CN111374356B - Double-pasting traceless punching mold cup and preparation method thereof - Google Patents
Double-pasting traceless punching mold cup and preparation method thereof Download PDFInfo
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- CN111374356B CN111374356B CN201811606857.2A CN201811606857A CN111374356B CN 111374356 B CN111374356 B CN 111374356B CN 201811606857 A CN201811606857 A CN 201811606857A CN 111374356 B CN111374356 B CN 111374356B
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- A—HUMAN NECESSITIES
- A41—WEARING APPAREL
- A41C—CORSETS; BRASSIERES
- A41C5/00—Machines, appliances, or methods for manufacturing corsets or brassieres
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- A—HUMAN NECESSITIES
- A41—WEARING APPAREL
- A41C—CORSETS; BRASSIERES
- A41C3/00—Brassieres
- A41C3/12—Component parts
Abstract
The invention discloses a preparation method of a double-pasting traceless punching mold cup, which comprises the following steps: 1) designing a model cup style; 2) preparing materials: preparing a first cloth layer, a second cloth layer and materials for preparing a hollow layer; 3) opening a mold: comprises a cutting die mould for perforating and a pressing die mould for die pressing; 4) hollowing out: punching the material for preparing the hollow layer; 5) attaching: attaching the cloth to the hollowed-out layer; 6) and (3) accurate cutting: accurately cutting the laminated material with the multilayer structure; 7) discharging: placing the first fabric layer towards the female die in the cut pieces with the multilayer structures, and placing the second fabric layer close to the male die; 8) die pressing: and (5) closing the die and carrying out hot pressing to obtain the double-pasted traceless punching die cup. The preparation method of the double-pasting traceless punching mold cup has the advantages of low cost, good effect, good air circulation of the prepared product, no wrinkle after washing, difficult deformation and long service life.
Description
Technical Field
The invention relates to the technical field of clothing production, in particular to a preparation method of a double-pasted traceless punching mold cup and the double-pasted traceless punching mold cup prepared by the preparation method.
Background
With the improvement of science and technology and the improvement of the living standard of people, people have higher requirements on clothes and the production of clothes is larger and larger.
The bra mold cups in the current market all have the requirements of moisture absorption and sweat releasing. In order to achieve the effect, the fabric is realized by means of specific functions, process design and the like of the fabric.
The existing commercially available punching cups are mainly divided into three types:
1. cleaning and punching the cup: firstly, the clean cotton cup is molded and shaped, and then one pair of holes are punched by one pair of workers; the defects that labor hour is too long, productivity is influenced, cost is increased, and surface cloth, lining cloth and the like are required to be added when the finished underwear is manufactured, so that permeability of the appearance is greatly influenced, and cost is increased;
2. punching a sponge cloth sticking cup: the method comprises the steps of firstly, regularly punching all the holes on the sponge and then carrying out die pressing; the defects that when the aperture exceeds 2mm, some positions are caused, for example, the heart of a chicken can stretch and deform to seriously affect the appearance, the edge of a mold cup is uneven, and in addition, the whole cup is provided with holes, so that a part of people can fear the density;
3. punching the cup after double sticking: the double-sticking mould cup is punched after being formed; the defects are that the labor hour is too long, the productivity is influenced, the cost is increased, and the inferior-quality product is formed by the wire drawing at the punching position.
Disclosure of Invention
In view of the above, in order to overcome the defects of the prior art, the invention aims to provide a method for preparing a double-pasted traceless punching mold cup, which has the advantages of low cost, good effect, good air circulation of the prepared product, no wrinkle after washing, difficult deformation and long service life.
In order to achieve the purpose, the invention adopts the following technical scheme:
a preparation method of a double-pasting traceless punching mold cup comprises the following steps:
1) designing: designing the style of the mold cup, wherein the style comprises the material, thickness, hole pattern, arrangement and the like of the mold cup;
2) preparing materials: preparing a first cloth layer, a second cloth layer and a material for preparing a hollow layer according to the model cup style designed in the step 1); the material in this case is usually a coil;
3) opening a mold: arranging a mold according to the mold cup style designed in the step 1), wherein the mold comprises a cutting mold for perforating and a pressing mold for molding, and the pressing mold comprises a male mold positioned above and a female mold positioned below;
4) hollowing out: punching the material for preparing the hollow layer in the step 2) by adopting the cutting die in the step 3) to form air holes, and preparing to obtain the hollow layer; at the moment, the material is still a coiled material, and a plurality of hollow layers of the mold cups can be correspondingly manufactured in the width direction of the coiled material;
5) attaching: attaching the cloth in the step 2) to the hollowed-out layer prepared in the step 4), wherein a first adhesive layer is arranged between the first cloth layer and the hollowed-out layer, and a second adhesive layer is arranged between the second cloth layer and the hollowed-out layer, so that a multilayer structure comprising the first cloth layer, the first adhesive layer, the hollowed-out layer, the second adhesive layer and the second cloth layer in sequence is formed; the thickness of the first adhesive layer and the second adhesive layer is 0.01-1 mm; the laminated material of the multilayer structure is a coiled material;
6) and (3) accurate cutting: accurately cutting the coiled material with the multilayer structure attached in the step 5), and correspondingly manufacturing a mould cup for each cut piece with the multilayer structure after accurate cutting;
7) discharging: placing the first fabric layer towards the female die and placing the second fabric layer close to the male die in the multi-layer cutting piece in the step 6);
8) die pressing: and closing the mold and carrying out hot pressing to obtain the double-pasted traceless punching mold cup, wherein the hot pressing process parameter is that the temperature is kept at 180-.
In some embodiments, the lamination is performed by using a compounding machine and adopting hot melt adhesive to compound the cloth and the hollow layer. The compounding parameter is the gluing amount of the hot melt adhesive of 10-25g/m2The compounding speed is 15-25 m/min. In some embodiments, the gluing amount of the hot melt adhesive is preferably 20g/m2The compounding speed was 20 m/min. The hot melt adhesive is a polyurethane hot melt adhesive or an EVA hot melt adhesive.
Preferably, the hollowed-out layer includes a first hollowed-out layer and a second hollowed-out layer, wherein the first hollowed-out layer is attached to the first cloth layer, the second hollowed-out layer is attached to the second cloth layer, and the air holes are formed in the first hollowed-out layer and the second hollowed-out layer.
More preferably, the air holes in the first hollow-out layer correspond to the air holes in the second hollow-out layer.
More preferably, one or more of a cut cotton core, a shaping yarn and a functional auxiliary material are arranged between the first hollow-out layer and the second hollow-out layer. The functional adjuvants include bone glue, silica gel sheet or modeling film. The functional auxiliary materials have the function of increasing hand feeling or supporting property.
Preferably, the material of the first cloth layer and the second cloth layer comprises one or more of canopian, modal or sandwich cloth. The first cloth layer and the second cloth layer are the outermost material of the mold cup and are made of a material which can resist high temperature, has certain elasticity, is comfortable, safe and environment-friendly.
Preferably, the first adhesive layer and the second adhesive layer are made of hot melt adhesive. The hot melt adhesive comprises polyurethane hot melt adhesive or EVA hot melt adhesive.
Preferably, the first adhesive layer and the second adhesive layer are the same as the hollow layer in area, that is, the hollow layer is completely attached to the first fabric layer and the second fabric layer.
Preferably, the material of the hollow-out layer comprises one or more of sponge, vertical cotton or sandwich cloth.
Preferably, the punching area in step 4) is smaller than or equal to the size of the mold cup.
The invention also provides the double-pasting traceless punching mold cup prepared by the preparation method.
Due to the adoption of the technical scheme, compared with the prior art, the invention has the beneficial effects that: according to the preparation method of the double-paste traceless punching mold cup, punching is carried out in a preset area, and then laminating, accurate cutting and mold pressing are carried out, so that the problem that a middle hollowed-out layer is easy to deform during mold pressing due to a traditional manufacturing method can be solved, the size of the air holes can be increased, the ventilation effect of a product is improved, the manufacturing cost and the working hours are greatly saved on the basis of improving the quality of the punching cotton cup, the productivity and the quality rate are improved, and the problems that the cost of the existing punching cotton cup is too high, the productivity is influenced by too much working hours, and the defective rate is high can be solved; in addition, the middle hollow layer is firstly attached to the cloth, so that the hollow layer and the cloth are combined together before mould pressing, the later-stage process of arranging the cloth is omitted, the problem that the cloth is easy to deform during mould pressing due to too large diameter is solved, the hollow layer and the cloth are completely attached, the problems of wrinkling and easy deformation during washing are avoided, and the service life of the mould cup is prolonged.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts.
FIG. 1 is a flow chart of a method for preparing a double-stick traceless punching die cup according to a preferred embodiment of the invention;
FIG. 2 is a schematic view of a whole width of a cut piece in the method for manufacturing a double-stick traceless punching die cup according to the preferred embodiment of the present invention;
FIG. 3 is a schematic diagram of each cut segment after precise trimming in the method for manufacturing a double-stick traceless punching die cup according to the preferred embodiment of the present invention;
FIG. 4 is a cross-sectional view of a double-stick non-marking punch cup in a preferred embodiment of the invention;
wherein: a first cloth layer-11, a second cloth layer-12, a first hollow-out layer-21, a second hollow-out layer-22 and a cotton core-3.
Detailed Description
In order to make those skilled in the art better understand the technical solution of the present invention, the technical solution in the embodiment of the present invention will be clearly and completely described below with reference to the drawings in the embodiment of the present invention, and it is obvious that the described embodiment is only a part of the embodiment of the present invention, and not a whole embodiment. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Examples
Referring to fig. 1-3, a method for preparing a double-stick traceless punching mold cup specifically comprises the following steps:
step S1: design of
And designing the style of the mold cup, wherein the style comprises the material, thickness and hole pattern of the mold cup, the arrangement rule and the arrangement region of the hole pattern, and the like.
Step S2: stock preparation
The first layer of cloth, the second layer of cloth and the material for preparing the openwork layer are prepared according to the cup design in step S1, and these materials in this step may be coiled materials.
Step S3: open the mould
And opening a mold according to the mold cup style designed in the step S1, wherein the mold comprises a cutting mold for punching and a pressing mold for molding, and the pressing mold comprises a male mold positioned at the upper part and a female mold positioned at the lower part.
Step S4: hollow out
As shown in fig. 2 to 3, the coil material for preparing the hollow-out layer in the step S2 is punched by using the cutting die in the step S3 to form the vent holes, so as to prepare the hollow-out layer. The area of the hole is not larger than the size of the cup, based on the area set in advance in step S1.
In the embodiment, the diameter of each air hole is 4mm, and the distance between every two adjacent air holes is 1 cm. The vent holes with the thickness of 4mm are far larger than the vent holes with the thickness of 2mm in the prior art, so that the air permeability can be further improved on the premise of ensuring other qualities of products.
When the punching operation is performed, the coiled material is punched in the width direction, after one row of punching operation is finished, the material advances forwards, and then one row of holes are punched, so that the holes punched in each row are the same, and the product quality is guaranteed.
Step S5: bonding
And (3) attaching the cloth in the step (S2) to the hollow layer prepared in the step (S4), wherein a first glue layer is arranged between the first cloth layer and the hollow layer, a second glue layer is arranged between the second cloth layer and the hollow layer, a multilayer structure comprising the first cloth layer, the first glue layer, the hollow layer, the second glue layer and the second cloth layer in sequence is formed, and the thickness of the first glue layer and the thickness of the second glue layer are 0.01-1 mm.
In this embodiment, the hollow-out layer includes a first hollow-out layer that laminates with the first cloth layer and a second hollow-out layer that laminates with the second cloth layer, and the bleeder vent has all been seted up on first hollow-out layer and the second hollow-out layer, and the bleeder vent on the first hollow-out layer corresponds each other with the bleeder vent on the second hollow-out layer.
One or more of cut cotton core, shaping yarn and functional auxiliary materials are also arranged between the first hollow-out layer and the second hollow-out layer. The functional adjuvants include bone glue, silica gel sheet or modeling film. The functional auxiliary materials have the function of increasing hand feeling or supporting property. In this embodiment, a cotton cutting core is disposed between the first hollow layer and the second hollow layer, as shown in fig. 4.
The first cloth layer and the second cloth layer are made of one or more of Jiaji cloth, modal or sandwich cloth. The first cloth layer and the second cloth layer are the outermost materials of the mold cup, and the first cloth layer and the second cloth layer are made of materials which can resist high temperature, have certain elasticity, are comfortable and are safe and environment-friendly. The hollow-out layer is made of one or more of sponge, vertical cotton or sandwich cloth.
In this embodiment, the lamination is performed by using a composite machine and compounding the fabric and the hollow layer by using a hot melt adhesive. The compounding parameter is the gluing amount of the hot melt adhesive is 10-25g/m2The compounding speed is 15-25 m/min. In some embodiments, the gluing amount of the hot melt adhesive is preferably 20g/m2The compounding speed was 20 m/min. The hot melt adhesive is a polyurethane hot melt adhesive or an EVA hot melt adhesive, namely the first adhesive layer and the second adhesive layer are made of the polyurethane hot melt adhesive or the EVA hot melt adhesive. The first adhesive layer and the second adhesive layer have the same area as the hollow-out layer, namely the hollow-out layer is completely attached to the first cloth layer and the second cloth layer.
The compounded material is still a coiled material, and a plurality of die cups can be correspondingly manufactured in the width direction of the coiled material.
As shown in fig. 1, in this embodiment, 3 mold cups can be correspondingly manufactured in the width direction of one roll, and as shown in the figure, the width of a cut piece of the whole width is 55cm, and the length is 145 cm. In other embodiments, the size of the cut pieces of one full width may be larger to correspond to more mold cups; or smaller, for example, a row corresponding to 2 cups, etc.
Step S6: accurate cutting
And D, precisely cutting the coiled material with the multi-layer structure attached in the step S5, and correspondingly manufacturing a mold cup for each cut piece with the multi-layer structure after precise cutting.
As shown in fig. 3, the size in fig. 3 is the size of the cut piece after precise cutting. The cut pieces after accurate cutting in the embodiment have the length of 45cm and the width of 25 cm. The top in the region of punching is 8cm apart from the top of cut-parts, and the edge in the region of punching is 9cm apart from the side of cut-parts, and the bottom in the region of punching is 7cm apart from the bottom of cut-parts, and the distance between two regions of punching about on same cut-parts is 6 cm.
In fig. 2, 6 cut pieces as shown in fig. 3 are included, and the distance between adjacent cut pieces is 5 cm.
Step S7: discharging
And (5) placing the first fabric layer towards the female die and placing the second fabric layer close to the male die in the multi-layer structural cut pieces obtained in the step (S6). And a cut cotton core is also arranged between the upper hollow-out layer and the lower hollow-out layer.
Step S8: die pressing
And (5) closing the mold and carrying out hot pressing to obtain the double-adhered traceless punching mold cup, wherein the hot pressing process parameter is that the temperature is kept at 180-200 ℃ for 150-200 seconds.
For convenience of description and understanding, the above steps are respectively numbered, but the steps are not limited in meaning, and in actual cases, the steps can be performed simultaneously in a non-sequential order.
The embodiment also provides a double-adhered traceless punching mold cup prepared by the preparation method, as shown in fig. 4, the double-adhered traceless punching mold cup sequentially comprises a first fabric layer 11, a first hollow-out layer 21, a cut cotton core 3, a second hollow-out layer 22 and a second fabric layer 12, a first adhesive layer (not shown) is arranged between the first fabric layer 11 and the first hollow-out layer 21, a second adhesive layer (not shown) is arranged between the second fabric layer 12 and the second hollow-out layer 22, the areas of the first adhesive layer and the second adhesive layer are the same as those of the hollow-out layer, namely the hollow-out layer is completely attached to the first fabric layer and the second fabric layer, and air holes are correspondingly formed in the first hollow-out layer 21 and the second hollow-out layer 22, and the diameter of the air holes in the embodiment is 4 mm.
According to the preparation method of the double-paste traceless punching mold cup, punching is carried out in a preset area, and then laminating, accurate cutting and mold pressing are carried out, so that the problem that a middle hollowed-out layer is easy to deform during mold pressing due to a traditional manufacturing method can be solved, the size of the air holes can be increased, the ventilation effect of a product is improved, the manufacturing cost and the working hours are greatly saved on the basis of improving the quality of the punching cotton cup, the productivity and the quality rate are improved, and the problems that the cost of the existing punching cotton cup is too high, the productivity is influenced by too much working hours, and the defective rate is high can be solved; in addition, the middle hollow layer is firstly attached to the cloth, so that the hollow layer and the cloth are combined together before mould pressing, the later-stage process of arranging the cloth is omitted, the problem that the cloth is easy to deform during mould pressing due to too large diameter is solved, the hollow layer and the cloth are completely attached, the problems of wrinkling and easy deformation during washing are avoided, and the service life of the mould cup is prolonged.
The above embodiments are merely illustrative of the technical ideas and features of the present invention, and the purpose thereof is to enable those skilled in the art to understand the contents of the present invention and implement the present invention, and not to limit the protection scope of the present invention. All equivalent changes and modifications made according to the spirit of the present invention should be covered within the protection scope of the present invention.
Claims (7)
1. The preparation method of the double-pasting traceless punching mold cup is characterized by comprising the following steps:
1) designing: designing the style of the mold cup;
2) preparing materials: preparing a first cloth layer, a second cloth layer and a material for preparing a hollow layer according to the model cup style designed in the step 1); the material of the step 2) is a coiled material;
3) opening a mold: arranging a mold according to the mold cup style designed in the step 1), wherein the mold comprises a cutting mold for perforating and a pressing mold for molding, and the pressing mold comprises a male mold positioned above and a female mold positioned below;
4) hollowing out: punching the material for preparing the hollow layer in the step 2) by adopting the cutting die in the step 3) to form air holes, and preparing to obtain the hollow layer; the hollow-out layer comprises a first hollow-out layer and a second hollow-out layer; the material of the step 4) is a coiled material; during the punching operation, the coiled materials are punched in the width direction, after one row of holes are punched, the materials advance forwards, and then the next row of holes are punched;
5) attaching: attaching the cloth in the step 2) to the hollow layer prepared in the step 4), attaching a first cloth layer to the first hollow layer, and attaching a second cloth layer to the second hollow layer; a first adhesive layer is arranged between the first cloth layer and the hollow layer, and a second adhesive layer is arranged between the second cloth layer and the hollow layer, so that a multilayer structure comprising the first cloth layer, the first adhesive layer, the first hollow layer, the second adhesive layer and the second cloth layer in sequence is formed;
6) and (3) accurate cutting: accurately cutting the materials of the multilayer structure attached in the step 5), and correspondingly manufacturing a mould cup for each cut piece of the multilayer structure after accurate cutting;
7) discharging: placing the first fabric layer towards the female die and placing the second fabric layer close to the male die in the multi-layer cutting piece in the step 6);
8) die pressing: closing the die and carrying out hot pressing to obtain the double-pasted traceless punching die cup;
the size of the punching area in the step 4) is less than or equal to that of the mold cup;
the first hollowed-out layer and the second hollowed-out layer in the step 4) are both provided with the air holes; the air holes in the first hollow-out layer correspond to the air holes in the second hollow-out layer.
2. The method for preparing the double-pasted traceless punching mold cup according to claim 1, wherein one or more of a cotton skiving core, a setting yarn and a functional auxiliary material are arranged between the first hollowed-out layer and the second hollowed-out layer.
3. The method for preparing a double-stick traceless punching mold cup according to claim 1, wherein the material of the first cloth layer and the second cloth layer comprises one or more of canopies, modal or sandwich cloth.
4. The method for preparing the double-pasting traceless punching mold cup according to claim 1, wherein the first adhesive layer and the second adhesive layer are made of hot melt adhesive.
5. The method for preparing the double-pasted traceless punching mold cup according to claim 1, wherein the areas of the first adhesive layer and the second adhesive layer are the same as the areas of the hollow layers.
6. The method for preparing a double-stick traceless punching mold cup according to claim 1, wherein the material of the hollow-out layer comprises one or more of sponge, vertical cotton or sandwich cloth.
7. A double-stick traceless punching die cup prepared by the preparation method of any one of claims 1 to 6.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201811606857.2A CN111374356B (en) | 2018-12-27 | 2018-12-27 | Double-pasting traceless punching mold cup and preparation method thereof |
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| CN201811606857.2A CN111374356B (en) | 2018-12-27 | 2018-12-27 | Double-pasting traceless punching mold cup and preparation method thereof |
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| CN111374356B true CN111374356B (en) | 2022-07-05 |
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Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1166659A3 (en) * | 2000-06-30 | 2004-01-28 | Sakae Lace Co. Ltd. | Method of manufacturing three-dimensional lace material and three-dimensional lace material manufactured by the method |
| CN1590065A (en) * | 2003-08-26 | 2005-03-09 | 薛攀霆 | Technology of continuous producing polyurethane sponge bra cups |
| CN102048248A (en) * | 2010-09-20 | 2011-05-11 | 苏州美山子制衣有限公司 | Sports combined brassiere mold cup and manufacture process thereof |
| CN102366160A (en) * | 2011-09-16 | 2012-03-07 | 苏州美山子制衣有限公司 | Production technology of punching mold cup |
| CN103416854A (en) * | 2013-08-16 | 2013-12-04 | 苏州美山子制衣有限公司 | Environment-friendly breathable vertical cotton bra cup |
| CN104172484A (en) * | 2014-07-23 | 2014-12-03 | 苏州美山子制衣有限公司 | Method for manufacturing connected mold cup |
| CN107637883A (en) * | 2017-10-20 | 2018-01-30 | 苏州美山子制衣有限公司 | A kind of mold cup, the manufacture method of the mold cup and brassiere |
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