CN218859980U - Film cutting machine - Google Patents

Abstract

The present disclosure provides a film cutting machine, comprising: the discharging mechanism is used for placing the film; the material conveying mechanism is used for conveying the thin film discharged from the discharging mechanism; the conveying platform is used for supporting the material discharged by the material conveying mechanism; a cutting mechanism for cutting the film; the size adjusting mechanism is used for adjusting the cutting size of the film; the cutting mechanism and the size adjusting mechanism are arranged on the conveying platform. The utility model discloses realize the material loading of film, pass the material and the automation and the intellectuality of tailorring, the productivity is high, and efficient and need not the manual work and tailor, reduces the human operation, and the protection staff avoids its incised wound, and the safety coefficient is high and practice thrift the cost of labor.

Description

Film cutting machine

Technical Field

The utility model relates to a film equipment technical field of tailorring especially relates to a film cutter.

Background

In actual production process, in order to avoid fragile article to appear damaging in production, transportation and handling, generally need pack the finished product through the film and then place in the packing carton, protect the finished product and avoid causing the defective products, the enterprise need pack a large amount of not unidimensional finished products usually, consequently needs not unidimensional film. For example, in a glass production enterprise, in terms of producing vehicle-mounted glass, each process of the vehicle-mounted glass transfers the process and the tail end package, a large number of finished products with different sizes are required to be placed in a packaging box, in the conveying process of the vehicle-mounted glass, in order to prevent the finished products from colliding with each other or causing bad products due to other reasons, a large number of films with different sizes are required to be packaged and filled, if the enterprise uses manpower to manually cut, the efficiency is low, the cost is high, and the manual cutting process is unsafe and can easily cut staff.

SUMMERY OF THE UTILITY MODEL

One technical problem to be solved by the present disclosure is: how to improve film cutting efficiency and factor of safety, reduce the cost of labor.

In order to solve the above technical problem, an embodiment of the present disclosure provides a film cutting machine, including: the discharging mechanism is used for placing the film; the material conveying mechanism is used for conveying the thin film discharged from the discharging mechanism; the conveying platform is used for supporting the material discharged by the material conveying mechanism; a cutting mechanism for cutting the film; the size adjusting mechanism is used for adjusting the cutting size of the film; wherein, cutting mechanism and size adjustment mechanism install in conveying platform.

In some embodiments, the drop off mechanism comprises: a discharge frame for supporting the film; a spool for mating with a core roll of film; and, a safety chuck for mounting the reel; the safety chuck is relatively rotatably arranged on the material placing frame; the reel is detachably mounted on the safety chuck.

In some embodiments, the emptying mechanism further comprises an edge aligning machine for correcting deviation.

In some embodiments, the spool is a keyed air shaft that matches core rolls of different inside diameter sizes.

In some embodiments, the material conveying mechanism comprises a driving motor, a fixed seat, a pressing wheel and a driving wheel; the fixed seat is relatively arranged on the conveying platform; the driving wheel and the pinch roller are rotatably arranged on the fixed seat in parallel, and a film conveying position is formed between the driving wheel and the pinch roller; the driving motor is connected with the driving wheel and used for driving the driving wheel to rotate so as to enable the film of the discharging mechanism to be conveyed to be positioned on the conveying platform for spreading through the film.

In some embodiments, the material conveying mechanism further comprises an adjusting mechanism for adjusting the pressing wheel and the driving wheel to approach or separate.

In some embodiments, the adjustment mechanism comprises a slider-type bearing housing and a first linear drive mechanism; the sliding block type bearing block is arranged on the fixed seat in a sliding manner; the first linear driving mechanism is connected with the sliding block type bearing seat so as to be close to or far away from the driving wheel, and the pressing wheel is connected with the sliding block type bearing seat.

In some embodiments, the transfer platform includes a support frame and a plate mounted to the support frame.

In some embodiments, the cutting mechanism comprises a fixed vertical frame, a second linear driving mechanism and a cutter group frame; the fixed vertical frames are oppositely arranged on the conveying platform and are arranged beside the two sides of the film; the second linear driving mechanism is connected with the cutter group frame and used for driving the cutter group frame to be close to or far away from the film.

In some embodiments, the cutting mechanism further comprises a third linear driving mechanism and a film pressing structure; the third linear driving mechanism is connected with the film pressing structure and used for driving the film pressing structure to be close to or far away from the film.

In some embodiments, the size adjustment mechanism includes a fourth linear drive mechanism, a baffle, a size plate; the size plate is arranged in parallel with the conveying direction of the film; the baffle is perpendicular to the size plate; the fourth linear driving mechanism is connected with the baffle and used for driving the baffle to be close to or far away from the cutting mechanism along the conveying direction of the film so as to adjust the area of the area formed by the cutting mechanism, the size plate and the baffle in an enclosing mode.

In some embodiments, at least one of the emptying mechanism, the material conveying mechanism and the size adjusting mechanism is provided with a sensing mechanism.

Through above-mentioned technical scheme, this film cutter that openly provides can bring following at least one beneficial effect:

1. the size of the cut film is adjusted through the size adjusting mechanism, so that the cut size is ensured to be the required size of the film, and the product packaging requirement is met; through drop feed mechanism, pass the cooperation of material mechanism and tailorring mechanism, realize the material loading of film, pass the automation and the intellectuality of material and tailor, the productivity is high, and efficient and need not the manual work and tailor, reduces dependent manual operation, and the protection staff avoids its incised wound, and the safety coefficient is high and practices thrift the cost of labor.

2. The film is conveyed by the cooperation of the driving wheel and the pressing wheel and is flatly laid on the conveying platform, so that the cutting mechanism can conveniently cut the film, and the cutting precision requirement is ensured; more excellent, still can adjust the clearance between pinch roller and the action wheel through adjusting the structure, guarantee the smoothness nature and the straightness nature of film conveying, more excellent, still can adjust the power between the two according to the thin thickness degree of film to be applicable to different thin thickness degrees and transmission pressure, avoid the film to skid and can't convey.

3. The cutting mechanism not only can realize tailorring of film, and is more excellent, still compresses tightly the film through press mold mechanism, ensures that film cutting in-process film can not take place displacement or influence such as off normal and tailor the phenomenon of quality, thereby ensures the utility model discloses tailor smoothly, and tailor the film of getting off of high quality.

Drawings

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

FIG. 1 is a schematic structural diagram of the present film cutting machine as disclosed in an embodiment of the present disclosure;

FIG. 2 is a schematic front view of the structure of FIG. 1;

FIG. 3 is a schematic left side view of the structure of FIG. 1;

FIG. 4 is a schematic top view of the structure of FIG. 1;

fig. 5 is a schematic structural view of an embodiment of the material conveying mechanism of the present invention;

FIG. 6 is a schematic structural diagram of an embodiment of a cutting mechanism of the present invention;

fig. 7 is a schematic structural diagram of an embodiment of the size adjustment mechanism of the present invention.

Description of reference numerals:

1. a discharging mechanism; 11. a material placing frame; 12. a reel; 13. a safety chuck; 2. a material conveying mechanism; 21. a drive motor; 22. a fixed seat; 23. a pinch roller; 24. a driving wheel; 25. a slider type bearing seat; 26. a fixed bearing seat; 27. a first linear drive mechanism; 3. a transfer platform; 31. a support frame; 32. a flat plate; 4. a cutting mechanism; 41. fixing the vertical frame; 42. a second linear drive mechanism; 43. a tool set frame; 44. a third linear drive mechanism; 45. a film pressing structure; 46. an auxiliary control box; 47. a mounting frame; 5. a size adjustment mechanism; 51. a fourth linear drive mechanism; 511. a motor; 512. a slider; 513. a guide rail; 514. a screw rod; 515. a bearing seat; 52. a baffle plate; 53. a size plate; 6. a control cabinet; 7. a film; 8. and a sensing mechanism.

Detailed Description

Embodiments of the present disclosure are described in further detail below with reference to the drawings and examples. The following detailed description of the embodiments and the accompanying drawings are included to illustrate the principles of the disclosure, but are not intended to limit the scope of the disclosure, which may be embodied in many different forms and not limited to the specific embodiments disclosed herein, but include all technical solutions falling within the scope of the claims.

These embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the disclosure to those skilled in the art. It should be noted that: the relative arrangement of parts and steps, the composition of materials, numerical expressions and numerical values set forth in these embodiments are to be construed as merely illustrative, and not as limitative, unless specifically stated otherwise.

It is noted that in the description of the present disclosure, unless otherwise indicated, "a plurality" means greater than or equal to two; the terms "upper," "lower," "left," "right," "inner," "outer," and the like, indicate an orientation or positional relationship merely to facilitate the description of the disclosure and to simplify the description, and do not indicate or imply that the referenced devices or elements must be in a particular orientation, constructed and operated in a particular orientation, and therefore should not be construed as limiting the disclosure. When the absolute position of the object being described changes, the relative positional relationship may also change accordingly.

Moreover, the use of "first," "second," and similar words throughout this disclosure is not intended to imply any order, quantity, or importance, but rather merely to distinguish one element from another. "vertical" is not strictly vertical, but is within the tolerance of the error. "parallel" is not strictly parallel but within the tolerance of the error. The word "comprising" or "comprises", and the like, means that the element preceding the word covers the element listed after the word, and does not exclude the possibility that other elements are also covered.

It should also be noted that, in the description of the present disclosure, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; may be directly connected or indirectly connected through an intermediate. The specific meaning of the above terms in the present disclosure can be understood as appropriate to one of ordinary skill in the art. When a particular device is described as being between a first device and a second device, intervening devices may or may not be present between the particular device and the first device or the second device.

All terms used in the present disclosure have the same meaning as understood by one of ordinary skill in the art to which the present disclosure belongs, unless otherwise specifically defined. It will be further understood that terms, such as those defined in commonly used dictionaries, should be interpreted as having a meaning that is consistent with their meaning in the context of the relevant art and will not be interpreted in an idealized or overly formal sense unless expressly so defined herein.

Techniques, methods, and apparatus known to one of ordinary skill in the relevant art may not be discussed in detail, but are intended to be part of the specification where appropriate.

In one embodiment of the present invention, as shown in fig. 1-7, a film cutting machine includes: the discharging mechanism 1 is used for placing the film 7; the material conveying mechanism 2 is used for conveying the film 7 discharged from the discharging mechanism 1; the conveying platform 3 is used for supporting the material from the material conveying mechanism 2; a cutting mechanism 4 for cutting the film 7; and a size adjusting mechanism 5 for adjusting the cutting size of the film 7; the cutting mechanism 4 and the size adjusting mechanism 5 are mounted on the conveying platform 3.

In practical application, the discharging mechanism 1, the material conveying mechanism 2, the cutting mechanism 4 and the size adjusting mechanism 5 are sequentially arranged along the film 7 in a conveying manner. In some embodiments, as shown in fig. 1-4, the discharging mechanism 1 is independently arranged, and the material conveying mechanism 2, the cutting mechanism 4 and the size adjusting mechanism 5 are reasonably arranged on the conveying platform 3 at intervals from left to right in sequence. Of course, in another embodiment of the present invention, the discharging mechanism 1 may also be arranged on the conveying platform 3. In order to save space, the discharging mechanism 1 is placed below the material conveying mechanism 2 so as to save installation space.

In some embodiments, the drop off mechanism 1 comprises: a stocker 11 for supporting the film 7; a reel 12 for matching with the core roll of film 7; and, a safety chuck 13 for mounting the reel 12; the safety chuck 13 is relatively rotatably arranged on the material placing frame 11; the reel 12 is detachably mounted to the safety chuck 13. It is worth to be noted that the film 7 is coupled with the discharging mechanism 1 through a reel 12 to a safety chuck 13; the reel 12 can be detachably connected with the safety chuck 13 by the shaft connection of the safety chuck 13 and the material placing frame 11, but the reel 12 is fixedly connected with the safety chuck 13 when being installed on the safety chuck 13.

In some embodiments, the emptying mechanism 1 further comprises an edge aligning machine for correcting deviation.

In some embodiments, spool 12 is a keyed air shaft that matches core rolls of different inside diameter sizes.

In practical application, when the film 7 needs to be replaced or cut and the used material is finished, the reel 12 penetrates through the core roll of the film 7, then the film 7 provided with the reel 12 is mounted to the safety chuck 13 and locked, and the material is manually fed to the material conveying mechanism 2. In practice, the spool 12 may be a clearance fit or a close fit with the core roll. When the reel 12 is in clearance fit with the core roll, the core roll rotates along with the transfer material during the transfer process. When the reel 12 is matched with the core roll, the reel 12 rotates along with the material transfer in the material transfer process, and then the core roll is driven to rotate together. When the scroll 12 is a convex key type air expansion shaft capable of realizing core rolls with different inner diameter sizes, the film 7 is placed to a designated position, the convex key type air expansion shaft penetrates through the core roll, then manual inflation is performed, the air expansion shaft is inflated, expanded, fixed and then installed on the safety chuck 13 for fixing.

In some embodiments, the material placing frame 11 includes a bottom plate and support frames disposed at two ends of the bottom plate, the support frames are preferably movable support frames capable of moving in an up-down direction, and a space formed by the bottom plate and the support frames is formed to form a mounting space for the hydraulic cylinder of the edge aligning machine in addition to a position occupied by the film 7.

In some embodiments, the discharging mechanism 1 is provided with a sensing mechanism 8, and when the sensing mechanism senses that the thin film 7 is short of material or axially deviates, a corresponding alarm is triggered. In some embodiments, the sensing mechanism 8 is a light sensing mechanism, such as an infrared sensing edge-facing mechanism, a photoelectric sensing mechanism, or the like. In some embodiments, the edge aligning machine is an automatic edge aligning machine, and edge aligning adjustment is automatically started when the film 7 is deviated, until the film 7 is restored to the original parameter setting.

In some embodiments, the material conveying mechanism 2 includes a driving motor 21, a fixed seat 22, a pressing wheel 23 and a driving wheel 24; the fixed seat 22 is oppositely arranged on the conveying platform 3; the driving wheel 24 and the pressing wheel 23 are rotatably arranged on the fixed seat 22 in parallel, and a film conveying position is formed between the driving wheel 24 and the pressing wheel 23; the driving motor 21 is connected with the driving wheel 24 and is used for driving the driving wheel 24 to rotate so as to realize that the film 7 of the discharging mechanism 1 is conveyed to be positioned on the conveying platform 3 for spreading through the film.

In some embodiments, the material transfer mechanism 2 further comprises an adjusting mechanism for adjusting the approach or the distance between the pressing wheel 23 and the driving wheel 24.

In some embodiments, the adjustment mechanism comprises a slider-type bearing housing 25 and a first linear drive mechanism 27; the sliding block type bearing seat 25 is arranged on the fixed seat 22 in a sliding way; the first linear drive mechanism 27 is coupled to the slider bearing housing 25 so as to be close to or away from the drive pulley 24, and the pinch roller 23 is journaled to the slider bearing housing 25.

In practical applications, the driving motor 21 is preferably a servo motor, and the first linear driving mechanism 27 is a cylinder. The drive pulley 24 is mounted to the fixed base 22 by a fixed bearing mount 26. The sliding block type bearing seat 25 is slidably mounted on the fixed seat 22, and the pressing wheel 23 is close to or far away from the driving wheel 24 along the linear direction due to the concave-convex fit between the sliding block type bearing seat 25 and the fixed seat 22. In some embodiments, as shown in fig. 5, the pinch roller 23 and the driving roller 24 are disposed opposite to each other in the up-down direction, the extending direction of the pinch roller is the front-back direction, two ends of the pinch roller 23 are connected to one first linear driving mechanism 27, and the two first linear driving mechanisms 27 are driven synchronously. The length of the pinch roller 23 and the drive roller 24 is greater than the width of the film 7. The pinch roller 23 preferably comprises a rubber sleeve and a shaft core, the rubber sleeve is arranged on the outer side of the shaft core, and the rubber sleeve can be sleeved on the outer side of the shaft core and can also be sprayed on the shaft core. The driving wheel 24 is a smooth shaft and is driven by a motor reducer. The pinch roller 23 is pressed between the pinch roller 23 and the capstan 24 by the first linear drive 27, so that the film 7 is spread toward the transfer table 3 during rotation of the capstan 24.

In some embodiments, the transfer platform 3 comprises a support frame 31 and a plate 32, the plate 32 being mounted to the support frame 31. In some embodiments, the support frame 31 comprises horizontal and vertical beams that form a support plane by being connected side-to-side, top-to-bottom, and front-to-back, and the flat plate 32 is mounted on the support plane to form a film 7 laying plane. In practical applications, the flat plate 32 may be an acrylic plate, a stainless steel plate or a wood plate.

In some embodiments, the cutting mechanism 4 comprises a fixed vertical frame 41, a second linear drive mechanism 42 and a cutter group frame 43; the fixed vertical frame 41 is oppositely arranged on the conveying platform 3 and is arranged beside the two sides of the thin film 7; a second linear drive mechanism 42 is connected to the blade stack 43 for driving the blade stack 43 towards and away from the film 7. In some embodiments, the tool assembly frame 43 includes a tool post, a cutting blade mounted to the tool post, and the tool post coupled to the second linear drive mechanism 42. The distance between the two oppositely arranged fixed uprights 41 in the front-rear direction is greater than the width of the film 7. In some embodiments, the second linear driving mechanism 42 drives the tool holder to reciprocate back and forth, and the second linear driving mechanism 42 is preferably a magnetic couple type rodless cylinder. In some embodiments, the flat plate 32 is provided with an avoiding position corresponding to the cutting knife, the avoiding position may be formed by slotting the flat plate 32 or by splicing two flat plates 32 oppositely arranged in the left-right direction of the conveying platform 3, and the avoiding position is formed by a gap between the two flat plates 32.

In some embodiments, cutting mechanism 4 further comprises a third linear drive mechanism 44 and a lamination mechanism 45; the third linear driving mechanism 44 is connected to the lamination mechanism 45 for driving the lamination mechanism 45 to move closer to or away from the film 7. In some embodiments, the cutting mechanism 4 further includes a mounting frame 47 and a sub-control box 46, the mounting frame 47 is respectively disposed at the front and the rear sides of the conveying platform 3, the sub-control box 46 is mounted on the mounting frame 47, and the sub-control box 46 is respectively connected to the second linear driving mechanism 42 and the third linear driving mechanism 44. The third linear driving mechanism 44 is mounted on the mounting frame 47, the third linear driving mechanism 44 is preferably a guide rod cylinder, and when the third linear driving mechanism 44 is a normal cylinder, a push rod thereof is preferably in concave-convex fit with the mounting frame 47 to ensure the linear motion of the lamination structure 45. In some embodiments, the film pressing structure 45 includes pressing rods (plates) respectively disposed at two sides of the cutting knife in the left-right direction and a connecting plate for connecting two ends of the two pressing rods (plates), wherein one of the connecting plates is connected to the third linear driving mechanism 44 to enable the pressing rods (plates) to approach the film 7 in the up-down direction to press the film 7, so as to facilitate the cutting knife cutting the film 7; when the cutting knife finishes cutting, the film pressing structure 45 is far away from the film pressing under the action of the third linear driving mechanism 44. Because the film 7 is tailor to the sword of tailorring along the fore-and-aft direction, the blade holder is located to preferred one side to the sword of tailorring, and its knife tip of tailorring sword sets up in advance, and the sword tail of tailorring sets up towards the back, when the sword of tailorring moves from the past backward, then can realize tailorring of film 7, and the slope setting of the sword of tailorring like this places and more does benefit to going on smoothly of tailorring. Of course, in another embodiment of the present invention, when the cutting knife cuts the film 7 from the back to the front, the knife point is set to the back, and the knife tail is set to the front. In some embodiments, the cutting mechanism 4 further comprises a photosensor for detecting completion of cutting and/or completion of repositioning of the blade stack 43. In some embodiments, the cutting mechanism 4 is provided with a sensing mechanism 8 for sensing the opposite edge, and the sensing mechanism 8 is preferably an infrared sensing opposite edge mechanism or a light sensing opposite edge mechanism.

In some embodiments, the size adjustment mechanism 5 includes a fourth linear drive mechanism 51, a baffle 52, a size plate 53; the size plate 53 is arranged parallel to the conveying direction of the film 7; the baffle 52 is arranged perpendicular to the size plate 53; the fourth linear driving mechanism 51 is connected to the blocking plate 52 for driving the blocking plate 52 to move closer to or away from the cutting mechanism 4 along the conveying direction of the film 7, so as to adjust the area of the area surrounded by the cutting mechanism 4, the size plate 53 and the blocking plate 52.

In some embodiments, the fourth linear driving mechanism 51 is preferably a screw pair, and specifically includes a motor 511, a slider 512, a guide rail 513, a screw 514, a nut, and a bearing seat 515, the slider 512 and the guide rail 513 are in concave-convex fit, the guide rail 513 and the size plate 53 are arranged in parallel and extend in the left-right direction, and the guide rail 513 and the size plate 53 are respectively arranged on both sides of the flat plate 32 in the front-back direction; the motor 511 is mounted on a first end of the guide rail 513, and the bearing housing 515 is mounted on a second end of the guide rail 513; one end of the screw rod 514 is connected with the motor 511, the other end of the screw rod 514 is coupled with the bearing seat 515, the nut is fixedly arranged on the sliding block 512, and the baffle plate 52 is connected with the sliding block 512. In some embodiments, the size adjusting mechanism 5 is provided with a sensing mechanism 8 for sensing the opposite edge, and the sensing mechanism 8 is preferably an infrared sensing opposite edge mechanism or a light sensing opposite edge mechanism. Before cutting, the baffle plate 52 is adjusted to the position with the corresponding size, when the film 7 is conveyed to the conveying platform 3 and moves to the baffle plate 52, the film 7 is sensed by the sensing mechanism 8, material conveying is suspended, the film pressing structure 45 is enabled to compress the film 7, then the cutting mechanism 4 is enabled to cut the film 7, and the film 7 is reset after cutting is completed; and the material transmission is continued. Go on like this to reciprocating to realize tailorring of film 7, artificial intervention only is material loading and regulation size and get the material, and is safe good, the cost of labor is low and efficient.

In some embodiments, the device further comprises a control cabinet 6, the control cabinet 6 is provided with a touch screen and a manual operating platform, and the material conveying mechanism 2, the cutting mechanism 4, the size adjusting mechanism 5 and the sensing mechanism 8 are all connected with the control cabinet 6.

In other embodiments of the present invention, different from the above embodiments, the cutting blade is a blade extending in the front-rear direction, and the second linear driving mechanism 42 reciprocates in the up-down direction.

In other embodiments of the present invention, the first linear driving mechanism 27, the second linear driving mechanism 42, the third linear driving mechanism 44 and the fourth linear driving mechanism 51 may be one or more combinations of a cylinder, a screw pair, and a rack and pinion linear driving mechanism.

In other embodiments of the present invention, different from the above embodiments, the guide rail 513 and the size plate 53 are the same component, that is, the guide rail 513 is provided with a size mark.

In other embodiments of the present invention, the pressing wheel 23 can press the driving wheel 24 when moving from bottom to top, and the pressing wheel 23 can be away from the driving wheel 24 when moving from top to bottom.

Thus, various embodiments of the present disclosure have been described in detail. Some details well known in the art have not been described in order to avoid obscuring the concepts of the present disclosure. It will be fully apparent to those skilled in the art from the foregoing description how to practice the presently disclosed embodiments.

Although some specific embodiments of the present disclosure have been described in detail by way of example, it should be understood by those skilled in the art that the above examples are for illustration only and are not intended to limit the scope of the present disclosure. It will be understood by those skilled in the art that various changes may be made in the above embodiments or equivalents may be substituted for elements thereof without departing from the scope and spirit of the present disclosure. In particular, the technical features mentioned in the embodiments can be combined in any way as long as there is no structural conflict.

Claims (10)

1. A film cutting machine, comprising:

the discharging mechanism (1) is used for placing the film;

the material conveying mechanism (2) is used for conveying the thin film discharged by the discharging mechanism;

a conveying platform (3) for supporting the material discharged by the material conveying mechanism;

a cutting mechanism (4) for cutting the film; and the number of the first and second groups,

a size adjusting mechanism (5) for adjusting the cutting size of the film;

wherein the cutting mechanism (4) and the size adjusting mechanism (5) are mounted on the conveying platform (3).

2. The film cutting machine according to claim 1, characterized in that the emptying mechanism (1) comprises: a rack (11) for supporting the film; a reel (12) for mating with a core roll of film; and, a safety chuck (13) for mounting the reel (12); the safety chuck (13) is relatively rotatably mounted on the material placing frame (11); the reel (12) is detachably mounted on the safety chuck (13).

3. The film cutting machine according to claim 2, characterized in that the discharging mechanism (1) further comprises an edge aligning machine for correcting deviation; and/or the presence of a gas in the gas,

the reel (12) is a convex key type air expansion shaft matched with core reels with different inner diameter sizes.

4. The film cutting machine according to claim 1, characterized in that the material conveying mechanism (2) comprises a driving motor (21), a fixed seat (22), a pressing wheel (23) and a driving wheel (24); the fixed seat (22) is oppositely arranged on the conveying platform (3); the driving wheel (24) and the pressing wheel (23) are rotatably mounted on the fixed seat (22) in parallel, and a film conveying position is formed between the driving wheel (24) and the pressing wheel (23); the driving motor (21) is connected with the driving wheel (24) and used for driving the driving wheel (24) to rotate so as to realize that the film of the discharging mechanism (1) is conveyed to be positioned on the conveying platform (3) for spreading.

5. The film cutting machine according to claim 4, characterized in that, the material conveying mechanism (2) further comprises an adjusting mechanism for adjusting the approach or the distance of the pinch roller (23) and the driving roller (24).

6. The film cutting machine according to claim 5, characterized in that the adjusting mechanism comprises a slider-type bearing housing (25) and a first linear drive mechanism (27); the sliding block type bearing seat (25) is mounted on the fixed seat (22) in a sliding mode; the first linear driving mechanism (27) is connected with the slider type bearing seat (25) to be close to or far away from the driving wheel (24), and the pressing wheel (23) is coupled to the slider type bearing seat (25) in a shaft mode.

7. The film cutting machine according to claim 1, characterized in that said conveying platform comprises a support frame (31) and a flat plate (32), said flat plate (32) being mounted to said support frame (31).

8. The film cutting machine according to claim 1, characterized in that said cutting mechanism (4) comprises a fixed vertical frame (41), a second linear driving mechanism (42) and a cutter group frame (43); the fixed vertical frames (41) are oppositely arranged on the conveying platform (3) and are arranged beside two sides of the film; the second linear driving mechanism (42) is connected with the cutter group frame (43) and is used for driving the cutter group frame (43) to approach or separate from the film.

9. The film cutting machine according to any one of claims 1-8, characterized in that the cutting mechanism (4) further comprises a third linear drive mechanism (44) and a lamination mechanism (45); the third linear driving mechanism (44) is connected with the film pressing structure (45) and used for driving the film pressing structure (45) to be close to or far away from the film.

10. The film cutting machine according to any one of claims 1 to 8, characterized in that the size adjustment mechanism (5) comprises a fourth linear drive mechanism (51), a shutter (52) and a size plate (53); the size plate (53) is arranged in parallel with the conveying direction of the film; the baffle (52) is arranged perpendicular to the size plate (53); the fourth linear driving mechanism (51) is connected with the baffle (52) and used for driving the baffle (52) to be close to or far away from the cutting mechanism (4) along the conveying direction of the film so as to adjust the area of the area formed by the cutting mechanism (4), the size plate (53) and the baffle (52) in a surrounding manner; and/or the presence of a gas in the gas,

at least one of the discharging mechanism (1), the material conveying mechanism (2) and the size adjusting mechanism (5) is provided with an induction mechanism.

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