CN104842520B - Injection molding mould fixed die skew back top internal core-pulling mechanism - Google Patents
Injection molding mould fixed die skew back top internal core-pulling mechanism Download PDFInfo
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- CN104842520B CN104842520B CN201510215912.5A CN201510215912A CN104842520B CN 104842520 B CN104842520 B CN 104842520B CN 201510215912 A CN201510215912 A CN 201510215912A CN 104842520 B CN104842520 B CN 104842520B
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- China
- Prior art keywords
- cover half
- dynamic model
- push pedal
- skew back
- thimble
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Classifications
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- 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
- B29C45/26—Moulds
- B29C45/33—Moulds having transversely, e.g. radially, movable mould parts
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- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Mechanical Engineering (AREA)
- Moulds For Moulding Plastics Or The Like (AREA)
Abstract
Injection molding mould fixed die skew back top internal core-pulling mechanism，Including upper、Lower compound plate，Upper compound plate divides into cover half，Perforation is opened in lower compound plate，Support block is set on lower compound plate，Set between support block、Lower ejector retainner plate，Injector push rod is contacted with lower ejector retainner plate，On、Straight thimble and dynamic model sideslip seat are set on lower ejector retainner plate，Dynamic model side slide is set on dynamic model sideslip seat and interlocks convex tendon processed on mould skew back thimble，Dynamic model is set on support block，There is working of plastics between dynamic model and cover half，Upper barb and lower riser are made on working of plastics，The convex tendon that hole clipping is opened on lower riser with dynamic model skew back thimble coordinates，It is characterized in that push pedal groove processed and oblique guide hole in cover half，Push pedal and push pedal fixed plate are set in push pedal groove，Spring is set between push pedal and upper compound plate，Support bar and cover half sideslip seat are set in push pedal and push pedal fixed plate，Support bar lower end is through cover half and dynamic model upper-end contact，Mould side slide is set on cover half sideslip seat，Cover half side slide connects cover half skew back thimble，Upper barb of the cover half skew back thimble through oblique guide hole with working of plastics coordinates.
Description
Technical field
The present invention relates to injection mold, more particularly to injection molding mould fixed die skew back top internal core-pulling mechanism.
Background technology
If working of plastics is in cover half side and dynamic model side barbed configuration all processed, prior art typically dynamic model side it is upper,
Slide is set on lower ejector retainner plate, slide block is set on slide, slide block connection oblique top pin passes through upper and lower ejector retainner plate when mould is molded
While driving oblique top pin to eject working of plastics, oblique top pin extracts barb out to a Slideslip, and cover half side barb is due to by mould
Lamps structure is limited, and is typically only capable to for the bending amplitude and depth of barb to do little, then by the strong de- barb for directly deviating from cover half side,
Therefore easily there is situations such as breaking in cover half side barb, and causes product rejection, additionally, due to the needs of product, it is impossible to by cover half side
The bending amplitude and depth of barb does little, and prior art cannot then be deviate from.
The content of the invention
The invention aims to overcome the shortcoming that prior art is present, there is provided one kind is conducive to deviating from working of plastics dynamic model
Side and the barb of cover half side, simple structure, the demoulding are smooth, it is ensured that the injection molding mould fixed die skew back top inner core pulling machine of product quality
Structure.
The technical scheme of injection molding mould fixed die skew back top internal core-pulling mechanism of the present invention is：Including upper compound plate and lower compound plate,
Centring ring is set in upper compound plate, cover half is set under upper compound plate, gate bush is set in cover half, perforation is provided with lower compound plate, under
Support block is set on compound plate, upper ejector retainner plate and lower ejector retainner plate is set on the lower compound plate between support block, injector push rod through perforation with
Lower ejector retainner plate contacts, and straight thimble and dynamic model sideslip seat are arranged on upper and lower ejector retainner plate, arranges dynamic model and break away on dynamic model sideslip seat
Block, dynamic model side slide connection dynamic model skew back thimble, is formed with convex tendon on dynamic model skew back thimble, arranges dynamic model on support block, dynamic model with
Have the working of plastics of injection mo(u)lding between cover half, on working of plastics, be formed with barb and lower riser, on lower riser, be provided with hole clipping, hole clipping with
The convex tendon of dynamic model skew back thimble is engaged, it is characterised in that：Push pedal groove and oblique guide hole are formed with described cover half, in push pedal groove
Push pedal and push pedal fixed plate are set, spring are set between push pedal and upper compound plate, arrange in push pedal and push pedal fixed plate support bar and
Cover half sideslip seat, support bar lower end are contacted through cover half with dynamic model upper end, and cover half side slide, cover half are arranged on cover half sideslip seat
Side slide connects cover half skew back thimble, and cover half skew back thimble is engaged through oblique guide hole with the upper barb of working of plastics.
The invention discloses a kind of injection molding mould fixed die skew back top internal core-pulling mechanism, after working of plastics injection mo(u)lding, lower multiple
Strip dynamic model foot, dynamic model, upper ejector retainner plate, lower ejector retainner plate, dynamic model skew back thimble, straight thimble and working of plastics are moved rearwards by, and make mould
Die sinking, while fixed half and moving half is opened, spring pushes down on push pedal and push pedal fixed plate under restoring force effect, push pedal with
, downwards with active and inactive mold sideslip seat and support bar, cover half sideslip seat is downwards with active and inactive mold side slide and cover half skew back top for push pedal fixed plate
Pin, makes cover half skew back thimble and support bar as dynamic model is moved downwardly together, as the oblique guide hole of cover half is remained stationary as therefore fixed
Mould skew back thimble along the inside Slideslip of oblique guide hole, makes cover half skew back thimble first deviate from working of plastics while moving down
Upper barb, when cover half side slide is contacted with push pedal groove bottom, push pedal, push pedal fixed plate, cover half side slide, cover half skew back top
Pin and support bar stop moving down, and now mould continues die sinking, withstand upper and lower ejector retainner plate by injection machine push rod and stop movement,
Upper and lower ejector retainner plate withstands straight thimble and dynamic model sideslip seat stops movement, the dynamic model skew back thimble on straight thimble and dynamic model sideslip seat
Withstand working of plastics and stop movement, so that working of plastics abjection dynamic model, withstands the same of working of plastics abjection dynamic model in dynamic model skew back thimble
When, dynamic model is moved rearwards by, and dynamic model is coordinated with dynamic model skew back thimble, makes dynamic model skew back thimble and the inside Slideslip of dynamic model side slide de-
Go out the hole clipping of working of plastics, now working of plastics is just dropped downward in collecting box under gravity, completes the demoulding.This programme injection mould
Tool cover half skew back top internal core-pulling mechanism, by push pedal and push pedal fixed plate are arranged in cover half, is arranged between push pedal and upper compound plate
Spring, arranges support bar in push pedal fixed plate, is withstood on the side of dynamic model by support bar, and support bar is to push pedal, push pedal fixed plate
A position-limiting action is played with cover half skew back thimble, when so can guarantee that mould is molded, cover half skew back thimble can be with dynamic model
Move downwardly together, cover half skew back thimble can be made again to be only to be attached on working of plastics, without extruding working of plastics, it is ensured that working of plastics
Quality, in addition in mould matched moulds, support bar can also play reset response to push pedal and push pedal fixed plate, simple structure, take off
Mould is smooth.
Injection molding mould fixed die skew back top internal core-pulling mechanism of the present invention, arranges upper guide post between described upper compound plate and cover half,
Guide hole is provided with push pedal and push pedal fixed plate, upper guide hole is engaged with upper guide post.There is upper guide post, fix push pedal and push pedal
Plate is oriented to when moving up and down accurately.
Description of the drawings
Fig. 1 is injection molding mould fixed die skew back top internal core-pulling mechanism matched moulds status architecture schematic diagram；
Fig. 2 is the upper barb state structural representation of cover half skew back thimble abjection；
Fig. 3 is injection molding mould fixed die skew back top internal core-pulling mechanism die opening state structural representation.
Specific embodiment
The present invention relates to a kind of injection molding mould fixed die skew back top internal core-pulling mechanism, as shown in Fig. 1-Fig. 3, including upper compound plate 1
With lower compound plate 2, centring ring 3 is set in upper compound plate, cover half 4 is set under upper compound plate, gate bush 5 is set in cover half, lower multiple
Perforation 6 is provided with plate 2, support block 7 is set on lower compound plate, upper ejector retainner plate 8 and lower ejector retainner plate 9 are set on the lower compound plate between support block,
Injector push rod 10 is contacted through perforation 6 with lower ejector retainner plate 9, and straight thimble 11 and dynamic model sideslip seat are arranged on upper and lower ejector retainner plate
12, dynamic model side slide 13 is set on dynamic model sideslip seat, dynamic model side slide connection dynamic model skew back thimble 14 is made on dynamic model skew back thimble
There is convex tendon 15, dynamic model 16 is set on support block, is had the working of plastics 17 of injection mo(u)lding between dynamic model and cover half 4, is formed with working of plastics
Upper barb 18 and lower riser 19, are provided with hole clipping 20 on lower riser, hole clipping is engaged with the convex tendon 15 of dynamic model skew back thimble 14, and which is special
Levy and be：Push pedal groove 21 and oblique guide hole 22 are formed with described cover half 4, push pedal 23 and push pedal fixed plate are set in push pedal groove
24, spring 25 is set between push pedal and upper compound plate 1, support bar 26 and cover half sideslip seat 27 are set in push pedal and push pedal fixed plate,
Support bar lower end is contacted through cover half 4 with 16 upper end of dynamic model, and cover half side slide 28, cover half side slide are arranged on cover half sideslip seat
Connection cover half skew back thimble 29, cover half skew back thimble is engaged through oblique guide hole 22 with the upper barb 18 of working of plastics 17.Work as plastics
After 17 injection mo(u)lding of part, lower compound plate 2 drives support block 7, dynamic model 16, upper ejector retainner plate 8, lower ejector retainner plate 9, dynamic model skew back thimble 14, straight
Thimble 11 and working of plastics 17 are moved rearwards by, and mold mould, and while cover half 4 and dynamic model 16 are opened, spring 25 is in restoring force
Push pedal 23 and push pedal fixed plate 24, push pedal and band active and inactive mold sideslip seat 27 and the support downwards of push pedal fixed plate are pushed down under effect
Bar 26, cover half sideslip seat with active and inactive mold side slide 28 and cover half skew back thimble 29, make cover half skew back thimble and support bar 26 downwards
As dynamic model 16 is moved downwardly together, as the oblique guide hole 22 of cover half 4 is remained stationary as, therefore cover half skew back thimble 29 is to moving down
While dynamic, along 22 inside Slideslip of oblique guide hole, make cover half skew back thimble first deviate from the upper barb 18 of working of plastics 17, work as cover half
When side slide 27 is contacted with 21 bottom surface of push pedal groove, push pedal 23, push pedal fixed plate 24, cover half side slide 27, cover half skew back thimble
29 and support bar 26 stop move down, now mould continue die sinking, upper and lower ejector retainner plate 8,9 is withstood by injection machine push rod 10 and is stopped
Only move, upper and lower ejector retainner plate withstands straight thimble 11 and dynamic model sideslip seat 12 stops movement, it is dynamic on straight thimble and dynamic model sideslip seat
Mould skew back thimble 14 withstands working of plastics 17 and stops movement, so that working of plastics abjection dynamic model 16, withstands modeling in dynamic model skew back thimble
While materials and parts abjection dynamic model, dynamic model is moved rearwards by, and dynamic model 16 is coordinated with dynamic model skew back thimble 14, makes dynamic model skew back thimble and moves
13 inside Slideslip of mould side slide deviates from the hole clipping 20 of working of plastics 17, and now working of plastics just drops downward into collection under gravity
In case, the demoulding is completed.This programme injection molding mould fixed die skew back top internal core-pulling mechanism, by push pedal 23 being arranged in cover half 4 and being pushed away
Plate fixed plate 24, arranges spring 25 between push pedal and upper compound plate 1, arrange support bar 26, withstood on by support bar in push pedal fixed plate
On the side of dynamic model 16, support bar plays a position-limiting action to push pedal 23, push pedal fixed plate 24 and cover half skew back thimble 29, this
When sample can guarantee that mould is molded, cover half skew back thimble 29 can be moved downwardly together with dynamic model 16, can make cover half skew back top again
Pin is only to be attached on working of plastics 17, without extruding working of plastics, it is ensured that the quality of working of plastics, in addition in mould matched moulds,
Strut 26 can also play reset response to push pedal 23 and push pedal fixed plate 24, and simple structure, the demoulding are smooth.Described upper compound plate 1
Upper guide post 39 is set between cover half 4, guide hole 31, upper guide hole and 30 phase of upper guide post in push pedal 23 and push pedal fixed plate 24, is provided with
Coordinate.There is upper guide post 30, push pedal 23 and push pedal fixed plate 24 is oriented to when moving up and down accurately.
Claims (1)
1. injection molding mould fixed die skew back top internal core-pulling mechanism, including upper compound plate（1）With lower compound plate（2）, arrange fixed in upper compound plate
Position circle（3）, under upper compound plate, cover half is set（4）, gate bush is set in cover half（5）, in lower compound plate（2）In be provided with perforation（6）, under
Support block is set on compound plate（7）, upper ejector retainner plate is set on the lower compound plate between support block（8）With lower ejector retainner plate（9）, injector push rod
（10）Through perforation（6）With lower ejector retainner plate（9）Contact, straight thimble is set on upper and lower ejector retainner plate（11）With dynamic model sideslip seat
（12）, dynamic model side slide is set on dynamic model sideslip seat（13）, dynamic model side slide connection dynamic model skew back thimble（14）, dynamic model skew back top
Convex tendon is formed with pin（15）, dynamic model is set on support block（16）, dynamic model and cover half（4）Between have the working of plastics of injection mo(u)lding
（17）, on working of plastics, it is formed with barb（18）With lower riser（19）, on lower riser, it is provided with hole clipping（20）, hole clipping and dynamic model skew back top
Pin（14）Convex tendon（15）It is engaged, it is characterised in that：Described cover half（4）In be formed with push pedal groove（21）With oblique guide hole（22）,
In push pedal groove, push pedal is set（23）With push pedal fixed plate（24）, push pedal and upper compound plate（1）Between spring is set（25）, push pedal and
In push pedal fixed plate, support bar is set（26）With cover half sideslip seat（27）, support bar lower end passes through cover half（4）With dynamic model（16）On
End contacts, and cover half side slide is arranged on cover half sideslip seat（28）, cover half side slide connection cover half skew back thimble（29）, cover half side
Oblique top pin passes through oblique guide hole（22）With working of plastics（17）Upper barb（18）It is engaged, in cover half（4）And dynamic model（16）Open
Meanwhile, spring（25）Push pedal is pushed down under restoring force effect（23）With push pedal fixed plate（24）, push pedal and push pedal fixed plate
Downwards with active and inactive mold sideslip seat（27）And support bar（26）, cover half sideslip seat is downwards with active and inactive mold side slide（28）With cover half skew back
Thimble（29）, make cover half skew back thimble and support bar（26）With dynamic model（16）Move downwardly together, due to cover half（4）Tiltedly lead
Hole（22）Remain stationary as, therefore cover half skew back thimble（29）While moving down, along oblique guide hole（22）Inside Slideslip,
Cover half skew back thimble is made first to deviate from working of plastics（17）Upper barb（18）, when cover half side slide（27）With push pedal groove（21）Bottom surface phase
During contact, push pedal（23）, push pedal fixed plate（24）, cover half side slide（27）, cover half skew back thimble（29）And support bar（26）Stop
Only move down, now mould continues die sinking, by injection machine push rod（10）Withstand upper and lower ejector retainner plate（8、9）Stop movement, above,
Lower ejector retainner plate withstands straight thimble（11）With dynamic model sideslip seat（12）Stop movement, the dynamic model skew back on straight thimble and dynamic model sideslip seat
Thimble（14）Withstand working of plastics（17）Stop movement, so that working of plastics abjection dynamic model（16）, modeling is withstood in dynamic model skew back thimble
While materials and parts abjection dynamic model, dynamic model is moved rearwards by, dynamic model（16）With dynamic model skew back thimble（14）Coordinate, make dynamic model skew back thimble
With dynamic model side slide（13）Inwardly Slideslip deviates from working of plastics（17）Hole clipping（20）, described upper compound plate（1）With cover half（4）It
Between upper guide post is set（30）, push pedal（23）With push pedal fixed plate（24）In be provided with guide hole（31）, upper guide hole and upper guide post（30）
It is engaged.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510215912.5A CN104842520B (en) | 2015-04-30 | 2015-04-30 | Injection molding mould fixed die skew back top internal core-pulling mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510215912.5A CN104842520B (en) | 2015-04-30 | 2015-04-30 | Injection molding mould fixed die skew back top internal core-pulling mechanism |
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| Publication Number | Publication Date |
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| CN104842520A CN104842520A (en) | 2015-08-19 |
| CN104842520B true CN104842520B (en) | 2017-04-05 |
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Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105643883A (en) * | 2015-12-30 | 2016-06-08 | 优力精密塑胶（苏州工业园区）有限公司 | Front and back mold inclined top release mold and machining method thereof |
| CN109080080A (en) * | 2018-08-06 | 2018-12-25 | 常州星宇车灯股份有限公司 | A kind of mold with thimble elder generation resetting-mechanism |
| CN108656463B (en) * | 2018-08-15 | 2023-09-15 | 奥克斯空调股份有限公司 | Straight ejection mechanism and injection mold |
| CN109940836A (en) * | 2019-04-17 | 2019-06-28 | 珀尔曼机电(昆山)有限公司 | A kind of preceding mould back-off core-pulling mechanism |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN203665861U (en) * | 2014-01-04 | 2014-06-25 | 新至升塑胶模具(深圳)有限公司 | Inclined ejection core-pulling device for injection mold |
| CN203779801U (en) * | 2014-02-24 | 2014-08-20 | 浙江凯华模具有限公司 | Fixed mold side core-pulling mechanism for injection mold |
| CN204701083U (en) * | 2015-04-30 | 2015-10-14 | 浙江凯华模具有限公司 | Injection molding mould fixed die skew back top internal core-pulling mechanism |
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Denomination of invention: Inner core pulling mechanism of fixed mold side inclined top of injection mold Effective date of registration: 20220704 Granted publication date: 20170405 Pledgee: Agricultural Bank of China Limited Taizhou Economic Development Zone sub branch Pledgor: ZHEJIANG KAIHUA MOULDS Co.,Ltd. Registration number: Y2022330001226 |