CN103909630B - Ejector sleeve ejecting mechanism - Google Patents

Ejector sleeve ejecting mechanism Download PDF

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Publication number
CN103909630B
CN103909630B CN201310000444.0A CN201310000444A CN103909630B CN 103909630 B CN103909630 B CN 103909630B CN 201310000444 A CN201310000444 A CN 201310000444A CN 103909630 B CN103909630 B CN 103909630B
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CN
China
Prior art keywords
briquetting
sleeve
ejector
ejecting mechanism
plate
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Application number
CN201310000444.0A
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Chinese (zh)
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CN103909630A (en
Inventor
吴永兴
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Mitac Precision Technology Kunshan Ltd
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Mitac Precision Technology Kunshan Ltd
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Priority to CN201310000444.0A priority Critical patent/CN103909630B/en
Publication of CN103909630A publication Critical patent/CN103909630A/en
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Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C45/00Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
    • B29C45/17Component parts, details or accessories; Auxiliary operations
    • B29C45/40Removing or ejecting moulded articles
    • B29C45/4005Ejector constructions; Ejector operating mechanisms

Abstract

A kind of ejector sleeve ejecting mechanism, comprising: a bottom plate, a mandril, a jacking block, one first briquetting, one second briquetting, a third briquetting, an ejector sleeve, the ejector sleeve is placed in third briquetting side, the ejector sleeve includes a sleeve, the sleeve one end is in contact with first briquetting, the other end withstands product post holes, and an ejector pin is equipped in the sleeve, and the end which is placed in the second briquetting is in contact with the third briquetting;And a contour screw, the contour screw one end are placed in the male template, the other end is placed in second briquetting.Ejector sleeve ejecting mechanism of the invention, pass through the first briquetting of setting, the second briquetting and third briquetting, sleeve is fixed on liftout plate, and ejector pin is set in the second briquetting, when die sinking, upper ejector plate and lower liftout plate are moved to the line of production, and sleeve moves to the line of production and ejects product smoothly, the ejector sleeve ejecting mechanism, which is realized, is arranged ejector sleeve in jogger hole side, and demoulds product smoothly.

Description

Ejector sleeve ejecting mechanism
[technical field]
The present invention relates to a kind of ejector sleeve ejecting mechanisms, more particularly to a kind of ejector sleeve ejecting mechanism applied in mold.
[background technique]
Mold is the tool for formed article, and this tool is made of various parts, and different molds is by different zero Part is constituted, it mainly realizes the processing of article shape by the change of physical state of the formed material, in the system of plastic mould It during making, many times needs in post holes is arranged on product, for this kind of product, needs to be arranged on the ejecting mechanism of mold One ejector sleeve, ejector sleeve are one used by one kind must be ejected for product equipped with circular through-hole or blind hole, and glue position Kind ejection accessory, ejector sleeve are made of sleeve and ejector pin, and usual sleeve is on liftout plate, and ejector pin is on bottom plate.
Referring to Fig. 1, it is the diagrammatic cross-section of existing ejecting mechanism, if to pacify on the ejecting mechanism of existing mold An ejector sleeve 20 is filled, since the bottom plate 12 of the mechanism is equipped with a jogger hole 10, and is equipped with a mandril 11 in the jogger hole 10, Then ejector pin 202 can be interfered with mandril 11, cause ejector pin 202 that can not be fixed on bottom plate 12, be opened in mold When, since the post holes 13 of product 14 can not be ejected, cause product 14 that cannot smoothly demould.
In view of this, the ejector sleeve ejecting mechanism is able to solve above-mentioned technology it is really necessary to provide a kind of ejector sleeve ejecting mechanism Present in jogger hole side ejector sleeve can not be set and the problem of so that product stripping is had some setbacks.
[summary of the invention]
Therefore, the purpose of the present invention is to provide a kind of ejector sleeve ejecting mechanism, the ejector sleeve ejecting mechanism be able to solve it is above-mentioned by In in jogger hole side ejector sleeve can not be set and the problem of so that product stripping is had some setbacks.
In order to achieve the above object, ejector sleeve ejecting mechanism of the invention is equipped in the mold of post holes applied to product, should Mold includes a caster, a male template, a mother module core, a male die core, a upper ejector plate and once liftout plate, the ejector sleeve eject Mechanism includes:
One bottom plate, the bottom plate are placed in the lower liftout plate side, and it is perforative that one is equipped in the bottom plate Jogger hole;
One mandril, the mandril are placed in the jogger hole;
One jacking block, the jacking block one end are in contact with the mandril, and the other end is equipped with a sliding groove;
One first briquetting, first briquetting are placed in the sliding groove, first briquetting and the upper ejector plate or under Liftout plate is connected;
One second briquetting, second briquetting are placed in the sliding groove, and second briquetting is placed in first briquetting one Side;
One third briquetting, the third briquetting are placed in the sliding groove, and the third briquetting is connected with second briquetting;
One ejector sleeve, is placed in third briquetting side, which includes a sleeve, the sleeve one end and first pressure Block is in contact, and the other end withstands the post holes of product, and an ejector pin is equipped in the sleeve, which withstands product, separately One end is placed in second briquetting, and the end that ejector pin is placed in the second briquetting is in contact with the third briquetting;And
One contour screw, the contour screw one end are placed in the male template, and the other end is placed in second briquetting, and The end that contour screw is placed in the second briquetting is in contact with the third briquetting.
Preferably, being equipped at least one perforative through-hole in the jacking block, a fastener is equipped in the through-hole, which will Jacking block is connected with the lower liftout plate.
Preferably, the fastener is screw.
Preferably, the jacking block is U-shaped.
Preferably, the end that the sleeve is in contact with the first pressing plate is T-shaped.
Preferably, the end that the ejector pin is in contact with third pressing plate is T-shaped.
Compared to the prior art, ejector sleeve ejecting mechanism of the invention, by jogger hole side be arranged a sliding groove, and in One first briquetting of setting, the second briquetting and third briquetting, sleeve are fixed on upper ejector plate or lower liftout plate in the sliding groove, And ejector pin is set in the second briquetting, when mold die sinking, upper ejector plate and lower liftout plate due to the active force by mandril to The line of production movement, cause sleeve to move to the line of production and eject product smoothly, the ejector sleeve ejecting mechanism realize in Ejector sleeve is arranged in jogger hole side, and demoulds product smoothly.
[Detailed description of the invention]
Fig. 1 is painted the diagrammatic cross-section of existing ejecting mechanism.
Fig. 2 is painted diagrammatic cross-section when ejector sleeve ejecting mechanism of the present invention molding.
Fig. 3 is painted diagrammatic cross-section when ejector sleeve ejecting mechanism of the present invention die sinking.
[specific embodiment]
Fig. 2 and Fig. 3 are please referred to, wherein Fig. 2 is diagrammatic cross-section when ejector sleeve ejecting mechanism of the present invention molds, and Fig. 3 is this Diagrammatic cross-section when invention ejector sleeve ejecting mechanism is opened.
Ejector sleeve ejecting mechanism of the invention is applied to product 100 and is equipped in the mold of post holes 101, which includes One caster 102, a male template 103, a mother module core 104, a male die core 105, a upper ejector plate 106 and once liftout plate 107, In this present embodiment, which includes:
One bottom plate 108, the bottom plate 108 are placed in 107 side of lower liftout plate, and in the bottom plate 108 Equipped with a jogger hole 109;
One mandril 110, the mandril 110 are placed in the jogger hole 109;
One jacking block 111,111 one end of jacking block are in contact with the mandril 110, and the other end is equipped with a sliding groove 112, and should At least one perforative through-hole 118 is equipped in jacking block 111, in this present embodiment, there are two run through referring to Fig. 2, setting in jacking block 111 Through-hole 118, be equipped with a fastener 119 in the through-hole 118, the fastener 119 is by jacking block 111 and lower 107 phase of liftout plate Connection, in this present embodiment, the fastener 119 are a screw, and the jacking block 111 is U-shaped;
One first briquetting 113, first briquetting 113 are placed in the sliding groove 112;
One second briquetting 114, second briquetting 114 are placed in the sliding groove 112, and second briquetting 114 is placed in institute State 113 side of the first briquetting;
One third briquetting 115, the third briquetting 115 are placed in the sliding groove 112, and the third briquetting 115 with it is described Second briquetting 114 is connected;
One ejector sleeve 116, is placed in 115 side of third briquetting, which includes a sleeve 1161, the sleeve 1161 one end are in contact with first briquetting 113, and the other end withstands the post holes 101 of product 100, and is equipped in the sleeve 1161 Product 100 is withstood in one ejector pin 1162,1162 one end of ejector pin, and the other end is placed in second briquetting 114, and ejector pin 1162 ends being placed in the second briquetting 114 are in contact with the third briquetting 115;And
One contour screw 117, contour 117 one end of screw are placed in the male template 103, and the other end is placed in described second In briquetting 114, and the end that contour screw 117 is placed in the second briquetting 114 is in contact with the third briquetting 115.
In this present embodiment, the end that the sleeve 1161 is in contact with the first pressing plate 113 is T-shaped.
In this present embodiment, the end that the ejector pin 1162 is in contact with third pressing plate 115 is T-shaped.
In this present embodiment, referring to Fig. 3, motion process of ejector sleeve ejecting mechanism when mold is opened are as follows: male model exists The pulling force effect of injection molding machine is moved to the direction far from product 100, slack when male model moves to the position of setting, is connect , mandril 110 is moved to the direction of product 100, and jacking block 111 is because being started the direction toward product 100 by the active force of mandril 110 Movement, meanwhile, jacking block 111 will drive upper ejector plate 106 and lower liftout plate 107 to do movement in the same direction together, due to contour screw 117 Second briquetting 114 is fixedly connected with male template 103 across the first briquetting 113, and the second briquetting 114 and 115 phase of third briquetting Connection, causes the second briquetting 114 and third briquetting 115 that lower liftout plate 107 will not be followed to move together, and ejector pin 1162 It will not move;In addition, when active force of first briquetting 113 by jacking block 111, due to the first briquetting 113 and upper ejector plate 106 It is connected, and 1161 one end of sleeve is in contact with first briquetting 113, the other end withstands the post holes 101 of product 100, then First briquetting 113 will be moved with moving sleeve 1161 to 101 direction of post holes of product 100, effect of the post holes 101 by sleeve 1161 Power will be disengaged from ejector pin 1162, demould product 100 smoothly, and then, mold clamping simultaneously starts injection molding product next time 100。
Compared to the prior art, ejector sleeve ejecting mechanism of the invention, by the way that a sliding groove is arranged in 109 side of jogger hole 112, and in one first briquetting 113, the second briquetting 114 and third briquetting 115 are arranged in the sliding groove 112, sleeve 1161 is fixed In on upper ejector plate 106 or lower liftout plate 107, and ejector pin 1162 is set in the second briquetting 114, when mold die sinking, on Liftout plate 106 and lower liftout plate 107 since the active force by mandril 110 is moved to 100 direction of product, cause sleeve 1161 to 100 direction of product moves and ejects product 100 smoothly, which realizes is arranged in 109 side of jogger hole Ejector sleeve 116, and demould product 100 smoothly.

Claims (5)

1. a kind of ejector sleeve ejecting mechanism is equipped in the mold of post holes applied to product, which includes a caster, a male model Plate, a mother module core, a male die core, a upper ejector plate and once liftout plate, which is characterized in that the ejector sleeve ejecting mechanism includes:
One bottom plate, which is placed in the lower liftout plate side, and a perforative mandril is equipped in the bottom plate Hole;
One mandril, the mandril are placed in the jogger hole;
One jacking block, the jacking block one end are in contact with the mandril, and the other end is equipped with a sliding groove, are equipped at least one in the jacking block Perforative through-hole, the through-hole is interior to be equipped with a fastener, which is connected jacking block with the lower liftout plate;
One first briquetting, first briquetting are placed in the sliding groove, first briquetting and the upper ejector plate or lower ejection Plate is connected;
One second briquetting, second briquetting are placed in the sliding groove, and second briquetting is placed in first briquetting side;
One third briquetting, the third briquetting are placed in the sliding groove, and the third briquetting is connected with second briquetting;
One ejector sleeve, is placed in third briquetting side, which includes a sleeve, the sleeve one end and the first briquetting phase Contact, the other end withstands the post holes of product, and an ejector pin is equipped in the sleeve, which withstands product, the other end It is placed in second briquetting, and the end that ejector pin is placed in the second briquetting is in contact with the third briquetting;And
One contour screw, the contour screw one end are placed in the male template, and the other end is placed in second briquetting, and contour The end that screw is placed in the second briquetting is in contact with the third briquetting.
2. ejector sleeve ejecting mechanism according to claim 1, which is characterized in that the fastener is screw.
3. ejector sleeve ejecting mechanism according to claim 1, which is characterized in that the jacking block is U-shaped.
4. ejector sleeve ejecting mechanism according to claim 1, which is characterized in that the sleeve is in contact with first briquetting The end it is T-shaped.
5. ejector sleeve ejecting mechanism according to claim 1, which is characterized in that the ejector pin connects with the third briquetting The end of touching is T-shaped.
CN201310000444.0A 2013-01-03 2013-01-03 Ejector sleeve ejecting mechanism Active CN103909630B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201310000444.0A CN103909630B (en) 2013-01-03 2013-01-03 Ejector sleeve ejecting mechanism

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Application Number Priority Date Filing Date Title
CN201310000444.0A CN103909630B (en) 2013-01-03 2013-01-03 Ejector sleeve ejecting mechanism

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Publication Number Publication Date
CN103909630A CN103909630A (en) 2014-07-09
CN103909630B true CN103909630B (en) 2018-12-04

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Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109159335B (en) * 2018-09-12 2020-11-27 墙煌新材料股份有限公司 Deep cavity plastic part ejector sleeve backflushing limiting anti-whitening injection mold ejection device
CN112519124A (en) * 2020-11-16 2021-03-19 内蒙古农业大学 Injection mould device

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20060081248A (en) * 2005-01-07 2006-07-12 엘지전자 주식회사 A mould assembly
CN200960706Y (en) * 2006-10-31 2007-10-17 佛山市顺德区汉达精密电子科技有限公司 Die with secondary liftout mechanism
CN201136254Y (en) * 2007-10-31 2008-10-22 佛山市顺德区汉达精密电子科技有限公司 Die with sleeving thimble mechanism
CN203092972U (en) * 2013-01-03 2013-07-31 汉达精密电子(昆山)有限公司 Ejector sleeve ejection mechanism

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE0201403D0 (en) * 2002-05-08 2002-05-08 Hans Mueller Device for subsequent two-stage extruders of the built-in type

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20060081248A (en) * 2005-01-07 2006-07-12 엘지전자 주식회사 A mould assembly
CN200960706Y (en) * 2006-10-31 2007-10-17 佛山市顺德区汉达精密电子科技有限公司 Die with secondary liftout mechanism
CN201136254Y (en) * 2007-10-31 2008-10-22 佛山市顺德区汉达精密电子科技有限公司 Die with sleeving thimble mechanism
CN203092972U (en) * 2013-01-03 2013-07-31 汉达精密电子(昆山)有限公司 Ejector sleeve ejection mechanism

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