CN109202152B - Medium plate shearing production line - Google Patents
Medium plate shearing production line Download PDFInfo
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- CN109202152B CN109202152B CN201811240307.3A CN201811240307A CN109202152B CN 109202152 B CN109202152 B CN 109202152B CN 201811240307 A CN201811240307 A CN 201811240307A CN 109202152 B CN109202152 B CN 109202152B
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- shearing
- shears
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- sizing
- plate
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- 238000010008 shearing Methods 0.000 title claims abstract description 90
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 38
- 238000004513 sizing Methods 0.000 claims abstract description 62
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 48
- 239000010959 steel Substances 0.000 claims abstract description 48
- 238000005520 cutting process Methods 0.000 claims description 57
- 230000002146 bilateral effect Effects 0.000 claims description 13
- 238000005096 rolling process Methods 0.000 claims description 8
- 230000033764 rhythmic process Effects 0.000 abstract description 9
- 230000001788 irregular Effects 0.000 description 7
- 241000251468 Actinopterygii Species 0.000 description 5
- 239000000463 material Substances 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000009966 trimming Methods 0.000 description 1
- 239000002699 waste material Substances 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
- B23D15/00—Shearing machines or shearing devices cutting by blades which move parallel to themselves
- B23D15/06—Sheet shears
-
- 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
- B23D31/00—Shearing machines or shearing devices covered by none or more than one of the groups B23D15/00 - B23D29/00; Combinations of shearing machines
-
- 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
- B23D33/00—Accessories for shearing machines or shearing devices
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Metal Rolling (AREA)
Abstract
The invention discloses a medium plate shearing production line which comprises a head shearing machine (2), a double-sided shearing machine (6), a sizing machine (11), a sizing machine (12) and a tail shearing machine (15) which are sequentially arranged along the advancing direction of a steel plate mother plate (20) to be sheared. This medium plate cuts production line newly-increased tail shear behind current scale shear, can decompose scale shear operating pressure greatly, after the scale is cut to the scale, the steel sheet heel can directly carry to the tail shear, can effectively balance the production rhythm of shear line, improves production efficiency, can avoid newly-increased shear line's investment simultaneously.
Description
Technical Field
The invention relates to the technical field of metallurgical machinery, in particular to a medium plate shearing production line for medium plate production.
Background
The medium plate (plate with the thickness of 4 mm-60 mm) is a great demand for development of high-end industries such as heavy equipment, ocean engineering and the like, and the production technical level is an important mark for measuring the state of material forming and equipment manufacturing development.
The cut line of the medium plate has a crucial effect on the medium plate product and is a key for ensuring whether the quality of the product entering a finished product warehouse is qualified. The cutting machine is mainly used for cutting irregular heads and tail ends of a steel plate, cutting two sides of the steel plate and cutting the steel plate into a specified length; the length of the steel plate can be changed, the cut waste and the cut sample can be conveyed, and the aim is to cut the medium plate into a fixed length required by a user, namely: and a sizing plate. Along with the increasing requirements of the market on the length precision and the shearing quality of the steel plate, the mode of oblique blade shearing and circular shearing of the traditional medium plate shearing line configuration cannot meet the requirements of modern high-quality and high-performance medium plate products.
Currently, conventional trim line critical equipment is configured to: crop shear, double-sided shear and fixed-length shear. The three shearing machines are rolling shearing machines, so that the production efficiency is high, and the shearing quality is excellent. However, this configuration has a certain disadvantage in that the production rhythm between production facilities is difficult to balance, and the maximum advantage is difficult to be exerted. The sizing shear functions comprise sample cutting, sizing cutting, tailing cutting and the like, and usually, the sizing shear can cut several specifications continuously, and the tailing cutting needs to be performed for a plurality of times, so that the sizing shear device greatly restricts the production rhythm of the whole shear line. Many production lines have two shear lines in parallel to increase the capacity of the shear line, which greatly increases the investment cost.
Disclosure of Invention
In order to improve the current production rhythm of the shear line. The invention provides a medium plate shearing production line, which is characterized in that a tail shearing machine is newly added after the traditional sizing shearing, the working pressure of the sizing shearing machine can be greatly decomposed, after the sizing shearing is finished, the steel plate tailings can be directly conveyed to the tail shearing machine, the production rhythm of a shearing line can be effectively balanced, the production efficiency is improved, and meanwhile, the investment of the newly added shearing line can be avoided.
The invention solves the technical problems that: a medium plate shearing production line comprises a head shearing machine, a double-sided shearing machine, a sizing machine and a tail shearing machine which are sequentially arranged along the advancing direction of a steel plate mother plate to be sheared.
Along the advancing direction of the steel plate mother plate to be sheared, a front end shearing input roller way is arranged in front of the end shearing shears.
The head cutting scissors are double-shaft double-eccentric rolling cutting scissors, and the distance between the head cutting scissors and the double-side scissors is 60-90 m.
And a post-head-cutting output roller way, a pre-bilateral-shear magnetic centering device and a pre-bilateral-shear input roller way are sequentially arranged between the head-cutting shears and the bilateral shears along the advancing direction of the steel plate mother plate to be sheared.
The double-sided shears are three-axis three-eccentric rolling-cutting type rolling-cutting shears, and the distance between the double-sided shears and the fixed-length shears is 70-120 m.
And a bilateral shear rear output roller way, a fixed-length shear front magnetic force centering device, a fixed-length shear front input roller way and a fixed-length shear front pinch roller are sequentially arranged between the bilateral shears and the fixed-length shears along the advancing direction of the steel plate mother plate to be sheared.
The tail shears are double-shaft double-eccentric rolling shearing shears, and the distance between the tail shears and the fixed-length shears is 30-60 m.
Along the advancing direction of the steel plate mother plate to be sheared, a post-sizing shearing output roller way and a pre-tail shearing input roller way are sequentially arranged between the sizing machine and the tail shearing machine.
Along the advancing direction of the steel plate mother plate to be sheared, a tail shearing rear output roller way is arranged behind the tail shearing shears.
The sizing precision of the sizing machine is 0 mm-5 mm.
The beneficial effects of the invention are as follows: the production rhythm among the whole shearing line equipment can be effectively coordinated, so that the whole shearing line equipment is balanced, the maximum capacity of the whole shearing line equipment is exerted, and the production efficiency is improved.
Drawings
The accompanying drawings, which are included to provide a further understanding of the application and are incorporated in and constitute a part of this specification, illustrate embodiments of the application and together with the description serve to explain the application.
FIG. 1 is a schematic diagram showing the arrangement of the front section of the medium plate shearing production line according to the present invention.
Fig. 2 is a schematic diagram of the rear-end arrangement of the medium plate shearing production line according to the invention.
1. The roller way is input before the head cutting shear; 2. cutting the head; 3. cutting the head, shearing and outputting the roller way; 4. a magnetic force centering device in front of the double-sided shears; 5. front input roller way of double-sided shears; 6. double-sided scissors; 7. a double-sided shearing back output roller way; 8. a magnetic force centering device before the fixed-length scissors; 9. the front roller way of the fixed-length scissors; 10. front pinch rolls of fixed-length shears; 11. cutting to length; 12. a sizing machine; 13. a fixed-length shearing output roller way; 14. a front input roller way of tail cutting shears; 15. cutting the tail and shearing; 16. cutting the tail and shearing the tail and then outputting the tail to a roller way;
20. A steel plate motherboard.
Detailed Description
It should be noted that, without conflict, the embodiments of the present application and features of the embodiments may be combined with each other. The application will be described in detail below with reference to the drawings in connection with embodiments.
A medium plate shearing production line comprises a head shearing machine 2, a double-sided shearing machine 6, a sizing shearing machine 11, a sizing machine 12 and a tail shearing machine 15 which are sequentially arranged along the advancing direction A of a steel plate mother plate 20 to be sheared, as shown in figures 1 and 2. The right side of fig. 1 is correspondingly connected with the left side of fig. 2.
The tail cutting scissors 15 are arranged behind the fixed-length scissors 11, so that the fish tail-shaped tail material can be sheared, the working pressure of the fixed-length scissors 11 can be effectively decomposed, and the production rhythm of the whole shearing line equipment is balanced. After the irregular head of the steel plate mother plate 20 is cut off by the head cutting scissors 2, the steel plate mother plate is centered by the magnetic centering device 4 before the double-sided scissors, enters the double-sided scissors 6 to cut off the irregular double sides, is conveyed into the sizing scissors 11 by the pinch roll 10 before the sizing scissors after being close to the edge by the magnetic centering device 8 before the sizing scissors, and is provided with the sizing machine 12 after the sizing scissors 11, the steel plate can be sized and sampled by matching with the sizing scissors 11, and the rest fish tail-shaped tailings are not processed by the sizing scissors 11 any more but continue to move to the position of the tail cutting scissors 15 for cutting.
In the present embodiment, a head-cutting shear front input roller table 1 is provided in front of the head-cutting shears 2 along the advancing direction of the steel plate mother plate 20 to be sheared. The head cutting scissors 2 are double-shaft double-eccentric rolling cutting scissors, and the distance between the head cutting scissors 2 and the double-side scissors 6 is 60-90 m. A post-crop-cutting output roller way 3, a pre-bilateral-cutting magnetic centering device 4 and a pre-bilateral-cutting input roller way 5 are sequentially arranged between the head-crop-cutting scissors 2 and the bilateral scissors 6 along the advancing direction of the steel plate mother plate 20 to be sheared, as shown in fig. 1 and 2.
In the embodiment, the double-sided shears 6 are three-axis three-eccentric rolling shear, and the distance between the double-sided shears 6 and the fixed-length shears 11 is 70 m-120 m. Along the advancing direction of the steel plate mother plate 20 to be sheared, a bilateral shearing rear output roller way 7, a magnetic force centering device 8 before shearing, a front input roller way 9 and a front pinch roller 10 are sequentially arranged between the bilateral shearing 6 and the sizing shearing 11.
In this embodiment, the tail shears 15 are double-shaft double-eccentric rolling shear, and the distance between the tail shears 15 and the fixed-length shears 11 is 30 m-60 m. Along the advancing direction of the steel plate mother plate 20 to be sheared, a post-sizing output roller way 13 and a pre-cutting input roller way 14 are sequentially arranged between the sizing machine 12 and the tail cutting shears 15. Along the advancing direction of the steel plate mother plate 20 to be sheared, a rear end shearing output roller way 16 is arranged behind the end shearing shears 15.
The working process of the medium plate shearing production line is described below.
Firstly, the steel plate mother plate 20 enters the head-cutting shear front input roller table 1 from a cooling bed area, the head-cutting shears 2 are arranged to shear irregular heads of the steel plate mother plate 20, and when the steel plate mother plate 20 is in a larger camber, the head-cutting shears 2 can segment the steel plate mother plate 20 so as to reduce the shearing quantity of the edges of the steel plate and improve the yield. The head cutting scissors 2 are of double-shaft double-eccentric rolling cutting structures, and the center distance between the head cutting scissors 2 and the double-side scissors 6 is 60-90 m. The steel plate mother plate 20 with the head cut enters the front input roller way 5 of the bilateral shears through the rear output roller way 3 of the head cut shears.
The double-sided shears 6 are used for trimming steel plates to reach the required width of the finished product, and the double-sided shears 6 are of a three-axis three-eccentric rolling-cutting structure. The front magnetic centering device 4 for the bilateral shears is arranged in the middle of the front input roller way 5 for the bilateral shears, and can perform centering operation on the steel plate with the head cut by the head cut shears 2, and the bilateral shears 6 adjust the width of the steel plate to be required for bilateral shearing of the steel plate. The steel plates with the two sides cut out enter a front input roller way 9 of the fixed-length shears through a rear output roller way 7 of the double-side shears.
The magnetic force centering device 8 before the sizing shear is arranged in the middle of the input roller way 9 before the sizing shear, and the edge aligning operation can be carried out on the steel plate after the irregular double edges are cut off by the double edge shear 6, so that the steel plate can be cut to length along the fixed side of the sizing shear 11, and the center distance between the sizing shear 11 and the double edge shear 6 is 70-120 m.
The fixed-length scissors 11 are of double-shaft double-eccentric rolling-cutting structure, and can cut and sample steel plates. The front pinch roll 10 of the sizing shear is arranged in front of the sizing shear 11, the functions of plate feeding, length measurement and tail pushing can be assisted, the sizing shear 11 is provided with a sizing machine 12, the sizing machine 12 is a high-precision mechanical sizing machine, the sizing shear 11 can be matched to finish the cutting and length fixing operation of a steel plate, the sizing precision of the sizing machine 12 is 0mm to +5mm, and the sizing precision is higher. The cut sizing plate enters a finished product warehouse through a sizing shear 15 through a sizing shear output roller way 13, and the residual tailings after cutting enter a tail shear front input roller way 14 from the sizing shear output roller way 13.
The tail shears 15 are additionally arranged behind the sizing shears 11, the tail shears 15 are also of a double-shaft double-eccentric rolling-cutting structure, the fish tail-shaped tail materials treated by the sizing shears 11 can be sheared, and the structure of the tail shears 15 and the structure of the head shears 2 are in mirror image relationship, namely, the tail shears 15 and the head shears 2 are mirror images. The fish tail-shaped tailing treated by the sizing shears 11 enters the tail shears 15 for treatment through the front input roller way 14 of the tail shears. The center line of the tail cutting scissors 15 is 30-60 m away from the center line of the sizing scissors 11.
The tail shears are newly added after the fixed-length shears, so that the working pressure of the fixed-length shears can be effectively decomposed, and the production rhythm among the whole shearing line equipment is balanced. The process arrangement sequence of the shearing line production equipment is that a head shearing shear, a double-sided shear, a fixed-length machine and a tail shearing shear are sequentially arranged, a steel plate mother plate enters the head shearing shear from a head shearing shear input roller way to cut irregular heads, and enters the double-sided shear to cut irregular double sides after being centered by a magnetic centering device before the double-sided shear so as to achieve the width required by a finished product; and the steel plate is conveyed into the sizing shears through a front pinch roll of the sizing shears after being abutted against the edge by the front magnetic centering device of the sizing shears, and is provided with a mechanical sizing machine after the sizing shears, so that the steel plate can be sized and sampled to reach the fixed length required by a user, and the residual fish tail-shaped tailings after the shearing are sheared by the tail shears. The invention has the advantages of obviously improving the production efficiency of the shear line, improving the yield, rationalizing the rhythm of production equipment and effectively avoiding the repeated investment of newly added shear lines.
The foregoing description of the embodiments of the invention is not intended to limit the scope of the invention, so that the substitution of equivalent elements or equivalent variations and modifications within the scope of the invention shall fall within the scope of the patent. In addition, the technical features and the technical features, the technical features and the technical invention can be freely combined for use.
Claims (8)
1. The medium plate shearing production line is characterized by comprising a head shearing device (2), a double-sided shearing device (6), a sizing device (11), a sizing machine (12) and a tail shearing device (15) which are sequentially arranged along the advancing direction of a steel plate mother plate (20) to be sheared;
The head-cutting scissors (2) are double-shaft double-eccentric rolling-cutting scissors, and the tail-cutting scissors (15) are also double-shaft double-eccentric rolling-cutting scissors;
The distance between the head cutting scissors (2) and the double-sided scissors (6) is 60-90 m;
The distance between the tail cutting scissors (15) and the sizing scissors (11) is 30-60 m.
2. The medium plate shearing production line according to claim 1, wherein a head shearing front input roller way (1) is arranged in front of the head shearing (2) along the advancing direction of the steel plate mother plate (20) to be sheared.
3. The medium plate shearing production line according to claim 1, wherein a post-head shearing output roller way (3), a pre-double-side shearing magnetic centering device (4) and a pre-double-side shearing input roller way (5) are sequentially arranged between the head shearing shears (2) and the double-side shears (6) along the advancing direction of a steel plate mother plate (20) to be sheared.
4. The medium plate shearing production line according to claim 1, wherein the double-sided shears (6) are triaxial triple eccentric rolling shearing shears, and the distance between the double-sided shears (6) and the fixed-length shears (11) is 70-120 m.
5. The medium plate shearing production line according to claim 1, wherein a bilateral shearing rear output roller way (7), a fixed-length shearing front magnetic force centering device (8), a fixed-length shearing front input roller way (9) and a fixed-length shearing front pinch roller (10) are sequentially arranged between the bilateral shears (6) and the fixed-length shears (11) along the advancing direction of a steel plate mother plate (20) to be sheared.
6. The medium plate shearing production line according to claim 1, wherein a post-sizing run-out table (13) and a pre-cutting run-in table (14) are sequentially arranged between the sizing machine (12) and the tail cutting shears (15) along the advancing direction of the steel plate mother plate (20) to be sheared.
7. The medium plate shearing production line according to claim 1, wherein a post-end shearing output roller way (16) is arranged behind the end shearing shears (15) along the advancing direction of the steel plate mother plate (20) to be sheared.
8. The medium plate shearing line as recited in claim 1, wherein the sizing accuracy of the sizing machine (12) is 0mm to 5mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811240307.3A CN109202152B (en) | 2018-10-24 | 2018-10-24 | Medium plate shearing production line |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811240307.3A CN109202152B (en) | 2018-10-24 | 2018-10-24 | Medium plate shearing production line |
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| Publication Number | Publication Date |
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| CN109202152A CN109202152A (en) | 2019-01-15 |
| CN109202152B true CN109202152B (en) | 2024-04-30 |
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| CN201811240307.3A Active CN109202152B (en) | 2018-10-24 | 2018-10-24 | Medium plate shearing production line |
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Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112570984B (en) * | 2019-09-30 | 2022-08-26 | 宝钢湛江钢铁有限公司 | Multifunctional plate shearing device and method with functions of head cutting, segmenting and sizing shearing |
| CN112570449B (en) * | 2019-09-30 | 2022-12-20 | 宝钢湛江钢铁有限公司 | Efficient double-rack double-shear-line straight-through medium plate production line and production method |
| CN112570792B (en) * | 2019-09-30 | 2023-02-28 | 宝钢湛江钢铁有限公司 | Steel plate double-pre-stacking system for single-shear tangent line and stacking method thereof |
| CN114029544B (en) * | 2021-11-09 | 2023-05-16 | 广东韶钢松山股份有限公司 | Anti-jamming device and method for conveying chain of fixed-length scissors |
| CN116329646A (en) * | 2022-12-06 | 2023-06-27 | 无锡中车时代智能装备研究院有限公司 | Intelligent production line blanking equipment for copper bar cutting and application method thereof |
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