CN115302923B

CN115302923B - Film kraft paper set composite

Info

Publication number: CN115302923B
Application number: CN202211246242.XA
Authority: CN
Inventors: 周伟
Original assignee: Jiangsu Yisen New Materials Co ltd
Current assignee: Jiangsu Yisen New Materials Co ltd
Priority date: 2022-10-12
Filing date: 2022-10-12
Publication date: 2023-01-24
Anticipated expiration: 2042-10-12
Also published as: CN115302923A

Abstract

The invention discloses a thin film kraft paper compounding device which comprises a vertical frame, wherein one side of the vertical frame is rotatably provided with an unwinding roller, the other side of the vertical frame is provided with a winding roller, and one side of one unwinding roller is provided with a wrinkle removing mechanism; the wrinkle removing mechanism comprises a hot air element, an air outlet end of the hot air element is connected with an air guide pipe, a one-way valve is installed on the air guide pipe, an air deflector is connected to the end portion of the air guide pipe, the air deflector is detachably fixed on the vertical frame, and a plurality of spray holes communicated with the air guide pipe are distributed in an arc shape on the air deflector. According to the invention, the wrinkle removing mechanism is arranged, and once the air pressure of hot air is enough, the hot air blown out by the hot air fan or the hot air furnace in the wrinkle removing mechanism is overcome, so that the hot air passing through the air guide pipe is sprayed out from the spray holes to remove dampness on the two sides of the film, the moisture and the deformation degree in the film are reduced, and the wrinkle problem caused by the moisture absorption deformation of the film in the compounding process is prevented.

Description

Film kraft paper set composite

Technical Field

The invention belongs to the technical field of film paper compounding, and particularly relates to a thin film kraft paper compounding device.

Background

The composite roll film is a new roll film formed by compounding films of different materials through a compounding process, and has richer performance compared with other single roll films; one way of use is to laminate the film to kraft paper as a composite roll film. The general technological process includes unwinding kraft paper and film as base material with two unwinding rollers, gluing with gluing roller, compounding with compounding roller, and winding to obtain composite film.

The prior application number is CN201821115570.5, and discloses a water-glue compounding device for kraft paper packaging bags, which comprises a machine base and a supporting plate, wherein the machine base is provided with a pressing mechanism; two sides of the machine base are respectively provided with a supporting rod fixedly connected with the supporting plate; a circular groove is formed in the center of the top of the supporting plate, and a sucker facing the pressing mechanism is arranged on the circular groove; a disc is connected in the circular groove in a sliding way; the bottom of the supporting plate is provided with a threaded hole communicated with the circular groove, and a threaded rod fixedly connected with the disc is connected in the threaded hole in an internal thread manner; two sides of the machine base are respectively provided with a tensioning mechanism for limiting kraft paper;

although this technical scheme sets up the phenomenon that stop gear improved the kraft paper laminating dislocation through setting up the kraft paper, neglected the film and can take place the moisture absorption phenomenon at the composite process, especially when plum rain season and rainwater weather, the nylon film that the hygroscopicity is strong can the moisture absorption shrink deformation, leads to taking place the problem of fold in the compound roll membrane.

Disclosure of Invention

The invention aims to provide a film kraft paper compounding device, which solves the problem that a film absorbs moisture in the compounding process, and particularly a nylon film with strong moisture absorption can absorb moisture and shrink to deform in a plum rain season and a rain weather, so that wrinkles are generated in a compound roll film.

In order to achieve the purpose, the invention adopts the following technical scheme:

a film kraft paper compounding device comprises a vertical frame, wherein two unwinding rollers are rotatably mounted on one side of the vertical frame, two winding rollers are rotatably mounted on the other side of the vertical frame, a gluing roller and a pressing roller are sequentially arranged between the winding rollers and the unwinding rollers, guide rollers are arranged between the gluing roller and the pressing roller, and the unwinding rollers, and a wrinkle removing mechanism is arranged on one side of one of the unwinding rollers;

the wrinkle removing mechanism comprises a hot air element, an air outlet end of the hot air element is connected with an air guide pipe, a one-way valve is installed on the air guide pipe, an air deflector is connected to the end portion of the air guide pipe, the air deflector is detachably fixed on the vertical frame, and a plurality of spray holes communicated with the air guide pipe are distributed in an arc shape on the air deflector.

Preferably, one side of the air deflector, which faces the film, is also provided with a flattening mechanism, and the flattening mechanism is matched with the wrinkle removing mechanism to flatten the film.

Preferably, catch up with flat-bed machine and construct including two at least gluey poles, two gluey pole symmetric distribution is in the upper and lower both sides of film and paste tight contact with the film, one of them gluey pole deviates from one side of film and installs the top and push away spring, another one gluey pole is fixed on the grudging post, the top pushes away the spring and passes through the mounting panel to be fixed on the grudging post, gluey pole sets up the adult-shaped structure, just the roller is unreeled to the common end orientation of gluey pole.

Preferably, a set of magnetic elements is embedded into one side of each of the two rubber rods opposite to each other, each set of magnetic elements is distributed on the rubber rods at intervals, and the two sets of magnetic elements are attracted magnetically.

Preferably, a detection mechanism is arranged on the rubber rod above the rubber rod and used for detecting the thickness of the film.

Preferably, the detection mechanism comprises a detection cylinder, the detection cylinder is embedded into the bottom of the rubber rod above the detection cylinder at intervals, a detection head is slidably mounted in the detection cylinder, and a roller is hinged to the top of the detection head through a ball;

a spring is arranged between the bottom of the detection head and the wall of the detection barrel, a support head is embedded in the top of the rubber rod positioned below the spring, the support heads correspond to the detection heads one by one, and rollers are also hinged to the top of the support heads in a ball joint manner; the membrane to be detected is located between the detection head and the support head.

Preferably, be located the below the bottom fixed mounting of gluing the pole has the connecting rod, the bottom mounting of connecting rod has the telescopic link, the tip of telescopic link can be dismantled and is being connected the clearance component, the clearance component pastes tight deflector roll under the promotion of telescopic link and clears up.

Preferably, the cleaning element comprises an arc-shaped scraper, the arc-shaped scraper is attached to the guide roller, and a cotton fiber layer is arranged on the inner side face of the arc-shaped scraper.

Preferably, a buffer spring is fixed at the top of the arc-shaped scraper, and the top end of the buffer spring is fixedly connected with an inclined block.

Preferably, a clamping piece is bonded to the bottom end of one side, attached to the surface of the guide roller, of the inclined block, a V-shaped structure is arranged on one side, away from the inclined block, of the clamping piece, and the length of one side of the V-shaped structure is smaller than that of the other side, fixed to the inclined block.

The invention has the technical effects and advantages that: compared with the prior art, the thin film kraft paper compounding device provided by the invention has the following advantages:

1. according to the invention, the wrinkle removing mechanism is installed, hot air blown out of a hot air blower or a hot air furnace in the wrinkle removing mechanism is utilized, once the air pressure of the hot air is enough, the check valve is overcome and opened, so that the hot air passing through the air guide pipe is sprayed out from the spray holes, because of the arc-shaped structure of the air guide plate and the arc-shaped distribution of the spray holes, one part of the hot air is sprayed on the upper surface of the film on the unwinding roller, the other part of the hot air is sprayed on the bottom surface of the film in unwinding, and by utilizing the structural matching of the air guide plate and the spray holes, one surface of the film is enabled to be dehumidified on the unwinding roller, on the other hand, the moisture and deformation degree in the film are reduced, so that the wrinkle problem caused by the moisture absorption deformation of the film in the compounding process is prevented.

2. When the film subjected to hot air damp clearing meets the film flattening mechanism, the film is clamped by the two glue rods in the flattening mechanism from top to bottom, the common end of the glue rods firstly meets the conveyed film due to the fact that the glue rods are arranged in the herringbone structure, then the common end of the glue rods slides relatively along the two opened side wings of the glue rods, the upper glue rods and the lower glue rods are matched, the film is flattened by the glue rods from the middle to two sides gradually, the film kraft paper is further not prone to wrinkling after being compounded, the film can be extruded to be tightly attached to the glue rods below due to the fact that the glue rods above are under the thrust action of the pushing springs, the upper glue rods and the lower glue rods are enabled to be attached to the film all the time, and the continuous flattening effect on the film is guaranteed.

3. In order to further prevent the generation of the wrinkles of the coiled film, a detection mechanism is arranged before a flattening mechanism, the uncoiled film gradually contacts with detection heads which are distributed at equal intervals while being flattened by a glue rod, a supporting head is fixed, once the thickness of the film is greatly changed, the detection heads can be pushed by the film to displace in a detection cylinder, a distance sensor arranged on the top wall of the detection cylinder senses the change of the distance between the top end of the detection head and the detection cylinder, the thickness change of the surface film exceeds an acceptable range once the distance value exceeds an upper limit value and a lower limit value, the thickness difference of the film is too large and does not accord with the quality requirement of film compounding, the film is stopped and replaced by a new film, the controllable thickness difference value of the compounded film is ensured, the wrinkles of the coiled film after compounding is reduced, and the product quality of the compounded coiled film is improved.

Drawings

Fig. 1 is a schematic three-dimensional structure diagram according to an embodiment of the present invention.

Fig. 2 is a schematic view of an internal structure of the front view of the embodiment of the present invention.

Fig. 3 is a partially enlarged view of a portion a in fig. 2.

FIG. 4 is a schematic top view of a glue stick according to an embodiment of the invention.

Fig. 5 is a schematic structural view of an upper glue rod and a lower glue rod in the invention.

Fig. 6 is a sectional structural view of B-B in fig. 5.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely below, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. The specific embodiments described herein are merely illustrative of the invention and do not delimit the invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

The present invention provides a thin film kraft paper compounding device as shown in figures 1-6,

example 1:

the anti-wrinkle winding and unwinding device comprises a vertical frame 1, wherein two unwinding rollers 2 are rotatably arranged on one side of the vertical frame 1, two winding rollers 3 are rotatably arranged on the other side of the vertical frame, a gluing roller 4 and a pressing roller 5 are sequentially arranged between the winding rollers 3 and the unwinding rollers 2, guide rollers 6 are respectively arranged between the gluing roller 4 and the pressing roller 5 as well as between the unwinding rollers 2, and a wrinkle removing mechanism 7 is arranged on one side of one unwinding roller 2;

the wrinkle removing mechanism 7 comprises a hot air element 71, the hot air element 71 is an air heater or a hot air furnace, an air outlet end of the hot air element 71 is connected with an air guide pipe 72, a one-way valve is mounted on the air guide pipe 72, an air guide plate 73 is connected to the end portion of the air guide pipe 72, the air guide plate 73 is detachably fixed on the vertical frame 1, and a plurality of spray holes 74 communicated with the air guide pipe 72 are distributed on the air guide plate 73 in an arc shape. The problem that the nylon film with strong hygroscopicity absorbs moisture, shrinks and deforms to cause wrinkles in the composite roll film in plum rain seasons and rainy days is solved; according to the invention, the wrinkle removing mechanism 7 is installed, hot air blown out of a hot air blower or a hot air furnace in the wrinkle removing mechanism 7 is utilized, once the air pressure of the hot air is enough, the check valve is overcome and opened, so that the hot air passing through the air guide pipe 72 is sprayed out from the spray holes 74, because the arc-shaped structure of the air guide plate 73 and the arc-shaped distribution of the spray holes 74 are realized, one part of the hot air is sprayed on the upper surface of the film on the unwinding roller 2, the other part of the hot air is sprayed on the bottom surface of the unwinding film, the structural matching of the air guide plate 73 and the spray holes 74 is utilized, one surface of the film is subjected to damp clearing on the unwinding roller 2, on the other hand, the damp clearing is realized after unwinding, the double-surface damp clearing effect on the film is formed, the moisture and the deformation degree in the film are reduced, and the wrinkle problem caused by the damp clearing deformation of the film in the compounding process is further prevented.

One side of the air deflector 73 facing the film is also provided with a leveling mechanism 8, and the leveling mechanism 8 is matched with the wrinkle removing mechanism 7 to level the film.

Catch up with flat mechanism 8 and include two at least gluey poles 81, two glue pole 81 symmetric distribution and paste tight contact in the upper and lower both sides of film and with the film, one of them glue pole 81 and deviate from one side of film and install the top and push away spring 82, another one glue pole 81 and fix on grudging post 1, top and push away spring 82 and pass through the mounting panel and fix on grudging post 1, glue pole 81 and set up adult style of calligraphy structure 83, just the common end orientation of gluing pole 81 is unreeled roller 2.

Preferably, a set of magnetic elements 84 is embedded in the opposite sides of the two glue rods 81, each set of magnetic elements 84 is distributed on the glue rods 81 at intervals, and the two sets of magnetic elements 84 are magnetically attracted to each other. When the film subjected to hot air damp clearing meets the flattening mechanism 8, the two glue rods 81 in the flattening mechanism 8 vertically clamp the film, the glue rods 81 are provided with the herringbone structures 83, so that the common ends of the glue rods 81 firstly meet the conveyed film, then the glue rods slide relatively along the opened two side wings of the glue rods 81, the upper glue rod 81 and the lower glue rod 81 are matched, the film is gradually flattened from the middle to the two sides by the glue rods 81, the film kraft paper is further not prone to wrinkling after being compounded, and the glue rods 81 positioned above are under the thrust action of the pushing springs 82, the film can be extruded to be tightly attached to the glue rods 81 below, so that the upper glue rod 81 and the lower glue rod 81 are always attached to the film, and the continuous flattening effect of flattening the film is ensured;

through two the inside embedding magnetism of one side that glues the pole 81 and is inhaled magnetic element 84 mutually, under magnetic element 84's common magnetic force effect, adsorb the gluey pole 81 laminating of top and the gluey pole 81 laminating of below, increase between them degree of hugging closely for the film is unreeled the in-process, glues pole 81 and pastes and tightly carry out abundant flat operation of catching up with on the film, and it is better to catch up with the effect.

Example 2:

and a detection mechanism 9 is arranged on the rubber rod 81 above the rubber rod, and the detection mechanism 9 is used for detecting the thickness of the film.

The detection mechanism 9 comprises a detection cylinder 91, the detection cylinder 91 is embedded into the bottom of the rubber rod 81 positioned above at intervals, a detection head 92 is arranged in the detection cylinder 91 in a sliding manner, and a roller 93 is hinged to the top ball of the detection head 92;

a spring is arranged between the bottom of the detection head 92 and the wall of the detection barrel 91, a support head 94 is embedded into the top of the rubber rod 81 positioned below, the support heads 94 correspond to the detection heads 92 one by one, and a roller 93 is also in ball hinge joint with the top of the support head 94; the film to be inspected is positioned between inspection head 92 and support head 94. Because the thickness of the film is uneven, and the difference between the thickness and the thickness is too large and is one of the reasons causing the compound film to wrinkle, in order to further prevent the wrinkle of the roll film, the detection mechanism 9 is installed before the flatting mechanism 8, the film in unreeling gradually contacts with the detection heads 92 distributed at equal intervals while being flatly driven by the glue rod 81, the support head 94 is fixed, once the thickness of the film is greatly changed, the detection head 92 is pushed by the film to displace in the detection cylinder 91, the distance sensor 95 installed on the top wall of the detection cylinder 91 senses the change of the distance between the top end of the detection head 92 and the detection cylinder 91, in short, the top of the detection head 92 moves upwards to indicate the thickness of the film, the top of the detection head 92 moves downwards to indicate the thinning of the thickness of the film, the change of the thickness of the film is sensed according to the change of the detected distance value, the upper limit value and the lower limit value are set in advance, once the distance value exceeds the upper limit value and the lower limit value, the change of the thickness of the surface film exceeds the acceptable range, the difference of the thickness of the film is too large difference, the film is not in line with the quality requirement of the compound film, the compound film is stopped and the difference of the compound film is ensured, and the quality of the compound film is reduced, and the compound film is further the quality of the compound roll film is improved;

the detection heads 92 are distributed on the rubber rods 81 at equal intervals, so that the film can be leveled by the leveling mechanism 8, the thickness of the film can be detected, and compared with the detection of the thickness of the film by an additional monitoring point, the detection mechanism 9 is supported on the leveling mechanism 8, so that the installation space is saved, the film can be installed in advance, and the installation difficulty is reduced; meanwhile, the multipoint distribution mode of the detection head 92 on the glue rod 81 can enlarge a larger detection range of the surface of the film compared with single-point distribution detection, and the obstruction of film unwinding can be reduced by matching with the installation of the roller 93.

Example 3:

the bottom fixed mounting that is located the below glue pole 81 has connecting rod 10, the bottom mounting of connecting rod 10 has telescopic link 11, cleaning element 12 can be dismantled and be connected to the tip of telescopic link 11, cleaning element 12 pastes tight guide roller 6 and clears up under the promotion of telescopic link 11. Through the cooperation of connecting rod 10 and the telescopic link 11 of installation, telescopic link 11 is electronic or pneumatic, at the time of catch-up and flat mechanism 8 and detection mechanism 9 carry out the during operation, synchronous telescopic link 11 is automatic to be extended, the clearance component 12 of up to end connection pastes and tightly arrives guide roller 6 surface position, when guide roller 6 rotates the direction film, clearance component 12 is fixed motionless, thereby relative motion between them has been formed, guide roller 6 is cleared up by clearance component 12 passively, thereby get rid of the foreign matter that glues on guide roller 6 surface, prevent because guide roller 6 surface glues there is the foreign matter, the phenomenon that leads to the compound back fold of film takes place, the quality of compound roll membrane has further been guaranteed.

The cleaning element 12 comprises an arc-shaped scraper 121, the arc-shaped scraper 121 is attached to the guide roller 6, and a cotton fiber layer 122 is arranged on the inner side surface of the arc-shaped scraper 121. The inner curved surface of the arc-shaped scraper blade 121 can be more attached to the surface of the guide roller 6, and can apply pressure to the cotton fiber layer 122 on the surface of the guide roller 6, so that when the guide roller 6 moves relative to the arc-shaped scraper blade 121, foreign matters adhered to the surface of the guide roller 6 are removed to the greatest extent by the cotton fiber layer 122, and the occurrence of wrinkles after the film is compounded is reduced.

A buffer spring 123 is fixed on the top of the arc-shaped scraper 121, and the top end of the buffer spring 123 is fixedly connected with an oblique block 124. In order to prevent that the guide roller 6 from being stained with the foreign matter too firmly, consequently the tip of arc scraper blade 121 sets up the sloping block 124 of striking the foreign matter in advance, utilize the sloping block 124 strike the foreign matter earlier and then pass through the action of scraping at arc scraper blade 121 top, strike many times under two liang of mating reactions and can the at utmost smash the striking with the foreign matter and drop, get rid of through the ending of cotton fiber layer 122 again, thereby the foreign matter that 6 surfaces of comparatively thorough removal guide roller are stained with, further reduce the emergence of the compound back fold of film.

A clamping piece 125 is bonded to the bottom end of one side, attached to the surface of the guide roller 6, of the inclined block 124, one side, away from the inclined block 124, of the clamping piece 125 is arranged to be in a V-shaped structure, and the length of one side of the V-shaped structure is smaller than that of the other side, fixed to the inclined block 124. The card 125 is arranged to form a small hook on the V-shaped card 125 after the inclined block 124 strikes the foreign matter, so that the foreign matter is pulled and separated, the cracking process of the foreign matter is accelerated, the foreign matter adhered to the surface of the guide roller 6 is removed by the double pipes, and the wrinkles after the thin film is compounded are further reduced.

In the description of the present invention, it should be noted that the terms "upper", "lower", "left", "right", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience in describing the present invention and simplifying the description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, those skilled in the art can still make modifications to the technical solutions described in the foregoing embodiments, or make equivalent substitutions for some technical features, and any modifications, equivalents, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides a film kraft paper set composite, includes grudging post (1), its characterized in that: two unwinding rollers (2) are rotatably mounted on one side of the vertical frame (1), two winding rollers (3) are rotatably mounted on the other side of the vertical frame, a gluing roller (4) and a pressing roller (5) are sequentially arranged between the winding rollers (3) and the unwinding rollers (2), guide rollers (6) are arranged between the gluing roller (4) and the pressing roller (5) as well as between the unwinding rollers (2), and a wrinkle removing mechanism (7) is arranged on one side of one unwinding roller (2);

the wrinkle removing mechanism (7) comprises a hot air element (71), an air outlet end of the hot air element (71) is connected with an air guide pipe (72), a one-way valve is mounted on the air guide pipe (72), an air guide plate (73) is connected to the end part of the air guide pipe (72), the air guide plate (73) is detachably fixed on the vertical frame (1), and a plurality of spray holes (74) communicated with the air guide pipe (72) are distributed on the air guide plate (73) in an arc shape;

one side of the air deflector (73) facing the film is also provided with a flattening mechanism (8), and the flattening mechanism (8) is matched with the wrinkle removing mechanism (7) to flatten the film;

distribute through aviation baffle (73) arc structure and orifice (74) arc to partly spout the film upper surface on unreeling roller (2), the film bottom surface of unreeling is spouted to another part, utilize the structure cooperation of aviation baffle (73) and orifice (74), make the one side of film dispel the damp on unreeling roller (2), on the other hand unreels the back and is dispelled the damp, form the two-sided effect of dispelling the damp to the film.

2. The film kraft paper compounding device of claim 1, wherein: catch up with flat-bed machine and construct (8) and include two at least glue pole (81), two glue pole (81) symmetric distribution in the upper and lower both sides of film and paste the close contact with the film, one of them glue pole (81) and deviate from one side of film and install top push spring (82), another one glue pole (81) and fix on grudging post (1), top push spring (82) are fixed on grudging post (1) through the mounting panel, glue pole (81) set up adult style of calligraphy structure (83), just roll (2) are unreeled to the common end orientation of gluing pole (81).

3. The film kraft paper compounding device of claim 2, wherein: two a set of magnetic element (84) have all been embedded to glue pole (81) relative one side inside, and every group magnetic element (84) all interval distribution is on gluing pole (81), and magnetism looks is inhaled between two sets of magnetic element (84).

4. The film kraft paper compounding device of claim 2, wherein: and the glue rod (81) positioned above is provided with a detection mechanism (9), and the detection mechanism (9) is used for detecting the thickness of the film.

5. The thin film kraft paper composite apparatus according to claim 4, wherein: the detection mechanism (9) comprises a detection cylinder (91), the detection cylinder (91) is embedded into the bottom of the rubber rod (81) positioned above the detection cylinder at intervals, a detection head (92) is arranged in the detection cylinder (91) in a sliding mode, and a roller (93) is hinged to the top ball of the detection head (92);

a spring is arranged between the bottom of the detection head (92) and the wall of the detection barrel (91), support heads (94) are embedded into the top of the rubber rod (81) positioned below, the support heads (94) correspond to the detection head (92) one by one, and rollers (93) are also hinged to the top of the support heads (94) in a ball joint manner; the membrane to be detected is located between the detection head (92) and the support head (94).

6. The thin film kraft paper composite apparatus according to any one of claims 2-5, wherein: be located the below the bottom fixed mounting of gluing pole (81) has connecting rod (10), the bottom mounting of connecting rod (10) has telescopic link (11), clearance component (12) can be dismantled and be connected to the tip of telescopic link (11), clearance component (12) are cleared up in tight deflector roll (6) of clinging under the promotion of telescopic link (11).

7. The thin film kraft paper composite apparatus according to claim 6, wherein: the cleaning element (12) comprises an arc-shaped scraper (121), the arc-shaped scraper (121) is attached to the guide roller (6), and a cotton fiber layer (122) is arranged on the inner side face of the arc-shaped scraper (121).

8. The film kraft paper compounding device of claim 7, wherein: a buffer spring (123) is fixed to the top of the arc-shaped scraper (121), and an inclined block (124) is fixedly connected to the top end of the buffer spring (123).

9. The film kraft paper compounding device of claim 8, wherein: card (125) have been bonded to sloping block (124) and one side bottom of deflector roll (6) surface laminating, V type structure is set to one side that card (125) deviate from sloping block (124), and one side length among them of V type structure is less than the length of fixing in addition on sloping block (124).