Film roll cutting device

Abstract

The invention discloses a thin film roll cutting device which comprises a feeding mechanism, a receiving mechanism, a laser cutting module and a taking mechanism which are arranged on a rack, the feeding mechanism comprises a feeding motor, a feeding tray and a feeding control mechanism, a gold film roll is arranged on the feeding tray, and a laser cutting module is arranged on the laser cutting module. The feeding control mechanism is used for controlling the length of a material belt fed every time, the material receiving mechanism comprises a material receiving motor and a material receiving tray, the material receiving tray is connected with the material belt to wind the cut material belt, the laser cutting module is used for cutting the material belt to form a needed membrane, and the material taking mechanism is used for transferring the cut membrane. Through linkage cooperation of the discharging mechanism and the receiving mechanism, full-automatic discharging and receiving of a material roll are achieved, an overlong material belt cannot be discharged in the discharging process, the receiving tray is driven by the receiving motor to rotate through the slipping belt, after the winding of the receiving tray is larger and larger in the later period, the material roll is wound through slipping of the belt, and meanwhile the production cost can be reduced.

Description

Technical Field

[0001] The present invention relates to the technical field of coil processing, and particularly to a film coil cutting device. Background Art

[0002] Polyimide (PI) film is known as the "gold film" in the industry. It can be used for a long time in the wide temperature range of -270°C to 400°C, and at the same time has excellent comprehensive properties such as high strength, high insulation, radiation resistance, and corrosion resistance. Polyimide films are classified into applications in the electrical grade for general insulation and heat resistance purposes, electronic grade applications with requirements such as flexibility, aerospace applications, and flexible display optoelectronic applications according to their uses. There are many varieties of polyimide films and they are widely used. Currently, the largest amount is used in the electronic field, and electronic grade applications account for 60 - 80% of the total amount of polyimide films.

[0003] The gold film is usually in the form of a coil. When in use, it is cut into a certain shape according to the requirements of relevant products. At present, some use a stamping forming method to cut the gold film. This method requires the design and manufacture of stamping dies, which has a long cycle, high cost, and is not convenient for product switching. After stamping and cutting, the cut film pieces are collected manually or mechanically and transferred to the subsequent assembly process. Since it is easy to have a situation where the material tape is too long when feeding the gold film coil, a certain amount of material waste is formed. At the same time, how to synchronously recycle the waste tape after cutting is also a major problem. Summary of the Invention

[0004] The purpose of the present invention is to provide a film coil cutting device aiming at the above deficiencies in the current cutting of gold film coils. This device realizes the full-automatic feeding and winding of the gold film coil, will not release an overly long material tape, and at the same time can realize the synchronous recycling of the waste tape, which is also beneficial to reducing production costs.

[0005] The present invention is realized through the following technical solutions:

[0006] The present invention provides a film coil cutting device, which includes a feeding mechanism, a winding mechanism, a laser cutting module, and a picking mechanism arranged on a frame. The feeding mechanism includes a feeding motor, a feeding coil, and a feeding control mechanism. The feeding coil is provided with a gold film coil. The feeding control mechanism is used to control the length of the material tape fed each time. The winding mechanism includes a winding motor and a winding coil. The winding coil is connected to the material tape to wind the cut material tape. The laser cutting module is used to cut the material tape to form the required film pieces. The picking mechanism is used to transfer the cut film pieces.

[0007] As a preferred embodiment of the present invention, the feeding control mechanism includes a guide rail, a first idler pulley, a second idler pulley, and a third idler pulley. The guide rail is arranged vertically and is provided with a slider in cooperation. The first idler pulley and the third idler pulley are located at the upper end of the guide rail and are respectively located on both sides of the guide rail. The second idler pulley is located on the slider. The tape released from the feeding tray sequentially bypasses the upper side of the first idler pulley, the lower side of the second idler pulley, and the upper side of the third idler pulley. A counterweight is further arranged on the slider, and the slider drives the tape to move downward under the action of the gravity of the counterweight.

[0008] As a preferred embodiment of the present invention, the feeding control mechanism further includes an upper limit switch, a lower limit switch, and a light shielding piece. The light shielding piece is located on the slider. The upper limit switch and the lower limit switch are arranged up and down along the moving direction of the slider to control the up and down positions of the slider.

[0009] As a preferred embodiment of the present invention, it further includes a workbench, a fourth idler pulley, and a fifth idler pulley. The workbench is horizontally arranged on the frame. The ultraviolet light emitted by the laser cutting module is directed towards the workbench. The fourth idler pulley and the fifth idler pulley are located at one end of the workbench and are respectively located on the upper and lower sides of the workbench.

[0010] As a preferred embodiment of the present invention, the material taking mechanism includes a material taking cylinder, a transverse movement module, and a material taking head. The material taking cylinder is connected to the material taking head to drive the material taking head to move up and down relative to the workbench to realize material taking. The material taking cylinder is arranged on the transverse movement module to realize horizontal transverse movement after material taking.

[0011] As a preferred embodiment of the present invention, the slide plate of the transverse movement module moves horizontally in the horizontal direction. A guide rail is arranged vertically on the slide plate and is provided with a slider in cooperation. A bracket is connected to the slider. The material taking head is installed at the lower end of the bracket. The material taking cylinder is connected to the slide plate, and the output end of the material taking cylinder is connected to the bracket.

[0012] As a preferred embodiment of the present invention, the material collecting mechanism further includes a transmission mechanism. The transmission mechanism includes a driving synchronous pulley, a driven synchronous pulley, and a material collecting driven pulley. The driving synchronous pulley is connected to the output end of the material collecting motor. The driven synchronous pulley is connected to the driving synchronous pulley through a synchronous belt. The material collecting driven pulley is arranged on the material collecting tray and is connected to the driven synchronous pulley through a slipping belt.

[0013] As a preferred embodiment of the present invention, the transmission mechanism further includes a first tensioning pulley and a second tensioning pulley. The first tensioning pulley is arranged on one side of the synchronous belt for tensioning the synchronous belt. The second tensioning pulley is arranged on one side of the slipping belt for tensioning the slipping belt.

[0014] As a preferred embodiment of the present invention, the material collecting mechanism further includes a waste pressing cylinder. A pressing wheel is arranged at the output end of the waste pressing cylinder. After the waste pressing cylinder extends, the tape is pressed against the axle of the driven synchronous pulley through the pressing wheel.

[0015] As a preferred embodiment of the present invention, a tray locking device is provided on the receiving tray for locking the receiving tray when needed.

[0016] Compared with the prior art, the present invention has the following advantages and beneficial effects:

[0017] Through the linkage cooperation of the feeding mechanism and the receiving mechanism, the present invention realizes the full-automatic feeding and receiving of the coil. During the feeding process, an excessively long tape will not be released. The receiving tray is driven to rotate by the receiving motor through a slipping belt. After the receiving tray becomes larger and larger during the later receiving process, the tape is wound by belt slipping; the present invention generates ultraviolet light through the laser cutting module to cut the tape to form the required film. Compared with the stamping cutting method, there is no need to design and manufacture stamping dies, and the cut film is transferred through the picking mechanism, which is convenient for use in the subsequent assembly process and can reduce production costs. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] In order to more clearly illustrate the technical solutions of the exemplary embodiments of the present invention, the drawings required for use in the embodiments will be briefly introduced below. It should be understood that the following drawings only show some embodiments of the present invention and should not be regarded as limiting the scope. For those of ordinary skill in the art, other related drawings can also be obtained based on these drawings without creative efforts. In the drawings:

[0019] Figure 1 is a perspective view of the film coil cutting device in the present invention;

[0020] Figure 2 is another perspective view of the film coil cutting device in the present invention;

[0021] Figure 3 in the present invention Figure 1 is a front view;

[0022] Figure 4 in the present invention Figure 3 is a left view;

[0023] Figure 5 is a schematic diagram of the picking mechanism in the present invention;

[0024] Figure 6 is a schematic diagram of the receiving tray assembly in the present invention;

[0025] Figure 7 is a schematic diagram of the driven synchronous pulley assembly in the present invention.

[0026] Marks in the drawings and corresponding component names:

[0027] 1 - Frame, 11 - Support base plate, 12 - Vertical plate, 13 - Horizontal plate, 14 - Reinforcing rib, 2 - Unloading mechanism, 21 - Unloading motor, 22 - Unloading tray, 23 - First guide rail, 24 - First idler pulley, 25 - Second idler pulley, 26 - Third idler pulley, 27 - Counterweight, 28 - Upper limit switch, 29 - Lower limit switch, 3 - Rewinding mechanism, 31 - Rewinding motor, 32 - Rewinding tray, 321 - Tray locking device, 33 - Driving synchronous pulley, 34 - Driven synchronous pulley, 35 - Rewinding driven pulley, 36 - Synchronous belt, 361 - First tensioning pulley, 37 - Slipping belt, 371 - Second tensioning pulley, 38 - Scrap pressing cylinder, 381 - Pressing wheel, 4 - Laser cutting module, 5 - Pickup mechanism, 51 - Pickup cylinder, 52 - Cross - moving module, 521 - Slide plate, 53 - Pickup head, 54 - Second guide rail, 55 - Bracket, 56 - Module fixing plate, 6 - Workbench, 7 - Fourth idler pulley, 8 - Fifth idler pulley. Detailed implementation manners

[0028] To make the objectives, technical solutions and advantages of the present invention clearer and more understandable, the present invention will be further described in detail below in conjunction with embodiments and the accompanying drawings. The illustrative embodiments and descriptions thereof of the present invention are only used to explain the present invention and do not limit the present invention.

[0029] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by those skilled in the technical field to which this application belongs; the terms used herein are only for the purpose of describing specific embodiments and are not intended to limit this application; the terms "including" and "having" and any variations thereof in the specification and claims of this application and the above - mentioned drawings are intended to cover non - exclusive inclusion.

[0030] In the description of the embodiments of this application, technical terms such as "first" and "second" are only used to distinguish different objects and cannot be understood as indicating or implying relative importance or implicitly indicating the quantity, specific order or primary - secondary relationship of the indicated technical features.

[0031] Reference to "embodiment" herein means that a particular feature, structure or characteristic described in connection with the embodiment can be included in at least one embodiment of this application. The phrase appears in various places in the specification and does not necessarily refer to the same embodiment, nor is it an independent or alternative embodiment mutually exclusive with other embodiments. Those skilled in the art will explicitly and implicitly understand that the embodiments described herein can be combined with other embodiments.

[0032] In the description of the embodiments of the present application, the term "and / or" is merely a description of the association relationship between associated objects, indicating that there can be three relationships. For example, A and / or B can represent three situations: the existence of A, the coexistence of A and B, and the existence of B. In addition, the character " / " in this article generally indicates that the associated objects before and after are in an "or" relationship.

[0033] In the embodiments of the present application, the same reference numerals represent the same components, and for the sake of brevity, in different embodiments, the detailed description of the same components is omitted. It should be understood that the thicknesses, lengths, widths, etc. of various components in the embodiments of the present application shown in the drawings, as well as the overall thickness, length, width, etc. of the integrated device are only for illustrative purposes and should not constitute any limitation to the present application.

[0034] In the description of the embodiments of the present application, the term "plurality" refers to two or more (including two). Similarly, "multiple groups" refers to two or more groups (including two groups), and "multiple pieces" refers to two or more pieces (including two pieces), unless otherwise specifically and clearly defined.

[0035] In the description of the embodiments of the present application, the orientation or positional relationship indicated by technical terms such as "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc. is based on the orientation or positional relationship shown in the drawings. It is only for the convenience of describing the embodiments of 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 embodiments of the present application.

[0036] In the description of the embodiments of the present application, unless otherwise clearly specified and defined, technical terms such as "installation", "connection", "connection", "fixation", etc. should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or integrated; it can also 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 embodiments of the present application can be understood according to specific circumstances.

[0037] Please refer to Figures 1 to 7, a film roll cutting device provided in an embodiment of the present application includes a feeding mechanism 2, a receiving mechanism 3, a laser cutting module 4, and a picking mechanism 5 provided on a frame 1. The feeding mechanism 2 includes a feeding motor 21, a feeding reel 22, and a feeding control mechanism. A gold film roll is provided on the feeding reel 22. The feeding control mechanism is used to control the length of the tape released each time. The receiving mechanism 3 includes a receiving motor 31 and a receiving reel 32. The receiving reel 32 is connected to the tape to wind up the cut tape. The laser cutting module 4 is used to cut the tape to form the required film pieces. The picking mechanism 5 is used to transfer the cut film pieces.

[0038] In the present application, through the linkage and cooperation of the feeding mechanism 2 and the receiving mechanism 3, the full-automatic feeding and receiving of the material roll is realized. During the feeding process, too long tape will not be released. The receiving reel 32 is driven by the receiving motor 31 through a slipping belt 37 to rotate. After the receiving reel 32 becomes larger and larger in the later stage, the tape is wound by belt slipping; ultraviolet light is generated by the laser cutting module 4 to cut the tape to form the required film pieces. Compared with the stamping cutting method, there is no need to design and manufacture stamping dies, and the cut film pieces are transferred by the picking mechanism 5, which is convenient for use in the subsequent assembly process and can reduce production costs.

[0039] The frame 1 in the embodiment of the present application includes a supporting bottom plate 11 and a vertical plate 12. The vertical plate 12 is perpendicular to the supporting bottom plate 11, and the lower end of the vertical plate 12 is fixedly connected to the supporting bottom plate 11. The feeding mechanism 2, the receiving mechanism 3, the laser cutting module 4, and the picking mechanism 5 in the film roll cutting device are respectively arranged at different positions on the vertical plate 12. Among them, the feeding reel 22, the receiving reel 32, and the receiving motor 31 are located on the same side of the vertical plate 12, the feeding motor 21 is located on the other side of the vertical plate 12, and the feeding control mechanism is located on the same side of the vertical plate 12 as the feeding reel 22. A horizontal cross plate 13 is connected to the top of the vertical plate 12. The laser cutting module 4 is installed on the cross plate 13, and a reinforcing rib 14 is arranged between the cross plate 13 and the vertical plate 12.

[0040] According to some embodiments of the present application, the feeding control mechanism includes a first guide rail 23, a first idler pulley 24, a second idler pulley 25, and a third idler pulley 26. The first guide rail 23 is arranged vertically and is provided with a first slider in cooperation. The first idler pulley 24 and the third idler pulley 26 are located at the upper end of the first guide rail 23 and are respectively located on both sides of the first guide rail 23. The second idler pulley 25 is located on the first slider. The tape released from the feeding reel 22 sequentially bypasses the upper side of the first idler pulley 24, the lower side of the second idler pulley 25, and the upper side of the third idler pulley 26. A counterweight 27 is also arranged on the first slider. The first slider drives the tape to move downward under the action of the gravity of the counterweight 27.

[0041] Since the tape released from the feeding reel 22 successively bypasses the upper side of the first idler pulley 24, the lower side of the second idler pulley 25, and the upper side of the third idler pulley 26, during the process of the take-up mechanism 3 taking up the cut tape, at this time the feeding reel 22 remains stationary, and the tape will drive the second idler pulley 25 to move upward. When the second idler pulley 25 reaches the predetermined position upward, the take-up mechanism 3 stops taking up the waste tape, and then the feeding reel 22 starts to rotate and release the tape. Under the action of the gravity of the counterweight 27, the first slider moves downward to drive the released tape to move downward until the second idler pulley 25 reaches the predetermined position downward and then the feeding reel 22 stops feeding.

[0042] According to some embodiments of the present application, the feeding control mechanism further includes an upper limit switch 28, a lower limit switch 29, and a light-shielding sheet. The light-shielding sheet is located on the first slider. The upper limit switch 28 and the lower limit switch 29 are arranged up and down along the moving direction of the first slider to control the upper and lower limit positions of the first slider. Specifically, the upper limit switch 28 and the lower limit switch 29 are arranged on the vertical plate 12, and a groove-type photoelectric switch can be used. For example, when the light-shielding sheet moves downward with the first slider to the limit position and blocks the groove-type photoelectric switch to give a signal, the feeding motor 21 is controlled to stop rotating and feeding. Similarly, when the light-shielding sheet moves upward with the first slider to the limit position and blocks the groove-type photoelectric switch to give a signal, the take-up motor 31 is controlled to stop rotating and taking up.

[0043] According to some embodiments of the present application, it further includes a workbench 6, a fourth idler pulley 7, and a fifth idler pulley 8. The workbench 6 is horizontally arranged on the frame 1. The ultraviolet light emitted by the laser cutting module 4 faces the workbench 6. The fourth idler pulley 7 and the fifth idler pulley 8 are located at one end of the workbench 6 close to the first guide rail 23 and are respectively located on the upper and lower sides of the workbench 6. This workbench 6 is located on the vertical plate 12 on the same side as the feeding reel 22, and its vertical height position is lower than the lower limit position of the first slider. The position of the fourth idler pulley 7 in the vertical direction is slightly lower than the lower limit position of the second idler pulley 25, and the lower side of the fourth idler pulley 7 is slightly lower than the upper surface of the workbench 6. The tape passing through the third idler pulley 26 successively bypasses the lower side of the fourth idler pulley 7, the upper surface of the workbench 6, and the upper side of the fifth idler pulley 8. By means of the fourth idler pulley 7 and the fifth idler pulley 8, a section of the tape can be made to fit on the upper surface of the workbench 6, and the ultraviolet light emitted by the laser cutting module 4 facing the upper surface of the workbench 6 can cut the tape.

[0044] According to some embodiments of the present application, the material taking mechanism 5 includes a material taking cylinder 51, a transverse movement module 52 and a material taking head 53. The material taking cylinder 51 is connected to the material taking head 53 to drive the material taking head 53 to move up and down relative to the workbench 6 to realize material taking. The material taking cylinder 51 is arranged on the transverse movement module 52 to realize horizontal transverse movement after material taking. The material taking head 53 is arranged vertically. During material taking, its lower end faces the upper surface of the workbench 6, and the material taking cylinder 51 drives the material taking head 53 to move vertically up and down for material taking. After material taking, the transverse movement module 52 acts to drive the material taking cylinder 51 and the material taking head 53 to perform horizontal transverse movement, so that they move away from the vertical plate 12 and move to the subsequent working stations.

[0045] According to some embodiments of the present application, the slide plate 521 of the transverse movement module 52 moves horizontally. A second guide rail 54 is arranged vertically on the slide plate 521 and is provided with a second slider in cooperation. A bracket 55 is connected to the second slider, and the material taking head 53 is installed at the lower end of the bracket 55. The material taking cylinder 51 is connected to the slide plate 521, and the piston rod of the material taking cylinder 51 is connected to the bracket 55. The transverse movement module 52 is connected to the vertical plate 12 through a module fixing plate 56, and at the same time, an avoidance notch is opened on the vertical plate 12.

[0046] The material taking process is as follows: First, move the slide plate 521 of the transverse movement module 52 to the in-place position so that the material taking head 53 faces the workbench 6. Then, the piston rod of the material taking cylinder 51 extends to drive the bracket 55, the second slider and the material taking head 53 to move downward for material taking. After material taking, the piston rod of the material taking cylinder 51 retracts, and then the slide plate 521 of the transverse movement module 52 moves to transfer the cut diaphragm to the subsequent assembly process station.

[0047] According to some embodiments of the present application, the material receiving mechanism 3 further includes a transmission mechanism, which transmits the movement of the material receiving motor 31 to the material receiving tray 32. The transmission mechanism includes a driving synchronous pulley 33, a driven synchronous pulley 34 and a material receiving driven pulley 35. The driving synchronous pulley 33 is connected to the output end of the material receiving motor 31. The driven synchronous pulley 34 is connected to the driving synchronous pulley 33 through a synchronous belt 36. The material receiving driven pulley 35 is arranged on the material receiving tray 32 and is connected to the driven synchronous pulley 34 through a slipping belt 37. Specifically, the material receiving driven pulley 35 is arranged on the axle of the material receiving tray 32. The driven synchronous pulley 34 has two pulley grooves in the axial direction. One pulley groove is matched with the synchronous belt 36, and the other pulley groove is matched with the slipping belt 37. The slipping belt 37 has a circular cross-section.

[0048] According to some embodiments of the present application, the transmission mechanism further includes a first tensioning pulley 361 and a second tensioning pulley 371. The first tensioning pulley 361 is arranged on one side of the synchronous belt 36 for tensioning the synchronous belt 36, and the second tensioning pulley 371 is arranged on one side of the slipping belt 37 for tensioning the slipping belt 37.

[0049] According to some embodiments of the present application, the material receiving mechanism 3 further includes a waste material pressing cylinder 38. A pressing wheel 381 is provided at the output end of the waste material pressing cylinder 38. After the waste material pressing cylinder 38 extends, the material tape is tightly wound around the axle of the driven synchronous wheel 34 through the pressing wheel 381.

[0050] According to some embodiments of the present application, a disk locking device 321 is provided on the material receiving disk 32 for locking the material receiving disk 32 when needed.

[0051] Specific process flow: Install the gold film material roll on the material feeding disk 22, and the material feeding disk 22 is also fixed synchronously. The waste material pressing cylinder 38 extends to press the material tape. The material feeding motor 21 rotates, and the outgoing gold film material tape is pulled down by the gravity of the counterweight 27 on the first guide rail 23. When the light shielding sheet reaches the limit position and blocks the lower limit switch 29 to give a signal, the material feeding motor 21 stops rotating and feeding at this time. Then the laser cutting module 4 cuts the material tape to form the required film pieces. The material taking mechanism 5 takes the materials after cutting is completed and transfers them to the subsequent process. At this time, the material receiving motor 31 starts to rotate to wind up the waste materials. When the material tape released by the rotation of the material feeding disk 22 is consumed, at this time, the counterweight 27 is stretched to the highest point, and the light shielding sheet blocks the upper limit switch 28 to give a signal. At this time, the material receiving motor 31 stops rotating and winding up the materials, and then the material feeding motor 21 starts to rotate and feed again.

[0052] The above specific embodiments further elaborate on the purpose, technical solutions, and beneficial effects of the present invention. It should be understood that the above are only specific embodiments of the present invention and are not used to limit the protection scope of the present invention. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention shall be included in the protection scope of the present invention.

Claims

1. A thin film roll cutting device, characterized in that, It includes a feeding mechanism, a collecting mechanism, a laser cutting module and a picking mechanism arranged on a frame. The feeding mechanism includes a feeding motor, a feeding coil and a feeding control mechanism. A gold film coil is arranged on the feeding coil. The feeding control mechanism is used to control the length of the strip released each time. The collecting mechanism includes a collecting motor and a collecting coil. The collecting coil is connected to the strip to wind up the cut strip. The laser cutting module is used to cut the strip to form the required diaphragm. The picking mechanism is used to transfer the cut diaphragm.

2. The film roll cutting device according to claim 1, characterized in that, The feeding control mechanism includes a guide rail, a first idler pulley, a second idler pulley and a third idler pulley. The guide rail is arranged vertically and is equipped with a slider in cooperation. The first idler pulley and the third idler pulley are located at the upper end of the guide rail and are respectively located on both sides of the guide rail. The second idler pulley is located on the slider. The strip released from the feeding coil sequentially bypasses the upper side of the first idler pulley, the lower side of the second idler pulley and the upper side of the third idler pulley. A counterweight is also arranged on the slider. The slider drives the strip to move downward under the action of the gravity of the counterweight.

3. The thin film roll cutting device according to claim 2, characterized in that, The feeding control mechanism further includes an upper limit switch, a lower limit switch and a light-shielding piece. The light-shielding piece is located on the slider. The upper limit switch and the lower limit switch are arranged up and down along the moving direction of the slider to control the up and down positions of the slider.

4. The film roll cutting device according to claim 1, wherein, It also includes a workbench, a fourth idler pulley and a fifth idler pulley. The workbench is horizontally arranged on the frame. The ultraviolet light emitted by the laser cutting module faces the workbench. The fourth idler pulley and the fifth idler pulley are located at one end of the workbench and are respectively located on the upper and lower sides of the workbench.

5. The film roll cutting device according to claim 1, characterized in that, The picking mechanism includes a picking cylinder, a transverse movement module and a picking head. The picking cylinder is connected to the picking head to drive the picking head to move up and down relative to the workbench to pick up materials. The picking cylinder is arranged on the transverse movement module to perform horizontal transverse movement after picking up materials.

6. The film roll cutting device according to claim 5, wherein The slide plate of the transverse movement module moves horizontally in the horizontal direction. A guide rail is arranged vertically on the slide plate and is equipped with a slider in cooperation. A bracket is connected to the slider. The picking head is installed at the lower end of the bracket. The picking cylinder is connected to the slide plate. The output end of the picking cylinder is connected to the bracket.

7. The film roll cutting device according to claim 1, wherein, The collecting mechanism further includes a transmission mechanism. The transmission mechanism includes a driving synchronous pulley, a driven synchronous pulley and a collecting driven pulley. The driving synchronous pulley is connected to the output end of the collecting motor. The driven synchronous pulley is connected to the driving synchronous pulley through a synchronous belt. The collecting driven pulley is arranged on the collecting coil and is connected to the driven synchronous pulley through a slipping belt.

8. The thin film roll cutting device according to claim 7, wherein, The transmission mechanism further includes a first tensioning pulley and a second tensioning pulley. The first tensioning pulley is arranged on one side of the synchronous belt to tension the synchronous belt. The second tensioning pulley is arranged on one side of the slipping belt to tension the slipping belt.

9. The film roll cutting device according to claim 7, characterized in that, The collecting mechanism further includes a waste pressing cylinder. The output end of the waste pressing cylinder is provided with a pressing wheel. After the waste pressing cylinder extends, the strip is pressed against the axle of the driven synchronous pulley through the pressing wheel.

10. The thin film roll cutting device according to claim 1, characterized in that, A coil locking device is arranged on the collecting coil for locking the collecting coil when needed.

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