CN116809756B - Silicon steel sheet transverse cutting device and control method thereof - Google Patents
Silicon steel sheet transverse cutting device and control method thereof Download PDFInfo
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- CN116809756B CN116809756B CN202310887865.3A CN202310887865A CN116809756B CN 116809756 B CN116809756 B CN 116809756B CN 202310887865 A CN202310887865 A CN 202310887865A CN 116809756 B CN116809756 B CN 116809756B
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- 229910000976 Electrical steel Inorganic materials 0.000 title claims abstract description 292
- 238000005520 cutting process Methods 0.000 title claims abstract description 42
- 238000000034 method Methods 0.000 title claims abstract description 17
- 238000001514 detection method Methods 0.000 claims abstract description 30
- 230000007246 mechanism Effects 0.000 claims description 59
- 238000007599 discharging Methods 0.000 claims description 55
- 238000011144 upstream manufacturing Methods 0.000 claims description 4
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 abstract description 8
- 238000004519 manufacturing process Methods 0.000 abstract description 2
- 239000000463 material Substances 0.000 description 15
- 238000010008 shearing Methods 0.000 description 5
- 230000009471 action Effects 0.000 description 4
- 238000012545 processing Methods 0.000 description 4
- 238000005452 bending Methods 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 3
- 238000005259 measurement Methods 0.000 description 3
- 238000004080 punching Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000002093 peripheral effect Effects 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
Classifications
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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
- B21D28/00—Shaping by press-cutting; Perforating
- B21D28/02—Punching blanks or articles with or without obtaining scrap; Notching
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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
- B21C51/00—Measuring, gauging, indicating, counting, or marking devices specially adapted for use in the production or manipulation of material in accordance with subclasses B21B - B21F
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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
- B21D43/20—Storage arrangements; Piling or unpiling
- B21D43/24—Devices for removing sheets from a stack
Abstract
The utility model belongs to the technical field of silicon steel sheet production, a silicon steel sheet transverse cutting device and a control method thereof are disclosed, thickness detection device is arranged on the silicon steel sheet transverse cutting device, the actual thickness of each silicon steel sheet is detected through the thickness detection device, when the silicon steel sheets are stacked, according to the actual thickness of the silicon steel sheets and the actual stacking thickness of the silicon steel sheet stacks in each platform body, the silicon steel sheets are determined to be stacked on which silicon steel sheet stack, so that the error of the actual stacking total thickness of the silicon steel sheets in each platform body and the target stacking total thickness is reduced, the stacking thickness of the silicon steel sheets can be controlled more accurately, and the consistency of the iron core thickness is guaranteed.
Description
Technical Field
The application relates to the technical field of silicon steel sheet production, in particular to a silicon steel sheet transverse cutting device and a control method thereof.
Background
The iron core of the transformer is generally formed by stacking silicon steel sheets, the silicon steel sheets are generally formed by shearing and processing silicon steel strips through a silicon steel sheet transverse cutting device, and the general silicon steel sheet transverse cutting device comprises a transverse cutting device main body (the transverse cutting device main body comprises a discharging device, a feeding device, a punching device, a V shearing device and a shearing device), a discharging device, a stacking table and a control center. After punching, cutting V-shaped cuts and cutting off the silicon steel strip to form silicon steel sheets, the silicon steel sheets are conveyed to a stacking table by a discharging device for stacking, and finally the stacked silicon steel sheets are taken out of the stacking table by a mechanical arm or other transfer devices for iron core assembly.
When the traditional silicon steel sheet transverse cutting device stacks silicon steel sheets, the stacking quantity of the silicon steel sheets is calculated according to the standard thickness of the silicon steel strips and the required stacking thickness, then the corresponding quantity of the silicon steel sheets are stacked on a stacking table according to the calculation result, and as errors exist between the actual thickness of the silicon steel strips and the standard thickness, the errors can be different at different positions of the silicon steel strips, so that different errors exist between the actual thickness of each silicon steel sheet and the standard thickness, the stacking of the silicon steel sheets is controlled only through the stacking quantity, and the problem that the thicknesses of finally obtained iron cores are inconsistent is caused.
Disclosure of Invention
The utility model aims to provide a silicon steel sheet transverse cutting device and control method thereof, the stack thickness of silicon steel sheet can be controlled more accurately, be favorable to guaranteeing the uniformity of iron core thickness.
In a first aspect, the present application provides a silicon steel sheet transverse cutting device, including a transverse cutting device main body, a discharging device, a stacking table and a control center; the stacking table comprises at least two layers of table bodies which are arranged along the up-down direction;
the output end of the transverse cutting device main body is provided with an output device for outputting the silicon steel sheet;
the discharging device comprises at least two discharging mechanisms and a selecting mechanism, wherein each discharging mechanism corresponds to each table body one by one, each discharging mechanism is used for conveying silicon steel sheets to the corresponding table body for stacking, and the selecting mechanism is used for selecting one target discharging mechanism from the discharging mechanisms so that the output device outputs the silicon steel sheets to the target discharging mechanism;
at least one thickness detection device is arranged at the upstream of the selection mechanism and is used for detecting the actual thickness of the silicon steel sheet;
the control center is used for controlling the discharging device to convey the silicon steel sheets to different tables for stacking according to the actual thickness of the silicon steel sheets detected by the thickness detection device, so that errors of the actual stacking total thickness of the silicon steel sheets in each table and the target stacking total thickness are reduced.
The actual thickness of each silicon steel sheet can be detected through the thickness detection device, when the silicon steel sheets are stacked, the silicon steel sheets can be determined to be stacked on the silicon steel sheet stack according to the actual thickness of the silicon steel sheets and the actual stacking thickness of the silicon steel sheet stacks in each table body, so that the error between the actual stacking total thickness of the silicon steel sheets in each table body and the target stacking total thickness is reduced, the stacking thickness of the silicon steel sheets can be controlled more accurately, and the consistency of the iron core thickness is guaranteed.
Preferably, the thickness detection device comprises a mounting frame, at least one group of laser ranging sensors are arranged on the mounting frame, and each group of laser ranging sensors comprises two laser ranging sensors which are arranged on the upper side and the lower side of the silicon steel sheet in an up-down opposite mode.
The distance from the upper surface and the lower surface of the silicon steel sheet to the two laser ranging sensors which are arranged in an up-down opposite manner can be accurately measured through the laser ranging sensors which are arranged in an up-down opposite manner, and then the thickness of the silicon steel sheet can be obtained by subtracting the two distances from the calibration distance between the two laser ranging sensors which are arranged in the up-down opposite manner, and even if the silicon steel sheet is subjected to bending deformation, the actual thickness of the silicon steel sheet can be accurately measured.
Preferably, the discharging device further comprises a fixed bracket, the discharging mechanism comprises a first conveyor belt device and a blanking head, a first end of the first conveyor belt device is connected with the selecting mechanism, a second end of the first conveyor belt device is hinged with the fixed bracket, and the blanking head is arranged on one side, far away from the first conveyor belt device, of the fixed bracket and extends to the upper part of the corresponding table body; the first conveyor belt device is used for conveying the silicon steel sheets to the blanking heads, and the blanking heads are used for stacking the silicon steel sheets on the corresponding table bodies.
Preferably, each of the first conveyor belt devices is disposed at intervals in the up-down direction; the selection mechanism realizes the switching of the target discharging mechanism by changing the relative position between the first end of each first conveyor belt device and the output end of the output device.
Preferably, the blanking head comprises a second conveyor belt device and a blanking mechanism, wherein the second conveyor belt device is a magnetic conveyor belt device, and the blanking mechanism is used for separating a magnet in the second conveyor belt device from a conveyor belt so as to realize blanking of the silicon steel sheet.
Preferably, each of the tables is capable of independent rotation, and the stacking table further includes a rotation driving system for driving each of the tables to independently rotate.
The stacked silicon steel sheets can be rotated to a downstream material taking station through the rotating table body and taken out by the material taking device, and meanwhile, the silicon steel sheets can be continuously stacked in a vacancy which is rotated to a material discharging mechanism, so that the working continuity is improved, and the stacking efficiency is improved. And the rotation of each table body is not mutually influenced, and each table body can flexibly select the position for stacking the silicon steel sheets, so that the continuity of stacking work and the accuracy of stacking thickness are more facilitated to be ensured.
Preferably, the platform body is a circular platform, a plurality of stacking discs are positioned and placed on the platform body, the stacking discs extend along the radial direction of the platform body and are uniformly distributed along the circumferential direction of the platform body, the stacking discs are used for supporting stacked silicon steel sheets, and the stacking discs can be taken out from the platform body.
In a second aspect, the present application provides a control method for a silicon steel sheet transverse cutting device, which is applied to a control center of the silicon steel sheet transverse cutting device, and includes the steps of:
A1. acquiring the target total stacking thickness of the silicon steel sheet stack and the actual stacking thickness of the target silicon steel sheet stack being stacked on the target platform body;
A2. after the main body of the transverse cutting device completes cutting of the new silicon steel sheet, acquiring the actual thickness of the new silicon steel sheet through a thickness detection device;
A3. calculating the sum of the actual thickness of the new silicon steel sheet and the actual stacking thickness of the target silicon steel sheet stack, and recording the sum as a first total thickness;
A4. if the first total thickness is not greater than the sum of the target stacking total thickness and the preset tolerance upper limit, controlling the discharging device to stack the new silicon steel sheets on the target silicon steel sheet stack, otherwise, controlling the discharging device to stack the new silicon steel sheets on other platforms;
A5. and if the new silicon steel sheet is stacked on the target silicon steel sheet stack and the error between the stacking thickness of the stacked target silicon steel sheet stack and the total stacking thickness of the target silicon steel sheet stack is within a preset tolerance range, setting the stacking state of the target silicon steel sheet stack as the completion of stacking.
When the new silicon steel sheet is stacked on the target silicon steel sheet stack, the stacking thickness of the target silicon steel sheet stack is out of standard, the new silicon steel sheet is stacked on other tables, or is stacked on the target silicon steel sheet stack, and therefore the error between the actual stacking total thickness of the target silicon steel sheet stack and the target stacking total thickness of the finally stacked target silicon steel sheet stack can be ensured to be within the tolerance range.
Preferably, in step A1, the step of obtaining the actual stacking thickness of the target stack of silicon steel sheets includes:
acquiring the actual thickness of each silicon steel sheet on the target silicon steel sheet stack;
and calculating the sum of the actual thicknesses of the silicon steel sheets on the target silicon steel sheet stack to obtain the actual stacking thickness of the target silicon steel sheet stack.
Preferably, after step A5, the method further comprises the steps of:
A6. after the stacking state of the target stack of silicon steel sheets is set as completed, the stack of silicon steel sheets whose stacking state is being stacked, of which the actual stacking thickness is closest to the total thickness of the target stack, is set as a new target stack of silicon steel sheets.
The beneficial effects are that: according to the silicon steel sheet transverse cutting device and the control method thereof, the actual thickness of each silicon steel sheet can be detected through the thickness detection device, when the silicon steel sheets are stacked, the silicon steel sheets can be determined to be stacked on the silicon steel sheet stack according to the actual thickness of the silicon steel sheets and the actual stacking thickness of the silicon steel sheet stacks in each platform body, so that the error between the actual stacking total thickness of the silicon steel sheets in each platform body and the target stacking total thickness is reduced, the stacking thickness of the silicon steel sheets can be controlled more accurately, and the consistency of the thickness of an iron core is guaranteed.
Drawings
Fig. 1 is a side view of a silicon steel sheet transverse cutting device provided in an embodiment of the present application.
Fig. 2 is a top view of a silicon steel sheet transverse cutting device provided in an embodiment of the present application.
Fig. 3 is a schematic structural view of the thickness detection device.
Fig. 4 is a schematic diagram of an exemplary selection mechanism.
Fig. 5 is an enlarged view of the S portion in fig. 1.
Fig. 6 is an enlarged view of the portion F in fig. 2.
Fig. 7 is a flowchart of a control method of a silicon steel sheet transverse cutting device provided in an embodiment of the present application.
Description of the reference numerals: 1. a transecting device body; 101. an output device; 2. a discharging device; 3. a stacking table; 4. a table body; 401. stacking the trays; 402. a mounting hole; 403. a clamping groove; 5. a discharging mechanism; 6. a selection mechanism; 601. a slide; 602. a first driving device; 603. a slide hole; 604. a slide block; 605. a slide rail; 7. a thickness detection device; 701. a mounting frame; 702. a laser ranging sensor; 8. a fixed bracket; 9. a first conveyor belt arrangement; 10. a blanking head; 11. a second conveyor belt arrangement; 12. a blanking mechanism; 1201. a cross bar; 1202. a swing arm lever; 1203. and a telescopic driving device.
Detailed Description
The following description of the embodiments of the present application will be made clearly and completely with reference to the drawings in the embodiments of the present application, and it is apparent that the described embodiments are only some embodiments of the present application, not all embodiments. The components of the embodiments of the present application, which are generally described and illustrated in the figures herein, may be arranged and designed in a wide variety of different configurations. Thus, the following detailed description of the embodiments of the present application, as provided in the accompanying drawings, is not intended to limit the scope of the application, as claimed, but is merely representative of selected embodiments of the application. All other embodiments, which can be made by those skilled in the art based on the embodiments of the present application without making any inventive effort, are intended to be within the scope of the present application.
It should be noted that: like reference numerals and letters denote like items in the following figures, and thus once an item is defined in one figure, no further definition or explanation thereof is necessary in the following figures. Meanwhile, in the description of the present application, the terms "first", "second", and the like are used only to distinguish the description, and are not to be construed as indicating or implying relative importance.
Referring to fig. 1 and 2, a silicon steel sheet transverse cutting device in some embodiments of the present application includes a transverse cutting device main body 1, a discharging device 2, a stacking table 3 and a control center (not shown in the drawings); the stacking table 3 includes at least two layers of table bodies 4 arranged in the up-down direction;
an output device 101 for outputting the silicon steel sheet is arranged at the output end of the transverse cutting device main body 1;
the discharging device 2 comprises at least two discharging mechanisms 5 and a selecting mechanism 6, wherein each discharging mechanism 5 corresponds to each table body 4 one by one, each discharging mechanism 5 is used for conveying the silicon steel sheet to the corresponding table body 4 for stacking, and the selecting mechanism 6 is used for selecting one target discharging mechanism from each discharging mechanism 5 so that the output device 101 outputs the silicon steel sheet to the target discharging mechanism (thereby conveying the silicon steel sheet to the corresponding table body 4 for stacking by the target discharging mechanism);
at least one thickness detection device 7 is arranged at the upstream of the selection mechanism 6, and the thickness detection device 7 is used for detecting the actual thickness of the silicon steel sheet;
the control center is used for controlling the discharging device 2 to convey the silicon steel sheets to different tables 4 for stacking according to the actual thickness of the silicon steel sheets detected by the thickness detection device 7 so as to reduce the error between the actual stacking total thickness of the silicon steel sheets in each table 4 and the target stacking total thickness.
The actual thickness of each silicon steel sheet can be detected by the thickness detection device 7, and when the silicon steel sheets are stacked, the silicon steel sheets can be determined to be stacked on which silicon steel sheet stack according to the actual thickness of the silicon steel sheets and the actual stacking thickness of the silicon steel sheet stacks (i.e. the silicon steel sheet stacks formed by stacking the silicon steel sheets) in each platform body 4, so that the error between the actual stacking total thickness of the silicon steel sheets in each platform body 4 and the target stacking total thickness is reduced (the specific process can refer to a later silicon steel sheet transverse cutting device control method), thereby more accurately controlling the stacking thickness of the silicon steel sheets, and being beneficial to ensuring the consistency of the iron core thickness.
Wherein the output device 101 may be, but is not limited to, a conveyor belt or a conveyor table.
The transverse cutting device main body 1 is in the prior art, and mainly comprises a discharging device, a feeding device, a punching device, a V-shearing device, a shearing device and an output device 101, and the structure of each part of the transverse cutting device main body can refer to the prior art, and the detailed description thereof is omitted herein. In fig. 1 and 2, only a part of the crosscutting device body 1 is shown, and the crosscutting device body 1 is not shown because the present application does not technically improve the part not shown.
In fig. 1 and 2, a thickness detection device 7 is provided at the output device 101 to detect the thickness of the cut silicon steel sheet. In practice, the thickness detection device 7 may also be provided upstream of the output device 101 so as to perform thickness detection at the same time as or before the silicon steel sheet is cut.
The thickness detection device 7 may be any detection device used in the prior art for detecting the thickness of a plate/sheet, or a detection device as shown in fig. 3.
The thickness detection device 7 shown in fig. 3 includes a mounting frame 701, at least one group of laser ranging sensors 702 are disposed on the mounting frame 701, and each group of laser ranging sensors 702 includes two laser ranging sensors 702 disposed on upper and lower sides of a silicon steel sheet in a vertically opposite manner. The distance values from the upper and lower surfaces of the silicon steel sheet to the upper and lower opposed laser ranging sensors 702 can be accurately measured by the upper and lower opposed laser ranging sensors 702, and then the thickness of the silicon steel sheet can be obtained by subtracting the two distance values from the calibration distance between the upper and lower opposed laser ranging sensors 702 (i.e., the distance between the two laser ranging sensors 702 calibrated in advance), even if the silicon steel sheet is subjected to bending deformation, the actual thickness can be accurately measured (if the measurement is performed only from one side of the silicon steel sheet, the measurement result is inaccurate when the silicon steel sheet is subjected to bending deformation).
When a plurality of groups of laser ranging sensors 702 are provided, the corresponding thickness values can be calculated according to the distance values measured by the laser ranging sensors 702, and then the average value of the thickness values is calculated as the actual thickness of the silicon steel sheet, so that the measurement accuracy can be further improved. The actual thickness of the silicon steel sheet is calculated according to the distance values between the upper and lower surfaces of the silicon steel sheet measured by the laser ranging sensors 702 which are arranged in an up-down manner and the two laser ranging sensors 702 which are arranged in an up-down manner, and the actual thickness can be executed by a control center, or the thickness detection device 7 also comprises a data processing chip, and the data processing chip calculates and sends the calculated actual thickness to the control center.
In this embodiment, as shown in fig. 1, the discharging device 2 further comprises a fixed support 8, the discharging mechanism 5 comprises a first conveyor belt device 9 and a blanking head 10, a first end of the first conveyor belt device 9 is connected with the selecting mechanism 6, a second end of the first conveyor belt device 9 is hinged with the fixed support 8, and the blanking head 10 is arranged on one side of the fixed support 8 away from the first conveyor belt device 9 and extends above the corresponding table body 4; the first conveyor belt device 9 is used for conveying the silicon steel sheets to the blanking heads 10, and the blanking heads 10 are used for stacking the silicon steel sheets on the corresponding table bodies 4.
The first conveyor means 9 may be, but is not limited to, a magnetic conveyor means, a suction conveyor means, etc. The magnetic conveyor belt device comprises a conveyor belt and a magnet contacted with the conveyor belt, and the silicon steel sheet is adsorbed on the conveyor belt for transportation through the magnetic force of the magnet. The suction type conveyor belt device comprises a conveyor belt provided with suction holes and a suction air groove surrounding a negative pressure cavity with the conveyor belt, wherein the suction air groove is pumped to generate negative pressure, and then silicon steel sheets are adsorbed on the conveyor belt through the suction holes for transportation.
Further, as shown in fig. 1 and 4, the first conveyor belt devices 9 are arranged at intervals in the up-down direction; the selection means 6 effect the switching of the target discharge means by changing the relative position between the first end of each first conveyor means 9 and the output end of the output means 101.
Specifically, as shown in fig. 4, the first ends of the first conveyor belt devices 9 can swing up and down, and the selection mechanism 6 changes the height of the first ends of the first conveyor belt devices 9, so that the first end of one of the first conveyor belt devices 9 faces the output end of the output device 101, and thus, the discharge mechanism 5 to which the first conveyor belt device 9 having the first end facing the output end of the output device 101 belongs is the target discharge mechanism.
In some embodiments, as shown in fig. 4, the selection mechanism 6 includes a slide 601 capable of sliding up and down and a first driving device 602 for driving the slide 601 to slide up and down, a plurality of slide holes 603 are arranged on the slide 601 at intervals along the up-down direction, the number of the slide holes 603 is the same as that of the first conveyor belt devices 9, the slide holes 603 extend from one side far from the fixed support 8 to one side close to the fixed support 8, a slide block 604 is slidably arranged in each slide hole 603, and first ends of the first conveyor belt devices 9 are in one-to-one corresponding rotary connection with the slide blocks 604. So that when the slide 601 moves up and down, the first ends of all the first conveyor means 9 swing up and down synchronously, so that the first end of one of the first conveyor means 9 faces the output end of the output device 101. But the structure of the selection mechanism 6 is not limited thereto.
The first driving device 602 may be a linear driving device such as an air cylinder, a hydraulic cylinder, an electric telescopic rod, a linear motor, a screw transmission pair driven by a motor, or a rotary driving device such as an eccentric wheel driving device (the peripheral surface of an eccentric wheel abuts against the slide 601 to drive the slide 601 to move up and down when the eccentric wheel rotates), a swing rod driving device (the free end of a swing rod abuts against the slide 601 to drive the slide 601 to move up and down when the swing rod swings).
The sliding base 601 may be connected to a sliding rail 605 extending up and down, so as to ensure that the sliding base 601 moves strictly in the up and down direction.
Alternatively, referring to fig. 5, the blanking head 10 includes a second conveyor belt device 11 and a blanking mechanism 12, the second conveyor belt device 11 being a magnetic conveyor belt device, the blanking mechanism 12 being for separating magnets in the second conveyor belt device 11 from the conveyor belt to effect blanking of the silicon steel sheet. Wherein, the magnet of second conveyer belt device 11 contacts with the conveyer belt of downside to adsorb the silicon steel sheet at the lower surface of second conveyer belt device 11, and the unloading mechanism 12 makes the magnet in the second conveyer belt device 11 separate with the conveyer belt after, and the distance between magnet and silicon steel sheet grow to can't effectively adsorb the silicon steel sheet, and the silicon steel sheet drops on the stage body 4 under the action of gravity and stacks.
The discharging mechanism 12 may separate the magnet from the conveyor belt by pushing (i.e., pushing down) the conveyor belt on the lower side of the second conveyor belt device 11 in a direction away from the magnet, or may separate the magnet from the conveyor belt by pushing (i.e., pushing up) the magnet on the second conveyor belt device 11 in a direction away from the conveyor belt on the lower side.
In fig. 5, the discharging mechanism 12 separates the magnet from the conveyor belt by pushing the magnet of the second conveyor belt device 11 in a direction away from the conveyor belt on the lower side. Specifically, the discharging mechanism 12 includes a cross bar 1201 extending along the length direction of the second conveyor belt device 11, two swing arm rods 1202 and a telescopic driving device 1203 (which may be, but not limited to, an air cylinder, a hydraulic cylinder, an electric telescopic rod, etc.), the two swing arm rods 1202 are parallel to each other, one ends of the two swing arm rods 1202 are respectively hinged to two ends of the cross bar 1201, the other ends of the two swing arm rods 1202 are respectively hinged to the second conveyor belt device 11, one end of the telescopic driving device 1203 is hinged to the second conveyor belt device 11, the other end is hinged to the cross bar 1201, and the cross bar 1201 is fixedly connected with a magnet of the second conveyor belt device 11. Thus, when the telescopic driving device 1203 is contracted, the two swing arm rods 1202 swing synchronously, so that the cross rod 1201 translates upwards, and the magnet of the second conveyor belt device 11 is driven to move upwards away from the conveyor belt on the lower side, and when the telescopic driving device 1203 is extended and reset, the magnet moves downwards to be in contact with the conveyor belt on the lower side again.
In some embodiments, each table 4 is capable of independent rotation, and the stacking table 3 further includes a rotation driving system for driving each table 4 to independently rotate. The stacked silicon steel sheets can be rotated to a downstream material taking station through the rotating table body 4 and taken out by a material taking device (such as a mechanical arm), and meanwhile, the stacking of the silicon steel sheets can be continuously carried out at a vacancy which is rotated to the material discharging mechanism 5, so that the working continuity is improved, and the stacking efficiency is improved. And the rotation of each table body 4 is not mutually influenced, and each table body 4 can flexibly select the position for stacking the silicon steel sheets, thereby being more beneficial to ensuring the continuity of stacking work and the accuracy of stacking thickness.
Wherein, the rotation driving system can comprise a plurality of motors, and each table body 4 is respectively driven by one motor; alternatively, the rotation driving system may include a motor for switching the controlled stages 4 through a gear box to thereby drive each stage 4 to rotate independently.
In some embodiments, referring to fig. 2 and 6, the table body 4 is a circular table, a plurality of stacking trays 401 are positioned on the table body 4, the stacking trays 401 extend along a radial direction of the table body 4, the stacking trays 401 are uniformly distributed along a circumferential direction of the table body 4, the stacking trays 401 are used for supporting stacked silicon steel sheets, and the stacking trays 401 can be taken out from the table body 4. Each time the table body 4 rotates to rotate one of the stacking plates 401 to the position right below the blanking head 10, the blanking head 10 stacks the silicon steel sheets on the stacking plate 401, after the stacking is completed, the stacking plate 401 and the stacked silicon steel sheets rotate to be away from the position right below the blanking head 10, and when the stacking plate 401 rotates to the material taking station, the material taking device can clamp the stacking plate 401 to take out the stacking plate 401 and the silicon steel sheets together, so that the silicon steel sheets are prevented from being deformed due to the fact that the material taking device directly clamps the silicon steel sheets.
Further, referring to fig. 6, a plurality of mounting holes 402 are provided on the table body 4 on both sides in the width direction of each stack tray 401, and the mounting holes 402 are used for mounting positioning pins to position the stack tray 401 in the width direction. When in use, the positioning pins are inserted into the corresponding mounting holes 402 according to the actual size of the stacking tray 401, so that the two lateral surfaces of the stacking tray 401 in the width direction are respectively abutted against the peripheral surfaces of the two positioning pins, thereby realizing positioning without obstructing the taking-out of the stacking tray 401.
The end of the stacking tray 401 is provided with a clamping groove 403, and the clamping groove 403 is matched with a clamping jaw of the material taking device and is used for enabling the clamping jaw of the material taking device to extend into the clamping stacking tray 401.
Referring to fig. 7, the present application provides a control method of a silicon steel sheet transverse cutting device, which is applied to a control center of the aforementioned silicon steel sheet transverse cutting device, and includes the steps of:
A1. acquiring the target total stacking thickness of the silicon steel sheet stack and the actual stacking thickness of the target silicon steel sheet stack being stacked on the target platform body;
A2. after the cutting of the new silicon steel sheet is completed by the transverse cutting device main body 1, the actual thickness of the new silicon steel sheet (namely the newly cut silicon steel sheet) is obtained by the thickness detection device 7;
A3. calculating the sum of the actual thickness of the new silicon steel sheet and the actual stacking thickness of the target silicon steel sheet stack, and recording the sum as a first total thickness;
A4. if the first total thickness is not greater than the sum of the target total stacking thickness and the preset tolerance upper limit (namely the upper limit of the preset tolerance range), controlling the discharging device 2 to stack new silicon steel sheets on the target silicon steel sheet stack, otherwise, controlling the discharging device 2 to stack new silicon steel sheets on other tables 4;
A5. if new silicon steel sheets are stacked on the target silicon steel sheet stack and the error between the stacking thickness of the stacked target silicon steel sheet stack and the total stacking thickness of the target silicon steel sheet stack is within a preset tolerance range (which can be set according to actual needs), the stacking state of the target silicon steel sheet stack is set to be completed.
When the stacking thickness of the target silicon steel sheet stack is out of standard due to the fact that new silicon steel sheets are stacked on the target silicon steel sheet stack, the new silicon steel sheets are stacked on other tables 4, otherwise, the new silicon steel sheets are stacked on the target silicon steel sheet stack, and therefore errors of the actual total stacking thickness of the target silicon steel sheet stack and the target total stacking thickness of the finally stacked target silicon steel sheet stack can be guaranteed to be within a tolerance range.
The target total stacking thickness of the silicon steel sheet stack is the thickness required to be achieved after the silicon steel sheets are stacked, and is determined by actual product requirements. The target table may be any table 4.
Preferably, in step A1, the step of obtaining the actual stacking thickness of the target stack of silicon steel sheets includes:
acquiring the actual thickness of each silicon steel sheet on the target silicon steel sheet stack (the actual thickness is measured by the thickness detection device 7 after each silicon steel sheet is cut);
and calculating the sum of the actual thicknesses of the silicon steel sheets on the target silicon steel sheet stack to obtain the actual stacking thickness of the target silicon steel sheet stack.
In some embodiments, in step A2, the actual thickness calculated and transmitted by the data processing chip of the thickness detection device 7 is acquired.
In other embodiments, in step A2, distance values measured by the respective laser ranging sensors 702 of the thickness detection device 7 are acquired, and then the actual thickness of the new silicon steel sheet is calculated based on the distance values (refer to the foregoing for specific calculation procedures).
Specifically, in step A4, while controlling the discharging device 2 to stack a new sheet of silicon steel on the other table body 4, it is performed that:
when there is no stack of silicon steel sheets currently being stacked on the other tables 4, then stacking the new silicon steel sheet on one of the empty stack trays 401 on one of the other tables 4;
when there is currently a stack of silicon steel sheets on at least one other table 4, if there is currently at least one first stack of silicon steel sheets satisfying the first condition on the other table 4, stacking the new silicon steel sheet on one of the first stacks of silicon steel sheets, and setting the stacking state of the first stack of silicon steel sheets to complete the stacking, otherwise, when there is currently at least one second stack of silicon steel sheets satisfying the second condition on the other table 4, stacking the new silicon steel sheet on one of the second stacks of silicon steel sheets, and when there is not any second stack of silicon steel sheets satisfying the second condition on the other table 4, stacking the new silicon steel sheet on one of the empty stacking trays 401 on one of the other tables 4;
wherein, the first condition is: if the new silicon steel sheet is stacked on the first silicon steel sheet stack, enabling an error between the stacking thickness of the first silicon steel sheet stack and the target stacking total thickness to be within a preset tolerance range;
the second condition is: if the new silicon steel sheet is stacked on the second silicon steel sheet stack, the sum of the stacking thickness of the second silicon steel sheet stack and the standard thickness of the silicon steel sheet (the standard thickness of the silicon steel sheet is the standard thickness of the silicon steel strip for producing the silicon steel sheet and is calibrated by a silicon steel strip manufacturer before delivery) does not exceed the sum of the target stacking total thickness and the preset tolerance upper limit.
When all other tables 4 have stacks of silicon steel sheets currently being stacked and new silicon steel sheets need to be stacked on one of the empty stack trays 401 on one of the other tables 4, the corresponding empty stack tray 401 can be rotated to the position just below the corresponding blanking head 10 by controlling the rotation of the corresponding other tables 4.
For the stacked silicon steel sheet pile, when the silicon steel sheet pile is rotated to the material taking station, the control center sends a material taking signal to the material taking device, so that the material taking device takes out the silicon steel sheet pile.
Preferably, after step A5, the method further comprises the steps of:
A6. after the stacking state of the target stack of silicon steel sheets is set to be completed, the stack of silicon steel sheets whose actual stacking thickness is closest to the target total stacking thickness among the stacks of silicon steel sheets being stacked is set as a new target stack of silicon steel sheets.
The closer the actual stacking thickness of the stack of silicon steel sheets is to the target stacking total thickness, the more the thickness error of the placed silicon steel sheets needs to be strictly controlled, so that the exceeding of the stacking thickness error is reliably avoided.
In this document, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions.
The foregoing is merely exemplary embodiments of the present application and is not intended to limit the scope of the present application, and various modifications and variations may be suggested to one skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principles of the present application should be included in the protection scope of the present application.
Claims (8)
1. A silicon steel sheet transverse cutting device comprises a transverse cutting device main body (1), a discharging device (2), a stacking table (3) and a control center; the stacking table (3) is characterized by comprising at least two layers of table bodies (4) which are arranged along the up-down direction; each table body (4) can rotate independently, and the stacking table (3) further comprises a rotation driving system for driving each table body (4) to rotate independently; the table body (4) is a circular table, a plurality of stacking discs (401) are positioned and placed on the table body (4), the stacking discs (401) extend along the radial direction of the table body (4) and are uniformly distributed along the circumferential direction of the table body (4), the stacking discs (401) are used for supporting stacked silicon steel sheets, and the stacking discs (401) can be taken out from the table body (4);
an output device (101) for outputting the silicon steel sheet is arranged at the output end of the transverse cutting device main body (1);
the discharging device (2) comprises a selecting mechanism (6) and at least two discharging mechanisms (5), wherein each discharging mechanism (5) corresponds to each table body (4) one by one, each discharging mechanism (5) is used for conveying silicon steel sheets to the corresponding table body (4) for stacking, and the selecting mechanism (6) is used for selecting one target discharging mechanism from the discharging mechanisms (5) so that the output device (101) outputs the silicon steel sheets to the target discharging mechanism;
at least one thickness detection device (7) is arranged at the upstream of the selection mechanism (6), and the thickness detection device (7) is used for detecting the actual thickness of the silicon steel sheet;
the control center is used for controlling the discharging device (2) to convey the silicon steel sheets to different tables (4) for stacking according to the actual thickness of the silicon steel sheets detected by the thickness detecting device (7), so that errors of the actual stacking total thickness of the silicon steel sheets in each table (4) and the target stacking total thickness are reduced.
2. The transverse cutting device for the silicon steel sheet according to claim 1, wherein the thickness detection device (7) comprises a mounting frame (701), at least one group of laser ranging sensors (702) are arranged on the mounting frame (701), and each group of laser ranging sensors (702) comprises two laser ranging sensors (702) which are arranged on the upper side and the lower side of the silicon steel sheet in an up-down opposite mode.
3. The transverse cut device for silicon steel sheets according to claim 1, wherein the discharging device (2) further comprises a fixed bracket (8), the discharging mechanism (5) comprises a first conveyor belt device (9) and a blanking head (10), a first end of the first conveyor belt device (9) is connected with the selecting mechanism (6), a second end of the first conveyor belt device (9) is hinged with the fixed bracket (8), and the blanking head (10) is arranged on one side, far away from the first conveyor belt device (9), of the fixed bracket (8) and extends to the upper part of the corresponding table body (4); the first conveyor belt device (9) is used for conveying the silicon steel sheets to the blanking head (10), and the blanking head (10) is used for stacking the silicon steel sheets on the corresponding table body (4).
4. A silicon steel sheet crosscutting device as claimed in claim 3, characterized in that each of said first conveyor belt means (9) is arranged at intervals in the up-down direction; the selection mechanism (6) realizes the switching of the target discharging mechanism by changing the relative position between the first end of each first conveyor belt device (9) and the output end of the output device (101).
5. A crosscut device for sheet silicon steel according to claim 3, characterized in that the blanking head (10) comprises a second conveyor belt device (11) and a blanking mechanism (12), the second conveyor belt device (11) being a magnetic conveyor belt device, the blanking mechanism (12) being adapted to separate the magnets in the second conveyor belt device (11) from the conveyor belt for blanking the sheet silicon steel.
6. A control method of a silicon steel sheet transverse cutting device, characterized by being applied to a control center of the silicon steel sheet transverse cutting device according to any one of claims 1 to 5, comprising the steps of:
A1. acquiring the target total stacking thickness of the silicon steel sheet stack and the actual stacking thickness of the target silicon steel sheet stack being stacked on the target platform body;
A2. after the transverse cutting device main body (1) completes cutting of a new silicon steel sheet, acquiring the actual thickness of the new silicon steel sheet through a thickness detection device (7);
A3. calculating the sum of the actual thickness of the new silicon steel sheet and the actual stacking thickness of the target silicon steel sheet stack, and recording the sum as a first total thickness;
A4. if the first total thickness is not greater than the sum of the target stacking total thickness and the preset tolerance upper limit, controlling the discharging device (2) to stack the new silicon steel sheet on the target silicon steel sheet stack, otherwise, controlling the discharging device (2) to stack the new silicon steel sheet on other platforms (4);
A5. if the new silicon steel sheet is stacked on the target silicon steel sheet stack and the error between the stacking thickness of the stacked target silicon steel sheet stack and the total stacking thickness of the target silicon steel sheet stack is within a preset tolerance range, setting the stacking state of the target silicon steel sheet stack as the completion of stacking;
in step A4, when the discharging device (2) is controlled to stack new silicon steel sheets on other tables (4), performing:
when no stack of silicon steel sheets is currently being stacked on the other tables (4), stacking the new silicon steel sheet on one of the empty stacking trays (401) on one of the other tables (4);
when at least one other platform body (4) is currently provided with a silicon steel sheet pile which is being stacked, if the other platform body (4) is currently provided with at least one first silicon steel sheet pile which meets a first condition, stacking the new silicon steel sheet on one of the first silicon steel sheet piles, setting the stacking state of the first silicon steel sheet pile as the completion of stacking, otherwise, when the other platform body (4) is currently provided with at least one second silicon steel sheet pile which meets a second condition, stacking the new silicon steel sheet on one of the second silicon steel sheet piles, and when the other platform body (4) is currently provided with at least one second silicon steel sheet pile which meets a second condition, stacking the new silicon steel sheet on one of the empty stacking discs (401) on one of the other platform bodies (4);
wherein, the first condition is: if the new silicon steel sheet is stacked on the first silicon steel sheet stack, enabling an error between the stacking thickness of the first silicon steel sheet stack and the target stacking total thickness to be within a preset tolerance range;
the second condition is: if the new silicon steel sheet is stacked on a second silicon steel sheet stack, the sum of the stacking thickness of the second silicon steel sheet stack and the standard thickness of the silicon steel sheet does not exceed the sum of the target stacking total thickness and the preset tolerance upper limit; the standard thickness of the silicon steel sheet is a nominal thickness of the silicon steel strip used to produce the silicon steel sheet.
7. The method according to claim 6, wherein in step A1, the step of obtaining the actual stacking thickness of the target pile of silicon steel sheets comprises:
acquiring the actual thickness of each silicon steel sheet on the target silicon steel sheet stack;
and calculating the sum of the actual thicknesses of the silicon steel sheets on the target silicon steel sheet stack to obtain the actual stacking thickness of the target silicon steel sheet stack.
8. The control method of a silicon steel sheet crosscutting device as claimed in claim 6, further comprising the step of, after step A5:
A6. after the stacking state of the target stack of silicon steel sheets is set as completed, the stack of silicon steel sheets whose stacking state is being stacked, of which the actual stacking thickness is closest to the total thickness of the target stack, is set as a new target stack of silicon steel sheets.
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