CN107186973A - The secondary core-pulling mechanism of the cellular side riser of injection mold band - Google Patents
The secondary core-pulling mechanism of the cellular side riser of injection mold band Download PDFInfo
- Publication number
- CN107186973A CN107186973A CN201710565629.4A CN201710565629A CN107186973A CN 107186973 A CN107186973 A CN 107186973A CN 201710565629 A CN201710565629 A CN 201710565629A CN 107186973 A CN107186973 A CN 107186973A
- Authority
- CN
- China
- Prior art keywords
- plate
- core
- die cavity
- action sliders
- thimble
- 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.)
- Pending
Links
- 238000002347 injection Methods 0.000 title claims abstract description 23
- 239000007924 injection Substances 0.000 title claims abstract description 23
- 230000001413 cellular effect Effects 0.000 title claims abstract description 16
- 150000001875 compounds Chemical class 0.000 claims abstract description 19
- 229920003023 plastic Polymers 0.000 claims abstract description 17
- 239000004033 plastic Substances 0.000 claims abstract description 17
- 238000001746 injection moulding Methods 0.000 claims description 3
- 238000005086 pumping Methods 0.000 description 2
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000007493 shaping process Methods 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
- B29C45/26—Moulds
- B29C45/33—Moulds having transversely, e.g. radially, movable mould parts
- B29C45/332—Mountings or guides therefor; Drives therefor
-
- 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
-
- 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
- B29C2045/4063—Removing or ejecting moulded articles preventing damage to articles caused by the ejector
Landscapes
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Mechanical Engineering (AREA)
- Moulds For Moulding Plastics Or The Like (AREA)
Abstract
The secondary core-pulling mechanism of the cellular side riser of injection mold band, including upper, lower compound plate, upper compound plate divides into backing plate and divides into die cavity, support block is set on lower compound plate, set on lower compound plate between support block, lower ejector retainner plate and thimble, set on support block in core and set core insert, set on core in side action sliders and set side thimble, side ejector retainner plate is set on the outside of side action sliders, side thimble connects side ejector retainner plate, core insert, side action sliders, there is working of plastics between side thimble and die cavity, working of plastics both sides riser, honeycomb groove processed on riser outer wall, it is characterized in that side ejector retainner plate outer wall sets Ejector Retainer Plate, spring is set in Ejector Retainer Plate, spring side is in contact with Ejector Retainer Plate, spring opposite side is in contact through side ejector retainner plate with side action sliders, Ejector Retainer Plate side outer wall projection, projection outer wall is in contact with die cavity inwall, Angle Pin is set in die cavity, oblique guide hole is opened in side action sliders, core outer wall sets oil cylinder, cylinder piston rod is connected with side action sliders.
Description
Technical field
The present invention relates to the secondary core-pulling mechanism of injection mold, the more particularly to cellular side riser of injection mold band.
Background technology
In injection mold, if the side wall of working of plastics is formed with riser, and the outer wall of riser gather honeycomb groove, circular groove, side
The structures such as groove, because more groove can be larger to the package powers of side action sliders, directly enter according to side action sliders from side
Row core pulling, then can cause side action sliders to drive riser to move together, make to break between riser and working of plastics main body, molded product
Scrap, in order to overcome the defect, prior art is to be formed with upwardly-extending baffle in the fixed plate for pumping cylinder in side, in side core-pulling
The rear side of sliding block sets and side thimble is set on side ejector retainner plate, side ejector retainner plate, and side thimble passes through the part of side action sliders and product
Honeycomb groove coordinates, and has certain gap between side ejector retainner plate and side action sliders, spring is set between side ejector retainner plate and baffle plate, when
When mould is molded, by side, oil pumping cylinder drives side action sliders to move outward, but is kept by spring thimble side ejector retainner plate, side thimble
Motionless, the riser that side thimble withstands working of plastics is remained stationary as, and side action sliders is first deviate from the honeycomb groove of riser, and the structure is present
Shortcoming be：Spacing between side ejector retainner plate and baffle plate is larger, and the elastic force of spring is not enough to support pin plate, is easily caused injection
When, injection pressure is excessive, and is moved to the outside side action sliders, die cavity is changed, and mould is molded, and side core-pulling is slided
Block can drive ejector retainner plate to move together when moving outward, so as to cause product rejection, and need to increase the thickness of side action sliders
Degree, so as to shorten the spacing between side ejector retainner plate and baffle plate, so results in the length increase of side thimble so that side thimble it is strong
Degree weakens, and is easily deformed or even is broken.
The content of the invention
The invention aims to overcome the shortcoming that prior art is present to be supported reliably there is provided a kind of offside ejector retainner plate,
Shorten the length of side thimble, improve the intensity of side thimble, side action sliders is smoothly deviate from the riser of product, it is ensured that product matter
The secondary core-pulling mechanism of the cellular side riser of injection mold band of amount.
The technical scheme of the secondary core-pulling mechanism of the cellular side riser of injection mold band of the present invention is：Including upper compound plate and
Set under lower compound plate, upper compound plate under backing plate, backing plate and die cavity is set, set on lower compound plate on the lower compound plate between support block, support block
Set in setting on ejector retainner plate, lower ejector retainner plate and thimble, support block in core, core sets side to take out on setting core insert, core
Side thimble is set in core sliding block, side action sliders, and the outside of side action sliders sets side ejector retainner plate, and side ejector retainner plate is slided with side core-pulling
There is gap between block, side thimble connecting side ejector retainner plate has injection between core insert, side action sliders, side thimble and die cavity
The working of plastics of shaping, the both sides of working of plastics, which are formed with riser, the outer wall of riser, is formed with honeycomb groove, it is characterised in that：Described side
Ejector retainner plate outer wall sets Ejector Retainer Plate, sets spring in Ejector Retainer Plate, the side of spring is in contact with Ejector Retainer Plate, spring it is another
Side is in contact through side ejector retainner plate with side action sliders, and projection is formed with the side outer wall of Ejector Retainer Plate, the outer wall of projection with
Die cavity inwall is in contact, and is set in die cavity and oblique guide hole is provided with Angle Pin, side action sliders, and Angle Pin matches with oblique guide hole
Close, oil cylinder is set in the outer wall of core, the piston rod of oil cylinder is connected with side action sliders.
The invention discloses a kind of secondary core-pulling mechanism of the cellular side riser of injection mold band, when working of plastics is molded into
After type, mould die sinking now first with Angle Pin and the oblique guide hole of side action sliders, drives side action sliders to move one outward
Small segment distance, and now the projection of Ejector Retainer Plate outer wall is still contacted with the holding of facing directly of die cavity inwall, therefore die cavity withstands top
Pin bottom plate and side ejector retainner plate are remained stationary as, and Ejector Retainer Plate and side ejector retainner plate drive side thimble to remain stationary as, and side thimble withstands plastics
The riser of part is remained stationary as, and side action sliders is gradually moved the honeycomb groove of abjection riser outward, when side action sliders and side top
When needle plate is in contact, now die cavity is also moved up, and is disengaged with the projection of Ejector Retainer Plate, and die cavity can not be to Ejector Retainer Plate
Progress is spacing, and now oil cylinder drives side action sliders to move outward through piston rod, and side action sliders drive side ejector retainner plate and thimble
Bottom plate is moved outward, and side ejector retainner plate and Ejector Retainer Plate drive side thimble to move the riser of abjection working of plastics outward, due to only several
The honeycomb groove of root side thimble and riser coordinates, therefore during the honeycomb groove of side thimble abjection riser, riser will not be driven to move together
Or riser is broken, so as to ensure its smooth core pulling.The secondary core-pulling mechanism of the cellular side riser of this programme injection mold band, one
It is that side thimble is set on the lateral wall setting side ejector retainner plate and Ejector Retainer Plate in side action sliders, side ejector retainner plate and Ejector Retainer Plate,
Spring is set between Ejector Retainer Plate and side action sliders, the length of side thimble and spring is so shortened, it is ensured that the knot of side thimble
Structure intensity and service life, and make spring there are enough spring energies to support side action sliders, prevent that injection pressure is excessive and makes mould
Chamber is deformed；Two be that the outer wall of Ejector Retainer Plate is formed with projection, and the outer wall of projection is faces directly, and it is contacted with the inwall of facing directly of die cavity, is opened
It is spacing to Ejector Retainer Plate using die cavity during mould, reliable is supported to Ejector Retainer Plate, side ejector retainner plate, side thimble, side thimble is to riser branch
Support is reliable, so as to prevent side action sliders from carrying out driving riser movement when side is taken out or breaking riser, it is ensured that product quality.
It is oblique that projection is formed with the secondary core-pulling mechanism of the cellular side riser of injection mold band of the present invention, described projection
Face, die cavity inwall is formed with die cavity inclined-plane, during mould matched moulds, and projection inclined-plane is engaged with die cavity inclined-plane.When mould matched moulds, due to
There is spring between Ejector Retainer Plate and side action sliders, so that Ejector Retainer Plate can not reset completely, there is projection inclined-plane and type
Chamber inclined-plane coordinate, by die cavity matched moulds when moved inward by die cavity inclined-plane through projection slope driving Ejector Retainer Plate, can be complete
Reset, so as to avoid die cavity from being collided with Ejector Retainer Plate.
Brief description of the drawings
Fig. 1 is the secondary core-pulling mechanism matched moulds status architecture schematic diagram of the cellular side riser of injection mold band of the present invention；
Fig. 2 is the secondary core-pulling mechanism first time side core-pulling status architecture signal of the cellular side riser of injection mold band of the present invention
Figure；
Fig. 3 is second of side core-pulling status architecture signal of secondary core-pulling mechanism of the cellular side riser of injection mold band of the present invention
Figure.
Embodiment
The present invention relates to a kind of secondary core-pulling mechanism of the cellular side riser of injection mold band, as shown in Fig. 1-Fig. 3,
Including upper compound plate 1 and lower compound plate 2, set under upper compound plate and die cavity 4 is set under backing plate 3, backing plate, support block 5, mould are set on lower compound plate
Set to set in core 9, core on upper ejector retainner plate 6, lower ejector retainner plate 7 and thimble 8, support block on lower compound plate between pin and core is set
Set on insert 10, core and side thimble 12 is set in side action sliders 11, side action sliders, the outside of side action sliders sets side
Ejector retainner plate 13, there is gap 14 between side ejector retainner plate and side action sliders, side thimble connecting side ejector retainner plate is taken out in core insert, side
There is the working of plastics 15 of injection molding between core sliding block, side thimble and die cavity 4, the both sides of working of plastics are formed with outside riser 16, riser
Honeycomb groove 17 is formed with wall, it is characterised in that：The described outer wall of side ejector retainner plate 13 sets in Ejector Retainer Plate 18, Ejector Retainer Plate and set
Spring 19, the side of spring is in contact with Ejector Retainer Plate, and the opposite side of spring passes through side ejector retainner plate 13 and the phase of side action sliders 11
Contact, is formed with projection 20, the outer wall of projection is in contact with the inwall of die cavity 4 in the side outer wall of Ejector Retainer Plate, is set in die cavity
Oblique guide hole 22 is provided with Angle Pin 21, side action sliders, Angle Pin is engaged with oblique guide hole, oil cylinder is set in the outer wall of core 9
23, the piston rod of oil cylinder is connected with side action sliders.After 15 injection molding of working of plastics, mould die sinking, now first by tiltedly leading
Post 21 and the oblique guide hole 22 of side action sliders 11 coordinate, and drive side action sliders 11 to move a small distance outward, and now push up
Face holding of the projection 20 of the outer wall of pin bottom plate 18 still with the inwall of die cavity 4 is contacted, therefore die cavity withstands Ejector Retainer Plate 18 and side
Ejector retainner plate 13 is remained stationary as, and Ejector Retainer Plate and side ejector retainner plate drive side thimble 12 to remain stationary as, and side thimble withstands working of plastics 15
Riser 16 is remained stationary as, and side action sliders 11 is gradually moved the honeycomb groove 17 of abjection riser 16 outward, when side action sliders 11
When being in contact with side ejector retainner plate 13, now die cavity 4 is also moved up, and is disengaged with the projection 20 of Ejector Retainer Plate 18, die cavity 4
Ejector Retainer Plate 18 can not be carried out it is spacing, now oil cylinder 23 through piston rod drive side action sliders 11 move outward, side core-pulling slide
Block drives side ejector retainner plate 13 and Ejector Retainer Plate 18 to move outward, and side ejector retainner plate and Ejector Retainer Plate drive side thimble 12 mobile outward de-
Go out the riser 16 of working of plastics 15, coordinate due to only having the honeycomb groove 17 of several side thimbles and riser, therefore side thimble abjection riser
Honeycomb groove when, riser will not be driven to move or break together riser, so as to ensure its smooth core pulling.This programme injection mold band
The secondary core-pulling mechanism of cellular side riser, one is at the lateral wall setting side ejector retainner plate 13 of side action sliders 11 and thimble bottom
Side thimble 12 is set on plate 18, side ejector retainner plate and Ejector Retainer Plate, spring 19 is set between Ejector Retainer Plate and side action sliders 11, this
Sample shortens the length of side thimble and spring, it is ensured that the structural strength and service life of side thimble, and spring is had enough elastic force
Side action sliders can be supported, prevent that injection pressure is excessive and deforms die cavity；Two be that the outer wall of Ejector Retainer Plate 18 is formed with projection
20, the outer wall of projection is faces directly, and it is contacted with the inwall of facing directly of die cavity 4, spacing to Ejector Retainer Plate using die cavity during die sinking, to top
Pin bottom plate 18, side ejector retainner plate 13, side thimble 12 are supported reliably, and side thimble is supported to riser 16 reliably, so as to prevent side core-pulling from sliding
Block 11 carries out driving riser movement when side is taken out or breaks riser, it is ensured that product quality.Projection inclined-plane is formed with described projection 20
24, the inwall of die cavity 4 is formed with die cavity inclined-plane 25, during mould matched moulds, and projection inclined-plane is engaged with die cavity inclined-plane.When mould matched moulds,
Due to there is spring 19 between Ejector Retainer Plate 18 and side action sliders 11, so that Ejector Retainer Plate can not reset completely, there is convex
Block inclined-plane 24 coordinates with die cavity inclined-plane 25, from during 4 matched moulds of die cavity by die cavity inclined-plane through projection slope driving Ejector Retainer Plate 18 to
Interior movement, can reset completely, so as to avoid die cavity from being collided with Ejector Retainer Plate.
Claims (2)
1. the secondary core-pulling mechanism of the cellular side riser of injection mold band, including upper compound plate（1）With lower compound plate（2）, upper compound plate
Lower setting backing plate（3）, die cavity is set under backing plate（4）, support block is set on lower compound plate（5）, set on the lower compound plate between support block
Upper ejector retainner plate（6）, lower ejector retainner plate（7）And thimble（8）, core is set on support block（9）, core insert is set in core（10）, type
Side action sliders are set on core（11）, side thimble is set in side action sliders（12）, the outside of side action sliders sets side thimble
Plate（13）, have gap between side ejector retainner plate and side action sliders（14）, side thimble connecting side ejector retainner plate takes out in core insert, side
Core sliding block, side thimble and die cavity（4）Between have the working of plastics of injection molding（15）, the both sides of working of plastics are formed with riser（16）, erect
Honeycomb groove is formed with the outer wall of plate（17）, it is characterised in that：Described side ejector retainner plate（13）Outer wall sets Ejector Retainer Plate（18）, top
Spring is set in pin bottom plate（19）, the side of spring is in contact with Ejector Retainer Plate, and the opposite side of spring passes through side ejector retainner plate（13）
With side action sliders（11）It is in contact, projection is formed with the side outer wall of Ejector Retainer Plate（20）, the outer wall and die cavity of projection（4）It is interior
Wall is in contact, and Angle Pin is set in die cavity（21）, oblique guide hole is provided with side action sliders（22）, Angle Pin and oblique guide hole match
Close, in core（9）Outer wall set oil cylinder（23）, the piston rod of oil cylinder is connected with side action sliders.
2. the secondary core-pulling mechanism of the cellular side riser of injection mold band as claimed in claim 1, it is characterised in that：It is described
Projection（20）On be formed with projection inclined-plane（24）, die cavity（4）Inwall is formed with die cavity inclined-plane（25）, during mould matched moulds, projection inclined-plane
It is engaged with die cavity inclined-plane.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710565629.4A CN107186973A (en) | 2017-07-12 | 2017-07-12 | The secondary core-pulling mechanism of the cellular side riser of injection mold band |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710565629.4A CN107186973A (en) | 2017-07-12 | 2017-07-12 | The secondary core-pulling mechanism of the cellular side riser of injection mold band |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107186973A true CN107186973A (en) | 2017-09-22 |
Family
ID=59881994
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710565629.4A Pending CN107186973A (en) | 2017-07-12 | 2017-07-12 | The secondary core-pulling mechanism of the cellular side riser of injection mold band |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107186973A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107775903A (en) * | 2017-10-27 | 2018-03-09 | 宁波方正汽车模具股份有限公司 | A kind of double-slider lifter demoulding mechanism |
| CN108215090A (en) * | 2017-12-15 | 2018-06-29 | 宁波方正汽车模具股份有限公司 | A kind of adjustable upper plaque pressure surface positioning needle construction |
| CN109177077A (en) * | 2018-11-19 | 2019-01-11 | 深圳市银宝山新科技股份有限公司 | It is buckled to bit synchronization clasp mould mechanism |
| CN109849297A (en) * | 2019-01-25 | 2019-06-07 | 东江模具（深圳）有限公司 | A kind of arc-shaped hollow moulding one demoulding ejection injection mold |
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| CN201357541Y (en) * | 2009-02-14 | 2009-12-09 | 浙江凯华模具有限公司 | Demoulding device of ski stick handle mould |
| CN202200486U (en) * | 2011-07-21 | 2012-04-25 | 浙江金典模具有限公司 | Ejector pin mechanism for deep rib side-pulling slider of plastic mould |
| CN103660191A (en) * | 2013-12-31 | 2014-03-26 | 浙江荣信模具塑料有限公司 | Injection mold with antiskid mat double-sided gridding tray |
| CN104690914A (en) * | 2015-03-25 | 2015-06-10 | 韩立艳 | Mold three-dimensional core-pulling demolding mechanism |
| CN207077709U (en) * | 2017-07-12 | 2018-03-09 | 滨海模塑集团有限公司 | The secondary core-pulling mechanism of the cellular side riser of injection mold band |
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2017
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Patent Citations (5)
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| CN201357541Y (en) * | 2009-02-14 | 2009-12-09 | 浙江凯华模具有限公司 | Demoulding device of ski stick handle mould |
| CN202200486U (en) * | 2011-07-21 | 2012-04-25 | 浙江金典模具有限公司 | Ejector pin mechanism for deep rib side-pulling slider of plastic mould |
| CN103660191A (en) * | 2013-12-31 | 2014-03-26 | 浙江荣信模具塑料有限公司 | Injection mold with antiskid mat double-sided gridding tray |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107775903A (en) * | 2017-10-27 | 2018-03-09 | 宁波方正汽车模具股份有限公司 | A kind of double-slider lifter demoulding mechanism |
| CN107775903B (en) * | 2017-10-27 | 2020-03-31 | 宁波方正汽车模具股份有限公司 | Double-slider pitched roof demolding mechanism |
| CN108215090A (en) * | 2017-12-15 | 2018-06-29 | 宁波方正汽车模具股份有限公司 | A kind of adjustable upper plaque pressure surface positioning needle construction |
| CN108215090B (en) * | 2017-12-15 | 2021-04-13 | 宁波方正汽车模具股份有限公司 | Upper decoration plate pressing surface positioning needle structure with adjustable |
| CN109177077A (en) * | 2018-11-19 | 2019-01-11 | 深圳市银宝山新科技股份有限公司 | It is buckled to bit synchronization clasp mould mechanism |
| CN109849297A (en) * | 2019-01-25 | 2019-06-07 | 东江模具（深圳）有限公司 | A kind of arc-shaped hollow moulding one demoulding ejection injection mold |
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| PB01 | Publication | ||
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| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20170922 |
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| RJ01 | Rejection of invention patent application after publication |