CN105170645A - Shaft three-roller wedge cross rolling mill - Google Patents
Shaft three-roller wedge cross rolling mill Download PDFInfo
- Publication number
- CN105170645A CN105170645A CN201510567896.6A CN201510567896A CN105170645A CN 105170645 A CN105170645 A CN 105170645A CN 201510567896 A CN201510567896 A CN 201510567896A CN 105170645 A CN105170645 A CN 105170645A
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- 238000005096 rolling process Methods 0.000 title claims abstract description 36
- 230000005540 biological transmission Effects 0.000 claims abstract description 31
- 238000005242 forging Methods 0.000 claims description 21
- 230000001360 synchronised effect Effects 0.000 claims description 6
- 238000007599 discharging Methods 0.000 claims description 4
- 238000003860 storage Methods 0.000 claims description 4
- 230000007547 defect Effects 0.000 abstract description 7
- 239000003638 chemical reducing agent Substances 0.000 abstract 2
- 239000000463 material Substances 0.000 abstract 2
- 238000000034 method Methods 0.000 description 7
- 238000005516 engineering process Methods 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 241000254099 Melolontha melolontha Species 0.000 description 1
- 238000003889 chemical engineering Methods 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 239000000498 cooling water Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000009776 industrial production Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000003801 milling Methods 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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- Reduction Rolling/Reduction Stand/Operation Of Reduction Machine (AREA)
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Abstract
The invention relates to profile rolling equipment, in particular to a shaft three-roller wedge cross rolling mill. A power source is connected with a speed reducer through a transmission mechanism; an output end of the speed reducer is connected with an input end of a three-shaft balance box through a transmission shaft B; an output end of the three-shaft balance box is respectively connected with three rollers through three transmission shafts C to drive the three rollers to synchronously rotate in the same direction; connecting lines of end surface circle centers of the three rollers are formed to an equilateral triangle; a roller C is positioned below a roller A and a roller B, and is axially provided with a material receiving tank; a rod to be rolled is driven by a pneumatic hydraulic system to axially feed among the three rollers; and a shaft rolled by the three rollers is accommodated in the material receiving tank, and is discharged along with the rotation of the roller C in the radial direction. The shaft three-roller wedge cross rolling mill adopts axial feeding and radial discharge; and the three rollers synchronously rotate in the same direction to roll the rod with uniform force, so that the heart stress state of the shaft is improved, and the possibly generated loose defect of the center of the shaft can be preferably controlled.
Description
Technical field
The present invention relates to section rolling equipment, specifically a kind of shaft forgings three-high cross-wedge rolling mill, can be used for the rolling of train shaft series axis like members.
Background technology
Cross wedge rolling technique appeared at Germany early than 1885.1961, first this technique and equipment were used for industrial production by Czechoslovakia.Subsequently, Randt graceful (Redman) company of Britain has introduced this technology, and the countries such as East Germany, Japan, the Soviet Union also successively adopt this explained hereafter axial workpiece blank.As far back as the 1950's, China just starts discussion and the experimental work (deriving from the introduction of network cross wedge rolling technique) of cross wedge rolling.But the research and apply of these cross wedge rolling technique, great majority are confined to two roller cross wedge rolling technique research and apply.Two roller cross wedge rolling machines, in the operation of rolling, easily occur that guide plate scratch, internal defect, shaft member bend the defects such as serious.
Afterwards, groups of people proposed three-roll-wedge transverse rolling technology; Start also just to rest on theoretical shaping stage, and be not applied in actual production.Three-roll-wedge transverse rolling is compared with two roller cross wedge rollings, and advantage is:
1. more easily realize axial flow;
2. rolled piece heart portion stress state improvement;
3. can control the rarefaction defect that rolled piece center may occur preferably;
4. eliminate guide plate, the defect of guide plate scratch rolled surface can not occur.
Due in three-roll-wedge transverse rolling, roll maximum outside diameter limits by rolled piece minimum diameter, there will be problem that three rolls collide outside maximum gauge (source: part roll forming technology " publish in April, 2010, chemical engineering industry publishing house, chief editor Hu Zhenghuan).At present, three-high cross-wedge rolling mill maximum is in the world Φ 1060mm milling train, Φ 100mm × 700mm can be of a size of by processing parts, production efficiency is 6 ~ 10/min (source: " special rolling equipment " 2014, metallurgical industry publishing house, chief editor Zhou Cunlong etc.), the demand of processing major diameter, major axis shaft forgings cannot be met.
Summary of the invention
In order to solve the above-mentioned defect easily occurred in the two roller cross wedge rolling machine operations of rolling, and in order to meet the demand of major diameter, major axis shaft forgings, the object of the present invention is to provide a kind of shaft forgings three-high cross-wedge rolling mill.
The object of the invention is to be achieved through the following technical solutions:
The present invention includes the power source be arranged on respectively in rolling-mill housing, reductor, three spindle balance casees, roll A, roll B, roll C and pneumatic hydraulic system, wherein power source is connected with described reductor by transmission mechanism, the output of this reductor is connected with described three spindle balance case inputs by power transmission shaft B, the output of described three spindle balance casees is connected with roll A, roll B and roll C respectively by three power transmission shaft C, drives roll A, roll B and the synchronous rotating Vortex of roll C; Line between described roll A, roll B and the roll C end face center of circle is equilateral triangle, this roll C is positioned at the below of roll A and roll B and has splicing groove vertically, bar to be rolled drives charging ram axial admission between roll A, roll B and roll C by described pneumatic hydraulic system, shaft forgings after described roll A, roll B and roll C rolling is placed in described splicing groove, the radial discharging of the rotation with described roll C.
Wherein: the axial-radial of described roll A, roll B and roll C is measure-alike, described roll A and the contour setting of roll B, and sideline between the roll A end face center of circle and the roll B end face center of circle and plane-parallel; The power transmission shaft C of described roll A, roll B and roll C is all provided with the arc-shaped gear adjusting each roll radial direction; Described bar is positioned at roll A, roll B and roll C inscribe region all the time, is rolled into described shaft forgings by the pattern on described roll A, roll B and roll C; Described transmission mechanism comprises belt pulley, belt and power transmission shaft A, and one end of this power transmission shaft A is connected with described reductor, and the other end is connected with described belt pulley, and the output of described power source is connected with belt pulley by belt; Described power source is pneumatic clutch, and this pneumatic clutch is connected with belt pulley by belt, and described roll A, roll B and roll C often rotate one week, and this pneumatic clutch is separated; Described pneumatic clutch is connected with air compressor air storage tank, and is provided with air compressor machine Pressure gauge on the pipeline connected.
Advantage of the present invention and good effect are:
1. the present invention adopts axial admission, radial discharging, three synchronous rotating Vortexes of roll are rolled bar, firmly evenly, more easily realize axial flow, shaft forgings heart portion stress state is improved, the rarefaction defect that shaft forgings center may occur can be controlled well.
2. present invention eliminates guide plate, avoid the situation that guide plate scratch rolled surface occurs, environmental protection, noise are little.
3. axial, the radial dimension of the present invention's three rolls is consistent, and diameter can regulate, diameter of axle phase-adjustable, and many wedge wedgings, one-shot forming, recirculated cooling water can be adopted to carry out water-cooled, and production full process automatization degree is high, and cost is low.
Accompanying drawing explanation
Fig. 1 is overall structure schematic diagram of the present invention;
Fig. 2 is the structure principle chart of charging of the present invention;
Fig. 3 is one of structure principle chart of the present invention's three rolls;
Fig. 4 is the structure principle chart two of the present invention's three rolls;
Fig. 5 is the end face structure schematic diagram of the present invention's three rolls;
Fig. 6 is the structural representation of the another kind of type of drive of the present invention;
Wherein: 1 is roll A, 2 is roll B, and 3 is roll C, and 4 is bar, 5 is splicing groove, and 6 is shaft forgings, and 7 is charging ram, 8 is pneumatic hydraulic system, and 9 is belt pulley, and 10 is reductor, 11 is power transmission shaft B, and 12 is three spindle balance casees, and 13 is power transmission shaft C, 14 is power transmission shaft A, and 15 is motor, and 16 is belt, 17 is air compressor air storage tank, and 18 is air compressor machine Pressure gauge, and 19 is pneumatic clutch.
Detailed description of the invention
Below in conjunction with accompanying drawing, the invention will be further described.
As shown in Figure 1 and Figure 2, the present invention includes the power source be arranged on respectively in rolling-mill housing, reductor 10, three spindle balance case 12, roll A1, roll B2, roll C3 and pneumatic hydraulic system 8, wherein power source can be motor 15, transmission mechanism comprises belt pulley 9, belt 16 and power transmission shaft A14, one end of this power transmission shaft A14 is connected with reductor 10, the other end is connected with belt pulley 9, and the output of motor 15 is connected with belt pulley 9 by belt 16.
The output of reductor 10 is connected with three spindle balance case 12 inputs by power transmission shaft B11, and the output of three spindle balance casees 12 exports three power transmission shaft C13, and every root power transmission shaft C13 is all connected with a roll.
As shown in Fig. 3, Fig. 4 and Fig. 5, three rolls on three power transmission shaft C13 are respectively roll A1, roll B2 and roll C3, the axial-radial of this roll A1, roll B2 and roll C3 is measure-alike, line between three roll end face centers of circle is equilateral triangle, i.e. one, place, the center of circle circle of three rolls, the angle between the line between the center of circle of this circle and each roll center of circle is 120 °.Roll A1 and the contour setting of roll B2, roll C3 is positioned at the below of roll A1 and roll B2 and has splicing groove 5 vertically; Sideline between the roll A1 end face center of circle and the roll B2 end face center of circle and plane-parallel.Three rolls all have the pattern of rolling bar 4, the power of motor 15 passes to three rolls by reductor 10, three spindle balance case 12, makes roll A1, roll B2 and the synchronous rotating Vortex of roll C3.The roll shaft (i.e. power transmission shaft C13) of roll A1, roll B2 and roll C3 is all provided with arc-shaped gear, and this arc-shaped gear is prior art, and the modulus of the arc-shaped gear of the present embodiment is 6, and the facewidth is 50mm; Adopt the radial direction of arc-shaped gear adjustable three rolls.Roll A1, the roll B2 of the present embodiment and roll C3 diameter adjustable, diameter is Φ 1100mm ~ Φ 1200mm.
Pneumatic hydraulic system 8 is positioned at the side of three roll feed ends, by charging ram 7 by bar 4 axial admission between roll A1, roll B2 and roll C3, bar 4 is positioned at roll A1, roll B2 and roll C3 inscribe region (namely bar 4 is tangent with three rolls respectively) all the time, be rolled by the pattern on roll A1, roll B2 and roll C3, three synchronous rotating Vortexes of roll, reach radial compression, axially extend; Firmly to bar 4, firmly evenly, bar 4 is positioned at three roll inscribe regions to three rolls all the time, can be shaped rapidly simultaneously.
As shown in Figure 6, power source is pneumatic clutch 19, and this pneumatic clutch 19 is connected with belt pulley 9 by belt 16, thus the rotation of control roll A1, roll B2 and roll C3 and stopping.Three rolls often rotate one week, and pneumatic clutch 19 is separated, and three rolls stop operating.Pneumatic clutch 19 connects promising its provides the air compressor air storage tank 17 of gas, and is provided with air compressor machine Pressure gauge 18 on the pipeline connected.
Operation principle of the present invention is:
Bar 4 axial admission, adopts pneumatic hydraulic system 8 to shift assigned address by charging ram 7 onto by disposable for bar 4.
Electric energy conversion is that kinetic energy sends belt pulley 9 to by belt 16 by motor 18, belt pulley 9 sends kinetic energy to reductor 10 by power transmission shaft A14, power is sent to three spindle balance casees 12 by power transmission shaft B11 after slowing down by reductor 10, power is sent to three rolls uniformly across three power transmission shaft C13 by three spindle balance casees 12, drive three roll rotation, start operation; Three synchronous rotating in same directions of roll, and be driving shaft.Three rolls firmly to bar 4 simultaneously, make bar 4 be shaped rapidly, are rolled into the shaft forgings 6 of train shaft series.When the complete splicing groove 5 of shaft forgings 6 on roll C3 of rolling goes to below, drop in splicing groove 5, with the rotation of roll C3, radial discharging.
The present invention, in the operation of rolling, can adopt circulating water cooling system.
The present invention can produce the shaft forgings of major diameter (Φ 140mm ~ Φ 300mm), major axis (1000mm ~ 3000mm), can process the train shaft series axis like members of 500KG.
Three spindle balance casees 12 of the present invention are commercial products, and purchase in Liaozhong cockchafer reductor factory, model is H-1250; Pneumatic hydraulic system 8 is commercial products, and purchase and sell Co., Ltd in Tianjin Tong Run hydraulic press, model is 12.5 thousand self-conceit liquid liftout cylinders; Pneumatic clutch 19 is commercial products, and purchase in Wuxi City Dong Machinery Manufacturing Co., Ltd., model is 85#.
Claims (7)
1. a shaft forgings three-high cross-wedge rolling mill, it is characterized in that: comprise the power source be arranged on respectively in rolling-mill housing, reductor (10), three spindle balance casees (12), roll A (1), roll B (2), roll C (3) and pneumatic hydraulic system (8), wherein power source is connected with described reductor (10) by transmission mechanism, the output of this reductor (10) is connected with described three spindle balance case (12) inputs by power transmission shaft B (11), the output of described three spindle balance casees (12) by three power transmission shaft C (13) respectively with roll A (1), roll B (2) and roll C (3) connects, drive roll A (1), the synchronous rotating Vortex of roll B (2) and roll C (3), described roll A (1), line between roll B (2) and roll C (3) the end face center of circle is equilateral triangle, this roll C (3) is positioned at the below of roll A (1) and roll B (2), and have splicing groove (5) vertically, bar (4) to be rolled drives charging ram (7) axial admission to roll A (1) by described pneumatic hydraulic system (8), between roll B (2) and roll C (3), through described roll A (1), shaft forgings (6) after roll B (2) and roll C (3) rolling is placed in described splicing groove (5), the radial discharging of rotation with described roll C (3).
2. by shaft forgings three-high cross-wedge rolling mill according to claim 1, it is characterized in that: the axial-radial of described roll A (1), roll B (2) and roll C (3) is measure-alike, described roll A (1) and roll B (2) contour setting, and sideline between roll A (1) the end face center of circle and roll B (2) the end face center of circle and plane-parallel.
3., by shaft forgings three-high cross-wedge rolling mill according to claim 1, it is characterized in that: the power transmission shaft C (13) of described roll A (1), roll B (2) and roll C (3) is all provided with the arc-shaped gear adjusting each roll radial direction.
4. by shaft forgings three-high cross-wedge rolling mill according to claim 1, it is characterized in that: described bar (4) is positioned at roll A (1), roll B (2) and roll C (3) inscribe region all the time, be rolled into described shaft forgings (6) by the pattern on described roll A (1), roll B (2) and roll C (3).
5. by shaft forgings three-high cross-wedge rolling mill according to claim 1, it is characterized in that: described transmission mechanism comprises belt pulley (9), belt (16) and power transmission shaft A (14), one end of this power transmission shaft A (14) is connected with described reductor (10), the other end is connected with described belt pulley (9), and the output of described power source is connected with belt pulley (9) by belt (16).
6. by shaft forgings three-high cross-wedge rolling mill according to claim 5, it is characterized in that: described power source is pneumatic clutch (19), this pneumatic clutch (19) is connected with belt pulley (9) by belt (16), described roll A (1), roll B (2) and roll C (3) often rotate one week, and this pneumatic clutch (19) is separated.
7. by shaft forgings three-high cross-wedge rolling mill according to claim 6, it is characterized in that: described pneumatic clutch (19) is connected with air compressor air storage tank (17), and on the pipeline connected, air compressor machine Pressure gauge (18) is installed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510567896.6A CN105170645B (en) | 2015-09-08 | 2015-09-08 | Shaft three-roller wedge cross rolling mill |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510567896.6A CN105170645B (en) | 2015-09-08 | 2015-09-08 | Shaft three-roller wedge cross rolling mill |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105170645A true CN105170645A (en) | 2015-12-23 |
| CN105170645B CN105170645B (en) | 2017-04-26 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510567896.6A Active CN105170645B (en) | 2015-09-08 | 2015-09-08 | Shaft three-roller wedge cross rolling mill |
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| Country | Link |
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| CN (1) | CN105170645B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111185550A (en) * | 2020-01-14 | 2020-05-22 | 北京科技大学 | Feeding device for cross wedge rolling in circumferential direction |
| CN114393157A (en) * | 2020-10-30 | 2022-04-26 | 舒金·瓦来里·牙科罗维奇 | Transverse wedge rolling method for shaft parts |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN85106584B (en) * | 1985-07-29 | 1987-01-14 | 东北工学院 | Three rolls with wedge devic for transversely rolling axes workpiece and the method thereof |
| CN2164928Y (en) * | 1993-05-23 | 1994-05-18 | 申宗海 | Three-roll screw cold mill |
| CN2414854Y (en) * | 2000-03-08 | 2001-01-17 | 常州市兴荣管业有限公司 | Three-roller planetary pipe mill |
| RU2345851C2 (en) * | 2006-03-06 | 2009-02-10 | Открытое акционерное общество "Электростальский завод тяжелого машиностроения" | Operating mill stand of lengthwise rolling |
| EP2422896A1 (en) * | 2010-08-30 | 2012-02-29 | Politechnika Lubelska | Method for rotary compression of hollow parts by cross rolling |
| CN204953524U (en) * | 2015-09-08 | 2016-01-13 | 战广斌 | An axle type three -roller flat wedge cross rolling |
-
2015
- 2015-09-08 CN CN201510567896.6A patent/CN105170645B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN85106584B (en) * | 1985-07-29 | 1987-01-14 | 东北工学院 | Three rolls with wedge devic for transversely rolling axes workpiece and the method thereof |
| CN2164928Y (en) * | 1993-05-23 | 1994-05-18 | 申宗海 | Three-roll screw cold mill |
| CN2414854Y (en) * | 2000-03-08 | 2001-01-17 | 常州市兴荣管业有限公司 | Three-roller planetary pipe mill |
| RU2345851C2 (en) * | 2006-03-06 | 2009-02-10 | Открытое акционерное общество "Электростальский завод тяжелого машиностроения" | Operating mill stand of lengthwise rolling |
| EP2422896A1 (en) * | 2010-08-30 | 2012-02-29 | Politechnika Lubelska | Method for rotary compression of hollow parts by cross rolling |
| CN204953524U (en) * | 2015-09-08 | 2016-01-13 | 战广斌 | An axle type three -roller flat wedge cross rolling |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111185550A (en) * | 2020-01-14 | 2020-05-22 | 北京科技大学 | Feeding device for cross wedge rolling in circumferential direction |
| CN111185550B (en) * | 2020-01-14 | 2021-10-15 | 北京科技大学 | Feeding device for cross wedge rolling in circumferential direction |
| CN114393157A (en) * | 2020-10-30 | 2022-04-26 | 舒金·瓦来里·牙科罗维奇 | Transverse wedge rolling method for shaft parts |
| CN114393157B (en) * | 2020-10-30 | 2023-12-08 | 舒金·瓦来里·牙科罗维奇 | Transverse wedge rolling method for shaft parts |
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| Publication number | Publication date |
|---|---|
| CN105170645B (en) | 2017-04-26 |
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Effective date of registration: 20180525 Address after: 063400 Fu Jianyi village, Jianming Town, Zunhua, Tangshan City, Hebei Patentee after: Zunhua Huitong Machinery Co., Ltd. Address before: 110001 7-2 views and articles of C block, Guang Guang street, mansion street, Hunnan New District, Shenyang, Liaoning Patentee before: Zhan Guangbin |
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