CN115072106A - Auxiliary device and method for shearing steel coil binding belt - Google Patents
Auxiliary device and method for shearing steel coil binding belt Download PDFInfo
- Publication number
- CN115072106A CN115072106A CN202210694651.XA CN202210694651A CN115072106A CN 115072106 A CN115072106 A CN 115072106A CN 202210694651 A CN202210694651 A CN 202210694651A CN 115072106 A CN115072106 A CN 115072106A
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- Prior art keywords
- steel coil
- adsorption
- shearing
- pressing seat
- adsorption pressing
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- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 80
- 239000010959 steel Substances 0.000 title claims abstract description 80
- 238000010008 shearing Methods 0.000 title claims abstract description 53
- 238000000034 method Methods 0.000 title claims abstract description 18
- 238000003825 pressing Methods 0.000 claims abstract description 73
- 238000001179 sorption measurement Methods 0.000 claims abstract description 71
- 230000003044 adaptive effect Effects 0.000 claims abstract description 3
- 238000010521 absorption reaction Methods 0.000 claims description 12
- 230000005291 magnetic effect Effects 0.000 claims description 9
- 238000005520 cutting process Methods 0.000 claims description 8
- 230000005294 ferromagnetic effect Effects 0.000 claims description 8
- 238000007789 sealing Methods 0.000 claims description 7
- QJVKUMXDEUEQLH-UHFFFAOYSA-N [B].[Fe].[Nd] Chemical compound [B].[Fe].[Nd] QJVKUMXDEUEQLH-UHFFFAOYSA-N 0.000 claims description 3
- 229910001172 neodymium magnet Inorganic materials 0.000 claims description 3
- 230000000274 adsorptive effect Effects 0.000 claims 1
- 230000006835 compression Effects 0.000 claims 1
- 238000007906 compression Methods 0.000 claims 1
- 239000007769 metal material Substances 0.000 abstract description 2
- 238000002360 preparation method Methods 0.000 abstract description 2
- 230000008569 process Effects 0.000 description 7
- 230000000694 effects Effects 0.000 description 5
- 238000012986 modification Methods 0.000 description 5
- 230000004048 modification Effects 0.000 description 5
- 239000000463 material Substances 0.000 description 4
- 238000005086 pumping Methods 0.000 description 4
- 230000009471 action Effects 0.000 description 3
- 229910001209 Low-carbon steel Inorganic materials 0.000 description 1
- 230000006978 adaptation Effects 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 239000011230 binding agent Substances 0.000 description 1
- 238000005097 cold rolling Methods 0.000 description 1
- 230000008094 contradictory effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65B—MACHINES, APPARATUS OR DEVICES FOR, OR METHODS OF, PACKAGING ARTICLES OR MATERIALS; UNPACKING
- B65B69/00—Unpacking of articles or materials, not otherwise provided for
- B65B69/0025—Removing or cutting binding material, e.g. straps or bands
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Basic Packing Technique (AREA)
Abstract
The invention belongs to the technical field of metal material preparation and processing, and discloses a steel coil binding strip shearing auxiliary device and a steel coil binding strip shearing method; the steel coil binding strip shearing auxiliary device comprises: the first adsorption pressing seat, the second adsorption pressing seat and the connecting piece are arranged on the base; the first adsorption pressing seat and the second adsorption pressing seat are respectively connected with the connecting piece; the first adsorption pressing seat and the second adsorption pressing seat are respectively provided with an adsorption pressing surface adaptive to a steel coil surface, and the adsorption pressing surface can adsorb on the steel coil surface and press a steel coil binding belt on the steel coil surface. The auxiliary device and the method for shearing the steel coil strapping tape can effectively avoid the safety risk during the tape shearing.
Description
Technical Field
The invention relates to the technical field of metal material preparation and processing, in particular to a steel coil binding strip shearing auxiliary device and a steel coil binding strip shearing method.
Background
In order to avoid the outer ring from being loose and facilitate the circulation of steel coils among the processes, the outer ring of the incoming steel coil of the cold rolling mill is usually bundled by a binding band of cold-rolled low-carbon steel and is provided with a buckle for locking at the end. Before the rolling mill is coiled, the binding belt needs to be dismantled at the buckle position, and due to the fact that the binding belt is tightened and under the action of tension in the dismantling process, the binding belt is bounced off at the shearing moment, and the potential safety hazard that people are injured due to the bounced off seriously exists.
Disclosure of Invention
The invention provides a steel coil binding strip shearing auxiliary device and a steel coil binding strip shearing method, which solve the technical problem that the steel coil binding strip in the prior art is easy to bounce off in the shearing process, so that the safety risk is high.
In order to solve the above technical problems, the present invention provides a steel coil bundling tape shearing assisting device, comprising: the first adsorption pressing seat, the second adsorption pressing seat and the connecting piece are arranged on the base;
the first adsorption pressing seat and the second adsorption pressing seat are respectively connected with the connecting piece;
the first adsorption pressing seat and the second adsorption pressing seat are respectively provided with an adsorption pressing surface adaptive to a steel coil surface, and the adsorption pressing surface can adsorb on the steel coil surface and press a steel coil binding belt on the steel coil surface.
Further, the first adsorption pressing seat and/or the second adsorption pressing seat are/is provided with a strong magnetic piece.
Further, the first adsorption pressing seat and the second adsorption pressing seat are integrally formed by a strong magnetic piece.
Further, the strong magnetic member includes: a neodymium iron boron strong magnet.
Further, the strong magnetic member includes: an electromagnet.
Furthermore, a limiting groove matched with the binding belt is formed in the adsorption pressing surface.
Furthermore, the first adsorption pressing seat and/or the second adsorption pressing seat are/is a negative pressure adsorption base.
Further, the negative pressure adsorption base includes: contacting the suction cup and the sealing gasket;
the sealing washer is arranged on the bottom surface of the contact sucker;
the contact sucker is provided with a binding band pressing part, the contact sucker is provided with a negative pressure air exhaust joint, and the negative pressure air exhaust joint is provided with a one-way valve.
Further, the connector includes: a connecting handle;
and two ends of the connecting handle are respectively connected with the first adsorption pressing seat and the second adsorption pressing seat.
A steel coil strapping shearing method is based on the steel coil strapping shearing auxiliary device to carry out the strapping shearing operation;
the tape cutting operation comprises:
respectively fixing the first adsorption pressing seat and the second adsorption pressing seat on the surface of the steel coil plate in an adsorption manner, and pressing a steel coil bundling belt on the surface of the steel coil plate;
selecting a shearing point between the first adsorption pressing seat and the second adsorption pressing seat on the steel coil binding belt;
and shearing the steel coil binding band from the shearing point.
One or more technical solutions provided in the embodiments of the present application have at least the following technical effects or advantages:
the coil of strip binder that provides in this application embodiment shears auxiliary device and shearing method, through first absorption compress tightly the seat with the second is adsorbed and is compressed tightly the seat and be used for adsorbing respectively on the coil of strip face to compress tightly the coil of strip on the coil of strip area, thereby form two stable pressure points on the coil of strip tie, thereby can implement the shearing operation between two pressure points, compress tightly the seat through two absorption and compress tightly the effect, thereby can restrict the bullet of broken end and play, thereby avoid safe risk. The selection interval of the shearing point can be fully indicated through the action of the connecting piece, and the band shearing operation is convenient.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings needed to be used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the following description are some embodiments of the present application, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts.
Fig. 1 is a diagram illustrating a steel coil strip shearing assisting device according to an embodiment of the present invention;
FIG. 2 is a schematic view illustrating a state where the steel coil band shearing assisting device of FIG. 1 is mounted on a steel coil;
fig. 3 is a schematic view illustrating a state where the steel coil band shearing assisting device of fig. 2 is mounted on a steel coil for shearing a band.
Detailed Description
The technical solutions in the embodiments of the present application will be described clearly and completely with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only a part of the embodiments of the present application, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.
It should be noted that all the directional indications in the embodiments of the present application are only used to explain the relative position relationship, the motion situation, and the like between the components in a certain posture, and if the certain posture is changed, the directional indication is changed accordingly.
The following disclosure provides many different embodiments or examples for implementing different features of the application. In order to simplify the disclosure of the present application, specific example components and arrangements are described below. Of course, they are merely examples and are not intended to limit the present application. Moreover, the present application may repeat reference numerals and/or letters in the various examples, which have been repeated for purposes of simplicity and clarity and do not in themselves dictate a relationship between the various embodiments and/or arrangements discussed. In addition, examples of various specific processes and materials are provided herein, but one of ordinary skill in the art may recognize applications of other processes and/or use of other materials.
The present application is described below with reference to specific embodiments in conjunction with the attached drawings.
The embodiment of the application provides a steel coil binding strip shearing auxiliary device and a shearing method, and solves the technical problem that in the prior art, the steel coil binding strip is easy to bounce off in the shearing process, so that the safety risk is high.
For better understanding of the above technical solutions, the above technical solutions will be described in detail with reference to the drawings and specific embodiments of the present application, and it should be understood that the embodiments and specific features of the embodiments of the present invention are detailed descriptions of the technical solutions of the present application, and are not limitations of the technical solutions of the present application, and the technical features of the embodiments and examples of the present application may be combined with each other without conflict.
Referring to fig. 1, the embodiment of the present application provides a steel coil strapping shearing assisting device, which is used for effectively limiting potential safety hazards caused by the following bouncing of broken ends after the steel coil strapping is sheared.
Specifically, the steel coil band shearing assistance device 30 includes: a first suction holder 31, a second suction holder 32, and a connector 33.
The first adsorption pressing seat 31 and the second adsorption pressing seat 32 are respectively used as pressing seats which can be adsorbed on the surface of the steel coil plate, so that two stable pressing bases can be formed on the surface of the steel coil plate. Wherein, first absorption compresses tightly seat 31 with the absorption that sets up the adaptation coil of strip face respectively compresses tightly the face on the second absorption compresses tightly the seat 32, the accessible the absorption compresses tightly the face absorption and is in compress tightly coil of strip face is last and compress tightly coil of strip tie 20 thereby form two stable compressing points on the coil of strip tie to can implement the cutting operation between two compressing points, compress tightly the seat through two absorption, thereby can restrict the bullet of broken end and play, thereby avoid safe risk.
In order to accurately indicate the shearing area, the first suction pressing seat 31 and the second suction pressing seat 32 may be respectively connected to the connecting piece 33; the selection interval of the shearing point can be fully indicated through the action of the connecting piece 33, and the tape shearing operation is convenient.
In this embodiment, in order to fix the first adsorption pressing base 31 and the second adsorption pressing base 32 on the steel coil 10 conveniently, one or all of the first adsorption pressing base 31 and the second adsorption pressing base 32 may be provided with a ferromagnetic member, so as to be fixed on the steel coil 10 in a ferromagnetic adsorption manner. Therefore, the operation process is simple, and the adsorption state is stable and reliable.
Generally, in order to stably fix the ferromagnetic member, fixing groove cavities may be formed in the first suction holder 31 and the second suction holder 32 for accommodating and fixing the ferromagnetic member.
It should be noted that the position of the fixing slot cavity can be set at a side close to the steel coil 10 as much as possible, so as to reduce the distance to the steel coil 10, thereby enhancing the magnetic adsorption effect.
In other embodiments, the first adsorption pressing seat 31 and the second adsorption pressing seat 32 may be provided to be integrally formed by a strong magnetic member; such as directly into a block structure.
In a specific selection, the ferromagnetic member includes: neodymium iron boron strong magnets or electromagnets.
The electromagnet realizes on-site power on-off control through the power supply structure, so that the on-off of a strong magnetic state can be controlled, and flexible control is facilitated.
Further, in order to shorten the distance between the ferromagnetic member and the steel coil 10 as much as possible and take the compressing effect of the steel coil strap 20 into consideration, the adsorption compressing surface is provided with a limiting groove adapted to the strap, so that the steel coil strap 20 can be accommodated in the recessed limiting groove, and the first adsorption compressing seat 31 and the second adsorption compressing seat 32 are directly compressed on the surface of the steel coil 10 without being influenced by the height of the steel coil strap 20.
In other embodiments, the first suction pressing seat 31 and/or the second suction pressing seat 32 may be configured as a negative pressure suction base, that is, the pressing operation of the steel coil strap 20 is realized by using air pressure. Of course, during operation, conventional fittings such as vacuum pumping equipment, pipe fittings, joints and the like need to be configured, and details are not repeated here.
Can preliminarily compress tightly the negative pressure absorption base and keep certain initial contact sealed on the coil of strip face, then extract the air in both clearances through evacuation equipment, form the negative pressure state, realize under the effect of outside atmospheric pressure that the absorption is fixed steadily.
Specifically, the negative pressure adsorption base includes: contacting the suction cup and the sealing gasket; the sealing gasket is arranged on the bottom surface of the contact sucker, so that a sealing contact state is conveniently formed, and an internal negative pressure state is maintained.
In order to fix the steel coil binding band 20 in a matching manner, a binding band pressing part is arranged on the contact sucker, a negative pressure air suction joint is arranged on the contact sucker, and a one-way valve is arranged on the negative pressure air suction joint, so that the vacuum pumping operation of vacuum pumping equipment can be met, and the internal air pressure state of the vacuum pumping equipment can be kept.
Generally, one side of the contact suction cup may be set to be slightly higher than the upturned extension arm of the contact suction cup, so that the steel coil strap 20 can be stably compressed when the contact suction cup is fixed on the surface of the steel coil 10.
Certainly, do not exclude contact sucking disc's ground middle part sets up the spacing groove, will contact sucking disc divides into two parts, adsorbs the revolving stage that the coil of strip surface middle part compressed tightly through both sides respectively and realizes horizontal spacing and vertical compressing tightly. The contact suction cup may be divided into two parts provided as separate adsorption cavities or as adsorption cavities communicating with each other.
To facilitate the indicating operation, the connecting member 33 includes: a connecting handle; two ends of the connecting handle are respectively connected with the first adsorption pressing seat 31 and the second adsorption pressing seat 32.
Based on the above shearing assisting device, the present embodiment further provides a steel coil strapping shearing method, which implements a strapping shearing operation based on the steel coil strapping shearing assisting device;
the tape cutting operation comprises:
respectively fixing the first adsorption pressing seat and the second adsorption pressing seat on the surface of the steel coil plate in an adsorption manner, and pressing a steel coil bundling belt on the surface of the steel coil plate;
selecting a shearing point between the first adsorption pressing seat and the second adsorption pressing seat on the steel coil binding belt;
and cutting the steel coil strap from the cutting point.
In this application, unless expressly stated or limited otherwise, the terms "connected," "secured," and the like are to be construed broadly, and for example, "secured" may be a fixed connection, a removable connection, or an integral part; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art as the case may be.
In the description of the present application, it is to be understood that the terms "center," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," and the like are used in an orientation or positional relationship indicated in the drawings for convenience in describing the present application and to simplify the description, and are not intended to indicate or imply that the device or element so referred to must have a particular orientation, be constructed in a particular orientation, and be operated in a particular orientation, and thus are not to be construed as limiting the present application.
In addition, descriptions in this application as to "first", "second", etc. are for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicit to the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In addition, technical solutions between various embodiments may be combined with each other, but must be realized by a person skilled in the art, and when the technical solutions are contradictory or cannot be realized, such a combination should not be considered to exist, and is not within the protection scope of the present application.
In the description of the present invention, unless otherwise expressly specified or limited, the first feature "on" or "under" the second feature may comprise the first and second features being in direct contact, or may comprise the first and second features being in contact, not directly, but via another feature in between. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.
In the description herein, reference to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the application. In this specification, the schematic representations of the terms used above are not necessarily intended to refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, the different embodiments or examples described in this specification can be combined and combined by a person skilled in the art
While the preferred embodiments of the present application have been described, additional variations and modifications of these embodiments may occur to those skilled in the art once they learn of the basic inventive concepts. Therefore, it is intended that the appended claims be interpreted as including preferred embodiments and all alterations and modifications as fall within the scope of the application.
It will be apparent to those skilled in the art that various changes and modifications may be made in the present application without departing from the spirit and scope of the application. Thus, if such modifications and variations of the present application fall within the scope of the claims of the present application and their equivalents, the present application is intended to include such modifications and variations as well.
Claims (10)
1. The utility model provides a coil of strip tie cuts auxiliary device which characterized in that includes: the first adsorption pressing seat, the second adsorption pressing seat and the connecting piece are arranged on the base;
the first adsorption pressing seat and the second adsorption pressing seat are respectively connected with the connecting piece;
the first adsorption pressing seat and the second adsorption pressing seat are respectively provided with an adsorption pressing surface adaptive to a steel coil surface, and the adsorption pressing surface can adsorb on the steel coil surface and press a steel coil binding belt on the steel coil surface.
2. The steel coil strap shearing assisting device as claimed in claim 1, wherein a strong magnetic member is disposed on the first absorption pressing base and/or the second absorption pressing base.
3. The steel coil strap shearing aid as recited in claim 1, wherein said first and second adsorptive compression seats are integrally formed of a strong magnetic member.
4. The steel coil strap shearing assistance device as claimed in claim 2 or 3, wherein said ferromagnetic member comprises: a neodymium iron boron strong magnet.
5. The steel coil strap shearing assistance device as claimed in claim 2 or 3, wherein said ferromagnetic member comprises: an electromagnet.
6. The steel coil strapping shearing assisting device as claimed in claim 1, wherein a limiting groove adapted to the strapping tape is formed on the adsorbing and pressing surface.
7. The steel coil strap shearing aid as recited in claim 1, wherein said first and/or second suction pinch seats are negative pressure suction seats.
8. The steel coil strap shearing aid as recited in claim 7, wherein said negative pressure suction base comprises: contacting the suction cup and the sealing gasket;
the sealing washer is arranged on the bottom surface of the contact sucker;
the contact sucker is provided with a binding band pressing part, the contact sucker is provided with a negative pressure air exhaust joint, and the negative pressure air exhaust joint is provided with a one-way valve.
9. The steel coil strap shearing assistance device as recited in claim 1, wherein said connector comprises: a connecting handle;
and two ends of the connecting handle are respectively connected with the first adsorption pressing seat and the second adsorption pressing seat.
10. A steel coil strip shearing method, characterized in that a strip shearing operation is performed based on the steel coil strip shearing assisting device according to any one of claims 1 to 9;
the tape cutting operation comprises:
respectively fixing the first adsorption pressing seat and the second adsorption pressing seat on the surface of the steel coil plate in an adsorption manner, and pressing a steel coil bundling belt on the surface of the steel coil plate;
selecting a shearing point between the first adsorption pressing seat and the second adsorption pressing seat on the steel coil binding belt;
and cutting the steel coil strap from the cutting point.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210694651.XA CN115072106A (en) | 2022-06-20 | 2022-06-20 | Auxiliary device and method for shearing steel coil binding belt |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210694651.XA CN115072106A (en) | 2022-06-20 | 2022-06-20 | Auxiliary device and method for shearing steel coil binding belt |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN115072106A true CN115072106A (en) | 2022-09-20 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210694651.XA Pending CN115072106A (en) | 2022-06-20 | 2022-06-20 | Auxiliary device and method for shearing steel coil binding belt |
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| CN (1) | CN115072106A (en) |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0516611U (en) * | 1991-08-16 | 1993-03-02 | 大和製罐株式会社 | Unpacking processing device for steel band bound luggage |
| CN101774435A (en) * | 2009-01-13 | 2010-07-14 | 宝山钢铁股份有限公司 | Hot rolled steel coil taping device |
| CN205220178U (en) * | 2015-12-14 | 2016-05-11 | 郭嘉川 | Paper magnetism layering |
| CN106378947A (en) * | 2015-08-06 | 2017-02-08 | 青岛软控机电工程有限公司 | Clamping device and forming machine with same |
| CN207143590U (en) * | 2017-09-15 | 2018-03-27 | 安徽瑞华棉业发展股份有限公司 | A kind of clothes processing Cloth Cutting device for facilitating cloth to fix |
| CN209698150U (en) * | 2019-03-28 | 2019-11-29 | 天津海钢板材有限公司 | A kind of novel connecting band shear |
| CN210391813U (en) * | 2019-07-10 | 2020-04-24 | 鞍钢股份有限公司 | Strip stabilizing device for assisting in removing steel coil binding strip |
| CN211991194U (en) * | 2019-07-08 | 2020-11-24 | 临清市鸿基集团有限公司 | Uncoiling strap shearing device for hot-dip aluminum-zinc silicon steel plate production |
| CN114364610A (en) * | 2019-09-19 | 2022-04-15 | 普锐特冶金技术德国有限公司 | Automatic removal of strapping from a roll |
-
2022
- 2022-06-20 CN CN202210694651.XA patent/CN115072106A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0516611U (en) * | 1991-08-16 | 1993-03-02 | 大和製罐株式会社 | Unpacking processing device for steel band bound luggage |
| CN101774435A (en) * | 2009-01-13 | 2010-07-14 | 宝山钢铁股份有限公司 | Hot rolled steel coil taping device |
| CN106378947A (en) * | 2015-08-06 | 2017-02-08 | 青岛软控机电工程有限公司 | Clamping device and forming machine with same |
| CN205220178U (en) * | 2015-12-14 | 2016-05-11 | 郭嘉川 | Paper magnetism layering |
| CN207143590U (en) * | 2017-09-15 | 2018-03-27 | 安徽瑞华棉业发展股份有限公司 | A kind of clothes processing Cloth Cutting device for facilitating cloth to fix |
| CN209698150U (en) * | 2019-03-28 | 2019-11-29 | 天津海钢板材有限公司 | A kind of novel connecting band shear |
| CN211991194U (en) * | 2019-07-08 | 2020-11-24 | 临清市鸿基集团有限公司 | Uncoiling strap shearing device for hot-dip aluminum-zinc silicon steel plate production |
| CN210391813U (en) * | 2019-07-10 | 2020-04-24 | 鞍钢股份有限公司 | Strip stabilizing device for assisting in removing steel coil binding strip |
| CN114364610A (en) * | 2019-09-19 | 2022-04-15 | 普锐特冶金技术德国有限公司 | Automatic removal of strapping from a roll |
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