CN103736769B - A kind of 500MN extrusion equipment for producing Large Diameter Pipeline seamless steel pipe - Google Patents
A kind of 500MN extrusion equipment for producing Large Diameter Pipeline seamless steel pipe Download PDFInfo
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- CN103736769B CN103736769B CN201310708940.1A CN201310708940A CN103736769B CN 103736769 B CN103736769 B CN 103736769B CN 201310708940 A CN201310708940 A CN 201310708940A CN 103736769 B CN103736769 B CN 103736769B
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Abstract
A kind of 500MN extrusion equipment for producing Large Diameter Pipeline seamless steel pipe, it includes pedestal, organism frame, extruding actuator, hydraulic power system and PLC system; Described pedestal is fixed on the under ground portion of equipment installing base facility; Described organism frame is fixed on pedestal, it includes two groups, front and back gantry deckle board, each of which group gantry deckle board is fixed together by the lower link bar of uniformly arrangement up and down, two groups, front and back gantry deckle boards are by the fixing assembling of upper and lower two groups of big pull bars, described extruding actuator is arranged in the chamber, gantry of organism frame, described hydraulic power system is arranged in the under ground portion of equipment installing base facility, hydraulic power system and extruding actuator by PLC system control. It is big that the present invention has operating pressure, simple in construction, easy to operate, practical, and the features such as cost is low meet the requirement that the extruding of Large Diameter Pipeline seamless steel pipe produces, significantly improve production efficiency and the product quality of seamless steel pipe.
Description
Technical field
The present invention relates to a kind of seamless steel pipe production, especially a kind of extrusion equipment being applicable to produce Large Diameter Pipeline seamless steel pipe, belong to metal without Machining Technology for Cutting field.
Background technology
At present, the production method of seamless steel pipe is roughly divided into oblique milling method and squeezing and pressing method. Wherein oblique milling method is first with oblique milling roller, pipe to be bored a hole, and is then extended with milling train, and this method speed of production is fast, but requires higher to the machinability of pipe, is primarily adapted for use in production carbon steel and low alloy steel; Extruding rule is pipe or steel ingot to be bored a hole with perforating machine, it is squeezed into steel pipe again by extruder, the seamless steel pipe that hot extrusion technique produces is adopted to have the advantages such as dimensional accuracy height, metallographic structure is fine and close, mechanical property is good, it is widely used in that the national economy such as military project, nuclear power, thermoelectricity, aviation, digging, oil well and petrochemical industry are high-end and key area, there is irreplaceable application prospect.
Owing to existing Hot Extrusion Equipment tonnage is little, it is adapted only to the production of middle pipe with small pipe diameter seamless steel pipe, and the above Large Diameter Pipeline tubing of �� 355mm generally adopts roll bending welding method manufacture, not only technological process is complicated, weld seam and heat affected area tissue thereof and performance and parent can not be completely the same, bring adverse effect to the fatigue resistance of tubing and service life; It addition, traditional Hot Extrusion Equipment adopts horizontal type structure mostly, its rack construction intensity constrains the raising of maximum working pressure (MWP). For solving this problem, the Vertical Steel tube extruding press of four column frame structures comes out, its operating pressure is up to 250MN, but still it is difficult to meet the production requirement of the Large Diameter Pipeline alloy pipe of external diameter ��=406mm��1320, wall thickness ��=20��240mm, length L=4000��12000mm, simultaneously, owing to its rack construction is complicated, complex operation step, improve the production cost of plant maintenance and tube product.
Summary of the invention
Present invention aims to the drawback of prior art, it is provided that a kind of simple in construction, easy to operate, both can meet the extruding production requirement of Large Diameter Pipeline seamless steel pipe, the 500MN extrusion equipment for producing Large Diameter Pipeline seamless steel pipe of production cost can have been reduced again.
Problem of the present invention realizes with following technical proposals:
A kind of 500MN extrusion equipment for producing Large Diameter Pipeline seamless steel pipe, it includes pedestal, organism frame, extruding actuator, hydraulic power system and PLC system, described pedestal is fixed on the under ground portion of equipment installing base facility, described organism frame is fixed on pedestal, it includes two groups, front and back gantry deckle board, each of which group gantry deckle board is fixed together by the lower link bar of uniformly arrangement up and down, two groups, front and back gantry deckle boards are by the fixing assembling of upper and lower two groups of big pull bars, described extruding actuator is arranged in the chamber, gantry of organism frame, described hydraulic power system is arranged in the under ground portion of equipment installing base facility, hydraulic power system and extruding actuator are by PLC system control.
The above-mentioned 500MN extrusion equipment for producing Large Diameter Pipeline seamless steel pipe, described extruding actuator includes fixing beam, upper model fixing seat, upper mould, recipient, counterdie, lower model fixing seat and trave lling girder, described fixing beam is arranged on the top in chamber, organism frame gantry, described upper model fixing seat is arranged on the bottom surface of fixing beam, described upper mould is arranged on model fixing seat, upper mould is positioned on same central axis with recipient and counterdie, described recipient is equipped with hydraulic-driven, described counterdie is arranged on lower model fixing seat, described lower model fixing seat is arranged on trave lling girder, described trave lling girder is equipped with hydraulic power system.
The above-mentioned 500MN extrusion equipment for producing Large Diameter Pipeline seamless steel pipe, described upper model fixing seat is ladder mesa structure, and its upper end large area table top assembles with the assembling of fixing beam, lower end little area table top and upper mould.
The above-mentioned 500MN extrusion equipment for producing Large Diameter Pipeline seamless steel pipe, described lower model fixing seat is ladder mesa structure, and the little area table top in its upper end assembles with recipient assembling, lower end large area table top and trave lling girder.
The above-mentioned 500MN extrusion equipment for producing Large Diameter Pipeline seamless steel pipe, described hydraulic power system includes fuel tank, Oil pump electrical machinery group, Accumulator arrangements, pressure booster set, trave lling girder drives oil cylinder and recipient to drive oil cylinder, described Oil pump electrical machinery group oil circuit import connects with fuel tank, the outlet of its oil circuit connects with Accumulator arrangements, connect pressure booster set after described Accumulator arrangements and recipient drives oil cylinder, described pressure booster set drives oil cylinder to be connected with trave lling girder, described trave lling girder drives oil cylinder to be distributed on below actuator, the assembling fixing with trave lling girder bottom surface of its telescopic arm, described recipient drives oil cylinder to be symmetrically arranged, they are arranged between two groups, front and back gantry deckle board of organism frame, the assembling fixing with recipient of its telescopic arm.
The above-mentioned 500MN extrusion equipment for producing Large Diameter Pipeline seamless steel pipe, the sidewall of described organism frame is provided with dummy block conveying robot, described dummy block conveying robot includes arm rotary drive unit, arm elevation driving unit, arm component, grip unit, balance weight and fixing seat, described fixing seat is arranged on Steel Pipe Heat extrusion equipment sidewall paneling, described arm rotary drive unit is arranged on fixing seat, described arm elevation driving unit is equipped with arm rotary drive unit, described arm component front end is equipped with arm rotary drive unit and arm elevation driving unit, end at arm component assembles grip unit, described grip unit extrudes glass isolator with Steel Pipe Heat and mates, described balance weight is connected with arm component by drag-line.
The present invention adopts combination type body frame structure, by the cooperation of big pull bar and lower link bar, gantry deckle board is assembled together, defining the high intensity space framework of Guan Bi, it can not only bear shock loading huge in steel tube extrusion process, and reduces the manufacturing cost of equipment;Upper model fixing seat and the lower model fixing seat of the present invention all adopt ladder mesa structure, make power concentration be transferred to the force part of upper die and lower die, it is ensured that the stability of extrusion process; Pedestal and hydraulic power system are arranged in the under ground portion of equipment installing base by the present invention, have both decreased taking of aerial parts space, reduce again equipment integral installation height, and the handling for tube product provides conveniently; The present invention is by being arranged on the dummy block conveying robot on the sidewall of organism frame, it is achieved that the automatic operation of dummy block carrying, solves the problem that operator's labor intensity is big, operating condition is severe, improves work efficiency; The hydraulic power system of the present invention adopts the mode of operation that Accumulator arrangements and pressure booster set coordinate, and meets the power demand of large-tonnage steel pipe extrusion production device, improves energy utilization rate, reduces tube product cost. In a word, the present invention compared with prior art, has operating pressure big, simple in construction, easy to operate, practical, and the features such as cost is low meet the requirement that the extruding of Large Diameter Pipeline seamless steel pipe produces, significantly improve production efficiency and the product quality of seamless steel pipe.
Accompanying drawing explanation
Below in conjunction with accompanying drawing, the invention will be further described.
Fig. 1 is the front view of the present invention;
Fig. 2 is the side view of the present invention;
Fig. 3 is the main sectional view of the present invention;
Fig. 4 is the sectional view of the present invention;
Fig. 5 is hydraulic power system and PLC system annexation figure;
Fig. 6 is dummy block conveying robot rigging position schematic diagram;
Fig. 7 is dummy block conveying robot structural representation;
Fig. 8 is the top view of Fig. 7.
In figure, each list of reference numerals is: 1, gantry deckle board, 2, big pull bar, 3, fixing beam, 4, upper model fixing seat, 5, upper mould, 6, recipient, 7, lower model fixing seat, 8, trave lling girder, 9, lower link bar, 10, trave lling girder drive oil cylinder, 11, pedestal, 12, recipient drives oil cylinder, and 13, counterdie, 14, dummy block conveying robot, 14-1, arm rotary drive unit, 14-2, arm elevation driving unit, 14-3, arm component, 14-4, grip unit, 14-5, fixing seat, 14-6, balance weight.
Detailed description of the invention
Referring to Fig. 1, Fig. 2, the present invention includes pedestal 11, organism frame, extruding actuator, hydraulic power system and PLC system, and matched equipment installing base facility includes underground and aboveground two parts; Described pedestal 11 is fixed on the under ground portion of equipment installing base facility; Described organism frame is fixing on the base 11, it includes two groups, front and back gantry deckle board 1, each of which group gantry deckle board 1 is fixed together by the lower link bar 9 of uniformly arrangement up and down, two groups, front and back gantry deckle boards are by upper and lower two groups of big fixing assemblings of pull bars 2, described extruding actuator is arranged in the chamber, gantry of organism frame, described hydraulic power system is arranged in the under ground portion of equipment installing base facility, hydraulic power system and extruding actuator by PLC system control.
Referring to Fig. 3, the extruding actuator of the present invention includes fixing beam 3, upper model fixing seat 4, upper mould 5, recipient 6, counterdie 13, lower model fixing seat 7 and trave lling girder 8, described fixing beam 3 is arranged on the top in chamber, organism frame gantry, described upper model fixing seat 4 is arranged on the bottom surface of fixing beam 3, described upper mould 5 is arranged on model fixing seat 4, upper mould 5 is positioned on same central axis with counterdie 13 and recipient 6, described recipient 6 is equipped with fluid power system, described counterdie 13 is arranged on lower model fixing seat 7, described lower model fixing seat 7 is arranged on trave lling girder 8, described trave lling girder 8 is equipped with hydraulic power system.
Referring to Fig. 4, the upper model fixing seat 4 of the present invention is ladder mesa structure, and its upper end large area table top and fixing beam 3 assemble, and lower end little area table top and upper mould 5 assemble; The lower model fixing seat 7 of the present invention is ladder mesa structure, and the little area table top in its upper end and counterdie 13 assemble, and lower end large area table top and trave lling girder 8 assemble.
Referring to Fig. 3, Fig. 5, the hydraulic power system of the present invention includes fuel tank, Oil pump electrical machinery group, Accumulator arrangements, pressure booster set, trave lling girder drives oil cylinder and recipient to drive oil cylinder, described Oil pump electrical machinery group oil circuit import connects with fuel tank, the outlet of its oil circuit connects with Accumulator arrangements, connect pressure booster set after described Accumulator arrangements and recipient drives oil cylinder, described pressure booster set drives oil cylinder to be connected with trave lling girder, described trave lling girder drives oil cylinder 10 to be distributed on below actuator, the assembling fixing with trave lling girder 8 bottom surface of its telescopic arm, described recipient drives oil cylinder 12 to be symmetrically arranged, they are arranged between two groups, front and back gantry deckle board of organism frame, the assembling fixing with recipient 6 of its telescopic arm.
Referring to Fig. 6, Fig. 7, Fig. 8, the sidewall of the organism frame of the present invention is provided with dummy block conveying robot 14, described dummy block conveying robot includes arm rotary drive unit 14-1, arm elevation driving unit 14-2, arm component 14-3, grip unit 14-4, balance weight 14-6 and fixing seat 14-5, described fixing seat 14-5 is arranged on the sidewall paneling of organism frame, described arm rotary drive unit 14-1 is arranged on fixing seat 14-5, described arm elevation driving unit 14-2 and arm rotary drive unit 14-1 is equipped with, described arm component 14-3 front end is equipped with arm rotary drive unit 14-1 and arm elevation driving unit 14-2, end at arm component 14-3 assembles grip unit 14-4, described grip unit 14-4 extrudes glass isolator with Steel Pipe Heat and mates, described balance weight 14-6 is connected with arm component 14-3 by drag-line.
Referring to Fig. 1, Fig. 2, Fig. 3, Fig. 4, the present invention adopts combination type body frame structure, by the cooperation of big pull bar 2 and lower link bar 9, gantry deckle board 1 is assembled together, define the high intensity space framework of Guan Bi, it can not only bear shock loading huge in steel tube extrusion process, and reduces the manufacturing cost of equipment; The upper model fixing seat 4 of the present invention and lower model fixing seat 7 all adopt ladder mesa structure, make power concentration be transferred to mould 5 and the force part of counterdie 13, it is ensured that the stability of extrusion process; Pedestal 11 and hydraulic power system are arranged in the under ground portion of equipment installing base by the present invention, have both decreased taking of aerial parts space, reduce again equipment integral installation height, and the handling for tube product provides conveniently.
Referring to Fig. 5, Accumulator arrangements and pressure booster set are used in combination by the hydraulic power system of the present invention, it reduces hydraulic shock or pressure fluctuation by Accumulator arrangements, ensure the stability of system pressure, utilize pressure booster set as auxiliary power source simultaneously, both can meet the power demand of the present invention, reduce installed capacity simultaneously.
The work process of the present invention is: recipient drives the telescopic arm of oil cylinder 12 to stretch out, and recipient 6 is sleeved on outside counterdie 13, is placed to by extrusion blank above recipient 6, then is placed on above extrusion blank by dummy block conveying robot 13 by dummy block; Then PLC system controls hydraulic power system action, trave lling girder drives oil cylinder 10 telescopic arm to stretch out, recipient drives the telescopic arm of oil cylinder 12 to retract, trave lling girder 8, lower model fixing seat 7, counterdie 13, recipient 6 and extrusion blank move upward, after extrusion blank contacts with upper mould 5, under the motive force effect that counterdie 13 is powerful, extrusion blank is extruded from the annular recess of upper mould 5, is shaped to tube product;Then being transported to appointment position by supporting handling appliance again, recipient drives the telescopic arm of oil cylinder 12 to stretch out, trave lling girder drives the telescopic arm of oil cylinder 10 to retract, and trave lling girder 8, lower model fixing seat 7 and recipient 6 return to initial position.
Referring to Fig. 6, Fig. 7, Fig. 8, the work process of the dummy block conveying robot 13 of the present invention is: driven arm component 14-3 to rotate to an angle by arm rotary drive unit 14-1, arm component 14-3 drives grip unit 14-4 to arrive the position of hot extrusion steel tube preheated charge simultaneously, then is clamped by hot extrusion steel tube preheated charge by grip unit 14-4; Then being driven arm component 14-3 to rotate to an angle by arm rotary drive unit 14-1, arm component 14-3 drives grip unit 14-4 that hot extrusion steel tube preheated charge 9 is placed into appointment position simultaneously; Finally, make hot extrusion steel tube preheated charge transportation manipulator return according to the operation order contrary with above-mentioned steps, recover to original operating state.
Claims (3)
1. the 500MN extrusion equipment being used for producing Large Diameter Pipeline seamless steel pipe, it is characterized in that, it includes pedestal (11), organism frame, extruding actuator, hydraulic power system and PLC system, and matched equipment installing base facility includes underground and aboveground two parts; Described pedestal (11) is fixed on the under ground portion of equipment installing base facility; Described organism frame is fixed on pedestal (11), it includes two groups, front and back gantry deckle board (1), each of which group gantry deckle board (1) is fixed together by the lower link bar (9) of uniformly arrangement up and down, two groups, front and back gantry deckle boards are by the fixing assembling of upper and lower two groups of big pull bars (2), described extruding actuator is installed in the chamber, gantry of organism frame, described hydraulic power system is arranged in the under ground portion of equipment installing base facility, hydraulic power system and extruding actuator by PLC system control;
Described extruding actuator includes fixing beam (3), upper model fixing seat (4), upper mould (5), recipient (6), counterdie (13), lower model fixing seat (7) and trave lling girder (8), described fixing beam (3) is arranged on the top in chamber, organism frame gantry, described upper model fixing seat (4) is arranged on the bottom surface of fixing beam (3), described upper mould (5) is arranged on model fixing seat (4), upper mould (5) is positioned on same central axis with counterdie (13) and recipient (6), described recipient (6) is equipped with fluid power system, described counterdie (13) is arranged on lower model fixing seat (7), described lower model fixing seat (7) is arranged on trave lling girder (8), described trave lling girder (8) is equipped with hydraulic power system,
Described upper model fixing seat (4) is ladder mesa structure, and its upper end large area table top assembles with fixing beam (3) assembling, lower end little area table top and upper mould (5);
Described lower model fixing seat (7) is ladder mesa structure, and the little area table top in its upper end assembles with counterdie (13) assembling, lower end large area table top and trave lling girder (8).
2. a kind of 500MN extrusion equipment for producing Large Diameter Pipeline seamless steel pipe according to claim 1, it is characterized in that, described hydraulic power system includes fuel tank, Oil pump electrical machinery group, Accumulator arrangements, pressure booster set, trave lling girder drives oil cylinder and recipient to drive oil cylinder, described Oil pump electrical machinery group oil circuit import connects with fuel tank, the outlet of its oil circuit connects with Accumulator arrangements, connect pressure booster set after described Accumulator arrangements and recipient drives oil cylinder, described pressure booster set drives oil cylinder to be connected with trave lling girder, described trave lling girder drives oil cylinder (10) to be distributed on below actuator, the assembling fixing with trave lling girder (8) bottom surface of its telescopic arm, described recipient drives oil cylinder (12) to be symmetrically arranged, they are arranged between two groups, front and back gantry deckle board (1) of organism frame, the assembling fixing with recipient (6) of its telescopic arm.
3. a kind of 500MN extrusion equipment for producing Large Diameter Pipeline seamless steel pipe according to claim 2, it is characterized in that, the sidewall of described organism frame is provided with dummy block conveying robot (14), described dummy block conveying robot includes arm rotary drive unit (14-1), arm elevation driving unit (14-2), arm component (14-3), grip unit (14-4), balance weight (14-6) and fixing seat (14-5), described fixing seat (14-5) is arranged on the sidewall paneling of organism frame, described arm rotary drive unit (14-1) is arranged on fixing seat (14-5), described arm elevation driving unit (14-2) is equipped with arm rotary drive unit (14-1), described arm component (14-3) front end is equipped with arm rotary drive unit (14-1) and arm elevation driving unit (14-2), end at arm component (14-3) assembles grip unit (14-4), described grip unit (14-4) extrudes glass isolator with Steel Pipe Heat and mates, described balance weight (14-6) is connected with arm component (14-3) by drag-line.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310708940.1A CN103736769B (en) | 2013-12-20 | 2013-12-20 | A kind of 500MN extrusion equipment for producing Large Diameter Pipeline seamless steel pipe |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201310708940.1A CN103736769B (en) | 2013-12-20 | 2013-12-20 | A kind of 500MN extrusion equipment for producing Large Diameter Pipeline seamless steel pipe |
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| CN103736769A CN103736769A (en) | 2014-04-23 |
| CN103736769B true CN103736769B (en) | 2016-06-08 |
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| CN203109145U (en) * | 2012-12-31 | 2013-08-07 | 河北宏润重工股份有限公司 | Vertical type seamless steel tube blank making machine |
| CN203221076U (en) * | 2012-12-31 | 2013-10-02 | 河北宏润重工股份有限公司 | Ultra-high-pressure frame-plate type vertical thermal squeezed large-aperture seamless steel pipe hydraulic press |
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|---|---|---|---|---|
| JPS61147916A (en) * | 1984-12-19 | 1986-07-05 | Kobe Steel Ltd | Extrusion method of tubular or bar like shaped product adding mandrel power quantity |
| CN2628778Y (en) * | 2003-02-06 | 2004-07-28 | 郑学渊 | Energy-accumulating pressure boosting and speed increasing device for injecting system of rotary disc injection moulding machine |
| CN2925666Y (en) * | 2006-06-30 | 2007-07-25 | 陈啟炜 | Puncture extruder for producing aluminum-alloy seamless pipe |
| CN101391354A (en) * | 2008-11-06 | 2009-03-25 | 哈尔滨工程大学 | Suspension takeover welding robot |
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