Ultra-wide and ultra-precise high-speed cutting unit and production line thereof

Abstract

The invention discloses an ultra-wide and ultra-precise high-speed cutting unit and a cutting production line thereof, and belongs to the technical field of coiled material cutting, the ultra-wide and ultra-precise high-speed cutting unit comprises a frame, a cutting base plate mechanism, and a lining plate roller which is arranged at the lower half part of the frame and is provided with a transverse stretching along the cutting direction; the cutting knife mechanism is arranged on the upper half portion of the frame and provided with a cutting driving assembly installed on the top of the frame, and at least five precise leveling assemblies are in transmission connection with the lower portion of the cutting driving assembly in the cutting transverse direction at equal intervals. The lower portions of the precise leveling assemblies are jointly in transmission connection with a cutting knife assembly which extends in the cutting transverse direction and is opposite to the lining plate rolling wheels in an up-down parallel mode. The coiled material cutting device can rapidly, efficiently and accurately cut coiled materials, is exquisite and reasonable in structural design, convenient to disassemble and operate and good in stability, and improves the cutting quality and the cutting efficiency.

Description

Technical Field

[0001] The invention belongs to the technical field of coil cutting equipment, and in particular relates to an ultra-wide ultra-precision high-speed cutting unit and a production line thereof. Background Art

[0002] At present, the coil cutting equipment for polarizing film and other materials is mainly used for cutting small widths, and the conventional width of existing products is only 1470mm. With the diversification of market demand, such as the need to increase product output and the increasing demand for screen size, higher requirements are placed on our equipment manufacturers.

[0003] In particular, during the unwinding process, if the coil is to be quickly cut horizontally within a width of 2600mm while the film is still running, it is not just a simple increase in the width of the coil, but a substantial increase in the technical requirements for increasing the width of the film coil from various aspects such as equipment structure design, technical requirements of various components, and cutting quality performance, so as to facilitate cutting of large sizes or increase the number of cuts from the same coil, thereby improving efficiency. Summary of the invention

[0004] The purpose of the present invention is to overcome the deficiencies in the prior art and to provide an ultra-wide, ultra-precision, high-speed cutting unit and its production line, which can cut coils quickly, efficiently and accurately. The unit has a sophisticated and reasonable structural design, convenient disassembly and operation, good stability, and provides cutting quality and cutting efficiency.

[0005] To achieve the above object, the present invention is implemented by adopting the following technical solutions: In a first aspect, the present invention provides an ultra-wide ultra-precision high-speed cutting unit, comprising: frame, A cutting pad mechanism is arranged at the lower half of the frame and is provided with a pad roller extending in the cutting transverse direction; The cutting knife mechanism is arranged on the upper half of the frame and is equipped with a cutting drive assembly installed on the top of the frame. Below the cutting drive assembly, at least five groups of precision leveling assemblies are evenly spaced along the cutting transverse direction. Below the precision leveling assembly, there is a cutting knife assembly that is connected to the cutting transverse direction and is parallel to and opposite to the lining plate roller.

[0006] Further, the cutting drive assembly includes a first servo motor, a gear box, an eccentric transmission connecting rod, a cam, a connecting ring and a connecting frame; The first servo motor is fixedly arranged on the top of the frame and the output shaft is connected to the central axis of the eccentric transmission connecting rod through a gear transmission. Two symmetrical eccentric shafts are fixedly arranged at both ends of the central axis of the eccentric transmission connecting rod. The eccentric shafts are respectively provided with at least one long strip cam hinged with bearings. The free end of the cam extends downward and is connected to a connecting ring hinged with a bearing. The connecting ring is fixedly connected to a connecting frame extending horizontally along the cutting line.

[0007] Further, the precision leveling assembly includes a first cylinder, a second servo motor and a screw jack respectively fixed on the connecting frame; The second servo motor is drivingly connected to the screw jack, and the screw rod of the screw jack and the piston rod of the first cylinder are respectively extended downward and fixedly connected to the cutting tool assembly.

[0008] Furthermore, the cutting tool assembly includes a cutting tool support plate, a cutting tool fixing plate, a cutting tool side plate, a cutting tool pressing plate and a cutting tool blade; The cutter support plate is fixedly connected to the screw of the screw jack and the piston rod of the cylinder, and a plurality of slide blocks are arranged on the side of the cutter support plate along the cutting transverse direction and are slidably connected to the slide rails on the opposite side of the connecting frame; A cutter side plate is provided at both side ends of the cutter support plate, and the cutter side plate is vertically slidably arranged in a linear guide rail with limit blocks provided at the upper and lower ends of the lateral inner side surface of the frame; The bottom end of the cutter support plate is fixedly connected to the cutter fixing plate, and the cutter blade extending along the cutting transverse direction is fixedly connected to the cutter fixing plate, and the cutter blade is fixed and limited by cutter pressing plates at both ends of the cutter fixing plate.

[0009] Further, the cutting pad mechanism includes a pad roller and at least four leveling components evenly spaced below the pad roller; The two ends of the lining plate roller are rotatably mounted on the frame along the cutting transverse direction. The leveling assembly includes a strip support plate, a vertical adjustment side plate, a support plate, an axis support block, a rotating axis and an MC nylon roller; The strip support plate is arranged on the frame bottom plate and extends in the cutting horizontal direction. The vertical adjustment side plate is arranged on the top of the strip support plate and can be adjusted up and down. The support plate is fixedly arranged horizontally on the top of the vertical adjustment side plate. Two axial support blocks parallel to each other in the cutting horizontal direction are arranged on the top surface of the support plate. The shaft support block support sleeve is provided with a rotating shaft of the MC nylon roller, and the MC nylon roller is rotatably contact-supported below the lining plate roller.

[0010] Furthermore, it also includes two 6-inch air shafts for winding the coils, and the leveling assembly is located between the two air shafts; The two ends of the two inflatable shafts are detachably arranged on the frame through an inflatable shaft locking and releasing assembly and are symmetrically located at the lower outer side of the lining roller in a triangular shape; at least one end of the inflatable shaft is connected to a second cylinder and a sliding guide rail is arranged at the bottom, and it moves back and forth within a preset distance range along the cutting horizontal direction under the drive of the second cylinder.

[0011] Furthermore, the air shaft locking and releasing assembly includes a locking and releasing base, a third air cylinder, a locking and releasing movable plate, an air shaft clamp and a fourth air cylinder; The locking and releasing base and the third air cylinder are respectively fixedly arranged on the frame, and the piston rod of the third cylinder is transmission-connected to the zoom movable plate which moves up and down along the vertical guide rail on the locking and releasing base. One end of the inflatable shaft clamp is rotatably arranged on the locking and releasing movable plate via a transverse axis. A semicircular clamping groove for dragging and placing the inflatable shaft is provided on the top surface of the free end of the inflatable shaft clamp. The fourth cylinder is fixedly arranged on the inflatable shaft clamp and the piston rod is transmission-connected to a clamping block which is telescopic above the clamping groove.

[0012] Furthermore, the cutter blade has a thickness of 0.7 mm, a width of 23.6 mm, and a length of 2700 mm.

[0013] Furthermore, the frame includes a frame bottom plate, a frame side plate, a frame fixing plate and a cover shell.

[0014] In a second aspect, the present invention provides an ultra-wide, ultra-precision, high-speed cutting production line, which is equipped with at least two ultra-wide, ultra-precision, high-speed cutting units as described in any one of the first aspects.

[0015] The ultra-wide, ultra-precision, high-speed cutting unit and its cutting production line provided by the present invention adopt a cutting pad mechanism and a cutting knife mechanism symmetrically arranged above and below a frame, and utilize a transmission connection at least five groups of precision leveling components evenly spaced in the transverse direction of cutting below a cutting drive component, and drive the cutting knife component connected to the precision leveling component to move downward to cooperate with the lining plate roller extending transversely for cutting, so as to cut the coiled material quickly, efficiently and accurately. The structural design is exquisite and reasonable, the disassembly operation is convenient, the stability is good, and the cutting quality and cutting efficiency are improved. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 A three-dimensional schematic diagram of an ultra-wide ultra-precision high-speed cutting unit provided according to an embodiment of the present invention; Figure 2 A three-dimensional schematic diagram of an ultra-wide ultra-precision high-speed cutting unit provided according to an embodiment of the present invention; Figure 3A schematic diagram of a cutting drive assembly provided according to an embodiment of the present invention; Figure 4 A schematic diagram of a precision leveling assembly and a cutting knife assembly provided according to an embodiment of the present invention; Figure 5 A schematic diagram of a precision leveling assembly provided according to an embodiment of the present invention; Figure 6 A three-dimensional schematic diagram of a cutting pad mechanism provided according to an embodiment of the present invention; Figure 7 A front view of a cutting pad mechanism provided according to an embodiment of the present invention; Figure 8 A schematic diagram of an inflatable shaft locking and releasing assembly provided according to an embodiment of the present invention; Fig. 9 A schematic side view of a precision leveling assembly and a cutting knife assembly provided according to an embodiment of the present invention; Fig.10 It is a schematic diagram of a leveling component provided according to an embodiment of the present invention.

[0017] In the figure: 1. Frame; 2. Liner roller; 3. First servo motor; 4. Gear box; 5. Eccentric transmission connecting rod; 6. Cam; 7. Connecting ring; 8. Connecting frame; 9. First cylinder; 10. Second servo motor; 11. Screw jack; 12. Cutter support plate; 14. Cutter fixing plate; 15. Cutter side plate; 16. Cutter pressure plate; 17. Cutter blade; 18. Strip support plate; 19. Vertical adjustment side plate; 20. Support plate; 21. Shaft support block; 22. Rotating shaft; 23. MC nylon roller; 24. Pneumatic shaft; 25. Second cylinder; 26. Pneumatic shaft locking and releasing assembly; 27. Locking and releasing base; 28. Third cylinder; 29. ​​Locking and releasing moving plate; 30. Pneumatic shaft clamp; 31. Fourth cylinder; 32. Clamping block; 33. Clamping groove; 34. Center shaft; 35. Eccentric shaft; 36. Slide rail. DETAILED DESCRIPTION

[0018] 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.

[0019] 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.

[0020] 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. Example

[0021] like Figure 1 and Figure 2 As shown, an embodiment of the present invention provides an ultra-wide ultra-precision high-speed cutting unit, comprising: Frame 1, The cutting pad mechanism is arranged at the lower half of the frame 1 and is provided with a pad roller 2 extending in the cutting transverse direction; The cutting knife mechanism is arranged on the upper half of the frame 1 and is equipped with a cutting drive assembly installed on the top of the frame 1. Below the cutting drive assembly, at least five groups of precision leveling assemblies are evenly spaced along the cutting transverse direction. Below the precision leveling assembly, there is a common transmission connection with a cutting knife assembly that extends along the cutting transverse direction and is parallel to and opposite to the lining plate roller 2 above and below.

[0022] The cutting unit of the embodiment of the present invention can cut the coiled material horizontally quickly and comprehensively within a width of 2600mm while the film is being unwound. Compared with conventional cutting equipment and processes with a cutting width of 1470mm or less in the prior art, it has significant improvements in width, efficiency and stability.

[0023] In this embodiment, if Figure 3As shown, the cutting drive assembly includes a first servo motor 3, a gearbox 4, an eccentric transmission connecting rod 5, a cam 6, a connecting ring 7 and a connecting frame 8; The first servo motor 3 is fixedly arranged on the top of the frame 1 and the output shaft is connected to the central axis 34 of the eccentric transmission connecting rod 5 through the gear box 4. Two symmetrical eccentric shafts 35 are fixedly arranged at both ends of the central axis 34 of the eccentric transmission connecting rod 5. The eccentric shafts 35 are respectively provided with at least one long strip cam 6 hinged with bearings. The free end of the cam 6 extends downward and is connected to a connecting ring 7 hinged with a bearing. The connecting ring 7 is fixedly connected to a connecting frame 8 extending in the transverse direction of the cutting.

[0024] Among them, the servo motor is used for ultra-sensitive corresponding rotation, and it only takes 0.5 seconds to rotate one circle. It only takes 0.05 seconds to drive the lower cutting knife assembly through the eccentric transmission connecting rod 5 to realize the cutting. The super knife cutting time is 0.05 seconds, which is completed in an instant, without too much contact time with the coil, ensuring that the coil will not be damaged even if it is cut during the movement.

[0025] like Figure 4 , Figure 5 As shown, the precision leveling assembly includes a first cylinder 9, a second servo motor 10 and a screw jack 11 which are respectively fixed on a connecting frame 8; The second servo motor 10 is drivingly connected to the screw jack 11 , and the screw rod of the screw jack 11 and the piston rod of the first cylinder 9 are respectively extended downward and fixedly connected to the cutting tool assembly.

[0026] Specifically, the first air cylinder 9 is used to control the up and down position and preliminary horizontal balance of the cutter support plate 12 of the lower cutter assembly as a whole.

[0027] Then, the second servo motor 10 and the screw jack 11 are used to perform ultra-fine horizontal fine adjustment through the ultra-high precision characteristics of the servo motor and the screw jack 11, respectively, so that the up and down fine adjustment precision can be 5um. The motor jack is controlled by the program (PLC) software to achieve ultra-fine horizontal fine adjustment and balance.

[0028] like Figure 4 and Fig. 9 As shown, the cutting tool assembly includes a cutter support plate 12, a cutter fixing plate 14, a cutter side plate 15, a cutter pressing plate 16 and a cutter blade 17; The cutter support plate 12 is fixedly connected to the screw of the screw jack 11 and the piston rod of the cylinder. A plurality of slide blocks are provided on the side of the cutter support plate 12 along the cutting transverse direction and are slidably connected to the slide rails on the opposite side of the connecting frame 8. A cutter side plate 15 is provided at both side ends of the cutter support plate 12, and the cutter side plate 15 is vertically slidably arranged in a linear guide rail with limit blocks provided at the upper and lower ends of the lateral inner side surface of the frame 1; The bottom end of the cutter support plate 12 is fixedly connected to the cutter fixing plate 14, and the cutter blade 17 extending along the cutting transverse direction is fixedly connected to the cutter fixing plate 14, and the cutter blade 17 is fixed and limited by the cutter pressing plate 16 at both ends of the fixing plate.

[0029] In this embodiment, the cutter blade 17 has a thickness of 0.7 mm, a width of 23.6 mm, and a length of 2700 mm.

[0030] like Figure 6 and Figure 7 As shown, the cutting pad mechanism includes a liner roller 2 and at least four leveling components evenly spaced below the liner roller 2; The two ends of the lining roller 2 are installed on the frame 1 in a rotatable manner along the cutting direction. like Fig.10 As shown, the leveling assembly includes a strip support plate 18, a vertical adjustment side plate 19, a support plate 20, an axis support block 21, a rotating shaft 22 and a MC nylon roller 23; The strip support plate 18 is arranged on the bottom plate of the frame 1 and extends in the transverse direction of the cutting. The vertical adjustment side plate 19 is arranged on the top of the strip support plate 18 and can be adjusted up and down. The support plate 20 is horizontally fixed on the top of the vertical adjustment side plate 19, and two shaft support blocks 21 parallel to each other in the transverse direction of the cutting are arranged on the top surface of the support plate 20. The shaft support block 21 supports a sleeve with a rotating shaft 22 of a MC nylon roller 23 , and the MC nylon roller 23 is rotatably contact-supported below the lining roller 2 .

[0031] like Figure 6 and Figure 7 As shown, it also includes two 6-inch air shafts for winding the coils, and the leveling assembly is located between the two air shafts; The two ends of the two pneumatic shafts are detachably arranged on the frame 1 through a pneumatic shaft locking and releasing assembly 26 and are symmetrically located at the lower outer side of the lining roller 2 in a triangular shape; at least one end of the pneumatic shaft is connected to the second cylinder 25 and a sliding guide rail is arranged below, and it moves back and forth within a preset distance range along the cutting horizontal direction under the drive of the second cylinder 25.

[0032] like Figure 8 As shown, the air shaft locking and releasing assembly 26 includes a locking and releasing base 27, a third air cylinder 28, a locking and releasing movable plate 29, an air shaft clamp 30 and a fourth air cylinder 31; The locking and releasing base 27 and the third cylinder 28 are respectively fixedly arranged on the frame 1, and the piston rod of the third cylinder 28 is transmission-connected to the zoom movable plate that moves up and down along the vertical guide rail on the locking and releasing base 27. One end of the inflatable shaft clamp 30 is rotatably arranged on the transverse axis on the locking and releasing movable plate 29. A semicircular clamping groove 33 for dragging and dropping the inflatable shaft is provided on the top surface of the free end of the inflatable shaft clamp 30. The fourth cylinder 31 is fixedly arranged on the inflatable shaft clamp 30 and the piston rod is transmission-connected to a clamping block 32 that is telescopic above the clamping groove 33.

[0033] The frame 1 includes a frame bottom plate, a frame side plate, a frame fixing plate and a cover. The cover is used for dustproof wiring and has no other special functions, so it will not be explained in detail.

[0034] In a second aspect, the present invention provides an ultra-wide ultra-precision high-speed cutting production line, which is equipped with at least two ultra-wide ultra-precision high-speed cutting units as described in any one of the first aspects.

[0035] 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 high-speed cutting unit, characterized in that: include: frame, A cutting pad mechanism is arranged at the lower half of the frame and is provided with a pad roller extending in the cutting transverse direction; The cutting knife mechanism is arranged on the upper half of the frame and is equipped with a cutting drive assembly installed on the top of the frame. Below the cutting drive assembly, at least five groups of precision leveling assemblies are evenly spaced along the cutting transverse direction. Below the precision leveling assembly, there is a cutting knife assembly that is connected to the cutting transverse direction and is parallel to and opposite to the lining plate roller.

2. The ultra-wide ultra-precision high-speed cutting unit according to claim 1, characterized in that: The cutting drive assembly includes a first servo motor, a gear box, an eccentric transmission connecting rod, a cam, a connecting ring and a connecting frame; The first servo motor is fixedly arranged on the top of the frame and the output shaft is connected to the central axis of the eccentric transmission connecting rod through a gear transmission. Two symmetrical eccentric shafts are fixedly arranged at both ends of the central axis of the eccentric transmission connecting rod. The eccentric shafts are respectively provided with at least one long strip cam hinged with bearings. The free end of the cam extends downward and is connected to a connecting ring hinged with a bearing. The connecting ring is fixedly connected to a connecting frame extending horizontally along the cutting line.

3. The ultra-wide ultra-precision high-speed cutting unit according to claim 2, characterized in that: The precision leveling assembly comprises a first cylinder, a second servo motor and a screw jack respectively fixed on the connecting frame; The second servo motor is drivingly connected to the screw jack, and the screw rod of the screw jack and the piston rod of the first cylinder are respectively extended downward and fixedly connected to the cutting tool assembly.

4. The ultra-wide ultra-precision high-speed cutting unit according to claim 3, characterized in that: The cutting tool assembly includes a cutting tool support plate, a cutting tool fixing plate, a cutting tool side plate, a cutting tool pressing plate and a cutting tool blade; The cutter support plate is fixedly connected to the screw of the screw jack and the piston rod of the cylinder, and a plurality of slide blocks are arranged on the side of the cutter support plate along the cutting transverse direction and are slidably connected to the slide rails on the opposite side of the connecting frame; A cutter side plate is provided at both side ends of the cutter support plate, and the cutter side plate is vertically slidably arranged in a linear guide rail with limit blocks provided at the upper and lower ends of the lateral inner side surface of the frame; The bottom end of the cutter support plate is fixedly connected to the cutter fixing plate, and the cutter blade extending along the cutting transverse direction is fixedly connected to the cutter fixing plate, and the cutter blade is fixed and limited by cutter pressing plates at both ends of the cutter fixing plate.

5. The ultra-wide ultra-precision high-speed cutting unit according to claim 4, characterized in that: The cutting pad mechanism comprises a lining plate roller and at least four leveling components evenly spaced below the lining plate roller; The two ends of the lining plate roller are rotatably mounted on the frame along the cutting transverse direction. The leveling assembly includes a strip support plate, a vertical adjustment side plate, a support plate, an axis support block, a rotating axis and an MC nylon roller; The strip support plate is arranged on the frame bottom plate and extends in the cutting horizontal direction. The vertical adjustment side plate is arranged on the top of the strip support plate and can be adjusted up and down. The support plate is fixedly arranged horizontally on the top of the vertical adjustment side plate. Two axial support blocks parallel to each other in the cutting horizontal direction are arranged on the top surface of the support plate. The shaft support block support sleeve is provided with a rotating shaft of the MC nylon roller, and the MC nylon roller is rotatably contact-supported below the lining plate roller.

6. The ultra-wide ultra-precision high-speed cutting unit according to claim 5, characterized in that: It also includes two 6-inch air shafts for winding the coils, and the leveling assembly is located between the two air shafts; The two ends of the two inflatable shafts are detachably arranged on the frame through an inflatable shaft locking and releasing assembly and are symmetrically located at the lower outer side of the lining roller in a triangular shape; at least one end of the inflatable shaft is connected to a second cylinder and a sliding guide rail is arranged at the bottom, and it moves back and forth within a preset distance range along the cutting horizontal direction under the drive of the second cylinder.

7. The ultra-wide ultra-precision high-speed cutting unit according to claim 6, characterized in that: The air shaft locking and releasing assembly comprises a locking and releasing base, a third air cylinder, a locking and releasing movable plate, an air shaft clamp and a fourth air cylinder; The locking and releasing base and the third air cylinder are respectively fixedly arranged on the frame, and the piston rod of the third cylinder is transmission-connected to the zoom movable plate which moves up and down along the vertical guide rail on the locking and releasing base. One end of the inflatable shaft clamp is rotatably arranged on the locking and releasing movable plate via a transverse axis. A semicircular clamping groove for dragging and placing the inflatable shaft is provided on the top surface of the free end of the inflatable shaft clamp. The fourth cylinder is fixedly arranged on the inflatable shaft clamp and the piston rod is transmission-connected to a clamping block which is telescopic above the clamping groove.

8. The ultra-wide ultra-precision high-speed cutting unit according to any one of claims 4 to 7, characterized in that: The cutter blade has a thickness of 0.7 mm, a width of 23.6 mm and a length of 2700 mm.

9. The ultra-wide ultra-precision high-speed cutting unit according to claim 8, characterized in that: The frame comprises a frame bottom plate, frame side plates, a frame fixing plate and a cover shell.

10. An ultra-wide ultra-precision high-speed cutting production line, characterized in that: The invention is provided with at least two ultra-wide ultra-precision high-speed cutting units as described in any one of claims 1 to 9.

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