CN206154645U - A curved round pin loose core mould of variable angle for special -shaped tapering goods - Google Patents

A curved round pin loose core mould of variable angle for special -shaped tapering goods Download PDF

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Publication number
CN206154645U
CN206154645U CN201621059358.2U CN201621059358U CN206154645U CN 206154645 U CN206154645 U CN 206154645U CN 201621059358 U CN201621059358 U CN 201621059358U CN 206154645 U CN206154645 U CN 206154645U
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China
Prior art keywords
core
fixed
bilge
turn
die cavity
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Withdrawn - After Issue
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CN201621059358.2U
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Chinese (zh)
Inventor
陈功振
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Fuzhou University
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Fuzhou University
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Priority to CN201621059358.2U priority Critical patent/CN206154645U/en
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Abstract

The utility model relates to a curved round pin loose core mould of variable angle for special -shaped tapering goods, fixed die plate and movable mould board including mutual lock, mutually support between fixed die plate and the movable mould board and form a confined die cavity, be equipped with a core in the die cavity, form the passageway of moulding plastics between core and the die cavity, the core is connected with the horizontal slider that sets up, a slider and a curved round pin cooperation sliding connection, curved round pin is worn to locate the slider, be equipped with on the slider with the gliding chute of curved round pin cooperation, curved round pin is by being fixed in that the cover half is pulled and the fixed part of vertical setting, the first turn of bilge of being connected with the fixed part and the second turn of bilge of being connected with first turn of bilge, contained angle between first turn of bilge and the fixed part is less than the contained angle of second turn of bilge and fixed part. The utility model has the advantages of through variable angle's curved round pin, the loosing core of better completion dysmorphism tapering goods.

Description

For the curved pin core-pulling die of varied angle of special-shaped taper product
Technical field
The utility model is related to mold injection core pulling field, more particularly to a kind of varied angle for special-shaped taper product is curved Pin core-pulling die.
Background technology
At present, existing core-pulling die structure has:
(1) artificial pulled core structure;
(2) motor-driven pulled core structure;
(3) hydraulic core_pulling structure.
Hand-operated core pulling structure be after die sinking, it is outer by manually making in mould by manually together taking out side core-pulling or insert Product is separated with core, though its simple structure, easily manufactured, troublesome poeration, productivity ratio is extremely low, and labor strength is big, system Quality is poor, and safety of workers is difficult to ensure that.Motor-driven pulled core structure, by the mould opening force of die casting machine when it is die sinking, by transmission Part, side core is extracted out, and Core-pulling force is big, and production efficiency is high, and easy to operate, reliable in action can be divided by the kind of drive:Angle Pin Pulled core structure, angled-lift splits parting and pulled core structure, rack-and-pinion pulled core structure, although these mechanisms possess above-mentioned each advantage, but Shortcoming is also more in actual production, and they can not complete the core pulling of complex-shaped product, in particular for some special-shaped tapers Product, longer dimension, the Angle Pin easily stuck Angle Pin that fractures in the hole of angled-lift splits, angled-lift splits easily collides burn failure mould type Core and die cavity.Hydraulic core_pulling structure, it is the extraction that side core is completed by hydraulic system, and its Core-pulling force is big, stable action, but Mould must manufacture more auxiliary component, have many places to need the product of core pulling to complete to take out on same slide block while inside can not be completed Core action.
The content of the invention
The purpose of this utility model is for above weak point, there is provided a kind of varied angle for special-shaped taper product Curved pin core-pulling die, realizes the stable core pulling of special-shaped taper product.
The utility model solves the scheme that adopted of technical problem:A kind of curved pin of varied angle for special-shaped taper product Core-pulling die, including the mutual solid plate for fastening and moving platen, complements each other to form an envelope between the solid plate and moving platen The die cavity for closing, is provided with a core in the die cavity, injection channel, the core and horizontally set are formed between core and die cavity Slide block is connected, and the slide block is slidably connected with a curved pin cooperation, and the curved pin is arranged in the slide block, and the slide block is provided with The skewed slot for sliding, the curved pin is coordinated to be pulled and longitudinally disposed fixed part and fixed part by cover half is fixed on the curved pin First turn of bilge of connection and the second turn of bilge being connected with the first turn of bilge, the angle between first turn of bilge and fixed part is less than institute State the angle of the second turn of bilge and fixed part.
Further, the angle between first turn of bilge and fixed part is less than or equal to 30 °, second turn of bilge and fixation The angle in portion is more than or equal to 45 °.
Further, the die cavity includes the first horizontal die cavity and the second die cavity being obliquely installed, second die cavity It is connected with the second die cavity.
Further, the running channel of a longitudinal direction, the running channel and first die cavity and second are additionally provided with the solid plate Die cavity is connected, and the correspondence running channel is additionally provided with a sprue puller on the moving platen.
Further, the moving platen is provided with the guide pillar extended longitudinally in solid plate, the cover half pull be provided with The guide pin bushing that the guide pillar coordinates.
Further, the slide block is arranged in a set of cylinder, and the sleeve is arranged at the side of the die cavity, the slide block Jing The curved pin drives edge sleeve slides laterally, and the locking member for fixes sleeve is additionally provided with the sleeve.
Further, the cover half pulls the voussoir being additionally provided with to moving platen Longitudinal extending, and the slip is provided with and institute State the wedge groove of voussoir bottom cooperation.
Further, the solid plate and moving platen are individually fixed on certain die holder and dynamic model seat, the cover half seat and A transfer bar mechanism is connected between dynamic model seat, the catch bar of the transfer bar mechanism is fixedly connected with dynamic model seat.
Compared with prior art, the utility model has following beneficial effect:By first turn of bilge and the second turn of bilge of curved pin Movement, realize to longer dimension and special-shaped taper product carries out core pulling so as to drive to slide, the folder of the first turn of bilge and fixed part Less than the second turn of bilge and the angle of fixed part, different power are applied to sliding carries out core pulling, and realization quickly carries out core pulling at angle;In addition By controlling the first turn of bilge with the angle and the second turn of bilge of fixed part and the angle of fixed part, it is ensured that during core pulling, curved pin Will not fracture.
Description of the drawings
The utility model patent is further illustrated below in conjunction with the accompanying drawings.
Fig. 1 is the front view of the curved pin core-pulling die of varied angle of the utility model embodiment.
Fig. 2 is the top view of the curved pin core-pulling die of varied angle of the utility model embodiment.
Fig. 3 is the side view of the curved pin core-pulling die of varied angle of the utility model embodiment.
Fig. 4 is the structural representation of the curved pin of the utility model embodiment.
In figure:1- voussoirs;2- cover half is pulled;The curved pins of 3-;30- fixed parts;The turn of bilges of 31- first;The turn of bilges of 32- second;4- slide blocks; 5- sleeves;6- locking members;7- moving platens;8- die cavitys;9- sprue pullers;10- guide pillars;11- guide pin bushings;12- running channels.
Specific embodiment
The utility model is further illustrated with reference to the accompanying drawings and detailed description.
As shown in figures 1-4, the curved core-pulling die of pin 3 of a kind of varied angle for special-shaped taper product of the present embodiment, including The cover half for mutually fastening pulls 2 and moving platen 7, and the cover half pulls the die cavity 8 that a closing is complemented each other to form between 2 and moving platen 7, A core is provided with the die cavity 8, injection channel is formed between core and die cavity 8, the phase of slide block 4 of the core and horizontally set Connection, the slide block 4 is slidably connected with the cooperation of a curved pin 3, and the curved pin 3 is arranged in the slide block 4, and the slide block 4 is provided with The skewed slot for sliding, the curved pin 3 is coordinated to be pulled and longitudinally disposed fixed part and fixation by cover half is fixed on the curved pin 3 First turn of bilge of portion's connection and the second turn of bilge being connected with the first turn of bilge, the angle between first turn of bilge and fixed partIt is little In second turn of bilge and the angle of fixed part
In the present embodiment, the angle between first turn of bilge and fixed partLess than or equal to 30 °, second turn of bilge With the angle of fixed partMore than or equal to 45 °.
From the foregoing, the beneficial effects of the utility model are:By the bending angle for changing curved pin 3 so that first The angle of turn of bilge and fixed partLess than the second turn of bilge and the angle of fixed part, applying different power to sliding carries out core pulling, Realization quickly carries out core pulling;Additionally by the first turn of bilge of control and the angle and the second turn of bilge of fixed part and the angle of fixed part, Ensure during core pulling, curved pin 3 will not fracture.
In the present embodiment, the die cavity 8 includes the first horizontal die cavity and the second die cavity for being obliquely installed, described second Die cavity and the second die cavity are connected.By the angle of inclination for changing relative first die cavity of the second die cavity, can be molded different different Shape taper product, meets the requirement of more multiple products.
In the present embodiment, the cover half pulls the running channel 12 that a longitudinal direction is additionally provided with 2, the running channel 12 and first type Chamber is connected with the second die cavity, and the correspondence running channel 12 is additionally provided with a sprue puller 9 on the moving platen 7.
In the present embodiment, the moving platen 7 is provided with and extends longitudinally to the guide pillar 10 that cover half is pulled in 2, and the cover half is pulled It is provided with the guide pin bushing 11 coordinated with the guide pillar 10.Die sinking and matched moulds are completed by the cooperation of guide pillar 10 and guide pin bushing 11.
In the present embodiment, the slide block 4 is arranged in a sleeve 5, and the sleeve 5 is arranged at the side of the die cavity 8, institute State the drives edge sleeve 5 of curved pin 3 described in the Jing of slide block 4 to slide laterally, be additionally provided with the sleeve 5 for the locking member of fixes sleeve 5 6.Logical sleeve 5 carries out spacing to slide block 4.
In the present embodiment, the cover half pulls the voussoir 1 being additionally provided with to the Longitudinal extending of moving platen 7, sets in the slip There is the wedge groove coordinated with the bottom of the voussoir 1.In injection moulding process, the meeting during injection curing molding of the product in die cavity 8 Certain outward thrust is caused to slide block 4, position of the slide block 4 in injection moulding process is limited by voussoir 1, the curved pin 3 of protection will not Because the thrust slided causes to damage.
In the present embodiment, the cover half pull 2 and moving platen 7 be individually fixed on certain die holder and dynamic model seat, it is described fixed A transfer bar mechanism is connected between die holder and dynamic model seat, the catch bar of the transfer bar mechanism is fixedly connected with dynamic model seat.It is described to push away Linkage is a cylinder, and cylinder is fixed on cover half seat, and the piston rod of cylinder is connected along longitudinal direction with dynamic model seat, promotes dynamic model seat to enter Row die sinking.
The specific implementation process of the present embodiment:
Injection is first begin to, moving platen 7 and cover half are pulled 2 and mutually fastened, and die cavity 8 is closed, and now pour into a mould liquid Jing injections logical Road curing molding in die cavity 8;Then core pulling is started, dynamic model block pulls separation with respect to cover half, now the relative moving platen 7 of curved pin 3 is moved Dynamic, under laterally outward side shifting is carried out again, first turn of bilge and the second turn of bilge of curved pin 3 are arranged in successively slide block 4 to band movable slider 4 Skewed slot, complete core pulling.
In sum, the curved pin core-pulling die of the varied angle for special-shaped taper product that the utility model is provided, by becoming The curved pin of angle, realizes the quick core pulling of special-shaped taper product.
Above-listed preferred embodiment, is further described to the purpose of this utility model, technical scheme and advantage, Should be understood that and the foregoing is only preferred embodiment of the present utility model, it is all not to limit the utility model Within spirit of the present utility model and principle, any modification, equivalent substitution and improvements made etc. should be included in this practicality Within new protection domain.

Claims (8)

1. the curved pin core-pulling die of a kind of varied angle for special-shaped taper product, it is characterised in that:Including the mutual cover half for fastening Plate and moving platen, complement each other to form the die cavity of a closing between the solid plate and moving platen, a type is provided with the die cavity Core, forms injection channel between core and die cavity, the core is connected with the slide block of horizontally set, the slide block and a curved pin Cooperation is slidably connected, and the curved pin is arranged in the slide block, and the slide block is provided with and coordinates the skewed slot for sliding, institute with the curved pin State curved pin by be fixed on cover half pull and longitudinally disposed fixed part and fixed part connection the first turn of bilge and with the first turn of bilge connect The second turn of bilge for connecing, the angle between first turn of bilge and fixed part is less than second turn of bilge and the angle of fixed part.
2. the curved pin core-pulling die of the varied angle for special-shaped taper product according to claim 1, it is characterised in that:It is described Angle between first turn of bilge and fixed part is less than or equal to 30 °, and second turn of bilge is more than or equal to 45 ° with the angle of fixed part.
3. the curved pin core-pulling die of the varied angle for special-shaped taper product according to claim 1, it is characterised in that:It is described Die cavity includes the first horizontal die cavity and the second die cavity being obliquely installed, and second die cavity and the second die cavity are connected.
4. the curved pin core-pulling die of the varied angle for special-shaped taper product according to claim 3, it is characterised in that:It is described The running channel of a longitudinal direction is additionally provided with solid plate, the running channel is connected with first die cavity and the second die cavity, the moving platen The upper correspondence running channel is additionally provided with a sprue puller.
5. the curved pin core-pulling die of the varied angle for special-shaped taper product according to claim 1, it is characterised in that:It is described Moving platen is provided with the guide pillar extended longitudinally in solid plate, and the cover half is pulled and is provided with the guide pin bushing coordinated with the guide pillar.
6. the curved pin core-pulling die of the varied angle for special-shaped taper product according to claim 1, it is characterised in that:It is described Slide block is arranged in a set of cylinder, and the sleeve is arranged at the side of the die cavity, and curved pin drives edge sleeve described in the slide block Jing is horizontal To slip, the locking member for fixes sleeve is additionally provided with the sleeve.
7. the curved pin core-pulling die of the varied angle for special-shaped taper product according to claim 1, it is characterised in that:It is described Cover half pulls the voussoir being additionally provided with to moving platen Longitudinal extending, and the slip is provided with the wedge groove coordinated with the voussoir bottom.
8. the curved pin core-pulling die of the varied angle for special-shaped taper product according to claim 1, it is characterised in that:It is described Solid plate and moving platen are individually fixed on certain die holder and dynamic model seat, and between the cover half seat and dynamic model seat a push rod is connected with Mechanism, the catch bar of the transfer bar mechanism is fixedly connected with dynamic model seat.
CN201621059358.2U 2016-09-18 2016-09-18 A curved round pin loose core mould of variable angle for special -shaped tapering goods Withdrawn - After Issue CN206154645U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201621059358.2U CN206154645U (en) 2016-09-18 2016-09-18 A curved round pin loose core mould of variable angle for special -shaped tapering goods

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201621059358.2U CN206154645U (en) 2016-09-18 2016-09-18 A curved round pin loose core mould of variable angle for special -shaped tapering goods

Publications (1)

Publication Number Publication Date
CN206154645U true CN206154645U (en) 2017-05-10

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Application Number Title Priority Date Filing Date
CN201621059358.2U Withdrawn - After Issue CN206154645U (en) 2016-09-18 2016-09-18 A curved round pin loose core mould of variable angle for special -shaped tapering goods

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
CN106182640A (en) * 2016-09-18 2016-12-07 福州大学 Varied angle curved pin core-pulling die and method of work thereof for abnormity tapering goods

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106182640A (en) * 2016-09-18 2016-12-07 福州大学 Varied angle curved pin core-pulling die and method of work thereof for abnormity tapering goods

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Granted publication date: 20170510

Effective date of abandoning: 20180918

AV01 Patent right actively abandoned