A polyurethane spray polyethylene wound pipe spraying device

Abstract

The present application belongs to the technical field of heat preservation pipe, and particularly relates to a spraying device for polyurethane spraying and polyethylene winding heat preservation pipe, which comprises a roller conveyor, a shell is installed above the roller conveyor, through holes one are formed on both sides of the shell, a spraying device is installed in the shell, a feeding device is installed on the side of the spraying device and is communicated with the spraying device, a detection assembly is installed in the feeding device, camera assemblies are installed on both sides of the outer side of the shell, compared with the prior art, the detection assembly is installed in the feeding device, the remaining amount of raw materials can be grasped in time through the detection assembly, the flow of raw materials conveyed to the spraying device can meet the process requirements, the accuracy and stability of the spraying amount are ensured, and spraying quality problems caused by unstable raw material supply are reduced; and the amount of polyurethane spraying material required for one steel pipe can be calculated according to the data detected by the detection assembly, so that digitization is realized.

Description

TECHNICAL FIELD

[0001] The present application belongs to the technical field of heat preservation pipe, and particularly relates to a spraying device for polyurethane spraying polyethylene winding heat preservation pipe. BACKGROUND

[0002] At present, in the industries of building, petroleum chemical industry, heat delivery and the like, the requirement for pipe heat preservation is also increasingly improved, the polyurethane spraying polyethylene winding heat preservation pipe can effectively reduce heat transfer and reduce energy loss, and conforms to the general trend of energy saving and emission reduction, but the spraying device for the existing polyurethane spraying polyethylene winding heat preservation pipe only simply conveys raw materials, lacks precise pressure and flow monitoring devices, which may cause that the real-time inventory of raw materials cannot be accurately known, and spraying interruption may occur due to insufficient raw material supply in the spraying process, thereby affecting product quality and production efficiency.

[0003] And the existing spraying device is directly sprayed with the steel pipe placed on the conveyor, which is easy to cause uneven spraying, thereby affecting product quality. SUMMARY

[0004] The present application provides a spraying device for polyurethane spraying polyethylene winding heat preservation pipe.

[0005] In order to achieve the above purpose, the technical scheme adopted by the present application is as follows: a spraying device for polyurethane spraying polyethylene winding heat preservation pipe, comprising a roller conveyor, a shell is installed above the roller conveyor, a through hole one is formed on both sides of the shell, a spraying device is installed in the shell, a feeding device is installed and communicated on the side of the spraying device, a detection assembly is installed in the feeding device, a camera assembly is installed on both sides of the outer side of the shell.

[0006] As a preferred, the feeding device comprises a feeding pipe one and a material box, the feeding pipe one is fixedly connected and communicated with the side of the spraying device, the material box is detachably connected at the end of the feeding pipe one, and a suction pump is installed on the feeding pipe one; the detection assembly comprises a pressure sensor, a temperature sensor and a flow detector one, the pressure sensor and the temperature sensor are both installed at the bottom in the material box, the flow detector one is installed on the feeding pipe one, and a laser range finder is installed on both sides of the outer periphery of the shell.

[0007] As a preferred, the spraying device comprises a moving mechanism one and a connecting plate, the connecting plate is installed above in the shell, the moving mechanism one is installed below the connecting plate, a cylinder two is installed below the moving mechanism one, a spraying piece is installed at the piston rod end of the cylinder two, a feeding pipe two is detachably connected and communicated on the side of the spraying piece, a spray head is detachably connected and communicated below the spraying piece, and a flow detector two is installed at the connecting position of the spray head and the spraying piece.

[0008] As preferred, two clamping devices are installed below the connecting plate, two clamping devices are installed on both sides of the moving mechanism one, and both clamping devices comprise guide rail one and servo motor one, the guide rail one is installed below the connecting plate, the servo motor one is installed at the end of the guide rail one, the output end of the servo motor one is detachably connected with the ball screw one, the ball screw one is matched with the sliding block one, and the sliding block one is in sliding connection with the guide rail one; the lower side of the sliding block one is installed with the cylinder three, and the piston rod end of the cylinder three is detachably connected with the clamping assembly.

[0009] As preferred, the clamping assembly comprises driving motor one and driving disc, the driving motor one is detachably connected at the piston rod end of the cylinder three, the driving disc is installed at the output end of the driving motor one, the side of the driving disc is installed with a plurality of cylinder four, the driving disc is installed with inner support through a plurality of support plates four; the piston rod end of each of the plurality of cylinder four is installed with cylinder five, the piston rod end of the cylinder five is installed with cylinder six, the piston rod end of the cylinder six is detachably connected with arc-shaped fixing piece one, and the arc-shaped fixing piece one is matched with steel pipe.

[0010] As preferred, the inner support comprises support disc, two mutually perpendicular grooves one are formed on both sides of the support disc, two U-shaped racks one and two are installed in the two grooves one, a groove two is formed in each of the two grooves one, a bearing one is installed in the groove two, a rotating shaft one is installed in the bearing one, a moving block one is in sliding connection in the U-shaped rack one, a moving block two is in sliding connection in the U-shaped rack two, a rack one is installed on the side of the moving block one, a rack two is installed on the side of the moving block two, a gear is installed at the end of the rotating shaft one, and the gear is in engagement with the rack one and the rack two; a driving mechanism is installed on the side of the rack two, a connecting piece two is installed at one end of the rack one and the rack two, an arc-shaped support one is installed at the end of the connecting piece two, and the driving mechanism of the driving disc is fixedly connected with the plurality of support plates four.

[0011] As preferred, the driving mechanism comprises connecting disc and moving piece, the moving piece is installed on the side of the rack two, a sliding slot is formed on the side of the moving piece, a rotating shaft two is in sliding connection in the sliding slot, a connecting rod is installed at the end of the rotating shaft two, a driving motor two is installed on the side of the connecting disc, the output end of the driving motor two is detachably connected with the connecting rod, the connecting disc of the driving disc is fixedly connected with the plurality of support plates four, and the connecting disc is fixedly connected with the support disc through the support plate three.

[0012] Preferably, the roller conveyor is provided with a support plate one on both sides, a guide rail two is installed above the support plate one, a servo motor two is installed at the end of the guide rail two, a ball screw two is detachably connected to the output end of the servo motor two, a sliding block two is matched with the ball screw two, and the sliding block two is in sliding connection with the guide rail two.

[0013] Preferably, the moving mechanism one comprises a guide rail three and a servo motor three, the guide rail three is installed below the connecting plate, two support plates two are installed below the connecting plate, a ball screw three penetrates through the two support plates two, the servo motor three is installed on the side surface of the support plate two, the output end of the servo motor three is detachably connected with the end of the ball screw three, a nut block is matched with the ball screw three, a sliding block three is matched with the guide rail three, and the sliding block three is in fixed connection with the nut block.

[0014] Preferably, the roller conveyor is provided with a control system, and the spraying device, the feeding device, the detection assembly and the camera assembly are in communication connection with the control system.

[0015] Compared with the prior art, the application has the advantages and positive effects that:

[0016] (1) The existing feeding system in the spraying equipment can only simply convey raw materials, but the detection assembly is installed in the feeding device, so that the remaining amount of raw materials can be grasped in time, and the flow of raw materials conveyed to the spraying device meets the process requirements, thereby ensuring the accuracy and stability of the spraying amount and reducing the spraying quality problems caused by unstable raw material supply; and the amount of polyurethane paint required for a steel pipe can be calculated according to the data detected by the detection assembly, so as to realize digitization.

[0017] (2) The camera assembly and the laser range finder are installed on both sides of the outer side of the shell, so that the spraying condition of the steel pipe can be recorded and detected in real time, and the diameter of the steel pipe can be detected, which provides intuitive basis for subsequent spraying quality detection, facilitates timely discovery of quality problems and analysis and improvement;

[0018] (3) The pressure sensor is installed at the bottom of the material box, the flow detector one is installed on the feeding pipe one, and the flow detector two is installed at the position where the nozzle is connected with the spraying part, so that the amount of polyurethane paint required for a steel pipe can be detected, thereby realizing digitization and providing favorable data for subsequent improvement.

[0019] (4) Servo motor three drive ball screw three rotation, make the nozzle along the axial direction of the steel pipe movement, and drive motor one drives the steel pipe rotation, thereby realizing all-around, uniform spraying, improving the spraying efficiency, avoiding local spraying uneven or missing phenomenon, improving the overall quality and appearance effect of the product;

[0020] (5) By arc-shaped support one in the inner support piece from the inside of the steel pipe support, effectively enhance the stability of the steel pipe in the spraying process, so that the steel pipe in the rotation process, also can ensure that the steel pipe position fixed, reduce the spraying deviation caused by the steel pipe shaking, ensure the efficient and stable operation of the spraying work;

[0021] (6) By drive motor two drives the connecting rod rotation, make gear and rack one and rack two cooperate, thereby can automatically adjust the position of arc-shaped support piece one according to different pipe diameter of steel pipe, adapt to the spraying demand of a variety of specifications of steel pipe, without frequent replacement of tooling, improve the versatility and production flexibility of the equipment;

[0022] (7) Cylinder one drives the arc-shaped fixed piece located at the outer periphery of the steel pipe, then the shape of the coating foaming can be limited during the polyurethane coating material foaming process. BRIEF DESCRIPTION OF DRAWINGS

[0023] In order to more clearly illustrate the technical scheme of the embodiments of the present application, the following will briefly introduce the drawings needed to be used in the embodiment description:

[0024] Figure 1 The spraying equipment front view of the polyurethane sprayed polyethylene winding heat preservation pipe provided for example 1;

[0025] Figure 2 The spraying equipment front view of the polyurethane sprayed polyethylene winding heat preservation pipe provided for example 2;

[0026] Figure 3 The spraying equipment schematic view of the polyurethane sprayed polyethylene winding heat preservation pipe;

[0027] Figure 4 The clamping assembly front view of the spraying equipment of the polyurethane sprayed polyethylene winding heat preservation pipe;

[0028] Figure 5 The clamping assembly schematic view of the spraying equipment of the polyurethane sprayed polyethylene winding heat preservation pipe;

[0029] Figure 6 The A enlarged view of Figure 5 .

[0030] BRIEF DESCRIPTION OF DRAWINGS

[0031] 1, shell; 2, roller conveyor; 3, camera assembly; 4, material box; 5, feeding pipe one; 6, suction pump; 7, flow detector one; 8, feeding pipe two; 9, guide rail one; 10, sliding block one; 11, servo motor one; 12, support plate one; 13, guide rail two; 14, sliding block two; 15, servo motor two; 16, air cylinder one; 17, connecting piece one; 18, arc-shaped fixed part; 19, steel pipe; 20, support plate two; 21, nut seat; 22, ball screw three; 23, servo motor three; 24, sliding block three; 25, air cylinder two; 26, air cylinder three; 27, drive motor one; 28, support disc; 29, drive disc; 30, connecting disc; 31, air cylinder four; 32, air cylinder five; 33, air cylinder six; 34, support plate three; 35, support plate four; 36, arc-shaped fixed part one; 37, arc-shaped support part one; 38, U-shaped frame one; 39, U-shaped frame two; 40, rack one; 41, rotating shaft one; 42, gear; 43, moving part; 44, rack two; 45, connecting piece two; 46, rotating shaft two; 47, connecting rod; 48, drive motor two. DETAILED DESCRIPTION

[0032] In order to enable persons skilled in the art to more clearly understand the above-mentioned objects, features and advantages of the present application, the present application will be further described below in conjunction with the accompanying drawings and examples.

[0033] In the following description, a large number of specific details are set forth in order to provide a thorough understanding of the present application, however, the present application can also be implemented in other ways different from those described herein, therefore, the present application is not limited to the specific embodiments disclosed in the following description.

[0034] Example 1

[0035] The following will be described in conjunction with the accompanying drawings Figure 1 Further description of the present application, a kind of polyurethane spray polyethylene winding heat preservation pipe spraying equipment, as shown in Figure 1 , including roller conveyor 2, the upper roller conveyor 2 is equipped with shell 1, both sides of shell 1 are provided with through hole one, spraying device is installed in shell 1, spraying device side is installed and communicated with feeding device, detection assembly is installed in feeding device, both sides of the outer side of shell 1 are equipped with camera assembly 3.

[0036] As shown in Figure 1 , feeding device includes feeding pipe one 5 and material box 4, feeding pipe one 5 is fixedly connected with the side of spraying device and communicated, material box 4 is detachably connected at the end of feeding pipe one 5, suction pump 6 is installed on feeding pipe one 5; detection assembly includes pressure sensor, temperature sensor and flow detector one 7, pressure sensor and temperature sensor are both installed at the bottom in material box 4, flow detector one 7 is installed on feeding pipe one 5, laser range finder is installed on the outer periphery of shell 1.

[0037] In the present application, the pressure sensor can sense the weight of the polyurethane coating material in the tank 4, and the flow detector 7 can detect the flow of the polyurethane coating material in the feeding pipe 5.

[0038] In the present application, the camera assembly 3 is an existing camera system.

[0039] In the present application, the two sides of the outer periphery of the shell 1 are respectively the inlet end and the outlet end.

[0040] In the present application, the two laser range finders can respectively detect the diameter of the unsprayed steel pipe 19 and the diameter of the sprayed steel pipe 19.

[0041] In the present application, the roller conveyor 2 is externally connected with a control system, and the spraying device, the feeding device, the detection assembly and the camera assembly 3 are all in communication connection with the control system.

[0042] In the present application, the extraction pump 6 of the feeding device, the pressure sensor, the temperature sensor, the laser range finder and the flow detector 7 of the detection assembly are all in communication connection with the control system.

[0043] In the present application, the pressure sensor can obtain the amount of polyurethane coating material required for spraying a steel pipe 19, and when the steel pipe 19 enters the shell 1, the pressure sensor is turned on to obtain the weight of the polyurethane coating material in the tank 4, and after the steel pipe 19 is sprayed, the weight of the polyurethane coating material in the tank 4 detected by the pressure sensor is obtained again.

[0044] In the present application, the staff can analyze the data transmitted by the pressure sensor and the flow detector 7 obtained by the control system, for example: when the pressure is normal but the flow is abnormal, it may be that the feeding pipe is blocked; and when the pressure and the flow are both abnormally decreased, it may be that the tank 4 is insufficient or the extraction pump 6 is malfunctioning.

[0045] In the present application, when the steel pipe 19 to be sprayed enters the shell 1, the camera assembly 3 located at the inlet end outside the shell 1 will take a picture of the steel pipe 19 to be sprayed, and the corresponding laser range finder will also detect the diameter of the steel pipe 19 to be sprayed.

[0046] The working principle of the embodiment is as follows: the polyurethane spraying material is stored in the tank 4, the suction pump 6 is started, the polyurethane spraying material in the tank 4 is sucked and conveyed to the spraying device under the action of pressure through the feed pipe one 5, in the process, the pressure sensor installed at the bottom of the tank 4 can monitor the pressure of the polyurethane spraying material in the tank 4 in real time, so as to timely understand the remaining amount of the raw material in the tank 4, and the temperature sensor can monitor the temperature of the polyurethane spraying material in the tank 4 in real time, and the flow detector one 7 installed on the feed pipe one 5 can accurately detect the flow size of the polyurethane spraying material in the feed pipe one 5, so as to ensure that the flow of the raw material conveyed to the spraying device meets the spraying process requirements, after the spraying device is stably supplied with the polyurethane spraying material, the raw material is uniformly sprayed on the surface of the steel pipe 19 to be sprayed conveyed on the roller conveyor 2, and after the spraying is completed, the camera assembly 3 installed outside the shell 1 can perform real-time shooting recording on the steel pipe 19 after the spraying, and the laser range finder at the outlet end of the shell 1 detects the diameter of the steel pipe 19 after the spraying, so as to detect and analyze the spraying quality subsequently.

[0047] Embodiment 2

[0048] The main difference between the embodiment and the embodiment 1 is that, as shown in Figure 2 and Figure 3 , the spraying device comprises a moving mechanism one and a connecting plate, the connecting plate is installed above the shell 1, the moving mechanism one is installed below the connecting plate, a cylinder two 25 is installed below the moving mechanism one, a spraying piece is installed at the end of the piston rod of the cylinder two 25, a feed pipe two 8 is detachably connected and communicated with the side surface of the spraying piece, a spray head is detachably connected and communicated below the spraying piece, and a flow detector two is installed at the connection position of the spray head and the spraying piece.

[0049] As shown in Figure 3 , two clamping devices are installed below the connecting plate, the two clamping devices are respectively installed on the two sides of the moving mechanism one, and the two clamping devices each comprise a guide rail one 9 and a servo motor one 11, the guide rail one 9 is installed below the connecting plate, the servo motor one 11 is installed at the end of the guide rail one 9, a ball screw one is detachably connected to the output end of the servo motor one 11, a sliding block one 10 is matched on the ball screw one, and the sliding block one 10 is slidingly connected with the guide rail one 9; a cylinder three 26 is installed below the sliding block one 10, and a clamping assembly is detachably connected to the end of the piston rod of the cylinder three 26.

[0050] As shown in Figure 3 , Figure 4 and Figure 5As shown in FIG. 1, the clamping assembly comprises a first driving motor 27 and a driving disc 29. The first driving motor 27 is detachably connected to the end of the piston rod of the third cylinder 26. The driving disc 29 is installed on the output end of the first driving motor 27. A plurality of fourth cylinders 31 are installed on the side of the driving disc 29. An inner support is installed on the driving disc 29 through a plurality of fourth supporting plates 35. The end of the piston rod of each fourth cylinder 31 is installed with a fifth cylinder 32. The end of the piston rod of the fifth cylinder 32 is installed with a sixth cylinder 33. The end of the piston rod of the sixth cylinder 33 is detachably connected with an arc-shaped fixing piece 36. The arc-shaped fixing piece 36 is matched with the steel pipe 19.

[0051] As shown in FIG. 1, Figure 3 , Figure 4 , Figure 5 and Figure 6 , the inner support comprises a supporting disc 28. Two mutually perpendicular grooves 1 are formed on the two sides of the supporting disc 28. A U-shaped frame 1 38 and a U-shaped frame 2 39 are installed in each groove 1. A groove 2 is formed in each groove 1. A bearing 1 is installed in the groove 2. A rotating shaft 1 41 is installed in the bearing 1. A moving block 1 is slidingly connected in the U-shaped frame 1 38. A moving block 2 is slidingly connected in the U-shaped frame 2 39. A rack 1 40 is installed on the side of the moving block 1. A rack 2 44 is installed on the side of the moving block 2. A gear 42 is installed on the end of the rotating shaft 1 41. The gear 42 is engaged with the rack 1 40 and the rack 2 44. A driving mechanism is installed on the side of the rack 2 44. A connecting piece 2 45 is installed on one end of each of the rack 1 40 and the rack 2 44. An arc-shaped support piece 1 37 is installed on the end of the connecting piece 2 45. The driving mechanism of the supporting disc 28 close to the driving disc 29 is fixedly connected with the plurality of fourth supporting plates 35.

[0052] As shown in FIG. 1, Figure 3 , Figure 4 , Figure 5 and Figure 6 , the driving mechanism comprises a connecting disc 30 and a moving piece 43. The moving piece 43 is installed on the side of the rack 2 44. A sliding slot is formed on the side of the moving piece 43. A rotating shaft 2 46 is slidingly connected in the sliding slot. A connecting rod 47 is installed on the end of the rotating shaft 2 46. A second driving motor 48 is installed on the side of the connecting disc 30. The output end of the second driving motor 48 is detachably connected with the connecting rod 47. The connecting disc 30 of the supporting disc 28 close to the driving disc 29 is fixedly connected with the plurality of fourth supporting plates 35. The connecting disc 30 is fixedly connected with the supporting disc 28 through the third supporting plate 34.

[0053] As shown in FIG. 1, Figure 2 and Figure 3As shown, the two sides of the roller conveyor 2 are provided with support plates one 12, the upper side of the support plate one 12 is provided with guide rails two 13, the end of the guide rails two 13 is provided with a servo motor two 15, the output end of the servo motor two 15 is detachably connected with a ball screw two, the ball screw two is matched with a sliding block two 14, and the sliding block two 14 is slidably connected with the guide rails two 13; the upper side of the sliding block two 14 is provided with a cylinder one 16, the piston rod end of the cylinder one 16 is provided with a connecting piece one 17, and the side surface of the connecting piece one 17 is detachably connected with an arc-shaped fixed part 18.

[0054] As shown in Figure 2 and Figure 3 As shown, the moving mechanism one comprises guide rails three and a servo motor three 23, the guide rails three are installed below the connecting plate, two support plates two 20 are installed below the connecting plate, a ball screw three 22 penetrates between the two support plates two 20, the servo motor three 23 is installed on the side surface of the support plate two 20, the output end of the servo motor three 23 is detachably connected with the end of the ball screw three 22, a nut block 21 is matched with the ball screw three 22, a sliding block three 24 is matched with the guide rails three, the sliding block three 24 is fixedly connected with the nut block 21, and a cylinder two 25 is installed below the sliding block three 24.

[0055] In the application, the two clamping devices are symmetrically arranged towards each other, and the two U-shaped frames one 38 in the mutually perpendicular grooves one are also mutually perpendicular.

[0056] In the application, the cylinder two 25, the flow detector two, the servo motor one 11, the cylinder three 26, the driving motor one 27, the cylinder four 31, the cylinder five 32, the cylinder six 33, the driving motor two 48, the servo motor two 15 and the servo motor three 23 are in communication connection with the control system.

[0057] In the application, the flow detector two installed at the connecting position of the nozzle and the spraying piece can monitor the flow of the polyurethane spraying material at the nozzle in real time, so that the accurate control of the spraying amount is ensured.

[0058] In the application, the multiple cylinder four 31s are synchronously controlled, the driving motor one 27s of the two clamping devices are synchronously controlled, the driving motor two 48s of the two clamping devices are synchronously controlled, and the servo motor two 15s on the two sides of the roller conveyor 2 are synchronously controlled.

[0059] The working principle of this embodiment is: turn on the roller conveyor 2, make the steel pipe 19 to be sprayed pass through the through hole of the shell 1 into the inside of the shell 1, turn off the roller conveyor 2, turn on the servo motor one 11, drive the ball screw one to rotate, make the sliding block one 10 move to the appropriate position along the guide rail one 9, turn off the servo motor one 11, the cylinder three 26 pushes the driving motor one 27 to move downward, after moving to the appropriate position, turn on the servo motor one 11, make the driving disc 29 move to the appropriate position, turn off the servo motor one 11, at the same time, turn on the cylinder four 31 and the driving motor two 48, then the cylinder four 31 drives the cylinder five 32 to move upward, after moving to the appropriate position, turn off the cylinder four 31, turn on the cylinder five 32, the cylinder five 32 drives the cylinder six 33 to move away from the cylinder six 33, after moving to the appropriate position, turn off the cylinder five 32, turn on the cylinder six 33, the cylinder six 33 pushes the arc-shaped fixing part one 36 to be close to the steel pipe 19, a plurality of arc-shaped fixing part one 36 clamps and fixes the steel pipe 19 from the outside of the steel pipe 19; then the output end of the driving motor two 48 drives the connecting rod 47 to rotate, the connecting rod 47 makes the rotating shaft two 46 slide in the sliding groove of the moving piece 43 and drives the moving piece 43 to move, the moving piece 43 drives the rack two 44 to move, because the gear 42 is engaged with the rack one 40 and the rack two 44, the movement of the rack two 44 will make the gear 42 rotate, and then drive the rack one 40 to move reversely, the connecting piece two 45 at the end of the rack one 40 and the rack two 44 drives the arc-shaped support part one 37 to support the steel pipe 19 from the inside of the steel pipe 19, enhance the stability of the steel pipe 19 in the spraying process, and can adapt to steel pipes 19 of different diameters, and the rack one 40 and the rack two 44 move in the U-shaped frame one 38 and the U-shaped frame two 39 through the moving block one and the moving block two respectively, turn off the driving motor two 48.

[0060] At the same time, the cylinder three 26 and the servo motor three 23 are opened, the servo motor three 23 drives the ball screw three 22 to rotate, the nut seat 21 moves along the ball screw three 22, the slider three 24 moves along the guide rail three, thereby driving the cylinder two 25 and the spraying piece installed below the slider three 24 to reach the appropriate spraying position, the servo motor three 23 is closed, the cylinder three 26 drives the steel pipe 19 to be sprayed to move upwards, after moving to the appropriate position, the cylinder three 26 is closed, the cylinder two 25 is opened, the cylinder two 25 drives the spraying piece to descend, the spraying head contacts the steel pipe 19 to be sprayed, the cylinder two 25 is closed, the suction pump 6, the driving motor one 27 and the servo motor three 23 are opened, the driving motor one 27 drives the steel pipe 19 to be sprayed to rotate, the suction pump 6 sucks the polyurethane spraying material into the spraying piece, the spraying head sprays the steel pipe 19 to be sprayed, the servo motor three 23 drives the spraying head to move along the axial direction of the steel pipe 19 to be sprayed, and after the spraying head sprays the steel pipe 19 to be sprayed for the first time, the cylinder one 16 is opened, the cylinder one 16 drives the arc-shaped solidifying piece 18 to move close to the steel pipe 19, after moving to the appropriate position, the cylinder one 16 is closed, the servo motor two 15 is opened, the servo motor two 15 drives the ball screw two to rotate, the slider two 14 matched with the ball screw two moves along the guide rail two 13, and the shape of the polyurethane spraying material after foaming is solidified, and the arc-shaped solidifying piece 18 moves along with the spraying head.

[0061] In the application, after the steel pipe 19 is sprayed, the cylinder three 26 is opened, the cylinder three 26 drives the steel pipe 19 to fall on the roller conveyor 2, the cylinder three 26 is closed, the driving motor two 48, the cylinder five 32, the cylinder six 33 and the cylinder four 31 are opened, the arc-shaped fixing piece one 36 and the arc-shaped supporting piece one 37 are separated from the steel pipe 19, the driving motor two 48, the cylinder five 32, the cylinder six 33 and the cylinder four 31 are closed, the cylinder three 26 and the servo motor one 11 are opened, the driving motor one 27 returns to the initial position, and the roller conveyor 2 is opened to transport the sprayed steel pipe 19 out through the through hole one of the shell 1.

[0062] In the application, the above specific operation steps can be adjusted according to the site conditions.

[0063] As the technical scheme of the application, the hardware setting provided is only for facilitating the implementation of specific brake control on the basis of hardware facilities, and the specific implementation of brake control and the brake control method are not the technical problems to be solved and the objects to be protected of the application. At the same time, the communication methods between the devices all adopt the existing communication methods, which are not the invention points of the application.

[0064] The above merely describes preferred embodiments of the present application, but is not intended to limit the present application in other forms, any skilled person in the art can use the disclosed technical content to make changes or modifications into equivalent embodiments with equivalent changes applied to other fields, but any simple modification, equivalent change made according to the technical essence of the present application to the above embodiments, still belongs to the protection scope of the present application technical solution.

Claims

1. A spraying apparatus for polyurethane spray polyethylene wound pipe, comprising a roller conveyor (2), characterized in that, The upper side of the roller conveyor (2) is provided with a shell (1), both sides of the shell (1) are provided with a through hole one, the shell (1) is provided with a spraying device, the side of the spraying device is provided with a feeding device, the feeding device is provided with a detection assembly, both sides of the shell (1) are provided with a camera assembly (3); The feeding device comprises a feeding pipe one (5) and a material box (4), the feeding pipe one (5) is fixedly connected with the side of the spraying device and communicates with each other, the material box (4) is detachably connected to the end of the feeding pipe one (5), and the feeding pipe one (5) is provided with a suction pump (6); The detection assembly comprises a pressure sensor, a temperature sensor and a flow detector one (7), the pressure sensor and the temperature sensor are both installed on the bottom of the material box (4), and the flow detector one (7) is installed on the feeding pipe one (5); the periphery of the shell (1) is provided with a laser range finder on both sides; The spraying device comprises a moving mechanism one and a connecting plate, the connecting plate is installed above the shell (1), the moving mechanism one is installed below the connecting plate, the moving mechanism one is provided with a cylinder two (25) below, the piston rod end of the cylinder two (25) is provided with a spraying part, the side of the spraying part is detachably connected and communicated with a feeding pipe two (8), the lower side of the spraying part is detachably connected and communicated with a spray head, and the spray head is provided with a flow detector two at the connecting position of the spraying part; The lower side of the connecting plate is provided with two clamping devices, the two clamping devices are respectively installed on both sides of the moving mechanism one, and the two clamping devices both comprise a guide rail one (9) and a servo motor one (11), the guide rail one (9) is installed below the connecting plate, the servo motor one (11) is installed at the end of the guide rail one (9), and the output end of the servo motor one (11) is detachably connected with a ball screw one, the ball screw one is matched with a sliding block one (10), and the sliding block one (10) is slidably connected with the guide rail one (9); The lower side of the sliding block one (10) is provided with a cylinder three (26), and the piston rod end of the cylinder three (26) is detachably connected with a clamping assembly; The clamping assembly comprises a driving motor one (27) and a driving disc (29), the driving motor one (27) is detachably connected to the piston rod end of the cylinder three (26), the driving disc (29) is installed on the output end of the driving motor one (27), a plurality of cylinder four (31) are installed on the side of the driving disc (29), and the driving disc (29) is provided with an inner supporting piece through a plurality of supporting plates four (35); The piston rod end of each of the plurality of cylinder four (31) is provided with a cylinder five (32), the piston rod end of the cylinder five (32) is provided with a cylinder six (33), the piston rod end of the cylinder six (33) is detachably connected with an arc-shaped fixing piece one (36), and the arc-shaped fixing piece one (36) is matched with a steel pipe (19); The inner support comprises a support disc (28), two mutually perpendicular grooves I are formed on two sides of the support disc (28), two U-shaped racks I (38) and two U-shaped racks II (39) are mounted on the two grooves I, grooves II are formed in the two grooves I, bearing I is mounted in the grooves II, rotating shaft I (41) is mounted in the bearing I, moving block I is slidably connected in the U-shaped rack I (38), moving block II is slidably connected in the U-shaped rack II (39), rack I (40) is mounted on the side of the moving block I, rack II (44) is mounted on the side of the moving block II, gear (42) is mounted on the end of the rotating shaft I (41), the gear (42) is engaged with the rack I (40) and the rack II (44); The two clamping devices are symmetrically arranged towards each other, and the U-shaped racks I (38) in the two mutually perpendicular grooves I are also mutually perpendicular; The side of the rack II (44) is provided with a driving mechanism, one end of the rack I (40) and the rack II (44) is provided with connecting piece II (45), the end of the connecting piece II (45) is provided with arc-shaped support piece I (37), the driving mechanism of the support disc (28) close to the driving disc (29) is fixedly connected with a plurality of support plates IV (35); The driving mechanism comprises connecting disc (30) and moving piece (43), the moving piece (43) is mounted on the side of the rack II (44), the side of the moving piece (43) is provided with a sliding groove, rotating shaft II (46) is slidably connected in the sliding groove, the end of the rotating shaft II (46) is provided with connecting rod (47), the side of the connecting disc (30) is provided with driving motor II (48), the output end of the driving motor II (48) is detachably connected with the connecting rod (47), the connecting disc (30) close to the driving disc (29) of the support disc (28) is fixedly connected with a plurality of support plates IV (35), the connecting disc (30) is fixedly connected with the support disc (28) through the support plate III (34); The two sides of the roller conveyor (2) are provided with support plates I (12), the upper side of the support plates I (12) is provided with guide rails II (13), the end of the guide rails II (13) is provided with servo motor II (15), the output end of the servo motor II (15) is detachably connected with ball screw II, the ball screw II is matched with sliding block II (14), the sliding block II (14) is slidably connected with the guide rails II (13); The upper side of the sliding block II (14) is provided with air cylinder I (16), the end of the piston rod of the air cylinder I (16) is provided with connecting piece I (17), the side of the connecting piece I (17) is detachably connected with arc-shaped fixed piece (18). The moving mechanism one includes guide rail three and servo motor three (23), the guide rail three is installed below the connecting plate, two support plates two (20) are installed below the connecting plate, a ball screw three (22) penetrates between two support plates two (20), the servo motor three (23) is installed on the side of support plate two (20), the output end of the servo motor three (23) is detachably connected with the end of the ball screw three (22), the ball screw three (22) is matched with the nut seat (21), the guide rail three is matched with the sliding block three (24), the sliding block three (24) is fixedly connected with the nut seat (21), the cylinder two (25) is installed below the sliding block three (24); The cylinder six (33) pushes the arc-shaped fixing piece one (36) to be close to the steel pipe (19), a plurality of arc-shaped fixing pieces one (36) clamp and fix the steel pipe (19) from the outer side of the steel pipe (19); then the driving motor two (48) drives the connecting rod (47) to rotate, the connecting rod (47) makes the rotating shaft two (46) slide in the sliding groove of the moving piece (43) and drives the moving piece (43) to move, the moving piece (43) drives the rack two (44) to move, because the gear (42) is engaged with the rack one (40) and the rack two (44), the movement of the rack two (44) will make the gear (42) rotate, and then drive the rack one (40) to move reversely, the connecting piece two (45) at the ends of the rack one (40) and the rack two (44) drives the arc-shaped support piece one (37) to support the steel pipe (19) from the inside of the steel pipe (19), enhances the stability of the steel pipe (19) in the spraying process, and can adapt to steel pipes (19) of different diameters; After a steel pipe (19) to be sprayed is sprayed by the nozzle for the first time, the cylinder one (16) is opened, the cylinder one (16) pushes the arc-shaped fixing piece (18) to be close to the steel pipe (19), after moving to the appropriate position, the cylinder one (16) is closed, the servo motor two (15) is opened, the servo motor two (15) drives the ball screw two to rotate, the sliding block two (14) matched with the ball screw two moves along the guide rail two (13), the shape after the polyurethane spraying material foaming is fixed, and the arc-shaped fixing piece (18) moves with the nozzle, and the arc-shaped fixing piece (18) is located behind the nozzle during the movement.

2. The polyurethane spray polyethylene foam insulated pipe spraying apparatus according to claim 1, wherein, The roller conveyor (2) is externally connected with a control system, and the spraying device, the feeding device, the detection assembly and the camera assembly (3) are in communication connection with the control system.

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