CN212288588U - Hot runner heating assembly - Google Patents
Hot runner heating assembly Download PDFInfo
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- CN212288588U CN212288588U CN202020516792.9U CN202020516792U CN212288588U CN 212288588 U CN212288588 U CN 212288588U CN 202020516792 U CN202020516792 U CN 202020516792U CN 212288588 U CN212288588 U CN 212288588U
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Abstract
The embodiment of the utility model discloses a hot runner heating assembly, in particular to the technical field of automobile part production, which comprises a first runner, two second runners and two heating wires, wherein the outer end of the second runner is provided with an anti-extrusion mechanism; prevent that extrusion mechanism includes two heat pipes, the heat pipe is established inside the heater strip, the heater strip winding is in the heat pipe outer end, the heater strip outer end is equipped with the protection casing, per two the fixed plate that is equipped with between the protection casing, the fixed plate contacts with the heat pipe, fixed plate one side is equipped with first horizontal pole, first horizontal pole and fixed plate fixed connection, first horizontal pole outside is equipped with the second horizontal pole, second horizontal pole one side is equipped with thermal-insulated pipe, thermal-insulated pipe and second horizontal pole fixed connection. The utility model discloses an utilize the second horizontal pole vacuole formation between heat pipe and thermal-insulated pipe to prevent that the heater strip from receiving the extrusion, with the protection heater strip.
Description
Technical Field
The embodiment of the utility model provides a relate to auto parts production technical field, concretely relates to hot runner heating element.
Background
The hot runner mold is a mold which makes the melt in the runner not solidified all the time by using a heating device, and has shorter forming period and more saved raw materials compared with the traditional mold, so the hot runner mold is widely applied to developed countries and regions of various industries in the world at present, the existing runner is heated by a heater, the whole runner from the nozzle outlet of an injection molding machine to a sprue is in a high-temperature state, and the plastic in the runner is kept in a molten state.
However, because the temperature of the plastic melt in the hot runner is high, the runner is easily expanded by heating according to the principle of expansion with heat and contraction with cold, and the runner can be easily extruded between the runner and the heat insulation pipe after expansion, so that the heater is extruded, and the heater is easily damaged.
SUMMERY OF THE UTILITY MODEL
Therefore, the embodiment of the utility model provides a hot runner heating assembly aims at solving among the prior art because the heater receives the impaired problem of heater that extrudees and lead to.
In order to achieve the above object, the embodiment of the present invention provides the following technical solutions:
according to the embodiment of the utility model, the hot runner heating assembly comprises a first flow passage, two second flow passages and two heating wires, wherein the two second flow passages are both fixedly arranged at the bottom of the first flow passage, the heating wires are arranged inside the second flow passages, and the outer ends of the second flow passages are provided with an anti-extrusion mechanism;
prevent that extrusion mechanism includes two heat pipes, the heat pipe is established in second flow path outer end, the heat pipe contacts with second flow path, the heat pipe is established inside the heater strip, the heater strip winding is in the heat pipe outer end, the heater strip outer end is equipped with the protection casing, per two the fixed plate that is equipped with between the protection casing, the fixed plate is established in heat pipe one side, the fixed plate contacts with the heat pipe, fixed plate one side is equipped with first horizontal pole, first horizontal pole and fixed plate fixed connection, first horizontal pole outside is equipped with the second horizontal pole, second horizontal pole one side is equipped with thermal-insulated pipe, thermal-insulated pipe and second horizontal pole fixed connection.
Further, an arc-shaped heating plate is arranged at the bottom of the first flow channel and fixedly connected with the first flow channel, and the second flow channels penetrate through the arc-shaped heating plate.
Furthermore, an arc-shaped heat insulation plate is arranged outside the arc-shaped heating plate, the second flow channel penetrates through the arc-shaped heat insulation plate and extends into the first flow channel, and a cavity is formed between the arc-shaped heat insulation plate and the arc-shaped heating plate.
Furtherly, two the wire casing has all been seted up to the heat pipe outer end, the heater strip is established inside the wire casing.
Furthermore, a vertical rod is arranged at the top of the first cross rod, and the vertical rod is arranged inside the second cross rod and extends out of the top of the second cross rod.
Furthermore, a baffle is arranged at the top of the second cross rod and at the outer end of the vertical rod, and the baffle is fixedly connected with the vertical rod.
Furthermore, a moving groove is formed in the top of the second cross rod, and the vertical rod is arranged inside the moving groove.
Furthermore, the outer ends of the heat insulation pipe and the two arc-shaped heat insulation plates are provided with a runner plate, and the heat insulation pipe and the arc-shaped heat insulation plates are fixedly connected with the runner plate.
The embodiment of the utility model provides a have following advantage:
the utility model discloses a place the heater strip in the wire casing of heat pipe, and set up the protection casing in the heater strip outer end, and set up first horizontal pole and second horizontal pole between two protection casings, when the heat pipe is heated and takes place the inflation, the second horizontal pole can support between heat pipe and thermal-insulated pipe, in order to prevent that the heater strip from receiving the extrusion of outside thermal-insulated pipe, compare with prior art, effectually avoided the heater strip to receive the extruded condition of thermal-insulated pipe, and then the effectual heater strip that has protected.
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. It should be apparent that the drawings in the following description are merely exemplary, and that other embodiments can be derived from the drawings provided by those of ordinary skill in the art without inventive effort.
The structure, ratio, size and the like shown in the present specification are only used for matching with the content disclosed in the specification, so as to be known and read by people familiar with the technology, and are not used for limiting the limit conditions which can be implemented by the present invention, so that the present invention has no technical essential significance, and any structure modification, ratio relationship change or size adjustment should still fall within the scope which can be covered by the technical content disclosed by the present invention without affecting the efficacy and the achievable purpose of the present invention.
Fig. 1 is a schematic view of an overall structure provided by an embodiment of the present invention;
fig. 2 is a cross-sectional view of a second first flow passage provided in an embodiment of the present invention;
fig. 3 is a vertical sectional view of a second flow passage provided in an embodiment of the present invention;
fig. 4 is a cross-sectional view of a second flow passage provided in an embodiment of the present invention;
fig. 5 is a vertical cross-sectional view of the first flow channel provided in the embodiment of the present invention.
In the figure: the heat-insulating plate comprises a first flow channel 1, a second flow channel 2, a heat-conducting pipe 3, a heating wire 4, a protective cover 5, a fixing plate 6, a first cross rod 7, a second cross rod 8, a heat-insulating pipe 9, an arc-shaped heating plate 10, an arc-shaped heat-insulating plate 11, a vertical rod 12, a baffle 13, a moving groove 14 and a wire groove 15.
Detailed Description
The present invention is described in terms of specific embodiments, and other advantages and benefits of the present invention will become apparent to those skilled in the art from the following disclosure. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
In the present specification, the terms "upper", "lower", "left", "right", "middle", and the like are used for the sake of clarity only, and are not intended to limit the scope of the present invention, and changes or adjustments of the relative relationship thereof are also considered to be the scope of the present invention without substantial changes in the technical content.
Referring to the attached drawings 1-5 in the specification, the hot runner heating assembly of the embodiment comprises a first flow passage 1, two second flow passages 2 and two heating wires 4, wherein the two second flow passages 2 are both fixedly arranged at the bottom of the first flow passage 1, the heating wires 4 are arranged inside the second flow passages 2, and the outer ends of the second flow passages 2 are provided with anti-extrusion mechanisms;
the anti-extrusion mechanism comprises two heat conduction pipes 3, the heat conduction pipes 3 are arranged at the outer end of a second flow channel 2, the heat conduction pipes 3 are contacted with the second flow channel 2, the heat conduction pipes 3 are arranged inside heating wires 4, the heating wires 4 are wound at the outer end of the heat conduction pipes 3, the outer end of the heating wires 4 is provided with a protective cover 5, a fixing plate 6 is fixedly arranged between every two protective covers 5, the fixing plate 6 is arranged at one side of the heat conduction pipes 3, the fixing plate 6 is contacted with the heat conduction pipes 3, one side of the fixing plate 6 is provided with a first cross rod 7, the first cross rod 7 is fixedly connected with the fixing plate 6, the outer part of the first cross rod 7 is provided with a second cross rod 8, one side of the second cross rod 8 is provided with a heat insulation pipe 9, the heat insulation pipe 9 is fixedly connected with the second cross, and a cavity is formed between the heat conduction pipe 3 and the heat insulation pipe 9 by using the second cross bar 8, so that the heating wire 4 is prevented from being extruded by the heat conduction pipe 3 and the heat insulation pipe 9, and the heating wire 4 can be effectively protected.
Further, 1 bottom in first runner is equipped with arc hot plate 10, arc hot plate 10 and 1 fixed connection in first runner, two second runner 2 all passes arc hot plate 10, is convenient for utilize arc hot plate 10 to heat first runner 1 to can guarantee the inside temperature of first runner 1.
Further, arc hot plate 10 outside is equipped with arc heat insulating board 11, second runner 2 passes arc heat insulating board 11 and extends into inside 1 of first runner, be equipped with the cavity between arc heat insulating board 11 and the arc hot plate 10, arc heat insulating board 11 can heat first runner 1 to be favorable to keeping the temperature of 1 inside of first runner, and the cavity between arc heat insulating board 11 and the arc hot plate 10 is favorable to preventing that arc hot plate 10 from receiving the extrusion of 1 and the arc heat insulating board 11 of first runner, thereby is favorable to protecting arc hot plate 10.
Furtherly, two wire casing 15 has all been seted up to heat pipe 3 outer end, heater strip 4 is established inside wire casing 15, is convenient for place heater strip 4 fixed in the outer end of heat pipe 3 to be favorable to preventing that heater strip 4 from receiving the extrusion.
Further, 7 tops of first horizontal pole are equipped with montant 12, montant 12 is established inside second horizontal pole 8 and is extended 8 tops of second horizontal pole, is favorable to preventing that first horizontal pole 7 from droing from 8 insides of second horizontal pole to can fix first horizontal pole 7 inside second horizontal pole 8.
Further, 8 tops of second horizontal pole are equipped with baffle 13, baffle 13 is established in the montant 12 outer end, baffle 13 and montant 12 fixed connection are favorable to preventing montant 12 from droing from moving groove 14 inside, and then are favorable to preventing that first horizontal pole 7 from droing from second horizontal pole 8 inside.
Furthermore, a moving groove 14 is formed in the top of the second cross rod 8, and the vertical rod 12 is arranged inside the moving groove 14, so that the vertical rod 12 can be conveniently moved, and further, the vertical rod 12 can be prevented from affecting the movement of the first cross rod 7.
Further, thermal-insulated pipe 9 and two arc heat insulating boards 11 outer ends are equipped with the runner plate, thermal-insulated pipe 9 and arc heat insulating board 11 all with runner plate fixed connection, are convenient for fix heater strip 4 and arc hot plate 10 inside the runner plate to make things convenient for heater strip 4 to heat second runner 2, still make things convenient for arc hot plate 10 to heat first runner 1.
The implementation scenario is specifically as follows: when a plastic melt enters the first flow channel 1 and the second flow channel 2, because the temperature of the plastic melt is higher, according to the principle of thermal expansion and cold contraction, the first flow channel 1 and the second flow channel 2 will expand when heated, the first flow channel 1 expands to drive the arc-shaped heating plate 10 to move outwards, because a cavity exists between the arc-shaped heating plate 11 and the arc-shaped heating plate 10, the arc-shaped heating plate 10 will not be extruded by the arc-shaped heating plate 11 in the moving process, so the arc-shaped heating plate 11 will not be damaged, thereby the arc-shaped heating plate 11 is effectively protected, meanwhile, the second flow channel 2 expands when heated to drive the heat conduction pipe 3 to move outwards, the heat conduction pipe 3 moves to drive the heating wire 4 to move outwards, the heating wire 4 moves to drive the protective cover 5 to move outwards, then the protective cover 5 moves to drive the fixing plate 6 to move outwards, the fixing plate 6 moves to drive the first cross, first horizontal pole 7 removes and still can drive montant 12 and move to one side along shifting chute 14, montant 12 removes and drives baffle 13 and move to one side, when first horizontal pole 7 one end contacts with 8 inner walls of second horizontal pole, first horizontal pole 7 can stop to continue to remove, at this moment, also can form a cavity between heat pipe 3 and the insulating tube 9, and heater strip 4 just establishes inside this cavity, so heater strip 4 can not receive the extrusion of insulating tube 9 and heat pipe 3, consequently heater strip 4 also can not take place to damage because of receiving the extrusion, thereby the effectual completeness of protecting heater strip 4, this embodiment has specifically solved the problem that the heater is damaged easily by the extrusion among the prior art.
The working principle is as follows:
referring to fig. 1 to 5 of the specification, by placing the heating wire 4 inside the wire slot 15 on the heat conductive pipe 3 and providing the first cross bar 7 and the second cross bar 8 between the heat conductive pipe 3 and the heat insulating pipe 9, a cavity is formed between the heat conductive pipe 3 and the heat insulating pipe 9 by the second cross bar 8, thereby preventing the heating wire 4 from being extruded, and simultaneously installing the arc-shaped heat insulating plate 11 at a certain distance from the outer end of the arc-shaped heat plate 10, thereby also forming a cavity between the arc-shaped heat plate 10 and the arc-shaped heat insulating plate 11, thereby preventing the arc-shaped heat plate 10 from being damaged by being extruded.
Although the invention has been described in detail with respect to the general description and the specific embodiments, it will be apparent to those skilled in the art that modifications and improvements can be made based on the invention. Therefore, such modifications and improvements are intended to be within the scope of the invention as claimed.
Claims (8)
1. The utility model provides a hot runner heating element, includes first runner (1), two second runners (2) and two heater strips (4), its characterized in that: the two second runners (2) are fixedly arranged at the bottom of the first runner (1), the heating wires (4) are arranged in the second runners (2), and the outer ends of the second runners (2) are provided with anti-extrusion mechanisms;
prevent that extrusion mechanism includes two heat pipe (3), establish in second runner (2) outer end heat pipe (3), heat pipe (3) contact with second runner (2), heat pipe (3) are established inside heater strip (4), heater strip (4) winding is in heat pipe (3) outer end, heater strip (4) outer end is equipped with protection casing (5), per two fixed being equipped with fixed plate (6) between protection casing (5), fixed plate (6) are established in heat pipe (3) one side, fixed plate (6) contact with heat pipe (3), fixed plate (6) one side is equipped with first horizontal pole (7), first horizontal pole (7) and fixed plate (6) fixed connection, first horizontal pole (7) outside is equipped with second horizontal pole (8), second horizontal pole (8) one side is equipped with thermal-insulated pipe (9), the heat insulation pipe (9) is fixedly connected with the second cross rod (8).
2. The hot runner heating assembly of claim 1, wherein: first runner (1) bottom is equipped with arc hot plate (10), arc hot plate (10) and first runner (1) fixed connection, two arc hot plate (10) are all passed in second runner (2).
3. The hot runner heating assembly of claim 2, wherein: the novel heating device is characterized in that an arc-shaped heat insulation plate (11) is arranged outside the arc-shaped heating plate (10), the second flow channel (2) penetrates through the arc-shaped heat insulation plate (11) and extends into the first flow channel (1), and a cavity is formed between the arc-shaped heat insulation plate (11) and the arc-shaped heating plate (10).
4. The hot runner heating assembly of claim 1, wherein: two wire casing (15) have all been seted up to heat pipe (3) outer end, heater strip (4) are established inside wire casing (15).
5. The hot runner heating assembly of claim 1, wherein: a vertical rod (12) is arranged at the top of the first cross rod (7), and the vertical rod (12) is arranged inside the second cross rod (8) and extends out of the top of the second cross rod (8).
6. The hot runner heating assembly of claim 5, wherein: baffle (13) are equipped with at second horizontal pole (8) top, establish in montant (12) outer end baffle (13), baffle (13) and montant (12) fixed connection.
7. The hot runner heating assembly of claim 5, wherein: a moving groove (14) is formed in the top of the second cross rod (8), and the vertical rod (12) is arranged inside the moving groove (14).
8. The hot runner heating assembly of claim 1, wherein: the outer ends of the heat insulation pipe (9) and the two arc-shaped heat insulation plates (11) are respectively provided with a runner plate, and the heat insulation pipe (9) and the arc-shaped heat insulation plates (11) are fixedly connected with the runner plates.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020516792.9U CN212288588U (en) | 2020-04-08 | 2020-04-08 | Hot runner heating assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020516792.9U CN212288588U (en) | 2020-04-08 | 2020-04-08 | Hot runner heating assembly |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212288588U true CN212288588U (en) | 2021-01-05 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020516792.9U Active CN212288588U (en) | 2020-04-08 | 2020-04-08 | Hot runner heating assembly |
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| Country | Link |
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| CN (1) | CN212288588U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117483658A (en) * | 2023-11-22 | 2024-02-02 | 菏泽宝振新能源有限公司 | Temperature-control casting mold for casting large wind power hub |
-
2020
- 2020-04-08 CN CN202020516792.9U patent/CN212288588U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117483658A (en) * | 2023-11-22 | 2024-02-02 | 菏泽宝振新能源有限公司 | Temperature-control casting mold for casting large wind power hub |
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