CN207578979U - A kind of mold delay demolding mechanism - Google Patents
A kind of mold delay demolding mechanism Download PDFInfo
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- CN207578979U CN207578979U CN201721676131.7U CN201721676131U CN207578979U CN 207578979 U CN207578979 U CN 207578979U CN 201721676131 U CN201721676131 U CN 201721676131U CN 207578979 U CN207578979 U CN 207578979U
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- mold
- guide pillar
- sliding block
- inclined guide
- guide hole
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Abstract
The utility model provides a mold delay demolding mechanism, belongs to injection mold technology.It solves the technical problems such as existing delaying mould-release.This mold delay demolding mechanism includes the sliding block that mold includes being used to be mounted in lower die and taken out for side; component further includes the closing piece for being mounted in upper mold and for fixing slide position under molding state; fixed setting is useful for the inclined guide pillar that driving sliding block side is taken out on closing piece; the oblique guide hole passed through for inclined guide pillar is provided on sliding block; the internal diameter of oblique guide hole is more than the outer diameter of inclined guide pillar; when upper mold and lower die mold, there is the gap for moving a distance along die sinking direction in oblique guide hole for inclined guide pillar between inclined guide pillar outer wall and oblique guide hole inner wall.Existing gap can extract out slider delay when die sinking between the inclined guide pillar of the utility model and oblique guide hole, and overall structure is simple, with obvious effects, and production and processing cost is relatively low.
Description
Technical field
The utility model belongs to injection mold field, is related to a kind of mold delay demolding mechanism.
Background technology
Plastic products since its cost is relatively low, it is durable the advantages that be widely used in the production and living as people.
Wherein many plastic articles are produced using Shooting Technique, and Shooting Technique opens up and plastic article shape to be produced in injection mold
The consistent die cavity of shape, and injection mold is usually by two.When injection, injection mold is installed on injection molding machine, is being noted
Before modeling, mold is in molding state, and the plastics of molten condition are injected into the die cavity of mold by injection molding machine, and the plastics of melting exist
After being cooled and shaped in mold, injection mold is opened, and then the product for being molded completion can smoothly be deviate from.
During product is deviate from, the mold of two docking is mutually detached first, i.e., die cavity is opened, and product is first
It is to be adhesively fixed on the mold of side wherein, then product can be completed from ejection by the ejector pin mechanism on the side mold again
The demoulding of product.Present plastic product is mostly complicated, and the side of many products is both provided with pit or engraved structure,
This just needs to be provided with side-drawing mechanism in mold, and side-drawing mechanism includes a sliding block being inserted into die cavity, and sliding block exists
Fixation is locked up when being inserted into die cavity, during demoulding, driving and then pumping of the sliding block by driving forces such as extraneous oil cylinders
Go out, realize with the separation of product, product and then can smoothly extract out.In order to improve stripping rate, typically it is molded in mold
Between will be used for side pumping sliding block extraction, then product is deviate from again.But in order to increase the stabilization of product during demoulding
Property, it avoids product in the process of die sinking directly because being sticked on the die cavity of opposite mold, the skill of slider delay extraction may be used
Art, i.e., mold molds first, and then sliding block is extracted out again, and product abjection is allowed to stablize.
China's Patent Application Publication (notification number：CN204019810U；The day for announcing：2014.12.17) in disclose one kind and prolong
When mould emptier, including upper mold needle plate, mold and the lower mold set from top to bottom, set between upper mold needle plate and lower mold
First drag hook, and the second drag hook is provided on mold, mold can carry out relative motion with respect to upper mold ejector retainner plate.Upper mold top
The behavior insert for core pulling is provided on needle plate, will keep relatively solid between upper mold needle plate and lower mold by the first drag hook
It is fixed, and then give way and be fixed in die cavity in injection moulding process for insert.Mold and lower mold separation when demolished, are completed
The die sinking of product, while behavior insert is still fixed on above product, until the second drag hook on mold causes the first drag hook
After upper mold needle plate and lower mold separation, mold drives behavior insert to be extracted out from product again, and such behavior insert is just located
In the state of delay extraction.
Although above-mentioned technical proposal can realize that behavior insert is in die cavity using multiple drag hooks, upper mold needle plate etc.
It is in stable condition with delay extract out, complicated, cost is higher.
Invention content
The utility model provides a kind of mold delay demolding mechanism, this reality for the above problem existing for existing technology
It is with the novel technical purpose to be realized：The delay that product is stablized is deviate from using relatively simple mould structure.
The purpose of this utility model can be realized by following technical proposal：
A kind of mold delay demolding mechanism, mold include mutually closing up the upper mold and lower die with separating, and component includes using
In the sliding block taken out in lower die and for side, which is characterized in that component further includes to be mounted in upper mold and be used for
The closing piece of slide position is fixed under molding state, is fixedly installed on the closing piece and is useful for the inclined guide pillar that driving sliding block side is taken out, institute
State the oblique guide hole for being provided on sliding block and being passed through for inclined guide pillar, the internal diameter of the oblique guide hole is more than the outer diameter of inclined guide pillar, when upper mold with
Exist when lower die molds, between inclined guide pillar outer wall and oblique guide hole inner wall and move one section along die sinking direction in oblique guide hole for inclined guide pillar
The gap of distance.
The structure of closing piece and sliding block can be ensured that when molding, sliding block keeps stablizing, will not be by mould cavity pressure
Influence and generate deformation, influence product quality, realize product stablize injection premise.And on closing piece on inclined guide pillar and sliding block
The structure of oblique guide hole can be when die sinking, and inclined guide pillar can take out displacement with movable slider side and realize core pulling.Inclined guide pillar is with tiltedly leading
Gap between hole can allow closing piece leave sliding block one end distance and sliding block remain stationary as, and then die sinking when, upper mold with
Lower die detaches, and sliding block still stops in situ so that product is still stuck in above lower die, until upper mold and lower die separate one
After segment distance, inclined guide pillar is bonded with oblique guide hole inner wall, and upper mold continues to rise, and inclined guide pillar can drive sliding block past by oblique guide hole
It takes out in outside.And when molding, inclined guide pillar can be also slided into movable slider in original position.On the one hand it ensure that sliding block can
Free side is taken out and return, and stable structure when mold, and ensure that the steady production of product, another aspect inclined guide pillar with
Existing gap can extract out slider delay when die sinking between oblique guide hole, in this way, overall structure is simple, it is with obvious effects,
It is relatively low to produce and process cost.
In above-mentioned mold delay demolding mechanism, be both provided with inclined-plane on the sliding block, the closing piece by with inclined-plane
Conflict realize positioning to sliding block.With the molding of upper mold and lower die, closing piece is formed perpendicular to the glide direction of sliding block and is squeezed
Power so contradict when on sliding block, ramp structure can allow closing piece to generate the extruding along sliding block glide direction on sliding block
Power, and then sliding block is remained fixed in lower die, it avoids in injection moulding process because the pressure in die cavity in turn results in sliding block loosening,
Influence product quality.This clamping structure is relatively simple, and clamping directly can be realized in closing piece with shoe contact.
In above-mentioned mold delay demolding mechanism, on the inclined-plane of the closing piece on be provided with for inclined-plane against it is resistance to
Abrading block, the angle of inclination of wear-resistant block are consistent with inclined-plane.Wear-resistant block can increase closing piece and the closing piece surface during shoe contact
Structural strength, increase service life, while also allow for repairing a die.Mutual angle of inclination can unanimously increase the contact of the two
The transmission of strength is stablized in face.
In above-mentioned mold delay demolding mechanism, adjusting screw, the end of the adjusting screw are equipped in the closing piece
Portion is threaded on the inclined guide pillar.Inclined guide pillar can be fixed on closing piece by adjusting screw, convenient for inclined guide pillar installation with
Dismounting, while it is also convenient for adjusting the position of inclined guide pillar.
In above-mentioned mold delay demolding mechanism, when upper mold and lower die molding, inclined guide pillar outer wall and oblique guide hole inner wall
Between gap move at least 15mm along die sinking direction for inclined guide pillar oblique guide hole relatively.The distance of rising is limited to except 15mm
It can at least ensure that upper mold is sufficiently separated with the product in lower die when die sinking.
Compared with prior art, the utility model has the following advantages：
1st, overall structure is simple, production cost is relatively low.
2nd, delay effect is stablized, and whole controllability is strong.
Description of the drawings
Fig. 1 is broken section structure chart under the present embodiment molding state.
Fig. 2 is that the present embodiment is molded to the broken section structure chart under inclined guide pillar and oblique guide hole conflict state.
In figure, 1, sliding block；11st, oblique guide hole；12nd, gap；2nd, closing piece；21st, inclined guide pillar；22nd, adjusting screw；3rd, inclined-plane；31、
Wear-resistant block.
Specific embodiment
It is specific embodiment of the utility model and with reference to attached drawing below, the technical solution of the utility model is made further
Description, but the utility model is not limited to these embodiments.
A kind of mold delay demolding mechanism, mold include mutually closing up the upper mold and lower die with separating, upper die and lower die point
Injection molding machine Yong Yu be fixed on, during production, upper mold does the linear motion closed up with separating respectively with lower die, upper
Die cavity is respectively arranged in mould and lower die, die cavity can form the shape of product by mutually closing up.Component includes being mounted on down
On mould and for the sliding block 1 that side is taken out, be provided with the slideway slided for sliding block 1 in lower die, sliding block 1 can along slideway slip and then
Side is completed to take out.When upper mold and lower die mold, the side of sliding block 1 is inserted into mold cavity and then forms the interior of die cavity
Wall.
As shown in Figure 1, component further includes the closing piece 2 for being fixed at upper mold, inclined inclined-plane outward is provided on sliding block 1
3, wear-resistant block 31 is provided on 2 surface of closing piece, wear-resistant block 31 is fixed by screws on closing piece 2, the inclination journey of wear-resistant block 31
Degree is consistent with the inclined degree on inclined-plane 3.When upper mold and lower die mold, the wear-resistant block 31 on closing piece 2 is contradicted in sliding block 1
On inclined-plane 3, the two mutually squeezes.Extruding force on injection molding machine is transmitted to by upper mold and closing piece 2 on the inclined-plane 3 of sliding block, inclined-plane 3
Extruding force can be changed into the pressure squeezed inside, and then closing piece 2 can lock sliding block 1 in molding, avoid sliding block 1
It is shifted in injection.
As shown in Fig. 2, being provided with inclined guide pillar 21 on closing piece 2, it is provided on sliding block 1 for the perforative oblique guide hole of inclined guide pillar 21
11, oblique guide hole 11 is consistent with the inclined direction of inclined guide pillar 21.By the cooperation of inclined guide pillar 21 and oblique guide hole 11, mold die sinking with
When molding, closing piece 2 drive inclined guide pillar 21 perpendicular to lower die move, and inclined guide pillar 21 realized on slideway with movable slider 1 it is past
Side pumped interior or outward moves.Wherein, the aperture of oblique guide hole 11 is greater than the diameter of inclined guide pillar 21, when upper mold and lower die mold
When, there are gaps 12 between inclined guide pillar 21 and tiltedly guide hole 11.So that upper mold and lower die at least separating distance be a when
It waits, 21 ability of inclined guide pillar is contacted with the rising of upper mold with oblique 11 inner wall of guide hole, and a is more than or equal to 15mm.
Wherein, the adjusting screw 22 consistent with 21 inclined direction of inclined guide pillar, adjusting screw 22 and lock are equipped on closing piece 2
2 thread fitting of block, and then realize that adjusting screw 22 is fixed in the position of closing piece 2.The screw rod end of adjusting screw 22 is penetrated to oblique
The top of guide post 21, and then realize that the position between adjusting screw 22 and inclined guide pillar 21 is fixed, by the connection of adjusting screw 22, tiltedly
Guide post 21 can be fixed on closing piece 2.It only needs adjusting screw 22 being screwed into when inclined guide pillar 21 installed or dismantled
Or extraction, replace convenience more.Simultaneously adjusting screw 22 can also be adjusted on closing piece 2 by rotating
Position, and then realize adjust inclined guide pillar 21 relative to closing piece 2 position, it is simple in structure, adjust get up it is more convenient.
As shown in Figures 1 and 2, the course of work of the mold delay demolding mechanism is as follows：When upper mold and lower die are in molding
When state, closing piece 2 squeezes sliding block 1 by inclined-plane 3 and remains fixed.After injection is completed in mold, injection molding machine drives
Both upper mold and lower die are separated from each other.When just starting to separate, inclined guide pillar 21 is movable in oblique guide hole 11, and sliding block 1 is protected
Hold it is motionless, due to the clamping structure of product in sliding block 1 and die cavity so that product is relatively stable to be fixed in lower die, and product
It is detached with the die cavity of upper mold.Until upper mold and lower die separation distance are after a, inclined guide pillar 21 is contacted with oblique guide hole 11, upper mold
Continue to move outward far from active belt movable slider 1, the side of last sliding block 1 in advance is taken out, and sliding block 1 is detached with product, and product can lead to
Ejecting mechanism is crossed to detach with lower die.Product during abjection by sliding block 1 delay extraction can be detached with die face it is relatively stable,
It is less prone to mold sticking.
After product abjection finishes, injection molding machine driving upper mold and lower die are close to each other, and inclined guide pillar 21 is by oblique at this time
Again inside, last closing piece 2 is bonded to each other extruding to band movable slider 1 to guide hole 11 with the inclined-plane 3 on closing piece 2, finally pushes back sliding block 1
In situ, and then upper mold molds successfully with lower die, product being capable of injection molding again.
The specific embodiments described herein are merely examples of the spirit of the present invention.The utility model institute
Described specific embodiment can be done various modifications or additions or using similar by belonging to those skilled in the art
Mode substitute, but without departing from the spirit of the present application or beyond the scope of the appended claims.
Although 1, sliding block is used more herein；11st, oblique guide hole；12nd, gap；2nd, closing piece；21st, inclined guide pillar；22nd, it adjusts
Screw；3rd, inclined-plane；31st, the terms such as wear-resistant block, but it does not preclude the possibility of using other terms.It is only using these terms
In order to more easily describe and explain the essence of the utility model；Being construed as any one of the additional limitations is all and this
Utility model spirit is disagreed.
Claims (5)
1. a kind of mold delay demolding mechanism, mold includes mutually closing up the upper mold and lower die with separating, and component includes being used for
The sliding block (1) taken out in lower die and for side, which is characterized in that component further includes to be mounted in upper mold and be used for
The closing piece (2) of sliding block (1) position is fixed under molding state, is fixedly installed on the closing piece (2) and is useful for driving sliding block (1) side pumping
Inclined guide pillar (21), be provided with the oblique guide hole (11) passed through for inclined guide pillar (21) on the sliding block (1), the oblique guide hole (11)
Internal diameter is more than the outer diameter of inclined guide pillar (21), when upper mold and lower die mold, inclined guide pillar (21) outer wall and oblique guide hole (11) inner wall it
Between there is the gap (12) for moving a distance in the oblique guide hole (11) along die sinking direction for inclined guide pillar (21).
2. mold delay demolding mechanism according to claim 1, which is characterized in that be provided with inclined-plane on the sliding block (1)
(3), the closing piece (2) realizes the positioning to sliding block (1) by the conflict with inclined-plane (3).
3. mold delay demolding mechanism according to claim 2, which is characterized in that be provided with and be used on the closing piece (2)
With inclined-plane (3) against wear-resistant block (31), the angle of inclination of wear-resistant block (31) is consistent with inclined-plane (3).
4. mold delay demolding mechanism according to claim 1, which is characterized in that be equipped with adjusting in the closing piece (2)
Screw (22), the end thread of the adjusting screw (22) are connected on the inclined guide pillar (21).
5. mold delay demolding mechanism according to any one of claims 1 to 4, which is characterized in that when upper mold and lower die
During molding, the gap (12) between inclined guide pillar (21) outer wall and oblique guide hole (11) inner wall is for the relatively oblique guide hole (11) of inclined guide pillar (21)
At least 15mm is moved along die sinking direction.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721676131.7U CN207578979U (en) | 2017-12-05 | 2017-12-05 | A kind of mold delay demolding mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721676131.7U CN207578979U (en) | 2017-12-05 | 2017-12-05 | A kind of mold delay demolding mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207578979U true CN207578979U (en) | 2018-07-06 |
Family
ID=62735859
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721676131.7U Active CN207578979U (en) | 2017-12-05 | 2017-12-05 | A kind of mold delay demolding mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207578979U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110435092A (en) * | 2019-07-26 | 2019-11-12 | 宁波帅特龙集团有限公司 | Form the slide block mechanism, side shaping mechanism and injection mold of incorgruous pore structure |
| CN110450360A (en) * | 2019-08-27 | 2019-11-15 | 浙江日成模具有限公司 | A kind of injection mold |
-
2017
- 2017-12-05 CN CN201721676131.7U patent/CN207578979U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110435092A (en) * | 2019-07-26 | 2019-11-12 | 宁波帅特龙集团有限公司 | Form the slide block mechanism, side shaping mechanism and injection mold of incorgruous pore structure |
| CN110450360A (en) * | 2019-08-27 | 2019-11-15 | 浙江日成模具有限公司 | A kind of injection mold |
| CN110450360B (en) * | 2019-08-27 | 2021-07-09 | 浙江日成模具有限公司 | Injection mold |
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