CN220883353U - Film shaping mechanism - Google Patents
Film shaping mechanism Download PDFInfo
- Publication number
- CN220883353U CN220883353U CN202322687816.3U CN202322687816U CN220883353U CN 220883353 U CN220883353 U CN 220883353U CN 202322687816 U CN202322687816 U CN 202322687816U CN 220883353 U CN220883353 U CN 220883353U
- Authority
- CN
- China
- Prior art keywords
- cooling
- end covers
- cavity
- cooling roller
- cover body
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- 238000007493 shaping process Methods 0.000 title claims abstract description 24
- 238000001816 cooling Methods 0.000 claims abstract description 68
- 238000005192 partition Methods 0.000 claims abstract description 8
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 36
- 239000000498 cooling water Substances 0.000 claims description 9
- 238000004513 sizing Methods 0.000 claims 4
- 230000000694 effects Effects 0.000 abstract description 16
- 230000003014 reinforcing effect Effects 0.000 abstract 1
- 238000001125 extrusion Methods 0.000 description 5
- 238000012423 maintenance Methods 0.000 description 2
- 238000004140 cleaning Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000003475 lamination Methods 0.000 description 1
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
Landscapes
- Extrusion Moulding Of Plastics Or The Like (AREA)
Abstract
The utility model discloses a film shaping mechanism, which comprises a base, a cooling roller and a negative pressure shaping assembly, wherein the cooling roller is arranged on the base; the base is provided with a linear guide rail which is longitudinally arranged, the linear guide rail is provided with a mounting frame in a sliding manner, and the mounting frame comprises a left wallboard and a right wallboard; the two ends of the cooling roller are rotatably arranged on the left wallboard and the right wallboard; the negative pressure shaping assembly is arranged above the cooling roller of the cooling station and comprises a cover body, an airflow gap is formed between the cover body and the cooling roller, a vertically arranged partition plate is arranged on the cover body, the partition plate divides an inner cavity of the cover body into a front cavity and a rear cavity, and the front cavity and the rear cavity are connected with a negative pressure source through respective pipelines. The air current and the vapor that hot film and chill roll contact produced below the cover body are taken away by negative pressure design subassembly, and the cooling effect reinforcing makes the film rapid cooling, design, improves the design effect.
Description
Technical Field
The utility model relates to an improved utility model of a film shaping mechanism.
Background
Film is extruded by the die head and is rolled up after the cooling of chill roll cooling design, and at present the chill roll adopts the water-cooling, exists the cooling effect not good, influences the design effect of film, leads to the film to be stretched, and film quality is poor.
Disclosure of Invention
In view of the technical problems existing in the background art, the technical problems solved by the utility model aim to provide the film shaping mechanism with good cooling effect and shaping effect.
In order to solve the technical problems, the utility model adopts the following technical scheme: this kind of film forming mechanism, its characterized in that: comprises a base, a cooling roller and a negative pressure shaping assembly;
The base is provided with a linear guide rail, the linear guide rail is longitudinally arranged, the linear guide rail is provided with a mounting frame in a sliding manner, and the mounting frame comprises a left wallboard and a right wallboard;
the two ends of the cooling roller are rotatably arranged on the left wallboard and the right wallboard;
The negative pressure shaping assembly is arranged above the cooling roller of the cooling station and comprises a cover body, an airflow gap is formed between the cover body and the cooling roller, a vertically arranged partition plate is arranged on the cover body, the partition plate divides an inner cavity of the cover body into a front cavity and a rear cavity, and the front cavity and the rear cavity are connected with a negative pressure source through respective pipelines.
The film is wound on the cooling roller after being extruded, meanwhile, a negative pressure source of the negative pressure shaping assembly enables the front cavity and the rear cavity to be pumped through a pipeline, air flow below the cover body and water vapor generated by contact of the hot film and the cooling roller are sucked away, the cooling effect is enhanced, the film is rapidly cooled and shaped, and the shaping effect is improved; the film passes through the rear cavity and then the front cavity, the front cavity and the rear cavity are respectively pumped, and different suction forces are adopted by the front cavity and the rear cavity, so that the airflow fully flows, the influence on the film is reduced, the film is uniformly stretched, and the quality is better.
Preferably, a uniform flow baffle is arranged in the front cavity, and uniform flow holes are uniformly distributed on the uniform flow baffle. The air draft is stable and uniform, so that the cooling effect is enhanced, the deformation of the film is avoided, and the quality of the film is improved.
Preferably, a baffle and a uniform air plate are arranged in the rear cavity, the baffle is arranged on the baffle, and a circulation gap is formed between the rear end of the baffle and the cover body; the air homogenizing plate is arranged above the baffle plate and is staggered from the circulation gap up and down, and air homogenizing holes are formed in the air homogenizing plate. The rear cavity adopts larger suction force, and the suction force is fine and uniform after being processed by the air homogenizing plate and the baffle.
Preferably, the cooling roller includes an outer cylinder and an inner cylinder;
The outer cylinder comprises a columnar outer cylinder body and two outer end covers, the circumferential surfaces of the two outer end covers are connected with the outer cylinder body, the two outer end surfaces are respectively provided with a rotating shaft, one rotating shaft is provided with a water inlet channel, and the other rotating shaft is provided with a water outlet channel;
The inner cylinder comprises a columnar inner cylinder body and two inner end covers, the circumferential surfaces of the two inner end covers are connected with the inner cylinder body, the two ends of the inner cylinder body are connected with the outer end covers, cooling cavities are arranged between the inner end covers and the outer end covers and between the inner cylinder body and the outer cylinder body, water through holes are formed in the inner cylinder body between the inner end covers and the outer end covers, and the water inlet channel and the water outlet channel are communicated with the cooling cavities between the inner end covers and the outer end covers. Cooling water enters a cooling cavity between the outer cylinder and the inner cylinder from the water inlet channel, is discharged from the water outlet channel, cold water enters the cooling cavity, and hot water is discharged, so that the cooling effect is improved; the space occupied by the cooling cavity is small, the weight of the cooling roller is light, the power required for driving the cooling roller to rotate is small, the energy is saved, and the practicability is better.
Preferably, the outer surface of the inner cylinder is provided with threads for enabling cooling water to flow to the water outlet channel. The screw thread sets up the flow that quickens the cooling water, improves the cooling effect.
Drawings
Fig. 1 is a schematic structural view of the present utility model.
FIG. 2 is a schematic diagram of a negative pressure shaping assembly and a cooling roller according to the present utility model.
FIG. 3 is a schematic view of the negative pressure setting assembly of the present utility model.
Fig. 4 is a cross-sectional view of a chill roll according to the present utility model.
Detailed Description
The details and working principles of the embodiments and examples of the present utility model are described below with reference to the drawings. The film shaping mechanism comprises a base, a cooling roller 2 and a negative pressure shaping assembly 4; the base is provided with a linear guide rail 5 which is longitudinally arranged, the linear guide rail is provided with a mounting frame 1 in a sliding manner, and the mounting frame comprises a left wallboard and a right wallboard; the two ends of the cooling roller 2 are rotatably arranged on the left wallboard and the right wallboard. The cooling roller 2 comprises an outer cylinder and an inner cylinder, the outer cylinder comprises a columnar outer cylinder 19 and two outer end covers 17, the circumferential surfaces of the two outer end covers are connected with the outer cylinder, the two outer end surfaces are respectively provided with a rotating shaft 15, one rotating shaft is provided with a water inlet channel 16, and the other rotating shaft is provided with a water outlet channel 26; the inner cylinder comprises a columnar inner cylinder body 20 and two inner end covers 18, the outer surface of the inner cylinder body is provided with threads for enabling cooling water to flow to a water outlet channel, the circumferential surfaces of the two inner end covers are connected with the inner cylinder body, the two ends of the inner cylinder body are connected with the outer end covers, cooling cavities are arranged between the inner end covers and the outer end covers and between the inner cylinder body and the outer cylinder body, the cooling cavities between the two inner end covers and the two outer end covers are respectively a first cavity 22 and a second cavity 25 for convenience in description, the cooling cavity between the inner cylinder body and the outer cylinder body is a third cavity 21, a water through hole 23 is arranged on the inner cylinder body between the inner end cover and the outer end cover, the water inlet channel and the water outlet channel are communicated with the cooling cavity between the inner end cover and the outer end cover, namely the water inlet channel 16 is communicated with the first cavity 22, the water outlet channel 26 is communicated with the second cavity 25, the first cavity and the second cavity are communicated with the third cavity through the water through holes 23, cooling water enters the first cavity from the water inlet channel, enters the third cavity from the water through holes, cooling water in the third cavity 21 enters the second cavity through the water through holes, and finally is discharged from the water outlet channel, cold water enters and hot water is discharged, so that the cooling effect is improved, and when the cooling roller rotates, the threads on the outer surface of the inner cylinder quickens the flow of the cooling water, so that the cooling water entering the water inlet channel flows to the water outlet channel quickly, and the cooling effect is improved; in addition, the double-layer design of the outer cylinder and the inner cylinder has the advantages that the space occupied by the cooling cavity is small, the weight of the cooling roller is light, the power required for driving the cooling roller to rotate is small, the energy is saved, and the practicability is better.
The negative pressure shaping assembly 4 is arranged above the cooling roller 2 of the cooling station, the output direction of the film is the front, the arrow direction in the figure is the front, the extrusion die head 3 is arranged at the rear of the negative pressure shaping assembly, the extrusion die head faces the cooling roller 2, the extruded film is coated on the cooling roller, and the film moves forward along with the cooling roller along with the rotation of the cooling roller 2. In the operation of the utility model, the mounting frame is moved to the cooling station, namely the cooling roller is moved to the lower parts of the negative pressure shaping assembly and the extrusion die head; during maintenance and cleaning, the mounting frame longitudinally moves to a maintenance station, namely the cooling roller is far away from the negative pressure shaping assembly and the extrusion die head, so that all components can be cleaned conveniently. The negative pressure shaping assembly comprises a cover body 7, an air flow gap is formed between the cover body and the cooling roller, the cover body 7 is provided with a vertically arranged partition plate 8, the partition plate divides the inner cavity of the cover body into a front cavity 5 and a rear cavity 6, and the front cavity and the rear cavity are connected with a negative pressure source through respective pipelines 9. The film is wound on the cooling roller 2 after extrusion, a negative pressure source of the negative pressure shaping assembly enables the front cavity 5 and the rear cavity 6 to be pumped through a pipeline, hot gas of the hot film and water vapor generated by the lamination of the hot film and the cooling roller are sucked away, so that the film is rapidly cooled and shaped, and the shaping effect is improved; and the film passes through the rear cavity 6 and then passes through the front cavity 5, the front cavity and the rear cavity are respectively pumped, different suction forces are adopted by the front cavity and the rear cavity, the temperature is highest when the film is extruded and the water vapor attached to the cooling roller is more, the suction force of the rear cavity is stronger than that of the front cavity, the suction force of the front cavity is weak, the influence on the film is small, the film is uniformly stretched, and the quality is better. The front cavity is internally provided with a uniform flow baffle plate 10, uniform flow holes 11 are uniformly distributed on the uniform flow baffle plate, and the uniform flow holes enable the air draft to be more stable and uniform, so that the cooling effect is improved, the deformation of the film is avoided, and the film quality is improved. The back cavity 6 is internally provided with a baffle 12 and an air homogenizing plate 14, the baffle is arranged on the baffle 8, a circulation gap 13 is formed between the back end of the baffle and the cover body, the air homogenizing plate is arranged above the baffle and is staggered with the circulation gap up and down, the air homogenizing plate is provided with an air homogenizing hole 27, the back cavity adopts larger suction force, and the suction force is careful and uniform through the air homogenizing plate and the baffle when being processed, so that the influence on a film is small, and the effect is better.
Claims (5)
1. A film forming mechanism which is characterized in that: comprises a base, a cooling roller and a negative pressure shaping assembly;
The base is provided with a linear guide rail, the linear guide rail is longitudinally arranged, the linear guide rail is provided with a mounting frame in a sliding manner, and the mounting frame comprises a left wallboard and a right wallboard;
the two ends of the cooling roller are rotatably arranged on the left wallboard and the right wallboard;
The negative pressure shaping assembly is arranged above the cooling roller of the cooling station and comprises a cover body, an airflow gap is formed between the cover body and the cooling roller, a vertically arranged partition plate is arranged on the cover body, the partition plate divides an inner cavity of the cover body into a front cavity and a rear cavity, and the front cavity and the rear cavity are connected with a negative pressure source through respective pipelines.
2. The film sizing mechanism of claim 1, wherein: and a uniform flow baffle plate is arranged in the front cavity, and uniform flow holes are uniformly distributed on the uniform flow baffle plate.
3. The film sizing mechanism of claim 1, wherein: a baffle and a uniform air plate are arranged in the rear cavity, the baffle is arranged on the baffle, and a circulation gap is formed between the rear end of the baffle and the cover body; the air homogenizing plate is arranged above the baffle plate and is staggered from the circulation gap up and down, and air homogenizing holes are formed in the air homogenizing plate.
4. The film sizing mechanism of claim 1, wherein: the cooling roller comprises an outer cylinder and an inner cylinder;
The outer cylinder comprises a columnar outer cylinder body and two outer end covers, the circumferential surfaces of the two outer end covers are connected with the outer cylinder body, the two outer end surfaces are respectively provided with a rotating shaft, one rotating shaft is provided with a water inlet channel, and the other rotating shaft is provided with a water outlet channel;
The inner cylinder comprises a columnar inner cylinder body and two inner end covers, the circumferential surfaces of the two inner end covers are connected with the inner cylinder body, the two ends of the inner cylinder body are connected with the outer end covers, cooling cavities are arranged between the inner end covers and the outer end covers and between the inner cylinder body and the outer cylinder body, water through holes are formed in the inner cylinder body between the inner end covers and the outer end covers, and the water inlet channel and the water outlet channel are communicated with the cooling cavities between the inner end covers and the outer end covers.
5. The film sizing mechanism of claim 4, wherein: the external surface of the inner cylinder body is provided with threads for enabling cooling water to flow to the water outlet channel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322687816.3U CN220883353U (en) | 2023-10-08 | 2023-10-08 | Film shaping mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322687816.3U CN220883353U (en) | 2023-10-08 | 2023-10-08 | Film shaping mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220883353U true CN220883353U (en) | 2024-05-03 |
Family
ID=90841945
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322687816.3U Active CN220883353U (en) | 2023-10-08 | 2023-10-08 | Film shaping mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220883353U (en) |
-
2023
- 2023-10-08 CN CN202322687816.3U patent/CN220883353U/en active Active
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| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant |