CN209919945U

CN209919945U - Plastic film cutting machine with edge cutting function

Info

Publication number: CN209919945U
Application number: CN201920192977.6U
Authority: CN
Inventors: 秦玉涛
Original assignee: Qingdao Xinzhong Plastic Color Printing Co Ltd
Current assignee: Qingdao Xinzhong Plastic Color Printing Co Ltd
Priority date: 2019-02-13
Filing date: 2019-02-13
Publication date: 2020-01-10
Anticipated expiration: 2029-02-13

Abstract

The utility model discloses a plastic film cutting machine with edge cutting function, which relates to the technical field of cutting machines, and the technical proposal is characterized in that the plastic film cutting machine comprises a feeding roller, a cutting mechanism and a winding mechanism which are arranged on a frame in sequence, wherein the cutting mechanism comprises a cutter bar, at least two cutter rests sleeved on the cutter bar and a blade detachably connected on the cutter rests, the cutter rests are provided with mounting holes, and the axes of the mounting holes are arranged perpendicular to the cutter bar; the mounting hole is internally provided with a mounting column, the bottom end of the mounting column is divided into two sections, and the blade is clamped and fixed at the bottom end of the mounting column; the cutter frame slides relatively on the cutter rod, and a positioning bolt which is abutted against the cutter rod to fix the position is connected to the cutter frame in a threaded manner; and a graduated scale is arranged on one side of the cutter bar, which faces the wind-up roll, along the length direction of the cutter bar. The utility model provides an among the current plastic film printing process because of toasting and tensile the problem that leads to the unsatisfied design size of plastic film broad width change, can carry out the cutting edge to the plastic film of lapping, guarantee that the plastic film width satisfies the design requirement.

Description

Plastic film cutting machine with edge cutting function

Technical Field

The utility model relates to a cutting machine technical field, more specifically the saying so, it relates to a plastic film cutting machine with cut edge function.

Background

Existing product packaging is typically printed with pattern information on plastic film, which is typically printed by plastic film printers. The existing plastic film printing machine comprises a material sending mechanism, an ironing mechanism, a multicolor printing mechanism, a cooling and shaping mechanism and a winding mechanism, wherein the multicolor printing mechanism consists of a plurality of sets of printing unit mechanisms, each set of printing unit mechanism comprises a printing part, an oven drying part and a cooling part, and the cooling part is a transmission roller with an inner cavity into which cooling liquid is guided. The technological process includes ironing plastic film, printing in one color in one set of printing unit mechanism and stoving in oven to form required pattern.

Because the plastic film is in a tensioning state in the transmission process, when the plastic film is heated by the ironing mechanism and the oven part in the printing process, the plastic film is easy to stretch, so that the width of the plastic film is slightly changed. Therefore, when plastic films are printed, plastic film rolls with width slightly larger than the design requirement are generally used, and the requirement cannot be met when the requirement of customers on the width of the printed product is high.

SUMMERY OF THE UTILITY MODEL

Not enough to prior art exists, the utility model aims to provide a plastic film cutting machine with trimming function can carry out the trimming to the plastic film edge of printing for the broad width of plastic film printing article satisfies the designing requirement.

In order to achieve the above purpose, the utility model provides a following technical scheme: a plastic film splitting machine with an edge cutting function comprises a feeding roller, a cutting mechanism and a winding mechanism which are sequentially arranged on a rack, wherein the winding mechanism comprises a winding roller and a power assembly for driving the winding roller to rotate; the mounting hole is internally provided with a mounting column, the bottom end of the mounting column is divided into two sections, and the blade is clamped and fixed at the bottom end of the mounting column; the cutter frame slides relatively on the cutter rod, and a positioning bolt which is abutted against the cutter rod to fix the position is connected to the cutter frame in a threaded manner; and a graduated scale is arranged on one side of the cutter bar, which faces the wind-up roll, along the length direction of the cutter bar.

Through adopting above-mentioned technical scheme, will treat that the plastic film book of cutting is placed on the material loading roller, and the tip of plastic film is fixed on the wind-up roll. And loosening the positioning bolt on the tool rest, adjusting the position of the tool rest according to the movement of the graduated scale to enable the distance between the two blades to meet the requirement, and then screwing down the positioning bolt. The power component drives the plastic film to advance, and the blade cuts off the edge of the plastic film, so that the width of the plastic film meets the design requirement. When cutting is not required, the mounting post is moved upwards along the mounting hole, so that the blade is received in the mounting hole and is separated from the plastic film. Because the blade is clamped and fixed with the mounting column, when the blade needs to be replaced, the blade only needs to be pulled out and replaced by a new blade, and the operation is convenient.

The utility model discloses further set up to: one end of the mounting column, which is far away from the blade, is rotatably connected with a threaded column, the threaded column is in threaded connection with the mounting hole, and one end of the threaded column, which is far away from the mounting column, is provided with a handle; the surface of the mounting column is provided with a guide groove along the direction of the bus, and the lower part of the mounting hole is provided with a guide block matched with the guide groove.

Through adopting above-mentioned technical scheme, through rotatory handle, the handle drives the screw thread post and rotates, because the top threaded connection of screw thread post and mounting hole, the screw thread post stretches into or stretches out the mounting hole. The guide way on the erection column prevents with the guide block cooperation that the erection column from rotating, and the screw thread post drives the erection column and reciprocates along the mounting hole for the blade is accomodate in the mounting hole or is stretched out from the mounting hole. The mounting post moves along a fixed direction, and the cutting direction of the blade fixed on the mounting post is easier to control.

The utility model discloses further set up to: the tool rest is positioned on the side wall of the mounting hole and is provided with a sliding groove along the bus direction, and the upper end and the lower end of the sliding groove are provided with positioning holes along the circumferential direction of the mounting hole; the outer wall of erection column sets firmly the spacing post of wearing to locate the spout.

Through adopting above-mentioned technical scheme, remove spacing post and drive the erection column and rotate, spacing post removes the spout position, then can stimulate the erection column with holding the handle with the hand and reciprocate for the blade is accomodate in the mounting hole. So that the working state of the cutting mechanism can be selected as required.

The utility model discloses further set up to: the surface of the limiting column is provided with anti-skid lines.

Through adopting above-mentioned technical scheme, be difficult for skidding when fluctuating spacing post with the hand, the operation of being convenient for.

The utility model discloses further set up to: the graduated scale is sunken by 2-3mm towards the center of the cutter rod.

Through adopting above-mentioned technical scheme, wearing and tearing when avoiding the scale mark on the scale to be removed by the knife rest keep the clarity of scale.

The utility model discloses further set up to: a plurality of circular lantern rings are arranged below the tool rest in a horizontal mode, and the plurality of built-in rods are connected with the lantern rings in an inscribed mode and distributed; a circular seam is formed between two adjacent lantern rings, and the end part of the blade is inserted into the circular seam.

Through adopting above-mentioned technical scheme, the plastic film supports on the lantern ring, because blade tip stretches into in the circumferential weld, the plastic film advances the in-process and is cut by the blade automatically, and the plastic film edge is parallel and level.

The utility model discloses further set up to: the excess material collecting mechanism is installed on one side, close to the winding roller, of the rack and comprises an excess material roller and an excess material motor driving the excess material roller to rotate.

Through adopting above-mentioned technical scheme, the plastic film edge that cutting mechanism amputated can be concentrated collection processing by the winding of clout roller, keeps workplace's cleanness.

The utility model discloses further set up to: and the excess material roller is provided with a clamping seam.

Through adopting above-mentioned technical scheme, when beginning to cut, the tip of leftover bits can pass the centre gripping seam so that the clout roller rotates winding leftover bits, saves the operation of extra sticky tape with leftover bits cementation at the clout roller.

The utility model discloses further set up to: the feeding roller is an air expansion shaft.

Through adopting above-mentioned technical scheme, will wait that the plastic film book of cutting overlaps behind on the inflatable shaft, the inflatable shaft can be fixed the plastic film book, prevents to skid.

To sum up, the utility model discloses compare and have following beneficial effect in prior art:

1. a plurality of knife rests can be arranged on the knife bar, and the common width between the knife rests is adjusted in advance; when the edge cutting treatment is needed, the mounting columns at the corresponding positions are moved downwards, so that the blades are exposed for cutting, the positions of the tool rests do not need to be adjusted back and forth, and the cutting tool is convenient to use at the later stage;

2. the mounting column is detachably connected with the tool rest, and the blade is clamped on the mounting column, so that the damaged blade is convenient to maintain and replace;

3. the edge excess material after the plastic film is cut is collected by the excess material collecting mechanism, and the cleaning of a working place is kept.

Drawings

FIG. 1 is a schematic overall structure diagram according to a first embodiment;

FIG. 2 is a schematic diagram illustrating a positional relationship between structures according to a first embodiment;

FIG. 3 is a partial schematic view of a convex cutting mechanism according to an embodiment;

FIG. 4 is an exploded view of the components of a cutting mechanism according to one embodiment;

FIG. 5 is an enlarged view of portion A of FIG. 1 illustrating the structure of a cam positioning assembly according to one embodiment;

FIG. 6 is a cross-sectional view taken along line B-B of FIG. 5 illustrating a connection structure of a support arm and a crossbar according to an embodiment;

FIG. 7 is a partial schematic view of the structure of a cutting mechanism according to a second embodiment;

fig. 8 is an exploded view of the structure of the components of the cutting mechanism according to the second embodiment.

Reference numerals: 1. a frame; 2. a feeding roller; 3. a tension roller; 4. a cutting mechanism; 41. a cutter bar; 411. a graduated scale; 42. a tool holder; 421. perforating; 422. positioning the bolt; 423. mounting holes; 424. a chute; 4241. positioning holes; 43. mounting a column; 431. a limiting column; 432. a handle; 433. clamping the opening; 434. a hinge hole; 435. a guide groove; 44. a blade; 45. a threaded post; 451. a hinge joint; 5. a hold-down mechanism; 51. a cross bar; 52. a support arm; 521. a sleeve; 522. a strip-shaped hole; 53. a compression roller; 54. a sleeve; 55. a torsion spring; 56. fixing the rod; 57. a connecting rod; 58. briquetting; 59. a spring; 6. a winding mechanism; 61. a winding motor; 62. a wind-up roll; 7. a remainder collection mechanism; 71. a residual material motor; 72. a residue roller; 8. a roll of plastic film; 9. a support assembly; 91. a built-in rod; 92. a collar; 921. and (5) performing circular sewing.

Detailed Description

The first embodiment is as follows: a plastic film splitting machine with an edge cutting function comprises a rack 1, and a feeding roller 2, a tensioning roller 3, a cutting mechanism 4 and a winding mechanism 6 which are sequentially arranged on the rack 1, wherein the winding mechanism 6 comprises a winding roller 62 and a winding motor 61, one end of the winding roller 62 is rotatably supported on the rack 1, the winding motor 61 drives the winding roller 62 to rotate, and the winding motor 61 is fixed on the side wall of the rack 1; the winding roller 62 is connected with a pressing mechanism 5, and a residual material collecting mechanism 7 is arranged at the bottom of one end, close to the winding mechanism 6, of the rack 1. The plastic film roll 8 to be cut is arranged on the feeding roller 2, the end part of the plastic film is sequentially wound around the tensioning rollers 3 and then cut through the cutting mechanism 4, the cut plastic film is wound under the action of the winding roller 62, and the scraps on the two sides of the plastic film are collected by the excess material collecting mechanism 7. Because hold-down mechanism 5 compresses tightly the plastic film on wind-up roll 62 for the plastic film of wind-up roll 62 winding is closely knit, effectively reduces the diameter that finished product plastic film rolled up 8.

Referring to fig. 1 and 2, one end of the feeding roller 2 is rotatably supported on the frame 1, and the feeding roller 2 may be an inflatable shaft, so that after the plastic film roll 8 to be cut is sleeved on the inflatable shaft, the inflatable shaft can fix the plastic film roll 8 to prevent slipping.

The tensioning rollers 3 are arranged horizontally, and the plastic film is flattened and tensioned after passing through the tensioning rollers 3 so as to be cut by the cutting mechanism 4.

The excess material winding mechanism 7 comprises an excess material roller 72 and an excess material motor 71, one end of the excess material roller 72 is horizontally and rotatably supported on the rack 1, the excess material motor 71 drives the excess material roller 72 to rotate, and the excess material motor 71 and the rack 1 are fixed through bolts. The plastic film scraps cut by the cutting mechanism 4 are wound around the scrap roller 72. In order to facilitate the initial winding of the leftover materials, the leftover materials roller 72 is provided with a clamping seam, so that the end part of the leftover materials can penetrate through the clamping seam to be beneficial to the driving of the leftover materials roller 72 for winding.

Referring to fig. 2 and 3, the cutting mechanism 4 includes a knife bar 41 horizontally fixed on the frame 1, at least two knife rests 42 provided on the knife bar 41, a mounting post 43 mounted on each knife rest 42, and a blade 44 provided at a bottom end of the mounting post 43; the cross section of the cutter bar 41 can be rectangular, the outline of the cutter holder 42 is in a right trapezoid shape, one side of the cutter holder 42 close to the upper bottom is provided with a through hole 421 matched with the cutter bar 41, the cutter holder 42 is connected with a positioning bolt 422 in a threaded manner at the through hole 421, the cutter holder 42 can slide along the cutter bar 41 to adjust the position by loosening the positioning bolt 422, and then the cutter holder 42 is fixed by tightening the positioning bolt 422.

Referring to fig. 3 and 4, the tool holder 42 is provided with a cylindrical mounting hole 423 along the lower bottom edge of the trapezoid, a mounting post 43 penetrates through the mounting hole 423, a clamping opening 433 is formed at the bottom end of the mounting post 43, and the blade 44 is clamped and fixed in the clamping opening 433. The tool holder 42 is provided with a sliding groove 424 along a generating line direction of the mounting hole 423, the sliding groove 424 is located in the middle of the mounting hole 423, and positioning holes 4241 are formed in the upper end and the lower end of the sliding groove 424 along the circumferential direction of the mounting hole 423. A limiting column 431 is connected or inserted to one end of the mounting column 43 close to the clamping opening 433 in a threaded mode, the limiting column 431 penetrates through the positioning hole 4241, and the limiting column 431 can slide along the positioning hole 4241 and the sliding groove 424 relatively. One end of the mounting column 43 far away from the clamping opening 433 is fixed with a handle 432, the movable limiting column 431 drives the mounting column 43 to rotate, the limiting column 431 moves to the position of the sliding groove 424, and then the mounting column 43 can be pulled to move up and down by holding the handle 432 with hands, so that the blade 44 is accommodated in the mounting hole 423. So that the operating state of the cutting mechanism 4 can be selected as desired.

A graduated scale 411 is arranged on one side of the cutter bar 41 close to the winding roller 62 along the length direction so as to adjust the width between the blades 44 to meet the design requirement. The graduated scale 411 is recessed 2-3mm inside the tool bar 41 so as to prevent the scale marks on the graduated scale 411 from being worn by the tool holder 42 when moving, and keep the graduated scale 411 clear.

Referring to fig. 2 and 3, a support assembly 9 is horizontally arranged below the tool rest 42, the support assembly 9 comprises a plurality of built-in rods 91 horizontally fixed on the frame 1 and a plurality of circular collars 92 sleeved on the built-in rods 91, wherein the built-in rods 91 are arranged in a triangular shape, and the triangular shape is inscribed in the circumference where the collars 92 are arranged. The annular slots 921 are formed between two adjacent collars 92, the collars 92 can slide in the axial direction relative to the built-in rod 91, and the gap width of the annular slots 921 can be adjusted by moving the position of the collars 92. The plastic film is supported flush against the collar 92 and the blade 44 is inserted into the circumferential slit 921 so that the plastic film is cut by the blade 44 during the advancement.

Referring to fig. 1 and 5, the pressing mechanism 5 includes a cross bar 51 horizontally supported and fixed on the frame 1, at least two support arms 52 sleeved on the cross bar 51, and a pressing roller 53 with two ends rotatably supported on the support arms 52, the cross section of the cross bar 51 may be regular hexagon, a sleeve 521 is disposed at one end of the support arm 52 away from the pressing roller 53, a sleeve 54 is disposed between the sleeve 521 and the cross bar 51, and an inner hole of the sleeve 54 is matched with the cross bar 51 so that the sleeve 54 relatively slides along the length direction of the cross bar 51; the sleeve 521 is sleeved on the sleeve 54 and rotates relatively, a torsion spring 55 is arranged between the sleeve 521 and the sleeve 54, the torsion spring 55 is sleeved on the sleeve 54, one end of the torsion spring 55 is fixed with the sleeve 54, and the other end of the torsion spring 55 is fixed with the sleeve 521. The pressure roller 53 abuts on the wind-up roller 62.

Referring to fig. 5 and 6, in order to reduce the possibility that the support arm 52 slides axially relative to the cross bar 51, a positioning assembly is arranged between the support arm 52 and the cross bar 51, the positioning assembly comprises a fixed rod 56 which is perpendicular to the support arm 52 and is arranged horizontally, a connecting rod 57 is hinged to one end of the fixed rod 56, which is far away from the support arm 52, one end of the connecting rod 57, which is close to the cross bar 51, is connected with a pressing block 58, and a spring 59 is arranged between the other end of the connecting rod 57; a bar-shaped hole 522 is formed in the arm 52 along the length direction, and the end of the connecting rod 57 passes through the bar-shaped hole 522 and extends out for a certain distance. The pressing piece 58 may be a rubber piece having a certain elasticity. The spring 59 exerts a spring force on the connecting rod 57, and due to the lever action, the other end of the connecting rod 57 moves towards the crossbar 51, so that the rubber block presses against the crossbar 51, preventing the sleeve 54 from sliding axially with respect to the crossbar 51.

When the plastic film is wound by the winding roller 62, the plastic film is compressed by the pressing roller 53 under the action of gravity. Along with the thickness of the plastic film gradually increases, the plastic film jacks up the compression roller 53, the compression roller 53 drives the support arm 52 to rotate around the cross rod 51, the connecting rod 57 connected with the support arm 52 correspondingly rotates at the moment, and the pressing block 58 circumferentially rotates around the cross rod 51. Because the cross rod 51 is in a regular hexagon shape, the sleeve 54 cannot rotate, the support arm 52 drives the torsion spring 55 to deform to generate elastic force, the torsion spring 55 applies downward elastic force to the support arm 52, the pressure of the compression roller 53 on the plastic film is improved, and the plastic film wound by the winding roller 62 is more compact.

The working principle of the plastic film slitting machine with the edge cutting function is as follows:

the plastic film roll 8 to be cut is placed on the feeding roller 2, and the end part of the plastic film is fixed on the winding roller 62 after passing through the plurality of tensioning rollers 3. The positioning bolt 422 on the tool rest 42 is loosened, the position of the tool rest 42 is adjusted according to the movement of the graduated scale 411 so that the distance between the two blades 44 meets the requirement, and then the positioning bolt 422 is tightened. Simultaneously, the collar 92 is moved to align the circular slit 921 with the blade 44, the blade 44 is inserted into the circular slit 921 until the stopper post 431 is moved to the position of the positioning hole 4241 below by pressing down the mounting post 43 by the handle 432 to move relative to the blade holder 42 along the mounting hole 423, and then the wave stopper post 431 is snapped into the positioning hole 4241 to make the blade 44 parallel to the moving direction of the plastic film.

The pressing roller 53 is supported on the winding roller 62 in an abutting mode, the winding motor 61 works to drive the winding roller 62 to rotate, and the winding roller 62 winds the plastic film and pulls the plastic film to move. The blade 44 cuts the edge of the plastic film and the scrap is wound up by the scrap roll 72.

Example two: a plastic film splitting machine with an edge cutting function is different from the first embodiment in that an internal thread is arranged at the top end of a mounting hole 423, a threaded column 45 connected with the internal thread is hinged to the top of a mounting column 43, and a handle 432 is fixed to the top end of the threaded column 45, as shown in figures 7 and 8.

The end of the threaded column 45 away from the handle 432 is provided with a hinge head 451, the end of the mounting column 43 away from the clamping opening 433 is provided with a hinge hole 434, and the hinge head 451 penetrates into the hinge hole 434 and rotates relatively around the axis. A guide groove 435 is formed on the surface of the mounting post 43 in the bus direction, and a guide block (not shown) is formed at the lower portion of the inner wall of the mounting hole 423 to be fitted into the guide groove 435.

By rotating the handle 432, the handle 432 drives the threaded post 45 to rotate, and the threaded post 45 extends into or out of the mounting hole 423 due to the threaded connection between the threaded post 45 and the top of the mounting hole 423. The guide groove 435 on the mounting post 43 cooperates with the guide block to prevent the mounting post 43 from rotating, and the threaded post 45 drives the mounting post 43 to move up and down along the mounting hole 423, so that the blade 44 is received in the mounting hole 423 or extends out of the mounting hole 423.

Compared with the first embodiment, the advantages are that: the mounting post 43 moves in a fixed direction, and the cutting direction of the blade 44 fixed to the mounting post 43 is more easily controlled.

It is above only the utility model discloses a preferred embodiment, the utility model discloses a scope of protection does not only confine above-mentioned embodiment, the all belongs to the utility model discloses a technical scheme under the thinking all belongs to the utility model discloses a scope of protection. It should be noted that, for those skilled in the art, various modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.

Claims

1. The utility model provides a plastic film cutting machine with function of cutting edge, is including setting gradually material loading roller (2), cutting mechanism (4) and winding mechanism (6) on frame (1), winding mechanism (6) include wind-up roll (62) and drive wind-up roll (62) pivoted power component, its characterized in that: the cutting mechanism (4) comprises a cutter bar (41) arranged in parallel to the axis of the winding roller (62), at least two cutter holders (42) sleeved on the cutter bar (41) and a blade (44) detachably connected to the cutter holders (42), a mounting hole (423) is formed in each cutter holder (42), and the axis of each mounting hole (423) is perpendicular to the cutter bar (41); the mounting hole (423) is internally provided with a mounting column (43), the bottom end of the mounting column (43) is divided into two sections, and the blade (44) is clamped and fixed at the bottom end of the mounting column (43); the cutter rest (42) slides relatively on the cutter bar (41), and a positioning bolt (422) which is abutted against the cutter bar (41) to fix the position is connected to the cutter rest (42) in a threaded manner; one side of the cutter bar (41) facing the winding roller (62) is provided with a graduated scale (411) along the length direction.

2. The plastic film slitting machine with edge cutting function according to claim 1, characterized in that: one end, far away from the blade (44), of the mounting column (43) is rotatably connected with a threaded column (45), the threaded column (45) is in threaded connection with the mounting hole (423), and one end, far away from the mounting column (43), of the threaded column (45) is provided with a handle (432); the surface of the mounting column (43) is provided with a guide groove (435) along the bus direction, and the lower part of the mounting hole (423) is provided with a guide block matched with the guide groove (435).

3. The plastic film slitting machine with edge cutting function according to claim 1, characterized in that: the tool rest (42) is positioned on the side wall of the mounting hole (423) and is provided with a sliding groove (424) along the bus direction, and the upper end and the lower end of the sliding groove (424) are provided with positioning holes (4241) along the circumferential direction of the mounting hole (423); the outer wall of the mounting column (43) is fixedly provided with a limiting column (431) penetrating through the sliding groove (424).

4. The plastic film slitting machine with edge cutting function according to claim 3, characterized in that: the surface of the limiting column (431) is provided with anti-skid lines.

5. The plastic film slitting machine with edge cutting function according to claim 1, characterized in that: the graduated scale (411) is recessed towards the center of the cutter rod (41) by 2-3 mm.

6. The plastic film slitting machine with edge cutting function according to claim 1, characterized in that: a support assembly (9) is horizontally arranged below the tool rest (42), the support assembly (9) comprises a plurality of built-in rods (91) horizontally fixed on the rack (1) and lantern rings (92) sleeved on the built-in rods (91), the lantern rings (92) are circular, and the built-in rods (91) are internally connected with the lantern rings (92) and distributed; a circular seam (921) is formed between two adjacent lantern rings (92), and the end part of the blade (44) is inserted into the circular seam (921).

7. The plastic film slitting machine with edge cutting function according to claim 1, characterized in that: the rolling machine is characterized in that a pressing mechanism (5) is arranged on the rack (1), the pressing mechanism (5) comprises a cross rod (51) which is parallel to the axis of the winding roller (62) and fixedly arranged on the rack (1), and a pressing roller (53) which can abut against the winding roller (62) is connected to the cross rod (51) through a support arm (52); one end of the support arm (52) is sleeved on the cross rod (51) and rotates around the axis of the cross rod (51) relatively.

8. The plastic film slitting machine with edge cutting function according to claim 1, characterized in that: frame (1) is gone up and is close to wind-up roll (62) one side and installs clout collection mechanism (7), and clout collection mechanism (7) include clout roller (72) and drive clout roller (72) pivoted clout motor (71).

9. The plastic film slitting machine with edge cutting function according to claim 8, characterized in that: and a clamping seam is arranged on the excess material roller (72).

10. The plastic film slitting machine with edge cutting function according to claim 1, characterized in that: the feeding roller (2) is an air expansion shaft.