CN210525722U - Valve needle type runner plate color changing device - Google Patents
Valve needle type runner plate color changing device Download PDFInfo
- Publication number
- CN210525722U CN210525722U CN201921429474.2U CN201921429474U CN210525722U CN 210525722 U CN210525722 U CN 210525722U CN 201921429474 U CN201921429474 U CN 201921429474U CN 210525722 U CN210525722 U CN 210525722U
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- runner
- insert
- hole
- mold insert
- runner plate
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Abstract
The utility model discloses a valve needle formula runner plate trades look device, chew including runner plate, needle, mold insert and heat, the end cap is installed to one side of runner plate, the mold insert is installed on the top of runner plate, and the top of mold insert installs the pressure gasket, pressure gasket intermediate position department runs through there is the needle, the intermediate position department of pressure gasket bottom is provided with the valve needle cover, the inside of mold insert is provided with mold insert horizontal flow path hole, one side in mold insert horizontal flow path hole is connected with runner plate horizontal flow path hole, the inside bottom of mold insert is provided with the mold insert and goes out the gluey hole. The utility model discloses an adopt the formula mold insert that sinks in flow path plate horizontal flow path hole and flow path plate play glue hole department, because mold insert and flow path plate zero clearance fit, the runner can not overflow and glue, and when using for a long time, glue solution can not remain in end cap department, has avoided remaining the glue solution degeneration and has blackened the scheduling problem, need not tear open the end cap and wash the runner, has reduced manufacturing cost.
Description
Technical Field
The utility model relates to a hot runner technical field that moulds plastics specifically is a valve pin type runner plate trades look device.
Background
The original runner plate is processed into the through hole by the horizontal runner hole, and the one end that intersects with the glue outlet hole adopts the end cap to plug up, prevents to leak glue, because processing technology's problem leads to end cap department to produce the dead angle position easily, glues remain easily when flowing through here, has long the time and has leaded to remaining gluey degeneration blackening scheduling problem easily, produces the colour mixture easily when trading the look, and the end cap does not block up well, also leads to the excessive glue easily. The plug is required to be removed to clean the flow channel after color mixing is generated during color changing, so that inconvenience is brought to production, production cost is increased, and production period is prolonged, so that the existing valve needle type flow channel plate color changing device has many problems or defects.
The prior valve needle type runner plate color changing device has the following defects:
1. the runner plate is processed into a through hole by a horizontal runner hole, and one end intersected with the glue outlet hole is blocked by a plug to prevent glue leakage, due to the problem of a processing process, dead corners are easily generated at the plug, glue is easily remained when flowing through the dead corners, the problem that the remained glue is easily denatured and blackened after a long time, the runner needs to be cleaned by frequently removing the plug, the plug is not well blocked, glue overflow is easily caused, the runner needs to be cleaned by frequently removing the plug, the production cost is increased, and the cleaning is troublesome;
2. the runner plate is provided with the horizontal runner hole and the glue outlet hole in a split manner due to the problems of the processing technology, the installation positions of the insert and the runner plate are not attached enough, dead angles are easy to generate, molten glue of a plastic material is easy to deposit, inconvenience is brought to production, the production cost is increased, and the production period is prolonged.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a valve pin type runner plate trades look device to the easy excessive colour mixture problem of gluing that proposes in solving above-mentioned background art.
In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a valve needle formula runner plate trades look device, chews including runner plate, mold insert, needle and heat, the end cap is installed to one side of runner plate, the mold insert is installed on the top of runner plate, and the top of mold insert installs the pressure gasket, pressure gasket intermediate position department runs through there is the needle, the intermediate position department of pressure gasket bottom is provided with the valve needle cover, the inside of mold insert is provided with mold insert horizontal flow path hole, one side of mold insert horizontal flow path hole is connected with runner plate horizontal flow path hole, the inside bottom of mold insert is provided with mold insert glue outlet hole, mold insert glue outlet hole lower extreme is connected with runner plate glue outlet hole, runner plate glue outlet hole lower extreme is connected with the heat and chews the runner, the heat is chewed to the bottom of runner plate.
Preferably, the connecting part of the horizontal runner hole of the insert and the glue outlet hole of the insert adopts smooth arc transition.
Preferably, the top end of the hot nozzle is fixedly connected with the runner plate, the bottom end of the interior of the insert is provided with an insert glue outlet hole, and the insert glue outlet hole is communicated with the horizontal runner hole of the insert and the interior of the horizontal runner hole of the runner plate.
Preferably, the mold insert glue outlet is communicated with the runner plate glue outlet and the interior of the hot nozzle runner.
Compared with the prior art, the beneficial effects of the utility model are that:
1. the utility model discloses an adopt the formula mold insert that sinks in flow path plate horizontal flow path hole and flow path plate play glue hole department, because mold insert and flow path plate zero clearance fit, the runner can not overflow and glue, and when using for a long time, glue solution can not remain in end cap department, has avoided remaining the glue solution degeneration and has blackened the scheduling problem, need not tear open the end cap and wash the runner, has reduced manufacturing cost.
2. The utility model discloses an insert adopts the formula of sinking installation between runner plate horizontal flow way hole and runner plate play gluey hole, and smooth arc transition is adopted with the corner that the jogged joint was glued out to the mold insert horizontal flow way hole, and the plastic material melten gel smoothly passes through, avoids the deposit, can not the colour mixture when trading the look, has reduced production cycle, has improved the quality of product.
Drawings
FIG. 1 is a front sectional view of the present invention;
fig. 2 is the schematic structural diagram of the insert of the present invention.
In the figure: 1. a runner plate; 2. a plug; 3. a valve needle; 4. a pressure pad; 5. a valve needle sleeve; 6. an insert; 7. a horizontal runner hole of the insert; 8. horizontal runner holes of the runner plate; 9. a glue outlet of the insert; 10. a hot nozzle; 11. the runner plate is provided with a glue outlet; 12. a hot nozzle flow channel.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. 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 description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front end", "rear end", "both ends", "one end", "the other end" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, 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 reference is made must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "connected," and the like are to be construed broadly, and for example, "connected" may be either fixedly connected or detachably connected, or integrally connected; can be mechanically or electrically connected; 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.
Referring to fig. 1-2, the present invention provides an embodiment: the utility model provides a valve needle formula runner plate trades look device, includes runner plate 1, mold insert 6, 10 is chewed to needle 3 and heat, end cap 2 is installed to one side of runner plate 1, and mold insert 6 is installed on the top of runner plate 1, and the top of mold insert 6 installs pressure gasket 4, and 4 intermediate position departments of pressure gasket run through there is needle 3, and the intermediate position department of 4 bottoms of pressure gasket is provided with valve needle cover 5, and the inside of mold insert 6 is provided with mold insert horizontal flow path hole 7, and one side of mold insert horizontal flow path hole 7 is connected with runner plate horizontal flow path hole 8, and the inside bottom of mold insert 6 is provided with mold insert glue outlet hole 9, and mold insert glue outlet hole 9 lower extreme is connected with runner plate glue outlet hole 11, runner plate glue outlet hole 11 lower extreme is connected with heat and chews runner 12, and 10 is chewed to the bottom of runner plate 1.
Furthermore, smooth arc transition is adopted at the joint of the horizontal runner hole 7 of the insert and the glue outlet hole 9 of the insert, when the device works and glue enters the horizontal runner hole 7 of the insert, the smooth arc transition is adopted at the joint of the horizontal runner hole 7 of the insert 6 and the glue outlet hole 9 of the insert, so that no dead angle exists, no glue is left, the color changing performance is good, and the color mixing with the residual glue is avoided.
Further, the top of 10 is chewed to the heat and runner plate 1 fixed connection, and the inside bottom of mold insert is provided with mold insert glue outlet hole 9, and mold insert glue outlet hole 9 is linked together with mold insert horizontal flow path hole 7, the inside of runner plate horizontal flow path hole 8, when this device carries out work, mold insert 6 and runner plate 1 zero clearance fit, the runner can not overflow and glue, when using for a long time, glue solution can not remain in end cap 2 department, avoided remaining glue solution degeneration blackened scheduling problem, need not tear end cap 2 and wash the runner open, manufacturing cost is reduced.
The working principle is as follows: before the device is used, a user firstly detects the device, and after no problem is confirmed, when the device is used, the valve needle 3 is opened, glue solution is injected into the horizontal channel hole 8 of the channel plate, the glue solution flows into the glue outlet hole 9 of the insert along the horizontal channel hole 7 of the insert and then flows into the glue outlet hole 11 of the channel plate, the glue solution flows downwards to the glue mouth of the mouth head along the hot mouth channel 12 and enters the mould cavity, after the mould cavity is filled with the glue, the valve needle 3 is closed to seal the glue mouth, and then an injection molding finished product can be obtained; when the glue solution enters the horizontal flow passage hole 8 of the flow passage plate, the smooth arc transition is adopted at the joint of the horizontal flow passage hole 7 of the insert piece in the insert piece 6 and the glue outlet hole 9 of the insert piece, so that no dead angle exists, the glue solution cannot be remained, the color changing performance is good, the color mixing with the remained glue solution cannot be realized, the flow passage is not easy to overflow due to the gapless fit between the insert piece 6 and the valve needle sleeve 5 and the valve needle 3, the glue solution cannot be remained at the plug 2 during long-time use, the problems of denaturation and blackening of the remained glue solution and the like are avoided, and the production cost is.
It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Claims (4)
1. The utility model provides a valve needle formula runner plate trades look device, includes runner plate (1), needle (3), mold insert (6) and hot chew (10), its characterized in that: a plug (2) is arranged on one side of the runner plate (1), an insert (6) is arranged at the top end of the runner plate (1), a pressure gasket (4) is arranged at the top end of the insert (6), a valve needle (3) penetrates through the middle position of the pressure gasket (4), a valve needle sleeve (5) is arranged in the middle of the bottom end of the pressure gasket (4), an insert horizontal runner hole (7) is arranged in the insert (6), one side of the insert horizontal runner hole (7) is connected with a runner plate horizontal runner hole (8), the bottom end of the inner part of the insert (6) is provided with an insert glue outlet hole (9), the lower end of the insert glue outlet hole (9) is connected with a runner plate glue outlet hole (11), the lower end of the runner plate glue outlet hole (11) is connected with a hot nozzle runner (12), and the bottom end of the runner plate (1) is provided with a hot nozzle (10).
2. The valve needle type flow channel plate color changing device according to claim 1, wherein: the joint of the insert horizontal flow passage hole (7) and the insert glue outlet hole (9) adopts smooth arc transition.
3. The valve needle type flow channel plate color changing device according to claim 1, wherein: the top end of the hot nozzle (10) is fixedly connected with the runner plate (1), the bottom end of the interior of the insert is provided with an insert glue outlet hole (9), and the insert glue outlet hole (9) is communicated with the interiors of the insert horizontal runner hole (7) and the runner plate horizontal runner hole (8).
4. The valve needle type flow channel plate color changing device according to claim 1, wherein: the insert glue outlet hole (9) is communicated with the interior of the runner plate glue outlet hole (11) and the interior of the hot nozzle runner (12).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921429474.2U CN210525722U (en) | 2019-08-30 | 2019-08-30 | Valve needle type runner plate color changing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921429474.2U CN210525722U (en) | 2019-08-30 | 2019-08-30 | Valve needle type runner plate color changing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210525722U true CN210525722U (en) | 2020-05-15 |
Family
ID=70603605
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921429474.2U Active CN210525722U (en) | 2019-08-30 | 2019-08-30 | Valve needle type runner plate color changing device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210525722U (en) |
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2019
- 2019-08-30 CN CN201921429474.2U patent/CN210525722U/en active Active
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