CN211338248U

CN211338248U - Film flattening mechanism

Info

Publication number: CN211338248U
Application number: CN201922116166.0U
Authority: CN
Inventors: 曹玉; 毛潞
Original assignee: Chongqing Ruiting Plastic Co Ltd
Current assignee: Chongqing Ruiting Plastic Co Ltd
Priority date: 2019-11-30
Filing date: 2019-11-30
Publication date: 2020-08-25
Anticipated expiration: 2029-11-30

Abstract

The utility model relates to a technical field of film production facility discloses a film exhibition flat mechanism, including frame and guiding mechanism, guiding mechanism includes the first curb plate and the second curb plate that the structure is the same, and first curb plate and second curb plate all are articulated with the frame, and first curb plate and second curb plate are the splayed setting, and the contained angle between first curb plate and the second curb plate is 20-90, all rotates on first curb plate and the second curb plate to be connected with a plurality of live-rollers. This scheme of adoption can solve prior art and cause the technical problem of scraping damage to the surface of film easily.

Description

Film flattening mechanism

Technical Field

The utility model relates to a technical field of film production facility, concretely relates to film exhibition flat mechanism.

Background

Tubular film parison (film bubble) that the film blowing formed, through the cooling back, need use the exhibition paper-back edition to lead it and roll, make it stereotype in straight state, avoid the film to appear the circumstances crooked, that twist to be convenient for the rolling, processing and the use in later stage. In the prior art, two parallel rollers are adopted to provide power for a film bubble, and during the process, the film bubble needs to be guided by a herringbone frame with a small upper opening and a large lower opening, so that the tubular film bubble is flattened into two layers of flat and straight folded films. However, the foam just cooled is not stable in forming, and the foam is filled with compressed gas and cooling air flow, so that the outward expansion force applied to the foam is large, and the foam is easy to rub against the inner side of the herringbone bracket in the process of being folded towards the middle under the action of the herringbone bracket, and the outer surface of the film is scratched.

SUMMERY OF THE UTILITY MODEL

The utility model discloses it is providing film exhibition flat mechanism to solve prior art and cause the technical problem of scraping damage to the surface of film easily.

In order to achieve the above purpose, the utility model adopts the following technical scheme: film exhibition flat mechanism, including frame and guiding mechanism, guiding mechanism includes first curb plate and the second curb plate that the structure is the same, and first curb plate and second curb plate all are articulated with the frame, and first curb plate and second curb plate are the splayed setting, and the contained angle between first curb plate and the second curb plate is 20-90, all rotates on first curb plate and the second curb plate to be connected with a plurality of rotation rollers.

The principle and the advantages of the scheme are as follows: the guide mechanism can guide the film bubble, so that the film bubble is gradually folded from a tubular shape into two layers of flat and folded films, and the condition that indentations on two sides are distorted due to too fast folding of the film bubble is avoided; the rotating roller of the scheme can convert sliding friction of the film bubble and the guide mechanism into rolling friction in the process that the film bubble passes through the guide mechanism, avoids the condition that the film bubble is scratched and damaged by the guide mechanism, and simultaneously reduces the friction effect of the film bubble and the guide mechanism.

Preferably, as an improvement, a power mechanism for pulling the bubble through the guide mechanism is also included.

The power mechanism of this scheme can provide traction for the membrane bubble, makes the membrane bubble can pass guiding mechanism at the uniform velocity to make the membrane bubble flatten more easily.

Preferably, as an improvement, power unit includes two parallel arrangement's power roller and is used for driving the driving motor of power roller, and two power rollers all rotate with the frame and are connected, leave the passageway that supplies the film to pass between two power rollers, and the power roller is on a parallel with the intersection line setting of first curb plate and second curb plate place plane, and driving motor's output shaft is fixed with the power roller.

According to the scheme, two power rollers are adopted to provide power for the film, and compared with clamping and lifting of a plurality of points of the film, the scheme enables the stress of the film to be more uniform; in addition, the two power rollers can extrude the film, so that the crease of the film bubble flattened into a straight folded state is more stable; simultaneously, two power rollers of this scheme can also crowd the bubble of arranging in the membrane bubble, avoid the bubble in the membrane bubble to get into the condition in the film.

Preferably, as an improvement, the power rollers are named as a first power roller and a second power roller respectively, the driving motor is fixed with the first power roller, the end part of the first power roller is coaxially and fixedly provided with a driving gear, and the end part of the second power roller is coaxially and fixedly provided with a driven gear meshed with the driving gear.

According to the scheme, the driving motor can drive the two power rollers to rotate simultaneously, the production cost and the running cost of equipment are reduced, and meanwhile, the rotating speed of the two power rollers is the same, so that the condition that the two sides of the film bubble are stressed unevenly due to power difference between the two power rollers is avoided.

Preferably, as an improvement, the lower extreme of first curb plate is articulated to be equipped with telescopic machanism, and telescopic machanism's free end is articulated with the second curb plate.

This scheme can be adjusted and fixed first curb plate and second curb plate angle, makes equipment can be applicable to the membrane bubble of flat different diameters of exhibition, has promoted the application scope of equipment.

Preferably, as an improvement, the rack is provided with a limiting groove for limiting deflection amplitude, and the first side plate and the second side plate are respectively hinged in the limiting groove.

This scheme can be injectd the range of deflecting of first curb plate and second curb plate, has avoided the contained angle undersize between first curb plate and the second curb plate and has leaded to the condition that the membrane bubble is crushed, also can avoid the contained angle of first curb plate and second curb plate too big and lead to the condition that guiding mechanism became invalid simultaneously.

Preferably, as an improvement, the telescopic mechanism is a telescopic rod.

The telescopic link of this scheme can support first curb plate and second curb plate, makes the contained angle of first curb plate and second curb plate more stable.

Preferably, as an improvement, the telescopic link includes inner shaft rod and outer sleeve of establishing each other cover, and be linear distribution on the outer sleeve has a plurality of outer plug-in holes, is equipped with on the inner shaft rod to be used for with outer plug-in hole complex through-hole.

The scheme has the advantages of simple structure, convenience in processing and stability in operation.

Preferably, as an improvement, the through hole and the outer plug hole are both round holes.

The round hole of the scheme is simple in structure and convenient to process.

Preferably, as an improvement, a bearing is connected between the power roller and the frame.

The scheme can reduce the friction between the power roller and the rack, reduce the running noise and the abrasion of the power roller and prolong the service life of equipment.

Drawings

Fig. 1 is an axonometric view of a first embodiment of the film flattening mechanism of the present invention.

Fig. 2 is a front sectional view of a first embodiment of the present invention, which is taken along the direction of the arrow in fig. 1 and the sectional view passes through the midpoint of the rotating roller.

Fig. 3 is a front sectional view of a second embodiment of the present invention, which is taken along the direction of the arrow in fig. 1 and the sectional view passes through the midpoint of the rotating roller.

Detailed Description

The following is further detailed by way of specific embodiments:

reference numerals in the drawings of the specification include: the device comprises a rack 1, a first side plate 2, a second side plate 3, a hinge lug 4, a rotating roller 5, a first power roller 6, a second power roller 7, a driving gear 8, a driven gear 9, an inner shaft rod 10, an outer sleeve 11, an outer plug hole 12, a through hole 13, a first limit groove 14 and a second limit groove 15.

Example one

As shown in figure 1: the film flattening mechanism comprises a rack 1, a guide mechanism and a power mechanism for drawing film bubbles to pass through the guide mechanism, the guide mechanism comprises a first side plate 2 and a second side plate 3 which are identical in structure, in order to facilitate distinguishing, the left side (in a view angle of fig. 2) is named as the first side plate 2, the right side (in a view angle of fig. 2) is named as the second side plate 3, hinge lugs 4 are integrally formed at the upper ends of the first side plate 2 and the second side plate 3, and the hinge lugs 4 are hinged with the rack 1 through shaft pins; as shown in fig. 2, the first side plate 2 and the second side plate 3 are disposed in a splayed shape, an included angle between the first side plate 2 and the second side plate 3 is 20-90 °, and 35 ° is taken as an example for description here. As shown in fig. 1, the first side plate 2 and the second side plate 3 are both connected with a plurality of rotating rollers 5 through shaft pins in a rotating manner, the plurality of rotating rollers 5 on the first side plate 2 are linearly arranged in parallel, as shown in fig. 2, the right side of the rotating roller 5 on the first side plate 2 is exposed out of the first side plate 2, so that the film can be in direct contact with the rotating rollers 5.

As shown in fig. 1, the power mechanism includes two power rollers arranged in parallel and a driving motor (not shown in the figure) for driving the power rollers, and for convenience of description, the power roller on the left side (in the view of fig. 2) is named as a first power roller 6, the power roller on the right side (in the view of fig. 2) is named as a second power roller 7, the first power roller 6 and the second power roller 7 are arranged in parallel with the intersection line of the planes of the first side plate 2 and the second side plate 3, the first power roller 6 and the second power roller 7 are both rotatably connected with the frame 1 through bearings, a channel for a film to pass through is left between the two power rollers, and the figure is shown for convenience of distinguishing, a large gap is left between the first power roller 6 and the second power roller 7, and in the actual production process, the distance between the first powered roller 6 and the second powered roller 7 can be adjusted accordingly depending on the thickness of the particular film product being produced. Step motor is selected for use as driving motor, and driving motor passes through the bolt and fixes with frame 1, and driving motor's output shaft is fixed with first power roller 6, and the coaxial fixed joint of the tip of first power roller 6 has driving gear 8, and the coaxial fixed joint of the tip of second power roller 7 has driven gear 9 with driving gear 8 meshing.

The specific implementation process is as follows: the driving motor is started to drive the first power roller 6 to rotate anticlockwise (in a view angle of fig. 2), the first power roller 6 drives the driving gear 8 to rotate, and then the driven gear 9 drives the second power roller 7 to rotate, so that the aim of synchronizing the motion of the first power roller 6 and the second power roller 7 is fulfilled; the rotation of the first power roller 6 and the second power roller 7 can lift the film upwards, so that the film can pass through the guide mechanism at a constant speed to realize rolling and flattening; the first power roller 6 and the second power roller 7 can press the gas in the film bubble downwards, so that the situation that the gas in the film bubble enters the film and influences the flattening of the film is avoided; meanwhile, the rotating roller 5 can convert the friction between the film and the guide mechanism into rolling friction, so that the condition that the outer surface of the film is scratched and damaged by the guide mechanism is avoided; simultaneously, the live-rollers 5 of this scheme can also reduce the friction between film and the guiding mechanism, and then reduce the burden of first power roller 6 and second power roller 7, make the equipment operation more stable smooth and easy.

Example two

As shown in fig. 3, the present embodiment is different from the first embodiment in that the lower end of the first side plate 2 is hinged to a telescopic mechanism, the telescopic mechanism is a telescopic rod, the telescopic rod includes an inner shaft 10 and an outer sleeve 11, the inner sleeve 11 is provided with a plurality of outer plug holes 12, four outer plug holes 12 are illustrated as an example, and the inner shaft 10 is provided with a through hole 13 for matching with the outer plug holes 12. The left end of the inner shaft 10 is hinged with the first side plate 2 through a shaft pin, and the right end of the outer sleeve 11 is hinged with the second side plate 3 through a shaft pin.

The frame 1 is provided with a limiting groove for limiting deflection amplitude, the limiting groove comprises a first limiting groove 14 and a second limiting groove 15, the first side plate 2 is hinged in the first limiting groove 14 through a shaft pin, and the second side plate 3 is hinged in the second limiting groove 15 through a shaft pin.

When the scheme is used, a user can set the corresponding number of outer plug holes 12 on the outer sleeve 11 according to the specification and the type of the produced bubble. When producing the film bubble of a certain specification, be about to the through-hole 13 on the inner shaft pole 10 with the outer plug-in hole 12 of corresponding specification corresponds, then use pin rod or other round bars to insert outer plug-in hole 12 and through-hole 13 in proper order to make the position of inner shaft pole 10 and outer sleeve 11 relatively fixed, and then make the contained angle of first curb plate 2 and second curb plate 3 relatively fixed, make guiding mechanism be in the state that most suitable film bubble all the time, thereby guaranteed the film quality after the film bubble exhibition is flat.

The above description is only an example of the present invention, and the detailed technical solutions and/or characteristics known in the solutions are not described too much here. It should be noted that, for those skilled in the art, without departing from the technical solution of the present invention, several modifications and improvements can be made, which should also be regarded as the protection scope of the present invention, and these will not affect the effect of the implementation of the present invention and the practicability of the patent. The scope of the claims of the present application shall be determined by the contents of the claims, and the description of the embodiments and the like in the specification shall be used to explain the contents of the claims.

Claims

1. Film flattening mechanism, its characterized in that: the automatic feeding device comprises a rack and a guide mechanism, wherein the guide mechanism comprises a first side plate and a second side plate which are the same in structure, the first side plate and the second side plate are hinged to the rack, the first side plate and the second side plate are arranged in a splayed mode, an included angle between the first side plate and the second side plate is 20-90 degrees, and a plurality of rotating rollers are rotationally connected to the first side plate and the second side plate.

2. The film flattening mechanism of claim 1, wherein: and the film bubble drawing mechanism is used for drawing the film bubble to pass through the guide mechanism.

3. The film flattening mechanism of claim 2, wherein: the power mechanism comprises two power rollers arranged in parallel and a driving motor used for driving the power rollers, the two power rollers are connected with the rack in a rotating mode, a channel for a film to pass through is reserved between the two power rollers, the power rollers are arranged in a mode of being parallel to the intersecting line of the planes where the first side plate and the second side plate are located, and the output shaft of the driving motor is fixed with the power rollers.

4. The film flattening mechanism of claim 3, wherein: the power rollers are named as a first power roller and a second power roller respectively, the driving motor is fixed to the first power roller, the driving gear is coaxially and fixedly arranged at the end of the first power roller, and the driven gear meshed with the driving gear is coaxially and fixedly arranged at the end of the second power roller.

5. The film flattening mechanism of claim 1, wherein: the lower extreme of first curb plate articulates and is equipped with telescopic machanism, and telescopic machanism's free end is articulated with the second curb plate.

6. The film flattening mechanism of claim 5, wherein: the rack is provided with a limiting groove for limiting deflection amplitude, and the first side plate and the second side plate are respectively hinged in the limiting groove.

7. The film flattening mechanism of claim 5, wherein: the telescopic mechanism is a telescopic rod.

8. The film flattening mechanism of claim 7, wherein: the telescopic rod comprises an inner shaft rod and an outer sleeve which are sleeved with each other, a plurality of outer plug holes are linearly distributed on the outer sleeve, and through holes used for being matched with the outer plug holes are formed in the inner shaft rod.

9. The film flattening mechanism of claim 8, wherein: the through hole and the outer plug hole are round holes.

10. The film flattening mechanism of claim 3, wherein: and a bearing is connected between the power roller and the rack.