CN113953640A - Multi-functional cutting equipment of heavy-calibre nonrust steel pipe - Google Patents

Multi-functional cutting equipment of heavy-calibre nonrust steel pipe Download PDF

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Publication number
CN113953640A
CN113953640A CN202111334218.7A CN202111334218A CN113953640A CN 113953640 A CN113953640 A CN 113953640A CN 202111334218 A CN202111334218 A CN 202111334218A CN 113953640 A CN113953640 A CN 113953640A
Authority
CN
China
Prior art keywords
upper cover
steel pipe
lower cover
stainless steel
cutting equipment
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN202111334218.7A
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Chinese (zh)
Inventor
余泽
赵一浪
李玉娟
余双
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Jinbaolai Pipeline System Jiangsu Co ltd
Original Assignee
Jinbaolai Pipeline System Jiangsu Co ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Jinbaolai Pipeline System Jiangsu Co ltd filed Critical Jinbaolai Pipeline System Jiangsu Co ltd
Priority to CN202111334218.7A priority Critical patent/CN113953640A/en
Publication of CN113953640A publication Critical patent/CN113953640A/en
Pending legal-status Critical Current

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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23KSOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K15/00Electron-beam welding or cutting
    • B23K15/08Removing material, e.g. by cutting, by hole drilling
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23KSOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K15/00Electron-beam welding or cutting
    • B23K15/06Electron-beam welding or cutting within a vacuum chamber
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23KSOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K37/00Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups
    • B23K37/04Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups for holding or positioning work
    • B23K37/053Auxiliary 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
    • B23K37/0533Auxiliary 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 external pipe alignment clamps
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23KSOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K37/00Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups
    • B23K37/04Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups for holding or positioning work
    • B23K37/053Auxiliary 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
    • B23K37/0538Auxiliary 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 for rotating tubes, e.g. rollers
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23KSOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K2101/00Articles made by soldering, welding or cutting
    • B23K2101/04Tubular or hollow articles
    • B23K2101/06Tubes

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Arc Welding In General (AREA)

Abstract

The utility model provides a multi-functional cutting equipment of nonrust steel pipe of heavy-calibre, includes the lower cover, covers down to rotate and connects the upper cover, lower cover bottom surface fixed mounting support frame, the inside electron beam welding machine that sets up of upper cover, the inside top surface of upper cover sets up the montant, the montant tip is connected with electron beam welding machine's shower nozzle, the inside strutting arrangement that sets up of lower cover, strutting arrangement is used for supporting the nonrust steel pipe of waiting to cut, cover on and set up closing device, closing device can be used to compress tightly the nonrust steel pipe of waiting to cut, its characterized in that: the upper cover is provided with an air extractor which can extract the air in the lower cover and the upper cover and can convey the extracted air to the lower cover and the upper cover again.

Description

Multi-functional cutting equipment of heavy-calibre nonrust steel pipe
Technical Field
The invention relates to the field of metal cutting, in particular to large-caliber stainless steel pipe cutting.
Background
The electron beam welding is to utilize accelerated and focused electron beams to bombard a welding surface placed in vacuum or non-vacuum to melt a welded workpiece to realize welding or cutting, because the electron beam welding needs vacuum treatment when in use, a plurality of workpieces need to be processed in vacuum at one time in some factories for saving cost, the cost is too high when only one or two individual workpieces need the vacuum treatment when in electron beam welding, the use is not convenient, because the electron beam welding melts the workpieces, some solid particles can float in the air after the processing, the body is easily influenced after the workers suck, and the use is not flexible and convenient.
Disclosure of Invention
In order to solve the defects in the prior art, the invention provides a multifunctional cutting device for a large-caliber stainless steel pipe.
The technical scheme of the invention is as follows: the utility model provides a multi-functional cutting equipment of nonrust steel pipe of heavy-calibre, includes the lower cover, covers down to rotate and connects the upper cover, lower cover bottom surface fixed mounting support frame, the inside electron beam welding machine that sets up of upper cover, the inside top surface of upper cover sets up the montant, the montant tip is connected with electron beam welding machine's shower nozzle, the inside strutting arrangement that sets up of lower cover, strutting arrangement is used for supporting the nonrust steel pipe of waiting to cut, cover on and set up closing device, closing device can be used to compress tightly the nonrust steel pipe of waiting to cut, its characterized in that: the upper cover is provided with an air extractor which can extract the air in the lower cover and the upper cover and can convey the extracted air to the lower cover and the upper cover again.
Further, strutting arrangement include the backup pad, the inside bottom surface fixed mounting of lower cover several vertical first bracing pieces, first bracing piece and montant are located same vertical plane, all can dismantle on the first bracing piece and connect first sleeve, equal fixed mounting on the first sleeve with wait to cut the backup pad of nonrust steel pipe shape looks adaptation.
Furthermore, the pressing device comprises a pressing plate, a plurality of vertical second supporting rods are fixedly installed at the positions, corresponding to the first supporting rods, of the top surface in the upper cover, a second sleeve is detachably connected to the second supporting rods, and the pressing plate matched with the stainless steel pipe to be cut in shape is installed on the second sleeve.
Furthermore, the working surface of the supporting plate is provided with second rollers along the length direction, the working surface of the pressing plate is provided with second rollers along the length direction, and the second rollers are driven by a motor.
Further, air exhaust device include the air extractor, the upper cover side sets up the air extractor, the air extractor air inlet communicates with each other with the upper cover is inside, the first pipe is connected to the air extractor gas outlet, the box is connected to first pipe outer end, sets up filter equipment and gas collecting device in the box, the gas that first pipe was taken out passes filter equipment and gas collecting device in proper order, the second pipe is connected to the gas collecting device gas outlet, second pipe outer end communicates with each other with the upper cover is inside.
Furthermore, the filtering device comprises a filter screen, a first through hole is formed in the side face of the box body, the first through hole is communicated with the first guide pipe, the filter screen is arranged at a position close to the first through hole in the box body, the gas collecting device comprises a partition board, the partition board is arranged in the box body, a second through hole is formed in the partition board, a third through hole is formed in the side face of the box body, opposite to the first through hole, the first electromagnetic valve is arranged in the second through hole, and the second electromagnetic valve is arranged in the third through hole.
Further, lower cover and upper cover be close to the equal fixed seal installation arc of rotation department, the outer end of arc all with the laminating department parallel and level of lower cover and upper cover, the laminating department of lower cover and upper cover sets up integrated into one piece's ring type seal, ring type seal wraps up the outer end of arc.
Furthermore, the U-shaped handle is fixedly arranged at the movable end of the upper cover, an observation port is formed in the side surface of the upper cover, and transparent glass is hermetically arranged in the observation port.
Furthermore, the montant be telescopic electric telescopic handle, electron beam welding machine's shower nozzle is installed at electric telescopic handle's expansion end.
The invention provides a multifunctional cutting device for a large-caliber stainless steel pipe, which has the beneficial effects that: air exhaust device carries out work, take out into a class vacuum between upper cover and the lower cover, can make more and more pressing under the effect of atmospheric pressure this moment between upper cover and the lower cover tight more, thereby make the vacuum effect last, it is more stable when cutting to have guaranteed electron beam welding, the effect is better, later electron beam welding machine carries out work, cut nonrust steel pipe, the back is accomplished in the cutting, air exhaust device releases gas again and gets into between upper cover and the lower cover, make the upper cover open smoothly, can be solitary cut nonrust steel pipe, and is effectual, high efficiency, and good flexibility can adapt to batch production.
Drawings
FIG. 1 is a perspective view of the present device;
FIG. 2 is a perspective view of the device in an open position;
FIG. 3 is a schematic view of the internal structure of the case;
fig. 4 is a perspective view of the annular seal ring.
Detailed Description
To facilitate an understanding of the present invention by those skilled in the art, specific embodiments thereof are described below with reference to the accompanying drawings.
In the description of the present application, it is to be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of describing the present invention and simplifying the description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present application, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present application can be understood in a specific case by those of ordinary skill in the art.
The invention relates to a multifunctional cutting device for a large-diameter stainless steel pipe, which comprises a lower cover 1, wherein an upper cover 2 is rotatably connected onto the lower cover 1, when the upper cover 2 covers the lower cover 1, the space between the lower cover 1 and the upper cover 2 can be pumped into vacuum through an air pump 13, so that an electron beam welding machine can cut the stainless steel pipe more stably, the cutting effect is better, the electron beam welding machine for cutting is arranged in the upper cover 2, a spray head 4 of the electron beam welding machine is arranged at the movable end of an electric telescopic rod, the electric telescopic rod can be stretched to cut the stainless steel pipes with different diameters, and the multifunctional cutting device is wider in adaptability.
The air pump operation is taken away the air in this device, and the air of taking away enters into box 15 through first pipe 14, and gas passes through filter screen 17 can filter some tiny particle and the toxic gas of suspension in the air after cutting, and the workman inhales harmful gas and causes the damage to the human body when preventing that upper cover 2 from opening, and first solenoid valve 22 and second solenoid valve 23 at this moment are opened, and gas passes through second pipe 16 and enters into again lower cover 1 and upper cover 2.
Opening the upper cover 2, putting the stainless steel pipe to be cut into the stainless steel pipe, closing the second electromagnetic valve 23, exhausting by the air exhauster 13, reducing the air pressure in the lower cover 1 and the lower cover 2, pressing the upper cover 2 and the lower cover 1 more and more tightly under the action of the atmospheric pressure, forming the annular sealing ring 24 integrally, enabling the contact points between the upper cover 2 and the lower cover 1 to be on the annular sealing ring 24, achieving better sealing effect, ensuring stable vacuum, gathering the air pressure in the box body 15, closing the first electromagnetic valve 22, forming vacuum-like space between the lower cover 2 and the upper cover 1, operating the electron beam welder, cutting the stainless steel pipe, opening the first electromagnetic valve 22 and the second electromagnetic valve 23 after cutting, re-entering the filtered air into the lower cover 1 and the upper cover 2, sucking away some floating particles and toxic air which are just cut, thereby enabling the upper cover 2 to be smoothly opened, and poisonous gas to be filtered, thereby ensuring the safety of workers.
Install first bracing piece 6 and second bracing piece 9 respectively in lower cover 1 and upper cover 2 inside, demountable installation first sleeve 7 and second sleeve 10 on first bracing piece 6 and the second bracing piece 9, erection bracing board 5 is used for placing the nonrust steel pipe of waiting to cut on first sleeve 7, install pressure strip 8 on second sleeve 10, when upper cover 2 is covered, can fix nonrust steel pipe, make things convenient for the rolling second gyro wheel 11 of stainless steel in the backup pad 11, install second gyro wheel 12 on the pressure strip 8, second gyro wheel 12 passes through motor drive, second gyro wheel 12 can drive the nonrust steel pipe rotation of waiting to cut, thereby guarantee that can comprehensive cutting targets in place, can adapt to the nonrust steel pipe of different sizes and shapes through changing different first sleeve 7 and second sleeve 10, thereby make the adaptability of this device more extensive.
The above-described embodiments of the present invention do not limit the scope of the present invention. Any modification, equivalent replacement, and improvement made within the spirit and principle of the present invention should be included in the scope of the claims of the present invention.

Claims (9)

1. The utility model provides a multi-functional cutting equipment of heavy-calibre nonrust steel pipe, including lower cover (1), rotate on lower cover (1) and connect upper cover (2), lower cover (1) bottom surface fixed mounting support frame (28), upper cover (2) inside sets up electron beam welding machine, the inside top surface of upper cover (2) sets up montant (3), montant (3) tip is connected with shower nozzle (4) of electron beam welding machine, the inside strutting arrangement that sets up of lower cover (1), strutting arrangement is used for supporting the nonrust steel pipe of waiting to cut, set up closing device on upper cover (2), closing device can be used to compress tightly the nonrust steel pipe of waiting to cut, a serial communication port: an air extracting device is arranged on the upper cover (2), the air extracting device can extract the air in the lower cover (1) and the upper cover (2), and the air extracting device can convey the extracted air to the lower cover (1) and the upper cover (2) again.
2. The multifunctional cutting equipment for the large-caliber stainless steel pipe as claimed in claim 1, wherein: the supporting device comprises a supporting plate (5), a plurality of vertical first supporting rods (6) are fixedly mounted on the bottom surface inside the lower cover (1), the first supporting rods (6) and the vertical rods (3) are located on the same vertical plane, the first supporting rods (6) are connected with first sleeves (7) in a detachable mode, and the first sleeves (7) are fixedly mounted and are supporting plates (5) matched with the shapes of the stainless steel pipes to be cut.
3. The multifunctional cutting equipment for the large-caliber stainless steel pipe as claimed in claim 2, wherein: the pressing device comprises a pressing plate (8), a plurality of vertical second supporting rods (9) are fixedly mounted at positions, corresponding to the first supporting rods (6), of the top surface inside the upper cover (2), a second sleeve (10) is detachably connected onto the second supporting rods (9), and the pressing plate (8) matched with the shape of the stainless steel pipe to be cut is mounted on the second sleeve (10).
4. The multifunctional cutting equipment for the large-caliber stainless steel pipe as claimed in claim 3, wherein: the working face of the supporting plate (5) is provided with second rollers (11) along the length direction, the working face of the pressing plate (8) is provided with second rollers (12) along the length direction, and the second rollers (12) are driven by a motor.
5. The multifunctional cutting equipment for the large-caliber stainless steel pipe as claimed in claim 1, wherein: air exhaust device include air extractor (13), upper cover (2) side sets up air extractor (13), air extractor (13) air inlet and upper cover (2) are inside to communicate with each other, first pipe (14) are connected to air extractor (13) gas outlet, box (15) are connected to first pipe (14) outer end, set up filter equipment and gas collection device in box (15), the gas that first pipe (14) were taken out passes filter equipment and gas collection device in proper order, second pipe (16) are connected to the gas collection device gas outlet, second pipe (16) outer end and upper cover (2) are inside to communicate with each other.
6. The multifunctional cutting equipment for the large-caliber stainless steel pipe as claimed in claim 5, wherein: the filtering device comprises a filter screen (17), a first through hole (18) is formed in the side face of the box body (15), the first through hole (18) is communicated with the first guide pipe (14), the filter screen (17) is arranged at a position, close to the first through hole (18), in the box body (15), the gas collecting device comprises a partition board (19), a partition board (19) is arranged in the box body (15), a second through hole (20) is formed in the partition board (19), a third through hole (21) is formed in the side face, opposite to the first through hole (18), of the box body (15), a first electromagnetic valve (22) is arranged in the second through hole (20), and a second electromagnetic valve (23) is arranged in the third through hole (21).
7. The multifunctional cutting equipment for the large-caliber stainless steel pipe as claimed in claim 1, wherein: lower cover (1) and upper cover (2) be close to the equal fixed seal installation arc (24) of rotation department, the outer end of arc (24) all with the laminating department parallel and level of lower cover (1) and upper cover (2), the laminating department of lower cover (1) and upper cover (2) sets up integrated into one piece's ring type seal (25), the outer end of arc (24) is lived in the ring type seal parcel.
8. The multifunctional cutting equipment for the large-caliber stainless steel pipe as claimed in claim 1, wherein: the movable end of the upper cover (2) is fixedly provided with a U-shaped handle (26), the side surface of the upper cover (2) is provided with an observation port (27), and transparent glass is hermetically arranged in the observation port (27).
9. The multifunctional cutting equipment for the large-caliber stainless steel pipe as claimed in claim 1, wherein: the vertical rod (3) is a telescopic electric telescopic rod, and a spray head (4) of the electron beam welding machine is arranged at the movable end of the electric telescopic rod.
CN202111334218.7A 2021-11-11 2021-11-11 Multi-functional cutting equipment of heavy-calibre nonrust steel pipe Pending CN113953640A (en)

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Application Number Priority Date Filing Date Title
CN202111334218.7A CN113953640A (en) 2021-11-11 2021-11-11 Multi-functional cutting equipment of heavy-calibre nonrust steel pipe

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202111334218.7A CN113953640A (en) 2021-11-11 2021-11-11 Multi-functional cutting equipment of heavy-calibre nonrust steel pipe

Publications (1)

Publication Number Publication Date
CN113953640A true CN113953640A (en) 2022-01-21

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN116214067A (en) * 2023-02-24 2023-06-06 陇南福盛路桥工程有限公司 Welding auxiliary fixtures convenient to it is fixed

Citations (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4541316A (en) * 1982-09-29 1985-09-17 Pont A Mousson S.A. Method and apparatus for cutting circular or oval pipes
US5335570A (en) * 1992-04-07 1994-08-09 Hankook Metal Co., Ltd. Automatic pipe cutting device
CN105643105A (en) * 2015-10-14 2016-06-08 哈尔滨福沃德多维智能装备有限公司 Laser melting forming protection circulating dust-removing system and method
CN209527786U (en) * 2018-11-08 2019-10-25 河南洛龄食品有限公司 Sterilizing unit for vegetables blade face
CN210024157U (en) * 2019-05-23 2020-02-07 江西合荣隆科技有限公司 Environment-friendly laser cutting device with high precision and rapid positioning
CN211305260U (en) * 2019-11-18 2020-08-21 福建大力新型建材科技有限公司 Tubular pile skeleton welding set
CN211778963U (en) * 2020-01-18 2020-10-27 上海耐恩贸易有限公司 Sealing structure of vacuum furnace
CN212044115U (en) * 2020-04-26 2020-12-01 东营市铁人抽油杆有限公司 High-speed cutting device is used in sucker rod processing
CN212070589U (en) * 2020-02-26 2020-12-04 杨道虎 Pipe fitting cutting device for mechanical production
CN212313971U (en) * 2020-04-21 2021-01-08 大连天一能装备制造有限公司 Vacuum hot press of high leakproofness
CN212634882U (en) * 2020-06-19 2021-03-02 江苏大块头不锈钢科技有限公司 Stainless steel tubular product welding set
CN112620912A (en) * 2020-11-27 2021-04-09 广州诺星智能科技有限公司 Electron beam cutting equipment with place platform
CN213135474U (en) * 2020-08-17 2021-05-07 中石化江汉油建工程有限公司 Cutting device of petroleum screen pipe
CN213140021U (en) * 2020-06-22 2021-05-07 杭州培盛卫浴材料有限公司 Sealed feed bin of going up
CN113319450A (en) * 2021-06-25 2021-08-31 深圳市华中通用技术有限公司 Protective film cutting process and laser cutting equipment

Patent Citations (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4541316A (en) * 1982-09-29 1985-09-17 Pont A Mousson S.A. Method and apparatus for cutting circular or oval pipes
US5335570A (en) * 1992-04-07 1994-08-09 Hankook Metal Co., Ltd. Automatic pipe cutting device
CN105643105A (en) * 2015-10-14 2016-06-08 哈尔滨福沃德多维智能装备有限公司 Laser melting forming protection circulating dust-removing system and method
CN209527786U (en) * 2018-11-08 2019-10-25 河南洛龄食品有限公司 Sterilizing unit for vegetables blade face
CN210024157U (en) * 2019-05-23 2020-02-07 江西合荣隆科技有限公司 Environment-friendly laser cutting device with high precision and rapid positioning
CN211305260U (en) * 2019-11-18 2020-08-21 福建大力新型建材科技有限公司 Tubular pile skeleton welding set
CN211778963U (en) * 2020-01-18 2020-10-27 上海耐恩贸易有限公司 Sealing structure of vacuum furnace
CN212070589U (en) * 2020-02-26 2020-12-04 杨道虎 Pipe fitting cutting device for mechanical production
CN212313971U (en) * 2020-04-21 2021-01-08 大连天一能装备制造有限公司 Vacuum hot press of high leakproofness
CN212044115U (en) * 2020-04-26 2020-12-01 东营市铁人抽油杆有限公司 High-speed cutting device is used in sucker rod processing
CN212634882U (en) * 2020-06-19 2021-03-02 江苏大块头不锈钢科技有限公司 Stainless steel tubular product welding set
CN213140021U (en) * 2020-06-22 2021-05-07 杭州培盛卫浴材料有限公司 Sealed feed bin of going up
CN213135474U (en) * 2020-08-17 2021-05-07 中石化江汉油建工程有限公司 Cutting device of petroleum screen pipe
CN112620912A (en) * 2020-11-27 2021-04-09 广州诺星智能科技有限公司 Electron beam cutting equipment with place platform
CN113319450A (en) * 2021-06-25 2021-08-31 深圳市华中通用技术有限公司 Protective film cutting process and laser cutting equipment

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN116214067A (en) * 2023-02-24 2023-06-06 陇南福盛路桥工程有限公司 Welding auxiliary fixtures convenient to it is fixed

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