阅读说明：本技术 一种工件表面静电喷涂与静电消除装置 (Workpiece surface electrostatic spraying and static elimination device ) 是由 张皓迪 于 2020-08-07 设计创作，主要内容包括：本发明公开了一种工件表面静电喷涂与静电消除装置,包括机体,所述机体内设置有工作腔,所述工作腔左右侧设置有工件进出口,所述工作腔内设置有用于使工件摩擦起电并对其表面进行清理的摩擦起电组件,所述摩擦起电组件包括与所述工作腔前侧内壁左右滑动配合的移动板,该装置工作时,能够通过摩擦起电组件使工件带电并对其表面进行清洁,能够通过静电喷涂组件对工件表面进行喷涂,增强了喷涂的均匀性,能够通过静电消除组件使工件带有的静电进行消除,提高了静电消除效率,降低由静电产生的影响。(The invention discloses a workpiece surface electrostatic spraying and electrostatic eliminating device which comprises a machine body, wherein a working cavity is arranged in the machine body, a workpiece inlet and a workpiece outlet are formed in the left side and the right side of the working cavity, a friction electrification component for enabling a workpiece to be subjected to friction electrification and cleaning the surface of the workpiece is arranged in the working cavity, the friction electrification component comprises a moving plate which is in sliding fit with the inner wall of the front side of the working cavity in the left-right direction, when the device works, the workpiece can be electrified through the friction electrification component and the surface of the workpiece can be cleaned, the workpiece surface can be sprayed through an electrostatic spraying component, the spraying uniformity is enhanced, static electricity carried by the workpiece can be eliminated through the electrostatic eliminating component, the electrostatic eliminating efficiency is improved, and the influence generated by the static electricity is reduced.)

1. The utility model provides a workpiece surface electrostatic spraying and electrostatic elimination device, includes the organism, its characterized in that: a working cavity is arranged in the machine body, a workpiece inlet and a workpiece outlet are arranged on the left side and the right side of the working cavity, a friction electrification assembly used for enabling the workpiece to be in friction electrification and cleaning the surface of the workpiece is arranged in the working cavity, the friction electrification assembly comprises a moving plate which is in sliding fit with the inner wall of the front side of the working cavity in a left-right mode, a reset spring fixedly installed on the inner wall of the left side of the working cavity is arranged at the left end of the moving plate, the inner walls of the front side and the rear side of the working cavity are rotatably connected with a connecting shaft, a friction wheel capable of enabling the workpiece to be in friction electrification and cleaning the workpiece is fixedly connected onto the connecting shaft, a driven shaft positioned on the left side of the connecting shaft is rotatably connected onto the inner wall of the front side and the rear side of the working cavity, an incomplete gear positioned on, the inner wall of the left side of the working cavity is fixedly provided with a rack plate, the right end of the rack plate is fixedly provided with a spraying box fixedly arranged on the inner wall of the front side of the working cavity, the movable plate is rotatably connected with a fixed shaft extending up and down, the fixed shaft is in threaded fit with a threaded block, the fixed shaft is fixedly connected with a fixed gear meshed with the rack plate, the inner wall of the left side of the working cavity is fixedly provided with a fixed box which is positioned above the rack plate and is filled with raw materials, the inner wall of the front side of the working cavity is fixedly provided with a suspension plate, the wall of the right side of the fixed box is internally provided with a linking cavity, the inner wall of the top side of the working cavity is rotatably connected with a linking shaft extending up and down and penetrating out of the right wall body of the fixed box, the linking shaft is fixedly connected with a linking gear meshed with the fixed, and a static electricity eliminating assembly for eliminating static electricity of the workpiece is arranged on the right side of the suspension plate.

2. The electrostatic painting and electrostatic elimination apparatus for workpiece surface according to claim 1, wherein: the friction electrification component further comprises a transportation motor fixedly installed on the inner wall of the rear side of the working cavity, the tail end of the transportation motor is provided with an input shaft extending from front to back, an input wheel is fixedly connected to the input shaft, an output shaft is rotatably connected to the inner wall of the front side and the rear side of the working cavity, an output wheel is fixedly connected to the output shaft, the output wheel is rotatably connected with the input wheel through a conveying belt, and the input shaft is in transmission connection with the connecting shaft through a belt wheel.

3. The electrostatic painting and electrostatic elimination apparatus for workpiece surface according to claim 2, wherein: the electrostatic spraying assembly comprises a driving motor fixedly mounted on the inner wall of the right side of the working cavity, the tail end of the driving motor is provided with a driving shaft extending left and right, the driving shaft is in spline fit with the driving motor, the left end of the driving motor is fixedly connected with an input bevel gear, the inner wall of the rear side of the working cavity is rotatably connected with a rotating shaft extending front and back, the rotating shaft is fixedly connected with an output bevel gear which can be meshed and connected with the input bevel gear, the tail end of the rotating shaft is fixedly connected with a rotary disc, the inner walls of the left and right sides of the spraying box are vertically and slidably connected with a one-way push plate, a push rod fixedly mounted with the one-way push plate is vertically and slidably connected in the wall body of the top of the spraying box, the front end of the rotary disc is hinged with a, it can plug up to link up epaxial fixedly connected with the inlet pipe and be located link up the ball valve of intracavity, spraying case left wall body is provided with and is used for making the high-voltage electrostatic generator of raw materials negative electricity, spraying case lower extreme is provided with the spray gun that is used for carrying out the spraying to the work piece.

4. The electrostatic painting and electrostatic elimination apparatus for workpiece surface according to claim 3, wherein: the electrostatic spraying assembly further comprises a displacement plate in sliding fit with the inner wall of the rear side of the working cavity in a left-right mode, the displacement plate is fixedly connected with a connecting block which is installed by rotating a driving motor, the inner wall of the top side of the working cavity is connected with a transition shaft which extends up and down in a rotating mode, the transition shaft is fixedly connected with a transition gear which is connected with the displacement plate in a meshed mode, a main trapezoidal block which can be pushed to move forward by a workpiece is arranged on the lower end of the suspension plate in a front-back sliding fit mode, a secondary trapezoidal block which is abutted to the main trapezoidal block in a vertical sliding fit mode is arranged on the inner wall of the front side of the working cavity, a sliding rod is fixedly mounted at the lower end of the secondary trapezoidal block, a jacking spring fixedly connected with the inner wall of the bottom side of the working cavity is fixedly mounted on the sliding rod, a through hole.

5. The electrostatic painting and electrostatic elimination apparatus for workpiece surface according to claim 4, wherein: the static elimination subassembly include with sliding fit's lift cover about the inner wall of working chamber right side, the organism wall body rotate between be connected with extend from top to bottom and with lift cover screw-thread fit's screw shaft, the epaxial fixedly connected with of screw shaft is from bevel gear, driving motor go up fixedly connected with can with from the main bevel gear that bevel gear meshing is connected, lift cover lower extreme fixed mounting has the sealing rubber dish, the terminal fixedly connected with of screw shaft is used for the flabellum of blowing, lift cover inner wall fixed mounting has the filter of filtered air, be provided with the installation piece in the filter, installation piece lower extreme fixed mounting has the ion emitter that is used for producing the static of elimination.

Technical Field

The invention relates to the technical field of static electricity correlation, in particular to a workpiece surface electrostatic spraying and static electricity eliminating device.

Background

Static electricity is a charge in a static state. In industrial production, due to the fact that objects have electric charges with different properties on the surface area of the objects due to friction, stripping, extrusion, induction and the like among the objects, when the electric charges are accumulated to a certain degree, electrostatic adsorption and discharge phenomena can be generated, the accumulation and discharge of the electrostatic charges can cause great influence and damage to the industrial production, the surfaces of the workpieces need to be sprayed after the workpieces are machined, and the workpieces need to be electrostatically eliminated.

Disclosure of Invention

Aiming at the technical defects, the invention provides a workpiece surface electrostatic spraying and static eliminating device which can overcome the defects.

The invention relates to a workpiece surface electrostatic spraying and electrostatic eliminating device, which comprises a machine body, wherein a working cavity is arranged in the machine body, a workpiece inlet and a workpiece outlet are arranged at the left side and the right side of the working cavity, a friction electrification component for enabling a workpiece to be subjected to friction electrification and cleaning the surface of the workpiece is arranged in the working cavity, the friction electrification component comprises a moving plate which is in sliding fit with the inner wall of the front side of the working cavity left and right, the left end of the moving plate is provided with a reset spring fixedly installed with the inner wall of the left side of the working cavity, the inner walls of the front side and the rear side of the working cavity are rotatably connected with a connecting shaft, a friction wheel capable of enabling the workpiece to be subjected to friction electrification and cleaning is fixedly connected onto the connecting shaft, the inner walls of the front side and the rear side of the working cavity are rotatably connected, the driven shaft is in transmission connection with the connecting shaft through a gear, the incomplete gear can be meshed with the movable plate, a rack plate is fixedly mounted on the inner wall of the left side of the working cavity, a spraying box fixedly mounted on the right end of the rack plate and fixedly mounted on the inner wall of the front side of the working cavity is fixedly mounted on the right end of the rack plate, a fixed shaft extending up and down is connected in the movable plate in a rotating mode, a thread block is matched on the fixed shaft in a threaded mode, a fixed gear meshed with the rack plate is fixedly connected on the fixed shaft, a fixed box located above the rack plate and filled with raw materials is fixedly mounted on the inner wall of the left side of the working cavity, a hanging plate is fixedly mounted on the inner wall of the front side of the working cavity, a linking cavity is arranged in the right wall body of the fixed box, a linking shaft extending up and down and penetrating through the right wall body of, an electrostatic spraying assembly used for performing electrostatic spraying on the workpiece is arranged above the suspension plate, and an electrostatic elimination assembly used for eliminating static electricity of the workpiece is arranged on the right side of the suspension plate.

Preferably, the friction electrification component further comprises a transportation motor fixedly mounted on the inner wall of the rear side of the working cavity, the tail end of the transportation motor is provided with an input shaft extending from front to back, the input shaft is fixedly connected with an input wheel, the inner wall of the front side and the rear side of the working cavity is rotatably connected with an output shaft, the output shaft is fixedly connected with an output wheel, the output wheel is rotatably connected with the input wheel through a conveying belt, and the input shaft is in transmission connection with the connecting shaft through a belt wheel.

Preferably, the electrostatic spraying assembly comprises a driving motor fixedly mounted on the inner wall of the right side of the working chamber, the tail end of the driving motor is provided with a driving shaft extending left and right, the driving shaft is in spline fit with the driving motor, the left end of the driving motor is fixedly connected with an input bevel gear, the inner wall of the rear side of the working chamber is rotatably connected with a rotating shaft extending front and back, the rotating shaft is fixedly connected with an output bevel gear which can be meshed and connected with the input bevel gear, the tail end of the rotating shaft is fixedly connected with a rotary plate, the inner walls of the left and right sides of the spraying box are vertically and slidably connected with a one-way push plate, a push rod fixedly mounted with the one-way push plate is vertically and slidably connected in the wall body of the top of the spraying box, the front end of the rotary plate is hinged with the spraying, it can plug up to link up epaxial fixedly connected with the inlet pipe and be located link up the ball valve of intracavity, spraying case left wall body is provided with and is used for making the high-voltage electrostatic generator of raw materials negative electricity, spraying case lower extreme is provided with the spray gun that is used for carrying out the spraying to the work piece.

Preferably, the electrostatic spraying subassembly still include with working chamber rear side inner wall side left and right sliding fit's displacement plate, fixedly connected with on the displacement plate with driving motor rotates the junction piece of installation, working chamber top side inner wall rotates and is connected with the transition axle that extends from top to bottom, fixedly connected with on the transition axle with the transition gear that the displacement plate meshing is connected, sliding fit has the main trapezoidal piece that can be promoted to move forward by the work piece around hanging the board lower extreme, working chamber front side inner wall upper and lower sliding fit has with the mutual butt of main trapezoidal piece follows the trapezoidal piece, follow trapezoidal piece lower extreme fixed mounting has the slide bar, fixedly connected with on the slide bar with the roof pressure spring of working chamber bottom side inner wall fixed mounting, the working chamber bottom wall is provided with the through-hole, the junction axle with the transition axle passes through band pulley transmission and is connected.

Preferably, the static elimination subassembly include with sliding fit's lift cover about the right side inner wall of working chamber, the organism wall body rotate between be connected with extend from top to bottom and with lift cover screw-thread fit's screw shaft, the epaxial fixedly connected with of screw shaft is from bevel gear, driving motor go up fixedly connected with can with from the main bevel gear that bevel gear meshing is connected, lift cover lower extreme fixed mounting has the sealing rubber dish, the terminal fixedly connected with of screw shaft is used for the flabellum of blowing, lift cover inner wall fixed mounting has the filter of filtered air, be provided with the installation piece in the filter, installation piece lower extreme fixed mounting has the ion emitter that is used for producing the static elimination.

The beneficial effects are that: the device during operation can make the work piece electrified and clean its surface through the friction electrification subassembly, can carry out the spraying to the work piece surface through the electrostatic spraying subassembly, has strengthened the homogeneity of spraying, can make the static that the work piece has eliminate through the static elimination subassembly, has improved static elimination efficiency, reduces the influence by static production.

Drawings

In order to more clearly illustrate the embodiments of the invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the invention, and it is obvious for those skilled in the art that other drawings can be obtained based on these drawings without creative efforts.

FIG. 1 is a schematic structural view of an electrostatic spraying and electrostatic eliminating apparatus for workpiece surfaces according to the present invention;

FIG. 2 is a schematic diagram of the structure A-A of FIG. 1 according to an embodiment of the present invention;

FIG. 3 is a schematic diagram of the structure B-B in FIG. 1 according to an embodiment of the present invention;

FIG. 4 is a schematic diagram of the structure C-C in FIG. 1 according to the present invention.

Detailed Description

All of the features disclosed in this specification, or all of the steps in any method or process so disclosed, may be combined in any combination, except combinations and/or steps that are mutually exclusive.

The invention will now be described in detail with reference to fig. 1-4, for convenience of description, the following orientations will now be defined: the up, down, left, right, and front-back directions described below correspond to the up, down, left, right, and front-back directions in the projection relationship of fig. 1 itself.

The invention relates to a workpiece surface electrostatic spraying and electrostatic eliminating device, which comprises a machine body 11, wherein a working cavity 12 is arranged in the machine body 11, a workpiece inlet and a workpiece outlet are arranged at the left side and the right side of the working cavity 12, a friction electrification assembly for enabling a workpiece to be subjected to friction electrification and cleaning the surface of the workpiece is arranged in the working cavity 12, the friction electrification assembly comprises a moving plate 19 which is in sliding fit with the inner wall of the front side of the working cavity 12 from left to right, the left end of the moving plate 19 is provided with a return spring 18 fixedly installed with the inner wall of the left side of the working cavity 12, the inner walls of the front side and the rear side of the working cavity 12 are rotatably connected with a connecting shaft 21, the connecting shaft 21 is fixedly connected with a friction wheel 23 capable of enabling the workpiece to be subjected to friction electrification and cleaning the workpiece, the inner walls of the front side and the rear side of the working cavity 12 are rotatably connected with a, the driven shaft 64 is in transmission connection with the connecting shaft 21 through a gear, the incomplete gear 22 can be meshed with the moving plate 19, the inner wall of the left side of the working cavity 12 is fixedly provided with a rack plate 24, the right end of the rack plate 24 is fixedly provided with a spraying box 34 fixedly arranged on the inner wall of the front side of the working cavity 12, the moving plate 19 is rotatably connected with a fixing shaft 20 extending up and down, the fixing shaft 20 is provided with a thread block 25 in a threaded fit manner, the fixing shaft 20 is fixedly connected with a fixed gear 26 meshed with the rack plate 24, the inner wall of the left side of the working cavity 12 is fixedly provided with a fixing box 27 located above the rack plate 24 and filled with raw materials, the inner wall of the front side of the working cavity 12 is fixedly provided with a hanging plate 50, the right wall body of the fixing box 27 is internally provided with a linking cavity 30, the inner wall of the top side of the, the connecting shaft 28 is fixedly connected with a connecting gear 31 which can be meshed with the fixed gear 26, an electrostatic spraying component for performing electrostatic spraying on the workpiece is arranged above the suspension plate 50, and an electrostatic eliminating component for eliminating static electricity of the workpiece is arranged on the right side of the suspension plate 50.

Advantageously, the friction electrification assembly further comprises a transportation motor 49 fixedly mounted with the inner wall of the rear side of the working chamber 12, the end of the transportation motor 49 is provided with an input shaft 13 extending back and forth, an input wheel 14 is fixedly connected to the input shaft 13, an output shaft 16 is rotatably connected to the inner wall of the front side and the rear side of the working chamber 12, an output wheel 17 is fixedly connected to the output shaft 16, the output wheel 17 is rotatably connected to the input wheel 14 through a conveyor belt 15, the input shaft 13 is in transmission connection with the connecting shaft 21 through a belt pulley, a workpiece is placed on the conveyor belt 15, the transportation motor 49 is started, so that the workpiece is driven to move rightwards through the input wheel 14, the output wheel 17 and the conveyor belt 15, and the connecting shaft 21 is driven to rotate through the belt pulley transmission, so that the surface of the workpiece is friction electrified and cleaned through the rotation of the friction wheel 23, and the driven shaft 64 is rotated by gear transmission, so that the moving plate 19 is moved rightward by the rotation of the incomplete gear 22, and the fixed gear 26 is rotated by the rack plate 24 by the rightward movement of the fixed shaft 20, so that the screw block 25 is moved upward by the rotation of the fixed shaft 20.

Advantageously, the electrostatic spraying assembly comprises a driving motor 38 fixedly mounted on the inner wall of the right side of the working chamber 12, a driving shaft 39 extending left and right is arranged at the end of the driving motor 38, a driving motor 40 is in spline fit on the driving shaft 39, an input bevel gear 56 is fixedly connected to the left end of the driving motor 40, a rotating shaft 65 extending front and back is rotatably connected to the inner wall of the rear side of the working chamber 12, an output bevel gear 57 capable of being engaged with the input bevel gear 56 is fixedly connected to the rotating shaft 65, a rotating disc 58 is fixedly connected to the end of the rotating shaft 65, a one-way push plate 35 is slidably connected to the inner wall of the left and right sides of the spraying box 34 up and down, a push rod 60 fixedly mounted to the one-way push plate 35 is slidably connected to the inner wall of the top of the spraying box 34 up and down, a hinged plate 59 hinged, spraying case 34 with the intercommunication is provided with inlet pipe 33 between fixed case 27, fixedly connected with can block up on the linking axle 28 inlet pipe 33 and be located link up ball valve 29 in the chamber 30, the wall body is provided with the high-pressure electrostatic generator 32 that is used for making the raw materials negative electricity, spraying case 34 lower extreme is provided with the spray gun 36 that is used for carrying out the spraying to the work piece.

Advantageously, the electrostatic spraying assembly further comprises a displacement plate 44 which is in sliding fit with the inner wall of the rear side of the working chamber 12 from left to right, a coupling block 41 which is rotatably mounted with the driving motor 40 is fixedly connected to the displacement plate 44, a transition shaft 37 which extends up and down is rotatably connected to the inner wall of the top side of the working chamber 12, a transition gear 45 which is in meshing connection with the displacement plate 44 is fixedly connected to the transition shaft 37, a main trapezoidal block 51 which can be pushed by a workpiece to move forward is in sliding fit with the lower end of the suspension plate 50 from front to back, a secondary trapezoidal block 52 which is in sliding fit with the main trapezoidal block 51 from top to bottom is in sliding fit with the inner wall of the front side of the working chamber 12, a sliding rod 53 is fixedly mounted at the lower end of the secondary trapezoidal block 52, a jacking spring 55 which is fixedly mounted with the inner wall of the bottom side of the working chamber 12 is, the connecting shaft 28 is connected with the transition shaft 37 through a belt wheel transmission, when the workpiece moves rightwards, the main trapezoidal block 51 moves forwards, so that the slide rod 53 is driven by the auxiliary trapezoidal block 52 to be grounded through the through hole 54, at the same time, the fixed gear 26 is driven to rotate through the rotation of the fixed shaft 20, the front end of the fixed gear 26 is meshed with the connecting gear 31 and drives the connecting shaft 28 to rotate, so that the ball valve 29 is opened, at the same time, the high-voltage electrostatic generator 32 is started through the upward movement of the thread block 25, so that the transition shaft 37 is driven to rotate through the belt wheel transmission, so that the displacement plate 44 is driven to move leftwards through the rotation of the transition gear 45, so that the input bevel gear 56 is meshed with the output bevel gear 57 through the connecting block 41, and the transportation motor 49 is stopped to be started, the driving motor 38 is started, so that the output bevel gear 57 is driven to rotate through the input bevel gear 56, the one-way push plate 35 is driven to move downwards and upwards through the rotating disc 58 and under the action of the hinge plate 59, raw materials enter the bottom of the spraying box 34 through the downward and upwards movement of the one-way push plate 35, and the raw materials are charged through the high-voltage electrostatic generator 32, so that workpieces are sprayed through the spray gun 36.

Advantageously, the static eliminating assembly comprises a lifting cover 66 which is in up-and-down sliding fit with the inner wall of the right side of the working chamber 12, a screw shaft 46 which extends up and down and is in threaded fit with the lifting cover 66 is rotatably connected between the walls of the machine body 11, a secondary bevel gear 43 is fixedly connected to the screw shaft 46, a main bevel gear 42 which can be in meshed connection with the secondary bevel gear 43 is fixedly connected to the driving motor 40, a sealing rubber disc 48 is fixedly installed at the lower end of the lifting cover 66, fan blades 47 for blowing are fixedly connected to the tail end of the screw shaft 46, a filter plate 61 for filtering air is fixedly installed on the inner wall of the lifting cover 66, a mounting block 62 is arranged in the filter plate 61, an ion emitter 63 for generating static eliminating electricity is fixedly installed at the lower end of the mounting block 62, the transportation motor 49 is continuously started, so that the incomplete gear 22 is disengaged from the moving plate, and is reset by the reset spring 18, and drives the fixed gear 26 to rotate by moving the fixed shaft 20 to the left, thereby driving the engaging gear 31 to rotate by the fixed gear 26, thereby driving the displacement plate 44 to reset to the right by the transition gear 45, thereby re-engaging the main bevel gear 42 with the sub bevel gear 43, when the workpiece moves below the lifting cover 66, the driving motor 38 is started, thereby driving the sub bevel gear 43 to rotate by the main bevel gear 42, thereby driving the lifting cover 66 to move downwards by the screw shaft 46 to cover the workpiece, and at the same time, the workpiece is electrostatically eliminated by the ions generated from the ion emitter 63 by blowing air by the rotation of the fan blades 47 and the filter plate 61.

In the initial state, the return spring 18 is in a natural expansion state, the fixed gear 26 is not engaged with the engagement gear 31, the screw block 25 is located at the lower portion of the fixed shaft 20, the input bevel gear 56 is not engaged with the output bevel gear 57, the ball valve 29 is in a closed state, and the main bevel gear 42 is engaged with the slave bevel gear 43.

When the workpiece is put on the conveyor belt 15, the conveying motor 49 is started, so that the workpiece is driven to move rightwards through the input wheel 14, the output wheel 17 and the conveyor belt 15, meanwhile, the connecting shaft 21 is driven to rotate through belt wheel transmission, the surface of the workpiece is subjected to friction electrification and surface cleaning through the rotation of the friction wheel 23, the driven shaft 64 is driven to rotate through gear transmission, the moving plate 19 is driven to move rightwards through the rotation of the incomplete gear 22, the fixed gear 26 is driven to rotate under the action of the rack plate 24 through the right movement of the fixed shaft 20, and the thread block 25 is driven to move upwards through the rotation of the fixed shaft 20; when the workpiece moves rightwards, the main trapezoidal block 51 moves forwards, so that the ball valve 29 is opened by the slide rod 53 driven by the trapezoidal block 52 through the through hole 54 to ground, at the same time, the fixed gear 26 is driven to rotate by the rotation of the fixed shaft 20, the displacement plate 44 is driven to move leftwards by the engagement of the front end of the fixed gear 26 with the engaging gear 31 and the engaging shaft 28 is driven to rotate, at the same time, the high-voltage electrostatic generator 32 is driven to start by the upward movement of the screw block 25, so that the transition shaft 37 is driven to rotate by the belt pulley transmission, so that the input bevel gear 56 is engaged with the output bevel gear 57 by the coupling block 41, the transportation motor 49 is stopped, the driving motor 38 is started, so that the output bevel gear 57 is driven to rotate by the input bevel gear 56, so that the one-way push plate 35 is driven to move downwards and upwards by the rotary, so that the raw materials enter the bottom of the spraying box 34 by moving the unidirectional push plate 35 downwards and upwards, and are electrified by the high-voltage electrostatic generator 32, and the workpiece is sprayed by the spray gun 36; the transport motor 49 is continuously operated to disengage the incomplete gear 22 from the moving plate 19 by the rotation of the driven shaft 64 and reset by the reset spring 18, and the fixed gear 26 is rotated by the leftward movement of the fixed shaft 20, and the engaging gear 31 is rotated by the fixed gear 26, and the displacement plate 44 is reset to the right by the transition gear 45, so that the main bevel gear 42 is re-engaged with the sub bevel gear 43, and when the workpiece moves below the elevating cover 66, the driving motor 38 is operated to rotate the sub bevel gear 43 by the main bevel gear 42, so that the elevating cover 66 is moved downward by the screw shaft 46 to cover the workpiece, and at the same time, the air is blown by the rotation of the fan blades 47 and by the filter plate 61, so that the static electricity of the workpiece is removed by the ions generated from the ion emitter 63.

The beneficial effects are that: the device during operation can make the work piece electrified and clean its surface through the friction electrification subassembly, can carry out the spraying to the work piece surface through the electrostatic spraying subassembly, has strengthened the homogeneity of spraying, can make the static that the work piece has eliminate through the static elimination subassembly, has improved static elimination efficiency, reduces the influence by static production.

The above description is only an embodiment of the invention, but the scope of the invention is not limited thereto, and any changes or substitutions that are not thought of through the inventive work should be included in the scope of the invention. Therefore, the protection scope of the invention should be subject to the protection scope defined by the claims.