CN108672499A - A kind of Step Shaft is without material head continuous rolling mold and its milling method - Google Patents
A kind of Step Shaft is without material head continuous rolling mold and its milling method Download PDFInfo
- Publication number
- CN108672499A CN108672499A CN201810844229.1A CN201810844229A CN108672499A CN 108672499 A CN108672499 A CN 108672499A CN 201810844229 A CN201810844229 A CN 201810844229A CN 108672499 A CN108672499 A CN 108672499A
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- shaft member
- mold
- forming
- rolling
- area
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- 238000005096 rolling process Methods 0.000 title claims abstract description 49
- 239000000463 material Substances 0.000 title claims abstract description 13
- 238000003801 milling Methods 0.000 title claims description 7
- 238000007493 shaping process Methods 0.000 claims abstract description 30
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 26
- 239000010959 steel Substances 0.000 claims abstract description 26
- 230000000977 initiatory effect Effects 0.000 claims abstract description 11
- 230000015572 biosynthetic process Effects 0.000 claims description 4
- 238000003672 processing method Methods 0.000 claims description 3
- 238000000926 separation method Methods 0.000 claims description 3
- 239000002699 waste material Substances 0.000 abstract description 6
- 238000000034 method Methods 0.000 abstract description 5
- 238000004519 manufacturing process Methods 0.000 abstract description 3
- 238000010586 diagram Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 4
- 230000013011 mating Effects 0.000 description 2
- 238000000465 moulding Methods 0.000 description 2
- 230000007812 deficiency Effects 0.000 description 1
- 239000000686 essence Substances 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21B—ROLLING OF METAL
- B21B27/00—Rolls, roll alloys or roll fabrication; Lubricating, cooling or heating rolls while in use
- B21B27/02—Shape or construction of rolls
- B21B27/024—Rolls for bars, rods, rounds, tubes, wire or the like
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21H—MAKING PARTICULAR METAL OBJECTS BY ROLLING, e.g. SCREWS, WHEELS, RINGS, BARRELS, BALLS
- B21H1/00—Making articles shaped as bodies of revolution
- B21H1/22—Making articles shaped as bodies of revolution characterised by use of rolls having circumferentially varying profile ; Die-rolling
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Geometry (AREA)
- Metal Rolling (AREA)
Abstract
The present invention relates to a kind of Step Shafts without material head continuous rolling mold, the mold includes being separately mounted on rolled with roller wedge topping roll and bottom roll and the identical upper mold of structure and lower mold, upper mold and lower mold roll initiating terminal along respective length of run direction wherein one end, the other end is forming ends, the width of the rolling initiating terminal is less than the width of forming ends, upper mold and lower mold are pre-forming area along respective width direction wherein side, the other side is that shaping area, pre-forming area and shaping area are separated by the cutter being arranged on forming ends；The type groove for rolling shaft member is equipped on the pre-forming area and shaping area.Step Shaft is rolled by improved mold to link up the processing of front and back shaft member, so being not in waste material head in process, is avoided the waste of steel, is reduced production cost.
Description
Technical field
The present invention relates to Machining of Shaft-type Parts technical field, specifically a kind of Step Shaft is without material head continuous rolling mold
And its milling method.
Background technology
Rolled with roller wedge refers to cylinder blank and continuous and local deformation, the part being rolled into occurs between the mold of two rolls
Shape is consistent with the shape of mold bottom type groove.
Include mainly rolling initiating terminal and forming ends after rolling mold planar development, its molding end structure of existing mold is as said
Shown in bright book attached drawing Fig. 1, the structure of upper die and lower die is identical, and the left and right ends of upper die and lower die are equipped with cutter, in upper mold
Cutter location on cutter and lower die corresponds to, and the operation of rolling of such mold is：First whole Zhi Yuangang is initially switched off by length of rolled piece
It at the stub material of corresponding length, then is heated and is rolled successively, there are following technological deficiencies for the operation of rolling：1. axis when rolling
The extra part in part both ends generates many waste material heads by the cutter cut-out of left and right two, causes the waste of steel, improves life
Produce cost；2. process is to process one by one, serialization rolling is cannot achieve, rolling efficiency is low.
Invention content
A kind of Step Shaft of present invention proposition is without material head continuous rolling mold and its milling method.
The technical proposal of the invention is realized in this way, provides a kind of Step Shaft without material head continuous rolling mold, including point
It An Zhuan not on the rolled with roller wedge topping roll and bottom roll and identical upper mold of structure and lower mold, upper mold and lower mold edge
Respective length of run direction wherein one end is rolling initiating terminal, and the other end is forming ends, and the width of the rolling initiating terminal is less than
The width of forming ends, upper mold and lower mold are pre-forming area along respective width direction wherein side, and the other side is shaping area, in advance
Shaping area and shaping area are separated by the cutter being arranged on forming ends；The pre-forming area of upper mold and lower mold forming ends and at
The side that type area is located remotely from each other is equipped with non-active area, forming ends unless active region width by one times of processing shaft member length
More than；The type groove for rolling shaft member is equipped on the pre-forming area and shaping area.
The upper mold and lower mold are fixed by bolt and roll as a preferred technical solution,.
The present invention also provides a kind of milling method of Step Shaft without material head continuous rolling mold to include the following steps：
1. pushing whole Zhi Yuangang that one end of round steel is sent into the pre-forming area of the pre-forming area and lower mold of upper mold, will justify
The end face at steel push-in end positions round steel as anchor point, starts cross wedge rolling and carries out shaft member and rolls for the first time, rolling completion for the first time the
The head end of one shaft member is preforming；
2. continuing to press on the shaping area of shaping area and lower mold that round steel makes first shaft member head end enter upper mold, and will
The forming surface of first shaft member positions round steel as anchor point, carries out second later and rolls, and second of rolling completes first
A shaft member global formation and second shaft member head end are preforming, and the cutters of forming ends is by the end end of first shaft member and the
Two shaft member head end end cut-out separation；
It is processed one by one 3. continuing to press on remaining round steel and carrying out shaft member according to the processing method of step 2..
By adopting the above-described technical solution, the present invention has advantageous effect following prominent：
1, it rolls Step Shaft by improved mold to link up the processing of front and back shaft member, so will not in process
There is waste material head, avoids the waste of steel, reduce production cost.
2, the discontinuous production technology rolled after conventional be initially switched off has been overturned by the improvement of mold, has realized whole round steel
Serialization rolls, and rolling efficiency promotes several times.
Description of the drawings
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technology description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
Some embodiments of invention without having to pay creative labor, may be used also for those of ordinary skill in the art
With obtain other attached drawings according to these attached drawings.
Fig. 1 is existing mold forming ends operation of rolling schematic diagram.
Fig. 2 is upper mold of the present invention or lower mold planar development schematic diagram.
Fig. 3 is sectional view at A-A in Fig. 2.
Fig. 4 is sectional view at B-B in Fig. 2.
Fig. 5 is upper mold and lower die assembly as-rolled condition schematic diagram at A-A in Fig. 2.
Fig. 6 is upper mold and lower die assembly as-rolled condition schematic diagram at B-B in Fig. 2.
In figure：1- broadening angles；2- rolls initiating terminal；3- forming ends；4- cutters；The pre-forming areas 5-；The shaping areas 6-；7- types
Slot, 8- forming angles, the non-active areas 9-.
Specific implementation mode
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation describes, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, those of ordinary skill in the art are obtained every other without creative efforts
Embodiment shall fall within the protection scope of the present invention.
A kind of Step Shaft is without material head continuous rolling mold, including is separately mounted on rolled with roller wedge topping roll and bottom roll
And the identical upper mold of structure and lower mold, upper mold and lower mold are fixed by bolt and roll.
As shown in Fig. 2, upper mold and lower mold are rolling initiating terminal 2 along respective length of run direction wherein one end, it is another
End is forming ends 3, and the width of rolling initiating terminal 2 is less than the width of forming ends 3.Upper mold and lower mold along respective width direction its
Middle side is pre-forming area 5, and the other side is shaping area 6, and pre-forming area 5 and shaping area 6 are by being arranged the cutter on forming ends 3
4 separate.
The side that the pre-forming area 5 and shaping area 6 of upper mold and lower mold forming ends 3 are located remotely from each other is equipped with non-active area
9, forming ends 3 unless active region 9 width by one times or more of processing shaft member length.If upper mold and lower mold forming ends
3 length is less than above-mentioned requirements, then is unable to get preforming processing effect.
As shown in Figure 3,4, the type groove 7 for rolling shaft member is equipped on the pre-forming area 5 and shaping area 6.
As shown in Fig. 2, the range of broadening angle 1 is 7 ° -9 ° on the upper mold and lower mold, the range of this broadening angle 1
1 angle of broadening angle compared to existing mold reduces, and reduces the size of rolling 2 broadening angle 1 of initiating terminal and shaft member can be made to be more easy into
Type.As shown in figure 4, the range of forming angle 8 is 35 ° -45 ° on upper mold and lower mold, the range of this forming angle 8 is compared to existing
There is 8 angle of forming angle of mold to increase, the purpose for increasing broadening angle 1 is the thrust for making the increase of its thrust offset back round steel, from
And adapt to whole round steel serialization rolling.
A kind of milling method of the Step Shaft without material head continuous rolling mold includes the following steps：
1. push whole Zhi Yuangang that one end of round steel is sent into the pre-forming area 5 of the pre-forming area 5 and lower mold of upper mold, it will
The end face at round steel push-in end positions round steel as anchor point, starts cross wedge rolling progress shaft member and rolls for the first time, rolling for the first time is completed
The head end of first shaft member is preforming；
2. the shaping area 6 of shaping area 6 and lower mold that round steel makes first shaft member head end enter upper mold is continued to press on, and
Round steel is positioned using the forming surface of first shaft member as anchor point, second is carried out later and rolls, second of rolling completes the
One shaft member global formation and second shaft member head end are preforming, and the cutters 4 of forming ends is by the end end of first shaft member
It is detached with second shaft member head end end cut-out；
It is processed one by one 3. continuing to press on remaining round steel and carrying out shaft member according to the processing method of step 2..
It is described further with reference to pair the rolling method of Fig. 1,2,3,4,5,6：
In the operation of rolling, whole Zhi Yuangang is entered by pushers such as cylinders between upper mold and lower mold, upper and lower two
Continuous and local deformation occurs for round steel under a mold collective effect, when rolling for the first time, upper mold pre-forming area 5 and lower mold in advance at
Under the mating reaction of both type areas 5, it is preforming to complete first shaft member head end；Continue to press on round steel, make first shaft member head end into
The shaping area 6 for entering the shaping area 6 and lower mold of upper mold, in the mating reaction of both upper mold shaping area 6 and lower mold shaping area 6
Under, it completes first shaft member global formation and second shaft member head end is preforming, as shown in figure 5, passing through after shaft member roll forming
Cutter 4 on cutter 4 and lower mold on upper mold coordinates the end end of first shaft member and second shaft member head end end
Head cut-out separation.
When shaft member is by B-B, as shown in fig. 6, the pre-forming area 5 at B-B, realizes the part of second shaft member head end
It rolls, the shaping area 6 at B-B, realizes rolling of first shaft member in addition to head end.
When shaft member is located by A-A, as shown in figure 5, the pre-forming area 5 at A-A, second shaft member head end of completion in advance at
Type, molding of first shaft member in addition to head end is completed in the shaping area 6 at A-A, since the head end of first shaft member is rolled for the first time
Roll forming when processed, so when rolling for second, the head end of first shaft member in shaping area pair does not play the role of rolling, rises
To be retainer effect.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all essences in the present invention
With within principle, any modification, equivalent replacement, improvement and so on should all be included in the protection scope of the present invention god.
Claims (3)
1. a kind of Step Shaft is without material head continuous rolling mold, including be separately mounted on rolled with roller wedge topping roll and bottom roll and
The identical upper mold of structure and lower mold, upper mold and lower mold are rolling initiating terminal along respective length of run direction wherein one end
(2), the other end is forming ends (3), it is characterised in that：The width of the rolling initiating terminal (2) is less than the width of forming ends (3),
Upper mold and lower mold are pre-forming area (5) along respective width direction wherein side, and the other side is shaping area (6), pre-forming area
(5) separated by the cutter (4) being arranged on forming ends (3) with shaping area (6)；Upper mold and lower mold forming ends (3) it is pre-
The side that shaping area (5) and shaping area (6) are located remotely from each other is equipped with non-active area (9), and forming ends (3) are unless active region (9)
Width by one times or more of processing shaft member length；It is equipped on the pre-forming area (5) and shaping area (6) for rolling shaft member
Type groove (7).
2. a kind of Step Shaft described in accordance with the claim 1 is without material head continuous rolling mold, it is characterised in that：The upper mold and
Lower mold is fixed by bolt and roll.
3. a kind of Step Shaft according to any one of claim 1-2 is without material head continuous rolling mold, milling method
Include the following steps：
1. pushing whole Zhi Yuangang that one end of round steel is sent into the pre-forming area 5 of the pre-forming area 5 and lower mold of upper mold, by round steel
The end face at push-in end positions round steel as anchor point, starts cross wedge rolling progress shaft member and rolls for the first time, rolling for the first time completes first
The head end of a shaft member is preforming；
2. continuing to press on the shaping area 6 of shaping area 6 and lower mold that round steel makes first shaft member head end enter upper mold, and by
The forming surface of one shaft member positions round steel as anchor point, carries out second later and rolls, and second of rolling completes first
Shaft member global formation and second shaft member head end are preforming, and the cutters 4 of forming ends is by the end end of first shaft member and the
Two shaft member head end end cut-out separation；
It is processed one by one 3. continuing to press on remaining round steel and carrying out shaft member according to the processing method of step 2..
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810844229.1A CN108672499B (en) | 2018-07-27 | 2018-07-27 | Continuous rolling die without stub bar for step shaft and rolling method of continuous rolling die |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810844229.1A CN108672499B (en) | 2018-07-27 | 2018-07-27 | Continuous rolling die without stub bar for step shaft and rolling method of continuous rolling die |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108672499A true CN108672499A (en) | 2018-10-19 |
| CN108672499B CN108672499B (en) | 2024-03-22 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810844229.1A Active CN108672499B (en) | 2018-07-27 | 2018-07-27 | Continuous rolling die without stub bar for step shaft and rolling method of continuous rolling die |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108672499B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110102569A (en) * | 2019-06-17 | 2019-08-09 | 淄博宏杰自动化设备有限公司 | Without material head formula cross wedge rolling system |
| CN110252816A (en) * | 2019-06-18 | 2019-09-20 | 北京科技大学 | A prefabricated cross-wedge rolling die with billet and rolling forming method of rolling piece without tip |
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|---|---|---|---|---|
| EP0145803A1 (en) * | 1983-12-17 | 1985-06-26 | Fried. Krupp Gesellschaft mit beschränkter Haftung | Method of producing hot-plated metallic strips |
| CN1059674A (en) * | 1990-08-02 | 1992-03-25 | 川崎制铁株式会社 | The method of the joint method of steel billet and continuously hot rolling in the hot rolling |
| JP2000051919A (en) * | 1998-08-10 | 2000-02-22 | Sumitomo Metal Ind Ltd | Method and apparatus for removing depressions in hot joints in continuous hot rolling |
| CN1631568A (en) * | 2004-12-31 | 2005-06-29 | 浙江工业大学 | Processing method of asymmetric stepped gear shaft and its special mold |
| CN102615109A (en) * | 2012-04-07 | 2012-08-01 | 莱芜市汇锋汽车轴齿有限公司 | Synchronous cross wedge rolling die for input shaft and output shaft of gear box |
| CN103302211A (en) * | 2013-05-29 | 2013-09-18 | 河北东安精工股份有限公司 | Small stub bar transverse rolling processing mould |
| CN105728603A (en) * | 2016-04-02 | 2016-07-06 | 山东汇锋传动股份有限公司 | Successive and continuous single-stub bar rolling equipment for all heating zones of round steel |
| CN107377859A (en) * | 2017-08-31 | 2017-11-24 | 四川凯茨实业集团有限公司 | The manufacturing process of middle forged shaft non-trimming forging |
| CN207615606U (en) * | 2017-12-06 | 2018-07-17 | 宾科汽车紧固件（昆山）有限公司 | Part and its molding machine for wedge-shaped brake chamber |
| CN208787206U (en) * | 2018-07-27 | 2019-04-26 | 山东泰金精锻股份有限公司 | A kind of Step Shaft is without material head continuous rolling mold |
-
2018
- 2018-07-27 CN CN201810844229.1A patent/CN108672499B/en active Active
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0145803A1 (en) * | 1983-12-17 | 1985-06-26 | Fried. Krupp Gesellschaft mit beschränkter Haftung | Method of producing hot-plated metallic strips |
| CN1059674A (en) * | 1990-08-02 | 1992-03-25 | 川崎制铁株式会社 | The method of the joint method of steel billet and continuously hot rolling in the hot rolling |
| JP2000051919A (en) * | 1998-08-10 | 2000-02-22 | Sumitomo Metal Ind Ltd | Method and apparatus for removing depressions in hot joints in continuous hot rolling |
| CN1631568A (en) * | 2004-12-31 | 2005-06-29 | 浙江工业大学 | Processing method of asymmetric stepped gear shaft and its special mold |
| CN102615109A (en) * | 2012-04-07 | 2012-08-01 | 莱芜市汇锋汽车轴齿有限公司 | Synchronous cross wedge rolling die for input shaft and output shaft of gear box |
| CN103302211A (en) * | 2013-05-29 | 2013-09-18 | 河北东安精工股份有限公司 | Small stub bar transverse rolling processing mould |
| CN105728603A (en) * | 2016-04-02 | 2016-07-06 | 山东汇锋传动股份有限公司 | Successive and continuous single-stub bar rolling equipment for all heating zones of round steel |
| CN107377859A (en) * | 2017-08-31 | 2017-11-24 | 四川凯茨实业集团有限公司 | The manufacturing process of middle forged shaft non-trimming forging |
| CN207615606U (en) * | 2017-12-06 | 2018-07-17 | 宾科汽车紧固件（昆山）有限公司 | Part and its molding machine for wedge-shaped brake chamber |
| CN208787206U (en) * | 2018-07-27 | 2019-04-26 | 山东泰金精锻股份有限公司 | A kind of Step Shaft is without material head continuous rolling mold |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110102569A (en) * | 2019-06-17 | 2019-08-09 | 淄博宏杰自动化设备有限公司 | Without material head formula cross wedge rolling system |
| CN110252816A (en) * | 2019-06-18 | 2019-09-20 | 北京科技大学 | A prefabricated cross-wedge rolling die with billet and rolling forming method of rolling piece without tip |
| CN110252816B (en) * | 2019-06-18 | 2020-11-06 | 北京科技大学 | A kind of prefabricated wedge wedge cross-rolling die with blank and rolling forming method for rolling piece without material head |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108672499B (en) | 2024-03-22 |
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