CN105773914B - The pressure return structure of mould - Google Patents

The pressure return structure of mould Download PDF

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Publication number
CN105773914B
CN105773914B CN201410799155.6A CN201410799155A CN105773914B CN 105773914 B CN105773914 B CN 105773914B CN 201410799155 A CN201410799155 A CN 201410799155A CN 105773914 B CN105773914 B CN 105773914B
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China
Prior art keywords
spring
return
pin
lock sleeve
mould
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CN201410799155.6A
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CN105773914A (en
Inventor
郭明文
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Mitac Precision Technology Kunshan Ltd
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Mitac Precision Technology Kunshan Ltd
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Priority to CN201410799155.6A priority Critical patent/CN105773914B/en
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Abstract

A kind of pressure return structure of mould, including:Taper pin, one end are located in upper ejector plate, other end shaped article;First return pin, its one end are fixed in caster, and the other end is fixed in upper ejector plate;First spring, the outer rim of the first return pin is placed on, the first spring one end is located in caster, and the other end supports upper ejector plate;Second return pin, it is located in male template, active strokes is provided between the second return pin and male template, one end of the second return pin supports the first return pin;Second spring, its one end support bottom plate, and the other end supports the other end of the second return pin;Shutter, it includes locking bed and lock sleeve, and locking bed is fixed in male template, and lock sleeve is fixed on caster.The pressure return structure of the mould of the present invention, it can solve the problem that when pouring in down a chimney hot flow path and entering gum forming product, because taper pin size is big, exits stroke and angle is big, using the motionless taper pin of heavy load spring top, the problem of using underload spring inclined pin return difficulty.

Description

The pressure return structure of mould
【Technical field】
The present invention relates to a kind of mould structure, and in particular to a kind of pressure return structure of mould.
【Background technology】
When production needs to pour in down a chimney hot flow path and enters the product of glue, if the surrounding on the inside of product has overhead kick, then product needs Outer slide, inner slide and the common shaped article of taper pin.
Refer to shown in Fig. 1 and Fig. 2, wherein Fig. 1 is the pressure return structure schematic diagram of prior art mold, and Fig. 2 is existing There is the schematic diagram for forcing shutter in return structure of technology mould.The pressure return structure of existing mold falls for being molded needs The product 10 that hot flow path enters glue is filled, the pressure return structure of the mould includes:
Taper pin 11, its one end is in the upper ejector plate 12 of the mould, other end shaped article 10;
Return pin 13, its one end are fixed in the caster 14 of the mould, and the other end is fixed on the upper top of the mould In ejecting plate 12;
Spring 15, it is placed on the outer rim of the return pin 13, and described one end of spring 15 is located in the caster 14, another End supports the upper ejector plate 12, and the spring 15 is used to make the return of return pin 13;
Shutter 16, it includes locking bed 17 and lock sleeve 18, and the locking bed 17 is fixed in male template 19, the lock Tight set 18 is fixed on caster 14, and one end of the locking bed 17 is located in the lock sleeve 18.
Because the size of taper pin 11 for shaped article 10 is big, exits stroke and angle is big, hindered when causing taper pin 11 to eject Power is big.When spring 15 is with heavy load spring (i.e. elastic force is big), then motionless taper pin 11 is pushed up, the sound of click click is had in ejection, The ejection of taper pin 11 is had any problem;When spring 15 is with underload spring (i.e. elastic force is small), taper pin 11 eject it is out of question, but in taper pin 11 Then had any problem during return.
In view of this, it is necessary to develop a kind of pressure return structure of new mould in fact, to solve above-mentioned to pour in down a chimney hot flow path When entering gum forming product, because taper pin size is big, exits stroke and angle is big, using the motionless taper pin of heavy load spring top, use The problem of underload spring inclined pin return difficulty.
【The content of the invention】
It is therefore an object of the present invention to provide a kind of pressure return structure of mould, the pressure return structure of the mould exists When pouring in down a chimney hot flow path and entering gum forming product, it can solve the problem that because pin size is big, exit stroke and angle is big, use heavy load spring Motionless taper pin is pushed up, the problem of using underload spring inclined pin return difficulty.
In order to achieve the above object, the pressure return structure of mould of the invention, the mould successively include bottom plate, Male template, male die core, mother module core, caster, sliding block stripping dynamic plate, upper ejector plate and lower liftout plate, the pressure return of the mould Structure includes:
Taper pin, its one end are located in the upper ejector plate, other end shaped article;
First return pin, its one end are fixed in the caster, and the other end is fixed in the upper ejector plate;
First spring, it is underload spring, and first spring is placed on the outer rim of first return pin, described first Spring one end is located in the caster, and the other end supports the upper ejector plate;
Second return pin, it is located in the male template, and movable row is provided between second return pin and the male template Journey, one end of second return pin support first return pin;
Second spring, it is heavy load spring, and described second spring one end supports the bottom plate, and the other end supports institute State the other end of the second return pin;
Shutter, it includes locking bed and lock sleeve, and the locking bed is fixed in male template, and the lock sleeve is fixed on On caster, one end of the locking bed passes vertically through the lock sleeve and stretches out the lock sleeve.
It is preferred that the locking bed includes horizontal part and vertical portion, the both sides of the vertical portion are provided with two grooves, described Vertical portion passes vertically through the lock sleeve and stretches out the lock sleeve.
It is preferred that the lock sleeve horizontal direction is provided with two screws, grub screw, the 3rd spring are provided with the screw And bayonet lock, the 3rd spring one end are in contact with above-mentioned grub screw, the other end is in contact with above-mentioned bayonet lock, and the bayonet lock one end is supported Hold the groove of the lock sleeve.
Compared to prior art, the pressure return structure of mould of the invention, by adding the second return in a mold Pin and second spring, and shutter is added into movement travel, first spring is underload spring, is hindered in angle pin ejecting Power is small, and taper pin can eject, and the second spring is heavy load spring, and in inclined pin return, the second spring returns taper pin Position, therefore solve when pouring in down a chimney hot flow path and entering gum forming product, because taper pin size is big, exits stroke and angle is big, use The motionless taper pin of heavy load spring top, the problem of using underload spring inclined pin return difficulty.
【Brief description of the drawings】
Fig. 1 illustrates the schematic diagram of the pressure return structure of prior art mold.
Fig. 2 illustrates the schematic diagram for forcing shutter in return structure of prior art mold.
Fig. 3 illustrates the schematic diagram of the pressure return structure of inventive die.
Fig. 4 illustrates the schematic diagram for forcing shutter in return structure of inventive die.
Fig. 5 illustrates the schematic diagram of the pressure die opening state of return structure first of inventive die.
Fig. 6 illustrates the schematic diagram of the pressure die opening state of return structure second of inventive die.
Fig. 7 illustrates the schematic diagram of the pressure return structure matched moulds die opening state of inventive die.
【Embodiment】
Refer to shown in Fig. 3 and Fig. 4, wherein Fig. 3 depicts the schematic diagram of the pressure return structure of inventive die, Fig. 4 Depict the schematic diagram for forcing shutter in return structure of inventive die.
In the present embodiment, the pressure return structure of mould of the invention, enter gum forming product, institute for pouring in down a chimney hot flow path State mould includes bottom plate 100, male template 101, male die core 102, mother module core 103, caster 104, the dynamic plate of sliding block stripping successively 105th, upper ejector plate 106 and lower liftout plate 107, the pressure return structure of the mould include:
Taper pin 108, its one end are located in the upper ejector plate 106, other end shaped article 10;
First return pin 109, its one end are fixed in the caster 104, and the other end is fixed on the upper ejector plate 106 In;
First spring 110, it is underload spring, and first spring 110 is placed on the outer of first return pin 109 Edge, described one end of first spring 110 are located in the caster 104, and the other end supports the upper ejector plate 106;
Second return pin 111, it is located in the male template 101, and second return pin 111 and the male template Active strokes are provided between 101, one end of second return pin 111 supports first return pin 109;
Second spring 112, it is heavy load spring, and described one end of second spring 112 supports the bottom plate 100, separately One end supports the other end of second return pin 111;
Shutter 113, it includes locking bed 114 and lock sleeve 115, and the locking bed 114 is fixed in male template 101, The lock sleeve 115 is fixed on caster 104, and one end of the locking bed 114 passes vertically through the lock sleeve 115 and stretched out The lock sleeve 115.
Wherein, the locking bed 114 includes horizontal part and vertical portion, and the both sides of the vertical portion are provided with two grooves 116, Compared to the shutter 16 forced in return structure of prior art mold, the vertical portion passes vertically through the lock sleeve 115 And the lock sleeve 115 is stretched out, the movement travel of shutter 113 is added, the 113 increased movement travel of shutter is more than institute State the active strokes of the second return pin 111.
Wherein, the horizontal direction of lock sleeve 115 is provided with two screws 117, be provided with the screw 117 grub screw, 3rd spring and bayonet lock, the 3rd spring one end are in contact with above-mentioned grub screw, and the other end is in contact with above-mentioned bayonet lock, the card Pin one end supports the groove 116 of the lock sleeve 115.
Refer to shown in Fig. 5, it depicts the schematic diagram of the pressure die opening state of return structure first of inventive die. When mould molds, it should be to be molded between caster 104 and the dynamic plate 105 of sliding block stripping first, be then male template 101 and caster 104 die sinkings.However, because second spring 112 has active force to caster 104 and the die sinking of male template 101, therefore, die sinking action After beginning, molded simultaneously between caster 104 and the dynamic plate 105 of sliding block stripping and between male template 101 and caster 104.Male template 101 with When being molded between caster 104, under the elastic force effect of second spring 112, the second return pin 111 moves downward.Due to shutter 113 increased movement travels are more than the active strokes of second return pin 111, when the second return pin 111 has moved its activity After stroke, because locking bed 114 is not completely withdrawn from from the lock sleeve 115, the male template 101 and the caster 104 Still locked together in the presence of shutter 113, have no effect on the normal die sinking order of mould, and the caster 104 Then continue die sinking between the dynamic plate 105 of sliding block stripping until molding completely.
Refer to shown in Fig. 6, it depicts the schematic diagram of the pressure die opening state of return structure second of inventive die.Institute State after being molded completely between caster 104 and the dynamic plate 105 of sliding block stripping, the male template 101 continues out with the caster 104 Mould, the locking bed 114 depart from the lock sleeve 115, are molded completely between male template 101 and the caster 104 until stating, Because the first spring 110 employs underload spring, therefore resistance is small when taper pin 108 ejects, and taper pin 108 can eject easily Product 10.
Refer to shown in Fig. 7, it depicts the schematic diagram of the pressure return structure matched moulds die opening state of inventive die.Mould When having matched moulds, the male template 101 and the caster 104 matched moulds first, until the first return pin 109 is pushed up to the second return pin Male and female intermode stops matched moulds when 111, because second spring 112 employs heavy load spring, therefore in the elastic force of second spring 112 Under effect, the second return pin 111 promotes the return of the first return pin 109 and drives upper ejector plate 106 and lower liftout plate 107 first to return Position, after 107 complete return of return pin, upper ejector plate 106 and lower liftout plate, between male template 101 and caster 104 and caster Complete matched moulds again between 104 and the dynamic plate 105 of sliding block stripping.
Compared to prior art, the pressure return structure of mould of the invention, by adding the second return in a mold Pin 111 and second spring 112, and shutter 113 is added into movement travel, first spring 110 is underload spring, Resistance is small when taper pin 108 ejects, and taper pin 108 can eject easily, and the second spring 112 is heavy load spring, in taper pin 108 During return, the second spring 112 makes the return of taper pin 108, therefore solves when pouring in down a chimney into gum forming product 10, due to taper pin 108 sizes are big, exit stroke and angle is big, using the motionless taper pin 108 of heavy load spring top, use underload spring taper pin 108 The problem of return difficulty.

Claims (3)

1. a kind of pressure return structure of mould, the mould includes bottom plate, male template, male die core, mother module core, mother successively Template, sliding block stripping dynamic plate, upper ejector plate and lower liftout plate, it is characterised in that the pressure return structure of the mould includes:
Taper pin, its one end are located in the upper ejector plate, other end shaped article;
First return pin, its one end are fixed in the caster, and the other end is fixed in the upper ejector plate;
First spring, it is underload spring, and first spring is placed on the outer rim of first return pin, first spring One end is located in the caster, and the other end supports the upper ejector plate;
Second return pin, it is located in the male template, and active strokes are provided between second return pin and the male template, One end of second return pin supports first return pin;
Second spring, it is heavy load spring, and described second spring one end supports the bottom plate, and the other end supports described The other end of two return pins;
Shutter, it includes locking bed and lock sleeve, and the locking bed is fixed in male template, and the lock sleeve is fixed on master mold On plate, one end of the locking bed passes vertically through the lock sleeve and stretches out the lock sleeve.
2. the pressure return structure of mould according to claim 1, it is characterised in that the locking bed include horizontal part and Vertical portion, the both sides of the vertical portion are provided with two grooves, and the vertical portion passes vertically through the lock sleeve and stretches out the lock Tight set.
3. the pressure return structure of mould according to claim 2, it is characterised in that the lock sleeve horizontal direction is provided with Two screws, grub screw, the 3rd spring and bayonet lock, the 3rd spring one end and above-mentioned grub screw phase are provided with the screw Contact, the other end are in contact with above-mentioned bayonet lock, and the bayonet lock one end supports the groove of the lock sleeve.
CN201410799155.6A 2014-12-19 2014-12-19 The pressure return structure of mould Active CN105773914B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201410799155.6A CN105773914B (en) 2014-12-19 2014-12-19 The pressure return structure of mould

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Application Number Priority Date Filing Date Title
CN201410799155.6A CN105773914B (en) 2014-12-19 2014-12-19 The pressure return structure of mould

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CN105773914A CN105773914A (en) 2016-07-20
CN105773914B true CN105773914B (en) 2017-12-26

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106737415A (en) * 2016-12-30 2017-05-31 河源市美晨联合智能硬件电子研究院 Mold attaching/detaching tool and mould
CN108312446B (en) * 2017-01-17 2020-08-18 苏州汉扬精密电子有限公司 Demoulding structure
CN107825662A (en) * 2017-12-07 2018-03-23 腾创(天津)精密模具有限公司 A kind of high-precision mold

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3055724B2 (en) * 1991-12-03 2000-06-26 三菱マテリアル株式会社 Mold equipment
CN103465439B (en) * 2012-06-07 2015-11-25 汉达精密电子(昆山)有限公司 The double color mould mechanism of shaping three look products
CN203779787U (en) * 2014-02-28 2014-08-20 汉达精密电子(昆山)有限公司 Ejection structure of die
CN204451026U (en) * 2014-12-19 2015-07-08 汉达精密电子(昆山)有限公司 The pressure return structure of mould

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