CN210415197U - Prevent inside runner structure of fogging CPP curtain coating roller - Google Patents
Prevent inside runner structure of fogging CPP curtain coating roller Download PDFInfo
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- CN210415197U CN210415197U CN201920330437.XU CN201920330437U CN210415197U CN 210415197 U CN210415197 U CN 210415197U CN 201920330437 U CN201920330437 U CN 201920330437U CN 210415197 U CN210415197 U CN 210415197U
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- channel
- inner barrel
- barrel
- water inlet
- fogging
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Abstract
The utility model provides an anti-fogging CPP curtain coating roller internal flow channel structure, which comprises an outer barrel, wherein an inner barrel is sleeved in the outer barrel, the two ends of the inner barrel are provided with a water inlet channel and a water outlet channel which pass through the outer barrel, the outer surfaces of the two sides of the inner barrel are respectively provided with a side flow channel communicated with the water inlet channel and the water outlet channel, the side surface of the outer barrel outside the inner barrel is provided with an end cover, the end cover fixes the inner barrel, the water inlet channel, the water outlet channel and the inner barrel, a gap is arranged between the side flow channel and the end cover, cooling water entering from the water inlet channel flows into a spiral flow channel between the inner barrel and the outer barrel through the side flow channel to cool the outer barrel, and finally flows out from the water outlet channel through the side flow channel, in the process, a certain gap exists between the side flow channel and the end cover through which the cooling water flows, at the moment, the cooling, thereby eliminating the influence on production and improving the production quality.
Description
Technical Field
The utility model belongs to plastic film processing equipment field specifically is a prevent inside runner structure of fogging CPP curtain coating roller.
Background
The cast film is a non-stretching and non-oriented cast film produced by melt casting and quenching, and has the advantages of high production speed, high yield, high film transparency, good glossiness and uniform thickness.
In the production process of casting films, the casting rollers are used for forming, in order to facilitate production, a flow channel for cooling is generally arranged in the casting rollers, and in the prior art, the flow channel in the casting rollers is of a single-head inlet and outlet structure, namely, cooling liquid enters from one end face of a roller and is discharged from the other end after flowing through the whole roller. Because the high-temperature molten liquid is cooled and shaped on the surface of the roller, the high-temperature state of the surface of the roller is caused under the action of solid heat transfer, but the low temperature of the surface of the roller is caused because the water inlet end of the roller (namely the end cover positions at the two sides of the roller) cannot be completely covered by the molten liquid, so that water mist is easily generated at the roller end in the production process to influence the production.
SUMMERY OF THE UTILITY MODEL
The utility model discloses a to the problem among the prior art, provide a prevent that fogging CPP curtain coating roller internal flow structure now, avoid the roll surface to lead to the phenomenon of fogging because of the temperature difference that exists to improve production efficiency and production quality.
The utility model provides a prevent inside runner structure of fog CPP curtain coating roller, including outer bucket, outer bucket endotheca is equipped with interior bucket, interior bucket both ends are equipped with the inlet channel and the play water course that pass outer bucket, the surface of interior bucket both sides is equipped with the side runner with inlet channel and play water course intercommunication respectively, the outer bucket side in the interior bucket outside is equipped with the end cover, the end cover is fixed with interior bucket, inlet channel, play water course, interior bucket, be equipped with the clearance between side runner and the end cover.
Preferably, the gap distance between the side flow channel and the end cover is 5-20 cm.
Preferably, the outer surface of the inner barrel is provided with a plurality of spiral parts, and the spiral parts form spiral flow channels wound on the outer surface of the inner barrel.
Preferably, the side runner is a pipeline for communicating the outer side of the inner barrel with the water inlet channel or the water outlet channel, and at least one pipeline is arranged.
Preferably, the number of the pipelines is four, and the pipelines are uniformly distributed around the water inlet channel.
Preferably, the side flow channel is two side plates for communicating the outer side of the inner barrel with the opening of the water inlet channel or the water outlet channel, a channel is formed between the two side plates for communicating the outer side of the inner barrel with the water inlet channel or the water outlet channel.
Preferably, the middle part of the inner barrel is provided with a connecting pipe for communicating the water inlet channel and the water outlet channel.
Preferably, the middle part of the connecting pipe is communicated with the middle runner outside the inner barrel.
Preferably, the middle flow channel is a middle pipeline for communicating the outer side of the inner barrel with the connecting pipes, and four middle pipelines are arranged and evenly distributed around the connecting pipes.
The utility model has the advantages that: the cooling water entering from the water inlet channel flows into the spiral flow channel between the inner barrel and the outer barrel through the side flow channel to cool the outer barrel, and finally flows out of the water outlet channel through the side flow channel.
Drawings
FIG. 1 is a schematic view of a cross-sectional structure of a casting roll of the present invention;
FIG. 2 is a schematic view of the structure of the inner drum of the casting roll of the present invention;
wherein: 1. the device comprises an outer barrel, 2, an inner barrel, 3, a water inlet channel, 4, a water outlet channel, 5, an end cover, 6, a side channel, 7, a middle channel, 8 and a connecting pipe.
Detailed Description
In order to make the above objects, features and advantages of the present invention more comprehensible, embodiments of the present invention are described in detail below with reference to the accompanying drawings. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention. The present invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein, as those skilled in the art will be able to make similar modifications without departing from the spirit and scope of the present invention.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used herein in the description of the invention is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.
As shown in fig. 1, the anti-fogging CPP casting roller internal flow channel structure comprises an outer barrel 1, an inner barrel 2 is sleeved in the outer barrel 1, a water inlet channel 3 and a water outlet channel 4 penetrating through the outer barrel 1 are arranged at two ends of the inner barrel 2, side flow channels 6 communicated with the water inlet channel 3 and the water outlet channel 4 are respectively arranged on the outer surfaces of two sides of the inner barrel 2, an end cover 5 is arranged on the side surface of the outer barrel 1 outside the inner barrel 2, the water inlet channel 3, the water outlet channel 4 and the inner barrel 2 are fixed by the end cover 5, and a gap is arranged between the side flow channels 6 and the end cover.
In the embodiment, the gap distance between the side flow channel 6 and the end cover 5 is 5-20cm, the gap between the side flow channel 6 and the end cover 5 is 10cm, and the gap is arranged between the side flow channel 6 and the end cover 5, so that after cooling water enters from the water inlet channel 3, even if the cooling water flows between the outer side of the inner barrel 2 and the inner side of the outer barrel 1 in the side flow channel 6, the outer barrel 1 is cooled, in the process, the cooling water cannot be in direct contact with one side of the end point of the outer barrel 1, and the fogging phenomenon caused by the low temperature of the water inlet is avoided.
As shown in fig. 2, the outer surface of the inner barrel 2 is provided with a plurality of spiral parts, the spiral parts form spiral flow channels wound on the outer surface of the inner barrel 2, more specifically, the bolt flow channels are a plurality of channels formed between the spiral protrusions arranged on the outer side of the inner barrel 2, and through the spiral protrusion structure, the gap between the outer side of the inner barrel 2 and the inner side of the outer barrel 1 can be divided, so that a plurality of flow channels which do not interfere with each other or interfere less with each other are formed, and the cooling efficiency of the outer barrel 1 can be improved.
Wherein, the side flow passage 6 is a pipeline for communicating the outer side of the inner barrel 2 with the water inlet passage 3 or the water outlet passage 4, and at least one pipeline is arranged. In this embodiment, the number of the pipelines is four, the pipelines are uniformly distributed around the water inlet channel 3, openings communicated with the side flow channel 6 are respectively arranged on the water inlet channel 3 and the inner barrel 2, and the water inlet channel 3 is communicated with the outer side of the inner barrel 2 through the connection of the openings and the pipeline of the side flow channel 6, so that cooling water can flow into a gap between the outer side of the inner barrel 2 and the inner side of the outer barrel 1 through the side flow channel 6, of course, the side flow channel 6 with the same structure is arranged on one side of the water outlet channel 4, and the cooling water on the outer side of the inner barrel 2 enters the water outlet channel 4 through the side.
Certainly, other structures can be set for the side flow channel 6 according to actual requirements, the side flow channel 6 is two side plates which are communicated with the opening of the water inlet channel 3 or the water outlet channel 4 and the outer side of the inner barrel 2, a channel is formed between the two side plates, the opening of the inner barrel 2 and the opening of the water inlet channel 3 or the water outlet channel 4 are communicated, specifically, the side plates are respectively arranged on the two sides of the opening of the water inlet channel 3 and the opening of the inner barrel 2, the side plates are sealed with the water inlet channel 3 and the inner barrel 2, cooling liquid can flow to the outer side of the inner barrel 2 through the channel formed between the two side plates to cool the outer barrel 1, and certainly, the same structure is also arranged on one side.
Wherein, the middle part of the inner barrel 2 is provided with a connecting pipe 8 for communicating the water inlet channel 3 and the water outlet channel 4. Furthermore, the middle part of the connecting pipe 8 is communicated with the middle runner 7 at the outer side of the inner barrel 2. Furthermore, the middle flow channel 7 is a middle pipeline for communicating the outer side of the inner barrel 2 and the connecting pipes 8, and four middle pipelines are arranged and are uniformly distributed around the connecting pipes 8. The middle of the inner barrel 2 is provided with the connecting pipe 8 and the middle flow passage 7, which not only can improve the strength of the inner barrel 2, but also can improve the cooling efficiency through the connecting pipe 8 and the middle flow passage 7.
Finally, in the present embodiment, the water inlet channel 3 and the water outlet channel 4 are designed to be connected and conveyed by seamless pipes, so that the cooling liquid does not stay, and the cooling efficiency can be improved.
The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.
The above-mentioned embodiments only represent some embodiments of the present invention, and the description thereof is specific and detailed, but not to be construed as limiting the scope of the present invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several variations and modifications can be made, which are within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the appended claims.
Claims (9)
1. An anti-fogging CPP casting roller internal flow channel structure is characterized by comprising an outer barrel, wherein an inner barrel is sleeved in the outer barrel, a water inlet channel and a water outlet channel which penetrate through the outer barrel are arranged at two ends of the inner barrel, side flow channels communicated with the water inlet channel and the water outlet channel are respectively arranged on the outer surfaces of two sides of the inner barrel, an end cover is arranged on the side surface of the outer barrel on the outer side of the inner barrel, the water inlet channel, the water outlet channel and the inner barrel are fixed through the end cover, and a gap is formed between each side.
2. The anti-fogging CPP casting roll inner runner structure according to claim 1, characterized in that: the gap distance between the side flow channel and the end cover is 5-20 cm.
3. The anti-fogging CPP casting roll inner runner structure according to claim 1, characterized in that: the outer surface of the inner barrel is provided with a plurality of spiral parts, and the spiral parts form spiral flow channels wound on the outer surface of the inner barrel.
4. The anti-fogging CPP casting roll inner runner structure according to claim 2, characterized in that: the side flow channel is a pipeline which is communicated with the outer side of the inner barrel and the water inlet channel or the water outlet channel, and at least one pipeline is arranged.
5. The anti-fogging CPP casting roll inner runner structure according to claim 4, characterized in that: the number of the pipelines is four, and the pipelines are uniformly distributed around the water inlet channel.
6. The anti-fogging CPP casting roll inner runner structure according to claim 2, characterized in that: the side flow channel is two side plates which are communicated with the opening of the water inlet channel or the water outlet channel and the outer side of the inner barrel, a channel is formed between the two side plates, and the outer side of the inner barrel is communicated with the water inlet channel or the water outlet channel.
7. The anti-fogging CPP casting roll inner runner structure according to claim 4 or 5, characterized in that: the middle part of the inner barrel is provided with a connecting pipe which is communicated with the water inlet channel and the water outlet channel.
8. The anti-fogging CPP casting roll inner runner structure according to claim 7, characterized in that: the middle part of the connecting pipe is communicated with the middle flow channel outside the inner barrel.
9. The anti-fogging CPP casting roll inner runner structure according to claim 8, characterized in that: the middle flow channel is a middle pipeline which is communicated with the outer side of the inner barrel and the connecting pipes, and four middle pipelines are arranged and are uniformly distributed around the connecting pipes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920330437.XU CN210415197U (en) | 2019-03-15 | 2019-03-15 | Prevent inside runner structure of fogging CPP curtain coating roller |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920330437.XU CN210415197U (en) | 2019-03-15 | 2019-03-15 | Prevent inside runner structure of fogging CPP curtain coating roller |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210415197U true CN210415197U (en) | 2020-04-28 |
Family
ID=70360863
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920330437.XU Expired - Fee Related CN210415197U (en) | 2019-03-15 | 2019-03-15 | Prevent inside runner structure of fogging CPP curtain coating roller |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210415197U (en) |
-
2019
- 2019-03-15 CN CN201920330437.XU patent/CN210415197U/en not_active Expired - Fee Related
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200428 |
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| CF01 | Termination of patent right due to non-payment of annual fee |