CN215359657U - Hot nozzle structure of plastic injection mold - Google Patents
Hot nozzle structure of plastic injection mold Download PDFInfo
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- CN215359657U CN215359657U CN202121480991.XU CN202121480991U CN215359657U CN 215359657 U CN215359657 U CN 215359657U CN 202121480991 U CN202121480991 U CN 202121480991U CN 215359657 U CN215359657 U CN 215359657U
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Abstract
The utility model relates to the field of injection molds, in particular to a hot nozzle structure of a plastic injection mold, which comprises an injection mold body; two sections of heating hot nozzles are arranged at the lower end of an injection port of the injection mold body, and are arranged up and down and connected with each other; the two sections of heating nozzles comprise nozzle bodies, wherein the lower end of the lower nozzle body is provided with a nozzle core, a main flow channel is longitudinally arranged in each nozzle body, the lower end of the inner part of the lower main flow channel is provided with a shunt needle, and the lower end of the shunt needle outwards protrudes out of the nozzle core; the outer side of each mouth body is sleeved with a heating pipeline; the utility model has the beneficial effects that: the lower end of the injection molding port of the injection mold body is provided with two sections of heating nozzles, and the heating nozzles are additionally arranged on the traditional heating nozzles, so that the heating nozzles can be heated more uniformly, the production cost of the mold is reduced, steel materials and processing cost are saved, the appearance is optimized, energy is saved, the environment is protected, and the use value of the injection mold is improved.
Description
Technical Field
The utility model relates to the field of injection molds, in particular to a hot nozzle structure of a plastic injection mold.
Background
With the development of injection molding technology, hot runner technology is more widely applied to injection molds, and a hot runner hot nozzle is a terminal part of a hot runner system and mainly used for conveying plastic melt conveyed by a splitter plate to a mold cavity so as to form a product through injection molding. Most importantly, the temperature of the front end of the hot nozzle determines whether cold materials exist in the glue opening or not and the color of the product.
At present, the inside of general plastic mould mostly uses one section heating hot to chew, can only be used for producing ordinary low temperature plastics, can not be used for producing high temperature engineering plastics, if produce high temperature engineering plastics then need thickening template to make mould cost increase, the intersection period is long, has reduced work efficiency.
SUMMERY OF THE UTILITY MODEL
The utility model provides a technical scheme capable of solving the problems in order to overcome the defects.
A hot nozzle structure of a plastic injection mold comprises an injection mold body;
two sections of heating hot nozzles are arranged at the lower end of an injection port of the injection mold body, and are arranged up and down and connected with each other;
the two sections of heating nozzles comprise nozzle bodies, the nozzle bodies are of hollow cylindrical structures, nozzle cores are arranged at the lower ends of the lower nozzle bodies, the nozzle cores are integrally of inverted conical structures, the outer walls of the nozzle cores are in a step shape, main flow channels are longitudinally arranged in each nozzle body, the two main flow channels are communicated with each other, the lower main flow channels penetrate through the nozzle cores downwards, flow dividing needles are arranged at the lower ends of the lower main flow channels, and the lower ends of the flow dividing needles protrude out of the nozzle cores;
every outside of chewing the body all is equipped with heating tube, and heating tube is the heliciform and distributes in two outsides of chewing the body, heating tube all with two chew and contact each other between the body.
As a further scheme of the utility model: the reposition of redundant personnel needle is provided with a plurality of branch stream block including reposition of redundant personnel pole, the upper portion circular array interval of reposition of redundant personnel pole, and every divides the outside of stream block all to meet with between the inner wall of sprue, and fore-and-aft branch discharge orifice has all been seted up at every middle part of dividing the stream block, and the branch discharge orifice is radius platform structure.
As a further scheme of the utility model: the upper end and the lower end of the shunt rod are both of a pointed structure with smooth surfaces.
As a further scheme of the utility model: the heating pipeline comprises heating sleeves, each heating sleeve is of a spiral structure, each heating sleeve is in contact with the mouth body, and electric heating wires are arranged inside each heating sleeve.
As a further scheme of the utility model: every heating jacket's the outside all is provided with the protective sheath, the upper end and the lower extreme of protective sheath all with chew interconnect between the body, the medial surface of protective sheath is provided with the heat preservation.
As a further scheme of the utility model: the lower extreme left and right sides that the body was chewed to the top all is provided with the inserted bar, and the upper end that the body was chewed to the below corresponds the inserted bar shaping and has the jack, and the mutual grafting cooperation between inserted bar and the jack.
As a further scheme of the utility model: the contact surface between the two chewing bodies is provided with a sealing gasket which is made of high temperature resistant material.
As a further scheme of the utility model: the nozzle core is made of beryllium copper material.
Compared with the prior art, the utility model has the beneficial effects that: the lower end of the injection molding port of the injection mold body is provided with two sections of heating nozzles, and the heating nozzles are additionally arranged on the traditional heating nozzles, so that the heating nozzles can be heated more uniformly, the production cost of the mold is reduced, steel materials and processing cost are saved, the appearance is optimized, energy is saved, the environment is protected, and the use value of the injection mold is improved.
Additional aspects and advantages of the utility model will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the utility model.
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 description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are only 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 view of the present invention.
Fig. 2 is a schematic structural view of the heat-generating mouthpiece.
Fig. 3 is a schematic structural view of a shunt needle.
Shown in the figure: 1. an injection mold body; 2. a heat-generating heat nozzle; 21. a mouth body; 22. a nozzle core; 23. a main flow channel; 24. inserting a rod; 25. a slot; 3. a shunt needle; 31. a diverter rod; 32. a shunting block; 33. a shunt hole; 4. heating the pipeline; 41. heating the sleeve; 42. an electric heating wire; 43. a protective layer; 44. a heat-insulating layer; 5. and a gasket.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In the description of the present invention, it is to be understood that the terms "length", "width", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships illustrated in the drawings, and are used merely for convenience in describing the present invention and for simplicity in description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed in a particular orientation, and be operated, and thus, are not to be construed as limiting the present invention.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are 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 one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.
In the embodiments of the present invention, unless otherwise explicitly specified or limited, the terms "mounted," "connected," "fixed," and the like are to be construed broadly, e.g., as being fixedly connected, detachably connected, or integrated; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
Referring to fig. 1-3, a hot nozzle structure of a plastic injection mold comprises an injection mold body 1;
the lower end of an injection port of the injection mold body 1 is provided with two sections of heating hot nozzles 2, and the two sections of heating hot nozzles 2 are arranged up and down and connected with each other;
the two sections of heating hot nozzles 2 comprise nozzle bodies 21, the nozzle bodies 21 are of hollow cylindrical structures, nozzle cores 22 are arranged at the lower ends of the nozzle bodies 21 below, the nozzle cores 22 are integrally of inverted conical structures, the outer walls of the nozzle cores 22 are in a step shape, a main flow channel 23 is longitudinally arranged inside each nozzle body 21, the two main flow channels 23 are communicated with each other, the lower main flow channel 23 penetrates through the nozzle cores 22 downwards, a flow dividing needle 3 is arranged at the lower end inside the lower main flow channel 23, and the lower end of the flow dividing needle 3 protrudes out of the nozzle cores 22;
every outside of chewing the body 21 all is equipped with heating tube 4 in a cover way, and heating tube 4 is the heliciform and distributes in two outsides of chewing the body 21, and heating tube 4 all chews the body 21 with two and contacts each other.
By arranging two sections of heating hot nozzles 2 at the lower end of the injection port of the injection mold body 1 and adding a new section of heating hot nozzle 2 on the traditional hot nozzle, when hot-melt plastic flows in the main runner 23, the heating of the hot nozzles can be more uniform through the heating pipeline 4; the nozzle core 22 is used for facilitating the connection of the main flow passage 23 and the cavity of the injection mold body 1; the shunting needle 3 is used for shunting the hot melt plastic in the main runner 23, slowing down the flow of the hot melt plastic and reducing the impact of the hot melt plastic on the nozzle core 22.
As a further scheme of the utility model: reposition of redundant personnel needle 3 is provided with a plurality of branch stream block 32 including reposition of redundant personnel pole 31, the circular array interval in upper portion of reposition of redundant personnel pole 31, meets between the outside of every branch stream block 32 and the inner wall of sprue 23, and fore-and-aft reposition of redundant personnel hole 33 has all been seted up at the middle part of every branch stream block 32, and reposition of redundant personnel hole 33 is radius platform structure.
Through the clearance between reposition of redundant personnel hole 33 and adjacent reposition of redundant personnel piece 32, can shunt the hot melt plastic in sprue 23, slow down the flow of hot melt plastic.
As a further scheme of the utility model: the upper end and the lower end of the flow dividing rod 31 are both of a pointed structure with smooth surfaces.
Can be convenient for hot melt plastic to flow.
As a further scheme of the utility model: the heating pipeline 4 comprises heating sleeves 41, the heating sleeves 41 are in a spiral structure, each heating sleeve 41 is in contact with the mouth body 21, and an electric heating wire 42 is arranged inside each heating sleeve 41.
The electric heating wire 42 generates heat, and the heating sleeve 41 conducts heat and protects the electric heating wire 42.
As a further scheme of the utility model: the outside of every heating sleeve 41 all is provided with protective sheath 43, and the upper end and the lower extreme of protective sheath 43 all with chew between the body 21 interconnect, the medial surface of protective sheath 43 is provided with heat preservation 44.
The protective sleeve 43 can protect the heating sleeve 41 and the mouth body 21; the insulating layer 44 can insulate the heating jacket 41.
As a further scheme of the utility model: the left side and the right side of the lower end of the upper mouth body 21 are both provided with inserting rods 24, the upper end of the lower mouth body 21 is provided with inserting holes 25 corresponding to the forming of the inserting rods 24, and the inserting rods 24 and the inserting holes 25 are mutually inserted and matched.
Can be convenient for carry out the dismouting each other between two body 21 of chewing.
As a further scheme of the utility model: the contact surface between the two chewing bodies 21 is provided with a sealing gasket 5, and the sealing gasket 5 is made of high-temperature resistant materials.
Can prevent the hot melt plastic from overflowing outwards.
As a further scheme of the utility model: the mouth core 22 is made of beryllium copper.
The heat conduction speed is high, the heat loss is low, and the heat balance is better ensured.
It is further noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. The term "comprising", without further limitation, means that the element so defined is not excluded from the group consisting of additional identical elements in the process, method, article, or apparatus that comprises the element.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present application. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the application. Thus, the present application is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (8)
1. The utility model provides a structure is chewed to plastic injection mold's heat which characterized in that: comprises an injection mould body;
two sections of heating hot nozzles are arranged at the lower end of an injection port of the injection mold body, and are arranged up and down and connected with each other;
the two sections of heating nozzles comprise nozzle bodies, the nozzle bodies are of hollow cylindrical structures, nozzle cores are arranged at the lower ends of the lower nozzle bodies, the nozzle cores are integrally of inverted conical structures, the outer walls of the nozzle cores are in a step shape, main flow channels are longitudinally arranged in each nozzle body, the two main flow channels are communicated with each other, the lower main flow channels penetrate through the nozzle cores downwards, flow dividing needles are arranged at the lower ends of the lower main flow channels, and the lower ends of the flow dividing needles protrude out of the nozzle cores;
every outside of chewing the body all is equipped with heating tube, and heating tube is the heliciform and distributes in two outsides of chewing the body, heating tube all with two chew and contact each other between the body.
2. The hot nozzle structure of plastic injection mold according to claim 1, characterized in that: the reposition of redundant personnel needle is provided with a plurality of branch stream block including reposition of redundant personnel pole, the upper portion circular array interval of reposition of redundant personnel pole, and every divides the outside of stream block all to meet with between the inner wall of sprue, and fore-and-aft branch discharge orifice has all been seted up at every middle part of dividing the stream block, and the branch discharge orifice is radius platform structure.
3. The hot nozzle structure of plastic injection mold according to claim 2, characterized in that: the upper end and the lower end of the shunt rod are both of a pointed structure with smooth surfaces.
4. The hot nozzle structure of plastic injection mold according to claim 1, characterized in that: the heating pipeline comprises heating sleeves, each heating sleeve is of a spiral structure, each heating sleeve is in contact with the mouth body, and electric heating wires are arranged inside each heating sleeve.
5. The hot nozzle structure of plastic injection mold according to claim 3, characterized in that: every heating jacket's the outside all is provided with the protective sheath, the upper end and the lower extreme of protective sheath all with chew interconnect between the body, the medial surface of protective sheath is provided with the heat preservation.
6. The hot nozzle structure of plastic injection mold according to claim 1, characterized in that: the lower extreme left and right sides that the body was chewed to the top all is provided with the inserted bar, and the upper end that the body was chewed to the below corresponds the inserted bar shaping and has the jack, and the mutual grafting cooperation between inserted bar and the jack.
7. The hot nozzle structure of plastic injection mold according to claim 6, characterized in that: the contact surface between the two chewing bodies is provided with a sealing gasket which is made of high temperature resistant material.
8. The hot nozzle structure of plastic injection mold according to claim 1, characterized in that: the nozzle core is made of beryllium copper material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121480991.XU CN215359657U (en) | 2021-06-30 | 2021-06-30 | Hot nozzle structure of plastic injection mold |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121480991.XU CN215359657U (en) | 2021-06-30 | 2021-06-30 | Hot nozzle structure of plastic injection mold |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215359657U true CN215359657U (en) | 2021-12-31 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121480991.XU Active CN215359657U (en) | 2021-06-30 | 2021-06-30 | Hot nozzle structure of plastic injection mold |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215359657U (en) |
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2021
- 2021-06-30 CN CN202121480991.XU patent/CN215359657U/en active Active
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