CN109261720A - A kind of Bar Wire Product cutting system end to end online - Google Patents
A kind of Bar Wire Product cutting system end to end online Download PDFInfo
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- CN109261720A CN109261720A CN201811208532.9A CN201811208532A CN109261720A CN 109261720 A CN109261720 A CN 109261720A CN 201811208532 A CN201811208532 A CN 201811208532A CN 109261720 A CN109261720 A CN 109261720A
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- 238000005520 cutting process Methods 0.000 title claims abstract description 63
- 238000010008 shearing Methods 0.000 claims abstract description 143
- 238000005096 rolling process Methods 0.000 claims abstract description 81
- 230000005540 biological transmission Effects 0.000 claims description 8
- 230000001360 synchronised effect Effects 0.000 claims description 8
- 238000011144 upstream manufacturing Methods 0.000 claims description 4
- 230000005674 electromagnetic induction Effects 0.000 claims description 3
- 230000001154 acute effect Effects 0.000 claims description 2
- 238000009825 accumulation Methods 0.000 abstract description 5
- 230000008859 change Effects 0.000 abstract description 3
- 238000000034 method Methods 0.000 description 8
- 238000004519 manufacturing process Methods 0.000 description 7
- 230000008569 process Effects 0.000 description 7
- 229910000831 Steel Inorganic materials 0.000 description 4
- 239000010959 steel Substances 0.000 description 4
- 229910001294 Reinforcing steel Inorganic materials 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000013467 fragmentation Methods 0.000 description 1
- 238000006062 fragmentation reaction Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000004044 response Effects 0.000 description 1
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21B—ROLLING OF METAL
- B21B15/00—Arrangements for performing additional metal-working operations specially combined with or arranged in, or specially adapted for use in connection with, metal-rolling mills
- B21B15/0007—Cutting or shearing the product
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21F—WORKING OR PROCESSING OF METAL WIRE
- B21F11/00—Cutting wire
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21B—ROLLING OF METAL
- B21B15/00—Arrangements for performing additional metal-working operations specially combined with or arranged in, or specially adapted for use in connection with, metal-rolling mills
- B21B15/0007—Cutting or shearing the product
- B21B2015/0014—Cutting or shearing the product transversely to the rolling direction
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Shearing Machines (AREA)
Abstract
The present invention provides a kind of Bar Wire Product cutting system end to end online, it is compared with the prior art, on the one hand, the Bar Wire Product online cut by the way that high speed disjunction is arranged end to end by cutting system, eliminate influence of the railway switch swing speed to shearing work, solves Bar Wire Product generated accumulation in lane change, the problems such as fractureing, thus fundamentally avoid the generation of shearing accident, at the same time, it is cut due to the high speed disjunction and the mill speed of shear velocity and Bar Wire Product is closely linked, to break the limitation further increased to bar and wire rod rolling process speed, so that cutting system can meet the requirement of high-speed rolling to the Bar Wire Product end to end online；On the other hand, being cut due to high speed disjunction can be rotated, and its position and the position of railway switch correspond, thus cutting system is only arranged a shearing channel functions such as cutting head, back-end crop and broken section can be realized the Bar Wire Product end to end online, not only simplify the structure of entire cutting system, spatial volume is reduced, operation cost is more reduced.
Description
Technical Field
The invention relates to the technical field of rod and wire shearing, in particular to a rod and wire on-line head and tail shearing system.
Background
Flying shears are common equipment on a reinforcing steel bar and wire production line, and mainly have the functions of carrying out fixed-length sectioning, head cutting and tail cutting on bars and wires. Meanwhile, if an accident occurs in production, the flying shears can also realize the function of breaking so as to ensure the production safety. The conventional flying shears include crank type flying shears, rotary flying shears or crank-rotary combined flying shears, etc., and they have the common feature that the shearing plane is perpendicular to the advancing direction of the rod and wire.
Flying shears are generally mounted on a shearing channel arranged alongside the rolling channel, the advancing rod wire being switched between the two channels by switches: after the flying shears complete shearing treatment on the rod and wire, the point switch immediately swings to introduce the rod and wire into the rolling channel for rolling; after the bar and wire are rolled, the point switch is immediately swung to introduce the bar and wire into the shearing channel for shearing treatment. Therefore, the length of the response time of the switch directly influences whether the whole steel bar and wire production line can normally operate: if the switch is not swung in time, the running rods and wires can impact the flying shears to be accumulated or broken (mainly after the end cutting treatment), thereby causing serious production accidents and huge property loss.
With the updating of the technology, the rolling speed of the bar and the wire is faster and faster, but the swing speed of the switch is influenced by self vibration or the performance of a servo motor, and the like, so that the rolling speed of the bar and the wire cannot be matched, that is, the traditional flying shear limits the further improvement of the rolling speed of the reinforcing steel bar and the wire. Therefore, it is necessary to design a system for shearing the bar and wire at the head and the tail, which can solve the problems of accumulation, breakage and the like of the bar and wire during lane changing and meet the requirement of high-speed rolling.
Disclosure of Invention
In order to solve the technical problems, the invention provides an on-line head and tail shearing system for bars and wires, which solves the problems of accumulation, breakage and the like of the bars and wires during lane changing by arranging high-speed breaking shears, fundamentally avoids shearing accidents and can meet the requirement of high-speed rolling.
Based on the above, the invention provides an on-line head-tail shearing system for rod and wire, which comprises a preposed channel, a rolling channel, a shearing channel, a switch, a high-speed breaking shear and a head-tail flying shear, wherein the rolling channel and the shearing channel are arranged side by side, the preposed channel is arranged at the upstream of the rolling channel and the shearing channel, the switch is arranged on the preposed channel and can swing back and forth between the rolling channel and the shearing channel, the high-speed breaking shear is arranged between the preposed channel and the rolling channel as well as between the rolling channel and the shearing channel, the high-speed breaking shear is provided with a shearing port for shearing rod and wire, the shearing port is arranged in a corner range of the switch, and the head-tail flying shear is arranged on the shearing channel;
the high-speed breaking shear comprises a first cutter disc, a second cutter disc and a motor, wherein an annular first shear blade is arranged at the edge of the first cutter disc, an annular second shear blade is arranged at the edge of the second cutter disc, the first cutter disc and the second cutter disc are arranged in a staggered mode, the first shear blade and the second shear blade are located in the same vertical plane, the vertical plane is marked as a shear plane, the first shear blade and the second shear blade form a shear opening in the shear plane, and the motor drives the first cutter disc and the second cutter disc to rotate oppositely;
the running speed of the rod and the wire in the rolling channel is recorded as V0Recording the linear velocity of the first and second cutting edges in the cutting opening as V1，V1And V0An included angle α is an acute angle;
the high-speed breaking shears can rotate by taking a vertical line passing through the shear opening as an axis and form a shearing position and a rolling position, and the position of the high-speed breaking shears and the position of the switch have the following relation:
when the point switch is positioned in the shearing channel, the high-speed breaking shear is positioned in the shearing position and V is1The direction of xsin α is the same as the direction in which the switch swings from the shearing channel to the rolling channel;
when the point switch is positioned on the rolling channel, the high-speed breaking shear is positioned on a rolling position and V is1The direction of x sin α is the same as the direction the switch swung from the rolling channel to the shearing channel.
Preferably, V1×cosα≥V0。
Preferably, the first cutter disc and the second cutter disc are respectively located on two sides of the shearing surface, and the first shear blade and the second shear blade intersect in the shearing surface to form the shearing opening.
Preferably, the rolling channel and the shearing channel are arranged side by side in the horizontal direction, the first cutter disc is arranged below the rolling channel and the shearing channel, and the second cutter disc is arranged above the first cutter disc.
As a preferred scheme, the high-speed breaking shear further comprises a first rotating shaft and a second rotating shaft, the first rotating shaft is connected with the first cutter disc, the second rotating shaft is connected with the second cutter disc, and the motor drives the first cutter disc and the second cutter disc to rotate oppositely through the first rotating shaft and the second rotating shaft.
As a preferable scheme, the high-speed breaking shear further comprises an input shaft, the input shaft is connected with the motor, an input gear is arranged on the input shaft, a first synchronous gear is arranged on the first rotating shaft, a second synchronous gear is arranged on the second rotating shaft, and the motor drives the first rotating shaft and the second rotating shaft to rotate oppositely through a transmission relation between the input gear and the first synchronous gear as well as the second synchronous gear.
Preferably, the first synchronizing gear and the second synchronizing gear are located on the same side of the shear plane, and the second synchronizing gear and the input gear are simultaneously meshed with the first synchronizing gear.
Preferably, the first synchronizing gear and the second synchronizing gear are respectively located on two sides of the shearing surface, the number of the input gears is two, the two input gears are respectively marked as a first input gear and a second input gear, the first synchronizing gear is meshed with the first input gear, and the second synchronizing gear and the second input gear are simultaneously meshed with a transmission gear arranged between the first synchronizing gear and the second input gear.
Preferably, the rotation angle of the high-speed cutting shears is 90 degrees.
Preferably, the switch is driven by a servo motor, a servo cylinder or an electromagnetic induction device.
The embodiment of the invention has the following beneficial effects:
the invention provides an on-line end-to-end shearing system for rod and wire rods, which comprises a preposed channel, a rolling channel, a shearing channel, a switch, a high-speed breaking shear and an end-to-end flying shear, wherein the rolling channel and the shearing channel are arranged side by side, the preposed channel is arranged at the upstream of the rolling channel and the shearing channel, the switch is arranged on the preposed channel and can swing back and forth between the rolling channel and the shearing channel, the high-speed breaking shear is arranged between the preposed channel and the rolling channel as well as between the rolling channel and the shearing channel, the high-speed breaking shear is provided with a shearing port for shearing the rod and wire rods, the shearing port is arranged in the corner range of the switch, and the end. Based on the structure, the point switch is firstly butted with the shearing channel, the high-speed breaking shear is positioned at the shearing position, the rod and the wire enter the shearing channel along the front channel, the head and tail cutting flying shear carries out head cutting treatment on the rod and the wire, the point switch swings towards the rolling channel after the rod and the wire meet the rolling requirement, in the process, the high-speed breaking shear carries out the last head cutting treatment on the rod and the wire, and the rod and the wire after the head cutting immediately enter the rolling channel to start rolling; then, the high-speed breaking shears rotate to the rolling position from the shearing position, after the bar and wire are rolled, the point switch swings to the shearing channel again, in the process, the high-speed breaking shears carry out the cutting treatment on the bar and wire, the bar and wire which meet the requirements continuously enter the next working procedure along the rolling channel, the rest of the tailings enter the shearing channel, and the flying shear at the head and the tail of the cutter carries out the tail cutting treatment on the bar and wire. Compared with the prior art, on one hand, the rod and wire on-line head and tail shearing system eliminates the influence of the swing speed of a point switch on shearing operation by arranging the high-speed breaking shears, solves the problems of accumulation, breakage and the like of the rod and wire during lane change, thereby fundamentally avoiding the occurrence of shearing accidents; on the other hand, the high-speed breaking shear can rotate, and the position of the high-speed breaking shear corresponds to the position of the point switch one by one, so that the functions of head cutting, tail cutting, segment breaking and the like of the bar wire can be realized by only arranging one shearing channel in the head and tail shearing system, the structure of the whole shearing system is simplified, the space volume is reduced, and the operation cost is further reduced.
Drawings
Fig. 1 is a schematic structural diagram of a rod and wire on-line end-to-end shearing system (high-speed breaking shear is located at a shearing position) according to a first embodiment of the invention;
fig. 2 is a schematic structural diagram of a rod and wire on-line end-to-end shearing system (high-speed breaking shear is located at a rolling station) according to a first embodiment of the invention;
fig. 3 is a schematic structural view of a high-speed breaking shear (single cutter head) according to a first embodiment of the invention;
fig. 4 is a schematic structural view of a high-speed breaking shear (double cutter head) according to a first embodiment of the invention;
fig. 5 is a schematic structural view of a high-speed breaking shear (single cutter head) according to a second embodiment of the invention;
fig. 6 is a schematic structural view of a high-speed breaking shear (double cutter head) according to a second embodiment of the present invention.
Description of reference numerals:
10. the high-speed cutting shear comprises a front channel, 20, a rolling channel, 30, a shearing channel, 40, a switch, 50, a high-speed cutting shear, 501, a first cutter disc, 502, a second cutter disc, 503, a motor, 504, a first cutting edge, 505, a second cutting edge, 506, a shearing surface, 507, a shearing opening, 508, an input shaft, 509, an input gear, 509a, a first input gear, 509b, a second input gear, 510, a first rotating shaft, 511, a first synchronizing gear, 512, a second rotating shaft, 513, a second synchronizing gear, 514, a transmission gear, 60 and a cutting head and tail flying shear.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Example one
As shown in fig. 1 to 2, an embodiment of the present invention provides a rod and wire on-line head and tail shearing system, which mainly includes a front channel 10, a rolling channel 20, a shearing channel 30, a switch 40, a high-speed breaking shear 50, and a head and tail cutting flying shear 60. The rolling channel 20 and the shearing channel 30 are arranged side by side along the horizontal direction, and the preposed channel 10 is arranged at the upstream of the rolling channel 20 and the shearing channel 30; the switch 40 is arranged on the front channel 10 and can swing back and forth between the rolling channel 20 and the shearing channel 30 so as to realize the channel changing function of the rod wire between the rolling channel 20 and the shearing channel 30, and the switch 40 can be driven by a servo motor, a servo cylinder or an electromagnetic induction device; the high-speed dividing shears 50 are arranged between the preposed channel 10 and the rolling channel 20 and the shearing channel 30, are provided with shear openings 507 for shearing the bar and wire rods, and the shear openings 507 are arranged in the rotating angle range of the switch 40, so that when the switch 40 swings and the bar and wire rods change the way between the rolling channel 20 and the shearing channel 30, the bar and wire rods can pass through the shear openings 507 to be cut by the high-speed dividing shears 50; the head and tail cutting flying shears 60 are arranged on the shearing channel 30 and used for performing head cutting, tail cutting and fragmentation processing on the rod and wire, and can be selected from traditional flying shears such as crank type flying shears, rotary flying shears or combined flying shears.
Specifically, as shown in fig. 3, the high-speed breaking shear 50 includes a first cutter 501, a second cutter 502 and a motor 503, an annular first cutting edge 504 is disposed on an edge of the first cutter 501, an annular second cutting edge 505 is disposed on an edge of the second cutter 502, the first cutter 501 and the second cutter 502 are arranged in a staggered manner, the first cutting edge 504 and the second cutting edge 505 are located in the same vertical plane, which is referred to as a shearing plane 506, the first cutter 501 and the second cutter 502 are located on two sides of the shearing plane 506 respectively, the first cutting edge 504 and the second cutting edge 505 intersect in the shearing plane 506 to form the shearing opening 507, the first cutter 501 is disposed below the rolling channel 20 and the cutting head channel 30, and the second cutter 502 is disposed above the first cutter 501. The motor 503 drives the first cutter disc 501 and the second cutter disc 502 to rotate towards each other, so as to realize the shearing function.
Further, as shown in fig. 3, the high-speed breaking shears 50 further comprises an input shaft 508, a first rotating shaft 510 and a second rotating shaft 512, wherein the input shaft 508 is connected with the motor 503, the first rotating shaft 510 is connected with the first cutter disc 501, and the second rotating shaft 512 is connected with the second cutter disc 502; the input shaft 508 is provided with an input gear 509, the first rotating shaft 510 is provided with a first synchronizing gear 511, the second rotating shaft 512 is provided with a second synchronizing gear 513, the first synchronizing gear 511 and the second synchronizing gear 513 are positioned on the same side of the shearing surface 506, and the second synchronizing gear 513 and the input gear 509 are meshed with the first synchronizing gear 511 at the same time. Based on this, the motor 503 drives the first synchronizing gear 511 and the second synchronizing gear 513 to rotate oppositely through the input gear 509, the first synchronizing gear 511 and the second synchronizing gear 513 drive the first rotating shaft 510 and the second rotating shaft 512 to rotate oppositely, and finally the first rotating shaft 510 and the second rotating shaft 512 drive the first cutter disc 501 and the second cutter disc 502 to rotate oppositely, so as to realize the shearing function. Of course, under the condition of proper rotation speed, two motors 503 may be provided, and the two motors 503 are respectively connected to the first rotating shaft 510 and the second rotating shaft 512, which can also achieve the purpose of driving the first cutter disc 501 and the second cutter disc 502 to rotate in opposite directions.
Yet furtherIn the following, the traveling speed of the rod and wire rod in the rolling pass 20 is denoted as V as shown in FIGS. 1 and 20The linear velocity of the first cutting edge 504 and the second cutting edge 505 in the shear opening 507 is denoted as V1，V1And V0An included angle α is provided therebetween, and the high-speed cutting shears 50 can rotate about a vertical line passing through the cutting opening 507 to form a cutting position and a rolling position, the rotation angle is 90 °, and the position of the high-speed cutting shears 50 and the position of the switch 40 have the following relationship:
when the switch 40 is located at the cutting passage 30, the high-speed breaking shear 50 is located at the cutting position, and V1The direction of x sin α is the same as the direction in which the switch 40 swings from the shearing channel 30 to the rolling channel 20;
when the switch 40 is located in the rolling pass 20, the high-speed breaking shear 50 is located in the rolling pass and V1The direction of x sin α is the same as the direction in which the switch 40 swings from the rolling channel 20 to the shearing channel 30.
Accordingly, when the switch 40 swings between the shearing lane 30 and the rolling lane 20, the high-speed cutting scissors 50 perform a shearing process on the bar wire at one time. In addition, V is provided to prevent the bar and wire from stacking and breaking during the cutting process of the high-speed cutting shears 501And V0The most preferred relationship between: v1×cosα≥V0。
Based on the structure, the working process of the rod and wire on-line head and tail shearing system provided by the embodiment of the invention comprises the following steps: the switch 40 is firstly butted with the shearing channel 30, the high-speed breaking shear 50 is positioned at the shearing position, the rod and wire enter the shearing channel 30 along the front channel 10, the head and tail cutting flying shear 60 performs head cutting treatment on the rod and wire, the switch 40 swings towards the rolling channel 20 after the rod and wire meet the rolling requirement, in the process, the high-speed breaking shear 50 performs the last head cutting treatment on the rod and wire, and the rod and wire after the head cutting immediately enter the rolling channel 20 to start rolling; then, the high-speed breaking shears 50 rotate from the shearing position to the rolling position, after the bar and wire are rolled, the switch 40 swings towards the shearing channel 30 again, in the process, the high-speed breaking shears 50 carry out the cutting treatment on the bar and wire, the bar and wire which meet the requirements continuously enter the next process along the rolling channel 20, the rest of the tailings enter the shearing channel 30, and the flying shear for cutting the head and the tail of the bar and wire carries out the tail cutting treatment.
It should be emphasized that, in a production line of steel bars and wires, a plurality of on-line head-tail shearing systems for the steel bars and wires provided by the embodiment of the invention can be arranged, and each on-line head-tail shearing system is matched with each rolling unit so as to meet the production requirements of the steel bars and wires.
Preferably, as shown in fig. 4, when the rolling channel 20 and the shearing channel 30 are provided in a plurality and arranged side by side, the first cutter disc 501 and the second cutter disc 502 may be provided in a plurality, the plurality of first cutter discs 501 are arranged in parallel and fixed on the same first rotating shaft 510, similarly, the plurality of second cutter discs 502 are arranged in parallel and fixed on the same second rotating shaft 512, and each first cutter disc 501 corresponds to each second cutter disc 502 one by one. Therefore, the high-speed breaking shears 50 can participate in forming a multi-group bar wire on-line head and tail shearing system at the same time, so that the occupied space of the bar wire on-line head and tail shearing system can be reduced, and the practicability of the bar wire on-line head and tail shearing system is improved.
Finally, it should be noted that the rolling channel 20 and the shearing channel 30 of the rod wire in the wire end-to-end shearing system provided by the embodiment of the present invention may also be arranged side by side or inclined at a certain angle in the vertical direction, wherein the rolling channel 20 is located between the shearing channel 30 and the end-to-end shearing channel 70; correspondingly, the switch 40 swings vertically, and the first cutter 501 and the second cutter 502 of the high-speed dividing shear 50 are respectively arranged at the left and right sides of the rolling channel 20 and the shearing channel 30. The technical effect of the on-line end-to-end cutting system for the arranged bar wires is the same as that described above, and the description thereof is omitted.
Example two
As shown in fig. 5 to 6, the only difference between the present embodiment and the first embodiment is that the first synchronizing gear 511 and the second synchronizing gear 513 are respectively located on both sides of the shearing surface 506, two input gears 509 are provided, the two input gears 509 are respectively referred to as a first input gear 509a and a second input gear 509b, the first synchronizing gear 511 is engaged with the first input gear 509a, and the second synchronizing gear 513 is engaged with the transmission gear 514 provided therebetween at the same time as the second input gear 509 b. Based on this, the motor 503 drives the first synchronizing gear 511 and the transmission gear 514 to rotate in the same direction through the first input gear 509a and the second input gear 509b, respectively, the transmission gear 514 then drives the second synchronizing gear 513 to rotate in the opposite direction, so as to realize the opposite rotation of the first synchronizing gear 511 and the second synchronizing gear 513, the first synchronizing gear 511 and the second synchronizing gear 513 then drive the first rotating shaft 510 and the second rotating shaft 512 to rotate in the opposite direction, and finally, the first rotating shaft 510 and the second rotating shaft 512 drive the first cutter disc 501 and the second cutter disc 502 to rotate in the opposite direction, so as to realize the cutting function. Except for the above differences, other specific structures of this embodiment are the same as those of the first embodiment, and the corresponding principles and technical effects are also the same, which are not described herein again.
In summary, the invention provides an on-line head and tail shearing system for rod and wire, compared with the prior art, on one hand, the on-line head and tail shearing system for rod and wire eliminates the influence of the swing speed of a point switch 40 on the shearing operation by arranging a high-speed breaking shear 50, and solves the problems of accumulation, breakage and the like of the rod and wire during lane changing, thereby fundamentally avoiding the occurrence of shearing accidents, and meanwhile, the high-speed breaking shear 50 closely links the shearing speed with the rolling speed of the rod and wire, thereby breaking the limitation of further improving the rolling speed of the rod and wire, and enabling the on-line head and tail shearing system for rod and wire to meet the requirement of high-speed rolling; on the other hand, the high-speed breaking shears 50 can rotate, and the positions of the high-speed breaking shears correspond to the positions of the switches 40 one by one, so that the functions of head cutting, tail cutting, segment crushing and the like can be realized by only arranging one shearing channel 30 in the head-tail shearing system of the bar wire, the structure of the whole shearing system is simplified, the space volume is reduced, and the operation cost is further reduced.
It should be understood that the terms "first", "second", etc. are used herein to describe various information, but the information should not be limited to these terms, which are only used to distinguish one type of information from another. For example, "first" information may also be referred to as "second" information, and similarly, "second" information may also be referred to as "first" information, without departing from the scope of the present invention.
The foregoing is directed to the preferred embodiment of the present invention, and it is understood that various changes and modifications may be made by one skilled in the art without departing from the spirit of the invention, and it is intended that such changes and modifications be considered as within the scope of the invention.
Claims (10)
1. An on-line head and tail shearing system for rod and wire rods is characterized by comprising a preposed channel, a rolling channel, a shearing channel, a switcher, a high-speed breaking shear and a head and tail shearing flying shear, wherein the rolling channel and the shearing channel are arranged side by side, the preposed channel is arranged at the upstream of the rolling channel and the shearing channel, the switcher is arranged on the preposed channel and can swing back and forth between the rolling channel and the shearing channel, the high-speed breaking shear is arranged between the preposed channel and the rolling channel as well as between the rolling channel and the shearing channel, the high-speed breaking shear is provided with a shearing opening for shearing rod and wire rods, the shearing opening is arranged in a rotation angle range of the switcher, and the head and tail shearing shear is arranged on the shearing channel;
the high-speed breaking shear comprises a first cutter disc, a second cutter disc and a motor, wherein an annular first shear blade is arranged at the edge of the first cutter disc, an annular second shear blade is arranged at the edge of the second cutter disc, the first cutter disc and the second cutter disc are arranged in a staggered mode, the first shear blade and the second shear blade are located in the same vertical plane, the vertical plane is marked as a shear plane, the first shear blade and the second shear blade form a shear opening in the shear plane, and the motor drives the first cutter disc and the second cutter disc to rotate oppositely;
the running speed of the rod and the wire in the rolling channel is recorded as V0Recording the linear velocity of the first and second cutting edges in the cutting opening as V1，V1And V0An included angle α is an acute angle;
the high-speed breaking shears can rotate by taking a vertical line passing through the shear opening as an axis and form a shearing position and a rolling position, and the position of the high-speed breaking shears and the position of the switch have the following relation:
when the point switch is positioned in the shearing channel, the high-speed breaking shear is positioned in the shearing position and V is1The direction of xsin α is the same as the direction in which the switch swings from the shearing channel to the rolling channel;
when the point switch is positioned on the rolling channel, the high-speed breaking shear is positioned on a rolling position and V is1The direction of x sin α is the same as the direction the switch swung from the rolling channel to the shearing channel.
2. The rod and wire end-to-end shearing system of claim 1, wherein V is1×cosα≥V0。
3. The rod and wire on-line end-to-end shearing system of claim 1, wherein the first cutter disc and the second cutter disc are respectively located on two sides of the shearing surface, and the first cutting edge and the second cutting edge intersect in the shearing surface to form the shearing opening.
4. The rod and wire on-line end-to-end shearing system of claim 1, wherein the rolling channel and the shearing channel are arranged side by side in a horizontal direction, the first cutterhead is arranged below the rolling channel and the shearing channel, and the second cutterhead is arranged above the first cutterhead.
5. The rod and wire on-line head-tail shearing system of claim 1, wherein the high-speed breaking shear further comprises a first rotating shaft and a second rotating shaft, the first rotating shaft is connected with the first cutter disc, the second rotating shaft is connected with the second cutter disc, and the motor drives the first cutter disc and the second cutter disc to rotate oppositely through the first rotating shaft and the second rotating shaft.
6. The rod and wire on-line head and tail shearing system according to claim 5, wherein the high-speed breaking shear further comprises an input shaft, the input shaft is connected with the motor, an input gear is arranged on the input shaft, a first synchronous gear is arranged on the first rotating shaft, a second synchronous gear is arranged on the second rotating shaft, and the motor drives the first rotating shaft and the second rotating shaft to rotate oppositely through a transmission relationship between the input gear and the first synchronous gear and the second synchronous gear.
7. The rod and wire end-to-end shearing system of claim 6, wherein said first synchronizing gear and said second synchronizing gear are located on the same side of said shear plane, said second synchronizing gear and said input gear being simultaneously meshed with said first synchronizing gear.
8. The rod and wire on-line end-to-end shearing system according to claim 6, wherein the first synchronizing gear and the second synchronizing gear are respectively located on two sides of the shearing surface, the number of the input gears is two, the two input gears are respectively designated as a first input gear and a second input gear, the first synchronizing gear is meshed with the first input gear, and the second synchronizing gear and the second input gear are simultaneously meshed with a transmission gear arranged between the first synchronizing gear and the second input gear.
9. The rod and wire on-line end-to-end shearing system of claim 1, wherein the rotation angle of the high speed breaking shear is 90 °.
10. The rod and wire end-to-end shearing system of claim 1, wherein said switches are driven by servo motors, servo cylinders or electromagnetic induction devices.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811208532.9A CN109261720B (en) | 2018-10-17 | 2018-10-17 | Online head and tail shearing system for rod wire |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811208532.9A CN109261720B (en) | 2018-10-17 | 2018-10-17 | Online head and tail shearing system for rod wire |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109261720A true CN109261720A (en) | 2019-01-25 |
| CN109261720B CN109261720B (en) | 2023-10-24 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811208532.9A Active CN109261720B (en) | 2018-10-17 | 2018-10-17 | Online head and tail shearing system for rod wire |
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| Country | Link |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4966060A (en) * | 1987-06-30 | 1990-10-30 | Danieli & C. Officine Meccaniche Spa | Very high speed flying shears |
| CN102441569A (en) * | 2011-12-09 | 2012-05-09 | 中冶南方（武汉）自动化有限公司 | New method for controlling flying shears for bars and wires based on T400 |
| CN202263769U (en) * | 2011-10-31 | 2012-06-06 | 西安航空发动机集团机电石化设备有限公司 | Novel flying shear device for high speed wire mill |
| CN203541076U (en) * | 2013-10-25 | 2014-04-16 | 贵州顶效经济开发区沈兴实业有限责任公司 | Double-disk type flying shears |
| CN103862094A (en) * | 2012-12-12 | 2014-06-18 | 攀钢集团攀枝花钢钒有限公司 | Shearing method by using circle shear and shearing method for hot-rolled steel strip |
| CN209272128U (en) * | 2018-10-17 | 2019-08-20 | 汉威广园(广州)机械设备有限公司 | A kind of Bar Wire Product cutting system end to end online |
-
2018
- 2018-10-17 CN CN201811208532.9A patent/CN109261720B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4966060A (en) * | 1987-06-30 | 1990-10-30 | Danieli & C. Officine Meccaniche Spa | Very high speed flying shears |
| CN202263769U (en) * | 2011-10-31 | 2012-06-06 | 西安航空发动机集团机电石化设备有限公司 | Novel flying shear device for high speed wire mill |
| CN102441569A (en) * | 2011-12-09 | 2012-05-09 | 中冶南方（武汉）自动化有限公司 | New method for controlling flying shears for bars and wires based on T400 |
| CN103862094A (en) * | 2012-12-12 | 2014-06-18 | 攀钢集团攀枝花钢钒有限公司 | Shearing method by using circle shear and shearing method for hot-rolled steel strip |
| CN203541076U (en) * | 2013-10-25 | 2014-04-16 | 贵州顶效经济开发区沈兴实业有限责任公司 | Double-disk type flying shears |
| CN209272128U (en) * | 2018-10-17 | 2019-08-20 | 汉威广园(广州)机械设备有限公司 | A kind of Bar Wire Product cutting system end to end online |
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| Publication number | Publication date |
|---|---|
| CN109261720B (en) | 2023-10-24 |
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