CN213079017U

CN213079017U - Wall outer decorative plate forming post-processing system

Info

Publication number: CN213079017U
Application number: CN202021549524.3U
Authority: CN
Inventors: 汤如松
Original assignee: Wanzai Pengwei Industrial Co Ltd
Current assignee: Tang Ping
Priority date: 2020-07-30
Filing date: 2020-07-30
Publication date: 2021-04-30
Anticipated expiration: 2030-07-30

Abstract

The utility model discloses a wall outer decorative plate shaping after-treatment system. Including the stoving passageway, corresponding air-dry system, air-dry system include power heating device, set up in the air distribution chamber of stoving passageway bottom, being connected with power heating device, the air distribution chamber roof comprises the bottom plate of stoving passageway, and the bottom plate of stoving passageway is equipped with the cloth wind mesh board, power heating device includes that its air feed mouth connects in the hot-blast room that takes place of air distribution chamber, air-dry system includes return air circulation system, return air circulation system is including setting up in a plurality of circulation surge chambers at stoving passageway top, circulation surge chamber entry linkage in stoving passageway upper portion, the export of circulation surge chamber through corresponding circulation tuber pipe with the hot-blast room is connected. The wall outer decorative plate forming post-processing system is simple and reasonable in structure and simple and convenient to operate.

Description

Wall outer decorative plate forming post-processing system

Technical Field

The utility model relates to a wall outer decorative board shaping after-treatment system for preparation such as fitment decorative board.

Background

With the continuous progress of technology, the continuous development of economy and the continuous improvement of the requirements of quality of life, no matter the modern decoration and fitment of indoor, outdoor and/or outer wall, aluminum-plastic plates, aluminum alloy plates, stainless steel plates, copper plates and the like are increasingly used to replace materials such as ceramic tiles, paint, wallpaper, plywood and the like. When aluminum plastic plates, aluminum alloy plates, stainless steel plates, copper plates and the like are used as decoration plates, due to the processing and manufacturing devices in the forming process, dirty substances such as lubricating grease and the like can be adhered to the surface of a formed workpiece in the forming and manufacturing process, so that certain difficulty exists in subsequent processing of forming work, and the production quality of products is influenced. Therefore, the formed plate workpiece needs to be correspondingly processed to meet the corresponding quality requirements, for example, the formed plate is subjected to surface oil dirt removing and cleaning, surface spraying treatment, drying treatment and the like, so that the decoration is beautiful, the corrosion resistance and the weather resistance are strong, the color is not changed for a long time, the luster is kept for a long time, the corrosion and the peeling are not caused for a long time, and the like. It is necessary to adopt relatively better, more complete and more reasonable processing technology and processing equipment to carry out a series of corresponding treatments on the formed parts so as to meet the quality requirements of products. Similar existing treatment processes, treatment equipment, and devices have technical improvements and increased needs and space. The improvement of the treatment process and the treatment device which are relatively more reasonable, and the improvement of the treatment quality of modern decoration plates are the targets of continuous research and development of technicians in the field.

SUMMERY OF THE UTILITY MODEL

The utility model aims at the problem that above-mentioned prior art exists, provide a wall outer decorative board shaping after-treatment system. The wall outer decorative plate forming post-treatment system is simple and reasonable in structure, simple and convenient to operate, and capable of better performing cleaning, spraying, drying and other treatments on a formed workpiece.

The technical scheme of the utility model including the stoving passageway, corresponding air-dry system, air-dry system includes power heating device, set up in the air distribution chamber that is connected with power heating device of stoving passageway bottom, the air distribution chamber roof comprises the bottom plate of stoving passageway, and the bottom plate of stoving passageway is equipped with the cloth wind mesh board, power heating device includes that its air feed mouth connects in the hot-blast room that takes place of air distribution chamber, air-dry system includes return air circulation system, return air circulation system is including setting up in a plurality of circulation surge chambers at stoving passageway top, circulation surge chamber access connection in stoving passageway upper portion, the export of circulation surge chamber through corresponding circulation tuber pipe with hot-blast room connects.

The utility model discloses treatment system after wall outer decorative plate shaping is simple structure, reasonable not only, moreover, because the rationality of its device structure, its corresponding surface cleaning, spray paint and drying process are effectual, and the treatment effeciency is high, easy operation, relatively more energy-conserving, environmental protection. The manufacturing quality of the corresponding decorative plate is ensured.

Drawings

Fig. 1 is a schematic front view of an embodiment of the present invention; FIG. 2 is a schematic top view of the structure of FIG. 1; FIG. 3 is a schematic cross-sectional view of a corresponding portion of an embodiment of the variable direction nozzle device of the present invention; FIGS. 4 and 5 are schematic views of an embodiment of a limited freedom variation spray nozzle assembly for a dryer and a washer, respectively; FIG. 6 is a schematic cross-sectional view of one embodiment of a spray booth; FIG. 7 is a schematic cross-sectional view taken along line A-A of FIG. 6; FIG. 8 is a schematic perspective view of an embodiment of a baking room with cut-away and omitted drawings from the middle; FIG. 9 is a schematic view of the longitudinal or lateral cut-through structure of FIG. 8; FIG. 10 is a schematic top view of the structure of FIG. 8; FIG. 11 is a schematic view of a three-dimensional structure of a frame-shaped dynamic screen isolated directional air distribution chamber of a drying room; FIG. 12 is a schematic cross-sectional view of FIG. 11; fig. 13 is a block diagram of the system of the present invention; figure 14 is an end view of another embodiment of a drying room.

Detailed Description

In order to facilitate a better understanding of the present invention, the present invention will be further described with reference to the following embodiments and drawings.

As shown in fig. 13. The utility model discloses a cleaning device 1, the room 21 that sprays paint to and stoving room 31 etc.. The cleaning treatment device is used for cleaning the decorative plate workpiece which is processed and molded by the corresponding forming and processing device according to the shapes and structures of various decorative plates, removing oil dirt and other substances on the surface, then the cleaned workpiece is subjected to paint spraying surface treatment by the paint spraying room, and finally the workpiece with the paint sprayed on the surface is subjected to drying treatment by the drying room 31.

The utility model discloses its clean processing apparatus of system, spray paint room and stoving room can be carried in step by a closed loop chain belt conveyor, clean processing apparatus 1, spray paint room 21 and its chain belt conveyor of stoving room can set up in corresponding processing channel outside top or inside in unison, also can set up in the outside individually, or inside, can set up as required and the structural feature of device.

The cleaning device 1 of the utility model is shown in figures 1-5. Comprises a cleaning channel 2, a cleaning device arranged in the cleaning channel, and the like. The top plate of the cleaning channel is provided with a conveying guide opening notch 10 for the workpiece such as the processed formed plate material.

The cleaning channel is sequentially provided with a pre-cleaning area 11, a degreasing area 12, a degreasing drying area 13, a buffer area 14, a neutralization cleaning area 15, a neutralization cleaning drying area, a purification cleaning area 16, a drying area 17 and the like which are communicated with each other from an input port (workpiece input port) to an output port (workpiece output port).

The cleaning device comprises a cleaner and a dryer, the cleaner and the dryer respectively comprise a limited free deformation variable spray pipe device, the limited free deformation variable spray pipe device comprises a self-adaptive dynamic coupling connecting device and a corresponding spray pipe 3 movably arranged on the self-adaptive dynamic coupling connecting device.

The self-adaptive dynamic coupling connecting device comprises an open or tubular guide sleeve 8 fixedly connected with the corresponding side wall of the cleaning channel and movably sleeved on the upper part of the spray pipe, an open stabilizing sleeve 9 arranged at the middle lower part of the spray pipe in a spacing type movable limiting sleeve mode, an open stabilizing sleeve 8 fixedly connected with the corresponding side wall of the cleaning channel and movably sleeved on the middle lower part of the spray pipe 3, a supporting convex ring 4 fixed on the outer side wall of the spray pipe and movably connected with the upper end surface of the guide sleeve in a contact type supporting mode, and a free metamorphosis movable limiting device.

The free metamorphosis activity limiting device comprises a flexible connecting device and a direction-changing limiting device. The flexible connection means comprise a hose 20 connected to the medium inlet port 7 of the nozzle 3, which is connected via its hose 20 to a corresponding source of drying or cleaning medium.

The turning degree limiting device comprises a turning stroke groove 18 which is arranged on the inner side wall surface of the guide sleeve 8 and has a certain width, and a limiting coupling convex body 19 which is narrower than and correspondingly movably connected to the turning stroke groove 18. When the cleaning machine works, the spray pipes can randomly form small-amplitude rotation and vertical displacement change to form dynamic blowing type cleaning and cleaning. The rotation amplitude is determined by the corresponding interval between the direction-changing travel groove and the limit coupling convex body.

The nozzle is movably limited by the interval or clearance type of the guide sleeve 8 and the open type stabilizing sleeve 9, the supporting convex ring 4 can be movably supported on the guide sleeve up and down or in a rotating way, and the open type stabilizing sleeve 9 can prevent the lower part of the nozzle from excessively swinging.

The medium input port (medium input port) 7 of the nozzle is arranged on the opposite side of the nozzle, the axis of the medium input port is perpendicular to the axis of the nozzle and is positioned at the edge of the corresponding side of the nozzle, and meanwhile, on the cross section of the nozzle, the axial direction line of the medium input port is the same as the tangential direction of the edge of the corresponding side wall of the nozzle (or the extension line of the edge of the inner side wall of the corresponding side of the medium input port is the same as the tangential direction of the coincident point of the edge of the corresponding side wall of the nozzle).

The spray pipes of the dryer are a plurality of air drying spray pipes 3b which are respectively arranged on the two opposite side walls of the cleaning channel of the pre-cleaning area, the drying area, the neutralization cleaning drying area and the drying area, and the medium input ports of the air drying spray pipes 3b are connected with corresponding air sources at a certain temperature. The spray pipes of the cleaner comprise a plurality of cleaning spray pipes 3a which are respectively arranged on two opposite side walls of a cleaning channel of the degreasing area, the neutralization cleaning area and the purification cleaning area, and the medium input ports of the cleaning spray pipes are connected with a corresponding cleaning medium source at a certain temperature. The cleaning spray pipes are respectively provided with round nozzles 5, the air drying spray pipes are provided with rectangular nozzles, and the corresponding nozzles of the adjacent air drying spray pipes and the cleaning spray pipes are arranged in a staggered way from top to bottom.

The corresponding air drying spray pipes on the two opposite sides of the cleaning channel and the nozzles of the cleaning spray pipes are opposite and corresponding to each other and are respectively arranged in an inclined way along the conveying advancing direction of the workpieces. The corresponding air drying spray pipes and the corresponding cleaning spray pipes on the two opposite sides of the cleaning channel are arranged in a staggered mode in the workpiece conveying direction.

The lower end of the air drying spray pipe is blocked. The cleaning spray pipe is provided with an automatic cleaner. The automatic cleaner comprises a horn-shaped cleaning spray head 6 and a purging orifice plate 6 a; the horn-shaped cleaning spray head 6 is connected to the lower end opening of the cleaning spray pipe, the purging orifice plate 6a is arranged at the inlet end of the horn-shaped cleaning spray head 6, the horn-shaped cleaning spray heads 6 of the cleaning spray pipes on the two opposite sides of the cleaning channel are staggered, arranged oppositely and correspondingly downwards and are corresponding to the ground of the corresponding part of the cleaning channel. It can be at the in-process of implementing the washing operation to the work piece, through its throttle action of sweeping orifice plate 6a, partial corresponding cleaning medium of reposition of redundant personnel is simultaneously carried out the injection formula to the diapire face or the ground of washing the passageway all the time and is cleaned the washing, avoids washing passageway ground and accumulates dirty scale deposit along with the time, makes the diapire face not have any accumulation dirt to form, need not to carry out the secondary cleaning of extra difficulty again and sweeps the dirt and clear away to washing passageway ground, has the operation result of use twice with half the effort. The purging orifice plate is provided with a plurality of through holes, and the distribution throttling quantity can be adjusted in a mode of blocking part of the through holes. To adjust the cleaning degree of the automatic cleaner.

The flat rectangle of injector head is cleaned to tubaeform, and its flat rectangular formula tubaeform cleans injector head structural shape and does: the width of the cavity in the horizontal direction is far larger than the height of the cavity in the vertical direction on the cross section of the cavity. So as to obtain a large-area and high-efficiency cleaning effect.

The utility model discloses, the spray tube of limited free metamorphosis diversion spray tube device utilizes the activity direction interval or the clearance of its self-adaptation dynamic coupling connecting device and spray tube, shape change or the different shapes at different positions through raw materials panel, conveying speed's change or fluctuation, and wash or dry medium's pressure flow's fluctuation changes etc., constitute artificial dynamic diversion of emulation and/or reciprocate to sweep the formula jetting washing or drying from top to bottom, it can obtain very good scrubbing and wash clean effect, raw materials panel washs clean very much, fundamentally has increased substantially decorative board product production quality.

When the device is used for cleaning, the plate (workpiece) is conveyed to the open notch by the circular conveying chain belt which is formed by the device for cleaning the surface of the formed plate into a closed loop and is integrated with the surface of the formed plate, and the plate moves from the input end to the output end at a certain running speed to run through the cleaning channel. During the process of passing through the workpiece, the workpiece is respectively and sequentially pre-cleaned in a pre-cleaning area 11, the outer wall surface of the workpiece is blown by heated air at a certain temperature through an air-drying spray pipe to remove adhered dust, sundries, dirty liquid and the like, the workpiece is cleaned by an oil stain removing area 12 to remove oil stains, dirt and dirt, a cleaning spray pipe is used for cleaning and cleaning the workpiece by using a weak acid or weak base liquid cleaning medium, the cleaning medium liquid is air-dried and removed through an oil stain removing drying area 13 through the air-drying spray pipe, a buffer area 14 is used for a short buffer time, the weak acid or weak base liquid cleaning medium on the residual surface and the residual dirt and other substances are further acted, the residual weak acid or basic substances and the dirt with corresponding properties adhered to the surface of the plate are neutralized and cleaned by using a weak base or weak liquid cleaning medium through a neutralization cleaning area 15, and the surface liquid is dried and removed through the neutralization cleaning area, the cleaning area 16 is used for cleaning and cleaning the workpiece with residual acid or alkali and other cleaning media to clean and clean the plate thoroughly, and the drying area 17 is dried by the air drying spray pipe with relatively high temperature heated air. Finally, the clean decorative plate which meets the corresponding required quality standard is obtained, and then the decorative plate is sent to the next surface spraying processing and manufacturing procedure for corresponding processing.

The composition and temperature of the cleaning and drying media in each processing area or section, the applied pressure, flow rate, temperature value, temperature, pressure and flow rate change curve and the like of the media can be adjusted correspondingly according to the material property, surface contamination degree, performance property of the contaminated materials and the like of the plate.

In another embodiment of the cleaning apparatus, the dryer includes an air drying nozzle fixedly connected to a corresponding side wall of the cleaning passage, and the cleaner includes a limited free change type direction changing nozzle device.

In another embodiment of the cleaning device, the cleaning nozzle and the air drying nozzle of the cleaner and the dryer are respectively provided with an automatic cleaner. The connecting structure and the connecting arrangement mode of the automatic cleaner are the same as those of the embodiment. The rest of the structure of the present embodiment, the corresponding operation and cleaning method, etc. can be similar to any of the above embodiments.

As shown in fig. 6-7. The spray booth of the embodiment is a separated discharge environment-friendly spray booth 21, which includes a spraying channel 22, spraying robots 27 disposed at two opposite sides in the spraying channel, a gas-liquid reinforced separating device, water curtain plates 25 disposed at two opposite sides of the spraying channel 22, and a water curtain generator. The spraying channel is formed by the inner cavity of the spraying room.

The water curtain generator comprises a water storage tank 26 above two opposite sides of the spraying channel, a coaming on one corresponding side of the water storage tank is formed by the upper plate wall of the water curtain plate, and a water curtain generating opening (or overflow opening) 26a of the water storage tank is formed by a long notch formed in the upper end of the water curtain plate along the length direction of the water curtain plate. The water curtain tank is connected to a water source through a water inlet pipe 29.

The gas-liquid intensified separation device comprises intensified separation flow channels 23 and the like which are arranged on two opposite sides of the paint spraying channel. The reinforced separation flow channel is composed of water curtain plates on two sides and side walls on two opposite sides of the spraying channel. An expanding separation body is arranged in the reinforced separation flow passage. The expanding type separating body comprises flow guide adsorption plates 24 which incline downwards and are mutually and alternately connected with two opposite side walls of the reinforced separation flow channel respectively. The expanded separating body comprises two groups of flow guide adsorption plates which are sequentially downwards inclined, staggered and oppositely corresponding from top to bottom, wherein one group of flow guide adsorption plates is fixedly connected to the inner side wall surface of the water curtain plate, the other group of flow guide adsorption plates are fixedly connected to the side wall of the spraying channel, the other side edges of the two groups of flow guide adsorption plates are free side edges, and the free side edges of the two groups of flow guide adsorption plates are spaced from the corresponding water curtain plate or the spraying channel side wall. The gap forms a continuous flow channel for reinforcing the separation flow channel. The collection inlet 23a of the enhanced separation flow passage is formed by the upper end edge of the water curtain plate and the top wall of the spraying channel. The side wall of the upper spraying channel in the reinforced separation flow channel is provided with one or a plurality of separated gas outlets 23b distributed along the length direction of the spraying channel. The separated gas outlet can be opened at the lower part of the diversion adsorption plate at the corresponding side, and the separated gas can play a certain role in isolating and discharging through the corresponding diversion adsorption plate.

And a dynamic sealing device is arranged at the top of the spraying channel. The top wall of the spraying channel is provided with a conveying guide opening notch 10 for the sprayed workpiece. The dynamic sealing means comprises flexible dynamic corrugated sealing plates 31 attached to opposite side walls of the open mouth of the transport guide respectively. The opposite side edges of the flexible dynamic corrugated sealing plates at the two sides are respectively in corresponding contact type dynamic sealing connection with the two corresponding side walls of a chain belt type conveying device connector (such as a hook rod). The spraying channel top plate structure can effectively and remarkably reduce direct pollution discharge of spraying waste gas (paint mist and the like) from a conveying guide opening notch of the spraying channel top plate. The conveying device is prevented from being integrally arranged in the paint spraying channel and being possibly polluted or damaged, and the waste gas overflow is effectively reduced.

When the spraying robot is operated, a sprayed workpiece enters the spraying channel from one end of the spraying channel at a certain moving speed through the chain belt type conveying device, and is sent out from the other end of the spraying channel after the surface of the workpiece is uniformly sprayed with paint by the spraying robot. The spray nozzle of the paint spraying robot can slide up and down to spray paint through the vertical track of the paint spraying robot. After floating paint mist and the like generated by spraying paint in the inner cavity of the spraying channel enter the enhanced separation channel from the collecting input port, the floating paint mist and the like gradually and repeatedly adsorb and separate the paint mist and the like into liquid by the diversion adsorption plates in the flowing process of passing through the diversion adsorption plates from top to bottom, the separated gas is sent to the gas purification treatment device for further treatment through the separated gas outlet, and the separated liquid is sent to the sewage treatment device for purification treatment through the groove 30 arranged at the bottom of the spraying channel and the enhanced separation channel and the separated liquid outlet 28 thereof.

In another embodiment of the painting booth, the top wall of the painting channel is totally enclosed. The workpiece comprises a conveying device for conveying chain belts and the like, and the conveying device is arranged in the spraying channel. The rest of the structure and the corresponding operation of this example can be similar to the above-mentioned embodiment.

The drying room in this embodiment is shown in fig. 8-12. The top panel is removed to show the interior in figure 8 at one end. In the figure, the arrows with broken lines or solid lines indicate the wind direction. The energy-saving drying room 31 comprises a drying channel 32, an air drying system and the like. The air drying system comprises a return air circulating system, a power heat supply device arranged on one side corresponding to the drying channel 32, an air distribution chamber 39 arranged at the bottom of the drying channel and connected with the power heat supply device, and the like.

The top plate of the air distribution chamber is a bottom plate 46 of the drying channel, and an air distribution mesh plate 44 communicated with the air distribution chamber and the drying channel is distributed on the bottom plate of the drying channel. The return air circulating system comprises a plurality of circulating buffer chambers 40 arranged on the outer wall surface of the top plate of the drying channel, the inlets of the circulating buffer chambers 40 are connected with an open air equalizing chamber 47, and the outlets of the circulating buffer chambers are connected with the hot air generating chamber 35 through a circulating air pipe 43. The waste heat recycling device can effectively recycle waste heat, reduce energy consumption of the power heating device, lighten the load of the heat source fan and reduce the pressure fluctuation of the drying channel.

The input port and the output port of the drying passage are provided with an input isolation buffer 33a and an output isolation buffer 33b, respectively. The input isolation buffer area and the output isolation buffer area are respectively provided with a rectangular frame type annular grid buffer isolation device. The annular grid buffer isolation device comprises a plurality of rectangular annular plates 33 connected with the inner side walls of surrounding plates around the corresponding buffer isolation area at intervals, and a plurality of open rectangular frame type annular chambers formed by the separation of the rectangular annular plates, wherein the annular chambers can form accordion type wind blocking isolation belts when air flows so as to prevent mutual convection of a drying channel and external wind.

The opposite two sides of the upper part of the drying channel are respectively provided with an open air equalizing chamber 47 which corresponds oppositely, the open air equalizing chamber is composed of upper coamings 48 at the two ends of the drying channel, corresponding parts 49 at the upper parts of the coamings, corresponding parts of a top plate 51, and air equalizing plates 34 which are respectively connected with the corresponding parts 49 at the upper parts of the lateral coamings 52 of the drying channel and the upper coamings 48 at the two ends, the open air equalizing chambers at the two sides are provided with a through type balance public air inlet 50, and the through type balance public air inlet is composed of an interval between the two air equalizing plates 34. The through-type balance common air inlet 50 simultaneously forms a chain belt type workpiece conveying and avoiding space. The whole air drying environment in the drying channel can be obviously improved, air drying is uniform, and the drying effect is improved. In this case, the conveying device is integrally disposed in the drying tunnel, and the connection between the conveying device including the chain belt type workpiece and the workpiece can be similar to the existing similar devices. Not shown in the figures. The open air-equalizing chambers or the air-equalizing plates are arranged symmetrically. To help balance the drying air uniformity of the drying channel.

The power heating device arranged outside the corresponding side of the drying channel comprises a hot air generating chamber 35 with an air supply port 38 connected with an air distribution chamber 39, a heat source fan 37 and an industrial heater 36 which are respectively connected with the two opposite ends of the hot air generating chamber. Industrial heaters are related heaters of the prior art.

The multifunctional dynamic isolation type secondary distribution air drying device is arranged between the two opposite ends of the drying channel and the corresponding buffer isolation area, and comprises a rectangular frame type dynamic screen isolation type directional air distribution chamber 42 and two secondary air pumping fans 41 arranged at the outer side close to the end part of a top plate 51 of the drying channel, wherein an air inlet 41a and an air outlet 41b of each secondary air pumping fan are connected to an upper opening type air equalization chamber 47 and the frame type dynamic screen isolation type directional air distribution chamber 42 of the drying channel respectively, and the two frame type dynamic screen isolation type directional air distribution chambers at the two opposite ends of the drying channel are provided with annular frame type directional air drying nozzles 42a which are inclined and correspond to each other in the central direction.

Through the multifunctional dynamic isolated secondary distribution air drying device, on one hand, drying air gathered by the open air equalizing chamber and diffused from bottom to top can be pumped into the isolated directional air distribution chamber of the frame-shaped dynamic screen, and then the frame-shaped directional air drying nozzles are obliquely and oppositely distributed and diffused from the periphery of the two opposite ends of the drying channel to the center, so that disturbance type balanced air distribution drying workpieces are carried out on the drying channel. On the other hand, the annular frame type directional air drying nozzle can implement dynamic screen type heat insulation isolation on the input and output ports of the drying channel, and can effectively avoid the internal and external convection of the two ports of the drying channel to cause larger heat energy waste and loss.

Temperature detecting devices are respectively arranged in the drying channel and the circulating buffer chamber 40. The temperature sensing devices may be field indicating and displayed in the control room in connection with the respective system controller.

The top plate of the drying channel is provided with an external automatic or manual control valve. When the air temperature at the top of the drying tunnel is too low or according to the process requirements, a certain amount of external exhaust gas can be discharged through it. The circulation buffer chamber is provided with a manual or automatic control valve to control the circulation amount according to the temperature of the circulating gas or the like. The automatic control structure can be similar to the structure of the existing control mode.

In another embodiment of the drying room, the directional air drying nozzles are door frame-shaped directional air drying nozzles. As shown in fig. 14, the middle of the top plate or top wall of the drying channel, including the frame-shaped dynamic screen isolated directional air distribution chamber 42 and the rectangular frame-type annular grid buffer isolation device of the buffer isolation region, is provided with a workpiece conveying guide open notch 10, and the workpiece conveying device is arranged above the outside of the top plate of the drying channel, so that the connecting body of the workpiece conveying device such as a chain belt is hung with the workpiece in the drying channel through the workpiece conveying guide open notch. The air distribution mesh plate is composed of a plurality of mesh plates which are arranged at intervals along the length direction of the drying channel. The rest of the structure and the corresponding operation of this example can be similar to the above-mentioned embodiment.

In another embodiment of the system, the cleaning device, the spray booth and the drying room can be respectively set to be independent of the independent conveying device. The rest of the structure and the corresponding operation of this example can be similar to the above-described embodiment.

Claims

1. The utility model provides a wall outer decorative board shaping after-treatment system, includes the stoving passageway, corresponding air-dry system, air-dry system includes power heating device, set up in the air distribution chamber of stoving passageway bottom, being connected with power heating device, the roof of air distribution chamber comprises the bottom plate of stoving passageway, and the bottom plate of stoving passageway is equipped with air distribution mesh board, characterized by power heating device includes that its air feed mouth connects in the hot-blast room that takes place of air distribution chamber, air-dry system includes return air circulation system, return air circulation system is including setting up in a plurality of circulation surge chambers at stoving passageway top, circulation surge chamber entry linkage in stoving passageway upper portion, the export of circulation surge chamber through corresponding circulation tuber pipe with hot-blast room is connected.