CN216805951U - Buckling structure and packaging line - Google Patents

Abstract

The utility model relates to the field of film packaging, and discloses a buckling structure which comprises a rack, a clamping device and a tape winding device, wherein a film winding clamping position is formed on the clamping device, the tape winding device comprises a tape winding sliding table, a tape winding roller, a pressure belt wheel and a tape breaking cutter, wherein the tape winding sliding table is driven to move back and forth towards the film winding clamping position, the tape winding roller is rotatably arranged on the tape winding sliding table, the pressure belt wheel is rotatably arranged on the tape winding sliding table, the tape breaking cutter is arranged on the tape winding sliding table, and the tape breaking cutter is driven to move back and forth towards the film winding clamping position. The membrane is rolled up and is embraced the clamp device, protects the tape head of sticky tape and bonds at the membrane and roll up, and the membrane is rolled up and is embraced the clamp device and rotated, and the protection sticky tape is constantly wrapped up at the membrane and is rolled up, and automatic realization is wrapped up the sticky tape, realizes that the automation is consolidated treatment to the edge of membrane book.

Description

Buckling structure and packaging line

Technical Field

The utility model relates to the field of film packaging, in particular to a buckling structure.

Background

The automation of the film roll packaging is involved in the process of automatic modification of film roll production. At present, the automation degree of film roll packaging is not high, and the automation transformation part mostly lies in basic general stations such as carrying and positioning. For some thicker or heavier film rolls, in addition to enveloping the roll at the peripheral surface, reinforcement at both ends of the roll is required to protect the corners of the roll. There is currently a lack of automated facilities that can implement the relevant consolidation processes.

SUMMERY OF THE UTILITY MODEL

The present invention is directed to solving at least one of the problems of the prior art.

The utility model provides a buckling structure, comprising:

a frame;

embrace and press from both sides device, it includes:

the first clamping mechanism comprises a first clamping sliding table arranged on the rack in a sliding mode along the front-back direction and a first clamping plate rotatably arranged on the first clamping sliding table;

the second clamping mechanism comprises a second clamping sliding table arranged on the rack in a sliding mode along the front-back direction and a second clamping plate rotatably arranged on the second clamping sliding table, the first clamping plate and the second clamping plate are arranged at intervals in the front-back direction, and a film roll clamping position is formed between the first clamping plate and the second clamping plate;

a tape winding device, comprising:

the tape winding sliding table is arranged on the first holding and clamping sliding table and is driven to move back and forth towards the film winding and clamping position;

the belt winding roller is rotatably arranged on the belt winding sliding table;

the pinch roller is rotatably arranged on the tape winding sliding table;

and the tape breaking knife is arranged on the tape winding sliding table and is driven to move back and forth towards the film winding and clamping position.

The utility model has the beneficial effects that: the film roll is transferred to the roll supporting block through the mechanical claw, and the first clamping plate and the second clamping plate transversely move to clamp the film roll; the protection sticky tape is placed in advance on the winding roller and with drawing forth of protection sticky tape and take one side that the directional membrane of pinch roller was rolled up, is rolled up the removal to the membrane around taking the slip table driven, and the tape head of protection sticky tape is glutinous on the membrane is rolled up, and first splint and the synchronous rotation of second are embraced to the splint of embracing later, and protection sticky tape just constantly wraps up on the membrane is rolled up like this to realize automatic wrapping the sticky tape, realize that it is automatic to carry out reinforcement processing to the edge of membrane book.

As some sub-schemes of above-mentioned technical scheme, the tape winding device still includes a roll over the band mechanism, roll over the band mechanism including establishing roll over the band driver and receive on the band slip table roll over the band board of band driver driven and rotationally establish the book band pulley on rolling over the band board, roll over the band pulley and be located the band winding roller dorsad the one side of splint is embraced to the second, roll over the band pulley and be used for pressing the part that the sticky tape bulges the membrane roll to the inboard of membrane roll.

As a sub-scheme of the above technical scheme, the tape winding device further comprises a tape winding guide pressing roller, the tape winding guide pressing roller is arranged on the tape winding sliding table, and the tape winding guide pressing roller is located between the tape breaking knife and the tape winding roller.

As some sub-schemes of above-mentioned technical scheme, it establishes still to include around the area around taking the position drive assembly, rotation connection of moving back on the slip table around taking the area to move back a position swing piece on the slip table, move back a position swing piece around the area and receive it drives orientation to move back a position drive assembly first embrace the center swing back and forth of splint, all establish around taking direction compression roller, around taking roller, pinch roller and disconnected band knife around taking to move back a position swing piece.

As a sub-solution to the above solution, the fastening structure further comprises a flap means for folding the portion of the protective side panel protruding out of the film roll towards the peripheral wall of the film roll.

As some sub-schemes of above-mentioned technical scheme, the folded plate device includes folded plate push pedal and baffle actuating mechanism, first embrace and be equipped with a plurality of folded plate guide slots on the splint, the folded plate guide slot is along radially extending, the quantity of folded plate push pedal is a plurality of, the folded plate push pedal is followed the folded plate guide slot slides, baffle actuating mechanism includes folded plate rotary actuator, folded plate transmission swivel mount and a plurality of folded plate connecting rod, folded plate rotary actuator establishes in the frame, folded plate rotary actuator with folded plate transmission swivel mount drive is connected, the both sides of folded plate connecting rod respectively with folded plate transmission swivel mount and the folded plate push pedal is articulated.

As a sub-solution to the above technical solution, the tape winding device further includes a pinch roller for folding, and the pinch roller for folding is located between the pinch roller and the tape winding roller.

As a sub-scheme of the above technical solution, the tape winding device further includes a folded plate guide plate, the folded plate guide plate is disposed on a side of the folded plate pressing wheel opposite to the pressing wheel, a folded plate guide surface is disposed on the folded plate guide plate, the folded plate guide surface is adjacent to a guide end of the folded plate pressing wheel and a guide starting end far away from the folded plate pressing wheel, the guide end of the folded plate guide surface is located between the folded plate pressing wheel and a rotating shaft of the first clasping plate, and the folded plate guide surface is inclined to a central shaft of the first clasping plate in a process of extending from the guide starting end to the guide end.

As a sub-scheme of the above technical solution, the roll supporting device further includes roll supporting lifting drivers provided on the rack, the number of the roll supporting lifting drivers is plural, the number of the roll supporting blocks is plural, the roll supporting lifting drivers are in driving connection with the roll supporting blocks, and the roll supporting blocks are arranged side by side.

The utility model also provides a packaging line which comprises the buckling structure in any technical scheme.

Because the packaging line comprises the buckling structure of any one of the technical schemes, the packaging line also has the beneficial effect of any one of the buckling structures.

Additional aspects and advantages of the utility model will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the utility model.

Drawings

The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:

FIG. 1 is a first structural view of an embodiment of a fastening structure;

FIG. 2 is a second structural view of an embodiment of a fastening structure;

FIG. 3 is a schematic view of the tape winding apparatus in a tape winding state;

FIG. 4 is a schematic view showing the structure of the tape winding device in a state where the protective tape is cut off;

FIG. 5 is an enlarged view of a portion of FIG. 2 at KA;

fig. 6 is a schematic structural view of one embodiment of a protective side plate.

In the drawings: 1-a frame; 11-protective tape; 12-protecting the side plate;

100-a roll holding device; 110-a coil supporting block; 120-a coil-supporting lifting driver;

210-a first clasping mechanism; 211-a first clamp slip table; 212-a first clamp plate; 2121-folded plate guide groove; 220-a second clamping mechanism; 221-a second clamp sliding table; 222-a second holding plate;

300-a tape winding device; 310-tape winding sliding table; 320-a tape winding roller; 330-pinch rollers; 340-band breaking knife; 350-a tape folding mechanism; 351-a tape folding drive; 352-a folding plate; 353-folding wheel; 360-winding belt guide compression roller; 370-tape-wrap-back wobble block; 380-folded plate pinch roller; 390-a flap guide; 391-flap guide surfaces;

400-flap means; 410-a folded plate push plate; 420-flap drive swivel mount; 430-flap linkage.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the accompanying drawings are illustrative only for the purpose of explaining the present invention, and are not to be construed as limiting the present invention.

In the description of the present invention, it should be understood that the orientation or positional relationship referred to in the description of the orientation, such as the upper, lower, front, rear, left, right, etc., is based on the orientation or positional relationship shown in the drawings, and is only for convenience of description and simplification of description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.

In the description of the present invention, a plurality of the terms are not limited to a certain number, and a plurality of the terms are two or more, and the terms larger, smaller, larger, and the like are understood to include the number of the terms, and the terms larger, smaller, and the like are understood to include the number of the terms. If the first and second are described for the purpose of distinguishing technical features, they are not to be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated or implicitly indicating the precedence of the technical features indicated. Appearing throughout and/or representing three side-by-side scenarios, e.g., A and/or B represents a scenario satisfied by A, a scenario satisfied by B, or a scenario satisfied by both A and B.

In the description of the present invention, there is a phrase containing a plurality of parallel features, wherein the phrase defines the closest feature, for example: b, C disposed on A, E connected to D, B disposed on A, E connected to D, C is not limited; however, terms indicating relationships between features such as "spaced apart", "arranged in a ring", etc. do not fall within this category. The phrase preceded by the word "mean" indicates that it is a definition of all features in the phrase, and if it is B, C, D, it indicates that both B, C and D are located on a. The statement with the omitted subject is the subject of the previous statement, namely, the statement A is provided with B and C, which means that the statement A is provided with B and A comprises C.

In the description of the present invention, unless otherwise explicitly limited, terms such as arrangement, installation, connection and the like should be understood in a broad sense, and those skilled in the art can reasonably determine the specific meanings of the above terms in the present invention in combination with the specific contents of the technical solutions.

An embodiment of the present invention will be described below with reference to fig. 1 to 6.

This embodiment relates to a buckling structure, includes: the device comprises a frame 1, a clamping device and a belt winding device 300;

the clamping device comprises a first clamping mechanism 210 and a second clamping mechanism 220, wherein the first clamping mechanism 210 comprises a first clamping sliding table 211 arranged on the rack 1 in a sliding manner along the front-back direction and a first clamping plate 212 rotatably arranged on the first clamping sliding table 211;

the second clamping mechanism 220 comprises a second clamping sliding table 221 arranged on the frame 1 in a sliding manner along the front-back direction and a second clamping plate 222 rotatably arranged on the second clamping sliding table 221, the first clamping plate 212 and the second clamping plate 222 are arranged at intervals in the front-back direction, and a film roll clamping position is formed between the first clamping plate 212 and the second clamping plate 222;

the tape winding device 300 comprises a tape winding sliding table 310 arranged on the first clamping sliding table 211, a tape winding roller 320 arranged on the tape winding sliding table 310, a tape pressing roller 330 arranged on the tape winding sliding table 310, a tape breaking knife 340 arranged on the tape winding sliding table 310, wherein the tape winding sliding table 310 is driven to move towards the film winding clamping position, and the tape breaking knife 340 is driven to move towards the film winding clamping position.

The first clamping plate 212 and the second clamping plate 222 move transversely to clamp the film roll; the protection sticky tape 11 is placed in advance on around taking roller 320 and will protect leading out of sticky tape 11 and take on one side that pinch roller 330 points to the membrane book, move to the membrane book by the drive around taking slip table 310, the tape head of protection sticky tape 11 bonds on the membrane book, later first embrace splint 212 and second embrace splint 222 synchronous rotation and drive the membrane book and rotate, make the face of glue of protection sticky tape 11 constantly wrap up on the membrane book, the automatic realization wraps the sticky tape, the automatic realization is consolidated the edge of membrane book.

With further reference to fig. 3 to 4, the tape winding device 300 further includes a tape folding mechanism 350, the tape folding mechanism 350 includes a tape folding driver 351 provided on the tape winding sliding table 310, a tape folding plate 352 driven by the tape folding driver 351, and a tape folding wheel 353 rotatably provided on the tape folding plate 352, the tape folding wheel 353 is located on a side of the tape winding roller 320 facing away from the second clamping plate 222, and the tape folding wheel 353 is used for pressing a portion of the adhesive tape protruding out of the film roll to an inner side of the film roll. The folding wheel 353 is located on the side of the winding roller 320 opposite to the second holding plate 222, and is spatially opposite to the part of the protective tape 11 protruding out of the film roll. The tape folding wheel 353 of the tape folding mechanism 350 is matched with the tape winding roller 320 for use, the position of the tape winding roller 320 is adjusted to be a part of the adhesive tape to be attached to the film roll when the tape is wound, the other part of the adhesive tape protrudes out of the film roll, the folding driver drives the tape folding wheel 353 to extend out to press the protruding part on the side face of the film roll to form the L-shaped protective adhesive tape 11, the corners of the film roll can be well protected and protected, and the protective performance of the protective adhesive tape 11 on the film roll is further improved.

The tape winding device 300 further comprises a tape winding guide pressing roller 360, the tape winding guide pressing roller 360 is arranged on the tape winding sliding table 310, and the tape winding guide pressing roller 360 is located between the tape breaking knife 340 and the tape winding roller 320. When the protective tape 11 is cut by the tape cutter 340, a portion of the protective tape 11 where the tape head contacts the pinch roller 330 is cut off, and if it is necessary to reposition the tape head of the protective tape 11 to a side of the pinch roller 330 facing the film wrapping nip, it is a common practice to provide a power at the tape winding guide pressure roller 360 to extend the tape head of the protective tape 11 to the pinch roller 330. Although the mode of setting up power can also be realized, because the tape head of protection sticky tape 11 is softer, the condition of off normal appears easily in the in-process that protection sticky tape 11 is driven to extend to pinch roller 330, needs manual intervention to adjust, and operating stability is relatively poor. In addition, the power setting mode also has the problems of higher cost and higher system complexity.

The configuration of the tape winding guide pressing roller 360 in this embodiment improves the problem of poor stability of continuous operation after the tape head of the protective tape 11 is cut off. The tape winding guide pressing roller 360 in this embodiment is located between the tape winding roller 320 and the tape breaking cutter 340, and when the tape head of the protective tape 11 extends to the tape pressing roller 330, the tape head needs to sequentially straddle the tape winding guide pressing roller 360, the tape breaking cutter 340 and the tape pressing roller 330, and after the tape breaking cutter 340 cuts the protective tape 11, one end of the tape head of the protective tape 11 still straddles the tape winding guide pressing roller 360. When the protective adhesive tape 11 needs to be attached to the next film roll, the tape winding guide pressing roller 360 is in contact with the film roll, so that the tape head of the protective adhesive tape 11 can be pressed onto the film roll, the tape head of the protective adhesive tape 11 is guaranteed to be reliably adhered to the film roll, and the protective adhesive tape 11 can be continuously wound on the film roll by rotating the film roll towards the tape winding roller 320. The tape winding guide pressing roller 360 plays a role in pressing the protective tape 11 on the film roll, and also plays a role in guiding, after the tape cutter 340 cuts off the tape head of the protective tape 11, the tape head can be ensured to be positioned correctly, continuous automatic stabilization is skillfully realized, the tape head of the protective tape 11 is attached to the film roll, no additional power is required to be configured, and the structure is simple and reliable.

Further, it is established around the area still to include around the area around taking device 300 to establish back a position drive assembly, rotation on taking slip table 310 are connected around taking on slip table 310 back a position swing piece 370, back a position swing piece 370 receives around the area back a position drive assembly drive orientation first embrace the center swing back and forth of splint 212, all establish around taking direction compression roller 360, around taking roller 320, pinch roller 330 and disconnected band knife 340 around taking on back a position swing piece 370. The winding and unwinding swing block 370 is configured, and the winding roller 320, the pinch roller 330 and the tape breaking knife 340 can be quickly separated from the surface of the film roll by the unwinding drive assembly driving the winding and unwinding swing block 370 to swing, so that the film roll is prevented from being cut by the tape breaking knife 340 when the protective tape 11 is cut. Further, when the winding guide pressure roller 360, the winding roller 320, the pinch roller 330 and the band break cutter 340 are swung, the winding guide pressure roller and the pinch roller 330 are engaged, and when the winding roller 320 is swung in a direction away from the film roll, the winding roller 320, the winding guide pressure roller 360 and the pinch roller 330 are disabled to form a certain tension to the protective tape 11 so that the band break cutter 340 can reliably cut the protective tape roll, and further, in a swing form, the winding guide pressure roller 360 and the pinch roller 330 can better fit the film rolls of different diameters.

This embodiment provides two forms of stiffening of the roll of film, the first form being: the edge of the film material is directly wound by the adhesive tape, and the part of the adhesive tape beyond the edge of the film roll is bent inwards.

The first reinforcing mode is realized by the tape winding device 300 in the embodiment, and the specific working process is that firstly, the protective tape 11 is wound and fixed on the tape winding roller 320, and the tape head of the protective tape 11 is guided to the pinch roller 330 after passing through the tape winding guide pressing roller 360; then, the film roll is fixed on the film roll holding and clamping position by moving the first holding and clamping sliding table 211 and the second holding and clamping sliding table 221; then the pinch roller 330 presses the side of the protective tape 11 with the adhesive to the peripheral wall of the film roll by the film roll, then the first holding plate 212 rotates to drive the film roll to rotate so that the protective tape 11 is wound on the film roll, and after winding, the protruding part of the protective tape 11 is bent to the end surface of the film roll through the tape folding mechanism 350, so that an L-shaped protective angle is formed at the corner of the film roll.

The second form is: two protective side plates 12 are placed on two end faces of the film roll, the protective side plates 12 protrude out of the film roll along the circumferential direction, the outer edges of the two protective side plates 12 are bent inwards to wrap the film roll to form a turning section, then the adhesive tape is wound on the turning section of the protective side plates 12, and the turning sections of the protective side plates 12 are wound on the roll film, so that the protective side plates 12 on two sides and the film roll are integrally fixed, and the reinforcement and the packaging of the film roll are completed.

When the reinforced structure of the second form is realized, the two sides of the film roll are respectively provided with the film roll protective side plates 12, the film roll protective side plates, the film roll clamping positions and the folding plate devices 400 are integrally clamped, the protruding parts of the protective side plates 12 are bent to form folding sections, then the folding sections are wrapped by the winding device 300, and the reinforced film roll can be obtained.

With further reference to fig. 5, the fastening arrangement further comprises flap means 400 for folding the portion of the protective side panel 12 protruding out of the film roll back towards the peripheral wall of the film roll. By configuring the flap assembly 400, the folding of the cardboard can be automated and the film roll can be easily reinforced in the second form in cooperation with the tape winding assembly 300.

Further, the flap device 400 includes a flap push pedal 410 and a guide plate driving mechanism, first embrace and be equipped with a plurality of folded plate guide slots 2121 on the splint 212, the folded plate guide slot 2121 is along radially extending, the quantity of folded plate push pedal 410 is a plurality of, folded plate push pedal 410 follows the slide of folded plate guide slot 2121, guide plate driving mechanism includes folded plate rotary actuator, folded plate transmission swivel mount 420 and a plurality of folded plate connecting rod 430, folded plate rotary actuator establishes in frame 1, folded plate rotary actuator with folded plate transmission swivel mount 420 drive is connected, the both sides of folded plate connecting rod 430 respectively with folded plate transmission swivel mount 420 and folded plate push pedal 410 is articulated. The folded plate rotary driver drives the folded plate connecting rod 430 to swing through the folded plate transmission device when rotating, and drags each guide plate push plate to slide along the guide plate sliding groove through the folded plate connecting rod 430, thereby driving each folded plate push rod to rotate, the structure can drive a plurality of folded plate connecting rods 430 to rotate at one time, thereby driving a plurality of folded plate connecting rods 430 to slide along the guide plate sliding groove to the center of the first clamping plate 212, and the folded plate rotary driver can fold and realize the bending of the edge at one time, and has the advantages of simple structure and flexible arrangement. It can be understood that, in order to ensure that the protruding portion of the protection side plate 12 can be smoothly bent inward, a plurality of notches are provided on the protruding portion of the protection side plate 12 to ensure that the portions do not interfere with each other when bent inward, as shown in fig. 6.

Further, the tape winding device 300 further comprises a folding pressing wheel 380, and the folding pressing wheel 380 is located between the pinch roller 330 and the tape winding roller 320. Through the arrangement of the folded plate pressing wheels 380, after the protruding parts of the protective side plates 12 are bent by the folded plate push plates 410 to form the folded sections, the folded plate pressing wheels 380 are used for carrying out repressing before the folded sections are wrapped by the pressing wheels 330, so that the pressing wheels 330 can be used for wrapping and fixing the folded sections together when wrapping the protective adhesive tapes 11.

Further, the tape winding device 300 further includes a flap guide 390, the flap guide 390 is disposed on a side of the flap pressing wheel 380 opposite to the pinch roller 330, a flap guide surface 391 is disposed on the flap guide 390, the flap guide surface 391 is adjacent to a guide end of the flap pressing wheel 380 and a guide start end far away from the flap pressing wheel 380, a guide end of the flap guide surface 391 is located between the flap pressing wheel 380 and the rotation axis of the first clamping plate 212, and the flap guide surface 391 is inclined to the central axis of the first clamping plate 212 in a process of extending from the guide start end to the guide end. In order to prevent the folded section from being reversely pressed when contacting the folded plate pressing wheel 380, i.e. pressing to the side opposite to the first clasping plate 212 and the film roll, the folded plate guide plate 390 is further configured in this embodiment, so as to protect the folded section of the side plate 12 from contacting the folded plate guide surface 391 of the folded plate pressing wheel 380 in the process of rotating along with the film roll, and ensure that the folded section presses to the side where the film roll is located under the guiding action of the guide surface, so as to ensure that the folded plate pressing wheel 380 can normally re-press the folded section, and ensure that the folded section can be normally wrapped subsequently. Specifically, in the embodiment including the tape-unwinding swing block 370, the flap pressing roller 380 is rotatably provided on the tape-unwinding swing block 370, and the flap guide is provided on the tape-unwinding swing block 370 to swing synchronously with the pressing roller 330.

Further, the roll supporting device 100 is further included, and the roll supporting device 100 includes a roll supporting block 110 arranged on the rack 1; the roll supporting device 100 further comprises roll supporting lifting drivers 120 arranged on the rack 1, the number of the roll supporting lifting drivers 120 is multiple, the number of the roll supporting blocks 110 is multiple, the roll supporting lifting drivers 120 are in driving connection with the roll supporting blocks 110, and the roll supporting blocks 110 are arranged side by side. By configuring a plurality of roll supporting lifting drivers 120 and a plurality of roll supporting blocks 110 and arranging the roll supporting blocks 110 side by side, roll supporting positions are formed on the top surfaces of the roll supporting blocks 110, different numbers of roll supporting blocks 110 can be lifted according to needs, the size of a roll capable of being supported can be conveniently adjusted, and a film roll with a corresponding size can be obtained.

The present disclosure also provides embodiments of a packaging line including a snap-fit structure of any of the above embodiments.

Since the packaging line comprises the buckling structure of any one of the above embodiments, the packaging line also has the beneficial effects of any one of the buckling structures.

In this embodiment, the first clasping mechanism 210 and the second clasping mechanism 220 are symmetrically arranged along the front-back direction, and the second clasping sliding table 221 of the second clasping mechanism 220 is also correspondingly provided with the tape winding device 300 and the flap folding device 400, so as to package the film roll on both sides.

While the preferred embodiments of the present invention have been described in detail, the present invention is not limited to the embodiments, and those skilled in the art can make various equivalent modifications or substitutions without departing from the spirit of the present invention, and such equivalent modifications or substitutions are intended to be included within the scope of the present invention as defined in the appended claims.

Claims (10)

1. A kind of buckling structure, its characterized in that: the method comprises the following steps: the device comprises a frame (1), a clamping device and a belt winding device (300);

embrace and press from both sides device includes:

the first clamping mechanism (210) comprises a first clamping sliding table (211) which is arranged on the rack (1) in a sliding mode along the front-back direction and a first clamping plate (212) which is arranged on the first clamping sliding table (211) in a rotating mode;

the second clamping mechanism (220) comprises a second clamping sliding table (221) which is arranged on the rack (1) in a sliding mode along the front-back direction and a second clamping plate (222) which is arranged on the second clamping sliding table (221) in a rotating mode, the first clamping plate (212) and the second clamping plate (222) are arranged at the front-back interval, and a film roll clamping position is formed between the first clamping plate (212) and the second clamping plate (222);

the tape winding device (300) includes:

the tape winding sliding table (310) is arranged on the first holding clamp sliding table (211), and the tape winding sliding table (310) is driven to move back and forth towards the film holding clamp position;

a belt winding roller (320) rotatably arranged on the belt winding sliding table (310);

a pinch roller (330) which is rotatably arranged on the belt winding sliding table (310);

the tape breaking knife (340) is arranged on the tape winding sliding table (310), and the tape breaking knife (340) is driven to move back and forth towards the film winding clamping position.

2. The snap-fit construction of claim 1, wherein: the belt winding device (300) further comprises a belt folding mechanism (350), the belt folding mechanism (350) comprises a belt folding driver (351) arranged on the belt winding sliding table (310), a belt folding plate (352) driven by the belt folding driver (351), and a belt folding wheel (353) rotatably arranged on the belt folding plate (352), the belt folding wheel (353) is located on one side, back to the second clamping plate (222), of the belt winding roller (320), and the belt folding wheel (353) is used for pressing the part, protruding out of the adhesive tape, of the film roll to the inner side of the film roll.

3. A snap-fit construction according to claim 2, wherein: around belting (300) still include around taking direction compression roller (360), establish around taking direction compression roller (360) around taking on slip table (310), be located around taking direction compression roller (360) disconnected band sword (340) with between taking roller (320).

4. A snap-fit construction according to claim 3, wherein: around taking device (300) still include to establish around the area back a position drive assembly, rotation connection on taking slip table (310) around taking back a position swing piece (370), back a position swing piece (370) and accept around the area back a position drive assembly drive orientation the first center swing back and forth of embracing splint (212), all establish around taking direction compression roller (360), around taking roller (320), pinch roller (330) and disconnected band sword (340) around taking back a position swing piece (370).

5. A fastening construction according to any one of claims 1-4 wherein: the fastening structure further comprises a flap device (400), and the flap device (400) is used for folding the part of the protective side plate (12) protruding out of the film roll towards the peripheral wall of the film roll.

6. The snap-fit construction of claim 5, wherein: the folded plate device (400) comprises a folded plate push plate (410) and a guide plate driving mechanism, a plurality of folded plate guide grooves (2121) are formed in the first clamping plate (212), the folded plate guide grooves (2121) extend along the radial direction, the number of the folded plate push plate (410) is a plurality of, the folded plate push plate (410) is along the folded plate guide grooves (2121) slide, the guide plate driving mechanism comprises a folded plate rotary driver, a folded plate transmission rotary seat (420) and a plurality of folded plate connecting rods (430), the folded plate rotary driver is arranged on the rack (1), the folded plate rotary driver is in driving connection with the folded plate transmission rotary seat (420), and two sides of the folded plate connecting rods (430) are respectively hinged to the folded plate transmission rotary seat (420) and the folded plate push plate (410).

7. The snap-fit construction of claim 5, wherein: the tape winding device (300) further comprises a folding press wheel (380), and the folding press wheel (380) is positioned between the pinch roller (330) and the tape winding roller (320).

8. The snap-fit construction of claim 7, wherein: the tape winding device (300) further comprises a folded plate guide plate (390), the folded plate guide plate (390) is arranged on one side, opposite to the pinch roller (330), of the folded plate pinch roller (380), a folded plate guide surface (391) is arranged on the folded plate guide plate (390), the folded plate guide surface (391) is adjacent to a guide tail end of the folded plate pinch roller (380) and a guide starting end far away from the folded plate pinch roller (380), the guide tail end of the folded plate guide surface (391) is located between the folded plate pinch roller (380) and a rotating shaft of the first clamping plate (212), and the folded plate guide surface (391) is inclined to a central shaft of the first clamping plate (212) in the process of extending from the guide starting end to the guide tail end.

9. The snap-fit construction of claim 1, wherein: the roll supporting device (100) comprises a roll supporting block (110) arranged on the rack (1); the coil supporting device (100) further comprises coil supporting lifting drivers (120) arranged on the rack (1), the number of the coil supporting lifting drivers (120) is multiple, the number of the coil supporting blocks (110) is multiple, the coil supporting lifting drivers (120) are in driving connection with the coil supporting blocks (110), and the coil supporting blocks (110) are arranged side by side.

10. The baling line, its characterized in that: comprising a snap-fit construction according to any one of claims 1-9.

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