Automatic lamination apparatus for transformer core and processing method

Abstract

The present application belongs to the technical field of transformer core lamination processing, and particularly relates to an automatic lamination equipment for transformer core, comprising two slide rails, the two slide rails are parallel to each other and fixed on the top of a support, two parallel lamination moving assemblies are slidably connected on the slide rails, the cross beams of the lamination moving assemblies are both fixedly connected with linear motors at both ends, the two linear motors are slidably connected on the corresponding slide rails, a pneumatic cylinder is fixedly connected on the cross beam, and the piston rod of the pneumatic cylinder is fixedly connected with a fixed plate at the extending end. The present application can avoid scratching the bottom silicon steel sheet when the sharp end of the silicon steel sheet falls down, improve the quality of the core, efficiently sort and stack E-shaped sheet and I-shaped sheet, effectively prevent the deformation, sliding or scattering of the sheet during the transfer and placement, improve the lamination neatness, and enhance the adaptability to the lamination of different specifications of cores.

Description

Technical Field

[0001] This invention belongs to the field of transformer core lamination technology, specifically relating to an automatic lamination device and processing method for transformer cores. Background Technology

[0002] The transformer core is the core magnetic circuit component of a transformer. Its core function is to conduct and concentrate the magnetic field, enabling the electromagnetic induction and efficient transmission of electrical energy. The performance of the core directly determines key indicators of the transformer, such as no-load loss, iron loss, noise, temperature rise, and efficiency. The transformer core is the main magnetic circuit part of the transformer, typically made of hot-rolled or cold-rolled silicon steel sheets with a high silicon content and an insulating varnish coating. An EI-type core mainly consists of one E-type lamination and one I-type lamination. The E-type lamination has three protruding parts and is shaped like the letter "E," while the I-type lamination is shaped like the letter "I." During transformer core assembly, the I-type lamination is used to close the opening of the E-type lamination, thus forming a complete magnetic circuit channel. This structure is simple and effective, meeting the functional requirements of guiding magnetic flux in the transformer core.

[0003] Chinese invention patent application number CN202411856133.9 discloses a transformer core lamination device and its operation method, including an operating cabinet and a frame. The bottom of the frame is fixedly connected to the top of the operating cabinet. It also includes a lamination table, a feeding table, a hopper, a lamination pusher, a friction roller, a lamination sorting assembly, an anti-overlapping lamination assembly, and a lamination assembly. The lamination table is vertically slidably mounted on the operating cabinet. The feeding table is symmetrically arranged on both sides of the lamination table and fixedly connected to the top of the operating table. The hopper is vertically movable and mounted on the operating table. The hopper passes through the top wall of the operating table and is inserted into the inner wall of the feeding table. In order to prevent positional displacement caused by overlapping laminations, this invention applies downward frictional force to the edge of the silicon steel sheet through the friction roller, which can push the bottom layer of silicon steel sheet off. Since the two layers of silicon steel sheet are separated in the initial stage of movement, the bottom layer of silicon steel sheet does not rise and will not cause positional displacement due to falling, thus further improving the lamination accuracy.

[0004] However, in existing lamination operations using robotic arms, the silicon steel sheets used for stacking transformer cores are produced by rolling and shearing thin silicon steel sheets. These sheets are characterized by their large weight, large area, and thinness. Furthermore, the ends of these silicon steel sheets are sharp bevels, making them very pointed. This means that when the robotic arm directly grasps the silicon steel sheets, the sharp ends droop downwards. When the robotic arm places the grasped silicon steel sheets at the stacking point, the sharp ends can easily scratch the already stacked silicon steel sheets below, thus affecting the quality of the finished laminated product. Damage to the transformer core leads to reduced performance and decreased product quality. Furthermore, the simultaneous alternating stacking of E-type and I-type laminations of EI-type cores by a separate robotic arm and suction cups places extremely high demands on the precision of the robotic arm's operation, resulting in high costs and a high risk of misalignment. When the robotic arm repeatedly alternates between handling the E-type and I-type laminations of EI-type cores, it undergoes multiple large-angle rotations, which can easily cause slippage and scattering of silicon steel sheets during the stacking process. Existing stacking devices often only support one type of core size, resulting in poor adaptability and adjustability. Summary of the Invention

[0005] To address the shortcomings of existing technologies, this invention provides an automatic lamination device for transformer cores. Through the coordinated operation of slide rails, supports, lamination shifting assemblies, lamination pick-and-place crossbars, lamination sump assemblies, and lamination seats, this invention avoids the sharp ends of silicon steel sheets from drooping and scratching the bottom sheets during lamination, thus improving core performance and quality. Furthermore, this invention employs a dual-station collaborative design, with two independently controlled lamination shifting assemblies working in conjunction with differently arranged pick-and-place crossbars to efficiently sort and stack E-type and I-type laminations. This invention also utilizes magnetic chucks for stable gripping, supplemented by sump plates capable of arc-shaped movement to hold the sharp ends of the silicon steel sheets, effectively preventing deformation, slippage, or scattering of the sheets during transport and placement, improving lamination neatness. Finally, this invention features high adaptability and adjustability; the chuck seats on the pick-and-place crossbars can be flexibly arranged in the horizontal slots, and the position of the seat blocks on the lamination seat is adjustable, enhancing the equipment's adaptability to stacking cores of different specifications.

[0006] To achieve the above objectives, the present invention adopts the following technical solution: An automatic lamination device for transformer cores includes two parallel slide rails fixed to the top of a support. Two parallel lamination shifting assemblies are slidably connected to the slide rails. Linear motors are fixedly connected to both ends of the crossbeams of the shifting assemblies. The two linear motors are slidably connected to their respective slide rails. A pneumatic cylinder is fixedly connected to the crossbeam, and a fixed plate is fixedly connected to the extended end of the pneumatic cylinder piston rod. A lamination pick-and-place column is fixedly connected to the bottom of the fixed plate. The bottom of the pick-and-place column has a magnetic chuck. A lamination stacking seat is arranged below the area enclosed by the slide rails, and the core to be stacked is placed on the stacking seat. A lamination hopper assembly is fixedly connected to both ends of each pick-and-place column. A C-shaped block of the hopper assembly is fixedly connected to a horizontal groove. A lead screw is rotatably connected to the side of the C-shaped block facing away from the horizontal groove. A stepper motor is fixedly connected to the top of the C-shaped block. The lead screw is driven by the stepper motor, and a slider is driven by the lead screw. When the slider slides on the lead screw, the hopper plate driven by the slider moves in an arc.

[0007] Furthermore, the C-shaped block includes a block body, with a first connecting block and a second connecting block fixedly connected to both ends of the block body. The lead screw is rotatably connected between the first connecting block and the second connecting block, and a stepper motor is fixedly connected to the top of the first connecting block.

[0008] Furthermore, the pocket assembly includes a first connecting rod, one end of which is rotatably connected to the slider, the other end of which is rotatably connected to one end of a second connecting rod, the other end of which is rotatably connected to a second connecting block and fixedly connected to one end of a third connecting rod, and the other end of which is fixedly connected to the pocket plate.

[0009] Furthermore, a slanted groove is provided at the rotatable connection between the second connecting rod and the second connecting block, the second connecting block and the third connecting rod form an obtuse angle, and the third connecting rod is perpendicular to the pocket plate.

[0010] Furthermore, a pick-and-place horizontal column perpendicular to the length direction of the slide rail is fixedly connected to the lower part of the fixing plate of one of the pick-and-place assemblies, and three parallel pick-and-place horizontal columns aligned with the length direction of the slide rail are fixedly connected to the lower part of the fixing plate of the other pick-and-place assembly. A horizontal groove is formed on the column body of each pick-and-place horizontal column, and multiple suction cup seats are fixedly connected to the horizontal groove. A magnetic suction cup is fixedly connected to the bottom of each suction cup seat. A slotted block is fixedly connected to the side of the block facing away from the lead screw, and the slotted block is fixedly connected to the horizontal groove.

[0011] Furthermore, the pick-and-place column includes a first junction box, which wraps around the side profile of the column and passes through each suction cup seat. The first junction box is partially fixed to a fixing plate. A second junction box and an industrial control computer are fixedly connected to the fixing plate, with the second junction box connecting the first junction box and the industrial control computer.

[0012] Furthermore, both the magnetic chuck and the stepper motor are electrically connected to the industrial control computer unit, and the wires connecting them are arranged sequentially in the first junction box and the second junction box.

[0013] Furthermore, the plate-shifting assembly includes a solenoid valve, which is fixedly connected to the crossbeam, and the pneumatic cylinder is electrically connected to the solenoid valve.

[0014] Furthermore, the stacking seat includes a seat body, on which a seat rail is fixedly connected. The seat rail is cross-shaped, and four seat blocks are arranged circumferentially on the seat rail. The seat blocks are slidably connected to the seat rail, and adjustment knobs are fixedly connected to the four ends of the seat rail away from the center. The adjustment knobs and the corresponding seat blocks are connected by transmission rods housed inside the seat rail.

[0015] This invention also claims a lamination processing method for an automatic lamination device for transformer cores, comprising the following steps: S101: Start the linear motor, and the wafer shifting assembly slides on the slide rail until the wafer shifting assembly slides above the silicon steel sheet material pile; S102: The pneumatic cylinder of the wafer shifting assembly is activated, the piston rod of the pneumatic cylinder extends, and the wafer-collecting assembly on the lower side of the fixed plate moves downward until the magnetic chuck attracts the silicon steel sheet in the silicon steel sheet material pile, and the piston rod of the pneumatic cylinder of the wafer shifting assembly retracts. S103: The stepper motor of the pocket assembly starts, driving the slider on the lead screw to move upward, further driving the pocket plate to unfold in an arc. The bottom surface of the pocket plate pushes open the end of the silicon steel sheet that is attracted to the magnetic chuck, until the pocket plate unfolds to a horizontal position, and the end of the silicon steel sheet on the magnetic chuck is caught on the pocket plate. S104: Restart the linear motor, the sheet-shifting assembly slides on the slide rail, the sheet-shifting assembly slides above the stacking seat, the pneumatic cylinder starts, the pneumatic cylinder piston rod extends until the silicon steel sheet attracted by the magnetic chuck touches the iron core to be stacked. S105: The stepper motor of the pocket assembly starts again, driving the horizontal pocket plate to unfold further, so that the pocket plate separates from the end of the silicon steel sheet held by the magnetic chuck, and the sharp end of the silicon steel sheet can fall smoothly onto the iron core to be stacked. S106: The magnetic chuck releases the silicon steel sheet, the pneumatic cylinder piston rod retracts, the stepper motor starts and reverses, driving the slider on the lead screw to move downwards, further driving the pocket plate to retract and reset, completing one stacking cycle.

[0016] Compared with the prior art, the present invention has the following beneficial effects: (1) This invention can avoid the sharp ends of silicon steel sheets from drooping and scratching the bottom silicon steel sheets when stacking silicon steel sheets, thus improving the performance and quality of the iron core. When the linear motor is started, the sheet-moving assembly will slide on the slide rail until the sheet-moving assembly slides above the silicon steel sheet material pile. Then, the pneumatic cylinder fixedly connected to the crossbeam is started, the piston rod of the pneumatic cylinder extends, and the sheet-collecting assembly on the lower side of the fixed plate moves downward until the magnetic chuck attracts the silicon steel sheets in the silicon steel sheet material pile. The piston rod of the pneumatic cylinder of the sheet-moving assembly is retracted. Then, the stepper motor of the sheet-collecting assembly is started, and the slider on the lead screw moves upward, so that the collecting plate unfolds in an arc and the bottom surface of the collecting plate is opened and attracted to the magnetic chuck. The sharp ends of the silicon steel sheets on the suction cups cause the ends of the silicon steel sheets on the magnetic chucks to be caught on the catch plate. The linear motor is started again, the sheet-moving assembly slides above the stacking seat, the pneumatic cylinder piston rod extends until the silicon steel sheet attracted by the magnetic chuck touches the iron core to be stacked, the stepper motor of the catch plate assembly starts again, the slider and the first connecting rod continue to move upward, driving the horizontal catch plate to further unfold, so that the catch plate separates from the sharp ends of the silicon steel sheets attracted by the magnetic chuck, and the sharp ends of the silicon steel sheets can fall smoothly onto the iron core to be stacked, completing one stacking, avoiding the sharp ends of the silicon steel sheets from drooping and scratching the bottom silicon steel sheets when stacking silicon steel sheets.

[0017] (2) The present invention can improve the stacking efficiency and accuracy of silicon steel sheets of different properties. Because the two slide rails are parallel to each other and fixed on the top of the support, two parallel sheet-moving assemblies are slidably connected on the slide rails, and a sheet-picking and placing cross column perpendicular to the length direction of the slide rail is fixedly connected to the lower part of the fixing plate of one sheet-moving assembly, and three parallel sheet-picking and placing cross columns consistent with the length direction of the slide rail are fixedly connected to the lower part of the fixing plate of the other sheet-moving assembly. Therefore, a dual-station collaborative design is formed. The two independently controlled sheet-moving assemblies, together with the sheet-picking and placing cross columns with different layouts, can efficiently sort and stack E-type sheets and I-type sheets.

[0018] (3) The present invention can also improve the neatness of stacking because after the magnetic chuck holds the silicon steel sheet, when the crossbeam of the sheet transfer assembly slides along the length of the slide rail, the scoop plate of the sheet scoop assembly holds the sharp parts at both ends of the silicon steel sheet. The magnetic chuck is used to hold the silicon steel sheet stably, and the scoop plate that can make arc movements holds the sharp ends of the silicon steel sheet. This can effectively prevent the sheet from deforming, slipping or scattering during the transfer and placement process, thus improving the neatness of stacking.

[0019] (4) The present invention also has high adaptability and adjustability, because the column of the pick-and-place column has a horizontal groove, and each of the pick-and-place column has a piece-collecting assembly fixedly connected to both ends. The C-shaped block of the piece-collecting assembly is fixedly connected to the horizontal groove, and the fixed connection is adjustable along the horizontal groove; the slot block of each piece-collecting assembly is also fixedly connected to the horizontal groove, and the fixed connection is also adjustable along the horizontal groove; the fixing point of the suction cup seat on the pick-and-place column can also be flexibly arranged in the horizontal groove; the adjustment knob on the stacking seat and the corresponding seat block are connected by transmission rods housed inside the seat rail, so that the position of the seat block on the stacking seat is adjustable along the seat rail, which enhances the adaptability of the equipment to stacking iron cores of different specifications. Attached Figure Description

[0020] Figure 1 This is a schematic diagram of the overall structure of an automatic lamination device for transformer cores according to the present invention; Figure 2 This is a partial structural diagram of an automatic lamination device for transformer cores according to the present invention. Figure 1 ; Figure 3 This is a partial structural diagram of an automatic lamination device for transformer cores according to the present invention. Figure 2 ; Figure 4 This is a partial structural diagram of an automatic lamination device for transformer cores according to the present invention. Figure 3 ; Figure 5 This is a partial structural diagram of an automatic lamination device for transformer cores according to the present invention. Figure 4 ; Figure 6 This is a schematic diagram of the lamination assembly structure of an automatic lamination device for transformer cores according to the present invention; Figure 7 This is a schematic diagram of the lamination seat structure of an automatic lamination device for transformer cores according to the present invention; Figure 8 This is a flowchart of a processing method using an automatic lamination device for transformer cores according to the present invention.

[0021] The attached figures are labeled as follows: 100. Slide rail; 200. Bracket; 300. Slab shifting assembly; 301. Crossbeam; 302. Linear motor; 303. Pneumatic cylinder; 304. Solenoid valve; 305. Fixing plate; 306. Second junction box; 307. Industrial control unit; 400. Loading / unloading transverse column; 401. Column body; 402. Horizontal groove; 403. Suction cup base; 404. Magnetic chuck; 405. First wire box; 500, Pocket assembly; 501, C-block; 5011, Block body; 5012, First connecting block; 5013, Second connecting block; 5014, Groove block; 502, Lead screw; 503, Slider; 504, Stepper motor; 505, First connecting rod; 506, Second connecting rod; 507, Third connecting rod; 508, Pocket plate; 600. Stacking plate holder; 601. Base body; 602. Base rail; 603. Base block; 604. Adjustment knob; 700. Iron core to be stacked. Detailed Implementation

[0022] To make the objectives, technical solutions, and advantages of this invention clearer, the invention will be further described in detail below with reference to embodiments. Of course, the specific embodiments described herein are merely illustrative and not intended to limit the invention.

[0023] Although the steps in this invention are arranged by reference numerals, this is not intended to limit the order of the steps. Unless the order of the steps is explicitly stated or the execution of a step requires other steps as a basis, the relative order of the steps can be adjusted. It is understood that the term "and / or" as used herein refers to and covers any and all possible combinations of one or more of the associated listed items.

[0024] Example like Figures 1-8 As shown, an automatic lamination device for transformer cores includes two slide rails 100, which are parallel to each other and fixed to the top of a support 200. Two parallel lamination shifting assemblies 300 are slidably connected to the slide rails 100. Linear motors 302 are fixedly connected to both ends of the crossbeam 301 of the lamination shifting assembly 300. The two linear motors 302 are slidably connected to the corresponding slide rails 100. A pneumatic cylinder 303 is fixedly connected to the crossbeam 301. A fixing plate 305 is fixedly connected to the piston rod extension end of the pneumatic cylinder 303. A lamination picking and placing crossbeam 400 is fixedly connected to the bottom of the fixing plate 305. The bottom of the lamination picking and placing crossbeam 400 has a magnetic chuck 404. A lamination stacking seat 600 is arranged below the area enclosed between the slide rails 100, and the lamination core 700 to be stacked is placed on the lamination stacking seat 600. Each of the pick-and-place transverse column 400 has a pocket assembly 500 fixedly connected to both ends. The C-shaped block 501 of the pocket assembly 500 is fixedly connected to the transverse groove 402. The side of the C-shaped block 501 facing away from the transverse groove 402 is rotatably connected to the lead screw 502. The stepper motor 504 is fixedly connected to the top of the C-shaped block 501. The lead screw 502 is driven by the stepper motor 504. The slider 503 is driven by the lead screw 502. When the slider 503 slides on the lead screw 502, the pocket plate 508 driven by the slider 503 moves in an arc.

[0025] This invention avoids scratching the bottom silicon steel sheets when the sharp ends of the silicon steel sheets droop and fall during stacking, thus improving the core performance and quality. Because linear motors are fixedly connected to both ends of the crossbeam 301 of the moving assembly 300, starting the linear motor 302 causes the moving assembly 300 to slide on the slide rail 100 until it slides above the silicon steel sheet stack. Then, the pneumatic cylinder 303, fixedly connected to the crossbeam 301, is activated, extending its piston rod and causing the sheet-collecting assembly 500 on the underside of the fixing plate 305 to face downwards. The process continues until the magnetic chuck 404 attracts the silicon steel sheets in the silicon steel sheet material pile, at which point the piston rod of the pneumatic cylinder 303 of the sheet-moving assembly 300 retracts. Then, the stepper motor 504 of the sheet-collecting assembly 500 is activated, causing the slider 503 on the lead screw 502 to move upwards, sequentially driving the movement and rotation of the first connecting rod 505, the second connecting rod 506, and the third connecting rod 507. This causes the collecting plate 508 to unfold in an arc, and the bottom surface of the collecting plate 508 pushes aside the sharp ends of the silicon steel sheets attracted to the magnetic chuck 404 until the collecting plate 508 unfolds to be flush with the horizontal plane, allowing the magnetic chuck to... The end of the silicon steel sheet on the suction cup 404 is caught on the catch plate 508; the linear motor 302 is started again, the sheet-shifting assembly 300 slides on the slide rail 100, and the sheet-shifting assembly 300 slides above the stacking seat 600. The pneumatic cylinder 303 is started, and the piston rod of the pneumatic cylinder 303 extends until the silicon steel sheet attracted by the magnetic suction cup 404 touches the iron core 700 to be stacked. The stepper motor 504 of the catch assembly 500 is started again, and the slider 503 and the first connecting rod 505 continue to move upward. Moreover, because the second connecting rod and the third connecting rod 507 form an obtuse angle, The horizontal chuck 508 can be further unfolded, allowing the chuck 508 to separate from the sharp end of the silicon steel sheet held by the magnetic chuck 404, so that the sharp end of the silicon steel sheet can fall smoothly onto the iron core 700 to be stacked; finally, the magnetic chuck 404 releases the silicon steel sheet, the piston rod of the pneumatic cylinder 303 retracts, the stepper motor 504 starts to reverse, driving the slider 503 on the lead screw 502 to move downward, further driving the chuck 508 to retract and reset, completing one stacking, avoiding the sharp end of the silicon steel sheet from scratching the bottom silicon steel sheet when it falls down during stacking.

[0026] It is worth noting that when the pocket plate 508 is unfolded to be consistent with the horizontal plane, the height of the pocket plate 508 is higher than the bottom surface of the magnetic chuck 404 at the bottom of the pick-up and put-down horizontal column 400.

[0027] Furthermore, the C-shaped block 501 includes a block body 5011, with a first connecting block 5012 and a second connecting block 5013 fixedly connected to both ends of the block body 5011. The lead screw 502 is rotatably connected between the first connecting block 5012 and the second connecting block 5013, and a stepper motor 504 is fixedly connected to the top of the first connecting block 5012.

[0028] In this invention, because the two slide rails 100 are parallel to each other and fixed on the top of the bracket 200, and two parallel sheet-moving assemblies 300 are slidably connected on the slide rails 100, and a sheet-picking and placing crossbar 400 perpendicular to the length direction of the slide rail 100 is fixedly connected to the lower part of the fixing plate 305 of one sheet-moving assembly 300, and three parallel sheet-picking and placing crossbars 400 consistent with the length direction of the slide rail 100 are fixedly connected to the lower part of the fixing plate 305 of the other sheet-moving assembly 300, a dual-station collaborative design is formed. The two independently controlled sheet-moving assemblies 300, together with the sheet-picking and placing crossbars 400 with different layouts, can efficiently sort and stack E-type sheets and I-type sheets, which can improve the stacking efficiency and accuracy of silicon steel sheets of different properties.

[0029] Furthermore, the pocket assembly 500 includes a first connecting rod 505, one end of which is rotatably connected to the slider 503, the other end of which is rotatably connected to one end of a second connecting rod 506, the other end of which is rotatably connected to a second connecting block 5013 and fixedly connected to one end of a third connecting rod 507, and the other end of which is fixedly connected to the pocket plate 508.

[0030] In this invention, after the magnetic chuck 404 attracts the silicon steel sheet, when the crossbeam 301 of the sheet-shifting assembly 300 slides along the length of the slide rail 100, the scoop plate 508 of the sheet-scooping assembly 500 scoops the sharp parts at both ends of the silicon steel sheet. The magnetic chuck 404 stably grips the sheet, and the scoop plate 508, which can make arc movements, scoops the sharp ends of the silicon steel sheet. This effectively prevents the sheet from deforming, slipping or scattering during transportation and placement, and improves the neatness of the stacked sheets.

[0031] Furthermore, a slanted groove is provided at the rotatable connection between the second connecting rod 506 and the second connecting block 5013, the second connecting block 5013 and the third connecting rod 507 form an obtuse angle, and the third connecting rod 507 is perpendicular to the pocket plate 508.

[0032] Furthermore, a pick-and-place horizontal column 400 perpendicular to the length direction of the slide rail 100 is fixedly connected to the lower part of the fixing plate 305 of one of the pick-and-place components 300, and three parallel pick-and-place horizontal columns 400 aligned with the length direction of the slide rail 100 are fixedly connected to the lower part of the fixing plate 305 of the other pick-and-place component 300. A horizontal groove 402 is formed on the column body 401 of the pick-and-place horizontal column 400, and multiple suction cup seats 403 are fixedly connected to the horizontal groove 402. A magnetic suction cup 404 is fixedly connected to the bottom of each suction cup seat 403. A slotted block 5014 is fixedly connected to the side of the block 5011 facing away from the lead screw 502, and the slotted block 5014 is fixedly connected to the horizontal groove 402.

[0033] Furthermore, the pick-and-place transverse column 400 includes a first junction box 405, which wraps around the side profile of the column body 401 and passes through each suction cup seat 403. The first junction box 405 is partially fixed to the fixing plate 305. A second junction box 306 and an industrial control unit 307 are fixedly connected to the fixing plate 305, and the second junction box 306 connects the first junction box 405 and the industrial control unit 307.

[0034] Furthermore, both the magnetic chuck 404 and the stepper motor 504 are electrically connected to the industrial control unit 307, and the wires connecting them are arranged sequentially in the first junction box 405 and the second junction box 306.

[0035] Furthermore, the plate shifting assembly 300 includes a solenoid valve 304, which is fixedly connected to the crossbeam 301, and the pneumatic cylinder 303 is electrically connected to the solenoid valve 304.

[0036] Furthermore, the stacking base 600 includes a base body 601, on which a base rail 602 is fixedly connected. The base rail 602 is cross-shaped, and four base blocks 603 are arranged circumferentially on the base rail 602. The base blocks 603 are slidably connected to the base rail 602. Adjustment knobs 604 are fixedly connected to the four ends of the base rail 602 away from the center. The adjustment knobs 604 and the corresponding base blocks 603 are connected by transmission rods housed inside the base rail 602.

[0037] In this invention, because the column 401 of the pick-and-place transverse column 400 has a transverse groove 402, each of the pick-and-place transverse column 400 has a piece-collecting assembly 500 fixedly connected to both ends. The C-shaped block 501 of the piece-collecting assembly 500 is fixedly connected to the transverse groove 402, and the fixed connection is adjustable along the transverse groove 402. The slot block 5014 of each piece-collecting assembly 500 is also fixedly connected to the transverse groove 402, and the fixed connection is also adjustable along the transverse groove 402. The fixing point of the suction cup seat 403 on the pick-and-place transverse column 400 can also be flexibly arranged in the transverse groove. The adjusting knob 604 on the stacking seat 600 and the corresponding seat block 603 are connected by a transmission rod housed inside the seat rail 602, so that the position of the seat block 603 on the stacking seat 600 is adjustable along the seat rail 602, which enhances the adaptability of the equipment to stacking iron cores of different specifications, and has high adaptability and adjustability.

[0038] A lamination processing method for an automatic lamination equipment for transformer cores includes the following steps: S101: Start the linear motor 302, and the wafer shifting assembly 300 slides on the slide rail 100 until the wafer shifting assembly 300 slides above the silicon steel sheet material pile; S102: The pneumatic cylinder 303 of the sheet-shifting assembly 300 is activated, the piston rod of the pneumatic cylinder 303 extends, and the sheet-collecting assembly 500 on the lower side of the fixed plate 305 moves downward until the magnetic chuck 404 attracts the silicon steel sheet in the silicon steel sheet material pile, and the piston rod of the pneumatic cylinder 303 of the sheet-shifting assembly 300 retracts. S103: The stepper motor 504 of the pocket assembly 500 is started, which drives the slider 503 on the lead screw 502 to move upward, further driving the pocket plate 508 to unfold in an arc. The bottom surface of the pocket plate 508 pushes open the end of the silicon steel sheet that is attracted to the magnetic chuck 404 until the pocket plate 508 unfolds to the horizontal, and the end of the silicon steel sheet on the magnetic chuck 404 is caught on the pocket plate 508. S104: Restart the linear motor 302, the sheet shifting assembly 300 slides on the slide rail 100, the sheet shifting assembly 300 slides above the stacking seat 600, the pneumatic cylinder 303 starts, the piston rod of the pneumatic cylinder 303 extends until the silicon steel sheet attracted by the magnetic chuck 404 touches the iron core 700 to be stacked. S105: The stepper motor 504 of the pocket assembly 500 starts again, driving the horizontal pocket plate 508 to unfold further, so that the pocket plate 508 separates from the end of the silicon steel sheet held by the magnetic chuck 404, and the sharp end of the silicon steel sheet can fall smoothly onto the iron core 700 to be stacked. S106: The magnetic chuck 404 releases the silicon steel sheet, the piston rod of the pneumatic cylinder 303 retracts, the stepper motor 504 starts and reverses, driving the slider 503 on the lead screw 502 to move downwards, further driving the pocket plate 508 to retract and reset, completing one stacking cycle.

[0039] The above description is only a preferred embodiment of the present invention. It should be noted that those skilled in the art can make several improvements and modifications without departing from the inventive concept of the present invention, and these all fall within the protection scope of the present invention.

Claims

1. An automatic lamination apparatus for a transformer core, characterized by, The system includes two slide rails (100), which are parallel to each other and fixed on the top of the bracket (200). Two parallel plate-shifting assemblies (300) are slidably connected to the slide rails (100). Linear motors (302) are fixedly connected to both ends of the crossbeam (301) of the plate-shifting assembly (300). The two linear motors (302) are slidably connected to the corresponding slide rails (100). A pneumatic cylinder (303) is fixedly connected to the crossbeam (301). A fixed plate (305) is fixedly connected to the piston rod extension end of the pneumatic cylinder (303). A plate-retrieving crossbeam (400) is fixedly connected to the bottom of the fixed plate (305). A magnetic chuck (404) is provided at the bottom of the plate-retrieving crossbeam (400). A plate-stacking seat (600) is arranged below the area enclosed between the slide rails (100). A plate-stacking iron core (700) to be stacked is placed on the plate-stacking seat (600). Each of the pick-and-place transverse column (400) is fixedly connected to a pocket assembly (500) at both ends. The C-shaped block (501) of the pocket assembly (500) is fixedly connected to the transverse groove (402). The side of the C-shaped block (501) facing away from the transverse groove (402) is rotatably connected to the lead screw (502). The stepper motor (504) is fixedly connected to the top of the C-shaped block (501). The lead screw (502) is driven by the stepper motor (504). The slider (503) is driven by the lead screw (502). When the slider (503) slides on the lead screw (502), the pocket plate (508) driven by the slider (503) presents an arc movement.

2. An automatic lamination apparatus for a transformer core according to claim 1, characterized in that, The C-shaped block (501) includes a block body (5011), with a first connecting block (5012) and a second connecting block (5013) fixedly connected to both ends of the block body (5011). The lead screw (502) is rotatably connected between the first connecting block (5012) and the second connecting block (5013). A stepper motor (504) is fixedly connected to the top of the first connecting block (5012).

3. An automatic lamination apparatus for a transformer core according to claim 2, wherein The pocket assembly (500) includes a first connecting rod (505), one end of which is rotatably connected to the slider (503), the other end of which is rotatably connected to one end of a second connecting rod (506), the other end of which is rotatably connected to a second connecting block (5013) and fixedly connected to one end of a third connecting rod (507), and the other end of which is fixedly connected to the pocket plate (508).

4. An automatic lamination apparatus for a transformer core according to claim 3, wherein A slanted groove is provided at the rotatable connection between the second connecting rod (506) and the second connecting block (5013). The second connecting block (5013) and the third connecting rod (507) form an obtuse angle. The third connecting rod (507) is perpendicular to the pocket plate (508).

5. An automatic lamination apparatus for a transformer core according to claim 2, wherein A pick-and-place crossbar (400) perpendicular to the length direction of the slide rail (100) is fixedly connected to the lower part of the fixing plate (305) of one of the pick-and-place components (300), and three pick-and-place crossbars (400) that are parallel to each other and consistent with the length direction of the slide rail (100) are fixedly connected to the lower part of the fixing plate (305) of the other pick-and-place component (300). A horizontal groove (402) is opened on the column (401) of the pick-and-place column (400). Multiple suction cup seats (403) are fixedly connected in the horizontal groove (402). A magnetic suction cup (404) is fixedly connected to the bottom of each suction cup seat (403). A slot block (5014) is fixedly connected to the side of the block (5011) facing away from the lead screw (502). The slot block (5014) is fixedly connected in the horizontal groove (402).

6. The automatic lamination equipment for transformer cores according to claim 1, characterized in that, The pick-and-place transverse column (400) includes a first wire box (405), which wraps around the side profile of the column (401) and passes through each suction cup seat (403). The first wire box (405) is partially fixed to the fixing plate (305). The second junction box (306) and the industrial control unit (307) are fixedly connected on the fixed plate (305). The second junction box (306) connects the first junction box (405) and the industrial control unit (307).

7. An automatic lamination device for transformer cores according to claim 6, characterized in that, The magnetic chuck (404) and the stepper motor (504) are both electrically connected to the industrial control unit (307), and the wires for electrical connection are arranged in the first junction box (405) and the second junction box (306) in sequence.

8. The automatic lamination equipment for transformer cores according to claim 1, characterized in that, The plate shifting assembly (300) includes a solenoid valve (304), which is fixedly connected to the crossbeam (301), and the pneumatic cylinder (303) is electrically connected to the solenoid valve (304).

9. An automatic lamination device for transformer cores according to claim 1, characterized in that, The stacking base (600) includes a base body (601), on which a base rail (602) is fixedly connected. The base rail (602) is cross-shaped, and four base blocks (603) are arranged circumferentially on the base rail (602). The base blocks (603) are slidably connected to the base rail (602). Adjustment knobs (604) are fixedly connected at the four ends of the base rail (602) away from the center. The adjustment knobs (604) and the corresponding base blocks (603) are connected by transmission rods housed inside the base rail (602).

10. A lamination processing method using an automatic lamination device for transformer cores as described in any one of claims 1 to 9, characterized in that, Includes the following steps: S101: Start the linear motor (302), and the wafer shifting assembly (300) slides on the slide rail (100) until the wafer shifting assembly (300) slides above the silicon steel sheet material pile; S102: The pneumatic cylinder (303) of the wafer shifting assembly (300) is activated, the piston rod of the pneumatic cylinder (303) extends, and the wafer hopper assembly (500) on the lower side of the fixed plate (305) moves downward until the magnetic chuck (404) attracts the silicon steel sheet in the silicon steel sheet material pile, and the piston rod of the pneumatic cylinder (303) of the wafer shifting assembly (300) retracts. S103: The stepper motor (504) of the pocket assembly (500) is started, which drives the slider (503) on the lead screw (502) to move upward, further driving the pocket plate (508) to unfold in an arc. The bottom surface of the pocket plate (508) pushes open the end of the silicon steel sheet that is attracted to the magnetic chuck (404) until the pocket plate (508) unfolds to the horizontal, and the end of the silicon steel sheet on the magnetic chuck (404) is caught on the pocket plate (508); S104: Restart the linear motor (302), the plate shifting assembly (300) slides on the slide rail (100), the plate shifting assembly (300) slides above the stacking seat (600), the pneumatic cylinder (303) starts, the piston rod of the pneumatic cylinder (303) extends until the silicon steel sheet attracted by the magnetic chuck (404) touches the iron core (700) to be stacked. S105: The stepper motor (504) of the pocket assembly (500) is started again, which drives the horizontal pocket plate (508) to unfold further, so that the pocket plate (508) separates from the end of the silicon steel sheet held by the magnetic chuck (404), and the sharp end of the silicon steel sheet can fall smoothly onto the iron core (700) to be stacked. S106: The magnetic chuck (404) releases the silicon steel sheet, the piston rod of the pneumatic cylinder (303) retracts, the stepper motor (504) starts to reverse, driving the slider (503) on the lead screw (502) to move downward, further driving the pocket plate (508) to retract and reset, completing one stacking.

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