CN217945707U - Film sleeving machine - Google Patents

Abstract

The utility model belongs to the technical field of packaging machinery equipment, a film covering machine is related to, which comprises a base, a multi-station rotating assembly capable of rotating and adjusting is arranged on the base, a vertical frame is fixedly arranged on the multi-station rotating assembly, a lifting assembly is arranged on the vertical frame, a film stretching assembly is connected with the lifting assembly and driven by the lifting assembly to move up and down, a sucking disc heat seal assembly is arranged on the upper part of the vertical frame, the film stretching assembly and the sucking disc heat seal assembly are arranged on the same side of the vertical frame, and a film unreeling assembly is arranged on the other side of the vertical frame; and the film roll released by the film unwinding assembly is guided out to the sucking disc heat sealing assembly after being reversed by a guide roller at the top of the vertical frame, so that film sleeving operation is performed through the film stretching assembly. The film covering machine can carry out film covering operation on two stations at the same time, and the film covering operation efficiency is higher; the cover membrane machine can be applicable to the buttress material of multiple specification model when the operation.

Description

Film sleeving machine

Technical Field

The utility model belongs to the technical field of packaging machinery equipment, a covering membrane machine is related to.

Background

The film sleeving machine is mainly used for sleeving, sealing and cutting and packaging large articles such as food, beverage, local special products and ceramics, so that the articles can achieve a perfect packaging effect. However, when the existing film sleeving machine on the market carries out film sleeving, the existing film sleeving machine on the market aims at the articles such as beverages, foods and the like, is not suitable for the use requirement of large stack packaging, greatly influences the packaging speed and is inconvenient to use.

In addition, the existing film sleeving machine has a single station, only can realize film sleeving on one side, and is low in film sleeving operation efficiency. Meanwhile, the existing film covering machine can only realize film covering of stack materials of specific types, and the application range is narrow.

Disclosure of Invention

The utility model provides a film covering machine aiming at the problems, which can simultaneously carry out film covering operation on two stations, and has higher film covering operation efficiency; the cover membrane machine can be applicable to the buttress material of multiple specification model when the operation.

According to the technical scheme of the utility model: a film covering machine is characterized in that: the film unwinding device comprises a base, wherein a multi-station rotating assembly capable of being adjusted in a rotating mode is arranged on the base, a vertical frame is fixedly arranged on the multi-station rotating assembly, a lifting assembly is arranged on the vertical frame, a film stretching assembly is connected with the lifting assembly and driven by the lifting assembly to perform lifting motion, a sucker heat sealing assembly is arranged on the upper portion of the vertical frame, the film stretching assembly and the sucker heat sealing assembly are arranged on the same side of the vertical frame, and a film unwinding assembly is arranged on the other side of the vertical frame;

and the film roll released by the film unwinding assembly is guided out to the sucking disc heat sealing assembly after being reversed by a guide roller at the top of the vertical frame, so that film sleeving operation is performed through the film stretching assembly.

As a further improvement of the utility model, the film stretching assembly comprises an adjusting beam, two supporting arms capable of performing opening and closing adjustment are arranged on the adjusting beam, and a group of film drawing assemblies are respectively arranged at two ends of each supporting arm;

the film drawing assembly comprises a base, a film drawing platform is arranged on the base in a matching mode, and the film drawing platform can move back and forth relative to the base;

the film rolling platform is movably arranged on the film drawing platform, a film rolling speed reducing motor is arranged on the film rolling platform, and the film rolling speed reducing motor drives a film rolling driving roller to rotate;

the end part of the film drawing platform is provided with a film drawing guide shell, the upper window position of the film drawing guide shell is rotatably provided with a film rolling driven roller, and the film rolling driving roller and the film rolling driven roller are matched to realize film rolling operation during working.

As a further improvement of the utility model, a film drawing platform servo motor is arranged on the base, a film drawing platform helical gear is arranged on an output shaft of the film drawing platform servo motor, a film drawing platform helical rack is arranged on the bottom surface of the film drawing platform, and the film drawing platform helical gear is meshed with the film drawing platform helical rack;

a first film drawing platform linear guide rail and a second film drawing platform linear guide rail are fixed on the film drawing platform and are respectively matched with corresponding guide wheels arranged on the base;

the film drawing platform comprises a film drawing platform base, a film drawing platform upper extension part and a film drawing platform lower extension part, wherein a film drawing platform inclined rack is installed on the bottom surface of the film drawing platform base, a first film drawing platform linear guide rail is installed on the bottom surface of the film drawing platform lower extension part, a second film drawing platform linear guide rail is installed on the outer surface of the film drawing platform upper extension part, the film drawing platform lower extension part and the film drawing platform upper extension part are arranged on two sides of the film drawing platform base, guide grooves of the first film drawing platform linear guide rail and the second film drawing platform linear guide rail are mutually vertical, the first film drawing platform linear guide rail is matched with a guide wheel installed on a base bottom plate, and the second film drawing platform linear guide rail is matched with a guide wheel installed on a base side plate;

a film rolling platform linear guide rail is arranged on the film drawing platform, and a guide wheel at the bottom of the film rolling platform is matched with the film rolling platform linear guide rail; the driven roller pin shafts at the two axial ends of the film rolling driven roller are rotatably arranged on the mounting seat on the film drawing guide shell and are limited by the film rolling driven roller pin shaft cover plate;

the adjusting beam comprises a cross arm beam box body, a screw rod connecting seat is installed in the cross arm beam box body, two sides of the screw rod connecting seat are respectively connected with a screw rod shaft, the two screw rod shafts are respectively an orthodontic screw rod shaft and an inverted threaded screw rod shaft, the orthodontic screw rod shaft and the inverted threaded screw rod shaft are respectively in threaded connection with a supporting arm connecting plate, and the orthodontic screw rod shaft and the inverted threaded screw rod shaft respectively drive the corresponding supporting arm connecting plates to be close to or far away from; the power input end of the screw rod connecting seat is connected with the input end of a driving motor arranged on the adjusting beam;

the axial outer ends of the orthodontic screw shaft and the anti-orthodontic screw shaft are respectively supported on the transverse arm beam box body through a bearing seat in a rotating way;

the upper part of the supporting arm is provided with a reinforcing arm, the end part of the reinforcing arm in the length direction is fixedly connected with the supporting arm connecting plate, and the bottom surface of the reinforcing arm is fixedly connected with the supporting arm;

the supporting arm is provided with a plurality of lightening holes.

As the utility model discloses a further improvement, the film unreels the subassembly including unreeling the frame, a side-mounting that unreels the frame unreels supporting component, unreels the lift guide holder that still is fixed with two mutual parallel arrangement in the frame, and the upper end of two lift guide holders is rotated and is set up and lead the membrane roller set, and the cooperation is provided with the slide that can carry out lift adjustment respectively in the spout of every lift guide holder, rotates between two slides and sets up the lift adjustment roller set, unreels still fixed rack mount pad in the frame.

As a further improvement of the present invention, the film unwinding assembly comprises an unwinding driving gear motor, the unwinding driving gear motor is mounted on one side of the unwinding frame, an unwinding driving wheel is mounted on an output shaft of the unwinding driving gear motor, the unwinding driving wheel is cooperatively provided with an unwinding driven wheel, and the other side of the unwinding frame is rotatably provided with an unwinding first supporting wheel and an unwinding second supporting wheel which are mutually cooperated;

the film guide roller set comprises three film guide rollers which are arranged in parallel, the lifting adjusting roller set comprises two lifting adjusting rollers which are arranged in parallel, and two ends of each lifting adjusting roller are respectively and rotatably arranged on corresponding sliding seats;

the rack mounting seat comprises an upper rack mounting seat and a lower rack mounting seat which are identical in structure, wherein the upper rack mounting seat comprises a transverse plate, two ends of the transverse plate in the length direction are respectively fixed with a vertical plate, and the transverse plate and the vertical plates are respectively provided with through holes for connection in a through mode;

the vertical plate and the unreeling rack are connected in a reinforcing mode through the reinforcing plate.

As a further improvement of the utility model, the sucker heat seal assembly comprises a sucker structure and a heat seal structure;

the sucker structure comprises a sucker frame, wherein a transmission shaft and a driven shaft are respectively and rotatably arranged at two ends of the sucker frame, and the transmission shaft is driven by a speed reduction motor arranged on the sucker frame;

a conveying belt is tensioned on a driving synchronous belt wheel of the transmission shaft and a driven synchronous belt wheel of the driven shaft, a first sucker structure is arranged on an upper layer belt body of the conveying belt, a second sucker structure is arranged on a lower layer belt body of the conveying belt, and the first sucker structure and the second sucker structure are identical in structure;

the first sucker structure comprises a sucker seat, a sucker telescopic linear guide rail is mounted on the sucker seat, a sucker moving slider is arranged on the sucker telescopic linear guide rail in a sliding fit manner, a sucker connecting rod is mounted on the bottom surface of the sucker moving slider, a sucker assembly is mounted on the sucker connecting rod and comprises a sucker base, a plurality of air distribution channels are arranged on the sucker base in parallel, an air distribution hole is formed in the surface of one side of the sucker base corresponding to each air distribution channel respectively, an air distribution pipe is fixed on the sucker base and is in sealing connection with each air distribution hole;

a plurality of base air suction holes are respectively and uniformly distributed on the other side surface of the sucker base corresponding to each air distribution channel, the sucker base is rotatably connected with a sucker opening and closing seat, a plurality of opening and closing seat air suction holes are formed in the sucker base, each opening and closing seat air suction hole is respectively communicated with an opening and closing seat air inlet hole, and after the sucker opening and closing seat is closed with the sucker base, the opening and closing seat air inlet holes are communicated with side air holes formed in the sucker base;

the heat seal structure comprises a heat seal rack, wherein an open slot for a film to pass through is formed in the heat seal rack, a first bakelite plate component is fixedly installed on one side of the open slot, a second bakelite plate component is movably arranged on the other side of the open slot, the second bakelite plate component can perform opening and closing movement relative to the first bakelite plate component, and the first bakelite plate component is provided with an electric heating wire;

a roller assembly is erected on the heat seal frame corresponding to the upper parts of the first bakelite plate assembly and the second bakelite plate assembly; the film cutting assembly is used for cutting the upper part of the film heat sealing part;

the roller assembly comprises two groups of driving roller seats fixed on the heat-seal rack, and the driving roller is rotatably supported between the two driving roller seats and driven by a speed reduction motor arranged on the driving roller seats;

each driving roller seat is provided with a sliding groove, the driven roller seat is arranged in the sliding groove of the driving roller seat in a sliding fit manner, a movable air cylinder is arranged on the driving roller seat, a piston rod of the movable air cylinder is connected with the driven roller seat, and the driven roller is rotatably supported on the driven roller seat;

the driving roller seat comprises a driving roller first mounting plate and a driving roller second mounting plate (wherein a bottom plate of the driving roller first mounting plate is mounted on the heat-seal rack, the driving roller second mounting plate is fixedly connected with the driving roller first mounting plate through a bolt, and a sliding chute of the driving roller seat is formed between the driving roller second mounting plate and the driving roller first mounting plate;

the movable cylinder is arranged on a vertical plate seat at the outer end of the second mounting plate of the driving roller;

the film cutting assembly comprises a film cutting cylinder arranged on the second bakelite plate assembly and a first film cutting knife driven by the film cutting cylinder, and the first film cutting knife can horizontally move relative to the first bakelite plate assembly;

a cutter groove matched with the first film cutting cutter is formed in the second bakelite plate component;

two sliding rails are arranged on the heat seal rack in parallel, and a roller arranged at the bottom of the second bakelite plate component is matched with the sliding rails;

an opening and closing cylinder is arranged on the heat-sealing machine frame, and the piston rod end of the opening and closing cylinder is connected with the second bakelite plate component;

the first bakelite plate component comprises a fixed shell and a first bakelite plate fixedly arranged in the fixed shell;

the second bakelite plate component comprises a movable shell, and a second bakelite plate is fixedly arranged on the movable shell.

As a further improvement of the utility model, the air distribution pipe is connected with the air inlet main pipe, and the sucker base is rotationally connected with the sucker opening and closing base through a hinge; the axial outer end of the air distribution channel is provided with a plug, the side air hole is arranged at the axial other end of the air distribution channel, the side air hole is obliquely arranged, and the air inlet hole of the opening and closing seat is obliquely arranged; the cylinder hinges on the lug seat installed on the sucker base, and the piston rod end of the cylinder is hinged with the connecting seat of the sucker opening and closing seat.

As a further improvement, the lifting unit sets up in the bottom sprocket and the rotation of grudging post lower part including rotating and sets up in drive sprocket and the auxiliary sprocket on grudging post upper portion, the chain tensioning set up in on bottom sprocket, drive sprocket and the auxiliary sprocket, the counter weight is connected to chain one side, and the auto-lock subassembly is connected to the chain opposite side, and the auto-lock subassembly cooperatees with the auto-lock groove on the grudging post, and the tensile subassembly of film is connected to the auto-lock subassembly.

As a further improvement of the utility model, the self-locking assembly comprises a roller chain joint hoisted at the lower end of the chain, a self-locking stop block is rotationally connected in an open slot at the lower part of the roller chain joint, the self-locking stop block is hinged with the self-locking shell, a spring seat is fixedly connected to the inner wall of the self-locking shell, a spring is arranged in the spring seat in a matching manner, a stop block ejector is fixedly connected at the inner end of the spring, and the outer end of the spring is limited and fixed through a spring compression nut connected to the self-locking shell;

the lower part of the self-locking stop block is close to one side of the stop block ejector to form a self-locking surface, the other side of the lower part of the self-locking stop block is provided with a limiting stop point, the limiting stop point is matched with self-locking grooves uniformly distributed on the self-locking stop block, and the outer end of the stop block ejector is pressed on the self-locking surface; the self-locking stop block is rotationally connected with the roller chain joint through a first pin shaft, and a gasket is arranged at the shaft end of the first pin shaft; the spring seat is fixedly connected with the self-locking shell through a socket head cap screw; the self-locking surface is parallel to the length direction of the self-locking stop block; the self-locking shell is rotationally connected with the self-locking stop block through a second pin shaft; the spring seat comprises a seat body and a sleeve portion integrally connected with the seat body, the spring is arranged in the sleeve portion, and the stop block ejector can compress the spring to perform telescopic motion in the sleeve portion.

As a further improvement of the utility model, the multistation rotating assembly is including installing slewing bearing between base and grudging post and installing the rotary drive motor on the grudging post, and rotary drive motor rotates via slewing bearing drive grudging post.

The technical effects of the utility model reside in that: the utility model has reasonable and ingenious structure, can be suitable for the stacking materials with various specifications and models during working, and has wider application range; and simultaneously, the utility model discloses the product can be applicable to a plurality of stations and carry out the mantle according to the work beat at the during operation, can effectively improve work efficiency.

Drawings

Fig. 1 is a schematic structural diagram of the present invention.

FIG. 2 is a schematic diagram of a film stretching assembly.

Fig. 3 is a front view of the adjustment beam of fig. 2.

Fig. 4 isbase:Sub>A sectional view taken along linebase:Sub>A-base:Sub>A in fig. 3.

Fig. 5 is a perspective view of fig. 3.

Fig. 6 is a front view of the middle pull membrane module of the present invention.

Fig. 7 is a top view of fig. 6.

Fig. 8 is a left side view of fig. 6.

Fig. 9 is a perspective view of fig. 6.

Fig. 10 is a perspective view of fig. 6.

Fig. 11 is a perspective view of a film unwinding assembly.

Fig. 12 is a perspective view of a film unwinding assembly.

Fig. 13 is a schematic view illustrating an operating state of the film unwinding assembly.

Figure 14 is a front view of the suction cup structure.

Fig. 15 is a left side view of fig. 14.

Fig. 16 is a perspective view of fig. 14.

Figure 17 is a front view of the suction cup assembly.

Fig. 18 is a sectional view taken along line B-B of fig. 17.

Fig. 19 is a perspective view of fig. 17.

Fig. 20 is a front view of the open state of the present invention.

Fig. 21 is a sectional view taken along line C-C of fig. 20.

Fig. 22 is a perspective view of fig. 20.

Figure 23 is a front view of the self-locking assembly.

Fig. 24 is a cross-sectional view taken along line D-D of fig. 23.

Fig. 25 is a schematic structural view of the self-locking state of the self-locking assembly.

Fig. 26 is a perspective view of the self-locking assembly.

FIG. 27 is a front view of a heat seal structure.

Fig. 28 is a top view of fig. 27.

Fig. 29 is a sectional view taken along line E-E of fig. 27.

Fig. 30 is a perspective view of fig. 27.

FIG. 31 is a front view of the roller assembly of FIG. 27 with the roller assembly removed.

Fig. 32 is a sectional view taken along line F-F of fig. 31.

Fig. 33 is a cross-sectional view taken along the line M-M in fig. 32.

Fig. 34 is a perspective view of fig. 31.

FIG. 35 is a front view of the roller assembly.

Fig. 36 is a top view of fig. 35.

Fig. 37 is a side view of fig. 35.

Fig. 38 is a perspective view of fig. 35.

Detailed Description

The following description will further describe embodiments of the present invention with reference to the accompanying drawings.

In FIGS. 1 to 38, the following examples are shown, comprises a multi-station rotating component 1, a film stretching component 2, an adjusting beam 2-1, a supporting arm 2-2, a film drawing component 2-3, a base 2-3-1, a film rolling driven roller 2-3-2, a film drawing platform 2-3-3, a film platform base 2-3-1, an upper extending part 2-3-2 of the film drawing platform, a lower extending part 2-3-3-3 of the film drawing platform, a film rolling driving roller 2-3-4, a film rolling driven roller pin shaft cover plate 2-3-5, a film rolling platform 2-3-6, a film rolling platform linear guide rail 2-3-8, a second film drawing platform linear guide rail 2-3-11, a film drawing platform inclined rack 2-3-12 2-3-13 parts of film-drawing guide shell, 2-3-15 parts of film-rolling speed-reducing motor, 2-3-17 parts of first film-drawing platform linear guide rail, 4-1 parts of sucking disc heat sealing component, 4-1 parts of sucking disc component, 4-1-10 parts of sucking disc base, 4-1-11 parts of air inlet main pipe, 4-1-12 parts of air distribution pipe, 4-1-13 parts of air distribution hole, 4-1-14 parts of air distribution channel, 4-1-15 parts of base air suction hole, 4-1-16 parts of side air hole, 4-1-17 parts of plug, 4-1-20 parts of sucking disc opening and closing seat, 4-3 parts of driving synchronous belt wheel, 4-4 parts of speed-reducing motor, 4-5 parts of transmission shaft, 4-6 parts of sucking disc telescopic linear guide rail, 4-7 parts of driven synchronous belt wheel, 4-8 parts of driven shaft, the lifting device comprises a lifting component 5, a bottom chain wheel 5-1, a driving chain wheel 5-2, an auxiliary chain wheel 5-3, a chain 5-4, a counterweight 5-5, a self-locking component 6, a self-locking stop block 6-2, a self-locking surface 6-2-1, a limit stop tip 6-2-2, a spring seat 6-5, a second pin shaft 6-8, a stop block ejector 6-9, a spring 6-10, a self-locking stop plate 6-11, a self-locking shell 6-13, a self-locking groove 6-14, a base 7, a vertical frame 8 and the like.

As shown in fig. 1 to 38, the utility model relates to a film covering machine, including base 7, be provided with on the base 7 and rotate the multistation rotating assembly 1 of adjusting, the fixed grudging post 8 that sets up on the multistation rotating assembly 1, install lifting unit 5 on the grudging post 8, film stretching assembly 2 links to each other with lifting unit 5 to carry out elevating movement by lifting unit 5 drive, sucking disc heat seal subassembly 4 is installed on the upper portion of grudging post 8, film stretching assembly 2 and sucking disc heat seal subassembly 4 are installed in the same one side of grudging post 8, and the opposite side installation film of grudging post 8 unreels subassembly 3. In the middle of the actual work, multistation rotating assembly 1 can rotate to realize and a plurality of station dockings, through multistation rotating assembly 1's rotation, can make the utility model discloses the covering machine can satisfy the application needs of a plurality of stations, effectively provides the work efficiency among the actual application.

In the working process, the rolled film discharged from the film unwinding assembly 3 is guided out to the sucking disc heat sealing assembly 4 after being reversed by a guide roller at the top of the vertical frame 8, so that film sleeving operation is performed through the film stretching assembly 2. The sucking disc heat seal assembly 4 is used for realizing heat seal of the film and cutting operation after heat seal, and meanwhile, the sucking disc assembly 4-1 of the sucking disc heat seal assembly 4 is used for realizing adsorption and opening operation of the film, so that subsequent bagging operation is facilitated. The film after heat seal cutting is stretched to the required specification by the film stretching component 2, and then the film stretching component 2 is driven by the lifting component 5 to move up and down to the proper height for film covering operation.

As shown in FIGS. 11 to 13, in order to realize a reliable and smooth film covering work in operation. The film unreeling component 3 comprises an unreeling rack 3-1, an unreeling support component is installed on one side of the unreeling rack 3-1, two lifting guide seats 3-10 which are arranged in parallel are further fixed on the unreeling rack 3-1, a guide film roller set is rotatably arranged at the upper ends of the two lifting guide seats 3-10, a sliding seat 3-11 capable of being adjusted in lifting is respectively and cooperatively arranged in a sliding groove of each lifting guide seat 3-10, a lifting adjusting roller set is rotatably arranged between the two sliding seats 3-11, and a rack installation seat 3-2 is further fixed on the unreeling rack 3-1.

The film unreeling assembly 3 comprises an unreeling driving speed reduction motor 3-5, the unreeling driving speed reduction motor 3-5 is installed on one side of an unreeling rack 3-1, an unreeling driving wheel 3-3 is installed on an output shaft of the unreeling driving speed reduction motor 3-5, an unreeling driven wheel 3-4 is arranged on the unreeling driving wheel 3-3 in a matched mode, and an unreeling first supporting wheel 3-6 and an unreeling second supporting wheel 3-7 which are mutually matched are rotatably arranged on the other side of the unreeling rack 3-1.

The film guide roller group comprises three film guide rollers 3-8 which are arranged in parallel, the lifting adjusting roller group comprises two lifting adjusting rollers 3-9 which are arranged in parallel, and two ends of each lifting adjusting roller 3-9 are respectively and rotatably arranged on the corresponding sliding seat 3-11.

The rack mounting seat 3-2 comprises an upper rack mounting seat and a lower rack mounting seat which have the same structure, wherein the upper rack mounting seat comprises a transverse plate 3-2-1, two vertical plates 3-2-2 are respectively fixed at two ends of the transverse plate 3-2-1 in the length direction, and through holes for connection are respectively arranged on the transverse plate 3-2-1 and the vertical plates 3-2-2 in a penetrating manner; the vertical plate 3-2-2 is connected with the unreeling machine frame 3-1 through a reinforcing plate in a reinforcing mode.

As shown in fig. 11 to 13, the film winding machine 3-12 is mounted on the column of the film sleeving machine through a frame mounting base 3-2 to perform unwinding operation during work; the roll film 3-12 is placed on the unreeling driving wheel 3-3, the unreeling driven wheel 3-4, the unreeling first supporting wheel 3-6 and the unreeling second supporting wheel 3-7 after being tensioned by the air inflation shaft. The covering film led out from the film winding 3-12 can be reliably and stably regulated by the three film guide rollers 3-8 and the two lifting regulating rollers 3-9 which can move up and down, and stable and reliable blanking and final covering film operation are ensured. When the film unwinding device works, the unwinding driving speed reduction motor 3-5 drives the unwinding driving wheel 3-3 to rotate, and drives the air expansion shaft of the film winding 3-12 to rotate, so that the film winding 3-12 is driven to rotate, and unwinding operation is realized. In the unreeling process, when the slide carriage 3-11 drives the lifting adjusting roller 3-9 to be positioned at the middle upper position, most of the thin film between the lifting adjusting roller 3-9 and the film guide roller 3-8 is sent out for film covering operation, and in order to ensure the subsequent normal film covering operation, the unreeling operation of the coiled film 3-12 needs to be accelerated; when the positions of the film guide rollers 3-8 and the lifting adjusting rollers 3-9 are deviated, more films are stored between the film guide rollers 3-8 and the lifting adjusting rollers 3-9 and need to be used as soon as possible, and the unreeling speed of the rolled films 3-12 needs to be reduced.

Further, as shown in fig. 14 to 16, in order to implement the heat sealing and cutting operation on the unwound film, the suction cup heat sealing assembly 4 includes a suction cup structure and a heat sealing structure, and the suction cup structure is arranged below the heat sealing structure; the sucker structure comprises a sucker frame, wherein two ends of the sucker frame are respectively and rotatably provided with a transmission shaft 4-5 and a driven shaft 4-8, and the transmission shaft 4-5 is driven by a speed reduction motor 4-4 arranged on the sucker frame.

A conveying belt is arranged on the driving synchronous belt pulley 4-3 of the transmission shaft 4-5 and the driven synchronous belt pulley 4-7 of the driven shaft 4-8 in a tensioning mode, a first sucking disc structure is installed on an upper-layer belt body of the conveying belt, a second sucking disc structure is installed on a lower-layer belt body of the conveying belt, and the first sucking disc structure and the second sucking disc structure are identical in structure.

The first sucker structure comprises a sucker seat, a sucker telescopic linear guide rail 4-6 is installed on the sucker seat, a sucker moving sliding block is arranged on the sucker telescopic linear guide rail 4-6 in a sliding fit mode, a sucker connecting rod is installed on the bottom surface of the sucker moving sliding block, a sucker component 4-1 is installed on the sucker connecting rod, the sucker component 4-1 comprises a sucker base 4-1-10, a plurality of air distribution channels 4-1-14 are arranged on the sucker base 4-1-10 in parallel, one side surface of the sucker base 4-1-10 is provided with an air distribution hole 4-1-13 corresponding to each air distribution channel 4-1-14, an air distribution pipe 4-1-12 is fixed on the sucker base 4-1-10, and the air distribution pipe 4-1-12 is connected with each air distribution hole 4-1-13 in a sealing mode.

The other side surface of the sucker base 4-1-10 is respectively and uniformly provided with a plurality of base air suction holes 4-1-15 corresponding to each air distribution channel 4-1-14, the sucker base 4-1-10 is rotatably connected with the sucker opening and closing seat 4-1-20, the sucker base 4-1-10 is provided with a plurality of opening and closing seat air suction holes 4-1-22, each opening and closing seat air suction hole 4-1-22 is respectively communicated with one opening and closing seat air inlet hole 4-1-21, and after the sucker opening and closing seat 4-1-20 and the sucker base 4-1-10 are closed, the opening and closing seat air inlet holes 4-1-21 are communicated with the side air holes 4-1-16 arranged on the sucker base 4-1-10.

As shown in fig. 27 to 38, the heat seal structure includes a heat seal frame 4-9-1, an open slot 4-9-13 for a film to pass through is formed in the heat seal frame 4-9-1, a first bakelite plate assembly is fixedly installed on one side of the open slot 4-9-13, a second bakelite plate assembly is movably arranged on the other side of the open slot 4-9-13, the second bakelite plate assembly can perform opening and closing movement relative to the first bakelite plate assembly, and the first bakelite plate assembly is provided with an electric heating wire 4-9-12;

a roller assembly is erected on the heat seal rack 4-9-1 corresponding to the upper parts of the first bakelite plate assembly and the second bakelite plate assembly; the film cutting assembly is used for cutting the upper part of the film heat sealing part;

the roller assembly comprises two groups of driving roller seats 4-9-17 fixed on the heat-seal frame 4-9-1, and the driving rollers 4-9-14 are rotatably supported between the two driving roller seats 4-9-17 and driven by speed reduction motors 4-9-16 arranged on the driving roller seats 4-9-17;

each driving roller seat 4-9-17 is provided with a sliding groove, each driven roller seat 4-9-18 is arranged in the sliding groove of each driving roller seat 4-9-17 in a sliding fit manner, each driving roller seat 4-9-17 is provided with a movable air cylinder 4-9-19, a piston rod of each movable air cylinder 4-9-19 is connected with each driven roller seat 4-9-18, and each driven roller 4-9-15 is rotatably supported on each driven roller seat 4-9-18;

the driving roller seat 4-9-17 comprises a driving roller first mounting plate 4-9-17-1 and a driving roller second mounting plate 4-9-17-2, wherein a bottom plate of the driving roller first mounting plate 4-9-17-1 is mounted on the heat seal rack 4-9-1, the driving roller second mounting plate 4-9-17-2 is fixedly connected with the driving roller first mounting plate 4-9-17-1 through a bolt, and a sliding chute of the driving roller seat 4-9-17 is formed between the driving roller second mounting plate 4-9-17-2 and the driving roller first mounting plate 4-9-17-1;

the movable cylinder 4-9-19 is arranged on a vertical plate seat at the outer end of the second mounting plate 4-9-17-2 of the driving roller;

the film cutting assembly comprises a film cutting cylinder 4-9-20 arranged on the second bakelite plate assembly and a first film cutting knife 4-9-21 driven by the film cutting cylinder 4-9-20, and the first film cutting knife 4-9-21 can horizontally move relative to the first bakelite plate assembly;

the second bakelite plate component is provided with a cutter groove 4-9-22 matched with the first film cutter 4-9-21;

two sliding rails 4-9-10 are arranged on the heat seal rack 4-9-1 in parallel, and rollers arranged at the bottom of the second bakelite plate component are matched with the sliding rails 4-9-10;

an opening and closing cylinder 4-9-4 is arranged on the heat seal frame 4-9-1, and the piston rod end of the opening and closing cylinder 4-9-4 is connected with a second bakelite plate component;

the first bakelite plate component comprises a fixed shell 4-9-3 and a first bakelite plate 4-9-6 fixedly arranged in the fixed shell 4-9-3;

the second bakelite plate component comprises a movable shell 4-9-2, and the movable shell 4-9-2 is fixedly provided with a second bakelite plate 4-9-5.

The air distribution pipe 4-1-12 is connected with the air inlet main pipe 4-1-11, and the sucker base 4-1-10 is rotatably connected with the sucker opening and closing seat 4-1-20 through a hinge 4-1-40; a plug 4-1-17 is arranged at the axial outer end of the air distribution channel 4-1-14, a side air hole 4-1-16 is arranged at the axial other end of the air distribution channel 4-1-14, the side air hole 4-1-16 is obliquely arranged, and an air inlet 4-1-21 of the opening and closing seat is obliquely arranged; the air cylinder 4-1-30 is hinged on an ear seat 4-1-50 arranged on the suction cup base 4-1-10, and the piston rod end of the air cylinder 4-1-30 is hinged with a connecting seat of the suction cup opening and closing seat 4-1-20.

When in work, the air extractor is arranged on a film sleeving machine, and the air extractor is communicated with the air inlet main pipe 4-1-11 to perform air extraction operation. In the process of air exhaust, the sucker base 4-1-10 moves to the position of the film to carry out adsorption operation on the film. After the film is adsorbed, the air cylinder 4-1-30 pushes the sucker opening and closing seat 4-1-20 to open, at the moment, no air flow passes through an air inlet hole 4-1-21 of the opening and closing seat on the sucker opening and closing seat 4-1-20, the air hole 4-1-16 on the side portion of the sucker base 4-1-10 realizes the adsorption effect on the film, and after the film is adsorbed, the air cylinder 4-1-30 pushes the sucker opening and closing seat 4-1-20 to close, so that the sucker opening and closing seat 4-1-20 is matched with the sucker base 4-1-10 to clamp the film, and the film can be stably and reliably moved in position.

Further, as shown in fig. 2 to 10, in order to facilitate subsequent film covering operation, the film needs to be tensioned and stretched to a suitable specification, the film stretching assembly 2 includes an adjusting beam 2-1, two supporting arms 2-2 capable of being opened and closed are arranged on the adjusting beam 2-1, and two ends of each supporting arm 2-2 are respectively provided with a group of film pulling assemblies 2-3.

The film drawing assembly comprises a base 2-3-1, a film drawing platform 2-3-3 is arranged on the base 2-3-1 in a matching mode, and the film drawing platform 2-3-3 can move back and forth relative to the base 2-3-1.

The film rolling platform 2-3-6 is movably arranged on the film pulling platform 2-3-3, a film rolling speed reducing motor 2-3-15 is arranged on the film rolling platform 2-3-6, and the film rolling speed reducing motor 2-3-15 drives a film rolling driving roller 2-3-4 to rotate.

And a film drawing guide shell 2-3-13 is arranged at the end part of the film drawing platform 2-3-3, a film rolling driven roller 2-3-2 is rotatably arranged at the upper window position of the film drawing guide shell 2-3-13, and a film rolling driving roller 2-3-4 is matched with the film rolling driven roller 2-3-2 to realize film rolling operation during work.

The base 2-3-1 is provided with a film drawing platform servo motor 2-3-10, an output shaft of the film drawing platform servo motor 2-3-10 is provided with a film drawing platform helical gear 2-3-9, the bottom surface of the film drawing platform 2-3-3 is provided with a film drawing platform helical rack 2-3-12, and the film drawing platform helical gear 2-3-9 is meshed with the film drawing platform helical rack 2-3-12.

And a first film drawing platform linear guide rail 2-3-17 and a second film drawing platform linear guide rail 2-3-11 are fixed on the film drawing platform 2-3-3, and the first film drawing platform linear guide rail 2-3-17 and the second film drawing platform linear guide rail 2-3-11 are respectively matched with corresponding guide wheels arranged on the base 2-3-1.

The film drawing platform 2-3-3 comprises a film drawing platform base 2-3-3-1, a film drawing platform upper extension part 2-3-2, a film drawing platform lower extension part 2-3-3, a film drawing platform inclined rack 2-3-12 is installed on the bottom surface of the film drawing platform base 2-3-3-1, a first film drawing platform linear guide rail 2-3-17 is installed on the bottom surface of the film drawing platform lower extension part 2-3-3, a second film drawing platform linear guide rail 2-3-11 is installed on the outer surface of the film drawing platform upper extension part 2-3-2, the film drawing platform lower extension part 2-3-3-3 and the film drawing platform upper extension part 2-3-2 are respectively arranged on two sides of the film drawing platform base 2-3-3-1, guide grooves of the first film drawing platform linear guide rail 2-3-17 and the second film drawing platform linear guide rail 2-3-11 are mutually vertical, a guide wheel of the first film drawing platform linear guide rail 2-3-17 is matched with a guide wheel installed on the base 2-3-1, and a side plate of the film drawing platform 2-3-1 is matched with a guide wheel installed on the base 2-3-3.

A film rolling platform linear guide rail 2-3-8 is arranged on the film pulling platform 2-3-3, and a guide wheel at the bottom of the film rolling platform 2-3-6 is matched with the film rolling platform linear guide rail 2-3-8; and the driven roller pin shafts 2-3-18 at the two axial ends of the film rolling driven roller 2-3-2 are rotatably arranged on the mounting seats on the film drawing guide shells 2-3-13 and are limited by the film rolling driven roller pin shaft cover plates 2-3-5.

The adjusting beam 2-1 comprises a transverse arm beam box body 2-1-7, a screw rod connecting seat 2-1-4 is installed in the transverse arm beam box body 2-1-7, two sides of the screw rod connecting seat 2-1-4 are respectively connected with a screw rod shaft 2-1-5, the two screw rod shafts 2-1-5 are respectively an orthodontic screw rod shaft and a reverse screw rod shaft, the orthodontic screw rod shaft and the reverse screw rod shaft are respectively in threaded connection with a supporting arm connecting plate 2-1-1, and the orthodontic screw rod shaft and the reverse screw rod shaft respectively drive the corresponding supporting arm connecting plates 2-1-1 to approach or depart from; the power input end of the screw rod connecting seat 2-1-4 is connected with the input end of a driving motor arranged on the adjusting beam 2-1.

The axial outer ends of the orthodontic screw shaft and the anti-orthodontic screw shaft are respectively supported on the transverse arm beam box body 2-1-7 through the bearing seats 2-1-9 in a rotating way.

The upper part of the supporting arm 2-2 is provided with a reinforcing arm 2-4, the end part of the reinforcing arm 2-4 in the length direction is fixedly connected with a supporting arm connecting plate 2-1-1, and the bottom surface of the reinforcing arm 2-4 is fixedly connected with the supporting arm 2-2; a plurality of lightening holes are arranged on the supporting arm 2-2.

The film bag formed after heat sealing and cutting can be sleeved reliably and stably on the stack material through the structure of the film stretching assembly 2. During initial operation of film covering, the film is stored in a groove formed on the film-drawing guide shell 2-3-13, and the film stretching assembly 2 is driven by the lifting assembly 5 to perform lifting motion so as to realize film covering operation on the stack materials.

The lifting assembly 5 comprises a bottom chain wheel 5-1 rotatably arranged at the lower part of the vertical frame 8, a driving chain wheel 5-2 and an auxiliary chain wheel 5-3 rotatably arranged at the upper part of the vertical frame 8, a chain 5-4 is arranged on the bottom chain wheel 5-1, the driving chain wheel 5-2 and the auxiliary chain wheel 5-3 in a tensioning manner, one side of the chain 5-4 is connected with a balance weight 5-5, the other side of the chain 5-4 is connected with a self-locking assembly 6, the self-locking assembly 6 is matched with a self-locking groove on the vertical frame 8, and the self-locking assembly 6 is connected with the film stretching assembly 2.

As shown in fig. 23 to 26, in order to realize reliable and stable lifting operation of the film stretching assembly 2, the self-locking assembly 6 comprises a roller chain joint 6-3 hung at the lower end of a chain 5-4, a self-locking stopper 6-2 is rotatably connected in an open slot at the lower part of the roller chain joint 6-3, the self-locking stopper 6-2 is hinged with a self-locking shell 6-13, a spring seat 6-5 is fixedly connected to the inner wall of the self-locking shell 6-13, a spring 6-10 is arranged in the spring seat 6-5 in a matching manner, an inner end of the spring 6-10 is fixedly connected with a stopper ejector 6-9, and the outer end of the spring 6-10 is limited and fixed through a spring pressing nut 6-4 connected to the self-locking shell 6-13.

The lower part of the self-locking stop block 6-2 is close to one side of the stop block ejector 6-9 to form a self-locking surface 6-2-1, the other side of the lower part of the self-locking stop block 6-2 is provided with a limit stop tip 6-2-2, the limit stop tip 6-2-2 is matched with self-locking grooves 6-14 uniformly distributed on the self-locking stop block 6-11, and the outer end of the stop block ejector 6-9 is tightly pressed on the self-locking surface 6-2-1; the self-locking stop block 6-2 is rotationally connected with the roller chain joint 6-3 through a first pin shaft 6-6, and a gasket 6-7 is arranged at the shaft end of the first pin shaft 6-6; the spring seat 6-5 is fixedly connected with the self-locking shell 6-13 through an inner hexagon screw 6-1; the self-locking surface 6-2-1 is parallel to the self-locking stop 6-2 in the length direction; the self-locking shell 6-13 is rotatably connected with the self-locking stop block 6-2 through a second pin shaft 6-8; the spring seat 6-5 comprises a seat body and a sleeve part integrally connected with the seat body, the spring 6-10 is arranged in the sleeve part, and the stop block ejector 6-9 can compress the spring 6-10 to perform telescopic motion in the sleeve part.

When the product of the utility model works, the self-locking shell 6-13 is fixedly connected with the adjusting beam of the film sleeving machine, and the chain 5-4 is in a stretched state under the gravity action of the adjusting beam; at the moment, the self-locking stop block 6-2 is in a vertical state, the stop block ejector 6-9 is in a state of compressing the spring 6-10 under the action of the self-locking stop block 6-2, and the limit stop tip 6-2-2 is in a retraction state, so that the chain 5-4 can be ensured to drive the adjusting beam to stably and reliably perform lifting movement in the vertical direction; in the lifting and moving process, when the chain 5-4 is broken, because the roller chain joint 6-3 is not suspended and restrained by the chain 5-4, the spring 6-10 can push the limiting baffle point 6-2-2 to rotate towards one side of the self-locking baffle 6-11, and the limiting baffle point 6-2-2 can be supported in the self-locking groove 6-14 in the falling process of the adjusting beam, so that the falling of the adjusting beam is blocked, the potential safety hazard caused by the free falling body of the adjusting beam after the chain 5-4 is broken is avoided, and the safety of the working of the utility model can be effectively improved by the matching of the limiting baffle point 6-2-2 and the self-locking groove 14.

The multi-station rotating assembly 1 comprises a rotary support installed between a base 7 and a stand 8 and a rotary driving motor installed on the stand 8, and the rotary driving motor drives the stand 8 to rotate through the rotary support.

As shown in fig. 11 to 13, the product of the present invention has a reasonable and ingenious structure, and when in operation, a film roll is placed on the film unwinding assembly 3, and after being pulled out and guided by the lifting adjusting rollers 3-9 and the film guiding rollers 3-8, the film is guided to the sucking disc heat sealing assembly 4, and after being unwound by a certain length, the film is heat-sealed and cut off by the heat sealing mechanism of the sucking disc heat sealing assembly 4, and then the cut film is spread to a proper opening size by the sucking disc mechanism, and is installed on the vertical frame 8 of the film sleeving machine through the frame mounting base 3-2, so as to perform unwinding operation during operation; the film winding 3-12 is placed on the unwinding driving wheel 3-3, the unwinding driven wheel 3-4, the unwinding first supporting wheel 3-6 and the unwinding second supporting wheel 3-7 after being tensioned by the air expansion shaft. The covering film led out from the film winding 3-12 can be reliably and stably regulated by the three film guide rollers 3-8 and the two lifting regulating rollers 3-9 which can move up and down, and stable and reliable blanking and final covering film operation are ensured. When the film unwinding device works, the unwinding driving speed reduction motor 3-5 drives the unwinding driving wheel 3-3 to rotate, and drives the air expansion shaft of the film winding 3-12 to rotate, so that the film winding 3-12 is driven to rotate, and unwinding operation is realized. In the unreeling process, when the slide seats 3-11 drive the lifting adjusting rollers 9 to be positioned at the middle upper position, most of the thin films between the lifting adjusting rollers 3-9 and the film guide rollers 3-8 are sent out for film covering operation, and in order to ensure the subsequent normal film covering operation, the unreeling operation of the coiled films 3-12 needs to be accelerated; when the positions of the film guide rollers 3-8 and the lifting adjusting rollers 3-9 are deviated, more films are stored between the film guide rollers 3-8 and the lifting adjusting rollers 3-9 and need to be used as soon as possible, and the unreeling speed of the rolled films 3-12 needs to be reduced.

As shown in fig. 14 to 16, after passing through the suction cup structure of the suction cup heat sealing assembly 4, the unwound film is opened to a suitable opening size by the suction cup 4-1, the film stretching assembly 2 is driven by the lifting assembly 5 to ascend to the position of the suction cup heat sealing assembly 4, the suction cup 4-1 of the suction cup heat sealing assembly 4 sleeves the stretched film on the film stretching assembly 2, and the film stretching assembly 2 is used for stretching the film so as to sleeve the film on a corresponding stack material.

As shown in figure 1, the utility model discloses the product can realize the rotation of during operation through multistation rotating assembly 1 at the during operation to the mantle operation of multistation is convenient for carry out, work efficiency can effectively be improved.

Claims (10)

1. A film coating machine is characterized in that: the film unwinding device comprises a base (7), wherein a multi-station rotating assembly (1) capable of being adjusted in a rotating mode is arranged on the base (7), a vertical frame (8) is fixedly arranged on the multi-station rotating assembly (1), a lifting assembly (5) is installed on the vertical frame (8), a film stretching assembly (2) is connected with the lifting assembly (5) and driven by the lifting assembly (5) to move up and down, a sucking disc heat sealing assembly (4) is installed on the upper portion of the vertical frame (8), the film stretching assembly (2) and the sucking disc heat sealing assembly (4) are installed on the same side of the vertical frame (8), and a film unwinding assembly (3) is installed on the other side of the vertical frame (8);

the film roll released by the film unwinding assembly (3) is guided out to the sucking disc heat sealing assembly (4) after being changed by a guide roller at the top of the vertical frame (8) so as to carry out film sleeving operation through the film stretching assembly (2).

2. A laminating machine according to claim 1, characterised in that: the film stretching assembly (2) comprises an adjusting beam (2-1), two supporting arms (2-2) capable of being opened and closed and adjusted are arranged on the adjusting beam (2-1), and two ends of each supporting arm (2-2) are respectively provided with a group of film pulling assemblies (2-3);

the film drawing assembly comprises a base (2-3-1), a film drawing platform (2-3-3) is arranged on the base (2-3-1) in a matched mode, and the film drawing platform (2-3-3) can move in a reciprocating mode relative to the base (2-3-1);

the film rolling platform (2-3-6) is movably arranged on the film pulling platform (2-3-3), a film rolling speed reducing motor (2-3-15) is arranged on the film rolling platform (2-3-6), and the film rolling speed reducing motor (2-3-15) drives a film rolling driving roller (2-3-4) to rotate;

and the end part of the film drawing platform (2-3-3) is provided with a film drawing guide shell (2-3-13), the upper window position of the film drawing guide shell (2-3-13) is rotatably provided with a film rolling driven roller (2-3-2), and in work, the film rolling driving roller (2-3-4) and the film rolling driven roller (2-3-2) are matched to realize film rolling operation.

3. A laminating machine according to claim 2, characterised in that: a film drawing platform servo motor (2-3-10) is arranged on the base (2-3-1), a film drawing platform helical gear (2-3-9) is arranged on an output shaft of the film drawing platform servo motor (2-3-10), a film drawing platform helical rack (2-3-12) is arranged on the bottom surface of the film drawing platform (2-3-3), and the film drawing platform helical gear (2-3-9) is meshed with the film drawing platform helical rack (2-3-12);

a first film drawing platform linear guide rail (2-3-17) and a second film drawing platform linear guide rail (2-3-11) are fixed on the film drawing platform (2-3-3), and the first film drawing platform linear guide rail (2-3-17) and the second film drawing platform linear guide rail (2-3-11) are respectively matched with corresponding guide wheels arranged on the base (2-3-1);

the film drawing platform (2-3-3) comprises a film drawing platform base (2-3-3-1), an upper extending part (2-3-3-2) of the film drawing platform and a lower extending part (2-3-3-3) of the film drawing platform, a film drawing platform inclined rack (2-3-12) is installed on the bottom surface of the film drawing platform base (2-3-3-1), a first film drawing platform linear guide rail (2-3-17) is installed on the bottom surface of the lower extending part (2-3-3-3) of the film drawing platform, a second film drawing platform linear guide rail (2-3-11) is installed on the outer surface of the upper extending part (2-3-3-2) of the film drawing platform, the lower extension part (2-3-3-3) of the film drawing platform and the upper extension part (2-3-3-2) of the film drawing platform are respectively arranged at two sides of a base (2-3-3-1) of the film drawing platform, guide grooves of a first film drawing platform linear guide rail (2-3-17) and a second film drawing platform linear guide rail (2-3-11) are vertical to each other, the first film drawing platform linear guide rail (2-3-17) is matched with a guide wheel arranged on a bottom plate of the base (2-3-1), and the second film drawing platform linear guide rail (2-3-11) is matched with a guide wheel arranged on a side plate of the base (2-3-1);

a film rolling platform linear guide rail (2-3-8) is arranged on the film pulling platform (2-3-3), and a guide wheel at the bottom of the film rolling platform (2-3-6) is matched with the film rolling platform linear guide rail (2-3-8); the driven roller pin shafts (2-3-18) at the two axial ends of the film rolling driven roller (2-3-2) are rotatably arranged on the mounting seats on the film drawing guide shells (2-3-13) and are limited by the film rolling driven roller pin shaft cover plates (2-3-5);

the adjusting beam (2-1) comprises a transverse arm beam box body (2-1-7), a screw rod connecting seat (2-1-4) is installed in the transverse arm beam box body (2-1-7), two sides of the screw rod connecting seat (2-1-4) are respectively connected with a screw rod shaft (2-1-5), the two screw rod shafts (2-1-5) are respectively an orthodontic screw rod shaft and an inverted screw rod shaft, the orthodontic screw rod shaft and the inverted screw rod shaft are respectively in threaded connection with a supporting arm connecting plate (2-1-1), and the orthodontic screw rod shaft and the inverted screw rod shaft respectively drive the corresponding supporting arm connecting plate (2-1-1) to approach or depart from; the power input end of the screw rod connecting seat (2-1-4) is connected with the input end of a driving motor arranged on the adjusting beam (2-1);

the axial outer ends of the orthodontic screw shaft and the anti-orthodontic screw shaft are respectively and rotatably supported on the cross arm beam box body (2-1-7) through bearing seats (2-1-9);

the upper part of the supporting arm (2-2) is provided with a reinforcing arm (2-4), the end part of the reinforcing arm (2-4) in the length direction is fixedly connected with a supporting arm connecting plate (2-1-1), and the bottom surface of the reinforcing arm (2-4) is fixedly connected with the supporting arm (2-2);

the supporting arm (2-2) is provided with a plurality of lightening holes.

4. A laminating machine according to claim 1, characterised in that: the film unreeling component (3) comprises an unreeling rack (3-1), one side of the unreeling rack (3-1) is provided with an unreeling support component, two lifting guide seats (3-10) which are arranged in parallel are further fixed on the unreeling rack (3-1), the upper ends of the two lifting guide seats (3-10) are rotatably provided with a film guide roller set, a sliding seat (3-11) capable of being adjusted in a lifting mode is respectively arranged in a sliding groove of each lifting guide seat (3-10) in a matched mode, a lifting adjusting roller set is rotatably arranged between the two sliding seats (3-11), and a rack mounting seat (3-2) is further fixed on the unreeling rack (3-1).

5. The film sleeving machine of claim 4, wherein: the film unreeling assembly (3) comprises an unreeling driving speed reducing motor (3-5), the unreeling driving speed reducing motor (3-5) is installed on one side of an unreeling rack (3-1), an unreeling driving wheel (3-3) is installed on an output shaft of the unreeling driving speed reducing motor (3-5), the unreeling driving wheel (3-3) is matched with an unreeling driven wheel (3-4), and an unreeling first supporting wheel (3-6) and an unreeling second supporting wheel (3-7) which are mutually matched and act are rotatably arranged on the other side of the unreeling rack (3-1);

the film guide roller set comprises three film guide rollers (3-8) which are arranged in parallel, the lifting adjusting roller set comprises two lifting adjusting rollers (3-9) which are arranged in parallel, and two ends of each lifting adjusting roller (3-9) are respectively and rotatably arranged on corresponding sliding seats (3-11);

the rack mounting seat (3-2) comprises an upper rack mounting seat and a lower rack mounting seat which are identical in structure, wherein the upper rack mounting seat comprises a transverse plate (3-2-1), two ends of the transverse plate (3-2-1) in the length direction are respectively fixed with a vertical plate (3-2-2), and through holes for connection are respectively arranged on the transverse plate (3-2-1) and the vertical plate (3-2-2) in a penetrating manner;

the vertical plate (3-2-2) is connected with the unreeling rack (3-1) through a reinforcing plate in a reinforcing mode.

6. A laminating machine according to claim 1, characterised in that: the sucker heat seal assembly (4) comprises a sucker structure and a heat seal structure;

the sucker structure comprises a sucker frame, wherein two ends of the sucker frame are respectively and rotatably provided with a transmission shaft (4-5) and a driven shaft (4-8), and the transmission shafts (4-5) are driven by a speed reduction motor (4-4) arranged on the sucker frame;

a driving synchronous belt wheel (4-3) of the transmission shaft (4-5) and a driven synchronous belt wheel (4-7) of the driven shaft (4-8) are tensioned with a conveying belt, an upper-layer belt body of the conveying belt is provided with a first sucker structure, a lower-layer belt body of the conveying belt is provided with a second sucker structure, and the first sucker structure and the second sucker structure are the same in structure;

the first sucker structure comprises a sucker seat, a sucker telescopic linear guide rail (4-6) is mounted on the sucker seat, a sucker moving slider is arranged on the sucker telescopic linear guide rail (4-6) in a sliding fit mode, a sucker connecting rod is mounted on the bottom surface of the sucker moving slider, a sucker component (4-1) is mounted on the sucker connecting rod, the sucker component (4-1) comprises a sucker base (4-1-10), a plurality of air distribution channels (4-1-14) are arranged on the sucker base (4-1-10) in parallel, an air distribution hole (4-1-13) is formed in the surface of one side of the sucker base (4-1-10) corresponding to each air distribution channel (4-1-14), an air distribution pipe (4-1-12) is fixed on the sucker base (4-1-10), and the air distribution pipe (4-1-12) is connected with each air distribution hole (4-1-13) in a sealing mode;

the other side surface of the sucker base (4-1-10) is respectively and uniformly provided with a plurality of base air suction holes (4-1-15) corresponding to each air distribution channel (4-1-14), the sucker base (4-1-10) is rotatably connected with the sucker opening and closing seat (4-1-20), the sucker base (4-1-10) is provided with a plurality of opening and closing seat air suction holes (4-1-22), each opening and closing seat air suction hole (4-1-22) is respectively communicated with one opening and closing seat air inlet hole (4-1-21), and after the sucker opening and closing seat (4-1-20) is closed with the sucker base (4-1-10), the opening and closing seat air inlet holes (4-1-21) are communicated with the side air holes (4-1-16) arranged on the sucker base (4-1-10);

the heat seal structure comprises a heat seal rack (4-9-1), wherein an open slot (4-9-13) for a film to pass through is formed in the heat seal rack (4-9-1), a first bakelite plate component is fixedly installed on one side of the open slot (4-9-13), a second bakelite plate component is movably arranged on the other side of the open slot (4-9-13), the second bakelite plate component can perform opening and closing movement relative to the first bakelite plate component, and the first bakelite plate component is provided with an electric heating wire (4-9-12);

a roller assembly is erected on the heat seal rack (4-9-1) corresponding to the upper parts of the first bakelite plate assembly and the second bakelite plate assembly; the film cutting assembly is used for cutting the upper part of the film heat sealing part;

the roller assembly comprises two groups of driving roller seats (4-9-17) fixed on the heat-seal rack (4-9-1), and the driving rollers (4-9-14) are rotatably supported between the two driving roller seats (4-9-17) and driven by speed reducing motors (4-9-16) arranged on the driving roller seats (4-9-17);

each driving roller seat (4-9-17) is provided with a sliding groove, a driven roller seat (4-9-18) is arranged in the sliding groove of the driving roller seat (4-9-17) in a sliding fit mode, a moving cylinder (4-9-19) is arranged on the driving roller seat (4-9-17), a piston rod of the moving cylinder (4-9-19) is connected with the driven roller seat (4-9-18), and a driven roller (4-9-15) is rotatably supported on the driven roller seat (4-9-18);

the driving roller seat (4-9-17) comprises a first driving roller mounting plate (4-9-17-1) and a second driving roller mounting plate (4-9-17-2), wherein a bottom plate of the first driving roller mounting plate (4-9-17-1) is mounted on the heat-sealing rack (4-9-1), the second driving roller mounting plate (4-9-17-2) is fixedly connected with the first driving roller mounting plate (4-9-17-1) through a bolt, and a sliding groove of the driving roller seat (4-9-17) is formed between the second driving roller mounting plate (4-9-17-2) and the first driving roller mounting plate (4-9-17-1);

the movable cylinder (4-9-19) is arranged on a vertical plate seat at the outer end of the second mounting plate (4-9-17-2) of the driving roller;

the film cutting assembly comprises a film cutting cylinder (4-9-20) arranged on the second bakelite plate assembly and a first film cutting knife (4-9-21) driven by the film cutting cylinder (4-9-20), and the first film cutting knife (4-9-21) can horizontally move relative to the first bakelite plate assembly;

a cutter groove (4-9-22) matched with the first film cutting cutter (4-9-21) is arranged on the second bakelite plate component;

two sliding rails (4-9-10) are arranged on the heat seal rack (4-9-1) in parallel, and rollers arranged at the bottom of the second bakelite plate component are matched with the sliding rails (4-9-10);

an opening and closing cylinder (4-9-4) is arranged on the heat seal rack (4-9-1), and the piston rod end of the opening and closing cylinder (4-9-4) is connected with the second bakelite plate component;

the first bakelite plate component comprises a fixed shell (4-9-3) and a first bakelite plate (4-9-6) fixedly arranged in the fixed shell (4-9-3);

the second bakelite plate component comprises a movable shell (4-9-2), and the movable shell (4-9-2) is fixedly provided with a second bakelite plate (4-9-5).

7. A laminating machine according to claim 6, characterised in that: the air distribution pipe (4-1-12) is connected with the air inlet main pipe (4-1-11), and the sucker base (4-1-10) is rotatably connected with the sucker opening and closing seat (4-1-20) through a hinge (4-1-40); the axial outer end of the air distribution channel (4-1-14) is provided with a plug (4-1-17), the side air hole (4-1-16) is arranged at the axial other end of the air distribution channel (4-1-14), the side air hole (4-1-16) is obliquely arranged, and the air inlet hole (4-1-21) of the opening and closing seat is obliquely arranged; the air cylinder (4-1-30) is hinged to an ear seat (4-1-50) arranged on the suction cup base (4-1-10), and the piston rod end of the air cylinder (4-1-30) is hinged to a connecting seat of the suction cup opening and closing seat (4-1-20).

8. A laminating machine according to claim 1, characterised in that: lifting unit (5) including rotate set up in grudging post (8) lower part bottom sprocket (5-1) and rotate set up in grudging post (8) upper portion drive sprocket (5-2) and auxiliary sprocket (5-3), chain (5-4) tensioning set up in on bottom sprocket (5-1), drive sprocket (5-2) and auxiliary sprocket (5-3), counter weight (5-5) are connected to chain (5-4) one side, self-locking subassembly (6) are connected to chain (5-4) opposite side, self-locking subassembly (6) cooperate with the self-locking groove on grudging post (8), film tensile subassembly (2) is connected in self-locking subassembly (6).

9. The film sleeving machine as recited in claim 8, wherein: the self-locking assembly (6) comprises a roller chain joint (6-3) hung at the lower end of a chain (5-4), a self-locking stop block (6-2) is rotationally connected in an open slot at the lower part of the roller chain joint (6-3), the self-locking stop block (6-2) is hinged with a self-locking shell (6-13), a spring seat (6-5) is fixedly connected to the inner wall of the self-locking shell (6-13), a spring (6-10) is arranged in the spring seat (6-5) in a matched mode, the inner end of the spring (6-10) is fixedly connected with a stop block ejector (6-9), and the outer end of the spring (6-10) is limited and fixed through a spring compression nut (6-4) connected to the self-locking shell (6-13);

one side of the lower part of the self-locking stop block (6-2), which is close to the stop block ejector (6-9), is provided with a self-locking surface (6-2-1), the other side of the lower part of the self-locking stop block (6-2) is provided with a limiting stop point (6-2-2), the limiting stop point (6-2-2) is matched with self-locking grooves (6-14) uniformly distributed on the self-locking stop block (6-11), and the outer end of the stop block ejector (6-9) is pressed on the self-locking surface (6-2-1); the self-locking stop block (6-2) is rotationally connected with the roller chain joint (6-3) through a first pin shaft (6-6), and a gasket (6-7) is arranged at the shaft end of the first pin shaft (6-6); the spring seat (6-5) is fixedly connected with the self-locking shell (6-13) through an inner hexagonal screw (6-1); the self-locking surface (6-2-1) is parallel to the length direction of the self-locking stop block (6-2); the self-locking shell (6-13) is rotatably connected with the self-locking stop block (6-2) through a second pin shaft (6-8); the spring seat (6-5) comprises a seat body and a sleeve portion integrally connected with the seat body, the spring (6-10) is arranged in the sleeve portion, and the stop block ejector (6-9) can compress the spring (6-10) to perform telescopic motion in the sleeve portion.

10. A laminating machine according to claim 1, characterised in that: the multi-station rotating assembly (1) comprises a slewing bearing arranged between a base (7) and a vertical frame (8) and a slewing driving motor arranged on the vertical frame (8), and the slewing driving motor drives the vertical frame (8) to rotate through the slewing bearing.

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