CN205219623U - Hot runner mould - Google Patents
Hot runner mould Download PDFInfo
- Publication number
- CN205219623U CN205219623U CN201521050258.9U CN201521050258U CN205219623U CN 205219623 U CN205219623 U CN 205219623U CN 201521050258 U CN201521050258 U CN 201521050258U CN 205219623 U CN205219623 U CN 205219623U
- Authority
- CN
- China
- Prior art keywords
- runner
- cast gate
- hot runner
- cover half
- mould
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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- Moulds For Moulding Plastics Or The Like (AREA)
Abstract
The utility model relates to a plastic mold field. Aim at provides the hot runner mould that can seal the runner fast. The utility model provides a: a hot runner mould, includes that mould main part, hot runner mechanism, runner seal the mechanism, the mould main part includes cover half and movable mould, cover half and movable mould enclose into the die cavity jointly, be provided with the runner on the cover half, hot runner mechanism includes nozzle, hot runner, the nozzle is moulded plastics in to the die cavity through the runner. The runner side is close to die cavity department and is provided with the mounting hole, the runner seals the mechanism and lies in the mounting hole, and the closed mechanism of runner includes seals parts, seal parts one end for with the anastomotic board that seals of runner size, the other end be with the anastomotic head of mounting hole size, it can slide in the mounting hole to seal parts, it keeps away from the one end of runner and is connected with power component to seal parts. This device can be quick closed runner, improve work piece quality and production efficiency.
Description
Technical field
The utility model relates to mould of plastics field, is specifically related to a kind of hot runner mould.
Background technology
Mould be in industrial production in order to injection moulding, blowing, extrude, various mould and instrument that the method such as die casting or forging forming, smelting, punching press obtains required product.In brief, mould is used to the instrument of formed article, and this instrument is made up of various part, and different moulds is made up of different parts.It realizes the processing of article profile mainly through the change of institute's moulding material physical state.Have the title of " industry is female ", the development level that mould is produced is one of important symbol of industrial manufacturing level.
Hot runner mould is often heated the running channel of traditional type mould or shree plates mold and runner, do not need the brand-new structure of one taking out hot flow path and running channel when each is shaped.He not only can shorten product molding cycle, saves plastic raw materials, reduce waste product, can also improve the quality of products, improves production automation level, expand injection molding process range of application.The cast gate of hot runner mould is its important part, if cast gate is excessive, then after Workpiece shaping, the vestige at cast gate place is obvious, causes surface of the work out-of-flatness, not only make the Quality Down of workpiece, and the follow-up process to workpiece gate vestiges also needs considerable input; If cast gate is too small, be then unfavorable for that fluid injects die cavity.The existing technology closed for cast gate, its automatization level is too low, and often can not realize closing in time of cast gate, make shaping workpiece profile unsightly, serious even occurs the phenomenons such as wire drawing.
Summary of the invention
The purpose of this utility model is the hot runner mould providing a kind of energy quick closure cast gate.
For achieving the above object, the technical scheme that the utility model adopts is: a kind of hot runner mould, comprises die main body, hot runner mechanism, cast gate closing means; Described die main body comprises fixed half and moving half, and described fixed half and moving half surrounds die cavity jointly, and described cover half is provided with cast gate; Described hot runner mechanism comprises the nozzle being positioned at cast gate place and the hot flow path being positioned at cover half inside, and described hot flow path one end is connected with injection machine, and the other end is connected with nozzle;
Described cast gate side is provided with installing hole near die cavity place, described cast gate closing means is positioned at installing hole, cast gate closing means comprises sealing part, and described sealing part one end is the hush panel of coincideing with gate size, and the other end is the head coincide with installing hole size; The head of described sealing part is connected with Power Component.
Preferably, described Power Component comprises push rod, and described push rod one end is connected with head, and the other end is provided with synchronous gear, and described synchronous gear is meshed with gear, and described gear is by driving stepper motor, and described stepper motor is connected with controller.
Preferably, described cast gate place is also provided with probe assembly, and described probe assembly comprises signal projector, signal receiver; Described signal projector and signal receiver are arranged symmetrically in cast gate side, and described signal receiver is connected with controller.
Preferably, be arranged with high temperature resistant guard shield outside described probe assembly, described high temperature resistant guard shield is made up of high temp glass.
The beneficial effects of the utility model embody a concentrated reflection of, cast gate can be closed fast, particularly after die cavity fills, hush panel is utilized to be closed by cast gate fast, because hush panel is smooth, smooth, so the workpiece after shaping is also smooth on the surface at cast gate place, this provides for improved the quality of workpiece.In addition because the part of workpiece at cast gate place is very little, later stage work in-process does not need to cut this part more substantially, enormously simplify operation, improves production efficiency.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model;
Fig. 2 is A portion enlarged drawing in Fig. 1;
Fig. 3 is the left view of structure shown in Fig. 2;
Fig. 4 is control principle drawing of the present utility model.
Detailed description of the invention
A kind of hot runner mould shown in composition graphs 1-4, comprises die main body, hot runner mechanism, cast gate closing means.Described die main body comprises cover half 20 and dynamic model 21, and described cover half 20 and dynamic model 21 surround die cavity 5 jointly, and described cover half 20 is provided with cast gate 22.Described hot runner mechanism comprises the nozzle 23 being positioned at cast gate 22 place and the hot flow path 24 being positioned at cover half 20 inside, and described hot flow path 24 one end is connected with injection machine, and the other end is connected with nozzle 23.The liquid plastics that injection machine is discharged injects die cavity 5 successively after hot flow path 24, nozzle 23, cast gate 22.
Described cast gate 22 side is provided with installing hole 25 near die cavity 5 place, and that is the release chamber of installing hole 25 5 is better apart from more near, if installing hole in Fig. 2 25 lower surface and die cavity 5 are apart from less, can reduce the gate vestiges of shaping workpiece like this.Described cast gate closing means is positioned at installing hole 25, cast gate closing means comprises sealing part, described sealing part one end is the hush panel 26 of coincideing with cast gate 22 size, described size is coincide and is namely referred to that hush panel 26 can shut cast gate 22 completely, prevent plastic liquid from overflowing from cast gate 22, the sealing part other end is the head 27 coincide with installing hole 25 size, and size is herein coincide and namely referred to that this head 27 can slide in installing hole 25.The head 27 of described sealing part is connected with Power Component.Namely described sealing part slides and the extended installing hole 25 of hush panel 26 also closed cast gate 22 under the driving of Power Component in installing hole 25.
In the middle of use procedure of the present utility model, after die cavity 5 injection moulding has been expired, hush panel 26 has been promoted by Power Component, close cast gate 22, because hush panel 26 plate face is smooth, therefore after Workpiece shaping, the surface at its cast gate 22 place is also smooth, and this just improves the quality of workpiece greatly.Certainly, if some workpiece needs to do some impressions, also the plate face of hush panel 26 can be adjusted, stamp product standard etc. in its plate face.Because installing hole 25 is near die cavity 5, therefore extremely short to the distance of workpiece main part from hush panel 26, therefore do not need after Workpiece shaping to cut the redundance being positioned at cast gate 22 place, directly use, this just simplifies the operation of injection moulding greatly, improves production efficiency.
Described Power Component is varied, can be to connect a catch bar at head 27, and catch bar extends to outside die main body, and staff directly utilizes catch bar to control sealing part.In order to improve automatization level, better way is that Power Component comprises push rod 28, and described push rod 28 one end is connected with head 27, the other end is provided with synchronous gear, described synchronous gear is meshed with gear 29, and described gear 29 is driven by stepper motor 30, and described stepper motor 30 is connected with controller.Generally need the arrangement relation of position determination gear 29 according to stepper motor 30 and push rod 28, be namely that gear 29 turns clockwise as shown in Figure 2, then push rod 28 moves right, and cast gate 22 is opened; And gear 29 is when being rotated counterclockwise, on the contrary, then cast gate 22 is closed.Stepper motor 30 is controlled by controller, this provides for improved precision and the automaticity of adjustment.
In order to improve automaticity of the present utility model further, described cast gate 22 place is also provided with probe assembly, and described probe assembly comprises signal projector 31, signal receiver 32.Described signal projector 31 is arranged symmetrically in cast gate 22 side with signal receiver 32, and described signal receiver 32 is connected with controller.When the fluid level of injection moulding reaches probe assembly height, signal receiver 32 cannot induced signal transmitter 31 launch signal, signal feedback to controller, controller adjustment stepper motor 30, then hush panel 26 closes cast gate 22.When the fluid of injection moulding does not reach probe assembly height, then cast gate 22 is not closed.In order to improve the service life of probe assembly, be arranged with high temperature resistant guard shield outside described probe assembly, described high temperature resistant guard shield is made up of high temp glass, so neither affects the realization of probe assembly function, well can protect probe assembly again.
Claims (4)
1. a hot runner mould, is characterized in that: comprise die main body, hot runner mechanism, cast gate closing means; Described die main body comprises cover half (20) and dynamic model (21), described cover half (20) and dynamic model (21) surround die cavity (5) jointly, described cover half (20) are provided with cast gate (22); Described hot runner mechanism comprises the nozzle (23) being positioned at cast gate (22) place and the hot flow path (24) being positioned at cover half (20) inside, described hot flow path (24) one end is connected with injection machine, and the other end is connected with nozzle (23);
Described cast gate (22) side is provided with installing hole (25) near die cavity (5) place, described cast gate closing means is positioned at installing hole (25), cast gate closing means comprises sealing part, described sealing part one end is the hush panel (26) of coincideing with cast gate (22) size, and the other end is the head (27) coincide with installing hole (25) size; The head (27) of described sealing part is connected with Power Component.
2. hot runner mould according to claim 1, it is characterized in that: described Power Component comprises push rod (28), described push rod (28) one end is connected with head (27), the other end is provided with synchronous gear, described synchronous gear is meshed with gear (29), described gear (29) is driven by stepper motor (30), and described stepper motor (30) is connected with controller.
3. hot runner mould according to claim 2, is characterized in that: described cast gate (22) place is also provided with probe assembly, and described probe assembly comprises signal projector (31), signal receiver (32); Described signal projector (31) and signal receiver (32) are arranged symmetrically in cast gate (22) side, and described signal receiver (32) is connected with controller.
4. hot runner mould according to claim 3, is characterized in that: be arranged with high temperature resistant guard shield outside described probe assembly, and described high temperature resistant guard shield is made up of high temp glass.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521050258.9U CN205219623U (en) | 2015-12-14 | 2015-12-14 | Hot runner mould |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521050258.9U CN205219623U (en) | 2015-12-14 | 2015-12-14 | Hot runner mould |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205219623U true CN205219623U (en) | 2016-05-11 |
Family
ID=55894715
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201521050258.9U Expired - Fee Related CN205219623U (en) | 2015-12-14 | 2015-12-14 | Hot runner mould |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205219623U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106042308A (en) * | 2016-08-09 | 2016-10-26 | 无锡尊宝电动车有限公司 | Injection mold for electromobile ABS nylon fender |
| CN112519143A (en) * | 2020-12-23 | 2021-03-19 | 李若冰 | Injection mold capable of automatically cutting off pouring gate |
-
2015
- 2015-12-14 CN CN201521050258.9U patent/CN205219623U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106042308A (en) * | 2016-08-09 | 2016-10-26 | 无锡尊宝电动车有限公司 | Injection mold for electromobile ABS nylon fender |
| CN112519143A (en) * | 2020-12-23 | 2021-03-19 | 李若冰 | Injection mold capable of automatically cutting off pouring gate |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160511 Termination date: 20191214 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |