CN106626281A - Lifter of injection mold and injection mold - Google Patents
Lifter of injection mold and injection mold Download PDFInfo
- Publication number
- CN106626281A CN106626281A CN201611234679.6A CN201611234679A CN106626281A CN 106626281 A CN106626281 A CN 106626281A CN 201611234679 A CN201611234679 A CN 201611234679A CN 106626281 A CN106626281 A CN 106626281A
- Authority
- CN
- China
- Prior art keywords
- oblique top
- slide block
- groove
- injection mold
- die
- 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
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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
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- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Mechanical Engineering (AREA)
- Moulds For Moulding Plastics Or The Like (AREA)
Abstract
The invention relates to the technical field of injection molding, in particular to a lifter of an injection mold and the injection mold, wherein the lifter comprises a lifter body, a driving part and a sliding block; the sliding block is arranged on the lifter body and is used for forming a reversing groove of an injection molding part; a slideway extending in the die opening/closing direction of the lifter is arranged on the lifter body; the sliding block is arranged in the slideway in a sliding manner; and the driving part is connected with the sliding block and is used for applying a demolding action force to the sliding block in a direction away from the reversing groove. When the demolding is needed, the driving part applies the demolding action force to the sliding block, so that the sliding block moves to the direction away from the reversing groove of the injection molding part, and then drives the lifter body to be separated from the injection molding part. After the sliding block and the driving part are arranged, the required motion distance of the lifter is reduced, and the interference between the lifter and other structures on the injection molding part does not easily occur, so that the demolding of the lifter is better realized.
Description
Technical field
The application is related to injection molding technology field, more particularly to a kind of oblique top and injection mold of injection mold.
Background technology
Moulding is component relatively conventional in product, because it has the advantages that light weight, intensity height, assembling capacity are strong
And it is widely used in multiple fields.
As shown in figure 1, this kind of moulding 10 is provided with back-off groove, and during injection production, the roof of moulding 10
Formed by the oblique top 11 of mould with the side wall for being laid with back-off groove.After moulding cooling shaping, need to remove oblique top 11
From so that the projection in oblique top 11 is withdrawn from back-off groove.But, in actual production process, can be with during 11 demoulding of oblique top
The part-structure of moulding 10 is interfered, ultimately result in oblique top 11 cannot the demoulding, now the projection in oblique top 11 cannot be from back-off groove
In withdraw from.It will be apparent that this cannot realize the production of moulding.For this purpose, designer can interfere by the way that adjustment is above-mentioned with oblique top 11
The position of structure is realizing the demoulding of oblique top 11 so that the structure with oblique top 11 on oblique top stripping direction apart from A more than falling
The depth B of catching groove so that will not be limited by the structure during oblique top demoulding.This kind of mode is present in aforementioned controlled structure
The not strict moulding of status requirement in, but the requirement of some moulding self structures is stricter, it is impossible to adjust aforementioned
The position of the structure that can interfere with oblique top 11.It will be apparent that the problem that the demoulding for now yet suffering from oblique top 11 cannot be realized.
The content of the invention
This application provides the oblique top and injection mold of a kind of injection mold, so that the demoulding of oblique top is better achieved.
The first aspect of the application provides a kind of oblique top of injection mold, and it includes oblique top body, drive division and setting
On the oblique top body, and for forming the slide block of the back-off groove of moulding, the oblique top body be provided with along it is described tiltedly
The slideway that the folding mould direction on top extends, the slide block is slidably arranged in the slideway；The drive division and the slide block phase
Even, the demoulding forces for applying to be moved along the direction away from the back-off groove to the slide block.
Preferably, the tail end of the slide block has the matched moulds active force of the die applying for being used to bear the injection mold
Acting surface, the matched moulds active force is used to drive the slide block near back-off groove forming position.
Preferably, the tail end bottom edge of the slide block is curved edge.
Preferably, the tail end of the slideway is provided with limiting section, is provided with interference part on the slide block, the interference part with
Distance between the limiting section in the glide direction of the slide block is more than or equal to the depth of the back-off groove, and both energy
Enough along the glide direction location fit.
Preferably, the limiting section is spherical limiting section, and the spherical limiting section is rolled with the corresponding face of the slide block
Coordinate.
Preferably, the corresponding face is cambered surface, and the cambered surface is extended on the interference part towards described spherical spacing
The side in portion.
Preferably, the slide block is that the less one end of cross-sectional area is used to be formed on step structure, and the slide block
The back-off groove.
Preferably, it is provided with the top of the oblique top body for overlapping what is coordinated with the die top of the injection mold
Oblique top hanging platform, the oblique top hanging platform includes the projection extended along the die sinking direction of the oblique top.
The second aspect of the application provides a kind of injection mold, its oblique top for including die and coordinating with the die,
The oblique top is the oblique top described in any of the above-described.
Preferably, the die has the driving arc edge for coordinating with the tail end of the slide block.
The technical scheme that the application is provided can reach following beneficial effect：
In oblique top provided herein, drive division can apply demoulding forces to slide block, accordingly, it would be desirable to during the demoulding,
Drive division to slide block applies demoulding forces so that slide block to the direction of the back-off groove away from moulding is moved, and is then driven again
Oblique top body departs from moulding.After arranging slide block and drive division, oblique top needs the distance of motion to reduce, also
It is not easy to interfere with the other structures on moulding, so as to the demoulding of oblique top is better achieved.
It should be appreciated that the general description of the above and detailed description hereinafter are only exemplary, this can not be limited
Application.
Description of the drawings
Fig. 1 is the cooperation schematic diagram of traditional oblique top and the moulding after shaping；
The tangent plane structural representation of the oblique top that Fig. 2 is provided by the embodiment of the present application；
The cooperation schematic diagram of the moulding after the oblique top that Fig. 3 is provided by the embodiment of the present application and shaping.
Reference：
10- mouldings；
11- oblique tops；
20- mouldings；
21- oblique top bodies；
211- oblique top hanging platforms；
22- drive divisions；
23- slide blocks；
231- interference parts；
24- limiting sections；
30- dies.
Accompanying drawing herein is merged in specification and constitutes the part of this specification, shows the enforcement for meeting the application
Example, and be used to explain the principle of the application together with specification.
Specific embodiment
Below by specific embodiment and combine accompanying drawing the application is described in further detail.
As shown in Figures 2 and 3, the embodiment of the present application provides a kind of oblique top of injection mold, and the oblique top can be used for adding
Back-off groove on work moulding 20, it includes oblique top body 21, drive division 22 and is arranged on oblique top body 21, and for being formed
The slide block 23 of the back-off groove of moulding 20.The slideway extended along the folding mould direction of oblique top is provided with oblique top body 21, it is sliding
Block 23 is slidably arranged in the slideway.Folding mould direction herein includes the die sinking direction and matched moulds direction of oblique top, molds direction
For oblique top away from the moulding 20 after shaping direction, matched moulds direction refers to other parts of the oblique top near injection mold, and
Form the direction of die cavity.Drive division 22 is connected with slide block 23, for applying along the direction away from back-off groove to move to slide block 23
Demoulding forces.That is, drive division 22 can with movable slider 23 away from the back-off groove being molded on moulding 20, with
The demoulding of moulding 20 is realized, the drive division 22 can be the structure such as spring or annular excellent power glue.
When above-mentioned injection mold works, first can be by driving internal contraction of the slide block 23 to slideway, with non-slipping block 23
Oblique top is hindered to move to specified location.After oblique top moves to specified location, the die 30 for driving injection mold is moved so that
Die 30 coordinates with oblique top, next can be carried out the injection operation of moulding 20.After the injection of moulding 20 is finished, can drive
Mavable module core 30 is moved, drive division 22 to slide block 23 apply driving force so that slide block 23 away from moulding 20 back-off groove, Ran Houzai
Whole oblique top is driven away from moulding 20, until oblique top will not occur in follow-up knockout course with the back-off groove of moulding 20
Till interference.Obviously, in this course, slide block 23 is relative to the actual mobile distance of back-off groove of moulding 20：Slide block
23 in the presence of drive division 22 relative to the displacement of slideway, with oblique top relative to moulding 20 displacement sum.
As shown in the above, arrange after slide block 23 and drive division 22, oblique top needs motion relative to moulding 20
Distance has reduced, and is also just not easy to interfere with the other structures on moulding 20, therefore avoids the need for by changing moulding
20 structure to realize injection moulding process in the demoulding, so as to the demoulding of oblique top is better achieved.
In a kind of embodiment, the slideway on above-mentioned oblique top body 21 can run through oblique top body 21, and the tail end of slide block 23 has
For bearing the acting surface of the matched moulds active force of the applying of die 30, the matched moulds active force is used to drive slide block 23 near back-off flute profile
Into position, the back-off groove forming position refers to the position for being molded back-off groove, and the position can be on oblique top body 21.
That is, the reset of slide block 23 can be just realized by driving die 30, the type of drive of slide block 23 is simplified with this.
It is possible to further the tail end bottom side of slide block 23 is set into curved edge.The tail end bottom side of slide block 23 refers to
Be that on the tail end of slide block 23, closer to the position of the bottom of oblique top, when die 30 is moved relative to oblique top, die 30 is first
Aforementioned acting surface on contact slipper 23, and then drive slide block 23 to reset so that slide block 23 is collectively forming down with oblique top body 21
The shaping position of catching groove.Obviously, after using above-mentioned curved edge, aforesaid acting surface will appear as arc acting surface, with this more
Slide block 23 is driven to reset well.
In order to limit the motion amplitude of slide block 23, limiting section 24 can be set in the tail end of the slideway of oblique top body 21, it is sliding
Interference part 231 is provided with block 23, the distance between the interference part 231 and limiting section 24 in the glide direction of slide block 23 is more than
Or equal to the depth of back-off groove, to ensure the restriction in the unrestricted position portion 24 before back-off groove is departed from of slide block 23, and then successfully
Deviate from from back-off groove；Meanwhile, limiting section 24 can be along the direction of motion location fit of slide block 23, with this with interference part 231
Move distance of the slide block 23 in the presence of drive division 22 is limited, anti-limited slip block 23 is deviate from from slideway.
Above-mentioned limiting section 24 can adopt spherical limiting section, and the spherical limiting section is rolled with the corresponding face of slide block 23 matches somebody with somebody
Close, the abrasion between limiting section 24 and slide block 23 is alleviated with this.In addition, being used to be rolled with limiting section 24 phase for coordinating on slide block 23
Corresponding surface could be arranged to cambered surface, and the cambered surface is extended to towards the side of spherical limiting section on interference part 231, to improve slide block 23
Stability during motion.
In order to improve the structural strength of slide block 23, slide block 23 can be set to transversal on step structure, and slide block 23
Area less one end in face is used to form the back-off groove of moulding 20.It is arranged such suitably increase on slide block 23 and matches somebody with somebody with slideway
The cross-sectional area of the part of conjunction so that this part has higher structural strength.It should be noted that cross section herein refers to
, perpendicular to the section of the glide direction of slide block 23.
Preferably, the top of oblique top body 21 is provided with for overlapping the oblique top hanging platform 211 for coordinating with the top of die 30,
The oblique top hanging platform 211 includes the projection extended along the die sinking direction of oblique top.After the oblique top hanging platform 211 is set, on die 30
Position for coordinating with the oblique top hanging platform 211 just arranges fluted, the groove can to slide block 23 falling away from moulding 20
Catching groove this process plays avoidance effect, better ensures that slide block 23 smoothly departs from back-off groove.
Based on said structure, the embodiment of the present application also provides a kind of injection mold, and the injection mold is including die 30 and tiltedly
Top, the oblique top can be engaged with die 30, and this oblique top can adopt the oblique top described by any of the above-described embodiment.
Reset to be stably driven with slide block 23, the drive coordinated with the tail end of slide block 23 can be provided on die 30
Dynamic arc edge, so that effect between the two is more steady.When aforesaid oblique top hanging platform 211 is set on oblique top body 21 with
Afterwards, the arc edge that drives of slide block 23 is engaged with the bottom surface of oblique top hanging platform 211, avoids sealing face from going out as drive surface using this
Now damage and run burr this defect.Meanwhile, after adopting the structure, oblique top hanging platform 211 can also be supported by die 30, and then
Prevent oblique top from occurring in injection moulding process, the crudy of moulding 20 is improved with this.
The preferred embodiment of the application is the foregoing is only, the application is not limited to, for the skill of this area
For art personnel, the application can have various modifications and variations.It is all within spirit herein and principle, made any repair
Change, equivalent, improvement etc., should be included within the protection domain of the application.
Claims (10)
1. a kind of oblique top of injection mold, it is characterised in that including oblique top body, drive division and be arranged on the oblique top body
On, and for forming the slide block of the back-off groove of moulding, the oblique top body is provided with the folding mould direction along the oblique top
The slideway of extension, the slide block is slidably arranged in the slideway；The drive division is connected with the slide block, for the cunning
Block applies the demoulding forces along the direction movement away from the back-off groove.
2. oblique top according to claim 1, it is characterised in that the tail end of the slide block has for bearing the injection mould
The acting surface of the matched moulds active force that the die of tool applies, the matched moulds active force is used to drive the slide block to be formed near back-off groove
Position.
3. oblique top according to claim 2, it is characterised in that the tail end bottom edge of the slide block is curved edge.
4. oblique top according to claim 1, it is characterised in that the tail end of the slideway is provided with limiting section, the slide block
On be provided with interference part, the distance between the interference part and the limiting section in the glide direction of the slide block is more than or waits
In the depth of the back-off groove, and both can be along the glide direction location fit.
5. oblique top according to claim 4, it is characterised in that the limiting section is spherical limiting section, described spherical spacing
Portion rolls with the corresponding face of the slide block and coordinates.
6. oblique top according to claim 5, it is characterised in that the corresponding face is cambered surface, the cambered surface extends to institute
State on interference part towards the side of the spherical limiting section.
7. oblique top according to claim 1, it is characterised in that the slide block is horizontal on step structure, and the slide block
The less one end of area of section is used to form the back-off groove.
8. the oblique top according to any one of claim 1-7, it is characterised in that be provided with use at the top of the oblique top body
In the oblique top hanging platform that the die top overlap joint with the injection mold coordinates, the oblique top hanging platform includes opening along the oblique top
The projection that mould direction extends.
9. a kind of injection mold, it is characterised in that including die and the oblique top coordinated with the die, the oblique top will for right
Seek the oblique top any one of 1-8.
10. injection mold according to claim 9, it is characterised in that the die has for the tail with the slide block
The driving arc edge that end coordinates.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611234679.6A CN106626281A (en) | 2016-12-28 | 2016-12-28 | Lifter of injection mold and injection mold |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611234679.6A CN106626281A (en) | 2016-12-28 | 2016-12-28 | Lifter of injection mold and injection mold |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106626281A true CN106626281A (en) | 2017-05-10 |
Family
ID=58832242
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611234679.6A Pending CN106626281A (en) | 2016-12-28 | 2016-12-28 | Lifter of injection mold and injection mold |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106626281A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108859001A (en) * | 2018-08-10 | 2018-11-23 | 三威实业（珠海）有限公司 | A kind of injection mold |
| CN113334702A (en) * | 2021-04-27 | 2021-09-03 | 宁波方正汽车模具股份有限公司 | Small-space back-off demoulding mechanism |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20100047500A1 (en) * | 2006-11-01 | 2010-02-25 | Canon Kabushiki Kaisha | Injection molding process, resin molded product and mold |
| CN102101348A (en) * | 2009-12-18 | 2011-06-22 | 浙江凯华模具有限公司 | Inner-pulling ejection mechanism for plastic bumper |
| CN204844740U (en) * | 2015-06-09 | 2015-12-09 | 东莞秦汉汽车模具技术有限公司 | Play pin type mechanism of loosing core |
| CN205395029U (en) * | 2016-02-29 | 2016-07-27 | 台州市黄岩坤泰模具有限公司 | Injection mold mechanism of loosing core in top to one side |
| CN206297113U (en) * | 2016-12-28 | 2017-07-04 | 深圳天珑无线科技有限公司 | The oblique top and injection mold of injection mold |
-
2016
- 2016-12-28 CN CN201611234679.6A patent/CN106626281A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20100047500A1 (en) * | 2006-11-01 | 2010-02-25 | Canon Kabushiki Kaisha | Injection molding process, resin molded product and mold |
| CN102101348A (en) * | 2009-12-18 | 2011-06-22 | 浙江凯华模具有限公司 | Inner-pulling ejection mechanism for plastic bumper |
| CN204844740U (en) * | 2015-06-09 | 2015-12-09 | 东莞秦汉汽车模具技术有限公司 | Play pin type mechanism of loosing core |
| CN205395029U (en) * | 2016-02-29 | 2016-07-27 | 台州市黄岩坤泰模具有限公司 | Injection mold mechanism of loosing core in top to one side |
| CN206297113U (en) * | 2016-12-28 | 2017-07-04 | 深圳天珑无线科技有限公司 | The oblique top and injection mold of injection mold |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108859001A (en) * | 2018-08-10 | 2018-11-23 | 三威实业（珠海）有限公司 | A kind of injection mold |
| CN108859001B (en) * | 2018-08-10 | 2024-03-22 | 三威实业（珠海）有限公司 | Injection mold |
| CN113334702A (en) * | 2021-04-27 | 2021-09-03 | 宁波方正汽车模具股份有限公司 | Small-space back-off demoulding mechanism |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| 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 | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20170510 |