阅读说明：本技术 易折叠伞布的制备工艺 (Preparation process of easy-to-fold umbrella cloth ) 是由 黄寄清 李涛 黄寄军 欧建 于 2021-08-20 设计创作，主要内容包括：本发明提供了一种易折叠伞布的制备工艺,属于面料技术领域。它解决了现有技术存在着稳定性差的问题。本易折叠伞布的制备工艺,该工艺包括以下步骤：A、准备：选用30D/24F涤纶加弹网络丝作为经纱,选用30D涤纶单丝或者30D/48涤纶加弹网络丝作为纬纱；B、织造：按照经向密度860根/10cm、纬向密度600根/10cm、选用织布机进行平纹织造,得到伞布毛坯；C、预缩：通过预缩机对伞布毛坯进行预缩处理,制得预缩后的半成品伞布,然后使预缩后的半成品伞布进入溢流染色机中并依次进行精炼除油、水洗和预缩膨化；D、热定型；E、负载折痕。本易折叠伞布的制备工艺稳定性高。(The invention provides a preparation process of an easily-folded umbrella fabric, and belongs to the technical field of fabrics. It has solved prior art and has had the poor problem of stability. The preparation process of the easy-folding umbrella cloth comprises the following steps: A. preparing: selecting 30D/24F polyester textured yarns as warp yarns, and selecting 30D polyester monofilaments or 30D/48 polyester textured yarns as weft yarns; B. weaving: plain weaving by using a loom according to the warp density of 860 pieces/10 cm and the weft density of 600 pieces/10 cm to obtain an umbrella cloth blank; C. pre-shrinking: pre-shrinking the umbrella cloth blank by a pre-shrinking machine to prepare pre-shrunk semi-finished umbrella cloth, then putting the pre-shrunk semi-finished umbrella cloth into an overflow dyeing machine, and sequentially carrying out refining oil removal, water washing and pre-shrinking expansion; D. heat setting; E. the fold is loaded. The preparation process of the easily-folded umbrella cloth is high in stability.)

1. A preparation process of easy-folding umbrella cloth comprises the following steps:

A. preparing: selecting 30D/24F polyester textured yarns as warp yarns, and selecting 30D polyester monofilaments or 30D/48 polyester textured yarns as weft yarns;

B. weaving: plain weaving by using a loom according to the warp density of 860 pieces/10 cm and the weft density of 600 pieces/10 cm to obtain an umbrella cloth blank;

C. pre-shrinking: pre-shrinking the umbrella cloth blank by a pre-shrinking machine to prepare pre-shrunk semi-finished umbrella cloth, then putting the pre-shrunk semi-finished umbrella cloth into an overflow dyeing machine, and sequentially carrying out refining oil removal, water washing and pre-shrinking expansion;

D. heat setting: padding the preshrinked semi-finished umbrella cloth with shaping assistant at 140-150 deg.C^OC, carrying out heat setting treatment at the temperature to obtain a finished umbrella fabric;

E. loading creases: and (4) feeding the umbrella cloth into the load crease device, and folding the umbrella cloth to form corresponding creases through the load crease device.

2. The process for preparing an easy-to-fold umbrella cloth according to claim 1, wherein the easy-to-fold umbrella cloth has a reed number of 230/10cm, a penetration number of 3 penetrations, and a heald frame of 6 pieces.

3. The utility model provides an easy folding umbrella cloth's load crease device, its characterized in that, the device include die body and last die body down, and above-mentioned die body is including being discoid chassis down, chassis center department has and is pipy connecting pipe, connecting pipe lateral part circumference equipartition has a plurality of crease pieces, and above-mentioned connecting pipe and crease piece form the crease portion that is used for folding umbrella cloth on chassis upper portion, and the inside cavity lower extreme opening that is down of cavity of going up of die body is gone up the die body inner chamber and is the shaping chamber that matches with crease portion, and die body upper portion still has the mouth-piece that is used for being connected with the steam source on the aforesaid, the mouth-piece communicates with the shaping chamber.

4. The apparatus as claimed in claim 3, wherein the upper mold has a protruding support plate at the middle portion thereof, and further comprising a plurality of disk-shaped weight plates having a through hole at the center thereof and sleeved on the mouthpiece, the lower ends of the weight plates abutting against the support plate.

5. The apparatus as claimed in claim 4, wherein the inner side of the folding sheet is fixed to the connecting tube, the lower end of the folding sheet is fixed to the bottom plate, and the outer side of the folding sheet extends from the outer side of the connecting tube to the edge of the bottom plate.

6. The apparatus of claim 5, wherein the connecting tube has a lateral vent notch therethrough. .

7. The easy-to-fold umbrella cloth load-bearing creasing device of claim 6, wherein the upper end of the connecting tube extends above the creasing blade.

8. The apparatus as claimed in claim 7, wherein the upper mold is fastened to the lower mold, the folding portion is embedded in the forming cavity, and the lower end of the upper mold abuts against the bottom plate of the lower mold.

9. The apparatus as claimed in claim 8, wherein the upper mold has a plurality of protrusions at the lower end, the protrusions being adapted to abut against the bottom plate of the lower mold after the upper mold is engaged with the lower mold.

10. The apparatus as claimed in claim 9, wherein the raised head is hemispherical and a plurality of raised heads are circumferentially and uniformly distributed at the lower end of the upper mold body.

Technical Field

The invention belongs to the technical field of fabrics, and relates to a preparation process of an easily-folded umbrella fabric.

Background

A surface fabric for on the umbrella, the surface fabric needs to be folded when the umbrella is accomodate.

The existing umbrella fabric is too hard or too soft, when the umbrella fabric is too hard, the fabric is not easy to fold, and the contained umbrella fabric has a protruding part, so that the structure is not compact.

When the umbrella fabric is too soft, the umbrella fabric can not be folded at the set folding position, and the problem of not compact storage is also caused.

That is to say, the umbrella surface fabric can cause the umbrella surface fabric to accomodate folding unstablely too hard and soft, and fold the degree of difficulty than higher.

Its publication number CN111329199A of chinese patent provides a novel umbrella cloth, relates to the weaving field, concretely relates to novel folding umbrella cloth. The fragrance-storing capsule comprises a base layer, a first adhesion layer, fragrance-storing capsules, a pattern layer, a second adhesion layer and a protective layer, wherein the base layer is connected with the pattern layer through the first adhesion layer, the fragrance-storing capsules are uniformly distributed in the base layer, and the pattern layer is connected with the protective layer through the second adhesion layer.

Above-mentioned patent will be waterproof and the effectual combination of ultraviolet protection be in the same place, can also spin-dry water from the cloth fast when waterproof, and the faint scent of peppermint has in addition brought certain cooling effect for the user when sun-proof, has reduced user's use cost, has improved and has used experience. However, the problem of how to make the umbrella cloth more easily fold and store is still not solved.

Disclosure of Invention

The first purpose of the present invention is to solve the above problems of the prior art, and to provide a process for manufacturing an easily foldable umbrella cloth, which enables the umbrella cloth to be easily folded and folded flat when the umbrella is stored.

A second object of the invention is to provide a load-bearing creasing device for use in the above-described manufacturing process.

The first object of the present invention can be achieved by the following technical solutions:

a preparation process of easy-folding umbrella cloth comprises the following steps:

A. preparing: selecting 30D/24F polyester textured yarns as warp yarns, and selecting 30D polyester monofilaments or 30D/48 polyester textured yarns as weft yarns;

B. weaving: plain weaving by using a loom according to the warp density of 860 pieces/10 cm and the weft density of 600 pieces/10 cm to obtain an umbrella cloth blank;

C. pre-shrinking: pre-shrinking the umbrella cloth blank by a pre-shrinking machine to prepare pre-shrunk semi-finished umbrella cloth, then putting the pre-shrunk semi-finished umbrella cloth into an overflow dyeing machine, and sequentially carrying out refining oil removal, water washing and pre-shrinking expansion;

D. heat setting: padding the preshrinked semi-finished umbrella cloth with shaping assistant at 140-150 deg.C^OC, carrying out heat setting treatment at the temperature to obtain a finished umbrella fabric;

E. loading creases: and (4) feeding the umbrella cloth into the load crease device, and folding the umbrella cloth to form corresponding creases through the load crease device.

In the preparation process of the easy-folding umbrella cloth, the reed number of the easy-folding umbrella cloth is 230/10cm, the penetration number is 3, and the heald frame is 6.

As the warp yarns are 30D/24F polyester textured yarns, and the weft yarns are 30D polyester monofilaments or 30D/48 polyester textured yarns. The hardness of the umbrella cloth blank material obtained by plain weaving the warp yarns and the weft yarns is moderate.

The umbrella cloth blank can improve the whole physical property after pre-shrinking treatment and can keep the physical property after heat setting. After the umbrella cloth is subjected to crease loading treatment, the umbrella cloth can be stably and smoothly stored along the crease.

The second object of the present invention can be achieved by the following technical solutions:

the utility model provides an easy folding umbrella cloth's load crease device, its characterized in that, the device include die body and last die body down, and above-mentioned die body is including being discoid chassis down, chassis center department has and is pipy connecting pipe, connecting pipe lateral part circumference equipartition has a plurality of crease pieces, and above-mentioned connecting pipe and crease piece form the crease portion that is used for folding umbrella cloth on chassis upper portion, and the inside cavity lower extreme opening that is down of cavity of going up of die body is gone up the die body inner chamber and is the shaping chamber that matches with crease portion, and die body upper portion still has the mouth-piece that is used for being connected with the steam source on the aforesaid, the mouth-piece communicates with the shaping chamber.

The folding device for the load of the easily folded umbrella cloth creatively carries out folding treatment on the umbrella cloth through the upper die body and the lower die body.

Specifically, an umbrella portion to be subjected to a creasing process is placed on the lower mold body.

To ensure the stability of the fold, the umbrella part can be roughly attached to the fold sheet when the umbrella is placed. After the upper die body and the lower die body are buckled, the umbrella part is folded into a trace matched with the crease.

In the crease process, steam is introduced into the joint pipe, and the umbrella part positioned between the upper die body and the lower die body can be more easily formed by creases under the action of the steam.

Of course, after the creasing process is completed, the upper mold body is removed. At this time, the umbrella part formed by folding can be conveniently taken out from the lower die body.

In the above-mentioned load crease device of easily folding umbrella cloth, go up the mould middle part and have convex loading board, still include a plurality of discoid counterweight plates, counterweight plate center has the trepanning that runs through and counterweight plate cover is on the interface tube, and counterweight plate lower extreme supports and leans on the loading board.

The mouthpiece serves two functions:

the steam guide device is used for guiding steam between the upper die body and the lower die body;

and secondly, positioning the counterweight plate.

Of course, the lower end of the counterweight plate is abutted against the bearing plate, and finally the counterweight plate can be stably connected to the upper die body.

The number of the balance weight plates is selected according to actual conditions, so that the applicability of the device can be improved.

In foretell easy folding umbrella cloth's load crease device, crease piece inboard links firmly with the connecting pipe, and crease piece lower extreme links firmly with the chassis, and the crease piece outside is extended to chassis border department by the connecting pipe outside is smooth.

The structure can ensure that the folding line of the umbrella part is arc-shaped, the umbrella cloth can be matched with the arc-shaped support structure of the umbrella, and the umbrella part is arc-shaped when the umbrella is opened.

In the above-mentioned apparatus for folding an umbrella cloth, the connecting pipe has an exhaust notch formed at a side thereof. .

The setting of exhaust breach enables the steam that gets into by the mouth-piece smooth and easy the entering between die body and the lower die body, guarantees that the umbrella portion receives the crease shaping that can be more stable under the steam effect.

In the above-mentioned load crease device of the easy folding umbrella cloth, the upper end of the connecting pipe extends out of the upper part of the crease piece.

The center of the umbrella cloth is provided with a hole, and the umbrella part can be preliminarily positioned after the umbrella cloth is sleeved on the connecting pipe.

Of course, the opening can be connected with the umbrella rod of the umbrella in the subsequent umbrella preparation process.

In the above-mentioned load crease device of easily folding umbrella cloth, go up the mould body lock behind the die body down, the crease portion inlays in the shaping intracavity and goes up the mould body lower extreme and lean on the chassis of die body down.

In the above-mentioned device for loading creases of an easily foldable umbrella cloth, the lower port of the upper mold body is provided with a plurality of raised heads, and after the upper mold body is fastened with the lower mold body, the raised heads are abutted against the chassis of the lower mold body.

In the above-mentioned load crease device of easy folding umbrella cloth, the plush copper is hemispherical and a plurality of plush copper circumference equipartition is at last die body lower extreme.

The arrangement of the raised head can ensure that a gap is reserved between the upper die body and the chassis, and the structure can ensure that steam can smoothly flow between the upper die body and the lower die body.

Compared with the prior art, this preparation technology of easy folding umbrella cloth is owing to select for use warp and woof that correspond the material performance, consequently, the umbrella portion material behind the plain weave can not be too soft or hard, when using as umbrella cloth through subsequent load crease, and umbrella portion can be followed the stable level of its crease position department and accomodate in the umbrella accomodate process, and its stability is higher.

Meanwhile, the load crease device can process multiple creases on the umbrella cloth at one time, and is high in crease efficiency and high in practical value.

Drawings

Fig. 1 is a schematic sectional view of the load creasing device of the easy-folding umbrella cloth.

Fig. 2 is a schematic top view of the lower mold of the apparatus for loading creases of easy-folding umbrella cloth.

Fig. 3 is a front view structural diagram of a lower die body in the load creasing device of the easy-folding umbrella cloth.

Fig. 4 is a schematic view of the weaving structure of the umbrella part.

In the figure, 1, an upper mold body; 1a, a mouthpiece; 1b, a bearing plate; 2. a lower die body; 2a, a chassis; 2b, a connecting pipe; 2b1, vent notch; 2c, a crease sheet; 3. a counterweight plate.

Detailed Description

The technical solutions in 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 apparent that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be obtained by a person skilled in the art without any inventive step based on the embodiments of the present invention, are within the scope of the present invention.

It will be understood that when an element is referred to as being "mounted on" another element, it can be directly mounted on the other element or intervening elements may also be present. When a component is referred to as being "disposed on" another component, it can be directly on the other component or intervening components may also be present. When an element is referred to as being "secured to" another element, it can be directly secured to the other element or intervening elements may also be present.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used herein in the description of the invention is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "or/and" includes any and all combinations of one or more of the associated listed items.

The preparation process of the easy-folding umbrella cloth comprises the following steps:

A. preparing: selecting 30D/24F polyester textured yarns as warp yarns, and selecting 30D polyester monofilaments or 30D/48 polyester textured yarns as weft yarns;

B. weaving: plain weaving by using a loom according to the warp density of 860 pieces/10 cm and the weft density of 600 pieces/10 cm to obtain an umbrella cloth blank;

C. pre-shrinking: pre-shrinking the umbrella cloth blank by a pre-shrinking machine to prepare pre-shrunk semi-finished umbrella cloth, then putting the pre-shrunk semi-finished umbrella cloth into an overflow dyeing machine, and sequentially carrying out refining oil removal, water washing and pre-shrinking expansion;

D. heat setting: padding the preshrinked semi-finished umbrella cloth with shaping assistant at 140-150 deg.C^OC, carrying out heat setting treatment at the temperature to obtain a finished umbrella fabric;

E. loading creases: and (4) feeding the umbrella cloth into the load crease device, and folding the umbrella cloth to form corresponding creases through the load crease device.

As shown in figure 4, the reed number of the easy folding umbrella cloth is 230/10cm, the penetration number is 3 penetration, and the heald frame is 6 pieces.

As shown in fig. 1 and 2 and 3, the load crease device of easy folding umbrella cloth includes die body 2 and last die body 1 down, and die body 2 is including being discoid chassis 2 down in the above-mentioned, 2 center departments on chassis have and are pipy connecting pipe 2b, connecting pipe 2b lateral part circumference equipartition has a plurality of crease pieces 2c, and above-mentioned connecting pipe 2b and crease piece 2c form the crease portion that is used for folding umbrella cloth on chassis 2a upper portion, and the lower extreme opening under the above-mentioned 1 inside cavity that is of last die body is gone up the die body, goes up the die body 1 inner chamber for the shaping chamber that matches with the crease portion, and above-mentioned 1 upper portion of going up the die body still has the interface pipe 1a that is used for being connected with the steam source, interface pipe 1a and shaping chamber intercommunication.

The middle part of the upper die body 1 is provided with a convex bearing plate 1b and further comprises a plurality of disc-shaped balance weight discs 3, the centers of the balance weight discs 3 are provided with through sleeve holes, the balance weight discs 3 are sleeved on the interface tube 1a, and the lower ends of the balance weight discs 3 are abutted against the bearing plate 1 b.

The inner side of the crease piece 2c is fixedly connected with the connecting pipe 2b, the lower end of the crease piece 2c is fixedly connected with the chassis 2a, and the outer side of the crease piece 2c smoothly extends to the edge of the chassis 2a from the outer side of the connecting pipe 2 b. That is, the outer edge of the fold piece 2c is curved.

The connecting pipe 2b has a vent notch 2b1 formed in the side thereof. .

The upper end of the connecting pipe 2b extends out of the upper part of the crease piece 2 c.

Go up die body 1 lock behind die body 2 down, the crease portion inlays in the shaping intracavity and goes up die body 1 lower extreme and support and lean on chassis 2a at die body 2 down.

In this embodiment, the lower port of the upper mold body 1 has a plurality of protruding heads, and after the upper mold body 1 is fastened with the lower mold body 2, the protruding heads are abutted against the chassis of the lower mold body. With the structure, after the upper die body 1 and the lower die body 2 are buckled, a gap for discharging steam is formed between the upper die body 1 and the chassis 2 a.

The raised heads are hemispherical and a plurality of raised heads are circumferentially and uniformly distributed at the lower end of the upper die body 1.

As the warp yarns are 30D/24F polyester textured yarns, and the weft yarns are 30D polyester monofilaments or 30D/48 polyester textured yarns. The hardness of the umbrella cloth blank material obtained by plain weaving the warp yarns and the weft yarns is moderate.

The umbrella cloth blank can improve the whole physical property after pre-shrinking treatment and can keep the physical property after heat setting. After the umbrella cloth is subjected to crease loading treatment, the umbrella cloth can be stably and smoothly stored along the crease.

The folding device for the load of the easily folded umbrella cloth creatively carries out folding treatment on the umbrella cloth through the upper die body and the lower die body.

Specifically, an umbrella portion to be subjected to a creasing process is placed on the lower mold body.

To ensure the stability of the fold, the umbrella part can be roughly attached to the fold sheet when the umbrella is placed. After the upper die body and the lower die body are buckled, the umbrella part is folded into a trace matched with the crease.

In the crease process, steam is introduced into the joint pipe, and the umbrella part positioned between the upper die body and the lower die body can be more easily formed by creases under the action of the steam.

Of course, after the creasing process is completed, the upper mold body is removed. At this time, the umbrella part formed by folding can be conveniently taken out from the lower die body.

The features of the above-described embodiments may be arbitrarily combined, and for the sake of brevity, all possible combinations of the features in the above-described embodiments are not described, but should be construed as being within the scope of the present disclosure as long as there is no contradiction between the combinations of the features.

It should be understood by those skilled in the art that the above embodiments are only for illustrating the present invention and are not to be used as a limitation of the present invention, and that suitable changes and modifications of the above embodiments are within the scope of the claimed invention as long as they are within the spirit and scope of the present invention.