CN109531176B - Online trimming device and online trimming method in strip steel casting and rolling production process - Google Patents
Online trimming device and online trimming method in strip steel casting and rolling production process Download PDFInfo
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- CN109531176B CN109531176B CN201811621909.3A CN201811621909A CN109531176B CN 109531176 B CN109531176 B CN 109531176B CN 201811621909 A CN201811621909 A CN 201811621909A CN 109531176 B CN109531176 B CN 109531176B
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- 238000009966 trimming Methods 0.000 title claims abstract description 321
- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 156
- 239000010959 steel Substances 0.000 title claims abstract description 156
- 238000005096 rolling process Methods 0.000 title claims abstract description 105
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 61
- 238000005266 casting Methods 0.000 title claims abstract description 56
- 238000000034 method Methods 0.000 title claims abstract description 47
- 238000005520 cutting process Methods 0.000 claims abstract description 43
- 230000000712 assembly Effects 0.000 claims abstract description 21
- 238000000429 assembly Methods 0.000 claims abstract description 21
- 230000007246 mechanism Effects 0.000 claims description 40
- 230000001105 regulatory effect Effects 0.000 claims description 20
- 239000003638 chemical reducing agent Substances 0.000 claims description 12
- 239000002699 waste material Substances 0.000 claims description 9
- 230000005540 biological transmission Effects 0.000 claims description 6
- 238000010008 shearing Methods 0.000 claims description 4
- 238000001816 cooling Methods 0.000 claims description 3
- 238000009740 moulding (composite fabrication) Methods 0.000 abstract 1
- 238000010586 diagram Methods 0.000 description 3
- 238000005299 abrasion Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000011143 downstream manufacturing Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 238000004904 shortening Methods 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
- B23P23/00—Machines or arrangements of machines for performing specified combinations of different metal-working operations not covered by a single other subclass
- B23P23/04—Machines or arrangements of machines for performing specified combinations of different metal-working operations not covered by a single other subclass for both machining and other metal-working operations
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/10—Greenhouse gas [GHG] capture, material saving, heat recovery or other energy efficient measures, e.g. motor control, characterised by manufacturing processes, e.g. for rolling metal or metal working
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Abstract
The invention provides an online trimming device and an online trimming method in the strip steel casting and rolling production process. The online trimming device in the strip steel casting production process is arranged between a rolling mill and a coiling machine on the strip steel casting production line and comprises flying shears, trimming assemblies and steering rollers, wherein the flying shears, the trimming assemblies and the steering rollers are arranged along the direction from the rolling mill to the coiling machine at intervals, roller tables are arranged between the rolling mill and the flying shears and between the flying shears and the trimming assemblies, the steering rollers and the coiling machine are correspondingly arranged, the trimming assemblies comprise two trimming shears, the two trimming shears are oppositely arranged, strip steel passes through the two trimming shears in the process of moving from the rolling mill to the coiling machine, and the two trimming shears can be close to each other or far away from each other. The invention is characterized in that the operations of cutting the head and trimming are carried out on the strip steel immediately after casting, rolling and forming, so that the strip steel is coiled after finishing the trimming operation, a trimming production line is not required to be arranged at the downstream of an uncoiler, the coiled strip steel is not required to be uncoiled and coiled again, and the production period can be effectively shortened.
Description
Technical Field
The invention relates to the technical field of strip steel casting and rolling, in particular to an online trimming device and an online trimming method in the strip steel casting and rolling production process.
Background
In the existing casting and rolling technology in China and internationally at present, the problem of online trimming of the strip steel after casting and rolling is not considered, the problems of edge crack and thickness out-of-tolerance generated by the strip steel in the casting and rolling technology cannot be solved online, the strip steel with the quality problem at the edge can only directly enter a coiling machine to be coiled, a trimming production line is arranged in a downstream process, and operations such as uncoiling, end cutting, stitching, trimming, edge breaking and the like are performed on the cast and rolled strip steel in the trimming production line. The trimming unit required by the trimming production line is arranged on a separate site and configured by personnel, and meanwhile, the steel coil is required to be subjected to the steps of casting rolling, curling, cooling, uncoiling, trimming and curling, so that the production cost is increased and the production period is prolonged.
Disclosure of Invention
The invention aims to provide an online trimming device and an online trimming method in the cast rolling production process of strip steel, which can directly perform trimming operation on line after cast rolling of the strip steel, so that the strip steel is coiled after trimming, and the effects of reducing the production cost and shortening the production period are achieved.
In order to achieve the above purpose, the invention provides an on-line trimming device in the process of casting and rolling strip steel, wherein the on-line trimming device in the process of casting and rolling strip steel is arranged between a rolling mill and a coiling machine on the production line of casting and rolling strip steel, the on-line trimming device in the process of casting and rolling strip steel comprises flying shears, trimming assemblies and turning rolls which are arranged at intervals along the direction from the rolling mill to the coiling machine, roller tables are arranged between the rolling mill and the flying shears and between the flying shears and the trimming assemblies, the turning rolls are arranged between the trimming assemblies and the turning rolls correspondingly, the trimming assemblies comprise two trimming shears, two trimming shears are arranged oppositely, the strip steel passes through the space between the two trimming shears in the process of moving from the rolling mill to the coiling machine, and the two trimming shears can be close to or far away from each other.
The online trimming device in the strip steel casting and rolling production process, wherein the trimming assembly further comprises a base and two driving mechanisms, the two trimming shears are arranged on the base in a reciprocating sliding manner through sliding rails, the sliding direction of the two trimming shears is perpendicular to the conveying direction of strip steel, the two driving mechanisms are respectively connected with the two trimming shears, the two driving mechanisms can respectively drive the two trimming shears to slide along the two sliding rails and be close to or far away from each other, and the two driving mechanisms can respectively drive the corresponding trimming shears to shear the strip steel.
The online trimming device in the strip steel casting and rolling production process comprises trimming cutter heads, upper trimming cutter heads and lower trimming cutter heads, wherein the trimming cutter heads are connected with corresponding sliding rails, the upper trimming cutter heads and the lower trimming cutter heads are arranged on the trimming cutter heads, the upper trimming cutter heads are positioned above the lower trimming cutter heads, the upper trimming cutter heads and the lower trimming cutter heads are mutually matched, the upper trimming cutter heads of the two trimming cutters are coaxially and oppositely arranged, and the lower trimming cutter heads of the two trimming cutters are coaxially and oppositely arranged; the trimming cutter head seat, the upper trimming cutter head and the lower trimming cutter head of each trimming cutter are connected with corresponding driving mechanisms, the two driving mechanisms can respectively drive the corresponding trimming cutter head seat of the trimming cutter to slide reciprocally along the corresponding sliding rail, and the two driving mechanisms can respectively drive the corresponding upper trimming cutter head and the lower trimming cutter head of the trimming cutter to rotate and shear the strip steel.
The online trimming device in the strip steel casting and rolling production process, wherein the trimming assembly further comprises two scrap shears, the two scrap shears are oppositely arranged, the two scrap shears are respectively arranged on one side of the two scrap shears, which is close to the coiling machine, the two scrap shears are respectively connected with the two scrap shears in a positioning manner, the two scrap shears are synchronously driven to be mutually close to or mutually far away in the process of mutually close to or mutually far away from the two scrap shears, the two scrap shears are respectively connected with the two driving mechanisms, and the two driving mechanisms can respectively drive the corresponding scrap shears to break the scrap sheared by the strip steel.
The online trimming device in the steel strip cast rolling production process comprises a trimming cutter head seat, an upper trimming cutter head and a lower trimming cutter head, wherein the trimming cutter head seat and the trimming cutter head seat of the corresponding trimming cutter are positioned, the upper trimming cutter head and the lower trimming cutter head are arranged on the trimming cutter head seat, the upper trimming cutter head is positioned above the lower trimming cutter head, the upper trimming cutter head and the lower trimming cutter head are mutually matched, the upper trimming cutter heads of the two trimming cutters are coaxially and oppositely arranged, and the lower trimming cutter heads of the two trimming cutters are coaxially and oppositely arranged; each group of the upper edge breaking cutter heads and the lower edge breaking cutter heads of the edge breaking shears are connected with the corresponding driving mechanisms, and the two driving mechanisms can respectively drive the corresponding upper edge breaking cutter heads and lower edge breaking cutter heads of the edge breaking shears to rotate and shear waste edges sheared by the strip steel.
The online trimming device in the process of casting and rolling the strip steel comprises the driving mechanism, wherein the driving mechanism comprises a first speed regulating motor, a first speed reducer, a second speed regulating motor, a second speed reducer and a hydraulic cylinder, the first speed regulating motor is in transmission connection with the corresponding upper trimming cutter head and lower trimming cutter head of the trimming shears through the first speed reducer, and the first speed regulating motor can drive the corresponding upper trimming cutter head and lower trimming cutter head of the trimming shears to rotate; the second speed regulating motor is in transmission connection with the corresponding upper edge crushing cutter head and the corresponding lower edge crushing cutter head through the second speed reducer, and the second speed regulating motor can drive the corresponding upper edge crushing cutter head and lower edge crushing cutter head of the edge crushing shears to rotate; the hydraulic cylinder is connected with the corresponding trimming cutter head seat of the trimming shears, and the hydraulic cylinder can drive the corresponding trimming cutter head seat of the trimming shears to slide reciprocally along the corresponding sliding rail.
The online trimming device in the strip steel casting production process further comprises at least one group of pinch rolls, wherein the pinch rolls comprise an upper pinch roll and a lower pinch roll which are oppositely arranged, the strip steel passes through the space between the upper pinch roll and the lower pinch roll in the process of moving from the rolling mill to the coiling machine, and the upper pinch roll and the lower pinch roll can clamp and drive the strip steel to move to the coiling machine.
The on-line trimming device in the strip steel casting and rolling production process is characterized in that two groups of pinch rolls are arranged, one group of pinch rolls is located between the flying shears and the rolling mill, the other group of pinch rolls is located between the flying shears and the trimming assembly, and at least one group of pinch rolls is a deviation correcting pinch roll.
The online trimming device in the strip steel casting and rolling production process further comprises at least one pair of deviation correcting sensors, and each pair of deviation correcting sensors are respectively and correspondingly arranged on two sides of the roller way.
In order to achieve the above object, the present invention further provides an online trimming method in a strip steel casting and rolling production process, wherein the online trimming method in the strip steel casting and rolling production process is implemented by adopting the online trimming device in the strip steel casting and rolling production process, and the online trimming method in the strip steel casting and rolling production process comprises:
step S1: shearing the head of the strip steel processed by the rolling mill to obtain the strip steel after head cutting;
step S2: trimming the strip steel after the end cutting to obtain the strip steel after the end cutting;
step S3: and feeding the strip steel subjected to edge cutting into a coiling machine to be coiled.
Compared with the prior art, the invention has the following advantages:
The online trimming device and the online trimming method in the cast rolling production process of the strip steel can immediately carry out head cutting and trimming operations on the strip steel after cast rolling and forming, so that the strip steel is coiled after trimming operations are completed, a trimming production line does not need to be arranged at the downstream of an uncoiler, coiled strip steel does not need to be uncoiled and coiled again, and the production period can be effectively shortened; meanwhile, the online trimming device in the cast rolling production process of the strip steel can be directly arranged between the rolling mill and the coiling machine, can be monitored by operators of the rolling mill and the coiling machine, does not need additional configuration personnel, and is simple in structure and small in occupied space, so that the production cost can be effectively reduced; in addition, the strip steel is trimmed before being cooled, the uncooled strip steel has little abrasion to the trimming assembly, the service life of the trimming assembly can be effectively ensured, and the production cost is further reduced.
Drawings
The following drawings are only for purposes of illustration and explanation of the present invention and are not intended to limit the scope of the invention. Wherein:
FIG. 1 is a schematic diagram of an on-line trimming device-slitter edge shredding structure in the process of cast rolling of strip steel;
FIG. 2 is a schematic diagram of the structure of an online trimming device-slitter edge curl in the cast rolling production process of the strip steel provided by the invention;
FIG. 3 is a schematic diagram of the front view of the trimming assembly of the on-line trimming device in the process of casting and rolling the strip steel;
FIG. 4 is a schematic top view of a portion of the components of the trimming assembly of the on-line trimming device in the cast rolling process of strip steel provided by the invention;
fig. 5 is a method flow chart of the on-line trimming method in the cast rolling production process of the strip steel provided by the invention.
Reference numerals illustrate:
1. a rolling mill;
2. A coiling machine;
3. Flying shears;
4. a trimming assembly;
41. Trimming shears;
411. Trimming tool bit seat;
412. An upper trimming cutter head;
413. a lower trimming cutter head;
42. A base;
43. a driving mechanism;
431. A first speed regulating motor;
432. A first decelerator;
433. A second speed regulating motor;
434. A second decelerator;
435. a hydraulic cylinder;
44. Cutting edges;
441. A broken edge tool bit seat;
442. An upper edge crushing cutter head;
5. a steering roller;
6. A roller way;
7. Pinch rolls;
71. an upper nip roller;
72. a lower nip roller;
8. A slitter edge coiling device;
9. A correction sensor;
Detailed Description
For a clearer understanding of the technical solutions, objects and effects of the present invention, specific embodiments of the present invention will now be described with reference to the accompanying drawings.
As shown in fig. 1 to 4, the invention provides an on-line trimming device in the process of casting and rolling strip steel, wherein the on-line trimming device in the process of casting and rolling strip steel is arranged between a rolling mill 1 and a coiling machine 2 on the production line of casting and rolling strip steel, so that the strip steel rolled and formed by the rolling mill 1 is subjected to head cutting and trimming before entering the coiling machine 2 for curling and cooling, the strip steel is coiled after finishing the trimming operation, the trimming production line is not required to be arranged at the downstream of an uncoiler, the coiled strip steel is not required to be uncoiled and coiled again, the production period can be effectively shortened, and the on-line trimming device in the process of casting and rolling strip steel provided by the invention is directly arranged between the rolling mill 1 and the coiling machine 2 on the production line of casting and rolling strip steel, and the strip steel can be monitored by operators of the rolling mill 1 and the coiling machine 2 without additional configuration personnel, so that the manpower cost can be effectively reduced;
The online trimming device in the strip steel casting and rolling production process comprises flying shears 3, trimming assemblies 4 and steering rollers 5 which are arranged at intervals along the direction from a rolling mill 1 to a coiling machine 2, wherein roller tables 6 are arranged between the rolling mill 1 and the flying shears 3 and between the flying shears 3 and the trimming assemblies 4 and between the trimming assemblies 4 and the steering rollers 5, strip steel is rolled and molded by the rolling mill 1 and reaches the flying shears 3 through the roller tables 6 between the rolling mill 1 and the flying shears 3 to carry out head cutting operation, the head of the strip steel is ensured to be neat, the strip steel can conveniently enter the trimming assemblies 4 to carry out trimming, the strip steel after the head cutting enters the trimming assemblies 4 through the roller tables 6 between the flying shears 3 and the trimming assemblies 4 to carry out trimming, the strip steel after the trimming enters the steering rollers 5 through the roller tables 6 between the trimming assemblies 4 and the steering rollers 5, the steering rollers 5 are correspondingly arranged with the coiling machine 2, and the steering rollers 5 bend the strip steel in the moving direction towards the coiling machine 2 so that the head of the strip steel can smoothly enter the coiling machine 2 to be coiled into a coil; the trimming assembly 4 comprises two trimming shears 41, the two trimming shears 41 are oppositely arranged, the strip steel passes through the two trimming shears 41 in the process of moving from the rolling mill 1 to the coiling machine 2, the two trimming shears 41 respectively trim the two sides of the strip steel, and the two trimming shears 41 can be mutually close to or mutually far away from each other so as to adjust the trimming width.
Further, as shown in fig. 3 and 4, the on-line trimming device in the process of casting and rolling strip steel provided by the invention, the trimming assembly 4 further comprises a base 42 and two driving mechanisms 43, the two trimming shears 41 are arranged on the base 42 in a reciprocating sliding manner through sliding rails, the sliding direction of the two trimming shears 41 is perpendicular to the conveying direction of the strip steel, the trimming width is adjusted by adjusting the distance between the two trimming shears 41, the two driving mechanisms 43 are respectively connected with the two trimming shears 41, the two driving mechanisms 43 can respectively drive the two trimming shears 41 to slide along the two sliding rails and approach or separate from each other, thereby realizing adjustment of trimming width, and the two driving mechanisms 43 can respectively drive the corresponding trimming shears 41 to cut the strip steel, thereby completing trimming operation.
Further, as shown in fig. 3 and 4, in the on-line trimming device in the process of casting and rolling strip steel provided by the invention, each trimming shear 41 comprises a trimming cutter head seat 411, an upper trimming cutter head 412 and a lower trimming cutter head 413, the trimming cutter head seat 411 is connected with a corresponding sliding rail, the upper trimming cutter head 412 and the lower trimming cutter head 413 are arranged on the trimming cutter head seat 411, the upper trimming cutter head 412 is positioned above the lower trimming cutter head 413, the upper trimming cutter head 412 and the lower trimming cutter head 413 are mutually matched to jointly complete trimming operation, the upper trimming cutter heads 412 of the two trimming shears 41 are coaxially and oppositely arranged, and the lower trimming cutter heads 413 of the two trimming shears 41 are coaxially and oppositely arranged to ensure that the cutting positions of the two trimming shears 41 are positioned on the same horizontal plane, so as to smoothly trim strip steel horizontally moving on the roller table 6; the trimming cutter head seat 411, the upper trimming cutter head 412 and the lower trimming cutter head 413 of each trimming cutter 41 are connected with the corresponding driving mechanisms 43, the two driving mechanisms 43 can respectively drive the trimming cutter head seat 411 of the corresponding trimming cutter 41 to drive the upper trimming cutter head 412 and the lower trimming cutter head 413 arranged on the trimming cutter to slide reciprocally along the corresponding sliding rails, so as to adjust the trimming width, and the two driving mechanisms 43 can respectively drive the upper trimming cutter head 412 and the lower trimming cutter head 413 of the corresponding trimming cutter 41 to rotate and cut strip steel, wherein the overlapping amount and the lateral gap between the upper trimming cutter head 412 and the lower trimming cutter head 413 can be automatically adjusted or manually adjusted.
Preferably, as shown in fig. 2, the online trimming device in the cast rolling production process of the strip steel provided by the invention further comprises two slitter edge coiling devices 8, wherein the two slitter edge coiling devices 8 are respectively arranged at two sides of the roller way 6, and the slitter edge coiling devices 8 can curl and collect slitter edges sheared at edges at two sides of the strip steel.
Further, as shown in fig. 4, in the on-line trimming device in the cast rolling production process of strip steel provided by the invention, the trimming assembly 4 further comprises two scrap cutters 44, the two scrap cutters 44 are oppositely arranged, the two scrap cutters 44 are respectively arranged at one side of the two trim cutters 41 close to the coiler 2, the two scrap cutters 44 are respectively connected with the two trim cutters 41 in a positioning manner, the two scrap cutters 44 are synchronously driven to be close to or separate from each other in the process of approaching or separating the two trim cutters 41 from each other, the two scrap cutters 44 are respectively connected with the two driving mechanisms 43, and the two driving mechanisms 43 can respectively drive the corresponding scrap cutters 44 to trim the scrap cut off by the strip steel. It should be noted that, the two scrap cutters 44 may be directly connected with the two edge cutters 41 in a positioning manner, or the two scrap cutters 44 may be slidably disposed on the base 42 through a track, and the corresponding edge cutters 41 and the scrap cutters 44 may be synchronously driven to move by the corresponding driving mechanism 43.
Preferably, waste bins are respectively arranged below the two scrap cutters 44, the waste bins can be boxes with openings at the tops, and waste edges fall into the corresponding waste bins to be collected after being cut by the corresponding scrap cutters 44, or conveying devices can be arranged below the two scrap cutters 44, and waste materials cut by the two scrap cutters 44 are conveyed into the waste bins through the conveying devices.
As shown in fig. 4, the on-line edge trimming device in the steel strip casting and rolling production process provided by the invention is preferable, wherein the edge trimming shears 44 comprise edge trimming cutter head seats 441, upper edge trimming cutter heads 442 and lower edge trimming cutter heads (not shown in the figure), the edge trimming cutter head seats 441 and the edge trimming cutter head seats 411 of the corresponding edge trimming shears 41 are positioned, or the edge trimming cutter head seats 441 can be slidably mounted on the base 42 through rails, so long as synchronous movement between the edge trimming cutter head seats 441 and the edge trimming cutter head seats 411 of the corresponding edge trimming shears 41 can be maintained; the upper edge crushing cutter head 442 and the lower edge crushing cutter head are arranged on the edge crushing cutter head seat 441, the upper edge crushing cutter head 442 is arranged above the lower edge crushing cutter head, the upper edge crushing cutter head 442 and the lower edge crushing cutter head are mutually matched to jointly cut the slitter edge sheared by the edge cutting scissors 41 from the edge of the strip steel, the upper edge crushing cutter heads 442 of the two edge crushing scissors 44 are coaxially and oppositely arranged, and the lower edge crushing cutter heads of the two edge crushing scissors 44 are coaxially and oppositely arranged so as to ensure that the edge crushing positions of the two edge crushing scissors 44 are positioned in the same horizontal plane, so that the edge crushed by the edge of the strip steel moving along the horizontal direction is subjected to cutting operation; the upper edge breaking cutter head 442 and the lower edge breaking cutter head of each group of edge breaking scissors 44 are connected with the corresponding driving mechanism 43, and the two driving mechanisms 43 can respectively drive the upper edge breaking cutter head 442 and the lower edge breaking cutter head of the corresponding edge breaking scissors 44 to rotate and break the slitter edges sheared by the strip steel, wherein the overlapping amount and the side gap between the upper edge breaking cutter head 442 and the lower edge breaking cutter head can be automatically adjusted or manually adjusted, and the invention is not limited to this.
It should be noted that, the upper trimming blade 412, the lower trimming blade 413, the upper shredding blade 442 and the lower shredding blade are all water-cooled blades.
Further, as shown in fig. 3 and 4, in the on-line trimming device in the process of casting and rolling the strip steel provided by the invention, the driving mechanism 43 comprises a first speed regulating motor 431, a first speed reducer 432, a second speed regulating motor 433, a second speed reducer 434 and a hydraulic cylinder 435, wherein the first speed regulating motor 431 is in transmission connection with the upper trimming cutter head 412 and the lower trimming cutter head 413 of the corresponding trimming shears 41 through the first speed reducer 432, and the first speed regulating motor 431 can drive the upper trimming cutter head 412 and the lower trimming cutter head 413 of the corresponding trimming shears 41 to rotate so as to enable the upper trimming cutter head 412 to be matched with the lower trimming cutter head 413 to perform trimming operation; the second speed regulating motor 433 is in transmission connection with the corresponding upper edge crushing cutter head 442 and lower edge crushing cutter head through the second speed reducer 434, and the second speed regulating motor 433 can drive the corresponding upper edge crushing cutter head 442 and lower edge crushing cutter head of the edge crushing shears 44 to rotate, so that the upper edge crushing cutter head 442 and the lower edge crushing cutter head cooperate to perform edge crushing operation; the hydraulic cylinder 435 is connected with the trimming blade seat 411 of the corresponding trimming shear 41, the hydraulic cylinder 435 can drive the trimming blade seat 411 of the corresponding trimming shear 41 to slide reciprocally along the corresponding sliding rail, when the trimming blade seat 441 is connected with the trimming blade seat 411, only one of the hydraulic cylinder 435 and the trimming blade seat 411 is required to be connected, when the trimming blade seat 411 and the trimming blade seat 441 are respectively connected with the base 42 in a sliding manner, the driving mechanism 43 is required to be connected with the trimming blade seat 411 and the trimming blade seat 441 at the same time so as to drive the trimming blade seat 411 and the trimming blade seat 441 to synchronously move at the same time, wherein the hydraulic cylinder 435 can also be replaced by motor driving.
Further, as shown in fig. 1 and 2, the on-line trimming device in the process of casting and rolling strip steel provided by the invention further comprises at least one group of pinch rolls 7, wherein the pinch rolls 7 comprise an upper pinch roll 71 and a lower pinch roll 72 which are oppositely arranged, strip steel passes through between the upper pinch roll 71 and the lower pinch roll 72 in the process of moving from the rolling mill 1 to the coiling machine 2, the upper pinch roll 71 and the lower pinch roll 72 can clamp and drive the strip steel to move to the coiling machine 2, and the pinch rolls 7 are arranged to provide power for the strip steel to move towards the coiling machine 2 and keep the moving direction of the strip steel.
Further, as shown in fig. 1 and 2, the on-line trimming device in the process of casting and rolling the strip steel provided by the invention is characterized in that two groups of pinch rolls 7 are arranged, one group of pinch rolls 7 is positioned between the flying shears 3 and the rolling mill 1, and the other group of pinch rolls 7 is positioned between the flying shears 3 and the trimming assembly 4, so that in the process of moving the strip steel from the rolling mill 1 to the coiler 2, the moving power of the strip steel is provided from two positions and the moving direction of the strip steel is kept, meanwhile, the strip steel can be kept in a horizontal state, the strip steel smoothly enters each component, and at least one group of pinch rolls 7 is a deviation rectifying pinch roll 7, the positioning of two sides of the strip steel can be adjusted, and trimming according to the technological requirements is ensured.
As shown in fig. 2, the online trimming device in the process of casting and rolling the strip steel provided by the invention further comprises at least one pair of deviation correcting sensors 9, wherein each pair of deviation correcting sensors 9 are respectively and correspondingly arranged on two sides of the roller table 6, the deviation correcting sensors 9 can monitor the position of strip steel in real time, and the position of the trimming assembly 4 is adjusted in real time according to detected data, so that the trimming quality is ensured.
As shown in fig. 5, the present invention further provides an online trimming method in a strip steel casting and rolling production process, wherein the online trimming method in the strip steel casting and rolling production process is implemented by adopting the online trimming device in the strip steel casting and rolling production process, and the online trimming method in the strip steel casting and rolling production process comprises:
Step S1: shearing the head of the strip steel processed by the rolling mill 1 to obtain a strip steel after head cutting;
the method comprises the steps that firstly, strip steel which is rolled and formed by a rolling mill 1 enters a flying shear 3 to carry out head cutting operation before being curled and not cooled, so that the head of the strip steel is kept flat, and the strip steel can be ensured to smoothly enter a trimming assembly 4;
step S2: trimming the strip steel after head cutting to obtain the strip steel after trimming;
specifically, the strip steel after head cutting enters a trimming assembly 4, and two sides of the strip steel are sheared by the trimming assembly 4 to finish trimming operation;
Step S3: and (3) feeding the strip steel subjected to edge cutting into rolls by a coiling machine 2 to obtain a steel coil, and cutting off the strip steel by a flying shear 3 or a shearing machine after the weight of the steel coil reaches a preset weight.
Compared with the prior art, the invention has the following advantages:
The online trimming device and the online trimming method in the cast rolling production process of the strip steel can immediately carry out head cutting and trimming operations on the strip steel after cast rolling and forming, so that the strip steel is coiled after trimming operations are completed, a trimming production line does not need to be arranged at the downstream of an uncoiler, coiled strip steel does not need to be uncoiled and coiled again, and the production period can be effectively shortened; meanwhile, the online trimming device in the cast rolling production process of the strip steel can be directly arranged between the rolling mill and the coiling machine, can be monitored by operators of the rolling mill and the coiling machine, does not need additional configuration personnel, and is simple in structure and small in occupied space, so that the production cost can be effectively reduced; in addition, the strip steel is trimmed before being cooled, the uncooled strip steel has little abrasion to the trimming assembly, the service life of the trimming assembly can be effectively ensured, and the production cost is further reduced.
The foregoing is illustrative of the present invention and is not to be construed as limiting the scope of the invention. Any equivalent changes and modifications can be made by those skilled in the art without departing from the spirit and principles of this invention, and are intended to be within the scope of this invention.
Claims (6)
1. The online trimming device in the strip steel casting and rolling production process is characterized by being arranged between a rolling mill and a coiling machine on the strip steel casting and rolling production line, the online trimming device in the strip steel casting and rolling production process comprises flying shears, trimming assemblies and turning rolls which are arranged at intervals along the direction from the rolling mill to the coiling machine, roller tables are arranged between the rolling mill and the flying shears and between the flying shears and the trimming assemblies, the turning rolls are arranged between the trimming assemblies and the turning rolls, the turning rolls are arranged corresponding to the coiling machine, the trimming assemblies comprise two trimming shears which are arranged oppositely, the strip steel passes through the two trimming shears in the process of moving from the rolling mill to the coiling machine, and the two trimming shears can be close to or far away from each other;
the flying shears and the trimming assemblies are sequentially distributed along the direction from the rolling mill to the coiling machine, and the trimming assemblies trim the strip steel before the strip steel is cooled;
The trimming assembly further comprises a base and two driving mechanisms, wherein the two trimming shears are arranged on the base in a reciprocating sliding manner through sliding rails, the sliding direction of the two trimming shears is perpendicular to the conveying direction of the strip steel, the two driving mechanisms are respectively connected with the two trimming shears, the two driving mechanisms can respectively drive the two trimming shears to slide along the two sliding rails and approach or separate from each other, and the two driving mechanisms can respectively drive the corresponding trimming shears to shear the strip steel;
The trimming assembly further comprises two scrap cutters, the two scrap cutters are oppositely arranged, the two scrap cutters are respectively arranged on one sides of the two trimming cutters, which are close to the coiling machine, the two scrap cutters are respectively connected with the two trimming cutters in a positioning manner, the two scrap cutters are synchronously driven to be close to or far away from each other in the process of being close to or far away from each other, the two scrap cutters are respectively connected with the two driving mechanisms, and the two driving mechanisms can respectively drive the corresponding scrap cutters to cut waste edges cut by the strip steel;
Each edge cutting shear comprises an edge cutting tool bit seat, an upper edge cutting tool bit and a lower edge cutting tool bit, the edge cutting tool bit seats are connected with the corresponding sliding rails, the upper edge cutting tool bit and the lower edge cutting tool bit are arranged on the edge cutting tool bit seat, the upper edge cutting tool bit is positioned above the lower edge cutting tool bit, the upper edge cutting tool bit and the lower edge cutting tool bit are mutually matched, the upper edge cutting tool bit of the two edge cutting shears is coaxially and oppositely arranged, and the lower edge cutting tool bit of the two edge cutting shears is coaxially and oppositely arranged; the trimming cutter head seat, the upper trimming cutter head and the lower trimming cutter head of each trimming cutter are connected with the corresponding driving mechanisms, the two driving mechanisms can respectively drive the corresponding trimming cutter head seat of the trimming cutter to slide back and forth along the corresponding sliding rail, and the two driving mechanisms can respectively drive the corresponding upper trimming cutter head and the corresponding lower trimming cutter head of the trimming cutter to rotate and cut the strip steel;
The edge crushing scissors comprise edge crushing cutter head seats, upper edge crushing cutter heads and lower edge crushing cutter heads, wherein the edge crushing cutter head seats are positioned and arranged with the corresponding edge cutting cutter head seats of the edge cutting scissors, the upper edge crushing cutter heads and the lower edge crushing cutter heads are arranged on the edge crushing cutter head seats, the upper edge crushing cutter heads are positioned above the lower edge crushing cutter heads, the upper edge crushing cutter heads and the lower edge crushing cutter heads are mutually matched and arranged, the upper edge crushing cutter heads of the two edge crushing scissors are coaxially and oppositely arranged, and the lower edge crushing cutter heads of the two edge crushing scissors are coaxially and oppositely arranged; the upper edge breaking cutter heads and the lower edge breaking cutter heads of each group of edge breaking scissors are connected with the corresponding driving mechanisms, and the two driving mechanisms can respectively drive the upper edge breaking cutter heads and the lower edge breaking cutter heads of the corresponding edge breaking scissors to rotate and break waste edges sheared by the strip steel;
The upper trimming cutter head, the lower trimming cutter head, the upper broken edge cutter head and the lower broken edge cutter head are all water-cooling cutter heads.
2. The on-line trimming device in the process of casting and rolling the strip steel according to claim 1, wherein the driving mechanism comprises a first speed regulating motor, a first speed reducer, a second speed regulating motor, a second speed reducer and a hydraulic cylinder, the first speed regulating motor is in transmission connection with the upper trimming cutter head and the lower trimming cutter head of the corresponding trimming shears through the first speed reducer, and the first speed regulating motor can drive the upper trimming cutter head and the lower trimming cutter head of the corresponding trimming shears to rotate; the second speed regulating motor is in transmission connection with the corresponding upper edge crushing cutter head and the corresponding lower edge crushing cutter head through the second speed reducer, and the second speed regulating motor can drive the corresponding upper edge crushing cutter head and lower edge crushing cutter head of the edge crushing shears to rotate; the hydraulic cylinder is connected with the corresponding trimming cutter head seat of the trimming shears, and the hydraulic cylinder can drive the corresponding trimming cutter head seat of the trimming shears to slide reciprocally along the corresponding sliding rail.
3. The on-line trimming device according to any one of claims 1 to 2, wherein the on-line trimming device further comprises at least one set of pinch rolls, the pinch rolls comprising upper pinch rolls and lower pinch rolls arranged in opposition, the strip passing between the upper pinch rolls and the lower pinch rolls during the movement from the rolling mill to the coiler, the upper pinch rolls and the lower pinch rolls being capable of gripping and driving the strip to the coiler.
4. An on-line trimming device in a steel strip casting process according to claim 3, wherein two groups of pinch rolls are provided, one group of pinch rolls is located between the flying shears and the rolling mill, the other group of pinch rolls is located between the flying shears and the trimming assembly, and at least one group of pinch rolls is a correction pinch roll.
5. The on-line edge trimming device in the process of casting and rolling the strip steel according to claim 4, wherein the on-line edge trimming device in the process of casting and rolling the strip steel further comprises at least one pair of deviation rectifying sensors, and each pair of deviation rectifying sensors is respectively and correspondingly arranged on two sides of the roller way.
6. An on-line trimming method in a strip steel casting and rolling production process, characterized in that the on-line trimming method in a strip steel casting and rolling production process is implemented by adopting the on-line trimming device in a strip steel casting and rolling production process according to any one of claims 1 to 5, and the on-line trimming method in a strip steel casting and rolling production process comprises the following steps:
step S1: shearing the head of the strip steel processed by the rolling mill to obtain the strip steel after head cutting;
step S2: trimming the strip steel after the end cutting to obtain the strip steel after the end cutting;
step S3: and feeding the strip steel subjected to edge cutting into a coiling machine to be coiled.
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| CN111644244B (en) * | 2019-05-30 | 2024-05-17 | 襄阳博亚精工机器有限公司 | Scrap shears with multiple sets of tool bits |
| CN117428499A (en) * | 2023-11-16 | 2024-01-23 | 东莞市金峥机械有限公司 | Intelligent thick plate transverse cutting production line |
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