阅读说明：本技术 可生产立体花纹纸的成型网、造纸用抄纸滤筛及造纸机 (Forming net capable of producing three-dimensional patterned paper, papermaking filter screen and papermaking machine ) 是由 武钟淇 于 2021-03-19 设计创作，主要内容包括：本发明公开了一种可生产立体花纹纸的成型网,包括：多根纬线,每根纬线为平直的,多根纬线从后向前依次布置形成纬线平面,相邻纬线之间设置有前后方向的纬线间隙,纬线间隙的距离相等；多根径线,多根经线从左至右依次布置,每根径线从纬线平面的第一侧穿至第二侧,再穿回第一侧,每根经线至少有一处同时跨越至少两根连续的纬线；相邻经线之间设置有左右方向的经线间隙,经线间隙的距离相等；处于纬线平面上方的经线形成凸起状的目标图案。本发明还公开了一种抄纸滤筛和造纸机。本发明利用此成型网生产的生活用纸原纸具有以下优点：1、纸张的松厚度提高30％以上；2、纸张的柔软度也得到同等程度的提高；3、带有网部特有的图案,市场识辨率高。(The invention discloses a forming net capable of producing three-dimensional patterned paper, which comprises: the weft yarns are straight, the weft yarns are sequentially arranged from back to front to form a weft yarn plane, weft yarn gaps in the front-back direction are formed between every two adjacent weft yarns, and the distances of the weft yarn gaps are equal; a plurality of warp threads, wherein the warp threads are sequentially arranged from left to right, each warp thread penetrates from the first side to the second side of the weft thread plane and then penetrates back to the first side, and at least one warp thread simultaneously spans at least two continuous weft threads; warp gaps in the left and right directions are formed between every two adjacent warps, and the distances of the warp gaps are equal; the warp threads lying above the weft thread plane form a convex target pattern. The invention also discloses a papermaking filter screen and a papermaking machine. The base paper for the household paper produced by the forming net has the following advantages: 1. the bulk of the paper is improved by more than 30 percent; 2. the softness of the paper is improved to the same extent; 3. has the special pattern of the net part and has high market recognition.)

1. A forming net capable of producing three-dimensional pattern paper is characterized by comprising:

the weft yarn comprises a plurality of weft yarns, wherein each weft yarn is straight, the plurality of weft yarns are sequentially arranged from back to front to form a weft yarn plane, weft yarn gaps (1) in the front-back direction are formed between every two adjacent weft yarns, and the distances of the weft yarn gaps (1) are equal;

a plurality of warp threads, wherein the warp threads are sequentially arranged from left to right, each warp thread penetrates from the first side to the second side of the weft thread plane and then penetrates back to the first side, and at least one warp thread simultaneously spans at least two continuous weft threads; warp gaps (2) in the left and right directions are arranged between every two adjacent warps, and the distances of the warp gaps (2) are equal; the warp threads lying above the weft thread plane form a convex target pattern.

2. A forming wire capable of producing a three-dimensional pattern paper according to claim 1, characterised in that the target pattern is a sun pattern, a moon pattern, a flower pattern, a tree pattern or a grass pattern.

3. A forming wire capable of producing a three-dimensional pattern paper according to claim 1, wherein the target pattern is a letter pattern, a number pattern or a geometric pattern.

4. A forming net capable of producing three-dimensional pattern paper according to claim 1, characterized in that seven wefts form a seven-weft group, which comprises a first weft (3), a second weft (4), a third weft (5), a fourth weft (6), a fifth weft (7), a sixth weft (8) and a seventh weft (9) arranged from back to front; the three warps form a three-line warp group, and the three-line warp group comprises a first warp (10), a second warp (11) and a third warp (12) which are arranged from left to right;

the first warp (10) penetrates out upwards from a weft gap (1) between the third weft (5) and the fourth weft (6), spans the fourth weft (6), and penetrates out downwards from a weft gap (1) between the fifth weft (7) and the sixth weft (8);

the second warp (11) penetrates out upwards from a weft gap (1) between the second weft (4) and the third weft (5), spans over the third weft (5), the fourth weft (6) and the fifth weft (7), and penetrates out downwards from a weft gap (1) between the fifth weft (7) and the sixth weft (8);

the third warp (12) penetrates upwards from the weft gap (1) between the first weft (3) and the second weft (4), crosses over the second weft (4), the third weft (5), the fourth weft (6), the fifth weft (7) and the sixth weft (8), and penetrates downwards from the weft gap (1) between the sixth weft (8) and the seventh weft (9);

the three-thread warp groups and the seven-thread weft groups constitute a triangular-shaped target pattern.

5. A forming net capable of producing three-dimensional pattern paper according to claim 1, wherein the diameter of the warp is 0.1-0.3mm, and the diameter of the weft is 0.1-0.3 mm; the warp gaps (2) are 0.1-0.3mm, and the weft gaps are 0.1-0.3 mm.

6. A forming net capable of producing three-dimensional pattern paper according to claim 5, wherein the diameter of the warp is 0.15 mm; the diameter of the weft is 0.15 mm; the warp gaps (2) are 0.18mm, and the weft gaps (1) are 0.23 mm.

7. A forming net capable of producing three-dimensional pattern paper according to claim 1, wherein the warp and weft are made of 316 stainless steel.

8. A papermaking filter screen for papermaking, which is characterized by comprising a screen frame, wherein the screen frame is in a shape of a cuboid without a top and a bottom, and the bottom of the screen frame is provided with a forming net according to any one of claims 1 to 7.

9. A paper machine, characterized in that it comprises a cylinder mould comprising a cylindrical cage (13), the outer circumference of which cage (13) is provided with a forming wire according to any one of claims 1 to 7.

Technical Field

The invention relates to the field of papermaking equipment, in particular to a forming net capable of producing three-dimensional patterned paper, a papermaking filter screen for papermaking and a papermaking machine.

Background

In the prior paper making technology, embossing on a paper product is mostly formed by double-roller extrusion, a planar paper product is manufactured and produced firstly, and then the paper product is extruded and stretched by a compression roller or double rollers. In addition, the bulk of the paper produced by the prior art (the bulk of the paper is another index representing the density degree of the paper, which means the volume of the paper with a certain weight and is the reciprocal of the tightness in terms of value) is low, so that the cost of the paper product is high and the use experience is poor.

Therefore, how to solve the three-dimensional patterns of the paper products and increase the bulk of the paper is a technical problem which needs to be solved by the technical personnel in the field at present.

Disclosure of Invention

In order to solve the technical problems, the invention mainly aims to provide a forming net capable of producing three-dimensional patterned paper, which can directly produce paper products with three-dimensional patterns.

In order to achieve the above object, the present invention adopts the following technical solutions.

A forming net capable of producing three-dimensional pattern paper comprises: the weft yarns are straight, the weft yarns are sequentially arranged from back to front to form a weft yarn plane, weft yarn gaps in the front-back direction are formed between every two adjacent weft yarns, and the distances of the weft yarn gaps are equal; a plurality of warp threads, wherein the warp threads are sequentially arranged from left to right, each warp thread penetrates from the first side to the second side of the weft thread plane and then penetrates back to the first side, and at least one warp thread simultaneously spans at least two continuous weft threads; warp gaps in the left and right directions are formed between every two adjacent warps, and the distances of the warp gaps are equal; the warp threads lying above the weft thread plane form a convex target pattern.

Further, the target pattern is a sun pattern, a moon pattern, a flower pattern, a tree pattern, or a grass pattern.

Further, the target pattern is a character pattern, a number pattern or a geometric pattern.

Further, the seven wefts form a seven-weft group, and the seven-weft group comprises a first weft, a second weft, a third weft, a fourth weft, a fifth weft, a sixth weft and a seventh weft which are arranged from back to front; the three warps form a three-line warp group, and the three-line warp group comprises a first warp, a second warp and a third warp which are arranged from left to right; the first warp threads penetrate out upwards from the weft thread gap between the third weft thread and the fourth weft thread, cross over the fourth weft thread and penetrate out downwards from the weft thread gap between the fifth weft thread and the sixth weft thread; the second warp threads penetrate out upwards from the weft thread gaps between the second weft threads and the third weft threads, span the third weft threads, the fourth weft threads and the fifth weft threads and penetrate out downwards from the weft thread gaps between the fourth weft threads and the fifth weft threads; the third warp threads penetrate upwards from the weft thread gaps between the first weft threads and the second weft threads, span the second weft threads, the third weft threads, the fourth weft threads, the fifth weft threads and the sixth weft threads and penetrate downwards from the weft thread gaps between the sixth weft threads and the seventh weft threads; the three-thread warp groups and the seven-thread weft groups constitute a triangular-shaped target pattern.

Furthermore, the diameter of the warp is 0.1-0.3mm, and the diameter of the weft is 0.1-0.3 mm; the warp gaps are 0.1-0.3mm, and the weft gaps are 0.1-0.3 mm.

Preferably, the diameter of the warp is 0.15 mm; the diameter of the weft is 0.15 mm; the warp gaps 2 are 0.18mm and the weft gaps 1 are 0.23 mm.

Furthermore, the material of the warp and the weft is 316 stainless steel.

The papermaking filter screen for papermaking comprises a screen frame, wherein the screen frame is in a cuboid shape without a top and a bottom, and the bottom of the screen frame is provided with a forming net as above.

And (III) the papermaking machine comprises a cylinder mould which comprises a cylindrical cage frame, and the outer peripheral surface of the cage frame 13 is provided with the forming net.

Compared with the raw paper of the household paper produced by the flat-woven stainless steel mesh at the present stage, the raw paper of the household paper produced by the forming mesh has the following advantages: 1. the bulk of the paper is improved by more than 30 percent; 2. the softness of the paper is improved to the same extent, and the paper is softer; 3. has the special pattern of the net part and has high market recognition. 4. High bulk, softness, high market recognition, easier product sale and higher added value.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the structures shown in the drawings without creative efforts.

FIG. 1 is a schematic perspective view of one embodiment of a forming wire for producing three-dimensional patterned paper according to the present invention;

FIG. 2 is a schematic view of a cylinder mould with a forming wire mounted on its outer circumference;

in the above figures:

1 weft gaps; 2, warp gaps; 3 first weft threads; 4 second weft threads; 5 a third weft; 6 fourth wefts; 7 the fifth weft; 8 sixth weft; 9 a seventh weft; 10 a first warp thread; 11 second warp threads; 12 third warp threads; 13 cage frame.

Detailed Description

In order to make the aforementioned objects, features and advantages of the present invention comprehensible, embodiments accompanied with figures are described in detail below.

In the following description, specific details are set forth in order to provide a thorough understanding of the present invention. The invention can be implemented in a number of ways different from those described herein and similar generalizations can be made by those skilled in the art without departing from the spirit of the invention. Therefore, the present invention is not limited to the specific embodiments disclosed below.

In the prior paper making technology, embossing on a paper product is mostly formed by double-roller extrusion, a planar paper product is manufactured and produced firstly, and then the paper product is extruded and stretched by a compression roller or double rollers. The invention provides a forming net capable of producing three-dimensional patterned paper, which can directly produce the three-dimensional patterned paper without secondary rolling and stretching and damaging paper products.

In a first aspect, the present invention provides a forming net capable of producing three-dimensional pattern paper, and referring to fig. 1, the forming net comprises: the weft yarn comprises a plurality of weft yarns, wherein each weft yarn is straight, the plurality of weft yarns are sequentially arranged from back to front to form a weft yarn plane, weft yarn gaps 1 in the front-back direction are formed between every two adjacent weft yarns, and the distances of the weft yarn gaps 1 are equal; a plurality of warp threads, wherein the warp threads are sequentially arranged from left to right, each warp thread penetrates from the first side to the second side of the weft thread plane and then penetrates back to the first side, and at least one warp thread simultaneously spans at least two continuous weft threads; warp gaps 2 in the left and right directions are arranged between adjacent warps, and the distances of the warp gaps 2 are equal; the warp threads lying above the weft thread plane form a convex target pattern.

Wherein the target pattern is a sun pattern, a moon pattern, a flower pattern, a tree pattern or a grass pattern. The target pattern may also be a text pattern, a numerical pattern, or a geometric pattern.

The following is an embodiment of the present invention, seven wefts form a seven-weft group including a first weft 3, a second weft 4, a third weft 5, a fourth weft 6, a fifth weft 7, a sixth weft 8 and a seventh weft 9 arranged from back to front; the three warps form a three-line warp group, and the three-line warp group comprises a first warp 10, a second warp 11 and a third warp 12 which are arranged from left to right; the first warp thread 10 passes through the weft gaps 1 between the third weft thread 5 and the fourth weft thread 6 upwards, crosses the fourth weft thread 6, and passes through the weft gaps 1 between the fifth weft thread 7 and the sixth weft thread 8 downwards; the second warp 11 passes through the weft gap 1 between the second weft 4 and the third weft 5 upwards, crosses the third weft 5, the fourth weft 6 and the fifth weft 7, and passes through the weft gap 1 between the fifth weft 7 and the sixth weft 8 downwards; the third warp 12 passes through the weft gap 1 between the first weft 3 and the second weft 4 upwards, crosses over the second weft 4, the third weft 5, the fourth weft 6, the fifth weft 7 and the sixth weft 8, and passes through the weft gap 1 between the sixth weft 8 and the seventh weft 9 downwards; in the present embodiment, the three-thread warp group and the seven-thread weft group constitute a triangular target pattern. In practice, the design can be made according to the desired pattern, and the desired pattern is formed when the warp and weft are woven.

Furthermore, the diameter of the warp is 0.1-0.3mm, and the diameter of the weft is 0.1-0.3 mm; the warp gaps 2 are 0.1-0.3mm, and the weft gaps 1 are 0.1-0.3 mm. Preferably, the diameter of the warp is 0.15 mm; the diameter of the weft is 0.15 mm; the warp gaps 2 are 0.18mm, and the weft gaps 1 are 0.23 mm.

Furthermore, the warp and the weft are made of stainless steel.

In a second aspect, the invention provides a papermaking filter screen for papermaking, which comprises a screen frame, wherein the screen frame is in a cuboid shape without a top and a bottom, and the bottom of the screen frame is provided with the forming net capable of producing the three-dimensional pattern paper.

In a third aspect, the present invention provides a paper making machine, referring to fig. 2, comprising a cylinder mould, wherein the cylinder mould comprises a cylindrical cage 13, and the outer circumferential surface of the cage 13 is provided with a forming net capable of producing three-dimensional pattern paper.

And (3) papermaking process: the forming net capable of producing the three-dimensional pattern paper is arranged on a net cage of a forming part of a paper machine, when slurry with certain concentration passes through the paper machine, the slurry can be uniformly distributed on the surface of the net cage rotating at high speed, and in the dewatering process, filtrate enters the inside of the net cage, and fibers can be intercepted on the forming net to form wet paper sheets. Because the forming net has a three-dimensional structure and special patterns, each part of the forming net has different dehydration performance, when slurry is dehydrated, the formed wet paper page has the three-dimensional structure, and the patterns of the forming net can be rubbed on the wet paper page. The wet paper is dried and wrinkled to produce the raw paper of the household paper with stronger stereoscopic feeling and net part patterns.

Compared with the raw paper of the household paper produced by the plain weave stainless steel mesh at the present stage, the raw paper of the household paper produced by the forming mesh has the following advantages: 1. the bulk of the paper is improved by more than 30 percent; 2. the softness of the paper is improved to the same extent, and the paper is softer; 3. has the special pattern of the net part and has high market recognition. 4. High bulk, softness, high market recognition, easier product sale and higher added value.

Although the present invention has been described in detail in this specification with reference to specific embodiments and illustrative embodiments, it will be apparent to those skilled in the art that modifications and improvements can be made thereto based on the present invention. Accordingly, such modifications and improvements are intended to be within the scope of this invention as claimed.