CN106113417A - The production method of automobile injection sill course and production mould thereof - Google Patents
The production method of automobile injection sill course and production mould thereof Download PDFInfo
- Publication number
- CN106113417A CN106113417A CN201610771145.0A CN201610771145A CN106113417A CN 106113417 A CN106113417 A CN 106113417A CN 201610771145 A CN201610771145 A CN 201610771145A CN 106113417 A CN106113417 A CN 106113417A
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- Prior art keywords
- sill course
- formed product
- production
- product chamber
- mavable module
- 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.)
- Pending
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- 238000002347 injection Methods 0.000 title claims abstract description 41
- 239000007924 injection Substances 0.000 title claims abstract description 41
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 37
- 239000000463 material Substances 0.000 claims abstract description 23
- 239000003292 glue Substances 0.000 claims abstract description 15
- 239000004033 plastic Substances 0.000 claims abstract description 15
- 238000007789 sealing Methods 0.000 claims abstract description 15
- 238000000034 method Methods 0.000 claims abstract description 13
- 239000003365 glass fiber Substances 0.000 claims abstract description 5
- 238000007711 solidification Methods 0.000 claims abstract description 4
- 230000008023 solidification Effects 0.000 claims abstract description 4
- 230000013011 mating Effects 0.000 claims description 2
- 239000000203 mixture Substances 0.000 claims description 2
- 239000004677 Nylon Substances 0.000 abstract description 4
- 229920001778 nylon Polymers 0.000 abstract description 4
- 230000007423 decrease Effects 0.000 abstract description 2
- 238000000465 moulding Methods 0.000 description 5
- 238000013461 design Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 238000009826 distribution Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000005498 polishing Methods 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- 208000002193 Pain Diseases 0.000 description 1
- 208000031481 Pathologic Constriction Diseases 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 238000004458 analytical method Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000007667 floating Methods 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 230000035800 maturation Effects 0.000 description 1
- 230000036407 pain Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 238000007790 scraping Methods 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 210000001215 vagina Anatomy 0.000 description 1
- 238000012795 verification Methods 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 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
- B29C45/17—Component parts, details or accessories; Auxiliary operations
- B29C45/26—Moulds
- B29C45/34—Moulds having venting means
-
- 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
- B29C45/2701—Details not specific to hot or cold runner channels
- B29C45/2708—Gates
-
- 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
- B29C2045/0089—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor successive filling of parts of a mould cavity, i.e. one cavity part being filled before another part is filled
-
- 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
- B29C45/2701—Details not specific to hot or cold runner channels
- B29C45/2708—Gates
- B29C2045/2709—Gates with a plurality of mould cavity inlets in close proximity
-
- 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
- B29C2945/00—Indexing scheme relating to injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould
- B29C2945/76—Measuring, controlling or regulating
- B29C2945/76655—Location of control
- B29C2945/76732—Mould
- B29C2945/76752—Mould runners, nozzles
- B29C2945/76755—Mould runners, nozzles nozzles
-
- 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
- B29C45/76—Measuring, controlling or regulating
- B29C45/77—Measuring, controlling or regulating of velocity or pressure of moulding material
Landscapes
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Mechanical Engineering (AREA)
- Body Structure For Vehicles (AREA)
Abstract
The present invention relates to production method and the production mould thereof of a kind of automobile injection sill course, mould includes fixed half and moving half, cover half includes panel, cover half frame and fixed mold core, dynamic model includes base plate, dynamic model frame and mavable module core, fixed mold core forms formed product chamber with the faying face of mavable module core, is provided with the straight jacking block of the sealing matched with shape of product between described fixed mold core and mavable module core at the die joint formed；This production mould uses sequence valve side gate to enter the mode of glue；Method is: by being heated, the plastic material melted is injected in formed product chamber by sequence valve side gate high pressure, and plastic material is mixed by nylon material and glass fiber material；After injecting the cooled solidification of the plastic material in formed product chamber, obtain shaped article；Fixed half and moving half separates, and the straight jacking block of sealing directly ejects shaped article, and defensive position tears pickup.The injection production efficiency of automobile injection sill course is higher, and product size is more stable, and profile is more attractive, decreases the cost of automotive trim manufacturer to greatest extent.
Description
Technical field
The present invention relates to production method and the production mould thereof of a kind of automobile injection sill course.
Background technology
Automobile injection sill course originates from the high-end car of the U.S., at first only uses on chrysler motor, high with intensity,
Product is attractive in appearance, assembling is easy and substitutes original rubber strip.The most gradually it is in use to the ford of the universal vehicle of the U.S., the U.S.
On, and continued to use by other high-end Europe system car.
Along with maturation and the emergence of China Auto Market, the sale of scale makes the joint venture of China gradually experience
The pressure of external directly imported product, high product price, longer haulage time, the communication of inconvenience, substantially zeroed
After-sale service and supplier's system of advantage allow car load factory recall past pains to domesticize.The first step of production domesticization is to select
The foreign capitals of domestic production are molded supplier, and sky-high price is bought European mould and returned to produce；The second step of production domesticization refers to
Fixed mold factory carries out the research of technique of window frame mould, but still has foreign capitals to be molded supplier and produce；3rd step of production domesticization is then
Being developed jointly light-weighted product by domestic mould factory and injection factory completely, Die price reduces to original 1/2nd, note
Molding product price reduces to original 1/3rd.
Summary of the invention
The technical problem to be solved in the present invention is: in order to overcome the deficiencies in the prior art, it is provided that a kind of automobile note
The production method of plastic window moulding and production mould thereof.
The technical solution adopted for the present invention to solve the technical problems is: the production mould of automobile injection sill course, its bag
Including fixed half and moving half, cover half includes panel, cover half frame and fixed mold core, and dynamic model includes base plate, dynamic model frame and mavable module core, fixed mold core with
The faying face of mavable module core forms formed product chamber, is provided with and produces between described fixed mold core and mavable module core at the die joint formed
The straight jacking block of sealing of product mating shapes；This production mould uses sequence valve side gate to enter the mode of glue.
Limit further, there is between the fixed mold core described in technique scheme and mavable module core locating piece, locating piece with
Mavable module core is fixing to be connected, and the two sides of locating piece are respectively cooperating with being fixed with wear-resistant block.
Limiting further, the cover half described in technique scheme is provided with air discharge duct, air discharge duct is along the skin of product
Border, stricture of vagina face.
Limit further, the panel described in technique scheme and be provided with hot runner manifold, hot flow path between cover half frame
Hot flow path is distributed on plate.
The production mould utilizing automobile injection sill course steams the method for car injection sill course next life, and step is as follows:
S1: the plastic material melted is injected in formed product chamber by sequence valve side gate high pressure by being heated, plastic material
Mixed by nylon material and glass fiber material；
S2: after injecting the cooled solidification of the plastic material in formed product chamber, obtain shaped article, this shaped article in
" C " font back-off；
S3: fixed half and moving half separates, and the straight jacking block of sealing directly ejects shaped article, and defensive position tears pickup.
Limiting further, the straight jacking block of sealing described in technique scheme is adding temper after employing in man-hour is opened slightly.
Limiting further, the quantity in the formed product chamber described in technique scheme is two, two formed product chambeies
The quantity of corresponding sequence valve side gate is identical, each formed product chamber with stepping glue, and each formed product chamber enter glue
Time is 0～3.52s.
The invention has the beneficial effects as follows: utilize the production mould of automobile injection sill course to produce the all-in-one car note obtained
Plastic window moulding is obtained for well control in each side such as raw material, technique, size, deformation, and for comparing rubber strip, automobile is noted
The injection production efficiency of plastic window moulding is higher, and product size is more stable, and profile is more attractive, decreases automotive trim to greatest extent raw
Produce the cost of producer, simplify the installation difficulty of main engine plants' streamline.
Accompanying drawing explanation
In order to be illustrated more clearly that the embodiment of the present invention or technical scheme of the prior art, below will be to embodiment or existing
In having technology to describe, the required accompanying drawing used does and introduces simply.
Fig. 1 is the structural representation of automobile injection sill course；
Fig. 2 is the sectional view of Fig. 1；
Fig. 3 is the structural representation one of the production mould of automobile injection sill course；
Fig. 4 is the structural representation two of the production mould of automobile injection sill course；
Fig. 5 is the partial enlarged drawing in Fig. 3 at A；
Fig. 6 is the partial enlarged drawing in Fig. 4；
Fig. 7 is the production mould valve gate distribution schematic diagram of automobile injection sill course；
Fig. 8 is that the production mould valve gate of automobile injection sill course enters glue schematic diagram；
Fig. 9 is the production mould air discharge duct distribution schematic diagram of automobile injection sill course.
Figure is numbered: 1, panel；2, cover half frame；3, fixed mold core；4, base plate；5, dynamic model frame；6, mavable module core；7, sealing is straight
Jacking block；8, locating piece；9, wear-resistant block；10, hot runner manifold；11, hot flow path；12, dermatoglyph face；13, air discharge duct.
Detailed description of the invention
The present invention is further described with embodiment below in conjunction with the accompanying drawings, the composition represented by example below whole in
Hold and be not limited to as necessary to the solution of the invention described in claim.
See Fig. 1, the lightweight of saving and automobile in order to realize resource, ensureing enough intensity, rigidity and good
Fatigue endurance performance, the wall thickness of automobile injection sill course is gradually reduced to 2.5mm by 3.0mm, then by 2.5mm reduce to
2.0mm, finally reduces to 1.5mm.It addition, the profile length of product is about 1375mm, cross-sectional width is about 30mm.
Seeing that Fig. 2, the left side in the dermatoglyph face 12 of automobile injection sill course border are divided into two by PL die joint, product is without disconnected
In the case of difference, dermatoglyph face does not the most have border, therefore requires that the cooperation offset of mold cavity and core is within 0.01mm.
Seeing Fig. 3, Fig. 4, Fig. 5 and Fig. 6, the production mould of automobile injection sill course, it includes that fixed half and moving half, cover half include
Panel 1, cover half frame 2 and fixed mold core 3, dynamic model includes base plate 4, dynamic model frame 5 and mavable module core 6, fixed mold core 3 and the combination of mavable module core 6
Face forms formed product chamber, is provided with the envelope matched with shape of product between fixed mold core 3 and mavable module core 6 at the die joint formed
The straight jacking block of glue 7, the size of the straight jacking block of sealing 7 is 500mm × 80mm × 110mm；The straight jacking block of sealing 7 requires sealing 2～3mm, envelope
Glue surface is longer, and total length precision need to control within 0.01mm, and need to ensure mould 300,000 mould service life, root R0.2 chamfering.
Having locating piece 8 between fixed mold core 3 and mavable module core 6, locating piece 8 is fixing with mavable module core 6 to be connected, and the two sides of locating piece 8 are divided
Pei He not be fixed with wear-resistant block 9, the flank angle of locating piece 8 is 10 °.It addition, it is cold to increase by a road Balancing Water Systems on locating piece 8
But, prevent miniature deformation from affecting quality of fit.It is provided with hot runner manifold 10 between panel 1 and cover half frame 2, hot runner manifold 10 divides
It is furnished with hot flow path 11.
See that Fig. 7, the quantity in formed product chamber are two, the quantity of the sequence valve side gate corresponding to two formed product chambeies
Identical, whole set of die uses 18 dot sequency valves to enter glue, and single product uses 9 dot sequency valves to enter glue.
Seeing Fig. 8, each formed product chamber is with stepping glue, and the glue time of entering in each formed product chamber is 0～3.52s.If
The opening time determining G1 and G1 ' is 0s；The opening time of G2, G2 ', G3 and G3 ' is 1.47s；G4, G4 ', G5 and G5 ' open
Time is 2.15s；The opening time of G6, G6 ', G7 and G7 ' is 2.74s；The opening time of G8, G8 ', G9 and G9 ' is 3.52s.
This production mould uses sequence valve side gate to enter the mode of glue, the design of mould gate and Moldflow analysis verification
The most crucial: a. checking fill whether balance, with or without being detained, runner forward's temperature the most reasonable, it is to avoid shrink uneven and outward appearance
Aberration；B. whether checking injection pressure is within material and mould allowed band, it is to avoid injection pressure is excessive, mould is swollen, and mould occurs
Overlap, burr；C. whether checking weld mark affects product appearance or intensity, it is to avoid product appearance is bad and intensity is not enough；D. test
Whether card deformation of products amount is within reasonable value, it is ensured that the coupling of product and installation capability.
Seeing Fig. 9, cover half is provided with air discharge duct 13, air discharge duct 13 is along the border, dermatoglyph face 12 of product.
The production mould utilizing automobile injection sill course steams the method for car injection sill course next life, and step is as follows:
S1: the plastic material melted is injected in formed product chamber by sequence valve side gate high pressure by being heated, plastic material
Mixed by nylon material PA6 and glass fiber material GF15；Nylon material is harder, and the glass fiber material then mobility of addition 15% is more
Difference, in order to avoid there is floating fine problem, and ensures the outward appearance of product, needs to control to want injection pressure and injection speed.
S2: after injecting the cooled solidification of the plastic material in formed product chamber, obtain shaped article, this shaped article in
" C " font back-off, uses at the back-off of border and directly ejects, and need to consider that two reserves the position that hands is grabbed, the knot of the straight jacking block of sealing 7
Structure is elongated, processes yielding, and for preventing stress from concentrating, the straight jacking block of sealing 7 is adding temper after employing in man-hour is opened slightly.
S3: fixed half and moving half separates, and the straight jacking block of sealing 7 directly ejects shaped article, and defensive position tears pickup.Wherein, die sinking
Face surrounding 1 ° of fine positioning of design, it is ensured that fixed half and moving half closing precision is within positive and negative 0.01mm, thus ensures a point mould PL wire clamp
Line error is within 0.02mm.Due to, product clamp error is within 0.02mm, therefore the positioning requirements of locating piece 8 and cover half is relatively
Height, with ensure Combined machining, join mould, polishing, molding time mould location consistent, accurately.It addition, folder need to be seen from horizontal direction
Mouthful, in order to the polishing tools such as oilstone stretch into.
Owing to automobile injection sill course is automotive visual part, thus the highest to its appearance requirement, and appearance requirement passes through quality
Portion two or more personnel careful observation under eight daylight lamp, and the front of automobile injection sill course requires as zero-fault.It addition,
Owing to automobile injection sill course structure limits, fixed half and moving half divide mould PL face in appearance, so split pattern PL wire clamp line requirement
The highest.
In order to increase the aesthetics of automobile injection sill course, at the thin dermatoglyph of front increase of automobile injection sill course, but meeting
Causing defect to be amplified, therefore the requirement to mould and Shooting Technique is the highest, is not allow for scraping feel, and the border of thin dermatoglyph is necessary
Increase the design of aerofluxus.
Described above to the disclosed embodiments, makes professional and technical personnel in the field be capable of or uses the present invention.
Multiple amendment to these embodiments will be apparent from for those skilled in the art, as defined herein
General Principle can realize without departing from the spirit or scope of the present invention in other embodiments.Therefore, the present invention
It is not intended to be limited to the embodiments shown herein, and is to fit to and principles disclosed herein and features of novelty phase one
The widest scope caused.
Claims (7)
1. the production mould of automobile injection sill course, it includes that fixed half and moving half, cover half include panel (1), cover half frame (2) and determine
Die (3), dynamic model includes that base plate (4), dynamic model frame (5) and mavable module core (6), fixed mold core (3) are formed with the faying face of mavable module core (6)
Formed product chamber, it is characterised in that: it is provided with and produces at the die joint formed between described fixed mold core (3) and mavable module core (6)
The straight jacking block of the sealing (7) of product mating shapes；This production mould uses sequence valve side gate to enter the mode of glue.
2. the production mould of automobile injection sill course as claimed in claim 1, it is characterised in that: described fixed mold core (3) and
Having locating piece (8) between mavable module core (6), locating piece (8) is fixing with mavable module core (6) to be connected, and the two sides of locating piece (8) are divided
Pei He not be fixed with wear-resistant block (9).
3. the production mould of automobile injection sill course as claimed in claim 1, it is characterised in that: it is provided with on described cover half
Air discharge duct (13), air discharge duct (13) is along dermatoglyph face (12) border of product.
4. the production mould of automobile injection sill course as claimed in claim 1, it is characterised in that: described panel (1) is with fixed
It is provided with hot runner manifold (10) between framed (2), hot flow path (11) on hot runner manifold (10), is distributed.
5. the production mould utilizing automobile as claimed in claim 1 injection sill course steams the side of car injection sill course next life
Method, it is characterised in that: specifically comprise the following steps that
S1: the plastic material melted is injected in formed product chamber by sequence valve side gate high pressure by being heated, and plastic material is by Buddhist nun
Dragon material and glass fiber material mix；
S2: after injecting the cooled solidification of the plastic material in formed product chamber, obtain shaped article, this shaped article is in " C " word
Type back-off；
S3: fixed half and moving half separates, and the straight jacking block of sealing (7) directly ejects shaped article, and defensive position tears pickup.
6. the production method of automobile injection sill course as claimed in claim 5, it is characterised in that: the straight jacking block of described sealing
(7) temper after employing in man-hour is opened slightly is being added.
7. the production method of automobile injection sill course as claimed in claim 5, it is characterised in that: described formed product chamber
Quantity is two, and the quantity of the sequence valve side gate corresponding to two formed product chambeies is identical, the same stepping in each formed product chamber
Glue, and the glue time of entering in each formed product chamber be 0～3.52s.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610771145.0A CN106113417A (en) | 2016-08-30 | 2016-08-30 | The production method of automobile injection sill course and production mould thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610771145.0A CN106113417A (en) | 2016-08-30 | 2016-08-30 | The production method of automobile injection sill course and production mould thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106113417A true CN106113417A (en) | 2016-11-16 |
Family
ID=57272244
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610771145.0A Pending CN106113417A (en) | 2016-08-30 | 2016-08-30 | The production method of automobile injection sill course and production mould thereof |
Country Status (1)
| Country | Link |
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| CN (1) | CN106113417A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113752481A (en) * | 2021-10-11 | 2021-12-07 | 嘉兴信元精密模具科技有限公司 | Novel positioning structure of low-pressure injection molding mold |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201329661Y (en) * | 2009-01-16 | 2009-10-21 | 延锋伟世通汽车模具有限公司 | Demolding apparatus for mold |
| CN205395023U (en) * | 2016-03-11 | 2016-07-27 | 合肥汇通控股股份有限公司 | Take mould structure of sequence valve hot runner |
| CN206170565U (en) * | 2016-08-30 | 2017-05-17 | 常州博赢模具有限公司 | Mould plastics production mould of window frame strip of car |
-
2016
- 2016-08-30 CN CN201610771145.0A patent/CN106113417A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201329661Y (en) * | 2009-01-16 | 2009-10-21 | 延锋伟世通汽车模具有限公司 | Demolding apparatus for mold |
| CN205395023U (en) * | 2016-03-11 | 2016-07-27 | 合肥汇通控股股份有限公司 | Take mould structure of sequence valve hot runner |
| CN206170565U (en) * | 2016-08-30 | 2017-05-17 | 常州博赢模具有限公司 | Mould plastics production mould of window frame strip of car |
Non-Patent Citations (2)
| Title |
|---|
| 梁键钊等: "《机械工程实训 第二版》", 31 July 2016, 中国轻工业出版社 * |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113752481A (en) * | 2021-10-11 | 2021-12-07 | 嘉兴信元精密模具科技有限公司 | Novel positioning structure of low-pressure injection molding mold |
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Application publication date: 20161116 |
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| RJ01 | Rejection of invention patent application after publication |