CN104015311B - Injection mold with rotating core-pulling mechanism - Google Patents
Injection mold with rotating core-pulling mechanism Download PDFInfo
- Publication number
- CN104015311B CN104015311B CN201410251804.9A CN201410251804A CN104015311B CN 104015311 B CN104015311 B CN 104015311B CN 201410251804 A CN201410251804 A CN 201410251804A CN 104015311 B CN104015311 B CN 104015311B
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- Prior art keywords
- rotary
- slider
- sliding block
- master slider
- pulling mechanism
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
- B29C45/17—Component parts, details or accessories; Auxiliary operations
- B29C45/26—Moulds
- B29C45/33—Moulds having transversely, e.g. radially, movable mould parts
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
- B29C45/17—Component parts, details or accessories; Auxiliary operations
- B29C45/40—Removing or ejecting moulded articles
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- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Mechanical Engineering (AREA)
- Moulds For Moulding Plastics Or The Like (AREA)
Abstract
The present invention proposes a kind of injection mold with rotating core-pulling mechanism, can solve prior art rotary core pulling low production efficiency, and complex structure, equipment cost is high, the problem of stability difference.The injection mold with rotating core-pulling mechanism, rotating core-pulling mechanism includes master slider, rotary slider, press assembly and drives sliding block, and drive the upper end of sliding block to be hinged with rotary slider, Angle Pin one end is fixed on cover half, and the other end is plugged on driving sliding block.Promoted using Angle Pin of the present invention and drive sliding block to be slided on dynamic model, master slider is maintained static under the support force of press assembly, and then make driving sliding block that sliding block rotation is rotated, the globoidal structure for making rotary slider depart from product realizes the demoulding, i.e. rotary core pulling is realizes synchronous with the die sinking action of mould, molding cycle is shortened, mould molding control program is simplified, production efficiency is substantially increased；Simple structure, occupies little space, and reduces equipment cost, improves production stability.
Description
Technical field
The present invention relates to injection mold, and in particular to the structure of injection mold rotating core-pulling mechanism is improved.
Background technology
In injection moulding process, back-off class globoidal structure is carried on some products（Refrigerator drawer upward arrow as shown in Fig. 2,12
Signified position）, this kind of product generally needs to carry out rotary core pulling to carry out the demoulding.
In the prior art, rotary core pulling is generally carried out using oil cylinder-slide block mechanism, mainly includes oil cylinder 1, sliding block 2, rotation
Sliding block 3 and sliding block pressure block（Visual angle reason, not shown in figure）, on dynamic model 5, sliding block pressure block is used for oil cylinder 1 and sliding block 2
In support slipper 2, the sliding block 2 during rotary core pulling is set not produce movement；Sliding block 2 have central cavity, rotary slider 3 in
It is rotatably installed on sliding block 2 by a rotary shaft in the central cavity, the cambered surface knot of one end embedded product of rotary slider 3
As shaping mold insert in structure, by the piston rod telescopic drive rotary slider 3 of oil cylinder 1 in the central cavity of sliding block 1 with rotary shaft
For fulcrum is rotated, the globoidal structure such that it is able to make rotary slider 3 depart from product realizes the demoulding, then carries out core pulling.
When some product neededs carry out rotary core pulling and could realize demoulding core pulling with parallel core pulling, prior art
Two kinds of structures can be typically used, one kind is to carry out rotary core pulling, Ran Houzai using above-mentioned oil cylinder-slide block mechanism after injection moulding machine mould open
Complete parallel core pulling；Another kind is first to carry out rotary core pulling using using above-mentioned oil cylinder-slide block mechanism after injection moulding machine mould open, then
Parallel core pulling is carried out using another oil cylinder 4 being arranged on mould, as shown in Figure 1.
Prior art has the following disadvantages and not enough：1st, either only carrying out rotary core pulling can realize demoulding core pulling still
Carry out two actions of rotary core pulling and parallel core pulling and realize demoulding core pulling, because oil cylinder needs single movement, then set on mould
The motion of the mechanism separately must successively be carried out with the motion of other mechanisms of mould during oil cylinder mechanism, will otherwise made in mould
Portion's part is interfered with each other and damaged, or makes the damage of product of production, and cylinder action needs the reaction time more long, especially
Not only needed rotary core pulling but also needed parallel core pulling using two situations of oil cylinders realization, the production cycle can be made to lengthen significantly, it is unfavorable
In improve production efficiency；2nd, need to increase corresponding mounting fixing parts, transmission mechanism and oil circuit cloth in the middle of mould using oil cylinder
Put, mould structure can be made complicated, Element Design and processed complex degree accordingly increase；3rd, no matter oil cylinder be arranged on mould in or
Outer being suspended on mould bases all can increase the Outside Dimensions of mould, cause to need to use larger injection machine during production, be unfavorable for section
About cost；4th, the sliding block quality for being built-in with rotary slider is larger in itself, be will be further increased using quality after oil cylinder, in die sinking
When inertia increase, can to mould produce impact, influence die table and service life.
The content of the invention
The present invention proposes a kind of injection mold with rotating core-pulling mechanism, can solve prior art using oil cylinder-cunning
Block mechanism carries out rotary core pulling, the problem of low production efficiency.
In order to reach above-mentioned technical purpose, the technical scheme is that, a kind of injection mould with rotating core-pulling mechanism
Tool, including cover half, dynamic model and rotating core-pulling mechanism, the rotating core-pulling mechanism include the master slider being arranged on dynamic model, can revolve
Turn rotary slider that ground is arranged in the master slider and for supporting the master slider to make its fixed during rotary core pulling
Motionless press assembly, the rotating core-pulling mechanism also includes Angle Pin and the driving sliding block that can be slided on the dynamic model, institute
State and drive one end of sliding block to be hinged with the rotary slider, described Angle Pin one end is fixed on the cover half, and the other end is plugged
On the driving sliding block.
Rotary shaft and support mold insert, the support are provided with the master slider at the end positions of the rotary slider
Mold insert bottom is installed on the master slider, and described rotary shaft one end is embedded in the master slider, and one end is inlayed through the support
Part top is connected on the rotary slider.
The master slider is slidably mounted on the dynamic model, and the driving sliding block is with the master slider by a locating part
Connection, and drive the master slider one to slide by the locating part after the completion of rotary core pulling；The press assembly includes
Hound and pressure block, the pressure block are fixed on the dynamic model, and the hound is inclined and is plugged on the driving sliding block；
During rotary core pulling, one end of the hound is resisted against on the master slider, and the other end is supported by the pressure block,
After the completion of rotary core pulling, the hound departs from the supporting surface of the pressure block.
Contact surface on the master slider with the hound is installed with wear-resistant block.
The maximum anglec of rotation of the rotary slider is 30-40 °.
The sealing side of the master slider is provided with multiple resin shutters.
Compared with prior art, the invention has the advantages that and good effect：1st, using the present invention, because Angle Pin is solid
It is scheduled on cover half and inclines and be plugged on driving sliding block, then in mould die sinking motion, dynamic model and cover half produces relative motion, tiltedly
Guide pillar is promoted and drives sliding block to be slided on dynamic model, and master slider is maintained static under the support force of press assembly, and then slides driving
Block is rotated sliding block rotation, and the globoidal structure for making rotary slider depart from product realizes that the demoulding, i.e. rotary core pulling are and mould
The synchronous realization of die sinking action, molding cycle is shortened, mould molding control program is simplified, substantially increase production efficiency；
2nd, simple structure, occupies little space, and reduces equipment cost；3rd, die quality reduces, and inertia during die sinking is reduced, to mould
Impact is small, improves the stability in production, is conducive to increasing the service life.
Brief description of the drawings
Fig. 1 is the structural representation of the injection mold of oil cylinder-slide block mechanism rotary core pulling in the prior art；
Fig. 2 is the structural representation of refrigerator drawer in the embodiment of the present invention one；
Fig. 3 is the total assembling structure longitudinal direction of injection mold with rotating core-pulling mechanism in the embodiment of the present invention one and embodiment two
Sectional view；
Fig. 4 is the fixed mould structure schematic diagram in injection mold shown in Fig. 3（To show clearly that Angle Pin structure on cover half,
Cover half is rotated to horizontal upward direction）；
Fig. 5 is the dynamic model structural representation in injection mold shown in Fig. 3（To show clearly that each modular construction on dynamic model,
Dynamic model is rotated to horizontal upward direction）；
Fig. 6 is the structural representation of rotating core-pulling mechanism in the embodiment of the present invention one；
Fig. 7 is the front view of Fig. 6（Omit injecting products）；
Fig. 8 is the A-A of Fig. 7 to sectional view；
Fig. 9 is the assembling structure schematic diagram of rotary slider and master slider in the embodiment of the present invention one；
Figure 10 is the structural representation of the preceding rotating core-pulling mechanism of rotary core pulling completion in the embodiment of the present invention one；
Figure 11 is the structural representation of rotating core-pulling mechanism after the completion of rotary core pulling in the embodiment of the present invention one；
Figure 12 is the structural representation of refrigerator drawer in the embodiment of the present invention two；
Figure 13 is the dynamic model structural representation in injection mold shown in Fig. 3 in the embodiment of the present invention two（To show clearly that
Each modular construction on dynamic model, dynamic model is rotated to horizontal upward direction）；
Figure 14 is the structural representation of rotating core-pulling mechanism in the embodiment of the present invention two；
Figure 15 is the front view of Figure 14；
Figure 16 is the B-B direction sectional view of Figure 15;
Figure 17 is the C-C of Figure 15 to sectional view；
Figure 18 is the structure of rotating core-pulling mechanism before parallel core pulling completion after the completion of rotary core pulling in the embodiment of the present invention two
Schematic diagram；
Figure 19 is the structural representation of rotating core-pulling mechanism after the completion of parallel core pulling in the embodiment of the present invention two.
Specific embodiment
Specific embodiment of the invention is described in more detail below in conjunction with the accompanying drawings.
Embodiment one
Referring to figs. 1 to Figure 11, the present embodiment has the injection mold of rotating core-pulling mechanism, and its folding mould direction is opened for left and right
Mould, injecting products 14（Refrigerator drawer as shown in Figure 1）Satisfaction only carries out rotary core pulling can realize demoulding core pulling.The injection mould
Tool includes cover half 1, dynamic model 2 and rotating core-pulling mechanism, and rotating core-pulling mechanism includes master slider 3, rotation cunning on dynamic model 2
Block 4, press assembly（Not shown in the cause chart of visual angle）, Angle Pin 6 and drive sliding block 7.Wherein, master slider 3 is arranged on dynamic model 2
On, it has cavity for being rotatably mounted rotary slider 4；Press assembly is arranged on dynamic model 2 for supporting the master slider 3 to make
It is maintained static during rotary core pulling；Sliding block 7 is driven to be slidably mounted on dynamic model 2, its upper end leads to rotary slider 4
A rotary shaft 5 is crossed to be hinged；The one end of Angle Pin 6 is fixed on cover half 1, the other end be plugged in drive sliding block 7 on correspondence open up it is oblique
In hole 7.1.
Use the present embodiment have the rotary core pulling process of the injection mold of rotating core-pulling mechanism for：Molded in mould and moved
In, dynamic model 2 and cover half 1 produce relative motion, promote Angle Pin 6 and drive the slide downward on dynamic model 2 of sliding block 7, and master slider 3 exists
Maintained static under the support force of press assembly（In the present embodiment press assembly can be integrally fixed at pressure block on dynamic model 2 or its
His structure, need to only meet and support master slider 3 and make master slider 3 immovable）, and then driving sliding block 7 is hinged by it
End is rotated sliding block 4 and is rotated to an angle in master slider 3, and the globoidal structure for making rotary slider 4 depart from product realizes the demoulding,
As shown in Figure 10 and Figure 11.
Specifically, for driving the slip of sliding block 7 to provide guide effect, correspondence drives the both sides position of sliding block 7 on dynamic model 2
The place of putting is installed with briquetting 8, and slideway is formed between briquetting 8 and dynamic model 2, drives in the both sides insertion slideway of sliding block 7 to driving sliding block 7
Slip play spacing and guide effect.
Rotatable installation of the rotary slider 4 in master slider 3 uses prior art mounting means, i.e., on rotary slider 4
Wear a rotary shaft, the two ends of rotary shaft are exposed and are embedded on master slider 3, so as to realize the rotatable installation of rotary slider 4.
Using this structure type, rotation shaft length is more long, not easy processing, and is difficult to ensure that axiality and then can influence rotation
Turn the rotational concentricity everywhere of sliding block 4.To solve this problem, as shown in figure 9, the present embodiment sets two less rotations of length
Axle 9, and two support mold inserts 10 are set in master slider 3, support the bottom of mold insert 10 to be installed on master slider 3, rotary shaft 9 one
In the embedded master slider 3 in end, one end is connected on rotary slider 4 through the top of support mold insert 10, so as to realize rotary slider 4
Rotatable installation；A wherein rotary shaft 9 and a support mold insert 10 are located at one end of rotary slider 4, another rotary shaft 9 and another
Support mold insert 10 is located at the other end of rotary slider 4.Compared to using through rotary slider 4 a rotary shaft, in the present embodiment
The two ends of rotary slider 4 respectively set a rotary shaft 9, so that the length of single rotary shaft 9 is smaller, it is easy to process and ensure coaxial
Degree, the support mold insert 10 of relative set can also further function as supporting role to rotary slider 4, so as to be conducive to improving rotation cunning
Rotational concentricity everywhere on block 4, it is ensured that smooth rotation.
Embodiment two
Reference picture 3, Figure 12 to Figure 19, the present embodiment has the injection mold of rotating core-pulling mechanism, and its folding mould direction is
Left and right die sinking, injecting products 14（Refrigerator drawer as shown in figure 12）Rotary core pulling need to be carried out could realize that the demoulding is taken out with parallel core pulling
Core.From unlike embodiment one, master slider 3 is slidably mounted on dynamic model 2 in the present embodiment, and drive sliding block 7 with
Master slider 3 is connected by a locating part.In the present embodiment, locating part is fastened on the caging bolt 11 on master slider 3 for one end, spacing
There is stroke space between the free end of bolt 11 and driving sliding block 7；Press assembly includes two symmetrically arranged hounds 12
With a pressure block 13, pressure block 13 is fixed on dynamic model 2, positioned at the lower section for driving sliding block 7, drives correspondence on sliding block 7 to offer
Two oblique through holes, hound 12 is located in the inclined hole for driving sliding block 7, and its one end is exposed towards master slider 3, and the other end exposes court
To pressure block 13, between oblique through hole and hound 12 be gap coordinate so that hound 12 run it is smooth.In rotary core pulling process
In, the upper end of hound 12 is resisted against on master slider 3, and lower end is resisted against on the upper surface of pressure block 13 i.e. supporting surface 13.1, such as
Figure 11, shown in 12, maintain static master slider 3, rotary slider 4 is only revolved under the drive for driving sliding block 7 in master slider 3
Transhipment is dynamic；Due to driving sliding block 7 to act the slide downward always under the driving of Angle Pin 6 with die sinking during rotary core pulling（It is sliding
Dynamic direction is as shown in vertical arrow II in Figure 15）, then promote two hounds 12 to both sides away from motion（In the direction of motion such as Figure 15
Shown in horizontal arrow I）；When stroke needed for rotary slider 4 completes rotation, i.e., after the completion of rotary core pulling, as shown in figure 18, diagonal brace
Bar 12 departs from supporting surface 13.1, and with driving sliding block 7 to continue to move, as shown in figure 19, now master slider 3 is not subjected to hound 12
Support force, die sinking action continues to make driving sliding block 7 to continue to slide, when it slides into touching caging bolt 11 by spacing spiral shell
Bolt 11 drives master slider 3 to slide downwardly together, master slider 3 is departed from product and is easy to the smooth demoulding of product to carry out parallel core pulling.
It is fastened on master slider 3 as limiting component using caging bolt 11 in the present embodiment, mounting structure is simple, and just
In the assembly and disassembly of each part of mould.Certainly can also be substituted by other structures, such as on master slider 3 welding or one into
The gag lever post of type one, the free ending tool limited location convex portion of gag lever post, it is also cross driving sliding block 7, stopper protrusion place end and drive
Movable slider 7 has LAP space.
For ensure hound 12 run it is smooth, on master slider 3 with the contact surface of hound 12 at build-in have wear-resistant block 15, such as
Shown in Figure 17.Wear-resistant block 15 is made from wear-resistant steel material or other high-abrasive materials, then avoid hound 12 from moving back and forth abrasion
Master slider 3, saves material cost.
For make rotary slider 4 smoothly reset, to carry out next molding cycle, its maximum anglec of rotation α no more than
40 °, minimum cannot be below 30 ° so as to the smooth demoulding, as shown in Figure 9.
Preferably, multiple resin shutters are installed in the sealing side 3.1 of master slider 3（Not shown in the cause chart of visual angle）,
Resin shutter namely nylon locked mode button, resin mode locker etc., to reduce pressure and hound 12 of the master slider 3 to pressure block 13
With the frictional force of pressure block 13, depending on the number of resin shutter is according to actual conditions.
The above, is only presently preferred embodiments of the present invention, is not the limitation for making other forms to the present invention, is appointed
What those skilled in the art changed possibly also with the technology contents of the disclosure above or be modified as equivalent variations etc.
Effect embodiment.But it is every without departing from technical solution of the present invention content, according to technical spirit of the invention to above example institute
Any simple modification, equivalent variations and the remodeling made, still fall within the protection domain of technical solution of the present invention.
Claims (5)
1. a kind of injection mold with rotating core-pulling mechanism, including cover half, dynamic model and rotating core-pulling mechanism, the rotary core pulling
Mechanism includes the master slider being arranged on dynamic model, the rotary slider being rotatably installed in the master slider and for supporting
Stating master slider makes its fixed press assembly during rotary core pulling, it is characterised in that：The rotating core-pulling mechanism is also
Including Angle Pin and the driving sliding block that can be slided on the dynamic model, one end and the rotary slider of the driving sliding block cut with scissors
Connect, described Angle Pin one end is fixed on the cover half, the other end is plugged on the driving sliding block；The master slider is slidably
Ground is arranged on the dynamic model, and the driving sliding block is connected with the master slider by a locating part, and after the completion of rotary core pulling
The master slider one is driven to slide by the locating part；The press assembly includes hound and pressure block, the pressure-bearing
Block is fixed on the dynamic model, and the hound is inclined and is plugged on the driving sliding block；It is described oblique during rotary core pulling
One end of strut is resisted against on the master slider, and the other end is supported by the pressure block, after the completion of rotary core pulling, the diagonal brace
Bar departs from the supporting surface of the pressure block；The locating part is the caging bolt on one end the is fastened on master slider.
2. the injection mold with rotating core-pulling mechanism according to claim 1, it is characterised in that：Position in the master slider
Rotary shaft and support mold insert are provided with the end positions of the rotary slider, the support mold insert bottom is installed in the main cunning
On block, described rotary shaft one end is embedded in the master slider, and one end is connected to the rotation and slides through the support mold insert top
On block.
3. the injection mold with rotating core-pulling mechanism according to claim 1, it is characterised in that：On the master slider with
The contact surface of the hound is installed with wear-resistant block.
4. the injection mold with rotating core-pulling mechanism according to claim 1, it is characterised in that：The rotary slider
The maximum anglec of rotation is 30-40 °.
5. the injection mold with rotating core-pulling mechanism according to claim 1, it is characterised in that：The envelope of the master slider
Glue side is provided with multiple resin shutters.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410251804.9A CN104015311B (en) | 2014-06-09 | 2014-06-09 | Injection mold with rotating core-pulling mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410251804.9A CN104015311B (en) | 2014-06-09 | 2014-06-09 | Injection mold with rotating core-pulling mechanism |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104015311A CN104015311A (en) | 2014-09-03 |
| CN104015311B true CN104015311B (en) | 2017-07-07 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410251804.9A Active CN104015311B (en) | 2014-06-09 | 2014-06-09 | Injection mold with rotating core-pulling mechanism |
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| CN (1) | CN104015311B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110126214A (en) * | 2019-04-11 | 2019-08-16 | 宁波公牛精密制造有限公司 | A kind of mold and its operation method with the secondary incorgruous pulled core structure of composite slider |
| CN110154334B (en) * | 2019-06-04 | 2021-08-24 | 浙江台州美多模具有限公司 | Multi-direction core-pulling mechanism for sliding block of injection mold |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202293216U (en) * | 2011-10-14 | 2012-07-04 | 台州市黄岩西诺模具有限公司 | Arc-shaped core pulling mechanism of injection mold |
| CN203888147U (en) * | 2014-06-09 | 2014-10-22 | 广东科龙模具有限公司 | Injection mould with rotary core pulling mechanism |
-
2014
- 2014-06-09 CN CN201410251804.9A patent/CN104015311B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202293216U (en) * | 2011-10-14 | 2012-07-04 | 台州市黄岩西诺模具有限公司 | Arc-shaped core pulling mechanism of injection mold |
| CN203888147U (en) * | 2014-06-09 | 2014-10-22 | 广东科龙模具有限公司 | Injection mould with rotary core pulling mechanism |
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| Publication number | Publication date |
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| CN104015311A (en) | 2014-09-03 |
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