Protective film material winding equipment and using method thereof

Abstract

The invention belongs to protective film material winding equipment in the technical field of protective film material production, and further relates to a use method of the protective film material winding equipment. The mounting part (4) is sleeved with a furling seat (5), a plurality of telescopic components (6) are fixedly arranged on the outer ring of the furling seat (5), a furling cylinder positioning first side edge (7) is arranged on one side of each telescopic component (6), the telescopic components (6) are connected with a furling cylinder positioning second side edge (9), the furling cylinder positioning first side edge (7) comprises a first horizontal limiting rod part (10) and a first vertical limiting plate part (11), and the first horizontal limiting rod part (10) is connected with the first vertical limiting plate part (11). And the second furling cylinder positioning side edge (9) comprises a second horizontal limiting rod part (12) and a second vertical limiting plate part (13). According to the protective film material winding equipment, winding of protective films can be conveniently and reliably achieved, the equipment can be used for replacement of winding drums of different types and widths through simple adjustment so as to achieve winding of the protective films of different types and widths, the universality of the equipment is improved, and the manufacturing cost is reduced.

Description

Technical Field

[0001] The present invention belongs to the technical field of protective film material production, and more specifically, relates to a protective film material winding device. The present invention also relates to a method for using the protective film material winding device. Background Art

[0002] In the manufacturing process of the protective film, the formed protective film needs to be rolled up, and the rolling up requires the use of a winding drum. In the prior art, for a protective film of a certain model and size (width), a winding drum of a corresponding width size needs to be equipped and replaced, which results in poor versatility of the winding equipment of the processing equipment and increases the manufacturing cost of the winding equipment.

[0003] In the prior art, there is a technology named "A protective film winding device and a material release and protective film winding integrated device" and the publication (announcement) number is "CN111573352A". This technology discloses a protective film winding device, including a transmission wheel group and a film winding wheel. The film winding wheel is driven by the transmission wheel group to rotate synchronously with the reel material, so that the protective film that has fallen off is automatically wound on the film winding wheel, which saves time and effort and is safe and efficient. A material release and protective film winding integrated device is also disclosed, including a material rack, a material installation wheel for fixing the reel material and rotatably connected to the material rack, and a film winding wheel for collecting the protective film. The film winding wheel and the material installation wheel are driven by the transmission wheel group to rotate synchronously. When the reel material is released into the leveling machine, the protective film is automatically wound without manual operation. On the one hand, it saves labor costs, and on the other hand, it improves the efficiency of protective film winding and collection, ensures the normal operation of subsequent machines, and improves production efficiency. However, this technology does not involve the technical problems and technical solutions of the present application. Summary of the invention

[0004] The technical problem to be solved by the present invention is: in view of the shortcomings of the prior art, a protective film winding device is provided which has a simple structure, can conveniently and reliably realize the winding of the protective film, and can be used to replace winding drums of different models and widths through simple adjustment, so as to realize the winding of protective films of different widths and models, improve the versatility of the equipment, and reduce the manufacturing cost.

[0005] To solve the above-mentioned technical problems, the technical solution adopted by the present invention is:

[0006] The present invention relates to a protective film material winding device, a mounting seat is arranged on a base of the device, the mounting seat is connected to the winding shaft, the winding shaft is provided with a mounting portion with a non-circular cross-section, the mounting portion is sleeved on the winding seat, a plurality of telescopic components are fixedly arranged on the outer ring of the winding seat, a winding drum is arranged on one side of each telescopic component to position the first side, the telescopic rod of the telescopic component is connected to the winding drum to position the second side, the winding drum positioning the first side includes a first horizontal limiting rod portion and a first vertical limiting plate portion, and the winding drum positioning the second side includes a second horizontal limiting rod portion and a second vertical limiting plate portion.

[0007] The first horizontal limiting rod and the second horizontal limiting rod are outer-circumferentially mounted with a winding drum.

[0008] The second vertical limit plate portion for positioning the second side of the winding drum includes a first vertical limit plate portion assembly and a second vertical limit plate portion assembly. A positioning recess is arranged on the outer surface of the first vertical limit plate portion or the second vertical limit plate portion, and a protruding positioning protrusion is arranged on the side end of the winding drum.

[0009] A connecting round rod portion is arranged at one end of the reeling shaft, the connecting round rod portion is movably connected to one side of the mounting seat, and a second round rod portion is arranged at the other end of the reeling shaft.

[0010] The driving motor is fixedly mounted on the other side of the mounting seat, and the connecting round rod portion extends to the other side of the mounting seat to connect with the driving motor.

[0011] The first vertical limit plate portion of the winding drum positioning the first side is connected to the telescopic component by bolts, and the first vertical limit plate portion assembly and the vertical limit plate portion assembly of the second vertical limit plate portion of the winding drum positioning the second side are respectively connected to the telescopic rod ends of the corresponding telescopic components by bolts.

[0012] The mounting portion is provided with a plurality of winding components arranged in intervals, each winding component comprises a winding seat, a telescopic component, a winding drum positioning first side edge, and a positioning second side edge, and a telescopic component is fixedly provided on the outer ring of the winding seat of each winding component.

[0013] The cross section of the mounting portion of the reeling shaft is a square structure, the length and width of the mounting portion are both greater than the diameter of the connecting round rod portion, and the length and width of the mounting portion are both greater than the diameter of the second round rod portion.

[0014] The mounting portion is provided with a first axial positioning pin and a second axial positioning pin.

[0015] The present invention also relates to a method for using a protective film material winding device, the steps of the method for using the protective film material winding device are as follows:

[0016] S1: When a large-sized reel needs to be installed, the telescopic rod of the telescopic component of the reel component is controlled to extend, the distance between the first vertical limit plate portion for positioning the reel on the first side and the second vertical limit plate portion for positioning the reel on the second side is increased, the first vertical limit plate portion assembly and the second vertical limit plate portion assembly of the second vertical limit plate portion are disassembled, the large-sized reel is mounted on the first horizontal limit rod portion and the second horizontal limit rod portion outer ring, the first vertical limit plate portion assembly and the second vertical limit plate portion assembly are reinstalled, and the large-sized reel is installed;

[0017] S2: When it is necessary to replace a small-sized winding drum, disassemble the first vertical limit plate assembly and the second vertical limit plate assembly of the second vertical limit plate part, take out the large-sized winding drum, control the telescopic rod of the telescopic part of the winding part to retract, reduce the distance between the first vertical limit plate part for positioning the winding drum on the first side and the second vertical limit plate part for positioning the winding drum on the second side, install the small-sized winding drum onto the outer rings of the first horizontal limit rod part and the second horizontal limit rod part, reinstall the first vertical limit plate assembly and the second vertical limit plate assembly, and complete the replacement of the small-sized winding drum.

[0018] The technical solution of the present invention is adopted, and the working principle and beneficial effects are as follows:

[0019] The protective film material winding device described in the present invention has an equipment base that is fixed in the factory building of the protective film production line, a mounting seat is arranged on the equipment base, the mounting seat is fixedly connected to the equipment machine by bolts, the mounting seat is connected to the winding shaft, the winding shaft can rotate relative to the mounting seat, the winding shaft is provided with a mounting portion with a non-circular cross-section, the mounting portion is fitted with the winding seat, the structural setting of the mounting portion ensures that the winding seat will not rotate at will after being installed to the mounting portion, and ensures that the winding seat and the winding shaft rotate synchronously, a telescopic component is fixedly arranged on the outer ring of the winding seat, a first side edge of a winding drum positioning is arranged on one side of the telescopic component, the first side edge of the winding drum positioning is in a fixed state with the telescopic component, the telescopic rod of the telescopic component is connected to the second side edge of the winding drum positioning, and the second side edge of the winding drum positioning can move axially when the telescopic rod is extended or retracted, that is, the change of the position of the second side edge of the winding drum positioning relative to the first side edge of the winding drum positioning is achieved. The first side of the winding drum positioning includes a first horizontal limiting rod and a first vertical limiting plate, which are arranged in a vertical state. The second side of the winding drum positioning includes a second horizontal limiting rod and a second vertical limiting plate, which are arranged in a vertical state. The first horizontal limiting rod and the second horizontal limiting rod are both hollow cylindrical structures, and the first horizontal limiting rod and the second horizontal limiting rod are plug-connected. The first vertical limiting plate and the second vertical limiting plate are arranged in parallel, and the relative positions of the first vertical limiting plate and the second vertical limiting plate are driven to change when the telescopic component is extended and retracted, so as to realize distance adjustment, so as to meet the requirements of the set of winding drums of different models and widths, and to meet the requirements of the reeling of protective films of different models and widths. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] The following is a brief description of the contents and symbols in the drawings of this specification:

[0021] Figure 1 It is a schematic diagram of the axial structure of the protective film material winding device of the present invention;

[0022] Figure 2 It is a schematic diagram of the axial structure of the protective film material winding device of the present invention;

[0023] Figure 3 It is a schematic diagram of the main structure of the protective film material winding device of the present invention;

[0024] Figure 4 It is a partial structural schematic diagram of the protective film material winding device of the present invention;

[0025] The accompanying drawings are marked as follows: 1. Equipment base; 2. Mounting seat; 3. Winding shaft; 4. Mounting part; 5. Winding seat; 6. Telescopic component; 7. Winding drum positioning first side; 8. Telescopic rod; 9. Winding drum positioning second side; 10. First horizontal limit rod portion; 11. First vertical limit plate portion; 12. Second horizontal limit rod portion; 13. Second vertical limit plate portion; 14. Winding drum; 15. First vertical limit plate portion assembly; 16. Second vertical limit plate portion assembly; 17. Positioning protrusion; 18. Connecting round rod portion; 19. Driving motor; 20. Second round rod portion; 21. Axial limit ring; 22. Axial positioning pin. DETAILED DESCRIPTION

[0026] The following is a further detailed description of the specific implementation of the present invention, such as the shape, structure, mutual position and connection relationship between the various components involved, the function and working principle of each part, etc., through the description of the embodiments with reference to the accompanying drawings:

[0027] As attached Figure 1 -Attached Figure 4As shown, the present invention is a protective film material winding device, a mounting seat 2 is arranged on the device base 1, the mounting seat 2 is connected to the winding shaft 3, the winding shaft 3 is provided with a mounting portion 4 with a non-circular cross section, the mounting portion 4 is fitted with a winding seat 5, and a plurality of telescopic components 6 are fixedly arranged on the outer ring of the winding seat 5, and a first side edge 7 for positioning the winding drum is arranged on one side of each telescopic component 6, and a telescopic rod 8 of the telescopic component 6 is connected to the second side edge 9 for positioning the winding drum, and the first side edge 7 for positioning the winding drum includes a first horizontal limiting rod portion 10 and a first vertical limiting plate portion 11, and the second side edge 9 for positioning the winding drum includes a second horizontal limiting rod portion 12 and a second vertical limiting plate portion 13. The above structure proposes an improved technical solution for the deficiencies in the prior art. When setting up the structure, an equipment base 1 is set, and the equipment base 1 is fixed in the factory building of the protective film production line. A mounting seat 2 is set on the equipment base 1, and the mounting seat 2 is fixedly connected to the equipment machine 1 by bolts. The mounting seat 2 is connected to the winding shaft 3, and the winding shaft can rotate relative to the mounting seat. The winding shaft 3 is provided with a mounting portion 4 with a non-circular cross-section, and the mounting portion 4 is fitted with a winding seat 5. The structural setting of the mounting portion 4 ensures that the winding seat 5 will not rotate at will after being installed on the mounting portion 4, ensuring that the winding seat 5 and the winding shaft 3 rotate synchronously, and a telescopic component 6 is fixedly set on the outer ring of the winding seat 5, and a first side edge 7 for winding drum positioning is set on one side of the telescopic component 6, and the first side edge 7 for winding drum positioning is in a fixed state with the telescopic component, and the telescopic rod 8 of the telescopic component 6 is connected to the second side edge 9 for winding drum positioning, and the second side edge 9 for winding drum positioning can move axially when the telescopic rod 8 is extended or retracted, that is, the change of the position of the second side edge 9 for winding drum positioning relative to the first side edge 7 for winding drum positioning is realized. The first side edge 7 for positioning the winding drum includes a first horizontal limiting rod 10 and a first vertical limiting plate 11, which are arranged in a vertical state. The second side edge 9 for positioning the winding drum includes a second horizontal limiting rod 12 and a second vertical limiting plate 13, which are arranged in a vertical state. The first horizontal limiting rod 10 and the second horizontal limiting rod 12 are both hollow cylindrical structures. The first horizontal limiting rod 10 and the second horizontal limiting rod 12 can be plug-in connected, and the two are limited in the radial direction, which can improve the force strength of the entire equipment structure. The first vertical limiting plate 11 and the second vertical limiting plate 13 are arranged in parallel, and when the telescopic component 6 is extended and retracted, the relative position of the first vertical limiting plate 11 and the second vertical limiting plate 13 is driven to change, and the distance is adjusted to meet the needs of the set of winding drums 14 of different models and widths, and to meet the needs of the winding of protective films of different models and widths. The protective film material winding device described in the present invention has a simple structure, can conveniently and reliably realize the winding of the protective film, and can be used to replace winding drums of different models and widths through simple adjustment to realize the winding of protective films of different widths and models, thereby improving the versatility of the equipment and reducing the manufacturing cost of the equipment.

[0028] The first horizontal limit rod 10 and the second horizontal limit rod 12 are provided with a reel 14 on their outer rings. In the above structure, the distance between the first vertical limit plate 11 and the second vertical limit plate 13 can be adjusted and changed, and the first horizontal limit rod 10 and the second horizontal limit rod 12 are provided with a reel 14 on their outer rings, but the reel is fixed to the first horizontal limit rod 10 or the second horizontal limit rod 12, so as to realize the synchronous rotation of the reel and the reel shaft. In this way, the same reeling device can quickly replace reels of different models and sizes, thereby improving the versatility of the device.

[0029] The second vertical limit plate portion 13 for positioning the second side edge 9 of the reel includes a first vertical limit plate portion assembly 15 and a second vertical limit plate portion assembly 16. A positioning recess is provided on the outer surface of the first vertical limit plate portion 11 or the second vertical limit plate portion 13, and a protruding positioning convex portion 17 is provided on the side end of the reel 14. In the above structure, two telescopic components 6 can be provided. The first vertical limit plate portion assembly 15 can be connected to the end of the telescopic rod 8 of one telescopic component, and the second vertical limit plate portion assembly 16 can be connected to the telescopic rod 8 of another telescopic component 6. The two telescopic rods 8 move synchronously to achieve synchronous displacement of the first vertical limit plate portion assembly 15 and the second vertical limit plate portion assembly 16. Alternatively, a telescopic component 6 is provided, and the first vertical limit plate portion assembly 15 is provided with an extension rod, and the extension rod is connected to the second vertical limit plate portion assembly 16 by bolts, so that the second vertical limit plate portion assembly 16 and the first vertical limit plate portion assembly 15 can move synchronously, meeting the adjustment requirements of the distance of the second vertical limit plate portion 13.

[0030] The reel shaft 3 is provided with a connecting rod portion 18 at one end, and the connecting rod portion 18 is movably connected to one side of the mounting seat 5, and the other end of the reel shaft 3 is provided with a second rod portion 20. In the above structure, the length and width of the mounting portion 4 are both greater than the diameter of the second rod portion 20, so that the reel seat 5 is conveniently installed on the mounting portion 4 and also conveniently removed from the mounting portion 4. Alternatively, the mounting seat 5 is not provided as a structure that is fitted onto the mounting portion 4, but can be directly welded to the mounting portion 4.

[0031] The other side of the mounting seat 5 is fixed with a drive motor 19, and the connecting rod portion 18 extends to the other side of the mounting seat 5 to connect the drive motor 19. In the above structure, the drive motor rotates under the control of the control component, which can drive the reel shaft 3 to rotate and drive the reel drum 14 to rotate and retract.

[0032] The first vertical limit plate portion 11 of the winding drum for positioning the first side 7 is connected to the telescopic component 6 by bolts, and the first vertical limit plate portion assembly 15 and the vertical limit plate portion assembly 16 of the second vertical limit plate portion 12 of the winding drum for positioning the second side 9 are respectively connected to the ends of the telescopic rod 8 of the corresponding telescopic component 6 by bolts. In the above structure, the first vertical limit plate portion 11 is fixedly connected to the telescopic component 6 by bolts, and the first vertical limit plate portion assembly 15 and the second vertical limit plate portion assembly 16 of the second vertical limit plate portion 12 are respectively fixedly connected to the ends of the telescopic rod 8 of the corresponding telescopic component 6 by bolts. When the telescopic rod 8 of the telescopic cylinder 6 is not in motion or the telescopic motion is in place, the distance between the first vertical limit plate portion 11 and the second vertical limit plate portion 12 is fixed, and the corresponding winding drum 14 is mounted, and the radial and axial positioning of the winding drum 14 is realized.

[0033] The mounting portion 4 is provided with a plurality of winding components arranged in intervals, each of which comprises a winding seat 5, a telescopic component 6, a first side edge 7 for positioning the winding drum, and a second side edge 9, and a telescopic component 6 is fixedly provided on the outer ring of the winding seat 5 of each winding component. The above structure is provided with a plurality of winding components, and the plurality of winding components act synchronously, so that the winding of multiple protective films can be realized at the same time, and the plurality of winding components will not interfere with each other, thereby effectively improving the winding efficiency.

[0034] The cross section of the mounting portion 4 of the reeling shaft 3 is a square structure, the length and width of the mounting portion 4 are both greater than the diameter of the connecting round rod portion 18, and the length and width of the mounting portion 4 are both greater than the diameter of the second round rod portion 20. The mounting portion 4 is provided with a first axial positioning pin 21 and a second axial positioning pin 22. In the above structure, when each reeling seat 5 is mounted on the mounting portion 4, the two sides are limited by the first axial limiting pin 21 and the second axial limiting pin 22 fixedly inserted, ensuring that the reeling seat 5 will not easily move axially relative to the reeling shaft 3, ensuring reliable positioning.

[0035] The present invention also relates to a method for using a protective film material winding device, which has simple steps, can conveniently and reliably realize the winding of a protective film, and can be used for replacing winding drums of different models and widths through simple adjustment, so as to realize the winding of protective films of different widths and models, improve the versatility of the device, and reduce the manufacturing cost. The steps of the method are:

[0036] S1: When a large-sized winding drum 14 needs to be installed, the telescopic rod 8 of the telescopic component 6 of the winding component is extended, and the distance between the first vertical limit plate portion 11 for positioning the first side edge 7 of the winding drum and the second vertical limit plate portion 13 for positioning the second side edge 9 of the winding drum is increased. The first vertical limit plate portion assembly 15 and the second vertical limit plate portion assembly 16 of the second vertical limit plate portion 13 are disassembled, and the large-sized winding drum 14 is mounted on the outer rings of the first horizontal limit rod portion 10 and the second horizontal limit rod portion 12, and the first vertical limit plate portion assembly 15 and the second vertical limit plate portion assembly 16 are reinstalled to complete the installation of the large-sized winding drum 14; S2: When it is necessary When replacing the small-sized reel 14, the first vertical limit plate assembly 15 and the second vertical limit plate assembly 16 of the second vertical limit plate portion 13 are disassembled, the large-sized reel 14 is removed, the telescopic rod 7 of the telescopic component 6 of the control reel component is retracted, the distance between the first vertical limit plate portion 11 of the reel positioning the first side edge 7 and the second vertical limit plate portion 13 of the reel positioning the second side edge 9 is reduced, the small-sized reel 14 is mounted on the outer ring of the first horizontal limit rod portion 10 and the second horizontal limit rod portion 12, and the first vertical limit plate assembly 15 and the second vertical limit plate assembly 16 are reinstalled to complete the replacement of the small-sized reel 14. The whole method is simple and quick.

[0037] The protective film material winding device described in the present invention is provided with a device base 1 during structural setting. The device base 1 is fixed in the factory building of the protective film production line. A mounting seat 2 is provided on the device base 1. The mounting seat 2 is fixedly connected to the device machine 1 by bolts. The mounting seat 2 is connected to the winding shaft 3. The winding shaft can rotate relative to the mounting seat. The winding shaft 3 is provided with a mounting portion 4 with a non-circular cross-section. The mounting portion 4 is fitted with a winding seat 5. The mounting portion 4 is structurally arranged so that the winding seat 5 will not rotate at will after being installed to the mounting portion 4. Alternatively, the winding seat 5 can be directly welded to the mounting portion 4 of the winding shaft 3 to ensure that the positions of the two are fixed. To ensure that the reeling seat 5 and the reeling shaft 3 rotate synchronously, a telescopic component 6 is fixedly arranged on the outer ring of the reeling seat 5, and a first side edge 7 for positioning the reeling drum is arranged on one side of the telescopic component 6. The first side edge 7 for positioning the reeling drum is fixed to the telescopic component, and the telescopic rod 8 of the telescopic component 6 is connected to the second side edge 9 for positioning the reeling drum. The second side edge 9 for positioning the reeling drum can move axially when the telescopic rod 8 is extended or retracted, that is, the position of the second side edge 9 for positioning the reeling drum relative to the first side edge 7 for positioning the reeling drum is changed. The first side edge 7 for positioning the reeling drum includes a first horizontal limiting rod portion 10 and a first vertical limiting plate portion 11, and the first horizontal limiting rod portion 10 and the first vertical limiting plate portion 11 are arranged in a vertical state, and the second side edge 9 for positioning the reeling drum includes a second horizontal limiting rod portion 12 and a second vertical limiting plate portion 13, and the second horizontal limiting rod portion 12 and the second vertical limiting plate portion 13 are arranged in a vertical state. The first horizontal limiting rod 10 and the second horizontal limiting rod 12 are both hollow cylindrical structures, and the first horizontal limiting rod 10 and the second horizontal limiting rod 12 can be plug-connected. The first vertical limiting plate 11 and the second vertical limiting plate 13 are arranged in parallel, and when the telescopic component 6 is extended and retracted, the relative positions of the first vertical limiting plate 11 and the second vertical limiting plate 13 are driven to change, and the distance is adjusted to meet the needs of the set of winding drums 14 of different models and widths, so as to meet the needs of the winding of protective films of different models and widths, and the equipment has strong versatility.

[0038] The present invention is described above by way of example in conjunction with the accompanying drawings. It is obvious that the specific implementation of the present invention is not limited to the above-mentioned method. As long as various improvements are made using the method concept and technical solution of the present invention, or the concept and technical solution of the present invention are directly applied to other occasions without improvement, they are all within the protection scope of the present invention.

Claims

1. A protective film material winding device, characterized in that: A mounting seat (2) is arranged on a device base (1), the mounting seat (2) is connected to a reeling shaft (3), the reeling shaft (3) is provided with a mounting portion (4) with a non-circular cross section, the mounting portion (4) is fitted on a reeling seat (5), a plurality of telescopic components (6) are fixedly arranged on the outer ring of the reeling seat (5), a reeling drum is arranged on one side of each telescopic component (6) to position a first side edge (7), a telescopic rod (8) of the telescopic component (6) is connected to the reeling drum to position a second side edge (9), the reeling drum positioning the first side edge (7) comprises a first horizontal limiting rod portion (10) and a first vertical limiting plate portion (11), and the reeling drum positioning the second side edge (9) comprises a second horizontal limiting rod portion (12) and a second vertical limiting plate portion (13).

2. The protective film material winding device according to claim 1 is characterized in that: The first horizontal limiting rod (10) and the second horizontal limiting rod (12) are sheathed with a reel (14) on their outer rings.

3. The protective film material winding device according to claim 3 is characterized in that: The second vertical limit plate portion (13) for positioning the second side edge (9) of the winding drum comprises a first vertical limit plate portion assembly (15) and a second vertical limit plate portion assembly (16); a positioning recess is provided on the outer surface of the first vertical limit plate portion (11) or the second vertical limit plate portion (13); and a protruding positioning protrusion (17) is provided on the side end of the winding drum (14).

4. The protective film material winding device according to claim 3 is characterized in that: A connecting round rod portion (18) is provided at one end of the reeling shaft (3), the connecting round rod portion (18) is movably connected to one side of the mounting seat (5), and a second round rod portion (20) is provided at the other end of the reeling shaft (3).

5. The protective film material winding device according to claim 4, characterized in that: The driving motor (19) is fixedly mounted on the other side of the mounting seat (5), and the connecting round rod portion (18) extends to the other side of the mounting seat (5) to connect with the driving motor (19).

6. The protective film material winding device according to claim 3 is characterized in that: The first vertical limit plate portion (11) of the winding drum positioning the first side (7) is connected to the telescopic component (6) via bolts, and the first vertical limit plate portion assembly (15) and the vertical limit plate portion assembly (16) of the second vertical limit plate portion (12) of the winding drum positioning the second side (9) are respectively connected to the ends of the telescopic rods (8) of the corresponding telescopic components (6) via bolts.

7. The protective film material winding device according to claim 1 or 2, characterized in that: The mounting portion (4) is provided with a plurality of winding components arranged at intervals, each winding component comprises a winding seat (5), a telescopic component (6), a first side edge (7) for positioning the winding drum, and a second side edge (9), and the outer ring of the winding seat (5) of each winding component is fixedly provided with a telescopic component (6).

8. The protective film material winding device according to claim 3 is characterized in that: The mounting portion (4) of the reeling shaft (3) has a square cross-section, the length and width of the mounting portion (4) are both greater than the diameter of the connecting round rod portion (18), and the length and width of the mounting portion (4) are both greater than the diameter of the second round rod portion (20).

9. The protective film material winding device according to claim 8, characterized in that: The mounting portion (4) is provided with a first axial positioning pin (21) and a second axial positioning pin (22).

10. The method for using the protective film material winding device according to any one of claims 3 to 9, characterized in that: The steps of the method of use are: S1: When a large-sized winding drum (14) needs to be installed, the telescopic rod (8) of the telescopic component (6) of the winding component is extended, the distance between the first vertical limit plate portion (11) for positioning the first side edge (7) of the winding drum and the second vertical limit plate portion (13) for positioning the second side edge (9) of the winding drum is increased, the first vertical limit plate portion assembly (15) and the second vertical limit plate portion assembly (16) of the second vertical limit plate portion (13) are disassembled, the large-sized winding drum (14) is mounted on the outer rings of the first horizontal limit rod portion (10) and the second horizontal limit rod portion (12), the first vertical limit plate portion assembly (15) and the second vertical limit plate portion assembly (16) are reinstalled, and the installation of the large-sized winding drum (14) is completed; S2: When it is necessary to replace a small-sized winding drum (14), the first vertical limit plate assembly (15) and the second vertical limit plate assembly (16) of the second vertical limit plate portion (13) are disassembled, the large-sized winding drum (14) is removed, the telescopic rod (7) of the telescopic component (6) of the winding component is controlled to retract, the distance between the first vertical limit plate portion (11) for positioning the first side edge (7) of the winding drum and the second vertical limit plate portion (13) for positioning the second side edge (9) of the winding drum is reduced, the small-sized winding drum (14) is mounted on the outer rings of the first horizontal limit rod portion (10) and the second horizontal limit rod portion (12), the first vertical limit plate assembly (15) and the second vertical limit plate assembly (16) are reinstalled, and the small-sized winding drum (14) is replaced.

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