CN103332224B - Automotive trim and preparation facilities thereof and preparation method - Google Patents
Automotive trim and preparation facilities thereof and preparation method Download PDFInfo
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- CN103332224B CN103332224B CN201310311109.2A CN201310311109A CN103332224B CN 103332224 B CN103332224 B CN 103332224B CN 201310311109 A CN201310311109 A CN 201310311109A CN 103332224 B CN103332224 B CN 103332224B
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Abstract
The invention discloses a kind of automotive trim, be molded, including fabric with described fabric, the working of plastics being connected, described fabric includes the nonwoven layer being connected with working of plastics injection and fixes, with described nonwoven layer, the tissue layer being connected.Also disclose its making apparatus and processing technology simultaneously.The present invention uses low-pressure injection molding technology it to be connected with fabric injection in the lump working of plastics injection mo(u)lding when, fabric and the molding of plasthetics and combination is completed at mould inside, thus substantially increase production efficiency and reduce the input of human cost, and because be that mould produces, so the quality of each goods is the same；Low-pressure injection molding technology has lacked the application to glue simultaneously, so the pollution of goods environment is zero.
Description
Technical field
The present invention relates to field of mechanical technique, particularly relate to a kind of automotive trim and preparation facilities thereof and preparation
Method.
Background technology
Middle and high end, market car sales volume sustainable growth at home, high-quality high-end product demand will constantly increase, and ring
Guarantor's health idea is in fashion, and automotive trim product also begins to leading green concept, and environment protection health series products will be vapour
One main trend of car development, improves the room fit one's leisure and exercise demands design in car, improves the comfortableness taken, the most by middle height
Shelves car widely uses.
Traditional automobile A, B post forming process is, is first to become with Mold Making by A, B post plastic part
Type, then by artificial by coating viscosity glue on working of plastics, then gets up with working of plastics bonding with non-woven fabrics, finally will be many
Remaining non-woven fabrics has pruned away this work.This process needs to carry out three step operation and completes, and one
Being injection mo(u)lding, two is that coating viscosity glue covers non-woven fabrics, and three is to prune non-woven fabrics, will use in the process
To harmful toxic solvent, not only the operator being coated with coating viscosity glue are harmful to, there is also air simultaneously
The problems such as pollution occur, and add narrow space in Automobile, cause in-vehicle air pollution and abnormal flavour more
Seriously, meanwhile, when coating viscosity glue again after plastic piece shaping, the operation that non-woven fabrics is pasted together is made with working of plastics
Many, need personnel the most, long processing time, and also the quality pasted is unstable, forms low quality high cost
Production model.Meanwhile, aforesaid operations manually streamline completes, so each workman is ripe to work
The quality that white silk degree difference just determines product is inconsistent.
Summary of the invention
It is an object of the invention to for technological deficiency present in prior art, and provide a kind of processing simple and
The automotive trim of safety and environmental protection and a kind of simultaneously can injection with it by fabric in working of plastics injection mo(u)lding are connected
Low-pressure injection molding equipment and injection moulding process thereof.
Be the technical scheme is that by realizing the purpose of the present invention
A kind of automotive trim, is molded the working of plastics being connected, described fabric including fabric with described fabric
Including the nonwoven layer being connected with working of plastics injection and fix, with described nonwoven layer, the tissue layer being connected.
Described fabric thickness is at 1.2-1.4mm；Described fabric layer thicknesses is in 0.4-0.6mm, described nothing
Spin ply gage at 0.6-1mm.
Described fabric and the volume ratio of working of plastics are 1:8-10.
A kind of preparation facilities preparing automotive trim, including low pressure injection mould and pick and place integrated mechanical hands,
Including fixed half and moving half, described dynamic model includes base plate, is fixedly installed on the die cavity on described base plate,
And be arranged on multiple dossal pins of die cavity periphery, the outside of described dossal pin be formed with edge structure so that
Cut open when fabric is by tension force；Described cover half includes panel, fixes with described panel and to be connected
Hot runner manifold fixes the core being connected with described hot runner manifold, and ejecting mechanism and Re Zui, described
The periphery of core projection be provided with described dossal for the through hole answered to avoid interfering, described
Projection periphery be additionally provided with multiple presser.
Described presser includes the several grooves being arranged on insert perimeter, can be contained in described groove
Internal briquetting and being arranged between groove and briquetting for described briquetting outer end being ejected when not pressurized
The ejector spring of groove.
Described dossal pin is triangle cone structure.
Described pick and place the mechanical arm that integrated mechanical hands includes to move along moving track, respectively rotatably
Be fixedly installed on both sides, mechanical arm bottom takes cloth support plate and pickup support plate, and described takes cloth support plate and pickup
Support plate can the most driven switch between horizontal station and vertical station, and described taking is fixedly installed on cloth support plate
Least one set takes cloth apparatus, and the described cloth apparatus that takes includes sensing the airborne laser range finder away from cloth distance, if
Put the dossal mechanism in airborne laser range finder both sides, described pickup support plate is fixedly installed at least the one of correspondence
Group pick-off unit, described pick-off unit includes fixing the support bar being connected with described pickup support plate and fixing
It is arranged on support bar end can be controlled by moulding sticking or the sucker of release.
Be provided with on the pickup support plate of described sucker surrounding corresponding with moulding and can controlled clamping or release note
The clamping bar of plastic, shown clamping bar is by cylinder or motor drive actions.
The preparation method of a kind of automotive trim, comprises the following steps,
1) mechanical hand is utilized to be arranged on the dossal pin of dynamic model by cloth；
2) injection machine matched moulds, cloth can first touch fixed mold, and cloth can deform also along with the present situation of core
Against core to move, when mould is closed into preset distance, the presser being fixed on cover half side can first be pushed down
Cloth,
3) Guan Bi mould is continued until the gap of die joint is at 1st/1 to two/3rds of fabric thickness；
4) injection mo(u)lding demoulding feeding are carried out.
During injection, clamp force is 600-800T, maximum injection pressure 2-4bar, pressure switching 2-4bar, injection
Time is 3-5s, and the dwell time is 13-16s.
Compared with prior art, the invention has the beneficial effects as follows:
The present invention uses low-pressure injection molding technology it to be connected with fabric injection in the lump working of plastics injection mo(u)lding when
Connect, complete fabric and the molding of plasthetics and combination at mould inside, thus substantially increase production efficiency
Reduce the input of human cost, and because be that mould produces, so the quality of each goods is the same；
Low-pressure injection molding technology has lacked the application to glue simultaneously, so the pollution of goods environment is zero.
The mould that the preparation facilities of the present invention uses uses upside-down mounting mode, using die cavity as dynamic model, core conduct
Cover half, enters glue and ejects in mould same cover half side, designs blade, it is achieved fabric draws in positioning needle simultaneously
Fabric can be cut open, it is ensured that fabric will not be because tightly being deformed by La get Tai time tight；In order to ensure that fabric is wrinkle resistant
Be placed in mould, cover half is provided with presser, after mould matched moulds to setpoint distance, cloth
Can first touch fixed mold, cloth can deform along with the present situation of core and against core and moves.When mould closes
When closing to 15 millimeters, the bullet block being fixed on cover half side can first push down cloth, makes the cloth will not wrinkling Guan Bi mould；
It is then injected into plastic shaping and ensures product quality and outward appearance.Meanwhile, the mechanical hand getting of the preparation facilities of the present invention
Drive pickup support plate with mechanical arm and take cloth support plate, it is achieved the synchronization of dossal and pickup is carried out, and is effectively increased
Whole efficiency and automatization level, simultaneously as preferred version, it is possible to achieve complete while two mouldings,
Feed and the pickup of two mouldings can be completed, it is to avoid mechanical arm is in a large number toward double action under mechanical arm one-off
Make, improve production efficiency, reduce energy consumption.
The injection moulding process using the present invention prepares automotive trim, working of plastics and fabric is directly molded connection, has
Effect avoids the excessive use of glue, the operation that plastic cement and non-woven fabrics are pasted together by one-shot forming simultaneously,
Eliminating secondary processing process, the appearance of made automotive trim is beautiful, environmental protection, and substantially increases
Production efficiency.
Accompanying drawing explanation
Fig. 1 show the automotive trim cross section structure schematic diagram of the present invention；
Fig. 2 show the mould matched moulds pre-structure schematic diagram of the present invention；
Fig. 3 show structural representation in the mould matched moulds of the present invention；
Fig. 4 show structural representation after the mould matched moulds of the present invention；
Fig. 5 show the robot manipulator structure schematic diagram of the present invention.
Detailed description of the invention
Below in conjunction with the drawings and specific embodiments, the present invention is described in further detail.Should be appreciated that herein
Described specific embodiment, only in order to explain the present invention, is not intended to limit the present invention.
As it is shown in figure 1, the automotive trim of the present invention includes fabric and is molded, with described fabric, the plastics being connected
Part 100, described fabric include with the working of plastics nonwoven layer 200 that is connected of injection and with described nonwoven layer
The fixing tissue layer 300 connected, wherein, described working of plastics is the A post of automobile, B post or C post.Certainly
Other are needed to adhere to fabric on working of plastics and can also use this structure.Wherein, the nothing of described fabric
Spin layer of cloth and tissue layer can use the fixing connection of glue, after connection, can quickly disperse taste.
That is, low-pressure injection molding technology is used it to be connected with fabric injection in the lump working of plastics injection mo(u)lding when,
Complete fabric and the molding of plasthetics and combination at mould inside, thus substantially increase production efficiency and reduce
The input of human cost, and because be that mould produces, so the quality of each goods is the same；With
Time low-pressure injection molding technology lacked the application to glue, so the pollution of goods environment is zero.
Specifically, plastic cement and the low pressure injection formaing technique of fabric, be by mold injection and nothing by plastics
Spinning cloth to adhere to each other, produced product adhesive force is very strong, will never come off and ftracture in using, and
Fabric is a decorative layer on automobile product surface, the most also has good surface abrasion resistance.Simultaneously because of logical
After being injected into mold cavity after crossing plastics high temperature melting, quickly cooling need not during but bonding with non-woven fabrics add
Any alite paste, generation workshop environmental issue when can stop alite paste abnormal smells from the patient and produce, and automotive trim
Environmental issue.
Further, plastic cement be enter nonwoven layer, in region 400 as shown in Figure 1, fabric with mould
Glue is closely adhered to together.But plastic cement cannot through nonwoven layer arrive tissue layer to avoid affecting outward appearance,
Preferably, described fabric thickness is at 1.2-1.4mm, wherein, described fabric layer thicknesses at 0.4-0.6mm,
Described nonwoven layer thickness is at 0.6-1mm.The horizontal expansion rate of described fabric is at 30-35, directly to extension
Rate is at 20-25.Described plastic parts is by the engineering plastics injection mo(u)lding of GR series.
Meanwhile, for different size and the inside gadget of shape, described non-woven fabrics and the volume ratio of working of plastics
It is preferably 1:8-10, uses the proportional arrangement of coupling, can guarantee that gadget intensity and unified appearance.
To sum up shown in, the present invention use low pressure injection formaing technique to make automotive trim, by working of plastics dough-making powder
Material injection connects, and effectively prevent the excessive use of glue, and plastic cement is pasted by one-shot forming simultaneously with non-woven fabrics
Operation together, eliminates secondary processing process, and the appearance of made automotive trim is beautiful, environmental protection,
And substantially increase production efficiency.
As in Figure 2-4, being connected for fabric being molded with it in working of plastics injection mo(u)lding simultaneously of the present invention
Making apparatus include mould and pick and place integrated mechanical hands, wherein, described mould includes dynamic model 1 and fixed
Mould 2, wherein said dynamic model includes base plate 11, is fixedly installed on the die cavity 12 on described base plate, with
And it is arranged on multiple dossal pins 14 of die cavity periphery, described die cavity center is provided with default cavity 13,
Described cavity is the profile of injection mo(u)lding, described dossal pin be arranged on cavity periphery in case with by face
Material supports.Because fabric 3 is to put down to hang on cavity medial plane when starting, when matched moulds, fabric can be pressed
Entering in the cavity of die cavity, deformed in order to avoid fabric draws too tight, the outside of described dossal pin is formed
Edge structure is to be cut open when fabric is by tension force, it is preferable that described dossal pin is triangle taper
Structure, the dossal pin of triangle taper can be effectively ensured dossal and cut being smoothed out of cloth action.
Described cover half 2 includes panel 21, fixes the hot runner manifold 22 being connected with described panel with described
Hot runner manifold fix the core 23 of connection, and ejecting mechanism 24 and hot mouth 25, described panel, heat
The design of runner plate ejecting mechanism and hot mouth similarly to the prior art, does not repeats them here.
The projection 26 mated with described die cavity it is formed with, after projection inserts cavity in the middle part of described core 23
Space i.e. constitutes the face shaping of moulding after injection.The design of cavity and projection is according to different product specification
And have nothing in common with each other, the most reinflated description at this.It is provided with and described extension in the periphery of described core projection
Cloth for the through hole answered or groove to avoid interfering, simultaneously in order to improve the control to fabric, described
Projection periphery be additionally provided with multiple presser, described presser includes the groove being arranged on core
27, the briquetting 28 of described inside grooves can be contained in and be arranged between groove and briquetting at not pressurized
Time described briquetting outer end ejected the ejector spring 29 of groove.When matched moulds to preset distance, briquetting meeting
Holding the cavity periphery at die cavity to act on clamping cloth together, the briquetting utilizing flexible power to support can
What during to ensure matched moulds, fabric cut open stablizes, and i.e. maintains predetermined tension force and will not deform again, it is ensured that fabric pastes
It is combined on core.
The mould of the present invention uses upside-down mounting mode, and using die cavity as dynamic model, core, as cover half, enters Jiao Heding
Go out in mould same cover half side, in positioning needle, design blade, it is achieved during fabric tension, face can be cut open simultaneously
Material, it is ensured that fabric will not be because tightly being deformed by La get Tai；It is placed in mould to ensure that fabric is unruffled,
Being provided with on cover half and use presser, after mould matched moulds to setpoint distance, cloth can first touch cover half
Core, cloth can deform along with the present situation of core and against core and moves.When mould is closed into 15 millimeters,
The bullet block being fixed on cover half side can first push down cloth, makes the cloth will not wrinkling Guan Bi mould；It is then injected into plastics
Molding ensures product quality and outward appearance.
The mould one-shot forming demoulding using the present invention is smooth and easy, and uses low-pressure injection molding technology to be molded at working of plastics
The when of molding, it is connected with fabric injection in the lump, completes the molding of fabric and plasthetics at mould inside
And combination, thus substantially increase production efficiency and reduce the input of human cost, and because be that mould is raw
Produce, so the quality of each goods is the same；Low-pressure injection molding technology has lacked the application to glue simultaneously,
So the pollution of goods environment is zero.Specifically, plastic cement uses low pressure injection formaing technique with non-woven fabrics,
Being to be adhered to each other with non-woven fabrics by mold injection by plastics, produced product adhesive force is very strong, uses
In will never come off and ftracture, and non-woven fabrics is a decorative layer on automobile product surface, the most also has
Well surface abrasion resistance.Because of by be injected into after plastics high temperature melting after mold cavity quickly cooling but with non-woven fabrics
Need not during bonding add any alite paste, when can stop alite paste abnormal smells from the patient and produce, produce workshop ring
Guarantor's problem, and the environmental issue of automotive trim.
As it is shown in figure 5, the present invention's picks and places the mechanical arm that integrated mechanical hands includes to move along moving track
01, be respectively rotatably fixedly installed on both sides, mechanical arm bottom takes cloth support plate 02 and pickup support plate 03,
Described cloth support plate 02 and the pickup support plate 03 of taking can the most driven at horizontal station and vertically switch between station,
Described take to be fixedly installed on cloth support plate 02 take cloth apparatus, the described cloth apparatus that takes includes sensing away from cloth
The airborne laser range finder 021 of distance, is arranged on the aciculiform clamper 022 of airborne laser range finder both sides, described pickup
Being fixedly installed pick-off unit on support plate 03, described pick-off unit includes be connected fixing with described pickup support plate
Support bar 031 and be fixedly installed on support bar end can be controlled by moulding sticking or the sucker of release.
Wherein, described mechanical arm can set mobile along track follow procedure, its can coordinate realize mould feeding,
Feedings etc. operate, and described cloth support plate and the pickup support plate of taking, can as taking the carrier of cloth apparatus or pick-off unit
To use tabular or tower structure, it is combined the modes such as track with the used sprocket wheel of mechanical arm and designs,
Can complete vertical feeding with it and horizontal blowing action is advisable, both can pass through size or stroke simultaneously
The various ways such as control realize motion does not interferes, it is ensured that the stationarity of overall operation.Described aciculiform clamper
Including cylinder and prong, for ease of being gripped by cloth and can discharge, described aciculiform clamper is arranged in pairs,
Every pair is arranged in herringbone, utilizes airborne laser range finder sensing to take cloth support plate the most corresponding to the distance of cloth 3
Ground controls mechanical arm action, when prong is driven stretch out time just cloth is pierced through and does not affect next layer, and wear
Cloth is just clamped to move with it by saturating prong.
Further, can controlled clamping or release be molded described sucker surrounding is corresponding with moulding for improving
The clamping bar 33 of part 8, shown clamping bar, by cylinder or motor drive actions, utilizes the colocated of sucker and clamping bar,
That can improve moulding picks and places stability, it is to avoid situation of falling occurs.
Further, described taking arranges and is set at least two groups, and it is disposed on up and down and takes on cloth support plate,
Described pick-off unit is at least two groups, and it is correspondingly arranged on pickup support plate at interval in the upper and lower, and two groups take
Cloth and pick-off unit corresponding two groups of moulds respectively, it is possible to achieve complete, at mechanical arm while two mouldings
Feed and the pickup of two mouldings can be completed under one-off, it is to avoid a large amount of reciprocating action of mechanical arm, improve
Production efficiency, reduces energy consumption.
When specific works, bed of cloth is folded to be placed on cloth platform, takes the driven half-twist to the right of cloth support plate,
Mechanical arm takes the two of support plate groups cloth apparatus and moves above cloth simultaneously, airborne laser range finder sensing support plate with
Then the distance of upper strata cloth controls the prong of two groups of multiple aciculiform clampers taken on cloth apparatus and stretches out to incite somebody to action
The cloth on upper strata is taken away, and now mould is complete one group of injection mo(u)lding, drives and takes cloth support plate to vertical work
Position also will take the dossal side that cloth apparatus moves to mould and complete the transfer of two groups of clothes, then move to moulding
Side, completes the sticking of two mouldings, clamping position under the cooperation of ejecting mechanism, and then mechanical arm drives
Support plate exits to avoid interfering with mould, and while injection mo(u)lding, mechanical arm moves to conveyer belt and controls
Two mouldings are placed on conveyer belt by pickup support plate half-twist to the left together, then move to cloth
Continue to take cloth operation on material platform, the most back and forth.
The injection moulding process of the present invention is further described by A post or B post with moulding as automobile below: institute
The fabric stated includes that be connected with the working of plastics nonwoven layer that is connected of injection and fixing with described nonwoven layer knits
Nitride layer, described fabric thickness is at 1.2mm, and described fabric layer thicknesses is in 0.5mm, described nonwoven layer
Thickness at 0.7mm,
Comprise the following steps,
1) mechanical hand is utilized to be arranged on the dossal pin of dynamic model by cloth；
2) injection machine matched moulds, cloth can first touch fixed mold, and cloth can deform also along with the present situation of core
Against core to move, when mould is closed into 15mm, the presser being fixed on cover half side can first push down cloth,
3) Guan Bi mould is continued until the gap of die joint is at 0.4mm；The die joint of common die needs tight
Coordinating, the low head injection mould of the present invention is because having fabric on mould, so die joint needs design gaps,
Can not tightly coordinate.Gap length is very problem, has stayed and has produced batch peak, has stayed to have lacked and damage fabric by pressure, for
The present embodiment is advisable with 0.4mm.
4) carrying out injection mo(u)lding demoulding feeding, wherein, clamp force is 700T, maximum injection pressure 3bar；
Pressure switching 3bar, injection time 4s, dwell time 15s.
The mould using the present invention makes automotive trim by low pressure injection formaing technique, by working of plastics and fabric
Injection connects, and effectively prevent the excessive use of glue, and plastic cement is pasted onto by one-shot forming simultaneously with non-woven fabrics
Operation together, eliminates secondary processing process, and the appearance of made automotive trim is beautiful, environmental protection, and
And substantially increase production efficiency.
The above is only the preferred embodiment of the present invention, it is noted that for the art
For those of ordinary skill, under the premise without departing from the principles of the invention, it is also possible to make some improvement and profit
Decorations, these improvements and modifications also should be regarded as protection scope of the present invention.
Claims (7)
1. the preparation facilities preparing automotive trim, it is characterised in that described automotive trim includes fabric
And it being molded, with described fabric, the working of plastics being connected, described fabric includes being molded, with working of plastics, the nonwoven being connected
Layer of cloth and fix the tissue layer being connected with described nonwoven layer, described fabric thickness is at 1.2-1.4mm；Institute
The fabric layer thicknesses stated at 0.4-0.6mm, described nonwoven layer thickness at 0.6-1mm, described fabric and
The volume ratio of working of plastics is 1:8-10, and described preparation facilities includes low pressure injection mould and picks and places integral type machine
Tool hands, including fixed half and moving half, described dynamic model includes base plate, is fixedly installed on described base plate
Die cavity, and it is arranged on multiple dossal pins of die cavity periphery, the outside of described dossal pin is formed with blade knot
Structure is to be cut open when fabric is by tension force；Described cover half includes panel, fixes with described panel
The hot runner manifold connected fixes the core being connected with described hot runner manifold, and ejecting mechanism and Re Zui,
It is provided with dry to avoid occurring for the through hole answered with described dossal in the periphery of the projection of described core
Relate to, be additionally provided with multiple presser at described projection periphery.
2. preparation facilities as claimed in claim 1, it is characterised in that described presser includes arranging
Several grooves on insert perimeter, can be contained in described inside grooves briquetting and be arranged on groove with
For described briquetting outer end being ejected when not pressurized the ejector spring of groove between briquetting.
3. preparation facilities as claimed in claim 2, it is characterised in that described dossal pin is triangle taper
Structure.
4. preparation facilities as claimed in claim 3, it is characterised in that described picks and places integrated mechanical hands
Including the mechanical arm that can move along moving track, respectively rotatably it is fixedly installed on both sides, mechanical arm bottom
Take cloth support plate and pickup support plate, described take cloth support plate and pickup support plate can the most driven at horizontal station and
Vertically switching between station, described taking is fixedly installed least one set and takes cloth apparatus on cloth support plate, described takes
Cloth apparatus includes sensing the airborne laser range finder away from cloth distance, is arranged on the cloth-hanging machine of airborne laser range finder both sides
Structure, described pickup support plate is fixedly installed the least one set pick-off unit of correspondence, described pick-off unit
Including fixing the support bar being connected with described pickup support plate and being fixedly installed on support bar end and can controlled incite somebody to action
Moulding sticking or the sucker of release.
5. preparation facilities as claimed in claim 4, it is characterised in that the pickup of described sucker surrounding carries
Be provided with on plate corresponding with moulding and can controlled clamping or release moulding clamping bar, shown clamping bar is by cylinder
Or motor drive actions.
6. use the method preparing automotive trim of preparation facilities as claimed in claim 1, its feature
It is, comprises the following steps,
1) mechanical hand is utilized to be arranged on the dossal pin of dynamic model by cloth；2) injection machine matched moulds, cloth can be first
Touching fixed mold, cloth can deform along with the present situation of core and against core and moves, when mould is closed into
During preset distance, the presser being fixed on cover half side can first push down cloth,
3) Guan Bi mould is continued until the gap of die joint is at 1st/1 to two/3rds of fabric thickness；
4) injection mo(u)lding demoulding feeding are carried out.
7. method as claimed in claim 6, it is characterised in that during injection, clamp force is 600-800T,
Big injection pressure 2-4bar, pressure switching 2-4bar, injection time is 3-5s, and the dwell time is 13-16s.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201310311109.2A CN103332224B (en) | 2013-07-23 | 2013-07-23 | Automotive trim and preparation facilities thereof and preparation method |
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| CN201310311109.2A CN103332224B (en) | 2013-07-23 | 2013-07-23 | Automotive trim and preparation facilities thereof and preparation method |
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| CN104708755A (en) * | 2013-12-17 | 2015-06-17 | 宁波安通林华翔汽车零部件有限公司 | Fabric coated one-time injection molding die structure |
| CN104002741A (en) * | 2014-05-12 | 2014-08-27 | 宁波华众塑料制品有限公司 | Vehicle interior trimming assembly and manufacturing method thereof |
| CN105196478B (en) * | 2014-06-20 | 2017-10-27 | 特步(中国)有限公司 | A kind of injecting molding die and production method for making metal rivet on vamp |
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| CN105172067A (en) * | 2015-10-16 | 2015-12-23 | 宁波瑞元模塑有限公司 | Low-pressure injection mold |
| US10508385B2 (en) * | 2016-10-24 | 2019-12-17 | Wholeknit International Co., Ltd. | Cloth positioner for continuous processing |
| CN107901323B (en) * | 2017-10-27 | 2019-11-12 | 宁波方正汽车模具股份有限公司 | Fascia screen cloth dossal mechanism |
| CN108582644B (en) * | 2018-05-21 | 2020-09-08 | 重庆市魏来雄鑫橡塑制品有限责任公司 | Auto-parts device of moulding plastics |
| CN110978427A (en) * | 2019-12-30 | 2020-04-10 | 青岛海泰科模具有限公司 | Side-face reverse-buckled fabric cutting injection mold and fabric cutting method |
| CN113021771A (en) * | 2021-02-25 | 2021-06-25 | 东风延锋汽车饰件系统有限公司 | Low-pressure injection molding skin cutting mold structure and using method thereof |
| CN115431559A (en) * | 2021-06-01 | 2022-12-06 | 汉达精密电子(昆山)有限公司 | Method for manufacturing fabric-coated sound-transmitting shell |
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| CN103332224A (en) | 2013-10-02 |
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