CN216760656U - Open type hot nozzle structure and mold - Google Patents
Open type hot nozzle structure and mold Download PDFInfo
- Publication number
- CN216760656U CN216760656U CN202123455584.6U CN202123455584U CN216760656U CN 216760656 U CN216760656 U CN 216760656U CN 202123455584 U CN202123455584 U CN 202123455584U CN 216760656 U CN216760656 U CN 216760656U
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- hot nozzle
- hot
- main body
- flow guide
- open
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- 238000009413 insulation Methods 0.000 claims abstract description 11
- 239000003292 glue Substances 0.000 claims abstract description 6
- 230000000149 penetrating effect Effects 0.000 claims abstract description 4
- 238000010438 heat treatment Methods 0.000 claims description 11
- 230000002093 peripheral effect Effects 0.000 claims description 9
- 238000004804 winding Methods 0.000 claims description 6
- 108091092889 HOTTIP Proteins 0.000 claims description 2
- 238000005491 wire drawing Methods 0.000 abstract description 4
- 239000000463 material Substances 0.000 abstract description 3
- 238000000034 method Methods 0.000 abstract description 2
- 238000012546 transfer Methods 0.000 abstract description 2
- 238000009434 installation Methods 0.000 description 5
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
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Abstract
The utility model provides an open type hot nozzle structure and a mold, wherein the open type hot nozzle structure comprises: the hot nozzle body comprises a vertically penetrating flow guide sleeve hole; the flow guide sleeve is arranged in the flow guide sleeve hole, a flow channel hole is arranged in the flow guide sleeve, and the tail end of the flow channel hole is provided with a glue outlet hole; and a V-shaped heat insulation groove is arranged at the bottom of the open type hot nozzle structure. The open type hot nozzle structure adopts a split type structure, is convenient to process, saves materials and is convenient to assemble and replace. And set up the heat transfer that V type heat-insulating groove effectively stopped hot mouth to the product on, effectively prevent product bad phenomena such as product wire drawing from appearing.
Description
Technical Field
The utility model relates to the technical field of hot runners, in particular to an open type hot nozzle structure and a mold.
Background
The hot nozzle is an important part of the mould, which is mainly used for injecting the glue in the molten state into the mould cavity. Among the many types of hot runner systems, the open single hot runner system is used in many small product injection molds with a simple structure due to its simple structure and low price. The integrally processed open type hot nozzle in the prior art has the disadvantages of high processing difficulty, high maintenance difficulty and high cost, and is not beneficial to improving the production benefit.
SUMMERY OF THE UTILITY MODEL
The utility model mainly aims to provide an open type hot nozzle structure and a mold, and aims to effectively solve the problem that insulation breakdown is easy to occur between a pollution discharge plug of the existing mold and a mold shell.
In order to achieve the purpose, the technical scheme of the utility model comprises the following steps:
the present invention provides an open hot nozzle structure, comprising: the hot nozzle body comprises a vertically penetrating flow guide sleeve hole;
the flow guide sleeve is arranged in the flow guide sleeve hole, a flow channel hole is arranged in the flow guide sleeve, and the tail end of the flow channel hole is provided with a glue outlet hole;
and a V-shaped heat insulation groove is arranged at the bottom of the open type hot nozzle structure.
The open type hot nozzle structure adopts a split type structure, is convenient to process, saves materials and is convenient to assemble and replace. And set up the heat transfer that V type heat-insulating groove effectively stopped hot mouth to the product on, effectively prevent product bad phenomena such as product wire drawing from appearing.
In the open type hot nozzle structure, a first chamfer is arranged on the inner side edge of the lower end of the flow passage hole;
a second chamfer is arranged on the outer side edge of the lower end of the flow guide sleeve;
the first chamfer and the second chamfer are butted to form the V-shaped heat insulation groove.
The outer peripheral surface of the hot nozzle main body is provided with a winding type groove, and a heating ring is arranged in the winding type groove. The heating ring is arranged, so that the heat conducting performance of the hot nozzle is improved.
As a preferable scheme, the hot nozzle main body is provided with a main body part and a hot nozzle hanging table arranged at the top end of the main body part, and the lower end surface of the hot nozzle hanging table is provided with an annular groove; the outer peripheral surface of the main body part forms the inner side wall of the annular groove;
the hot nozzle hanging table is characterized in that a threading hole is formed in the side face of the hot nozzle hanging table and communicated with the annular groove. The hot nozzle hanging table is used for being matched with a step hole in a hot runner middle plate so as to fix the hot nozzle main body. And the electrified lead of the heating ring is connected with an external circuit through the annular groove and the threading hole.
Furthermore, the hot nozzle main body also comprises a positioning part which is connected to the lower end of the main body part; the peripheral surface of the positioning part is attached to the positioning hole of the hot nozzle sleeve. The cooperation of the positioning portion and the hot nozzle sleeve can limit the movement of the hot nozzle main body in the radial direction.
Furthermore, the top of the flow passage hole is provided with a step for matching with a flow guide hanging table on the flow guide sleeve. The flow guide sleeve is matched and fixed with the step in the flow passage hole through the flow guide hanging table on the hot nozzle main body.
The upper end face of the flow guide sleeve is flush with the upper end face of the hot nozzle main body, and the upper end face of the flow guide sleeve is in direct contact with the flow dividing passage plate. The diversion sleeve is directly contacted with the diversion channel plate, so that the diversion sleeve can be fixed, the heat of the diversion channel plate can be directly transferred to the diversion sleeve, and the heating performance of the diversion sleeve is optimized.
As a preferable scheme, the open type hot nozzle structure further comprises a gasket, and the gasket is arranged on the lower end face of the hot nozzle hanging table. According to the actual size of the mold, gaskets with different thicknesses can be replaced to adjust the distance between the open type hot nozzle structure and the product.
The utility model also provides a mould, which comprises the open type hot nozzle structure, a hot runner middle plate, a flow dividing channel plate and a hot nozzle sleeve;
the hot runner middle plate is provided with a plurality of mounting through holes, and the open type hot nozzle structure is arranged in the mounting through holes; the hot nozzle sleeve is sleeved on the part of the open hot nozzle structure exposed out of the hot runner middle plate;
the sub-runner plate is provided with a plurality of runner outlets, and the hot nozzle main body is connected below the sub-runner plate and communicated with the runner outlets.
A gap is formed between the lower end face of the hot nozzle main body and the hot nozzle sleeve, so that the phenomenon that the hot nozzle sleeve is too high in temperature and a product cannot be cooled and solidified to generate a wire drawing phenomenon due to the fact that heat on the hot nozzle main body is directly conducted to the hot nozzle sleeve is avoided.
For a better understanding and practice, the utility model is described in detail below with reference to the accompanying drawings.
Drawings
The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the utility model and together with the description serve to explain the utility model without limiting the utility model. In the drawings:
FIG. 1 is a schematic view of the installation structure of the open hot nozzle structure of the present invention in a mold;
fig. 2 is a cross-sectional view of the open hot tip structure of the present invention.
Description of the reference numerals:
1. open hot mouth structure, 2, hot runner medium plate, 3, flow distribution channel plate, 4, hot mouth sleeve, 11, hot mouth main part, 12, flow guide sleeve, 13, V-shaped heat insulation groove, 14, heating ring, 15, gasket, 21, mounting through hole, 31, runner outlet, 111, runner hole, 112, first chamfer, 113, main part, 114, hot mouth hanging table, 115, annular groove, 116, threading hole, 117, positioning part, 121, hot runner, 122, glue outlet hole, 123, second chamfer, 124, flow guide hanging table.
Detailed Description
In order to better illustrate the utility model, the utility model is described in further detail below with reference to the accompanying drawings.
As shown in fig. 1, the installation structure of the open hot nozzle structure 1 of the present invention on a mold, the mold comprises a hot runner middle plate 2, a runner plate 3 and a hot nozzle sleeve 4. A plurality of installation through holes 21 are formed in the hot runner middle plate 2, and the open type hot nozzle structure 1 is arranged in the installation through holes 21; the hot nozzle sleeve 4 is sleeved on the part of the open hot nozzle structure 1 exposed out of the hot runner middle plate 2; the flow dividing plate 3 has a plurality of flow channel outlets 31, and the hot nozzle body 11 is connected below the flow dividing plate 3 and is communicated with the flow channel outlets 31.
The open hot nozzle structure includes: a hot nozzle body 11 including a flow passage hole 111 vertically penetrating therethrough;
the flow guide sleeve 12 is arranged in the flow passage hole 111, a hot runner 121 is arranged in the flow guide sleeve 12, and a glue outlet hole 122 is formed at the tail end of the hot runner 121;
as shown in fig. 2, the hot nozzle main body 11 has a main body 113, and a hot nozzle hanging platform 114 and a positioning portion 117 which are arranged at two ends of the main body 113, wherein the hot nozzle hanging platform 114 is used for matching with a step in the installation through hole 21 of the hot runner middle plate 2; the flow guide sleeve 12 is provided with a flow guide hanging table 124, and the flow guide hanging table 124 is used for matching with the step of the flow passage hole 111 of the hot nozzle main body 11. And the upper ends of the hot nozzle hanging platform 114 and the flow guide hanging platform 124 are flush and are in direct contact with the runner plate 3.
The diversion sleeve 12 is directly contacted with the diversion plate 3, so that the diversion sleeve 12 can be fixed, the heat of the diversion plate 3 can be directly transferred to the diversion sleeve 12, and the heating performance of the diversion sleeve 12 is optimized.
Preferably, a gap is formed between the inner wall of the mounting through hole 21 and the hot nozzle main body 11, so that heat of the hot nozzle main body 11 is prevented from being dissipated to the hot runner middle plate 2.
The positioning part 117 of the hot nozzle main body 11 is connected to the lower end of the main body part 113; the outer peripheral surface of the positioning part 117 is attached to the positioning hole of the hot nozzle sleeve 4. The engagement of the positioning portion 117 with the hot nozzle cover 4 can restrict the movement of the hot nozzle main body 11 in the radial direction.
In order to adapt to molds with different sizes, the open type hot nozzle structure 1 further comprises a gasket 15, and the gasket 15 is arranged on the lower end face of the hot nozzle hanging table 114. According to the actual size of the mold, the gasket 15 of different thickness can be replaced to adjust the distance between the open hot nozzle structure 1 and the product.
A gap is formed between the lower end surface of the hot nozzle main body 11 and the hot nozzle sleeve 4, so that heat on the hot nozzle main body 11 is prevented from being transferred to the hot nozzle sleeve 4. On the basis, a first chamfer 112 is arranged on the inner side edge of the lower end of the flow passage hole 111; a second chamfer 123 is arranged on the outer side edge of the lower end of the guide sleeve 12; the first chamfer 112 and the second chamfer 123 are butted to form a V-shaped heat insulation groove 13. The V-shaped heat insulation groove 13 is arranged to further enlarge the distance between the open type hot nozzle structure 1 and the hot nozzle sleeve 4, and heat insulation is facilitated.
The outer peripheral surface of the hot nozzle main body 11 is provided with a winding type groove, and a heating ring 14 is arranged in the winding type groove. The heating ring 14 is arranged, so that the heat conducting performance of the hot nozzle is improved.
The lower end surface of the hot nozzle hanging table 114 is provided with an annular groove 115; the outer peripheral surface of the body portion forms the inner side wall of the annular groove 115; the side surface of the hot nozzle hanging table is provided with a threading hole 116, and the threading hole 116 is communicated with the annular groove 115. And the electrified lead of the heating ring is connected with an external circuit through the annular groove 115 and the threading hole 116.
In conclusion, the open hot nozzle structure 1 of the present invention obtains good thermal conductivity under the combined action of the heating ring 14 and the runner plate 3, and ensures that the materials are kept in a molten state in the hot runner 121. In addition, the open type hot nozzle structure 1 also has good heat insulation performance, heat is effectively prevented from being transferred to the hot nozzle sleeve 4, and poor products such as wire drawing and the like are effectively avoided.
In the description of the present invention, it is to be understood that the terms "vertical", "horizontal", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc., indicate orientations or positional relationships based on those shown in the drawings, and are used only for convenience in describing the present invention and for simplicity in description, and do not indicate or imply that the device or element so referred to must include a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be considered as limiting the scope of the present invention.
If the terms "first," "second," etc. are used herein to define parts, those skilled in the art will recognize that: the use of "first" and "second" is merely for convenience in describing the utility model and to simplify the description, and unless otherwise stated the above words are not intended to have a special meaning.
The present invention is not limited to the above-described embodiments, and various modifications and variations of the present invention are intended to be included within the scope of the claims and the equivalent technology of the present invention if they do not depart from the spirit and scope of the present invention.
Claims (10)
1. An open hot tip structure, comprising:
the hot nozzle body comprises a vertically penetrating flow guide sleeve hole;
the flow guide sleeve is arranged in the flow guide sleeve hole, a flow channel hole is arranged in the flow guide sleeve, and the tail end of the flow channel hole is provided with a glue outlet hole;
and a V-shaped heat insulation groove is arranged at the bottom of the open type hot nozzle structure.
2. The open hot mouth structure according to claim 1, wherein:
a first chamfer is arranged on the inner side edge of the lower end of the flow guide sleeve hole;
a second chamfer is arranged on the outer side edge of the lower end of the flow guide sleeve;
the first chamfer and the second chamfer are butted to form the V-shaped heat insulation groove.
3. The open hot mouth structure according to claim 1, wherein:
the outer peripheral surface of the hot nozzle main body is provided with a winding type groove, and a heating ring is arranged in the winding type groove.
4. The open hot mouth structure according to claim 3, wherein:
the hot nozzle main body is provided with a main body part and a hot nozzle hanging table arranged at the top end of the main body part, and an annular groove is formed in the lower end face of the hot nozzle hanging table; the outer peripheral surface of the main body part forms the inner side wall of the annular groove; the hot nozzle hanging table is characterized in that a threading hole is formed in the side face of the hot nozzle hanging table and communicated with the annular groove.
5. The open hot mouth structure according to claim 4, wherein:
the hot nozzle main body also comprises a positioning part which is connected to the lower end of the main body part;
the peripheral surface of the positioning part is attached to the positioning hole of the hot nozzle sleeve.
6. The open hot mouth structure according to claim 1, wherein:
the top of the diversion sleeve hole is provided with a step for matching with a diversion hanging table on the diversion sleeve.
7. The open hot nozzle structure of claim 6, wherein:
the upper end face of the flow guide sleeve is flush with the upper end face of the hot nozzle main body, and the upper end face of the flow guide sleeve is in direct contact with the flow dividing passage plate.
8. The open hot mouth structure according to claim 4, wherein:
the open type hot nozzle structure further comprises a gasket, and the gasket is arranged on the lower end face of the hot nozzle hanging table.
9. A mold comprising the open hot nozzle structure of any of claims 1-8;
the mould also comprises a hot runner middle plate, a shunt plate and a hot nozzle sleeve;
the hot runner middle plate is provided with a plurality of mounting through holes, and the open type hot nozzle structure is arranged in the mounting through holes; the hot nozzle sleeve is sleeved on the part of the open hot nozzle structure exposed out of the hot runner middle plate;
the sub-runner plate is provided with a plurality of runner outlets, and the hot nozzle main body is connected below the sub-runner plate and communicated with the runner outlets.
10. The mold of claim 9, wherein:
a gap is formed between the lower end face of the hot nozzle main body and the hot nozzle sleeve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123455584.6U CN216760656U (en) | 2021-12-31 | 2021-12-31 | Open type hot nozzle structure and mold |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123455584.6U CN216760656U (en) | 2021-12-31 | 2021-12-31 | Open type hot nozzle structure and mold |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216760656U true CN216760656U (en) | 2022-06-17 |
Family
ID=81976260
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202123455584.6U Active CN216760656U (en) | 2021-12-31 | 2021-12-31 | Open type hot nozzle structure and mold |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216760656U (en) |
-
2021
- 2021-12-31 CN CN202123455584.6U patent/CN216760656U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20240115 Address after: 528300 Shunde District Daliang Street Office, Foshan City, Guangdong Province, 12 Shunchang Road, Wusha Residential Committee Patentee after: GUANGDONG YIZUMI PRECISION INJECTION TECHNOLOGY Co.,Ltd. Address before: 528300 No.1, Shunchang Road, Wusha neighborhood committee, Daliang sub district office, Shunde District, Foshan City, Guangdong Province Patentee before: GUANGDONG YIZUMI HIGH SPEED PACKAGING SYSTEM Co.,Ltd. |