Drying device for conductive film production
By using indirect drying and water vapor removal methods, the problems of material loss and humidity reduction caused by direct hot air spraying were solved, achieving efficient drying and quality assurance of the conductive film.
Patent Information
- Application Number
- CN202421830142.6
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-07-31
- Publication Date
- 2025-11-07
- Estimated Expiration
- 2034-07-31
AI Technical Summary
In the current conductive film drying process, direct hot air spraying can easily blow away the coating material, affecting the uniformity of coating. In addition, the moisture accumulation in the hot air reduces the humidity difference, affecting the water vapor migration rate and leading to a decline in production quality.
It adopts an indirect drying structure and a water vapor removal structure. Through a hot air flow chamber and a water-permeable semi-permeable membrane, it uses a circulating fan and a water vapor extraction pump to achieve indirect heating and water vapor removal, avoiding direct contact between hot air and the conductive membrane and reducing the ambient humidity.
This ensures the production quality of the conductive film, improves the moisture migration rate of the sprayed material, accelerates the drying speed, and guarantees the uniformity and production efficiency of the conductive film.
Smart Images

Figure CN223517892U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to conductive film production and manufacturing technical field, concretely is a kind of drying device for conductive film production. BACKGROUND
[0002] Electric film is a kind of thin film with conductive function, usually made of metal or semi-metal material, it has wide application in electronic, communication, energy and other fields, such as manufacturing solar cell, electronic device, sensor etc. The production process of conductive film includes multiple steps, such as substrate preparation, film material selection, coating, drying etc., in drying process, drying device needs to be used.
[0003] In related technology, hot air drying is a kind of drying mode commonly used in conductive film drying step, and when hot air drying is adopted, hot air is usually directly sprayed to conductive film, and in this process, hot air is easy to blow away sprayed material, affect the uniformity of smearing, further affect the production quality of conductive film, and the moisture generated in drying process is gathered in hot air, reduce the humidity difference between hot air and conductive film, further affect the migration speed of water vapor in conductive film;Based on this, the present application proposes a kind of drying device for conductive film production. SUMMARY
[0004] The utility model provides a kind of drying device for conductive film production, solve the problem that the hot air is sprayed to conductive film in the background technology described above, easy to blow away the moisture of not dried sprayed material, affect the production quality of conductive film, and the moisture generated in drying process is gathered in hot air, reduce the humidity difference between hot air and conductive film, further affect the migration speed of water vapor in conductive film.
[0005] The utility model provides following technical scheme: a kind of drying device for conductive film production, including device body, the device body is equipped with indirect drying structure and water vapor removal structure;The indirect drying structure includes the hot air flow cavity being arranged at the both sides of conductive film and the hot air unit that carries out air supply to hot air flow cavity;The water vapor removal structure includes the water-permeable semi-permeable membrane being arranged at the both sides of conductive film, water vapor adsorption structure and power unit, and the water-permeable semi-permeable membrane is located between conductive film and hot air flow cavity.
[0006] Preferably, the top and bottom of the device body are provided with hot air flow cavities, one end of the hot air flow cavity is provided with a wind distribution plate, and the other end of the hot air flow cavity is provided with an air extraction plate.
[0007] Preferably, the hot air unit includes a circulating fan and a constant-temperature heating box, the air inlet end of the circulating fan is connected to the inner cavity of the air extraction plate through an air extraction pipe, the air outlet end of the circulating fan is connected to the air inlet end of the constant-temperature heating box, and the air outlet end of the constant-temperature heating box is connected to the inner cavity of the wind distribution plate through an air outlet pipe.
[0008] Preferably, the power unit comprises a water vapor exhaust pump, an air inlet end of the water vapor exhaust pump extends into the inner cavity of the device body through an air inlet pipe, and the air inlet pipe is located on the side of the water-permeable semi-permeable membrane away from the conductive membrane, and an air outlet end of the water vapor exhaust pump is connected with the water vapor adsorption structure through a connecting pipe.
[0009] Preferably, the water vapor adsorption structure comprises a shell, the inner cavity of the shell is filled with water vapor adsorption filler, and a wind distribution gap is provided between the water vapor adsorption filler and the connecting pipe, one side of the shell is fixed with a magnet block, and the magnet block is magnetically attracted to the device body.
[0010] Compared with the prior art, the utility model has the following beneficial effects:
[0011] 1、The conductive film production drying device adopts an indirect heating mode to heat the conductive film, avoids the problem that hot air is directly sprayed onto the surface of the conductive film to cause the transfer of the sprayed material, and guarantees the production quality of the conductive film.
[0012] 2、The conductive film production drying device is provided with a water vapor removal structure, and the water vapor exhaust pump can exhaust the water vapor in the device body, reduce the humidity of the air around the conductive film, further increase the humidity difference between the air humidity and the humidity of the sprayed material sprayed on the surface of the conductive film, improve the water migration speed of the sprayed material, and further accelerate the drying speed of the conductive film. BRIEF DESCRIPTION OF DRAWINGS
[0013] Figure 1 It is a front view of the structure of the utility model;
[0014] Figure 2 It is an internal view of the structure of the utility model;
[0015] Figure 3 It is a structure Figure 2 front view of the utility model;
[0016] Figure 4 It is a sectional view of the water vapor adsorption structure of the utility model.
[0017] In the drawing: 1, device body; 2, circulating fan; 3, constant temperature heating box; 4, exhaust plate; 5, air distribution plate; 6, water vapor exhaust pump; 7, connecting pipe; 8, water-permeable semi-permeable membrane; 9, magnet block; 10, hot air flow cavity; 11, shell; 12, water vapor adsorption filler. DETAILED DESCRIPTION
[0018] With reference to the drawings of the embodiments of the present application, the technical solutions in the embodiments of the present application will be clearly and completely described, obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments of the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of the present application.
[0019] The utility model provides a kind of drying device for conductive film production, including device body 1, and device body 1 is equipped with indirect drying structure and water vapor removal structure, and the middle part of device body 1 is equipped with the import and export of conductive film adapted to conductive film, and indirect drying structure includes hot air flow cavity 10 being arranged in the both sides of conductive film and the hot air unit that supplies air to hot air flow cavity 10, in some embodiments of the application, the top and bottom of device body 1 are equipped with hot air flow cavity 10, one end of hot air flow cavity 10 is provided with air distribution plate 5, and the other end of hot air flow cavity 10 is provided with suction plate 4, and air distribution plate 5 and suction plate 4 are both hollow structure, and the bottom of the inner cavity of air distribution plate 5 and suction plate 4 is uniformly provided with air hole, and under the action of air hole, the inner cavity of air distribution plate 5 and the inner cavity of suction plate 4 are all in the state of communication with hot air flow cavity 10.
[0020] The hot air unit includes circulating fan 2 and constant temperature heating box 3, the air inlet end of circulating fan 2 is connected with the inner cavity of suction plate 4 through suction pipe, the air outlet end of circulating fan 2 is connected with the air inlet end of constant temperature heating box 3, and the air outlet end of constant temperature heating box 3 is connected with the inner cavity of air distribution plate 5 through air outlet pipe, by the setting of hot air unit, the gas in hot air flow cavity 10 can be blown into constant temperature heating box 3 through suction plate 4 and suction pipe by the work of circulating fan 2, and after filtration and heating by constant temperature heating box 3, the gas is blown into hot air flow cavity 10 again through air outlet pipe and air distribution plate 5, to realize the circulation of gas in hot air flow cavity 10.
[0021] From the above description of indirect drying structure, it can be known that, when the device is used, the conductive film is dried by indirect drying mode, to avoid hot air directly blowing on the conductive film, and to guarantee the spraying quality of conductive film.
[0022] The water vapor removal structure includes the water-permeable semi-permeable membrane 8 arranged on both sides of the conductive film, the water vapor adsorption structure and the power unit, the water-permeable semi-permeable membrane 8 is located between the conductive film and the hot air flow cavity 10, and the power unit includes the water vapor suction pump 6, the air inlet end of the water vapor suction pump 6 extends into the inner cavity of the device body 1 through the air inlet pipe, and the air inlet pipe is located on the side, away from the conductive film, of the water-permeable semi-permeable membrane 8, through the arrangement of the water-permeable semi-permeable membrane 8 and the water vapor suction pump 6, the water vapor suction pump 6 can suck away the water vapor on the side, away from the conductive film, of the water-permeable semi-permeable membrane 8, so that the side of the water-permeable semi-permeable membrane 8 is in a vacuum state, under the action of atmospheric pressure, the water vapor around the conductive film can accelerate to pass through the water-permeable semi-permeable membrane 8, the humidity difference between the air humidity and the humidity of the sprayed material is increased, and then the water migration speed in the sprayed material on the conductive film can be improved, and the drying speed is accelerated.
[0023] The air outlet end of the water vapor suction pump 6 is connected with the water vapor adsorption structure through the connecting pipe 7. The water vapor adsorption structure includes the shell 11, and the inner cavity of the shell 11 is filled with the water vapor adsorption filler 12. Through the arrangement of the water vapor adsorption structure, the water vapor adsorption structure can adsorb water vapor to realize the treatment of water vapor. The water vapor adsorption filler 12 can be water-absorbing color-changing silica gel. The staff can judge whether the water vapor adsorption filler 12 needs to be replaced according to the color of the water vapor adsorption filler 12, so that the water vapor adsorption structure can be replaced in time.
[0024] The water vapor adsorption filler 12 and the connecting pipe 7 are provided with an air distribution gap, so that the water vapor can be in contact with the water vapor adsorption filler 12. A magnet block 9 is fixed on one side of the shell 11. The magnet block 9 is magnetically attracted to the device body 1, so that the water vapor adsorption structure can be disassembled conveniently.
[0025] The electric appliance elements involved in the present application are all prior art, and those skilled in the art understand their connection modes. All the electric appliance elements in the present application and their matched power sources are connected through wires by those skilled in the art, and appropriate controllers are selected according to actual conditions to meet the control requirements. The specific connection and control sequence are described below. The electric appliance elements are sequentially connected in the order of operation, and the detailed connection means is a known technology in the art. The working principle and process are mainly introduced below, and the electric appliance control is not described.
[0026] In summary, the drying device for the production of the conductive film uses an indirect heating mode to heat the conductive film, avoids the problem that the sprayed material is transferred due to the direct spraying of hot air on the surface of the conductive film, guarantees the quality of the conductive film, and reduces the humidity of the air around the conductive film by using the water vapor suction pump 6 and the water-permeable semi-permeable membrane 8 during the drying process, increases the humidity difference between the air humidity and the humidity of the sprayed material on the surface of the conductive film, improves the water migration speed between the sprayed materials, and then the drying speed of the conductive film can be accelerated.
[0027] The standard parts used in the utility model can be purchased from the market, the special-shaped parts can be ordered according to the description and the drawings, the specific connection mode of each part adopts the conventional means such as bolts, rivets and welding in the prior art, the machinery, parts and equipment adopt the conventional type in the prior art, which will not be described in detail, the contents not described in detail in the description belong to the prior art known by the professional technical personnel in the field, although the embodiments of the utility model have been shown and described, it can be understood by the ordinary skilled in the art that the embodiments can be changed, modified, replaced and modified in various ways without departing from the principles and spirits of the utility model, the scope of the utility model is defined by the appended claims and equivalents thereof.
Claims
1. A drying device for producing a conductive film, comprising a device body (1), characterized in that: The device body (1) is provided with an indirect drying structure and a water vapor removal structure; the indirect drying structure comprises hot air flow cavities (10) arranged on both sides of the conductive film and a hot air unit for supplying air to the hot air flow cavities (10); the water vapor removal structure comprises water-permeable semi-permeable membranes (8) arranged on both sides of the conductive film, a water vapor adsorption structure and a power unit, and the water-permeable semi-permeable membranes (8) are located between the conductive film and the hot air flow cavities (10).
2. The drying apparatus for producing a conductive film according to claim 1, characterized by: The top and bottom of the device body (1) are provided with hot air flow cavities (10), one end of the hot air flow cavities (10) is provided with a wind distribution plate (5), and the other end of the hot air flow cavities (10) is provided with an air extraction plate (4).
3. The drying apparatus for producing a conductive film according to claim 2, characterized by: The hot air unit comprises a circulating fan (2) and a constant temperature heating box (3), the air inlet end of the circulating fan (2) is connected with the inner cavity of the air extraction plate (4) through an air extraction pipe, the air outlet end of the circulating fan (2) is connected with the air inlet end of the constant temperature heating box (3), and the air outlet end of the constant temperature heating box (3) is connected with the inner cavity of the wind distribution plate (5) through an air outlet pipe.
4. The drying apparatus for producing a conductive film according to claim 1, characterized by: The power unit comprises a water vapor extraction pump (6), the air inlet end of the water vapor extraction pump (6) extends into the inner cavity of the device body (1) through an air inlet pipe, and the air inlet pipe is located on the side of the water-permeable semi-permeable membrane (8) away from the conductive film, and the air outlet end of the water vapor extraction pump (6) is connected with the water vapor adsorption structure through a connecting pipe (7).
5. The drying apparatus for producing a conductive film according to claim 4, characterized by: The water vapor adsorption structure comprises an outer shell (11), the inner cavity of the outer shell (11) is filled with water vapor adsorption fillers (12), and a wind distribution gap is arranged between the water vapor adsorption fillers (12) and the connecting pipe (7), one side of the outer shell (11) is fixedly provided with a magnet block (9), and the magnet block (9) is magnetically attracted to the device body (1).