CN114042766B - Flying shear device for hot rolled bar - Google Patents
Flying shear device for hot rolled bar Download PDFInfo
- Publication number
- CN114042766B CN114042766B CN202111349898.XA CN202111349898A CN114042766B CN 114042766 B CN114042766 B CN 114042766B CN 202111349898 A CN202111349898 A CN 202111349898A CN 114042766 B CN114042766 B CN 114042766B
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- inlet
- flying shear
- inclined plane
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21B—ROLLING OF METAL
- B21B39/00—Arrangements for moving, supporting, or positioning work, or controlling its movement, combined with or arranged in, or specially adapted for use in connection with, metal-rolling mills
- B21B39/14—Guiding, positioning or aligning work
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21B—ROLLING OF METAL
- B21B15/00—Arrangements for performing additional metal-working operations specially combined with or arranged in, or specially adapted for use in connection with, metal-rolling mills
- B21B15/0007—Cutting or shearing the product
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Shearing Machines (AREA)
- Metal Rolling (AREA)
Abstract
The invention provides a flying shear device for hot rolled bars, comprising: the flying shear mechanism is provided with an inlet end and an outlet end at two sides thereof respectively; the inlet guide groove is arranged at the inlet end of the flying shear assembly; the outlet guide slot is arranged at the outlet end of the flying shear assembly and comprises a support and a guide slot body arranged on the support, an inlet horn section, a steel passage section, a suspended falling section, an inclined plane guide section and an outlet section which are sequentially connected are arranged in the guide slot body, a step guide plate is obliquely arranged at the inlet of the steel passage section, and an inclined plane guide assembly is arranged at the inclined plane guide section. The invention can effectively prevent the cutting head from directly flying into the steel passing channel, and avoid the accident caused by the fact that the rolled piece sags due to gravity to strike the inclined plane to guide the lower edge and the rolled piece transversely passes out of the guide groove.
Description
Technical Field
The invention belongs to the technical field of ferrous metallurgical equipment, and particularly relates to a flying shear device for hot rolled bars.
Background
Flying shears are a very critical device in hot rolled bar production lines, and are mainly used for cutting the heads, the tails and the fragments of rolled pieces so as to ensure the material sizes of the heads and the tails of the rolled pieces and avoid steel stacking accidents caused by uneven deformation or warping of the heads of the rolled pieces in a downstream frame or a steel passing channel. In order to accurately enter the rolling piece into the position of the shearing edge of the flying shear, guide grooves are arranged on the upstream and downstream of the flying shear, wherein the guide groove on the upstream is called an inlet guide groove, and the guide groove on the downstream is called an outlet guide groove.
The outlet guide groove adopted by the existing flying shears is generally designed into a horn mouth shape, a steel passing channel with a rectangular inner cavity is arranged in the horn mouth, and the height dimension of the inner cavity is larger; the rectangular inner cavity is followed by a suspended falling section, an inclined plane guiding section and an outlet section in sequence. The prior art mainly has two defects: 1. the horn mouth opening degree of the guide groove is large, and the height dimension of the rectangular inner cavity is large, so that the guide groove cannot effectively prevent the head from being cut and the tail from flying into the guide groove due to inertia. If the speed of the rolled piece is high, the cut end entering the guide groove may directly "fly" through the falling section of the outlet guide groove and enter the guide groove of the downstream rolling line, so that the normal passing of the subsequent rolled piece is blocked, and steel piling is caused. 2. The incline guidance after the drop section is too short. The head of the rolled piece naturally sags under the action of gravity after entering the drop section, the higher the temperature of the rolled piece is, the more obvious the head sags, and if the sagging height of the head of the rolled piece exceeds the lower edge of the inclined plane guide, the head of the rolled piece can strike the inclined plane guide plate to cause steel piling.
Disclosure of Invention
In view of the above-mentioned drawbacks of the prior art, an object of the present invention is to provide a flying shear device for hot rolled bar, which is used for solving the problem that the guide groove in the flying shear device in the prior art cannot effectively prevent the cut end from "flying into" the guide groove and the pile steel caused by the gravity sagging of the head of the rolled piece.
To achieve the above and other related objects, the present invention provides a flying shear device for hot rolled bar, comprising:
the flying shear mechanism is provided with an inlet end and an outlet end at two sides thereof respectively;
the inlet guide groove is arranged at the inlet end of the flying shear assembly;
the flying shear comprises a flying shear assembly, and is characterized by comprising an outlet guide groove, wherein the outlet guide groove is arranged at the outlet end of the flying shear assembly and comprises a support and a guide groove body arranged on the support, an inlet horn section, a steel passage section, a suspended falling section, an inclined plane guide section and an outlet section which are sequentially connected are arranged in the guide groove body, a step guide plate is obliquely arranged at the inlet of the steel passage section, and an inclined plane guide assembly is arranged at the inclined plane guide section.
Optionally, one end of the step guide plate is connected with the inlet horn section, and the other end extends to the inside of the steel passage section.
Optionally, the inclined plane direction subassembly includes inclined plane deflector and side direction backplate, the terminal slope of inclined plane deflector is provided with the extension, the extension extends towards the direction of steel passageway section, the side direction backplate is located the extension, be connected with the stiffening rib between inclined plane deflector and the extension.
Optionally, the unsettled section of falling is the unsettled section of one section that sets up on the steel passageway section bottom, the inclined plane deflector passes through extension setting up in unsettled section and is close to one side of export section.
Optionally, the inlet of the inlet flare is in a rectangular flare structure, and the inclination of the lower end of the inlet flare is larger than the inclination of the upper end.
Optionally, a rotatable movable turning plate is arranged above the suspended drop section, and the movable turning plate can strike the head of the hot rolled bar so that the head falls off in the suspended drop section.
Optionally, the inner part of the steel passage section is provided with an inner cavity, and the cross section of the inner cavity is of a rectangular structure.
Optionally, the steel passage section includes a guide slot frame and a bottom flap, which is provided at the bottom of the guide slot frame and can be opened or closed by a driving part.
Optionally, the bottom turns over the board and includes integrated into one piece turns over the board horizontal segment and turns over the board inclined segment that turns over the board horizontal segment and be connected, turn over the board inclined segment set up in the lower extreme of entry loudspeaker section.
Optionally, the exit section is horn mouth structure, the top of exit section is provided with the observation hole, the observation hole is flip structure to through fastener locking.
As described above, the flying shear device for hot rolled bar of the present invention has the following advantageous effects:
through arranging the inclined step guide plate in the outlet guide groove, the cutting head can be effectively prevented from directly flying into the steel passing channel, the kinetic energy of the cutting head can be weakened after the cutting head collides with the step guide plate, the moving direction of the cutting head can be changed, or the starting height of the cutting head for flying into can be reduced, so that the cutting head can fall into the steel scrap hopper;
by arranging the inclined plane guide component in the outlet guide groove, the guide range and the side protection of the head of the rolled piece are increased, and accidents caused by the fact that the rolled piece sags due to gravity to strike the inclined plane guide lower edge and the rolled piece transversely passes through the guide groove can be effectively avoided.
Drawings
FIG. 1 is a schematic diagram of the overall structure of an embodiment of the present invention;
FIG. 2 is a top view of a portion of the structure of FIG. 1;
FIG. 3 is a schematic view of an outlet channel according to an embodiment of the present invention;
fig. 4 is a top view of fig. 3.
Description of the part reference numerals
100-flying shear mechanism; 200-inlet guide slots; 300-an outlet channel;
1-a support; 2-a guide slot body; 21-an inlet horn section; 21 a-the upper end of the inlet horn section; 21 b-the lower end of the inlet horn section; 22-a steel passage section; 221-a channel frame; 222-bottom flaps; 222 a-a flap horizontal segment; 222 b-flap tilting section; 23-suspending the falling section; 24-an inclined plane guide section; 25-an outlet section; 251-viewing aperture; 3-a driving part; 4-step guide plates; 5-a ramp guide assembly; 51-inclined plane guide plate; 52-extensions; 53-side guard plates; 54-reinforcing ribs; 6-a movable turning plate; 61-strike; 62-a limiting part; 7-limiting piece.
Detailed Description
Further advantages and effects of the present invention will become apparent to those skilled in the art from the disclosure of the present invention, which is described by the following specific examples.
It should be understood that the structures, proportions, sizes, etc. shown in the drawings are for illustration purposes only and should not be construed as limiting the invention to the extent that it can be practiced, since modifications, changes in the proportions, or otherwise, used in the practice of the invention, are not intended to be critical to the essential characteristics of the invention, but are intended to fall within the spirit and scope of the invention. Also, the terms such as "upper," "lower," "left," "right," "middle," and "a" and the like recited in the present specification are merely for descriptive purposes and are not intended to limit the scope of the invention, but are intended to provide relative positional changes or modifications without materially altering the technical context in which the invention may be practiced.
Referring to fig. 1 to 4, the present invention provides a flying shear device for hot rolled bar, comprising: the hot rolled bar hot rolling machine comprises a flying shear mechanism 100, an inlet guide groove 200 and an outlet guide groove 300, wherein an inlet end (namely, upstream before a rolled piece enters the flying shear mechanism 100) and an outlet end (namely, downstream after the rolled piece leaves the flying shear mechanism 100) are respectively arranged on two sides of the flying shear mechanism 100, the inlet guide groove 200 is arranged at the inlet end of the flying shear mechanism 100, the outlet guide groove 300 is arranged at the outlet end of the flying shear mechanism 100, after the hot rolled bar passes through the flying shear mechanism 100, the flying shear mechanism 100 cuts the hot rolled bar into a head, cuts the hot rolled bar into a tail and breaks the hot rolled bar, and the cut hot rolled bar needs to be cleaned at the outlet guide groove 300 so that the head can fall into a scrap steel hopper.
The outlet guide groove 300 comprises a support 1 and a guide groove body 2 arranged on the support 1, an inlet horn section 21, a steel passage section 22, a suspended drop section 23, an inclined plane guide section 24 and an outlet section 25 which are sequentially connected are arranged in the guide groove body 2, a step guide plate 4 is obliquely arranged at the inlet of the steel passage section 22, and an inclined plane guide assembly 5 is arranged at the inclined plane guide section 24.
Wherein, one end of the step guide plate 4 is connected with the inlet horn section 21, and the other end extends to the inside of the steel passage section 22. Specifically, the step guide plate 4 is arranged at the rear of the inlet horn section 21 and is positioned at the inlet of the steel passing channel section 22, the step guide plate 4 comprises at least two step plates, the step plates are mutually staggered and overlapped, by means of the inclined guide effect formed by the step guide plate 4 after the inlet horn section 21, the cutting head of a rolled piece can be effectively prevented from directly flying into the steel passing channel section 22, after the cutting head collides with the step guide plate 4, the kinetic energy of the cutting head can be weakened, the moving direction of the cutting head can be changed, or the starting height of the cutting head for flying into can be reduced, so that most of the cutting head directly falls into a scrap steel hopper due to the change of the moving direction after the cutting head collides with the step guide plate 4; after collision of a small part of the crop with the stepped guide plate 4, due to the reduction of the kinetic energy and the "fly-in" position, after entering the steel passage section 22, it falls into the scrap box receptacle before the fall-off section and the inclined guide section 24.
The inclined surface guide assembly 5 comprises an inclined surface guide plate 51 and a lateral guard plate 53, wherein the tail end of the inclined surface guide plate 51 is obliquely provided with an extension part 52, the extension part 52 extends towards the direction of the steel channel section 22, the lateral guard plate 53 is positioned on the extension part 52, and a reinforcing rib 54 is connected between the inclined surface guide plate 51 and the extension part 52. Specifically, the end of the inclined guide plate 51 is fixed to one side of the suspended drop section 23 through the extension portion 52, and the connection firmness between the inclined guide plate 51 and the extension portion 52 is enhanced through the reinforcing rib 54, so that the connection rigidity and stability between the inclined guide plate 51 and the extension portion 52 can be ensured.
And, still be provided with the side shield 53 on the extension 52, through setting up extension 52 and side shield 53, increased the direction scope and the side protection of rolled piece head, can effectively avoid the rolled piece to drop down because of gravity and strike the lower edge of inclined plane deflector 51 to and the accident that the rolled piece transversely wears out the export guide 300 and causes.
In some embodiments, the suspended drop section 23 is a suspended section disposed on the bottom of the steel passage section 22, and the inclined guide plate 51 is disposed on a side of the suspended section near the outlet section 25 through the extension 52. Specifically, the suspended drop section 23 is used to drop a crop or the like below the drop section.
And, the top of unsettled section of falling 23 is provided with rotatable activity and turns over board 6, activity turns over board 6 can strike the crop of hot rolled rod so that the crop falls in unsettled section of falling 23. Specifically, the movable turning plate 6 is provided with an impact part 61 and a limit part 62, the joint of the limit part 62 and the impact part 61 is fixed on the inner wall of the guide groove body 2 through a rotating shaft, a set angle is formed between the limit part 62 and the impact part 61, a limit piece 7 for limiting the position of the limit part 62 is arranged on the guide groove body 2 so as to limit the rotating angle of the movable turning plate 6, and the limit part 62 can only move in the set area of the limit piece 7; the impact part 61 is used for impacting with the cutting head of the rolled piece so as to weaken the kinetic energy of the cutting head after impacting and ensure that the cutting head falls off in a falling section.
In some embodiments, the inlet of the inlet bell section 21 is in a rectangular bell mouth configuration, and the inlet bell section 21 has a lower slope that is greater than an upper slope. Wherein the lower end of the inlet bell section 21 is more inclined than the upper end thereof, which facilitates improved guiding, and guides the rolled stock back through the steel channel section 22 even if the sheared rolled stock has a slight head-down. The upper end and the lower end of the inlet horn section 21 are both in an opening structure.
In some embodiments, the interior of the channel section 22 has an interior cavity with a rectangular cross-section. In particular, the inner cavity is convenient for the rolled piece to pass through, and the rectangular structure of the inner cavity is suitable for the shape of the rolled piece.
Wherein the steel passage section 22 comprises a guide groove frame 221 and a bottom turning plate 222, wherein the bottom turning plate 222 is arranged at the bottom of the guide groove frame 221 and can be opened or closed under the action of the driving part 3. Specifically, the bottom flap 222 is driven to be opened or closed by the driving part 3, and the driving part 3 may adopt a driving cylinder or an oil cylinder, etc. The bottom flap 222 includes an integrally formed flap horizontal section 222a and a flap inclined section 222b connected to the flap horizontal section 222a, and the flap inclined section 222b is disposed at the lower end of the inlet horn section 21. When the rolled piece is cut, the bottom turning plate 222 is driven by the driving part 3 to be closed, and an inclined guide groove is formed through the turning plate inclined section 222b, so that the rolled piece is guided to enter the inner cavity of the steel passing channel section 22 through the inclined guide groove; when the rolled piece is broken, the bottom turning plate 222 is driven by the driving part 3 to open, so that the broken piece is convenient to drop, and meanwhile, the broken piece is prevented from entering the inclined guide groove.
In some embodiments, the outlet section 25 is flared so as to facilitate accurate guidance of the product exiting the pass through section 22 through the flare.
And, the top of the outlet section 25 is provided with a viewing hole 251, and the viewing hole 251 is in a flip structure and is locked by a fastener. The observation hole 251 can be set to be square, round and the like according to requirements, and the observation hole 251 is arranged to be in a flip structure, so that operators can observe the conditions of internal rolled pieces and accident handling conveniently.
In summary, in the flying shear device for hot rolled bars provided by the embodiment of the invention, by arranging the inclined step guide plate in the outlet guide groove, the cutting head can be effectively prevented from directly flying into the steel passing channel, and after the cutting head collides with the step guide plate, the kinetic energy of the cutting head can be weakened, the moving direction of the cutting head can be changed, or the starting height of the cutting head for flying into can be reduced, so that the cutting head can fall into the steel scrap hopper; by arranging the inclined plane guide component in the outlet guide groove, the guide range and the side protection of the head of the rolled piece are increased, and accidents caused by the fact that the rolled piece sags due to gravity to strike the inclined plane guide lower edge and the rolled piece transversely passes through the guide groove can be effectively avoided.
The above embodiments are merely illustrative of the principles of the present invention and its effectiveness, and are not intended to limit the invention. Modifications and variations may be made to the above-described embodiments by those skilled in the art without departing from the spirit and scope of the invention. Accordingly, it is intended that all equivalent modifications and variations of the invention be covered by the claims, which are within the ordinary skill of the art, be within the spirit and scope of the present disclosure.
Claims (7)
1. A flying shear device for hot rolling bar stock, comprising:
the flying shear mechanism is provided with an inlet end and an outlet end at two sides thereof respectively;
an inlet guide groove is arranged at the inlet end of the flying shear mechanism;
the guide groove comprises a support and a guide groove body arranged on the support, an inlet horn section, a steel passage section, a suspended falling section, an inclined plane guide section and an outlet section which are sequentially connected are arranged in the guide groove body, a step guide plate is obliquely arranged at the inlet of the steel passage section, one end of the step guide plate is connected with the inlet horn section, and the other end of the step guide plate extends towards the inside of the steel passage section; the step guide plate comprises at least two step plates, and the step plates are mutually staggered and overlapped; the inclined plane direction section department is provided with inclined plane direction subassembly, inclined plane direction subassembly includes inclined plane deflector and side direction backplate, the terminal slope of inclined plane deflector is provided with the extension, the extension extends towards the direction of steel passageway section, side direction backplate is located the extension, be connected with the stiffening rib between inclined plane deflector and the extension, unsettled section of falling does unsettled section of section that sets up on the steel passageway section bottom, the inclined plane deflector passes through the extension and sets up in unsettled section one side that is close to the export section.
2. The flying shear device for hot rolled bar as claimed in claim 1, wherein: the inlet of the inlet horn section is of a rectangular horn mouth structure, and the inclination of the lower end of the inlet horn section is larger than that of the upper end.
3. The flying shear device for hot rolled bar as claimed in claim 1, wherein: the upper part of the suspended falling section is provided with a rotatable movable turning plate, and the movable turning plate can strike the head of the hot rolled bar so that the head falls off in the suspended falling section.
4. The flying shear device for hot rolled bar as claimed in claim 1, wherein: the inside of the steel passage section is provided with an inner cavity, and the cross section of the inner cavity is of a rectangular structure.
5. The flying shear device for hot rolled bar according to claim 1 or 4, wherein: the steel passage section comprises a guide groove frame and a bottom turning plate, wherein the bottom turning plate is arranged at the bottom of the guide groove frame and can be opened or closed under the action of a driving part.
6. The flying shear device for hot rolled bar as claimed in claim 5, wherein: the bottom turning plate comprises a turning plate horizontal section and a turning plate inclined section, wherein the turning plate horizontal section is integrally formed, the turning plate inclined section is connected with the turning plate horizontal section, and the turning plate inclined section is arranged at the lower end of the inlet horn section.
7. The flying shear device for hot rolled bar as claimed in claim 1, wherein: the outlet section is of a horn mouth structure, an observation hole is formed in the top of the outlet section, and the observation hole is of a flip structure and is locked through a fastener.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111349898.XA CN114042766B (en) | 2021-11-15 | 2021-11-15 | Flying shear device for hot rolled bar |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111349898.XA CN114042766B (en) | 2021-11-15 | 2021-11-15 | Flying shear device for hot rolled bar |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114042766A CN114042766A (en) | 2022-02-15 |
| CN114042766B true CN114042766B (en) | 2023-09-19 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111349898.XA Active CN114042766B (en) | 2021-11-15 | 2021-11-15 | Flying shear device for hot rolled bar |
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| Country | Link |
|---|---|
| CN (1) | CN114042766B (en) |
Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1474437A (en) * | 1973-07-02 | 1977-05-25 | Morgan Construction Co | Apparatus for cropping and/or dividing rod delivered from a rolling mill |
| US5857370A (en) * | 1996-03-22 | 1999-01-12 | Sms Schloemann-Siemag Ag | Method of and apparatus for the trimming of leading and/or end portions of rolled products |
| US6070510A (en) * | 1993-11-30 | 2000-06-06 | Danieli & C. Officine Meccaniche Spa | High-speed flying shears and method employing this flying shears to shear the leading and trailing ends of a rolling bar |
| KR20030006137A (en) * | 2001-07-11 | 2003-01-23 | 주식회사 포스코 | Excluding apparatus of residual scrap on double cut shear |
| CN201900130U (en) * | 2010-12-07 | 2011-07-20 | 福建三钢闽光股份有限公司 | Flying shear switching machine |
| CN202114340U (en) * | 2011-05-19 | 2012-01-18 | 武汉钢铁(集团)公司 | Head/tail splitting device for splitting rolling purpose |
| CN202893835U (en) * | 2012-10-24 | 2013-04-24 | 新疆八一钢铁股份有限公司 | Bar line unit 2# pre-shearing rolled piece anti-twisting device |
| CN103464821A (en) * | 2013-09-11 | 2013-12-25 | 江苏联峰能源装备有限公司 | Flying shear |
| CN203887098U (en) * | 2014-05-30 | 2014-10-22 | 济钢集团有限公司 | Small bar cutter head flying shearing rear running groove device |
| CN205309432U (en) * | 2016-02-02 | 2016-06-15 | 江苏沙钢集团有限公司 | Small -size rod finished product segmentation flying shear that bending apparatus is prevented at some both ends is cuted in area |
| CN208261970U (en) * | 2018-04-18 | 2018-12-21 | 江阴兴澄合金材料有限公司 | A kind of flying shear outlet device |
-
2021
- 2021-11-15 CN CN202111349898.XA patent/CN114042766B/en active Active
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1474437A (en) * | 1973-07-02 | 1977-05-25 | Morgan Construction Co | Apparatus for cropping and/or dividing rod delivered from a rolling mill |
| US6070510A (en) * | 1993-11-30 | 2000-06-06 | Danieli & C. Officine Meccaniche Spa | High-speed flying shears and method employing this flying shears to shear the leading and trailing ends of a rolling bar |
| US5857370A (en) * | 1996-03-22 | 1999-01-12 | Sms Schloemann-Siemag Ag | Method of and apparatus for the trimming of leading and/or end portions of rolled products |
| KR20030006137A (en) * | 2001-07-11 | 2003-01-23 | 주식회사 포스코 | Excluding apparatus of residual scrap on double cut shear |
| CN201900130U (en) * | 2010-12-07 | 2011-07-20 | 福建三钢闽光股份有限公司 | Flying shear switching machine |
| CN202114340U (en) * | 2011-05-19 | 2012-01-18 | 武汉钢铁(集团)公司 | Head/tail splitting device for splitting rolling purpose |
| CN202893835U (en) * | 2012-10-24 | 2013-04-24 | 新疆八一钢铁股份有限公司 | Bar line unit 2# pre-shearing rolled piece anti-twisting device |
| CN103464821A (en) * | 2013-09-11 | 2013-12-25 | 江苏联峰能源装备有限公司 | Flying shear |
| CN203887098U (en) * | 2014-05-30 | 2014-10-22 | 济钢集团有限公司 | Small bar cutter head flying shearing rear running groove device |
| CN205309432U (en) * | 2016-02-02 | 2016-06-15 | 江苏沙钢集团有限公司 | Small -size rod finished product segmentation flying shear that bending apparatus is prevented at some both ends is cuted in area |
| CN208261970U (en) * | 2018-04-18 | 2018-12-21 | 江阴兴澄合金材料有限公司 | A kind of flying shear outlet device |
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|---|---|
| CN114042766A (en) | 2022-02-15 |
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