CN106273257A - Injection mold - Google Patents
Injection mold Download PDFInfo
- Publication number
- CN106273257A CN106273257A CN201610774844.0A CN201610774844A CN106273257A CN 106273257 A CN106273257 A CN 106273257A CN 201610774844 A CN201610774844 A CN 201610774844A CN 106273257 A CN106273257 A CN 106273257A
- Authority
- CN
- China
- Prior art keywords
- glue
- slide block
- die
- die cavity
- wedge
- 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.)
- Granted
Links
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
- B29C45/2602—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
- B29C45/38—Cutting-off equipment for sprues or ingates
-
- 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
- B29C45/40—Removing or ejecting moulded articles
- B29C45/4005—Ejector constructions; Ejector operating mechanisms
Landscapes
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Mechanical Engineering (AREA)
- Moulds For Moulding Plastics Or The Like (AREA)
- Injection Moulding Of Plastics Or The Like (AREA)
Abstract
nullA kind of injection mold，For injection mo(u)lding workpiece，It includes upper mold、Lower mold、Enter gluing mechanism and material jacking mechanism，Upper mold includes upper bolster and the upper cores being arranged on upper bolster，Lower mold includes die shoe and the lower die being installed on die shoe，Upper cores coordinates to form die cavity with lower die，Enter gluing mechanism and include wedge、Enter glue slide block and taper pin，Wedge is fixed on upper bolster，Enter glue slide block be slidably installed on lower die and coordinate with wedge inclined-plane，Enter glue slide block and offer glue-feeder towards one end of die cavity，It is beneficial to inject melt plastic cement into glue slide block to die cavity，Taper pin movably through wedge with enter glue slide block，Upper bolster can drive wedge and taper pin to move away from die shoe in the lump，Enter glue slide block to move away from die cavity under the effect of taper pin，Material jacking mechanism is installed in lower mold movably，Die cavity is ejected for by shaping workpiece.The injection mold of the present invention is effectively improved the exterior quality of injection mo(u)lding workpiece.
Description
Technical field
The present invention relates to a kind of mould, particularly relate to a kind of injection mold.
Background technology
Along with manufacturing fast development, injection molding technology has been widely used in mobile terminal, household electrical appliance, automobile
Etc. industry.Existing injection molding process injected melt plastic cement in mold cavity before this, can form spy after cooled solidification
The product of shaped, then through material jacking mechanism, product and cull are ejected.But, along with the appearance requirement of product is more come by market
The highest, corresponding injection mold structure also becomes increasingly complex.Single hot flow path is used to incite somebody to action in the way of entering glue to mould traditionally
The phenomenon into glue inequality can be caused, and then have impact on the exterior quality of injection molding product.
Summary of the invention
In view of this, it is necessary to a kind of injection mold that can improve injection mo(u)lding workpiece quality is provided.
A kind of injection mold, for injection mo(u)lding workpiece, it includes upper die and lower die, enters gluing mechanism and material jacking mechanism, on this
Mould includes upper bolster and is arranged at the upper cores on this upper bolster, under this lower mold includes die shoe and is installed on this die shoe
Die, this upper cores coordinates to form die cavity with this lower die, and this enters gluing mechanism and includes wedge, enters glue slide block and taper pin, should
Wedge is fixed on this upper bolster, and this enters glue slide block and is slidably installed on this lower die and coordinates with this wedge inclined-plane, and this enters
Glue slide block offers glue-feeder towards one end of this die cavity, be beneficial to this enter glue slide block to this die cavity inject melt plastic cement, this is oblique
Pin enter glue slide block through this wedge with this movably, this upper bolster can drive this wedge and this taper pin in the lump away from
This die shoe moves, and this enters glue slide block and moves away from die cavity under the effect of taper pin, and this material jacking mechanism is installed in this movably
In lower mold, for shaping workpiece being ejected this die cavity.
Above-mentioned injection mold enters gluing mechanism by arranging one between upper mold and lower mold, with melt plastic cement is uniformly introduced to
In die cavity, it is effectively improved the injection mo(u)lding quality of workpiece, further increases the yield of workpiece.
Accompanying drawing explanation
Fig. 1 is the schematic perspective view of the injection mold in an embodiment of the present invention.
Fig. 2 is that injection mold shown in Fig. 1 is along the sectional view of II-II line.
Fig. 3 is the schematic perspective view of injection-moulded parts structural detail shown in Fig. 1.
Fig. 4 is the perspective exploded view of injection-moulded parts structural detail shown in Fig. 3.
Fig. 5 is that injection mold shown in Fig. 3 is along the sectional view of V-V line.
Fig. 6 is the enlarged drawing of injection mold VI region shown in Fig. 5.
Fig. 7 is that injection mold shown in Fig. 3 is along the sectional view of VII-VII line.
Main element symbol description
| Injection mold | 100 |
| Upper mold | 10 |
| Upper bolster | 11 |
| Glue injection channel | 111 |
| Upper cores | 12 |
| Sub-runner | 121 |
| Lower mold | 20 |
| Die shoe | 21 |
| Lower die | 22 |
| Chute | 221 |
| Keep away a hole | 222 |
| Enter gluing mechanism | 30 |
| Enter glue assembly | 31 |
| Wedge | 311 |
| First inclined-plane | 3111 |
| First inclined hole | 3112 |
| Enter glue slide block | 312 |
| Second inclined-plane | 3121 |
| Second inclined hole | 3122 |
| Enter glue chamber | 3123 |
| Glue-feeder | 3124 |
| Taper pin | 313 |
| Material jacking mechanism | 40 |
| Ejector pin | 41 |
| Prerotation vane | 411 |
| Liftout assembly | 42 |
| Thimble seat | 421 |
| Guide groove | 4211 |
| Thimble | 422 |
| Die cavity | 50 |
| Workpiece | 200 |
Following detailed description of the invention will further illustrate the present invention in conjunction with above-mentioned accompanying drawing.
Detailed description of the invention
Below in conjunction with the accompanying drawing in embodiment of the present invention, the technical scheme in embodiment of the present invention is carried out clearly
Chu, it is fully described by, it is clear that described embodiment is only a part of embodiment of the present invention rather than whole enforcement
Mode.Based on the embodiment in the present invention, those of ordinary skill in the art are obtained under not making creative work premise
The every other embodiment obtained, broadly falls into the scope of protection of the invention.
It should be noted that when an assembly is considered as " connection " another assembly, and it can be directly to separately
One assembly or may be simultaneously present assembly placed in the middle.
Unless otherwise defined, all of technology used herein and scientific terminology and the technical field belonging to the present invention
The implication that technical staff is generally understood that is identical.The term used the most in the description of the invention is intended merely to describe tool
The purpose of the embodiment of body, it is not intended that in limiting the present invention.Term as used herein " and/or " include one or more
Arbitrary and all of combination of relevant Listed Items.
Referring to Fig. 1 to Fig. 7, injection mold 100 provided by the present invention is for injection mo(u)lding workpiece 200, and it wraps
Include upper mold 10, lower mold 20, enter gluing mechanism 30 and material jacking mechanism 40.Upper mold 10 and lower mold 20 cooperate to be formed for being molded into
The die cavity 50 of type workpiece 200.Enter gluing mechanism 30 to be installed between upper mold 10 and lower mold 20 for melt plastic cement is injected this mould
In chamber 50.Material jacking mechanism 40 is installed in lower mold 20 for ejecting the shaping workpiece 200 being accommodated in die cavity 50 and residual
In the cull (not shown) entered in gluing mechanism 30.In the present embodiment, the generally rectangular shaped shape of die cavity 50, and with workpiece 200
Geomery matches.
Upper mold 10 includes upper bolster 11 and upper cores 12.The generally rectangular shaped plate structure of upper bolster 11, its approximate center position
Run through and offer glue injection channel 111, in order to extraneous melted plastic cement flows in die cavity 50 via this glue injection channel 111.Upper mold
Core 12 is fixedly installed on the upper bolster 11 side towards lower mold 20.And upper cores 12 deviates from the one side of lower mold 20 and offers multiple points
Runner 121, the plurality of sub-runner 121 intersects at the center of upper cores 12, and respectively by the center of upper cores 12 to
Extend around.In the present embodiment, the glue injection channel 111 of upper bolster 11 is corresponding to the center of upper cores 12, and difference
It is connected with multiple sub-runners 121.The free end of each sub-runner 121 runs through upper cores 12 and prolongs towards entering gluing mechanism 30
Stretch, in order to make the plastic cement melted flow into into gluing mechanism 30 via this sub-runner 121.
Lower mold 20 includes die shoe 21 and lower die 22.Lower die 22 is fixedly installed on die shoe 21 towards upper bolster 11
Side, and match with upper cores 12 to form this die cavity 50.In the present embodiment, the geomery of upper bolster 11 and lower mold
The geomery of seat 21 matches, and the geomery of the geomery of upper cores 12 and lower die 22 matches, in order to conjunction
Mold process can be formed between upper bolster 11 with die shoe 21 and upper cores 12 with lower die 22 respectively and dock fully.Under
Die 22 offers multiple chute 221 respectively towards the edge of upper cores 12 one side.
In the present embodiment, enter gluing mechanism 30 and include that four are entered glue assembly 31, and four are entered glue assembly 31 correspondence respectively
Surrounding in die cavity 50.Each enters glue assembly 31 and includes wedge 311, enters glue slide block 312 and taper pin 313.Wedge 311 is solid
Surely being arranged on upper bolster 11, it includes the first inclined-plane 3111 and the first inclined hole 3112.Enter glue slide block 312 and be slideably positioned in lower mold
In the chute 221 of core 22 correspondence, it forms the second inclined-plane 3121, the second inclined-plane 3121 and wedge corresponding to the one side of wedge 311
First inclined-plane 3111 of shape block 311 matches, and meanwhile, this enters glue slide block 312 with this wedge 311 respectively by the first inclined-plane
Cooperation between 3111 with the second inclined-plane 3121 keeps relative and slides.Enter the position of corresponding first inclined hole 3112 of glue slide block 312 also
Offering the second inclined hole 3122, taper pin 313 slides successively and is arranged in the first inclined hole 3112 and the second inclined hole 3122.See also
Fig. 7, during die sinking, upper bolster 11 drives wedge 311 and taper pin 313 to move the most straight up, and meanwhile, taper pin 313 is held in
On the hole wall of the second inclined hole 3122, and active force is F.This directed force F is decomposed, thus obtains component in the horizontal direction
F1 offsets with the spacing power of the gravity entering glue slide block 312 self and chute 221 with component F2, component F2 vertically,
Component F1 will promote to move away from die cavity 50 into glue slide block 312 along chute 221.
As shown in Figure 5 and Figure 6, enter glue slide block 312 be further opened with towards the side of this die cavity 50 multiple enter glue chamber 3123, often
One is entered glue chamber 3123 and is communicated in the sub-runner 121 of upper cores 12 correspondence, in order to the melt plastic cement in sub-runner 121 flowed into
To entering glue chamber 3123.Preferably, enter glue chamber 3123 substantially in " eight " shape, but be not limited to this.This enters glue chamber 3123 towards die cavity
Glue-feeder 3124 is extended and formed in one end of 50 from entering glue slide block 312, in order to makes into the melt plastic cement in glue chamber 3123
Flow in die cavity 50 via this glue-feeder 3124.
Material jacking mechanism 40 includes multiple ejector pin 41 and multiple liftout assembly 42.Each ejector pin 41 sequentially passes through in die shoe
21 and lower die 22, and extend to the bottom surface of die cavity 50, with when plastic cement is in die cavity 50 after curing molding workpiece 200, this ejector pin
This workpiece 200 can be ejected die cavity 50 by 41, and then personnel convenient to operate carry out feeding.Ejector pin 41 can towards one end of die cavity 50
Releasably being equiped with a prerotation vane 411, prerotation vane 411 is connected to glue-feeder 3124 and die cavity 50, is beneficial to plastic cement from glue-feeder
3124 flow out and are directed in die cavity 50 via prerotation vane 411.During the demoulding, after this workpiece 200 is ejected die cavity 50 by ejector pin 41
And during retracting, owing to one end of prerotation vane 411 is adhered to workpiece 200, it will be made to be located away from ejector pin 41.Meanwhile, guide
Cull bonding on sheet 411 will eject die cavity 50 in the lump in company with workpiece 200, it is to avoid cull falls to die cavity 50 and causes mould
Damage.
Each liftout assembly 42 includes that thimble seat 421 and thimble 422, thimble seat 421 vertical sliding motion are installed in die shoe
In 21, it offers guide groove 4211 towards one end of lower die 22, and thimble 422 is installed in guide groove 4211 and can be along guide groove
4211 move horizontally.Thimble 422 sequentially passes through in lower die 22 away from one end of thimble seat 421 and enters glue slide block 312 and extend
To entering the approximate center position in glue chamber 3123, the position of the corresponding thimble 422 of lower die 22 offers keeps away a hole 222, to keep away top, position
Pin 422 moves horizontally.During the demoulding, this enters glue slide block 312 and drives thimble 422 together to move away from die cavity 50, when glue-feeder 3124
When departing from prerotation vane 411, thimble seat 421 pushes against thimble 422 towards going out into glue chamber 3123, with the cull top that will enter in glue chamber 3123
Go out, it is simple to carry out injection molding process next time.
When injection mold 100 mold-closing injection, upper cores 12 docks to form die cavity 50, meanwhile, upper mold with lower die 22
Seat 11 docks so that entering glue slide block 312 and moving towards die cavity 50 with die shoe 21.Then, the melted plastic cement warp successively in the external world is made
By glue injection channel 111, sub-runner 121, enter glue chamber 3123 and prerotation vane 411 flows in die cavity 50, with injection mo(u)lding workpiece 200.
When injection mold 100 die sinking takes workpiece 200, upper bolster 11 drives wedge 311 and taper pin 313 the most upwards to transport
Dynamic, meanwhile, enter glue slide block 312 and move away from die cavity 50 along chute 221 under the effect of the second inclined hole 3122 at taper pin 313.Top
Workpiece 200 is ejected die cavity 50 by pin 41, and meanwhile, the cull entered in glue chamber 3123 is ejected by thimble 422, in order to next time is molded into
Type technique.
It is appreciated that and is not limited to four into glue assembly 31, should set according to the shape of actual die cavity 50.
It is appreciated that ejector pin 41 and liftout assembly 42 are not limited to multiple, it is also possible to be one.
It is appreciated that the 3111, first inclined hole the 3112, second inclined-plane, taper pin the 313, first inclined-plane 3121 and the second inclined hole 3122
It is parallel to each other.
Being appreciated that in other embodiments, liftout assembly 42 can omit, but is not limited to this.
Injection mold 100 provided by the present invention by entering gluing mechanism 30 so that melt plastic cement uniformly introduces to die cavity 50
In, it is effectively improved the injection mo(u)lding quality of workpiece 200.Meanwhile, this case also by liftout assembly 42 with by injection mold 100
Cull ejects, and extends the service life of injection mold 100.
Those skilled in the art it should be appreciated that above embodiment be intended merely to illustrate the present invention,
And be not used as into limitation of the invention, as long as within the spirit of the present invention, embodiment of above being made
Suitably change and change all falls within the scope of protection of present invention.
Claims (10)
1. an injection mold, for injection mo(u)lding workpiece, it includes upper die and lower die, enters gluing mechanism and material jacking mechanism, this upper mold
Including upper bolster and be arranged at the upper cores on this upper bolster, this lower mold includes die shoe and is installed in the lower mold on this die shoe
Core, this upper cores coordinates to form die cavity with this lower die, it is characterised in that: this enters gluing mechanism and includes wedge, enters glue slide block
And taper pin, this wedge is fixed on this upper bolster, this enter glue slide block be slidably installed on this lower die and with this wedge inclined-plane
Coordinating, this enters glue slide block and offers glue-feeder towards one end of this die cavity, is beneficial to this and enters glue slide block and inject to this die cavity melted
Plastic cement, this taper pin enters glue slide block through this wedge with this movably, and this upper bolster can drive this wedge and this is oblique
Pin moves away from this die shoe in the lump, and this enters glue slide block and moves away from die cavity under the effect of taper pin, and this material jacking mechanism is movable
Be installed in this lower mold, for shaping workpiece being ejected this die cavity.
2. injection mold as claimed in claim 1, it is characterised in that: this upper bolster runs through and offers glue injection channel, this upper mold
Core deviates from the one side of this lower die and offers multiple sub-runner, and the plurality of sub-runner is connected with this glue injection channel respectively, each
Individual sub-runner runs through this upper cores away from one end of this glue injection channel and extends to this and enter glue slide block, with by melt plastic cement via this
Sub-runner branches to this and enters glue slide block.
3. injection mold as claimed in claim 1, it is characterised in that: this enters glue slide block and is further opened with towards the side of this die cavity
Entering glue chamber, this enters glue chamber and is communicated in the sub-runner that this upper cores is corresponding, and this enters the melt plastic cement in glue chamber via this glue-feeder stream
Enter in this die cavity.
4. injection mold as claimed in claim 1, it is characterised in that: this lower die offers cunning towards this upper cores one side
Groove, this enters glue slide block and is slideably positioned in this chute.
5. injection mold as claimed in claim 1, it is characterised in that: this wedge includes the first inclined-plane, and this enters glue slide block pair
Should form the second inclined-plane in the one side of this wedge, this second inclined-plane and this first slopes which match, this enters glue slide block and this wedge
The second inclined-plane is relative slides with this by this first inclined-plane for shape block.
6. injection mold as claimed in claim 5, it is characterised in that: this wedge also includes the first inclined hole, and this enters glue slide block
To the position of the first inclined hole being further opened with the second inclined hole, this taper pin slides successively and is arranged in this first inclined hole and this is second oblique
Hole.
7. injection mold as claimed in claim 1, it is characterised in that: this material jacking mechanism includes ejector pin, and this ejector pin sequentially passes through
In this die shoe and this lower die and extend in this die cavity, so that this workpiece is ejected this die cavity.
8. injection mold as claimed in claim 7, it is characterised in that: this ejector pin is removably installed towards one end of this die cavity
Having a prerotation vane, this prerotation vane is connected to this glue-feeder and die cavity, be beneficial to make melt plastic cement to flow out from this glue-feeder and via
This prerotation vane is directed in this die cavity.
9. injection mold as claimed in claim 8, it is characterised in that: this material jacking mechanism also includes liftout assembly, this liftout group
Part includes thimble seat and thimble, and this thimble seat is slidably installed in this die shoe, and this thimble seat is opened towards one end of this lower die
Being provided with guide groove, this thimble is installed in this guide groove and can slide along guide groove, and this thimble passes through successively away from one end of this thimble seat
Being through at this lower die and this enters glue slide block and extends in glue chamber, this cull entered in glue chamber can be ejected by this thimble.
10. injection mold as claimed in claim 9, it is characterised in that: the position of this lower die this thimble corresponding offers to be kept away
Hole, position, to keep away this thimble of position.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610774844.0A CN106273257B (en) | 2016-08-31 | 2016-08-31 | Injection mold |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610774844.0A CN106273257B (en) | 2016-08-31 | 2016-08-31 | Injection mold |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106273257A true CN106273257A (en) | 2017-01-04 |
| CN106273257B CN106273257B (en) | 2019-05-14 |
Family
ID=57672937
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610774844.0A Expired - Fee Related CN106273257B (en) | 2016-08-31 | 2016-08-31 | Injection mold |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106273257B (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107718459A (en) * | 2017-10-18 | 2018-02-23 | 深圳市长盈精密技术股份有限公司 | Handset front case injecting mechanism and its injection moulding process |
| CN107718460A (en) * | 2017-11-14 | 2018-02-23 | 深圳创维－Rgb电子有限公司 | It is a kind of to be combined the unit from the injection of dynamic circuit breaker glue |
| CN108312448A (en) * | 2017-01-17 | 2018-07-24 | 汉达精密电子(昆山)有限公司 | Runner ejecting structure |
| CN110053221A (en) * | 2019-05-24 | 2019-07-26 | 宁波隆威婴儿用品有限公司 | A kind of cup slip lid injection mold |
| CN110126212A (en) * | 2019-06-28 | 2019-08-16 | 宇龙计算机通信科技(深圳)有限公司 | A kind of injection mold |
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| CN202106510U (en) * | 2011-04-14 | 2012-01-11 | 福州蓝卡潞工业有限公司 | Sliding block glue feeding mechanism of mold |
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| CN204773384U (en) * | 2015-07-11 | 2015-11-18 | 龙口道恩模具有限公司 | Slider takes off material entering gluey mechanism |
| CN205167417U (en) * | 2015-10-27 | 2016-04-20 | 苏州启点机械有限公司 | Exempt from to cut jelly mold utensil |
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2016
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108312448A (en) * | 2017-01-17 | 2018-07-24 | 汉达精密电子(昆山)有限公司 | Runner ejecting structure |
| CN108312448B (en) * | 2017-01-17 | 2020-10-27 | 汉达精密电子(昆山)有限公司 | Runner ejection structure |
| CN107718459A (en) * | 2017-10-18 | 2018-02-23 | 深圳市长盈精密技术股份有限公司 | Handset front case injecting mechanism and its injection moulding process |
| CN107718460A (en) * | 2017-11-14 | 2018-02-23 | 深圳创维－Rgb电子有限公司 | It is a kind of to be combined the unit from the injection of dynamic circuit breaker glue |
| CN110053221A (en) * | 2019-05-24 | 2019-07-26 | 宁波隆威婴儿用品有限公司 | A kind of cup slip lid injection mold |
| CN110053221B (en) * | 2019-05-24 | 2023-11-28 | 宁波隆威婴儿用品有限公司 | Injection mold for sliding cover of water cup |
| CN110126212A (en) * | 2019-06-28 | 2019-08-16 | 宇龙计算机通信科技(深圳)有限公司 | A kind of injection mold |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106273257B (en) | 2019-05-14 |
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