Accelerated solidification device for silver paste

Abstract

The utility model provides a silver paste solidification accelerating device. The silver paste solidification accelerating device sequentially comprises a sealing cover, a glass placing area and a carrier plate from top to bottom. An air supply device is arranged on one side of the glass placing area; a heating device is arranged on the carrier plate; and the air supply device and the heating device are both connected with the automatic control device, so that the silver paste is rapidly and uniformly cured, and the device is suitable for large-scale popularization and application.

Description

TECHNICAL FIELD

[0001] The utility model relates to conductive silver paste technical field especially relates to a silver paste accelerates solidification device. BACKGROUND

[0002] Conductive silver paste is a kind of composite material by silver powder, organic carrier and additive. Silver powder provides conductivity, and organic carrier ensures the flowability and adhesion of paste, and additive is used to adjust performance. Conductive silver paste is an important electronic material, and its conductivity and adhesion can be improved after solidification treatment, and is widely used in PCB, solar cell, touch screen, RFID, flexible electronics and LED etc.

[0003] CN205959681U discloses a low-temperature solidification conductive silver paste preparation device, including base, the top of base is fixedly connected with shell, and the inside of shell is fixedly connected with partition, the bottom of shell inner wall is fixedly connected with storage tank and circulating pump respectively, and the front of storage tank is communicated with discharge pipe, the top of shell is provided with resin storage tank, silver powder storage tank, curing agent storage tank, curing accelerator storage tank and defoaming agent storage tank respectively. The low-temperature solidification conductive silver paste preparation device solves the relatively scattered and complex structure of the current conductive silver paste preparation device, improves the integrity, better facilitates the use of users, guarantees good use effect and production manufacturing quality, guarantees the production and manufacturing effect of later period, and improves the quality of conductive silver paste.

[0004] CN203178641U discloses a kind of processing equipment of the assembly of solid-state electro-optic display, including machine body, the machine body has a base and mounting on the base rack;Temperature control module, the temperature control module has several heating probes, the heating probe is fixed on drive module;Drive module, fixed on the rack, for driving the probe reciprocating movement along vertical direction. Utilize heating probe preferably under certain pressure to silver paste is pressurized, heated can be in time, rapidly silver paste solidification, prevent silver paste decomposition, metamorphism.And, also can be through timing device control heating probe pressurization and heating time, further improve the effect of solidification silver paste.

[0005] CN118577188A discloses a low-temperature curing environmentally friendly conductive silver paste preparation device, including a grinding and rolling mill frame assembly. The grinding and rolling mill frame assembly is equipped with a piston double-cylinder assembly and a low-temperature grinding and rolling table assembly on top. The piston double-cylinder assembly forms a preparation cylinder structure that swings up and down on the grinding and rolling mill frame assembly. During the up and down swinging process, the conductive silver paste mixture preparation material is sprayed and tumbled back and forth between the first and second cylinders. That is, the conductive silver paste mixture preparation material is continuously switched between the first and second cylinders. In this process, the spraying, mixing and grinding of the conductive silver paste mixture preparation material are realized. At the same time, the swinging process is continuous, that is, the conductive silver paste mixture preparation material can be sprayed, mixed and ground and rolled back and forth continuously. The piston staggered pushing and collecting process can meet the requirements of rapid pushing and collecting of paste-like materials.

[0006] However, the above-mentioned conductive silver paste preparation device and method still have problems such as slow silver paste curing speed and uneven heating of silver paste, which will affect the quality of the product. Utility Model Content

[0007] In view of the problems existing in the prior art, this utility model provides a silver paste accelerated curing device, which achieves rapid and uniform curing of silver paste by setting up an air supply device and a heating device; moreover, it is equipped with an automatic control device to control the air supply device and the heating device, eliminating the need for manual operation and greatly improving production efficiency.

[0008] To achieve this objective, the present invention adopts the following technical solution:

[0009] This utility model provides a silver paste accelerated curing device, which includes, from top to bottom, a sealing cover, a glass placement area, and a carrier plate;

[0010] An air supply device is provided on one side of the glass placement area; a heating device is provided on the carrier plate; both the air supply device and the heating device are connected to an automated control device.

[0011] The silver paste accelerated curing device of this invention features an air supply device on one side of the glass placement area and a heating device on the carrier plate, enabling rapid curing of glass products coated with silver paste. Furthermore, the heating process is uniform, significantly improving the curing speed and stability of the silver paste and meeting the production requirements for silver-coated glass products. This device is equipped with an automated control system that automatically regulates the air supply and heating devices, eliminating the need for manual operation and ensuring operator and environmental safety, thus preventing electrical fires and other safety accidents.

[0012] The automated control device described in this utility model can also be equipped with high temperature warning and automatic power-off protection functions to prevent personnel from accidentally touching high temperature areas or equipment from overheating and causing danger.

[0013] The glass placement area is not limited in detail, and the size of the glass coated with silver paste that needs to be heated can be reasonably set, for example, 1000*1200mm, 488*588mm, 300*300mm, etc.

[0014] Preferably, the glass placement area is provided with a heat dissipation port on both sides.

[0015] Preferably, the first heat dissipation port away from the air supply device is uniformly distributed, and the second heat dissipation port close to the air supply device is located at the top of the air supply device, preventing high temperature generated during the curing process from damaging the glass material, and avoiding oxidation of silver at high temperature.

[0016] Preferably, the air supply device comprises a fan.

[0017] Preferably, the inlet end of the air supply device is provided with a filtering device, which can ensure the cleanliness of the airflow and avoid the introduction of impurities, affecting the quality of the silver paste after curing.

[0018] Preferably, the filtering device comprises an H14 filter.

[0019] Preferably, the heating device comprises an electric heating wire.

[0020] Preferably, the electric heating wire is S-shaped distributed on the carrier plate.

[0021] Preferably, the density of the electric heating wire is in a positive proportional relationship with the distance between the electric heating wire and the air supply device.

[0022] The electric heating wire is S-shaped distributed on the carrier plate, and the density of the electric heating wire is in a positive proportional relationship with the distance between the electric heating wire and the air supply device, that is, the electric heating wire is arranged sparsely at a position close to the air supply device, and is arranged densely at a position far away from the air supply device, ensuring that the glass coated with silver paste is evenly heated, and realizing rapid and stable curing of the silver paste.

[0023] Preferably, the diameter of the electric heating wire is 1-5mm, for example, 1mm, 1.5mm, 2mm, 2.5mm, 3mm, 4mm or 5mm, etc., but not limited to the listed values, and other values not listed in this range are also applicable.

[0024] The use method of the silver paste accelerated curing device provided by the utility model comprises the following steps:

[0025] (1) After coating silver paste on the glass, place it in the glass placement area;

[0026] (2) The automatic control device controls the heating device and the air supply device to start working, keeps the temperature of the heating device at 40-70 DEG C, and realizes rapid and uniform solidification of the silver paste.

[0027] Compared with the prior art, the silver paste accelerated solidification device has at least the following beneficial effects:

[0028] (1) The silver paste accelerated solidification device provided by the utility model has simple structure and convenient operation, heat can be uniformly transferred to the surface of the silver paste through reasonable arrangement of the air supply device and the heating device, and rapid solidification of the silver paste is realized.

[0029] (2) The air supply device in the silver paste accelerated solidification device can make the heat in the glass placement area circulate, effectively prevent heat damage while accelerating the solidification of the silver paste, and ensure that the glass product meets the use requirements. BRIEF DESCRIPTION OF DRAWINGS

[0030] Figure 1 is a schematic view of the silver paste accelerated solidification device provided by the utility model embodiment 1.

[0031] In the figure: 1 - sealing cover; 2 - carrier plate; 3 - air supply device; 4 - heating device; 5 - first heat dissipation port; 6 - second heat dissipation port. DETAILED DESCRIPTION

[0032] The technical scheme of the utility model will be further described below in combination with the drawings and through specific embodiments.

[0033] The utility model will be further described below in detail. However, the following examples are only simple examples of the utility model, and do not represent or limit the protection scope of the utility model, and the protection scope of the utility model is subject to the claims.

[0034] It should be understood that, in the description of the utility model, the orientation or position relationship indicated by the terms "center", "longitudinal", "transverse", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer" and the like is based on the orientation or position relationship shown in the drawings, and is only for the convenience of describing the utility model and simplifying the description, and therefore cannot be understood as indicating or implying that the indicated device or element must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the utility model. In addition, the terms "first", "second" and the like are only for description purposes, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features limited by "first", "second" and the like can explicitly or implicitly include one or more features. In the description of the utility model, unless otherwise specified, the meaning of "multiple" is two or more.

[0035] It should be noted that in the description of the utility model, unless there are other explicit provisions and limitations, the terms "arrangement", "connection", "connection" should be broadly understood, for example, it can be fixedly connected, or it can be detachably connected, or it can be integrally connected, it can be mechanically connected, or it can be electrically connected, it can be directly connected, or it can be indirectly connected through an intermediate medium, it can be the communication inside two elements. For ordinary skilled in the art, the specific meaning of the above terms in the utility model can be understood through specific circumstances.

[0036] Embodiment 1

[0037] The utility model provides a silver paste accelerated curing device, its schematic diagram is as shown in Figure 1 .

[0038] The silver paste accelerated curing device sequentially includes sealing cover 1, glass placement area and carrier plate 2 from top to bottom;

[0039] One side of the glass placement area is provided with air supply device 3, and the carrier plate 2 is provided with heating device 4; the air supply device 3 and the heating device 4 are connected with automatic control device.

[0040] Both sides of the glass placement area are provided with heat dissipation ports.

[0041] The first heat dissipation port 5 away from the air supply device is evenly distributed, and the second heat dissipation port 6 close to the air supply device is located at the top of the air supply device 3.

[0042] The air supply device 3 is a fan.

[0043] The inlet end of the air supply device 3 is provided with a filter device. The filter device is an H14 filter.

[0044] The heating device 4 is an electric heating wire. The electric heating wire is distributed in S type on the carrier plate. The density of the electric heating wire is in direct proportional relationship with the distance between the electric heating wire and the air supply device. The diameter of the electric heating wire is 3mm.

[0045] The embodiment also provides a use method of the above-mentioned silver paste accelerated curing device, including the following steps:

[0046] (1) after coating silver paste on the glass, place in the glass placement area;

[0047] (2) the automatic control device controls the heating device 4 and the air supply device 5 to start working, keeps the temperature of the heating device 4 at 40-70 DEG C, realizes the rapid and uniform curing of silver paste.

[0048] The embodiment reasonably arranges the air supply device and the heating device so that heat can be uniformly transmitted to the surface of silver paste, realizes the rapid curing of silver paste, and the obtained glass product meets the use requirement.

[0049] Embodiment 2

[0050] The silver paste accelerated curing device comprises, from top to bottom, a sealing cover, a glass placement area and a carrier plate.

[0051] One side of the glass placement area is provided with an air supply device; the carrier plate is provided with a heating device; and the air supply device and the heating device are connected with an automatic control device.

[0052] Both sides of the glass placement area are provided with heat dissipation openings.

[0053] The first heat dissipation openings away from the air supply device are uniformly distributed, and the second heat dissipation openings close to the air supply device are located at the top of the air supply device.

[0054] The air supply device is a fan.

[0055] The inlet end of the air supply device is provided with a filter device.

[0056] The filter device is an H14 filter.

[0057] The heating device is an electric heating wire. The electric heating wire is uniformly distributed in an S shape on the carrier plate. The diameter of the electric heating wire is 3 mm.

[0058] In this embodiment, the electric heating wire is uniformly distributed in an S shape on the carrier plate. The electric heating wire close to the air supply device has insufficient heat dissipation, which can cause thermal damage to the silver paste and the glass and affect the quality of the glass product.

[0059] Comparative Example 1

[0060] The silver paste accelerated curing device comprises, from top to bottom, a sealing cover, a glass placement area and a carrier plate.

[0061] One side of the glass placement area is provided with an air supply device; and the air supply device is connected with an automatic control device.

[0062] Both sides of the glass placement area are provided with heat dissipation openings.

[0063] The first heat dissipation openings away from the air supply device are uniformly distributed, and the second heat dissipation openings close to the air supply device are located at the top of the air supply device.

[0064] The air supply device is a fan.

[0065] The inlet end of the air supply device is provided with a filter device.

[0066] The filter device is an H14 filter.

[0067] The silver paste solidification device of the present comparative example is slow in solidification speed of silver paste, prolongs production cycle, reduces overall production efficiency, increases time and cost, and the silver paste not solidified in time flows or diffuses, affects product performance, and is easy to adsorb dust and impurities, affecting conductivity and appearance quality.

[0068] Comparative Example 2

[0069] The present comparative example provides a silver paste solidification device, which comprises a sealing cover, a glass placement area and a carrier plate from top to bottom.

[0070] The carrier plate is provided with a heating device; and the heating device is connected with an automatic control device.

[0071] Both sides of the glass placement area are provided with heat dissipation openings.

[0072] The heating device is an electric heating wire. The electric heating wire is distributed in an S shape on the carrier plate. The density of the electric heating wire is in a positive proportional relationship with the distance between the electric heating wire and the air supply device. The diameter of the electric heating wire is 3 mm.

[0073] The silver paste solidification device of the present comparative example is slow in solidification speed of silver paste, and the solidification is uneven, which leads to a decrease in adhesion between silver paste and glass, falling or delamination, and affects product reliability.

[0074] In summary, the silver paste accelerated solidification device provided by the present application has a simple structure, and the heat can be uniformly transferred to the surface of the silver paste through the reasonable arrangement of the air supply device and the heating device, so that the silver paste is rapidly and uniformly solidified, and a glass product with excellent performance is obtained.

[0075] The applicant declares that the present application is illustrated by the above embodiments to explain the detailed structural features of the present application, but the present application is not limited to the above detailed structural features, that is, it does not mean that the present application must rely on the above detailed structural features to be implemented. It should be understood by those skilled in the art that any improvement of the present application, equivalent replacement of the components selected by the present application, increase of auxiliary components, selection of specific modes, etc. fall within the protection scope and disclosure scope of the present application.

[0076] The preferred embodiments of the present application are described in detail above, but the present application is not limited to the specific details in the above embodiments, and within the technical concept of the present application, the technical solutions of the present application can be subjected to various simple modifications, and these simple modifications all belong to the protection scope of the present application.

[0077] In addition, it should be noted that the various specific technical features described in the foregoing detailed description can be combined in any suitable manner, and that the application contemplates all possible combinations of features, unless otherwise indicated herein.

[0078] Furthermore, the various embodiments of the application can also be combined with each other, as long as they do not contradict the spirit of the application, and they should also be considered as disclosed by the application.

Claims

1. A silver paste accelerated curing device, characterized in that, The silver paste accelerated curing device includes, from top to bottom, a sealing cover, a glass placement area, and a carrier plate; An air supply device is provided on one side of the glass placement area; a heating device is provided on the carrier plate; both the air supply device and the heating device are connected to an automated control device.

2. The silver paste accelerated curing device according to claim 1, characterized in that, Heat dissipation vents are provided on both sides of the glass placement area.

3. The silver paste accelerated curing device according to claim 2, characterized in that, The first heat dissipation vents on the side away from the air supply device are evenly distributed, while the second heat dissipation vents close to the air supply device are located at the top of the air supply device.

4. The silver paste accelerated curing device according to claim 1, characterized in that, The air supply device includes a fan.

5. The silver paste accelerated curing device according to claim 1, characterized in that, The air supply device is equipped with a filter at its inlet end.

6. The silver paste accelerated curing device according to claim 5, characterized in that, The filtration device includes an H14 filter.

7. The silver paste accelerated curing device according to claim 1, characterized in that, The heating device includes an electric heating wire.

8. The silver paste accelerated curing device according to claim 7, characterized in that, The electric heating wires are distributed in an S-shape on the carrier plate.

9. The silver paste accelerated curing device according to claim 7, characterized in that, The density of the electric heating wires is directly proportional to the distance between the electric heating wires and the air supply device.

10. The silver paste accelerated curing device according to claim 7, characterized in that, The diameter of the electric heating wire is 1~5mm.

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