CN210758974U - Glue feeding structure for needle valve type hot runner system - Google Patents
Glue feeding structure for needle valve type hot runner system Download PDFInfo
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- CN210758974U CN210758974U CN201921686799.9U CN201921686799U CN210758974U CN 210758974 U CN210758974 U CN 210758974U CN 201921686799 U CN201921686799 U CN 201921686799U CN 210758974 U CN210758974 U CN 210758974U
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- flow distribution
- distribution plate
- rotary shell
- needle valve
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Abstract
The utility model relates to a mould advances gluey technical field, discloses a advance gluey structure for needle valve formula hot runner system, include: the multi-block flow distribution plate comprises two flow distribution plates, wherein the two flow distribution plates are fixedly connected through a rotary connecting device, the rotary connecting device is used for rotating the flow distribution plates, a main nozzle used for rubber materials to flow into the flow distribution plates is arranged on each flow distribution plate, a hot nozzle used for discharging the rubber is arranged on one flow distribution plate, the hot nozzle can be fixed on an external die sliding block, the hot nozzles are fixedly connected with the flow distribution plates, and the flow distribution plates are provided with opening and closing pieces used for controlling the opening and closing of the hot nozzles and fixedly connected with the flow distribution plates relative to one ends of the hot nozzles. Through rotatory linking device with two flow distribution plate swivelling joints, hot mouth can be fixed on the mould slider to along with mould slider moves together, and then advance gluey on the mould slider, guaranteed the gluey effect of advancing of needle valve formula heat chewing, reduced the recovery of mouth of a river material, increased production efficiency, satisfied the use in advancing gluey needle valve formula hot runner system on the mould slider.
Description
Technical Field
The utility model relates to a mould advances gluey technical field, especially relates to an advance gluey structure for needle valve formula hot runner system.
Background
In the production of plastic products, in order to control the fusion position of plastics and make the products have better appearance and molding quality, a needle valve type hot runner system is often adopted, and an oil cylinder or an air cylinder is used for driving a needle to move to control the closing of a hot nozzle so as to achieve the purpose.
In actual use, the existing hot runner mold with a side glue inlet structure adopts a semi-hot runner mode, namely a main runner adopts a hot runner mode, and a side glue inlet point adopts a cold runner mode. The side of half hot runner mode advances gluey structure mould, still has some mouth of a river materials, can not make full use of the energy to when the mouth of a river material is used in the recovery, will waste manpower and materials, economic benefits is low.
At present, for a product which needs to be glued on a parting surface of a sliding block when the glue is fed into the product, a glue inlet is formed on an appearance surface or is close to the appearance surface, and the molded product usually has the following appearance problems near the glue inlet: 1. the glue inlet often generates the problems of fog spots, impact marks, shrinkage depressions and the like, and the appearance surface of the product is directly influenced; 2. the glue is fed into the side of the product, the glue opening needs to be trimmed, the quality of the trimming quality is good, and the appearance quality of the product is also affected.
Therefore, how to change the glue feeding manner of the mold becomes a technical problem to be solved urgently.
SUMMERY OF THE UTILITY MODEL
The to-be-solved technical problem of the utility model lies in changing the gluey mode of advancing of mould.
Therefore, according to the first aspect, the embodiment of the utility model discloses a advance gluey structure for needle valve formula hot runner system includes: the hot nozzle is fixed on an external die sliding block and fixedly connected with the flow distribution plate, one end of the flow distribution plate, which is opposite to the hot nozzle, is provided with a starting and closing piece for controlling the starting and closing of the hot nozzle, and the starting and closing piece is fixedly connected with the flow distribution plate.
The utility model discloses further set up as, the piece that opens and shuts is cylinder or hydro-cylinder.
The utility model discloses further set up to, rotatory linking device is including setting gradually in two first rotatory shell and the rotatory shell of second between the flow distribution plate, first rotatory shell with the rotatory shell of second rotates to be connected, first rotatory shell with the rotatory shell of second all with flow distribution plate fixed connection, first rotatory shell with be equipped with in the rotatory shell of second and be used for driving first rotatory shell and second rotatory shell pivoted mold insert, first rotatory shell with still be equipped with in the rotatory shell of second and be used for with first rotatory shell with second rotatory shell fixed connection's protective sheath, the mold insert install in the protective sheath.
The utility model discloses further set up to, rotatory linking device is still including being used for preventing the not hard up jump ring of protective sheath.
The utility model discloses further set up to, the protective sheath will through the thread first rotatory shell with the rotatory shell fixed connection of second.
The utility model discloses following beneficial effect has: through rotatory linking device with two flow distribution plate swivelling joints, hot mouth can be fixed on the mould slider to along with mould slider moves together, and then advance gluey on the mould slider, guaranteed the gluey effect of advancing of needle valve formula heat chewing, reduced the recovery of mouth of a river material, increased production efficiency, satisfied the use in advancing gluey needle valve formula hot runner system on the mould slider.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments or the technical solutions in the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a schematic structural diagram of a glue inlet structure for a needle valve type hot runner system disclosed in the present embodiment;
fig. 2 is a schematic structural diagram of a rotary joining device of a glue inlet structure for a needle valve type hot runner system disclosed in this embodiment;
fig. 3 is a schematic diagram of a use state of a glue inlet structure for a needle valve type hot runner system disclosed in this embodiment.
Reference numerals: 1. a flow distribution plate; 2. rotating the engaging device; 21. a first rotating housing; 22. a second rotating housing; 23. an insert; 24. a protective sleeve; 3. a main nozzle; 4. a hot nozzle; 5. an opening and closing member; 6. a screw; 7. and (4) a die slide block.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; the two elements may be directly connected or indirectly connected through an intermediate medium, or may be communicated with each other inside the two elements, or may be wirelessly connected or wired connected. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
Furthermore, the technical features mentioned in the different embodiments of the invention described below can be combined with each other as long as they do not conflict with each other.
The embodiment of the utility model discloses advance gluey structure for needle valve formula hot runner system, as shown in fig. 1 and 2, include: polylith flow distribution plate 1, two flow distribution plate 1 are through rotatory linking device 2 fixed connection, rotatory linking device 2 is used for rotatory flow distribution plate 1, be equipped with the main mouth 3 that is used for the sizing material to flow in flow distribution plate 1 on the flow distribution plate 1, wherein be equipped with the hot mouth 4 that is used for going out the glue on one flow distribution plate 1, hot mouth 4 can be fixed in outside mould slider 7, hot mouth 4 and flow distribution plate 1 fixed connection, flow distribution plate 1 is equipped with the piece 5 that opens and close that is used for controlling hot mouth 4 to open and close for the one end of hot mouth 4, the piece 5 that opens and close and flow distribution plate 1 fixed connection.
It should be noted that, through rotatory linking device 2 with two flow distribution plates 1 swivelling joint, hot mouth 4 can be fixed on mould slider 7 to along with mould slider 7 moves together, and then advances gluey on mould slider 7, has guaranteed the gluey effect of advancing of needle valve formula hot nozzle, has reduced the recovery of mouth of a river material, has increased production efficiency, has satisfied the use in the needle valve formula hot runner system of advancing gluey on mould slider 7.
As shown in fig. 1, the opening and closing member 5 is a cylinder or an oil cylinder. In the specific implementation process, the fixed hot nozzle 4 and the flow distribution plate 1 of the cylinder can be made into a special-shaped body, so that the glue inlet position is convenient to find.
As shown in fig. 1 and 2, the rotary joining device 2 includes a first rotary shell 21 and a second rotary shell 22 sequentially disposed between the two splitter plates 1, the first rotary shell 21 and the second rotary shell 22 are rotatably connected, the first rotary shell 21 and the second rotary shell 22 are both fixedly connected to the splitter plates 1, insert 23 for driving the first rotary shell 21 and the second rotary shell 22 to rotate is disposed in the first rotary shell 21 and the second rotary shell 22, a protective sleeve 24 for fixedly connecting the first rotary shell 21 and the second rotary shell 22 is further disposed in the first rotary shell 21 and the second rotary shell 22, and the insert 23 is disposed in the protective sleeve 24. In the specific implementation process, the first rotating shell 21 is fixedly connected with the flow distribution plate 1 through the screw 6, and the second rotating shell 22 is fixedly connected with the flow distribution plate 1 through the screw 6.
As shown in fig. 1 and 2, the rotary engagement device 2 further includes a circlip for preventing the protective sleeve 24 from loosening.
As shown in fig. 2, the protective sleeve 24 fixedly connects the first rotary housing 21 and the second rotary housing 22 by means of screw threads. Fig. 3 is a schematic diagram of a use state of a glue inlet structure for a needle valve type hot runner system disclosed in this embodiment.
The working principle is as follows: as shown in fig. 3, when preparing to produce an injection molding product, the mold is closed, because the hot nozzle 4 is fixed with the mold slide block 7, the hot nozzle 4 moves to a closed position along with the mold slide block 7, and after the mold is closed, the injection molding machine gives an injection molding signal to open the valve needle and start injection molding; after injection molding is finished, the injection molding machine gives an injection molding signal to close the valve needle, the hot nozzle 4 moves to a mold opening position along with the sliding block, and the ejector pin ejects a product after the mold is opened to finish one-time injection molding.
It should be understood that the above examples are only for clarity of illustration and are not intended to limit the embodiments. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. And obvious variations or modifications can be made without departing from the scope of the invention.
Claims (5)
1. A advance gluey structure for needle valve formula hot runner system, characterized by includes: polylith flow distribution plate (1), two flow distribution plate (1) are through rotatory linking device (2) fixed connection, rotatory linking device (2) are used for rotatory flow distribution plate (1), be equipped with on flow distribution plate (1) and be used for the sizing material to flow in main mouth (3) in flow distribution plate (1), one of them be equipped with on flow distribution plate (1) and be used for out hot mouth (4) of gluing, hot mouth (4) can be fixed in outside mould slider (7), hot mouth (4) with flow distribution plate (1) fixed connection, flow distribution plate (1) for the one end of hot mouth (4) is equipped with and is used for control open and close piece (5) that hot mouth (4) opened and close, open and close piece (5) with flow distribution plate (1) fixed connection.
2. The glue feeding structure for a needle valve type hot runner system according to claim 1, wherein the shutter (5) is a cylinder or an oil cylinder.
3. The glue feeding structure for the needle valve type hot runner system according to claim 1, wherein the rotary joining device (2) comprises a first rotary shell (21) and a second rotary shell (22) sequentially disposed between the two splitter plates (1), the first rotary shell (21) and the second rotary shell (22) are rotatably connected, both the first rotary shell (21) and the second rotary shell (22) are fixedly connected to the splitter plates (1), an insert (23) for driving the first rotary shell (21) and the second rotary shell (22) to rotate is disposed in the first rotary shell (21) and the second rotary shell (22), and a protective sleeve (24) for fixedly connecting the first rotary shell (21) and the second rotary shell (22) is further disposed in the first rotary shell (21) and the second rotary shell (22), the insert (23) is mounted in the protective sleeve (24).
4. The glue feeding structure for a needle valve type hot runner system according to claim 3, wherein the rotary joining device (2) further comprises a clamp spring for preventing the protective sleeve (24) from loosening.
5. The glue inlet structure for a needle valve type hot runner system according to claim 3, wherein the protective sleeve (24) fixedly connects the first rotary shell (21) and the second rotary shell (22) by a thread.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921686799.9U CN210758974U (en) | 2019-10-10 | 2019-10-10 | Glue feeding structure for needle valve type hot runner system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921686799.9U CN210758974U (en) | 2019-10-10 | 2019-10-10 | Glue feeding structure for needle valve type hot runner system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210758974U true CN210758974U (en) | 2020-06-16 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921686799.9U Active CN210758974U (en) | 2019-10-10 | 2019-10-10 | Glue feeding structure for needle valve type hot runner system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210758974U (en) |
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2019
- 2019-10-10 CN CN201921686799.9U patent/CN210758974U/en active Active
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