CN210945381U - Basalt fiber wire drawing forming bushing - Google Patents

Abstract

The utility model discloses a basalt fiber wire drawing shaping bushing, bushing body including the slot-like, bushing body bottom is provided with the strengthening rib, bushing body bottom is provided with a plurality of tips, bushing body outside is provided with the electrode, its characterized in that, bushing body inboard is provided with the filter screen that has the filtration pore, bushing body, filter screen and strengthening rib all electrically conduct. When basalt glass liquid flows downwards to the bushing body from the passageway, whole process presents for the cooling curve, and the temperature descends gradually promptly, in order to slow down glass liquid cooling amplitude value, at every layer of design heating device of bushing inside, from the superiors to the time of following in proper order: the three devices in the bushing are powered on through the electrodes, so that the gradual heating effect is achieved, the heating is more uniform, and meanwhile, the filter screen and filter holes with the diameter smaller than the discharge spouts filter impurities in glass liquid, and the discharge spouts are prevented from being blocked.

Description

Basalt fiber wire drawing forming bushing

Technical Field

The utility model relates to a basalt fiber production facility technical field particularly, relates to a basalt fiber wire drawing shaping bushing.

Background

The basalt fiber is a continuous fiber which is formed by melting basalt stone at 1450-1500 ℃ and drawing the basalt stone at high speed through a platinum-rhodium alloy wire drawing bushing, and has the strength equivalent to that of high-strength S glass fiber. The pure natural basalt fiber is generally brown in color and is somewhat golden. The basalt fiber is a novel inorganic environment-friendly green high-performance fiber material, and is formed by quickly drawing basalt stone material consisting of oxides such as silicon dioxide, aluminum oxide, calcium oxide, magnesium oxide, iron oxide, titanium dioxide and the like through a bushing after the basalt stone material is melted at high temperature. After the basalt melt flows into the rectangular groove-shaped cavity bushing, the temperature of the bushing is increased when the bushing is electrically heated, then the melt flows out through a bushing tip on a bottom plate, and simultaneously continuous basalt fibers are wound under the bushing through high-speed wire drawing.

Chinese utility model patent [ application No. CN201120522247.1 ] discloses a platinum rhodium bushing for basalt fiber wire drawing, belongs to a basalt fiber production matching device, including being the slotted bushing body (1), the top of bushing body (1) is provided with turn-ups (2), and the both ends of its bushing body (1) or arbitrary one side are provided with electrode (3), slotted bushing body (1) bottom be provided with blank (7) and a plurality of downwardly extending's discharge spout (4), the blank is located the both ends of bushing body (1) bottom, and a plurality of discharge spouts (4) are located between blank (7), a plurality of discharge spouts (4) divide into 4 to 8 rows of horizontal or vertical arrangement in bushing body (1) bottom, be provided with cooling device in the clearance that a plurality of discharge spouts (4) were arranged; the upper side of the inner side of the bottom of the bushing plate body (1) is provided with a filter screen (5), and the filter screen (5) is provided with a plurality of filter screen holes.

When the bushing is used, only the bushing body is used for heating when the bushing is heated, the molten liquid close to the bushing has a good heating effect, the molten liquid far away from the bushing body has a poor heating effect, so that the wire drawing effect is uneven, and the quality of the produced basalt fiber is poor.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a basalt fiber wire drawing shaping bushing that production efficiency is high.

The embodiment of the utility model is realized like this: the basalt fiber wire drawing forming bushing plate comprises a groove-shaped bushing plate body, wherein reinforcing ribs are arranged at the bottom of the bushing plate body, a plurality of discharge spouts are arranged at the bottom of the bushing plate body, electrodes are arranged outside the bushing plate body, the basalt fiber wire drawing forming bushing plate is characterized in that a filter screen with filter holes is arranged on the inner side of the bushing plate body, and the bushing plate body, the filter screen and the reinforcing ribs are all conductive.

Furthermore, be provided with the electrically conductive supporting beam that is used for supporting the filter screen below the filter screen, the height of strengthening rib is less than supporting beam or flushes with supporting beam.

Furthermore, the reinforcing ribs and the supporting beams are arranged in a staggered mode.

Furthermore, the diameter of the filter holes on the filter screen is 0.05-0.2mm smaller than that of the discharge spout.

Furthermore, the sum of the areas of all the filter holes is 2-3 times of the sum of the areas of all the discharge spouts.

Further, the supporting beam is in a quadrangular shape, and edges of the supporting beam are in contact with the filter screen.

Furthermore, the reinforcing rib comprises a vertical plate connected with the bottom of the bushing body and a cross beam arranged above the vertical plate, and the cross section of the cross beam is arched.

Further, the cross section of the cross beam is semicircular or 3/4 circular.

The utility model has the advantages that: when basalt glass liquid flows downwards to the bushing body from the passageway, whole process presents for the cooling curve, and the temperature descends gradually promptly, in order to slow down glass liquid cooling amplitude value, at every layer of design heating device of bushing inside, from the superiors to the time of following in proper order: the filter screen, strengthening rib and bushing, these three kinds of devices pass through the electrode switch on in the bushing, and the cross-sectional area of filter screen, strengthening rib and bushing body is great, thereby can more generate heat through the electric current, play progressively the heating effect, the heating is also more even, and filter screen and diameter ratio weeping mouth are little simultaneously the filtration pore filters impurity in with the glass liquid, avoids the weeping mouth to block up.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention, and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.

Fig. 1 is a schematic structural view of the basalt fiber wire drawing forming bushing of the utility model.

Reference numerals: 1-a bushing body, 2-a filter screen, 3-a support beam, 4-a reinforcing rib, 41-a vertical plate, 42-a cross beam, 5-a discharge spout and 7-a flanging.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. The components of embodiments of the present invention, as generally described and illustrated in the figures herein, may be arranged and designed in a wide variety of different configurations.

A basalt fiber wire drawing forming bushing plate comprises a groove-shaped bushing plate body 1, wherein a flange 7 is arranged at the top of the bushing plate body 1, a plurality of discharge spouts 5 are arranged at the bottom of the bushing plate body 1, electrodes are arranged outside the bushing plate body 1, a filter screen 2 with filter holes is arranged at the inner side of the bushing plate body 1, a quadrangular conductive support beam 3 used for supporting the filter screen 2 is arranged below the filter screen 2, the diameter of each filter hole is 0.05-0.2mm smaller than the diameter of each discharge spout 5, the sum of the areas of all the filter holes is 2-3 times of the sum of the areas of all the discharge spouts 5, the edges of the support beam 3 are in contact with the filter screen 2, reinforcing ribs 4 are further arranged at the bottom of the bushing plate body 1, each reinforcing rib 4 comprises a vertical plate 41 connected with the bottom of the bushing plate body 1 and a cross beam 42 arranged above the vertical plate 41, and the cross section of each cross beam 42 is semicircular or 35, in the utility model discloses a in other embodiments, the cross section of crossbeam 42 is the arch, and the arch can be a part of circle, sphere or cylinder, also can be parabola, oval partly, also can be triangle-shaped or arc, strengthening rib 4 highly is less than a supporting beam 3 the utility model discloses in other embodiments, strengthening rib 4 highly also can flush with a supporting beam 3, do not influence the utility model discloses an implement, strengthening rib 4 sets up with a supporting beam 3 is crisscross, filter screen 2, a supporting beam 3 and strengthening rib 4 are all electrically conductive.

The specific working principle is as follows: when basalt glass liquid flows downwards to bushing body 1 from the passageway in, whole process presents for the cooling curve, and the temperature descends gradually promptly, in order to slow down glass liquid cooling amplitude value, at every layer of design heating device of bushing inside, from the superiors to being in proper order down: the filter screen 2, the supporting beam 3 and the reinforcing ribs 4 are connected through electrodes in the bushing, the filter screen 2, the supporting beam 3, the reinforcing ribs 4 and the bushing body 1 generate more heat through current, the gradual heating effect is achieved, meanwhile, the filter screen 2 and filtering holes with the diameter smaller than the bushing tip 5 filter impurities in glass liquid, the bushing tip 5 is prevented from being blocked, the contact area between a semi-cylindrical or 3/4 cylindrical design and the glass liquid is the largest, the heating effect is better, the flowing of the glass liquid is slowed down due to the cylindrical design, the temperature deviation influence caused by the rapid change of the flow speed and the flow of the glass liquid near the wire drawing bushing tip 5 is reduced, the supporting beam 3 is of a quadrangular prism design, the edges of the supporting beam 3 are in contact with the filter screen 2, one of the supporting beam can increase the height in the vertical direction, so that the gradient heating is wider, and the other two of the supporting beam can, and thirdly, the contact area between the filter screen 2 and the supporting beam 3 can be reduced, the filter holes are prevented from being blocked, and the glass liquid flows towards the bottom of the bushing plate more quickly on the layer of the supporting beam 3, so that the heat loss can be reduced better.

The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (8)

1. The basalt fiber wire drawing forming bushing plate comprises a groove-shaped bushing plate body, wherein reinforcing ribs are arranged at the bottom of the bushing plate body, a plurality of discharge spouts are arranged at the bottom of the bushing plate body, electrodes are arranged outside the bushing plate body, the basalt fiber wire drawing forming bushing plate is characterized in that a filter screen with filter holes is arranged on the inner side of the bushing plate body, and the bushing plate body, the filter screen and the reinforcing ribs are all conductive.

2. The basalt fiber wire-drawing forming bushing according to claim 1, wherein an electrically conductive supporting beam for supporting the filter screen is arranged below the filter screen, and the reinforcing rib has a height lower than or equal to the supporting beam.

3. The basalt fiber drawing forming bushing according to claim 2, wherein the reinforcing ribs are staggered with the supporting beams.

4. The basalt fiber wire drawing forming bushing according to claim 1, wherein the diameter of the filter holes on the filter screen is 0.05 to 0.2mm smaller than the diameter of the bushing tip.

5. The basalt fiber wire drawing forming bushing according to any one of claims 1 to 4, wherein the sum of the areas of all the filter holes is 2 to 3 times the sum of the areas of all the tips.

6. The basalt fiber wire-drawing forming bushing according to claim 2 or 3, wherein the support beam is in the shape of a quadrangular prism, and edges of the support beam are in contact with a filter screen.

7. The basalt fiber drawing forming bushing of claim 6, wherein the reinforcing rib comprises a vertical plate connected with the bottom of the bushing body and a cross beam arranged above the vertical plate, and the cross section of the cross beam is arched.

8. The basalt fiber wiredrawing forming bushing of claim 7, wherein the cross-section of the cross-beam is semi-circular or 3/4 circular.

Images