CN113560101A - Automatic surface spraying processing device of elastic rotating body - Google Patents
Automatic surface spraying processing device of elastic rotating body Download PDFInfo
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- CN113560101A CN113560101A CN202110772571.7A CN202110772571A CN113560101A CN 113560101 A CN113560101 A CN 113560101A CN 202110772571 A CN202110772571 A CN 202110772571A CN 113560101 A CN113560101 A CN 113560101A
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- rotating body
- elastic rotating
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- spraying
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
- B05B16/00—Spray booths
- B05B16/20—Arrangements for spraying in combination with other operations, e.g. drying; Arrangements enabling a combination of spraying operations
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
- B05B12/00—Arrangements for controlling delivery; Arrangements for controlling the spray area
- B05B12/08—Arrangements for controlling delivery; Arrangements for controlling the spray area responsive to condition of liquid or other fluent material to be discharged, of ambient medium or of target ; responsive to condition of spray devices or of supply means, e.g. pipes, pumps or their drive means
- B05B12/12—Arrangements for controlling delivery; Arrangements for controlling the spray area responsive to condition of liquid or other fluent material to be discharged, of ambient medium or of target ; responsive to condition of spray devices or of supply means, e.g. pipes, pumps or their drive means responsive to conditions of ambient medium or target, e.g. humidity, temperature position or movement of the target relative to the spray apparatus
- B05B12/122—Arrangements for controlling delivery; Arrangements for controlling the spray area responsive to condition of liquid or other fluent material to be discharged, of ambient medium or of target ; responsive to condition of spray devices or of supply means, e.g. pipes, pumps or their drive means responsive to conditions of ambient medium or target, e.g. humidity, temperature position or movement of the target relative to the spray apparatus responsive to presence or shape of target
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
- B05B13/00—Machines or plants for applying liquids or other fluent materials to surfaces of objects or other work by spraying, not covered by groups B05B1/00 - B05B11/00
- B05B13/02—Means for supporting work; Arrangement or mounting of spray heads; Adaptation or arrangement of means for feeding work
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
- B05B13/00—Machines or plants for applying liquids or other fluent materials to surfaces of objects or other work by spraying, not covered by groups B05B1/00 - B05B11/00
- B05B13/02—Means for supporting work; Arrangement or mounting of spray heads; Adaptation or arrangement of means for feeding work
- B05B13/0221—Means for supporting work; Arrangement or mounting of spray heads; Adaptation or arrangement of means for feeding work characterised by the means for moving or conveying the objects or other work, e.g. conveyor belts
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
- B05B15/00—Details of spraying plant or spraying apparatus not otherwise provided for; Accessories
- B05B15/20—Arrangements for agitating the material to be sprayed, e.g. for stirring, mixing or homogenising
- B05B15/25—Arrangements for agitating the material to be sprayed, e.g. for stirring, mixing or homogenising using moving elements, e.g. rotating blades
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
- B05B9/00—Spraying apparatus for discharge of liquids or other fluent material, without essentially mixing with gas or vapour
- B05B9/002—Spraying apparatus for discharge of liquids or other fluent material, without essentially mixing with gas or vapour incorporating means for heating or cooling, e.g. the material to be sprayed
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
- B05B9/00—Spraying apparatus for discharge of liquids or other fluent material, without essentially mixing with gas or vapour
- B05B9/03—Spraying apparatus for discharge of liquids or other fluent material, without essentially mixing with gas or vapour characterised by means for supplying liquid or other fluent material
- B05B9/04—Spraying apparatus for discharge of liquids or other fluent material, without essentially mixing with gas or vapour characterised by means for supplying liquid or other fluent material with pressurised or compressible container; with pump
- B05B9/0403—Spraying apparatus for discharge of liquids or other fluent material, without essentially mixing with gas or vapour characterised by means for supplying liquid or other fluent material with pressurised or compressible container; with pump with pumps for liquids or other fluent material
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D3/00—Pretreatment of surfaces to which liquids or other fluent materials are to be applied; After-treatment of applied coatings, e.g. intermediate treating of an applied coating preparatory to subsequent applications of liquids or other fluent materials
- B05D3/04—Pretreatment of surfaces to which liquids or other fluent materials are to be applied; After-treatment of applied coatings, e.g. intermediate treating of an applied coating preparatory to subsequent applications of liquids or other fluent materials by exposure to gases
- B05D3/0406—Pretreatment of surfaces to which liquids or other fluent materials are to be applied; After-treatment of applied coatings, e.g. intermediate treating of an applied coating preparatory to subsequent applications of liquids or other fluent materials by exposure to gases the gas being air
- B05D3/0413—Heating with air
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- Coating Apparatus (AREA)
Abstract
The invention discloses an automatic surface spraying treatment device of an elastic rotating body, and belongs to the technical field of traffic equipment. The device comprises a bearing unit, a spraying unit and a spraying unit, wherein the bearing unit is used for fixing an elastic rotating body to be sprayed; the coating spraying unit is used for supplying coating to the elastic rotating body to be sprayed and simultaneously spraying the coating to the elastic rotating body; the coating curing unit is used for outputting hot air to the sprayed elastic rotating body so that the coating is cured on the surface of the elastic rotating body; the control unit comprises a PLC controller and a plurality of position sensors, and the PLC controller is electrically connected with the bearing unit, the coating spraying unit and the coating curing unit and is used for controlling the actions of the bearing unit, the coating spraying unit and the coating curing unit; the position sensor is used for determining the position of the elastic rotating body and feeding back a signal to the PLC. The device utilizes the sprayer to carry out the spraying coating to the elastic rotator, realizes the shutoff to the hole on its surface, keeps its outward appearance pleasing to the eye as far as possible.
Description
Technical Field
The invention belongs to the technical field of traffic equipment, and particularly relates to an automatic surface spraying treatment device of an elastic rotating body.
Background
With the rapid development of economy, automobiles are commonly used as a convenient vehicle. In China, the speed limit of different roads is different, for example, the speed limit of urban roads is 40 kilometers per hour, the speed limit of ordinary roads is 40-80 kilometers per hour, and the speed limit of express highways is 60-120 kilometers per hour, so most of traffic accidents in urban areas are rear-end accidents, and on the ordinary roads or the express highways, traffic accidents frequently occur due to the fact that the speed of automobiles is too fast, most serious of the traffic accidents are that automobiles running at high speed collide against guard rails on the roadside or in the middle of the roads, and the guard rails are composed of concrete bricks or concrete blocks arranged at intervals and transverse bars connecting adjacent blocks, or are composed of cross bars and vertical columns connected through steel structures, but the guard rails cannot absorb collision kinetic energy of the automobiles.
For this reason, rotary crash barriers have appeared on the market today, for example chinese patent CN201080000561.1 discloses a road impact absorbing facility; chinese patent CN201220370227.1 discloses an SA-level rotary crash barrier with a rotating body for absorbing impact force; and chinese patent CN201610384329.1 filed by the applicant in 2016, month 5, discloses a road traffic guardrail capable of buffering and absorbing impact. The main part of the rotary anti-collision traffic guardrail is an elastic rotating body, the elastic rotating body is made of one of ethylene-vinyl acetate (EVA) and flexible polyurethane through foaming, various uncertain factors exist in the foaming process and cause the elastic rotating body to be foamed unevenly, holes can be formed in the surface of a cylinder body, the rotary anti-collision traffic guardrail is generally installed in the middle or two sides of a road, dust raised by a vehicle running belt and tiny dust in the air can easily fall on the surface of the elastic rotating body, the dust enters the holes in the surface, after long-time accumulation, the surface of the elastic rotating body can be blackened, particularly, the elastic rotating body in the middle of an urban road directly influences the attractiveness.
The inventor found that chinese patent application No. 201821230798.9, published as 2019, 5, 7, discloses an elastic rotating body having a central symmetry and a hollow space inside, and an inlet port closable with a lid is formed in a part of the upper surface of the elastic rotating body, so that a foaming material can be introduced through the inlet port to form an elastic foamed material in the space. The elastic rotating body disclosed in the patent is provided with a layer of shell outside the foaming material, and the shell can prevent dust from falling into the foaming material to a certain extent, so that the problem of surface blackening is avoided.
In addition, in order to reduce the pores on the surface of the elastic rotating body, the raw material foaming angle can be used, for example, chinese patent application No. 201810703378.6 discloses a graphene-foamed EVA composite material, in which graphene oxide microspheres in the pores are expanded and reduced to gradually fill the pores, and finally, a porous graphene-filled foamed EVA material is obtained. The graphene is filled in the EVA holes, plays a role in supporting and energy absorption, and can effectively improve the strength and elasticity of the foaming material. Further, as in chinese patent application No. 201711082196.3, a permanently antistatic and conductive EVA is disclosed, which contains LDPE, EVA and calcium powder, and the product obtained is void-free.
Disclosure of Invention
1. Problems to be solved
Aiming at the problem that the surface of the existing elastic rotating body is easy to blacken, the invention provides the automatic surface spraying treatment device of the elastic rotating body, which can realize the surface spraying of the elastic rotating body, block the holes on the surface by coating, effectively prevent dust from entering the holes and solve the problem of blacking the surface.
2. Technical scheme
In order to solve the problems, the technical scheme adopted by the invention is as follows:
the automatic surface spraying treatment device of the elastic rotator comprises:
the bearing unit is used for fixing the elastic rotating body to be sprayed and automatically driving to the next process;
the coating spraying unit is used for supplying coating to the elastic rotating body to be sprayed and simultaneously spraying the coating to the elastic rotating body;
the coating curing unit is used for outputting hot air to the sprayed elastic rotating body so that the coating is cured on the surface of the elastic rotating body;
the control unit comprises a PLC controller and a plurality of position sensors, and the PLC controller is electrically connected with the bearing unit, the coating spraying unit and the coating curing unit and is used for controlling the actions of the bearing unit, the coating spraying unit and the coating curing unit; the position sensor is used for determining the position of the elastic rotating body and feeding back a signal to the PLC.
In a possible embodiment of the present invention, the carrying unit includes a carrying trolley, a bracket, a fixing seat and a servo motor, the bracket is fixed on the carrying trolley, and the fixing seat is cylindrical and connected with the servo motor and fixed on the bracket; the fixing base cup joints with the elastic rotator, and servo motor and PLC controller electrical connection can fix the elastic rotator, avoid its rotation.
In a possible embodiment of the present invention, the paint spraying unit includes a feeding component, a self-walking sprayer, a slide rail, and a fixing rod, the self-walking sprayer is fixed by the slide rail and the fixing rod, the feeding component includes a material conveying pipe, a material conveying pump, and a material box, the material box is disposed on the carrying trolley, the material conveying pipe is connected to the material conveying pump and the self-walking sprayer, the material conveying pump pumps paint in the material box to the self-walking sprayer, and the self-walking sprayer, the material conveying pump, and the PLC controller are electrically connected.
In a possible embodiment of the present invention, the coating curing unit includes a power regulator, an air heater, a thermocouple and an air outlet pipe, the air heater is connected to an air inlet of the air outlet pipe, at least one thermocouple is installed at an air outlet of the air outlet pipe, the thermocouple monitors the temperature of the air outlet pipe in real time, the power regulator is electrically connected to the air heater, and the power regulator and the thermocouple are electrically connected to the PLC controller, so that the air heater is controlled to change the temperature of the air outlet according to the temperature range required by the temperature measurement location of the thermocouple.
In a possible embodiment of the present invention, an air outlet cap is disposed at a lower end of the air outlet pipe, and the air outlet cap is flared and faces downward.
In a possible implementation manner of the invention, the bearing trolley is provided with a cavity, the cavity is internally provided with a feed box, one side of the feed box is provided with a discharge hole, the discharge hole is connected with a feed delivery pipe, the feed box is internally provided with a stirring paddle, the stirring paddle is provided with a driving motor, the driving motor is electrically connected with the PLC, and the stirring paddle is used for uninterruptedly stirring the coating so as to avoid the coating in the feed box from precipitating.
In a possible implementation mode of the invention, one side of the material box is in an opening shape, and the other side of the material box is provided with a feeding hole.
In a possible implementation manner of the invention, the heating sheet is arranged on the outer wall of the material box, and the heating sheet is electrically connected with the PLC.
In a possible embodiment of the present invention, a hand push rod is disposed on the carrying trolley.
In one possible embodiment of the present invention, the main components of the coating are epoxy resin and a curing agent, and the weight ratio of the epoxy resin to the curing agent is 100: (20-60), the epoxy resin includes glycidyl ethers, glycidyl esters, glycidyl amines, linear aliphatic epoxy resins, and aliphatic epoxy resins, or the epoxy resin includes E51, E44, E42, E35, E20, and E12; the curing agent is polyether amine modified curing agent, acetic anhydride, low molecular weight polyamide resin or acetone.
In a possible embodiment of the present invention, the hot air blower is an industrial hot air blower, the air is heated by electricity, the continuous use temperature can reach 500 ℃ at most, and the air outlet of the hot air blower is provided with a K-type thermocouple to directly detect and control the temperature of the air outlet of the hot air blower.
In a possible embodiment of the present invention, the fixing base is provided with an adjusting assembly, the adjusting assembly includes a pressing block and an elastic member, one end of the elastic member is connected to the pressing block, and the other end of the elastic member is connected to the fixing base.
In one possible embodiment of the present invention, the heating sheet is a carbon fiber heating sheet.
The invention also provides an automatic surface spraying treatment method of the elastic rotating body, which comprises the following steps:
s101, fixing an elastic rotating body on a fixed seat, outputting a first instruction to a bearing trolley by a PLC (programmable logic controller) to run to the position below a self-walking sprayer, outputting a signal to the PLC by a position sensor, and stopping the bearing trolley under the control of the PLC;
step S102, the PLC outputs a second instruction to the servo motor to drive the elastic rotating body to rotate;
step S103, outputting a third instruction to a material conveying pump by the PLC, conveying the coating to a self-walking sprayer by the material conveying pump, and spraying the coating on the elastic rotating body by the self-walking sprayer;
and S104, after coating spraying is finished, the bearing trolley runs to the position below the air outlet cap, the position sensor outputs a signal to the PLC, the bearing trolley stops under the control of the PLC, the PLC outputs a fourth instruction to the power regulator, the hot air fan outputs hot air, the temperature of the hot air is controlled to be 200 ℃, the PLC outputs a fifth instruction to the servo motor, the elastic rotating body rotates, and the coating is heated, cured and adhered to the surface of the elastic rotating body.
In a possible embodiment of the present invention, the PLC controller outputs a sixth command to the heating plate, and the temperature of the heating plate is raised to 100-.
3. Advantageous effects
Compared with the prior art, the invention has the beneficial effects that:
(1) according to the automatic surface spraying treatment device for the elastic rotating body, the sprayer is used for spraying the coating on the elastic rotating body, the layer of cured protective film is formed on the surface of the elastic rotating body, holes in the surface of the elastic rotating body are blocked on the premise that the use function of the elastic rotating body is not influenced, dust and the elastic rotating body are effectively isolated, the dust is prevented from falling into the holes, the surface of the elastic rotating body is smooth, the dust is cleaned regularly, and the appearance is kept attractive as much as possible;
(2) the automatic surface spraying treatment device of the elastic rotating body has the advantages of simple structure, reasonable design and easy manufacture.
Drawings
The technical solutions of the present invention will be described in further detail below with reference to the accompanying drawings and examples, but it should be understood that these drawings are designed for illustrative purposes only and thus do not limit the scope of the present invention. Furthermore, unless otherwise indicated, the drawings are intended to be illustrative of the structural configurations described herein and are not necessarily drawn to scale.
FIG. 1 is a schematic view of a structural elastic rotator of the present invention;
FIG. 2 is a schematic structural view of an automatic surface coating apparatus for an elastic rotating body according to the present invention;
FIG. 3 is a schematic view of a partial structure of an automatic surface coating apparatus for an elastic rotating body according to the present invention;
FIG. 4 is a schematic structural diagram of an adjusting assembly of the surface coating device of the elastic rotator of the present invention.
The notation in the figure is:
100. a carrying unit; 110. carrying a trolley; 111. a cavity; 112. a stirring paddle; 113. a drive motor; 114. a handspike; 120. a support; 130. a fixed seat; 131. pressing the block; 132. an elastic member; 140. a servo motor;
200. a paint spraying unit; 210. a delivery pipe; 220. a delivery pump; 230. a material box; 231. a heating plate; 232. a feed inlet; 233. a discharge port; 240. a self-propelled sprayer; 250. a slide rail; 260. fixing the rod;
300. a coating curing unit; 310. a power regulator; 320. a hot air blower; 330. a thermocouple; 340. an air outlet pipe; 350. an air outlet cap;
400. an elastic rotating body.
Detailed Description
The following detailed description of exemplary embodiments of the invention refers to the accompanying drawings, which form a part hereof, and in which is shown by way of illustration exemplary embodiments in which the invention may be practiced. Although these exemplary embodiments are described in sufficient detail to enable those skilled in the art to practice the invention, it should be understood that other embodiments may be realized and that various changes to the invention may be made without departing from the spirit and scope of the present invention. The following more detailed description of the embodiments of the invention is not intended to limit the scope of the invention, as claimed, but is presented for purposes of illustration only and not limitation to describe the features and characteristics of the invention, to set forth the best mode of carrying out the invention, and to sufficiently enable one skilled in the art to practice the invention. Accordingly, the scope of the invention is to be limited only by the following claims.
The detailed description and exemplary embodiments of the invention will be better understood when read in conjunction with the appended drawings, where the elements and features of the invention are identified by reference numerals.
Example 1
As shown in fig. 1, the elastic rotating body 400 of the present invention is made of one of ethylene-vinyl acetate (EVA) and flexible polyurethane, and when the elastic rotating body 400 is impacted by a vehicle load, the elastic rotating body 400 can absorb impact energy well, so as to buffer, stabilize and guide the vehicle, reduce the risk of collision rebound, avoid sideslip and rollover during vehicle collision, and effectively improve the safety of people in the vehicle.
As described in the background art, various uncertain factors in the foaming process cause uneven foaming of the elastic rotating body 400, holes are formed on the surface of the elastic rotating body, the rotating crash barriers are generally installed in the middle or on both sides of a road, dust raised by the running of a vehicle and tiny dust in the air are very likely to fall on the surface of the elastic rotating body 400, and the dust enters the holes on the surface and can cause blackening of the surface of the elastic rotating body 400 after being accumulated for a long time, particularly the elastic rotating body 400 located in the middle of an urban road, which directly affects the appearance. Based on the above problems, through a lot of experiments and analyses, the inventor can enhance the compactness of the rotating body by improving the raw material of the rotating body, so as to reduce the void ratio, and can set a compact protective film or shell or layer on the surface of the elastic rotating body 400 in a physical manner to block dust from entering the void. However, it has been found through a lot of research that the foaming technology of EVA is mature at present and a lot of patents and papers are published at home and abroad, and thus, the method using raw materials is not suitable. For the surface of the elastic rotating body 400 is provided with a dense protective film or protective shell or protective layer, not only the material problem of the elastic rotating body itself needs to be considered, but also the particularity of the structural shape of the elastic rotating body needs to be considered, and a similar technical scheme is not disclosed at present.
As shown in fig. 2 to 4, the surface spraying treatment apparatus of the elastic rotary body 400 of the present embodiment includes: a carrying unit 100 for fixing the elastic rotary body 400 to be painted and automatically driving to the next process; a coating material spraying unit 200 for supplying a coating material to the elastic rotary body 400 to be sprayed while spraying the coating material to the elastic rotary body 400; a coating curing unit 300 for outputting hot air to the sprayed elastic rotating body 400 so that the coating is cured on the surface of the elastic rotating body 400; the control unit comprises a PLC (programmable logic controller) (Siemens plate PLC, not marked in the figure) and a plurality of position sensors (purchased from the market), and the PLC is electrically connected with the bearing unit 100, the coating spraying unit 200 and the coating curing unit 300 (including wired connection, wireless connection and the like) and is used for controlling the actions of the bearing unit 100, the coating spraying unit 200 and the coating curing unit 300; the position sensor is used for determining the position of the elastic rotary body 400 and feeding back a signal to the PLC controller.
In the invention, the surface spraying of the elastic rotating body by the inventor is in a preliminary trial stage, the selection of the coating and the related spraying process are not mature, but the hole blocking of the surface of the elastic rotating body can be basically realized.
In this embodiment, the carrying unit 100 includes a carrying trolley 110 (a driving wheel with a motor), a bracket 120, a fixing seat 130 and a servo motor 140, the bracket 120 is fixed on the carrying trolley 110, and the fixing seat 130 is cylindrical and connected to the servo motor 140 and fixed on the bracket 120; the fixing base 130 is sleeved with the elastic rotating body 400, and the carrying trolley 110 and the servo motor 140 are electrically connected with the PLC controller, so that the elastic rotating body 400 can be fixed to prevent the rotation thereof.
In fig. 2, it can be seen that the paint spraying unit 200 includes a feeding part, a self-propelled sprayer 240 (for example, a product produced by the new practical company of eastern skimmit), a slide rail 250 and a fixing rod 260, the self-propelled sprayer 240 is fixed by the slide rail 250 and the fixing rod 260, the feeding part includes a feed delivery pipe 210, a feed delivery pump 220 and a bin 230, the bin 230 can be separately disposed on one side below the self-propelled sprayer 240, in addition, a preferable bin 230 is disposed on the carrying cart 110, the feed delivery pipe 210 is connected with the feed delivery pump 220 and the self-propelled sprayer 240, the feed delivery pump 220 pumps the paint in the bin 230 to the self-propelled sprayer 240, and the self-propelled sprayer 240, the feed delivery pump 220 and the PLC controller are electrically connected. After the position of the carrying cart 110 is fixed, the position of the elastic rotating body 400 is not suitable to be adjusted, in this case, the sliding rail 250 can adjust the self-walking sprayer 240 to spray the elastic rotating body 400 in the length direction.
In addition, electrostatic spraying can be adopted for spraying the coating, so that electrostatic spraying equipment can be selected, and the coating suitable for electrostatic spraying can be selected.
The sprayed coating can be cured at room temperature, and in order to increase the curing speed, the coating can be heated, dried and cured after being sprayed. The coating curing unit 300 comprises a power regulator 310, an air heater 320, a thermocouple 330 and an air outlet pipe 340, wherein the air heater 320 is connected with an air inlet of the air outlet pipe 340, at least one thermocouple 330 is installed at the air outlet of the air outlet pipe 340, the thermocouple 330 monitors the temperature of the air outlet pipe 340 in real time, the power regulator 310 is electrically connected with the air heater 320, and the power regulator 310 and the thermocouple 330 are electrically connected with a PLC (programmable logic controller) so as to control the air heater 320 to change the temperature of the air outlet according to the temperature range required by the temperature measurement position of the thermocouple 330.
Similarly, when the plant is produced in large scale, commercial high-temperature gas can be selected to replace a hot air blower, and the temperature of hot air is controlled.
The specifications of the elastic rotary body 400 currently produced by this company include three types (length x width): 480 mm 220mm, 480 mm 500mm and 240 mm 500mm, the specification of elastic rotating body 400 is different, therefore, the requirement to the air-out face is different, in this embodiment, the lower extreme of air-out pipe 340 is provided with air-out cap 350, air-out cap 350 is flaring and down, can enlarge the hot-blast air-out area, can satisfy the solidification requirement of the elastic rotating body 400 of more specifications.
In the present invention, the position sensors are mainly disposed at two positions, one position sensor being disposed on the ground directly below the center of the slide rail 250; another position sensor is disposed on the ground right below the air outlet cap 350 to respectively determine the spraying position and the hot air curing position, thereby realizing the automatic spraying of the elastic rotary body 400 without manual operation.
Further, as shown in fig. 2, a cavity 111 is formed in the carrying trolley 110, a material box 230 is disposed in the cavity 111, one side of the material box 230 is open, and a feeding hole 232 is formed in the other side; one side of the feed box 230 is provided with a discharge port 233, the discharge port 233 is connected with the feed delivery pipe 210, the feed box 230 is internally provided with a stirring paddle 112, the stirring paddle 112 is provided with a driving motor 113, the driving motor 113 is electrically connected with the PLC, and the stirring paddle 112 continuously stirs the coating to avoid the coating in the feed box 230 from precipitating. The bin 230 is arranged on the carrying trolley 110, one part of the coating sprayed from the walking sprayer 240 is sprayed on the elastic rotating body 400, and the other part falls into the open bin 230, so that the waste of the coating can be effectively avoided. Meanwhile, the stirring paddle 112 is disposed in the material box 230 to continuously stir the paint, so that the paint can be prevented from settling or caking. When the paint in the bin 230 is not sufficient, the feed can be made through feed port 232.
In addition to the above structure, a carbon fiber heating sheet 231 may be disposed on an outer wall of the hopper 230, and the heating sheet 231 may be electrically connected to the PLC controller. The carbon fiber heating sheet 231 has the characteristics of light weight and quick heating effect, and is safe and convenient to use.
The device according to the invention is optionally operated manually, so that the carrying trolley 110 is provided with a hand lever 114.
Further, the main components of the coating are epoxy resin and a curing agent, and the weight ratio of the epoxy resin to the curing agent is 100: (20-60), the epoxy resin includes glycidyl ethers, glycidyl esters, glycidyl amines, linear aliphatic epoxy resins, and aliphatic epoxy resins, or the epoxy resin includes E51, E44, E42, E35, E20, and E12; the curing agent is polyether amine modified curing agent, acetic anhydride, low molecular weight polyamide resin or acetone. On one hand, the epoxy resin has good associativity with the elastic rotating body 400, the spraying effect is good, and the epoxy resin can not fall off for a long time, so that the use timeliness is ensured; on the other hand, liquid or solid epoxy resin may be heated in the tank 230 to enhance its fluidity, wherein curing agents such as acetone may also be used as a solvent to facilitate spraying. The epoxy resin and the curing agent are all conventional products purchased from the market.
Further, the hot air blower 320 is an industrial hot air blower 320, the air is heated by electricity, the continuous use temperature can reach 500 ℃ at most, and the air outlet of the hot air blower 320 is provided with a K-type thermocouple 330 for directly detecting and controlling the temperature of the air outlet of the hot air blower 320. For the curing temperature of the present invention, the air outlet temperature range of the air heater 320 completely meets the production requirement.
Considering that a rigid plastic sleeve is fitted inside the elastic rotating body 400, the elastic rotating body 400 and the fixing base 130 will rotate relatively, so that an adjusting assembly is disposed on the fixing base 130, the adjusting assembly includes a pressing block 131 and an elastic member 132, the elastic member 132 may be, for example, a spring, and one end of the elastic member 132 is connected to the pressing block 131, and the other end is connected to the fixing base 130. The elastic member 132 applies a force to the pressing member, and the pressing member presses against the inner sidewall of the sleeve, so as to effectively prevent the elastic rotating body 400 from rotating.
Example 2
On the basis of embodiment 1, the present embodiment provides an automatic surface spraying processing method for an elastic rotating body 400, including the following steps:
step S101, the elastic rotating body 400 is fixed on the fixed seat 130, the PLC outputs a first instruction to the bearing trolley 110 to run to the position below the self-walking sprayer 240, the position sensor outputs a signal to the PLC, and the bearing trolley 110 stops under the control of the PLC;
step S102, the PLC outputs a second instruction to the servo motor 140 to drive the elastic rotating body 400 to rotate;
step S103, the PLC outputs a third instruction to the material conveying pump 220, the material conveying pump 220 conveys the coating to the self-walking sprayer 240, and the self-walking sprayer 240 works to spray the coating on the elastic rotating body 400;
step S104, after the coating spraying is finished, the bearing trolley 110 runs to the position below the air outlet cap 350, the position sensor outputs a signal to the PLC, the bearing trolley 110 stops under the control of the PLC, the PLC outputs a fourth instruction to the power regulator 310, the air heater outputs hot air, the temperature of the hot air is controlled to be 200 ℃ and the PLC outputs a fifth instruction to the servo motor 140, the elastic rotating body rotates, and the coating is heated, cured and adhered to the surface of the elastic rotating body 400.
Further, the PLC controller outputs a fifth command to the heating plate 231, and the heating plate 231 heats up to 100 ℃, and the paint may be acetone and E51, so as to ensure that the paint in the bin 230 has good fluidity.
The present invention and its embodiments have been described above schematically, without limitation, and what is shown in the drawings is only one of the embodiments of the present invention, and the actual structure is not limited thereto. Therefore, if the person skilled in the art receives the teaching, without departing from the spirit of the invention, the person skilled in the art shall not inventively design the similar structural modes and embodiments to the technical solution, but shall fall within the scope of the invention.
Claims (10)
1. An automatic surface coating processing device of an elastic rotating body is characterized by comprising:
the bearing unit (100) is used for fixing the elastic rotating body (400) to be sprayed;
a coating material spraying unit (200) for supplying a coating material to the elastic rotating body (400) to be sprayed and simultaneously spraying the coating material to the elastic rotating body (400);
a coating curing unit (300) for outputting hot air to the sprayed elastic rotating body (400) so that the coating is cured on the surface of the elastic rotating body (400);
the control unit comprises a PLC (programmable logic controller) and a plurality of position sensors, and the PLC is electrically connected with the bearing unit (100), the paint spraying unit (200) and the paint curing unit (300) and is used for controlling the actions of the bearing unit, the paint spraying unit and the paint curing unit; the position sensor is used for determining the position of the elastic rotating body (400) and feeding back a signal to the PLC.
2. The automatic surface coating processing device of the elastic rotating body according to claim 1, wherein the carrying unit (100) comprises a carrying trolley (110), a bracket (120), a fixing seat (130) and a servo motor (140), the bracket (120) is fixed on the carrying trolley (110), the fixing seat (130) is cylindrical and connected with the servo motor (140) and is fixed on the bracket (120); the fixing seat (130) is sleeved with the elastic rotating body (400), and the servo motor (140) is electrically connected with the PLC controller, so that the elastic rotating body (400) can be fixed and prevented from rotating.
3. The apparatus for automatically spraying a surface of an elastic rotary body as set forth in claim 2, wherein the paint spraying unit (200) comprises a feeding member, a self-propelled sprayer (240), a slide rail (250) and a fixing rod (260), the self-propelled sprayer (240) is fixed by the slide rail (250) and the fixing rod (260), the feeding member comprises a feed pipe (210), a feed pump (220) and a feed bin (230), the feed bin (230) is disposed on the carrying trolley (110), the feed pipe (210) connects the feed pump (220) and the self-propelled sprayer (240), the feed pump (220) pumps the paint in the feed bin (230) to the self-propelled sprayer (240), and the self-propelled sprayer (240), the feed pump (220) and the PLC controller are electrically connected.
4. The automatic surface spraying treatment device of the elastic rotating body according to claim 1, wherein the coating curing unit (300) comprises a power regulator (310), a hot air blower (320), a thermocouple (330) and an air outlet pipe (340), the hot air blower (320) is connected with an air inlet of the air outlet pipe (340), at least one thermocouple (330) is installed at an air outlet of the air outlet pipe (340), the thermocouple (330) monitors the temperature of the air outlet pipe (340) in real time, the power regulator (310) is electrically connected with the hot air blower (320), and the power regulator (310) and the thermocouple (330) are electrically connected with the PLC, so that the temperature of the air outlet of the hot air blower (320) is controlled to change according to the temperature range required by the temperature measurement place of the thermocouple (330).
5. The automatic surface coating processing device of the elastic rotating body according to claim 4, wherein the lower end of the air outlet pipe (340) is provided with an air outlet cap (350), and the air outlet cap (350) is flared and faces downwards.
6. The automatic surface coating processing device of an elastic rotating body according to claim 5, wherein one of the position sensors is provided on the ground directly below the center of the slide rail (250); and the other position sensor is arranged on the ground right below the air outlet cap (350) and respectively realizes the determination of the spraying position and the determination of the hot air curing position.
7. The automatic surface coating device of the elastic rotating body as claimed in claim 4, wherein the carrying trolley (110) is provided with a cavity (111), the cavity (111) is provided with a material box (230), one side of the material box (230) is provided with a material outlet, the material outlet is connected with the material conveying pipe (210), the material box (230) is provided with a stirring paddle (112), the stirring paddle (112) is provided with a driving motor (113), the driving motor (113) is electrically connected with the PLC, and the stirring paddle (112) continuously stirs the coating to prevent the coating in the material box (230) from precipitating.
8. The automatic surface coating processing device of the elastic rotating body according to claim 7, wherein the outer wall of the hopper (230) is provided with a heating sheet (231), and the heating sheet (231) is electrically connected with the PLC controller.
9. The automatic surface coating processing device of an elastic rotating body according to any one of claims 1 to 8, wherein the coating material comprises an epoxy resin and a curing agent in a weight ratio of 100: (20-60), the epoxy resin includes glycidyl ethers, glycidyl esters, glycidyl amines, linear aliphatic epoxy resins, and aliphatic epoxy resins, or the epoxy resin includes E51, E44, E42, E35, E20, and E12; the curing agent is polyether amine modified curing agent, acetic anhydride, low molecular weight polyamide resin or acetone.
10. The automatic surface coating processing device of the elastic rotating body according to claim 2, wherein the hot air blower (320) is an industrial hot air blower (320) which uses electric heating air and has a continuous use temperature of up to 500 ℃, and the air outlet of the hot air blower (320) is provided with a K-type thermocouple (330) to directly detect and control the temperature of the air outlet of the hot air blower (320).
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| Application Number | Priority Date | Filing Date | Title |
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| CN202110772571.7A CN113560101A (en) | 2021-07-08 | 2021-07-08 | Automatic surface spraying processing device of elastic rotating body |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110772571.7A CN113560101A (en) | 2021-07-08 | 2021-07-08 | Automatic surface spraying processing device of elastic rotating body |
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| CN113560101A true CN113560101A (en) | 2021-10-29 |
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| CN202110772571.7A Pending CN113560101A (en) | 2021-07-08 | 2021-07-08 | Automatic surface spraying processing device of elastic rotating body |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN117861928A (en) * | 2024-03-11 | 2024-04-12 | 国网山东省电力公司潍坊供电公司 | Spraying device for insulator |
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| CN117861928B (en) * | 2024-03-11 | 2024-05-07 | 国网山东省电力公司潍坊供电公司 | Spraying device for insulator |
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