CN218557849U - Positive and negative hot runner structure - Google Patents
Positive and negative hot runner structure Download PDFInfo
- Publication number
- CN218557849U CN218557849U CN202222426389.9U CN202222426389U CN218557849U CN 218557849 U CN218557849 U CN 218557849U CN 202222426389 U CN202222426389 U CN 202222426389U CN 218557849 U CN218557849 U CN 218557849U
- Authority
- CN
- China
- Prior art keywords
- plate
- branch
- hot runner
- positive
- runner structure
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Landscapes
- Moulds For Moulding Plastics Or The Like (AREA)
Abstract
The utility model discloses a positive and negative hot runner structure, include the flow distribution plate and the device of moulding plastics, the flow distribution plate is equipped with fluid passage, the flow distribution plate includes the mainboard body and the branch plate body, and the mainboard body is equipped with cross sprue, the sprue is equipped with the main control cylinder, the branch plate body is equipped with branch runner, and the branch plate body is equipped with two at least valve bodies, and moulding plastics of two valve bodies chew the orientation on the contrary. The plastic fluid is controlled to flow into the branch flow channels according to a preset flow and flow into the valve body, when the branch control cylinder is opened, the plastic fluid respectively flows into the die cavities on two sides of the flow distribution plate, so that the discharging of one die for double materials is realized, the plastic fluid is stable, and the problem of chromatic aberration of a product with one die for double materials is avoided.
Description
Technical Field
The utility model relates to a hot runner mechanism field of moulding plastics, in particular to positive and negative hot runner structure.
Background
Hot runners are systems of heating assemblies used in injection molds to inject molten plastic pellets into the mold cavity. The hot runner mold is a new structure in which the runner and the runner of the conventional mold or the three-plate mold are heated, and the runner do not need to be taken out for each molding.
However, in some injection molds with one mold and two materials, the fixed mold is generally matched with a plurality of hot runners, so that the injection molding of the movable molds on two sides is realized simultaneously, and the one mold and two materials are realized. However, the design of this structure is complicated, for example, each runner is designed separately or a plurality of runners are matched in series with each other through a main runner, and the directions of the runners are opposite, so the design and installation defective rate of the hot runner is low, and the runners of this type can only be used for a single mold design, so the design cost is high.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a positive and negative hot runner structure, aim at making hot runner modularized design, and can be applicable to the injection mold of multiple a mould extra quality, simple structure is exquisite simultaneously, and design cost is lower, and maintenance or the increase and decrease that can the runner alone.
In order to achieve the above object, the utility model provides a positive and negative hot runner structure, include:
the flow distribution plate is provided with a fluid channel and comprises a main plate body formed by enclosing a transverse plate and a longitudinal plate, and branch plate bodies arranged at two ends of the transverse plate and extending horizontally and two ends of the longitudinal plate, wherein the main plate body is provided with a cross main flow passage, the main flow passage is provided with a main control cylinder, and the branch plate bodies are provided with branch flow passages;
the injection molding device is arranged at two ends of the branch plate body and comprises a valve body with an injection molding nozzle and a branch control cylinder arranged on the other side wall of the branch plate body, the branch plate body is provided with at least two valve bodies, and the injection molding nozzles of the two valve bodies are opposite in direction.
Specifically, the end of the branch plate body is provided with a mounting hole which penetrates through the branch plate body, the valve body and the branch control cylinder are arranged in the mounting hole, and the mounting hole is communicated with the branch flow channel.
Specifically, the transverse plates and the longitudinal plates are mutually perpendicular or obliquely crossed, a joint end is arranged between the transverse plates and the longitudinal plates, and the main control cylinder is arranged at the position of the joint end.
Specifically, an avoidance groove is formed between the adjacent branch plate bodies and the main plate body in a surrounding mode.
Specifically, the upper wall of flow distribution plate all is equipped with the heating pipe, the heating pipe is parallel and level mutually with the wall of flow distribution plate, the installation interface of heating pipe is equipped with dodges the groove.
Specifically, the heating pipe is arranged in a closed ring shape, and the front end and the tail end of the heating pipe are adjacently arranged.
Specifically, the flow distribution plate is composed of an upper plate and a lower plate, and the grooves in the opposite wall surfaces of the upper plate and the lower plate enclose the main flow channel and the branch flow channels.
Specifically, the upper plate is integrally formed, and the lower plate is integrally formed.
Specifically, the valve body is equipped with eight, and wherein the mouth of moulding plastics of four valve bodies sets up upwards, and wherein the mouth of moulding plastics of four valve bodies sets up downwards.
The utility model discloses technical scheme is at first through setting up the flow distribution plate as cross mainboard body, set up the branch plate body at the tip of mainboard body simultaneously, central point at the mainboard body puts the main control cylinder that sets up the sprue and be used for controlling the plastic fluid of sprue to control the plastic fluid and flow into the branch runner according to predetermined flow, and flow into the valve body, when branch control cylinder opened, the plastic fluid flows into the mould intracavity of flow distribution plate both sides respectively, thereby realized the ejection of compact of one mould double-material, and the plastic fluid is comparatively stable, avoided appearing the product of one mould double-material to appear the problem of colour difference; simultaneously through the setting of mainboard body, branch plate body and valve body, make the hot runner overall arrangement comparatively symmetrical, and simple structure is stable, and this design can increase or reduce the quantity of valve body and branch control cylinder according to the demand of reality simultaneously, when installing in the cover half, also comparatively simple, the suitability is higher, and production is stable.
Drawings
Fig. 1 is a first perspective view of the present invention;
FIG. 2 is a second perspective view of the present invention;
fig. 3 is a first schematic plan view of the present invention;
fig. 4 is a schematic plan view of the present invention.
In the figure, 1 is a flow distribution plate, 101 is an upper plate, 102 is a lower plate, 11 is a main plate body, 111 is a transverse plate, 112 is a longitudinal plate, 12 is a branch plate body, 21 is a main control cylinder, 22 is a branch control cylinder, 31 is a main flow passage, 32 is a branch flow passage, 41 is a valve body, 42 is an injection nozzle, 5 is a heating pipe, 6 is an avoidance groove, 7 is a through groove, and 71 is a temperature sensor.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
It should be noted that, if directional indications (such as up, down, left, right, front, back, top, bottom, inner, outer, vertical, transverse, longitudinal, counterclockwise, clockwise, circumferential, radial, axial \8230 \ 8230;) are provided in the embodiments of the present invention, the directional indications are only used to explain the relative position relationship, motion condition, etc. of the components at a specific posture (as shown in the attached drawings), and if the specific posture is changed, the directional indications are correspondingly changed.
In addition, if there is a description relating to "first" or "second", etc. in the embodiments of the present invention, the description of "first" or "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.
As shown in fig. 1 to 3, a forward-reverse hot runner structure includes:
the flow distribution plate 1 is provided with a fluid channel, the flow distribution plate 1 comprises a main plate body 11 enclosed by a transverse plate 111 and a longitudinal plate 112, and branch plate bodies 12 arranged at two ends of the transverse plate 111 and two ends of the longitudinal plate and extending horizontally, the main plate body is provided with a cross-shaped main flow passage 31, the main flow passage 31 is provided with a main control cylinder 21, and the branch plate bodies 12 are provided with branch flow passages 32;
the injection molding device is arranged at two ends of the branch plate body 12 and comprises a valve body 41 provided with an injection nozzle 42 and a branch control cylinder 22 arranged on the other side wall of the branch plate body 12, the branch plate body 12 is provided with at least two valve bodies 41, and the injection nozzles 42 of the two valve bodies 41 face opposite directions.
Firstly, the flow distribution plate 1 is arranged to be a cross-shaped main plate body 11, meanwhile, the end part of the main plate body 11 is provided with the branch plate body 12, the central position of the main plate body 11 is provided with the main flow passage 31 and the main control cylinder 21 for controlling the plastic fluid of the main flow passage 31, so that the plastic fluid is controlled to flow into the branch flow passage 32 according to a preset flow and flow into the valve body 41, when the branch control cylinder 22 is opened, the plastic fluid respectively flows into the mold cavities at two sides of the flow distribution plate 1, thereby realizing the discharge of one mold with two materials, and the plastic fluid is relatively stable, and avoiding the problem of color difference of products with one mold with two materials; meanwhile, the main plate body 11, the branch plate body 12 and the valve body 41 are arranged, so that the hot runner layout is symmetrical, the structure is simple and stable, the number of the valve body 41 and the branch control cylinders 22 can be increased or reduced according to actual requirements, and the hot runner is simple, high in applicability and stable in production when the hot runner is installed on a fixed die.
In the embodiment of the present invention, the end of the branch plate body 12 is provided with a mounting hole through which the plastic fluid can be controlled, the valve body 41 and the branch control cylinder 22 are disposed in the mounting hole, and the mounting hole is linked with the branch flow channel 32, i.e. the valve body 41 and the branch control cylinder 22 are mounted in the mounting hole.
Specifically, the transverse plate 111 and the longitudinal plate 112 are perpendicular to each other or obliquely crossed with each other, a joint end is arranged between the transverse plate 111 and the longitudinal plate 112, and the main control cylinder 21 is arranged at the position of the joint end. The main control cylinder 21 is provided with a glue discharging valve 8 for cleaning or dredging the plastic of the hot runner.
In the first embodiment, the mutually perpendicular arrangement is as shown in fig. 3, and the rectangular arrangement is adopted;
in the second embodiment, the oblique crossing arrangement is generally a longer length of one of the transverse plates 111 or the longitudinal plates 112, so that a wider injection molding area can be achieved by adopting the crossing arrangement.
In the embodiment of the present invention, the avoidance groove 6 is formed between the adjacent branch plate 12 and the main plate 11. The position of the avoiding groove 6 is used for installation in the fixed mold, such as positioning or fixing, and in one embodiment, each valve body 41 can be controlled by a separate runner, and the runner inlet can be arranged at the avoiding position, so that the design improvement and the applicability are improved.
Specifically, the upper wall of flow distribution plate 1 all is equipped with heating pipe 5, heating pipe 5 and flow distribution plate 1's wall looks parallel and level, heating pipe 5's installation interface is equipped with dodges groove 6. Thereby the installation and the fixed of hot runner have been made things convenient for, the part interference in having reduced the installation, and the thermal insulation performance is better simultaneously.
More specifically, heating pipe 5 is the closed loop form setting, and its front end and tail end adjacent set up to make things convenient for installation and fixed, and the overall arrangement is more reasonable stable, and it is also convenient to maintain simultaneously.
In the embodiment of the present invention, the flow distribution plate 1 is composed of an upper plate 101 and a lower plate 102, and the grooves of the opposite wall surfaces of the upper plate 101 and the lower plate 102 are enclosed into the main flow passage 31 and the branch flow passages 32, so that the structural stability is better, and the built-in flow passages can also reduce the production cost.
Further, the upper plate 101 is integrally formed, and the lower plate 102 is integrally formed. In the actual process, the upper plate 101 and the lower plate 102 are integrally formed by the engraving process, so that the problems of the obstruction or the plastic residue in the flow of the plastic fluid are reduced.
Further, the number of the valve bodies 41 is eight, wherein the injection nozzles 42 of the four valve bodies 41 are arranged upward, and the injection nozzles 42 of the four valve bodies 41 are arranged downward.
Specifically, the splitter plate 1 is provided with a through groove 7, the through groove 7 is provided with a temperature sensor 71, and the temperature sensor is arranged through the through groove 7, so that the temperature of the middle part of the splitter plate 1, namely the temperature of the hot plastic fluid, can be measured by the sensor. Wherein the periphery of the temperature sensor is provided with a protective armor which protrudes out of the sensor and encloses the sensor.
The above only be the preferred embodiment of the utility model discloses a not consequently restriction the patent scope of the utility model, all be in the utility model discloses a under the design, utilize the equivalent structure transform of what the content of the description and the attached drawing was done, or direct/indirect application all includes in other relevant technical field the utility model discloses a patent protection is within range.
Claims (10)
1. A positive and negative hot runner structure, comprising:
the flow distribution plate is provided with a fluid channel and comprises a main plate body formed by enclosing a transverse plate and a longitudinal plate and branch plate bodies arranged at two ends of the transverse plate and extending horizontally and two ends of the longitudinal plate and provided with a cross main flow passage, the main flow passage is provided with a main control cylinder, and the branch plate bodies are provided with branch flow passages;
the injection molding device is arranged at two ends of the branch plate body and comprises a valve body with an injection molding nozzle and a branch control cylinder arranged on the other side wall of the branch plate body, the branch plate body is provided with at least two valve bodies, and the injection molding nozzles of the two valve bodies are opposite in orientation.
2. The positive-negative hot runner structure according to claim 1, wherein: the end part of the branch plate body is provided with a mounting hole which is arranged in a penetrating way, the valve body and the branch control cylinder are arranged in the mounting hole, and the mounting hole is communicated with the branch flow channel.
3. The positive-negative hot runner structure of claim 1, wherein: the transverse plates and the longitudinal plates are mutually perpendicular or obliquely and crossly arranged, a joint end is arranged between the transverse plates and the longitudinal plates, the main control cylinder is arranged at the position of the joint end, and the main control cylinder is provided with a glue discharging valve.
4. The positive-negative hot runner structure according to claim 1, wherein: and an avoiding groove is enclosed between the adjacent branch plate bodies and the main plate body.
5. The positive-negative hot runner structure of claim 4, wherein: the upper wall of flow distribution plate all is equipped with the heating pipe, the heating pipe is parallel and level mutually with the wall of flow distribution plate, the installation interface of heating pipe is equipped with dodges the groove.
6. The positive-negative hot runner structure of claim 5, wherein: the heating pipe is arranged in a closed ring shape, and the front end and the tail end of the heating pipe are adjacently arranged.
7. The positive-negative hot runner structure of claim 1, wherein: the flow distribution plate is composed of an upper plate and a lower plate, and grooves in the opposite wall surfaces of the upper plate and the lower plate surround the main flow channel and the branch flow channels.
8. The positive-negative hot runner structure of claim 7, wherein: the upper plate is integrally formed, and the lower plate is integrally formed.
9. The positive-negative hot runner structure of claim 1, wherein: the eight valve bodies are arranged, the injection molding nozzles of the four valve bodies are arranged upwards, and the injection molding nozzles of the four valve bodies are arranged downwards.
10. The positive-negative hot runner structure according to claim 1, wherein: the flow distribution plate is provided with a through groove which is penetrated through, and the through groove is provided with a temperature sensor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222426389.9U CN218557849U (en) | 2022-09-13 | 2022-09-13 | Positive and negative hot runner structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222426389.9U CN218557849U (en) | 2022-09-13 | 2022-09-13 | Positive and negative hot runner structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218557849U true CN218557849U (en) | 2023-03-03 |
Family
ID=85311176
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222426389.9U Active CN218557849U (en) | 2022-09-13 | 2022-09-13 | Positive and negative hot runner structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218557849U (en) |
-
2022
- 2022-09-13 CN CN202222426389.9U patent/CN218557849U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN218557849U (en) | Positive and negative hot runner structure | |
| CN220113914U (en) | Double-pipeline double-layer hot runner flow distribution plate and injection mold | |
| CN102909829A (en) | Full hot runner forming die for injector outer sheath | |
| CN212171185U (en) | Flow passage structure of keyboard mould | |
| CN215320322U (en) | Injection molding device | |
| CN112959617A (en) | One-outlet two-lead-acid battery box injection mold | |
| CN111923346A (en) | Hot runner injection device and hot runner system | |
| CN218965923U (en) | One-to-eight hot runner casting system with double positioning and high precision | |
| CN217729528U (en) | Many caves needle valve hot runner system | |
| CN218803726U (en) | Hot nozzle of hot runner and injection mold with inside and outside rubber coating ejection of compact structure | |
| CN220946397U (en) | Hot runner hot nozzle structure of injection mold | |
| CN214820283U (en) | Injection molding device | |
| CN220280371U (en) | Hot runner flow dividing plate | |
| CN217098702U (en) | Hot runner mold shunting structure | |
| CN212312639U (en) | Hot runner injection device and hot runner system | |
| CN218399264U (en) | Hot runner flow distribution plate for injection molding of precision mold | |
| CN215039873U (en) | Hot runner injection mold of interchangeable look | |
| CN208084863U (en) | A kind of injection molding uniform flow distribution plate of multiple spot heat transfer | |
| CN218139628U (en) | Hot runner device | |
| CN216941652U (en) | Mould benevolence subassembly components of a whole that can function independently sets up injection mold's hot runner system | |
| CN221475957U (en) | Color matching keyboard full-page key cap die | |
| CN210705819U (en) | Hot nozzle assembly and hot runner system | |
| CN218857583U (en) | Multi-runner forming die | |
| CN218966027U (en) | Multi-cavity open type injection molding system | |
| CN216400400U (en) | Thin water gap hot runner mold |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |