CN220744829U

CN220744829U - Blown film draw gear

Info

Publication number: CN220744829U
Application number: CN202322182382.1U
Authority: CN
Inventors: 霍志刚
Original assignee: Cangzhou Junteng Plastic Industry Co ltd
Current assignee: Cangzhou Junteng Plastic Industry Co ltd
Priority date: 2023-08-15
Filing date: 2023-08-15
Publication date: 2024-04-09
Anticipated expiration: 2033-08-15

Abstract

The utility model discloses a blown film traction device, which relates to the technical field of blown film production and comprises a frame, wherein one end of the inner wall of the frame is fixedly connected with a guide roller, the top end of the frame is fixedly connected with a supporting rod, the blown film traction device further comprises a flattening roller mechanism, the flattening roller mechanism comprises a sleeve fixed on one side of the supporting rod, the inner wall of the sleeve is movably connected with a telescopic rod, one end of the telescopic rod is rotatably connected with a second connecting rod, the inner wall of the second connecting rod is fixedly connected with a first flattening roller, the first correcting roller generates heat due to too hot blown film of plastics just melted, when the first correcting roller is too hot, the film is inflated and inflated due to thermal expansion and cold contraction, and air flows in the rotating process of the first correcting roller through the arrangement of an air vent, so that the temperature overheat of the first correcting roller is prevented, the loss is reduced, the labor cost is reduced, and the service life of the blown film traction device is prolonged.

Description

Blown film draw gear

Technical Field

The utility model belongs to the technical field of blown film production, and particularly relates to a blown film traction device.

Background

The plastic film is one of the main forming methods of plastic film, has the advantages of simple equipment, convenient processing, low cost, less waste, strong practicability, high popularity, wide application range and the like, in the process of forming the plastic film, plastic melt plasticized by an extruder is extruded into a tube shape through a machine head annular gap, is blown into a cylindrical film tube by compressed air, is cooled under the action of wind ring cooling and traction force, is changed into a double-layer folded flat film by a cylindrical film tube through a herringbone plate and a traction roller in a film blowing auxiliary machine, and is finally coiled into a film roll by a crimping machine.

The utility model discloses a draw gear of correlation technique as the application number CN214645792U, the inside of rectifying the roller is provided with the cavity, the surface of rectifying the roller is provided with a plurality of inflation film hole, inflation film hole communicates with each other with the cavity, the one end of rectifying the roller is provided with the air inlet end, and the other end is provided with the air-out end, the both ends of cavity communicate with each other with air inlet end and air-out end respectively, the air inlet end of rectifying the roller is connected with the fan, and the device is when drawing the film, because the fan starts to produce the air bed between film and the roller of rectifying for take place the skew and the skew of film easily, thereby lead to the phenomenon that the fold and the turn-up appear in the blown film.

Disclosure of Invention

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

the utility model relates to a blown film traction device, which comprises a frame, wherein one end of the inner wall of the frame is fixedly connected with a guide roller, the top end of the frame is fixedly connected with a supporting rod, the blown film traction device further comprises a flattening roller mechanism, the flattening roller mechanism comprises a sleeve fixed on one side of the supporting rod, the inner wall of the sleeve is movably connected with a telescopic rod, one end of the telescopic rod is rotatably connected with a second connecting rod, the inner wall of the second connecting rod is fixedly connected with a first flattening roller, a deviation correcting roller mechanism comprises a first rotating shaft fixedly connected with the bottom end of the supporting rod, the bottom end of the first rotating shaft is rotatably connected with a fixing rod, and the inner wall of the fixing rod is fixedly connected with a first deviation correcting roller.

Further, the both sides fixedly connected with fixed plate of guide roll, the fixed orifices has been seted up to fixed plate one side, the first guide roll of inner wall fixedly connected with of fixed plate, the inner wall one side rotation of fixed plate is connected with the connecting axle, one side fixedly connected with second guide roll that the frame is close to the fixed plate.

Further, the bottom fixedly connected with bottom plate of bracing piece, the top fixedly connected with roof of bracing piece, roof bottom fixedly connected with thread groove, the inner wall in thread groove rotates with the outer wall of first axis of rotation to be connected.

Further, a groove is formed in one side of the telescopic rod, a through hole is formed in the top end of the telescopic rod, and connecting plates are fixedly connected to two ends of the second connecting rod respectively.

Further, the inner wall fixedly connected with second axis of rotation of connecting plate, the outer wall swing joint of second axis of rotation has first flattening roller, one side fixedly connected with driving motor of second connecting rod.

Further, the both ends of dead lever are fixedly connected with connecting block respectively, the inner wall of connecting block rotates and is connected with the third axis of rotation, the outer wall fixedly connected with of third axis of rotation is first rectifies the roller, the both sides of first rectify the roller are fixedly connected with baffle respectively, a plurality of air vent has been seted up to the outer wall of first rectify the roller.

The utility model has the following beneficial effects:

1. when the device runs, the first rotating shafts drive the fixed rods to slightly turn, the baffles on the two sides are penetrated by the third rotating shafts, the outer walls of the third rotating shafts are fixedly connected with the first deviation correcting rollers, when the film is attached to the outer walls of the first deviation correcting rollers, the pulling of the film drives the first deviation correcting rollers to rotate, when the film turns, the baffles on the two sides block the film to turn, the phenomenon of curling occurs when the film turns, and when the turning angle is larger, the first rotating shafts automatically correct, so that the film returns to a normal state, and the problem of uneven curling caused by overlarge deviation of the blown film on the winding machine is avoided.

2. When the device is operated, the first deviation correcting roller generates heat due to the fact that the plastic blown film just melted is too hot, when the first deviation correcting roller is too hot, the film is inflated and expanded due to expansion and contraction, air flows in the rotating process of the first deviation correcting roller through the arrangement of the vent holes, the temperature of the first deviation correcting roller is prevented from being overheated, loss is reduced, labor cost is reduced, and service life of the device is prolonged.

Of course, it is not necessary for any one product to practice the utility model to achieve all of the advantages set forth above at the same time.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings that are needed for the description of the embodiments will be briefly described below, and it is 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 view of a blown film take-off device according to the present utility model;

FIG. 2 is a schematic view of the right side structure of a blown film pulling apparatus according to the present utility model;

FIG. 3 is an enlarged schematic view of the nip roll mechanism of the present utility model;

FIG. 4 is an enlarged schematic view of the deviation correcting roller mechanism of the present utility model;

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

1. a frame; 2. a guide roller; 4. a nip roll mechanism; 5. a deviation correcting roller mechanism; 101. a side plate; 102. a guide bracket; 103. a first connecting rod; 104. a first pull roll; 105. a second traction roller; 201. a fixing plate; 202. a fixing hole; 203. a first guide roller; 204. a second guide roller; 205. a connecting shaft; 301. a support rod; 302. a top plate; 303. a bottom plate; 304. a thread groove; 305. a first rotation shaft; 401. a sleeve; 402. a telescopic rod; 403. a groove; 404. a through hole; 405. a second connecting rod; 406. a connecting plate; 407. a second rotation shaft; 408. a first flattening roller; 409. a driving motor; 501. a fixed rod; 502. a connecting block; 503. a third rotation shaft; 504. a baffle; 505. a first deviation correcting roller; 506. a vent hole; 507. and a second deviation correcting roller.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-4, the present utility model is a blown film traction device, including a blown film traction device, which includes a frame 1, one end of an inner wall of the frame 1 is fixedly connected with a guide roller 2, a top end of the frame 1 is fixedly connected with a supporting rod 301, and further includes a flattening roller mechanism 4, the flattening roller mechanism 4 includes a sleeve 401 fixed on one side of the supporting rod 301, an inner wall of the sleeve 401 is movably connected with a telescopic rod 402, one end of the telescopic rod 402 is rotatably connected with a second connecting rod 405, an inner wall of the second connecting rod 405 is fixedly connected with a first flattening roller 408, a deviation correcting roller mechanism 5, the deviation correcting roller mechanism 5 includes a first rotating shaft 305 fixedly connected with a bottom end of the supporting rod 301, a bottom end of the first rotating shaft 305 is rotatably connected with a fixed rod 501, and an inner wall of the fixed rod 501 is fixedly connected with a first deviation correcting roller 505.

The fixed plate 201 is fixedly connected to two sides of the guide roller 2, the fixed hole 202 is formed in one side of the fixed plate 201, the first guide roller 203 is fixedly connected to the inner wall of the fixed plate 201, the connecting shaft 205 is rotatably connected to one side of the inner wall of the fixed plate 201, the second guide roller 204 is fixedly connected to one side of the frame 1, close to the fixed plate 201, of the two guide shafts 2, the two guide shafts 2 are divided into an upper part and a lower part, traction can be conducted in multiple directions, and working efficiency is improved.

The bottom fixedly connected with bottom plate 303 of bracing piece 301, the top fixedly connected with roof 302 of bracing piece 301, roof bottom fixedly connected with thread groove 304, the inner wall of thread groove 304 rotates with the outer wall of first axis of rotation 305 to be connected.

Groove 403 has been seted up to one side of telescopic link 402, and through-hole 404 has been seted up on the top of telescopic link 402, and the both ends of second connecting rod 405 are fixedly connected with connecting plate 406 respectively, through setting up groove 403, makes telescopic link 402 and second connecting rod 405 rotate the connection, makes the mechanism more nimble.

The inner wall fixedly connected with second axis of rotation 407 of connecting plate 406, the outer wall swing joint of second axis of rotation 407 has first exhibition flat roller 408, and one side fixedly connected with driving motor 409 of second connecting rod 405, driving motor 409 starts to drive first exhibition flat roller 408 and rotates, can make film adjustment direction, better orientation first rectifying roller 505 through the direction of adjusting first exhibition flat roller 408, avoids causing the damage.

The both ends of dead lever 501 are fixedly connected with connecting block 502 respectively, and the inner wall of connecting block 502 rotates and is connected with third axis of rotation 503, and the outer wall fixedly connected with of third axis of rotation 503 is first rectifies roller 505, and the both sides of first roller 505 of rectifying are fixedly connected with baffle 504 respectively, and a plurality of air vent 506 has been seted up to the outer wall of first roller 505 of rectifying, makes first roller of rectifying carry out the air flow at rotatory in-process through setting up air vent 506, prevents the temperature of first roller 505 of rectifying overheated, reduces the loss.

One specific application of this embodiment is:

1. the first rotating shaft 305 drives the fixed rod 501 to slightly turn, the two side baffles 504 are penetrated by the third rotating shaft 503, the outer wall of the third rotating shaft 503 is fixedly connected with the first deviation rectifying roller 505, when the film is attached to the outer wall of the first deviation rectifying roller 505, the pulling of the film drives the first deviation rectifying roller 505 to rotate, when the film turns, the baffles 504 on the two sides block the film to turn around due to the turning, when the turning angle is larger, the first rotating shaft 305 automatically corrects the film to return to a normal state, thereby avoiding the problem of uneven turn around caused by overlarge deviation of the blown film on the winding machine, and the first deviation rectifying roller 505 generates heat due to overlarge heat of the film blown by the plastic just melted, when the first deviation rectifying roller 505 is too hot to bulge the film due to thermal expansion and contraction, the first deviation rectifying roller 505 performs air flow in the rotating process through the arrangement of the vent holes 506, the temperature overheat of the first deviation rectifying roller 505 is prevented, the loss is reduced, the labor cost is reduced, and the service life of the device is prolonged.

2. The telescopic rod 402 is arranged on the inner wall of the sleeve 401, the telescopic rod 402 and the second connecting rod 405 are connected with bolts, the second connecting rod 405 rotates to drive the first flattening roller 408 to turn, the driving motor 409 starts to drive the first flattening roller 408 to rotate, the direction of the film can be adjusted by adjusting the direction of the first flattening roller 408, and the film can better face the first deviation correcting roller 505, so that damage is avoided.

In the description of the present specification, the descriptions of the terms "one embodiment," "example," "specific example," and the like, mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present utility model. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiments or examples. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The preferred embodiments of the utility model disclosed above are intended only to assist in the explanation of the utility model. The preferred embodiments are not exhaustive or to limit the utility model to the precise form disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the utility model and the practical application, to thereby enable others skilled in the art to best understand and utilize the utility model. The utility model is limited only by the claims and the full scope and equivalents thereof.

Claims

1. Blown film drawing device, comprising a frame (1), characterized in that: one end of the inner wall of the frame (1) is fixedly connected with a guide roller (2), the top end of the frame (1) is fixedly connected with a supporting rod (301), and the device further comprises;

the flattening roller mechanism (4), the flattening roller mechanism (4) comprises a sleeve (401) fixed on one side of the supporting rod (301), a telescopic rod (402) is movably connected to the inner wall of the sleeve (401), a second connecting rod (405) is rotatably connected to one end of the telescopic rod (402), and a first flattening roller (408) is fixedly connected to the inner wall of the second connecting rod (405);

the correcting roller mechanism (5), correcting roller mechanism (5) are including fixed connection at first axis of rotation (305) of bracing piece (301) bottom, first axis of rotation (305) bottom rotates and is connected with dead lever (501), first roller (505) of rectifying of dead lever (501) inner wall fixedly connected with.

2. A blown film traction device according to claim 1, wherein two sides of the guide roller (2) are fixedly connected with a fixing plate (201), a fixing hole (202) is formed in one side of the fixing plate (201), a first guide roller (203) is fixedly connected to the inner wall of the fixing plate (201), a connecting shaft (205) is rotatably connected to one side of the inner wall of the fixing plate (201), and a second guide roller (204) is fixedly connected to one side of the frame (1) close to the fixing plate (201).

3. A blown film traction device according to claim 2, wherein the bottom end of the supporting rod (301) is fixedly connected with a bottom plate (303), the top end of the supporting rod (301) is fixedly connected with a top plate (302), the bottom end of the top plate is fixedly connected with a thread groove (304), and the inner wall of the thread groove (304) is rotatably connected with the outer wall of the first rotating shaft (305).

4. A blown film traction device according to claim 3, wherein a groove (403) is formed on one side of the telescopic rod (402), a through hole (404) is formed at the top end of the telescopic rod (402), and two ends of the second connecting rod (405) are respectively and fixedly connected with connecting plates (406).

5. A blown film traction device according to claim 4, wherein the inner wall of the connecting plate (406) is fixedly connected with a second rotating shaft (407), the outer wall of the second rotating shaft (407) is movably connected with a first flattening roller (408), and one side of the second connecting rod (405) is fixedly connected with a driving motor (409).

6. The blown film traction device according to claim 5, wherein two ends of the fixing rod (501) are respectively and fixedly connected with a connecting block (502), the inner wall of the connecting block (502) is rotatably connected with a third rotating shaft (503), the outer wall of the third rotating shaft (503) is fixedly connected with a first deviation rectifying roller (505), two sides of the first deviation rectifying roller (505) are respectively and fixedly connected with a baffle plate (504), and a plurality of vent holes (506) are formed in the outer wall of the first deviation rectifying roller (505).