CN107791441A - The method and its epidermal structure of the anti-seep through of moulding epidermis forming decorative materials - Google Patents
The method and its epidermal structure of the anti-seep through of moulding epidermis forming decorative materials Download PDFInfo
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- CN107791441A CN107791441A CN201610743399.1A CN201610743399A CN107791441A CN 107791441 A CN107791441 A CN 107791441A CN 201610743399 A CN201610743399 A CN 201610743399A CN 107791441 A CN107791441 A CN 107791441A
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- epidermis
- decorative materials
- moulding
- hole
- forming decorative
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- 210000002615 epidermis Anatomy 0.000 title claims abstract description 124
- 238000000034 method Methods 0.000 title claims abstract description 77
- 239000000463 material Substances 0.000 title claims abstract description 59
- 238000000465 moulding Methods 0.000 title claims abstract description 46
- 239000011797 cavity material Substances 0.000 claims abstract description 34
- 239000004744 fabric Substances 0.000 claims abstract description 17
- 239000002994 raw material Substances 0.000 claims abstract description 8
- 238000004458 analytical method Methods 0.000 claims abstract description 7
- 239000003292 glue Substances 0.000 claims abstract description 5
- 230000002441 reversible effect Effects 0.000 claims abstract description 4
- 238000004519 manufacturing process Methods 0.000 claims description 26
- 230000008569 process Effects 0.000 claims description 11
- 230000008859 change Effects 0.000 claims description 7
- 230000000694 effects Effects 0.000 claims description 4
- 238000005253 cladding Methods 0.000 claims description 3
- 230000007547 defect Effects 0.000 claims description 3
- 238000005206 flow analysis Methods 0.000 claims description 3
- 238000009877 rendering Methods 0.000 claims description 3
- 210000003491 skin Anatomy 0.000 claims description 3
- 238000010276 construction Methods 0.000 abstract description 4
- 238000003754 machining Methods 0.000 abstract description 4
- 239000000853 adhesive Substances 0.000 abstract 1
- 230000001070 adhesive effect Effects 0.000 abstract 1
- 239000000047 product Substances 0.000 description 20
- 238000005516 engineering process Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 2
- 238000009826 distribution Methods 0.000 description 2
- 238000002347 injection Methods 0.000 description 2
- 239000007924 injection Substances 0.000 description 2
- 238000007493 shaping process Methods 0.000 description 2
- 230000007306 turnover Effects 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 238000004026 adhesive bonding Methods 0.000 description 1
- 239000011230 binding agent Substances 0.000 description 1
- 238000005034 decoration Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- 238000001746 injection moulding Methods 0.000 description 1
- 238000010137 moulding (plastic) Methods 0.000 description 1
- 239000012466 permeate Substances 0.000 description 1
- 238000004513 sizing Methods 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
- 238000007514 turning Methods 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
-
- 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
- B29C45/17—Component parts, details or accessories; Auxiliary operations
- B29C45/26—Moulds
- B29C45/2602—Mould construction elements
-
- 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
- B29C45/17—Component parts, details or accessories; Auxiliary operations
- B29C45/26—Moulds
- B29C45/27—Sprue channels ; Runner channels or runner nozzles
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
- B60R13/00—Elements for body-finishing, identifying, or decorating; Arrangements or adaptations for advertising purposes
- B60R13/02—Internal Trim mouldings ; Internal Ledges; Wall liners for passenger compartments; Roof liners
-
- 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
- B29L2031/30—Vehicles, e.g. ships or aircraft, or body parts thereof
- B29L2031/3005—Body finishings
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 method and its epidermal structure of the anti-seep through of moulding epidermis forming decorative materials, its method includes carrying out industrial analysis to the moulding of epidermis forming decorative materials, knows the raw material and shrinkage factor of moulding；Selected mould, knows die cavity material, die cavity number and depth of cavity；The arrangement of reasonable selection dossal pin and slotting cloth pin in rear mold and preceding mould；Selected surface is banded with corresponding epidermis, determines raw material, the shrinkage factor of epidermis, and determine the arrangement of epidermis forming decorative materials mold cavity；Process-cut is opened up in epidermis not gentle corner corresponding with mould or abrupt tranaition；Part is carried out to product and subtracts glue or reversible deformation processing, implement the epidermal structure of the inventive method design, by opening up process-cut in epidermis abrupt tranaition corresponding with mold cavity to improve the generation of seep through in forming decorative materials, leak adhesive phenomenon, lift product appearance quality, it is simple in construction, it is easy to operate, it is easy to control the machining accuracy and yields of product.
Description
Technical field
The invention belongs to surface forming decorative materials technical field, and in particular to the method for the anti-seep through of moulding epidermis forming decorative materials
And its epidermal structure.
Background technology
At present, domestic automobile industrial development is rapid, as the enhancing of consumer purchasing power and aesthetic consciousness, people are also more next
More pay close attention to the attractive in appearance and class of automotive upholstery.At present, automobile inner decorative piece generally comes in outer plastic surface patch last layer flannelette
The class of whole automotive trim is improved, this method not only low production efficiency, and in process of production, binding agent is to worker's
Body causes certain infringement, and during use afterwards, certain influence is will also result in consumer.
To meet fashion, exquisite outward appearance demand, automotive upholstery appearance and modeling, which is presented, to be complicated, surface decoration tech
It is complicated therewith.In recent years, with plastic molding processing technology towards high added value, high mechanization, high efficiency direction send out
Exhibition, automobile front vertical post epidermis forming decorative materials are widely used as a fashion, the technology in forward position.But add using epidermis
Adorn during forming technique, the problem of strike-through, seep through often occurs in product, especially seep through is outstanding at product turnover corner structure
To be serious, appearance and product function have been had a strong impact on；In addition, molding procedure is added, the machining accuracy and non-defective unit of product
Rate is whard to control, production cost is high, production capacity is low.
The content of the invention
In view of in place of above-mentioned the deficiencies in the prior art, design a kind of anti-seep through of moulding epidermis forming decorative materials method and
Its epidermal structure is particularly important.
Technical problem to be solved of the embodiment of the present invention is, there is provided a kind of anti-seep through of moulding epidermis forming decorative materials
Method and its epidermal structure, process-cut and technique cut hole are set up at abrupt change by being corresponded in mould, can effectively prevent product and ooze
The generation of glue seep through phenomenon, it is simple in construction, it is easy to use, it is possible to increase product appearance quality, to be easy to control the processing essence of product
Degree and yields.
One of the object of the invention is a kind of method of the anti-seep through of moulding epidermis forming decorative materials of offer；
The two of the object of the invention are a kind of anti-seep through epidermal structure of moulding epidermis forming decorative materials of offer.
A kind of method of anti-seep through of moulding epidermis forming decorative materials provided by the invention, comprises the following steps：
Step 01, industrial analysis is carried out to the moulding of epidermis forming decorative materials, knows geometry, the product size of moulding,
The raw material and shrinkage factor of moulding；
Step 02, according to the technological parameter of the epidermis forming decorative materials moulding of step 01, mould is selected, knows die cavity material, type
Chamber number and depth of cavity；
Step 03, in rear mold reasonable selection dossal hole, insert the arrangement of cloth pin, according to preceding mould and the assembly relation of rear mold,
Dossal pin and slotting cloth hole are set up in the relevant position of preceding mould；
Step 04, according to the technological parameter of the epidermis forming decorative materials mould of step 02, selected surface is banded with corresponding epidermis, it is determined that
The raw material of epidermis, shrinkage factor, geometry, epidermis size, and determine the arrangement of epidermis forming decorative materials mold cavity；
Step 05, with reference to the mold processing parameters of step 02 and the epidermis technological parameter of step 04, according to the arrangement of mold cavity
Position, the reasonable selection runner process hole position on epidermis, dossal hole is set up in epidermis and preceding mould relevant position, in epidermis and mould
Not gentle corner or abrupt tranaition corresponding to tool open up process-cut, the extension of mould before forming decorative materials are hung over epidermis by dossal hole
On cloth pin；
Step 06, industrial analysis is carried out to the moulding processed, with reference to mold flow analysis and passing defect experience, product carried out
Part subtracts glue or reversible deformation processing.
Wherein, the arrangement of the mold cavity is as follows：Because epidermis stretches filling an actor's rendering of an operatic tune in forming process, do not examine
Consider elastic shrinkage amount, process-cut upholds distance, and its deviation, within ± 0.20 mm, wherein x represents work
Skill otch upholds distance, d1Represent depth of cavity at this, d2Die cavity edge is represented to the distance of mold center's line, according to different productions
The depth of cavity of product, calculate process-cut and uphold distance；Upheld according to process-cut and ranked apart from reasonable Arrangement mould, it is described
Mold cavity avoids process-cut setting.
Wherein, the length that the process-cut opens up is as follows：According to Based on principles of crack mechanics and formula：, calculate disconnected
Opening length is split, wherein KIC is that material intrinsic property represents fracture toughness, and Y represents the form factor of breach, and σ represents component
Working stress, α represent fracture Opening length；According to the tentatively selected process-cut length of fracture Opening length.
Further, the process-cut is switched at the mm of dossal hole 30.
Accordingly, the present invention also provides a kind of moulding epidermis forming decorative materials anti-seep through epidermal structure, by above-mentioned injection
The method design gained of the anti-seep through of part epidermis forming decorative materials, it is characterised in that dossal hole is offered on the upside of the epidermis, along epidermis
The midline position of vertical direction offers some sprue fabrication holes, and the epidermis is opened in not gentle corner corresponding with mould
Provided with runner fabrication hole, the sprue fabrication hole and runner fabrication hole are on epidermis in " Y " font distribution, the table
The small otch of technique is offered at processing hole corresponding with mould at left and right sides of skin, the epidermis is formed in sprue fabrication hole
Straight line both ends offer the big otch of technique, and the epidermis offers technique cut hole in the both sides up and down of runner fabrication hole.
Further, the small otch of the technique is in " ten " font, because the epidermis effect of being stressed can be moved towards abrupt change region,
Therefore the technique tangent line center of the small otch of the technique parallel is moved 4 at processing hole center towards the opposite direction of epidermis movement
mm；The big otch of technique is linear.
Further, before the epidermis is hung over by dossal hole on the dossal pin of mould.
Further, the epidermis material is cloth or cladding, and the technique cut hole is circular port, square opening or hole
Combined with line of cut.
Further, the epidermis is used to process two A post plaques simultaneously, and two A posts plaques are located at the epidermis respectively
Corresponding left and right sides die cavity, the big otch of technique are opened on the center line between described two A posts plaques.
The method and its epidermal structure of the anti-seep through of moulding epidermis forming decorative materials provided in an embodiment of the present invention, enter from epidermis
Hand, technique takes precautions against the generation of seep through phenomenon before shaping, and process-cut and technique cut hole are opened up at abrupt change by being corresponded in mould
To improve epidermis seep through phenomenon, product appearance quality is lifted, it is simple in construction, it is easy to operate, it is easy to control the machining accuracy of product
And yields.
Brief description of the drawings
In order to illustrate more clearly about the embodiment of the present invention or technical scheme of the prior art, below will be to embodiment or existing
There is the required accompanying drawing used in technology description to be briefly described, it should be apparent that, drawings in the following description are only this
Some embodiments of invention, for those of ordinary skill in the art, on the premise of not paying creative work, can be with
Other accompanying drawings are obtained according to these accompanying drawings.
Fig. 1 is the method flow block diagram of the anti-seep through of moulding epidermis forming decorative materials of the present invention；
Fig. 2 is the structural representation of epidermis described in the embodiment of the present invention；
Fig. 3 is the structural representation of rear mold described in the embodiment of the present invention；
Fig. 4 is the structural representation that process-cut described in the embodiment of the present invention stretches；
The structural representation that Fig. 5 is preceding mould described in the embodiment of the present invention and rear mold is assembled；
Fig. 6 is the structural representation of A posts plaque described in the embodiment of the present invention.
Reference in above-mentioned accompanying drawing is as follows：1 is dossal hole, and 2 be sprue fabrication hole, and 3 be runner fabrication hole, 4
It is technique cut hole for the small otch of technique, 5,6 be the big otch of technique, and 7 be epidermis, and 8 be rear mold, and 9 be preceding mould, and 11 be to insert cloth pin, 12
To process hole.
Embodiment
Below in conjunction with the accompanying drawing in the present invention, the technical scheme in the present invention is clearly and completely described, shown
So, described only part of the embodiment of the present invention, rather than whole embodiments.Based on the embodiment in the present invention,
The every other embodiment that those of ordinary skill in the art are obtained on the premise of creative work is not made, belong to this
Invent the scope of protection.
Referring to Fig. 1, for the method flow block diagram of the anti-seep through of moulding epidermis forming decorative materials provided by the invention, the present invention carries
The method of the anti-seep through of moulding epidermis forming decorative materials of confession, comprises the following steps：
Step 01, industrial analysis is carried out to the moulding of epidermis forming decorative materials, knows geometry, the product size of moulding,
The raw material and shrinkage factor of moulding；
Step 02, according to the technological parameter of the epidermis forming decorative materials moulding of step 01, mould is selected, knows die cavity material, type
Chamber number and depth of cavity；
Step 03, in rear mold reasonable selection dossal hole, insert the arrangement of cloth pin, according to preceding mould and the assembly relation of rear mold,
Dossal pin and slotting cloth hole are set up in the relevant position of preceding mould；
Step 04, according to the technological parameter of the epidermis forming decorative materials mould of step 02, selected surface is banded with corresponding epidermis, it is determined that
The raw material of epidermis, shrinkage factor, geometry, epidermis size, and determine the arrangement of epidermis forming decorative materials mold cavity；
Step 05, with reference to the mold processing parameters of step 02 and the epidermis technological parameter of step 04, according to the arrangement of mold cavity
Position, the reasonable selection runner process hole position on epidermis, dossal hole is set up in epidermis and preceding mould relevant position, in epidermis and mould
Not gentle corner or abrupt tranaition corresponding to tool open up process-cut, the extension of mould before forming decorative materials are hung over epidermis by dossal hole
On cloth pin；
Step 06, industrial analysis is carried out to the moulding processed, with reference to mold flow analysis and passing defect experience, product carried out
Part subtracts glue or reversible deformation processing.
Wherein, the arrangement of the mold cavity is as follows：Because epidermis stretches filling an actor's rendering of an operatic tune in forming process, do not examine
Consider elastic shrinkage amount, process-cut upholds distance, and its deviation, within ± 0.20 mm, wherein x represents work
Skill otch upholds distance, d1Represent depth of cavity at this, d2Die cavity edge is represented to the distance of mold center's line, according to different productions
The depth of cavity of product, calculate process-cut and uphold distance；Upheld according to process-cut and ranked apart from reasonable Arrangement mould, it is described
Mold cavity avoids process-cut setting.
Wherein, the length that the process-cut opens up is as follows：According to Based on principles of crack mechanics and formula：, calculate disconnected
Opening length is split, wherein KIC is that material intrinsic property represents fracture toughness, and Y represents the form factor of breach, and σ represents component
Working stress, α represent fracture Opening length；According to the tentatively selected process-cut length of fracture Opening length.
Further, the process-cut is switched at the mm of dossal hole 30.
Accordingly, the present invention also discloses that a kind of method by the above-mentioned anti-seep through of moulding epidermis forming decorative materials designs simultaneously
The anti-seep through epidermal structure of forming decorative materials of gained.
Referring to shown in Fig. 2,3,4,5,6, the anti-seep through epidermal structure of moulding epidermis forming decorative materials, the epidermis can be used
In processing two A post plaques simultaneously, two A posts plaques are respectively positioned at left and right sides die cavity, A post plaque knots corresponding to the epidermis
As shown in figure 5, the epidermis 7 is hung over by dossal hole 1 on the dossal pin of preceding mould 9, the preceding mould 9 cooperates structure with rear mold 8,
The upside of the rear mold 8 is provided with dossal hole 1, the left and right sides is provided with and inserts cloth pin 11, the preceding corresponding position of mould 9 be furnished with dossal pin and
Insert cloth hole；The upside of epidermis 7 offers dossal hole 1, and some sprue works are offered along the midline position of the vertical direction of epidermis 7
Skill hole 2, the epidermis 7 offer runner fabrication hole 3, the sprue fabrication hole in not gentle corner corresponding with mould
2 and runner fabrication hole 3 on epidermis 7 in fall " Y " font distribution；The left and right sides of epidermis 7 is in processing corresponding with mould
The small otch 4 of technique is offered at hole 12, the epidermis 7 offers technique at the straight line both ends that sprue fabrication hole 2 is formed and cut greatly
Mouth 6, the big otch 6 of technique is opened on the center line between described two A posts plaques, and the epidermis 7 is in runner fabrication hole 3
Both sides up and down offer technique cut hole 5, the small otch 4 of technique is in " ten " font, because the effect of being stressed of epidermis 7 can be towards steep
Become region movement, therefore the phase that the technique tangent line center of the small otch 4 of the technique is moved at the processing center of hole 12 towards epidermis 7
Opposite direction is parallel to move 4 mm, and the big otch 6 of technique is linear, and the material of epidermis 7 is cloth or cladding, the work
Skill cut hole 5 is that circular port, square opening or hole are combined with line of cut.
Cloth pin permeate through epidermis is inserted during forming decorative materials, during front and rear mould matched moulds and limits its movement, due to die surface right and wrong
Plane, therefore mould assembling action tentatively can cause epidermis to stretch and tighten；Then injection molding machine starts to type intracavitary administration sizing material,
Huge pressure can be such that epidermis further tightens, and especially be lost more in the not gentle corner of transition, the epidermis tightened
Elastic expansion range, is so easy for seep through, thus together with opening around the corner with turnover curved surface suitable size process-cut, cut
Epidermis at mouthful is moved to turning abrupt change region, and the process for allowing epidermis to tighten is relaxed, and in a disguised form adds the tension energy of epidermis
Power, so as to prevent the generation of product strike-through seep through phenomenon.
In the past there has been proposed many improving countermeasures, such as increase epidermal thickness, the increase mouth of a river, reduce injection pressure, reduce
Board mold clamping force etc., these methods and techniques are started with from change molding technique parameter, can more or less influence to band into
Type effect, and the present invention starts with from epidermis, technique takes precautions against the generation of seep through phenomenon before shaping, by being corresponded in mould at abrupt change
Process-cut and fabrication hole are opened up to improve epidermis seep through phenomenon, lifts product appearance quality, it is simple in construction, it is easy to operate, just
In the machining accuracy and yields of control product.
It is worth noting that, the present invention is described in moulding epidermis forming decorative materials permeation-proof gluing method and its epidermal structure
A kind of method, other products for meeting epidermis forming decorative materials of the present invention, though material, component names, outward appearance, etc. not shadow
The factor for ringing product performance differs, and design method sequence of steps is different, is still considered as belonging to the scope of protection of the invention.
Above content is to combine specific preferred embodiment further description made for the present invention, it is impossible to is assert
The specific implementation of the present invention is confined to these explanations.For general technical staff of the technical field of the invention,
On the premise of not departing from present inventive concept, some simple deduction or replace can also be made, should all be considered as belonging to the present invention's
Protection domain.
Claims (9)
1. the method for the anti-seep through of moulding epidermis forming decorative materials, it is characterised in that this method comprises the following steps：
Step 01, industrial analysis is carried out to the moulding of epidermis forming decorative materials, knows geometry, the product size of moulding,
The raw material and shrinkage factor of moulding；
Step 02, according to the technological parameter of the epidermis forming decorative materials moulding of step 01, mould is selected, knows die cavity material, type
Chamber number and depth of cavity；
Step 03, in rear mold reasonable selection dossal hole, insert the arrangement of cloth pin, according to preceding mould and the assembly relation of rear mold,
Dossal pin and slotting cloth hole are set up in the relevant position of preceding mould；
Step 04, according to the technological parameter of the epidermis forming decorative materials mould of step 02, selected surface is banded with corresponding epidermis, it is determined that
The raw material of epidermis, shrinkage factor, geometry, epidermis size, and determine the arrangement of epidermis forming decorative materials mold cavity；
Step 05, with reference to the mold processing parameters of step 02 and the epidermis technological parameter of step 04, according to the arrangement of mold cavity
Position, the reasonable selection runner process hole position on epidermis, dossal hole is set up in epidermis and preceding mould relevant position, in epidermis and mould
Not gentle corner or abrupt tranaition corresponding to tool open up process-cut, the extension of mould before forming decorative materials are hung over epidermis by dossal hole
On cloth pin；
Step 06, industrial analysis is carried out to the moulding processed, with reference to mold flow analysis and passing defect experience, product carried out
Part subtracts glue or reversible deformation processing.
2. the method for the anti-seep through of moulding epidermis forming decorative materials according to claim 1, it is characterised in that the mould type
The arrangement of chamber is as follows：Because epidermis stretches filling an actor's rendering of an operatic tune in forming process, elastic shrinkage amount is not considered, process-cut is stretched
Open distance, and its deviation, within ± 0.20 mm, wherein x represents that process-cut upholds distance, d1Representing should
Locate depth of cavity, d2Represent that die cavity edge to the distance of mold center's line, according to the depth of cavity of different product, calculates technique
Otch upholds distance；Upheld according to process-cut and ranked apart from reasonable Arrangement mould, the mold cavity is avoided process-cut and set
Put.
3. the method for the anti-seep through of moulding epidermis forming decorative materials according to claim 1, it is characterised in that the technique is cut
The length that mouth opens up is as follows：According to Based on principles of crack mechanics and formula：, calculate fracture Opening length, wherein KICIt is material
Expect that intrinsic property represents fracture toughness, Y represents the form factor of breach, and σ represents the working stress of component, and α represents fracture opening
Length；According to the tentatively selected process-cut length of fracture Opening length.
4. the method for the anti-seep through of moulding epidermis forming decorative materials according to claim 3, it is characterised in that the technique is cut
Mouth is switched at the mm of dossal hole 30.
5. the anti-seep through epidermal structure of moulding epidermis forming decorative materials, by the method for the above-mentioned anti-seep through of moulding epidermis forming decorative materials
Design obtains, it is characterised in that dossal hole is offered on the upside of the epidermis, if being offered along the midline position of epidermis vertical direction
Dry sprue fabrication hole, the epidermis offer runner fabrication hole, the main flow in not gentle corner corresponding with mould
Road fabrication hole and runner fabrication hole are distributed on epidermis in " Y " font, corresponding with mould at left and right sides of the epidermis
Processing offers the small otch of technique at hole, and the epidermis offers technique at the straight line both ends that sprue fabrication hole is formed and cut greatly
Mouthful, the epidermis offers technique cut hole in the both sides up and down of runner fabrication hole.
6. the anti-seep through epidermal structure of moulding epidermis forming decorative materials according to claim 5, it is characterised in that the work
The small otch of skill is in " ten " font, because the epidermis effect of being stressed can be moved towards abrupt change region, therefore by the small otch of the technique
Parallel 4 mm are moved towards the opposite direction of epidermis movement in technique tangent line center at processing hole center；The big otch of technique is in straight
It is linear.
7. the anti-seep through epidermal structure of moulding epidermis forming decorative materials according to claim 5, it is characterised in that the table
Before skin is hung over by dossal hole on the dossal pin of mould.
8. the anti-seep through epidermal structure of moulding epidermis forming decorative materials according to claim 5, it is characterised in that the table
Skin material is cloth or cladding, and the technique cut hole is that circular port, square opening or hole are combined with line of cut.
9. the anti-seep through epidermal structure of moulding epidermis forming decorative materials according to claim 5, it is characterised in that the table
Skin is used to process two A post plaques simultaneously, and two A posts plaques are described respectively positioned at left and right sides die cavity corresponding to the epidermis
The big otch of technique is opened on the center line between described two A posts plaques.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610743399.1A CN107791441A (en) | 2016-08-29 | 2016-08-29 | The method and its epidermal structure of the anti-seep through of moulding epidermis forming decorative materials |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610743399.1A CN107791441A (en) | 2016-08-29 | 2016-08-29 | The method and its epidermal structure of the anti-seep through of moulding epidermis forming decorative materials |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107791441A true CN107791441A (en) | 2018-03-13 |
Family
ID=61527810
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610743399.1A Withdrawn CN107791441A (en) | 2016-08-29 | 2016-08-29 | The method and its epidermal structure of the anti-seep through of moulding epidermis forming decorative materials |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107791441A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111186078A (en) * | 2020-01-07 | 2020-05-22 | 宁波公牛电器有限公司 | Injection molding method |
-
2016
- 2016-08-29 CN CN201610743399.1A patent/CN107791441A/en not_active Withdrawn
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111186078A (en) * | 2020-01-07 | 2020-05-22 | 宁波公牛电器有限公司 | Injection molding method |
| CN111186078B (en) * | 2020-01-07 | 2021-12-07 | 宁波公牛电器有限公司 | Injection molding method |
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Application publication date: 20180313 |