CN115609248A - Pipeline production process for welding steel pipe with stainless steel lining and plastic coating outside - Google Patents
Pipeline production process for welding steel pipe with stainless steel lining and plastic coating outside Download PDFInfo
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- CN115609248A CN115609248A CN202211621234.9A CN202211621234A CN115609248A CN 115609248 A CN115609248 A CN 115609248A CN 202211621234 A CN202211621234 A CN 202211621234A CN 115609248 A CN115609248 A CN 115609248A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
- B23P15/00—Making specific metal objects by operations not covered by a single other subclass or a group in this subclass
Abstract
The invention relates to the technical field of pipeline external plastic coating, in particular to a pipeline production process for welding a steel pipe lining with stainless steel external plastic coating, which comprises the following steps: step one, welding a steel pipe lining: inserting the stainless steel pipe into the welded steel pipe, and then extruding and sticking the stainless steel pipe on the inner wall of the welded steel pipe through an extruding device; step two, plastic coating of the welded steel pipe: coating the surface of the welded steel pipe with an anticorrosive agent through a coating mechanism; step three, butt joint lengthening of the welded steel pipe: a worker butt-joints two welded steel pipes which need to be connected together; device coating mechanism and auto-change over device's setting for it carries out anticorrosive coating to the splice of steel pipe after passing the second round hole to drive coating mechanism after the auto-change over device starts, thereby makes the operator only need can enough carry out automation to polish and plastic-coated to the steel pipe after fixing the mounting bracket installation, thereby is favorable to improving the welding process efficiency to the steel pipe.
Description
Technical Field
The invention relates to the field of pipeline external plastic coating, in particular to a pipeline production process for welding a steel pipe lining with stainless steel and external plastic coating.
Background
The lining stainless steel composite steel pipe is a thin-wall stainless steel pipe compounded on the inner wall of the steel pipe, the surface of the bimetal composite steel pipe is smooth, the fluid resistance is small, and the mechanical strength of the steel pipe is kept high.
The prior art discloses an invention patent for producing a partially-lined stainless steel externally-coated plastic-coated steel pipe, and a Chinese patent with the application number of CN202210462904.0, and discloses a bimetal welding plastic-coated composite steel pipe which comprises a composite steel pipe body, wherein the composite steel pipe body further comprises a steel pipe base pipe, a first coating layer and a second coating layer, the outer side of the steel pipe base pipe is provided with the first coating layer, the inner side of the steel pipe base pipe is provided with the second coating layer, inner side walls of two side ports of the steel pipe base pipe are respectively provided with a connecting steel pipe, and the cross section of the connecting steel pipe is in an L-shaped structure.
Carry out the welded in-process to inside lining stainless steel pipe, because the original plastic-coated layer of junction destruction steel pipe outer wall of steel pipe during the welding, thereby make the steel pipe easy corrosion damage of welding department after the welding finishes, consequently, need carry out anticorrosive treatment again to welding department, the steel pipe only needs carry out the anticorrosive treatment of welding department after the welding, need not holistic anticorrosive treatment, however, partial steel pipe diameter is big, it is big to turn after the welding completion occupation space when coating anticorrosive agent, anticorrosive agent is easily glued, make the manual work carry out the in-process operational difficulties of coating anticorrosive agent to welding department.
Disclosure of Invention
The invention aims to solve the defects in the prior art and provides a production process of a pipeline with a welded steel pipe lining and stainless steel outer plastic coating.
In order to achieve the above purposes, the technical scheme adopted by the invention is as follows: a production process of a pipeline with a welded steel pipe lined with stainless steel and externally coated with plastic comprises the following steps:
step one, welding a steel pipe lining: inserting the stainless steel pipe into the welded steel pipe, and then extruding and sticking the stainless steel pipe on the inner wall of the welded steel pipe through an extruding device;
step two, plastic coating of the welded steel pipe: coating the surface of the welded steel pipe with an anticorrosive agent through a coating mechanism;
step three, butt joint lengthening of the welded steel pipes: a worker butt-joints two welded steel pipes to be connected together, so that the tangent planes of the two steel pipes are butt-jointed and flat;
step four, welding treatment: the butt joint ends of the butt-jointed welded steel pipes are welded by workers, so that the inner pipes and the outer pipes of the butt-jointed welded steel pipes are completely welded together;
step five, polishing and plastic coating of the welding end: the method comprises the following steps that a worker sleeves a polishing and coating device on the outer ring of the welding end of a welded steel pipe, then fixes the polishing and coating device, starts the polishing and coating device after the fixing is finished, firstly polishes the welding position of the welded steel pipe by the polishing and coating device, automatically coats an anticorrosive agent on the welding position after the welding position is polished and leveled, and finishes the anticorrosive treatment on the welding position;
the polishing and coating device comprises two mounting frames, the two mounting frames are fixedly connected through bolts, the opposite sides of the two mounting frames are combined into a complete circle, the opposite sides of the two mounting frames are connected with rotating frames in a sliding mode, the two rotating frames are combined into a complete circle, the opposite sides of the two rotating frames are provided with first grooves, a driving device is jointly installed between the two rotating frames and the two mounting frames, and the driving device is used for driving the rotating frames to rotate in the inner rings of the mounting frames;
a first round hole is formed in the rotating frame and is communicated with the first groove, a first fixed pipe is rotatably connected in the first round hole, a T-shaped mounting column is slidably sleeved on the outer ring of the first fixed pipe, a T-shaped polishing column is slidably sleeved on the outer ring of the T-shaped mounting column, an inner cavity is formed in the T-shaped polishing column, a plurality of second round holes are formed in the bottom circumference array of the inner cavity in a penetrating manner, a switching device is arranged between the T-shaped mounting column and the T-shaped polishing column and is used for switching the use states of the T-shaped mounting column and the T-shaped polishing column, and the inner cavity is used for switching the T-shaped mounting column to perform abdication;
and a coating mechanism is arranged between the T-shaped mounting column and the rotating frame, and is used for coating the anticorrosive agent on the welded steel pipe when the T-shaped mounting column is switched to a working state.
Preferably, drive arrangement includes two first arc racks, two second recesses, first motor, the groove of stepping down, first mounting groove and two annular racks, two first arc racks are fixed in two respectively during the contact of first arc racks, merge into a complete gear, two the second recess is seted up respectively in two the opposite side of mounting bracket, two the second recess merges and is a complete ring channel, first arc rack is located the inside of second recess, first motor is fixed in and is located the top on the lateral wall of mounting bracket, the output shaft of first motor runs through the lateral wall after-fixing of mounting bracket has first gear, the groove of stepping down is seted up and is located the top on the arcwall face of mounting bracket, the groove of stepping down with the second recess is linked together, first gear passes behind the groove of stepping down with first arc rack meshes mutually, first mounting groove is seted up on the lateral wall of mounting bracket, the inside of first mounting groove is rotated and is installed the second gear, the second gear with T shape post fixed connection, two annular racks are fixed in respectively with the second annular racks meshes mutually on the lateral wall.
Preferably, the switching device includes a second mounting groove, a first thread bushing, a second thread bushing and a rotating bushing, the second mounting groove is formed in the rotating frame, the second mounting groove is communicated with the first round hole, a second motor is fixedly mounted in the second mounting groove, a third gear is fixed to an end portion of an output shaft of the second motor, the first thread bushing is fixed to an outer wall of the T-shaped mounting post, the second thread bushing is fixed to an outer wall of the T-shaped polishing post, the second thread bushing is located below the first thread bushing, the rotating bushing is rotatably mounted on an inner wall of the first round hole, the rotating bushing is located on an outer ring of the T-shaped polishing post, a bidirectional thread groove is formed in the inner wall of the rotating bushing, the bidirectional thread groove is formed by two symmetrically arranged thread grooves, the first thread bushing and the second thread bushing are respectively engaged with the two symmetrically arranged thread grooves in the bidirectional thread groove, a fourth gear is fixed to a top of an outer wall of the rotating bushing, and the fourth gear is engaged with the third gear.
Preferably, coating mechanism includes the fixed pipe of a plurality of seconds, and is whole the fixed pipe circumference array of second is fixed in the bottom of T shape erection column, whole the fixed pipe of second all is located the inside of inner chamber, whole the inside top of the fixed pipe of second all is fixed with the perforated plate, and is whole the bottom of perforated plate all is fixed with first plastic-coated sponge, the fixed pipe of second with second round hole one-to-one and be located directly over the second round hole, the fixed pipe of second with install feed liquor mechanism between the rotating turret T shape erection column switches when operating condition, feed liquor mechanism be used for to the inside input anticorrosive agent of the fixed pipe of second.
Preferably, feed liquor mechanism is including leading to groove, first connecting pipe and third mounting groove, lead to the vertical seting up in the inside of T shape erection column, the top that leads to the groove with the bottom of first fixed pipe aligns the intercommunication, lead to the groove with install elasticity intercommunication mechanism between the first fixed pipe when T shape erection column moves down, elasticity intercommunication mechanism is used for keeping lead to the groove with the intercommunication of first fixed pipe, it has a plurality of third connecting pipes, whole to fix the intercommunication on the lateral wall that leads to the groove the third connecting pipe dorsad the one end that leads to the groove all runs through behind the lateral wall of T shape erection column with correspond the fixed pipe of second aligns the intercommunication, the third mounting groove is seted up in on the lateral wall of rotating turret, the one end of first connecting pipe is inserted and is located the inside of first fixed pipe, the other end of first connecting pipe runs through extend to behind the lateral wall of rotating turret the inside of third mounting groove, flexible anticorrosive case has been placed in the inside slip of third mounting groove, flexible anticorrosive case orientation the fixed intercommunication of the one end of first connecting pipe has first connecting pipe, second connecting pipe and second connecting pipe extrusion case intercommunication are used for the corrosion inhibitor during the extrusion mechanism connection pipe carries out the corrosion inhibitor to the extrusion case.
Preferably, extrusion mechanism includes compression spring, first sliding block, spout and a plurality of meshing tooth, compression spring is located the inside of flexible anticorrosive agent case, compression spring's both ends respectively with the both ends fixed connection of flexible anticorrosive agent incasement portion, first sliding block is fixed in flexible anticorrosive agent case dorsad the one end of second connecting pipe, the spout is seted up in on the lateral wall of rotating turret, the spout with the third mounting groove is linked together, first sliding block orientation the one end of spout is fixed with the slide bar, the slide bar extends to the inside of spout, the third recess has been seted up to the inside of slide bar, the inside of third recess is fixed with the cylinder, the telescopic link end fixing of cylinder has the second sliding block, second sliding block sliding connection in the inside of third recess, logical groove has been seted up to the inside of second sliding block, it is provided with one-way bearing to lead to inslot portion, one-way bearing's outer loop with second sliding block fixed connection, one-way bearing's inner ring is fixed with the pivot, the one end of pivot is fixed with the fifth gear, all meshing tooth array is fixed in the inner wall of arc-shaped rack, the second rack is fixed to the second gear in the second back of the arc-shaped rack, the mounting bracket has the second rack, the second back-shaped rack, the arc-shaped rack is fixed to the one end of the arc-shaped gear.
Preferably, elasticity communicating mechanism includes the solid fixed ring of first solid fixed ring and second, first solid fixed ring is fixed in on the inner wall of first fixed pipe, the solid fixed ring of second is fixed in on the inner wall that leads to the groove, first solid fixed ring with the solid fixed ring of second between be fixed with the elasticity pipe jointly.
Preferably, the bottom circumference array of the fixed pipe of second is provided with a plurality of returning face plates, and is whole the top of returning face plate all with the fixed pipe of second rotates to be connected, and is whole the outer lane of returning face plate top pivot all is equipped with torque spring, torque spring's one end with returning face plate fixed connection, torque spring's the other end with the fixed pipe fixed connection of second, it is whole the returning face plate orientation one side of first plastic-coated sponge all is fixed with the second plastic-coated sponge when the T shape erection column is in the state of lifting, the returning face plate is located the inside of second round hole.
Preferably, the edge of the bottom of the T-shaped polishing column is provided with an annular groove, a plurality of elastic rubber blocks are fixed on the circumferential array of the top of the annular groove, straight rods are fixed at the bottoms of all the elastic rubber blocks, and an annular polishing plate is fixed at the bottom of all the straight rods together.
Preferably, a fourth mounting groove is formed in the side wall of the rotating frame, two seventh gears are mounted inside the fourth mounting groove in a rotating mode, the seventh gears are meshed with each other and are close to the annular rack, the seventh gears are meshed with the annular rack, the rotating shafts of the seventh gears penetrate through the rotating frame and extend to the inside of the first groove, connecting shafts are fixed at rotating shafts of the seventh gear axes and penetrate through the rotating frame and extend to the plurality of fan blades fixedly connected with the inner rear surface equal circumference array of the first groove.
Compared with the prior art, the invention has the following beneficial effects:
1. according to the invention, through the arrangement of the coating mechanism and the switching device, the T-shaped polishing column is driven to move upwards after the switching device is started, and the T-shaped mounting column is driven to move downwards in the inner cavity, so that the T-shaped mounting column is switched to be in the working state after moving downwards, the coating mechanism is synchronously started when the T-shaped mounting column is switched to be in the working state, and the coating mechanism is used for coating the anticorrosive agent on the welding part of the steel pipe after passing through the second round hole, so that an operator can automatically polish and coat the plastic on the steel pipe only by installing and fixing the mounting frame, the inconvenience in operation caused by continuous steel pipe turning in the polishing and plastic coating processes is avoided, and meanwhile, the potential safety hazard caused by the operator due to rolling extrusion of the steel pipe when the steel pipe is manually turned for plastic coating is avoided.
2. According to the invention, through the arrangement of the extrusion mechanism, the discontinuous extrusion anticorrosive agent in the plastic coating process is beneficial to carrying out uniform anticorrosive agent coating treatment on the surface of the steel pipe, after the plastic coating is stopped, an operator can start the air cylinder again to enable the air cylinder to drive the second sliding block to be far away from the air cylinder, and enable the second sliding block to drive the fifth gear and the sixth gear to be far away from the meshing teeth and the second arc-shaped rack, so that the anticorrosive agent can not be extruded when the steel pipe is polished, and the anticorrosive agent can be extruded discontinuously when the steel pipe is required to be coated, thereby being beneficial to improving the convenience of steel pipe processing.
3. According to the invention, through the arrangement of the turnover plate, the turnover plate is turned over under the action of the torsional force of the torsion spring, so that the turnover plate is perpendicular to the first plastic-coated sponge after being turned over, the second plastic-coated sponge is exposed after the turnover plate is turned over, the plastic-coated area of the welding part of the steel pipe is enlarged by the second plastic-coated sponge along with the expansion of the turnover plate, and the plastic-coated efficiency of the steel pipe is improved.
Drawings
FIG. 1 is a schematic process flow diagram of the present invention;
FIG. 2 is a schematic view of the overall structure of the present invention;
FIG. 3 is a schematic overall sectional structure of the present invention;
FIG. 4 is an enlarged schematic view of the invention at A of FIG. 3;
FIG. 5 is a cross-sectional view of the mounting bracket of the present invention;
FIG. 6 is an enlarged view of the structure at B in FIG. 5 according to the present invention;
FIG. 7 is an enlarged view of the structure of FIG. 6 at C in accordance with the present invention;
FIG. 8 is an enlarged view of the structure of FIG. 6 at D in accordance with the present invention;
FIG. 9 is an enlarged schematic view of the invention at E in FIG. 8;
FIG. 10 is a schematic view of the connection of a third gear and a fourth gear of the present invention;
fig. 11 is a schematic view of a connection structure of a first connection pipe of the present invention; (section at mounting rack and rotating rack)
FIG. 12 is a schematic cross-sectional view of a turret according to the present invention;
FIG. 13 is an enlarged view of the structure of FIG. 12 at F in accordance with the present invention;
FIG. 14 is a schematic view of the inner structure of the chute of the present invention;
FIG. 15 is an enlarged schematic view of the invention at G of FIG. 14;
FIG. 16 is a schematic cross-sectional view of the turret lip of the present invention;
FIG. 17 is a schematic view of an installation structure of fan blades of the present invention.
In the figure: 1. a mounting frame; 2. a rotating frame; 201. a first groove; 3. a first arc-shaped rack; 301. a second groove; 4. a first motor; 5. a first gear; 501. a yielding groove; 6. a first mounting groove; 7. a second gear; 8. a first circular hole; 9. a T-shaped mounting post; 10. a T-shaped grinding column; 11. rotating the sleeve; 12. a first threaded sleeve; 13. a second threaded sleeve; 14. an inner cavity; 15. a bidirectional thread groove; 16. a second mounting groove; 17. a second motor; 18. a third gear; 19. a fourth gear; 20. a first stationary tube; 21. an annular rack; 22. a first connecting pipe; 23. a third mounting groove; 24. a telescopic anticorrosive agent box; 25. a second connection pipe; 26. a pressure spring; 27. a first slider; 28. a chute; 29. a slide bar; 30. a third groove; 31. a second slider; 32. a one-way bearing; 33. a rotating shaft; 34. a cylinder; 35. a fifth gear; 36. meshing teeth; 37. a second arc-shaped rack; 38. a sixth gear; 39. a first retaining ring; 40. an elastic tube; 41. a through groove; 42. a second retaining ring; 43. a third connecting pipe; 44. a second stationary tube; 45. a perforated plate; 46. a first plastic coated sponge; 47. a turnover plate; 48. a torsion spring; 49. a second plastic-coated sponge; 50. a second circular hole; 51. an annular groove; 52. a straight rod; 53. an elastic rubber block; 54. an annular sanding plate; 55. a fourth mounting groove; 56. a seventh gear; 57. a fan blade.
Detailed Description
The following description is presented to disclose the invention so as to enable any person skilled in the art to practice the invention. The preferred embodiments described below are by way of example only, and other obvious variations will occur to those skilled in the art.
The production process of the pipeline with the stainless steel lining and the plastic coating outside the welded steel pipe as shown in the figures 1 to 17 comprises the following steps:
step one, welding a steel pipe lining: inserting the stainless steel pipe into the welded steel pipe, and then extruding and sticking the stainless steel pipe on the inner wall of the welded steel pipe through an extruding device;
step two, plastic coating of the welded steel pipe: coating the surface of the welded steel pipe with an anticorrosive agent through a coating mechanism;
step three, butt joint lengthening of the welded steel pipes: a worker butt-joints two welded steel pipes to be connected together, so that the tangent planes of the two steel pipes are butt-jointed and flat;
step four, welding treatment: the butt joint ends of the butt-jointed welded steel pipes are welded by workers, so that the inner pipes and the outer pipes of the butt-jointed welded steel pipes are completely welded together;
step five, polishing and plastic coating of the welding end: the method comprises the following steps that a worker sleeves a polishing and coating device on the outer ring of the welding end of a welded steel pipe, then fixes the polishing and coating device, starts the polishing and coating device after the fixing is finished, firstly polishes the welding position of the welded steel pipe by the polishing and coating device, automatically coats an anticorrosive agent on the welding position after the welding position is polished and leveled, and finishes the anticorrosive treatment on the welding position;
the polishing and coating device comprises two mounting frames 1, the two mounting frames 1 are fixedly connected through bolts, opposite sides of the two mounting frames 1 are combined into a complete circle, opposite sides of the two mounting frames 1 are connected with rotating frames 2 in a sliding mode, the two rotating frames 2 are combined into a complete circle, opposite sides of the two rotating frames 2 are provided with first grooves 201, a driving device is jointly installed between the two rotating frames 2 and the two mounting frames 1, and the driving device is used for driving the rotating frames 2 to rotate in inner rings of the mounting frames 1;
a first round hole 8 is formed in the rotating frame 2, the first round hole 8 is communicated with the first groove 201, a first fixing pipe 20 is rotatably connected to the inside of the first round hole 8, a T-shaped mounting column 9 is slidably sleeved on the outer ring of the first fixing pipe 20, a T-shaped polishing column 10 is slidably sleeved on the outer ring of the T-shaped mounting column 9, an inner cavity 14 is formed in the T-shaped polishing column 10, a plurality of second round holes 50 are formed in the bottom circumferential array of the inner cavity 14 in a penetrating mode, a switching device is installed between the T-shaped mounting column 9 and the T-shaped polishing column 10 and used for switching the use state of the T-shaped mounting column 9 and the use state of the T-shaped polishing column 10, and the inner cavity 14 is used for shifting the T-shaped mounting column 9;
a coating mechanism is arranged between the T-shaped mounting column 9 and the rotating frame 2, and when the T-shaped mounting column 9 is switched to a working state, the coating mechanism is used for coating the anti-corrosion agent on the welded steel pipe; when the device works, in the process of welding the inner lining stainless steel pipe, the original plastic coating layer on the outer wall of the steel pipe is damaged at the joint of the steel pipe during welding, so that the welded part of the steel pipe is easy to corrode and damage after welding, the welded part needs to be subjected to anticorrosion treatment again, the steel pipe only needs to be subjected to anticorrosion treatment after welding, integral anticorrosion treatment is not needed, however, the diameter of part of the steel pipe is large, the occupied space is large when the steel pipe is turned over after welding and coated with the anticorrosion agent, the anticorrosion agent is easy to adhere, and the operation is difficult in the process of coating the anticorrosion agent on the welded part manually, the embodiment of the device can solve the problems, and the specific implementation mode is as follows, the two mounting frames 1 can be fixedly connected through screws, so that the steel pipe is fixedly positioned, the two rotating frames 2 are combined into a complete circle and rotatably mounted on the inner circle surrounded by the two mounting frames 1, the inside of the first groove 201 can reserve a space for installing the T-shaped mounting column 9 and the T-shaped polishing column 10, the inside of the first round hole 8 can install the T-shaped mounting column 9 and the T-shaped polishing column 10, the first fixing tube 20 can vertically slide and connect the T-shaped mounting column 9, the T-shaped mounting column 9 can vertically slide and connect the T-shaped polishing column 10, so that the T-shaped mounting column 9 and the T-shaped polishing column 10 can synchronously rotate and relatively slide, the driving device can drive the rotating frame 2 to rotate, the rotating frame 2 can drive the T-shaped polishing column 10 to rotate after rotating, the T-shaped polishing column 10 rotates and simultaneously rotates, the T-shaped mounting column 9 is driven to also rotate, the welding position of the steel pipe can be polished when the T-shaped polishing column 10 rotates, and a metal bulge formed during welding of the steel pipe is polished to be smooth, thereby be favorable to avoiding the staff to manually polish the inconvenient operation when welding department, after polishing the steel pipe welding department, the operator starts auto-change over device, auto-change over device starts the back drive T shape post 10 that polishes and upwards moves, drive T shape erection column 9 simultaneously and move downwards in the inside of inner chamber 14, thereby make T shape erection column 9 switch into operating condition after moving downwards, coating mechanism synchronous start when T shape erection column 9 switches into operating condition, make coating mechanism pass second round hole 50 after carry out anticorrosive's coating treatment to the welding department of steel pipe, thereby make the operator can enough carry out automatic polishing and plastic-coated to the steel pipe after fixing the installation of mounting bracket 1, need not to lead to the fact the inconvenient operation at the steel pipe of constantly stirring in-process of polishing and plastic-coated, be favorable to avoiding the potential safety hazard that the steel pipe roll extrusion operator caused when the steel pipe is stirred manually and is moulded.
As an embodiment of the present invention, the driving device includes two first arc-shaped racks 3, two second grooves 301, a first motor 4, a abdication groove 501, a first installation groove 6 and two annular racks 21, the two first arc-shaped racks 3 are respectively fixed on opposite sides of the two rotating frames 2, when the two first arc-shaped racks 3 are in contact, the two first arc-shaped racks are combined into a complete gear, the two second grooves 301 are respectively opened on opposite sides of the two installation frames 1, the two second grooves 301 are combined into a complete annular groove, the first arc-shaped rack 3 is located inside the second groove 301, the first motor 4 is fixed on a side wall of the installation frame 1 located above, an output shaft of the first motor 4 penetrates through the side wall of the installation frame 1 and is fixed with the first gear 5, the abdication groove 501 is opened on an arc-shaped surface of the installation frame 1 located above, the abdication groove 501 is communicated with the second groove 301, the first gear 5 penetrates through the abdication groove 501 and is engaged with the first arc-shaped rack 3, the first installation groove 6 is opened on a side wall of the rotating frame 2, the first installation groove 6 is internally provided with the second gear 7, the second annular rack 7 is respectively fixed on the two annular racks 21, and the two annular racks 21; when the steel pipe polishing device works, the first motor 4 can drive the first gear 5 to rotate through the output shaft after being started, the first gear 5 drives the first arc-shaped rack 3 meshed with the first gear to rotate after penetrating through the abdicating groove 501, the second groove 301 can provide an abdicating space for the rotation of the first arc-shaped rack 3, the first arc-shaped rack 3 can drive the rotating frame 2 to rotate after rotating, so that the rotating frame 2 drives the T-shaped polishing column 10 to rotate to polish the steel pipe, and can drive the T-shaped mounting column 9 to rotate to coat plastics on the steel pipe, the T-shaped mounting column 9 rotates and simultaneously drives the second gear 7 to revolve around the center of the mounting frame 1, so that the second gear 7 moves relative to the annular rack 21, the second gear 7 rotates under the meshing action with the annular rack 21 in the revolution process, so that the T-shaped mounting column 9 and the T-shaped polishing column 10 can rotate while revolving, thereby being beneficial to rotatably polishing and coating anticorrosive agents on the outer wall of the steel pipe, the polishing mode is richer, the full polishing of the outer wall of the steel pipe, the edge is beneficial to the full polishing of the coating of the annular surface of the steel pipe, the edge coating of the edge of the coating is rich, and the coating of the uniform coating means of the outer wall of the steel pipe is beneficial to the polishing means for polishing.
As an embodiment of the present invention, the switching device includes a second mounting groove 16, a first thread bushing 12, a second thread bushing 13 and a rotating bushing 11, the second mounting groove 16 is opened inside the rotating frame 2, the second mounting groove 16 is communicated with the first round hole 8, a second motor 17 is fixedly mounted inside the second mounting groove 16, a third gear 18 is fixed at an end of an output shaft of the second motor 17, the first thread bushing 12 is fixed on an outer wall of the T-shaped mounting post 9, the second thread bushing 13 is fixed on an outer wall of the T-shaped polishing post 10, the second thread bushing 13 is located below the first thread bushing 12, the rotating bushing 11 is rotatably mounted on an inner wall of the first round hole 8, the rotating bushing 11 is located on an outer ring of the T-shaped polishing post 10, a bidirectional thread bushing 15 is formed on an inner wall of the rotating bushing 11, the bidirectional thread bushing 15 is composed of two symmetrically-arranged thread bushings, the first thread bushing 12 and the second thread bushing 13 are respectively engaged with two symmetrically-arranged thread bushings 15, a fourth gear 19 is fixed on a top of an outer wall of the rotating bushing 11; when the device works, after the polishing of the welding position of the steel pipe is finished, an operator stops the first motor 4, the output shaft does not rotate after the first motor 4 stops rotating and is in a locked state, so that the rotating frame 2 cannot rotate continuously, at the moment, the operator starts the second motor 17, the second motor 17 drives the third gear 18 to rotate through the output shaft after being started, the third gear 18 drives the fourth gear 19 meshed with the third gear to rotate after rotating, the fourth gear 19 drives the rotating sleeve 11 to rotate after rotating, the rotating sleeve 11 drives the bidirectional threaded groove 15 to rotate after rotating, the bidirectional threaded groove 15 drives the first threaded sleeve 12 and the second threaded sleeve 13 in threaded fit with the bidirectional threaded groove to move after rotating, at the moment, the second gear 7 cannot rotate due to the meshing action of the second gear 7 and the annular rack 21 due to the fixed position of the rotating frame 2, so that the T-shaped mounting column 9 fixedly connected with the second gear 7 cannot rotate, T shape post 10 of polishing is unable to rotate because with the vertical sliding connection of T shape erection column 9, thereby make the first thread bush 12 and the unable rotation of second thread bush 13 of being connected with T shape erection column 9 and T shape post 10 of polishing, and first thread bush 12 and second thread bush 13 are opposite with two-way thread groove 15's screw-thread fit direction, thereby make first thread bush 12 driven downstream, while second thread bush 13 is driven upward movement, second thread bush 13 drives T shape post 10 upward movement, make T shape post 10 of polishing keep away from the surface of steel pipe after upward movement gradually, no longer polish the steel pipe, and first thread bush 12 drives T shape erection column 9 and for T shape post 10 downstream, T shape erection column 9 drives coating mechanism and stretches out by second round hole 50 in the downward movement in-process, thereby polish the steel pipe by T shape post 10 of polishing and switch into to drive coating mechanism through T shape erection column 9 and stretch out to steel pipe table And coating the surface with an anticorrosive agent to finish the switching action.
As an embodiment of the present invention, the coating mechanism includes a plurality of second fixing pipes 44, all the second fixing pipes 44 are circumferentially fixed to the bottom of the T-shaped mounting post 9, all the second fixing pipes 44 are located inside the inner cavity 14, a porous plate 45 is fixed to the top of the inside of all the second fixing pipes 44, a first plastic coated sponge 46 is fixed to the bottom of all the porous plates 45, the second fixing pipes 44 are in one-to-one correspondence with the second circular holes 50 and located right above the second circular holes 50, a liquid inlet mechanism is installed between the second fixing pipes 44 and the rotating frame 2, and when the T-shaped mounting post 9 is switched to a working state, the liquid inlet mechanism is used for inputting the anticorrosive agent into the inside of the second fixing pipes 44; during operation, the T-shaped erection column 9 drives the second fixed pipe 44 to move downwards after moving downwards, the second fixed pipe 44 drives the porous plate 45 and the first plastic-coated sponge 46 to move downwards, at the moment, the liquid inlet mechanism synchronously conveys the anticorrosive agent to the inside of the second fixed pipe 44, the anticorrosive agent is in a liquid state at normal temperature, such as acrylic polyurethane finish, after being coated on the surface of the steel pipe, the anticorrosive agent is gradually dried after a period of time to form an anticorrosive coating, the anticorrosive agent is impregnated into the inside of the first plastic-coated sponge 46 after passing through the porous plate 45, through the arrangement of the porous plate 45, the first plastic-coated sponge 46 is favorable for avoiding the first plastic-coated sponge 46 from being reversely extruded due to the steel pipe in the plastic coating process, and is upwards extruded and retracted to the inside of the liquid inlet mechanism, after the anticorrosive agent is absorbed by the first plastic-coated sponge 46, when an operator restarts the first motor 4 to drive the rotating frame 2 to rotate, the first plastic-coated sponge 46 can coat the anticorrosive agent on the surface of the steel pipe, thereby coating the surface of the steel pipe is treated by rotating, an operator does not need to manually hold the steel pipe to coat, and the plastic-coated processing efficiency is favorable for improving the plastic-coated processing efficiency.
As an embodiment of the invention, the liquid inlet mechanism comprises a through groove 41, a first connecting pipe 22 and a third mounting groove 23, the through groove 41 is vertically arranged inside the T-shaped mounting column 9, the top of the through groove 41 is aligned and communicated with the bottom of the first fixing pipe 20, an elastic communication mechanism is arranged between the through groove 41 and the first fixing pipe 20, when the T-shaped mounting column 9 moves downwards, the elastic communication mechanism is used for keeping the communication between the through groove 41 and the first fixing pipe 20, a plurality of third connecting pipes 43 are fixedly communicated on the side wall of the through groove 41, one end of each third connecting pipe 43, which is back to the through groove 41, penetrates through the side wall of the T-shaped mounting column 9 and then is aligned and communicated with the corresponding second fixing pipe 44, the third installation groove 23 is formed in the side wall of the rotating frame 2, one end of the first connection pipe 22 is rotatably inserted into the first fixed pipe 20, the other end of the first connection pipe 22 penetrates through the side wall of the rotating frame 2 and then extends into the third installation groove 23, the telescopic anticorrosive agent box 24 is slidably placed in the third installation groove 23, one end, facing the first connection pipe 22, of the telescopic anticorrosive agent box 24 is fixedly communicated with a second connection pipe 25, the second connection pipe 25 is connected with the first connection pipe 22 in an inserting mode, an extruding mechanism is installed between the telescopic anticorrosive agent box 24 and the rotating frame 2, and when the T-shaped installation column 9 is switched to a working state, the extruding mechanism is used for extruding the telescopic anticorrosive agent box 24 to inject liquid into the second connection pipe 25; during operation, the inside of third mounting groove 23 can be installed flexible anticorrosive agent case 24, flexible anticorrosive agent case 24 is the mechanism that can stretch out and draw back, the material of flexible section is equivalent to the characteristic of flexible pipe, when needs carry out the plastic-coated, extrusion mechanism can extrude flexible anticorrosive agent case 24, make the inside anticorrosive agent of flexible anticorrosive agent case 24 extruded along second connecting pipe 25, the anticorrosive agent loops through first connecting pipe 22 along second connecting pipe 25, first fixed pipe 20, logical groove 41 and third connecting pipe 43, the inside of second fixed pipe 44 is got into by the tip of third connecting pipe 43 afterwards, thereby accomplish the feed liquor of anticorrosive agent to the inside of second fixed pipe 44, thereby be favorable to when needs carry out the plastic-coated, initiatively carry the anticorrosive agent to the inside of second fixed pipe 44 and carry out anticorrosive agent's coating processing.
As an embodiment of the present invention, the squeezing mechanism includes a pressure spring 26, a first sliding block 27, a sliding slot 28 and a plurality of engaging teeth 36, the pressure spring 26 is located inside the telescopic anticorrosive agent box 24, two ends of the pressure spring 26 are fixedly connected with two ends inside the telescopic anticorrosive agent box 24 respectively, the first sliding block 27 is fixed at one end of the telescopic anticorrosive agent box 24 facing away from the second connecting pipe 25, the sliding slot 28 is opened on the side wall of the rotating frame 2, the sliding slot 28 is communicated with the third installation slot 23, one end of the first sliding block 27 facing the sliding slot 28 is fixed with a sliding rod 29, the sliding rod 29 extends into the sliding slot 28, the inside of the sliding rod 29 is opened with a third groove 30, the inside of the third groove 30 is fixed with an air cylinder 34, the end of the air cylinder 34 is fixed with a second sliding block 31, the second sliding block 31 is slidably connected inside the third groove 30, the inside of the second sliding block 31 is opened with a through slot, a one-way bearing 32 is arranged inside the through slot, the through slot is fixedly connected with an outer ring of the one-way bearing 32, one end of the inner ring of the one-way bearing 32 is fixed with a rotating shaft 33, one end of the inner ring of the rotating shaft is fixed with a fifth gear 35, the inner ring of the fifth gear 35, the fifth gear array is fixed with an arc-shaped rack 36, the back of the rack 36, the rack 36 is fixed on the inner wall of the rack 36, the back of the rack 36 is fixed on the sliding slot 35, the sliding block 35, the rack 36, the rack 35 is fixed on the inner wall of the rack 23, the rack 35, the rack 23; in operation, when plastic coating is required, when the second motor 17 is started, an operator starts the air cylinder 34, the air cylinder 34 pulls the second sliding block 31 through the telescopic rod to move towards the direction of the engaging teeth 36, so that the engaging teeth 36 are engaged with the fifth gear 35, the second arc-shaped rack 37 is engaged with the sixth gear 38, then during the rotation of the rotating frame 2, the fifth gear 35 and the engaging teeth 36 generate relative movement, so that during the movement of the fifth gear 35 relative to the engaging teeth 36, rotation is generated through the engagement with the engaging teeth 36, after the rotation of the fifth gear 35, relative movement is generated due to the engagement with the second arc-shaped rack 37, since the second arc-shaped rack 37 cannot move, so that the fifth gear 35 rolls along the track of the second arc-shaped rack 37 during the rotation, and the fifth gear 35 moves to drive the rotating shaft 33, the rotating shaft 33 drives the one-way bearing 32 and the second sliding block 31 to move, the second sliding block 31 pushes the sliding rod 29 to move through the third groove 30, so that the sliding rod 29 drives the first sliding block 27 to move, the first sliding block 27 pushes and extrudes the telescopic anticorrosive agent box 24 after moving, so that the telescopic anticorrosive agent box 24 is pushed and extruded to be compressed, which is beneficial to promoting the liquid inside the telescopic anticorrosive agent box 24 to be extruded, after the fifth gear 35 rotates and passes through the region of the meshing teeth 36, the sixth gear 38 and the fifth gear 35 do not rotate any more, at this time, the rotating shaft 33 can not rotate in the reverse direction due to the action of the one-way bearing 32, so that the sixth gear 38 can not rotate in the reverse direction to roll back, and meanwhile, the pressure spring 26 supports the two ends of the telescopic anticorrosive agent box 24 through the own elastic force, so that the telescopic anticorrosive agent box 24 can not continue to be compressed due to the shaking action, thereby make the position that sixth gear 38 drove first sliding block 27 remain stable, pass through meshing tooth 36 region again after making the turret 2 drive fifth gear 35 rotate a whole circle, thereby make the turret 2 rotate the round each time after, can extrude flexible anticorrosive agent case 24 and extrude partial anticorrosive, thereby be favorable to avoiding anticorrosive to continue to extrude and the excessive that causes, and be favorable to extruding anticorrosive of disconnected formula in the middle of the plastic-coated process, be favorable to carrying out the coating treatment of even anticorrosive to the surface of steel pipe, after the plastic-coated stops, the operator can start cylinder 34 once more, make cylinder 34 drive second sliding block 31 keep away from cylinder 34, make second sliding block 31 drive fifth gear 35 and sixth gear 38 keep away from meshing tooth 36 and second arc rack 37, thereby be favorable to when polishing the steel pipe, anticorrosive can not extrude, when needing to carry out the plastic-coated to the steel pipe, the anticorrosive is extruded to the discontinuous, thereby be favorable to improving the convenience of steel pipe processing.
As an embodiment of the present invention, the elastic communication mechanism includes a first fixing ring 39 and a second fixing ring 42, the first fixing ring 39 is fixed on the inner wall of the first fixing tube 20, the second fixing ring 42 is fixed on the inner wall of the through groove 41, and the elastic tube 40 is fixed between the first fixing ring 39 and the second fixing ring 42; the during operation, when T shape erection column 9 moves down, T shape erection column 9 drives logical groove 41 and the solid fixed ring 42 of second and moves down, and the solid fixed ring 42 of second pulling elasticity pipe 40 extends to make elasticity pipe 40 still communicate first fixed pipe 20 and logical groove 41 after tensile, thereby be favorable to keeping first fixed pipe 20 and the intercommunication that leads to groove 41 all the time.
As an embodiment of the present invention, a plurality of turning plates 47 are circumferentially arranged at the bottom of the second fixed pipe 44, the tops of all the turning plates 47 are rotatably connected with the second fixed pipe 44, the outer rings of the rotating shafts at the tops of all the turning plates 47 are sleeved with torsion springs 48, one ends of the torsion springs 48 are fixedly connected with the turning plates 47, the other ends of the torsion springs 48 are fixedly connected with the second fixed pipe 44, a second plastic-coated sponge 49 is fixed on one side of all the turning plates 47 facing the first plastic-coated sponge 46, and when the T-shaped mounting post 9 is in a lifting state, the turning plates 47 are located inside the second circular holes 50; during operation, when plastic coating is performed through the first plastic-coated sponge 46, the first plastic-coated sponge 46 needs to extend out through the second round hole 50, so that the volume of the first plastic-coated sponge 46 is limited, and the plastic coating is easily uneven in the plastic coating process.
As an embodiment of the invention, the edge of the bottom of the T-shaped polishing column 10 is provided with an annular groove 51, a plurality of elastic rubber blocks 53 are fixed on the circumferential array of the top of the annular groove 51, straight rods 52 are fixed on the bottoms of all the elastic rubber blocks 53, and annular polishing plates 54 are fixed on the bottoms of all the straight rods 52; during working, in the process of polishing through the T-shaped polishing column 10, the bottom of the T-shaped polishing column 10 is arranged in a plane, so that the contact area between the T-shaped polishing column 10 and a steel pipe is small, and the polishing efficiency of a welding part is influenced.
As an embodiment of the present invention, a fourth mounting groove 55 is formed on a side wall of the rotating frame 2, two seventh gears 56 are rotatably mounted inside the fourth mounting groove 55, the two seventh gears 56 are engaged with each other, the seventh gear 56 close to the annular rack 21 is engaged with the annular rack 21, rotating shafts of the two seventh gears 56 both penetrate through the rotating frame 2 and extend to the inside of the first groove 201, connecting shafts are fixed at rotating shafts of axes of the two seventh gears 56, and the two connecting shafts penetrate through the rotating frame 2 and extend to the rear surface inside the first groove 201 and are fixedly connected with a plurality of fan blades 57 in a circumferential array manner; in the working process, after the plastic coating is finished, the steel pipe and the device need to be removed after the anticorrosive agent is dried, so that the production efficiency is reduced when extra waiting is needed, the embodiment of the invention can solve the problems.
The working principle of the invention is as follows: in the process of welding the stainless steel pipe with the inner lining, the original plastic coating layer on the outer wall of the steel pipe is damaged at the joint of the steel pipe during welding, so that the welded part of the steel pipe is easy to corrode and damage after welding, the welded part needs to be subjected to anticorrosion treatment again, the steel pipe only needs to be subjected to anticorrosion treatment on the welded part after welding without integral anticorrosion treatment, however, the diameter of part of the steel pipe is large, the steel pipe occupies large space when being coated with the anticorrosion agent after welding, the anticorrosion agent is easy to stick, and the operation is difficult in the process of manually coating the anticorrosion agent on the welded part, the embodiment of the invention can solve the problems, the specific implementation mode is as follows, the two mounting frames 1 can be fixedly connected through screws, so that the steel pipe is fixedly positioned, the two rotating frames 2 are combined into a complete circle and are rotatably mounted on the inner circle surrounded by the two mounting frames 1, the inside of the first groove 201 can reserve a space for installing the T-shaped mounting column 9 and the T-shaped polishing column 10, the inside of the first round hole 8 can install the T-shaped mounting column 9 and the T-shaped polishing column 10, the first fixing tube 20 can vertically slide and connect the T-shaped mounting column 9, the T-shaped mounting column 9 can vertically slide and connect the T-shaped polishing column 10, so that the T-shaped mounting column 9 and the T-shaped polishing column 10 can synchronously rotate and relatively slide, the driving device can drive the rotating frame 2 to rotate, the rotating frame 2 can drive the T-shaped polishing column 10 to rotate after rotating, the T-shaped polishing column 10 rotates and simultaneously rotates, the T-shaped mounting column 9 is driven to also rotate, the welding position of the steel pipe can be polished when the T-shaped polishing column 10 rotates, and a metal bulge formed during welding of the steel pipe is polished to be smooth, thereby be favorable to avoiding the manual inconvenient operation when polishing the welding department of staff, after polishing the steel pipe welding department, the operator starts auto-change over device, auto-change over device starts the back and drives T shape post 10 that polishes and upwards move, drive T shape erection column 9 simultaneously and downwards move in the inside of inner chamber 14, thereby make T shape erection column 9 switch into operating condition after moving down, coating mechanism synchronous start when T shape erection column 9 switches into operating condition, make coating mechanism pass second round hole 50 after carry out anticorrosive's coating treatment to the welding department of steel pipe, thereby make the operator only need can enough carry out automatic polishing and plastic-coated to the steel pipe after fixing the installation bracket 1 installation, need not to constantly turn the steel pipe at the in-process of polishing and plastic-coated and cause the inconvenient operation, be favorable to avoiding the potential safety hazard that the steel pipe rolls when the manual steel pipe that turns over carries out the plastic-coated operator and cause.
Claims (10)
1. A production process of a pipeline with a welded steel pipe lined with stainless steel and externally coated with plastic is characterized by comprising the following steps:
step one, welding a steel pipe lining: inserting the stainless steel pipe into the welded steel pipe, and then extruding and sticking the stainless steel pipe on the inner wall of the welded steel pipe through an extruding device;
step two, plastic coating of the welded steel pipe: coating the surface of the welded steel pipe with an anticorrosive agent through a coating mechanism;
step three, butt joint lengthening of the welded steel pipes: butt-jointing two welded steel pipes to be connected together, so that the tangent planes of the two steel pipes are butted and leveled;
step four, welding treatment: welding the butt ends of the welded steel pipes which are butted together to ensure that the inner pipes and the outer pipes of the welded steel pipes which are butted together are completely welded together;
step five, polishing and plastic coating of the welding end: sleeving a polishing coating device on the outer ring of the welding end of the welded steel pipe in a sleeving manner, then fixing the polishing coating device, starting the polishing coating device after the fixing is finished, polishing the welding position of the welded steel pipe by the polishing coating device, automatically coating an anticorrosive agent on the welding position after the welding position is polished to be flat, and finishing the antirust treatment on the welding position;
the polishing and coating device comprises two mounting frames (1), the two mounting frames (1) are fixedly connected through bolts, opposite sides of the two mounting frames (1) are combined into a complete circle, rotating frames (2) are connected to the opposite sides of the two mounting frames (1) in a sliding mode, the two rotating frames (2) are combined into a complete circle, first grooves (201) are formed in the opposite sides of the two rotating frames (2), a driving device is jointly installed between the two rotating frames (2) and the two mounting frames (1) and used for driving the rotating frames (2) to rotate in inner rings of the mounting frames (1);
a first round hole (8) is formed in the rotating frame (2), the first round hole (8) is communicated with the first groove (201), a first fixing pipe (20) is rotatably connected to the inside of the first round hole (8), a T-shaped mounting column (9) is slidably sleeved on the outer ring of the first fixing pipe (20), a T-shaped polishing column (10) is slidably sleeved on the outer ring of the T-shaped mounting column (9), an inner cavity (14) is formed in the T-shaped polishing column (10), a plurality of second round holes (50) are formed in the bottom circumferential array of the inner cavity (14) in a penetrating mode, a switching device is installed between the T-shaped mounting column (9) and the T-shaped polishing column (10) and used for switching the T-shaped mounting column (9) and the T-shaped polishing column (10), and the inner cavity (14) is used for switching the T-shaped mounting column (9) and making way;
and a coating mechanism is arranged between the T-shaped mounting column (9) and the rotating frame (2), and when the T-shaped mounting column (9) is switched to be in a working state, the coating mechanism is used for coating the anti-corrosion agent on the welded steel pipe.
2. The production process of the pipeline of the welding steel pipe lining stainless steel outer coating plastic according to claim 1, characterized in that the driving device comprises two first arc-shaped racks (3), two second grooves (301), a first motor (4), a abdicating groove (501), a first mounting groove (6) and two annular racks (21), wherein the two first arc-shaped racks (3) are respectively fixed on the opposite sides of the two rotating frames (2), the two first arc-shaped racks (3) are combined into a complete gear when contacting, the two second grooves (301) are respectively opened on the opposite sides of the two mounting frames (1), the two second grooves (301) are combined into a complete annular groove, the first arc-shaped racks (3) are located in the inside of the second grooves (301), the first motor (4) is fixed on the side wall of the mounting frame (1) above, the output shaft of the first motor (4) penetrates through the side wall of the mounting frame (1) and is fixed with a first gear (5), the abdicating groove (501) is located above the first arc-shaped racks (501), the abdicating groove (501) is communicated with the first annular rack (501), the first arc-shaped racks (3) and the second arc-shaped racks (501) are arranged on the side wall of the mounting frame (1), the inside of first mounting groove (6) rotates and installs second gear (7), second gear (7) with T shape erection column (9) fixed connection, two annular rack (21) are fixed in two respectively on the lateral wall of rotating turret (2), annular rack (21) with second gear (7) mesh mutually.
3. The production process of the pipeline for the welding of the steel pipe lining and the stainless steel outer coating plastic according to claim 1, characterized in that the switching device comprises a second mounting groove (16), a first thread bushing (12), a second thread bushing (13) and a rotating bushing (11), the second mounting groove (16) is arranged inside the rotating frame (2), the second mounting groove (16) is communicated with the first round hole (8), a second motor (17) is fixedly mounted inside the second mounting groove (16), a third gear (18) is fixed at the end of an output shaft of the second motor (17), the first thread bushing (12) is fixed on the outer wall of the T-shaped mounting column (9), the second thread bushing (13) is fixed on the outer wall of the T-shaped grinding column (10), the second thread bushing (13) is arranged below the first thread bushing (12), the rotating bushing (11) is rotatably mounted on the inner wall of the first round hole (8), the rotating bushing (11) is arranged on the outer wall of the T-shaped grinding column (10), the two thread bushings (15) are symmetrically arranged on the two-way thread bushing (15), and the two-way thread bushing (15) is symmetrically arranged with the two-way thread bushing (15), and a fourth gear (19) is fixed at the top of the outer wall of the rotating sleeve (11), and the fourth gear (19) is meshed with the third gear (18).
4. The production process of the pipeline of the welding steel pipe inner lining stainless steel outer plastic-coated according to claim 1, characterized in that the coating mechanism comprises a plurality of second fixing pipes (44), all the second fixing pipes (44) are fixed to the bottom of the T-shaped mounting column (9) in a circumferential array mode, all the second fixing pipes (44) are located in the inner cavity (14), all the porous plates (45) are fixed to the top of the inner portion of the second fixing pipes (44), all the bottom of the porous plates (45) is fixed to first plastic-coated sponge (46), the second fixing pipes (44) correspond to and are located directly above the second circular holes (50), a liquid inlet mechanism is installed between the second fixing pipes (44) and the rotating frame (2), and when the T-shaped mounting column (9) is switched to a working state, the liquid inlet mechanism is used for inputting anticorrosive agents into the inner portion of the second fixing pipes (44).
5. The production process of the pipeline for the lining of the welded steel pipe with the stainless steel and the plastic coating outside the welded steel pipe as claimed in claim 4, wherein the liquid inlet mechanism comprises a through groove (41), a first connecting pipe (22) and a third mounting groove (23), the through groove (41) is vertically opened in the T-shaped mounting column (9), the top of the through groove (41) is communicated with the bottom of the first fixed pipe (20) in an aligned manner, an elastic communication mechanism is installed between the through groove (41) and the first fixed pipe (20), when the T-shaped mounting column (9) moves downwards, the elastic communication mechanism is used for keeping the through groove (41) communicated with the first fixed pipe (20), a plurality of third connecting pipes (43) are fixedly communicated with the side wall of the through groove (41), all the ends of the third connecting pipes (43) back to the through groove (41) are communicated with the corresponding second fixed pipe (44) after penetrating through the side wall of the T-shaped mounting column (9), the third connecting pipes (23) are opened in an aligned with the side wall of the rotating frame (2), the first connecting pipe (23) penetrates through the side wall of the sliding frame (22), and the other ends of the first connecting pipes (23) extend into the sliding frame (22), flexible anticorrosive agent case (24) orientation the fixed intercommunication of one end of first connecting pipe (22) has second connecting pipe (25), second connecting pipe (25) with first connecting pipe (22) intercommunication of pegging graft, flexible anticorrosive agent case (24) with install extrusion mechanism between rotating turret (2) when T shape erection column (9) switch to operating condition, extrusion mechanism is used for the extrusion flexible anticorrosive agent case (24) are annotated liquid to second connecting pipe (25).
6. A process for manufacturing a pipe lined with stainless steel and externally coated with plastic according to claim 5, wherein the extruding mechanism comprises a compression spring (26), a first sliding block (27), a sliding slot (28) and a plurality of engaging teeth (36), the compression spring (26) is located inside the telescopic anticorrosive agent tank (24), two ends of the compression spring (26) are fixedly connected with two ends inside the telescopic anticorrosive agent tank (24), the first sliding block (27) is fixed at an end of the telescopic anticorrosive agent tank (24) facing away from the second connecting pipe (25), the sliding slot (28) is opened on a side wall of the rotating frame (2), the sliding slot (28) is communicated with the third installation slot (23), a sliding rod (29) is fixed at an end of the sliding slot (28) facing the first sliding block (27), the sliding rod (29) extends into the sliding slot (28), a third groove (30) is opened inside the sliding rod (29), a cylinder (34) is fixed inside the third groove (30), a second sliding rod (31) is connected with an end of the second sliding cylinder (31), and a second sliding rod (31) is connected with a second sliding slot (31) inside the sliding rod (31), lead to inslot portion and be provided with one-way bearing (32), the outer loop of one-way bearing (32) with second sliding block (31) fixed connection, the inner ring of one-way bearing (32) is fixed with pivot (33), the one end of pivot (33) is fixed with fifth gear (35), and is whole meshing tooth (36) array is fixed in on the inner wall of mounting bracket (1), meshing tooth (36) with fifth gear (35) phase-match, fifth gear (35) dorsad the one end of pivot (33) is fixed with sixth gear (38), spout (28) dorsad be fixed with second arc rack (37) on the inner wall of third mounting groove (23), second arc rack (37) with sixth gear (38) mesh mutually.
7. The production process of the pipeline with the stainless steel inner lining coated with plastic as claimed in claim 5, wherein the elastic communication mechanism comprises a first fixing ring (39) and a second fixing ring (42), the first fixing ring (39) is fixed on the inner wall of the first fixing pipe (20), the second fixing ring (42) is fixed on the inner wall of the through groove (41), and the elastic pipe (40) is jointly fixed between the first fixing ring (39) and the second fixing ring (42).
8. The production process of the pipeline of the welded steel pipe lining stainless steel outer plastic coating, according to claim 4, is characterized in that a plurality of turnover plates (47) are arranged on the bottom circumference array of the second fixed pipe (44), all the tops of the turnover plates (47) are rotatably connected with the second fixed pipe (44), all the outer rings of the rotating shafts on the tops of the turnover plates (47) are sleeved with torsion springs (48), one ends of the torsion springs (48) are fixedly connected with the turnover plates (47), the other ends of the torsion springs (48) are fixedly connected with the second fixed pipe (44), all the turnover plates (47) face one sides of the first plastic coating sponges (46) and are fixed with second plastic coating sponges (49), and when the T-shaped mounting column (9) is in a lifting state, the turnover plates (47) are located inside the second round holes (50).
9. The production process of the pipeline with the welded steel pipe inner lining and the stainless steel outer coating plastic according to claim 4 is characterized in that an annular groove (51) is formed in the edge of the bottom of the T-shaped grinding column (10), a plurality of elastic rubber blocks (53) are fixed on the top of the annular groove (51) in a circumferential array mode, straight rods (52) are fixed on the bottoms of all the elastic rubber blocks (53), and annular grinding plates (54) are fixed on the bottoms of all the straight rods (52) together.
10. The production process of the pipeline with the stainless steel lining and the plastic coating outside the welded steel pipe as claimed in claim 2, wherein a fourth installation groove (55) is formed in the side wall of the rotating frame (2), two seventh gears (56) are rotatably installed inside the fourth installation groove (55), the two seventh gears (56) are meshed with each other, the seventh gear (56) close to the annular rack (21) is meshed with the annular rack (21), the rotating shafts of the two seventh gears (56) penetrate through the rotating frame (2) and then extend to the inside of the first groove (201), connecting shafts are fixed at the rotating shafts of the axes of the two seventh gears (56), and the two connecting shafts penetrate through the rotating frame (2) and extend to the inside rear surface of the first groove (201) and are fixedly connected with a plurality of fan blades (57) in a circumferential array manner.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211621234.9A CN115609248B (en) | 2022-12-16 | 2022-12-16 | Pipeline production process for welding steel pipe with stainless steel lining and plastic coating outside |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211621234.9A CN115609248B (en) | 2022-12-16 | 2022-12-16 | Pipeline production process for welding steel pipe with stainless steel lining and plastic coating outside |
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| CN115609248A true CN115609248A (en) | 2023-01-17 |
| CN115609248B CN115609248B (en) | 2023-03-31 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116748105A (en) * | 2023-06-26 | 2023-09-15 | 天津昕田管道科技有限公司 | Production process of metal pipeline inner lining plastic and outer coating plastic |
| CN117102310A (en) * | 2023-10-19 | 2023-11-24 | 山东兆鑫石油工具有限公司 | Stainless steel lining anti-corrosion oil pipe end face rotary flanging and welding device |
Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0559329A2 (en) * | 1992-02-07 | 1993-09-08 | General Electric Company | Method for producing uniform cylindrical tubes of CVD diamond |
| CN101430029A (en) * | 2008-12-19 | 2009-05-13 | 王利群 | Composite steel pipe with plastic tape winded externally and plastic coated internally, and its processing method |
| CN107737680A (en) * | 2017-11-15 | 2018-02-27 | 扬州市宇潇复合材料有限公司 | A kind of Multi-functional paint spraying equipment |
| CN110000650A (en) * | 2019-04-22 | 2019-07-12 | 杭州柔晴电子商务有限公司 | A kind of intelligentized Furniture wardrobe |
| CN110976239A (en) * | 2019-12-05 | 2020-04-10 | 上海华育金属有限公司 | Machining process and machining system for anti-drop screw of cross flat head machine tooth |
| CN111660068A (en) * | 2020-06-09 | 2020-09-15 | 绍兴市盛远消防设备有限公司 | Method for manufacturing steel fire extinguisher bottle body |
| CN113560130A (en) * | 2021-06-26 | 2021-10-29 | 张珊珊 | Circular cutting sectional type low-carbon coated glass processing device for building |
| CN215981283U (en) * | 2021-09-07 | 2022-03-08 | 天津市佳洁管业股份有限公司 | Mining steel-plastic composite pipe |
| CN217043185U (en) * | 2022-04-18 | 2022-07-26 | 王亚男 | Oil field gathering pipeline corrosion prevention device |
| CN115075519A (en) * | 2022-07-28 | 2022-09-20 | 武汉建工集团股份有限公司 | Full-automatic intelligent plastering robot and plastering method thereof |
-
2022
- 2022-12-16 CN CN202211621234.9A patent/CN115609248B/en active Active
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0559329A2 (en) * | 1992-02-07 | 1993-09-08 | General Electric Company | Method for producing uniform cylindrical tubes of CVD diamond |
| CN101430029A (en) * | 2008-12-19 | 2009-05-13 | 王利群 | Composite steel pipe with plastic tape winded externally and plastic coated internally, and its processing method |
| CN107737680A (en) * | 2017-11-15 | 2018-02-27 | 扬州市宇潇复合材料有限公司 | A kind of Multi-functional paint spraying equipment |
| CN110000650A (en) * | 2019-04-22 | 2019-07-12 | 杭州柔晴电子商务有限公司 | A kind of intelligentized Furniture wardrobe |
| CN110976239A (en) * | 2019-12-05 | 2020-04-10 | 上海华育金属有限公司 | Machining process and machining system for anti-drop screw of cross flat head machine tooth |
| CN111660068A (en) * | 2020-06-09 | 2020-09-15 | 绍兴市盛远消防设备有限公司 | Method for manufacturing steel fire extinguisher bottle body |
| CN113560130A (en) * | 2021-06-26 | 2021-10-29 | 张珊珊 | Circular cutting sectional type low-carbon coated glass processing device for building |
| CN215981283U (en) * | 2021-09-07 | 2022-03-08 | 天津市佳洁管业股份有限公司 | Mining steel-plastic composite pipe |
| CN217043185U (en) * | 2022-04-18 | 2022-07-26 | 王亚男 | Oil field gathering pipeline corrosion prevention device |
| CN115075519A (en) * | 2022-07-28 | 2022-09-20 | 武汉建工集团股份有限公司 | Full-automatic intelligent plastering robot and plastering method thereof |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116748105A (en) * | 2023-06-26 | 2023-09-15 | 天津昕田管道科技有限公司 | Production process of metal pipeline inner lining plastic and outer coating plastic |
| CN116748105B (en) * | 2023-06-26 | 2024-05-07 | 天津昕田管道科技有限公司 | Production process of metal pipeline inner lining plastic and outer coating plastic |
| CN117102310A (en) * | 2023-10-19 | 2023-11-24 | 山东兆鑫石油工具有限公司 | Stainless steel lining anti-corrosion oil pipe end face rotary flanging and welding device |
| CN117102310B (en) * | 2023-10-19 | 2023-12-26 | 山东兆鑫石油工具有限公司 | Stainless steel lining anti-corrosion oil pipe end face rotary flanging and welding device |
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| CN115609248B (en) | 2023-03-31 |
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