CN212863484U - Special splitting machine for bundling film - Google Patents

Abstract

The utility model discloses a special cutting machine of bundling film, including the frame, set gradually feeding device, cut device, rewinding unit according to the trend of film in the frame, cut the device and be used for cutting raw materials film, the rewinding unit sets up in the top of cutting the device, and the rewinding unit is used for carrying out the rewinding with the film of cutting the completion, the utility model discloses can cut the requirement of size according to the film and carry out accurate cutting to the film to cut size error within 0.05mm, can improve and cut the precision and cut the effect, and the slitting blade can freely adjust the interval, and then can be applicable to multiple requirement of cutting, improve the practicality, and the interval between the slitting blade is adjusted accurately, can improve greatly and cut the precision and cut the effect.

Description

Special splitting machine for bundling film

Technical Field

The utility model relates to a roll up membrane cutting machine, specific theory relates to a divide the special cutting machine of binding up membrane of accurate, the tight reality of rewinding of cutting size, belongs to new material production facility technical field.

Background

The binding film cutting machine is a slitting rewinding device for slitting a raw material film according to actual required size, the structure of the existing binding film cutting machine in the current market mainly comprises a feeding device, a fixing device, a slitting device and a rewinding device, the working principle of the binding film cutting machine is that the film to be processed is fed into the fixing device through the feeding device, then the fixing device fixes the film, the fixing device can conveniently and accurately master slitting size requirements, the fixing device feeds the film into the slitting device, the slitting device sets the size in advance, the film is slit, the film is fed into the rewinding device after being slit, and the rewinding device winds the slit film.

The splitting machine can smoothly split and wind the film to be processed, but has the following defects: firstly, the size is difficult to master when cutting the film, great error appears easily, secondly when coiling the film of accomplishing to cutting, it is not firm to have a roll membrane, appears in disorder phenomenon easily.

SUMMERY OF THE UTILITY MODEL

The to-be-solved main technical problem of the utility model is to overcome the above-mentioned defect of traditional binding film cutting machine, provide a special cutting machine of binding film that divides the cutting size accurate, the rewinding is tight real.

In order to solve the technical problem, the utility model provides a following technical scheme:

the special splitting machine for the binding film comprises a rack, wherein a feeding device, a splitting device and a rewinding device are sequentially arranged on the rack according to the trend of the film, the splitting device is used for splitting a raw material film, the rewinding device is arranged above the splitting device, and the rewinding device is used for rewinding the split film.

The following is the utility model discloses to above-mentioned technical scheme's further optimization:

the rewinding device comprises a main rotating shaft, rewinding assemblies are movably arranged on two sides of the main rotating shaft respectively, and the rewinding assemblies are driven by a driving assembly to be close to or far away from the main rotating shaft.

Further optimization: two ends of the main rotating shaft are respectively connected with the rack in a rotating manner, and the main rotating shaft is driven by the power driving assembly to rotate.

Further optimization: the rewinding assembly comprises rewinding rollers respectively arranged above two sides of the main rotating shaft, and two ends of the rewinding rollers are respectively rotatably connected with the supporting assembly movably arranged on the rack.

Further optimization: the supporting component comprises a supporting seat, the two ends of the rewinding roller are respectively rotatably connected with the supporting seat, and one end, far away from the rewinding roller, of the supporting seat is rotatably connected with the rack through a supporting shaft.

Further optimization: the driving assembly comprises a driving cylinder arranged on one side of the supporting seat, a frame movable connection is arranged at the mounting end of the driving cylinder, and a telescopic end of the driving cylinder is movably connected to the supporting seat.

Further optimization: the slitting device comprises a blade mounting shaft and a knife rest roller which are arranged in parallel, a slitting channel is arranged between the blade mounting shaft and the knife rest roller, a plurality of slitting cutter assemblies are movably arranged on the blade mounting shaft at intervals in sequence, and a gap between every two adjacent slitting cutter assemblies is adjusted through a positioning die assembly.

Further optimization: the slitting knife assembly comprises a mounting seat which is slidably connected to the blade mounting shaft, a slitting blade can be detachably arranged at the front end of the mounting seat, and one end, far away from the mounting seat, of the slitting blade is in contact with the knife pillow roller.

Further optimization: a plurality of annular cutter grooves are formed in the outer surface of the cutter pillow roller, and the cutter grooves are uniformly distributed at intervals in sequence along the axial direction of the cutter pillow roller.

Further optimization: the positioning die assembly comprises a threaded rod which is arranged above the mounting seat and is arranged in parallel with the axis of the blade mounting shaft, and a plurality of adjustable dies used for limiting the distance between two adjacent mounting seats are sleeved on the threaded rod.

The above technical scheme is adopted in the utility model, when using, can place the film reel of waiting to cut the rewinding on the support frame, then establish the fiber container with the cover on the rewinding roller to make the rewinding roller aerify and make its whole surface diameter increase, and then with the firm fixing of paper tube on the rewinding roller.

And then the free end of the rewinding film to be slit sequentially winds around a second roller, a first feeding transfer roller, a second feeding transfer roller and a third feeding transfer roller and enters a slitting channel.

At the moment, the first feeding transfer roller, the second feeding transfer roller and the third feeding transfer roller rotate to drive the film to be slit and rewound to move and enter the slitting channel, the bottom surface of the film is in contact with the cutter pillow roller after the film enters the slitting channel, the upper surface of the film is in contact with the slitting blade, the film is slit, and then the slit film bypasses the guide transfer roller and is reversed to sequentially pass through the paper tube wound on the rewinding roller through the main rotating shaft.

Then the driving cylinder outputs power to enable the telescopic end to extend out to drive the supporting seat to rotate along the supporting shaft, and further the rewinding roller and the paper tube are driven to be close to and tightly pressed on the main rotating shaft.

At the moment, the driving transmission shaft rotates to drive the film to move and the rewinding roller to rotate through friction force, the rewinding roller rotates to drive the paper tube to synchronously rotate, and then the rewinding roller rotates to rewind the film on the paper tube of the rewinding roller, so that the film is cut and rewound.

After rewinding, the driving cylinder outputs power to enable the telescopic end to retract to drive the supporting seat to rotate along the supporting shaft, so that the rewinding roller and the paper cylinder are driven to be far away from the main rotating shaft, then the film can be cut, and cutting-rewinding is achieved.

Then the rewinding roller is deflated to reduce the diameter of the whole outer surface of the rewinding roller, so that the paper tube rewound with the film can be conveniently taken down.

The above technical scheme is adopted in the utility model, think about ingenious, rational in infrastructure, can cut the requirement of size according to the film and carry out the accuracy to the film and cut to cut size error within 0.05mm, can improve and cut the precision and cut the effect, and the slitting blade can freely adjust the interval, and then can be applicable to multiple requirement of cutting, improves the practicality, and the interval between the slitting blade is adjusted accurately, can improve greatly and cut the precision and cut the effect.

And rewinding degree of automation is high, the rewinding roller is driven by friction force of the main rotating shaft to rotate during rewinding, the rewinding roller keeps pressing force pressed on the main rotating shaft all the time, then the film which is slit, rewound and rewound can be rewound on the paper tube of the rewinding roller tightly under the effect of the pressing force, rewinding effect is improved, and the film which is rewound is prevented from being loose.

The present invention will be further explained with reference to the drawings and examples.

Drawings

Fig. 1 is a schematic diagram of the overall structure of an embodiment of the present invention;

FIG. 2 is a top view of FIG. 1;

fig. 3 is a schematic structural diagram of a rewinding device in an embodiment of the present invention;

fig. 4 is a schematic structural view of a slitting device in an embodiment of the present invention;

FIG. 5 is a cross-sectional view taken along line A-A of FIG. 4;

fig. 6 is a schematic structural view of an adjustable mold according to an embodiment of the present invention.

In the figure: 1-driving a cylinder; 3-supporting the shaft; 4-rewinding roller; 5-a main rotating shaft; 61-a first feed transfer roll; 62-a second feed transfer roll; 63-a third feed transfer roller; 64-a guide roller; 7-a cutter pillow roller; 8, a motor; 9-a counter; 10-a support frame; 11-a frame; 12-blade mounting shaft; 13-slitting blade; 14-a first roller; 15-a second roller; 17-a support seat; 18-an adjustable mold; 19-a knife slot; 20-a mounting seat; 21-threaded rod.

Detailed Description

The embodiment of the invention refers to fig. 1-6, and a special splitting machine for binding films comprises a frame 11, wherein a feeding device, a splitting device and a rewinding device are sequentially arranged on the frame 11 according to the direction of a film, the splitting device is used for splitting a raw material film, the rewinding device is arranged above the splitting device, and the rewinding device is used for rewinding the split film.

Cut device including parallel arrangement's blade installation axle 12 and pillow roller 7, the both ends of blade installation axle 12 and pillow roller 7 are connected with frame 11 respectively, be equipped with between blade installation axle 12 and the pillow roller 7 and cut the passageway, the activity is provided with a plurality of cutter subassemblies that divide in proper order at intervals on blade installation axle 12, the clearance between the cutter subassembly is adjusted through location mould subassembly to two adjacent branches.

The two ends of the blade mounting shaft 12 are respectively connected with the rack 11, and the blade mounting shaft 12 is used for supporting and mounting a slitting knife assembly.

The slitting knife assembly comprises a mounting seat 20, and a slitting blade 13 is detachably arranged at the front end of the mounting seat 20.

The mounting seat 20 is connected with the blade mounting shaft 12 in a sliding mode, and one end, far away from the mounting seat 20, of the slitting blade 13 is in contact with the knife rest roller 7.

By the design, the mounting seat 20 can be used for supporting and mounting the slitting blades 13, the mounting seat 20 is in sliding connection with the blade mounting shaft 12, and when the mounting seat 20 moves relative to the blade mounting shaft 12, the distance between two adjacent slitting blades 13 can be adjusted, so that the width of the film slitting is adjusted.

When the film slitting machine is used, a film to be slit is fed into the slitting channel through the feeding device, the bottom surface of the film is contacted with the knife pillow roller 7, the upper surface of the film is contacted with the slitting blade 13, and the film can be slit into required sizes through the slitting blade 13 when the film is driven by migration.

The outer surface of the cutter pillow roller 7 is provided with a plurality of annular cutter grooves 19, and the cutter grooves 19 are respectively and uniformly distributed at intervals along the axial direction of the cutter pillow roller 7.

The end of the slitting blade 13 remote from the mounting seat 20 is arranged in the knife groove 19 of the knife pillow roller 7.

By the design, the cutter groove 19 can be used for limiting the axial position of the slitting blade 13 on the cutter pillow roller 7, so that the slitting blade 13 is more stable, deviation can not occur, the slit strip-shaped film is more regular, and the quality and the effect of slitting the film are improved.

The positioning die assembly comprises a threaded rod 21 which is arranged above the mounting seats 20 and arranged parallel to the axis of the blade mounting shaft 12, and a plurality of adjustable dies 18 used for limiting the distance between two adjacent mounting seats 20 are sleeved on the threaded rod 21.

The overall structure of the adjustable die 18 is cylindrical, and the overall axial length of the adjustable die 18 is equal to the distance between two adjacent mounting seats 20.

The adjustable die 18 is of a variety of sizes and thus may be used to define different spacings between adjacent mounts 20.

The adjustable dies 18 are respectively arranged between two adjacent mounting seats 20, and two ends of each adjustable die 18 are respectively in contact with the two corresponding adjacent mounting seats 20, so as to limit the distance between the two adjacent mounting seats 20.

By the design, the adjustable dies 18 of different models can be selected according to different film cutting size requirements.

The overall axial length dimension error of the adjustable die 18 is 0-0.05 mm.

By designing in this way, the adjustable die 18 on the threaded rod 21 can limit the spacing between the mounting seats 20, and further can be used for limiting the position and the gap between the slitting blades 13, so that the size error in slitting the film can be reduced, and the size error is ensured to be within 0.05 mm.

Nuts for clamping the adjustable die 18 and the mounting seat 20 are respectively screwed on the threaded rod 21 at positions close to the two ends.

The opposite inner sides of the two nuts on the threaded rod 21 are respectively contacted with the corresponding outermost mounting seats 20.

When the two nuts on the threaded rod 21 move towards the opposite inner sides respectively, the mounting seats 20 can be jacked to approach each other and abut against the adjustable die 18 respectively, so that the adjustable die 18 and the mounting seats 20 are clamped, and further the adjustable die 18 can be used for limiting the distance between the two adjacent mounting seats 20.

When the film to be cut is conveyed into the cutting channel by the feeding device, the bottom surface of the film is contacted with the knife pillow roller 7, and the upper surface of the film is contacted with the cutting blade 13 on the knife groove 19.

The slitting blades 13 are limited by the adjustable die 18 and fixedly mounted on the mounting base 20, and then the distance between two adjacent slitting blades 13 is fixed by the adjustable die 18, and at the moment, the slitting blades 13 slit the film according to the size requirement.

Arc-shaped grooves are respectively formed in the positions, close to the threaded rods 21, of the mounting seats 20, and the threaded rods 21 are placed in the arc-shaped grooves.

By the design, the threaded rod 21 can be conveniently placed through the arc-shaped groove, the positioning die can be conveniently detached, the adjustable die 18 can be conveniently replaced, and the application range and the application effect are further improved.

The rewinding device comprises a main rotating shaft 5, the axis of the main rotating shaft 5 is parallel to the axis of the pillow knife roller 7, rewinding assemblies are movably arranged on two sides of the main rotating shaft 5 respectively, and the rewinding assemblies are driven by driving assemblies to be close to or far away from the main rotating shaft 5.

Two ends of the main rotating shaft 5 are respectively connected with the frame 11 in a rotating manner, and the main rotating shaft 5 is driven by the power driving assembly to rotate.

The rewinding assembly comprises rewinding rollers 4 respectively arranged above two sides of the main rotating shaft 5, and two ends of the rewinding rollers 4 are respectively rotatably connected with supporting assemblies movably arranged on the rack 11.

The supporting component comprises a supporting seat 17, two ends of the rewinding roller 4 are respectively rotatably connected with the supporting seat 17, and one end, far away from the rewinding roller 4, of the supporting seat 17 is rotatably connected with the rack 11 through a supporting shaft 3.

The back shaft 3 and the frame 11 fixed connection, the fixed support bearing that is provided with in the junction of supporting seat 17 and back shaft 3, back shaft 3 and support bearing are used for supporting the rotation of supporting seat 17.

The drive assembly is including setting up the drive actuating cylinder 1 that drives in supporting seat 17 one side, the installation end a frame 11 swing joint that drives actuating cylinder 1, the flexible end swing joint that drives actuating cylinder 1 just is located the top of back shaft 3 on supporting seat 17.

The driving cylinder 1 outputs power to enable the telescopic end to extend out or retract, the supporting seat 17 is driven to rotate along the supporting shaft 3 when the telescopic end of the driving cylinder 1 extends out or retracts, and the supporting seat 17 can drive the rewinding roller 4 to be close to or far away from the main rotating shaft 5 when rotating along the supporting shaft 3.

Design like this, when using, can with the paper tube is established to the cover on rewinding roller 4, then will cut the device and cut the film of accomplishing and walk around main axis of rotation 5 and twine on the paper tube on rewinding roller 4, then make and drive 1 output power of actuating cylinder and make flexible end stretch out and drive supporting seat 17 and rotate along back shaft 3, and then realize driving rewinding roller 4 and paper tube and be close to and compress tightly on main axis of rotation 5.

At the moment, the main rotating shaft 5 rotates to drive the film to move and the rewinding roller 4 to rotate through friction, the rewinding roller 4 rotates to drive the paper tube to synchronously rotate, and then the rewinding roller 4 rotates to rewind the film on the paper tube of the rewinding roller 4.

The rewinding roller 4 keeps pressing force pressed on the main rotating shaft 5 all the time under the jacking force of the driving cylinder 1, and then the film which is cut and rewound can be rewound tightly on the paper tube of the rewinding roller 4 under the pressing force, so that the rewinding effect is improved, and the film which is rewound is prevented from being loose.

After rewinding, the driving cylinder 1 outputs power to enable the telescopic end to retract and drive the supporting seat 17 to rotate along the supporting shaft 3, so that the rewinding roller 4 and the paper cylinder are driven to be far away from the main rotating shaft 5, then the film can be cut, and cutting-rewinding is achieved.

The rewinding roller 4 is an inflatable shaft, the operation of the inflatable shaft is stopped by high-pressure gas, the inflatable shaft is connected with an external high-pressure gas source, the external high-pressure gas source provides high-pressure gas, the inflated surface of the inflatable shaft is protruded, the diameter of the whole outer surface of the inflatable shaft is increased, and the deflated surface part of the inflatable shaft is quickly retracted to reduce the diameter of the whole outer surface of the inflatable shaft.

When this rewinding roller 4 aerifys and makes its whole surface diameter increase, can make the paper pipe of cover on rewinding roller 4 more firm, guarantee that rewinding roller 4 drives the paper pipe and can not skid when carrying out the rewinding, improve the rewinding effect.

When the rewinding roller 4 is deflated to reduce the diameter of the whole outer surface of the rewinding roller, the paper tube sleeved on the rewinding roller 4 can be conveniently taken down.

The inflatable shaft is the prior art and can be directly purchased and obtained from the market.

Rewinding roller 4 adopts to dismantle to rotate with supporting seat 17 and is connected, and design like this can conveniently install and tear this rewinding roller 4 open on supporting seat 17.

The power driving assembly comprises a motor 8 arranged on one side of the rack 11, and a power output end of the motor 8 is rotatably connected with the main rotating shaft 5 through a transmission assembly.

The transmission component is in the prior art and can be a chain wheel, a chain transmission, a gear transmission, a belt wheel, a belt transmission and the like.

The power output end of the motor 8 outputs power, and the main rotating shaft 5 can be driven to rotate through the transmission of the transmission assembly.

And a counter 9 for detecting the length of the film rewound on the rewinding roller 4 is arranged below the main rotating shaft 5.

The detection end of the counter 9 is in contact with the main rotating shaft 5, the counter 9 counts the rotating turns of the main rotating shaft 5 when the main rotating shaft 5 rotates, and the length of the film rewound on the rewinding roller 4 can be accurately calculated through the counting.

The counter 9 is prior art, can directly purchase on the market and obtain, and count the film rewinding length through the number of turns of the main rotating shaft 5 of the counter 9 also is prior art, and the simple programming can be realized.

And a guide roller 64 for moving and reversing the film cut by the cutting device is arranged below the main rotating shaft 5 in parallel.

The guiding roller 64 is used for guiding and reversing the slit film so as to respectively convey the slit film to the rewinding rollers 4 on two sides of the main rotating shaft 5.

The feeding device comprises a first feeding transfer roller 61, a second feeding transfer roller 62 and a third feeding transfer roller 63 which are arranged on the frame 11, wherein the first feeding transfer roller 61, the second feeding transfer roller 62 and the third feeding transfer roller 63 are respectively arranged at intervals.

Two ends of the first feeding transfer roller 61, the second feeding transfer roller 62 and the third feeding transfer roller 63 are respectively connected with the frame 11 in a rotating manner.

The axes of the first feeding transfer roller 61, the second feeding transfer roller 62 and the third feeding transfer roller 63 are respectively arranged in parallel with the axis of the knife pillow roller 7.

The film to be slit sequentially bypasses the first feeding transfer roller 61, the second feeding transfer roller 62 and the third feeding transfer roller 63, and the first feeding transfer roller 61, the second feeding transfer roller 62 and the third feeding transfer roller 63 rotate to drive the film to move and feed to the slitting passage.

One side of the rack 11 is provided with an unwinding device, the unwinding device comprises a support frame 10, and the support frame 10 is used for supporting and placing a film winding drum to be slit and rewound.

The two ends of the central shaft of the film winding drum to be slit and rewound are respectively placed on the support frame 10, and the support frame 10 is used for supporting the central shaft to rotate.

A first roller 14 and a second roller 15 are arranged on one side of the supporting frame 10 close to the frame 11, two ends of the first roller 14 and the second roller 15 are respectively supported by a supporting component for rotation,

the supporting component is a supporting frame or a supporting seat.

The axes of the first roller 14 and the second roller 15 are respectively arranged in parallel with the axis of the first feeding roller 61.

The first roller 14 and the second roller 15 can be driven to rotate synchronously by a speed reduction motor.

When the film winding drum is used, a film winding drum to be slit and rewound can be placed on the support frame 10, then the paper drum is sleeved on the rewinding roller 4, the rewinding roller 4 is inflated to increase the diameter of the whole outer surface of the rewinding roller, and the paper drum is further firmly fixed on the rewinding roller 4.

Then, the free end of the rewinding film to be slit sequentially winds around the second roller 15, the first roller 14, the first feeding transfer roller 61, the second feeding transfer roller 62 and the third feeding transfer roller 63 and enters the slitting channel.

At this time, the first feeding transfer roller 61, the second feeding transfer roller 62 and the third feeding transfer roller 63 rotate to drive the film to be slit and rewound to move and enter the slitting channel, the bottom surface of the film is in contact with the knife rest roller 7 after the film enters the slitting channel, the upper surface of the film is in contact with the slitting blade 13, the film is slit, and the slit film bypasses the guide transfer roller 64 and is reversed to pass through the paper tubes wound on the rewinding rollers 4 through the main rotating shaft 5.

Then the driving cylinder 1 outputs power to enable the telescopic end to extend out to drive the supporting seat 17 to rotate along the supporting shaft 3, and further the rewinding roller 4 and the paper tube are driven to approach and tightly press the main rotating shaft 5.

At the moment, the driving transmission shaft 5 rotates to drive the film to move and the rewinding roller 4 to rotate through friction force, the rewinding roller 4 rotates to drive the paper tube to synchronously rotate, and then the rewinding roller 4 rotates to rewind the film on the paper tube of the rewinding roller 4, so that the film is cut and rewound.

After rewinding, the driving cylinder 1 outputs power to enable the telescopic end to retract to drive the supporting seat 17 to rotate along the supporting shaft 3, so that the rewinding roller 4 and the paper cylinder are driven to be far away from the main rotating shaft 5, then the film can be cut, and cutting-rewinding is achieved.

Then the rewinding roller 4 is deflated to reduce the diameter of the whole outer surface of the rewinding roller, so that the paper tube rewound with the film can be taken down conveniently.

For those skilled in the art, based on the teachings of the present invention, changes, modifications, substitutions and variations can be made to the embodiments without departing from the principles and spirit of the invention.

Claims (10)

1. The utility model provides a special cutting machine of membrane is tied up, includes frame (11), its characterized in that: the machine frame (11) is sequentially provided with a feeding device, a slitting device and a rewinding device according to the trend of the film, the slitting device is used for slitting the raw material film, the rewinding device is arranged above the slitting device, and the rewinding device is used for rewinding the slit film.

2. The special splitting machine for binding film according to claim 1, characterized in that: the rewinding device comprises a main rotating shaft (5), rewinding assemblies are movably arranged on two sides of the main rotating shaft (5) respectively, and the rewinding assemblies are driven by a driving assembly to be close to or far away from the main rotating shaft (5).

3. The special splitting machine for binding film according to claim 2, characterized in that: two ends of the main rotating shaft (5) are respectively and rotatably connected with the rack (11), and the main rotating shaft (5) is driven by the power driving component to rotate.

4. The special splitting machine for binding film according to claim 3, characterized in that: the rewinding assembly comprises rewinding rollers (4) respectively arranged above two sides of the main rotating shaft (5), and two ends of the rewinding rollers (4) are respectively rotatably connected with the supporting assemblies movably arranged on the rack (11).

5. The special splitting machine for binding film according to claim 4, characterized in that: the supporting component comprises a supporting seat (17), the two ends of the rewinding roller (4) are respectively rotatably connected with the supporting seat (17), and one end, far away from the rewinding roller (4), of the supporting seat (17) is rotatably connected with the rack (11) through a supporting shaft (3).

6. The special splitting machine for binding film according to claim 5, characterized in that: the driving assembly comprises a driving cylinder (1) arranged on one side of the supporting seat (17), a rack (11) at the mounting end of the driving cylinder (1) is movably connected, and a telescopic end of the driving cylinder (1) is movably connected to the supporting seat (17).

7. The special splitting machine for binding film according to claim 6, characterized in that: the slitting device comprises a blade mounting shaft (12) and a knife pillow roller (7) which are arranged in parallel, a slitting channel is arranged between the blade mounting shaft (12) and the knife pillow roller (7), a plurality of slitting cutter assemblies are movably arranged on the blade mounting shaft (12) at intervals in sequence, and a gap between every two adjacent slitting cutter assemblies is adjusted through a positioning die assembly.

8. The special splitting machine for binding film according to claim 7, characterized in that: the slitting knife assembly comprises a mounting seat (20) which is connected onto a blade mounting shaft (12) in a sliding mode, a slitting blade (13) is detachably arranged at the front end of the mounting seat (20), and one end, far away from the mounting seat (20), of the slitting blade (13) is in contact with the knife pillow roller (7).

9. The special splitting machine for binding film according to claim 8, characterized in that: a plurality of annular cutter grooves (19) are formed in the outer surface of the cutter pillow roller (7), and the cutter grooves (19) are sequentially and uniformly distributed at intervals along the axial direction of the cutter pillow roller (7).

10. The special splitting machine for binding film according to claim 9, characterized in that: the positioning die assembly comprises a threaded rod (21) which is arranged above the mounting seat (20) and is arranged in parallel with the axis of the blade mounting shaft (12), and a plurality of adjustable dies (18) used for limiting the distance between two adjacent mounting seats (20) are sleeved on the threaded rod (21).

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