CN112705394B

CN112705394B - Coating production line

Info

Publication number: CN112705394B
Application number: CN202011496892.0A
Authority: CN
Inventors: 孙志军
Original assignee: Xi'an Bohai Metal Engineering Co ltd
Current assignee: Xi'an Bohai Metal Engineering Co ltd
Priority date: 2020-12-17
Filing date: 2020-12-17
Publication date: 2022-04-26
Anticipated expiration: 2040-12-17
Also published as: CN112705394A

Abstract

The application relates to the field of coating production, in particular to a coating production line, which comprises a conveying device, a pretreatment device, a spraying device and a curing device, wherein the pretreatment device, the spraying device and the curing device are sequentially arranged on the conveying device; the pretreatment device can clean the surface of a workpiece, and the curing device can dry and cure the sprayed surface of the workpiece; the spraying device comprises a machine body, a spraying mechanism and a rotating mechanism; the rotating mechanism comprises a rotating part, a rotating shaft, a rotating disc, a plurality of supporting rods and two semicircular connecting plates, one end of the rotating shaft is rotatably connected to the bottom wall of the feeding channel, the other end of the rotating shaft is arranged on the rotating disc, the plurality of supporting rods are vertically arranged on the rotating disc, and the two connecting plates are arranged at one ends of the supporting rods, far away from the rotating disc, and are respectively arranged at two sides of the feeding channel; the rotating piece is arranged on the bottom wall of the feeding channel and can enable the rotating shaft to rotate; the spraying mechanism is arranged on the supporting rod and can spray between the two connecting plates. This application can make the surface spraying of product more even.

Description

Coating production line

Technical Field

The application relates to the field of coating production, in particular to a coating production line.

Background

Guard rails in the market are generally white blank plates formed by forming various metals or alloys, and the formed white blank plates can be assembled and delivered out of a factory after the plates are subjected to surface treatment by a coating production line. The coating means that a protective layer or a decorative layer is covered on the surface of metal and nonmetal, and the coating line of the guardrail is finished mainly by the procedures of pretreatment, spraying, drying and the like of a conveying chain. With the development of industrial technology, coating is developed from manual work to industrial automation, and the degree of automation is higher and higher, so that the application of a coating production line is wider and wider, and the coating production line is deeply applied to multiple fields of national economy.

The application number is 01610703652.0's chinese patent discloses an automatic flush coater, including whole air device, binary nitrogen machine, the nitrogen source device, the adjustable shelf, spout the ware, whole air device is connected with binary nitrogen machine, binary nitrogen machine is equipped with the nitrogen source device, the adjustable shelf is connected with spouts the ware, whole air device includes the condenser, the whole frame, set for the panel, the scintillator, the knob, the whole frame is equipped with the condenser, it is equipped with the scintillator to set for the panel, the knob, binary nitrogen machine includes whole binary frame, the control maintenance mouth, whole binary frame is equipped with the control maintenance mouth. When the product is coated, the power supply is connected, the whole machine is debugged on the whole air device, the buckle of the telescopic sprayer body can be rotated by judging and controlling the display instrument of the nitrogen source device during debugging, and the sprayer is held by hand and pulled out for operation.

In view of the above related technologies, in production and use, generally, the fastener needs to be fixed around the product and the nozzle is aligned with the product for spraying, which is likely to cause different spraying thicknesses at various parts of the product, and the inventor thinks that there is a defect of uneven spraying.

Disclosure of Invention

In order to make the surface spraying of product more even, this application provides a coating line.

The application provides a coating line adopts following technical scheme:

a coating production line comprises a conveying device, a pretreatment device, a spraying device and a curing device, wherein the pretreatment device, the spraying device and the curing device are sequentially arranged on the conveying device; the pretreatment device can clean the surface of a workpiece, and the curing device can dry and cure the sprayed surface of the workpiece;

the conveying device comprises a support, a conveying rail, a plurality of moving parts, a hanger and a driving mechanism, wherein the moving parts are connected to the conveying rail in a sliding mode, and the hanger and the driving mechanism are arranged on the moving parts; the conveying rail is arranged on the support and is far away from the ground, the conveying rails are connected end to end, the hangers are arranged between the conveying rails and the ground and can slide along the conveying rails along with the moving members, and the driving mechanism is arranged on the conveying rails and can enable all the hangers to synchronously move;

the spraying device comprises a machine body, a spraying mechanism and a rotating mechanism, wherein the spraying mechanism and the rotating mechanism are arranged on the machine body; the rotating mechanism comprises a rotating part, a rotating shaft, a rotating disc, a plurality of supporting rods and two semicircular connecting plates, wherein the rotating part, the rotating shaft, the rotating disc, the plurality of supporting rods and the two semicircular connecting plates are arranged from bottom to top; the rotating piece is arranged on the bottom wall of the feeding channel and can enable the rotating shaft to rotate; the spraying mechanism is arranged on the supporting rod and can spray between the two connecting plates.

By adopting the technical scheme, when the workpiece is sprayed, the workpiece is moved and hung on the hanger, and the driving mechanism is adjusted to be started, so that the moving piece drives the hanger and the workpiece on the hanger to slide along the conveying track until the workpiece reaches the pretreatment device and is pretreated; the moving member continues to move until the moving member reaches the spraying device, the workpiece enters the machine body along the feeding channel and moves between the two connecting plates, the rotating member is adjusted to be started, so that the rotating member drives the rotating disc and the supporting rod on the rotating disc to rotate, and meanwhile, the spraying mechanism is adjusted to be started, so that the spraying mechanism sprays the workpiece along with the rotation of the supporting rod until the surface of the workpiece is uniformly sprayed; continuously adjusting the moving piece to move along the conveying track until the moving piece drives the workpiece to leave the feeding channel and move to the curing device for curing, and then continuously driving the workpiece to leave the curing device and take down the workpiece from the hanger by the moving piece to finish the spraying process of the workpiece; the conveying device and the spraying device can be used for spraying the workpiece, so that the corrosion-resistant and rust-resistant effects of the workpiece are improved, the surface of the workpiece is protected, and the circulation of spraying the workpiece is realized; the pretreatment device and the curing device are arranged, so that the workpiece is cleaned and degreased before spraying, and the coating on the surface of the workpiece is cured after spraying, so that the coating can be conveniently adhered and fixed on the surface of the workpiece, the workpiece is conveniently protected, and the fixing effect of the coating is enhanced; the rotating part, the rotating shaft, the rotating disc, the supporting rod and the connecting plate are arranged, and the workpiece can be sprayed in multiple directions, so that the sprayed coating is more uniform, and the spraying effect is improved.

Optionally, slewing mechanism still includes two cylinders, two the cylinder is kept away from piston rod one end and is all set up the pivot is close to carousel one end, the carousel is followed feed channel length direction separates into two semicircle turntables, and sets up respectively two on the piston rod of cylinder, the piston rod axial of cylinder is perpendicular to the feed channel direction sets up.

Through adopting above-mentioned technical scheme, the cylinder of setting can be adjusted the distance between two connecting plates, and the feeding and the ejection of compact of the work piece of being convenient for can adapt to the great work piece of volume simultaneously and carry out the spraying, has improved spraying mechanism's suitability.

Optionally, the spraying mechanism includes a feeding box, a high-pressure hose, a booster pump and a plurality of atomizing spray guns, the feeding box is arranged on the machine body, the high-pressure hose includes a main pipe and a plurality of branch pipes which are mutually communicated, one end of the main pipe is communicated with the feeding box, the other end of the main pipe coaxially penetrates out of the rotating shaft from bottom to top and is connected with the rotating shaft through a rotating joint, the plurality of branch pipes are arranged at one end of the main pipe penetrating out of the rotating shaft and are arranged on the support rods, and the plurality of atomizing spray guns are arranged on the branch pipes and all face to the areas among the plurality of support rods; the booster pump is arranged on the main pipe and communicated with the main pipe.

By adopting the technical scheme, when the spraying mechanism is adjusted to spray the workpiece, the booster pump is adjusted to be started, so that the coating in the feeding box enters the branch pipes along with the main pipe and is sprayed out by the atomizing spray gun to spray the workpiece; the feeding box, the high-pressure hose, the booster pump and the atomizing spray gun are arranged to intensively supply the coating, so that the coating has enough pressure to atomize and spray out of the atomizing spray gun, and the coating falling on a workpiece is more uniform; the rotary joint who sets up can cooperate the rotation of pivot for the branch pipe rotates along with the bracing piece and does not influence house steward's pay-off function.

Optionally, the spraying mechanism waste collection piece includes a collection pipe and a high-pressure pump, a plurality of collection holes are formed in the side wall and the bottom wall of the feeding channel, mutually-communicated collection grooves are formed in the side wall and the bottom wall of the feeding channel, one end of the collection pipe is communicated with the collection groove, the other end of the collection pipe is communicated with the feeding box, and the high-pressure pump is arranged on the collection pipe and is communicated with the feeding box.

Through adopting above-mentioned technical scheme, collection hole, collecting vat, high-pressure pump and collecting pipe that set up can be so that the unnecessary coating of spraying mechanism spun gets into the collecting vat along the collection hole under the effect of high-pressure pump to get into the feed tank along with the collecting pipe and reuse, save the resource, reduce the waste of coating.

Optionally, the moving member includes a transmission gear, a rotating shaft, a sleeve and a pair of guide blocks, both sides of the inner wall of the transmission rail are provided with a row of teeth engaged with the transmission gear, the transmission gear is engaged on the transmission rail, one end of the rotating shaft is coaxially and fixedly arranged on the transmission gear, the other end of the rotating shaft is vertically drooping and coaxially and rotatably connected to the sleeve, the two guide blocks are symmetrically arranged on the side wall of the sleeve, one end of the guide block, far away from the sleeve, is slidably connected to the transmission rail, and guide grooves for the two guide blocks to be clamped and slid are formed in both sides of the sleeve on the transmission rail; one end of the hanger is arranged on the sleeve, and the other end of the hanger vertically falls below the conveying track along the vertical direction.

By adopting the technical scheme, the arranged row teeth, the transmission gear and the rotating shaft can be meshed with the row teeth through the gear to enable the hanger to move along the conveying track, so that the friction force between the hanger and the conveying track is reduced; the sleeve, the guide block and the guide groove are arranged, so that the gear does not influence the movement of the hanger when rotating, and meanwhile, the gear plays a role in guiding in the movement process of the hanger, and the hanger can move along the conveying track conveniently.

Optionally, a plurality of the moving member divide into a plurality of groups, actuating mechanism corresponds a plurality of groups the moving member is provided with a plurality of groups, including servo motor, drive wheel and drive belt, servo motor sets up in every group the moving member direction of feed is foremost in the sleeve position, the coaxial setting of drive wheel is in the axis of rotation, just two trough of belt have been seted up on the drive wheel, the drive belt cover is established adjacent two on the drive wheel of axis of rotation, and can make every group the axis of rotation synchronous rotation.

By adopting the technical scheme, the moving parts on the conveying track are controlled in batches by the servo motor, the driving wheel and the driving belt, the rotating shafts in the same group can be synchronously rotated, the movement of each batch is not interfered, the workpieces can be independently moved and processed in different procedures, the time is reasonably utilized, and the workpiece spraying efficiency is improved.

Optionally, the pretreatment device comprises a lifting table, and a degreasing tank, a cleaning tank and an air drying mechanism which are sequentially arranged along the feeding direction, wherein the degreasing tank and the cleaning tank are both arranged below the conveying rail and on the lifting table; the air drying mechanism comprises a plurality of air dryers, and the plurality of air dryers are arranged on two sides of the conveying track along the length direction of the conveying track.

Through adopting above-mentioned technical scheme, elevating platform, degreasing bath, washing tank and the air-dry mechanism that sets up can make degreasing bath and washing tank rise to degrease, wash and air-dry the work piece, be convenient for handle workpiece surface's grease and debris, the coating adhesion of being convenient for is on workpiece surface, and the elevating platform that sets up simultaneously can go up and down at any time, the motion of the work piece on transfer orbit of being convenient for.

Optionally, be provided with in the washing tank and wash the mechanism, wash the mechanism and include high-pressure water pump, scavenge pipe and a plurality of high-pressure squirt, the scavenge pipe centers on the washing tank sets up the washing tank inner wall, high-pressure water pump sets up in the washing tank and with the scavenge pipe intercommunication, it is a plurality of the high-pressure squirt sets up on the scavenge pipe and towards the washing tank center sets up.

Through adopting above-mentioned technical scheme, high-pressure water pump, scavenge pipe and the high-pressure squirt of setting can use the high-pressure squirt to spray the high-pressure water to the work piece and wash after the washing tank is sunk to the work piece, improves workpiece surface's clearance effect, the adhesion of the coating of being convenient for.

Optionally, the curing device includes drying oven, heating pipe, ventilation pipe and air-blower, the drying oven sets up to hollow bridge type drying oven, the transfer orbit passes the drying oven setting, the heating pipe evenly sets up in the cavity inner chamber of drying oven, ventilation pipe one end stretches into the cavity inner chamber setting of drying oven, the other end be used for with the air-blower intercommunication, if the air outlet has been seted up to the drying oven inner wall, the air outlet with the cavity inner chamber intercommunication of drying oven.

Through adopting above-mentioned technical scheme, drying furnace, heating pipe, ventilation pipe and the air-blower that sets up, the heating pipe is to heating along the gas that the cavity inner chamber of breather pipe got into drying furnace to blow the work piece after the hot-blast to the spraying through the air-blower, dry the solidification to the work piece, the coating dehydration solidification of being convenient for reduces the time of coating solidification at the work piece surface, improves the solidification efficiency of coating.

In summary, the present application includes at least one of the following beneficial technical effects:

1. the conveying device and the spraying device can be used for spraying the workpiece, so that the corrosion-resistant and rust-resistant effects of the workpiece are improved, the surface of the workpiece is protected, and the circulation of spraying the workpiece is realized; the pretreatment device and the curing device are arranged, so that the workpiece is cleaned and degreased before spraying, and the coating on the surface of the workpiece is cured after spraying, so that the coating can be conveniently adhered and fixed on the surface of the workpiece, the workpiece is conveniently protected, and the fixing effect of the coating is enhanced; the rotary piece, the rotating shaft, the rotary disc, the supporting rod and the connecting plate are arranged, so that the workpiece can be sprayed in multiple directions, the sprayed coating is more uniform, and the spraying effect is improved;

2. the arranged air cylinder can adjust the distance between the two connecting plates, so that feeding and discharging of workpieces are facilitated, and meanwhile, the spraying mechanism can be suitable for spraying workpieces with larger volumes, and the applicability of the spraying mechanism is improved;

3. the collection hole, the collecting vat, high-pressure pump and the collecting pipe that set up can make the unnecessary coating of spraying mechanism spun get into the collecting vat along the collection hole under the effect of high-pressure pump to get into the feed tank along with the collecting pipe and reuse, save the resource, reduce the waste of coating.

Drawings

Fig. 1 is a schematic view of the overall structure of a coating line according to an embodiment of the present application.

Fig. 2 is an internal schematic view of the transfer rail of fig. 1.

Fig. 3 is a schematic structural view of the moving member of fig. 2.

FIG. 4 is a schematic view of the interior of the sink of FIG. 1.

Fig. 5 is an internal schematic view of the body of fig. 1.

Fig. 6 is an internal schematic view of the drying oven of fig. 1.

Description of reference numerals: 1. a conveying device; 11. a support; 12. a transfer rail; 13. a moving member; 131. a transmission gear; 132. a rotating shaft; 133. a sleeve; 134. a guide bar; 135. a guide block; 14. a hanger; 15. a drive mechanism; 151. a servo motor; 152. a driving wheel; 153. a transmission belt; 16. a slide rail; 17. tooth arrangement; 18. a partition plate; 19. a guide groove; 2. a pretreatment device; 21. a lifting platform; 211. a support plate; 212. a hydraulic cylinder; 22. a degreasing tank; 23. a cleaning tank; 24. a flushing mechanism; 241. a high pressure water pump; 242. cleaning the tube; 243. a high pressure water gun; 25. an air drying mechanism; 251. an air dryer; 3. a spraying device; 31. a spraying mechanism; 311. a feeding tank; 312. a high pressure hose; 313. a booster pump; 314. an atomizing spray gun; 315. a waste collection member; 3151. a collection well; 3152. collecting tank; 3153. a collection pipe; 3154. a high pressure pump; 32. a rotating mechanism; 321. a rotating member; 3211. rotating the motor; 3212. a driving gear; 3213. a driven gear; 322. a rotating shaft; 323. a support plate; 324. a cylinder; 325. a turntable; 326. a support bar; 327. a connecting plate; 33. a body; 4. a curing device; 41. a drying oven; 42. heating a tube; 43. a vent pipe; 44. a blower; 45. and (7) air outlet.

Detailed Description

The present application is described in further detail below with reference to figures 1-6.

The embodiment of the application discloses a coating production line. Referring to fig. 1, the coating line includes a conveyor 1, and a pretreatment device 2, a spray device 3, and a curing device 4 sequentially provided on the conveyor 1; the pretreatment device 2 can clean the surface of a workpiece, and the curing device 4 can dry and cure the surface of the sprayed workpiece; the painting device 3 includes a body 33, and a painting mechanism 31 and a rotating mechanism 32 provided on the body 33.

Referring to fig. 1 and 2, the transfer device 1 includes a support 11, a transfer rail 12, a plurality of moving members 13, a hanger 14, and a driving mechanism 15. Referring to fig. 3, the plurality of moving members 13 are divided into a plurality of groups, each moving member 13 includes a transmission gear 131, a rotating shaft 132, a sleeve 133 and a pair of guide blocks 135, and the driving mechanism 15 is provided with a plurality of groups corresponding to the plurality of groups of moving members 13, including a servo motor 151, a transmission wheel 152 and a transmission belt 153; the conveying track 12 is welded on the support 11 and is arranged far away from the ground, the conveying track 12 is connected end to end, the bottom wall of the conveying track 12 is provided with a slide rail 16, the slide rail 16 comprises a horizontal section and a vertical section from top to bottom along the vertical direction, the transmission gear 131 is arranged in the slide rail 16, both sides of the inner wall of the horizontal section are provided with row teeth 17 meshed with the transmission gear 131, one end of the rotating shaft 132 is coaxially welded on the transmission gear 131, and the other end of the rotating shaft droops vertically and is coaxially and rotatably connected onto the sleeve 133 through a bearing; two guide rods 134 are oppositely welded on the side wall of the sleeve 133 in the direction close to the vertical section, two guide blocks 135 are respectively welded on one ends of the two guide rods 134 far away from the sleeve 133, and guide grooves 19 for clamping and sliding the two guide blocks 135 are formed in the inner wall of the vertical section on two sides of the sleeve 133; the sleeve 133 is welded with a partition plate 18 at one end away from the transmission gear 131, the hanger 14 is arranged between the conveying track 12 and the ground, one end of the sleeve is welded on the partition plate 18, and the other end of the sleeve vertically falls below the conveying track 12. The servo motor 151 is arranged at the position of the sleeve 133 at the foremost end of the feeding direction of each group of moving parts 13, and the output shaft of the servo motor 151 is coaxially welded on the rotating shaft 132; the driving wheel 152 is coaxially welded on the rotating shaft 132, two belt grooves are formed in the driving wheel 152, the driving belt 153 is sleeved on the driving wheels 152 of the two adjacent rotating shafts 132, and each group of rotating shafts 132 can synchronously rotate.

Referring to fig. 1 and 4, the pretreatment apparatus 2 includes a lift table 21, and a degreasing tank 22, a cleaning tank 23, a washing mechanism 24, and an air drying mechanism 25 which are sequentially provided in a feeding direction; the lifting platform 21 comprises a supporting plate 211 and four hydraulic cylinders 212, the four hydraulic cylinders 212 are fixed on the ground below the conveying track 12 through expansion bolts, and the bottom wall of the supporting plate 211 is welded on piston rods of the four hydraulic cylinders 212 near four corners. The degreasing tank 22 and the cleaning tank 23 are welded on the supporting plate 211, the degreasing tank 22 is filled with acid solution, and the cleaning tank 23 is filled with water. Washing mechanism 24 includes high-pressure water pump 241, scavenge pipe 242 and a plurality of high-pressure squirt 243, and scavenge pipe 242 sets up and fixes at the washing tank 23 inner wall through the buckle around washing tank 23 inner wall, and high-pressure water pump 241 places in washing tank 23 and with scavenge pipe 242 flange intercommunication, a plurality of high-pressure squirt 243 threaded connection on scavenge pipe 242 and with scavenge pipe 242 intercommunication, a plurality of high-pressure squirt 243 set up towards washing tank 23 center. The seasoning mechanism 25 includes two pairs of dryers 251, the two pairs of dryers 251 are placed on the ground on both sides of the conveying track 12 along the length direction of the conveying track 12, and the dryers 251 are both disposed toward the lower side of the rack 14.

Referring to fig. 1 and 5, the rotating mechanism 32 includes a rotating member 321, a rotating shaft 322, a supporting plate 323, two cylinders 324, a turntable 325, a plurality of supporting rods 326 and two semicircular connecting plates 327, which are arranged from bottom to top, and the rotating member 321 includes a rotating motor 3211, a driving gear 3212 and a driven gear 3213; offer the feedstock channel that supplies conveyer 1 to pass on the organism 33, pivot 322 one end is passed through the bearing and is rotated and connect at the feedstock channel diapire, the other end welding is on backup pad 323 diapire, driving gear 3212 coaxial welding is on pivot 322, rotate motor 3211 and pass through the bolt fastening at the feedstock channel diapire, driven gear 3213 coaxial welding is on the output shaft of rotating motor 3211, and driving gear 3212 and driven gear 3213 mesh set up. The ends, far away from the piston rods, of the two cylinders 324 are oppositely arranged, the side walls of the cylinders 324 are welded to the top wall of the supporting plate 323, the rotary table 325 is divided into two semicircular rotary tables 325 along the length direction of the feeding channel, the two rotary tables 325 are respectively welded to the piston rods of the two cylinders 324, and the piston rods of the cylinders 324 are axially perpendicular to the direction of the feeding channel. One end of each support bar 326 is vertically welded on the rotary table 325, the other end is welded on two connecting plates 327, and the two connecting plates 327 correspond to the two rotary tables 325 and are close to the two sides of the feeding channel.

Referring to fig. 1 and 5, the spraying mechanism 31 includes a feeding box 311, a high-pressure hose 312, a booster pump 313, a plurality of atomizing spray guns 314 and a waste collecting member 315, the feeding box 311 is disposed on one side of the machine body 33, the high-pressure hose 312 includes a main pipe and a plurality of branch pipes which are communicated with each other, one end of the main pipe is welded and communicated with the feeding box 311, the other end of the main pipe coaxially penetrates through the rotating shaft 322 and the supporting plate 323 and is connected with the rotating shaft 322 through a rotating joint, the plurality of branch pipes are disposed at one end of the main pipe penetrating through the rotating shaft 322 and are fixed on the supporting rods 326 through buckles, the plurality of atomizing spray guns 314 are connected to the branch pipes in a threaded manner and all face to the region between the plurality of supporting rods 326; the booster pump 313 is flanged to and communicates with the manifold. The waste collecting part 315 comprises a collecting pipe 3153 and a high-pressure pump 3154, a plurality of collecting holes 3151 are formed in the side wall and the bottom wall of the feeding channel, mutually communicated collecting grooves 3152 are formed in the side wall and the bottom wall of the feeding channel, one end of the collecting pipe 3153 is in welding communication with the collecting grooves 3152, the other end of the collecting pipe 3153 is in welding communication with the feeding box 311, and the high-pressure pump 3154 is in flange connection with the collecting pipe 3153 and is communicated with the feeding box 311.

Referring to fig. 1 and 6, the curing device 4 includes a drying oven 41, a heating pipe 42, a ventilation pipe 43 and an air blower 44, the drying oven 41 is a hollow bridge type drying oven 41, the conveying rail 12 passes through the drying oven 41, the heating pipe 42 is uniformly fixed in a hollow inner cavity of the drying oven 41 through a buckle, one end of the ventilation pipe 43 is welded on the drying oven 41 and is communicated with the hollow inner cavity of the drying oven 41, the other end of the ventilation pipe is used for being communicated with the air blower 44 through a bolt, an air outlet 45 is formed in the inner wall of the drying oven 41, and the air outlet 45 is communicated with the hollow inner cavity of the drying oven 41.

The application principle of a coating production line in the embodiment of the application is as follows: when spraying is carried out on a workpiece, the workpiece is moved and hung on the hanger 14, the servo motor 151 is adjusted to be started, so that the output shaft of the servo motor 151 drives the rotating shaft 322 and the transmission gear 131 on the rotating shaft 322 to rotate, the transmission gear 131 drives the sleeve 133 and the sliding block on the sleeve 133 to slide along the sliding groove, and the hanging piece is further driven to slide along the conveying track 12; when the rotating shaft 322 rotates, the driving wheel 152 and the driving belt 153 on the rotating shaft 322 can be driven to rotate, so that the adjacent rotating shaft 322 and the transmission gear 131 are driven to rotate, the hanging tool 14 and the workpiece are driven to synchronously move along with the adjacent hanging tool 14, and synchronous movement of the same group of hanging parts and the workpiece is realized. The hanger 14 drives the workpiece to move along the transmission track until the workpiece moves above the degreasing tank 22, the four hydraulic cylinders 212 below the degreasing tank 22 are adjusted to be opened, so that piston rods of the hydraulic cylinders 212 push the supporting plate 211 and the degreasing tank 22 to vertically move upwards until the workpiece extends into the degreasing tank 22 for degreasing, and then the degreasing tank 22 is adjusted to reset; the workpiece is adjusted to move continuously until the workpiece reaches the upper part of the cleaning tank 23, four hydraulic cylinders 212 below the cleaning tank 23 are adjusted to be opened, so that piston rods of the hydraulic cylinders 212 push the supporting plate 211 and the cleaning tank 23 to move vertically upwards until the workpiece extends into the cleaning tank 23 to be cleaned, and meanwhile, the high-pressure water pump 241 is adjusted to be opened, so that high-pressure water is sprayed out from the cleaning pipe 242 along the high-pressure water gun 243 to clean the workpiece until the workpiece is cleaned, and then the cleaning tank 23 is adjusted to reset. Then, the two cylinders 324 are adjusted to be started until the piston rods of the cylinders 324 drive the two turntables 325 and the supporting rod 326 to be away from or close to each other until the distance between the two turntables 325 is adapted to the width of the workpiece; then the adjustment hanger 14 continues to move until the hanger 14 drives the workpiece to move between the two turntables 325, and then the two turntables 325 are adjusted and drive the support rod 326 to move close to the workpiece until the width of the workpiece is adapted. The booster pump 313 is regulated to be started, so that the coating in the feeding box 311 enters the branch pipes along with the main pipe and is sprayed out by the atomizing spray gun 314 to spray the workpiece; then, the rotating motor 3211 is adjusted to rotate, so that the output shaft of the rotating motor 3211 drives the rotating shaft 322, the supporting plate 323 above the rotating shaft 322 and the turntable 325 to rotate, and further drives the supporting rod 326 and the branch pipes on the supporting rod 326 to rotate around the workpiece, so as to spray the workpiece until the surface of the workpiece is uniformly sprayed. When the workpiece is sprayed, the high-pressure pump 3154 is adjusted to be started, and the sprayed excessive coating enters the collecting tank 3152 along the collecting hole 3151 under the action of the high-pressure pump 3154 and enters the feeding tank 311 along with the collecting pipe 3153. Adjusting the two cylinders 324 to drive the two turnplates 325 to reset, continuing to adjust the hanging piece to drive the workpiece to move along the conveying track 12 until the workpiece leaves the feeding channel and moves into the drying furnace 41, adjusting the heating pipe 42 to start, so that the heating rod heats the air in the hollow inner cavity of the drying furnace 41, and adjusting the blower 44 to open at the same time, so that hot air is blown out along the air outlet 45 to cure the workpiece until the curing of the workpiece is completed. Finally, the hanger 14 is adjusted to continuously drive the workpiece to be far away from the drying oven 41 and take the workpiece off the hanger 14, and the workpiece is sprayed.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. A coating production line is characterized in that: comprises a conveying device (1), and a pretreatment device (2), a spraying device (3) and a curing device (4) which are arranged on the conveying device (1) in sequence; the pretreatment device (2) can clean the surface of a workpiece, and the curing device (4) can dry and cure the sprayed surface of the workpiece;

the conveying device (1) comprises a support (11), a conveying track (12), a plurality of moving parts (13) connected to the conveying track (12) in a sliding mode, a hanger (14) arranged on the moving parts (13) and a driving mechanism (15); the conveying track (12) is arranged on the support (11) and is far away from the ground, the conveying track (12) is connected end to end, the hanging tool (14) is arranged between the conveying track (12) and the ground and can slide along the conveying track (12) along with the moving part (13), and the driving mechanism (15) is arranged on the conveying track (12) and can enable all the hanging tools (14) to move synchronously;

the spraying device (3) comprises a machine body (33), a spraying mechanism (31) and a rotating mechanism (32) which are arranged on the machine body (33), wherein a feeding channel for the transmission rail (12) and the hanging piece to pass through is formed in the machine body (33); the rotating mechanism (32) comprises a rotating part (321), a rotating shaft (322), a rotating disc (325), a plurality of supporting rods (326) and two semicircular connecting plates (327) which are arranged from bottom to top, one end of the rotating shaft (322) is rotatably connected to the bottom wall of the feeding channel, the other end of the rotating shaft is arranged on the rotating disc (325), the plurality of supporting rods (326) are vertically arranged on the rotating disc (325), and the two connecting plates (327) are arranged at one ends, far away from the rotating disc (325), of the supporting rods (326) and are respectively arranged at two sides of the feeding channel; the rotating piece (321) is arranged on the bottom wall of the feeding channel and can enable the rotating shaft (322) to rotate; the spraying mechanism (31) is arranged on the supporting rod (326) and can spray between the two connecting plates (327);

the moving piece (13) comprises a transmission gear (131), a rotating shaft (132), a sleeve (133) and a pair of guide blocks (135), both sides of the inner wall of the conveying track (12) are provided with row teeth (17) meshed with the transmission gear (131), the transmission gear (131) is meshed on the conveying track (12), one end of the rotating shaft (132) is coaxially and fixedly arranged on the transmission gear (131), the other end of the rotating shaft is vertically drooped and coaxially and rotatably connected onto the sleeve (133), the two guide blocks (135) are symmetrically arranged on the side wall of the sleeve (133), one end, far away from the sleeve (133), of each guide block (135) is slidably connected onto the conveying track (12), and guide grooves (19) for the two guide blocks (135) to be clamped and slid are formed in both sides of the sleeve (133) on the conveying track (12); one end of the hanger (14) is arranged on the sleeve (133), and the other end of the hanger vertically falls below the conveying track (12) along the vertical direction;

a plurality of moving member (13) divide into a plurality of groups, actuating mechanism (15) correspond a plurality of groups moving member (13) are provided with a plurality of groups, including servo motor (151), drive wheel (152) and drive belt (153), servo motor (151) set up in every group moving member (13) feed direction foremost on sleeve (133) position, drive wheel (152) coaxial setting is in on axis of rotation (132), just two trough of belt have been seted up on drive wheel (152), drive belt (153) cover is established adjacent two on drive wheel (152) of axis of rotation (132), and can make every group axis of rotation (132) synchronous rotation.

2. The coating line of claim 1, characterized in that: slewing mechanism (32) still include two cylinders (324), two piston rod one end is kept away from in cylinder (324) and all sets up pivot (322) are close to carousel (325) one end, carousel (325) are followed feed channel length direction separates into two semicircle carousel (325), and sets up respectively two on the piston rod of cylinder (324), the piston rod axial perpendicular to of cylinder (324) the feed channel direction sets up.

3. The coating line of claim 1, characterized in that: the spraying mechanism (31) comprises a feeding box (311), a high-pressure hose (312), a booster pump (313) and a plurality of atomizing spray guns (314), wherein the feeding box (311) is arranged on the machine body (33), the high-pressure hose (312) comprises a main pipe and a plurality of branch pipes which are mutually communicated, one end of the main pipe is communicated with the feeding box (311), the other end of the main pipe coaxially penetrates out of a rotating shaft (322) from bottom to top and is connected with the rotating shaft (322) through a rotating joint, the branch pipes are arranged at one end, penetrating out of the rotating shaft (322), of the main pipe and are arranged on the supporting rods (326), and the atomizing spray guns (314) are arranged on the branch pipes and face towards areas among the supporting rods (326); the booster pump (313) is arranged on the header pipe and communicated with the header pipe.

4. The coating line of claim 3, characterized in that: the spraying mechanism (31) comprises a waste collecting piece (315), the waste collecting piece (315) comprises a collecting pipe (3153) and a high-pressure pump (3154), a plurality of collecting holes (3151) are formed in the side wall and the bottom wall of the feeding channel, collecting grooves (3152) which are mutually communicated are formed in the side wall and the bottom wall of the feeding channel, one end of the collecting pipe (3153) is communicated with the collecting groove (3152), the other end of the collecting pipe is communicated with the feeding box (311), and the high-pressure pump (3154) is arranged on the collecting pipe (3153) and is communicated with the feeding box (311).

5. The coating line of claim 1, characterized in that: the pretreatment device (2) comprises a lifting platform (21), and a degreasing tank (22), a cleaning tank (23) and an air drying mechanism (25) which are sequentially arranged along the feeding direction, wherein the degreasing tank (22) and the cleaning tank (23) are both arranged below the conveying rail (12) and on the lifting platform (21); the air drying mechanism (25) comprises a plurality of air dryers (251), and the plurality of air dryers (251) are arranged on two sides of the conveying track (12) along the length direction of the conveying track (12).

6. The coating line of claim 5, characterized in that: be provided with in washing tank (23) and wash mechanism (24), wash mechanism (24) including high-pressure water pump (241), scavenge pipe (242) and a plurality of high-pressure squirt (243), scavenge pipe (242) center on washing tank (23) set up washing tank (23) inner wall, high-pressure water pump (241) set up in washing tank (23) and with scavenge pipe (242) intercommunication, a plurality of high-pressure squirt (243) set up on scavenge pipe (242) and towards washing tank (23) center sets up.

7. The coating line of claim 1, characterized in that: solidification equipment (4) are including drying furnace (41), heating pipe (42), ventilation pipe (43) and air-blower (44), drying furnace (41) set up to hollow bridge type drying furnace (41), transfer orbit (12) pass drying furnace (41) set up, heating pipe (42) evenly set up in the cavity inner chamber of drying furnace (41), ventilation pipe (43) one end stretches into the cavity inner chamber setting of drying furnace (41), the other end be used for with air-blower (44) intercommunication, if air outlet (45) have been seted up to drying furnace (41) inner wall, air outlet (45) with the cavity inner chamber intercommunication of drying furnace (41).