CN209666130U - For outside there is spherical complete cycle to be buckled to the molding injection mold of product - Google Patents
For outside there is spherical complete cycle to be buckled to the molding injection mold of product Download PDFInfo
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- CN209666130U CN209666130U CN201920279734.6U CN201920279734U CN209666130U CN 209666130 U CN209666130 U CN 209666130U CN 201920279734 U CN201920279734 U CN 201920279734U CN 209666130 U CN209666130 U CN 209666130U
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- inner slide
- product
- male
- taper pin
- injection mold
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Abstract
The utility model, which is provided, for external there is spherical complete cycle to be buckled to the molding injection mold of product, overlap can be generated in product inner wall to solve the problems, such as that injection mold is buckled to product in molding complete cycle, increase mobilizable push plate in male template and ejector retainner plate product, and using the die sinking sequence of the mechanical shutter control each template of male model, setting gradually broadens outward from center and gradually installs vacancy from top to bottom between adjacent taper pin simultaneously, and an inner slide is placed in each installation vacancy.After die sinking, inner slide is gathered and is moved upward to product center, inner slide is set first to be detached from the back-off of product, after inner slide is gathered to center, a gap is formed between side and taper pin, taper pin mandril is by angle pin ejecting, under the influence of inclined-plane, all taper pins move upwards completion back-off according to predetermined angular, and since the side of inner slide is tightly bonded under molding state with the side of taper pin there is no gap, the product inner wall of injection molding does not have overlap.
Description
Technical field
The utility model relates to injection mold technologies.
Background technique
For the internal product with complete cycle back-off, originally by the way of forced stripper mechanism, if the material plasticity of product
Bad, type core forced stripper mechanism is easy product drawing crack, therefore the mode of forced stripper mechanism is also abandoned gradually, more and more enterprises
The demoulding of complete cycle back-off is completed by the way of taper pin demoulding mechanism.Above-mentioned taper pin demoulding mechanism include it is several be spliced into it is spherical
Taper pin, when feature die is closed, several taper pins after die sinking, with the ejection of ejector retainner plate, are installed on oblique in ejector retainner plate in the shape that scatters
Pin mandril gathers several taper pins inwardly to complete to demould.But after taper pin scatters, there are gap, plastics between adjacent taper pin
Overlap can be formed on Injection moulded part inner wall into gap, subsequent removing be needed, if just increased in the processing procedure of product
One process, not only reduces the production efficiency of enterprise, but also needs to be equipped with the excision that artificial and equipment completes overlap, increases
The recruitment cost and production cost of enterprise.
Utility model content
Product is not damaged the technical problem to be solved by the utility model is to provide a kind of demoulding and will not generate overlap
Injection mold.
In order to solve the above technical problems, the technical solution adopted in the utility model is as follows:
Injection mold, including master mold, male model, running gate system and circulating cooling system, master mold have caster and mother module core,
After there is male model male template, male die core, ejector retainner plate and bottom plate, male model and master mold to be closed, structure between male die core and mother module core
Forming cavity, which is characterized in that be provided with one piece of movable push plate between male template and ejector retainner plate, be fixed with abutting on bottom plate
Limited post in push plate rear end；The mechanical shutter being made of mandril, bullet block and knocking, telescopic bullet block are provided in male model
It is arranged outside male template and protrudes outward, mandril is fixedly arranged on the outside of ejector retainner plate and resists the rear end face of bullet block, knocking installation
Outside the push plate and male template is extended forwardly into, bullet block is set as inclined-plane with respect to the end face of mandril, is provided in knocking and inclined-plane
The oblique convex block being used cooperatively；Be provided in male model for complete cycle back-off demoulding demoulding mechanism, the demoulding mechanism by shovel base, tiltedly
Pin, inner slide, taper pin mandril and oblique pin base composition, wherein taper pin, inner slide, taper pin mandril and oblique pin base these components
Quantity it is equal and all at least there are two, the one end for shoveling base is fixed in push plate, and inner slide is movably installed in male die core, oblique pin base
It is fixed in ejector retainner plate using contour screw；The taper pin encloses set on the outside of the shovel base, and uses inclined-plane between shovel base
The mode of crimping is flexibly connected；It is constituted between adjacent taper pin and gradually broadens from center and gradually broaden from top to bottom outward
Vacancy is installed, an inner slide, after mold die closing, the side of taper pin and the side of inner slide are placed in each installation vacancy
Fitting, taper pin and inner slide are located at the intracavitary part of type and constitute the type core of molded article Internal Spherical Surface feature, the inner slide and
It is flexibly connected between the shovel base using tilting slide unit sliding rail.
The working principle of above-mentioned demoulding mechanism is: inner slide is gathered under the drive of tilting slide unit sliding rail to product center
And be moved upward, so that inner slide is first detached from the back-off of product, after inner slide is gathered to center, forms one between side and taper pin
A gap；After shoveling base and inner slide stop motion, taper pin mandril is by angle pin ejecting, and under the influence of inclined-plane, all taper pins are pressed
Completion back-off is moved upwards according to predetermined angular.It can be seen that demoulding mechanism realizes that the demoulding of spherical complete cycle back-off needs two steps
Suddenly, one is that inner slide gathers completion demoulding upwards and to product center, secondly having gathered upwards and to product center for taper pin
At demoulding.
The process for ejecting product of above-mentioned injection mold are as follows:
1. master mold is retracted and separated with male model opening by injection molding machine, product is separated with mother module core and is stayed on male die core；
2. first segment ejects, injection molding machine ejects ejector retainner plate, and mandril resists bullet block, and male template is forced to move to master mold, interior
Sliding block follows male die core to move to master mold, and shovel base, which is fixed in push plate, to be remained stationary, and inner slide is under the guidance of shovel base to product
Center movement is until exit the back-off of product, and oblique pin base can follow ejector retainner plate to move together in the process, but ejector retainner plate and
The relative distance of male template does not change, therefore relative motion will not occur for taper pin and male die core；
3. injection molding machine continues to eject ejector retainner plate, after bullet block moves to the oblique convex block of knocking, it is knocked and pushes back in male template,
Male template and male die core are motionless (being that inner slide is motionless) at this time, and ejector retainner plate drives oblique pin base to move upwards, and taper pin is according to shovel base
The predetermined angular on inclined-plane moves obliquely, exits back-off, completes second segment ejection.
The utility model provides a kind of preferably injection mold, and the slide unit in tilting slide unit sliding rail is located at the interior cunning
On block, sliding rail is located on the shovel base.
It is dovetail-shape that the utility model provides a kind of preferably injection mold, the slide unit and sliding rail.
The utility model provides a kind of preferably injection mold, the slide unit and the dovetail-shape inner slide phase of the sliding rail
The guide pad outwardly protruded is provided with to the side of shovel base, is corresponded in male die core and is provided with guide groove at guide pad.
The utility model provides a kind of preferably injection mold, and male die core, which corresponds to, is equipped with wear-resisting pressure at guide groove
Item.
The utility model provides a kind of preferably injection mold, and back stitching is installed between ejector retainner plate and male template.
The utility model provides a kind of preferably injection mold, is equipped with a push rod, the push rod in the shovel base
One end be fixed in ejector retainner plate, the other end is provided with the hook block for catching on material head.
Compared with prior art, the utility model has the beneficial effects that when 1. molding, the side of inner slide and the side of taper pin
Face, which is tightly bonded, is not present gap, therefore the product inner wall of injection molding does not have overlap；After die sinking, inner slide is inwardly gathered in advance
Demoulding, taper pin complete last demoulding after inwardly gathering again, the utility model divides the primary demoulding of previous taper pin demoulding mechanism
Solution makes inner slide while inwardly gathering using the shape in installation vacancy and moves up, rise for the displacement of taper pin at twice
Space out can not only prevent the generation of overlap, additionally it is possible to which the demoulding for smoothly completing spherical complete cycle back-off ensure that the matter of product
Amount；2. narrow space effectively is utilized, complete cycle back-off is exited completely by ejecting twice, completes the production of product.
Detailed description of the invention
It, below will be to required in embodiment description in order to more clearly illustrate the technical scheme in the embodiment of the utility model
Attached drawing to be used is briefly described.
Fig. 1 is the cross-sectional view of injection mold；
Fig. 2 is the perspective view of demoulding mechanism；
Fig. 3 is the side view (removal inner slide) of demoulding mechanism；
Fig. 4 is the top view (removal inner slide) of demoulding mechanism；
Fig. 5 is the state diagram after the ejection of the demoulding mechanism first step.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
It removes, be fully described by.
Injection mold shown in Figure 1, including master mold, male model, running gate system and circulating cooling system, master mold have mother
Template 11 and mother module core 12, male model have male template 21, male die core 22, ejector retainner plate 23 and bottom plate 24, and male model is closed with master mold
After conjunction, structure forming cavity between male die core 22 and mother module core 12.The demoulding mechanism for complete cycle back-off demoulding, ginseng are provided in male model
See that Fig. 2-4, demoulding mechanism are made of shovel base 41, taper pin 42, inner slide 43, taper pin mandril 44 and oblique pin base 45, wherein taper pin
42, inner slide 43, taper pin mandril 44 are equal with the quantity of 45 these components of oblique pin base and are all three；Three taper pins 42 are enclosed and are set
It is flexibly connected by the way of inclined-plane crimping in the outside of shovel base 41, and between shovel base 41；It is constituted between adjacent taper pin 42
The installation vacancy for gradually broadening from center and gradually broadening outward from top to bottom is placed sliding in one in each installation vacancy
Block 43, after mold die closing, the side of taper pin 42 is bonded with the side of inner slide 43, and it is intracavitary that taper pin 42 and inner slide 43 are located at type
Part constitute the type core of molded article Internal Spherical Surface feature, it is living using tilting slide unit sliding rail between inner slide 43 and shovel base 41
Dynamic connection.The working principle of above-mentioned demoulding mechanism is: inner slide 43 is poly- to product center under the drive of tilting slide unit sliding rail
Hold together and be moved upward, inner slide 43 is made first to be detached from the back-off of product, after inner slide 43 is gathered to center, side and taper pin 42 it
Between formed a gap；After shoveling base 41 and 43 stop motion of inner slide, taper pin mandril 44 ejects taper pin 42, the shadow on inclined-plane
Under sound, all taper pins 42 move upwards completion back-off according to predetermined angular.It can be seen that demoulding mechanism realizes spherical complete cycle back-off
Demoulding need two steps, one be inner slide 43 upwards and to product center gather completion demoulding, secondly for taper pin 42 to
Above and to product center gather completion demoulding.The movement twice for realizing demoulding mechanism, be on the basis of above-mentioned mould structure
Mold is redesigned.
It is provided with one piece of movable push plate 25 between male template 21 and ejector retainner plate 23, is fixed with and is connected on bottom plate 24
The limited post 26 of 25 rear end of push plate；It is provided with the mechanical shutter being made of mandril 31, bullet block 32 and knocking 33 in male model, can stretch
The setting of bullet block 32 of contracting is in 21 outside of male template and protrudes outward, and mandril 31 is fixedly arranged on the outside of ejector retainner plate 23 and resists bullet block 32
Rear end face, knocking 33 is installed on the outside of push plate 25 and extends forwardly into male template 21, and bullet block 32 is set with respect to the end face of mandril 31
It is set to inclined-plane, the oblique convex block 34 being used cooperatively with inclined-plane is provided in knocking 33.One end of shovel base 41 is fixed in push plate 25, interior
Sliding block 43 is movably installed in male die core 22, and oblique pin base 45 is fixed in ejector retainner plate 23 using contour screw.
The process for ejecting product of above-mentioned injection mold are as follows:
1. master mold is retracted and separated with male model opening by injection molding machine, product is separated with mother module core 12 and is stayed on male die core 22；
2. first segment ejection, injection molding machine ejects ejector retainner plate 23, and mandril 31 resists bullet block 32, forces male template referring to Fig. 5
21 move to master mold, and inner slide 43 follows male die core 22 to move to master mold, and shovel base 41, which is fixed in push plate 25, to be remained stationary, interior cunning
Block 43 is moved to product center under the guidance of shovel base 41 until exiting the back-off of product, oblique pin base 45 can be followed in the process
Ejector retainner plate moves together, but the relative distance of ejector retainner plate and male template does not change, therefore taper pin 42 and male die core 22 will not
Relative motion occurs；
3. injection molding machine continues to eject ejector retainner plate 23, after bullet block 32 moves to the oblique convex block 34 of knocking 33, it is knocked 33 pressures
Return male template 21 in, at this time male template 21 and male die core 22 it is motionless be that inner slide 43 is motionless, ejector retainner plate 23 drive oblique pin base 45
It moves upwards, taper pin 42 moves obliquely according to the predetermined angular on shovel 41 inclined-plane of base, exits back-off, completes second segment ejection.
The side of the opposite shovel base of inner slide is provided with the guide pad 46 outwardly protruded, corresponds in male die core and sets at guide pad 46
It is equipped with guide groove, guide pad 46, which is inserted into guide groove, can not only keep inner slide and the relative position of male die core horizontally, but also
It will not influence the movement of inner slide in a longitudinal direction.
Male die core, which corresponds to, is equipped with wear-resisting press strip 47 at guide groove, so that injection mold is also kept after open mold for several times
Preferably demoulding precision.
Cunning 43a in tilting slide unit sliding rail is located on inner slide 43, and sliding rail 41a is located on shovel base 41, can be with from Fig. 2
To find out, slide unit is dovetail-shape with guide rail, it is also possible to other shapes such as: T shape, as long as slide unit and sliding rail can be by inner slides 43
It can be movably connected with shovel base 41, and not separated in relative motion.
It is installed with back stitching 28 between ejector retainner plate 23 and male template 21, caster 11 first pushes down back stitching when molding, makes ejector retainner plate
23 retreat, and the first step pulls 42 return of taper pin, and second step pulls male template 21 to retreat, makes 43 return of inner slide, last feature die
Benevolence 12 is against completion a cycle.
It is equipped with a push rod 27 in shovel base 41, one end of push rod 27 is fixed in ejector retainner plate 23, and the other end is provided with hook
The firmly hook block of material head.After die sinking, the material head that block catches on product is hooked, product is separated with mother module core 12 and stays in male die core 22.
The a variety of of these embodiments are repaired by this will be readily apparent to those skilled in the art, herein
Defined General Principle can be real in other embodiments without departing from the spirit or scope of the present utility model
It is existing.Therefore, the present invention will not be limited to the embodiments shown herein, and be to fit to it is disclosed herein
Principle and the consistent widest scope of features of novelty.
Claims (7)
1. for external there is spherical complete cycle to be buckled to the molding injection mold of product, including master mold, male model, running gate system and circulation
Cooling system, master mold have caster (11) and mother module core (12), and male model has male template (21), male die core (22), ejector retainner plate
(23) and bottom plate (24), after male model and master mold closure, structure forming cavity between male die core (22) and mother module core (12), feature
It is, one piece of movable push plate (25) is provided between male template (21) and ejector retainner plate (23), and bottom plate is fixed on (24)
It is connected to the limited post (26) of push plate (25) rear end；It is provided in male model and is made of mandril (31), bullet block (32) and knocking (33)
Mechanical shutter, the setting of telescopic bullet block (32) is external in male template (21) and protrudes outward, and mandril (31) is fixedly arranged on top
The outside of needle plate (23) and the rear end face for resisting bullet block (32), knocking (33) are installed on push plate (25) outside and extend forwardly into public affairs
Template (21), bullet block (32) are set as inclined-plane, being provided in knocking (33) and being used cooperatively with inclined-plane with respect to the end face of mandril (31)
Oblique convex block (34)；Be provided in male model for complete cycle back-off demoulding demoulding mechanism, the demoulding mechanism by shovel base (41), tiltedly
Sell (42), inner slide (43), taper pin mandril (44) and oblique pin base (45) composition, wherein taper pin (42), inner slide (43), taper pin
The quantity of these components of mandril (44) and oblique pin base (45) it is equal and all at least there are two, one end of shovel base (41) is fixed on and is pushed away
In plate (25), inner slide (43) is movably installed in male die core (22), and oblique pin base (45) is fixed on ejector retainner plate using contour screw
(23) in；The taper pin (42) is enclosed set on the outside of shovel base (41), and the side crimped between shovel base (41) using inclined-plane
Formula is flexibly connected；The installation for gradually broadening from center and gradually broadening outward from top to bottom is constituted between adjacent taper pin (42)
An inner slide (43), after mold die closing, the side of taper pin (42) and inner slide are placed in vacancy in each installation vacancy
(43) side fitting, taper pin (42) and inner slide (43) are located at the intracavitary part of type and constitute molded article Internal Spherical Surface feature
Type core is flexibly connected between the inner slide (43) and the shovel base (41) using tilting slide unit sliding rail.
2. injection mold according to claim 1, which is characterized in that the slide unit in tilting slide unit sliding rail is located in described
On sliding block (43), sliding rail is located on the shovel base (41).
3. according to claim 2 for external there is spherical complete cycle to be buckled to the molding injection mold of product, feature exists
In the slide unit and the sliding rail are dovetail-shape.
4. injection mold according to claim 1, which is characterized in that the slide unit and the dovetail-shape inner slide of the sliding rail
The side of opposite shovel base is provided with the guide pad (46) outwardly protruded, is corresponded at guide pad (46) in male die core and is provided with guiding
Slot.
5. injection mold according to claim 4, which is characterized in that male die core, which corresponds to, is equipped with wear-resisting pressure at guide groove
Item (47).
6. injection mold according to claim 1, which is characterized in that be installed between ejector retainner plate (23) and male template (21)
Back stitching (28).
7. injection mold according to claim 1, which is characterized in that be equipped with a push rod in the shovel base (41)
(27), one end of the push rod is fixed in ejector retainner plate (23), and the other end is provided with the hook block for catching on material head.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920279734.6U CN209666130U (en) | 2019-03-06 | 2019-03-06 | For outside there is spherical complete cycle to be buckled to the molding injection mold of product |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920279734.6U CN209666130U (en) | 2019-03-06 | 2019-03-06 | For outside there is spherical complete cycle to be buckled to the molding injection mold of product |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209666130U true CN209666130U (en) | 2019-11-22 |
Family
ID=68570588
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920279734.6U Expired - Fee Related CN209666130U (en) | 2019-03-06 | 2019-03-06 | For outside there is spherical complete cycle to be buckled to the molding injection mold of product |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209666130U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114379031A (en) * | 2022-01-13 | 2022-04-22 | 昆山宏精达精密模具有限公司 | Self-return lifter mechanism |
-
2019
- 2019-03-06 CN CN201920279734.6U patent/CN209666130U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114379031A (en) * | 2022-01-13 | 2022-04-22 | 昆山宏精达精密模具有限公司 | Self-return lifter mechanism |
| CN114379031B (en) * | 2022-01-13 | 2023-12-22 | 昆山宏精达精密模具有限公司 | Self-return inclined ejection mechanism |
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20191122 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |