CN111331196A - Automatic replacing device for hot sectional shear blades of medium plate - Google Patents
Automatic replacing device for hot sectional shear blades of medium plate Download PDFInfo
- Publication number
- CN111331196A CN111331196A CN202010230100.9A CN202010230100A CN111331196A CN 111331196 A CN111331196 A CN 111331196A CN 202010230100 A CN202010230100 A CN 202010230100A CN 111331196 A CN111331196 A CN 111331196A
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- China
- Prior art keywords
- cutting edge
- fixedly connected
- fixed frame
- fixed
- tool apron
- 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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- 238000005520 cutting process Methods 0.000 claims abstract description 46
- 238000006073 displacement reaction Methods 0.000 claims abstract description 4
- 238000010008 shearing Methods 0.000 abstract description 21
- 238000012423 maintenance Methods 0.000 abstract description 4
- 238000000034 method Methods 0.000 description 5
- 238000004519 manufacturing process Methods 0.000 description 3
- 238000002360 preparation method Methods 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000004568 cement Substances 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005098 hot rolling Methods 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
Images
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
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Accessories And Tools For Shearing Machines (AREA)
Abstract
The invention discloses an automatic replacing device for a hot-section shearing edge of a medium plate, which comprises a rack, wherein a shearing part is transversely arranged along the rack, one end of the shearing part is detachably and fixedly connected with the rack through a shearing edge locking device, the other end of the shearing part is fixedly connected with a drawing device, and the transverse displacement of the shearing part is limited through the transverse movement of the drawing device; the device is characterized by further comprising a fixed frame which is axially fixed along the rack, the fixed frame is fixedly connected with a special hanging bracket, and the fixed frame is in clearance fit with the special hanging bracket. The invention changes the traditional cutting edge replacing mode, simultaneously, the whole structure adopts a detachable structure, the original mode of completely replacing the cutting edge by a crown block and an operator is changed into the mode of replacing the cutting edge by a hydraulic device, and the cutting edge is replaced by a manual auxiliary mode, thereby reducing the maintenance time and improving the working efficiency.
Description
Technical Field
The invention belongs to the technical field of metallurgical medium plate rolling lines, and particularly relates to an automatic replacing device for a hot sectional cutting edge of a medium plate.
Background
In recent years, in order to improve the production efficiency and reduce the labor intensity of operators, the maintenance and overhaul time of the equipment is shortened as much as possible under the condition of ensuring the performance of the equipment, so that the requirement of producing the ton steel per year by people of enterprises is met. Because the hot sectional shear belongs to one of important equipment in the hot rolling medium plate production line, and the use frequency is very high, the length and the convenience of the change time of the shear blade have absolute influence on the shutdown maintenance time of the whole production line.
Disclosure of Invention
The invention aims to provide an automatic replacing device for a hot section cutting edge of a medium plate, which changes the traditional cutting edge replacing mode, simultaneously adopts a detachable structure as a whole, changes the original mode of completely depending on an overhead traveling crane and an operator to the mode of completely depending on the replacement of the cutting edge by a hydraulic device, changes the mode of manually assisting the replacement of the cutting edge, reduces the maintenance time and improves the working efficiency.
The invention adopts the technical scheme that the automatic replacing device for the hot-section cutting edge of the medium plate comprises a rack, wherein a cutting part is transversely arranged along the rack, one end of the cutting part is detachably and fixedly connected with the rack through a cutting edge locking device, the other end of the cutting part is fixedly connected with a drawing device, and the transverse displacement of the cutting part is limited through the transverse movement of the drawing device;
the device is characterized by further comprising a fixed frame which is axially fixed along the rack, the fixed frame is fixedly connected with a special hanging bracket, and the fixed frame is in clearance fit with the special hanging bracket.
The invention is also characterized in that:
the shearing part comprises an upper cutter holder and a lower cutter holder which are symmetrically arranged at two ends of the rack respectively, one end of the upper cutter holder and one end of the lower cutter holder are fixedly connected with the rack through a shearing edge locking device, the other ends of the upper cutter holder and the lower cutter holder are fixedly connected with a drawing device, and shearing edges are fixedly arranged on the upper cutter holder and the lower cutter holder respectively.
The drawing device comprises two fixed hooks, one ends of the two fixed hooks are fixedly connected with the upper tool apron and the lower tool apron respectively, the other ends of the two fixed hooks are connected with a movable hook in a hanging mode, and one end of the movable hook, which deviates from the fixed hooks, is fixedly connected with a hydraulic device.
A fixed track is transversely arranged in the fixed frame, a trolley is connected to the fixed track in a sliding mode, and the trolley is fixedly connected with the hydraulic device.
The outer side of the special hanging bracket is provided with a lifting hook.
The fixed frame is provided with a fixed frame sliding block, the special hanging bracket is provided with a special hanging bracket sliding block, and the fixed frame sliding block and the special hanging bracket sliding block are mutually nested.
The gap distance was 30 mm.
The invention has the beneficial effects that:
according to the automatic replacing device for the hot section cutting edge of the medium plate, the original method that the cutting edge is replaced completely by depending on a crown block and an operator is changed into the method that the cutting edge is replaced by being driven by a hydraulic cylinder in a manual auxiliary mode, and the purpose of automatically replacing the cutting edge is basically achieved. Through the slide rail, utilize pneumatic cylinder drive couple with upper and lower shear blade pull out simultaneously or push hydraulic pressure and cut the frame, saved a large amount of manpowers and time. The hydraulic shear blade is simple in structure, easy to implement, convenient to operate, convenient to replace, safe, reliable, novel in concept, obvious in effect, time-saving, labor-saving and high in popularization value, a lifting hook is arranged on the outer side of the special lifting frame, the special lifting frame and a sliding block between the fixed frame are in clearance fit with each other in order to facilitate dismounting and hoisting, the clearance distance is 30mm, on one hand, the special lifting frame can be effectively limited mutually, and on the other hand, when the special lifting frame is hoisted, the special lifting frame is convenient to separate from the fixed frame.
Drawings
FIG. 1 is a schematic view of the working state of an automatic replacing device for the hot section cutting edge of a medium plate according to the present invention;
FIG. 2 is a top view of an automatic replacing device for hot section cutting edges of medium plate according to the present invention;
FIG. 3 is a cross-sectional view of the upper tool holder and cutting edge of FIG. 1;
FIG. 4 is a cross-sectional view of the lower tool holder and cutting edge of FIG. 1;
FIG. 5 is a cross-sectional view of the automatic blade changing device for hot section of medium plate in FIG. 1;
fig. 6 is a schematic view of a fixed frame structure.
In the figure: 1. the device comprises an upper tool apron, a lower tool apron, a fixed frame, a special hanger, a fixed hook, a movable hook, a hydraulic device, a fixed rail, a trolley, a rack, a shear blade locking device, a shear blade, a fixed frame sliding block, a fixed hanger, a movable hanger, a fixed hanger, a.
Detailed Description
The present invention will be described in detail below with reference to the accompanying drawings and specific embodiments.
The invention relates to an automatic replacing device for a hot section cutting edge of a medium plate, which comprises a rack 11, wherein a cutting part is transversely arranged along the rack 11, one end of the cutting part is detachably and fixedly connected with the rack 11 through a cutting edge locking device 12, the other end of the cutting part is fixedly connected with a drawing device, and the transverse displacement of the cutting part is limited through the transverse movement of the drawing device; still include along 11 axial fixings of frame set up fixed frame, the fixed frame rigid coupling has special gallows, fixed frame and special gallows clearance fit, and the clearance distance is 30 mm. The shearing part comprises an upper cutter holder and a lower cutter holder which are symmetrically arranged at two ends of the rack 11 respectively, one end of the upper cutter holder and one end of the lower cutter holder are fixedly connected with the rack 11 through a shearing blade locking device 12, the other ends of the upper cutter holder and the lower cutter holder are fixedly connected with a drawing device, and a shearing blade 13 is fixedly arranged on the upper cutter holder and the lower cutter holder respectively. The drawing device comprises two fixed hooks, one ends of the two fixed hooks are fixedly connected with the upper tool apron and the lower tool apron respectively, the other ends of the two fixed hooks are connected with a movable hook in a hanging mode, and one end of the movable hook, which deviates from the fixed hooks, is fixedly connected with a hydraulic device.
As shown in fig. 6, a fixed track is transversely arranged in the fixed frame, a trolley 10 is slidably connected to the fixed track, the trolley 10 is fixedly connected to the hydraulic device 8, wherein the hydraulic device 8 comprises a hydraulic cylinder and a hydraulic rod, the hydraulic cylinder can push the hydraulic rod to move transversely, and the hydraulic rod is connected to the trolley 10 and the fixed hook.
As shown in fig. 5, the outside of the special hanger is provided with a hook 17. The fixed frame is provided with a fixed frame sliding block 14, the special hanging bracket is provided with a special hanging bracket sliding block 15, and the fixed frame sliding block 14 and the special hanging bracket sliding block 15 are mutually nested.
The operation process of the invention is as follows: including preparation work and replacement process, wherein, preparation work includes:
1) adjusting the opening degree of the upper and lower shear blades 13 to the maximum opening degree;
2) adjusting the side clearance of the upper and lower shear blades 13 to 2 mm;
3) loosening the shear blade locking device 12;
the replacement process comprises the following steps:
1) a belt trolley 10 is pushed in through a fixed rail 9 on a fixed frame 3 by a hydraulic device 8 and approaches to a fixed hook 5 on a rack 11;
2) the movable hook 6 is swung down by manual assistance and is connected with the fixed hook 5;
3) the hydraulic device 8 moves reversely to pull out the shearing part, and at the moment, the shearing part falls on the trolley 10;
4) the trolley 10 is pulled out by means of the hydraulic device 8 through the fixed rails 9 on the fixed frame 3 to the position of fig. 2;
5) the movable hook 6 is lifted up by manual assistance and separated from the fixed hook 5;
6) hoisting a special hoisting frame 4, an upper tool apron 1, a lower tool apron 2, an upper shearing blade 13 and a lower shearing blade 13 onto the cement ground from a fixed frame 7) by a crown block, then manually loosening the upper shearing blade 13 and the lower shearing blade 13 on the special hoisting frame 4 to be screwed with the upper tool apron 1 and the lower tool apron 2, and manually or by a crown block to independently hoist the shearing blades for grinding;
8) hoisting the spare shearing blade parts to a special hoisting frame, and manually screwing the shearing blades and the handle bolts of the upper tool apron 1 and the lower tool apron 2;
9) the crown block transfers the special hanger 4, the upper tool apron 1, the lower tool apron 2, the upper and lower shear blades 13 into the fixed frame 3;
10) the hydraulic device 8 drives the trolley 10 to return, and the cutting edge replacement is completed.
Wherein, the outside on the special gallows is provided with the lifting hook, for the convenience of dismantling and hoisting, the mutual clearance fit of slider between special gallows and the fixed frame, and the clearance distance is 30mm, can effectively be spacing each other on the one hand, and on the other hand makes things convenient for special gallows and fixed frame to separate on the horizontal direction when the special gallows is hoisted.
Wherein, the hydraulic device 8 comprises a hydraulic cylinder, the hydraulic cylinder is connected with a hydraulic rod in a sliding way, and the hydraulic rod is fixedly connected with the fixed hook 5; and the cutting edge locking device 12 may be a detachable fixed connection such as a bolt.
Compared with the mode of completely replacing the shear blade by manpower in the prior similar equipment, the mode of replacing the shear blade saves a large amount of time and labor cost, and the structure is applied to practice, is simple to operate, and saves time and labor in field practical use.
Claims (7)
1. The automatic replacing device for the hot section cutting edge of the medium plate is characterized by comprising a rack (11), wherein a cutting part is transversely arranged along the rack (11), one end of the cutting part is detachably and fixedly connected with the rack (11) through a cutting edge locking device (12), the other end of the cutting part is fixedly connected with a drawing device, and the transverse displacement of the cutting part is limited through the transverse movement of the drawing device;
the device is characterized by further comprising a fixed frame (3) which is axially fixed along the rack (11), wherein the fixed frame (3) is fixedly connected with a special hanging bracket (4), and the fixed frame (3) is in clearance fit with the special hanging bracket (4).
2. The automatic replacing device for the hot-section cutting edge of the medium plate according to claim 1, wherein the cutting member comprises an upper tool apron (1) and a lower tool apron (2) which are symmetrically arranged at two ends of a frame (11), one end of each of the upper tool apron (1) and the lower tool apron (2) is fixedly connected with the frame (11) through a cutting edge locking device (12), the other end of each of the upper tool apron (1) and the lower tool apron (2) is fixedly connected with a drawing device, and a cutting edge (13) is fixedly arranged on each of the upper tool apron (1) and the lower tool apron (2).
3. The automatic replacing device for the hot-section cutting edge of the medium plate according to claim 1, wherein the drawing device comprises two fixed hooks (5), one end of each fixed hook (5) is fixedly connected with the upper tool apron (1) and the lower tool apron (2), the other end of each fixed hook is connected with a movable hook (6), and one end of each movable hook (6) opposite to the fixed hook (5) is fixedly connected with a hydraulic device (8).
4. The automatic replacing device for the hot section cutting edge of the medium plate as claimed in claim 3, wherein a fixed rail (9) is transversely arranged in the fixed frame (3), a trolley (10) is slidably connected to the fixed rail (9), and the trolley (10) is fixedly connected with the hydraulic device (8).
5. The automatic replacing device for the hot section cutting edge of the medium plate as claimed in claim 1 is characterized in that the outside of the special hanger (4) is provided with a lifting hook (17).
6. The automatic replacing device for the hot section cutting edge of the medium plate as claimed in claim 1, wherein the fixed frame (3) is provided with a fixed frame sliding block (14), the special hanger is provided with a special hanger sliding block (15), and the fixed frame sliding block (14) and the special hanger sliding block (15) are nested with each other.
7. The automatic replacing device of the hot section cutting edge of the medium plate as claimed in claim 1, wherein the gap distance is 30 mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010230100.9A CN111331196A (en) | 2020-03-27 | 2020-03-27 | Automatic replacing device for hot sectional shear blades of medium plate |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010230100.9A CN111331196A (en) | 2020-03-27 | 2020-03-27 | Automatic replacing device for hot sectional shear blades of medium plate |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111331196A true CN111331196A (en) | 2020-06-26 |
Family
ID=71176800
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010230100.9A Pending CN111331196A (en) | 2020-03-27 | 2020-03-27 | Automatic replacing device for hot sectional shear blades of medium plate |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111331196A (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE4336626A1 (en) * | 1993-10-27 | 1995-05-04 | Schloemann Siemag Ag | Shears, in particular transverse parting shears |
| KR20030097378A (en) * | 2002-06-20 | 2003-12-31 | 주식회사 포스코 | Auto Changing Apparatus for Crop Shear Knife |
| CN201067818Y (en) * | 2006-12-21 | 2008-06-04 | 一重集团大连设计研究院 | Medium plate end shears cutting edge changing device |
| CN104874855A (en) * | 2015-05-13 | 2015-09-02 | 首钢京唐钢铁联合有限责任公司 | Flying shear blade replacing method |
-
2020
- 2020-03-27 CN CN202010230100.9A patent/CN111331196A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE4336626A1 (en) * | 1993-10-27 | 1995-05-04 | Schloemann Siemag Ag | Shears, in particular transverse parting shears |
| KR20030097378A (en) * | 2002-06-20 | 2003-12-31 | 주식회사 포스코 | Auto Changing Apparatus for Crop Shear Knife |
| CN201067818Y (en) * | 2006-12-21 | 2008-06-04 | 一重集团大连设计研究院 | Medium plate end shears cutting edge changing device |
| CN104874855A (en) * | 2015-05-13 | 2015-09-02 | 首钢京唐钢铁联合有限责任公司 | Flying shear blade replacing method |
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