CN203611540U - Mould capable of eliminating wrinkles on non-woven fabric of interior trimming ceiling back layer - Google Patents

Mould capable of eliminating wrinkles on non-woven fabric of interior trimming ceiling back layer Download PDF

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Publication number
CN203611540U
CN203611540U CN201320854070.4U CN201320854070U CN203611540U CN 203611540 U CN203611540 U CN 203611540U CN 201320854070 U CN201320854070 U CN 201320854070U CN 203611540 U CN203611540 U CN 203611540U
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CN
China
Prior art keywords
mould
counterdie
pin nail
backing layer
wrinkles
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.)
Expired - Lifetime
Application number
CN201320854070.4U
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Chinese (zh)
Inventor
张冰
夏毅
李国威
余丹丹
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WUXI ZHENGHAI AUTOMOTIVE INTERIORS CO Ltd
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WUXI ZHENGHAI AUTOMOTIVE INTERIORS CO Ltd
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Publication date
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Priority to CN201320854070.4U priority Critical patent/CN203611540U/en
Application granted granted Critical
Publication of CN203611540U publication Critical patent/CN203611540U/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Abstract

The utility model discloses a mould capable of eliminating wrinkles on the non-woven fabric of an interior trimming ceiling back layer, and belongs to the field of compression molding moulds of automobile ceilings. The mould comprises a lower mould and an upper mould, wherein the two sides of the lower mould are lower mould invalid zones, and the middle of the lower mould is a lower mould cavity; N needle nails are arranged in the lower mould invalid zones; the needle nails are arranged in the lower mould cavity in the direction perpendicular to the generation direction of the wrinkles; the distance between the needle nails and the wrinkles are 50-500 mm; holes are formed in the upper mould and in positions corresponding to the upper mould needle nails. According to the utility model, the forming mould is improved, and the problem of wrinkles is solved by releasing stress, so that the ceiling receives force uniformly during finished automobile assembly, and the phenomenon of overall ceiling wrinkle caused by stress concentration due to local wrinkles is solved.

Description

A kind of mould of eliminating the discounting of inner decorative ceiling backing layer nonwoven
Technical field
The present invention relates to a kind of compression molding die of roof of the vehicle, relate in particular to a kind of mould that inner decorative ceiling backing layer nonwoven gives a discount of eliminating.
Background technology
Automotive interior roof has dry method, two kinds of production technologies of wet method at present.In moulding (or pressure shell) flow process of two technique circuits, base material to be sent into heating furnace be heated to 250-350 ℃, PE rubber powder or PP glued membrane are melted again and make various composition materials softening, then softening base material is sent into 15-25 ℃ of mould of water-cooled, use the pressure of 7-12MPa, base material again solidifies and moulding in mould.In this process, there is backing layer substrate cockle in the larger position of impact, especially deformation quantity that material softening sizing in mould can be subject to die modeling.Backing layer substrate cockle can cause ceiling local pressure inhomogeneous, affects car load assembly quality, and serious fold can print to ceiling front, and product appearance is impacted.
The mode that solves at present this fold mostly is raising furnace temp, is that sheet material is fully softened.But this mode can be because substrate material unstable be caused the unstable of product.Base material is made up of materials such as PE or PP rubber powder, PU sheet material, glass, nonwoven, and the number of PE or PP rubber powder content, thickness and the density of PU sheet material, that glass spreads the uniformity of spilling is all very responsive to temperature.But the more difficult accurate assurance of debugging temperature, temperature is on the low side, causes substrate cockle to eliminate; The higher substrate surface temperature causing of temperature debugging is too high, base material is damaged or by boiling hotization of fabric, cause finished product ceiling appearance damage.
Summary of the invention
the problem that 1, will solve
The present invention is directed to automotive interior roof backing layer substrate cockle generally adopts the mode of debugging furnace temp to solve, and there is the problem of difficult control of temperature in which, meeting that temperature is on the low side causes substrate cockle to solve, excess Temperature can cause sheet material Local Damaged, the invention provides a kind of mould that inner decorative ceiling backing layer nonwoven gives a discount of eliminating, it is by improving mould, on mould, discharge stress and solve fold problem, make ceiling in the time that car load assembles, stressed evenly, solved and produced ceiling entirety because partial drape causes stress to be concentrated and discount and resemble.
2, technical scheme
For addressing the above problem, the present invention adopts following technical scheme.
Eliminate the mould that inner decorative ceiling backing layer nonwoven gives a discount, comprise counterdie and patrix, described counterdie both sides are counterdie inactive area, and centre is counterdie die cavity; Described counterdie inactive area is provided with N root pin nail; Described pin nail is arranged in counterdie die cavity and produces the vertical direction of fold, and pin nail is 50 ~ 500mm from the distance of fold; On described patrix, be provided with hole with the correspondence position of patrix pin nail.
Preferably, the diameter of described pin nail is 2 ~ 12mm.
Preferably, described bore dia is 6 ~ 16mm.
Preferably, described hole depth is greater than pin nail and is exposed to the length on mould.
Preferably, described pin nail adopts super glue bonding with hole.
Preferably, described counterdie and patrix are all evenly distributed with 4 locating slots.
Wherein pin is followed closely and is not limited with quantity and the particular location of its corresponding aperture, according to ceiling backing layer nonwoven discounting position and fold orientation determination, as long as there is the position of discounting on nonwoven, in the vertical direction that produces fold, position from fold close to arranges pin nail, and position, the quantity in the hole of patrix are followed closely corresponding with patrix counterdie pin.
Operating procedure of the present invention: (1) first, determines position and fold direction that ceiling backing layer nonwoven gives a discount; (2) secondly, in the vertical direction of fold, mould one side nearer apart from fold position, counterdie inactive area is got a little, the row labels of going forward side by side; (3) the 3rd, add in mark position the pin nail that diameter is 2 ~ 12mm, the correspondence position of corresponding mold beats with electric drill the hole that diameter is 6 ~ 16mm, then pin nail and die hole is bondd by super glue.Wherein patrix aperture is compared with the large 4mm of the corresponding pin nail diameter of bed die, and hole site depth need be greater than pin nail and be exposed to the length on mould; (4) after above work, can carry out the compacting of ceiling.
3, beneficial effect
Produce the vertical direction of fold at inner decorative ceiling backing layer nonwoven, and apart from being respectively equipped with hole and pin nail on the nearer patrix in fold position and counterdie, improve mould, on mould, discharge stress and solve fold problem, make ceiling in the time that car load assembles, stressed even, and can guarantee to solve rear nothing repeatedly, reach the effect of disposable thorough elimination.Avoid causing mould pressing process repeatedly to debug because of eradicating, production efficiency gets a promotion, and has also saved power consumption simultaneously.
Accompanying drawing explanation
Fig. 1 is lower die structure schematic diagram of the present invention;
Fig. 2 is upper die structure schematic diagram of the present invention.
Number in the figure explanation: 1, counterdie; 2, patrix; 10, counterdie inactive area; 12, pin nail; 13, counterdie die cavity; 14, locating slot; 15, fold.
The specific embodiment
For further understanding content of the present invention, describe the present invention below in conjunction with Figure of description and specific embodiment.
embodiment 1
Eliminate the mould that inner decorative ceiling backing layer nonwoven gives a discount, comprise counterdie 1 and patrix 2, counterdie 1 both sides are counterdie inactive area 10, and centre is counterdie die cavity 13; Counterdie inactive area 10 is provided with 12 pin nails 12,6 of every sides; Pin nail 12 is arranged in counterdie die cavity 13 and produces the vertical direction of fold 15, and pin nail 12 distances from fold 15 are 250mm; On patrix 2, be provided with hole 20 with the correspondence position of patrix pin nail 12.
In addition, hole 20 degree of depth are greater than pin nail 12 length that are exposed on mould.
As a kind of optimal way, the diameter of described pin nail 12 is 6mm, and hole 20 diameters are 10mm.
As another kind of optimal way, described pin nail 12 adopts super glue bonding with hole 20, and pin nail 12 can be firmly secured in hole 20, guarantees in pressing process, and pin nail 12 rocks and the fold that produces.
As another kind of optimal way, described counterdie 1 and patrix 2 are all evenly distributed with 4 locating slots 14, can guarantee the pressing more accurately of patrix and counterdie, equally also can reduce the generation of fold.
First, determine position and fold direction that ceiling backing layer nonwoven gives a discount, then in the vertical direction of fold 15, mould one side nearer apart from fold 15 positions, counterdie inactive area 10 is got a little, the row labels of going forward side by side;
Again then, add in mark position the pin nail that diameter is 6mm, the correspondence position of corresponding mold beats with electric drill the hole 20 that diameter is 10mm, in pin nail 12 and die hole 20, bonds by super glue.
After more than having worked, can carry out the compacting of ceiling.Because produce the vertical direction of fold at inner decorative ceiling backing layer nonwoven, and apart from being respectively equipped with hole 20 and pin nail 12 on the nearer patrix 2 in fold position and counterdie 1, follow closely 12 by pin and on mould, discharge stress, make ceiling in the time that car load assembles, stressed even, thus fold problem solved.
embodiment 2
With embodiment 1, difference is that pin nail 12 distances from fold 15 are 50mm, and the diameter of described pin nail 12 is 2mm, and hole 20 diameters are 6mm.
embodiment 3
With embodiment 1, difference is that difference is that pin nail 12 distances from fold 15 are 500mm, and the diameter of described pin nail 12 is 12mm, and hole 20 diameters are 16mm.

Claims (6)

1. can eliminate the mould that inner decorative ceiling backing layer nonwoven gives a discount, comprise counterdie (1) and patrix (2), it is characterized in that, described counterdie (1) both sides are counterdie inactive area (10), and centre is counterdie die cavity (13); Described counterdie inactive area (10) is provided with N root pin nail (12); Described pin nail (12) is arranged in the vertical direction of counterdie die cavity (13) generation fold (15), and pin nail (12) is 50 ~ 500mm from the distance of fold (15); Described patrix (2) correspondence position upper and patrix pin nail (12) is provided with hole (20).
2. a kind of mould that inner decorative ceiling backing layer nonwoven gives a discount of eliminating according to claim 1, is characterized in that, the diameter of described pin nail (12) is 2 ~ 12mm.
3. a kind of mould that inner decorative ceiling backing layer nonwoven gives a discount of eliminating according to claim 1, is characterized in that, described hole (20) diameter is 6 ~ 16mm.
4. a kind of mould that inner decorative ceiling backing layer nonwoven gives a discount of eliminating according to claim 1, is characterized in that, described hole (20) degree of depth is greater than pin nail (12) and is exposed to the length on mould.
5. according to a kind of mould of eliminating the discounting of inner decorative ceiling backing layer nonwoven described in any one in claim 1-4, it is characterized in that, described pin nail (12) adopts super glue bonding with hole (20).
6. a kind of mould that inner decorative ceiling backing layer nonwoven gives a discount of eliminating according to claim 1, is characterized in that, described counterdie (1) and patrix (2) are all evenly distributed with 4 locating slots (14).
CN201320854070.4U 2013-12-24 2013-12-24 Mould capable of eliminating wrinkles on non-woven fabric of interior trimming ceiling back layer Expired - Lifetime CN203611540U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201320854070.4U CN203611540U (en) 2013-12-24 2013-12-24 Mould capable of eliminating wrinkles on non-woven fabric of interior trimming ceiling back layer

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201320854070.4U CN203611540U (en) 2013-12-24 2013-12-24 Mould capable of eliminating wrinkles on non-woven fabric of interior trimming ceiling back layer

Publications (1)

Publication Number Publication Date
CN203611540U true CN203611540U (en) 2014-05-28

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112537051A (en) * 2020-04-28 2021-03-23 廊坊市飞泽复合材料科技有限公司 Composite material forming die with adjustable clamping device and forming method

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112537051A (en) * 2020-04-28 2021-03-23 廊坊市飞泽复合材料科技有限公司 Composite material forming die with adjustable clamping device and forming method
CN112537051B (en) * 2020-04-28 2023-08-18 廊坊市飞泽复合材料科技有限公司 Composite material forming die with adjustable clamping device and forming method

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Date Code Title Description
C14 Grant of patent or utility model
GR01 Patent grant
PE01 Entry into force of the registration of the contract for pledge of patent right

Denomination of utility model: Mould capable of eliminating wrinkles on non-woven fabric of interior trimming ceiling back layer

Effective date of registration: 20190628

Granted publication date: 20140528

Pledgee: Wuhu Yangzi rural commercial bank Limited by Share Ltd.

Pledgor: WUXI ZHENGHAI AUTOMOTIVE INTERIOR CO.,LTD.

Registration number: 2019340000314

PE01 Entry into force of the registration of the contract for pledge of patent right
PC01 Cancellation of the registration of the contract for pledge of patent right

Date of cancellation: 20201202

Granted publication date: 20140528

Pledgee: Wuhu Yangzi rural commercial bank Limited by Share Ltd.

Pledgor: WUXI ZHENGHAI AUTOMOTIVE INTERIOR Co.,Ltd.

Registration number: 2019340000314

PC01 Cancellation of the registration of the contract for pledge of patent right
CX01 Expiry of patent term

Granted publication date: 20140528

CX01 Expiry of patent term