CN219667214U - Degradable composite film drying device - Google Patents
Degradable composite film drying device Download PDFInfo
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- CN219667214U CN219667214U CN202320930744.8U CN202320930744U CN219667214U CN 219667214 U CN219667214 U CN 219667214U CN 202320930744 U CN202320930744 U CN 202320930744U CN 219667214 U CN219667214 U CN 219667214U
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- 238000001035 drying Methods 0.000 title claims abstract description 56
- 239000002131 composite material Substances 0.000 title claims abstract description 44
- 239000002994 raw material Substances 0.000 claims abstract description 88
- 238000010438 heat treatment Methods 0.000 claims abstract description 34
- 239000003292 glue Substances 0.000 claims abstract description 25
- 239000011248 coating agent Substances 0.000 claims abstract description 12
- 238000000576 coating method Methods 0.000 claims abstract description 12
- 239000000463 material Substances 0.000 claims abstract description 12
- 238000007791 dehumidification Methods 0.000 claims description 16
- 239000012528 membrane Substances 0.000 claims description 9
- 238000000748 compression moulding Methods 0.000 claims description 2
- 238000000605 extraction Methods 0.000 claims description 2
- 239000002985 plastic film Substances 0.000 claims 1
- 229920006255 plastic film Polymers 0.000 claims 1
- 238000000034 method Methods 0.000 abstract description 13
- 230000008569 process Effects 0.000 abstract description 10
- 238000003892 spreading Methods 0.000 abstract description 6
- 230000007480 spreading Effects 0.000 abstract description 6
- 238000003825 pressing Methods 0.000 abstract description 4
- 238000005516 engineering process Methods 0.000 description 7
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 6
- 238000007599 discharging Methods 0.000 description 5
- 238000010073 coating (rubber) Methods 0.000 description 3
- 150000001875 compounds Chemical class 0.000 description 3
- 230000006835 compression Effects 0.000 description 3
- 238000007906 compression Methods 0.000 description 3
- 230000007246 mechanism Effects 0.000 description 2
- 238000002360 preparation method Methods 0.000 description 2
- 230000001360 synchronised effect Effects 0.000 description 2
- 238000004804 winding Methods 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 238000004026 adhesive bonding Methods 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- -1 drying treatment Substances 0.000 description 1
- 238000001704 evaporation Methods 0.000 description 1
- 230000008020 evaporation Effects 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000003908 quality control method Methods 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000004381 surface treatment 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
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/10—Greenhouse gas [GHG] capture, material saving, heat recovery or other energy efficient measures, e.g. motor control, characterised by manufacturing processes, e.g. for rolling metal or metal working
Landscapes
- Drying Of Solid Materials (AREA)
Abstract
The utility model discloses a degradable composite film drying device which comprises a base, wherein a plurality of raw material rollers are arranged on the base, raw material films are wound on the raw material rollers, a drying assembly for drying the raw material films is fixedly arranged on the base, a material receiving roller is fixedly arranged on the base, and the raw material films are wound on the material receiving roller after being sequentially wound around the drying assembly, a glue spreading roller and a composite heat drum through the raw material rollers, are pressed into composite films through the pressing rollers, and are wound on the material receiving roller. In the using process, the raw material film is dried through the drying component, when the raw material film passes through the glue coating roller, the glue coating roller carries out glue coating treatment on the raw material film, the raw material film is heated through the composite heating drum, the raw material film is pressed and molded through the pressing roller after being heated, the composite film is finally formed and wound on the material receiving roller, and when the drying component dries the composite film, the driving turbine drives the driven turbine to rotate, and steam in the dehumidifying box is discharged through the dehumidifying pipe.
Description
Technical Field
The utility model relates to the technical field of drying equipment, in particular to a degradable composite film drying device.
Background
The composite film technological process is a technological process formed by processing and bonding two or more films with different properties, in particular to the preparation of a degradable composite film, and the degradable composite film technological process is a high-precision and high-requirement technological process, and relates to a plurality of links such as material preparation, surface treatment, adhesive coating, drying treatment, composite film, finishing processing, finished product inspection and the like, and the high-quality composite film capable of meeting various application requirements can be produced only through fine operation and strict quality control.
Among the prior art, the preheating drying device of a complex film product roller of publication No. CN106595262A ", it is sealed rectangle casing, the rear end of casing is equipped with sealed backplate, be equipped with multiunit support subassembly on the different altitudes in the casing, a set of support subassembly comprises two roll table supports, two roll table supports of a set of support subassembly are installed at sealed backplate's both ends symmetrically, roll table support's one end is passed through rotation axis movable mounting on sealed backplate, roll table support's the other end is through buckle movable mounting in the draw-in groove on the casing, be equipped with two assorted draw-in grooves on a roll table support in the casing: the feeding clamping groove and the discharging clamping groove are arranged at a position, higher than the mounting height of the roller way support rotating shaft, of the discharging clamping groove, and lower than the mounting height of the roller way support rotating shaft; the device passes through the axle of roll table support fixed product roller, and the surface of product roller does not contact with the casing is inside, makes things convenient for the stoving of product roller, and product roller can quick feeding and ejection of compact in the casing, makes things convenient for operating personnel to operate.
However, the prior art still has great disadvantages, such as:
although there are devices or structures for drying composite films after the composite treatment in the prior art and the above devices, in actual processing, transportation and storage, the raw material film for preparing the composite film (particularly, the degradable composite film) has water absorption property, which causes the raw material film to absorb moisture in the air when being stored or transported, and the moisture adheres to the raw material film, which affects the composite process of the composite film, so that the quality of the prepared composite film is problematic;
in the prior art, there is a device capable of drying the raw material film, but in order to make the drying of the raw material film more sufficient, the drying device in the prior art is often designed to have an excessively large volume and occupy excessive processing space, and after the drying device dries the raw material film, water vapor can be directly evaporated in a workshop, and if the water vapor is attached to other machines or electrical components, the normal operation of the machines or electrical components is affected. And even cause electrical components to short out causing a hazard.
Disclosure of Invention
The utility model aims to provide a degradable composite film drying device which is used for solving the problems in the background technology.
In order to achieve the above purpose, the present utility model provides the following technical solutions:
the utility model provides a degradable complex film drying device, includes the base, be provided with a plurality of raw materials rollers on the base, a plurality of the winding is provided with the raw materials membrane on the raw materials roller, fixedly on the base be provided with the stoving subassembly that dries the raw materials membrane, fixedly on the base be provided with a plurality of glue spreader, the raw materials membrane walks around a plurality of glue spreader, a plurality of glue spreader carries out the rubber coating to the raw materials membrane and handles, fixedly on the base be provided with a plurality of compound hot drums, a plurality of compound hot drums heats the raw materials membrane, fixedly on the base be provided with a plurality of compression rollers, a plurality of the compression rollers are used for carrying out compression moulding to the raw materials membrane, fixedly on the base is provided with receipts material roller, the raw materials membrane walk around stoving subassembly, glue spreader and compound hot drum after the compression roller is pressed into the complex film, twine on the receipts material roller.
Preferably, the drying assembly comprises a drying box fixedly arranged on a base, a pipeline is fixedly arranged in the drying box, the pipeline comprises an air inlet end, an air exhaust section, a heating section and an air outlet end, a heating rod is fixedly arranged on the base, the heating rod penetrates through the surface of the heating section, one end of the heating rod extends to the inside of the heating section, and when gas passes through the heating section of the pipeline, the heating rod heats the gas.
Preferably, a plurality of exhaust pipes are arranged on the exhaust section of the pipeline, and the exhaust pipes cool down the raw material film.
Preferably, a plurality of dehumidification boxes are fixedly arranged on the base, a plurality of guide rollers are arranged in the dehumidification boxes, and the raw material film bypasses the guide rollers.
Preferably, the gas outlet end of the pipeline is fixedly provided with an active turbine box, the active turbine box is communicated with the pipeline, a rotating shaft is arranged in the active turbine box in a rotating mode, an active turbine is fixedly arranged in the rotating shaft, when gas passes through the pipeline and flows through the active turbine box, the active turbine is driven to rotate by the gas, and a heat extraction pipe is fixedly communicated with the active turbine box.
Preferably, the one end of initiative turbine case is fixed to be provided with the driven turbine case, it is provided with driven turbine to rotate in the driven turbine case, driven turbine also sets up in the pivot, the pivot runs through the terminal surface of initiative turbine case driven turbine case, driven turbine case passes through the connecting pipe intercommunication to the one end of dehumidification case, works as when initiative turbine is driven by gas, driven turbine passes through the pivot and rotates with initiative turbine is synchronous, will gas in the dehumidification case passes through connecting pipe and driven turbine case discharge, fixed intercommunication has the wet pipe on the driven turbine case.
Preferably, the exhaust pipes are symmetrically arranged on the exhaust section, and the number of the exhaust pipes on each side is seven.
Compared with the prior art, the utility model has the beneficial effects that:
1. through the arrangement of the guide rollers, the raw material film is conveyed in an S path when passing through the drying box, and the passing time of the raw material film in the drying box is longer, so that the raw material film can be dried more fully in a narrow space;
2. through the setting of dehumidification case, the steam that the raw materials membrane produced through the stoving after the stoving case can not direct evaporation to the processing vehicle, has avoided the workshop in humidity too big, leads to the fact the influence to the work of machine, through the setting of initiative turbine case and driven turbine case, initiative turbine can drive driven turbine and rotate when being driven by gas, passes through the dehumidification pipe with the steam in the dehumidification case and arranges outdoors, avoids steam to cause the influence to the machine in the workshop.
In the using process, the raw material film is dried through the drying component, when the raw material film passes through the glue coating roller, the glue coating roller carries out glue coating treatment on the raw material film, the raw material film is heated through the composite heating drum, the raw material film is pressed and molded through the pressing roller after being heated, the composite film is finally formed and wound on the material receiving roller, and when the drying component dries the composite film, the driving turbine drives the driven turbine to rotate, and steam in the dehumidifying box is discharged through the dehumidifying pipe.
Drawings
FIG. 1 is a schematic perspective view of the whole device of the present utility model;
FIG. 2 is a schematic diagram of a three-dimensional structure of a pipeline according to the present utility model;
FIG. 3 is a side view of the overall apparatus of the present utility model;
FIG. 4 is a partial side view of the present utility model;
FIG. 5 is a schematic perspective view of the driven turbine case of the present utility model;
fig. 6 is a schematic perspective view of the active turbine case of the present utility model.
In the figure:
1. a base; 2. a raw material roller; 3. a raw material film; 4. a glue spreading roller; 5. a composite heat drum; 6. a press roller; 7. a receiving roller; 8. a drying box; 9. a pipe; 10. an air inlet end; 11. an exhaust section; 12. a heating section; 13. an air outlet end; 14. a heating rod; 15. an exhaust pipe; 16. a dehumidifying box; 17. a guide roller; 18. an active turbine box; 19. a rotating shaft; 20. an active turbine; 21. a heat discharging pipe; 22. an orbiting scroll case; 23. a driven turbine; 24. a connecting pipe; 25. a moisture removing pipe.
Detailed Description
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.
Referring to fig. 1-6, the present utility model provides a technical solution:
embodiment one:
the utility model provides a degradable complex film drying device, including base 1, be provided with a plurality of raw materials roller 2 on the base 1, the quantity of raw materials roller 2 in this embodiment is two, the winding of raw materials roller 2 is provided with raw materials film 3, raw materials roller 2 in this embodiment is the technique that is well known in the art, be the device commonly used in the technical field, this department does not make details, fixedly provided with on the base 1 the stoving subassembly that dries raw materials film 3, fixedly provided with a plurality of glue spreader 4 on the base 1, glue spreader 4 in this embodiment will carry out the rubber coating to the one side of raw materials film 3, this technique is the technique that is well known in the technical field, be the device commonly used in the technical field, this department does not make details, raw materials film 3 bypass a plurality of glue spreader 4, a plurality of glue spreader 4 carry out the rubber coating to raw materials film 3, fixedly provided with a plurality of complex heat drums 5 on the base 1, the raw material film 3 is heated by a plurality of composite thermal drums 5, which is a technology well known to those skilled in the art, and is not described in detail herein, a plurality of press rolls 6 are fixedly arranged on the base 1, the plurality of press rolls 6 are used for pressing and forming the raw material film 3, which is a technology well known to those skilled in the art, and is not described in detail herein, a material receiving roll 7 is fixedly arranged on the base 1, the material receiving roll 7 is used for receiving the formed composite film, the raw material film 3 is wound on the material receiving roll 7 after being sequentially wound around the drying component, the glue spreading roll 4 and the composite thermal drum 5 by the raw material roll 2 and being pressed into the composite film by the press rolls 6, and auxiliary components such as a traction mechanism are also arranged on the base 1, and these mechanisms or components are well known to those skilled in the art, are devices or apparatuses well known to those skilled in the art, this is not described in detail.
Embodiment two:
on the basis of the first embodiment, considering that when the raw material film 3 on the raw material roller 2 is molded, transported and stored, some raw material films 3 (particularly raw material films of degradable composite films) can absorb water vapor in air, a drying component is arranged in the embodiment to dry the raw material film 3, the drying component comprises a drying box 8 fixedly arranged on a base 1, a pipeline 9 is fixedly arranged in the drying box 8, the pipeline 9 in the embodiment is arranged in the drying box 8 in an S shape, the pipeline 9 is not directly contacted with the raw material film 3 through the arrangement of the drying box 8, the raw material film 3 is heated and dried through the drying box 8 heated by the pipeline 9, and the raw material film 3 is not deformed due to too close distance to the heated pipeline 9 through the arrangement;
the pipe 9 includes an air inlet end 10, an air outlet section 11, a heating section 12 and an air outlet end 13, the pipe 9 in this embodiment supplies air to the air inlet end 10 through an air blower or an air pump, which is a common technology in the art, and is a common device in the art, not described in detail herein, an operator can select a proper air blower or an air pump according to actual air consumption, a heating rod 14 is fixedly arranged on the base 1, the heating rod 14 penetrates through the surface of the heating section 12, one end of the heating rod 14 extends to the inside of the heating section 12, when the air passes through the heating section 12 of the pipe 9, the heating rod 14 heats the air, and the heating rod 14 in this embodiment is a common technology in the art, so that the common device in the art is not described in detail herein, and the operator can select a proper heating rod 14 according to parameters such as power;
the exhaust section 11 of the pipeline 9 is provided with a plurality of exhaust pipes 15, the exhaust pipes 15 cool the raw material film 3, more heat still remains on the raw material film 3 after heating and drying by the drying component, if the heat is too high, the subsequent gluing and other processes are influenced, so the embodiment is provided with the exhaust pipes 15 for cooling the raw material film 3 after heating and drying, the exhaust pipes 15 are symmetrically arranged on the exhaust section 11, the number of the exhaust pipes 15 on each side is seven, the base 1 is fixedly provided with a plurality of dehumidification boxes 16, the number of the dehumidification boxes 16 in the embodiment is two, the two ends of the drying box 8 are symmetrically arranged, a plurality of guide rollers 17 are arranged in the dehumidification boxes 16, the raw material film 3 bypasses the guide rollers 17, the raw material film 3 is wound on the guide rollers 17 in an S shape, and the movement distance of the raw material film 3 in the drying component can be increased, so that the drying of the raw material film 3 is more sufficient in a limited space.
Embodiment III:
considering that after the raw material film 3 is dried and heated, water vapor in the raw material film 3 can be directly evaporated into a workshop, so that the humidity in the workshop is increased, and the operation of other processes or other machines is influenced, in this embodiment, components such as an active turbine box 18 are arranged, water vapor in the dehumidifying box 16 is discharged, an active turbine box 18 is fixedly arranged on an air outlet end 13 of a pipeline 9, the active turbine box 18 is communicated with the pipeline 9, a rotating shaft 19 is rotatably arranged in the active turbine box 18, an active turbine 20 is fixedly arranged on the rotating shaft 19, when gas flows through the active turbine box 18 through the pipeline 9, the gas drives the active turbine 20 to rotate, in this embodiment, the air pressure at the air outlet end 13 of the pipeline 9 can ensure the rapid rotation of the active turbine 20, the technology is a technology well known to those skilled in the art, and is a device commonly used in the technical field, not repeated in this embodiment, a heat discharging pipe 21 is fixedly arranged on the active turbine box 18, one end of the active turbine box 18 is communicated with the pipeline 9, the other end of the active turbine box is communicated with the pipeline 9, and the gas in this embodiment is fixedly arranged on the air outlet end 21 is communicated with the pipeline 9, and the other end is communicated with the pipeline 9, when the gas flows through the active turbine box 18, and the gas flows through the active turbine 18, and the gas is discharged outside the pipeline is prevented from affecting the temperature parameters and other parameters in the workshop;
the one end of initiative turbine case 18 is fixed to be provided with driven turbine case 22, it is provided with driven turbine 23 to rotate in the driven turbine case 22, driven turbine 23 also sets up on pivot 19, pivot 19 runs through the terminal surface of initiative turbine case 18 driven turbine case 22, driven turbine case 22 communicates to the one end of dehumidification case 16 through connecting pipe 24, when initiative turbine 20 is driven by the gas in the pipeline 9, driven turbine 23 passes through pivot 19 and initiative turbine 20 synchronous rotation, the gas in the dehumidification case 16 is discharged through connecting pipe 24 and driven turbine case 22, the intercommunication is provided with wet pipe 25 on the driven turbine case 22, wet pipe 25 one end and driven turbine case 22 intercommunication in this embodiment, the other end and outdoor intercommunication, vapor in the wet pipe 25 is discharged outdoors, prevent to produce the influence to parameters such as humidity in the workshop.
Working principle: in the using process of the utility model, the raw material film 3 is dried through a drying component under the traction of a traction component, when the raw material film 3 passes through a glue spreading roller 4, the glue spreading roller 4 carries out glue spreading treatment on the raw material film 3, the raw material film 3 is heated through a composite hot drum 5, after being heated, the raw material film 3 is pressed and molded through a press roller 6, and finally, a composite film is formed and wound on a receiving roller 7;
when the raw material film passes through the drying component, the air pump or the air blower generates air, the air enters the pipeline 9 from the air inlet end 10, part of the air is discharged from the exhaust pipe 15 through the exhaust section 11 of the pipeline 9, the dried raw material film 3 is cooled, the rest of the air passes through the heating section 12 of the pipeline 9, the heating rod 14 heats the air, the heated air passes through the pipeline 9, the pipeline 9 radiates heat to dry the raw material film 3 bypassing the guide roller 17, the air enters the active turbine box 18 through the air outlet end 13 of the pipeline 9, and the air drives the active turbine 20 to rotate and is discharged outdoors through the heat discharging pipe 21;
while the driving turbine 20 rotates, the driven turbine 23 rotates synchronously with the driving turbine 20 through the rotating shaft 19, the driven turbine 23 rotates, the moisture in the dehumidifying box 16 is sucked into the driven turbine box 22 through the connecting pipe 24, and then the moisture is discharged to the outside from the dehumidifying pipe 25.
Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.
Claims (7)
1. The utility model provides a degradable complex film drying device, includes base (1), be provided with a plurality of raw materials roller (2) on base (1), a plurality of twine on raw materials roller (2) is provided with raw materials membrane (3), its characterized in that: the novel plastic film drying device is characterized in that a drying component for drying a raw material film (3) is fixedly arranged on the base (1), a plurality of glue coating rollers (4) are fixedly arranged on the base (1), the raw material film (3) bypasses the glue coating rollers (4), the glue coating rollers (4) carry out glue coating treatment on the raw material film (3), a plurality of composite heat drums (5) are fixedly arranged on the base (1), the composite heat drums (5) heat the raw material film (3), a plurality of press rollers (6) are fixedly arranged on the base (1), the press rollers (6) are used for carrying out compression molding on the raw material film (3), a material collecting roller (7) is fixedly arranged on the base (1), and the raw material film (3) sequentially bypasses the drying component, the glue coating rollers (4) and the composite heat drums (5) through the press rollers (6) to form a composite film, and then winds the composite film.
2. The degradable composite film drying apparatus of claim 1, wherein: drying assembly is including fixed stoving case (8) that set up on base (1), fixed pipeline (9) that are provided with in stoving case (8), pipeline (9) are including inlet end (10), exhaust section (11), heating section (12) and end (13) of giving vent to anger, fixed heating rod (14) that are provided with on base (1), heating rod (14) run through the surface of heating section (12), and the one end of heating rod (14) extends to the inside of heating section (12), and when gas passes through heating section (12) of pipeline (9), heating rod (14) heat gas.
3. The degradable composite film drying apparatus of claim 2, wherein: a plurality of exhaust pipes (15) are arranged on the exhaust section (11) of the pipeline (9), and the exhaust pipes (15) cool down the raw material film (3).
4. A degradable composite film drying apparatus as set forth in claim 3, wherein: a plurality of dehumidification boxes (16) are fixedly arranged on the base (1), a plurality of guide rollers (17) are arranged in the dehumidification boxes (16), and the raw material film (3) bypasses the guide rollers (17).
5. The degradable composite film drying apparatus as set forth in claim 4, wherein: the gas outlet end (13) of the pipeline (9) is fixedly provided with an active turbine box (18), the active turbine box (18) is communicated with the pipeline (9), a rotating shaft (19) is rotationally arranged in the active turbine box (18), an active turbine (20) is fixedly arranged on the rotating shaft (19), when gas passes through the pipeline (9) and flows through the active turbine box (18), the active turbine (20) is driven to rotate by the gas, and a heat extraction pipe (21) is fixedly communicated on the active turbine box (18).
6. The degradable composite film drying apparatus of claim 5, wherein: driven turbine case (22) are fixedly arranged at one end of driving turbine case (18), driven turbine case (22) are rotationally provided with driven turbine (23), driven turbine (23) also are arranged on pivot (19), pivot (19) run through the terminal surface of driving turbine case (18) driven turbine case (22), driven turbine case (22) are linked together to the one end of dehumidification case (16) through connecting pipe (24), works as when driving turbine (20) is driven by gas, driven turbine (23) are rotated with driving turbine (20) in step through pivot (19), will gas in dehumidification case (16) is discharged through connecting pipe (24) and driven turbine case (22), fixed intercommunication is equipped with wet pipe (25) on driven turbine case (22).
7. The degradable composite film drying apparatus of claim 6, wherein: the exhaust pipes (15) are symmetrically arranged on the exhaust section (11), and the number of the exhaust pipes (15) on each side is seven.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320930744.8U CN219667214U (en) | 2023-04-23 | 2023-04-23 | Degradable composite film drying device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320930744.8U CN219667214U (en) | 2023-04-23 | 2023-04-23 | Degradable composite film drying device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219667214U true CN219667214U (en) | 2023-09-12 |
Family
ID=87921754
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320930744.8U Active CN219667214U (en) | 2023-04-23 | 2023-04-23 | Degradable composite film drying device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219667214U (en) |
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2023
- 2023-04-23 CN CN202320930744.8U patent/CN219667214U/en active Active
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