CN115744444A

CN115744444A - Rewinding unit is cut to winding membrane

Info

Publication number: CN115744444A
Application number: CN202211386458.6A
Authority: CN
Inventors: 王欢; 盛苗苗
Original assignee: Anhui Institute of Information Engineering
Current assignee: Anhui Institute of Information Engineering
Priority date: 2022-11-07
Filing date: 2022-11-07
Publication date: 2023-03-07

Abstract

The invention relates to the technical field of rewinding units, in particular to a winding film slitting rewinding unit which comprises a first side supporting plate, wherein a second side supporting plate is arranged on the right side of the first side supporting plate; a console is fixedly arranged in the middle of the rear side inclined plane of the first side supporting plate; the position of the outer surface of the right side of the first side supporting plate, which is close to the edge of the rear side, is movably connected with a unreeling roller through a push rod; a tensioning roller set is arranged between the first side supporting plate and the second side supporting plate; rewinding mechanisms are arranged on the outer surfaces of the front sides of the first side supporting plate and the second side supporting plate; a circular groove is formed in the upper middle position of the outer surface of the left side of the first side plate; the cutting mechanism is arranged in the circular groove, one end of the cutting mechanism penetrates through the first side supporting plate, the other end of the cutting mechanism is connected to the outer surface of the left side of the second side supporting plate in a rotating mode, and the cutting knife can be driven to stretch in an equidistance mode. The invention can make the tool distance meet the specification and size of the process requirement through mechanical adjustment.

Description

Rewinding unit is cut to winding membrane

Technical Field

The invention relates to the technical field of rewinding units, in particular to a winding film slitting rewinding unit.

Background

The rewinding machine is a special equipment for paper, mica tapes and films, and is used for rewinding paper rolls produced by a paper machine in sequence, and the paper is rewound to be made into finished paper and delivered out of a factory. The rewinding machine has become a development trend in the paper machine industry to replace direct current transmission with alternating current transmission. The paper rolls wound by the winder are soft, the interior of the paper rolls can be damaged or broken, the edges of two sides are irregular, the width of paper webs and the like cannot be directly used for machines such as paper processing or printing, most of paper seeds can be delivered only after being rewound on a paper roll core to form finished paper rolls with certain specifications and certain tightness requirements through edge cutting, slitting and jointing of the rewinder.

The rewinding unit that cuts that current is used for the winding membrane to cut rewinding during operation, will wait to cut the winding membrane book through the steady the placing of hoisting equipment to unreel the unit on, and adjust to suitable position, find the end and the pulling of winding membrane, walk around the tensioning unit and wind to the rewinding unit, the knife distance of artifical adjustment and measurement cutting knife is in order to accord with the specification and size of technological standard requirement, start the rewinding unit, the rewinding stops after certain length, detach the winding membrane of rewinding, the winding membrane after cutting the cutting knife is twined on the rewinding unit, start the rewinding unit and begin the rewinding.

Cut rewinding unit's cutting knife among the prior art needs the manual work to adjust the distance between two adjacent cutting knives, make the sword apart from the specification and size that accords with technological requirement, it is improper that the cutting angle that causes the sword apart from not conforming to standard or cutting knife because staff's carelessness appears very easily at this in-process, the winding membrane that causes the cutting precision of cutting rewinding unit to reduce or obtain rolls up scrapped phenomenon, and simultaneously, the manual work carries out the in-process of adjusting to the cutting knife, sharp cutting knife causes the injury to the staff very easily, harm staff's healthy.

Therefore, a winding film slitting and rewinding unit is provided.

Disclosure of Invention

The invention aims to provide a winding film slitting rewinding unit to solve the problems in the background technology.

In order to achieve the purpose, the invention provides the following technical scheme: a winding film slitting rewinding unit comprises a first side supporting plate, wherein a second side supporting plate is arranged on the right side of the first side supporting plate; a console is fixedly arranged in the middle of the rear side inclined plane of the first side supporting plate; the position of the outer surface of the right side of the first side supporting plate, which is close to the edge of the rear side, is movably connected with an unwinding roller through a push rod; a tensioning roller set is arranged between the first side supporting plate and the second side supporting plate; rewinding mechanisms are arranged on the outer surfaces of the front sides of the first side supporting plate and the second side supporting plate; a circular groove is formed in the upper middle position of the outer surface of the left side of the first side supporting plate; a cutting mechanism is arranged in the circular groove, one end of the cutting mechanism penetrates through the first side supporting plate, the other end of the cutting mechanism is rotatably connected to the outer surface of the left side of the second side supporting plate, and the cutting knife can be driven to stretch equidistantly;

during operation, the cutting knife in the prior art needs to manually adjust the distance between two adjacent cutting knives, so that the cutting knives meet the specification and size of technological requirements, the phenomenon that the cutting precision of a slitting rewinding unit is reduced or an obtained winding film roll is scrapped due to the fact that the knife distance does not meet the standard or the cutting angle of the cutting knife is not proper due to negligence of workers easily occurs in the process, and meanwhile, in the process of manually adjusting the cutting knives, the sharp cutting knives easily hurt the workers and harm the health of the workers; the rewinding mechanism is arranged, the control console controls the push rod to push the unwinding roller to be far away from the first side supporting plate and the second side supporting plate, after a to-be-rewound winding film roll is placed, the control push rod pulls the unwinding roller to return to a position between the first side supporting plate and the second side supporting plate, the end of the to-be-rewound winding film is found and pulled, the to-be-rewound winding film is wound on the rewinding mechanism by the tensioning roller set, the control console controls the cutting mechanism to adjust the knife distance, the rewinding mechanism is started, the rewinding mechanism is closed after a certain length of winding film is rewound, the rewound winding film is removed, the cut winding film is wound on the rewinding mechanism, and the rewinding mechanism is started to rewind; according to the invention, the cutting mechanism is arranged, the cutting knives can be driven to stretch at equal intervals and the cutting angles of the cutting knives can be adjusted, the process of manually adjusting the distance between the cutting knives is omitted, the phenomenon that the distance between the cutting knives is not in accordance with the standard or the cutting angles of the cutting knives are not proper due to negligence of workers is prevented, the cutting precision of the slitting rewinding unit is prevented from being reduced or the obtained winding film roll is prevented from being scrapped, meanwhile, manual adjustment is not needed, the phenomenon that the cutting knives hurt the workers is avoided, and the health of the workers is ensured.

Preferably, the cutting mechanism comprises a cutting auxiliary shaft, a fixed plate, a movable plate, a first electric telescopic rod, a fixed block, a knife rest, a rotation auxiliary rod, a hinge rod, an adjusting mechanism, a first motor and a blade; a circular groove is formed in the upper middle position of the outer surface of the right side of the first side plate; a cutting auxiliary shaft is arranged in the circular groove; one end of the cutting auxiliary shaft penetrates through the first side supporting plate and is fixedly connected with a first motor; the other end of the cutting auxiliary shaft is rotatably connected to the outer surface of the left side of the second side supporting plate; a fixing plate is fixedly connected to the position, close to the bottom surface of the circular groove, of the outer circular surface of the cutting auxiliary shaft; a movable plate is sleeved on the outer circular surface of the cutting auxiliary shaft close to the right side of the fixed plate; a fixed block is fixedly connected to the position, close to the right end edge, of the outer circular surface of the cutting auxiliary shaft; uniformly distributed tool rests are sleeved on the outer circular surface of the cutting auxiliary shaft between the movable plate and the fixed block; two first electric telescopic rods are symmetrically and fixedly connected to the upper end of the outer surface of the right side of the fixed plate, and one ends of the first electric telescopic rods are fixedly connected to the outer surface of the left side of the movable plate; the outer surface of the right side of the fixed plate is fixedly connected with an auxiliary rotating rod, and one end of the auxiliary rotating rod penetrates through the movable plate and the tool rest and is fixedly connected to the outer surface of the left side of the fixed block; the positions of the upper surface of the tool rest, which are close to the rear side edge, are hinged with two hinge rods in a crossed manner through pin rods, and the hinge rods hinged with the tool rest in a crossed manner on the two adjacent tool rests are hinged with each other through rivets; the left ends of the two hinge rods at the leftmost end are hinged and rotatably connected to the outer surface of the right side of the movable plate; the right ends of the two hinge rods at the rightmost end are hinged and rotatably connected to the outer surface of the left side of the fixed block; a cavity is formed in each knife rest; an adjusting mechanism is arranged in the cavity and penetrates through the side walls of the left side and the right side of the cavity to extend to the outside of the tool rest; a blade is arranged in the cavity and penetrates through the front side wall of the cavity to extend to the outside of the tool rest.

During operation, in order to solve the problem that the cutter distance of the cutting knife needs to be manually adjusted in the slitting and rewinding unit, the phenomenon that the cutter distance does not conform to the standard or the cutting angle of the cutting knife is not appropriate due to negligence of workers, the cutting precision of the slitting and rewinding unit is reduced or an obtained winding film roll is scrapped easily occurs in the process, and meanwhile, in the process of manually adjusting the slitting and rewinding machine, the sharp cutting knife easily causes injury to the workers and harms the health of the workers; according to the invention, the cutting mechanism is arranged, the first electric telescopic rod is started to retract, the hinge rod is pulled to start moving, the tool rests are driven to stretch equidistantly to enable the distance between the blades on the two adjacent tool rests to meet the process standard, the first motor is started to drive the cutting auxiliary shaft to rotate, the fixed plate, the movable plate, the fixed block and the rotating auxiliary rod are driven to rotate, the tool rests are driven to rotate, and the cutting angle of the blades is adjusted; according to the invention, the cutting mechanism is arranged, the cutting knives can be driven to stretch at equal intervals and the cutting angles of the cutting knives can be adjusted, the process of manually adjusting the distance between the cutting knives is omitted, the phenomenon that the distance between the cutting knives is not in accordance with the standard or the cutting angles of the cutting knives are not proper due to negligence of workers is prevented, the cutting precision of the slitting rewinding unit is prevented from being reduced or the obtained winding film roll is prevented from being scrapped, meanwhile, manual adjustment is not needed, the phenomenon that the cutting knives hurt the workers is avoided, and the health of the workers is ensured.

Preferably, when the first electric telescopic rod retracts to the limit, the two hinge rods hinged to the upper surface of the knife rest are still in a crossed state.

When the cutting machine works, when the first electric telescopic rod retracts, the phenomenon that two hinge rods which are hinged in a crossed mode on the cutter frame are in a horizontal overlapped state due to the fact that the retraction distance of the first electric telescopic rod is too large, and hinge failure of the hinge rods can be caused seriously, so that the cutter frame loses the fixing effect, a cutting mechanism is damaged, and rewinding failure is caused due to the fact that cutting of a wound film is unstable; according to the invention, when the first electric telescopic rod is limited to retract to the limit, the two hinge rods hinged to the upper surface of the knife rest are still in a crossed state, so that the hinge rods can keep a fixing effect on the knife rest, the damage of the cutting mechanism is avoided, the cutting mechanism can stably cut the wound film, and the rewinding failure phenomenon is prevented.

Preferably, the outer surface of the left side of the fixed block and the end face of the right side of the to-be-rewound winding film roll are in the same plane.

When the winding film cutting machine works, in the process that the winding film is cut by the cutting mechanism, the phenomenon that the cut winding film cannot meet the specification and the size of the technological requirement due to the fact that the distance between the fixing block and the rightmost knife rest is small, leftover materials are generated, and the winding film is wasted can occur; according to the invention, the left outer surface of the fixing block and the right end face of the winding film roll to be wound are limited to be positioned on the same plane, and in the process of stretching the tool rests at equal intervals by the cutting mechanism, the distance between the fixing block and the rightmost tool rest is the same as the distance between other adjacent tool rests, so that the size of the cut winding film is the same, the phenomenon of leftover materials is avoided, the winding film can be fully utilized, and the waste phenomenon of the winding film is prevented.

Preferably, the adjusting mechanism comprises a first spring, a sliding block, a fixing rod and a second electric telescopic rod; a cavity is formed in each knife rest; two first springs are symmetrically and fixedly connected to the middle position of the rear side surface of the cavity; one end of each of the two first springs is fixedly connected with a sliding block; the upper surface of the sliding block is provided with a trapezoidal knife placing groove, and the knife placing groove penetrates through the outer surface of the front side of the sliding block; a blade is arranged in the blade placing groove; a fixed rod is arranged on the outer surface of the left side of the sliding block at a position corresponding to the cutter groove, and the fixed rod penetrates through the sliding block and the cutter blade and extends to the outside of the cutter rest; and the lower end of the front side surface of the cavity is fixedly connected with a second electric telescopic rod.

When the winding machine works, after the end of the winding film bypasses the tensioning roller set to be wound on the rewinding mechanism, when the distance between the cutter frames is adjusted, as the cutter is in a state of being capable of cutting the winding film, the cutter in contact with the winding film possibly drives the whole winding film to move, the cutting mechanism fails to cut the winding film, and even the winding film possibly drops, so that a worker needs to wind the end of the winding film onto the rewinding mechanism by bypassing the tensioning roller set for the second time; according to the invention, the adjusting mechanism is arranged, the second electric telescopic rod is started to extend to contact with the sliding block, the sliding block is pushed, the first spring is compressed, the blade fixed in the blade placing groove through the fixing rod is driven to retract into the tool rest cavity, after the distance between the tool rests is adjusted, the second electric telescopic rod is started to retract, the first spring extends to push the sliding block to move, the blade is driven to extend out of the tool rest cavity, and the wound film is cut; according to the invention, the adjusting mechanism is arranged, so that the blade can retract and extend in the tool rest cavity, the phenomenon that the blade drives the winding film to move in the process of adjusting the distance between the tool rests is prevented, the phenomenon that the cutting mechanism fails to cut the winding film is prevented, and the phenomenon that a worker needs to wind the end of the winding film on the rewinding mechanism by winding the tensioning roller group for the second time around the end of the winding film is avoided.

Preferably, a knife changing edge is arranged at the position, corresponding to the blade, of the upper surface of the knife rest; the position of the upper surface of the knife rest, which is close to the edge of the front side, is rotationally connected with a baffle through a rivet; and a rubber stop block is fixedly connected to the middle position of the lower surface of the baffle.

When the cutter is in work, the cutter blade is fixedly connected into the cutter placing groove on the sliding block through the fixing rod, when the cutter blade is damaged and needs to be replaced, the fixing rod needs to be pulled out, then the cutter blade is pulled out from the front side of the cutter frame, and the phenomenon that the cutter blade falls into the rewinding machine or cuts workers can occur in the pulling-out process due to the fact that the length of the cutter blade is long; according to the invention, by arranging the replacement knife edge, when the blade needs to be replaced, the baffle plate is rotated to drive the rubber stop block to move to lose the limiting effect on the blade, the fixed rod is pulled out, the damaged blade is directly taken out, a new blade is put in, the fixed rod is inserted, and the baffle plate is rotated to drive the rubber stop block to enter the replacement knife edge to limit the blade; the blade can be directly replaced by arranging the replacement knife edge, the blade is prevented from being replaced by pulling out the blade, and the phenomenon that the blade falls into the inside of the rewinding machine or cuts workers is prevented.

Preferably, the rewinding mechanism comprises a supporting plate, a sliding plate, a second spring, a limiting plate, a bearing, a rewinding roller, a driven gear, a driving gear, a rotating shaft, a rotating handle, a second motor and a coil unloading mechanism; the outer surfaces of the front sides of the first side supporting plate and the second side supporting plate are fixedly connected with two supporting plates close to the edge of one side of the tensioning roller set; strip-shaped grooves are formed in the middle of the upper surface of each supporting plate; the upper surfaces of the supporting plates are all connected with sliding plates in a sliding manner; the outer surface of the front side of the sliding plate is symmetrically and fixedly connected with two second springs, and one ends of the second springs are fixedly connected to the supporting plate; limiting plates are fixedly connected to the outer surfaces of the front sides of the first side supporting plate and the second side supporting plate, which are close to the upper parts of the supporting plates; rewinding rollers are arranged between the two supporting plates corresponding to the outer surfaces of the front sides of the first supporting plate and the second supporting plate; a bearing is fixedly connected to the position of the outer circular surface of the rewinding roller, which corresponds to the strip-shaped groove; driven gears are fixedly connected to the positions, close to the edges of the two ends, of the outer circular surface of the rewinding roller, and the diameters of the driven gears are the same as the diameter of the roller of the rewinding roller; the upper ends of the outer surfaces of the front sides of the first side supporting plate and the second side supporting plate are respectively provided with a square groove; the upper ends of the outer surfaces of one sides of the first side supporting plate and the second side supporting plate, which are far away from the rewinding roller, are close to the edge and are fixedly connected with rotating shafts, and one ends of the rotating shafts respectively penetrate through the outer surfaces of the first side supporting plate and the second side supporting plate and extend into the square grooves; one end of the rotating shaft, which is positioned outside the square groove, is fixedly connected with a second motor; the outer circle surface of the rotating shaft is fixedly connected with a rotating handle at a position close to the second motor; one end of the rotating shaft, which is positioned in the square groove, is fixedly connected with a driving gear, and the driving gear is meshed with a driven gear; and the lower ends of the front outer surfaces of the first side supporting plate and the second side supporting plate are fixedly connected with an uncoiling mechanism.

During operation, most rewinding units in the existing winding film slitting rewinder are connected through connecting rods, the connecting rods need to be disassembled firstly after rewinding of the winding films is finished, then the rewinding units are taken out, the disassembling process of the connecting rods is very complicated, a large amount of time needs to be delayed, the working efficiency is influenced, and after the rewinding units are installed, if the rewinding units are instable to install, accidents are easy to occur during processing; according to the rewinding machine, the rewinding mechanism is arranged, the second motor is started to drive the rotating shaft to rotate, the driving gear is driven to rotate, the driving gear drives the driven gear meshed with the driving gear to rotate, the rewinding roller is driven to rotate to rewind a wound film, the rewinding roller is pulled forwards after rewinding of the wound film is finished, the bearing is driven to push the sliding plate to compress the second spring, then the rewinding roller is lifted upwards to take down the rewinding roller, the rewinding roller is placed on the arc-shaped surface of the sliding plate after the rewound wound film is taken down, the roller slides down from the arc-shaped surface, the bearing enters the strip-shaped groove in the supporting plate, the sliding plate and the limiting plate limit the bearing together, the driven gear is meshed with the driving gear, the second motor is started to rewind a new round, and the rotating handle can assist the end of the wound film to be wound on the rewinding roller; by arranging the rewinding mechanism, the problem of complex disassembly caused by connection of the connecting rods can be avoided, the rewinding roller can be easily taken down and installed, a large amount of time is saved, the working efficiency is improved, and meanwhile, accidents caused by instable installation are avoided.

Preferably, the distance between the two rewinding rollers in the rewinding mechanism is larger than the thickness of the film roll to be rewound and wound.

When the slitting and rewinding machine set works, the phenomenon that rewinding operation is not finished due to the fact that the thickness of a winding film roll to be rewound is large, the rewinding film roll rewound on a rewinding roller is in contact with and extrudes another rewinding roller, rewinding operation cannot continue, and rewinding failure is caused can occur; according to the invention, the distance between the two rewinding rollers in the rewinding mechanism is limited to be larger than the thickness of the winding film roll to be rewound, so that the winding film roll rewound on the rewinding rollers can not contact with the other rewinding roller in the rewinding process, the rewinding operation is ensured to be smoothly carried out, and the rewinding failure phenomenon is avoided.

Preferably, the coil stripping mechanism comprises a base, a convex block, a rotating block, an electro-hydraulic push rod, a claw hook and a placing block; the front sides of the first side supporting plate and the second side supporting plate are provided with bases; the two sides of the upper surface of the base are symmetrically and fixedly connected with lugs close to the edges; the middle position of the outer surface of one side of the lug, which is close to the middle position of the base, is rotatably connected with a rotating block; the outer surfaces of the rear sides of the rotating blocks are fixedly connected with electro-hydraulic push rods; one end of each electro-hydraulic push rod is fixedly connected with a claw hook; the equal fixedly connected with in position of base upper surface correspondence electric liquid push rod places the piece.

When the rewinding machine works, the rewinding roller is limited by the supporting plate, the limiting plate, the sliding plate and the second spring, so that the phenomenon that the rewinding roller falls off in the rewinding process is prevented, the elasticity of the second spring is strong, and in addition, the rewinding roller is heavy in weight after rewinding is finished, so that a worker needs to pay large physical force when performing coil stripping operation, and the phenomena that the rewinding roller is damaged and a wound film coil is scrapped due to falling of the rewinding roller are easily caused; according to the invention, by arranging the unwinding mechanism, the electro-hydraulic push rod is started to extend to a proper position, the rotating block is started to rotate to enable the claw hook to rotate and rise to hook two ends of the rewinding roller positioned below, the electro-hydraulic push rod contracts to compress the second spring, the rotating block rotates to drive the claw hook to rotate and rise, the electro-hydraulic push rod contracts to the shortest length, the rotating block rotates to drive the claw hook to rotate and fall, the operation is repeated, the rewinding roller positioned above is dismounted, and after a winding film roll on the rewinding roller is dismounted, the rewinding roller is mounted back through the cooperation of the rotating block and the electro-hydraulic push rod; according to the invention, through arranging the coil stripping mechanism, workers can be replaced to carry out the operation of stripping the rewinding roller, the phenomenon that the rewinding roller falls is avoided, the phenomenon that the rewinding roller is damaged due to falling is prevented, and the phenomenon that the rewound wound film coil is scrapped due to falling is prevented.

Preferably, the cross section of the claw hook is C-shaped.

During working, in the process of coil stripping operation, the rotating block and the electro-hydraulic push rod are required to be matched with each other to enable the claw hook to rotate around the rotating block to ascend and descend, extend and shorten to strip the rewinding roller, and in the process, the rewinding roller may slip off due to the fact that the inclination angle of the electro-hydraulic push rod is too high, so that the rewinding roller is damaged and the wound film coil is scrapped; according to the invention, the cross section of the claw hook is limited to be C-shaped, so that a good fixing effect on the rewinding roller can be kept in the coil stripping process, the phenomenon that the rewinding roller falls off is prevented, and the damage of the rewinding roller and the scrapping of the wound film coil are avoided.

Compared with the prior art, the method has the advantages that, the invention has the beneficial effects that:

according to the invention, the cutting mechanism is arranged, so that the cutter frame can be driven to stretch at equal intervals, the distance between two adjacent blades meets the specification and size of the process requirement, and the phenomenon that the cutter distance does not meet the standard or the cutting angle of the blades is not proper due to negligence of workers is avoided, so that the phenomenon that the cutting precision of the slitting rewinding unit is reduced or the obtained wound film roll is scrapped is avoided.

Drawings

FIG. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a structural view of the cutting mechanism of the present invention;

FIG. 3 is a structural view of an adjustment mechanism of the present invention;

FIG. 4 is a view of the partial structure of FIG. 3 at A in accordance with the present invention;

FIG. 5 is a structural view of the rewinding mechanism of the present invention;

FIG. 6 is a view of the invention partially in section at B of FIG. 5;

fig. 7 is a structural view of the discharging mechanism of the invention.

In the figure: 1. a first side support plate; 2. a second side support plate; 3. unwinding rollers; 4. a tension roller set; 5. a console; 6. a cutting mechanism; 61. cutting the auxiliary shaft; 62. a fixing plate; 63. a movable plate; 64. a first electric telescopic rod; 65. a fixed block; 66. a tool holder; 67. rotating the auxiliary lever; 68. a hinge rod; 69. an adjustment mechanism; 691. a first spring; 692. a slider; 693. a fixing rod; 694. a second electric telescopic rod; 695. changing a knife edge; 696. a baffle plate; 697. a rubber stopper; 610. a first motor; 611. a blade; 7. a rewinding mechanism; 71. a support plate; 72. a slide plate; 73. a second spring; 74. a limiting plate; 75. a bearing; 76. rewinding rollers; 77. a driven gear; 78. a driving gear; 79. a rotating shaft; 710. turning a handle; 711. a second motor; 712. a coil stripping mechanism; 7121. a base; 7122. a bump; 7123. rotating the block; 7124. an electro-hydraulic push rod; 7125. a claw hook; 7126. and placing the blocks.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like, indicate orientations and positional relationships based on those shown in the drawings, and are used only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be considered as limiting the present invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, features defined as "first", "second", may explicitly or implicitly include one or more of the described features. In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise. Furthermore, the terms "mounted," "connected," and "connected" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in a specific case to those of ordinary skill in the art.

Referring to fig. 1 to 7, the present invention provides a technical solution of a winding film slitting rewinding machine set:

a winding film slitting and rewinding unit comprises a first side supporting plate 1, wherein a second side supporting plate 2 is arranged on the right side of the first side supporting plate 1; a control console 5 is fixedly arranged in the middle of the rear side inclined plane of the first side supporting plate 1; the position of the outer surface of the right side of the first side supporting plate 1, which is close to the edge of the rear side, is movably connected with a unreeling roller 3 through a push rod; a tensioning roller set 4 is arranged between the first side supporting plate 1 and the second side supporting plate 2; the rewinding mechanisms 7 are arranged on the outer surfaces of the front sides of the first side supporting plate 1 and the second side supporting plate 2; a circular groove is formed in the upper middle of the outer surface of the left side of the first side supporting plate 1; a cutting mechanism 6 is arranged in the circular groove, one end of the cutting mechanism 6 penetrates through the first side supporting plate 1, and the other end of the cutting mechanism 6 is rotatably connected to the outer surface of the left side of the second side supporting plate 2 and can drive the cutting knife to stretch equidistantly;

during operation, the cutting knives in the prior art need to manually adjust the distance between two adjacent cutting knives, so that the cutting tools meet the specification and size of technological requirements, the phenomenon that the cutting precision of a slitting rewinding unit is reduced or an obtained winding film roll is scrapped due to the fact that the knife distance does not meet the standard or the cutting angle of the cutting knife is not appropriate due to negligence of workers is easily caused in the process, and meanwhile, in the process of manually adjusting the cutting knives, the sharp cutting knives easily damage the workers and harm the health of the workers; according to the invention, by arranging the cutting mechanism 6, the control console 5 controls the push rod to push the unwinding roller 3 to be far away from the first side supporting plate 1 and the second side supporting plate 2, after a to-be-rewound winding film roll is placed, the control push rod pulls the unwinding roller 3 to return to a position between the first side supporting plate 1 and the second side supporting plate 2, the end of the to-be-rewound winding film is found and pulled, the to-be-rewound winding film roll 4 is wound to the rewinding mechanism 7, the control console 5 controls the cutting mechanism 6 to adjust the knife distance, the rewinding mechanism 7 is started, the rewinding mechanism 7 is closed after a certain length of winding film is rewound, the rewound winding film is removed, the cut winding film is wound to the rewinding mechanism 7, and the rewinding mechanism 7 is started to rewind; according to the invention, the cutting mechanism 6 is arranged, so that the cutting knives can be driven to stretch at equal intervals and the cutting angles of the cutting knives can be adjusted, the manual process of adjusting the distance between the cutting knives is omitted, the phenomenon that the distance between the cutting knives does not accord with the standard or the cutting angles of the cutting knives are not proper due to negligence of workers is prevented, the cutting precision of the slitting rewinding unit is prevented from being reduced or the obtained winding film roll is prevented from being scrapped, meanwhile, the manual adjustment is not needed, the phenomenon that the cutting knives hurt the workers is avoided, and the health of the workers is ensured.

As one embodiment of the present invention, as shown in fig. 2, the cutting mechanism 6 includes a cutting auxiliary shaft 61, a fixed plate 62, a movable plate 63, a first electric telescopic rod 64, a fixed block 65, a knife rest 66, a rotation auxiliary rod 67, a hinge rod 68, an adjusting mechanism 69, a first motor 610 and a blade 611; a circular groove is formed in the upper middle of the outer surface of the right side of the first side supporting plate 1; a cutting auxiliary shaft 61 is arranged in the circular groove; one end of the cutting auxiliary shaft 61 penetrates through the first side support plate 1 and is fixedly connected with a first motor 610; the other end of the cutting auxiliary shaft 61 is rotatably connected to the outer surface of the left side of the second side supporting plate 2; a fixing plate 62 is fixedly connected to the position, close to the bottom surface of the circular groove, of the outer circular surface of the auxiliary cutting shaft 61; a movable plate 63 is sleeved on the outer circular surface of the cutting auxiliary shaft 61 close to the right side of the fixed plate 62; a fixed block 65 is fixedly connected to the position, close to the right end edge, of the outer circular surface of the cutting auxiliary shaft 61; uniformly distributed tool rests 66 are sleeved on the outer circular surface of the cutting auxiliary shaft 61 between the movable plate 63 and the fixed block 65; two first electric telescopic rods 64 are symmetrically and fixedly connected to the upper end of the outer surface of the right side of the fixed plate 62, and one ends of the first electric telescopic rods 64 are fixedly connected to the outer surface of the left side of the movable plate 63; the right outer surface of the fixed plate 62 is fixedly connected with a rotation auxiliary rod 67, and one end of the rotation auxiliary rod 67 penetrates through the movable plate 63 and the tool rest 66 and is fixedly connected to the left outer surface of the fixed block 65; two hinge rods 68 are hinged to the upper surface of each knife rest 66 close to the rear side edge in a crossed manner through pin rods, and the hinge rods 68 hinged to the two adjacent knife rests 66 in a crossed manner are hinged through rivets; the left ends of the two hinge rods 68 at the leftmost end are hinged and rotatably connected to the outer surface of the right side of the movable plate 63; the right ends of the two hinge rods 68 at the rightmost end are hinged and rotatably connected to the outer surface of the left side of the fixed block 65; a cavity is formed in each knife rest 66; an adjusting mechanism 69 is arranged in the cavity, and the adjusting mechanism 69 penetrates through the side walls of the left side and the right side of the cavity and extends to the outside of the tool rest 66; the blade 611 is arranged in the cavity, and the blade 611 penetrates through the front side wall of the cavity and extends to the outside of the tool rest 66.

During operation, in order to solve the problem that the cutter distance of the cutting knife needs to be manually adjusted in the slitting and rewinding unit, the phenomenon that the cutter distance does not conform to the standard or the cutting angle of the cutting knife is not appropriate due to negligence of workers, the cutting precision of the slitting and rewinding unit is reduced or an obtained winding film roll is scrapped easily occurs in the process, and meanwhile, in the process of manually adjusting the slitting and rewinding machine, the sharp cutting knife easily causes injury to the workers and harms the health of the workers; according to the invention, by arranging the cutting mechanism 6, the first electric telescopic rod 64 is started to retract, the hinge rod 68 is pulled to start to move, the tool rests 66 are driven to stretch equidistantly to enable the distance between the blades 611 on the two adjacent tool rests 66 to meet the technological standard, the first motor 610 is started to drive the cutting auxiliary shaft 61 to rotate, the fixing plate 62, the movable plate 63, the fixing block 65 and the rotating auxiliary rod 67 are driven to rotate, the tool rests 66 are driven to rotate, and the cutting angle of the blades 611 is adjusted; according to the invention, the cutting mechanism 6 is arranged, so that the cutting knives can be driven to stretch at equal intervals and the cutting angles of the cutting knives can be adjusted, the manual process of adjusting the distance between the cutting knives is omitted, the phenomenon that the distance between the cutting knives does not accord with the standard or the cutting angles of the cutting knives are not proper due to negligence of workers is prevented, the cutting precision of the slitting rewinding unit is prevented from being reduced or the obtained winding film roll is prevented from being scrapped, meanwhile, the manual adjustment is not needed, the phenomenon that the cutting knives hurt the workers is avoided, and the health of the workers is ensured.

In one embodiment of the present invention, as shown in fig. 2, when the first electric telescopic rod 64 is retracted to the limit, the two hinge rods 68 hinged to the upper surface of the knife rest 66 are still in a crossed state.

When the first electric telescopic rod 64 retracts, two hinge rods 68 which are hinged in a crossed mode on the knife rest 66 may be in a horizontal overlapping state due to the fact that the retraction distance of the first electric telescopic rod 64 is too large, and hinge failure of the hinge rods 68 may be caused in serious cases, so that the knife rest 66 loses a fixing effect, the cutting mechanism 6 is damaged, and rewinding failure is caused due to unstable slitting of a wound film; according to the invention, when the first electric telescopic rod 64 is limited to retract to the limit, the two hinge rods 68 hinged to the upper surface of the knife rest 66 are still in a crossed state, so that the hinge rods 68 can keep a fixing effect on the knife rest 66, the cutting mechanism 6 is prevented from being damaged, the cutting mechanism 6 can stably cut the wound film, and the rewinding failure phenomenon is prevented.

As an embodiment of the present invention, as shown in fig. 2, the left outer surface of the fixing block 65 is in the same plane as the right end surface of the roll of film to be rewound.

During operation, in the process of cutting the winding film by the cutting mechanism 6, the phenomenon that the cut winding film cannot meet the specification and size of the technological requirement due to the fact that the distance between the fixed block 65 and the rightmost tool rest 66 is small, leftover materials are generated, and the winding film is wasted may occur; according to the invention, the left outer surface of the fixed block 65 and the right end face of the to-be-rewound winding film roll are limited to be positioned on the same plane, and in the process that the cutter frame 66 is equidistantly stretched by the cutting mechanism 6, the distance between the fixed block 65 and the rightmost cutter frame 66 is the same as the distance between other adjacent cutter frames 66, so that the size of the cut rewinding film is the same, the phenomenon of leftover materials is avoided, the winding film can be fully utilized, and the waste phenomenon of the winding film is prevented.

As an embodiment of the present invention, as shown in fig. 3, the adjusting mechanism 69 includes a first spring 691, a slider 692, a fixing rod 693 and a second electric telescopic rod 694; a cavity is formed in each knife rest 66; two first springs 691 are symmetrically and fixedly connected to the middle position of the rear side surface of the cavity; one end of the two first springs 691 is fixedly connected with a sliding block 692; the upper surface of the slide block 692 is provided with a trapezoidal knife placing groove, and the knife placing groove penetrates through the outer surface of the front side of the slide block 692; a blade 611 is arranged in the blade placing groove; a fixing rod 693 is arranged on the left outer surface of the slider 692 at a position corresponding to the knife slot, and the fixing rod 693 penetrates through the slider 692 and the blade 611 to extend to the outside of the knife rest 66; the lower end of the front side surface of the cavity is fixedly connected with a second electric telescopic rod 694.

During operation, after the end of the wound film is wound around the tensioning roller group 4 on the rewinding mechanism 7, when the distance between the tool rests 66 is adjusted, because the blade 611 is in a state of being capable of cutting the wound film, it may happen that the first blade 611 in contact with the wound film drives the whole wound film to move, the cutting mechanism 6 fails to cut the wound film, and even the wound film may drop, so that a worker needs to wind the end of the wound film around the tensioning roller group 4 to the rewinding mechanism 7 for the second time; according to the invention, by arranging the adjusting mechanism 69, the second electric telescopic rod 694 is started to extend to contact with the sliding block 692, the sliding block 692 is pushed, the first spring 691 is compressed, the blade 611 fixed in the knife placing groove through the fixing rod 693 is driven to retract into the cavity of the knife rest 66, after the distance between the knife rests 66 is adjusted, the second electric telescopic rod 694 is started to retract, the first spring 691 extends to push the sliding block 692 to move, the blade 611 is driven to extend out of the cavity of the knife rest 66, and the wound film is cut; according to the invention, the adjusting mechanism 69 is arranged, so that the blade 611 can be retracted and extended out of the cavity of the tool rest 66, the phenomenon that the blade 611 drives the winding film to move in the process of adjusting the distance between the tool rest 66 is prevented, the phenomenon that the cutting mechanism 6 fails to cut the winding film is prevented, and the phenomenon that the end of the winding film needs to be wound onto the rewinding mechanism 7 by a worker bypassing the tensioning roller group 4 for the second time is avoided.

As an embodiment of the present invention, as shown in fig. 4, a knife changing edge 695 is disposed on the upper surface of the knife rest 66 at a position corresponding to the knife 611; the position, close to the front side edge, of the upper surface of the knife rest 66 is rotatably connected with a baffle 696 through a rivet; a rubber stop 697 is fixedly connected to the middle position of the lower surface of the baffle 696.

During operation, because the blade 611 is fixedly connected to the blade holding groove on the slider 692 through the fixing rod 693, when the blade 611 is damaged and needs to be replaced, the fixing rod 693 needs to be pulled out, and then the blade 611 is pulled out from the front side of the knife rest 66, because the blade 611 is longer, the phenomenon that the blade 611 falls into the rewinding machine or cuts workers may occur in the pulling-out process; according to the invention, by arranging the replacement knife edge 695, when the blade 611 needs to be replaced, the baffle 696 is rotated to drive the rubber stopper 697 to move to lose the limiting effect on the blade 611, the fixing rod 693 is pulled out, the damaged blade 611 is directly taken out, a new blade 611 is put in, the fixing rod 693 is inserted, the baffle 696 is rotated to drive the rubber stopper 697 to enter the knife changing edge 695 to limit the blade 611; according to the cutter blade 611 replacement device, the cutter blade 695 can be replaced directly, the cutter blade 611 is prevented from being pulled out to replace the cutter blade 661, and the phenomenon that the cutter blade 611 falls into the rewinding machine or a worker is cut is prevented.

As an embodiment of the present invention, as shown in fig. 5 and 6, the rewinding mechanism 7 includes a supporting plate 71, a sliding plate 72, a second spring 73, a limiting plate 74, a bearing 75, a rewinding roller 76, a driven gear 77, a driving gear 78, a rotating shaft 79, a rotating handle 710, a second motor 711, and an unwinding mechanism 712; two supporting plates 71 are fixedly connected to the outer surfaces of the front sides of the first side supporting plate 1 and the second side supporting plate 2 close to the edge of one side of the tensioning roller group 4; strip-shaped grooves are formed in the middle of the upper surface of the supporting plate 71; the upper surfaces of the supporting plates 71 are all connected with sliding plates 72 in a sliding manner; the outer surface of the front side of the sliding plate 72 is symmetrically and fixedly connected with two second springs 73, and one ends of the second springs 73 are fixedly connected to the supporting plate 71; the outer surfaces of the front sides of the first side supporting plate 1 and the second side supporting plate 2 are fixedly connected with a limiting plate 74 close to the upper part of the supporting plate 71; rewinding rollers 76 are arranged between the two supporting plates 71 corresponding to the front outer surfaces of the first supporting plate 1 and the second supporting plate 2; a bearing 75 is fixedly connected to the position of the outer circular surface of the rewinding roller 76, which corresponds to the strip-shaped groove; driven gears 77 are fixedly connected to the positions, close to the edges of the two ends, of the outer circular surface of the rewinding roller 76, and the diameter of each driven gear 77 is the same as that of the roller of the rewinding roller 76; the upper ends of the outer surfaces of the front sides of the first side supporting plate 1 and the second side supporting plate 2 are respectively provided with a square groove; the rotating shaft 79 is fixedly connected to the positions, close to the edges, of the upper ends of the outer surfaces of the first side support plate 1 and the second side support plate 2 far away from the rewinding roller 76, and one end of the rotating shaft 79 respectively penetrates through the outer surfaces of the first side support plate 1 and the second side support plate 2 and extends into the square groove; one end of the rotating shaft 79, which is positioned outside the square groove, is fixedly connected with a second motor 711; the outer circular surface of the rotating shaft 79 close to the second motor 711 is fixedly connected with a rotating handle 710; one end of the rotating shaft 79, which is positioned in the square groove, is fixedly connected with a driving gear 78, and the driving gear 78 is meshed with a driven gear 77; the lower ends of the front outer surfaces of the first side supporting plate 1 and the second side supporting plate 2 are fixedly connected with an uncoiling mechanism 712.

During operation, most rewinding units in the existing winding film slitting rewinder are connected through connecting rods, the connecting rods need to be disassembled firstly after rewinding of the winding films is finished, then the rewinding units are taken out, the disassembling process of the connecting rods is very complicated, a large amount of time needs to be delayed, the working efficiency is influenced, and after the rewinding units are installed, if the rewinding units are instable to install, accidents are easy to occur during processing; according to the rewinding mechanism 7, the second motor 711 is started to drive the rotating shaft 79 to rotate, the driving gear 78 is driven to rotate, the driving gear 78 drives the driven gear 77 meshed with the driving gear 78 to rotate, the rewinding roller 76 is driven to rotate to rewind the wound film, after the rewinding of the wound film is finished, the rewinding roller 76 is pulled forward, the bearing 75 is driven to push the sliding plate 72 to compress the second spring 73, then the rewinding roller 76 can be lifted upwards to take down the rewinding roller 76, after the wound film is taken down, the rewinding roller 76 is placed on the arc surface of the sliding plate 72 to be pressed downwards, the rewinding roller 76 slides down from the arc surface, the bearing 75 enters the strip-shaped groove in the supporting plate 71, the sliding plate 72 and the limiting plate 74 limit the bearing 75, the driven gear 77 is meshed with the driving gear 78, the second motor 711 is started to rewind a new round, and the rotating handle 710 can assist the end of the wound film to be wound on the rewinding roller 76; by arranging the rewinding mechanism 7, the problem of complex disassembly caused by connection of the connecting rods can be avoided, the rewinding rollers 76 can be easily taken down and installed, a large amount of time is saved, the working efficiency is improved, and meanwhile, accidents caused by instable installation are avoided.

As an embodiment of the present invention, as shown in fig. 5, the distance between two rewinding rollers 76 in the rewinding mechanism 7 is greater than the thickness of the film roll to be rewound.

During operation, when the slitting rewinding machine set works, the rewinding operation may not be finished due to the fact that the thickness of a wound film roll to be rewound is large, the rewound wound film roll on the rewinding roller 76 is already in contact with and extruded to another rewinding roller 76, the rewinding operation cannot be continued, and the rewinding failure phenomenon is caused; according to the invention, the distance between the two rewinding rollers 76 in the rewinding mechanism 7 is limited to be larger than the thickness of the film roll to be rewound, so that the rewinding roller 76 can not contact with the other rewinding roller 76 in the rewinding process, the rewinding operation is ensured to be smoothly carried out, and the rewinding failure phenomenon is avoided.

As an embodiment of the present invention, as shown in fig. 7, the unwinding mechanism 712 includes a base 7121, a projection 7122, a rotating block 7123, an electro-hydraulic push rod 7124, a claw hook 7125 and a placing block 7126; the front sides of the first side supporting plate 1 and the second side supporting plate 2 are provided with a base 7121; the two sides of the upper surface of the base 7121 are symmetrically and fixedly connected with lugs 7122 close to the edge; the middle position of the outer surface of one side of the bump 7122 close to the middle position of the base 7121 is rotatably connected with a rotating block 7123; the outer surfaces of the rear sides of the rotating blocks 7123 are fixedly connected with electro-hydraulic push rods 7124; one end of the electro-hydraulic push rod 7124 is fixedly connected with a claw hook 7125; the upper surface of the base 7121 is fixedly connected with a placing block 7126 corresponding to the position of the electro-hydraulic push rod 7124.

During working, the rewinding roller 76 is limited by the supporting plate 71, the limiting plate 74, the sliding plate 72 and the second spring 73, so that the phenomenon that the rewinding roller 76 falls off in the rewinding process is prevented, the second spring 73 has high elasticity, and in addition, the rewinding roller 76 has heavy weight after rewinding is finished, so that workers need to pay large physical force during unwinding operation, and the phenomena that the rewinding roller 76 is damaged and a wound film roll is scrapped due to the falling of the rewinding roller 76 easily occur; according to the invention, by arranging the unwinding mechanism 712, the electro-hydraulic push rod 7124 is started to extend to a proper position, the rotating block 7123 is started to rotate to enable the claw hook 7125 to rotate, rise and hook the two ends of the rewinding roller 76 positioned below, the electro-hydraulic push rod 7124 contracts to compress the second spring 73, the rotating block 7123 rotates to drive the claw hook 7125 to rotate and rise, the electro-hydraulic push rod 7124 contracts to the shortest length, the rotating block 7123 rotates to drive the claw hook 7125 to rotate and fall, the above operation is repeated, the rewinding roller 76 positioned above is dismounted, and after a winding film roll on the rewinding roller 76 is dismounted, the rewinding roller 76 is mounted back through the cooperation of the rotating block 7123 and the electro-hydraulic push rod 7124; by arranging the coil stripping mechanism 712, the rewinding machine can replace workers to strip the rewinding roller 76, avoids the phenomenon that the rewinding roller 76 falls off, prevents the rewinding roller 76 from being damaged due to falling, and prevents the phenomenon that the rewound winding film coil is scrapped due to falling.

As an embodiment of the present invention, the cross-section of the claw hook 7125 is "C" shaped as shown in fig. 7.

During operation, in the process of coil stripping operation, the rotating block 7123 and the electro-hydraulic push rod 7124 are required to be matched with each other to enable the claw hook 7125 to rotate around the rotating block 7123, ascend, descend, extend and shorten to strip the rewinding roller 76, and in the process, the rewinding roller 76 may slip off due to the fact that the inclination angle of the electro-hydraulic push rod 7124 is too high, so that the rewinding roller 76 is damaged and the wound film coil is discarded; according to the invention, the cross section of the claw hook 7125 is limited to be C-shaped, so that a good fixing effect on the rewinding roller 76 can be kept in the coil stripping process, the phenomenon that the rewinding roller 76 falls off is prevented, and the damage of the rewinding roller 76 and the scrapping of a wound film coil are avoided.

The using method comprises the following steps: when the invention is used, the control console 5 controls the push rod to push the unwinding roller 3 to be far away from the first side support plate 1 and the second side support plate 2, after a to-be-rewound and wound film roll is placed, the control push rod pulls the unwinding roller 3 to return to a position between the first side support plate 1 and the second side support plate 2, the end of the to-be-rewound and wound film is found and pulled, the end of the to-be-rewound and wound film is wound around the tensioning roller group 4 and onto the rewinding roller 76 in the rewinding mechanism 7, the rotary handle 710 is rotated to wind the end of the wound film onto the rewinding roller 76, the first electric telescopic rod 64 is started to retract, the hinge rod 68 is pulled to start moving, the knife rests 66 are driven to stretch equidistantly to enable the distance of the blades 611 on the two adjacent knife rests 66 to meet the technological standard, the first motor 610 is started to drive the cutting auxiliary shaft 61 to rotate, the fixed plate 62, the fixed block 65 and the rotary auxiliary rod 67 are driven to rotate, the knife rests 66 are driven to rotate, the cutting angle of the blades 611 is adjusted, the second motor 711 is started to drive the rotating shaft 79 to rotate, the driving gear 78 is driven to rotate, the driving gear 78 drives the driven gear 77 meshed with the driving gear to rotate, the rewinding roller 76 is driven to rotate to rewind the wound film, the second motor 711 is closed after the wound film with a certain length is rewound, the rewound wound film is removed, the cut wound film is wound on the two rewinding rollers 76 respectively, the second motor 711 is started to rewind, after the rewinding of the wound film is finished, the electro-hydraulic push rod 7124 is started to extend to a proper position, the rotating block 7123 is started to rotate, the claw 7125 rotates and rises to hook the two ends of the rewinding roller 76 at the lower part, the electro-hydraulic push rod 7124 contracts to compress the second spring 73, the rotating block 7123 rotates to drive the claw 7125 to rotate and rise, the push rod 7124 contracts to the shortest, the electro-hydraulic rotating block 7123 rotates to drive the claw 7125 to rotate and fall, the operation is repeated, the rewinding roller 76 at the upper part is dismounted, after the winding film roll on the rewinding roller 76 is unloaded, the rewinding roller 76 is installed back through the cooperation of the rotating block 7123 and the electro-hydraulic push rod 7124.

The electric elements in the document are electrically connected with an external main controller and 220V mains supply through a transformer, the main controller can be a conventional known device controlled by a computer and the like, the product model provided by the invention is only used according to the structural characteristics of the product, the product can be adjusted and modified after being purchased, so that the product is more matched with and accords with the technical scheme of the invention, the product model is a technical scheme of the optimal application of the technical scheme, the product model can be replaced and modified according to the required technical parameters, and the product model is familiar to the technical personnel in the field, so that the technical scheme provided by the invention can clearly obtain the corresponding use effect.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A winding film slitting and rewinding unit comprises:

a first side supporting plate (1) and a second side supporting plate (2); a tensioning roller set (4) is arranged between the first side supporting plate (1) and the second side supporting plate (2);

the rewinding mechanism (7) is arranged on the outer surfaces of the front sides of the first side supporting plate (1) and the second side supporting plate (2);

the unwinding roller (3) is movably connected with the position, close to the rear side edge, of the outer surface of the left side of the second side supporting plate (2) through a set push rod;

the console (5) is fixedly arranged at the middle position of the rear side inclined plane of the first side supporting plate (1); and

a cutting mechanism (6);

it is characterized in that the preparation method is characterized in that,

cutting mechanism (6) just in the circular recess that the position was seted up on the upper side in the middle of first lateral plate (1) right side excircle face, the one end of cutting mechanism (6) runs through first lateral plate (1), and its other end rotates to be connected on second lateral plate (2) left side surface, can drive the cutting knife equidistance and stretch.

2. A winding film slitting rewinding unit according to claim 1, characterized in that: the cutting mechanism (6) comprises a cutting auxiliary shaft (61), a fixed plate (62), a movable plate (63), a first electric telescopic rod (64), a fixed block (65), a knife rest (66), a rotary auxiliary rod (67), a hinge rod (68), an adjusting mechanism (69), a first motor (610) and a blade (611);

a circular groove is formed in the upper middle of the outer surface of the right side of the first side supporting plate (1); a cutting auxiliary shaft (61) is arranged in the circular groove; one end of the cutting auxiliary shaft (61) penetrates through the first side supporting plate (1) and is fixedly connected with a first motor (610); the other end of the cutting auxiliary shaft (61) is rotatably connected to the outer surface of the left side of the second side supporting plate (2);

a fixing plate (62) is fixedly connected to the position, close to the bottom surface of the circular groove, of the outer circular surface of the cutting auxiliary shaft (61); a movable plate (63) is sleeved on the right side, close to the fixed plate (62), of the outer circular surface of the cutting auxiliary shaft (61); a fixed block (65) is fixedly connected to the position, close to the right end edge, of the outer circular surface of the cutting auxiliary shaft (61); uniformly distributed tool rests (66) are sleeved on the outer circular surface of the cutting auxiliary shaft (61) between the movable plate (63) and the fixed block (65);

two first electric telescopic rods (64) are symmetrically and fixedly connected to the upper end of the outer surface of the right side of the fixed plate (62), and one ends of the first electric telescopic rods (64) are fixedly connected to the outer surface of the left side of the movable plate (63); the right outer surface of the fixed plate (62) is fixedly connected with an auxiliary rotating rod (67), and one end of the auxiliary rotating rod (67) penetrates through the movable plate (63) and the tool rest (66) and is fixedly connected to the left outer surface of the fixed block (65);

the upper surface of each knife rest (66) close to the rear side edge is hinged with two hinge rods (68) in a crossed manner through a pin rod, and the hinge rods (68) hinged to the two adjacent knife rests (66) in a crossed manner are hinged through rivets; the left ends of the two hinge rods (68) at the leftmost end are hinged and rotatably connected to the outer surface of the right side of the movable plate (63); the right ends of the two hinge rods (68) at the rightmost end are hinged and rotatably connected to the outer surface of the left side of the fixed block (65);

a cavity is formed in each knife rest (66); an adjusting mechanism (69) is arranged in the cavity, and the adjusting mechanism (69) penetrates through the side walls of the left side and the right side of the cavity and extends to the outside of the tool rest (66); a blade (611) is arranged in the cavity, and the blade (611) penetrates through the front side wall of the cavity and extends to the outside of the tool rest (66).

3. A machine set for slitting and rewinding wrapping film according to claim 2, characterized in that: when the first electric telescopic rod (64) retracts to the limit, two hinge rods (68) hinged to the upper surface of the tool rest (66) are still in a crossed state.

4. A machine set for slitting and rewinding wrapping film according to claim 2, characterized in that: the outer surface of the left side of the fixed block (65) and the end face of the right side of the to-be-rewound winding film roll are in the same plane.

5. A machine set for slitting and rewinding wrapping film according to claim 2, characterized in that: the adjusting mechanism (69) comprises a first spring (691), a sliding block (692), a fixing rod (693) and a second electric telescopic rod (694);

a cavity is formed in each knife rest (66); two first springs (691) are symmetrically and fixedly connected to the middle position of the rear side surface of the cavity; one end of each of the two first springs (691) is fixedly connected with a sliding block (692); the upper surface of the sliding block (692) is provided with a trapezoidal knife placing groove, and the knife placing groove penetrates through the outer surface of the front side of the sliding block (692); a blade (611) is arranged in the blade placing groove; a fixing rod (693) is arranged on the outer surface of the left side of the sliding block (692) at a position corresponding to the knife groove, and the fixing rod (693) penetrates through the sliding block (692) and the blade (611) and extends to the outside of the knife rest (66); the lower end of the front side surface of the cavity is fixedly connected with a second electric telescopic rod (694).

6. A machine set for slitting and rewinding wrapping film according to claim 4, characterized in that: a knife changing edge (695) is arranged on the upper surface of the knife rest (66) at a position corresponding to the blade (611); the position, close to the front side edge, of the upper surface of the knife rest (66) is rotatably connected with a baffle plate (696) through a rivet; the middle position of the lower surface of the baffle (696) is fixedly connected with a rubber stop block (697).

7. A winding film slitting rewinding unit according to claim 1, characterized in that: the rewinding mechanism (7) comprises a supporting plate (71), a sliding plate (72), a second spring (73), a limiting plate (74), a bearing (75), a rewinding roller (76), a driven gear (77), a driving gear (78), a rotating shaft (79), a rotating handle (710), a second motor (711) and a coil unloading mechanism (712);

two supporting plates (71) are fixedly connected to the outer surfaces of the front sides of the first supporting plate (1) and the second supporting plate (2) close to the edge of one side of the tensioning roller group (4); strip-shaped grooves are formed in the middle of the upper surface of the supporting plate (71); the upper surfaces of the supporting plates (71) are all connected with sliding plates (72) in a sliding manner; the outer surface of the front side of the sliding plate (72) is symmetrically and fixedly connected with two second springs (73), and one ends of the second springs (73) are fixedly connected to the supporting plate (71); limiting plates (74) are fixedly connected to the outer surfaces of the front sides of the first side supporting plate (1) and the second side supporting plate (2) close to the upper parts of the supporting plates (71);

rewinding rollers (76) are arranged between the two supporting plates (71) corresponding to the outer surfaces of the front sides of the first supporting plate (1) and the second supporting plate (2); a bearing (75) is fixedly connected to the position of the outer circular surface of the rewinding roller (76), which corresponds to the strip-shaped groove; driven gears (77) are fixedly connected to the positions, close to the edges of the two ends, of the outer circular surface of the rewinding roller (76), and the diameter of each driven gear (77) is the same as that of the roller of the rewinding roller (76);

the upper ends of the outer surfaces of the front sides of the first side supporting plate (1) and the second side supporting plate (2) are provided with square grooves; the upper ends of the outer surfaces of one sides of the first side supporting plate (1) and the second side supporting plate (2) far away from the rewinding roller (76) are fixedly connected with rotating shafts (79) at positions close to the edges, and one ends of the rotating shafts (79) respectively penetrate through the outer surfaces of the first side supporting plate (1) and the second side supporting plate (2) and extend into the square grooves; one end of the rotating shaft (79) positioned outside the square groove is fixedly connected with a second motor (711); the outer circle surface of the rotating shaft (79) is fixedly connected with a rotating handle (710) at a position close to the second motor (711); one end of the rotating shaft (79) positioned in the square groove is fixedly connected with a driving gear (78), and the driving gear (78) is meshed with a driven gear (77);

the lower ends of the front outer surfaces of the first side supporting plate (1) and the second side supporting plate (2) are fixedly connected with an uncoiling mechanism (712).

8. A machine set for slitting and rewinding wrapping film according to claim 7, characterized in that: the distance between two rewinding rollers (76) in the rewinding mechanism (7) is larger than the thickness of the film roll to be rewound.

9. A machine set for slitting and rewinding wrapping film according to claim 7, characterized in that: the coil stripping mechanism (712) comprises a base (7121), a convex block (7122), a rotating block (7123), an electro-hydraulic push rod (7124), a claw hook (7125) and a placing block (7126);

the front sides of the first side supporting plate (1) and the second side supporting plate (2) are provided with a base (7121); the two sides of the upper surface of the base (7121) are symmetrically and fixedly connected with lugs (7122) close to the edge; the middle position of the outer surface of one side of the bump (7122) close to the middle position of the base (7121) is rotatably connected with a rotating block (7123); the outer surfaces of the rear sides of the rotating blocks (7123) are fixedly connected with electro-hydraulic push rods (7124); one end of each electro-hydraulic push rod (7124) is fixedly connected with a claw hook (7125); the upper surface of the base (7121) corresponds to the position of the electro-hydraulic push rod (7124) and is fixedly connected with a placing block (7126).

10. A machine set for slitting and rewinding wrapping film according to claim 8, characterized in that: the cross section of the claw hook (7125) is C-shaped.