CN218857405U

CN218857405U - Cast film rim charge processor

Info

Publication number: CN218857405U
Application number: CN202320067752.4U
Authority: CN
Inventors: 徐凤春; 李金光
Original assignee: Guangdong Xinhuida Machinery Technology Group Co ltd
Current assignee: Guangdong Xinhuida Machinery Technology Group Co ltd
Priority date: 2023-01-10
Filing date: 2023-01-10
Publication date: 2023-04-14
Anticipated expiration: 2033-01-10

Abstract

The application relates to a curtain coating membrane rim charge processor includes: the material extruding mechanism comprises a box body, a pushing rod and a first driving assembly, wherein the box body is provided with a feeding hole, a material conveying channel and a discharging hole which are sequentially communicated, the material conveying channel comprises a straight pipe section, a conical pipe section and a circular pipe section which are sequentially communicated from the feeding hole to the discharging hole, the straight pipe section is cylindrical, the conical pipe section shrinks into a cone shape along with gradually approaching the discharging hole, the cross section of the circular pipe section is semicircular, and the discharging hole corresponds to the vertex of the semicircle; the pushing rod is accommodated in the straight pipe section and rotates relative to the box body under the driving of the first driving assembly so as to push the casting film rim charge entering from the feeding port to the discharging port along the material conveying channel; the material cutting mechanism and the material extruding mechanism are arranged at intervals and are used for cutting the material strips extruded from the discharge port to form granular materials. Through making the defeated material passageway have straight tube section, taper pipe section and the circular tube section that communicates in order, make the rim charge impel smoothly, warp, assemble and derive from the discharge gate under the effect of pushing ram, can not cause the discharge gate to block up.

Description

Cast film rim charge processor

Technical Field

The application relates to the technical field of cast film rim charge treatment, in particular to a cast film rim charge processor.

Background

Conventionally, a film-like casting film edge material is often crushed into a powder by a crusher and reused, however, the powder material is liable to cause clogging of a machine. In order to solve the problem of blockage of the appliance, the first improvement idea is to improve the structure of the appliance, and the second improvement idea is to treat the edge materials of the casting film into granules. For the second improvement idea, after entering a conventional granulator, the film-shaped casting film rim charge is easy to block a discharge port and cannot be smoothly processed into granules.

SUMMERY OF THE UTILITY MODEL

In view of this, there is a need for a casting film edge trim processor that can smoothly process the casting film edge trim into pellets without clogging problems.

A cast film scrap handler comprising:

the material extruding mechanism comprises a box body, a push rod and a first driving assembly, wherein the box body is provided with a feed inlet, a material conveying channel and a discharge outlet which are sequentially communicated, the material conveying channel comprises a straight pipe section, a conical pipe section and a circular pipe section which are sequentially communicated from the feed inlet to the discharge outlet, the straight pipe section is cylindrical, the conical pipe section shrinks into a cone shape along with gradually approaching the discharge outlet, the cross section of the circular pipe section is semicircular, and the discharge outlet corresponds to the vertex of the semicircle; the propulsion rod is accommodated in the straight pipe section and rotates relative to the box body under the driving of the first driving assembly so as to propel the casting film rim charge entering from the feeding port to the discharging port along the material conveying channel; and

the material cutting mechanism and the material extruding mechanism are arranged at intervals; and the material cutting mechanism is used for cutting the material strips extruded from the discharge port.

In the casting film rim charge processor, the thin film casting film rim charge can be formed into a material strip after being extruded by the extruding mechanism, and then granules are formed under the cutting of the cutting mechanism. In addition, for the material extruding mechanism, the material conveying channel is designed to be provided with a straight pipe section, a taper pipe section and a round pipe section which are communicated in sequence, so that the casting film rim charge entering from the feeding hole is smoothly pushed, deformed and converged under the action of the pushing rod, and finally is guided out from the discharging hole in a smooth manner in a material strip manner, and the problem of blockage of the discharging hole cannot occur.

In one embodiment, the number of the straight pipe sections is multiple, one ends of the straight pipe sections are communicated with each other at the feed opening, and the other ends of the straight pipe sections are communicated with each other at the taper pipe section; the number of the propelling rods is multiple, and the propelling rods correspond to the straight pipe sections one by one.

In one embodiment, a plurality of the straight pipe sections are linearly arranged along the horizontal direction; the discharge ports are multiple, and the arrangement directions of the discharge ports and the straight pipe sections are consistent; the circular pipe section extends along the arrangement direction of the discharge ports to communicate the discharge ports.

In one embodiment, the first driving assembly comprises a driving member, a plurality of driving rods and a plurality of gears, the driving rods and the propelling rods are connected in a one-to-one correspondence manner, the gears are fixedly arranged on the driving rods in a one-to-one correspondence manner, and the gears are meshed with each other; the driving member is connected with one of the transmission rods.

In one embodiment, the pushing rod comprises a rod body and pushing blades arranged on the outer peripheral surface of the rod body, and the pushing blades extend spirally from the feeding hole to the discharging hole.

In one embodiment, one end of the rod body close to the discharge hole is spherical and extends to the conical pipe section.

In one embodiment, the material cutting mechanism comprises a clamping assembly, a rotary cutter and a second driving assembly, the clamping assembly is used for clamping the material strips extruded from the discharge port and conveying the material strips to the rotary cutter, and the second driving assembly is connected with the rotary cutter so as to drive the rotary cutter to rotate to cut the material strips.

In one embodiment, the rotary cutter has a plurality of blades, and the plurality of blades are uniformly distributed along the circumference.

In one embodiment, the clamping assembly comprises a first pressing roller and a second pressing roller, and a central axis of the first pressing roller is parallel to a central axis of the second pressing roller; the peripheral surface of at least one of the first pressing roller and the second pressing roller is provided with sawteeth, and the first pressing roller and the second pressing roller are matched together to clamp the material strips.

In one embodiment, the material cutting mechanism comprises a guide roller for guiding the material strip to enter the clamping assembly, and the rotary cutter and the guide roller are respectively positioned on two sides of the clamping assembly.

Drawings

In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present application, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.

FIG. 1 is a schematic view of a cast film scrap handler according to an embodiment of the present application;

FIG. 2 is a cross-sectional view of an extruding mechanism in the cast film scrap handler shown in FIG. 1;

FIG. 3 is an enlarged view of the structure at A of the material extruding mechanism shown in FIG. 2;

FIG. 4 is an enlarged view of the structure at B in the material extruding mechanism shown in FIG. 2;

FIG. 5 is a schematic view of a blanking mechanism in the cast film scrap handler shown in FIG. 1; and

FIG. 6 is a cross-sectional view of the blanking mechanism shown in FIG. 5;

description of the reference numerals:

10. a cast film rim charge processor; 20. a material extruding mechanism; 21. a box body; 211. a feed inlet; 212. a discharge port; 213. a material conveying channel; 214. a straight pipe section; 215. a conical pipe section; 216. a circular pipe section; 22. a push rod; 221. a rod body; 222. propelling fan blades; 23. a first drive assembly; 231. a drive member; 232. a transmission rod; 233. a gear; 30. a material cutting mechanism; 31. a clamping assembly; 311. a first press roll; 312. a second press roll; 313. a power member; 32. rotating the cutter; 33. a second drive assembly; 34. a guide roller; 35. a bearing plate; 36. a material guide cylinder.

Detailed Description

In order to make the aforementioned objects, features and advantages of the present application more comprehensible, embodiments accompanying the present application are described in detail below with reference to the accompanying drawings. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present application. This application is capable of embodiment in many different forms than those described herein and those skilled in the art will be able to make similar modifications without departing from the spirit of the application and therefore the application is not limited to the specific embodiments disclosed below.

In the description of the present application, 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," "axial," "radial," "circumferential," and the like are used in the orientations and positional relationships indicated in the drawings for convenience in describing the present application and for simplicity in description, and are not intended to indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and are therefore not to be considered limiting of the present application.

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, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of the present application, "plurality" means at least two, e.g., two, three, etc., unless explicitly specified otherwise.

In this application, unless expressly stated or limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can include, for example, fixed connections, removable connections, or integral parts; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be interconnected within two elements or in a relationship where two elements interact with each other unless otherwise specifically limited. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art as the case may be.

In this application, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may be directly contacting the first and second features or indirectly contacting the first and second features through intervening media. Also, a first feature "on," "above," and "over" a second feature may be directly on or obliquely above the second feature, or simply mean that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature may be directly under or obliquely under the first feature, or may simply mean that the first feature is at a lesser elevation than the second feature.

It will be understood that when an element is referred to as being "secured to" or "disposed on" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "upper," "lower," "left," "right," and the like as used herein are for illustrative purposes only and do not denote a unique embodiment.

Referring to fig. 1 to 6, the present application protects a casting film edge treatment machine 10 for treating a casting film edge in a thin film form into pellets.

Referring to fig. 1 to 3, in particular, in the present application, the casting film rim charge processor 10 includes an extruding mechanism 20 and a blanking mechanism 30. The material extruding mechanism 20 includes a box 21, a pushing rod 22 and a first driving assembly 23, wherein the box 21 has a feeding port 211, a material conveying channel 213 and a discharging port 212 sequentially connected. The material conveying channel 213 comprises a straight pipe section 214, a conical pipe section 215 and a circular pipe section 216 which are sequentially communicated from the material inlet 211 to the material outlet 212, wherein the straight pipe section 214 is cylindrical, the conical pipe section 215 is tapered along with the gradual approach of the material outlet 212, the cross section of the circular pipe section 216 is semicircular, and the material outlet 212 corresponds to the vertex of the semicircle. The pushing rod 22 is accommodated in the straight tube section 214 and rotated relative to the casing 21 by the first driving assembly 23 to push the edge material of the casting film entering from the inlet 211 along the feeding passage 213 toward the outlet 212. The material cutting mechanism 30 and the material extruding mechanism 20 are arranged at intervals, and the material cutting mechanism 30 is used for cutting the material strips extruded from the material outlet 212.

It can be understood that the film-like casting film edge is fed from the feed port 211, the push rod 22 is rotated by the driving of the first driving unit 23 to push the casting film edge gradually toward the discharge port 212 along the feed path 213, the film-like casting film edge is deformed by the push rod 22 and is discharged from the discharge port 212 in the form of a strip, and then the strip is formed into pellets by the cutting action of the cutting mechanism 30.

It can be understood that after the film-like casting film rim charge enters the feed passage 213 from the feed port 211, it is pushed by the push rod 22 along the straight tube section 214 toward the discharge port 212 and reaches the tapered tube section 215, and then the casting film rim charge is deformed by the co-extrusion of the push rod 22, the continuously pushed casting film rim charge and the inner wall surface of the tapered tube section 215, the extruded and deformed casting film rim charge converges toward the circular tube section 216 and fills the circular tube section 216, and the casting film rim charge in the circular tube section 216 smoothly converges toward the vertex position of the circular tube section 216 by the extrusion force and finally is led out from the discharge port 212 at the vertex position.

In the casting film edge processing machine 10, the thin-film-shaped casting film edge is extruded by the extruding mechanism 20 to form a strip, and then the strip is cut by the cutting mechanism 30 to form particles. In addition, for the material extruding mechanism 20, the material conveying channel 213 is designed to have a straight pipe section 214, a taper pipe section 215 and a circular pipe section 216 which are sequentially communicated, so that the casting film rim charge entering from the material inlet 211 is smoothly pushed, deformed and converged under the action of the pushing rod 22, and finally is smoothly led out from the material outlet 212 in a material strip mode, and the problem of blockage of the material outlet 212 cannot occur.

Specifically, in the present application, there are a plurality of straight tube sections 214, one ends of the straight tube sections 214 are communicated with each other at the feed opening 211, and the other ends of the straight tube sections 214 are communicated with each other at the tapered tube section 215. The plurality of push rods 22 are in one-to-one correspondence with the plurality of straight tube sections 214.

It can be understood that by providing a plurality of straight tube sections 214, a plurality of propulsion paths can be provided for the casting film rim charge entering from the feed port 211, and at the same time, a plurality of propulsion rods 22 located in the plurality of straight tube sections 214 can act simultaneously to propel more casting film rim charges, thereby improving the material handling efficiency.

Specifically, in the embodiment of the present application, there are two straight pipe sections 214 and two pushing rods 22, the two straight pipe sections 214 extend in parallel, and the two pushing rods 22 are accommodated in the two straight pipe sections 214 in a one-to-one correspondence manner. In other embodiments, the number of straight tube sections 214 and push rods 22 can be three, four, etc.

Further, the plurality of straight tube sections 214 are linearly arranged in the horizontal direction. The discharge ports 212 are multiple, and the arrangement directions of the discharge ports 212 and the straight pipe sections 214 are consistent. The circular pipe section 216 extends along the arrangement direction of the plurality of discharge ports 212 to communicate with the plurality of discharge ports 212.

It can be understood that the arrangement of the plurality of discharge ports 212 is the same as the arrangement of the plurality of straight pipe sections 214, which can help the materials led out from the plurality of straight pipe sections 214 to smoothly enter the discharge ports 212. The plurality of straight pipe sections 214 and the plurality of discharge ports 212 are linearly arranged along the horizontal direction, so that strips led out from the discharge ports 212 are not easy to interfere with each other and are wound together, and the subsequent cutting operation of the strips is facilitated. In other embodiments, the plurality of straight tube sections 214 may be arranged in other patterns, such as a circular pattern or a triangular pattern.

It can be understood that, in the present application, the material gathered by squeezing from the conical pipe section 215 will fill the whole circular pipe section 216, and by extending the circular pipe section 216 along the arrangement direction of the plurality of discharge ports 212 to communicate with the plurality of discharge ports 212, the whole circular pipe section 216 can supply the material to each discharge port 212 in time to form a material strip, thereby helping to maintain the continuity of the material strip guided by the discharge ports 212, and avoiding the situation that the material strip is broken due to the shortage of the material at part of the discharge ports 212. In the present application, the discharge port 212 extends from the vertex of the circular tube section 216 along the radius direction of the circular tube section 216 to form a column shape, so as to facilitate the forming of the bar material.

Referring to fig. 1 to 4, in the present application, the first driving assembly 23 includes a driving member 231, a plurality of transmission rods 232, and a plurality of gears 233, the plurality of transmission rods 232 are connected to the plurality of propelling rods 22 in a one-to-one correspondence, the plurality of gears 233 are fixedly disposed on the plurality of transmission rods 232 in a one-to-one correspondence, the plurality of gears 233 are engaged with each other, and the driving member 231 is connected to one of the plurality of transmission rods 232.

It will be appreciated that the driving member 231 is connected to one of the plurality of transmission rods 232, such that the driving member 231 rotates by driving the transmission rod 232 connected thereto, and drives the other transmission rods 232 to rotate via the mutual engagement of the plurality of gears 233, thereby achieving the synchronous driving of the plurality of propulsion rods 22. In this application, the driving member 231 is a motor, and the driving member 231 can be indirectly connected to the transmission rod 232 via a transmission wheel, a transmission belt, or other structural members, so as to drive the transmission rod 232 to rotate.

Specifically, in the present application, the pushing rod 22 includes a rod 221 and pushing blades 222 disposed on an outer peripheral surface of the rod 221, and the pushing blades 222 extend spirally from the feeding hole 211 to the discharging hole 212. It will be appreciated that the propeller blades 222 are thin plates extending continuously and spirally along the outer circumference of the shaft 221, and the edges of the propeller blades 222 away from the shaft 221 abut against the inner wall surface of the straight tube section 214. After the casting film rim charge enters from the feed opening 211, the propelling fan 222 can effectively force the casting film rim charge to propel along the straight pipe section 214 toward the conical pipe section 215.

Specifically, the end of rod 221 near discharge port 212 is spherical and extends to conical section 215. Through setting up the one end that is close to discharge gate 212 with the body of rod 221 and being globular, can make the casting film rim charge that is located cone section 215 not follow the rotation of the body of rod 221 and follow the circumferential motion of the body of rod 221, avoid the end of the body of rod 221 to stir the casting film rim charge that is located cone section 215 promptly to help the gathering of casting film rim charge to pipe section 216.

Specifically, in the embodiment of the present application, the cast film edge material processor 10 includes a cooling tank (not shown) located between the extruding mechanism 20 and the material cutting mechanism 30, and the material strip led out from the material outlet 212 enters the material cutting mechanism 30 to be cut after being cooled and shaped by the cooling liquid in the cooling tank.

Referring to fig. 1, 5 and 6, in the embodiment of the present application, the material cutting mechanism 30 includes a clamping assembly 31, a rotary cutter 32 and a second driving assembly 33, the clamping assembly 31 is used for clamping the material strip extruded from the discharge port 212 and conveying the material strip to the rotary cutter 32, and the second driving assembly 33 is connected to the rotary cutter 32 to drive the rotary cutter 32 to rotate so as to cut the material strip.

Through setting up clamping component 31, can press from both sides tightly the material strip to along with the material strip from deriving gradually of discharge gate 212 and carry the material strip to rotary cutter 32 department gradually, so that rotary cutter 32 cuts the material strip.

Specifically, the clamping assembly 31 includes a first pressing roller 311 and a second pressing roller 312, and a central axis of the first pressing roller 311 is parallel to a central axis of the second pressing roller 312. The outer peripheral surface of at least one of the first pressing roller 311 and the second pressing roller 312 is provided with saw teeth (not shown), and the first pressing roller 311 and the second pressing roller 312 cooperate together to clamp the material strips. In the present application, the outer circumferential surface of the first pressing roller 311 is provided with saw teeth, so as to increase the friction coefficient of the outer circumferential surface of the first pressing roller 311, thereby facilitating the first pressing roller 311 and the second pressing roller 312 to cooperate to clamp and convey the material strip. In other embodiments, the serrations may be provided on the outer circumferential surface of the second pressing roller 312, or the serrations may be provided on both the outer circumferential surfaces of the first pressing roller 311 and the second pressing roller 312.

It should be noted that, in the present application, the clamping assembly 31 includes a power member 313, and the power member 313 is connected to the first pressing roller 311 provided with the saw teeth to drive the first pressing roller 311 to rotate, so that the first pressing roller 311 serves as a driving rotating structure to convey the material strips. Further, the power element 313 is specifically a motor, and the power element 313 may be indirectly connected to the first pressing roller 311 through a transmission wheel, a transmission belt, and other structural members to drive the first pressing roller 311 to rotate.

In the present application, the material cutting mechanism 30 includes a guide roller 34 for guiding the material strip into the clamping assembly 31, and the rotary cutter 32 and the guide roller 34 are respectively located at two sides of the clamping assembly 31. It will be appreciated that the guide roller 34 is located on the side of the clamping assembly 31 adjacent to the discharge opening 212, so that the strip guided out of the discharge opening 212 can enter between the first pressing roller 311 and the second pressing roller 312 under the guidance of the guide roller 34. It can be understood that, in the case that there are a plurality of discharge ports 212, the guide roller 34 guides the plurality of strips, so that the plurality of strips can be prevented from interfering with each other and being wound together, and thus being unable to be smoothly conveyed by the first pressing roller 311 and the second pressing roller 312.

In particular, in the present application, the rotary cutter 32 has a plurality of blades (not shown) which are uniformly distributed along the circumference. It can be understood that the rotary cutter 32 is driven by the second driving component 33 to rotate, so that the plurality of blades can cut the material strips in sequence, any one blade can perform cutting operation intermittently and has cooling time, and therefore the blades can be fully protected, and meanwhile continuous cutting of the material strips can be achieved to ensure cutting efficiency.

In the present application, the second driving assembly 33 is a driving structure formed by a motor, a transmission wheel, a conveyor belt, and the like, and is capable of driving the rotary cutter 32 to rotate.

It is understood that the cutting mechanism 30 includes a receiving plate 35, the receiving plate 35 corresponds to the space between the first pressing roller 311 and the second pressing roller 312 to receive the material strips conveyed by the first pressing roller 311 and the second pressing roller 312, and the blade corresponds to the edge position of the receiving plate 35 to cut the material strips on the receiving plate 35.

In this application, the material cutting mechanism 30 includes a material guiding cylinder 36, the material guiding cylinder 36 is located below the rotary cutter 32 and the receiving plate 35 along the vertical direction, one end of the material guiding cylinder 36 corresponds to the rotary cutter 32 and the receiving plate 35, and the particles obtained by cutting the material strips with the blade are guided out by the material guiding cylinder 36.

All possible combinations of the technical features of the above embodiments may not be described for the sake of brevity, but should be considered as within the scope of the present disclosure as long as there is no contradiction between the combinations of the technical features.

The above-mentioned embodiments only express several embodiments of the present application, and the description thereof is more specific and detailed, but not construed as limiting the claims. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the concept of the present application, which falls within the scope of protection of the present application. Therefore, the protection scope of the present patent application shall be subject to the appended claims.

Claims

1. A cast film scrap handler, comprising:

the material extruding mechanism comprises a box body, a push rod and a first driving assembly, wherein the box body is provided with a feed inlet, a material conveying channel and a discharge outlet which are sequentially communicated, the material conveying channel comprises a straight pipe section, a conical pipe section and a circular pipe section which are sequentially communicated from the feed inlet to the discharge outlet, the straight pipe section is cylindrical, the conical pipe section shrinks into a cone shape along with gradually approaching the discharge outlet, the cross section of the circular pipe section is semicircular, and the discharge outlet corresponds to the vertex of the semicircle; the propulsion rod is accommodated in the straight pipe section and rotates relative to the box body under the driving of the first driving assembly so as to propel the casting film rim charge entering from the feed inlet to the discharge outlet along the feed delivery channel; and

2. The cast film scrap handler according to claim 1, wherein the number of straight tube sections is plural, one ends of the plural straight tube sections are communicated with each other at the feed port, and the other ends of the plural straight tube sections are communicated with each other at the tapered tube section; the number of the propelling rods is multiple, and the plurality of the propelling rods correspond to the plurality of the straight pipe sections one by one.

3. The cast film scrap handler of claim 2, wherein a plurality of said straight tube sections are linearly arranged in a horizontal direction; the discharge ports are multiple, and the arrangement directions of the discharge ports and the straight pipe sections are consistent; the circular pipe section extends along the arrangement direction of the discharge ports to be communicated with the discharge ports.

4. The cast film scrap handling machine according to claim 2, wherein the first drive assembly comprises a drive member, a plurality of drive rods and a plurality of gears, wherein the plurality of drive rods are connected with the plurality of push rods in a one-to-one correspondence, the plurality of gears are fixedly arranged on the plurality of drive rods in a one-to-one correspondence, and the plurality of gears are engaged with each other; the driving member is connected with one of the transmission rods.

5. The cast film scrap processor of claim 1, wherein the push rod comprises a rod body and push blades disposed on the outer peripheral surface of the rod body, and the push blades extend spirally from the feed port to the discharge port.

6. The cast film scrap handler of claim 5, wherein the end of the rod body near the discharge port is spherical and extends to the conical section.

7. The cast film scrap handler of claim 1, wherein the cutting mechanism comprises a clamping assembly, a rotary cutter and a second driving assembly, the clamping assembly is configured to clamp the strip extruded from the discharge port and convey the strip to the rotary cutter, and the second driving assembly is connected to the rotary cutter to drive the rotary cutter to rotate to cut the strip.

8. The cast film scrap handler of claim 7 wherein the rotary cutter has a plurality of blades, the plurality of blades being circumferentially evenly distributed.

9. The cast film scrap edge processor of claim 7, wherein the clamping assembly comprises a first press roller and a second press roller, and a central axis of the first press roller is parallel to a central axis of the second press roller; the peripheral surface of at least one of the first pressing roller and the second pressing roller is provided with sawteeth, and the first pressing roller and the second pressing roller are matched together to clamp the material strips.

10. The cast film scrap handler of claim 7, wherein the blanking mechanism includes a guide roller for guiding the strip into the clamping assembly, the rotary cutter and the guide roller being located on opposite sides of the clamping assembly.