CN102794855B - Method for producing automotive hollow coatrack - Google Patents

Method for producing automotive hollow coatrack Download PDF

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Publication number
CN102794855B
CN102794855B CN201210300487.6A CN201210300487A CN102794855B CN 102794855 B CN102794855 B CN 102794855B CN 201210300487 A CN201210300487 A CN 201210300487A CN 102794855 B CN102794855 B CN 102794855B
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Prior art keywords
wood flour
flour board
woven fabrics
compounded
back side
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CN201210300487.6A
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CN102794855A (en
Inventor
卢琴
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WUXI JIXING AUTO PARTS CO Ltd
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WUXI JIXING AUTO PARTS CO Ltd
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  • Vehicle Interior And Exterior Ornaments, Soundproofing, And Insulation (AREA)
  • Blow-Moulding Or Thermoforming Of Plastics Or The Like (AREA)

Abstract

The invention relates to a method for producing an automotive hollow coatrack and belongs to the technical field of automotive upholstery. The method mainly comprises the following steps of base material baking heating, material laying, air-blowing molding, accessory installation and examination. The automotive hollow coatrack produced by the method comprises two wood powder plates. In molding, air is blown into a space between the two wood powder plates so that 70% of the automotive hollow coatrack is hollow and thus automotive hollow coatrack bearing requirements are satisfied without increasing of automotive hollow coatrack weight. A bearing capacity of the automotive hollow coatrack is more than 400N. A large proportion of the automotive hollow coatrack is hollow and thus a sound insulation property of the automotive hollow coatrack is good.

Description

The production method of automobile hollow hat rack
Technical field
The present invention relates to a kind of production method of vehicular coat and hat rack, especially a kind of production method of automobile hollow hat rack.
Background technology
Vehicular coat and hat rack is put and automobile rear, plays the effect of to shelve foreign material and beautifying automotive interior in automobile, belongs to automotive trim part.More and more pursuing high-performance, environment-friendly type, energy-saving, lightweight, personalized epoch, the interior trim of automobile is the same with the profile of automobile, becomes the key factor that people choose automobile.Therefore also more and more higher to the requirement of automotive upholstery.In the prior art, the performance indications such as high soundproof effect, high-mechanic of hat rack become bottleneck, govern the development of hat rack.Existing hat rack is all adopt wood flour board or numb plate and the direct assembly of fabric, and this kind of moulding process mainly also exists following problem: 1, sound insulation value is usually poor, does not reach requirement; 2, product structure is simple, yielding; 3, the rigidity of product and load-carrying properties poor.
Summary of the invention
The object of the invention is to overcome the deficiencies in the prior art, the production method of the automobile hollow hat rack that a kind of sound insulation value is good, not yielding, load-carrying properties are good is provided.
According to technical scheme provided by the invention, described automobile hollow hat rack production method comprises the steps:
A, the PP wood flour board back side being compounded with non-woven fabrics and PP wood flour board are sent into baking oven successively and are carried out baking temperature, oven temperature controls at 300 ~ 310 DEG C, dry warm time controling at 115 ~ 120 seconds, put hat rack decorative fabric well on fabric conveying mechanism upper berth simultaneously, prepare to send into above the counterdie in forming machine;
B, the PP wood flour board drying the back side after temperature and be compounded with non-woven fabrics is transported on the counterdie of mould by network chain, non-woven fabrics faces down, counterdie cavity surface is placed with blowing needle, the PP wood flour board that the back side of blowing needle periphery is compounded with non-woven fabrics presses down to overturn the mode pressed down by the pneumatic chuck on counterdie, blowing needle is punctured PP wood flour board that the back side is compounded with non-woven fabrics, upwards air-actuated turnover chuck opens, and exits counterdie mold cavity;
C, carry by network chain and be stacked on the back side be compounded with the PP wood flour board of non-woven fabrics and the top of air blowing needle point by drying the PP wood flour board after temperature;
After d, PP wood flour board stone, fabric conveying mechanism declines, and is laid on the upper surface of PP wood flour board by hat rack decorative fabric;
The patrix of e, forming machine presses down, edge PP wood flour board and the back side being compounded with the PP wood flour board of non-woven fabrics is bonded together, form an annular seal space between the PP wood flour board making PP wood flour board and the back side be compounded with non-woven fabrics, the Stress control of patrix is at 150 ~ 160MPa;
F, compressing after, to be compounded with toward PP wood flour board and the back side in the annular seal space formed between the PP wood flour board of non-woven fabrics by blowing needle and to blow, blow gas pressure controls at 0.5 ~ 0.6Mpa, blowing moulding time controling was at 70 ~ 80 seconds, the die cavity of the PP wood flour board and counterdie that make the back side be compounded with non-woven fabrics is fitted, the die cavity of PP wood flour board and patrix is fitted, and obtains hat rack semi-finished product;
G, on hat rack semi-finished product, install annex after, obtain hat rack finished product.
The invention solves the performance indications such as the sound insulation of hat rack assembly, carrying, thus improve the soundproof effect of hat rack, the requirement of load-carrying properties; Whole product has the position of about 70% to be hollow, is only solid less than the position of about 30%, has both solved the requirement of product load-carrying properties, do not increased again the weight of product.The load-carrying properties of the hat rack produced reach 400N.Because hat rack hollow part is many, so sound insulation value is also relatively good.
Detailed description of the invention
Below in conjunction with specific embodiment, the invention will be further described.
Embodiment 1
A kind of production method of automobile hollow hat rack comprises the steps:
A, the PP wood flour board back side being compounded with non-woven fabrics and PP wood flour board (Liang Zhong wood flour board manufacturer is all Changzhou Westone) are sent into baking oven successively and are carried out baking temperature, oven temperature controls at 300 ~ 310 DEG C, dry warm time controling at 115 ~ 120 seconds, put hat rack decorative fabric well on fabric conveying mechanism upper berth simultaneously, prepare to send into above the counterdie in forming machine;
B, the PP wood flour board drying the back side after temperature and be compounded with non-woven fabrics is transported on the counterdie of mould by network chain, non-woven fabrics faces down, counterdie cavity surface is placed with blowing needle, the PP wood flour board that the back side of blowing needle periphery is compounded with non-woven fabrics presses down to overturn the mode pressed down by the pneumatic chuck on counterdie, blowing needle is punctured PP wood flour board that the back side is compounded with non-woven fabrics, upwards air-actuated turnover chuck opens, and exits counterdie mold cavity;
C, carry by network chain and be stacked on the back side be compounded with the PP wood flour board of non-woven fabrics and the top of air blowing needle point by drying the PP wood flour board after temperature;
After d, PP wood flour board stone, fabric conveying mechanism declines, and is laid on the upper surface of PP wood flour board by hat rack decorative fabric;
The patrix of e, forming machine presses down, edge PP wood flour board and the back side being compounded with the PP wood flour board of non-woven fabrics is bonded together, form an annular seal space between the PP wood flour board making PP wood flour board and the back side be compounded with non-woven fabrics, the Stress control of patrix is at 150 ~ 160MPa;
F, compressing after, to be compounded with toward PP wood flour board and the back side in the annular seal space formed between the PP wood flour board of non-woven fabrics by blowing needle and to blow, blow gas pressure controls at 0.5 ~ 0.6Mpa, blowing moulding time controling was at 70 ~ 80 seconds, the die cavity of the PP wood flour board and counterdie that make the back side be compounded with non-woven fabrics is fitted, the die cavity of PP wood flour board and patrix is fitted, and obtains hat rack semi-finished product;
G, on hat rack semi-finished product, install annex after, obtain hat rack finished product.
H, sound insulation are 30 ~ 60dB when low frequency (250 ~ 2000Hz), are 60 ~ 68dB when intermediate frequency (2000 ~ 5000 Hz), are 68 ~ 75dB when high frequency (5000 ~ 10000 Hz); Bearing capacity is 458N.
Embodiment 2
A kind of production method of automobile hollow hat rack comprises the steps:
A, the PP wood flour board back side being compounded with non-woven fabrics and PP wood flour board (Liang Zhong wood flour board manufacturer is all Changzhou Westone) are sent into baking oven successively and are carried out baking temperature, oven temperature controls at 305 ~ 315 DEG C, dry warm time controling at 115 ~ 125 seconds, put hat rack decorative fabric well on fabric conveying mechanism upper berth simultaneously, prepare to send into above the counterdie in forming machine;
B, the PP wood flour board drying the back side after temperature and be compounded with non-woven fabrics is transported on the counterdie of mould by network chain, non-woven fabrics faces down, counterdie cavity surface is placed with blowing needle, the PP wood flour board that the back side of blowing needle periphery is compounded with non-woven fabrics presses down to overturn the mode pressed down by the pneumatic chuck on counterdie, blowing needle is punctured PP wood flour board that the back side is compounded with non-woven fabrics, upwards air-actuated turnover chuck opens, and exits counterdie mold cavity;
C, carry by network chain and be stacked on the back side be compounded with the PP wood flour board of non-woven fabrics and the top of air blowing needle point by drying the PP wood flour board after temperature;
After d, PP wood flour board stone, fabric conveying mechanism declines, and is laid on the upper surface of PP wood flour board by hat rack decorative fabric;
The patrix of e, forming machine presses down, edge PP wood flour board and the back side being compounded with the PP wood flour board of non-woven fabrics is bonded together, form an annular seal space between the PP wood flour board making PP wood flour board and the back side be compounded with non-woven fabrics, the Stress control of patrix is at 150 ~ 160MPa;
F, compressing after, to be compounded with toward PP wood flour board and the back side in the annular seal space formed between the PP wood flour board of non-woven fabrics by blowing needle and to blow, blow gas pressure controls at 0.4 ~ 0.6Mpa, blowing moulding time controling was at 75 ~ 80 seconds, the die cavity of the PP wood flour board and counterdie that make the back side be compounded with non-woven fabrics is fitted, the die cavity of PP wood flour board and patrix is fitted, and obtains hat rack semi-finished product;
G, on hat rack semi-finished product, install annex after, obtain hat rack finished product.
H, sound insulation are 30 ~ 58dB when low frequency (250 ~ 2000 Hz), are 58 ~ 67dB when intermediate frequency (2000 ~ 5000 Hz), are 67 ~ 76 dB when high frequency (5000 ~ 10000 Hz); Bearing capacity is 505N.
Embodiment 3
A kind of production method of automobile hollow hat rack comprises the steps:
A, the PP wood flour board back side being compounded with non-woven fabrics and PP wood flour board (Liang Zhong wood flour board manufacturer is all Changzhou Westone) are sent into baking oven successively and are carried out baking temperature, oven temperature controls at 310-320 DEG C, dry warm time controling in 110-120 second, put hat rack decorative fabric well on fabric conveying mechanism upper berth simultaneously, prepare to send into above the counterdie in forming machine;
B, the PP wood flour board drying the back side after temperature and be compounded with non-woven fabrics is transported on the counterdie of mould by network chain, non-woven fabrics faces down, counterdie cavity surface is placed with blowing needle, the PP wood flour board that the back side of blowing needle periphery is compounded with non-woven fabrics presses down to overturn the mode pressed down by the pneumatic chuck on counterdie, blowing needle is punctured PP wood flour board that the back side is compounded with non-woven fabrics, upwards air-actuated turnover chuck opens, and exits counterdie mold cavity;
C, carry by network chain and be stacked on the back side be compounded with the PP wood flour board of non-woven fabrics and the top of air blowing needle point by drying the PP wood flour board after temperature;
After d, PP wood flour board stone, fabric conveying mechanism declines, and is laid on the upper surface of PP wood flour board by hat rack decorative fabric;
The patrix of e, forming machine presses down, edge PP wood flour board and the back side being compounded with the PP wood flour board of non-woven fabrics is bonded together, form an annular seal space between the PP wood flour board making PP wood flour board and the back side be compounded with non-woven fabrics, the Stress control of patrix is at 150 ~ 160MPa;
F, compressing after, to be compounded with toward PP wood flour board and the back side in the annular seal space formed between the PP wood flour board of non-woven fabrics by blowing needle and to blow, blow gas pressure controls at 0.5 ~ 0.6Mpa, blowing moulding time controling was at 80 ~ 85 seconds, the die cavity of the PP wood flour board and counterdie that make the back side be compounded with non-woven fabrics is fitted, the die cavity of PP wood flour board and patrix is fitted, and obtains hat rack semi-finished product;
G, on hat rack semi-finished product, install annex after, obtain hat rack finished product.
H, sound insulation are 32 ~ 58dB when low frequency (250 ~ 2000 Hz), are 58-68dB when intermediate frequency (2000 ~ 5000 Hz), are 68 ~ 77 dB when high frequency (5000-10000 Hz); Bearing capacity is 480N.

Claims (1)

1. a production method for automobile hollow hat rack, is characterized in that this production method comprises the steps:
A, the PP wood flour board back side being compounded with non-woven fabrics and PP wood flour board are sent into baking oven successively and are carried out baking temperature, oven temperature controls at 310 ~ 320 DEG C, dry warm time controling at 110 ~ 120 seconds, put hat rack decorative fabric well on fabric conveying mechanism upper berth simultaneously, prepare to send into above the counterdie in forming machine;
B, the PP wood flour board drying the back side after temperature and be compounded with non-woven fabrics is transported on the counterdie of mould by network chain, non-woven fabrics faces down, counterdie cavity surface is placed with blowing needle, the PP wood flour board that the back side of blowing needle periphery is compounded with non-woven fabrics presses down to overturn the mode pressed down by the pneumatic chuck on counterdie, blowing needle is punctured PP wood flour board that the back side is compounded with non-woven fabrics, upwards air-actuated turnover chuck opens, and exits counterdie mold cavity;
C, carry by network chain and be stacked on the back side be compounded with the PP wood flour board of non-woven fabrics and the top of air blowing needle point by drying the PP wood flour board after temperature;
After d, PP wood flour board stone, fabric conveying mechanism declines, and is laid on the upper surface of PP wood flour board by hat rack decorative fabric;
The patrix of e, forming machine presses down, edge PP wood flour board and the back side being compounded with the PP wood flour board of non-woven fabrics is bonded together, form an annular seal space between the PP wood flour board making PP wood flour board and the back side be compounded with non-woven fabrics, the Stress control of patrix is at 150 ~ 160MPa;
F, compressing after, to be compounded with toward PP wood flour board and the back side in the annular seal space formed between the PP wood flour board of non-woven fabrics by blowing needle and to blow, blow gas pressure controls at 0.5 ~ 0.6Mpa, blowing moulding time controling was at 70 ~ 80 seconds, the die cavity of the PP wood flour board and counterdie that make the back side be compounded with non-woven fabrics is fitted, the die cavity of PP wood flour board and patrix is fitted, and obtains hat rack semi-finished product;
G, on hat rack semi-finished product, install annex after, obtain hat rack finished product.
CN201210300487.6A 2012-08-23 2012-08-23 Method for producing automotive hollow coatrack Active CN102794855B (en)

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Application Number Priority Date Filing Date Title
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Application Number Priority Date Filing Date Title
CN201210300487.6A CN102794855B (en) 2012-08-23 2012-08-23 Method for producing automotive hollow coatrack

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CN102794855B true CN102794855B (en) 2015-01-21

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Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101332839A (en) * 2008-06-23 2008-12-31 刘明春 Production method of vehicle back-shelf board
CN101954774A (en) * 2010-09-09 2011-01-26 无锡吉兴汽车声学部件科技有限公司 Productive technology of automobile rear shelf
CN101961996A (en) * 2010-08-26 2011-02-02 无锡吉兴汽车声学部件科技有限公司 Method for producing automotive rear shelf
CN102642503A (en) * 2012-04-16 2012-08-22 芜湖尚唯汽车饰件有限公司 Automobile coat and hat rack and manufacturing method thereof

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101332839A (en) * 2008-06-23 2008-12-31 刘明春 Production method of vehicle back-shelf board
CN101961996A (en) * 2010-08-26 2011-02-02 无锡吉兴汽车声学部件科技有限公司 Method for producing automotive rear shelf
CN101954774A (en) * 2010-09-09 2011-01-26 无锡吉兴汽车声学部件科技有限公司 Productive technology of automobile rear shelf
CN102642503A (en) * 2012-04-16 2012-08-22 芜湖尚唯汽车饰件有限公司 Automobile coat and hat rack and manufacturing method thereof

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