CN109158692B - Fixing framework of flying shear blade - Google Patents
Fixing framework of flying shear blade Download PDFInfo
- Publication number
- CN109158692B CN109158692B CN201811249173.1A CN201811249173A CN109158692B CN 109158692 B CN109158692 B CN 109158692B CN 201811249173 A CN201811249173 A CN 201811249173A CN 109158692 B CN109158692 B CN 109158692B
- Authority
- CN
- China
- Prior art keywords
- pressing block
- pin shaft
- blade
- cutter head
- hole
- 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.)
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Links
- 238000003825 pressing Methods 0.000 claims abstract description 46
- 238000009434 installation Methods 0.000 claims description 12
- 238000001125 extrusion Methods 0.000 claims description 5
- 230000009471 action Effects 0.000 claims description 2
- 230000006872 improvement Effects 0.000 description 7
- 229910000831 Steel Inorganic materials 0.000 description 2
- 206010000496 acne Diseases 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000005096 rolling process Methods 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 208000010392 Bone Fractures Diseases 0.000 description 1
- 239000004484 Briquette Substances 0.000 description 1
- 206010017076 Fracture Diseases 0.000 description 1
- 230000006978 adaptation Effects 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000010008 shearing Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23D—PLANING; SLOTTING; SHEARING; BROACHING; SAWING; FILING; SCRAPING; LIKE OPERATIONS FOR WORKING METAL BY REMOVING MATERIAL, NOT OTHERWISE PROVIDED FOR
- B23D35/00—Tools for shearing machines or shearing devices; Holders or chucks for shearing tools
- B23D35/002—Means for mounting the cutting members
- B23D35/004—Means for mounting the cutting members for circular cutting members
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Excavating Of Shafts Or Tunnels (AREA)
Abstract
The invention relates to a fixing framework of a flying shear blade, which comprises a cutter head body, a blade, a pin roll, a pressing block and a fastening bolt, wherein the cutter head body is provided with a mounting notch of the blade and the pressing block, the blade is positioned in the mounting notch of the blade through pressing of the pressing block, the pin roll is sleeved on the cutter head body, the pin roll is positioned under the pressing block, and the pressing block is fixedly connected with the pin roll through the fastening bolt. The flying shear blade can be safely and effectively fixedly installed for a long time through the assistance of the pressing block, the pin shaft, the cutter head body and the fastening bolt.
Description
Technical Field
The invention relates to the technical field of steel rolling equipment, in particular to a circle shear mechanism of a finishing mill group, and especially relates to a fixing framework of a flying shear blade.
Background
In the production process of the high-speed wire rod, the temperature of the head of the wire rod is reduced after passing through water for cooling, a phenomenon of blackheads exists, and in order to prevent the blackheads from entering a finishing mill to slip and overflow, flying shears are required to be arranged in front of the finishing mill group to shear the steel bars at the head of the wire rod, wherein the disc shears have the advantages of small volume and high shearing precision and are widely applied. However, in the existing blade fastening structure (the blade is pressed by the pressing block, and the bolt is fixed on the cutter head body by the pressing block), the size of the bolt is shaped, along with the increase of the rolling proportion of the large-specification and high-hardness wire rod, the breaking frequency of the bolt is higher, and the broken bolt is difficult to take out from the cutter head, so that a new technical scheme is urgently needed to solve the technical problems.
Disclosure of Invention
The invention aims to provide a fixing framework of a flying shear blade, wherein the framework improves the existing blade fixing structure, and a pin roll is added on a cutter head to fix the blade, so that the convenience of replacing a blade bolt is effectively improved.
In order to achieve the above purpose, the technical scheme includes that the fixing framework of the flying shear blade comprises a cutter head body, blades, a pin roll, a pressing block and a fastening bolt, wherein the cutter head body is provided with mounting notches of the blades and the pressing block, the blades are positioned in the mounting notches of the blades through pressing of the pressing block, the pin roll is sleeved on the cutter head body, the pin roll is located under the pressing block, and the pressing block is fixedly connected with the pin roll through the fastening bolt.
As an improvement of the invention, a pin shaft mounting hole is formed in the lower part of the cutter head body, which is positioned at the mounting notch, and the pin shaft is sleeved in the pin shaft mounting hole.
As an improvement of the invention, the pressing block is provided with the through hole, the pin shaft is provided with the threaded hole, the cutter head body is provided with the through hole, the through hole on the pressing block corresponds to the threaded hole on the pin shaft and the through hole on the cutter blade body, and the fastening bolt sequentially passes through the through holes on the pressing block and the cutter head body and is connected to the threaded hole of the pin shaft in a threaded manner.
As an improvement of the invention, a threaded blind hole is formed at the end part of the pin shaft.
As an improvement of the invention, the length of the pin shaft is consistent with the thickness of the cutter head body, namely the pin shaft mounting hole penetrates through the cutter head body.
As an improvement of the invention, the contact surface of the blade and the pressing block is an inclined surface, the contact surface between the blade and the side wall of the installation notch is a vertical plane, the bottom of the blade is provided with a bayonet, the blade is clamped on the installation notch through the bayonet, and then the blade is stably installed in the installation notch through the extrusion action of the pressing block and the side wall of the installation notch.
As an improvement of the cutter head, the number of the fastening bolts is 2, 2 through holes are formed in the pressing block, 2 threaded holes are formed in the pin shaft, and the center distance of the through holes in the pressing block and the center distance of the threaded holes in the pin shaft are consistent with the center distance of the through holes in the cutter head body.
As an improvement of the present invention, the fastening bolt has a size of M16 x 120.
Compared with the prior art, the blade fixing framework has the advantages that the whole structure design is ingenious, the structure is simple and reliable, the flying shear blade can be safely and effectively fixedly installed for a long time through the assistance of the pressing block, the pin shaft, the cutter head body and the fastening bolt, in addition, the pin shaft is sleeved on the cutter head body, the fastening bolt is in threaded connection with the pin shaft, the end part of the pin shaft is provided with a threaded blind hole, even if the fastening bolt breaks, the fastening bolt breaks at the pin shaft, and when the fastening bolt breaks, the pin shaft can be quickly pulled out of the cutter head body through the threaded blind hole, so that the pin shaft can be replaced, and the purpose of quickly and conveniently replacing the blade fastening bolt is achieved.
Drawings
Fig. 1 is a schematic structural view of a conventional flying shear blade fixing structure.
Fig. 2 is an a-direction cross-sectional view of the flying shear blade fixing structure of fig. 1.
Fig. 3 is a schematic structural view of a blade fixing structure of the flying shears according to the present invention.
Fig. 4 is an a-direction cross-sectional view of the flying shear blade securing structure of fig. 3.
Fig. 5 is a schematic view of a cutter body of the flying shear blade fixing structure of the present invention.
Fig. 6 is a schematic view of a blade structure of the flying shear blade fixing structure of the present invention.
Fig. 7 is a second schematic view of a blade structure of the flying shear blade fixing structure of the present invention.
Fig. 8 is a schematic view of a pin structure of the blade fixing structure of the flying shears according to the present invention.
Fig. 9 is a schematic diagram of a briquette structure of a blade fixing structure of a flying shear according to the present invention.
Fig. 10 is a schematic diagram of a pressing block structure of the blade fixing structure of the flying shear of the present invention.
In the figure: 1-cutterhead body, 2-blade, 3-pin shaft, 4-briquetting, 5-fastening bolt and 6-threaded blind hole.
Detailed Description
The present invention is further described and illustrated below in conjunction with the accompanying drawings in order to enhance the understanding and appreciation of the invention.
As shown in fig. 3-10, a fixing framework of a flying shear blade comprises a cutter head body 1, a blade 2, a pin shaft 3, a pressing block 4 and a fastening bolt 5, wherein the cutter head body 1 is provided with a mounting notch of the blade 2 and the pressing block 4, the blade 2 is positioned in the mounting notch of the blade 2 through extrusion of the pressing block 4, the pin shaft 3 is sleeved on the cutter head body 1, the pin shaft 3 is positioned under the pressing block 4, and the pressing block 4 is fixedly connected with the pin shaft 3 through the fastening bolt 5.
The cutter head comprises a cutter head body 1, a cutter head cover and a cutter head cover, wherein a pin shaft mounting hole is formed in the lower portion of the cutter head body 1, the lower portion of the cutter head body is located at a mounting notch, the pin shaft mounting hole is a through hole, and a pin shaft 3 is sleeved in the pin shaft mounting hole.
Preferably, the length of the pin shaft 3 is consistent with the thickness of the cutterhead body 1, namely, the pin shaft mounting hole penetrates through the cutterhead body 1.
In addition, a threaded blind hole 6 is formed in the end portion of the pin shaft 3, the threaded blind hole 6 is located on the outer side of the cutter head body 1, when the fastening bolt 5 breaks, the pin shaft 3 can be quickly pulled out of the cutter head body 1 by connecting the bolt on the threaded blind hole 6, and therefore the pin shaft 3 is replaced, and the purpose of quickly and conveniently replacing the fastening bolt 5 of the cutter blade 2 is further achieved.
Further, the pressing block 4 is provided with a through hole, the pin shaft 3 is provided with a threaded hole, the cutter head body 1 is provided with a through hole, the through hole on the pressing block 4 corresponds to the threaded hole on the pin shaft 3 and the through hole on the blade 2 body, and the fastening bolt 5 sequentially penetrates through the through holes on the pressing block 4 and the cutter head body 1 and is connected to the threaded hole of the pin shaft 3 in a threaded manner.
Still further, the contact surface of blade 2 and briquetting 4 is the inclined plane, and the contact surface between blade 2 and the installation notch lateral wall is vertical plane, and the bayonet socket has been seted up to the bottom of blade 2, and blade 2 establishes on the installation notch through the bayonet socket card earlier, then through briquetting 4 and the extrusion effect of installation notch lateral wall and install in the installation notch steadily.
Furthermore, the number of the fastening bolts 5 is 2, 2 through holes are formed in the pressing block 4, 2 threaded holes are formed in the pin shaft 3, and the center distance of the through holes in the pressing block 4 and the center distance of the threaded holes in the pin shaft 3 are consistent with the center distance of the through holes in the cutter head body 1.
Preferably, the size of the fastening bolt 5 is M16 x 120, and the size of the fastening bolt 5 is improved compared to the size M12 x 70 of the existing fastening bolt 5, and the fracture risk of the fastening bolt 5 is also greatly reduced.
The technical means disclosed by the scheme of the invention is not limited to the technical means disclosed by the embodiment, and also comprises the technical scheme formed by any combination of the technical features. It should be noted that modifications and adaptations to the invention may occur to one skilled in the art without departing from the principles of the present invention and are intended to be within the scope of the present invention.
Claims (7)
1. A fixed framework of flying shear blade, its characterized in that: the cutter head comprises a cutter head body, blades, a pin shaft, a pressing block and a fastening bolt, wherein the cutter head body is provided with a mounting notch of the blades and the pressing block, the blades are positioned in the mounting notch of the blades through pressing block extrusion, the pin shaft is sleeved on the cutter head body, the pin shaft is positioned right below the pressing block, and the pressing block is fixedly connected with the pin shaft through the fastening bolt;
the cutter head is characterized in that a pin shaft mounting hole is formed in the lower portion of the cutter head body, which is located at the mounting notch, the pin shaft mounting hole is a through hole, and the pin shaft is sleeved in the pin shaft mounting hole.
2. The frame for fixing the flying shear blade according to claim 1, wherein the pressing block is provided with a through hole, the pin shaft is provided with a threaded hole, the cutter head body is provided with a through hole, the through hole on the pressing block corresponds to the threaded hole on the pin shaft and the through hole on the blade body, and the fastening bolt sequentially penetrates through the through holes on the pressing block and the cutter head body and is connected to the threaded hole of the pin shaft in a threaded manner.
3. The flying shear blade mounting structure of claim 2, wherein the pin has a blind threaded hole formed in an end thereof.
4. A flying shear blade mounting structure as claimed in claim 3 wherein the length of the pin is consistent with the thickness of the cutterhead body.
5. The fixing structure of the flying shear blade according to claim 4, wherein the contact surface of the blade and the pressing block is an inclined surface, the contact surface between the blade and the side wall of the installation notch is a vertical plane, the bottom of the blade is provided with a bayonet, the blade is clamped on the installation notch through the bayonet, and then the blade is stably installed in the installation notch through the extrusion action of the pressing block and the side wall of the installation notch.
6. The fixing frame of the flying shear blade according to claim 5, wherein the number of the fastening bolts is 2, 2 through holes are formed in the pressing block, 2 threaded holes are formed in the pin shaft, and the center distance of the through holes in the pressing block and the center distance of the threaded holes in the pin shaft are consistent with the center distance of the through holes in the cutter head body.
7. The flying shear blade holding structure of claim 6, wherein the fastening bolts have a size of m16×120.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811249173.1A CN109158692B (en) | 2018-10-25 | 2018-10-25 | Fixing framework of flying shear blade |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811249173.1A CN109158692B (en) | 2018-10-25 | 2018-10-25 | Fixing framework of flying shear blade |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109158692A CN109158692A (en) | 2019-01-08 |
| CN109158692B true CN109158692B (en) | 2024-03-19 |
Family
ID=64875302
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811249173.1A Active CN109158692B (en) | 2018-10-25 | 2018-10-25 | Fixing framework of flying shear blade |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109158692B (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3906827A (en) * | 1973-04-21 | 1975-09-23 | Schloemann Siemag Ag | Flying shear |
| US4394829A (en) * | 1981-10-13 | 1983-07-26 | Artos Engineering Company | Flying shear for metal strip stock |
| US5125144A (en) * | 1989-05-11 | 1992-06-30 | Clark Brian J | Extractor for broken-off taps and the like and method of extracting same |
| CN202045406U (en) * | 2011-01-07 | 2011-11-23 | 马鞍山市联达机械有限责任公司 | Mechanism for adjusting side gap of shearing blade of crank flying shear |
| CN207750321U (en) * | 2017-11-21 | 2018-08-21 | 四川益巨交通工程有限责任公司 | A kind of connector and the connection structure for possessing the connector |
| CN209363733U (en) * | 2018-10-25 | 2019-09-10 | 张家港联峰钢铁研究所有限公司 | A kind of fixation framework of flying shear blade |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP2671656B1 (en) * | 2012-06-09 | 2018-11-07 | Heule Werkzeug AG | Deburring tool for deburring edges of boreholes |
-
2018
- 2018-10-25 CN CN201811249173.1A patent/CN109158692B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3906827A (en) * | 1973-04-21 | 1975-09-23 | Schloemann Siemag Ag | Flying shear |
| US4394829A (en) * | 1981-10-13 | 1983-07-26 | Artos Engineering Company | Flying shear for metal strip stock |
| US5125144A (en) * | 1989-05-11 | 1992-06-30 | Clark Brian J | Extractor for broken-off taps and the like and method of extracting same |
| CN202045406U (en) * | 2011-01-07 | 2011-11-23 | 马鞍山市联达机械有限责任公司 | Mechanism for adjusting side gap of shearing blade of crank flying shear |
| CN207750321U (en) * | 2017-11-21 | 2018-08-21 | 四川益巨交通工程有限责任公司 | A kind of connector and the connection structure for possessing the connector |
| CN209363733U (en) * | 2018-10-25 | 2019-09-10 | 张家港联峰钢铁研究所有限公司 | A kind of fixation framework of flying shear blade |
Also Published As
| Publication number | Publication date |
|---|---|
| CN109158692A (en) | 2019-01-08 |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| TA01 | Transfer of patent application right | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20231116 Address after: Yonglian, Nanfeng Town, Zhangjiagang City, Suzhou City, Jiangsu Province Applicant after: JIANGSU YONGGANG GROUP Co.,Ltd. Address before: 215600 Zhangjiagang Lianfeng Iron and Steel Research Institute Co., Ltd., Yonglian Village, Nanfeng Town, Zhangjiagang City, Suzhou City, Jiangsu Province Applicant before: ZHANGJIAGANG LIANFENG STEEL INSTITUTE Co.,Ltd. |
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| GR01 | Patent grant | ||
| GR01 | Patent grant |