CN109366875A - Injection nozzle and injection molding machine with it - Google Patents
Injection nozzle and injection molding machine with it Download PDFInfo
- Publication number
- CN109366875A CN109366875A CN201811425996.5A CN201811425996A CN109366875A CN 109366875 A CN109366875 A CN 109366875A CN 201811425996 A CN201811425996 A CN 201811425996A CN 109366875 A CN109366875 A CN 109366875A
- Authority
- CN
- China
- Prior art keywords
- glue
- plastic emitting
- groove
- injection
- channel
- 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.)
- Withdrawn
Links
- 238000002347 injection Methods 0.000 title claims abstract description 82
- 239000007924 injection Substances 0.000 title claims abstract description 82
- 238000001746 injection moulding Methods 0.000 title claims abstract description 15
- 239000003292 glue Substances 0.000 claims abstract description 112
- 239000004033 plastic Substances 0.000 claims abstract description 107
- 229920003023 plastic Polymers 0.000 claims abstract description 107
- 239000000084 colloidal system Substances 0.000 claims abstract description 46
- 238000001914 filtration Methods 0.000 claims abstract description 24
- 238000002844 melting Methods 0.000 claims abstract description 14
- 230000008018 melting Effects 0.000 claims abstract description 14
- 238000010438 heat treatment Methods 0.000 claims description 3
- 239000012535 impurity Substances 0.000 abstract description 10
- 238000000034 method Methods 0.000 description 3
- 239000002994 raw material Substances 0.000 description 3
- 239000000654 additive Substances 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000003116 impacting effect Effects 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- 229920000426 Microplastic Polymers 0.000 description 1
- 230000000996 additive effect Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 239000012141 concentrate Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000000945 filler Substances 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 238000012216 screening Methods 0.000 description 1
- 239000003381 stabilizer Substances 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
- B29C45/20—Injection nozzles
Landscapes
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Mechanical Engineering (AREA)
- Injection Moulding Of Plastics Or The Like (AREA)
- Coating Apparatus (AREA)
Abstract
The present invention provides a kind of injection nozzle and the injection molding machine with it, the injection nozzle is internally provided with the injection channel flowed through for melting colloid, filter device is provided in the injection channel, on the flow direction along colloid, the filter device is in turn divided into glue end, filtering end and plastic emitting end, the periphery into glue, plastic emitting end and matches with the inner surface of the injection channel；Be provided at least one on the lateral wall of the filtering end into glue groove and at least one plastic emitting groove, it is described to be arranged into glue groove and plastic emitting groove interval, and into the slot between glue groove and plastic emitting groove along between the inner surface of injection channel with gap；It is described into be provided on glue end it is several flow into the glue feeding channel into glue groove for colloid, several plastic emitting channels for colloid outflow plastic emitting groove are provided on plastic emitting end.So as to filter the impurity in colloid.
Description
Technical field
The present invention relates to injection-moulding device technical field more particularly to a kind of injection nozzle and with its injection molding machine.
Background technique
Injection molding machine is a kind of machine of injection-moulding plastic, when work, can be melted solid plastics particle raw material,
To obtain melting colloid, and melting colloid is injected into hot runner system by expects pipe and injection nozzle and is formed.In practice,
The additives such as feed back and some stabilizers, the filler of recycling and reusing would generally be added in plastic pellet raw material, due to modeling
Expect that raw material is different with the fusing point of additive, occurs failing sufficiently to melt under different operating conditions so as to cause the melting colloid in expects pipe
Change, with bulky grain solid matter etc., i.e. melting colloid includes impurity.It is understood that this will cause hot runner system
The various bad phenomenons such as blocking and product mixing, impurity.
Therefore, in injection molding machine, melting colloid how is filtered, just becomes a urgent problem to be solved.
Summary of the invention
The purpose of the present invention is to provide a kind of injection nozzle and with its injection molding machine.
One of in order to achieve the above-mentioned object of the invention, an embodiment of the present invention provides a kind of injection nozzle, the injection nozzle
Be internally provided with for the injection channel that flows through of melting colloid, be provided with filter device in the injection channel, in which: along
On the flow direction of colloid, the filter device is in turn divided into glue end, filtering end and plastic emitting end, it is described into glue,
The periphery of plastic emitting end is matched with the inner surface of the injection channel；At least one is provided on the lateral wall of the filtering end
It is a into glue groove and at least one plastic emitting groove, it is described to be arranged into glue groove and plastic emitting groove interval, and into glue groove and plastic emitting
Slot between groove between the inner surface of injection channel along having gap；It is described several for colloid stream into being provided on glue end
Enter the glue feeding channel into glue groove, several plastic emitting channels for colloid outflow plastic emitting groove are provided on plastic emitting end.
As the further improvement of an embodiment of the present invention, the quantity of the glue feeding channel is equal to the number into glue groove
Amount, and different glue feeding channels be communicated to it is different into glue groove；The quantity in the plastic emitting channel is equal to the quantity of plastic emitting groove,
And different plastic emitting channels is communicated to different plastic emitting grooves.
It is described to be into glue end, filtering end and plastic emitting end as the further improvement of an embodiment of the present invention
Cylindrical body, and center line is identical.
It is described parallel into glue groove and the center line of plastic emitting groove as the further improvement of an embodiment of the present invention
In the center line.
As the further improvement of an embodiment of the present invention, it is described into glue groove and plastic emitting groove be arc-shaped recessed
Slot.
As the further improvement of an embodiment of the present invention, on colloid flow direction, glue feeding channel runs through into glue end
Portion, one end of glue feeding channel are connected with into glue groove；On colloid flow direction, plastic emitting end, plastic emitting are run through in plastic emitting channel
The one end in channel is connected with plastic emitting groove.
As the further improvement of an embodiment of the present invention, the end face into the separate filtering end in glue end
Center is provided with the first recess portion, and the centre of the recess portion is provided with the first centrum, one end of the glue feeding channel be connected into
Glue groove, the other end are set to around the first centrum.
As the further improvement of an embodiment of the present invention, the end face of the separate filtering end in the plastic emitting end
Center is provided with the second recess portion, the centre of the recess portion is provided with the second centrum, the one end in the plastic emitting channel is connected to out
Glue groove, the other end are set to around the second centrum.
As the further improvement of an embodiment of the present invention, heating wire is wound on the lateral wall of the injection nozzle.
The embodiment of the invention also provides a kind of injection molding machines, comprising: injection machine gun barrel, above-mentioned injection nozzle and hot flow path system
System；The outlet of the injection machine gun barrel to the injection nozzle injection channel entrance, the outlet of the injection channel connects
Lead to the entrance of the hot runner system.
Compared with the existing technology, the technical effects of the invention are that: the embodiment of the invention provides a kind of injection nozzle and tools
There is its injection molding machine, the injection nozzle is internally provided with the injection channel flowed through for melting colloid, in the injection channel
It is provided with filter device, on the flow direction along colloid, the filter device is in turn divided into glue end, filtering end
With plastic emitting end, the periphery into glue, plastic emitting end is matched with the inner surface of the injection channel；The filtering end
At least one is provided on lateral wall into glue groove and at least one plastic emitting groove, it is described to be set into glue groove and plastic emitting groove interval
It sets, and into the slot edge between glue groove and plastic emitting groove and there is gap between the inner surface of injection channel；It is described into glue end
On be provided with it is several flow into the glue feeding channel into glue groove for colloid, be provided with and several flowed out out for colloid on plastic emitting end
The plastic emitting channel of glue groove.So as to filter the impurity in colloid.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the injection nozzle in the embodiment of the present invention；
Fig. 2A, 2B are the schematic perspective views of the filter device in the embodiment of the present invention.
Specific embodiment
Hereinafter, the present invention will be described in detail with reference to various embodiments shown in the accompanying drawings.But these embodiments are not
The limitation present invention, structure that those skilled in the art are made according to these embodiments, method or change functionally
It changes and is included within the scope of protection of the present invention.
The term of the representation space relative position used herein such as "upper", " top ", "lower", " lower section " is for just
A unit as shown in the drawings or feature are described relative to another unit or the relationship of feature in the purpose of explanation.It is empty
Between the term of relative position can be intended to include different direction of the equipment in use or work other than orientation as shown in the figure.
For example, the unit for being described as being located at other units or feature " below " or " under " will if the equipment in figure overturn
Positioned at other units or feature " top ".Therefore, exemplary term " lower section " can include above and below both orientation.If
It is standby to be otherwise directed (be rotated by 90 ° or other directions), and be interpreted accordingly used herein with space correlation
Language is described.
The embodiment of the invention provides a kind of injection nozzle, the injection nozzle is internally provided with the note flowed through for melting colloid
Channel 11 is moulded, is provided with filter device 12 in the injection channel 11；Here, as shown in Figure 1, the injection nozzle further includes having note
Injection machine gun barrel 2 is directed at injection mouth 13, to be molded machine gun in use by nozzle mouth 13, the i.e. entrance of injection channel
Melting colloid in cylinder 2 will flow to injection mouth 13, and enter injection channel 11, which will filter in colloid
Impurity, and the other end outflow in injection nozzle to complete injection molding work, that is, is filtered to be transported to hot runner system
The effect of device 12 is exactly the impurity filtered in colloid.Shown in A and 2B as shown in Figure 1, Figure 2:
On the flow direction along colloid, the filter device 12 is in turn divided into glue end 121, filtering end
122 and plastic emitting end 123, the periphery into glue, plastic emitting end matched with the inner surface of the injection channel 11；
At least one is provided with into glue groove 1221 and at least one plastic emitting groove on the lateral wall of the filtering end 122
1222, it is described into glue groove 1221 and the setting of the interval of plastic emitting groove 1222, and between glue groove 1221 and plastic emitting groove 1222
Slot along and the inner surface of injection channel 11 between have gap；
It is described into being provided with several glue feeding channels 1211 flowed into for colloid into glue groove 1221 on glue end 121, it is described
Several plastic emitting channels 1231 for colloid outflow plastic emitting groove 1222 are provided on plastic emitting end 123.
Here, since the periphery into glue, plastic emitting end is matched with the inner surface of the injection channel 11, then into glue, go out
There is no gap namely colloid can not be in the week into glue, plastic emitting end between the periphery of glue end and the inner surface of injection channel 11
It is flowed through between edge and the inner surface of injection channel 11, therefore, colloid can only be flowed into glue groove 1221 from glue feeding channel 1211,
Then it is flowed out from plastic emitting groove 1222 along plastic emitting channel 1231.Here it is possible to understand, the transversal of end 122 is filtered
Area, which is respectively less than, is equal to the cross-sectional area into glue, plastic emitting end.
Here, as shown in Figure 2 A and 2 B, when melting colloid and flowing in injection channel 11, melt channel 11 can be along
Glue feeding channel 1211 is flowed into glue groove 1221, and can not be fed directly in plastic emitting groove 1222, and into glue groove
Slot between 1221 and plastic emitting groove 1222 is therefore, each recessed into glue along having gap between the inner surface of injection channel 11
Melting colloid in slot 1221 can overflow across the slot edge of its two sides and then flow to adjacent plastic emitting groove 1222, form the material of rotation
Stream, then it is flowed into plastic emitting channel 1231 from plastic emitting groove 1222, it is flow back into injection channel 11 again later, to complete to be molded
Journey.It is understood that in the process, melting the impurity in colloid since weight and volume is (i.e. by slot edge and injection channel
There is gap to stopping between 11 inner surface) the reason of be left on into glue groove 1221, play the work of impurity screening
With.After a period of time that works, filter device 12 can be taken out, exclude the impurity left, so as to be recycled
Filter device 12.Here it is possible to understand when, if slot along and the inner surface of injection channel 11 between have gap it is smaller, institute's energy
The volume of the impurity enough filtered is also smaller.
Preferably, the quantity of the glue feeding channel 1211 is equal to the quantity into glue groove (1221), and different logical into glue
Road 1211 is communicated to different into glue groove 1221；The quantity in the plastic emitting channel 1231 is equal to the quantity of plastic emitting groove 1222,
And different plastic emitting channels 1231 is communicated to different plastic emitting grooves 1222.
Preferably, it is described into glue end 121, filtering end 122 and plastic emitting end 123 be cylindrical body, and center line phase
Together.
Preferably, it is described into the center line of glue groove 1221 and plastic emitting groove 1222 each parallel to the center line.
Preferably, it is described into glue groove 1221 and plastic emitting groove 1222 be circular groove.
Optionally, the filter device 12 into glue end 121, filtering end 122 and plastic emitting end 123 by being integrally formed
It arrives.
Preferably, on colloid flow direction, glue feeding channel 1211 runs through into glue end 121, and the one of glue feeding channel 1211
End is connected with into glue groove 1221；On colloid flow direction, plastic emitting end 123, plastic emitting channel are run through in plastic emitting channel 1231
1231 one end is connected with plastic emitting groove 1222.Here it is possible to understand, the other end of glue feeding channel 1211 is into glue end
An end face far from filtering end 122 in portion 121 is connected with injection channel 11, and plastic emitting channel 1231 can run through plastic emitting end
123, the one end in plastic emitting channel 1231 is connected with plastic emitting groove 1222, and the other end is in plastic emitting end 123 far from filtering end
122 end face is connected with injection channel 11.
Preferably, described first, second and plastic emitting end be cylindrical body, and center line is identical.
Preferably, it is described into the center line of glue groove 1221 and plastic emitting groove 1222 each parallel to the center line.Here,
It is spaced apart into glue groove 1221 and plastic emitting groove 1222 along the lateral wall of cylindrical body, and centerline parallel is in cylindrical body
Heart line, it is to be understood that the quantity into glue groove 1221 and plastic emitting groove 1222 is consistent.
Preferably, it is described into glue groove 1221 and plastic emitting groove 1222 be circular groove.
Preferably, on colloid flow direction, glue feeding channel 1211 runs through into glue end 121, and the one of glue feeding channel 1211
End is connected with into glue groove 1221；Here it is possible to understand, the other end of glue feeding channel 1211 is set into glue end
The end face of separate filtering end 122 in 121, thus be connected with injection channel 11, the other end setting in plastic emitting channel 1231
The end face of separate filtering end 122 in plastic emitting end 123, to be connected with injection channel 11.
Preferably, the center of the end face into the separate filtering end 122 in glue end 121 is provided with the first recess portion
1212, the centre of the recess portion is provided with the first centrum 1213, one end of the glue feeding channel 1211 is connected into glue groove
1221, the other end is set to around the first centrum 1213.Here it is possible to understand, the first centrum 1213 is located at the end face
Center, so that colloid is flowed into glue feeding channel 1211 from the centre of filter device 12, then along glue feeding channel 1211
It is flowed into glue groove 1221, then this may be considered a buffer area, can prevent colloid from directly impacting and cause stress collection
In.
Preferably, the center of the end face of the separate filtering end 122 in the plastic emitting end 123 is provided with the second recess portion
1232, the centre of the recess portion is provided with the second centrum 1233, the one end in the plastic emitting channel 1231 is connected to plastic emitting groove
1222, the other end is set to around the second centrum 1233.Here it is possible to understand, the second centrum 1233 is located at the end face
Center converge to the week of the second centrum 1233 later so that colloid is flowed into plastic emitting channel 1231 from plastic emitting groove 1222
It encloses, then this may be considered a buffer area, can prevent colloid from directly impacting and stress is caused to concentrate.
Preferably, heating wire 3 is wound on the lateral wall of the injection nozzle.
The embodiment of the invention also provides a kind of injection molding machines, comprising: injection machine gun barrel 2, above-mentioned injection nozzle and hot-fluid
Road system；The outlet of the injection machine gun barrel 2 to the injection nozzle injection channel 11 entrance, the injection channel 11
Outlet to the hot runner system entrance.
It should be appreciated that although this specification is described in terms of embodiments, but not each embodiment only includes one
A independent technical solution, this description of the specification is merely for the sake of clarity, and those skilled in the art should will say
As a whole, the technical solution in each embodiment may also be suitably combined to form those skilled in the art can for bright book
With the other embodiments of understanding.
The series of detailed descriptions listed above only for feasible embodiment of the invention specifically
Protection scope bright, that they are not intended to limit the invention, it is all without departing from equivalent implementations made by technical spirit of the present invention
Or change should all be included in the protection scope of the present invention.
Claims (10)
1. a kind of injection nozzle, the injection nozzle is internally provided with the injection channel flowed through for melting colloid, logical in the injection molding
Filter device is provided in road, it is characterised in that:
On the flow direction along colloid, the filter device is in turn divided into glue end, filtering end and plastic emitting end,
The periphery into glue, plastic emitting end is matched with the inner surface of the injection channel；
At least one is provided with into glue groove and at least one plastic emitting groove on the lateral wall of the filtering end, it is described recessed into glue
Slot and the setting of plastic emitting groove interval, and have into the slot between glue groove and plastic emitting groove along between the inner surface of injection channel
Gap；
It is described into be provided on glue end it is several flow into the glue feeding channel into glue groove for colloid, the plastic emitting is provided on end
Several plastic emitting channels for colloid outflow plastic emitting groove.
2. injection nozzle according to claim 1, it is characterised in that；
The quantity of the glue feeding channel be equal into glue groove quantity, and different glue feeding channels be communicated to it is different recessed into glue
Slot；
The quantity in the plastic emitting channel is equal to the quantity of plastic emitting groove, and to be communicated to different plastic emittings recessed in different plastic emitting channels
Slot.
3. injection nozzle according to claim 1, it is characterised in that:
Described into glue end, filtering end and plastic emitting end is cylindrical body, and center line is identical.
4. injection nozzle according to claim 3, it is characterised in that:
It is described into the center line of glue groove and plastic emitting groove each parallel to the center line.
5. injection nozzle according to claim 1, it is characterised in that:
It is described into glue groove and plastic emitting groove be circular groove.
6. injection nozzle according to claim 2, it is characterised in that:
On colloid flow direction, glue feeding channel runs through into glue end, and one end of glue feeding channel is connected with into glue groove；
On colloid flow direction, plastic emitting end is run through in plastic emitting channel, and the one end in plastic emitting channel is connected with plastic emitting groove.
7. injection nozzle according to claim 2, it is characterised in that:
The center of the end face into the separate filtering end in glue end is provided with the first recess portion, in the centre of the recess portion
It is provided with the first centrum, one end of the glue feeding channel is connected into glue groove, the other end and is set to around the first centrum.
8. injection nozzle according to claim 2, it is characterised in that:
The center of the end face of separate filtering end in the plastic emitting end is provided with the second recess portion, in the centre of the recess portion
It is provided with the second centrum, one end connection plastic emitting groove, the other end in the plastic emitting channel are set to around the second centrum.
9. injection nozzle according to claim 7, it is characterised in that:
Heating wire is wound on the lateral wall of the injection nozzle.
10. a kind of injection molding machine characterized by comprising
Injection machine gun barrel, the described in any item injection nozzles of claim 1-9 and hot runner system；
The outlet of the injection machine gun barrel to the injection nozzle injection channel entrance, the outlet of the injection channel connects
Lead to the entrance of the hot runner system.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811425996.5A CN109366875A (en) | 2018-11-27 | 2018-11-27 | Injection nozzle and injection molding machine with it |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811425996.5A CN109366875A (en) | 2018-11-27 | 2018-11-27 | Injection nozzle and injection molding machine with it |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109366875A true CN109366875A (en) | 2019-02-22 |
Family
ID=65377242
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811425996.5A Withdrawn CN109366875A (en) | 2018-11-27 | 2018-11-27 | Injection nozzle and injection molding machine with it |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109366875A (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2097316A (en) * | 1981-04-27 | 1982-11-03 | Magna Int Inc | Filtered injection nozzles |
| US4906360A (en) * | 1989-02-28 | 1990-03-06 | Panos Trakas | Multi-stage injection molding filter |
| CN201494004U (en) * | 2009-08-13 | 2010-06-02 | 张占波 | Hot runner main nozzle filter |
| KR20160114843A (en) * | 2015-03-25 | 2016-10-06 | 주상규 | Poppet of nozzle assembly for injector |
| CN206484802U (en) * | 2016-12-30 | 2017-09-12 | 深圳市银宝山新科技股份有限公司 | Injection machine and its spray nozzle device |
| CN108582658A (en) * | 2018-03-08 | 2018-09-28 | 张前 | a kind of injection moulding machine nozzle structure |
| CN209158768U (en) * | 2018-11-27 | 2019-07-26 | 柳道万和(苏州)热流道系统有限公司 | Injection nozzle and injection molding machine with it |
-
2018
- 2018-11-27 CN CN201811425996.5A patent/CN109366875A/en not_active Withdrawn
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2097316A (en) * | 1981-04-27 | 1982-11-03 | Magna Int Inc | Filtered injection nozzles |
| US4906360A (en) * | 1989-02-28 | 1990-03-06 | Panos Trakas | Multi-stage injection molding filter |
| CN201494004U (en) * | 2009-08-13 | 2010-06-02 | 张占波 | Hot runner main nozzle filter |
| KR20160114843A (en) * | 2015-03-25 | 2016-10-06 | 주상규 | Poppet of nozzle assembly for injector |
| CN206484802U (en) * | 2016-12-30 | 2017-09-12 | 深圳市银宝山新科技股份有限公司 | Injection machine and its spray nozzle device |
| CN108582658A (en) * | 2018-03-08 | 2018-09-28 | 张前 | a kind of injection moulding machine nozzle structure |
| CN209158768U (en) * | 2018-11-27 | 2019-07-26 | 柳道万和(苏州)热流道系统有限公司 | Injection nozzle and injection molding machine with it |
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| PB01 | Publication | ||
| PB01 | Publication | ||
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Application publication date: 20190222 |