Surface accurate grinding and polishing device for automobile decorating part

Abstract

The invention discloses a surface accurate grinding and polishing device of an automobile decorating part, and relates to the technical field of automobile decorating part machining, the surface accurate grinding and polishing device of the automobile decorating part comprises a main body, a servo motor is fixedly installed on the rear portion of the main body, and a first electric push rod is fixedly installed in the main body; a guide rod is fixedly mounted at the output end of the servo motor and rotationally penetrates through the main body, a mounting groove is formed in the top of the main body, a clamping device is arranged in the main body, a protection device is arranged at the top of the main body, a polishing device and a rotating handle are arranged at the top of the main body, and the handle rotates to drive a threaded rod to rotate. The threaded rod rotates to drive the moving plate to move, the moving plate moves to drive the short rod to move, the short rod moves to drive the pressing plate to move, the pressing plate moves to make contact with the automobile decorating part, and the moving plate continues to move to make the short rod move relative to the moving plate.

Description

Technical Field

[0001] The invention relates to the technical field of automobile decorative parts processing, in particular to a surface fine grinding and polishing device for automobile decorative parts. Background Art

[0002] Polishing of automotive trim is an important process that can enhance the vehicle's appearance, protect the surface and extend its service life.

[0003] The patent with the patent announcement number CN105856046B relates to a polishing machine for automobile luggage racks, which belongs to the field of automobile decorative parts processing. It includes a number of polishing components, a slide component, a transmission component and a flipping mechanism. The polishing component includes a polishing roller assembly and a shock-absorbing seat. The polishing roller assembly is detachably arranged on the shock-absorbing seat. Several of the polishing components form a combination of coarse grinding and fine grinding of the product; the transmission component includes a bracket and a number of transmission tables slidably arranged on the bracket. Several of the transmission tables are layered to form alternating high and low matching transportation; the flipping mechanism includes a rotating positioning mechanism and a driving device for placing the product. This patent realizes automated polishing and grinding by integrating the polishing component, the slide component, the transmission component and the flipping mechanism, which has high efficiency, stable quality and low operation intensity; The above patent solves the problem of automated polishing and grinding with high efficiency, stable quality and strong operation, but does not take into account the problem that when clamping the workpiece, excessive clamping force on the workpiece may cause damage to the workpiece surface or deformation of the workpiece. Summary of the invention

[0004] In view of the deficiencies in the prior art, the present invention provides a surface fine grinding and polishing device for automobile decorative parts, which solves the problems raised in the above-mentioned background technology.

[0005] To achieve the above objectives, the present invention is implemented through the following technical solutions: a surface fine grinding and polishing device for automobile decorative parts, comprising a main body, a servo motor is fixedly installed at the rear of the main body, an electric push rod No. 1 is fixedly installed inside the main body, a guide rod is fixedly installed at the output end of the servo motor, the guide rod rotates and penetrates the main body, a mounting groove is opened on the top of the main body, a clamping device is arranged inside the main body, a protective device is arranged on the top of the main body, and a polishing device is arranged on the top of the main body; The clamping device includes a base plate, a mounting platform, a movable plate, a pressing plate, a short rod, a horizontal rod, a vertical rod, a pressing rod, a movable rod, a sliding plate, a block, a handle, a threaded rod and a fixed plate. The base plate is slidably mounted inside the mounting groove, the output end of the electric push rod No. 1 is fixedly mounted on the front of the base plate, the mounting platform is slidably mounted on the top of the base plate, the guide rod rotates through the mounting platform, a movable groove is opened on the top of the mounting platform, one end of the threaded rod is rotatably mounted inside the movable groove, the threaded rod rotates through the front of the mounting platform, the handle is fixedly mounted on the other end of the threaded rod, the fixed plate is fixedly mounted on the top of the mounting platform, the movable plate is slidably mounted on the top of the mounting platform, and the movable plate and The threaded rod is threadedly connected, the cross bar is slidably installed on the front part of the movable plate, the vertical bar is slidably installed on the front part of the movable plate, the short rod slides through the movable plate, the pressing plate is fixedly installed at the rear of the short rod, a limiting groove is provided on the top of the movable plate, the pressing rod is slidably installed inside the limiting groove, the left and right sides of the movable plate are provided with open grooves, a sliding groove is provided inside the open groove, the movable rod is slidably installed inside the sliding groove, the sliding plate is fixedly installed on the side of the movable rod away from the pressing rod, the block is arranged inside the mounting table, and the clamping device is provided to achieve the clamping of the automobile decorative parts, so as to prevent the automobile decorative parts from being processed due to failure in being clamped, thereby preventing waste.

[0006] According to the above technical solution, a spring is fixedly installed between the movable plate and the pressing plate, the side of the cross bar close to the short bar is set as an inclined surface, the side of the cross bar close to the vertical bar is set as an inclined surface, and the side of the vertical bar close to the cross bar is set as an inclined surface. The vertical bar is in contact with the cross bar. Through this arrangement, the automobile decorative parts are prevented from being clamped too tightly, causing damage to the surface of the automobile decorative parts, thereby reducing the scrap rate of the workpieces.

[0007] According to the above technical solution, the bottom of the block is set as a curved surface, a thread is opened on the bottom of the block, and a reciprocating thread groove is opened on the circumferential surface of the guide rod. The thread of the block contacts the reciprocating thread groove on the circumferential surface of the guide rod, so that when processing automobile decorative parts, the mounting plate can move back and forth, thereby increasing the contact area between the automobile decorative parts and the frosting belt and improving work efficiency.

[0008] According to the above technical scheme, the protective device includes an extrusion plate, a return spring, a fixed block, a bevel block, a limit rod, a baffle and a mounting frame. A groove is opened inside the mounting groove, and the extrusion plate is slidably installed inside the groove. One end of the return spring is fixedly installed between the extrusion plate and the main body, the fixed block is fixedly installed on the top of the extrusion plate, the fixed block slides through the top of the main body, the bevel block is slidably installed on the top of the main body, the limit rod is fixedly installed on the top of the bevel block, the mounting frame is fixedly installed on the top of the main body, and the baffle is fixedly installed on the side of the mounting frame close to the limit rod. By setting the protective device, it can be achieved that only when the automobile decorative parts are clamped, the protective device will release the limit on the polishing device, allowing the polishing device to work, avoiding polishing and grinding when the automobile decorative parts are not clamped or there are no automobile decorative parts on the surface of the mounting table, avoiding unnecessary damage.

[0009] According to the above technical solution, the extrusion plate is in contact with the sliding plate, a slope is provided on the front of the extrusion plate, and a slope is provided on the side of the slope block close to the fixed block. The contact between the extrusion plate and the sliding plate is used to determine whether the workpiece on the surface of the mounting plate is clamped, thereby controlling whether the protective device releases the limit on the polishing device.

[0010] According to the above technical solution, a spring sheet is fixedly installed between the limit rod and the baffle, the extrusion plate is in contact with the sliding plate, and the fixed block is in contact with the inclined block. By setting the spring sheet, the limit rod can be reset after the polishing device completes the work and resets, so as to continue to limit the polishing device.

[0011] According to the above technical scheme, the polishing device includes a mounting plate, an electric push rod No. 2, a driving motor, a driving shaft, a belt, a transmission shaft, a roller, a grinding belt, a turntable, a connecting rod, a fixed rod, an electrostatic block, a telescopic rod, a metal block, a friction block, a collecting trough and a curved plate. The electric push rod No. 2 is fixedly mounted on the top of the mounting frame, the mounting plate is fixedly mounted on the output end of the electric push rod No. 2, the driving motor is fixedly mounted on the top of the mounting plate, the driving shaft is fixedly mounted on the output end of the driving motor, the transmission shaft rotates through the mounting plate, the belt is arranged on the circumferential surface of the driving shaft and the transmission shaft, the roller is fixedly mounted on the circumferential surface of the transmission shaft, the grinding belt is arranged on the circumferential surface of the roller, the turntable is fixedly mounted on the rear of the transmission shaft, and the connecting rod is rotatably mounted At the rear of the turntable, the electrostatic block is fixedly mounted on the rear of the mounting plate, the friction block is slidably mounted inside the electrostatic block, one end of the fixed rod is fixedly mounted on the rear of the friction block, the other end of the fixed rod is rotatably mounted on the front of the connecting rod, the collecting trough is rotatably mounted on the bottom of the electrostatic block, one end of the telescopic rod is rotatably mounted on the bottom of the mounting frame, the other end of the telescopic rod is rotatably mounted on the rear of the collecting trough, the curved plate is slidably mounted inside the collecting trough, the metal block is fixedly mounted on the bottom of the mounting frame, and the bottom, by arranging a polishing device, the automotive decorative parts can be polished and polished, and at the same time, the friction block and the electrostatic block are rubbed so that the electrostatic block has static electricity, thereby adsorbing dust floating in the air during operation to prevent dust floating in the air from polluting the environment.

[0012] According to the above technical solution, the electrostatic block is in contact with the metal block, the bottom of the collection tank is set as a curved surface, and the curved plate is fitted with the curved surface. Through the collection tank, the dust that is not adsorbed on the surface of the electrostatic block with static electricity can be collected after the polishing device completes its work.

[0013] The present invention provides a surface fine grinding and polishing device for automobile decorative parts. It has the following beneficial effects: (1) In the present invention, the handle is rotated, and the rotation of the handle drives the threaded rod to rotate. The rotation of the threaded rod drives the moving plate to move. The movement of the moving plate drives the short rod to move. The movement of the short rod drives the pressing plate to move. The pressing plate moves and contacts the automobile decorative part. The moving plate continues to move so that the short rod moves relative to the moving plate. The movement of the short rod contacts the inclined surface of the cross bar. The movement of the short rod drives the movement of the cross bar. The movement of the cross bar contacts the vertical bar. The cross bar continues to move and drives the vertical bar to move. The vertical bar moves into the limiting groove to limit the moving plate, thereby avoiding excessive force on the automobile decorative part, which may cause damage or deformation to the surface of the automobile decorative part.

[0014] (2) In the invention, the electric push rod No. 1 is started to push the base to move, and the movement of the base drives the installation platform to move. The movement of the installation platform causes the sliding plate to contact the extrusion plate. The installation platform continues to move so that the extrusion plate moves under force. The movement of the extrusion plate drives the fixed block to move. The fixed block moves and contacts the inclined block. The movement of the fixed block drives the inclined block to move. The movement of the inclined block drives the limit rod to move. The movement of the limit rod releases the limit on the installation plate, preventing the automobile decorative parts from being polished and ground when they are not clamped, thereby avoiding unnecessary damage. At the same time, the thread at the bottom of the block contacts the reciprocating thread groove on the guide rod, so that the contact area between the frosting belt and the automobile decorative parts is increased, thereby improving work efficiency.

[0015] (3) In this invention, the electric push rod No. 2 is started to move the mounting plate, the movement of the mounting plate drives the roller to move, the movement of the roller drives the sanding belt to move, the movement of the mounting plate drives the electrostatic block to move, the movement of the electrostatic block causes the telescopic rod to move, the movement of the electrostatic block drives the collection tank to move, the electrostatic block continues to move so that the telescopic rod pulls the collection tank to rotate, the collection tank rotates to move the curved plate, and at the same time the drive motor is started, the drive motor is started to rotate the drive shaft, the rotation of the drive shaft drives the belt to move, the movement of the belt drives the transmission shaft to rotate, the rotation of the transmission shaft drives the roller to rotate, the rotation of the roller drives the sanding belt to move, the movement of the sanding belt drives the turntable to rotate The rotation of the turntable drives the connecting rod to rotate, the rotation of the connecting rod drives the fixed rod to move, the movement of the fixed rod drives the friction block to move, the movement of the friction block rubs with the electrostatic block to generate static electricity, when the frosting belt moves and contacts the surface of the car decorative parts, the electric push rod No. 2 stops moving, the frosting belt polishes and grinds the car decorative parts, and at the same time drives the electrostatic block to absorb the dust floating in the air when the car decorative parts are polished, to prevent the dust generated in the air during work from polluting the environment, after the work is completed, the electric push rod No. 2 drives each structure to reset, and the collection slot collects the dust on the electrostatic block to prevent the dust from falling and polluting the environment. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a schematic diagram of the overall structure of the present invention; Figure 2 It is a schematic diagram of the position structure of the clamping device of the present invention; Figure 3 This is a schematic diagram of the block position structure of the present invention; Figure 4 This is a schematic diagram of the position structure of the pressing rod of the present invention; Figure 5 This is a schematic diagram of the position structure of the protection device of the present invention; Figure 6 It is a schematic diagram of the position structure of the polishing device of the present invention; Figure 7 It is a schematic diagram of the friction block position structure of the present invention.

[0017] In the figure: 1, main body; 2, servo motor; 3, electric push rod No. 1; 4, guide rod; 501, bottom plate; 502, mounting table; 503, moving plate; 504, pressing plate; 505, short rod; 506, horizontal rod; 507, vertical rod; 508, pressing rod; 509, moving rod; 510, sliding plate; 511, block; 512, handle; 513, threaded rod; 514, fixed plate; 601, extrusion plate; 602, return spring; 603, fixed block; 604 , inclined plane block; 605, limit rod; 606, baffle; 607, mounting frame; 701, mounting plate; 702, electric push rod No. 2; 703, driving motor; 704, driving shaft; 705, belt; 706, transmission shaft; 707, roller; 708, frosting belt; 709, turntable; 710, connecting rod; 711, fixing rod; 712, electrostatic block; 713, telescopic rod; 714, metal block; 715, friction block; 716, collecting tank; 717, curved plate. DETAILED DESCRIPTION

[0018] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0019] See also Figure 1-Figure 6 , one embodiment of the present invention is: a surface fine grinding and polishing device for automobile decorative parts, comprising a main body 1, a servo motor 2 is fixedly installed at the rear of the main body 1, an electric push rod 3 is fixedly installed inside the main body 1, a guide rod 4 is fixedly installed at the output end of the servo motor 2, the guide rod 4 rotates and penetrates the main body 1, a mounting groove is opened on the top of the main body 1, a clamping device is arranged inside the main body 1, and a protective device is arranged on the top of the main body 1; The clamping device includes a base plate 501, a mounting platform 502, a movable plate 503, a pressing plate 504, a short rod 505, a horizontal rod 506, a vertical rod 507, a pressing rod 508, a movable rod 509, a sliding plate 510, a block 511, a handle 512, a threaded rod 513 and a fixed plate 514. The base plate 501 is slidably installed inside the mounting groove, the output end of the electric push rod No. 1 3 is fixedly installed on the front of the base plate 501, the mounting platform 502 is slidably installed on the top of the base plate 501, the guide rod 4 rotates through the mounting platform 502, a movable groove is opened on the top of the mounting platform 502, one end of the threaded rod 513 is rotatably installed inside the movable groove, the threaded rod 513 rotates through the front of the mounting platform 502, the handle 512 is fixedly installed on the other end of the threaded rod 513, the fixed plate 514 is fixedly installed on the top of the mounting platform 502, and the movable plate 503 slides and is installed. Installed on the top of the mounting platform 502, the movable plate 503 is threadedly connected with the threaded rod 513, the cross bar 506 is slidably installed on the front of the movable plate 503, the vertical rod 507 is slidably installed on the front of the movable plate 503, the short rod 505 slides through the movable plate 503, the pressing plate 504 is fixedly installed at the rear of the short rod 505, a limiting groove is provided on the top of the movable plate 503, the pressing rod 508 is slidably installed inside the limiting groove, the movable plate 503 is provided with open grooves on the left and right sides, a slide groove is provided inside the open groove, the movable rod 509 is slidably installed inside the slide groove, the sliding plate 510 is fixedly installed on the side of the movable rod 509 away from the pressing rod 508, and the block 511 is arranged inside the mounting platform 502. The clamping device is provided to achieve the clamping of the automobile decorative parts, so as to prevent the automobile decorative parts from failing in processing due to not being clamped, thereby causing waste.

[0020] A spring is fixedly installed between the movable plate 503 and the pressing plate 504, the side of the cross bar 506 close to the short rod 505 is set as an inclined surface, the side of the cross bar 506 close to the vertical rod 507 is set as an inclined surface, and the side of the vertical rod 507 close to the cross bar 506 is set as an inclined surface. The vertical rod 507 is in contact with the cross bar 506. Through this arrangement, the automobile decorative parts are prevented from being clamped too tightly, causing damage to the surface of the automobile decorative parts, thereby reducing the scrap rate of the workpieces.

[0021] The bottom of the block 511 is set as a curved surface, a thread is opened at the bottom of the block 511, and a reciprocating thread groove is opened on the circumferential surface of the guide rod 4. The thread of the block 511 contacts the reciprocating thread groove on the circumferential surface of the guide rod 4, so that when processing automobile decorative parts, the mounting table 502 can move back and forth, thereby increasing the contact area between the automobile decorative parts and the frosting belt 708 and improving work efficiency.

[0022] The protective device includes an extrusion plate 601, a return spring 602, a fixed block 603, a ramp block 604, a limit rod 605, a baffle 606 and a mounting frame 607. A groove is provided inside the mounting groove, and the extrusion plate 601 is slidably installed inside the groove. One end of the return spring 602 is fixedly installed between the extrusion plate 601 and the main body 1. The fixed block 603 is fixedly installed on the top of the extrusion plate 601, and the fixed block 603 slides through the top of the main body 1. The ramp block 604 is slidably installed on the top of the main body 1. The limit rod 605 is fixedly installed on the top of the ramp block 604, the mounting frame 607 is fixedly installed on the top of the main body 1, and the baffle 606 is fixedly installed on the side of the mounting frame 607 close to the limit rod 605. By setting the protective device, it can be achieved that only when the automobile decorative parts are clamped, the protective device will release the limit on the polishing device, so that the polishing device can work, avoiding polishing and grinding when the automobile decorative parts are not clamped or there are no automobile decorative parts on the surface of the mounting table 502, avoiding unnecessary damage.

[0023] The extrusion plate 601 is in contact with the sliding plate 510, and a bevel is provided on the front of the extrusion plate 601. A bevel is provided on the side of the bevel block 604 close to the fixed block 603. The contact between the extrusion plate 601 and the sliding plate 510 is used to determine whether the workpiece on the surface of the mounting table 502 is clamped, thereby controlling whether the protective device releases the limit on the polishing device.

[0024] A spring piece is fixedly installed between the limit rod 605 and the baffle 606, the extrusion plate 601 is in contact with the sliding plate 510, and the fixed block 603 is in contact with the inclined block 604. By setting the spring piece, the limit rod 605 is reset after the polishing device completes the work and resets, and the polishing device continues to be limited.

[0025] When this embodiment is working, the automobile decoration is placed on the top of the mounting platform 502, and the handle 512 is turned. The rotation of the handle 512 drives the threaded rod 513 to rotate, and the rotation of the threaded rod 513 drives the moving plate 503 to move. The movement of the moving plate 503 drives the short rod 505 to move. The movement of the short rod 505 drives the pressing plate 504 to move. The pressing plate 504 moves and contacts the automobile decoration. The moving plate 503 continues to move so that the short rod 505 moves relative to the moving plate 503. The short rod 505 moves and contacts the inclined surface of the cross bar 506. The short rod 505 moves. The horizontal rod 506 is driven to move, and the horizontal rod 506 moves and contacts with the vertical rod 507. The horizontal rod 506 continues to move and drives the vertical rod 507 to move. The vertical rod 507 moves into the limiting groove to limit the movable plate 503. When the vertical rod 507 moves into the limiting groove, the vertical rod 507 contacts with the pressing rod 508. The vertical rod 507 moves and drives the pressing rod 508 to move. The pressing rod 508 moves and contacts with the movable rod 509. The pressing rod 508 continues to move and drives the movable rod 509 to move. The movable rod 509 moves and drives the sliding plate 510 to move.

[0026] After installing the automobile decoration parts, turn on the power and start the electric push rod No. 1 3. The electric push rod No. 1 3 starts to push the base plate 501 to move. The movement of the base plate 501 drives the mounting platform 502 to move. The mounting platform 502 moves so that the sliding plate 510 contacts the extrusion plate 601. The mounting platform 502 continues to move so that the extrusion plate 601 moves under force. The extrusion plate 601 moves and drives the fixed block 603 to move. The fixed block 603 moves and contacts the inclined surface block 604. The fixed block 603 moves and drives the inclined surface block 604 to move. The inclined surface block 604 moves and drives the limit rod 605 to move. The limit rod 605 moves to release the limit on the mounting plate 701. At the same time, the thread at the bottom of the block 511 contacts the reciprocating thread groove on the guide rod 4. Start the servo motor 2. The servo motor 2 starts to drive the guide rod 4 to rotate. The guide rod 4 rotates to make the block 511 reciprocate. The reciprocating movement of the block 511 drives the mounting platform 502 to move.

[0027] See also Figure 1-Figure 7 On the basis of the above embodiment, in another embodiment of the present invention: a polishing device is arranged on the top of the main body 1, and the polishing device includes a mounting plate 701, an electric push rod No. 2 702, a driving motor 703, a driving shaft 704, a belt 705, a transmission shaft 706, a roller 707, a grinding belt 708, a turntable 709, a connecting rod 710, a fixing rod 711, an electrostatic block 712, a telescopic rod 713, a metal block 714, a friction block 715, a collecting tank 716 and a curved plate 717, and an electric push rod 703, a driving motor 704, a driving shaft 704, a belt 705, a transmission shaft 706, a roller 707, a grinding belt 708, a turntable 709, a connecting rod 710, a fixing rod 711, an electrostatic block 712, a telescopic rod 713, a metal block 714, a friction block 715, a collecting tank 716 and a curved plate 717, The electric push rod No. 2 702 is fixedly mounted on the top of the mounting frame 607, the mounting plate 701 is fixedly mounted on the output end of the electric push rod No. 2 702, the driving motor 703 is fixedly mounted on the top of the mounting plate 701, the driving shaft 704 is fixedly mounted on the output end of the driving motor 703, the transmission shaft 706 rotates and penetrates the mounting plate 701, the belt 705 is arranged on the circumferential surfaces of the driving shaft 704 and the transmission shaft 706, the roller 707 is fixedly mounted on the circumferential surface of the transmission shaft 706, and the frosting belt 708 is arranged on the roller 7 07 circumferential surface, turntable 709 is fixedly mounted on the rear of transmission shaft 706, connecting rod 710 is rotatably mounted on the rear of turntable 709, electrostatic block 712 is fixedly mounted on the rear of mounting plate 701, friction block 715 is slidably mounted inside electrostatic block 712, one end of fixed rod 711 is fixedly mounted on the rear of friction block 715, the other end of fixed rod 711 is rotatably mounted on the front of connecting rod 710, collecting tank 716 is rotatably mounted on the bottom of electrostatic block 712, one end of telescopic rod 713 is rotatably mounted on the bottom of mounting frame 607, the other end of telescopic rod 713 is rotatably mounted on the rear of collecting tank 716, curved plate 717 is slidably mounted inside collecting tank 716, metal block 714 is fixedly mounted on the bottom of mounting frame 607, and a polishing device is provided to polish and grind automobile decorative parts. At the same time, friction block 715 and electrostatic block 712 are rubbed to make electrostatic block 712 have static electricity, so that dust floating in the air is adsorbed during operation to prevent dust floating in the air from polluting the environment.

[0028] The electrostatic block 712 is in contact with the metal block 714, the bottom of the collection groove 716 is set as a curved surface, and the curved plate 717 is in contact with the curved surface. Through the collection groove 716, the dust adsorbed on the surface of the electrostatic block 712 which no longer has static electricity can be collected after the polishing device completes its work.

[0029] When the present embodiment is working, when the limit of the mounting plate 701 is released, the electric push rod No. 2 702 is started, the electric push rod No. 2 702 is started to drive the mounting plate 701 to move, the mounting plate 701 moves to drive the roller 707 to move, the roller 707 moves to drive the frosting belt 708 to move, the mounting plate 701 moves to drive the electrostatic block 712 to move, the electrostatic block 712 moves to move the telescopic rod 713, the electrostatic block 712 moves to drive the collecting tank 716 to move, the electrostatic block 712 continues to move to make the telescopic rod 713 pull the collecting tank 716 to rotate, the collection tank 716 rotates to move the curved plate 717, and at the same time the drive motor 703 is started, the drive motor 703 is started to make the drive shaft 704 rotate, the drive shaft 704 rotates to drive the belt 705 to move, the belt 705 moves The drive shaft 706 is driven to rotate, the drive shaft 706 drives the roller 707 to rotate, the roller 707 drives the frosting belt 708 to move, the frosting belt 708 moves and drives the turntable 709 to rotate, the turntable 709 drives the connecting rod 710 to rotate, the connecting rod 710 drives the fixed rod 711 to move, the fixed rod 711 drives the friction block 715 to move, the friction block 715 moves and rubs with the electrostatic block 712 to generate static electricity, when the frosting belt 708 moves and contacts the surface of the automobile decoration, the electric push rod No. 2 702 stops moving, the frosting belt 708 polishes and grinds the automobile decoration, and at the same time, the electrostatic block 712 driven by static electricity absorbs the dust floating in the air when the automobile decoration is polished. After the work is completed, the electric push rod No. 2 702 drives each structure to reset.

[0030] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A surface fine grinding and polishing device for automobile decorative parts, comprising a main body (1), characterized in that: A servo motor (2) is fixedly mounted on the rear of the main body (1), an electric push rod No. 1 (3) is fixedly mounted inside the main body (1), a guide rod (4) is fixedly mounted on the output end of the servo motor (2), the guide rod (4) rotatably penetrates the main body (1), a mounting groove is provided on the top of the main body (1), a clamping device is provided inside the main body (1), a protective device is provided on the top of the main body (1), and a polishing device is provided on the top of the main body (1); The clamping device comprises a base plate (501), a mounting platform (502), a movable plate (503), a pressing plate (504), a short rod (505), a horizontal rod (506), a vertical rod (507), a pressing rod (508), a movable rod (509), a sliding plate (510), a block (511), a handle (512), a threaded rod (513) and a fixing plate (514). The base plate (501) is slidably mounted inside the mounting groove. The output of the electric push rod No. 1 (3) The outlet end is fixedly mounted on the front of the base plate (501), the mounting platform (502) is slidably mounted on the top of the base plate (501), the guide rod (4) is rotatably mounted to penetrate the mounting platform (502), a movable groove is provided on the top of the mounting platform (502), one end of the threaded rod (513) is rotatably mounted inside the movable groove, the threaded rod (513) is rotatably mounted to penetrate the front of the mounting platform (502), the handle (512) is fixedly mounted on the other end of the threaded rod (513), the fixed plate (514) is fixedly mounted on the top of the mounting platform (502), the movable plate (503) is slidably mounted on the top of the mounting platform (502), the movable plate (503) is threadedly connected to the threaded rod (513), the cross rod (506) is slidably mounted on the front of the movable plate (503), the vertical rod (507) is slidably mounted on the front of the movable plate (503), the short rod (505) is slidably mounted to penetrate the movable plate (503), and the pressing plate (504) is fixedly mounted on the short rod (505) rear part, a limiting groove is provided on the top of the movable plate (503), the pressing rod (508) is slidably installed inside the limiting groove, the movable plate (503) has opening grooves on the left and right sides, a sliding groove is provided inside the opening groove, the movable rod (509) is slidably installed inside the sliding groove, the sliding plate (510) is fixedly installed on the side of the movable rod (509) away from the pressing rod (508), and the block (511) is set inside the mounting platform (502).

2. The surface finishing and polishing device for automobile decorative parts according to claim 1, characterized in that: A spring is fixedly installed between the movable plate (503) and the pressing plate (504); a side of the cross bar (506) close to the short bar (505) is set as an inclined surface; a side of the cross bar (506) close to the vertical bar (507) is set as an inclined surface; a side of the vertical bar (507) close to the cross bar (506) is set as an inclined surface; and the vertical bar (507) is in contact with the cross bar (506).

3. The surface finishing and polishing device for automobile decorative parts according to claim 2, characterized in that: The bottom of the block (511) is arranged as a curved surface, a thread is provided on the bottom of the block (511), and a reciprocating thread groove is provided on the circumferential surface of the guide rod (4).

4. The surface finishing and polishing device for automobile decorative parts according to claim 3, characterized in that: The protective device comprises an extrusion plate (601), a return spring (602), a fixed block (603), an inclined block (604), a limiting rod (605), a baffle (606) and a mounting frame (607); a groove is provided inside the mounting groove, the extrusion plate (601) is slidably mounted inside the groove, one end of the return spring (602) is fixedly mounted between the extrusion plate (601) and the main body (1), the fixed block (603) is fixedly mounted on the top of the extrusion plate (601), the fixed block (603) slides through the top of the main body (1), the inclined block (604) is slidably mounted on the top of the main body (1), the limiting rod (605) is fixedly mounted on the top of the inclined block (604), the mounting frame (607) is fixedly mounted on the top of the main body (1), and the baffle (606) is fixedly mounted on a side of the mounting frame (607) close to the limiting rod (605).

5. The surface finishing and polishing device for automobile decorative parts according to claim 4, characterized in that: The extrusion plate (601) is in contact with the sliding plate (510), a slope is provided at the front of the extrusion plate (601), and a slope is provided at a side of the slope block (604) close to the fixed block (603).

6. The surface finishing and polishing device for automobile decorative parts according to claim 5, characterized in that: A spring sheet is fixedly installed between the limiting rod (605) and the baffle plate (606), the extrusion plate (601) is in contact with the sliding plate (510), and the fixed block (603) is in contact with the inclined surface block (604).

7. The surface finishing and polishing device for automobile decorative parts according to claim 6, characterized in that: The polishing device comprises a mounting plate (701), a second electric push rod (702), a driving motor (703), a driving shaft (704), a belt (705), a transmission shaft (706), a roller (707), a grinding belt (708), a turntable (709), a connecting rod (710), a fixing rod (711), an electrostatic block (712), a telescopic rod (713), a metal block (714), a friction block (715), a collecting tank (716) and a curved plate (717). The second electric push rod (702) is fixedly mounted on the top of the mounting frame (607), the mounting plate (701) is fixedly mounted on the output end of the electric push rod No. 2 (702), the driving motor (703) is fixedly mounted on the top of the mounting plate (701), the driving shaft (704) is fixedly mounted on the output end of the driving motor (703), the transmission shaft (706) rotates and penetrates the mounting plate (701), the belt (705) is arranged on the circumferential surface of the driving shaft (704) and the transmission shaft (706), and the roller (706) is provided on the circumferential surface of the driving shaft (704) and the transmission shaft (706). 07) is fixedly mounted on the circumferential surface of the transmission shaft (706), the abrasive belt (708) is arranged on the circumferential surface of the roller (707), the turntable (709) is fixedly mounted on the rear of the transmission shaft (706), the connecting rod (710) is rotatably mounted on the rear of the turntable (709), the electrostatic block (712) is fixedly mounted on the rear of the mounting plate (701), the friction block (715) is slidably mounted inside the electrostatic block (712), and one end of the fixed rod (711) is fixedly mounted on the friction block (7 15) at the rear, the other end of the fixed rod (711) is rotatably mounted on the front of the connecting rod (710), the collecting tank (716) is rotatably mounted on the bottom of the electrostatic block (712), one end of the telescopic rod (713) is rotatably mounted on the bottom of the mounting frame (607), the other end of the telescopic rod (713) is rotatably mounted on the rear of the collecting tank (716), the curved panel (717) is slidably mounted inside the collecting tank (716), and the metal block (714) is fixedly mounted on the bottom of the mounting frame (607).

8. The surface finishing and polishing device for automobile decorative parts according to claim 7, characterized in that: The electrostatic block (712) is in contact with the metal block (714), the bottom of the collecting tank (716) is configured as a curved surface, and the curved plate (717) is fitted with the curved surface.

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