CN217670811U - Titanium alloy heat insulation cap is used for needle hot runner mould - Google Patents
Titanium alloy heat insulation cap is used for needle hot runner mould Download PDFInfo
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- CN217670811U CN217670811U CN202123366334.5U CN202123366334U CN217670811U CN 217670811 U CN217670811 U CN 217670811U CN 202123366334 U CN202123366334 U CN 202123366334U CN 217670811 U CN217670811 U CN 217670811U
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- hot runner
- needle
- heat insulation
- titanium alloy
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Abstract
The utility model discloses a titanium alloy heat insulating cap is used for needle hot runner mould, it includes that hot runner main part, hot runner needle, heat insulating sheet and hot runner press the cover, be provided with the hot runner in the hot runner main part, the hot runner is followed the length direction of hot runner main part arranges, hot runner needle wears to establish in the hot runner, just hot runner needle can stretch out the hot runner, the heat insulating sheet cover is established on the hot runner needle, the heat insulating sheet has first inclined plane, first inclined plane with hot runner needle's contained angle is the obtuse angle, hot runner press the cover to establish in the hot runner main part. The utility model discloses a with the contained angle increase between heat shield and the hot runner needle, it can solve the hot runner needle leakproofness poor, leads to moulding plastics bad problem.
Description
Technical Field
The utility model relates to a hot runner mold especially relates to a titanium alloy heat insulating cap is used for needle hot runner mold.
Background
The hot runner mold is a plastic injection molding mold commonly used at present, in the hot runner mold, the hot runner mold is used in injection molding, particularly in multi-cavity molds for producing small-sized plastic parts in large scale, a valve needle device is usually arranged on a discharge nozzle, through the device, not only can glue leakage be effectively controlled and product quality be ensured, but also heat loss at the hot nozzle caused by glue adhesion is avoided, the trouble of cleaning the hot nozzle is also reduced for secondary injection molding, and the production efficiency is improved, so the valve needle device is used in the hot nozzle of the hot runner mold, and becomes an indispensable component in a plurality of mold processing technologies.
At present, the old valve needle hot runner mold comprises a structure as shown in fig. 1, wherein the structure comprises a hot runner main body 1, a hot runner valve needle 2 and a heat insulation sheet 3, the hot runner valve needle 2 is connected on the hot runner main body 1 in a sliding manner, the heat insulation sheet 3 is connected on the hot runner main body 1, however, when the hot runner valve needle goes in and out, a gap exists between the hot runner valve needle and the heat insulation sheet, and the danger of glue leakage can be caused, so that the injection molding quality of a product is influenced.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a: in order to solve the problems of poor sealing performance of a hot runner valve needle and poor injection molding, the provided titanium alloy heat insulation cap is used for a valve needle hot runner mold.
In order to realize the above object, the utility model provides a titanium alloy heat-insulating cap is used for needle hot runner mould, and it includes that hot runner main part, hot runner needle, heat insulating sheet and hot runner press the cover, be provided with the hot runner in the hot runner main part, the hot runner is followed the length direction of hot runner main part arranges, the hot runner needle is worn to establish in the hot runner, just the hot runner needle can stretch out the hot runner, the heat insulating sheet cover is established on the hot runner needle, the heat insulating sheet has first inclined plane, first inclined plane with the contained angle of hot runner needle is the obtuse angle, the hot runner is pressed the ways and is established in the hot runner main part.
As a further description of the above technical solution:
the hot runner valve needle is slidably connected within the hot runner.
As a further description of the above technical solution:
the hot runner valve needle is provided with a second inclined plane, and the heat insulation sheet is provided with a third inclined plane matched with the second inclined plane.
As a further description of the above technical solution:
the heat insulation sheet is provided with a plurality of positioning grooves.
As a further description of the above technical solution:
the heat insulation sheet is made of titanium alloy.
As a further description of the above technical solution:
a guide block is arranged in the hot runner, and a guide groove is formed in the guide block.
As a further description of the above technical solution:
and the guide groove is provided with an arc chamfer.
To sum up, owing to adopted above-mentioned technical scheme, the beneficial effects of the utility model are that:
1. through the contained angle increase between heat shield and the hot runner needle to can make the hot runner needle closely laminate at roll-off hot runner and heat shield, and then can prevent to leak and glue, thereby can improve the quality of moulding plastics of product.
2. The heat insulation sheet is made of titanium alloy, so that the purpose of heat insulation can be achieved, and the high temperature on the hot runner main body is prevented from being transferred to the cavity to influence the cooling of a product; meanwhile, the titanium alloy has good toughness and is not easy to break, and the service life of the heat insulation sheet can be prolonged.
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 structural view of a conventional valve pin hot runner mold.
Fig. 2 is a structural schematic diagram of a titanium alloy heat-insulating cap for a valve needle hot runner mold.
Fig. 3 is an enlarged view of a portion a in fig. 2.
Fig. 4 is an enlarged view of a portion B in fig. 2.
Fig. 5 is a structural schematic diagram of a titanium alloy heat insulation cap used for a heat insulation sheet in a valve needle hot runner mold.
Illustration of the drawings:
1. a hot runner main body; 2. a hot runner valve needle; 21. a second inclined plane; 3. a heat insulating sheet; 31. a first inclined plane; 32. a third inclined plane; 33. positioning a groove; 4. pressing a sleeve by a hot runner; 5. a hot runner; 6. a guide block; 61. a guide groove.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. The components of embodiments of the present invention, as generally described and illustrated in the figures herein, may be arranged and designed in a wide variety of different configurations.
Thus, the following detailed description of the embodiments of the invention, as presented in the figures, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. Based on the embodiments of the present invention, all other embodiments obtained by a person skilled in the art without making creative efforts belong to the protection scope of the present invention.
It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined or explained in subsequent figures.
In the description of the embodiments of the present invention, it should be noted that the terms "upper", "inner" and the like indicate the position or positional relationship based on the position or positional relationship shown in the drawings, or the position or positional relationship which is usually placed when the utility model is used, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element to which the term refers must have a specific position, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.
In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Please refer to fig. 2-5, the utility model provides a titanium alloy heat insulating cap is used for needle hot runner mold, press set 4 including hot runner main part 1, hot runner needle 2, heat insulating sheet 3 and hot runner, be provided with hot runner 5 in the hot runner main part 1, hot runner 5 is followed hot runner main part 1's length direction arranges, hot runner needle 2 wears to establish in the hot runner 5, hot runner needle 2 sliding connection in the hot runner 5, just hot runner needle 2 can stretch out hot runner 5, heat insulating sheet 3 cover is established on hot runner needle 2, heat insulating sheet 3 has first inclined plane 31, first inclined plane 31 with hot runner needle 2's contained angle is the obtuse angle, hot runner press set 4 covers to establish on the hot runner main part 1.
The hot runner valve needle 2 is provided with a second inclined surface 21, and the heat insulation sheet 3 is provided with a third inclined surface 32 matched with the second inclined surface 21. The second inclined plane is the slick and sly surface, can the hot runner needle remove, and the third inclined plane is the cooperation with the second inclined plane simultaneously, can improve sealed effect.
The heat insulation sheet 3 is provided with a plurality of positioning grooves 33. The stability of hot runner pressure cover and heat shield fixed can be improved.
The heat insulation sheet 3 is made of titanium alloy.
A guide block 6 is arranged in the hot runner 5, and a guide groove 61 is arranged on the guide block 6. The hot runner valve needle 2 is prevented from moving out of position.
The guide groove 61 is provided with a circular arc chamfer. The guide block can be prevented from scratching the hot runner valve needle.
The working principle is as follows: the included angle (such as the angle C in figure 3) between the heat insulation sheet and the hot runner valve needle is increased, so that the hot runner valve needle can slide out of the hot runner and is tightly attached to the heat insulation sheet, glue leakage can be prevented, and the injection molding quality of a product can be improved; the heat insulation sheet is made of titanium alloy, so that the purpose of heat insulation can be achieved, and the high temperature on the hot runner main body is prevented from being transferred to the cavity to influence the cooling of a product; meanwhile, the titanium alloy has good toughness and is not easy to break, and the service life of the heat insulation sheet can be prolonged.
The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.
Claims (7)
1. The utility model provides a titanium alloy heat-insulating cap is used for needle hot runner mould, its characterized in that, presses cover (4) including hot runner main part (1), hot runner needle (2), heat insulating sheet (3) and hot runner, be provided with hot runner (5) in hot runner main part (1), hot runner (5) are followed the length direction of hot runner main part (1) arranges, hot runner needle (2) are worn to establish in hot runner (5), just hot runner needle (2) protractile hot runner (5), heat insulating sheet (3) cover is established on hot runner needle (2), heat insulating sheet (3) have first inclined plane (31), first inclined plane (31) with the contained angle of hot runner needle (2) is the obtuse angle, hot runner is pressed the cover and is established on hot runner main part (1).
2. A titanium alloy insulating cap for a valve pin hot runner mold as claimed in claim 1, wherein the hot runner valve pin (2) is slidably connected within the hot runner (5).
3. The titanium alloy heat insulation cap for the valve needle hot runner mold as claimed in claim 1, wherein the hot runner valve needle (2) is provided with a second inclined surface (21), and the heat insulation sheet (3) is provided with a third inclined surface (32) matching with the second inclined surface (21).
4. The titanium alloy heat insulation cap for the valve needle hot runner mold as claimed in claim 1, wherein the heat insulation sheet (3) is provided with a plurality of positioning grooves (33).
5. The titanium alloy heat insulation cap for the valve needle hot runner mold as claimed in claim 1, wherein the heat insulation sheet (3) is made of titanium alloy.
6. The titanium alloy heat insulation cap for the valve needle hot runner mold as claimed in claim 1, wherein a guide block (6) is arranged in the hot runner (5), and a guide groove (61) is arranged on the guide block (6).
7. The titanium alloy heat insulation cap for the valve needle hot runner mold as claimed in claim 6, wherein the guide groove (61) is provided with a circular arc chamfer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123366334.5U CN217670811U (en) | 2021-12-29 | 2021-12-29 | Titanium alloy heat insulation cap is used for needle hot runner mould |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123366334.5U CN217670811U (en) | 2021-12-29 | 2021-12-29 | Titanium alloy heat insulation cap is used for needle hot runner mould |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217670811U true CN217670811U (en) | 2022-10-28 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202123366334.5U Active CN217670811U (en) | 2021-12-29 | 2021-12-29 | Titanium alloy heat insulation cap is used for needle hot runner mould |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217670811U (en) |
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2021
- 2021-12-29 CN CN202123366334.5U patent/CN217670811U/en active Active
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