CN112372995A - Processing method of TPU high-low temperature film composite cloth - Google Patents
Processing method of TPU high-low temperature film composite cloth Download PDFInfo
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- CN112372995A CN112372995A CN202011157612.3A CN202011157612A CN112372995A CN 112372995 A CN112372995 A CN 112372995A CN 202011157612 A CN202011157612 A CN 202011157612A CN 112372995 A CN112372995 A CN 112372995A
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- China
- Prior art keywords
- low temperature
- film composite
- composite cloth
- temperature film
- tpu high
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- 239000004744 fabric Substances 0.000 title claims abstract description 77
- 239000002131 composite material Substances 0.000 title claims abstract description 74
- 238000003672 processing method Methods 0.000 title claims abstract description 22
- 238000007731 hot pressing Methods 0.000 claims abstract description 36
- 238000007493 shaping process Methods 0.000 claims abstract description 21
- 238000000034 method Methods 0.000 claims abstract description 10
- 238000010030 laminating Methods 0.000 claims abstract description 4
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 9
- 239000000741 silica gel Substances 0.000 claims description 9
- 229910002027 silica gel Inorganic materials 0.000 claims description 9
- 238000001816 cooling Methods 0.000 claims description 7
- 229910052782 aluminium Inorganic materials 0.000 claims description 4
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 4
- 229910052751 metal Inorganic materials 0.000 claims description 4
- 239000002184 metal Substances 0.000 claims description 4
- 229920001342 Bakelite® Polymers 0.000 claims description 3
- 239000004637 bakelite Substances 0.000 claims description 3
- 108010025899 gelatin film Proteins 0.000 claims description 3
- 239000002023 wood Substances 0.000 claims description 3
- 238000002360 preparation method Methods 0.000 claims 3
- 238000004519 manufacturing process Methods 0.000 abstract description 14
- 238000013329 compounding Methods 0.000 abstract description 4
- 239000010410 layer Substances 0.000 description 21
- 230000000694 effects Effects 0.000 description 9
- 238000003825 pressing Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 230000003238 somatosensory effect Effects 0.000 description 2
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 1
- 239000012790 adhesive layer Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 238000011031 large-scale manufacturing process Methods 0.000 description 1
- 239000002649 leather substitute Substances 0.000 description 1
- 239000012528 membrane Substances 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 230000000704 physical effect Effects 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
- 229910052710 silicon Inorganic materials 0.000 description 1
- 239000010703 silicon Substances 0.000 description 1
- 229920006268 silicone film Polymers 0.000 description 1
- 239000004753 textile Substances 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
Images
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
- B29C51/00—Shaping by thermoforming, i.e. shaping sheets or sheet like preforms after heating, e.g. shaping sheets in matched moulds or by deep-drawing; Apparatus therefor
- B29C51/26—Component parts, details or accessories; Auxiliary operations
- B29C51/30—Moulds
- B29C51/36—Moulds specially adapted for vacuum forming, Manufacture thereof
-
- 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
- B29C33/00—Moulds or cores; Details thereof or accessories therefor
- B29C33/38—Moulds or cores; Details thereof or accessories therefor characterised by the material or the manufacturing process
- B29C33/40—Plastics, e.g. foam or rubber
-
- 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
- B29C51/00—Shaping by thermoforming, i.e. shaping sheets or sheet like preforms after heating, e.g. shaping sheets in matched moulds or by deep-drawing; Apparatus therefor
- B29C51/002—Shaping by thermoforming, i.e. shaping sheets or sheet like preforms after heating, e.g. shaping sheets in matched moulds or by deep-drawing; Apparatus therefor characterised by the choice of material
-
- 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
- B29C51/00—Shaping by thermoforming, i.e. shaping sheets or sheet like preforms after heating, e.g. shaping sheets in matched moulds or by deep-drawing; Apparatus therefor
- B29C51/10—Forming by pressure difference, e.g. vacuum
-
- 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
- B29C51/00—Shaping by thermoforming, i.e. shaping sheets or sheet like preforms after heating, e.g. shaping sheets in matched moulds or by deep-drawing; Apparatus therefor
- B29C51/26—Component parts, details or accessories; Auxiliary operations
- B29C51/46—Measuring, controlling or regulating
-
- 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
- B29K2075/00—Use of PU, i.e. polyureas or polyurethanes or derivatives thereof, as moulding material
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Treatment Of Fiber Materials (AREA)
- Laminated Bodies (AREA)
Abstract
The invention relates to the technical field of processing of TPU high-low temperature film composite cloth, in particular to a processing method of TPU high-low temperature film composite cloth, which comprises the following steps: (S1) placing the mould on a carrying table of hot-pressing equipment, and then placing the TPU high-low temperature film on the surface of the mould in a compounding way; wherein, one surface of the mould for placing the TPU high-low temperature film composite cloth is a concave-convex uneven surface; (S2) laminating the soft heat-conducting layer of the hot-pressing equipment on the TPU high-low temperature film composite cloth to carry out hot-pressing treatment, so that the TPU high-low temperature film composite cloth is pressed with a mould and deforms; (S3) after hot pressing, transferring the whole of the jig and the TPU high-low temperature film composite cloth to a carrying platform of a shaping device for film shaping treatment, and taking a film to obtain the stereoscopic TPU high-low temperature film composite cloth. The processing method replaces a method for manufacturing the three-dimensional TPU high-low temperature film composite cloth by adopting a die, and the manufacturing cost is effectively saved.
Description
Technical Field
The invention relates to the technical field of processing of TPU high-low temperature film composite cloth, in particular to a processing method of TPU high-low temperature film composite cloth.
Background
The TPU high-low temperature film is widely applied to various textile fabrics such as shoe materials, clothes, bags and the like due to the characteristics of simplicity, softness, elasticity, convenient use and the like, and is one of the first-choice materials of fashionable, leisure and sports brands; for example: vamp, tongue mark, trade mark and decorative fittings of sports shoe industry, braces of case and bag, reflection of light safety mark, LOGO etc..
The TPU high-low temperature film composite cloth is mostly formed by compounding a TPU high-low temperature film and a mesh cloth or synthetic leather.
The existing TPU high-low temperature film composite cloth needs to be processed by arranging a specific mold for making a stereoscopic effect, needs to be matched by more combined molds for making different stereoscopic patterns, but is high in mold opening cost and higher in cost for arranging a plurality of combined molds.
Disclosure of Invention
In order to overcome the defects in the prior art, the invention aims to provide the processing method of the TPU high-low temperature film composite cloth, which avoids the over-high cost of die sinking, is simple to operate, convenient to control, high in production efficiency, low in reject ratio and low in production cost, and can be used for large-scale production.
The purpose of the invention is realized by the following technical scheme: a processing method of TPU high-low temperature film composite cloth comprises the following steps:
(S1) placing the mould on a carrying table of hot-pressing equipment, and then placing the TPU high-low temperature film on the surface of the mould in a compounding way; wherein, one surface of the mould for placing the TPU high-low temperature film composite cloth is a concave-convex uneven surface;
(S2) laminating the soft heat-conducting layer of the hot-pressing equipment on the TPU high-low temperature film composite cloth to carry out hot-pressing treatment, so that the TPU high-low temperature film composite cloth is pressed with a mould and deforms;
(S3) after hot pressing, transferring the whole of the jig and the TPU high-low temperature film composite cloth to a carrying platform of a shaping device for film shaping treatment, and taking a film to obtain the stereoscopic TPU high-low temperature film composite cloth.
Preferably, a three-dimensional pattern formed by a plurality of bulges is distributed on one surface of the mould for placing the TPU high-low temperature film composite cloth.
Preferably, the height of the protrusions is 1-8 mm.
Preferably, the tool is formed by engraving a hard plate which can resist the high temperature of more than 250 ℃.
Preferably, the hard plate is a metal aluminum plate, a wood plate or an bakelite plate.
Preferably, the soft heat conduction layer is a heat conduction silica gel layer with the thickness of 10-20 mm.
Preferably, the jig is provided with a plurality of air vents, and the step (S2) further includes: and vacuumizing during the hot pressing treatment.
Preferably, the soft heat conduction layer is a heat conduction silica gel film with the thickness of 0.3-0.5 mm.
Preferably, the hot pressing treatment is carried out at the temperature of 135-150 ℃ for 30-45 s.
Preferably, in the step (S3), the film forming process is performed by cooling and forming for 15 to 25 seconds after the soft cooling layer of the forming equipment is laminated on the TPU high and low temperature film composite cloth.
The invention has the beneficial effects that: according to the processing method of the TPU high-low temperature film composite cloth, a tool with one uneven surface is combined with hot pressing equipment and shaping equipment, the TPU high-low temperature film composite cloth is subjected to hot pressing deformation and film shaping treatment, and the TPU high-low temperature film composite cloth is processed into the somatosensory TPU high-low temperature film composite cloth, so that the stereoscopic effect is achieved; if different stereoscopic impression effects are needed, the mould can be replaced, the manufacturing cost of the mould is far lower than the mould opening cost of the mould, the processing method replaces the method for manufacturing the stereoscopic impression TPU high-low temperature film composite cloth by adopting the mould, and the manufacturing cost is effectively saved.
Drawings
FIG. 1 is a front effect diagram of a three-dimensional TPU high-low temperature film composite cloth treated by the invention;
FIG. 2 is a reverse side effect diagram of the stereoscopic TPU high-low temperature film composite cloth treated by the method.
Detailed Description
For the understanding of those skilled in the art, the present invention will be further described with reference to the following examples and drawings, which are not intended to limit the present invention.
Example 1
A processing method of TPU high-low temperature film composite cloth comprises the following steps:
(S1) placing the mould on a carrying table of hot-pressing equipment, and then placing the TPU high-low temperature film on the surface of the mould in a compounding way; wherein, one surface of the mould for placing the TPU high-low temperature film composite cloth is a concave-convex uneven surface;
(S2) laminating the soft heat-conducting layer of the hot-pressing equipment on the TPU high-low temperature film composite cloth to carry out hot-pressing treatment, so that the TPU high-low temperature film composite cloth is pressed with a mould and deforms;
(S3) after hot pressing, transferring the whole of the jig and the TPU high-low temperature film composite cloth to a carrying platform of a shaping device for film shaping treatment, and taking a film to obtain the stereoscopic TPU high-low temperature film composite cloth.
According to the processing method of the TPU high-low temperature film composite cloth, a tool with one uneven surface is combined with hot pressing equipment and shaping equipment, the TPU high-low temperature film composite cloth is subjected to hot pressing deformation and film shaping treatment, and the TPU high-low temperature film composite cloth is processed into the somatosensory TPU high-low temperature film composite cloth, so that the stereoscopic effect is achieved; if different stereoscopic impression effects are needed, the mould can be replaced, the manufacturing cost of the mould is far lower than the mould opening cost of the mould, the processing method replaces the method for manufacturing the stereoscopic impression TPU high-low temperature film composite cloth by adopting the mould, and the manufacturing cost is effectively saved. Meanwhile, the stereoscopic TPU high-low temperature film composite cloth replaces the existing stereoscopic film which is composed of two film layers and a stereoscopic structure layer clamped between the two film layers, and the weight is lighter. More preferably, the hot pressing device is a hot press with a soft heat conduction layer.
In this embodiment, a plurality of three-dimensional patterns formed by protrusions are distributed on one surface of the manufacturing tool for placing the TPU high-low temperature film composite cloth.
By adopting the technical scheme, when the TPU high-low temperature film composite cloth is tightly attached to the surface of the manufacturing tool after being hot-pressed, the surface of the manufacturing tool is provided with the bulges, and the TPU high-low temperature film composite cloth also has the convex three-dimensional effect after being deformed, so that the TPU high-low temperature film composite cloth rich in three-dimensional sense can be formed.
In this embodiment, the height of the protrusions is 1-8 mm.
By adopting the technical scheme, the design can be carried out according to the preset three-dimensional effect, the plurality of bulges are designed to be the same or different in height, the prepared three-dimensional TPU high-low temperature film composite cloth has different visual experiences, and the TPU high-low temperature film composite cloth is particularly suitable for being applied to vamp design and breaks through the traditional plane vamp design.
In the embodiment, the tool is formed by engraving a hard plate which can resist the high temperature of more than 250 ℃; preferably, the hard plate is a metal aluminum plate, a wood plate or an bakelite plate; more preferably, the hard plate is a metal aluminum plate.
By adopting the technical scheme, the deformation of the tool in the hot pressing process is avoided.
In this embodiment, the soft heat conduction layer is a heat conduction silica gel layer with a thickness of 10-20 mm.
By adopting the technical scheme, the heat-conducting silicon adhesive layer has good deformation physical property, good heat-conducting property and high heat transfer efficiency, and is more favorable for promoting the deformation of the hot-pressing TPU high-low temperature film composite cloth; the thickness that sets up the heat conduction silica gel layer is at 10-20mm, is convenient for provide sufficient sunken thickness in order to promote the shaping of the compound cloth of third dimension TPU high low temperature membrane, and is preferred, soft heat conduction layer is the heat conduction silica gel layer that thickness is at 10mm, 12mm, 14mm, 15mm, 16mm, 18mm or 20mm, and is more preferred, soft heat conduction layer is the heat conduction silica gel layer that thickness is at 15 mm.
In this embodiment, the thermal pressing is performed at 135-150 ℃ for 30-45 s.
By adopting the technical scheme, the TPU high-low temperature film composite cloth is promoted to be pressed and heated to deform, and the processing efficiency is improved. Preferably, the temperature of the hot pressing treatment is 135 ℃, 140 ℃, 145 ℃ or 150 ℃, and the pressing time of the hot pressing treatment is 30s, 32s, 34s, 35s, 36s, 38s, 40s, 42s, 44s or 45 s; more preferably, the temperature of the hot pressing is 155 ℃ and the pressing time of the hot pressing is 35 s.
In this embodiment, in the step (S3), the film shaping process is to laminate the soft cooling layer of the shaping equipment to the TPU high and low temperature film composite fabric and then cool and shape; the cooling and setting time is 15-25 s.
By adopting the technical scheme, the contour of the stereoscopic TPU high-low temperature film composite cloth is kept, and secondary deformation caused by direct taking out after hot pressing is avoided. Preferably, the shaping equipment is a cold shaping machine or a cold vacuum negative pressure shaping machine; more preferably, the shaping equipment is a cold vacuum negative pressure shaping machine; the cooling forming time is 15s, 18s, 20s, 22s, 24s or 25 s; more preferably, the cooling and forming time is 20 s.
The stereoscopic TPU high-low temperature film composite cloth manufactured by the technical scheme of the invention is shown in figure 1-2, the front surface of the cloth is provided with a plurality of convex structures, and the back surface corresponding to the convex structures is provided with a concave structure.
Example 2
Example 2 differs from example 1 in that:
in this embodiment, the jig is provided with a plurality of air vents, and the step (S2) further includes: and vacuumizing during the hot pressing treatment. The hot pressing equipment is a vacuum hot negative pressure plastic uptake machine with a soft heat conducting layer.
By adopting the technical scheme, the TPU high-low temperature film composite cloth is promoted to be tightly propped against the surface of the manufacturing tool in the hot pressing process, the molding of the TPU high-low temperature film composite cloth is promoted, and the surface contour of the three-dimensional TPU high-low temperature film composite cloth is finer.
In this embodiment, the soft heat conducting layer is a heat conducting silicone film with a thickness of 0.3-0.5mm, and can deform along with the opening of the mold during the vacuum-pumping negative-pressure hot pressing process. Preferably, the soft heat conduction layer is a heat conduction silica gel film with the thickness of 0.4 mm.
The above-described embodiments are preferred implementations of the present invention, and the present invention may be implemented in other ways without departing from the spirit of the present invention.
Claims (10)
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011157612.3A CN112372995A (en) | 2020-10-26 | 2020-10-26 | Processing method of TPU high-low temperature film composite cloth |
| CN202111166775.2A CN113752527A (en) | 2020-10-26 | 2021-09-30 | Processing method of TPU high-low temperature film composite cloth |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011157612.3A CN112372995A (en) | 2020-10-26 | 2020-10-26 | Processing method of TPU high-low temperature film composite cloth |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112372995A true CN112372995A (en) | 2021-02-19 |
Family
ID=74576825
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011157612.3A Withdrawn CN112372995A (en) | 2020-10-26 | 2020-10-26 | Processing method of TPU high-low temperature film composite cloth |
| CN202111166775.2A Pending CN113752527A (en) | 2020-10-26 | 2021-09-30 | Processing method of TPU high-low temperature film composite cloth |
Family Applications After (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111166775.2A Pending CN113752527A (en) | 2020-10-26 | 2021-09-30 | Processing method of TPU high-low temperature film composite cloth |
Country Status (1)
| Country | Link |
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| CN (2) | CN112372995A (en) |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6749794B2 (en) * | 2001-08-13 | 2004-06-15 | R + S Technik Gmbh | Method and apparatus for molding components with molded-in surface texture |
| US9174365B2 (en) * | 2010-04-16 | 2015-11-03 | Tanazawa Hakkosha Co., Ltd. | Method of manufacturing a mold part |
| CN104228082B (en) * | 2013-06-08 | 2016-09-21 | 捷欣企业股份有限公司 | Molding methods of thermoplastic composites |
| TWI611770B (en) * | 2016-06-28 | 2018-01-21 | Wu Ci Lang | Leather-plastic composite forming method |
| CN108177355A (en) * | 2017-12-29 | 2018-06-19 | 平潭诚信智创科技有限公司 | A kind of preparation method of pattern stereoscopic composite artificial leather |
-
2020
- 2020-10-26 CN CN202011157612.3A patent/CN112372995A/en not_active Withdrawn
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2021
- 2021-09-30 CN CN202111166775.2A patent/CN113752527A/en active Pending
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| CN113752527A (en) | 2021-12-07 |
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Application publication date: 20210219 |