CN114226466A - Special working roll roller loading device - Google Patents
Special working roll roller loading device Download PDFInfo
- Publication number
- CN114226466A CN114226466A CN202111341839.8A CN202111341839A CN114226466A CN 114226466 A CN114226466 A CN 114226466A CN 202111341839 A CN202111341839 A CN 202111341839A CN 114226466 A CN114226466 A CN 114226466A
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- China
- Prior art keywords
- transverse moving
- top surface
- longitudinal moving
- cart
- moving cart
- 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.)
- Pending
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- 238000005086 pumping Methods 0.000 claims description 25
- 230000000694 effects Effects 0.000 claims description 6
- 230000000149 penetrating effect Effects 0.000 claims description 2
- 239000003921 oil Substances 0.000 description 20
- 239000010731 rolling oil Substances 0.000 description 9
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 7
- 229910052782 aluminium Inorganic materials 0.000 description 7
- 238000000034 method Methods 0.000 description 7
- 239000011888 foil Substances 0.000 description 6
- 238000005096 rolling process Methods 0.000 description 6
- 238000004519 manufacturing process Methods 0.000 description 4
- 238000004140 cleaning Methods 0.000 description 3
- 241001669679 Eleotris Species 0.000 description 2
- 230000008878 coupling Effects 0.000 description 2
- 238000010168 coupling process Methods 0.000 description 2
- 238000005859 coupling reaction Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 239000000284 extract Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000004806 packaging method and process Methods 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000007670 refining Methods 0.000 description 1
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21B—ROLLING OF METAL
- B21B31/00—Rolling stand structures; Mounting, adjusting, or interchanging rolls, roll mountings, or stand frames
- B21B31/08—Interchanging rolls, roll mountings, or stand frames, e.g. using C-hooks; Replacing roll chocks on roll shafts
- B21B31/14—Interchanging rolls, roll mountings, or stand frames, e.g. using C-hooks; Replacing roll chocks on roll shafts by pivotally displacing
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B15/00—Preventing escape of dirt or fumes from the area where they are produced; Collecting or removing dirt or fumes from that area
- B08B15/04—Preventing escape of dirt or fumes from the area where they are produced; Collecting or removing dirt or fumes from that area from a small area, e.g. a tool
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Bearings For Parts Moving Linearly (AREA)
Abstract
The invention relates to a special working roll loading device which comprises a working roll platform, a transverse moving cart and a longitudinal moving cart, wherein the transverse moving cart is movably arranged on the top surface of the working roll platform, the longitudinal moving cart is movably erected above the transverse moving cart, transverse moving guide rails are welded on the front side edge and the rear side edge of the top surface of the working roll platform, transverse moving electric wheels are rotatably connected on the bottom surface of the transverse moving cart, and longitudinal moving guide rails are welded on the left side edge and the right side edge of the top surface of the transverse moving cart. The servo motor is operated to rotate the output shaft, so that the dismounting head drives the bearing seat to automatically rotate, the fast dismounting work of the bearing seat is realized, the structure is simple, the automation is strong, the dismounting is convenient and fast, the manual labor intensity is reduced, the working efficiency is effectively improved, the stepping motor can drive the rotary lead screw to rotate by operation, the movable top plate is driven to move up and down, the working height of the dismounting head is adjusted randomly according to the mounting height of the bearing seat, the adjusting precision is high, and the flexibility is strong.
Description
Technical Field
The invention relates to the technical field of roller loading of working rollers of rolling mills, in particular to a special working roller loading device.
Background
The aluminum foil is used as an industrial manufacturing raw and auxiliary material, and the product is mainly applied to packaging protection, articles for daily use, buildings and the like. In the production process of the aluminum foil, an aluminum foil rolling mill is required to be used for rolling, the aluminum foil rolling mill is a set of mechanical equipment in the aluminum industry, and is mainly used for rolling, processing and refining the aluminum foil, the rolling mill mainly comprises a supporting roll and a working roll, and in the production process of the aluminum foil, a bearing seat of the working roll needs to be frequently and repeatedly disassembled and assembled according to the actual production condition.
The existing working roller bearing seat dismounting mode is mostly manually adopted for crane lifting dismounting, assembling is carried out after crane lifting, the company adopts manual crane lifting to dismount on a sleeper, time and labor are wasted, labor intensity is high, efficiency is low, in addition, rolling oil is easily leaked out from a bearing seat in the existing working roller bearing seat dismounting process, and the rolling oil drips to a working ground, so that pollution is caused, the cleaning is inconvenient, and the practicability is remained to be further improved.
Disclosure of Invention
Aiming at the defects in the prior art, the invention aims to provide a special working roll loading device, which solves the problems that the existing working roll bearing seat dismounting mode mostly adopts a crane to hoist and dismount manually, and the assembly is carried out after the crane is hoisted, the dismounting is carried out on a sleeper by adopting a manual crane, the time and the labor are wasted, the labor intensity is high, the efficiency is low, in addition, the rolling oil is easy to leak out from a bearing seat in the existing working roll bearing seat dismounting process and drops to the working ground, the pollution is caused, the cleaning is inconvenient, and the practicability needs to be further improved.
The above object of the present invention is achieved by the following technical solutions:
a special working roll roller loading device comprises a working roll platform, a transverse moving cart and a longitudinal moving cart, wherein the transverse moving cart is movably arranged on the top surface of the working roll platform, the longitudinal moving cart is movably erected above the transverse moving cart, transverse moving guide rails are welded on the front side and the rear side of the top surface of the working roll platform, the bottom surface of the transverse moving cart is rotatably connected with transverse moving electric wheels, longitudinal moving guide rails are welded on the left side and the right side of the top surface of the transverse moving cart, the bottom surface of the longitudinal moving cart is rotatably connected with longitudinal moving electric wheels, a stepping motor is embedded in the center of the top surface of the longitudinal moving cart, a hydraulic column is fixedly arranged on the edge of the top surface of the longitudinal moving cart, a movable top plate is arranged on the top surface of the hydraulic column, a servo motor is fixedly arranged at the rear end of the top surface of the movable top plate, and an oil pumping pool is embedded in the front end of the telephone of the movable top plate, and a submersible pump is fixedly arranged in the oil pumping pool.
The present invention in a preferred example may be further configured to: the rear end face center position of the servo motor is rotatably inserted with an output shaft, one end of the output shaft, which is far away from the servo motor, is fixedly provided with a dismounting head, and the dismounting head and the servo motor are positioned on the same axis.
The present invention in a preferred example may be further configured to: the center of the top surface of the stepping motor is rotatably inserted with a rotary lead screw, the rotary lead screw is movably inserted in the center of the movable top plate, and an internal thread is arranged on the inner wall of the joint of the movable top plate and the rotary lead screw.
The present invention in a preferred example may be further configured to: four hydraulic columns are arranged and distributed on the edge of the top surface of the longitudinal moving trolley in a rectangular array mode, and the movable top plate is fixedly connected with the longitudinal moving trolley through the hydraulic columns.
The present invention in a preferred example may be further configured to: the sideslip guide rail is provided with two, two liang activity of sideslip electronic round are inlayed in the sideslip guide rail, and the sideslip cart passes through electronic round of sideslip and working roll platform sliding connection.
The present invention in a preferred example may be further configured to: the longitudinal moving guide rails are provided with two longitudinal moving electric wheels, every two longitudinal moving electric wheels are movably embedded in the longitudinal moving guide rails, and the longitudinal moving trolley is connected with the transverse moving cart in a sliding mode through the longitudinal moving electric wheels.
The present invention in a preferred example may be further configured to: the submersible pump is located in the center of the interior of the oil pumping pool, and the top end of the submersible pump is connected with an oil pumping pipe in a penetrating mode.
In summary, the invention includes at least one of the following beneficial technical effects:
1. in the using process, the servo motor and the dismounting head are arranged, the dismounting head is connected to the bearing seat to be dismounted or mounted, the servo motor is started, the servo motor operates to enable the output shaft to rotate, and the dismounting head drives the bearing seat to automatically rotate, so that the bearing seat is quickly dismounted and mounted.
2. In the using process of the invention, the stepping motor and the rotary screw rod are arranged, the stepping motor can drive the rotary screw rod to rotate by operating, so that the rotary screw rod rotates along the internal thread of the movable top plate to drive the movable top plate to move up and down, the working height of the dismounting head can be adjusted freely according to the mounting height of the bearing seat, the adjusting precision is high, the flexibility is strong, and the using range is effectively improved.
3. In the using process, the transverse moving cart and the transverse moving electric wheels are arranged, the transverse moving electric wheels can drive the transverse moving cart to transversely move along the transverse moving guide rail of the working roller platform, and the dismounting head is driven to adjust any transverse position according to the mounting position of the bearing seat, so that the structure is simple, and the flexibility is strong.
4. In the using process, the longitudinal moving trolley and the longitudinal moving electric wheel are arranged, the longitudinal moving electric wheel operates to drive the longitudinal moving trolley to longitudinally move along the longitudinal moving guide rail of the transverse moving cart, and the dismounting head is driven to adjust any longitudinal position according to the mounting position of the bearing seat, so that the structure is simple, and the flexibility is strong.
5. In the using process, the oil pumping pool and the submersible pump are arranged, the dismounting head is used for dismounting the bearing seat, the oil pumping pipe is connected with the hose and aims at the hose to the bearing seat, the submersible pump is started, the submersible pump generates suction force to pump the rolling oil leaked in the bearing seat into the oil pumping pool through the hose and the oil pumping pipe, the rolling oil is prevented from dropping to the ground to cause pollution, the cleaning is convenient and rapid, and the practicability is effectively improved.
Drawings
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a left side view schematic diagram of the longitudinal shift trolley of the present invention;
FIG. 3 is a schematic view of the connection structure of the working roll platform and the traverse cart according to the present invention;
FIG. 4 is a schematic diagram of the structure of the pumping well of the present invention.
Reference numerals: 1. a work roll platform; 2. transversely moving the cart; 3. longitudinally moving the trolley; 4. transversely moving the guide rail; 5. transversely moving the electric wheels; 6. longitudinally moving the guide rail; 7. longitudinally moving the electric wheel; 8. a stepping motor; 801. rotating the lead screw; 9. a hydraulic column; 10. a movable top plate; 11. a servo motor; 1101. an output shaft; 1102. disassembling the head; 12. an oil pumping pool; 13. a submersible pump; 1301. and (4) an oil pumping pipe.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
Referring to fig. 1, 2, 3 and 4, the present invention provides the following technical solutions: a special working roll roller loading device comprises a working roll platform 1, a transverse moving cart 2 and a longitudinal moving cart 3, wherein the transverse moving cart 2 is movably arranged on the top surface of the working roll platform 1, the longitudinal moving cart 3 is movably erected above the transverse moving cart 2, transverse moving guide rails 4 are welded on the front and back side edges of the top surface of the working roll platform 1, a transverse moving electric wheel 5 is rotatably connected on the bottom surface of the transverse moving cart 2, longitudinal moving guide rails 6 are welded on the left and right side edges of the top surface of the transverse moving cart 2, a longitudinal moving electric wheel 7 is rotatably connected on the bottom surface of the longitudinal moving cart 3, a stepping motor 8 is embedded in the center position of the top surface of the longitudinal moving cart 3, a hydraulic column 9 is fixedly arranged on the edge of the top surface of the longitudinal moving cart 3, a movable top plate 10 is arranged on the top surface of the hydraulic column 9, a servo motor 11 is fixedly arranged at the rear end position of the top surface of the movable top plate 10, and an oil pumping pool 12 is arranged at the front end position of the movable top plate 10, a submersible pump 13 is fixedly arranged in the oil pumping pool 12.
Referring to fig. 1 and fig. 3, specifically, an output shaft 1101 is rotatably inserted into a central position of a rear end face of the servo motor 11, a mounting and dismounting head 1102 is fixedly mounted at one end of the output shaft 1101 far away from the servo motor 11, and the mounting and dismounting head 1102 and the servo motor 11 are located on the same axis; a rotary screw rod 801 is rotatably inserted in the center of the top surface of the stepping motor 8, the rotary screw rod 801 is movably inserted in the center of the movable top plate 10, and an internal thread is arranged on the inner wall of the joint of the movable top plate 10 and the rotary screw rod 801; four hydraulic columns 9 are arranged, and the four hydraulic columns 9 are distributed on the top surface edge of the longitudinal moving trolley 3 in a rectangular array manner, the movable top plate 10 is fixedly connected with the longitudinal moving trolley 3 through the hydraulic columns 9, in the embodiment, the dismounting head 1102 is sleeved on a bearing seat to be dismounted or mounted, the servo motor 11 is started, the servo motor 11 is operated to rotate the output shaft 1101, so that the dismounting head 1102 drives the bearing seat to automatically rotate, the quick dismounting and mounting work of the bearing seat is realized, the structure is simple, the automation is strong, the dismounting and mounting are convenient and quick, the labor intensity is reduced, the working efficiency is effectively improved, the stepping motor 8 is operated to drive the rotary lead screw 801 to rotate, so that the rotary lead screw 801 rotates along the internal thread of the movable top plate 10, the movable top plate 10 is driven to move up and down, the working height of the dismounting head 1102 is arbitrarily adjusted according to the mounting height of the bearing seat, the adjustment precision is high, the flexibility is strong, and the application range is effectively improved.
Referring to fig. 1 and 2, specifically, two traverse guide rails 4 are provided, two traverse electric wheels 5 are movably embedded in the traverse guide rails 4, and the traverse cart 2 is slidably connected with the working roll platform 1 through the traverse electric wheels 5; indulge and move guide rail 6 and be provided with two, indulge and move two liang of activities of electronic round of 7 and inlay in indulging and move guide rail 6, and indulge and move dolly 3 through indulging and move electronic round of 7 and sideslip cart 2 sliding connection, in this embodiment, the electronic round of 5 functions of sideslip can drive sideslip cart 2 and carry out lateral shifting along sideslip guide rail 4 of working roll platform 1, and then drive dismouting head 1102 according to the mounted position of bearing frame and carry out the adjustment of arbitrary lateral position, moreover, the steam generator is simple in structure, and the flexibility is strong, indulge and move electronic round of 7 functions and can drive indulging and move dolly 3 and carry out longitudinal movement along the indulging of sideslip cart 2 and move guide rail 6, and then drive dismouting head 1102 according to the mounted position of bearing frame and carry out the adjustment of arbitrary longitudinal position, moreover, the steam generator is simple in structure, and the flexibility is strong.
Referring to fig. 1 and 4, specifically, immersible pump 13 is located the inside central point of oil pumping pond 12 and puts, and immersible pump 13's top through connection has oil pumping pipe 1301, in this embodiment, when dismouting head 1102 carries out the dismouting to the bearing frame, can be with oil pumping pipe 1301 coupling hose, and aim at the bearing frame with the hose, start immersible pump 13, immersible pump 13 produces the suction and extracts the rolling oil of bearing frame internal leakage to oil pumping pond 12 in through hose and oil pumping pipe 1301, avoid rolling oil to drip to ground and cause the pollution, clearance convenient and fast, the practicality is effectively promoted.
The invention has the following use flow and working principle: when the invention is used, firstly, the dismounting head 1102 is sleeved on a bearing seat to be dismounted or mounted, the servo motor 11 is started, the servo motor 11 is operated to rotate the output shaft 1101, and then the dismounting head 1102 drives the bearing seat to automatically rotate, so as to realize the quick dismounting work of the bearing seat, the structure is simple, the automation is strong, the dismounting is convenient and quick, the labor intensity is reduced, the working efficiency is effectively improved, the stepping motor 8 is operated to drive the rotating lead screw 801 to rotate, and further the rotating lead screw 801 rotates along the internal thread of the movable top plate 10, the movable top plate 10 is driven to move up and down, the working height of the dismounting head 1102 is adjusted arbitrarily according to the mounting height of the bearing seat, the adjusting precision is high, the flexibility is strong, the use range is effectively improved, the electric traverse wheel 5 is operated to drive the traverse cart 2 to move transversely along the traverse guide rail 4 of the working roller platform 1, and further the dismounting head is driven to adjust the arbitrary transverse position according to the mounting position of the bearing seat, simple structure, the flexibility is strong, indulge move electronic round 7 function can drive indulge move dolly 3 and carry out longitudinal movement along the indulging of sideslip cart 2 and move guide rail 6, and then drive dismouting head 1102 according to the mounted position of bearing frame and carry out the adjustment of arbitrary longitudinal position, moreover, the steam generator is simple in structure, the flexibility is strong, when dismouting head 1102 carries out the dismouting to the bearing frame, can be with oil pumping pipe 1301 coupling hose, and aim at the bearing frame with the hose, start immersible pump 13, immersible pump 13 produces suction and passes through the hose with the rolling oil of bearing frame internal leakage and draw to oil pumping pond 12 in with oil pumping pipe 1301, it causes the pollution to avoid rolling oil to drip to ground, clearance convenient and fast, the practicality is effectively promoted.
The embodiments of the present invention are preferred embodiments of the present invention, and the scope of the present invention is not limited by these embodiments, so: all equivalent changes made according to the structure, shape and principle of the invention are covered by the protection scope of the invention.
Claims (7)
1. The utility model provides a special working roll dress roller device, includes working roll platform (1), sideslip cart (2) and indulges and move dolly (3), its characterized in that: the transverse moving cart (2) is movably arranged on the top surface of the working roll platform (1), the longitudinal moving cart (3) is movably erected above the transverse moving cart (2), transverse moving guide rails (4) are welded at the front and rear side edges of the top surface of the working roll platform (1), the bottom surface of the transverse moving cart (2) is rotatably connected with transverse moving electric wheels (5), longitudinal moving guide rails (6) are welded at the left and right side edges of the top surface of the transverse moving cart (2), the bottom surface of the longitudinal moving cart (3) is rotatably connected with longitudinal moving electric wheels (7), a stepping motor (8) is embedded in the center position of the top surface of the longitudinal moving cart (3), a hydraulic column (9) is fixedly arranged at the edge position of the top surface of the longitudinal moving cart (3), a movable top plate (10) is arranged on the top surface of the hydraulic column (9), and a servo motor (11) is fixedly arranged at the rear end position of the top surface of the movable top plate (10), and an oil pumping pool (12) is embedded at the front end of the telephone of the movable top plate (10), and a submersible pump (13) is fixedly installed in the oil pumping pool (12).
2. The special work roll loading device of claim 1, wherein: the rear end face center position of servo motor (11) rotates and has inserted output shaft (1101), the one end fixed mounting that servo motor (11) was kept away from to output shaft (1101) has dismouting head (1102), dismouting head (1102) and servo motor (11) are in same axle center.
3. The special work roll loading device of claim 1, wherein: the top surface center position of step motor (8) rotates and alternates rotatory lead screw (801), rotatory lead screw (801) activity alternates in the central point of activity roof (10) and puts, the activity roof (10) is provided with the internal thread with rotatory lead screw (801) junction inner wall.
4. The special work roll loading device of claim 3, wherein: the four hydraulic columns (9) are arranged, the four hydraulic columns (9) are distributed on the edge of the top surface of the longitudinal moving trolley (3) in a rectangular array mode, and the movable top plate (10) is fixedly connected with the longitudinal moving trolley (3) through the hydraulic columns (9).
5. The special work roll loading device of claim 1, wherein: the two transverse moving guide rails (4) are arranged, two transverse moving electric wheels (5) are movably embedded in the transverse moving guide rails (4), and the transverse moving cart (2) is connected with the working roller platform (1) in a sliding mode through the transverse moving electric wheels (5).
6. The special work roll loading device of claim 5, wherein: the two longitudinal moving guide rails (6) are arranged, every two longitudinal moving electric wheels (7) are movably embedded in the longitudinal moving guide rails (6), and the longitudinal moving trolley (3) is connected with the transverse moving cart (2) in a sliding mode through the longitudinal moving electric wheels (7).
7. The special work roll loading device of claim 1, wherein: the submersible pump (13) is located in the center of the interior of the oil pumping pool (12), and the top end of the submersible pump (13) is connected with an oil pumping pipe (1301) in a penetrating mode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111341839.8A CN114226466A (en) | 2021-11-12 | 2021-11-12 | Special working roll roller loading device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111341839.8A CN114226466A (en) | 2021-11-12 | 2021-11-12 | Special working roll roller loading device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN114226466A true CN114226466A (en) | 2022-03-25 |
Family
ID=80749512
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111341839.8A Pending CN114226466A (en) | 2021-11-12 | 2021-11-12 | Special working roll roller loading device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114226466A (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1140638A (en) * | 1995-07-06 | 1997-01-22 | 摩根建造公司 | Roll stand with separable roll parting adjustment module |
| US6250120B1 (en) * | 2000-06-27 | 2001-06-26 | Morgan Construction Company | Apparatus for rotatably supporting the neck of a roll in a rolling mill |
| CN102921737A (en) * | 2012-11-26 | 2013-02-13 | 青岛润丰铝箔有限公司 | Disassembly and assembly equipment for bearing box of working roll of aluminum foil mill |
| CN202963035U (en) * | 2012-10-22 | 2013-06-05 | 宁波宝新不锈钢有限公司 | Quick disassembling and assembling tool for intermediate roll shift mechanism of stainless steel cold rolling mill |
| CN203972473U (en) * | 2014-08-07 | 2014-12-03 | 华西铝业有限责任公司 | Cold-rolling mill roll assembling device |
| CN104858239A (en) * | 2015-05-20 | 2015-08-26 | 中国重型机械研究院股份公司 | Rapid roll changing device and method for multi-roll mill |
| CN109807182A (en) * | 2019-03-28 | 2019-05-28 | 山东剑桥新型材料有限公司 | A kind of Multifunctional roll Assembling bogie |
| CN111618100A (en) * | 2020-06-04 | 2020-09-04 | 马鞍山市银鼎机械制造有限公司 | Roller positioning and adjusting mechanism |
-
2021
- 2021-11-12 CN CN202111341839.8A patent/CN114226466A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1140638A (en) * | 1995-07-06 | 1997-01-22 | 摩根建造公司 | Roll stand with separable roll parting adjustment module |
| US6250120B1 (en) * | 2000-06-27 | 2001-06-26 | Morgan Construction Company | Apparatus for rotatably supporting the neck of a roll in a rolling mill |
| CN202963035U (en) * | 2012-10-22 | 2013-06-05 | 宁波宝新不锈钢有限公司 | Quick disassembling and assembling tool for intermediate roll shift mechanism of stainless steel cold rolling mill |
| CN102921737A (en) * | 2012-11-26 | 2013-02-13 | 青岛润丰铝箔有限公司 | Disassembly and assembly equipment for bearing box of working roll of aluminum foil mill |
| CN203972473U (en) * | 2014-08-07 | 2014-12-03 | 华西铝业有限责任公司 | Cold-rolling mill roll assembling device |
| CN104858239A (en) * | 2015-05-20 | 2015-08-26 | 中国重型机械研究院股份公司 | Rapid roll changing device and method for multi-roll mill |
| CN109807182A (en) * | 2019-03-28 | 2019-05-28 | 山东剑桥新型材料有限公司 | A kind of Multifunctional roll Assembling bogie |
| CN111618100A (en) * | 2020-06-04 | 2020-09-04 | 马鞍山市银鼎机械制造有限公司 | Roller positioning and adjusting mechanism |
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