CN114411290A - Metal card clothing for superfine fibre carding - Google Patents

Abstract

The invention relates to a metal card clothing for superfine fiber carding, which comprises a base part, wherein a plurality of card teeth are sequentially arranged on the base part; the tooth tip of the needle tooth is of an oblique tooth tip structure, and an oblique tooth tip surface is arranged at the top of the tooth tip; a first working surface is arranged on one side of the needle tooth, and the first working surface is smoothly connected with the inclined tooth tip surface; a second working surface, a step inclined edge tooth surface and an arc surface are sequentially arranged on the other side of the pin tooth, and the second working surfaces are in smooth transition connection; the arc surface of the needle tooth is connected with the second working surface of the adjacent needle tooth in a smooth transition manner, so that a complete carding area is formed, and the processes of carding, impurity removal and transfer of superfine fibers are completed. Compared with the prior art, the invention has simple structure and strong applicability, can effectively prevent the superfine fiber from depositing and winding the roller, effectively improves the carding work efficiency of the card clothing, does not need manual cleaning, and greatly reduces the labor intensity.

Description

Metal Card Clothing for Microfiber Carding

technical field

The invention relates to the technical field of textile machinery and equipment, in particular to a metal card clothing for carding superfine fibers.

Background technique

With the rapid development of the textile industry, the processing of microfibers has higher requirements and higher carding precision for carding machines. Different from conventional fibers, due to the large specific surface area of ultra-fine fibers, increased friction, and strong electrostatic effect, problems such as fiber winding and fiber entanglement are very likely to occur during the carding process. However, the structure of the existing carding machine has basically been finalized, and can only be improved by improving the carding clothing accessories to strengthen the carding effect, reduce fiber damage, and increase fiber transfer. However, the existing carding machine cylinder clothing structure is difficult to meet the ultra-fine Carding of fibers.

At present, some researchers have carried out research in this field. CN201056597Y discloses a fiber-carded metal card clothing, which is characterized in that the card clothing teeth of different thicknesses and the tooth root step surface of the corrugated surface are used, which has good impurity removal effect and fiber transfer rate, but still has complex structure and difficult processing. , the interdental fibers are easy to block and so on. CN112458575A discloses a single-tooth body multi-tooth-point cylinder card clothing, the needle tooth part is designed in the form of a combination of main tooth and auxiliary tooth part, and the tooth density of the needle tooth part is increased at the same time, which improves the carding effect on fibers and The adaptability of cylinder clothing. However, there are also weak single-tooth body strength, which leads to easy breakage of needle teeth, and multi-tooth tips to easily damage fibers, resulting in more short piles, neps and other problems in the carding process, which greatly reduces the working efficiency of the carding machine and seriously affects carding. product quality.

Therefore, there is an urgent need to design a metal card clothing for microfiber carding.

SUMMARY OF THE INVENTION

The purpose of the present invention is to provide a metal card clothing for ultrafine fibers with a reasonable structure design, which can effectively reduce fiber winding rolls, fiber neps, and strengthen carding in order to overcome the defects of the above-mentioned prior art.

The object of the present invention can be realized through the following technical solutions:

The purpose of this technical solution is to protect a metal card clothing for carding superfine fibers, which includes a base on which a plurality of needle teeth are arranged in sequence;

The tooth tip of the needle tooth is an oblique tooth tip structure, and the top of the tooth tip is provided with an oblique tooth tip surface;

One side of the needle tooth is provided with a first working surface, and the first working surface and the oblique tooth tip surface are smoothly connected;

The other side of the needle teeth is sequentially provided with a second working surface, a stepped oblique edge tooth surface, and a circular arc surface, and the second working surfaces are connected by a smooth transition;

The arc surface of the needle teeth is smoothly connected with the second working surface of the adjacent needle teeth, so as to form a complete carding area and complete the process of carding, removing impurities and transferring superfine fibers.

Specifically, the needle teeth are fixedly connected to the base, the needle teeth tips are oblique tooth tips, the needle teeth tooth backs are stepped oblique ridge teeth, and the ridge teeth are equally spaced; the needle teeth are connected by circular arc surfaces, forming a The complete carding area completes the carding, impurity removal and transfer of ultra-fine fibers; the overall base is made of alloy steel, and the surface of the needle teeth is coated to improve the wear resistance of the metal card clothing.

Further, the needle teeth are arranged in an equidistant array on the base.

Further, the distance d between the needle teeth is 0.3-1.3 mm.

Further, the angle of the oblique tooth tips of the needle teeth is 30-45°.

Further, the stepped oblique edge teeth are provided with stepped oblique edge teeth, the included angle of adjacent edge teeth in the stepped oblique edge teeth is 25° to 60°, and the adjacent edge teeth are equally spaced, and the adjacent edge teeth are equally spaced. The spacing of the teeth is 0.3 to 1.3 mm, and the protruding length of the stepped oblique ridge teeth is 0.5 to 1.2 mm.

Further, the cross-sectional radius of the circular arc surface is 0.8-1.8 mm.

Further, the working angle α of the needle teeth is 15-45°, and the tooth pitch d is 0.6-1.6 mm.

Further, the base of the card clothing is made of alloy steel, and is prepared by an oxidation quenching and annealing process.

Further, the surfaces of the needle teeth are treated with a tungsten carbide alloy coating, so as to improve the wear resistance of the card clothing.

Further, the diameter of the ultrafine fibers to which the metal card clothing is adapted is 1-80 μm, and the length is 35-50 mm.

Compared with the prior art, the present invention has the following technical advantages:

1) In this technical scheme, the needle tooth tip is designed to be a combination of oblique tooth tip and needle tooth tooth back as a combination of equidistant stepped oblique edge teeth, which increases the contact area between the needle tooth and the fiber, strengthens the The friction effect between the needle teeth and the fibers is effectively strengthened, and the carding effect of the needle teeth on the fibers is effectively strengthened.

2) In this technical solution, the arc surface transition connection is adopted at the same time to form a complete carding area to complete the carding, impurity removal and transfer of ultra-fine fibers, prevent the deposition of ultra-fine fibers around the roller, and effectively improve the carding efficiency of the card clothing. No manual cleaning is required, greatly reducing labor intensity.

Description of drawings

FIG. 1 is a schematic diagram of a cross-sectional deconstruction of the metal clothing for ultra-fine fibers in the present invention.

In the figure: 1. Needle teeth; 2. The first working surface; 3. The oblique tooth tip surface; 4. The second working surface;

Detailed ways

In the metal card clothing for carding superfine fibers in this technical solution, a plurality of needle teeth 1 are arranged in sequence on the base 7; A first working surface 2 is provided on one side of the needle tooth 1, and the first working surface 2 and the oblique tooth tip surface 3 are smoothly connected; the other side of the needle tooth 1 is arranged in turn There are a second working surface 4, a stepped oblique edge tooth surface 5, and a circular arc surface 6, and the second working surface 4 is smoothly connected by transition; Smooth transition connection to form a complete carding area to complete the process of carding, removing impurities and transferring microfibers.

The needle teeth are fixedly connected to the base, the needle teeth are oblique-shaped tooth tips, the needle teeth tooth backs are stepped oblique-shaped ridge teeth, and the ridge teeth are equally spaced; the needle teeth are connected by an arc surface to form a complete carding area, to complete the carding, impurity removal and transfer of ultra-fine fibers; the overall base is made of alloy steel, and the surface of the needle teeth is coated to improve the wear resistance of the metal card clothing.

The needle teeth 1 are arranged in an equidistant array on the base 7 . The spacing d between the needle teeth 1 is 0.3-1.3 mm. The angle of the oblique tooth tip of the needle tooth 1 is 30-45°. The angle of the oblique tooth tip in this technical solution specifically refers to the angle between the oblique tooth tip surface 3 and the horizontal plane. The stepped oblique edge tooth surface 5 is provided with stepped oblique edge teeth, the angle between adjacent edge teeth in the stepped oblique edge teeth is 25-60°, and the adjacent edge teeth are equally spaced, and the spacing between adjacent edge teeth is 0.3 to 1.3 mm, and the protruding length of the stepped oblique ridge teeth is 0.5 to 1.2 mm. The radius of the cross section of the arc surface 6 is 0.8 to 1.8 mm. The working angle α of the needle teeth is 15 to 45°, and the tooth pitch d is 0.6 to 1.6 mm. The card clothing base 7 is made of alloy steel, and is prepared by an oxidation quenching and annealing process. The surface of the needle teeth 1 is treated with a tungsten carbide alloy coating to improve the wear resistance of the card clothing. The diameter of the microfiber suitable for the metal card clothing is 1-80 μm, and the length is 35-50 mm.

The present invention will be described in detail below with reference to the accompanying drawings and specific embodiments. In the description of the patent of the present invention, it should be understood that, based on the positional relationship or orientation shown in the drawings, it is only for the convenience of describing the patent of the present invention and simplifying the description, rather than indicating or implying that the shown device or element must have a specific Orientation, configuration or operation in a particular orientation, and therefore should not be construed as a limitation on the present invention.

In this technical solution, features such as preparation means, materials, structures or composition ratios that are not explicitly described are regarded as common technical features disclosed in the prior art.

Example 1

In this embodiment, a plurality of needle teeth 1 are protruded along the belt-shaped base, and the outer surface of each needle tooth 1 can be divided into a first working surface 2, an oblique tooth tip surface 3, a second working surface 4, and a stepped oblique surface. The edge tooth surface 5 and the arc surface 6, the first working surface 2 and the oblique tooth tip surface 3 are connected by a smooth transition surface, the angle of the oblique tooth surface 3 is 30°, and the stepped oblique edge tooth surface 5 is Arranged at equal intervals, the angle is 25°, the spacing is 0.3mm, the protruding length is 0.5mm, the cross section of the arc surface 6 is a semicircular arc, the The distance d is 0.6mm, the fiber diameter is 1μm, and the length is 35mm. The base 7 is made of high-strength alloy steel material, which adopts the oxidation quenching and annealing process. The surface of pin tooth 1 is treated with tungsten carbide alloy coating to improve the wear resistance of the card clothing. .

Example 2

A plurality of needle teeth 1 are protruded along the strip-shaped base, and the outer surface of each needle tooth 1 can be divided into a first working surface 2, an oblique tooth tip surface 3, a second working surface 4, and a stepped oblique edge. The tooth surface 5 and the arc surface 6, the first working surface 2 and the oblique tooth tip surface 3 are connected by a smooth transition surface, the angle of the oblique sharp tooth surface 3 is 32°, and the stepped oblique edge tooth surface 5 is equal to The pitch is arranged, the angle is 30°, the pitch is 0.5mm, and the protruding length is 0.7mm. d is 0.8mm, the fiber diameter is 25μm, and the length is 40mm. The base part 7 is made of high-strength alloy steel material, and the oxidation quenching annealing process is adopted. The surface of the needle tooth 1 is treated with tungsten carbide alloy coating to improve the wear resistance of the card clothing.

Example 3

A plurality of needle teeth 1 are protruded along the strip-shaped base, and the outer surface of each needle tooth 1 can be divided into a first working surface 2, an oblique tooth tip surface 3, a second working surface 4, and a stepped oblique edge. The tooth surface 5 and the arc surface 6, the first working surface 2 and the oblique tooth tip surface 3 are connected by a curved surface with a smooth transition, the angle of the oblique sharp tooth surface 3 is 35°, and the stepped oblique edge tooth surface 5 is equal to The pitch is arranged, the angle is 35°, the pitch is 0.7mm, and the protruding length is 0.9mm. d is 1.2mm, the fiber diameter is 40μm, and the length is 48mm. The base part 7 is made of high-strength alloy steel material. The oxidation quenching and annealing process is adopted. The surface of the needle tooth 1 is treated with tungsten carbide alloy coating to improve the wear resistance of the card clothing.

Example 4

A plurality of needle teeth 1 are protruded along the strip-shaped base, and the outer surface of each needle tooth 1 can be divided into a first working surface 2, an oblique tooth tip surface 3, a second working surface 4, and a stepped oblique edge. The tooth surface 5 and the arc surface 6, the first working surface 2 and the oblique tooth tip surface 3 are connected by a curved surface with a smooth transition, the angle of the oblique sharp tooth surface 3 is 40°, and the stepped oblique edge tooth surface 5 is equal to The pitch is arranged, the angle is 40°, the pitch is 1.1mm, and the protruding length is 1.1mm. d is 1.4mm, the fiber diameter is 60μm, and the length is 49mm. The base part 7 is made of high-strength alloy steel material. The oxidation quenching and annealing process is adopted. The surface of pin tooth 1 is treated with tungsten carbide alloy coating to improve the wear resistance of the card clothing.

Example 5

A plurality of needle teeth 1 are protruded along the strip-shaped base, and the outer surface of each needle tooth 1 can be divided into a first working surface 2, an oblique tooth tip surface 3, a second working surface 4, and a stepped oblique edge. The tooth surface 5 and the arc surface 6, the first working surface 2 and the oblique tooth tip surface 3 are connected by a curved surface with a smooth transition, the angle of the oblique sharp tooth surface 3 is 45°, and the stepped oblique edge tooth surface 5 is equal to The pitch is arranged, the angle is 60°, the pitch is 1.3mm, and the protruding length is 1.2mm. d is 1.6mm, the fiber diameter is 80μm, and the length is 50mm. The base 7 is made of high-strength alloy steel material, which adopts an oxidation quenching and annealing process. The surface of pin tooth 1 is treated with tungsten carbide alloy coating to improve the wear resistance of the card clothing.

To sum up, it can be seen from the above that the tooth tips of the needle teeth in this technical solution are oblique-shaped tooth tips, which strengthens the combing of ultra-fine fibers and reduces fiber damage. The contact area between the teeth and the fibers increases the friction between the teeth and the fibers. The needle teeth are connected by a circular arc surface, forming a complete carding area to complete the carding, impurity removal and transfer of ultra-fine fibers. The base is made of high-strength alloy steel material, which adopts the oxidation quenching and annealing process, and the surface of the pin teeth is coated to improve the wear resistance of the pin teeth. At the same time, the invention has simple structure and strong applicability, can effectively prevent the superfine fibers from depositing around the roller, effectively improve the card clothing carding efficiency, does not need manual cleaning, and greatly reduces labor intensity.

The foregoing description of the embodiments is provided to facilitate understanding and use of the invention by those of ordinary skill in the art. It will be apparent to those skilled in the art that various modifications to these embodiments can be readily made, and the generic principles described herein can be applied to other embodiments without inventive step. Therefore, the present invention is not limited to the above-mentioned embodiments, and improvements and modifications made by those skilled in the art according to the disclosure of the present invention without departing from the scope of the present invention should all fall within the protection scope of the present invention.

Claims (10)

1. A superfine fiber carding metal card clothing is characterized by comprising a base part (7), wherein a plurality of needle teeth (1) are sequentially arranged on the base part (7);

the tooth tip of the needle tooth (1) is of an oblique tooth tip structure, and an oblique tooth tip surface (3) is arranged at the top of the tooth tip;

a first working surface (2) is arranged on one side of the needle tooth (1), and the first working surface (2) is smoothly connected with the inclined tooth tip surface (3);

a second working surface (4), a step inclined edge tooth surface (5) and an arc surface (6) are sequentially arranged on the other side of the pin gear (1), and the second working surfaces (4) are in smooth transition connection;

the arc surface (6) of the needle tooth (1) is in smooth transition connection with the second working surface (4) of the adjacent needle tooth (1) so as to form a complete carding area and complete the carding, impurity removal and transfer processes of superfine fibers.

2. Metallic card clothing for carding of microfine fibres according to claim 1, characterised in that the teeth (1) are arranged in an equally spaced array on the base (7).

3. The metallic card clothing for ultrafine fiber carding as claimed in claim 2, wherein the pitch d between the teeth (1) is 0.3 to 1.3 mm.

4. The metallic card clothing for ultrafine fiber carding as claimed in claim 1, wherein the angle of the oblique tip of the teeth (1) is 30 to 45 °.

5. The metallic card clothing for carding superfine fibers according to claim 1, wherein the stepped oblique ridge tooth surface (5) is provided with stepped oblique ridge teeth, the included angle of adjacent ridge teeth in the stepped oblique ridge teeth is 25-60 °, the adjacent ridge teeth are equidistant, the distance between the adjacent ridge teeth is 0.3-1.3 mm, and the protruding length of the stepped oblique ridge teeth is 0.5-1.2 mm.

6. The metallic card clothing for ultrafine fiber carding as claimed in claim 1, wherein the radius of the cross section of the circular arc surface (6) is 0.8 to 1.8 mm.

7. The metallic card clothing for ultrafine fiber carding of claim 1, wherein the working angle α of the teeth is 15 to 45 °, and the pitch d is 0.6 to 1.6 mm.

8. Metallic card clothing for carding of superfine fibres according to claim 1, characterised in that the card clothing base (7) is of alloy steel material and is made by oxidation quenching annealing process.

9. Metallic card wire for microfiber carding according to claim 1, wherein the surface of said teeth (1) is treated with a tungsten carbide alloy coating to improve the wear resistance of the card wire.

10. A metallic card clothing for carding of ultrafine fibers according to claim 1, wherein the ultrafine fibers adapted to the metallic card clothing have a diameter of 1 to 80 μm and a length of 35 to 50 mm.

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