CN112894254A - Method for manufacturing large-diameter anti-corrosion plastic-coated steel pipe - Google Patents
Method for manufacturing large-diameter anti-corrosion plastic-coated steel pipe Download PDFInfo
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- CN112894254A CN112894254A CN202110136126.1A CN202110136126A CN112894254A CN 112894254 A CN112894254 A CN 112894254A CN 202110136126 A CN202110136126 A CN 202110136126A CN 112894254 A CN112894254 A CN 112894254A
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- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 146
- 239000010959 steel Substances 0.000 title claims abstract description 146
- 239000004033 plastic Substances 0.000 title claims abstract description 139
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 31
- 238000000034 method Methods 0.000 title claims abstract description 31
- 238000005260 corrosion Methods 0.000 title claims abstract description 26
- 238000003466 welding Methods 0.000 claims abstract description 112
- 230000005540 biological transmission Effects 0.000 claims description 13
- 239000000463 material Substances 0.000 claims description 6
- 238000005096 rolling process Methods 0.000 claims description 4
- 238000002791 soaking Methods 0.000 claims description 4
- 238000005507 spraying Methods 0.000 claims description 4
- 230000001681 protective effect Effects 0.000 claims description 3
- 239000000758 substrate Substances 0.000 claims description 3
- 238000007689 inspection Methods 0.000 claims description 2
- 230000002146 bilateral effect Effects 0.000 claims 2
- 238000009434 installation Methods 0.000 claims 2
- 230000000694 effects Effects 0.000 abstract description 8
- 235000017166 Bambusa arundinacea Nutrition 0.000 description 3
- 235000017491 Bambusa tulda Nutrition 0.000 description 3
- 241001330002 Bambuseae Species 0.000 description 3
- 235000015334 Phyllostachys viridis Nutrition 0.000 description 3
- 239000011425 bamboo Substances 0.000 description 3
- 239000002131 composite material Substances 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 230000032683 aging Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 244000309464 bull Species 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 239000011435 rock Substances 0.000 description 1
- 239000013535 sea water Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K37/00—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups
- B23K37/04—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups for holding or positioning work
- B23K37/053—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups for holding or positioning work aligning cylindrical work; Clamping devices therefor
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K31/00—Processes relevant to this subclass, specially adapted for particular articles or purposes, but not covered by only one of the preceding main groups
- B23K31/02—Processes relevant to this subclass, specially adapted for particular articles or purposes, but not covered by only one of the preceding main groups relating to soldering or welding
Abstract
The invention relates to a method for manufacturing a large-caliber anti-corrosion plastic-coated steel pipe, which adopts a device for manufacturing the large-caliber anti-corrosion plastic-coated steel pipe, wherein the device for manufacturing the large-caliber anti-corrosion plastic-coated steel pipe comprises a base, a bearing mechanism, a sliding bottom plate, an adjusting mechanism, a welding mechanism and a driving mechanism, the bearing mechanism is arranged in the middle of the upper end surface of the base, the sliding bottom plates are arranged on the left side and the right side of the bearing mechanism on the upper end surface of the base in a left-right sliding fit manner, and the adjusting mechanism, the welding mechanism and the driving mechanism are sequentially arranged on the upper end surface of the sliding bottom plate from back; the invention can solve the problems existing in the process of welding the flange and the large-caliber anti-corrosion plastic-coated steel pipe in a manual mode: the plastic-coated steel pipe and the flange are easy to shake, so that the effect of welding the flange and the plastic-coated steel pipe is reduced; the efficiency of manual welding between the flange and the plastic-coated steel pipe is low, and the like.
Description
Technical Field
The invention relates to the field of plastic-coated steel pipe manufacturing, in particular to a method for manufacturing a large-caliber anti-corrosion plastic-coated steel pipe.
Background
The plastic-coated steel pipe, also known as plastic-coated pipe, steel-plastic composite pipe and plastic-coated composite steel pipe, is a steel-plastic composite steel pipe which uses steel pipe as base body and adopts the processes of spraying, rolling, soaking and absorbing to weld a plastic anticorrosive layer on the inner surface of the steel pipe (bottom pipe) or weld a plastic anticorrosive layer on the inner and outer surfaces of the steel pipe. The plastic-coated steel pipe also comprises a large-diameter plastic-coated steel pipe, the large-diameter plastic-coated steel pipe is widely used in seawater treatment, quicksand engineering, ocean engineering, chemical pollution discharge and other engineering, and has the advantages of high strength, good toughness, aging resistance, corrosion resistance, long service life, good associativity with a heat insulation layer and the like, and flanges are usually welded at two ends of the large-diameter plastic-coated steel pipe, so that the large-diameter plastic-coated steel pipe welded with the flanges can be conveniently and subsequently installed and connected, and therefore the welding of the flanges at two sides of the plastic-coated steel pipe is particularly important;
in the prior art, flanges are welded on two sides of a large-caliber anti-corrosion plastic-coated steel pipe usually in a manual mode, however, the following problems generally exist in the process:
1. when the flange and the plastic-coated steel pipe are welded manually, the plastic-coated steel pipe and the flange are usually placed at the upper end of the support bracket firstly, and then the flange is welded on the two sides of the plastic-coated steel pipe manually, however, the support bracket is difficult to stably clamp the plastic-coated steel pipe and the flange, so that the plastic-coated steel pipe and the flange are easy to shake in the welding process, and the welding effect between the flange and the plastic-coated steel pipe is reduced;
2. the prior art can only weld one side of plastic-coated steel pipe usually simultaneously, and the in-process of welding between flange and the plastic-coated steel pipe needs to move incessantly and change the welding position for manual, therefore manual carries out the welded efficiency between flange and the plastic-coated steel pipe and is lower, and welding operation personnel leads to its working strength higher because of need incessantly move the position.
Disclosure of Invention
In order to solve the problems, the invention provides a method for manufacturing a large-caliber anti-corrosion plastic-coated steel pipe, which adopts a device for manufacturing the large-caliber anti-corrosion plastic-coated steel pipe, wherein the device for manufacturing the large-caliber anti-corrosion plastic-coated steel pipe comprises a base, a bearing mechanism, a sliding bottom plate, an adjusting mechanism, a welding mechanism and a driving mechanism, the bearing mechanism is arranged in the middle of the upper end surface of the base, the sliding bottom plates are arranged on the left side and the right side of the bearing mechanism on the upper end surface of the base in a left-right sliding fit manner, and the adjusting mechanism, the welding mechanism and the driving mechanism are sequentially arranged on the upper end surface of the sliding bottom plate from back;
the welding mechanism comprises supporting side plates, rotating blocks, inner clamping branched chains, driven gears, transmission racks, gear plates, gear rods, rotating gears, a rotating motor, a double-shaft motor, rotating round blocks, electric welding rods and an electric welding gun, wherein the middle parts of the upper end surfaces of the sliding bottom plates are respectively provided with the supporting side plates, the opposite sides of the upper ends of the supporting side plates are respectively provided with the rotating blocks through rotating fit, the opposite sides of the upper ends of the rotating blocks are respectively provided with the inner clamping branched chains, the outer side surfaces of the rotating blocks are respectively provided with the driven gears through rotating fit, T-shaped chutes are formed in the upper ends of the driven gears, the transmission racks are arranged in the T-shaped chutes through left-right sliding fit, the gear plates are symmetrically arranged below the transmission racks on one side surface of the driven gears close to the supporting side plates, the gear rods are arranged between the gear plates through rotating fit, the outer side, the rotary motor is connected with the driven gear through a motor base, rectangular mounting grooves are formed in the opposite sides of the transmission rack, a double-shaft motor is arranged in the middle of each rectangular mounting groove through the motor base, rotary round blocks are arranged on output shafts of the double-shaft motors, welding electrodes are detachably arranged at the lower ends of the rotary round blocks on the front side, and welding guns are arranged at the lower ends of the rotary round blocks on the rear side;
the inner clamping branched chain comprises a supporting cylinder, a driving cylinder, a pushing block and a clamping block, wherein the supporting cylinder is arranged on the right side surface of the rotating block, the supporting cylinder is of a hollow cylindrical structure, the driving cylinder is arranged on the left side inside the supporting cylinder, the pushing block is arranged at the right end of the driving cylinder, the pushing block is arranged in a manner that the right side of the pushing block inclines inwards, clamping grooves are uniformly formed in the outer side surface of the right side of the supporting cylinder, the clamping block is arranged in the clamping grooves in a sliding fit mode inside and outside, and one side, close to the pushing block, of the clamping block corresponds to;
the manufacturing device of the large-caliber anti-corrosion plastic-coated steel pipe comprises the following steps:
s1, manufacturing plastic-coated steel pipes: taking a steel pipe as a substrate, carrying out spraying, rolling, soaking and absorbing processes on the steel pipe to weld plastic anticorrosive layers on the inner surface and the outer surface of the steel pipe, and then obtaining a plastic-coated steel pipe;
s2, device check: before starting the large-caliber anti-corrosion plastic-coated steel pipe manufacturing device, carrying out routine inspection on the device before operation;
s3, placing materials: placing the plastic-coated steel pipe obtained in the step S1 at the upper end of the supporting mechanism, enabling the plastic-coated steel pipe to be limited by the supporting mechanism, and sleeving the flange plate on the outer side of the inner clamping branched chain to enable the flange to be clamped by the inner clamping branched chain;
s4, welding: the distance between the welding mechanism and the plastic-coated steel pipe is adjusted through the adjusting mechanism, and then the flange can be welded on the plastic-coated steel pipe through the welding mechanism;
s5, checking and warehousing: after the plastic-coated steel pipe is welded with the flange, the welded plastic-coated steel pipe is not limited by the supporting mechanism any more, and finally the plastic-coated steel pipe is taken out and is inspected and stored in a warehouse.
According to a preferred technical scheme, the bearing mechanism comprises a bearing seat, limiting half rings, limiting bars, limiting blocks, limiting rods and a sliding plate, the bearing seat is arranged in the middle of the upper end face of the base and on the left side and the right side of the upper end face of the base, the upper end of the bearing seat is of an arc-shaped structure, the limiting half rings are arranged at the upper end of the bearing seat through hinges, the front ends of the limiting half rings are connected through the limiting bars, the limiting blocks are arranged on the rear sides of the bearing seats on the left side and the right side of the bearing seat, limiting through holes are formed in the left side and the right side of the limiting bars and the upper end of the limiting blocks, the limiting rods are inserted into.
According to a preferred technical scheme, the adjusting mechanism comprises screw side plates, a double-thread screw, driven blocks and an adjusting motor, the screw side plates are symmetrically arranged on the left side and the right side of the upper end face of the base, the double-thread screw is arranged between the screw side plates in a rotating fit mode, the thread directions of the left side and the right side of the double-thread screw are opposite, the driven blocks are symmetrically arranged on the outer side face of the double-thread screw in a left-right mode in a threaded fit mode, the lower ends of the driven blocks are connected with the sliding bottom plate, the adjusting motor penetrates through the screw side plates on the right side of the double-thread screw, and the adjusting motor is.
According to a preferred technical scheme, the driving mechanism comprises gear side plates, driving rotating rods, driving gears, rotating cylinders, spline rods and driving motors, the gear side plates are symmetrically arranged on the left and right of the front side of the sliding bottom plate, the driving rotating rods are arranged between the gear side plates on the upper end of the same sliding bottom plate in a rotating fit mode, the driving gears are arranged on the outer side faces of the driving rotating rods and are meshed with the driven gears, the right end of the driving rotating rod on the left side penetrates through the gear side plates to be provided with the rotating cylinders, the right side of the rotating cylinder is provided with the spline grooves, the spline rods are arranged in the spline grooves in a left-right sliding fit mode, the right end of the spline rod is arranged on the left side of the driving rotating rod on the right side, the right side of the driving rotating rod on the.
As a preferable technical scheme of the invention, the upper end of the bearing seat and the lower end of the limiting semi-ring are both provided with a protective pad made of elastic rubber.
As a preferred technical scheme of the invention, the upper end of the base is provided with T-shaped grooves below the sliding bottom plate, the lower end surface of the sliding bottom plate is provided with T-shaped bulges corresponding to the T-shaped grooves, and the T-shaped bulges are arranged in the T-shaped grooves in a sliding fit manner
The invention has the beneficial effects that:
the invention can solve the following problems in the process of welding flanges on two sides of a large-caliber anticorrosive plastic-coated steel pipe in a manual mode: a. when the flange and the plastic-coated steel pipe are welded manually, the plastic-coated steel pipe and the flange are usually placed at the upper end of the support bracket firstly, and then the flange is welded on the two sides of the plastic-coated steel pipe manually, however, the support bracket is difficult to stably clamp the plastic-coated steel pipe and the flange, so that the plastic-coated steel pipe and the flange are easy to shake in the welding process, and the welding effect between the flange and the plastic-coated steel pipe is reduced; b. in the prior art, only one side of a plastic-coated steel pipe can be welded at the same time, and the welding position needs to be changed without stopping during the process of manually welding the flange and the plastic-coated steel pipe, so that the efficiency of manually welding the flange and the plastic-coated steel pipe is low, and the working strength of a welding operator is high due to the fact that the position needs to be moved without stopping;
the plastic-coated steel pipe and the flange can be clamped and limited through the welding mechanism and the bearing mechanism, so that the plastic-coated steel pipe and the flange can be prevented from shaking in the welding process, and the effect of welding the flange and the plastic-coated steel pipe is prevented from being reduced due to shaking in the welding process;
thirdly, the welding mechanism can weld the two sides of the steel pipe at the same time without manual welding, thereby improving the efficiency of welding the plastic-coated steel pipe and the flange and reducing the working strength of welding operators.
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 structural view of the present invention;
FIG. 3 is a schematic view of the present invention except for the welding mechanism (from the rear to the front);
FIG. 4 is a schematic view of the structure of the present invention between the support side plate, the inner clamping branch, the driven gear, the driving rack, the dual-axis motor, the rotary round block, the welding electrode, the welding gun, the base and the sliding bottom plate;
FIG. 5 is a schematic view of the present invention except for and between the inner clamping arm and the electric welding gun;
FIG. 6 is a schematic diagram of the structure of the internal holding branch of the present invention;
fig. 7 is a schematic view of the structure between the flange and the plastic-coated steel pipe according to the present invention.
In the figure, 1, a base; 2. a support mechanism; 3. a sliding bottom plate; 4. an adjustment mechanism; 5. a welding mechanism; 6. a drive mechanism; 21. a bearing seat; 22. an arc-shaped structure; 23. a limiting semi-ring; 24. a limiting strip; 25. a limiting block; 26. a limiting rod; 27. a material sliding plate; 41. a lead screw side plate; 42. a double-threaded lead screw; 43. a driven block; 44. adjusting the motor; 51. supporting the side plates; 52. rotating the block; 53. internal clamping of the branched chain; 54. a driven gear; 55. a drive rack; 56. a gear plate; 57. a gear lever; 58. a rotating gear; 59. a rotating electric machine; 510. a double-shaft motor; 511. rotating the round block; 512. welding electrodes; 513. an electric welding gun; 531. a support cylinder; 532. a driving cylinder; 533. a pushing block; 534. a clamping block; 61. a gear side plate; 62. an active rotating rod; 63. a driving gear; 64. a rotating cylinder; 65. a spline bar; 66. the motor is driven.
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 as defined and covered by the claims.
As shown in fig. 1 to 7, a method for manufacturing a large-diameter anti-corrosion plastic-coated steel pipe adopts a device for manufacturing a large-diameter anti-corrosion plastic-coated steel pipe, the device for manufacturing a large-diameter anti-corrosion plastic-coated steel pipe comprises a base 1, a supporting mechanism 2, a sliding bottom plate 3, an adjusting mechanism 4, a welding mechanism 5 and a driving mechanism 6, the supporting mechanism 2 is arranged in the middle of the upper end face of the base 1, the sliding bottom plate 3 is arranged on the left side and the right side of the supporting mechanism 2 on the upper end face of the base 1 in a left-right sliding fit manner, and the adjusting mechanism 4, the welding mechanism 5 and the driving mechanism 6 are sequentially arranged on the upper end face of the sliding bottom plate 3 from back to front;
when the device works specifically, the flange and the plastic-coated steel pipe can be clamped and limited, and two sides of the plastic-coated steel pipe can be welded simultaneously without manual operation; firstly, placing the plastic-coated steel pipe on the upper end of the supporting mechanism 2, then placing the plastic-coated steel pipe on the upper end of the supporting mechanism 2, enabling the plastic-coated steel pipe to be limited by the supporting mechanism 2, then sleeving the flange plate on the outer side of the inner clamping branched chain 53, enabling the flange plate to be clamped by the inner clamping branched chain 53, the plastic-coated steel pipe and the flange are limited, so that the plastic-coated steel pipe and the flange can be prevented from shaking in the welding process, the distance between the welding mechanism 5 and the flange and the plastic-coated steel pipe is adjusted by the adjusting mechanism 4, then the flange can be welded on the plastic-coated steel pipe through the welding mechanism 5, the two sides of the plastic-coated steel pipe can be welded simultaneously through the welding mechanism 5, thereby improving the efficiency of welding the flanges on the two sides of the plastic-coated steel pipe, after the plastic-coated steel pipe is welded with the flanges, the welded plastic-coated steel pipe is not limited any more by the supporting mechanism 2, and finally the welded plastic-coated steel pipe is taken out from the upper end of the supporting mechanism 2.
The supporting mechanism 2 comprises a supporting seat 21, a limiting half ring 22, a limiting strip 23, a limiting block 24, a limiting rod 25 and a sliding plate 26, the supporting seat 21 is arranged in the middle of the upper end face of the base 1 and on the left and right sides of the upper end face of the base, the upper end of the supporting seat 21 is of an arc-shaped structure 22, the limiting half ring 22 is arranged at the upper end of the supporting seat 21 through a hinge, the front ends of the limiting half rings 22 are connected through the limiting strip 23, the limiting block 24 is arranged on the rear side of the supporting seat 21 on the left and right sides of the supporting seat, limiting through holes are formed in the left and right sides of the limiting strip 23 and the upper end of the limiting block 24, the limiting rod 25 is inserted into the limiting through holes;
during specific work, the supporting mechanism 2 can support and clamp the plastic-coated steel pipe; firstly, the limiting rod 25 is pulled out upwards, then the limiting half ring 22 is driven to turn forwards through the limiting strip 23, then the plastic-coated steel pipe is placed on the inner side of the arc-shaped structure 22 at the upper end of the bearing seat 21, then the flange is placed on the inner side of the welding mechanism 5, so that the welding mechanism 5 can clamp the flange, then the adjusting mechanism 4 can simultaneously drive the flanges at the left side and the right side to move towards the middle part, so that the flange in moving can push and adjust the placing position of the plastic-coated steel pipe, so that the plastic-coated steel pipe can be placed in the middle, then the limiting half ring 22 is driven to turn backwards through the limiting strip 23, finally the limiting rod 25 is inserted into the limiting through hole downwards from the upper end of the limiting strip 23, so that the limiting rod 25 can limit the limiting strip 23 and the limiting half ring 22, and at the limiting half ring 22 can clamp and limit the plastic-, the plastic-coated steel pipe is clamped and limited, so that the welding effect of the plastic-coated steel pipe can be prevented from being reduced due to shaking in the subsequent welding process, and after the plastic-coated steel pipe and the flange are welded, the welded plastic-coated steel pipe is taken out and rolls down along the material sliding plate 26.
The upper end of the bearing seat 21 and the lower end of the limiting half ring 22 are both provided with a protective pad made of elastic rubber;
when the concrete during operation, carry out the centre gripping when spacing to the plastic-coated steel pipe when bearing seat 21 and spacing semi-ring 22 cooperation, the protection pad can avoid spacing ring and bearing seat 21 to damage the plastic-coated steel pipe, and the protection pad can increase the centre gripping effect to the plastic-coated steel pipe.
The adjusting mechanism 4 comprises screw side plates 41, double-thread screws 42, driven blocks 43 and adjusting motors 44, the screw side plates 41 are symmetrically arranged on the left side and the right side of the upper end surface of the base 1, the double-thread screws 42 are arranged between the screw side plates 41 in a rotating fit manner, the thread directions of the left side and the right side of the double-thread screws 42 are opposite, the driven blocks 43 are symmetrically arranged on the outer side surface of the double-thread screws 42 in a left-right manner in a threaded fit manner, the lower ends of the driven blocks 43 are connected with the sliding bottom plate 3, the adjusting motors 44 are arranged on the right side of the double-thread screws 42 through the screw side plates 41, and the adjusting motors 44;
during specific work, the adjusting mechanism 4 can drive the sliding bottom plate 3 to synchronously move towards the middle part; after the plastic-coated steel pipe is placed at the upper end of the bearing seat 21, the output shaft of the adjusting motor 44 rotates to drive the double-thread screw 42 to rotate, the double-thread screw 42 can drive the sliding base plate 3 to synchronously move inwards or outwards through the driven block 43 when rotating, at the moment, the sliding base plate 3 can drive the welding mechanism 5 to move, so that the welding mechanism 5 can drive the flange to push the plastic-coated steel pipe to adjust the position, the flange and the plastic-coated steel pipe can be in a proper welding position, and plastic-coated steel pipes with different lengths can be welded by adjusting the position of the welding mechanism 5, thereby increasing the applicability of the invention.
The upper end of the base 1 is provided with T-shaped grooves below the sliding bottom plate 3, the lower end face of the sliding bottom plate 3 is provided with T-shaped bulges corresponding to the T-shaped grooves, and the T-shaped bulges are arranged in the T-shaped grooves in a sliding fit manner;
during specific work, when the sliding bottom plate 3 moves along with the adjusting mechanism 4, the T-shaped protrusions in the T-shaped grooves can limit and guide the sliding bottom plate 3.
The welding mechanism 5 comprises a supporting side plate 51, a rotating block 52, an inner clamping branched chain 53, a driven gear 54, a transmission rack 55, a gear plate 56, a gear rod 57, a rotating gear 58, a rotating motor 59, a double-shaft motor 510, a rotating round block 511, an electric welding rod 512 and an electric welding gun 513, wherein the middle part of the upper end surface of the sliding bottom plate 3 is provided with the supporting side plate 51, the opposite sides of the upper end of the supporting side plate 51 are provided with the rotating block 52 in a rotating fit manner, the opposite sides of the rotating block 52 are provided with the inner clamping branched chain 53, the outer side surface of the rotating block 52 is provided with the driven gear 54 in a rotating fit manner, the upper end of the driven gear 54 is provided with a T-shaped sliding groove, the transmission rack 55 is arranged in the T-shaped sliding groove in a left-right sliding fit manner, the gear plates 56 are symmetrically arranged on the left side and the right side below the transmission, a rotating gear 58 is arranged on the outer side surface of the gear rod 57, a rotating motor 59 is arranged at the front end of the gear rod 57 and penetrates through the gear plate 56, the rotating motor 59 is connected with the driven gear 54 through a motor base, rectangular mounting grooves are formed in the opposite sides of the transmission rack 55, a double-shaft motor 510 is arranged in the middle of each rectangular mounting groove through the motor base, rotating round blocks 511 are arranged on output shafts of the double-shaft motors 510, electric welding rods 512 are detachably arranged at the lower ends of the rotating round blocks 511 at the front side, and electric welding guns 513 are arranged at the lower ends of the rotating round blocks 511;
during specific work, the welding mechanism 5 can clamp the flange and weld the flange after the position is adjusted; firstly, a flange is arranged on the inner side of an inner clamping branched chain 53, then a welding mechanism 5 can be driven by a sliding bottom plate 3 through an adjusting mechanism 4 to synchronously move inwards, after the flange moves to a proper position along with the inner clamping branched chain 53, an output shaft of a rotating motor 59 rotates to drive a gear rod 57 and a rotating gear 58 to rotate, the rotating gear 58 can drive a transmission rack 55 to adjust left and right when rotating, at the moment, the distance between an electric welding rod 512 and a welding gun 513 and the flange can be adjusted, then an output shaft of a double-shaft motor 510 rotates to drive a rotating round block 511, the electric welding rod 512 and the welding gun 513 to rotate, so that the angle between the electric welding gun 513 and the welding rod 512 which are aligned with the flange and a plastic-coated steel pipe can be adjusted, the distance and the angle between the electric welding gun 513 and the electric welding rod 512 can be accurately aligned with a welding area, thereby improving the welding quality and welding flanges, thereby improving the applicability of the invention; when welding between flange and the plastic-coated steel pipe is required, the driving mechanism 6 can drive the driven gear 54 to rotate, the driven gear 54 can drive the electric welding gun 513 and the electric welding rod 512 to rotate along the rotating block 52 when rotating, so that the welding treatment can be carried out on a circle of the flange and the plastic-coated steel pipe in the rotating process, the welding treatment can be simultaneously carried out on the two sides of the plastic-coated steel pipe through the welding mechanism 5, and the efficiency of welding between the flange and the plastic-coated steel pipe can be increased.
The inner clamping branched chain 53 comprises a supporting cylinder 531, a driving cylinder 532, a pushing block 533 and a clamping block 534, the supporting cylinder 531 is arranged on the right side surface of the rotating block 52, the supporting cylinder 531 is of a hollow cylindrical structure, the driving cylinder 532 is arranged on the left side inside the supporting cylinder 531, the pushing block 533 is arranged at the right end of the driving cylinder 532, the pushing block 533 is arranged in a manner that the right side is inclined inwards, clamping grooves are uniformly formed in the outer side surface of the right side of the supporting cylinder 531, the clamping block 534 is arranged in the clamping grooves in an inner-outer sliding fit manner, and one side, close to the pushing block 533, of the clamping block 534 corresponds to the inclined surface of the;
during specific work, the inner clamping branch chain 53 can clamp the flange inwards; at first establish the flange cover in the support section of thick bamboo 531 outside, then drive actuating cylinder 532 and can drive and promote piece 533 and promote to keeping away from drive actuating cylinder 532 one side, promote the piece 533 and can drive the synchronous outside flange inner wall of carrying out the centre gripping to grip of grip block 534 this moment, carry out the centre gripping through carrying out the flange and can avoid it to rock the skew because of taking place and influence its welding effect at the welded in-process.
The driving mechanism 6 comprises a gear side plate 61, a driving rotating rod 62, a driving gear 63, a rotating cylinder 64, a spline rod 65 and a driving motor 66, the gear side plates 61 are symmetrically arranged at the front side of the sliding bottom plate 3, and a driving rotating rod 62 is arranged between the gear side plates 61 at the upper end of the same sliding bottom plate 3 through rotating fit, a driving gear 63 is arranged on the outer side surface of the driving rotating rod 62, the driving gear 63 is engaged with the driven gear 54, the right end of the driving rotary rod 62 on the left side penetrates through the gear side plate 61 to be provided with a rotary cylinder 64, the right side of the rotary cylinder 64 is provided with a spline groove, a spline rod 65 is arranged in the spline groove in a left-right sliding fit manner, the right end of the spline rod 65 is installed on the left side of the right driving rotating rod 62, the right side of the right driving rotating rod 62 penetrates through the gear side plate 61 to be provided with a driving motor 66, and the driving motor 66 is installed at the upper end of the right sliding bottom plate 3 through a motor base;
during specific work, the driving mechanism 6 can drive the driven gear 54 to rotate; when welding between electric welding gun 513 and welding electrode 512 to flange and the plastic-coated steel pipe, the rotation of the output shaft of driving motor 66 can drive through initiative bull stick 62 and rotate a section of thick bamboo 64, spline rod 65 and driving gear 63 rotate, driving gear 63 can drive driven gear 54 to rotate when rotating, driven gear 54 can drive electric welding gun 513 and welding electrode 512 to welding between flange and the plastic-coated steel pipe when rotating, when adjustment mechanism 4 drives sliding bottom plate 3 and removes, spline rod 65 can be in rotating a section of thick bamboo 64 the horizontal slip.
The manufacturing device of the large-caliber anti-corrosion plastic-coated steel pipe comprises the following steps:
s1, manufacturing plastic-coated steel pipes: taking a steel pipe as a substrate, carrying out spraying, rolling, soaking and absorbing processes on the steel pipe to weld plastic anticorrosive layers on the inner surface and the outer surface of the steel pipe, and then obtaining a plastic-coated steel pipe;
s2, device check: before the manufacturing device of the large-caliber anti-corrosion plastic-coated steel pipe is started, the device is checked before operation;
s3, placing materials: placing the plastic-coated steel pipe obtained in the step S1 on the upper end of the supporting mechanism 2, so that the plastic-coated steel pipe is limited by the supporting mechanism 2, and then sleeving the flange plate on the outer side of the inner clamping branched chain 53, so that the flange is clamped by the inner clamping branched chain 53;
s4, welding: the distance between the welding mechanism 5 and the plastic-coated steel pipe is adjusted through the adjusting mechanism 4, and then the flange can be welded on the plastic-coated steel pipe through the welding mechanism 5;
s5, checking and warehousing: after the plastic-coated steel pipe is welded with the flange, the welded plastic-coated steel pipe is not limited by the supporting mechanism 2, and finally the plastic-coated steel pipe is taken out and is checked and stored.
According to the invention, the plastic-coated steel pipe and the flange can be clamped and limited through the welding mechanism 5 and the bearing mechanism 2, so that the plastic-coated steel pipe and the flange can be prevented from shaking in the welding process, and the effect of welding the flange and the plastic-coated steel pipe is prevented from being reduced due to shaking in the welding process; according to the invention, the welding mechanism 5 can be used for welding two sides of the steel pipe at the same time without manual welding, so that the efficiency of welding the plastic-coated steel pipe and the flange is improved, and the working strength of welding operators is reduced.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
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 (6)
1. The utility model provides a large-diameter anticorrosive plastic-coated steel pipe manufacturing approach, this large-diameter anticorrosive plastic-coated steel pipe manufacturing approach adopts following large-diameter anticorrosive plastic-coated steel pipe manufacturing installation, and this large-diameter anticorrosive plastic-coated steel pipe manufacturing installation includes base (1), bearing mechanism (2), sliding bottom plate (3), adjustment mechanism (4), welding mechanism (5) and actuating mechanism (6), its characterized in that: base (1) up end middle part be provided with bearing mechanism (2), be located bearing mechanism (2) the left and right sides on base (1) up end and all be provided with sliding bottom plate (3) through horizontal sliding fit, sliding bottom plate (3) up end is gone up and is followed the preceding adjustment mechanism (4), welding mechanism (5) and actuating mechanism (6) of having set gradually in the back, wherein:
the welding mechanism (5) comprises supporting side plates (51), rotating blocks (52), inner clamping branched chains (53), driven gears (54), transmission racks (55), gear plates (56), gear rods (57), rotating gears (58), a rotating motor (59), a double-shaft motor (510), rotating round blocks (511), electric welding rods (512) and electric welding guns (513), wherein the supporting side plates (51) are arranged in the middle of the upper end face of the sliding bottom plate (3), the rotating blocks (52) are arranged on opposite sides of the upper end of the supporting side plates (51) in a rotating fit mode, the inner clamping branched chains (53) are arranged on opposite sides of the rotating blocks (52), the driven gears (54) are arranged on the outer side faces of the rotating blocks (52) in a rotating fit mode, T-shaped sliding grooves are formed in the upper ends of the driven gears (54), the transmission racks (55) are arranged in the T-shaped sliding grooves in a left-right, gear plates (56) are arranged on one side face, close to the supporting side plate (51), of the driven gear (54) and located below the transmission rack (55) in a bilateral symmetry mode, gear rods (57) are arranged between the gear plates (56) in a rotating fit mode, rotating gears (58) are arranged on the outer side faces of the gear rods (57), the front ends of the gear rods (57) penetrate through the gear plates (56) to be provided with rotating motors (59), the rotating motors (59) are connected with the driven gear (54) through motor bases, rectangular mounting grooves are formed in the opposite sides of the transmission rack (55), double-shaft motors (510) are arranged in the middle of the rectangular mounting grooves through motor bases, rotating round blocks (511) are arranged on output shafts of the double-shaft motors (510), welding electrodes (512) are detachably arranged at the lower ends of the rotating round blocks (511) on the front side, and welding guns (513) are;
the inner clamping branched chain (53) comprises a supporting cylinder (531), a driving cylinder (532), a pushing block (533) and a clamping block (534), the supporting cylinder (531) is arranged on the right side surface of the rotating block (52), the supporting cylinder (531) is of a cylindrical structure with a hollow inner part, the driving cylinder (532) is arranged on the left side of the inner part of the supporting cylinder (531), the pushing block (533) is arranged at the right end of the driving cylinder (532), the pushing block (533) is arranged in a manner that the right side is inclined inwards, clamping grooves are uniformly formed in the outer side surface of the right side of the supporting cylinder (531), the clamping block (534) is arranged in the clamping grooves in a sliding fit mode through the inner side and the outer side, and one side, close to the pushing block (533), of the clamping block;
the manufacturing device of the large-caliber anti-corrosion plastic-coated steel pipe comprises the following steps:
s1, manufacturing plastic-coated steel pipes: taking a steel pipe as a substrate, carrying out spraying, rolling, soaking and absorbing processes on the steel pipe to weld plastic anticorrosive layers on the inner surface and the outer surface of the steel pipe, and then obtaining a plastic-coated steel pipe;
s2, device check: before starting the large-caliber anti-corrosion plastic-coated steel pipe manufacturing device, carrying out routine inspection on the device before operation;
s3, placing materials: placing the plastic-coated steel pipe obtained in the step S1 at the upper end of the supporting mechanism (2) to be limited by the supporting mechanism (2), and sleeving the flange plate on the outer side of the inner clamping branch chain (53) to clamp the flange by the inner clamping branch chain (53);
s4, welding: the distance between the welding mechanism (5) and the plastic-coated steel pipe is adjusted through the adjusting mechanism (4), and then the flange can be welded on the plastic-coated steel pipe through the welding mechanism (5);
s5, checking and warehousing: after the plastic-coated steel pipe is welded with the flange, the welded plastic-coated steel pipe is not limited by the supporting mechanism (2), and finally the plastic-coated steel pipe is taken out and is inspected and stored in a warehouse.
2. The method for manufacturing the large-caliber anti-corrosion plastic-coated steel pipe according to claim 1, characterized in that: the bearing mechanism (2) comprises a bearing seat (21), a limiting half ring (22), limiting strips (23), limiting blocks (24), limiting rods (25) and a sliding plate (26), wherein the bearing seat (21) is arranged in the middle of the upper end face of the base (1) and on the left side and the right side of the upper end face of the base, the upper end of the bearing seat (21) is of an arc-shaped structure (22), the limiting half ring (22) is arranged on the upper end of the bearing seat (21) through a hinge, the front ends of the limiting half ring (22) are connected through the limiting strips (23), the limiting blocks (24) are arranged on the rear sides of the bearing seat (21) on the left side and the right side of the bearing seat (21), limiting through holes are formed in the left side and the upper ends of the limiting strips (23), the limiting rods (25) are inserted into the limiting through holes, the sliding plate (26) is obliquely.
3. The method for manufacturing the large-caliber anti-corrosion plastic-coated steel pipe according to claim 1, characterized in that: adjustment mechanism (4) including lead screw curb plate (41), double thread lead screw (42), driven piece (43) and accommodate motor (44), base (1) up end left and right sides symmetry is provided with lead screw curb plate (41), be provided with double thread lead screw (42) through normal running fit between lead screw curb plate (41), the screw direction of double thread lead screw (42) left and right sides sets up for opposite, be provided with driven piece (43) through screw-thread fit bilateral symmetry on double thread lead screw (42) lateral surface, and driven piece (43) lower extreme all is connected with sliding bottom plate (3), double thread lead screw (42) right side is passed lead screw curb plate (41) and is provided with accommodate motor (44), accommodate motor (44) are installed on base (1) up end through the motor cabinet.
4. The method for manufacturing the large-caliber anti-corrosion plastic-coated steel pipe according to claim 1, characterized in that: the driving mechanism (6) comprises gear side plates (61), driving rotating rods (62), driving gears (63), rotating cylinders (64), spline rods (65) and a driving motor (66), wherein the front sides of the sliding bottom plates (3) are respectively and bilaterally symmetrically provided with the gear side plates (61), the driving rotating rods (62) are respectively arranged between the gear side plates (61) at the upper ends of the same sliding bottom plate (3) in a rotating fit manner, the driving gears (63) are arranged on the outer side surfaces of the driving rotating rods (62), the driving gears (63) are meshed with the driven gears (54), the right end of the driving rotating rod (62) at the left side penetrates through the gear side plates (61) to be provided with the rotating cylinders (64), the right side of each rotating cylinder (64) is provided with spline grooves, the spline rods (65) are arranged in the spline grooves in a left-right sliding fit manner, and the right ends of the, the right side of the driving rotating rod (62) on the right side penetrates through the gear side plate (61) to be provided with a driving motor (66), and the driving motor (66) is installed at the upper end of the sliding bottom plate (3) on the right side through a motor base.
5. The method for manufacturing the large-caliber anti-corrosion plastic-coated steel pipe according to claim 2, characterized in that: the upper end of the bearing seat (21) and the lower end of the limiting half ring (22) are provided with protective pads made of elastic rubber materials.
6. The method for manufacturing the large-caliber anti-corrosion plastic-coated steel pipe according to claim 1, characterized in that: the upper end of the base (1) is located below the sliding bottom plate (3) and is provided with a T-shaped groove, the lower end face of the sliding bottom plate (3) is provided with a T-shaped bulge corresponding to the T-shaped groove, and the T-shaped bulge is installed in the T-shaped groove in a sliding fit mode.
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| CN202110136126.1A CN112894254A (en) | 2021-02-01 | 2021-02-01 | Method for manufacturing large-diameter anti-corrosion plastic-coated steel pipe |
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| CN202110136126.1A CN112894254A (en) | 2021-02-01 | 2021-02-01 | Method for manufacturing large-diameter anti-corrosion plastic-coated steel pipe |
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Cited By (1)
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