One-way prepreg tape splitting machine

Abstract

The invention discloses a one-way prepreg tape splitting machine, and relates to the technical field of prepreg tape splitting. Comprising an unwinding shaft arranged on a first mounting seat and used for fixing a prepreg roll; the cutter mechanism is mounted on the first mounting seat and is connected with a prepreg tape on the unwinding shaft through the traction deviation rectifying mechanism; the offcut winding mechanism is mounted on the first mounting seat, and the offcuts wind the two offcuts on the outermost side of the slitting belt cut by the cutter mechanism; the traction feeding mechanism is arranged on the first mounting seat, comprises at least one traction feeding unit and is used for performing traction feeding on the slitting belt slit by the cutter mechanism; a rolling mechanism is arranged on the second mounting seat, the rolling mechanism comprises at least one rolling assembly, the number of the rolling assemblies is the same as that of the traction feeding units, and the rolling assemblies are used for rolling each slitting belt slit by the cutter mechanism; the cutter mechanism, the rim charge winding mechanism, the traction feeding mechanism and the winding mechanism are all electrically connected with the control system.

Description

Technical Field

[0001] The invention relates to the technical field of prepreg tape slitting, and in particular to a unidirectional prepreg tape slitting machine. Background Art

[0002] The unidirectional prepreg tape slitting machine is used to slit thermosetting prepreg unidirectional tapes. The prepreg with a maximum width of 300mm is slit into multiple narrow tapes and rewound into yarn balls that can be used for automatic fiber placement or other processes. The equipment is a one-step process - slitting and directly rewinding into 18 reciprocating winding yarn balls.

[0003] With the vigorous development of modern industry, the application of composite materials has become more and more extensive. Among them, carbon fiber prepreg is divided into three layers, namely release paper layer, prepreg layer and film layer. Automatic fiber placement technology is a key technology for forming complex curved surfaces. It has high forming efficiency and reliable quality of formed components. It has been widely used in high-tech fields such as aviation and aerospace. The automatic fiber placement machine uses narrow-strip prepreg and has high requirements on the dimensional accuracy and edge of the prepreg in the width direction. Summary of the invention

[0004] To this end, an embodiment of the present invention provides a unidirectional prepreg tape slitting machine to solve the problems existing in the above-mentioned technology.

[0005] In order to achieve the above purpose, the embodiment of the present invention provides the following technical solutions:

[0006] A unidirectional prepreg tape slitting machine, comprising:

[0007] A first mounting seat, wherein a reel-off shaft is provided on the first mounting seat for fixing the prepreg roll;

[0008] A cutter mechanism, the cutter mechanism is mounted on the first mounting seat, the cutter mechanism is connected to the prepreg tape on the unwinding shaft through a traction and correction mechanism, and the cutter mechanism cuts the prepreg tape into a plurality of narrow slit tapes;

[0009] A side material reeling mechanism, the side material reeling mechanism is mounted on the first mounting seat, and the side material reels the two outermost side materials of the slit tape cut by the cutting mechanism;

[0010] A traction feeding mechanism, which is arranged on the first mounting seat and includes at least one traction feeding unit, which is used to traction feed the slit tape slit by the cutting mechanism;

[0011] It also includes a second mounting seat, on which a winding mechanism is arranged, the winding mechanism includes at least one winding assembly, and the number of the winding assemblies is the same as the number of the traction and feeding units, and is used to wind up each slit tape slit by the cutting mechanism;

[0012] The control system, the cutting mechanism, the edge material winding mechanism, the traction feeding mechanism and the winding mechanism are all electrically connected to the control system.

[0013] Optionally, the traction and deviation correction mechanism includes a main frame, a vertical plate is vertically arranged on the main frame and fixedly connected to the vertical plate, and the main frame and the vertical plate are both fixedly connected to the first mounting seat;

[0014] A deflection correction frame plate is arranged on one side of the vertical plate, the deflection correction frame plate is arranged at a distance from the vertical plate, a deflection correction moving mechanism is arranged between the deflection correction frame plate and the vertical plate, the deflection correction moving mechanism is connected to a servo cylinder, and the servo cylinder is driven by a servo motor to drive the deflection correction moving mechanism to drive the deflection correction frame plate to move closer to or away from the vertical plate;

[0015] The unwinding shaft is arranged on the side of the deflection correction frame plate away from the vertical plate, the unwinding shaft is rotatably connected with the deflection correction frame plate, an unwinding motor is arranged on the side of the deflection correction frame plate close to the vertical plate, the unwinding motor is fixedly connected with the deflection correction frame plate, and a through hole adapted to the unwinding motor is opened on the vertical plate;

[0016] A first traction roller is arranged on the deflection correction frame plate, one end of the first traction roller is rotatably connected to the deflection correction frame plate, a mounting seat is arranged on the other end of the first traction roller, the end of the first traction roller passes through the mounting seat, and the center of the first traction roller in the length direction is aligned with the center of the unwinding shaft in the length direction, a second traction roller is arranged above the first traction roller, one end of the second traction roller is rotatably connected to the vertical plate, and the other end of the second traction roller is rotatably connected to the mounting seat, a third traction roller is arranged above the unwinding shaft, one end of the third traction roller is rotatably connected to the vertical plate, and the other end of the third traction roller is rotatably connected to the mounting seat, and the third traction roller is an active roller.

[0017] Optionally, a film peeling mechanism is provided on a side of the unwinding shaft away from the deviation correction traction mechanism;

[0018] The film peeling mechanism comprises a first film peeling roller and a second film peeling roller, wherein the first film peeling roller and the second film peeling roller are arranged on one side of the unwinding shaft, and the first film peeling roller and the second film peeling roller are both rotatably connected to the first mounting seat;

[0019] The first film peeling roller and the film on the outside of the prepreg tape on the unwinding shaft, the film on the inside of the prepreg tape are connected to the second film peeling roller along with the tape through the first traction roller, the second traction roller and the third traction roller in sequence, and the second film peeling roller and the first film peeling roller respectively wind up the films on the inside and outside of the prepreg tape.

[0020] Optionally, the cutter mechanism is mounted on a base, and the mounting base is mounted on a first mounting base;

[0021] A cutter frame, the cutter frame is fixedly connected to the top of the mounting base;

[0022] A lower knife assembly, wherein the lower knife assembly is fixedly mounted on the cutter frame and is located at the lower side of the cutter frame;

[0023] An upper knife assembly, wherein the upper knife assembly is mounted on the cutter frame through a lifting mechanism, and the upper knife assembly is arranged above the lower knife assembly;

[0024] The pressure monitoring component includes a pressure sensor, an upper support plate and a lower support plate. The upper support plate is connected to the lifting mechanism, and the lower support plate is connected to the upper knife assembly. The pressure sensor is arranged between the upper support plate and the lower support plate. The pressure of the upper support plate on the lower support plate detected by the pressure sensor is the pressure of the upper knife assembly on the lower knife assembly.

[0025] Optionally, the upper knife assembly includes an upper knife shaft, an upper knife blade and a first fixer;

[0026] Two connecting plates are vertically arranged on both sides of the bottom of the lower support plate extending downward, the connecting plates are fixedly connected to the lower support plate, the two ends of the upper knife shaft are rotatably connected to the two connecting plates, the first fixture is sleeved and fixedly connected to the upper knife shaft, and the upper blade is arranged on the first fixture;

[0027] The lower knife assembly includes a lower knife shaft, a lower blade and a second fixer;

[0028] The two ends of the lower knife shaft are rotatably connected to the vertical plates on both sides, the second fixer is sleeved and fixedly connected to the lower knife shaft, and the lower blade is arranged on the second fixer.

[0029] Optionally, the upper blade is arranged on the first fixture, and the upper blade is provided with a plurality of blades, the plurality of blades are arranged at equal intervals, and the intervals between the plurality of blades are consistent with the intervals between the slitting belts.

[0030] Optionally, the edge material winding mechanism comprises a first edge material roller and a second edge material roller, and the first edge material roller and the second edge material roller are both rotatably connected to the first mounting seat;

[0031] The first edge material roller is connected to one of the outer edge materials of the prepreg tape after slitting, and the second edge material roller is connected to the other outer edge material of the prepreg tape after slitting, and the two outer edge materials of the prepreg tape are respectively rolled up.

[0032] Optionally, the traction feeding mechanism further comprises a first feeding roller, the first feeding roller is on the same horizontal plane as the cutting planes of the upper blade and the lower blade, and the first feeding roller is mounted on a first mounting seat;

[0033] The traction feeding unit comprises a second feeding roller and a third feeding roller, wherein the second feeding roller and the third feeding roller are both mounted on the first mounting seat, the second feeding roller is placed above the third feeding roller, and the axes of the second feeding roller and the third feeding roller are in the same vertical plane;

[0034] The first feeding roller, the second feeding roller and the third feeding roller are all provided with limiting grooves matched with the slitting belt.

[0035] Optionally, the winding assembly includes a horizontally arranged material dividing roller and a plurality of winding units, and the number of the winding units is the same as the number of the slit material strips;

[0036] The plurality of winding units are arranged on the second mounting seat in a horizontal line, the material dividing roller is mounted on the second mounting seat and is placed at the front end of the first winding unit, and the material dividing roller is used to receive the material belt conveyed by the traction feeding unit;

[0037] The winding unit comprises a first steering roller, which is arranged in a vertical direction, and a connecting line between the first steering roller and the material dividing roller is parallel to a surface of a second mounting seat, a second steering roller is arranged on the second mounting seat, and the second steering roller is arranged in a vertical direction, and a winding roller is arranged on the second mounting seat in a horizontal direction, and one of the slit material strips on the material dividing roller is connected to the winding roller by passing through the first steering roller and the second steering roller in sequence;

[0038] A plurality of winding units sequentially wind up one of the slit material strips on the material separation roller;

[0039] A laminating mechanism is arranged on one side of each of the winding units.

[0040] Optionally, the laminating mechanism includes a laminating roller for installing a film roll, a third steering roller is arranged on one side of the laminating roller in the horizontal direction, a fourth steering roller is arranged above the third steering roller in the horizontal direction, and the third steering roller and the fourth steering roller are arranged vertically, and the second mounting seat is also provided with a fifth steering roller in the vertical direction, the film on the laminating roller bypasses the third steering roller, the fourth steering roller and the fifth steering roller in sequence and is connected to the winding roller, and the film is placed below the slitting material strip on the winding roller, forming an inner and outer interlayer on the winding roller to cover the slitting material strip.

[0041] The present invention has at least the following beneficial effects:

[0042] The present invention unwinds the prepreg tape by arranging an unwinding shaft, and then a slitting mechanism performs slitting of the tape. Meanwhile, a deviation correction mechanism is provided to perform deviation correction to avoid uneven slitting caused by deviation of the tape. The slit tape after slitting by the slitting mechanism is towed by multiple traction and feeding units, and then is reeled by multiple reeling assemblies, thereby improving the automation degree and processing efficiency of prepreg slitting. Cutting accuracy is ensured through processes such as unwinding, deviation correction, pulling, slitting, laminating and rewinding. BRIEF DESCRIPTION OF THE DRAWINGS

[0043] In order to more clearly explain the prior art and the present invention, the following briefly introduces the drawings required for describing the prior art and the embodiments of the present invention. Obviously, the drawings described below are only exemplary, and for those of ordinary skill in the art, other drawings can be derived from the provided drawings without creative work.

[0044] The structures, proportions, sizes, etc. illustrated in this specification are only used to match the contents disclosed in the specification so that people familiar with this technology can understand and read them. They are not used to limit the conditions under which the present invention can be implemented. Any structural modification, change in proportion or adjustment of size should still fall within the scope of the technical contents disclosed in the present invention without affecting the effects and purposes that can be achieved by the present invention.

[0045] Figure 1 A schematic diagram of a first viewing angle structure of an embodiment of the present invention;

[0046] Figure 2 A schematic diagram of a second viewing angle structure of an embodiment of the present invention;

[0047] Figure 3 This is a schematic structural diagram of a traction and deviation-correcting mechanism according to an embodiment of the present invention from a third viewing angle;

[0048] Figure 4 This is a schematic structural diagram of a traction and deviation-correcting mechanism according to an embodiment of the present invention from a fourth viewing angle;

[0049] Figure 5 A fifth perspective structural diagram of a traction and deviation correction mechanism according to an embodiment of the present invention

[0050] Figure 6 A schematic diagram of the structure of a cutter mechanism according to an embodiment of the present invention from a sixth viewing angle;

[0051] Figure 7 It is a schematic structural diagram of a cutting mechanism according to an embodiment of the present invention from a seventh viewing angle;

[0052] Figure 8 It is a schematic structural diagram of a cutter mechanism according to an embodiment of the present invention from an eighth viewing angle;

[0053] Fig. 9 A schematic diagram of an upper blade installation structure according to an embodiment of the present invention;

[0054] Fig.10 This is a schematic diagram of a material feeding circuit (front view) on a first mounting seat according to an embodiment of the present invention;

[0055] Fig.11 This is a schematic diagram of a material feeding circuit (front view) on a second mounting seat according to an embodiment of the present invention;

[0056] Fig.12 This is a schematic diagram of the material feeding route (top view) on the second mounting seat according to an embodiment of the present invention.

[0057] Description of reference numerals:

[0058] 1. First mounting seat; 2. Second mounting seat; 3. Main frame; 4. First vertical plate; 5. Correction frame plate; 6. Correction moving mechanism; 7. Unwinding shaft; 8. Unwinding motor; 9. First traction roller; 10. Second traction roller; 11. Third traction roller; 12. Third mounting seat; 13. Correction sensor; 14. Traction motor; 15. Support rod; 16. Mounting base; 17. Cutter frame; 18. Second vertical plate; 19. Top plate; 20. Lower knife assembly; 21. Lower knife shaft; 22. Lower blade; 23. Second fixer; 24. Second knife shaft support; 25. Second pin shaft; 26. Second cylinder; 27. Upper knife assembly; 28. Upper knife shaft; 29. ​​Upper blade; 30. First fixer; 31. Connecting plate; 32. First knife shaft support; 33. First pin shaft; 34 , the first cylinder; 35, the pressure monitoring component; 36, the pressure sensor; 37, the upper support plate; 38, the lower support plate; 39, the lifting mechanism; 40, the threaded rod; 41, the connecting rod; 42, the guide rod; 43, the guide sleeve; 44, the sliding seat; 45, the adjustment plate; 46, the top screw; 47, the slot; 48, the spring plate; 49, the spring structure; 50, the hand wheel; 51, the protective plate; 52, the door panel; 53, the first film peeling roller; 54, the second film peeling roller; 55, the first edge material roller; 56, the second edge material roller; 57, the first feeding roller; 58, the second feeding roller; 59, the third feeding roller; 60, the dividing roller; 61, the first steering roller; 62, the second steering roller; 63, the winding roller; 64, the laminating roller; 65, the third steering roller; 66, the fourth steering roller; 67, the fifth steering roller. DETAILED DESCRIPTION

[0059] In order to make the purpose, technical solution and advantages of the present application more clearly understood, the present application is further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the present application and are not used to limit the present application.

[0060] In the description of the present invention, unless otherwise specified, "plurality" means two or more. The terms "first", "second", "third", "fourth", etc. (if any) in the specification and claims of the present invention and the above-mentioned drawings are intended to distinguish the objects referred to. For schemes with a sequential flow, this terminology does not have to be understood as describing a specific order or sequence. For schemes with device structures, this terminology does not distinguish between importance, positional relationships, etc.

[0061] In addition, the terms "comprises", "has" and any variations thereof are intended to cover non-exclusive inclusions. For example, a process, method, system, product or apparatus that includes a series of steps or units is not necessarily limited to those steps or units that have been explicitly listed, but may also include other steps or units that are not explicitly listed but are inherent to these processes, methods, products or apparatuses, or steps or units that are added based on further optimization schemes conceived by the present invention.

[0062] like Figure 1-Figure 12 As shown, a unidirectional prepreg tape slitting machine disclosed in the present invention comprises:

[0063] A first mounting seat 1, on which a reel 7 is provided for fixing the prepreg roll;

[0064] A cutter mechanism, the cutter mechanism is mounted on the first mounting seat 1, the cutter mechanism is connected to the prepreg tape on the unwinding shaft 7 through a traction and correction mechanism, and the cutter mechanism cuts the prepreg tape into a plurality of narrow slit tapes;

[0065] A side material reeling mechanism, the side material reeling mechanism is mounted on the first mounting seat 1, and the side material reels the two outermost side materials of the slit tape cut by the cutting mechanism;

[0066] A traction feeding mechanism, which is arranged on the first mounting seat 1 and includes at least one traction feeding unit for traction feeding the slit tape slit by the cutting mechanism;

[0067] It also includes a second mounting seat 2, on which a winding mechanism is arranged, the winding mechanism includes at least one winding assembly, and the number of the winding assemblies is the same as the number of the traction and feeding units, and is used to wind up each slit tape slit by the cutting mechanism;

[0068] The control system, the cutting mechanism, the edge material winding mechanism, the traction feeding mechanism and the winding mechanism are all electrically connected to the control system.

[0069] The first mounting seat 1 and the second mounting seat 2 are used as the main structure of the slitting machine. The two mounting seats are installed on the ground, and one of the side surfaces of the two mounting seats is in the same vertical plane. The unwinding shaft 7, the traction correction mechanism, the cutter mechanism, the edge material winding mechanism and the traction feeding mechanism are installed on the side surface of the first mounting seat; the winding mechanism is installed on the side surface of the second mounting seat 2;

[0070] The unwinding shaft 7 is an air expansion shaft, and the air expansion shaft unwinding can adapt to the rolls with inner diameters of 3 inches and 10 inches. The maximum outer roll diameter is 700mm, and the maximum prepreg width is 300mm. The servo motor drive system is adopted. The unwinding tension and speed control of the prepreg tape is an automatic closed-loop system. The control system of the device is equipped with a sensor for measuring the diameter of the prepreg masterbatch roll, and the sensor information is integrated into the control loop algorithm. With this function, the system can ensure constant and precise unwinding conditions. The tension adjustment range is 2-6 Newtons / cm ±5%, and the value is displayed on the control system human-machine interface and recorded in the QCS quality control system.

[0071] The above control system controls various functions of the movement required for slitting and rewinding, and is composed of PLC, touch screen, control cabinet, electrical components and data monitoring system. The main control functions include: unwinding control, splicing material temperature control, deviation correction control, film laminating and film rewinding control, running speed control, rewinding mode control, etc. The various parameters and alarm information in the production process are stored and recorded through the industrial computer and configuration software. The operation interface is friendly.

[0072] Laser-assisted material adjustment is also provided: this function is integrated into the machine as a laser guidance system to help the operator accurately position the prepreg tape master roll. Through better positioning of the master roll, the accuracy of the slitting process is improved. Unnecessary large trimming widths caused by inaccurate positioning of the master roll are eliminated.

[0073] In a further specific embodiment, the traction correction mechanism includes a main frame 3, a first vertical plate 4 is vertically arranged on the main frame 3 and fixedly connected thereto, and both the main frame 3 and the first vertical plate 4 are fixedly connected to the first mounting seat 1;

[0074] A deflection correction frame plate 5 is provided on one side of the first vertical plate 4, and the deflection correction frame plate 5 is spaced apart from the first vertical plate 4. A deflection correction moving mechanism 6 is provided between the deflection correction frame plate 5 and the first vertical plate 4, and the deflection correction moving mechanism 6 is connected to a servo cylinder. The servo cylinder is driven by a servo motor to drive the deflection correction moving mechanism 6 to drive the deflection correction frame plate 5 to move closer to or away from the first vertical plate 4;

[0075] The unwinding shaft 7 is arranged on the side of the deflection correction frame plate 5 away from the first vertical plate 4, and the unwinding shaft 7 is rotatably connected to the deflection correction frame plate 5. The side of the deflection correction frame plate 5 close to the first vertical plate 4 is provided with an unwinding motor 8, and the unwinding motor 8 is fixedly connected to the deflection correction frame plate 5. A through hole adapted to the unwinding motor 8 is opened on the first vertical plate 4;

[0076] A first traction roller 9 is arranged on the deflection correction frame plate 5, one end of the first traction roller 9 is rotatably connected to the deflection correction frame plate 5, a third mounting seat 12 is arranged on the other end of the first traction roller 9, the end of the first traction roller 9 passes through the third mounting seat 12, and the center of the first traction roller 9 in the length direction is aligned with the center of the unwinding shaft 7 in the length direction, a second traction roller 10 is arranged above the first traction roller 9, one end of the second traction roller 10 is rotatably connected to the first vertical plate 4, and the other end of the second traction roller 10 is rotatably connected to the third mounting seat 12, a third traction roller 11 is arranged above the unwinding shaft 7, one end of the third traction roller 11 is rotatably connected to the first vertical plate 4, and the other end of the third traction roller 11 is rotatably connected to the third mounting seat 12, and the third traction roller 11 is an active roller.

[0077] The above-mentioned unwinding and correcting device is mainly supported by a frame and a first vertical plate 4. The unwinding device is integrally installed on a movable correction reference plate. The correcting device adopts a servo motor and a high-precision servo cylinder to cooperate with a point circular shaft to slide and move, thereby improving the load-bearing and correction accuracy.

[0078] Main frame 3: Provides support and protection for the entire system.

[0079] Unwinding device: connected to the output end of the release paper winding device, used to actively unwind the prepreg, using a standard air expansion shaft, which can quickly replace the material roll.

[0080] Servo motor controlled deviation correction device: As a deviation correction mechanism, it has high control accuracy, stepless regulation, and fast response, and can cope with position changes during the unwinding process. The moving shaft is connected to the servo motor, and according to the instructions of the deviation correction sensor 13, the axial position of the prepreg is adjusted so that the prepreg sheet can quickly return to the original track when it deviates from the normal winding track.

[0081] Moving axis: connected to the servo motor, axially adjusts the position of the prepreg according to the instructions uploaded to the control cabinet by the deviation correction sensor 13.

[0082] Deviation correction sensor 13: It is arranged behind the steering wheel, surrounds the prepreg without contact, and is used to detect the deviation of the prepreg. A deviation correction sensor 13 is arranged on one side of the first traction roller 9 in the moving direction of the prepreg, and is used to detect the deviation of the prepreg.

[0083] The deviation correction sensor 13 is a sensor that does not contact the semi-surrounding prepreg.

[0084] The third traction roller 11 passes through the first vertical plate 4 . A traction motor 14 is provided on one side of the third traction roller 11 passing through the first vertical plate 4 to drive the third traction roller 11 to rotate.

[0085] The deviation correction moving mechanism 6 includes a plurality of moving shafts, which are fixedly connected between the deviation correction frame plate 5 and the first vertical plate 4, and the moving shafts penetrate the first vertical plate 4, and are slidably connected to the first vertical plate 4;

[0086] One of the moving axes is connected to the output end of the servo cylinder.

[0087] A support rod 15 is disposed between the third mounting seat 12 and the first vertical plate 4 , and two ends of the support rod 15 are fixedly connected to the first vertical plate 4 and the third mounting seat 12 , respectively.

[0088] The deflection correction sensor 13 is electrically connected to the servo motor, and the servo motor controls the moving shaft and the deflection correction frame plate 5 to perform deflection correction according to the sensing signal of the deflection correction sensor 13 .

[0089] The feeding part of the present invention includes a main frame 3, a first vertical plate 4, a correction frame plate 5, a correction moving mechanism 6, a servo cylinder, an unwinding shaft 7, an unwinding motor 8, a first traction roller 9, a third mounting seat 12, a second traction roller 10, and a third traction roller 11.

[0090] The first vertical plate 4 and the deviation-correcting frame plate 5 form a placement rack and are fixedly mounted on the first mounting seat 1 .

[0091] First, the prepreg starts from the unwinding shaft 7, and passes through the first traction roller 9, the second traction roller 10 and the third traction roller 11 in turn from the bottom of the placement frame. The third traction roller 11 serves as an active traction roller to drive the prepreg to unwind. A movable pressing roller is arranged above the third traction roller 11.

[0092] During operation, the prepreg may deviate during movement due to various reasons. At this time, the deviation signal is detected by the correction sensor 13 and the signal is fed back to the servo motor; at this time, the servo motor drives the movable axis that can move left and right to drive the correction frame plate 5 to move closer to or away from the first vertical plate 4; the deviation problem of the prepreg is effectively corrected.

[0093] The effects of the above-mentioned correction mechanism are:

[0094] The unwinding correction device can monitor and adjust the offset of the prepreg in real time to ensure that the prepreg always maintains the correct position during the slitting process, thereby improving the slitting accuracy.

[0095] The deviation correction device can quickly respond to and adjust the position changes of the prepreg, reduce production interruptions caused by position deviation, and improve production efficiency.

[0096] Through precise deviation correction and tension control, material waste caused by position deviation and unstable tension can be reduced and material utilization rate can be improved.

[0097] Ensure stable tension: Through the tension detection sensor and the main drive unwinding device in combination with the roll diameter measurement, the algorithm designed inside the PLC is used to effectively control the stability of the tension and improve the degree of automation.

[0098] In addition, a heating splicing device is provided between the second traction roller 10 and the third traction roller 11, which is dedicated to producing a larger reciprocating winding yarn package on the yarn package winding station. The splicing section is equipped with a splicing table with a clamp. The clamp is driven by a cylinder. The clamp fixes the old and new prepreg tapes to accurately splice and apply pressure at the splicing position. The temperature adjustment range of the splicing table is 60℃-100℃±3℃.

[0099] A film peeling mechanism is provided on the side of the unwinding shaft 7 away from the deviation correction and traction mechanism;

[0100] Furthermore, the film peeling mechanism includes a first film peeling roller 53 and a second film peeling roller 54, the first film peeling roller 53 and the second film peeling roller 54 are arranged on one side of the unwinding shaft 7, and the first film peeling roller 53 and the second film peeling roller 54 are both rotatably connected to the first mounting seat 1;

[0101] The first film peeling roller 53 and the film on the outer side of the prepreg tape on the unwinding shaft 7, and the film on the inner side of the prepreg tape are connected to the second film peeling roller 54 along with the tape passing through the first traction roller 9, the second traction roller 10 and the third traction roller 11 in sequence. The second film peeling roller 54 and the first film peeling roller 53 respectively wind up the films on the inner and outer sides of the prepreg tape.

[0102] The prepreg tape has a three-layer structure, which is divided into a release paper layer, a prepreg layer and a film layer. The prepreg layer is located between the release paper layer and the film layer. When the prepreg tape is cut, the films on both sides need to be separated. The first film peeling roller 53 is connected to the outer film of the prepreg tape to separate the outer film from the prepreg layer. Then, when the prepreg tape is conveyed to the third traction roller 11, the second film peeling roller 54 separates the inner film from the bottom of the prepreg tape, and then the prepreg layer of the prepreg tape enters the cutting knife structure for cutting.

[0103] In a further embodiment, the cutter mechanism is mounted on a base 16, and the mounting base 16 is mounted on the first mounting base 1;

[0104] A cutter frame 17, wherein the cutter frame 17 is fixedly connected to the top of the mounting base 16;

[0105] A lower knife assembly 20, wherein the lower knife assembly 20 is fixedly mounted on the cutter frame 17, and the lower knife assembly 20 is located at the lower side of the cutter frame 17;

[0106] An upper knife assembly 27, wherein the upper knife assembly 27 is mounted on the cutter frame 17 via a lifting mechanism 39, and the upper knife assembly 27 is disposed above the lower knife assembly 20;

[0107] The pressure monitoring component 35 includes a pressure sensor 36, an upper support plate 37 and a lower support plate 38. The upper support plate 37 is connected to the lifting mechanism 39, and the lower support plate 38 is connected to the upper knife assembly 27. The pressure sensor 36 is arranged between the upper support plate 37 and the lower support plate 38. The pressure of the upper support plate 37 on the lower support plate 38 detected by the pressure sensor 36 is the pressure of the upper knife assembly 27 on the lower knife assembly 20.

[0108] The upper blade assembly 27 includes an upper blade shaft 28, an upper blade 29 and a first fixer 30;

[0109] Two connecting plates 31 are vertically provided on both sides of the bottom of the lower support plate 38 extending downward, and the connecting plates 31 are fixedly connected to the lower support plate 38. Both ends of the upper blade shaft 28 are rotatably connected to the two connecting plates 31. The first fixture 30 is sleeved and fixedly connected to the upper blade shaft 28, and the upper blade 29 is arranged on the first fixture 30.

[0110] The lower blade assembly 20 includes a lower blade shaft 21, a lower blade 22 and a second fixture 23;

[0111] The two ends of the lower blade shaft 21 are rotatably connected to the second vertical plates 18 on both sides. The second fixture 23 is sleeved and fixedly connected to the lower blade shaft 21 . The lower blade 22 is arranged on the second fixture 23 .

[0112] The upper blade 29 is disposed on the first fixture 30 and is provided with a plurality of blades. The plurality of blades are arranged at equal intervals, and the intervals between the plurality of blades are consistent with the intervals between the slitting tapes.

[0113] The above-mentioned mounting base 16 provides support and protection for the entire device. The mounting base 16 is mounted and fixed on the first mounting base 1. The cutter frame 17 is fixedly mounted on the mounting base 16. It can be fixed by welding or bolting. Specifically, the cutter frame 17 includes two second vertical plates 18. The two second vertical plates 18 are vertically fixed on the top of the mounting base 16, and the two second vertical plates 18 are arranged in parallel. The upper knife assembly 27 and the lower knife assembly 20 are installed between the two second vertical plates 18. The tops of the two second vertical plates 18 are connected and fixed by a top plate 19. A lifting mechanism 39 is set on the top of the top plate 19 and the outer sides of the two second vertical plates 18. The lifting mechanism 39 is used to drive the upper knife assembly 27 to move up and down;

[0114] In the process of adjusting the upper knife assembly 27 up and down, it is necessary to avoid excessive pressure between the upper knife assembly 27 and the lower knife assembly 20 to cause the upper knife to break. A pressure monitoring assembly 35 is set to detect the pressure between the upper knife assembly 27 and the lower knife assembly 20 in real time. In a specific embodiment, the pressure monitoring assembly 35 is an upper support plate 37 and a lower support plate 38 arranged at intervals. The upper support plate 37 is connected to the lifting mechanism 39, and the lower support plate 38 is connected to the upper knife assembly 27. The pressure sensor 36 is arranged between the upper support plate 37 and the lower support plate 38. During the lifting and lowering process of the mechanism 39, after the upper knife assembly 27 contacts the lower knife assembly 20, the lifting mechanism 39 will drive the upper support plate 37 to press down the lower support plate 38, and at the same time, the upper knife assembly 27 presses down the lower knife assembly 20. At this time, the pressure on the upper knife assembly 27 is the pressure of the upper support plate 37 on the lower support plate 38. Therefore, the pressure detected by the pressure sensor 36 is the pressure on the upper knife assembly 27. According to the pressure detected by the pressure sensor 36, the lifting distance of the lifting mechanism 39 is adjusted to prevent the upper knife assembly 27 from being broken due to excessive pressure.

[0115] In a further embodiment, the lifting mechanism 39 includes two groups of worm gear assemblies arranged on the top of the top plate 19, the worm is arranged horizontally and rotatably connected to the top of the top plate 19, and the two worms are coaxially connected and fixed by a connecting rod 41, the worm wheel is rotatably connected to the top plate 19, a threaded rod 40 is inserted through the worm wheel, the worm is threadedly connected to the threaded rod 40, the threaded rod 40 passes through the top plate 19, guide rods 42 are arranged between the two sides of the top plate 19 and the mounting base 16, guide sleeves 43 are slidably sleeved on the guide rods 42, the threaded rod 40 passes through the top plate 19 and is placed on the bottom of one side of the bottom of the top plate 19 and is rotatably connected to a sliding seat 44, and the sliding seat 44 is fixedly connected to the sliding sleeve;

[0116] Both ends of the upper support plate 37 are fixedly connected to the sliding seats 44 on both sides.

[0117] The lifting mechanism 39 is provided with a worm gear drive structure. Two sets of worm gear mechanisms are provided on the top plate 19. The upper knife assembly 27 is lifted and lowered from both sides of the upper knife assembly 27, and the lifting and lowering are more stable. The turbine worm mechanism uses a worm to drive the worm wheel. The two worms are connected as a whole by a connecting rod 41 and rotate at the same time. A hand wheel 50 is connected to one of the worms for easy operation. The worm is installed on the top plate 19 and is rotatably connected to the top plate 19 through a bearing. A threaded rod 40 is inserted at the axis of the worm wheel. The threaded rod 40 is threadedly connected to the worm wheel. The threaded rod 40 passes through the worm wheel and the top plate 19 and is placed below the top plate 19. Then, two sets of guide rods 42 are installed between the top plate 19 and the mounting base 16. The two ends of the guide rods 42 are fixed, and guide sleeves 43 are sleeved on the guide rods 42. The guide sleeves 43 can slide up and down on the guide rods 42. A sliding seat 44 is set between the two guide sleeves 43. The sliding seat 44 and the guide sleeve 43 are fixed as a whole and slide at the same time. The threaded rod 40 passes through the top plate 19 and is fixedly connected to the sliding seat 44. Through the rotation of the worm gear, the threaded rod 40 can slide up and down on the top plate 19, and the upper support plate 37 is fixedly connected to the sliding seat 44, so that the upper knife assembly 27 can be driven to slide up and down at the same time, thereby realizing the lifting and lowering of the upper knife assembly 27.

[0118] In a further embodiment, the upper knife assembly 27 includes an upper knife shaft 28, an upper blade 29 and a first holder 30;

[0119] Two connecting plates 31 are vertically extended downward on both sides of the bottom of the lower support plate 38, and the connecting plates 31 are fixedly connected to the lower support plate 38. The two ends of the upper knife shaft 28 are rotatably connected to the two connecting plates 31. The first fixer 30 is sleeved and fixedly connected to the upper knife shaft 28, and the upper blade 29 is set on the first fixer 30.

[0120] A first knife shaft support 32 is provided inwardly extending from one side of the two connecting plates 31 close to each other. An arc-shaped groove is provided on the first knife shaft support 32 for supporting the upper knife shaft 28, and the axis of the groove is lower than the rotation axis of the knife shaft.

[0121] Both ends of the upper blade shaft 28 are provided with first pin shafts 33, one of which passes through the connecting plate 31 and is rotatably connected to the connecting plate 31; the other first pin shaft 33 passes through the connecting plate 31, and one end of the other first pin shaft 33 disposed outside the connecting plate 31 is provided with a first cylinder 34, the first cylinder 34 is fixedly connected to the connecting plate 31, and the output end of the first cylinder 34 is coaxially fixedly connected to the first pin shaft 33, both ends of the upper blade shaft 28 are provided with first pin holes, and the end of the first pin shaft 33 close to the upper blade shaft 28 is provided with a conical structure;

[0122] When the upper cutter shaft 28 is placed on the first cutter shaft seat, the horizontal position of the tip of the conical structure of the first pin shaft 33 corresponds to the first pin hole.

[0123] The upper blade assembly 27 is installed in a detachable manner by assembling the upper blade 29 and the fixer into a whole and then installing it on the upper blade shaft 28;

[0124] The specific installation method is that vertical downward connecting plates 31 are arranged on both sides of the bottom of the lower support plate 38, and then the two connecting plates 31 are extended to the side close to each other to arrange a first knife shaft support 32, and the first knife shaft support 32 is used to support the upper knife assembly 27. In a specific embodiment, an arc-shaped groove can be opened on the first knife shaft support 32, and the arc-shaped groove is adapted to the size of the upper knife shaft 28, and the height of the first knife shaft support 32 is slightly lower than the height of the rotating shaft of the upper knife shaft 28 when it is running. A first pin shaft 33 is arranged on both sides of the connecting plate 31, and the first pin shaft 33 passes through the connecting plate 31. Correspondingly, a first pin hole is opened at both ends of the upper knife shaft 28 for inserting Cooperate with the first pin shaft 33; specifically, the first pin shaft 33 passes through the connecting plate 31, and the first cylinder 34 is arranged on the outer side of the connecting plate 31, the main body of the first cylinder 34 is fixed on the connecting plate 31, and the output end of the first cylinder 34 is coaxially fixedly connected with the first pin shaft 33, so that under the drive of the first cylinder 34, the first pin shaft 33 can move toward the side of the upper knife shaft 28. For the convenience of cooperation, the front end of the first pin shaft 33 is set to a conical structure. In the process of the first pin shaft 33 approaching the upper knife shaft 28, the upper knife shaft 28 can be lifted from both ends through the conical structures at both ends until the first pin shaft 33 is completely inserted into the first pin hole, thereby completing the assembly of the upper knife shaft 28.

[0125] As for the lower knife assembly 20, the lower knife assembly 20 includes a lower knife shaft 21, a lower blade 22 and a second fixer 23;

[0126] Both ends of the lower blade shaft 21 are rotatably connected to the second vertical plates 18 on both sides. The second fixture 23 is sleeved and fixedly connected to the lower blade shaft 21 . The lower blade 22 is disposed on the second fixture 23 .

[0127] Two second cutter shaft supports 24 are symmetrically arranged at the top of the mounting base 16 and at positions corresponding to the lower cutter shaft 21. A groove matching the second fixture 23 is arranged at the top of the second cutter shaft supports 24 for supporting the second fixture 23. The axis of the groove is lower than the rotation axis of the lower cutter shaft 21.

[0128] Both ends of the lower cutter shaft 21 are provided with second pin shafts 25, one of the second pin shafts 25 penetrates the second vertical plate 18 and is rotatably connected to the second vertical plate 18, and a driving motor is arranged on the outer side of the second vertical plate 18; the other second pin shaft 25 penetrates the second vertical plate 18, and a second cylinder 26 is arranged on one end of the second vertical plate 18, the second cylinder 26 is fixedly connected to the second vertical plate 18, and the output end of the second cylinder 26 is coaxially fixedly connected to the second pin shaft 25, and both ends of the lower cutter shaft 21 are provided with second pin holes, and the end of the second pin shaft 25 close to the lower cutter shaft 21 is arranged in a conical structure;

[0129] When the second fixture 23 is placed on the second tool shaft seat, the horizontal position of the tip of the conical structure of the second pin shaft 25 corresponds to the inside of the second pin hole.

[0130] The lower knife assembly 20 mentioned above adopts the same assembly structure as the upper knife assembly 27. The lower knife shaft 21 is lifted from both ends by the tapered second pin shaft 25 to complete the assembly of the lower knife shaft 21, which will not be described in detail here.

[0131] In another embodiment, the lower support plate 38 is rotatably connected to the upper support plate 37 through the pressure sensor 36, and an adjustment plate 45 is provided on one side of the upper support plate 37 and the lower support plate 38. The adjustment plate 45 is fixedly connected to the upper support plate 37, and the inner side of the adjustment plate 45 is attached to the side of the lower support plate 38. A top screw 46 is provided on the outer side of the adjustment plate 45 at a position corresponding to the lower support plate 38.

[0132] In order to adjust the angle of the upper blade 29 after entering the lower blade 22, the lower support plate 38 is configured as a rotatable structure. An adjustment plate 45 is provided between the upper support plate 37 and the lower support plate 38. The top of the adjustment plate 45 is fixed on the upper support plate 37, and a top screw 46 is provided at a position corresponding to the adjustment plate 45 and the lower support plate 38. By rotating the top screw 46, the lower support plate 38 is driven to rotate around the upper support plate 37, thereby driving the upper knife assembly 27 connected to the lower support plate 38 to rotate, and the upper blade 29 of the upper knife assembly 27 is fine-tuned, generally 1°-2°.

[0133] Furthermore, the first fixture 30 is provided with slots 47 at intervals, the upper blade 29 is disposed in the slots 47 , a spring 48 is disposed on the outer side of the slots 47 , and a spring structure 49 is disposed in the slots 47 .

[0134] The upper blade 29 is installed in the slot 47 and fixed by a spring plate 48. A spring structure 49 is set on the right side of the upper blade 29, so that the upper blade 29 can flexibly swing to a certain extent when subjected to force to prevent the blade from being damaged by excessive rigid docking force.

[0135] Protective plates 51 are arranged around the two second vertical plates 18, and the plurality of protective plates 51 are sequentially connected to form a shell-like structure. A through hole is opened on one of the protective plates 51 between the two second vertical plates 18, and a door plate 52 is hingedly arranged in the through hole;

[0136] The door panel 52 and the anti-slip plate are both made of transparent materials.

[0137] The slitter mechanism consists of several elements designed to precisely slit UD prepreg tapes into narrow slit tapes.

[0138] The width of the narrow strip is predetermined by the shear blade, which is precisely machined to a slitting width accuracy of + / -0.125mm. Standard slitting width: 6.35mm

[0139] The unidirectional prepreg tape slitting device can slit several narrow tapes of different widths, and can be easily adjusted to slit prepreg tapes of different widths by setting the appropriate blade.

[0140] Several narrow tapes of different widths can be slit and the slitting of prepreg tapes of different widths can be easily adjusted by setting the appropriate blade. For safety reasons, the slitting system is covered with a transparent PVC sheet with two doors, which are set on the front and rear sides, as the components inside the slitting system can be accessed.

[0141] The slitting device mainly includes: an upper knife shaft, a component for fixing the lower knife shaft, a component for fixing the upper knife shaft, an upper knife lifting device, an upper knife pressure system, an upper knife angle adjustment device, a bottom knife motion control mechanism, a protective device, and a dust suction device.

[0142] Slitting masterbatch roll width: maximum 300mm;

[0143] Slitting speed: 0~30m / min;

[0144] The blade is made of high chromium alloy steel, which is sharper and more wear-resistant.

[0145] The upper knife is divided into parts, which are assembled by the upper knife blade 29 and the fixing device and then installed on the knife shaft. The fixing device is designed with a spring plate 48, a groove and a spring device. When the upper knife blade 29 is installed on the fixing device and pressed down on the main shaft as a whole, each independent upper knife can independently make micro-adjustments according to the gap between the bottom knives.

[0146] A pressure sensor 36 is installed between the upper knife shaft 28 and the lifting device to detect the pressure when the upper knife is pressed down to the bottom knife.

[0147] The upper knife shaft 28 and the right side of the bottom knife shaft all use cylinders to automatically feed, clamp and fix the knife shaft, making replacement and positioning quick and convenient.

[0148] An actively operated servo motor is installed on the left side of the bed knife to control the slitting speed.

[0149] The upper cutter can be driven.

[0150] In a further embodiment, the edge material winding mechanism comprises a first edge material roller 55 and a second edge material roller 56, and the first edge material roller 55 and the second edge material roller 56 are both rotatably connected to the first mounting seat 1;

[0151] The first edge material roller 55 is connected to one of the outer edges of the prepreg tape after slitting, and the second edge material roller 56 is connected to the other outer edge material of the prepreg tape after slitting, respectively winding up the two outer edges of the prepreg tape.

[0152] The prepreg tape is cut into multiple cut tapes by a slitting knife, and the two outermost tapes are waste tapes. The two waste tapes are rolled up by the first edge material roller 55 and the second edge material roller 56. At the same time, the first mounting seat 1 is also provided with auxiliary rollers for cooperating with the first edge material roller 55 and the second edge material roller 56 for rolling up, which are respectively a steering auxiliary roller, and the two cut tapes are turned and pulled to the position above the first mounting seat 1, and then through a cutting auxiliary roller and two steering auxiliary rollers, the two waste tapes are divided into two directions after passing through the cutting auxiliary rollers, and are connected to the first edge material roller 55 and the second edge material roller 56 respectively along the two steering auxiliary rollers.

[0153] The edge material rewinding mechanism is used to rewind the edge material (the edge waste cut from both sides of the mother tape - two rewinders). The device is equipped with a motor-driven rewinding device - designed to rewind two edge materials. The working mode and parameters (tension) of this mechanism can be adjusted through the human-machine interface.

[0154] In a further specific embodiment, the traction feeding mechanism further includes a first feeding roller 57, the first feeding roller 57 is on the same horizontal plane as the cut surface of the upper blade 29 and the lower blade 22, and the first feeding roller 57 is mounted on the first mounting seat 1;

[0155] The traction feeding unit includes a second feeding roller 58 and a third feeding roller 59. The second feeding roller 58 and the third feeding roller 59 are both mounted on the first mounting seat 1. The second feeding roller 58 is placed above the third feeding roller 59, and the axes of the second feeding roller 58 and the third feeding roller 59 are in the same vertical plane.

[0156] The first feeding roller 57 , the second feeding roller 58 and the third feeding roller 59 are all provided with limiting grooves adapted to the slitting belt.

[0157] The function of this mechanism is to support the transmission of the slit tape to the next step of reciprocating yarn winding - the slit tape is transmitted and directly rewound onto the reciprocating winder.

[0158] The first feeding roller 57 of the above-mentioned traction feeding mechanism is used to receive multiple strips cut by the slitting knife. The first feeding roller 57 is provided with a corresponding number of limit grooves to limit the slitting strips. The specific setting of the traction feeding unit can be selected according to the number of slitting strips. At least one is set. The present application sets three. On the first mounting seat 1, the three traction feeding units are arranged at equal intervals in the vertical direction on the mounting surface.

[0159] And the first feed roller 57 can be provided with multiple ones according to the positions of the three traction feeding units to avoid interference with other material rollers. When there are three traction feeding units, the slit material strip is divided into three equal parts, which are respectively connected to the second feed roller 58 and the third feed roller 59 that bypass the three traction feeding units and then connected to the winding mechanism for winding.

[0160] Furthermore, the winding assembly includes a horizontally arranged material dividing roller 60 and a plurality of winding units, and the number of the winding units is the same as the number of the slit material strips;

[0161] The plurality of winding units are arranged on the second mounting seat 2 along a horizontal line, and the material separation roller 60 is installed on the second mounting seat 2 and placed at the front end of the first winding unit. The material separation roller 60 is used to receive the material belt conveyed by the traction feeding unit;

[0162] The winding unit includes a first steering roller 61, which is arranged in the vertical direction, and the connecting line between the first steering roller 61 and the material dividing roller 60 is parallel to the surface of the second mounting seat 2, and the second steering roller 62 is arranged on the second mounting seat 2, and the second steering roller 62 is arranged in the vertical direction. A winding roller 63 is arranged on the second mounting seat 2 in the horizontal direction, and one of the slit material strips on the material dividing roller 60 is connected to the winding roller 63 by passing through the first steering roller 61 and the second steering roller 62 in sequence;

[0163] A plurality of winding units sequentially wind up one of the slit material strips on the material separation roller 60;

[0164] A laminating mechanism is arranged on one side of each of the winding units.

[0165] The above-mentioned winding assembly is arranged on the second mounting seat 2, and the number of winding assemblies can be set according to the number of traction feeding units, and the two numbers are consistent. In this embodiment, three winding assemblies are set. The three winding assemblies are on the second mounting seat 2, corresponding to the position of the feeding traction unit on the first mounting seat 1, and each winding assembly includes a plurality of winding units, specifically 1 / 3 of the number of the divided material belts;

[0166] At the same time, three material dividing rollers 60 are also provided. After the slit material strip passes through the material dividing rollers 60, each material strip corresponds to a winding unit. Specifically:

[0167] The first strip of material on the material distribution roller 60 passes through the first steering roller 61 and the second steering roller 62 of the first winding unit in sequence, and then is connected to the winding roller 63 for winding;

[0168] At the same time, a winding tension control component is arranged between the second steering roller 62 and the winding roller 63. By setting two winding tension rollers in fixed positions and a movable tension adjustment roller between the two winding tension rollers, after the material strip passes through the second steering roller 62, it first bypasses the first winding tension roller, then bypasses the tension adjustment roller, passes through the second winding tension roller, and then adjusts the position of the material strip through the auxiliary roller, and finally connects to the winding roller 63 for winding.

[0169] In a further embodiment, the laminating mechanism includes a laminating roller 64 for installing a film tube, a third steering roller 65 is arranged on one side of the laminating roller 64 in the horizontal direction, a fourth steering roller 66 is arranged above the third steering roller 65 in the horizontal direction, and the third steering roller 65 and the fourth steering roller 66 are arranged vertically, and the second mounting seat 2 is also provided with a fifth steering roller 67 in the vertical direction, the film on the laminating roller 64 bypasses the third steering roller 65, the fourth steering roller 66 and the fifth steering roller 67 in sequence and is connected to the winding roller 63, and the film is placed below the slitting material strip on the winding roller 63, forming an inner and outer interlayer covering the slitting material strip on the winding roller 63.

[0170] By setting up a film coating mechanism, when the winding roller 63 is winding the material strip, a film is coated between each layer of the material strip, and the film roll to be coated is installed on the film coating roller 64, and then the film roll is passed around the third steering roller 65, the fourth steering roller 66 and the fifth steering roller 67 in sequence, and connected to the winding roller 63;

[0171] In addition, a coating tension control assembly can be arranged between the fifth steering roller 67 and the winding roller 63, which includes two coating tension rollers at fixed positions and an adjustable tension adjustment roller between the two. After the film passes through the fifth steering roller 67, it bypasses the first coating tension roller, the tension adjustment roller and the second coating tension roller once, and then the position of the film is adjusted by the auxiliary roller and connected to the winding roller 63.

[0172] The rewinding mechanism is a reciprocating yarn winding device for slit narrow tapes, which is used to rewind the narrow slit tapes onto the yarn balls. The rewinders are arranged in three rows (6 rewinders and laminating devices in each row). The shape of the rewound yarn balls can be programmed. The pre-programmed winding line shape can be linear winding, spiral winding or other shapes such as flat ends and tapered ends. Each yarn ball has an independent winding and reciprocating servo drive system. However, all rewinders follow the same winding line shape. The winding position is driven by an AC servo motor system (two servo motors) and the tension is controlled by a spring feedback system. The rewinding tension range is 2-6N / cm. It can be adjusted and programmed in closed loop control to meet the rewinding requirements of different bandwidths.

[0173] It should be noted that the above-mentioned yarn ball shape programming, tension control and closed-loop control adjustment programming can all be achieved through existing programs and will not be elaborated here.

[0174] The above specific embodiments may be combined with each other, and the same or similar concepts or processes may not be described in detail in some embodiments.

[0175] The technical features of the above embodiments may be arbitrarily combined (as long as there is no contradiction in the combination of these technical features). To make the description concise, not all possible combinations of the technical features in the above embodiments are described; these embodiments that are not explicitly written should also be considered to be within the scope of this specification.

[0176] The present invention is described in more detail through general description and specific embodiments. It should be noted that, without departing from the concept of the present invention, it is obvious that several variations and improvements can be made to these specific embodiments, which all belong to the protection scope of this application. Therefore, the protection scope of the patent of this application shall be subject to the attached claims.

Claims

1. A unidirectional prepreg tape slitting machine, characterized in that: include: A first mounting seat, wherein a reel is disposed on the first mounting seat for fixing the prepreg roll; A cutter mechanism, the cutter mechanism is mounted on the first mounting seat, the cutter mechanism is connected to the prepreg tape on the unwinding shaft through a traction and correction mechanism, and the cutter mechanism cuts the prepreg tape into a plurality of narrow slit tapes; A side material reeling mechanism, the side material reeling mechanism is mounted on the first mounting seat, and the side material reels the two outermost side materials of the slit tape cut by the cutting mechanism; A traction feeding mechanism, which is arranged on the first mounting seat and includes at least one traction feeding unit, which is used to traction feed the slit tape slit by the cutting mechanism; It also includes a second mounting seat, on which a winding mechanism is arranged, the winding mechanism includes at least one winding assembly, and the number of the winding assemblies is the same as the number of the traction and feeding units, and is used to wind up each slit tape slit by the cutting mechanism; The control system, the cutting mechanism, the edge material winding mechanism, the traction feeding mechanism and the winding mechanism are all electrically connected to the control system.

2. The unidirectional prepreg tape slitting machine according to claim 1, characterized in that: The traction and deviation correction mechanism comprises a main frame, on which a vertical plate is vertically arranged and fixedly connected, and both the main frame and the vertical plate are fixedly connected to a first mounting seat; A deflection correction frame plate is arranged on one side of the vertical plate, the deflection correction frame plate is arranged at a distance from the vertical plate, a deflection correction moving mechanism is arranged between the deflection correction frame plate and the vertical plate, the deflection correction moving mechanism is connected to a servo cylinder, and the servo cylinder is driven by a servo motor to drive the deflection correction moving mechanism to drive the deflection correction frame plate to move closer to or away from the vertical plate; The unwinding shaft is arranged on the side of the deflection correction frame plate away from the vertical plate, the unwinding shaft is rotatably connected with the deflection correction frame plate, an unwinding motor is arranged on the side of the deflection correction frame plate close to the vertical plate, the unwinding motor is fixedly connected with the deflection correction frame plate, and a through hole adapted to the unwinding motor is opened on the vertical plate; A first traction roller is arranged on the deflection correction frame plate, one end of the first traction roller is rotatably connected to the deflection correction frame plate, a mounting seat is arranged on the other end of the first traction roller, the end of the first traction roller passes through the mounting seat, and the center of the first traction roller in the length direction is aligned with the center of the unwinding shaft in the length direction, a second traction roller is arranged above the first traction roller, one end of the second traction roller is rotatably connected to the vertical plate, and the other end of the second traction roller is rotatably connected to the mounting seat, a third traction roller is arranged above the unwinding shaft, one end of the third traction roller is rotatably connected to the vertical plate, and the other end of the third traction roller is rotatably connected to the mounting seat, and the third traction roller is an active roller.

3. The unidirectional prepreg tape slitting machine according to claim 2, characterized in that: A film peeling mechanism is arranged on the side of the unwinding shaft away from the deviation correction and traction mechanism; The film peeling mechanism comprises a first film peeling roller and a second film peeling roller, wherein the first film peeling roller and the second film peeling roller are arranged on one side of the unwinding shaft, and the first film peeling roller and the second film peeling roller are both rotatably connected to the first mounting seat; The first film peeling roller and the film on the outside of the prepreg tape on the unwinding shaft, the film on the inside of the prepreg tape are connected to the second film peeling roller along with the tape through the first traction roller, the second traction roller and the third traction roller in sequence, and the second film peeling roller and the first film peeling roller respectively wind up the films on the inside and outside of the prepreg tape.

4. The unidirectional prepreg tape slitting machine according to claim 2, characterized in that: The cutter mechanism mounting base is mounted on the first mounting base; A cutter frame, the cutter frame is fixedly connected to the top of the mounting base; A lower knife assembly, wherein the lower knife assembly is fixedly mounted on the cutter frame and is located at the lower side of the cutter frame; An upper knife assembly, wherein the upper knife assembly is mounted on the cutter frame through a lifting mechanism, and the upper knife assembly is arranged above the lower knife assembly; The pressure monitoring component includes a pressure sensor, an upper support plate and a lower support plate. The upper support plate is connected to the lifting mechanism, and the lower support plate is connected to the upper knife assembly. The pressure sensor is arranged between the upper support plate and the lower support plate. The pressure of the upper support plate on the lower support plate detected by the pressure sensor is the pressure of the upper knife assembly on the lower knife assembly.

5. The unidirectional prepreg tape slitting machine according to claim 4, characterized in that: The upper knife assembly includes an upper knife shaft, an upper knife blade and a first fixer; Two connecting plates are vertically arranged on both sides of the bottom of the lower support plate extending downward, the connecting plates are fixedly connected to the lower support plate, the two ends of the upper knife shaft are rotatably connected to the two connecting plates, the first fixture is sleeved and fixedly connected to the upper knife shaft, and the upper blade is arranged on the first fixture; The lower knife assembly includes a lower knife shaft, a lower blade and a second fixer; The two ends of the lower knife shaft are rotatably connected to the vertical plates on both sides, the second fixer is sleeved and fixedly connected to the lower knife shaft, and the lower blade is arranged on the second fixer.

6. The unidirectional prepreg tape slitting machine according to claim 5, characterized in that: The upper blade is arranged on the first fixture, and is provided with a plurality of blades, the plurality of blades are arranged at equal intervals, and the intervals between the plurality of blades are consistent with the intervals between the slitting belts.

7. The unidirectional prepreg tape slitting machine according to claim 1, characterized in that: The edge material winding mechanism comprises a first edge material roller and a second edge material roller, and the first edge material roller and the second edge material roller are both rotatably connected to the first mounting seat; The first edge material roller is connected to one of the outer edge materials of the prepreg tape after slitting, and the second edge material roller is connected to the other outer edge material of the prepreg tape after slitting, and the two outer edge materials of the prepreg tape are respectively rolled up.

8. The unidirectional prepreg tape slitting machine according to claim 1, characterized in that: The traction feeding mechanism further comprises a first feeding roller, the first feeding roller is on the same horizontal plane as the cutting planes of the upper blade and the lower blade, and the first feeding roller is mounted on a first mounting seat; The traction feeding unit comprises a second feeding roller and a third feeding roller, wherein the second feeding roller and the third feeding roller are both mounted on the first mounting seat, the second feeding roller is placed above the third feeding roller, and the axes of the second feeding roller and the third feeding roller are in the same vertical plane; The first feeding roller, the second feeding roller and the third feeding roller are all provided with limiting grooves matched with the slitting belt.

9. The unidirectional prepreg tape slitting machine according to claim 1, characterized in that: The winding assembly includes a horizontally arranged material dividing roller and a plurality of winding units, and the number of the winding units is the same as the number of the slit material strips; The plurality of winding units are arranged on the second mounting seat in a horizontal line, the material dividing roller is mounted on the second mounting seat and is placed at the front end of the first winding unit, and the material dividing roller is used to receive the material belt conveyed by the traction feeding unit; The winding unit comprises a first steering roller, which is arranged in a vertical direction, and a connecting line between the first steering roller and the material dividing roller is parallel to a surface of a second mounting seat, a second steering roller is arranged on the second mounting seat, and the second steering roller is arranged in a vertical direction, and a winding roller is arranged on the second mounting seat in a horizontal direction, and one of the slit material strips on the material dividing roller is connected to the winding roller by passing through the first steering roller and the second steering roller in sequence; A plurality of winding units sequentially wind up one of the slit material strips on the material separation roller; A laminating mechanism is arranged on one side of each of the winding units.

10. The unidirectional prepreg tape slitting machine according to claim 9, characterized in that: The laminating mechanism includes a laminating roller for installing a film cylinder, a third steering roller is arranged on one side of the laminating roller in the horizontal direction, a fourth steering roller is arranged above the third steering roller in the horizontal direction, and the third steering roller and the fourth steering roller are arranged vertically, and the second mounting seat is also provided with a fifth steering roller in the vertical direction, the film on the laminating roller bypasses the third steering roller, the fourth steering roller and the fifth steering roller in sequence and is connected to the winding roller, and the film is placed below the slitting material strip on the winding roller, forming an inner and outer interlayer on the winding roller to cover the slitting material strip.

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