CN214082429U

CN214082429U - Plastic film casting device

Info

Publication number: CN214082429U
Application number: CN202022537911.1U
Authority: CN
Inventors: 陈少勃; 夏泽瑞
Original assignee: Shantou Gesu Plastic Film Co ltd
Current assignee: Shantou Gesu Plastic Film Co ltd
Priority date: 2020-11-05
Filing date: 2020-11-05
Publication date: 2021-08-31
Anticipated expiration: 2030-11-05

Abstract

The utility model discloses a plastic film curtain coating device relates to plastic film production technical field, specifically is a plastic film curtain coating device, the on-line screen storage device comprises a base, the top fixed mounting of base has the extruder, the bottom of extruder is provided with first cold roll, the activity joint has been cup jointed in the right side activity of first cold roll, the bottom fixedly connected with inlet tube of activity joint, the inside of first cold roll is provided with well core rod, well core rod's outside fixedly connected with head rod, the outside fixedly connected with scale removal brush of head rod. This plastic film curtain coating device sets up the scale removal brush through the inside at first chill roll, and at first chill roll pivoted in-process well core rod not rotate along with first chill roll, at this moment the inner wall formation relative motion of scale removal brush and first chill roll utilizes the scale removal brush to clean the inside of first chill roll, avoids forming the incrustation scale on the inside of first chill roll, prevents that the incrustation scale from leading to the inner wall thickening of first chill roll.

Description

Plastic film casting device

Technical Field

The utility model relates to a plastic film production technical field specifically is a plastic film curtain coating device.

Background

The cast film is a non-stretching and non-oriented cast film produced by melt casting and quenching, and the plastic film prepared by the cast method is firstly plasticized and melted by an extruder. Extruding the mixture through a T-shaped structure forming die, casting the mixture to the roll surface of a cooling roller which rotates stably in a sheet shape, cooling and shaping the diaphragm on the cooling roller, and then drawing and trimming the product to be rolled.

Need cool off on the cooling roller after the curtain coating membrane is extruded, the inside of cooling roller is provided with the cooling water chamber, and the cooling water flows in from the one end of cooling roller again and flows out by the other end of cooling roller, can form the incrustation scale on the inner wall of long-time use cold roller, leads to the inner wall thickening of cooling roller, influences cooling efficiency, for this we provide a plastic film curtain coating device.

SUMMERY OF THE UTILITY MODEL

Not enough to prior art, the utility model provides a plastic film curtain coating device has solved the problem of proposing in the above-mentioned background art.

In order to achieve the above purpose, the utility model discloses a following technical scheme realizes: the utility model provides a plastic film curtain coating device, includes the base, the top fixed mounting of base has the extruder, the bottom of extruder is provided with first cold roll, the activity joint has been cup jointed in the right side activity of first cold roll, the bottom fixedly connected with inlet tube of activity joint, the inside of first cold roll is provided with well core rod, well core rod's outside fixedly connected with head rod, the outside fixedly connected with scale removal brush of head rod, the top fixedly connected with knife rest of base, the bottom fixed mounting of knife rest has the scraper, the side of scraper is provided with the induction port.

Optionally, the bottom transmission of the right end of the first cold roll is connected with a belt, the bottom transmission of the belt is connected with a driving motor, and the driving motor is fixedly installed in the base.

Optionally, the left end of the first cold roll is movably connected with a water outlet pipe, the water outlet pipe and the movable joint are symmetrically distributed at two ends of the first cold roll, the water outlet pipe is connected with the waste water tank, and the movable joint is connected with the water faucet.

Optionally, both ends of well core rod and activity connect fixed connection, the quantity of scale removal brush has three and distributes about well core rod central symmetry.

Optionally, the right side of first chill roll is provided with the second chill roll, the structure of second chill roll is the same with first chill roll, the bottom on second chill roll right side is provided with the deflector roll.

Optionally, a second connecting rod is fixedly connected between the air suction port and the knife rest, a conveying pipe is fixedly connected to the top of the air suction port, the number of the conveying pipes is three, and the bottom of the conveying pipe is fixedly connected.

The utility model provides a plastic film curtain coating device possesses following beneficial effect:

1. this plastic film curtain coating device sets up the scale removal brush through the inside at first chill roll, and at first chill roll pivoted in-process well core rod not rotate along with first chill roll, at this moment the inner wall formation relative motion of scale removal brush and first chill roll utilizes the scale removal brush to clean the inside of first chill roll, avoids forming the incrustation scale on the inside of first chill roll, prevents that the incrustation scale from leading to the inner wall thickening of first chill roll.

2. This plastic film curtain coating device sets up the scraper through the top at first cold roll, utilizes the scraper to be stained with the film piece that attaches on first cold roll surface and strikes off, then adsorbs dust extraction with the film piece by the second connecting rod again in, avoids the film piece to cause the influence to follow-up plastic film curtain coating, has guaranteed plastic film's production quality.

Drawings

FIG. 1 is a schematic structural view of the present invention;

fig. 2 is a schematic structural view of another aspect of the present invention;

FIG. 3 is a schematic view of the internal structure of the first cooling roller of the present invention;

fig. 4 is a schematic structural view of the scraper and the suction port of the present invention.

In the figure: 1. a base; 2. an extruder; 3. a first cold roll; 4. a movable joint; 5. a water inlet pipe; 6. A belt; 7. a drive motor; 8. a water outlet pipe; 9. a center pole; 10. a first connecting rod; 11. a descaling brush; 12. a second chill roll; 13. a guide roller; 14. a tool holder; 15. a scraper; 16. a second connecting rod; 17. An air suction port; 18. a delivery pipe; 19. a dust suction device.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

Referring to fig. 1 to 4, the present invention provides a technical solution: a plastic film casting device comprises a base 1, an extruder 2 is fixedly installed at the top of the base 1, a first cold roll 3 is arranged at the bottom of the extruder 2, a movable joint 4 is movably sleeved at the right side of the first cold roll 3, a water inlet pipe 5 is fixedly connected at the bottom of the movable joint 4, cooling water is conveyed into the first cold roll 3 through the water inlet pipe 5, the cooling water absorbs heat of a cast film to enable the cast film to be rapidly cooled, cooled and shaped on the surface of the first cold roll 3, then the cooling water is discharged through a water outlet pipe 8, a belt 6 is connected at the bottom of the right end of the first cold roll 3 in a transmission manner, a driving motor 7 is connected at the bottom of the belt 6 in a transmission manner, the driving motor 7 is fixedly installed in the base 1, a water outlet pipe 8 is movably connected at the left end of the first cold roll 3, the water outlet pipe 8 and the movable joint 4 are symmetrically distributed at two ends of the first cold roll 3, and the water outlet pipe 8 is connected with a waste water tank, the movable joint 4 is connected with a water tap, the inside of the first cold roll 3 is provided with a central rod 9, the central rod 9 is arranged in the first cold roll 3, the central rod 9 does not rotate along with the first cold roll 3 in the rotating process of the first cold roll 3, at the moment, the descaling brush 11 and the inner wall of the first cold roll 3 form relative motion, the descaling brush 11 is used for cleaning the inside of the first cold roll 3 to avoid scale formation on the inside of the first cold roll 3, the scale is prevented from causing thickening of the inner wall of the first cold roll 3, two ends of the central rod 9 are fixedly connected with the movable joint 4, the descaling brushes 11 are three and are symmetrically distributed about the center of the central rod 9, the outside of the central rod 9 is fixedly connected with a first connecting rod 10, the outside of the first connecting rod 10 is fixedly connected with the descaling brush 11, the right side of the first cold roll 3 is provided with a second cold roll 12, the structure of the second cold roll 12 is the same as that of the first cold roll 3, the second cold roll 12 is arranged behind the first cold roll 3, the cast film is cooled again by the second cold roll 12, the cast film which is not completely shaped is completely shaped, the cast film is ensured to be shaped completely, adverse effects on subsequent processing steps are avoided, the guide roll 13 is arranged at the bottom of the right side of the second cold roll 12, the top of the base 1 is fixedly connected with the knife rest 14, the bottom of the knife rest 14 is fixedly provided with the scraper 15, the side surface of the scraper 15 is provided with the air suction port 17, the second connecting rod 16 is fixedly connected between the air suction port 17 and the knife rest 14, the scraper 15 is arranged at the top of the first cold roll 3, film fragments adhered to the surface of the first cold roll 3 are scraped by the scraper 15, then the film fragments are adsorbed into the dust suction device 19 by the second connecting rod 16, the influence of the film fragments on the subsequent plastic film casting is avoided, and the production quality of the plastic film is ensured, the top of the air suction port 17 is fixedly connected with a conveying pipe 18, the number of the conveying pipes 18 is three, and the bottom of the conveying pipe 18 is fixedly connected.

In conclusion, in the plastic film casting device, when in use, the extruder 2 extrudes molten plastic, the molten plastic is cast on the first cold roll 3 which rotates stably in a sheet shape to be cooled and shaped, and then the molten plastic moves backwards through the second cold roll 12 and the guide roll 13, in the rotating process of the first cold roll 3, the descaling brush 11 and the first cold roll 3 form relative motion to scrub the inner wall of the first cold roll 3, so that scale is prevented from being generated on the inner wall of the first cold roll 3, when plastic film is remained on the outer surface of the first cold roll 3, the residual plastic film is scraped by the scraper 15, and then the scraped plastic film fragments are sucked into the dust collector 19 through the second connecting rod 16.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. A plastic film casting apparatus includes a base (1), characterized in that: the utility model discloses a descaling machine, including base (1), base (2), bottom of extruder (2) are provided with first cold roll (3), the right side activity of first cold roll (3) has cup jointed swing joint (4), the bottom fixedly connected with inlet tube (5) of swing joint (4), the inside of first cold roll (3) is provided with well core rod (9), the outside fixedly connected with head rod (10) of well core rod (9), the outside fixedly connected with scale removal brush (11) of head rod (10), the top fixedly connected with knife rest (14) of base (1), the bottom fixed mounting of knife rest (14) has scraper (15), the side of scraper (15) is provided with induction port (17).

2. A casting apparatus of a plastic film according to claim 1, wherein: the bottom transmission of the right end of the first cold roll (3) is connected with a belt (6), the bottom transmission of the belt (6) is connected with a driving motor (7), and the driving motor (7) is fixedly installed inside the base (1).

3. A casting apparatus of a plastic film according to claim 1, wherein: the left end swing joint of first chill roll (3) has outlet pipe (8), outlet pipe (8) and movable joint (4) symmetric distribution are at the both ends of first chill roll (3), outlet pipe (8) are connected with the wastewater disposal basin, movable joint (4) are connected with tap.

4. A casting apparatus of a plastic film according to claim 1, wherein: the two ends of the central rod (9) are fixedly connected with the movable joint (4), and the descaling brushes (11) are three and are symmetrically distributed around the center of the central rod (9).

5. A casting apparatus of a plastic film according to claim 1, wherein: the right side of first chill roll (3) is provided with second chill roll (12), the structure of second chill roll (12) is the same with first chill roll (3), the bottom on second chill roll (12) right side is provided with deflector roll (13).

6. A casting apparatus of a plastic film according to claim 1, wherein: fixedly connected with second connecting rod (16) between induction port (17) and knife rest (14), the top fixedly connected with conveyer pipe (18) of induction port (17), the quantity of conveyer pipe (18) has three, the bottom fixed connection of conveyer pipe (18).