CN112742617A - Plate workpiece electrostatic spraying device - Google Patents
Plate workpiece electrostatic spraying device Download PDFInfo
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- CN112742617A CN112742617A CN202011567245.4A CN202011567245A CN112742617A CN 112742617 A CN112742617 A CN 112742617A CN 202011567245 A CN202011567245 A CN 202011567245A CN 112742617 A CN112742617 A CN 112742617A
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- fixedly connected
- rotating shaft
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- powder
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
- B05B5/00—Electrostatic spraying apparatus; Spraying apparatus with means for charging the spray electrically; Apparatus for spraying liquids or other fluent materials by other electric means
- B05B5/08—Plant for applying liquids or other fluent materials to objects
- B05B5/081—Plant for applying liquids or other fluent materials to objects specially adapted for treating particulate materials
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
- B05B14/00—Arrangements for collecting, re-using or eliminating excess spraying material
- B05B14/10—Arrangements for collecting, re-using or eliminating excess spraying material the excess material being particulate
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
- B05B5/00—Electrostatic spraying apparatus; Spraying apparatus with means for charging the spray electrically; Apparatus for spraying liquids or other fluent materials by other electric means
- B05B5/08—Plant for applying liquids or other fluent materials to objects
- B05B5/082—Plant for applying liquids or other fluent materials to objects characterised by means for supporting, holding or conveying the objects
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Abstract
The invention discloses an electrostatic spraying device for plate workpieces, which comprises a powder oscillating device, a powder collecting device, a workpiece clamping device, electrostatic spraying devices and a magnetic field correcting device, wherein the powder collecting device is arranged below the powder oscillating device; the electrostatic spraying device comprises an upper transmission assembly, a lower transmission assembly, a transmission reversing assembly, a worm and gear connecting rod assembly, a linear guide assembly, a powder spraying assembly and a spray pipe variable-pressure assembly, wherein the upper transmission assembly and the lower transmission assembly are provided with a lead screw. According to the invention, the worm and gear connecting rod assembly and the powder spraying assembly are arranged, so that the spraying gun can swing left and right in the spraying process, the positive and negative charges in the spraying process can be neutralized more quickly, and the spraying is finer; the spray pipe pressure-changing assembly is arranged to pressurize when the spray gun swings; the magnetic field correction device is arranged, so that negative electricity powder can not fly out of a working area under the action of Lorentz force in a magnetic field, and the working environment is purified.
Description
Technical Field
The invention belongs to the technical field of electrostatic spraying, and particularly relates to an electrostatic spraying device for plate workpieces.
Background
The electrostatic spraying device is an auxiliary device which is used for performing electrostatic spraying on the side wall of a workpiece in the workpiece processing process so as to produce the workpiece, and is widely used in the field of electrostatic spraying; the existing electrostatic spraying device for workpiece production only needs to open a sealing space and hook a workpiece on a hook when the workpiece is produced, after the workpiece is hung, the workpiece is sealed and is subjected to powder coating operation through sprayed powder, but when the height of the powder to be sprayed is high, the spraying device needs to perform up-and-down reciprocating motion for many times when the spraying is needed, the spraying is slow, the spraying is uneven, workers are required to check and manually spray the workpiece at corresponding positions, the powder can be distributed around the sealing device, the powder is recycled and is troublesome, the workload is high, all the powder can not be collected almost, thick and thick impurities can be formed around the sealing device for a long time, plate workpieces are clamped by a pneumatic structure or an electric structure, and the spraying is difficult to clamp and convey a plurality of workpieces simultaneously.
Disclosure of Invention
The invention provides the electrostatic spraying device for the plate type workpiece, which overcomes the defects of the prior art, has faster and finer spraying, a clamping mode of a mechanical structure and easy recycling of powder.
In order to achieve the purpose, the invention adopts the following technical scheme: an electrostatic spraying device for plate workpieces comprises a powder oscillating device, a powder collecting device arranged below the powder oscillating device, a workpiece clamping device suspended above the powder oscillating device, electrostatic spraying devices arranged on two sides of the workpiece clamping device, and a magnetic field correcting device arranged above the electrostatic spraying devices; the powder oscillating device comprises an oscillating assembly; the workpiece clamping device comprises a sliding assembly, a connecting assembly provided with an elastic element, an electromagnet assembly and a clamping jaw assembly; the electrostatic spraying device comprises an upper and lower transmission assembly provided with a lead screw, a transmission reversing assembly, a worm and gear connecting rod assembly, a linear guide assembly, a powder spraying assembly and a spray pipe pressure changing assembly; when the equipment is operated, a workpiece is clamped by the workpiece clamping device and conveyed to the electrostatic spraying devices at two sides to spray the workpiece, the powder spraying component moves up and down by the up-down transmission component provided with the lead screw, the transmission reversing component transmits power to the worm and gear connecting rod component, and then the worm and gear transmission component slides on the linear guide component, the powder spraying component swings in a certain range, the pressure is increased when the powder spraying component swings by linking the spray pipe pressure changing component in the swinging process, the powder is subjected to the action of a magnetic field of the magnetic field correction device in the process of spraying, the moving powder particles with negative electricity are subjected to the action of a downward Lorentz magnetic force, and finally all the powder is collected on the oscillating device; work piece clamping device can lean on mechanical mechanism to realize the effect of pressing from both sides tightly, mechanical structure's the tight mode of clamp can avoid electric power clamp to press from both sides the wiring problem that brings at transportation process, better power saving optimizes the structure, turbine worm link assembly utilizes power to make powder spraying subassembly can the reciprocal swing, the swing process drives spray tube vary voltage subassembly and realizes the effect of pressure boost, on the way in the work piece is carried, spraying device's swing spraying can make the spraying central point put the swing, can not be because traditional up-and-down motion, make the central point put adsorb full powder fast, and lead to that central point department needs spraying many times around putting, the phenomenon of having avoided waste time and extravagant powder, spray tube vary voltage subassembly makes powder spraying device can not take place the phenomenon that pressure is not enough because the distance.
Furthermore, the powder oscillation device also comprises an oscillation frame, a boss arranged in the oscillation frame, a cavity arranged in the boss, a first rotating shaft connected with the oscillation frame in the east, a triangular block fixedly connected with the first rotating shaft, a gear fixedly connected with the first rotating shaft and a rack slidably connected with the oscillation frame; the oscillating assembly comprises a first belt wheel, a second rotating shaft, a second belt wheel fixedly connected to the second rotating shaft, a first flat belt wound between the first belt wheel and the second belt wheel, a cam fixedly connected to the second rotating shaft and a sliding plate matched with the cam; the first belt wheel rotates, the second belt wheel is driven to rotate through the first flat belt, the first rotating shaft is driven to rotate, the cam pushes the sliding plate to slide, the sliding plate drives the oscillating frame to slide, the second rotating shaft is driven to slide left and right when the oscillating frame slides left and right, and then the gear on the second rotating shaft can also move left and right and is meshed with the fixed rack; vibrate the subassembly and make and vibrate the frame and control vibrations, make the powder that adheres to on vibrating frame and the triangle piece leave under inertial effect, later drop, can take place rotatoryly at vibrations process triangle piece, further make the particle that adheres to on the triangle piece drop when the triangle piece rotates, the collection and the recycle of the powder of being convenient for.
Furthermore, the powder collecting device comprises a box body, a plurality of blowers fixedly connected with the box body, a curved plate fixedly connected with the box body and an outlet; the two sides of the curved plate are arcs with different sizes; the powder falls off, and is blown from the outlet of the blower box, so that the powder can be discharged from the outlet and recycled after being discharged; the curved plate is small in arc at the position of the blower and large in arc at the position of the outlet, so that the wind speed can be changed under the action of the curved plates at the two sides when the blower blows, namely the wind speed is larger and larger near the outlet, the pressure at the position is further reduced, and powder floating above the collecting device is easier to fall under the pressure action of atmospheric pressure.
Furthermore, the sliding assembly comprises a first cylindrical rod, a transverse plate connected to the first cylindrical rod in a sliding mode, and a first limiting block fixedly connected to the first cylindrical rod; the connecting component provided with the elastic element comprises a second cylindrical rod, a connecting plate fixedly connected to the second cylindrical rod, a cavity arranged in the connecting plate, a square plate fixedly connected to the connecting plate, a groove arranged in the square plate, a third cylindrical rod connected with the groove in a sliding manner, a second limiting block fixedly connected to the third cylindrical rod, and a spring arranged on the third cylindrical rod; the electromagnet assembly comprises a sliding plate, a plurality of steel wire ropes fixedly connected to the sliding plate and a plurality of electromagnets fixedly connected to the steel wire ropes; the structure of the clamping jaw assembly is a structure of a technical pneumatic finger, and a gear clamping jaw or a connecting rod clamping jaw can be used; when a workpiece needs to be clamped, the transverse plate moves downwards under the action of corresponding equipment, then the position of the electromagnet is observed, when the position of the electromagnet can adhere to the workpiece, the electromagnet is electrified, then the workpiece is tightly attracted by magnetic force, the transverse plate moves upwards to drive the second cylindrical rod to move upwards, the connecting plate moves upwards to drive the rack and the third cylindrical rod to move upwards, because a spring is arranged between the second limiting block on the third cylindrical rod and the sliding plate, the position of the sliding plate is unchanged under the action of the gravity of the workpiece attracted by the magnet during the lifting process, the sliding plate slides with the third cylindrical rod when the third cylindrical rod moves upwards, the connecting plate drives the rack to move upwards, so that the clamping jaws clamp the workpiece, the workpiece is conveyed after being clamped, the electromagnet loses the magnetic force during the conveying process, the conveying is mainly carried out by the clamping jaws, wherein the second cylindrical rod and the, the groove supports the force applied to the second cylindrical rod; the adsorption power of the electromagnet is small, the weight of the workpiece is difficult to support during conveying, the clamping jaw can better support the weight of the workpiece, and the special design of the second cylindrical rod and the groove can enable the force applied to the second cylindrical rod to be dispersed on the curved surface, so that the service life of the workpiece can be prolonged.
Furthermore, a plurality of up-down transmission assemblies provided with the lead screws are provided, and each up-down transmission assembly comprises a motor, a trapezoidal lead screw fixedly connected to the output end of the motor, a lead screw fixed end support rotatably connected to the trapezoidal lead screw, a lead screw nut matched with the trapezoidal lead screw, a support end support rotatably connected to the trapezoidal lead screw, a third belt wheel fixedly connected to the trapezoidal lead screw, a second flat belt wound around the third belt wheel and a fourth belt wheel, and a third rotating shaft fixedly connected to the fourth belt wheel; the transmission reversing assembly comprises a fifth belt wheel, a sixth belt wheel, a third flat belt wound between the fifth belt wheel and the sixth belt wheel, a fourth rotating shaft fixedly connected to the sixth belt wheel, a gear box fixedly connected to the fourth rotating shaft, and a supporting plate fixedly connected to the gear box; the worm and gear connecting rod assembly comprises a fifth rotating shaft, the middle part of the fifth rotating shaft is a hexagonal prism, a worm fixedly connected with the hexagonal prism, a worm wheel matched with the worm wheel, a sixth rotating shaft fixedly connected with the worm wheel, a first connecting rod fixedly connected with the sixth rotating shaft, a seventh rotating shaft fixedly connected with the first connecting rod, a second connecting rod rotatably connected with the seventh rotating shaft, an eighth rotating shaft fixedly connected with the second connecting rod, and a fixing plate rotatably connected with the eighth rotating shaft; the linear guide assembly comprises a first connecting plate, a second connecting plate fixedly connected to the first connecting plate, a guide rail block fixedly connected to the second connecting plate, and a sliding groove block connected to the guide rail block in a sliding manner; a circular groove is formed in the second connecting plate; the powder spraying component comprises a cylinder rod IV, a spraying gun fixedly connected to the cylinder rod IV, a ninth rotating shaft fixedly connected to the spraying gun, a retainer rotatably connected to the ninth rotating shaft, a plurality of connecting columns fixedly connected to the retainer and a pipe matched with the spraying gun; the spray pipe pressure-changing assembly comprises a box shell of a pneumatic finger internal structure, a connecting block for controlling the structure and a clamping jaw; the motor drives the trapezoidal screw to rotate, a screw nut on the trapezoidal screw moves up and down to drive a component on the supporting plate to move up and down, a third belt wheel of the screw drives a fourth belt wheel to rotate through a flat belt II, a third rotating shaft is driven to rotate, a third rotating shaft drives a fifth belt wheel to rotate, the fifth belt wheel drives a sixth belt wheel to rotate through a flat belt III, the sixth belt wheel drives a fourth rotating shaft to rotate, the fourth rotating shaft inputs power into a gear box, the gear box outputs the power to the fifth rotating shaft, a hexagonal prism on the fifth rotating shaft also rotates to drive a worm to rotate, the worm drives a turbine to rotate, the turbine drives the sixth rotating shaft to rotate, the sixth rotating shaft rotates a connecting rod I, the seventh rotating shaft, the connecting rod II, the eighth rotating shaft and the fixing plate form a connecting rod mechanism, the rotation of the connecting rod I is converted into linear motion, and the worm is driven, the hexagonal prism and the worm are provided with a rotating pair and a sliding pair, so that the first connecting plate, the second connecting plate and the worm can move left and right together, the sliding friction between the circular groove and the fourth cylindrical rod can enable the fourth cylindrical rod to drive the spraying gun to swing left and right, when the spraying gun swings left and right, the position of an interface of the tail part of the spraying gun and the spraying pipe is positioned on an arc line, the spraying pipe can be stretched forwards and sent back to the spraying pipe, when the spraying pipe is stretched forwards, the clamping jaw structure in the box shell is driven by the connecting block fixedly connected with the spraying pipe, the spraying pipe is clamped by the clamping jaws, and the spraying pipe is deformed and pressurized; the transmission of worm gear connecting rod structure can make a plurality of spray guns realize the swing about, the structure that leans on the machinery makes the spray gun realize the swing about, a plurality of power supplies have been saved, installer's work load has been reduced, and the difficulty during wiring, the swing about of spray gun can make the central point of spraying change at the spraying process, the area of best spraying promptly can change about can, can make the powder of negative electricity better and the work piece of positive electricity take place the neutralization and adsorb when changing, the spraying effect of powder is better, can make the spray tube take place deformation through the clamping jaw when the spray gun swing about, the spray tube of the position that the powder came out promptly can narrow down, can increase atmospheric pressure, even the spray gun spouts the work piece of farther department when the swing, further increase spraying effect and spraying speed.
Further, the magnetic field correction device comprises a metal conductor and a plurality of turns of wires wound on the metal conductor; the lead is connected with a power supply; the sprayed small negatively charged particle powder is very light in weight, the periphery of the box scatters, the powder possibly flies out of a working area from an upper hollow part to affect the working environment of workers, the metal conductor can be made to have magnetism by the electrified coil to emit a magnetic field, the powder moves Lorentz magnetic force in the magnetic field, the current direction of the electrified coil is adjusted to enable the Lorentz magnetic force to be downward, namely the powder can be subjected to downward force to be prevented from flying out of the working area, and the powder at a high position can be better attached to the top position of a workpiece under the action of the Lorentz magnetic force.
In conclusion, the invention has the following beneficial effects: press from both sides the structure through the clamp of machinery and make the clamp get more stable, the problem of the unable wiring of a large amount of power supplies has been avoided, make the powder drop more easily to collection device through powder oscillation device and powder collection device, carry out recycle to it, the electrostatic spraying device has been set up, powder when can making the spraying is easier more even adsorb the work piece on, the spraying effect is better, and save the spraying time, magnetic field orthotic devices have been set up, the powder that makes the work area can not fly away the work area under the effect in magnetic field.
Drawings
FIG. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a schematic structural view of the work clamping apparatus of the present invention.
Fig. 3 is a schematic structural diagram of an oscillating device according to the present invention.
Fig. 4 is a schematic structural diagram of an oscillating assembly according to the present invention.
FIG. 5 is a schematic view of the powder collecting apparatus according to the present invention.
Fig. 6 is a schematic view of the overall structure of the electrostatic coating apparatus of the present invention.
FIG. 7 is a schematic view of a partial structure of an electrostatic spraying apparatus according to the present invention.
FIG. 8 is a schematic view of a second embodiment of the electrostatic spraying apparatus of the present invention.
Fig. 9 is a schematic view of a part of the electrostatic spraying device according to the third embodiment of the present invention.
FIG. 10 is a schematic view of the structure of the square plate of the present invention.
Detailed Description
In order to make the technical solutions of the present invention better understood, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention.
As shown in fig. 1-10, an electrostatic spraying device for plate-like workpieces comprises a powder oscillating device 1, a powder collecting device 2, a workpiece clamping device 3, an electrostatic spraying device 4, and a magnetic field correcting device 5; the powder oscillating device comprises an oscillating assembly 16; the workpiece clamping device comprises a sliding assembly 31, a connecting assembly 32 provided with an elastic element, an electromagnet assembly 33 and a clamping jaw assembly 34; the electrostatic spraying device comprises an upper and lower transmission assembly 41 provided with a lead screw, a transmission reversing assembly 42, a worm and gear connecting rod assembly 43, a linear guide assembly 44, a powder spraying assembly 45 and a spray pipe variable-pressure assembly 46; when the equipment is operated, a workpiece is clamped by the workpiece clamping device 3 and conveyed to the electrostatic spraying device 4 on two sides to spray the workpiece, the upper and lower transmission assemblies 41 with the lead screws enable the powder spraying assembly 45 to move up and down, the transmission reversing assembly 42 transmits power to the worm and gear connecting rod assembly 43, then the worm and gear transmission assembly 43 slides on the linear guide assembly 44, the powder spraying assembly 45 swings in a certain range, the spray pipe pressure changing assembly 46 is linked in the swinging process to increase pressure when the powder is sprayed and swung, the powder is subjected to the action of the magnetic field correcting device 5 in the spraying process, the moving negatively charged powder particles are subjected to the action of the downward Lorentz magnetic force, finally all the powder can be collected on the oscillating device 1, the power of the oscillating assembly 16 comes from the upper and lower transmission assemblies 41 with the lead screws, and the powder falls onto the powder collecting device 2, it is subjected to a final recovery process by the powder collecting device 2.
The powder oscillation device further comprises an oscillation frame 11, a boss 111, a cavity 112, a first rotating shaft 13, a triangular block 12, a gear 14 and a rack 15; the oscillating assembly comprises a first belt wheel 161, a second rotating shaft 164, a second belt wheel 163, a first flat belt 162, a cam 165 and a sliding plate 166; a boss 111 arranged in the oscillating frame, a cavity 112 arranged in the boss, a first rotating shaft 13 rotationally connected to the oscillating frame, a triangular block 12 fixedly connected to the first rotating shaft, a gear 14 fixedly connected to the first rotating shaft, and a rack 15 slidably connected to the oscillating frame; the oscillating assembly comprises a first belt wheel 161, a second rotating shaft 164, a second belt wheel 163 fixedly connected to the second rotating shaft, a first flat belt 162 wound between the first belt wheel and the second belt wheel, a cam 165 fixedly connected to the second rotating shaft, and a sliding plate 166 matched with the cam; the rack 15 is fixed in position; four oscillating assemblies 16 are distributed at four corners of the oscillating frame 11, the starting angles of the four cams 165 are different, and the oscillating frame 11 can reciprocate left and right for a cycle when the cams 165 rotate for a circle; a plurality of first rotating shafts 13, gears 14 and triangular blocks 12 are uniformly distributed on the oscillating frame; the first belt wheel 161 rotates, the second belt wheel 163 is driven to rotate through the first flat belt 162, the second rotating shaft 164 is driven to rotate, the cam 165 pushes the sliding plate 166 to slide, the sliding plate 166 drives the oscillating frame 11 to slide, the oscillating frame 11 drives the first rotating shaft 13 to slide left and right when sliding left and right, the gear 14 on the first rotating shaft 13 can also move left and right, the gear 14 is meshed with the fixed rack 15, the gear 14 can rotate when moving left and right, the first rotating shaft 13 is driven to rotate, then the triangular block 12 on the first rotating shaft 13 is driven to rotate, and the rotation of the triangular block 12 can enable dust attached to the triangular block to better drop under the action of inertia.
Specifically, the powder collecting device comprises a box body 22, a plurality of blowers 21, a curved plate 23 and an outlet 24; a plurality of blowers 21 fixed on the box body, a curved plate 23 fixed on the box body and an outlet 24; the two sides of the curved plate 23 are arcs with different sizes; the powder falls down, and the blower 21 blows the powder to the outlet 24, so that the powder can be discharged from the outlet 24 and recycled after being discharged; the curved plate 23 is formed by the small arc at the blower 21 and the large arc at the outlet 24, so that the wind speed can be changed due to the action of the curved plates at the two sides during blowing, that is, the wind speed is increased at the position close to the outlet 24, and the pressure at that position is reduced, so that the powder floating above the collecting device 2 is more easily dropped under the pressure of the atmospheric pressure.
The sliding assembly comprises a first cylindrical rod 311, a transverse plate 332 and a first limiting block 313; the connecting component provided with the elastic element comprises a second cylindrical rod 321, a connecting plate 322, a cavity arranged on the connecting plate, a square plate 326, a groove 3261, a third cylindrical rod 323, a second limiting block 325 and a spring 324; the electromagnet assembly comprises a sliding plate 331, a plurality of steel wire ropes 332 and a plurality of electromagnets 333; a transverse plate 332 connected to the first cylindrical rod in a sliding manner, and a first limit block 313 fixedly connected to the first cylindrical rod; the connecting component provided with the elastic element comprises a second cylindrical rod 321, a connecting plate 322 fixedly connected to the second cylindrical rod, a cavity arranged on the connecting plate, a square plate 326 fixedly connected to the connecting plate, a groove 3261 arranged in the square plate, a third cylindrical rod 323 slidably connected with the groove, a second limiting block 325 fixedly connected to the third cylindrical rod, and a spring 324 arranged on the third cylindrical rod; the electromagnet assembly comprises a sliding plate 331, a plurality of steel wire ropes 332 fixedly connected to the sliding plate, and a plurality of electromagnets 333 fixedly connected to the steel wire ropes; the structure of the clamping jaw assembly is that of a pneumatic finger in the prior art, and a gear clamping jaw is used; when a workpiece needs to be clamped, the transverse plate 332 moves downwards under the action of corresponding equipment, then the position of the electromagnet 333 is observed, when the position of the electromagnet 333 can be adhered to the workpiece, the electromagnet 333 is electrified, then the workpiece is tightly sucked by magnetic force, the transverse plate 332 moves upwards to drive the second cylindrical rod 321 to move upwards, the connecting plate 322 moves upwards to drive the rack 341 and the third cylindrical rod 323 to move upwards, because the spring 324 is arranged between the second limiting block 325 on the third cylindrical rod 323 and the sliding plate 331, the gravity action position of the workpiece adsorbed by the electromagnet 333 is unchanged in the process of ascending, when the third cylindrical rod 323 ascends, the sliding plate 331 slides with the third cylindrical rod 32, the connecting plate 322 drives the rack 341 to move upwards, so that the clamping jaw can clamp the workpiece through the clamping jaw mechanism 34, the workpiece is conveyed after being clamped, the electromagnet 333 is powered off in the conveying process, the magnetic, the third cylindrical rod 323 and the groove 3261 on the square plate 326 perform a fixing function, and the groove 3261 supports the force applied to the third cylindrical rod 212.
The specific up-down transmission components provided with the lead screws are multiple and comprise a motor 411, a trapezoidal lead screw 412, a fixed end support 413, a lead screw nut 414, a support end support 415, a third belt wheel 416, a flat belt II 419, a fourth belt wheel 418 and a third rotating shaft 417; the transmission reversing assembly comprises a fifth belt wheel 421, a sixth belt wheel 424, a third flat belt 422, a fourth rotating shaft 423, a gear box 425 and a supporting plate 426; the worm and gear connecting rod assembly comprises a fifth rotating shaft 431, a hexagonal prism 4311 in the middle part of the fifth rotating shaft, a worm 432, a worm wheel 433, a sixth rotating shaft 434, a first connecting rod 435, a seventh rotating shaft 437, a second connecting rod 436, an eighth rotating shaft 438 and a fixing plate 439; the linear guide assembly comprises a first connecting plate 441, a second connecting plate 442, a guide rail block 444 and a sliding groove block 443; the circular groove 4421; the powder spraying component comprises a four cylindrical rod 451, a spraying gun 452, a ninth rotating shaft 453, a retainer 454, a connecting column 455 and a spraying pipe 456; the spray pipe pressure changing assembly comprises a box shell 461, a connecting block 462 and a clamping jaw 463 which are of pneumatic finger internal structures; a trapezoidal lead screw 412 fixedly connected to the output end of the motor, a lead screw fixing end support 413 rotatably connected to the trapezoidal lead screw, a lead screw nut 414 matched with the trapezoidal lead screw, a support end support 415 rotatably connected to the trapezoidal lead screw, a third belt pulley 416 fixedly connected to the trapezoidal lead screw, a flat belt II 419 wound around the third belt pulley and the fourth belt pulley, and a third rotating shaft 417 fixedly connected to the fourth belt pulley 418; a flat belt third 422 wound between the fifth belt wheel and the sixth belt wheel, a fourth rotating shaft 423 fixedly connected to the sixth belt wheel, a gear box 425 fixedly connected to the fourth rotating shaft, and a support plate 426 fixedly connected to the gear box; a worm 432 fixedly connected with the hexagonal prism, a worm gear 433 matched with the worm, a sixth rotating shaft 434 fixedly connected with the worm gear, a first connecting rod 435 fixedly connected with the sixth rotating shaft, a seventh rotating shaft 437 fixedly connected with the first connecting rod, a second connecting rod 436 rotatably connected with the seventh rotating shaft, an eighth rotating shaft 438 fixedly connected with the second connecting rod, and a fixing plate 439 rotatably connected with the eighth rotating shaft; a second connecting plate 442 fixedly connected to the first connecting plate, a guide rail block 444 fixedly connected to the second connecting plate, and a sliding groove block 443 slidably connected to the guide rail block; the second connecting plate is provided with a circular groove 4421; a spraying gun 452 fixedly connected to the fourth cylindrical rod, a ninth rotating shaft 453 fixedly connected to the spraying gun, a retainer 454 rotatably connected to the ninth rotating shaft, a plurality of connecting columns 455 fixedly connected to the retainer, and a pipe 456 matched with the spraying gun; the spray pipe pressure changing assembly comprises a box shell 461 of a pneumatic finger internal structure, a connecting block 462 for controlling the structure and a clamping jaw 463; the motor 411 drives the trapezoidal lead screw 412 to rotate, the lead screw nut 414 on the trapezoidal lead screw 412 moves up and down to drive the components on the support plate 426 to move up and down, the trapezoidal lead screw 411 drives the third belt pulley 416 to rotate and drives the fourth belt pulley 418 to rotate through the flat belt II 419 to drive the third rotating shaft 417 to rotate, the third rotating shaft 417 drives the fifth belt pulley 421 to rotate, the fifth belt pulley 421 drives the sixth belt pulley 424 to rotate through the flat belt III 422, the sixth belt pulley 424 drives the fourth rotating shaft 423 to rotate, the fourth rotating shaft 423 inputs power into the gear box 425, the gear box outputs power to the fifth rotating shaft 431, the hexagonal prism 4311 on the fifth rotating shaft 431 also rotates to drive the worm 432 to rotate, the worm 432 drives the turbine 433 to rotate, the turbine 433 drives the sixth rotating shaft 434 to rotate, the sixth rotating shaft 434 drives the connecting rod one 435 to rotate, the connecting rod one 435, the seventh rotating shaft 437, the connecting rod two 436, the eighth rotating shaft 438 and the fixing plate, the rotation of the first connecting rod 435 is converted into linear motion, the worm 433 is driven to rotate by a hexagonal prism 4311, the hexagonal prism 4311 and the worm 433 are provided with a rotating pair and a sliding pair, so that the first connecting plate 441, the second connecting plate 442 and the worm 432 can move left and right together, the left and right movement of the second connecting plate 442 enables sliding friction between the circular groove 4421 and the fourth cylindrical rod 451 to enable the fourth cylindrical rod 451 to drive the spraying gun 452 to swing left and right, when the spraying gun 452 swings left and right, the position of the interface of the tail part of the spraying gun 452 and the nozzle 456 is located on an arc line, the nozzle 456 can be pulled forward and sent back to the nozzle 456, when the nozzle 456 is pulled forward, the connecting block 462 fixedly connected with the nozzle 456 drives the clamping jaw 463 structure in the box shell to enable the clamping jaw 463 to clamp the nozzle 456, and the nozzle 456 is deformed and pressurized.
The magnetic field correction device comprises a metal conductor 51 and a plurality of turns of wires 52 wound on the metal conductor; the lead is connected with a power supply; when the multi-coil conducting wire is electrified, the conducting wire can generate magnetism, one end of the conducting wire is N-level, the other end of the conducting wire is S-level, the conducting wire can emit a magnetic field, the direction of the magnetic field line is from N to S-level circular curve, namely the magnetic field line is parallel to the electrostatic spraying device and is vertical to the movement direction of the sprayed negatively charged powder, then in order to enable the negatively charged particles to be subjected to downward Lorentz magnetic force, the current direction of the electrified coil needs to be well controlled to control the direction of the magnetic field, and the specific control method refers to the existing research conclusion Lorentz magnetic force theorem, left-hand rule and right-hand rule in physics. The sprayed small negatively charged particle powder scatters around the box due to very light weight of the powder, and the powder may fly out of a working area through a hollow part above the box to influence the working environment of workers.
The specific working principle of the invention is as follows: the transverse plate 332 moves downwards under the action of corresponding equipment, then the position of the electromagnet 333 is observed, when the position of the electromagnet 333 can adhere to a workpiece, the electromagnet 333 is electrified, then the workpiece is tightly sucked by magnetic force, the transverse plate 332 moves upwards to drive the second cylindrical rod 321 to move upwards, the connecting plate 322 moves upwards to drive the rack 341 and the third cylindrical rod 323 to move upwards, because the spring 324 is arranged between the second limit block 325 on the third cylindrical rod 323 and the sliding plate 331, the sliding plate 331 does not change due to the action position of the gravity of the workpiece adsorbed by the electromagnet 333 in the process of ascending, when the third cylindrical rod 323 ascends, the sliding plate 331 slides with the third cylindrical rod 32, the connecting plate 322 drives the rack 341 to move upwards, so that the clamping jaws clamp the workpiece through the clamping jaw mechanism 34, the workpiece is conveyed after clamping, the electromagnet 333 loses the magnetic force in the process of conveying, the workpiece is mainly conveyed by the clamping jaws, and the, the screw nut 414 on the trapezoidal screw 412 moves up and down to drive the components on the support plate 426 to move up and down, the trapezoidal screw 411 drives the third belt pulley 416 to rotate and drives the fourth belt pulley 418 to rotate through the flat belt II 419, and drives the third rotating shaft 417 to rotate, the third rotating shaft 417 drives the fifth belt pulley 421 to rotate, the fifth belt pulley 421 drives the sixth belt pulley 424 to rotate through the flat belt III 422, the sixth belt pulley 424 drives the fourth rotating shaft 423 to rotate, the fourth rotating shaft 423 inputs power into the gear box 425, the gear box outputs power to the fifth rotating shaft 431, the hexagonal prism 4311 on the fifth rotating shaft 431 also rotates to drive the worm 432 to rotate, the worm 432 drives the turbine 433 to rotate, the turbine 433 drives the sixth rotating shaft 434 to rotate, the sixth rotating shaft 434 rotates the connecting rod I, the connecting rod I435, the seventh rotating shaft 437, the connecting rod II 436, the eighth rotating shaft and the fixing plate 439 form a connecting rod mechanism 438, and the rotation of the connecting rod I435 is converted into, because the worm 433 is driven by the hexagonal prism 4311 to rotate, the hexagonal prism 4311 and the worm 433 have both a rotating pair and a sliding pair, so that the first connecting plate 441, the second connecting plate 442 and the worm 432 can move left and right together, the left and right movement of the second connecting plate 442 enables sliding friction between the circular groove 4421 and the fourth cylindrical rod 451 to enable the fourth cylindrical rod 451 to drive the spray gun 452 to swing left and right, when the spray gun 452 swings left and right, the position of the interface of the tail part of the spray gun 452 connected with the spray pipe 456 is located on an arc line, the spray pipe 456 can be pulled forward and returned backward, when the spray pipe 456 is pulled forward, the connecting block 462 fixedly connected with the spray pipe 456 drives the clamping jaws 463 structure in the box shell, so that the clamping jaws 463 clamp the spray pipe 456 to deform and pressurize the spray pipe 456 and can be sprayed to a position farther away from a workpiece, when spraying, the sprayed small negatively charged particle powder can be very light in weight due to the self weight, and the coil, the magnetic field is emitted, the powder moves in the magnetic field and moves downwards by the Lorentz magnetic force, the trapezoidal lead screw 412 simultaneously drives the first belt wheel 161 to rotate, the flat belt wheel 162 drives the second belt wheel 163 to rotate, the second rotating shaft 164 rotates, the cam 165 pushes the sliding plate 166 to slide, the sliding plate 166 drives the oscillating frame 11 to slide, the oscillating frame 11 drives the first rotating shaft 13 to slide left and right when sliding left and right, the gear 14 on the first rotating shaft 13 also moves left and right, the gear 14 is meshed with the fixed rack 15, the gear 14 rotates when moving left and right, the first rotating shaft 13 is driven to rotate, then the triangular block 12 on the first rotating shaft 13 rotates, the rotation of the triangular block 12 can enable the dust attached to the triangular block to fall down better under the action of inertia, the powder falls down, the blower 21 blows the powder to the outlet 24, and the powder can be discharged from the outlet 24, after being discharged, the waste water is recycled; the curved plate 23 is small in arc at the blower 21 and large in arc at the outlet 24, so that the wind speed can be changed due to the action of the curved plates 23 at the two sides during blowing, namely the wind speed is increased at the position close to the outlet 24, the pressure at the position is reduced, and the powder floating above the collecting device 2 is easier to fall under the pressure of the atmospheric pressure.
It is to be understood that the described embodiments are merely a few embodiments of the invention, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Claims (6)
1. An electrostatic spraying device for plate workpieces comprises a powder oscillating device (1), a powder collecting device (2) arranged below the powder oscillating device, a workpiece clamping device (3) suspended above the powder oscillating device, electrostatic spraying devices (4) arranged on two sides of the workpiece clamping device, and a magnetic field correcting device (5) arranged above the electrostatic spraying device; the method is characterized in that: the powder oscillating device comprises an oscillating assembly (16); the workpiece clamping device comprises a sliding assembly (31), a connecting assembly (32) provided with an elastic element, an electromagnet assembly (33) and a clamping jaw assembly (34); the electrostatic spraying device comprises an upper and lower transmission assembly (41) provided with a lead screw, a transmission reversing assembly (42), a worm and gear connecting rod assembly (43), a linear guide assembly (44), a powder spraying assembly (45) and a spray pipe variable-pressure assembly (46).
2. The electrostatic spraying device for plate workpieces as claimed in claim 1, wherein: the powder oscillating device also comprises an oscillating frame (11), a boss (111) arranged in the oscillating frame, a cavity (112) arranged in the boss, a first rotating shaft (13) rotationally connected to the oscillating frame, a triangular block (12) fixedly connected to the first rotating shaft, a gear (14) fixedly connected to the first rotating shaft, and a rack (15) slidably connected to the oscillating frame; the oscillating assembly comprises a first belt wheel (161), a second rotating shaft (164), a second belt wheel (163) fixedly connected to the second rotating shaft, a first flat belt (162) wound between the first belt wheel and the second belt wheel, a cam (165) fixedly connected to the second rotating shaft, and a sliding plate (166) matched with the cam.
3. The electrostatic spraying device for plate workpieces as claimed in claim 1, wherein: the powder collecting device comprises a box body (22), a plurality of blowers (21) fixedly connected with the box body, a curved plate (23) fixedly connected with the box body and an outlet (24).
4. The electrostatic spraying device for plate workpieces as claimed in claim 1, wherein: the sliding assembly comprises a first cylindrical rod (311), a transverse plate (332) connected to the first cylindrical rod in a sliding mode, and a first limit block (313) fixedly connected to the first cylindrical rod; the connecting component provided with the elastic element comprises a second cylindrical rod (321), a connecting plate (322) fixedly connected to the second cylindrical rod, a cavity arranged on the connecting plate, a square plate (326) fixedly connected to the connecting plate, a groove (3261) arranged in the square plate, a third cylindrical rod (323) connected with the groove in a sliding manner, a second limit block (325) fixedly connected to the third cylindrical rod, and a spring (324) arranged on the third cylindrical rod; the electromagnet assembly comprises a sliding plate (331), a plurality of steel wire ropes (332) fixedly connected to the sliding plate, and a plurality of electromagnets (333) 1 fixedly connected to the steel wire ropes.
5. The electrostatic spraying device for plate workpieces as claimed in claim 1, wherein: the plurality of up-and-down transmission assemblies provided with the lead screws comprise motors (411), trapezoidal lead screws (412) fixedly connected to the output ends of the motors, lead screw fixed end supports (413) rotatably connected to the trapezoidal lead screws, lead screw nuts (414) matched with the trapezoidal lead screws, support end supports (415) rotatably connected to the trapezoidal lead screws, third belt wheels (416) fixedly connected to the trapezoidal lead screws, flat belt pairs (419) wound around the third belt wheels and fourth belt wheels, and third rotating shafts (417) fixedly connected to the fourth belt wheels (418);
the electrostatic spraying device for plate workpieces as claimed in claim 1, wherein: the transmission reversing assembly comprises a fifth belt wheel (421), a sixth belt wheel (424), a flat belt III (422) wound between the fifth belt wheel and the sixth belt wheel, a fourth rotating shaft (423) fixedly connected with the sixth belt wheel, a gear box (425) fixedly connected with the fourth rotating shaft, and a supporting plate (426) fixedly connected with the gear box;
the electrostatic spraying device for plate workpieces as claimed in claim 1, wherein: the worm and gear connecting rod assembly comprises a fifth rotating shaft (431), the middle part of the fifth rotating shaft is a hexagonal prism (4311), a worm (432) fixedly connected with the hexagonal prism, a worm wheel (433) matched with the worm, a sixth rotating shaft (434) fixedly connected with the worm wheel, a first connecting rod (435) fixedly connected with the sixth rotating shaft, a seventh rotating shaft (437) fixedly connected with the first connecting rod, a second connecting rod (436) rotatably connected with the seventh rotating shaft, an eighth rotating shaft (438) fixedly connected with the second connecting rod, and a fixing plate (439) rotatably connected with the eighth rotating shaft;
the electrostatic spraying device for plate workpieces as claimed in claim 1, wherein: the linear guide assembly comprises a first connecting plate (441), a second connecting plate (442) fixedly connected with the first connecting plate, a guide rail block (444) fixedly connected with the second connecting plate, and a sliding groove block (443) slidably connected with the guide rail block; a circular groove (4421) is arranged on the second connecting plate;
the electrostatic spraying device for plate workpieces as claimed in claim 1, wherein: the powder spraying component comprises a cylinder rod IV (451), a spraying gun (452) fixedly connected to the cylinder rod IV, a ninth rotating shaft (453) fixedly connected to the spraying gun, a retainer (454) rotatably connected to the ninth rotating shaft, a plurality of connecting columns (455) fixedly connected to the retainer, and a pipe (456) matched with the spraying gun; the spray pipe pressure changing assembly comprises a box shell (461) of a pneumatic finger internal structure, a connecting block (462) for controlling the structure and a clamping jaw (463).
6. The electrostatic spraying device for plate workpieces as claimed in claim 1, wherein: the magnetic field correction device comprises a metal conductor (51) and a plurality of turns of conducting wires (52) wound on the metal conductor; the wires are connected to a power source.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011567245.4A CN112742617A (en) | 2020-12-25 | 2020-12-25 | Plate workpiece electrostatic spraying device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011567245.4A CN112742617A (en) | 2020-12-25 | 2020-12-25 | Plate workpiece electrostatic spraying device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112742617A true CN112742617A (en) | 2021-05-04 |
Family
ID=75646072
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011567245.4A Withdrawn CN112742617A (en) | 2020-12-25 | 2020-12-25 | Plate workpiece electrostatic spraying device |
Country Status (1)
| Country | Link |
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| CN (1) | CN112742617A (en) |
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| CN114505192A (en) * | 2022-02-16 | 2022-05-17 | 湖南工业大学 | Wooden furniture production device and production method thereof |
| CN114918556A (en) * | 2021-08-20 | 2022-08-19 | 江苏富勤机械制造有限公司 | Laser cutting system |
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| CN207153990U (en) * | 2017-09-14 | 2018-03-30 | 江西保太有色金属集团有限公司 | A kind of electrostatic powder spraying device of aluminium section bar |
| CN208427280U (en) * | 2018-04-12 | 2019-01-25 | 南京远扬喷涂粉末有限公司 | A kind of electrostatic spraying device of powdery paints |
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| CN211051784U (en) * | 2019-11-01 | 2020-07-21 | 陕西蓝晟新材料研发有限公司 | Spraying device for powder coating |
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| CN211412497U (en) * | 2019-11-25 | 2020-09-04 | 湖南亿居金属科技有限公司 | Aluminum profile electrostatic powder spraying device |
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| CN207153990U (en) * | 2017-09-14 | 2018-03-30 | 江西保太有色金属集团有限公司 | A kind of electrostatic powder spraying device of aluminium section bar |
| CN208427280U (en) * | 2018-04-12 | 2019-01-25 | 南京远扬喷涂粉末有限公司 | A kind of electrostatic spraying device of powdery paints |
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Application publication date: 20210504 |