CN208591997U - A kind of powder coating powder room and Powder Coating System - Google Patents

A kind of powder coating powder room and Powder Coating System Download PDF

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Publication number
CN208591997U
CN208591997U CN201820643360.7U CN201820643360U CN208591997U CN 208591997 U CN208591997 U CN 208591997U CN 201820643360 U CN201820643360 U CN 201820643360U CN 208591997 U CN208591997 U CN 208591997U
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China
Prior art keywords
powder
room
coating
workpiece
roller
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CN201820643360.7U
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任晖
黄正强
胡尧
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Dongguan Disa Machinery & Electronic Co Ltd
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Dongguan Disa Machinery & Electronic Co Ltd
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Abstract

The utility model provides a kind of powder coating powder room and Powder Coating System, the powder room includes: that the powder coating powder room includes powder house-owner body and flat rollers conveyer, the powder house-owner body includes: main frame, the side plate and top cover that can completely or partially dismantle, spraying equipment is installed, the spraying equipment includes reciprocator and the static powder gun that is mounted in the reciprocator at the top of the main frame;The flat rollers conveyer is mounted below the reciprocator and passes through the powder house-owner body, for horizontal feed plate to be sprayed, the frame bottom of the flat rollers conveyer has pulley and sliding rail be engaged with the pulley, that Xiang Suoshu powder room body side stretches out, the length of the main frame of the powder house-owner body are longer than the length of the bracket of the flat rollers conveyer.

Description

A kind of powder coating powder room and Powder Coating System
Technical field
The utility model relates to workpiece surface processing technique more particularly to a kind of powder coating powder rooms and powder coating system System.
Background technique
Currently, significant component of wood furniture is using paint coating process, but with the continuous increasing of environmental protection pressure Add, furniture manufacturer has received very big limitation to the use of paint, because can be to human health containing harmful substance in paint There are harm, and according to the requirement in Chinese Ministry of Environmental Protection's in October, 2017, the total usage amount of paint of all furniture producers is needed to the year two thousand twenty bottom Reduce the 60% of entire furniture spray painting amount.
In recent years, with the raising of people's health consciousness, have to the volatile matter of lacquer furniture in use higher Cognition, it is appreciated that long-term organic matter volatilization will cause many chronic diseases to lacquer furniture in use, especially right Children's health has a significant impact, therefore demand of the furniture user to environment-friendly type, non-volatile paint replacement product is more and more stronger It is strong.
In recent years, using powder coating (dust) technique wood furniture it is more and more popular with consumers and concern. Powder coating process does not use any solvent, and non-volatility organic matter i.e. other noxious gas emissions do not pollute the environment, because of it Environmental protection characteristic in production and use process is the one of good solution and furniture powder coating that replacement furniture paints Big advantage.
Currently, wood furniture dusts relatively more in foreign applications, but popularity rate is also relatively low at home.Existing market Wood furniture spraying line all using suspension conveying by the way of, as shown in Figure 1, i.e. furniture plate surface chain hang by way of Carry out coating and solidification.This mode of traditional wood furniture spraying line suspension conveying is to imitate the side of general metal plate member Formula, but because furniture board is that good conductor of electricity, brought problem be not main to concentrate are as follows: (1) powder problem on than more prominent yet. To guarantee the face Furniture panel B hole few as far as possible, the form for being all made of single-point metal lift hook is hung, and can bring Railway Project in this way: A), excellent because being grounded at metal lift hook, understand preferentially upper powder, causes metal hanger and powder in plate face close positions bad.B), for For entire plate face, position is contacted for suspension hook and workpiece, is that entire plate face is grounded nearest place, the powder in this place can be with Centered on suspension hook point, a heronsbill shape is formed, causes plate face bad.C), for northern area, because of winter air humidity Low, plate face moisture content is low, and plate face conduction is bad, causes the not upper powder of workpiece, and northern area probably has the time or so half a year not every year It can production.(2) problem of solidification: traditional hanging form plate face single-point or two point hanging after, because of workpiece moulding problem, focus point with hang Hook in a line, does not there is the situation of skew after causing plate face to hang, and workpiece has swing situation during transportation.To avoid Skew, Moving Workpieces caused by swing cause to damage to the infra-red radiation fluorescent tube of consolidation zone, and general infrared lamp and workpiece are hung Hook reserves certain safe swinging distance.This distance will cause two problems: a) too far then because being difficult to transfer at random in production Solidification is incomplete.B) excessively close then powder was easy solidification, and plate face forms risk that is bad, and having tubes breaks down.
Problem above causes various limitations that wood furniture workpiece dusts, and production qualification rate is very low, this is to cause mesh Up till now wood furniture dusted the main reason for cannot being widely popularized.
Utility model content
In consideration of it, the utility model embodiment provides a kind of powder coating powder room and Powder Coating System, to eliminate Or improve one or more defects existing in the prior art.
The technical solution of the utility model is as follows:
A kind of powder coating powder room, the powder room include:
The powder coating powder room includes powder house-owner body and flat rollers conveyer, the powder house-owner body include: main frame, The side plate and top cover that can completely or partially dismantle, the main frame top are equipped with spraying equipment, and the spraying equipment includes past It answers a pager's call structure and the static powder gun that is mounted in the reciprocator;
The flat rollers conveyer is mounted below the reciprocator and passes through the powder house-owner body, for horizontal defeated Send workpiece to be sprayed, the frame bottom of the flat rollers conveyer there is pulley and be engaged with the pulley, Xiang Suoshu The sliding rail that powder room body side stretches out, the length of the main frame of the powder house-owner body are longer than the bracket of the flat rollers conveyer Length.
Preferably, powder coating powder room further include: multiple grounding electrodes, multiple grounding electrode cloth at intervals It is placed between the roller of the flat rollers conveyer.
Preferably, center conveyor line symmetry arrangement of the multiple grounding electrode relative to flat rollers conveyer.
Preferably, powder coating powder room further include: controller controls ground connection and the institute of the grounding electrode State the spraying operation of spraying equipment.
Preferably, the flat rollers conveyer includes: the bracket, the roller disposed in parallel on bracket and rolling Cylinder driving mechanism, is equipped with washer on the roller at intervals.
Preferably, the roller of the flat rollers conveyer includes the metal roller being cooperatively arranged and nonmetallic rolling Cylinder.
Preferably, powder coating powder room further include: powder automatic cleaning apparatus and powder recovering device;Wherein, The powder automatic cleaning apparatus includes: high pressure gas generation device, is used to generate high pressure gas;And blower, position Position between the lower part and roller of the transporting flat of the flat rollers conveyer, and the upper tube wall of blower has One or more apertures, high pressure gas for being generated using the high pressure gas generation device to be sprayed-on the back side of workpiece into Row is blown, to clear up the workpiece reverse side being sprayed-on;The powder recovering device includes: powder collecting board, is located at the blowing Below pipe, the powder blown off for receiving the blower, the powder collecting board middle part has exhausting groove;Air extractor, With negative pressure generating device and recycling powder containing part, the exhausting groove is connected by exhaust tube, by the powder on powder collecting board End sucks exhaust tube through exhausting groove, and the powder on powder collecting board is evacuated to recycling powder containing part.
Preferably, powder coating powder room further include: it is placed in the photodetector unit of the spraying chamber inlet, The photodetector unit is for detecting workpiece to be sprayed;Wherein, the controller connects the photodetector unit, to be based on The testing result of the photodetector unit controls the ground connection of the grounding electrode and the spraying operation of the spraying equipment.
Preferably, described device further include: powder coating powder room further include:
Visual scanning device is mounted on powder room inlet and connects controller, for shooting workpiece to be sprayed Image, and send the image of shooting to controller.
A kind of Powder Coating System, the system include: powder coating powder as described above room;And powder curing dress Set, which is located at the output end in powder coating powder room comprising powder curing furnace and pass through the powder The flat rollers conveyer of last curing oven is equipped with heat-resisting heat-insulating washer on the roller of the flat rollers conveyer at intervals.
The utility model embodiment utilizes transversely movable conveyer, can be improved the convenience of powder room cleaning.
The utility model embodiment can overcome the problems, such as the upper powder such as the upper powder of traditional spraying line is uneven, upper powder is bad, energy It is enough to obtain upper powder effect well, workpiece's qualification rate is improved, and reduce the limitation to coating season.Additionally it is possible to gram Take problem of solidification caused by the dusting of traditional hanging form.
Further, the utility model embodiment can be improved solidification effect, improve product quality.
The attendant advantages, purpose and feature of the utility model will will be partly illustrated in the following description, and Those of ordinary skill in the art partly will be become with obvious after research hereafter, or can be with reality according to the present utility model It tramples and knows.The purpose of this utility model and further advantage can be by written explanations and its claims and attached drawing The structure specifically noted is realized and is obtained.
It will be appreciated by those skilled in the art that can be not limited to objects and advantages of the utility model above It is specific described, and the above and other mesh that the utility model can be realized will be more clearly understood according to following detailed description 's.
Detailed description of the invention
Attached drawing described herein is used to provide a further understanding of the present invention, and is constituted part of this application, The restriction to the utility model is not constituted.Referring to the following drawings, it is better understood with many aspects of the utility model.Attached drawing In component part be not necessarily to scale, it is preferred that emphasis is clearly exemplify the principles of the present invention.In the accompanying drawings:
Fig. 1 is the suspension mode of movement schematic diagram of existing wood furniture spraying line.
Fig. 2 is the overall structure diagram of wooden workpiece finishing system (spraying line) in an embodiment of the present invention.
Fig. 3 is plane conveying cylinder line schematic diagram in an embodiment of the present invention.
Fig. 4 is powder room part side plate to be omitted and the powder coating device part of top cover shows in an embodiment of the present invention It is intended to.
Fig. 5 is the schematic diagram of the arrangement of grounding electrode in an embodiment of the present invention.
Fig. 6 is to show robot in an embodiment of the present invention to fill spray the powder coating schematic device of system.
Fig. 7 is the reception schematic diagram of workpiece reverse side powder automatic cleaning apparatus in an embodiment of the present invention.
Fig. 8 shows the schematic diagram of the powder collecting board of powder recovering device in an embodiment of the present invention.
Fig. 9 is powder room and transversely movable roller conveyor schematic diagram in an embodiment of the present invention.
Figure 10 is the schematic block diagram of finishing system in an embodiment of the present invention.
Drawing reference numeral:
10: powder coating device 20: powder curing device 100: controller
110 powder rooms 111: powder house-owner frame 112: reciprocator
113: podwer gun 114: grating 1141: upper grating
1142: lower grating 115: visual scanning system 116: robot
117: robot base 118: electronic box 120: flat rollers conveyer
121: roller 122: washer 123: sliding rail
124: grounding electrode 125: wooden workpiece 128: pulley
132: powder reception funnel 133: exhaust tube 134: powder box
135: powder collecting board 136: exhausting groove 201: man-machine interaction unit
130: powder recovering device 140: spraying equipment 150: powder automatic cleaning apparatus
160: curing oven heating unit 170: curing oven temperature measuring unit 200: long-range industrial personal computer
Specific embodiment
For the purpose of this utility model, technical solution and advantage is more clearly understood, below with reference to embodiment and attached Figure, is described in further details the utility model.Here, the exemplary embodiment and its explanation of the utility model are for solving The utility model is released, but is not intended to limit the scope of the present invention.
Here, it should also be noted that, in order to avoid having obscured the utility model because of unnecessary details, in the accompanying drawings It illustrate only the structure and/or processing step closely related with scheme according to the present utility model, and be omitted practical with this The little other details of new relationship.
In addition it is also necessary to illustrate, in the utility model embodiment, unless otherwise specified, term is " even Connect " can be and be directly connected to, be also possible to it is intermediate have being indirectly connected with for additional tie members, and can be wired or wireless company It connects.
Hereinafter, the embodiments of the present invention will be described with reference to the drawings.In the accompanying drawings, identical appended drawing reference represents Same or similar component or same or like step.
In the utility model embodiment, it is defeated that the traditional workpiece of spraying line (such as plate) hanging conveying is changed to workpiece planarization It send, and is controllably designed in conjunction with multi-electrode, to solve the problems, such as upper powder in the prior art, in addition it is also possible to solve traditional workpiece Hanging conveys brought problem of solidification.
Fig. 2 show the overall structure signal of wooden workpiece finishing system (spraying line) in an embodiment of the present invention Figure.As shown in Fig. 2, the wooden workpiece finishing system in the utility model embodiment includes powder coating device 10 and powder curing Device 20.Powder coating device 20 includes powder room 110 and the robot that fills spray, and powder room 110 is including powder house-owner body and passes through powder The roller conveyor (flat rollers conveyer) 120 of house-owner's body, wherein roller conveyor is also referred to as Roller conveyor, for horizontal defeated Wooden workpiece is sent, may include carriage (or bracket), the roller disposed in parallel on carriage and driving roller Drum drive.Fig. 3 show the schematic diagram of flat rollers conveyer in an embodiment of the present invention, as shown in figure 3, often Compartment of terrain is equipped with multiple washers 122 on root roller 121.The washer is flexible gaskets (such as silicone gasket, but it is not limited to this), rolling The purpose of cushioning circle is the contact surface in order to reduce workpiece and roller on cylinder, prevents workpiece from scratching, and contact surface is easy hiding powder, It is easy to cause product bad, cushioning circle can overcome this problem on roller.
Powder house-owner body 110 includes main frame, partly or entirely dismountable side plate, top cover and bottom plate, they are combined one It rises and forms spraying chamber.Spraying chamber, which is located above roller conveyor 120 and is equipped with spraying above spraying chamber interior, to be set It is standby.Specifically, spraying equipment is mountable on the main frame above spraying chamber.As an example, spraying equipment may include reciprocal Mechanism 112 and the static powder gun 113 to be moved back and forth by reciprocator's drive, podwer gun are set via for tube cell connection powder supply Standby (powder supply case, be not shown) enables the coating powder in powder supply case to reach podwer gun via for tube cell.For reciprocating engine Structure, can be there are many way of realization, and since it belongs to existing structure design, the utility model is no longer described in detail.Shown in Fig. 4 It is the powder coating device partial schematic diagram that powder room part side plate and top cover is omitted, in order to preferably show inside powder room. In powder room other than with spraying equipment and conveyer, multiple grounding electrodes 124 are additionally provided with, multiple grounding electrodes are dispersible Ground is arranged between roller.This multiple electrodes can have flexible arrangement mode between the rollers, and be not limited to certain fixation Arrangement mode.In one embodiment, multiple grounding electrodes can be relative to the center conveyor line symmetry arrangement of roller conveyor, such as Shown in Fig. 5, for example, multiple grounding electrodes 124 are arranged by regular array mode between the rollers, but the utility model is not limited to This.In this way, same plate face can accomplish that multipoint electrode connects when wood-based planet workpiece is delivered in powder room through roller conveyor, Substantially improve and solve the plate face overdrying of workpiece and caused by upper powder hardly possible situation.Also, it is moved up in workpiece in roller conveyor When dynamic, electrode and workpiece plate face form relative motion, i.e. electrode and the relative position of workpiece plate face is not fixed, can solve well Certainly the situation of heronsbill is caused in the fixed position of unitary electrode in plate face.In addition, in the utility model, because podwer gun is arranged in work The powder on part top, sprinkling is drifted downwards by gravity, is trickled down naturally in workpiece surface, therefore defeated compared to traditional hanging The coating mode of workpiece is sent, upper powder can be assisted by gravity, further improves powder problem.
The roller of roller conveyor can be non-metal roller in the utility model embodiment.In order to further assist Powder, in the preferred embodiment in the utility model, what the roller of roller conveyor was matched using metal roller and non-metal roller Mode is arranged, i.e. the roller of roller conveyor includes the metal roller and non-metal roller being cooperatively arranged.Herein, " matching " includes that metal roller and non-metal roller are alternately arranged according to certain rule intersection, for example, can be in every 2 gold Belong to and arrange 1 or several non-metal rollers between roller, or arranges 1 or several metals between every 2 non-metal rollers Roller.Because workpiece is non-conductor, powder utilization is can be improved in the arrangement mode that metal roller and non-metal roller match.
In addition, the earthed circuit of these grounding electrodes is controlled by controller, simultaneously in the utility model embodiment Controller is also connected with spraying equipment, to control the spraying operation of spraying equipment.
Further, in an embodiment of the utility model, powder room inlet (or being spraying chamber inlet) It is additionally provided with photodetector unit, which for example can be echelette, and but it is not limited to this, such as can be with It is multiple groups electric eye etc..Photodetector unit can be set in plane conveyor both sides, powder room entrance two sides or powder room entrance The upper and lower part position (but it is not limited to this) at place, photodetector unit are used to detect the arrival of plate to be sprayed, Fig. 4 In the transmitting terminal of echelette is shown and receiving end can be located separately upper and lower part (upper 1141 He of grating of powder room inlet Lower grating 1142).Controller connects photodetector unit, the workpiece arrival time detected according to photodetector unit and workpiece Transmission speed can determine that workpiece enters powder room and needs to start the position of the time and workpiece to dust, and accordingly control ground connection The connection of electrode and the dusting operation of static powder gun.By controlling each grounding electrode automatic earthing, covered in no workpiece When covering electrode position, the controllable ground connection terminal of controller, which automatically controls, disconnects ground connection.In one embodiment, controller can connect Drum drive can control the workpiece conveying speed of roller conveyor.In the utility model embodiment, examined by means of photoelectricity Survey unit detection workpiece arrival, controller can more accurately control the ground connection of grounding electrode, podwer gun dust the time with And position of dusting.Powder coating device also has electronic box 118, for powering for each electric component.
Further, powder is insufficient on the side position of sheet material workpiece or groove in order to prevent, in the preferred embodiment in the utility model In, also filled spray using the robot system of filling spray.It fills spray the powder coating device of system as Fig. 6 is shown with robot Schematic diagram.As shown in fig. 6, the robot system of filling spray includes: visual scanning device, spray robot and connection visual scanning dress Set the controller with spray robot.Visual scanning device can for example be located at powder room inlet, can be to be painted for shooting The image workpiece scan camera shooting head of the workpiece of painting;Controller is known image captured by camera based on position identification technology Not, it identifies the location of workpiece, generates workpiece position signal, and be sent to spray robot.Due to carrying out position knowledge based on image Other technology is existing achievable technology, and this will not be repeated here.Spray robot can be located at the two sides in powder room, be based on workpiece position Confidence number tracks plate, and sprays to the specific position of plate (such as side position or groove).Spray robot is installed on machine Powder room is protruded into the aperture on removable side panel that the podwer gun of tool arm passes through powder room.The big face of workpiece is carried automatically using reciprocating engine What podwer gun was sprayed, side position or groove etc. are not easy the ground sprayed to the system realization that can fill spray by robot and fill spray, from And it can realize unattended full-automatic.
In existing furniture board during production, it is save the cost, often there is a kind of situation, i.e. 5 face coatings, the Six faces (reverse side) not coating powder but using patch triamine plate or ultraviolet (UV) coating by the way of.But because powder spray is quiet Electro-cladding spraying, when using traditional hanging form coating, the 6th face can not accomplish powder, and existing recovery system does not have There is reverse side automatic flushing device.Because the utility model uses plane spraying process, workpiece height position is extremely accurate, therefore at this In utility model embodiment, after sheet material workpiece is sprayed-on, before solidification, proposes to set air blowing by pressure-air positioning, clear up The powder of reverse side attachment, is then evacuated to recovery system for the powder cleaned up by strong-force exhaust again, with recycling.Fig. 7 institute It is shown as the reception schematic diagram of workpiece reverse side powder automatic cleaning apparatus in the utility model embodiment, which clears up automatically Device includes the blower of high pressure gas generation device (not shown) and connection high pressure gas generating device.As shown in fig. 7, connecing Position between the downstream of ground electrode, the lower part and roller of the transporting flat of roller conveyor is provided with more of tube wall belt hole Blower 126,126 one end of blower connect high pressure gas generation device (such as air compressor machine, high pressure for generating high pressure gas Blower etc.), other end closing.Herein, so-called " high pressure " refers to the positive pressure higher than atmospheric pressure, for example, 2~5 atmospheric pressure, But the utility model is not limited to this.Specifically, there are one or more 127 (such as indulging along pipe of aperture on blower upper tube wall To multiple apertures of arrangement), due to 127 opening upwards of aperture (i.e. towards workpiece), generated using high pressure gas generation device High pressure gas can blow to the back side for being sprayed-on plate, to clear up the plate reverse side being sprayed-on.Preferably, in each blowing The solenoid valve that is controlled by controller can be equipped on the pipeline of pipe, controller can grating based on powder room inlet or camera control The electromagnetic valve switch of each blower is made, to control blow-out position by grating or camera, realizes that fixed point is blown, to avoid shadow It rings to the position for not needing cleaning.Workpiece reverse side powder automatic cleaning apparatus as shown in Figure 7 is due to can effectively clear up plate The powder of reverse side is simultaneously recycled, and the recycling of powder is also substantially increased.
In an embodiment of the utility model, in the lower section of blower, also there is powder collecting board (powder room bottom plate) 135, Its a part as powder recovering device, for receiving the powder to leak down in the powder and spraying process that blower is blown off, There is exhausting groove 136 in the middle part of powder collecting board.In the utility model embodiment, powder recovering device further include: bleed motor (not shown) and recycling powder containing part, bleed motor connect exhausting groove by exhaust tube, and the powder on powder collecting board is passed through Exhausting groove sucks exhaust tube, then is extracted into recycling powder containing part through exhaust tube and filter house.In an embodiment of the utility model, Recycling powder containing part includes the rectangular powder box 134 of funnel-form receiving unit 132 and receiving powder, as shown in Figure 8.In Fig. 8, it is The part-structure of display powder recovering device and concealed segment cylinder.The utility model embodiment will be cleared up by strong-force exhaust Powder out is evacuated to recovery system, improves recovering effect.
After completing spraying operation in powder room, in clear powder colour changing, need to clean out inside powder room.But work as roller When conveyer is applied in powder room, since roller conveyor has blocking to powder room bottom plate, it is unfavorable for quick clear powder, therefore, at this In utility model preferred embodiment, it is designed to laterally move relative to powder room across the roller conveyor of powder house-owner's body It is dynamic.As shown in figure 9, can transverse shifting roller conveyor carriage bottom have pulley 128 and be engaged with pulley, to The sliding rail 123 that powder room (spraying chamber) side is stretched out, wherein as shown in fig. 6, the length of the main frame 111 in powder room is longer than plane The length of the carriage of roller conveyor, so that in clear powder colour changing, after powder room lower part side plate is removed, flat rollers conveying Machine by the conveniently moving of pulley on the slide rail can be removed from the side in powder room, and fast and easy is cleared up inside powder room.At this In embodiment, since the length of the carriage of flat rollers conveyer is shorter, it is preferable that flat rollers conveyer front end also It is equipped with the piece uploading section Roller conveyor being mutually connected with the roller conveyor, to extend workpiece delivered length, the conveying of more convenient workpiece. It is also all cased with flexible gaskets (such as silicone gasket) on piece uploading section every roller of Roller conveyor, to reduce the contact surface of roller and workpiece Product prevents from scratching workpiece.
Powder curing device is located at roller conveyor rear portion, and the workpiece being sprayed-on exported from powder room is passed through across curing oven Roller conveyor (second tin roller conveyer), which is transported in curing oven, to be solidified.Referring to the utility model shown in Figure 2 The external structure of powder curing device in embodiment.The powder curing system includes that second tin roller conveyer and the receiving workpiece are flat The powder curing furnace of face conveyer is equipped with heating unit (such as radiation heating tube) in the powder curing furnace.In the present embodiment, the It is evenly spaced apart to be equipped with multiple washers on the roller of two conveyers, it is to completely cut off work which, which is high temperature resistant heat-insulating washer, Part and roller, because roller toasts in furnace for a long time, temperature is higher, will cause workpiece surface damage after direct contact workpiece, uses For the non-metallic gasket of the non-conductor of heat, this problem is avoided.
In traditional curing oven wire body, be dust plank and powder are carried out using quick-setting mode it is quickly solid Change, general 3-5 minutes need to be warming up to 150 degree or so.I.e. after workpiece is rapidly heated, ground, that is, plank can also heat up, and work as plank When interior moisture evaporation, plank edge crack is caused naturally, and powdery paints is rapidly heated reaction, without sufficiently effective stream It is flat, cracking part cannot be given and make up, cause fraction defective high, this problem cannot solve always.And in the utility model The curing oven of design given powder in hinge and reacted the phase with enough flow times using multi-temperature zone form, using powder from Levelability fills up the corner of cracking, improves workpiece's qualification rate.Powder curing furnace in the utility model embodiment includes multiple sections Section, more than one segment form a solidification temperature section, and the number of stages in different solidification temperature sections can be identical or not Together, heating unit is all had in each solidification temperature section, different solidification temperature sections correspond to different solidification temperature sections.Example Such as, as shown in Fig. 2, powder curing furnace includes 9 segments, preceding 8 segments can form three solidification temperature sections, three corresponding Temperature range, naturally it is also possible to be designed as more solidification temperature sections.As an example, preceding 2 segment shapes in preceding 8 segments At first solidification temperature section can be pre-heat section, the temperature in this section curing oven for example can be controlled in 90-100 DEG C; Second solidification temperature section that intermediate 2 segments are formed in preceding 8 segments can be buffer field, the temperature in this section curing oven Degree for example can be controlled in 60-70 DEG C;The third solidification temperature section that last 3 segments in preceding 8 segments are formed can be strong Solidify section, the temperature in this section curing oven for example can be controlled in 140-150 DEG C, and the temperature range in this example is only to lift Example, the utility model are not limited to this.The utility model uses the form of multi-temperature zone, gives powder in the hinge reaction phase with enough Flow time fill up the corner of cracking using the self-leveling of powder, greatly improve the qualification rate of workpiece.
In one preferred embodiment of the utility model, also the thermal insulation material of insulating layer is improved, using new material Insulating layer replaces traditional insulating layer (such as rock wool or aluminium silicate wool).Traditional rock wool heat-preservation effect is poor, production and use process In have problem of environmental pollution.Insulating layer is transformed in the utility model, and curing oven insulating layer is carried out using aerogel Heat preservation, furnace plate can accomplish thinner than traditional furnace plate by 80%, and heat insulation effect is good, and environmental protection, furnace plate are light, are easy to move cleaning.
Further, in order to overcome workpiece punching shear caused by workpiece plate face long-term overheat in conventional curing process, this Utility model also sets up in the output end (such as in the last one segment of curing oven) of powder curing furnace and forces cooling zone, i.e., in powder Refrigeration equipment is arranged in the output end of last curing oven, for carrying out pressure cooling to the workpiece after solidification after the completion of workpiece solidification, To be quickly cooled down workpiece plate face, punching shear is caused to prevent plate face long-term overheat.
Further, the utility model also proposed a kind of closed-loop control system of solidification temperature.It is in existing solidification It is that environment temperature is detected using environment temperature meter, the environment temperature that will test is joined as the solidification temperature in curing oven in system Number, a defect of this temperature detection method is the temperature of environment temperature and workpiece itself or has difference, only detects environment Temperature can not accurately reflect the temperature of various workpiece itself, this affects the accurate control to solidification process, thus can shadow Ring solidification result.In the closed-loop control system of the utility model, because plane dust the location of workpiece stablize, using solidification heater The mode of temperature output closed-loop control measures workpiece temperature under current state that is, at any time by temperature-detecting device, based on measuring Current state under the temperature of workpiece be finally directed to by parameter setting auto-control heater power output ratio with reaching The most excellent and stable power output of every kind of different workpieces.In the utility model embodiment, temperature-detecting device can be with right and wrong Contact infrared measurement of temperature unit, the temperature of workpiece directly in measurement curing oven.Other than Non-contact Infrared Temperature Measurement unit, Environment temperature meter is also provided in curing oven, to provide auxiliary reference.Infrared measurement of temperature unit can or nothing wired with controller Line connects, and the heating unit in curing oven also connects controller, and infrared measurement of temperature unit sends the workpiece temperature measured to control Device, controller control the heating operation of corresponding heating unit, including increase, maintenance or reduction heating power based on the temperature Deng.In addition, hygrometer is also provided in curing oven, for providing humidity parameter and being transferred to controller.In curing oven Tail portion, is additionally provided with control device connected to the controller (such as man-machine interaction unit 201), which may include Key and/or touch screen etc., for showing measurement parameter information and manipulation information in curing oven, to be passed through by operator The controller of man-machine interaction unit and curing system interacts, to realize the control to powder curing process.It is man-machine in Fig. 2 The position of interaction interactive unit is merely illustrative, other positions for being suitable for observing and operating can also be arranged in.
Because of the product diversity having furniture made to order, client is frequently necessary to adjusting parameter in mixture manufacturing, such as according to room temperature, room Interior air humidity, adjustment solidification output power, the diversity of this parameter cause the frequent maloperation of client, cause product bad.It is right This, the utility model by using industrial personal computer adds the form of remote operator interface to complete the purpose of remote assistance client production, Remotely client can assisted to adjust parameters at any time.At this point, Ethernet can be passed through between long-range industrial personal computer and local controller Interface connection.At this point, controller receives the part temperature data of infrared measurement of temperature unit detection, and (such as by telecommunication unit Ethernet interface) it is sent to long-range industrial personal computer, and adding based on the indication signal control radiant heating unit from industrial personal computer The parameters such as thermal power.
If Figure 10 is the entire coating in an embodiment of the present invention including powder coating device and solidification equipment The block diagram of system is illustrated.As shown in Figure 10, in the system, controller 100 connects and controls grounding electrode 124, the inspection of workpiece photoelectricity Survey unit (such as grating 114), spraying equipment (such as reciprocator and podwer gun) 140, visual scanning system 115, dust robot 116, the infrared measurement of temperature of powder automatic cleaning apparatus 150, powder recovering device 130, the heating unit 160 of curing oven, curing oven Unit 170 and communication unit 180 and man-machine interaction unit 201, and communicated with long-range industrial personal computer 200, Xiang Yuancheng industry control Machine sends parameters of technique process and receives the instruction of long-range industrial personal computer, and the control instruction based on long-range industrial personal computer is operated.Figure Communication unit 180 in 10 may include telecommunication unit and short-range communication unit, telecommunication unit may be implemented with far The communication of journey industrial personal computer, short-range communication unit for example can be the short-haul connections of the realizations such as Wi-fi, bluetooth and robot etc..This In utility model embodiment, controller can be realized by PLC (programmable logic controller (PLC)), single-chip microcontroller or industrial personal computer etc., but simultaneously It is without being limited thereto.The controller of the controller and control cured portion that control coating part can be the same controller, can also be with It is individual, different controllers.For different controllers, controller and the control of coating part of devices are controlled The controller of the component of cured portion can be connect with long-range industrial personal computer, remotely be controlled by industrial personal computer.
The utility model embodiment utilizes transversely movable conveyer, can be improved the convenience of powder room cleaning.
The utility model is based on powder coating as described above powder room and Powder Coating System, is not only adapted to spray wooden Workpiece is equally applicable for spraying other non-wooden workpieces.
In addition, the utility model embodiment can overcome the upper powder such as the upper powder of traditional spraying line is uneven, upper powder is bad to ask Topic can obtain upper powder effect well, improve workpiece's qualification rate, and reduce the limitation to coating season.Moreover it is possible to Enough overcome problem of solidification caused by the dusting of traditional hanging form.
Further, the utility model embodiment can be improved solidification effect, improve product quality.
In the utility model, for feature embodiment description and/or illustrated, can it is one or more its It is used in the same manner or in a similar manner in its embodiment, and/or combines or replace with the feature of other embodiments The feature of other embodiments.
The above descriptions are merely preferred embodiments of the present invention, is not intended to limit the utility model, for this For the technical staff in field, the utility model embodiment can have various modifications and variations.All spirit in the utility model Within principle, any modification, equivalent replacement, improvement and so on be should be included within the scope of protection of this utility model.

Claims (10)

1. a kind of powder coating powder room, which is characterized in that the powder coating powder room includes that powder house-owner body and flat rollers are defeated Machine is sent, the powder house-owner body includes: main frame, the side plate and top cover that can completely or partially dismantle, installation at the top of the main frame There is a spraying equipment, the spraying equipment includes reciprocator and the static powder gun that is mounted in the reciprocator;
The flat rollers conveyer is mounted below the reciprocator and passes through the powder house-owner body, waits for for horizontal feed Spray workpiece, the frame bottom of the flat rollers conveyer there is pulley and be engaged with the pulley, Xiang Suoshu powder room The sliding rail that body side stretches out, the length of the main frame of the powder house-owner body are longer than the length of the bracket of the flat rollers conveyer Degree.
2. powder coating according to claim 1 powder room, which is characterized in that powder coating powder room further include:
Multiple grounding electrodes, multiple grounding electrode are arranged at intervals between the roller of the flat rollers conveyer.
3. powder coating according to claim 2 powder room, it is characterised in that:
Center conveyor line symmetry arrangement of the multiple grounding electrode relative to flat rollers conveyer.
4. powder coating according to claim 3 powder room, which is characterized in that powder coating powder room further include:
Controller controls the ground connection of the grounding electrode and the spraying operation of the spraying equipment.
5. powder coating according to claim 1 powder room, which is characterized in that the flat rollers conveyer includes:
The bracket, roller and drum drive disposed in parallel on bracket are equipped at intervals on the roller Flexible gaskets.
6. powder coating according to claim 1 powder room, it is characterised in that:
The roller of the flat rollers conveyer includes the metal roller and non-metal roller being cooperatively arranged.
7. powder coating according to claim 1 powder room, which is characterized in that powder coating powder room further include:
Powder automatic cleaning apparatus and powder recovering device;
Wherein, the powder automatic cleaning apparatus includes:
High pressure gas generation device is used to generate high pressure gas;And
Blower is located at the position between the lower part and roller of the transporting flat of the flat rollers conveyer, and blows The upper tube wall of air hose has one or more apertures, and the high pressure gas for being generated using the high pressure gas generation device is to quilt The back side of spraying workpiece is blown, to clear up the workpiece reverse side being sprayed-on;
The powder recovering device includes:
Powder collecting board is located at below the blower, the powder blown off for receiving the blower, and the powder is collected There is exhausting groove in the middle part of plate;
Air extractor connects the exhausting groove by exhaust tube, by powder with negative pressure generating device and recycling powder containing part Powder on last collecting board sucks exhaust tube through exhausting groove, and the powder on powder collecting board is evacuated to recycling powder containing part.
8. powder coating according to claim 4 powder room, which is characterized in that powder coating powder room further include:
It is placed in the photodetector unit of powder room inlet, the photodetector unit is for detecting workpiece to be sprayed;
Wherein, the controller connects the photodetector unit, to be controlled based on the testing result of the photodetector unit The spraying operation of the ground connection of the grounding electrode and the spraying equipment.
9. powder coating according to claim 1 powder room, which is characterized in that powder coating powder room further include:
Visual scanning device is mounted on powder room inlet and connects controller, for shooting the image of workpiece to be sprayed, And send the image of shooting to controller.
10. a kind of Powder Coating System, which is characterized in that the system includes:
Powder coating powder room as described in any one of claim 1-9;And
Powder curing device, the powder curing device are located at the output end in powder coating powder room comprising powder curing Furnace and flat rollers conveyer across the powder curing furnace are equipped on the roller of the flat rollers conveyer resistance at intervals Thermal insulation washer.
CN201820643360.7U 2018-05-02 2018-05-02 A kind of powder coating powder room and Powder Coating System Active CN208591997U (en)

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110508411A (en) * 2019-08-26 2019-11-29 广东创智智能装备有限公司 A kind of powder electrostatic coating equipment and its coating process
CN112058520A (en) * 2020-09-14 2020-12-11 明德新材料科技(浙江)股份有限公司 Full-automatic powder spraying device for water-soluble fluorocarbon transfer printing simulation metal material
CN112206954A (en) * 2020-09-29 2021-01-12 上海福阜机械科技有限公司 Electrostatic powder coating process

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110508411A (en) * 2019-08-26 2019-11-29 广东创智智能装备有限公司 A kind of powder electrostatic coating equipment and its coating process
CN112058520A (en) * 2020-09-14 2020-12-11 明德新材料科技(浙江)股份有限公司 Full-automatic powder spraying device for water-soluble fluorocarbon transfer printing simulation metal material
CN112206954A (en) * 2020-09-29 2021-01-12 上海福阜机械科技有限公司 Electrostatic powder coating process
CN112206954B (en) * 2020-09-29 2021-10-12 上海福阜机械科技有限公司 Electrostatic powder coating process

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