CN105537450A - Hot extrusion type spinning process and device - Google Patents

Hot extrusion type spinning process and device Download PDF

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Publication number
CN105537450A
CN105537450A CN201610014095.1A CN201610014095A CN105537450A CN 105537450 A CN105537450 A CN 105537450A CN 201610014095 A CN201610014095 A CN 201610014095A CN 105537450 A CN105537450 A CN 105537450A
Authority
CN
China
Prior art keywords
pattern
extrusion
blank
platen
jumping
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
CN201610014095.1A
Other languages
Chinese (zh)
Inventor
黄志峰
张建勇
徐建
张永华
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.)
JIANGSU MASADA HEAVY INDUSTRIES Co Ltd
Original Assignee
JIANGSU MASADA HEAVY INDUSTRIES 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 JIANGSU MASADA HEAVY INDUSTRIES Co Ltd filed Critical JIANGSU MASADA HEAVY INDUSTRIES Co Ltd
Priority to CN201610014095.1A priority Critical patent/CN105537450A/en
Publication of CN105537450A publication Critical patent/CN105537450A/en
Pending legal-status Critical Current

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Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B21MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21DWORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D22/00Shaping without cutting, by stamping, spinning, or deep-drawing
    • B21D22/14Spinning
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B21MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21DWORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D37/00Tools as parts of machines covered by this subclass
    • B21D37/16Heating or cooling
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B21MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21DWORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D53/00Making other particular articles
    • B21D53/26Making other particular articles wheels or the like
    • B21D53/261Making other particular articles wheels or the like pulleys

Abstract

The invention discloses a hot extrusion type spinning process and a device. The hot extrusion type spinning process is completed by successively carrying out upsetting extrusion type spinning and molding extrusion type spinning. A pulley blank is arranged between a rotary driving and pressing plate and a driven pressing plate; a PLC controller and a hydraulic cylinder b are arranged on both the left side and the right side of a lathe body; an extrusion upsetting profile die and an extrusion molding profile die are respectively arranged on the hydraulic cylinder b; flame heating guns are arranged on two sides of each of the extrusion upsetting profile die and the extrusion molding profile die; the extrusion upsetting profile die, the extrusion molding profile die and the flame heating guns are aligned to a crown part of the pulley blank; the extrusion upsetting profile die and the extrusion molding profile die are used for forming a die cavity sealed state under the working condition. According to the hot extrusion type spinning process and the device, a hot-split type spinning and processing pulley groove is improved into a hot extrusion type spinning process processing pulley groove; the processing pulley groove is not cut; due to the extrusion spinning, the side wall thickness of the pulley groove is increased; the metal structure is denser; the metal structure fiber flow direction is free of damage and is reinforced.

Description

A kind of hot extrusion type spinning process method and apparatus
Technical field
The present invention relates to ship equipment technical field, particularly a kind of hot extrusion type spinning process method and apparatus.
Background technology
At present, when loop wheel machine pulley peculiar to vessel makes, generally all adopt modern advanced hot cleavage spinning technique.Although also achieve few without machining by this technique, but due to the disc-shaped material that pulley blank is Sheet Metal Processing, during cleavage spinning, pulley bizet forms U-type groove, its groove sidewall thickness mostly is the half of sotck thinkness most, and when riving, metal fibrous tissue is originally destroyed, fiber is cut off, and fiber orientation wadding disorderly.After including cable wire in pulley U-type groove when operating, the huge pulling force of cable wire causes and to the pressure of groove, groove is ftractureed, and even peels off and causes inefficacy.
Summary of the invention
The invention provides a kind of hot extrusion type spinning process solving prior art deficiency, process the hot extrusion type spinning process method and apparatus of the U-type groove of pulley bizet.
The technical solution used in the present invention is:
A kind of hot extrusion type spinning process method, its innovative point is: successively through jumping-up squash type spinning, Contoured squeeze formula spinning to complete hot extrusion type spinning process, its concrete steps are as follows:
1) jumping-up squash type spinning: use extruding jumping-up pattern, from the radial compression blank of blank, make the bizet of circular blank form 0 font, control the radial displacement of extruding jumping-up pattern, after meeting the requirements of shift value, PLC provides the instruction that flame thrower maintains flame, pattern remakes microfeed motion, and the cavity surface of pattern, to O font blank Extrusion a few second, makes to be extruded any surface finish, and cause fine grain, and extruding jumping-up pattern carries out under the state of cavity closed;
2) Contoured squeeze formula spinning: flame sprays and again sprays, extruding jumping-up pattern retreats, the die cavity being in the extruded pattern of extruding workbench opposite side contacts and carries out extruding back established O font material component, under the spinning of brute force, U-type groove is formed at circular blank bizet, after extruded pattern feeding puts in place, flame thrower stops working, extruded pattern continues to do Extrusion a few second, make U-type groove surface finishing no concave-convex, and extruded pattern carries out under the state of cavity closed.
Another object of the present invention discloses a kind of hot extrusion type spinning machine, main body is bed body, its innovative point is, on the lateral attitude of described bed body, one end is provided with main shaft power, the other end is provided with hydraulic cylinder a, described main shaft power is provided with rotary actuation platen, the center of described rotary actuation platen is provided with spindle nose, described hydraulic cylinder a is provided with servo-actuated platen, described rotary actuation platen and the symmetrical setting of servo-actuated platen, pulley blank is provided with between described rotary actuation platen and servo-actuated platen, the borehole jack at the center of described pulley blank is on the spindle nose of described rotary actuation platen, the left and right sides of described bed body is all provided with PLC and hydraulic cylinder b, described hydraulic cylinder b is arranged respectively extruding jumping-up pattern and extruded pattern, the both sides of described extruding jumping-up pattern and extruded pattern are all provided with two flame heating guns, described extruding jumping-up pattern, extruded pattern and flame heating gun all aim at the bizet of described pulley blank, described extruding jumping-up pattern and extruded pattern in working order lower and pulley blank form cavity closed state.
Beneficial effect of the present invention is as follows:
1) hot cleavage spinning processing pulley race is improved to hot extrusion type spinning process processing pulley race, while realization is without machining pulley race, because squash type spinning makes race sidewall thickness increase, and metal structure is finer and close, metal structure fiber flow direction is without destroying and strengthening;
2) hot extrusion type spinning is divided into again jumping-up and shaping two steps synthesis, and the first step has made pulley take turns bizet to have condensed many for the material forming race cell wall further, and during second step formed spinning, cell wall has enough thickness and any surface finish;
3) adopt when spinning mechanical type platen to control the part of not being heated, hot compression deformation only being concentrated among the radial certain size of crown, ensure that the dimensional accuracy of pulley body and web, without the need to repairing pulley hole etc. after process finishing;
4) adopt the heating of pulley crown flame and water-cooled technique, its effect makes pulley crown groove portion grain structure good, reaches quality adjustment condition, make steel reach the state of quenching press average tempering.
Accompanying drawing explanation
Below in conjunction with the drawings and specific embodiments, the present invention is described in further details.
Fig. 1 is structural representation of the present invention.
Fig. 2 reflects duty and the effect of hot extrusion jumping-up pattern and hot-pressed pattern.
Drawing reference numeral: 1-bed body, 2-main shaft power, 3-hydraulic cylinder a, 4-rotary actuation platen, 41-spindle nose, the servo-actuated platen of 5-, 6-pulley blank, 7-PLC controller, 8-hydraulic cylinder b, 9-extrude jumping-up pattern, the extruded pattern of 10-, 11-flame heating gun, 12-equipment water jetting cooler.
Detailed description of the invention
As Fig. 1, a kind of hot extrusion type spinning machine shown in Fig. 2, main body is bed body 1, on the lateral attitude of described bed body 1, one end is provided with main shaft power 2, the other end is provided with hydraulic cylinder a3, described main shaft power 2 is provided with rotary actuation platen 4, the center of described rotary actuation platen is provided with spindle nose 41, described hydraulic cylinder a3 is provided with servo-actuated platen 5, described rotary actuation platen 4 and the symmetrical setting of servo-actuated platen 5, pulley blank 6 is provided with between described rotary actuation platen 4 and servo-actuated platen 5, the borehole jack at the center of pulley blank 6 is on the spindle nose 41 of rotary actuation platen 4, the left and right sides of described bed body 1 is all provided with PLC 7 and hydraulic cylinder b8, described hydraulic cylinder b8 is arranged respectively extruding jumping-up pattern 9 and extruded pattern 10, the both sides of described extruding jumping-up pattern 9 and extruded pattern 10 are all provided with two flame heating guns 11, described extruding jumping-up pattern 9, extruded pattern 10 and flame heating gun 11 all aim at the bizet of described pulley blank 6, described rotary actuation platen 4 is provided with equipment water jetting cooler 12.
The borehole jack at the center of the pulley blank 6 through machining rotary actuation platen 4 spindle nose 41 on, drive hydraulic cylinder a3, make servo-actuated platen 5 that pulley blank 6 is pressed on rotary actuation platen 4, the diameter that rotary actuation platen 4 and servo-actuated platen 5 are pressed in the chamber shape dish on pulley blank 6 is identical, and pulley blank 6 is not produced distortion by processing below of the part of pressing, also can not warpage, to ensure the correct shape of pulley; First be that extruding jumping-up pattern 9 and the flame heating gun 11 being in homonymy work, under the control of PLC 7, the burning of flame heating gun 11 brute force, extruding jumping-up pattern 9 moves ahead to the radial direction of pulley blank 6, lean against the bizet of blank when pulley blank 6 High Rotation Speed and extrude, when the feeding of extruding jumping-up pattern 9 puts in place, PLC 7 instruction flame heating gun 11 reduces burning, extrudes bright and clean extruding a few second that jumping-up pattern 9 makes Fine Feed simultaneously; Extrude jumping-up pattern 9 subsequently to retreat, the flame heating gun 11 brute force burning of extrusion molding pattern 10 feeding of the other end and homonymy, the O shape bizet of pulley blank 6 is made to form U-lag, after this flame heating gun 11 stops working, extrusion molding pattern 10 makes Extrusion, and equipment water jetting cooler 12 is to U-lag water spray simultaneously a few second, and whole process terminates, and main shaft power 2 stops operating, hydraulic cylinder a3 retreats, and puts down the pulley after machining.
The temperature of flame heating should control, set temperature sensor on equipment, controls the size of flame, do not make metal superheat according to the temperature of sensor.
The profile of extruding jumping-up pattern 9 and extruded pattern 10 is very important, to guarantee squeezing effect, by the spinning effect of extruding jumping-up pattern 9, to gather at the metal material in pulley blank 6 crown part formation O type cross section, make U-type groove wall in the future have enough thickness, and original metal structure fiber is upset, be shaped for next step, and carry out in the die cavity closed, the shape after jumping-up is symmetrical, smooth surface zero defect; The spinning effect of pattern 10 molding by extrusion, makes pulley blank 6 carry out reverse extrusion in the die cavity of a relative closure, makes pulley blank 6 be out of shape fully, crystal grain step-down, fiber orientation is coherent smooth, and will make to form symmetrical cell wall in crown part, and the bright and clean cell wall of a step.As cell wall is not bright and clean, the damage of wirerope in cell wall can be caused in using in the future.
The diameter of rotary actuation platen 4 and servo-actuated platen 5 is important parameters, determine pulley blank 6 is heated and the size in the region deformed, determine the thickness of pulley crown U-type groove sidewall, be first roughly worth by calculating, then determine the most rational numerical value by test.
Show at Fig. 2 simultaneously, the conical surface of rotary actuation platen 4 and the conical surface of servo-actuated platen 5 form jumping-up die cavity jointly with extruding jumping-up pattern 9, jointly formed with extruded pattern 10 again and be squeezed into die cavity, shape after extruding is controlled and symmetrical, and two die cavitys are all locate in the closed condition; Platen 4 and servo-actuated platen 5 is driven to control the part of the pulley blank 6 that will carry out spinning well by turning, for crown U-type groove wall subsequently provides rational material, simultaneously again with the belly wooden partition distortion of the anti-limited slip wheel of mode of strong pressurizing, the heat of belly wooden partition can be derived by platen simultaneously, pulley hole is prevented to be out of shape, make the pulley after processing after simple process, do not need machining just can carry out subsequent processing.
Specific embodiment is as follows:
1) heat: when pulley circular blank makes High Rotation Speed, control the part blank that be out of shape, in the certain size only to the bizet of circular blank, spray with flame and carry out the recrystallization temperature 950 ° ~ 960 ° being heated to steel material;
2) jumping-up squash type spinning: use extruding jumping-up pattern, from the radial compression blank of blank, make the bizet of circular blank form 0 font, control the radial displacement of extruding jumping-up pattern, after meeting the requirements of shift value, PLC provides the instruction that flame thrower maintains flame, pattern remakes microfeed motion, and the cavity surface of pattern, to O font blank Extrusion a few second, makes to be extruded any surface finish, and cause fine grain, and extruding jumping-up pattern carries out under the state of cavity closed;
3) Contoured squeeze formula spinning: flame sprays and again sprays, extruding jumping-up pattern retreats, the die cavity being in the extruded pattern of extruding workbench opposite side contacts and carries out extruding back established O font material component, under the spinning of brute force, U-type groove is formed at circular blank bizet, after extruded pattern feeding puts in place, flame thrower stops working, extruded pattern continues to do Extrusion a few second, make U-type groove surface finishing no concave-convex, and extruded pattern carries out under the state of cavity closed;
4) cool: water spray process, makes U-type groove surface temperature drop to rapidly 400 ° ~ 410 °, be equivalent to carry out modifier treatment to blank.
The above is the preferred embodiment of the present invention, can not limit the interest field of the present invention with this.It should be pointed out that for those skilled in the art, technical scheme of the present invention is modified or equivalent replacement, do not depart from protection scope of the present invention.

Claims (2)

1. a hot extrusion type spinning process method, is characterized in that: successively through jumping-up squash type spinning, Contoured squeeze formula spinning to complete hot extrusion type spinning process, its concrete steps are as follows:
1) jumping-up squash type spinning: use extruding jumping-up pattern, from the radial compression blank of blank, make the bizet of circular blank form 0 font, control the radial displacement of extruding jumping-up pattern, after meeting the requirements of shift value, PLC provides the instruction that flame thrower maintains flame, pattern remakes microfeed motion, and the cavity surface of pattern, to O font blank Extrusion a few second, makes to be extruded any surface finish, and cause fine grain, and extruding jumping-up pattern carries out under the state of cavity closed;
2) Contoured squeeze formula spinning: flame sprays and again sprays, extruding jumping-up pattern retreats, the die cavity being in the extruded pattern of extruding workbench opposite side contacts and carries out extruding back established O font material component, under the spinning of brute force, U-type groove is formed at circular blank bizet, after extruded pattern feeding puts in place, flame thrower stops working, extruded pattern continues to do Extrusion a few second, make U-type groove surface finishing no concave-convex, and extruded pattern carries out under the state of cavity closed.
2. a hot extrusion type spinning machine, main body is bed body, it is characterized in that: on the lateral attitude of described bed body, one end is provided with main shaft power, the other end is provided with hydraulic cylinder a, described main shaft power is provided with rotary actuation platen, the center of described rotary actuation platen is provided with spindle nose, described hydraulic cylinder a is provided with servo-actuated platen, described rotary actuation platen and the symmetrical setting of servo-actuated platen, pulley blank is provided with between described rotary actuation platen and servo-actuated platen, the borehole jack at the center of described pulley blank is on the spindle nose of described rotary actuation platen, the left and right sides of described bed body is all provided with PLC and hydraulic cylinder b, described hydraulic cylinder b is arranged respectively extruding jumping-up pattern and extruded pattern, the both sides of described extruding jumping-up pattern and extruded pattern are all provided with two flame heating guns, described extruding jumping-up pattern, extruded pattern and flame heating gun all aim at the bizet of described pulley blank, described extruding jumping-up pattern and extruded pattern in working order lower and pulley blank form cavity closed state.
CN201610014095.1A 2016-01-11 2016-01-11 Hot extrusion type spinning process and device Pending CN105537450A (en)

Priority Applications (1)

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Application Number Priority Date Filing Date Title
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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109158469A (en) * 2018-08-03 2019-01-08 华中科技大学 A kind of circular ring shape plate annular convex platform is progressive to thicken manufacturing process
CN109834434A (en) * 2017-11-29 2019-06-04 宜兴市联丰化工机械有限公司 A kind of rotary pressed head technique

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Publication number Priority date Publication date Assignee Title
DE19911296A1 (en) * 1999-03-13 2000-09-21 Winkelmann & Pannhoff Gmbh Non-cutting manufacturing method for V-belt pulley uses pressure roller for cold-forming of aluminum/alloy round blank with integral hub section
CN101342555A (en) * 2007-07-10 2009-01-14 北京顶旋科技有限公司 Technique for flow forming processing metal sheet into revolution body and thickening wall
CN101480670A (en) * 2009-01-19 2009-07-15 中北大学 Squeezing-revolving shaping method of magnesium alloy wheel and device thereof
CN101767165A (en) * 2009-12-22 2010-07-07 福建威而特汽车动力部件有限公司 Tube type flat belt pulley forming method
CN101817049A (en) * 2010-03-29 2010-09-01 东莞市港润机械科技有限公司 Process for machining split spinning belt pulley
CN102000747A (en) * 2010-09-21 2011-04-06 国营江北机械厂 Hot spinning bottom-finishing method of seamless gas cylinder by positive roller
CN102728689A (en) * 2011-04-02 2012-10-17 东风襄樊旋压件有限公司 Spinning fixture for manufacturing deep groove split spinning belt pulley and application of spinning fixture
CN203356312U (en) * 2013-06-28 2013-12-25 浙江东星汽车部件有限公司 Spinning tool for machining deep groove split spinning pulley
KR20140058031A (en) * 2012-11-06 2014-05-14 우원식 Tension pulley
CN103831352A (en) * 2012-11-27 2014-06-04 芜湖众发旋压技术有限公司 Belt wheel spinning forming die group
CN105215129A (en) * 2015-10-23 2016-01-06 湖北六和天轮机械有限公司 A kind of hot spinning thickening method of circular plate outer circular edge

Patent Citations (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19911296A1 (en) * 1999-03-13 2000-09-21 Winkelmann & Pannhoff Gmbh Non-cutting manufacturing method for V-belt pulley uses pressure roller for cold-forming of aluminum/alloy round blank with integral hub section
CN101342555A (en) * 2007-07-10 2009-01-14 北京顶旋科技有限公司 Technique for flow forming processing metal sheet into revolution body and thickening wall
CN101480670A (en) * 2009-01-19 2009-07-15 中北大学 Squeezing-revolving shaping method of magnesium alloy wheel and device thereof
CN101767165A (en) * 2009-12-22 2010-07-07 福建威而特汽车动力部件有限公司 Tube type flat belt pulley forming method
CN101817049A (en) * 2010-03-29 2010-09-01 东莞市港润机械科技有限公司 Process for machining split spinning belt pulley
CN102000747A (en) * 2010-09-21 2011-04-06 国营江北机械厂 Hot spinning bottom-finishing method of seamless gas cylinder by positive roller
CN102728689A (en) * 2011-04-02 2012-10-17 东风襄樊旋压件有限公司 Spinning fixture for manufacturing deep groove split spinning belt pulley and application of spinning fixture
KR20140058031A (en) * 2012-11-06 2014-05-14 우원식 Tension pulley
CN103831352A (en) * 2012-11-27 2014-06-04 芜湖众发旋压技术有限公司 Belt wheel spinning forming die group
CN203356312U (en) * 2013-06-28 2013-12-25 浙江东星汽车部件有限公司 Spinning tool for machining deep groove split spinning pulley
CN105215129A (en) * 2015-10-23 2016-01-06 湖北六和天轮机械有限公司 A kind of hot spinning thickening method of circular plate outer circular edge

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109834434A (en) * 2017-11-29 2019-06-04 宜兴市联丰化工机械有限公司 A kind of rotary pressed head technique
CN109158469A (en) * 2018-08-03 2019-01-08 华中科技大学 A kind of circular ring shape plate annular convex platform is progressive to thicken manufacturing process

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