CN103381429B - For processing the extruder of Varied section seamless pipe - Google Patents
For processing the extruder of Varied section seamless pipe Download PDFInfo
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- CN103381429B CN103381429B CN201310292369.XA CN201310292369A CN103381429B CN 103381429 B CN103381429 B CN 103381429B CN 201310292369 A CN201310292369 A CN 201310292369A CN 103381429 B CN103381429 B CN 103381429B
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Abstract
The present invention discloses a kind of extruder for processing Varied section seamless pipe, comprises displacement detecting instrument, signal controlling organization, servo oil pump, threaded retainers and locator driving mechanism; Described displacement detecting instrument gathers the displacement signal of pecker and is input to signal controlling organization, and one of output of signal controlling organization is connected with servo oil pump, and servo oil pump drives perforation oil cylinder, periodically changes its position by perforation hydraulic oil cylinder driving pecker; Two of the output of signal controlling organization is connected with locator driving mechanism, and locator driving mechanism drives the forward and backward movement of threaded retainers, for positioning restriction to perforation oil cylinder; The relative position of threaded retainers and servo oil pump fine adjustment pecker and extrusion die is controlled, the hollow seamless pipe that Formation cross-section is changeable by signal controlling organization.Of the present invention simple to operate, processing cost is low, directly can squeeze out the hollow seamless pipe of different cross section.
Description
Technical field
The present invention relates to the extruder for processing Varied section seamless pipe, belonging to seamless pipe processing unit (plant).
Background technology
Along with the development of science and technology, the raising of production technology, at special dimensions such as machine-building, oil, the energy, oceans by adopting ladder tapered pipe fitting can optimizing structure design, what make them connect be more firm.But the section of aluminium alloy seamless pipe that the double-acting extruding machine that prior art adopts is produced is constant, namely from be expressed to end, the internal-and external diameter wall thickness of its cross dimensions is all consistent.Do not have a kind of extruder directly can squeeze out the seamless pipe of cross dimensions change at present, thus the production of ladder Varied section seamless pipe can not be realized.
Summary of the invention
The object of the invention is to overcome the seamless pipe wall thickness that existing extruder produces consistent, providing a kind of extruder for processing Varied section seamless pipe, this extruder simple to operate, registration, directly extrusion process can go out the changeable seamless pipe in cross section.
Object of the present invention can be achieved through the following technical solutions:
For processing the extruder of Varied section seamless pipe, comprise support, separating mechanism, compression tool, hydraulic mechanism and heating system more than the prestressed frame be arranged on support, charging and discharging mechanism, pressure, described compression tool comprises extrusion axis, recipient, pecker and extrusion die, described hydraulic mechanism comprises master cylinder, auxiliary oil cylinder, perforation oil cylinder and servo oil pump, it is characterized in that: also comprise displacement detecting instrument, signal controlling organization, servo oil pump, threaded retainers and locator driving mechanism;
Described displacement detecting instrument gathers the displacement signal of pecker and is input to signal controlling organization, and one of output of signal controlling organization is connected with servo oil pump, and servo oil pump drives perforation oil cylinder, periodically changes its position by perforation hydraulic oil cylinder driving pecker; Two of the output of signal controlling organization is connected with locator driving mechanism, and locator driving mechanism drives the forward and backward movement of threaded retainers, for positioning restriction to perforation oil cylinder; The relative position of threaded retainers and servo oil pump fine adjustment pecker and extrusion die is controlled, the hollow seamless pipe that Formation cross-section is changeable by signal controlling organization.
Object of the present invention can also be achieved through the following technical solutions:
Further: also comprise speed detector and temperature monitor, speed detector and temperature monitor gather extruded velocity and the temperature of foundry goods, be input to signal controlling organization, three of output of signal controlling organization is connected with the oil pump of master cylinder, controls extrusion speed and the deformation temperature of foundry goods
Further: described pecker adopts multi-stag pecker or cone pecker.
Further: described signal controlling organization comprises PLC, touch-screen, signal converter, magnetic valve and host computer.
Further: described locator driving mechanism comprises worm gear, worm screw and servomotor, signal controlling organization is electrically connected with servomotor; Worm gear set on threaded retainers, with threaded retainers threaded engagement, servomotor drives worm screw to rotate, and worm screw drives worm gear wheel thus drives threaded retainers forward and backward movement.
Further: described oil pump adopts servo-hydraulic oil pump, described perforation oil cylinder adopts ram cylinder, expands the area of ram cylinder, adds piercing force and adds the ability overcoming the pecker resistance of motion.
Beneficial effect of the present invention:
1, of the present invention simple to operate, processing cost is low, the relative position of servo oil pump and threaded retainers fine adjustment pecker and extrusion die is controlled by signal controlling organization, master cylinder extrusion speed is controlled by signal controlling organization, have adjusted the deformation temperature of ingot casting and the speed of extrusion molding, directly can squeeze out the hollow seamless pipe of different cross section.
2, expand the application of aluminium alloy seamless pipe, as three bars (flagpole, lamp stand and electric pole) are large by the thickness of pipe wall of one end, ground, top tube wall is thin, thus increases its intensity, firmness.Can also be produced two thickness of pipe wall of probing bar requirement by this novel double-movable extruder, middle tube wall is thin.
3, the present invention can produce the tapered seamless pipe of various difference, and its commercial Application economic worth is large, good in economic efficiency.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention.
Fig. 2 is the circuit block diagram of signal controlling organization of the present invention.
Fig. 3 is backward extrusion processing process figure of the present invention.
Fig. 4 is the pecker that the specific embodiment of the invention 1 adopts.
Fig. 5 is the ladder Varied section seamless pipe that the specific embodiment of the invention 1 is formed.
Fig. 6 is the pecker that the specific embodiment of the invention 2 adopts.
Fig. 7 is the thick Varied section seamless pipe in intermediate thin two ends that the specific embodiment of the invention 2 is formed.
Fig. 8 is the Varied section seamless pipe of two mechanical periodicity that the specific embodiment of the invention 2 is formed.
Fig. 9 is the irregular Varied section seamless pipe that the specific embodiment of the invention 2 is formed.
Figure 10 is the Varied section seamless pipe thickening gradually in tube wall that the specific embodiment of the invention 2 is formed.
Detailed description of the invention
Below in conjunction with accompanying drawing, the present invention is further illustrated.
Specific embodiment 1:
With reference to the extruder for processing Varied section seamless pipe shown in Fig. 1, Fig. 2, Fig. 3, Fig. 4 and Fig. 5, comprise support 1, separating mechanism, compression tool 2, hydraulic mechanism 3, heating system, displacement detecting instrument 4-1, speed detector 4-2 and temperature monitor 4-3, signal controlling organization 5, threaded retainers 7, locator driving mechanism 8 and servo oil pump 6 etc. more than the prestressed frame be arranged on support 1, charging and discharging mechanism, pressure; Wherein separating mechanism more than prestressed frame, charging and discharging mechanism, pressure, the master cylinder 3-1 of hydraulic mechanism 3, auxiliary oil cylinder, compression tool 2 comprise extrusion axis 2-1, recipient 2-2 and extrusion die 2-4 etc. and all adopt prior art.
The perforation oil cylinder 3-3 of hydraulic mechanism 3 adopts ram cylinder, expands the area of ram cylinder, adds piercing force and adds the ability overcoming the pecker resistance of motion.Perforation oil cylinder 3-3 is except increasing oil cylinder area, and its locations of structures adopts prior art.Servo oil pump 6 adopts servo-hydraulic oil pump, and the perforation oil cylinder 3-3 in the built-in what main plunger of pecker 2-3, pecker 2-3 adopt multi-stag pecker.
Displacement detecting instrument 4-1 is for detecting the displacement information of pecker, speed detector 4-2 is for detecting foundry goods extruded velocity, temperature monitor 4-3 is for detecting casting deformation temperature, the information that displacement detecting instrument 4-1, speed detector 4-2 and temperature monitor 4-3 gather is input to signal controlling organization 5, one of output of signal controlling organization 5 is connected with servo oil pump 6, servo oil pump 6 drives perforation oil cylinder 3-3, drives pecker 2-3 periodically to change its position by perforation oil cylinder 3-3; Two of the output of signal controlling organization 5 is connected with locator driving mechanism 8, threaded retainers 7 matches with locator driving mechanism 8, be arranged on the front end of trave lling girder 9, locator driving mechanism 8 drives the forward and backward movement of threaded retainers 7, for positioning restriction to perforation oil cylinder 3-3; The changeable hollow seamless pipe of the relative position Formation cross-section of threaded retainers 7 and servo oil pump 6 fine adjustment pecker 2-3 and extrusion die 2-4 is controlled by signal controlling organization 5.Three of signal controlling organization 5 is connected with the oil pump of master cylinder 3-1, is controlled the extrusion speed of master cylinder 3-1 by signal controlling organization 5, thus controls the length of each section of Varied section seamless pipe.Auxiliary oil cylinder and master cylinder 3-1 link, and are mainly used in the rollback of master cylinder except increasing and extruding power.
Described signal controlling organization 5 comprises PLC 5-1, touch-screen 5-2, signal converter 5-3, magnetic valve 5-4 and host computer 5-5, described displacement detecting instrument 4-1, the information that speed detector 4-2 and temperature monitor 4-3 gathers is input to PLC 5-1, by touch-screen 5-2 by design temperature, speed and positional information are input to host computer 5-5, PLC 5-1 is input to by host computer 5-5, PLC 5-1 controls the oil pump of servo oil pump 6 and master cylinder 3-1 by magnetic valve 5-4, PLC 5-1 controls servomotor 8-3 by signal converter 5-3.
Described locator driving mechanism 8 comprises worm gear 8-1, worm screw 8-2 and servomotor 8-3, worm gear 8-1 is enclosed within threaded retainers 7, with threaded retainers 7 threaded engagement, servomotor 8-3 drives worm screw 8-2 to rotate, and worm screw 8-2 drives worm gear 8-1 to rotate thus drives the forward and backward movement of threaded retainers 7.
Adopt the double-action reverse extruder that the present invention is formed, the displacement that this extruder adopts displacement detecting instrument 4-1, speed detector 4-2 and temperature monitor 4-3 detects pecker 2-3, ingot casting extruded velocity and temperature information. the extrusion speed of master cylinder 3-1 is controlled by signal controlling organization 5, thus control the deformation temperature of ingot casting and the speed of extrusion molding, keep the stability of its extruded velocity, be convenient to the length determining each section.Servo oil pump 6 is controlled by signal controlling organization 5, thus the perforation oil cylinder 3-3 controlled in built-in what main plunger drives its position of pecker 2-3 cyclically-varying, the position of servo oil pump 6 fine adjustment pecker 2-3 is coordinated by threaded retainers 7, make the position control accuracy of pecker 2-3 by original more than 1.0mm, rise to below 0.5mm.The change of pecker 2-3 and extrusion die 2-4 relative position forms the hollow seamless pipe of different cross section shape.Use the mode of reverse extrusion, make extrusion process have more superiority.
The area of perforation oil cylinder 3-3 expanded, makes its thrust forward and rollback power backward greatly increase and add the ability overcoming the pecker 2-3 resistance of motion.Its piercing force of two dynamic indirect extrusion machine as a 60MN reaches 15MN by original 9MN, and rollback power reaches 12MN by original 4.8MN, ensure that pecker 2-3 can periodically convert its position.
From founding mathematical models, to the detection of master cylinder 3-1 stroke, the extruding temperature detection of finished product and the detection of extruded velocity, the accurate control of pecker 2-3 position; to the adjustment turning Change hydraulic system and feed back into (comprising pressure and flow) master cylinder 3-1 speed, operator can reach technological requirement by adjustment signal controlling organization 5.
The reverse extrusion workflow that the present invention specifically implements is as follows:
The present invention adopts front upper bar (upper between material level what extrusion axis and mould, to decrease the stroke of master cylinder), after holding out against bar; By the position of recipient oil cylinder adjustment recipient 2-2, recipient 2-2 puts in place; Travelled forward by main plunger and bar clamp-oned and is full of in recipient 2-2; Drive the piston 3-3 of the perforation oil cylinder in main plunger to move by servo oil pump 6, perforation oil cylinder 3-3 drives pecker 2-3 to realize perforation, coordinates with extrusion die 2-4; Advanced by main plunger and realize reverse extrusion; Perforation oil cylinder 3-3 is driven to regulate the relative position of pecker 2-3 and extrusion die 2-4 to change by servo oil pump 6, the position of locator driving mechanism 8 adjustable screw locator 7 is driven by servomotor 8-3, thus the position of fine adjustment pecker 2-3, the hollow seamless pipe coordinating Formation cross-section changeable by extrusion axis 2-1, extrusion die 2-4 and pecker 2-3.Recipient 2-2, master cylinder 3-1 reset, finally by the remaining bar of pressure remaining its disengagement pressure, and the finished product seamless pipe that Formation cross-section is changeable.
Three grades of formula cylinder peckers are adopted with reference to pecker 2-3 shown in Fig. 4, these three grades of formula cylinder peckers have a, b, c tri-sections respectively, first extrude from a position of three grades of formula cylinder peckers, after arriving certain length, three grades of formula cylinder peckers are fallen back on b position and start extruding, the tube wall now formed is thickening, again three grades of formula cylinder peckers are fallen back on c position and start extruding, the tube wall now formed is thicker, thus forms three grades of formula ladder seamless pipes, as shown in Figure 5.
Specific embodiment 2:
With reference to shown in Fig. 6, the feature of the present embodiment is: described pecker 2-3 adopts cone pecker, and other features are identical with having embodiment 1.
The pecker 2-3 of the present embodiment adopts cone pecker, first extrude from the e position of cone pecker, after being expressed to certain hour (selecting the time that pecker stops as required), then slowly pecker is advanced, tube wall diminishes gradually, when f position shifted onto by cone pecker, tube wall is minimum, now extrude after a period of time until soon as required, cone pecker is allowed slowly to retreat again, pipe thickness thickeies again gradually, when cone pecker falls back on f position, tube wall is consistent with the pipe thickness of initial compression, advanced by cone pecker, a slow astern variable cross-section seamless pipe that period-producer intermediate thin two ends are thick, as shown in Figure 7.
Cone pecker can also be controlled by signal controlling organization 5 to advance, retreat two cycles, form the variable cross-section seamless pipe of two mechanical periodicity as shown in Figure 8.
Can also control the cone pecker previous cycle by signal controlling organization 5 short, rear one-period is long, forms irregular variable cross-section seamless pipe as shown in Figure 9.
Cone pecker can also be controlled by signal controlling organization 5 and move half period, form gradual change variable cross-section seamless pipe as shown in Figure 10.
Claims (4)
1. for processing the extruder of Varied section seamless pipe, comprise support (1), be arranged on the prestressed frame on support (1), charging and discharging mechanism, the remaining separating mechanism of pressure, compression tool (2), hydraulic mechanism (3) and heating system, described compression tool (2) comprises extrusion axis (2 ?1), recipient (2 ?2), pecker (2 ?3) and extrusion die (2 ?4), described hydraulic mechanism (3) comprises master cylinder (3 ?1), auxiliary oil cylinder and perforation oil cylinder (3 ?3), it is characterized in that: also comprise displacement detecting instrument (4 ?1), signal controlling organization (5), servo oil pump (6), threaded retainers (7) and locator driving mechanism (8),
Described displacement detecting instrument (4 ?1) gathers the displacement signal of pecker and is input to signal controlling organization (5), one of output of signal controlling organization (5) is connected with servo oil pump (6), servo oil pump (6) drives perforation oil cylinder (3 ?3), drives pecker (2 ?3) periodically to change its position by perforation oil cylinder (3 ?3); Two of the output of signal controlling organization (5) is connected with locator driving mechanism (8), locator driving mechanism (8) drives threaded retainers (7) forward and backward movement, for positioning restriction to perforation oil cylinder (3 ?3); The changeable hollow seamless pipe of the relative position Formation cross-section of threaded retainers (7) and servo oil pump (6) fine adjustment pecker (2 ?3) and extrusion die (2 ?4) is controlled by signal controlling organization (5);
Also comprise speed detector (4 ?2) and temperature monitor (4 ?3), speed detector (4 ?2) and temperature monitor (4 ?3) gather the extruded velocity of foundry goods and temperature is input to signal controlling organization (5), three of the output of signal controlling organization (5) is connected with the oil pump of master cylinder (3 ?1), controls extrusion speed and the deformation temperature of foundry goods;
Described locator driving mechanism (8) comprises worm gear (8 ?1), worm screw (8 ?2) and servomotor (8 ?3), and signal controlling organization (5) and servomotor (8 ?3) are electrically connected; Threaded retainers (7) is arranged on the front end of trave lling girder (9), worm gear (8 ?1) is enclosed within threaded retainers (7), with threaded retainers (7) threaded engagement, servomotor (8 ?3) drives worm screw (8 ?2) to rotate, and worm screw (8 ?2) drives worm gear (8 ?1) rotate thus drive threaded retainers (7) forward and backward movement.
2. the extruder for processing Varied section seamless pipe according to claim 1, is characterized in that: described pecker (2 ?3) adopts multi-stag pecker or cone pecker.
3. the extruder for processing Varied section seamless pipe according to claim 1, is characterized in that: described signal controlling organization (5) comprises PLC (5 ?1), touch-screen (5 ?2), signal converter (5 ?3), magnetic valve (5 ?4) and host computer (5 ?5).
4. the extruder for processing Varied section seamless pipe according to claim 1, is characterized in that: described perforation oil cylinder (3 ?3) adopts ram cylinder, expands the area of ram cylinder, increases piercing force.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201310292369.XA CN103381429B (en) | 2013-07-11 | 2013-07-11 | For processing the extruder of Varied section seamless pipe |
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| CN201310292369.XA CN103381429B (en) | 2013-07-11 | 2013-07-11 | For processing the extruder of Varied section seamless pipe |
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| CN103381429B true CN103381429B (en) | 2016-01-20 |
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Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104438407B (en) * | 2014-09-16 | 2016-04-20 | 湖北泰福瑞轻合金有限公司 | A kind of production method of high-strength mini reductor Al alloy shell frame body sectional material |
| CN105903776A (en) * | 2016-06-06 | 2016-08-31 | 苏州巴茨流体动力技术有限公司 | Multifunctional steel pipe section extrusion-forming equipment |
| CN108941234A (en) * | 2018-07-06 | 2018-12-07 | 扬州瑞斯乐复合金属材料有限公司 | A kind of control method of the extruded velocity of microchannel aluminium flat conduit |
| CN110227730B (en) * | 2019-06-13 | 2020-11-17 | 北京科技大学 | Extrusion device and method for producing variable-section seamless pipe |
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| GB861569A (en) * | 1958-04-24 | 1961-02-22 | Hydraulik Gmbh | Process and apparatus for the manufacture by extrusion of metal tubes |
| US3664168A (en) * | 1970-02-12 | 1972-05-23 | Lev Mikhailovich Shtin | Horizontal hydraulic press for tubular articles |
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Address after: Nanhai Shishan town Economic Development Zone in the South China Sea North Road 528225 Guangdong city of Foshan province No. 14 Applicant after: Foshan Nanhai Mingsheng Machine Manufacture Co., Ltd. Applicant after: GUANGDONG WEIYE ALUMINIUM FACTORY GROUP CO., LTD. Address before: Nanhai Shishan town Economic Development Zone in the South China Sea North Road 528225 Guangdong city of Foshan province No. 14 Applicant before: Foshan Nanhai Mingsheng Machine Manufacture Co., Ltd. Applicant before: Guangdong Weiye Aluminium Factory Co., Ltd. |
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