CN116160100B - Plasma cutting device for automatic steel pipe feeding - Google Patents
Plasma cutting device for automatic steel pipe feeding Download PDFInfo
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- CN116160100B CN116160100B CN202310429961.3A CN202310429961A CN116160100B CN 116160100 B CN116160100 B CN 116160100B CN 202310429961 A CN202310429961 A CN 202310429961A CN 116160100 B CN116160100 B CN 116160100B
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- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 164
- 239000010959 steel Substances 0.000 title claims abstract description 164
- 238000005520 cutting process Methods 0.000 title claims abstract description 109
- 230000005540 biological transmission Effects 0.000 claims abstract description 30
- 230000000007 visual effect Effects 0.000 claims abstract description 11
- 238000005259 measurement Methods 0.000 claims abstract description 9
- 238000003754 machining Methods 0.000 claims abstract description 4
- 239000000779 smoke Substances 0.000 claims description 9
- 239000000428 dust Substances 0.000 description 6
- 238000012545 processing Methods 0.000 description 4
- 239000000463 material Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000001360 synchronised effect Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000002457 bidirectional effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
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Classifications
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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
- B23K10/00—Welding or cutting by means of a plasma
-
- 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
- B23K2101/00—Articles made by soldering, welding or cutting
- B23K2101/04—Tubular or hollow articles
- B23K2101/06—Tubes
-
- 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
- B23K2103/00—Materials to be soldered, welded or cut
- B23K2103/02—Iron or ferrous alloys
- B23K2103/04—Steel or steel alloys
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/10—Greenhouse gas [GHG] capture, material saving, heat recovery or other energy efficient measures, e.g. motor control, characterised by manufacturing processes, e.g. for rolling metal or metal working
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Plasma & Fusion (AREA)
- Mechanical Engineering (AREA)
- Arc Welding In General (AREA)
Abstract
The invention relates to the technical field of steel pipe machining devices, in particular to a plasma cutting device for automatically feeding steel pipes, which comprises a feeding mechanism, a section identification mechanism, a clamping length measurement mechanism, a plasma cutting mechanism and a stub bar collecting frame, wherein the feeding mechanism comprises a feeding bracket, a transmission system, a transmission frame and a U-shaped clamping piece, and the plasma cutting mechanism comprises 2 plasma cutting machines, 2 cutting machine moving seats, 1 cutting machine moving track, 2 roller moving seats, 1 roller moving track and a plurality of plasma cutting gun heads; the invention can realize automatic feeding of the steel pipe, the visual recognition system of the section recognition mechanism recognizes the outer diameter and the wall thickness of the steel pipe, the clamping length measuring mechanism measures the length of the steel pipe, and the steel pipe is matched with the data support required by the plasma cutting process.
Description
Technical Field
The invention relates to the technical field of steel pipe machining devices, in particular to a plasma cutting device for automatic steel pipe feeding.
Background
With the development of plasma technology and application, in the machining industry, steel pipe cutting is usually performed by using a plasma cutter. When one section of steel pipe is cut off, the steel pipe is required to be conveyed progressively, then the other section of steel pipe is cut off, and for the delivery work of the cut steel pipe, manual operation is adopted, so that the work efficiency is low.
Chinese patent CN 106216823B discloses a bidirectional synchronous clamping type plasma steel pipe cutting device, which can realize that a clamping mechanism can realize synchronous clamping to a steel pipe in two directions, and can realize fixed-distance delivery to the steel pipe by using a delivery clamping device, but the cutting device cannot automatically feed, and simultaneously, the cutting device rotationally clamps the steel pipe in the cutting process, so that the complexity and the precision requirement of the device are increased.
Based on the above, the invention provides a plasma cutting device for automatically feeding steel pipes.
Disclosure of Invention
Aiming at the defects of the prior art, the invention provides the plasma cutting device for automatically feeding the steel pipe, the transmission system can store the steel pipe and transmit the steel pipe to the transmission frame, the visual identification system identifies the outer diameter and the wall thickness of the steel pipe, the clamping length measuring mechanism measures the length of the steel pipe, and data support is provided for the cutting process of the steel pipe.
A plasma cutting device for automatic steel pipe feeding comprises a feeding mechanism, a section identification mechanism, a clamping length measuring mechanism, a plasma cutting mechanism and a stub bar collecting frame;
the feeding mechanism comprises a feeding bracket, a transmission system, a transmission frame and a U-shaped clamping piece, wherein the transmission system comprises a motor, a connecting shaft, a transmission gear and a chain, the chain is in a loose state and is in a U-shaped state in general and is used for storing steel pipes, when a general control system sends out a command to be fed, 2 motors are operated to drive the connecting shaft to rotate, the transmission gear is rotated to tighten the chain, and then the steel pipes are driven to be placed on the transmission frame according to the requirements of the general control system, and the rotation shaft is started according to the processing progress to adjust the angle of the transmission frame so that the steel pipes slide into the U-shaped clamping piece of the steel pipes;
the section identifying mechanism is provided with a visual identifying system, when the steel pipe slides into the U-shaped clamping piece of the steel pipe, the visual identifying system firstly shoots the end part of the steel pipe, then identifies the outer diameter and the wall thickness of the steel pipe, and transmits the steel pipe to the master control system to provide data support for the cutting process of the steel pipe;
the clamping length measuring mechanism is provided with a fixed clamp at one end close to the plasma cutting mechanism, a chuck is arranged at the other end, the chuck is fixed with a chuck moving seat, the chuck moving seat can move along the length direction of a chuck moving track, a steel pipe with a recognized section slides into a lifting carrier roller, the lifting carrier roller can adjust the position up and down so as to clamp the steel pipe by the chuck, and the steel pipe can move along the chuck moving track towards the fixed clamp until the other end of the steel pipe abuts against the fixed clamp, and the length of the steel pipe is measured through the fixed clamp and a sensor on the chuck, so far, the length and the section specification of the steel pipe are measured;
the plasma cutting mechanism comprises 2 plasma cutting machines, 2 cutting machine moving seats, 1 cutting machine moving track, 2 roller moving seats, 1 roller moving track, 2 smoke dust collectors and a plurality of plasma cutting gun heads, wherein the 2 roller moving seats move on the roller moving track according to the length of a steel pipe, the steel pipe to be cut is placed at the top of the 2 roller moving seats, the steel pipe is supported, according to an instruction sent by a general control system, the 2 plasma cutting machines move on the cutting machine moving track according to the length of a required finished steel pipe, the distance between the two is consistent with the length of the finished steel pipe, so that fixed-length cutting of the finished steel pipe is realized, and smoke dust generated by cutting is collected by the smoke dust collectors in the cutting process.
Further, the length of the finished steel pipe is realized through the interval between 2 plasma cutting machines, and when cutting, the angle between the plasma cutting gun head and the steel pipe is determined according to the instruction sent by the general control system, and for the steel pipe with the wall thickness not more than 4mm, the cutting angle is 90 degrees, the steel pipe with the wall thickness more than 4mm, the cutting angle is internally tangent at 45 degrees and beveling is performed.
Further, the chuck is provided with a cross concave clamping groove which is perpendicular to each other, 4 movable buckles are arranged in the chuck, when the movable buckles are close to the center of the cross concave clamping groove, the chuck does not have the function of clamping the steel pipe, when the chuck stretches into the end of the steel pipe, the master control system sends out instructions, the 4 movable buckles respectively move outwards from the center along the cross concave clamping groove, and the 4 movable buckles prop against the inner wall of the end of the steel pipe, so that the function of fixing the steel pipe is realized.
Further, the lifting carrier roller comprises 1 main roller, 4 auxiliary rollers, a lifting motor and a roller connecting piece, the main roller is arranged on the upper surface of a roller fixing frame through a roller shaft, the 4 auxiliary rollers are distributed in 2 rows, grooves formed by the 2 rows of auxiliary rollers are kept in alignment with the grooves in the middle of the 1 main roller, the roller fixing frame is connected with the lifting motor through the roller connecting piece, during operation, steel pipes are fixed between the auxiliary rollers and in the grooves in the middle of the main roller, the lifting motor drives the roller fixing frame to move up and down, the movement of the height of the steel pipes is realized, and the accuracy of section specification identification, length measurement and plasma cutting is ensured.
Further, the method comprises the following steps: the steel pipes are placed in a feeding mechanism in a bundled manner, the steel pipes are conveyed into a U-shaped clamping piece through a transmission system and a rotating shaft, the section of the steel pipes is identified by a section identification mechanism, length measurement is carried out through a clamping length measurement mechanism after the identification, finally, according to an instruction of a general control system, the steel pipes are cut into lengths required by processing by a plasma cutting mechanism, and the rest stub bars after cutting are stored in a stub bar collecting frame; and the steel pipe feeding, the section specification identification, the length measurement and the plasma cutting are realized, and finally the fixed-length and fixed-section steel pipe required by processing is output.
By adopting the technical scheme, compared with the prior art, the invention has the beneficial effects that:
the chain of the transmission system is normally in a loose state and is U-shaped, and can be used for storing the steel pipes, when the general control system sends out instructions to feed, the transmission gear rotates to tighten the chain, the rotation shaft adjusts the angle of the transmission frame, so that the steel pipes slide into the U-shaped clamping pieces of the steel pipes, and the visual recognition system is convenient for photographing and recognizing the ends of the steel pipes;
according to the invention, the steel pipe is clamped through the chuck and the fixing clamp, the 2 plasma cutting machines move along the moving track of the cutting machines, the distance between the chuck and the fixing clamp is consistent with the length of the finished steel pipe, and after a section of steel pipe is cut, the chuck moving seat continuously pushes the chuck and the steel pipe remainder to be abutted with the fixing clamp, so that the steel pipe does not need to be rotated in the cutting process.
The section identifying mechanism of the invention performs photographing identification on the end of the steel pipe through the visual identification system, transmits the outer diameter and the wall thickness of the steel pipe to the master control system, provides data support for the cutting process of the steel pipe, and selects the plasma cutting gun head with a corresponding angle so that the end of the finished steel pipe after cutting meets the quality requirement.
The clamping length measuring mechanism measures the length of the steel pipe, so that the total control system can calculate the number of sections which can be cut by the steel pipe, and invalid cutting is avoided.
The roller moving seat slides along the roller moving track, so that the steel pipe can be effectively and stably supported all the time through the movement of the roller moving seat in the process that the residual materials of the steel pipe are gradually shortened.
Drawings
FIG. 1 is a schematic diagram of the overall structure of the present invention;
fig. 2 is a schematic structural view of a feeding mechanism;
FIG. 3 is a schematic view of a partial structure of a feeding mechanism;
FIG. 4 is a schematic structural view of a section identifying mechanism;
FIG. 5 is a front isometric view of a clamping length measuring mechanism and a plasma cutting mechanism;
FIG. 6 is a rear isometric view of the clamping length measuring mechanism and the plasma cutting mechanism;
FIG. 7 is a schematic structural view of a plasma cutting mechanism;
FIG. 8 is a schematic structural view of a plasma cutting torch head;
FIG. 9 is a schematic structural view of a chuck;
fig. 10 is a schematic structural view of a lifting idler;
FIG. 11 is a flow chart of the overall control system of the present invention;
the device comprises the reference numerals, a 1-feeding mechanism, a 101-feeding bracket, a 102-motor, a 103-connecting shaft, a 104-transmission gear, a 105-chain, a 106-transmission frame, a 107-U-shaped clamping piece and a 108-rotating shaft;
2-a section recognition mechanism;
3-clamping length measuring mechanism, 301-chuck, 302-chuck moving seat, 303-chuck moving track, 304-lifting carrier roller, 305-movable buckle, 306-main roller, 307-roller fixing frame, 308-auxiliary roller, 309-lifting motor, 310-roller connecting piece and 311-fixed card;
4-plasma cutting mechanism, 401-plasma cutting machine, 402-cutting machine moving seat, 403-cutting machine moving track, 404-roller moving seat, 405-smoke collector, 406-roller moving track, 407-plasma cutting gun head;
5-a stub bar collecting frame.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is evident that the embodiments described are only some embodiments of the present invention, but not all embodiments. Other embodiments, or equivalents, which are apparent to those skilled in the art based on the examples provided herein, are intended to be within the scope of the invention.
As shown in fig. 1, the plasma cutting device for automatically feeding steel pipes comprises a feeding mechanism 1, a section identifying mechanism 2, a clamping length measuring mechanism 3, a plasma cutting mechanism 4 and a stub bar collecting frame 5;
as shown in fig. 2 and 3, the feeding mechanism 1 comprises a feeding bracket 101, a transmission system, a transmission frame 106 and a U-shaped clamping piece 107, wherein the transmission system comprises a motor 102, a connecting shaft 103, a transmission gear 104 and a chain 105, the chain 105 is in a loose state and is in a U-shape and is used for storing steel pipes, when a general control system sends out a command to feed, 2 motors 102 operate to drive the connecting shaft 103 to rotate, the transmission gear 104 rotates to tighten the chain 105, and then the steel pipes are driven to be placed on the transmission frame 106 according to the general control system, according to the processing progress, a rotating shaft 108 is started, the angle of the transmission frame 106 is adjusted, and the steel pipes slide into the U-shaped clamping piece 107 of the steel pipes;
as shown in fig. 4, the section identifying mechanism 2 is provided with a visual identifying system, when the steel pipe slides into the steel pipe U-shaped clamping piece 107, the visual identifying system firstly shoots the end part of the steel pipe, then identifies the outer diameter and the wall thickness of the steel pipe, and transmits the steel pipe to the master control system to provide data support for the cutting process of the steel pipe;
as shown in fig. 5, in the clamping length measuring mechanism 3, a fixing clamp 311 is arranged at one end close to the plasma cutting mechanism 4, a chuck 301 is arranged at the other end, the chuck 301 is fixed with a chuck moving seat 302, the chuck moving seat 302 can move along the length direction of a chuck moving track 303, a steel pipe with a recognized section slides into a lifting carrier roller 304, the lifting carrier roller 304 can adjust the position up and down, so that the chuck 301 clamps the steel pipe, and moves along the chuck moving track 303 towards the fixing clamp 311 until the other end of the steel pipe abuts against the fixing clamp 311, the length of the steel pipe is measured through sensors on the fixing clamp 311 and the chuck 301, and the length and the section specification of the steel pipe are measured;
as shown in fig. 6 and 7, the plasma cutting mechanism 4 comprises 2 plasma cutting machines 401, 2 cutting machine moving seats 402, 1 cutting machine moving track 403, 2 roller moving seats 404, 1 roller moving track 406, 2 smoke dust collectors 405 and a plurality of plasma cutting gun heads 407,2, wherein the roller moving seats 404 move on the roller moving track 406 according to the length of a steel pipe, the steel pipe to be cut is placed on the top of the 2 roller moving seats 404, the steel pipe is supported, according to an instruction sent by a general control system, the 2 plasma cutting machines 401 move on the cutting machine moving track 403 according to the length of a required finished steel pipe, the distance between the two is kept consistent with the length of the finished steel pipe, and therefore fixed-length cutting of the finished steel pipe is achieved, and smoke dust generated by cutting is collected by the smoke dust collectors 405 in the cutting process.
As shown in fig. 8, the length of the finished steel pipe is realized by the interval between 2 plasma cutting machines 401, and when cutting, the angle between the plasma cutting gun head 407 and the steel pipe is determined according to the instruction sent by the general control system, and for the steel pipe with the wall thickness not more than 4mm, the cutting angle is 90 degrees, the cutting angle is 45 degrees and the cutting angle is beveling.
As shown in fig. 9, the chuck 301 is provided with a cross concave clamping groove which is vertically intersected, 4 movable buckles 305 are installed in the chuck 301, when the movable buckles 305 are close to the center of the cross concave clamping groove, the chuck 301 does not have the function of clamping a steel pipe, when the chuck 301 stretches into the inner part of the end of the steel pipe, the master control system sends out instructions, the 4 movable buckles 305 respectively move outwards from the center along the cross concave clamping groove, and the 4 movable buckles 305 abut against the inner wall of the end of the steel pipe, so that the function of fixing the steel pipe is realized.
As shown in fig. 10, the lifting roller 304 includes 1 main roller 306, 4 auxiliary rollers 308, a lifting motor 309 and a roller connecting piece 310, the main roller 306 is mounted on the upper surface of the roller fixing frame 307 through a roller shaft, the 4 auxiliary rollers 308 are distributed in 2 rows, grooves formed by the 2 rows of auxiliary rollers 308 are kept centered with grooves in the middle of the 1 main roller 306, the roller fixing frame 307 is connected with the lifting motor 309 through the roller connecting piece 310, during operation, steel pipes are fixed between the auxiliary rollers 308 and in the grooves in the middle of the main roller 306, the lifting motor 309 drives the roller fixing frame 307 to move up and down, so that the movement of the height of the steel pipes is realized, and the accuracy of section specification identification, length measurement and plasma cutting is ensured.
As shown in fig. 11, the specific steps of the operation of the present invention are:
and (3) steel pipe feeding: the general control system sends a feeding instruction, the motor 102 runs, the transmission gear 104 rotates the tightening chain 105, the rotating shaft 108 is started, the angle of the transmission frame 106 is adjusted, and the steel pipe slides into the U-shaped clamping piece 107 of the steel pipe;
and (3) identifying the section specification: the visual recognition system photographs and recognizes the end head of the steel pipe in the U-shaped clamping piece 107, and transmits the recognized outer diameter and wall thickness of the steel pipe to the master control system;
length measurement: the steel tube slides into the lifting carrier roller 304 and falls into the grooves between the auxiliary rollers 308 and the middle of the main roller 306, the lifting motor 309 drives the roller fixing frame 307 to move up and down, the steel tube synchronously moves until the end of the steel tube is aligned with the chuck 301, under the action of the chuck moving seat 302, the chuck 301 stretches into the end of the steel tube, the master control system sends out instructions, the 4 movable buckles 305 respectively move outwards along the cross concave clamping grooves from the center, the 4 movable buckles 305 prop against the inner wall of the end of the steel tube, so that the chuck 301 clamps the steel tube, the chuck moving seat 302 drives the chuck 301 and the steel tube to move towards the fixed clamp 311 along the chuck moving track 303 until the other end of the steel tube props against the fixed clamp 311, and the length of the steel tube is measured through the sensors on the fixed clamp 311 and the chuck 301;
plasma cutting: 2 plasma cutting machines 401 move on a cutting machine moving track 403, the distance between the two machines is consistent with the length of a finished steel pipe, the angle between a plasma cutting gun head 407 and the steel pipe is determined according to an instruction sent by a general control system, and the plasma cutting gun head 407 cuts the steel pipe;
and (3) blanking and recycling: after cutting is completed, the plasma cutting gun head 407 is reset, the steel pipe surplus materials are pushed forward, the finished steel pipe falls into the stub bar collecting frame 5 below, after the steel pipe is cut for a plurality of times, the chuck 301 moves and resets in the direction away from the fixed clamp 311, the movable clamp 305 moves in the opposite direction, the chuck 301 is separated from the rest of the steel pipe, and the rest of the steel pipe falls into the stub bar collecting frame 5 below.
The preferred embodiments of the invention disclosed above are intended only to assist in the explanation of the invention. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise form disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and the practical application, to thereby enable others skilled in the art to best understand and utilize the invention. The invention is limited only by the claims and the full scope and equivalents thereof.
Claims (7)
1. The plasma cutting device for automatically feeding the steel pipe is characterized by comprising a feeding mechanism (1), a section identification mechanism (2), a clamping length measuring mechanism (3), a plasma cutting mechanism (4) and a stub bar collecting frame (5);
the feeding mechanism (1) comprises a feeding bracket (101), a transmission system, a transmission frame (106), a U-shaped clamping piece (107) and a rotating shaft (108), wherein the transmission system transmits a steel pipe to the transmission frame (106), the rotating shaft (108) is started, and the angle of the transmission frame (106) is adjusted to enable the steel pipe to slide into the U-shaped clamping piece (107);
the section identifying mechanism (2) comprises a visual identifying system, wherein the visual identifying system firstly shoots the end part of the steel pipe and then identifies the outer diameter and the wall thickness of the steel pipe;
the clamping length measuring mechanism (3) comprises a chuck moving seat (302), a chuck moving track (303) and a lifting carrier roller (304), a fixing clamp (311) is arranged at one end, close to the plasma cutting mechanism (4), of the clamping length measuring mechanism (3), a chuck (301) is arranged at the other end, the chuck (301) is fixedly connected with the chuck moving seat (302), the chuck moving seat (302) moves along the length direction of the chuck moving track (303), the lifting carrier roller (304) adjusts the position up and down, the chuck (301) clamps a steel pipe and moves along the chuck moving track (303) towards the fixing clamp (311) until the other end of the steel pipe is abutted against the fixing clamp (311);
the plasma cutting mechanism (4) comprises 2 plasma cutting machines (401), 2 cutting machine moving seats (402), 1 cutting machine moving track (403), 2 roller moving seats (404), 1 roller moving track (406) and a plurality of plasma cutting gun heads (407), the tops of the 2 roller moving seats (404) are used for supporting steel pipes to be cut, a general control system sends out instructions, the 2 plasma cutting machines (401) move on the cutting machine moving track (403), the distance between the 2 plasma cutting machines (401) is consistent with the length of a finished steel pipe, the fixed-length cutting of the finished steel pipe is realized, and the general control system selects the plasma cutting gun heads (407) with different angles according to data transmitted by the section identifying mechanism (2).
2. The plasma cutting device for automatic steel pipe feeding according to claim 1, wherein the fixing clamp (311) and the chuck (301) are provided with sensors for measuring the length of the steel pipe.
3. The plasma cutting device for automatic steel pipe feeding according to claim 1, wherein the chuck (301) is provided with a cross concave clamping groove, 4 movable buckles (305) are installed in the cross concave clamping groove, the chuck (301) stretches into the inner part of the steel pipe end, the master control system sends out instructions, the 4 movable buckles (305) respectively move outwards along the cross concave clamping groove, and the 4 movable buckles (305) are propped against the inner wall of the steel pipe end for fixing the steel pipe.
4. The plasma cutting device for automatic steel pipe feeding according to claim 1, wherein the lifting carrier roller (304) comprises 1 main roller (306), 4 auxiliary rollers (308), a lifting motor (309) and a roller connecting piece (310), the lifting motor (309) is connected with a roller fixing frame (307) through the roller connecting piece (310), the main roller (306) is mounted on the upper surface of the roller fixing frame (307), the 4 auxiliary rollers (308) are distributed in 2 rows, and the grooves formed by the 2 rows of auxiliary rollers (308) are kept in the center with the grooves in the middle of the main roller (306); the steel pipe is fixed in the groove, and the lifting motor (309) drives the roller fixing frame (307) to move up and down, so as to realize the movement of the steel pipe in the height direction.
5. The plasma cutting device for automatic steel pipe feeding according to claim 1, wherein the plasma cutting mechanism (4) further comprises 2 smoke collectors (405) for collecting smoke generated by cutting.
6. The plasma cutting device for automatic steel pipe feeding according to claim 1, wherein the angle between the plasma cutting gun head (407) and the steel pipe is determined according to the instruction sent by the general control system, the steel pipe with the wall thickness not more than 4mm is cut at 90 degrees, the steel pipe with the wall thickness more than 4mm is cut at 45 degrees and beveled.
7. The automatic steel pipe feeding plasma cutting device according to claim 1, comprising the steps of: the steel pipes are placed on the feeding mechanism (1) in a bundled mode, the steel pipes are conveyed into the U-shaped clamping piece (107) through the transmission system and the rotating shaft (108), the section of the steel pipes is identified through the section identification mechanism (2), the length measurement is carried out through the clamping length measurement mechanism (3) after the identification, finally, the steel pipes are cut into lengths required by machining through the plasma cutting mechanism (4) according to an instruction of the general control system, and the remaining cut stub bars are stored in the stub bar collecting frame (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310429961.3A CN116160100B (en) | 2023-04-21 | 2023-04-21 | Plasma cutting device for automatic steel pipe feeding |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310429961.3A CN116160100B (en) | 2023-04-21 | 2023-04-21 | Plasma cutting device for automatic steel pipe feeding |
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| Publication Number | Publication Date |
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| CN116160100A CN116160100A (en) | 2023-05-26 |
| CN116160100B true CN116160100B (en) | 2023-06-27 |
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| CN202310429961.3A Active CN116160100B (en) | 2023-04-21 | 2023-04-21 | Plasma cutting device for automatic steel pipe feeding |
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