CN102092119A - Pin-shaped self-locking nozzle device - Google Patents
Pin-shaped self-locking nozzle device Download PDFInfo
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- CN102092119A CN102092119A CN2010106001052A CN201010600105A CN102092119A CN 102092119 A CN102092119 A CN 102092119A CN 2010106001052 A CN2010106001052 A CN 2010106001052A CN 201010600105 A CN201010600105 A CN 201010600105A CN 102092119 A CN102092119 A CN 102092119A
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- valve
- needle
- nozzle device
- nozzle
- spray nozzle
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- Injection Moulding Of Plastics Or The Like (AREA)
Abstract
The invention provides a pin-shaped self-locking nozzle device comprising a substrate, a pin valve and a pin valve driving mechanism; the substrate is provided with a molten material runner and a molten material jet orifice; the pin valve can be movably arranged in the substrate relative to the substrate; the pin valve driving mechanism comprises an opening unit fixedly connected to the pin valve and an elastic reset unit used for closing the pin valve; the opening unit is provided with a touching and pressing element for touching and pressing an injection mould to push the pin valve open; and the touching and pressing element is arranged at the outside of the substrate. Compared with the prior art, the pin-shaped self-locking nozzle device provided by the invention is favorable for solving the problems of increment of injection pressure, complex structure, unstable incompression of a pinhead and the like in the prior art, and has the advantages of simple and compact structure, convenience and safety for operation and environment protection. In addition, the pin valve can be opened depending on the advance movement of an injection molding machine and can carry out self-lock to close a nozzle after the injection process is ended.
Description
Technical field
The present invention relates to a kind of spray nozzle device that is used for the fused materials ejaculation of injection machine.
Background technology
Use injection machine to carry out in the product injection moulding process, after injector is finished injection moulding processing, often all can produce the problem of flash.Flash all can bring bad influence for the product injection moulding processing of next time, and the flash of the plastic material that wherein has can carry out next product processing owing to too fast cooling is hardened after therefore must removing; What have then can flow out a lot of materials.
The patent No. is that the Chinese utility model patent of ZL200320126753.4 discloses a kind of injection machine nozzle machinery rotary switch, it is by a nozzle support, nozzle housing is installed in the middle of the front end of support, the side of support is equipped with one and passes its middle turbine, the center of support and nozzle housing is equipped with rotary switch, the rotary switch head offers groove, and leading section is with separation sleeve, and separation sleeve offers the hole of matching with the rotary switch groove in its place near head.Worm screw part in the middle of the rotary switch matches with the turbine that inserts the support front end, utilize the rotation of turbine during work, carry out the rotation of rotary switch, thereby make the groove of rotary switch head and the hole on the cover separation sleeve thereon realize two kinds of states logical and that close, realize the purpose of injection moulding rear enclosed nozzle.This structure has overcome prior art increases injection pressure, complex structure, and problems such as syringe needle rapid wear, but owing to be the worm and gear transmission, its transmission efficiency is lower, the serious wear that takes place in the transmission, and it is not very high having increased production cost and performance accuracy.
The patent No. is that the Chinese invention patent of ZL200610077781.X discloses a kind of equipment with the aciculiform shut-off nozzle that is used for injection machine, comprise smelt flow passage, be arranged in the equipped at outlet port of passage nozzle, be subjected to guiding with the closing pin and have the driving cylinder of piston of shut off valve at passage, driving cylinder makes as needle actuating device and closes pin and move.In this arrangement, piston can be subjected to the driving of fluid working medium.Driving cylinder is disposed in channel interior and is the part of hydraulic test, and wherein fluid working medium is the Compressed Gas of pressure greater than 50 crust.Though this device structure can solve the problem of injection machine nozzle flash, have the increase injection pressure, complex structure, cost height, the unstable shortcoming of damaging easily of syringe needle pressurized.
Summary of the invention
The objective of the invention is to overcome existing in prior technology increases problems such as injection pressure, complex structure, syringe needle pressurized instability, and a kind of injection machine that is used for the processable polymer fused mass or equipment of the aciculiform self-locking nozzle on the injection moulding tool of being contained in is provided.
For solving the problems of the technologies described above, the present invention has adopted following technical scheme: design a kind of aciculiform self-locking spray nozzle device, comprising: matrix, this matrix have the fused materials runner and are used to spray the jet of fused materials; Be used to control the needle-valve that described jet opens and closes, this needle-valve can be arranged in this matrix movably with respect to described matrix; Be used to drive the needle-valve driving mechanism of described needle-valve; Wherein, described needle-valve driving mechanism has comprised the unlatching unit that is fixedly connected on described needle-valve and has been used to close the elastic reset unit of described needle-valve, described unlatching unit has and is used to press injection mold to push the element that presses of described needle-valve open, and this presses the outside that element is positioned at described matrix.
Further, described matrix has comprised the adpting flange that can be connected in injecting machine material tube, the nozzle cover that is fixedly connected on the nozzle overcoat of this adpting flange and is fixedly connected on this nozzle overcoat front portion, described fused materials runner passes described adpting flange, nozzle overcoat and nozzle cover successively, and described jet is positioned at the front end of this nozzle cover.
Preferably, needle-valve container cavity in described needle-valve and the described nozzle overcoat forms relatively-movable the cooperation, fused materials runner in the described nozzle overcoat be positioned at described needle-valve container cavity around, the front portion of described needle-valve is arranged in the fused materials runner of described nozzle cover, and the rear end of this needle-valve is provided with the alignment pin that the locating hole that puts with described nozzle matches outward.
Preferably, be provided with filter in the fused materials runner of described adpting flange.
Preferably, described adpting flange is fixedlyed connected by screw with described nozzle overcoat.
Preferably, the described element that presses comprises fore-set, and the tail end of described fore-set is connected in the end of a push rod, and the middle part of described push rod is fixedly connected on described needle-valve.
Preferably, described elastic reset unit is the spring that is arranged between described matrix and the needle-valve driving mechanism.Described spring can be for being enclosed within the compression spring on the described needle-valve.
Preferably, the front portion of described needle-valve roughly is conical.
Compared with prior art, the present invention has overcome existing in prior technology increases problems such as injection pressure, complex structure, syringe needle pressurized instability, it is simple and compact for structure, the forward travel of dependence injection machine can make needle-valve open automatically, but injection moulding process finishes back needle-valve self-locking shut-off nozzle, easy and safe to operate, environment friendly and pollution-free.
Description of drawings
Fig. 1 is the longitudinal sectional view of a kind of spray nozzle device of the present invention when non-spray regime.
Fig. 2 is the longitudinal sectional view of spray nozzle device shown in Figure 1 when spray regime.
Fig. 3 is the operation principle schematic diagram that spray nozzle device shown in Figure 1 cooperates with injection mold in injection moulding process.
Fig. 4 be spray nozzle device shown in Figure 1 after injection moulding is finished with injection mold separated structures view.
The specific embodiment
In order to make technical problem to be solved by this invention, technical scheme and beneficial effect clearer,, the present invention is further elaborated below in conjunction with drawings and Examples.Should be appreciated that specific embodiment described herein only in order to explanation the present invention, and be not used in qualification the present invention.
Illustrated in figures 1 and 2 for a kind of preferred embodiment of aciculiform self-locking spray nozzle device 1 of the present invention, it has comprised adpting flange 2, nozzle overcoat 3, nozzle cover 4, needle-valve 5 and needle-valve driving mechanism etc., adpting flange 2, nozzle overcoat 3 and nozzle cover 4 constitute the matrix of spray nozzle device 1, this matrix has the fused materials runner 6 that passes adpting flange 2, nozzle overcoat 3 and nozzle cover 4 successively, this fused materials runner 6 has been divided into upstream canal 61, middle reaches runner 62 and downstream canal 63 3 parts according to residing position, is interconnected between this three part.Adpting flange 2 is used for this spray nozzle device 1 is connected in the injecting machine material tube (not shown), and the upstream canal 61 in the adpting flange 3 links to each other with the discharging opening of injecting machine material tube, is provided with filter 11 in this upstream canal 61, is used for fused materials is filtered.The rear portion of nozzle overcoat 3 is fixedly connected on adpting flange 2 by modes such as screws, and nozzle cover 4 is fixedly connected on the front portion of this nozzle overcoat 3, and the front end of nozzle cover 4 is provided with the jet 7 that is used to spray fused materials.
Needle-valve container cavity in described needle-valve 5 and the nozzle overcoat 3 forms relatively-movable the cooperation, with the switching of control jet 7.Middle reaches runners 62 in the nozzle overcoat 3 be positioned at the needle-valve container cavity around, it is conical that the front portion 51 of needle-valve 5 roughly is, it is positioned at the downstream canal 63 of nozzle cover 4, the alignment pin 52 of these needle-valve 5 rear ends can match with the locating hole 31 on the nozzle overcoat 3.Be provided with sealing ring 12 between needle-valve 5 and the nozzle overcoat 3, to prevent that fused materials spills in the injection moulding process.
Described needle-valve driving mechanism is used to drive needle-valve 5, this driving mechanism has comprised two fore-sets 8, push rod 9 and compression spring 10, described two fore-sets 8 are positioned at the outside of described matrix, the tail end of two fore-sets 8 is connected to two ends of push rod 9, push rod 9 is arranged in the cavity 32 of nozzle overcoat 3, and its middle part is fixedly connected on needle-valve 5.Described fore-set 8 is used to press the injection mold that fixedly installs to push needle-valve 5 open.Described compression spring 10 is enclosed within on the needle-valve 5, and cramping is used for providing restoring force to make needle-valve 5 self-lockings close jet 7 after injection moulding process finishes between nozzle overcoat 3 and push rod 9.
Referring to Fig. 3 and Fig. 4, operation principle of the present invention is: before the injection moulding, form self-locking under the acting in conjunction that needle-valve 5 is pressed in tension force that compresses spring 10 and fused materials, all the time jet 7 is closed; After the injection moulding preparatory stage finished, under the driving force effect that the nozzle moving mechanism (standarized component that belongs to injection machine) of injection machine is provided, spray nozzle device 1 integral body moved right and near injection mold 13.When two fore-sets 8 touch injection mold 13, fore-set 8 drive push rods 9 and needle-valve 5 move backward with respect to the matrix of spray nozzle device 1, while push rod 9 will compress spring 12 and compress, needle-valve 5 is opened jet 7 thereupon, and fused materials is the die cavity 14 of the 7 injection injection molds 13 of the jet through opening just; At packing stage, jet 7 stays open state always, and pressurize finishes, and spray nozzle device 1 retreats, and needle-valve 5 is closed jet 7 under the tension force effect of compression spring 12, can prevent flash effectively.
Above-described only is preferred implementation of the present invention, should be pointed out that for the person of ordinary skill of the art, without departing from the inventive concept of the premise, can also make some distortion and improvement, and these all belong to protection scope of the present invention.
Claims (10)
1. aciculiform self-locking spray nozzle device comprises:
Matrix, this matrix have the fused materials runner and are used to spray the jet of fused materials;
Be used to control the needle-valve that described jet opens and closes, this needle-valve can be arranged in this matrix movably with respect to described matrix;
Be used to drive the needle-valve driving mechanism of described needle-valve;
It is characterized in that: described needle-valve driving mechanism has comprised the unlatching unit that is fixedly connected on described needle-valve and has been used to close the elastic reset unit of described needle-valve, described unlatching unit has and is used to press injection mold to push the element that presses of described needle-valve open, and this presses the outside that element is positioned at described matrix.
2. spray nozzle device according to claim 1, it is characterized in that: described matrix has comprised the adpting flange that can be connected in injecting machine material tube, the nozzle cover that is fixedly connected on the nozzle overcoat of this adpting flange and is fixedly connected on this nozzle overcoat front portion, described fused materials runner passes described adpting flange, nozzle overcoat and nozzle cover successively, and described jet is positioned at the front end of this nozzle cover.
3. spray nozzle device according to claim 2, it is characterized in that: the needle-valve container cavity in described needle-valve and the described nozzle overcoat forms relatively-movable the cooperation, fused materials runner in the described nozzle overcoat be positioned at described needle-valve container cavity around, the front portion of described needle-valve is arranged in the fused materials runner of described nozzle cover, and the rear end of this needle-valve is provided with the alignment pin that the locating hole that puts with described nozzle matches outward.
4. spray nozzle device according to claim 2 is characterized in that: be provided with filter in the fused materials runner of described adpting flange.
5. spray nozzle device according to claim 2 is characterized in that: described adpting flange is fixedlyed connected by screw with described nozzle overcoat.
6. according to each described spray nozzle device of claim 1 to 5, it is characterized in that: the described element that presses comprises fore-set, and the tail end of described fore-set is connected in the end of a push rod, and the middle part of described push rod is fixedly connected on described needle-valve.
7. according to each described spray nozzle device of claim 1 to 5, it is characterized in that: described elastic reset unit is the spring that is arranged between described matrix and the needle-valve driving mechanism.
8. spray nozzle device according to claim 7 is characterized in that: described spring is the compression spring.
9. spray nozzle device according to claim 7 is characterized in that: described spring housing is on described needle-valve.
10. spray nozzle device according to claim 1 is characterized in that: the front portion of described needle-valve roughly is conical.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010600105 CN102092119B (en) | 2010-12-22 | 2010-12-22 | Pin-shaped self-locking nozzle device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010600105 CN102092119B (en) | 2010-12-22 | 2010-12-22 | Pin-shaped self-locking nozzle device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102092119A true CN102092119A (en) | 2011-06-15 |
| CN102092119B CN102092119B (en) | 2013-05-29 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201010600105 Expired - Fee Related CN102092119B (en) | 2010-12-22 | 2010-12-22 | Pin-shaped self-locking nozzle device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102092119B (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103464753A (en) * | 2013-08-26 | 2013-12-25 | 苏州米莫金属科技有限公司 | Self-locking-type nozzle for injection moulding machine |
| CN104924612A (en) * | 2015-05-22 | 2015-09-23 | 浙江大学 | Needle jet |
| CN105599234A (en) * | 2016-03-30 | 2016-05-25 | 昆山胜鸿鑫精密模塑科技有限公司 | Liquid-state silicone mold |
| CN105666802A (en) * | 2016-03-30 | 2016-06-15 | 昆山胜鸿鑫精密模塑科技有限公司 | Improved liquid-state silica gel die |
| CN106217791A (en) * | 2016-09-18 | 2016-12-14 | 圣邦集团有限公司 | A kind of pair of rank injection machine penetrate storage device |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2219236A (en) * | 1988-05-19 | 1989-12-06 | Tse Kwai Sum | Injection nozzle |
| CN2106706U (en) * | 1991-11-16 | 1992-06-10 | 常州第二电子仪器厂 | Valve-type sprueless nozzle of injection moulding machine |
| CN1067607A (en) * | 1991-06-08 | 1993-01-06 | 谢桂深 | Combined automatic injection nozzle with anti-reflux and anti-leak junction |
| CN1169355A (en) * | 1996-06-28 | 1998-01-07 | 谢桂深 | Improved combined return-flow-proof and anti-leakage automatic injection moulding jet-nozzle |
| CN2514999Y (en) * | 2001-12-28 | 2002-10-09 | 朱柳山 | New structure of ejection shaping machine mould head |
| WO2003020491A1 (en) * | 2001-08-31 | 2003-03-13 | Netstal-Maschinen Ag | Method and device for the automatic production of wafers |
| CN101466520A (en) * | 2006-04-11 | 2009-06-24 | 米其林技术公司 | Method and device for moulding elastomeric objects |
| CN201900704U (en) * | 2010-12-22 | 2011-07-20 | 吉林大学珠海学院 | Needle-shaped self-locking nozzle device used on injection molding machine |
-
2010
- 2010-12-22 CN CN 201010600105 patent/CN102092119B/en not_active Expired - Fee Related
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2219236A (en) * | 1988-05-19 | 1989-12-06 | Tse Kwai Sum | Injection nozzle |
| CN1067607A (en) * | 1991-06-08 | 1993-01-06 | 谢桂深 | Combined automatic injection nozzle with anti-reflux and anti-leak junction |
| CN2106706U (en) * | 1991-11-16 | 1992-06-10 | 常州第二电子仪器厂 | Valve-type sprueless nozzle of injection moulding machine |
| CN1169355A (en) * | 1996-06-28 | 1998-01-07 | 谢桂深 | Improved combined return-flow-proof and anti-leakage automatic injection moulding jet-nozzle |
| WO2003020491A1 (en) * | 2001-08-31 | 2003-03-13 | Netstal-Maschinen Ag | Method and device for the automatic production of wafers |
| CN2514999Y (en) * | 2001-12-28 | 2002-10-09 | 朱柳山 | New structure of ejection shaping machine mould head |
| CN101466520A (en) * | 2006-04-11 | 2009-06-24 | 米其林技术公司 | Method and device for moulding elastomeric objects |
| CN201900704U (en) * | 2010-12-22 | 2011-07-20 | 吉林大学珠海学院 | Needle-shaped self-locking nozzle device used on injection molding machine |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103464753A (en) * | 2013-08-26 | 2013-12-25 | 苏州米莫金属科技有限公司 | Self-locking-type nozzle for injection moulding machine |
| CN104924612A (en) * | 2015-05-22 | 2015-09-23 | 浙江大学 | Needle jet |
| CN104924612B (en) * | 2015-05-22 | 2017-03-01 | 浙江大学 | A kind of needle jet |
| CN105599234A (en) * | 2016-03-30 | 2016-05-25 | 昆山胜鸿鑫精密模塑科技有限公司 | Liquid-state silicone mold |
| CN105666802A (en) * | 2016-03-30 | 2016-06-15 | 昆山胜鸿鑫精密模塑科技有限公司 | Improved liquid-state silica gel die |
| CN106217791A (en) * | 2016-09-18 | 2016-12-14 | 圣邦集团有限公司 | A kind of pair of rank injection machine penetrate storage device |
| CN106217791B (en) * | 2016-09-18 | 2019-01-29 | 圣邦集团有限公司 | A kind of double rank injection molding machines penetrate storage device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102092119B (en) | 2013-05-29 |
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| C53 | Correction of patent of invention or patent application | ||
| CB03 | Change of inventor or designer information |
Inventor after: Wang Jiankang Inventor after: Liu Xiangyang Inventor after: Hui Shuai Inventor before: Liu Xiangyang Inventor before: Wang Jiankang Inventor before: Hui Shuai |
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| COR | Change of bibliographic data |
Free format text: CORRECT: INVENTOR; FROM: LIU XIANGYANG WANG JIANKANG XI SHUAI TO: WANG JIANKANG LIU XIANGYANG XI SHUAI |
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| C14 | Grant of patent or utility model | ||
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130529 Termination date: 20141222 |
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| EXPY | Termination of patent right or utility model |