CN220242390U - Heating device for plastic film blowing machine head - Google Patents
Heating device for plastic film blowing machine head Download PDFInfo
- Publication number
- CN220242390U CN220242390U CN202320995240.4U CN202320995240U CN220242390U CN 220242390 U CN220242390 U CN 220242390U CN 202320995240 U CN202320995240 U CN 202320995240U CN 220242390 U CN220242390 U CN 220242390U
- Authority
- CN
- China
- Prior art keywords
- machine head
- filter screen
- filter
- plastic film
- film blowing
- 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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- 238000010438 heat treatment Methods 0.000 title claims abstract description 31
- 238000010096 film blowing Methods 0.000 title claims abstract description 24
- 239000002985 plastic film Substances 0.000 title claims abstract description 23
- 229920006255 plastic film Polymers 0.000 title claims abstract description 23
- 239000011248 coating agent Substances 0.000 claims abstract description 11
- 238000000576 coating method Methods 0.000 claims abstract description 11
- 239000002274 desiccant Substances 0.000 claims abstract description 10
- 239000004033 plastic Substances 0.000 claims description 26
- 229920003023 plastic Polymers 0.000 claims description 26
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 claims description 5
- 230000003068 static effect Effects 0.000 claims description 4
- 239000000463 material Substances 0.000 claims description 2
- 241000220317 Rosa Species 0.000 claims 3
- 238000004519 manufacturing process Methods 0.000 claims 1
- 238000007664 blowing Methods 0.000 abstract description 17
- 244000280244 Luffa acutangula Species 0.000 abstract description 13
- 235000009814 Luffa aegyptiaca Nutrition 0.000 abstract description 13
- 238000009413 insulation Methods 0.000 abstract description 13
- 238000000926 separation method Methods 0.000 abstract description 8
- 239000012535 impurity Substances 0.000 description 9
- 239000000428 dust Substances 0.000 description 8
- 239000002245 particle Substances 0.000 description 6
- 230000004888 barrier function Effects 0.000 description 4
- 238000000071 blow moulding Methods 0.000 description 2
- 239000000919 ceramic Substances 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000000835 fiber Substances 0.000 description 2
- 239000011325 microbead Substances 0.000 description 2
- 239000004576 sand Substances 0.000 description 2
- 238000001179 sorption measurement Methods 0.000 description 2
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 235000013361 beverage Nutrition 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 235000013305 food Nutrition 0.000 description 1
- 235000021022 fresh fruits Nutrition 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 235000013372 meat Nutrition 0.000 description 1
- 239000000155 melt Substances 0.000 description 1
- 239000008267 milk Substances 0.000 description 1
- 210000004080 milk Anatomy 0.000 description 1
- 235000013336 milk Nutrition 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 238000004806 packaging method and process Methods 0.000 description 1
- 235000021110 pickles Nutrition 0.000 description 1
- 238000004321 preservation Methods 0.000 description 1
- 239000012720 thermal barrier coating Substances 0.000 description 1
Landscapes
- Processing And Handling Of Plastics And Other Materials For Molding In General (AREA)
Abstract
The utility model discloses a heating device of a plastic film blowing machine head, which comprises a machine head, wherein a core die is arranged in the machine head, a blowing pipe is fixedly connected in the core die, an air inlet of the blowing pipe extends into a filter box, a separation net is fixedly connected in the filter box, a drying agent is filled in the separation net, a filter screen a is arranged in the filter box, an electrostatic electret filter screen is adhered to the filter screen a, the electrostatic electret filter screen is positioned on the left side of a loofah sponge, the loofah sponge is positioned on the left side of a filter screen b, a heat insulation coating is coated on the outer surface of the machine head, a temperature sensor is embedded in the machine head, and a heating plate is arranged in the machine head.
Description
Technical Field
The utility model relates to a heating device of a plastic film blowing machine head, in particular to a heating device of a plastic film blowing machine head, and belongs to the technical field of plastic film blowing machines.
Background
The plastic film blowing machine heats and melts plastic particles and blows the plastic particles into a film. The film blowing machine produces films suitable for various high-grade film packages. The film has good barrier property, fresh keeping, moisture proofing, frost proofing, oxygen insulation and oil resistance, and can be widely used for light and heavy packaging. Such as various fresh fruits, meat foods, pickles, fresh milk, liquid beverages, medical supplies, etc.
The plastic film blowing machine in the prior art has the following defects: 1. in the continuous film blowing process, the inner side blowing pipe continuously blows air, and impurities such as dust carried in the air adhere to the surface of the plastic film during film blowing, so that the quality of the plastic film is affected; 2. in the continuous plastic melt conveying and film blowing process, heat in the plastic melt in the machine head is transferred to the machine head and then is subjected to heat exchange with the outside, so that the temperature of the plastic melt in the machine head is reduced, the film blowing quality is affected, and the machine head is improved according to the problems.
Disclosure of Invention
The utility model aims to solve the problems and provide a heating device of a plastic film blowing machine head, wherein the components in the filter box are matched to filter air entering a blowing pipe, so that impurities in the air can be prevented from adhering to the surface of a plastic film during film blowing; the temperature sensor, the heat-insulating coating and the heating plate can be matched to adjust the temperature at the machine head, so that the poor film blowing effect caused by low temperature of the plastic melt is avoided.
The utility model realizes the purpose through the following technical scheme that the heating device of the plastic film blowing machine head comprises a machine head, wherein a core mould is arranged in the machine head, a blowing pipe is fixedly connected in the core mould, an air inlet of the blowing pipe extends to the inside of a filter box, a separation net is fixedly connected in the filter box, a drying agent is filled in the separation net, a filter screen a is arranged in the filter box, an electrostatic electret filter screen is adhered to the filter screen a, the electrostatic electret filter screen is positioned on the left side of a loofah sponge, the loofah sponge is positioned on the left side of a filter screen b, a heat insulation coating is coated on the outer surface of the machine head, a temperature sensor is embedded in the machine head, and a heating plate is arranged in the machine head.
Preferably, a flow passage is arranged in the machine head, and the heating plate is positioned at the outer side of the flow passage.
Preferably, a filter ring b is arranged on the outer side of the core die, and the filter ring b is positioned on the inner side of the machine head.
Preferably, a filter ring a is installed at the inner bottom of the machine head, and the filter ring a is positioned below the core mold.
Preferably, a filter screen b is arranged on the right side in the filter box, and the drying agent is made of activated alumina.
Preferably, the current input ends of the temperature sensor and the heating plate are electrically connected with an external power supply through wires.
The beneficial effects of the utility model are as follows:
the filter box inner component is matched with the air blowing pipe to filter the air entering the air blowing pipe, so that impurities in the air can be prevented from adhering to the surface of the plastic film when the film is blown; the outside air is conveyed into the filter box and is firstly contacted with a filter screen b in the filter box, fine meshes on the filter screen b can intercept and filter sand and the like in the air, the filtered air continuously moves left through the loofah sponge, the loofah sponge is a net formed by interweaving a plurality of layers of filiform fibers, the air has elasticity and net gaps, impurities in the air can be intercepted, the air continuously moves left through an electrostatic electret filter screen bonded on the filter screen a after being filtered by the loofah sponge, space charges and dipole charges are stored in the electrostatic electret filter screen for a long time, dust particles can be trapped by utilizing the electrostatic force of the charges, the dust particles in the air can be removed again, the air after dust and the like are removed continuously moves left through the separation net, the separation net is filled with a drying agent made of activated alumina, the drying agent has a large surface area, the adsorption performance is good, the hygroscopicity is strong, the dehumidified air can move left into the blowing pipe to be blown by the air, the filter box can treat the air entering the blowing pipe, and the impurities in the air can be prevented from adhering to the surface of a plastic film when the impurities in the air are blown by the filter box, and the quality of the plastic film is affected.
The temperature sensor, the heat-insulating coating and the heating plate can be matched to adjust the temperature at the machine head, so that poor film blowing effect caused by low temperature of plastic melt is avoided; the vacuum cavity group formed by the nanometer hollow ceramic microbeads in the heat insulation coating is coated on the outer surface of the machine head, so that an effective heat insulation barrier is formed, the vacuum cavity group has the characteristics of low heat conduction and good heat insulation performance, the contact heat exchange between plastic melt in the machine head and the outside can be reduced, the temperature of the plastic melt can be reduced, a temperature sensor arranged in the machine head can continuously detect the temperature of the plastic melt in the machine head, when the temperature is detected to be slightly lower, heat is generated after the machine head inner heating plate is electrified, and the generated heat is continuously transmitted inwards to heat the plastic melt in the machine head runner, so that the plastic melt is kept at a proper temperature, and the influence of low temperature of the plastic melt on blow molding is avoided.
Drawings
FIG. 1 is a schematic view of the entire part-section structure of the present utility model;
fig. 2 is a schematic view of a top view of the present utility model in partial cross-section.
In the figure: 1. a machine head; 2. a core mold; 3. a blowing pipe; 4. a filter box; 5. a drying agent; 6. a filter screen a; 7. an electrostatic electret filter screen; 8. loofah sponge; 9. a filter screen b; 10. a screen; 11. a heating sheet; 12. a filter ring a; 13. a thermal barrier coating; 14. a temperature sensor; 15. a filter ring b; 16. a flow channel.
Description of the embodiments
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.
Embodiment 1 please refer to fig. 1-2, a heating device of a plastic film blowing machine head is shown, including a head 1, a core mold 2 is provided in the head 1, a blowing pipe 3 is fixedly connected in the core mold 2, an air inlet of the blowing pipe 3 extends to the inside of a filter box 4, air is conveyed into the filter box 4 and is filtered by the filter box 4 and then conveyed into the blowing pipe 3, a screen 10 is fixedly connected in the filter box 4, the screen 10 is fixed in the filter box 4, a drying agent 5 is filled in the screen 10, the screen 10 can limit the position of the drying agent 5, a filter screen a6 is mounted in the filter box 4, an electrostatic electret filter screen 7 is bonded on the filter screen a6, the electrostatic electret filter screen 7 is positioned on the left side of the loofah sponge 8, the loofah sponge 8 is positioned on the left side of a filter screen b9, a heat insulation coating 13 is coated on the outer surface of the head 1, the heat insulation coating 13 has good heat preservation capability, a temperature sensor 14 is inlaid in the head 1, the temperature sensor 14 can detect the temperature of a plastic melt, and a heating sheet 11 is mounted in the head 1.
Specifically, the flow channel 16 is provided in the machine head 1, the plastic melt moves up along the flow channel 16 to blow the film, the heating plate 11 is located at the outer side of the flow channel 16, and the heating plate 11 can heat the plastic melt in the flow channel 16.
Specifically, a filter ring b15 is mounted on the outer side of the mandrel 2, the filter ring b15 can filter the plastic melt again, and the filter ring b15 is positioned on the inner side of the handpiece 1.
Specifically, a filter screen b9 is mounted on the right side in the filter tank 4, the filter screen b9 is fixed in the filter tank 4, and the material of the drying agent 5 is activated alumina.
Specifically, the current input ends of the temperature sensor 14 and the heating plate 11 are electrically connected with an external power supply through wires, and the external power supply supplies power to the temperature sensor 14 and the heating plate 11 respectively.
Example 2: referring to fig. 1, the difference between the present embodiment and embodiment 1 is that: the filter ring a12 is arranged at the inner bottom of the machine head 1, the filter ring a12 can filter the plastic melt entering the machine head 1 and intercept impurities and the like, the filter ring a12 is positioned below the core mold 2, and the filtered plastic melt moves upwards to be conveyed.
When the utility model is used, the outside air is conveyed into the filter box 4 and is firstly contacted with the filter screen b9 in the filter box 4, fine meshes on the filter screen b9 can intercept and filter sand and the like in the air, the filtered air continuously moves left through the loofah sponge 8, the loofah sponge 8 is a net-shaped object formed by interweaving a plurality of layers of filiform fibers, the net-shaped object has elasticity and net-shaped gaps, the impurities in the air can be intercepted, the air continuously moves left through the static electret filter screen 7 adhered on the filter screen a6 after being filtered by the loofah sponge 8, the space charge and dipole charge are stored in the static electret filter screen 7 for a long time, dust particles can be trapped under the action of electrostatic force of the charge, the dust particles in the air can be removed again, the air after the dust and the like are continuously moved left through the separation net 10, the separation net 10 is filled with the drier 5 made of active alumina, the drier 5 has large surface area and good adsorption performance, the air is dehumidified, the dehumidified air moves left to enter the blowing pipe 3 to blow the film, the air entering the blowing pipe 3 can be treated by the filter box 4, the phenomenon that dust and other impurities in the air adhere to the surface of the plastic film when blowing the film can be avoided, molten plastic melt is continuously conveyed into the machine head 1 to blow the film, the outer surface of the machine head 1 is coated with the heat insulation coating 13, the vacuum cavity group consisting of nano hollow ceramic microbeads in the heat insulation coating 13 is formed, the effective heat insulation barrier is formed, the heat insulation barrier has the characteristics of low heat conduction and good heat insulation performance, the contact heat exchange between the plastic melt in the machine head 1 and the outside can be reduced, the temperature of the plastic melt in the machine head 1 can be continuously detected by the temperature sensor 14 arranged in the machine head 1, when the temperature is detected to be slightly lower, the heat is generated after the heating sheet 11 is electrified, the generated heat is continuously transmitted inwards to heat the plastic melt in the flow channel 16 of the machine head 1, so that the plastic melt is kept at a proper temperature, and the influence of low temperature of the plastic melt on blow molding is avoided.
It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present utility model may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present disclosure describes embodiments, not every embodiment is provided with a separate embodiment, and that this description is provided for clarity only, and that the disclosure is not limited to the embodiments described in detail below, and that the embodiments described in the examples may be combined as appropriate to form other embodiments that will be apparent to those skilled in the art.
Claims (6)
1. The utility model provides a heating device of plastics inflation film manufacturing machine aircraft nose, includes aircraft nose (1), its characterized in that: be equipped with mandrel (2) in aircraft nose (1), fixedly connected with blowpipe (3) in mandrel (2), the inside that the air inlet of blowpipe (3) extends to rose box (4), fixedly connected with separates net (10) in rose box (4), it has drier (5) to separate net (10) intussuseption, install filter screen a (6) in rose box (4), filter screen a (6) bonding has static electret filter screen (7), static electret filter screen (7) are located the left side of retinervus luffae (8), retinervus luffae (8) are located the left side of filter screen b (9), aircraft nose (1) surface coating has insulating coating (13), it has temperature sensor (14) to inlay in aircraft nose (1), install heating plate (11) in aircraft nose (1).
2. A heating apparatus for a plastic film blowing machine head as defined in claim 1, wherein: the machine head (1) is internally provided with a flow channel (16), and the heating plate (11) is positioned at the outer side of the flow channel (16).
3. A heating apparatus for a plastic film blowing machine head as defined in claim 1, wherein: the outer side of the core mold (2) is provided with a filter ring b (15), and the filter ring b (15) is positioned at the inner side of the machine head (1).
4. A heating apparatus for a plastic film blowing machine head as defined in claim 1, wherein: a filter ring a (12) is arranged at the inner bottom of the machine head (1), and the filter ring a (12) is positioned below the core mold (2).
5. A heating apparatus for a plastic film blowing machine head as defined in claim 1, wherein: the right side in the filter box (4) is provided with a filter screen b (9), and the material of the drying agent (5) is activated alumina.
6. A heating apparatus for a plastic film blowing machine head as defined in claim 1, wherein: the current input ends of the temperature sensor (14) and the heating plate (11) are electrically connected with an external power supply through wires.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320995240.4U CN220242390U (en) | 2023-04-27 | 2023-04-27 | Heating device for plastic film blowing machine head |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320995240.4U CN220242390U (en) | 2023-04-27 | 2023-04-27 | Heating device for plastic film blowing machine head |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220242390U true CN220242390U (en) | 2023-12-26 |
Family
ID=89232973
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320995240.4U Active CN220242390U (en) | 2023-04-27 | 2023-04-27 | Heating device for plastic film blowing machine head |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220242390U (en) |
-
2023
- 2023-04-27 CN CN202320995240.4U patent/CN220242390U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20240108 Address after: 116000 Limestone Kiln Village, Sanjianbao Town, Lushunkou District, Dalian City, Liaoning Province Patentee after: DALIAN LONG YAO PLASTIC MACHINERY Co.,Ltd. Address before: 266000 No. 287, beiwaihuan Road, Jiaozhou, Qingdao, Shandong Patentee before: Qingdao Coreda New Materials Co.,Ltd. |