CN214605444U - Cooling device for plastic film production - Google Patents
Cooling device for plastic film production Download PDFInfo
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- CN214605444U CN214605444U CN202120276106.XU CN202120276106U CN214605444U CN 214605444 U CN214605444 U CN 214605444U CN 202120276106 U CN202120276106 U CN 202120276106U CN 214605444 U CN214605444 U CN 214605444U
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- plastic film
- cooling
- film production
- cooling chamber
- cooling device
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Abstract
The utility model relates to a plastic film production facility field, cooling device is used in plastic film production, wherein the cooling chamber is to being equipped with pan feeding mouth and discharge gate that the position level is relative to two sides, the air-cooled subassembly includes fan and gas transmission pipeline, the first end of gas transmission pipeline is connected with the gaseous output end of fan, the second end of gas transmission pipeline is towards the plastic film movement path setting, the water drenching device is set up above the plastic film movement path, the output end of water drenching device is towards the film movement path, the top of cooling chamber is equipped with the gas collecting channel, the top of gas collecting channel is connected with the exhaust pipe; the feed inlet department is equipped with the soft brush that is used for sheltering from air escape in the cooling chamber, and discharge gate department is equipped with the cotton brush, and this cotton brush corresponds the setting in discharge gate top inner edge department. This cooling device can make plastic film rapid cooling during the quick rolling under the very fast condition of plastic film production, and the high temperature when avoiding the plastic film rolling.
Description
Technical Field
The utility model relates to a plastic film production facility field, especially cooling device is used in plastic film production.
Background
Films made from polyvinyl chloride, polyethylene, polypropylene, polystyrene, and other resins are used for packaging, and as a film coating. Plastic packages and plastic package products have a larger share in the market, and particularly, composite plastic flexible packages are widely applied to the fields of food, medicine, chemical industry and the like, wherein the proportion of the plastic packages is the largest, such as beverage packages, quick-frozen food packages, steamed and cooked food packages, fast food packages and the like, and the plastic packages and the plastic package products bring great convenience to the life of people.
After the plastic particles are melted and drawn into a film, the temperature of the plastic film is higher, and before rolling, the plastic film needs to be cooled. In the prior art, the plastic film is cooled by air cooling through a fan, and the cooling method has the defects that if the plastic film is produced at a high speed, the time for the plastic film to pass through an air cooling area is short, and the temperature is not completely reduced to a proper temperature, the plastic film is wound into a bundle, and the plastic film is easy to tear after the bundle is formed.
SUMMERY OF THE UTILITY MODEL
In order to solve the problems, the cooling device for plastic film production provided by the invention can quickly cool the plastic film during quick rolling under the condition that the plastic film is produced quickly, and avoids overhigh temperature during rolling of the plastic film.
In order to achieve the above object, the utility model adopts the following technical scheme:
the cooling device for plastic film production comprises a cooling chamber, an air cooling assembly and a water spraying device, wherein a feeding port and a discharging port which are horizontally opposite are arranged on two opposite side surfaces of the cooling chamber, the air cooling assembly comprises a fan and a gas conveying pipeline, the fan is arranged outside the cooling chamber, a first end of the gas conveying pipeline is connected with a gas output end of the fan, a second end of the gas conveying pipeline is arranged towards a plastic film moving path, the water spraying device is arranged above the plastic film moving path, an output end of the water spraying device faces the film moving path, a gas collecting hood is arranged at the top of the cooling chamber, and the top of the gas collecting hood is connected with a gas exhausting pipeline;
pan feeding mouth department is equipped with and is used for sheltering from the interior air escape's of cooling chamber soft brush, discharge gate department is equipped with the cotton brush, and this cotton brush corresponds to set up along department in the discharge gate top, and the length of cotton brush is greater than the distance along plastic film moving path in the discharge gate top.
Preferably, the discharge port is provided with a supporting roller for supporting the plastic film, and the supporting roller is arranged at the inner edge of the bottom of the discharge port.
Preferably, the bearing roller is a water-cooling roller.
Preferably, the second end of the gas transmission pipeline is arranged upwards.
Preferably, the second end of the gas transmission pipeline is a flared opening in a horn shape.
Preferably, the air transmission pipeline is wrapped with an insulating layer.
Preferably, a press cooling roller set is arranged in the cooling chamber corresponding to the plastic film moving path, and the press cooling roller set is a condensation-free cooling roller.
Preferably, a partition plate is arranged at the bottom in the cooling chamber, a water passing hole is formed in the partition plate corresponding to the position of the pressing and cooling roller set, and a water collecting tank is arranged below the water passing hole.
Preferably, the water spraying device is an atomizer.
Use the utility model discloses a beneficial effect is:
this device passes through the water drenching device to plastic film top surface trickle, lower the temperature to plastic film through the water drenching mode, lower floor passes through the mode cooling of fan and gas pipeline output cold wind to plastic film, reach the cooling effect to plastic film basically through the mode of water-cooling and air-cooling combination, this device sets up the brush at the pan feeding mouth of cooling chamber, avoid the gas of cooling chamber from discharging, set up the cotton brush at the discharge gate, pass through the cotton clean up with water smoke or water droplet on the plastic film, the gaseous part in the cooling chamber flows from the discharge gate, accelerate cotton brush department gas flow, it is dry with higher speed to cotton brush.
The cooling device has strong cooling capacity and high efficiency for the plastic film, and the plastic film passing through the cooling device is basically dry, thereby meeting the requirement of subsequent plastic film rolling.
Drawings
Fig. 1 is a schematic structural diagram of the cooling device for plastic film production of the present invention.
Fig. 2 is a schematic view of the discharge port of the cooling device for plastic film production of the present invention.
The reference numerals include:
10-cooling chamber, 11-gas collecting hood, 12-exhaust pipeline, 13-partition board, 131-water through hole, 14-water collecting tank, 15-water discharging pipeline, 16-soft hairbrush, 17-bearing roller, 18-cotton cloth brush, 21-fan, 22-gas pipeline, 30-water spraying device and 40-pair pressure cooling roller group.
Detailed Description
In order to make the purpose, technical solution and advantages of the present technical solution more clear, the present technical solution is further described in detail below with reference to specific embodiments. It should be understood that the description is intended to be exemplary only, and is not intended to limit the scope of the present teachings.
As shown in fig. 1, the cooling device for plastic film production provided in this embodiment includes a cooling chamber 10, an air cooling assembly and a water spraying device 30, two opposite side surfaces of the cooling chamber 10 are provided with a material inlet and a material outlet which are horizontally opposite, the air cooling assembly includes a fan 21 and an air transmission pipeline 22, the fan 21 is disposed outside the cooling chamber 10, a first end of the air transmission pipeline 22 is connected with an air output end of the fan 21, a second end of the air transmission pipeline 22 is disposed toward a plastic film moving path, the water spraying device 30 is disposed above the plastic film moving path, an output end of the water spraying device 30 faces the film moving path, a gas collecting hood 11 is disposed on the top of the cooling chamber 10, and a gas exhaust pipeline 12 is connected to the top of the gas collecting hood 11; the feed inlet is provided with a soft brush 16 for shielding the air in the cooling chamber 10 from being discharged, the discharge outlet is provided with a cotton cloth brush 18, the cotton cloth brush 18 is correspondingly arranged at the inner edge of the top of the discharge outlet, and the length of the cotton cloth brush 18 is greater than the distance from the inner edge of the top of the discharge outlet to the moving path of the plastic film.
This device avoids the air to flow out fast getting the material mouth through soft brush 16, and after plastic film entered into cooling chamber 10, through the 30 atomizing trickle of trickle device, simultaneously here, fan 21 passes through gas pipeline 22 to plastic film air cooling, and the air of most input is collected and is discharged by exhaust pipe 12 by gas collecting channel 11 after the steam conversion, and exhaust pipe 12 need not to increase air pressure device. The plastic film is finally removed from the cooling chamber 10 through a discharge port after the remaining water mist is cleaned by a cotton cloth brush 18.
The discharge port is provided with a supporting roller 17 for supporting the plastic film, and the supporting roller 17 is arranged at the inner edge of the bottom of the discharge port. Preferably, the backup roll 17 is a water-cooled roll. Bearing roller 17's effect supports plastic film in this embodiment, wherein the through dead weight overlap joint of cotton brush 18 on plastic film, and after the cotton brush 18 absorbed water, through capillary phenomenon with the water upwards transmission, positive pressure is appeared to the air in the cooling chamber 10 for the air flows from the discharge gate, and bearing roller 17 bearing plastic film has the effect of here to the plastic film cooling simultaneously concurrently.
The second end of the air transmission pipeline 22 is arranged upwards, the cold air discharged by the air transmission pipeline 22 is heated after contacting the plastic film, and the general flow direction is upwards. Another benefit of the air delivery conduit 22 being disposed with its second end facing upward is to avoid turbulence of the cold and hot air in the cooling chamber 10.
Preferably, the second end of the air delivery conduit 22 is flared in a trumpet shape. The air transmission pipeline 22 is wrapped with an insulating layer. The flared opening enables the area covered by the cold air to be larger, and in this embodiment, the end of the second end of the air delivery pipeline 22 is a flared opening with a rectangular cross section.
The cooling chamber 10 is provided with a pair of press cooling roller sets 40 corresponding to the plastic film moving path, and the pair of press cooling roller sets 40 are non-dewing cooling rollers. The two effects are provided for the compression cooling roller group 40, the first effect is to directly cool the plastic film through the compression cooling roller group 40, and the second effect is to form liquid flow by blocking water mist on the surface of the film through the compression cooling roller group 40, and the water mist is blocked by the compression cooling roller group 40 and flows down from the side face of the plastic film.
The bottom position in the cooling chamber 10 is provided with a partition plate 13, a water through hole 131 is arranged on the partition plate 13 corresponding to the position of the press cooling roller group 40, and a water collecting tank 14 is arranged below the water through hole 131. The liquid flows down through the water holes 131 of the partition 13, enters the water collecting tank 14, and finally is discharged out of the cooling chamber 10 through the water discharge pipeline 15 for centralized treatment.
In this embodiment, the water spraying device 30 is an atomizer. The water mist is quickly evaporated on the surface of the plastic film, basically no residual liquid drops exist, and the temperature of the plastic film is quickly reduced.
As shown in fig. 2, it should be noted that the cotton cloth brush 18 has a structure of multiple rows of cotton ropes, each row has multiple cotton ropes, and two adjacent rows of cotton ropes in the multiple rows of cotton ropes are staggered, so that the lower ends of the cotton ropes are lapped on the plastic film to form a water absorption effect. The gap between the cotton ropes is used as a channel for the gas in the cooling chamber 10 to flow out, so that the water loss of the cotton ropes is accelerated. The liquid drops on the plastic film are mainly generated by the atomized water drops of the water spraying device 30, after the pressure cooling roller group 40 is cleaned initially, the liquid on the plastic film is basically eliminated, and the cotton cloth brush 18 is only used as the final liquid drop cleaning means.
The foregoing is only a preferred embodiment of the present invention, and many variations can be made in the specific embodiments and applications of the present invention by those skilled in the art without departing from the spirit of the present invention.
Claims (9)
1. Cooling device is used in plastic film production, its characterized in that: the cooling device comprises a cooling chamber, an air cooling assembly and a water spraying device, wherein a feeding port and a discharging port which are horizontally opposite are arranged on two opposite side surfaces of the cooling chamber, the air cooling assembly comprises a fan and a gas transmission pipeline, the fan is arranged outside the cooling chamber, a first end of the gas transmission pipeline is connected with a gas output end of the fan, a second end of the gas transmission pipeline is arranged towards a plastic film moving path, the water spraying device is arranged above the plastic film moving path, an output end of the water spraying device faces the film moving path, a gas collecting hood is arranged at the top of the cooling chamber, and the top of the gas collecting hood is connected with an exhaust pipeline;
pan feeding mouth department is equipped with and is used for sheltering from the interior air escape's of cooling chamber soft brush, discharge gate department is equipped with the cotton brush, and this cotton brush corresponds to set up along department in the discharge gate top, and the length of cotton brush is greater than the distance along plastic film moving path in the discharge gate top.
2. The cooling device for plastic film production according to claim 1, wherein: the discharge gate department has the bearing roller that is used for the bearing plastic film, and this bearing roller is installed along department in the discharge gate bottom.
3. The cooling device for plastic film production according to claim 2, wherein: the bearing roller is a water-cooling roller.
4. The cooling device for plastic film production according to claim 1, wherein: the second end of the gas transmission pipeline is arranged upwards.
5. The cooling device for plastic film production according to claim 1, wherein: the second end of the gas transmission pipeline is a trumpet-shaped flaring.
6. The cooling device for plastic film production according to claim 1, wherein: the outside of the gas transmission pipeline is wrapped with a heat insulation layer.
7. The cooling device for plastic film production according to claim 1, wherein: and a pressing cooling roller set is arranged in the cooling chamber corresponding to the moving path of the plastic film, and the pressing cooling roller set is a non-dewing cooling roller.
8. The cooling device for plastic film production according to claim 7, wherein: the bottom position in the cooling chamber is equipped with the baffle, the position that corresponds pressure cooling roller set on the baffle is equipped with the water hole, crosses the water hole below and sets up the water catch bowl.
9. The cooling device for plastic film production according to claim 1, wherein: the water spraying device is an atomizer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120276106.XU CN214605444U (en) | 2021-02-01 | 2021-02-01 | Cooling device for plastic film production |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120276106.XU CN214605444U (en) | 2021-02-01 | 2021-02-01 | Cooling device for plastic film production |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214605444U true CN214605444U (en) | 2021-11-05 |
Family
ID=78439847
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120276106.XU Active CN214605444U (en) | 2021-02-01 | 2021-02-01 | Cooling device for plastic film production |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214605444U (en) |
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2021
- 2021-02-01 CN CN202120276106.XU patent/CN214605444U/en active Active
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