CN103056267B - AT rail die mould fast mold change mechanism and die exchange - Google Patents
AT rail die mould fast mold change mechanism and die exchange Download PDFInfo
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- CN103056267B CN103056267B CN201210588849.6A CN201210588849A CN103056267B CN 103056267 B CN103056267 B CN 103056267B CN 201210588849 A CN201210588849 A CN 201210588849A CN 103056267 B CN103056267 B CN 103056267B
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Abstract
The present invention relates on a kind of hydraulic press and carry out AT rail die mould fast mold change mechanism and die exchange; comprise press bench and lower bolster; one end of the rapping bar of 8 lateral arrangement is arranged on the two ends of two pieces of Preform Dies and two pieces of finish-forging dies respectively, and the other end of the rapping bar of 8 lateral arrangement coordinates with die changing mechanism respectively.Advantage: the die changing mechanism adopting the design, the quick die change that can realize 60AT, 60D40 rail heel end die mould on 5000T hydraulic press is produced, and greatly reduces operator's labour intensity, improves the uniformity of efficiency and product appearance quality.
Description
Technical field
The present invention relates on a kind of hydraulic press and carry out AT rail die mould fast mold change mechanism and die exchange, belong to railway switch and manufacture field.
Background technology
CN201768866U, title " a kind of AT rail heel end forging and molding mold ", comprise and be fixed on three station moulds in template and a station shaving die; Described three station moulds comprise upper die and lower die, patrix forms to the 3rd station patrix by being fixed on first on the first cope match-plate pattern, counterdie is made up of first to the 3rd station counterdie corresponding with the first to the 3rd station patrix be fixed on the first lower bolster, on the forcing press lower table that first lower bolster is fixed on, be provided with mould and die preheating system at the first cope match-plate pattern with in the first lower bolster; A described station shaving die comprises punch and die, and punch is made up of the rail head trimming punch be fixed on the second cope match-plate pattern and flange of rail trimming punch, upper web of the rail loose piece, and die is made up of the lower web of the rail loose piece be fixed on the second lower bolster.
CN101912945A, title " a kind of forging method of AT rail heel end ", comprise the following steps: one, AT rail is heated to 1160 ~ 1250 DEG C in induction furnace; Two, three station moulds on the AT rail forcing press after step one being heated carry out forging forming, forming step comprises: 1) make the flange of rail become 90 degree with level, the long limb of rail is transported to the first station in forcing press upward, completes the base process of the first one-step forming of the web of the rail in the mould die cavity of the first station; 2) AT rail is longitudinally exited from the mould die cavity of the first station, relative to step 1) forging and stamping time location of rail 90-degree rotation, Rail bottom surface upward, is longitudinally inserted in the mould die cavity of the second station in forcing press, completes the base process of the first one-step forming of the flange of rail; 3) AT rail is longitudinally exited from the mould die cavity of the second station, relative to step 2) forging and stamping time location of rail 90-degree rotation, make the state of rail consistent with the first station, longitudinally insert in the mould die cavity of the 3rd station in forcing press, complete the finishing of the pressure-sizing shaping of AT rail; Three, the AT rail after step 2 forging forming is longitudinally exited from the mould die cavity of the 3rd station, longitudinally insert in the station shaving die die cavity in forcing press and carry out trimming, by the 3rd of step 2 the) cutting burrs that formed at rail's end portion and bottom of step; Four, AT rail is longitudinally exited from a station shaving die die cavity, make AT rail be in rail head upwards, the downward upright position of the flange of rail, AT rail is sent to discharge pedestal position.
Above-mentioned background technology, the mould mentioned and forging method are three cover casted die moulds, a set of edger, adopt the process of fire three pressure.Be sidelong (drawing money on credit upward) compacting at a work step rail, two station rail stand upside down and suppress, and (drawing money on credit upward) compacting is sidelong by three station rail, all needs to shift one's position.
CN102114518A, title " steel rail track switch fine-forging technology production line ", comprise steel-rail rail-road switch forging press, be arranged on heating furnace and the normalizing furnace in forging press front, device is sent before adjacent with the heating furnace rail for being clamped by rail, with heating furnace homonymy multiple be arranged side by side for rail being pushed into the rail automatic feed mechanism heated in heating furnace, with the rail automatic material blanking mechanism of normalizing furnace homonymy, rail lateral transfer dolly is provided with between rail automatic charging device and rail automatic material blanking mechanism, below rail lateral transfer dolly, transverse shifting guide rail and driving rack are set, described rail lateral transfer dolly is provided with multiple stage rail inching device and for driving the servomotor of rail lateral transfer dolly transverse shifting, be positioned at the electrical control cubicles be provided with outside rail automatic feed mechanism for controlling whole production line.Its weak point: one is that short of rail upward when one, three station compactings.The die changing mechanism mentioned, along rail lateral arrangement, pulls die holder traversing, and to change mold station, required drive is comparatively large, is applicable to three station dies, and the upset of rail must be assisted by dedicated operations machine; Although two is that automaticity is higher, die changing mechanism can only carry out transverse shifting, and enter mould and the demoulding of rail need dedicated operations machine to assist, and sleeve mechanism involves great expense, and later maintenance cost is higher.
Summary of the invention
Purpose of design: avoid the weak point in background technology; design two station fast mold change mechanisms on a kind of hydraulic press; solve current blocking, the replacing of finish-forging die and reset and need manual operation; labour intensity is large; time and effort consuming; mould position error is large, the AT rail die mould fast mold change mechanism of the larger problem of product appearance quality dispersion and die exchange.
Design: in order to realize above-mentioned purpose of design.The application AT rail heel end moulding process is: stood upside down by rail, after being heated to forging temperature, mould is entered by overhead traveling crane handling, by blocking, finish-forging two mold (one set of die containing mould of drawing money on credit, each one of short formwork), two fire are time compressing, for above-mentioned present situation, the design proposed is: under the prerequisite not changing existing ripe mould structure, design a set of mechanism independent of hydraulic press main frame, realizes blocking, the horizontal die sinking of finish-forging die and longitudinal die change.This programme adopts the rapping bar of 8 lateral arrangement, be arranged on the two ends of two pieces of Preform Dies and two pieces of finish-forging dies respectively, when not working, because the pretightning force of spring in rapping bar, mould is made to be in open mode, during work, be supplied to mould horizontal component by top mold frame die cavity inclined-plane, mould is closed, after matched moulds compacting, along with top mold frame is lifted, the pulling force by spring pulls mould outwards to move, and makes it to depart from rail.Blocker work completes, and after the demoulding, adopts the piston cylinder longitudinally arranged, promotes Preform Die and shifts out working position, and making finish-forging die enter operating position, top mold frame is depressed, after matched moulds die mould, top mold frame is lifted, and pulls finish-forging die die sinking by rapping bar, completes whole die mould process.Oil cylinder counter motion, pulls the longitudinal position of deactivating of two pieces of finishers, makes blocker return working position, carry out the compacting of next root rail part.
Technical scheme 1: a kind of AT rail die mould fast mold change mechanism; comprise press bench and lower bolster; one end of the rapping bar of 8 lateral arrangement is arranged on the two ends of two pieces of Preform Dies and two pieces of finish-forging dies respectively, and the other end of the rapping bar of 8 lateral arrangement coordinates with die changing mechanism respectively.
Technical scheme 2: a kind of die exchange of AT rail die mould fast mold change mechanism, adopt the rapping bar of 8 lateral arrangement, be arranged on the two ends of two pieces of Preform Dies and two pieces of finish-forging dies respectively, when not working, because the pretightning force of spring in rapping bar, mould is made to be in open mode, during work, mould horizontal component is supplied to by top mold frame die cavity inclined-plane, mould is closed, after matched moulds compacting, along with top mold frame is lifted, pulling force by spring pulls mould outwards to move, and makes it to depart from rail; Preform Die work completes, and after the demoulding, adopts the piston cylinder longitudinally arranged, promotes Preform Die and shifts out working position, and making finish-forging die enter operating position, top mold frame is depressed, after matched moulds die mould, top mold frame is lifted, and pulls finish-forging die die sinking by rapping bar, completes whole die mould process; Piston oil-cylinder counter motion, pulls the longitudinal position of deactivating of two pieces of finish-forging dies, makes Preform Die return working position, carry out the compacting of next root rail part.
The present invention is compared with background skill; adopt the die changing mechanism of the design; the quick die change that can realize 60AT, 60D40 rail heel end die mould on 5000T hydraulic press is produced, and greatly reduces operator's labour intensity, improves the uniformity of efficiency and product appearance quality.
Accompanying drawing explanation
Fig. 1 is die changing mechanism assembling schematic diagram.
Fig. 2 is die change oil cylinder installation site schematic diagram.
Fig. 3 is rapping bar structural representation.
Fig. 4 is die changing mechanism floor plan.
Detailed description of the invention
Embodiment 1: with reference to accompanying drawing 1-4.A kind of AT rail die mould fast mold change mechanism; comprise press bench 5 and lower bolster 7; one end of the rapping bar 1 of 8 lateral arrangement is arranged on the two ends of two pieces of Preform Dies 4 and two pieces of finish-forging dies 2 respectively, and the other end of the rapping bar 1 of 8 lateral arrangement coordinates with die changing mechanism 3 respectively.Die changing mechanism 3 is hydraulic-driven changement.Two pieces of Preform Dies 4 and two pieces of finish-forging dies 2 form mould.The piston cylinder longitudinally arranged promotes Preform Die 4.Rapping bar 1 is made up of pull bar 104, tight sleeve 103, sleeve 102 and pressing spring 101, pull bar 104 two ends have connecting hole, projective table type shaft sized by pull bar 104 shaft, pressing spring 101 is enclosed within pull bar shaft and pressing spring 101 one end and pushes up mutually with the small boss face of pull bar shaft, the large boss face that sleeve 102 is enclosed within pressing spring 101 and sleeve 102 one end and pull bar shaft touches, tight sleeve 103 is enclosed within the shaft of pull bar, and tight sleeve 103 to insert in sleeve (102) and held out against by pressing spring 101 other end.
Namely, short mould time shaping with rail heel end is (containing one piece of blocker, one piece of finisher) be example, calculate monolithic mold deadweight formed frictional force and die mould process in sticking to mould power, determine the specification (the design adopts the prestressed cylindrically coiled spring of band) of spring, make four rapping bars, be connected with blocking, finish-forging die both ends of the surface respectively by bolt, sleeve is all fixed on bearing, bearing is plate welding structure, it can be fixed 4 rapping bars, before two for the horizontal die sinking of finish-forging die, after two die sinkings for Preform Die; Design the slideway of a taper, be fixed on the workbench of forcing press by support, uniform 6 dovetails wheel of rest base, ride on slideway, the advantage adopting this to design is, bearing both can vertically move on slideway, and swallowtail-shaped structure again limit the horizontal looseness of bearing, ensure that mould positioning precision during die sinking.Slideway support fills a piston oil-cylinder longitudinally arranged along rail, pistons end is connected with bearing, cylinder efficient, promote bearing vertically moving on slideway, by the rapping bar be fixed thereon, drive short mould on lower bolster, move to required station, realize die change function.The die sinking of side mold of drawing money on credit is all identical with phocomelic side with die change.
Embodiment 2: on the basis of embodiment 1, described longitudinally arranges along rail, for promoting bearing, to reach the ram cylinder of more mold exchange object, servomotor can also be adopted to replace.
Embodiment 3: on the basis of embodiment 1, in described rapping bar, employing be the cylindrically coiled spring having pretightning force, be pressing spring, can also adopt and draw spring, die sinking requirement can be met equally.
Embodiment 4: on the basis of embodiment 1, a kind of die exchange of AT rail die mould fast mold change mechanism, adopt the rapping bar 1 of 8 lateral arrangement, be arranged on the two ends of two pieces of Preform Dies 4 and two pieces of finish-forging dies 2 respectively, when not working, because the pretightning force of spring in rapping bar 1, mould is made to be in open mode, during work, be supplied to mould horizontal component by top mold frame die cavity inclined-plane, mould is closed, after matched moulds compacting, along with top mold frame is lifted, the pulling force by spring pulls mould outwards to move, and makes it to depart from rail 6; Preform Die work completes, and after the demoulding, adopts the piston cylinder longitudinally arranged, promotes Preform Die 4 and shifts out working position, and making finish-forging die 2 enter operating position, top mold frame is depressed, after matched moulds die mould, top mold frame is lifted, and pulls finish-forging die die sinking by rapping bar, completes whole die mould process; Piston oil-cylinder counter motion, pulls the longitudinal position of deactivating of two pieces of finish-forging dies, makes Preform Die return working position, carry out the compacting of next root rail part.
It is to be understood that: although above-described embodiment to be contrasted detailed text description to mentality of designing of the present invention; but these text descriptions; just the simple text of mentality of designing of the present invention is described; instead of the restriction to mentality of designing of the present invention; any do not exceed mentality of designing of the present invention combination, increase or amendment, all fall within the scope of protection of the present invention.
Claims (6)
1. an AT rail die mould fast mold change mechanism, comprise press bench (5) and lower bolster (7), it is characterized in that: one end of the rapping bar (1) of 8 lateral arrangement is arranged on the two ends of two pieces of Preform Dies (4) and two pieces of finish-forging dies (2) respectively, the other end of the rapping bar (1) of 8 lateral arrangement coordinates with die changing mechanism (3) respectively, rapping bar (1) is by pull bar (104), tight sleeve (103), sleeve (102) and pressing spring (101) are formed, pull bar (104) two ends have connecting hole, projective table type shaft sized by pull bar (104) shaft, pressing spring (101) is enclosed within pull bar shaft and pressing spring (101) one end and pushes up mutually with the small boss face of pull bar shaft, sleeve (102) is enclosed within the upper and large boss face of sleeve (102) one end and pull bar shaft of pressing spring (101) and touches, tight sleeve (103) is enclosed within the shaft of pull bar, tight sleeve (103) to insert in sleeve (102) and is held out against by pressing spring (101) other end.
2. AT rail die mould fast mold change mechanism according to claim 1, is characterized in that: die changing mechanism (3) is hydraulic-driven changement.
3. AT rail die mould fast mold change mechanism according to claim 1, is characterized in that: two pieces of Preform Dies (4) and two pieces of finish-forging dies (2) form mould.
4. AT rail die mould fast mold change mechanism according to claim 1, is characterized in that: the piston cylinder longitudinally arranged promotes Preform Die (4).
5. AT rail die mould fast mold change mechanism according to claim 1, is characterized in that: pressing spring can adopt and draw spring to realize.
6. the die exchange of an AT rail die mould fast mold change mechanism, it is characterized in that: the rapping bar (1) adopting 8 lateral arrangement, be arranged on the two ends of two pieces of Preform Dies (4) and two pieces of finish-forging dies (2) respectively, when not working, because the pretightning force of spring in rapping bar (1), mould is made to be in open mode, during work, mould horizontal component is supplied to by top mold frame die cavity inclined-plane, mould is closed, after matched moulds compacting, along with top mold frame is lifted, pulling force by spring pulls mould outwards to move, and makes it to depart from rail (6); Preform Die work completes, after the demoulding, adopt the piston oil-cylinder (9) longitudinally arranged, promote Preform Die (4) and shift out working position, and make finish-forging die (2) enter operating position, top mold frame is depressed, after matched moulds die mould, top mold frame is lifted, and pulls finish-forging die die sinking by rapping bar, completes whole die mould process; Piston oil-cylinder counter motion, pulls the longitudinal position of deactivating of two pieces of finish-forging dies, makes Preform Die return working position, carry out the compacting of next root rail part.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210588849.6A CN103056267B (en) | 2012-12-31 | 2012-12-31 | AT rail die mould fast mold change mechanism and die exchange |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210588849.6A CN103056267B (en) | 2012-12-31 | 2012-12-31 | AT rail die mould fast mold change mechanism and die exchange |
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| Publication Number | Publication Date |
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| CN103056267A CN103056267A (en) | 2013-04-24 |
| CN103056267B true CN103056267B (en) | 2015-12-09 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201210588849.6A Active CN103056267B (en) | 2012-12-31 | 2012-12-31 | AT rail die mould fast mold change mechanism and die exchange |
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Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103962490B (en) * | 2014-05-20 | 2016-02-03 | 中铁宝桥（南京）有限公司 | AT rail hot-forging forming guide-roller type mould changing device |
| CN112501958B (en) * | 2020-10-22 | 2022-08-12 | 中铁工程设计咨询集团有限公司 | Transformation method of AT steel rail |
| CN114012018B (en) * | 2021-11-04 | 2023-12-12 | 中国铁建重工集团股份有限公司道岔分公司 | Rail die adjusting device and method |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SU1213978A3 (en) * | 1978-01-14 | 1986-02-23 | Институт Отрубки Плястычнэй (Инопредприятие) | Method of manufacturing components of crankshaft type and device for effecting same |
| CN201127977Y (en) * | 2007-11-22 | 2008-10-08 | 中国第一重型机械集团公司 | Hydraulic quick anvil-changing device of hydraulic machine |
| CN201579363U (en) * | 2009-12-09 | 2010-09-15 | 安阳锻压机械工业有限公司 | Forging hydraulic press with fast die-changing device |
| CN201823864U (en) * | 2010-10-15 | 2011-05-11 | 重庆富川机电有限公司 | Forming die for precision-forging stocks of primary driving teeth |
| CN203109138U (en) * | 2012-12-31 | 2013-08-07 | 中铁宝桥集团有限公司 | Quick die exchange mechanism for AT steel rail compression |
-
2012
- 2012-12-31 CN CN201210588849.6A patent/CN103056267B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SU1213978A3 (en) * | 1978-01-14 | 1986-02-23 | Институт Отрубки Плястычнэй (Инопредприятие) | Method of manufacturing components of crankshaft type and device for effecting same |
| CN201127977Y (en) * | 2007-11-22 | 2008-10-08 | 中国第一重型机械集团公司 | Hydraulic quick anvil-changing device of hydraulic machine |
| CN201579363U (en) * | 2009-12-09 | 2010-09-15 | 安阳锻压机械工业有限公司 | Forging hydraulic press with fast die-changing device |
| CN201823864U (en) * | 2010-10-15 | 2011-05-11 | 重庆富川机电有限公司 | Forming die for precision-forging stocks of primary driving teeth |
| CN203109138U (en) * | 2012-12-31 | 2013-08-07 | 中铁宝桥集团有限公司 | Quick die exchange mechanism for AT steel rail compression |
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| CN103056267A (en) | 2013-04-24 |
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