Composite electrodeposition polishing device for metal materials

Abstract

The utility model provides a metal material composite electrodeposition polishing device which comprises a telescopic device, a driving device and an air inlet device, and further comprises a polishing piece, a cover body and an air outlet part, the bottom end of the polishing piece is fixedly connected with polishing teeth, the cover body is installed on the polishing piece, a first air cavity is formed between the cover body and the polishing piece, and a second air cavity is formed between the cover body and the air outlet part. Heat dissipation holes communicated with the first air cavity are formed in the cover body; the air outlet part is installed on the grinding piece, a second air cavity is formed in the air outlet part, the second air cavity communicates with the first air cavity, and an exhaust hole communicating with the second air cavity is formed in the air outlet part; wherein a blocking mechanism used for blocking the heat dissipation holes or the exhaust holes is slidably installed on the polishing piece, and the driving device is used for driving the cover body to rotate. The diamond grinding disc can solve the problem that in the prior art, after materials are ground through a diamond grinding disc for a long time, waste chips are attached to the grinding face, and the grinding efficiency is affected.

Description

Technical Field

[0001] The utility model relates to the technical field of composite electrodeposition polishing devices, in particular to a composite electrodeposition polishing device for metal materials. Background Art

[0002] Electroplating is a surface treatment technology that uses the principle of electrochemistry to form a layer of electrodeposition on the metal surface to improve its surface properties. Electroplating can change the chemical and physical properties of the metal surface, increase the hardness, corrosion resistance and aesthetics of the metal surface. It is widely used in the fields of automobiles, furniture, electronics, construction, etc.

[0003] During the electroplating process, unevenness and defects such as bubbles, defects, stains, etc. are prone to occur on the metal surface. These problems will affect the quality and corrosion resistance of the electroplated coating, and may even cause the coating to fall off or crack. In order to remove the unevenness and defects on the metal surface and improve the surface finish and flatness, a grinding device is required to grind the metal surface; for example, the utility model with publication number CN220313077U includes a grinding base, the inner wall of the grinding base is fixedly connected to a connecting block, the top of the connecting block is fixedly connected to a fixing ring, the inner wall of the fixing ring is fixedly connected to a threaded mounting cylinder, and one end of the threaded mounting cylinder is fixedly connected to a clamping block.

[0004] Although the diamond grinding disc in the prior art is provided with heat dissipation holes to dissipate heat for the diamond grinding disc, after the diamond grinding disc has been grinding the material for a long time, waste chips will be attached to the grinding surface, which affects the grinding efficiency. Utility Model Content

[0005] The purpose of the utility model is to provide a composite electrodeposition grinding device for metal materials, which can solve the problem in the prior art that after the diamond grinding disc has been grinding the material for a long time, waste chips will adhere to the grinding surface, thus affecting the grinding efficiency.

[0006] In order to solve the above technical problems, the technical solution adopted by the utility model is:

[0007] A metal material composite electrodeposition grinding device, comprising a telescopic device, a driving device and an air intake device, and also comprising:

[0008] A grinding sheet, the bottom end of which is fixedly connected with grinding teeth

[0009] A cover body, wherein the cover body is mounted on the polishing sheet, a first air cavity is formed between the cover body and the polishing sheet, and a heat dissipation hole communicating with the first air cavity is provided on the cover body;

[0010] An air outlet portion, the air outlet portion is mounted on the grinding sheet, a second air cavity is arranged in the air outlet portion, the second air cavity is communicated with the first air cavity, and an exhaust hole communicated with the second air cavity is arranged on the air outlet portion;

[0011] Among them, a sealing mechanism for sealing the heat dissipation holes or exhaust holes is slidably installed on the grinding plate, the driving device is used to drive the cover body to rotate, the air intake device is rotatably connected to the cover body and is used to introduce gas into the first air cavity; the driving device is used to drive the cover body to rotate, and the telescopic device is used to drive the cover body to move vertically.

[0012] Preferably, the sealing mechanism includes an extrusion assembly and an airbag assembly, the airbag assembly is fixedly installed in the first air cavity, the extrusion assembly is slidably installed in the first air cavity, and a through hole is provided on the extrusion assembly. The extrusion assembly is used to seal the heat dissipation hole or the exhaust hole after cooperating with the airbag assembly.

[0013] Preferably, the extrusion assembly includes a sliding rod and a pressure plate, the sliding rod is slidably mounted on the grinding sheet, one end of the sliding rod located in the first air cavity is fixedly connected to a stopper, the through hole is arranged on the stopper, and the extrusion plate is fixedly connected to the stopper and is used to extrude the airbag assembly.

[0014] Preferably, a ball cavity is provided at one end of the sliding rod located outside the first air cavity, and a ball is rotatably installed in the ball cavity.

[0015] Preferably, a guide rod is fixedly connected to the pressure plate, and the guide rod is slidably mounted on the cover body.

[0016] Preferably, the stopper is connected to a spring, and the stopper is connected to the first air cavity via the spring.

[0017] Preferably, the airbag assembly includes a first airbag and a second airbag, the first airbag is fixedly installed in the first air cavity, the first airbag is connected to a trachea, the second airbag is connected to the first airbag through the trachea, and the second airbag is used to block the second air cavity.

[0018] Preferably, the telescopic device comprises a support frame, a telescopic rod and a movable plate, the fixed end of the telescopic rod is connected to the support frame, the movable plate is fixedly connected to the telescopic end of the telescopic rod, and the air intake device of the driving device is mounted on the movable plate.

[0019] Preferably, the air intake device includes an air pump and a rotary joint, the rotary joint is installed at the air outlet of the air pump and an air duct is provided in the rotary joint, the fixed end of the telescopic device is used to connect with the support frame; the telescopic end of the telescopic device is connected to the movable plate, the air pump is installed on the movable plate and the end of the air pump away from the movable plate is rotatably installed on the cover body, and the air pump is used to transport gas into the first air cavity.

[0020] Preferably, the driving device includes a driving motor, a driving gear and a driven gear, the driving motor is mounted on the moving plate and the driving gear is connected to the output end of the driving motor; the driven gear is mounted on the cover body, and the driving gear is meshed with the driven gear.

[0021] Compared with the prior art, the utility model has the following beneficial effects:

[0022] In the utility model, the grinding disc can be driven to rotate by a driving device, and the grinding teeth arranged at the bottom end of the grinding disc can grind defects and stains on the surface of the metal material after rotating; the cover body can be driven to move vertically up and down by a telescopic device, and when the telescopic device drives the grinding teeth arranged on the grinding disc to contact the metal surface, the blocking mechanism slidably mounted on the grinding disc is squeezed by the table for placing the metal material to block the second air cavity; while the blocking mechanism blocks the second air cavity, the first air cavity is connected to the heat dissipation hole, so that when the grinding disc is grinding the surface of the metal material, the gas introduced into the first air cavity can cool the grinding disc;

[0023] When the grinding disc completes grinding the metal material, the telescopic device drives the cover body to move vertically upward, and the sealing mechanism is separated from the table to seal the heat dissipation holes. While the sealing mechanism separates the heat dissipation holes, the first air cavity is connected with the second air cavity, and the gas introduced into the first air cavity is blown out through the exhaust holes provided on the air outlet part to clean up the debris remaining on the grinding teeth, thereby preventing the debris remaining on the grinding surface from affecting the grinding efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0024] In order to more clearly illustrate the technical solution of the implementation mode of the utility model, the drawings required for use in the implementation mode will be briefly introduced below. It should be understood that the following drawings only show certain embodiments of the utility model and therefore should not be regarded as limiting the scope. For ordinary technicians in this field, other relevant drawings can be obtained based on these drawings without paying creative work.

[0025] Figure 1 It is a schematic diagram of the connection relationship between the grinding sheet and the cover body in the utility model.

[0026] Figure 2 It is a structural schematic diagram of the utility model.

[0027] Figure 3 For this utility model Figure 2 A partial enlarged view of point A in the middle.

[0028] In the accompanying drawings, the components represented by the reference numerals are listed as follows:

[0029] 101- telescopic device, 102- driving device, 103- air inlet device, 104- grinding sheet, 105- grinding tooth, 106- heat dissipation hole, 107- first air cavity, 108- air outlet, 109- second air cavity, 110- exhaust hole, 111- blocking mechanism, 112- extrusion assembly, 113- air bag assembly, 114- through hole, 115- sliding rod, 116- pressure plate, 117- stopper, 118- ball, 119- guide rod, 120- first air bag, 121- second air bag, 122- air pipe, 123- telescopic rod, 124- moving plate, 125- air pump, 126- driving motor, 127- driving gear, 128- driven gear, 129- cover body. DETAILED DESCRIPTION

[0030] In the following, only some exemplary embodiments are briefly described. As those skilled in the art will appreciate, the described embodiments may be modified in various ways without departing from the spirit or scope of the embodiments of the present invention. Therefore, the drawings and descriptions are considered to be exemplary and non-restrictive in nature.

[0031] In the description of the embodiments of the present invention, it should be understood that the terms "length", "vertical", "horizontal", "top", "bottom", etc. indicating the orientation or positional relationship are based on the orientation or positional relationship shown in the accompanying drawings, and are only for the convenience of describing the embodiments of the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the embodiments of the present invention.

[0032] In addition, the terms "first" and "second" are used for descriptive purposes only and should not be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined as "first" and "second" may explicitly or implicitly include one or more of the features. In the description of the embodiments of the present utility model, the meaning of "multiple" is two or more, unless otherwise clearly and specifically defined.

[0033] In the embodiments of the present utility model, unless otherwise clearly specified and limited, the terms "installed", "connected", "connected", "fixed" and the like should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection, an electrical connection, or a communication; it can be a direct connection, or an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements. For ordinary technicians in this field, the specific meanings of the above terms in the embodiments of the present utility model can be understood according to specific circumstances.

[0034] In the embodiments of the present utility model, unless otherwise clearly specified and limited, the first feature being "above" or "below" the second feature may include the first and second features being in direct contact, or may include the first and second features not being in direct contact but being in contact through another feature between them. Moreover, the first feature being "above", "above" and "above" the second feature includes the first feature being directly above and obliquely above the second feature, or simply indicates that the first feature is higher in level than the second feature. The first feature being "below", "below" and "below" the second feature includes the first feature being directly above and obliquely above the second feature, or simply indicates that the first feature is lower in level than the second feature.

[0035] The disclosure below provides many different embodiments or examples for realizing different structures of the embodiments of the present utility model. In order to simplify the disclosure of the embodiments of the present utility model, the components and settings of specific examples are described below. Of course, they are only examples, and the purpose is not to limit the embodiments of the present utility model. In addition, the embodiments of the present utility model can repeat reference numbers and / or reference letters in different examples, and this repetition is for the purpose of simplification and clarity, and does not itself indicate the relationship between the various embodiments and / or settings discussed.

[0036] The embodiments of the present utility model are described in detail below with reference to the accompanying drawings.

[0037] Example

[0038] See also Figure 1-Figure 3 The present embodiment discloses a grinding device, specifically a metal material composite electrodeposition grinding device, including a telescopic device 101, a driving device 102 and an air inlet device 103, and also includes a grinding sheet 104, a cover 129 and an air outlet 108, wherein the bottom end of the grinding sheet 104 is fixedly connected with a grinding tooth 105, the cover 129 is mounted on the grinding sheet 104, a first air cavity 107 is formed between the cover 129 and the grinding sheet 104, and a heat dissipation hole 106 connected to the first air cavity 107 is provided on the cover 129; the air outlet 108 is mounted on the grinding sheet 104, and the air outlet 108 has a heat dissipation hole 106 connected to the first air cavity 107; A second air cavity 109 is provided, and the second air cavity 109 is communicated with the first air cavity 107, and an exhaust hole 110 communicated with the second air cavity 109 is provided on the air outlet portion 108; wherein, a blocking mechanism 111 for blocking the heat dissipation hole 106 or the exhaust hole 110 is slidably installed on the grinding plate 104, and the driving device 102 is used to drive the cover body 129 to rotate, and the air intake device 103 is rotatably connected to the cover body 129 and is used to introduce gas into the first air cavity 107; the driving device 102 is used to drive the cover body 129 to rotate, and the telescopic device 101 is used to drive the cover body 129 to move vertically.

[0039] In the present invention, the exhaust hole 110 is arranged on the side of the air outlet portion 108, and the grinding sheet 104 is detachably connected to the bottom end of the cover body 129 by bolts; the driving device 102 can drive the grinding sheet 104 to rotate, and the grinding teeth 105 arranged at the bottom end of the grinding sheet 104 can grind the defects and stains on the surface of the metal material after rotating; the telescopic device 101 can drive the cover body 129 to move vertically up and down, and when the telescopic device 101 drives the grinding teeth 105 arranged on the grinding sheet 104 to contact the metal surface, the blocking mechanism 111 slidably installed on the grinding sheet 104 is squeezed by the table for placing the metal material to block the second air cavity 109; while the blocking mechanism 111 blocks the second air cavity 109 The first air cavity 107 is connected with the heat dissipation hole 106, so that when the grinding sheet 104 is grinding the surface of the metal material, the gas introduced into the first air cavity 107 can cool down the grinding sheet 104; when the grinding sheet 104 completes the grinding of the metal material, the telescopic device 101 drives the cover body 129 to move vertically upward, and the blocking mechanism 111 is separated from the table to block the heat dissipation hole 106. While the blocking mechanism 111 separates the heat dissipation hole 106, the first air cavity 107 is connected with the second air cavity 109, and the gas introduced into the first air cavity 107 is blown out through the exhaust hole 110 provided on the air outlet portion 108, and can clean up the debris remaining on the grinding tooth 105, so as to prevent the debris remaining on the grinding surface from affecting the grinding efficiency.

[0040] Specifically, the sealing mechanism 111 includes an extrusion component 112 and an airbag component 113. The airbag component 113 is fixedly installed in the first air cavity 107, and the extrusion component 112 is slidably installed in the first air cavity 107. The extrusion component 112 is provided with a through hole 114. The extrusion component 112 is used to seal the heat dissipation hole 106 or the exhaust hole 110 after cooperating with the airbag component 113. When the telescopic device 101 drives the grinding teeth 105 provided on the grinding sheet 104 to contact the metal surface, the blocking component slidably installed on the grinding sheet 104 is squeezed by the table for placing the metal material and then moves vertically up and down, and the airbag component 113 installed in the first air cavity 107 is squeezed by the blocking component to block the second air cavity 109; while the airbag component 113 blocks the second air cavity 109, the through hole 114 provided on the blocking component after moving vertically upward is connected with the heat dissipation hole 106, so that when the grinding sheet 104 is grinding the surface of the metal material, the gas introduced into the first air cavity 107 can pass through the through hole 114 and be blown out from the heat dissipation hole 106, thereby damaging the grinding sheet 104. Cooling; when the grinding disc 104 completes the grinding of the metal material, the telescopic device 101 drives the cover body 129 to move vertically upward, and the blocking component is separated from the table and moves vertically downward under the action of gravity. After the through hole 114 arranged on the blocking component moves downward, it is no longer connected with the heat dissipation hole 106, thereby achieving the blocking of the heat dissipation hole 106, and the airbag component 113 is no longer squeezed by the blocking component to release the blocking of the second air cavity 109 so that the first air cavity 107 is connected with the second air cavity 109. The gas introduced into the first air cavity 107 is blown out through the exhaust hole 110 arranged on the air outlet part 108, and the debris remaining on the grinding tooth 105 can be cleaned to prevent the waste chips remaining on the grinding surface from affecting the grinding efficiency.

[0041] Specifically, the extrusion assembly 112 includes a sliding rod 115 and a pressure plate 116. The sliding rod 115 is slidably installed on the grinding sheet 104. One end of the sliding rod 115 located in the first air cavity 107 is fixedly connected to a stopper 117. The through hole 114 is arranged on the stopper 117. The extrusion plate 116 is fixedly connected to the stopper 117 and is used to extrude the airbag assembly 113. When the telescopic device 101 drives the grinding teeth 105 provided on the grinding sheet 104 to contact the metal surface, the sliding rod 115 slidably installed on the grinding sheet 104 is squeezed by the table for placing the metal material and moves vertically up and down. The stopper 117 and the extrusion plate 116 connected to the sliding rod 115 move vertically upward under the drive of the sliding rod 115. The airbag component 113 installed in the first air cavity 107 is squeezed by the extrusion plate 116 to block the second air cavity 109. While the airbag component 113 blocks the second air cavity 109, the through hole 114 provided on the stopper 117 after moving vertically upward is connected with the heat dissipation hole 106, so that when the grinding sheet 104 is grinding the surface of the metal material, the gas entering the first air cavity 107 can pass through the through hole 114 to dissipate heat from the heat dissipation hole 106. The air is blown out from the hole 106 to cool the grinding sheet 104; when the grinding sheet 104 completes the grinding of the metal material, the telescopic device 101 drives the cover body 129 to move vertically upward, and the sliding rod 115 is separated from the table and moves vertically downward under the action of its own gravity. After the through hole 114 arranged on the stopper 117 moves downward, it is no longer connected with the heat dissipation hole 106, so that the stopper 117 can block the heat dissipation hole 106, and the airbag component 113 is no longer squeezed by the pressure plate 116 and releases the blockage of the second air cavity 109 to connect the first air cavity 107 with the second air cavity 109. The gas introduced into the first air cavity 107 is blown out through the exhaust hole 110 arranged on the air outlet part 108, and can clean up the debris remaining on the grinding tooth 105 to prevent the waste chips remaining on the grinding surface from affecting the grinding efficiency.

[0042] Specifically, a ball cavity is provided at one end of the sliding rod 115 outside the first air cavity 107, and a ball 118 is rotatably installed in the ball cavity. The ball 118 fixedly connected in the ball cavity can prevent the bottom end of the sliding rod 115 from scratching the table when the driving device 102 drives the grinding sheet 104 to rotate and grind the metal surface.

[0043] Specifically, the pressing plate 116 is fixedly connected with a guide rod 119, and the guide rod 119 is slidably mounted on the cover 129. By providing the guide rod 119, the pressing plate 116 can be limited and guided, so that the pressing plate 116 moves vertically upward to squeeze the airbag assembly 113 more stably.

[0044] Specifically, a spring is connected to the stopper 117, and the stopper 117 is connected to the first air cavity 107 via the spring. The spring can buffer the stopper 117 moving vertically upward, and when the sliding rod 115 is separated from the table, the spring can reset the stopper 117, thereby ensuring that the through hole 114 provided on the stopper 117 is no longer connected to the heat dissipation hole 106.

[0045] Specifically, the airbag assembly 113 includes a first airbag 120 and a second airbag 121. The first airbag 120 is fixedly installed in the first air cavity 107. The first airbag 120 is connected to an air tube 122. The second airbag 121 is connected to the first airbag 120 through the air tube 122. The second airbag 121 is used to block the second air cavity 109. The first airbag 120 is fixedly connected in the first air cavity 107. When the telescopic device 101 drives the grinding teeth 105 provided on the grinding sheet 104 to contact the metal surface, the sliding rod 115 slidably installed on the grinding sheet 104 is squeezed by the table for placing metal materials and then moves vertically up and down. The stopper 117 and the extrusion plate 116 connected to the sliding rod 115 move vertically upward under the drive of the sliding rod 115. The first airbag 120 installed in the first air cavity 107 is squeezed by the extrusion plate 116. After the extrusion, the gas is input into the second airbag 121 through the air pipe 122, and the second airbag 121 can block the second air cavity 109 after collision; while the second airbag 121 blocks the second air cavity 109, the through hole 114 provided on the stopper 117 after vertical upward movement is connected with the heat dissipation hole 106, so that when the grinding sheet 104 is grinding the surface of the metal material, the gas introduced into the first air cavity 107 can pass through the through hole 114 and be blown out from the heat dissipation hole 106, thereby grinding the grinding sheet 104 is cooled; when the grinding sheet 104 completes the grinding of the metal material, the telescopic device 101 drives the cover body 129 to move vertically upward, and the sliding rod 115 is separated from the table and moves vertically downward under the action of its own gravity and the spring. After the through hole 114 set on the stopper 117 moves downward, it is no longer connected with the heat dissipation hole 106, so that the stopper 117 can block the heat dissipation hole 106; after the first airbag 120 is no longer squeezed by the pressure plate 116, the gas in the second airbag 121 enters When the first airbag 120 is entered, the second airbag 121 shrinks and no longer blocks the second air cavity 109, so that the first air cavity 107 is connected with the second air cavity 109; the gas entering the first air cavity 107 is blown out through the exhaust hole 110 provided on the air outlet portion 108, and can clean up the debris remaining on the grinding tooth 105, so as to prevent the debris remaining on the grinding surface from affecting the grinding efficiency; in this embodiment, the first airbag 120 and the second airbag 121 are both made of high temperature resistant and heat-insulating rubber material.

[0046] Specifically, the telescopic device 101 includes a support frame, a telescopic rod 123 and a moving plate 124. The fixed end of the telescopic rod 123 is connected to the support frame, the moving plate 124 is fixedly connected to the telescopic end of the telescopic rod 123, and the air intake device 103 of the driving device 102 is installed on the moving plate 124. When the telescopic rod 123 is extended and retracted, the driving device 102 and the air intake device 103 installed on one end plate and the cover body 129 connected to the air intake device 103 all move vertically up and down under the drive of the telescopic rod 123.

[0047] Specifically, the air intake device 103 includes an air pump 125 and a rotary joint, the rotary joint is installed at the air outlet of the air pump 125 and an air passage is provided in the rotary joint, the fixed end of the telescopic device 101 is used to connect with the support frame; the telescopic end of the telescopic device 101 is connected with the mobile plate 124, the air pump 125 is installed on the mobile plate 124 and one end of the air pump 125 away from the mobile plate 124 is rotatably installed on the cover body 129, and the air pump 125 is used to transport gas into the first air cavity 107. The air pump 125 is coaxially rotatably installed on the cover body 129 through a rotary joint, the air outlet of the air pump 125 is connected with the first air cavity 107 through the air passage, and gas is input into the first air cavity 107.

[0048] Specifically, the driving device 102 includes a driving motor 126, a driving gear 127 and a driven gear 128. The driving motor 126 is mounted on the moving plate 124 and the driving gear 127 is connected to the output end of the driving motor 126; the driven gear 128 is mounted on the cover 129, and the driving gear 127 is meshed with the driven gear 128. The driven gear 128 is coaxially sleeved on the cover 129. When the driving motor 126 drives the driving gear 127 to rotate, the driving gear 127 drives the driven gear 128 meshed with the driving gear 127 and the cover 129 fixedly connected to the driven gear 128 to rotate, so that the grinding sheet 104 mounted on the bottom end of the cover 129 can grind the metal.

[0049] The telescopic rod described in this embodiment is a hydraulic telescopic mechanism commonly used in the prior art, and this embodiment will not further elaborate on its structure and function.

[0050] Although the preferred embodiments of the present invention have been described, those skilled in the art may make other changes and modifications to these embodiments once they have learned the basic creative concept. Therefore, the appended claims are intended to be interpreted as including the preferred embodiments and all changes and modifications falling within the scope of the present invention.

[0051] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. It should be pointed out that any modifications, equivalent substitutions and improvements 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 material composite electrodeposition grinding device, comprising a telescopic device (101), a driving device (102) and an air intake device (103), characterized in that: Also includes: A grinding sheet (104), wherein a grinding tooth (105) is fixedly connected to the bottom end of the grinding sheet (104); A cover body (129), wherein the cover body (129) is mounted on the polishing sheet (104), a first air cavity (107) is formed between the cover body (129) and the polishing sheet (104), and a heat dissipation hole (106) communicating with the first air cavity (107) is provided on the cover body (129); An air outlet portion (108), the air outlet portion (108) being mounted on the grinding plate (104), a second air cavity (109) being arranged in the air outlet portion (108), the second air cavity (109) being communicated with the first air cavity (107), and an exhaust hole (110) being communicated with the second air cavity (109) being arranged on the air outlet portion (108); A blocking mechanism (111) for blocking the heat dissipation hole (106) or the exhaust hole (110) is slidably mounted on the grinding sheet (104); the driving device (102) is used to drive the cover body (129) to rotate; the air intake device (103) is rotatably connected to the cover body (129) and is used to introduce gas into the first air cavity (107); the driving device (102) is used to drive the cover body (129) to rotate; and the telescopic device (101) is used to drive the cover body (129) to move vertically.

2. The metal material composite electrodeposition polishing device according to claim 1, characterized in that: The blocking mechanism (111) comprises an extrusion assembly (112) and an airbag assembly (113); the airbag assembly (113) is fixedly mounted in the first air cavity (107); the extrusion assembly (112) is slidably mounted in the first air cavity (107); a through hole (114) is provided on the extrusion assembly (112); and the extrusion assembly (112) is used to block the heat dissipation hole (106) or the exhaust hole (110) in cooperation with the airbag assembly (113).

3. The metal material composite electrodeposition polishing device according to claim 2, characterized in that: The extrusion assembly (112) comprises a sliding rod (115) and a pressing plate (116), wherein the sliding rod (115) is slidably mounted on the grinding sheet (104), one end of the sliding rod (115) located in the first air cavity (107) is fixedly connected to a stopper (117), the through hole (114) is arranged on the stopper (117), and the extrusion plate (116) is fixedly connected to the stopper (117) and is used to extrude the airbag assembly (113).

4. The metal material composite electrodeposition polishing device according to claim 3, characterized in that: A ball cavity is provided at one end of the sliding rod (115) located outside the first air cavity (107), and a ball (118) is rotatably installed in the ball cavity.

5. The metal material composite electrodeposition polishing device according to claim 4, characterized in that: A guide rod (119) is fixedly connected to the pressure plate (116), and the guide rod (119) is slidably mounted on the cover body (129).

6. The metal material composite electrodeposition polishing device according to claim 5, characterized in that: The stopper (117) is connected to a spring, and the stopper (117) is connected to the first air cavity (107) via the spring.

7. The metal material composite electrodeposition polishing device according to claim 3, characterized in that: The airbag assembly (113) comprises a first airbag (120) and a second airbag (121); the first airbag (120) is fixedly installed in the first air cavity (107); an air tube (122) is connected to the first airbag (120); the second airbag (121) is connected to the first airbag (120) via the air tube (122); and the second airbag (121) is used to block the second air cavity (109).

8. The metal material composite electrodeposition polishing device according to claim 1, characterized in that: The telescopic device (101) comprises a support frame, a telescopic rod (123) and a movable plate (124); the fixed end of the telescopic rod (123) is connected to the support frame; the movable plate (124) is fixedly connected to the telescopic end of the telescopic rod (123); and the air intake device (103) of the driving device (102) is mounted on the movable plate (124).

9. The metal material composite electrodeposition polishing device according to claim 1, characterized in that: The air intake device (103) comprises an air pump (125) and a rotary joint, wherein the rotary joint is installed at the air outlet of the air pump (125) and an air passage is arranged inside the rotary joint, and the fixed end of the telescopic device (101) is used to be connected to a support frame; the telescopic end of the telescopic device (101) is connected to a movable plate (124), the air pump (125) is installed on the movable plate (124) and one end of the air pump (125) away from the movable plate (124) is rotatably installed on a cover body (129), and the air pump (125) is used to transport gas into the first air cavity (107).

10. The metal material composite electrodeposition polishing device according to claim 9, characterized in that: The driving device (102) comprises a driving motor (126), a driving gear (127) and a driven gear (128); the driving motor (126) is mounted on the moving plate (124) and the driving gear (127) is connected to the output end of the driving motor (126); the driven gear (128) is mounted on the cover (129), and the driving gear (127) is meshed with the driven gear (128).

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