CN108213292B - Transverse rolling device for wrench machining - Google Patents
Transverse rolling device for wrench machining Download PDFInfo
- Publication number
- CN108213292B CN108213292B CN201810244401.XA CN201810244401A CN108213292B CN 108213292 B CN108213292 B CN 108213292B CN 201810244401 A CN201810244401 A CN 201810244401A CN 108213292 B CN108213292 B CN 108213292B
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- Prior art keywords
- base
- driving motor
- roller
- lower roller
- wedge
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Classifications
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- 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
- B21H7/00—Making articles not provided for in the preceding groups, e.g. agricultural tools, dinner forks, knives, spoons
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/10—Greenhouse gas [GHG] capture, material saving, heat recovery or other energy efficient measures, e.g. motor control, characterised by manufacturing processes, e.g. for rolling metal or metal working
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- Life Sciences & Earth Sciences (AREA)
- Agronomy & Crop Science (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Metal Rolling (AREA)
- Casting Or Compression Moulding Of Plastics Or The Like (AREA)
Abstract
The invention discloses a cross rolling device for wrench machining, which comprises a feeding transmission mechanism, a cross rolling mechanism, a base, a control mechanism and a mobile manipulator mechanism, wherein the base comprises a base seat, a left side column and a right side base plate, the cross rolling mechanism comprises a positioning component, an upper roller, a lower roller, an upper roller driving motor, a lower roller driving motor and a power transmission system for driving the upper roller and the lower roller to rotate in the same direction and at the same speed, the upper roller is connected with the upper roller driving motor, the lower roller is connected with the lower roller driving motor, the upper roller driving motor, the lower roller driving motor and the power transmission system are connected with the control mechanism, the mobile manipulator mechanism is connected with the control mechanism, and the mobile manipulator mechanism is mutually matched with the cross rolling mechanism. The invention has high automation degree, one initial bar enters the transverse rolling device, two bar processing can be completed at one time, the production efficiency is high, and the raw materials are saved by 10-20%.
Description
[ field of technology ]
The invention relates to the technical field of transverse rolling, in particular to a transverse rolling device for wrench machining.
[ background Art ]
The cross wedge rolling means that a cylindrical blank is continuously and locally deformed between two roller dies or between two flat plate dies, and the shape of the rolled part is consistent with the shape of a bottom groove of the die. Wedge rolling can be broadly divided into two main categories, roll wedge rolling and plate wedge rolling. Wherein, the forming principle of roller type wedge cross rolling: the two rollers rotate in the same direction to drive the round blank to rotate in opposite directions, so that the shape of the rolled part is consistent with the shape of the bottom groove of the die.
At present, in the processing process of a wrench, the rolling method commonly adopted in the process of cross rolling of round steel wedges is to firstly cut the whole round steel into short bars with corresponding lengths according to the lengths of rolled pieces and then roll the short bars, but only one part can be processed each time when a roller rotates for one circle, the processing efficiency is low, the waste of steel is caused, and the production cost is increased. With the need of enterprises for improving productivity, the productivity of two-roll cross wedge rolling mills has slowly reached a bottleneck, and enterprises have only met the demand for production by putting in a large amount of capital to add new production lines. Therefore, the transverse rolling device needs to be improved, and the blanking efficiency of the transverse rolling device is improved.
[ invention ]
The invention aims to overcome the defects of the prior art, and provides the transverse rolling device for wrench machining, which has high automation degree, can finish machining of two bars at one time by entering one initial bar into the transverse rolling device, has high production efficiency and saves raw materials by 10-20%.
In order to achieve the aim, the invention provides a cross rolling device for wrench machining, which comprises a feeding transmission mechanism, a cross rolling mechanism, a base, a control mechanism and a mobile manipulator mechanism, wherein the feeding transmission mechanism is matched with the cross rolling mechanism, the cross rolling mechanism is fixedly arranged on the base, the base comprises a base seat, a left side base plate and a right side base plate, the left side base plate and the right side base plate are mutually perpendicular to the base seat, the left side base plate, the right side base plate and the base seat are of an integrated structure, the left side base plate and the right side base plate are respectively positioned at two sides of the cross rolling mechanism, the cross rolling mechanism comprises a positioning assembly, an upper roller, a lower roller, an upper roller driving motor, a lower roller driving motor and a power transmission system for driving the upper roller and the lower roller to rotate at the same direction and speed, the upper roller is positioned above the lower roller, the upper roll and the lower roll are provided with a positioning assembly, the upper roll, the lower roll and the positioning assembly are mutually matched, the upper roll is provided with an upper wedge die, the upper wedge die comprises two first wedge dies and a plurality of second wedge dies, one ends of the two first wedge dies are intersected and the two first wedge dies form an acute angle, the other ends of the two first wedge dies are intersected with the second wedge die, the second wedge dies are parallel to the horizontal direction, the lower roll is provided with a lower wedge die, the lower wedge die and the upper wedge die are identical in structure and are mutually matched with the upper wedge die, two sides of the upper roll are provided with upper roll bearing blocks, the upper roll is respectively connected and fixed with a left side column and a right side substrate through the upper roll bearing blocks on two sides, two sides of the lower roll are provided with lower roll bearing blocks, the two sides that the lower roll passed through be equipped with the lower roll chock and be connected fixedly with left side base column and right side base plate respectively, last roll link to each other with last roll driving motor, lower roll and lower roll driving motor link to each other, last roll driving motor, lower roll driving motor, driving power train link to each other with control mechanism, mobile manipulator mechanism and control mechanism, and mobile manipulator mechanism and cross rolling mechanism mutually support.
Preferably, a transverse mounting plate is arranged between the left side column and the right side substrate, two ends of the transverse mounting plate are respectively connected and fixed with the left side column and the right side substrate through first mounting nuts, the positioning assembly is mounted and fixed on the transverse mounting plate through second mounting nuts, the positioning assembly comprises a first positioning assembly and a second positioning assembly, a transverse rolling working area is formed between the first positioning assembly and the second positioning assembly, and the transverse rolling working area is located between the upper roller and the lower roller.
Preferably, the transverse rolling mechanism further comprises a material receiving plate and a waste cooling liquid, the waste cooling liquid is fixedly arranged on the base seat, the waste cooling liquid is arranged below the lower roller, the material receiving plate is fixedly arranged on the base seat, and the material receiving plate is positioned in front of the waste cooling liquid and is matched with the upper roller and the lower roller.
Preferably, the mobile manipulator mechanism comprises a mobile base, a driving motor, a fixed shaft, a telescopic shaft, a rotating shaft and a gripper, wherein the fixed shaft is fixedly arranged on the mobile base, the telescopic shaft is telescopically arranged and fixedly arranged on the fixed shaft, the rotating shaft can rotate in the horizontal direction and is connected with the telescopic shaft, the rotating shaft comprises a telescopic section and a gripper connecting end, the gripper connecting end is connected with the telescopic section through a rotating hinge, the gripper is connected with the gripper connecting end, the mobile base is provided with the driving motor, the telescopic shaft, the rotating shaft and the gripper are connected with the driving motor, the driving motor is connected with the control mechanism, the lower end of the mobile base is also provided with a plurality of universal wheels, and the universal wheels are provided with braking plates.
Preferably, the feeding and conveying mechanism comprises a conveying plate and a conveying motor, the conveying plate is connected with the conveying motor, the conveying plate conveys materials to the cross rolling mechanism under the driving of the conveying motor, and the conveying motor is connected with the control mechanism.
Preferably, the power transmission system is fixedly arranged on the left side base plate, and the upper roller driving motor and the lower roller driving motor are fixedly arranged on the right side base plate.
Preferably, the angle of the acute angle formed by the intersection of the two first wedge dies is 30-45 degrees.
Preferably, the number of the second wedge dies is two or more.
The invention has the beneficial effects that: compared with the prior art, the transverse rolling device for wrench machining provided by the invention has the advantages that the upper roller and the lower roller are matched with each other, one initial bar enters the transverse rolling working area from the conveying plate for rolling, the upper wedge die and the lower wedge die are matched with each other, the initial bar is divided into two parts and rolled, the machining of the two bars can be completed at one time, the production efficiency is high, and the raw materials are saved by 10% -20%; the positioning assembly is matched with the upper roller and the lower roller to prevent the bar from radial deformation and deviation, ensure uniform stress of the bar and ensure the processing quality; the transverse rolling mechanism is matched with the mobile manipulator mechanism, so that the rolled bar falling into the receiving plate is grabbed and transported to the next processing station, the degree of automation is high, the labor force is reduced, the telescopic shaft, the rotating shaft and the grabbing hand are matched with each other, the driving motor is driven by the control mechanism to adjust the grabbing position, and the brake plate is arranged on the universal wheel at the lower end of the mobile base, so that the stability in the grabbing process is ensured; through the mutual cooperation of waste material coolant liquid and upper roller, lower roller, the high Wen Suixie that produces in the roll-in process falls into waste material coolant liquid, centralized processing avoids the potential safety hazard that splashes everywhere and brings.
The features and advantages of the present invention will be described in detail by way of example with reference to the accompanying drawings.
[ description of the drawings ]
FIG. 1 is a schematic view of a cross rolling apparatus for wrench machining according to the present invention;
FIG. 2 is a schematic side view of a positioning assembly, upper roll, lower roll of a cross rolling apparatus for wrench machining according to the present invention;
fig. 3 is a schematic structural view of a mobile manipulator mechanism of a cross rolling device for wrench machining according to the present invention.
In the figure: 1-feed transfer mechanism, 2-cross rolling mechanism, 3-base, 4-control mechanism, 5-moving robot mechanism, 11-transfer plate, 12-transfer motor, 20-positioning assembly, 21-upper roll, 22-lower roll, 23-upper roll drive motor, 24-lower roll drive motor, 25-power train, 26-receiving plate, 27-scrap coolant, 201-first positioning assembly, 202-second positioning assembly, 203-second mounting nut, 204-cross rolling work area, 211-upper roll bearing housing, 212-upper wedge, 2121-first wedge, 2122-second wedge, 221-lower roll bearing housing, 222-lower wedge, 31-base mount, 32-left side post, 33-right side base plate, 34-cross mounting plate, 341-first mounting nut, 51-moving mount, 52-drive motor, 53-stationary shaft, 54-telescoping shaft, 55-rotating shaft, 56-grip, 511-universal wheel, 5111-telescoping plate, 551-segment, 552-grip end 553, grip end, and swivel joint.
[ detailed description ] of the invention
The present invention will be further described in detail with reference to the drawings and examples, in order to make the objects, technical solutions and advantages of the present invention more apparent. It should be understood that the detailed description and specific examples, while indicating the invention, are intended for purposes of illustration only and are not intended to limit the scope of the invention. In addition, in the following description, descriptions of well-known structures and techniques are omitted so as not to unnecessarily obscure the present invention.
Referring to fig. 1, 2 and 3, the embodiment of the invention provides a cross rolling device for wrench machining, which comprises a feeding transmission mechanism 1, a cross rolling mechanism 2, a base 3, a control mechanism 4 and a mobile manipulator mechanism 5, wherein the feeding transmission mechanism 1 and the cross rolling mechanism 2 are mutually matched, the cross rolling mechanism 2 is fixedly arranged on the base 3, the base 3 comprises a base seat 31, a left base column 32 and a right base plate 33, the left base column 32 and the right base plate 33 are mutually perpendicular to the base seat 31, the left base column 32, the right base plate 33 and the base seat 31 are in an integrated structure, the left base column 32 and the right base plate 33 are respectively positioned at two sides of the cross rolling mechanism 2, the cross rolling mechanism 2 comprises a positioning assembly 20, an upper roller 21, a lower roller 22, an upper roller driving motor 23, a lower roller driving motor 24 and a power transmission system 25 for driving the upper roller 21 and the lower roller 22 to rotate at the same speed, the upper roller 21 is positioned above the lower roller 22, a positioning component 20 is arranged between the upper roller 21 and the lower roller 22, the upper roller 21, the lower roller 22 and the positioning component 20 are mutually matched, the upper roller 21 is provided with an upper wedge die 212, the upper wedge die 212 comprises two first wedge dies 2121 and a plurality of second wedge dies 2122, one ends of the two first wedge dies 2121 are intersected, the two first wedge dies 2121 form an acute angle, the other ends of the two first wedge dies 2121 are intersected with the second wedge dies 2122, the second wedge dies 2122 are parallel to the horizontal direction, the lower roller 22 is provided with a lower wedge die 222, the lower wedge die 222 and the upper wedge die 212 have the same structure, the lower wedge die 222 and the upper wedge die 212 are mutually matched, two sides of the upper roller 21 are provided with upper roller bearing seats 211, the upper roller 21 is respectively connected and fixed with the left side column 32 and the right side substrate 33 through the upper roller bearing blocks 211 on two sides, the two sides of the lower roller 22 are provided with the lower roller bearing blocks 221, the two sides of the lower roller 22 are respectively connected and fixed with the left side column 32 and the right side substrate 33 through the lower roller bearing blocks 221, the upper roller 21 is connected with the upper roller driving motor 23, the lower roller 22 is connected with the lower roller driving motor 24, the upper roller driving motor 23, the lower roller driving motor 24 and the power transmission system 25 are connected with the control mechanism 4, the mobile manipulator mechanism 5 and the control mechanism 4 are mutually matched with each other, and the mobile manipulator mechanism 5 and the transverse rolling mechanism 2. The left side post 32 and the right side base plate 33 between be equipped with horizontal mounting plate 34, the both ends of horizontal mounting plate 34 pass through first mounting nut 341 and be connected fixedly with left side post 32 and right side base plate 33 respectively, locating component 20 install fixedly on horizontal mounting plate 34 through second mounting nut 203, locating component 20 include first locating component 201 and second locating component 202, first locating component 201 and second locating component 202 between form cross rolling working area 204, cross rolling working area 204 be located between upper roll 21 and lower roll 22.
The cross rolling mechanism 2 further comprises a material receiving plate 26 and a waste cooling liquid 27, the waste cooling liquid 27 is fixedly arranged on a base seat 31, the waste cooling liquid 27 is arranged below the lower roller 22, the material receiving plate 26 is fixedly arranged on the base seat 31, the material receiving plate 26 is positioned in front of the waste cooling liquid 27, and the material receiving plate 26 is mutually matched with the upper roller 21 and the lower roller 22. The mobile manipulator mechanism 5 comprises a mobile base 51, a driving motor 52, a fixed shaft 53, a telescopic shaft 54, a rotating shaft 55 and a grabbing hand 56, wherein the fixed shaft 53 is fixedly arranged on the mobile base 51, the telescopic shaft 54 is telescopically arranged on the fixed shaft 53, the rotating shaft 55 can rotate in the horizontal direction and is connected with the telescopic shaft 54, the rotating shaft 55 comprises a telescopic section 551 and a grabbing hand connecting end 552, the grabbing hand connecting end 552 is connected with the telescopic section 551 through a rotating hinge 553, the grabbing hand 56 is connected with the grabbing hand connecting end 552, the driving motor 52 is arranged on the mobile base 51, the telescopic shaft 54, the rotating shaft 55 and the grabbing hand 56 are connected with the driving motor 52, the driving motor 52 is connected with the control mechanism 4, the lower end of the mobile base 51 is further provided with a plurality of universal wheels 511, and the universal wheels 511 are provided with brake plates 5111. The feeding and conveying mechanism 1 comprises a conveying plate 11 and a conveying motor 12, the conveying plate 11 is connected with the conveying motor 12, the conveying plate 11 conveys materials to the transverse rolling mechanism 2 under the driving of the conveying motor 12, and the conveying motor 12 is connected with the control mechanism 4. The power transmission system 25 is fixedly arranged on the left side column 32, and the upper roller driving motor 23 and the lower roller driving motor 24 are fixedly arranged on the right side base plate 33. The angle of the acute angle formed by the intersection of the two first wedge dies 2121 is 30 ° to 45 °. The number of the second wedge mold 2122 is two or more.
The working process of the invention comprises the following steps:
in the working process of the cross rolling device for wrench machining, an initial bar is conveyed into a cross rolling working area 204 by a conveying plate 11 under the drive of a conveying motor 12, an upper roller 21 and a lower roller 22 are mutually matched, rotate in the same direction and at the same speed, an upper wedge die 212 and a lower wedge die 222 are mutually matched, the initial bar is rolled and split into two parts through the acute angle joint of two first wedge dies 2121, and is continuously rolled and formed through the first wedge dies 2121, after the bar is rolled through a second wedge die 2122, the bar rolls out of the cross rolling working area 204 under the action of centrifugal force and falls into a receiving plate 26, and a movable manipulator mechanism 5 is driven by a control mechanism 4 to grasp the rolled bar through a gripper 56 and convey the bar to a next machining station.
The invention can finish the processing of two bars at one time, has high production efficiency, saves 10-20% of raw materials, and the positioning assembly 20 is matched with the upper roller 21 and the lower roller 22 to prevent the bars from radial deformation and deviation, ensure uniform stress of the bars, ensure the processing quality, ensure the high Wen Suixie generated in the rolling process to fall into the waste cooling liquid 27 below the lower roller 22 for centralized treatment, and avoid the potential safety hazard caused by splashing around.
The foregoing description of the preferred embodiments of the invention is not intended to be limiting, but rather is intended to cover all modifications, equivalents, or alternatives falling within the spirit and principles of the invention.
Claims (6)
1. A cross rolling device for spanner processing, its characterized in that: including feeding transport mechanism (1), cross rolling mechanism (2), base (3), control mechanism (4) and mobile manipulator mechanism (5), feeding transport mechanism (1) and cross rolling mechanism (2) mutually support, cross rolling mechanism (2) install and fix on base (3), base (3) include base (31), left side post (32) and right side base (33) and base (31) mutually perpendicular, left side post (32), right side base (33), base (31) as an organic whole structure, left side post (32) and right side base (33) be located the both sides of cross rolling mechanism (2) respectively, cross rolling mechanism (2) include locating component (20), upper roller (21), lower roller (22), upper driving motor (23), lower roller driving motor (24) and be used for driving upper roller (21) and lower roller (22) with the power transmission system with the same speed rotation, upper roller (21) and lower roller (22) are located the both sides of upper roller (21), upper roller (21) and lower roller (22) are located between upper roller (21) and upper roller (22) The lower roller (22) is matched with the positioning assembly (20), the upper roller (21) is provided with an upper wedge die (212), the upper wedge die (212) comprises two first wedge dies (2121) and a plurality of second wedge dies (2122), one ends of the two first wedge dies (2121) are intersected and the two first wedge dies (2121) form an acute angle, the other ends of the two first wedge dies (2121) are intersected with a second wedge die (2122), the second wedge dies (2122) are parallel to the horizontal direction, the lower roller (22) is provided with a lower wedge die (222), the lower wedge die (222) is identical to the upper wedge die (212) in structure, the lower wedge die (222) is matched with the upper wedge die (212), two sides of the upper roller (21) are provided with upper bearing blocks (211), the upper roller (21) are respectively connected with a left side base (32) and a right side base (32) through the upper bearing blocks (211) on the two sides, the lower roller (21) are respectively connected with the lower bearing blocks (23) on the two sides of the lower roller (22) through the upper bearing blocks (21) which are fixedly connected with the left roller bearing blocks (23) on the two sides of the lower roller (22), the lower roller (22) is connected with a lower roller driving motor (24), the upper roller driving motor (23), the lower roller driving motor (24) and a power transmission system (25) are connected with a control mechanism (4), the mobile manipulator mechanism (5) is matched with the control mechanism (4), and the mobile manipulator mechanism (5) is matched with the cross rolling mechanism (2); a transverse mounting plate (34) is arranged between the left side base column (32) and the right side base plate (33), two ends of the transverse mounting plate (34) are respectively connected and fixed with the left side base column (32) and the right side base plate (33) through first mounting nuts (341), the positioning assembly (20) is mounted and fixed on the transverse mounting plate (34) through second mounting nuts (203), the positioning assembly (20) comprises a first positioning assembly (201) and a second positioning assembly (202), a transverse rolling working area (204) is formed between the first positioning assembly (201) and the second positioning assembly (202), and the transverse rolling working area (204) is positioned between an upper roller (21) and a lower roller (22); the transverse rolling mechanism (2) further comprises a material receiving plate (26) and a waste cooling liquid (27), the waste cooling liquid (27) is installed and fixed on the base (31), the waste cooling liquid (27) is arranged below the lower roller (22), the material receiving plate (26) is installed and fixed on the base (31), and the material receiving plate (26) is located in front of the waste cooling liquid (27) and is matched with the upper roller (21) and the lower roller (22).
2. A cross rolling apparatus for wrench machining as claimed in claim 1, wherein: the utility model provides a mobile manipulator mechanism (5) including removing base (51), driving motor (52), fixed axle (53), telescopic shaft (54), axis of rotation (55) and tongs (56), fixed axle (53) install and fix on removing base (51), telescopic shaft (54) telescopic installation fix on fixed axle (53), axis of rotation (55) rotatable with telescopic shaft (54) link to each other, axis of rotation (55) include flexible section (551) and tongs link (552), tongs link to each other with flexible section (551) through swivel hinge (553), tongs (56) link to each other with tongs link (552), remove base (51) on be equipped with driving motor (52), telescopic shaft (54), axis of rotation (55) and tongs (56) link to each other with driving motor (52), driving motor (52) link to each other with control mechanism (4), remove base (51) lower extreme (511) be equipped with universal wheel (511) still, universal wheel (511) are equipped with.
3. A cross rolling apparatus for wrench machining as claimed in claim 1, wherein: the feeding transmission mechanism (1) comprises a transmission plate (11) and a transmission motor (12), the transmission plate (11) is connected with the transmission motor (12), the transmission plate (11) is used for transmitting materials to the cross rolling mechanism (2) under the driving of the transmission motor (12), and the transmission motor (12) is connected with the control mechanism (4).
4. A cross rolling apparatus for wrench machining as claimed in claim 1, wherein: the power transmission system (25) is fixedly arranged on the left side base column (32), and the upper roller driving motor (23) and the lower roller driving motor (24) are fixedly arranged on the right side base column (33).
5. A cross rolling apparatus for wrench machining as claimed in claim 1, wherein: the angle of an acute angle formed by the intersection of the two first wedge dies (2121) is 30-45 degrees.
6. A cross rolling apparatus for wrench machining as claimed in claim 1, wherein: the number of the second wedge dies (2122) is two or more.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810244401.XA CN108213292B (en) | 2018-03-23 | 2018-03-23 | Transverse rolling device for wrench machining |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810244401.XA CN108213292B (en) | 2018-03-23 | 2018-03-23 | Transverse rolling device for wrench machining |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108213292A CN108213292A (en) | 2018-06-29 |
| CN108213292B true CN108213292B (en) | 2023-07-25 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810244401.XA Active CN108213292B (en) | 2018-03-23 | 2018-03-23 | Transverse rolling device for wrench machining |
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| Country | Link |
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| CN (1) | CN108213292B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113426832A (en) * | 2021-04-26 | 2021-09-24 | 上海长特锻造有限公司 | Production equipment and production process of tie rod joint |
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|---|---|---|---|---|
| CN1205258A (en) * | 1997-07-11 | 1999-01-20 | 郑镇模 | Apparatus for manufacturing rotary blade for use in agricultural machines |
| US5904642A (en) * | 1995-06-16 | 1999-05-18 | Eduard Kusters Maschinenfabrik Gmbh & Co. Kg. | Roller with controllable sag |
| CN101020282A (en) * | 2006-12-06 | 2007-08-22 | 贵州安大航空锻造有限责任公司 | Roll forming method of large and medium hollow disc-shaped forge piece |
| CN101722187A (en) * | 2009-11-10 | 2010-06-09 | 天津钢铁集团有限公司 | Process for producing spool large-coil threaded steel |
| CN102125972A (en) * | 2010-12-10 | 2011-07-20 | 贵州安大航空锻造有限责任公司 | Method for rolling and shaping structural steel high cylindrical ring forged piece |
| EP3141335A1 (en) * | 2015-09-08 | 2017-03-15 | Deutsche Edelstahlwerke GmbH | Method for producing a component having a core section made of steel |
-
2018
- 2018-03-23 CN CN201810244401.XA patent/CN108213292B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5904642A (en) * | 1995-06-16 | 1999-05-18 | Eduard Kusters Maschinenfabrik Gmbh & Co. Kg. | Roller with controllable sag |
| CN1205258A (en) * | 1997-07-11 | 1999-01-20 | 郑镇模 | Apparatus for manufacturing rotary blade for use in agricultural machines |
| CN101020282A (en) * | 2006-12-06 | 2007-08-22 | 贵州安大航空锻造有限责任公司 | Roll forming method of large and medium hollow disc-shaped forge piece |
| CN101722187A (en) * | 2009-11-10 | 2010-06-09 | 天津钢铁集团有限公司 | Process for producing spool large-coil threaded steel |
| CN102125972A (en) * | 2010-12-10 | 2011-07-20 | 贵州安大航空锻造有限责任公司 | Method for rolling and shaping structural steel high cylindrical ring forged piece |
| EP3141335A1 (en) * | 2015-09-08 | 2017-03-15 | Deutsche Edelstahlwerke GmbH | Method for producing a component having a core section made of steel |
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| CN108213292A (en) | 2018-06-29 |
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