CN203254617U - Injection mold capable of automatically pulling core through ejection - Google Patents

Injection mold capable of automatically pulling core through ejection Download PDF

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Publication number
CN203254617U
CN203254617U CN 201320216823 CN201320216823U CN203254617U CN 203254617 U CN203254617 U CN 203254617U CN 201320216823 CN201320216823 CN 201320216823 CN 201320216823 U CN201320216823 U CN 201320216823U CN 203254617 U CN203254617 U CN 203254617U
Authority
CN
China
Prior art keywords
core
mold
rod
mould bases
pulling
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.)
Expired - Fee Related
Application number
CN 201320216823
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Chinese (zh)
Inventor
林永贵
魏波
杨兴隆
方长焕
赵龙
刘选锦
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.)
FUZHOU LANKALU INDUSTRIAL Co Ltd
Original Assignee
FUZHOU LANKALU INDUSTRIAL Co Ltd
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 FUZHOU LANKALU INDUSTRIAL Co Ltd filed Critical FUZHOU LANKALU INDUSTRIAL Co Ltd
Priority to CN 201320216823 priority Critical patent/CN203254617U/en
Application granted granted Critical
Publication of CN203254617U publication Critical patent/CN203254617U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Abstract

The utility model discloses an injection mold capable of automatically pulling a core through ejection. The injection mold comprises an upper mold cover and a mold bottom frame, wherein the upper mold cover is provided with an upper mold; the mold bottom frame is provided with a lower mold; a movable mold frame with a combination mold core is arranged between the upper mold cover and the mold bottom frame and is slidably connected with the mold bottom frame; a hollowed groove through which the lower mold can penetrate is formed, below a mold core, in the movable mold frame; the lower mold can penetrate through the movable mold frame and is fastened with the upper mold to form a mold cavity; the combination mold core is positioned in the mold cavity, is T-shaped, and consists of a vertical mold core and two horizontal mold cores which are positioned on two sides of the vertical mold core and are coaxial; the vertical mold core and the horizontal mold cores are slidably connected with the movable mold frame respectively and are connected with a piston rod of an air cylinder respectively so as to realize core pulling or mold core resetting after the movable mold frame is jacked. A mode of jacking a workpiece and the combination mold core together after the workpiece is formed by injection molding and then pulling the core under the driving of the air cylinder is adopted, conventional manual operation is improved into automatic operation, the injection mold is simple in structure, and the production efficiency is effectively improved.

Description

A kind of injection mold that ejects automatic core-pulling
Technical field
The utility model relates to a kind of injection mold that ejects automatic core-pulling, specifically a kind of injection mold that can realize by cylinder automatic side core-pulling.
Background technology
A kind of processing method of using when injection mo(u)lding is some complex-shaped parts of batch production.Specifically the finger material that melts that will be heated is injected die cavity by high pressure, behind cooling curing, obtains formed products.When the design of part of injection mo(u)lding is simple, can directly obtain finished product after opening mould cavity; When the part of injection mo(u)lding because profile or side opening when the shape such as the step that becomes with the main direction of loosing core than mitre, groove is arranged, the simply folding demoulding after forming part solidifies in injection mold, mould often needs to increase core-pulling mechanism and carries out the side direction demoulding, mostly use now mechanical core-pulling mechanism, the machinery core-pulling mechanism utilizes taper pin to loose core as mechanical force, this kind mechanism complexity, and the stroke of loosing core is short.Manually loose core if adopt, then labor strength greatly and cost is large and damage easily forming part in the process of loosing core, and accelerates the wearing and tearing of mould fuse.
Summary of the invention
In order to overcome the deficiency in the existing injection moulding ejection technique, the utility model provides a kind of injection mold that ejects automatic core-pulling.
A kind of injection mold that ejects automatic core-pulling, comprise: the upper mould cover that is provided with patrix, be provided with the mould underframe of counterdie, the one movable mould bases that is provided with combination mold core is arranged between described upper mould cover and the mould underframe, be slidingly connected between movable mould bases and the mould underframe, movable mould bases has below the core rod position can be by the hollow slots of counterdie, counterdie can pass movable mould bases and the patrix composition die cavity that interlocks, described combination mold core is arranged in die cavity and is the T font by vertical core rod and is positioned at vertical core rod both sides and two coaxial horizontal core rods and consist of, vertical core rod and laterally core rod respectively with movable mould bases between be slidingly connected and be connected with cylinder piston rod respectively to be implemented in after the movable mould bases jack-up loose core or core rod resets.
Described mould underframe is by panel, base plate and be positioned at middle level needle plate moving up and down and form, and the guide pillar that some and described movable mould bases is slidingly matched is housed on the described panel; Some push rods that are slidingly matched with panel and are used for jacking activity mould bases are housed on the described needle plate; Between described mould underframe and the movable mould bases back-moving spring is housed.The needle plate of mould underframe is provided with the needle plate limited block.
The coaxial outboard end of vertical core rod on the described movable mould bases is provided with cylinder, and cylinder piston rod is connected with vertical core rod; The outer side of described two horizontal core rods is provided with two cylinders that parallel and oppositely arrange, cylinder piston rod is connected with horizontal core rod by push rod respectively, laterally die core back end has a through hole that runs through core rod, push rod one end passes core rod, the other end is slidingly connected by the guide sliding base of leading on slide post and the mould bases, connects by T-shaped groove between described push rod and the corresponding driving cylinder; Push rod is provided with a limited block, cooperates with set limit point on the mould bases; Each die core back end of combination mold core is cylindric and has chute in both sides, and described mould bases is provided with take-up housing, and the guiding pressing plate is arranged on the take-up housing, and core rod cooperates slip with pressing plate on take-up housing; Be connected by T-shaped groove between vertical core rod and its driving cylinder piston rod.
Compare with the technology of manually loosing core commonly used at present, the utility model adopts workpiece to eject rear mode by cylinder band moving-mould-core, after finishing the workpiece injection mo(u)lding, workpiece driven by cylinder after together with the combination mold core jacking again loose core, exempt artificial heavy working strength, avoided the workman directly to contact the high temperature core rod; According to the structure of injection-moulded plastic part, jacking is controlled and process is steady with the shift motion of loosing core, and is difficult for mold damage, has increased the mold use life-span; The utility model is improved to automation mechanized operation with traditional manually-operated, simple in structure, Effective Raise production efficiency.
Description of drawings
Fig. 1 is the structural perspective of the movable mould bases of the utility model and mould underframe;
Fig. 2 is the lateral plan of the movable mould bases of the utility model and mould underframe;
Fig. 3 is the structural perspective of the movable mould bases of the utility model;
Fig. 4 is the structural perspective of the utility model patrix and upper mould cover;
As shown in the figure, device comprises: patrix 1, counterdie 2, upper mould cover 3, movable mould bases 4, vertical core rod 5, laterally core rod 6, vertical cylinder 7, lateral cylinder 8, push rod 9, vertical take-up housing 10, transverse slider seat 11, vertical take-up housing pressing plate 12, transverse slider seat pressing plate 13, lead slide post 14, guide sliding base 15, limited block 16, guide pillar 17, panel 18, base plate 19, needle plate 20, push rod 21, needle plate limited block 22, back-moving spring 23.
The specific embodiment
Below in conjunction with the specific embodiment the utility model is further described, a kind of injection mold that ejects automatic core-pulling as shown in the figure, comprise: the upper mould cover 3 that is provided with patrix 1, be provided with the mould underframe of counterdie 2, the one movable mould bases 4 that is provided with combination mold core is arranged between described upper mould cover 3 and the mould underframe, be slidingly connected between movable mould bases 4 and the mould underframe, movable mould bases 4 has below the combination mold core position can be by the hollow slots of counterdie 2, counterdie 2 can pass movable mould bases 4 and the patrix 1 composition die cavity that interlocks, described combination mold core is arranged in die cavity and is the T font by vertical core rod 5 and is positioned at vertical core rod 5 both sides and two coaxial horizontal core rods 6 consist of, vertical core rod 5 and laterally core rod 6 respectively with movable mould bases 4 between be slidingly connected and be connected with cylinder piston rod respectively to be implemented in after movable mould bases 4 jack-up loose core or core rod resets.
Described mould underframe by panel 18, base plate 19 be positioned at middle level needle plate 20 moving up and down and form, the guide pillar 17 that some and described movable mould bases 4 is slidingly matched is housed on the described panel 18; Some push rods 21 that are slidingly matched with panel 18 and are used for jacking activity mould bases are housed on the described needle plate 20; Between described mould underframe and the movable mould bases 4 back-moving spring 23 is housed.The needle plate 20 of mould underframe is provided with needle plate limited block 22.
Vertical core rod 5 coaxial outboard ends on the described movable mould bases 4 are provided with cylinder, and cylinder piston rod is connected with vertical core rod 5; Described two horizontal core rod 6 outer sides are provided with two cylinders that parallel and oppositely arrange, cylinder piston rod is connected with horizontal core rod 6 by push rod 9 respectively, laterally there is a through hole that runs through core rod core rod 6 rear ends, push rod 9 one ends pass core rod, the other end is slidingly connected with guide sliding base 15 on the mould bases by leading slide post 14, passes through T-shaped groove connection between described push rod 9 and the corresponding driving cylinder; Push rod 9 is provided with a limited block 16, cooperates with set limit point on the movable mould bases; Each die core back end of combination mold core is cylindric and has chute in both sides, and described movable mould bases is provided with take-up housing, and the guiding pressing plate is arranged on the take-up housing, and core rod cooperates slip with pressing plate on take-up housing; Be connected by T-shaped groove between vertical core rod 5 and its driving cylinder piston rod.
During mold injection: upper and lower mould fastens and is the matched moulds state, and each core rod resets, and this moment, rubber injection machine carried out injecting glue to mould; After injecting glue is finished and cooled off, open patrix; Jacking activity mould bases goes out counterdie with workpiece together with the combination mold core jacking, and combination mold core outward withdrawing realization under each cylinder drives is loosed core; Take out workpiece and finish an injection moulding; Then upper and lower mould matched moulds core rod resets and enters next time injection cycle.

Claims (8)

1. injection mold that can eject automatic core-pulling, comprise: the upper mould cover that is provided with patrix, be provided with the mould underframe of counterdie, it is characterized by: a movable mould bases that is provided with combination mold core is arranged between described upper mould cover and the mould underframe, be slidingly connected between described movable mould bases and the mould underframe, described movable mould bases has below the core rod position can be by the hollow slots of counterdie, described counterdie passes movable mould bases and the patrix composition die cavity that interlocks, described combination mold core is arranged in die cavity and is the T font by vertical core rod and is positioned at vertical core rod both sides and two coaxial horizontal core rods and consist of, described vertical core rod and laterally core rod respectively with movable mould bases between be slidingly connected and be connected with cylinder piston rod respectively to be implemented in after the movable mould bases jack-up loose core or core rod resets.
2. a kind of injection mold that ejects automatic core-pulling according to claim 1, it is characterized by, described mould underframe is by panel, base plate and be positioned at middle level needle plate moving up and down and form, and the guide pillar that some and described movable mould bases is slidingly matched is housed on the described panel; Some push rods that are slidingly matched with panel and are used for jacking activity mould bases are housed on the described needle plate; Between described mould underframe and the movable mould bases back-moving spring is housed.
3. a kind of injection mold that ejects automatic core-pulling according to claim 1 is characterized by, and the needle plate of described mould underframe is provided with the needle plate limited block.
4. a kind of injection mold that ejects automatic core-pulling according to claim 1 is characterized by, and the coaxial outboard end of described vertical core rod is provided with cylinder, and cylinder piston rod is connected with vertical core rod; The outer side of described two horizontal core rods is provided with two cylinders that parallel and oppositely arrange, and cylinder piston rod is connected with horizontal core rod by push rod respectively.
5. a kind of injection mold that ejects automatic core-pulling according to claim 4, it is characterized by, described horizontal die core back end has a through hole that runs through core rod, push rod one end passes core rod, the other end is slidingly connected by the guide sliding base of leading on slide post and the mould bases, connects by T-shaped groove between described push rod and the corresponding driving cylinder.
6. a kind of injection mold that ejects automatic core-pulling according to claim 4 is characterized by, and described push rod is provided with a limited block, cooperates with set limit point on the mould bases.
7. a kind of injection mold that ejects automatic core-pulling according to claim 1, it is characterized by, each die core back end of described combination mold core is cylindric and has chute in both sides that described mould bases is provided with take-up housing, the guiding pressing plate is arranged on the take-up housing, and core rod cooperates slip with pressing plate on take-up housing.
8. a kind of injection mold that ejects automatic core-pulling according to claim 1 is characterized by, and is connected by T-shaped groove between described vertical core rod and its driving cylinder piston rod.
CN 201320216823 2013-04-26 2013-04-26 Injection mold capable of automatically pulling core through ejection Expired - Fee Related CN203254617U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN 201320216823 CN203254617U (en) 2013-04-26 2013-04-26 Injection mold capable of automatically pulling core through ejection

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN 201320216823 CN203254617U (en) 2013-04-26 2013-04-26 Injection mold capable of automatically pulling core through ejection

Publications (1)

Publication Number Publication Date
CN203254617U true CN203254617U (en) 2013-10-30

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Family Applications (1)

Application Number Title Priority Date Filing Date
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Country Status (1)

Country Link
CN (1) CN203254617U (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103831952A (en) * 2014-03-20 2014-06-04 苏州鑫荣健身器材有限公司 Automatic core pulling and demolding structure of improved-type outer barrel forming mold
CN103991182A (en) * 2014-03-20 2014-08-20 苏州鑫荣健身器材有限公司 Tip barrel demoulding mechanism of dust cleaner
CN107457962A (en) * 2016-06-02 2017-12-12 格雷斯海姆里根斯堡有限公司 Injection molding tooling and the method for being manufactured part

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103831952A (en) * 2014-03-20 2014-06-04 苏州鑫荣健身器材有限公司 Automatic core pulling and demolding structure of improved-type outer barrel forming mold
CN103991182A (en) * 2014-03-20 2014-08-20 苏州鑫荣健身器材有限公司 Tip barrel demoulding mechanism of dust cleaner
CN107457962A (en) * 2016-06-02 2017-12-12 格雷斯海姆里根斯堡有限公司 Injection molding tooling and the method for being manufactured part

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Date Code Title Description
GR01 Patent grant
C14 Grant of patent or utility model
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20131030

Termination date: 20190426

CF01 Termination of patent right due to non-payment of annual fee