CN1978178A - Drop tip - Google Patents
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- Publication number
- CN1978178A CN1978178A CN 200510127705 CN200510127705A CN1978178A CN 1978178 A CN1978178 A CN 1978178A CN 200510127705 CN200510127705 CN 200510127705 CN 200510127705 A CN200510127705 A CN 200510127705A CN 1978178 A CN1978178 A CN 1978178A
- Authority
- CN
- China
- Prior art keywords
- drip
- drip nozzle
- collector
- main body
- collector device
- 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
Links
- 239000000463 material Substances 0.000 claims abstract description 40
- 238000002844 melting Methods 0.000 claims description 25
- 230000008018 melting Effects 0.000 claims description 25
- 238000000465 moulding Methods 0.000 claims description 18
- 239000012530 fluid Substances 0.000 claims description 6
- 239000000289 melt material Substances 0.000 abstract 1
- 239000012778 molding material Substances 0.000 abstract 1
- 239000004033 plastic Substances 0.000 description 10
- 229920003023 plastic Polymers 0.000 description 10
- 238000001746 injection moulding Methods 0.000 description 7
- 238000000034 method Methods 0.000 description 7
- 230000008901 benefit Effects 0.000 description 5
- 230000008569 process Effects 0.000 description 5
- 230000003321 amplification Effects 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 238000002347 injection Methods 0.000 description 3
- 239000007924 injection Substances 0.000 description 3
- 238000003199 nucleic acid amplification method Methods 0.000 description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 239000003086 colorant Substances 0.000 description 2
- 238000000354 decomposition reaction Methods 0.000 description 2
- 208000002925 dental caries Diseases 0.000 description 2
- 125000006850 spacer group Chemical group 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 description 1
- 230000000712 assembly Effects 0.000 description 1
- 238000000429 assembly Methods 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 230000008676 import Effects 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 239000000049 pigment Substances 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 239000010936 titanium Substances 0.000 description 1
- 229910052719 titanium Inorganic materials 0.000 description 1
Landscapes
- Nozzles (AREA)
Abstract
This invention is used in inputting injected molding materials into the drip nozzle of a die from a supply end of the materials, in which, the nozzle has a main body with an internal hole and a drip channel extended from the internal hole having an arc bottom ending at a gateway for preventing melt materials from resort.
Description
Technical field
The present invention generally reaches about the injection molding, more especially in regard to the drip nozzle of injecting molding.
Background technology
The injection molding be widely known by the people be used to produce various member manufacturing method.The injection molding comprises material with a kind of fusing, as the plastics or the resin of fusing, introduces in the cavity of a mould until it is filled up.The shape of melting materials capable hardening in mould formation cavity inner surface.After the melting materials capable hardening or solidifying, the material of this hardening or curing is shifted out from cavity.
With the injection molding, collector device is generally used for from a center injection part or annotates a plurality of decanting points that the road is transported to melting materials capable several cavitys or a large mold cavity.In the U.S. Patent number 4,964,795 of Du Men (Tooman), disclosed the example of these collector devices.In this patent of invention, that the collector device has a whole piece or one, foundry goods or iron and steel, cylindrical or rectangular collector, collector have a passage and at least one by the outward extending geat of collector, and melting materials capable can pass through from passage.The terminal of geat passage is called the lock road, connects with the cavity body of mould fluid.Geat can be connected with connected drip nozzle fluid and pass mould or stop in mould.Drip nozzle has an inner hole, is roughly straight or linear from its inlet to outlet.
Also known collector device can be used for moulding colored plastic parts.The collector device is used second kind of color moulding plastic components with first kind of color earlier usually again.Yet before with second kind of color moulding, also be detained first kind of color of a part in the inside hole of drip nozzle.In the injection modeling process, several parts of beginning then can be shaped to the secondary colour of first kind and second kind color, cause substandard products.
Therefore, need provide a kind of drip nozzle, its inner hole can reduce or eliminate the situation of being detained plastics materials.Also need to provide a kind of drip nozzle, when the parts of the multiple color of moulding, in modeling process, can eliminate the situation that pigment mixes.When more needing to provide a kind of drip nozzle to be used for moulding colored plastic parts, can reduce or eliminate the substandard products that cause owing to converting colors in modeling process.Therefore, be necessary in this technology, to provide a kind of drip nozzle to satisfy this needs aspect three.
Summary of the invention
According to the above, the present invention is a drip nozzle that is used for injection moulding material is delivered to from moulding material feed end mould.Drip nozzle has a main body, and this main body comprises the hole of an inside and the drip channel of being extended by hole.This inside hole has an arc bottom, ends at the lock road and sentences and prevent the wherein delay of melting materials capable.
An advantage of the present invention is that drip nozzle is set to a new inside hole and is used for the parts of the multiple color of moulding.Another advantage of the present invention is that drip nozzle has an inner hole can eliminate the situation that plastics materials wherein is detained.And another one advantage of the present invention is that drip nozzle has an inner hole can reduce or eliminate the situation of blend of colors when injecting the parts of the multiple color of moulding.Another advantage of the present invention is that drip nozzle has an inside hole that is used for moulding colored plastic parts, can reduce or eliminate owing to change the substandard products that color causes in modeling process.
When reading ensuing description back in conjunction with the accompanying drawings the present invention was had when understanding preferably, can understand other characteristics of the present invention and advantage.
Description of drawings
Fig. 1 is the decomposition view according to drip nozzle of the present invention, expresses itself and collector device in operational relation.
Fig. 2 is that elevation view is decomposed in the amplification of the part of drip nozzle and collector device among Fig. 1.
Fig. 3 is that elevation view is decomposed in the amplification of the drip nozzle among Fig. 1 and Fig. 2.
Fig. 4 is the plane of drip nozzle among Fig. 3.
Fig. 5 is the amplification decomposition view according to another embodiment of the drip nozzle shown in Fig. 1 of the present invention.
Fig. 6 is the plan view of drip nozzle among Fig. 5.
The specific embodiment
According to diagram, particularly Fig. 1 and Fig. 2, an embodiment according to drip nozzle 10 of the present invention is applicable to a kind of collector device, generally shown in 12.Collector device 12 is used for that a kind of injection moulding material is delivered into mould (not shown) as an injection moulding machine (not shown) by drip nozzle 10 from moulding material feed end and comes parts of moulding.A cavity (not shown) is arranged in the mould.It should be noted that the melting materials capable (not shown) is by drip nozzle 10 introducing cavitys.
Collector device 12 comprises a collector 20, and it has a collector circulation passage 22.Collector device 12 also comprises at least one, is preferably several droppers or geat 24 and is extended downwards by collector 20, and have a geat circulation passage 26 and the connection of collector circulation passage 22 fluids.Circulation passage 22 and 26 can be Any shape.Geat circulation passage 26 narrows down at drip nozzle 10 places and stops.Collector device 12 further comprises a sprue bushing 28 and a sprue bushing spacer assembly 29, is connected in collector 20 in order to promote that melting materials capable is introduced collector 20.It should be noted that collector device 12 can be used a drip nozzle 10 that is used for collector device 12 more than 24 of 24, one geats of geat of one.It should be noted that equally melting materials capable can be plastics, metal, wood-fibred and plastics or the like also can be sprayed into 28 li of the sprue bushings of collector device 20 by the moulding machine (not shown).It should be noted that more collector device 12 is conventional and known in this technology.
Collector device 12 comprises at least one, is preferably several collector spacer assemblys 34 and is connected on the collector 20 with respect to geat 24.Collector device 12 also comprises at least one dropper end plug 35, it is arranged at the position of the collector passage 22 of collector 20 near each geat 24, and a fastener 36 (as fixed screw) meshes with screw thread and collector 20, is used on the collector passage 22 of collector 20 fixedly dropper end plug 35.It should be noted that collector device 12 can comprise at least one support 37, connect collector 20 in order to collector device 12 is installed on the mould.
Collector device 12 also comprises at least one, is preferably several electric heaters 38, and the periphery that is installed in collector 20, geat 24 and sprue bushing 28 with the heating plate form in detachable mode remains on an appointment or default temperature so that heat to be provided with plastics.Heater 38 is parallel to for example terminal box (not shown) of power supply with two semi-cylindrical shapeds.Clip fastener or this type of instrument (not shown) that semi-cylindrical shaped heater 38 uses with tradition in detachable mode are sandwiched in collector 20, the periphery of geat 24 and sprue bushing 28.
According to Fig. 3 and Fig. 4, drip nozzle 10 comprises a main body 40 at the terminal location of each geat 24.Main body 40 comprises that an inner hole or chamber 42 are used to insert the bottom of geat 24.Inner hole 42 in wherein extend axially and its cross section roughly ringwise.Inner hole 42 has a bottom 44, and it roughly is arc and ends at the lock road or the mouth of pipe 46.The cross section of the mouth of pipe 46 is roughly annular.The diameter of inner hole 42 is preset as in the scope of 0.125 inch to 1.00 inch and the diameter of the mouth of pipe 46 is preset as in the scope of 0.14 inch to 0.375 inch.The preset diameters of the mouth of pipe 46 is less than the preset diameters of inner hole 42.Main body 40 has a drip channel 48 to extend axially in pore 46 and is formed between the outlet 50 of its bottom.The cross section of drip channel 48 and outwards forms taper by import to outlet roughly ringwise.In an embodiment, drip channel 48 forms taper (as 1.193 degree and every English Foot 1.5 English inch or big again) with a predetermined angle and distance.Drip channel 48 is connected with inner hole 42 fluids.Main body 40 also has a top threaded portion 52, and its effect will be stated in Xia Mian Qin.Main body 40 comprises further that also an extention 54 is axially set between the bottom of threaded portion 52 and main body 40, so that annex can mesh with main body 40.Main body 40 is made by metalliferous material.Main body 40 is independent structure, is whole, single and one.
Collector device 12 can comprise at least one, is preferably several drip positioners 56.Drip positioner 56 can adopt titanium or stainless heat insulation loop, is used for drip nozzle 10 is positioned mould around being arranged at each drip nozzle 10. and stop thermal conductance between each drip nozzle 10 and the cavity body of mould.Drip positioner 56 has a hole 58, extends axially in wherein being used to insert geat 24 and drip nozzle 10.Drip positioner 56 is made by metalliferous material.Drip positioner 56 is independent structure, is whole, single and one.It should be noted, the mode of drip positioner 56 to be fit to, as use fastener, be fixed on the mould.
During operation, the melting materials capable of first kind of color sprays into collector 20 with HTHP by sprue bushing 28.The melting materials capable of first kind of color flows to geat 24 along the center circulation passage 22 of collector 20 then.The melting materials capable of first kind of color flows through geat passage 26 then.When this took place, the melting materials capable of first kind of color was by the inside hole 42 of drip nozzle 10, and lock road 46 and drip channel 48 flow in the mould with the molded part (not shown).It should be noted, whole injection process, heater 38 remains on assigned temperature by the monitoring of sensor (not shown) with melting materials capable.
Behind the melting materials capable of stopping using first kind of color, with the melting materials capable moulding of second kind of color.The melting materials capable of second kind of color flows to geat 24 along the center circulation passage 22 of collector 20 then.The melting materials capable of second kind of color flows through geat passage 26 then.The melting materials capable of second kind of color flows to lock road 46 by inner hole 42.When this took place, the flow through arcuate surfaces of bottom 44 of lock road 46 and inner hole 42 of the melting materials capable of second kind of color made all of melting materials capable of first kind of color be detained part to the upper reaches, leaves lock road 46.The melting materials capable of second kind of color flows to mould continuation molded part by the drip channel 48 of drip nozzle 10 then.It should be noted, can use the melting materials capable of multiple color to come molded part.
According to Fig. 5 and Fig. 6, be depicted as an other embodiment according to drip nozzle 10 of the present invention.The each several part similar to drip nozzle 10, its digital number increases by 100.In this embodiment, drip nozzle 110 comprises a main body 140, and it has an inner hole 142, and this hole has a bottom 144 and a lock road 146.Main body 140 also has a drip channel 148, and it has outlet 150, threaded portion 152, and set up part 154.In this embodiment, the preset diameters of inner hole 142 is greater than the preset diameters of the inside hole 42 of drip nozzle 10.The operation of drip nozzle 110 is similar to the operation of drip nozzle 10.
The present invention describes with illustration method.Wherein using term, is for the original idea of expressing words of description does not make it become restriction, please understand.
According to the above, the present invention can have many modifications and variation.Therefore, in the accessory claim scope, the present invention can not have the method for specific description to implement.
Claims (20)
1. one is used for will injecting the drip nozzle that the moulding material is conveyed into mould from moulding material feed end, and this drip nozzle comprises:
A main body, it comprises hole and the drip channel that inner thus hole extends of an inside;
This inside hole has an arc bottom that ends at the lock road, to prevent the wherein delay of melting materials capable.
2. drip nozzle as claimed in claim 1, wherein said inner hole have one first default diameter.
3. the drip nozzle described in claim 2, wherein said lock road have one second default diameter, and it is less than described first preset diameters.
4. drip nozzle as claimed in claim 2, wherein said first preset diameters are in about 0.25 inch to the scope of about 0.75 inch.
5. drip nozzle as claimed in claim 3, wherein said second preset diameters are in about 0.14 inch to the scope of about 0.25 inch.
6. drip nozzle as claimed in claim 1, wherein said inner hole extends axially into this main body.
7. the described drip nozzle of claim 1, wherein said drip channel is extended axially to an outlet by this lock road.
8. drip nozzle as claimed in claim 7, wherein said drip channel from then on spout are tapered to its outlet.
9. drip nozzle as claimed in claim 1, wherein said main body comprise a threaded portion.
10. drip nozzle as claimed in claim 9, wherein said main body comprise an annex mate, are axially set between the outlet of this threaded portion and this drip channel.
11. be used for will injecting the collector device that the moulding material delivers into a mould from moulding material feed end, this collector device comprises:
A collector, it comprises one along the collector circulation passage that wherein extends;
At least one geat extends out to a tip position by this collector, and this at least one geat comprises a geat circulation passage, is extended and is connected with its fluid by this collector circulation passage; And
At least one drip nozzle, it comprises an inner hole and the connection of this geat circulation passage fluid, this inside hole has an arc bottom to end at the lock road, to prevent the wherein delay of melting materials capable.
12. collector device as claimed in claim 11, wherein said at least one drip nozzle comprises a main body, and this main body comprises an inner hole and a drip channel of being extended by this hole.
13. collector device as claimed in claim 11, wherein said inner hole has one first preset diameters.
14. collector device as claimed in claim 13, wherein said lock road has one second preset diameters, and it is less than the first default diameter.
15. collector device as claimed in claim 12, wherein said inner hole extends axially into this main body.
16. collector device as claimed in claim 12, wherein said drip channel is extended axially to its outlet by this lock road.
17. collector device as claimed in claim 16, wherein said drip channel is tapered to its outlet by this lock road.
18. collector device as claimed in claim 12, wherein this main body comprises a threaded portion.
19. collector device as claimed in claim 18, wherein said main body comprise an annex mate, are axially set between the outlet of this threaded portion and this drip channel.
20. a drip nozzle comprises:
A main body, it comprises that an inner hole extends axially in it, and a drip channel, extend axially to an one outlet by this inside hole, and tapered by this inside hole to exporting; And
This inside hole has one first preset diameters, and it has an arc bottom, ends at its diameter and be second default and less than the lock road of first preset diameters, to prevent the wherein delay of melting materials capable.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200510127705 CN1978178A (en) | 2005-12-05 | 2005-12-05 | Drop tip |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200510127705 CN1978178A (en) | 2005-12-05 | 2005-12-05 | Drop tip |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN1978178A true CN1978178A (en) | 2007-06-13 |
Family
ID=38129560
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200510127705 Pending CN1978178A (en) | 2005-12-05 | 2005-12-05 | Drop tip |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1978178A (en) |
-
2005
- 2005-12-05 CN CN 200510127705 patent/CN1978178A/en active Pending
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |