CN2310774Y - Spinneret for spinning porous three-dimensional crimped fiber - Google Patents

Abstract

The utility model relates to a spinning plate used for spinning porous three-dimensional crimped fiber. Spinning holes [1] on a spinning plate [2] are distributed in an annular shape, and the spinning holes are composed of guide holes [3] and spinning pores [4]. The utility model is characterized in that the cross-sectional shapes of the spinning pores [4] are formed by that C-shaped holes [7]are arranged at the center; a plurality of T-shaped holes are surrounded and ranged out of the C-shaped holes [7]; the cross holes of each T-shaped hole are arranged at the outer side; the vertical holes of the T-shaped holes are arranged at the inner side, and point to the C-shaped holes [7]. The utility model has simple machining, and is convenient for the adhesion of each hole wall, causing fiber has good heat insulating ability and resilience.

Description

Spinneret for spinning porous three-dimensional crimped fiber

The utility model relates to a spinneret for spinning chemical fibers.

In the prior art, the Chinese Patent Office announced on October 13, 1993 a utility model patent named "High Hollow Three-dimensional Curly Fiber Spinneret" (Patent No. 92244356.4). Ring-shaped, also known as C-shaped, the hollow fiber made of it has only one hole in the middle, because its hollowness is as high as 25%-35%, after it is made into a quilt or pillow core, it is easy to be crushed under pressure. After a period of time, the bulkiness becomes worse, and the warmth retention property also deteriorates accordingly.

The purpose of the utility model is to provide a spinneret for spinning porous three-dimensional crimped fibers which can produce fibers with good compression resilience.

The technical scheme of the utility model is: the spinneret holes on the spinneret plate are distributed in a ring shape, the spinneret holes are composed of guide holes and spinner capillary holes, the cross-sectional shape of the spinneret capillary holes is a C-shaped hole in the center, A plurality of T-shaped holes are arranged around the C-shaped hole, the horizontal holes of each T-shaped hole are on the outside, and the vertical holes of the T-shaped holes are on the inside and point to the C-shaped hole.

Compared with the prior art, the utility model has the following advantages:

After using this technical solution, it can be made into a fiber with a hole in the center and holes around it. When the fiber-forming polymer is sprayed out from the spinneret hole, due to the tension on the surface of the polymer, the chemical fiber coming out of the C-shaped hole will be in the The opening is closed to form a closed hole, and the horizontal holes of the adjacent T-shaped holes on the outside are also connected to each other, and the inner end of the vertical hole of the T-shaped hole is also connected to the C-shaped hole, so that one fiber has multiple With isolated holes, the warmth retention and resilience of the fibers are better, and the process requirements for processing the spinneret are low, and the strength of the spinneret is also better. Compared with the I-shaped hole in the reference document, it can better ensure the adhesion of fibers in adjacent holes, so that the holes are not connected.

Below in conjunction with accompanying drawing and embodiment the utility model is further described:

Accompanying drawing 1 is the structural representation of the utility model;

Accompanying drawing 2 is the A-A direction sectional view of accompanying drawing 1 (after enlargement);

Accompanying drawing 3 is a kind of embodiment in the B-B direction sectional view of accompanying drawing 2 (after enlargement);

Accompanying drawing 4 is another kind of embodiment in the B-B direction sectional view of accompanying drawing 2 (after enlargement); Wherein:

[1]. Spinneret hole; [2]. Spinneret; [3]. Guide hole; [4]. Spinning pores; [5]. T-shaped hole horizontal hole; [6]. T-shaped hole vertical hole; [7]. C-shaped hole;

Embodiment: Referring to the accompanying drawings, the utility model is a spinneret for spinning porous three-dimensional crimped fibers. The spinneret holes [1] on the spinneret [2] are distributed in a ring shape, and the spinneret holes [1] It is composed of a guide hole [3] and a spinneret capillary hole [4]. The cross-sectional shape of the spinneret capillary hole [4] is a C-shaped hole [7] in the center, which is arranged around the C-shaped hole [7] There are a plurality of T-shaped holes, the horizontal holes of each T-shaped hole are on the outside, and the vertical holes of the T-shaped holes are on the inside and point to the C-shaped hole [7]. The relationship between the T-shaped hole and the C-shaped hole can have two embodiments (seeing accompanying drawing 3 and accompanying drawing 4), in accompanying drawing 4, the vertical hole of described T-shaped hole is the same as the C-shaped hole Partition, this structure can be made into a spinneret with more than 5 holes for each fiber. The spinneret has high mechanical strength and the process of processing the spinneret is convenient. When the liquid polymer is ejected from the spinneret hole, Depending on the surface tension of the polymer, the polymers from the horizontal holes of adjacent T-shaped holes adhere to each other, and the polymers from the vertical holes of the T-shaped holes adhere to the polymers from the C-shaped holes. The polymer coming out of the C-shaped hole sticks at the C-shaped opening, forming seven disconnected holes. In accompanying drawing 3, the vertical hole of described T-shaped hole is connected with C-shaped hole, and it can guarantee the bonding rate of the hole of fiber, and low to the processing technology requirement of fiber, but the intensity of spinneret is slightly poor, uses Life-span is slightly shorter than accompanying drawing 4.

Claims (3)

1. one kind spins porous three-dimensional stereo crimped fiber spinnerets, spinneret orifice [1] on the spinnerets [2] distributes in the form of a ring, spinneret orifice [1] is made up of guide hole [3] and spray silk pore [4], it is characterized in that: the cross sectional shape of described spray silk pore [4] is that central authorities are C shape hole [7], outside C shape hole [7] around being arranged with a plurality of T shapes hole, the cross-drilled hole in described each T shape hole is in the outside, and the vertical core in T shape hole is in the inboard and point to C shape hole [7].

2. spinning porous three-dimensional stereo crimped fiber spinnerets according to claim 1 is characterized in that: the vertical core in described T shape hole cuts off mutually with C shape hole.

3. spinning porous three-dimensional stereo crimped fiber spinnerets according to claim 1 is characterized in that: the vertical core in described T shape hole is connected with C shape hole.

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