CN203472052U - Valve needle type hot runner cylinder and valve needle type hot nozzle - Google Patents
Valve needle type hot runner cylinder and valve needle type hot nozzle Download PDFInfo
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- CN203472052U CN203472052U CN201320513412.6U CN201320513412U CN203472052U CN 203472052 U CN203472052 U CN 203472052U CN 201320513412 U CN201320513412 U CN 201320513412U CN 203472052 U CN203472052 U CN 203472052U
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Abstract
The utility model discloses a valve needle type hot runner cylinder and a valve needle type hot nozzle. The valve needle type hot runner cylinder comprises a main jet nozzle, a hot nozzle, a valve needle sleeve, a valve needle, a cylinder body, and a cylinder base which is hermetically connected with the cylinder body, wherein a piston is arranged in the cylinder body; the valve needle penetrates through the valve needle sleeve and extends into the main runner of the hot nozzle; the piston is hollow and the two ends of the piston are arranged to penetrate through each other; a valve needle fixing block is arranged in the cavity of the piston; the valve needle is fixedly connected with the valve needle fixing block; the main jet nozzle penetrates through the cavity of the piston and is hermetically connected with the hot nozzle; the main jet nozzle is crimped on the valve needle sleeve so that the valve needle sleeve is fixed on the hot nozzle; the hot nozzle penetrates through the cylinder base and is fixedly connected with the cylinder base. The hot runner system is integrally arranged in the cylinder, so that the cylinder can be mounted under the gun mouth of an injection molding machine; the valve needle type hot runner cylinder is simple in structure and convenient to dismount; the cylinder can be an independent module in an injection mold; the cylinder is compatible with a plurality of injection molds, and thus good in universality; therefore, the production cost is reduced; in the meantime, the operation difficulty of mounting and maintenance are reduced and the production efficiency is improved.
Description
Technical field
The utility model relates to Hot runner Technology field, especially relates to a kind of valve needle type hot runner cylinder and valve needle type hot nozzle.
Background technology
In the TOP-TIP of injection mold, adopt directly when product surface enters the mode of glue, for fear of the glue-feeder at product surface, form material handle or wire drawing, so that product is more attractive in appearance, generally can select the valve needle type hot flow passage system of single hot mouth, by the motion of needle, control opening and closing of glue-feeder.Therefore, valve needle type hot flow passage system need to be provided with corresponding drive unit and come valve needle reciprocating, thereby realize needle, glue-feeder is opened and the control of closing.In traditional single mouth valve needle type hot flow passage system, need on cylinder, draw tracheae, the larger corresponding installation clearance position of processing on mould, comparatively complicated in structure, tracheae is aging and generation gas leakage easily, and it is convenient not to connect.Cylinder and the TOP-TIP split of valve needle motion arrange, and needle glue sealing structure is complicated, dismounting is difficult, and versatility is poor, and the manufacturing cost of hot flow path and maintenance cost are all higher.
Utility model content
Main purpose of the present utility model is to provide a kind of valve needle type hot runner cylinder and valve needle type hot nozzle, be intended to simplify the overall structure of single mouth valve needle type hot runner, improve versatility, reduce production costs, reduce the operation easier of installation and maintenance simultaneously, enhance productivity.
To achieve these objectives, the utility model proposes a kind of valve needle type hot runner cylinder, it comprises main nozzle, Re Zui, valve needle cover, needle, cylinder body and the air cylinder base being connected with described cylinder body seal, in described cylinder body, be provided with piston, described needle passes described valve needle cover and stretches in the sprue of described hot mouth, described piston is that hollow setting and two ends are run through mutually, is provided with needle fixed block in the cavity of described piston, and described needle is fixedly connected with described needle fixed block; Described main nozzle passes the cavity of described piston and is tightly connected with described hot mouth, and described main nozzle is crimped on described valve needle cover described valve needle cover is fixed on described hot mouth, and described hot mouth passes described air cylinder base and is fixedly connected with described air cylinder base.
Preferably, described cylinder also comprises the cylinder cap that is arranged on described cylinder body upper end and is fixedly connected with described cylinder body, and described cylinder cap offers the through hole passing for described main nozzle, and described main nozzle is fixedly connected with described cylinder cap.
Preferably, described piston comprises piston only and is convexly set in the isolation part of described piston only, described isolation part is divided into upper and lower two chambers by the inner chamber of described cylinder body, the laminating of the periphery wall of described isolation part and the internal perisporium of described cylinder body is adaptive, and described isolation part and described cylinder body are fitted and between adaptive contact interface, be provided with bidirectional piston and seal; Described cylinder body is provided with the first gas circuit and the second gas circuit, and wherein, described the first gas circuit is communicated with the upper chamber of described cylinder body, and described the second gas circuit is communicated with the lower chambers of described cylinder body.
Preferably, described piston only is provided with draw-in groove, and the outer rim of described needle fixed block is embedded in this draw-in groove.
Preferably, the upper end of described air cylinder base is provided with locating flange, the periphery wall of described locating flange and the laminating of the internal perisporium of described cylinder body are adaptive, the internal perisporium of described locating flange and the laminating of the periphery wall of described piston only are adaptive, and described locating flange and described cylinder body and piston are fitted between adaptive contact interface, and described piston only is fitted and between adaptive contact interface, is respectively equipped with O RunddichtringO at two parts of both sides, described isolation part and described cylinder body.
Preferably, described air cylinder base is provided with the first pore being communicated with described the first gas circuit, and the second pore being communicated with described the second gas circuit; For fixedly mounting the template of described cylinder, be provided with the 3rd gas circuit being communicated with described the first pore, and the 4th gas circuit being communicated with described the second pore.
Preferably, described main nozzle is provided with at least one the first runner that runs through described main nozzle two ends; Described hot mouth is respectively equipped with and corresponding and the second runner that is communicated with one by one of the first runner described in each, and described in each, the second runner comes together in the sprue of described hot mouth.
Preferably, the periphery of described main nozzle and described hot mouth has been coiled respectively heating collar.
Preferably, described main nozzle be provided with by described main nozzle and on the coated main nozzle overcoat of heating collar; Described hot mouth be provided with by described hot mouth and on the coated hot mouth overcoat of heating collar.
Preferably, the hypomere of described valve needle cover stretches into the sprue of described hot mouth, and the epimere that described valve needle cover protrudes from described hot mouth is partly provided with external screw thread.
The utility model proposes a kind of valve needle type hot nozzle simultaneously, it comprises the valve needle type hot runner cylinder being arranged on mold cavity, this valve needle type hot runner cylinder comprises main nozzle, Re Zui, valve needle cover, needle, cylinder body and the air cylinder base being connected with described cylinder body seal, in described cylinder body, be provided with piston, described needle passes described valve needle cover and stretches in the sprue of described hot mouth, described piston is that hollow setting and two ends are run through mutually, in the cavity of described piston, be provided with needle fixed block, described needle is fixedly connected with described needle fixed block; Described main nozzle passes the cavity of described piston and is tightly connected with described hot mouth, and described main nozzle is crimped on described valve needle cover described valve needle cover is fixed on described hot mouth, and described hot mouth passes described air cylinder base and is fixedly connected with described air cylinder base.
A kind of valve needle type hot runner cylinder provided by the utility model, by TOP-TIP is integrally formed in cylinder, thereby realized, valve needle type hot runner cylinder is directly installed under the big gun mouth of injection machine, simple in structure, easy accessibility, in addition, valve needle type hot runner cylinder can be used as a standalone module in injection mold, and install with multiple injection mold is adaptive, its highly versatile, has therefore reduced production cost, the operation easier that has simultaneously reduced installation and maintenance, has improved production efficiency.
Accompanying drawing explanation
Fig. 1 is the structural representation of the utility model valve needle type hot runner cylinder preferred embodiment;
Fig. 2 is the axonometric drawing of the utility model valve needle type hot runner cylinder preferred embodiment;
Fig. 3 is the structural representation that in Fig. 1, needle opens state;
Fig. 4 is the structural representation of needle sealing state in Fig. 1.
The realization of the utility model object, functional characteristics and advantage, in connection with embodiment, are described further with reference to accompanying drawing.
The specific embodiment
Should be appreciated that specific embodiment described herein is only in order to explain the utility model, and be not used in restriction the utility model.
Referring to Fig. 1 and Fig. 2, Fig. 1 is the structural representation of the utility model valve needle type hot runner cylinder preferred embodiment; Fig. 2 is the axonometric drawing of the utility model valve needle type hot runner cylinder preferred embodiment.
The valve needle type hot runner cylinder that the present embodiment provides, comprise main nozzle 10, hot mouth 11, valve needle cover 12, needle 13, cylinder body 20 and the air cylinder base 22 being tightly connected with cylinder body 20, as known technology, one end of main nozzle 10 is connected with sprue bush (not shown), the other end docks with hot mouth 11, and main nozzle 10 and hot mouth 11 are positioned on same axis, both inside are provided with the hot flow path of connection, needle 13 passes valve needle cover 12 and stretches in the sprue 112 of hot mouth 11, by driving this needle 13 to move back and forth along the axis direction of valve needle cover 12, can realize opening or closing of needle 13, thereby the gum-injecting port of hot mouth 11 is opened or closed.The cylinder body 20 of the present embodiment is preferably cylindrical, and in other embodiments, cylinder body 20 can also be other shapes, for example, and cube, elliptical cylinder-shape.Cylinder body 20 hollow settings, are provided with piston 21 in cylinder body 20, piston 21 is smooth smooth with the position of cylinder body 20 sliding-contacts, with guarantee piston 21 cylinder body 20 is interior can smooth and easy motion and there is good sealing property between the two.Piston 21 is for running through mutually in hollow setting and two ends, in the cavity of piston 21, be provided with the needle fixed block 213 being fixedly connected with piston 21, needle 13 is fixedly connected with needle fixed block 213, referring to Fig. 3 and Fig. 4, effect by air pressure can make piston 21 move reciprocatingly in cylinder body 20, thereby drive needle fixed block 213 and needle 13 motions, to realize, the gum-injecting port of hot mouth 11 is opened or closed, when completing the injection step of plastic, gum-injecting port is sealed, can avoid forming material handle or wire drawing on plastic surface, so plastic is more attractive in appearance.Main nozzle 10 passes the cavity of piston 21 and is tightly connected with hot mouth 11, and main nozzle 10 is crimped on valve needle cover 12 so that valve needle cover 12 is fixed on hot mouth 11.On air cylinder base 22, offer through hole, hot mouth 11 passes air cylinder base 22 and is fixedly connected with air cylinder base 22.
Further, in order to protect better the piston 21 in cylinder body 20, and realize the accurate location of main nozzle 10 and stable fixing.The valve needle type hot runner cylinder of the present embodiment also comprises the cylinder cap 23 that is arranged on cylinder body 20 upper ends and is fixedly connected with cylinder body 20, the upper end of cylinder body 20 is provided with some for the fixing screwed hole of cylinder cap 23, in addition, the upper end of cylinder body 20 is also provided with dowel hole, further guarantees accurate location and installation between cylinder cap 23 and cylinder body 20.On cylinder cap 23, offer the through hole passing for main nozzle 10, main nozzle 10 is fixedly connected with cylinder cap 23.
In the present embodiment, piston 21 comprises piston only 212 and is convexly set in the isolation part 211 of piston only 212, it (is respectively upper chamber 201 that isolation part 211 is divided into upper and lower two chambers by the inner chamber of cylinder body 20, lower chambers 202), the internal perisporium laminating of the periphery wall of isolation part 211 and cylinder body 20 is adaptive, thereby two chamber isolation up and down in cylinder body 20 are opened, and be provided with bidirectional piston envelope 30 between the adaptive contact interface of isolation part 211 and cylinder body 20 laminatings, can further guarantee the sealing between isolation part 211 and cylinder body 20, when valve needle type hot runner cylinder operation, can prevent the phenomenon of collaborating between two chambers up and down in cylinder body 20, thereby affect the accuracy of piston 21 motions.The bidirectional piston envelope 30 of the present embodiment is preferably the synthetic of FFKM, polytetrafluoroethylene (PTFE) and bronze and makes, and therefore can bear higher temperature, and while guaranteeing that cylinder is worked under hot environment, piston 21 also has good sealing property with cylinder body 20.Cylinder body 20 is provided with the first gas circuit 203 and the second gas circuit 204, and wherein, the first gas circuit 203 is communicated with the upper chamber 201 of cylinder body 20, and the second gas circuit 204 is communicated with the lower chambers 202 of cylinder body 20.When the first gas circuit 203 air inlets, and during the second gas circuit 204 exhaust, can driven plunger 21 move downward; When the first gas circuit 203 exhausts, and during the second gas circuit 204 air inlet, can driven plunger 21 move upward.Therefore, can drive 13 motions of needle fixed block 213 and needle, to realize, the gum-injecting port of hot mouth 11 be opened or closed, when completing the injection step of plastic, gum-injecting port be sealed, can avoid forming on plastic surface material or wire drawing, so plastic is more attractive in appearance.
Further, in order to simplify the structure of valve needle type hot runner cylinder, piston only 212 is provided with draw-in groove (in figure not label), and the outer rim of needle fixed block 213 and this draw-in groove are adaptive and be embedded in this draw-in groove, thereby realize, needle fixed block 213 and piston only 212 is fixed on to one.
Further, in order to simplify the structure of cylinder body 20, reduce the dismounting difficulty of valve needle type hot runner cylinder, make to improve the sealing of piston 21 simultaneously, the upper end of air cylinder base 22 is provided with locating flange 221, the internal perisporium laminating of the periphery wall of locating flange 221 and cylinder body 20 is adaptive, and between both contact interfaces, is provided with O RunddichtringO (in figure not label); The periphery wall laminating of the internal perisporium of locating flange 221 and piston only 212 is adaptive, and between both contact interfaces, is provided with O RunddichtringO, thereby has guaranteed the sealing of the lower chambers 202 of cylinder body 20.Piston only 212 is provided with equally O RunddichtringO between the part of isolation part 211 upsides and the adaptive contact interface of cylinder body 20 laminatings, thereby has guaranteed the sealing of the upper chamber 201 of cylinder body 20.The O RunddichtringO of the present embodiment is preferably the synthetic of FFKM, polytetrafluoroethylene (PTFE) and bronze and makes, and therefore can bear higher temperature, and while guaranteeing that cylinder is worked under hot environment, piston 21 also has good sealing property with cylinder body 20.
Further, in order to simplify the gas circuit structure of valve needle type hot runner cylinder, reduce production costs, avoid high temperature resistant tracheae and pipe joint that use cost is higher, the gas circuit structure of the present embodiment is preferably and is integrally formed in cylinder body 20, air cylinder base 22 and template 40.Concrete, air cylinder base 22 is provided with the first pore 222 being communicated with the first gas circuit 203, and the second pore (not shown) being communicated with the second gas circuit 204, the first gas circuit 203 and the first pore 222 joints, and second gas circuit 204 and the second pore joint be respectively equipped with sealing ring, and by the thrust between cylinder body 20 and air cylinder base 22, sealing ring is compressed.For fixedly mounting the template 40 of valve needle type hot runner cylinder, be provided with the 3rd gas circuit 41 being communicated with the first pore 222, and the 4th gas circuit 42 being communicated with the second pore, the first pore 222 and the 3rd gas circuit 41 joints, and second pore and the 4th gas circuit 42 joints be respectively equipped with sealing ring, by the thrust between air cylinder base 22 and template 40, sealing ring is compressed.
In the present embodiment, main nozzle 10 is provided with at least one the first runner 101 that runs through main nozzle 10 two ends, and the present embodiment preferably main nozzle 10 is provided with two the first runners 101, thereby can reduce the temperature difference between thermoplastic materials, improves the quality of plastic product.Hot mouth 11 is respectively equipped with and each the first runner 101 corresponding and the second runner 111 of being communicated with one by one, and each second runner 111 comes together in the sprue 112 of hot mouth 11.
Further, in order to prevent that thermoplastic materials temperature when flowing through the runner of main nozzle 10 and hot mouth 11 from sharply declining, make thermoplastic materials when arriving die cavity, also meet the required temperature of moulding, thereby improve the quality of plastic product, the periphery of main nozzle 10 and hot mouth 11 is coiled respectively heating collar, and (heating collar on main nozzle 10 is the first heating collar 102, heating collar on hot mouth 11 is the second heating collar 114), the heating collar that the present embodiment preferably arranges on main nozzle 10 and hot mouth 11 works alone, and has further guaranteed the uniformity of thermoplastic materials temperature.
Further, in order to strengthen the heat insulation effect of heating collar, save electric energy, the heat radiation that simultaneously prevents heating collar affects cylinder, reduce the operating temperature of cylinder, main nozzle 10 be provided with by main nozzle 10 and on the coated main nozzle overcoat 103 of heating collar (the first heating collar 102), hot mouth 11 be provided with by hot mouth 11 and on the coated hot mouth overcoat 113 of heating collar (the second heating collar 114), wherein, main nozzle overcoat 103 and hot mouth overcoat 113 are preferably heat-barrier material.
Further, in order to facilitate the dismounting of valve needle cover 12, the epimere that valve needle cover 12 protrudes from hot mouth 11 is partly provided with external screw thread.When needs by valve needle cover 12 when hot mouth 11 removes, can be connected with valve needle cover 12 by being provided with the suitable spanner of joining of external thread rotary or other instruments of valve needle cover 12, then along the axial direction drawing outward of valve needle cover 12, can unload easily valve needle cover 12, and can not cause damage to valve needle cover 12.
The utility model also proposes a kind of valve needle type hot nozzle.
The valve needle type hot nozzle that the present embodiment provides, it comprises the valve needle type hot runner cylinder being arranged on mold cavity, this valve needle type hot runner cylinder comprises main nozzle, Re Zui, valve needle cover, needle, cylinder body and the air cylinder base being connected with cylinder body seal, in cylinder body, be provided with piston, needle passes valve needle cover and stretches in the sprue of hot mouth, piston is that hollow setting and two ends are run through mutually, is provided with needle fixed block in the cavity of piston, and needle is fixedly connected with needle fixed block; Main nozzle passes the cavity of piston and is tightly connected with hot mouth, and main nozzle is crimped on valve needle cover valve needle cover is fixed on hot mouth, and hot mouth passes air cylinder base and is fixedly connected with air cylinder base.
The embodiment of this valve needle type hot nozzle comprises whole technical schemes of the whole embodiment of above-mentioned valve needle type hot runner cylinder, and the technique effect reaching is also identical, does not repeat them here.
Should be understood that; these are only preferred embodiment of the present utility model; can not therefore limit the scope of the claims of the present utility model; every equivalent structure or conversion of equivalent flow process that utilizes the utility model description and accompanying drawing content to do; or be directly or indirectly used in other relevant technical fields, be all in like manner included in scope of patent protection of the present utility model.
Claims (11)
1. a valve needle type hot runner cylinder, comprise main nozzle, Re Zui, valve needle cover, needle, cylinder body and the air cylinder base being connected with described cylinder body seal, in described cylinder body, be provided with piston, described needle passes described valve needle cover and stretches in the sprue of described hot mouth, it is characterized in that, described piston is that hollow setting and two ends are run through mutually, is provided with needle fixed block in the cavity of described piston, and described needle is fixedly connected with described needle fixed block; Described main nozzle passes the cavity of described piston and is tightly connected with described hot mouth, and described main nozzle is crimped on described valve needle cover described valve needle cover is fixed on described hot mouth, and described hot mouth passes described air cylinder base and is fixedly connected with described air cylinder base.
2. valve needle type hot runner cylinder according to claim 1, it is characterized in that, described cylinder also comprises the cylinder cap that is arranged on described cylinder body upper end and is fixedly connected with described cylinder body, and described cylinder cap offers the through hole passing for described main nozzle, and described main nozzle is fixedly connected with described cylinder cap.
3. valve needle type hot runner cylinder according to claim 1, it is characterized in that, described piston comprises piston only and is convexly set in the isolation part of described piston only, described isolation part is divided into upper and lower two chambers by the inner chamber of described cylinder body, the laminating of the periphery wall of described isolation part and the internal perisporium of described cylinder body is adaptive, and described isolation part and described cylinder body are fitted and between adaptive contact interface, be provided with bidirectional piston and seal; Described cylinder body is provided with the first gas circuit and the second gas circuit, and wherein, described the first gas circuit is communicated with the upper chamber of described cylinder body, and described the second gas circuit is communicated with the lower chambers of described cylinder body.
4. valve needle type hot runner cylinder according to claim 3, is characterized in that, described piston only is provided with draw-in groove, and the outer rim of described needle fixed block is embedded in this draw-in groove.
5. valve needle type hot runner cylinder according to claim 3, it is characterized in that, the upper end of described air cylinder base is provided with locating flange, the periphery wall of described locating flange and the laminating of the internal perisporium of described cylinder body are adaptive, the internal perisporium of described locating flange and the laminating of the periphery wall of described piston only are adaptive, and described locating flange and described cylinder body and piston are fitted between adaptive contact interface, and described piston only is fitted and between adaptive contact interface, is respectively equipped with O RunddichtringO at two parts of both sides, described isolation part and described cylinder body.
6. valve needle type hot runner cylinder according to claim 3, is characterized in that, described air cylinder base is provided with the first pore being communicated with described the first gas circuit, and the second pore being communicated with described the second gas circuit; For fixedly mounting the template of described cylinder, be provided with the 3rd gas circuit being communicated with described the first pore, and the 4th gas circuit being communicated with described the second pore.
7. valve needle type hot runner cylinder according to claim 1, is characterized in that, described main nozzle is provided with at least one the first runner that runs through described main nozzle two ends; Described hot mouth is respectively equipped with and corresponding and the second runner that is communicated with one by one of the first runner described in each, and described in each, the second runner comes together in the sprue of described hot mouth.
8. valve needle type hot runner cylinder according to claim 7, is characterized in that, the periphery of described main nozzle and described hot mouth has been coiled respectively heating collar.
9. valve needle type hot runner cylinder according to claim 8, is characterized in that, described main nozzle be provided with by described main nozzle and on the coated main nozzle overcoat of heating collar; Described hot mouth be provided with by described hot mouth and on the coated hot mouth overcoat of heating collar.
10. valve needle type hot runner cylinder according to claim 1, is characterized in that, the hypomere of described valve needle cover stretches into the sprue of described hot mouth, and the epimere that described valve needle cover protrudes from described hot mouth is partly provided with external screw thread.
11. 1 kinds of valve needle type hot nozzles, is characterized in that, comprise the valve needle type hot runner cylinder as described in any one in claim 1 to 10.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320513412.6U CN203472052U (en) | 2013-08-21 | 2013-08-21 | Valve needle type hot runner cylinder and valve needle type hot nozzle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320513412.6U CN203472052U (en) | 2013-08-21 | 2013-08-21 | Valve needle type hot runner cylinder and valve needle type hot nozzle |
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| Publication Number | Publication Date |
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| CN203472052U true CN203472052U (en) | 2014-03-12 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320513412.6U Expired - Fee Related CN203472052U (en) | 2013-08-21 | 2013-08-21 | Valve needle type hot runner cylinder and valve needle type hot nozzle |
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| CN (1) | CN203472052U (en) |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104385524A (en) * | 2014-10-29 | 2015-03-04 | 张来 | Production process of top covers of laundry machine and dish-washing machine and combining mechanism |
| CN105563761A (en) * | 2014-10-11 | 2016-05-11 | 柳道万和(苏州)热流道系统有限公司 | Novel cylinder |
| CN107718451A (en) * | 2016-08-11 | 2018-02-23 | 柳道万和(苏州)热流道系统有限公司 | Single-point needle valve type hot runner system |
| CN109435170A (en) * | 2018-12-19 | 2019-03-08 | 柳道万和(苏州)热流道系统有限公司 | Injection mold system |
| CN109435167A (en) * | 2018-12-19 | 2019-03-08 | 柳道万和(苏州)热流道系统有限公司 | Two-layer equation cylinder and hot-runner device with it |
| CN110871152A (en) * | 2018-09-04 | 2020-03-10 | 罗天珍 | Needle plug impact type injection dispensing valve |
| CN111660509A (en) * | 2019-03-05 | 2020-09-15 | 苏州斯曼迪热流道系统有限公司 | Valve needle type hot runner system |
| CN112622192A (en) * | 2021-01-12 | 2021-04-09 | 河北祥义模具科技股份有限公司 | Valve needle glue feeding device |
| CN113117919A (en) * | 2021-04-21 | 2021-07-16 | 广东博智林机器人有限公司 | Spray gun |
-
2013
- 2013-08-21 CN CN201320513412.6U patent/CN203472052U/en not_active Expired - Fee Related
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105563761A (en) * | 2014-10-11 | 2016-05-11 | 柳道万和(苏州)热流道系统有限公司 | Novel cylinder |
| CN104385524A (en) * | 2014-10-29 | 2015-03-04 | 张来 | Production process of top covers of laundry machine and dish-washing machine and combining mechanism |
| CN104385524B (en) * | 2014-10-29 | 2017-05-24 | 张来 | Production process of top covers of laundry machine and dish-washing machine and combining mechanism |
| CN107718451A (en) * | 2016-08-11 | 2018-02-23 | 柳道万和(苏州)热流道系统有限公司 | Single-point needle valve type hot runner system |
| CN110871152A (en) * | 2018-09-04 | 2020-03-10 | 罗天珍 | Needle plug impact type injection dispensing valve |
| CN109435170A (en) * | 2018-12-19 | 2019-03-08 | 柳道万和(苏州)热流道系统有限公司 | Injection mold system |
| CN109435167A (en) * | 2018-12-19 | 2019-03-08 | 柳道万和(苏州)热流道系统有限公司 | Two-layer equation cylinder and hot-runner device with it |
| CN111660509A (en) * | 2019-03-05 | 2020-09-15 | 苏州斯曼迪热流道系统有限公司 | Valve needle type hot runner system |
| CN112622192A (en) * | 2021-01-12 | 2021-04-09 | 河北祥义模具科技股份有限公司 | Valve needle glue feeding device |
| CN113117919A (en) * | 2021-04-21 | 2021-07-16 | 广东博智林机器人有限公司 | Spray gun |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140312 Termination date: 20200821 |
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| CF01 | Termination of patent right due to non-payment of annual fee |