CN217021150U - Polyimide film drying device that drying efficiency is high - Google Patents
Polyimide film drying device that drying efficiency is high Download PDFInfo
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- CN217021150U CN217021150U CN202123092514.9U CN202123092514U CN217021150U CN 217021150 U CN217021150 U CN 217021150U CN 202123092514 U CN202123092514 U CN 202123092514U CN 217021150 U CN217021150 U CN 217021150U
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- air inlet
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- conveying steel
- drying box
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Abstract
The utility model discloses a polyimide film drying device with high drying efficiency, which comprises a drying box, wherein conveying mechanisms are arranged on two sides in the drying box, conveying steel belts which correspondingly move from left to right are correspondingly arranged on the conveying mechanisms on the two sides, and polyimide films cast by a casting machine are arranged on the conveying steel belts; an upper air inlet is arranged on the left side of the upper end of the drying box. Still set up the open space between the upper and lower two-layer conveying steel band in the stoving incasement in this device, install seal shell in the open space, the seal shell upper end sets up down the air inlet, lower air inlet upwards aims at conveying steel band, after setting up like this, seal shell passes through the drying-machine and introduces the stoving air current, the stoving air current upwards aims at conveying steel band, can directly heat conveying steel band, conveying steel band upwards heats the polyimide film from the bottom, the combined design of the formula of blowing from top to bottom like this, make drying efficiency greatly increased, the polyimide film is also peeled off more easily, produce the also corresponding improvement of quality.
Description
Technical Field
The utility model relates to the technical field of polyimide film production, in particular to a polyimide film drying device with high drying efficiency.
Background
In the prior art, a polyimide film is formed by casting and stretching a polyimide solution, and the polyimide film on a conveying steel belt needs to be cured and dried by a heating device after casting and stretching; and drying device among the prior art is that the upper end of direct drying case sets up air inlet and gas outlet, lets in the drying air current and dries, but because the length of drying case among the prior art is very long, the drying air current that gets into from the front end just has gived off a lot to the intermediate position department heat of drying case, leads to drying efficiency not high to if the drying air current velocity of flow of beginning is great, directly blows to the thickness that polyimide film still can lead to the polyimide film and changes.
In addition, in the prior art, the polyimide film is directly heated and dried from the upper part, the conveying steel belt is rarely heated, and particularly, if the curing effect of the polyimide film at the position of peeling the conveying steel belt is not good, the peeling is likely to be difficult, and the generation quality of the polyimide film is influenced.
SUMMERY OF THE UTILITY MODEL
Utility model purpose: aiming at the defects in the prior art, the polyimide film drying device with high drying efficiency and the operation method are provided.
The technical scheme is as follows: in order to realize the purpose of the utility model, the utility model adopts the following technical scheme: a polyimide film drying device with high drying efficiency comprises a drying box for drying a polyimide film, wherein conveying mechanisms are arranged on two sides in the drying box, conveying steel belts which correspondingly move from left to right are correspondingly arranged on the conveying mechanisms on the two sides, and the conveying steel belts are provided with the polyimide film formed by tape casting through a tape casting machine; the upper end left side of stoving case is provided with the last air inlet, and this last air inlet aims at the polyimide film of below, and the upper end right side of stoving case then correspondingly is provided with the gas outlet.
An opening space is also arranged between the upper and lower layers of the conveying steel belts in the drying box, a closed shell is correspondingly arranged on the upper end surface in the opening space, a lower air inlet is arranged at the upper end of the closed shell, and the lower air inlet is aligned with the conveying steel belts upwards; the upper air inlet and the lower air inlet are respectively provided with a dryer through pipeline connection, the drying air flow entering from the upper air inlet blows to the polyimide film on the conveying steel belt from the upper part, and the drying air flow entering from the lower air inlet blows to the conveying steel belt from the lower part.
Preferably, the close housing may be disposed at a middle or right end portion of the open space, and the length of the close housing is set to 0.5-1 m.
Preferably, the lower air inlets at the upper end of the closed shell are arranged in a matrix manner.
Preferably, a middle air inlet is further arranged at the middle position of the drying box, the middle air inlet is also connected to the dryer through a pipeline, and the middle air inlet is also downwards aligned with the polyimide film on the conveying steel belt.
Preferably, a flow guide baffle is further arranged on the left side of the upper air inlet and the middle air inlet, the upper end of the flow guide baffle is vertically fixed on the side wall of the upper end of the drying box, and the lower end of the flow guide baffle extends towards the right side in an inclined mode, so that drying air flow entering the upper air inlet and the middle air inlet can be correspondingly blocked.
Preferably, the middle of the diversion baffle is also provided with a hinge assembly, and the inclined position and the angle of the lower end of the diversion baffle can be correspondingly adjusted through the hinge assembly.
Has the advantages that: compared with the prior art, the utility model has the following advantages:
(1) the upper end of the drying box in the device is provided with an upper air inlet and an air outlet, and drying airflow can be introduced from the upper part to dry the polyimide film on the conveying steel belt; in the device, an opening space is also arranged between the upper and lower layers of conveying steel belts in the drying box, a closed shell is arranged in the opening space, a lower air inlet is arranged at the upper end of the closed shell, and the lower air inlet is upwards aligned with the conveying steel belts;
(2) the middle air inlet is arranged in the middle of the device, so that drying airflow can be supplemented correspondingly, the drying efficiency is improved, and the guide baffles are arranged on the left sides of the upper air inlet and the middle air inlet, so that the entering drying airflow can be blocked, the function of guiding the airflow is achieved, and the phenomenon that the thickness is influenced because the airflow is directly blown to the uncured polyimide film is prevented; and still install the inclination that articulated subassembly can adjust the water conservancy diversion baffle on the water conservancy diversion baffle to adjust the direction angle of stoving air current, the structure is more reasonable.
Drawings
FIG. 1 is a block diagram of the present invention.
Detailed Description
The present invention will be further illustrated with reference to the accompanying drawings and specific examples, which are carried out on the premise of the technical solution of the present invention, and it should be understood that these examples are only used for illustrating the present invention and are not used for limiting the scope of the present invention.
As shown in fig. 1, a polyimide film drying apparatus with high drying efficiency comprises a drying box 1 for drying a polyimide film, wherein two sides of the drying box 1 are provided with conveying mechanisms 2, the conveying mechanisms 2 on the two sides are correspondingly provided with conveying steel belts 3 which correspondingly move from left to right, and the conveying steel belts 3 are provided with the polyimide film cast by a casting machine; the left side of the upper end of the drying box 1 is provided with an upper air inlet 4, the upper air inlet 4 is aligned with the polyimide film below, and the right side of the upper end of the drying box 1 is correspondingly provided with an air outlet 5.
An opening space 6 is also arranged between the upper and lower layers of the conveying steel belts 3 in the drying box 1, a closed shell 7 is correspondingly arranged on the upper end surface in the opening space 6, a lower air inlet 8 is arranged at the upper end of the closed shell 7, and the lower air inlet 8 is aligned to the conveying steel belts 3 upwards; the upper air inlet 4 and the lower air inlet 8 are connected and provided with a dryer 9 through a pipeline, the drying air flow entering from the upper air inlet 4 is blown to the polyimide film on the conveying steel belt 3 from the upper part, and the drying air flow entering from the lower air inlet 8 is blown to the conveying steel belt 3 from the lower part.
The closed shell 7 can be arranged at the middle side or the right end of the open space 6, and the length of the closed shell 7 is set to be 0.5-1 m; the lower air inlet 8 at the upper end of the closed shell 7 is arranged in a matrix form.
A central air inlet 10 is also provided at the middle position of the drying box 1, the central air inlet 10 is also connected to the dryer 9 through a duct, and the central air inlet 10 is also downwardly aligned with the polyimide film on the conveyor belt 3.
The left sides of the upper air inlet 4 and the middle air inlet 10 are also provided with a flow guide baffle plate 11, the upper end of the flow guide baffle plate 11 is vertically fixed on the side wall of the upper end of the drying box 1, and the lower end of the flow guide baffle plate 11 is obliquely extended towards the right side, so that the drying air flow entering from the upper air inlet 4 and the middle air inlet 10 can be correspondingly blocked; the middle of the diversion baffle 11 is also provided with a hinge assembly 12, and the inclined position and the angle of the lower end of the diversion baffle 11 can be correspondingly adjusted through the hinge assembly 12.
The upper end of the drying box in the device is provided with an upper air inlet and an air outlet, and drying airflow can be introduced from the upper part to dry the polyimide film on the conveying steel belt; and still set up the open space between the two-layer conveying steel band about in the stoving incasement in this device, install closed housing in the open space, closed housing upper end sets up down the air inlet, lower air inlet upwards aims at the conveying steel band, after setting up like this, closed housing passes through the drying-machine and introduces the stoving air current, the stoving air current upwards aims at the conveying steel band, can directly heat the conveying steel band, the conveying steel band upwards heats the polyimide film from the bottom, the combined design of the formula of blowing from top to bottom like this, make drying efficiency greatly increased, the polyimide film is also peeled off more easily, produce the corresponding improvement of quality.
The middle air inlet is arranged in the middle of the device, so that drying airflow can be supplemented correspondingly, the drying efficiency is improved, and the guide baffles are arranged on the left sides of the upper air inlet and the middle air inlet, so that the entering drying airflow can be blocked, the function of guiding the airflow is achieved, and the phenomenon that the thickness is influenced because the airflow is directly blown to the uncured polyimide film is prevented; and still install the inclination that articulated subassembly can adjust the water conservancy diversion baffle on the water conservancy diversion baffle to adjust the guide angle of stoving air current, the structure is more reasonable.
The detailed description is to be construed as exemplary only and is not intended to limit the utility model from practice or the scope of the appended claims, which are intended to include all equivalent variations and modifications within the scope of the utility model as claimed.
Claims (6)
1. The utility model provides a polyimide film drying device that drying efficiency is high which characterized in that: the polyimide film drying device comprises a drying box (1) for drying a polyimide film, wherein conveying mechanisms (2) are arranged on two sides in the drying box (1), conveying steel belts (3) which correspondingly move from left to right are correspondingly arranged on the conveying mechanisms (2) on the two sides, and the polyimide film cast by a casting machine is arranged on the conveying steel belts (3); an upper air inlet (4) is formed in the left side of the upper end of the drying box (1), the upper air inlet (4) is aligned to the polyimide film below, and an air outlet (5) is correspondingly formed in the right side of the upper end of the drying box (1);
an opening space (6) is also arranged between the upper and lower layers of the conveying steel belts (3) in the drying box (1), a closed shell (7) is correspondingly arranged on the upper end surface in the opening space (6), a lower air inlet (8) is arranged at the upper end of the closed shell (7), and the lower air inlet (8) is upwards aligned with the conveying steel belts (3); and the upper air inlet (4) and the lower air inlet (8) are connected and provided with a dryer (9) through pipelines, the drying airflow entering the upper air inlet (4) is blown to the polyimide film on the conveying steel belt (3) from the upper part, and the drying airflow entering the lower air inlet (8) is blown to the conveying steel belt (3) from the lower part.
2. The polyimide film drying device with high drying efficiency according to claim 1, characterized in that: the closed shell (7) can be arranged at the middle side or the right end of the open space (6), and the length of the closed shell (7) is set to be 0.5-1 m.
3. The polyimide film drying device with high drying efficiency according to claim 2, characterized in that: the lower air inlet (8) at the upper end of the closed shell (7) is arranged in a matrix form.
4. The polyimide film drying device with high drying efficiency according to claim 1, characterized in that: the middle position of the drying box (1) is also provided with a middle air inlet (10), the middle air inlet (10) is also connected to the dryer (9) through a pipeline, and the middle air inlet (10) is also downwards aligned with the polyimide film on the conveying steel belt (3).
5. The polyimide film drying device with high drying efficiency according to claim 4, characterized in that: the drying box is characterized in that a flow guide baffle plate (11) is further arranged on the left side of the upper air inlet (4) and the middle air inlet (10), the upper end of the flow guide baffle plate (11) is vertically fixed on the side wall of the upper end of the drying box (1), the lower end of the flow guide baffle plate (11) extends towards the right side in an inclined mode, and drying air flow entering the upper air inlet (4) and the middle air inlet (10) can be correspondingly blocked.
6. The polyimide film drying device with high drying efficiency according to claim 5, characterized in that: the middle of the diversion baffle plate (11) is also provided with a hinge assembly (12), and the inclined position and the angle of the lower end of the diversion baffle plate (11) can be correspondingly adjusted through the hinge assembly (12).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123092514.9U CN217021150U (en) | 2021-12-09 | 2021-12-09 | Polyimide film drying device that drying efficiency is high |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123092514.9U CN217021150U (en) | 2021-12-09 | 2021-12-09 | Polyimide film drying device that drying efficiency is high |
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| Publication Number | Publication Date |
|---|---|
| CN217021150U true CN217021150U (en) | 2022-07-22 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202123092514.9U Active CN217021150U (en) | 2021-12-09 | 2021-12-09 | Polyimide film drying device that drying efficiency is high |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116423726A (en) * | 2023-04-12 | 2023-07-14 | 山东欧亚新材料科技有限公司 | Baking oven of casting machine and novel thermal polyimide film production process |
-
2021
- 2021-12-09 CN CN202123092514.9U patent/CN217021150U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116423726A (en) * | 2023-04-12 | 2023-07-14 | 山东欧亚新材料科技有限公司 | Baking oven of casting machine and novel thermal polyimide film production process |
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