedly connected to the bottom shaft 20 .

[0046] It also includes a linkage unit; the linkage unit includes a linkage shaft 24 and a linkage member for driving the linkage shaft 24 to rotate; the linkage member is rotatably connected to the box body 14; the power unit includes a first cam 25, a power block 26, and a first spring 27; the first cam 25 is fixedly connected to the linkage shaft 24; the power block 26 is fixedly connected to the slider 15, and the power block 26 is against the first cam 25; the two ends of the first spring 27 are respectively connected to the power block 26 and the top of the side tube 7.

[0047] The linkage member is a third motor 28 ; the third motor 28 is fixedly connected to the housing 14 , and the output shaft of the third motor 28 is fixedly connected to the linkage shaft 24 .

[0048] The driving unit is a driving block 29 ; both ends of the driving block 29 are connected to the power block 26 and the piston block 18 respectively.

[0049] The motion unit includes a belt 30 and a motion hole opened on the side tube 7; the belt 30 passes through the motion hole, and the two ends of the belt 30 are respectively sleeved on the linkage shaft 24 and the bottom shaft 20.

[0050] The moving parts include a second cam 31, a movable block 32, and a second spring 33; the second cam 31 is fixedly connected to the bottom shaft 20; the movable block 32 is fixedly connected to the auxiliary block 22, and the movable block 32 is fixedly connected to the auxiliary block 22; the two ends of the second spring 33 are respectively connected to the movable block 32 and the bottom of the side tube 7.

[0051] Specific implementation process: The mechanical arm moves the metal. During this movement, the first motor is activated, driving the side shaft 3 to rotate. During the rotation of the side shaft 3, the polishing block 4 rotates synchronously, thereby reducing the roughness of the metal surface and improving its gloss. This automated mechanical polishing of the metal surface enhances the polishing effect and improves the polishing efficiency.

[0052] While polishing block 4 is polishing the metal, the second motor is activated, and its output shaft drives screw 10 to rotate. As screw 10 rotates, it drives nut holder 12 to reciprocate along the length of guide rod 11. As nut holder 12 moves, it drives dust collection box 6, via base block 5, to reciprocate along the length of base 1.

[0053] During the movement of the dust box 6, the vacuum cleaner is started, and under the action of the vacuum cleaner, the debris accumulated at any position on the base 1 is sucked by the dust box 6 along the bottom hole 8 into the side pipe 7 and finally collected in the dust box 6. Therefore, through the above movement, the contamination of the base 1 by the debris is reduced, and the interference of the debris on the machine is reduced, that is, the device is guaranteed to be in an efficient working state during the polishing process.

[0054] While the bottom hole 8 is collecting debris on the base 1, the third motor 28 is started, and the output shaft of the third motor 28 drives the linkage shaft 24 to rotate. During the rotation of the linkage shaft 24, the first cam 25 rotates synchronously. During the rotation of the first cam 25, when the raised portion of the first cam 25 abuts against the power block 26, the power block 26 moves vertically downward, and the first spring 27 is compressed; when the raised portion of the first cam 25 no longer abuts against the power block 26, the power block 26 is reset under the action of the first spring 27, and the power block 26 moves vertically upward. Therefore, the power block 26 can perform vertical reciprocating motion. During the movement of the power block 26, the slider 15 moves synchronously. During the vertical reciprocating motion of the slider 15, the pass block 16 moves synchronously.

[0055] The vertical reciprocating motion of the pass block 16 allows the pass block 16 to perform vertical reciprocating motion within the bottom hole 8, thereby clearing debris clogged within the bottom hole 8, thereby preventing the debris from accumulating within the bottom hole 8 and reducing the amount of debris accumulated within the bottom hole 8. This motion enhances the effect of the bottom hole 8 on collecting debris, improves the efficiency of the bottom hole 8 in collecting debris, and ensures that the debris can efficiently flow through the bottom hole 8 into the dust box 6.

[0056] During the movement of power block 26, it drives piston block 18 in vertical reciprocating motion via drive block 29. Therefore, through the interaction between piston block 18 and piston cylinder 17, compressed air is continuously discharged through outlet pipe 19, chamber 35, and through-hole 36. During this period of compressed air discharge, the cleaning options within bottom hole 8 are enhanced. Debris adhering to bottom hole 8 is loosened by the compressed air, thereby reducing the force of debris adhering to bottom hole 8 and enabling through-hole block 16 to more fully and completely clean bottom hole 8. In other words, the combined action of through-hole block 16 and compressed air ensures the effectiveness and quality of cleaning of bottom hole 8.

[0057] During the rotation of linkage shaft 24, linkage shaft 24 drives bottom shaft 20 to rotate synchronously via belt 30. During the rotation of the base, blades 21 rotate synchronously. The rotation of blades 21 increases the flow rate of compressed air within outlet pipe 19, thereby enhancing the force of the compressed air during discharge, allowing the compressed air to more fully and completely remove debris adhering to bottom hole 8. This movement further enhances the effectiveness of the compressed air and improves its efficiency.

[0058] As the bottom shaft 20 rotates, the second cam 31 rotates synchronously. During this rotation, when the raised portion of the second cam 31 abuts against the movable block 32, the movable block 32 drives the auxiliary block 22 in a vertical downward motion. The second spring 33 is compressed. When the raised portion of the second cam 31 no longer abuts against the movable block 32, the movable block 32 returns to its original position under the action of the second spring 33, driving the auxiliary block 22 in a vertical upward motion. This allows the movable block 32 to perform vertical reciprocating motion.

[0059] As the compressed air flows through the through-hole 36, the auxiliary block 22 adjusts the diameter of the compressed air flowing through the through-hole 36, thereby varying the effective distance of the compressed air discharge. This allows the compressed air to more comprehensively and thoroughly clean debris adhering to the bottom hole 8, moving from near to far and vice versa. This movement comprehensively enhances the effectiveness of the compressed air, ensuring that debris adhering to the bottom hole 8 is completely removed by the compressed air, thereby further improving the cleaning quality of the bottom hole 8.

[0060] As the bottom shaft 20 rotates, the ventilating blades 23 rotate synchronously. The rotation of the ventilating blades 23 accelerates the flow of air through the side duct 7, allowing the air to more efficiently carry debris into the dust box 6. This movement further enhances the dust box 6's ability to collect debris, improving its collection efficiency.

[0061] In summary, the reciprocating motion of the side tube 7 expands the debris collection range of the side tube 7, ensuring that debris at any location on the base 1 is completely collected. Furthermore, the combined action of the passage block 16 and the compressed air ensures that the bottom hole 8 is always in an efficient working state, allowing debris to flow freely within the bottom hole 8 and the side tube 7, further improving the efficiency and quality of debris collection.

[0062] The above description is merely a preferred embodiment of the present invention and does not constitute any form of limitation to the present invention. Although the present invention has been disclosed as above in terms of a preferred embodiment, it is not intended to limit the present invention. Any person skilled in the art can, without departing from the scope of the technical solution of the present invention, make some changes or modifications to equivalent embodiments using the technical contents disclosed above. However, any brief modifications, equivalent changes and modifications made to the above embodiments based on the technical essence of the present invention without departing from the content of the technical solution of the present invention are still within the scope of the technical solution of the present invention.

Claims

1. A metal surface polishing device, comprising a base, characterized in that: It also includes a polishing mechanism; the polishing mechanism includes a polishing assembly and a processing assembly; the polishing assembly includes a side seat, a side shaft, a polishing block, and a driving part for driving the side shaft to rotate; the side seat is fixedly connected to the base; the side shaft is rotatably connected to the side seat; the polishing block is fixedly connected to the side shaft; the processing assembly includes a bottom block, a dust collection box, a side pipe, a plurality of bottom holes equidistantly opened on the side pipe along the length direction of the side pipe, a bottom groove opened on the base, and a moving part for driving the bottom block to reciprocate along the length direction of the bottom groove; the bottom block is slidably connected to the bottom groove; the dust collection box is fixedly connected to the bottom block; and the side pipe is connected to the dust collection box.

2. A metal surface polishing device according to claim 1, characterized in that: The processing assembly also includes a ventilation part; the ventilation part includes a box with an opening at the bottom and a plurality of ventilation units arranged at equal distances along the length direction of the box; the box is fixedly connected to the side tube; the ventilation unit includes a slider, a pass block, and a power unit for driving the slider to perform vertical reciprocating motion; the slider is slidably connected to the side tube; the pass block is located in the side tube, and the bottom hole is located on the movement trajectory of the pass block, and the pass block can slide in and out of the bottom hole.

3. A metal surface polishing device according to claim 2, characterized in that: It also includes an air outlet portion arranged between two adjacent bottom holes; the air outlet portion includes a piston cylinder, a piston block, an inlet pipe, an outlet pipe, a chamber opened on the bottom of the side tube, through holes symmetrically opened on both sides of the chamber along the length direction of the chamber, and a driving unit for driving the piston block to perform vertical reciprocating motion; the piston cylinder is fixedly connected to the top of the side tube; the piston block is slidably connected to the piston cylinder; the inlet pipe is connected to the piston cylinder; the two ends of the outlet pipe are respectively connected to the piston cylinder and the chamber; the two ends of the through hole are respectively connected to the chamber and the bottom hole.

4. A metal surface polishing device according to claim 3, characterized in that: It also includes a boosting part; the boosting part includes a bottom shaft, a plurality of blades equidistantly arranged along the axial direction of the bottom shaft, and a motion unit for driving the bottom shaft to rotate; the bottom shaft is rotatably connected to a plurality of outlet pipes respectively; the blades are located in the outlet pipes, and the blades are fixed to the bottom shaft.

5. A metal surface polishing device according to claim 4, characterized in that: It also includes auxiliary units symmetrically arranged on both sides of the outlet pipe along the length direction of the outlet pipe; the auxiliary unit includes an auxiliary block, an auxiliary hole opened on the side pipe, and a moving part for driving the auxiliary block to perform vertical reciprocating motion; the auxiliary hole is connected to the through hole; the auxiliary block is slidably connected to the auxiliary hole, and the auxiliary block can perform vertical reciprocating motion in the through hole.

6. A metal surface polishing device according to claim 5, characterized in that: It also includes a plurality of ventilation leaves that are equidistantly arranged along the length direction of the bottom shaft; the ventilation leaves are fixedly connected to the bottom shaft.

7. A metal surface polishing device according to claim 6, characterized in that: It also includes a linkage unit; the linkage unit includes a linkage shaft and a linkage part for driving the linkage shaft to rotate; the linkage part is rotatably connected to the box body; the power unit includes a first cam, a power block, and a first spring; the first cam is fixedly connected to the linkage shaft; the power block is fixedly connected to the slider, and the power block is against the first cam; the two ends of the first spring are respectively connected to the power block and the top of the side tube.

8. The metal surface polishing device according to claim 7, characterized in that: The driving unit is a driving block; two ends of the driving block are respectively connected to the power block and the piston block.

9. The metal surface polishing device according to claim 8, characterized in that: The motion unit comprises a belt and a motion hole opened on the side tube; the belt passes through the motion hole, and two ends of the belt are respectively sleeved on the linkage shaft and the bottom shaft.

10. A metal surface polishing method according to claim 9, characterized in that: The following steps are involved: Step (1): Fix and move the metal using a robotic arm; Step (2): As the metal moves, the polishing block polishes the surface of the metal; Step (3): The side tube is moved back and forth along the length direction of the base, so that the side tube collects the debris accumulated on the base; Step (4): Use the vertical reciprocating motion of the through block to perform preliminary rough cleaning of the bottom hole; Step (5): Use the compressed air generated by the piston cylinder and the through block to perform deep fine treatment on the bottom hole.

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