CN106584796A - Oil cylinder driving ejection core pulling mechanism - Google Patents

Oil cylinder driving ejection core pulling mechanism Download PDF

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Publication number
CN106584796A
CN106584796A CN201611215125.1A CN201611215125A CN106584796A CN 106584796 A CN106584796 A CN 106584796A CN 201611215125 A CN201611215125 A CN 201611215125A CN 106584796 A CN106584796 A CN 106584796A
Authority
CN
China
Prior art keywords
plate
oil cylinder
core
ejection
guide pillar
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.)
Pending
Application number
CN201611215125.1A
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Chinese (zh)
Inventor
王建超
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Zhejiang Business Technology Institute
Original Assignee
Zhejiang Business Technology Institute
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Zhejiang Business Technology Institute filed Critical Zhejiang Business Technology Institute
Priority to CN201611215125.1A priority Critical patent/CN106584796A/en
Publication of CN106584796A publication Critical patent/CN106584796A/en
Pending legal-status Critical Current

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Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C45/00Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
    • B29C45/17Component parts, details or accessories; Auxiliary operations
    • B29C45/26Moulds
    • B29C45/33Moulds having transversely, e.g. radially, movable mould parts
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C45/00Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
    • B29C45/17Component parts, details or accessories; Auxiliary operations
    • B29C45/26Moulds
    • B29C45/33Moulds having transversely, e.g. radially, movable mould parts
    • B29C45/332Mountings or guides therefor; Drives therefor
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C45/00Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
    • B29C45/17Component parts, details or accessories; Auxiliary operations
    • B29C45/40Removing or ejecting moulded articles
    • B29C45/4005Ejector constructions; Ejector operating mechanisms

Abstract

The invention provides an oil cylinder driving ejection core pulling mechanism which comprises a side core pulling oil cylinder, a drawbar sleeve, a guide pillar pressure plate, a floating plate guide pillar, a guide sleeve, an air cylinder ejection rod, an air cylinder mounting plate, an air cylinder, a lower fine locating pillar, a floating plate, a side core, a side ejection pin, a side ejection pin plate guide pillar, a left travel switch, a right travel switch, an upper fine locating pillar, a side ejection pin cover plate, a side ejection pin push plate, a side bottom plate and a side ejection pin plate guide sleeve. With the adoption of the technical scheme, when a finished product is required to be ejected and demoulded transversely, a situation that the finished product is demoulded from other mould forming pieces except the side core without damage can be ensured effectively, no ejection trace is left in the product, the product forming quality is ensured, the mould design height can be reduced, and the mould production cost and the product injection molding cost can be reduced. The oil cylinder driving ejection core pulling mechanism is reasonable in structural design, compact in structure and convenient to use, works stably and is safe and reliable.

Description

Hydraulic oil cylinder driving ejects core-pulling mechanism
Technical field
The present invention relates to injection mold mechanism design field, specially hydraulic oil cylinder driving ejection core-pulling mechanism.
Background technology
When product is molded, when the ejection of product on injection mold die sinking direction is inconvenient to eject, ejection can be changed It is the horizontal ejection vertical with die sinking direction, laterally a favourable benefit of ejection can be simplified mould structure, effectively protect Shield product appearance, reduces mold height, reduces the range demands to injection machine;But, laterally an essential condition of ejection is Product nondestructively demoulding abjection from other the mould molding parts in addition to side core_pulling is must assure that, it is, therefore, necessary to reliable design Side product ejecting mechanism and matched side core-pulling floating ejecting mechanism.
The content of the invention
The technical problem to be solved is to provide hydraulic oil cylinder driving ejection core-pulling mechanism, and reasonable in design, structure is tight Gather, working stability is safe and reliable, easy-to-use;To solve above-mentioned existing technical problem, the present invention adopts following scheme:Oil Cylinder drives ejection core-pulling mechanism, including side core-pulling oil cylinder, drag link sleeve, guide pillar pressing plate, float plate guide pillar, guide pin bushing, ejecting rod of cylinder, gas Cylinder installing plate, cylinder, lower fine positioning post, float plate, side core, side thimble, side ejector retainner plate guide pillar, left travel switch, right lateral journey Switch, upper fine positioning post, side thimble cover plate, side thimble push plate, side base plate, side Guided Ejection Bushing.
Preferably, the floating ejection assembly includes guide pillar pressing plate, float plate guide pillar, guide pin bushing, ejecting rod of cylinder, cylinder peace Dress plate, cylinder, lower fine positioning post, float plate, upper fine positioning post.
Preferably, in the floating ejection assembly, installation gripper shoe of the float plate for oil cylinder side ejection assembly, thereon The top half of lower fine positioning post, guide pillar pressing plate, float plate guide pillar are provided with by screw;Guide pin bushing, cylinder mounting plate and lower essence The latter half of locating dowel is installed on the applied mould template of mechanism;Cylinder is installed on cylinder mounting plate by screw On, ejecting rod of cylinder is the power union piece between cylinder and float plate;Upper fine positioning post top half is installed on mechanism institute Using mould template on, the latter half is installed in float plate.
Preferably, in the floating ejection assembly, cylinder is the power source of float plate ejection;Float plate guide pillar, guide pin bushing Guide elements when moving for float plate;Upper fine positioning post, lower fine positioning post for floating sheet reset when accurate closed orientation is provided.
Preferably, oil cylinder side ejection assembly includes side core-pulling oil cylinder, drag link sleeve, side core, side thimble, side top Guided Ejection Leader Pin, left travel switch, right travel switch, side thimble cover plate, side thimble push plate, side base plate, side Guided Ejection Bushing.
Preferably, in the ejection assembly of the oil cylinder side, side core, side base plate are installed in float plate by screw; Side ejector retainner plate guide pillar is installed between side core, side base plate;Side thimble is installed on the thimble cover plate of side, and passes through side thimble push plate Compress, side thimble push plate is coupled with side thimble cover plate screw fastening;Be installed on the outside of the Guided Ejection Bushing of side on the thimble push plate of side, Inner side is installed on the ejector retainner plate guide pillar of side, and side ejector retainner plate guide pillar is side thimble cover plate, side thimble push plate by side Guided Ejection Bushing Motion provide guiding.
Preferably, in the ejection assembly of the oil cylinder side, side core-pulling oil cylinder is installed on the base plate of side, by with drag link sleeve It is coupled the motion for side thimble cover plate, side thimble push plate and power source is provided;Drag link sleeve is installed on the thimble push plate of side.
Preferably, in the ejection assembly of the oil cylinder side, left travel switch, right travel switch are installed on floating by backing plate On dynamic plate, to control the space stroke of side thimble cover plate, side thimble push plate molectron.
Preferably, the floating ejection assembly for by the product on side core and oil cylinder side ejection assembly from mould In template, Relative Floating is ejected together;Oil cylinder side ejection assembly is completed for product is ejected from side core upper side edge The demoulding of product.
Beneficial effect:The hydraulic oil cylinder driving ejection core-pulling mechanism that the present invention is provided using above-mentioned technical proposal, in the finished product demoulding When needing row ejection device, both it had been effective to ensure that product was nondestructively taken off from other the mould molding parts in addition to side core_pulling Mould is deviate from, and does not leave ejection vestige, it is ensured that forming quality of products on product, can reduce Design of Dies height again, reduces mould life Produce cost of manufacture and product injection cost;Mechanism structure is reasonable in design, compact conformation, and working stability is safe and reliable, using just Profit.
Description of the drawings
Fig. 1 is that hydraulic oil cylinder driving of the present invention ejects core-pulling mechanism structure composition schematic diagram;
Fig. 2 is that each part of hydraulic oil cylinder driving of the present invention ejection core-pulling mechanism installs cooperation schematic diagram;
Fig. 3 is hydraulic oil cylinder driving of the present invention ejection core-pulling mechanism side ejecting mechanism isometric view;
Fig. 4 is hydraulic oil cylinder driving ejection mounting structure schematic diagram of the core-pulling mechanism on mould of the present invention;
Fig. 5 is state diagram when hydraulic oil cylinder driving of the present invention ejection core-pulling mechanism is molded;
Fig. 6 is floating ejection state diagram after hydraulic oil cylinder driving of the present invention ejection core-pulling mechanism die sinking;
Fig. 7 is product side ejection state diagram after hydraulic oil cylinder driving of the present invention ejection core-pulling mechanism die sinking.
Specific embodiment
Fig. 1-7 show related description figure of the present invention;
Hydraulic oil cylinder driving eject core-pulling mechanism, including side core-pulling oil cylinder 1, drag link sleeve 2, guide pillar pressing plate 3, float plate guide pillar 4, guide pin bushing 5, Ejecting rod of cylinder 6, cylinder mounting plate 7, cylinder 8, lower fine positioning post 9, float plate 10, side core 11, side thimble 12, side ejector retainner plate are led Post 13, left travel switch 14, right travel switch 15, upper fine positioning post 16, side thimble cover plate 17, side thimble push plate 18, side base plate 19th, side Guided Ejection Bushing 20, as shown in Figure 1 and Figure 2.
The floating ejection assembly includes guide pillar pressing plate 3, float plate guide pillar 4, guide pin bushing 5, ejecting rod of cylinder 6, cylinder mounting plate 7th, cylinder 8, lower fine positioning post 9, float plate 10, upper fine positioning post 16.
In the floating ejection assembly, installation gripper shoe of the float plate 10 for oil cylinder side ejection assembly, thereon by spiral shell Nail is provided with the top half of lower fine positioning post 9, guide pillar pressing plate 3, float plate guide pillar 4;Guide pin bushing 5, cylinder mounting plate 7 and lower essence are fixed The latter half of position post 9 is installed on the applied mould template of mechanism;Cylinder 8 is installed on cylinder mounting plate 7 by screw On, ejecting rod of cylinder 6 is the power union piece between cylinder 8 and float plate 10;Upper 16 top half of fine positioning post is installed on this On the applied mould template of mechanism, the latter half is installed in float plate 10.
In the floating ejection assembly, cylinder 8 is the power source of the ejection of float plate 10;Float plate guide pillar 4, guide pin bushing 5 are floating Guide elements when dynamic plate 10 is moved;Upper fine positioning post 16, lower fine positioning post 9 provide accurate closure when resetting for float plate 10 fixed Position.
Oil cylinder side ejection assembly includes side core-pulling oil cylinder 1, drag link sleeve 2, side core 11, side thimble 12, side thimble Plate guide pillar 13, left travel switch 14, right travel switch 15, side thimble cover plate 17, side thimble push plate 18, side base plate 19, side thimble Plate guide pin bushing 20.
In the ejection assembly of the oil cylinder side, side core 11, side base plate 19 are installed in float plate 10 by screw;Side type Side ejector retainner plate guide pillar 13 is installed between core 11, side base plate 19;Side thimble 12 is installed on side thimble cover plate 17, and is pushed up by side Pin push pedal 18 is compressed, and side thimble push plate 18 is coupled with screw fastening with side thimble cover plate 17;Install on the outside of side Guided Ejection Bushing 20 On side thimble push plate 18, inner side be installed on side ejector retainner plate guide pillar 13, side ejector retainner plate guide pillar 13 passes through side Guided Ejection Bushing 20 Motion for side thimble cover plate 17, side thimble push plate 18 provides guiding.
In the ejection assembly of the oil cylinder side, side core-pulling oil cylinder 1 is installed on side base plate 19, by being coupled with drag link sleeve 2 Motion for side thimble cover plate 17, side thimble push plate 18 provides power source;Drag link sleeve 2 is installed on side thimble push plate 18, such as Fig. 3 It is shown.
In the ejection assembly of the oil cylinder side, left travel switch 14, right travel switch 15 are installed on float plate by backing plate On 10, to control the space stroke of side thimble cover plate 17,18 molectron of side thimble push plate.
The floating ejection assembly for by the product on side core 11 and oil cylinder side ejection assembly from mould template Relative Floating is ejected together;Oil cylinder side ejection assembly completes product for product is ejected from 11 upper side edge of side core The demoulding.
Further, for ease of the operation principle explanation of the present invention, in Fig. 4, it need to be pointed out that mechanism mould mating parts Including impression bolster 21, die cavity mold insert 22, core mold insert 23, core fixing plate 24;In Fig. 5, PL identifies meaning for mould point Type face.Corresponding, upper 16 top half of fine positioning post is installed on the applied mould template impression bolster 21 of mechanism, is led The latter half of set 5, cylinder mounting plate 7 and lower fine positioning post 9 is installed on the applied mould template core fixing plate of mechanism On 24.
During real work, as illustrated in figs. 5-7, its motion operation principle is as follows:
1)After product top half demoulding mould die cavity is opened, under the pulling of injection machine push rod, mould dynamic model part and cover half Part progressively separates, and now, die cavity mold insert 22 is separated with product, completes the top half demoulding of product, as shown in Figure 5;
2)After product the latter half demoulding mould die cavity is opened, mould dynamic model part is progressively separated to a positioning with cover half part Postpone, no longer separate, now, 8 action of cylinder, by oil cylinder side ejection assembly is ejected by ejecting rod of cylinder 6 upwards, thus, Side core 11 it is related by product from core mold insert 23 together ejection device, as shown in Figure 6;
3)After the completion of product laterally ejects the side core demoulding product the latter half demoulding, as shown in fig. 7, side core-pulling oil cylinder 1 is dynamic Make, promote side thimble cover plate 17, side thimble push plate 18 under the ejector retainner plate guide pillar 13, guide effect of side Guided Ejection Bushing 20 of side, Promote side thimble 12 to the left by product from 11 ejection device of side core, left travel switch 14 is used to control to promote side thimble cover plate 17th, the ejection stroke to the left of side thimble push plate 18, right travel switch 15 be used for control side thimble cover plate 17, side thimble push plate 18 to Right return stroke.
4)When resetting, before mold cavity closure, injection machine push rod will promote dynamic model partial reset, first side core-pulling 1 action of oil cylinder, pulls to the right and promotes side thimble cover plate 17, side thimble push plate 18, so as to incite somebody to action
Side thimble 12 is retracted into the right reset, when completing to reset, 15 action of right travel switch;Then 8 action of cylinder, by oil cylinder side Side ejection assembly pulls down reply position;Finally, mould closure, waits next injection cycle to start.
Specific embodiment described herein is only explanation for example spiritual to the present invention, technology neck belonging to the present invention The technical staff in domain can be made various modifications or supplement or replaced using similar mode to described specific embodiment Generation, but without departing from the spiritual of the present invention or surmount scope defined in appended claims.

Claims (9)

1. hydraulic oil cylinder driving ejection core-pulling mechanism, including side core-pulling oil cylinder(1), drag link sleeve(2), guide pillar pressing plate(3), float plate guide pillar (4), guide pin bushing(5), ejecting rod of cylinder(6), cylinder mounting plate(7), cylinder(8), lower fine positioning post(9), float plate(10), side core (11), side thimble(12), side ejector retainner plate guide pillar(13), left travel switch(14), right travel switch(15), upper fine positioning post (16), side thimble cover plate(17), side thimble push plate(18), side base plate(19), side Guided Ejection Bushing(20).
2. core-pulling mechanism is ejected according to claim 1 hydraulic oil cylinder driving, the floating ejection assembly includes guide pillar pressing plate(3), float Plate guide pillar(4), guide pin bushing(5), ejecting rod of cylinder(6), cylinder mounting plate(7), cylinder(8), lower fine positioning post(9), float plate(10)、 Upper fine positioning post(16).
3. core-pulling mechanism, in the floating ejection assembly, float plate are ejected according to claim 1 hydraulic oil cylinder driving(10)For oil cylinder side The installation gripper shoe of side ejection assembly, is provided with lower fine positioning post by screw thereon(9)Top half, guide pillar pressing plate(3)、 Float plate guide pillar(4);Guide pin bushing(5), cylinder mounting plate(7)And lower fine positioning post(9)To be installed on mechanism answered for the latter half With mould template on;Cylinder(8)Cylinder mounting plate is installed on by screw(7)On, ejecting rod of cylinder(6)For cylinder(8)With it is floating Dynamic plate(10)Between power union piece;Upper fine positioning post(16)Top half is installed on the applied mould template of mechanism On, the latter half is installed on float plate(10)On.
4. core-pulling mechanism, in the floating ejection assembly, cylinder are ejected according to claim 1 hydraulic oil cylinder driving(8)For float plate (10)The power source of ejection;Float plate guide pillar(4), guide pin bushing(5)For float plate(10)Guide elements during motion;Upper fine positioning post (16), lower fine positioning post(9)For float plate(10)Accurate closed orientation is provided during reset.
5. core-pulling mechanism is ejected according to claim 1 hydraulic oil cylinder driving, oil cylinder side ejection assembly includes side core-pulling oil cylinder (1), drag link sleeve(2), side core(11), side thimble(12), side ejector retainner plate guide pillar(13), left travel switch(14), right lateral journey opens Close(15), side thimble cover plate(17), side thimble push plate(18), side base plate(19), side Guided Ejection Bushing(20).
6. core-pulling mechanism, in the ejection assembly of the oil cylinder side, side core are ejected according to claim 1 hydraulic oil cylinder driving(11), side Base plate(19)Float plate is installed on by screw(10)On;Side core(11), side base plate(19)Between side ejector retainner plate be installed lead Post(13);Side thimble(12)
It is installed on side thimble cover plate(17)On, and pass through side thimble push plate(18)Compress, side thimble push plate(18)With side thimble lid Plate(17)It is coupled with screw fastening;Side Guided Ejection Bushing(20)Outside is installed on side thimble push plate(18)Upper, inner side is installed on side Ejector retainner plate guide pillar(13)On, side ejector retainner plate guide pillar(13)By side Guided Ejection Bushing(20)For side thimble cover plate(17), side thimble Push pedal(18)Motion provide guiding.
7. core-pulling mechanism, in the ejection assembly of the oil cylinder side, side core-pulling oil cylinder are ejected according to claim 1 hydraulic oil cylinder driving(1) It is installed on side base plate(19)On, by with drag link sleeve(2)It is coupled for side thimble cover plate(17), side thimble push plate(18)Motion carry For power source;Drag link sleeve(2)It is installed on side thimble push plate(18)On.
8. core-pulling mechanism, in the ejection assembly of the oil cylinder side, left travel switch are ejected according to claim 1 hydraulic oil cylinder driving (14), right travel switch(15)Float plate is installed on by backing plate(10)On, to control side thimble cover plate(17), side thimble push plate (18)The space stroke of molectron.
9. core-pulling mechanism is ejected according to claim 1 hydraulic oil cylinder driving, the floating ejection assembly is for by side core(11)On Product and oil cylinder side ejection assembly Relative Floating from mould template are ejected together;Oil cylinder side ejection assembly is used for will Product is from side core(11)Upper side edge is ejected, and completes the demoulding of product.
CN201611215125.1A 2016-12-26 2016-12-26 Oil cylinder driving ejection core pulling mechanism Pending CN106584796A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201611215125.1A CN106584796A (en) 2016-12-26 2016-12-26 Oil cylinder driving ejection core pulling mechanism

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201611215125.1A CN106584796A (en) 2016-12-26 2016-12-26 Oil cylinder driving ejection core pulling mechanism

Publications (1)

Publication Number Publication Date
CN106584796A true CN106584796A (en) 2017-04-26

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CN201611215125.1A Pending CN106584796A (en) 2016-12-26 2016-12-26 Oil cylinder driving ejection core pulling mechanism

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111958924A (en) * 2020-09-03 2020-11-20 周洪章 Three-piece injection mold and injection molding method

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1729147A1 (en) * 1967-06-07 1971-06-09 Eckert & Ziegler Gmbh Hydraulic or pneumatic drive device for the ejection device of a form-filling machine
WO2001098056A1 (en) * 2000-06-19 2001-12-27 Progressive Components International Corporation A core pin and sleeve and method of using same
CN103707473A (en) * 2013-12-06 2014-04-09 台州市黄岩炜大塑料机械有限公司 Plastic mold internal screw thread floating stopping demolding mechanism
CN104772874A (en) * 2015-05-01 2015-07-15 陈伟娅 Injection molding air cylinder and floating ejection oil cylinder combined side ejection mechanism
CN105034269A (en) * 2015-07-14 2015-11-11 严鹏 Automatic production injection mold capable of achieving bottle capping automatically

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1729147A1 (en) * 1967-06-07 1971-06-09 Eckert & Ziegler Gmbh Hydraulic or pneumatic drive device for the ejection device of a form-filling machine
WO2001098056A1 (en) * 2000-06-19 2001-12-27 Progressive Components International Corporation A core pin and sleeve and method of using same
CN103707473A (en) * 2013-12-06 2014-04-09 台州市黄岩炜大塑料机械有限公司 Plastic mold internal screw thread floating stopping demolding mechanism
CN104772874A (en) * 2015-05-01 2015-07-15 陈伟娅 Injection molding air cylinder and floating ejection oil cylinder combined side ejection mechanism
CN105034269A (en) * 2015-07-14 2015-11-11 严鹏 Automatic production injection mold capable of achieving bottle capping automatically

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111958924A (en) * 2020-09-03 2020-11-20 周洪章 Three-piece injection mold and injection molding method

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Application publication date: 20170426