CN110641036A - Preparation method of insert type integrated hot-press forming non-woven fabric - Google Patents
Preparation method of insert type integrated hot-press forming non-woven fabric Download PDFInfo
- Publication number
- CN110641036A CN110641036A CN201910822265.2A CN201910822265A CN110641036A CN 110641036 A CN110641036 A CN 110641036A CN 201910822265 A CN201910822265 A CN 201910822265A CN 110641036 A CN110641036 A CN 110641036A
- Authority
- CN
- China
- Prior art keywords
- woven fabric
- insert
- heating
- forming
- aluminum plates
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 239000004745 nonwoven fabric Substances 0.000 title claims abstract description 104
- 238000002360 preparation method Methods 0.000 title claims abstract description 15
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims abstract description 23
- 229910052782 aluminium Inorganic materials 0.000 claims abstract description 23
- 238000010438 heat treatment Methods 0.000 claims abstract description 23
- 238000000034 method Methods 0.000 claims abstract description 15
- 239000000463 material Substances 0.000 claims abstract description 9
- 238000007789 sealing Methods 0.000 claims abstract description 8
- 238000003825 pressing Methods 0.000 claims abstract description 7
- 238000000465 moulding Methods 0.000 claims description 8
- 238000005485 electric heating Methods 0.000 claims description 3
- 230000000694 effects Effects 0.000 abstract description 6
- 238000004519 manufacturing process Methods 0.000 abstract description 5
- 229910000831 Steel Inorganic materials 0.000 description 5
- 239000000835 fiber Substances 0.000 description 5
- 239000010959 steel Substances 0.000 description 5
- 238000009958 sewing Methods 0.000 description 4
- 230000007547 defect Effects 0.000 description 3
- 238000005520 cutting process Methods 0.000 description 2
- 229920000742 Cotton Polymers 0.000 description 1
- 239000004743 Polypropylene Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005098 hot rolling Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- -1 polypropylene Polymers 0.000 description 1
- 229920001155 polypropylene Polymers 0.000 description 1
- 230000002787 reinforcement Effects 0.000 description 1
- 239000012779 reinforcing material Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C65/00—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor
- B29C65/70—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by moulding
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C66/00—General aspects of processes or apparatus for joining preformed parts
- B29C66/01—General aspects dealing with the joint area or with the area to be joined
- B29C66/02—Preparation of the material, in the area to be joined, prior to joining or welding
- B29C66/024—Thermal pre-treatments
- B29C66/0242—Heating, or preheating, e.g. drying
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C66/00—General aspects of processes or apparatus for joining preformed parts
- B29C66/70—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material
- B29C66/74—Joining plastics material to non-plastics material
- B29C66/742—Joining plastics material to non-plastics material to metals or their alloys
- B29C66/7428—Transition metals or their alloys
- B29C66/74283—Iron or alloys of iron, e.g. steel
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
- B29K2067/00—Use of polyesters or derivatives thereof, as moulding material
- B29K2067/003—PET, i.e. poylethylene terephthalate
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Laminated Bodies (AREA)
Abstract
The invention discloses a preparation method of an insert type integrated hot-press forming non-woven fabric, which comprises 5 steps of selecting the non-woven fabric, heating the non-woven fabric, carrying out pressure forming on the non-woven fabric, adding a skeleton insert and positioning the insert; non-woven fabrics made of PET materials with the mass percentage of 100 percent are adopted; carrying out contact heating on the non-woven fabric by adopting two hot aluminum plates, wherein the temperature of the hot aluminum plates reaches 100-160 ℃ after heating; placing the non-woven fabric subjected to the heating step on a forming die, and then pressing and forming the non-woven fabric; firstly, placing the skeleton insert on a pre-made mould, and then sleeving the non-woven fabric product subjected to pressure forming on the mould added with the skeleton insert; and (3) positioning the non-woven fabric and the inserts by using a heat sealing process, and performing heat sealing on a plurality of insert bosses at one time. The invention is a preparation method of the insert type integrated hot-press forming non-woven fabric with low cost, simple and convenient manufacturing process and better forming effect.
Description
Technical Field
The invention belongs to the technical field of preparation methods of insert type non-woven fabrics, and particularly relates to a preparation method of an insert type integrated hot press molding non-woven fabric.
Background
Nonwoven fabrics, also known as nonwovens, are composed of oriented or random fibers, usually polypropylene, which are produced as a nonwoven fabric by air-laying or mechanically laying the fibers directly from polymer chips, staple fibers or filaments, hydroentangling, needling or hot-rolling, and finishing. The non-woven fabric is a novel fiber product with soft, air-permeable and plane structure, and has the advantages of no generation of fiber scraps, toughness, durability, silky softness, cotton feeling and reinforcement.
When the non-woven fabric is used as a reinforcing material, the non-woven fabric is usually made into an insert non-woven fabric, the insert non-woven fabric in the prior art is all made by sewing steel wires into the non-woven fabric, and the preparation method of the insert non-woven fabric in the prior art comprises the following steps: firstly, cutting the shape of the non-woven fabric, secondly, sewing the non-woven fabric at the position with the shape, then cutting the steel wire, inserting the cut steel wire into the non-woven fabric after sewing, and finally forming the shape of the insert non-woven fabric by the steel wire, but the insert non-woven fabric in the prior art has a plurality of defects: firstly, the process is more complicated, the non-woven fabric needs to be subjected to the sewing process, secondly, the forming effect of adopting the steel wire for forming is not ideal, and the insert material used in the manufacturing process of the insert non-woven fabric in the prior art is more, so that the cost of the insert non-woven fabric is higher. Based on the defects in the prior art, a new process needs to be designed, so that the insert type non-woven fabric has the advantages of low cost, simple and convenient manufacturing process, good forming effect and the like.
Disclosure of Invention
The invention provides a preparation method of an insert type integrated hot press forming non-woven fabric, which is low in cost, simple and convenient in manufacturing process and good in forming effect, and aims to overcome the defects in the prior art.
The invention is realized by the following technical scheme: a preparation method of an insert type integrated hot-press forming non-woven fabric specifically comprises 5 steps of selecting the non-woven fabric, heating the non-woven fabric, carrying out pressure forming on the non-woven fabric, adding a skeleton insert and positioning the insert;
(1) selecting non-woven fabrics: non-woven fabrics made of PET materials with the mass percentage of 100 percent are adopted;
(2) heating non-woven fabrics: two hot aluminum plates are adopted to heat the non-woven fabric in a contact way, the temperature of the hot aluminum plates for heating the non-woven fabric is controlled by a contact thermocouple, and the temperature of the hot aluminum plates reaches 100-160 ℃ after being heated;
(3) non-woven fabric pressure forming: placing the non-woven fabric subjected to the heating step on a forming die, and then pressing and forming the non-woven fabric;
(4) adding a skeleton insert: firstly, placing the skeleton insert on a pre-made mould, and then sleeving the non-woven fabric product subjected to pressure forming on the mould added with the skeleton insert;
(5) positioning the insert: and (3) positioning the non-woven fabric and the inserts by using a heat sealing process, and performing heat sealing on a plurality of insert bosses at one time.
Preferably, in the step (1), the low-melting-point PET in the non-woven fabric component accounts for 40-50% of the mass percent of all PET materials.
Preferably, in the step (2), the non-woven fabric is heated by contact heating with two aluminum plates by a specific operation method comprising: the non-woven fabric is placed between the two hot aluminum plates, the surfaces of the two hot aluminum plates carry out contact heating on the non-woven fabric, and the heat source of the hot aluminum plates is an electric heating pipe.
Preferably, in the step (3), the nonwoven fabric is subjected to pressure molding under a pressure of 500kg to 5000kg and a pressure-holding time per pressure molding is 15s to 30 s.
Compared with the prior art, the invention has the following beneficial effects or benefits: the forming effect of the integrated hot-press formed non-woven fabric prepared by the preparation method of the insert integrated hot-press formed non-woven fabric is better than that of the non-woven fabric sewn in the position with the shape in the prior art, and the insert material used by the integrated hot-press formed non-woven fabric prepared by the preparation method of the insert integrated hot-press formed non-woven fabric is less than that used by the existing hot-press formed non-woven fabric in the prior art, so that the cost of the manufactured insert integrated non-woven fabric is lower. Therefore, the invention is a preparation method of the insert type integrated hot press forming non-woven fabric, which has the advantages of low cost, simple and convenient manufacturing process and better forming effect.
Detailed Description
The present invention will be described in detail with reference to specific embodiments.
A preparation method of an insert type integrated hot-press forming non-woven fabric specifically comprises 5 steps of selecting the non-woven fabric, heating the non-woven fabric, carrying out pressure forming on the non-woven fabric, adding a skeleton insert and positioning the insert;
(1) selecting non-woven fabrics: the PET material is prepared into non-woven fabric by 100% by mass, wherein the low-melting-point PET in the non-woven fabric accounts for 40-50% of all the PET materials by mass.
(2) Heating non-woven fabrics: two hot aluminum plates are adopted to carry out contact heating on the non-woven fabric, and the specific operation method for carrying out contact heating on the non-woven fabric by adopting the two aluminum plates is as follows: placing the non-woven fabric between two hot aluminum plates, and heating the non-woven fabric in a contact manner on the surfaces of the two hot aluminum plates, wherein the heat source of the hot aluminum plates is an electric heating pipe; controlling the temperature of a hot aluminum plate for heating the non-woven fabric by a contact thermocouple, wherein the temperature of the hot aluminum plate reaches 100-160 ℃ after being heated;
(3) non-woven fabric pressure forming: and placing the non-woven fabric subjected to the heating step on a forming die, and then pressing and forming the non-woven fabric, wherein the pressing pressure is 500 kg-5000 kg in the process of pressing and forming the non-woven fabric, and the pressure maintaining time of each pressing and forming is 15 s-30 s.
(4) Adding a skeleton insert: firstly, placing the skeleton insert on a pre-made mould, and then sleeving the non-woven fabric product subjected to pressure forming on the mould added with the skeleton insert;
(5) positioning the insert: and (3) positioning the non-woven fabric and the inserts by using a heat sealing process, and performing heat sealing on a plurality of insert bosses at one time.
Finally, it should be noted that the above-mentioned contents are only used for illustrating the technical solutions of the present invention, and not for limiting the protection scope of the present invention, and that the simple modifications or equivalent substitutions of the technical solutions of the present invention by those of ordinary skill in the art can be made without departing from the spirit and scope of the technical solutions of the present invention.
Claims (4)
1. A preparation method of an insert type integrated hot-press forming non-woven fabric is characterized by comprising the following steps: the preparation method of the insert type integrated hot press molding non-woven fabric specifically comprises 5 steps of selecting the non-woven fabric, heating the non-woven fabric, pressurizing and molding the non-woven fabric, adding the skeleton insert and positioning the insert;
(1) selecting non-woven fabrics:
non-woven fabrics made of PET materials with the mass percentage of 100 percent are adopted;
(2) heating non-woven fabrics:
the non-woven fabric is heated in a contact mode through two hot aluminum plates, the temperature of the hot aluminum plates for heating the non-woven fabric is controlled through a contact thermocouple, and the temperature of the hot aluminum plates reaches 100-160 ℃ after being heated;
(3) non-woven fabric pressure forming:
placing the non-woven fabric subjected to the heating step on a forming die, and then pressing and forming the non-woven fabric;
(4) adding a skeleton insert:
firstly, placing the skeleton insert on a pre-made mould, and then sleeving the non-woven fabric product subjected to pressure forming on the mould added with the skeleton insert;
(5) positioning the insert:
and (3) positioning the non-woven fabric and the inserts by using a heat sealing process, and performing heat sealing on a plurality of insert bosses at one time.
2. The method for preparing the insert-type integrated hot press molding non-woven fabric according to claim 1, characterized in that: in the step (1), the low-melting-point PET in the non-woven fabric component accounts for 40-50% of the mass percent of all PET materials.
3. The method for preparing the insert-type integrated hot press molding non-woven fabric according to claim 1, characterized in that: in the step (2), the specific operation method for heating the non-woven fabric in a contact manner by using two aluminum plates comprises the following steps: the non-woven fabric is placed between the two hot aluminum plates, the surfaces of the two hot aluminum plates carry out contact heating on the non-woven fabric, and the heat source of the hot aluminum plates is an electric heating pipe.
4. The method for preparing the insert-type integrated hot press molding non-woven fabric according to claim 1, characterized in that: in the step (3), the pressure is 500kg to 5000kg during the process of pressure forming the non-woven fabric, and the pressure dwell time for each pressure forming is 15s to 30 s.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910822265.2A CN110641036A (en) | 2019-09-02 | 2019-09-02 | Preparation method of insert type integrated hot-press forming non-woven fabric |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910822265.2A CN110641036A (en) | 2019-09-02 | 2019-09-02 | Preparation method of insert type integrated hot-press forming non-woven fabric |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110641036A true CN110641036A (en) | 2020-01-03 |
Family
ID=68991462
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910822265.2A Pending CN110641036A (en) | 2019-09-02 | 2019-09-02 | Preparation method of insert type integrated hot-press forming non-woven fabric |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110641036A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113123015A (en) * | 2021-03-08 | 2021-07-16 | 王丹 | Hot-air non-woven fabric hot-press forming equipment and method for preparing non-woven fabric |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0595609U (en) * | 1992-05-28 | 1993-12-27 | エヌオーケー株式会社 | Insert molded product |
| JP2010018928A (en) * | 2008-07-14 | 2010-01-28 | Unitika Ltd | Nonwoven fabric for heat molding and heat molding method using the same |
| CN102133960A (en) * | 2011-01-20 | 2011-07-27 | 肖明忠 | Non-woven seamless anti-counterfeiting packing bag and manufacturing method |
| CN109514930A (en) * | 2017-09-18 | 2019-03-26 | 瑞菖国际股份有限公司 | The manufacturing method of stereo shoe-vamp |
| CN109986790A (en) * | 2017-12-29 | 2019-07-09 | 苏州卡尔博德精密机械有限公司 | A kind of automotive upholstery non-woven fabrics anti-package heating blanching, adhesion technique and device |
-
2019
- 2019-09-02 CN CN201910822265.2A patent/CN110641036A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0595609U (en) * | 1992-05-28 | 1993-12-27 | エヌオーケー株式会社 | Insert molded product |
| JP2010018928A (en) * | 2008-07-14 | 2010-01-28 | Unitika Ltd | Nonwoven fabric for heat molding and heat molding method using the same |
| CN102133960A (en) * | 2011-01-20 | 2011-07-27 | 肖明忠 | Non-woven seamless anti-counterfeiting packing bag and manufacturing method |
| CN109514930A (en) * | 2017-09-18 | 2019-03-26 | 瑞菖国际股份有限公司 | The manufacturing method of stereo shoe-vamp |
| CN109986790A (en) * | 2017-12-29 | 2019-07-09 | 苏州卡尔博德精密机械有限公司 | A kind of automotive upholstery non-woven fabrics anti-package heating blanching, adhesion technique and device |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113123015A (en) * | 2021-03-08 | 2021-07-16 | 王丹 | Hot-air non-woven fabric hot-press forming equipment and method for preparing non-woven fabric |
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| Date | Code | Title | Description |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20200103 |