CN107088994A - A kind of assisting demolding device of injection mould slanted core pulling - Google Patents
A kind of assisting demolding device of injection mould slanted core pulling Download PDFInfo
- Publication number
- CN107088994A CN107088994A CN201710491909.5A CN201710491909A CN107088994A CN 107088994 A CN107088994 A CN 107088994A CN 201710491909 A CN201710491909 A CN 201710491909A CN 107088994 A CN107088994 A CN 107088994A
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- CN
- China
- Prior art keywords
- core
- pulling
- push rod
- slant
- auxiliary push
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- 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
- B29C45/40—Removing or ejecting moulded articles
- B29C45/4005—Ejector constructions; Ejector operating mechanisms
-
- 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
- B29C45/332—Mountings or guides therefor; Drives therefor
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- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Mechanical Engineering (AREA)
- Moulds, Cores, Or Mandrels (AREA)
Abstract
The invention discloses a kind of assisting demolding device of injection mould slanted core pulling, including auxiliary push rod (1), spring (2), core (3) and slant-top core-pulling (4).The core that the present invention is used is located in the placement hole of slant-top core-pulling provided with straight trip groove, auxiliary push rod and spring, and the end slip of leading of auxiliary push rod is contacted in the straight trip groove, and the end that pushes away of auxiliary push rod is flushed with the shape face of the pellet of slant-top core-pulling;During the demoulding, in the oblique disengaging product of slant-top core-pulling, first, straight trip is slided in the straight trip groove section in the end of leading of auxiliary push rod, force the shape face that pellet is stretched out at end that pushes away of auxiliary push rod, auxiliary top pushing product, the pellet and core for making the convex tendon of product overcome cladding power to depart from slant-top core-pulling;Auxiliary push rod lead end row Bi Zhihang grooves section after, auxiliary push rod progressively bounces back into pellet under the action of the spring, push away the technical scheme that end departs from the contact cause article removal with product, make the slant-top core-pulling of the injection mold of big cladding power product, reached raising efficiency, eliminated defective products, reduce the purpose of cost.
Description
Technical field
The present invention relates to the inclined-tip core mechanism of injection mold, specifically refer to for side beads it is more, cladding the big note of power
Mould product, for aid in oblique Loose core block be smoothed out core_pulling demoulding a kind of injection mould slanted core pulling assisting demolding device.
Background technology
The side beads of some injection-molded items are more and deep, and these convex tendons and the cladding power of oblique Loose core block are big, during slant-top core-pulling
Oblique Loose core block can be sticked together because of product cladding, make product be difficult to be spontaneously decoupled mould, prior art removes product using artificial pressure,
Artificial to force to remove production efficiency low, and can pull product, i.e. product deformation, convex tendon is broken, even scrapped, and qualification rate is low, into
This height;Therefore, there is the problem of efficiency is low, defective products rate is high, cost is high and deficiency in prior art.
The content of the invention
The problem of existing for above-mentioned prior art and deficiency, the present invention are used and taken out by auxiliary push rod, spring, core and oblique top
The device that core is constituted, wherein, core is located in the placement hole of slant-top core-pulling provided with straight trip groove, auxiliary push rod and spring, auxiliary push rod
Lead end slip to contact in the straight trip groove, the end that pushes away of auxiliary push rod is flushed with the shape face of the pellet of slant-top core-pulling;
During the demoulding, the oblique upward pushing tow product of slant-top core-pulling, in the oblique disengaging product of slant-top core-pulling, first, auxiliary push rod
Lead end and slide straight trip in the straight trip groove section, force the shape face that the pellet is stretched out at end that pushes away of auxiliary push rod, auxiliary top pushing product make
The convex tendon of product overcomes the pellet and core of cladding power disengaging slant-top core-pulling;Row Bi Suoshu straight trip groove sections are held in leading for auxiliary push rod
Afterwards, auxiliary push rod is progressively bounced back into pellet under the action of the spring, and the contact for pushing away end disengaging with product, product is smoothly stripped
Technical scheme there is provided a kind of assisting demolding device of injection mould slanted core pulling, it is intended to make the injection mould of big cladding power product
The slant-top core-pulling of tool, reaches raising efficiency, eliminates defective products, reduces the purpose of cost.
The object of the present invention is achieved like this:A kind of assisting demolding device of injection mould slanted core pulling, including auxiliary top
Bar, spring, core and slant-top core-pulling, wherein:Described auxiliary push rod is cylinder step steel components, and auxiliary push rod is provided with sphere
One end is referred to as leading end, and auxiliary push rod is referred to as pushing away in the middle part of end, auxiliary push rod provided with flange step provided with one end with the identical shape face of product
Part is referred to as shoulder block;
Described spring is cylindroid helical-coil compression spring;
Described slant-top core-pulling is steel components, and the top of slant-top core-pulling is above pellet, the pellet, one side point
She You not coincide shape face with back-off, the convex tendon of product, and the bottom of slant-top core-pulling is angle ejector rod, and the angle ejector rod is rectangular rod;
Step through-hole of the bottom of the pellet provided with left and right directions is referred to as placement hole;
Described core is that core is provided with slip placement institute positioned at mould dynamic model side, the steel model for moulded products
State at the groove referred to as resettlement groove of pellet, the resettlement groove inwall provided with straight up, lower face closure, top open groove claim
For straight trip groove;
The pellet is slidably disposed in the resettlement groove of core, and the top of the angle ejector rod is oblique to slide through dynamic model load
Plate and core, the lower end of the angle ejector rod are connected with the shoes on top plate;Auxiliary push rod and spring are located at the institute of slant-top core-pulling
State in placement hole, the spring be located at the shoulder block and it is described push away between end, it is described lead end and slide contact at the described straight of core
In row groove, the end that pushes away is flushed with the shape face of the pellet of slant-top core-pulling.
Operation principle and beneficial effect
During the demoulding, top plate drives the oblique upward pushing tow product of slant-top core-pulling, in the oblique disengaging product of slant-top core-pulling, first,
Straight trip is slided in the straight trip groove section in the end of leading of auxiliary push rod, forces the shape face that the pellet is stretched out at end that pushes away of auxiliary push rod, auxiliary
Pushing tow product is helped, makes the convex tendon and back-off of product overcome cladding power to be produced with the pellet and core and loosens disengaging;Auxiliary push rod
It is described lead end row Bi Suoshu straight trip groove section after, it is described lead end continue to contradict core inclined-plane it is oblique slides upwards, auxiliary push rod exists
Progressively bounced back in the presence of spring into pellet, the contact for pushing away end disengaging with product, product is able to smoothly be stripped.
The present apparatus is simple in construction, reliable operation, makes the slant-top core-pulling of the injection mold of big cladding power product, improves effect
Rate, eliminate defective products, reduce cost.
Above-mentioned, the present invention uses the device being made up of auxiliary push rod, spring, core and slant-top core-pulling, wherein, core is provided with straight
Row groove, auxiliary push rod and spring are located in the placement hole of slant-top core-pulling, and the end slip of leading of auxiliary push rod is contacted in the straight trip groove, auxiliary
The end that pushes away of push rod is flushed with the shape face of the pellet of slant-top core-pulling;
During the demoulding, the oblique upward pushing tow product of slant-top core-pulling, in the oblique disengaging product of slant-top core-pulling, first, auxiliary push rod
Lead end and slide straight trip in the straight trip groove section, force the shape face that the pellet is stretched out at end that pushes away of auxiliary push rod, auxiliary top pushing product make
The convex tendon of product overcomes the pellet and core of cladding power disengaging slant-top core-pulling;Row Bi Suoshu straight trip groove sections are held in leading for auxiliary push rod
Afterwards, auxiliary push rod is progressively bounced back into pellet under the action of the spring, and the contact for pushing away end disengaging with product, product is smoothly stripped
Technical scheme, overcome prior art and the problem of efficiency is low, defective products rate high, cost is high and not enough, one provided be present
The assisting demolding device of injection mould slanted core pulling is planted, makes the slant-top core-pulling of the injection mold of big cladding power product, has reached and carried
High efficiency, eliminate defective products, reduce the purpose of cost.
Brief description of the drawings
Fig. 1 is a kind of main view section view of the assisting demolding device of injection mould slanted core pulling of the present invention in application mould
Structural representation;
Fig. 2 is the extraction enlarged drawing in A portions in Fig. 1;
Fig. 3 is a kind of assisting demolding device of injection mould slanted core pulling of the present invention, is operated in and leads the slip straight trip of end 11
In 31 sections of groove of straight trip, push away end 12 and stretch out auxiliary top pushing product 03, convex tendon 04 loosens the principle schematic for departing from tense with pellet 41;
Fig. 4 is the extraction enlarged drawing in B portions in Fig. 3;
Fig. 5 is a kind of assisting demolding device of injection mould slanted core pulling of the present invention, is operated in the demoulding tense of product 03
Principle schematic;
Fig. 6 is the extraction enlarged drawing in C portions in Fig. 5;
Embodiment in below in conjunction with the accompanying drawings is described in further detail to the present invention, but should not be construed as to the present invention's
Any limitation.
In figure:Auxiliary push rod 1, lead end 11, push away end 12, shoulder block 13, spring 2, core 3, straight trip groove 31, resettlement groove 32, oblique top
Core pulling 4, pellet 41, placement hole 411, angle ejector rod 42, cover half 01, die cavity 011, dynamic model 02, dynamic model support plate 021, top plate 022, cunning
Pin 023, product 03, convex tendon 04.
Embodiment
Refering to Fig. 1~Fig. 6, a kind of assisting demolding device of injection mould slanted core pulling of the invention, including auxiliary push rod 1,
Spring 2, core 3 and slant-top core-pulling 4, wherein:Described auxiliary push rod 1 is cylinder step steel components, and auxiliary push rod 1 is provided with sphere
One end be referred to as leading end 11, auxiliary push rod 1 is provided with to be referred to as pushing away end 12 with the coincide one end in shape face of product 03, and the auxiliary middle part of push rod 1 is provided with
The part of flange step is referred to as shoulder block 13;
Described spring 2 is cylindroid helical-coil compression spring;
Described slant-top core-pulling 4 is steel components, and the top of slant-top core-pulling 4 is above pellet 41, the pellet 41, one
Side is respectively equipped with to coincide shape face with back-off, the convex tendon 04 of product 03, and the bottom of slant-top core-pulling 4 is angle ejector rod 42, the oblique top
Bar 42 is rectangular rod;Step through-hole of the bottom of the pellet 41 provided with left and right directions is referred to as placement hole 411;
Described core 3 is that core 3 is provided with slip positioned at the side of mould dynamic model 02, the steel model for moulded products 03
Dispose the pellet 41 groove be referred to as at resettlement groove 32, the inwall of resettlement groove 32 provided with straight up, lower face closure, top
Open groove is referred to as groove 31 of keeping straight on;
The pellet 41 is slidably disposed in the resettlement groove 32 of core 3, and the oblique slip in top of the angle ejector rod 42 is worn
Dynamic model support plate 021 and core 3 are crossed, the lower end of the angle ejector rod 42 is connected with the shoes 023 on top plate 022;The auxiliary He of push rod 1
Spring 2 is located in the placement hole 411 of slant-top core-pulling 4, and the spring 2 is located at the shoulder block 13 and described push away is held between 12,
Described lead holds 11 slips to contact in the straight trip groove 31 of core 3, described to push away end 12 and the pellet 41 of slant-top core-pulling 4
Shape face is flushed.
Operation principle and beneficial effect
During the demoulding, top plate 022 drives the oblique upward pushing tow product 03 of slant-top core-pulling 4, in the oblique disengaging product of slant-top core-pulling 4
When 03, first, straight trip is slided in 31 sections of the groove of straight trip in the end 11 of leading of auxiliary push rod 1, forces the end 12 that pushes away of auxiliary push rod 1 to stretch out institute
State the shape face of pellet 41, auxiliary top pushing product 03, make product 03 convex tendon 04 and back-off overcome cladding power and the pellet 41 and
Core 3, which produces to loosen, to be departed from;Auxiliary push rod 1 it is described lead end 11 row Bi Suoshu, 31 sections of grooves of straight trip after, it is described lead end 11 continue to
The inclined-plane of tactile core 3 is oblique to be slided upwards, and auxiliary push rod 1 progressively bounces back in the presence of spring 2 into pellet 41, described to push away end 12
Depart from the contact with product 03, product 03 is able to smoothly be stripped.
The present apparatus is simple in construction, reliable operation, makes the slant-top core-pulling of the injection mold of big cladding power product, improves effect
Rate, eliminate defective products, reduce cost.
Claims (1)
1. a kind of assisting demolding device of injection mould slanted core pulling, including auxiliary push rod (1), spring (2), core (3) and oblique top
Core pulling (4), it is characterised in that:Described auxiliary push rod (1) is cylinder step steel components, and auxiliary push rod (1) is provided with the one of sphere
End is referred to as leading end (11), and auxiliary push rod (1) is referred to as pushing away in end (12), auxiliary push rod (1) provided with one end with the identical shape face of product (03)
Part of the portion provided with flange step is referred to as shoulder block (13);
Described spring (2) is cylindroid helical-coil compression spring;
Described slant-top core-pulling (4) is steel components, and the top of slant-top core-pulling (4) is pellet (41), the pellet (41) it is upper
Face, one side are respectively equipped with the identical shape face of back-off, convex tendon (04) with product (03), and the bottom of slant-top core-pulling (4) is angle ejector rod
(42), the angle ejector rod (42) is rectangular rod;Step through-hole of the bottom of the pellet (41) provided with left and right directions is referred to as peace
Put hole (411);
Described core (3) is that core (3) is provided with positioned at mould dynamic model (02) side, the steel model for moulded products (03)
Slide the placement pellet (41) groove be referred to as at resettlement groove (32), resettlement groove (32) inwall provided with straight up, under
The groove that face closure, top are opened is referred to as straight trip groove (31);
The pellet (41) is slidably disposed in the resettlement groove (32) of core (3), the oblique cunning in top of the angle ejector rod (42)
Move through dynamic model support plate (021) and core (3), the lower end of the angle ejector rod (42) and the shoes (023) on top plate (022)
Connection;Auxiliary push rod (1) and spring (2) are located in the placement hole (411) of slant-top core-pulling (4), and the spring (2) is located at described
Shoulder block (13) and it is described push away between end (12), it is described lead end (11) and slide contact in the straight trip groove (31) of core (3), institute
State and push away end (12) and flushed with the shape face of the pellet (41) of slant-top core-pulling (4).
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN201710491909.5A CN107088994A (en) | 2017-06-13 | 2017-06-13 | A kind of assisting demolding device of injection mould slanted core pulling |
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CN201710491909.5A CN107088994A (en) | 2017-06-13 | 2017-06-13 | A kind of assisting demolding device of injection mould slanted core pulling |
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CN107088994A true CN107088994A (en) | 2017-08-25 |
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CN201710491909.5A Pending CN107088994A (en) | 2017-06-13 | 2017-06-13 | A kind of assisting demolding device of injection mould slanted core pulling |
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN112519146A (en) * | 2020-11-20 | 2021-03-19 | 上海良勤实业有限公司 | Injection mold convenient to drawing of patterns |
CN112936762A (en) * | 2021-01-11 | 2021-06-11 | 台州科技职业学院 | A push up device of loosing core to one side for supplementary drawing of patterns of injection mold |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN205395029U (en) * | 2016-02-29 | 2016-07-27 | 台州市黄岩坤泰模具有限公司 | Injection mold mechanism of loosing core in top to one side |
-
2017
- 2017-06-13 CN CN201710491909.5A patent/CN107088994A/en active Pending
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN205395029U (en) * | 2016-02-29 | 2016-07-27 | 台州市黄岩坤泰模具有限公司 | Injection mold mechanism of loosing core in top to one side |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN112519146A (en) * | 2020-11-20 | 2021-03-19 | 上海良勤实业有限公司 | Injection mold convenient to drawing of patterns |
CN112519146B (en) * | 2020-11-20 | 2022-09-13 | 上海良勤实业有限公司 | Injection mold convenient to drawing of patterns |
CN112936762A (en) * | 2021-01-11 | 2021-06-11 | 台州科技职业学院 | A push up device of loosing core to one side for supplementary drawing of patterns of injection mold |
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Application publication date: 20170825 |