CN201872296U - Injection molding nozzle - Google Patents
Injection molding nozzle Download PDFInfo
- Publication number
- CN201872296U CN201872296U CN2010206248101U CN201020624810U CN201872296U CN 201872296 U CN201872296 U CN 201872296U CN 2010206248101 U CN2010206248101 U CN 2010206248101U CN 201020624810 U CN201020624810 U CN 201020624810U CN 201872296 U CN201872296 U CN 201872296U
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- Prior art keywords
- injection molding
- filter
- nozzle
- molding nozzle
- nozzle body
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- Expired - Fee Related
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- Injection Moulding Of Plastics Or The Like (AREA)
- Nozzles (AREA)
Abstract
The utility model relates to an injection molding nozzle, aiming at overcoming the defects that a filter of the injection molding nozzle in the prior art is not provided with a fixing device. The provided injection molding nozzle comprises a nozzle body, a nozzle head connected with the nozzle body, the filter built in the nozzle body, and the fixing device which is connected with the filter and the nozzle body and used for fixing the filter and the nozzle body. By means of the fixing device, which is arranged on one side of the filter and in fit connection with the nozzle body, the filter is fixed inside the nozzle body. In an injection molding process, the filter has excellent stability, and in a plastic solution backflow process, the filter cannot flow back to the interior of an injection molding machine.
Description
Technical field
The utility model relates to a kind of injection-moulding device, more particularly, relates to a kind of injection molding nozzle of injection machine.
Background technology
The injection moulding machine of plastic parts is made up of workbench, injection moulding apparatus, locked mode plate, takes out product by die sinking after injection plastic cement, pressurize, the cooling series of process.The raw material of injection machine also can use some mouth of a river material, reworked material or other secondary raw materials except quality fresh feed preferably.Be mixed with other certain hard impurities in these raw materials, the raw material that adopts this class to be mixed with hard impurity can cause injection molding nozzle to stop up when carrying out injection moulding.
In order to solve injection machine injection molding nozzle blocking problem, filter is set in injection molding nozzle, allow raw material before injection moulding, carry out prefiltration one time, some impurity, hard thing that particle is bigger etc. are filtered, and have avoided the injection machine injection molding nozzle to stop up.
Yet the prior art middle filtrator is not provided with special fixture is fixed in the nozzle it, generally all is to take being connected between nozzle head and the nozzle body to make its screens locking, rather than directly filter is connected with nozzle body.This design filter is in movable state in the nozzle body inner chamber, in case injection plastic cement liquid refluxes, can cause movable filter along with plastic cement liquid is back in the injection machine together, thereby the gun barrel of injection machine and screw rod are damaged, filter also can be pulverized thereupon simultaneously, influences the operate as normal of injection machine.
The utility model content
The technical problems to be solved in the utility model is, filter at injection molding nozzle in the prior art is not provided with fixture, cause filter along with plastic cement liquid is back to this defective in the injection machine together in the injection plastic cement liquid reflux course, provide a kind of injection molding nozzle, fixation problem that can fine solution injection molding nozzle middle filtrator.
The technical scheme that its technical problem that solves the utility model adopts is: a kind of injection molding nozzle, comprise nozzle body and the nozzle head that is connected with described nozzle body, also comprise filter that is built in described nozzle body and the fixture that is connected and fixed described filter and described nozzle body.
A kind of injection molding nozzle of the utility model, preferred, described filter comprises the section of being threaded and the filtering holes section that is connected with described threaded joints; The external diameter of the described section of being threaded is bigger than the external diameter of described filtering holes section.
A kind of injection molding nozzle of the utility model, preferred, described fixture comprises the internal thread that is arranged on described nozzle body inwall and is arranged on the described filter external screw thread with described screw-internal thread fit; Described external screw thread is arranged on the described section of being threaded.
A kind of injection molding nozzle of the utility model, preferred, described filter is cylindric stereo filter, one end is a hemispherical; Described filter outer surface is provided with filtering holes.
A kind of injection molding nozzle of the utility model, preferred, described nozzle body comprises the connecting portion that is connected with described filter; Described connecting portion is the hollow cylindrical cylindrical shell, and described cylinder inboard wall is provided with step trough, and line linkage section, the filtering holes section of described step trough and described filter are suitable.
A kind of injection molding nozzle of the utility model, preferred, described injection molding nozzle also comprises annular shell fragment.
A kind of injection molding nozzle of the utility model, preferred, described annular shell fragment is non-enclosed shell fragment, the two ends of described annular shell fragment are provided with circular shell fragment hole.
A kind of injection molding nozzle of the utility model, preferred, the inwall of described connecting portion also is provided with the baffle ring of annular; The internal diameter of described baffle ring is littler than the external diameter of described shell fragment.
A kind of injection molding nozzle of the utility model, preferred, described injection molding nozzle also comprises end cap, and described end cap is provided with screwed hole, and described end cap is fixed on the baffle ring of described connecting portion by screw.
A kind of injection molding nozzle of the utility model, preferred, described injection molding nozzle comprises that also side face is provided with the end cap of screw thread, and described connecting portion inwall is provided with screw thread, and described end cap is fixed on the described connecting portion by being threaded.
The utility model can reach following beneficial effect: be connected by fixture and the nozzle body that is arranged on filter one side, filter is fixed in the nozzle body.In the injection moulding process, filter has good stability, and plastic cement liquid is in reflux course, and filter can not flow backward in the injection machine.
Description of drawings
The utility model is described in further detail below in conjunction with drawings and Examples, in the accompanying drawing:
Fig. 1 is the structural representation of injection molding nozzle embodiment one of the present utility model;
Fig. 2 is the filtration device structure cross-sectional schematic of injection molding nozzle embodiment one of the present utility model;
Fig. 3 is that the filter A-A of injection molding nozzle embodiment one of the present utility model is to structural representation;
Fig. 4 is that filter B-B of injection molding nozzle embodiment one of the present utility model is to structural representation;
Fig. 5 is the structural representation of the connecting portion of the outer body of the nozzle of injection molding nozzle embodiment two of the present utility model;
Fig. 6 is the structural representation of the end cap of injection molding nozzle embodiment two of the present utility model;
Fig. 7 a is the assembling schematic diagram of connecting portion, filter and the end cap of the outer body of the nozzle of injection molding nozzle embodiment two of the present utility model;
Fig. 7 b is the assembling schematic diagram of connecting portion, filter and the end cap of the outer body of the nozzle of injection molding nozzle embodiment two of the present utility model;
Fig. 8 is the structural representation of the connecting portion of the outer body of the nozzle of injection molding nozzle embodiment three of the present utility model;
Fig. 9 is the structural representation of the shell fragment of injection molding nozzle embodiment three of the present utility model;
Figure 10 is the structural representation of the end cap of injection molding nozzle embodiment three of the present utility model;
Figure 11 is the assembling schematic diagram of connecting portion, filter, end cap and the shell fragment of the outer body of the nozzle of injection molding nozzle embodiment three of the present utility model.
Among the figure
1, the outer body 2 of nozzle, nozzle head
3, filter 4, external screw thread
5, internal thread 6, clamping mechanism
7, injection molding cavity 8, interior hexagonal
9, filtering holes 10, connecting portion
13, shell fragment 14, shell fragment hole
15, screwed hole 16, end cap
17, baffle ring 18, step trough
The specific embodiment
Understand for technical characterictic of the present utility model, purpose and effect being had more clearly, now contrast accompanying drawing and describe the specific embodiment of the present utility model in detail.
Embodiment one
As Fig. 1～4th, the embodiment one that the utility model provides, this injection molding nozzle comprise nozzle body 1, the nozzle head 2 that is connected with described nozzle body 1 and the filter 3 that is built in nozzle body 1.
As shown in Figures 2 and 3, filter 3 is cylindric stereo filter, and one end is a hemispherical, and the other end is the plane.Filter 3 outer surfaces are provided with the filtering holes 9 of inside and outside conducting, and filtering holes 9 can be square opening, inclined hole or circular hole, and wherein circular filtering holes 9 diameters are for being less than or equal to 1.3mm, and its diameter is less than the diameter of the spout on the nozzle head 2.。For filter 3 is fixedly mounted in the nozzle body 1, filter 3 cylinder side faces are provided with external screw thread 4.
Further, for the ease of installing, as shown in Figure 3, an end of filter 3 openings is provided with interior hexagonal 8.
As shown in Figure 1, there is the inner chamber of installing for filter 3 nozzle body 1 inside, the inwall of one end of inner chamber is provided with internal thread 5, and internal thread 5 cooperatively interacts with external screw thread 4 on the filter 3, and the cooperation by internal and external threads is fixed in the nozzle body 1 filter 3.
Nozzle body 1 links to each other with nozzle head 2, and as described in Figure 1, preferred, this annexation is for being threaded, and nozzle head 2 is provided with external screw thread, is connected with the screw-internal thread fit that is arranged on inboard, nozzle body 1 end.
Nozzle body 1 one ends are provided with internal thread and link to each other with nozzle head 2, and the other end is provided with external screw thread 8 and is connected with injection machine, and nozzle body 1 inner chamber also is provided with internal thread 5 and is used for being connected with the external screw thread 4 of filter 3.Nozzle body 1, nozzle head 2, nozzle head 2 threes' installation process is: at first be that filter 3 is packed in the nozzle body 1, revolve that external screw thread 4 with filter 3 further advances and fixing by commentaries on classics; After filter 3 fixed installations are good, nozzle head 2 is installed again.
Further, as shown in Figure 1, nozzle head 2 one ends are fixedly mounted on the nozzle body 1, and the other end is communicated with injection molding cavity 7 by clamping mechanism 6, and plastic cement carries out injection mo(u)lding by nozzle head 2 ejection backs in injection molding cavity 7.
Embodiment two
Shown in Fig. 5～Fig. 7 a, the embodiment two that provides for the utility model, a kind of injection molding nozzle comprises nozzle body and the nozzle head that is connected with nozzle body, also comprises the filter that is built in nozzle body and is connected and fixed filter and the fixture of nozzle body.
Shown in Fig. 7 a, filter comprises the section of being threaded and the filtering holes section that is connected with threaded joints 10; The external diameter of the section of being threaded is bigger than the external diameter of 9 sections of filtering holes.Filter is cylindric stereo filter, and one end is a hemispherical; The filter outer surface is provided with filtering holes 9.
The structure of fixture is as follows: nozzle body comprises the connecting portion 10 that is connected with filter; Connecting portion 10 is the hollow cylindrical cylindrical shell, and cylinder inboard wall is provided with step trough 18, and step trough 18 is suitable with 9 sections of line linkage section, the filtering holes of filter.
Understandable, filter also can be the structure shown in Fig. 7 b, the screens section that filter comprises the filtering holes section and is arranged on front end, the external diameter of screens section is more bigger than the external diameter of fillter section, and the screens section of filter can be fastened on the step trough 18 of the connecting portion of body outside the nozzle.
Injection molding nozzle comprises that also side face is provided with the end cap 16 of screw thread, and connecting portion 10 inwalls are provided with screw thread, and end cap 16 is fixed on the connecting portion 10 by being threaded.
Embodiment three
As Fig. 8～shown in Figure 11, the embodiment three that provides for the utility model, a kind of injection molding nozzle comprises nozzle body and the nozzle head that is connected with nozzle body, also comprises the filter that is built in nozzle body and is connected and fixed filter and the fixture of nozzle body.
Filter comprises the section of being threaded and 9 sections of the filtering holes that are connected with the section of being threaded; The external diameter of the section of being threaded is bigger than the external diameter of 9 sections of filtering holes.Filter is cylindric stereo filter, and one end is a hemispherical; The filter outer surface be provided with filtering holes 9.
The structure of fixture is as follows: nozzle body comprises the connecting portion 10 that is connected with filter; Connecting portion 10 is the hollow cylindrical cylindrical shell, and cylinder inboard wall is provided with step trough 18, and step trough 18 is suitable with 9 sections of line linkage section, the filtering holes of filter.
Injection molding nozzle also comprises annular shell fragment 13.
Further, annular shell fragment 13 is non-enclosed shell fragment 13, and the two ends of annular shell fragment 13 are provided with circular shell fragment hole 14.
Further, in order to block annular shell fragment 13, the inwall of connecting portion 10 also is provided with the baffle ring 17 of annular; The internal diameter of baffle ring 17 is littler than the external diameter of shell fragment 13.
Understandable, the inwall of connecting portion 10 also is provided with the groove of annular, also by annular shell fragment 13 screens being fixed.
Further, injection molding nozzle also comprises end cap 16, and end cap 16 is provided with screwed hole 15, and end cap 16 is fixed on the baffle ring 17 of connecting portion 10 by screw.
The utility model is connected by fixture and the nozzle body that is arranged on filter one side, and filter is fixed in the nozzle body.In the injection moulding process, filter has good stability, and plastic cement liquid is in reflux course, and filter can not flow backward in the injection machine.
In conjunction with the accompanying drawings embodiment of the present utility model is described above; but the utility model is not limited to the above-mentioned specific embodiment; the above-mentioned specific embodiment only is schematic; rather than it is restrictive; those of ordinary skill in the art is under enlightenment of the present utility model; not breaking away under the scope situation that the utility model aim and claim protect, also can make a lot of forms, these all belong within the protection of the present utility model.
Claims (10)
1. an injection molding nozzle comprises nozzle body and the nozzle head that is connected with described nozzle body, it is characterized in that, also comprises filter that is built in described nozzle body and the fixture that is connected and fixed described filter and described nozzle body.
2. injection molding nozzle according to claim 1 is characterized in that, described filter comprises the section of being threaded and the filtering holes section that is connected with described threaded joints; The external diameter of the described section of being threaded is bigger than the external diameter of described filtering holes section.
3. according to claim 1 or 2 each described injection molding nozzles, it is characterized in that described fixture comprises the internal thread that is arranged on described nozzle body inwall and is arranged on the described filter external screw thread with described screw-internal thread fit; Described external screw thread is arranged on the described section of being threaded.
4. injection molding nozzle according to claim 3 is characterized in that, described filter is cylindric stereo filter, and one end is a hemispherical; Described filter outer surface is provided with filtering holes.
5. injection molding nozzle according to claim 2 is characterized in that described nozzle body comprises the connecting portion that is connected with described filter; Described connecting portion is the hollow cylindrical cylindrical shell, and described cylinder inboard wall is provided with step trough, and line linkage section, the filtering holes section of described step trough and described filter are suitable.
6. injection molding nozzle according to claim 5 is characterized in that described injection molding nozzle also comprises annular shell fragment.
7. injection molding nozzle according to claim 6 is characterized in that, described annular shell fragment is non-enclosed shell fragment, and the two ends of described annular shell fragment are provided with circular shell fragment hole.
8. injection molding nozzle according to claim 7 is characterized in that, the inwall of described connecting portion also is provided with the baffle ring of annular; The internal diameter of described baffle ring is littler than the external diameter of described shell fragment.
9. injection molding nozzle according to claim 8 is characterized in that described injection molding nozzle also comprises end cap, and described end cap is provided with screwed hole, and described end cap is fixed on the baffle ring of described connecting portion by screw.
10. injection molding nozzle according to claim 5 is characterized in that, described injection molding nozzle comprises that also side face is provided with the end cap of screw thread, and described connecting portion inwall is provided with screw thread, and described end cap is fixed on the described connecting portion by being threaded.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010206248101U CN201872296U (en) | 2010-11-25 | 2010-11-25 | Injection molding nozzle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010206248101U CN201872296U (en) | 2010-11-25 | 2010-11-25 | Injection molding nozzle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201872296U true CN201872296U (en) | 2011-06-22 |
Family
ID=44160229
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010206248101U Expired - Fee Related CN201872296U (en) | 2010-11-25 | 2010-11-25 | Injection molding nozzle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201872296U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102363350A (en) * | 2011-11-03 | 2012-02-29 | 无锡海天机械有限公司 | Filter nozzle of injection molding machine |
| CN104029338A (en) * | 2014-06-10 | 2014-09-10 | 浙江荣新工贸有限公司 | Filter device of split type injection molding mold head |
| WO2020160883A1 (en) * | 2019-02-05 | 2020-08-13 | Atlas Copco Ias Gmbh | Filter body |
-
2010
- 2010-11-25 CN CN2010206248101U patent/CN201872296U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102363350A (en) * | 2011-11-03 | 2012-02-29 | 无锡海天机械有限公司 | Filter nozzle of injection molding machine |
| CN104029338A (en) * | 2014-06-10 | 2014-09-10 | 浙江荣新工贸有限公司 | Filter device of split type injection molding mold head |
| WO2020160883A1 (en) * | 2019-02-05 | 2020-08-13 | Atlas Copco Ias Gmbh | Filter body |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110622 Termination date: 20121125 |