Automatic cutting machine for magnetic material

Abstract

The present application relates to the technical fields of laser cutting of silicon steel sheet, and more particularly to an automatic cutting machine for magnetic material, comprising: a workbench with support frames installed on the top ends of the front and back sides and a laser cutting mechanism installed on the top of the workbench, a toothed plate one fixedly connected to the top of the inner side of the workbench, a flattening assembly one provided on the front and back sides of the toothed plate one to support and flatten the silicon steel sheet, a flattening assembly two provided on the top of the flattening assembly one to clamp and flatten the silicon steel sheet in multiple directions, and a clamping assembly provided on the inner side of the support frame. The present application can support and expand the silicon steel sheet from the bottom to the two sides of the silicon steel sheet before positioning the silicon steel sheet, thereby reducing the warping of the silicon steel sheet. The present application can pre-clamp the edges of the silicon steel sheet before positioning the silicon steel sheet and provide pulling in four directions to the edges of the silicon steel sheet, thereby flattening the silicon steel sheet, increasing the tension of the central cutting area of the silicon steel sheet, and improving the cutting precision of the laser cutting machine.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of laser cutting of silicon steel sheets, more particularly, it relates to an automatic cutting machine for magnetic materials. BACKGROUND

[0002] Laser cutting of silicon steel sheets is an advanced manufacturing process that uses high-energy density laser beams to accurately and efficiently cut silicon steel sheets (electrical steel). It is increasingly widely used in the manufacturing of cores for electrical equipment such as motors and transformers, and is gradually replacing or supplementing traditional punching and wire cutting processes.

[0003] The existing laser cutting machine usually holds the silicon steel sheet on a plurality of tooth plates when cutting the silicon steel sheet. The cut debris falls from the gap between the tooth plates during cutting. After cutting is completed, the cut silicon steel sheet is removed from the tooth plate. The laser cutting machine is provided with a flowing protective gas to prevent the cut debris and oxidized slag from contaminating the condenser lens in the cutting head. Due to the excessive pressure of the protective gas, the silicon steel sheet, as a soft magnetic material, will produce a certain fluctuation when blown by the protective gas, resulting in a decrease in the precision of laser cutting and a large amount of burrs in the cut, which greatly reduces the product quality. The existing laser cutting machine is provided with a clamping structure on both sides of the silicon steel sheet to improve the stability of the silicon steel sheet during cutting. A silicon steel sheet laser cutting device disclosed in Chinese Patent No. CN119347163A is provided with a plurality of air suction holes that can adsorb the silicon steel sheet at the bottom of the silicon steel sheet, further improving the overall stability of the silicon steel sheet during welding.

[0004] The above-mentioned silicon steel sheet laser cutting machine still has some problems when cutting the silicon steel sheet. After production, the silicon steel sheet is usually transported in the form of a silicon steel roll. After being cut and flattened, the laser cutting machine is used for cutting. However, the silicon steel sheet is a soft magnetic material and is prone to re-bending after being flattened. The existing laser cutting machine cannot flatten the silicon steel sheet before edge clamping positioning or multi-positioning adsorption positioning, resulting in a certain warping of the silicon steel sheet after being positioned, which greatly reduces the cutting precision. Moreover, neither edge clamping positioning nor bottom adsorption positioning provides a pulling force to the edge of the silicon steel sheet, resulting in a small tension in the center cutting area of the silicon steel sheet, which is still prone to fluctuation after being blown by the protective gas. SUMMARY

[0005] In order to solve the above technical problems, the application provides a kind of magnetic material automatic cutting machine, including: the workbench of the support frame of the top end of front and back two sides, the laser cutting mechanism of the top of workbench, fixedly connected with the inside top of workbench tooth plate one and the clamping assembly of the inside top of support frame, tooth plate one front and back two sides are provided with the flattening assembly one of two-way flattening of supporting silicon steel sheet bottom, the top of flattening assembly one is provided with flattening assembly two, flattening assembly one is used to drive flattening assembly two and silicon steel sheet is flattened in multiple directions.

[0006] Flattening assembly two includes slidingly connected to the top of workbench moving frame, fixedly connected to the top end of workbench limiting plate, the horizontal guide structure of setting in moving frame, the vertical guide structure of setting in the left and right two sides of workbench top, the connecting frame between horizontal guide structure and vertical guide structure, the pressing plate connected to the lower side of connecting frame through telescopic rod one and the one-way rolling structure installed in the inside bottom of pressing plate.

[0007] When moving frame moves to its edge on workbench, connecting frame moves down under the guidance of vertical guide structure, moving frame and one-way rolling structure clamp silicon steel sheet, while connecting frame reciprocates in the vertical direction of moving frame movement under the guidance of horizontal guide structure, connecting frame moves to the center of silicon steel sheet, one-way rolling structure operates, connecting frame moves to the edge of silicon steel sheet, and one-way rolling structure is locked.

[0008] Further, flattening assembly one includes electric push rod one fixedly connected to the top of workbench, sleeve ring fixedly connected to the telescopic end of electric push rod one, elastic lock catch arranged in the inside of sleeve ring, positioning wheel rotatably connected to the inside of sleeve ring, tooth plate two fixedly connected between positioning wheels, gear fixedly connected to the side of positioning wheel away from tooth plate two, and fixed frame fixedly connected to the inside top and side wall of workbench, and sleeve ring is fixedly connected with moving frame.

[0009] Further, the inside of sleeve ring is provided with a receiving groove, and the elastic lock catch includes spring sheet arranged in the inside of receiving groove and lock block slidingly connected to the inside of receiving groove.

[0010] Further, the outside of positioning wheel is provided with a lock groove, the spring sheet is used to generate a top extension force on the lock block, and the lock block is inserted into the lock groove, one side of the lock groove into which the lock block is inserted is a trapezoidal inclined surface, and the groove surface of the lock groove is also an inclined surface.

[0011] Further, the side of tooth plate two without teeth is made of magnetic material capable of adsorbing silicon steel sheet, and the magnetic material is used to adsorb the bottom of supporting silicon steel sheet and drive the silicon steel sheet to expand.

[0012] Further, the top of one end of fixed frame close to electric push rod one is a plane, and the other end is a tooth surface, the gear is slid to the top of teeth, is driven through the tooth surface, drives positioning wheel and tooth plate two to rotate 180°, and tooth plate two is turned over 180° and no longer adsorbs silicon steel sheet.

[0013] Further, the inside bottom of the moving frame is provided with a square chute one, the top of the moving frame is provided with a chute two, the limiting plate is provided with a wave-shaped guide groove one, the horizontal guide structure is a guide frame one, one end of the guide frame one is a square block connected with the chute one, the other end of the guide frame one is a cylindrical rod connected with the chute two and the guide groove one.

[0014] Further, the top of the two sides of the workbench is fixedly connected with a limiting cover, the inside of the limiting cover is slidably connected with a limiting frame, the side close to the tooth plate one of the limiting frame is provided with a square chute three, the side close to the tooth plate one of the limiting cover is provided with a guide groove two, the vertical guide structure is a guide frame two, one end of the guide frame two is a square block connected with the chute three, the other end of the guide frame two is a cylindrical rod connected with the guide groove two.

[0015] Further, the bottom of the connecting frame is fixedly connected with a connecting pipe sleeved with the outside of the cylindrical rod of the guide frame one, one side of the connecting frame is provided with a slot for sliding insertion of the cylindrical rod of the guide frame two.

[0016] Further, the one-way rolling structure comprises a sealing bin provided in the inside of the two ends of the pressing plate, a ratchet wheel rotatably connected to the inside of the sealing bin, an anti-skid roller fixedly connected between the ratchet wheels and a ratchet plate installed on the inside top of the sealing bin through the top telescopic rod two, the ratchet plate is engaged into the ratchet wheel, and when the anti-skid roller rolls to the edge direction of the workbench, the ratchet wheel is locked by the ratchet plate, and the anti-skid roller cannot rotate.

[0017] The beneficial effects of the present application are as follows: 1. The present application can support and unfold the silicon steel sheet from the bottom to the two sides before positioning the silicon steel sheet, reduce the warping of the silicon steel sheet, pre-clamp the edges of the silicon steel sheet before positioning the silicon steel sheet, and pull the silicon steel sheet in the left-right direction and the front-back direction, flatten the silicon steel sheet while increasing the tension of the center cutting area of the silicon steel sheet.

[0018] 2. The flattening assembly one can assist in flattening the silicon steel sheet after placing the silicon steel sheet, the side without teeth of the tooth plate two is made of a magnetic material capable of adsorbing the silicon steel sheet, the two tooth plate twos are supported and adsorbed at the bottom of the silicon steel sheet through the magnetic material part, and are respectively translated in the left and right directions, driving the silicon steel sheet to be preliminarily flattened, and the flattening assembly one also has the function of turning over the tooth plate two, so that the side with teeth of the tooth plate two is turned over upward again, preventing damage to the magnetic material part of the tooth plate two during laser cutting.

[0019] Thirdly, the flattening assembly two of the present application can support the flattened silicon steel sheet by the tooth plate two, and the pressing plate is guided by the horizontal guide structure and the vertical guide structure, and the silicon steel is clamped by the moving frame, and the silicon steel sheet is pulled in the left-right direction, because the guide groove one in the horizontal guide structure is wavy, so that the pressing plate moves in the left-right direction and reciprocates in the front-back direction at the same time, when the pressing plate moves in the front-back direction and moves to the edge of the silicon steel sheet, the anti-skid roller for clamping the silicon steel sheet in the one-way rolling structure is locked, so that the anti-skid roller cooperates with the moving frame to clamp the silicon steel sheet and pull it in the front-back direction, when the pressing plate moves in the front-back direction and moves to the opposite direction, in order to keep the original pulling force in the front-back direction, the anti-skid roller is unlocked and rolls on the top end of the silicon steel sheet, so that the silicon steel sheet is always pulled in the front-back direction, and the silicon steel sheet is pulled in the left-right direction and the front-back direction, and is completely flattened. BRIEF DESCRIPTION OF DRAWINGS

[0020] Figure 1 is a front perspective view of the magnetic material automatic cutting machine of the present application.

[0021] Figure 2 is a back perspective view of the magnetic material automatic cutting machine of the present application.

[0022] Figure 3 is a perspective view of the workbench of the present application.

[0023] Figure 4 is a partial structure sectional view of the workbench of the present application Figure 1 .

[0024] Figure 5 is a partial structure sectional view of the workbench of the present application Figure 2 .

[0025] Figure 6 is a partial structure sectional view of the flattening assembly one of the present application Figure 1 .

[0026] Figure 7 is an enlarged view of the A area in the present application Figure 6 .

[0027] Figure 8 is a partial structure sectional view of the flattening assembly one of the present application Figure 2 .

[0028] Figure 9 is a partial structure sectional view of the flattening assembly two of the present application Figure 1 .

[0029] Figure 10 is a partial structure sectional view of the connecting frame of the present application.

[0030] Figure 11Figure 7 is a partial structural cross-sectional view of a one-way rolling structure of the present application.

[0031] Figure 12 Figure 8 is a partial structural cross-sectional view of a clamping assembly of the present application.

[0032] Figure 13 Figure 9 is a partial structural cross-sectional view of a telescopic rod three of the present application.

[0033] In the figure: 1, workbench; 11, support frame; 12, insertion port; 13, discharge plate; 14, discharge port; 2, laser cutting mechanism; 21, longitudinal driving assembly; 22, transverse driving assembly; 23, vertical driving assembly; 24, laser cutting head; 3, toothed plate one; 4, flattening assembly one; 41, electric push rod one; 42, collar; 43, elastic lock catch; 44, positioning wheel; 45, toothed plate two; 46, gear wheel; 47, fixed frame; 431, storage groove; 432, spring sheet; 433, lock block; 434, lock groove; 5, flattening assembly two; 51, moving frame; 52, limiting plate; 53, horizontal guide structure; 54, vertical guide structure; 55, connecting frame; 56, telescopic rod one; 561, telescopic groove; 562, telescopic shaft one; 563, spring one; 57, pressing plate; 58, one-way rolling structure; 531, guide frame one; 532, sliding groove one; 533, sliding groove two; 534, guide groove one; 541, limiting cover; 542, limiting frame; 543, sliding groove three; 544, guide frame two; 545, guide groove two; 546, insertion slot; 581, sealing bin; 582, ratchet wheel; 583, anti-skid roller shaft; 584, telescopic rod two; 5841, telescopic tube one; 5842, telescopic shaft two; 5843, spring two; 585, ratchet plate; 6, clamping assembly; 61, electric push rod two; 62, lifting plate; 63, clamping frame; 64, telescopic rod three; 641, telescopic tube two; 642, telescopic shaft three; 643, spring three; 65, clamping plate; 7, silicon steel sheet. DETAILED DESCRIPTION

[0034] The subject matter described herein will now be discussed with reference to example implementations. It should be understood that the discussion of these implementations is intended to provide a better description of the subject matter described herein, and is not intended to make the subject matter described herein dependent on any particular implementation. Changes can be made in the function and arrangement of elements discussed without departing from the scope of the subject matter described herein. Various examples can omit, substitute, or add various procedures or components as appropriate. Also, it is appreciated that features described with respect to some examples can be combined in other examples. For the sake of brevity, common elements and features thereof will not be repeated.

[0035] Reference is made to Figure 1 , Figure 2 and Figure 3In this embodiment, a magnetic material automatic cutting machine is provided, comprising: a workbench 1 provided with a support frame 11 at the top end of the front and back sides and a laser cutting mechanism 2 installed on the top of the workbench 1, a toothed plate one 3 fixedly connected to the top inside of the workbench 1, a flattening assembly one 4 provided on the front and back sides of the toothed plate one 3 and used for supporting and flattening the silicon steel sheet 7, a flattening assembly two 5 provided on the top of the flattening assembly one 4 and used for clamping the multi-directional flattened silicon steel sheet 7, and a clamping assembly 6 provided inside the support frame 11. The flattening assembly one 4 can support and flatten the silicon steel sheet 7 from the bottom to the two sides of the silicon steel sheet 7, thereby reducing the bending of the silicon steel sheet 7. The flattening assembly two 5 can clamp the four corners of the silicon steel sheet 7 and pull the silicon steel sheet 7 in the front, back, left and right directions to completely flatten the silicon steel sheet 7 and provide tension for the center cutting area of the silicon steel sheet 7. After the flattening assembly one 4 and the flattening assembly two 5 are completed, the clamping assembly 6 clamps and positions the silicon steel sheet 7 and pulls the silicon steel sheet 7 to the two sides, thereby further improving the stability of the silicon steel sheet 7 and the tension of the silicon steel sheet 7.

[0036] In order to preliminarily support and flatten the warped silicon steel sheet 7, the flattening assembly one 4 is arranged on the two sides of the toothed plate one 3, as shown in Figure 1 、 Figure 2 、 Figure 3 、 Figure 6 and Figure 7 The flattening assembly one 4 comprises an electric push rod one 41 fixedly connected to the top of the workbench 1, a sleeve ring 42 fixedly connected to the telescopic end of the electric push rod one 41, an elastic lock catch 43 arranged inside the sleeve ring 42, a positioning wheel 44 rotatably connected to the inside of the sleeve ring 42 and locked by the elastic lock catch 43, a toothed plate two 45 fixedly connected between the positioning wheels 44, a gear 46 fixedly connected to the side of the positioning wheel 44 away from the toothed plate two 45, and a fixed frame 47 fixedly connected to the top inside and the side wall of the workbench 1.

[0037] The inside of the sleeve ring 42 is provided with a receiving groove 431, the elastic lock catch 43 comprises a spring sheet 432 arranged inside the receiving groove 431 and a lock block 433 slidingly connected to the inside of the receiving groove 431, and the outside of the positioning wheel 44 is provided with a lock groove 434. The spring sheet 432 is used to generate a top extension force on the lock block 433 and make the lock block 433 inserted into the lock groove 434. The side of the lock block 433 inserted into the lock groove 434 is a trapezoidal inclined surface, and the recessed surface of the lock groove 434 is also an inclined surface.

[0038] Specifically, when the sleeve ring 42 drives the positioning wheel 44 to move away from the toothed plate one 3, the lock block 433 is stably inserted into the lock groove 434 of the positioning wheel 44 under the top extension force of the spring sheet 432, preventing the positioning wheel 44 from rotating inside the sleeve ring 42. The positioning wheel 44 drives the toothed plate two 45 to support the silicon steel sheet 7 and flatten it to the two sides through the non-toothed side of the toothed plate two 45.

[0039] The non-toothed side of the second toothed plate 45 is made of a magnetic material that can adsorb the silicon steel sheet 7, which is used to adsorb the bottom of the supporting silicon steel sheet 7 and drive the silicon steel sheet 7 to unfold. The fixed frame 47 has a flat surface near the top of the one end of the electric push rod 41 and a toothed surface at the other end. The gear 46 slides to the top of the tooth and is driven by the toothed surface to rotate the positioning wheel 44 and the second toothed plate 45 by 180°. After the second toothed plate 45 is turned over by 180°, it no longer adsorbs the silicon steel sheet 7.

[0040] Specifically, when the second toothed plate 45 guides the silicon steel sheet 7 to unfold to both sides, the positioning wheel 44 is locked by the locking block 433 and cannot rotate. The gear 46 slides on the flat surface of the fixed frame 47. When the second toothed plate 45 completes its unfolding work, the gear 46 has moved to the toothed surface of the fixed frame 47. The gear 46 is driven by the toothed surface of the fixed frame 47 to cause the locking groove 434 of the positioning wheel 44 to compress the locking block 433 into the receiving groove 431 through the trapezoidal slope. The positioning wheel 44 and the gear 46 can rotate. The toothed surface of the fixed frame 47 can make the gear 46 rotate by 180°, i.e., the second toothed plate 45 will be turned over by 180° towards the edge of the silicon steel sheet 7, so that the toothed side of the second toothed plate 45 faces upwards, facilitating the falling of the cuttings, and after the second toothed plate 45 is turned over by 180°, the side made of a magnetic material will be away from the bottom end of the silicon steel sheet 7 and will no longer adsorb the silicon steel sheet 7, facilitating the subsequent unfolding assembly 5 to continue to unfold the silicon steel sheet 7.

[0041] At this time, the central area of the silicon steel sheet 7 has been preliminarily unfolded, but still lacks tension and needs to be pulled in multiple directions of the silicon steel sheet 7 to effectively improve the stable tension of the central cutting area of the silicon steel sheet 7. Referring to Figure 1 、 Figure 8 、 Figure 9 、 Figure 10 and Figure 11 , the unfolding assembly 5 includes a moving frame 51 slidingly connected to the top of the workbench 1, a limiting plate 52 fixedly connected to the top end of the workbench 1, a horizontal guide structure 53 arranged inside the moving frame 51, a vertical guide structure 54 arranged at the top of the left and right sides of the workbench 1, a connecting frame 55 arranged between the horizontal guide structure 53 and the vertical guide structure 54, a pressing plate 57 connected to the lower side of the connecting frame 55 through a telescopic rod 56, and a one-way rolling structure 58 installed on the inside bottom of the pressing plate 57.

[0042] The one-way rolling structure 58 comprises a sealing bin 581 opened in the inner part of both ends of the pressing plate 57, a ratchet wheel 582 rotatably connected to the inner side of the sealing bin 581, an anti-skid roller shaft 583 fixedly connected between the ratchet wheels 582, and a ratchet plate 585 installed on the top inner side of the sealing bin 581 through the top telescopic rod two 584. The ratchet plate 585 is engaged and clamped into the ratchet wheel 582. When the anti-skid roller shaft 583 rolls towards the edge of the workbench 1, the ratchet wheel 582 is locked by the ratchet plate 585, and the anti-skid roller shaft 583 cannot rotate. The locked anti-skid roller shaft 583 and the moving frame 51 can pull the silicon steel sheet 7 in the front and back directions after clamping the silicon steel sheet 7.

[0043] The inner bottom of the moving frame 51 is provided with a square sliding groove one 532, and the top of the moving frame 51 is provided with a sliding groove two 533. The limiting plate 52 is provided with a wave-shaped guide groove one 534. The horizontal guide structure 53 is a guide frame one 531. One end of the guide frame one 531 is a square block in sliding connection with the sliding groove one 532. The other end of the guide frame one 531 is a cylindrical rod in sliding connection with the sliding groove two 533 and the guide groove one 534. The limiting cover 541 is fixedly connected to the top of both sides of the workbench 1. The limiting frame 542 is in sliding connection with the inner side of the limiting cover 541. The limiting frame 542 is provided with a square sliding groove three 543 close to one side of the tooth plate one 3. The limiting cover 541 is provided with a guide groove two 545 close to one side of the tooth plate one 3. The vertical guide structure 54 is a guide frame two 544. One end of the guide frame two 544 is a square block in sliding connection with the sliding groove three 543. The other end of the guide frame two 544 is a cylindrical rod in sliding connection with the guide groove two 545. The connecting frame 55 is fixedly connected with a connecting pipe sleeved on the outer side of the cylindrical rod of the guide frame one 531 at the bottom end. The connecting frame 55 is provided with a slot 546 for the cylindrical rod of the guide frame two 544 to slide and insert.

[0044] It should be noted that the bending part in the guide groove one 534 and the guide groove two 545 will not cause the guide frame one 531 and the guide frame two 544 to be stuck when sliding due to the bending angle.

[0045] The telescopic rod one 56 comprises a telescopic groove 561 opened at the bottom end of the connecting frame 55, a telescopic shaft one 562 in sliding connection with the inner side of the telescopic groove 561, and a spring one 563 arranged on the inner side of the telescopic groove 561 for pressing down the telescopic shaft one 562. The bottom end of the telescopic shaft one 562 is fixedly connected with the top end of the pressing plate 57. The telescopic rod two 584 comprises a telescopic pipe one 5841 fixedly connected with the top end of the pressing plate 57, a telescopic shaft two 5842 in sliding connection with the inner side of the telescopic pipe one 5841 and fixedly connected with the top end of the ratchet plate 585, and a spring two 5843 arranged on the inner side of the telescopic pipe one 5841 for pressing down the telescopic shaft two 5842.

[0046] Specifically, when the electric push rod 41 pushes the sleeve ring 42 to move away from the gear plate 3, the moving frame 51 installed on the top of the sleeve ring 42 moves synchronously, the moving frame 51 slides outside the limiting plate 52, and the guide frame 1 531 moves away from the gear plate 3. Due to the influence of the wave-shaped guide groove 1 534 on the cylindrical rod of the guide frame 1 531, the guide frame 1 531 moves away from the edge of the workbench 1, and the connecting frame 55 moves outside the cylindrical rod of the guide frame 2 544, gradually moving the pressing plate 57 above the silicon steel sheet 7.

[0047] At the same time, the guide frame 2 544 is guided by the connecting frame 55 to slide in the guide groove 2 545, and the guide frame 2 544 is gradually lowered along the guide groove, so that the connecting frame 55 slides outside the cylindrical rod of the guide frame 1 531, and the pressing plate 57 is gradually lowered, so that the anti-skid roller 583 and the moving frame 51 clamp the top and bottom ends of the silicon steel sheet 7.

[0048] It should be noted that the moving frame 51 and the gear plate 2 45 move synchronously, and the gear plate 2 45 expands the silicon steel sheet 7 to both sides before the anti-skid roller 583 and the moving frame 51 clamp the silicon steel sheet 7. When the anti-skid roller 583 and the moving frame 51 clamp the silicon steel sheet 7, the gear plate 2 45 rotates by 45°, and the attraction of the magnetic material side of the gear plate 2 45 to the silicon steel sheet 7 decreases, and the silicon steel sheet 7 is gradually stabilized by the clamping force of the anti-skid roller 583 and the moving frame 51.

[0049] It should be noted that the spring 1 563 is adaptively set by a person skilled in the art according to multiple tests, so that the silicon steel sheet 7 can be stably clamped.

[0050] Specifically, since the rolling direction of the anti-skid roller 583 is perpendicular to the moving direction of the moving frame 51, as the connecting frame 55 is continuously pressed down, the spring 1 563 is compressed, so that the clamping force of the anti-skid roller 583 and the moving frame 51 to the silicon steel sheet 7 becomes larger and larger, and the silicon steel sheet 7 is stably clamped. The anti-skid roller 583 and the moving frame 51 can stably clamp the silicon steel sheet 7 to pull the silicon steel sheet 7 away from both sides of the gear plate 1 3, and flatten the silicon steel sheet 7. When the silicon steel sheet 7 is completely flattened, the anti-skid roller 583 and the moving frame 51 continue to pull the silicon steel sheet 7 by the friction of sliding, and provide tension to the silicon steel sheet 7.

[0051] It should be noted that the spring 2 843 is adaptively set by a person skilled in the art according to multiple tests, so that the ratchet plate 585 can stably block the ratchet wheel 582.

[0052] Specifically, since the guide groove one 534 is wavy, the guide frame one 531 drives the connecting frame 55 and the pressing plate 57 to reciprocate in the direction close to and away from the edge of the workbench 1. When the pressing plate 57 moves in the direction close to the edge of the workbench 1, the spring two 5843 presses the telescopic shaft two 5842 downward, so that the ratchet plate 585 clamps the column ratchet wheel 582, preventing the anti-skid roller 583 from rolling, so that the anti-skid roller 583 can still pull the silicon steel sheet 7 in the direction perpendicular to the moving direction of the moving frame 51 by sliding friction, providing multi-directional tension to the silicon steel sheet 7. When the pressing plate 57 moves in the direction away from the edge of the workbench 1, the ratchet wheel 582 can drive the ratchet plate 585 to compress the spring two 5843 to move upward, so that the anti-skid roller 583 can rotate. When the anti-skid roller 583 and the moving frame 51 pull the silicon steel sheet 7, it prevents the tension from decreasing. With the reciprocating movement of the pressing plate 57, the edge of the silicon steel sheet 7 perpendicular to the moving direction of the moving frame 51 increases in tension, so that the silicon steel sheet 7 can be pulled in multiple directions, and the tension is more uniform.

[0053] It should be noted that in the wavy guide groove one 534, the distance between the bending points of the waves and the workbench 1 is less than the distance between the starting point of the guide groove one 534 and the edge of the workbench 1. That is, when the pressing plate 57 reciprocates in this direction, the pressing plate 57 is always above the silicon steel sheet 7, so that the anti-skid roller 583 and the moving frame 51 can always clamp the silicon steel sheet 7.

[0054] When the electric push rod one 41 pushes the moving frame 51 to the preset location, the flattening assembly one 4 and the flattening assembly two 5 complete the flattening and multi-directional pulling of the silicon steel sheet 7, and the clamping assembly 6 can start to clamp and position the silicon steel sheet 7. Referring to Figure 11 and Figure 12 , the clamping assembly 6 includes an electric push rod two 61 fixedly installed on the inside top of the support frame 11, a lifting plate 62 fixedly connected to the bottom end of the electric push rod two 61, a clamping frame 63 arranged at the bottom end of the lifting plate 62, and a clamping plate 65 installed below the clamping frame 63 through a top telescopic rod three 64. The top end of the clamping frame 63 is fixedly connected with a sliding block slidingly connected with a limiting groove opened at the bottom of the lifting plate 62, and the left and right sides of the clamping frame 63 are fixedly connected with connecting shafts slidingly connected with guide grooves three opened at the left and right inner walls of the support frame 11. The lifting plate 62 moves downward, and the clamping frame 63 moves in the direction of the edge of the workbench 1 under the guidance of the sliding block and the connecting shaft.

[0055] Among them, the telescopic rod three 64 includes a telescopic tube two 641 fixedly connected to the bottom end of the clamping frame 63, a telescopic shaft three 642 slidingly connected to the inside of the telescopic tube two 641, and a spring three 643 arranged inside the telescopic tube two 641 for pressing the telescopic shaft three 642. The bottom end of the telescopic shaft three 642 is fixedly connected with the top end of the clamping plate 65.

[0056] It should be noted that the spring three 643 spring size by the skilled person in the art, according to the multiple trial adaptive settings.

[0057] Specifically, when the electric push rod one 41 is pushed to the preset location, the electric push rod two 61 is started, so that the electric push rod two 61 pushes the lifting plate 62 to move down, and the clamping frame 63 moves down in the process, the connecting shaft at both ends is guided by the guide groove three, so that the guide frame moves to the edge of the workbench 1, the slider slides in the limiting groove, and the clamping plate 65 gradually contacts the silicon steel sheet 7, so that the telescopic shaft three 642 compresses the spring three 643, so that the clamping plate 65 further pulls the silicon steel sheet 7 by the sliding friction of the clamping plate 65 before the silicon steel sheet 7 is completely locked, and the tension of the silicon steel sheet 7 is improved. When the connecting shaft is completely moved down to the bottom end of the guide groove, the storage tube three, the clamping plate 65 and the silicon steel sheet 7 are tightly compacted, so that the silicon steel sheet 7 is completely clamped and fixed. Then the laser cutting can be started.

[0058] Referring to Figure 1 、 Figure 2 and Figure 3 , the support frame 11 at the top of the front side of the workbench 1 is provided with an insertion port 12 for inserting the silicon steel sheet, and the inner side of the workbench 1 is fixedly connected with an inclined discharge plate 13, and the rear side of the workbench 1 is provided with a discharge port 14 communicating with the discharge plate 13.

[0059] The laser cutting mechanism 2 comprises a longitudinal driving assembly 21 installed on the left and right sides of the workbench, a transverse driving assembly 22 installed on the top end of the longitudinal moving part of the longitudinal driving assembly 21, a vertical driving assembly 23 installed on the top end of the transverse moving part of the transverse driving assembly 22, and a laser cutting head 24 installed on the bottom end of the vertical moving part of the vertical driving assembly 23.

[0060] The whole use process is: the silicon steel sheet 7 is inserted into the top of the workbench 1 through the insertion port 12 at the front side of the workbench 1, and when the silicon steel sheet 7 contacts the support frame 11 at the rear side of the workbench, the silicon steel sheet 7 has been completely inserted.

[0061] At this time, the bottom of the silicon steel sheet 7 has been stably adsorbed by the magnetic material part of the tooth plate two 45, the electric push rod one 41 is started, the electric push rod one 41 drives the tooth plate two 45 to move in the forward and backward directions, and the adsorbed support silicon steel sheet is preliminarily flattened in the forward and backward directions. When the tooth plate two 45 completes the adsorption flattening work, the gear 46 is rotated by the tooth surface of the top of the fixed frame 47, so that the tooth plate two 45 is turned over by 180°, contacts the adsorption of the silicon steel sheet 7, and the tooth surface of the tooth plate two 45 is upward, preventing the laser from causing damage to the magnetic material part during cutting.

[0062] When the electric push rod one 41 pushes the tooth plate two 45 to move, the moving frame 51 in contact with the electric push rod one 41 through the sleeve ring 42 moves synchronously, the connecting frame 55 gradually moves down under the guidance of the vertical guide structure 54, when the tooth plate two 45 is turned over to 45°, the anti-skid roller 583 and the moving frame 51 have clamped the silicon steel sheet 7, the connecting frame 55 moves in a wave shape under the guidance of the horizontal guide structure 53, and can pull the silicon steel sheet back and forth, at the same time, the anti-skid roller 583 is locked when moving to the left and right edges of the silicon steel sheet 7, and can clamp the silicon steel sheet 7 to pull it in the left and right directions, the anti-skid roller 583 is unlocked when moving to the center position of the silicon steel sheet 7, and the anti-skid roller 583 rolls to prevent the pulled silicon steel sheet from retracting, when the moving frame 51 moves to the one end of the guide groove one 534 close to the support frame 11, the silicon steel sheet 7 has completed the preliminary clamping and sufficient flattening.

[0063] Then the electric push rod two 61 is started, and the silicon steel sheet 7 is stably clamped and fixed through the workbench 1 and the clamping plate 65.

[0064] After positioning, the laser cutting head 24 is regulated and controlled through the longitudinal driving assembly 21, the transverse driving assembly 22 and the vertical driving assembly 23 to start cutting the silicon steel sheet 7, and the cut-out fragments fall into the discharge plate 13 through the gap between the tooth plate one 3 and the tooth plate two 45 and are discharged through the discharge port 14.

[0065] After cutting, the electric push rod two 61 and the electric push rod one 41 are synchronously retracted, the clamping plate 65 is raised and reset, the tooth plate two 45 is turned over and reset, the connecting frame 55 is also moved and reset, and the anti-skid roller 583 moves away from the silicon steel sheet 7, at this time, the cut-out silicon steel sheet 7 is taken out from the insertion port. The next cutting operation can be carried out by reinserting the silicon steel sheet 7.

[0066] In the description of the present application, it should be understood that the orientations or positional relationships indicated by the terms “center”, “longitudinal”, “transverse”, “length”, “width”, “thickness”, “upper”, “lower”, “front”, “rear”, “left”, “vertical”, “horizontal”, “top”, “bottom”, “inner”, “outer”, “clockwise”, “counterclockwise”, “axial”, “radial”, “circumferential” and the like are based on the orientations or positional relationships shown in the drawings, and are only for the convenience of describing the present application and simplifying the description, and therefore cannot be understood as indicating or implying that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the present application.

[0067] In addition, the terms "first", "second", "one", "two" are only used for descriptive purposes and are not to be construed as indicating or implying relative importance or an indicated number of technical features. Therefore, the features defined with "first", "second", "one", "two" can explicitly or implicitly include at least one of the features. In the description of the present application, the meaning of "a plurality of" is at least two, for example, two, three, etc., unless otherwise explicitly specified and limited.

[0068] In the present application, unless otherwise explicitly specified and limited, the terms "mounting", "connecting", "connecting", "fixing" and other terms should be understood broadly, for example, it can be fixedly connected, or it can be detachably connected, or it can be integrated; it can be mechanically connected, or it can be electrically connected; it can be directly connected, or it can be indirectly connected through an intermediate medium; it can be the internal communication of two elements or the interaction relationship between two elements, unless otherwise explicitly limited. For those skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.

[0069] The embodiments of the specific implementation are the preferred embodiments of the present application, and are not limited to the protection scope of the present application. Therefore, any equivalent changes made according to the structure, shape, principle of the present application should be covered within the protection scope of the present application.

Claims

1. An automatic magnetic material cutting machine comprising: The workbench with support frames is installed on the front and back top ends, the laser cutting mechanism is installed on the top of the workbench, the clamping assembly is fixedly connected to the top inside of the workbench, and the tooth plate one is installed on the top inside of the support frame. The flattening assembly one is arranged on the front and back sides of the tooth plate one and is used for flattening the silicon steel sheet in two directions. The flattening assembly two is arranged on the top of the flattening assembly one and is used for flattening the silicon steel sheet in multiple directions. The flattening assembly two comprises a moving frame slidably connected to the top of the workbench, a limiting plate fixedly connected to the top end of the workbench, a horizontal guide structure arranged in the moving frame, a vertical guide structure arranged on the left and right sides of the workbench, a connecting frame arranged between the horizontal guide structure and the vertical guide structure, a pressing plate connected to the lower side of the connecting frame through an extension rod, and a one-way rolling structure arranged on the inside bottom of the pressing plate.

2. The automatic magnetic material cutting machine according to claim 1, characterized in that: When the moving frame moves to the edge of the workbench, the connecting frame moves downward under the guidance of the vertical guide structure, the moving frame and the one-way rolling structure clamp the silicon steel sheet, the connecting frame moves back and forth in the vertical direction of the moving frame under the guidance of the horizontal guide structure, the connecting frame moves to the center of the silicon steel sheet, the one-way rolling structure operates, the connecting frame moves to the edge of the silicon steel sheet, and the one-way rolling structure is locked.

3. The automatic magnetic material cutting machine according to claim 1, characterized in that: The flattening assembly one comprises an electric push rod one fixedly connected to the top of the workbench, a sleeve ring fixedly connected to the extension end of the electric push rod one, an elastic lock catch arranged on the inside of the sleeve ring, a positioning wheel rotatably connected to the inside of the sleeve ring, a tooth plate two fixedly connected between the positioning wheels, a gear fixedly connected to the side away from the tooth plate two of the positioning wheel, and a fixing frame fixedly connected to the inside top and the side wall of the workbench.

4. The automatic magnetic material cutting machine according to claim 1, characterized in that: The inside of the sleeve ring is provided with a receiving groove, the elastic lock catch comprises a spring sheet arranged on the inside of the receiving groove and a lock block slidably connected to the inside of the receiving groove.

5. The automatic magnetic material cutting machine according to claim 4, characterized in that: The outside of the positioning wheel is provided with a lock groove, the spring sheet is used for generating a top extension force on the lock block and making the lock block enter the lock groove, the side into which the lock block is inserted is a trapezoidal inclined surface, and the groove surface of the lock groove is also an inclined surface.

6. The automatic magnetic material cutting machine according to claim 1, characterized in that: The side of the tooth plate two without teeth is made of a magnetic material capable of adsorbing the silicon steel sheet, the magnetic material is used for adsorbing the bottom of the silicon steel sheet and driving the silicon steel sheet to expand.

7. The automatic magnetic material cutting machine according to claim 6, characterized in that: The top of the fixing frame near the one end of the electric push rod one is a plane, and the other end is a tooth surface, the gear is slid to the top end of the teeth, is driven through the tooth surface, drives the positioning wheel and the tooth plate two to rotate by 180°, and the tooth plate two is no longer adsorbed after being turned over by 180°. The inside bottom of the moving frame is provided with a square sliding groove one, the top of the moving frame is provided with a sliding groove two, the limiting plate is provided with a wave-shaped guide groove one, the horizontal guide structure is a guide frame one, one end of the guide frame one is a square block slidably connected with the sliding groove one, and the other end of the guide frame one is a cylindrical rod slidably connected with the sliding groove two and the guide groove one. The top ends of the two sides of the workbench are fixedly connected with limiting covers, the inside of the limiting cover is slidably connected with a limiting frame, the side of the limiting frame near the tooth plate one is provided with a square sliding groove three, and the side of the limiting cover near the tooth plate one is provided with a guide groove two. The vertical guide structure is a guide frame two, one end of the guide frame two is a square block slidably connected with the sliding groove three, and the other end of the guide frame two is a cylindrical rod slidably connected with the guide groove two.

8. The automatic magnetic material cutting machine according to claim 7, characterized in that: The bottom end of the connecting frame is fixedly connected with a connecting pipe sleeved outside the cylindrical rod of the guide frame one, and a slot is formed in one side of the connecting frame for sliding insertion of the cylindrical rod of the guide frame two.

9. The automatic magnetic material cutting machine according to claim 1, characterized in that: The one-way rolling structure comprises a sealing bin formed in the interior of both ends of the pressing plate, a ratchet wheel rotatably connected to the interior of the sealing bin, an anti-skid roller shaft fixedly connected between the ratchet wheels, and a ratchet plate installed on the top of the interior of the sealing bin through the top telescopic rod two, the ratchet plate is engaged and clamped into the ratchet wheel, when the anti-skid roller shaft rolls towards the edge direction of the workbench, the ratchet wheel is locked by the ratchet plate, and the anti-skid roller shaft cannot rotate.

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