CN214726137U - Self-positioning air cylinder assembly and hot runner system - Google Patents
Self-positioning air cylinder assembly and hot runner system Download PDFInfo
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- CN214726137U CN214726137U CN202120706983.6U CN202120706983U CN214726137U CN 214726137 U CN214726137 U CN 214726137U CN 202120706983 U CN202120706983 U CN 202120706983U CN 214726137 U CN214726137 U CN 214726137U
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Abstract
The utility model discloses a from cylinder assembly and hot runner system of positioning, wherein, from cylinder assembly of positioning includes: the valve needle cylinder is arranged at the top of the mold, a sliding groove is arranged in the valve needle cylinder, and the length direction of the sliding groove is parallel to the length direction of the flow distribution plate; the valve needle sleeve is sleeved on the flow distribution plate; the valve needle and the valve needle sleeve are arranged concentrically, wherein one end of the valve needle is arranged in the sliding groove in a sliding mode, and the other end of the valve needle is connected with the valve needle sleeve and extends into the hot nozzle. The utility model discloses a set up the sliding tray unanimous with flow distribution plate length direction in the needle cylinder, the valve needle cover drives the needle and slides in the sliding tray when the flow distribution plate inflation, makes valve needle cover and needle be in same central point all the time and puts. The embodiment of the utility model provides an in the embodiment from the situation that the distortion took place for the needle has been avoided to the cylinder subassembly of locating, has saved the cost of maintenance of needle, has guaranteed hot runner system's normal work.
Description
Technical Field
The utility model relates to a hot runner system technical field, in particular to cylinder assembly and hot runner system from positioning.
Background
In a normal hot runner system: the valve needle cylinder and the valve needle sleeve are concentric. When the hot runner system starts to heat, the splitter plate in the hot runner system starts to expand outwards, and because the valve needle sleeve is fixed on the splitter plate and the valve needle is partially fixed in the valve needle sleeve, the valve needle sleeve also expands outwards along with the splitter plate; after the flow distribution plate expands, the valve needle is easy to distort and incline, so that the valve needle is easy to clamp, the product cannot be injected after the valve needle is clamped, and the mold needs to be disassembled and assembled, so that the production time and the processing and maintenance cost are wasted.
Thus, the prior art has yet to be improved and enhanced.
SUMMERY OF THE UTILITY MODEL
In view of the foregoing disadvantages of the prior art, an object of the present invention is to provide a self-positioning cylinder assembly and hot runner system, which aims to solve the problem of distortion of the valve needle caused by the expansion of the splitter plate in the prior art.
In order to achieve the purpose, the utility model adopts the following technical proposal:
the embodiment of the utility model provides a self-align cylinder assembly, hot runner system in the mould, hot runner system includes flow distribution plate and hot nozzle that set up in the mould; wherein the self-locating cylinder assembly comprises:
the valve needle cylinder is arranged at the top of the mold, a sliding groove is arranged in the valve needle cylinder, and the length direction of the sliding groove is parallel to the length direction of the flow distribution plate;
the valve needle sleeve is sleeved on the flow distribution plate;
the valve needle and the valve needle sleeve are arranged concentrically, wherein one end of the valve needle is arranged in the sliding groove in a sliding mode, and the other end of the valve needle is connected with the valve needle sleeve and extends into the hot nozzle.
Furthermore, in the self-positioning cylinder assembly, a piston is arranged in the valve needle cylinder, one end of the piston is connected into the valve needle cylinder, and the other end of the piston faces the flow distribution plate;
the sliding groove is arranged on the piston facing to the inner side of one end of the flow distribution plate, the piston facing to the inner side of one end of the flow distribution plate is further provided with a mounting groove, and the mounting groove is vertical to and communicated with the sliding groove.
Further, in the self-positioning cylinder assembly, the self-positioning cylinder assembly further comprises a gasket, and the gasket is arranged in the mounting groove and connected with one end, located in the sliding groove, of the valve needle.
Further, in the self-positioning cylinder assembly, the diameter of one end of the valve needle is matched with the width of the sliding groove.
Furthermore, the self-positioning air cylinder assembly further comprises a limiting part, and the limiting part is arranged on the flow distribution plate and surrounds the periphery of the valve needle sleeve.
Further, in the self-positioning cylinder assembly, the valve pin cylinder comprises: a cylinder body and a cylinder head;
the cylinder body is arranged at the top of the die, and the inner diameter of the cylinder body is matched with the outer diameter of the piston;
the cylinder cover is detachably connected to the top of the cylinder body.
Furthermore, in the self-positioning cylinder assembly, a third limiting step is arranged on the outer side of one end of the appearance assembly.
Further, the self-positioning cylinder assembly further comprises a first air inlet pipeline and a second air inlet pipeline;
the first air inlet pipeline and the second air inlet pipeline are arranged on the side face of the cylinder body.
An embodiment of the utility model provides a hot runner system for the mould, wherein, including setting up flow distribution plate and heat in the mould are chewed and foretell from the cylinder subassembly of positioning.
Furthermore, the hot runner system also comprises a first heater, and the first heater is arranged on the outer side of the hot nozzle.
Further, the hot runner system also comprises an injection nozzle and a second heater;
the injection nozzle is arranged on the flow distribution plate and communicated with the hot nozzle, and the second heater is arranged on the outer side of the injection nozzle.
The utility model discloses the technical scheme who adopts has following beneficial effect:
the utility model discloses a set up the sliding tray unanimous with flow distribution plate length direction in the needle cylinder, the valve needle cover drives the needle and slides in the sliding tray when the flow distribution plate inflation, makes valve needle cover and needle be in same central point all the time and puts. The embodiment of the utility model provides an in the embodiment from the situation that the distortion took place for the needle has been avoided to the cylinder subassembly of locating, has saved the cost of maintenance of needle, has guaranteed hot runner system's normal work.
Drawings
FIG. 1 is a front view of a self-positioning cylinder assembly provided by the present invention in an inoperative condition;
FIG. 2 is a front view of a piston of a self-aligning cylinder assembly according to the present invention in an inoperative condition;
FIG. 3 is a top view of a piston of a self-aligning cylinder assembly according to the present invention in an inoperative condition;
fig. 4 is a front view of the working state of a self-positioning cylinder assembly provided by the present invention;
FIG. 5 is a front view of a piston in an operating condition of a self-aligning cylinder assembly in accordance with the present invention;
fig. 6 is a top view of a piston in an operating state of a self-positioning cylinder assembly according to the present invention;
fig. 7 is a front view of the hot runner system according to the present invention in an inoperative state;
FIG. 8 is a top plan view of a self-aligning cylinder assembly according to the present invention in an inoperative condition;
fig. 9 is a front view of the working state of the hot runner system according to the present invention;
fig. 10 is a top view of an operating state of a hot runner system according to the present invention.
In the figure: 100. a mold; 200. a flow distribution plate; 300. a hot nozzle; 10. a valve needle cylinder; 20. a valve needle sleeve; 30. a valve needle; 11. a sliding groove; 21. a limiting member; 12. a piston; 13. mounting grooves; 40. a gasket; 14. a cylinder body; 15. a cylinder head; 50. a first air intake duct; 60. a second air intake duct; 400. a first heater; 500. an injection nozzle; 600. a second heater.
Detailed Description
In order to make the objects, technical solutions and effects of the present invention clearer and clearer, the following description of the present invention will refer to the accompanying drawings and illustrate embodiments. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the invention.
In the embodiments and claims, the terms "a" and "an" can mean "one or more" unless the article is specifically limited.
In addition, if there is a description relating to "first", "second", etc. in the embodiments of the present invention, the description of "first", "second", etc. is for descriptive purposes only and is not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In addition, the technical solutions in the embodiments may be combined with each other, but it must be based on the realization of those skilled in the art, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should not be considered to exist, and is not within the protection scope of the present invention.
The first embodiment is as follows:
the utility model discloses a self-positioning cylinder assembly, in a specific preferred embodiment, please refer to fig. 1 to 6 together, wherein, the self-positioning cylinder assembly is applied to a hot runner system in a mold, the hot runner system comprises a splitter plate 200 and a hot nozzle 300 arranged in the mold 100; the mold 100, the splitter plate 200, and the hot nozzle 300 are all conventional structures, and thus are not described herein again. Specifically, the self-positioning cylinder assembly includes: a valve needle cylinder 10, a valve needle sleeve 20 and a valve needle 30; the valve pin cylinder 10 is arranged at the top of the mold 100 and used for controlling the valve pin 30 to move up and down so as to open or close the thermal nozzle 300 in a mechanical movement manner at a predetermined moment, a sliding groove 11 is arranged in the valve pin cylinder 10, and the length direction of the sliding groove 11 is parallel to the length direction of the splitter plate 200; the length direction of the flow distribution plate 200 is the expansion direction of the flow distribution plate 200 after being heated.
Further, the valve needle sleeve 20 is disposed on the diversion plate 200 and used for fixing and protecting the valve needle 30; the outer side of the valve needle sleeve 20 is provided with a limiting member 21, and the limiting member 21 is screwed on the flow distribution plate 200 and surrounds the periphery of the valve needle sleeve 20 to limit the valve needle sleeve 20.
Furthermore, the valve needle 30 is concentrically arranged with the valve needle sleeve 20, wherein one end of the valve needle 30 is slidably arranged in the sliding groove 11, and the other end of the valve needle 30 is connected with the valve needle sleeve 20 and extends into the hot nozzle 300; when the hot runner system is heated, the splitter plate 200 begins to expand in the length direction, the needle sleeve 20 disposed on the splitter plate 200 also follows the movement, and the needle 30 disposed in the needle sleeve 20 is also driven by the needle sleeve 20, and since one end of the needle 30 is slidably disposed in the sliding groove 11, the needle 30 entirely follows the needle sleeve 20 and the splitter plate 200; the valve needle sleeve 20 and the valve needle 30 are always in a concentric position when the flow distribution plate 200 expands or does not expand, and the valve needle 30 is not distorted after the flow distribution plate 200 is heated and expanded; compared with the prior structure, the structure not only saves the maintenance time caused by the needle clamping of the valve needle, but also saves the maintenance cost, and can ensure the normal work of the hot runner system.
Optionally, in order to ensure that the valve needle 30 slides accurately in the sliding groove 11 without deviation, the diameter of one end of the valve needle 30 is adapted to the width of the sliding groove 11.
Specifically, a piston 12 is arranged in the valve needle cylinder 10, the piston 12 is used for driving the valve needle 30 to make a linear motion, one end of the piston 12 is connected in the valve needle cylinder 10, and the other end faces the flow distribution plate 200; the sliding groove 11 is arranged in one end of the piston 12 facing the flow distribution plate, an installation groove 13 is further arranged in one end of the piston 12 facing the flow distribution plate and used for installing the valve needle 30, and the installation groove 13 is vertical and communicated with the sliding groove 11 so that one end of the valve needle 30 can slide smoothly in the sliding groove 11; optionally, the mounting groove 13 is T-shaped. The self-positioning cylinder assembly further comprises a gasket 40 for sealing, and the gasket 40 is arranged in the mounting groove 13 and connected with one end of the valve needle 30, which is positioned in the sliding groove.
In a particular embodiment, the needle cylinder 10 comprises: a cylinder body 14 and a cylinder head 15; the cylinder body 14 is arranged at the top of the die 100, and the inner diameter of the cylinder body 14 is matched with the outer diameter of the piston 12 and is used for accommodating the piston 12; the cylinder head 15 is detachably attached to the top of the cylinder body 14. Wherein the self-positioning cylinder assembly further comprises a first intake duct 50 and a second intake duct 60; the first air inlet pipeline 50 and the second air inlet pipeline 60 are arranged on the side surface of the cylinder body 14; specifically, the first air inlet duct 50 is communicated with the upper portion of the piston 12, and is used for injecting air to move the piston 12 downward, so as to drive the valve needle 30 to move toward the hot nozzle 300; accordingly, the second air inlet duct 60 is connected to the lower portion of the piston 12, and is used for injecting air to move the piston 12 upward, so as to drive the valve needle 30 away from the hot nozzle 300.
The following detailed description is made in combination with a specific use scenario on the working principle of the self-positioning cylinder assembly in the embodiment of the present invention:
when the hot runner system is heated, the splitter plate 200 begins to expand in the length direction thereof, the needle sleeve 20 disposed on the splitter plate 200 also follows the movement, the needle 30 disposed in the needle sleeve 20 is also driven by the needle sleeve 20, one end of the needle 30 slides in the sliding groove 11, and the needle sleeve 20 and the needle 30 are always in a concentric position when the splitter plate 200 is expanded or not expanded.
Example two:
referring to fig. 7 to 10, the present invention also discloses a hot runner system for a mold, which includes a splitter plate 200 and a hot nozzle 300 disposed in the mold 100, and the cylinder assembly.
In a specific embodiment, the hot runner system further comprises a first heater 400, an injection nozzle 500, and a second heater 600; the first heater 400 is arranged outside the hot nozzle 300 and used for heating the hot nozzle 300; the injection nozzle 500 is disposed on the dividing plate 200 and communicated with the hot nozzle 300 for injecting the molten rubber into the dividing plate 200, and the second heater 600 is disposed outside the injection nozzle 500 for heating the injection nozzle 500.
It should be understood that the hot runner system also includes other existing structures, which are not described in detail herein.
To sum up, the utility model provides a from cylinder assembly preferred embodiment of location, include: the valve needle cylinder is arranged at the top of the mold, a sliding groove is arranged in the valve needle cylinder, and the length direction of the sliding groove is parallel to the length direction of the flow distribution plate; the valve needle sleeve is sleeved on the flow distribution plate; the valve needle and the valve needle sleeve are arranged concentrically, wherein one end of the valve needle is arranged in the sliding groove in a sliding mode, and the other end of the valve needle is connected with the valve needle sleeve and extends into the hot nozzle. The utility model discloses a set up the sliding tray unanimous with flow distribution plate length direction in the needle cylinder, the valve needle cover drives the needle and slides in the sliding tray when the flow distribution plate inflation, makes valve needle cover and needle be in same central point all the time and puts. The embodiment of the utility model provides an in the embodiment from the situation that the distortion took place for the needle has been avoided to the cylinder subassembly of locating, has saved the cost of maintenance of needle, has guaranteed hot runner system's normal work.
Other embodiments of the invention will be apparent to those skilled in the art from consideration of the specification and practice of the invention disclosed herein. The invention is intended to cover any variations, uses, or adaptations of the invention following, in general, the principles of the invention and including such departures from the present disclosure as come within known or customary practice within the art to which the invention pertains. It is intended that the specification and examples be considered as exemplary only, with a true scope and spirit of the invention being indicated by the following claims.
Claims (10)
1. A self-positioning cylinder assembly for use in a hot runner system in a mold, the hot runner system including a manifold and a hot nozzle disposed in the mold, the self-positioning cylinder assembly comprising:
the valve needle cylinder is arranged at the top of the mold, a sliding groove is arranged in the valve needle cylinder, and the length direction of the sliding groove is parallel to the length direction of the flow distribution plate;
the valve needle sleeve is sleeved on the flow distribution plate;
the valve needle and the valve needle sleeve are arranged concentrically, wherein one end of the valve needle is arranged in the sliding groove in a sliding mode, and the other end of the valve needle is connected with the valve needle sleeve and extends into the hot nozzle.
2. The self-positioning cylinder assembly of claim 1, wherein a piston is disposed within said valve pin cylinder, said piston being connected at one end within said valve pin cylinder and at another end toward said manifold;
the sliding groove is arranged on the piston facing to the inner side of one end of the flow distribution plate, the piston facing to the inner side of one end of the flow distribution plate is further provided with a mounting groove, and the mounting groove is vertical to and communicated with the sliding groove.
3. The self-locating cylinder assembly of claim 2, further comprising a gasket disposed in said mounting groove and coupled to an end of said valve pin within said sliding groove.
4. The self-positioning cylinder assembly of claim 3, wherein said valve pin has an end with a diameter that is adapted to the width of said sliding groove.
5. The self-positioning cylinder assembly of claim 3, further comprising a stop disposed on said manifold and surrounding said valve needle hub.
6. The self-locating cylinder assembly of claim 3, said valve pin cylinder comprising: a cylinder body and a cylinder head;
the cylinder body is arranged at the top of the die, and the inner diameter of the cylinder body is matched with the outer diameter of the piston;
the cylinder cover is detachably connected to the top of the cylinder body.
7. The self-locating cylinder assembly of claim 6, further comprising a first air intake duct and a second air intake duct;
the first air inlet pipeline and the second air inlet pipeline are arranged on the side face of the cylinder body.
8. A hot runner system for a mold comprising a manifold and a hot nozzle disposed in the mold and a self-locating cylinder assembly as claimed in any one of claims 1 to 7.
9. The hot-runner system of claim 8, further comprising a first heater disposed outside the hot nozzle.
10. The hot-runner system of claim 9, further comprising an injection nozzle and a second heater;
the injection nozzle is arranged on the flow distribution plate and communicated with the hot nozzle, and the second heater is arranged on the outer side of the injection nozzle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120706983.6U CN214726137U (en) | 2021-04-07 | 2021-04-07 | Self-positioning air cylinder assembly and hot runner system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120706983.6U CN214726137U (en) | 2021-04-07 | 2021-04-07 | Self-positioning air cylinder assembly and hot runner system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214726137U true CN214726137U (en) | 2021-11-16 |
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ID=78601205
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120706983.6U Active CN214726137U (en) | 2021-04-07 | 2021-04-07 | Self-positioning air cylinder assembly and hot runner system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214726137U (en) |
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2021
- 2021-04-07 CN CN202120706983.6U patent/CN214726137U/en active Active
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