CN109663968B - Cutting device for steel pipe production and manufacturing - Google Patents

Cutting device for steel pipe production and manufacturing Download PDF

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Publication number
CN109663968B
CN109663968B CN201910068082.6A CN201910068082A CN109663968B CN 109663968 B CN109663968 B CN 109663968B CN 201910068082 A CN201910068082 A CN 201910068082A CN 109663968 B CN109663968 B CN 109663968B
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China
Prior art keywords
steel pipe
cutting
lifting mechanism
moving block
base
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Application number
CN201910068082.6A
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Chinese (zh)
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CN109663968A (en
Inventor
武玉平
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.)
FOSHAN CITY NANHAI DISTRICT HONGXING STEEL PIPE Co.,Ltd.
Original Assignee
Foshan City Nanhai District Hongxing Steel Pipe Co ltd
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Application filed by Foshan City Nanhai District Hongxing Steel Pipe Co ltd filed Critical Foshan City Nanhai District Hongxing Steel Pipe Co ltd
Priority to CN201910068082.6A priority Critical patent/CN109663968B/en
Publication of CN109663968A publication Critical patent/CN109663968A/en
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Publication of CN109663968B publication Critical patent/CN109663968B/en
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23DPLANING; SLOTTING; SHEARING; BROACHING; SAWING; FILING; SCRAPING; LIKE OPERATIONS FOR WORKING METAL BY REMOVING MATERIAL, NOT OTHERWISE PROVIDED FOR
    • B23D21/00Machines or devices for shearing or cutting tubes
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23QDETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
    • B23Q11/00Accessories fitted to machine tools for keeping tools or parts of the machine in good working condition or for cooling work; Safety devices specially combined with or arranged in, or specially adapted for use in connection with, machine tools
    • B23Q11/0032Arrangements for preventing or isolating vibrations in parts of the machine
    • B23Q11/0039Arrangements for preventing or isolating vibrations in parts of the machine by changing the natural frequency of the system or by continuously changing the frequency of the force which causes the vibration
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23QDETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
    • B23Q3/00Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine
    • B23Q3/002Means to press a workpiece against a guide
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23QDETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
    • B23Q2703/00Work clamping
    • B23Q2703/02Work clamping means
    • B23Q2703/04Work clamping means using fluid means or a vacuum
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23QDETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
    • B23Q2703/00Work clamping
    • B23Q2703/02Work clamping means
    • B23Q2703/10Devices for clamping workpieces of a particular form or made from a particular material

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Sawing (AREA)

Abstract

The utility model provides a cutting device is used in steel pipe manufacturing which characterized in that: the steel pipe cutting device comprises a base, a support arranged on the base, a damping device arranged at the bottom of the base and used for absorbing vibration generated during steel pipe cutting, a main lifting mechanism arranged on the support, a moving block connected with the main lifting mechanism, a pair of steel pipe pressing mechanisms connected with the moving block, a balancing device arranged on the moving block and used for keeping pressure balance of the pair of steel pipe pressing mechanisms, a cutting lifting mechanism connected with the moving block and a steel pipe cutting device connected with the cutting lifting mechanism. The clamping force acting on the steel pipe is equal left and right by arranging the symmetrical connecting pipes and the cavities which are communicated with the connecting pipes and filled with the grease, so that the cutting device can not generate the fracture at the cut when cutting the steel pipe. The vibration during cutting is reduced through the damping device at the bottom, and the cutting is more stable.

Description

Cutting device for steel pipe production and manufacturing
Technical Field
The invention relates to the technical field of steel pipe production and manufacturing, in particular to a cutting device for steel pipe production and manufacturing.
Background
The steel pipe has a wide application range, and not only is used for conveying fluid and powdery solid, exchanging heat energy and manufacturing mechanical parts and containers, but also is an economic steel material. The steel pipe is used for manufacturing the building structure net rack, the supporting column and the mechanical support, so that the weight can be reduced, the metal can be saved by 0-0%, and the industrialized mechanized construction can be realized. The steel pipe is used for manufacturing the highway bridge, so that steel can be saved, the construction is simplified, the area of a coating protective layer can be greatly reduced, and the investment and the maintenance cost are saved.
The requirements for the length of the steel pipe in different fields are different, so that the steel pipe cutting device is needed for cutting the steel pipe. The two ends of the existing steel pipe cutting device are clamped, but the clamping force of the two ends cannot be guaranteed to be equal, so that the fracture appears at the cut of the steel pipe.
Disclosure of Invention
The invention aims to provide a cutting device for steel pipe production and manufacturing to solve the problem of fracture at a cut of a steel pipe.
The technical purpose of the invention is realized by the following technical scheme that the cutting device for producing and manufacturing the steel pipe is characterized in that: the steel pipe cutting device comprises a base, a support arranged on the base, a damping device arranged at the bottom of the base and used for absorbing vibration generated during steel pipe cutting, a main lifting mechanism arranged on the support, a moving block connected with the main lifting mechanism, a pair of steel pipe pressing mechanisms connected with the moving block, a balancing device arranged on the moving block and used for keeping pressure balance of the pair of steel pipe pressing mechanisms, a cutting lifting mechanism connected with the moving block and a steel pipe cutting device connected with the cutting lifting mechanism.
Further, damping device is including locating damping spring and with damping spring is connected's supporting seat below the base.
Further, the main lifting mechanism comprises a first oil cylinder arranged on the support.
Further, the steel pipe hold-down mechanism include with the communicating connecting pipe of connector, locate piston in the connecting pipe, locate sealing washer on the piston, locate guide ring on the piston, locate piston rod in the piston, locate the connecting pipe terminal with connecting pipe bolted connection's cylinder cap, locate L shape sealing washer on the cylinder cap, locate dust ring on the cylinder cap and locate clamp head on the piston rod.
Furthermore, the balancing device comprises a cavity filled with grease and arranged in the moving block and two connecting ports communicated with the cavity.
Further, the cutting lifting mechanism comprises a connecting plate welded with the moving block and a second oil cylinder.
Further, the steel pipe cutting device comprises a motor and a cutting blade arranged on the motor.
The invention has the beneficial effects that: the steel pipe is clamped by the piston arranged in the connecting pipe, and the clamping force acting on the steel pipe is equal left and right by arranging the symmetrical connecting pipe and the cavity which is full of grease and communicated with the connecting pipe, so that the cutting device can not generate the fracture at the notch when cutting the steel pipe. The vibration during cutting is reduced through the damping device at the bottom, and the cutting is more stable.
Drawings
FIG. 1 is a schematic structural diagram of the present invention;
FIG. 2 is a schematic structural diagram of a cutting device according to the present invention;
FIG. 3 is a schematic view of the enlarged structure of part A of the present invention.
In the attached figure, 1-base, 1-1-workbench, 1-2-notch, 2-damping device, 2-1-damping spring, 2-2-support seat, 3-main lifting mechanism, 3-1-first oil cylinder, 4-steel tube pressing mechanism, 4-1-connecting tube, 4-2-piston, 4-3-sealing ring, 4-4-guide ring, 4-5-piston rod, 4-6-L-shaped sealing ring, 4-7-dust-proof ring, 4-8-cylinder cover, 4-9-clamping head, 5-balancing device, 5-1-cavity, 5-2-connecting port, 6-cutting lifting mechanism, 6-1-connecting plate, 6-2-a second oil cylinder, 7-a steel pipe cutting device, 7-1-a motor and 7-2-a cutting blade.
Detailed Description
The invention is further described below with reference to the accompanying drawings:
example (b): as shown in fig. 1, 2 and 3, a cutting device for steel pipe production and manufacturing includes a base 1, a support 8 provided on the base 1, a damping device 2 provided at the bottom of the base 1 for absorbing vibration during steel pipe cutting, a main lifting mechanism 3 provided on the support 7, a moving block 9 connected to the main lifting mechanism 3, a pair of steel pipe pressing mechanisms 4 connected to the moving block 9, a balancing device 5 provided on the moving block 9 for maintaining pressure balance between the pair of steel pipe pressing mechanisms 4, a cutting lifting mechanism 6 connected to the moving block 9, and a steel pipe cutting device 7 connected to the cutting lifting mechanism 6.
The damping device 2 comprises a damping spring 2-1 arranged below the base 1 and a supporting seat 2-2 connected with the damping spring 2-1. The shock generated during cutting is absorbed by the damping spring 2-1, so that the cutting is more stable.
The lifting mechanism 3 comprises a first oil cylinder 3-1 arranged on the support 8, and the steel pipe pressing mechanism 4 and the balancing device 5 are lifted and lowered to clamp the steel pipe through the first oil cylinder 3-1. The steel pipe pressing mechanism comprises a connecting pipe 4-1 communicated with the connecting port 5-2, a piston 4-2 arranged in the connecting pipe 4-1, a sealing ring 4-3 arranged on the piston 4-2, a guide ring 4-4 arranged on the piston 4-2, a piston rod 4-5 arranged in the piston 4-2, a cylinder cover 4-8 arranged at the tail end of the connecting pipe 4-1 and connected with the connecting pipe 4-1 through bolts, an L-shaped sealing ring 4-6 arranged on the cylinder cover 4-8, a dust ring 4-7 arranged on the cylinder cover 4-8 and a clamping head 4-9 arranged on the piston rod 4-5. The steel pipe is clamped by the clamping head 4-9, the piston 4-2 and the connecting pipe 4-1.
The balancing device 5 comprises a cavity 5-1 filled with grease and arranged in the moving block 9 and two connecting ports 5-2 communicated with the cavity 5-1. The piston 4-2 extrudes the grease to equalize the pressure on the left side and the pressure on the right side.
The cutting lifting mechanism 6 comprises a connecting plate 6-1 and a second oil cylinder 6-2, wherein the connecting plate is welded with the moving block 8. The second oil cylinder 6-2 enables the cutting lifting mechanism to move to cut the steel pipe. The steel pipe cutting device 7 comprises a motor 7-1 and a cutting blade 7-2 arranged on the motor 7-1.
The working principle of the invention is as follows: the steel pipe is placed on a workbench 1-1, and a notch 1-2 is formed in the position, corresponding to the cutting blade 7-2, of the workbench 1-1. And starting the first oil cylinder 3-1, moving the steel pipe pressing mechanism 4, and driving the piston rod 4-5 and the piston 4-2 in the connecting pipe 4-1 to extrude grease into the connecting pipe 4-1 when the clamping head 4-9 is in contact with the steel pipe. The pressure of the clamping heads 4-9 on the steel pipe is equalized through the extrusion of grease. And when the steel pipe is completely clamped, starting the second oil cylinder 6-2 and the motor 7-2, and enabling the steel pipe cutting device 7 to descend to cut the steel pipe.

Claims (1)

1. The utility model provides a cutting device is used in steel pipe manufacturing which characterized in that: the steel pipe cutting machine comprises a base (1), a support (8) arranged on the base (1), a damping device (2) arranged at the bottom of the base (1) and used for absorbing vibration during steel pipe cutting, a main lifting mechanism (3) arranged on the support (8), a moving block (9) connected with the main lifting mechanism (3), a pair of steel pipe pressing mechanisms (4) connected with the moving block (9), a balancing device (5) arranged on the moving block (9) and used for keeping the pressure of the pair of steel pipe pressing mechanisms (4) balanced, a cutting lifting mechanism (6) connected with the moving block (9) and a steel pipe cutting device (7) connected with the cutting lifting mechanism (6); the balancing device (5) comprises a cavity (5-1) filled with grease and arranged in the moving block (9) and two connecting ports (5-2) communicated with the cavity (5-1); the steel pipe pressing mechanism (4) comprises a connecting pipe (4-1) communicated with the connecting port (5-2), a piston (4-2) arranged in the connecting pipe (4-1), a sealing ring (4-3) arranged on the piston (4-2), and a guide ring (4-4) arranged on the piston (4-2), a piston rod (4-5) arranged in the piston (4-2), a cylinder cover (4-8) arranged at the tail end of the connecting pipe (4-1) and connected with the connecting pipe (4-1) through a bolt, an L-shaped sealing ring (4-6) arranged on the cylinder cover (4-8), a dust ring (4-7) arranged on the cylinder cover (4-8) and a clamping head (4-9) arranged on the piston rod (4-5); the damping device (2) comprises a damping spring (2-1) arranged below the base (1) and a supporting seat (2-2) connected with the damping spring (2-1); the main lifting mechanism (3) comprises a first oil cylinder (3-1) arranged on the bracket (8); the cutting lifting mechanism (6) comprises a connecting plate (6-1) welded with the moving block (9) and a second oil cylinder (6-2); the steel pipe cutting device (7) comprises a motor (7-1) and a cutting blade (7-2) arranged on the motor (7-1).
CN201910068082.6A 2019-01-24 2019-01-24 Cutting device for steel pipe production and manufacturing Active CN109663968B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201910068082.6A CN109663968B (en) 2019-01-24 2019-01-24 Cutting device for steel pipe production and manufacturing

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201910068082.6A CN109663968B (en) 2019-01-24 2019-01-24 Cutting device for steel pipe production and manufacturing

Publications (2)

Publication Number Publication Date
CN109663968A CN109663968A (en) 2019-04-23
CN109663968B true CN109663968B (en) 2021-04-30

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Application Number Title Priority Date Filing Date
CN201910068082.6A Active CN109663968B (en) 2019-01-24 2019-01-24 Cutting device for steel pipe production and manufacturing

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Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS532423B2 (en) * 1973-09-27 1978-01-27
CN101024269A (en) * 2006-02-24 2007-08-29 鸿富锦精密工业(深圳)有限公司 Fixture
CN103016893A (en) * 2011-09-21 2013-04-03 中国建筑第七工程局有限公司 Hot tapping plugging construction method of long natural gas delivery pipeline
CN204277465U (en) * 2014-10-15 2015-04-22 浙江友谊菲诺伞业有限公司 Steel pipe throat cutting one processing machine
CN205834349U (en) * 2016-07-27 2016-12-28 徐向飞 A kind of stainless steel tube cutting machine
CN207315756U (en) * 2017-06-27 2018-05-04 洛阳宝瑞机械制造有限公司 A kind of hydraulically operated fixture of adjustable pressure

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN207057729U (en) * 2017-06-22 2018-03-02 中铁隆昌铁路器材有限公司 A kind of 40T cutting machines

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS532423B2 (en) * 1973-09-27 1978-01-27
CN101024269A (en) * 2006-02-24 2007-08-29 鸿富锦精密工业(深圳)有限公司 Fixture
CN103016893A (en) * 2011-09-21 2013-04-03 中国建筑第七工程局有限公司 Hot tapping plugging construction method of long natural gas delivery pipeline
CN204277465U (en) * 2014-10-15 2015-04-22 浙江友谊菲诺伞业有限公司 Steel pipe throat cutting one processing machine
CN205834349U (en) * 2016-07-27 2016-12-28 徐向飞 A kind of stainless steel tube cutting machine
CN207315756U (en) * 2017-06-27 2018-05-04 洛阳宝瑞机械制造有限公司 A kind of hydraulically operated fixture of adjustable pressure

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SE01 Entry into force of request for substantive examination
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Effective date of registration: 20210414

Address after: 528200 Lishui Town, Nanhai District, Foshan City, Guangdong Province

Applicant after: FOSHAN CITY NANHAI DISTRICT HONGXING STEEL PIPE Co.,Ltd.

Address before: Room 10, unit 1, No. 48b, Shangshang Road, Linghai City, Jinzhou City, Liaoning Province 121200

Applicant before: Wu Yuping

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