CN202388753U - Mould-opening device - Google Patents

Mould-opening device Download PDF

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Publication number
CN202388753U
CN202388753U CN2011204977239U CN201120497723U CN202388753U CN 202388753 U CN202388753 U CN 202388753U CN 2011204977239 U CN2011204977239 U CN 2011204977239U CN 201120497723 U CN201120497723 U CN 201120497723U CN 202388753 U CN202388753 U CN 202388753U
Authority
CN
China
Prior art keywords
plate
thimble
die
sinking
mould
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
CN2011204977239U
Other languages
Chinese (zh)
Inventor
王贤云
龚文鹏
黎健明
吴小平
蒋坤学
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.)
Fugang Electronic Dongguan Co Ltd
Foxlink Electronics Dongguan Co Ltd
Cheng Uei Precision Industry Co Ltd
Original Assignee
Foxlink Electronics Dongguan Co Ltd
Cheng Uei Precision Industry 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 Foxlink Electronics Dongguan Co Ltd, Cheng Uei Precision Industry Co Ltd filed Critical Foxlink Electronics Dongguan Co Ltd
Priority to CN2011204977239U priority Critical patent/CN202388753U/en
Application granted granted Critical
Publication of CN202388753U publication Critical patent/CN202388753U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Abstract

The utility model discloses a mould-opening device which is used for an ejection procedure after injection molding of an injection mould. The injection mould comprises a male mould plate, a female mould plate correspondingly matched with the male mould plate, an upper fixing plate located above the male mould plate, and a lower fixing plate located below the female mould plate, wherein the mould-opening device is installed between the female mould plate and the lower fixing plate and comprises an ejector pin propping against the female mould plate, an ejector plate propping against the ejector pin, a return spring for providing a reset force for the ejector pin, and a machine table with an ejector rod; the ejector rod is fixed on the ejector plate, the machine table controls the ejector rod to telescopically act along the mould-opening direction of the machine table, and the ejector rod drives the ejector pin via the ejector plate to prop against or separate from the female mould plate. Comprehensively, according to the mould-opening device disclosed by the utility model, the ejector rod is fixed with the ejector plate, so that the machine table pulls the ejector plate back in place while controlling the ejector rod to reset, and prevents the return spring from reaching a life limit after working for a long time due to long production time, and thus causing the compression of the mould and damaging the components of the mould.

Description

Die-sinking device
Technical field
The utility model relates to a kind of interior arrangement of mould, relates in particular to a kind of die-sinking device that ejects operation after injection mold completes injection moulding work.
Background technology
Along with making constant progress of science and technology, plasthetics is widely used in commodity miscellaneous, such as the computer of product, mobile phone, automobile, digital camera, game machine etc.Above-mentioned plasthetics often carrys out machine-shaping by injection mold, and different moulds consists of different parts, mainly by the change of institute's moulding material physical state, realizes the processing of article profile.With reference to figure 1, injection mold 10 comprises the upper mounted plate 13 of male model plate 11, caster 12, fixing described caster 12 and the bottom plate 14 of fixing described male model plate 11, during injection mold 10 work, injection machine heat engine mouth is to the plastic cement that injects molten state in injection mold 10, the plastic cement of molten state enters in die cavity along the injection channel of injection mold 10, through supercooling, die sinking, the operation such as eject, complete the moulding of plasthetics.
With reference to figure 1, traditional die-sinking device 20 comprises the thimble 21 of conflict caster 12, the liftout plate 22 of the described thimble 21 of conflicting and the return spring 23 that described thimble 21 provided to reset force, during pushing-off product, the push rod 24 that operation board (not shown) makes to be arranged on board promotes described liftout plate 22 until described caster 12 departs from after injecting products along its die sinking direction, operate again board control push rod 24 and reset to depart from liftout plate 22, liftout plate 22 and thimble 21 reset under the reset force of return spring 23, complete the whole operation that ejects.Yet above-mentioned die-sinking device 20 often can be because the production time is more of a specified duration, return spring 23 is through working long hours, and while having arrived lifetime limitation, liftout plate 22 and thimble 21 be return well, causes mold die, mold damage part.
Therefore, be badly in need of a kind of novel die-sinking device addressing the above problem.
Summary of the invention
The purpose of this utility model is to provide a kind of novel die-sinking device for above-mentioned the deficiencies in the prior art, prevents that return spring from, because the production time is compared with the arrival lifetime limitation that works long hours for a long time, causes and causing mold die, mold damage part.
For achieving the above object, die-sinking device provided by the utility model, for injection mold injection moulding after completing, eject operation, injection mold comprises male model plate, caster with the corresponding cooperation of male model plate, be positioned at the upper mounted plate of male model plate top and be positioned at the bottom plate of caster below, this die-sinking device is installed between caster and bottom plate, it comprises thimble, liftout plate, return spring and the board with push rod, described thimble conflict caster, described liftout plate is to the described caster direction described thimble of conflicting, described return spring is arranged on described thimble and to described thimble the elastic force away from described caster is provided, described push rod is fixed on described liftout plate, described board is controlled described push rod along its die sinking direction expanding-contracting action, described push rod is driven described thimble to conflict or is departed from described caster by described liftout plate.
Compared with prior art, the utility model die-sinking device fixedly locks together push rod and liftout plate, make board when controlling push rod reset, liftout plate together be retracted and be put in place, avoid return spring because the production time is compared with the arrival lifetime limitation that works long hours for a long time, cause mold die, mold damage part.
Accompanying drawing explanation
Fig. 1 is the scheme of installation of traditional die-sinking device.
Fig. 2 is the scheme of installation of the utility model die-sinking device.
Fig. 3 is the structural representation of the utility model die-sinking device.
Fig. 4 is the exploded view of the utility model die-sinking device.
In figure, each description of reference numerals is as follows.
The specific embodiment
By describing technology contents of the present utility model, structural feature in detail, being realized object and effect, below in conjunction with embodiment and coordinate accompanying drawing to be explained in detail.
Referring to figs. 2 to Fig. 4, the die-sinking device 30 of the utility model, for injection mold 10 injection mouldings after completing, eject operation, injection mold 10 comprises male model plate 11, with the caster 12 of male model plate 11 corresponding cooperations, be positioned at the upper mounted plate 13 of male model plate 11 tops and be positioned at the bottom plate 14 of caster 12 belows, this die-sinking device 30 is installed between caster 12 and bottom plate 14, opens caster 12 after injection moulding is completed so that caster 12 departs from finished products.
Continuation is referring to figs. 2 to Fig. 4, described die-sinking device 30 comprises thimble 31, liftout plate 32, return spring 33 and the board (not shown) with push rod 34, described thimble 31 conflict casters 12, described liftout plate 32 is to the described caster 12 directions described thimble 31 of conflicting, described return spring 33 is arranged on described thimble 31 and to described thimble 31 elastic force away from described caster 12 is provided, described push rod 34 is fixed on described liftout plate 32, described board is controlled described push rod 34 along its die sinking direction expanding-contracting action, during work, described push rod 34 promotes described liftout plate 32 to die sinking direction, described liftout plate 32 promotes described thimble 31 to die sinking direction, described thimble 31 promotes described caster 12 to die sinking direction, to open described caster 12 until caster 12 departs from finished products, after die sinking completes, described push rod 34 retractions reset and drive described liftout plate 32 to reset, described thimble 31 resets to depart from described caster 12 under the effect of return spring 33.
Referring to figs. 2 to Fig. 4, described die-sinking device 30 also comprises installing plate 35, described installing plate 35 is fixedly connected with male model plate 11, described thimble 31 passes described installing plate 35 and male model plate 11 successively with the described caster 12 of conflicting, on described installing plate 35, offer reseting groove 351, one end of described return spring 33 is arranged in described reseting groove 351 and the cell wall of the described reseting groove 351 of conflicting, and the other end described liftout plate 322 of conflicting, makes 33 pairs of described thimbles 31 of described return spring that the elastic force of reset is provided.
With reference to figure 3 to Fig. 4, described liftout plate 32 comprises upper ejector plate 321 and the lower liftout plate 322 being fixed together, on described upper ejector plate 321, offer fixing hole 323 step-like and that run through, described thimble 31 is fastened in described fixing hole 323 through described fixing hole 323 correspondence, described lower liftout plate 322 is affixed and merges the described thimble 31 of conflicting with described upper ejector plate 321, thereby described thimble 31 is fixedly connected with described liftout plate 32, and push rod 34 can drive described thimble 31 actions simultaneously while driving liftout plate 32 action.Particularly, described liftout plate 32(upper ejector plate 321, lower liftout plate 322) on offer the installing hole 324 running through, wherein the installing hole on upper ejector plate 321 (the first half of installing hole 324) is greater than the installing hole (the latter half of installing hole 324) of opening on lower liftout plate 322, make described installing hole 324 stepped, the end of described push rod 34 offers screw 341, one set bolt 36 passes described installing hole 324 and is threaded with described screw 341, so that described push rod 34 is fixed on described liftout plate 32.Wherein, the top of set bolt 36 is fastened in installing hole 324, and lower end is fixed in screw 341.
To sum up, the utility model die-sinking device 30 fixedly locks together push rod 34 and liftout plate 32 by set bolt 36, make board when controlling push rod 34 reset, liftout plate 32 together be retracted and be put in place, avoid return spring 33 because the production time is compared with the arrival lifetime limitation that works long hours for a long time, cause mold die, mold damage part.

Claims (7)

1. a die-sinking device, for injection mold injection moulding after completing, eject operation, injection mold comprises male model plate, caster with the corresponding cooperation of male model plate, be positioned at the upper mounted plate of male model plate top and be positioned at the bottom plate of caster below, described die-sinking device is installed between caster and bottom plate, it is characterized in that: this die-sinking device comprises thimble, liftout plate, return spring and the board with push rod, described thimble conflict caster, described liftout plate is to the described caster direction described thimble of conflicting, described return spring is arranged on described thimble and to described thimble the elastic force away from described caster is provided, described push rod is fixed on described liftout plate, described board is controlled described push rod along its die sinking direction expanding-contracting action, described push rod is driven described thimble to conflict or is departed from described caster by described liftout plate.
2. die-sinking device as claimed in claim 1, it is characterized in that: on described liftout plate, offer the installing hole running through, the end of described push rod offers screw, and a set bolt passes described installing hole and is threaded with described screw, so that described push rod is fixed on described liftout plate.
3. die-sinking device as claimed in claim 1, is characterized in that: described thimble is fixedly connected with described liftout plate.
4. die-sinking device as claimed in claim 3, is characterized in that: also comprise installing plate, described thimble is through described installing plate with the described caster of conflicting, and described return spring is butted between described installing plate and liftout plate.
5. die-sinking device as claimed in claim 4, is characterized in that: on described installing plate, offer reseting groove, one end of described return spring is arranged in described reseting groove and the cell wall of the described reseting groove of conflicting.
6. die-sinking device as claimed in claim 4, is characterized in that: described installing plate is fixedly connected with male model plate, and described thimble passes described installing plate and male model plate successively with the described caster of conflicting.
7. die-sinking device as claimed in claim 3, it is characterized in that: described liftout plate comprises upper ejector plate and the lower liftout plate being fixed together, on described upper ejector plate, offer fixing hole step-like and that run through, described thimble is fastened in described fixing hole through described fixing hole correspondence, and described lower liftout plate and described upper ejector plate are affixed and merge the described thimble of conflicting.
CN2011204977239U 2011-12-05 2011-12-05 Mould-opening device Expired - Fee Related CN202388753U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN2011204977239U CN202388753U (en) 2011-12-05 2011-12-05 Mould-opening device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN2011204977239U CN202388753U (en) 2011-12-05 2011-12-05 Mould-opening device

Publications (1)

Publication Number Publication Date
CN202388753U true CN202388753U (en) 2012-08-22

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN2011204977239U Expired - Fee Related CN202388753U (en) 2011-12-05 2011-12-05 Mould-opening device

Country Status (1)

Country Link
CN (1) CN202388753U (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104085085A (en) * 2014-06-20 2014-10-08 宁波宇升模业有限公司 Simple tail and ejector connector of injection mold
CN110435099A (en) * 2019-08-05 2019-11-12 义乌市拓一斯玩具有限公司 A kind of easily demoulding craft mould and its release method

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104085085A (en) * 2014-06-20 2014-10-08 宁波宇升模业有限公司 Simple tail and ejector connector of injection mold
CN104085085B (en) * 2014-06-20 2016-07-06 宁波宇升模业有限公司 A kind of injection mold simple and easy tail top adapter
CN110435099A (en) * 2019-08-05 2019-11-12 义乌市拓一斯玩具有限公司 A kind of easily demoulding craft mould and its release method

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Date Code Title Description
GR01 Patent grant
C14 Grant of patent or utility model
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20120822

Termination date: 20131205

C17 Cessation of patent right