CN201784134U - Injection mold for forced demoulding for fastener of plastic product - Google Patents

Injection mold for forced demoulding for fastener of plastic product Download PDF

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Publication number
CN201784134U
CN201784134U CN 201020276731 CN201020276731U CN201784134U CN 201784134 U CN201784134 U CN 201784134U CN 201020276731 CN201020276731 CN 201020276731 CN 201020276731 U CN201020276731 U CN 201020276731U CN 201784134 U CN201784134 U CN 201784134U
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CN
China
Prior art keywords
mold
movable
push rod
dynamic
injection mold
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 - Lifetime
Application number
CN 201020276731
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Chinese (zh)
Inventor
朱新爱
沈建强
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.)
SHANGHAI LAIMU ELECTRONICS CO Ltd
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SHANGHAI LAIMU ELECTRONICS CO Ltd
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Priority to CN 201020276731 priority Critical patent/CN201784134U/en
Application granted granted Critical
Publication of CN201784134U publication Critical patent/CN201784134U/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Abstract

The utility model relates to an injection mold for a plastic product, in particular to an injection mold for forced demoulding of a fastener of a plastic product, which comprises a fixed mold and a movable mold, between which a push rod is connected. The injection mold is characterized in that one end of the push rod is fixedly connected with the fixed mold, the other end of the push rod penetrates into a resetting cavity of the movable mold, and a resetting lever is arranged in the resetting cavity of the movable mold; the other end of the push rod is positioned above one end of the resetting lever, and a movable plate pushing plate is arranged above the other end of the resetting lever; a spring guide pillar sheathed with a spring is arranged between a template of the movable mold and the movable plate pushing plate; and the movable plate pushing plate is connected with the lower end of a movable insert, and the upper end of the movable insert penetrates through the template of the movable mold. The injection mold mainly solves the technical problem that when the existing forced demoulidng mode is applied, the fastener is easy to be snapped to detain in the mold in forced demoulding, therefore, the molding of a next mold is affected; when the mold is in injection molding production, the product can be ejected out from the mold successfully, therefore, the rejection ratio caused by the inverse buckling of clamping points is controlled, the production efficiency is enhanced, and the manufacturing cost is reduced.

Description

A kind of injection mold of plastic cement products buckle forced stripper mechanism
Technical field
The utility model relates to the injection mold of plastic cement products, particularly a kind of injection mold of plastic cement products buckle forced stripper mechanism.
Background technology
Therefore at present, small-sized plastic cement products such as household electrical appliance, automotive connector are considered with being located by connecting of miscellaneous part fixingly when product design, have designed the location buckle.As shown in Figure 1, plastic cement products A bottom is provided with buckle B, and described buckle B has the buckle intermediate gaps part B2 between buckle stuck point B1 and the buckle stuck point.During use, plastic cement products A is positioned among the fixing hole C1 of fixed part C, so that the two is connected and fixed, as Fig. 2,3 by this buckle B.
With respect to the plastic cement products of this structure, the design of custom reduces the back-off angle of buckle stuck point or the height of stuck point carries out forced stripper mechanism, and the fixed effect of buckle is not fine like this.Perhaps keep original design buckle angle and stuck point height directly to take off by force, buckle is easy to when forced stripper mechanism like this, is broken to be stranded in the mould, influences the moulding of next mould.
The utility model content
The purpose of this utility model is to provide a kind of injection mold of plastic cement products buckle forced stripper mechanism, when mainly the existing forced stripper mechanism mode of solution is used, buckle is easy to be broken when forced stripper mechanism and is stranded in the mould, influence the technical problem of the moulding of next mould, when mold injection was produced, product can successfully eject from mould, had controlled because the product that stuck point back-off problem produces is bad, improve production efficiency, reduced cost of manufacture.
For achieving the above object, the utility model is to realize like this.
A kind of injection mold of plastic cement products buckle forced stripper mechanism, it comprises fixed half and moving half, is connected with push rod between the described fixed half and moving half; It is characterized in that: the fixedly connected cover half of described push rod one end, the other end then penetrates in the reseting cavity of dynamic model, and a restoring lever also is set in the reseting cavity of this dynamic model; The described push rod other end is positioned at the top of restoring lever one end, and this restoring lever other end top is provided with the portable plate push pedal; The spring guide pillar that has sheathed spring between the template of described dynamic model and the portable plate push pedal; This portable plate push pedal connects the lower end of a movable insert, and the dynamic model template is passed in the upper end of this movable insert.
The injection mold of described plastic cement products buckle forced stripper mechanism is characterized in that: the lower end of described movable insert is connected the centre of portable plate push pedal.
By technique scheme, advantage of the present utility model is.
The utility model has solved plastic cement products buckle stuck point and has tipped upside down on the phenomenon that pressure is broken when ejecting easily.When mold injection was produced, product can successfully eject from mould, had controlled because the product that stuck point back-off problem produces is bad, had improved production efficiency, had reduced cost of manufacture.
Description of drawings
Fig. 1 is the structural representation of plastic cement products buckle.
Fig. 2 is the structural representation that connects the fixed part of plastic cement products.
Fig. 3 is the syndeton schematic diagram of plastic cement products and fixed part.
Fig. 4 is the structural representation of the utility model under the matched moulds state.
Fig. 5 is the structural representation of the utility model under die opening state.
Fig. 6 is the local enlarged diagram of movable insert of the present utility model under die opening state.
Among the figure: the A-plastic cement products; The B-buckle; B1-buckle stuck point; B2-buckle intermediate gaps part; The C-fixed part; The fixing hole of C1-; The 1-cover half; The 2-dynamic model; The 21-reseting cavity; The 22-template; The 3-push rod; The 4-spring; The 5-spring guide pillar; The 6-restoring lever; The push pedal of 7-portable plate; The 8-movable insert.
The specific embodiment
See also Fig. 4-6, the utility model discloses a kind of injection mold of plastic cement products buckle forced stripper mechanism.As shown in the figure: it comprises cover half 1 and dynamic model 2, connects by push rod 3 between described cover half 1 and the dynamic model 2.The fixedly connected cover half 1 of described push rod 3 one ends, the other end then penetrates in the reseting cavity 21 of dynamic model 2, and a restoring lever 6 also is set in the reseting cavity 21 of this dynamic model 2; Described push rod 3 other ends are positioned at the top of restoring lever 6 one ends, and this restoring lever 6 other ends top is provided with portable plate push pedal 7; The spring guide pillar 5 that has sheathed spring 4 between the template 22 of described dynamic model and the portable plate push pedal 7; This portable plate push pedal 7 connects the lower end of a movable insert 8, and dynamic model 2 templates 22 are passed in the upper end of this movable insert 8.The lower end of described movable insert 8 is connected the centre of portable plate push pedal 7.
During use, the die in the middle of the product buckle is made movable insert 8, the portable plate push pedal 7 that movable insert 8 lower ends are passed under template 22 and the template is fixedly connected.Promote portable plate push pedal 7 according to effect, movable insert 8 is under die opening state always takes off shifting formwork tool die cavity, as Fig. 5,6 with spring 4.When matched moulds, as Fig. 4,, allow movable insert 8 enter in the mold cavity according to making back mould portable plate push pedal 7 motions by restoring lever 6 with the push rod 3 that is installed in front mould, carry out injection mo(u)lding.When moulding finished die sinking, push rod 3 left restoring lever 6, and portable plate push pedal 7 motions under the effect of spring 4 drive movable insert 8 and take off to move and reserve enough buckle intermediate gaps part B2 in the middle of the buckle and allow the stuck point displacement, eject product.
Being preferred embodiment of the present utility model only in sum, is not to be used for limiting practical range of the present utility model.Be that all equivalences of doing according to the content of the utility model claim change and modification, all should be technology category of the present utility model.

Claims (2)

1. the injection mold of a plastic cement products buckle forced stripper mechanism, it comprises cover half (1) and dynamic model (2), is connected with push rod (3) between described cover half (1) and the dynamic model (2); It is characterized in that: the described push rod fixedly connected cover half of (3) one ends (1), the other end then penetrate in the reseting cavity (21) of dynamic model (2), in the reseting cavity (21) of this dynamic model (2) restoring lever (6) are set also; Described push rod (3) other end is positioned at the top of restoring lever (6) one ends, and this restoring lever (6) other end top is provided with portable plate push pedal (7); The spring guide pillar (5) that has sheathed spring (4) between template of described dynamic model (22) and the portable plate push pedal (7); This portable plate push pedal (7) connects the lower end of a movable insert (8), and dynamic model (2) template (22) is passed in the upper end of this movable insert (8).
2. the injection mold of plastic cement products buckle forced stripper mechanism according to claim 1 is characterized in that: the lower end of described movable insert (8) is connected the centre of portable plate push pedal (7).
CN 201020276731 2010-07-30 2010-07-30 Injection mold for forced demoulding for fastener of plastic product Expired - Lifetime CN201784134U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN 201020276731 CN201784134U (en) 2010-07-30 2010-07-30 Injection mold for forced demoulding for fastener of plastic product

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN 201020276731 CN201784134U (en) 2010-07-30 2010-07-30 Injection mold for forced demoulding for fastener of plastic product

Publications (1)

Publication Number Publication Date
CN201784134U true CN201784134U (en) 2011-04-06

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN 201020276731 Expired - Lifetime CN201784134U (en) 2010-07-30 2010-07-30 Injection mold for forced demoulding for fastener of plastic product

Country Status (1)

Country Link
CN (1) CN201784134U (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104290137A (en) * 2014-09-26 2015-01-21 楚天科技股份有限公司 Container punching and discharging device
CN105522697A (en) * 2014-10-27 2016-04-27 宁波考比锐特汽车科技有限公司 Automatic ejection and product falling device of injection mold

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104290137A (en) * 2014-09-26 2015-01-21 楚天科技股份有限公司 Container punching and discharging device
CN104290137B (en) * 2014-09-26 2016-03-23 楚天科技股份有限公司 The die-cut doffer of container
CN105522697A (en) * 2014-10-27 2016-04-27 宁波考比锐特汽车科技有限公司 Automatic ejection and product falling device of injection mold

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Granted publication date: 20110406