CN105196474B - Injection molding method of the vehicle door interior trim panel with soft epidermis and thread - Google Patents
Injection molding method of the vehicle door interior trim panel with soft epidermis and thread Download PDFInfo
- Publication number
- CN105196474B CN105196474B CN201510647582.7A CN201510647582A CN105196474B CN 105196474 B CN105196474 B CN 105196474B CN 201510647582 A CN201510647582 A CN 201510647582A CN 105196474 B CN105196474 B CN 105196474B
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- China
- Prior art keywords
- epidermis
- thread
- mould
- interior trim
- injection molding
- 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 - Fee Related
Links
- 210000002615 epidermis Anatomy 0.000 title claims abstract description 73
- 238000001746 injection moulding Methods 0.000 title claims abstract description 17
- 238000009958 sewing Methods 0.000 claims abstract description 30
- 238000002347 injection Methods 0.000 claims abstract description 15
- 239000007924 injection Substances 0.000 claims abstract description 15
- 238000000465 moulding Methods 0.000 claims abstract description 5
- 238000007666 vacuum forming Methods 0.000 claims description 14
- 238000000034 method Methods 0.000 claims description 11
- 238000010438 heat treatment Methods 0.000 claims description 9
- 238000001816 cooling Methods 0.000 claims description 4
- 230000007246 mechanism Effects 0.000 claims description 4
- 210000003491 skin Anatomy 0.000 claims description 3
- 238000012512 characterization method Methods 0.000 claims description 2
- 239000000498 cooling water Substances 0.000 claims description 2
- 238000009987 spinning Methods 0.000 claims description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 2
- 239000000463 material Substances 0.000 description 3
- 238000004080 punching Methods 0.000 description 3
- 239000004568 cement Substances 0.000 description 2
- 230000007812 deficiency Effects 0.000 description 2
- 230000002950 deficient Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000010030 laminating Methods 0.000 description 2
- 238000003672 processing method Methods 0.000 description 2
- 230000000007 visual effect Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
- 239000000243 solution Substances 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
- B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
- B29C45/14—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor incorporating preformed parts or layers, e.g. injection moulding around inserts or for coating articles
- B29C45/1418—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor incorporating preformed parts or layers, e.g. injection moulding around inserts or for coating articles the inserts being deformed or preformed, e.g. by the injection pressure
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
- B29B11/00—Making preforms
-
- 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
- B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
- B29C45/14—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor incorporating preformed parts or layers, e.g. injection moulding around inserts or for coating articles
- B29C45/14688—Coating articles provided with a decoration
-
- 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
- B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
- B29C45/14—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor incorporating preformed parts or layers, e.g. injection moulding around inserts or for coating articles
- B29C45/1418—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor incorporating preformed parts or layers, e.g. injection moulding around inserts or for coating articles the inserts being deformed or preformed, e.g. by the injection pressure
- B29C2045/14237—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor incorporating preformed parts or layers, e.g. injection moulding around inserts or for coating articles the inserts being deformed or preformed, e.g. by the injection pressure the inserts being deformed or preformed outside the mould or mould cavity
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
- B29L2031/00—Other particular articles
- B29L2031/58—Upholstery or cushions, e.g. vehicle upholstery or interior padding
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Injection Moulding Of Plastics Or The Like (AREA)
Abstract
The invention discloses a kind of injection molding method of vehicle door interior trim panel with soft epidermis and thread, it includes three steps：1st, epidermis is preforming；2nd, epidermis can complete to add true thread on the complicated shapes such as curved surface by 3D sewings；3rd, it is molded again by low pressure injection mould and is molded interior trim to complete the automobile with target lines, thread epidermis.The product size that the present invention is produced is unified, and seamless overlap joint can be carried out with opponent's part, and dimensional stability is strong, and product internal stress is smaller, is not likely to produce deformation, can complete curved surface, complicated face addition thread, beautify vehicle door interior trim plate moulding.
Description
Technical field
The present invention relates to a kind of processing method of vehicle door interior trim panel, specifically a kind of epidermis for producing automotive upholstery
With the assembling forming process of base material.
Background technology
Automotive upholstery is to reach comfortable and aesthetic, it will usually soft epidermis is added on surface and with specific lines
And thread, current this technique is divided into the following two kinds mode：
First, high-pressure injection moulding+laminating：Injection template is merged into epidermis, then is fitted（Epidermis has lines, but is plane）.
Its process is first high-pressure injection moulding plasthetics, then epidermis is attached at into product table by the mode such as vacuum forming machine or artificial laminating
Face, the more difficult effect for completing curved surface sewing of such a mode.
2nd, low pressure integrated injection molding：The epidermis bought is laid in mould in advance（Epidermis has lines, but is plane）By low
The injection molding manner of pressure technique makes plastic cement in shaping while being fitted with epidermis, it is impossible to complete the actual thread effect of curved surface.
The deficiency that above two method has has：Technological process is long, complex operation, and fraction defective is high, poor dimensional stability,
Product internal stress is larger, is also easy to produce the deformation such as warpage, manually, equipment cost is higher.
Simultaneously traditional sewing type has the following disadvantages：Thread may only be added in the plane position after cutting, it is impossible to
It is sewn on the three-dimensional shape after single skin forming（Curved surface, wedge angle position）And emulation plus actual sewing visual effect.
The content of the invention
The purpose of the present invention, there is provided a kind of good product quality, reaches that emulation adds aiming at above-mentioned the deficiencies in the prior art
Injection molding method of the vehicle door interior trim panel of actual sewing visual effect with soft epidermis and thread.
The technical solution adopted by the present invention is as follows：
A kind of injection molding method of vehicle door interior trim panel with soft epidermis and thread, its characterization step is as follows：
（A) from without lines epidermis, epidermis is put into vacuum former, the folder frame carried by vacuum forming machine is clamped
Afterwards, deliver to vacuum forming machine and carry heating region；
（b）Heating tube is carried using vacuum forming machine to heat above-mentioned epidermis, is heated to temperature needed for epidermis softening；
（c）By vacuum forming machine automatic control mechanism will heat after epidermis positioning put mould center after, upper mould and lower mould
After slow matched moulds, upper mould and lower mould are carried out after vacuumize process, vacuum breaker, mould is opened under upper mould, is taken out
Preforming epidermis, makes epidermis have texture and emulation thread；
（d）By it is above-mentioned it is preforming after epidermis be put into epidermis blanking die, be punched into shape and the aperture of needs；
（e）The epidermis that shape has been punched is put into 3D sewing machines, and the sewing of epidermis 3D moulding is carried out according to required style；
（f）By the good epidermis of sewing, fetch tool using manipulator and be put into after the upper mould of low pressure injection mould, matched moulds is carried out
The integral low pressure injection formaing of band epidermis；
（g）Integrated injection molding product cooling is shaped through the circulation water flowing of upper and lower mould mold cooling water road, after die sinking, utilize
The ejection resetting means ejecting product of lower mould.
Wherein, the preforming supracutaneous true thread of spinning is single needle or crosspointer wire type sample.
Step（b）Epidermis softening temperature is 180 DEG C.
Step（c）In the vacuumize process time be 30S.
Step（f）The good epidermis of middle sewing is put into after low pressure injection mould to be fixed by pilot pin.
Beneficial effects of the present invention have：
1st, technique shortens, simple to operate.
2nd, the fraction defective that reduction artificial origin causes, each product is identical, can carry out seamless overlap joint with opponent's part.
3rd, dimensional stability is strong, and product internal stress is smaller, is not likely to produce the deformation such as warpage.
4th, addition emulation thread at curved surface, complicated face can be completed, beautifies moulding.
5th, artificial, equipment cost is relatively low.
Brief description of the drawings
Fig. 1 is the structural representation of 3D sewing machines in the present invention.
Fig. 2 is the structural representation of mesolow injection mold of the present invention.
Embodiment
The present invention is further described below in conjunction with the accompanying drawings：
The vacuum former that the present invention is used includes male model, master mold, and vacuum forming equipment.The male model is provided with use
In the tiny holes vacuumized, the master mold is provided with the tiny holes for being used for vacuumizing, and lines moulding needed for having client.
（Including sewing line modelling）The vacuum forming machine, is divided into 2 parts, and a. epidermises heating zone includes heating rod, and temperature is dried in epidermis heating
Region；B. vacuum forming area, places vacuum forming mold, preforming region.Two region presss from both sides the baking that frame carries out epidermis by epidermis
Temperature and placement epidermis are into vacuum forming mold.
As shown in figure 1, the 3D sewing machines that the present invention is used include fixed seat, mechanical arm, sewing machine, laser scanning
Head, attached computer equipment.The fixed seat：Mechanical arm fixation base.The mechanical arm：Sewing machine and laser scanning head
Bearing, completes sewing route action.The sewing machine：Carry out sewing thread sewing apparatus.The laser scanning head：Carry out sewing
The detection device of path scanning.The computer equipment：The path in laser scanning head loop is analyzed, makes manipulator according to predetermined road
Line, control sewing machine carries out sewing.
As shown in Fig. 2 the low pressure injection mould that the present invention is used, including master mold and male model, the male model：Mould is done
Part, includes hot flow path, ejecting mechanism, cast gate, nozzle.The master mold：Include epidermis pilot pin.
Present invention processing is divided into 3 steps：
First step：Epidermis preform stage.
As shown in Figure 1：Integral skin is preforming to be divided into：A. epidermis heating region b. epidermises pre-forming area, preforming tool
Mould under mould and vacuum preform, is first put into the preforming region of epidermis by epidermis and has pressed from both sides frame on vacuum preform of the rest area with lines
After clamping, feeding epidermis heating zone carries out epidermis and dries temperature, and softening temperature is 180 DEG C（Different according to epidermis material, softening temperature has
Institute is different）.Dry epidermis after temperature to be sent into behind epidermis preforming region by folder frame, mould under mould and vacuum preform on vacuum preforming mould
After matched moulds, vacuumize（About 30S）.At precompressed after epidermis shape, mould is molded under mould and vacuum preform on vacuum preforming mould.Take
Go out after epidermis, be put into epidermis blanking die and carry out epidermis punching.The epidermis of vacuum suction formation lines is put into 3D sewings seam
Thread on machine tool 3, mechanical arm 4, along the shape of epidermis, is scanned according to the sewing path of setting using laser scanning head 5,
Correct behind path.Go out the thread of needs by the sewing of sewing machine 6.
The good epidermis 7 of sewing is put into low pressure upper mould 1 again（Robotic arm arm replaces being put into）, consolidated by pilot pin
It is fixed, low pressure upper mould 1 and the lower 2-in-1 mould of mould, after injection.Mould, which is opened, takes out product 8, is put into punching（Can be by mechanical arm generation
It is put into for taking-up）, finished product is taken out after punching
The specific processing method step of injection molding of the present invention is poly- as follows：
A, the epidermis for having formed target dermatoglyph and target thread is fixed on low pressure upper mould 8.
B, low pressure upper mould 1 is dropped to start injecting glue before die-closed position, melt plastic cement material is injected into by hot runner
In the closing space of above-mentioned mould.
C, lower mould 2 and low pressure upper mould 1 are pressurizeed, lower mould 2 and low pressure upper mould 1 entered again after the completion of injection
Row cooling.Pressurization refers to mould is carried out to be pressed, and prevents that shrink etc. is bad.Cooling is because after injection has been carried out, such as
Product is directly taken out, there can be deformation dangerous because temperature is higher, therefore need to be cooled down to it.
D, die sinking.
E, product ejection.These actions are completed all by injection machine, the ejection push pedal of injection machine top rod, drive thimble,
The ejecting mechanisms such as straight jacking block, oblique top.
Other undeclared parts of the present invention are same as the prior art.
Claims (5)
1. a kind of injection molding method of vehicle door interior trim panel with soft epidermis and thread, its characterization step is as follows：
（A) from without lines epidermis, epidermis is put into vacuum former, after the folder frame carried by vacuum forming machine is clamped, sent
Heating region is carried to vacuum forming machine；
（b）Heating tube is carried using vacuum forming machine to heat above-mentioned epidermis, is heated to temperature needed for epidermis softening；
（c）By vacuum forming machine automatic control mechanism will heat after epidermis positioning put mould center after, upper mould and lower mould are slow
After matched moulds, upper mould and lower mould are carried out after vacuumize process, vacuum breaker, mould is opened under upper mould, takes out preformation
The epidermis of type, makes epidermis have texture and emulation thread；
（d）By it is above-mentioned it is preforming after epidermis be put into epidermis blanking die, be punched into shape and the aperture of needs；
（e）The epidermis that shape has been punched is put into 3D sewing machines, and the sewing of epidermis 3D moulding is carried out according to required style；
（f）By the good epidermis of sewing, fetch tool using manipulator and be put into after the upper mould of low pressure injection mould, matched moulds carries out band table
Skin one low pressure injection formaing；
（g）Integrated injection molding product cooling is shaped through the circulation water flowing of upper and lower mould mold cooling water road, after die sinking, utilize lower mould
Ejection resetting means ejecting product.
2. injection molding method of the vehicle door interior trim panel according to claim 1 with soft epidermis and thread, its feature
It is that the preforming supracutaneous true thread of spinning is single needle or crosspointer wire type sample.
3. injection molding method of the vehicle door interior trim panel according to claim 1 with soft epidermis and thread, its feature
It is step（b）Mesocuticle softening temperature is 180 DEG C.
4. injection molding method of the vehicle door interior trim panel according to claim 1 with soft epidermis and thread, its feature
It is step（c）In the vacuumize process time be 30S.
5. injection molding method of the vehicle door interior trim panel according to claim 1 with soft epidermis and thread, its feature
It is step（f）The good epidermis of middle sewing is put into after low pressure injection mould to be fixed by pilot pin.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510647582.7A CN105196474B (en) | 2015-10-09 | 2015-10-09 | Injection molding method of the vehicle door interior trim panel with soft epidermis and thread |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510647582.7A CN105196474B (en) | 2015-10-09 | 2015-10-09 | Injection molding method of the vehicle door interior trim panel with soft epidermis and thread |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105196474A CN105196474A (en) | 2015-12-30 |
| CN105196474B true CN105196474B (en) | 2017-09-05 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510647582.7A Expired - Fee Related CN105196474B (en) | 2015-10-09 | 2015-10-09 | Injection molding method of the vehicle door interior trim panel with soft epidermis and thread |
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| Country | Link |
|---|---|
| CN (1) | CN105196474B (en) |
Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107553886A (en) * | 2017-09-07 | 2018-01-09 | 全兴工装设备（南京）有限公司 | The vacuum forming of automotive trim epidermis embosses mould and its forming method |
| CN107457959B (en) * | 2017-09-12 | 2019-05-14 | 浙江艾彼科技股份有限公司 | Automobile door plate upper decoration plate mold with covering integrated injection molding |
| CN108454068A (en) * | 2018-04-02 | 2018-08-28 | 辽宁金兴汽车内饰有限公司 | The true suture processing technologys of fascia IMG-S |
| CN108515668A (en) * | 2018-04-03 | 2018-09-11 | 宁波精超模具纹理科技有限公司 | The mold of double-colored epidermis suture and the double-colored epidermis suture of manufacture |
| CN108527881A (en) * | 2018-04-25 | 2018-09-14 | 全兴工装设备（南京）有限公司 | A kind of vacuum abutted processing technology with moccasin and thread automotive upholstery |
| CN109109334B (en) * | 2018-07-09 | 2020-04-24 | 宁波精超模具蚀刻有限公司 | Automobile interior trim surface processing method |
| CN111805828A (en) * | 2020-07-13 | 2020-10-23 | 南京南条全兴汽车内饰系统有限公司 | Method for chemically foaming and integrally forming low-pressure belt skin of vehicle door interior trim panel |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101513764A (en) * | 2008-02-19 | 2009-08-26 | 延锋伟世通汽车饰件系统有限公司 | Trim panel forming method for an automobile door |
| CN101722623A (en) * | 2008-10-22 | 2010-06-09 | 上海工程技术大学 | Low-pressure injection molding technology for directly generating grains on skin |
| CN101722610A (en) * | 2008-10-22 | 2010-06-09 | 上海工程技术大学 | Foaming technology for directly generating grains on skin |
| CN202862515U (en) * | 2012-09-14 | 2013-04-10 | 大连大显高木模具有限公司 | Low-pressure injection mold with skin material groove crease-proof structure |
| CN104647680A (en) * | 2013-11-20 | 2015-05-27 | 南条装备工业株式会社 | Method for producing resin skin |
-
2015
- 2015-10-09 CN CN201510647582.7A patent/CN105196474B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101513764A (en) * | 2008-02-19 | 2009-08-26 | 延锋伟世通汽车饰件系统有限公司 | Trim panel forming method for an automobile door |
| CN101722623A (en) * | 2008-10-22 | 2010-06-09 | 上海工程技术大学 | Low-pressure injection molding technology for directly generating grains on skin |
| CN101722610A (en) * | 2008-10-22 | 2010-06-09 | 上海工程技术大学 | Foaming technology for directly generating grains on skin |
| CN202862515U (en) * | 2012-09-14 | 2013-04-10 | 大连大显高木模具有限公司 | Low-pressure injection mold with skin material groove crease-proof structure |
| CN104647680A (en) * | 2013-11-20 | 2015-05-27 | 南条装备工业株式会社 | Method for producing resin skin |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105196474A (en) | 2015-12-30 |
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Granted publication date: 20170905 |