CN210999798U - High-efficiency cooling hot nozzle - Google Patents
High-efficiency cooling hot nozzle Download PDFInfo
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- CN210999798U CN210999798U CN201921226091.5U CN201921226091U CN210999798U CN 210999798 U CN210999798 U CN 210999798U CN 201921226091 U CN201921226091 U CN 201921226091U CN 210999798 U CN210999798 U CN 210999798U
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Abstract
A high-efficiency cooling hot nozzle comprises a die body, a supercooling sleeve and a hot nozzle. The mold body is provided with a cooling water path, an injection molding hole and a containing hole, the supercooling sleeve comprises a fastening flange, a sealing shaft and a water-proof shaft, the water-proof shaft is provided with an arc-shaped transition part, the arc-shaped transition part and the containing hole enclose a bottom cavity, the water-proof shaft is provided with a plurality of water passing parts, the water passing part containing holes enclose a plurality of water storage cavities, and the plurality of water storage cavities are all communicated with the bottom cavity; the hot nozzle is embedded in the supercooling sleeve. The supercooling sleeve covers the hot nozzle, the heat dissipation area of the hot nozzle is increased, the water-insulating shaft and the accommodating hole are matched to enclose a plurality of communicated water storage cavities, the detention time at the position of the supercooling sleeve is prolonged, and the utilization rate of cooling water is improved; each water storage cavity surrounds the outer wall of the supercooling sleeve, heat on the hot nozzle is absorbed at multiple angles, the efficiency of heat absorption of cooling water is further improved, the hot nozzle is rapidly cooled, the temperature of the hot nozzle is regulated and controlled when injection molding is achieved, and then the injection molding quality of the television shell is improved.
Description
Technical Field
The utility model relates to a TV shell processing field especially relates to a high-efficient cooling hot nozzle.
Background
The television shell is generally made of plastic, and compared with a common injection molding part, the television shell has a larger volume and correspondingly larger requirements on an injection mold, and plastic molds are provided with glue feeding devices, so that the temperature of the glue feeding devices is very high, and particularly in hot runner pouring devices. Because of high temperature, the temperature of the hot nozzle can become very high, which leads to local high temperature at the pouring gate part, because of uneven temperature, defects are easily generated in the rubber material forming process, such as local shrinkage or stress concentration, and the temperature of the hot nozzle is too high, which leads to the temperature rise of the whole die, delays the cooling time of the plastic, leads to the plastic not being crystallized and formed at the optimal temperature, and leads to the poor mechanical property of the cooled shell.
Therefore, how to regulate and control the temperature of the sprue part of the hot nozzle in the plastic mold and avoid overhigh integral temperature of the mold in the injection molding process is the key for improving the injection molding quality of the shell.
SUMMERY OF THE UTILITY MODEL
The utility model aims at overcoming the weak point among the prior art, providing a high-efficient cooling hot mouth, improving the area of contact of cooling water and hot mouth, realize rapid cooling to hot mouth, to the regulation and control of hot mouth temperature when realizing moulding plastics, and then improve the quality of moulding plastics of TV set shell.
The purpose of the utility model is realized through the following technical scheme:
a high efficiency cooling hot tip comprising: the mold comprises a mold body, a supercooling sleeve and a hot nozzle;
the mould body is provided with a cooling water path, an injection molding hole and a containing hole, the injection molding hole is communicated with the containing hole, the cooling water path is communicated with the containing hole, and the cooling water path is positioned at one end of the containing hole close to the injection molding hole;
the supercooling sleeve comprises a fastening flange, a sealing shaft and a water-resisting shaft, the fastening flange is mounted on the mold body, the sealing shaft and the water-resisting shaft are sequentially arranged on the fastening flange, the sealing shaft is attached to the inner wall of the accommodating hole, and the water-resisting shaft is arranged towards the injection molding hole;
an arc-shaped transition part is arranged at one end of the water-proof shaft close to the injection molding hole, and the arc-shaped transition part and the hole wall of the accommodating hole jointly form a bottom cavity;
a plurality of water passing parts are arranged on the side wall of the water insulation shaft, a plurality of water storage cavities are respectively defined by the water passing parts and the hole wall of the accommodating hole, and the water storage cavities are communicated with the bottom cavity;
the hot nozzle is embedded in the supercooling sleeve and faces the injection molding hole.
In one embodiment, the number of the water passing parts is 3.
In one embodiment, the number of the water passing parts is 6.
In one embodiment, the water passing part comprises a first step surface and a second step surface, and the distance from the first step surface to the hole wall of the receiving hole is smaller than the distance from the second step surface to the hole wall of the receiving hole.
In one embodiment, the water passing parts are distributed in a circumferential array by taking the axis of the water isolating shaft as the center.
In one embodiment, the fastening flange is provided with a positioning hole.
In one embodiment, the high-efficiency cooling hot nozzle further comprises a sealing assembly, the sealing assembly comprises a first sealing ring and a second sealing ring, the first sealing ring and the second sealing ring are respectively arranged at two ends of the water-proof shaft, and the first sealing ring and the second sealing ring are abutted against the hole wall of the accommodating hole.
In one embodiment, a shaft shoulder is arranged at the position where the water-proof shaft is connected with the sealing shaft, and the second sealing ring is mounted on the shaft shoulder.
In one embodiment, the shaft shoulder is provided with a limiting groove, and the second sealing ring is accommodated in the limiting groove.
In one embodiment, the groove depth of the limiting groove is smaller than the thickness of the second sealing ring.
Compared with the prior art, the utility model discloses at least, following advantage has:
1. the hot nozzle is embedded in the supercooling sleeve, and the supercooling sleeve covers the hot nozzle, so that the heat dissipation area of the hot nozzle is increased, and the heat dissipation efficiency of the hot nozzle is improved;
2. the water-isolating shaft and the accommodating hole are matched to enclose a plurality of communicated water storage cavities, so that the detention time at the position of the supercooling sleeve is prolonged, and the utilization rate of cooling water is improved;
3. each water storage cavity surrounds the outer wall of the supercooling sleeve, heat on the hot nozzle is absorbed at multiple angles, the efficiency of heat absorption of cooling water is further improved, the hot nozzle is rapidly cooled, the temperature of the hot nozzle is regulated and controlled when injection molding is achieved, and then the injection molding quality of the television shell is improved.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention, and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.
Fig. 1 is a schematic view of an internal structure of a high-efficiency cooling hot nozzle according to an embodiment of the present invention;
fig. 2 is a schematic structural view of a supercooling sleeve according to an embodiment of the present invention;
fig. 3 is a schematic diagram of the distribution of the water storage chambers in an embodiment of the present invention.
Detailed Description
In order to facilitate understanding of the present invention, the present invention will be described more fully hereinafter with reference to the accompanying drawings. The preferred embodiments of the present invention are shown in the drawings. The invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.
It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "left," "right," and the like as used herein are for illustrative purposes only and do not represent the only embodiments.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used herein in the description of the invention is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.
Referring to fig. 1, a high efficiency cooling hot nozzle 10 includes: a mold body 100, a supercooling sleeve 200, and a hot nozzle 300. Hot mouth 300 is used for to the inside injecting glue of mould body 100, and supercooling sleeve 200 sets up the temperature of supplementary regulation and control hot mouth 300 in mould body 100, improves the area of contact of cooling water and hot mouth through supercooling sleeve 200, realizes rapid cooling to hot mouth 300 to the regulation and control to hot mouth temperature when moulding plastics, and then improve the quality of moulding plastics of TV set shell.
Referring to fig. 1, a cooling water channel 110, an injection molding hole 120 and a receiving hole are formed in a mold body 100, the injection molding hole 120 is communicated with the receiving hole, an axial line of the injection molding hole 120 coincides with an axial line of the receiving hole, the cooling water channel 110 is communicated with the receiving hole, and the cooling water channel 110 is located at one end of the receiving hole close to the injection molding hole 120; the injection hole 120 is used for being abutted with the hot nozzle 300, and the liquid plastic flowing out from the hot nozzle 300 flows into the cavity of the mold body 100 through the injection hole 120. The cooling water path 110 is communicated with an external water source, and is used for guiding cooling water at the water source to enter the receiving hole to absorb heat on the hot nozzle 300, the cooling water after absorbing heat is driven by water pressure to leave the mold body 100 along the cooling water path 110, and new cooling water continuously flows into the receiving hole to take away heat on the hot nozzle 300, so as to continuously perform heat dissipation operation on the hot nozzle 300.
Referring to fig. 2, the supercooling sleeve 200 includes a fastening flange 210, a sealing shaft 220 and a water isolating shaft 230, the fastening flange 210 is installed on the mold body 100, the sealing shaft 220 and the water isolating shaft 230 are sequentially disposed on the fastening flange 210, the sealing shaft 220 is attached to the inner wall of the receiving hole, that is, there is no space between the sealing shaft 220 and the hole wall of the receiving hole, so as to form a seal and prevent the cooling water from overflowing along the sealing shaft 220. The water-blocking shaft 230 is disposed toward the injection hole 120, that is, the water-blocking shaft 230 is located at a side of the receiving hole close to the injection hole 120, that is, the water-blocking shaft 230 is located in a water injection range of the cooling water path 110. The hot tip 300 is embedded in the supercooling sleeve 200, and the hot tip 300 is disposed toward the injection hole 120. The hot melted plastic flows out of the hot nozzle 300, passes through the injection hole 120, and enters the cavity of the mold body 100.
Referring to fig. 1 and 3, an arc-shaped transition portion 231 is disposed at an end of the water-proof shaft 230 close to the injection hole 120, and the arc-shaped transition portion 231 and a hole wall of the receiving hole jointly enclose a bottom cavity 231 a; the lateral wall of the water-proof shaft 230 is provided with a plurality of water passing parts 232, the water passing parts 232 and the hole wall of the accommodating hole enclose a plurality of water storage cavities 232a, the water storage cavities 232a are mutually independent, as shown in fig. 3, and the water storage cavities 232a are communicated with the bottom cavity 231a, when the cooling water path 110 is filled with water, the cooling water cannot directly enter one water storage cavity 232a into the other water storage cavity 232a, but enters the bottom cavity 231a first time, and is shunted to the water storage cavities 232a by the bottom cavity 231 a.
Specifically, referring to fig. 1 and 3, the water inlet of the cooling water path 110 faces one of the water storage cavities 232a, the water outlet of the cooling water path 110 faces the other water storage cavity 232a, when the cooling water path 110 is filled with water, the cooling water enters the water storage cavity 232a communicated with the water inlet of the cooling water path 110 from the water inlet of the cooling water path 110, and flows into the bottom cavity 231a under the action of gravity, and since each water storage cavity 232a is communicated with the bottom cavity 231a, the cooling water in the bottom cavity 231a is divided into the water storage cavities 232a under the action of water pressure, after the water storage cavities 232a are filled with the cooling water, the cooling water path 110 continues to be filled with water, the cooling water originally located in the water storage cavities 232a flows out from the water outlet of the cooling water path 110 under the action of water pressure, the water source continuously provides the cooling water to the mold body 100, and the cooling water carries heat on the hot nozzle 300 when flowing through the, the regulation and control of heat quantity are realized.
Referring to fig. 1 and fig. 3, it should be noted that, the water storage cavities 232a are independent from each other, the cooling water needs to enter the water storage cavity 232a connected to the water inlet of the cooling water path 110, flow into the bottom cavity 231a from the water storage cavity 232a, and finally flow into the rest of the water storage cavities 232a from the bottom cavity 231a, and the cooling water after absorbing heat leaves from the water storage cavity 232a connected to the water outlet of the cooling water path 110, so as to extend the distance between the water inlet and the water outlet of the cooling water path 110, thereby increasing the residence time of the cooling water at the position of the supercooling sleeve 200, allowing the cooling water to have enough time to absorb the heat on the hot nozzle 300, and improving the cooling efficiency.
Further, referring to fig. 2, the water passing portion 232 includes a first step surface 232b and a second step surface 232c, and a distance from the first step surface 232b to the wall of the receiving hole is smaller than a distance from the second step surface 232c to the wall of the receiving hole. That is, the first step surface 232b and the second step surface 232c form a continuous step surface, and the water storage cavity 232a surrounded by the water passing portion 232 and the receiving hole has two sections of water storage portions with different volumes, and the volume of the water storage cavity 232a at the position of the first step surface 232b is larger than that of the water storage cavity 232a at the position of the second step surface 232 c.
Further, referring to fig. 3, the water passing portions 232 are distributed in a circumferential array around the axis of the water-stop shaft 230, that is, the water storage cavity 232a defined by the water passing portions 232 and the receiving holes is disposed around the hot nozzle 300 to absorb heat on the hot nozzle 300 in multiple directions, thereby improving the cooling effect.
Further, referring to fig. 2, in order to improve the structural stability of the high-efficiency cooling hot nozzle 10, the fastening flange 210 is provided with a positioning hole 211.
Further, referring to fig. 1 and 2, in order to improve the sealing performance of the supercooling sleeve 200, the high-efficiency cooling hot nozzle 10 further includes a sealing assembly 400, the sealing assembly 400 includes a first sealing ring 410 and a second sealing ring 420, the first sealing ring 410 and the second sealing ring 420 are respectively disposed on two ends of the water-proof shaft 230, and both the first sealing ring 410 and the second sealing ring 420 are abutted against the wall of the receiving hole. A shaft shoulder 233 is arranged at the connecting position of the water-proof shaft 230 and the sealing shaft 220, the second sealing ring 420 is mounted on the shaft shoulder 233, a limiting groove 233a is formed in the shaft shoulder 233, the second sealing ring 420 is accommodated in the limiting groove 233a, and the depth of the limiting groove 233a is smaller than the thickness of the second sealing ring 420.
Compared with the prior art, the utility model discloses at least, following advantage has:
1. the hot nozzle 300 is embedded in the supercooling sleeve 200, the supercooling sleeve 200 covers the hot nozzle 300, the heat dissipation area of the hot nozzle 300 is increased, and the heat dissipation efficiency of the hot nozzle 300 is improved;
2. the water-isolating shaft 230 and the accommodating holes are matched to enclose a plurality of communicated water storage cavities 232a, so that the detention time of the position of the supercooling sleeve 200 is prolonged, and the utilization rate of cooling water is improved;
3. each water storage cavity 232a surrounds the outer wall setting of subcooling sleeve 200, and the heat on the hot mouth 300 is absorbed to the multi-angle, further promotes the cooling water and absorbs thermal efficiency, realizes rapid cooling to hot mouth 300, to the regulation and control of hot mouth 300 temperature when realizing moulding plastics, and then improves the quality of moulding plastics of TV set shell.
The above-mentioned embodiments only represent some embodiments of the present invention, and the description thereof is specific and detailed, but not to be construed as limiting the scope of the present invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several variations and modifications can be made, which are within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the appended claims.
Claims (10)
1. A high efficiency cooling hot tip, comprising:
the mould comprises a mould body, wherein a cooling water path, an injection hole and a receiving hole are formed in the mould body, the injection hole is communicated with the receiving hole, the cooling water path is communicated with the receiving hole, and the cooling water path is positioned at one end, close to the injection hole, of the receiving hole;
the supercooling sleeve comprises a fastening flange, a sealing shaft and a water-proof shaft, the fastening flange is mounted on the mold body, the sealing shaft and the water-proof shaft are sequentially arranged on the fastening flange, the sealing shaft is attached to the inner wall of the accommodating hole, and the water-proof shaft is arranged towards the injection molding hole;
an arc-shaped transition part is arranged at one end of the water-proof shaft close to the injection molding hole, and the arc-shaped transition part and the hole wall of the accommodating hole jointly form a bottom cavity;
a plurality of water passing parts are arranged on the side wall of the water insulation shaft, a plurality of water storage cavities are respectively defined by the water passing parts and the hole wall of the accommodating hole, and the water storage cavities are communicated with the bottom cavity;
the hot nozzle is embedded in the supercooling sleeve and faces the injection molding hole.
2. The high-efficiency cooling hot nozzle according to claim 1, wherein the number of the water passing part is 3.
3. The high-efficiency cooling hot nozzle according to claim 1, wherein the number of the water passing part is 6.
4. The efficient cooling hot nozzle according to claim 1, wherein the water passing portion comprises a first stepped surface and a second stepped surface, and a distance from the first stepped surface to the wall of the receiving hole is smaller than a distance from the second stepped surface to the wall of the receiving hole.
5. The efficient cooling hot nozzle according to claim 1, wherein a plurality of the water passing portions are distributed in a circumferential array around an axis line of the water insulating shaft.
6. The efficient cooling hot nozzle as claimed in claim 1, wherein the fastening flange is provided with positioning holes.
7. The efficient cooling hot nozzle according to claim 1, further comprising a sealing assembly, wherein the sealing assembly comprises a first sealing ring and a second sealing ring, the first sealing ring and the second sealing ring are respectively disposed at two ends of the water-proof shaft, and the first sealing ring and the second sealing ring are both abutted against the wall of the accommodating hole.
8. The efficient cooling hot nozzle as claimed in claim 7, wherein a shoulder is provided at a position where the water-proof shaft is connected to the sealing shaft, and the second sealing ring is mounted on the shoulder.
9. The efficient cooling hot nozzle as claimed in claim 8, wherein the shaft shoulder is formed with a limiting groove, and the second sealing ring is received in the limiting groove.
10. The efficient cooling hot nozzle of claim 9, wherein the groove depth of the limiting groove is smaller than the thickness of the second sealing ring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921226091.5U CN210999798U (en) | 2019-07-31 | 2019-07-31 | High-efficiency cooling hot nozzle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921226091.5U CN210999798U (en) | 2019-07-31 | 2019-07-31 | High-efficiency cooling hot nozzle |
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| CN210999798U true CN210999798U (en) | 2020-07-14 |
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| CN201921226091.5U Active CN210999798U (en) | 2019-07-31 | 2019-07-31 | High-efficiency cooling hot nozzle |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112454823A (en) * | 2020-10-23 | 2021-03-09 | 艾默斯智能科技(深圳)有限公司 | Thermostatic device is chewed to heat |
| CN115570760A (en) * | 2022-11-03 | 2023-01-06 | 艾默斯智能科技(深圳)有限公司 | Hot nozzle cooling cylinder and injection mold |
-
2019
- 2019-07-31 CN CN201921226091.5U patent/CN210999798U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112454823A (en) * | 2020-10-23 | 2021-03-09 | 艾默斯智能科技(深圳)有限公司 | Thermostatic device is chewed to heat |
| CN115570760A (en) * | 2022-11-03 | 2023-01-06 | 艾默斯智能科技(深圳)有限公司 | Hot nozzle cooling cylinder and injection mold |
| WO2024093342A1 (en) * | 2022-11-03 | 2024-05-10 | 艾默斯智能科技(深圳)有限公司 | Hot-nozzle cooling cylinder and injection mold |
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