CN109352929A - A kind of injection mold ejecting structure - Google Patents
A kind of injection mold ejecting structure Download PDFInfo
- Publication number
- CN109352929A CN109352929A CN201811247270.7A CN201811247270A CN109352929A CN 109352929 A CN109352929 A CN 109352929A CN 201811247270 A CN201811247270 A CN 201811247270A CN 109352929 A CN109352929 A CN 109352929A
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- CN
- China
- Prior art keywords
- thimble
- ejector retainner
- retainner plate
- mandril
- plate
- 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.)
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- 238000002347 injection Methods 0.000 title claims abstract description 21
- 239000007924 injection Substances 0.000 title claims abstract description 21
- 230000033001 locomotion Effects 0.000 claims abstract description 13
- 239000000047 product Substances 0.000 description 51
- 230000000694 effects Effects 0.000 description 4
- 230000005489 elastic deformation Effects 0.000 description 4
- 238000000605 extraction Methods 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 1
- 230000003139 buffering effect Effects 0.000 description 1
- 239000006227 byproduct Substances 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000009738 saturating Methods 0.000 description 1
- 238000004904 shortening Methods 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
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
- B29C45/401—Ejector pin constructions or mountings
Landscapes
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Mechanical Engineering (AREA)
- Moulds For Moulding Plastics Or The Like (AREA)
Abstract
The invention discloses a kind of injection mold ejecting structures, the ejecting structure includes the first ejector retainner plate, the second ejector retainner plate, the first push rod component and further respectively has the second ejecting structure positioned at the two sides of the first push rod component, second ejecting structure is connect by push rod with ejector pin component, and the ejector pin component includes guide cylinder and the second thimble for being installed in guide cylinder one end and being connected to guide cylinder；The head of the thimble is uniformly provided with multiple air holes；First ejector retainner plate and the second ejector retainner plate do straight reciprocating motion, first push rod component and the second ejecting structure and the second ejector retainner plate between bottom plate and support plate under the drive of the drive and the second ejector retainner plate moves synchronously and the second mandril passes through push rod and does piston motion in guide cylinder.The injection mold ejecting structure, can alleviate the pressure on thimble, extend the service life of thimble.
Description
Technical field
The present invention relates to a kind of mold more particularly to a kind of injection mold ejecting structures.
Background technique
Product is opened after completing a forming period, and product can be wrapped in one side of mold, it is necessary to take it from mold
Get off.This work must be completed by ejection system, it is important component in whole set of die structure.The ejecting structure of mold
Interior includes elongated thimble, ejects the injecting products in mold by thimble, but bears on thimble during ejection
Pressure it is larger, for a long time, thimble is easily damaged, and service life is shorter, causes production efficiency not high.
Summary of the invention
In order to solve the problems in the existing technology, the present invention provides a kind of injection mold ejecting structures, by product
The pressure on thimble can be reduced while ejection, extend the service life of thimble, and thimble is made to be easy to extract.
A kind of injection mold ejecting structure, including the second ejector retainner plate, the second ejector retainner plate and the first push rod component；Described
Two ejector retainner plates and the second ejector retainner plate are mounted between the bottom plate and support plate of mold dynamic model, and second ejector retainner plate is located at the first top
The bottom of needle plate；The bottom plate is equipped with driving device；The telescopic end of the driving device is connect with the bottom of the second ejector retainner plate,
For driving the first ejector retainner plate and the second ejector retainner plate to move back and forth between bottom plate and support plate；It is opened in the moving template of mold dynamic model
Equipped with product accommodating chamber；
First push rod component includes the first mandril, first support bar and the first locking member；The one of first mandril
End is equipped with the first thimble, and the head of first thimble is in contact with the ejecting cap of product accommodating chamber bottom；First mandril
Lower end be equipped with first connecting portion；First mandril is connected by the upper end of first connecting portion and first support bar；Described
The lower end of one support rod is assemblied in the first locking member, first locking member be embedded in the second ejector retainner plate and with the second thimble
Plate is detachably connected；
The two sides of first mandril further respectively have one or more second ejecting structures；Each second ejection knot
Structure includes the second mandril and ejector pin component, and the upper end of second mandril is equipped with push rod, and the second mandril passes through push rod and thimble group
Part connection；
The ejector pin component includes guide cylinder and the second thimble, second thimble be installed in the upper end of guide cylinder and with lead
It is connected to cylinder；The head of second thimble is uniformly provided with multiple air holes；The head of second thimble and product accommodate
The ejecting cap in bottom of chamber portion is in contact；Under the drive of the drive, second mandril and the first ejector retainner plate and the second ejector retainner plate
It moves synchronously and the second mandril passes through push rod and does piston motion in guide cylinder；The first thimble is run through in the lower end of second mandril
Plate is connect with the third locking member being embedded in the second ejector retainner plate, and the third locking member is assemblied in two ejector retainner plates；It is described to push away
The outside of bar is also arranged with elastic component, and one end of the elastic component is against on the second mandril, and the other end is against in ejector pin component；
Under the drive of the drive, the first ejector retainner plate and the second ejector retainner plate move back and forth between bottom plate and support plate,
The product in product accommodating chamber is ejected by the first push rod component and the second ejecting structure.
Further, the lower end of second mandril is threadedly coupled with third locking member, and the third locking member passes through the
The third pilot hole opened up on two ejector retainner plates is threadedly coupled with the second ejector retainner plate.
Further, the head of the push rod is equipped with piston and the head of the push rod is assemblied in guiding together with piston
In cylinder, the surrounding of the piston is bonded with guide cylinder inner tight.
Further, one end that the guide cylinder is connect with push rod is equipped with cover, and the cover is threadedly coupled with guide cylinder,
The head of the push rod is assemblied in guide cylinder through cover together with piston；The other end of the elastic component is against cover
On.
Further, the guide cylinder is embedded in support plate, and second thimble includes multiple and is evenly arranged on guide cylinder
On, the head of second thimble upwardly extends and elongated end is in contact with the ejecting cap of product accommodating chamber bottom；Described second
Thimble is connected to by the through-hole that the second thimble end opens up with guide cylinder.
Further, the push rod is integrated with the second mandril；The diameter of second mandril is greater than push rod
Diameter；One end of the elastic component is against on the second mandril, and the other end is against on cover.
Further, first locking member is embedded by the first pilot hole being provided on the second ejector retainner plate on the second top
It is threadedly coupled in needle plate and with the second ejector retainner plate；The first support bar is embedded between the first ejector retainner plate and the second ejector retainner plate.
Further, the lower end of the first support bar is embedded in the first locking member and connects with the first locking member screw thread
It connects, the upper end of first support bar passes through the key connection of the first strip projected parts and the first mandril that open up in second connecting portion.
Further, second support bar is additionally provided on the bottom plate, the lower end of the second support bar is embedded in bottom plate
And connect by the second locking member with base thread, the outside of bottom is extended in the upper end of the second support bar and elongated end is opened
Equipped with the second strip projected parts, lower one end of first locking member offers indent knot compatible with the second strip bulge-structure
Structure；Second ejector retainner plate under the action of driving device towards bottom plate direction move when, the lower end of first locking member with
The upper-end contact of second support bar and by the second strip projected parts be keyed.
Further, elastic buffer block is equipped on first thimble and the second thimble；Each elastic buffer block
It is detachably connected with the first thimble and the second thimble；It is offered in the elastic buffer block and the first thimble and the second thimble knot
The compatible through-hole of structure, the head of the thimble are embedded in the through-hole of elastic buffer block；The height of the elastic buffer block with
Support plate is equidistant to product accommodating chamber bottom.
The utility model has the advantages that compared with prior art, the present invention provides a kind of injection mold ejecting structure, the ejecting structures
Including the first push rod component and the second ejecting structure, the first mandril in first push rod component is connected to first support bar
Together, it is assemblied in the first locking member, is in contact by the first thimble with the ejecting cap of product accommodating chamber bottom；Second top
Structure includes the second mandril and ejector pin component out, and second mandril passes through the second thimble and product accommodating chamber in ejector pin component
The ejecting cap of bottom is in contact；Multiple air holes that the head of second thimble uniformly opens up；First mandril and the second mandril
Moved synchronously with the first ejector retainner plate and the second ejector retainner plate；First mandril synchronizes upwards with the first ejector retainner plate and the second ejector retainner plate
When movement, the product in product accommodating chamber is jacked up by the first thimble；When the second mandril as the first ejector retainner plate and second push up
The second mandril does piston motion by push rod in guide cylinder when needle plate moves synchronously, and the compressed air in guide cylinder is passed through saturating
Stomata discharge, convenient for the ejection of product, and thimble extraction is easier to, not easy damaged thimble；It is pushed up by the first push rod component and second
The design of structure out, be on the one hand capable of multi-point applies active force when ejection to the product in product accommodating chamber, will
Product ejection；On the other hand, active force when can eject product is shared, and is reduced the pressure on single thimble, is avoided thimble
It is damaged in ejection, extends the service life of thimble.
In addition to this, by the effect of elastic component, when the second mandril is with the first ejector retainner plate and the synchronous fortune of the second ejector retainner plate
Dynamic and the first mandril is labored in guide cylinder upwards by push rod fills in movement, and the compressed air in guide cylinder is passed through air hole and is arranged
Out, at the same time, elastic component is compressed, and elastic deformation occurs, after product is ejected, under the action of elastic force, and elasticity
Part is gradually recovered deformation, and drive push rod moved downward in guide cylinder under the action of driving device with the first ejector retainner plate and
Second ejector retainner plate is resetted.
Detailed description of the invention
In order to illustrate more clearly of technical solution of the present invention, attached drawing needed in embodiment will be made below
Simply introduce, it should be apparent that, the accompanying drawings in the following description is only some embodiments of the present invention, general for this field
For logical technical staff, without creative efforts, it is also possible to obtain other drawings based on these drawings.
Fig. 1 is a kind of structural schematic diagram of injection mold ejecting structure described in the embodiment of the present invention；
Fig. 2 is the partial enlarged view in the portion B in Fig. 1；
Fig. 3 is the partial enlarged view in the portion A in Fig. 1；
Fig. 4 is the top view of ejector pin component described in the embodiment of the present invention.
In figure: 1- bottom plate, 2- support plate, 3- moving template, 4- support block, the second ejector retainner plate of 5-, the second ejector retainner plate of 6-, 7- product
Accommodating chamber, 8- driving device, the first mandril of 9-, 901- push rod, 901- first connecting portion, 10- ejector pin component, 101- guide cylinder,
The second thimble of 102-, 103- air hole, 104- piston, 105- cover, 11- first support bar, 111- second connecting portion, 112-
One strip projected parts, 12- second support bar, the second strip projected parts of 121-, the first locking member of 13-, 131- concave inward structure, 14- first
Pilot hole, the second mandril of 15-, 1501- push rod, the second locking member of 16-, the second pilot hole of 17-, 18- elastic buffer block, 19- bullet
Property part, 20- third locking member, 21- third pilot hole, the second thimble of 22-.
Specific embodiment
In the description of the present invention, it is to be understood that, term " center ", "upper", "lower", "front", "rear", " left side ",
The orientation or positional relationship of the instructions such as " right side ", "vertical", "horizontal", "top", "bottom", "inner", "outside" is based on the figure
Orientation or positional relationship is merely for convenience of description of the present invention and simplification of the description, rather than the device of indication or suggestion meaning or
Element must have a particular orientation, be constructed and operated in a specific orientation, therefore be not considered as limiting the invention.
Term " first ", " second " be used for descriptive purposes only and cannot be understood as indicating or suggesting relative importance or
Implicitly indicate the quantity of indicated technical characteristic." first " is defined as a result, the feature of " second " can be expressed or imply
Ground includes one or more of the features.In the description of the present invention, unless otherwise indicated, the meaning of " plurality " is two or
It is more than two.
The present invention is further elaborated with reference to the accompanying drawings and examples.
Embodiment
Referring to figs. 1 to Fig. 4, a kind of injection mold ejecting structure, including the first ejector retainner plate 5, the second ejector retainner plate 6 and first
Push rod component；First ejector retainner plate 5 and the second ejector retainner plate 6 are mounted between the bottom plate 1 of mold dynamic model and support plate 2, described
Second ejector retainner plate 6 is located at the bottom of the first ejector retainner plate 5；The bottom plate 1 is equipped with driving device 8；The driving device 8 is stretched
End connect with the bottom of the second ejector retainner plate 6, be used for the first ejector retainner plate 5 of driving and the second ejector retainner plate 6 bottom plate 1 and support plate 2 it
Between do straight reciprocating motion；Product accommodating chamber 7 is offered in the moving template 3 of the mold dynamic model；
First push rod component includes the first mandril 9, first support bar 11 and the first locking member 13；First mandril
9 upper end is equipped with the first thimble, and the ejecting cap of 7 bottom of product accommodating chamber on the head and dynamic model of first thimble is in contact；
The lower end of first mandril 9 is equipped with first connecting portion 901；First mandril 9 passes through first connecting portion 901 and the first support
The upper end of bar 11 connects；The lower end of the first support bar 11 is assemblied in the first locking member 13；First locking member 13 is embedding
It is located in the second ejector retainner plate 6 and is detachably connected with the second ejector retainner plate 6；
The two sides of first mandril 9 further respectively have one or more second ejecting structures；Each second ejection
Structure includes the second mandril 15 and ejector pin component 10, and the upper end of second mandril 15 is equipped with push rod 1501, and the second mandril 15 is logical
Push rod 1501 is crossed to connect with ejector pin component 10；
The ejector pin component 10 includes guide cylinder 101 and the second thimble 102, and second thimble 102 is installed in guide cylinder
It 101 upper end and is connected to guide cylinder 101；The head of second thimble 102 is uniformly provided with multiple air holes 103；It is described
The head of second thimble 102 is in contact with the ejecting cap of 7 bottom of product accommodating chamber；Under the driving of driving device 8, described second
Mandril 15 and the first ejector retainner plate 5 and the second ejector retainner plate 6 move synchronously and the second mandril 15 passes through push rod 1501 in guide cylinder 101
Do piston motion；It is locked through the first ejector retainner plate 5 with the third being embedded in the second ejector retainner plate 6 lower end of second mandril 15
Part 20 is threadedly coupled, and the third locking member 20 is assemblied in the second top by the third pilot hole 21 opened up on the second ejector retainner plate 6
It is threadedly coupled in needle plate 6 and with the second ejector retainner plate 6；The outside of the push rod 1501 is also arranged with elastic component 19, the elastic component
19 one end is against on the second mandril 15, and the other end is against in ejector pin component 10.
Under the driving of driving device 8, the first ejector retainner plate 5 and the second ejector retainner plate 6 are reciprocal between bottom plate 1 and support plate 2
Movement is ejected the product in product accommodating chamber 7 by the first push rod component and the second ejecting structure.
It should be noted that the driving device 8 includes telescopic cylinder referring to figs. 1 to Fig. 4, the telescopic cylinder is fixed
On bottom plate 1, the telescopic end of the telescopic cylinder is fixed on the bottom of the second ejector retainner plate 6, drives the first ejector retainner plate 5 and the second top
Needle plate 6 moves in a straight line between bottom plate 1 and support plate 2, when the first mandril 9 as the first ejector retainner plate 5 and the second ejector retainner plate 6 are same
Step jacks up the ejecting cap of product accommodating chamber bottom when moving upwards, by the first thimble, and then by the production in product accommodating chamber
Product jack up, and before this, ejecting cap is concordant with 7 bottom of product accommodating chamber, when product being avoided to be molded, is molded reserving for liquid；When
Two mandrils 15 with the first ejector retainner plate 5 and the second ejector retainner plate 6 synchronize move upwards and jack up the ejecting cap of product accommodating chamber bottom
Give product one upward active force, then, the second mandril 15 continues up fortune with the first ejector retainner plate 5 and the second ejector retainner plate 6
It is dynamic, at this point, the second mandril 15 is existed by push rod 1501 since the restricted guidance cylinder 101 of moving template 3 cannot be further continued for moving upwards
Piston motion is done in guide cylinder 101, the compressed air in guide cylinder 101 is discharged by air hole 103, convenient for the top of product
Out, and the extraction of the second thimble 102 is easier to, not easy damaged thimble；In addition to this, by the effect of elastic component 19, when the second mandril
15 with the first ejector retainner plate 5 and the second ejector retainner plate 6 move synchronously and the second mandril 15 by push rod 1501 in guide cylinder 101 to
On do piston motion, the compressed air in guide cylinder 101 is discharged by air hole 103, at the same time, elastic component 19 is pressed
Elastic deformation occurs for contracting, and after ejecting product, under the action of elastic force, elastic component 19 is gradually recovered deformation, and drives and push away
Bar 1501 moved downward in guide cylinder 101 under the action of driving device 8 with the first ejector retainner plate 5 and the second ejector retainner plate 6 into
Row resets, the preferred spring of elastic component 19 described in the present embodiment.
Further, with reference to Fig. 2, the head of the push rod 1501 is equipped with piston 104 and the head of the push rod 1501 is embedding
It is located in piston 104 and is assemblied in guide cylinder 101 together with piston 104, in the surrounding and guide cylinder 101 of the piston 104
Portion fits closely, convenient for the compressed air discharge in guide cylinder 101.
Further, with reference to Fig. 2, one end that the guide cylinder 101 is connect with push rod 1501 is equipped with cover 105, the cylinder
Lid 105 is threadedly coupled with guide cylinder 101, and the head of the push rod 1501, which is assemblied in through cover 105 together with piston 104, leads
Into cylinder 101；The other end of the elastic component 19 is against on cover 105.
Further, with reference to Fig. 1 and Fig. 3, the guide cylinder 101 is embedded in support plate 2, and second thimble 102 wraps
It includes multiple and is evenly arranged on guide cylinder 101, for shortening the length of thimble, share the pressure on single elongated thimble, that is, reduce
Pressure on single thimble, and then prolong its service life；The head of second thimble 102 upwardly extends and elongated end and production
The ejecting cap of 7 bottom of product accommodating chamber is in contact；Second thimble 102 (is being schemed by the through-hole that 102 end of the second thimble opens up
In do not mark) be connected to guide cylinder 101, the discharge for compressed air.
Further, with reference to Fig. 1, the push rod 1501 is integrated with the second mandril 15；Second mandril 15
Diameter be greater than push rod 1501 diameter；One end of the elastic component 19 is against on the second mandril 15, and the other end is against cover 105
On.
Further, with reference to Fig. 2, first locking member 13 passes through the first pilot hole for being provided on the second ejector retainner plate 6
14 are embedded in the second ejector retainner plate 6 and are threadedly coupled with the second ejector retainner plate 6, can be to the first mandril 9 by the first locking member 13
Play the role of supporting and fixing, in addition to this, by adjusting the first locking member 13 in the position of the first pilot hole 14, can adjust
The height of whole first mandril 9；The first support bar 11 is embedded between the first ejector retainner plate 5 and the second ejector retainner plate 6, for connecting
First mandril 9 and the first locking member 13.
Further, with reference to Fig. 1 and Fig. 2, the lower end of the first support bar 11 be embedded in the first locking member 13 and with
First locking member 13 is threadedly coupled, and the upper end of first support bar 11 passes through the first strip projected parts opened up in second connecting portion 111
112 and first mandril 9 first connecting portion 901 away from ejector pin component 10 one end open up with 112 structure of the first strip projected parts
Compatible keyway key connection.
Further, with reference to Fig. 1 and Fig. 2, second support bar 12 is additionally provided on bottom plate 1, under the second support bar 12
End is embedded in bottom plate 1 and is threadedly coupled by the second locking member 16 with bottom plate 1, and the upper end of the second support bar 12 is extended
The outside of bottom 1 and elongated end offers the second strip projected parts 121, the lower end of first locking member 13 offers and Article 2
The compatible concave inward structure 131 of shape 121 structures of protrusion；Second ejector retainner plate 6 is under the action of driving device 8 towards bottom plate 1
When direction moves, the lower end of first locking member 13 contacts and leads to the second strip projected parts of upper end 121 of second support bar 12
Cross the second strip projected parts 121 key connection.
It should be noted that first mandril 9, the first thimble, first support bar 11, the first locking member 13, second
Strut 12 and the second locking member 16 connection after be structure as a whole, the assembly hand of spiral of second locking member 16 and bottom plate 1 with
First locking member 13 is identical with the assembly hand of spiral of the second ejector retainner plate 6, when needing to dismantle the first mandril 9, by unscrewing
Two locking members 16, since the first locking member 13 is identical as the assembly hand of spiral of the second locking member 16, in second support bar 12
Under transmission, the first locking member 13 open, thus ejector pin component 10 from the second pilot hole 17 pull out come, to entire first mandril into
Row replacement.
Further, with reference to Fig. 1 and Fig. 3, elastic buffer block 18 is equipped on first thimble and the second thimble 102；
Each elastic buffer block 18 is detachably connected with the first thimble and the second thimble 102；It is opened in the elastic buffer block 18
Equipped with through-hole compatible with the first thimble and 102 structure of the second thimble, the head of the thimble 101 is embedded in elastic buffer block
In 18 through-hole；The height of the elastic buffer block 18 being equidistant to 7 bottom of product accommodating chamber with support plate 2 reduces top
Convenient for the extraction of thimble while needle damages.
It should be noted that the deformation quantity of the elastic buffer block 18 is less than the deformation quantity of elastic component 19, therefore elasticity is slow
Reaction force when reaction force when block 18 compresses is less than the compression of elastic component 19 is rushed, the work of auxiliary is played to the reset of thimble
With.
Working principle
Before needing the product in injection mold to eject, first ejector retainner plate 5 and the second ejector retainner plate 6 are located at support plate
Extreme lower position between 2 and bottom plate 1 works as needs at this point, the first locking member 13 is contacted and is connected as one with second support bar 12
When product is ejected, under the action of driving device 8, the first mandril 9 and the second mandril 15 are with the first ejector retainner plate 5 and the second top
Needle plate 6 moves upwards, and the first locking member 13 is separated with second support bar 12, when the head of the first thimble and the second thimble 102 connects
When contacting product, the first mandril 9 and the second mandril 15 are continued up with the first ejector retainner plate 5 and the second ejector retainner plate 6, this
When, guide cylinder 101 is not continuing up, and the second mandril 15 does straight line fortune by push rod 1501 upwards in guide cylinder 101
It is dynamic, the compressed air in guide cylinder 101 is discharged by air hole 103, product is ejected, at this point, elastic component 19 is compressed,
Push rod 1501 is forced to move downward in by guide cylinder 101, the first ejector retainner plate 5 during elastic component 19 restores elastic deformation
It is moved downward with the second ejector retainner plate 6 in the drive of driving device 8, so that the first ejector retainner plate 5, the second ejector retainner plate 6 and push rod 1501 are multiple
Position, until the first locking member 13 continues to contact with second support bar 12；While second thimble 102 ejects product, due to
The height of one thimble and the second thimble is opposite and moves synchronously head and is in same level always, therefore the first thimble will also produce
Product ejection；
In addition to this, by the effect of elastic buffer block 18, when the first thimble and the second thimble are with the first mandril and
Two mandrils, which synchronize, to be moved upwards product during the jacking up, and elastic buffer block 18 is compressed, and elastic deformation occurs, to application
Power on product plays certain buffer function；After ejecting product, the first thimble and the second thimble are in elastic buffer block
Under the action of 18 reaction elastic forces, the first thimble and the second thimble are forced opposite direction movement, so that thimble is relatively drawn out easily, elasticity
Buffer stopper 18 is gradually recovered deformation, and under the action of driving device, the first thimble and the second thimble are with the first ejector retainner plate and
Two ejector retainner plates are resetted, and the design of elastic buffer block not only plays the role of buffering to product, but also thimble is pulled out
It is easier to out, not easy damaged thimble.
The present invention passes through the design of the first push rod component and the second ejecting structure, is on the one hand capable of holding to product for multi-point
Intracavitary product of receiving applies active force when ejection, and product is ejected；On the other hand, effect when can eject product
Power is shared, and the pressure on single thimble is reduced, and is avoided thimble damage in ejection, is extended the service life of thimble.
It is the preferred embodiment of the present invention above, it is noted that for those skilled in the art,
Various improvements and modifications may be made without departing from the principle of the present invention, these improvements and modifications are also considered as this hair
Bright protection scope.
Claims (10)
1. a kind of injection mold ejecting structure, it is characterised in that: including the first ejector retainner plate (5), the second ejector retainner plate (6) and first
Push rod component；First ejector retainner plate (5) and the second ejector retainner plate (6) be mounted on mold dynamic model bottom plate (1) and support plate (2) it
Between, second ejector retainner plate (6) is located at the bottom of the first ejector retainner plate (5)；The bottom plate (1) is equipped with driving device (8)；It is described
The telescopic end of driving device (8) is connect with the bottom of the second ejector retainner plate (6), for driving the first ejector retainner plate (5) and the second thimble
Plate (6) moves back and forth between bottom plate (1) and support plate (2)；Product accommodating chamber is offered in the moving template (3) of mold dynamic model
(7)；
First push rod component includes the first mandril (9), first support bar (11) and the first locking member (13)；First top
The upper end of bar (9) is equipped with the first thimble, and the head of first thimble is in contact with the ejecting cap of product accommodating chamber (7) bottom；
The lower end of first mandril (9) is equipped with first connecting portion (901)；First mandril (9) by first connecting portion (901) with
The upper end of first support bar (11) connects；The lower end of the first support bar (11) is assemblied in the first locking member (13)；It is described
First locking member (13) is embedded in the second ejector retainner plate (6) and is detachably connected with the second ejector retainner plate (6)；
The two sides of first mandril (9) further respectively have multiple second ejecting structures；Second ejecting structure includes second
The upper end of mandril (15) and ejector pin component (10), second mandril (15) is equipped with push rod (1501), and the second mandril (15) passes through
Push rod (1501) is connect with ejector pin component (10)；
The ejector pin component (10) includes guide cylinder (101) and the second thimble (102), and second thimble (102), which is installed in, leads
To cylinder (101) upper end and be connected to guide cylinder (101)；The head of second thimble (102) is uniformly provided with multiple ventilative
Hole (103)；The head of second thimble (102) is in contact with the ejecting cap of product accommodating chamber (7) bottom；In driving device
(8) under driving, second mandril (15) and the first ejector retainner plate (5) and the second ejector retainner plate (6) moves synchronously and the second mandril
(15) piston motion is done in guide cylinder (101) by push rod (1501)；The lower end of second mandril (15) is through the first top
Needle plate (5) is connect with the third locking member (20) being embedded in the second ejector retainner plate (6), and the third locking member (20) is assemblied in
In two ejector retainner plates (6)；The outside of the push rod (1501) is also arranged with elastic component (19), and one end of the elastic component (19) is against
On second mandril (15), the other end is against on ejector pin component (10)；
Under the driving of driving device (8), the first ejector retainner plate (5) and the second ejector retainner plate (6) bottom plate (1) and support plate (2) it
Between move back and forth, the product in product accommodating chamber (7) is ejected by the first push rod component and the second ejecting structure.
2. a kind of injection mold ejecting structure according to claim 1, it is characterised in that: under second mandril (15)
End is threadedly coupled with third locking member (20), and the third locking member (20) is filled by the third opened up on the second ejector retainner plate (6)
Distribution (21) is threadedly coupled with the second ejector retainner plate (6).
3. a kind of injection mold ejecting structure according to claim 1, it is characterised in that: the head of the push rod (1501)
Head equipped with piston (104) and the push rod (1501) is assemblied in guide cylinder (101) together with piston (104), described
The surrounding of piston (104) is bonded with guide cylinder (101) inner tight.
4. a kind of injection mold ejecting structure according to claim 3, it is characterised in that: the guide cylinder (101) with push away
One end of bar (1501) connection is equipped with cover (105), and the cover (105) is threadedly coupled with guide cylinder (101), the push rod
(1501) head is assemblied in guide cylinder (101) through cover (105) together with piston (104)；The elastic component (19)
The other end be against on cover (105).
5. a kind of injection mold ejecting structure according to claim 1, it is characterised in that: the guide cylinder (101) is embedded
In support plate (2), second thimble (102) includes multiple and is evenly arranged on guide cylinder (101), second thimble
(102) head upwardly extends and elongated end is in contact with the ejecting cap of product accommodating chamber (7) bottom；Second thimble
(102) it is connected to by the through-hole that the second thimble (102) end opens up with guide cylinder (101).
6. a kind of injection mold ejecting structure according to claim 1, it is characterised in that: the push rod (1501) and second
Mandril (15) is integrated；The diameter of second mandril (15) is greater than the diameter of push rod (1501)；The elastic component
(19) one end is against on the second mandril (15), and the other end is against on cover (105).
7. a kind of injection mold ejecting structure according to claim 1, it is characterised in that: first locking member (13) is logical
Cross the first pilot hole (14) being provided on the second ejector retainner plate (6) be embedded in the second ejector retainner plate (6) and with the second ejector retainner plate (6)
It is threadedly coupled；The first support bar (11) is embedded between the first ejector retainner plate (5) and the second ejector retainner plate (6).
8. a kind of injection mold ejecting structure according to claim 1 or claim 7, it is characterised in that: the first support bar
(11) lower end is embedded in the first locking member (13) and is threadedly coupled with the first locking member (13), first support bar (11) it is upper
End is keyed by the first strip projected parts (112) opened up on second connecting portion (111) and the first mandril (9).
9. a kind of injection mold ejecting structure according to claim 1, it is characterised in that: be additionally provided on the bottom plate (1)
Second support bar (12), the lower end of the second support bar (12) be embedded in the bottom plate (1) and by the second locking member (16) with
Bottom plate (1) is threadedly coupled, and the upper end of the second support bar (12) extends the outside of bottom (1) and elongated end offers second
Strip projected parts (121), lower one end of first locking member (13) offer compatible with the second strip projected parts (121) structure
Concave inward structure (131)；When second ejector retainner plate (6) moves under the action of driving device (8) towards bottom plate (1) direction, institute
It states the lower end of the first locking member (13) and the upper-end contact of second support bar (12) and is connected by the second strip projected parts (121) key
It connects.
10. a kind of injection mold ejecting structure according to claim 1, it is characterised in that: first thimble and second
Elastic buffer block (18) are equipped on thimble (102)；Each elastic buffer block (18) and the first thimble and the second thimble
(102) it is detachably connected；It offers in the elastic buffer block (18) and is mutually fitted with the first thimble and the second thimble (102) structure
The head of the through-hole matched, the thimble (101) is embedded in the through-hole of elastic buffer block (102)；The elastic buffer block (102)
Height and support plate (2) being equidistant to product accommodating chamber (7) bottom.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811247270.7A CN109352929A (en) | 2018-10-24 | 2018-10-24 | A kind of injection mold ejecting structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811247270.7A CN109352929A (en) | 2018-10-24 | 2018-10-24 | A kind of injection mold ejecting structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109352929A true CN109352929A (en) | 2019-02-19 |
Family
ID=65346405
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811247270.7A Pending CN109352929A (en) | 2018-10-24 | 2018-10-24 | A kind of injection mold ejecting structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109352929A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109808131A (en) * | 2019-03-12 | 2019-05-28 | 高伟刚 | A kind of adjustable injection mould processing platform |
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| CN102601942A (en) * | 2012-03-15 | 2012-07-25 | 中山市朗华模具注塑有限公司 | Injection mold ejector mechanism |
| CN204546967U (en) * | 2015-01-23 | 2015-08-12 | 亿和精密工业（苏州）有限公司 | There is the plastic mould forcing to eject auxiliary body |
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| CN206855897U (en) * | 2017-05-27 | 2018-01-09 | 东莞市快科精密模具有限公司 | A kind of injection mold and its mould emptier |
| CN207889073U (en) * | 2018-02-09 | 2018-09-21 | 惠州市裕盈科技有限公司 | A kind of secondary ejection mold with elastic vertical top |
| CN210139591U (en) * | 2018-10-24 | 2020-03-13 | 西安康倍机电科技有限公司 | Ejection structure of injection mold |
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- 2018-10-24 CN CN201811247270.7A patent/CN109352929A/en active Pending
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH11277589A (en) * | 1998-03-31 | 1999-10-12 | Fujitsu Takamisawa Component Ltd | Mold for injection molding |
| KR100736690B1 (en) * | 2006-06-20 | 2007-07-06 | 현대자동차주식회사 | Die casting metallic pattern ejecting device |
| CN102601942A (en) * | 2012-03-15 | 2012-07-25 | 中山市朗华模具注塑有限公司 | Injection mold ejector mechanism |
| CN204546967U (en) * | 2015-01-23 | 2015-08-12 | 亿和精密工业（苏州）有限公司 | There is the plastic mould forcing to eject auxiliary body |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109808131A (en) * | 2019-03-12 | 2019-05-28 | 高伟刚 | A kind of adjustable injection mould processing platform |
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