Ultra-wide and ultra-precise multi-width slitting device and method thereof

Abstract

The invention discloses an ultra-wide and ultra-precise multi-width slitting device and method, and belongs to the technical field of coiled material slitting. The ultra-wide and ultra-precise multi-width slitting device comprises an upper cutter type slitting underframe and a lower cutter type slitting underframe which are oppositely arranged in parallel; a plurality of slitting tool assemblies are arranged between the upper cutter type slitting bottom frame and the lower cutter type slitting bottom frame, the width of the slitting tool assemblies can be adjusted in the transverse direction of gaps of the bottom frames, and the slitting tool assemblies conduct longitudinal multi-column slitting and can be converted in the retractable state. According to the ultra-wide and ultra-precise multi-width slitting device provided by the technical scheme, the slitting width can be rapidly adjusted, the multi-width requirement can be met, the device is more convenient to disassemble, assemble and maintain due to the reasonable structural design, the functions of side pressure adjustment, cutter angle adjustment, adhesive residue cleaning and the like are integrated, and the slitting precision, the cutting effect and cleanliness of the device in the slitting process are improved.

Description

Technical Field

[0001] The invention belongs to the technical field of coiled material slitting equipment, and in particular relates to an ultra-wide, ultra-precision, multi-width slitting device and a method thereof. Background Art

[0002] In the field of slitting equipment technology for roll-to-roll film, traditional slitting devices usually have the following problems: since the pressure measurement of the slitting tool is usually separate and independent, it is difficult to ensure the pressure adjustment accuracy, which affects the slitting effect; the angle of the slitting tool cannot be adjusted during the slitting process, which limits the optimization of the slitting effect; the large amount of residual glue generated during the slitting process is usually handled by simple wiping, which has limited effect, resulting in difficult equipment maintenance and a dirty working environment; integrating multiple functional modules in a small space makes equipment maintenance and operation inconvenient. Summary of the invention

[0003] The purpose of the present invention is to overcome the shortcomings of the prior art and provide an ultra-wide and ultra-precision multi-width slitting device and method thereof, which can quickly adjust the slitting width to meet various width requirements. The reasonable structural design makes the device disassembly and maintenance more convenient, and integrates functions such as adjusting the side pressure, adjusting the tool angle, and cleaning the residual glue, thereby improving the slitting accuracy, incision effect and cleaning of the device slitting process.

[0004] To achieve the above object, the present invention is implemented by adopting the following technical solutions: In the first aspect, the present invention provides an ultra-wide and ultra-precision multi-width slitting device, comprising an upper knife-type slitting frame and a lower knife-type slitting frame arranged in parallel and opposite to each other, and a plurality of slitting tool assemblies are arranged between the upper knife-type slitting frame and the lower knife-type slitting frame, which can adjust the width laterally along the gap of the frame, cut in multiple columns longitudinally, and can change the state of retractability.

[0005] Further, the slitting tool assembly includes an upper knife assembly and a lower knife assembly; The upper knife type slitting chassis is provided with at least two upper knife assemblies which can be moved laterally to adjust the width, and the lower knife type slitting chassis is provided with at least two lower knife assemblies which can be moved laterally to adjust the width.

[0006] Furthermore, the upper knife assembly includes a knife group cylinder, a side pressure adjustment mechanism, a servo motor, a motor fixing seat, a slitting knife guard, a slitting blade, a residual glue wiping mechanism and a residual glue foreign body suction mechanism; The output shaft of the knife group cylinder is connected to the motor fixing seat through the side pressure adjustment mechanism, the servo motor is fixed on the motor fixing seat and a slitting blade is installed on the output shaft, the slitting knife guard is fixedly installed on the motor fixing seat, the cover is arranged on the slitting blade, and ensures that at least a part of the slitting blade is exposed from the slitting knife guard, the residual glue wiping mechanism and the residual glue foreign body suction mechanism are respectively arranged on the upper and lower sides of the slitting knife guard and are connected to the slitting blade in the slitting knife guard, and are used for wiping and sucking the residual glue left over from cutting.

[0007] Furthermore, the upper knife-type slitting chassis includes a supporting square tube, a linear guide rail, a long pallet, a strip drag chain, a connecting plate and a driving and moving mechanism; The driving mechanism is reciprocatingly arranged on the linear guide rail, and the linear guide rail is arranged on the top surface of the supporting square tube and extends laterally along the gap of the chassis. The side of the supporting square tube away from the gap of the chassis is provided with at least one long tray parallel to the linear guide rail, and the strip drag chain is arranged on the long tray, and the two ends of the strip drag chain are respectively connected to the driving mechanism through a connecting plate.

[0008] Furthermore, the driving and moving mechanism includes a moving base, a driving cylinder and a driving motor; The movable base can be reciprocatingly slidably arranged on the linear guide rail, the driving motor is fixedly arranged on the movable base, and the output shaft of the driving motor is meshed with a rack arranged laterally on the side of the supporting square tube away from the gap of the chassis through a gear roller, and the output shaft of the driving cylinder is detachably connected to the knife group cylinder of the upper knife assembly through a connecting block, and is telescoped toward the lower knife-type slitting chassis perpendicular to the gap of the chassis.

[0009] Furthermore, the lower knife assembly includes a knife group cylinder, a side pressure adjustment mechanism, a servo motor, a motor fixing seat, a slitting knife guard, a slitting blade, a residual glue wiping mechanism and a residual glue foreign body suction mechanism; The output shaft of the knife group cylinder is connected to the motor fixing seat through the side pressure adjustment mechanism, the servo motor is fixed on the motor fixing seat and a slitting blade is installed on the output shaft, the slitting knife guard is fixedly installed on the motor fixing seat, the cover is arranged on the slitting blade, and ensures that at least a part of the slitting blade is exposed from the slitting knife guard, the residual glue wiping mechanism and the residual glue foreign body suction mechanism are respectively arranged on the upper and lower sides of the slitting knife guard and are connected to the slitting blade in the slitting knife guard, and are used for wiping and sucking the residual glue left over from cutting.

[0010] Furthermore, the lower knife-type slitting chassis includes a supporting square tube, a linear guide rail, a long pallet, a strip drag chain, a connecting plate and a driving and moving mechanism; The driving mechanism is reciprocatingly arranged on the linear guide rail, and the linear guide rail is arranged on the top surface of the supporting square tube and extends laterally along the gap of the chassis. The side of the supporting square tube away from the gap of the chassis is provided with at least one long tray parallel to the linear guide rail, and the strip drag chain is arranged on the long tray, and the two ends of the strip drag chain are respectively connected to the driving mechanism through a connecting plate.

[0011] Furthermore, the driving and moving mechanism includes a moving base, a driving cylinder and a driving motor; The movable base can be reciprocatingly slidably arranged on the linear guide rail, the driving motor is fixedly arranged on the movable base, and the output shaft of the driving motor is meshed with a rack arranged laterally on the side of the supporting square tube away from the gap of the chassis through a gear roller, and the output shaft of the driving cylinder is detachably connected to the knife group cylinder of the lower knife assembly through a connecting block, and is telescoped toward the upper knife type slitting chassis perpendicular to the gap of the chassis.

[0012] Furthermore, the upper knife type slitting chassis is provided with four upper knife assemblies which can be moved laterally to adjust the width, and the lower knife type slitting chassis is provided with four lower knife assemblies which can be moved laterally to adjust the width; the side of the supporting square tube away from the chassis gap is provided with two long trays parallel to the linear guide rail.

[0013] In a second aspect, the present invention provides a slitting control method of an ultra-wide ultra-precision multi-wide slitting device as described in any one of the first aspects, comprising the following steps: Step S1: Determine the film width required for slitting the film roll to be slit according to production requirements or order specifications; Step S2: installing the upper knife assembly and the lower knife assembly on the upper knife slitting chassis and the lower knife slitting chassis onto the corresponding movable base, using the driving motor and the gear roller in the driving moving mechanism of the lateral movement adjustment mechanism to move each slitting tool assembly along the rack and the linear guide until the slitting width required by the film width is reached, locking the position of the slitting tool assembly to ensure that no deviation occurs during the slitting process; Step S3: According to the thickness and material of the film, the telescopic length of the knife group cylinder and the driving cylinder is adjusted to make each upper and lower knife assembly extend to a suitable position in the gap of the chassis, and the side pressure adjustment mechanism is used to adjust to determine the appropriate side pressure and the appropriate tool angle; after the side pressure and angle are adjusted, the output shaft of the cylinder can stably push the slitting blade to ensure the uniformity and accuracy of slitting; Step S4: Perform trial slitting of the film coil, check the slitting effect, and adjust the side pressure and the angle of the cutter; Step S5: Use the fine-tuning knob of the knife group cylinder to fine-tune the extension amount of the slitting blade, and slowly adjust the fine-tuning knob in combination with the side pressure adjustment mechanism, and observe the angle change of the slitting blade until the desired appropriate extension position and side pressure angle are reached; Step S6: During the slitting process, the slitting blade is automatically wiped by controlling the residual glue wiping mechanism to remove the residual glue, and the foreign matter and residual glue generated by slitting in the slitting blade shield are removed by suction by controlling the residual glue foreign matter suction mechanism; Step S7: Check the working status of the residual glue wiping mechanism and the residual glue foreign body suction mechanism in real time or regularly to ensure cleanliness and normal operation.

[0014] The ultra-wide and ultra-precision multiple width slitting device and method provided by the present invention adopt an upper knife-type slitting chassis and a lower knife-type slitting chassis that are arranged in parallel and opposite to each other and their specific structural structures, a slitting tool assembly that can adjust the width, performs longitudinal multi-column slitting and can change its retractable and retractable state, and an upper knife assembly and a lower knife assembly that integrate a side pressure adjustment, a tool angle adjustment, and a residual glue cleaning mechanism, etc., which can quickly adjust the slitting width within the range of 200mm to 2560mm to meet various wide width requirements; improve the slitting accuracy, tangent edge effect, and the neatness of the cutting blade and its surroundings; combine the use of residual glue wiping and residual glue foreign body suction in the same cavity in the slitting knife shield and around the blade, effectively deal with the residual glue and foreign matter generated in the slitting process, and keep the equipment and working environment clean; the reasonable structural design makes the overall device more convenient to disassemble and maintain, and improves the stability and service life of the equipment. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a schematic structural diagram of an ultra-wide and ultra-precision multi-width slitting device provided according to an embodiment of the present invention; Figure 2 It is a schematic structural diagram of an ultra-wide and ultra-precision multi-width slitting device provided according to an embodiment of the present invention; Figure 3 It is a schematic structural diagram of an ultra-wide and ultra-precision multi-width slitting device provided according to an embodiment of the present invention; Figure 4 It is a schematic structural diagram of an ultra-wide and ultra-precision multi-width slitting device provided according to an embodiment of the present invention; Figure 5 It is a schematic structural diagram of an ultra-wide and ultra-precision multi-width slitting device provided according to an embodiment of the present invention; In the figure: 1. Upper knife assembly; 2. Lower knife assembly; 3. Chassis gap; 4. Cylinder for knife assembly; 5. Side pressure adjustment mechanism; 6. Servo motor; 7. Motor fixing seat; 8. Slitting knife guard; 9. Slitting blade; 10. Residual glue wiping mechanism; 11. Residual glue and foreign matter suction mechanism; 12. Support square tube; 13. Linear guide; 14. Long pallet; 15. Strip drag chain; 16. Connecting plate; 17. Driving moving mechanism; 18. Moving base; 19. Driving cylinder; 20. Driving motor. DETAILED DESCRIPTION

[0016] The present invention will be further described below in conjunction with the accompanying drawings. The following embodiments are only used to more clearly illustrate the technical solution of the present invention, and cannot be used to limit the protection scope of the present invention.

[0017] In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside" and the like indicate positions or positional relationships based on the positions or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as limiting the present invention. In addition, the terms "first", "second", and the like are only used for descriptive purposes, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, features defined as "first", "second", and the like may explicitly or implicitly include one or more of the features. In the description of the present invention, unless otherwise specified, "multiple" means two or more.

[0018] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installed", "connected", and "connected" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood by specific circumstances.

[0019] like Figure 1 As shown, an ultra-wide and ultra-precision multi-width slitting device is provided in an embodiment of the present invention, including an upper knife-type slitting frame and a lower knife-type slitting frame arranged in parallel and opposite to each other, and a plurality of slitting tool assemblies are arranged between the upper knife-type slitting frame and the lower knife-type slitting frame, which can adjust the width laterally along the frame gap 3, cut in multiple columns longitudinally, and can change the retractable and extendable state.

[0020] In this embodiment, the minimum slitting width is 200 mm and the maximum slitting width is 2560 mm.

[0021] In this embodiment, the slitting tool assembly includes an upper knife assembly 1 and a lower knife assembly 2.

[0022] The upper knife type slitting chassis is provided with at least two upper knife components 1 which can be moved laterally to adjust the width, and the lower knife type slitting chassis is provided with at least two lower knife components 2 which can be moved laterally to adjust the width.

[0023] It should be noted that in this embodiment, the upper knife assembly 1 and the lower knife assembly 2 have the same structural structure.

[0024] like Figure 4 and Figure 5 As shown, the upper knife assembly 1 includes a knife group cylinder 4, a side pressure adjustment mechanism 5, a servo motor 6, a motor fixing seat 7, a slitting knife guard 8, a slitting blade 9, a residual glue wiping mechanism 10 and a residual glue foreign body suction mechanism 11.

[0025] The output shaft of the knife group cylinder 4 is connected to the motor fixing seat 7 through the side pressure adjustment mechanism 5, the servo motor 6 is fixed on the motor fixing seat 7 and a slitting blade 9 is installed on the output shaft, the slitting knife guard 8 is fixedly installed on the motor fixing seat 7, the cover is arranged on the slitting blade 9, and ensures that at least a part of the slitting blade 9 is exposed from the slitting knife guard 8, the residual glue wiping mechanism 10 and the residual glue foreign body suction mechanism 11 are respectively arranged on the upper and lower sides of the slitting knife guard 8 and are connected to the slitting blade 9 in the slitting knife guard 8, and are used for wiping and sucking the residual glue left over from cutting.

[0026] The lower knife assembly 2 includes a knife group cylinder 4, a side pressure adjustment mechanism 5, a servo motor 6, a motor fixing seat 7, a slitting knife guard 8, a slitting blade 9, a residual glue wiping mechanism 10 and a residual glue foreign body suction mechanism 11; The output shaft of the knife group cylinder 4 is connected to the motor fixing seat 7 through the side pressure adjustment mechanism 5, the servo motor 6 is fixed on the motor fixing seat 7 and a slitting blade 9 is installed on the output shaft, the slitting knife guard 8 is fixedly installed on the motor fixing seat 7, the cover is arranged on the slitting blade 9, and ensures that at least a part of the slitting blade 9 is exposed from the slitting knife guard 8, the residual glue wiping mechanism 10 and the residual glue foreign body suction mechanism 11 are respectively arranged on the upper and lower sides of the slitting knife guard 8 and are connected to the slitting blade 9 in the slitting knife guard 8, and are used for wiping and sucking the residual glue left over from cutting.

[0027] like Figure 2 As shown, the upper knife-type slitting chassis includes a supporting square tube 12, a linear guide rail 13, a long tray 14, a strip drag chain 15, a connecting plate 16 and a driving and moving mechanism 17; The driving mechanism 17 is reciprocatingly arranged on the linear guide 13. The linear guide 13 extends laterally along the frame gap 3 and is arranged on the top surface of the supporting square tube 12. The side of the supporting square tube 12 away from the frame gap 3 is provided with at least one long tray 14 parallel to the linear guide 13. The strip drag chain 15 is arranged on the long tray 14, and the two ends of the strip drag chain 15 are respectively connected to the driving mechanism 17 through a connecting plate 16.

[0028] The lower knife-type cutting chassis includes a supporting square tube 12, a linear guide rail 13, a long tray 14, a strip drag chain 15, a connecting plate 16 and a driving and moving mechanism 17; The driving mechanism 17 is reciprocatingly arranged on the linear guide 13. The linear guide 13 extends laterally along the frame gap 3 and is arranged on the top surface of the supporting square tube 12. The side of the supporting square tube 12 away from the frame gap 3 is provided with at least one long tray 14 parallel to the linear guide 13. The strip drag chain 15 is arranged on the long tray 14, and the two ends of the strip drag chain 15 are respectively connected to the driving mechanism 17 through a connecting plate 16.

[0029] like Figure 3 As shown, the driving and moving mechanism 17 includes a moving base 18, a driving cylinder 19 and a driving motor 20; The movable base 18 is reciprocatingly slidably arranged on the linear guide rail 13, the driving motor 20 is fixedly arranged on the movable base 18, and the output shaft of the driving motor 20 is meshed with a rack arranged laterally on the side of the supporting square tube 12 away from the base frame gap 3 through a gear roller, and the output shaft of the driving cylinder 19 is detachably connected to the knife group cylinder 4 of the corresponding upper knife assembly 1 or lower knife assembly 2 through a connecting block, and is telescoped toward the lower knife type slitting base frame or the upper knife type slitting base frame perpendicular to the base frame gap 3.

[0030] In this embodiment, four upper knife assemblies 1 that can be moved laterally to adjust the width are provided on the upper knife type cutting frame, and four lower knife assemblies 2 that can be moved laterally to adjust the width are provided on the lower knife type cutting frame; two long trays 14 parallel to the linear guide rail 13 are arranged on the side of the supporting square tube 12 away from the frame gap 3.

[0031] In this embodiment, the angle adjustment in the side pressure mechanism 5 is adjusted by turning the pointer left and right to adjust the angle, and then the screw on the locking side is fixed to fix the angle; while the side pressure adjustment is ventilated through the air pipe joint, and the side pressure is adjusted by air pressure, and the air intake is compressed and the air is deflated to retract. In addition, the innovation of the technical solution of this application focuses on the structural design of the upper knife assembly and the lower knife assembly, while the devices of the residual glue wiping mechanism 10 and the residual glue foreign body suction mechanism 11 can use existing conventional wiping and suction devices.

[0032] Next, the working principle or operation method of the ultra-wide and ultra-precision multi-wide slitting device of the present invention is described in combination with the use and operation of a specific embodiment.

[0033] Step S1: Determine the film width required for slitting the film roll to be slit according to production requirements or order specifications.

[0034] Step S2: Install the upper knife assembly 1 and the lower knife assembly 2 on the upper knife type slitting frame and the lower knife type slitting frame onto the corresponding movable base 18, use the drive motor 20 and the gear roller in the driving moving mechanism 17 of the lateral movement adjustment mechanism to move each slitting tool assembly along the rack and the linear guide 13 until the slitting width required by the film width is reached, lock the position of the slitting tool assembly, and ensure that no deviation occurs during the slitting process.

[0035] Step S3: According to the thickness and material of the film, adjust the telescopic length of the knife group cylinder 4 and the driving cylinder 19 so that each upper and lower knife assembly 2 is extended to the appropriate position in the chassis gap 3, and use the side pressure adjustment mechanism 5 to adjust to determine the appropriate side pressure and the appropriate tool angle; ensure that after the side pressure and angle are adjusted, the output shaft of the cylinder can stably push the slitting blade 9 to ensure the uniformity and accuracy of slitting.

[0036] Step S4: Perform trial slitting of the film coil, check the slitting effect, and adjust the side pressure and the angle of the cutter.

[0037] Step S5: Use the fine-tuning knob of the knife group cylinder 4 to fine-tune the extension amount of the slitting blade 9, and combine with the side pressure adjustment mechanism 5 to slowly adjust the fine-tuning knob and observe the angle change of the slitting blade 9 until the required appropriate extension position and side pressure angle are reached.

[0038] Step S6: During the slitting process, the slitting blade 9 is automatically wiped by the controlled residual glue wiping mechanism 10 to remove residual glue, and the foreign matter and residual glue generated by slitting in the slitting blade shield 8 are removed by suction by the controlled residual glue foreign matter suction mechanism 11.

[0039] Step S7: Check the working status of the residual glue wiping mechanism 10 and the residual glue foreign matter suction mechanism 11 in real time or regularly to ensure cleanliness and normal operation.

[0040] The above is only a preferred embodiment of the present invention. It should be pointed out that for ordinary technicians in this technical field, several improvements and modifications can be made without departing from the technical principles of the present invention. These improvements and modifications should also be regarded as the scope of protection of the present invention.

Claims

1. An ultra-wide, ultra-precision, multi-width slitting device, characterized in that: It comprises an upper knife-type slitting chassis and a lower knife-type slitting chassis which are arranged in parallel and opposite to each other, and a plurality of slitting tool assemblies which can adjust the width laterally along the chassis gap, perform longitudinal multi-column slitting and can change the retractable and retractable state are arranged between the upper knife-type slitting chassis and the lower knife-type slitting chassis.

2. The ultra-wide ultra-precision multiple wide-width slitting device according to claim 1, characterized in that: The slitting tool assembly comprises an upper knife assembly and a lower knife assembly; The upper knife type slitting chassis is provided with at least two upper knife assemblies which can be moved laterally to adjust the width, and the lower knife type slitting chassis is provided with at least two lower knife assemblies which can be moved laterally to adjust the width.

3. The ultra-wide ultra-precision multiple wide-width slitting device according to claim 2, characterized in that: The upper knife assembly includes a knife group cylinder, a side pressure adjustment mechanism, a servo motor, a motor fixing seat, a slitting knife guard, a slitting blade, a residual glue wiping mechanism and a residual glue foreign body suction mechanism; The output shaft of the knife group cylinder is connected to the motor fixing seat through the side pressure adjustment mechanism, the servo motor is fixed on the motor fixing seat and a slitting blade is installed on the output shaft, the slitting knife guard is fixedly installed on the motor fixing seat, the cover is arranged on the slitting blade, and ensures that at least a part of the slitting blade is exposed from the slitting knife guard, the residual glue wiping mechanism and the residual glue foreign body suction mechanism are respectively arranged on the upper and lower sides of the slitting knife guard and are connected to the slitting blade in the slitting knife guard, and are used for wiping and sucking the residual glue left over from cutting.

4. The ultra-wide ultra-precision multiple wide-width slitting device according to claim 3, characterized in that: The upper knife-type slitting chassis comprises a supporting square tube, a linear guide rail, a long pallet, a strip drag chain, a connecting plate and a driving and moving mechanism; The driving mechanism is reciprocatingly arranged on the linear guide rail, and the linear guide rail is arranged on the top surface of the supporting square tube and extends laterally along the gap of the chassis. The side of the supporting square tube away from the gap of the chassis is provided with at least one long tray parallel to the linear guide rail, and the strip drag chain is arranged on the long tray, and the two ends of the strip drag chain are respectively connected to the driving mechanism through a connecting plate.

5. The ultra-wide ultra-precision multiple wide-width slitting device according to claim 4, characterized in that: The driving and moving mechanism comprises a moving base, a driving cylinder and a driving motor; The movable base can be reciprocatingly slidably arranged on the linear guide rail, the driving motor is fixedly arranged on the movable base, and the output shaft of the driving motor is meshed with a rack arranged laterally on the side of the supporting square tube away from the gap of the chassis through a gear roller, and the output shaft of the driving cylinder is detachably connected to the knife group cylinder of the upper knife assembly through a connecting block, and is telescoped toward the lower knife-type slitting chassis perpendicular to the gap of the chassis.

6. The ultra-wide ultra-precision multiple wide-width slitting device according to claim 2, characterized in that: The lower knife assembly includes a knife group cylinder, a side pressure adjustment mechanism, a servo motor, a motor fixing seat, a slitting knife guard, a slitting blade, a residual glue wiping mechanism and a residual glue foreign body suction mechanism; The output shaft of the knife group cylinder is connected to the motor fixing seat through the side pressure adjustment mechanism, the servo motor is fixed on the motor fixing seat and a slitting blade is installed on the output shaft, the slitting knife guard is fixedly installed on the motor fixing seat, the cover is arranged on the slitting blade, and ensures that at least a part of the slitting blade is exposed from the slitting knife guard, the residual glue wiping mechanism and the residual glue foreign body suction mechanism are respectively arranged on the upper and lower sides of the slitting knife guard and are connected to the slitting blade in the slitting knife guard, and are used for wiping and sucking the residual glue left over from cutting.

7. The ultra-wide ultra-precision multiple wide-width slitting device according to claim 6, characterized in that: The lower knife-type slitting chassis comprises a supporting square tube, a linear guide rail, a long pallet, a strip drag chain, a connecting plate and a driving and moving mechanism; The driving mechanism is reciprocatingly arranged on the linear guide rail, and the linear guide rail is arranged on the top surface of the supporting square tube and extends laterally along the gap of the chassis. The side of the supporting square tube away from the gap of the chassis is provided with at least one long tray parallel to the linear guide rail, and the strip drag chain is arranged on the long tray, and the two ends of the strip drag chain are respectively connected to the driving mechanism through a connecting plate.

8. The ultra-wide ultra-precision multiple wide-width slitting device according to claim 7, characterized in that: The driving and moving mechanism comprises a moving base, a driving cylinder and a driving motor; The movable base can be reciprocatingly slidably arranged on the linear guide rail, the driving motor is fixedly arranged on the movable base, and the output shaft of the driving motor is meshed with a rack arranged laterally on the side of the supporting square tube away from the gap of the chassis through a gear roller, and the output shaft of the driving cylinder is detachably connected to the knife group cylinder of the lower knife assembly through a connecting block, and is telescoped toward the upper knife type slitting chassis perpendicular to the gap of the chassis.

9. The ultra-wide ultra-precision multiple wide-width slitting device according to claim 4 or 7, characterized in that: The upper knife type slitting chassis is provided with four upper knife assemblies which can be moved laterally to adjust the width, and the lower knife type slitting chassis is provided with four lower knife assemblies which can be moved laterally to adjust the width; two long trays parallel to the linear guide rails are arranged on the side of the supporting square tube away from the chassis gap.

10. A slitting control method for the ultra-wide ultra-precision multi-width slitting device according to any one of claims 1 to 9, characterized in that: The steps include: Step S1: Determine the film width required for slitting the film roll to be slit according to production requirements or order specifications; Step S2: installing the upper knife assembly and the lower knife assembly on the upper knife slitting chassis and the lower knife slitting chassis onto the corresponding movable base, using the driving motor and the gear roller in the driving moving mechanism of the lateral movement adjustment mechanism to move each slitting tool assembly along the rack and the linear guide until the slitting width required by the film width is reached, locking the position of the slitting tool assembly to ensure that no deviation occurs during the slitting process; Step S3: According to the thickness and material of the film, the telescopic length of the knife group cylinder and the driving cylinder is adjusted to make each upper and lower knife assembly extend to a suitable position in the gap of the chassis, and the side pressure adjustment mechanism is used to adjust to determine the appropriate side pressure and the appropriate tool angle; after the side pressure and angle are adjusted, the output shaft of the cylinder can stably push the slitting blade to ensure the uniformity and accuracy of slitting; Step S4: Perform trial slitting of the film coil, check the slitting effect, and adjust the side pressure and the angle of the cutter; Step S5: Use the fine-tuning knob of the knife group cylinder to fine-tune the extension amount of the slitting blade, and slowly adjust the fine-tuning knob in combination with the side pressure adjustment mechanism, and observe the angle change of the slitting blade until the desired appropriate extension position and side pressure angle are reached; Step S6: During the slitting process, the slitting blade is automatically wiped by controlling the residual glue wiping mechanism to remove the residual glue, and the foreign matter and residual glue generated by slitting in the slitting blade shield are removed by suction by controlling the residual glue foreign matter suction mechanism; Step S7: Check the working status of the residual glue wiping mechanism and the residual glue foreign body suction mechanism in real time or regularly to ensure cleanliness and normal operation.

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