CN216988214U

CN216988214U - Spraying device with rotating mechanism for plastic-coated steel pipe

Info

Publication number: CN216988214U
Application number: CN202123257205.2U
Authority: CN
Inventors: 王亚平; 赵晓杰; 梅宇; 任玉亮
Original assignee: Tianjin Juncheng Pipeline Industrial Group Co ltd
Current assignee: Tianjin Juncheng Pipeline Industrial Group Co ltd
Priority date: 2021-12-21
Filing date: 2021-12-21
Publication date: 2022-07-19
Anticipated expiration: 2031-12-21

Abstract

The utility model belongs to the field of plastic-coated steel pipe production equipment, and particularly relates to a spraying device with a rotating mechanism for plastic-coated steel pipes, which comprises a bottom plate and two driving guide rails symmetrically fixed on the top surface of the bottom plate, wherein an installation frame is arranged on the bottom plate and is in transmission connection with the two driving guide rails, three conveying pipes are fixed at the top end of the installation frame, and the bottom ends of the conveying pipes are fixedly connected with atomizing nozzles; the protective tube cover is established on gas nozzle, and the apron is in to cover and establishes the state, seals the protection to gas nozzle, prevents that coating from blockking up gas nozzle, and when atomizing coating takes place the burning because of static or electric spark, the cylinder passes through the link pulling protective tube and slides for protective tube and gas nozzle break away from, and simultaneously, the apron is opened, and outside gas transmission will put out a fire gas via the hose carry to gas tube in, then via gas nozzle blowout, put out a fire to the atomized coating of burning, and the security is higher.

Description

Spraying device with rotating mechanism for plastic-coated steel pipe

Technical Field

The utility model relates to the field of plastic-coated steel pipe production equipment, in particular to a spraying device with a rotating mechanism for a plastic-coated steel pipe.

Background

The plastic-coated steel pipe, also known as plastic-coated pipe, steel-plastic composite pipe and plastic-coated composite steel pipe, is a steel-plastic composite steel pipe which uses steel pipe as base body and adopts the processes of spraying, rolling, soaking and absorbing to weld a layer of plastic anticorrosive layer on the inner surface of the steel pipe or weld the plastic anticorrosive layer on the inner and outer surfaces of the steel pipe.

The existing plastic-coated steel pipe spraying device is not provided with a fireproof mechanism, the atomized coating is extremely easy to burn when meeting electric sparks or open fire, the burning speed is high, if the fire is on, the fire cannot be extinguished in time, the fire can be further spread, and certain potential safety hazards are realized. Accordingly, one skilled in the art provides a spraying device for plastic-coated steel pipes with a rotating mechanism to solve the problems set forth in the background art.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a spraying device with a rotating mechanism for a plastic-coated steel pipe, which aims to solve the problems in the background technology.

In order to achieve the purpose, the utility model provides the following technical scheme:

the utility model provides a spraying device for plastic-coated steel pipe with rotary mechanism, includes that bottom plate and two symmetries are fixed at the drive guide rail of its top surface, be equipped with the installation frame on the bottom plate, the installation frame conveying is connected in two on the drive guide rail, the top of installation frame is fixed with three conveyer pipe, the equal fixedly connected with atomizer in bottom of conveyer pipe, the top surface both ends of bottom plate all are fixed with and are used for pipeline drive pivoted supporting mechanism, the both sides of installation frame are all installed the pipe and are had two mechanisms of putting out a fire, the negative pressure mechanism that is used for bleeding is all installed to the top both sides of installation frame, the mechanism of putting out a fire includes the gas pipe and fixes the gas shower nozzle at its output, the gas pipe is connected with outside gas transmission equipment, the gas pipe runs through to be fixed on the installation frame, gas shower nozzle is located inside the installation frame, the gas shower nozzle outside cover is equipped with the protective tube, the protective tube slides the gas pipe outer wall, the protective tube with the one end elasticity that gas shower nozzle corresponds articulates there is the apron, the outer wall of protective tube is fixed with the link, the mechanism of putting out a fire is still including the cylinder, the cylinder is fixed install the frame outer wall, the flexible end of cylinder with the link is fixed.

As a still further scheme of the utility model: the installation frame is provided with a connecting pipe, the conveying pipe is connected with the connecting pipe, and the connecting pipe is connected with external pumping equipment.

As a still further scheme of the utility model: the negative pressure mechanism comprises an air exhaust box and two air exhaust pipes, the air exhaust box is fixed on the inner wall of the top end of the installation frame, one ends of the two air exhaust pipes are fixed with the air exhaust box, and the other ends of the two air exhaust pipes penetrate through the outer side of the installation frame and are connected with external air exhaust equipment.

As a still further scheme of the utility model: and a filter screen for filtering is fixed at the air inlet end of the air extraction box.

As a still further scheme of the utility model: the filter screen is made of stainless steel.

As a still further scheme of the utility model: the supporting mechanism comprises an installation box and two supporting rollers, the installation box is fixed to the top surface of the bottom plate, the two supporting rollers are symmetrically and rotatably connected to the inner wall of the installation box, the outer wall of the installation box is fixedly connected with two driving motors, and the output ends of the driving motors are respectively coaxially fixed with the two supporting rollers.

As a still further scheme of the utility model: the conveying length of the driving guide rail is larger than the distance between the two supporting mechanisms.

Compared with the prior art, the utility model has the beneficial effects that:

when normal spraying, the cylinder promotes the protective tube slip cap through the link and establishes to the gas shower nozzle on, the apron is in to cover and establishes the state, protective tube and apron seal the protection to the gas shower nozzle, prevent that coating from blockking up the gas shower nozzle, when atomizing coating takes place the burning because of static or electric spark, the cylinder passes through the link and stimulates the protective tube and slides, make protective tube and gas shower nozzle break away from, and simultaneously, the apron is opened, outside gas transmission will put out a fire gas and carry to the gas pipe via the hose in, then spout via the gas shower nozzle, the atomized coating to the burning is put out a fire, prevent that the intensity of a fire from further spreading, the security is higher.

Drawings

FIG. 1 is a schematic structural diagram of a spraying device for plastic-coated steel pipes with a rotating mechanism;

FIG. 2 is a top view of a spraying device for plastic-coated steel pipes with a rotating mechanism;

FIG. 3 is a schematic structural diagram of a fire extinguishing mechanism in a spraying device for plastic-coated steel pipes with a rotating mechanism;

FIG. 4 is a schematic view showing the state where the protective pipe and the cover plate are opened in the spray coating device for plastic-coated steel pipes with a rotating mechanism;

fig. 5 is a schematic structural diagram of a negative pressure mechanism in a spray coating device for plastic-coated steel pipes with a rotating mechanism.

In the figure: 1. a base plate; 11. a drive rail; 12. mounting the frame; 13. a delivery pipe; 14. an atomizing spray head; 15. a connecting pipe; 2. a fire extinguishing mechanism; 21. a gas pipe; 22. a gas shower; 23. a protective tube; 24. a cover plate; 25. a connecting frame; 26. a cylinder; 3. a negative pressure mechanism; 31. an air extraction box; 32. an air exhaust pipe; 33. filtering with a screen; 4. a support mechanism; 41. installing a box; 42. a support roller; 43. the motor is driven.

Detailed Description

Referring to fig. 1 to 5, in an embodiment of the present invention, a spraying apparatus for plastic-coated steel pipes with a rotating mechanism includes a bottom plate 1 and two driving guide rails 11 symmetrically fixed on a top surface of the bottom plate 1, an installation frame 12 is disposed on the bottom plate 1, the installation frame 12 is connected to the two driving guide rails 11 in a transmission manner, three delivery pipes 13 are fixed on a top end of the installation frame 12, atomizing nozzles 14 are fixedly connected to bottom ends of the delivery pipes 13, support mechanisms 4 for driving the pipes to rotate are fixed on both ends of the top surface of the bottom plate 1, two fire extinguishing mechanisms 2 are mounted on both sides of the installation frame 12, negative pressure mechanisms 3 for exhausting air are mounted on both sides of a top end of the installation frame 12, each fire extinguishing mechanism 2 includes an air pipe 21 and an air nozzle 22 fixed on an output end of the air pipe 21, the air pipe 21 is fixed on the installation frame 12 in a penetrating manner, the air nozzle 22 is located inside the installation frame 12, gas shower nozzle 22 outside cover is equipped with protective tube 23, and protective tube 23 slides at gas pipe 21 outer wall, and protective tube 23 has apron 24 with the one end elasticity that gas shower nozzle 22 corresponds is articulated, and protective tube 23's outer wall is fixed with link 25, and fire extinguishing mechanism 2 is still including cylinder 26, and cylinder 26 is fixed at installation frame 12 outer wall, and cylinder 26's flexible end is fixed with link 25.

In this embodiment, the cover plate 24 is elastically hinged on the protection tube 23 by a torsion spring, when in use, two ends of the steel tube are respectively placed on the corresponding supporting mechanisms 4, the driving motor 43 drives the supporting roller 42 to rotate, thereby driving the steel tube to rotate, the external pumping mechanism is connected with the connecting tube 15 by a hose, the external pumping mechanism conveys the coating into the conveying tube 13 by the hose and the connecting tube 15, and then the coating is sprayed out by the atomizer 14, the steel tube is coated, meanwhile, the driving guide rail 11 drives the mounting frame 12 to move, so that the atomizer 14 moves along the length direction of the steel tube, the steel tube is coated, when in coating, the external air pumping equipment is connected with the air pumping tube 32 by a hose, the external air pumping equipment pumps the air in the air pumping box 31 by the hose and the air pumping tube 32, so that the air inlet end of the air pumping box 31 is always in a negative pressure state, the redundant atomized coating sprayed by the atomizing spray head 14 is extracted and conveyed to external equipment for unified treatment, so that the atomized coating is prevented from polluting air, the external air conveying equipment is connected with the air pipe 21 through a hose, during normal spraying, the air cylinder 26 pushes the protective pipe 23 to be sleeved on the air spray head 22 in a sliding manner through the connecting frame 25, the cover plate 24 is in a covering state, the protective pipe 23 and the cover plate 24 are used for sealing and protecting the air spray head 22 to prevent the coating from blocking the air spray head 22, when the atomized coating is burnt due to static electricity or electric sparks, the air cylinder 26 pulls the protective pipe 23 to slide through the connecting frame 25 to enable the protective pipe 23 to be separated from the air spray head 22, meanwhile, the cover plate 24 is opened, the external air conveying is used for conveying fire extinguishing gas into the air pipe 21 through the hose and then is sprayed out through the air spray head 22 to extinguish the burnt atomized coating and prevent further spread of fire, the safety is high.

In fig. 1: be equipped with connecting pipe 15 on the installation frame 12, conveyer pipe 13 all is connected with connecting pipe 15, and connecting pipe 15 is connected with outside pumping equipment, and outside pumping mechanism passes through the hose and is connected with connecting pipe 15, and outside pumping mechanism carries coating to conveyer pipe 13 in via the hose and through connecting pipe 15, then via 14 blowout of atomizer, carries out the spraying to the steel pipe.

In fig. 1 and 5: negative pressure mechanism 3 includes exhaust box 31 and two exhaust tubes 32, the top inner wall at installation frame 12 is fixed to exhaust box 31, the one end and the exhaust box 31 of two exhaust tubes 32 are fixed, the other end runs through to the installation frame 12 outside and is connected with outside air exhaust equipment, when the spraying, outside air exhaust equipment passes through the hose and is connected with exhaust tube 32, outside air exhaust equipment passes through the hose and extracts the inside air of exhaust box 31 via exhaust tube 32, make the inlet end of exhaust box 31 be in the negative pressure state all the time, extract the unnecessary atomizing coating of atomizer 14 spun, and carry to external equipment and handle in unison, prevent that atomizing coating from causing the pollution to the air.

In fig. 5: the air inlet end of air extraction box 31 is fixed with and is used for filterable filter screen 33, filters through filter screen 33, prevents that major possession article from getting into air extraction box 31 and causing exhaust tube 32 to block up, and filter screen 33's material is the stainless steel, and difficult emergence corrosion can not cause the iron rust to pollute the spraying of steel pipe.

In fig. 1 and 2: supporting mechanism 4 includes install bin 41 and two backing rolls 42, install bin 41 is fixed at the top surface of bottom plate 1, two backing rolls 42 symmetry rotation are connected at install bin 41 inner wall, two driving motor 43 of the outer wall fixedly connected with of install bin 41, two driving motor 43's output respectively with two backing rolls 42 coaxial fixed, when using, place the both ends of steel pipe respectively on corresponding supporting mechanism 4, driving motor 43 drives backing roll 42 and rotates, thereby the drive steel pipe rotates.

In fig. 2: the conveying length of the driving guide rail 11 is larger than the distance between the two supporting mechanisms 4, the driving range of the driving guide rail 11 is large, and the steel pipe placed between the two supporting mechanisms 4 can be sprayed comprehensively.

The working principle of the utility model is as follows: when in use, two ends of a steel pipe are respectively placed on the corresponding supporting mechanisms 4, the driving motor 43 drives the supporting roller 42 to rotate, so as to drive the steel pipe to rotate, the external pumping mechanism is connected with the connecting pipe 15 through a hose, the external pumping mechanism conveys the coating into the conveying pipe 13 through the hose and the connecting pipe 15, and then the coating is sprayed out through the atomizing nozzle 14, so as to spray the steel pipe, meanwhile, the driving guide rail 11 drives the mounting frame 12 to move, so that the atomizing nozzle 14 moves along the length direction of the steel pipe, so as to spray the steel pipe, during spraying, the external air pumping equipment is connected with the air pumping pipe 32 through a hose, the external air pumping equipment pumps air inside the air pumping box 31 through the air pumping pipe 32, so that the air inlet end of the air pumping box 31 is always in a negative pressure state, and pumps redundant atomized coating sprayed out by the atomizing nozzle 14 and conveys the coating to external equipment for unified treatment, prevent that atomizing coating from causing the pollution to the air, outside gas transmission equipment passes through the hose and is connected with gas pipe 21, when normal spraying, cylinder 26 promotes protective pipe 23 slip cap through link 25 and establishes to gas nozzle 22 on, apron 24 is in to cover and establishes the state, protective pipe 23 and apron 24 seal gas nozzle 22 and protect, prevent that coating from blockking up gas nozzle 22, when atomizing coating burns because of static or electric spark emergence, cylinder 26 passes through link 25 pulling protective pipe 23 and slides, make protective pipe 23 break away from with gas nozzle 22, and simultaneously, apron 24 is opened, outside gas transmission will put out a fire in gas carries to gas pipe 21 via the hose, then spout via gas nozzle 22, put out a fire to the atomizing coating of burning, prevent the intensity of a fire from further spreading, the security is higher.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the scope of the present invention, and the technical solutions and the utility model concepts of the present invention are equivalent to or changed within the scope of the present invention.

Claims

1. The utility model provides a spraying device for plastic-coated steel pipe with rotary mechanism, its characterized in that, includes that bottom plate (1) and two symmetries are fixed at the drive guide rail (11) of its top surface, be equipped with installation frame (12) on bottom plate (1), installation frame (12) conveying is connected two drive guide rail (11) is last, the top of installation frame (12) is fixed with three conveyer pipe (13), the equal fixedly connected with atomizer (14) in bottom of conveyer pipe (13), the top surface both ends of bottom plate (1) all are fixed with and are used for drive pipeline pivoted supporting mechanism (4), the pipe is all installed to the both sides of installation frame (12) has two mechanisms (2) of putting out a fire, negative pressure mechanism (3) that are used for bleeding are all installed to the top both sides of installation frame (12), mechanism (2) of putting out a fire include gas pipe (21) and fix gas nozzle (22) at its output, gas pipe (21) are connected with outside gas transmission equipment, gas pipe (21) run through to be fixed on installation frame (12), gas shower nozzle (22) are located inside installation frame (12), gas shower nozzle (22) outside cover is equipped with protective tube (23), protective tube (23) slide gas pipe (21) outer wall, protective tube (23) with the one end elasticity that gas shower nozzle (22) correspond articulates there is apron (24), the outer wall of protective tube (23) is fixed with link (25), fire extinguishing mechanism (2) are still including cylinder (26), cylinder (26) are fixed installation frame (12) outer wall, the flexible end of cylinder (26) with link (25) are fixed.

2. The spraying device with the rotating mechanism for the plastic-coated steel tube is characterized in that a connecting tube (15) is arranged on the mounting frame (12), the conveying tubes (13) are connected with the connecting tube (15), and the connecting tube (15) is connected with an external pumping device.

3. The spraying device with the rotating mechanism for the plastic-coated steel pipe is characterized in that the negative pressure mechanism (3) comprises an air suction box (31) and two air suction pipes (32), the air suction box (31) is fixed on the inner wall of the top end of the mounting frame (12), one end of each of the two air suction pipes (32) is fixed with the air suction box (31), and the other end of each of the two air suction pipes penetrates through the outer side of the mounting frame (12) and is connected with an external air suction device.

4. The spraying device with the rotating mechanism for the plastic-coated steel pipe is characterized in that a filter screen (33) for filtering is fixed at the air inlet end of the air suction box (31).

5. The spraying device with the rotating mechanism for the plastic-coated steel pipe as claimed in claim 4, wherein the material of the filter screen (33) is stainless steel.

6. The spraying device with the rotating mechanism for the plastic-coated steel pipe as claimed in claim 1, wherein the supporting mechanism (4) comprises an installation box (41) and two supporting rollers (42), the installation box (41) is fixed on the top surface of the bottom plate (1), the two supporting rollers (42) are symmetrically and rotatably connected to the inner wall of the installation box (41), the outer wall of the installation box (41) is fixedly connected with two driving motors (43), and the output ends of the two driving motors (43) are coaxially fixed with the two supporting rollers (42) respectively.

7. The spraying device with rotating mechanism for the plastic-coated steel pipe as claimed in claim 1, characterized in that the conveying length of the driving guide rail (11) is longer than the distance between two supporting mechanisms (4).