Metal surface treatment grinding machine with dustproof structure

Abstract

The invention discloses a metal surface treatment grinding machine with a dustproof structure, and relates to the technical field of metal surface treatment, a dust collection barrel is rotationally connected to a connecting shaft through a bearing, and the dust collection barrel is connected with the end of a mechanical arm through a connecting frame; one end of the connecting cylinder penetrates through the left side of the dust collection cylinder; the left side and the right side of the dust guiding pipe are connected with connecting rings in a screwed mode through bearings respectively, the two connecting rings are connected with the other end of the connecting cylinder and the pipeline through bolts respectively, and a plurality of blades are fixedly arranged on the inner wall of the dust guiding pipe. The rotating assembly is arranged on the dust guide pipe, and the rotating assembly is connected with the connecting shaft; the grinding disc is arranged at the end of the connecting shaft through an adjusting assembly. Through rotation of the dust guide pipe and the blades, negative pressure is generated in the dust suction barrel, the dust suction barrel can conveniently suck dust generated when the grinding disc works, and then the dust suction barrel is close to the grinding disc, so that the dust removal efficiency is improved.

Description

Technical Field

[0001] The invention relates to the technical field of metal surface treatment, and in particular to a metal surface treatment grinder with a dustproof structure. Background Art

[0002] Existing metal surface treatment usually uses a robotic arm in combination with a grinding disc, using the flexibility of the robotic arm to process the metal surface. There is no dust-proof structure on the robotic arm, and dust removal needs to be carried out through an external dust suction device. Since the dust suction device is far away from the grinding disc, dust is easy to spread, resulting in low dust removal efficiency. Therefore, a metal surface treatment grinder with a dust-proof structure is urgently needed to solve the above problems. Summary of the invention

[0003] The purpose of the present invention is to provide a metal surface treatment grinder with a dustproof structure that is simple in structure, reasonable in design and easy to use in view of the defects and shortcomings of the prior art, which can solve the above problems.

[0004] To achieve the above object, the present invention adopts the following technical solution: it comprises an operating table and a mechanical arm; the mechanical arm is fixedly arranged on the left side of the operating table, and a connecting shaft is screwed on the end of the mechanical arm;

[0005] It also contains:

[0006] A dust collection cylinder, wherein the dust collection cylinder is a hollow cylindrical structure with an opening at the bottom, the dust collection cylinder is screwed onto the connecting shaft by a bearing, and the dust collection cylinder is connected to the end of the mechanical arm by a connecting frame;

[0007] A connecting cylinder, wherein the connecting cylinder is a hollow cylindrical structure with openings at both ends, and one end of the connecting cylinder is arranged on the left side of the dust collecting cylinder;

[0008] The dust collecting pipe is a hollow cylindrical structure with openings at both ends. The left and right sides of the dust collecting pipe are respectively connected with connecting rings by means of bearings. The two connecting rings are respectively connected with the other end of the connecting tube and the pipeline by means of bolts. A plurality of blades are fixed on the inner wall of the dust collecting pipe.

[0009] A rotating assembly, wherein the rotating assembly is arranged on the dust collecting pipe and connected to the connecting shaft;

[0010] A grinding disc, wherein the grinding disc is arranged at the end of the connecting shaft by means of an adjustment assembly;

[0011] With the above design, the connecting shaft utilizes the rotating assembly to drive the dust pipe to rotate, and cooperates with the blades to generate negative pressure in the dust collection tube, which facilitates the absorption of the grinding dust from the dust collection tube into the dust collection tube, and then discharges it into the pipeline through the dust collection tube, so as to centrally process the dust, thereby improving the efficiency of dust removal and avoiding dust diffusion. The adjustment assembly is then used to adjust the position of the grinding disc according to the shape of the metal surface.

[0012] Furthermore, the rotating assembly comprises:

[0013] Rotating wheels, there are two rotating wheels, the two rotating wheels are respectively fixedly sleeved on the connecting shaft and the dust suction pipe, and the rotating wheel on the connecting shaft is located above the dust suction cylinder, and grooves are provided on the side walls of the two rotating wheels;

[0014] The friction shaft is arranged on the connecting tube by means of a friction assembly, and the front and rear ends of the friction shaft are respectively connected with friction wheels by means of bearings;

[0015] The belt is movably arranged between the two rotating wheels, and the belt is movably clamped in the groove, and the interference wheel and the belt are arranged in interference with each other.

[0016] By adopting the above design scheme, through the cooperation of the rotating wheel and the belt, the dust collecting pipe is driven to rotate when the connecting shaft rotates, so that the connecting shaft and the dust collecting pipe rotate synchronously, the connectivity between the connecting shaft and the dust collecting pipe is increased, and the dust removal efficiency is improved;

[0017] Furthermore, the conflict component comprises:

[0018] A limit rod, wherein the limit rod is in an inverted "L" shape, and the bottom end of the vertical rod of the limit rod is fixedly arranged on the connecting tube;

[0019] A connecting rod, one end of which is screwed to the end of the crossbar of the limit rod by a rotating rod, and the other end of the connecting rod is fixedly connected to the abutment shaft;

[0020] The movable sleeve is arranged on the vertical rod of the limit rod, and the positioning screw passes through the side wall of the movable sleeve and is screwed on the limit rod;

[0021] The two ends of the resistance rod are respectively screwed on the connecting rod and the moving sleeve by means of hinge seats.

[0022] By adopting the above design, the rotation of the connecting rod is controlled by the cooperation between the movable sleeve and the abutment rod, thereby controlling the tightness of the belt between the two rotating wheels, making it easy to disassemble and assemble the dust extraction pipe on the connecting tube;

[0023] Furthermore, the bottom end of the mechanical arm is connected with a plurality of limiting wheels by a rotating rod, and the limiting wheels are arranged to cooperate with the belt to interfere with each other, so as to limit the belt to the rotating wheel above and prevent the belt from falling out of the groove.

[0024] Furthermore, a dust guiding ring is provided through the bottom end of the dust collecting cylinder, and air guiding blades are fixed at equal angles on the connecting shaft, and the air guiding blades are located below the dust guiding ring. The dust is guided by the dust guiding ring to facilitate the entry of dust into the dust collecting cylinder, and the air guiding blades then increase the suction force of the dust collecting tube on the dust.

[0025] Furthermore, handles are fixedly provided on the front and rear sides of the movable sleeve, and leather sleeves are covered on the handles, and the movable sleeve is driven to move on the vertical rod of the limiting rod through the handles.

[0026] Furthermore, the regulating component comprises:

[0027] An adjusting rod, wherein a sealing ring is fixedly arranged at the top end of the adjusting rod, a pushing groove is opened at the bottom end of the connecting shaft, the adjusting rod is movably inserted in the pushing groove, and the peripheral wall of the sealing ring is arranged to cooperate with and abut against the inside of the pushing groove;

[0028] An air pump, wherein the air pump is fixedly arranged on the connecting shaft, the air pump is located above the grinding disc, and the output end of the air pump is connected to the pushing groove by a connecting pipe;

[0029] A convex block, wherein the convex block is fixedly arranged on the rod wall of the adjusting rod, and the convex block is slidably arranged on the inner wall of the pushing groove;

[0030] By adopting the above design, the air pressure of the push groove is adjusted by cooperating with the air pump and the connecting pipe, thereby controlling the movement of the adjustment rod, and then adjusting the distance between the grinding disc and the dust collection tube to avoid collision between the dust collection tube and the metal material.

[0031] Furthermore, a protection box is fixedly provided on the connecting shaft, and the air pump is located in the protection box, which protects the air pump to a certain extent and prevents dust from entering the air pump and affecting the use of the air pump.

[0032] Furthermore, connection pads are provided on the side walls of the two connection rings, and the two connection pads are respectively arranged to cooperate with the ends of the connection tube and the pipeline to improve the sealing between the dust suction pipe and the connection tube and the pipeline.

[0033] Compared with the prior art, the beneficial effect of the present invention is: the metal surface treatment grinder with a dust-proof structure described in the present invention, through the cooperation of the rotating component, makes the connecting shaft and the dust duct rotate synchronously, and then cooperates with the action of the blades to facilitate the suction of dust from the dust suction cylinder into the dust duct, thereby improving the dust removal efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0034] Figure 1 It is a structural schematic diagram of the present invention.

[0035] Figure 2 It is a structural schematic diagram of the connecting shaft, the dust collecting pipe and the rotating assembly in the present invention.

[0036] Figure 3 It is a structural schematic diagram of the rotating assembly in the present invention.

[0037] Figure 4 It is a schematic diagram of the structure of the interference component in the present invention.

[0038] Figure 5 It is a structural schematic diagram of the rotating wheel and the limiting wheel in the present invention.

[0039] Figure 6 It is a schematic diagram of the internal structure of the dust suction pipe in the present invention.

[0040] Figure 7 It is a structural schematic diagram of the connecting shaft, grinding disc and adjusting assembly in the present invention.

[0041] Figure 8 It is a structural schematic diagram of the regulating component in the present invention.

[0042] Description of reference numerals:

[0043] Operating table 1, mechanical arm 2, connecting shaft 3, dust suction cylinder 4, connecting cylinder 5, dust suction pipe 6, connecting ring 7, pipeline 8, blade 9, rotating component 10, rotating wheel 10-1, groove 10-2, resistance shaft 10-3, resistance wheel 10-4, resistance component 10-5, limiting rod 10-5-1, connecting rod 10-5-2, movable sleeve 10-5-3, positioning screw 10-5-4, resistance rod 10-5-5, belt 10-6, grinding disc 11, adjusting component 12, adjusting rod 12-1, pushing groove 12-2, sealing ring 12-3, air pump 12-4, connecting pipe 12-5, bump 12-6, limiting wheel 13, dust suction ring 14, draft blade 15, handle 16, leather case 17, protection box 18, connecting pad 19. DETAILED DESCRIPTION

[0044] The technical solution of the present invention will be clearly and completely described below in conjunction with the accompanying drawings. The preferred embodiments in the description are only used as examples, and all other embodiments obtained by those skilled in the art without making any creative work are within the scope of protection of the present invention.

[0045] like Figure 1-Figure 8 As shown, this specific embodiment adopts the following technical solution: it comprises an operating table 1 and a mechanical arm 2; the mechanical arm 2 is fixedly arranged on the left side of the operating table 1, and a connecting shaft 3 is screwed to the end of the mechanical arm 2;

[0046] It also contains:

[0047] The dust collection cylinder 4 is a cylindrical structure with a hollow bottom opening. The dust collection cylinder 4 is screwed on the connecting shaft 3 by a bearing, and the dust collection cylinder 4 is connected to the end of the mechanical arm 2 by a connecting frame. The dust collection cylinder 4 plays a positioning role, which is convenient for sucking dust into the dust collection cylinder 4. A dust introduction ring 14 is provided at the bottom of the dust collection cylinder 4, and an air introduction blade 15 is fixed at an equal angle on the connecting shaft 3. The air introduction blade 15 is located below the dust introduction ring 14. The dust is guided by the dust introduction ring 14 to facilitate the dust to enter the dust collection cylinder 4, and then the air introduction blade 15 is used to improve the suction force of the dust introduction pipe 6 on the dust.

[0048] The connecting tube 5 is a hollow cylindrical structure with openings at both ends, and one end of the connecting tube 5 is through-set on the left side of the dust collecting tube 4, so as to facilitate the dust in the dust collecting tube 4 to be drained into the connecting tube 5;

[0049] The dust collecting pipe 6 is a cylindrical structure with openings at both ends and a hollow structure. The left and right sides of the dust collecting pipe 6 are respectively connected with connecting rings 7 by bearings. The two connecting rings 7 are respectively connected with the other end of the connecting tube 5 and the pipe 8 by bolts. A plurality of blades 9 are fixedly provided on the inner wall of the dust collecting pipe 6. When the dust collecting pipe 6 rotates, the blades 9 are driven to rotate, so that a negative pressure area is generated in the dust collecting pipe 6, which is convenient for sucking dust into the dust collecting pipe 6 and then discharging it into the pipe 8. The side walls of the two connecting rings 7 are provided with connecting pads 19, and the two connecting pads 19 are respectively arranged to cooperate with the ends of the connecting tube 5 and the pipe 8 to improve the sealing between the dust collecting pipe 6 and the connecting tube 5 and the pipe 8;

[0050] The rotating assembly 10 is arranged on the dust collecting pipe 6 and connected to the connecting shaft 3. The rotating assembly 10 includes:

[0051] Rotating wheels 10-1, there are two rotating wheels 10-1, the two rotating wheels 10-1 are respectively fixedly sleeved on the connecting shaft 3 and the dust collecting pipe 6, and the rotating wheel 10-1 on the connecting shaft 3 is located above the dust collecting cylinder 4, and grooves 10-2 are opened on the side walls of the two rotating wheels 10-1, and the connecting shaft 3 and the dust collecting pipe 6 are synchronously rotated by the rotating wheels 10-1. The bottom end of the mechanical arm 2 is screwed with a plurality of limiting wheels 13 by a rotating rod, and the limiting wheels 13 and the belt 10-6 are arranged in a conflicting manner, so as to limit the belt 10-6 on the upper rotating wheel 10-1 and prevent the belt 10-6 from being separated from the groove 10-2;

[0052] The resistance shaft 10-3 is arranged on the connecting tube 5 by means of a resistance assembly 10-5, and the front and rear ends of the resistance shaft 10-3 are respectively connected with resistance wheels 10-4 by means of bearings, and the resistance shaft 10-3 plays a role of adjustment;

[0053] The belt 10-6 is movably arranged between the two rotating wheels 10-1, and the belt 10-6 is movably clamped in the groove 10-2. The friction wheel 10-4 and the belt 10-6 are arranged in a frictional manner, and the belt 10-6 plays a transmission role. The friction shaft 10-3 is used to make the belt 10-6 in a taut state on the two rotating wheels 10-1;

[0054] The conflict component 10-5 includes:

[0055] The limiting rod 10-5-1 is set in an inverted "L" shape, and the bottom end of the vertical rod of the limiting rod 10-5-1 is fixedly set on the connecting tube 5, and the limiting rod 10-5-1 plays a positioning role;

[0056] A connecting rod 10-5-2, one end of which is screwed to the end of the crossbar of the limit rod 10-5-1 by a rotating rod, and the other end of the connecting rod 10-5-2 is fixedly connected to the resistance shaft 10-3. The position of the resistance shaft 10-3 is adjusted by rotating the connecting rod 10-5-2, thereby adjusting the tension of the belt 10-6;

[0057] The movable sleeve 10-5-3 is movably mounted on the vertical rod of the limiting rod 10-5-1. After the positioning screw 10-5-4 passes through the side wall of the movable sleeve 10-5-3, it is screwed on the limiting rod 10-5-1. The positioning screw 10-5-4 is used to fix the movable sleeve 10-5-3 on the limiting rod 10-5-1. The front and rear sides of the movable sleeve 10-5-3 are fixed with handles 16, and the handles 16 are covered with leather covers 17. The movable sleeve 10-5-3 is driven to move on the vertical rod of the limiting rod 10-5-1 through the handles 16;

[0058] The two ends of the resistance rod 10-5-5 are respectively connected to the connecting rod 10-5-2 and the movable sleeve 10-5-3 by hinge seats, and the movable sleeve 10-5-3 drives the resistance rod 10-5-5 to rotate, thereby controlling the rotation of the connecting rod 10-5-2;

[0059] The grinding disc 11 is arranged at the end of the connecting shaft 3 by means of an adjusting assembly 12, and the adjusting assembly 12 comprises:

[0060] An adjusting rod 12-1, wherein a sealing ring 12-3 is fixedly arranged at the top of the adjusting rod 12-1, a pushing groove 12-2 is provided at the bottom end of the connecting shaft 3, the adjusting rod 12-1 is movably inserted into the pushing groove 12-2, and the peripheral wall of the sealing ring 12-3 is arranged to be in contact with the inside of the pushing groove 12-2, and the adjusting rod 12-1 is moved in the pushing groove 12-2 to facilitate the adjustment of the position of the grinding disc 11, thereby adjusting the distance between the grinding disc 11 and the dust collection cylinder 4, and avoiding the dust collection cylinder 4 from colliding with metal;

[0061] The air pump 12-4 is fixedly arranged on the connecting shaft 3, the air pump 12-4 is located above the grinding disc 11, and the output end of the air pump 12-4 is connected with the push groove 12-2 by the connecting pipe 12-5. The air pump 12-4 cooperates with the connecting pipe 12-5 to adjust the air pressure in the push groove 12-2, thereby controlling the movement of the adjusting rod 12-1. A protective box 18 is fixedly arranged on the connecting shaft 3, and the air pump 12-4 is located in the protective box 18, which protects the air pump 12-4 to a certain extent and prevents dust from entering the air pump 12-4 and affecting the use of the air pump 12-4;

[0062] The protrusion 12-6 is fixedly arranged on the rod wall of the adjusting rod 12-1, and the protrusion 12-6 is slidably arranged on the inner wall of the pushing groove 12-2. The protrusion 12-6 plays a role of limiting, so that the connecting shaft 3 drives the adjusting rod 12-1 to rotate synchronously.

[0063] When using the present invention, the operator first installs the metal on the operating table 1, and uses the mechanical arm 2 to make the grinding disc 11 contact the metal surface. At the same time, according to the position of the dust collection tube 4 and the metal, the air pump 12-4 is started. The air pump 12-4 adjusts the air pressure in the push groove 12-2 through the connecting pipe 12-5, so that the adjusting rod 12-1 moves in the push groove 12-2, thereby adjusting the position of the grinding disc 11 to avoid the dust collection tube 4 from colliding with the metal. Then, the driving motor on the mechanical arm 2 is started to drive the connecting shaft 3 to rotate, and the connecting shaft 3 drives the grinding disc 11 to rotate, thereby grinding the metal surface. The connecting shaft 3 drives the corresponding rotating wheel 10-1 to rotate, and cooperates with the transmission of the belt 10-6 and the role of the resistance rod 10-5-5 in changing the moving direction of the belt 10-6 to drive the rotating wheel 10-1 on the dust collecting pipe 6 to rotate, so that the connecting shaft 3 and the dust collecting pipe 6 rotate synchronously, and the dust collecting pipe 6 drives the blades 9 to rotate. The structural properties of the blades 9 are used to generate suction in the dust collecting pipe 6, so that suction is generated in the dust collecting tube 4, so that the dust generated by the grinding disc 11 when working is sucked into the dust collecting tube 4, and then discharged into the pipe 8 through the dust collecting pipe 6, so as to avoid the diffusion of dust and improve the efficiency of dust removal;

[0064] In addition, the operator controls the connection status of the movable sleeve 10-5-3 and the limit rod 10-5-1 through the positioning screw 10-5-4, and drives the resistance rod 10-5-5 to rotate through the movable sleeve 10-5-3, thereby controlling the rotation of the connecting rod 10-5-2, adjusting the position of the resistance shaft 10-3, and then controlling the tension of the belt 10-6 on the two rotating wheels 10-1, so as to facilitate the operator to disassemble and assemble the dust suction pipe 6 on the connecting tube 5, so as to regularly clean the dust in the dust suction pipe 6.

[0065] Compared with the prior art, the present invention has the following beneficial effects:

[0066] 1. Through the rotation of the dust collecting pipe 6 and the blades 9, negative pressure is generated in the dust collecting cylinder 4, so that the dust collecting cylinder 4 can absorb the dust generated by the grinding disc 11 when it is working. The dust collecting cylinder 4 is close to the grinding disc 11, thereby improving the efficiency of dust removal;

[0067] 2. A rotating assembly 10 is provided, and the moving direction of the belt 10-6 is changed by using the abutment shaft 10-3, so that the two rotating wheels 10-1 rotate synchronously, and then the connecting shaft 3 and the dust collecting pipe 6 rotate synchronously, thereby enhancing the linkage between the grinding disc 11 and the dust collecting cylinder 4 and reducing energy consumption;

[0068] 3. Set up a resistance assembly 10-5, and use the cooperation of the movable sleeve 10-5-3 and the resistance rod 10-5-5 to control the rotation of the connecting rod 10-5-2, so as to adjust the position of the resistance shaft 10-3, and then adjust the tension state of the belt 10-6 and the rotating wheel 10-1, so as to facilitate the disassembly and assembly of the dust suction pipe 6;

[0069] 4. Set up the adjustment component 12, and control the position of the adjustment rod 12-1 in the push groove 12-2 through the cooperation of the air pump 12-4 and the connecting pipe 12-5, so as to adjust the distance between the grinding disc 11 and the dust collection tube 4 to avoid the dust collection tube 4 from colliding with metal.

[0070] For those skilled in the art, they can modify the technical solutions described in the aforementioned embodiments and make equivalent substitutions for some of the technical features. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A metal surface treatment grinding machine with a dustproof structure, comprising an operating table (1) and a mechanical arm (2); the mechanical arm (2) is fixedly arranged on the left side of the operating table (1), and a connecting shaft (3) is screwed to the end of the mechanical arm (2); It is characterized in that It also contains: A dust collection cylinder (4), wherein the dust collection cylinder (4) is a hollow cylindrical structure with an opening at the bottom, the dust collection cylinder (4) is screwed onto the connecting shaft (3) by means of a bearing, and the dust collection cylinder (4) is connected to the end of the mechanical arm (2) by means of a connecting frame; A connecting tube (5), wherein the connecting tube (5) is a hollow cylindrical structure with openings at both ends, and one end of the connecting tube (5) is arranged through the left side of the dust collecting tube (4); The dust collecting pipe (6) is a hollow cylindrical structure with openings at both ends. The left and right sides of the dust collecting pipe (6) are respectively connected with connecting rings (7) by means of bearings. The two connecting rings (7) are respectively connected with the other end of the connecting tube (5) and the pipe (8) by means of bolts. A plurality of blades (9) are fixedly provided on the inner wall of the dust collecting pipe (6); A rotating assembly (10), wherein the rotating assembly (10) is arranged on the dust collecting pipe (6), and the rotating assembly (10) is connected to the connecting shaft (3); A grinding disc (11), wherein the grinding disc (11) is arranged at the end of the connecting shaft (3) by means of an adjustment assembly (12).

2. The metal surface treatment grinding machine with a dustproof structure according to claim 1, characterized in that: The rotating assembly (10) comprises: Rotating wheels (10-1), there are two rotating wheels (10-1), the two rotating wheels (10-1) are respectively fixedly sleeved on the connecting shaft (3) and the dust collecting pipe (6), and the rotating wheel (10-1) on the connecting shaft (3) is located above the dust collecting cylinder (4), and grooves (10-2) are provided on the side walls of the two rotating wheels (10-1); A resistance shaft (10-3), wherein the resistance shaft (10-3) is arranged on the connecting tube (5) by means of a resistance assembly (10-5), and resistance wheels (10-4) are respectively rotatably connected to the front and rear ends of the resistance shaft (10-3) by means of bearings; The belt (10-6) is movably arranged between the two rotating wheels (10-1), and the belt (10-6) is movably clamped in the groove (10-2), and the abutment wheel (10-4) and the belt (10-6) are arranged in a cooperative abutment with each other.

3. The metal surface treatment grinding machine with a dustproof structure according to claim 2, characterized in that: The conflicting component (10-5) comprises: A limiting rod (10-5-1), wherein the limiting rod (10-5-1) is arranged in an inverted "L" shape, and the bottom end of the vertical rod of the limiting rod (10-5-1) is fixedly arranged on the connecting tube (5); A connecting rod (10-5-2), one end of the connecting rod (10-5-2) is screwed to the end of the crossbar of the limiting rod (10-5-1) by a rotating rod, and the other end of the connecting rod (10-5-2) is fixedly connected to the abutment shaft (10-3); A movable sleeve (10-5-3), wherein the movable sleeve (10-5-3) is movably mounted on the vertical rod of the limiting rod (10-5-1), and the positioning screw (10-5-4) passes through the side wall of the movable sleeve (10-5-3) and is screwed onto the limiting rod (10-5-1) through a thread; The two ends of the resistance rod (10-5-5) are respectively connected to the connecting rod (10-5-2) and the movable sleeve (10-5-3) by means of hinge seats.

4. The metal surface treatment grinding machine with a dustproof structure according to claim 2, characterized in that: The bottom end of the mechanical arm (2) is connected to a plurality of limiting wheels (13) by a rotating rod, and the limiting wheels (13) are arranged in a cooperative manner with the belt (10-6).

5. The metal surface treatment grinding machine with a dustproof structure according to claim 1, characterized in that: A dust collecting ring (14) is provided through the bottom end of the dust collecting cylinder (4), and air induced blades (15) are fixedly provided at equal angles on the connecting shaft (3), and the air induced blades (15) are located below the dust collecting ring (14).

6. The metal surface treatment grinding machine with a dustproof structure according to claim 3, characterized in that: The movable sleeve (10-5-3) is fixedly provided with handles (16) at the front and rear sides, and the handles (16) are covered with a leather sleeve (17).

7. The metal surface treatment grinding machine with a dustproof structure according to claim 1, characterized in that: The regulating component (12) comprises: An adjusting rod (12-1), wherein a sealing ring (12-3) is fixedly arranged at the top end of the adjusting rod (12-1), a pushing groove (12-2) is provided at the bottom end of the connecting shaft (3), the adjusting rod (12-1) is movably inserted into the pushing groove (12-2), and the peripheral wall of the sealing ring (12-3) is arranged to cooperate and abut against the inside of the pushing groove (12-2); An air pump (12-4), wherein the air pump (12-4) is fixedly arranged on the connecting shaft (3), the air pump (12-4) is located above the grinding disc (11), and the output end of the air pump (12-4) is connected to the pushing groove (12-2) by means of a connecting pipe (12-5); The convex block (12-6) is fixedly arranged on the rod wall of the adjusting rod (12-1), and the convex block (12-6) is slidably arranged on the inner wall of the pushing groove (12-2).

8. The metal surface treatment grinding machine with dustproof structure according to claim 7, characterized in that: A protection box (18) is fixedly provided on the connecting shaft (3), and the air pump (12-4) is located in the protection box (18).

9. The metal surface treatment grinding machine with a dustproof structure according to claim 1, characterized in that: A connection pad (19) is provided on the side walls of the two connection rings (7), and the two connection pads (19) are respectively arranged to cooperate with and abut against the ends of the connection tube (5) and the pipeline (8).

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