CN217496690U

CN217496690U - Packaging film tension adjusting mechanism for packaging machine

Info

Publication number: CN217496690U
Application number: CN202220932265.5U
Authority: CN
Inventors: 盛邦洪
Original assignee: Chongqing Abundance Brewing Co ltd
Current assignee: Chongqing Abundance Brewing Co ltd
Priority date: 2022-04-21
Filing date: 2022-04-21
Publication date: 2022-09-27
Anticipated expiration: 2032-04-21

Abstract

The utility model discloses a packaging film tension guiding mechanism for packagine machine, including film, direction roller, pendulum rod, mounting bracket, film installation roller is installed to mounting bracket upside front end, install two film retainer plates on the film installation roller, be provided with between the film retainer plate the film, film retainer plate front end is provided with lock nut, the lock nut front end is provided with the fine setting hand wheel, the outside winding of film installation roller has the tensioning belt, tensioning belt one end is connected on central remote lever, the tensioning belt other end is connected the pendulum rod. The utility model discloses utilize the cooperation of the automatic tensioning balancing weight of film balancing weight pendulum rod to adjust the elasticity of tensioning belt to can guarantee that the film can possess suitable elasticity from beginning to end on film installation roller and between the guide roller, utilize gravity to provide the regulating power, avoid artifical real-time inspection, improve the practicality.

Description

Packaging film tension adjusting mechanism for packaging machine

Technical Field

The utility model relates to a packaging film tension adjustment field especially relates to a packaging film tension guiding mechanism for packagine machine.

Background

The packaging machine is a machine for packaging products, and plays a role in protection and beauty. The packaging machine mainly comprises 2 aspects: 1. and 2, production line type integral production packaging, and product peripheral packaging equipment.

Most of common packaging machines adopt film packaging, but when the film is fed, the tension of the film is unstable due to external pulling force or inertia, so that the packaging is wrinkled or damaged.

SUMMERY OF THE UTILITY MODEL

An object of the present invention is to provide a tension adjusting mechanism for a packaging film of a packaging machine, which solves the above-mentioned problems.

The utility model discloses a following technical scheme realizes above-mentioned purpose:

the packaging film tension adjusting mechanism for the packaging machine comprises a film, a guide roller, a swing rod and a mounting frame, wherein the front end of the upper side of the mounting frame is provided with a film mounting roller, the film mounting roller is provided with two film fixing rings, the film is arranged between the film fixing rings, the front end of each film fixing ring is provided with a locking nut, the front end of each locking nut is provided with a fine adjustment hand wheel, a tensioning belt is wound outside the film mounting roller, one end of the tensioning belt is connected to a central remote rod, the other end of the tensioning belt is connected with the swing rod, the guide roller is arranged on the swing rod and the mounting frame, the other end of the swing rod is connected with the mounting frame through the central remote rod, the rear end of the central remote rod is connected with the swing rod of a balancing weight, and the swing rod of the balancing weight is provided with an automatic film tensioning balancing weight;

the swing rod is provided with a plurality of fixing holes which are linearly arranged, and one end of the tensioning belt penetrates through the fixing holes through a fixing bolt to be fixed with the swing rod.

Preferably: the tensioning belt is wound on the film installation roller by 190 degrees at the outside, and the tensioning belt is connected with the installation rack and the swing rod through screws.

So set up, through adjusting the tensioning of tensioning belt, then adjust the elasticity of film installation roller and film.

Preferably: the film passes between the two guide rollers.

According to the arrangement, the tightness of the film discharging is adjusted by utilizing the opening states of the two guide rollers.

Preferably: the automatic film tensioning balancing weight is connected with the balancing weight swing rod through a bolt, and the balancing weight swing rod is connected with the central remote rod through a key.

So set up, the automatic tensioning balancing weight of film cooperates the balancing weight pendulum rod is adjusted the elasticity of tensioning belt.

Preferably: the film fixing ring is connected with the film installation roller in a sliding mode, and the locking nut is connected with the film installation roller through threads.

So set up, the film retainer plate plays and presss from both sides tight the film effect, lock nut plays the fixed film retainer plate effect.

Preferably: the film fixing ring comprises a first film fixing ring and a second film fixing ring, and the second film fixing ring is connected with the film installation roller through threads.

The purpose of this setting lies in, is convenient for adjust the interval between the film retainer plate according to the specification of film, avoids the film retainer plate to slide relative to film installation roller simultaneously.

Preferably: the second film fixing ring is connected with the film installation roller in a sliding mode and is fixedly kept with the film installation roller through a first locking bolt, the two groups of guide rollers are rotatably connected with the oscillating bar and the mounting rack through a connecting shaft, and the guide rollers are connected with the connecting shaft in a sliding mode and are fixedly kept with the connecting shaft through a second locking bolt.

The purpose of this arrangement is to vary the spacing of the membrane relative to the mounting frame to accommodate different production requirements.

Preferably: the film mounting roller is provided with a first T-shaped groove, one end of a first locking bolt is arranged in the T-shaped groove, the connecting shaft is provided with a second T-shaped groove, and one end of a second locking bolt is arranged in the second T-shaped groove.

The purpose of this setting is that through the sliding guidance of T groove to direction roller and second film retainer plate and direction roller, improves the motion precision, and the locking bolt is blocked in the T groove simultaneously, avoids the locking bolt to deviate from.

Compared with the prior art, the beneficial effects of the utility model are as follows:

1. the film automatic tensioning balancing weight is matched with the balancing weight swing rod to adjust the tightness of the tensioning belt, so that the film can be ensured to have proper tightness on the film installation roller and between the guide rollers from beginning to end;

2. the gravity is utilized to provide adjusting force, manual real-time inspection is avoided, and the practicability is improved.

3. The fixing bolts are arranged in the fixing holes at different positions, and the positions of the guide rollers arranged on the swing rod can be adjusted to adapt to the packaging production with different requirements.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the description below are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without inventive labor.

Fig. 1 is a front view of a tension adjusting mechanism of a packaging film for a packaging machine according to the present invention;

fig. 2 is a left side view of a tension adjusting mechanism of a packaging film for a packaging machine according to the present invention;

fig. 3 is a rear view of a tension adjusting mechanism for a packaging film of the present invention.

FIG. 4 is a schematic view of the installation of the film retainer ring with the film mounting roll;

FIG. 5 is a schematic cross-sectional view of FIG. 4;

FIG. 6 is a schematic view of the construction of a guide roll;

FIG. 7 is a cross-sectional schematic view of FIG. 6;

the reference numerals are explained below:

1. a film; 2. a guide roller; 3. a swing rod; 3-1, fixing holes; 4. tensioning the belt; 5. finely adjusting a hand wheel; 6. locking the nut; 7. a film retainer ring; 7-1, a first film fixing ring; 7-2, a second film fixing ring; 8. installing a roller on the film; 8-1, a first T-shaped groove; 9. the film automatically tensions the balancing weight; 10. a mounting frame; 11. a central telemetry link; 12. a balancing weight swing rod; 13. fixing the bolt; 14. a connecting shaft; 14-1, a second T-shaped slot; 15. a first locking bolt; 16. and a second locking bolt.

Detailed Description

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are used merely for convenience of description and for simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention. Furthermore, the terms "first", "second", etc. are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first," "second," etc. may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless otherwise specified.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art through specific situations.

The present invention will be further explained with reference to the accompanying drawings:

example 1

As shown in fig. 1 to 3, a wrapping film tension adjusting mechanism for a wrapping machine, comprising a film 1, a guide roller 2, pendulum rod 3, mounting bracket 10, film installation roller 8 is installed to mounting bracket 10 upside front end, install two film retainer plates 7 on the film installation roller 8, be provided with film 1 between the

film retainer plate

7, 7 front ends in film retainer plate are provided with

lock nut

6, 6 front ends in lock nut are provided with fine setting hand wheel 5, the outside winding of film installation roller 8 has

tensioning belt

4, 4 one ends in tensioning belt are connected on central telebar 11, pendulum rod 3 is connected to the 4 other ends in tensioning belt, all install guide roller 2 on the pendulum rod 3 and on mounting bracket 10, the mounting bracket 10 is connected through central telebar 11 to the 3 other end in pendulum rod, 11 rear ends in central telebar are connected with balancing weight pendulum rod 12, be provided with the automatic tensioning balancing weight 9 of film on balancing weight pendulum rod 12.

Preferably: the film mounting roller 8 is wound by the tensioning belt 4 at an external 190 degrees, the tensioning belt 4 is connected with the mounting rack 10 and the swing rod 3 through screws, and the tightness of the film mounting roller 8 and the film 1 is further adjusted by adjusting the tensioning of the tensioning belt 4; the film 1 penetrates between the two guide rollers 2, and the tightness of the discharged material of the film 1 is adjusted by utilizing the opening state of the two guide rollers 2; the film automatic tensioning balancing weight 9 is connected with a balancing weight swing rod 12 through a bolt, the balancing weight swing rod 12 is connected with a central remote rod 11 through a key, and the film automatic tensioning balancing weight 9 is matched with the balancing weight swing rod 12 to adjust the tightness of the tensioning belt 4; the film fixing ring 7 is connected with a film mounting roller 8 in a sliding mode, the locking nut 6 is connected with the film mounting roller 8 through threads, the film fixing ring 7 plays a role of clamping a film 1, the locking nut 6 plays a role of fixing the film fixing ring 7, the film fixing ring 7 comprises a first film fixing ring 7-1 and a second film fixing ring 7-2, the second film fixing ring 7-2 is connected with the film mounting roller 8 through threads, the distance between the film fixing rings 7 is adjusted according to the specification of the film, meanwhile, the film fixing ring 7 is prevented from sliding relative to the film mounting roller 8, the second film fixing ring 7-2 is connected with the film mounting roller 8 in a sliding mode and is fixedly kept with the film mounting roller 8 through a first locking bolt 15, and the two groups of guide rollers 2 are rotationally connected with the swing rod 3 and the mounting rack 10 through a connecting shaft 14, the guide roller 2 is in sliding connection with the connecting shaft 14 and is fixed with the connecting shaft 14 through the second locking bolt 16, the distance between the film and the mounting frame 10 can be changed, so that different production requirements can be met, the first T-shaped groove 8-1 is formed in the film mounting roller 8, one end of the first locking bolt 15 is arranged in the T-shaped groove 8-1, the second T-shaped groove 14-1 is formed in the connecting shaft 14, one end of the second locking bolt 16 is arranged in the second T-shaped groove 14-1, and the guide roller 2, the second film fixing ring 7-2 and the guide roller 2 are guided in a sliding mode through the T-shaped groove, so that the movement precision is improved, meanwhile, the locking bolt is clamped in the T-shaped groove, and the locking bolt is prevented from being separated from the guide roller.

The working principle is as follows: elasticity of adjusting as required, change the position of film automatic tensioning balancing weight 9 on balancing weight pendulum rod 12, perhaps adjust balancing weight pendulum rod 12 in 11 one side of central telerod, utilize the gravity of film automatic tensioning balancing weight 9, overturn pendulum rod 3 through central telerod 11, thereby the tensioning belt 4 is dragged to the pendulum rod 3 that makes, make pendulum rod 3 brake film installation roller 8, simultaneously because be provided with guide roller 2 on the pendulum rod 3, guide roller 2 on the cooperation mounting bracket 10, pass film 1 after, carry out the rate of tension to film 1 and adjust.

The fixing bolt 13 is arranged in the fixing hole 3-1 at different positions, and the position of the guide roller 2 arranged on the swing rod 3 can be adjusted to adapt to the packaging production with different requirements.

The foregoing illustrates and describes the principles, general features, and advantages of the present invention. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention.

Claims

1. A packaging film tension adjustment mechanism for packagine machine, its characterized in that: the film installation device comprises a film (1), a guide roller (2), a swing rod (3) and an installation rack (10), wherein the film installation roller (8) is installed at the front end of the upper side of the installation rack (10), two film fixing rings (7) are installed on the film installation roller (8), the film (1) is arranged between the film fixing rings (7), a locking nut (6) is arranged at the front end of each film fixing ring (7), a fine adjustment hand wheel (5) is arranged at the front end of each locking nut (6), a tensioning belt (4) is wound outside the film installation roller (8), one end of each tensioning belt (4) is connected onto a central remote rod (11), the other end of each tensioning belt (4) is connected with the swing rod (3), the guide roller (2) is installed on the swing rod (3) and the installation rack (10), the other end of the swing rod (3) is connected with the installation rack (10) through the central remote rod (11), the rear end of the central remote rod (11) is connected with a balancing weight swing rod (12), and a thin film automatic tensioning balancing weight (9) is arranged on the balancing weight swing rod (12);

the swing rod (3) is provided with a plurality of fixing holes (3-1) which are linearly arranged, and one end of the tensioning belt (4) penetrates through the fixing holes (3-1) through fixing bolts (13) to be fixedly kept with the swing rod (3).

2. The wrapping film tension adjusting mechanism for a wrapping machine according to claim 1, wherein: the tensioning belt (4) is wound around the film installation roller (8) at 190 degrees outside, and the tensioning belt (4) is connected with the installation rack (10) and the swing rod (3) through screws.

3. The wrapping film tension adjusting mechanism for a wrapping machine according to claim 1, wherein: the film (1) passes between the two guide rollers (2).

4. The packaging film tension adjusting mechanism for a packaging machine according to claim 1, wherein: the automatic film tensioning balancing weight (9) is connected with the balancing weight swing rod (12) through a bolt, and the balancing weight swing rod (12) is connected with the central remote rod (11) through a key.

5. The wrapping film tension adjusting mechanism for a wrapping machine according to claim 1, wherein: the film fixing ring (7) is connected with the film mounting roller (8) in a sliding mode, and the locking nut (6) is connected with the film mounting roller (8) through threads.

6. The wrapping film tension adjusting mechanism for a wrapping machine according to claim 1, wherein: the film fixing ring (7) comprises a first film fixing ring (7-1) and a second film fixing ring (7-2), and the second film fixing ring (7-2) is connected with the film mounting roller (8) through threads.

7. The wrapping film tension adjusting mechanism for a wrapping machine according to claim 6, wherein: the second film fixing ring (7-2) is connected with the film mounting roller (8) in a sliding mode and is fixedly kept with the film mounting roller (8) through a first locking bolt (15), the two groups of guide rollers (2) are rotatably connected with the swing rod (3) and the mounting frame (10) through a connecting shaft (14), and the guide rollers (2) are connected with the connecting shaft (14) in a sliding mode and are fixedly kept with the connecting shaft (14) through a second locking bolt (16).

8. The wrapping film tension adjusting mechanism for a wrapping machine according to claim 7, wherein: the film mounting roller (8) is provided with a first T-shaped groove (8-1), one end of a first locking bolt (15) is arranged in the T-shaped groove (8-1), the connecting shaft (14) is provided with a second T-shaped groove (14-1), and one end of a second locking bolt (16) is arranged in the second T-shaped groove (14-1).