CN118179809B - Coating device for steel pipe production and control method thereof - Google Patents
Coating device for steel pipe production and control method thereof Download PDFInfo
- Publication number
- CN118179809B CN118179809B CN202410598604.4A CN202410598604A CN118179809B CN 118179809 B CN118179809 B CN 118179809B CN 202410598604 A CN202410598604 A CN 202410598604A CN 118179809 B CN118179809 B CN 118179809B
- Authority
- CN
- China
- Prior art keywords
- steel pipe
- coating
- information
- assembly
- cylinder
- 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.)
- Active
Links
- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 229
- 239000010959 steel Substances 0.000 title claims abstract description 229
- 238000000576 coating method Methods 0.000 title claims abstract description 213
- 239000011248 coating agent Substances 0.000 title claims abstract description 208
- 238000000034 method Methods 0.000 title claims abstract description 25
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 18
- 238000005507 spraying Methods 0.000 claims abstract description 73
- 230000000712 assembly Effects 0.000 claims abstract description 47
- 238000000429 assembly Methods 0.000 claims abstract description 47
- 239000007921 spray Substances 0.000 claims abstract description 45
- 239000000463 material Substances 0.000 claims abstract description 26
- 230000001502 supplementing effect Effects 0.000 claims abstract description 22
- 239000013589 supplement Substances 0.000 claims abstract description 12
- 239000003973 paint Substances 0.000 claims description 26
- 230000001133 acceleration Effects 0.000 claims description 18
- 238000004364 calculation method Methods 0.000 claims description 10
- 238000005086 pumping Methods 0.000 claims description 8
- 230000005540 biological transmission Effects 0.000 claims description 6
- 230000000149 penetrating effect Effects 0.000 claims description 6
- 230000005484 gravity Effects 0.000 claims description 5
- 230000000903 blocking effect Effects 0.000 claims description 4
- 238000004891 communication Methods 0.000 claims description 4
- 230000009286 beneficial effect Effects 0.000 abstract description 3
- 230000033001 locomotion Effects 0.000 description 13
- 230000008569 process Effects 0.000 description 9
- 238000007747 plating Methods 0.000 description 8
- 235000017166 Bambusa arundinacea Nutrition 0.000 description 7
- 235000017491 Bambusa tulda Nutrition 0.000 description 7
- 241001330002 Bambuseae Species 0.000 description 7
- 235000015334 Phyllostachys viridis Nutrition 0.000 description 7
- 239000011425 bamboo Substances 0.000 description 7
- 239000002994 raw material Substances 0.000 description 5
- 230000009471 action Effects 0.000 description 4
- 238000001514 detection method Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 238000000889 atomisation Methods 0.000 description 2
- 230000003028 elevating effect Effects 0.000 description 2
- 238000003780 insertion Methods 0.000 description 2
- 230000037431 insertion Effects 0.000 description 2
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 238000004381 surface treatment Methods 0.000 description 1
Classifications
-
- 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
- B05B13/06—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 specially designed for treating the inside of hollow bodies
- B05B13/0645—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 specially designed for treating the inside of hollow bodies the hollow bodies being rotated during treatment operation
- B05B13/0654—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 specially designed for treating the inside of hollow bodies the hollow bodies being rotated during treatment operation and a treating nozzles being translated through the hollow bodies in a direction essentially parallel to the rotational axis
-
- 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
- B05B12/084—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 condition of liquid or other fluent material already sprayed on the target, e.g. coating thickness, weight or pattern
-
- 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
-
- 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
- B05B13/06—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 specially designed for treating the inside of hollow bodies
- B05B13/0627—Arrangements of nozzles or spray heads specially adapted for treating the inside of hollow bodies
-
- 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
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B11/00—Measuring arrangements characterised by the use of optical techniques
- G01B11/02—Measuring arrangements characterised by the use of optical techniques for measuring length, width or thickness
- G01B11/06—Measuring arrangements characterised by the use of optical techniques for measuring length, width or thickness for measuring thickness ; e.g. of sheet material
- G01B11/0616—Measuring arrangements characterised by the use of optical techniques for measuring length, width or thickness for measuring thickness ; e.g. of sheet material of coating
-
- 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
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Spray Control Apparatus (AREA)
- Coating Apparatus (AREA)
Abstract
The invention relates to the technical field of steel pipe production, in particular to a coating device for steel pipe production and a control method thereof, comprising a base and further comprising: the two support assemblies are symmetrically arranged on the base; the two positioning assemblies are correspondingly arranged with the two supporting assemblies and are used for clamping and positioning the steel pipes together and driving the steel pipes to integrally rotate after positioning, and the supporting assemblies drive the steel pipes to adjust the vertical positions by lifting the heights of the positioning assemblies; the two material supplementing assemblies are arranged corresponding to the two supporting assemblies so as to supplement the coating; the inner spraying assembly is detachably arranged between the two positioning assemblies; the device is arranged through the inner spraying assembly, so that the coating is sprayed on the inner wall of the steel pipe along with the spiral track of the inner spraying assembly, and workers do not need to enter the steel pipe to spray, thereby being beneficial to improving the convenience of coating the inner wall of the slender steel pipe.
Description
Technical Field
The invention relates to the field of steel pipe production, in particular to a coating device for steel pipe production and a control method thereof.
Background
The steel pipe coating is a surface treatment technology for improving the corrosion resistance, wear resistance, aesthetic degree and specific functions (such as self-lubricating property, electric conductivity and the like) of the steel pipe, and the service life of the steel pipe under various environments can be remarkably prolonged by applying one or more layers of coatings with protection and special properties on the surface of the steel pipe, so that the steel pipe is suitable for different purposes and working condition requirements.
In the prior art, when the steel pipe is coated in a spraying mode, the paint is sprayed to the surface of the steel pipe in an atomization mode, then the paint is solidified into a film, if the steel pipe to be coated is in a slender shape, workers cannot directly enter the steel pipe to align the inner wall for coating treatment, the coating effect on the inner wall of the steel pipe is difficult to control, and the coating quality of the steel pipe is affected.
Disclosure of Invention
The invention aims to solve the defects in the prior art, and provides a coating device for steel pipe production and a control method thereof.
In a first aspect, the present invention provides a coating device for steel pipe production, including a base, and further including:
the two support assemblies are symmetrically arranged on the base;
the two positioning assemblies are correspondingly arranged with the two supporting assemblies and are used for clamping and positioning the steel pipes together and driving the steel pipes to integrally rotate after positioning, and the supporting assemblies drive the steel pipes to adjust the vertical positions by lifting the heights of the positioning assemblies;
the two material supplementing assemblies are arranged corresponding to the two supporting assemblies so as to supplement the coating;
The inner spraying assembly is detachably arranged between the two positioning assemblies, when the inner spraying assembly is combined with any one of the positioning assemblies, the inner spraying assembly is connected with the material supplementing assembly to supplement the paint in the inner spraying assembly, and when the inner spraying assembly is separated from the positioning assemblies, the inner spraying assembly is separated from the material supplementing assembly and moves to the other end to coat the inner wall of the steel pipe;
The steel pipe is placed between the two positioning assemblies by a worker, the steel pipe is clamped and positioned through the two positioning assemblies, then the supporting assembly is started, the supporting assembly drives the steel pipe to move upwards to be separated from the support of the base, and the steel pipe is driven to rotate through the positioning assemblies at the moment, so that the steel pipe rotates;
After the steel pipe is clamped and positioned, the inner spraying assembly is positioned in the steel pipe, when the steel pipe starts to rotate, the inner spraying assembly is started to linearly move in the steel pipe and is matched with the rotation of the steel pipe, so that the inner spraying assembly presents a spiral moving track relative to the inner wall of the steel pipe, the inner spraying assembly is used for spraying the inner wall of the steel pipe, the coating is sprayed on the inner wall of the steel pipe along with the spiral track of the inner spraying assembly, workers do not need to enter the steel pipe to spray, and convenience in coating the inner wall of the slender steel pipe is improved;
The inner spraying assembly is moved to the other end of the steel pipe by one end of the steel pipe and then is used for spraying the inner wall of the steel pipe, at the moment, the inner spraying assembly is combined with the positioning assembly at one end, and at the moment, the material supplementing assembly supplements the interior of the inner spraying assembly, so that the inner spraying assembly can be used for completing spraying of one steel pipe after moving once and automatically supplementing materials after the spraying is completed, and the efficiency of spraying the steel pipe is improved.
Preferably, the inner spray assembly comprises:
the coating barrel is used for containing coating required by coating;
The bottom of the support frame slides on the inner wall of the steel pipe through universal wheels;
the balancing weight is fixed at the bottom of the supporting frame and used for keeping the standing state of the supporting frame through gravity;
the movable driving assembly is arranged on the supporting frame and used for driving the supporting frame to move in the steel pipe;
the two spray heads are respectively arranged at two ends of the coating cylinder through rotating assemblies, the spray heads and the vertical surface are in an inclined state, and the spray heads are communicated with the inside of the coating cylinder through pumping assemblies;
the two communicating components are respectively arranged at two ends of the coating cylinder and are used for communicating the material supplementing component with the coating cylinder for feeding when the coating cylinder is combined with any one of the positioning components;
the inside of the coating cylinder is provided with coating for spraying, the support frame is connected through a connecting rod, the movable driving component drives the support frame to move, so that the support frame moves along a straight line, the support frame rotates in the moving process, the support frame always keeps an upright state under the gravity action of the balancing weight, so that the support frame and the steel pipe have relative circular motion, the support frame does the circular motion on the inner wall of the steel pipe through a universal wheel, and meanwhile, the circular motion and the straight line motion of the support frame simultaneously occur, so that after the two motions are combined, the support frame moves spirally relative to the steel pipe, and the support frame drives the coating cylinder to do spiral movement on the inner wall of the steel pipe;
the communicating components at the two ends of the coating cylinder are communicated with the material supplementing component when the coating cylinder is combined with the positioning component, so that the interior of the coating cylinder is supplemented with paint, the coating cylinder is automatically aligned to supplement paint after moving to the end part, and the coating efficiency of the steel pipe is improved;
the coating inside the coating cylinder is conveyed to the spray head through the pumping assembly and sprayed out by the spray head, when the coating cylinder moves towards one end of the steel pipe, the spray head facing the other end of the steel pipe on the coating cylinder is opened, so that the spray head coats the inner wall of the steel pipe after the coating cylinder moves and passes through in the moving process of the coating cylinder, and the condition that the coating quality is affected due to the fact that the coating is damaged when the coating cylinder moves and passes through the inner wall of the steel pipe after the coating cylinder is avoided.
Preferably, the communication assembly includes:
An inner cylinder penetrating and fixed in the coating cylinder, wherein the inner part of the inner cylinder is provided with two communicating cavities;
the two pistons are respectively and slidably arranged in the two communicating cavities, and the two pistons are respectively and fixedly connected with the inner walls of the two communicating cavities through springs;
The two groups of openings are respectively arranged on the inner walls of the two communicating cavities in a penetrating way in a circumferential array, and when the spring is in a natural state, the openings and the piston are in a blocking state;
When the plug tube is inserted into the inner cylinder, the plug tube pushes the piston to move, so that the spring is compressed, the piston moves towards the middle part of the inner cylinder, the piston moves to expose the opening, the opening is exposed and opened, and at the moment, the paint can enter the interior of the coating cylinder from the opening;
When the plug tube is separated from the inner cylinder, the piston is reset under the pushing action of the elastic force of the spring, so that the opening is plugged, the paint cannot flow out after entering the interior of the coating cylinder, and the purpose that the paint is automatically fed through the feeding component when one end of the coating cylinder is moved to be combined with the positioning component is achieved.
Preferably, the plating device further comprises a first infrared detector and a second infrared detector which are respectively fixed at two ends of the plating barrel;
The first infrared detector can detect the distance between the inner wall of the steel pipe and the first infrared detector, the second infrared detector can detect the distance between the inner wall of the steel pipe and the second infrared detector, after the inner wall of the steel pipe is coated with the coating, a difference value exists between detection results of the first infrared detector and the second infrared detector, and the difference value is the thickness of the coating, so that the thickness of the coating can be detected in the process of coating the inner wall of the steel pipe, when the thickness of the coating is detected to be higher than a standard value, the support frame is controlled to move in an accelerating mode, so that the spraying amount to the same position is reduced, the thickness of the coating is reduced, otherwise, the thickness of the coating of the inner wall of the steel pipe is detected in real time, and the thickness standard of the coating of the inner wall of the steel pipe is facilitated.
Preferably, the positioning assembly comprises:
the lifting platform is supported by the supporting component to vertically move;
the clamping cylinder is rotatably arranged on the side wall of the lifting table, and the end part of the steel pipe is inserted into the clamping cylinder to finish positioning;
the rotation driving assembly is arranged on the side wall of the lifting table and used for driving the clamping cylinder to rotate;
The elevating platform can be installed rotation drive assembly and a clamping section of thick bamboo, rotates the rotation drive assembly drive clamping section of thick bamboo and rotates, and two inside of two clamping section of thick bamboo are inserted respectively at the both ends of steel pipe to realize the centre gripping location to the steel pipe, fix a position through frictional force between the inner wall of clamping section of thick bamboo and the outer wall of steel pipe, thereby drive the steel pipe and rotate when making the clamping section of thick bamboo rotate, with the drive steel pipe carries out self rotation.
Preferably, the method further comprises:
The two first electromagnets are respectively fixed on the inner walls of the opposite sides of the two clamping cylinders;
The second electromagnet is fixed at one end of the coating cylinder;
The third electromagnet is fixed at the other end of the coating cylinder;
When the coating cylinder moves to one end of the steel pipe, the first electromagnet of the end is controlled to be electrified and started, magnetic force is generated after the first electromagnet is electrified, and the first electromagnet is attracted with the corresponding second electromagnet or the corresponding third electromagnet in a different pole mode, so that the first electromagnet pulls the coating cylinder to be attached to the inner wall of the clamping cylinder through magnetic attraction, the coating cylinder after moving to the end is positioned, on one hand, the situation that the elastic force of the spring is counteracted through the magnetic attraction, the situation that the splicing pipe cannot be completely inserted into the inner cylinder under the interference of the spring is avoided, on the other hand, the coating cylinder is positioned through the magnetic attraction, the coating cylinder does not need to be supported through the supporting frame, and can be separated from the steel pipe to be combined with the clamping cylinder, the replacement of the steel pipe is facilitated, and the coating inside the coating cylinder is facilitated.
In a second aspect, there is provided a control method of a coating apparatus for steel pipe production, the top of the base being provided with a controller, the control method comprising the steps of:
the controller receives first distance information L 1 detected by the first infrared detector;
The controller receives second distance information L 2 detected by the second infrared detector;
The controller substitutes the first distance information L 1 and the second distance information L 2 into |l 1- L2 |=t to generate coating thickness information T;
The controller substitutes the thickness information T into a calculation formula T-T 0, if the calculation result is larger than a, acceleration control information is generated, if the calculation result is smaller than-a, deceleration control information is generated, the acceleration control information is used for controlling the mobile driving assembly to start acceleration driving, and the deceleration control information is used for controlling the mobile driving assembly to start deceleration driving;
the controller sends the acceleration control information to the mobile driving assembly to control the mobile driving assembly to start acceleration driving;
the controller sends the deceleration control information to the mobile driving assembly to control the mobile driving assembly to start deceleration driving;
Wherein, T 0 is the input coating thickness, and a is the coating thickness difference;
In the moving process of the coating cylinder, taking the moving of the coating cylinder to the first infrared detector as an example, at this moment, the first infrared detector detects the distance between itself and the inner wall of the steel pipe, the first distance information L 1 is detected, at this moment, the first distance information L 1 is the distance information before the inner wall of the steel pipe is not coated, the second infrared detector detects the distance between itself and the inner wall of the steel pipe, the second distance information L 2 is detected, at this moment, the second distance information L 2 is the distance information after the inner wall of the steel pipe is coated, the controller substitutes the first distance information L 1 and the second distance information L 2 into |L 1- L2 |=T to obtain coating thickness information T, so as to measure the coating thickness information T in the coating process, then the controller substitutes the thickness information T into the calculated T-T 0, at this point, T 0 is input information, inputting by a worker according to the coating thickness required for coating, when the calculated result is larger than a, the coating thickness after coating is excessively thick and the difference is larger than the acceptable difference, the thickness is required to be reduced, the a is also input information, the acceptable coating thickness difference is input by the worker according to the requirement, at the moment, the controller generates acceleration control information and sends the acceleration control information to the mobile driving assembly to control the mobile driving assembly to start acceleration driving, when the calculated result is smaller than a, the coating thickness after coating is excessively thin and the difference is larger than the acceptable difference, the thickness is required to be increased, at the moment, the controller generates deceleration control information and sends the deceleration control information to the mobile driving assembly to control the mobile driving assembly to start deceleration driving, when the calculated result is smaller than or equal to a and larger than-a, the coating thickness value is within an acceptable range, and adjustment is not needed, so that the controller does not send out a command any more, and the movable driving assembly keeps the original speed to drive the supporting frame.
Preferably, be fixed with the granularity detector on the outer wall of a coating section of thick bamboo, warning light is installed at the top of base, still includes:
the controller receives the granularity information detected by the granularity detector;
The controller compares the granularity information with standard value information, generates warning information if the granularity information is larger than the standard value information, generates safety information if the granularity information is smaller than or equal to the standard value information, and is used for controlling the warning lamp to emit red light warning, and the safety information is used for controlling the warning lamp to emit green light warning;
the controller sends the warning information to the warning lamp so as to control the warning lamp to send out red light warning;
The controller sends the safety information to the warning lamp so as to control the warning lamp to send out green light prompt;
The granularity detector detects the granularity information inside the steel pipe, and send the detection result to the controller, the controller compares the granularity information with standard value information after receiving the granularity information, the standard value information at this place is input information, set for as required by the staff, when the granularity information is greater than standard value information, then indicate that the inside spun raw materials of steel pipe is not subsided completely, still float in the inside of steel pipe, at this moment, the controller generates warning information, and send warning information to the warning light, with control warning light sends red light warning, when granularity information is less than or equal to standard value, then the inside spun raw materials of explanation steel pipe subsides, the controller generates safety information this moment, and send safety information to the warning light, with control warning light sends the green light suggestion, the suggestion staff can break away from the steel pipe and accomplish whole coating process.
Preferably, the inner walls of the two clamping cylinders are respectively fixed with a pressure sensor, and the two pressure sensors respectively correspond to the two first electromagnets, and the device further comprises:
the controller receives pressure information generated by the pressure sensor when pressurized;
The controller generates starting control information according to the pressure information, and the starting control information is used for controlling the first electromagnet to be electrified and started;
The controller sends the starting control information to the first electromagnet corresponding to the pressure sensor so as to control the first electromagnet to be electrified and started;
When the coating cylinder moves to the end part of the steel pipe, the coating cylinder extrudes the clamping cylinder, so that the pressure sensor generates pressure information after being pressed, the pressure sensor sends the pressure information to the controller, the controller receives the pressure information and then generates starting control information according to the pressure information, and then the controller sends the starting control information to the first electromagnet corresponding to the pressure sensor so as to control the first electromagnet to be electrified and started.
Compared with the prior art, the invention has the following beneficial effects:
1. According to the invention, through the arrangement of the inner spraying assembly, the coating is sprayed on the inner wall of the steel pipe along with the spiral track of the inner spraying assembly, and workers do not need to enter the steel pipe to spray, so that convenience in coating the inner wall of the slender steel pipe is improved.
2. According to the invention, through the arrangement of the communication assembly, when the coating cylinder moves to one end to be combined with the positioning assembly, the coating is automatically supplemented by the supplementing assembly.
3. According to the invention, through the arrangement of the first infrared detector and the second infrared detector, the thickness of the coating can be detected in the process of coating the inner wall of the steel pipe, and when the thickness of the coating is detected to be higher than the standard value, the support frame is controlled to move in an accelerating way so as to reduce the spraying amount on the same position, thereby reducing the thickness of the coating, and vice versa, the thickness of the coating on the inner wall of the steel pipe is detected in real time, and the thickness standard of the coating on the inner wall of the steel pipe is facilitated.
Drawings
FIG. 1 is a schematic flow chart of the method of the present invention.
Fig. 2 is a schematic diagram of the overall structure of the device of the present invention.
Fig. 3 is a schematic view of the whole cross section of the device of the present invention.
Fig. 4 is an enlarged schematic view of the structure of fig. 3a according to the present invention.
Fig. 5 is a schematic structural view of the case of the present invention after being sectioned.
Fig. 6 is an enlarged schematic view of the structure of fig. 5B according to the present invention.
Fig. 7 is a schematic view of the connection structure of the plating barrel of the present invention.
FIG. 8 is a schematic view of the structure of the plating barrel of the present invention after being sectioned.
Fig. 9 is an enlarged schematic view of the structure of fig. 8C according to the present invention.
In the figure: 1. a base; 2. a first bracket; 201. a pushing cylinder; 3. a lifting table; 4. a clamping cylinder; 401. a first gear; 402. a second gear; 403. a first motor; 5. a feed pipe; 501. a connecting pipe is inserted; 502. a valve; 503. a discharge port; 6. a plating barrel; 601. a connecting rod; 7. a support frame; 701. a universal wheel; 702. balancing weight; 8. a driving roller; 801. a second motor; 802. a gear set; 9. an inner cylinder; 10. a piston; 1001. a spring; 11. an opening; 12. a pump; 1201. a connecting pipe; 13. a spray head; 1301. a second bracket; 14. a case; 1401. a fixed block; 1402. a micro cylinder; 15. a conveyor belt; 1501. a driving roller; 1502. a third motor; 16. a first infrared detector; 17. a second infrared detector; 18. a first electromagnet; 19. a second electromagnet; 20. a third electromagnet; 21. an electric push rod.
Detailed Description
The following description is presented to enable one of ordinary skill in the art to make and use the invention. The preferred embodiments in the following description are by way of example only and other obvious variations will occur to those skilled in the art.
The coating device for steel pipe production as shown in fig. 2 to 9 comprises a base 1, and further comprises:
the two support components are symmetrically arranged on the base 1;
The two positioning assemblies are correspondingly arranged with the two supporting assemblies and are used for clamping and positioning the steel pipes together and driving the steel pipes to integrally rotate after positioning, and the supporting assemblies drive the steel pipes to adjust the vertical positions by lifting the heights of the positioning assemblies;
The two material supplementing assemblies are arranged corresponding to the two supporting assemblies so as to supplement the coating;
The inner spraying assembly is detachably arranged between the two positioning assemblies, when the inner spraying assembly is combined with any one positioning assembly, the inner spraying assembly is connected with the material supplementing assembly to supplement the paint in the inner spraying assembly, and when the inner spraying assembly is separated from the positioning assembly, the inner spraying assembly is separated from the material supplementing assembly and moves to the other end to coat the inner wall of the steel pipe;
In the prior art, when a steel pipe is coated by using a spraying mode, spraying paint onto the surface of the steel pipe in an atomization mode, and then solidifying to form a film, wherein if the whole steel pipe to be coated is of a slender shape, workers cannot directly enter the interior of the steel pipe to align with the inner wall for coating treatment, and the coating effect on the inner wall of the steel pipe is difficult to control, so that the coating quality of the steel pipe is affected;
The embodiment of the invention can solve the problems, and the concrete implementation mode is that a worker places the steel pipe between two positioning components, clamps and positions the steel pipe through the two positioning components, then starts a supporting component, and drives the steel pipe to move upwards to be separated from the support of the base 1, and at the moment, the positioning component drives the steel pipe to rotate, so that the steel pipe rotates;
After the steel pipe is clamped and positioned, the inner spraying assembly is positioned in the steel pipe, when the steel pipe starts to rotate, the inner spraying assembly is started to linearly move in the steel pipe and is matched with the rotation of the steel pipe, so that the inner spraying assembly presents a spiral moving track relative to the inner wall of the steel pipe, the inner spraying assembly is used for spraying the inner wall of the steel pipe, the coating is sprayed on the inner wall of the steel pipe along with the spiral track of the inner spraying assembly, workers do not need to enter the steel pipe to spray, and convenience in coating the inner wall of the slender steel pipe is improved;
The inner spraying assembly is moved to the other end of the steel pipe by one end of the steel pipe and then is used for spraying the inner wall of the steel pipe, at the moment, the inner spraying assembly is combined with the positioning assembly at one end, and at the moment, the material supplementing assembly supplements the interior of the inner spraying assembly, so that the inner spraying assembly can be used for completing spraying of one steel pipe after moving once and automatically supplementing materials after the spraying is completed, and the efficiency of spraying the steel pipe is improved.
As an alternative embodiment, the support assembly includes:
The first bracket 2 is slidably arranged on the top of the base 1;
The pushing cylinder 201 is fixed in the base 1, and the top of a telescopic rod of the pushing cylinder 201 is fixedly connected with the bottom of the lifting table 3;
after the push cylinder 201 is started, the lifting platform 3 can be pushed to move through the end part of the telescopic rod, so that the vertical height of the lifting platform 3 is adjusted, and the lifting platform 3 is moved to a required height for operation.
As an alternative embodiment, the inner spray assembly comprises:
A coating drum 6 for containing a coating material required for coating;
The support frame 7 is fixed at the bottom of the coating cylinder 6 through a connecting rod 601, and the bottom of the support frame 7 slides on the inner wall of the steel pipe through a universal wheel 701;
a weight 702 fixed to the bottom of the support frame 7 for maintaining the upright state of the support frame 7 by gravity;
The movable driving assembly is arranged on the supporting frame 7 and used for driving the supporting frame 7 to move in the steel pipe;
The two spray heads 13 are respectively arranged at two ends of the coating cylinder 6 through rotating components, the spray heads 13 and the vertical surfaces are in an inclined state, and the spray heads 13 are communicated with the inside of the coating cylinder 6 through pumping components;
the two communicating components are respectively arranged at two ends of the coating cylinder 6 and are used for communicating the material supplementing component and the coating cylinder 6 for feeding when the coating cylinder 6 is combined with any one of the positioning components;
The inside of the coating cylinder 6 is provided with coating materials for spraying, the support frame 7 is connected through the connecting rod 601, the movable driving component drives the support frame 7 to move, so that the support frame 7 moves along a straight line, the support frame 7 rotates in the moving process, the support frame 7 always keeps an upright state under the gravity action of the balancing weight 702, so that the support frame 7 and the steel pipe have opposite circular motion, the support frame 7 performs the circular motion on the inner wall of the steel pipe through the universal wheel 701, and meanwhile, the circular motion and the straight line motion of the support frame 7 occur simultaneously, so that after the two motions are combined, the support frame 7 moves spirally relative to the steel pipe, and the support frame 7 drives the coating cylinder 6 to move spirally on the inner wall of the steel pipe;
The communicating components at the two ends of the coating cylinder 6 are communicated with the material supplementing component when the coating cylinder 6 is combined with the positioning component, so that the interior of the coating cylinder 6 is supplemented with the coating, the coating is automatically aligned to be supplemented after the coating cylinder 6 moves to the end part, and the coating efficiency of the steel pipe is improved;
The paint in the coating cylinder 6 is conveyed to the spray head 13 through the pumping assembly and sprayed out by the spray head 13, when the coating cylinder 6 moves towards one end of the steel pipe, the spray head 13 on the coating cylinder 6 towards the other end of the steel pipe is opened, so that the spray head 13 coats the inner wall of the steel pipe after the coating cylinder 6 moves through in the moving process of the coating cylinder 6, and the condition that the coating quality is affected due to the fact that the coating is damaged when the coating cylinder 6 moves through the inner wall of the steel pipe after the coating is favorably avoided;
the spray nozzle 13 is obliquely arranged with the vertical surface, so that the paint sprayed by the spray nozzle 13 is not vertically sprayed on the inner wall of the steel pipe, but sprayed on the inner wall of the steel pipe at an oblique angle, and the oblique angle of the spray nozzle 13 is opposite to the rotation direction of the steel pipe, so that the paint sprayed along the spray nozzle 13 flows towards the part of the steel pipe which is not coated after being adhered to the inside of the steel pipe if flowing, and the condition that liquid mark is left on the surface of the coated part is not caused by flowing towards the coated part, thereby being beneficial to improving the surface smoothness of the coating of the inner wall of the steel pipe.
As an alternative embodiment, the movement driving assembly includes:
The driving roller 8 is rotatably arranged in a groove formed in the supporting frame 7, and the side wall of the driving roller 8 is in friction contact with the inner wall of the steel pipe;
the second motor 801 is fixed on the top of the support frame 7, and an output shaft of the second motor 801 drives the driving roller 8 to rotate through a gear set 802;
The second motor 801 is started and then drives the gear set 802 to rotate through the output shaft, the gear set 802 drives the driving roller 8 to rotate, and the driving roller 8 rolls on the inner wall of the steel pipe after rotating, so that the supporting frame 7 is driven to move on the inner wall of the steel pipe.
As an alternative embodiment, the pumping assembly comprises a pump 12 fixed inside the coating cylinder 6, the output communicating with the corresponding spray head 13 through a connecting pipe 1201;
The pump 12 and the spray head 13 are simultaneously turned on, and the pump 12 can convey the paint inside the coating drum 6 to the connecting pipe 1201 and convey the paint to the spray head 13 through the connecting pipe 1201 to spray, and when the spray head 13 is in an on state, the paint is sprayed by the spray head 13, so that the inner wall of the steel pipe is coated.
As an alternative embodiment, the rotating assembly includes:
the second bracket 1301 is fixed on the outer wall of the coating cylinder 6, and the spray head 13 is rotationally connected with the second bracket 1301 through a bottom base;
The torsion spring is sleeved on the base rotating shaft of the spray head 13, two ends of the torsion spring are fixedly connected with the base of the spray head 13 and the second bracket 1301 respectively, and when the torsion spring is in a natural state, the spray head 13 is inclined towards the end part of the plating barrel 6;
When the coating drum 6 is located the inside middle section of steel pipe, the both ends of coating drum 6 all do not contact with locating component, drive shower nozzle 13 upset under torsion spring's torsional force effect this moment for shower nozzle 13 is in the state of slope, thereby make shower nozzle 13 can spray to the region after coating drum 6 passes through, when coating drum 6 is located the tip of steel pipe, coating drum 6 contacts with locating component gradually, shower nozzle 13 receives the holistic hindrance of locating component this moment, thereby make shower nozzle 13 pushed the upset, make shower nozzle 13 can overturn and give way, thereby be favorable to avoiding causing the interference to the combination of coating drum 6 and locating component.
As an alternative embodiment, the communication assembly includes:
An inner cylinder 9 penetrating and fixed in the coating cylinder 6, wherein the inner part of the inner cylinder 9 is provided with two communicating cavities;
the two pistons 10 are respectively and slidably arranged in the two communicating cavities, and the two pistons 10 are respectively and fixedly connected with the inner walls of the two communicating cavities through springs 1001;
Two groups of openings 11 are respectively arranged on the inner walls of the two communicating cavities in a penetrating way in a circumferential array, and when the spring 1001 is in a natural state, the openings 11 and the piston 10 are in a blocking state;
When the plug tube 501 is inserted into the inner cylinder 9, the plug tube 501 pushes the piston 10 to move, so that the spring 1001 is compressed, the piston 10 moves towards the middle part of the inner cylinder 9, the piston 10 moves to expose the opening 11, the opening 11 is exposed and opened, and at the moment, paint can enter the inner part of the coating cylinder 6 through the opening 11;
when the plug pipe 501 is separated from the inner cylinder 9, the piston 10 is reset under the pushing action of the elastic force of the spring 1001, so that the opening 11 is plugged, the paint cannot flow out after entering the interior of the coating cylinder 6, and the purpose that the paint is automatically fed through the feeding component when one end of the coating cylinder 6 is moved to be combined with the positioning component is achieved.
As an alternative embodiment, the feed assembly comprises:
the feeding pipe 5 is movably inserted into the clamping cylinder 4, one end of the feeding pipe 5 is connected with an externally connected paint box, and paint is conveyed into the feeding pipe 5 by pumping in the paint box;
The plug pipe 501 is fixed at the other end of the feed pipe 5, a valve 502 is arranged in the plug pipe 501, and a discharge hole 503 for raw materials to pass through is formed in the end part of the plug pipe 501;
The external paint box is connected to one end of inlet pipe 5, paint box inside holds a large amount of coating, carry to the inside of inlet pipe 5 through the mode of pumping, this is here for prior art and does not need to describe again, after the coating enters into inlet pipe 5, when coating barrel 6 merges with locating component, the inside of inner tube 9 is inserted to grafting pipe 501, grafting pipe 501 promotes the piston 10 and removes, thereby make spring 1001 compress, piston 10 moves to the middle part of inner tube 9, make piston 10 remove and expose opening 11, open valve 502 at this moment, the coating passes grafting pipe 501 from the inside of inlet pipe 5, valve 502, discharge gate 503 and opening 11 enter into the inside of coating barrel 6, when coating barrel 6 kept away from locating component, grafting pipe 501 breaks away from inner tube 9, piston 10 resets under the elastic force promotion effect of spring 1001, thereby carry out the shutoff to opening 11, make the coating can not flow out after entering the inside of coating barrel 6, thereby realize when coating barrel 6 removes one end and locating component and merges, carry out the automatic material of replenishing of coating through the material component.
As an alternative embodiment, the coating barrel further comprises a first infrared detector 16 and a second infrared detector 17 which are respectively fixed at two ends of the coating barrel 6;
The first infrared detector 16 can detect the distance between the inner wall of the steel pipe and the first infrared detector 17 can detect the distance between the inner wall of the steel pipe and the second infrared detector 17, after the inner wall of the steel pipe is coated with the coating, the difference value exists between the detection results of the first infrared detector 16 and the second infrared detector 17, and the difference value is the thickness of the coating, so that the thickness of the coating can be detected in the process of coating the inner wall of the steel pipe, when the thickness of the coating is detected to be higher than the standard value, the support frame 7 is controlled to move in an accelerating manner so as to reduce the spraying amount to the same position, thereby reducing the thickness of the coating, and vice versa, so that the thickness of the coating on the inner wall of the steel pipe is detected in real time, and the thickness standard of the coating on the inner wall of the steel pipe is facilitated.
As an alternative embodiment, the positioning assembly comprises:
A lifting table 3 which is supported by the support assembly to vertically move;
the clamping cylinder 4 is rotatably arranged on the side wall of the lifting table 3, and the end part of the steel pipe is inserted into the clamping cylinder 4 to finish positioning;
The rotation driving component is arranged on the side wall of the lifting platform 3 and is used for driving the clamping cylinder 4 to rotate;
The elevating platform 3 can install rotation drive assembly and a clamping cylinder 4, rotates drive assembly drive clamping cylinder 4 and rotates, and two ends of steel pipe insert the inside of two clamping cylinders 4 respectively to realize the centre gripping location to the steel pipe, fix a position through frictional force between the inner wall of clamping cylinder 4 and the outer wall of steel pipe, thereby drive the steel pipe and rotate when making clamping cylinder 4 rotate, with the drive steel pipe carries out self rotation.
As an alternative embodiment, the rotary drive assembly includes:
A first motor 403 fixed on the side wall of the lifting platform 3, and a second gear 402 fixed on the output shaft of the first motor 403;
the first gear 401 is fixed on the outer wall of the rotating shaft of the clamping cylinder 4, and the first gear 401 is meshed with the second gear 402;
when the first motor 403 is started, the second gear 402 is driven to rotate by the output shaft, the second gear 402 drives the first gear 401 meshed with the second gear 402 to rotate, and the first gear 401 drives the clamping cylinder 4 to rotate, so that the clamping cylinder 4 is driven to rotate to drive the steel pipe to rotate.
As an alternative embodiment, further comprising:
two first electromagnets 18 respectively fixed on the inner walls of the opposite sides of the two clamping cylinders 4;
A second electromagnet 19 fixed to one end of the plating barrel 6;
A third electromagnet 20 fixed to the other end of the plating barrel 6;
when the coating cylinder 6 moves to one end of the steel pipe, the first electromagnet 18 controlling the end is electrified and started, magnetic force is generated after the first electromagnet 18 is electrified, and the first electromagnet 18 and the corresponding second electromagnet 19 or third electromagnet 20 are attracted in opposite poles, so that the first electromagnet 18 pulls the coating cylinder 6 to be attached to the inner wall of the clamping cylinder 4 through magnetic attraction, and the coating cylinder 6 after moving to the end is positioned, on one hand, the elastic force of the spring 1001 is counteracted through the magnetic attraction, the situation that the plug pipe 501 cannot be completely inserted into the inner cylinder 9 under the interference of the spring 1001 is avoided, on the other hand, the coating cylinder 6 is positioned through the magnetic attraction, the coating cylinder 6 is not supported through the supporting frame 7, and can be separated from the steel pipe and combined with the clamping cylinder 4, thereby facilitating the replacement of the steel pipe, and facilitating the paint supplement inside the coating cylinder 6.
As an alternative embodiment, further comprising:
The two groups of clamping driving assemblies are respectively arranged on the side walls of the two clamping cylinders 4 and are used for clamping and driving the steel pipes;
The two electric push rods 21 are symmetrically fixed at the bottom of the base 1, and the two electric push rods 21 respectively push the two support components to move through telescopic rods;
the clamping drive assembly includes:
two fixing blocks 1401 are symmetrically fixed on the side wall of the clamping cylinder 4;
Two cases 14 mounted to opposite sides of the two fixing blocks 1401 by pushing members, respectively;
The two conveying belts 15 are respectively arranged in the two box bodies 14 through transmission driving components, and the conveying belts 15 penetrate through the fixing block 1401 and the clamping cylinder 4 and then contact with the outer wall of the steel pipe;
When the steel pipe is inserted into the clamping cylinder 4, the pushing component is started, the pushing component pushes the box 14 to be far away from the clamping cylinder 4, so that the conveying belt 15 is driven to be far away from the clamping cylinder 4, the blocking of the clamping cylinder 4 on the insertion of the steel pipe is avoided, after the steel pipe is inserted, the pushing component drives the box 14 to reset, the conveying belt 15 is driven to reset after the box 14 resets, the conveying belt 15 clamps the outer wall of the steel pipe, the top of the steel pipe is facilitated, and the steel pipe is driven to rotate through clamping;
After the coating cylinder 6 moves to the end part of the steel pipe, the spray head 13 sprays the position of the coating cylinder 6 after moving through, so that the residual part of the end part of the steel pipe is not sprayed, at the moment, a transmission driving assembly is started, the transmission driving assembly drives a conveying belt 15 to drive, the conveying belt 15 pushes the steel pipe and a clamping cylinder 4 to move relatively, so that the steel pipe moves from the inside of the clamping cylinder 4 to the edge, the coating cylinder 6 moves relatively to the steel pipe again, at the moment, the spray head 13 continues to spray, and the residual part of the end part of the steel pipe is sprayed, so that the inner wall of the steel pipe is fully sprayed, and the efficiency of coating the inner wall of the steel pipe is improved;
When the conveying belt 15 pushes the steel pipe and the clamping cylinder 4 to move relatively, the other end of the steel pipe cannot move due to the clamping positioning of the other clamping cylinder 4, so that the electric push rod 21 at the corresponding end is started while the transmission driving assembly is started, the electric push rod 21 is reset and does not provide supporting force for the first bracket 2, and when the conveying belt 15 pushes the steel pipe and the clamping cylinder 4 to move relatively, the first bracket 2 integrally slides on the top of the base 1 to drive the clamping cylinder 4 to move and give way.
As an alternative embodiment, the transmission drive assembly comprises:
The two driving rollers 1501 are rotatably arranged in the box 14, and the conveyer belt 15 is sleeved outside the two driving rollers 1501 in a driving way;
A third motor 1502 fixed on the outer wall of the case 14 and driving one of the driving rollers 1501 to rotate through an output shaft;
The third motor 1502 is started to drive the driving roller 1501 connected with the third motor through the output shaft to rotate, the driving roller 1501 drives the conveyer belt 15 to drive after rotating, and the other driving roller 1501 rotates to support the drive of the conveyer belt 15, so that the conveyer belt 15 is driven to drive.
As an alternative embodiment, the pushing assembly comprises four micro-cylinders 1402, which are respectively fixed in mounting grooves formed in four corners of the bottom of the box 14, and the ends of telescopic rods of the micro-cylinders 1402 are fixedly connected with the top of the fixed block 1401;
After the micro cylinder 1402 is started, the fixing block 1401 is pushed through the telescopic end, so that the fixing block 1401 and the box body 14 relatively move, and the box body 14 is pushed upwards to be far away from the fixing block 1401 due to the fact that the fixing block 1401 and the clamping cylinder 4 are fixed and cannot be pushed, and accordingly the conveying belt 15 is driven to be far away from the inside of the clamping cylinder 4 to enable the insertion of the steel pipe to be abducted.
A control method of a coating device for steel pipe production as shown in fig. 1, the top of a base 1 is provided with a controller, the control method comprises the following steps:
The controller receives first distance information L 1 detected by the first infrared detector 16;
The controller receives second distance information L 2 detected by the second infrared detector 17;
The controller substitutes the first distance information L 1 and the second distance information L 2 into |l 1- L2 |=t to generate coating thickness information T;
The controller substitutes the thickness information T into a calculation formula T-T 0, if the calculation result is larger than a, acceleration control information is generated, if the calculation result is smaller than-a, deceleration control information is generated, the acceleration control information is used for controlling the mobile driving assembly to start acceleration driving, and the deceleration control information is used for controlling the mobile driving assembly to start deceleration driving;
the controller sends acceleration control information to the mobile driving assembly to control the mobile driving assembly to start acceleration driving;
The controller sends deceleration control information to the mobile driving assembly to control the mobile driving assembly to start deceleration driving;
wherein T 0 is the input coating thickness, and a is the coating thickness difference;
In the process of moving the coating drum 6, taking the movement of the coating drum 6 to the first infrared detector 16 as an example, at this time, the first infrared detector 16 detects the distance between itself and the inner wall of the steel pipe, detects the first distance information L 1, the first distance information L 1 at this time is the distance information before the inner wall of the steel pipe is not coated, the second infrared detector 17 detects the distance between itself and the inner wall of the steel pipe, detects the second distance information L 2, the second distance information L 2 at this time is the distance information after the inner wall of the steel pipe is coated, the controller substitutes the first distance information L 1 and the second distance information L 2 into |l 1- L2 |=t to obtain the coating thickness information T, thereby measuring the coating thickness information T in the coating process, then substitutes the thickness information T into the calculation formula T-T 0, T 0 at this point is input information, when the calculated result is smaller than a, the coated coating thickness is too thin and the difference value is larger than the acceptable difference value, the thickness is required to be increased, the controller generates deceleration control information and sends the deceleration control information to the mobile driving assembly to control the mobile driving assembly to start deceleration driving, when the calculated result is smaller than or equal to a and larger than-a, the coating thickness value is within an acceptable range, and adjustment is not needed, so that the controller does not send out a command any more, and the moving driving assembly keeps the original speed to drive the supporting frame 7.
As an alternative embodiment, be fixed with the granularity detector on the outer wall of coating section of thick bamboo 6, the warning light is installed at the top of base 1, still includes:
The controller receives the granularity information detected by the granularity detector;
The controller compares the granularity information with the standard value information, generates warning information if the granularity information is larger than the standard value information, generates safety information if the granularity information is smaller than or equal to the standard value information, and the warning information is used for controlling the warning lamp to emit red light warning, and the safety information is used for controlling the warning lamp to emit green light warning;
the controller sends the warning information to the warning lamp so as to control the warning lamp to send out red light warning;
the controller sends the safety information to the warning lamp so as to control the warning lamp to send out green light prompt;
The granularity detector detects the granularity information inside the steel pipe, and send the detection result to the controller, the controller compares the granularity information with standard value information after receiving the granularity information, the standard value information at this place is input information, set for as required by the staff, when the granularity information is greater than standard value information, then indicate that the inside spun raw materials of steel pipe is not subsided completely, still float in the inside of steel pipe, at this moment, the controller generates warning information, and send warning information to the warning light, with control warning light sends red light warning, when granularity information is less than or equal to standard value, then the inside spun raw materials of explanation steel pipe subsides, the controller generates safety information this moment, and send safety information to the warning light, with control warning light sends the green light suggestion, the suggestion staff can break away from the steel pipe and accomplish whole coating process.
As an alternative embodiment, pressure sensors are fixed on the inner walls of the two clamping cylinders 4, and the two pressure sensors respectively correspond to the two first electromagnets 18, and further include:
the controller receives pressure information generated by the pressure sensor when pressed;
The controller generates starting control information according to the pressure information, wherein the starting control information is used for controlling the first electromagnet 18 to be electrified and started;
The controller sends starting control information to the first electromagnet 18 corresponding to the pressure sensor so as to control the first electromagnet 18 to be electrified and started;
When the coating cylinder 6 moves to the end of the steel pipe, the coating cylinder 6 presses the clamping cylinder 4, so that the pressure sensor generates pressure information after being pressed, the pressure sensor sends the pressure information to the controller, the controller receives the pressure information and generates starting control information according to the pressure information, and then the controller sends the starting control information to the first electromagnet 18 corresponding to the pressure sensor to control the first electromagnet 18 to be electrified and started.
The working principle of the invention is as follows: the steel pipe is placed between the two positioning assemblies by a worker, the steel pipe is clamped and positioned through the two positioning assemblies, then the supporting assembly is started, the supporting assembly drives the steel pipe to move upwards to be separated from the support of the base 1, and at the moment, the steel pipe is driven to rotate through the positioning assemblies, so that the steel pipe rotates;
After the steel pipe is clamped and positioned, the inner spraying assembly is positioned in the steel pipe, when the steel pipe starts to rotate, the inner spraying assembly is started to linearly move in the steel pipe and is matched with the rotation of the steel pipe, so that the inner spraying assembly presents a spiral moving track relative to the inner wall of the steel pipe, the inner spraying assembly is used for spraying the inner wall of the steel pipe, the coating is sprayed on the inner wall of the steel pipe along with the spiral track of the inner spraying assembly, workers do not need to enter the steel pipe to spray, and convenience in coating the inner wall of the slender steel pipe is improved;
The inner spraying assembly is moved to the other end of the steel pipe by one end of the steel pipe and then is used for spraying the inner wall of the steel pipe, at the moment, the inner spraying assembly is combined with the positioning assembly at one end, and at the moment, the material supplementing assembly supplements the interior of the inner spraying assembly, so that the inner spraying assembly can be used for completing spraying of one steel pipe after moving once and automatically supplementing materials after the spraying is completed, and the efficiency of spraying the steel pipe is improved.
The foregoing has shown and described the basic principles, principal features and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, and that the above embodiments and descriptions are merely illustrative of the principles of the present invention, and various changes and modifications may be made therein without departing from the spirit and scope of the invention, which is defined by the appended claims.
Claims (6)
1. The utility model provides a steel pipe production is with scribbling device, includes base (1), its characterized in that still includes:
the two support components are symmetrically arranged on the base (1);
the two positioning assemblies are correspondingly arranged with the two supporting assemblies and are used for clamping and positioning the steel pipes together and driving the steel pipes to integrally rotate after positioning, and the supporting assemblies drive the steel pipes to adjust the vertical positions by lifting the heights of the positioning assemblies;
the two material supplementing assemblies are arranged corresponding to the two supporting assemblies so as to supplement the coating;
The inner spraying assembly is detachably arranged between the two positioning assemblies, when the inner spraying assembly is combined with any one of the positioning assemblies, the inner spraying assembly is connected with the material supplementing assembly to supplement the paint in the inner spraying assembly, and when the inner spraying assembly is separated from the positioning assemblies, the inner spraying assembly is separated from the material supplementing assembly and moves to the other end to coat the inner wall of the steel pipe;
the inner spray assembly includes:
a coating drum (6) for containing a coating material required for coating;
the support frame (7) is fixed at the bottom of the coating cylinder (6) through a connecting rod (601), and the bottom of the support frame (7) slides on the inner wall of the steel pipe through a universal wheel (701);
The balancing weight (702) is fixed at the bottom of the supporting frame (7) and is used for keeping the standing state of the supporting frame (7) through gravity;
the movable driving assembly is arranged on the supporting frame (7) and is used for driving the supporting frame (7) to move in the steel pipe;
The two spray heads (13) are respectively arranged at two ends of the coating cylinder (6) through rotating assemblies, the spray heads (13) and the vertical surfaces are in an inclined state, and the spray heads (13) are communicated with the inside of the coating cylinder (6) through pumping assemblies;
The two communicating components are respectively arranged at two ends of the coating cylinder (6) and are used for communicating the material supplementing component with the coating cylinder (6) for feeding when the coating cylinder (6) is combined with any one of the positioning components;
the communication assembly includes:
An inner cylinder (9) penetrating and fixed inside the coating cylinder (6), wherein the inner part of the inner cylinder (9) is divided into two communicating cavities;
The two pistons (10) are respectively and slidably arranged in the two communicating cavities, and the two pistons (10) are respectively and fixedly connected with the inner walls of the two communicating cavities through springs (1001);
Two groups of openings (11) are respectively arranged on the inner walls of the two communicating cavities in a penetrating way in a circumferential array, and when the spring (1001) is in a natural state, the openings (11) and the piston (10) are in a blocking state;
the positioning assembly includes:
A lifting table (3) which is supported by the support assembly to vertically move;
The clamping cylinder (4) is rotatably arranged on the side wall of the lifting table (3), and the end part of the steel pipe is inserted into the clamping cylinder (4) to finish positioning;
The rotation driving assembly is arranged on the side wall of the lifting table (3) and is used for driving the clamping cylinder (4) to rotate and further comprises:
The two groups of clamping driving assemblies are respectively arranged on the side walls of the two clamping cylinders (4) and are used for clamping and driving the steel pipes;
The two electric push rods (21) are symmetrically fixed at the bottom of the base (1), and the two electric push rods (21) respectively push the two supporting components to move through telescopic rods;
the clamping drive assembly includes:
Two fixing blocks (1401) are symmetrically fixed on the side wall of the clamping cylinder (4);
Two boxes (14) are respectively arranged on the opposite sides of the two fixed blocks (1401) through pushing components;
The two conveying belts (15) are respectively arranged in the two box bodies (14) through transmission driving assemblies, and the conveying belts (15) penetrate through the fixing blocks (1401) and the clamping cylinders (4) and then contact with the outer wall of the steel pipe.
2. A coating device for steel pipe production according to claim 1, further comprising a first infrared detector (16) and a second infrared detector (17) respectively fixed to both ends of the coating drum (6).
3. A coating apparatus for steel pipe production according to claim 2, further comprising:
two first electromagnets (18) respectively fixed on the inner walls of the opposite sides of the two clamping cylinders (4);
A second electromagnet (19) fixed at one end of the coating cylinder (6);
and a third electromagnet (20) fixed at the other end of the coating cylinder (6).
4. A control method of a coating device for steel pipe production, which is applicable to a coating device for steel pipe production as claimed in claim 3, characterized in that the top of the base (1) is provided with a controller, the control method comprising the steps of:
the controller receives first distance information L 1 detected by the first infrared detector (16);
The controller receives second distance information L 2 detected by the second infrared detector (17);
The controller substitutes the first distance information L 1 and the second distance information L 2 into |l 1- L2 |=t to generate coating thickness information T;
The controller substitutes the thickness information T into a calculation formula T-T 0, if the calculation result is larger than a, acceleration control information is generated, if the calculation result is smaller than-a, deceleration control information is generated, the acceleration control information is used for controlling the mobile driving assembly to start acceleration driving, and the deceleration control information is used for controlling the mobile driving assembly to start deceleration driving;
the controller sends the acceleration control information to the mobile driving assembly to control the mobile driving assembly to start acceleration driving;
The controller sends the deceleration control information to the mobile driving assembly to control the mobile driving assembly to start deceleration driving.
5. The control method of a coating device for steel pipe production according to claim 4, wherein a granularity detector is fixed on the outer wall of the coating drum (6), and a warning lamp is installed at the top of the base (1), and the control method further comprises:
the controller receives the granularity information detected by the granularity detector;
The controller compares the granularity information with standard value information, generates warning information if the granularity information is larger than the standard value information, generates safety information if the granularity information is smaller than or equal to the standard value information, and is used for controlling the warning lamp to emit red light warning, and the safety information is used for controlling the warning lamp to emit green light warning;
the controller sends the warning information to the warning lamp so as to control the warning lamp to send out red light warning;
the controller sends the safety information to the warning lamp so as to control the warning lamp to send out green light prompt.
6. The control method of a coating device for steel pipe production according to claim 4, characterized in that pressure sensors are fixed on the inner walls of both the holding cylinders (4), and both the pressure sensors correspond to both the first electromagnets (18), respectively, further comprising:
the controller receives pressure information generated by the pressure sensor when pressurized;
The controller generates starting control information according to the pressure information, wherein the starting control information is used for controlling the first electromagnet (18) to be electrified and started;
The controller sends the starting control information to the first electromagnet (18) corresponding to the pressure sensor so as to control the first electromagnet (18) to be electrified and started.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202410598604.4A CN118179809B (en) | 2024-05-15 | 2024-05-15 | Coating device for steel pipe production and control method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202410598604.4A CN118179809B (en) | 2024-05-15 | 2024-05-15 | Coating device for steel pipe production and control method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN118179809A CN118179809A (en) | 2024-06-14 |
| CN118179809B true CN118179809B (en) | 2024-07-16 |
Family
ID=91404412
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202410598604.4A Active CN118179809B (en) | 2024-05-15 | 2024-05-15 | Coating device for steel pipe production and control method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN118179809B (en) |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106639283A (en) * | 2016-12-23 | 2017-05-10 | 中国水利水电第三工程局有限公司 | Steel tube inner wall anticorrosion painting construction operation platform |
| CN111359813A (en) * | 2020-03-04 | 2020-07-03 | 优固得建筑装配科技有限公司 | Be used for anticorrosive spraying device of chimney inner wall and an inner wall gallows |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SI25597A (en) * | 2018-02-07 | 2019-08-30 | Brinox D.O.O. | Assembly of telescopically assembled pipes for moving dishwashing / drying nozzles in dishwashers |
| CN212468567U (en) * | 2020-04-08 | 2021-02-05 | 张家港市圣鼎源制管有限公司 | Control device applied to spraying of seamless steel pipe |
| CN112388956A (en) * | 2020-10-14 | 2021-02-23 | 彭孝孝 | City is with inside and outside drainage pipe manufacture equipment in underground |
| CN114534956B (en) * | 2022-02-11 | 2023-01-20 | 安徽中科凯辰高分子材料有限公司 | High-molecular waterproof anticorrosive paint spraying equipment |
-
2024
- 2024-05-15 CN CN202410598604.4A patent/CN118179809B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106639283A (en) * | 2016-12-23 | 2017-05-10 | 中国水利水电第三工程局有限公司 | Steel tube inner wall anticorrosion painting construction operation platform |
| CN111359813A (en) * | 2020-03-04 | 2020-07-03 | 优固得建筑装配科技有限公司 | Be used for anticorrosive spraying device of chimney inner wall and an inner wall gallows |
Also Published As
| Publication number | Publication date |
|---|---|
| CN118179809A (en) | 2024-06-14 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN108176545B (en) | A kind of inner wall of the pipe coating equipment | |
| CN108612293A (en) | A kind of device of whitewashing a wall automatically | |
| CN110644737A (en) | Wall decoration paint smearing equipment | |
| CN112756137B (en) | Automatic valve machining equipment | |
| CN118179809B (en) | Coating device for steel pipe production and control method thereof | |
| CN113134441A (en) | Spraying equipment with regulatory function | |
| CN209968703U (en) | Spraying does not have trace press device | |
| CN205731718U (en) | Cast paint automatic spraying machine | |
| CN116459992A (en) | Anti-oxidation treatment device for manufacturing color steel structure | |
| CN214879957U (en) | Stacker sky rail guider | |
| CN215858908U (en) | Coating equipment | |
| CN2165934Y (en) | Electrostatic spray machine for inner & outer walls of metal pipe-line | |
| CN112604849B (en) | Automobile parts evenly oiling station | |
| CN210632390U (en) | Gluing head and gluing device | |
| CN210058770U (en) | Painting device | |
| CN208991040U (en) | A kind of automatic spraying vehicle of centrifugation | |
| CN112958352B (en) | Base member protective layer coating system | |
| CN118162316B (en) | Pipeline spraying device, spraying method and application thereof in pipeline corrosion prevention | |
| CN214717760U (en) | Equipment for coating suspension on inner wall of steel pipe | |
| CN221245772U (en) | Linear type flush coater | |
| CN219024694U (en) | Surface spraying device | |
| CN216261484U (en) | Mechanical bearing surface spraying device | |
| CN221896141U (en) | Spraying machine capable of automatically adjusting spraying distance | |
| CN215940340U (en) | Novel plastic static double-coating paint spraying equipment | |
| CN221413595U (en) | Automobile solar film spraying device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |