CN113291893B

CN113291893B - Deviation rectifying and winding device for film blowing machine and deviation rectifying shaft thereof

Info

Publication number: CN113291893B
Application number: CN202110767306.XA
Authority: CN
Inventors: 张岩; 徐文燕; 王方雄; 陈传柱
Original assignee: Henan University of Animal Husbandry and Economy
Current assignee: Henan University of Animal Husbandry and Economy
Priority date: 2021-07-07
Filing date: 2021-07-07
Publication date: 2023-04-18
Anticipated expiration: 2041-07-07
Also published as: CN113291893A

Abstract

The invention discloses a deviation rectifying and winding device for a film blowing machine and a deviation rectifying shaft thereof, wherein the deviation rectifying and winding device comprises a winding shaft; the shaft sleeve is arranged on the winding shaft in a sliding manner through key connection; the air bag is arranged between the winding shaft and the shaft sleeve; wherein, an air transmission channel is arranged in the winding shaft, and one end of the air transmission channel is connected with the air bag; a sliding sleeve is arranged in the shaft sleeve, and a first convex ring is arranged at one end of the sliding sleeve. Has the beneficial effects that: the two air transmission channels respectively enter from one end of the winding shaft and are output from a boss formed by the second convex ring and the winding shaft, meanwhile, the shaft sleeve is sleeved on the winding shaft to form an air bag cavity, air is input through the air transmission channels, the pressure in the air bag cavity is increased, and the air pressure can push the shaft sleeve to enable the shaft sleeve to slide on the winding shaft; therefore, in the process of rolling the film, if the film deviates, the sliding direction of the shaft sleeve can be controlled by the size of the operation air pressure.

Description

Deviation rectifying and winding device for film blowing machine and deviation rectifying shaft thereof

Technical Field

The invention relates to a deviation rectifying and winding device for a film blowing machine and a deviation rectifying shaft thereof, and belongs to the field of production equipment of film blowing machines.

Background

At present, the plastic film manufacturing industry is rapidly developing along with the increasingly wide application of the plastic film in life. Existing plastic films are typically manufactured using a film blowing machine.

The film blowing machine is a special device for blowing plastic particles into a film after the plastic particles are heated and melted. The film blowing machine filters the molten plastic through a machine head by an extruder, then extrudes the plastic through a heated die head, cools and blows the plastic into film bubbles through an inner cold air ring and an outer cold air ring, and collects the plastic film through a bubble stabilizing frame, a herringbone plate, a traction roller and a curling device.

The device is limited by the problems of parallelism between different rolling shafts, mounting precision between parts and the like, and the deviation is easy to occur in the film rolling process, so that the phenomenon of uneven layers occurs in the rolling process, and the normal rolling of the film is influenced.

However, because the elasticity of the plastic film is very large, if the rolling shafts deviate, the rolling of the film can be greatly influenced, the existing equipment for electronically measuring the deviation of the film is very accurate, but the response of mechanical equipment needs some time, and the response time is very slow compared with the deformation of the film, so that a deviation correcting device which can quickly respond and has very high precision is needed to correct the deviation of the plastic film, and meanwhile, an emergency response is needed to the large-range deviation of the plastic film.

Disclosure of Invention

The invention aims to provide a deviation rectifying and winding device for a film blowing machine and a deviation rectifying shaft thereof, which can effectively solve the problems of slow reaction time and low deviation rectifying precision of deviation rectifying equipment.

In order to solve the technical problems, the invention is realized by the following technical scheme:

a winding shaft; the shaft sleeve is arranged on the winding shaft in a sliding manner through key connection; the air bag is arranged between the winding shaft and the shaft sleeve; wherein, an air transmission channel is arranged in the winding shaft, and one end of the air transmission channel is connected with the air bag; the air bag winding mechanism is characterized in that a sliding sleeve is arranged in the shaft sleeve, one end of the sliding sleeve is provided with a first convex ring, a second convex ring is arranged on the winding shaft, one end of the first convex ring is matched with the opposite surface of the second convex ring, the inner wall of the shaft sleeve is matched with the outer wall of the winding shaft, and an air bag cavity of the air bag is formed.

Preferably: a telescopic structure is further arranged between the first convex ring and the second convex ring, and comprises a base ring and a telescopic ring arranged in the base ring in a sliding manner; the base ring inner wall with the sliding sleeve inner wall aligns, just telescopic ring inner wall is close to base ring inner wall.

Preferably: the other end of the sliding sleeve is flush with one end face of the shaft sleeve; the winding shaft is provided with a spline, the sliding sleeve is provided with a sliding groove matched with the spline, and the sliding groove is close to the winding shaft.

Preferably, the following components: the shaft sleeve is composed of two sleeves with the same diameter and in butt joint, wherein one end of one sleeve is tightly attached to the inner ring and provided with a bottom ring, one end of the other sleeve is tightly attached to the outer ring and provided with a lantern ring, and corresponding fixing holes are formed in the bottom ring and the lantern ring.

Preferably: and an anti-slip layer is laid on the outer side of the shaft sleeve.

The technical scheme of the deviation rectifying and winding device for the film blowing machine is as follows: including as above-mentioned rolling axle, still include big precision adjusting device, big precision adjusting device includes the bottom plate, the bottom plate upper end is provided with movable plate and fixed plate, the rolling axle both ends are provided with the frame plate, and one of them frame plate setting is in the movable plate upper end, another setting is in the fixed plate upper end.

Preferably: the movable plate passes through the drive arrangement drive, drive arrangement is including setting up erection column on the bottom plate, erection column one side is fixed with the motor, the motor output is connected with the pinion, the meshing has the gear wheel on the pinion, the key connection has the screw rod on the gear wheel, screw rod one end is rotated and is connected on the movable plate.

Preferably: the bottom plate is provided with a sliding plate, and the lower end of the movable plate is provided with a sliding groove matched with the sliding plate.

Preferably: a first rotating shaft is arranged at the position close to the edge of the lower end of the frame plate at the upper end of the moving plate, and one end of the first rotating shaft is rotatably connected to the moving plate; and a second rotating shaft is arranged at the lower end of the frame plate at the upper end of the fixing plate and is rotatably arranged in the fixing plate.

Compared with the prior art, the invention has the advantages that:

the two air transmission channels respectively enter from one end of the winding shaft and are output from a boss formed by the second convex ring and the winding shaft, meanwhile, the shaft sleeve is sleeved on the winding shaft to form an air bag cavity, air is input through the air transmission channels, the pressure in the air bag cavity is increased, and the air pressure can push the shaft sleeve to enable the shaft sleeve to slide on the winding shaft; therefore, in the process of rolling the film, if the film deviates, the sliding direction of the shaft sleeve can be controlled by operating the air pressure; and the pressure difference value borne by the second convex ring of the shaft sleeve can be ensured by controlling the pressure in the two air bag cavities, and the sliding distance of the shaft sleeve can be controlled.

Drawings

For ease of illustration, the invention is described in detail by the following detailed description and the accompanying drawings.

FIG. 1 is a perspective view of the winding device of the present invention;

FIG. 2 is a perspective view of the wind-up shaft of the present invention;

FIG. 3 is a perspective view of the bushing of the present invention;

FIG. 4 is a front view of a take-up reel of the present invention;

FIG. 5 is a front view of the bushing of the present invention;

FIG. 6 is a cross-sectional view of a take-up spool of the present invention;

FIG. 7 is a cross-sectional view of a sleeve of the present invention;

FIG. 8 is a cross-sectional view of the wrap-up spindle sleeve of the present invention in combination;

FIG. 9 is an enlarged view of the invention at A;

FIG. 10 is a view showing the positional relationship between the first and second rotary shafts of the present invention mounted on the bottom surface of the clamp plate;

fig. 11 is a partial cross-sectional view of the moving plate of the present invention.

Description of reference numerals:

1. a winding shaft; 2. a shaft sleeve; 3. an air bag; 4. a gas transmission channel; 5. a sliding sleeve; 6. a first convex ring; 7. a second convex ring; 8. a telescopic structure; 9. a base ring; 10. a telescopic ring; 11. a chute; 12. a large-precision adjusting device; 13. a base plate; 14. moving the plate; 15. a fixing plate; 16. a frame plate; 17. mounting a column; 18. an electric motor; 19. a pinion gear; 20. a bull gear; 21. a screw; 22. a slide plate; 23. a first rotating shaft; 24. a second axis of rotation.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings. The embodiments described below with reference to the drawings are illustrative and intended to be illustrative of the invention and are not to be construed as limiting the invention.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. indicate orientations or positional relationships based on those 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 so referred to must have a particular orientation, be constructed in a particular orientation, and be operated, and thus should not be considered as limiting the present invention.

Furthermore, the terms "first", "second" and "first" 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" or "second" may explicitly or implicitly include at least one such feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally formed; may be mechanically coupled, may be electrically coupled or may be in communication with each other; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

Referring to fig. 1-11, which are an embodiment of the deviation rectifying and winding device and the deviation rectifying shaft thereof for the film blowing machine, the winding shaft 1 is provided; the shaft sleeve 2 is arranged on the winding shaft 1 in a sliding mode through key connection; the air bag 3 is arranged between the winding shaft 1 and the shaft sleeve 2; wherein, an air transmission channel 4 is arranged in the winding shaft 1, and one end of the air transmission channel 4 is connected with the air bag 3; be provided with sliding sleeve 5 in the

axle sleeve

2, 5 one end of sliding sleeve is provided with first bulge loop 6, be provided with second bulge loop 7 on the rolling

axle

1, 6 one end of first bulge loop with the 7 opposite face cooperations of second bulge loop 2 inner wall of axle sleeve with 1 outer wall of rolling axle forms the setting the gasbag chamber of gasbag 3.

In the device, two air transmission channels 4 are respectively arranged and enter from one end of the winding shaft 1 and are output from a boss position formed by the second convex ring 7 and the winding shaft 1, meanwhile, because the shaft sleeve 2 is sleeved on the winding shaft 1 to form an air bag cavity, air is input through the air transmission channels 4, the pressure intensity in the air bag cavity is increased, the air pressure can push the shaft sleeve 2, and the shaft sleeve 2 can slide on the winding shaft 1; in the process of rolling the film, if the film deviates, the sliding direction of the shaft sleeve 2 can be controlled through the magnitude of the operation air pressure; and the pressure difference value borne by the second convex ring 7 of the shaft sleeve 2 can be ensured by controlling the pressure in the two air bag cavities, the sliding distance of the shaft sleeve 2 can be controlled, and the operation is simple.

Preferably: the shaft sleeve 2 is composed of two sleeves with the same diameter and in butt joint, wherein one end of one sleeve is tightly attached to the inner ring and provided with a bottom ring, one end of the other sleeve is tightly attached to the outer ring and provided with a lantern ring, and corresponding fixing holes are formed in the bottom ring and the lantern ring.

So set up, change the mounting means of axle sleeve 2 into aggregate erection, can make things convenient for axle sleeve 2 to install on rolling axle 1 like this.

An expansion structure 8 is further arranged between the first convex ring 6 and the second convex ring 7, and the expansion structure 8 comprises a base ring 9 and an expansion ring 10 which is arranged in the base ring 9 in a sliding manner; the inner wall of the base ring 9 is aligned with the inner wall of the sliding sleeve 5, and the inner wall of the telescopic ring 10 is close to the inner wall of the base ring 9.

When the sleeve is installed, one end of the telescopic ring 10 is welded on the first convex ring 6 of the winding shaft 1, so that the air bag cavity becomes a sealed space, when air is filled into the air bag cavity, the air pressure drives the shaft sleeve 2 to slide, the telescopic ring 10 slides relative to the base ring 9, and sealing is guaranteed all the time.

The other end of the sliding sleeve 5 is flush with one end face of the shaft sleeve 2; the winding shaft 1 is provided with a spline, and the sliding sleeve 5 is provided with a sliding groove 11 matched with the spline.

Utilize the setting of spline, make things convenient for the sleeve to directly overlap and establish on rolling axle 1 to can carry out pivoted in-process can be better at rolling axle 1 and drive the sleeve and rotate.

Preferably: and an anti-skid layer is laid on the outer side of the shaft sleeve 2.

This device is mainly used for carrying out the rolling operation to the film of inflation film manufacturing machine production to because telescopic setting makes 2 middle production gaps of axle sleeve, utilize on the one hand of skid resistant course can increase with the frictional force of film, on the other hand can cover the gap on the axle sleeve 2, conveniently carries out the rolling operation to the film.

The large-precision adjusting device 12 further comprises a large-precision adjusting device 12, wherein the large-precision adjusting device 12 comprises a bottom plate 13, a moving plate 14 and a fixed plate 15 are arranged at the upper end of the bottom plate 13, frame plates 16 are arranged at two ends of the winding shaft 1, one frame plate 16 is arranged at the upper end of the moving plate 14, and the other frame plate is arranged at the upper end of the fixed plate 15; the take-up reel 1 is rotatably disposed between the frame plates 16.

The arrangement of the upper shaft sleeve 2 of the winding shaft 1 can perform small deviation rectifying operation on the film winding by using an air pressure adjusting mode, and the large-precision adjusting device 12 can perform large-amplitude deviation rectifying operation on the film winding.

The movable plate 14 is driven by a driving device, the driving device comprises a mounting column 17 arranged on the bottom plate 13, a motor 18 is fixed on one side of the mounting column 17, the output end of the motor 18 is connected with a small gear 19, a large gear 20 is meshed on the small gear 19, a screw 21 is keyed on the large gear 20, and one end of the screw 21 is rotatably connected on the movable plate 14.

The motor 18 is started to drive the pinion 19 to rotate, then the gearwheel 20 is driven to rotate through tooth-shaped meshing, the gearwheel 20 is transmitted to the screw 21, the screw 21 pushes the moving plate 14 through thread rotation control, so that the frame plate 16 is driven to move, the angle of one end of the winding shaft 1 is changed, and the effect of correcting the film by the winding shaft 1 is achieved.

The bottom plate 13 is provided with a sliding plate 22, and the lower end of the moving plate 14 is provided with a sliding groove matched with the sliding plate 22.

The sliding plate 22 and the matching sliding chute are arranged to facilitate the sliding of the movable plate 14 along a specified route, and control the precision of the angular deviation of the winding shaft 1.

A first rotating shaft 23 is arranged at a position close to the edge of the lower end of the frame plate 16 positioned at the upper end of the moving plate 14, and one end of the first rotating shaft 23 is rotatably connected to the moving plate 14; the lower end of the shelf plate 16 positioned at the upper end of the fixed plate 15 is provided with a second rotating shaft 24, and the second rotating shaft 24 is rotatably arranged in the fixed plate 15.

The first rotating shaft 23 and the second rotating shaft 24 are arranged to rotate in coordination with the angle change of the winding shaft 1 when the moving plate 14 moves; when the moving plate 14 moves, the first rotating shaft 23 moves along with the moving plate, and the frame plate 16 is subjected to resistance of the winding shaft 1 due to the arrangement of the winding shaft 1, so that the frame plate 16 on the moving plate 14 drives the first rotating shaft 23 to rotate, and meanwhile, the angle of the winding shaft 1 changes, and the frame plate 16 on the fixed plate 15 drives the second rotating shaft 24 to rotate, so that the adjustment of the winding shaft 1 is completed; therefore, the deviation of the film can be adjusted in a large range, and the deviation rectifying structure which is faster in response and higher in precision can be provided for the deviation rectifying operation of the film by matching with the shaft sleeve 2.

The above description is only an embodiment of the present invention, but the technical features of the present invention are not limited thereto, and any changes or modifications within the technical field of the present invention by those skilled in the art are covered by the claims of the present invention.

Claims

1. The utility model provides a film blowing machine is with coiling mechanism that rectifies which characterized in that: the device comprises a deviation rectifying shaft and a large-precision adjusting device (12), wherein the deviation rectifying shaft comprises a winding shaft (1), the large-precision adjusting device (12) comprises a bottom plate (13), a movable plate (14) and a fixed plate (15) are arranged at the upper end of the bottom plate (13), frame plates (16) are arranged at two ends of the winding shaft (1), one frame plate (16) is arranged at the upper end of the movable plate (14), and the other frame plate is arranged at the upper end of the fixed plate (15);

the bottom plate (13) is provided with a sliding plate (22), and the lower end of the moving plate (14) is provided with a sliding groove matched with the sliding plate (22); a first rotating shaft (23) is arranged at the position, close to the edge, of the lower end of the frame plate (16) at the upper end of the moving plate (14), and one end of the first rotating shaft (23) is rotatably connected to the moving plate (14); a second rotating shaft (24) is arranged at the lower end of the frame plate (16) positioned at the upper end of the fixing plate (15), and the second rotating shaft (24) is rotatably arranged in the fixing plate (15); the movable plate (14) is driven by a driving device, the driving device comprises a mounting column (17) arranged on the bottom plate (13), a motor (18) is fixed on one side of the mounting column (17), the output end of the motor (18) is connected with a small gear (19), a large gear (20) is meshed on the small gear (19), a screw rod (21) is connected to the large gear (20) in a key mode, and one end of the screw rod (21) is rotatably connected to the movable plate (14); the deviation correction shaft further comprises:

the shaft sleeve (2) is connected with the winding shaft (1) in a sliding mode through a key;

the air bag (3), the said air bag (3) is set up between said axle sleeve (2) and said rolling axle (1);

wherein, an air transmission channel (4) is arranged in the winding shaft (1), and one end of the air transmission channel (4) is connected with the air bag (3); a sliding sleeve (5) is arranged in the shaft sleeve (2), a first convex ring (6) is arranged at one end of the sliding sleeve (5), a second convex ring (7) is arranged on the winding shaft (1), one end of the first convex ring (6) is matched with the opposite surface of the second convex ring (7) to form an air bag cavity for arranging the air bag (3) by matching the inner wall of the shaft sleeve (2) with the outer wall of the winding shaft (1); moreover, a telescopic structure (8) is further arranged between the first convex ring (6) and the second convex ring (7), and the telescopic structure (8) comprises a base ring (9) and a telescopic ring (10) which is arranged in the base ring (9) in a sliding manner; the inner wall of the base ring (9) is aligned with the inner wall of the sliding sleeve (5), and the inner wall of the telescopic ring (10) is close to the inner wall of the base ring (9).

2. The deviation rectifying and winding device for the film blowing machine according to claim 1, characterized in that: the shaft sleeve (2) is composed of two sleeves with the same diameter and in butt joint, wherein one end of one sleeve is tightly attached to the inner ring and provided with a bottom ring, one end of the other sleeve is tightly attached to the outer ring and provided with a lantern ring, and corresponding fixing holes are formed in the bottom ring and the lantern ring.

3. The deviation rectifying and winding device for the film blowing machine according to claim 2, characterized in that: the other end of the sliding sleeve (5) is flush with one end face of the shaft sleeve (2); the winding shaft (1) is provided with a spline, and the sliding sleeve (5) is provided with a sliding groove (11) matched with the spline.

4. The deviation rectifying and winding device for the film blowing machine according to claim 3, characterized in that: and an anti-skid layer is laid on the outer side of the shaft sleeve (2).