CN202241844U - Color changing structure of hot runner system - Google Patents
Color changing structure of hot runner system Download PDFInfo
- Publication number
- CN202241844U CN202241844U CN2011203703640U CN201120370364U CN202241844U CN 202241844 U CN202241844 U CN 202241844U CN 2011203703640 U CN2011203703640 U CN 2011203703640U CN 201120370364 U CN201120370364 U CN 201120370364U CN 202241844 U CN202241844 U CN 202241844U
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- China
- Prior art keywords
- plunger
- runner
- colour changing
- changing structure
- color changing
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- Expired - Fee Related
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Abstract
The utility model relates to a color changing structure of a hot runner system, which comprises a flow distribution plate. A runner is arranged in the flow distribution plate and comprises a horizontal runner and a vertical runner, a plunger is arranged at the joint position of the horizontal runner and the vertical runner, and the front end face of the plunger is an inclined plane which inclines downwards. The front end face of the plunger of the plunger color changing structure of the hot runner system is designed into the inclined plane, and the inclined plane can prevent melt adhesive from forming a runner dead angle area when the melt adhesive flows from the horizontal runner to the vertical runner, thereby being convenient in color changing of sizing materials. An anti-rotating pin hole is arranged on the periphery of the color changing plunger, thereby being capable of well preventing the plunger from rotating at working time. Inner threads are arranged at the other end of the plunger so as to enable the plunger to be installed in the runner easily and locked through a headless bolt, thereby achieving good sealing, and guaranteeing that the plunger can bear powerful impact pressure in the runner.
Description
Technical field
The utility model relates to the hot runner mould technical field, is specifically related to a kind of TOP-TIP colour changing structure.
Background technology
Along with the development of Tool and Die Technology, people to TOP-TIP require increasingly high.Colour changing has become the basic demand of most of hot runner moulds.The TOP-TIP colour changing promptly replaces another kind of color melten gel to carry out injection moulding with a kind of color melten gel.When the TOP-TIP that the colour changing plunger is housed can be fine assurance runner corner do not have dead angle area, when with another kind of color injection moulding of melt, can impact and take away in the TOP-TIP runner rapidly before the color melten gel, thereby accomplish rapid colour changing.Can be the waste that the client significantly reduces the colour changing sizing material like this, reduced the die trial cost.
Usually, the plastics melten gel is penetrated through the injection machine master and is chewed the entering TOP-TIP, and by TOP-TIP injecting products die cavity, the speed of colour changing speed depends primarily on the structure of TOP-TIP inner flow passage again.For TOP-TIP by depth drill processing; Runner inside needs piston structure; As shown in Figure 1, the plastics melten gel is penetrated to chew through the injection machine master and is chewed 14 through main purt and get into the runner 11 that is provided with in the flow distribution plates 13, is provided with plunger 12 in the corner of runner 11 horizontal run and vertical run.Plunger 12 determines the colour changing performance of a whole set of TOP-TIP largely.The structure of present most of plunger 12 is as shown in fig. 1, and mostly front end is the plane, promptly is that the outer wall with vertical run is on the same plane.Although plunger guarantees that the melten gel material is along specifying runner to get into mold cavity; But the dead angle that in injection moulding process, all can have certain space in the corner of horizontal run and vertical run; Gather sizing material, be difficult to flow, thereby have a strong impact on system's colour changing speed or can't accomplish colour changing at all; System's colour changing possibly need manual work to split out plunger to clean and just possibly accomplish colour changing, have a strong impact on manufacturing schedule like this.In addition, existing plunger 12 is not generally all established mechanism of ammonium fixation, and plunger very likely rotates under the impact of colloidal sol or moves forward and backward like this, can not get in the mold cavity along the appointment runner by fine assurance colloidal sol material.
The utility model content
To the deficiency of prior art, the utility model aims to provide and a kind ofly can effectively solve the runner dead angle, reaches convenient and colour changing fast, the TOP-TIP colour changing structure of enhancing productivity greatly.
For realizing above-mentioned purpose, the utility model adopts following technical scheme:
A kind of TOP-TIP colour changing structure comprises flow distribution plate, is provided with runner in the said flow distribution plate, and said runner comprises horizontal run and vertical run, is provided with a plunger in horizontal run and vertical run junction, and the front end face of said plunger is an inclined downward.After melten gel gets into the TOP-TIP runner; At the direct ram piston of horizontal run direction; When the front end face of plunger adopted ramp structure, melten gel changed into vertical run rapidly under ramp effect, thereby reduced the pressure loss of injection pressure in this corner; Avoid gathering sizing material, thereby guaranteed the possibility of rapid colour changing in runner corner.
As improvement, the periphery of said plunger is provided with an anti-rotation cotter way, the stop pin that grafting one and said anti-rotation cotter way are complementary in the flow distribution plate, and said stop pin is fixedly connected with the anti-rotation cotter way.Stop pin cooperates with the anti-rotation cotter way, can prevent the plunger circumferential movement, prevents that promptly plunger from rotating in runner.
As further improvement, the rear end of said plunger is provided with an internal screw thread, and said internal screw thread is connected with a bolt.On the internal screw thread of plunger back-end, can effectively prevent the axially-movable of plunger through a bolts assemblies, prevent that promptly plunger from moving forward and backward in runner.
Preferably, said bolt is a stud bolt.
Preferably, the upside of said flow distribution plate is provided with a main purt and chews, and said main purt is chewed with runner and linked to each other.
A kind of TOP-TIP colour changing structure that the utility model is set forth; Compared with prior art; Its beneficial effect is: the front end face of the plunger of the utility model TOP-TIP plunger colour changing structure is designed to the inclined-plane; The main effect on this inclined-plane is to prevent that melten gel from transferring vertical run to and forming the runner dead angle area through transverse flow channels, thereby more can make things convenient for the sizing material colour changing.Periphery at the colour changing plunger offers an anti-rotation pin-and-hole, makes the plunger can fine anti-rotation in when work.The other end at the colour changing plunger is offered in respect of internal screw thread, so that plunger easily is installed in the runner, and tightly locks through stud bolt, chews and has guaranteed that plunger can bear surge powerful in the runner to reach good sealing.
Description of drawings
Accompanying drawing 1 is the structural representation of TOP-TIP colour changing structure in the prior art;
Accompanying drawing 2 is the structural representation of the utility model TOP-TIP colour changing structure;
Accompanying drawing 3 is the structural representation of plunger among Fig. 2.
The specific embodiment
Below, in conjunction with the accompanying drawing and the specific embodiment, the TOP-TIP colour changing structure of the utility model done further describing, so that clearerly understand the utility model technological thought required for protection.
Shown in Fig. 2 and 3, a kind of TOP-TIP colour changing structure comprises flow distribution plate 9; Be provided with runner 1 in the flow distribution plate 9; The upside of flow distribution plate 9 is provided with the main purt that links with runner 1 and chews 8, and main purt is chewed 8 and penetrated to chew with the injection machine master and link to each other, and colloidal sol is penetrated to chew through the injection machine master and chewed 8 through main purt and get in the runners 1.Runner 1 comprises horizontal run and vertical run, and for the TOP-TIP by depth drill processing, runner inside all needs plunger 2 usually, and plunger 2 can guarantee that the colloidal sol material is along specifying runner to get into mold cavity.
For preventing that from there is the dead angle of certain space in colloidal sol in the injection moulding process in the corner of horizontal run and vertical run, the place gathers sizing material at the dead angle, is difficult to flow; Have a strong impact on colour changing speed; The front end face of plunger 2 is designed to inclined downward 5, and melten gel changes into vertical run rapidly under inclined-plane 5 effects, thereby reduces the pressure loss of injection pressure in this corner; Avoid gathering sizing material, thereby guaranteed the possibility of rapid colour changing in runner corner.
Because plunger 2 will receive the impacting with high pressure of melten gel runner 1 in injection moulding process, need fixed the axial and circumferential of plunger 2, so that the carrying out smoothly of colour changing or injection moulding.Periphery at plunger 2 is provided with an anti-rotation cotter way 7; The stop pin 3 that grafting one and anti-rotation cotter way 7 are complementary on the flow distribution plate 9, stop pin 3 is fixed together with anti-rotation cotter way 7, because stop pin 3 is fixed in the flow distribution plate 9 simultaneously; So stop pin 3 can prevent plunger 2 circumferential movement with cooperating of anti-rotation cotter way 7; Effectively prevent under the high-strength impact effect, to rotate, and the direction on inclined-plane 5 and position are changed, cause corner to have the colloidal sol material to gather and influence colour changing speed at plunger 2.The front end face of plunger 2 (being inclined-plane 5) can finely guarantee that with runner 1 close-fitting TOP-TIP can not leak glue; Rear end face is provided with an internal screw thread 6; Tightly lock in through stud bolt 4 and can prevent plunger 2 axially-movables on the internal screw thread 6, promptly guarantee under the impacting with high pressure of colloidal sol, can not move forward and backward.
The processing of plunger 2 and installation process are: plunger 2 is processed into shown in the plunger among Fig. 3, and with Fig. 2 in the runner hole make tolerance fit, do circumferentially fixingly through stop pin 3, stud bolt 4 is made axial restraint.During assembling, an end that plunger 2 is provided with inner bolt hole 6 is connected with the suitable bolt of a length, stretch in the runner hole and with the runner hole in close-fitting, stop pin is in place, withdraw from bolt, screw in stud bolt 4.Assembling is simple, and is fixing reliable.
For a person skilled in the art, can make other various corresponding changes and distortion, and these all changes and distortion should belong within the protection domain of the utility model claim all according to the technical scheme and the design of above description.
Claims (5)
1. a TOP-TIP colour changing structure comprises flow distribution plate, is provided with runner in the said flow distribution plate; Said runner comprises horizontal run and vertical run; Be provided with a plunger in horizontal run and vertical run junction, it is characterized in that, the front end face of said plunger is an inclined downward.
2. TOP-TIP colour changing structure as claimed in claim 1 is characterized in that the periphery of said plunger is provided with an anti-rotation cotter way, the stop pin that grafting one and said anti-rotation cotter way are complementary in the flow distribution plate, and said stop pin is fixedly connected with the anti-rotation cotter way.
3. TOP-TIP colour changing structure as claimed in claim 2 is characterized in that the rear end of said plunger is provided with an internal screw thread, and said internal screw thread is connected with a bolt.
4. TOP-TIP colour changing structure as claimed in claim 3 is characterized in that said bolt is a stud bolt.
5. TOP-TIP colour changing structure as claimed in claim 1 is characterized in that the upside of said flow distribution plate is provided with a main purt and chews, and said main purt is chewed with runner and linked to each other.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011203703640U CN202241844U (en) | 2011-09-30 | 2011-09-30 | Color changing structure of hot runner system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011203703640U CN202241844U (en) | 2011-09-30 | 2011-09-30 | Color changing structure of hot runner system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202241844U true CN202241844U (en) | 2012-05-30 |
Family
ID=46103137
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011203703640U Expired - Fee Related CN202241844U (en) | 2011-09-30 | 2011-09-30 | Color changing structure of hot runner system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202241844U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104936758A (en) * | 2012-12-03 | 2015-09-23 | 福斯塔格型材有限公司 | Injection mould with hot runner manifold |
| CN109397633A (en) * | 2018-12-10 | 2019-03-01 | 柳道万和(苏州)热流道系统有限公司 | Plug, the flow distribution plate with the plug and hot runner system |
-
2011
- 2011-09-30 CN CN2011203703640U patent/CN202241844U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104936758A (en) * | 2012-12-03 | 2015-09-23 | 福斯塔格型材有限公司 | Injection mould with hot runner manifold |
| CN104936758B (en) * | 2012-12-03 | 2017-03-08 | 福斯塔格型材有限公司 | Injection mold with hot flow path distributor |
| CN109397633A (en) * | 2018-12-10 | 2019-03-01 | 柳道万和(苏州)热流道系统有限公司 | Plug, the flow distribution plate with the plug and hot runner system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee |
Owner name: SHENZHEN MOULD-TIP INJECTION TECHNOLOGY LIMITED Free format text: FORMER NAME: MOULD-TIP INJECTION TECHNOLOGY (SHENZHEN) LIMITED |
|
| CP03 | Change of name, title or address |
Address after: 518132 Guangdong province Shenzhen Guangming New District Gongming office. The community Fifth Industrial Zone sixth, Sixth Industrial District sixteenth Building 1 floor 3 floor Patentee after: Mai Shidefu Science and Technology Co., Ltd. of Shenzhen Address before: 518132 Guangdong province Shenzhen Guangming New District Gongming office. The community Sixth Industrial District sixteenth Building 1 floor, 2 floor, A District, 3 floor Patentee before: Mould-Tip (Shenzhen) Injection Technology Limited |
|
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120530 Termination date: 20200930 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |