CN205033505U - Three -plate mold structure - Google Patents

Three -plate mold structure Download PDF

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Publication number
CN205033505U
CN205033505U CN201520669357.9U CN201520669357U CN205033505U CN 205033505 U CN205033505 U CN 205033505U CN 201520669357 U CN201520669357 U CN 201520669357U CN 205033505 U CN205033505 U CN 205033505U
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CN
China
Prior art keywords
caster
liftout plate
male
product
board
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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
CN201520669357.9U
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Chinese (zh)
Inventor
李永
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.)
Shengmei Precision Industrial Kunshan Co Ltd
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Shengmei Precision Industrial Kunshan Co Ltd
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Priority to CN201520669357.9U priority Critical patent/CN205033505U/en
Application granted granted Critical
Publication of CN205033505U publication Critical patent/CN205033505U/en
Expired - Fee Related legal-status Critical Current
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Abstract

The utility model discloses a three -plate mold structure, the public template that corresponds including the caster, with the caster, be located the caster upside shell flitch, liftout plate and ejection mechanism, be provided with master model benevolence in the caster, be provided with public mould benevolence in the public template, be provided with the die cavity between the merciful and peaceful public mould benevolence of master model, shell and be provided with the feeding runner between flitch and the caster, still be provided with in public mould benevolence with the solation of hiding into of feeding runner intercommunication is said and is said the switching runner of runner intercommunication with the solation of hiding into, the switching runner other end with the die cavity intercommunication, ejection mechanism upper end respectively with the die cavity in the product, the solation of hiding is into said and the switching runner in the stub bar contact, the lower extreme is connected with the liftout plate. The utility model discloses the die cavity accent of messenger's mould benevolence is located injection moulding product's internal surface, has avoided the harmful effects to the product appearance face, and buffering process has been made to the melting plastic to the switching runner, can guarantee that the outward appearance face of product can not produce the strong vestige of expecting.

Description

A kind of Three-board-mould structure
Technical field
The utility model relates to a kind of injection mold, particularly relates to a kind of Three-board-mould structure.
Background technology
Injection mold is a kind of instrument producing plasthetics, is also the instrument giving plasthetics complete structure and accurate dimension.A kind of processing method used when injection mo(u)lding is some complex-shaped parts of batch production, specifically referring to that the material melted being heated injects die cavity, after cooling curing, obtaining formed products.Three template dies are a kind of conventional injection molds, add stripper plate than two template dies, have two die joints and mould is divided into three parts.Three template dies have two-time parting, and first time, second time was between caster and male template, and the surrounding being applicable to goods does not leave the occasion of gate vestiges between stripper plate and caster, and this mould adopts spot pouring mouth, so be also thin mouth of a river mould.Three template dies of prior art comprise caster, male template and stripper plate, and melt plastic cement, through the charging runner between stripper plate and caster, after flowing through the runner between caster and male template, enters the die cavity between mother module core and male die core, carries out injection moulding.Adopt this technology directly to enter die cavity by runner to pour into a mould, injection product surface can be caused smooth not, punching material vestige can be produced, be not suitable for the situation higher to injecting products appearance requirement.
Utility model content
Technical problem to be solved in the utility model is to provide and a kind ofly makes the Three-board-mould structure that injection product surface is smooth, meet apperance requirement.
To achieve these goals, the utility model is achieved by the following technical solutions: a kind of Three-board-mould structure, comprise caster, the male template corresponding with caster, be positioned at the stripper plate on the upside of caster, liftout plate and ejecting mechanism, mother module core is provided with in described caster, male die core is provided with in described male template, die cavity is provided with between mother module core and male die core, charging runner is provided with between described stripper plate and caster, also be provided with in male die core with described charging flow passage hide into solation road and with the switching runner be communicated with into solation road cast gate of hiding, the described switching runner other end is communicated with described die cavity, described ejecting mechanism upper end respectively with product in die cavity, stub bar in solation road and switching runner of hiding contacts, lower end is connected with liftout plate.
Preferably, described ejecting mechanism comprises and draws material thimble, described in draw material thimble lower end to be fixed on liftout plate, upper end contacts with stub bar in solation road of hiding.
Preferably, described ejecting mechanism comprises product thimble, and described product thimble lower end is fixed on liftout plate, and upper end contacts with product in die cavity.
Preferably, described ejecting mechanism comprises taper pin and oblique pin base, and described oblique pin base is fixed on liftout plate, and described taper pin lower end and oblique pin base are slidably connected, and upper end contacts with product in stub bar in switching runner and die cavity.
Preferably, also comprise die holder and male model fixed head, described die holder to be positioned on the upside of stripper plate and to be provided with one and draws material pin, described in draw material pin with described charging flow passage and connectivity part is hemisphere jut, described male model fixed head is positioned at the downside of described liftout plate.
Further, described male template is fixedly connected with by keeper with male model fixed head, and described keeper runs through liftout plate, and described liftout plate moves up and down along keeper.
Preferably, described liftout plate comprises upper ejector plate and lower liftout plate, and described upper ejector plate and lower liftout plate are bolted.
Preferably, described liftout plate is provided with limited block towards male template side.
Preferably, described male die core and described hiding into solation road contact portion are provided with male die insert.
Compared with prior art, the utility model is on the basis of traditional three template dies, set up in male die core and hide into solation road and switching runner, switching runner one end is communicated with the cast gate of hiding into solation road, the other end is communicated with die cavity, and make the die cavity accent between mother module core and male die core at the inner surface of injecting products, namely melt plastic cement is shaping at product inner surface, avoid the harmful effect to Surface Appearance, make the requirement that the outward appearance of product reaches higher.Switching runner has made buffered to melt plastic cement, can ensure that the appearance of product after glue can not produce punching material vestige, improve yield.When product injection moulding complete with die sinking after, the stub bar that the switching runner being arranged in product inner surface is formed can be removed easily, the product of apperance requirement can be obtained.
Accompanying drawing explanation
Fig. 1 is the structural representation of Three-board-mould structure matched moulds state in the utility model one embodiment;
Fig. 2 is the structural representation of Three-board-mould structure half die opening state in the utility model one embodiment;
Fig. 3 is the structural representation of Three-board-mould structure die opening state in the utility model one embodiment.
Shown in figure: 1, die holder; 2, stripper plate; 3, caster; 4, male template; 5, upper ejector plate; 6, lower liftout plate; 7, male model fixed head; 8, limited block; 9, material thimble is drawn; 10, oblique pin base; 11, product thimble; 12, male die core; 13, taper pin; 14, male die insert; 15, hide into solation road; 16, product; 17, mother module core; 18, charging runner; 19, keeper; 20, material pin is drawn.
Detailed description of the invention
Below in conjunction with accompanying drawing, the utility model is described in detail:
As as described in Fig. 1 to Fig. 3, Three-board-mould structure of the present utility model, comprise caster 3, the male template 4 corresponding with caster 3, be positioned at the stripper plate 2 on the upside of caster 3, liftout plate and ejecting mechanism, mother module core 17 is provided with in described caster 3, male die core 12 is provided with in described male template 4, die cavity is provided with between mother module core 17 and male die core 12, charging runner 18 is provided with between described stripper plate 2 and caster 3, also be provided with in male die core 12 hiding of being communicated with described charging runner 18 into solation road 15 and with the switching runner be communicated with into solation road 15 cast gate of hiding, the described switching runner other end is communicated with described die cavity, described ejecting mechanism upper end respectively with product in die cavity 16, stub bar in solation road 15 and switching runner of hiding contacts, lower end is connected with liftout plate.
The utility model is on the basis of traditional three template dies, set up in male die core 12 and hide into solation road 15 and switching runner, switching runner one end is communicated with the cast gate of hiding into solation road 15, the other end is communicated with die cavity, die cavity accent is made to be positioned at the inner surface of product 16, namely melt plastic cement is shaping at product 16 inner surface, avoids the harmful effect to product 16 appearance, makes the requirement that the outward appearance of product 16 reaches higher.Further, switching runner has made buffered to melt plastic cement, can ensure that the appearance of product 16 after glue can not produce punching material vestige, improve yield.When product 16 injection moulding complete with die sinking after, the stub bar that the switching runner being arranged in product 16 inner surface is formed can be removed easily, the product of apperance requirement can be obtained.
Particularly, described ejecting mechanism comprise draw material thimble 9, described in draw material thimble 9 lower end be fixed on liftout plate, upper end contacts with stub bar in solation road 15 of hiding.Adopt this technology, draw material thimble 9 under the promotion of liftout plate, can will to hide into the stub bar ejection device in solation road 15, and do not need artificial removal to hide into the stub bar in solation road 15, save operation, simple to operate.
Particularly, described ejecting mechanism comprises product thimble 11, and described product thimble 11 lower end is fixed on liftout plate, and upper end contacts with product in die cavity.Adopt this technology, product thimble 11 can under the promotion of liftout plate, by product 16 ejection device after shaping, makes product 16 depart from die cavity.
Particularly, described ejecting mechanism comprises taper pin 13 and oblique pin base 10, and described oblique pin base 10 is fixed on liftout plate, and described taper pin 13 lower end and oblique pin base 10 are slidably connected, and upper end contacts with product in stub bar in switching runner and die cavity.Adopt this technology, taper pin 13 lower end and oblique pin base 10 are slidably connected, make taper pin 13 along diagonal movement, both product 16 can be ejected, the warp architecture of simultaneous adaptation switching runner, depart from the stub bar in switching runner in the horizontal direction, conveniently take off the product 16 with the stub bar formed in switching runner, be convenient to post-processed.
Continue referring to figs. 1 through Fig. 3, Three-board-mould structure of the present utility model also comprises die holder 1 and male model fixed head 7, described die holder 1 to be positioned on the upside of stripper plate 2 and to be provided with one and draws material pin 20, described drawing expects that pin 20 is communicated with described charging runner 18 and connectivity part is hemisphere jut, and described male model fixed head 7 is positioned at the downside of described liftout plate.Described male template 4 is fixedly connected with by keeper 19 with male model fixed head 7, and described keeper 19 runs through liftout plate, and described liftout plate moves up and down along keeper 19.Adopt this technology, die holder 1 and male model fixed head 7 carry out spacing to whole Three-board-mould structure, by keeper 19, make liftout plate have mobile space, facilitate ejecting mechanism to carry out ejecting process.
Liftout plate described in Three-board-mould structure of the present utility model comprises upper ejector plate 5 and lower liftout plate 6, and described upper ejector plate 5 and lower liftout plate 6 are bolted.Adopt this technology, be convenient to ejecting mechanism (drawing material thimble 9, product thimble 11, taper pin 13 etc.) to be arranged on upper ejector plate 5.
Liftout plate described in Three-board-mould structure of the present utility model is provided with limited block 8 towards male template 4 side.Adopt this technology, the excessive movement of restriction liftout plate, prevents liftout plate from colliding male template 4.
Male die core 12 described in Three-board-mould structure of the present utility model and described hiding into solation road 15 contact portion are provided with male die insert 14.Adopt this technology, adopt mould core structure to adapt to the injecting products of high-precision requirement, extend the service life of Three-board-mould structure simultaneously.Male die core 12 is provided with male die insert 14 with hiding into solation road 15 contact portion, and male die insert 14 independent of male die core 12, can be convenient to manufacture separately and processing further, and not need to do overall replacement to male die core 12.
Shown in Fig. 3, the course of work of the present utility model will be described in detail below:
First matched moulds process is carried out.Because caster 3 is connected by pull bar position-limit mechanism with stripper plate 2, caster 3 can be made to leave stripper plate 2 one segment distance and can not be separated completely again.During matched moulds, liftout plate drives ejecting mechanism to get back to extreme lower position, and liftout plate is contacted with male model fixed head 7.
Then, under the promotion of injection machine, male template 4 is moved towards caster 3, and male template 4 presses to caster 3 and stripper plate 2, is connected between male template 4 and caster 3 by shutter, finally closes tight completely.After male template 4 and caster 3 matched moulds, drive caster 3 to continue to move up, make caster 3 link together with stripper plate 2 and continue upwards until contact with die holder.Finally, the nozzle on injection machine and the adaptor on Three-board-mould structure closely sealed, complete matched moulds process, start injection moulding.
Carry out die sinking process after injection moulding completes, die sinking process one is divided into three steps.
The first step, is separated stripper plate 2 with caster 3.When male template 4 is subject to the pulling force of injection machine, owing to being equipped with shutter between male template 4 and caster 3, and the pull bar position-limit mechanism between stripper plate 2 and caster 3 be in can extended state, at this moment under a stretching force, stripper plate 2 separates with caster 3, and caster 3 moves downward a segment distance together along with male template 4.Owing to drawing the effect of material pin 20, the stub bar in charging runner 18 can be separated with the stub bar of hiding in solation road 15.
Second step, is separated stripper plate 2 with die holder 1.Caster 3 drives stripper plate 2 by pull bar position-limit mechanism, makes stripper plate 2 leave die holder 1 and moves downward a segment distance, and then makes to draw material pin 20 to separate a segment distance with stripper plate 2, makes to expect that the stub bar that pin 20 links together comes off with drawing.
3rd step, is separated caster 3 with male template 4.Injection machine continues to drive male template 4 to move downward, and pulling force constantly increases, and exceedes the coupling mechanism force of shutter, and caster 3 separates with male template 4, and the die cavity between mother module core 17 and male die core 12 carries out die sinking.Hide into solation road 15 between caster 3 and male template 4, hide into solation road 15 and also open thereupon.Then, under the promotion of liftout plate, liftout plate drives ejecting mechanism to start to eject motion, and product thimble 11 and taper pin 13 eject with the product 16 of stub bar in switching runner, draws material thimble 9 to eject hiding into the stub bar in solation road 15 and comes off.Finally, the stub bar formed by the switching runner being arranged in product 16 inner surface is removed, and can obtain the product of apperance requirement.

Claims (9)

1. a Three-board-mould structure, comprise caster, the male template corresponding with caster, be positioned at the stripper plate on the upside of caster, liftout plate and ejecting mechanism, mother module core is provided with in described caster, male die core is provided with in described male template, die cavity is provided with between mother module core and male die core, charging runner is provided with between described stripper plate and caster, it is characterized in that, also be provided with in male die core with described charging flow passage hide into solation road and with the switching runner be communicated with into solation road cast gate of hiding, the described switching runner other end is communicated with described die cavity, described ejecting mechanism upper end respectively with product in die cavity, stub bar in solation road and switching runner of hiding contacts, lower end is connected with liftout plate.
2. Three-board-mould structure according to claim 1, is characterized in that, described ejecting mechanism comprises and draws material thimble, described in draw material thimble lower end to be fixed on liftout plate, upper end contacts with stub bar in solation road of hiding.
3. Three-board-mould structure according to claim 1, is characterized in that, described ejecting mechanism comprises product thimble, and described product thimble lower end is fixed on liftout plate, and upper end contacts with product in die cavity.
4. Three-board-mould structure according to claim 1, it is characterized in that, described ejecting mechanism comprises taper pin and oblique pin base, and described oblique pin base is fixed on liftout plate, described taper pin lower end and oblique pin base are slidably connected, and upper end contacts with product in stub bar in switching runner and die cavity.
5. Three-board-mould structure according to claim 1, it is characterized in that, also comprise die holder and male model fixed head, described die holder to be positioned on the upside of stripper plate and to be provided with one and draws material pin, describedly draw material pin and described charging flow passage and connectivity part is hemisphere jut, described male model fixed head is positioned at the downside of described liftout plate.
6. Three-board-mould structure according to claim 5, is characterized in that, described male template is fixedly connected with by keeper with male model fixed head, and described keeper runs through liftout plate, and described liftout plate moves up and down along keeper.
7. Three-board-mould structure according to claim 1, is characterized in that, described liftout plate comprises upper ejector plate and lower liftout plate, and described upper ejector plate and lower liftout plate are bolted.
8. Three-board-mould structure according to claim 1, is characterized in that, described liftout plate is provided with limited block towards male template side.
9. Three-board-mould structure according to claim 1, is characterized in that, described male die core and described hiding into solation road contact portion are provided with male die insert.
CN201520669357.9U 2015-08-31 2015-08-31 Three -plate mold structure Expired - Fee Related CN205033505U (en)

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CN201520669357.9U CN205033505U (en) 2015-08-31 2015-08-31 Three -plate mold structure

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Application Number Priority Date Filing Date Title
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Publications (1)

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Country Status (1)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109895330A (en) * 2017-12-08 2019-06-18 汉达精密电子(昆山)有限公司 Three plate mold sprue structures

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109895330A (en) * 2017-12-08 2019-06-18 汉达精密电子(昆山)有限公司 Three plate mold sprue structures

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

Granted publication date: 20160217

Termination date: 20200831

CF01 Termination of patent right due to non-payment of annual fee