CN207682859U - Injection mold ejection device mechanism - Google Patents

Injection mold ejection device mechanism Download PDF

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Publication number
CN207682859U
CN207682859U CN201721924300.4U CN201721924300U CN207682859U CN 207682859 U CN207682859 U CN 207682859U CN 201721924300 U CN201721924300 U CN 201721924300U CN 207682859 U CN207682859 U CN 207682859U
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China
Prior art keywords
top plate
plane
die ontology
shaped block
injection mold
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CN201721924300.4U
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Chinese (zh)
Inventor
虞伟炳
李金国
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ZHEJIANG SAIHAO INDUSTRIAL Co Ltd
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ZHEJIANG SAIHAO INDUSTRIAL Co Ltd
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Abstract

The utility model provides a kind of injection mold ejection device mechanism, belongs to injection mold technology.It solve it is existing how to stablize by technical problems such as product Double-ejections.This die ontology and can opposing mold ontology movement top plate, the cavity for being used to form product is provided on die ontology, the thimble for ejecting product is provided on top plate, it is characterized in that, jacking block is movably set in cavity, I-shaped block is provided between die ontology and top plate, skewed card slot is provided on I-shaped block, the connecting rod for being pierced by die ontology is connected on jacking block, the end sliding of connecting rod is connected on card slot, when top plate close to die ontology direction toward after moving one end distance, the first inclined-plane drives I-shaped block along top plate lateral sliding.The utility model product can be allowed to deviate from during both sides are deviate from portion faces stress is more average, ensure abjection product quality.

Description

Injection mold ejection device mechanism
Technical field
The utility model belongs to injection mold field, is related to a kind of injection mold ejection device mechanism.
Background technology
Plastic product used in our daily lives it is relatively broad, when producing most plastic products, lead to The Shooting Technique often utilized.The plastics of molten condition are injected into the cavity of mold using injection molding machine by Shooting Technique, cavity Structure it is identical as product structure, then plastics cooling rear mold finished in cavity recycles thimble that will produce by die sinking Product are ejected out of mold cavity.
When producing the more complicated plastic product of some partial structurtes, in order to ensure product is not easy out during demoulding The phenomenon that existing sticking to mould, it is in eject twice that can separate the complex position of product and other positions.
China's Patent Application Publication (notification number:CN205522349U;The day for announcing:2016.8.31 a kind of note is disclosed in) Mould secondary ejecting mechanism comprising moving platen, thimble panel are hinged with rotatable Double-ejection activity on thimble panel Block is connected with Double-ejection bar and thimble on movable block.When product stripping, thimble is moved with ejector retainner plate together first, Then the thimble contact by Double-ejection bar with moving platen again so that driving thimble is up moved relative to ejector retainner plate and then shape At Double-ejection.
All ejecting forces are generated by mandril in above-mentioned technical proposal, since the contact area of mandril and mold is smaller, top Bar is easy to form pit in die surface.
Invention content
The utility model existing above problem in view of the prior art, provides a kind of injection mold ejection device mechanism, Technical problem to be solved in the utility model is:How to stablize by product Double-ejection.
The purpose of this utility model can be realized by following technical proposal:
A kind of injection mold ejection device mechanism, including die ontology and can opposing mold ontology movement top plate, it is described It is provided with the cavity for being used to form product on die ontology, the thimble for ejecting product, feature are provided on the top plate It is, jacking block is movably set in the cavity, be provided with I-shaped block between the die ontology and top plate, on the I-shaped block It is provided with skewed card slot, the connecting rod for being pierced by die ontology is connected on the jacking block, the end sliding of connecting rod is connected to card On slot, when top plate close to die ontology direction toward after moving one end distance, the first inclined-plane driving I-shaped block is laterally slided along top plate It is dynamic.
During demoulding, top plate can drive thimble, connecting rod and jacking block to move together toward the movement that die ontology is drawn close, Jacking block jointly detaches the most area of product with die cavity with thimble at this time, is formed and is ejected for the first time.In the process, product It needs the area detached with cavity larger, and thimble and jacking block are also larger to product force area, and then ensures to push up for the first time It is smaller to receive pressure for product surface during going out, and stability under loading during product abjection, product is less prone to sticking to mould or abjection Situations such as insufficient, product will not be injured.
In top plate continues uphill process, after I-shaped block touches the first inclined-plane, by the driving I-shaped on the first inclined-plane The lateral displacement of the lateral displacement of block, I-shaped block makes connecting rod draw close movement relative to ejector retainner plate by inclined card slot, this Sample connecting rod drives jacking block relative to other thimble ends toward bottom offset so that jacking block is detached with product, and then the two of formation product Secondary ejection.In this way when designing mold, more complicated place on product can be designed on jacking block, can be allowed in this way During Double-ejection, jacking block surface is had an effect to be detached with product, and thimble at this time is the supporting role for playing position, in this way The product abjection part stress at jacking block position can be allowed more uniform, be not in the serious feelings of local pressure in thimble ejection Condition avoids product complex region from the case where demoulding damage occur.
Such secondary ejecting mechanism can allow product to deviate from portion faces stress more during both sides are deviate from It is average, ensure the product quality of abjection.And Double-ejection, structure only can be realized with the I-shaped block for tilting card slot by one Simply, operating is stablized.
In above-mentioned injection mold ejection device mechanism, the first guide pad, institute are fixedly connected on the die ontology The first inclined-plane is stated to be located on the first guide pad.First inclined-plane is arranged on the first guide pad, convenient for the processing to the first inclined-plane With adjustment, i.e. adjustable first inclined-plane directly is replaced to the first guide pad.
In above-mentioned injection mold ejection device mechanism, bottom plate is connected on the die ontology, the top plate is in mould It is moved between tool ontology and bottom plate, the second guide pad through top plate, second guide pad is fixedly connected on the bottom plate On be provided with the second inclined-plane for driving I-shaped block reset.When molding, jacking block is pushed mold by die ontology It is returned to original position, during return, connecting rod drives I-shaped block to move together, and top plate also can by the promotion of I-shaped block It is returned to original position.During I-shaped block return, until I-shaped block encounters the second inclined-plane of stationary state, pass through the second inclined-plane Guiding by I-shaped block sideways against to reset condition, convenient for Double-ejection next time.
In above-mentioned injection mold ejection device mechanism, first inclined-plane is mutually parallel with the second inclined-plane, works as I-shaped When block side is with the first contact of incline plane, the I-shaped block other side and the second contact of incline plane.First inclined-plane is collectively formed with the second inclined-plane Make I-shaped block in uphill process relative to the skewed channel of top plate lateral displacement, is convenient for I-shaped block in opposite top plate side in this way It keeps stablizing into displacement process.
In above-mentioned injection mold ejection device mechanism, be both provided on the I-shaped block for the first inclined-plane and The third inclined-plane of two inclined-planes cooperation.Third inclined-plane can increase the releasing area on I-shaped block and the first inclined-plane and the second inclined-plane, into And allow the first inclined-plane and the second inclined-plane that can obtain stable transmission to the strength of I-shaped block.
In above-mentioned injection mold ejection device mechanism, the straight line being bonded with top plate is set on second guide pad Portion.The straight line portion engaged with top plate on second guide pad can be formed with top plate to be engaged, and then guides doing for stability of cavern roof close Or the linear motion far from die ontology.
In above-mentioned injection mold ejection device mechanism, the card slot is T-slot.T-slot can be to the end of connecting rod Clamping structure is formed, connecting rod can be allowed to apply the power while I-shaped block along bar direction to it and be capable of the lateral position that opposite connecting rod is stablized It moves.
In above-mentioned injection mold ejection device mechanism, when jacking block is fastened in cavity and I-shaped block and top plate contradict When, there are gaps between top plate and bottom plate.It also has gap between bottom plate when top plate is in limit minimum point, in this way When movement of roof process external world iron filings are adhered on bottom plate top plate can be avoided directly to hit iron filings, top plate caused to damage Wound.
Compared with prior art, the utility model has the following advantages:
1, the power of Double-ejection can be allowed uniformly to deviate from product by jacking block, ensures the product quality of abjection, it will not There is phenomena such as sticking to mould.
2, can be with self-return for the I-shaped block of Double-ejection, ejecting structure operating is stablized, simple in structure, it is only necessary to one A power source.
Description of the drawings
Fig. 1 is the figure of the vertical view of the present embodiment mould bases.
Fig. 2 is the sectional perspective structure chart that the present embodiment removes die ontology.
Fig. 3 is the sectional view at A-A under the first ejection state in Fig. 1.
Fig. 4 is the sectional view at A-A under the second ejection state in Fig. 1.
Fig. 5 is the partial enlarged view at B in Fig. 3.
In figure, 11, mould bases;12, die ontology;13, cavity;14, bottom plate;15, gap;21, top plate;22, thimble;23、 Jacking block;24, connecting rod;31, I-shaped block;32, card slot;33, third inclined-plane;41, the first guide pad;42, the first inclined-plane;51, second Guide pad;52, the second inclined-plane;53, straight line portion.
Specific implementation mode
It is specific embodiment of the utility model and in conjunction with attached drawing below, the technical solution of the utility model is made further Description, but the utility model is not limited to these examples.
As shown in Figures 1 and 2, a kind of injection mold ejection device mechanism, including mould bases 11 are disposed on mould bases 11 Die ontology 12, top plate 21, bottom plate 14, die ontology 12 are provided with the cavity 13 for being used to form product, and bottom plate 14 is fixedly installed On mould bases 11, top plate 21 can do the movement close to or far from die ontology 12 between die ontology 12 and bottom plate 14. More thimbles 22 are equipped on top plate 21, thimble 22 runs through die ontology 12, when thimble 22 is located at minimum point, thimble 22 End flushed with 13 inner wall of cavity, when top plate 21 is moved near die ontology 12, the end of thimble 22 is pierced by 13 surface of cavity.
As shown in Fig. 3 and Fig. 5, cavity 13 is embedded with jacking block 23 above, and jacking block 23 can do separate fortune with respect to cavity 13 Dynamic, the upper surface of jacking block 23 is used to form 13 inner wall of cavity, and complex structure can be distributed in the upper table of jacking block 23 on product On face.The connecting rod 24 for being pierced by die ontology 12 is connected on jacking block 23,24 one end of connecting rod is fixedly connected with jacking block 23, connecting rod 24 The other end is connected with I-shaped block 31, and skewed card slot 32,32 structure in T shape of card slot are provided on I-shaped block 31.In I-shaped Between block 31 and top plate 21 in motion process, top plate 21 is contacted with 31 bottom of I-shaped block always.Top plate 21 is under the driving of external force It pushes connecting rod 24 that jacking block 23 is driven to rise by being contradicted with I-shaped block 31, so that product can demould, is formed primary Ejection.When die ontology 12 resets, die ontology 12 pushes 23 return of jacking block, the movement of jacking block 23 that can pass through company Bar 24 and I-shaped block 31 drive top plate 21 to be returned to die ontology 12 apart from farthest position.
The side of top plate 21 is provided with the first guide pad 41 on die ontology 12, on the side of the first guide pad 41 It is provided with the first inclined-plane 42.It is fixedly installed the second guide pad 51 on bottom plate 14, the second guide pad 51 runs through top plate 21, and second The top of guide pad 51 is provided with the second inclined-plane 52, and the first inclined-plane 42 is mutually parallel with the second inclined-plane 52, and the two, which is collectively formed, inclines Oblique channel.First guide pad 41 and the second guide pad 51 are for making I-shaped block 31 during vertical and straight movement along 21 side of top plate It is specific as follows to sliding.
As shown in figure 4, after one end distance that top plate 21 drives I-shaped block 31 to rise, the contact aside of I-shaped block 31 arrives Then first inclined-plane 42 coordinates the guiding on the second inclined-plane 52 by the first inclined-plane 42, I-shaped block 31 is in uphill process along top 21 surface lateral of plate is slided.For I-shaped block 31 during lateral sliding, skewed card slot 32 can drive 24 phase of connecting rod Downward movement is done for mandril so that jacking block 23 also relative to mandrel ends down, in such knockout course, jacking block 23 Double-ejection is realized with the product on mandril.
Until connecting rod 24 pushes I-shaped block 31, and then during so that top plate 21 is moved down, 31 side of I-shaped block is first The second inclined-plane 52 is touched, the guiding on the first inclined-plane 42 is coordinated by the second inclined-plane 52 so that I-shaped block 31 being capable of lateral displacement It is returned to original position, and then sidesway next time may be implemented.
Wherein, as shown in figure 5, being provided on the side wall of I-shaped block 31 opposite with the first inclined-plane 42 and 52 position of the second inclined-plane Third inclined-plane 33, third inclined-plane 33 and the first inclined-plane 42 and the second inclined-plane 52 cooperate, convenient for during contacting with each other The stable delivery of strength.Second guide pad, 51 section is rectangular, and includes straightway, top plate 21 and the second guide pad 51 above Straightway mutually contradict, 51 quantity of the second guide pad on each bottom plate 14 be it is multiple, and then top plate 21 can stablize it is upper Bottom offset.
It is as follows in the Double-ejection process of product stripping:As shown in figure 3, top plate 21 by extraneous power drive toward mold The movement that ontology 12 is drawn close can drive thimble 22, connecting rod 24 and jacking block 23 to move together, and jacking block 23 jointly will with thimble 22 at this time The most area of product is detached with die cavity, is formed and is ejected for the first time.Later, top plate 21 persistently rises, and I-shaped block 31 touches After first inclined-plane 42, by the lateral displacement of the driving I-shaped block 31 on the first inclined-plane 42, the lateral displacement of I-shaped block 31 passes through For inclined card slot 32 so that connecting rod 24 draws close movement relative to 22 plate of thimble, such connecting rod 24 drives jacking block 23 relative to other 22 end of thimble is toward bottom offset so that jacking block 23 is detached with product, and then forms the Double-ejection of product, as shown in Figure 4.
After product ejection finishes, die ontology 12 mutually closes up, and when closing up, jacking block 23 is by mold sheet The pressure of body 12 makes it engage in hollow chamber 13, and during this, the movement of jacking block 23, which synchronizes, to be made I-shaped block 31 push top plate 21 to return Position, I-shaped block 31 laterally return to original position along the guiding on the second inclined-plane 52.When jacking block 23 is properly latched in cavity 13 It waits, I-shaped block 31 pushes top plate 21 to minimum point, at this point, there are gaps 15 between top plate 21 and bottom plate 14, prevents top plate 21 straight It connects and overwhelms on bottom plate 14.
The specific embodiments described herein are merely examples of the spirit of the present invention.The utility model institute Belonging to those skilled in the art can make various modifications or additions to the described embodiments or using similar Mode substitute, but without departing from the spirit of the present application or beyond the scope of the appended claims.
Although 11, mould bases is used more herein;12, die ontology;13, cavity;14, bottom plate;15, gap;21, it pushes up Plate;22, thimble;23, jacking block;24, connecting rod;31, I-shaped block;32, card slot;33, third inclined-plane;41, the first guide pad;42, One inclined-plane;51, the second guide pad;52, the second inclined-plane;53, the terms such as straight line portion, but the possibility using other terms is not precluded Property.The use of these terms is merely for the convenience of describing and explaining the nature of the invention;It is construed as any The additional limitation of one kind is all contrary to the spirit of the present invention.

Claims (8)

1. a kind of injection mold ejection device mechanism, including die ontology (12) and can opposing mold ontology (12) movement top plate (21), it is provided with the cavity (13) for being used to form product on the die ontology (12), is provided with and is used on the top plate (21) The thimble (22) of ejecting product, which is characterized in that be movably set with jacking block (23), the die ontology in the cavity (13) (12) it is provided with I-shaped block (31) between top plate (21), skewed card slot (32), institute are provided on the I-shaped block (31) It states and is connected with the connecting rod (24) for being pierced by die ontology (12) on jacking block (23), the end sliding of connecting rod (24) is connected to card slot (32) On, it is provided with the first inclined-plane (42) on the die ontology (12), when top plate (21) is moved toward close to die ontology (12) direction After the distance of one end, the first inclined-plane (42) drive I-shaped block (31) along top plate (21) lateral sliding.
2. injection mold ejection device according to claim 1 mechanism, which is characterized in that solid on the die ontology (12) Surely it is connected with the first guide pad (41), first inclined-plane (42) is located on the first guide pad (41).
3. injection mold ejection device according to claim 1 mechanism, which is characterized in that connect on the die ontology (12) It is connected to bottom plate (14), the top plate (21) moves between die ontology (12) and bottom plate (14), fixed on the bottom plate (14) It is connected with the second guide pad (51) through top plate (21), is provided on second guide pad (51) for driving I-shaped block (31) the second inclined-plane (52) resetted.
4. injection mold ejection device according to claim 3 mechanism, which is characterized in that first inclined-plane (42) and the Two inclined-planes (52) are mutually parallel, when I-shaped block (31) side and the first inclined-plane (42) contact, I-shaped block (31) other side and the Two inclined-planes (52) contact.
5. injection mold ejection device according to claim 3 mechanism, which is characterized in that be all provided on the I-shaped block (31) It is equipped with the third inclined-plane (33) for coordinating with the first inclined-plane (42) and the second inclined-plane (52).
6. injection mold ejection device according to claim 3 mechanism, which is characterized in that on second guide pad (51) The straight line portion (53) being bonded with top plate (21) is set.
7. injection mold ejection device according to claim 1 mechanism, which is characterized in that the card slot (32) is T-slot.
8. injection mold ejection device according to claim 1 mechanism, which is characterized in that when jacking block (23) is fastened on cavity (13) in and when I-shaped block (31) is contradicted with top plate (21), there are gap (15) between top plate (21) and bottom plate (14).
CN201721924300.4U 2017-12-30 2017-12-30 Injection mold ejection device mechanism Active CN207682859U (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108556276A (en) * 2017-12-30 2018-09-21 浙江赛豪实业有限公司 A kind of secondary ejection mechanism for mold

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108556276A (en) * 2017-12-30 2018-09-21 浙江赛豪实业有限公司 A kind of secondary ejection mechanism for mold

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