CN201848980U - Inner sliding block under-cut releasing mechanism for injection mold - Google Patents

Inner sliding block under-cut releasing mechanism for injection mold Download PDF

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Publication number
CN201848980U
CN201848980U CN2010205846911U CN201020584691U CN201848980U CN 201848980 U CN201848980 U CN 201848980U CN 2010205846911 U CN2010205846911 U CN 2010205846911U CN 201020584691 U CN201020584691 U CN 201020584691U CN 201848980 U CN201848980 U CN 201848980U
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CN
China
Prior art keywords
core
lid
shaped
inner slide
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
CN2010205846911U
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Chinese (zh)
Inventor
李过
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.)
Zhejiang Kaihua Mould Co Ltd
Original Assignee
Zhejiang Kaihua Mould Co 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 Zhejiang Kaihua Mould Co Ltd filed Critical Zhejiang Kaihua Mould Co Ltd
Priority to CN2010205846911U priority Critical patent/CN201848980U/en
Application granted granted Critical
Publication of CN201848980U publication Critical patent/CN201848980U/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Abstract

An inner sliding block under-cut releasing mechanism for an injection mold comprises an upper plate and a lower plate of the mold, the upper plate is connected with a mold cavity, the lower plate is provided with a supporting block, the supporting block is internally provided with an upper ejector plate and a lower ejector plate which are connected with an ejector pin, the supporting block is provided with a mold core, a shaped circular-basin lid is positioned between the mold core and the mold cavity, the inner wall of the mouth rim of the lid is provided with under cuts, and the top part of the lid is provided with notches. The mechanism is characterized in that the mold core is slidably provided with concave-shaped inner sliding blocks, the inner sides of the concave-shaped inner sliding blocks penetrate through the mold core to be matched with the under cuts, gaps are reserved between the inner sides of the concave-shaped inner sliding blocks and the inner wall of the mold core, the top parts of the outer sides of the concave-shaped inner sliding blocks are respectively provided with an inclined slot, inner inclined blocks are connected to the lower part of the mold cavity, and the inclined slots are matched with the inner inclined blocks. In the scheme, the mold opening-closing power is adopted to drive the sliding blocks to slide inwards and realize under-cut releasing, so that no power is needed additionally, the cost is saved, in addition, the structure is simple, the processing is easy, the action is stable and reliable, and the service life is long.

Description

The injection mold inner slide takes off back-off mechanism
Technical field
The utility model relates to a kind of injection mold inner slide and takes off back-off mechanism, belongs to the mould of plastics field.
Background technology
Adopt injection mold to produce plastic product, as the lid of circle basin, the mouth of lid is shaped on back-off along inwall, and the top of lid is shaped on recess, therefore, after needing during the demoulding of product carry out the demoulding to back-off earlier, could successfully be ejected outside the mould by the mould ejecting mechanism.The back-off mode of taking off of traditional moulds generally adopts oblique top mechanism, and its advantage is: slanted kicking block can eject product again simultaneously both to the back-off demoulding during demoulding, saves demould time, enhances productivity.But because the top of this product is shaped on recess, the slanted kicking block and the recess of oblique top mechanism clash, and do not have the distance of slip, can't realize the demoulding.
Summary of the invention
The purpose of this utility model is in order to overcome the shortcoming of prior art, provides a kind of employing mould open/close mould power to drive slide block and inwardly slides and take off the back-off mode, and simple in structure, cost is low, and stable action, the injection mold inner slide takes off back-off mechanism reliably.
The technical scheme that the utility model injection mold inner slide takes off back-off mechanism is: comprise upper mould plate and lower bolster, cope match-plate pattern connects die cavity, the mould pin is installed on the lower bolster, upper plate and lower roof plate are set in the mould pin, on, lower roof plate connects push rod, on the mould pin core is installed, the round basin lid that moulding is arranged between core and the die cavity, the mouth of lid is shaped on back-off along inwall, the top of lid is shaped on recess, it is characterized in that described core slip is provided with the concave shape inner slide, the inboard of concave shape inner slide is passed core and is matched with back-off, and and the core inwall between leave the gap, the outside top of concave shape inner slide is shaped on oblique system groove, oblique clamp dog is tiltedly made groove and is matched with interior oblique clamp dog in connecting under die cavity.
Injection mold inner slide of the present utility model takes off back-off mechanism, during work, at first drive core and die cavity die sinking by injection machine power, core drives the concave shape inner slide and moves downward, because the oblique system groove in the concave shape inner slide outside matches with the interior oblique clamp dog under being connected die cavity, therefore, when the concave shape inner slide moves downward, effect at interior oblique clamp dog, slide in concave shape inner slide while gap to the inside, the inboard and the back-off of concave shape inner slide are disengaged, and the back-off demoulding is finished, and drives push rod by upper and lower top board at last lid is ejected outside the mould.This programme adopts by inside slip of mould open/close mould power drive slide block and takes off back-off, need not to put in addition power, saves cost, and simple in structure, handling ease, stable action, reliable, long service life.
Injection mold inner slide of the present utility model takes off back-off mechanism, described lid mouth is shaped on 3 above back-offs at least along inwall, at least slide on the corresponding core 3 above concave shape inner slides are set, the structure of every concave shape inner slide is all identical, and simultaneously separately back-off is carried out the demoulding.
Description of drawings
Fig. 1 is that the utility model injection mold inner slide takes off back-off mechanism structure schematic diagram.
The specific embodiment
The utility model relates to a kind of injection mold inner slide and takes off back-off mechanism, as shown in Figure 1, comprise upper mould plate 1 and lower bolster 8, cope match-plate pattern connects die cavity 2, mould pin 6 is installed on the lower bolster, upper plate 4 and lower roof plate 5 are set in the mould pin, on, lower roof plate connects push rod 7, core 3 is installed on the mould pin, the round basin lid 9 that moulding is arranged between core 3 and the die cavity 2, the mouth of lid is shaped on back-off 10 along inwall, and the top of lid is shaped on recess 11, it is characterized in that described core 3 slips are provided with concave shape inner slide 12, the inboard of concave shape inner slide 12 is passed core 3 and is matched with back-off 10, and and core 3 inwalls between leave gap 13, the outside top of concave shape inner slide 12 is shaped on oblique system groove 15, oblique clamp dog 16 is tiltedly made groove 15 and is matched with interior oblique clamp dog 16 in die cavity connects for 2 times.During work, at first drive core 3 and die cavity 2 die sinkings by injection machine power, core 3 drives concave shape inner slide 12 and moves downward, because the oblique system groove 15 in concave shape inner slide 12 outsides matches with the interior oblique clamp dog 16 under being connected die cavity 2, therefore, when concave shape inner slide 12 moves downward, effect at interior oblique clamp dog 16, slide in 12 whiles of concave shape inner slide gap 13 to the inside, the inboard and the back-off 10 of concave shape inner slide 12 are disengaged, the back-off demoulding is finished, and drives push rod 7 by upper and lower top board 4,5 at last lid 9 is ejected outside the mould.This programme adopts by inside slip of mould open/close mould power drive slide block and takes off back-off, need not to put in addition power, saves cost, and simple in structure, handling ease, stable action, reliable, long service life.9 mouthfuls on described lid is shaped on 3 above back-offs 10 at least along inwall, and sliding at least on the corresponding core 3 is provided with 3 above concave shape inner slides 12, and the structure of every concave shape inner slide is all identical, and simultaneously separately back-off is carried out the demoulding.

Claims (2)

1. the injection mold inner slide takes off back-off mechanism, comprise upper mould plate (1) and lower bolster (8), cope match-plate pattern connects die cavity (2), mould pin (6) is installed on the lower bolster, upper plate (4) and lower roof plate (5) are set in the mould pin, on, lower roof plate connects push rod (7), core (3) is installed on the mould pin, the round basin lid (9) that moulding is arranged between core (3) and the die cavity (2), the mouth of lid is shaped on back-off (10) along inwall, the top of lid is shaped on recess (11), it is characterized in that described core (3) slip is provided with concave shape inner slide (12), and the inboard of concave shape inner slide is passed core and matched with back-off (10), and and the core inwall between leave gap (13), the outside top of concave shape inner slide (12) is shaped on oblique system groove (15), and oblique clamp dog (16) is tiltedly made groove (15) and matched with interior oblique clamp dog (16) in die cavity (2) connects down.
2. injection mold inner slide as claimed in claim 1 takes off back-off mechanism, it is characterized in that described lid (9) mouth is shaped on 3 above back-offs (10) at least along inwall, and sliding at least on the corresponding core (3) is provided with 3 above concave shape inner slides (12).
CN2010205846911U 2010-10-29 2010-10-29 Inner sliding block under-cut releasing mechanism for injection mold Expired - Lifetime CN201848980U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN2010205846911U CN201848980U (en) 2010-10-29 2010-10-29 Inner sliding block under-cut releasing mechanism for injection mold

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN2010205846911U CN201848980U (en) 2010-10-29 2010-10-29 Inner sliding block under-cut releasing mechanism for injection mold

Publications (1)

Publication Number Publication Date
CN201848980U true CN201848980U (en) 2011-06-01

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN2010205846911U Expired - Lifetime CN201848980U (en) 2010-10-29 2010-10-29 Inner sliding block under-cut releasing mechanism for injection mold

Country Status (1)

Country Link
CN (1) CN201848980U (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102615745A (en) * 2012-04-26 2012-08-01 扬州恒生精密模具有限公司 Slide-block inverted fastener releasing device of plastic-rubber mould
CN103950164A (en) * 2014-04-21 2014-07-30 滨海模塑集团有限公司 Internal clamping groove demolding mechanism of automobile lamp injection molding mold

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102615745A (en) * 2012-04-26 2012-08-01 扬州恒生精密模具有限公司 Slide-block inverted fastener releasing device of plastic-rubber mould
CN103950164A (en) * 2014-04-21 2014-07-30 滨海模塑集团有限公司 Internal clamping groove demolding mechanism of automobile lamp injection molding mold

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Granted publication date: 20110601