Film cutting mechanism

Abstract

The utility model provides a film cutting mechanism. The film cutting mechanism comprises a supporting base. The film absorbing platform is mounted on the supporting seat; the film cutting and transferring assembly is connected with the supporting seat; a cutter assembly; and the film cutting power piece is mounted on the supporting seat and is connected with the cutter assembly. The membrane can be supported by the feeding device and transferred to the membrane cutting position, when the membrane cutting power part drives the cutter assembly to be close to the membrane, membrane cutting treatment can be conducted on the membrane through the cutter assembly, namely, membrane cutting treatment can be directly conducted on the feeding device, the membrane does not need to be moved away, the membrane obtained after membrane cutting can be moved away through the membrane suction platform and the membrane cutting and transferring assembly, and the membrane cutting efficiency is improved. And the moving stroke of the film cutting mechanism is reduced, the waiting time of the feeding equipment is also reduced, and the lamination efficiency of the films can be improved.

Description

Technical Field

[0001] This application belongs to the technical field of diaphragm lamination, and more specifically, it relates to a film cutting mechanism. Background Art

[0002] Before the laminator performs the film laminating operation on the diaphragm, it is necessary to pre-cut the diaphragm to remove the excess scraps at the edges of the diaphragm. The current laminator transfers the diaphragm to the film cutting position through the feeding device. The film cutting device sucks the diaphragm and then performs the film cutting process, and finally places the cut diaphragm on the feeding device.

[0003] However, after the film cutting device sucks the diaphragm and performs the film cutting, and then transfers the cut diaphragm to the feeding device, it increases the travel of the film cutting device and prolongs the waiting time for the feeding device to reciprocate for feeding, which affects the lamination efficiency of the diaphragm. Utility Model Content

[0004] The purpose of the embodiments of this application is to provide a film cutting mechanism to solve the problems existing in the related technologies: after the film cutting device sucks the diaphragm and performs the film cutting, and then transfers the cut diaphragm to the feeding device, it prolongs the waiting time for the feeding device to reciprocate for feeding, which affects the lamination efficiency of the diaphragm.

[0005] To achieve the above purpose, the technical solution adopted in the embodiments of this application is:

[0006] Provide a film cutting mechanism, including:

[0007] A support base;

[0008] A film suction platform, installed on the support base for adsorbing the diaphragm;

[0009] A film cutting and transferring assembly, connected to the support base for driving the film suction platform to move;

[0010] A cutting knife assembly for performing film cutting on the diaphragm;

[0011] A film cutting power member, installed on the support base and connected to the cutting knife assembly for driving the cutting knife assembly to approach or move away from the diaphragm.

[0012] In one embodiment, the support base includes a mounting plate installed on the film cutting and transferring assembly, a bottom plate connected to the mounting plate, two side plates arranged in parallel at intervals, leveling seats installed on each side plate, and adjusting and locking members installed on each leveling seat; both ends of the mounting plate are respectively connected to the two side plates, and each adjusting and locking member is locked to the bottom plate; the film suction platform and the film cutting power member are respectively installed on the bottom plate.

[0013] In one embodiment, a first guiding rod is installed on the film suction platform, a first sleeve through which the first guiding rod passes is installed on the support seat, a first limiting seat is installed at one end of the first guiding rod passing through the first sleeve, a spring is sleeved on the first guiding rod, one end of the spring abuts against the first sleeve, and the other end of the spring abuts against the film suction platform.

[0014] In one embodiment, the film suction platform includes a film suction upper seat connected to the support seat and a film suction lower seat connected to the film suction upper seat. A first negative pressure hole is formed in the film suction upper seat, a suction nozzle communicated with the first negative pressure hole is installed on the film suction upper seat, and a second negative pressure hole communicated with the first negative pressure hole is formed in the film suction lower seat; the first guiding rod is connected to the film suction upper seat.

[0015] In one embodiment, the film cutting and material transferring assembly includes one or several of a film cutting lifting unit for driving the support seat to lift, a film cutting longitudinal moving unit for driving the support seat to move longitudinally, and a film cutting transverse moving unit for driving the support seat to move transversely; the support seat is installed on the film cutting lifting unit, the film cutting lifting unit is installed on the film cutting longitudinal moving unit, and the film cutting longitudinal moving unit is installed on the film cutting transverse moving unit.

[0016] In one embodiment, the film cutting assembly includes a film cutting frame connected to the film cutting power member, a plurality of film cutting rotating wheels rotatably installed on the film cutting frame, a film cutting connecting belt connecting the plurality of film cutting rotating wheels, a film cutting driving unit for driving the film cutting connecting belt to rotate, and a plurality of film cutting units for performing film cutting treatment on the film; the film cutting driving unit is installed on the film cutting frame, the film cutting driving unit is connected to one of the film cutting rotating wheels, one end of each film cutting unit is connected to the film cutting connecting belt, and the other end of each film cutting unit is slidably installed on the film cutting frame.

[0017] In one embodiment, the film cutting driving unit includes a film cutting support installed on the film cutting frame, a film cutting motor installed on the film cutting support, a driving wheel installed on the output shaft of the film cutting motor, a rotating shaft connecting the film cutting support and the film cutting frame, a driven wheel installed on the rotating shaft, and a transmission belt connecting the driving wheel and the driven wheel; one of the film cutting rotating wheels is installed on the rotating shaft.

[0018] In one embodiment, each film cutting unit includes a film cutting base slidably installed on the film cutting frame, a first clamping seat installed on the film cutting base, a second clamping seat connected to the first clamping seat to clamp the film cutting connecting belt, and a film cutting body rotatably installed on the film cutting base.

[0019] In one embodiment, at least one of the first clamping seats is provided with a resisting piece for cooperating with the supporting seat to resist.

[0020] In one embodiment, a second guiding rod is installed on the film cutting frame, a second sleeve through which the second guiding rod passes is installed on the supporting seat, and a second limiting seat is installed at one end of the second guiding rod passing through the second sleeve.

[0021] The film cutting mechanism provided by the embodiment of the present application has at least the following beneficial effects: The film can be supported by the feeding device and transferred to the film cutting position. When the cutting knife assembly is driven by the film cutting power member to approach the film, the film can be cut by the cutting knife assembly, that is, the film can be directly cut on the feeding device without moving the film away; The film after cutting can be removed by the film sucking platform and the film cutting and transferring assembly, reducing the moving stroke of the film cutting mechanism and also reducing the waiting time of the feeding device, which helps to improve the laminating efficiency of the film. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] In order to more clearly illustrate the technical solutions in the embodiments of the present application, the following will briefly introduce the drawings required for use in the embodiments or exemplary technical descriptions. Obviously, the drawings in the following description are only some embodiments of the present application. For those of ordinary skill in the art, other drawings can be obtained based on these drawings without creative efforts.

[0023] Figure 1 It is a schematic structural diagram of the film cutting mechanism provided by the embodiment of the present application;

[0024] Figure 2 For Figure 1 It is a schematic structural diagram after removing the film cutting and transferring assembly;

[0025] Figure 3 For Figure 2 It is a schematic structural diagram after removing the film sucking platform and the cutting knife assembly;

[0026] Figure 4 It is an exploded schematic diagram of the film sucking platform provided by the embodiment of the present application;

[0027] Figure 5 It is a schematic structural diagram of the cutting knife assembly provided by the embodiment of the present application;

[0028] Figure 6 It is a schematic structural diagram of the film cutting drive unit provided by the embodiment of the present application;

[0029] Figure 7 It is a schematic structural diagram of the cutting knife unit provided by the embodiment of the present application.

[0030] Among them, the main reference signs in the drawings are:

[0031] 1. Support base; 11. Mounting plate; 12. Bottom plate; 13. Side plate; 14. Leveling base; 15. Adjusting and locking member; 16. First sleeve; 17. Spring; 18. Second sleeve;

[0032] 2. Film suction platform; 21. First guide rod; 211. First limit seat; 22. Upper film suction seat; 221. First negative pressure hole; 23. Lower film suction seat; 231. Second negative pressure hole; 24. Suction nozzle;

[0033] 3. Film cutting and material transfer assembly; 31. Film cutting lifting unit; 32. Film cutting longitudinal movement unit;

[0034] 4. Film cutting blade assembly; 41. Film cutting frame; 411. Second guide rod; 412. Second limit seat; 42. Film cutting runner; 43. Film cutting connecting belt; 44. Film cutting drive unit; 441. Film cutting support; 442. Film cutting motor; 443. Driving wheel; 444. Rotating shaft; 445. Driven wheel; 446. Transmission belt; 45. Film cutting blade unit; 451. Film cutting base; 452. First clamping seat; 453. Second clamping seat; 454. Film cutting blade body; 455. Baffle piece;

[0035] 5. Film cutting power member. Detailed implementation manners

[0036] In order to make the technical problems, technical solutions and beneficial effects to be solved by the present application clearer and more understandable, the present application will be further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the present application and are not used to limit the present application.

[0037] It should be noted that when an element is referred to as being "fixed to" or "disposed on" another element, it can be directly on the other element or indirectly on the other element. When an element is referred to as being "connected to" another element, it can be directly connected to the other element or indirectly connected to the other element.

[0038] In addition, the terms "first" and "second" are only used for descriptive purposes and cannot be understood as indicating or implying relative importance or implicitly specifying the quantity of the indicated technical features. Thus, the features defined with "first" and "second" may explicitly or implicitly include one or more of such features. In the description of the present application, "a plurality of" means two or more unless otherwise specifically defined. The meaning of "several" is one or more unless otherwise specifically defined.

[0039] In the description of the present application, it should be understood that the orientation or positional relationship indicated by the terms "center", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the present application and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be construed as a limitation to the present application.

[0040] In the description of the present application, it should be noted that unless otherwise clearly specified and limited, the terms "mounted", "connected", "coupled" should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be directly connected or indirectly connected through an intermediate medium, and it can be the communication inside two elements or the interaction relationship between two elements. For those of ordinary skill in the art, the specific meanings of the above terms in the present application can be understood according to specific circumstances.

[0041] Reference to "one embodiment" or "embodiments" throughout the specification means that a particular feature, structure, or characteristic described in connection with the embodiment is included in at least one embodiment of the present application. Thus, the phrases "in one embodiment" or "in some embodiments" appearing throughout the specification are not necessarily all referring to the same embodiment. In addition, in one or more embodiments, the specific features, structures, or characteristics may be combined in any suitable manner.

[0042] For the convenience of description, three mutually perpendicular coordinate axes in space are defined as the X-axis, the Y-axis, and the Z-axis respectively. At the same time, the direction along the X-axis is the longitudinal direction, the direction along the Y-axis is the transverse direction, and the direction along the Z-axis is the vertical direction; where the X-axis and the Y-axis are two mutually perpendicular coordinate axes in the same horizontal plane, and the Z-axis is the coordinate axis in the vertical direction; the X-axis, the Y-axis, and the Z-axis are located in space with three mutually perpendicular planes being the XY plane, the YZ plane, and the XZ plane respectively. Among them, the XY plane is the horizontal plane, and the XZ plane and the YZ plane are both vertical planes, and the XZ plane is perpendicular to the YZ plane. The three axes in space are the X-axis, the Y-axis, and the Z-axis, and moving along the three axes in space means moving along the three mutually perpendicular axes in space, specifically moving along the X-axis, the Y-axis, and the Z-axis in space; while the planar movement is moving in the XY plane.

[0043] Please refer to Figure 1 and Figure 2, the film cutting mechanism provided by the embodiments of the present application will now be described. The film cutting mechanism includes a support base 1, a film suction platform 2, a film cutting and material transfer assembly 3, a cutting knife assembly 4, and a film cutting power member 5. The support base 1 is installed on the film cutting and material transfer assembly 3, the film suction platform 2 is installed on the support base 1, and the film cutting and material transfer assembly 3 can drive the support base 1 and the film suction platform 2 to move, so that the adsorption and movement of the film suction platform 2 on the film can be realized. The film cutting power member 5 is installed on the support base 1, the film cutting power member 5 is connected to the cutting knife assembly 4, and the film cutting power member 5 can drive the cutting knife assembly 4 to approach or move away from the film. Among them, the film cutting power member 5 can be a cylinder, an electric cylinder, etc., and there is no unique limitation here. The film can be supported and transferred to the film cutting position by the feeding device. When the film cutting power member 5 drives the cutting knife assembly 4 to approach the film, the film can be cut by the cutting knife assembly 4, that is, the film can be directly cut on the feeding device without moving the film away. After cutting, the film can be moved away by the film suction platform 2 and the film cutting and material transfer assembly 3, reducing the moving stroke of the film cutting mechanism and the waiting time of the feeding device, which helps to improve the lamination efficiency of the film.

[0044] In one embodiment, please refer to Figure 3 , as a specific implementation manner of the film cutting mechanism provided by the embodiments of the present application, the support base 1 includes a mounting plate 11 installed on the film cutting and material transfer assembly 3, a bottom plate 12 connected to the mounting plate 11, two side plates 13 arranged in parallel at intervals, leveling seats 14 installed on each side plate 13, and adjusting and locking members 15 installed on each leveling seat 14; both ends of the mounting plate 11 are respectively connected to the two side plates 13, and each adjusting and locking member 15 is locked on the bottom plate 12; the film suction platform 2 and the film cutting power member 5 are respectively installed on the bottom plate 12. Among them, the mounting plate 11 is perpendicular to the bottom plate 12, and each side plate 13 is perpendicular to the mounting plate 11 and the bottom plate 12 respectively. Each adjusting and locking member 15 can be a screw, a bolt, etc., and there is no unique limitation here. With this structure, by adjusting the locking degree of each adjusting and locking member 15, the flatness of the bottom plate 12 can be adjusted, ensuring that the bottom plate 12 is in a horizontal position, and thus the film cutting accuracy and quality of the cutting knife assembly 4 on the film can be improved.

[0045] In one embodiment, please refer to Figure 2 and Figure 3, as a specific implementation of the film cutting mechanism provided in the embodiments of the present application, a first guiding rod 21 is installed on the film suction platform 2, and a first sleeve 16 for the first guiding rod 21 to pass through is installed on the support base 1. A first limiting seat 211 is installed at one end of the first guiding rod 21 passing through the first sleeve 16. A spring 17 is sleeved on the first guiding rod 21. One end of the spring 17 abuts against the first sleeve 16, and the other end of the spring 17 abuts against the film suction platform 2. In this structure, when the film cutting and material transferring assembly 3 drives the film suction platform 2 to move and adsorb the film, during the process of the film suction platform 2 contacting the film and the feeding device, when the film suction platform 2 is affected by an external force, the first guiding rod 21 and the spring 17 can play a buffering and protecting role for the film suction platform 2, avoiding damage to the film caused by excessive pressure on the film suction platform 2. Through the cooperation of the first guiding rod 21 and the first sleeve 16, the reliability of the reciprocating movement of the film suction platform 2 can be improved. The first limiting seat 211 can cooperate with the bottom plate 12 to resist, so as to realize the limiting and resisting of the film suction platform 2. Among them, the first guiding rod 21, the first sleeve 16, the first limiting seat 211 and the spring 17 are combined to form a buffering assembly, and the number of this buffering assembly can be multiple, thereby improving the buffering and protecting effect on the film suction platform 2 and the film.

[0046] In one embodiment, please refer to Figure 4 , as a specific implementation of the film cutting mechanism provided in the embodiments of the present application, the film suction platform 2 includes a film suction upper seat 22 connected to the support base 1 and a film suction lower seat 23 connected to the film suction upper seat 22. A first negative pressure hole 221 is opened on the film suction upper seat 22, and an air suction nozzle 24 communicated with the first negative pressure hole 221 is installed on the film suction upper seat 22. A second negative pressure hole 231 communicated with the first negative pressure hole 221 is opened on the film suction lower seat 23; the first guiding rod 21 is connected to the film suction upper seat 22. In this structure, by connecting an external vacuum negative pressure device to the air suction nozzle 24 to pump vacuum, the vacuum negative pressure generated by the first negative pressure hole 221 and the second negative pressure hole 231 can adsorb the film on the film suction lower seat 23. Among them, the number of the first negative pressure holes 221, the air suction nozzles 24 and the second negative pressure holes 231 can be multiple, so as to improve the adsorption effect on the film.

[0047] In one embodiment, please refer to Figure 1, as a specific implementation manner of the film cutting mechanism provided in the embodiments of the present application, the film cutting and material transferring assembly 3 includes one or several of a film cutting lifting unit 31 for driving the support base 1 to lift, a film cutting longitudinal moving unit 32 for driving the support base 1 to move longitudinally, and a film cutting transverse moving unit (not shown in the figure) for driving the support base 1 to move transversely; the support base 1 is installed on the film cutting lifting unit 31, the film cutting lifting unit 31 is installed on the film cutting longitudinal moving unit 32, and the film cutting longitudinal moving unit 32 is installed on the film cutting transverse moving unit. With this structure, the position of the film sucking platform 2 in the Z-axis direction can be adjusted by the film cutting lifting unit 31, the position of the film sucking platform 2 in the Y-axis direction can be adjusted by the film cutting longitudinal moving unit 32, and the position of the film sucking platform 2 in the X-axis direction can be adjusted by the film cutting transverse moving unit. Among them, the film cutting lifting unit 31, the film cutting longitudinal moving unit 32, and the film cutting transverse moving unit can all be cylinder transmission mechanisms, lead screw transmission mechanisms, slide linear mechanisms, etc., and there is no unique limitation here. In the embodiments of the present application, the film cutting and material transferring assembly 3 may include a film cutting lifting unit 31 and a film cutting longitudinal moving unit 32.

[0048] In one embodiment, please refer to Figure 5 , as a specific implementation manner of the film cutting mechanism provided in the embodiments of the present application, the cutter assembly 4 includes a film cutting frame 41 connected to the film cutting power member 5, a plurality of film cutting rotating wheels 42 rotatably installed on the film cutting frame 41, a film cutting connecting belt 43 connecting the plurality of film cutting rotating wheels 42, a film cutting driving unit 44 for driving the film cutting connecting belt 43 to rotate, and a plurality of cutter units 45 for performing film cutting treatment on the film; the film cutting driving unit 44 is installed on the film cutting frame 41, the film cutting driving unit 44 is connected to one of the film cutting rotating wheels 42, one end of each cutter unit 45 is connected to the film cutting connecting belt 43, and the other end of each cutter unit 45 is slidably installed on the film cutting frame 41. With this structure, the film cutting driving unit 44 can drive the film cutting connecting belt 43 to rotate, and further drive the plurality of cutter units 45 to move synchronously, so that the plurality of cutter units 45 can perform synchronous film cutting operations on the film.

[0049] In one embodiment, please refer to Figure 5 , the film cutting frame 41 has a hollow square structure, the film cutting power member 5 can drive the film cutting frame 41 to lift, and the film sucking platform 2 can pass through the hollow structure of the film cutting frame 41, which is convenient for the plurality of cutter units 45 to perform film cutting treatment on the film.

[0050] In one embodiment, please refer to Figure 5, the number of film cutting wheels 42 can be four, and the four film cutting wheels 42 are respectively arranged at the four corners of the film cutting frame 41. The number of cutting knife units 45 can be four, and the four cutting knife units 45 are respectively slidably installed on the four sides of the film cutting frame 41. In this structure, since the structure of the film is square, when the film cutting drive unit 44 drives the film cutting connection belt 43 to rotate, the film cutting connection belt 43 can drive the four cutting knife units 45 to move synchronously, and the four cutting knife units 45 can simultaneously perform film cutting on the four sides of the film, thus improving the film cutting efficiency of the film.

[0051] In one embodiment, please refer to Figure 6 , as a specific implementation of the film cutting mechanism provided by the embodiment of the present application, the film cutting drive unit 44 includes a film cutting support 441 installed on the film cutting frame 41, a film cutting motor 442 installed on the film cutting support 441, a driving wheel 443 installed on the output shaft of the film cutting motor 442, a rotating shaft 444 connecting the film cutting support 441 and the film cutting frame 41, a driven wheel 445 installed on the rotating shaft 444, and a transmission belt 446 connecting the driving wheel 443 and the driven wheel 445; one of the film cutting wheels 42 is installed on the rotating shaft 444. In this structure, when the film cutting motor 442 drives the driving wheel 443 to rotate, the driven wheel 445 and the film cutting wheel 42 can be driven to rotate together through the transmission belt 446, and then the film cutting connection belt 43 can be driven to rotate to realize the synchronous film cutting of the film by multiple cutting knife units 45. Of course, the film cutting drive unit 44 can also be a motor directly connected to one of the film cutting wheels 42, which is not limited uniquely here.

[0052] In one embodiment, please refer to Figure 7 , as a specific implementation of the film cutting mechanism provided by the embodiment of the present application, each cutting knife unit 45 includes a cutting knife base 451 slidably installed on the film cutting frame 41, a first clamping seat 452 installed on the cutting knife base 451, a second clamping seat 453 connected to the first clamping seat 452 to clamp the film cutting connection belt 43, and a cutting knife body 454 rotatably installed on the cutting knife base 451. Among them, each cutting knife base 451 is slidably installed on the film cutting frame 41 through a guide rail pair to improve the reliability of the reciprocating movement of each cutting knife base 451. In this structure, the connection between the cutting knife base 451 and the film cutting connection belt 43 can be realized through the first clamping seat 452 and the second clamping seat 453, and the film cutting of the film can be realized through the cutting knife body 454.

[0053] In one embodiment, please refer to Figure 7 , as a specific implementation of the film cutting mechanism provided by the embodiment of the present application, a resisting piece 455 is installed on at least one first clamping seat 452. In this structure, when the film cutting drive unit 44 drives the film cutting frame 41 to move up and down, the limit of the film cutting frame 41 in the Z-axis direction can be realized through the cooperation and resistance between the resisting piece 455 and the support seat 1.

[0054] In one embodiment, please refer to Figure 2 and Figure 3 , as a specific implementation manner of the film cutting mechanism provided in the embodiments of the present application, a second guide rod 411 is installed on the film cutting frame 41, and a second sleeve 18 for the second guide rod 411 to pass through is installed on the support seat 1. A second limit seat 412 is installed at one end of the second guide rod 411 passing through the second sleeve 18. With this structure, when the film cutting drive unit 44 drives the film cutting frame 41 to move up and down, through the cooperation and positioning of the second guide rod 411 and the second sleeve 18, the reliability of the up and down movement of the film cutting frame 41 can be improved. Among them, the number of the second guide rods 411 and the second sleeves 18 can be multiple. By the cooperation of multiple second guide rods 411 and multiple second sleeves 18 respectively, the guiding effect on the up and down movement of the film cutting frame 41 can be improved.

[0055] The above are only optional embodiments of the present application and are not intended to limit the present application. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present application shall be included in the protection scope of the present application.

Claims

1. A film cutting mechanism, characterized in that: include: Support seat; A film absorbing platform, installed on the support seat, for absorbing the film; A film cutting and material moving component, connected to the support seat, and used to drive the film absorbing platform to move; A cutter assembly, used for cutting the film; The film cutting power part is installed on the support seat and connected to the cutter assembly, and is used to drive the cutter assembly to approach or move away from the film.

2. The film cutting mechanism according to claim 1, characterized in that: The support seat includes a mounting plate installed on the film cutting and material moving assembly, a bottom plate connected to the mounting plate, two side plates arranged in parallel and spaced apart, a leveling seat installed on each of the side plates, and an adjusting locking member installed on each of the leveling seats; the two ends of the mounting plate are respectively connected to the two side plates, and each of the adjusting locking members is locked on the bottom plate; the film suction platform and the film cutting power member are respectively installed on the bottom plate.

3. The film cutting mechanism according to claim 1, characterized in that: A first guide rod is installed on the film suction platform, a first sleeve for the first guide rod to pass through is installed on the support seat, a first limit seat is installed on one end of the first guide rod passing through the first sleeve, a spring is sleeved on the first guide rod, one end of the spring abuts against the first sleeve, and the other end of the spring abuts against the film suction platform.

4. The film cutting mechanism according to claim 3, characterized in that: The film suction platform includes a film suction upper seat connected to the support seat and a film suction lower seat connected to the film suction upper seat, the film suction upper seat is provided with a first negative pressure hole, the film suction upper seat is equipped with a suction nozzle connected to the first negative pressure hole, and the film suction lower seat is provided with a second negative pressure hole connected to the first negative pressure hole; the first guide rod is connected to the film suction upper seat.

5. The film cutting mechanism according to any one of claims 1 to 4, characterized in that: The film cutting and material moving assembly includes one or more of a film cutting lifting unit for driving the support seat to lift and lower, a film cutting longitudinal movement unit for driving the support seat to move longitudinally, and a film cutting transverse movement unit for driving the support seat to move transversely; the support seat is installed on the film cutting lifting unit, the film cutting lifting unit is installed on the film cutting longitudinal movement unit, and the film cutting longitudinal movement unit is installed on the film cutting transverse movement unit.

6. The film cutting mechanism according to any one of claims 1 to 4, characterized in that: The cutter assembly includes a film cutting frame connected to the film cutting power part, a plurality of film cutting wheels rotatably mounted on the film cutting frame, a film cutting connecting belt connecting the plurality of film cutting wheels, a film cutting drive unit for driving the film cutting connecting belt to rotate, and a plurality of cutter units for cutting the film sheet; the film cutting drive unit is installed on the film cutting frame, the film cutting drive unit is connected to one of the film cutting wheels, one end of each of the cutter units is connected to the film cutting connecting belt, and the other end of each of the cutter units is slidably mounted on the film cutting frame.

7. The film cutting mechanism according to claim 6, characterized in that: The film cutting drive unit includes a film cutting support mounted on the film cutting frame, a film cutting motor mounted on the film cutting support, a driving wheel mounted on the output shaft of the film cutting motor, a rotating shaft connecting the film cutting support and the film cutting frame, a driven wheel mounted on the rotating shaft, and a transmission belt connecting the driving wheel and the driven wheel; one of the film cutting wheels is mounted on the rotating shaft.

8. The film cutting mechanism according to claim 6, characterized in that: Each of the cutter units includes a cutter base slidably mounted on the film cutting frame, a first clamping seat mounted on the cutter base, a second clamping seat connected to the first clamping seat to clamp the film cutting connecting belt, and a cutter body rotatably mounted on the cutter base.

9. The film cutting mechanism according to claim 8, characterized in that: At least one of the first clamping seats is provided with a blocking piece for cooperating with the supporting seat.

10. The film cutting mechanism according to claim 6, characterized in that: A second guide rod is installed on the film cutting frame, a second sleeve for the second guide rod to pass through is installed on the support seat, and a second limiting seat is installed on one end of the second guide rod passing through the second sleeve.

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