CN204019889U - Injection mold - Google Patents
Injection mold Download PDFInfo
- Publication number
- CN204019889U CN204019889U CN201420487923.XU CN201420487923U CN204019889U CN 204019889 U CN204019889 U CN 204019889U CN 201420487923 U CN201420487923 U CN 201420487923U CN 204019889 U CN204019889 U CN 204019889U
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- CN
- China
- Prior art keywords
- dynamic model
- slide block
- runner
- die cavity
- injection mold
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Abstract
The utility model discloses a kind of injection mold, the mould used in the market produces the mould of multiple moulding, this mould is when producing, accurate production control quantity is wanted to be very very difficult, its drip irrigation device is: a kind of injection mold, comprise dynamic model, cover half and the sprue being arranged on dynamic model and cover half center, described dynamic model is provided with some cores, described cover half is provided with the die cavity matched with core, runner is provided with between described die cavity and sprue, described die cavity is provided with cast gate, described dynamic model is provided with the control device controlling cast gate and open and close, the injection moulding number of packages being realized accurate production control by the switch controlling cast gate has the standing groove communicated with sliding tray, the amount with worm wheel is equipped with in described standing groove.
Description
Technical field
The utility model relates to a kind of mould, and more particularly, it relates to one can carry out keying operation to runner import and reliable, the long-lived injection mold of control mode.
Background technology
Injection mold is a kind of instrument producing plasthetics, a kind of processing method used when injection mo(u)lding is some complex-shaped parts of batch production, injection mold mainly comprises dynamic model, cover half and the sprue being arranged on dynamic model and cover half center, dynamic model is provided with some cores, cover half is provided with die, after matched moulds, core and die cavity just constitute the die cavity of injection mold, runner is provided with between die cavity and sprue, sprue forms runner import with the runner place of communicating, die cavity is provided with cast gate near the side of runner, be connected by cast gate between die cavity with runner, during injection moulding, by being heated, the material melted injects die cavity by high pressure from sprue, after cooling curing, obtain formed products.
But, when some simple mouldings of injection moulding, in order to increase production efficiency, the multiple identical die cavity of circle distribution on a dynamic model of being everlasting, by offering sprue in the middle part of dynamic model, be connected by runner between sprue with die cavity, a die sinking, can the multiple moulding of moulding by casting, although accelerating production like this, but when mold cavity surface is damaged, each die sinking will produce underproof product, very large economic loss is caused to manufacturer, if injection mold to be taken away maintenance, will lose time like this, the deadline of product order can be affected, and when quantity on order soon reaches requirement, because die cavity cannot selective closedown, so unnecessary moulding will certainly be caused, thus cause the waste in production.
In addition, mainly by increasing at cast gate place, one piece of dividing plate realizes controlling the existing control injection mold mode of producing, ejected by cotter mechanism, elastic component resets, but easily cause elastic component aging ineffective after this multiple use, and cotter mechanism at jack-up process clapboard stress point in side, easily cause discontinuity, and after cast gate is closed, runner remains open mode, in runner, still can enter some materials melted that are heated, cause unnecessary waste.
Utility model content
For the deficiency that prior art exists, main purpose of the present utility model is to provide one can carry out keying operation to runner import and reliable, the long-lived injection mold of control mode.
For achieving the above object, the utility model adopts following technical scheme, a kind of injection mold, comprise dynamic model, cover half and the sprue being arranged on dynamic model and cover half center, described dynamic model is provided with some cores, described cover half is provided with the die cavity matched with core, described core and die cavity form shaping area, runner is provided with between described die cavity and sprue, described die cavity is provided with cast gate near the side of runner, be connected by cast gate between die cavity with runner, described dynamic model is provided with the control device controlling cast gate and open and close, described dynamic model is positioned at below runner and is provided with sliding tray, slide block is provided with in described sliding tray, described slide block can be conflicted with cover half surface and is connected, described slide block side and runner import align, described slide block is hinged with connecting rod and hinged place is positioned on slide block axis, worm gear is provided with below described slide block, described connecting rod and the hinged other end bias of slide block be articulated with on worm gear side, described dynamic model is provided with worm screw, described worm screw one end is meshed with worm gear, the other end stretches out dynamic model and is positioned at dynamic model outside.
Preferably, be provided with cavity in described slide block, be provided with pitman shaft in described cavity, described connecting rod is sheathed on pitman shaft.
Preferably, be provided with limited block in described sliding tray, described slide block is provided with the groove matched with limited block.
Preferably, described dynamic model outward flange is provided with the protective device matched with worm screw, and described worm screw stretches out dynamic model partial fixing and is provided with hexagon projection.
Preferably, described sliding tray inwall is provided with some sealing rings.
Preferably, described protective device comprises protective sleeve and is fixedly arranged on the annular boss on dynamic model, and described worm screw is arranged in annular boss, and described boss outer circumference surface is provided with external screw thread, is provided with the internal thread matched with external screw thread in described protective sleeve.
The utility model hinge structure is compared to be had: during work, rotary worm, pass through Worm Wheel System, drive worm gear wheel, by being articulated with the eccentric ratio on worm gear, band movable slider moves up and down along sliding tray, because rod connection point is positioned on its center axis, therefore slide block is stressed in sliding process can be very even, stable, adopt Worm Wheel System, and be manual operation in use mostly, worm screw rotating speed is not high, therefore worm and gear can have very long service life, arrange because slide block aligns with runner import, during closedown, the import of runner is closed, therefore the material being heated and melting in runner, can not be remained, and then reach the object of saving material.
Accompanying drawing explanation
Fig. 1 is the matched moulds sectional view of the utility model injection mold embodiment;
Fig. 2 is A portion enlarged drawing when runner is opened in Fig. 1;
Fig. 3 is enlarged drawing when runner closes in Fig. 1;
Fig. 4 is the slide block sectional view of the utility model injection mold embodiment;
Fig. 5 is the worm screw part diagram of the utility model injection mold embodiment;
Fig. 6 is the utility model injection mold embodiment dynamic model top view.
In figure: 1. dynamic model; 11. cast gates; 12. sliding trays; 121. limited block; 122. rotating shaft; 13. standing grooves; 14. cores; 15. boss; 2. cover half; 3. die cavity; 4. slide block; 41. grooves; 42. cavitys; 421. pitman shaft; 43. sealings; 5. connecting rod; 6. worm gear; 7. worm screw; 71. hexagons are protruding; 8. sprue; 9. runner; 10. protective sleeve.
Detailed description of the invention
Referring to figs. 1 through Fig. 6, the utility model injection mold embodiment is described further.
A kind of injection mold, dynamic model 1 is provided with the some cores 14 circumferentially distributed, choosing core 14 quantity in the present embodiment is four, cover half 2 is provided with the die cavity 3 matched with dynamic model 1, dynamic model 1 center is provided with sprue 8 vertically, runner 9 is provided with between sprue 8 and die cavity 3, be connected by cast gate 11 between runner 9 with die cavity 3, during injection moulding, first cover half 2 and dynamic model 1 matched moulds, core 14 and die cavity 3 form shaping area, then in sprue 8, inject the material being heated and melting, material enters in die cavity 3 by runner 9 and cast gate 11, finally cooling forming in die cavity 3.
Dynamic model 1 is equipped with sliding tray 12 below each runner 9, in sliding tray 12, slippage is connected with slide block 4, in order to heated material do not allowed to enter runner 9 when closing, is alignd with runner 9 import in slide block 4 side and arrange, the width of slide block 4 and the length of runner 9 suitable, the width of slide block 4 is wider, the operational time is longer, and slide block 4 is made with runner 9 wide, to greatest extent runner 9 can be closed, when needs are closed, runner 9 import and whole runner 9 can be closed by slide block 4, slide block 4 inside is provided with cavity 42, cavity 42 inwall is equipped with pitman shaft 421, pitman shaft 421 is arranged on slide block 4 axis, connecting rod 5 is hinged with by pitman shaft 421, in sliding tray 12, sliding tray 12 inwall is positioned at below slide block 4 and is provided with rotating shaft 122, worm gear 6 rotates and is arranged in rotating shaft 122, worm gear 6 side eccentric position is welded with jointed shaft, connecting rod 5 other end hinged with pitman shaft 421 is hinged on worm gear 6 side by jointed shaft, connecting rod 5 Eccentric-hinge is connected on worm gear 6, when worm gear 6 rotates, because connecting rod 5 is eccentrically set on worm gear 6, so connecting rod 5 can be with movable slider 4 to pump, when slide block 4 rises, runner 9 above sliding tray 12 is blocked, the material melted that prevents from being heated enters die cavity 3, dynamic model 1 is provided with standing groove 13, standing groove 13 is positioned at below die cavity 3, one end is connected with sliding tray 12, the other end communicates with dynamic model 1 outside, the worm screw 7 of matching with worm gear 6 is equipped with in standing groove 13, as needed selective closedown runner 9, rotate the worm screw 7 controlling corresponding runner 9, worm gear 6 is driven to rotate, the connecting rod 5 be positioned on worm gear 6 is with movable slider 4 at sliding tray 12 upward sliding, when cast gate 11 is blocked by slide block 4 completely, slide block 4 moves to peak, now worm screw 7 cannot be rotated, due to worm gear 6, worm screw 7 has auto-lock function, worm gear 6 self cannot rotate, therefore cast gate 11 will keep closed condition, as opened, reversely rotating worm screw 7 can drive worm gear 6 to reverse, connecting rod 5 is fallen, band movable slider 4 falls, adopt this kind of rising manner, because connecting rod 5 is arranged on slide block 4 central axis, active force acts on below slide block 4, and slide block 4 uniform force, motion process is stablized.
And, limited block 121 is provided with in sliding tray 12, slide block 4 is provided with the groove 41 matched with limited block 121, what slide block 12 is positioned at groove 41 top is sealing 43, the Main Function of sealing 43 is blocked at runner 9 import, Main Function slide block 4 being arranged groove 41 is that slide block 4 is when rising or falling, match with limited block 121, the effect of sealing can be played to sliding tray 12, prevent heated material from entering in sliding tray 12, in addition, better sealing effectiveness is played in order to allow sliding tray 12, limited block 121 bottom can be designed to inclined plane, groove 41 matches with inclined plane, and on slide block 4 sealing 43, be provided with annular protrusion, the cannelure coordinated with annular protrusion is provided with in sliding tray 12, because runner is all blocked by needs, so connecting rod 5 promotes the height that the stroke of slide block 4 rising is runner 9 when worm gear 6 rotates, in order to ensure that heated material can not pour in the groove on slide block when slide block 4 rises, on slide block 4, sealing 43 length is greater than runner 9 height, in order to realize the smooth of runner 9 inwall when slide block 4 falls, match in position when the position of sliding tray 12 inner limited block 121 falls with sealing 43.
In addition, worm screw 7 stretches out dynamic model 1 part and is provided with hexagon projection 71, can pull worm screw 7 by die nut, easy to use.
Moreover standing groove 13 two ends are provided with bearing, and worm screw 7 wears with in bearing, arranges bearing, worm screw 7 can be facilitated to rotate.
Further; be misused to prevent the worm screw 7 stretching out dynamic model 1 part; dynamic model 1 is positioned at worm screw 7 stretch out place and arrange protective device; the mode increasing protective sleeve 10 is adopted to realize this function in the present embodiment; protective sleeve 10 is threaded connection on the annular boss 15 that is detachably arranged on and is welded on dynamic model 1, and certain protective sleeve 10 can also adopt buckle connected mode to match with annular boss 15.
Claims (6)
1. an injection mold, comprise dynamic model, cover half and the sprue being arranged on dynamic model and cover half center, described dynamic model is provided with some cores, described cover half is provided with the die cavity matched with core, described core and die cavity form shaping area, runner is provided with between described die cavity and sprue, described die cavity is provided with cast gate near the side of runner, be connected by cast gate between die cavity with runner, described dynamic model is provided with the control device controlling cast gate and open and close, it is characterized in that: described dynamic model is positioned at below runner and is provided with sliding tray, slide block is provided with in described sliding tray, described slide block can be conflicted with cover half surface and is connected, described slide block side and runner import align, described slide block is hinged with connecting rod and hinged place is positioned on slide block axis, worm gear is provided with below described slide block, described connecting rod and the hinged other end bias of slide block be articulated with on worm gear side, described dynamic model is provided with worm screw, described worm screw one end is meshed with worm gear, the other end stretches out dynamic model and is positioned at dynamic model outside.
2. injection mold according to claim 1, is characterized in that: be provided with cavity in described slide block, is provided with pitman shaft in described cavity, and described connecting rod is sheathed on pitman shaft.
3. injection mold according to claim 1, is characterized in that: be provided with limited block in described sliding tray, and described slide block is provided with the groove matched with limited block.
4. injection mold according to claim 1, is characterized in that: described dynamic model outward flange is provided with the protective device matched with worm screw, and described worm screw stretches out dynamic model partial fixing and is provided with hexagon projection.
5. injection mold according to claim 1, is characterized in that: described sliding tray inwall is provided with some sealing rings.
6. injection mold according to claim 4; it is characterized in that: described protective device comprises protective sleeve and is fixedly arranged on the annular boss on dynamic model; described worm screw is arranged in annular boss; described boss outer circumference surface is provided with external screw thread, is provided with the internal thread matched with external screw thread in described protective sleeve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420487923.XU CN204019889U (en) | 2014-08-27 | 2014-08-27 | Injection mold |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420487923.XU CN204019889U (en) | 2014-08-27 | 2014-08-27 | Injection mold |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204019889U true CN204019889U (en) | 2014-12-17 |
Family
ID=52059796
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420487923.XU Expired - Fee Related CN204019889U (en) | 2014-08-27 | 2014-08-27 | Injection mold |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204019889U (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106891491A (en) * | 2016-12-26 | 2017-06-27 | 浙江工商职业技术学院 | A kind of secondary slide block mechanism for the demoulding |
| CN109572623A (en) * | 2018-11-08 | 2019-04-05 | 泉州台商投资区长芳设计有限公司 | A kind of vehicle glass liquid of rainwater recycling prepares automatic filling device |
| FR3088847A1 (en) * | 2018-11-28 | 2020-05-29 | Runipsys Europe | CONTROL SYSTEM FOR A SHUTTER OF A PLASTIC INJECTION SYSTEM |
| WO2020242510A1 (en) * | 2019-05-28 | 2020-12-03 | Synventive Molding Solutions, Inc. | Partially rotated eccentric drive for valve pin |
| CN113059122A (en) * | 2021-03-25 | 2021-07-02 | 保定联想铸造有限公司 | Precoated sand shell type casting mold and process |
| US11186020B2 (en) | 2015-03-20 | 2021-11-30 | Synventive Molding Solutions, Inc. | Actuator with eccentric pin drive |
| US11673305B2 (en) | 2015-03-20 | 2023-06-13 | Synventive Molding Solutions, Inc. | Partially rotated eccentric drive for valve pin |
-
2014
- 2014-08-27 CN CN201420487923.XU patent/CN204019889U/en not_active Expired - Fee Related
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US11186020B2 (en) | 2015-03-20 | 2021-11-30 | Synventive Molding Solutions, Inc. | Actuator with eccentric pin drive |
| US11673305B2 (en) | 2015-03-20 | 2023-06-13 | Synventive Molding Solutions, Inc. | Partially rotated eccentric drive for valve pin |
| CN106891491A (en) * | 2016-12-26 | 2017-06-27 | 浙江工商职业技术学院 | A kind of secondary slide block mechanism for the demoulding |
| CN106891491B (en) * | 2016-12-26 | 2019-04-05 | 浙江工商职业技术学院 | A kind of secondary slide block mechanism for demoulding |
| CN109572623A (en) * | 2018-11-08 | 2019-04-05 | 泉州台商投资区长芳设计有限公司 | A kind of vehicle glass liquid of rainwater recycling prepares automatic filling device |
| FR3088847A1 (en) * | 2018-11-28 | 2020-05-29 | Runipsys Europe | CONTROL SYSTEM FOR A SHUTTER OF A PLASTIC INJECTION SYSTEM |
| WO2020109719A1 (en) * | 2018-11-28 | 2020-06-04 | Runipsys Europe | System for controlling a shutter of a plastic material injection system |
| WO2020242510A1 (en) * | 2019-05-28 | 2020-12-03 | Synventive Molding Solutions, Inc. | Partially rotated eccentric drive for valve pin |
| CN114025936A (en) * | 2019-05-28 | 2022-02-08 | 圣万提注塑工业（苏州）有限公司 | Partial rotation eccentric drive for valve pin |
| CN114025936B (en) * | 2019-05-28 | 2022-11-29 | 圣万提注塑工业（苏州）有限公司 | Partial rotation eccentric drive for valve pin |
| CN113059122A (en) * | 2021-03-25 | 2021-07-02 | 保定联想铸造有限公司 | Precoated sand shell type casting mold and process |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder | ||
| CP01 | Change in the name or title of a patent holder |
Address after: No. 818, Second Ring Road, Huangyan District, Taizhou, Zhejiang Patentee after: TAIZHOU HUANGYAN HONGQI PLASTIC MOULD Co.,Ltd. Address before: No. 818, Second Ring Road, Huangyan District, Taizhou, Zhejiang Patentee before: Taizhou Huangyan Hongqi Plastic Mold Co.,Ltd. |
|
| CP03 | Change of name, title or address | ||
| CP03 | Change of name, title or address |
Address after: No. 818, Second Ring Road, Huangyan District, Taizhou, Zhejiang Patentee after: Taizhou Huangyan Hongqi Plastic Mold Co.,Ltd. Address before: No. 818, Huangyan Second Ring Road, Huangyan, Taizhou, Zhejiang Patentee before: ZHEJIANG HUANGYAN HONGQI PLASTIC MOULD FACTORY |
|
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20141217 Termination date: 20180827 |