CN110948041A - Shearing machine knife gap detection early warning device and knife gap detection early warning method thereof - Google Patents
Shearing machine knife gap detection early warning device and knife gap detection early warning method thereof Download PDFInfo
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- CN110948041A CN110948041A CN201911409734.4A CN201911409734A CN110948041A CN 110948041 A CN110948041 A CN 110948041A CN 201911409734 A CN201911409734 A CN 201911409734A CN 110948041 A CN110948041 A CN 110948041A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23D—PLANING; SLOTTING; SHEARING; BROACHING; SAWING; FILING; SCRAPING; LIKE OPERATIONS FOR WORKING METAL BY REMOVING MATERIAL, NOT OTHERWISE PROVIDED FOR
- B23D33/00—Accessories for shearing machines or shearing devices
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21C—MANUFACTURE OF METAL SHEETS, WIRE, RODS, TUBES OR PROFILES, OTHERWISE THAN BY ROLLING; AUXILIARY OPERATIONS USED IN CONNECTION WITH METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL
- B21C47/00—Winding-up, coiling or winding-off metal wire, metal band or other flexible metal material characterised by features relevant to metal processing only
- B21C47/16—Unwinding or uncoiling
- B21C47/18—Unwinding or uncoiling from reels or drums
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D1/00—Straightening, restoring form or removing local distortions of sheet metal or specific articles made therefrom; Stretching sheet metal combined with rolling
- B21D1/02—Straightening, restoring form or removing local distortions of sheet metal or specific articles made therefrom; Stretching sheet metal combined with rolling by rollers
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D43/00—Feeding, positioning or storing devices combined with, or arranged in, or specially adapted for use in connection with, apparatus for working or processing sheet metal, metal tubes or metal profiles; Associations therewith of cutting devices
- B21D43/02—Advancing work in relation to the stroke of the die or tool
- B21D43/04—Advancing work in relation to the stroke of the die or tool by means in mechanical engagement with the work
- B21D43/08—Advancing work in relation to the stroke of the die or tool by means in mechanical engagement with the work by rollers
- B21D43/09—Advancing work in relation to the stroke of the die or tool by means in mechanical engagement with the work by rollers by one or more pairs of rollers for feeding sheet or strip material
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
- B23Q15/00—Automatic control or regulation of feed movement, cutting velocity or position of tool or work
- B23Q15/007—Automatic control or regulation of feed movement, cutting velocity or position of tool or work while the tool acts upon the workpiece
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Crushing And Pulverization Processes (AREA)
Abstract
The invention provides a shearing machine knife clearance detection early warning device and a knife clearance detection early warning method thereof, which comprise a base bracket, the flying shear capable of automatically detecting the thickness and controlling the speed also comprises a feeding mechanism, a leveling mechanism, a shearing mechanism, a discharging mechanism, a clearance detection warning mechanism and a PLC control system, the steel plate is conveyed and sheared through the feeding mechanism, the shearing mechanism and the discharging mechanism, the steel plate thickness and the cutter clearance are detected by the clearance detection warning mechanism, the detected steel plate thickness and the cutter clearance are matched with the set standard steel plate thickness and the corresponding cutter clearance, the unmatched data are reported to the police through the audible and visual alarm to remind workers of checking and adjusting, and the influence on shearing quality and the damage to equipment caused by large gap errors between the thickness of the steel plate and the knife are effectively prevented, so that the shearing quality and the service life of the equipment are guaranteed.
Description
Technical Field
The invention relates to the field of hardware machining equipment, in particular to a shearing machine knife gap detection early warning device and a knife gap detection early warning method thereof.
Background
The steel plate is usually in a coil shape before use, the steel plate coil needs to be sheared, when the steel plate is sheared by steel plate shearing equipment, the cutter clearance is an important shearing parameter of ten powders and is directly related to the shearing quality of the steel plate and the service life of the cutter, however, in the practical daily use, the material coefficients are different due to different thicknesses of the steel plates, which affects the different cutter gaps after the steel plates are sheared, the cutter gaps corresponding to the thicknesses of the steel plates have errors, which may cause quality accidents such as shearing deformation, high burrs and the like, or the cutter and the equipment are damaged, thereby reducing the production efficiency and quality and increasing the production cost, therefore, it is necessary to design a method for matching the thickness of the steel plate and the gap of the corresponding cutter, and the steel plate shearing device which is used for warning the mismatching can prevent the low-quality shearing and equipment damage caused by the mismatching of the thickness of the steel plate and the clearance of the cutter.
Disclosure of Invention
The invention aims to provide a shearing machine knife gap detection early warning device, which can be used for a steel plate shearing device for performing mismatch warning and preventing low-quality shearing and equipment damage caused by mismatch of the thickness of a steel plate and a knife gap.
In order to achieve the purpose, the shearing machine knife gap detection early warning device provided by the invention is used for shearing a steel plate and comprises a base support, and the automatic thickness detection and speed control flying shear further comprises a feeding mechanism, a shearing mechanism, a discharging mechanism, a gap detection warning mechanism and a PLC (programmable logic controller) control system;
the feeding mechanism comprises an unwinding shaft and a first motor which are sequentially arranged in the horizontal direction, and the first motor is connected with the unwinding shaft and used for driving the unwinding shaft to rotate;
the leveling mechanism comprises a first transition roller part, a first leveling roller part and a second leveling roller part, wherein the first transition roller part comprises a first driving transition roller and a first driven transition roller correspondingly arranged above the driving transition roller, the first leveling roller part comprises a first driving leveling roller and a first driven leveling roller correspondingly arranged above the first driving leveling roller, the second leveling roller part comprises a second driving leveling roller and a second driven leveling roller correspondingly arranged above the second driving leveling roller, the first driving transition roller is driven by a second motor, the first driven transition roller is driven by a third motor, the rotating direction of the first driving transition roller is opposite to that of the first driven transition roller, and the first driving leveling roller and the second driving leveling roller are driven by a fourth motor;
the shearing mechanism is arranged on one side of the second leveling roller piece, which is far away from the first leveling roller, and comprises a sliding seat arranged on the base support, a lower cutting knife arranged on the sliding seat, a fixed seat arranged above the lower cutting knife, an upper cutting knife arranged on one side, which is close to the lower cutting knife, of the fixed seat, a driving roller and a fifth motor arranged below the fixed seat, the fixed seat is fixedly connected with the base support, two ends of the driving roller are connected with two sides of the base support through a crank rocker mechanism, the driving roller is connected with the sliding seat through a preset number of driving rods, the driving rods are connected with the sliding seat in a sliding manner and are connected with the driving roller in a rotating manner, and the crank rocker mechanism is driven by the fifth motor to drive the driving roller to do circular motion, thereby driving the sliding seat to do up-and-down reciprocating motion; the discharging mechanism is arranged at one end of the shearing part, which is far away from the unreeling shaft, the discharging part comprises a conveying device and a sixth motor, and the sixth motor is used for driving the conveying device to convey the steel plate; the PLC control system comprises an operation box, a touch display screen used for displaying and inputting data and operation instructions is arranged on the operation box, the operation box is provided with a control switch used for controlling the power supply of the operation box, the control switch of the first motor, the second motor, the third motor, the fourth motor and the fifth motor is used for controlling the detection and warning mechanism of the gap detection and warning mechanism, the detection and warning mechanism of the gap detection and warning mechanism comprises a first thickness sensor and a second thickness sensor which are respectively arranged on one side of the unwinding shaft, a pair of photoelectric switches arranged on one side of the shearing mechanism close to the feeding mechanism, a gap sensor and a acousto-optic alarm which are arranged on one side of the upper cutter and far away from the lower cutter, and the first thickness sensor, the second thickness sensor, the pair of photoelectric switches, The gap sensor and the audible and visual alarm are connected with the PLC control system.
Further preferably, one end of the driving rod connected with the driving roller is provided with a sleeve joint ring, the inner diameter of the sleeve joint ring is matched with the outer diameter of the driving roller, and the sleeve joint ring is sheathed on the driving roller
Further preferably, the conveying means is a conveyor belt or a conveyor roller.
Preferably, a collecting mechanism is arranged at one end of the discharging mechanism, which is far away from the shearing mechanism, and is used for collecting the sheared steel plates.
Further preferably, the collecting mechanism comprises a collecting frame and a predetermined number of partition plates, and the partition plates are detachably inserted into the collecting frame.
Preferably, the collecting frame is a rectangular structure without a cover, and is composed of a square bottom plate and four side plates, one side plate far away from the conveying device is rotatably connected with the bottom plate, and is detachably connected with two adjacent side plates.
Preferably, a second transition roller piece is further arranged between the shearing mechanism and the feeding mechanism, the second transition roller piece comprises a predetermined number of second driving transition rollers and a predetermined number of second driven transition rollers, and the second transition roller piece is used for guiding the conveying direction of the steel plate.
Further preferably, a supporting plate is arranged on one side of the lower cutter close to the second leveling roller, and the supporting plate is connected with the sliding seat through a spring.
The invention also provides a knife gap detection and early warning method of the shearing machine knife gap detection and early warning device, which comprises the following steps:
1) the operation switch is turned on, and data programming is carried out on the thickness of the steel plate and the knife gap corresponding to the matching of the steel plate thickness and the knife gap through the touch display screen;
2) sleeving a steel plate coil to be processed on the unwinding shaft, and starting the control switch to enable the steel plate to be conveyed towards the discharging mechanism;
3) the gap sensor detects gap data between the lower cutter and the upper cutter and transmits the gap data to the PLC control system, and the first thickness sensor and the second thickness sensor detect steel plate thickness data and feed the thickness data back to the controller;
4) when the steel plate is conveyed to the opposite-shooting photoelectric switch position, the opposite-shooting photoelectric switch position detects the steel plate, the PLC control system starts to identify and match the thickness of the steel plate and the knife gap, compares the detected thickness of the steel plate and the knife gap with the set thickness of the steel plate and the corresponding knife gap, and if the detected thickness of the steel plate and the knife gap are not matched with the set thickness of the steel plate and the corresponding knife gap, the PLC control system controls the audible and visual alarm to be turned on, performs audible and visual alarm and controls the control switch to be turned off at the same time.
The invention has the beneficial effects that: the shearing machine knife clearance detection early warning device provided by the invention can detect the thickness of the steel plate and the knife clearance, match the detected thickness of the steel plate and the knife clearance with different knife clearances corresponding to different steel plate thicknesses with set standards, and carry out sound-light alarm and emergency shutdown if the two sets of data are not matched, so as to carry out real-time detection alarm and control on the thickness of the steel plate and the knife clearance corresponding to the thickness of the steel plate in real time, and can prevent the shearing quality influence and equipment damage caused by large error between the thickness of the steel plate and the knife clearance, thereby ensuring the shearing quality and the service life of the equipment.
Through setting up first transition roller spare, first flattening roller spare, second flattening roller spare and second transition roller spare for the steel sheet can level and smooth the conveying, makes at every turn to cut and passes through the steel sheet length of cutter is unanimous down, cuts length accuracy, just the layer board sets up and can prevent down that the cutter from causing the scratch to the steel sheet surface, guarantees product appearance and quality. The steel plates can be orderly stacked and collected through the arrangement of the collecting mechanism, the collecting mechanism is convenient to collect, does not need to be arranged, is convenient to unload from one end, and reduces the labor intensity of workers for arranging the steel plates.
Drawings
Fig. 1 is a schematic structural view of a part of a shearing machine knife gap detection early warning device provided in a first embodiment;
fig. 2 is a schematic structural view of a shearing mechanism in the device for detecting and warning a gap between scissors in a shearing machine according to the first embodiment.
Detailed Description
The embodiments described below are only a part of the embodiments of the present invention, and not all of them. 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 1
Referring to fig. 1, the embodiment provides a shearing machine sword clearance detects early warning device for steel sheet shearing, includes a base support, a feed mechanism, a shearing mechanism, a discharge mechanism, a clearance detects warning mechanism and a PLC control system.
The feeding mechanism comprises an unwinding shaft and a first motor which are sequentially arranged in the horizontal direction, and the first motor is connected with the unwinding shaft and used for driving the unwinding shaft to rotate. The leveling mechanism comprises a first transition roller part, a first leveling roller part and a second leveling roller part, wherein the first transition roller part comprises a first driving transition roller and a first driven transition roller correspondingly arranged above the driving transition roller, the first leveling roller part comprises a first driving leveling roller and a first driven leveling roller correspondingly arranged above the first driving leveling roller, the second leveling roller part comprises a second driving leveling roller and a second driven leveling roller correspondingly arranged above the second driving leveling roller, the first driving transition roller is driven by a second motor, the first driven transition roller is driven by a third motor, the rotating direction of the first driving transition roller is opposite to that of the first driven transition roller, and the first driving leveling roller and the second driving leveling roller are driven by a fourth motor; the first motor, the second motor, the third motor and the fourth motor are all connected with the PLC control system.
Referring to fig. 1 and 2, the shearing mechanism is disposed on a side of the second leveling roller far from the first leveling roller, the shearing mechanism includes a sliding seat 25 disposed on the base bracket, a lower cutting knife 21 disposed on the sliding seat 25, a fixed seat 26 disposed above the lower cutting knife 21, an upper cutting knife 22 disposed on a side of the fixed seat 26 close to the lower cutting knife 21, a driving roller 23 disposed below the fixed seat 26, the fixed seat 26 is fixedly connected to the base bracket, two ends of the driving roller 23 are connected to two sides of the base bracket through a crank and rocker mechanism, the driving roller 23 is connected to the sliding seat 25 through a predetermined number of driving rods 24, one end of the driving rod 24 connected to the sliding seat 25 can slide on the sliding seat 25 in a reciprocating manner along a steel strip conveying direction, the drive rod 24 with the one end that the drive roller 23 is connected is equipped with a set of adapter ring 241, the internal diameter of set of adapter ring 241 with the adaptation of drive roller 23 external diameter, set of adapter ring 241 cup joints on the drive roller 23, with the drive roller 23 rotates to be connected. The crank rocker mechanism is driven by the fifth motor to drive the driving roller 23 to do circular motion, so as to drive the sliding seat 25 to do up-and-down reciprocating motion, and the third motor is connected with the PLC control system. A second transition roller piece is further arranged between the shearing mechanism and the feeding mechanism, the second transition roller piece comprises a second driving transition roller 27 with a preset number and a second driven transition roller 28 with a preset number, the second driving transition roller 27 is arranged above the second driving transition roller 27, the second driving transition roller 27 is driven by a seventh motor to rotate the second driven transition roller 28, the second driving transition roller 27 and the second driven transition roller 28 rotate in the direction of the second driving transition roller 27 through an eighth motor, and the second driving transition roller 27 and the second driven transition roller 28 are matched to convey the steel plate to the shearing mechanism. The lower cutter 21 is close to be close to one side of second leveling roller is provided with a layer board 29, layer board 29 through a spring 291 with the sliding seat 25 is connected, layer board 29 is close to the one side plane of fixing base 26 is slightly higher than the lower cutter 21 height, layer board 29 is used for holding the steel sheet, prevents that the steel sheet from contacting in the data send the lower cutter 21 conveying, the lower cutter 21 causes the scratch to the steel sheet surface. First driven transition roller 13 first driven flattening roller 15 the driven flattening roller 17 of second with the driven transition roller 28 both ends of second all with base leg joint, and have the tie point of the different height of predetermined quantity, can adjust from top to bottom according to different steel sheet thickness, make first initiative transition roller 12 with first driven transition roller 13, first initiative flattening roller 14 with first driven flattening roller 15, the second initiative flattening roller 16 with the driven flattening roller 17 of second, and the second initiative transition roller 27 with interval steel sheet thickness looks adaptation between the second initiative transition roller 27.
The discharging mechanism is arranged at one end, far away from the unreeling shaft 11, of the shearing part, the discharging part comprises a conveying device 31 and a sixth motor, the sixth motor is used for driving the conveying device 31 to convey steel plates, and the conveying device 31 can be a conveying belt or a conveying roller. The end of the discharging mechanism, which is far away from the shearing mechanism, is provided with a collecting mechanism for collecting the sheared steel plates, the collecting mechanism comprises a collecting frame 41 and a preset number of partition plates 42, the collecting frame 41 is of an uncovered cuboid structure and is composed of a square bottom plate and four side plates vertically connected with four sides of the bottom plate, one side plate, which is far away from the conveying device 31, is rotatably connected with the bottom plate and is detachably connected with two adjacent side plates, two sides, which are far away from the conveying device 31 and are close to the two adjacent side plates, of the side plate are respectively provided with a connecting buckle, one side, which is close to the side plate, which is far away from the conveying device 31, of the two side plates is respectively provided with a rubber ring, the side plate, which is far away from the conveying device 31, is connected with the two adjacent side plates through the rubber rings and the connecting buckles, and the rubber rings are sleeved on the corresponding, when the steel plates are collected, the rubber rings are sleeved on the corresponding connecting buckles to be connected, when the steel plates in the collecting frame 41 need to be dismounted, the rubber rings and the connecting ports are disconnected, the steel plates are convenient to dismount, the partition plates 42 can be detachably inserted into the collecting frame 41, when the steel plates are collected, the partition plates 42 are inserted into the collecting frame 41, a collecting space slightly longer than the partition plates 42 in length is formed, the partition plates 42 are stacked and collected in the collecting space, when the collecting space is full of the steel plates, the collected stacked steel plates are pushed to one end far away from the conveying device 31, the other partition plates 42 are used to form the collecting space like the first partition plates 42, and therefore the steel plates can be sequentially stacked and neatly collected, the collection is convenient, sorting is not needed, and the steel plates are convenient to dismount from one end.
The PLC control system comprises an operation box 51, wherein a touch display screen for displaying and inputting data and operation instructions, an operation switch for controlling the power supply of the operation box and a control switch for controlling the first motor, the second motor, the third motor, the fourth motor, the fifth motor, the sixth motor, the seventh motor and the eighth motor are arranged on the operation box.
Gap detection warning mechanism detects warning mechanism is including setting up respectively first flattening roller with the second flattening roller is kept away from a first thickness sensor 61 and a second thickness sensor 62 of unreeling axle 11 one side, setting are in shear mechanism is close to a pair of photoelectric switch 63, the setting of feeding mechanism one side are in cutter 21 is kept away from down go up a gap sensor 64 and the setting of cutter 22 one side and be in an audible-visual annunciator 65 on the control box, first thickness sensor 61 second thickness sensor 62 correlation photoelectric switch 63 gap sensor 64 reaches audible-visual annunciator 65 all with PLC control system connects, first thickness sensor 61 with second thickness sensor 62 is used for detecting steel sheet thickness.
The steel strip is conveyed from the unreeling shaft 11 to between the first driving transition roll 12 and the first driven transition roll 13, passes between the first driving leveling roll 14 and the first driven leveling roll 15, is conveyed to between the second driving leveling roll 16 and the second driven leveling roll 17, passes between the second driving transition roll 27 and the second driven transition roll 28, passes through the supporting plate 29 to reach between the upper cutter 22 and the lower cutter 21, is sheared into small steel plates with a certain length by the cooperation of the upper cutter 22 and the lower cutter 21, and is conveyed to the collecting frame 41 by the conveying device 31. In this process, first transition roller spare is preliminary levelled and smooth the steel sheet, makes the steel sheet level and smooth, the positive direction gets into first flattening roller spare and second flattening roller spare, first flattening roller spare with second flattening roller spare further makes the steel sheet level and smooth, avoids the steel sheet crooked, and steel sheet thickness detects inaccurately, second transition roller spare can make the steel sheet level and smooth the entering go up cutter 22 with down between the cutter 21, and level and smooth the passing through cut mechanism for cut length accuracy, layer board 29 guarantees to cut effect and efficiency
Example 2
The embodiment provides a knife gap detection early warning method, which is used in the shearing machine knife gap detection early warning device provided in embodiment 1, and the method includes the following steps:
1) the operation switch is turned on, and data programming is carried out on the thickness of the steel plate and the knife gap corresponding to the matching of the steel plate thickness and the knife gap through the touch display screen;
2) sleeving a steel plate coil 100 for substitute machining on the unwinding shaft 11, and starting the control switch to enable the steel plate to be conveyed towards the discharging mechanism;
3) the gap sensor 64 detects gap data between the lower cutter 21 and the upper cutter 22 and transmits the gap data to the PLC control system, and the first thickness sensor 61 and the second thickness sensor 62 detect gap data, i.e., a thickness of a steel plate, between the first driving leveling roll 14 and the first driven leveling roll 15 and between the second driving leveling roll 16 and the second driven leveling roll 17 and feed back the gap data to a controller;
4) when the steel plate is conveyed to the position of the correlation photoelectric switch 63, the position of the correlation photoelectric switch 63 detects the steel plate, the PLC control system starts to identify and match the thickness of the steel plate and the knife gap, compares the detected thickness of the steel plate and the knife gap with the set thickness of the steel plate and the corresponding knife gap, and if the detected thickness of the steel plate and the knife gap are not matched with the set thickness of the steel plate and the corresponding knife gap, the PLC control system controls the audible and visual alarm 65 to be turned on to perform audible and visual alarm and controls the control switch to be turned off simultaneously, the audible and visual alarm reminds a worker that the gap between the upper cutter 22 and the lower cutter 21 is not matched with the thickness of the steel plate, so that the inspection, confirmation and adjustment are needed, and the influence on the shearing quality due to the mismatch of the gap and the thickness of the steel plate, the.
While the invention has been described with reference to a preferred embodiment, it will be understood by those skilled in the art that various changes may be made and equivalents may be substituted for elements thereof without departing from the scope of the invention.
Claims (9)
1. A shearing machine knife clearance detection early warning device is used for steel plate shearing and comprises a base support and is characterized in that the flying shear capable of automatically detecting the thickness and controlling the speed also comprises a feeding mechanism, a leveling mechanism, a shearing mechanism, a discharging mechanism, a clearance detection warning mechanism and a PLC control system;
the feeding mechanism comprises an unwinding shaft and a first motor which are sequentially arranged in the horizontal direction, and the first motor is connected with the unwinding shaft and used for driving the unwinding shaft to rotate;
the leveling mechanism comprises a first transition roller part, a first leveling roller part and a second leveling roller part, wherein the first transition roller part comprises a first driving transition roller and a first driven transition roller correspondingly arranged above the driving transition roller, the first leveling roller part comprises a first driving leveling roller and a first driven leveling roller correspondingly arranged above the first driving leveling roller, the second leveling roller part comprises a second driving leveling roller and a second driven leveling roller correspondingly arranged above the second driving leveling roller, the first driving transition roller is driven by a second motor, the first driven transition roller is driven by a third motor, the rotating direction of the first driving transition roller is opposite to that of the first driven transition roller, and the first driving leveling roller and the second driving leveling roller are driven by a fourth motor;
the shearing mechanism is arranged on one side of the second leveling roller piece, which is far away from the first leveling roller, and comprises a sliding seat arranged on the base support, a lower cutting knife arranged on the sliding seat, a fixed seat arranged above the lower cutting knife, an upper cutting knife arranged on one side, which is close to the lower cutting knife, of the fixed seat, a driving roller and a fifth motor arranged below the fixed seat, the fixed seat is fixedly connected with the base support, two ends of the driving roller are connected with two sides of the base support through a crank rocker mechanism, the driving roller is connected with the sliding seat through a preset number of driving rods, the driving rods are connected with the sliding seat in a sliding manner and are connected with the driving roller in a rotating manner, and the crank rocker mechanism is driven by the fifth motor to drive the driving roller to do circular motion, thereby driving the sliding seat to do up-and-down reciprocating motion;
the discharging mechanism is arranged at one end of the shearing part, which is far away from the unreeling shaft, the discharging part comprises a conveying device and a sixth motor, and the sixth motor is used for driving the conveying device to convey the steel plate;
the P LC control system comprises an operation box, wherein a touch display screen for displaying and inputting data and operation instructions is arranged on the operation box, and an operation switch for controlling a power supply of the operation box and control switches for controlling the first motor, the second motor, the third motor, the fourth motor and the fifth motor are arranged on the operation box;
gap detection warning mechanism detects warning mechanism is including setting up respectively first flattening roller with the second flattening roller is kept away from a first thickness sensor and a second thickness sensor of unreeling axle one side, setting are in it is close to cut the mechanism a pair of photoelectric switch, the setting of feeding mechanism one side are in the cutter is kept away from down go up a gap sensor and an audible-visual annunciator of cutter one side, first thickness sensor second thickness sensor the correlation photoelectric switch gap sensor reaches audible-visual annunciator all with PLC control system connects.
2. The flying shear with thickness control and speed automatically detecting function as claimed in claim 1, wherein a sleeve ring is provided at one end of the driving rod connected with the driving roller, the inner diameter of the sleeve ring is matched with the outer diameter of the driving roller, and the sleeve ring is sleeved on the driving roller.
3. The flying shear with thickness control and automatic detection function as claimed in claim 1, wherein the conveying device is a conveyor belt or a conveying roller.
4. The shearing machine knife gap detection and early warning device as claimed in claim 1, wherein a collecting mechanism is arranged at one end of the discharging mechanism, which is far away from the shearing mechanism, and is used for collecting the sheared steel plate.
5. The device for detecting and warning the gap between the scissors of claim 4, wherein the collecting mechanism comprises a collecting frame and a predetermined number of partition plates, and the partition plates are detachably inserted into the collecting frame.
6. The device for detecting and warning the gap between the scissors of claim 5, wherein the collecting frame is a rectangular solid structure without a cover, and is composed of a square bottom plate and four side plates, one side plate far away from the conveying device is rotatably connected with the bottom plate and detachably connected with two adjacent side plates.
7. The device for detecting and warning the gap between the shearing machine and the cutter as claimed in claim 1, wherein a second transition roller is further arranged between the shearing mechanism and the feeding mechanism, the second transition roller comprises a predetermined number of second driving transition rollers and a predetermined number of second driven transition rollers, and the second transition roller is used for guiding the conveying direction of the steel plate.
8. The device for detecting and warning the gap between the scissors of claim 1, wherein a supporting plate is disposed on a side of the lower cutter adjacent to the second leveling roller, and the supporting plate is connected to the sliding seat through a spring.
9. The cutter gap detection early warning method of the shearing machine cutter gap detection early warning device as claimed in claims 1-8, comprising the following steps:
1) the operation switch is turned on, and data programming is carried out on the thickness of the steel plate and the knife gap corresponding to the matching of the steel plate thickness and the knife gap through the touch display screen;
2) sleeving a steel plate coil to be processed on the unwinding shaft, and starting the control switch to enable the steel plate to be conveyed towards the discharging mechanism;
3) the gap sensor detects gap data between the lower cutter and the upper cutter and transmits the gap data to the PLC control system, and the first thickness sensor and the second thickness sensor detect steel plate thickness data and feed the thickness data back to the controller;
4) when the steel plate is conveyed to the opposite-shooting photoelectric switch position, the opposite-shooting photoelectric switch position detects the steel plate, the PLC control system starts to identify and match the thickness of the steel plate and the knife gap, compares the detected thickness of the steel plate and the knife gap with the set thickness of the steel plate and the corresponding knife gap, and if the detected thickness of the steel plate and the knife gap are not matched with the set thickness of the steel plate and the corresponding knife gap, the PLC control system controls the audible and visual alarm to be turned on, performs audible and visual alarm and controls the control switch to be turned off at the same time.
Priority Applications (1)
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CN201911409734.4A CN110948041A (en) | 2019-12-31 | 2019-12-31 | Shearing machine knife gap detection early warning device and knife gap detection early warning method thereof |
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CN201911409734.4A CN110948041A (en) | 2019-12-31 | 2019-12-31 | Shearing machine knife gap detection early warning device and knife gap detection early warning method thereof |
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CN201911409734.4A Pending CN110948041A (en) | 2019-12-31 | 2019-12-31 | Shearing machine knife gap detection early warning device and knife gap detection early warning method thereof |
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2019
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