A high-precision die-cutting and laminating device and automatic laminating method

Abstract

The present invention belongs to the technical field of die-cutting and laminating technology, and discloses a high-precision die-cutting and laminating device and an automatic laminating method. The device includes a mounting frame, wherein a plurality of unwinding rollers are rotatably mounted in the mounting frame, and two hot pressing rollers are rotatably mounted in the mounting frame. A reel is rotatably mounted in the mounting frame, and the material strips on the plurality of unwinding rollers are fed from below the reel to the hot pressing rollers after the circumferential outer walls of the reel overlap. The outer diameter of the reel exceeds three times the outer diameter of the hot pressing roller. Grooves distributed in an annular array are formed at both ends of the circumferential outer wall of the reel. The inner walls of the grooves are slidably connected to a limit member, and the limit member is connected to a spring 1 at a position facing the inside of the reel. The present invention pre-laminates the material strips with a reel having a larger outer diameter than the hot pressing roller, and cooperates with the limit member connected to the spring 1 to improve the accuracy and effectiveness of the material strip lamination, thereby improving the quality of the finished die-cutting and laminating product and improving the high precision of the finished product.

Description

Technical Field

[0001] The present invention relates to the technical field of die-cutting and laminating, and in particular to a high-precision die-cutting and laminating device and an automatic laminating method. Background Art

[0002] When the die-cutting machine is laminating the strips, it often performs roller lamination on multiple strips in sequence.

[0003] Referring to the Chinese patent publication number CN119820973A, a die-cutting material thermal bonding device is disclosed. The die-cutting material thermal bonding device includes a frame and a mounting frame arranged on the frame. The mounting frame is used to install a common pressing roller and a heated pressing roller. A plurality of brackets are provided on the frame. The brackets correspond one-to-one to the material strips entering between the common pressing roller and the heated pressing roller. The brackets are provided with abutting rollers for abutting the corresponding material strips. The brackets are slidably provided with squeezing rollers. The abutting rollers and the squeezing rollers are respectively located on opposite sides of the corresponding material strips. The brackets are provided with an elastic member for driving the squeezing rollers to slide toward the direction close to the corresponding abutting rollers.

[0004] However, during the hot pressing lamination process, the deviation of a single strip of material often affects the quality of the finished product after lamination, which in turn affects the die-cutting operation. Summary of the Invention

[0005] Based on the technical problems existing in the background technology, the present invention proposes a high-precision die-cutting and laminating device and an automatic laminating method.

[0006] The present invention proposes a high-precision die-cutting and laminating device, including a mounting frame, a plurality of feeding rollers rotatably arranged in the mounting frame, two hot pressing rollers rotatably arranged in the mounting frame, a reel rotatably arranged in the mounting frame, and the material strips on the plurality of feeding rollers are sent from the bottom of the reel to the hot pressing roller after overlapping on the outer wall of the reel. The outer diameter of the reel exceeds three times the outer diameter of the hot pressing roller. Grooves distributed in a circular array are provided at both ends of the outer wall of the reel. The inner wall of the groove is slidably connected to a limiting member. The position of the limiting member facing the inside of the reel is connected to spring 1, and a guide groove is provided at the end of the limiting member away from spring 1. The guide groove is located on one side of the limiting member close to the middle of the reel, and the depth of the guide groove gradually increases toward the middle of the reel.

[0007] Furthermore, a movable roller is rotatably provided directly below the reel, a pressing cylinder is rotatably provided in the middle position of the side of the reel away from the hot pressing roller, the outer diameter of the pressing cylinder is the same as the outer diameter of the reel, a fixed roller is provided outside the reel between the movable roller and the pressing cylinder, the end of the fixed roller is fixedly connected to the mounting frame, and the material strip passes through the pressing cylinder, the fixed roller and the movable roller in sequence.

[0008] Furthermore, a rotating tube is fixed at the center position of the reel, one end of the rotating tube is transmission-connected to a motor, connecting air boxes are installed at both ends of the outer wall of the rotating tube, a fixed tube is installed at a position corresponding to the outer wall of the connecting air box and the limit member, one end of the spring is fixedly connected to the fixed tube, and one end of the fixed tube is slidingly connected to a telescopic tube toward the limit member, and one end of the telescopic tube is fixed to the limit member.

[0009] Furthermore, a cavity is provided inside the limiting member, and an air hole is provided on the side of the limiting member close to the guide groove. The two ends of the telescopic tube are respectively connected to the limiting member and the fixed tube, the fixed tube is connected to the connecting air box, and a plurality of through holes connected to the connecting air box are provided on the outer wall of the rotating tube, and the end of the rotating tube away from the motor is connected to the intake pipe.

[0010] Furthermore, both ends of the fixed roller are provided with mounting grooves near the reel, in which magnetic blocks are fixed, and the mounting grooves are provided with grooves for passing through near the reel, so that the magnetic blocks are magnetically adsorbed to the ends of the limiting members.

[0011] Furthermore, both ends of the pressing cylinder are fixed with a cylinder shaft, the outer wall of the cylinder shaft is rotatably connected to a slide, a fixing groove is opened at the position of the outer wall of the mounting frame corresponding to the slide, a guide frame is installed in the fixing groove, the slide slides within the guide frame, and a spring 2 is connected between the end of the slide and the guide frame.

[0012] Furthermore, the guide frame is arranged at an angle, and the guide frame is inclined upward toward the direction close to the reel.

[0013] Furthermore, an adjustment component is provided below the unwinding roller, and the adjustment component is used to adjust the position of the material strip in the axial direction of the reel.

[0014] Furthermore, the adjustment component is provided with a limit frame fixed to the mounting frame, the limit frame is vertically penetrated, the material strip passes through the limit frame, and limit plates are provided on the inner walls at both ends of the limit frame, and a pressure sensor is connected between the limit plate and the limit frame.

[0015] Furthermore, positioning grooves are provided on both sides of the limit frame, and electric guide rails are installed in the positioning grooves. A connecting component is connected to the electric guide rail, and the connecting component and the material strip can be switched between fixed and loose. The electric guide rails are tilted, and the electric guide rails on both sides of the limit frame are tilted in opposite directions.

[0016] Furthermore, the electric guide rail is connected to a mounting plate, the connecting assembly is provided with an air duct fixed to the mounting plate, the air duct is connected to a solenoid valve, and one end of the air duct toward the material belt is connected to a suction cup, and the material belt is in sliding contact with the surface of the suction cup.

[0017] The present invention provides a high-precision die-cutting automatic laminating method, comprising the following steps:

[0018] Step 1: The material strip is sent out from the unwinding roller and overlaps with the winding roller. The overlapping material strip passes between the winding roller and the fixed roller, and between the winding roller and the moving roller, and then sent to the two hot pressing rollers for hot pressing operation;

[0019] Step 2: In step 1, the material strip fed by the unwinding roller passes through the limit frame, and the deviation state of the material strip is monitored by the pressure sensors and limit plates at both ends of the limit frame;

[0020] Step 3: The pressure sensor in the offset direction detects the offset. At this time, the electric guide rail tilted upward in the offset direction moves the connecting component toward the other end. The connecting component is adsorbed and fixed to the material strip to move the material strip toward the other end of the offset direction to correct the deviation.

[0021] Furthermore, the overlapped material strip moves around the outer wall of the reel. If the material strip deviates, the elastic force of spring 1 pushes the limit piece outward in the direction of deviation to cooperate with the guide groove to correct the deviation, and the limit piece on the other side of the deviation direction will extend outward under the action of magnetic attraction when it rotates to a position close to the fixed roller, and the corresponding air hole will extend out of the reel, so that the air hole extending out of the reel can absorb air to assist in correcting the deviation of the material strip.

[0022] The beneficial effects of the present invention are:

[0023] 1. In the present invention, the material strip is first overlapped on the circumferential outer wall of the reel and then rotated around the circumferential outer wall of the reel to pre-laminate and adjust the pre-laminated material strip by moving the circumferential outer wall of the large outer diameter. The material strip is pre-laminated by a reel with a larger outer diameter than the hot pressing roller, and a limiter connected to a spring is used to improve the accuracy and effectiveness of the material strip lamination, thereby improving the quality of the finished product of die-cutting and laminating and improving the high precision of the finished product.

[0024] 2. In the present invention, the effectiveness of the correction is improved by the contact extrusion correction of the limiter and the guided correction of the air hole, and wrinkles caused by the correction are effectively avoided, thereby further improving the accuracy of the fit and improving the quality of the finished product.

[0025] 3. In the present invention, the pressure sensor in the offset direction detects the offset, and the electric guide rail inclined upward in the offset direction moves the connecting component toward the other end, so as to move the material strip horizontally toward the other end of the offset direction for correction. The inclined setting of the electric guide rail can make the connecting component descend synchronously with the material strip over a short distance, thereby effectively reducing the wrinkles caused by the correction while correcting the deviation, thereby further improving the bonding effect. BRIEF DESCRIPTION OF THE DRAWINGS

[0026] Figure 1 This is a schematic diagram of the overall structure of a high-precision die-cutting and laminating device proposed by the present invention;

[0027] Figure 2 This is a schematic diagram of the distribution structure of the unwinding roller, winding drum and hot pressing roller of a high-precision die-cutting and laminating device proposed by the present invention;

[0028] Figure 3 This is a schematic diagram of the roll position structure of a high-precision die-cutting and laminating device proposed by the present invention;

[0029] Figure 4 This is a schematic diagram of the internal structure of a roll of a high-precision die-cutting and laminating device proposed by the present invention;

[0030] Figure 5 This is a schematic cross-sectional view of the connection air box of a high-precision die-cutting and laminating device proposed by the present invention;

[0031] Figure 6 This is a schematic diagram of the fixed tube position structure of a high-precision die-cutting and laminating device proposed by the present invention;

[0032] Figure 7 This is a schematic diagram of the structure of a limiting component of a high-precision die-cutting and laminating device proposed by the present invention;

[0033] Figure 8 This is a schematic diagram of the fixed roller structure of a high-precision die-cutting and laminating device proposed by the present invention;

[0034] Figure 9 This is a schematic diagram of the structure of the pressing cylinder position of a high-precision die-cutting and laminating device proposed by the present invention;

[0035] Figure 10 This is a schematic diagram of the structure of an adjustment component of a high-precision die-cutting and laminating device proposed by the present invention;

[0036] Figure 11 This is a schematic diagram of the air duct position structure of a high-precision die-cutting and laminating device proposed by the present invention.

[0037] In the figure: 1 mounting frame, 2 unwinding roller, 3 hot pressing roller, 4 reel, 5 pressing drum, 501 drum shaft, 6 fixed roller, 601 groove, 7 moving roller, 8 rotating tube, 801 through hole, 9 limiter, 901 air hole, 902 guide groove, 10 spring 1, 11 suction pipe, 12 connecting air box, 13 fixed pipe, 14 telescopic pipe, 15 magnetic block, 16 guide frame, 161 limit groove, 17 slide plate, 171 limit block, 18 spring 2, 19 adjustment assembly, 20 limit frame, 21 limit plate, 22 electric guide rail, 23 mounting plate, 24 air duct, 25 suction cup, 26 connecting groove. DETAILED DESCRIPTION

[0038] Example 1, with reference to Figure 1-9A high-precision die-cutting and laminating device includes a mounting frame 1, wherein a plurality of unloading rollers 2 are rotatably arranged in the mounting frame 1, and different material strips are wound on the plurality of unloading rollers 2, and two hot pressing rollers 3 are rotatably arranged in the mounting frame 1, and a plurality of material strips are hot-pressed and laminated between the two hot pressing rollers 3, and a reel 4 is rotatably arranged in the mounting frame 1, and the hot pressing roller 3 is located on one side below the reel 4, and the unloading roller 2 is located on one side above the reel 4 away from the hot pressing roller 3, and the material strips on the plurality of unloading rollers 2 are sent from the bottom of the reel 4 to the hot pressing roller 3 after the outer wall of the circumference of the reel 4 overlaps, and the outer diameter of the reel 4 exceeds three times the outer diameter of the hot pressing roller 3, and the two outer walls of the circumference of the reel 4 are The end positions are provided with through grooves distributed in a circular array, and the through grooves are distributed at both ends of the material strip. The inner wall of the through groove is slidably connected to the limit member 9, and the position of the limit member 9 facing the inside of the reel 4 is connected with a spring 10. The end of the limit member 9 away from the spring 10 is provided with a guide groove 902, and the guide groove 902 is located on the side position of the limit member 9 close to the middle of the reel 4. The depth of the guide groove 902 gradually increases towards the middle of the reel 4. In the process of bonding the material strips, after multiple unwinding rollers 2 release different material strips, the multiple material strips are contacted and overlapped on the outer wall of the reel 4 for pre-bonding, and then the overlapped material strips are sent from the bottom of the reel 4 to the two The hot pressing operation is performed in the middle of the hot pressing roller 3, and then it is sent out for winding or other processing operations; the reel 4 with an outer diameter much larger than the hot pressing roller 3 is set, so that the material strip is first overlapped on the circumferential outer wall of the reel 4 and rotated around the circumferential outer wall of the reel 4, so as to pre-fit and adjust the pre-fitted material strip by moving the circumferential outer wall of the large outer diameter. Under the action of the material strip's own torsional force, the material strip deviates and adjusts itself, avoiding the direct hot pressing after the hot pressing roller 3 positions are overlapped and affecting the quality of the finished product due to incomplete fitting; and a limiter 9 connected by a spring 10 is set at the two ends of the reel 4. If the material strip does not deviate after overlapping, the distribution at both ends The limiting members 9 are located at both ends of the material strips, so that the overlapping material strips can be limited by the limiting members 9 rotating with the reel 4. If the material strips are offset for a short distance after overlap, the offset position of the material strips will contact the guide groove 902 at the end of the corresponding limiting member 9, and the offset material strips will be pushed toward the other end of the reel 4 through the inclined setting of the guide groove 902, thereby improving the accuracy of the material strip overlap; thus, the material strips are pre-laminated by the reel 4, which has a larger outer diameter than the hot pressing roller 3, and the limiting members 9 connected with the spring 10 are used to improve the accuracy and effectiveness of the material strip lamination, thereby improving the quality of the finished product of die-cutting and laminating and improving the high precision of the finished product.

[0039] In the present invention, a movable roller 7 is rotatably provided just below the reel 4, and the end of the movable roller 7 is rotatably connected to the mounting frame 1. One end of the movable roller 7 is connected to the motor 2 for transmission. A pressing cylinder 5 is rotatably provided at the middle position of the reel 4 away from the hot pressing roller 3. The outer diameter of the pressing cylinder 5 is the same as that of the reel 4. One end of the pressing cylinder 5 is connected to the motor 3 for transmission. A fixed roller 6 is provided outside the reel 4 between the movable roller 7 and the pressing cylinder 5. The end of the fixed roller 6 is fixedly connected to the mounting frame 1. The material strip passes through the pressing cylinder 5, The fixed roller 6 and the movable roller 7 allow the material strip to naturally overlap between the large outer diameter reel 4 and the pressing roller 5, and then the friction between the fixed position fixed roller 6 and the material strip is used to assist in bonding, and then the rotating movable roller 7 is used to press the material strip and send it to the position of the hot pressing roller 3. The static and dynamic changing friction force of the fixed roller 6 and the movable roller 7 is combined with the bonding arrangement of the material strip and the outer wall of the large outer diameter reel 4 to press out the bubbles between the initially bonded material strips, thereby improving the effectiveness of the hot liquid bonding of the material strip and improving the quality of the finished product.

[0040] In the present invention, a rotating tube 8 is fixed at the center position of the reel 4. It should be noted that: a detachable tube cover is provided at both ends of the reel 4, the tube cover is fixed to the outer wall of the rotating tube 8, and the rotating tube 8 is coaxially arranged with the reel 4; the end of the outer wall of the rotating tube 8 is rotatably connected to the mounting frame 1, one end of the rotating tube 8 is transmission-connected to a motor 1, and both ends of the outer wall of the rotating tube 8 are installed with a connecting air box 12, and a fixed tube 13 is installed at the position of the outer wall of the connecting air box 12 corresponding to the limiter 9, and the end of the spring 10 away from the limiter 9 is fixed to the end of the fixed tube 13 The fixed connection is that the fixed tube 13 is slidably connected to one end of the limiter 9 with a telescopic tube 14, and the telescopic tube 14 is fixed between the end away from the fixed tube 13 and the limiter 9 to realize the fixed installation of the limiter 9 and the spring 10, and to ensure the effectiveness of the telescopic movement of the limiter 9. In the normal state, the end of the limiter 9 extends to the outside of the reel 4, and the edge position of the guide groove 902 protrudes from the outer wall of the reel 4 a little, and the distance that the edge position of the guide groove 902 protrudes from the reel 4 is less than the thickness of a single material strip, so as to ensure the limiting and adjustment effect of the material strip by the limiter 9.

[0041] In the present invention, a cavity is provided inside the limiting member 9, and an air hole 901 is provided on one side of the limiting member 9 near the guide groove 902, and the two ends of the telescopic tube 14 are respectively connected to the limiting member 9 and the fixed tube 13, and the fixed tube 13 is connected to the connecting air box 12. A plurality of through holes 801 connected to the connecting air box 12 are provided on the outer wall of the rotating tube 8, and the end of the rotating tube 8 away from the motor 1 is connected to the suction pipe 11. Both ends of the fixed roller 6 are provided with mounting grooves near the reel 4, and a magnetic block 15 is fixed in the mounting groove. A groove 601 with a through-groove is provided in the mounting groove near the reel 4, and the magnetic block 15 is magnetically adsorbed to the end of the limiting member 9. In a normal state, under the action of the spring 10, the end of the limiting member 9 protrudes from the outer wall of the reel 4, and the air hole 901 does not extend to the reel. 4, if the material strip deviates, the limiter 9 in the deviating direction may be squeezed into the reel 4, and the limiter 9 is pushed outward by the elastic force of the spring 10 to cooperate with the guide groove 902 to correct the deviation. When the limiter 9 on the other side of the deviating direction rotates to a position close to the fixed roller 6, it will extend outward under the action of the magnetic attraction, and the corresponding air hole 901 will extend out of the reel 4. Through the suction operation of the suction pipe 11 and the connection setting of various pipelines, the air hole 901 extending out of the reel 4 is sucked to assist in the correction operation of the material strip; thereby, the contact-type extrusion correction of the limiter 9 is combined with the guided correction of the air hole 901 to improve the effectiveness of the correction, and effectively avoid wrinkles caused by the correction, thereby further improving the accuracy of the fitting and improving the quality of the finished product.

[0042] In the present invention, both ends of the pressing cylinder 5 are fixed with a cylinder shaft 501 rotatably connected to the mounting frame 1, and the outer wall of the cylinder shaft 501 is rotatably connected to the slide 17. A fixing groove is provided at the position corresponding to the outer wall of the mounting frame 1 and the slide 17. A guide frame 16 is installed in the fixing groove, and the slide 17 slides in the guide frame 16. It should be noted that: the guide frame 16 is set to a rectangular frame structure, and the outer walls on both sides of the slide 17 are slidably connected to the inner walls on both sides of the guide frame 16. Limiting grooves 161 are provided on both sides of the guide frame 16, and limiting blocks 171 slidably connected to the limiting grooves 161 are fixed on both sides of the slide 17; the slide 17 A spring 2 18 is connected between the end and the guide frame 16, and a motor 3 is installed on one of the slides 17. The guide frame 16 is tilted, and the guide frame 16 is tilted upward toward the direction close to the reel 4. Through the setting of the spring 2 18, multiple material strips are pre-fitted at the overlapping position of the reel 4 and the pressing cylinder 5, and through the tilt setting of the guide frame 16, the pressing cylinder 5 can change the distance in the horizontal direction to adapt to material strips of different thicknesses. At the same time, the pressing cylinder 5 is movable in the horizontal and vertical directions. In the process of continuous fitting of multiple material strips, it can tilt and apply force to squeeze out the bubbles therein, thereby further improving the laminating effect.

[0043] A high-precision die-cutting and automatic laminating method, according to the above-mentioned high-precision die-cutting and laminating device, comprises the following steps:

[0044] Step 1: The material strip is fed out from the unwinding roller 2 and overlapped at the position of the reel 4 and the pressing roller 5. The overlapped material strip passes between the reel 4 and the fixed roller 6, and between the reel 4 and the movable roller 7, and then sent to the two hot pressing rollers 3 for hot pressing operation;

[0045] Step 2: In step 1, the material strip fed by the unwinding roller 2 passes through the limit frame 20, and the deviation state of the material strip is monitored by the pressure sensors at both ends of the limit frame 20 and the limit plates 21;

[0046] Step 3: The pressure sensor in the offset direction detects the offset. At this time, the electric guide rail 22 tilted upward in the offset direction moves the connecting component toward the other end. The connecting component and the material strip are adsorbed and fixed to move the material strip toward the other end of the offset direction to correct the deviation.

[0047] Example 2, reference Figure 1-11 , a high-precision die-cutting and laminating device, based on Example 1, an adjusting component 19 is provided under the unwinding roller 2, and the adjusting component 19 is used to adjust the position of the material strip in the axial direction of the reel 4, and the adjusting component 19 is provided with a limit frame 20 fixed to the mounting frame 1, and the limit frame 20 extends in the width direction of the material strip, and the limit frame 20 is vertically penetrated, and the material strip passes through the limit frame 20. Limit plates 21 are provided on the inner walls of both ends of the limit frame 20, and a pressure sensor is connected between the limit plate 21 and the limit frame 20. Under normal conditions, the material strip passes through the limit frame 20 and both ends of the material strip slide in contact with the limit plate 21. At this time, the pressure sensor monitoring value is zero or within a small range. When the corresponding material strip deviates, the limit plate 21 will be squeezed toward one end position, which will cause the monitoring value of the corresponding pressure sensor to exceed the threshold value, thereby accurately monitoring the deviation condition of the material strip.

[0048] In the present invention, positioning grooves are provided on both sides of the limit frame 20, and electric guide rails 22 are installed in the positioning grooves. A connecting component is connected to the electric guide rails 22, and the connecting component and the material strip can be switched between fixed and loose. The electric guide rails 22 are tilted, and the electric guide rails 22 on both sides of the limit frame 20 are tilted in opposite directions. When the material strip deviates toward one end, the pressure sensor in the offset direction detects the offset. At this time, the electric guide rail 22 tilted upward in the offset direction moves the connecting component toward the other end, so as to move the material strip horizontally toward the other end of the offset direction for correction. The tilted setting of the electric guide rail 22 can make the connecting component descend synchronously with the material strip over a short distance, thereby effectively reducing the wrinkles caused by the correction while correcting the deviation, thereby further improving the bonding effect.

[0049] In the present invention, a mounting plate 23 is connected to the electric guide rail 22, and a connecting component is provided with an air duct 24 fixed to the mounting plate 23. A solenoid valve is connected to the air duct 24, and a suction cup 25 is connected to one end of the air duct 24 facing the material belt. The material belt is in sliding contact with the surface of the suction cup 25. A connecting groove 26 is provided at a position corresponding to the air duct 24 on the side wall of the limit frame 20. The connecting groove 26 is arranged parallel to the extension direction of the electric guide rail 22. The air duct 24 is connected to an air suction pump. When the solenoid valve is turned on, negative pressure is generated at the position of the suction cup 25 and the material belt is adsorbed and fixed. When the solenoid valve is disconnected, the suction cup 25 only slides in contact with the material belt to achieve loosening, thereby realizing the switching operation of fixing and loosening between the connecting component and the material belt.

[0050] A high-precision die-cutting and automatic laminating method, according to the above-mentioned high-precision die-cutting and laminating device, comprises the following steps:

[0051] Step 1: The material strip is fed out from the unwinding roller 2 and overlapped at the position of the reel 4 and the pressing roller 5. The overlapped material strip passes between the reel 4 and the fixed roller 6, and between the reel 4 and the movable roller 7, and then sent to the two hot pressing rollers 3 for hot pressing operation;

[0052] Step 2: In step 1, the material strip fed by the unwinding roller 2 passes through the limit frame 20, and the deviation state of the material strip is monitored by the pressure sensors at both ends of the limit frame 20 and the limit plates 21;

[0053] Step 3: The pressure sensor in the offset direction detects the offset, and the electric guide rail 22 tilts upward in the offset direction and moves the connecting component toward the other end. The connecting component is fixed to the material strip by adsorption, so as to move the material strip toward the other end of the offset direction to correct the deviation;

[0054] Step 4: The overlapped material strip moves around the outer wall of the reel 4. If the material strip deviates, the elastic force of the spring 10 pushes the limiter 9 outward in the direction of deviation to cooperate with the guide groove 902 to correct the deviation. When the limiter 9 on the other side of the deviation direction rotates to a position close to the fixed roller 6, it will extend outward under the action of the magnetic force, and the corresponding air hole 901 will extend out of the reel 4, so that the air hole 901 extending out of the reel 4 can absorb air to assist in correcting the deviation of the material strip.

[0055] The above description is only a preferred specific embodiment of the present invention, but the scope of protection of the present invention is not limited thereto. Any technician familiar with the technical field, within the technical scope disclosed by the present invention, who makes equivalent replacements or changes based on the technical solution and inventive concept of the present invention, should be covered by the scope of protection of the present invention.

Claims

1. A high-precision die-cutting and laminating device, comprising a mounting frame (1), a plurality of unloading rollers (2) rotatably arranged in the mounting frame (1), and two hot pressing rollers (3) rotatably arranged in the mounting frame (1), characterized in that: A reel (4) is rotatably arranged in the mounting frame (1), and the material strips on the plurality of unwinding rollers (2) are fed from the bottom of the reel (4) to the hot pressing roller (3) after being overlapped on the circumferential outer wall of the reel (4). The outer diameter of the reel (4) is three times the outer diameter of the hot pressing roller (3). Grooves distributed in an annular array are provided at both ends of the circumferential outer wall of the reel (4), and the inner wall of the groove is slidably connected to a limiter (9). The limiter (9) is connected to a spring (10) at a position facing the inside of the reel (4), and a guide groove (902) is provided at one end of the limiter (9) away from the spring (10). The guide groove (902) is located on one side of the limiter (9) close to the middle of the reel (4), and the depth of the guide groove (902) gradually increases toward the middle of the reel (4); A movable roller (7) is provided for rotation directly below the reel (4), and a pressing roller (5) is provided for rotation at the middle position of the side of the reel (4) away from the hot pressing roller (3). The outer diameter of the pressing roller (5) is the same as the outer diameter of the reel (4). A fixed roller (6) is provided outside the reel (4) between the movable roller (7) and the pressing roller (5). The end of the fixed roller (6) is fixedly connected to the mounting frame (1). The material strip passes through the pressing roller (5), the fixed roller (6) and the movable roller (7) in sequence. The middle of the reel (4) A rotating tube (8) is fixed at the center position, one end of the rotating tube (8) is connected to a motor 1, and both ends of the outer wall of the rotating tube (8) are installed with a connecting air box (12), and a fixed tube (13) is installed at a position corresponding to the outer wall of the connecting air box (12) and the limiter (9). One end of the spring 1 (10) is fixedly connected to the fixed tube (13), and the fixed tube (13) is slidably connected to one end of the limiter (9) with a telescopic tube (14), and one end of the telescopic tube (14) is connected to the limiter. (9), a cavity is provided inside the limiting member (9), and an air hole (901) is provided on one side of the limiting member (9) close to the guide groove (902), the two ends of the telescopic tube (14) are respectively connected with the limiting member (9) and the fixed tube (13), the fixed tube (13) is connected with the connecting air box (12), the outer wall of the rotating tube (8) is provided with a plurality of through holes (801) connected with the connecting air box (12), and the end of the rotating tube (8) away from the motor is connected with The suction pipe (11) is configured such that, under normal conditions, the end of the limiting member (9) protrudes from the outer wall of the reel (4) under the action of the spring 1 (10), and the air hole (901) does not extend outside the reel (4). Both ends of the fixed roller (6) are provided with mounting grooves near the reel (4), and a magnetic block (15) is fixed in the mounting groove. A groove (601) provided through the mounting groove is provided near the reel (4), and the magnetic block (15) and the end of the limiting member (9) are magnetically attracted to each other.

2. A high-precision die-cutting and laminating device according to claim 1, characterized in that: Both ends of the pressing cylinder (5) are fixed with a cylinder shaft (501), and the outer wall of the cylinder shaft (501) is rotatably connected to a slide plate (17). A fixing groove is provided at a position corresponding to the outer wall of the mounting frame (1) and the slide plate (17). A guide frame (16) is installed in the fixing groove. The slide plate (17) slides in a limited position in the guide frame (16), and a spring (18) is connected between the end of the slide plate (17) and the guide frame (16).

3. A high-precision die-cutting and laminating device according to claim 2, characterized in that: The guide frame (16) is arranged obliquely, and the guide frame (16) is inclined upward in a direction close to the reel (4).

4. The high-precision die-cutting and laminating device according to claim 1, characterized in that: An adjustment component (19) is provided below the unwinding roller (2), and the adjustment component (19) is used to adjust the position of the material strip in the axial direction of the reel (4).

5. The high-precision die-cutting and laminating device according to claim 4, characterized in that: The adjustment component (19) is provided with a limit frame (20) fixed to the mounting frame (1), the limit frame (20) is vertically penetrated, the material strip passes through the limit frame (20), and the inner walls at both ends of the limit frame (20) are provided with limit plates (21), and a pressure sensor is connected between the limit plate (21) and the limit frame (20).

6. The high-precision die-cutting and laminating device according to claim 5, characterized in that: Both sides of the limit frame (20) are provided with positioning grooves, and electric guide rails (22) are installed in the positioning grooves. A connecting component is connected to the electric guide rail (22), and the connecting component and the material belt can be switched between fixed and loose. The electric guide rails (22) are tilted, and the electric guide rails (22) on both sides of the limit frame (20) are tilted in opposite directions.

7. The high-precision die-cutting and laminating device according to claim 6, characterized in that: The electric guide rail (22) is connected to a mounting plate (23), the connecting assembly is provided with an air duct (24) fixed to the mounting plate (23), the air duct (24) is connected to a solenoid valve, and the air duct (24) is connected to a suction cup (25) at one end facing the material belt, and the material belt is in sliding contact with the surface of the suction cup (25).

8. A high-precision die-cutting and automatic laminating method, according to the high-precision die-cutting and laminating device of claim 7, characterized in that: The following steps are involved: Step 1: The material strip is fed out from the unwinding roller (2) and overlapped at the position of the reel (4) and the pressing roller (5). The overlapped material strip passes between the reel (4) and the fixed roller (6), and between the reel (4) and the movable roller (7), and then is fed to between the two hot pressing rollers (3) for hot pressing operation; Step 2: In step 1, the material strip fed by the unwinding roller (2) passes through the limit frame (20), and the deviation state of the material strip is monitored by the pressure sensors at both ends of the limit frame (20) and the limit plate (21); Step 3: The pressure sensor in the offset direction detects the offset, and the electric guide rail (22) tilted upward in the offset direction moves the connecting component toward the other end. The connecting component is adsorbed and fixed to the material strip to move the material strip toward the other end of the offset direction for correction.

9. A high-precision die-cutting automatic laminating method according to claim 8, characterized in that: The overlapped material strip moves around the outer wall of the reel (4). If the material strip deviates, the elastic force of the spring 1 (10) pushes the limiting member (9) outward in the direction of deviation to cooperate with the guide groove (902) for correction. When the limiting member (9) on the other side of the deviation direction rotates to a position close to the fixed roller (6), it will extend outward under the action of the magnetic attraction, and the corresponding air hole (901) will extend out of the reel (4), so that the air hole (901) extending out of the reel (4) can absorb air to assist in the correction of the material strip.

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