CN220973152U - Hot runner nozzle - Google Patents
Hot runner nozzle Download PDFInfo
- Publication number
- CN220973152U CN220973152U CN202322995937.4U CN202322995937U CN220973152U CN 220973152 U CN220973152 U CN 220973152U CN 202322995937 U CN202322995937 U CN 202322995937U CN 220973152 U CN220973152 U CN 220973152U
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- CN
- China
- Prior art keywords
- nozzle
- runner
- wall
- barrel
- feeding
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- 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.)
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- 229920003023 plastic Polymers 0.000 claims abstract description 32
- 239000004033 plastic Substances 0.000 claims abstract description 32
- 238000010438 heat treatment Methods 0.000 claims abstract description 17
- 239000000463 material Substances 0.000 claims abstract description 10
- 238000000465 moulding Methods 0.000 claims description 7
- 238000002347 injection Methods 0.000 abstract description 29
- 239000007924 injection Substances 0.000 abstract description 29
- 238000009434 installation Methods 0.000 abstract 1
- 238000001746 injection moulding Methods 0.000 description 27
- 239000002994 raw material Substances 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- 238000005507 spraying Methods 0.000 description 2
- 230000001174 ascending effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
Landscapes
- Moulds For Moulding Plastics Or The Like (AREA)
- Injection Moulding Of Plastics Or The Like (AREA)
Abstract
The utility model discloses a hot runner nozzle, which comprises a nozzle outer cylinder, wherein a feeding cylinder is fixed at the top end of the nozzle outer cylinder, a material injection runner is arranged at the central position inside the feeding cylinder, both ends of the material injection runner extend to the outside of the feeding cylinder, an external threaded joint is sleeved on the outer wall of the feeding cylinder, a hexagonal nut is fixed on the outer wall of the nozzle outer cylinder below the external threaded joint, an injection runner is arranged at the top end inside the nozzle outer cylinder, a heating inner cylinder is arranged on the inner wall of the injection runner, a heating wire is arranged at the upper end inside the heating inner cylinder, a stop seat is arranged at the bottom end inside the injection runner, an ejection runner is arranged inside the nozzle outer cylinder below the injection runner, and the bottom end of the ejection runner extends to the outside of the nozzle outer cylinder. The utility model not only achieves the aim of quickly installing the nozzle, but also ensures the stability of the nozzle after installation, and reduces the phenomenon of backflow of plastic melt.
Description
Technical Field
The utility model relates to the technical field of injection molding machine accessories, in particular to a hot runner nozzle.
Background
The injection nozzle is arranged on an injection molding machine, and the injection nozzle is arranged on the injection molding machine, after the original granular plastic raw material is melted, the molten plastic raw material enters the nozzle head through a runner of the injection nozzle and is injected into a die cavity to be shaped and cooled to obtain a molded product, so that the hot runner nozzle is very important in the injection molding process of the plastic material in a molten state.
The utility model provides a hot runner injection nozzle of reference publication number CN218196591U, it includes nozzle sleeve, heating sleeve and injection molding shower nozzle, heating sleeve cover is located inside the nozzle sleeve, the inside main runner that is used for plastics fuse-element circulation that runs through of heating sleeve, injection molding shower nozzle includes shower nozzle shell and shower nozzle inner core, shower nozzle inner core cover is located inside the shower nozzle shell and with shower nozzle shell fixed connection in order to form a plurality of blowout runners, through setting up heating sleeve in nozzle sleeve inside, heating sleeve heats the plastics fuse-element of inside main runner warp flow and solidifies in the runner, shower nozzle inner core input withstands heating sleeve's main runner output, when plastics fuse-element normal warp flow, shower nozzle inner core is withheld by the plastics fuse-element of pressurization, if take place plastics fuse-element backward flow phenomenon, the inside pressure of injection molding shower nozzle is reverse application state to the shower nozzle inner core, shower nozzle inner core withstands the main runner output again, prevent plastics fuse-element backward flow, according to know above-mentioned, this nozzle can obtain better application, and possess the function that prevents plastics fuse-element backward flow, but often be inconvenient for carrying out fast connection to this nozzle, make the nozzle install comparatively trouble on the injection molding machine often.
Disclosure of utility model
The utility model aims to provide a hot runner nozzle, which solves the problems that the nozzle can be well applied and has a function of preventing backflow of plastic melt, but is generally inconvenient to quickly and firmly connect, so that the nozzle is inconvenient to install on an injection molding machine.
In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a hot runner nozzle, includes the outer barrel of nozzle, the top of the outer barrel of nozzle is fixed with the feeding barrel, the inside central point of feeding barrel puts department and is equipped with annotates the material runner, annotate the outside that the both ends of material runner all extend to the feeding barrel, the cover is equipped with the external screw thread joint on the outer wall of feeding barrel, be fixed with hexagon nut on the outer barrel outer wall of the outer barrel of nozzle of external screw thread joint below, the inside top of the outer barrel of nozzle is equipped with the runner of moulding plastics, be equipped with the heating inner barrel on the inner wall of runner of moulding plastics, the inside upper end of barrel is equipped with the heater strip in the heating, the inside bottom of runner of moulding plastics is equipped with the seat of stopping, the inside blowout runner that is equipped with of the outer barrel of nozzle of runner below, the bottom of blowout runner extends to the outside of the outer barrel of nozzle.
Preferably, the outer wall of the outer cylinder body of the nozzle below the hexagonal nut is sleeved with a clamping ring, the outer wall of the clamping ring is sleeved with a fastening ring, and the outer wall of the outer cylinder body of the nozzle is clamped through the arrangement of the clamping ring.
Preferably, a side connecting plate is arranged on the outer wall of the clamping ring above the fastening ring, a positioning rod is arranged at the top end of the side connecting plate, the bottom end of the positioning rod is fixedly connected with the top end of the clamping ring, and the positioning rod is arranged through the side connecting plate.
Preferably, one end of the fastening ring is provided with a second positioning piece, the other end of the fastening ring is provided with a first positioning piece, a locking bolt is installed on the outer wall on one side of the first positioning piece, one end of the locking bolt penetrates through the first positioning piece and is in threaded connection with the second positioning piece, and one end of the locking bolt penetrates through the first positioning piece and is screwed into the second positioning piece so as to firmly place the clamping ring on the outer wall of the outer cylinder body of the nozzle.
Preferably, one end of the inner part of the stop seat is provided with a part placing groove, the inner part of the stop seat at the top end of the part placing groove is provided with a feeding runner, the top end of the feeding runner extends to the outer part of the stop seat, and the plastic melt inside the injection runner flows into the inside of the flow dividing runner through the feeding runner through the arrangement of the feeding runner.
Preferably, the inside of the stop seat on both sides of the feeding flow channel is provided with a flow dividing flow channel, the top end of the flow dividing flow channel extends to the inside of the feeding flow channel, the bottom end of the flow dividing flow channel extends to the outside of the stop seat, and the plastic melt flows into the inside of the spraying flow channel through the arrangement of the flow dividing flow channel.
Preferably, the telescopic rod is installed to the bottom of putting a groove, the top of telescopic rod is equipped with the end cap, the top of end cap extends to the inside of feeding runner, through the setting of end cap to the shutoff is closed to the bottom of feeding runner.
Preferably, a return spring is wound on the outer wall of the telescopic rod, two ends of the return spring are respectively connected with the bottom end of the plug and the bottom of the accommodating groove, and upward elastic pressure is applied to the plug through the arrangement of the return spring.
Compared with the prior art, the utility model has the beneficial effects that: the hot runner nozzle not only achieves the aim of quickly installing the nozzle, but also ensures the stability of the nozzle after being installed, and reduces the phenomenon of backflow of plastic melt;
(1) The external threaded connector is fixedly arranged on the outer wall of the feeding cylinder body, and the nozzle can be connected only by screwing the external threaded connector onto a threaded connector of an injection outlet component of an injection molding machine, so that the aim of quickly installing the nozzle is fulfilled;
(2) Through fixedly arranging the top end of the positioning rod on the injection molding machine, when the outer cylinder body of the nozzle is arranged at the injection molding opening of the injection molding machine, the clamping ring is sleeved on the outer wall of the outer cylinder body of the nozzle, and the locking bolt is rotated at the moment, so that one end of the locking bolt penetrates through the first positioning piece and is screwed into the second positioning piece, and the outer cylinder body of the nozzle can be further and firmly arranged below the injection molding opening of the injection molding machine through the clamping ring, so that the stability of the nozzle after being installed is ensured;
(3) Through reset spring's elastic action for reset spring cooperation telescopic link applys ascending pressure to the end cap, after finishing moulding plastics the plastics fuse-element, the end cap then can be because of reset spring's elastic pressure upward shift and butt in the bottom of feeding runner, so that carry out shutoff closure to the bottom of feeding runner by the end cap, thereby reduced the plastics fuse-element and produced the phenomenon of backward flow.
Drawings
FIG. 1 is a schematic view of a three-dimensional structure of the present utility model;
FIG. 2 is a schematic diagram of a front cross-sectional structure of the present utility model;
FIG. 3 is a schematic side view of the outer barrel of the nozzle of the present utility model;
FIG. 4 is a schematic side view of a three-dimensional structure of a clamp ring according to the present utility model;
fig. 5 is an enlarged schematic view of the structure of fig. 2 a according to the present utility model.
In the figure: 1. an outer cylinder of the nozzle; 2. a hexagonal nut; 3. a feed cylinder; 301. an external threaded joint; 302. a material injection runner; 4. a jet flow passage; 5. a clamping ring; 6. a fastening ring; 601. a first positioning member; 602. a second positioning member; 603. a locking bolt; 7. a side connecting plate; 8. a positioning rod; 9. heating the inner cylinder; 10. a heating wire; 11. injection molding a runner; 12. a stop seat; 13. a feed runner; 14. a flow dividing channel; 15. a piece placing groove; 16. a telescopic rod; 17. a plug; 18. and a return spring.
Detailed Description
The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Referring to fig. 1-5, an embodiment of the present utility model is provided: the hot runner nozzle comprises a nozzle outer cylinder 1, wherein a feeding cylinder 3 is fixed at the top end of the nozzle outer cylinder 1, a material injection runner 302 is arranged at the central position inside the feeding cylinder 3, both ends of the material injection runner 302 extend to the outside of the feeding cylinder 3, an external threaded joint 301 is sleeved on the outer wall of the feeding cylinder 3, a hexagonal nut 2 is fixed on the outer wall of the nozzle outer cylinder 1 below the external threaded joint 301, a clamping ring 5 is sleeved on the outer wall of the nozzle outer cylinder 1 below the hexagonal nut 2, and a fastening ring 6 is sleeved on the outer wall of the clamping ring 5;
when in use, the outer wall of the outer cylinder body 1 of the nozzle is clamped by the arrangement of the clamping ring 5;
A side connecting plate 7 is arranged on the outer wall of the clamping ring 5 above the fastening ring 6, a positioning rod 8 is arranged at the top end of the side connecting plate 7, and the bottom end of the positioning rod 8 is fixedly connected with the top end of the clamping ring 5;
When in use, the positioning rod 8 is arranged by the arrangement of the side connecting plate 7;
One end of the fastening ring 6 is provided with a second positioning piece 602, the other end of the fastening ring 6 is provided with a first positioning piece 601, a locking bolt 603 is arranged on the outer wall of one side of the first positioning piece 601, and one end of the locking bolt 603 penetrates through the first positioning piece 601 and is in threaded connection with the second positioning piece 602;
when in use, one end of the locking bolt 603 penetrates through the first positioning piece 601 and is screwed into the second positioning piece 602 so as to firmly position the clamping ring 5 on the outer wall of the nozzle outer cylinder 1;
The top end of the inside of the nozzle outer cylinder 1 is provided with an injection molding runner 11, the inner wall of the injection molding runner 11 is provided with a heating inner cylinder 9, the upper end of the inside of the heating inner cylinder 9 is provided with a heating wire 10, the bottom end of the inside of the injection molding runner 11 is provided with a stop seat 12, one end of the inside of the stop seat 12 is provided with a piece placing groove 15, the stop seat 12 at the top end of the piece placing groove 15 is internally provided with a feeding runner 13, and the top end of the feeding runner 13 extends to the outside of the stop seat 12;
When in use, the plastic melt in the injection molding runner 11 flows into the diversion runner 14 through the feeding runner 13 by arranging the feeding runner 13;
The inside of the stop seat 12 at two sides of the feeding flow channel 13 is provided with a flow dividing flow channel 14, the top end of the flow dividing flow channel 14 extends to the inside of the feeding flow channel 13, and the bottom end of the flow dividing flow channel 14 extends to the outside of the stop seat 12;
when in use, the plastic melt flows into the spraying runner 4 through the arrangement of the flow dividing runner 14;
The bottom of the part placing groove 15 is provided with a telescopic rod 16, the top end of the telescopic rod 16 is provided with a plug 17, and the top of the plug 17 extends into the feeding runner 13;
When in use, the bottom of the feeding flow channel 13 is plugged and closed by the plug 17;
a return spring 18 is wound on the outer wall of the telescopic rod 16, and two ends of the return spring 18 are respectively connected with the bottom end of the plug 17 and the bottom of the part placement groove 15;
in use, the return spring 18 is arranged so as to apply upward elastic pressure to the plug 17;
an ejection flow channel 4 is arranged in the nozzle outer cylinder 1 below the injection flow channel 11, and the bottom end of the ejection flow channel 4 extends to the outside of the nozzle outer cylinder 1.
When the embodiment of the application is used, the external threaded connector 301 is fixedly arranged on the outer wall of the feeding cylinder 3, the nozzle can be quickly connected by screwing the external threaded connector 301 onto the threaded connector of the injection molding outlet part of the injection molding machine, then the top end of the positioning rod 8 is fixedly arranged on the injection molding machine, when the nozzle outer cylinder 1 is arranged at the injection port part of the injection molding machine, the clamping ring 5 is sleeved on the outer wall of the nozzle outer cylinder 1, the locking bolt 603 is rotated at the moment, one end of the locking bolt 603 penetrates through the first positioning piece 601 and is screwed into the second positioning piece 602, the nozzle outer cylinder 1 can be further firmly arranged below the injection port of the injection molding machine through the clamping ring 5, so as to ensure the stability after the nozzle is installed, finally the reset spring 18 is matched with the telescopic rod 16 to apply upward pressure to the plug 17 through the elastic action of the reset spring 18, after the injection molding of a plastic melt is finished, the plug 17 is moved up and is abutted to the bottom of the feeding channel 13 due to the elastic pressure of the reset spring 18, the plug 17 is closed on the bottom of the feeding channel 13, and then one end of the plug can be effectively reduced, one end of the locking bolt 603 penetrates through the first positioning piece 601 and is screwed into the second positioning piece 602, the injection channel 602, the plastic melt can be further heated and the plastic melt can flow into the inner part of the injection channel through the injection molding machine, the injection channel is heated, the plastic melt can flow into the injection channel is conveniently and the injection channel is heated, and the plastic melt can flow into the inner part of the injection channel 11 through the injection channel, and the injection channel is heated, and the thermal flow channel is conveniently, after the injection flow is sprayed into the injection channel is heated, and the injection flow through the plastic melt, and the thermal flow is heated, and the thermal flow is subjected to the thermal flow, and the thermal flow is filled.
Claims (8)
1. A hot runner nozzle, characterized by: including outer barrel (1) of nozzle, the top of outer barrel (1) of nozzle is fixed with feed barrel (3), the inside central point department of feed barrel (3) is equipped with annotates material runner (302), the both ends of annotating material runner (302) all extend to the outside of feed barrel (3), the cover is equipped with outer screwed joint (301) on the outer wall of feed barrel (3), be fixed with hexagon nut (2) on the outer wall of outer barrel (1) of nozzle of outer screwed joint (301) below, the inside top of outer barrel (1) of nozzle is equipped with runner (11) of moulding plastics, be equipped with barrel (9) in the heating on the inner wall of runner (11) of moulding plastics, the inside upper end of barrel (9) is equipped with heater strip (10), the inside bottom of runner (11) of moulding plastics is equipped with stop seat (12), the inside blowout runner (4) that is equipped with of outer barrel (1) of nozzle of runner (11) below, the bottom of blowout runner (4) extends to the outside of outer barrel (1).
2. A hot runner nozzle as claimed in claim 1 wherein: the outer wall of the outer cylinder body (1) of the nozzle below the hexagonal nut (2) is sleeved with a clamping ring (5), and the outer wall of the clamping ring (5) is sleeved with a fastening ring (6).
3. A hot runner nozzle as claimed in claim 2 wherein: the clamping ring is characterized in that a side connecting plate (7) is arranged on the outer wall of the clamping ring (5) above the fastening ring (6), a positioning rod (8) is arranged at the top end of the side connecting plate (7), and the bottom end of the positioning rod (8) is fixedly connected with the top end of the clamping ring (5).
4. A hot runner nozzle as claimed in claim 2 wherein: one end of the fastening ring (6) is provided with a second positioning piece (602), the other end of the fastening ring (6) is provided with a first positioning piece (601), a locking bolt (603) is installed on the outer wall of one side of the first positioning piece (601), and one end of the locking bolt (603) penetrates through the first positioning piece (601) and is in threaded connection with the second positioning piece (602).
5. A hot runner nozzle as claimed in claim 1 wherein: one end inside the stop seat (12) is provided with a part placing groove (15), the inside of the stop seat (12) at the top end of the part placing groove (15) is provided with a feeding flow passage (13), and the top end of the feeding flow passage (13) extends to the outside of the stop seat (12).
6. A hot runner nozzle as claimed in claim 5 wherein: the inside of the shutoff seat (12) on two sides of the feeding flow passage (13) is provided with a flow dividing flow passage (14), the top end of the flow dividing flow passage (14) extends to the inside of the feeding flow passage (13), and the bottom end of the flow dividing flow passage (14) extends to the outside of the shutoff seat (12).
7. A hot runner nozzle as claimed in claim 5 wherein: the bottom of put piece groove (15) is installed telescopic link (16), the top of telescopic link (16) is equipped with end cap (17), the inside of feeding runner (13) is extended at the top of end cap (17).
8. A hot runner nozzle as claimed in claim 7 wherein: the outer wall of the telescopic rod (16) is wound with a return spring (18), and two ends of the return spring (18) are respectively connected with the bottom end of the plug (17) and the bottom of the part placement groove (15).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322995937.4U CN220973152U (en) | 2023-11-07 | 2023-11-07 | Hot runner nozzle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322995937.4U CN220973152U (en) | 2023-11-07 | 2023-11-07 | Hot runner nozzle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220973152U true CN220973152U (en) | 2024-05-17 |
Family
ID=91035875
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322995937.4U Active CN220973152U (en) | 2023-11-07 | 2023-11-07 | Hot runner nozzle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220973152U (en) |
-
2023
- 2023-11-07 CN CN202322995937.4U patent/CN220973152U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |