CN2770934Y - Injection mould capable of automatically removing needle-point gate condensed material - Google Patents
Injection mould capable of automatically removing needle-point gate condensed material Download PDFInfo
- Publication number
- CN2770934Y CN2770934Y CN 200520033737 CN200520033737U CN2770934Y CN 2770934 Y CN2770934 Y CN 2770934Y CN 200520033737 CN200520033737 CN 200520033737 CN 200520033737 U CN200520033737 U CN 200520033737U CN 2770934 Y CN2770934 Y CN 2770934Y
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- China
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- plate
- cavity plate
- mould
- fixed mould
- cover half
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- Expired - Fee Related
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Abstract
The utility model relates to an injection mould capable of automatically removing a needle-point gate condensed material, which comprises a fixed mould plate, a fixed mould cavity plate and a movable mould plate, wherein the fixed mould plate and the fixed mould cavity plate are guided and spaced by a draw rod and a guide post; the fixed mould cavity plate and the movable mould plate are guided by the guide post; a compression spring is arranged on the draw rod; the fixed mould cavity plate is provided with a through hole which is matched with a material draw rod and is provided with a condensed material well; the end part of the material draw rod is provided with a spherical head; the tail end of a flow division passage of the fixed mould plate is provided with a side concave. Because the utility model utilizes the spacing and parting action of a fixed mould to complete the automatic mould removal of a pouring system, a plastic piece and the gate condensed material can be pulled off automatically. Through the combined action of the spherical material draw rod which is designed at the side of the movable mould and the condensed material well of the fixed mould cavity plate, and by utilizing the subtype of the movable mould and the fixed mould to cause the fixed mould cavity plate to play the action of a gate push plate, the automatic removal of the condensed material of the pouring system is realized. The manual operation is reduced, and the degree of the automation for injection moulding and producing plastic pieces is improved.
Description
Technical field
The utility model relates to the improvement technology of injection molding, is specifically related to a kind of injection molding that pin gate coagulates material of deviating from automatically, belongs to the mould field of engineering technology.
Background technology
In the prior art, realize separating automatically of cast gate and plastic owing to have the injection mould prodigiosin of pin gate, the production efficiency height, automaticity height, but mould structure complexity, design, manufacturing cycle are long, and the die cost height is restricted its application.As shown in Figure 1, for typical two die joint injection mould structure schematic diagrames, be to utilize the runner push pedal to break the structure of a cast gate.It comprises solid plate 01, cover half cavity plate 02, moving platen 03 and runner push pedal 04 etc., owing to adopt runner push pedal 04, has increased a die joint, and pull bar 05 is made up of two parts that stop screw 08 connects different-diameter.06 is the runner pull bar among the figure, the 07th, and arm-tie.Therefore, make mould structure complicated, simultaneously, also increased manufacturing cost; And plastic can't fall automatically, and the automaticity of the demoulding is not high.
Fig. 2 utilizes the recessed cast gate of breaking of side to coagulate the injection mould structure schematic diagram of expecting.It comprises solid plate 01, cover half cavity plate 02 and moving platen 03 etc., and 09 is center push rod among the figure, the 010th, and runner inclined hole, the 011st, runner, the 012nd, spring, the 013rd, a cast gate, the 014th, sprue.From figure as can be known, the center push rod 09 of this structure is long especially, does not match with the push rod of general injector, because the push rod of general injector does not reach such length.Therefore, the mould versatility of this structure is poor, and must improve the structure of injector could supporting use.
The utility model content
At the prior art above shortcomings, the purpose of this utility model provides a kind of cover half cavity plate that makes and plays cast gate push pedal effect, simplify mould structure, make pin gate coagulate material and deviate from automatically, the injection molding that pin gate coagulates material is deviate from action more reliably automatically.
The purpose of this utility model is achieved in that a kind of injection molding that pin gate coagulates material of deviating from automatically, comprises solid plate, cover half cavity plate and moving platen, and solid plate and cover half cavity plate are established the compression spring by pull bar, guide pillar guiding and spacing on pull bar; Cover half cavity plate, moving platen are led by guide pillar; Moving platen is provided with sprue puller, and its end is provided with ballhead; Sprue puller passes the through hole that the cover half cavity plate is provided with slag well; The end of solid plate runner is provided with inclined hole.
The axis of sprue that further improves the axis that is described through hole and solid plate is on same straight line path.
The effective length L of described guide pillar
1Effective length L greater than sprue puller
2
The utility model makes plastic and cast gate expect automatic breaking with fixed attention owing to utilize the spacing somatotype of cover half to move the automatic demoulding of finishing running gate system; The acting in conjunction of spherical sprue puller and cover half cavity plate slag well is designed on the dynamic model limit, utilizes somatotype moving, cover half to make the cover half cavity plate play the effect of cast gate push pedal, realizes running gate system deviating from automatically of material with fixed attention; The utility model reduces manually-operated, improves the automaticity that plastic injection moulding is produced; Mold actions is more reliable, satisfies the full-automatic needs of producing.And the mould that uses this structure do not need the structure of injector is carried out any improvement, has characteristics such as mould structure is simple, cost is low, the manufacturing cycle is short.The pin gate mould that is particularly useful for many types of chamber.
Description of drawings
Fig. 1, Fig. 2 are the structural representations of existing pin gate mould.
Fig. 3 is a structural representation of the present utility model.
The specific embodiment
As shown in Figure 3, deviate from the injection molding that pin gate coagulates material automatically, comprise solid plate 1, cover half cavity plate 2, moving platen 3, solid plate 1 and cover half cavity plate 2 are by pull bar 4 and guide pillar 5 spacing and guiding, design compression spring 14 on pull bar 4; Cover half cavity plate 2, moving platen 3 are established the through hole 19 that sprue puller 6 passes cover half cavity plate 2 band slag wells 11 by guide pillar 5 and guide pillar 7 guiding on the moving platen 3; Sprue puller 6 ends are provided with ballhead 8; The sprue 10 of through hole 19 and solid plate 1 is on same straight line path.Bore the side hole 9 that concaves at the end of solid plate 1 runner.
Among the figure: the 12nd, running channel coagulates material, the 13rd, plastic, the 15th, die cavity, the 16th, push rod, the 17th, cast gate, the 18th, core.
Its demoulding principle is: during (1) mould die sinking, fixed clamping plate 1 and cover half cavity plate 2 somatotype at first under the effect of spring 14 elastic force, solid plate 1 and cover half cavity plate 2 are made the spacing somatotype, and its somatotype distance is designed to conveniently to take out pin gate and expects required width with fixed attention.
(2) when the firm somatotype of cover half, running gate system expects that with fixed attention 12 can not move by inclined hole 9 interior obstructions of coagulating material, at this moment, running channel expects that with fixed attention 12 break at smallest cross-sectional place cast gate 17 with plastic, cast gate expects that with fixed attention 12 deviate from the running channel that cover half cavity plate 2 stays solid plate 1, still stays on the cover half cavity plate 2 but cast gate coagulates slag well 11 parts of material.
(3) along with the continuation somatotype of cover half, because 6 pairs of slag wells of spherical sprue puller 11 coagulate the restriction of material, its resistance is greater than the concave resistance in hole 9 of runner side, spherical sprue puller 6 expects with fixed attention that with running channel 12 all pull out from the runner of solid plate 1, do not deviate from cavity plate 2 yet because slag well coagulates material, running channel expects that with fixed attention 12 is mobile with cover half cavity plate 2.
(4) when the shaft shoulder of pull bar 4 contacts with the step of cover half cavity plate 2 because the restriction of pull bar 4, the spacing somatotype of cover half be cavity plate 2 with solid plate 1 separate the constipation bundle.Injector continues die sinking, and mould is just by dynamic model and cover half somatotype, and promptly from cavity plate 2 and moving platen 3 punishment types, plastic 13 is deviate from die cavity 15 and stayed on the core 18 of dynamic model.
(5) be fixed on the dynamic model 3 owing to spherical sprue puller 6, slag well 11 is located on the cover half cavity plate 2, cover half cavity plate 2 is separated with moving platen 3 during the active and inactive mold somatotype, be that cover half cavity plate 2 is separated with spherical sprue puller 6, under the effect of cover half cavity plate 2, slag well is coagulated material scrape off from spherical sprue puller 6 forcibly, running gate system is coagulated material and can automatically be fallen.At this moment, cover half cavity plate 2 has played the effect of running channel push pedal.
(6) mould continues somatotype, and dynamic model continues to retreat, and when the injector push rod contacted with the mould push pedal, the mould ejecting mechanism was forbidden motionless with respect to dynamic model, and push rod 16 pushes away on plastic, and plastic 13 is released the demoulding of realization plastic from core.
For the pin gate mould in many types of chamber, running gate system must design runner, in the design of pin gate running gate system automatic demoulding mechanism, utilizes these necessary structures by improvement, realizes automatic demoulding.
The problem that the utility model type should be noted in using:
1. because the sprue puller diameter is less; length is longer; sprue puller has the requirement of cooperation again with the hole of intermediate plate; therefore, the guiding mechanism between the active and inactive mold not only will be protected core and die cavity, also will protect sprue puller; when preventing matched moulds; sprue puller is fractureed, and causes mould to damage, the effective depth L of the guide pillar 7 between moving, cover half
1Should be greater than the height L of sprue puller 6
2
2. general, the monotype chamber pin gate mould with respect to the nozzle-axis symmetric arrangement does not generally adopt sprue puller; Have only the mould in many types of chamber just to design sprue puller.Therefore, this mould structure is applicable to the pin gate injection molding in many types of chamber.
3. because running gate system is coagulated material when the demoulding, certain deformation take place, therefore, this mould structure is applicable to have certain flexible plastics variety under forming temperature.
Claims (3)
1, deviates from the injection molding that pin gate coagulates material automatically, comprise solid plate (1), cover half cavity plate (2) and moving platen (3), it is characterized in that solid plate (1) and cover half cavity plate (2) by pull bar (4), guide pillar (5) guiding and spacing, establish and compress spring (14) on pull bar (4); Cover half cavity plate (2), moving platen (3) are by guide pillar (7) guiding, and moving platen (3) is provided with sprue puller (6), and its end is provided with ballhead (8); Sprue puller (6) passes the through hole (19) that cover half cavity plate (2) is provided with slag well (11); The end of solid plate (1) runner is provided with inclined hole (9).
2, injection molding according to claim 1, the axis of sprue (10) that it is characterized in that the axis of described through hole (19) and solid plate (1) is on same straight line path.
3, injection molding according to claim 1 and 2 is characterized in that the effective length L2 of the effective length L1 of described lead (7) greater than sprue puller (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200520033737 CN2770934Y (en) | 2005-03-29 | 2005-03-29 | Injection mould capable of automatically removing needle-point gate condensed material |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200520033737 CN2770934Y (en) | 2005-03-29 | 2005-03-29 | Injection mould capable of automatically removing needle-point gate condensed material |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2770934Y true CN2770934Y (en) | 2006-04-12 |
Family
ID=36704720
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200520033737 Expired - Fee Related CN2770934Y (en) | 2005-03-29 | 2005-03-29 | Injection mould capable of automatically removing needle-point gate condensed material |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2770934Y (en) |
Cited By (17)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101954718A (en) * | 2010-06-19 | 2011-01-26 | 凡嘉科技（无锡）有限公司 | Hook needle structure for soft plastic cement flow channel |
| CN101961908A (en) * | 2010-11-01 | 2011-02-02 | 天津市中环三峰电子有限公司 | Carrier rod type gate for injection mold |
| CN102092120A (en) * | 2009-11-24 | 2011-06-15 | 精工精密株式会社 | Injection molding die device |
| CN102259413A (en) * | 2011-06-24 | 2011-11-30 | 阳恒 | Mold for automatically cutting water port in mold of common injection molding machine through cold pulling |
| CN102320108A (en) * | 2011-08-11 | 2012-01-18 | 思柏精密模具注塑（无锡）有限公司 | Precision mould for main component of toner cartridge |
| CN102371659A (en) * | 2010-08-17 | 2012-03-14 | 佛山市顺德区汉达精密电子科技有限公司 | Ejector mechanism able to reduce die thickness |
| CN102653123A (en) * | 2012-05-07 | 2012-09-05 | 常州工学院 | Point pouring gate injection mould capable of automatically pushing out condensed materials |
| CN102886873A (en) * | 2012-10-22 | 2013-01-23 | 台州市凯华塑业有限公司 | Mechanism for snapping pin-point gate through stationary mold push plate for injection mold |
| CN103128924A (en) * | 2013-03-05 | 2013-06-05 | 北京化工大学常州先进材料研究院 | Fixed die compressible die |
| CN103128931A (en) * | 2011-11-28 | 2013-06-05 | 马斯特模具（昆山）有限公司 | Novel pouring mold |
| CN103465443A (en) * | 2013-09-24 | 2013-12-25 | 苏州多贝机械科技有限公司 | Die core |
| CN103707455A (en) * | 2012-11-25 | 2014-04-09 | 安徽工程大学 | Medical EVA inner bottle cap injection molding technology and die thereof |
| CN105881819A (en) * | 2014-10-17 | 2016-08-24 | 宁波东昊汽车部件有限公司 | Automatic stripping apparatus for pin point gate injection mold |
| CN107009581A (en) * | 2017-05-24 | 2017-08-04 | 苏州工业职业技术学院 | It is a kind of to realize the injection mold that spot pouring mouth waste material safely, conveniently comes off |
| CN107650344A (en) * | 2017-09-19 | 2018-02-02 | 嘉善强锐五金制品厂（普通合伙） | Injection machine used in one kind production resin button |
| CN111890640A (en) * | 2019-05-24 | 2020-11-06 | 天津职业技术师范大学(中国职业培训指导教师进修中心) | Five-point and three-horn combined injection mold core, three-plate mold and method for preparing plastic part product by using three-horn combined injection mold core |
| CN112659477A (en) * | 2020-11-27 | 2021-04-16 | 扬昕科技(苏州)有限公司 | Injection molding die |
-
2005
- 2005-03-29 CN CN 200520033737 patent/CN2770934Y/en not_active Expired - Fee Related
Cited By (22)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102092120A (en) * | 2009-11-24 | 2011-06-15 | 精工精密株式会社 | Injection molding die device |
| CN101954718A (en) * | 2010-06-19 | 2011-01-26 | 凡嘉科技（无锡）有限公司 | Hook needle structure for soft plastic cement flow channel |
| CN102371659A (en) * | 2010-08-17 | 2012-03-14 | 佛山市顺德区汉达精密电子科技有限公司 | Ejector mechanism able to reduce die thickness |
| CN101961908A (en) * | 2010-11-01 | 2011-02-02 | 天津市中环三峰电子有限公司 | Carrier rod type gate for injection mold |
| CN102259413A (en) * | 2011-06-24 | 2011-11-30 | 阳恒 | Mold for automatically cutting water port in mold of common injection molding machine through cold pulling |
| CN102259413B (en) * | 2011-06-24 | 2013-11-06 | 阳恒 | Mold for automatically cutting water port in mold of common injection molding machine through cold pulling |
| CN102320108A (en) * | 2011-08-11 | 2012-01-18 | 思柏精密模具注塑（无锡）有限公司 | Precision mould for main component of toner cartridge |
| CN102320108B (en) * | 2011-08-11 | 2012-06-13 | 思柏精密模具注塑（无锡）有限公司 | Precision mould for main component of toner cartridge |
| CN103128931A (en) * | 2011-11-28 | 2013-06-05 | 马斯特模具（昆山）有限公司 | Novel pouring mold |
| CN102653123A (en) * | 2012-05-07 | 2012-09-05 | 常州工学院 | Point pouring gate injection mould capable of automatically pushing out condensed materials |
| CN102653123B (en) * | 2012-05-07 | 2014-04-09 | 常州工学院 | Point pouring gate injection mould capable of automatically pushing out condensed materials |
| CN102886873A (en) * | 2012-10-22 | 2013-01-23 | 台州市凯华塑业有限公司 | Mechanism for snapping pin-point gate through stationary mold push plate for injection mold |
| CN103707455B (en) * | 2012-11-25 | 2016-02-03 | 安徽工程大学 | Bottle cap injection molding process and mould in a kind of medical EVA |
| CN103707455A (en) * | 2012-11-25 | 2014-04-09 | 安徽工程大学 | Medical EVA inner bottle cap injection molding technology and die thereof |
| CN103128924A (en) * | 2013-03-05 | 2013-06-05 | 北京化工大学常州先进材料研究院 | Fixed die compressible die |
| CN103465443A (en) * | 2013-09-24 | 2013-12-25 | 苏州多贝机械科技有限公司 | Die core |
| CN105881819A (en) * | 2014-10-17 | 2016-08-24 | 宁波东昊汽车部件有限公司 | Automatic stripping apparatus for pin point gate injection mold |
| CN107009581A (en) * | 2017-05-24 | 2017-08-04 | 苏州工业职业技术学院 | It is a kind of to realize the injection mold that spot pouring mouth waste material safely, conveniently comes off |
| CN107650344A (en) * | 2017-09-19 | 2018-02-02 | 嘉善强锐五金制品厂（普通合伙） | Injection machine used in one kind production resin button |
| CN111890640A (en) * | 2019-05-24 | 2020-11-06 | 天津职业技术师范大学(中国职业培训指导教师进修中心) | Five-point and three-horn combined injection mold core, three-plate mold and method for preparing plastic part product by using three-horn combined injection mold core |
| CN112659477A (en) * | 2020-11-27 | 2021-04-16 | 扬昕科技(苏州)有限公司 | Injection molding die |
| CN112659477B (en) * | 2020-11-27 | 2022-02-11 | 扬昕科技(苏州)有限公司 | Injection molding die |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |