A kind of electronic grade glass fiber cloth dehydration system after containing impregnation tank

Abstract

The utility model relates to electronic grade glass fiber cloth processing technical field discloses a kind of electronic grade glass fiber cloth after containing impregnation tank dehydration system, including impregnation tank, electronic grade glass fiber cloth is after impregnation tank infusion solution to the direction of drying oven direction travel, setting extrusion rubber extruding wheel of electronic grade glass fiber cloth infusion between impregnation tank and drying oven, vacuum slit suction nozzle for adsorbing infusion solution is set between impregnation tank and rubber extruding wheel.The utility model further carries out accurate control and cleaning to impregnation liquid on electronic grade glass fiber cloth on the basis of original rubber extruding wheel by adding vacuum slit suction nozzle and inclined air knife, effectively improves impregnation uniformity, quantitative precision and surface cleanliness, improves the product quality of electronic grade glass fiber cloth.

Description

Technical Field

[0001] This utility model relates to the field of electronic-grade glass fiber cloth processing technology, specifically to a dewatering system for electronic-grade glass fiber cloth after it exits the impregnation tank. Background Technology

[0002] Electronic-grade glass fiber cloth is widely used in fields such as electronic circuit boards, and its impregnation process is one of the key factors determining product performance. For example... Figure 1 As shown, in the prior art, the impregnation treatment of electronic grade glass fiber cloth usually involves impregnation in an impregnation tank, squeezing out excess impregnation liquid with rubber extrusion rollers, and then directly entering a drying oven for drying. However, this process has problems such as insufficient impregnation uniformity and incomplete removal of excess impregnation liquid, which affect the final quality of electronic grade glass fiber cloth. Utility Model Content

[0003] To solve the above-mentioned technical problems, the purpose of this utility model is to provide a dewatering system for electronic-grade glass fiber cloth after it leaves the impregnation tank.

[0004] To achieve the above technical objectives, this application provides the following technical solution: a dehydration system for electronic-grade glass fiber cloth after it exits the impregnation tank, comprising an impregnation tank with an opening at the top, the electronic-grade glass fiber cloth moving towards a drying oven after being impregnated in the impregnation tank, a rubber extrusion wheel for extruding the impregnation liquid of the electronic-grade glass fiber cloth being disposed between the impregnation tank and the drying oven, and a vacuum slit nozzle for adsorbing the impregnation liquid being disposed between the impregnation tank and the rubber extrusion wheel.

[0005] This technical solution uses a vacuum slit nozzle to absorb excess liquid, reducing the load on the subsequent rubber extrusion rollers and improving the overall dehydration efficiency. The electronic-grade fiberglass cloth undergoes a second impregnation process to remove the liquid, effectively reducing the liquid content of the electronic-grade fiberglass cloth.

[0006] According to this utility model, a tilting air knife for cleaning impurities is further provided between the impregnation tank and the rubber extrusion wheel.

[0007] This technical solution removes impurities, dust, and some free impurities adhering to the surface of electronic-grade fiberglass cloth, ensuring the cleanliness of the electronic-grade fiberglass cloth surface.

[0008] According to this utility model, the impregnation tank is further provided with guide rollers that change the direction of the electronic grade glass fiber cloth both inside and at the opening.

[0009] According to this utility model, the slit width of the vacuum slit nozzle is 0.5-1.5mm.

[0010] According to this utility model, the inclined air knife forms an angle of 30°-60° with the forward direction of the electronic-grade glass fiber cloth, and the blowing pressure is 0.05-0.3MPa.

[0011] Compared with the prior art, the beneficial effects of this utility model are as follows: This invention, by adding a vacuum slit nozzle and an inclined air knife, further enhances the precise control and cleaning of the impregnation liquid on electronic-grade fiberglass cloth, based on the original rubber extrusion wheel. This effectively improves the impregnation uniformity, quantitative accuracy, and surface cleanliness, thereby improving the product quality of electronic-grade fiberglass cloth. Attached Figure Description

[0012] Figure 1 A schematic diagram of the existing technology for dewatering electronic-grade glass fiber cloth after it has been impregnated in an impregnation tank; Figure 2 This is a schematic diagram of the dewatering system for electronic-grade glass fiber cloth after it has been impregnated in the impregnation tank according to this utility model.

[0013] In the attached diagram, 1-electronic grade fiberglass cloth, 2-impregnation tank, 3-guide roller, 4-rubber extrusion roller, 5-drying oven, 6-vacuum slit nozzle, 7-tilted air knife. Detailed Implementation

[0014] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0015] like Figure 2 As shown in the figure, this application embodiment provides a dehydration system for electronic-grade glass fiber cloth after it exits the impregnation tank, including an impregnation tank 2 with an opening at the top. The electronic-grade glass fiber cloth 1 enters the impregnation tank 2 through the opening, is redirected to the right inside the tank, and is then conveyed to the drying oven 5. Guide rollers 3 for changing the direction of the electronic-grade glass fiber cloth 1 are provided inside the impregnation tank 2 and at the opening. Rubber extrusion rollers 4 are provided on the outer periphery of the electronic-grade glass fiber cloth 1 that exits from the impregnation tank 2 to squeeze out excess impregnation liquid. The drying oven 5 dries and cures the electronic-grade glass fiber cloth 1 after the impregnation liquid removal step, so that the impregnated resin is cured to form the finished electronic-grade glass fiber cloth.

[0016] To further improve the issues of insufficient impregnation uniformity and incomplete removal of excess impregnation solution, a vacuum slit nozzle 6 is installed around the outer periphery of the electronic-grade glass fiber cloth 1 output from the impregnation tank 2. After exiting the impregnation tank 2, the electronic-grade glass fiber cloth 1 first passes through the vacuum slit nozzle 6 to absorb excess impregnation solution, and then passes through the rubber extrusion roller 4 for a second extrusion of the impregnation solution, thereby improving the impregnation solution removal rate. The slit width of the vacuum slit nozzle 6 is 0.5-1.5mm, which can be adjusted according to actual production needs.

[0017] Based on the above technical solution, an inclined air knife 7 is added to the outer periphery of the electronic-grade glass fiber cloth 1 output from the impregnation tank 2. The inclined air knife 7 is positioned between the vacuum slit nozzle 6 and the rubber extrusion roller 4. After the electronic-grade glass fiber cloth 1 is output from the impregnation tank 2, it first passes through the vacuum slit nozzle 6 to absorb excess impurity, then passes through the inclined air knife 7 to remove impurities from the surface of the electronic-grade glass fiber cloth 1, and then passes through the rubber extrusion roller 4 to extrude impurity a second time, thereby improving the impurity removal rate. The inclined air knife 7 forms an angle of 30°-60° with the forward direction of the electronic-grade glass fiber cloth 1, and removes impurities from the surface of the electronic-grade glass fiber cloth 1 by high-speed airflow. The preferred pressure is 0.05-0.3 MPa.

[0018] In practical applications, this technical solution enables the components at each workstation to work collaboratively, effectively improving the impregnation quality of electronic-grade fiberglass cloth and meeting the demands of the electronics industry for high-performance fiberglass cloth.

[0019] The number and position distribution of guide rollers 3 are adjusted according to the requirements of electronic grade glass fiber cloth 1 to enable them to perform steering and support functions.

[0020] The working principle of this utility model is as follows: the electronic grade glass fiber cloth 1 passes through the impregnation tank 2 and the guide roller 3 in sequence along the forward direction, and then passes through the vacuum slit nozzle 6 to absorb excess impregnation liquid. Then it passes through the inclined air knife 7 at a 45° angle to the forward direction and the air pressure is 0.1MPa to blow away impurities. Then it passes through the rubber extrusion roller 4 to squeeze out excess impregnation liquid. Finally, it enters the drying oven 5 to dry and cure the electronic grade glass fiber cloth 1 that has passed through adsorption, air blowing and extrusion in sequence.

[0021] It will be apparent to those skilled in the art that this invention is not limited to the details of the exemplary embodiments described above, and that it can be implemented in other specific forms without departing from the spirit or essential characteristics of this invention. Therefore, the embodiments should be considered illustrative and non-limiting in all respects, and the scope of this invention is defined by the appended claims rather than the foregoing description. Thus, it is intended that all variations falling within the meaning and scope of equivalents of the claims be included within this invention. No reference numerals in the claims should be construed as limiting the scope of the claims.

Claims

1. A dewatering system for electronic-grade glass fiber cloth after it exits an impregnation tank, comprising an impregnation tank having an opening at the top, the electronic-grade glass fiber cloth being impregnated in the tank and then moving towards a drying oven, and a rubber extrusion wheel for extruding the impregnated electronic-grade glass fiber cloth with the impregnating liquid being disposed between the impregnation tank and the drying oven, characterized in that, A vacuum slit nozzle for adsorbing the impregnation liquid is provided between the impregnation tank and the rubber extrusion roller.

2. The electronic grade glass fiber veil post-dip tank dehydration system of claim 1, wherein, An inclined air knife for cleaning impurities is also provided between the impregnation tank and the rubber extrusion wheel.

3. The electronic grade glass fiber veil post-dip tank dewatering system of claim 1, wherein, The impregnation tank is equipped with guide rollers that change the direction of the electronic-grade glass fiber cloth both inside and at its opening.

4. The electronic grade glass fiber veil post-dip tank dewatering system of claim 1, wherein, The slit width of the vacuum slit nozzle is 0.5-1.5 mm.

5. The electronic grade glass fiber veil post-dip tank dewatering system of claim 2, wherein, The inclined air knife forms an angle of 30°-60° with the forward direction of the electronic-grade glass fiber cloth, and the blowing pressure is 0.05-0.3MPa.

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