CN114473034B

CN114473034B - Device for improving shearing precision of multi-length shearing of bar wire

Info

Publication number: CN114473034B
Application number: CN202210239525.5A
Authority: CN
Inventors: 邹淑峰; 蔡清水; 徐成会; 杜希昌; 陈庆振
Original assignee: Shandong Iron and Steel Group Yongfeng Lingang Co Ltd
Current assignee: Shandong Iron and Steel Group Yongfeng Lingang Co Ltd
Priority date: 2022-03-11
Filing date: 2022-03-11
Publication date: 2023-04-07
Anticipated expiration: 2042-03-11
Also published as: CN114473034A

Abstract

The invention relates to the technical field of bar wire shearing, and discloses a device for improving shearing precision of a double-length shear of a bar wire, which comprises a first steel conveying belt for conveying the bar wire, wherein a double-length shear is installed at the center of the upper end of the first steel conveying belt, supporting frames are symmetrically connected to the first steel conveying belt on two sides of the double-length shear, a hot metal detector is connected to the inner top of each supporting frame, the distance between the double-length shear and the hot metal detector is 43 meters, a PLC (programmable logic controller) and a double-length shear control cabinet are fixedly connected to the center of the upper end of the double-length shear respectively, and output ends of the two hot metal detectors are connected with the input end of the PLC through wires respectively. The invention obtains accurate multiple length of steel, reduces cutting loss, improves yield, bundles and transports the cut bar wires, reduces physical consumption of workers, and supplies power only when a second steel conveying belt is needed to work, thereby reducing energy consumption.

Description

Device for improving shearing precision of multi-length shear of bar wire

Technical Field

The invention relates to the technical field of bar line shearing, in particular to a device for improving shearing precision of a multi-length shear of a bar line.

Background

The shearing length of the double-length shear in the traditional production line is timed by taking a zero-position proximity switch of the double-length shear as a trigger signal, the speed is converted by adopting a pulse signal of an encoder of an end mill, and the speed and the zero-position proximity switch are converted by a program to finally obtain the shearing length of the double-length shear. However, the distance between the tail mill and the double-length shear is long, so that an error exists in calculating the running speed of the steel, the length of the steel sheared by the double-length shear is unstable, and the length is deviated.

Disclosure of Invention

The invention aims to solve the problems that in the prior art, the length of steel sheared by a double-length shear is unstable and has deviation due to the fact that the distance between a final stand rolling mill and the double-length shear is long and an error exists in calculation of the running speed of the steel.

In order to achieve the purpose, the invention adopts the following technical scheme:

the utility model provides an improve device that shearing precision was cut to rod line multiple length, is including the first steel conveyer belt that is used for carrying the rod line, the upper end center department of first steel conveyer belt installs the multiple length and cuts, is located the symmetric connection has the support frame on the first steel conveyer belt that the multiple length was cut both sides, the interior top of support frame is connected with hot metal detector, the multiple length is cut and is 43 meters with the interval between the hot metal detector, the upper end center department that the multiple length was cut fixedly connected with PLC controller respectively and multiple length cut the switch board, two the output of hot metal detector is connected with the input of PLC controller through the wire respectively, the output of PLC controller is connected with the input of multiple length cutting the switch board through the wire, the output that the multiple length was cut the switch board is connected with the input of multiple length cutting through the wire.

Preferably, the model of the PLC controller is S7-1200, the PLC controller comprises an encoder, the encoder is connected with a PLC memory through a lead, the PLC memory is respectively connected with an output module and an input module through leads, the output ends of the two hot metal detectors are respectively connected with the input module through leads, and the input module is connected with the input end of the double-length shear control cabinet through leads.

Preferably, the hot metal detector is HMD3-4ZC1.

Preferably, the discharge end of first steel conveyer belt is equipped with discharge mechanism, discharge mechanism is including setting up the base at first steel conveyer belt discharge end, the top of base is equipped with the backup pad, the upper end parallel arrangement of first steel conveyer belt and backup pad, lower extreme one side of backup pad is connected with articulated seat, it is connected with the support column to rotate on the articulated seat, the upper end at the base is connected to the other end of support column, one side fixedly connected with pneumatic cylinder of support column is kept away from to the upper end of base, the output of pneumatic cylinder is connected with the roll frame, install the roll roller on the roll frame, the roll roller roll connection be in the lower extreme of backup pad, the upper end symmetric connection of backup pad has the subassembly of tying up, the one end that first steel conveyer belt was kept away from to the base is equipped with second steel conveyer belt.

Preferably, the upper end of the base is connected with a self-resetting inching button switch for starting and stopping the second steel conveying belt and an electric cabinet for supplying power to the second steel conveying belt, the self-resetting inching button switch, the electric cabinet and the second steel conveying belt are connected through a wire, a pressing plate is arranged above the self-resetting inching button switch, the lower end center of the pressing plate is fixedly connected with a pressing pipe with the upper end sealed, the inner pipe top of the pressing pipe is connected with a spring, the other end of the spring is fixedly connected with a pressing column, one end, away from the spring, of the pressing column penetrates through the pipe orifice of the pressing pipe and is movably arranged at the starting end of the self-resetting inching button switch, a supporting assembly is symmetrically connected onto the outer pipe wall of the pressing pipe, the lower end of the supporting plate corresponds to a position fixedly connected with a roller of the pressing plate, and the roller is in rolling connection with the upper end of the pressing plate.

Preferably, the bundling assembly comprises a full-automatic steel wire bundling machine, the type of the full-automatic steel wire bundling machine is DDD-6.5A, the full-automatic steel wire bundling machine is connected to the upper end of the supporting plate, a bundling groove is formed in the supporting plate and corresponds to the bundling end of the full-automatic steel wire bundling machine, the groove walls at the two ends of the bundling groove penetrate through the supporting plate, and the bundling end of the full-automatic steel wire bundling machine is arranged in the bundling groove.

Preferably, the support assembly comprises two support rods, the two support rods are symmetrically connected to the upper end of the base about the pressure pipe, the support rods are sleeved with support rings, one ends, close to the pressure pipe, of the support rings are fixedly connected with support blocks, and the other ends of the support blocks are fixedly connected to the outer pipe wall of the pressure pipe.

Compared with the prior art, the invention provides a device for improving the shearing precision of the double-length shear of the bar wire, which has the following beneficial effects:

1. this improve device of shearing precision is cut to rod line multiple length, when the rod line on first steel conveyer belt when two hot metal detector, through calculating the actual speed of rod line motion on first steel conveyer belt, the PLC controller triggers the multiple length and cuts the switch board, and the multiple length is cut the switch board and is sent shear signal to the multiple length to obtain accurate steel multiple length, reduced the loss of cut, improved the lumber recovery.

2. This improve device of shearing precision is cut to rod line multiple length, on the rod line transportation to the backup pad of shearing of first steel conveyer belt, tie up the rod line in the backup pad through two full-automatic steel wire bundling machines, tie up the transportation to the rod line of shearing completion again, reduced workman's physical demands.

3. According to the device for improving the shearing precision of the multi-length shearing of the bar wire, when the supporting plate deflects downwards, the self-reset inching button switch is started, the electric cabinet supplies power to the second steel conveying belt, the second steel conveying belt is started, and the bar wire which is inclined downwards on the supporting plate is conveyed; the supporting plate also prevents the self-reset inching button switch from being crushed in the downward deflection process; when the backup pad resets, the electric cabinet stops to the power supply of second steel conveyer belt, stops the power supply when not needing second steel conveyer belt work, only just supplies power when needing second steel conveyer belt work, has reduced the energy consumption.

The parts which are not involved in the device are the same as or can be realized by adopting the prior art, the invention obtains accurate steel material multiple length, reduces cutting loss, improves yield, bundles and transports the sheared bar wires, reduces physical consumption of workers, and simultaneously supplies power only when a second steel material conveying belt is needed to work, thereby reducing energy consumption.

Drawings

Fig. 1 is a schematic structural view of a device for improving the shearing precision of a double-length shear for bar wires, according to the present invention;

FIG. 2 is an enlarged view of portion A of FIG. 1;

FIG. 3 is an enlarged view of portion B of FIG. 1;

fig. 4 is a side view of a connecting part of a support plate and a full-automatic steel wire bundling machine in the device for improving the shearing precision of the double-length shear of the bar material wire.

In the figure: 1. a first steel conveyor belt; 2. cutting at multiple scales; 3. a support frame; 4. a hot metal detector; 5. a base; 6. a support plate; 7. a hinged seat; 8. a support pillar; 9. a hydraulic cylinder; 10. a rolling frame; 11. a rolling roller; 12. a second steel material conveying belt; 13. a self-reset click button switch; 14. an electric cabinet; 15. pressing a plate; 16. pressing a pipe; 17. a spring; 18. pressing the column; 19. a roller; 20. a full-automatic steel wire bundling machine; 21. a bundling groove; 22. a support bar; 23. a support ring; 24. a support block; 25. a PLC controller; 26. a multiple length shear control cabinet.

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.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.

Referring to fig. 1, a device for improving shearing precision of a bar line double-length shear, the upper end center of a first steel conveyer belt 1 is provided with a double-length shear 2, the first steel conveyer belt 1 on two sides of the double-length shear 2 is symmetrically connected with a support frame 3, the inner top of the support frame 3 is connected with a hot metal detector 4, the hot metal detector 4 is HMD3-4ZC1, the distance between the double-length shear 2 and the hot metal detector 4 is 43 meters, the upper end center of the double-length shear 2 is respectively fixedly connected with a PLC 25 and a double-length shear control cabinet 26, the output ends of the two hot metal detectors 4 are respectively connected with the input end of the PLC 25 through wires, the output end of the PLC 25 is connected with the input end of the double-length shear control cabinet 26 through wires, and the output end of the double-length shear control cabinet 26 is connected with the input end of the double-length shear 2 through wires.

The PLC 25 is S7-1200, the PLC 25 comprises an encoder, the encoder is connected with a PLC memory through a lead, the PLC memory is respectively connected with an output module and an input module through leads, the output ends of the two hot metal detectors 4 are respectively connected with the input module through leads, and the input module is connected with the input end of a double-length shear control cabinet 26 through leads.

Through calculating the actual speed that the rod line moved on first steel conveyer belt 1, PLC controller 25 triggered the multiple length and cut switch board 26, and the multiple length is cut switch board 26 and is cut 2 to the multiple length and send shear signal to obtain accurate steel multiple length, reduced the cutting loss, improved the yield.

Referring to fig. 1 and 4, the discharge end of first steel conveyer belt 1 is equipped with discharge mechanism, discharge mechanism is including setting up base 5 at 1 discharge end of first steel conveyer belt, the top of base 5 is equipped with backup pad 6, the upper end parallel arrangement of first steel conveyer belt 1 and backup pad 6, lower extreme one side of backup pad 6 is connected with articulated seat 7, it is connected with support column 8 to rotate on articulated seat 7, the upper end at base 5 is connected to the other end of support column 8, one side fixedly connected with pneumatic cylinder 9 of support column 8 is kept away from to the upper end of base 5, the output of pneumatic cylinder 9 is connected with rolls frame 10, install roller 11 on the roll frame 10, roller 11 roll connection is at the lower extreme of backup pad 6.

The upper end symmetric connection of backup pad 6 has the subassembly of tying up, it includes full-automatic wire bundling machine 20 to tie up the subassembly, the model of full-automatic wire bundling machine 20 is according to DDD-6.5A, full-automatic wire bundling machine 20 is connected in the upper end of backup pad 6, it has seted up to tie up the groove 21 to correspond the end of tying up of full-automatic wire bundling machine 20 on backup pad 6, the both ends cell wall of tying up the groove 21 runs through backup pad 6 and sets up, the end of tying up of full-automatic wire bundling machine 20 sets up in tying up the groove 21.

Referring to fig. 1-3, a second steel conveyer belt 12 is arranged at one end of a base 5 far away from a first steel conveyer belt 1, the upper end of the base 5 is connected with a self-resetting inching button switch 13 for starting and stopping the second steel conveyer belt 12, an electric cabinet 14 for supplying power to the second steel conveyer belt 12, the self-resetting inching button switch 13, the electric cabinet 14 and the second steel conveyer belt 12 are connected through wires, a pressing plate 15 is arranged above the self-resetting inching button switch 13, a roller 19 is fixedly connected to the lower end of a supporting plate 6 corresponding to the position of the pressing plate 15, and the roller 19 is in rolling connection with the upper end of the pressing plate 15.

The sealed pipe 16 that presses that sets up of lower extreme center department fixedly connected with upper end of clamp plate 15, the inner tube top of pressing pipe 16 is connected with spring 17, spring 17's other end fixedly connected with compression leg 18, the pressure that spring 17 compression needs is greater than presses the pressure that starts the needs from the reset point push button switch 13, the one end that spring 17 was kept away from to compression leg 18 passes the mouth of pipe of pressing pipe 16 and the activity sets up at the start-up end from reset point push button switch 13, when pressing pipe 16 downstream, drive compression leg 18 downstream through spring 17 earlier and press and start from reset point push button switch 13, when reaching the maximum stroke value from reset point push button switch 13, along with pressing pipe 16 and continuing the downstream, press the interior spring 17 of pipe 16 and take place the compression.

Pipe 16's outer pipe wall go up symmetrical connection and have a supporting component, supporting component includes two spinal branch vaulting poles 22, two spinal branch vaulting poles 22 are about pressing the upper end of pipe 16 symmetric connection at base 5, sliding connection has the support ring 23 to overlap on the bracing piece 22, the support ring 23 is close to the one end fixedly connected with supporting shoe 24 of pressing the pipe 16, the other end fixed connection of supporting shoe 24 is on pressing the outer pipe wall of pipe 16, because the support ring 23 can only slide on the bracing piece 22, and then carry on spacingly through the movement direction of pipe 16 and clamp plate 15 of 24 counterpressure, make clamp plate 15 only can be the steady motion of vertical direction.

In the invention, when a bar wire on a first steel conveying belt 1 passes through two hot metal detectors 4, the two hot metal detectors 4 transmit signals to a PLC (programmable logic controller) 25, the PLC 25 calculates the time of the bar wire passing through the two hot metal detectors 4, the actual speed of the bar wire moving on the first steel conveying belt 1 is calculated according to the actual distance between the two hot metal detectors 4, the PLC 25 triggers a double-length shear control cabinet 26 by calculating the actual speed of the bar wire moving on the first steel conveying belt 1, and the double-length shear control cabinet 26 sends a shearing signal to the double-length shears 2, so that the accurate length of the double-length steel is obtained, the cutting loss is reduced, and the yield is improved; the method comprises the steps that a first steel conveying belt 1 conveys sheared bar wires to a supporting plate 6, the bar wires on the supporting plate 6 are bundled through two full-automatic steel wire bundling machines 20, after bundling is finished, a hydraulic cylinder 9 is started, the output end of the hydraulic cylinder 9 descends, a rolling frame 10 drives a rolling roller 11 to descend synchronously, the supporting plate 6 deflects downwards with a hinge joint of a supporting column 8 and a hinge seat 7 as a center, when the supporting plate 6 deflects downwards, the supporting plate 6 drives a roller 19 to rotate downwards synchronously, the roller 19 rolls at the upper end of a pressing plate 15, the pressing plate 15 drives a pressing pipe 16 to move downwards synchronously after being stressed, when the pressing pipe 16 moves downwards, a pressing column 18 is driven by a spring 17 to move downwards synchronously and presses on a self-reset point-operated button switch 13, the self-reset point-operated button switch 13 is started, an electric control box 14 supplies power to a second steel conveying belt 12, the second steel conveying belt 12 is started, the bar wires which incline down on the supporting plate 6 are conveyed, the sheared bar wires are conveyed, the pressing pipe wires are bundled and conveyed, the pressing rod wires, the pressing column 13 is reduced in physical power consumption of workers, the supporting plate 5 is also in the pressing column 18 in the deflecting process, the pressing button switch, the pressing button 18, the pressing button 16 is prevented, the pressing button 16 is pressed by the self-reset point-operated, and the pressing button switch, the pressing button 13, and the pressing button 16 is prevented from moving downwards, and the pressing button 16 is compressed after the pressing button 16 is compressed; after the bar wire is conveyed on the supporting plate 6, the hydraulic cylinder 9 pushes the supporting plate 6 to reset through the rolling roller 11, when the supporting plate 6 resets, the roller 19 does not apply pressure to the pressing plate 15 any more, under the action of the compressed spring 17 and the reset force of the self-reset inching button switch 13, the pressing pipe 16, the pressing plate 15 and the self-reset inching button switch 13 automatically reset, the electric cabinet 14 stops supplying power to the second steel conveying belt 12, the electric cabinet stops supplying power when the second steel conveying belt 12 does not need to work, the electric cabinet supplies power only when the second steel conveying belt 12 works, and energy consumption is reduced.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.

Claims

1. A device for improving shearing precision of a double-length shear of a bar wire comprises a first steel conveying belt for conveying the bar wire, and is characterized in that a double-length shear is installed at the center of the upper end of the first steel conveying belt, supporting frames are symmetrically connected to the first steel conveying belt on two sides of the double-length shear, a hot metal detector is connected to the inner top of each supporting frame, the distance between the double-length shear and the hot metal detector is 43 meters, a PLC (programmable logic controller) and a double-length shear control cabinet are fixedly connected to the center of the upper end of the double-length shear respectively, the output ends of the two hot metal detectors are connected with the input end of the PLC through wires respectively, the output end of the PLC shear is connected with the input end of the double-length control cabinet through a wire, the output end of the double-length shear control cabinet is connected with the input end of the double-length shear through a wire, and the model of the PLC is S7-1200, the PLC controller comprises an encoder, the encoder is connected with a PLC storage through a lead, the PLC storage is respectively connected with an output module and an input module through leads, the output ends of the two hot metal detectors are respectively connected with the input module through leads, the input module is connected with the input end of a double-length shear control cabinet through leads, the model of the hot metal detectors is HMD3-4ZC1, the discharge end of the first steel conveying belt is provided with a discharge mechanism, the discharge mechanism comprises a base arranged at the discharge end of the first steel conveying belt, a support plate is arranged above the base, the first steel conveying belt is arranged in parallel with the upper end of the support plate, one side of the lower end of the support plate is connected with a hinge seat, a support column is rotatably connected on the hinge seat, and the other end of the support column is connected with the upper end of the base, the utility model discloses a press pipe, including base, support column, rolling roller, automatically reset point-operated button switch, electric cabinet, automatically reset point-operated button switch, electric cabinet and second steel conveyer belt, the upper end of base is kept away from one side fixedly connected with pneumatic cylinder of support column, the output of pneumatic cylinder is connected with the roll frame, the roll roller is installed on the roll frame, the roll roller roll connection be in the lower extreme of backup pad, the subassembly is tied up to the upper end symmetric connection of backup pad, the one end that first steel conveyer belt was kept away from to the base is equipped with the second steel conveyer belt, the upper end of base is connected with and is used for opening and close the automatically reset point-operated button switch, and be used for right the electric cabinet of second steel conveyer belt power supply, automatically reset point-operated button switch, electric cabinet and second steel conveyer belt are connected through the wire, automatically reset point-operated button switch's top is equipped with the clamp plate, the sealed pressure pipe that sets up in lower extreme center department fixedly connected with the upper end of clamp plate, the inner tube top of pressing the pipe is connected with the spring, the other end fixedly connected with pressure post of spring, the pressure pipe is kept away from the mouth of pipe and the activity setting in the start-up end of clamp plate, the symmetric connection has the support assembly on the outer pipe wall of pressing, the lower extreme of backup pad corresponds the position fixedly connected with of clamp plate, the gyro wheel is connected with the gyro wheel.

2. The device for improving the shearing precision of the double-length shears of the bar material wires according to claim 1, wherein the bundling assembly comprises a full-automatic steel wire bundling machine, the model of the full-automatic steel wire bundling machine is Elida DDD-6.5A, the full-automatic steel wire bundling machine is connected to the upper end of a supporting plate, a bundling groove is formed in the supporting plate and corresponds to the bundling end of the full-automatic steel wire bundling machine, the groove walls at two ends of the bundling groove penetrate through the supporting plate, and the bundling end of the full-automatic steel wire bundling machine is arranged in the bundling groove.

3. The device according to claim 1, wherein the support assembly comprises two support rods, the two support rods are symmetrically connected to the upper end of the base about the pressure pipe, a support ring is sleeved on the support rods and slidably connected to the support rods, a support block is fixedly connected to one end of the support ring close to the pressure pipe, and the other end of the support block is fixedly connected to the outer pipe wall of the pressure pipe.