CN103611860A - Metal axial roller-grinding forming machine and roller-grinding forming technique thereof - Google Patents
Metal axial roller-grinding forming machine and roller-grinding forming technique thereof Download PDFInfo
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- CN103611860A CN103611860A CN201310619568.7A CN201310619568A CN103611860A CN 103611860 A CN103611860 A CN 103611860A CN 201310619568 A CN201310619568 A CN 201310619568A CN 103611860 A CN103611860 A CN 103611860A
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- 239000002184 metal Substances 0.000 title claims abstract description 20
- 238000000034 method Methods 0.000 title claims abstract description 20
- 230000000630 rising effect Effects 0.000 claims abstract description 5
- 238000005242 forging Methods 0.000 claims description 35
- 230000008569 process Effects 0.000 claims description 10
- 230000000694 effects Effects 0.000 claims description 8
- 238000000465 moulding Methods 0.000 claims description 5
- 238000010438 heat treatment Methods 0.000 claims description 4
- 238000007493 shaping process Methods 0.000 claims description 4
- 229910000831 Steel Inorganic materials 0.000 claims description 3
- 238000002360 preparation method Methods 0.000 claims description 3
- 239000010959 steel Substances 0.000 claims description 3
- 238000005520 cutting process Methods 0.000 claims description 2
- 230000007423 decrease Effects 0.000 claims description 2
- 238000005553 drilling Methods 0.000 claims description 2
- 238000001125 extrusion Methods 0.000 abstract 1
- 230000002035 prolonged effect Effects 0.000 abstract 1
- 238000005516 engineering process Methods 0.000 description 8
- 241001504664 Crossocheilus latius Species 0.000 description 6
- 238000004519 manufacturing process Methods 0.000 description 5
- 230000009467 reduction Effects 0.000 description 5
- 238000005096 rolling process Methods 0.000 description 4
- 230000008901 benefit Effects 0.000 description 3
- 238000003672 processing method Methods 0.000 description 2
- 239000000047 product Substances 0.000 description 2
- 238000009825 accumulation Methods 0.000 description 1
- 238000004458 analytical method Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000033228 biological regulation Effects 0.000 description 1
- 230000003139 buffering effect Effects 0.000 description 1
- 238000005266 casting Methods 0.000 description 1
- 239000007795 chemical reaction product Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000004519 grease Substances 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000003137 locomotive effect Effects 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 238000003801 milling Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
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- 239000003351 stiffener Substances 0.000 description 1
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Abstract
The invention discloses a metal axial roller-grinding forming machine and a roller-grinding forming technique thereof. The metal axial roller-grinding forming machine comprises a rotary device, an upper mold, an upper mold guide pillar, a lower mold, an ejector rod and a lifting working platform. According to the metal axial roller-grinding forming machine, cone-shaped rollers can revolve along the central axes of the cone-shaped rollers, the number of the cone-shaped rollers is two, the two cone-shaped rollers are arranged symmetrically about the axis of a main rotary shaft, the two cone-shaped rollers rotate along the main rotary shaft and are arranged in the middle of the upper surface of the upper mold, the upper mold guide pillar is arranged on the edge of the upper mold, the upper mold is fixed to a machine frame through the upper mold guide pillar, the lower mold is fixed to the lifting working platform and can move up and down along with rising and falling of the lifting working platform, the working platform has a fast rising and falling function, a fast feeding function and a fast ejecting function, the top of the ejector rod corresponds to a workpiece position on the lower mold, and the bottom of the ejector rod is connected with an ejector hydraulic cylinder. According to the metal axial roller-grinding forming machine and the roller-grinding forming technique thereof, extrusion full contact or swing-grinding local contact for forming is replaced by the line contact between the cone-shaped rollers and the upper end face of the upper mold, the rotating power of the main shaft is reduced, power consumption is reduced, the service life of a bearing of the main shaft is prolonged, and cost is reduced.
Description
Technical field
The present invention relates to a kind of metal axial roller and grind forming technology, relate in particular to a kind of revolution and non-rotating 's forming technique, belong to metal forging technical field.
Background technology
Metal axial roller is ground into shape technological principle and feature: it is to utilize a part of surface-pressure of conical punch to forging stock that roller grinds, along with the rolling of punch around the centre of gyration, this part pressor areas, along blank circumference continuous rotary, progressively produces forging stock and is out of shape and is pressed into impression and the final a kind of forging and stamping new technology being shaped.The outstanding feature that roller grinds is with continuous local deformation, to replace the bulk deformation of common Forging Technology, and it is only the 1/10-1/15 of common Forging Technology that its roller grinds power, therefore, can grind larger forging with skinny device roller.
The revolving meber of existing large-size or non-rotating forge or die-forging forming needs the forging equipment of super-tonnage.High ferro locomotive main motor car wheel blank heating is out of shape by multicomputer, and utilizing multiple roll mill for rolling center disctype wheels to become base is current traditional handicraft, and equipment investment is hundreds of millions of.At the bottom of large-tonnage K shape or spherical bridge pad, basin, top board, middle liner plate blank are used Mechanical processing of casting instead because base is limited, reduce its performance.The hot rotary forging press of existing largest domestic only form diameter 1000mm with interior, weight square, the circle part base below 1t; The blank that 1000mm, weight surpass 1t if be greater than can only be with the forging equipment of super-tonnage, and the investment of large-tonnage forging equipment is higher, causes the economy of final production finished product to reduce.
In order to solve the high problem of large-tonnage forging equipment cost, if application number is 201310281180.0, publication No. is CN103317073, name is called < < Chinese invention patent for the sphere pendulous device > > of large-scale rotary forging press, a kind of large-scale rotary forging press is disclosed in this patent, its axle is drift angle Analysis of Nested Design, driving gearbox is by driving long key to be fixedly connected with the drift angle sleeve system in holder with terminal pad, it is oscillating spindle that axial center is overlapped in described drift angle, oscillating spindle lower end is bulb and yaw, and be rotationally connected by the cooperation realization of bulb and ball bowl.This large-scale rotary forging press can be realized the processing to large scale blank, but owing to adopting the axle system of drift angle cover, because there is spindle eccentricity phenomenon, when workpiece size is greater than the chord length of spherical bearing pair, the moment that main shaft bears easily makes that main shaft destroys, torsional fracture phenomenon, reduce Main Shaft Service Life, increase product cost, and limited the manufacture of large-size, larger weight blank.
In addition, if the application number of Wuhan University of Technology's application is 201010154589.2, publication No. is CN101823110, name is called the patent of invention of < < twin-roller rotary-forging machine > >, it discloses and a kind ofly can carry out to rotating body parts the equipment of axial local rotary roll, it specifically discloses a kind of twin-roller rotary-forging machine, comprise fuselage, rotating mechanism, two roller arrangements and carriage, wherein, two roller arrangements include the symmetrically arranged a pair of clutch shaft bearing seat of axial line with respect to main shaft, the first thrust bearing, roll mandrel and roll, clutch shaft bearing seat is connected by the second fastening bolt with main shaft, between clutch shaft bearing seat and main shaft, be provided with the first flat key, roll mandrel is installed in clutch shaft bearing seat, on the large end face of roll mandrel, be fixed on stiffener, the end face of roll is provided with the hexagon boss matching with hexagon pit.This device can be realized localized accumulated axial rolling roller to rotating body parts and grind accumulation forming, therefore, can replace ordinary press, and adopt the roll of a pair of symmetry, roll is rotating around the axis when symmetry axis rotates, realizes the axis roll-in accumulated deformation to the part that is formed.The twin-roller rotary-forging machine of this structure, owing to directly contacting with workpiece, therefore, is merely able to the component shaping to rotational structure, at two roller pendulum, grind process equipment in service, the direct Metal Contact with heating of patrix, patrix easily suffers to destroy the patrix life-span is reduced, increase cost of goods manufactured.Meanwhile, because two rollers can come in contact with workpiece, cause two roller pendulum stone roller equipment can only produce revolving meber.
Summary of the invention
The object of the invention is to: provide a kind of metal axial roller to grind forming machine and roller stone roller moulding process thereof, solve the Problems in forming that existing rotary forging press is merely able to centering, small size rotational workpieces and middle or small non-rotating, break through the processing restrictions such as size, weight range of work piece.
The object of the invention realizes by following process program: a kind of metal axial roller grinds forming machine, it comprises whirligig, patrix, patrix lead, counterdie, knock-pin and self-powered platform, this whirligig comprises cone-shaped roll and rotary main shaft, described cone-shaped roll can be along the axis rotation of self, this cone-shaped roll is two, axial line with respect to rotary main shaft is symmetrical arranged, and two cone-shaped rolls rotate along rotary main shaft, cone-shaped roll is located at the upper surface middle part of patrix, the lower surface of described patrix and the upper surface of counterdie are corresponding to the shape of required processing work, the axis of upper die and lower die is positioned on the extended line of rotary main shaft, described patrix lead is located at the edge of patrix, and patrix is fixed in the frame of rotary forging press by patrix lead, described counterdie is fixed on self-powered platform, and can and send to self-powered platform one lifting, the top of described knock-pin is corresponding with the workpiece position on counterdie, and bottom connection ejects hydraulic cylinder.
As a kind of optimal way, the contact position, workpiece position on described knock-pin and counterdie has been provided with the ejection ring of cushioning and protection.
Metal axial roller grinds a moulding process, comprises following operation:
The first step, blank preparation: circle base for revolving meber, non-rotating with square base or round billet; The first drilling of workpiece of middle with hole, with steel plate cutting or open die forging;
Second step, workpiece is heated to forging temperature;
The 3rd step, roller is ground into shape: start whirligig, cone-shaped roll is revolved round the sun around rotary main shaft, cone-shaped roll contacts with patrix upper surface, under the effect of contact friction force, around the rotation of Pivot Point Center line, blank is carried out to roller and be ground into shape; By self-powered platform by counterdie toward drop-down, blank is put into counterdie, then by self-powered platform by counterdie toward rising and send to, until counterdie contacts with patrix, upper and lower mould seals, component shaping; Then, decline workbench ejects with the workpiece that knock-pin drives ejection ring on it that roller is ground into shape simultaneously;
The 4th step, the workpiece after roller is ground into shape, carries out forging heat treatment.
Compared with prior art, beneficial effect of the present invention: the present invention possesses following advantage:
1. cone roller contact with patrix upper end upper thread and substitutes the full contact of existing extruding or pendulum is rolled over local contact shaping, and main shaft rotary power reduces, power consumption minimizing, cost;
2. overcome the weakness of large-tonnage rotary forging press eccentric main axis, main shaft bearing life;
3. stress balance while roller being ground due to Symmetric Cone roll, reduces frame and waves, and does not need the frame of high stiffness, thereby reduces device fabrication cost, improves equipment safety in utilization;
4. break through pendulum and grind technique to restrictions such as workpiece size, weight, be applicable to revolving meber and non-rotating accurate manufacture of base that size range is larger;
5. relatively existing pendulum grinds technique, has expanded the scope of applications such as the size that metal material hot forming is made, weight;
6. metal axial roller stone roller forming technology device therefor only need to improve on existing large-scale rotary forging press basis, with double-cone roller milling train head, replaces existing yaw, effectively promotes the range of work of existing rotary forging press and reduces scrap build cost.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention.
Fig. 2 is the structural representation of the rotational workpieces of the embodiment of the present invention 1 processing;
Fig. 3 is the structural representation of the non-rotating workpiece of the embodiment of the present invention 2 processing;
Fig. 4 is the side structure schematic diagram of Fig. 3.
Wherein: 1-cone-shaped roll, 2-patrix lead, 3-patrix, 4-counterdie, 5-knock-pin, 6-ejection ring, 7-workpiece, 8-self-powered platform, 9-ejects hydraulic cylinder, 101-rotary main shaft, 102-axis.
The specific embodiment
In order to make object of the present invention, technical scheme and advantage clearer, below in conjunction with embodiment, the present invention is further elaborated.Should be appreciated that specific embodiment described herein, only in order to explain the present invention, is not intended to limit the present invention.
Disclosed all features in this description, or the step in disclosed all methods or process, except the speciality and/or step of mutual repulsion, all can combine by any way, unless narration especially, all can or have similar object alternative features by other equivalences and be replaced,, unless narration especially, an embodiment in a series of equivalences of each feature or similar characteristics.
As Figure 1-4, a kind of metal axial roller grinds forming machine, comprises whirligig, patrix 3, patrix lead 2, counterdie 4, knock-pin 5 and self-powered platform 8.This whirligig comprises motor and the reduction box (not shown) of cone-shaped roll 1, rotary main shaft 101, drive shaft, motor and reduction box are fixed on the entablature of rotary forging press fuselage, motor is connected with reduction box, the driving shaft of reduction box is connected with rotary main shaft, rotary main shaft is supported by bearing, bearing is located on bearing block, and bearing block is fixed on the entablature of fuselage.Motor provides power for rotary main shaft, and reduction box can be the rotation of main shaft and carries out the regulation and control in speed, to adapt to the needs of different workpieces processing.Described cone-shaped roll 1 can be along axis 102 rotations of self, and the speed of its rotation is n rev/min of revolution.This cone-shaped roll 1 is two, be symmetrical arranged, and two cone-shaped rolls 1 rotates along rotary main shaft 101 with respect to the axial line of rotary main shaft 101.Adopt the cone-shaped roll of a pair of symmetry, cone-shaped roll, rotating around the axis in the rotation of this symmetry axis of rotary main shaft, is realized the axis spreading accumulated deformation to the part that is formed, and it is little that this biconial roller grinds required deformation force, and die life is long.Cone-shaped roll 1 is located at the upper surface middle part of patrix 3, and the upper surface of the lower surface of described patrix 3 and counterdie 4 is corresponding to the shape of required processing work 7, and the axis of patrix 3 and counterdie 4 is positioned on the extended line of rotary main shaft 101; Workpiece 7 is put on counterdie 4.During use, due to cone-shaped roll and roll mandrel under the drive of main shaft around the rotation of spindle axis line, when roll touches patrix, under the frictional force effect with patrix upper surface, around the rotation of Pivot Point Center line, realize jam and be shaped; Because cone-shaped roll contacts with patrix upper end upper thread, reduced main shaft rotary power, power jam is rolled over and is reduced than pendulum, and, patrix can play the effect of evenly sharing frictional force, make to roll stone roller more even, end product quality more, what is more important, patrix plays the effect of evenly sharing frictional force, and therefore, the blank of workpiece can be for square, the workpiece manufacture being shaped can be also non-revolved body, and this directly contacts to make blank this technique that is shaped to have further advantage with respect to existing twin-roller rotary-forging machine with blank with roll.Described patrix lead 2 is located at the edge of patrix 3, and patrix 3 is fixed on by patrix lead 2 in the frame of rotary forging press, and patrix 3 is fixing by patrix lead 2, prevents that patrix from moving in rolling stone roller process, guarantees that roller grinds frictional force dispersed by patrix.Described counterdie 4 is fixed on self-powered platform 8, and can and send to self-powered platform 8 one liftings, and self-powered platform 8 is fixed with fuselage.The top of described knock-pin 5 is corresponding with the workpiece position on counterdie 4, in described knock-pin 5 and the contact position, workpiece position on counterdie 4, be provided with the ejection ring 6 of cushioning effect, ejection ring plays buffering and disperses the effect of ejecting force, prevents due to knock-pin top and the too small and damage to workpiece in ejection process of workpiece contact area.Knock-pin bottom connects and ejects hydraulic cylinder 9, ejects hydraulic cylinder and provides power for knock-pin.
As shown in Figure 2, a kind of processing method of utilizing described metal axial roller to grind forming technology roller stone roller high ferro rolling stock active wheel blank (revolving meber), comprises following operation:
The first step, blank preparation: round steel is heated to forging temperature, fast forging die is pressed into cake, then forges punching soon, makes roller and grinds blank;
Second step, the motor of startup whirligig, cone-shaped roll rolls the upper surface at patrix by Hmp grease, and cone-shaped roll revolves round the sun around rotary main shaft, and cone-shaped roll contacts with patrix upper surface, under the effect of contact friction force, around Pivot Point Center line, rotates; By the drop-down counterdie of self-powered platform, blank is put into counterdie, then by self-powered platform by counterdie toward rising, the first fast lifting of lifting platform is also sent to the speed of the every revolution of roll 0.1-3mm, until contact with patrix; After upper and lower mould sealing, blank roller is ground into shape; Then the self-powered platform that declines ejects with the workpiece that knock-pin drives ejection ring on it that roller is ground into shape simultaneously, completes the direct roller of blank and grinds molding procedure;
The 3rd step, the blank that is ground into shape through roller is heat-treated, and treats next process processing.
As shown in Figure 3, Figure 4, the technique of utilizing described metal axial roller to be ground into shape is prepared a processing method for bridge spherical bearing (non-rotating workpiece), and its procedure of processing is identical with embodiment 1, just, this non-rotating can adopt square base, also can adopt round billet.
The foregoing is only preferred embodiment of the present invention, not in order to limit the present invention, all any modifications of doing within the spirit and principles in the present invention, be equal to and replace and improvement etc., within all should being included in protection scope of the present invention.
Claims (3)
1. a metal axial roller grinds forming machine, comprise whirligig, this whirligig comprises cone-shaped roll (1) and rotary main shaft (101), described cone-shaped roll (1) can be along axis (102) rotation of self, this cone-shaped roll (1) is two, axial line with respect to rotary main shaft (101) is symmetrical arranged, and two cone-shaped rolls (1) rotate along rotary main shaft (101), it is characterized in that: also comprise patrix (3), patrix lead (2), counterdie (4), knock-pin (5) and self-powered platform (8), cone-shaped roll (1) is located at the upper surface middle part of patrix (3), the upper surface of the lower surface of described patrix (3) and counterdie (4) is corresponding to the shape of required processing work, the axis of patrix (3) and counterdie (4) is positioned on the extended line of rotary main shaft (101), described patrix lead (2) is located at the edge of patrix (3), and patrix (3) is fixed in frame by patrix lead (2), described counterdie (4) is fixed on self-powered platform (8), and can and send to self-powered platform (8) one liftings, the top of described knock-pin (5) is corresponding with the workpiece position on counterdie (4), and bottom connection ejects hydraulic cylinder (9).
2. metal axial roller as claimed in claim 1 grinds forming machine, it is characterized in that: the ejection ring (6) that has been provided with cushioning and protection in described knock-pin (5) and the contact position, workpiece position on counterdie (4).
3. the metal axial roller of utilization as described in claim 1 or 2 grinds a moulding process, it is characterized in that: comprise following operation:
The first step, blank preparation: circle base for revolving meber, non-rotating with square base or round billet; The first drilling of workpiece of middle with hole, with steel plate cutting or open die forging;
Second step, workpiece is heated to forging temperature;
The 3rd step, roller is ground into shape: start whirligig, cone-shaped roll is revolved round the sun around rotary main shaft, cone-shaped roll contacts with patrix (3) upper surface, under the effect of contact friction force, around the rotation of Pivot Point Center line, blank is carried out to roller and be ground into shape; By self-powered platform (8) by counterdie (4) toward drop-down, blank is put into counterdie (4), then by self-powered platform (8) by counterdie (4) toward rising and sending to, until counterdie (4) contacts with patrix (3), upper and lower mould seals, component shaping; Then, decline workbench (8), the workpiece of simultaneously using knock-pin (5) to drive ejection ring (6) on it that roller is ground into shape ejects;
The 4th step, the workpiece after roller is ground into shape, carries out forging heat treatment.
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| CN201310619568.7A CN103611860B (en) | 2013-11-29 | 2013-11-29 | Metal axial roller-grinding forming machine and roller-grinding forming technique thereof |
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| CN201310619568.7A CN103611860B (en) | 2013-11-29 | 2013-11-29 | Metal axial roller-grinding forming machine and roller-grinding forming technique thereof |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108491588A (en) * | 2018-03-02 | 2018-09-04 | 武汉理工大学 | The cold space envelope manufacturing process of thrust roller bearing lasso |
| CN108941230A (en) * | 2018-09-21 | 2018-12-07 | 广东兴发铝业（河南）有限公司 | A kind of intelligent aluminum section extruder |
| CN110918849A (en) * | 2019-11-26 | 2020-03-27 | 武汉理工大学 | Method for improving forming limit of thin-wall high-rib component space envelope forming high rib |
| CN112453301A (en) * | 2020-11-02 | 2021-03-09 | 武汉理工大学 | Hot rotary forging forming method for titanium alloy high-rib connecting piece |
| CN108941230B (en) * | 2018-09-21 | 2024-06-07 | 广东兴发铝业（河南）有限公司 | Intelligent aluminum profile extruder |
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| CN101708526A (en) * | 2009-12-15 | 2010-05-19 | 武汉理工大学 | Method and die for forming driven helical gear profile of automobile rear axle |
| US20100327486A1 (en) * | 2009-06-29 | 2010-12-30 | Tokai Rubber Industries, Ltd. | Manufacturing Method of Cylindrical Member and Manufacturing Method of Vibration Damping Rubber Bushing Having the Cylindrical Member |
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| JPH0292430A (en) * | 1988-09-28 | 1990-04-03 | Hitachi Ltd | Caulking method |
| JP2001047181A (en) * | 1999-08-03 | 2001-02-20 | Kojima Press Co Ltd | Device for forming metal product having dissimilar shape on surface |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108491588A (en) * | 2018-03-02 | 2018-09-04 | 武汉理工大学 | The cold space envelope manufacturing process of thrust roller bearing lasso |
| CN108491588B (en) * | 2018-03-02 | 2021-10-22 | 武汉理工大学 | Cold space envelope forming method for thrust roller bearing ring |
| CN108941230A (en) * | 2018-09-21 | 2018-12-07 | 广东兴发铝业（河南）有限公司 | A kind of intelligent aluminum section extruder |
| CN108941230B (en) * | 2018-09-21 | 2024-06-07 | 广东兴发铝业（河南）有限公司 | Intelligent aluminum profile extruder |
| CN110918849A (en) * | 2019-11-26 | 2020-03-27 | 武汉理工大学 | Method for improving forming limit of thin-wall high-rib component space envelope forming high rib |
| CN112453301A (en) * | 2020-11-02 | 2021-03-09 | 武汉理工大学 | Hot rotary forging forming method for titanium alloy high-rib connecting piece |
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| CN103611860B (en) | 2015-04-08 |
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Effective date of registration: 20240111 Address after: 611400 No. 799, hope road, Wujin street, Xinjin District, Chengdu, Sichuan (Industrial Park) Patentee after: Chengdu Xinzhu Transportation Technology Co.,Ltd. Address before: No. 799 Hope Avenue, Xinjin Industrial Park, Chengdu City, Sichuan Province, 6114300 Patentee before: CHENGDU XINZHU ROAD & BRIDGE MACHINERY Co.,Ltd. |