CN102553927A - Roll-type cross wedge rolling mill with replaceable roll systems for railway axles - Google Patents
Roll-type cross wedge rolling mill with replaceable roll systems for railway axles Download PDFInfo
- Publication number
- CN102553927A CN102553927A CN2012100046877A CN201210004687A CN102553927A CN 102553927 A CN102553927 A CN 102553927A CN 2012100046877 A CN2012100046877 A CN 2012100046877A CN 201210004687 A CN201210004687 A CN 201210004687A CN 102553927 A CN102553927 A CN 102553927A
- Authority
- CN
- China
- Prior art keywords
- roll
- rolling mill
- roll system
- cross wedge
- wedge rolling
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Images
Landscapes
- Rolling Contact Bearings (AREA)
- Rolls And Other Rotary Bodies (AREA)
Abstract
The invention discloses a roll-type cross wedge rolling mill with replaceable roll systems for railway axles, which comprises a framework, an upper roll system, a lower roll system and a driving mechanism. The driving mechanism is used for driving the upper roll system to move vertically. The upper roll system is in sliding fit with the framework, and the lower roll system is fixedly mounted on the framework. The roll-type cross wedge rolling mill with the replaceable roll systems for railway axles is characterized in that the upper roll system and the lower roll system have the same structures, the upper roll system comprises a roll and two supporting rolls, the two supporting rolls are respectively arranged at two ends of the roll and are coupled to bearing blocks on the corresponding sides, the bearing blocks in the upper roll system are in sliding fit with the framework, connecting ends are fixedly arranged on two sides of the roll respectively, and a detachable fixing and connecting mechanism is arranged between each connecting end and each supporting roll. The roll-type cross wedge rolling mill with the replaceable roll systems for railway axles has the advantages that the rolls in the roll systems can be replaced, mould debugging on equipment is omitted after moulds are processed, and accordingly debugging difficulty of large and complicated moulds is reduced greatly, debugging time is saved, and equipment operation rate is increased greatly.
Description
Technical field
The present invention relates to a kind of cross wedge rolling mill roller, relate in particular to the Rail vehicle axle cross wedge rolling mill roller that a kind of replaceable roller is.
Background technology
Cross wedge rolling is a kind of New Forming Process of axial workpiece, has advantages such as efficient, material-saving, has at home and abroad obtained using more widely.Along with the continuous development of cross wedge rolling technology, to the requirement of equipment also heal come high more.At present the roll system of cross wedge rolling machine is overall structure, after Mould Machining finishes, is installed on the mandrel of roll system, rolls through examination and carries out corresponding die debugging (comprising repairing and the position adjustment of mould etc.).But the artifact influence is very big in the debug process of mould, and particularly for unskilled operative employee, the time of die debugging needs 3-5 days sometimes, has occupied a large amount of device fabrication time, has had a strong impact on the utilization of capacity of equipment.And along with the promotion and application of Multi-wedge Cross Wedge Rolling rolling technique on Rail vehicle axle and automobile axle shaft, its mould is greatly and more complicated, more strengthens in the machine debugging difficulty, and the time is also longer.
Summary of the invention
Technical problem to be solved by this invention provides the Rail vehicle axle cross wedge rolling mill roller that a kind of replaceable roller that solves the problem that big and complicated mould is big in the machine debugging difficulty, the time is long is.
The present invention solves the problems of the technologies described above the technical scheme that is adopted: the Rail vehicle axle cross wedge rolling mill roller that a kind of replaceable roller is; Comprise frame, topping roll system, bottom roll system and be used to drive the driving mechanism that described topping roll system moves up and down; Described topping roll system and described frame are slidingly matched; Described bottom roll system is fixedly mounted on the described frame; Described upper and lower roll system structure is identical, and described topping roll system comprises roll, and the two ends of described roll are respectively arranged with backing roll; Described supporting roller is connected on its bearing block that belongs to a side; Bearing block and described frame in the described topping roll system are slidingly matched, and the two ends of described roll are set with link respectively, are provided with dismountable mechanism that is fixedly connected between described link and the described backing roll.
Described fixed connection mechanism comprises connecting key; Described backing roll is provided with mounting platform; Described connecting key is fixedly mounted on the centre position of described mounting platform vertically, and described link and described mounting platform are complementary, and described link is provided with keyway; Described connecting key matches with described keyway; The both sides of described mounting platform are respectively arranged with at least one first fluting radially, are connected with connecting bolt in described first fluting, and described link is provided with and corresponding second fluting of described first slotting position; Described connecting bolt inwardly is transferred in described second fluting and through nut and is fixedly connected with described link, is set with alignment pin between described link and the described mounting platform.
Described connecting bolt is coupling in described first fluting through bearing pin, is socketed with copper sheathing on the described bearing pin, and described copper sheathing is between described bearing pin and described connecting bolt.
Described backing roll is connected on the described bearing block through bearing shaft, and the end of described backing roll is provided with locking nut, and the both sides of described bearing block are set with bearing (ball) cover.
Described driving mechanism comprises worm gear, worm screw, screw mandrel and is fixedly installed on the drive motors on the housiung separator; The upper end of described frame is set with worm gear case; Described worm gear, worm screw are coupling respectively in described worm gear case, and described worm screw is fixedly connected with the output shaft of described drive motors, and described worm gear is meshed with described worm screw; Described screw mandrel passes described worm gear and is fixedly connected with described worm gear is coaxial through feather key; Be set with transmission nut in the described frame, described transmission nut and described screw mandrel bolt, the lower end of described screw mandrel is connected with bearing block in the described topping roll system.
The important technological parameters of described cross wedge rolling mill roller is:
(1), allows maximum rolling force 7300kN;
(2), allow maximum rolling force square 1600kN.m;
(3), roll rotational speed: 1～7.06 rpm;
(4), main motor current 650～800kw;
(5), mould maximum outside diameter: φ 1300mm;
(6), barrel length: 2200～2300mm;
(7), workpiece diameter: φ 180～230mm;
(8), adjustment amount: 300～500mm about the topping roll;
(9), the axial adjustment amount of bottom roll: ± 10mm;
(10), bottom roll phase place adjustment angle: ± 3 °;
(11), depress power of motor: 6～10kw;
(12), depress speed: 0.150～0.168mm/s.
Compared with prior art, advantage of the present invention is because the structure of the upper and lower roll system of cross wedge rolling is identical, and is provided with dismountable mechanism that is fixedly connected between the link of the roll in the roll system and the backing roll; Make the roll in the roll system replaceable, promptly adopt removable roll system to replace existing whole non-exchange roll system, after Mould Machining is accomplished; Need not on equipment, carry out die debugging; Thereby greatly reduce the debugging difficulty of big and complicated mould, also saved debug time, increased substantially the utilization of capacity of equipment; Make full use of device resource, realized rolling high efficiency, the large-scale production of macrotype axes series parts cross wedge rolling.
Description of drawings
Fig. 1 is a whole front view of the present invention;
Fig. 2 is the side view of Fig. 1;
Fig. 3 is the structural representation of driving mechanism of the present invention;
Fig. 4 is the vertical view of Fig. 3;
Fig. 5 is the structural representation of upper and lower roll system of the present invention;
Fig. 6 is the stereogram of the fixed connection mechanism in the topping roll of the present invention system;
Fig. 7 is the decomposing schematic representation of the fixed connection mechanism in the topping roll of the present invention system;
Fig. 8 is the enlarged diagram at A place among Fig. 5.
The specific embodiment
Embodiment describes in further detail the present invention below in conjunction with accompanying drawing.
Rail vehicle axle cross wedge rolling mill roller as shown in the figure, that a kind of replaceable roller is comprises frame 30, topping roll system, bottom roll system and is used to drive the driving mechanism that the topping roll system moves up and down; Topping roll system and frame 30 are slidingly matched, and the bottom roll system is fixedly mounted on the frame 30, and upper and lower roll system structure is identical; The topping roll system comprises roll 1 and the backing roll 2 that is positioned at roll 1 two ends, and backing roll 2 is coupling through bearing 3 and belongs on the bearing block 4 of a side at it, and the bearing block 4 in the topping roll system is slidingly matched with frame 30; The end of backing roll 2 is provided with locking nut 21, and the both sides of bearing block 4 are set with bearing (ball) cover 41, and the two ends of roll 1 are welded with link 11 respectively; Be wholely set mounting platform 22 on the backing roll 2, the centre position of mounting platform 22 is installed with the connecting key 5 that is provided with vertically through screw, and link 11 is complementary with mounting platform 22; Link 11 is provided with keyway (not marking among the figure); Connecting key 5 matches with keyway, and the both sides of mounting platform 22 are respectively arranged with in two first fluting, 23, the first flutings 23 radially and are connected with connecting bolt 7 through bearing pin 6; Be socketed with copper sheathing 61 on the bearing pin 6; Copper sheathing 61 is between bearing pin 6 and connecting bolt 7, and link 11 is provided with and corresponding second fluting 12 in first fluting, 23 positions, and connecting bolt 7 inwardly is transferred in second fluting 12 and through nut 8 and is fixedly connected with link 11; Be set with alignment pin 9 between link 11 and the mounting platform 22; Driving mechanism comprises worm gear 34, worm screw 33, screw mandrel 35 and is fixedly installed on the drive motors 32 on the housiung separator 31, and the upper end of frame 30 is set with worm gear case 38, and worm gear 34, worm screw 33 are coupling respectively in worm gear case 38; Worm screw 33 is fixedly connected with the output shaft of drive motors 32; Worm gear 34 is meshed with worm screw 33, and screw mandrel 35 passes worm gear 34 and through feather key 36 and worm gear 34 coaxial fixed connections, is set with transmission nut 37 in the frame 30; Transmission nut 37 and screw mandrel 35 bolts, the lower end of screw mandrel 35 is connected with bearing block 4 in the topping roll system.
In the foregoing description; In this cross wedge rolling mill roller in the upper and lower roll system installing and replacing process of roll be: the link 11 of roll 1 is placed on the mounting platform 22 of backing roll 2; And both are matched, and the connecting key 5 that is fixedly mounted on the mounting platform 22 is used to transmit moment of torsion, and turning cylinder is connected on the connecting bolt 7 on the mounting platform 22 inwards then; Connecting bolt 7 is transferred in second fluting 12 of link 11; And the mounting platform 22 of fastening nut 8 link 11 that makes roll 1 and backing roll 2 fixes, and stamps alignment pin 9 at last, promptly accomplishes the installation of roll 1; When needs are pulled down roll 1, back out nut 8, laterally rotate connecting bolt 7; Make connecting bolt 7 break away from second fluting 12 on the link 11; Lay down alignment pin 9 then, just can roll 1 be pulled down the mould that machines from backing roll 2; Carry out off-line debugging on the roll of pulling down as long as be installed in, after debugging is accomplished again with roll install together in roll system.
Claims (6)
1. the Rail vehicle axle cross wedge rolling mill roller of a replaceable roller system; Comprise frame, topping roll system, bottom roll system and be used to drive the driving mechanism that described topping roll system moves up and down; Described topping roll system and described frame are slidingly matched, and described bottom roll system is fixedly mounted on the described frame, it is characterized in that described upper and lower roll system structure is identical; Described topping roll system comprises roll; The two ends of described roll are respectively arranged with backing roll, and described supporting roller is connected on its bearing block that belongs to a side, and bearing block and described frame in the described topping roll system are slidingly matched; The two ends of described roll are set with link respectively, are provided with dismountable mechanism that is fixedly connected between described link and the described backing roll.
2. the Rail vehicle axle cross wedge rolling mill roller that a kind of replaceable roller as claimed in claim 1 is; It is characterized in that described fixed connection mechanism comprises connecting key; Described backing roll is provided with mounting platform; Described connecting key is fixedly mounted on the centre position of described mounting platform vertically, and described link and described mounting platform are complementary, and described link is provided with keyway; Described connecting key matches with described keyway; The both sides of described mounting platform are respectively arranged with at least one first fluting radially, are connected with connecting bolt in described first fluting, and described link is provided with and corresponding second fluting of described first slotting position; Described connecting bolt inwardly is transferred in described second fluting and through nut and is fixedly connected with described link, is set with alignment pin between described link and the described mounting platform.
3. the Rail vehicle axle cross wedge rolling mill roller that a kind of replaceable roller as claimed in claim 2 is; It is characterized in that described connecting bolt is coupling in described first fluting through bearing pin; Be socketed with copper sheathing on the described bearing pin, described copper sheathing is between described bearing pin and described connecting bolt.
4. the Rail vehicle axle cross wedge rolling mill roller that a kind of replaceable roller as claimed in claim 1 is; It is characterized in that described backing roll is connected on the described bearing block through bearing shaft; The end of described backing roll is provided with locking nut, and the both sides of described bearing block are set with bearing (ball) cover.
5. the Rail vehicle axle cross wedge rolling mill roller that a kind of replaceable roller as claimed in claim 1 is; It is characterized in that described driving mechanism comprises worm gear, worm screw, screw mandrel and is fixedly installed on the drive motors on the housiung separator; The upper end of described frame is set with worm gear case; Described worm gear, worm screw are coupling respectively in described worm gear case, and described worm screw is fixedly connected with the output shaft of described drive motors, and described worm gear is meshed with described worm screw; Described screw mandrel passes described worm gear and is fixedly connected with described worm gear is coaxial through feather key; Be set with transmission nut in the described frame, described transmission nut and described screw mandrel bolt, the lower end of described screw mandrel is connected with bearing block in the described topping roll system.
6. the Rail vehicle axle cross wedge rolling mill roller that a kind of replaceable roller as claimed in claim 1 is is characterized in that the important technological parameters of described cross wedge rolling mill roller is:
(1), allows maximum rolling force 7300kN;
(2), allow maximum rolling force square 1600kN.m;
(3), roll rotational speed: 1～7.06 rpm;
(4), main motor current 650～800kw;
(5), mould maximum outside diameter: φ 1300mm;
(6), barrel length: 2200～2300mm;
(7), workpiece diameter: φ 180～230mm;
(8), adjustment amount: 300～500mm about the topping roll;
(9), the axial adjustment amount of bottom roll: ± 10mm;
(10), bottom roll phase place adjustment angle: ± 3 °;
(11), depress power of motor: 6～10kw;
(12), depress speed: 0.150～0.168mm/s.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210004687.7A CN102553927B (en) | 2012-01-09 | 2012-01-09 | Roll-type cross wedge rolling mill with replaceable roll systems for railway axles |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210004687.7A CN102553927B (en) | 2012-01-09 | 2012-01-09 | Roll-type cross wedge rolling mill with replaceable roll systems for railway axles |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102553927A true CN102553927A (en) | 2012-07-11 |
| CN102553927B CN102553927B (en) | 2014-11-05 |
Family
ID=46401300
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210004687.7A Active CN102553927B (en) | 2012-01-09 | 2012-01-09 | Roll-type cross wedge rolling mill with replaceable roll systems for railway axles |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102553927B (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103861979A (en) * | 2014-03-28 | 2014-06-18 | 苏州京机锻造装备科技有限公司 | Wedge cross rolling mill with rolled-workpiece centering function |
| CN105032938A (en) * | 2015-08-10 | 2015-11-11 | 马鞍山市盈天钢业有限公司 | Rolling-mill housing |
| CN107138659A (en) * | 2017-04-28 | 2017-09-08 | 燕山大学 | A kind of cross wedge rolling machine for being used to shape small shaft forgings |
| CN112974541A (en) * | 2021-02-08 | 2021-06-18 | 太原科技大学 | Axial movement device of large axle wedge cross rolling mill for rail transit |
| CN112974540A (en) * | 2021-02-08 | 2021-06-18 | 太原科技大学 | Wedge cross rolling mill for quickly replacing roller die of large axle |
| CN113000604A (en) * | 2021-02-08 | 2021-06-22 | 太原科技大学 | Large-scale axletree intelligence wedge cross rolling mill for track traffic |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3618355A (en) * | 1968-07-19 | 1971-11-09 | Masch & Werkzeugbau Gmbh | Rolling mill and systems for facilitating the interchange of rolling-mill rolls |
| JPH02169116A (en) * | 1988-12-23 | 1990-06-29 | Sumitomo Heavy Ind Ltd | Roll changer in manufacturing equipment for resistance welded tube |
| CN1076144A (en) * | 1992-02-19 | 1993-09-15 | Sms舒路曼-斯玛公司 | Universal stand |
| CN1570408A (en) * | 2003-04-14 | 2005-01-26 | 朗根施泰因及舍曼有限公司 | Device for holding at least one roller of a rolling machine |
| CZ20033029A3 (en) * | 2003-11-07 | 2005-04-13 | Vítkovice Strojírenství, A. S. | Device for replacement of positioning pads under bearing blocks of lower supporting rolls |
| CN101722186A (en) * | 2009-11-25 | 2010-06-09 | 宁波大学 | Self-potential roller-type cross wedge rolling mill |
-
2012
- 2012-01-09 CN CN201210004687.7A patent/CN102553927B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3618355A (en) * | 1968-07-19 | 1971-11-09 | Masch & Werkzeugbau Gmbh | Rolling mill and systems for facilitating the interchange of rolling-mill rolls |
| JPH02169116A (en) * | 1988-12-23 | 1990-06-29 | Sumitomo Heavy Ind Ltd | Roll changer in manufacturing equipment for resistance welded tube |
| CN1076144A (en) * | 1992-02-19 | 1993-09-15 | Sms舒路曼-斯玛公司 | Universal stand |
| CN1570408A (en) * | 2003-04-14 | 2005-01-26 | 朗根施泰因及舍曼有限公司 | Device for holding at least one roller of a rolling machine |
| CZ20033029A3 (en) * | 2003-11-07 | 2005-04-13 | Vítkovice Strojírenství, A. S. | Device for replacement of positioning pads under bearing blocks of lower supporting rolls |
| CN101722186A (en) * | 2009-11-25 | 2010-06-09 | 宁波大学 | Self-potential roller-type cross wedge rolling mill |
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103861979A (en) * | 2014-03-28 | 2014-06-18 | 苏州京机锻造装备科技有限公司 | Wedge cross rolling mill with rolled-workpiece centering function |
| CN105032938A (en) * | 2015-08-10 | 2015-11-11 | 马鞍山市盈天钢业有限公司 | Rolling-mill housing |
| CN107138659A (en) * | 2017-04-28 | 2017-09-08 | 燕山大学 | A kind of cross wedge rolling machine for being used to shape small shaft forgings |
| CN107138659B (en) * | 2017-04-28 | 2019-03-22 | 燕山大学 | It is a kind of for shaping the cross wedge rolling machine of small shaft forgings |
| CN112974541A (en) * | 2021-02-08 | 2021-06-18 | 太原科技大学 | Axial movement device of large axle wedge cross rolling mill for rail transit |
| CN112974540A (en) * | 2021-02-08 | 2021-06-18 | 太原科技大学 | Wedge cross rolling mill for quickly replacing roller die of large axle |
| CN113000604A (en) * | 2021-02-08 | 2021-06-22 | 太原科技大学 | Large-scale axletree intelligence wedge cross rolling mill for track traffic |
| CN113000604B (en) * | 2021-02-08 | 2022-02-11 | 太原科技大学 | Large-scale axletree intelligence wedge cross rolling mill for track traffic |
| CN112974540B (en) * | 2021-02-08 | 2022-07-12 | 太原科技大学 | Wedge cross rolling mill for quickly replacing roller die of large axle |
| CN112974541B (en) * | 2021-02-08 | 2022-07-12 | 太原科技大学 | Axial movement device of large axle wedge cross rolling mill for rail transit |
| WO2022165920A1 (en) * | 2021-02-08 | 2022-08-11 | 太原科技大学 | Intelligent cross wedge rolling mill for large-sized axle in rail traffic |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102553927B (en) | 2014-11-05 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102553927B (en) | Roll-type cross wedge rolling mill with replaceable roll systems for railway axles | |
| CN105643792A (en) | Two-direction pre-tensioned prestressing ballastless track slab movable tensioning equipment | |
| CN201076866Y (en) | All-purpose rolling mills | |
| CN101722186B (en) | Self-potential roller-type cross wedge rolling mill | |
| CN103084452A (en) | Cold-bending forming machine for vehicle-mounted high-intensity arc corrugated plate | |
| CN102553928B (en) | Roll system of replaceable-roll type cross wedge rolling mill | |
| CN201596683U (en) | Tube blank feeding trolley of cold pilger mill | |
| CN112974540B (en) | Wedge cross rolling mill for quickly replacing roller die of large axle | |
| CN203566612U (en) | Automotive driving motor and speed reducer assembling tool | |
| CN101003061B (en) | Automatic axial adjustment device for roller and sectional type wedge cross rolling mill | |
| CN101804437B (en) | Large spring hot rolling machine tool and forming method therefor | |
| CN202212411U (en) | Adjustable roller mechanism of seamless steel tube three-roller hot mill | |
| CN203994005U (en) | Cutting and travelling gear mounting structure thereof | |
| CN103111467A (en) | Horizontal or vertical type general rolling mill | |
| CN203140429U (en) | Modified ejector rod thrust trolley device | |
| CN100435989C (en) | Automatic guide-board in-out apparatus of roller-type split wedge transverse miller | |
| CN105618790A (en) | Maintenance lathe for electric pole molds | |
| CN102310084B (en) | Vertical roller mill | |
| CN201505669U (en) | Equal-rigid frame of butt-weld mill | |
| CN205462440U (en) | Compact grooved roll press | |
| CN203344965U (en) | Movable carrying frame used for replacing traction motor of electric transmission locomotive | |
| CN201070637Y (en) | Roll change lifting device of rough rolling edger mill | |
| CN102172828A (en) | Replacement device for main motor of vertical roller mill | |
| CN203955959U (en) | A kind of hoop bender | |
| CN203737719U (en) | Fixed roller device of aluminum foil mill |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20160421 Address after: 271100 Shandong city of Laiwu province high tech Zone to the south, Huiyuan Street West high-speed bleomycin Patentee after: Shandong safe aurin forging limited company Address before: 315211 Zhejiang Province, Ningbo Jiangbei District Fenghua Road No. 818 Patentee before: Ningbo University |