CN109454124B - Vertical wrapper - Google Patents
Vertical wrapper Download PDFInfo
- Publication number
- CN109454124B CN109454124B CN201811515880.0A CN201811515880A CN109454124B CN 109454124 B CN109454124 B CN 109454124B CN 201811515880 A CN201811515880 A CN 201811515880A CN 109454124 B CN109454124 B CN 109454124B
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- China
- Prior art keywords
- swing frame
- swing
- rotating roller
- rotating shaft
- roller
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- 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.)
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- 238000003466 welding Methods 0.000 claims description 10
- 229910000831 Steel Inorganic materials 0.000 description 5
- 239000010959 steel Substances 0.000 description 5
- 238000005096 rolling process Methods 0.000 description 3
- 238000009434 installation Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000002040 relaxant effect Effects 0.000 description 1
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21C—MANUFACTURE OF METAL SHEETS, WIRE, RODS, TUBES OR PROFILES, OTHERWISE THAN BY ROLLING; AUXILIARY OPERATIONS USED IN CONNECTION WITH METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL
- B21C47/00—Winding-up, coiling or winding-off metal wire, metal band or other flexible metal material characterised by features relevant to metal processing only
- B21C47/02—Winding-up or coiling
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Accommodation For Nursing Or Treatment Tables (AREA)
- Crushing And Grinding (AREA)
- Winding, Rewinding, Material Storage Devices (AREA)
Abstract
The invention provides a vertical wrapper, comprising: a rotating shaft, a first driving mechanism and a swing frame; the first driving mechanism is connected with the rotating shaft, and the swing frame is installed on the rotating shaft. The first driving mechanism comprises a first oil hydraulic cylinder and a swing arm; the extension shaft of the first oil hydraulic cylinder is provided with a first oil cylinder joint, the lower end of the swing arm is connected with the first oil cylinder joint, and the upper end of the swing arm is sleeved on the rotating shaft. The swing frame comprises an upper swing frame and a lower swing frame, the upper end of the upper swing frame is mounted on the rotating shaft, the lower end of the upper swing frame is hinged with the lower swing frame, a first sliding groove is formed in the side wall of the upper swing frame, two sliding rails are arranged on the side wall of the upper swing frame, and the first sliding groove is located between the two sliding rails; the inside of going up the swing span is equipped with first last rotation roller, and the first spout is stretched out to the tip of first last rotation roller, and the end connection of first last rotation roller has second actuating mechanism. The vertical type wrapper has the advantages of simple structure, small occupied space and high applicability.
Description
Technical Field
The invention relates to the technical field of steel strip production equipment, in particular to a vertical type wrapper.
Background
Most of the existing wrapper machines are horizontal structures, the structures are complex, the wrapper machines need to be installed on the ground, and the occupied area is large. In addition, the position of the rotating roller of the existing horizontal wrapper is difficult to adjust, a steel belt with a specific shape and a specific structure can be generally rolled, the phenomenon of steel belt dislocation is easy to occur during rolling, and certain limitation exists in use.
Disclosure of Invention
The invention provides a vertical type wrapper which has a simple structure, small occupied space and high applicability and effectively improves the working benefit.
The technical scheme adopted by the invention is as follows: a vertical wrapper, comprising: a rotating shaft, a first driving mechanism and a swing frame; the first driving mechanism is connected with the rotating shaft, and the swinging frame is installed on the rotating shaft;
the first driving mechanism comprises a first oil hydraulic cylinder and a swing arm; a first oil cylinder joint is mounted on an extension shaft of the first oil hydraulic cylinder, the lower end of the swing arm is connected with the first oil cylinder joint, and the upper end of the swing arm is sleeved on the rotating shaft;
the swing frame comprises an upper swing frame and a lower swing frame, the upper end of the upper swing frame is mounted on the rotating shaft, the lower end of the upper swing frame is hinged with the lower swing frame, and an opening is formed between the free end of the upper swing frame and the free end of the lower swing frame; a first sliding groove is formed in the side wall of the upper swing frame, two sliding rails are arranged on the side wall of the upper swing frame, and the first sliding groove is located between the two sliding rails; a first upper rotating roller is arranged in the upper swing frame, the end part of the first upper rotating roller extends out of the first chute, and the end part of the first upper rotating roller is connected with a second driving mechanism; the second driving mechanism drives the first upper rotating roller to move back and forth along the first sliding groove.
Further, the second driving mechanism comprises a second oil hydraulic cylinder, a second oil cylinder joint and a connecting plate; the second oil cylinder joint is connected to one end of the second oil hydraulic cylinder and is slidably mounted on the two sliding rails; the connecting plate is connected to the other end of the second oil hydraulic cylinder, the connecting plate is connected with the rotating shaft, and the end part of the first upper rotating roller is installed on the second oil cylinder joint.
Further, the inside of going up the swing span is equipped with the second and rotates the roller on, go up the lateral wall of swing span and seted up the second spout, the tip of rotating the roller on the second stretches out the second spout, just the end connection of rotating the roller has guiding mechanism on the second.
Further, the adjusting mechanism comprises an adjusting seat and an adjusting rod; the adjusting seat is fixed on the side wall of the upper swing frame; the adjusting rod comprises a screw rod and a sleeve joint connected with the screw rod, the sleeve joint is installed at the end part of the second upper rotating roller, and the screw rod penetrates through the adjusting seat and is fixed on the adjusting seat.
Further, a third upper rotating roller is arranged inside the upper swing frame; the first upper rotating roller, the second upper rotating roller and the third upper rotating roller are arranged in a triangular mode.
Further, still install the supporting roller in going up the swing span, just go up the supporting roller and locate the free end of swing span.
Furthermore, a first lower rotating roller, a second lower rotating roller and a lower supporting roller are arranged in the lower swinging frame; the first lower rotating roller, the second lower rotating roller and the lower supporting roller are arranged in a triangular mode, the first lower rotating roller is arranged at the hinged position of the upper swing frame and the lower swing frame, and the lower supporting roller is arranged at the free end of the lower swing frame.
Furthermore, a third oil hydraulic cylinder is connected between the rear wall of the upper swing frame and the rear wall of the lower swing frame.
Furthermore, the vertical wrapper comprises a first welding seat, the first welding seat comprises two oppositely arranged supporting plates, the rotating shaft penetrates through the two supporting plates, and the swing arm is located between the two supporting plates.
Furthermore, a safety support plate is installed on the support plate close to the swing frame, the safety support plate is located in front of the swing arm, the first oil cylinder connector is located below the safety support plate, and a safety pin is inserted in the safety support plate.
Compared with the prior art, the vertical type wrapper is simple in structure because the swing frame is arranged on the rotating shaft, the rotating shaft is connected with the first driving mechanism, and the rotating shaft is driven to rotate by the first driving mechanism so as to drive the swing frame to swing; and the whole swing span hangs the next door of board after the installation to effectively reduce occupation space. In addition, through setting up first spout and two slide rails at the lateral wall of last swing span, set up the second driving machine simultaneously and be connected with first last live-rollers, by the first live-rollers round trip movement of first live-rollers of second driving machine drive along first spout to adjust the position of first live-rollers, play the effect of relaxing or tensioning the belt.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention without limiting the invention. In the drawings, there is shown in the drawings,
FIG. 1: the invention discloses a vertical wrapper;
FIG. 2: the invention relates to a sectional view of a vertical wrapper;
FIG. 3: the invention relates to a front view of a vertical wrapper;
FIG. 4: the invention discloses a top view of a vertical wrapper.
Detailed Description
The following detailed description of embodiments of the invention refers to the accompanying drawings. It should be understood that the detailed description and specific examples, while indicating the present invention, are given by way of illustration and explanation only, not limitation.
As shown in fig. 1, the vertical wrapper of the present invention comprises a first welding seat 1, a rotating shaft 2, a first driving mechanism, and a swing frame; wherein, the axis of rotation 2 is installed in first welding seat 1 in the rotation, and first actuating mechanism is connected with axis of rotation 2, and the swinging bracket is installed in axis of rotation 2.
Specifically, the first welding seat 1 includes two support plates 101 disposed opposite to each other, and the rotating shaft 2 penetrates through the two support plates 101. The first driving mechanism comprises a first oil hydraulic cylinder 3 and a swing arm 4; wherein, the first hydraulic cylinder 3 is arranged on a cylinder base 5, and the cylinder base 5 is arranged on a second welding base 6; and the extending shaft of the first oil hydraulic cylinder 3 is provided with a first oil cylinder joint 7; the swing arm 4 is positioned between the two supporting plates 101, the lower end of the swing arm 4 is connected with the first oil cylinder connector 7, and the upper end of the swing arm is sleeved on the rotating shaft 2. Further, a safety support plate 8 is mounted on the support plate 101 close to the swing frame, the safety support plate 8 is located in front of the swing arm 4, and the first oil cylinder joint 7 is located below the safety support plate 8 and used for limiting the swing stroke of the swing arm 4; the swing arm 4 is blocked by the safety support plate 8, and the swing arm 4 is prevented from excessively swinging downwards. In addition, the safety support plate 8 is inserted with the safety pin 9, and after the safety pin 9 is pulled out, the safety support plate 8 is disassembled, so that the first oil hydraulic cylinder 3 is convenient to maintain and assemble, and meanwhile, oil is convenient to be added to the first oil hydraulic cylinder 3.
As shown in fig. 1 to 3, the swing frame includes an upper swing frame 10, and a lower swing frame 11; wherein, the upper end of the upper swing frame 10 is arranged on the rotating shaft 2, the lower end is hinged with the lower swing frame 11, and an opening 12 is formed between the free end of the upper swing frame 10 and the free end of the lower swing frame 11. A first upper rotating roller 13, a second upper rotating roller 14 and a third upper rotating roller 15 are sequentially arranged in the upper swing frame 10 from top to bottom; the first upper rotating roller 13, the second upper rotating roller 14, and the third upper rotating roller 15 are disposed in a triangular shape. The side wall of the upper swing frame 10 is provided with a first sliding chute 16, the side wall of the upper swing frame 10 is provided with two sliding rails 17, and the first sliding chute 16 is located between the two sliding rails 17. The end of the first upper rotating roller 13 extends out of the first chute 16, and the end of the first upper rotating roller 13 is connected with a second driving mechanism.
The second driving mechanism comprises a second oil hydraulic cylinder 18, a second oil cylinder joint 19 and a connecting plate 20; wherein, the second cylinder joint 19 is connected to one end of the second hydraulic cylinder 18, and the second cylinder joint 19 is slidably mounted on the two slide rails 17; the connecting plate 20 is connected to the other end of the second hydraulic cylinder 18, and the connecting plate 20 is connected to the rotating shaft 2. Further, the end of the first upper rotating roller 13 is mounted on the second oil cylinder joint 19, the second oil cylinder joint 19 is driven by the second oil cylinder 18 to slide back and forth along the two slide rails 17, and the first upper rotating roller 13 is driven to move back and forth along the first sliding groove 16, so that the belt a is loosened or tensioned.
In addition, a second sliding slot 21 is opened on the side wall of the upper swing frame 10, the end of the second upper rotating roller 14 extends out of the second sliding slot 21, and an adjusting mechanism is connected to the end of the second upper rotating roller 14. The adjusting mechanism comprises an adjusting seat 22 and an adjusting rod 23; wherein, the adjusting seat 22 is fixed on the side wall of the upper swing frame 10; the adjusting rod 23 includes a screw 230 and a socket 231 connected to the screw 230, the socket 231 is mounted on the end of the second upper rotating roller 14, and the screw 230 passes through the adjusting seat 22 and is fixed to the adjusting seat 22 by a nut 24. Manually adjusting the second upper rotating roller 14 to move back and forth along the second chute 21 by loosening the nut 24, thereby tightening or loosening the belt a; after the adjustment, the screw 230 is fixed on the adjusting seat 22 by tightening the nut 24, so as to ensure that the second upper rotating roller 14 is fixed in the upper swing frame 10.
Further, an upper support roller 25 is further installed in the upper swing frame 10, and the upper support roller 25 is provided at the free end of the upper swing frame 10. A first lower rotating roller 26, a second lower rotating roller 27 and a lower supporting roller 28 are arranged in the lower swing frame 11; wherein, the first lower rotating roller 26, the second lower rotating roller 27 and the lower supporting roller 28 are arranged in a triangular shape, the first lower rotating roller 26 is arranged at the hinged position of the upper swing frame 10 and the lower swing frame 11, and the lower supporting roller 28 is arranged at the free end of the lower swing frame 11. The belt A optionally passes from the third upper rotating roller 15, then passes through the first lower rotating roller 26, and then passes through the second lower rotating roller 27; or directly pass through the second lower rotating roller 27 without passing through the first lower rotating roller 26 after passing through the third upper rotating roller 15, so that the vertical type wrapper can be used for rolling steel strips with different shapes and structures, and the applicability of the vertical type wrapper is improved.
As shown in fig. 2 to 4, a third hydraulic cylinder 29 is connected between the rear wall of the upper swing frame 10 and the rear wall of the lower swing frame 11. Specifically, the rear wall of the upper swing frame 10 is provided with an upper support base 30, the rear wall of the lower swing frame 11 is provided with a lower support base 31, the third hydraulic cylinder 29 is mounted on the upper support base 30, an extension shaft of the third hydraulic cylinder 29 is connected with a third cylinder joint 32, and the third cylinder joint 32 is mounted on the lower support base 31. The lower swing frame 11 is driven by the third hydraulic cylinder 29 to swing around the upper swing frame 10, thereby expanding or contracting the opening 12.
In conclusion, the vertical type wrapper has the following beneficial effects:
1. the rotating shaft 2 is arranged on the first welding seat 1, the swing frame is arranged on the rotating shaft 2, the rotating shaft 2 is connected with the first driving mechanism, and the first driving mechanism drives the rotating shaft 2 to rotate, so that the swing frame is driven to swing, and the structure is simple; during installation, only the first welding seat 1 is needed to be installed on the machine table, so that the whole swing frame is suspended beside the machine table, and the occupied space is effectively reduced.
2. The side wall of the upper swing frame 10 is provided with a first sliding chute 16 and two sliding rails 17, and the first sliding chute 16 is positioned between the two sliding rails 17; meanwhile, a second driving machine is arranged to be connected with the first upper rotating roller 13, and the second oil hydraulic cylinder 18 drives the second oil cylinder joint 19 to slide back and forth along the two slide rails 17, so that the first upper rotating roller 13 is driven to move back and forth along the first sliding groove 16, and the belt A is loosened or tensioned.
3. The second chute 21 is arranged on the side wall of the upper swing frame 10, and an adjusting mechanism is arranged and connected with the second upper rotating roller 14 of the adjusting rod 23; by loosening the nut 24, the second upper rotating roller 14 is manually adjusted to move back and forth along the second sliding groove 21, so that the belt A is tensioned or loosened, and the adjusting mechanism is locked after the belt A is adjusted, so that the belt tensioning device is simple and convenient.
4. The first lower rotating roller 26 is arranged at the hinged position of the upper swing frame 10 and the lower swing frame 11, so that the belt A can selectively fall from the third upper rotating roller 15, then pass through the first lower rotating roller 26 and then pass through the second lower rotating roller 27; or directly pass through the second lower rotating roller 27 without passing through the first lower rotating roller 26 after passing through the third upper rotating roller 15, so that the vertical type wrapper can be used for rolling steel strips with different shapes and structures, and the applicability of the vertical type wrapper is improved.
Any combination of the various embodiments of the present invention should be considered as disclosed in the present invention, unless the inventive concept is contrary to the present invention; within the scope of the technical idea of the invention, any combination of various simple modifications and different embodiments of the technical solution without departing from the inventive idea of the present invention shall fall within the protection scope of the present invention.
Claims (9)
1. A vertical wrapper, comprising: a rotating shaft (2), a first driving mechanism and a swing frame; the first driving mechanism is connected with the rotating shaft (2), and the swinging frame is mounted on the rotating shaft (2);
the first driving mechanism comprises a first oil hydraulic cylinder (3) and a swing arm (4); a first oil cylinder joint (7) is mounted on an extending shaft of the first oil hydraulic cylinder (3), the lower end of the swing arm (4) is connected with the first oil cylinder joint (7), and the upper end of the swing arm is sleeved on the rotating shaft (2);
the swing frame comprises an upper swing frame (10) and a lower swing frame (11), the upper end of the upper swing frame (10) is mounted on the rotating shaft (2), the lower end of the upper swing frame is hinged with the lower swing frame (11), and an opening (12) is formed between the free end of the upper swing frame (10) and the free end of the lower swing frame (11); a first sliding groove (16) is formed in the side wall of the upper swing frame (10), two sliding rails (17) are arranged on the side wall of the upper swing frame (10), and the first sliding groove (16) is located between the two sliding rails (17); a first upper rotating roller (13) is arranged in the upper swing frame (10), the end part of the first upper rotating roller (13) extends out of the first chute (16), and the end part of the first upper rotating roller (13) is connected with a second driving mechanism; the second driving mechanism drives the first upper rotating roller (13) to move back and forth along the first sliding chute (16);
a first lower rotating roller (26), a second lower rotating roller (27) and a lower supporting roller (28) are arranged in the lower swing frame (11); first live-rollers (26) down live-rollers (27) and under backing roll (28) be the triangle-shaped setting, just first live-rollers (26) are located go up swing span (10) with the articulated department of swing span (11) down, backing roll (28) are located down the free end of swing span (11).
2. The vertical wrapper according to claim 1, wherein: the second driving mechanism comprises a second oil hydraulic cylinder (18), a second oil cylinder joint (19) and a connecting plate (20); the second oil cylinder joint (19) is connected to one end of the second oil hydraulic cylinder (18), and the second oil cylinder joint (19) is slidably mounted on the two slide rails (17); the connecting plate (20) is connected to the other end of the second oil hydraulic cylinder (18), the connecting plate (20) is connected with the rotating shaft (2), and the end part of the first upper rotating roller (13) is installed on the second oil cylinder joint (19).
3. The vertical wrapper according to claim 1, wherein: go up swing span (10) the inside be equipped with second and go up rotation roller (14), second spout (21) have been seted up to the lateral wall of going up swing span (10), the tip of rotation roller (14) stretches out on the second spout (21), just the end connection of rotation roller (14) has guiding mechanism on the second.
4. The vertical wrapper according to claim 3, wherein: the adjusting mechanism comprises an adjusting seat (22) and an adjusting rod (23); the adjusting seat (22) is fixed on the side wall of the upper swing frame (10); the adjusting rod (23) comprises a screw rod (230) and a sleeve joint (231) connected with the screw rod (230), the sleeve joint (231) is installed at the end part of the second upper rotating roller (14), and the screw rod (230) penetrates through the adjusting seat (22) and is fixed on the adjusting seat (22).
5. The vertical wrapper according to claim 3, wherein: a third upper rotating roller (15) is arranged in the upper swing frame (10); the first upper rotating roller (13), the second upper rotating roller (14) and the third upper rotating roller (15) are arranged in a triangular mode.
6. The vertical wrapper according to claim 1, wherein: go up still install in swing span (10) backup roll (25), just go up backup roll (25) and locate the free end of swing span (10).
7. The vertical wrapper according to claim 1, wherein: and a third oil hydraulic cylinder (29) is connected between the rear wall of the upper swing frame (10) and the rear wall of the lower swing frame (11).
8. The vertical wrapper according to claim 1, wherein: the vertical wrapper comprises a first welding seat (1), the first welding seat (1) comprises two oppositely arranged supporting plates (101), the rotating shaft (2) penetrates through the two supporting plates (101), and the swing arm (4) is located between the two supporting plates (101).
9. The vertical wrapper as defined in claim 8, wherein: a safety support plate (8) is installed on the support plate (101) close to the swing frame, the safety support plate (8) is located in front of the swing arm (4), the first oil cylinder connector (7) is located below the safety support plate (8), and a safety pin (9) is inserted into the safety support plate (8).
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811515880.0A CN109454124B (en) | 2018-12-12 | 2018-12-12 | Vertical wrapper |
| PCT/CN2019/072293 WO2020118863A1 (en) | 2018-12-12 | 2019-01-18 | Vertical rolling assisting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811515880.0A CN109454124B (en) | 2018-12-12 | 2018-12-12 | Vertical wrapper |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109454124A CN109454124A (en) | 2019-03-12 |
| CN109454124B true CN109454124B (en) | 2020-05-26 |
Family
ID=65613031
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811515880.0A Active CN109454124B (en) | 2018-12-12 | 2018-12-12 | Vertical wrapper |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN109454124B (en) |
| WO (1) | WO2020118863A1 (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114226492A (en) * | 2021-11-12 | 2022-03-25 | 肇庆宏旺金属实业有限公司 | Wrapper for steel strip processing line |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2671711Y (en) * | 2003-12-28 | 2005-01-19 | 西安重型机械研究所 | Vertical belt roller aid |
| CN201537636U (en) * | 2009-11-27 | 2010-08-04 | 中色科技股份有限公司 | Curling aid angle-wrapping rack device |
| CN202356447U (en) * | 2011-12-15 | 2012-08-01 | 中冶陕压重工设备有限公司 | Movable oscillating arm enclasping device for belt wrappers |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2807380B2 (en) * | 1992-09-28 | 1998-10-08 | 川崎製鉄株式会社 | Strip winding device |
| CN2703590Y (en) * | 2004-06-01 | 2005-06-08 | 郑红专 | Rolling-assisting device |
| KR100825333B1 (en) * | 2007-05-09 | 2008-04-28 | 주식회사 포스코 | Tension adjusting apparatus of belt wrapper for winding the strip |
| KR101245694B1 (en) * | 2010-06-10 | 2013-04-01 | 주식회사 포스코 | Hard strip winder using belt wrapper |
| CN202377299U (en) * | 2011-09-27 | 2012-08-15 | 苏州宝联重工股份有限公司 | Arm holding type adjustable auxiliary coiler |
| CN206168971U (en) * | 2016-11-04 | 2017-05-17 | 福建宏旺实业有限公司 | Help a roll ware structure |
| CN106944497B (en) * | 2017-05-08 | 2018-06-15 | 常州机电职业技术学院 | A kind of strap rolling-assisting device |
| CN108246830A (en) * | 2017-12-25 | 2018-07-06 | 佛山市珂莎巴科技有限公司 | A kind of rolling-assisting device |
-
2018
- 2018-12-12 CN CN201811515880.0A patent/CN109454124B/en active Active
-
2019
- 2019-01-18 WO PCT/CN2019/072293 patent/WO2020118863A1/en active Application Filing
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2671711Y (en) * | 2003-12-28 | 2005-01-19 | 西安重型机械研究所 | Vertical belt roller aid |
| CN201537636U (en) * | 2009-11-27 | 2010-08-04 | 中色科技股份有限公司 | Curling aid angle-wrapping rack device |
| CN202356447U (en) * | 2011-12-15 | 2012-08-01 | 中冶陕压重工设备有限公司 | Movable oscillating arm enclasping device for belt wrappers |
Also Published As
| Publication number | Publication date |
|---|---|
| CN109454124A (en) | 2019-03-12 |
| WO2020118863A1 (en) | 2020-06-18 |
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Application publication date: 20190312 Assignee: Hunan Hongwang New Material Technology Co.,Ltd. Assignor: ZHAOQING HONGWANG METAL INDUSTRIAL Co.,Ltd. Contract record no.: X2023980044392 Denomination of invention: A vertical winding aid Granted publication date: 20200526 License type: Common License Record date: 20231024 |