CN117718174A - Dead angle-free intelligent spraying device for quick-drying type pipe - Google Patents
Dead angle-free intelligent spraying device for quick-drying type pipe Download PDFInfo
- Publication number
- CN117718174A CN117718174A CN202410179542.3A CN202410179542A CN117718174A CN 117718174 A CN117718174 A CN 117718174A CN 202410179542 A CN202410179542 A CN 202410179542A CN 117718174 A CN117718174 A CN 117718174A
- Authority
- CN
- China
- Prior art keywords
- spraying
- angle
- drying
- pipe
- chamber
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 238000005507 spraying Methods 0.000 title claims abstract description 151
- 238000001035 drying Methods 0.000 title claims abstract description 64
- 239000007921 spray Substances 0.000 claims description 44
- 238000001514 detection method Methods 0.000 claims description 24
- 239000011248 coating agent Substances 0.000 claims description 17
- 238000000576 coating method Methods 0.000 claims description 17
- 230000000007 visual effect Effects 0.000 claims description 9
- 238000006073 displacement reaction Methods 0.000 claims description 8
- 239000007787 solid Substances 0.000 claims description 7
- 230000005540 biological transmission Effects 0.000 claims description 5
- 238000011179 visual inspection Methods 0.000 claims description 4
- 230000005611 electricity Effects 0.000 claims 1
- 238000000034 method Methods 0.000 description 12
- 230000008569 process Effects 0.000 description 7
- 239000000463 material Substances 0.000 description 6
- 239000003973 paint Substances 0.000 description 6
- 230000001105 regulatory effect Effects 0.000 description 6
- 230000009471 action Effects 0.000 description 5
- 230000033001 locomotion Effects 0.000 description 5
- 238000004062 sedimentation Methods 0.000 description 5
- 230000007547 defect Effects 0.000 description 4
- 230000011218 segmentation Effects 0.000 description 4
- 230000001276 controlling effect Effects 0.000 description 3
- 238000010438 heat treatment Methods 0.000 description 3
- 238000007689 inspection Methods 0.000 description 2
- 210000001503 joint Anatomy 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 238000009740 moulding (composite fabrication) Methods 0.000 description 2
- 238000005457 optimization Methods 0.000 description 2
- 238000004321 preservation Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000011038 discontinuous diafiltration by volume reduction Methods 0.000 description 1
- 238000005485 electric heating Methods 0.000 description 1
- 230000003028 elevating effect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000006698 induction Effects 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 230000005389 magnetism Effects 0.000 description 1
- 239000003208 petroleum Substances 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 238000011897 real-time detection Methods 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/10—Greenhouse gas [GHG] capture, material saving, heat recovery or other energy efficient measures, e.g. motor control, characterised by manufacturing processes, e.g. for rolling metal or metal working
Landscapes
- Spray Control Apparatus (AREA)
Abstract
The invention discloses a dead-angle-free intelligent spraying device for a quick-drying pipe, which is used for automatically spraying the pipe.
Description
Technical Field
The invention relates to the technical field of pipe spraying, in particular to an intelligent dead angle-free spraying device for a quick-drying pipe.
Background
The pipe is widely applied to the fields of chemical industry, petroleum, machining and forming and the like as a main channel for conveying fluid, and in order to prolong the service life of the pipe, the outer surface of the pipe is required to be sprayed with paint to form a specific protective film.
At present, when the pipe is sprayed, only quantitative spraying can be adopted, and when the pipe with different specifications is sprayed, related spraying parameters are required to be manually adjusted, so that the surfaces of different pipes can be uniformly coated. However, with the continuous complicacy of tubular product service scenario, the tubular product is when the shaping, probably adopts different pipe diameters, adjusts through the manual work, and spraying efficiency is lower.
In addition, when spraying the pipeline, need carry out the centre gripping, and the position of centre gripping is sheltered from the coating easily to influence local spraying quality. After the spraying is finished, if the pipe is directly transferred to a drying station, the supported part is easy to cause the partial coating of the pipe to fall off, so that the spraying, drying and forming quality is reduced.
Disclosure of Invention
The invention aims to provide a dead-angle-free intelligent spraying device for a quick-drying type pipe, which aims to solve the problems in the background technology.
In order to solve the technical problems, the invention provides the following technical scheme:
the utility model provides a quick drying is dead angle-free intelligent spraying device for tubular product, spraying device is used for carrying out automatic spraying to tubular product, and spraying device includes work box, conveyor, guiding device and drying device, and the work box is arranged in the conveyor middle section, is equipped with spray booth and drying chamber on the work box in proper order along tubular product output direction, and guiding device arranges in the spray booth, and drying device and drying chamber pipeline intercommunication, drying device are used for carrying out hot drying to tubular product.
Carry out automatic spraying through spraying device to the tubular product surface, according to the user demand, select suitable coating, improve the performance of tubular product, for example carry out anticorrosive, the spraying of heat preservation coating, the middle section of conveyor is arranged in to the work box, set up loading robot at the conveyor front end, carry out tubular product automatic feeding, after the material loading is accomplished, carry out automatic conveying to the tubular product through conveyor, when the spray booth of work box is carried to the tubular product, carry out the segmentation spraying through guiding device to the tubular product surface, guarantee the spraying and have not dead angle, carry the drying chamber again after the spraying is accomplished, carry out quick drying through drying device, improve spraying efficiency.
Further, the conveying device comprises a bracket and a steering assembly, the brackets are respectively arranged on two sides of the working box, a plurality of conveying rollers are respectively arranged on two sides of the bracket along the conveying direction of the pipe, the conveying rollers are power rollers, the steering assembly is arranged at the inlet of the spraying chamber, and the steering assembly is used for driving the pipe to rotate;
the flow guiding device comprises a nozzle, a mounting seat and a lifting cylinder, wherein the lifting cylinder is fixedly connected with the wall surface of the spraying chamber, the output end of the lifting cylinder is fixedly connected with the mounting seat, the lifting cylinder 34 is positioned right above the pipe 5, the lower end of the mounting seat is provided with the nozzle, the nozzle inlet is communicated with the coating pipe, the nozzle intermittently sprays, and the spraying shape of the nozzle is solid cone.
The support is used as main supporting foundation for install the conveying cylinder, conveying cylinder embeds the motor, be power cylinder, through output torque, drive tubular product forward motion, thereby carry out the segmentation spraying, two supports set up respectively in the work box both sides, thereby need not set up conveying cylinder in spray booth and stoving room, the part of spraying does not have the centre gripping, guarantee that the spraying does not have the dead angle, avoid influencing spraying and stoving quality, through setting up steering assembly, when carrying out the segmentation spraying, each section with tubular product outer disc all falls into a plurality of district, thereby carry out the subregion spraying, in the subregion spraying process, drive tubular product rotation through steering assembly, after all districts with each section tubular product are all sprayed, the rethread conveying cylinder drives tubular product forward motion, carry out next section spraying, the nozzle is installed on the mount pad, the mount pad is located the output of elevating cylinder, be used for adjusting the height of mount pad, carry out automatic adjustment according to the tubular product of different specifications, guarantee that the distance from the nozzle to tubular product upper surface peak keeps unanimous, subsidence height is unanimous, the nozzle spray shape is solid toper, because the adoption is, after the spraying is accomplished certain region, control tubular product rotation spraying of steering assembly, thereby carry out next regional spraying.
Further, turn to the subassembly and include holder, slip table, gyro wheel and actuating cylinder, the holder is arranged in the spraying is indoor, is equipped with the through-hole on the holder, is equipped with a plurality of driving chambers along holder through-hole circumference, and driving chamber quantity is not less than three, and actuating cylinder arranges the actuating chamber in, and the actuating cylinder output is equipped with the slip table, is equipped with the gyration groove on the slip table, and gyro wheel and gyration groove rotate to be connected, and gyration groove one side is equipped with the gyrator, gyrator output and gyro wheel fastening connection, and slip table one side and tubular product excircle butt are kept away from to the gyro wheel, slip table and driving chamber sliding connection.
The spray booth embeds the holder, the holder middle part sets up the through-hole, set up a plurality of driving chambers along the circumference of through-hole, the driving chamber sets up threely at least, be used for installing the location to the driving cylinder, when carrying out the centre gripping location to the tubular product of different specifications, through driving cylinder output linear displacement, drive the slip table and slide along the driving chamber, two slip tables move in opposite directions, make a plurality of gyro wheels carry out the centre gripping to the tubular product excircle, the gyro wheel can adopt the rubber material, help guaranteeing friction transmission efficiency, output torque through the gyrator, drive the gyro wheel and rotate, thereby drive tubular product rotation, carry out the subregion spraying to the different regions of the same section of tubular product.
Further, the guiding device further comprises an adjusting component, a detection cavity is formed in the clamping seat, the adjusting component is arranged in the detection cavity and comprises a clamping block and a coil, the clamping block is located on the upper side of the pipe, the lower end of the clamping block is in butt joint with the pipe, the lower side of the clamping block is obliquely arranged, a magnetic column is arranged at the upper end of the clamping block, the coil is arranged in the detection cavity, the magnetic column is in sliding connection with the detection cavity, and the upper end of the magnetic column is inserted into the coil inner ring.
Through the detection chamber on the holder, the adjustment subassembly is installed, the fixture block lower extreme slope sets up, and at the material loading initial stage, when tubular product forward movement, it is transmitted through the inclined plane to drive the fixture block and reciprocate, the fixture block lower extreme sets up the arc wall for the fixture block rises the back, lower extreme and tubular product keep two point contact, the fixture block rises the in-process, drive the magnetic pillar and slide along detecting the chamber, the magnetic pillar inserts the coil inner circle, the coil is cutting magnetism and is felt line motion, and produce induced current, thereby carry out automated inspection to the different specifications of tubular product.
Further, the rotary motor is driven step by step, the spray nozzle spray falls in the spray area on the upper side of the pipe, the single driving radian of the rotary motor is half of the spray area, the fan plates are arranged on two sides of the nozzle outlet and are connected with the mounting seat in a rotating mode, the angle adjusting motor is arranged on the mounting seat, the output end of the angle adjusting motor is connected with the axis of the fan plates in a driving mode, and the coil is electrically connected with the angle adjusting motor.
The single rotation angle is half radian of a spraying area, namely, an overlapping area exists in two adjacent spraying, equal sedimentation coating components in unit area are guaranteed in a downward sedimentation process, namely, uniformity of spraying is guaranteed, when spraying is conducted on pipes of different specifications, for example, when the diameter of the pipe is increased, if the same spraying taper is kept, the spraying quantity of the unit area is easily reduced due to the increase of the radian of the spraying area, the fan plate is driven to rotate inwards through the angle modulation motor, the spraying taper is reduced through the fan plate diversion, so that the spraying quantity of the unit area is increased, uniformity of spraying of pipes of different specifications is guaranteed, particularly when spraying of the same pipe of different pipe diameters is conducted, spraying quality is guaranteed, through current signal collection on a coil, the spraying angle is automatically adjusted according to detected current signals, and accordingly, the spraying density is automatically adjusted according to the curvature of the pipe, and the spraying uniformity is guaranteed.
Further, drying device includes hot-blast main and vision detection camera, and hot-blast main and drying chamber pipeline intercommunication, and drying chamber is kept away from spraying room one side and is equipped with the compensation room, and the vision detection camera is arranged in the compensation room, and vision detection camera detects the end towards tubular product stoving surface.
The hot-blast main is connected with the fan, is equipped with the heating wire in the pipe for heat the air, and the tubular product after the air orientation spraying of heating carries out hot drying to the coating, and the stoving is accomplished the back, and tubular product gets into in the compensation room, carries out real-time detection to surface spraying quality through visual detection camera.
Further, the drying device further comprises a compensation component, the compensation component is arranged in the compensation chamber, the compensation component comprises a base and an elastic sheet, the upper end of the base is fixedly connected with the compensation chamber through an electric cylinder, the base is provided with a supporting rod in a downward extending mode, the base is fixedly connected with the elastic sheet through the supporting rod, the elastic sheet is provided with a compensation runner, the compensation runner is axially arranged along the pipe, and one side of the compensation runner is communicated with the compensation pipe.
When the surface of the pipe has defects, paint is input into the compensation runner of the elastic sheet through the compensation pipe, and the base is driven to descend through the electric cylinder, so that the compensation runner of the elastic sheet is attached to the defect of the pipe, the paint spreads along the compensation runner under the action of surface tension and fills into the coating concave part to compensate the concave part with uneven local spraying, the base is fixed at the middle part of the elastic sheet through the supporting rod, and the elastic sheet adopts an elastic metal sheet, so that the service life is ensured.
As optimization, the two ends of the lower side of the base are respectively provided with an adjusting cylinder, the output end of the adjusting cylinder is fixedly connected with the elastic piece, and the visual detection camera is used for controlling the output displacement of the adjusting cylinder. The visual inspection camera is used for detecting the concave sectional area of the coating, and controlling the output displacement of the adjusting cylinder according to the concave sectional area, and the curvature of the elastic sheet is adjusted by the adjusting cylinders on two sides due to the fact that the middle of the elastic sheet is fixed, so that the horizontal sectional area of the compensation flow channel is adjusted, real-time adjustment is carried out according to the concave section to be compensated, and compensation precision is improved.
Compared with the prior art, the invention has the following beneficial effects: according to the invention, the two brackets are respectively arranged at two sides of the working box, so that a conveying roller is not required to be arranged in a spraying chamber and a drying chamber, spraying is ensured to be free of dead angles due to no clamping at part, spraying and drying quality are prevented from being influenced; the spray shape of the nozzle is solid cone, and because intermittent spraying is adopted, after a certain area is sprayed, the pipe is controlled to rotate through the steering assembly, so that the spraying of the next area is carried out; when spraying to the tubular product of different specifications, for example when the tubular product diameter increases, if keep the same spray tapering, because the radian increase of spraying area, the spray volume that leads to the unit area easily reduces, drive the fan board through angle modulation motor and to interior rotation, through the fan board water conservancy diversion for spray tapering reduces, thereby make the spray volume increase of unit area, thereby guarantee the spray homogeneity to different specification tubular products, especially when spraying to the same tubular product of different pipe diameters, guarantee the spray quality, through collecting the current signal on the coil, according to the current signal that detects, automatically regulated spray angle, thereby according to the camber automatically regulated spraying density of tubular product, guarantee the spray homogeneity.
Drawings
The accompanying drawings are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate the invention and together with the embodiments of the invention, serve to explain the invention. In the drawings:
FIG. 1 is a schematic general construction of the present invention;
FIG. 2 is a schematic view of a work box of the present invention in semi-section;
FIG. 3 is a schematic view of the spray state of the present invention;
FIG. 4 is an enlarged view of part A of the view of FIG. 3;
FIG. 5 is a schematic view of spray cone angle adjustment of the present invention;
FIG. 6 is a schematic illustration of the coating partial compensation structure of the present invention;
FIG. 7 is an enlarged view of part B of the view of FIG. 5;
in the figure: 1-working box, 11-spraying room, 12-drying room, 13-compensating room, 2-conveying device, 21-bracket, 22-conveying roller, 23-steering component, 231-clamping seat, 2311-driving cavity, 2312-detecting cavity, 232-sliding table, 233-roller, 234-driving cylinder, 235-rotary motor, 3-guiding device, 31-adjusting component, 311-clamping block, 312-magnetic column, 313-coil, 32-nozzle, 33-mounting seat, 34-lifting cylinder, 35-fan plate, 36-angle adjusting motor, 4-drying device, 41-hot air pipe, 42-visual detecting camera, 43-compensating component, 431-base, 432-adjusting cylinder, 433-elastic sheet, 434-supporting rod and 5-pipe.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
The invention provides the technical scheme that:
as shown in fig. 1-2, a quick drying type intelligent spraying device for tubular product does not have dead angle, spraying device is used for carrying out automatic spraying to tubular product 5, and spraying device includes work box 1, conveyor 2, guiding device 3 and drying device 4, and work box 1 arranges in conveyor 2 middle section, is equipped with spray booth 11 and drying chamber 12 along tubular product 5 output direction in proper order on the work box 1, and in spray booth 11 was arranged in to guiding device 3, drying device 4 and drying chamber 12 pipeline intercommunication, and drying device 4 is used for carrying out the hot drying to tubular product 5.
Carry out automatic spraying through spraying device to tubular product 5 surface, according to the user demand, select suitable coating, improve the performance of tubular product, for example carry out anticorrosive, the spraying of heat preservation coating, the middle section of conveyor 2 is arranged in to work box 1, set up loading robot at conveyor 2 front end, carry out tubular product 5 automatic feeding, after the material loading is accomplished, carry out automatic transport to tubular product through conveyor 2, when the tubular product is carried to the spray booth 11 of work box 1, carry out the segmentation spraying through guiding device 3 to tubular product 5 surface, guarantee that the spraying does not have the dead angle, carry drying chamber 12 again after the spraying is accomplished, carry out quick drying through drying device 4, improve spraying efficiency.
As shown in fig. 2-4, the conveying device 2 comprises a bracket 21 and a steering assembly 23, the two sides of the working box 1 are respectively provided with the bracket 21, the two sides of the bracket 21 along the conveying direction of the pipe 5 are respectively provided with a plurality of conveying rollers 22, the conveying rollers 22 are power rollers, the inlet of the spraying chamber 11 is provided with the steering assembly 23, and the steering assembly 23 is used for driving the pipe 5 to rotate;
the guiding device 3 comprises a nozzle 32, a mounting seat 33 and a lifting cylinder 34, the lifting cylinder 34 is fixedly connected with the wall surface of the spraying chamber 11, the output end of the lifting cylinder 34 is fixedly connected with the mounting seat 33, the lifting cylinder 34 is positioned right above the pipe 5, the lower end of the mounting seat 33 is provided with the nozzle 32, the inlet of the nozzle 32 is communicated with a coating pipe, the nozzle 32 is intermittently sprayed, and the spraying shape of the nozzle 32 is solid cone.
The support 21 is used as a main supporting base for installing the conveying roller 22, the conveying roller 22 is internally provided with a motor and is a power roller, the pipe 5 is driven to move forward through output torque, so that sectional spraying is carried out, the two supports 21 are respectively arranged on two sides of the working box 1, the conveying rollers are not arranged in the spraying chamber 11 and the drying chamber 12, the spraying part is not clamped, no dead angle is ensured, the influence on spraying and drying quality is avoided, the steering assembly 23 is arranged, each section of the outer circular surface of the pipe 5 is divided into a plurality of areas when the sectional spraying is carried out, the steering assembly 23 drives the pipe 5 to rotate in the sectional spraying process, all areas of each section of the pipe 5 are driven to move forward through the conveying roller 22 after the pipe 5 is sprayed, the next section of spraying is carried out, the nozzle 32 is arranged on the mounting seat 33, the mounting seat 33 is positioned at the output end of the lifting cylinder 34, the height of the mounting seat 33 is regulated, the pipe according to different specifications is automatically regulated, the distance from the top point of the upper surface of the pipe is ensured to be consistent, namely, the sedimentation height is consistent, the spraying shape of the nozzle 32 is solid and the spraying is in a conical shape, and the intermittent spraying is controlled after the intermittent spraying is carried out in the area, and the area is controlled by adopting the following the rotating assembly 23, and the area is controlled to rotate after the area is controlled.
As shown in fig. 4, the steering assembly 23 includes a holder 231, a sliding table 232, a roller 233 and a driving cylinder 234, the holder 231 is disposed in the spray booth 11, a through hole is formed in the holder 231, a plurality of driving cavities 2311 are circumferentially formed along the through hole of the holder 231, the number of the driving cavities 2311 is not lower than three, the driving cylinder 234 is disposed in the driving cavity 2311, the output end of the driving cylinder 234 is provided with the sliding table 232, a rotating groove is formed in the sliding table 232, the roller 233 is rotationally connected with the rotating groove, a rotating motor 235 is disposed on one side of the rotating groove, the output end of the rotating motor 235 is fixedly connected with the roller 233, one side of the roller 233, which is far away from the sliding table 232, is in butt joint with the outer circle of the pipe 5, and the sliding table 232 is slidingly connected with the driving cavity 2311.
The spray booth 11 embeds holder 231, the holder 231 middle part sets up the through-hole, set up a plurality of driving chambers 2311 along the circumference of through-hole, driving chamber 2311 sets up threely at least, be used for installing the location to actuating cylinder 234, when carrying out the centre gripping location to tubular product 5 of different specifications, output linear displacement through actuating cylinder 234, drive slip table 232 and slide along driving chamber 2311, two slip table 232 move in opposite directions in-process, make a plurality of gyro wheels 233 carry out the centre gripping to tubular product 5 excircle, the gyro wheel 233 can adopt the rubber material, help guaranteeing friction transmission efficiency, output torque through rotary motor 235, drive gyro wheel 233 rotates, thereby drive tubular product 5 and rotate, carry out the subregion spraying to the different regions of tubular product 5 same section.
As shown in fig. 2, the flow guiding device 3 further includes an adjusting component 31, a detecting cavity 2312 is disposed on the clamping seat 231, the adjusting component 31 is disposed in the detecting cavity 2312, the adjusting component 31 includes a clamping block 311 and a coil 313, the clamping block 311 is located on the upper side of the pipe 5, the lower end of the clamping block 311 is abutted to the pipe 5, the lower end of the clamping block 311 is obliquely disposed, a magnetic column 312 is disposed on the upper end of the clamping block 311, the coil 313 is disposed in the detecting cavity 2312, the magnetic column 312 is slidably connected with the detecting cavity 2312, and the upper end of the magnetic column 312 is inserted into an inner ring of the coil 313.
Through the detection chamber 2312 on the holder 231, install adjusting part 31, fixture block 311 lower extreme slope sets up, at the material loading initial stage, when tubular product 5 moves forward, drive through the inclined plane, thereby drive fixture block 311 and move up, fixture block 311 lower extreme sets up the arc wall, be used for the fixture block 311 to rise the back, lower extreme and tubular product 5 keep two point contact, fixture block 311 rises the in-process, drive magnetic pillar 312 and slide along detecting chamber 2312, magnetic pillar 312 inserts the coil 313 inner circle, the cutting magnetic induction line motion is done to coil 313, and produce induced current, thereby carry out automated inspection to the different specifications of tubular product 5.
As shown in fig. 5 and 7, the rotary motor 235 is driven step by step, the spray area of the spray nozzle 32 on the upper side of the pipe 5 is a spray area, the single driving radian of the rotary motor 235 is half of the spray area, the fan plate 35 is arranged on two sides of the outlet of the spray nozzle 32, the fan plate 35 is connected with the mounting seat 33 in a rotating way, the angle adjusting motor 36 is arranged on the mounting seat 33, the output end of the angle adjusting motor 36 is connected with the axis of the fan plate 35 in a driving way, and the coil 313 is electrically connected with the angle adjusting motor 36.
The single rotation angle is half radian of a spraying area, namely, an overlapping area exists in two adjacent spraying, equal sedimentation coating components in unit area are guaranteed in a downward sedimentation process, namely, uniformity of spraying is guaranteed, when spraying is carried out on pipes with different specifications, for example, when the diameter of the pipe 5 is increased, if the same spraying taper is kept, the spraying quantity in unit area is easily reduced due to the increase of the radian of the spraying area, the fan plate 35 is driven to rotate through the angle adjusting motor 36 to conduct flow guiding through the fan plate 35, the spraying taper is reduced, the spraying quantity in unit area is increased, uniformity of spraying on the pipe 5 with different specifications is guaranteed, particularly, when spraying on the same pipe 5 with different pipe diameters is guaranteed, the spraying quality is guaranteed, through current signal collection on the coil 313, the spraying angle is automatically adjusted according to detected current signals, and accordingly, the spraying density is automatically adjusted according to the curvature of the pipe, and the spraying uniformity is guaranteed.
As shown in fig. 2 and 6, the drying device 4 comprises a hot air pipe 41 and a visual detection camera 42, the hot air pipe 41 is in pipeline communication with the drying chamber 12, a compensation chamber 13 is arranged on one side of the drying chamber 12 away from the spraying chamber 11, the visual detection camera 42 is arranged in the compensation chamber 13, and the detection end of the visual detection camera 42 faces to the drying surface of the pipe 5.
The hot air pipe 41 is connected with a fan, an electric heating wire is arranged in the pipe and used for heating air, the heated air faces the sprayed pipe 5, the paint is dried in a hot mode, after the drying is finished, the pipe 5 enters the compensation chamber 13, and the surface spraying quality is detected in real time through the visual detection camera 42.
As shown in fig. 6, the drying device 4 further includes a compensation component 43, the compensation component 43 is disposed in the compensation chamber 13, the compensation component 43 includes a base 431 and an elastic piece 433, the upper end of the base 431 is fixedly connected with the compensation chamber 13 through an electric cylinder, the base 431 is provided with a supporting rod 434 in a downward extending manner, the base 431 is fixedly connected with the elastic piece 433 through the supporting rod 434, the elastic piece 433 is provided with a compensation runner, the compensation runner is axially disposed along the pipe 5, and one side of the compensation runner is communicated with the compensation pipe.
When the surface of the pipe 5 has defects, paint is input into the compensation flow channel of the elastic sheet 433 through the compensation pipe, and the base 431 is driven to move downwards through the electric cylinder, so that the compensation flow channel of the elastic sheet 433 is attached to the defect of the pipe 5, the paint spreads along the compensation flow channel under the action of surface tension and fills into the coating concave part, the concave part with uneven local spraying is compensated, the base 431 is fixed in the middle of the elastic sheet 433 through the supporting rod 434, and the elastic sheet 433 is made of an elastic metal sheet, so that the service life is ensured.
As an optimization, two ends of the lower side of the base 431 are respectively provided with an adjusting cylinder 432, the output end of the adjusting cylinder 432 is fixedly connected with the elastic sheet 433, and the visual inspection camera 42 is used for controlling the adjusting cylinder 432 to output displacement. The visual inspection camera 42 is used for detecting the concave sectional area of the coating, and the output displacement of the adjusting cylinder 432 is controlled according to the concave sectional area, and the curvature of the elastic sheet 433 is adjusted through the adjusting cylinders 432 on two sides because the middle part of the elastic sheet 433 is fixed, so that the horizontal sectional area of the compensation flow channel is adjusted, and the compensation accuracy is improved by real-time adjustment according to the concave section to be compensated.
The working principle of the invention is as follows: the two brackets 21 are respectively arranged at two sides of the working box 1, so that conveying rollers are not required to be arranged in the spraying chamber 11 and the drying chamber 12, the spraying part is free of clamping, no dead angle is ensured, the influence on the spraying and drying quality is avoided, the steering assembly 23 is arranged, each section of the outer circular surface of the pipe 5 is divided into a plurality of sections when the sectional spraying is carried out, the pipe 5 is driven to rotate by the steering assembly 23 in the sectional spraying process, and after all sections of the pipe 5 are sprayed, the pipe 5 is driven to move forwards by the conveying rollers 22 to carry out the next section of spraying; the spray shape of the spray nozzle 32 is solid cone, and after spraying a certain area, the pipe 5 is controlled to rotate by the steering assembly 23 so as to spray the next area; when spraying to the tubular product of different specifications, for example when tubular product 5 diameter increases, if keep the same spray tapering, because the radian of spraying area increases, easily lead to the spray volume reduction of unit area, drive fan board 35 through angle modulation motor 36 and to the internal rotation, flow guide through fan board 35, make the spray tapering reduce, thereby make the spray volume increase of unit area, thereby guarantee the spray homogeneity to different specification tubular product 5, especially when spraying to same tubular product 5 of different pipe diameters, guarantee the spray quality, through collecting the current signal on the coil 313, according to the current signal that detects, automatically regulated spray angle, thereby according to the camber automatically regulated spraying density of tubular product, guarantee the spray homogeneity.
It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Finally, it should be noted that: the foregoing description is only a preferred embodiment of the present invention, and the present invention is not limited thereto, but it is to be understood that modifications and equivalents of some of the technical features described in the foregoing embodiments may be made by those skilled in the art, although the present invention has been described in detail with reference to the foregoing embodiments. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (8)
1. Quick drying formula tubular product is with no dead angle intelligence spraying device, spraying device is used for carrying out automatic spraying to tubular product (5), its characterized in that: the spraying device comprises a working box (1), a conveying device (2), a flow guiding device (3) and a drying device (4), wherein the working box (1) is arranged in the middle section of the conveying device (2), a spraying chamber (11) and a drying chamber (12) are sequentially arranged on the working box (1) along the output direction of a pipe (5), the flow guiding device (3) is arranged in the spraying chamber (11), the drying device (4) is communicated with the drying chamber (12) through a pipeline, and the drying device (4) is used for carrying out thermal drying on the pipe (5).
2. The intelligent dead-angle-free spraying device for the quick-drying type pipe according to claim 1, wherein the intelligent dead-angle-free spraying device is characterized in that: the conveying device (2) comprises a bracket (21) and a steering assembly (23), wherein the brackets (21) are respectively arranged on two sides of the working box (1), a plurality of conveying rollers (22) are respectively arranged on two sides of the bracket (21) along the conveying direction of the pipe (5), the conveying rollers (22) are power rollers, the steering assembly (23) is arranged at the inlet of the spraying chamber (11), and the steering assembly (23) is used for driving the pipe (5) to rotate;
the guiding device (3) comprises a nozzle (32), a mounting seat (33) and a lifting cylinder (34), wherein the lifting cylinder (34) is fixedly connected with the wall surface of the spraying chamber (11), the output end of the lifting cylinder (34) is fixedly connected with the mounting seat (33), the lifting cylinder (34) outputs displacement along the vertical direction of the axis of the pipe (5), the lower end of the mounting seat (33) is provided with the nozzle (32), the inlet of the nozzle (32) is communicated with the coating pipe, the nozzle (32) is intermittently sprayed, and the spraying shape of the nozzle (32) is solid cone.
3. The intelligent dead-angle-free spraying device for the quick-drying type pipe according to claim 2, wherein the intelligent dead-angle-free spraying device is characterized in that: steering assembly (23) are including holder (231), slip table (232), gyro wheel (233) and actuating cylinder (234), in spray booth (11) are arranged in to holder (231), be equipped with the through-hole on holder (231), follow holder (231) through-hole circumference is equipped with a plurality of actuating chambers (2311), actuating chamber (2311) quantity is not less than three, actuating cylinder (234) are arranged in actuating chamber (2311), and actuating cylinder (234) output is equipped with slip table (232), be equipped with gyration groove on slip table (232), gyro wheel (233) and gyration groove rotation connection, gyration groove one side is equipped with gyration motor (235), gyration motor (235) output and gyro wheel (233) fastening connection, slip table (232) one side and tubular product (5) excircle butt are kept away from to gyro wheel (233), slip table (232) and actuating chamber (2311) sliding connection.
4. A dead angle-free intelligent spraying device for a quick-drying type pipe according to claim 3, which is characterized in that: the guide device (3) further comprises an adjusting component (31), a detection cavity (2312) is formed in the clamping seat (231), the adjusting component (31) is arranged in the detection cavity (2312), the adjusting component (31) comprises a clamping block (311) and a coil (313), the clamping block (311) is located on the upper side of the pipe (5), the lower end of the clamping block (311) is abutted to the pipe (5), the lower side of the clamping block (311) is obliquely arranged, a magnetic column (312) is arranged at the upper end of the clamping block (311), the coil (313) is arranged in the detection cavity (2312), the magnetic column (312) is connected with the detection cavity (2312) in a sliding mode, and the upper end of the magnetic column (312) is inserted into the inner ring of the coil (313).
5. The intelligent dead-angle-free spraying device for the quick-drying type pipe according to claim 4, wherein the intelligent dead-angle-free spraying device is characterized in that: the utility model discloses a rotary electric machine, including tubular product (5) and nozzle (32), rotary electric machine (235) step-by-step transmission, the region that nozzle (32) spraying falls on tubular product (5) upside is spraying region, rotary electric machine (235) single transmission radian is spraying region's half, nozzle (32) export both sides are equipped with fan board (35), fan board (35) and mount pad (33) rotate to be connected, be equipped with angle modulation motor (36) on mount pad (33), angle modulation motor (36) output and fan board (35) axis transmission are connected, coil (313) and angle modulation motor (36) electricity are connected.
6. The intelligent dead-angle-free spraying device for the quick-drying type pipe according to claim 5, wherein the intelligent dead-angle-free spraying device is characterized in that: drying device (4) are including hot-blast main (41) and visual detection camera (42), hot-blast main (41) and drying chamber (12) pipeline intercommunication, drying chamber (12) are kept away from spraying room (11) one side and are equipped with compensation room (13), visual detection camera (42) are arranged in compensation room (13), visual detection camera (42) detection end is towards tubular product (5) stoving surface.
7. The intelligent dead-angle-free spraying device for the quick-drying type pipe according to claim 6, wherein the intelligent dead-angle-free spraying device is characterized in that: drying device (4) still include compensation subassembly (43), compensation subassembly (43) are arranged in compensating chamber (13), and compensation subassembly (43) are including base (431) and elastic sheet (433), base (431) upper end is through electric jar and compensating chamber (13) fastening connection, and base (431) downwardly extending is equipped with support pole (434), and base (431) are through support pole (434) and elastic sheet (433) fastening connection, be equipped with the compensation runner on elastic sheet (433), compensation runner is along tubular product (5) axial arrangement, compensation runner one side and compensation pipe intercommunication.
8. The intelligent dead-angle-free spraying device for the quick-drying type pipe according to claim 7, wherein the intelligent dead-angle-free spraying device is characterized in that: the visual inspection camera (42) is used for controlling the output displacement of the adjusting cylinder (432).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202410179542.3A CN117718174B (en) | 2024-02-18 | 2024-02-18 | Dead angle-free intelligent spraying device for quick-drying type pipe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202410179542.3A CN117718174B (en) | 2024-02-18 | 2024-02-18 | Dead angle-free intelligent spraying device for quick-drying type pipe |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN117718174A true CN117718174A (en) | 2024-03-19 |
| CN117718174B CN117718174B (en) | 2024-05-24 |
Family
ID=90202025
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202410179542.3A Active CN117718174B (en) | 2024-02-18 | 2024-02-18 | Dead angle-free intelligent spraying device for quick-drying type pipe |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN117718174B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117983445A (en) * | 2024-04-03 | 2024-05-07 | 常州碳禾新材料科技有限公司 | Glass glaze coating device with prevent piling up |
| CN118060117A (en) * | 2024-04-25 | 2024-05-24 | 江苏三佑管道科技有限公司 | Electrostatic action type pipeline uniform distribution spraying device |
Citations (23)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CA868820A (en) * | 1971-04-20 | V. Beaman Norman | Apparatus for greasing baking pans | |
| BE818190A (en) * | 1973-07-30 | 1974-11-18 | MACHINE FOR SANDING TUBES OR BENDED BARS | |
| US20180243780A1 (en) * | 2017-02-25 | 2018-08-30 | Citic Dicastal Co.,Ltd | Intelligent flexible hub powder spraying line and process |
| CN110328081A (en) * | 2019-06-28 | 2019-10-15 | 盐城东方天成机械有限公司 | A kind of large pipe inside spraying equipment |
| CN209613348U (en) * | 2019-01-10 | 2019-11-12 | 武汉励耕果园机械有限公司 | A kind of trunk whitewashing machine that spraying flow can be adjusted according to trunk diameter |
| CN110961295A (en) * | 2019-12-20 | 2020-04-07 | 新兴河北工程技术有限公司 | Automatic spraying system for pipe fitting bell and spigot |
| CN111071689A (en) * | 2020-01-06 | 2020-04-28 | 重庆科创职业学院 | Automatic material loading inspection robot |
| CN111804477A (en) * | 2020-07-06 | 2020-10-23 | 江西汇明智能喷涂科技有限公司 | A intelligent spraying device for panel processing |
| CN211914312U (en) * | 2019-12-20 | 2020-11-13 | 新兴河北工程技术有限公司 | Automatic spraying system for pipe fitting bell and spigot |
| CN112090660A (en) * | 2020-08-20 | 2020-12-18 | 塔里木大学 | Mechanical automatic spraying device based on computer vision |
| CN112221799A (en) * | 2020-12-12 | 2021-01-15 | 潍坊思博精工科技有限公司 | Cylinder head automated inspection spraying production line |
| CN113649188A (en) * | 2021-09-27 | 2021-11-16 | 淮北阳光管业科技有限公司 | Line spraying equipment for pipe machining |
| CN215141151U (en) * | 2021-05-13 | 2021-12-14 | 中山市唯一精密智能装备有限公司 | Spraying equipment with intelligent distance-adjusting spraying device |
| CN114100898A (en) * | 2021-10-16 | 2022-03-01 | 湖南千源铝业有限公司 | Anticorrosive spraying device and method for aluminum alloy pipe |
| CN216383041U (en) * | 2021-10-16 | 2022-04-26 | 江苏三佑管道科技有限公司 | PVC pipe fitting for building drainage convenient to aggregate erection |
| CN216800269U (en) * | 2021-11-17 | 2022-06-24 | 中建四局安装工程有限公司 | Intelligent annular paint spraying and drying device |
| CN216826900U (en) * | 2022-02-14 | 2022-06-28 | 佛山市腾凯包装材料有限公司 | Surface spraying and drying integrated device for plastic protection plate processing |
| CN217289011U (en) * | 2022-05-19 | 2022-08-26 | 天津天管防腐工程有限公司 | Pipeline outer wall spraying device capable of being used in batches |
| CN115155865A (en) * | 2022-07-04 | 2022-10-11 | 新兴河北工程技术有限公司 | Device and method suitable for automatic paint repair of nodular cast iron pipe |
| CN115254493A (en) * | 2022-08-22 | 2022-11-01 | 中骅(天津)建设工程有限公司 | Anticorrosive spraying equipment for petrochemical |
| CN219273478U (en) * | 2023-03-31 | 2023-06-30 | 中建安装集团有限公司 | Automatic rust removal, paint spraying, baking and dust removing integrated equipment for environment-friendly storage channel |
| CN220072148U (en) * | 2023-06-06 | 2023-11-24 | 湾区(广东)建筑装配科技有限公司 | Intelligent high-efficiency steel bar rust-proof spraying device |
| CN117327891A (en) * | 2023-10-10 | 2024-01-02 | 亚太轻合金(南通)科技有限公司 | Aluminum pipe heat treatment device |
-
2024
- 2024-02-18 CN CN202410179542.3A patent/CN117718174B/en active Active
Patent Citations (23)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CA868820A (en) * | 1971-04-20 | V. Beaman Norman | Apparatus for greasing baking pans | |
| BE818190A (en) * | 1973-07-30 | 1974-11-18 | MACHINE FOR SANDING TUBES OR BENDED BARS | |
| US20180243780A1 (en) * | 2017-02-25 | 2018-08-30 | Citic Dicastal Co.,Ltd | Intelligent flexible hub powder spraying line and process |
| CN209613348U (en) * | 2019-01-10 | 2019-11-12 | 武汉励耕果园机械有限公司 | A kind of trunk whitewashing machine that spraying flow can be adjusted according to trunk diameter |
| CN110328081A (en) * | 2019-06-28 | 2019-10-15 | 盐城东方天成机械有限公司 | A kind of large pipe inside spraying equipment |
| CN110961295A (en) * | 2019-12-20 | 2020-04-07 | 新兴河北工程技术有限公司 | Automatic spraying system for pipe fitting bell and spigot |
| CN211914312U (en) * | 2019-12-20 | 2020-11-13 | 新兴河北工程技术有限公司 | Automatic spraying system for pipe fitting bell and spigot |
| CN111071689A (en) * | 2020-01-06 | 2020-04-28 | 重庆科创职业学院 | Automatic material loading inspection robot |
| CN111804477A (en) * | 2020-07-06 | 2020-10-23 | 江西汇明智能喷涂科技有限公司 | A intelligent spraying device for panel processing |
| CN112090660A (en) * | 2020-08-20 | 2020-12-18 | 塔里木大学 | Mechanical automatic spraying device based on computer vision |
| CN112221799A (en) * | 2020-12-12 | 2021-01-15 | 潍坊思博精工科技有限公司 | Cylinder head automated inspection spraying production line |
| CN215141151U (en) * | 2021-05-13 | 2021-12-14 | 中山市唯一精密智能装备有限公司 | Spraying equipment with intelligent distance-adjusting spraying device |
| CN113649188A (en) * | 2021-09-27 | 2021-11-16 | 淮北阳光管业科技有限公司 | Line spraying equipment for pipe machining |
| CN114100898A (en) * | 2021-10-16 | 2022-03-01 | 湖南千源铝业有限公司 | Anticorrosive spraying device and method for aluminum alloy pipe |
| CN216383041U (en) * | 2021-10-16 | 2022-04-26 | 江苏三佑管道科技有限公司 | PVC pipe fitting for building drainage convenient to aggregate erection |
| CN216800269U (en) * | 2021-11-17 | 2022-06-24 | 中建四局安装工程有限公司 | Intelligent annular paint spraying and drying device |
| CN216826900U (en) * | 2022-02-14 | 2022-06-28 | 佛山市腾凯包装材料有限公司 | Surface spraying and drying integrated device for plastic protection plate processing |
| CN217289011U (en) * | 2022-05-19 | 2022-08-26 | 天津天管防腐工程有限公司 | Pipeline outer wall spraying device capable of being used in batches |
| CN115155865A (en) * | 2022-07-04 | 2022-10-11 | 新兴河北工程技术有限公司 | Device and method suitable for automatic paint repair of nodular cast iron pipe |
| CN115254493A (en) * | 2022-08-22 | 2022-11-01 | 中骅(天津)建设工程有限公司 | Anticorrosive spraying equipment for petrochemical |
| CN219273478U (en) * | 2023-03-31 | 2023-06-30 | 中建安装集团有限公司 | Automatic rust removal, paint spraying, baking and dust removing integrated equipment for environment-friendly storage channel |
| CN220072148U (en) * | 2023-06-06 | 2023-11-24 | 湾区(广东)建筑装配科技有限公司 | Intelligent high-efficiency steel bar rust-proof spraying device |
| CN117327891A (en) * | 2023-10-10 | 2024-01-02 | 亚太轻合金(南通)科技有限公司 | Aluminum pipe heat treatment device |
Non-Patent Citations (2)
| Title |
|---|
| 夏海渤;王浩;栾俊;刁朔;于全蕾;: "地铁车辆表面处理采用等离子镀膜的性能研究", 铁道车辆, no. 08, 10 August 2020 (2020-08-10), pages 28 - 32 * |
| 张小辉;毛萍莉;刘正;: "锅炉受热面3种电弧喷涂层的抗高温腐蚀性能与机理", 材料保护, no. 10, 15 October 2010 (2010-10-15), pages 8 - 9 * |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117983445A (en) * | 2024-04-03 | 2024-05-07 | 常州碳禾新材料科技有限公司 | Glass glaze coating device with prevent piling up |
| CN117983445B (en) * | 2024-04-03 | 2024-05-31 | 常州碳禾新材料科技有限公司 | Glass glaze coating device with prevent piling up |
| CN118060117A (en) * | 2024-04-25 | 2024-05-24 | 江苏三佑管道科技有限公司 | Electrostatic action type pipeline uniform distribution spraying device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN117718174B (en) | 2024-05-24 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN117718174B (en) | Dead angle-free intelligent spraying device for quick-drying type pipe | |
| CN103623978B (en) | The special production system of the hot roller coating of a kind of steel pipe corrosion-proof and utilize the special rolling process of this special production system | |
| US5817177A (en) | Apparatus for application of liquid materials onto substates | |
| CN108890057B (en) | Automatic welding equipment for four-way valve end cover | |
| WO2022116485A1 (en) | Water pump pipeline flange connecting device and fabrication process therefor | |
| CN210545875U (en) | Full-automatic container surface spraying device | |
| CN109877497B (en) | Device and process for welding ERW pipe by movable cooling magnetic bar | |
| CN114654712A (en) | A sticky tape winding spraying all-in-one for return bend | |
| CN105803170A (en) | Spraying and quenching device for aluminum alloy tubular workpiece and application method of spraying and quenching device | |
| CN117754076B (en) | Stainless steel welded pipe welding system of processing | |
| CN112808499A (en) | Nodular cast iron pipe spraying device | |
| CN210357876U (en) | Plastic-coated steel pipe plasticizing device | |
| CN103316950B (en) | Spinning forming device for large-diameter thin-walled pipes and application method thereof | |
| CN206122845U (en) | Induction brazing equipment | |
| CN209532092U (en) | A kind of increasing material manufacturing equipment of rotary type metal parts | |
| CN113083569B (en) | Control device and control method for mechanical arm for electrostatic spraying of automobile parts | |
| CN115747430A (en) | Single-inductor bearing integral soft-belt-free quenching equipment | |
| CN214068452U (en) | Be used for electromagnetic winding enameled wire single face japanning frock | |
| CN105363653B (en) | A kind of device and technique of pipe fitting inner circle thermal spraying engineering plastics | |
| CN206474337U (en) | Can automatic oil spout belt pulley forming machine | |
| CN215658306U (en) | Rotary table induction brazing equipment for welding air conditioner pipe joint | |
| CN108837963A (en) | A kind of full-automatic polytetrafluoroethylene (PTFE) powder blower | |
| CN2465853Y (en) | Location prewelding | |
| CN110144580A (en) | A kind of numerically controlled automatic stock composite pipe spraying device | |
| CN112827721A (en) | Transfer film coating system and coating method thereof |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |