CN105500639A - Mechanism capable of realizing core pulling in multiple directions and core pulling method - Google Patents
Mechanism capable of realizing core pulling in multiple directions and core pulling method Download PDFInfo
- Publication number
- CN105500639A CN105500639A CN201511010942.9A CN201511010942A CN105500639A CN 105500639 A CN105500639 A CN 105500639A CN 201511010942 A CN201511010942 A CN 201511010942A CN 105500639 A CN105500639 A CN 105500639A
- Authority
- CN
- China
- Prior art keywords
- slide block
- patrix
- chute
- loosing core
- driving mechanism
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
-
- 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
- B29C45/4005—Ejector constructions; Ejector operating mechanisms
- B29C45/401—Ejector pin constructions or mountings
-
- 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
- B29C2045/338—Mould parts with combined axial and transversal movements
Abstract
The invention discloses a mechanism capable of realizing core pulling in multiple directions and a core pulling method. The mechanism comprises a mechanism capable of realizing multi-directional core pulling; the mechanism includes an upper mold and a lower mold; a third slide block, a driving mechanism and an upper mold insert are arranged on the upper mold; a fixed plate is arranged on the lower mold; a first slide block and a second slide block capable of relatively sliding are slidingly arranged on the fixed plate; the driving mechanism is connected with the third slide block, and drives the third slide block to move in an X-axle direction; a slide rod is aslant arranged in a runner of the upper mold insert; a roller is pivoted at the top end of the slide rod, and is arranged in a chute in a rolling manner; and the third slide block drives the slide rod to move to realize core pulling. The mechanism is simple in structure and convenient to operate, overcomes the phenomenon of easy blockage of an inclined slide block in the prior art, reduces the mold design and production difficulty and the maintenance time, improves the working efficiency, and is flexible and reliable in mold structure actions.
Description
Technical field
The present invention relates to core-pulling mechanism technical field, especially design and a kind ofly realize multi-direction mechanism of loosing core and core pulling method.
Background technology
Injection mo(u)lding is a kind of important means of formed product, and injection mo(u)lding utilizes the plastic material principle that changes of shape at high temperature under high pressure, uses plastic mould various plastic material to be made into the process of the product required for people.In general, plastic mould is for the shaping built-up plastics mould of compression moulding, extrusion molding, injection moulding, blowing and low ratio foamed.It mainly comprises dynamic model, cover half and core rod, and dynamic model and cover half are equipped with die cavity, and die cavity is built with core rod.Existing common plastic mould is all form after injecting plastic mould by injection machine after the melting of plastic cement raw material, then by the guiding mechanism in plastic mould, dynamic model is separated with quiet mould, thus is taken out from injection moulding die cavity by product.
Along with the development of injection molding technology, modern injection can complete the injection mo(u)lding of multiple color and different plastic cement material product in one set of die, shaping especially for unlike material complex profile product, often needs to use angled-lift splits.Angled-lift splits drives the shaped face mold insert of molded component under the opening and closing power of injection machine self, realize the injection molded of product, but existing product structure becomes increasingly complex, want the shaping realizing product in a secondary mould, need to design a lot of shaped face mold insert, under mould drives, assembled shaping is completed by angled-lift splits, but some shape of products is complicated, utilizing angled-lift splits to loose core needs to change the direction of motion of slide block, complex structure and easily stroke interfere.
When designing mould, whether the core-pulling mechanism in mould rationally seems particularly important, will directly affect mold use life-span, the quality of Making mold and cost.In the Injection Mold Design of preparation pharmaceutical product, due to the particular/special requirement of its assembling and serviceability, there is angled-lift splits and to be stuck in knockout course or locked, do not take off the phenomenon of mould.
Summary of the invention
Object of the present invention is exactly to solve the above-mentioned problems in the prior art, provides one
Multi-direction mechanism of loosing core and core pulling method can be realized, effectively can solve angled-lift splits in prior art and be stuck or locked problem.
Object of the present invention is achieved through the following technical solutions: a kind ofly realize multi-direction mechanism of loosing core, comprise patrix, counterdie, described patrix is provided with the 3rd slide block, driving mechanism and patrix insert, described counterdie is provided with a fixed head, described fixed head is mounted slidably the first slide block and second slide block of relative sliding, described driving mechanism is connected with described 3rd slide block and drives described 3rd slide block to move in the X-axis direction, the bottom of described 3rd slide block is provided with a chute, be obtuse angle between the axis of described chute and the axis of described driving mechanism, in the slideway of described patrix insert oblique be provided with one can the slide bar of relative sliding, the top pivot of described slide bar is provided with a roller, coordinate for rolling between described roller with described chute, described 3rd slide block drives described slide bar motion realization to loose core.
Preferably; described first slide block and described second slide block are provided with symmetrical inclined hole; the Angle Pin be arranged on described patrix inserts with in described inclined hole, and when described patrix carries out die sinking or matched moulds, described Angle Pin drives described first slide block and described second slide block to carry out opening and closing campaign.
Preferably, described slide bar and described roller have a movement travel at described chute, and described movement travel is less than the length of described chute.
Preferably, described obtuse angle is 120 °-150 °.
Preferably, described fixed head is equipped with a thimble for being ejected by product.
Preferably, the core pulling distance of described driving mechanism is greater than the sliding distance of described slide bar.
Preferably, described driving mechanism is provided with a connecting axle, and described connecting axle is connected with described 3rd slide block.
Preferably, described driving mechanism is an oil cylinder.
Preferably, the axis of described slideway and the axis perpendicular of described chute.
Realize a multi-direction core pulling method of loosing core, comprise the following steps:
S1: matched moulds step,
Patrix is combined with counterdie under the driving of servomotor, the first slide block, the second slide block and the 3rd slide block return, and driving mechanism resets;
S2: cast step,
The plastic cement of melting is injected in mold cavity from injection hole, described molten plastic flows through patrix insert, upper film and lower film successively and forms a runner, the interface channel of mold cavity and runner has a cast gate, when the stream of plastic of melting is by described cast gate, plastics are full of die cavity;
S3: step of loosing core,
Start driving mechanism, described driving mechanism drives described 3rd slide block to move in the X-axis direction by connecting axle, the shearing force that described roller is subject to chute applying is rolled in the chute of described 3rd slide block, and then drives described slide bar to slide in the slideway of patrix insert, realizes loosing core;
S4: die sinking step,
Mechanical mechanism drives described patrix to have risen die sinking action; Now, the Angle Pin of described patrix drives described first slide block and described second slide block to move round about;
S5: product eject step,
By thimble ejecting product, described product is deviate from from mold cavity.
The advantage of technical solution of the present invention is mainly reflected in: instant invention overcomes the phenomenon that in prior art, angled-lift splits is easily stuck, utilize oil cylinder core-pulling mechanism automatically to control the stroke of angled-lift splits, it is locked that the design of described slide bar, chute, roller avoids angled-lift splits described in knockout course.Total simply easily manufactures, and reduces the manufacture difficulty of mould, has saved production cost, avoids the infringement caused product appearance quality, meets injecting products qualification rate and matching requirements, reduces maintenance rate and the use cost of mould.
Accompanying drawing explanation
Fig. 1 is core-pulling mechanism structural representation of the present invention;
Fig. 2 is core-pulling mechanism structural representation of the present invention.
Detailed description of the invention
Object of the present invention, advantage and disadvantage, by for illustration and explanation for the non-limitative illustration passing through preferred embodiment below.These embodiments are only the prominent examples of application technical solution of the present invention, allly take equivalent replacement or equivalent transformation and the technical scheme that formed, all drop within the scope of protection of present invention.
As shown in Figure 1, a kind ofly realize multi-direction mechanism of loosing core, comprise patrix 1, counterdie 2,
The part that described patrix 1 and described counterdie 2 can contact when closure state is die joint A.Described patrix 1 is provided with the 3rd slide block 11, driving mechanism 12 and patrix insert 13, described patrix 1 and described patrix insert 13 are integral type structure.Described counterdie 2 is provided with a fixed head 21, described fixed head 21 is mounted slidably the first slide block 22 and the second slide block 23 of relative sliding, described fixed head 21 plays the effect of slip, guiding in the present embodiment.
Described driving mechanism 12 is connected with described 3rd slide block 11 and drives described 3rd slide block 11 to move in the X-axis direction, and described driving mechanism 12 is provided with a connecting axle 121, and described connecting axle 121 is connected with described 3rd slide block 11.Described driving mechanism 12 can be the mechanism such as cylinder, oil cylinder, and in the present embodiment, described driving mechanism 12 is preferably oil cylinder.Described oil cylinder drives described 3rd slide block 11 to move along X-direction by described connecting axle 121.One end of described connecting axle is fixed on described 3rd slide block 11, described connecting axle 121 moves left and right and then drives described 3rd slide block side-to-side movement in X-direction, namely the connecting axle of described oil cylinder drives described 3rd slide block movement, while described 3rd slide block movement, described pulley rolls in described chute, and described pulley drives described slide bar to complete angled core-pulling while described chute rolls.
The bottom of described 3rd slide block 11 is provided with a chute 111, be obtuse angle θ between the axis of described chute 111 and the axis of described driving mechanism 12, described obtuse angle θ is 120 °-150 °, in the present embodiment, being arranged so that smooth slip in the process of loosing core and preventing from being suffocated in the process of loosing core of described obtuse angle.
In the slideway of described patrix insert 13 oblique be provided with one can the slide bar 113 of relative sliding, the top pivot of described slide bar 113 is provided with a roller 112, coordinate for rolling between described roller 112 with described chute 111, described 3rd slide block 11 drives the realization of moving of described slide bar 113 to loose core.Loose core in process at described 3rd slide block 11, described slide bar 113 only has the motion on a direction, and namely the direction of motion of described 3rd slide block 11 is consistent.Described pulley 112 has the motion in both direction, and a motion is that described pulley 112 rotates in described chute 111, and another motion is up moved in described chute 111.
In the present embodiment, described pulley is a chondritic, the design of described chondritic makes in described pulley and described chute contact process that contact surface can be very little, namely contacting of line and sphere is realized, the power of suppressing can not be produced in motion process, described angled-lift splits can not be stuck or locked in the process of loosing core, and this design can improve the operating efficiency in production process greatly.The axis of described slideway and the axis perpendicular of described chute 111, this design makes described pulley 112 in described chute 111, drive described slide bar to move up and down.Described slide bar 113 has a movement travel with described roller 112 at described chute 111, and described movement travel is less than the length of described chute 111.
Described first slide block 22 and described second slide block 23 are provided with symmetrical inclined hole 24,25, in the present embodiment, described first slide block are preferably gap and are provided with two inclined holes, described second slide block is preferably gap and is provided with two inclined holes.The Angle Pin be arranged on described patrix 1 inserts and described inclined hole 24, in 25, when described patrix 1 carries out die sinking or matched moulds, described Angle Pin drives described first slide block 22 and described second slide block 23 to carry out opening and closing campaign, namely when described patrix 1 carries out die sinking, described counterdie 2 is motionless, described Angle Pin drives described first slide block and described second slide block realizes described first slide block and namely loosing core of described second slide block realize the die sinking of product, during die sinking, what described first Angle Pin and described second Angle Pin did self is translational motion, namely described Angle Pin drives described first slide block 22 and described second slide block 23 to carry out opening motion.
When described patrix 1 carries out matched moulds, described Angle Pin drives described first slide block 22 and described second slide block 23 to carry out closing motion.Described Angle Pin is arranged on described patrix, does not mark in figure, and this Angle Pin arranges and belongs to the known of those skilled in the art, does not repeat them here.
As shown in Figure 1, be the direction of motion of described first slide block 22 and described second slide block 23 and described 3rd slide block 11.The core pulling distance of described driving mechanism 4 is greater than the sliding distance of described slide bar 113.
Described mechanism also comprises a note type mouth 3, and described note type mouth 3 is through described patrix 1 and described counterdie 2.Described fixed head 21 is equipped with a thimble 211 for being ejected by product 4.When die sinking, described product 4 ejects by described thimble.The ejecting position and should be located at the large place of ejection resistance of described thimble 211, described thimble should not be located at the thinnest place of plastic, in order to avoid plastic distortion or damage, when structure needs to withstand on thin-walled place, can increase and eject area, improve plastic force-bearing situation.Now, general employing ejects dish and ejects.Described thimble diameter is unsuitable meticulous, and enough rigidity should be had to bear ejecting force, when structure restriction eject area less time, in order to avoid elongate rod distortion, stairstepping push rod can be designed to.Coordination top set pin end face should exceed 0.05 ~ 1mm with mold cavity at same plane or than the plane of mold cavity, otherwise, plastic can be affected and use.
Present invention further teaches and a kind ofly realize multi-direction core pulling method of loosing core, comprise the following steps:
S1: matched moulds step,
Patrix is combined with counterdie under the driving of servomotor, the first slide block, the second slide block and the 3rd slide block return, and driving mechanism resets;
S2: cast step,
The plastic cement of melting is injected in mold cavity from injection hole, described molten plastic flows through patrix insert, upper film and lower film successively and forms a runner, the interface channel of mold cavity and runner has a cast gate, when the stream of plastic of melting is by described cast gate, plastics are full of die cavity;
S3: step of loosing core,
Start driving mechanism, described driving mechanism drives described 3rd slide block to move in the X-axis direction by connecting axle, described roller is subject to the shearing force that described chute applies, order about described roller to roll in the chute of described 3rd slide block, and then drive described slide bar to slide in the slideway of patrix insert 13, realize loosing core;
S4: die sinking step,
Mechanical mechanism drives described patrix to have risen die sinking action, and described counterdie is motionless; Described mechanical mechanism is the mechanical mechanism of injection machine, and now, the Angle Pin of described patrix drives described first slide block 22 and described second slide block 23 to move round about;
S5: product eject step,
By thimble ejecting product, described product is deviate from from mold cavity;
Continue to be cycled to repeat said process.
Instant invention overcomes the phenomenon that in prior art, angled-lift splits is easily stuck, utilize oil cylinder core-pulling mechanism automatically to control the stroke of angled-lift splits, it is locked that the design of described slide bar, chute, roller avoids angled-lift splits described in knockout course.Whole mechanism structure simply and easily manufacture, reduces the manufacture difficulty of mould, has saved production cost, avoid the infringement that product appearance quality is caused, meet injecting products qualification rate and matching requirements, reduce maintenance rate and the use cost of mould, be adapted at industrial promoting the use of.
The present invention still has numerous embodiments, all employing equivalents or equivalent transformation and all technical schemes formed, and all drops within protection scope of the present invention.
Claims (10)
1. one kind can realize multi-direction mechanism of loosing core, comprise patrix (1), counterdie (2), it is characterized in that: described patrix (1) is provided with the 3rd slide block (11), driving mechanism (12) and patrix insert (13), described counterdie (2) is provided with a fixed head (21), described fixed head (21) is mounted slidably the first slide block (22) and second slide block (23) of relative sliding, described driving mechanism (12) is connected with described 3rd slide block (11) and drives described 3rd slide block (11) to move in the X-axis direction, the bottom of described 3rd slide block (11) is provided with a chute (111), be obtuse angle (θ) between the axis of described chute (111) and the axis of described driving mechanism (12), in the slideway of described patrix insert (13) oblique be provided with one can the slide bar (113) of relative sliding, the top pivot of described slide bar (113) is provided with a roller (112), coordinate for rolling between described roller (112) with described chute (111), described 3rd slide block (11) drives described slide bar (113) motion realization to loose core.
2. according to claim 1ly a kind ofly realize multi-direction mechanism of loosing core; it is characterized in that: described first slide block (22) and described second slide block (23) are provided with symmetrical inclined hole (24; 25); the Angle Pin be arranged on described patrix inserts and described inclined hole (24; 25) in; when described patrix (1) carries out die sinking or matched moulds, described Angle Pin drives described first slide block (22) and described second slide block (23) to carry out opening and closing campaign.
3. according to claim 1ly a kind ofly realize multi-direction mechanism of loosing core, it is characterized in that: described slide bar (113) and described roller (112) have a movement travel at described chute (111), and described movement travel is less than the length of described chute (111).
4. according to claim 1ly a kind ofly realize multi-direction mechanism of loosing core, it is characterized in that: described obtuse angle (θ) is 120 °-150 °.
5. according to claim 1ly a kind ofly realizing multi-direction mechanism of loosing core, it is characterized in that: described fixed head (21) being equipped with a thimble (211) for being ejected by product.
6. according to claim 1ly a kind ofly realize multi-direction mechanism of loosing core, it is characterized in that: the core pulling distance of described driving mechanism (4) is greater than the sliding distance of described slide bar (113).
7. according to claim 1ly a kind ofly realize multi-direction mechanism of loosing core, it is characterized in that: described driving mechanism (12) is provided with a connecting axle (121), described connecting axle (121) is connected with described 3rd slide block (11).
8. according to claim 7ly a kind ofly realize multi-direction mechanism of loosing core, it is characterized in that: described driving mechanism (12) is an oil cylinder.
9. according to claim 1ly a kind ofly realize multi-direction mechanism of loosing core, it is characterized in that: the axis of described slideway and the axis perpendicular of described chute (111).
10. can realize a multi-direction core pulling method of loosing core, it is characterized in that: comprise the following steps:
S1: matched moulds step,
Patrix is combined with counterdie under the driving of servomotor, the first slide block, the second slide block and the 3rd slide block return, and driving mechanism resets;
S2: cast step,
The plastic cement of melting is injected in mold cavity from injection hole, described molten plastic flows through patrix insert, upper film and lower film successively and forms a runner, the interface channel of mold cavity and runner has a cast gate, when the stream of plastic of melting is by described cast gate, plastics are full of die cavity;
S3: step of loosing core,
Start driving mechanism, described driving mechanism drives described 3rd slide block to move in the X-axis direction by connecting axle, the shearing force that described roller is subject to chute applying is rolled in the chute of described 3rd slide block, and then drives described slide bar to slide in the slideway of patrix insert, realizes loosing core;
S4: die sinking step,
Mechanical mechanism drives described patrix to have risen die sinking action; Now, the Angle Pin of described patrix drives described first slide block and described second slide block to move round about;
S5: product eject step,
By thimble ejecting product, described product is deviate from from mold cavity.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201511010942.9A CN105500639A (en) | 2015-12-30 | 2015-12-30 | Mechanism capable of realizing core pulling in multiple directions and core pulling method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201511010942.9A CN105500639A (en) | 2015-12-30 | 2015-12-30 | Mechanism capable of realizing core pulling in multiple directions and core pulling method |
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| CN105500639A true CN105500639A (en) | 2016-04-20 |
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| CN201511010942.9A Pending CN105500639A (en) | 2015-12-30 | 2015-12-30 | Mechanism capable of realizing core pulling in multiple directions and core pulling method |
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Cited By (5)
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| CN107127935A (en) * | 2017-06-14 | 2017-09-05 | 嘉兴学院 | A kind of multi-faceted hole forming equipment |
| CN107984706A (en) * | 2017-12-28 | 2018-05-04 | 欧唐科技（深圳）有限公司 | United ejection mechanism and its extrusion method |
| CN108656458A (en) * | 2018-05-10 | 2018-10-16 | 浙江安吉护童家具有限公司 | Mold and the method for manufacturing moulding article |
| CN111531823A (en) * | 2020-05-11 | 2020-08-14 | 吉安集睿科技有限公司 | Core-pulling structure die |
| CN115157531A (en) * | 2022-02-22 | 2022-10-11 | 宝鸡法士特齿轮有限责任公司 | Auxiliary automatic unloading mechanism |
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| CN205326174U (en) * | 2015-12-30 | 2016-06-22 | 优力精密塑胶（苏州工业园区）有限公司 | Multi -direction mechanism of loosing core can realize |
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| CN115157531A (en) * | 2022-02-22 | 2022-10-11 | 宝鸡法士特齿轮有限责任公司 | Auxiliary automatic unloading mechanism |
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