CN107571464A - A kind of multi-direction core-pulling die - Google Patents
A kind of multi-direction core-pulling die Download PDFInfo
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- CN107571464A CN107571464A CN201711005442.5A CN201711005442A CN107571464A CN 107571464 A CN107571464 A CN 107571464A CN 201711005442 A CN201711005442 A CN 201711005442A CN 107571464 A CN107571464 A CN 107571464A
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- 238000001746 injection moulding Methods 0.000 description 2
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Abstract
The present invention relates to multi-direction core-pulling die, by setting sliding block core-pulling mechanism：First, take-up housing and outer side action sliders are connection that can be movable, i.e., during open mold, after take-up housing first departs from initial position certain distance, outer side action sliders are driven by stopping means be stripped again；Secondly, outer side action sliders are provided with secondary core-pulling slide block, and take-up housing is provided with secondary Angle Pin, and the two adaptation forms guide pillar sliding block core-pulling mechanism, realize secondary core pulling die sinking；Mould is more simple, while avoids the problem of failure hits mould, reduces mold failure rate.
Description
Technical field
The invention belongs to technology of die manufacturing field, and in particular to a kind of center in the core pulling direction of product again simultaneously
There is the multi-direction core-pulling die of core pulling action normal thereto.
Background technology
In the prior art, for the valve body class Injection Molding Products of complexity, its is complicated, multi-direction to have screw thread or chamber
Body, often require that injection mold has core pulling action normal thereto again simultaneously in the center in the core pulling direction of product, and
Their motion rail forms actual intersection.
In multi-direction core-pulling die, core pulling that the action request of open mold is in above is wanted under could entering after the completion of elder generation
The action of one step；Therefore, in conventional design, this kind of core pulling can be taken out by the way of sliding block+Angle Pin, or using oil cylinder
The mode of core+sliding block.
With reference to shown in Fig. 1, valve body tube 9 is a four-way body, and the valve body tube 9 has the fluid cavity 91 of insertion, the fluid
One openend of chamber 91 has the inner tube 92 for protruding out valve body tube 9, and the outside wall surface of the inner tube 92 is provided with the connecting groove of annular；
During the die sinking of the moulding of valve body tube 9, the openend of fluid cavity 91 need to set the core pulling of horizontal direction first, the inner tube 92
Connecting groove must be by the core moulding on vertical direction, and therefore, the mould has three core pulling directions：Level is to the left, vertically
Upwards and straight down.
If using sliding block+Angle Pin mode, in conjunction with Fig. 2, the injection mold is used for the valve body tube 9 for being molded Fig. 1, and it is adopted
With sliding block+Angle Pin mode come formed valve body pipe 9, sliding block and corresponding Angle Pin can not be with core pullings on same pedestal.
A plates 3 are provided with cover half, and provided with the first core pulling 30 through A plates 3；The dynamic model is provided with moving platen 1 and pusher
Plate 2, the second core pulling 10 run through scraping wings 2 on moving platen 1；The 3rd core pulling 4 of activity installation, corresponding, A on scraping wings 2
Plate 3 is provided with the Angle Pin 31 that can be inserted in the 3rd core pulling 4；And then three prescriptions are formed to different core-pulling mechanism.This kind of mould
It is required that three groups of core-pulling mechanism sequence of motions will be according to a specific order, i.e., former way returns, so a set of control must be done again
Mechanism come ensure the die sinking of mould order.Therefore mould also complicates.
In other implementations, it is also possible to oil cylinder realizes sequence of motion control, but the typical feature of oil cylinder be exactly speed-
The bad control of time graph, instantaneous velocity is high, and stroke is difficult to accurately control.It is finally substantially dependent on inductive switch.And work as
When inductive switch is faulty or inaccurate, problem will be following.Light then mould is not opened, and heavy then sliding block is broken mutually.
Therefore, continue to replace electronic structure with mechanical structure, open mold core pulling order is realized, to improve die life.
The content of the invention
The present invention is intended to provide a kind of multi-direction core-pulling die, to solve existing polyaxial core-pulling die sequence control mechanism
The problem of complexity, control accuracy be not high, and mold failure rate is high.
Concrete scheme is as follows：A kind of multi-direction core-pulling die, including dynamic model, cover half and sliding block core-pulling mechanism, the sliding block
Core-pulling mechanism can be actively on dynamic model or cover half；The sliding block core-pulling mechanism includes take-up housing and is installed on the take-up housing
Outer side action sliders；The outer side action sliders movable can be installed on the take-up housing by stopping means；The take-up housing with
The spring for separating the two is additionally provided between the outer side action sliders；Secondary core pulling dress is additionally provided with the sliding block core-pulling mechanism
Put, the secondary core-pulling device includes secondary core-pulling slide block and the secondary Angle Pin being adapted to therewith, the secondary Angle Pin are fixed on
On the take-up housing, the secondary core-pulling slide block can be actively in the outer side action sliders；Matched moulds state, the secondary Angle Pin are inserted
Located at the secondary core-pulling slide block, to drive secondary core-pulling slide block when take-up housing departs from outer side action sliders with respect to the outer side core-pulling
Sliding block moves.
Further, the demoulding moving direction of the secondary core-pulling slide block is perpendicular to the demoulding movement side of the outer side action sliders
To.
Further, a central core pulling is additionally provided with the take-up housing, the secondary Angle Pin is taken out including being respectively arranged on the center
The lower Angle Pin of both sides and upper Angle Pin above and below core；Corresponding, the secondary core-pulling slide block includes upper core pulling setting up and down and slided
Block and lower core-pulling slide block.
Further, it is lower end to define the sliding block core-pulling mechanism away from the one end in die sinking face, under the sliding block core-pulling mechanism
End is additionally provided with support block；The support block is fixed on the take-up housing, and under matched moulds state, the support block protrudes out to the lower core pulling and slided
The lower section of block.
Further, the end of the support block has a supporting oblique surface, and the supporting oblique surface inclines parallel to the lower Angle Pin
Tilted direction；Corresponding, the bottom of the lower core-pulling slide block tilts parallel to the supporting oblique surface.
Further, the sliding block core-pulling mechanism is on the dynamic model, on the cover half to should the position of take-up housing be provided with one
Primary Angle Pin；
Or
The sliding block core-pulling mechanism can be actively on dynamic model or cover half, and the dynamic model or cover half are provided with core pulling oil
Cylinder, the piston rod of the core pulling oil cylinder are connected on the take-up housing.
Further, the stopping means includes caging bolt, and the caging bolt runs through the take-up housing, after screw togather and be installed on this
In outer side action sliders；The caging bolt can do limited travel activity with respect to the take-up housing, so that the outer side action sliders can live
It is installed on dynamicly on take-up housing.
Further, the spring is pressing spring, and the take-up housing cooperatively forms a spring installation cavity with the outer side action sliders,
The pressing spring, to apply an active force away from take-up housing to the outer side action sliders, realizes two in the spring installation cavity
The separation of person.
The multi-direction core-pulling die of the present invention, by setting sliding block core-pulling mechanism：First, take-up housing and outer side action sliders
For can activity connection, i.e., during open mold, after take-up housing first departs from initial position certain distance, outer side action sliders again by
Stopping means drives the demoulding；Secondly, outer side action sliders are provided with secondary core-pulling slide block, and take-up housing is provided with secondary Angle Pin,
The two adaptation forms guide pillar-sliding block core-pulling mechanism, realizes secondary core pulling die sinking；Preferably, by cross built in outer side action sliders
To slotting secondary core-pulling slide block, realize the multi-direction die sinking core pulling of vertical direction and horizontal direction, and save except scraping wings,
The original paper such as sequence control mechanism and time schedule controller, mould are more simple；Meanwhile even if side core-pulling sliding block action less than
Position, but side core-pulling sliding block can be inserted in by the sliding block inclined-plane of cover half, because the angle of chamfer of sliding block is more than secondary core-pulling slide block
The angle of chamfer, so side core-pulling sliding block may proceed to act, and final safe matched moulds.That is, the operating distance of oil cylinder can be with
There is bigger scope；Or assume secondary Angle Pin corrupted, finally also says it is also simply to draw product bad, therefore, avoid former
The problem of barrier hits mould, reduces mold failure rate.
Brief description of the drawings
Fig. 1 shows prior art valve body tube structural representation；
Fig. 2 shows prior art valve body tube injection mold partial sectional view；
Fig. 3 shows the structural representation of sliding block core-pulling mechanism of embodiment of the present invention connection oil cylinder；
Fig. 4 shows another viewing angle constructions schematic diagrames of Fig. 3；
Fig. 5 shows sectional view at sliding block core-pulling mechanism secondary core-pulling device of the embodiment of the present invention；
Fig. 6 shows sectional view at sliding block core-pulling mechanism stopping means of the embodiment of the present invention；
Fig. 7 shows sliding block core-pulling mechanism of embodiment of the present invention blast front view；
Fig. 8 shows sliding block core-pulling mechanism detonation configuration view of the embodiment of the present invention.
Embodiment
To further illustrate each embodiment, the present invention is provided with accompanying drawing.These accompanying drawings are the invention discloses the one of content
Point, it can coordinate the associated description of specification to explain the operation principles of embodiment mainly to illustrate embodiment.Coordinate ginseng
These contents are examined, those of ordinary skill in the art will be understood that other possible embodiments and advantages of the present invention.In figure
Component be not necessarily to scale, and similar element numbers are conventionally used to indicate similar component.
In conjunction with the drawings and specific embodiments, the present invention is further described.
With reference to shown in Fig. 3, the embodiment provides a kind of multi-direction core-pulling die, including dynamic model (not shown), cover half
(not shown) and sliding block core-pulling mechanism 5, the sliding block core-pulling mechanism 5 actively be able to can be located on dynamic model.
With reference to Fig. 5 and Fig. 6, the sliding block core-pulling mechanism 5 includes take-up housing 51 and is movably installed on the take-up housing 51
Outer side action sliders 52；The outer side action sliders 52 are movable to be installed on by stopping means on the take-up housing 51,
Specifically, the stopping means is caging bolt, the take-up housing 51 is provided with the through hole 511 that aperture is shunk, and the through hole is hole
The stepped contraction in footpath, it is slightly larger than the protrusion afterbody of caging bolt away from one end of outer side action sliders 52, and the other end is that is, suitable
Threaded shank assigned in caging bolt, the threaded shank of the caging bolt run through the take-up housing 51 by through hole 511, after screw togather and be installed on
In the outer side action sliders 52；The caging bolt afterbody is disposed through in hole 511, and then the relative take-up housing 51 can do restricted driving
Journey activity, so that the outer side action sliders 52 can be movably arranged on take-up housing 51.
The pressing spring for separating the two is additionally provided between the take-up housing 51 and the outer side action sliders 52：The take-up housing 51
A spring installation cavity 512 is cooperatively formed with the outer side action sliders 52, the pressing spring is in the spring installation cavity 512, and it two
End contacts at take-up housing 51 and outer side action sliders 52 respectively, to apply one away from take-up housing 51 to the outer side action sliders 52
Active force, realize the separation of the two.
Preferably, to realize manufacture simplification, the take-up housing 51 is provided with a fixed plate 510, and the one of the spring installation cavity 512
End is in the fixed plate 510, and the narrower bore section of the through hole 511 is in the fixed plate 510；And through hole 511 and spring
Installation cavity 512 molds moving direction each parallel to outer side action sliders 52.
In this embodiment, the fixed plate 510 is rectangle plate, and the spring installation cavity 512 has four, and it is arranged in close
Four corner positions of the fixed plate 510；The through hole 511 has four, and corresponding, the caging bolt has four, the through hole
511 be opened in should 510 4 edge centers of fixed plate position.
With reference to shown in Fig. 3 to Fig. 8, secondary core-pulling device is additionally provided with the sliding block core-pulling mechanism 5, with towards the direction of cover half
For top, then the secondary core-pulling device includes two secondary core-pulling slide blocks and two secondary Angle Pin posts, and twice levels are tiltedly led
Post is correspondingly fixed in fixed plate 510, and an Angle Pin corresponding inserted is located at sliding block in a level core-pulling slide block to form one
Secondary sliding block-guide pillar core-pulling mechanism in core-pulling mechanism 5.
Specifically, the two secondary Angle Pins are respectively upper Angle Pin 513 and lower Angle Pin 514 setting up and down, on this
Angle Pin 513 and lower Angle Pin 514 are positioned and again in the fixed plate 510, then by the fixed plate 510 by pin
It is fixedly installed on the take-up housing 51, this kind of fixed form, its fit precision is high, processing technology is simple, and repairs convenient disassembly.
In this embodiment, position of Angle Pin 513 towards moulding is inclined upwardly extension on this, corresponding, the lower court of Angle Pin 513
Extension is tilted down to the position of moulding, and then forms the two core pulling directions mutually deviated from.
The two secondary core-pulling slide blocks are respectively upper core-pulling slide block 53 and lower core-pulling slide block 54 setting up and down, and the outside is taken out
Core sliding block 52 is provided with the mounting hole of vertical extension and up/down perforation, is divided on this on core-pulling slide block 53 and lower core-pulling slide block 54
That puts movable can be loaded in the mounting hole, and then in the outer side action sliders 52.
Corresponding, core-pulling slide block 53 and lower core-pulling slide block 54 are respectively equipped with inclined guide pillar hole on this, matched moulds state, on
The tilting section of Angle Pin 513 and lower Angle Pin 514 is inserted in core-pulling slide block 53 and lower core-pulling slide block 54 respectively, and then
So that when take-up housing 51 departs from outer side action sliders 52, two secondary core-pulling slide blocks of driving move with respect to the outer side action sliders 52
It is dynamic, and the core pulling straight up of upper core-pulling slide block 53, and the core pulling straight down of lower core-pulling slide block 54.
In this embodiment, mounting hole runs through the outer side action sliders 52 up and down, and then, under matched moulds state, core pulling on this
Sliding block 53 is compressed by cover half, realizes the sealed fixation of die-closed position.To realize the lower sealed fixation of the die-closed position of core-pulling slide block 54, the cunning
The lower end of block core-pulling mechanism 5 is additionally provided with support block 55：Wherein, the support block 55 is fixed on the take-up housing 51, and matched moulds state
Under, the free end of the support block 55 protrudes out to the lower section of the lower core-pulling slide block 54, wherein, it is preferred that the freedom of the support block 55
End upside has a supporting oblique surface for tilting extension, and the supporting oblique surface is taken out under this parallel to the incline direction of the lower Angle Pin 514
The bottom of core sliding block 54 tilts parallel to the supporting oblique surface, and then realizes that the support of lower core-pulling slide block 54 is fixed.
In this embodiment, the demoulding movement side of core-pulling slide block 53 and lower core-pulling slide block 54 is gone up in the secondary core-pulling slide block
To the demoulding moving direction perpendicular to the outer side action sliders 52；And one is additionally provided with the take-up housing 51 along outer side action sliders 52
The central core pulling 56 of moving direction extension is stripped, upper core-pulling slide block 53 and lower core-pulling slide block 54 are respectively arranged on the central core pulling 56
Both sides up and down.Likewise, the central core pulling 56 and the support block 55 are to be installed on the take-up housing by the fixed block 510
On 51.
Due to using built-in sliding block-Angle Pin core-pulling mechanism, Angle Pin size design is limited, to realize optimal fixed effect
Fruit, the guide pillar hole on this on core-pulling slide block 53 and lower core-pulling slide block 54 are set for insertion, and in the outer side action sliders 52, it is right
The position of guide pillar bore end under matched moulds state is answered to be additionally provided with jack, end of Angle Pin 513 and lower Angle Pin 514 is all provided with this
Have one along the direction of motion of take-up housing 51 extend inserted block, the inserted block corresponding inserted in jack, realize Angle Pin 513 and
The fixation of the lower end of Angle Pin 514.
In this embodiment, the sliding block core-pulling mechanism 5 can be actively on dynamic model, and the dynamic model is provided with core pulling oil
Cylinder 6, the piston rod of the core pulling oil cylinder 6 is connected on the take-up housing 51, to realize the driving of sliding block core-pulling mechanism 5.It is appreciated that
, in other embodiments, oil cylinder element can also be cancelled, specifically, the sliding block core-pulling mechanism is located at the dynamic model
On, on the cover half to should the position of take-up housing be provided with a primary Angle Pin, with form realize that sliding block core-pulling mechanism 5 drives just
Level sliding block-guide pillar core-pulling mechanism.
The course of work of the embodiment is as follows：
A：Injection moulding machine mould open, solid plate and the moving platen on dynamic model on cover half separate；The top quilt of core-pulling slide block 53 on this
Release；
B：Core pulling oil cylinder 6 acts, and take-up housing 51 moves laterally, while drives central core pulling 56 to be displaced outwardly；Take-up housing
Angle Pin 513 and lower Angle Pin 514 continue to move to slide to act on upper core-pulling slide block 53 and lower core pulling in 51 synchronous drives
Block 54；The synchronous outer shifting of support block 55 simultaneously, lower core-pulling slide block 54 no longer supports, and the upper surface of upper core-pulling slide block 53 is due to cover half
Depart from, there is no support, and therefore, synchronization is upward for the two, moves down, and is finally disengaged with product；
In the process, outer side action sliders 52 are in the presence of built-in pressing spring and front-end product enclasping force, with sliding block
Seat 51 separates, and secondary core-pulling device is not operating, stays in the original location；
C：After upper core-pulling slide block 53 and lower core-pulling slide block 54 disengage, effect of the outer side action sliders 52 in Limit screw
Under, it is displaced outwardly together with take-up housing 51, until stop bit.The outer die sinking of side action sliders 52 is completed.
D：Product ejects.
Although specifically showing and describing the present invention with reference to preferred embodiment, those skilled in the art should be bright
In vain, do not departing from the spirit and scope of the present invention that appended claims are limited, in the form and details can be right
The present invention makes a variety of changes, and is protection scope of the present invention.
Claims (8)
1. a kind of multi-direction core-pulling die, including dynamic model, cover half and sliding block core-pulling mechanism, the sliding block core-pulling mechanism can be actively
On dynamic model or cover half；The sliding block core-pulling mechanism includes take-up housing and the outer side action sliders being installed on the take-up housing；
It is characterized in that：
The outer side action sliders movable can be installed on the take-up housing by stopping means；
The spring for separating the two is additionally provided between the take-up housing and the outer side action sliders；
Secondary core-pulling device is additionally provided with the sliding block core-pulling mechanism, the secondary core-pulling device is including secondary core-pulling slide block and therewith
The secondary Angle Pin of adaptation, the secondary Angle Pin are fixed on the take-up housing, and the secondary core-pulling slide block can be actively outer located at this
In side action sliders；
Matched moulds state, the secondary Angle Pin are inserted in the secondary core-pulling slide block, to be driven when take-up housing departs from outer side action sliders
Secondary core-pulling slide block is moved to move relative to the outer side action sliders.
2. multi-direction core-pulling die according to claim 1, it is characterised in that：The demoulding movement side of the secondary core-pulling slide block
To the demoulding moving direction perpendicular to the outer side action sliders.
3. multi-direction core-pulling die according to claim 1, it is characterised in that：A center is additionally provided with the take-up housing to take out
Core, the secondary Angle Pin include being respectively arranged on the central the core pulling lower Angle Pin of both sides and upper Angle Pin up and down；It is corresponding, should
Secondary core-pulling slide block includes upper core-pulling slide block setting up and down and lower core-pulling slide block.
4. multi-direction core-pulling die according to claim 3, it is characterised in that：The sliding block core-pulling mechanism is defined away from die sinking
The one end in face is lower end, and the lower end of the sliding block core-pulling mechanism is additionally provided with support block；The support block is fixed on the take-up housing, and is closed
Under mould state, the support block protrudes out to the lower section of the lower core-pulling slide block.
5. multi-direction core-pulling die according to claim 4, it is characterised in that：The end of the support block has a support oblique
Face, incline direction of the supporting oblique surface parallel to the lower Angle Pin；Corresponding, the bottom of the lower core-pulling slide block is parallel to the support
Inclined-plane tilts.
6. multi-direction core-pulling die according to claim 1, it is characterised in that：The sliding block core-pulling mechanism is located at the dynamic model
On, on the cover half to should the position of take-up housing be provided with a primary Angle Pin；
Or
The sliding block core-pulling mechanism can be actively on dynamic model or cover half, and the dynamic model or cover half are provided with a core pulling oil cylinder, should
The piston rod of core pulling oil cylinder is connected on the take-up housing.
7. multi-direction core-pulling die according to claim 1, it is characterised in that：The stopping means includes caging bolt, should
Caging bolt runs through the take-up housing, after screw togather and be installed in the outer side action sliders；The caging bolt can be done with respect to the take-up housing
Limited travel activity, so that the outer side action sliders can be movably arranged on take-up housing.
8. multi-direction core-pulling die according to claim 1, it is characterised in that：The spring is pressing spring, the take-up housing with
The outer side action sliders cooperatively form a spring installation cavity, and the pressing spring is in the spring installation cavity, with to the outer side core-pulling
Sliding block applies an active force away from take-up housing, realizes the separation of the two.
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| CN201711005442.5A CN107571464B (en) | 2017-10-25 | 2017-10-25 | Multidirectional core-pulling mold |
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| CN201711005442.5A CN107571464B (en) | 2017-10-25 | 2017-10-25 | Multidirectional core-pulling mold |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109093953A (en) * | 2018-10-12 | 2018-12-28 | 中山市利群精密实业有限公司 | A kind of plastic cement products back-off multidirectional demoulding mechanism of nozzle |
| CN109822836A (en) * | 2019-01-31 | 2019-05-31 | 浙江工商职业技术学院 | A kind of the resigning core-drawing demoulding mechanism and its release method of injection molding |
| CN110815748A (en) * | 2019-12-05 | 2020-02-21 | 东莞市嘉宏机电科技有限公司 | Internal-shrinkage core-pulling injection mold of planar four-way joint |
| CN111267306A (en) * | 2020-03-23 | 2020-06-12 | 漳州盈塑工业有限公司 | Can mould plastics and have mould that corresponds inner groovy injection molding |
| CN114074409A (en) * | 2020-08-21 | 2022-02-22 | 苏州汉扬精密电子有限公司 | Core-pulling demoulding structure of inclined hollow convex column |
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