CN112893044A - Plastic-coated steel pipe production process - Google Patents
Plastic-coated steel pipe production process Download PDFInfo
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- CN112893044A CN112893044A CN202110082066.XA CN202110082066A CN112893044A CN 112893044 A CN112893044 A CN 112893044A CN 202110082066 A CN202110082066 A CN 202110082066A CN 112893044 A CN112893044 A CN 112893044A
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- plate
- pipe fitting
- plastic
- coated steel
- cleaning
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D3/00—Pretreatment of surfaces to which liquids or other fluent materials are to be applied; After-treatment of applied coatings, e.g. intermediate treating of an applied coating preparatory to subsequent applications of liquids or other fluent materials
- B05D3/002—Pretreatement
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D7/00—Processes, other than flocking, specially adapted for applying liquids or other fluent materials to particular surfaces or for applying particular liquids or other fluent materials
- B05D7/14—Processes, other than flocking, specially adapted for applying liquids or other fluent materials to particular surfaces or for applying particular liquids or other fluent materials to metal, e.g. car bodies
- B05D7/146—Processes, other than flocking, specially adapted for applying liquids or other fluent materials to particular surfaces or for applying particular liquids or other fluent materials to metal, e.g. car bodies to metallic pipes or tubes
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D7/00—Processes, other than flocking, specially adapted for applying liquids or other fluent materials to particular surfaces or for applying particular liquids or other fluent materials
- B05D7/22—Processes, other than flocking, specially adapted for applying liquids or other fluent materials to particular surfaces or for applying particular liquids or other fluent materials to internal surfaces, e.g. of tubes
- B05D7/222—Processes, other than flocking, specially adapted for applying liquids or other fluent materials to particular surfaces or for applying particular liquids or other fluent materials to internal surfaces, e.g. of tubes of pipes
- B05D7/225—Coating inside the pipe
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B13/00—Accessories or details of general applicability for machines or apparatus for cleaning
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B9/00—Cleaning hollow articles by methods or apparatus specially adapted thereto
- B08B9/02—Cleaning pipes or tubes or systems of pipes or tubes
- B08B9/023—Cleaning the external surface
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B9/00—Cleaning hollow articles by methods or apparatus specially adapted thereto
- B08B9/02—Cleaning pipes or tubes or systems of pipes or tubes
- B08B9/027—Cleaning the internal surfaces; Removal of blockages
Abstract
The invention relates to a production process of a plastic-coated steel pipe, which uses a production device of the plastic-coated steel pipe, and comprises a workbench, an inner cleaning mechanism and an outer cleaning unit, wherein the workbench is arranged on the existing working ground, the upper end of the workbench is provided with the inner cleaning mechanism, and the right end of the inner cleaning mechanism is provided with the outer cleaning unit.
Description
Technical Field
The invention relates to the field of steel pipe processing, in particular to a plastic-coated steel pipe production process.
Background
Plastic-coated steel pipe, also known as plastic-coated pipe, steel-plastic composite pipe, plastic-coated composite steel pipe, regard steel pipe as the basal body, through spraying, rolling, soaking, absorbing the steel-plastic composite steel pipe of the process fusion one deck plastics anticorrosive coating or inner and outer surface fusion plastics anticorrosive coating on the inner surface of steel pipe (bottom tube), before fusion plastics anticorrosive coating, the inner surface of the pipe fittings needs to pass operations such as polishing, cleaning, etc., the plastic-coated steel pipe has fine corrosion resistance and smaller frictional resistance, the epoxy resin plastic-coated steel pipe is suitable for the transportation of mediums such as water supply and drainage, sea water, warm water, oil, gas, etc., the polyvinyl chloride plastic-coated steel pipe is suitable for the transportation of mediums such as drainage, sea water, oil, gas, etc., but the following problem can appear in the plastic-coated steel pipe:
1. common cleaning structures are mostly used for straight-through type pipe fittings, but the force is insufficient when the pipe fittings are cleaned, meanwhile, impurities generated by scraping and cleaning the inner and outer surfaces of the pipe fittings cannot be effectively and timely treated, and the impurities in the pipe fittings are easy to re-adhere;
2. when the cleaning structure for the inner surface of the pipe fitting moves in the pipe fitting, the friction between the cleaning structure and the inner surface of the pipe fitting is large, so that the phenomena of movement clamping stagnation and large abrasion are easy to occur, and the outer surface of the pipe fitting is easy to be in a rough state after being cleaned.
Disclosure of Invention
Technical scheme (I)
In order to achieve the purpose, the invention adopts the following technical scheme that a plastic-coated steel pipe production process uses a plastic-coated steel pipe production device, the plastic-coated steel pipe production device comprises a workbench, an inner cleaning mechanism and an outer cleaning unit, and the specific production process when the plastic-coated steel pipe production device is used for producing the plastic-coated steel pipe is as follows:
s1, positioning the pipe fitting: manually placing the pipe fitting on the middle seat and enabling the left end of the pipe fitting to be attached to the limiting plate;
s2, internal cleaning preparation: the middle piece is pushed leftwards in a manual mode, the inner circular plate drives the inner scraping plate to move synchronously with the middle piece, after the inner circular plate enters the pipe fitting for a certain distance, the base is driven to move leftwards through the second electric sliding block, and the base drives the inner supporting plate to move synchronously until the left end of the inner supporting plate is clamped into the pipe fitting;
s3, cleaning the inner surface of the pipe fitting: in the process that the inner circular plate moves in the pipe fitting, the inner scraper synchronously cleans the inner surface of the pipe fitting, the scraped impurities can be synchronously adsorbed on the inner magnetic layer, and the inner supporting plate gradually and synchronously extends into the pipe to the maximum extent along with the penetration of the inner circular plate in the pipe fitting;
s4, preparing for external cleaning: under the condition that the inner supporting plate supports the interior of the pipe fitting, the middle seat is driven to move downwards through the first electric sliding block until the upper end face of the middle seat is flush with the upper end face of the workbench, then the semicircular plate is pulled rightwards through a manual mode until the semicircular plate is clamped and sleeved on the pipe fitting, then the two semicircular plates are connected and fixed through the first bolt, and at the moment, the outer scraping plate is in contact with the outer surface of the pipe fitting;
s5, cleaning the outer surface of the pipe fitting: the semicircular plate is pulled leftwards along the pipe fitting by a manual mode to drive the outer scraper to move synchronously, the outer scraper cleans the outer surface of the pipe fitting, the cleaned impurities are synchronously adsorbed by the outer magnetic layer, and meanwhile, the wiping block wipes the cleaned section of the outer surface of the pipe fitting along with the synchronous movement of the semicircular plate;
s6, pipe fitting plastic coating forming: a plastic anti-corrosion layer is welded on the inner surface and the outer surface of the pipe fitting which is integrally cleaned through spraying, rolling, soaking and absorbing processes, and the plastic-coated steel pipe is molded.
The workbench is installed on the existing working ground, an inner cleaning mechanism is arranged at the upper end of the workbench, and an outer cleaning unit is arranged at the right end of the inner cleaning mechanism.
The inner cleaning mechanism comprises a limiting plate, a first electric sliding block, a middle seat, a second electric sliding block, a base, an inner supporting plate, an intermediate piece, an inner circular plate, an inner magnetic layer and an inner scraper blade, the limiting plate is arranged at the left upper end of the workbench, a rectangular through groove is formed right side of the limiting plate and is arranged at the upper end of the workbench, the first electric sliding block is arranged on the left inner side wall and the right inner side wall of the rectangular through groove in a sliding fit mode, the middle seat is arranged between the first electric sliding blocks, the second electric sliding block is arranged right side of the middle seat and is arranged at the upper end of the workbench in a sliding fit mode, the base is arranged at the upper end of the second electric sliding block, the upper end of the base is connected with the right end of the inner supporting plate, a first through hole is formed in the middle part of the right end surface of the inner supporting plate, the intermediate piece is, the middle part of the inner circular plate is of an inward concave structure, the middle part of the inner circular plate is provided with an inner magnetic layer, the middle part of the inner magnetic layer is provided with an inner scraper plate which is of an annular structure, the pipe fitting is placed on the middle seat in a manual mode, the left end of the pipe fitting is attached to the limiting plate, the middle part of the inner magnetic layer is pushed leftwards in a manual mode, the inner scraper plate drives the inner scraper plate to move synchronously along with the middle part, the inner circular plate drives the base to move leftwards through the second electric slider after entering the pipe fitting for a certain distance, the base drives the inner supporting plate to move synchronously until the left end of the inner supporting plate is clamped into the pipe fitting, the inner scraper plate synchronously cleans the inner surface of the pipe fitting during the movement of the inner circular plate in the pipe fitting, the scraped impurities can be synchronously adsorbed on the inner magnetic layer, the inner circular plate gradually and synchronously extends into the pipe fitting until the inner supporting, interior stay plate forms inside the support to the pipe fitting, then drives middle seat downstream through an electronic slider and flushes until the up end of middle seat and the up end of workstation, later carries out the surface cleanness to the pipe fitting through outer list unit.
The outer list element comprises an extension plate, a connecting piece, a convex plate, a semicircular plate, an external magnetic layer, an external scraper blade, an ear plate, a first bolt and a wiping block, wherein the extension plate is symmetrically arranged at the right end of an inner supporting plate in front and back, the extension plate is positioned above the base, the outer side end of the extension plate is provided with a second through hole, the connecting piece is arranged in the second through hole in a sliding fit mode, the left end of the connecting piece is connected with the right end face of the convex plate, the semicircular plate is arranged at the inner side end of the convex plate, an arc-shaped groove is formed in the middle of the semicircular plate, the external magnetic layer is arranged in the arc-shaped groove, the external scraper blade is arranged in the middle of the external magnetic layer, the external scraper blade is of a semicircular structure, the ear plates are symmetrically arranged at the upper end and the lower end of the outer annular surface of the semicircular plate, the first bolt is arranged between the front and back, after the middle seat completely separated from the pipe fitting, pull semicircle board right through the manual mode until the semicircle board card cover on the pipe fitting, then fix two halves plectanes through a bolted connection, the outer surface contact of scraper blade and pipe fitting this moment, it is whole to pull the semicircle board left through the manual mode along the pipe fitting afterwards, the semicircle board drives outer scraper blade synchronous motion, outer scraper blade cleans the surface of pipe fitting, the impurity of clean production is adsorbed by outer magnetic layer in step, meanwhile, it follows semicircle board synchronous motion to wipe the piece, and clean the section to pipe fitting surface clean.
As a preferred technical scheme of the invention, the inner circular plate comprises a convex circular truncated cone and a second bolt, the convex circular truncated cone is vertically arranged, the convex end of the convex circular truncated cone faces the inner side, the convex circular truncated cones are connected through the second bolt, the second bolt is uniformly distributed along the circumferential direction of the convex circular truncated cone, the second bolt is arranged around the middle piece, the right end face of the convex circular truncated cone at the right end of the second bolt is connected with the left end of the middle piece, the second bolt is dismounted manually, the two convex circular truncated cones are separated, and impurities adsorbed on the outer magnetic layer are removed manually to keep the adsorption effect of the outer magnetic layer.
As a preferred technical scheme of the invention, the ring surface of the outer side end of the convex circular truncated cone is provided with the ear seat pairs, the ear seat pairs are uniformly distributed along the circumferential direction of the convex circular truncated cone, the middle parts of the ear seat pairs are rotatably provided with the rolling shafts, the rolling shafts synchronously move along with the inner circular plate in the process of the inner movement of the pipe fitting, the rolling shafts roll along the inner surface of the pipe fitting, the rolling friction formed between the rolling shafts and the inner surface of the pipe fitting can reduce the movement resistance of the inner circular plate, so that the reduction of the cleaning uniformity caused by the clamping stagnation phenomenon of the inner scraper can be avoided, and the abrasion degree of the inner surface of the pipe fitting can.
As a preferred technical scheme of the invention, a first groove is formed on the right end surface of the semicircular plate, the first groove is of an arc structure, an arc electric slide block is arranged in the first groove in a sliding fit mode, a second groove is formed on the right end of the arc electric slide block, a clamping block is clamped in the second groove, an arc plate is arranged on the right end of the clamping block, a wiping block is connected between the middle parts of the arc plates, when the semicircular plates are fixed and clamped on the pipe fitting, the elastic wiping block tightly sleeves the pipe fitting, in the process of cleaning the outer surface of the pipe fitting by an external scraping plate, the arc plate is driven by the arc electric slide block to rotate in a reciprocating forward and reverse mode, the wiping block is driven by the arc plate to move synchronously, the wiping degree of the wiping block on the cleaned section of the outer surface of the pipe fitting is improved, the probability of the outer surface of the pipe fitting in a rough state is greatly reduced, and the movable connection mode between the clamping block, thereby keeping the wiping effect of the wiping block.
As a preferred technical scheme of the invention, the intermediate part and the connecting part are steel wire cables woven by a plurality of steel wire ropes according to corresponding rules, and the steel wire cables have enough toughness and strength to ensure that the inner scraper blade and the outer scraper blade are suitable for cleaning straight pipe fittings and simultaneously suitable for cleaning the inner surface and the outer surface of simple bent pipe fittings, thereby greatly enlarging the range of objects which can be processed by the device and improving the utilization degree of the device.
As a preferred technical scheme of the invention, the rubber layers are arranged on the upper end surface of the middle seat and the right end surface of the limiting plate, and the rubber layers can play a role in buffering and protecting the pipe fitting so as to prevent the deformation of the contact part of the pipe fitting with the middle seat and the limiting plate.
As a preferred technical scheme of the invention, the limiting plate is sleeved at the upper end of the round rod, the lower end of the round rod is rotatably connected with the inner lower end of the stepped round hole, the stepped round hole is arranged at the upper end of the workbench, the round sleeve is arranged at the inner upper end of the stepped round hole in a thread fit mode, the inner ring surface of the round sleeve is connected with the round rod in a thread fit mode, the round sleeve is rotated upwards in a manual mode until the round sleeve is completely separated from the stepped round hole, at the moment, the round rod and the limiting plate can rotate, then the limiting plate is rotated according to the bending angle of the bent pipe fitting until the limiting plate is completely attached to the end face of the bent end of the pipe fitting, then the round sleeve is manually rotated downwards, through the fixed round bar of threaded connection between round sleeve and round bar and the ladder round hole, in summary, cooperation formation rotatable structure can carry out the adaptability according to the bend angle of pipe fitting between limiting plate, round bar and the round sleeve and spacing completely and supplementary fixed to the pipe fitting.
(II) advantageous effects
1. According to the plastic-coated steel tube production process, the plastic-coated steel tube is produced by adopting the design concept of internal and external double cleaning, the arranged internal cleaning mechanism can enable the tube to be subjected to internal cleaning under the limiting and fixing condition, and the stability of the tube in the cleaning process is kept, so that the aim of improving the cleaning effect is fulfilled, the probability that impurities are attached to the inner surface and the outer surface of the tube again can be reduced by a mode that the impurities generated by cleaning are removed by magnetism used by the internal cleaning mechanism and the external cleaning unit, and meanwhile, the phenomenon of accumulation of the impurities and the inner part of the tube can also be avoided;
2. the middle part and the connecting part are steel wire cables which are woven by a plurality of steel wire ropes according to corresponding rules, and the steel wire cables have enough toughness and strength to ensure that the inner scraping plate and the outer scraping plate are suitable for cleaning straight pipe fittings and cleaning the inner surface and the outer surface of simple bent pipe fittings, so that the range of objects which can be processed by the device is greatly enlarged;
3. the rolling friction formed between the rolling shaft and the inner surface of the pipe fitting can reduce the movement resistance of the inner circular plate, so that the reduction of the cleaning uniformity caused by the clamping stagnation phenomenon of the inner scraper can be avoided, and meanwhile, the abrasion degree of the inner surface of the pipe fitting can be reduced;
4. the friction block, the arc plate and the arc electric sliding block are matched to perform reciprocating friction on the cleaned section of the outer surface of the pipe fitting, so that the probability that the outer surface of the pipe fitting is in a rough state is greatly reduced, and meanwhile, the arc plate can be conveniently and timely detached to clean the friction block in a movable connection mode between the clamping block and the arc electric sliding block, so that the friction effect of the friction block is kept;
5. the limiting plate, the round rod and the round sleeve are matched to form a rotatable structure, so that the pipe fitting can be subjected to adaptive complete limiting and auxiliary fixing according to the bending angle of the pipe fitting.
Drawings
The invention is further illustrated with reference to the following figures and examples.
FIG. 1 is a process flow diagram of the present invention;
FIG. 2 is a schematic perspective view of the present invention;
FIG. 3 is a first cross-sectional view of the present invention;
FIG. 4 is a second cross-sectional view of the present invention;
FIG. 5 is a third cross-sectional view of the present invention;
FIG. 6 is a fourth cross-sectional view of the present invention;
FIG. 7 is an enlarged schematic view at X of FIG. 3 of the present invention;
FIG. 8 is an enlarged view of the present invention at Y of FIG. 3;
FIG. 9 is an enlarged view of the structure of the present invention at Z of FIG. 4;
fig. 10 is an enlarged schematic view of the invention at M of fig. 6.
Detailed Description
The embodiments of the invention will be described in detail below with reference to the drawings, but the invention can be implemented in many different ways, which are defined and covered by the claims.
As shown in fig. 1 to 10, a plastic-coated steel tube production process uses a plastic-coated steel tube production device, which comprises a workbench 1, an inner cleaning mechanism 2 and an outer cleaning element 3, and the specific production process when the plastic-coated steel tube production device is adopted to produce the plastic-coated steel tube is as follows:
s1, positioning the pipe fitting: manually placing the pipe fitting on the middle seat 22 and attaching the left end of the pipe fitting to the limiting plate 20;
s2, internal cleaning preparation: the middle piece 26 is pushed leftwards manually, the inner circular plate 27 drives the inner scraping plate 29 to move synchronously with the middle piece 26, after the inner circular plate 27 enters the pipe fitting for a certain distance, the second electric slide block 23 drives the base 24 to move leftwards, and the base 24 drives the inner supporting plate 25 to move synchronously until the left end of the inner supporting plate 25 is clamped into the pipe fitting;
s3, cleaning the inner surface of the pipe fitting: in the process that the inner circular plate 27 moves in the pipe fitting, the inner scraper 29 synchronously cleans the inner surface of the pipe fitting, the scraped impurities can be synchronously adsorbed on the inner magnetic layer 28, and the inner supporting plate 25 gradually and synchronously extends into the pipe to the maximum extent along with the penetration of the inner circular plate 27 in the pipe fitting;
s4, preparing for external cleaning: under the support of the inner supporting plate 25 to the interior of the pipe fitting, the first electric slide block 21 drives the middle seat 22 to move downwards until the upper end face of the middle seat 22 is flush with the upper end face of the workbench 1, then the semicircular plate 33 is pulled rightwards in a manual mode until the semicircular plate 33 is clamped and sleeved on the pipe fitting, then the first bolt 37 is used for connecting and fixing the two semicircular plates 33, and at the moment, the outer scraper 35 is in contact with the outer surface of the pipe fitting;
s5, cleaning the outer surface of the pipe fitting: the semicircular plate 33 is pulled leftwards along the pipe fitting by a manual mode to integrally move, the semicircular plate 33 drives the outer scraper 35 to synchronously move, the outer scraper 35 cleans the outer surface of the pipe fitting, the cleaned impurities are synchronously adsorbed by the outer magnetic layer 34, and meanwhile, the wiping block 38 wipes the cleaned section of the outer surface of the pipe fitting along with the synchronous movement of the semicircular plate 33;
s6, pipe fitting plastic coating forming: a plastic anti-corrosion layer is welded on the inner surface and the outer surface of the pipe fitting which is integrally cleaned through spraying, rolling, soaking and absorbing processes, and the plastic-coated steel pipe is molded.
The working table 1 is installed on the existing working ground, an inner cleaning mechanism 2 is arranged at the upper end of the working table 1, and an outer list element 3 is arranged at the right end of the inner cleaning mechanism 2.
The inner cleaning mechanism 2 comprises a limiting plate 20, a first electric sliding block 21, a middle seat 22, a second electric sliding block 23, a base 24, an inner supporting plate 25, a middle part 26, an inner circular plate 27, an inner magnetic layer 28 and an inner scraper 29, wherein the limiting plate 20 is arranged at the upper left end of the workbench 1, a rectangular through groove is formed in the right side of the limiting plate 20 and is arranged at the upper end of the workbench 1, the first electric sliding block 21 is arranged on the left inner side wall and the right inner side wall of the rectangular through groove in a sliding fit mode, the middle seat 22 is arranged between the first electric sliding blocks 21, the second electric sliding block 23 is arranged on the right side of the middle seat 22, the second electric sliding block 23 is arranged at the upper end of the workbench 1 in a sliding fit mode, the base 24 is arranged at the upper end of the second electric sliding block 23, the upper end of the base 24 is connected with the right end of the inner supporting plate 25, a through hole is formed in the middle part, an inner circular plate 27 is arranged at the left end of the middle piece 26, the middle part of the inner circular plate 27 is of an inward concave structure, an inner magnetic layer 28 is arranged at the middle part of the inner magnetic layer 27, an inner scraper 29 is arranged at the middle part of the inner magnetic layer 28, the inner scraper 29 is of an annular structure, the pipe fitting is placed on the middle seat 22 in a manual mode, the left end of the pipe fitting is attached to the limiting plate 20, then the middle piece 26 is pushed leftwards in a manual mode, the middle piece 26 drives the inner circular plate 27 to move synchronously, the inner circular plate 27 drives the inner scraper 29 to move synchronously, after the inner circular plate 27 enters the pipe fitting for a certain distance, the base 24 is driven leftwards through the second electric slide block 23 to move synchronously, the base 24 drives the inner supporting plate 25 to move synchronously until the left end of the inner supporting plate 25 is clamped into the pipe fitting, the inner circular plate 27 synchronously cleans the inner surface of the pipe fitting in the process of moving in, along with the deepening of interior plectane 27 in the pipe fitting, interior vaulting board 25 stretches into in step gradually and to furthest, the internal surface of pipe fitting accomplishes clean back, interior vaulting board 25 forms inside support to the pipe fitting, then drive middle seat 22 downstream through an electronic slider 21 and flush with the up end of workstation 1 until the up end of middle seat 22, later carry out the surface cleaning to the pipe fitting through clear unit 3 outward, limiting plate 20 can give the pipe fitting to the right power of supporting and play spacing and supplementary fixed effect to the pipe fitting, in order to avoid the pipe fitting to appear the slip phenomenon in clean process, and then improve clean effect.
The ring surface of the outer side end of the convex circular truncated cone 272 is provided with the lug seat pairs 273, the lug seat pairs 273 are uniformly distributed along the circumferential direction of the convex circular truncated cone 272, the middle parts of the lug seat pairs 273 are rotatably provided with the rollers 274, the inner circular plate 27 moves inside the pipe fitting, the rollers 274 move synchronously along with the inner circular plate 27, the rollers 274 roll along the inner surface of the pipe fitting, the rolling friction formed between the rollers 274 and the inner surface of the pipe fitting can reduce the motion resistance of the inner circular plate 27, the reduction of the cleaning uniformity caused by the clamping stagnation phenomenon of the inner scraper 29 can be avoided, and meanwhile, the abrasion degree of the inner surface of the pipe fitting can be reduced.
The rubber layer is arranged on the upper end face of the middle seat 22 and the right end face of the limiting plate 20, and the rubber layer can play a role in buffering and protecting the pipe fitting so as to prevent the deformation of the contact position of the pipe fitting with the middle seat 22 and the limiting plate 20.
The middle part 26 and the connecting part 31 are steel wire cables woven by a plurality of steel wire ropes according to corresponding rules, and the steel wire cables have enough toughness and strength to enable the inner scraper 29 and the outer scraper 35 to be suitable for cleaning the inner surface and the outer surface of a straight pipe fitting and simultaneously suitable for cleaning the inner surface and the outer surface of a simple bent pipe fitting, so that the range of objects which can be processed by the device is greatly enlarged, and the utilization degree of the device is improved.
The limiting plate 20 is sleeved at the upper end of the round rod 200, the lower end of the round rod 200 is rotatably connected with the lower end of the inner part of the stepped round hole, the stepped round hole is arranged at the upper end of the workbench 1, the round sleeve 201 is arranged at the upper end of the inner part of the stepped round hole in a thread matching mode, the inner ring surface of the round sleeve 201 is connected with the round rod 200 in a thread matching mode, the round sleeve 201 is manually rotated upwards until the round sleeve is completely separated from the stepped round hole, at the moment, the round rod 200 and the limit plate 20 can be rotated, then the limiting plate 20 is rotated according to the bending angle of the bent pipe fitting until the limiting plate 20 is completely attached to the end face of the bent end of the pipe fitting, then the round sleeve 201 is manually rotated downwards, through the fixed round bar 200 of threaded connection between round sleeve 201 and round bar 200 and the ladder round hole, to sum up, the cooperation forms rotatable structure between limiting plate 20, round bar 200 and the round sleeve 201 and can carry out the adaptability according to the bending angle of pipe fitting and spacing completely and supplementary fixed to the pipe fitting.
Inner circular plate 27 include protruding round platform 272 and No. two bolts 271, protruding round platform 272 is vertical setting, and the protruding end of protruding round platform 272 is inboard, link to each other through No. two bolts 271 between the protruding round platform 272, No. two bolts 271 evenly arranges along protruding round platform 272 circumference, No. two bolts 271 encircle middleware 26 and set up, the right-hand member face of the protruding round platform 272 of No. two bolts 271 right-hand members links to each other with the left end of middleware 26, No. two bolts 271 are lifted off through the manual mode, then separate two protruding round platforms 272, then clear away the adsorbed impurity of outer magnetic layer 34 through the manual mode, in order to keep the adsorption effect of outer magnetic layer 34, the holistic integrated configuration convenient to detach of round plate 27 and in time clear away the impurity that the cleanness produced within the total.
The outer cleaning unit 3 comprises an extension plate 30, a connecting piece 31, a convex plate 32, a semicircular plate 33, an outer magnetic layer 34, an outer scraper 35, an ear plate 36, a first bolt 37 and a wiping block 38, wherein the extension plate 30 is symmetrically arranged at the right end of the inner supporting plate 25 in the front-back direction, the extension plate 30 is positioned above the base 24, a second through hole is formed in the outer side end of the extension plate 30, the connecting piece 31 is arranged in the second through hole in a sliding fit mode, the left end of the connecting piece 31 is connected with the right end face of the convex plate 32, the semicircular plate 33 is arranged at the inner side end of the convex plate 32, an arc-shaped groove is formed in the middle of the semicircular plate 33, the outer magnetic layer 34 is arranged in the arc-shaped groove, the outer scraper 35 is arranged in the middle of the outer magnetic layer 34, the outer scraper 35 is of a semicircular structure, the ear plates 36 are symmetrically arranged at the upper end and the lower end of the, the right end of the semicircular plate 33 and the left end of the extension plate 30 are provided with a wiping block 38, the wiping block 38 is of an elastic structure, after the middle seat 22 is completely separated from the pipe fitting, the semicircular plate 33 is pulled rightwards through a manual mode until the semicircular plate 33 is clamped and sleeved on the pipe fitting, then the two semicircular plates 33 are connected and fixed through a first bolt 37, at the moment, the outer scraper 35 is in contact with the outer surface of the pipe fitting, then the semicircular plate 33 is pulled leftwards along the pipe fitting through the manual mode, the semicircular plate 33 drives the outer scraper 35 to move synchronously, the outer scraper 35 cleans the outer surface of the pipe fitting, impurities generated by cleaning are synchronously adsorbed by the outer magnetic layer 34, meanwhile, the wiping block 38 moves synchronously along with the semicircular plate 33 and wipes cleaned sections of the outer surface of the pipe fitting, so as to achieve a certain polishing effect, further, the smoothness degree of the outer surface of the pipe fitting is improved, and the probability that the impurities generated by cleaning are re-attached, meanwhile, the accumulation phenomenon of impurities and the inside of the pipe fitting can be avoided.
The right end surface of the semicircular plate 33 is provided with a first groove, the first groove is of an arc structure, an arc electric sliding block 330 is arranged in the first groove in a sliding fit mode, the right end of the arc electric sliding block 330 is provided with a second groove, a clamping block 331 is clamped in the second groove, the right end of the clamping block 331 is provided with an arc plate 332, the wiping block 38 is connected between the middle parts of the arc plates 332, when the semicircular plates 33 are fixed and clamped on a pipe, the elastic wiping block 38 tightly sleeves the pipe, in the process that the outer surface of the pipe is cleaned by the outer scraper 35, the arc plate 332 is driven to rotate in a reciprocating forward and reverse mode by the arc electric sliding block 330, the arc plate 332 drives the wiping block 38 to move synchronously, the wiping degree of the cleaned section of the outer surface of the pipe by the wiping block 38 is improved, the probability that the outer surface of the pipe is in a rough state is greatly reduced, the movable connection mode between the clamping block 331 and the arc electric sliding block 330 can facilitate timely detachment, thereby maintaining the wiping effect of the wipe block 38.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.
Claims (7)
1. The utility model provides a plastic-coated steel tube production technology, its uses a plastic-coated steel tube apparatus for producing, and this plastic-coated steel tube apparatus for producing includes workstation (1), clear mechanism (2) and clear unit (3) outward, its characterized in that: the specific production process for producing the plastic-coated steel pipe by adopting the plastic-coated steel pipe production device is as follows:
s1, positioning the pipe fitting: the pipe fitting is manually placed on the middle seat (22) and the left end of the pipe fitting is attached to the limiting plate (20);
s2, internal cleaning preparation: the middle piece (26) is pushed leftwards in a manual mode, the inner circular plate (27) drives the inner scraping plate (29) to move synchronously with the middle piece (26), after the inner circular plate (27) enters the pipe fitting for a certain distance, the base (24) is driven to move leftwards through the second electric sliding block (23), and the base (24) drives the inner supporting plate (25) to move synchronously until the left end of the inner supporting plate (25) is clamped into the pipe fitting;
s3, cleaning the inner surface of the pipe fitting: in the process that the inner circular plate (27) moves in the pipe fitting, the inner scraper (29) synchronously cleans the inner surface of the pipe fitting, the scraped impurities can be synchronously adsorbed on the inner magnetic layer (28), and the inner supporting plate (25) gradually and synchronously extends into the pipe to the maximum extent along with the penetration of the inner circular plate (27) in the pipe fitting;
s4, preparing for external cleaning: under the support of an inner supporting plate (25) to the inside of a pipe fitting, a first electric sliding block (21) drives a middle seat (22) to move downwards until the upper end face of the middle seat (22) is flush with the upper end face of a workbench (1), then a semicircular plate (33) is pulled rightwards in a manual mode until the semicircular plate (33) is clamped and sleeved on the pipe fitting, then two semicircular plates (33) are connected and fixed through a first bolt (37), and at the moment, an outer scraper (35) is in contact with the outer surface of the pipe fitting;
s5, cleaning the outer surface of the pipe fitting: the semicircular plate (33) is pulled leftwards along the pipe fitting to be integrated in a manual mode, the semicircular plate (33) drives the outer scraper (35) to move synchronously, the outer scraper (35) cleans the outer surface of the pipe fitting, clean impurities are synchronously adsorbed by the outer magnetic layer (34), and meanwhile, the wiping block (38) wipes the cleaned section of the outer surface of the pipe fitting along with the synchronous movement of the semicircular plate (33);
s6, pipe fitting plastic coating forming: welding a plastic anti-corrosion layer on the inner and outer surfaces of the pipe fitting which is integrally cleaned through spraying, rolling, soaking and absorbing processes, and finishing the molding of the plastic-coated steel pipe;
the working table (1) is arranged on the existing working ground, the upper end of the working table (1) is provided with an inner cleaning mechanism (2), and the right end of the inner cleaning mechanism (2) is provided with an outer cleaning unit (3);
the inner cleaning mechanism (2) comprises a limiting plate (20), a first electric slider (21), a middle seat (22), a second electric slider (23), a base (24), an inner supporting plate (25), a middle piece (26), an inner circular plate (27), an inner magnetic layer (28) and an inner scraper (29), wherein the limiting plate (20) is arranged at the upper left end of the workbench (1), a rectangular through groove is formed right of the limiting plate (20), the rectangular through groove is formed in the upper end of the workbench (1), the first electric slider (21) is installed on the left inner side wall and the right inner side wall of the rectangular through groove in a sliding fit mode, the middle seat (22) is installed between the first electric sliders (21), the second electric slider (23) is arranged right of the middle seat (22), the second electric slider (23) is installed at the upper end of the workbench (1) in a sliding fit mode, the base (24) is installed at the upper end of the second electric slider (23, the upper end of the base (24) is connected with the right end of the inner supporting plate (25), a through hole is formed in the middle of the right end face of the inner supporting plate (25), a middle part (26) is installed in the through hole in a sliding fit mode, an inner circular plate (27) is installed at the left end of the middle part (26), the middle part of the inner circular plate (27) is of an inward concave structure, an inner magnetic layer (28) is installed in the middle part of the inner circular plate (27), an inner scraper blade (29) is installed in the middle part of the inner magnetic layer (28), and the inner scraper blade (29) is of an annular structure;
the outer cleaning unit (3) comprises an extension plate (30), a connecting piece (31), a convex plate (32), a semicircular plate (33), an outer magnetic layer (34), an outer scraper blade (35), an ear plate (36), a first bolt (37) and a wiping block (38), the extension plate (30) is symmetrically arranged at the right end of the inner supporting plate (25) in the front-back direction, the extension plate (30) is positioned above the base (24), a second through hole is formed in the outer side end of the extension plate (30), the connecting piece (31) is arranged in the second through hole in a sliding fit mode, the left end of the connecting piece (31) is connected with the right end face of the convex plate (32), the semicircular plate (33) is arranged at the inner side end of the convex plate (32), an arc-shaped groove is formed in the middle of the semicircular plate (33), the outer magnetic layer (34) is arranged in the arc-shaped groove, the outer scraper blade (35) is arranged in the middle of the outer magnetic layer (, the upper end and the lower end of the outer annular surface of the semicircular plate (33) are symmetrically provided with lug plates (36), a first bolt (37) is arranged between the front lug plate and the rear lug plate (36) which are right opposite in a threaded matching mode, a wiping block (38) is arranged between the right end of the semicircular plate (33) and the left end of the extension plate (30), and the wiping block (38) is of an elastic structure.
2. The plastic-coated steel tube production process according to claim 1, characterized in that: the inner circular plate (27) comprises a convex circular table (272) and a second bolt (271), the convex circular table (272) is vertically arranged, the convex end of the convex circular table (272) faces the inner side, the convex circular table (272) is connected with each other through the second bolt (271), the second bolt (271) is evenly distributed along the circumferential direction of the convex circular table (272), the second bolt (271) is arranged around the middle piece (26), and the right end face of the convex circular table (272) at the right end of the second bolt (271) is connected with the left end of the middle piece (26).
3. The plastic-coated steel tube production process according to claim 2, characterized in that: the ring surface of the outer side end of the convex circular truncated cone (272) is provided with a pair of lug seats (273), the pair of lug seats (273) are uniformly distributed along the circumferential direction of the convex circular truncated cone (272), and the middle part of the pair of lug seats (273) is rotatably provided with a roller (274).
4. The plastic-coated steel tube production process according to claim 1, characterized in that: the right-hand member face of semicircle board (33) seted up a recess, a recess is the circular arc structure, install circular arc electronic slider (330) through the sliding fit mode in the recess, No. two recesses have been seted up to the right-hand member of circular arc electronic slider (330), the joint has fixture block (331) in No. two recesses, circular arc board (332) are installed to the right-hand member of fixture block (331), wipe piece (38) and connect between the middle part of circular arc board (332).
5. The plastic-coated steel tube production process according to claim 1, characterized in that: the intermediate part (26) and the connecting part (31) are steel wire cables which are formed by weaving a plurality of steel wire ropes according to corresponding rules.
6. The plastic-coated steel tube production process according to claim 1, characterized in that: the rubber layers are mounted on the upper end face of the middle seat (22) and the right end face of the limiting plate (20).
7. The plastic-coated steel tube production process according to claim 1, characterized in that: limiting plate (20) suit in the upper end of round bar (200), rotate between the lower extreme of round bar (200) and the inside lower extreme of ladder round hole and be connected, the ladder round hole is seted up in the upper end of workstation (1), circle cover (201) is installed through the screw-thread fit mode in the inside upper end of ladder round hole, links to each other through the screw-thread fit mode between the interior anchor ring of circle cover (201) and round bar (200).
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110082066.XA CN112893044A (en) | 2021-01-21 | 2021-01-21 | Plastic-coated steel pipe production process |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110082066.XA CN112893044A (en) | 2021-01-21 | 2021-01-21 | Plastic-coated steel pipe production process |
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| CN112893044A true CN112893044A (en) | 2021-06-04 |
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| CN202110082066.XA Withdrawn CN112893044A (en) | 2021-01-21 | 2021-01-21 | Plastic-coated steel pipe production process |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113843128A (en) * | 2021-09-23 | 2021-12-28 | 张家港市中联建设机械有限公司 | Tower crane standard knot and anti-corrosion spraying process thereof |
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| CN107414651A (en) * | 2017-08-16 | 2017-12-01 | 张大伟 | A kind of building steel tube inside and outside wall polishing derusting device |
| CN107738167A (en) * | 2017-11-01 | 2018-02-27 | 宁波高新区峰林化工科技有限公司 | A kind of steel pipe inside and outside wall while sanding apparatus |
| CN211661800U (en) * | 2020-03-16 | 2020-10-13 | 知与（杭州）科技有限公司 | Building steel pipe inside and outside wall rust cleaning device that polishes |
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- 2021-01-21 CN CN202110082066.XA patent/CN112893044A/en not_active Withdrawn
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107414651A (en) * | 2017-08-16 | 2017-12-01 | 张大伟 | A kind of building steel tube inside and outside wall polishing derusting device |
| CN107738167A (en) * | 2017-11-01 | 2018-02-27 | 宁波高新区峰林化工科技有限公司 | A kind of steel pipe inside and outside wall while sanding apparatus |
| CN211661800U (en) * | 2020-03-16 | 2020-10-13 | 知与（杭州）科技有限公司 | Building steel pipe inside and outside wall rust cleaning device that polishes |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN113843128A (en) * | 2021-09-23 | 2021-12-28 | 张家港市中联建设机械有限公司 | Tower crane standard knot and anti-corrosion spraying process thereof |
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