阅读说明：本技术 一种离心机用拉伸风盘 (Stretching air disc for centrifugal machine ) 是由 顾文华 张振峰 于 2021-08-26 设计创作，主要内容包括：本发明涉及一种离心机用拉伸风盘,包括拉伸风盘本体,所述拉伸风盘本体的底面设置有两排环形360度的出气口圆形孔方形口均可,即拉伸风口,所述拉伸风盘上设置有与所述拉伸风口连通的进气口,所述拉伸风口的环形孔外侧或内侧均可以设置有弹簧片。本发明提供的离心机用拉伸风盘在拉伸风口出风时弹簧片和气流相互摩擦使得弹簧片产生振动产生振动波,振动波随气流传递至玻璃纤维丝处使得玻璃纤维丝随之振动产生相应形状的玻璃纤维丝,从而使得制作的玻璃纤维棉中相邻的玻璃纤维丝之间空隙更大,进而使得玻璃纤维棉更蓬松纤维相互之间拉力更强,保温性能和弹性更好。(The invention relates to a stretching air disc for a centrifugal machine, which comprises a stretching air disc body, wherein the bottom surface of the stretching air disc body is provided with two rows of circular and square openings with 360-degree air outlets, namely stretching air outlets, the stretching air disc is provided with air inlets communicated with the stretching air outlets, and the outer side or the inner side of each circular opening of each stretching air outlet can be provided with a spring piece. According to the stretching air disc for the centrifugal machine, when air is exhausted from the stretching air opening, the spring piece and the air flow rub with each other to enable the spring piece to vibrate to generate vibration waves, the vibration waves are transmitted to the glass fiber yarns along with the air flow, so that the glass fiber yarns vibrate to generate the glass fiber yarns with corresponding shapes, gaps between the adjacent glass fiber yarns in the manufactured glass fiber cotton are larger, the glass fiber cotton is fluffier, the tension between the fibers is stronger, and the heat insulation performance and the elasticity are better.)

1. A stretching wind disk for a centrifuge comprises a stretching wind disk body (8), wherein the bottom surface of the stretching wind disk body is provided with a stretching wind port (8a), the stretching wind disk is provided with a gas inlet (9) communicated with the stretching wind port, and the stretching wind disk is characterized in that,

and a spring piece (10) is arranged on the outer side or the inner side of the stretching tuyere.

2. The stretching wind disk for the centrifuge as claimed in claim 1, wherein the number of the stretching wind ports is plural, the stretching wind ports are circumferentially arranged on the stretching wind disk, and the spring pieces are arranged in one-to-one correspondence with the stretching wind ports.

3. The stretching air disc for the centrifugal machine according to claim 2, wherein an annular chamber (8b) is arranged in the stretching air disc body, the stretching air port is communicated with the annular chamber, and the air inlet is communicated with the annular chamber.

4. The stretching wind disk for the centrifugal machine according to claim 2, wherein the air inlet is provided at a side surface of the stretching wind disk body.

5. The stretching tuyere of claim 1, comprising a first stretching tuyere (8-1) and a second stretching tuyere (8-2), wherein the first stretching tuyere is located inside the second stretching tuyere;

the air inlets comprise a first air inlet and a second air inlet (9-1), the first air inlet is communicated with the first stretching air port, and the second air inlet is communicated with the second stretching air port;

and a spring piece is arranged on the outer side of at least one of the first stretching tuyere and the second stretching tuyere.

6. The electric auxiliary heating centrifuge as claimed in claim 5, wherein the stretching air disk is provided with a plurality of first stretching air ports and second stretching air ports in the circumferential direction, and the first stretching air ports and the second stretching air ports are arranged in one-to-one correspondence;

and an annular elastic sheet (11) is fixed on the bottom surface of the stretching air disc, and the spring sheet is arranged on the annular elastic sheet and corresponds to the first stretching air opening or/and the second stretching air opening one to one.

7. An electrically assisted heated centrifuge according to claim 5 or 6 wherein the annular chambers comprise a first annular chamber (8-3) in communication with the first stretching tuyere and a second annular chamber (8-4) in communication with the second stretching tuyere;

the first inlet port communicates with the first annular chamber and the second inlet port communicates with the second annular chamber.

Technical Field

The invention relates to the technical field of production of superfine glass fiber products, in particular to a stretching air disc for a centrifugal machine.

Background

The superfine glass fiber product is produced by performing fiberization spraying on glass in a molten state by a centrifugal process and thermosetting resin supporting filament materials, and then performing thermosetting processing treatment, wherein in the production process, a centrifugal machine is a main machine for producing the superfine glass fiber product, molten raw materials are thrown out by a centrifugal disc and then drawn into superfine glass fibers, the existing centrifugal machine mainly draws the superfine glass fibers by a drawing air disc, a drawing air port is arranged on the drawing air disc, and cold air is blown outwards through the drawing air port to pull and cool the thrown hot glass fibers so as to make the glass fibers thinner and shaped.

Disclosure of Invention

The present invention is directed to a tension wind disk for a centrifugal machine, which solves at least one of the above problems.

The technical scheme of the application is as follows: the utility model provides a centrifugal machine is with tensile wind dish, includes tensile wind dish body, the bottom surface of tensile wind dish body is provided with tensile wind gap, be provided with on the tensile wind dish with the air inlet of tensile wind gap intercommunication, the outside or the inboard in tensile wind gap are provided with the spring leaf.

Preferably, the stretching air openings are multiple, the stretching air openings are circumferentially arranged on the stretching air disc, and the spring pieces are arranged in one-to-one correspondence with the stretching air openings.

Preferably, an annular cavity is arranged in the stretching air disc body, the stretching air port is communicated with the annular cavity, and the air inlet is communicated with the annular cavity.

Preferably, the air inlet is arranged on the side surface of the stretching air disc body.

Preferably, the stretching tuyere comprises a first stretching tuyere and a second stretching tuyere, and the first stretching tuyere is positioned at the inner side of the second stretching tuyere; the air inlets comprise a first air inlet and a second air inlet, the first air inlet is communicated with the first stretching air port, and the second air inlet is communicated with the second stretching air port; and a spring piece is arranged on the outer side of at least one of the first stretching tuyere and the second stretching tuyere.

Preferably, the stretching air disc is provided with a plurality of first stretching air openings and second stretching air openings in the circumferential direction, and the first stretching air openings and the second stretching air openings are arranged in a one-to-one correspondence manner; the bottom surface of the stretching air disc is fixed with an annular elastic sheet, and the elastic sheet is arranged on the annular elastic sheet and corresponds to the first stretching air opening or/and the second stretching air opening one to one.

Preferably, the annular chamber comprises a first annular chamber and a second annular chamber, the first annular chamber is communicated with the first stretching tuyere, and the second annular chamber is communicated with the second stretching tuyere; the first inlet port communicates with the first annular chamber and the second inlet port communicates with the second annular chamber.

According to the stretching air disc for the centrifugal machine, when air is exhausted from the stretching air opening, the spring piece and the air flow rub with each other to enable the spring piece to vibrate to generate vibration waves, the vibration waves are transmitted to the glass fiber yarns to enable the glass fiber yarns to vibrate to generate the glass fiber yarns with corresponding shapes, so that gaps between adjacent glass fiber yarns in the manufactured glass fiber cotton are larger, the glass fiber cotton is enabled to be more fluffy, and the heat insulation performance and the elasticity are better.

Drawings

Fig. 1 is one of the schematic internal structural views of a tension wind disk for a centrifuge according to the present invention;

FIG. 2 is a second schematic view of the internal structure of a tension wind disk for a centrifuge according to the present invention;

FIG. 3 is a schematic structural view of a ring-shaped spring;

in the figure: the device comprises a stretching air disk body 8, a stretching air opening 8a, an annular chamber 8b, a first stretching air opening 8-1, a second stretching air opening 8-2, a first annular chamber 8-3, a second annular chamber 8-4, an air inlet 9, a second air inlet 9-1, a spring piece 10 and an annular elastic piece 11.

Detailed Description

The invention is further illustrated by the following figures and examples.

Embodiment 1, the present invention provides a stretching wind disk for a centrifuge, which includes a stretching wind disk body 8, where a stretching wind port 8a is provided on a bottom surface of the stretching wind disk body, a wind inlet 9 communicated with the stretching wind port is provided on the stretching wind disk, and a spring leaf 10 is provided on an outer side of the stretching wind port, in this embodiment, a plurality of stretching wind ports are circumferentially provided on the stretching wind disk, the spring leaves and the stretching wind ports are arranged in a one-to-one correspondence manner, for convenience of manufacturing, an annular chamber 8b is provided in the stretching wind disk body, each stretching wind port is communicated with the annular chamber, and the wind inlet is communicated with the annular chamber, so that a plurality of stretching wind ports can be communicated only with one wind inlet, and generally, the wind inlet is provided on a side surface of the stretching wind disk body.

The spring leaf and the air current rub each other when the air outlet of tensile wind gap of foretell centrifugal machine is drawn the wind dish and is made the spring leaf produce the vibration and produce the vibration wave, and the vibration wave is transmitted to glass fiber silk department along with the air current and is made glass fiber silk vibration thereupon and produce the glass fiber silk of corresponding shape to it is bigger to make the space between the adjacent glass fiber silk in the glass fiber cotton of preparation, and then makes glass fiber cotton more fluffy, and thermal insulation performance and elasticity are better.

In this embodiment, the spring piece is arranged on the inner side of the air inlet to achieve the expected effect.

Embodiment 2, the present invention provides a stretching wind disk for a centrifuge, referring to fig. 2 and fig. 3, including a stretching wind disk body 8, a stretching wind port is provided on a bottom surface of the stretching wind disk body, a wind inlet communicated with the stretching wind port is provided on the stretching wind disk, the stretching wind port includes a first stretching wind port 8-1 and a second stretching wind port 8-2, and the first stretching wind port is located inside the second stretching wind port; the air inlets include a first air inlet (not shown) communicating with the first stretching tuyere and a second air inlet 9-1 communicating with the second stretching tuyere; spring pieces 10 are arranged on the outer sides of the first stretching air opening and the second stretching air opening, in the embodiment, a plurality of first stretching air openings and second stretching air openings are circumferentially arranged on the stretching air disk, and the first stretching air openings and the second stretching air openings are arranged in a one-to-one correspondence manner; an annular elastic sheet 11 is fixed on the bottom surface of the stretching air disk, the elastic sheet is arranged on the annular elastic sheet and is in one-to-one correspondence with the first stretching air opening or/and the second stretching air opening, for convenience of manufacture, a first annular chamber 8-3 and a second annular chamber 8-4 are arranged in the stretching air disk body, the first annular chamber is communicated with the first stretching air opening, and the second annular chamber is communicated with the second stretching air opening; the first inlet port communicates with the first annular chamber and the second inlet port communicates with the second annular chamber.

When the stretching air disc for the centrifugal machine is used, hot air is introduced into the first air inlet, cold air is introduced into the second air inlet, the thrown glass fiber yarns are kept at a higher temperature at the first stretching air port, and are continuously stretched to form thinner glass fiber yarns, and then the temperature of the glass fiber yarns is rapidly reduced at the second stretching air port for forming, so that the produced glass fiber yarns are thinner, more glass fiber yarns exist in the unit volume of the produced glass fiber cotton, the space occupancy rate among the glass fiber yarns in the unit volume is larger, the produced glass fiber cotton is further fluffy, and the heat preservation performance and the elasticity are better; in addition, the annular elastic sheets are fixed on the outer sides of the first stretching air port and the second stretching air port, so that the air flow under the stretching action and the annular elastic sheets are rubbed to form secondary vibration, the vibration amplitude of vibration waves is enhanced, the curvature of the glass fiber yarns is larger, the glass fiber cotton is more fluffy, the heat insulation performance and the elasticity are better, of course, the spring sheet arranged on one of the first stretching air port and the second stretching air port in the first stretching air port and the second stretching air port can also enable the heat insulation performance and the elasticity of the produced glass fiber cotton to be better than those of the existing glass fiber cotton, and the effect is only different relative to the arrangement of the two stretching air ports. The structure of the annular spring plate in this embodiment is also applicable to embodiment 1.

In the actual manufacturing process, the spring piece on the outer side of the first stretching air port and the spring piece of the second stretching air port are generally made of the same material, and in the actual production, the spring pieces can be made of different materials to enable the vibration frequencies of the two spring pieces to be different, so that the glass fiber yarns in irregular bent shapes are produced, adjacent glass fiber yarns in the glass fiber cotton are not easy to coincide, and the produced glass fiber cotton can keep the fluffy state; in addition, the air outlet speed of the first stretching air opening and the air outlet speed of the second stretching air opening can be controlled to achieve the effect by setting the diameters of the first stretching air opening and the second stretching air opening to be different.

Foretell tensile wind dish for centrifuge can be directly when using through the pipeline for first air inlet logical hot-blast, need not use in whole centrifuge like this fire door, outer fire door, bocca upper cover and natural gas combustion chamber isotructure, can simplify centrifuge's overall structure greatly, has reduced centrifuge's the production degree of difficulty.

It should be noted that the annular elastic sheet can be replaced by an annular spring, and the principle of the annular elastic sheet is the same as that of the annular elastic sheet, which is not described herein again.

In this embodiment, can be provided with two rows of 360 degrees gas outlets of annular in the bottom surface of tensile wind dish body when the tensile wind dish of preparation promptly tensile wind gap, the square mouth of gas outlet circular port all can.

The above description is only for the purpose of illustrating preferred embodiments of the present invention and is not to be construed as limiting the present invention, and the terms first, second, etc. are used for distinguishing between similar terms and not for limiting the technical terms, and various modifications and variations of the present invention may occur to 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.