CN118850836A

CN118850836A - A winding and unwinding device for producing stretch film

Info

Publication number: CN118850836A
Application number: CN202411063227.0A
Authority: CN
Inventors: 季昌飞; 夏晓庆
Original assignee: Wuxi Cheering Packaging Co ltd
Current assignee: Wuxi Cheering Packaging Co ltd
Priority date: 2024-08-05
Filing date: 2024-08-05
Publication date: 2024-10-29

Abstract

The present invention relates to the technical field of winding film production, and specifically to a winding and unwinding equipment for winding film production, comprising a supporting base, a supporting frame fixedly installed on the upper end of the supporting base, a unwinding roller group being arranged on one side of the supporting frame, a vertical plate fixedly installed on the upper end of the supporting frame, and a roll changing mechanism being rotatably connected to the inner side of the vertical plate; the beneficial effects are: the roll changing mechanism is supported as a whole by the supporting frame and the vertical plate, a plurality of groups of winding components are arranged between the rotating plate one and the rotating plate two, ensuring that after one group of winding rollers completes winding, the next group of winding rollers automatically moves to the winding position and continues to wind without stopping the operation; the clamping component is used to realize automatic clamping and unloading of the winding roller, and the unloading mechanism is cooperated to realize automatic acceptance and unloading of the unloaded winding roller, which effectively saves the time required for changing and unloading, reduces the steps of changing the roll, and further improves the winding and unwinding efficiency of the winding film production.

Description

Winding and unwinding equipment for producing winding film

Technical Field

The invention relates to the technical field of wound film production, in particular to winding and unwinding equipment for wound film production.

Background

In the production and processing process of the plastic film, winding and unwinding equipment is required, the winding and unwinding equipment generally has to be stopped when the winding and unwinding equipment changes the winding, namely, the upstream film has to be stopped to travel downstream, only a few winding devices can realize the winding and unwinding without stopping, but the structure of the winding and unwinding equipment is complex, and the winding and unwinding step is complex.

Among the prior art, CN 218664517U's a reel coiling mechanism that trades does not shut down, the on-line screen storage device comprises a base, the top symmetry of base is fixed with two risers, two be connected with the commentaries on classics roller through the bearing rotation between the riser, the one end cover of commentaries on classics roller is established and is fixed with driven sprocket, the top of base is fixed with servo motor, servo motor's output shaft is fixed with driving sprocket, driving sprocket passes through the chain and is connected with driven sprocket transmission. Through setting up two sets of supporting seats, gear motor, L type seat, first cylinder, Z type seat and clamping assembly, can be comparatively convenient and fast's removal and upset of two wind-up rolls to and can be comparatively convenient carry out the dismouting to the wind-up roll, so can realize not stopping to trade a roll rolling operation, overall structure is comparatively simple, trades a roll operation also comparatively convenient and fast.

In the actual use process, in order to solve the problem of complicated reel changing steps in the prior art, two winding rollers are adopted to move and overturn, but when the traditional winding mechanism is used for winding, after one or more winding drums are wound, the winding drums are required to be stopped for replacement, the winding is performed again, the automation degree of the replacement of the winding drums is low, and the winding efficiency of the film is affected by the stopping operation; and the winding roller still needs the manual work to unload the coil after rotating, degree of automation is not high, influences production efficiency.

Therefore, the invention provides winding and unwinding equipment for producing the winding film, which solves the problem that automatic unwinding cannot be completed in the prior art, can realize automatic winding and unwinding of the winding film, and reduces the labor burden of workers.

Disclosure of Invention

The invention aims to provide winding and unwinding equipment for producing a winding film, so as to solve the problems in the background technology.

In order to achieve the above purpose, the present invention provides the following technical solutions: the utility model provides a receive and release equipment for winding film production, includes supporting pedestal, supporting pedestal's upper end fixed mounting has the support frame, one side of support frame is provided with unreels roller group, the upper end fixed mounting of support frame has the riser, the inboard rotation of riser is connected with the mechanism of changing rolls, the mechanism of changing rolls is including rotating electrical machines and rolling subassembly, the outside movable mounting of support frame has discharge mechanism, discharge mechanism is including circular flange, intermittent type drive subassembly and reset assembly.

Preferably, the rotating electrical machines fixed mounting is at the outside surface of riser, fixedly connected with center connecting rod on the output shaft of rotating electrical machines, the both ends surface of center connecting rod rotates with the inner wall of riser respectively and is connected, the both ends surface of center connecting rod is fixedly connected with swivel plate one and swivel plate two respectively.

Preferably, the first rotating plate is provided with two groups, the inner wall of the first rotating plate is respectively provided with an arc-shaped mounting groove, the inner wall of the arc-shaped mounting groove is fixedly provided with an arc-shaped bearing seat, and the inner surface of the arc-shaped bearing seat is provided with a limit groove.

Preferably, the winding assembly comprises a motor I, the motor I is fixedly arranged on the outer surface of the vertical plate, a driving gear I is fixedly connected to an output shaft of the motor I, a driven gear I is meshed and rotated on the outer surface of the upper side of the driving gear I, and a central shaft rod is fixedly connected to the inner surface of the center of the driven gear I.

Preferably, the outer surfaces of the two ends of the central shaft rod are respectively and fixedly connected with two groups of limiting rotating wheels, the two groups of limiting rotating wheels are symmetrically distributed about the longitudinal central axis of the central shaft rod, the inner sides of the two groups of limiting rotating wheels are provided with winding rollers, and the inner surfaces of the winding rollers are movably connected with the inner wall of the central shaft rod.

Preferably, the reservation groove has been seted up on the inboard lateral wall of arc mounting groove, the reservation groove is provided with two sets of and just about the central axis symmetric distribution of arc mounting groove, the reservation groove sets up to "匚" font empty slot structure, the inboard of reservation groove is provided with hugs closely the subassembly.

Preferably, the enclasping component comprises a U-shaped seat, the U-shaped seat is of a 匚 -shaped platy structure, a motor II is fixedly arranged on the outer surface of one side of the U-shaped seat, a shaft lever is fixedly connected to an output shaft of the motor II, and the outer surfaces of the two ends of the shaft lever are respectively connected with the inner wall of the U-shaped seat in a rotating mode.

Preferably, the outer surface of the shaft rod is fixedly connected with a hugging arm plate, the other end of the hugging arm plate is fixedly provided with a connecting column, and the outer surface of the connecting column is rotatably provided with an abutting wheel.

Preferably, the intermittent drive assembly comprises a driving gear II, the driving gear II is composed of a driving motor and a gear, the driving motor is fixedly arranged on one side outer surface of the supporting frame, an output shaft of the driving motor is fixedly connected with the gear, an intermittent toothed ring is meshed and rotated on the outer surface of the gear, the intermittent toothed ring is rotatably arranged on the outer surface of the circular convex plate, a driven gear II is meshed and rotated on one side outer surface of the intermittent toothed ring, a connecting rod is fixedly connected with the inner surface of the center of the driven gear II, the outer surfaces of two ends of the connecting rod are respectively connected with the inner wall of the supporting frame in a rotating mode, a supporting plate is fixedly arranged on the outer surface of the connecting rod, a material receiving groove plate is fixedly connected with the upper end of the supporting plate, and a buffer cushion is arranged on the inner side of the material receiving groove plate.

Preferably, the reset assembly comprises a bottom plate, the bottom plate is fixedly arranged on the upper surface of the supporting base, the upper end of the bottom plate is fixedly connected with a curved reset spring strip, and the other end of the curved reset spring strip is rotationally connected with the outer side surface of the supporting plate.

Compared with the prior art, the invention has the beneficial effects that:

According to the winding and unwinding equipment for producing the winding film, the support frame and the vertical plate are used for integrally supporting the winding and unwinding mechanism, a plurality of groups of winding components are arranged between the first rotating plate and the second rotating plate, so that after one group of winding rollers finishes winding, the next group of winding rollers automatically move to a winding position, winding work is continued, and stop operation is not needed; utilize to hold tightly the subassembly and realize holding tightly the automation of wind-up roll and unloading, the cooperation unloading mechanism realizes carrying and unloading the automation of unloading the wind-up roll, effectively saves the required time of trading the reel and unloading, reduces the step of trading the reel operation, further promotes the receipts of winding film production and unreels efficiency, promotes the productivity of winding film production.

Drawings

FIG. 1 is a schematic perspective view of the present invention;

FIG. 2 is a schematic view of a partial perspective structure of the present invention;

FIG. 3 is an enlarged schematic view of the structure of FIG. 2A according to the present invention;

FIG. 4 is a schematic view showing a disassembled state structure of a group of wind-up rolls according to the present invention;

FIG. 5 is a schematic view of a connection structure of a rotating plate I and a hugging assembly according to the present invention;

FIG. 6 is an enlarged schematic view of the structure of FIG. 5B according to the present invention;

FIG. 7 is a schematic view of a partial connection structure of the support frame and the unloading mechanism of the present invention;

Fig. 8 is a schematic partial structure of the discharging mechanism of the present invention.

In the figure: 1. a support base; 2. a support frame; 21. a riser; 3. an unreeling roller set; 4. a roll changing mechanism; 41. a rotating electric machine; 42. a rotating plate I; 420. a center connecting rod; 421. a second rotating plate; 43. an arc-shaped mounting groove; 431. arc bearing seat; 4311. a limit groove; 44. a first motor; 441. a first driving gear; 442. a driven gear I; 443. a central shaft; 444. a wind-up roll; 445. a limit rotating wheel; 50. a reserved groove; 5. a clasping assembly; 51. a U-shaped seat; 52. a second motor; 521. a shaft lever; 522. holding the arm plate tightly; 523. an abutment wheel; 53. limiting convex columns; 531. a curved spring plate; 6. a discharging mechanism; 61. a circular convex plate; 62. a driving gear II; 621. intermittent toothed rings; 622. a driven gear II; 63. a connecting rod; 631. a supporting plate; 632. a material receiving groove plate; 633. a cushion pad; 64. a bottom plate; 641. curved reset spring strip.

Detailed Description

In order to make the objects, technical solutions, and advantages of the present invention more apparent, the embodiments of the present invention will be further described in detail with reference to the accompanying drawings. It should be understood that the specific embodiments described herein are some, but not all, embodiments of the present invention, are intended to be illustrative only and not limiting of the embodiments of the present invention, and that all other embodiments obtained by persons of ordinary skill in the art without making any inventive effort are within the scope of the present invention.

Example 1

Referring to fig. 1-8, the present invention provides a technical solution: the winding and unwinding equipment for producing the winding film comprises a supporting base 1, wherein a supporting frame 2 is fixedly arranged at the upper end of the supporting base 1, an unwinding roller group 3 is arranged on one side of the supporting frame 2, a vertical plate 21 is fixedly arranged at the upper end of the supporting frame 2, a reel changing mechanism 4 is rotatably connected to the inner side of the vertical plate 21, the reel changing mechanism 4 comprises a rotating motor 41 and a winding assembly, a discharging mechanism 6 is movably arranged at the outer side of the supporting frame 2, and the discharging mechanism 6 comprises a circular convex plate 61, an intermittent driving assembly and a resetting assembly; the whole reel changing mechanism 4 is supported by the support frame 2 and the vertical plate 21, a plurality of groups of reel assemblies are arranged between the first rotary plate 42 and the second rotary plate 421, and after one group of reel rollers 444 finishes reeling, the next group of reel rollers 444 automatically move to a reeling position to continue the reeling work without stopping operation; utilize enclasping subassembly 5 to realize enclasping the automation of wind-up roll 444 and unload, cooperation unloading mechanism 6 realizes the automation to unloading wind-up roll 444 and accepts and the unloading, effectively saves the required time of trading the reel and unloading, reduces the step of trading the reel operation, further promotes winding film production's receipts unreel efficiency, promotes winding film production's productivity.

Example two

On the basis of the first embodiment, in order to realize the non-stop winding operation for the plurality of sets of winding rollers 444: the rotating motor 41 is fixedly arranged on the outer side surface of the vertical plate 21, a central connecting rod 420 is fixedly connected to an output shaft of the rotating motor 41, the outer surfaces of the two ends of the central connecting rod 420 are respectively and rotatably connected with the inner wall of the vertical plate 21, and the outer surfaces of the two ends of the central connecting rod 420 are respectively and fixedly connected with a rotating plate I42 and a rotating plate II 421; the first rotating plate 42 is provided with two groups, the inner walls of the first rotating plate 42 of the two groups are respectively provided with an arc-shaped mounting groove 43, the inner wall of the arc-shaped mounting groove 43 is fixedly provided with an arc-shaped bearing seat 431, and the inner surface of the arc-shaped bearing seat 431 is provided with a limiting groove 4311; the winding assembly comprises a first motor 44, the first motor 44 is fixedly arranged on the outer surface of the vertical plate 21, a first driving gear 441 is fixedly connected to an output shaft of the first motor 44, a first driven gear 442 is meshed and rotated on the outer surface of the upper side of the first driving gear 441, and a central shaft lever 443 is fixedly connected to the inner surface of the center of the first driven gear 442; the outer surfaces of the two ends of the central shaft 443 are fixedly connected with limiting rotating wheels 445 respectively, the limiting rotating wheels 445 are provided with two groups, the two groups of limiting rotating wheels 445 are symmetrically distributed about the longitudinal central axis of the central shaft 443, the inner sides of the two groups of limiting rotating wheels 445 are provided with winding rollers 444, and the inner surfaces of the winding rollers 444 are movably connected with the inner wall of the central shaft 443.

The arc-shaped mounting grooves 43 are formed in the inner walls of the first rotating plate 42 and the second rotating plate 421 respectively, multiple groups of winding rollers 444 are detachably assembled, the first motor 44 drives the driving gear 441 to rotate through controlling the rotation of the first rotating plate 42 and the second rotating plate 421, the positions of the multiple groups of winding rollers 444 are changed, winding and winding work of a winding film are achieved, specifically, as shown in fig. 2-4, when the rotating motor 41 is controlled to work, the output shaft rotates, the center connecting rod 420 rotates and synchronously drives the first rotating plate 42 and the second rotating plate 421 to rotate, the winding rollers 444 assembled between the first rotating plate 42 and the second rotating plate 421 are changed in position, when one group of winding rollers 444 rotate to the meshing position of the driving gear 441, the output shaft rotates to drive the driving gear 441 to rotate, the outer surface of the driving gear 441 is meshed with the outer surface of the driven gear 442 under the adapting action of the meshing teeth, the winding rollers 444 at the corresponding winding positions are rotated, winding work is achieved, the limiting groove 4311 is formed in the inner wall of the arc-shaped bearing seat 431, the limiting rollers 444 rotate smoothly, the winding film is continuously wound, the winding film is produced continuously, and the winding film is not required to be continuously wound, and the winding film is produced continuously.

Example III

On the basis of the second embodiment, in order to realize automatic clasping and automatic removal of the wind-up roller 444 assembled on the first counter plate 42 and the second counter plate 421: the inner side wall of the arc-shaped mounting groove 43 is provided with two groups of reserved grooves 50, the reserved grooves 50 are symmetrically distributed about the central axis of the arc-shaped mounting groove 43, the reserved grooves 50 are of a 匚 -shaped empty groove structure, and the inner side of the reserved grooves 50 is provided with a holding assembly 5; the enclasping assembly 5 comprises a U-shaped seat 51, the U-shaped seat 51 is of a 匚 -shaped platy structure, a motor II 52 is fixedly arranged on the outer surface of one side of the U-shaped seat 51, a shaft lever 521 is fixedly connected to the output shaft of the motor II 52, and the outer surfaces of the two ends of the shaft lever 521 are respectively and rotatably connected with the inner wall of the U-shaped seat 51; the outer surface of the shaft lever 521 is fixedly connected with a hugging arm plate 522, the other end of the hugging arm plate 522 is fixedly provided with a connecting column, and the outer surface of the connecting column is rotatably provided with an abutting wheel 523; the inner side surface of the enclasping arm plate 522 is fixedly provided with a limiting convex column 53, the outer surface of the limiting convex column 53 is rotationally connected with a curved elastic sheet 531, and the other end of the curved elastic sheet 531 is fixedly connected with the inner wall of the arc-shaped mounting groove 43.

The holding assemblies 5 are respectively arranged on the reserved grooves 50, so that the normal rolling operation of the rolling roller 444 is not affected while the auxiliary holding of the two ends of the rolling roller 444 is realized; specifically, as shown in fig. 5 and fig. 6, when the second motor 52 is controlled to drive, the output shaft rotates and drives the shaft lever 521 to rotate, so as to drive the angle of the holding arm plate 522 and the abutting wheel 523 to change, when the abutting wheel 523 collides with the outside of the central shaft lever 443, the central shaft lever 443 can be automatically held tightly, the condition that a plurality of groups of winding rollers 444 fall in the rotating process is avoided, the stability of winding and position changing of the winding rollers 444 is maintained, the shutdown operation is not needed, and the winding and unwinding efficiency of the winding film production is further improved; the limiting boss 53 and the curved spring piece 531 are added on the inner side of the clasping arm plate 522 to improve the stabilizing effect of the abutting wheel 523 when rotating the central shaft 443.

Example IV

On the basis of the third embodiment, in order to realize automatic coil unloading of the winding roller 444, the winding of which is completed: the intermittent driving assembly comprises a driving gear II 62, the driving gear II 62 is composed of a driving motor and a gear, the driving motor is fixedly arranged on the outer surface of one side of the supporting frame 2, an output shaft of the driving motor is fixedly connected with the gear, an intermittent toothed ring 621 is meshed and rotated on the outer surface of the gear, the intermittent toothed ring 621 is rotatably arranged on the outer surface of the circular convex plate 61, a driven gear II 622 is meshed and rotated on the outer surface of one side of the intermittent toothed ring 621, a connecting rod 63 is fixedly connected with the inner surface of the center of the driven gear II 622, the outer surfaces of two ends of the connecting rod 63 are respectively and rotatably connected with the inner wall of the supporting frame 2, a supporting plate 631 is fixedly arranged on the outer surface of the connecting rod 63, a material receiving groove plate 632 is fixedly connected with the upper end of the supporting plate 631, and a buffer cushion 633 is arranged on the inner side of the material receiving groove plate 632.

As shown in fig. 7 and fig. 8, after the first rotating plate 42 and the second rotating plate 421 drive the first winding roller 444 to wind up, the first rotating plate 42 and the second rotating plate 421 drive the winding roller 444 to reach the upper position of the material receiving slot plate 632, at this time, the second driving gear 62 integrally operates, the driving motor drives the gear to rotate, and then the intermittent toothed ring 621 integrally rotates, and the outer ring teeth of the intermittent toothed ring 621 are arranged at intervals, so that intermittent movement of the second driven gear 622 can be realized, the swinging of the supporting plate 631 and the material receiving slot plate 632 is controlled according to the rotating direction of the second driven gear 622, once the inner part of the material receiving slot plate 632 receives the winding roller 444 automatically removed from the upper part, the second driven gear 622 rotates to drive the material receiving slot plate 632 to move outwards, the received winding material is fed out, the whole set of operation does not need to be stopped, the automation degree is high, and the labor burden of frequently disassembling and assembling the winding roller 444 and unloading by workers is relieved.

Example five

On the basis of the fourth embodiment, in order to realize automatic resetting of the receiving tank plate 632: the reset assembly comprises a bottom plate 64, the bottom plate 64 is fixedly arranged on the upper surface of the support base 1, the upper end of the bottom plate 64 is fixedly connected with a curved reset spring strip 641, and the other end of the curved reset spring strip 641 is rotationally connected with the outer side surface of a supporting plate 631.

When the driven gear two 622 rotates and drives the supporting plate 631 and the receiving trough plate 632 to discharge materials outwards, a section of non-meshed distance exists between the part of the outer ring of the intermittent toothed ring 621, where no teeth are arranged, and the driven gear two 622, at this time, the supporting plate 631 and the receiving trough plate 632 reset under the reverse elastic force of the curved reset spring strip 641, so as to ensure that the receiving trough plate 632 is restored to the original position integrally, prepare for receiving materials and coil stripping for the second time, and the curved reset spring strip 641 at this time can also provide a certain buffer supporting effect for the supporting plate 631 and the receiving trough plate 632, so that the impact of the discharged winding roller 444 on the receiving trough plate 632 is avoided, and a buffer cushion 633 is additionally arranged on the inner side of the receiving trough plate 632, so as to ensure buffer protection for the winding roller 444 after winding is completed, avoid damage to the winding film, and further improve the production efficiency of the winding film.

When the film winding machine is actually used, firstly, an operator installs a winding film roll for winding a large roll on the unreeling roller set 3, then, a plurality of groups of winding rollers 444 are assembled on the first rotating plate 42 and the second rotating plate 421, at the moment, one end of the winding film is wound on the winding roller 444 of the uppermost group, then, the first motor 44 is controlled to be started, an output shaft of the motor is rotated to drive the first driving gear 441 to rotate, and under the adaptation action of meshing teeth, the outer surface of the first driving gear 441 is meshed with the outer surface of the first driven gear 442, so that the corresponding winding rollers 444 rotate, and further, the winding operation of the winding roller 444 at the uppermost position is realized; and when the winding of the uppermost group of winding rollers 444 is completed, the winding film is cut off by using an external cutting mechanism, at the moment, the rotating motor 41 continuously operates to drive the former group of winding rollers 444 to reach the uppermost position, the previous winding film winding step is repeated, then, after the driven gear two 622 rotates and drives the supporting plate 631 and the material receiving groove plate 632 to integrally and outwards discharge materials, a section of non-meshed distance exists between the part, which is not provided with teeth, of the outer ring of the intermittent tooth ring 621 and the driven gear two 622, at the moment, the supporting plate 631 and the material receiving groove plate 632 reset under the reverse elastic force of the curved reset elastic strip 641, so that the material receiving groove plate 632 is ensured to integrally recover to be in preparation for the second material receiving and unreeling, and automatic unreeling and unreeling of the winding film during winding and unreeling are realized by repeating Cao Zu.

Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. Winding and unwinding equipment for producing winding films, comprising a supporting base (1), and being characterized in that: the automatic coil replacement machine is characterized in that a support frame (2) is fixedly arranged at the upper end of the support base (1), an unreeling roller set (3) is arranged on one side of the support frame (2), a vertical plate (21) is fixedly arranged at the upper end of the support frame (2), a coil replacement mechanism (4) is connected to the inner side of the vertical plate (21) in a rotating mode, the coil replacement mechanism (4) comprises a rotating motor (41) and a winding assembly, a discharging mechanism (6) is movably arranged at the outer side of the support frame (2), and the discharging mechanism (6) comprises a circular convex plate (61), an intermittent driving assembly and a resetting assembly.

2. A winding and unwinding device for wound film production according to claim 1, characterized in that: the rotary motor (41) is fixedly arranged on the outer side surface of the vertical plate (21), a central connecting rod (420) is fixedly connected to an output shaft of the rotary motor (41), the outer surfaces of the two ends of the central connecting rod (420) are respectively and rotatably connected with the inner wall of the vertical plate (21), and the outer surfaces of the two ends of the central connecting rod (420) are respectively and fixedly connected with a first rotating plate (42) and a second rotating plate (421).

3. A winding and unwinding device for wound film production according to claim 2, characterized in that: the rotary plate I (42) is provided with two groups, two groups of arc-shaped mounting grooves (43) are respectively formed in the inner wall of the rotary plate I (42), arc-shaped bearing seats (431) are fixedly mounted on the inner wall of the arc-shaped mounting grooves (43), and limit grooves (4311) are formed in the inner surfaces of the arc-shaped bearing seats (431).

4. A winding and unwinding device for wound film production according to claim 1, characterized in that: the winding assembly comprises a motor I (44), the motor I (44) is fixedly arranged on the outer surface of the vertical plate (21), a driving gear I (441) is fixedly connected to an output shaft of the motor I (44), a driven gear I (442) is meshed and rotated on the outer surface of the upper side of the driving gear I (441), and a central shaft lever (443) is fixedly connected to the inner surface of the center of the driven gear I (442).

5. A winding and unwinding device for wound film production according to claim 4, characterized in that: the two ends of the central shaft lever (443) are fixedly connected with limiting rotating wheels (445) respectively, the limiting rotating wheels (445) are provided with two groups, the two groups of limiting rotating wheels (445) are symmetrically distributed about the longitudinal central axis of the central shaft lever (443), the inner sides of the two groups of limiting rotating wheels (445) are provided with winding rollers (444), and the inner surfaces of the winding rollers (444) are movably connected with the inner wall of the central shaft lever (443).

6. A winding and unwinding device for wound film production according to claim 3, characterized in that: the novel arc-shaped mounting groove is characterized in that a reserved groove (50) is formed in the inner side wall of the arc-shaped mounting groove (43), the reserved groove (50) is provided with two groups of grooves and symmetrically distributed relative to the central axis of the arc-shaped mounting groove (43), the reserved groove (50) is arranged into a 匚 -shaped empty groove structure, and a holding assembly (5) is arranged on the inner side of the reserved groove (50).

7. A winding and unwinding device for wound film production according to claim 6, characterized in that: the enclasping assembly (5) comprises a U-shaped seat (51), the U-shaped seat (51) is of a 匚 -shaped platy structure, a motor II (52) is fixedly arranged on the outer surface of one side of the U-shaped seat (51), a shaft lever (521) is fixedly connected to the output shaft of the motor II (52), and the outer surfaces of the two ends of the shaft lever (521) are respectively connected with the inner wall of the U-shaped seat (51) in a rotating mode.

8. A winding and unwinding device for wound film production according to claim 7, characterized in that: the outer surface of the shaft lever (521) is fixedly connected with a hugging arm plate (522), the other end of the hugging arm plate (522) is fixedly provided with a connecting column, and the outer surface of the connecting column is rotatably provided with an abutting wheel (523).

9. A winding and unwinding device for wound film production according to claim 1, characterized in that: the intermittent drive assembly comprises a driving gear II (62), the driving gear II (62) is composed of a driving motor and a gear, the driving motor is fixedly arranged on one side outer surface of the supporting frame (2), an output shaft of the driving motor is fixedly connected with the gear, an intermittent toothed ring (621) is meshed and rotated on the outer surface of the gear, the intermittent toothed ring (621) is rotatably arranged on the outer surface of the circular convex plate (61), a driven gear II (622) is meshed and rotated on one side outer surface of the intermittent toothed ring (621), a connecting rod (63) is fixedly connected with the inner surface of the center of the driven gear II (622), the outer surfaces of two ends of the connecting rod (63) are respectively connected with the inner wall of the supporting frame (2) in a rotating mode, a supporting plate (631) is fixedly arranged on the outer surface of the connecting rod (63), a material receiving groove plate (632) is fixedly connected with the upper end of the supporting plate (631), and a buffer pad (633) is arranged on the inner side of the material receiving groove plate (632).

10. A winding and unwinding device for wound film production according to claim 1, characterized in that: the reset assembly comprises a bottom plate (64), the bottom plate (64) is fixedly arranged on the upper surface of the supporting base (1), the upper end of the bottom plate (64) is fixedly connected with a curved reset spring strip (641), and the other end of the curved reset spring strip (641) is rotatably connected with the outer side surface of the supporting plate (631).