CN101830188B - Method for producing automotive sound-absorption and heat-insulation integrated carpet - Google Patents

Method for producing automotive sound-absorption and heat-insulation integrated carpet Download PDF

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Publication number
CN101830188B
CN101830188B CN2010101815995A CN201010181599A CN101830188B CN 101830188 B CN101830188 B CN 101830188B CN 2010101815995 A CN2010101815995 A CN 2010101815995A CN 201010181599 A CN201010181599 A CN 201010181599A CN 101830188 B CN101830188 B CN 101830188B
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China
Prior art keywords
absorption
heat
sound
insulation
baking
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CN2010101815995A
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Chinese (zh)
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CN101830188A (en
Inventor
陈别锐
侯建利
张耀辉
钟长乐
王立刚
毛崔亮
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宝鸡市天瑞汽车内饰件有限公司
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Publication of CN101830188A publication Critical patent/CN101830188A/en
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Abstract

The invention relates to a method for producing an automotive sound-absorption and heat-insulation integrated carpet and belongs to the technical field of automotive interior decorations. In the method, an environmentally-friendly 3.5 millimeter (including 0.8 millimeters of a toughening layer, 2.5 millimeters of a foaming layer and 0.2 millimeter of a bottom film protective layer) PVC foamed leather is mainly used and subjected to heating, baking, vacuum forming, cooling forming, 8 millimeter cotton-based sound-absorption and heat-insulation carpet compression and lamination, shearing, hole making, punching and inspection to produce a finished product. The method solves and improves the indexes, such as sound absorption, heat insulation, dust prevention, attractive appearance and easy cleaning, of the automotive carpet and makes the automotive carpet reach international advanced level-III and meet the design requirements on environmental protection, attractive appearance, comfortableness, sound absorption and heat insulation of an automotive cab. In a plastic absorption process, a pneumatic pre-feeding device is used to ensure the thickness of the foamed leather on the highly-stretched part of the large section of the product, so the overall quality of the product is improved, the quality consistency of the product is guaranteed, the production efficiency is improved greatly and the labor intensity is relieved greatly. The compression and lamination of the sound-absorption and heat-insulation carpet improve the sound and heat insulation performance of the product and make the appearance of the product smooth and elegant and touch comfortable. In the while production process of the product, no harmful matter is produced, and the product is an environmentally-friendly product.

Description

A kind of production method of automotive sound-absorption and heat-insulation integrated carpet
Technical field
The present invention relates to a kind of production method of automotive sound-absorption and heat-insulation integral type carpet, be used to be installed in the indoor carpet of vehicle drive specifically, is integral structure, and the effect of play sound-absorption and heat-insulation, preventing dust and beautifying belongs to the automotive upholstery technical field.
Background technology
Automotive upholstery generally is installed on the vehicle drive chamber interior, plays and beautifies indoor environment, the antisoiling effect of sound-absorption and heat-insulation of driving.Along with the requirements at the higher level of people to the vehicle drive room environmental, environmental protection, attractive in appearance, comfortable, personalization are the basic demands to automotive upholstery.In the prior art, the carpet of automobile is foam process production, polylith is spliced, and the sound-absorption and heat-insulation performance can not get obvious raising, dustproof weak effect, and easy to clean does not influence overall appearance, and productive costs is higher, and production environment can not get improving.
Summary of the invention
The objective of the invention is to improve above-mentioned weak point, thereby provide a kind of foaming leather after heated baking, suction moulding, to press attached applying sound-absorption and heat-insulation felt again, solved the sound-absorption and heat-insulation problem of carpet, reached 3 grades of international forward position levels; Its integral design has satisfied operator's compartment characteristic attractive in appearance, personalized, easy to clean, greatly reduces productive costs, and the product whole process of production does not have objectionable impurities to produce, and belongs to the car carpeting production method of environment-friendly products.
Specifically, a kind of production method of automotive sound-absorption and heat-insulation integral type carpet, it is to adopt following production craft step:
(1), heated baking: the foaming leather is put into the baking oven baking, and oven temperature is set: outer ring 300-340 ℃, inner ring 270-310 ℃, center 250-290 ℃, heating pipe is apart from baking material pallet 350-450mm; Stoving time: positive 60-20 second, reverse side 80-40 second;
(2), the suction moulding: use pre-pay-off to send on material back suction, evacuated pressure is set :-0.04~-0.06Mpa, molding time is not more than 5 seconds;
(3), cooling and shaping: spray cooling water expansion tank, rapid cooling products surface, the position that stretches big increasing cooling water inflow;
(4), press attached applying: glue is covered at the sound-absorption and heat-insulation felt back side, and the attached foaming leather back side that is fitted in is pressed in the back, location;
(5), cut perforate: cutting cutting edge on the frock, perforate, punching;
(6), check: after the assay was approved, put in storage.
Compared with the prior art the present invention has the following advantages:
The present invention is an one-piece construction, performance figure such as the sound-absorption and heat-insulation of operator's compartment carpet, attractive in appearance, personalized, dustproof, easy to clean, sense of touch be comfortable have been solved, reach three grades of international most advanced levels, satisfied the designing requirement of automobile cab environmental protection, beautiful and comfortable, sound-insulating and heat-insulating; In the plastic uptake operation, adopted pneumatic pre-pay-off, guaranteed the foaming leather thickness at the big stretching of the big profile of product position, improve the total quality of product and guaranteed the conformability of product design, improved production efficiency greatly simultaneously, reduced labour intensity, productive costs has obtained reducing significantly; The sound-insulating and heat-insulating felt is pressed attached applying, has not only improved the product sound isolating and heat insulating performance, makes simultaneously that product appearance is smoothly attractive in appearance, sense of touch is comfortable; Product whole process of production unharmful substance produces, and belongs to environment-friendly products.
Description of drawings
The automotive sound-absorption and heat-insulation integral type carpet laminar texture scheme drawing that Fig. 1 produces for the present invention.
Fig. 2 is the carpet monnolithic case figure that the present invention produced.
The specific embodiment
The production craft step of automotive sound-absorption and heat-insulation integrated carpet of the present invention is as follows:
(1), heated baking: foaming leather is put into the baking oven baking, and oven temperature is set: 320 ℃ of outer rings, 290 ℃ of inner rings, 270 ℃ at center, heating pipe is apart from baking material pallet 400mm; Stoving time: positive 40 seconds, reverse side 60 seconds;
(2), the suction moulding: use pre-pay-off to send on material back suction, evacuated pressure is set :-0.04~-0.06Mpa, molding time 5 seconds;
(3), cooling and shaping: spray cooling water expansion tank, rapid cooling products surface, the position that stretches big increasing cooling water inflow;
(4), press attached applying: glue is covered at the sound-absorption and heat-insulation felt back side, and the attached foaming leather back side that is fitted in is pressed in the back, location;
(5), cut perforate: cutting cutting edge on the frock, perforate, punching;
(6), check: after the assay was approved, put in storage.
Is certain brand heavy duty truck integral type sound-absorption and heat-insulation integral type carpet as Fig. 2 for adopting technology of the present invention, and its production craft step is as follows:
Carpet specification L1475*W2200mm, profile as shown in Figure 2,1-copilot foot pad; The right seat carpet of 2-; Carpet behind the 3-; The 4-gas handle hole of stopping; 5-gear-change hand lever hole; 6-left side seat carpet; 7-chaufeur foot pad; 8-turns to axis hole; 9-driving engine hood pad.
Antenatal preparation: open and check vacuum pump system, air compressor system, baking oven.Vacuum pressure settings: the upper limit-0.04Mpa, lower limit-0.060Mpa; Air compressor pressure is set: upper limit 0.5Mpa, lower limit 0.3Mpa; Oven temperature is set: 320 ℃ of outer rings, 290 ℃ of inner rings, 270 ℃ at center; After treating that each parameter reaches setting value, promptly possesses working condition.Preparation process: 1, foaming corium material baking: 3.5mm foaming corium material (L2550*W1580mm) faces up and is tiled on the baking oven pallet, push the baking oven baking and pull out rapid stirring after 40 seconds, reverse side is tiled on the baking oven pallet up, push baking oven and toast again after 60 seconds and pull out, work being laid on the suction mould by the rapid platform of four-player.2, suction moulding: the operative employee operates pneumatic pre-pay-off rapidly, to the maximum pre-feeding of two sharp corners that stretches, open the extraction valve suction immediately after being fed to the position in advance, the operator notes handling periphery gas leakage and foaming leather discounting problem in the aspiration procedure, with the impression type matrix product mark is stamped in assigned position simultaneously, aftershaping finished in about 3 seconds.3, cooling and shaping: with 4 the rapid spray products of shower nozzle pressurization atomizing cooling water expansion tank surfaces, cooling water inflow is strengthened at the position that stretches big; 4, press attached applying: the sound-absorption and heat-insulation felt of glue is covered at the back side, is divided into 11, by pressing the attached foaming leather back side that is fitted in, the smooth middle no gas bag of fitting after the location positioning separately.About 3 minutes of aforementioned four step times spent finished.5, cut perforate: the product that will post the sound-absorption and heat-insulation felt is lifted to be placed on and is cut on the frock, along the cutting edge of cutting edge line, open 1 of 4 of big square holes and big hole, uses hollow punch ∮ 20 and ∮ 25 towards totally 25 of small sircle holes simultaneously; 6, check: Interventions Requested 1. oad, position, hole and hole size dimensional measurement adhere to specification; 2. the clearly demarcated size conforms designing requirement of the crest line of Yao Qiuing; 3. product appearance do not have give a discount wrinkling, do not have and scratch the no bulge of leather of breaking, foam and spend that type does not have destruction, totally color and luster unanimity, surface clean do not have dirt; 4. be placed on the cubing and detect docile, the every size of profile and coincide.Check the qualified back of every index finished product warehouse-in.
Fig. 1 has provided the laminar texture of automotive sound-absorption and heat-insulation integral type carpet of the present invention, and it foams leather as main material layer by PVC, presses the attached cotton basic sound-absorption and heat-insulation felt 1-4 formation that is fitted with at the PVC foaming leather back side.The PVC foaming leather that adopts has toughening layer 1-1, foaming layer 1-2, counterdie protective cover 1-3; And in the middle of foaming layer 1-2 was positioned at, toughening layer 1-1 and counterdie protective cover 1-3 were compounded in foaming layer 1-2 upper and lower surface respectively.As the PVC of main material layer foaming leather thickness is 3.5mm, toughening layer 0.8mm wherein, and foaming layer 2.5mm, counterdie protective cover 0.2mm, it is 8mm that the cotton basic sound-absorption and heat-insulation felt 1-4 of attached applying is pressed at the PVC foaming leather back side.
The equipment that adopts among the present invention is conventional equipment, and raw MAT'L is purchased by the home market.

Claims (5)

1. the production method of an automotive sound-absorption and heat-insulation integral type carpet is characterized in that adopting following production craft step:
(1), heated baking: the foaming leather is put into the baking oven baking, and oven temperature is set: outer ring 300-340 ℃, inner ring 270-310 ℃, center 250-290 ℃, heating pipe is apart from baking material pallet 350-450mm; Stoving time: positive 60-20 second, reverse side 80-40 second;
(2), the suction moulding: use pre-pay-off that the two sharp corner filling-foams leather that stretches maximum is carried out aspirating after the pre-feeding, evacuated pressure is set :-0.04~-0.06Mpa, molding time is not more than 5 seconds;
(3), cooling and shaping: spray cooling water expansion tank, rapid cooling products surface, the position that stretches big increasing cooling water inflow;
(4), press attached applying: glue is covered at the sound-absorption and heat-insulation felt back side, and the attached foaming leather back side that is fitted in is pressed in the back, location;
(5), cut perforate: cutting cutting edge on the frock, perforate, punching;
(6), check: after the assay was approved, put in storage.
2. the production method of a kind of automotive sound-absorption and heat-insulation integral type carpet according to claim 1, the foaming leather is put into the baking oven baking when it is characterized in that in the step (1) heated baking, oven temperature is set: outer ring 315-325 ℃, inner ring 285-295 ℃, center 265-275 ℃, heating pipe is apart from baking material pallet 390-410mm; Stoving time: positive 30 seconds, reverse side 70-50 second.
3. the production method of a kind of automotive sound-absorption and heat-insulation integral type carpet according to claim 1, the foaming leather is put into the baking oven baking when it is characterized in that in the step (1) heated baking, and oven temperature is set: 320 ℃ of outer rings, 290 ℃ of inner rings, 270 ℃ at center, heating pipe is apart from baking material pallet 400mm; Stoving time: positive 40 seconds, reverse side 60 seconds.
4. according to the production method of any described a kind of automotive sound-absorption and heat-insulation integral type carpet of claim 1-3; it is characterized in that described foaming leather selects the thick environment-friendly type foaming of 3-4mm people leather for use; its toughening layer 0.5-1mm; foaming layer 2-3mm; counterdie protective cover 0.1-0.3mm, sound-absorption and heat-insulation felt select the cotton basic sound-absorption and heat-insulation felt of free of contamination 6-10mm for use.
5. the production method of a kind of automotive sound-absorption and heat-insulation integral type carpet according to claim 4; it is characterized in that described foaming leather selects the thick environment-friendly type foaming of 3.5mm people leather for use; its toughening layer 0.8mm; foaming layer 2.5mm; counterdie protective cover 0.2mm, sound-absorption and heat-insulation felt select the cotton basic sound-absorption and heat-insulation felt of free of contamination 8mm for use.
CN2010101815995A 2010-05-24 2010-05-24 Method for producing automotive sound-absorption and heat-insulation integrated carpet CN101830188B (en)

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Publication number Priority date Publication date Assignee Title
CN102442000A (en) * 2011-09-10 2012-05-09 无锡吉兴汽车部件有限公司 Method for producing automobile front-wall sound-insulating pad
CN102815107A (en) * 2012-08-06 2012-12-12 常熟英提尔汽车饰件有限公司 High-frequency hot-pressing technology for airbag mark on skin of automobile instrument panel
CN103300685B (en) * 2013-07-01 2015-05-06 广西鑫深科技有限公司 Circulatory carpet forming production line
CN103317710B (en) * 2013-07-04 2015-10-07 柳州裕信方盛汽车饰件有限公司 Carpet shaping automation production system
CN105346095A (en) * 2015-12-10 2016-02-24 长春一汽富晟汽车毯业有限公司 One-time adsorbing and foaming method of PVC automotive carpet
CN107097507B (en) * 2017-04-14 2018-10-23 浙江宝威纺织股份有限公司 A kind of sponge carpet processing method

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CN1605497A (en) * 2003-10-10 2005-04-13 裕盛工业股份有限公司 Manufacturing method of integrated formed type automobile carpet and products thereof
CN101612788A (en) * 2009-06-30 2009-12-30 无锡吉兴汽车声学部件科技有限公司 A kind of production method of auto sound-insulating and thermal-insulating pad
CN101654084A (en) * 2009-09-07 2010-02-24 无锡吉兴汽车声学部件科技有限公司 Method for producing car heat insulating pad

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US20030096079A1 (en) * 2001-11-21 2003-05-22 Anthony Messina Sound attenuating/absorbing laminates and methods of making same
JP2008044459A (en) * 2006-08-11 2008-02-28 Scientex Polymer Japan Co Ltd Automotive sound absorption mat and its manufacturing method

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CN1605497A (en) * 2003-10-10 2005-04-13 裕盛工业股份有限公司 Manufacturing method of integrated formed type automobile carpet and products thereof
CN101612788A (en) * 2009-06-30 2009-12-30 无锡吉兴汽车声学部件科技有限公司 A kind of production method of auto sound-insulating and thermal-insulating pad
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Free format text: CORRECT: INVENTOR; FROM: CHEN BIERUI HOU JIANLI ZHANG YAOHUI ZHONG CHANGLE WANG LIGANG MAO CUILIANG TO: CHEN BIERUI HOU YUQIAN ZHONG CHANGLE

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Owner name: XI'AN TIANRUI AUTOMOBILE INTERIORS CO., LTD.

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Inventor after: Chen Bierui

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Inventor after: Zhong Changle

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