CN201913735U - Angle ejector push-out mechanism - Google Patents

Angle ejector push-out mechanism Download PDF

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Publication number
CN201913735U
CN201913735U CN2010206455065U CN201020645506U CN201913735U CN 201913735 U CN201913735 U CN 201913735U CN 2010206455065 U CN2010206455065 U CN 2010206455065U CN 201020645506 U CN201020645506 U CN 201020645506U CN 201913735 U CN201913735 U CN 201913735U
Authority
CN
China
Prior art keywords
oblique
needle stand
ejecting
ejector
hole
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
Application number
CN2010206455065U
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Chinese (zh)
Inventor
黄亮
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
EVA Precision Industrial Holdings Ltd
Original Assignee
EVA Precision Industrial Holdings Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by EVA Precision Industrial Holdings Ltd filed Critical EVA Precision Industrial Holdings Ltd
Priority to CN2010206455065U priority Critical patent/CN201913735U/en
Application granted granted Critical
Publication of CN201913735U publication Critical patent/CN201913735U/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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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
    • B29C45/44Removing or ejecting moulded articles for undercut articles
    • B29C45/4435Removing or ejecting moulded articles for undercut articles using inclined, tiltable or flexible undercut forming elements driven by the ejector means

Abstract

An angle ejector push-out mechanism is positioned on a lower die core, forms a die cavity between the lower die core and an upper die core and comprises an angle ejector. An angle ejector seat is disposed on the lower side of the angle ejector, an ejector pin plate is arranged on the lower side of the angle ejector seat, the angle ejector is fixed onto the ejector pin plate via the angle ejector seat, a push rod is further arranged on the lower side of the ejector plate, a horizontal sunk hole is disposed on one side of the ejector plate, a horizontal through hole is arranged in the center of the sunk hole, and an ejector pin used for laterally pushing a product is disposed in the angle ejector. The ejector pin is disposed in the angle ejector, so that the angle ejector push-out mechanism avoids damaging the product by pulling while pushing out the product with a more complicated structure by the aid of the angle ejector, quality of the product is guaranteed, and production cost is reduced.

Description

A kind of oblique top ejecting mechanism
Technical field
The utility model relates to a kind of ejecting mechanism, is specifically related to a kind of oblique top ejecting mechanism.
Background technology
Ejecting mechanism is simple in structure with it, blanking efficient is used in the Mould Machining forming field widely than characteristics such as height, by adopting push rod mould is released die cavity, guarantees effective demoulding of product.
In the forming process of some injection moulds, because converted products is a liquid material, in the forming process, part material can adhere on mould and the ejecting mechanism, and especially the structure of ejecting mechanism is complicated, the glue position more for a long time, when product carries out the demoulding, be easy to cause pulling of product, influence the quality of product, reduce yield rate, increase production cost.
Therefore, a kind of can be effectively with product stripping, guarantee that the ejecting mechanism of product quality is demanded urgently occurring.
The utility model content
For solving the damage to product when the product stripping of existing ejecting mechanism, the utility model discloses a kind of ejecting mechanism, to reach the demoulding efficiency that improves product, reduce the damage of product, the purpose that reduces production costs.
The technical solution of the utility model is as follows:
A kind of oblique top ejecting mechanism, be positioned on the following die, and and following die and upper cores between form die cavity, this mechanism comprises oblique top, the below of described oblique top is provided with tilted footstock, the below of described tilted footstock is provided with ejector retainner plate, and described oblique top is fixed in the described ejector retainner plate by described tilted footstock, and the below of described ejector retainner plate also is provided with push rod; One side of described oblique top is provided with a horizontal counterbore, and the center of described counterbore is provided with a horizontal through hole;
Be provided with the thimble that is used for the thruster product in the described oblique top, described thimble comprises needle stand and shank, is arranged with spring on the described shank, and the diameter of described spring is consistent with the diameter dimension of described needle stand;
When described spring is in preloading condition:
The total length of described spring and described needle stand is greater than the length of described counterbore, and stretch out outside the described counterbore bottom of described needle stand, and described counter bore hole diameters and described needle stand diameter dimension are complementary;
Described shank is positioned at described through hole, and the head of described shank and the side of described oblique top flush, and the diameter dimension of described through hole and described shank diameter dimension are complementary;
Described die down is positioned at described thimble and stretches out first groove that the place is provided with the described thimble external part of a placement.
Preferably, also be provided with back-shaped hole on the described needle stand.
Preferably, also be provided with limited screw on the described oblique top, described limited screw passes described back-shaped hole.
Preferably, described thimble external part is a spherical structure.
Preferably, described die top down is provided with second groove parallel with described oblique top with described oblique top position contacting.
Preferably, the width of described second groove stretches out the length of described oblique top greater than described needle stand.
The disclosed a kind of oblique top ejecting mechanism of the utility model, by thimble being set in the oblique top inboard, thimble stretches out oblique top one segment distance, in the process that oblique top is released, by extruding thimble thruster shaped article, at first the side of oblique top is separated with product, avoided since product structure complicated when adopting oblique top to release pulling product, guarantee the quality of product, reduced production cost.
Description of drawings
In order to be illustrated more clearly in the utility model embodiment or technical scheme of the prior art, to do to introduce simply to the accompanying drawing of required use in embodiment or the description of the Prior Art below, apparently, accompanying drawing in describing below only is embodiment more of the present utility model, for those of ordinary skills, under the prerequisite of not paying creative work, can also obtain other accompanying drawing according to these accompanying drawings.
Structural representation when Fig. 1 is the disclosed a kind of oblique top ejecting mechanism return state of the utility model;
Structural representation when Fig. 2 ejects state for the disclosed a kind of oblique top ejecting mechanism of the utility model;
Structural representation when Fig. 3 ejects state fully for the disclosed a kind of oblique top ejecting mechanism of the utility model;
Fig. 4 is the structural representation of thimble in the disclosed a kind of oblique top ejecting mechanism of the utility model;
Fig. 5 is the structural representation of oblique top in the disclosed a kind of oblique top ejecting mechanism of the utility model.
The title of the numeral among the figure or the corresponding component of alphabetical representative:
11, upper cores 12, following die 13, tilted footstock 14, ejector retainner plate 15, push rod 16, oblique top 17, limited screw 18, first groove 20, second groove 41, needle stand 42, shank 43, back-shaped hole 51, counterbore 52, through hole
The specific embodiment
Below in conjunction with the accompanying drawing among the utility model embodiment, the technical scheme among the utility model embodiment is clearly and completely described, obviously, described embodiment only is the utility model part embodiment, rather than whole embodiment.Based on the embodiment in the utility model, those of ordinary skills are not making the every other embodiment that is obtained under the creative work prerequisite, all belong to the scope of the utility model protection.
The utility model discloses a kind of oblique top ejecting mechanism by thimble is set on oblique top, in the process that oblique top is released, form the power of a thruster, guarantee that shaped article by the more part demoulding effectively in glue position, oblique top side, improves demoulding efficiency, reduce production costs.
Embodiment 1, shown in Fig. 1-5, be the structural representation that the disclosed a kind of oblique top of the utility model is released the structure push, this mechanism is positioned on the following die 12, and and following die 12 and upper cores 11 between form die cavity, the blanking when this mechanism is used for shaped article inside and is provided with structures such as barb.
This mechanism comprises oblique top 16, the below of oblique top 16 is provided with tilted footstock 13, the below of tilted footstock 13 is provided with ejector retainner plate 14, oblique top 16 is fixed in the ejector retainner plate 14 by tilted footstock 13, the below of ejector retainner plate 14 also is provided with push rod 15, act on the ejector retainner plate 14 by push rod 15, drive oblique top 16 product is released.
One side of oblique top 16 is provided with a horizontal counterbore 51, and the center of counterbore 51 is provided with a horizontal through hole 52; The diameter dimension of through hole 52 is less than the size of counterbore 51, and counterbore 51 and through hole 52 are used to place the thimble of thruster product, and thimble comprises needle stand 41 and shank 42, is arranged with spring 19 on the shank 42, and the diameter of spring 19 is consistent with the diameter dimension of needle stand 41; Being convenient to Spring Card is connected in the counterbore 51.
When spring 19 is in preloading condition:
The total length of spring 19 and needle stand 41 is greater than the length of counterbore 51, and stretch out outside the counterbore 51 bottom of needle stand 41, and the diameter dimension of the diameter of counterbore 51 and needle stand 41 is complementary; Following die 12 is positioned at needle stand 41 and stretches out first groove 18 that the place is provided with a placement needle stand 41 external parts, it is the triangular structure of right angle of hypotenuse that the cross section of first groove 18 is with oblique top 16, the part that needle stand 41 stretches out oblique top 16 is a spherical structure, guarantee when oblique top 16 ejects, to reduce the friction of 18 of the needle stand 41 and first grooves, improve demoulding efficiency.Wherein the shape of first groove 18 is determined on a case-by-case basis, as long as guarantee oblique top 16 effective demouldings, does not limit at this.
Shank 42 is positioned at through hole 52, and the length of shank 42 equals the length of preloading condition lower spring 19 and the length sum of through hole 52, and the side of the head of shank 42 and oblique top 16 flushes, and the diameter dimension of the diameter dimension of through hole 52 and shank 42 is complementary; Avoid when shaped article, raw material flows in the through hole 52.
When ejecting product, shank 42 is released oblique top 16, guarantee the barb demoulding effectively on the product, avoided product adhesion on oblique top 16, to cause pulling of product by compression spring 19.The length of spring 19 is determined on a case-by-case basis, and does not limit at this.
Needle stand 41 is provided with back-shaped hole 43, also is provided with the limited screw 17 that passes back-shaped hole 43 on the oblique top 16, is used to limit the size that thimble moves, and guarantees that thimble moves in the scope of back-shaped hole 43 length.
The upper end of following die 12 and oblique top 16 position contacting also are provided with second groove 20, second groove 20 parallels with oblique top 16, the groove width of second groove 20 is stretched out the length of oblique top 16 greater than needle stand 41, be convenient to the return of oblique top 16, and the stupefied place of groove is arc structure, reduce to release and the return friction of die 12 and needle stand 41 at present, increase work efficiency.The shape size of second groove 20 all is determined on a case-by-case basis, and does not limit at this.
The disclosed a kind of oblique top ejecting mechanism of the utility model, by thimble being set in the oblique top inboard, thimble stretches out oblique top one segment distance, in the process that oblique top is released, by extruding thimble thruster shaped article, at first the side of oblique top is separated pulling product when having avoided the oblique release of oblique top with product, guarantee the quality of product, reduced production cost.
More than be description,, make this area professional and technical personnel can realize or use the utility model by above-mentioned explanation to the disclosed embodiments to the utility model embodiment.Multiple modification to these embodiment will be conspicuous concerning those skilled in the art, and defined herein General Principle can realize under the situation that does not break away from spirit or scope of the present utility model in other embodiments.Therefore, the utility model will can not be restricted to these embodiment shown in this article, but will meet and principle disclosed herein and features of novelty the wideest corresponding to scope.

Claims (6)

1. oblique top ejecting mechanism, be positioned on the following die, and and following die and upper cores between form die cavity, this mechanism comprises oblique top, the below of described oblique top is provided with tilted footstock, the below of described tilted footstock is provided with ejector retainner plate, and described oblique top is fixed in the described ejector retainner plate by described tilted footstock, and the below of described ejector retainner plate also is provided with push rod; It is characterized in that a side of described oblique top is provided with a horizontal counterbore, the center of described counterbore is provided with a horizontal through hole;
Be provided with the thimble that is used for the thruster product in the described oblique top, described thimble comprises needle stand and shank, is arranged with spring on the described shank, and the diameter of described spring is consistent with the diameter dimension of described needle stand;
When described spring is in preloading condition:
The total length of described spring and described needle stand is greater than the length of described counterbore, and stretch out outside the described counterbore bottom of described needle stand, and described counter bore hole diameters and described needle stand diameter dimension are complementary;
Described shank is positioned at described through hole, and the head of described shank and the side of described oblique top flush, and the diameter dimension of described through hole and described shank diameter dimension are complementary;
Described die down is positioned at described thimble and stretches out first groove that the place is provided with the described thimble external part of a placement.
2. oblique top ejecting mechanism according to claim 1 is characterized in that, also is provided with back-shaped hole on the described needle stand.
3. oblique top ejecting mechanism according to claim 2 is characterized in that, also is provided with limited screw on the described oblique top, and described limited screw passes described back-shaped hole.
4. according to each described oblique top ejecting mechanism of claim 1-3, it is characterized in that described thimble external part is a spherical structure.
5. according to each described oblique top ejecting mechanism of claim 1-3, it is characterized in that described die top down is provided with second groove parallel with described oblique top with described oblique top position contacting.
6. oblique top ejecting mechanism according to claim 5 is characterized in that, the width of described second groove stretches out the length of described oblique top greater than described needle stand.
CN2010206455065U 2010-12-07 2010-12-07 Angle ejector push-out mechanism Expired - Fee Related CN201913735U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN2010206455065U CN201913735U (en) 2010-12-07 2010-12-07 Angle ejector push-out mechanism

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN2010206455065U CN201913735U (en) 2010-12-07 2010-12-07 Angle ejector push-out mechanism

Publications (1)

Publication Number Publication Date
CN201913735U true CN201913735U (en) 2011-08-03

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CN (1) CN201913735U (en)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102700086A (en) * 2012-05-21 2012-10-03 昆山鑫泰利精密模具有限公司 Efficient taper pin anti-sticking part molding mechanism and efficient anti-sticking part molding mould
CN102922635A (en) * 2012-11-12 2013-02-13 凡嘉科技(无锡)有限公司 Inclined top with ejector pin structure
CN102950684A (en) * 2012-11-13 2013-03-06 凡嘉科技(无锡)有限公司 Obliquely-ejected angle ejector structure
CN103737867A (en) * 2013-12-27 2014-04-23 浙江凯华模具有限公司 Pentroof demoulding stop gauge of injection mould
CN106393599A (en) * 2016-12-24 2017-02-15 浙江工商职业技术学院 Water gauge side core-pulling mold

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102700086A (en) * 2012-05-21 2012-10-03 昆山鑫泰利精密模具有限公司 Efficient taper pin anti-sticking part molding mechanism and efficient anti-sticking part molding mould
CN102922635A (en) * 2012-11-12 2013-02-13 凡嘉科技(无锡)有限公司 Inclined top with ejector pin structure
CN102950684A (en) * 2012-11-13 2013-03-06 凡嘉科技(无锡)有限公司 Obliquely-ejected angle ejector structure
CN103737867A (en) * 2013-12-27 2014-04-23 浙江凯华模具有限公司 Pentroof demoulding stop gauge of injection mould
CN103737867B (en) * 2013-12-27 2016-08-17 浙江凯华模具有限公司 Injection mould slanted demoulding stop gauge
CN106393599A (en) * 2016-12-24 2017-02-15 浙江工商职业技术学院 Water gauge side core-pulling mold

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Legal Events

Date Code Title Description
C14 Grant of patent or utility model
GR01 Patent grant
EE01 Entry into force of recordation of patent licensing contract

Assignee: Chongqing Digital Mold Body Mould Co., Ltd.

Assignor: EVA Precision Industrial Holdings Limited

Contract record no.: 2012500000035

Denomination of utility model: Angle ejector push-out mechanism

Granted publication date: 20110803

License type: Exclusive License

Record date: 20120425

EXPY Termination of patent right or utility model
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20110803

Termination date: 20151207