CN219116762U - Easily tensile film initiative material feeding unit - Google Patents

Abstract

The utility model provides an active feeding device for an easily-stretched film, which belongs to the technical field of film feeding and comprises a feeding mechanism, wherein the feeding mechanism comprises a support frame and a rotating shaft, the rotating shaft is rotationally connected with the support frame, a paper cylinder is sleeved on the rotating shaft, and a film is wound on the side wall of the paper cylinder; the film sequentially passes through a smoothing mechanism, a feeding mechanism and a tensioning mechanism and then reaches a compound shaft of the coating machine; the tensioning mechanism is used for tensioning the film in conveying; the feeding mechanism is used for controlling the stretching direction of the film; the flattening mechanism comprises two sets of flattening devices which are parallel to each other and have opposite running directions, and the flattening devices are used for flattening the folding parts of the films.

Description

Easily tensile film initiative material feeding unit

Technical Field

The utility model belongs to the technical field of film feeding, and particularly relates to an active feeding device for an easily-stretched film.

Background

The Chinese patent (application number: CN 202022862602.1) with publication number of CN214140875U proposes a conveying device for film coating equipment, comprising a base, wherein two sides of the top end of the base are fixed with frames, and a hood is arranged between the frames; according to the utility model, the first motor drives the double-end screw to rotate, so that the thread blocks on the double-end screw move and adjust the distance between the clamping plates, and further, the film sleeves with different widths are installed and fixed through the installation blocks, so that the device can be suitable for conveying films with different widths in the film coating process, the device is convenient to use, the equipment cost is reduced to a certain extent, the tension adjusting roller is driven by the hydraulic cylinder to rise and fall, the tension of the film in the conveying process is adjusted, the film relaxation is avoided, the coating quality of the film is ensured, the limiting deviation correcting plate is driven to move through the rotating handle, the limiting guide is carried out on the films with different widths, the deviation of the films in the film coating process is avoided, and the film is rolled more neatly after being coated.

The film easy to stretch (PE film, EVA film, PU film, etc.) is heated, atress is easy to deform, when carrying out hot melt adhesive coating operation, no matter directly scribble or the transfer coating all produces deformation easily, makes finished product material thickness and finished product material tension ratio be difficult to control, and foretell conveyor is when carrying the film, because the intermediate process axle is more, and the dynamics that easy to stretch film received when the pay-off is big, the deformation takes place easily.

Disclosure of Invention

In view of the above, the utility model provides an active feeding device for easily-stretched films, which can solve the technical problems that the easily-stretched films are high in stretching force and easy to deform during feeding.

The utility model is realized in the following way:

the utility model provides an active feeding device for an easily-stretched film, which comprises a feeding mechanism, wherein the feeding mechanism comprises a supporting frame and a rotating shaft, two ends of the rotating shaft are rotatably connected with the supporting frame, a paper cylinder is sleeved on the rotating shaft, the side wall of the paper cylinder is wound with the film, and one end of the rotating shaft is fixedly connected with a driving shaft of a speed reducing motor through a coupler; the film sequentially passes through a smoothing mechanism, a feeding mechanism and a tensioning mechanism and then reaches a compound shaft of the coating machine; the tensioning mechanism is used for tensioning the film in conveying; the feeding mechanism is used for controlling the stretching direction of the film; the flattening mechanism comprises two sets of flattening devices which are parallel to each other and have opposite running directions, and the flattening devices are used for flattening the folding parts of the films.

The position of the bottom quadrant point of the feeding roller is basically leveled with the position of the top quadrant point of the film wound on the paper tube through the feeding mechanism, so that the film between the discharging mechanism and the feeding mechanism is stretched along the basically horizontal direction, and further the smoothing mechanism is fully contacted with the lower surface of the film, and a good smoothing effect is achieved; the rotating shaft is directly driven to rotate by the gear motor, the rotating shaft is used as a driving shaft, and the running speed of the driving motor is adjusted to be matched with the running speed of the coating machine, so that the stretching force of the film material can be reduced to the maximum extent, the deformation of the film material is avoided, and the stability of the finished product material after the coating is finished is ensured; in addition, in the operation process from the discharging mechanism to the coating machine composite shaft, excessive process shafts are not arranged, the distance between a rotating shaft in the discharging mechanism and the coating machine composite shaft can be shortened, friction of a film in the operation process is reduced, meanwhile, the weight of the film material is reduced, and the probability of deformation of the film is reduced.

On the basis of the technical scheme, the active feeding device for the easily-stretched film can be further improved as follows:

the leveling device comprises a pair of conveying rollers, a mandrel is arranged at the center of the conveying roller positioned at one side, and a first driving motor is arranged at the end part of the mandrel; the surface of transfer roller has cup jointed the belt, the direction of travel of belt with the direction of transmission of film is mutually perpendicular, the surface equidistance of belt is equipped with a plurality of smooth boards.

By the aid of the flattening mechanism, the films are flattened by two sets of flattening devices with opposite directions, so that flattening effects are good, and coating effects are guaranteed; the film feeding device also has a deviation correcting function, so that the deviation of the moving track of the film caused by the smoothing step can be avoided, and the film can keep a preset advancing track.

Further, one end of the pacifier plate, which is far away from the belt, is provided with a brush, and the brush is in sliding connection with the film.

The paper tube comprises a paper tube body and is characterized in that fixing blocks are respectively arranged at two ends of the paper tube body, connecting holes which are in sliding fit with the rotating shaft are formed in the fixing blocks, and conical connecting portions which are matched with ports of the paper tube body are arranged at one ends, close to the paper tube body, of the fixing blocks.

The tensioning mechanism comprises a fixing frame and a tensioning rod, the bottom end of the tensioning rod is rotationally connected with the fixing frame, a tensioning roller is arranged at the top of the tensioning rod, and the side wall of the tensioning roller is connected with the surface of the film.

Tensioning the film to be reached to the film by a tensioning mechanism, so as to avoid swinging or folding caused by too loose film; and deformation caused by increased stretching force of the material due to overtightening of the film is avoided.

Further, limiting mechanisms for limiting the left and right movement of the film are arranged at two ends of the tensioning roller.

Further, the limiting mechanism comprises a limiting plate, a sleeve is coaxially arranged on the outer side of the limiting plate, and a mounting hole for fixedly connecting the limiting mechanism with the tensioning roller is formed in the sleeve.

Through the stop gear who sets up, have the function of rectifying, place the film and take place the skew in the operation process.

The feeding mechanism comprises a feeding roller, the feeding roller is driven by a second driving motor, and a rubber sleeve for clamping and conveying the film is arranged on the surface of the feeding roller.

The support frame is further provided with a mounting plate, the mounting plate is provided with a limit groove matched with the end part of the rotating shaft, and the bottom of the limit groove is provided with a roller matched with the rotating shaft in a rolling mode.

Through the gyro wheel that sets up, can make the pivot more smooth laborsaving when rotating, have mounting structure simple, the dismouting of the pivot of being convenient for is changed.

Further, the mounting plate comprises two parallel plate bodies, a gap for mounting the roller is arranged between the two plate bodies, and two ends of the roller are respectively connected with the plate bodies in a rotating mode.

Compared with the prior art, the active feeding device for the easily-stretched film has the beneficial effects that: the rotating shaft is directly driven to rotate by the gear motor, the rotating shaft is used as a driving shaft, and the running speed of the driving motor is adjusted to be matched with the running speed of the coating machine, so that the stretching force of the film material can be reduced to the maximum extent, the deformation of the film material is avoided, and the stability of the finished product material after the coating is finished is ensured; in addition, in the running process from the discharging mechanism to the composite shaft of the coating machine, excessive process shafts are not arranged, so that the distance between a rotating shaft in the discharging mechanism and the composite shaft of the coating machine can be shortened, friction of a film in the running process is reduced, meanwhile, the weight of the film material is reduced, and the probability of deformation of the film is reduced; by the aid of the flattening mechanism, the films are flattened by two sets of flattening devices with opposite directions, so that flattening effects are good, and coating effects are guaranteed; the film feeding device also has a deviation correcting function, so that the deviation of the moving track of the film caused by the smoothing step can be avoided, and the film can keep a preset advancing track.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings that are needed in the description of the embodiments of the present utility model will be briefly described below, it being obvious that the drawings in the following description are only some embodiments of the present utility model, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

FIG. 1 is a schematic diagram of the positions of the mechanisms in an active feeding device for easily stretchable films;

FIG. 2 is a schematic diagram of a discharging mechanism in an active feeding device for easily stretchable films according to the present utility model;

FIG. 3 is a schematic view of a tension roller in an active feeding device for easily stretchable films according to the present utility model;

FIG. 4 is a schematic view of a smoothing mechanism in an active feeding device for easily stretchable films according to the present utility model;

in the drawings, the list of components represented by the various numbers is as follows:

10. a discharging mechanism; 11. a support frame; 111. a mounting plate; 112. a roller; 12. a rotating shaft; 121. a paper tube; 122. a fixed block; 123. a tapered connection portion; 20. a feeding mechanism; 21. a feed roller; 22. a rubber sleeve; 30. a tensioning mechanism; 31. a fixing frame; 32. a tension rod; 321. a tension roller; 322. a limiting plate; 323. a sleeve; 40. a smoothing mechanism; 41. a conveying roller; 42. a belt; 43. a pacifying plate; 431. a brush; 80. a composite shaft of the coating machine; 90. a film.

Detailed Description

For the purpose of making the objects, technical solutions and advantages of the embodiments of the present utility model more apparent, the technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model, and it is apparent that the described embodiments are some embodiments of the present utility model, but not all embodiments. All other embodiments, based on the embodiments of the utility model, which are apparent to those of ordinary skill in the art without inventive faculty, are intended to be within the scope of the utility model.

Thus, the following detailed description of the embodiments of the utility model, as presented in the figures, is not intended to limit the scope of the utility model, as claimed, but is merely representative of selected embodiments of the utility model. All other embodiments, based on the embodiments of the utility model, which are apparent to those of ordinary skill in the art without inventive faculty, are intended to be within the scope of the utility model.

It should be noted that: like reference numerals and letters denote like items in the following figures, and thus once an item is defined in one figure, no further definition or explanation thereof is necessary in the following figures.

In the description of the present utility model, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the apparatus or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model.

Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more such feature. In the description of the present utility model, the meaning of "a plurality" is two or more, unless explicitly defined otherwise.

As shown in fig. 1-2, the utility model provides an active feeding device for easily-stretched films, which comprises a feeding mechanism 10, wherein the feeding mechanism 10 comprises a support frame 11 and a rotating shaft 12, two ends of the rotating shaft 12 are rotatably connected with the support frame 11, a paper cylinder 121 is sleeved on the rotating shaft 12, a film 90 is wound on the side wall of the paper cylinder 121, and one end of the rotating shaft 12 is fixedly connected with a driving shaft of a gear motor through a coupler; the film 90 sequentially passes through the smoothing mechanism 40, the feeding mechanism 20 and the tensioning mechanism 30 and then reaches the compound shaft 80 of the coating machine; the tensioning mechanism 30 is used for tensioning the film 90 in the conveying process; the feeding mechanism 20 is used for controlling the stretching direction of the film 90; the smoothing mechanism 40 includes two sets of smoothing devices parallel to each other and running in opposite directions for smoothing out the folded portions of the film 90.

When the device is used, a user firstly adjusts the running speed of a speed reducing motor to be matched with the running speed of a coating machine, the driving motor drives the rotating shaft 12 to rotate when running, at the moment, the film 90 firstly passes through the leveling mechanism 40, two leveling devices in the leveling mechanism 40 conduct bidirectional leveling on the film 90, the leveled film 90 respectively passes through the feeding mechanism 20 and the tensioning mechanism 30 and then reaches the coating machine composite shaft 80, when the film 90 passes through the tensioning mechanism 30, if the film 90 is too loose, the tensioning rod 32 in the tensioning mechanism 30 rotates upwards to jack up the film 90 between the feeding mechanism 20 and the coating machine composite shaft 80, and the film 90 is tensioned; if the film 90 is too tight, the tension rod 32 in the tension mechanism 30 rotates downward, and the film 90 between the feeding mechanism 20 and the coater composite shaft 80 is lowered, so that the film 90 is loosened; it should be noted that the gear motor may be 5IJ60RGU-CF; the first driving motor and the second driving motor can be 5IK90GU-CF.

In the above technical solution, the supporting frame 11 is further provided with a mounting plate 111, the mounting plate 111 is provided with a limit groove matched with the end of the rotating shaft 12, and the bottom of the limit groove is provided with a roller 112 in rolling fit with the rotating shaft 12.

Further, in the above technical solution, the mounting plate 111 includes two parallel plates, a gap for mounting the roller 112 is provided between the two plates, and two ends of the roller 112 are respectively connected with the plates in a rotating manner.

In the above technical solution, the two ends of the paper tube 121 are respectively provided with the fixing blocks 122, the fixing blocks 122 are provided with the connecting holes slidingly matched with the rotating shaft 12, and one end of the fixing block 122, which is close to the paper tube 121, is provided with the conical connecting portion 123 matched with the port of the paper tube 121.

In the above technical solution, the feeding mechanism 20 includes a feeding roller 21, the feeding roller 21 is driven by a second driving motor, and a rubber sleeve 22 for clamping and feeding the film 90 is disposed on the surface of the feeding roller 21.

When the feeding mechanism is used, the rotating speed of the second driving motor is adjusted, so that the rotating speed of the feeding roller 21 is matched with the rotating speed of the rotating shaft 12, and the feeding roller 21 can limit the upper and lower positions of the film 90 while conveying the film 90 forward, so that the film 90 passing through the space between the discharging mechanism 10 and the feeding mechanism 20 is kept horizontal.

As shown in fig. 3, in the above technical solution, the tensioning mechanism 30 includes a fixing frame 31 and a tensioning rod 32, the bottom end of the tensioning rod 32 is rotatably connected with the fixing frame 31, the top of the tensioning rod 32 is provided with a tensioning roller 321, and the side wall of the tensioning roller 321 is connected with the surface of the film 90.

Further, in the above-described technical solution, the two ends of the tension roller 321 are provided with a limiting mechanism for limiting the left-right movement of the film 90.

Further, in the above technical scheme, the limiting mechanism includes a limiting plate 322, a sleeve 323 is coaxially disposed on the outer side of the limiting plate 322, and a mounting hole for fixedly connecting the limiting mechanism with the tensioning roller 321 is formed in the sleeve 323.

As shown in fig. 4, in the above technical solution, the smoothing device includes a pair of conveying rollers 41, a mandrel is assembled at the center of the conveying roller 41 on one side, and the end of the mandrel is assembled with a first driving motor; the outer surface of the conveying roller 41 is sleeved with a belt 42, the running direction of the belt 42 is perpendicular to the transmission direction of the film 90, and a plurality of smoothing plates 43 are equidistantly arranged on the outer surface of the belt 42.

Further, in the above-mentioned technical solution, the end of the smoothing plate 43 far away from the belt 42 is provided with a brush 431, and the brush 431 is slidably connected with the film 90.

When the device is used, the driving motor rotates to drive the driving conveying roller 41 to rotate, the driven conveying roller 41 is driven to rotate under the transmission of the belt 42, the flat plate 43 arranged on the belt 42 moves along with the belt 42 in the running process, the hairbrush 431 at the top of the flat plate 43 contacts with the film 90 and then sweeps along the width direction of the film 90, and the two sets of flattening devices respectively flatten the film 90 along the opposite directions, so that the stress of the film 90 in the width direction is uniform.

Specifically, the principle of the utility model is as follows: when the device is used, a user firstly adjusts the running speed of a speed reducing motor to be matched with the running speed of a coating machine, the driving motor drives the rotating shaft 12 to rotate when running, at the moment, the film 90 firstly passes through the smoothing mechanism 40, the driving motor rotates to drive the driving conveying roller 41 to rotate, the driven conveying roller 41 is driven to rotate under the transmission of the belt 42, a smoothing plate 43 arranged on the belt 42 moves along with the belt 42 when running, a brush 431 arranged on the top of the smoothing plate 43 contacts with the film 90 and sweeps along the width direction of the film 90, two sets of smoothing devices smooth the film 90 respectively along the opposite directions, the flattened film 90 respectively passes through the feeding mechanism 20 and the tensioning mechanism 30 and then reaches the coating machine compound shaft 80, and when the film 90 passes through the tensioning mechanism 30, if the film 90 is too loose, a tensioning rod 32 in the tensioning mechanism 30 rotates upwards to jack the film 90 between the feeding mechanism 20 and the coating machine compound shaft 80, so that the film 90 is tensioned; if the film 90 is too tight, the tension lever 32 in the tension mechanism 30 is rotated downward, lowering the film 90 between the feed mechanism 20 and the coater complex shaft 80, so that the film 90 is loosened.

The foregoing is merely illustrative of the present utility model, and the present utility model is not limited thereto, and any person skilled in the art will readily recognize that variations or substitutions are within the scope of the present utility model. Therefore, the protection scope of the utility model is subject to the protection scope of the claims.

Claims (10)

1. The utility model provides an easy tensile film initiative material feeding unit, includes blowing mechanism (10), blowing mechanism (10) include support frame (11) and pivot (12), the both ends of pivot (12) with support frame (11) rotate and connect, the cover is equipped with fiber container (121) on pivot (12), twine on the lateral wall of fiber container (121) has film (90), its characterized in that, the one end of pivot (12) is through shaft coupling and gear motor's drive shaft fixed connection; the film (90) sequentially passes through the smoothing mechanism (40), the feeding mechanism (20) and the tensioning mechanism (30) and then reaches the compound shaft (80) of the coating machine; the tensioning mechanism (30) is used for tensioning the film (90) in conveying; the feeding mechanism (20) is used for controlling the stretching direction of the film (90); the flattening mechanism (40) comprises two sets of flattening devices which are parallel to each other and have opposite running directions, and the flattening devices are used for flattening the folding parts of the films (90).

2. An active feeding device for a stretchable film according to claim 1, wherein the smoothing device comprises a pair of transfer rollers (41), a mandrel is mounted at the center of the transfer roller (41) on one side, and a first driving motor is mounted at the end of the mandrel; the outer surface of the conveying roller (41) is sleeved with a belt (42), the running direction of the belt (42) is perpendicular to the transmission direction of the film (90), and a plurality of smoothing plates (43) are equidistantly arranged on the outer surface of the belt (42).

3. The active feeding device for the easily stretchable film according to claim 2, wherein a brush (431) is arranged at one end of the flattening plate (43) far away from the belt (42), and the brush (431) is slidably connected with the film (90).

4. The active feeding device for the easily-stretched film according to claim 1, wherein fixing blocks (122) are respectively arranged at two ends of the paper tube (121), connecting holes which are in sliding fit with the rotating shaft (12) are formed in the fixing blocks (122), and conical connecting portions (123) which are matched with ports of the paper tube (121) are arranged at one end, close to the paper tube (121), of the fixing blocks (122).

5. The active feeding device for the easily-stretched film according to claim 1, wherein the tensioning mechanism (30) comprises a fixing frame (31) and a tensioning rod (32), the bottom end of the tensioning rod (32) is rotationally connected with the fixing frame (31), a tensioning roller (321) is arranged at the top of the tensioning rod (32), and the side wall of the tensioning roller (321) is connected with the surface of the film (90).

6. The active feeding device for the easily stretchable film according to claim 5, wherein limiting mechanisms for limiting the left-right movement of the film (90) are arranged at two ends of the tensioning roller (321).

7. The active feeding device for the easily-stretched film according to claim 6, wherein the limiting mechanism comprises a limiting plate (322), a sleeve (323) is coaxially arranged on the outer side of the limiting plate (322), and a mounting hole for fixedly connecting the limiting mechanism with the tensioning roller (321) is formed in the sleeve (323).

8. The active feeding device for the easily stretchable film according to claim 1, wherein the feeding mechanism (20) comprises a feeding roller (21), the feeding roller (21) is driven by a second driving motor, and a rubber sleeve (22) for clamping and feeding the film (90) is arranged on the surface of the feeding roller (21).

9. The active feeding device for the easily-stretched film according to claim 1, wherein the supporting frame (11) is further provided with a mounting plate (111), the mounting plate (111) is provided with a limit groove matched with the end part of the rotating shaft (12), and the bottom of the limit groove is provided with a roller (112) in rolling fit with the rotating shaft (12).

10. The active feeding device for the easily stretchable film according to claim 9, wherein the mounting plate (111) comprises two parallel plates, a gap for mounting the roller (112) is arranged between the two plates, and two ends of the roller (112) are respectively connected with the plates in a rotating manner.

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