CN106182646B - A kind of secondary ejection structure of injection mold - Google Patents
A kind of secondary ejection structure of injection mold Download PDFInfo
- Publication number
- CN106182646B CN106182646B CN201610715569.5A CN201610715569A CN106182646B CN 106182646 B CN106182646 B CN 106182646B CN 201610715569 A CN201610715569 A CN 201610715569A CN 106182646 B CN106182646 B CN 106182646B
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- China
- Prior art keywords
- push plate
- plate
- dynamic model
- cover half
- fixed
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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
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- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Mechanical Engineering (AREA)
- Moulds For Moulding Plastics Or The Like (AREA)
Abstract
Secondary ejection structure in a kind of injection mold of the present invention, it is characterised in that：Including cover half component, dynamic model component, ejector member and mandril, shaping workpiece is used between the cover half component and dynamic model component, the ejector member is set on the dynamic model component, the ejector member is pushed to be moved on the dynamic model component by the mandril, is realized and eject the workpiece.Realize purpose simple and compact for structure, and not needing to increase the injection mold secondary ejection structure of stroke.
Description
Technical field
The present invention relates to a kind of injection mold structures, and in particular to the secondary ejection structure in a kind of injection mold.
Background technology
Under normal circumstances, product is removed from the molds, either using single or multicompartment ejecting mechanism, ejection is moved
All be once to complete, but for special shape product when, if after primary ejection, product people can not completely disengage
Mold or product fail to be detached from ejecting mechanism, this is, need hand ejection or need to increase the ejection of ejecting mechanism
Ejection system is changed to Double-ejection by stroke, this just prevents mold from preferably realizing automation and increasing mold
Design difficulty.
Common secondary ejection structure (such as application No. is the secondary ejection structures in 201210252372.4 patent) is big
Need to increase ejection stroke, this meeting deflecting increases the cost of mold production and processing more.
Invention content
It is a kind of simple and compact for structure it is a primary object of the present invention to provide, and do not need to increase the injection mold two of stroke
Secondary ejecting structure.
To achieve the above objectives, the technical solution adopted by the present invention is：A kind of secondary ejection structure in injection mold,
It is characterized in that：Including cover half component, dynamic model component, ejector member and mandril, it is used between the cover half component and dynamic model component
Shaping workpiece, the ejector member are set on the dynamic model component, and the ejector member is pushed described by the mandril
It is moved on dynamic model component, realizes and eject the workpiece；The ejector member includes a push plate, is fixed in a push plate
A push rod, secondary push plate the secondary push rod being fixed in the secondary push plate and is arranged on a push plate and institute
State the lock assembly between secondary push plate；The mandril, which starts to contact the lock assembly, up to be moved, at the lock assembly
In lock-out state, push a push plate is synchronous with the secondary push plate up to move, until described in push plate contact
Dynamic model component completes an ejection process；The lock assembly contacts the dynamic model component simultaneously, and enters unlocked state, institute
It states mandril continuation up to move, the lock assembly is pushed to move, and then the secondary push plate is pushed to move down, completed
Double-ejection process.
Preferably, the lock assembly includes solution lock slide, locking sliding block, locking spring and L-type block；The locking bullet
Spring is mounted on the locking sliding block, and the locking sliding block is mounted in the slot of a push plate, can be horizontally slipped, the solution
Lock slide is mounted on above the locking sliding block, can be slided up and down, and is inclined-plane between the solution lock slide and the locking sliding block
Contact, the L-type block are mounted in a push plate, can rotate in a certain range；Realize that the mandril starts to contact institute
L-type block is stated, the L-type block is locked by the locking sliding block, the L-type block locking secondary push plate, at the lock assembly
In lock-out state, after pushing that a push plate is synchronous with the secondary push plate and up moving a distance, the solution lock slide
Upper surface contacts the dynamic model component, and between the solution lock slide and the locking sliding block under the action of inclined-plane, the locking is slided
BOB(beginning of block) moves, and the locking spring is compressed, and the locking of the L-type block is released from, and the lock assembly enters unlocked state,
The mandril continuation up moves, and the L-type block rotates, and then the secondary push plate is pushed to move down.
As an improvement, the ejector member further includes a push plate fixed plate, secondary push plate fixed plate, sprue puller and push plate
Guide post；Push plate fixed plate is mounted on above a push plate, described secondary to push away for fixing a push rod
Plate fixed plate is mounted on above the secondary push plate, and for fixing the secondary push rod, the sprue puller is fixed on described primary
In push plate fixed plate, the push plate guide post is slidably disposed between a push plate and the secondary push plate.
Preferably, the solution lock slide can be slided up and down and is arranged in a push plate fixed plate.
Further, the lock assembly is two groups, and is oppositely arranged.
Preferably, the cover half component includes solid plate, cover half fixed plate, locating ring and sprue bush；The cover half is consolidated
Fixed board is fixed on above the solid plate, and there are one steps on the sprue bush, corresponding in the cover half fixed plate
Kong Zhong, and the solid plate is inserted into lower end, and the locating ring is fixed in the cover half fixed plate and compresses the cast gate
Set.
As further preferred, the dynamic model component includes moving platen, dynamic model guide post, core, dynamic model backing plate, cushion block and dynamic
Mould fixed plate；The dynamic model guide post passes through the moving platen and the dynamic model backing plate, and is slidably connected with the cover half component, institute
It states core to be arranged in the moving platen, the cushion block is arranged between the moving platen and the dynamic mould fixing plate, and described
Ejector member is between the moving platen and the dynamic mould fixing plate.
Compared with prior art, the advantage of the invention is that：Secondary ejection structure substantially transports the two-step ejecting of push rod
Turn turns to the rollback movement of secondary push rod, and a sky between push plate and dynamic mould fixing plate after primary release cleverly is utilized
Between.Such design can not only shorten stroke, but also the structure of mold is compacter, structure is relatively reliable.
Description of the drawings
Fig. 1 is dimensional structure diagram according to a preferred embodiment of the present invention；
Fig. 2 is half sectional view (and half sectional view during original state) according to a preferred embodiment of the present invention；
Fig. 3 is decomposition shape body schematic diagram according to a preferred embodiment of the present invention；
Fig. 4 is further decomposing state schematic diagram according to a preferred embodiment of the present invention；
Fig. 5 be according to a preferred embodiment of the present invention die opening state when half sectional view；
Fig. 6 is the enlarged view in Fig. 5 at A according to a preferred embodiment of the present invention；
Fig. 7 be according to a preferred embodiment of the present invention die opening state when lock assembly status diagram；
Fig. 8 is half sectional view when once ejecting state according to a preferred embodiment of the present invention；
Fig. 9 is the enlarged view in Fig. 8 at B according to a preferred embodiment of the present invention；
Figure 10 is the status diagram of lock assembly when once ejecting state according to a preferred embodiment of the present invention；
Figure 11 be according to a preferred embodiment of the present invention Double-ejection state when half sectional view；
Figure 12 is the enlarged view in Figure 11 at C according to a preferred embodiment of the present invention；
Figure 13 be according to a preferred embodiment of the present invention Double-ejection state when lock assembly status diagram.
Specific embodiment
It is described below to disclose the present invention so that those skilled in the art can realize the present invention.It is excellent in being described below
Embodiment is selected to be only used as illustrating, it may occur to persons skilled in the art that other obvious modifications.
As shown in figs. 1-13, one embodiment of the present of invention includes cover half component 1, dynamic model component 2, ejector member 3 and top
Bar 4 is set on dynamic model component 2 for shaping workpiece 5, ejector member 3 between cover half component 1 and dynamic model component 2, passes through mandril
4 promotion ejector members 3 move on dynamic model component 2, realize ejection workpiece 5.Specifically：
Cover half component 1 includes solid plate 14, cover half fixed plate 12, locating ring 11 and sprue bush 13；Cover half fixed plate 12 is solid
It is scheduled on the top of solid plate 14, there are one step on sprue bush 13, in cover half fixed plate 12 in corresponding hole, and lower end
Solid plate 14 is inserted into, locating ring 11 is fixed in cover half fixed plate 12 and compresses sprue bush 13.
Dynamic model component 2 includes moving platen 21, dynamic model guide post 23, core 22, dynamic model backing plate 24, cushion block 25 and dynamic mould fixing plate
26；Dynamic model guide post 23 passes through moving platen 21 and dynamic model backing plate 24, and is slidably connected with cover half component 1, and core 22 is arranged on dynamic model
In plate 21, cushion block 25 is arranged between moving platen 21 and dynamic mould fixing plate 26, and ejector member 3 is located at moving platen 21 and dynamic model is consolidated
Between fixed board 26.
Ejector member 3 is including a push plate 32, a push rod 34 being fixed in a push plate 32, secondary push plate 37, Gu
The secondary push rod 38 being scheduled in secondary push plate 37 and the lock assembly being arranged between a push plate 32 and secondary push plate 37
35；Mandril 4 starts contact lock assembly 35 and up moves, and lock assembly 35 is in the lock state, and pushes a push plate 32 and two
Secondary push plate 37, which synchronizes, up moves, until a push plate 32 contact dynamic model component 2, completes an ejection process；Lock assembly simultaneously
35 contact dynamic model components 2, and into unlocked state, mandril 4 continues up to move, and lock assembly 35 is pushed to move, and then
Secondary push plate 37 is pushed to move down, completes Double-ejection process.Ejector member 3 further includes a push plate fixed plate 31, secondary
Push plate fixed plate 36, sprue puller 33 and push plate guide post 39；Push plate fixed plate 31 is mounted on 32 top of a push plate, for solid
A fixed push rod 34, secondary push plate fixed plate 36 is mounted on 37 top of secondary push plate, for fixing secondary push rod 38, sprue puller 33
It is fixed in a push plate fixed plate 31, push plate guide post 39 is slidably disposed between a push plate 32 and secondary push plate 37.
Lock assembly 35 is two groups, and is oppositely arranged.
Lock assembly 35 includes solution lock slide 351, locking sliding block 352, locking spring 353 and L-type block 354；Locking spring
353 are mounted on locking sliding block 352, and locking sliding block 352 is mounted in the slot of a push plate 32, can be horizontally slipped, and solve lock slide
351 are mounted on 352 top of locking sliding block, can slide up and down, and solve between lock slide 351 and locking sliding block 352 as contact of incline plane, L
Type block 354 is mounted in a push plate 32, can be rotated in a certain range；Realize that mandril 4 starts to contact L-type block 354, L-type block
354 sliding blocks 352 that are locked are locked, and L-type block 354 locks secondary push plate 37, and lock assembly 35 is in the lock state, and promotion once pushes away
Plate 32 is synchronous with secondary push plate 37 up move a distance after, solution lock slide 351 upper surface contact dynamic model component 2 is unlocking
Between sliding block 351 and locking sliding block 352 under the action of inclined-plane, 352 setting in motion of locking sliding block compresses locking spring 353, L-type
The locking of block 354 is released from, and lock assembly 35 enters unlocked state, and mandril 4 continues up to move, and L-type block 354 rotates,
And then secondary push plate 37 is pushed to move down.
Basic principle, main feature and the advantages of the present invention of the present invention has been shown and described above.The technology of the industry
Personnel are it should be appreciated that the present invention is not limited to the above embodiments, and what is described in the above embodiment and the description is only the present invention
Principle, various changes and improvements may be made to the invention without departing from the spirit and scope of the present invention, these variation and
Improvement is both fallen in the range of claimed invention.The present invention claims protection domain by appended claims and its
Equivalent defines.
Claims (6)
1. a kind of secondary ejection structure in injection mold, it is characterised in that：Including cover half component, dynamic model component, ejector member
And mandril, between the cover half component and dynamic model component the dynamic model component is set to for shaping workpiece, the ejector member
On, the ejector member is pushed to be moved on the dynamic model component by the mandril, realize and eject the workpiece；
The ejector member includes a push plate, a push rod being fixed in a push plate, and secondary push plate is fixed on institute
State the secondary push rod in secondary push plate and the lock assembly being arranged between a push plate and the secondary push plate；Institute
It states mandril and starts to contact the lock assembly and up move, the lock assembly is in the lock state, and pushes a push plate
It is synchronous with the secondary push plate up to move, until a push plate contacts the dynamic model component, complete an ejection process；Together
Shi Suoshu lock assemblies contact the dynamic model component, and into unlocked state, and the mandril continuation is up moved, and pushes the lock
Only component moves, and then the secondary push plate is pushed to move down, completes Double-ejection process；
The lock assembly includes solution lock slide, locking sliding block, locking spring and L-type block；The locking spring is mounted on described
On locking sliding block, the locking sliding block is mounted in the slot of a push plate, can be horizontally slipped, and the solution lock slide is mounted on
It above the locking sliding block, can slide up and down, and be contact of incline plane between the solution lock slide and the locking sliding block, the L-type
Block is mounted in a push plate, can be rotated in a certain range；Realize that the mandril starts to contact the L-type block, the L
Type block is locked by the locking sliding block, and the L-type block locks the secondary push plate, and the lock assembly is in the lock state, pushes away
It is dynamic a push plate is synchronouss with the secondary push plate up move a distance after, described in the unlock upper end of slide block face contacts
Dynamic model component, between the solution lock slide and the locking sliding block under the action of inclined-plane, the locking sliding block setting in motion, by institute
Locking spring compression is stated, the locking of the L-type block is released from, and the lock assembly enters unlocked state, and the mandril continues past
Upper movement, the L-type block rotate, and then the secondary push plate is pushed to move down.
2. the secondary ejection structure in injection mold according to claim 1, it is characterised in that：The ejector member also wraps
Include a push plate fixed plate, secondary push plate fixed plate, sprue puller and push plate guide post；Push plate fixed plate is mounted on described
Above push plate, for fixing a push rod, the secondary push plate fixed plate is mounted on above the secondary push plate, is used
In the fixation secondary push rod, the sprue puller is fixed in a push plate fixed plate, and the push plate guide post is slidable
It is arranged between a push plate and the secondary push plate.
3. the secondary ejection structure in injection mold according to claim 2, it is characterised in that：It is described solution lock slide can on
Lower slider is arranged in a push plate fixed plate.
4. the secondary ejection structure in injection mold according to claim 3, it is characterised in that：The lock assembly is two
Group, and be oppositely arranged.
5. the secondary ejection structure in injection mold according to Claims 1-4 any claim, it is characterised in that：
The cover half component includes solid plate, cover half fixed plate, locating ring and sprue bush；The cover half fixed plate is fixed on the cover half
Above plate, there are one steps on the sprue bush, and in the cover half fixed plate in corresponding hole, and institute is inserted into lower end
Solid plate is stated, the locating ring is fixed in the cover half fixed plate and compresses the sprue bush.
6. the secondary ejection structure in injection mold according to Claims 1-4 any claim, it is characterised in that：
The dynamic model component includes moving platen, dynamic model guide post, core, dynamic model backing plate, cushion block and dynamic mould fixing plate；The dynamic model guide post is worn
The moving platen and the dynamic model backing plate are crossed, and is slidably connected with the cover half component, the core is arranged on the moving platen
Interior, the cushion block is arranged between the moving platen and the dynamic mould fixing plate, and the ejector member is located at the moving platen
Between the dynamic mould fixing plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610715569.5A CN106182646B (en) | 2016-08-20 | 2016-08-20 | A kind of secondary ejection structure of injection mold |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610715569.5A CN106182646B (en) | 2016-08-20 | 2016-08-20 | A kind of secondary ejection structure of injection mold |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106182646A CN106182646A (en) | 2016-12-07 |
| CN106182646B true CN106182646B (en) | 2018-06-15 |
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ID=57523670
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610715569.5A Active CN106182646B (en) | 2016-08-20 | 2016-08-20 | A kind of secondary ejection structure of injection mold |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106182646B (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109093955B (en) * | 2018-10-09 | 2023-07-18 | 深圳市合川智能科技有限公司 | Mold with three-time ejection mechanism and ejection method thereof |
| CN110303650B (en) * | 2019-06-27 | 2024-02-23 | 常州星宇车灯股份有限公司 | Mould secondary ejection frock |
| CN111823508A (en) * | 2020-08-01 | 2020-10-27 | 翟延峰 | Mould with fine adjusting function of ejector rod |
| CN112388902B (en) * | 2020-11-02 | 2022-03-15 | 王金祥 | Positioning method and jig for secondary injection molding of sliding seat |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0516151A (en) * | 1991-07-15 | 1993-01-26 | Toyoda Gosei Co Ltd | Push-up mechanism of mold |
| CN202021767U (en) * | 2010-11-15 | 2011-11-02 | 郑恬晨 | Mould and ejection mechanism thereof |
| CN102744840A (en) * | 2012-07-11 | 2012-10-24 | 宁波跃飞模具有限公司 | Secondary staged ejection device for injection mold |
-
2016
- 2016-08-20 CN CN201610715569.5A patent/CN106182646B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0516151A (en) * | 1991-07-15 | 1993-01-26 | Toyoda Gosei Co Ltd | Push-up mechanism of mold |
| CN202021767U (en) * | 2010-11-15 | 2011-11-02 | 郑恬晨 | Mould and ejection mechanism thereof |
| CN102744840A (en) * | 2012-07-11 | 2012-10-24 | 宁波跃飞模具有限公司 | Secondary staged ejection device for injection mold |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106182646A (en) | 2016-12-07 |
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