CN114188142A - Automatic shearing and laminating device and method for transformer core - Google Patents
Automatic shearing and laminating device and method for transformer core Download PDFInfo
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- CN114188142A CN114188142A CN202111465695.7A CN202111465695A CN114188142A CN 114188142 A CN114188142 A CN 114188142A CN 202111465695 A CN202111465695 A CN 202111465695A CN 114188142 A CN114188142 A CN 114188142A
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F41/00—Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformers; Apparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties
- H01F41/02—Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformers; Apparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties for manufacturing cores, coils, or magnets
- H01F41/0206—Manufacturing of magnetic cores by mechanical means
- H01F41/0233—Manufacturing of magnetic circuits made from sheets
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F41/00—Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformers; Apparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties
- H01F41/02—Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformers; Apparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties for manufacturing cores, coils, or magnets
- H01F41/0206—Manufacturing of magnetic cores by mechanical means
Abstract
The invention discloses an automatic shearing and laminating device and method for a transformer iron core, which comprises a silicon steel sheet transverse shearing line and comprises the following steps: the uncoiler is used for conveying the coiled and flattened silicon steel sheet; the upper end of the shearing table is provided with a shearing track and a first feeding device; the first feeding device is used for conveying the rolled silicon steel sheet to the shearing track; the shearing track is provided with a width detection mechanism, a first limiting mechanism and a second limiting mechanism; the width detection mechanism detects the width of the silicon steel sheet conveyed by the uncoiler, generates width detection data and sends the width detection data to the drive controller; the driving controller generates a driving adjustment instruction according to the width detection data; the first limiting mechanism and the second limiting mechanism synchronously adjust the limiting width of the silicon steel sheet according to the driving adjustment instruction. According to the invention, silicon steel sheets with randomly changed widths can be sheared, the filling rate of the iron core is effectively improved, meanwhile, 2 sets of mechanical arms and 3 grabbing pieces are adopted to grab and stack the silicon steel sheets, the grabbing and placing speed of the silicon steel sheets is effectively improved, and the efficiency is improved.
Description
Technical Field
The invention relates to the technical field of preparation of transformer cores, in particular to an automatic shearing and laminating device and method for a transformer core.
Background
The transformer is a device for changing an ac voltage using the principle of electromagnetic induction, and its main components are a primary coil, a secondary coil, and an iron core. The core is the main magnetic circuit part in the transformer. Usually made by stacking hot-rolled or cold-rolled silicon steel sheets containing silicon in a high content and coated with an insulating varnish on their surface. The silicon steel sheet is a ferrosilicon soft magnetic alloy with extremely low carbon content, the silicon content is generally 0.5-4.5%, and the addition of silicon can improve the resistivity and the maximum permeability of iron and reduce the coercive force, the iron core loss and the magnetic aging. At present, in the production process of silicon steel sheets, the silicon steel sheets need to be subjected to cross-cut treatment by utilizing cross-cut lines to form the silicon steel sheets. In the existing silicon steel sheet transverse shearing line, mechanisms for limiting the width of a silicon steel sheet are all fixed, the silicon steel sheet with one width specification can be sheared at one time, and the iron core overlapped by the silicon steel sheets has steps, so that the filling rate of the iron core is not high.
The manipulator of the automatic iron core of current transformer core generally only one or two manipulators snatch the silicon steel sheet simultaneously, like this the inefficiency of silicon steel sheet, can cause the shearing mechanism to stop when the manipulator stacks the silicon steel sheet simultaneously, influence speed and efficiency.
Disclosure of Invention
Aiming at the defects in the prior art, the invention aims to provide the automatic shearing and laminating device for the transformer iron core, which can improve the iron core filling rate and improve the grabbing efficiency of silicon steel sheets.
The second technical problem to be solved by the invention is to provide a method for automatically shearing the laminated sheets by using the automatic laminated sheet shearing device of the transformer iron core, so as to improve the iron core filling rate and the silicon steel sheet grabbing efficiency.
The technical scheme adopted by the invention for solving the first technical problem is as follows:
the utility model provides a transformer core's automatically cropped lamination device, includes silicon steel sheet crosscut line, silicon steel sheet crosscut line includes:
the uncoiler is used for conveying the coiled and flattened silicon steel sheet;
the upper end of the shearing table is provided with a shearing track and a first feeding device;
a drive controller;
the first feeding device is positioned between the uncoiler and the shearing track and is used for conveying the rolled silicon steel sheet to the shearing track;
the shearing track is provided with a width detection mechanism, a first limiting mechanism, a second limiting mechanism and two oblique shearing machines which are vertically arranged;
the oblique shearing machine is used for shearing the silicon steel sheet on the shearing track;
the first feeding device, the width detection mechanism, the first limiting mechanism and the second limiting mechanism are all in signal connection with the driving controller;
the width detection mechanism detects the width of the silicon steel sheet conveyed by the uncoiler, generates width detection data and sends the width detection data to the drive controller;
the driving controller generates a driving adjustment instruction according to the width detection data and simultaneously sends the driving adjustment instruction to the first limiting mechanism and the second limiting mechanism;
and the first limiting mechanism and the second limiting mechanism synchronously adjust the limiting width of the silicon steel sheet according to the driving adjustment instruction.
Further comprising:
the upper end of the workbench is provided with a conveyor belt, and the conveyor belt is used for conveying the silicon steel sheets cut on the cutting track;
the upper end of the shearing table is also provided with a second feeding device, and the second feeding device is positioned between the shearing track and the conveying belt and is used for conveying the silicon steel sheet sheared on the shearing track to the conveying belt;
the lamination table is used for laminating the cut silicon steel sheets;
the mechanical arm comprises a rotating assembly, a cross arm, a lifting assembly, a first cross beam and a grabbing mechanism, wherein the rotating assembly is rotatably arranged on two sides of the workbench, two ends of the cross arm are respectively connected with the rotating assembly and the lifting assembly, the lifting assembly is arranged at the lower end of the cross arm in a lifting manner, and the first cross beam is fixedly connected to the lower end of the lifting assembly;
the grabbing mechanism is arranged at the lower end of the first cross beam and comprises a sliding platform, a first driving assembly, a rotating platform, a second driving assembly, a first grabbing piece, a second grabbing piece, a third grabbing piece and a third driving assembly;
the sliding platform is slidably arranged at the lower end of the first cross beam;
the first driving assembly is fixedly arranged at the lower end of the first cross beam, the driving output end of the first driving assembly is connected with the sliding platform, and the first driving assembly is used for driving the sliding platform to slide along the first cross beam;
the rotating platform is rotatably arranged at the lower end of the sliding platform;
the second driving assembly is fixedly arranged at the lower end of the sliding platform, the driving output end of the second driving assembly is connected with the rotating platform, and the second driving assembly is used for driving the rotating platform to rotate;
the first grabbing piece, the second grabbing piece and the third grabbing piece are connected to the lower end of the sliding platform in a sliding mode in parallel, the third driving assembly is fixedly arranged at the lower end of the sliding platform and is in transmission connection with the first grabbing piece, the second grabbing piece and the third grabbing piece and used for driving the first grabbing piece, the second grabbing piece and the third grabbing piece to slide at the lower end of the sliding platform to be close to or far away from each other;
the first grabbing piece, the second grabbing piece and the third grabbing piece are all used for grabbing at least three silicon steel sheets with the same sheet shape on the conveying belt in a superposed mode and releasing the silicon steel sheets on the laminating table;
the robotic arm includes a first robotic arm and a second robotic arm.
Furthermore, when the first limiting mechanism and the second limiting mechanism synchronously adjust the limiting width of the silicon steel sheet according to the driving adjustment instruction, a preset deviation distance is reserved for the silicon steel sheet.
Further, the preset deviation distance is 0.2 mm.
Further, the first grabbing piece, the second grabbing piece and the third grabbing piece are all magnetic suction cups.
Further, the vertical distance between the first, second and third gripping members and the conveyor belt is 1.5 to 3.5 cm.
Further, the magnetic chuck has a magnetic attraction force of at least 4 kg to continuously adsorb a plurality of silicon steel sheets with the same sheet type.
Furthermore, two V-shaped punching machines which are oppositely and obliquely arranged and two mutually parallel punching devices are arranged on the shearing track;
the V-shaped punch is used for punching notches on the silicon steel sheets on the shearing track;
the punching device is used for punching the silicon steel sheet on the shearing track.
The technical scheme adopted by the invention for solving the second technical problem is as follows:
the automatic lamination shearing method for the transformer core comprises an automatic shearing step, and the automatic shearing step comprises the following steps:
step S1, the first feeding device conveys the rolled silicon steel sheet to a shearing track;
step S2, the width detection mechanism detects the width of the silicon steel sheet conveyed on the shearing track, generates width detection data and sends the width detection data to the driving controller;
step S3, the driving controller generates a driving adjustment instruction according to the width detection data and sends the driving adjustment instruction to the first limiting mechanism and the second limiting mechanism at the same time;
and step S4, the first limiting mechanism and the second limiting mechanism synchronously adjust the limiting width of the silicon steel sheet according to the driving adjustment instruction.
Further, still include one-level iron core preparation step, one-level iron core preparation step includes:
step A1, conveying the cut upper yoke silicon steel sheet to a preset position by a conveyor belt, driving the sliding platform to slide by the first driving assembly, driving the rotating platform to rotate by the second driving assembly, enabling a first grabbing piece on the rotating platform to be located above the upper yoke silicon steel sheet, and grabbing the upper yoke silicon steel sheet by the first grabbing piece;
step A2, conveying the cut lower yoke silicon steel sheet to a preset position by a conveyor belt, driving the sliding platform to slide by the first driving assembly, driving the rotating platform to rotate by the second driving assembly, enabling a second grabbing piece on the rotating platform to be located above the upper yoke silicon steel sheet, and grabbing the lower yoke silicon steel sheet by the second grabbing piece;
step A3, after the first grabbing piece and the second grabbing piece alternately grab at least three upper yoke silicon steel sheets and lower yoke silicon steel sheets in sequence according to the rule of the steps A1 and A2, the third driving assembly drives the first grabbing piece and the second grabbing piece to move on the sliding platform to a required distance and rotate 90 degrees through the rotating platform, the first driving assembly drives the sliding platform to move above the first lamination table, then the first grabbing piece and the second grabbing piece respectively release the upper yoke silicon steel sheets and the lower yoke silicon steel sheets, so that the upper yoke silicon steel sheets and the lower yoke silicon steel sheets respectively fall on corresponding positions of the first lamination table, and the stacking of the upper yoke silicon steel sheets and the lower yoke silicon steel sheets in the primary iron core is completed;
step A4, conveying the cut left column silicon steel sheet to a preset position by a conveyor belt, driving the sliding platform to slide by the first driving assembly, driving the rotating platform to rotate by the second driving assembly, enabling a first grabbing piece on the rotating platform to be located above the left column silicon steel sheet, and grabbing the left column silicon steel sheet by the first grabbing piece;
step A5, conveying the sheared center-column silicon steel sheet to a preset position by a conveyor belt, driving the sliding platform to slide by the first driving assembly, driving the rotating platform to rotate by the second driving assembly, enabling a second grabbing piece on the rotating platform to be located above the center-column silicon steel sheet, and grabbing the center-column silicon steel sheet by the second grabbing piece;
step A6, conveying the cut right column silicon steel sheet to a preset position by a conveyor belt, driving the sliding platform to slide by the first driving assembly, driving the rotating platform to rotate by the second driving assembly, enabling a third grabbing piece on the rotating platform to be located above the right column silicon steel sheet, and grabbing the right column silicon steel sheet by the third grabbing piece;
step A7, after the first grabbing piece, the second grabbing piece and the third grabbing piece sequentially and alternately grab at least three left column silicon steel sheets, center column silicon steel sheets and right column silicon steel sheets according to the rules of the steps A4, A5 and A6, the third driving assembly drives the first grabbing piece, the second grabbing piece and the third grabbing piece to move on the sliding platform to a required distance, the first driving assembly drives the sliding platform to move to the position above the first lamination table, then the first grabbing piece, the second grabbing piece and the third grabbing piece respectively release the left column silicon steel sheets, the center column silicon steel sheets and the right column silicon steel sheets, so that the left column silicon steel sheets, the center column silicon steel sheets and the right column silicon steel sheets respectively fall on corresponding positions of the first lamination table, and the lamination of the left column silicon steel sheets, the center column steel sheets and the right column silicon steel sheets in the primary iron core is completed;
further, the lamination table comprises a first lamination table, a second lamination table, a third lamination table and a fourth lamination table, the method further comprises the manufacturing steps of the rest iron cores at all levels, and the manufacturing steps of the rest iron cores at all levels comprise:
step B1, manufacturing subsequent iron cores at all levels according to the rule of the step A1-A7 to obtain a complete transformer iron core shaped like a Chinese character 'ri', and grabbing all upper yoke silicon steel sheets on the first lamination table to a position far away from the rest silicon steel sheets by at least 1CM by the first grabbing piece to form an open E-shaped iron core;
and step B2, controlling the first mechanical arm to complete the iron core stacking on the second lamination table and controlling the second mechanical arm to complete the iron core stacking on the third lamination table and the fourth lamination table according to the rule of the steps A1-B1, wherein the operation of the first mechanical arm and the operation of the second mechanical arm are performed in a staggered mode.
The invention has the beneficial effects that:
according to the invention, the width detection mechanism, the first limiting mechanism and the second limiting mechanism are sequentially arranged on the shearing track, the width detection mechanism is used for detecting the width of the rolled silicon steel sheet to obtain width detection data, and the width detection data are sent to the driving controller, so that the driving controller generates a driving adjustment instruction, and the first mechanism and the second limiting mechanism synchronously adjust the limiting width of the silicon steel sheet on the shearing track according to the driving adjustment instruction, so that the silicon steel sheet with randomly changed width can be sheared on the shearing track, and the filling rate of an iron core is effectively improved; meanwhile, the mechanical arms are arranged on the two sides of the workbench, the grabbing mechanism can grab and release the silicon steel sheet conveniently through the lifting and rotating of the mechanical arms, and the efficiency of grabbing and releasing the silicon steel sheet by the grabbing mechanism is effectively improved; the silicon steel sheet stacking device is also provided with the first grabbing piece, the second grabbing piece and the third grabbing piece, and the distances among the first grabbing piece, the second grabbing piece and the third grabbing piece can be adjusted in a sliding mode according to the distance among the silicon steel sheets, so that the precision of stacking the iron core by the silicon steel sheets is effectively improved, the iron core stacking efficiency is improved, and the popularization is facilitated.
Drawings
FIG. 1 is a top view of a first embodiment of the present invention;
FIG. 2 is a side view of a robot according to one embodiment of the present invention;
FIG. 3 is a top view of a second embodiment of the present invention;
FIG. 4 is a flow chart of the auto-cut step of the present invention;
FIG. 5 is a flow chart of the primary core fabrication steps of the present invention;
fig. 6 is a flow chart of the manufacturing steps of the iron cores of the other stages in the invention.
Reference numerals: 1. silicon steel sheet transverse shearing line; 11. an uncoiler; 12. a shearing table; 13. a drive controller; 14. shearing the rail; 15. a first feeding device; 16. a width detection mechanism; 17. a first limit mechanism; 18. a second limiting mechanism; 19. a second feeding device; 10. a diagonal shearing machine; 101. a V-shaped punch; 102. a punching device; 2. a work table; 3. a conveyor belt; 41. a first lamination station; 42. a second lamination station; 43. a third lamination station; 44. a fourth lamination station; 5A, a first mechanical arm; 5B, a first mechanical arm; 51. a rotating assembly; 52. a cross arm; 53. a lifting assembly; 54. a first cross member; 55. a grabbing mechanism; 551. a sliding platform; 552. a first drive assembly; 553. rotating the platform; 554. a second drive assembly; 555. a first grasping member; 556. a second grasping member; 557. a third grasping member; 558. a third drive assembly; 6. a support; 61. a second cross member.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and examples. In which like parts are designated by like reference numerals. It should be noted that the terms "front," "back," "left," "right," "upper" and "lower" used in the following description refer to directions in the drawings, and the terms "bottom" and "top," "inner" and "outer" refer to directions toward and away from, respectively, the geometric center of a particular component.
The first embodiment is as follows:
as shown in fig. 1 and fig. 2, the automatic lamination shearing device for transformer cores of the present embodiment includes a silicon steel sheet transverse shearing line 1, and the silicon steel sheet transverse shearing line 1 includes:
an uncoiler 11 for conveying the rolled silicon steel sheet;
a shearing table 12, the upper end of which is provided with a shearing track 14 and a first feeding device 15;
a drive controller 13;
the first feeding device 15 is positioned between the uncoiler 11 and the shearing track 14 and is used for conveying the rolled silicon steel sheet to the shearing track 14;
the shearing track 14 is provided with a width detection mechanism 16, a first limiting mechanism 17, a second limiting mechanism 18 and two inclined shears 10 which are vertically arranged;
the inclined shearing machine 10 is used for shearing the silicon steel sheets on the shearing track 14;
the width detection mechanism 16, the first limiting mechanism 17 and the second limiting mechanism 18 are in signal connection with the driving controller 13;
the width detection mechanism 16 detects the width of the silicon steel sheet conveyed on the shearing track 14, generates width detection data and sends the width detection data to the drive controller 13;
the driving controller 13 generates a driving adjustment instruction according to the width detection data and simultaneously sends the driving adjustment instruction to the first limiting mechanism 17 and the second limiting mechanism 18;
the first limiting mechanism 17 and the second limiting mechanism 18 synchronously adjust the limiting width of the silicon steel sheet according to the driving adjustment instruction.
The automatic shearing lamination device of transformer core still includes:
the upper end of the workbench 2 is provided with a conveyor belt 3, and the conveyor belt 3 is used for conveying silicon steel sheets cut on the cutting track 14;
the upper end of the shearing table 12 is also provided with a second feeding device 19, and the second feeding device 19 is positioned between the shearing rail 14 and the conveyor belt 3 and is used for conveying the silicon steel sheets sheared on the shearing rail 14 to the conveyor belt 3;
the lamination table is used for laminating the cut silicon steel sheets;
the mechanical arm comprises a rotating assembly 51, a cross arm 52, a lifting assembly 53, a first cross beam 54 and a grabbing mechanism 55, wherein the rotating assembly 51 is rotatably arranged at two sides of the workbench 2, two ends of the cross arm 52 are respectively connected with the rotating assembly 51 and the lifting assembly 53, the lifting assembly 53 is arranged at the lower end of the cross arm 52 in a lifting manner, and the first cross beam 54 is fixedly connected to the lower end of the lifting assembly 53;
the grabbing mechanism 55 is arranged at the lower end of the first cross beam 54, and the grabbing mechanism 55 comprises a sliding platform 551, a first driving assembly 552, a rotating platform 553, a second driving assembly 554, a first grabbing piece 555, a second grabbing piece 556, a third grabbing piece 557 and a third driving assembly 558;
a slide platform 551 is slidably provided at the lower end of the first cross member 54;
the first driving assembly 552 is fixedly arranged at the lower end of the first cross beam 54, the driving output end of the first driving assembly 552 is connected with the sliding platform 551, and the first driving assembly 552 is used for driving the sliding platform 551 to slide along the first cross beam 54;
the rotating platform 553 is rotatably disposed at the lower end of the sliding platform 551;
the second driving assembly 554 is fixedly arranged at the lower end of the sliding platform 551, the driving output end of the second driving assembly 554 is connected with the rotating platform 553, and the second driving assembly 554 is used for driving the rotating platform 553 to rotate;
the first grabbing member 555, the second grabbing member 556 and the third grabbing member 557 are connected to the lower end of the sliding platform 551 in a sliding mode in parallel, the third driving assembly 558 is fixedly arranged at the lower end of the sliding platform 551, and the third driving assembly 558 is in transmission connection with the first grabbing member 555, the second grabbing member 556 and the third grabbing member 557 and used for driving the first grabbing member 555, the second grabbing member 556 and the third grabbing member 557 to slide at the lower end of the sliding platform 551 to be close to or far away from each other;
the first grabbing member 555, the second grabbing member 556 and the third grabbing member 557 are all used for overlapping at least three silicon steel sheets with the same sheet type on the grabbing conveyor belt 3 and releasing the silicon steel sheets on the sheet stacking table.
In this embodiment, the width detection mechanism 16, the first limiting mechanism 17 and the second limiting mechanism 18 are composed of a servo motor driving mechanism, the servo motor driving mechanism comprises a servo motor, a screw rod is coaxially connected to an output shaft of the servo motor, a sliding block is sleeved on the screw rod through threads, a limiting block is arranged on the outer side of the screw rod, a limiting groove is formed in the limiting block, and the sliding block is slidably connected in the limiting groove. The servo motor operates to drive the screw rod to rotate, so that the sliding block slides on the screw rod. When the sliding block slides to abut against the silicon steel sheet, the driving current of the servo motor is abnormal, the width detection mechanism 16 sends the abnormal driving current to the driving controller 13, the driving controller 13 generates a corresponding driving adjustment instruction according to the abnormal driving current and simultaneously sends the driving adjustment instruction to the first limiting mechanism 17 and the second limiting mechanism 18, so that the servo motors of the first limiting mechanism 17 and the second limiting mechanism 18 adjust the running state, the limiting widths between the sliding block of the first limiting mechanism 17 and the second limiting mechanism 18 and the silicon steel sheet are synchronously adjusted, and the fact that the limiting widths of the silicon steel sheet after the adjustment of the first limiting mechanism 17 and the second limiting mechanism 18 are consistent is guaranteed.
Specifically, in this embodiment, by sequentially setting the width detection mechanism 16, the first limiting mechanism 17, and the second limiting mechanism 18 on the shearing track 14, the width detection data obtained by detecting the width of the rolled silicon steel sheet by the width detection mechanism 16 is sent to the drive controller 13, so that the drive controller 13 generates a drive adjustment instruction, the first mechanism and the second limiting mechanism 18 synchronously adjust the limiting width of the silicon steel sheet on the shearing track 14 according to the drive adjustment instruction, so that the silicon steel sheet with randomly changed width can be sheared on the shearing track 14, and the filling rate of the iron core is effectively improved.
In the present embodiment, the rotation angle of the rotating assembly 51 is at least 240 °. By rotating 240 °, the first mechanical arm 5A can grasp the silicon steel sheets on the first lamination table 41 and the second lamination table 42 at the same time.
The driving controller 13 is in signal connection with the first driving assembly 552, the second driving assembly 554 and the second driving assembly 554, and is used for driving the first driving assembly 552, the second driving assembly 554 and the second driving assembly 554 to normally operate. Each of the first, second and third drive assemblies 552, 554, 558 includes a drive motor and a transmission assembly drivingly connected to an output shaft of the drive motor, and the transmission assembly may be a chain and gear set.
The first lamination stage 41 and the second lamination stage 42 are disposed on the same side of the table 2, and the third lamination stage 43 and the fourth lamination stage 44 are disposed on the other side of the table 2.
In particular, in the embodiment, the mechanical arms are arranged on the two sides of the workbench 2, the silicon steel sheets can be conveniently grabbed and released by the grabbing mechanism 55 through the lifting and rotating of the mechanical arms, and the grabbing efficiency and the silicon steel sheet releasing efficiency of the grabbing mechanism 55 are effectively improved; the silicon steel sheet stacking device is further provided with the first grabbing piece 555, the second grabbing piece 556 and the third grabbing piece 557, and the distances among the first grabbing piece 555, the second grabbing piece 556 and the third grabbing piece 557 can be adjusted in a sliding mode according to the distance among the silicon steel sheets, so that the precision of stacking the iron core by the silicon steel sheets is effectively improved, the iron core stacking efficiency is improved, and the popularization is facilitated.
Preferably, when the first limiting mechanism 17 and the second limiting mechanism 18 synchronously adjust the limiting width of the silicon steel sheet according to the driving adjustment instruction, a preset deviation distance is reserved for the silicon steel sheet.
Preferably, the predetermined offset distance is 0.2 mm.
Preferably, the first grasping element 555, the second grasping element 556, and the third grasping element 557 are all magnetic suction cups.
Preferably, the vertical distance between the first 555, second 556 and third 557 gripping members and the conveyor belt 3 is 1.5 to 3.5 cm.
Preferably, the magnetic chuck has a magnetic attraction force of at least 4 kg to continuously attract a plurality of silicon steel sheets having the same sheet type.
Preferably, the shearing track 14 is further provided with two V-shaped punches 101 which are oppositely and obliquely arranged and two punching devices 102 which are parallel to each other;
the V-shaped punch 101 is used for punching notches on the silicon steel sheets on the shearing rail 14;
the punching device 102 is used for punching silicon steel sheets on the shearing rail 14.
Specifically, in this embodiment, the core shaped like a Chinese character 'ri' and the core shaped like a Chinese character 'E' need to be stacked, five types of sheet-type silicon steel sheets need to be punched, at least two positioning holes need to be punched in each silicon steel sheet, at least ten positioning rods matched with the positioning holes are convexly arranged on each stacking platform, and the positioning rods are used for positioning the positioning holes in the silicon steel sheets.
An automatic lamination shearing method for a transformer core is provided, and the automatic lamination shearing device for the transformer core comprises an automatic shearing step, as shown in fig. 4, wherein the automatic shearing step comprises:
step S1, the first feeding device 15 conveys the rolled silicon steel sheet to the shearing rail 14;
step S2, the width detection mechanism 16 detects the width of the silicon steel sheet conveyed on the shearing rail 14, generates a width detection data, and sends the width detection data to the driving controller 13;
step S3, the drive controller 13 generates a drive adjustment instruction according to the width detection data, and sends the drive adjustment instruction to the first limiting mechanism 17 and the second limiting mechanism 18 at the same time;
in step S4, the first limiting mechanism 17 and the second limiting mechanism 18 synchronously adjust the limiting width of the silicon steel sheet according to the driving adjustment instruction.
Preferably, the method further includes a step of manufacturing the primary iron core, as shown in fig. 5, the step of manufacturing the primary iron core includes:
step A1, conveying the cut upper yoke silicon steel sheet to a preset position by the conveyor belt 3, driving the sliding platform 551 to slide by the first driving assembly 552, and driving the rotating platform 553 to rotate by the second driving assembly 554, so that the first grabbing piece 555 on the rotating platform 553 is positioned above the upper yoke silicon steel sheet, and the first grabbing piece 555 grabs the upper yoke silicon steel sheet;
step a2, the conveyor belt 3 conveys the cut lower yoke silicon steel sheet to a preset position, the first driving assembly 552 drives the sliding platform 551 to slide, and simultaneously the second driving assembly 554 drives the rotating platform 553 to rotate, so that the second grabbing piece 556 on the rotating platform 553 is positioned above the upper yoke silicon steel sheet, and the second grabbing piece 556 grabs the lower yoke silicon steel sheet;
step A3, after the first grabbing member 555 and the second grabbing member 556 alternately grab at least three upper yoke silicon steel sheets and lower yoke silicon steel sheets in sequence according to the rule of the steps a1 and a2, the third driving assembly 558 drives the first grabbing member 555 and the second grabbing member 556 to move on the sliding platform 551 to a required distance and rotate 90 degrees through the rotating platform 553, the first driving assembly 552 drives the sliding platform 551 to move above the first lamination table 41, and then the first grabbing member 555 and the second grabbing member 556 respectively release the upper yoke silicon steel sheets and the lower yoke silicon steel sheets, so that the upper yoke silicon steel sheets and the lower yoke silicon steel sheets respectively fall on corresponding positions of the first lamination table 41, and the stacking of the upper yoke silicon steel sheets and the lower yoke silicon steel sheets in the primary iron core is completed;
step A4, conveying the cut left-side column silicon steel sheet to a preset position by the conveyor belt 3, driving the sliding platform 551 to slide by the first driving assembly 552, and driving the rotating platform 553 to rotate by the second driving assembly 554, so that the first grabbing piece 555 on the rotating platform 553 is positioned above the left-side column silicon steel sheet, and the first grabbing piece 555 grabs the left-side column silicon steel sheet;
step A5, conveying the sheared center column silicon steel sheet to a preset position by the conveyor belt 3, driving the sliding platform 551 to slide by the first driving assembly 552, and driving the rotating platform 553 to rotate by the second driving assembly 554, so that the second grabbing piece 556 on the rotating platform 553 is positioned above the center column silicon steel sheet, and the second grabbing piece 556 grabs the center column silicon steel sheet;
step A6, conveying the cut right column silicon steel sheet to a preset position by the conveyor belt 3, driving the sliding platform 551 to slide by the first driving assembly 552, and driving the rotating platform 553 to rotate by the second driving assembly 554, so that the third grabbing piece 557 on the rotating platform 553 is positioned above the right column silicon steel sheet, and the third grabbing piece 557 grabs the right column silicon steel sheet;
step A7, according to the rule of the steps A4, A5 and A6, after the first grabbing member 555, the second grabbing member 556 and the third grabbing member 557 alternately grab at least three left column silicon steel sheets, center column silicon steel sheets and right column silicon steel sheets in turn, after the third drive assembly 558 drives the first 555, second 556 and third 557 grabbers to move on the slide platform 551 to a desired separation from each other, the first driving assembly 552 drives the sliding platform 551 to move above the first lamination stage 41, then the first grabbing member 555, the second grabbing member 556 and the third grabbing member 557 respectively release the left side column silicon steel sheet, the middle column silicon steel sheet and the right side column silicon steel sheet, so that the left side column silicon steel sheet, the middle column silicon steel sheet and the right side column silicon steel sheet respectively fall on the corresponding positions of the first lamination table 41, and the lamination of the left side column silicon steel sheet, the middle column silicon steel sheet and the right side column silicon steel sheet in the primary iron core is completed.
Preferably, the lamination stations include a first lamination station 41, a second lamination station 42, a third lamination station 43, and a fourth lamination station 44, the robot arm includes a first robot arm 5A and a second robot arm 5B, the method further includes the steps of manufacturing the iron cores at the remaining stages, as shown in fig. 6, the steps of manufacturing the iron cores at the remaining stages include:
step B1, manufacturing subsequent iron cores at all levels according to the rule of the step A1-A7 to obtain a complete iron core of the transformer in a shape like the Chinese character 'ri', and grabbing all upper yoke silicon steel sheets on the first lamination table 41 to a position far away from the rest silicon steel sheets by the first grabbing piece 555 to form an open E-shaped iron core;
and step B2, controlling the first mechanical arm 5A to complete the iron core stacking on the second lamination table 42 and controlling the second mechanical arm 5B to complete the iron core stacking on the third lamination table 43 and the fourth lamination table 44 according to the rule of the steps A1-B1, wherein the operation of the first mechanical arm 5A and the operation of the second mechanical arm 5B are performed in a staggered manner.
Example two:
essentially the same as in the first embodiment, with the difference that, as shown in fig. 3, the working table 2 and the upper end of each lamination table are laterally spanned by two supports 6, each provided with a second beam 61, the gripping means 55 being arranged at the lower end of the second beam 61. A slide platform 551 is slidably provided at the lower end of the second cross member 61; the first driving assembly 552 is fixedly disposed at the lower end of the second beam 61, a driving output end of the first driving assembly 552 is connected to the sliding platform 551, and the first driving assembly 552 is used for driving the sliding platform 551 to slide along the second beam 61. The driving mechanism slides left and right at the lower end of the second cross beam 61, and at least three silicon steel sheets with the same sheet type on the conveyor belt 3 are overlapped and grabbed through the first grabbing member 555, the second grabbing member 556 and the third grabbing member 557, and are released at each sheet stacking table.
The above is only a preferred embodiment of the present invention, and the protection scope of the present invention is not limited to the above-mentioned embodiments, and all technical solutions belonging to the idea of the present invention belong to the protection scope of the present invention. It should be noted that modifications and embellishments within the scope of the invention may occur to those skilled in the art without departing from the principle of the invention, and are considered to be within the scope of the invention.
Claims (10)
1. The utility model provides a transformer core's automatically cropped lamination device, its characterized in that, includes silicon steel sheet shear line (1), silicon steel sheet shear line (1) includes:
the uncoiler (11) is used for conveying the coiled and flattened silicon steel sheet;
the upper end of the shearing table (12) is provided with a shearing track (14) and a first feeding device (15);
a drive controller (13);
the first feeding device (15) is positioned between the uncoiler (11) and the shearing track (14) and is used for conveying the rolled silicon steel sheet to the shearing track (14);
the shearing track (14) is provided with a width detection mechanism (16), a first limiting mechanism (17), a second limiting mechanism (18) and two oblique shearing machines (10) which are vertically arranged;
the inclined shearing machine (10) is used for shearing the silicon steel sheets on the shearing track (14);
the width detection mechanism (16), the first limiting mechanism (17) and the second limiting mechanism (18) are in signal connection with the driving controller (13);
the width detection mechanism (16) detects the width of the silicon steel sheet conveyed on the shearing track (14), generates width detection data and sends the width detection data to the driving controller (13);
the driving controller (13) generates a driving adjustment instruction according to the width detection data and simultaneously sends the driving adjustment instruction to the first limiting mechanism (17) and the second limiting mechanism (18);
and the first limiting mechanism (17) and the second limiting mechanism (18) synchronously adjust the limiting width of the silicon steel sheet according to the driving adjustment instruction.
The automatic shearing lamination device of transformer core still includes:
the upper end of the workbench (2) is provided with a conveyor belt (3), and the conveyor belt (3) is used for conveying the silicon steel sheets cut on the cutting track (14);
the upper end of the shearing table (12) is also provided with a second feeding device (19), and the second feeding device (19) is positioned between the shearing track (14) and the conveyor belt (3) and is used for conveying the silicon steel sheets sheared on the shearing track (14) to the conveyor belt (3);
the lamination table is used for laminating the cut silicon steel sheets;
the mechanical arm comprises a rotating assembly (51), a cross arm (52), a lifting assembly (53), a first cross beam (54) and a grabbing mechanism (55), wherein the rotating assembly (51) is rotatably arranged on two sides of the workbench (2), two ends of the cross arm (52) are respectively connected with the rotating assembly (51) and the lifting assembly (53), the lifting assembly (53) is arranged at the lower end of the cross arm (52) in a lifting manner, and the first cross beam (54) is fixedly connected to the lower end of the lifting assembly (53);
the grabbing mechanism (55) is arranged at the lower end of the first cross beam (54), and the grabbing mechanism (55) comprises a sliding platform (551), a first driving assembly (552), a rotating platform (553), a second driving assembly (554), a first grabbing piece (555), a second grabbing piece (556), a third grabbing piece (557) and a third driving assembly (558);
the sliding platform (551) is slidably arranged at the lower end of the first cross beam (54);
the first driving assembly (552) is fixedly arranged at the lower end of the first cross beam (54), the driving output end of the first driving assembly (552) is connected with the sliding platform (551), and the first driving assembly (552) is used for driving the sliding platform (551) to slide along the first cross beam (54);
the rotating platform (553) is rotatably arranged at the lower end of the sliding platform (551);
the second driving assembly (554) is fixedly arranged at the lower end of the sliding platform (551), the driving output end of the second driving assembly (554) is connected with the rotating platform (553), and the second driving assembly (554) is used for driving the rotating platform (553) to rotate;
the first grabbing piece (555), the second grabbing piece (556) and the third grabbing piece (557) are connected to the lower end of the sliding platform (551) in a sliding mode in parallel, the third driving assembly (558) is fixedly arranged at the lower end of the sliding platform (551), and the third driving assembly (558) is in transmission connection with the first grabbing piece (555), the second grabbing piece (556) and the third grabbing piece (557) and used for driving the first grabbing piece (555), the second grabbing piece (556) and the third grabbing piece (557) to slide at the lower end of the sliding platform (551) to be close to or far away from each other;
the first grabbing member (555), the second grabbing member (556) and the third grabbing member (557) are used for grabbing at least three silicon steel sheets with the same sheet type on the conveyor belt (3) in a superposed mode and releasing the silicon steel sheets on the laminating table.
2. The apparatus for automatically shearing laminations for a transformer core as recited in claim 1, wherein: and when the first limiting mechanism (17) and the second limiting mechanism (18) synchronously adjust the limiting width of the silicon steel sheet according to the driving adjustment instruction, a preset deviation distance is reserved for the silicon steel sheet.
3. The apparatus for automatically shearing laminations for a transformer core as recited in claim 1, wherein: the preset deviation distance is 0.2 mm.
4. The apparatus for automatically shearing laminations for a transformer core as recited in claim 2, wherein: the first gripping member (555), the second gripping member (556), and the third gripping member (557) are all magnetic suction cups.
5. The apparatus of claim 4, wherein: the vertical distance between the first (555), second (556) and third (557) gripping members and the conveyor belt (3) is 1.5 to 3.5 cm.
6. The apparatus for automatically shearing laminations for a transformer core as recited in claim 7, wherein: the magnetic chuck has at least 4 kilograms of magnetic attraction force to continuously adsorb a plurality of silicon steel sheets with the same sheet type.
7. The apparatus for automatically shearing laminations for a transformer core as recited in claim 1, wherein: the shearing track (14) is also provided with two V-shaped punches (101) which are oppositely and obliquely arranged and two punching devices (102) which are parallel to each other;
the V-shaped punch (101) is used for punching notches on the silicon steel sheets on the shearing rail (14);
the punching device (102) is used for punching silicon steel sheets on the shearing rail (14).
8. A method of automatically cutting laminations for a transformer core, characterized in that an apparatus for automatically cutting laminations for a transformer core according to any one of claims 1 to 7 is provided, said method of automatically cutting laminations for a transformer core comprising an automatic cutting step comprising:
step S1, the first feeding device (15) conveys the rolled silicon steel sheet to a shearing rail (14);
step S2, the width detection mechanism (16) detects the width of the silicon steel sheet conveyed on the shearing track (14), generates width detection data and sends the width detection data to the driving controller (13);
step S3, the driving controller (13) generates a driving adjustment instruction according to the width detection data and simultaneously sends the driving adjustment instruction to the first limiting mechanism (17) and the second limiting mechanism (18);
and step S4, the first limiting mechanism (17) and the second limiting mechanism (18) synchronously adjust the limiting width of the silicon steel sheet according to the driving adjustment instruction.
9. The method of automatically shearing laminations for a transformer core of claim 8, wherein: still include one-level iron core preparation step, one-level iron core preparation step includes:
a1, conveying the cut upper yoke silicon steel sheet to a preset position by a conveyor belt (3), driving a sliding platform (551) to slide by a first driving assembly (552), and driving a rotating platform (553) to rotate by a second driving assembly (554), so that a first grabbing piece (555) on the rotating platform (553) is positioned above the upper yoke silicon steel sheet, and grabbing the upper yoke silicon steel sheet by the first grabbing piece (555);
step A2, conveying the cut lower yoke silicon steel sheet to a preset position by the conveyor belt (3), driving the sliding platform (551) to slide by the first driving assembly (552), and driving the rotating platform (553) to rotate by the second driving assembly (554) at the same time, so that the second grabbing piece (556) on the rotating platform (553) is positioned above the upper yoke silicon steel sheet, and grabbing the lower yoke silicon steel sheet by the second grabbing piece (556);
step A3, after the first grabbing member (555) and the second grabbing member (556) alternately grab at least three upper yoke silicon steel sheets and lower yoke silicon steel sheets in sequence according to the rule of the steps A1 and A2, the third driving assembly (558) drives the first grabbing member (555) and the second grabbing member (556) to move on the sliding platform (551) to a required distance and rotate 90 degrees through the rotating platform (553), the first driving assembly (552) drives the sliding platform (551) to move above the first lamination platform (41), and then the first grabbing member (555) and the second grabbing member (556) release the upper yoke silicon steel sheets and the lower yoke silicon steel sheets respectively to enable the upper yoke silicon steel sheets and the lower yoke silicon steel sheets to fall on corresponding positions of the first lamination platform (41) respectively, so that the upper yoke silicon steel sheets and the lower yoke silicon steel sheets in the first-level iron core are stacked;
step A4, conveying the cut left column silicon steel sheet to a preset position by the conveyor belt (3), driving the sliding platform (551) to slide by the first driving assembly (552), and driving the rotating platform (553) to rotate by the second driving assembly (554), so that the first grabbing piece (555) on the rotating platform (553) is located above the left column silicon steel sheet, and grabbing the left column silicon steel sheet by the first grabbing piece (555);
step A5, conveying the sheared center column silicon steel sheet to a preset position by the conveyor belt (3), driving the sliding platform (551) to slide by the first driving assembly (552), and driving the rotating platform (553) to rotate by the second driving assembly (554), so that the second grabbing piece (556) on the rotating platform (553) is located above the center column silicon steel sheet, and grabbing the center column silicon steel sheet by the second grabbing piece (556);
step A6, conveying the cut right column silicon steel sheet to a preset position by the conveyor belt (3), driving the sliding platform (551) to slide by the first driving assembly (552), and driving the rotating platform (553) to rotate by the second driving assembly (554), so that the third grabbing piece (557) on the rotating platform (553) is located above the right column silicon steel sheet, and grabbing the right column silicon steel sheet by the third grabbing piece (557);
step A7, after the first grabbing member (555), the second grabbing member (556) and the third grabbing member (557) alternately grab at least three left-side column silicon steel sheets, center column silicon steel sheets and right-side column silicon steel sheets in sequence according to the rules of the steps A4, A5 and A6, the third driving assembly (558) drives the first grabbing member (555), the second grabbing member (556) and the third grabbing member (557) to move on the sliding platform (551) to a required distance, the first driving assembly (552) drives the sliding platform (551) to move to the upper side of the first silicon steel sheet stacking platform (41), and then the first grabbing member (555), the second grabbing member (556) and the third grabbing member (557) release the left-side column silicon steel sheets, the center column silicon steel sheets and the right-side column silicon steel sheets respectively, so that the left-side column silicon steel sheets, the center column silicon steel sheets and the right-side column silicon steel sheets fall on corresponding positions of the first silicon steel sheet stacking platform (41) respectively, and the stack assembly of the left column silicon steel sheet, the middle column silicon steel sheet and the right column silicon steel sheet in the primary iron core is completed.
10. The method of automatically shearing laminations for a transformer core of claim 9, wherein: the lamination table comprises a first lamination table (41), a second lamination table (42), a third lamination table (43) and a fourth lamination table (44), the mechanical arm comprises a first mechanical arm (5A) and a second mechanical arm (5B), the method further comprises the manufacturing steps of the rest iron cores at all levels, and the manufacturing steps of the rest iron cores at all levels comprise:
step B1, manufacturing subsequent iron cores at all levels according to the rule of the step A1-A7 to obtain a complete iron core of the transformer in a shape like the Chinese character 'ri', and grabbing all upper yoke silicon steel sheets on the first lamination table (41) to a position far away from the rest silicon steel sheets by a first grabbing piece (555) to form an open E-shaped iron core;
and step B2, controlling the first mechanical arm (5A) to complete the iron core stacking on the second lamination table (42) and controlling the second mechanical arm (5B) to complete the iron core stacking on the third lamination table (43) and the fourth lamination table (44) according to the rule of the steps A1-B1, wherein the operation of the first mechanical arm (5A) and the operation of the second mechanical arm (5B) are carried out in a staggered mode.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202111465695.7A CN114188142A (en) | 2021-12-03 | 2021-12-03 | Automatic shearing and laminating device and method for transformer core |
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| CN202111465695.7A CN114188142A (en) | 2021-12-03 | 2021-12-03 | Automatic shearing and laminating device and method for transformer core |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116809756A (en) * | 2023-07-19 | 2023-09-29 | 重庆望变电气（集团）股份有限公司 | Silicon steel sheet transverse cutting device and control method thereof |
| CN117038303A (en) * | 2023-07-13 | 2023-11-10 | 重庆望变电气（集团）股份有限公司 | Silicon steel sheet slice stacking system and control method thereof |
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2021
- 2021-12-03 CN CN202111465695.7A patent/CN114188142A/en active Pending
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117038303A (en) * | 2023-07-13 | 2023-11-10 | 重庆望变电气（集团）股份有限公司 | Silicon steel sheet slice stacking system and control method thereof |
| CN117038303B (en) * | 2023-07-13 | 2024-04-30 | 重庆望变电气（集团）股份有限公司 | Silicon steel sheet slice stacking system and control method thereof |
| CN116809756A (en) * | 2023-07-19 | 2023-09-29 | 重庆望变电气（集团）股份有限公司 | Silicon steel sheet transverse cutting device and control method thereof |
| CN116809756B (en) * | 2023-07-19 | 2024-03-22 | 重庆望变电气（集团）股份有限公司 | Silicon steel sheet transverse cutting device and control method thereof |
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