Bushing plate for wiredrawing glass fiber cotton

Abstract

The utility model discloses a bushing for glass fiber cotton wiredrawing in the technical field of glass limiting wiredrawing, which comprises a bushing body and a cooling plate movably mounted at the bottom end of the bushing body, a first mounting plate and a second mounting plate are respectively welded at the left end and the right end of the bushing body, and a plurality of groups of constant-temperature wiredrawing components are uniformly arranged on the surface of the bushing body. An arc-shaped port is designed at the top end of the wire drawing channel, so that a glass solution can better flow into the wire drawing channel, meanwhile, a soaking sleeve is arranged, the constancy of the temperature in the wire drawing channel can be effectively maintained, the situation that the thickness of glass fiber wire drawing is not uniform is avoided, and the wire drawing quality is improved; the bushing cooling device has the advantages that the bushing is supported and the load of the bushing is shared, the bushing in work can be continuously cooled, the service life of the bushing is effectively prolonged, the cost is saved, and the stability and the high efficiency in the glass fiber cotton wire drawing process are guaranteed.

Description

Technical Field

[0001] The utility model relates to the technical field of glass fiber wire drawing, in particular to a bushing for drawing glass fiber cotton. Background Technique

[0002] Glass fiber is a filamentous substance made of glass artificially. The wire drawing of glass fiber usually melts raw materials such as pyrophyllite into a glass solution in a kiln, removes bubbles and then transports it to a porous bushing through a passage, and high-speed draws it into a primary glass fiber filament.

[0003] In the prior art, the bushing for drawing glass fiber operates continuously at high temperature and bears a certain load, which makes the bushing prone to deformation and oxidation, resulting in a high use cost, and also affects the quality of glass fiber. Therefore, those skilled in the art provide a bushing for drawing glass fiber cotton to solve the problems raised in the above background technique. Content of the Utility Model

[0004] The purpose of the utility model is to provide a bushing for drawing glass fiber cotton to solve the problems raised in the above background technique.

[0005] To achieve the above purpose, the utility model provides the following technical solution: A bushing for drawing glass fiber cotton, including a bushing body, a cooling plate movably installed at the bottom end of the bushing body, a first mounting plate and a second mounting plate are respectively welded to the left and right ends of the bushing body, and a number of groups of constant-temperature wire drawing components are evenly arranged on the surface of the bushing body;

[0006] The constant-temperature wire drawing component mainly consists of a wire drawing channel and a heat equalizing sleeve. The wire drawing channel penetrates through the bushing body and extends out of the bottom of the bushing body. An arc-shaped port is provided at the port of the wire drawing channel flush with the upper surface of the bushing body. The other end of the wire drawing channel is communicated with a nozzle. The heat equalizing sleeve is sleeved on the surface of the wire drawing channel extending out of the bottom end of the bushing body. One end of the heat equalizing sleeve is connected to the bottom end of the bushing body, and the other end is flush with the upper port of the nozzle.

[0007] Preferably: A number of groups of through holes are dug through the cooling plate, and each group of through holes is correspondingly arranged with the wire drawing channel. The height of the cooling plate is the same as that of the heat equalizing sleeve.

[0008] Preferably: A cooling pipe is serpentinely laid inside the cooling plate, and the cooling pipe is horizontally installed around the through hole transversely.

[0009] Preferably: The two ends of the cooling pipe are respectively set as a liquid inlet end and a liquid outlet end, and both the liquid inlet end and the liquid outlet end penetrate through the side wall of the cooling plate and extend to the outside.

[0010] Preferably, the liquid inlet end is communicated with the bottom end of the liquid inlet tank opening, and a first control valve is installed between the liquid inlet end and the liquid inlet tank opening.

[0011] Preferably, the liquid outlet end is communicated with the bottom end of the liquid outlet tank opening, and a second control valve is installed between the liquid outlet end and the liquid outlet tank opening.

[0012] Compared with the prior art, the beneficial effects of the present utility model are as follows:

[0013] 1. In the present utility model, by designing an arc-shaped port at the top of the wire drawing channel, it is convenient for the glass solution to flow into the wire drawing channel better. At the same time, the provided heat equalizing sleeve can effectively maintain the temperature constancy in the wire drawing channel, avoid the uneven thickness of the glass fiber wire drawing, and improve the wire drawing quality.

[0014] 2. In the present utility model, the cooling plate arranged below the tundish body not only plays a role in supporting the tundish and sharing its load, but also can continuously cool down the working tundish, effectively improving the service life of the tundish, saving costs, and ensuring the stability and efficiency of the glass fiber cotton wire drawing process. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 is a schematic diagram of the overall structure of the present utility model;

[0016] Figure 2 is a schematic diagram of the structure of the contact part between the tundish and the cooling plate of the present utility model;

[0017] Figure 3 is a schematic diagram of the internal structure of the cooling plate of the present utility model;

[0018] Figure 4 is a cross-sectional view of the tundish of the present utility model.

[0019] In the figure: 1, tundish body; 2, wire drawing channel; 3, arc-shaped port; 4, heat equalizing sleeve; 5, nozzle; 6, cooling plate; 7, through hole; 8, cooling pipe; 9, liquid inlet end; 10, liquid outlet end; 11, first control valve; 12, liquid inlet tank opening; 13, liquid outlet tank opening; 14, second control valve; 15, first mounting plate; 16, second mounting plate. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0020] The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the embodiments. All other embodiments obtained by those of ordinary skill in the art based on the embodiments of the present utility model without making creative efforts shall fall within the protection scope of the present utility model.

[0021] Please refer to Figures 1 to 4 In an embodiment of the present utility model, a nozzle plate for drawing fiberglass cotton includes a nozzle plate body 1 and a cooling plate 6 movably installed at the bottom end of the nozzle plate body 1. A first mounting plate 15 and a second mounting plate 16 are respectively welded to the left and right ends of the nozzle plate body 1. A number of groups of constant-temperature wire-drawing assemblies are evenly arranged on the surface of the nozzle plate body 1, which can effectively maintain the temperature constancy in the wire-drawing channel, avoid the uneven thickness of fiberglass wire-drawing, and improve the wire-drawing quality.

[0022] During use, the constant-temperature wire-drawing assembly mainly consists of a wire-drawing channel 2 and a heat-uniforming sleeve 4. The wire-drawing channel 2 penetrates through the nozzle plate body 1 and extends out of the bottom of the nozzle plate body 1. An arc-shaped port 3 is provided at the port of the wire-drawing channel 2 flush with the upper surface of the nozzle plate body 1. The other end of the wire-drawing channel 2 is communicated with a nozzle 5. The heat-uniforming sleeve 4 is sleeved on the surface of the wire-drawing channel 2 extending out of the bottom end of the nozzle plate body 1. One end of the heat-uniforming sleeve 4 is connected to the bottom end of the nozzle plate body 1, and the other end is flush with the upper port of the nozzle 5. The glass solution flows through the wire-drawing channel 2 under the guidance of the arc-shaped port 3, flows out from the nozzle 5, and maintains the temperature constancy in the wire-drawing channel under the action of the heat-uniforming sleeve 4, improving the wire-drawing efficiency.

[0023] In one embodiment, specifically, a number of groups of through holes 7 are dug through the cooling plate 6, and each group of through holes 7 is correspondingly arranged with the wire-drawing channel 2. The height of the cooling plate 6 is the same as that of the heat-uniforming sleeve 4, which plays a role in supporting the nozzle plate and sharing its load.

[0024] Specifically, a cooling pipe 8 is serpentinely laid inside the cooling plate 6, and the cooling pipe 8 is horizontally installed around the through holes 7 transversely, which can continuously cool down the working nozzle plate, effectively improving the service life of the nozzle plate and saving costs.

[0025] Among them, the two ends of the cooling pipe 8 are respectively set as a liquid inlet end 9 and a liquid outlet end 10. The liquid inlet end 9 and the liquid outlet end 10 both penetrate through the side wall of the cooling plate 6 and extend to the outside, which is more convenient for timely replacement of the coolant and improves the cooling efficiency.

[0026] In one embodiment, specifically, the liquid inlet end 9 is communicated with the bottom end of the liquid inlet tank opening 12, a first control valve 11 is installed between the liquid inlet end 9 and the liquid inlet tank opening 12, the liquid outlet end 10 is communicated with the bottom end of the liquid outlet tank opening 13, and a second control valve 14 is installed between the liquid outlet end 10 and the liquid outlet tank opening 13.

[0027] The above is only the preferred specific implementation manner of the present utility model, but the protection scope of the present utility model is not limited thereto. Any person skilled in the art within the technical scope disclosed by the present utility model, according to the technical solution of the present utility model and its utility model concept, makes equivalent replacements or changes, and should be covered within the protection scope of the present utility model.

Claims

1. A bushing for drawing fiberglass wool, comprising a bushing body (1) and a cooling plate (6) movably installed at the bottom end of the bushing body (1), characterized in that: The left and right ends of the bushing body (1) are respectively welded with a first mounting plate (15) and a second mounting plate (16), and a number of groups of constant-temperature wire drawing assemblies are evenly arranged on the surface of the bushing body (1). The constant-temperature wire drawing assembly mainly consists of a wire drawing channel (2) and a heat equalizing sleeve (4). The wire drawing channel (2) penetrates through the bushing body (1) and extends out of the bottom of the bushing body (1). An arc-shaped port (3) is provided at the port of the wire drawing channel (2) flush with the upper surface of the bushing body (1). The other end of the wire drawing channel (2) is communicated with a nozzle (5). The heat equalizing sleeve (4) is sleeved on the surface of the wire drawing channel (2) extending out of the bottom end of the bushing body (1). One end of the heat equalizing sleeve (4) is connected to the bottom end of the bushing body (1), and the other end is flush with the upper port of the nozzle (5).

2. The bushing for drawing fiberglass wool according to claim 1, characterized in that: A number of groups of through holes (7) are dug through the cooling plate (6), and each group of through holes (7) is correspondingly arranged with the wire drawing channel (2). The height of the cooling plate (6) is the same as that of the heat equalizing sleeve (4).

3. The orifice plate for drawing fiberglass wool according to claim 2, characterized in that: A cooling pipe (8) is serpentinely laid inside the cooling plate (6), and the cooling pipe (8) is horizontally installed around the through hole (7) transversely.

4. A bushing for glass fiber cotton wire drawing according to claim 3, characterized in that: Both ends of the cooling pipe (8) are respectively set as a liquid inlet end (9) and a liquid outlet end (10), and both the liquid inlet end (9) and the liquid outlet end (10) penetrate through the side wall of the cooling plate (6) and extend to the outside.

5. A bushing for drawing fiberglass wool according to claim 4, characterized in that: The liquid inlet end (9) is communicated with the bottom end of the liquid inlet tank opening (12), and a first control valve (11) is installed between the liquid inlet end (9) and the liquid inlet tank opening (12).

6. A bushing for glass fiber cotton drawing according to claim 5, characterized in that: The liquid outlet end (10) is communicated with the bottom end of the liquid outlet tank opening (13), and a second control valve (14) is installed between the liquid outlet end (10) and the liquid outlet tank opening (13).

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