Glass fiber cloth double-sided coating device and use method thereof

Abstract

The invention discloses a glass fiber cloth double-sided coating device and a use method thereof. The glass fiber cloth double-sided coating device comprises a main cavity (1); one end of each communication pipeline is communicated with the bottom of the main cavity; the bottoms of the two branch cavities are communicated with the other ends of the two communicating pipelines; the windows (4) are formed in the middle surfaces of the sub-cavities, and the windows on the two adjacent sub-cavities are distributed on different side surfaces of the sub-cavities; and the water absorbing material (5) is arranged in the window. The device has the beneficial effects that the conveying posture of the glass fiber cloth is changed from the format horizontal conveying posture to the format vertical conveying posture, the glass fiber cloth sequentially bypasses the windows of the two sub-cavities, the two side faces of the passing glass fiber cloth are evenly coated through the water absorption materials in the windows, and the device is simple, rapid and high in efficiency. The device is suitable for simultaneous infiltration treatment of multiple rolls of glass fiber cloth, and the infiltration efficiency is improved.

Description

Technical Field

[0001] The invention relates to the field of glass fiber cloth surface treatment, in particular to a glass fiber cloth double-sided coating device and a use method thereof. Background Art

[0002] Sizing is required in the glass fiber drawing stage. Glass fiber is drawn out from the leaky plate to form fiber filaments. At this time, the fiber is very fragile and easily rubbed and damaged. Sizing can form a protective film on the fiber surface. Sizing can reduce the friction coefficient between fibers, so that the fibers can be bundled smoothly and prevent the single filament from breaking during the drawing and bundling process. At the same time, it can also improve the wear resistance of the fiber, ensuring that the fiber can maintain good physical properties in subsequent textile and other processing processes.

[0003] For example, Chinese utility model patent publication number CN210585638U discloses a device for coating glass fiber cloth with a sizing agent, including a base, a pair of support plates vertically arranged on the base, the two support plates are rotatably connected with a discharging roller and a receiving roller for placing the glass fiber cloth, a driving mechanism A for driving the receiving roller is arranged on the support plate, a storage tank and a collecting tank for placing the sizing agent are arranged in sequence from the discharging roller to the receiving roller on the base, a cylinder parallel to the discharging roller is arranged in the storage tank, a pair of slide grooves are vertically arranged in the storage tank, sliders matching the slide grooves are arranged at both ends of the cylinder, a lifting mechanism for driving the cylinder is arranged on the support plate, a pair of pressing rollers rotatably connected between the two support plates are arranged above the collecting tank, the two pressing rollers are higher than the cylinder, and a driving mechanism B for driving the pressing rollers to rotate in the same direction is arranged on the support plate; the device is difficult to evenly coat the surface of the glass fiber mesh cloth, and the transverse fully immersed coating mechanism, after the coating is completed, the reinforcing agent is easily brought to the outside of the equipment by the glass fiber mesh cloth, thereby causing waste.

[0004] For another example, Chinese utility model patent publication number CN219540774U discloses a glass fiber mesh coating mechanism, wherein a feed port is provided on one side of the coating bin, a reinforcing agent reflux port is provided at the bottom of the coating bin, a fixed block and a movable block are provided inside the coating bin, the movable block cooperates with the fixed block, and the upper parts of the fixed block and the movable block close to each other are provided with inclined surfaces, two scrapers are provided at the upper part of the coating bin, a reinforcing agent inlet joint is provided on the upper surface of the bin cover and above the inclined surface of the fixed block, a transverse tube is provided at the lower part of the bin cover, the transverse tube is connected with the reinforcing agent inlet joint, and a liquid inlet is provided on the lower surface of the transverse tube, the gap between the movable block and the fixed block of the mechanism is difficult to adjust to be consistent with the two sides of the glass fiber mesh, and the reinforcing agent flowing down from the feed port is difficult to ensure uniform distribution on both sides of the glass fiber mesh, so it is impossible to ensure uniform coating of the two sides of the glass fiber mesh. Summary of the invention

[0005] The technical problem to be solved by the present invention is that the existing glass fiber cloth coating device cannot ensure uniform coating on both sides of the glass fiber cloth, and for this purpose, a glass fiber cloth double-sided coating device and a use method thereof are provided.

[0006] The technical solution of the present invention is: a double-sided coating device for glass fiber cloth, comprising: a main cavity; at least two connecting pipes, one end of the two connecting pipes is connected to the bottom of the main cavity; at least two sub-cavities, the bottoms of the two sub-cavities are connected to the other ends of the two connecting pipes; a window, the window is opened on the middle surface of the sub-cavity, and the windows on two adjacent sub-cavities are distributed on different sides of the sub-cavity; and a water-absorbing material is built into the window.

[0007] In the above scheme, there are four communicating pipes, which are evenly spaced and distributed around the main cavity.

[0008] The main cavity in the above solution is a cylindrical structure.

[0009] The main cavity in the above solution is made of transparent material.

[0010] An improvement of the above solution is that a screen is provided inside the window, and the water-absorbing material is confined in the space between the screen and the window.

[0011] In the above scheme, the water-absorbing material is sponge or cotton.

[0012] In the above solution, there are multiple windows, which are distributed at intervals along the height direction of the sub-cavity.

[0013] A further improvement of the above solution is that a base is provided at the bottom of the main cavity.

[0014] The method for using the double-sided coating device for glass fiber cloth comprises the following steps: injecting a wetting agent into a main cavity until the liquid level of the wetting agent in a sub-cavity rises to a height above the window, the wetting agent soaks the water-absorbing material, two vertical conveying rollers are provided, and the glass fiber cloth is installed on the two vertical conveying rollers so that the glass fiber cloth is conveyed in a vertical state, the glass fiber cloth first extends from a conveying roller to bypass the window of a sub-cavity, then bypasses the window of another adjacent sub-cavity, and is rolled up onto another conveying roller, and the two sides of the glass fiber cloth are respectively coated with the wetting agent by the water-absorbing material in the windows of the two sub-cavities.

[0015] The beneficial effect of the present invention is to change the conveying posture of the glass fiber cloth from the posture of horizontal transmission of the width to the posture of vertical transmission of the width, and bypass the windows of the two sub-cavities in turn, and use the water-absorbing material in the windows to evenly coat the two sides of the passing glass fiber cloth. It is simple and fast, consumes less impregnation agent, and is suitable for simultaneous impregnation treatment of multiple rolls of glass fiber cloth, thereby improving the impregnation efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a schematic diagram of a double-sided coating device for glass fiber cloth of the present invention; Figure 2 yes Figure 1 A schematic cross-sectional view of the middle window; Figure 3 1 is a schematic diagram of a preferred example of a double-sided coating device for glass fiber cloth of the present invention; Figure 4 It is a schematic diagram of the use state of the double-sided coating device of glass fiber cloth of the present invention; In the figure, 1. main cavity, 2. connecting pipe, 3. sub-cavity, 4. window, 5. water-absorbing material, 6. screen. DETAILED DESCRIPTION

[0017] The technical solutions in the embodiments of the present invention are described clearly and completely below in conjunction with the accompanying drawings. Obviously, the described embodiments are only a part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments by ordinary technicians in this field without creative work are within the protection scope of the present invention.

[0018] like Figure 1-2 As shown, a double-sided coating device for glass fiber cloth comprises: a main cavity 1; two connecting pipes 2, one end of the two connecting pipes being connected to the bottom of the main cavity; two sub-cavities 3, the bottoms of the two sub-cavities being connected to the other ends of the two connecting pipes; a window 4, the window being opened on the middle surface of the sub-cavity, and the windows on two adjacent sub-cavities being distributed on different sides of the sub-cavity; and a water-absorbing material 5, the water-absorbing material being built into the window.

[0019] The main cavity can be a cylindrical structure or a rectangular structure, and the sub-cavity can be a cylindrical structure or a rectangular structure. The main cavity and the sub-cavity form multiple U-shaped tube structures through corresponding connecting pipes. Using the connecting vessel principle, when the impregnant is injected into the main cavity, the impregnant liquid level in the sub-cavity is flush with the impregnant liquid level in the main cavity, which ensures that the water-absorbing material in the window of each sub-cavity is fully infiltrated. When the glass fiber cloth passes through the window, it will be evenly coated on the corresponding surface of the glass fiber cloth. The water-absorbing material is preferably a flexible material, such as sponge or cotton, and the sponge or cotton appropriately protrudes out of the window to ensure effective contact with the glass fiber cloth.

[0020] As a preferred example of the present invention, Figure 3As shown, there are four connecting pipes, which are evenly spaced around the main cavity. Similarly, there are four sub-cavities, which can be respectively called A cavity, B cavity, C cavity and D cavity. The glass fiber cloth first bypasses the window of cavity A, and one side is coated with impregnation agent by the water-absorbing material in the window of cavity A, and then bypasses the window of cavity B, and the other side is coated with impregnation agent by the water-absorbing material in the window of cavity B. The window of cavity A and the window of cavity B are located on different sides of the sub-cavity, so that the glass fiber cloth has an S-shaped bend in the forward direction to ensure that the glass fiber cloth is fully in contact with the water-absorbing material. Then the glass fiber cloth bypasses the window of cavity C and the window of cavity D, and the window of cavity C and the window of cavity D are also located on different sides of the sub-cavity. When the glass fiber cloth passes through cavity C and cavity D, it also has an S-shaped bend. It should be noted that the four windows of the four sub-cavities are located at the same height. In this way, each side of the glass fiber cloth is coated twice to ensure the coating effect.

[0021] As another preferred embodiment of the present invention, each sub-cavity has two windows, and the two windows are distributed at different heights, so that each sub-cavity can simultaneously pass two rolls of glass fiber cloth, and such a device can simultaneously complete the double-sided impregnation of two rolls of glass fiber cloth. Similarly, when each sub-cavity has multiple windows, and the multiple windows are spaced apart in the height direction, multiple glass fiber cloths can be impregnated simultaneously.

[0022] like Figure 4 As shown, the method for using the double-sided coating device for glass fiber cloth comprises the following steps: injecting a wetting agent into the main cavity until the liquid level of the wetting agent in the sub-cavity rises to a height above the window, the wetting agent soaks the water-absorbing material, two vertical conveying rollers are provided, and the glass fiber cloth is installed on the two vertical conveying rollers so that the glass fiber cloth is conveyed in a vertical state, the glass fiber cloth first extends from a conveying roller to bypass the window of one sub-cavity, and then bypasses the window of another adjacent sub-cavity, and is rolled up onto another conveying roller, and the two sides of the glass fiber cloth are respectively coated with the wetting agent by the water-absorbing material in the windows of the two sub-cavities.

[0023] As another preferred example of the present invention, the main cavity is made of transparent material, so that the liquid level can be observed. When the liquid level drops, the wetting agent is added to the main cavity to prevent the glass fiber cloth from having parts that cannot be wetted.

[0024] In order to prevent the water-absorbing material from falling into the sub-cavity, a screen 6 is provided inside the window, and the water-absorbing material is confined in the space between the screen and the window.

[0025] A base is provided at the bottom of the main cavity, which can position and fix the entire structure on the ground or other structural parts.

Claims

1. Glass fiber cloth double-sided coating device, characterized by: include: Main cavity (1); At least two communicating pipes (2), one end of the two communicating pipes being in communication with the bottom of the main cavity; at least two sub-cavities (3), the bottom of the two sub-cavities being in communication with the other ends of the two communicating pipes; a window (4), the window being provided on the middle surface of the sub-cavity, and the windows on two adjacent sub-cavities being distributed on different sides of the sub-cavity; and a water-absorbing material (5), the water-absorbing material being built into the window.

2. The double-sided coating device for glass fiber cloth as claimed in claim 1, characterized in that: There are four communicating pipes, which are evenly distributed around the main cavity.

3. The double-sided coating device for glass fiber cloth as claimed in claim 1, characterized in that: The main cavity is a cylindrical structure.

4. The double-sided coating device for glass fiber cloth as claimed in claim 3, characterized in that: The main cavity is made of transparent material.

5. The double-sided coating device for glass fiber cloth as claimed in claim 1, characterized in that: A screen (6) is provided on the inner side of the window, and the water-absorbing material is confined in the space between the screen and the window.

6. The double-sided coating device for glass fiber cloth as claimed in claim 1, characterized in that: The water absorbing material is sponge or cotton.

7. The double-sided coating device for glass fiber cloth as claimed in claim 1, characterized in that: There are a plurality of windows, which are distributed at intervals along the height direction of the sub-cavity.

8. The double-sided coating device for glass fiber cloth as claimed in claim 1, characterized in that: A base is provided at the bottom of the main cavity.

9. The method for using the double-sided coating device for glass fiber cloth according to any one of claims 1 to 8, characterized in that: The following steps are involved: The impregnating agent is injected into the main cavity until the liquid level of the impregnating agent in the sub-cavity rises to the height above the window. The impregnating agent soaks the water-absorbing material. Two vertical conveying rollers are set, and the glass fiber cloth is installed on the two vertical conveying rollers so that the glass fiber cloth is conveyed in a vertical state. The glass fiber cloth first extends from a conveying roller to bypass the window of a sub-cavity, and then bypasses the window of another adjacent sub-cavity, and is rolled up onto another conveying roller. The two sides of the glass fiber cloth are respectively coated with the impregnating agent by the water-absorbing material in the windows of the two sub-cavities.

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