CN103552218A - Double ejection mechanism - Google Patents
Double ejection mechanism Download PDFInfo
- Publication number
- CN103552218A CN103552218A CN201310537065.5A CN201310537065A CN103552218A CN 103552218 A CN103552218 A CN 103552218A CN 201310537065 A CN201310537065 A CN 201310537065A CN 103552218 A CN103552218 A CN 103552218A
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- CN
- China
- Prior art keywords
- ejector retainner
- plate group
- retainner plate
- ejecting mechanism
- secondary ejecting
- 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 discloses a double ejection mechanism. The double ejection mechanism comprises at least two ejector pin plates, an ejection mechanism and a spacing mechanism; the at least two ejector pin plates comprise an upper ejector pin plate group and a lower ejector pin plate group which are respectively fixed together; the ejection mechanism is connected below the upper ejector pin plate group; the spacing mechanism comprises a spacing column; the upper end of the spacing column is fixed on the lower ejector pin plate group, and slides upward so as to penetrate through the upper ejector pin plate group; the upper end of the spacing column is provided with a clamping table; an elastic element is arranged between the clamping table and the upper ejector pin plate group. The double ejection mechanism provided by the invention has the characteristics of high reliability, low assembling requirement, easiness in assembling and regulating and shortened acting time. The double ejection mechanism provided by the invention can be used for a large mold.
Description
Technical field
The present invention relates to a kind of use should be in the secondary ejecting mechanism of mould.
Background technology
At present, some products are in design, and need to use mould to eject for 2 times just can be conveniently stripped.Existing secondary ejecting mechanism adopts the active force because of shutter to keep four top boards to eject together, and when ejecting a segment distance constantly, limited post is encountered male model plate, stops twice top board below to continue to eject.But use the secondary ejecting mechanism of existing shutter, exist easy to wear, eject the shortcomings such as easy inefficacy, ejection stroke be short.
Summary of the invention
The present invention is intended at least solve one of technical problem existing in prior art.
For addressing the above problem, the present invention proposes a kind of secondary ejecting mechanism, comprising: at least two ejector retainner plates, and described at least two ejector retainner plates are divided into upper ejector retainner plate group and the lower ejector retainner plate group being fixed together separately; Jacking mechanism, described jacking mechanism is connected to the below of described upper ejector retainner plate group; Position-limit mechanism, described position-limit mechanism comprises limited post, and in the fixing described lower ejector retainner plate group in described limited post upper end, upward sliding is through upper ejector retainner plate group, and its upper end is provided with Ka Tai, between Ka Tai and upper ejector retainner plate group, is provided with elastic component.
Use the mould of secondary ejecting mechanism of the present invention after injection moulding, jacking mechanism upwards withstands ejector retainner plate group and lower ejector retainner plate group, and now due to the effect of elastic component, upper ejector retainner plate group and lower ejector retainner plate group move upward simultaneously.When stroke is to L time, male model plate is encountered in limited post upper end, stops moving up, lower ejector retainner plate group is fixed on the lower end of limited post, stops rising, now the jacking mechanism application of force upwards still, elastic component is compacted, and upper ejector retainner plate group continues to rise, and reaches the object ejecting for twice.Because the distance between limited post and male model plate is easier to adjust, therefore opening stroke is longer for the first time.In addition, from the structure of secondary ejecting mechanism of the present invention, the present invention have reliability strong, assemble feature less demanding, that easily assemble and regulate and shorten action time.Secondary ejecting mechanism of the present invention can be used for large mold.
In addition, according to secondary ejecting mechanism of the present invention, also there is following additional technical feature:
Preferably, described ejector retainner plate is 4, above two ejector retainner plates be upper ejector retainner plate group, below two ejector retainner plates be lower ejector retainner plate group.Further preferred, described upper ejector retainner plate group and lower ejector retainner plate group are fixed with bolt respectively.
Preferably, described jacking mechanism comprises the jacking block that is connected to ejector retainner plate group below, and jacking block is connected with top rod.
Preferably, described elastic component is spring.Further preferred, described spring is that length is 40mm.
Preferably, limited post upper end is male model plate, and male model plate lower surface is provided with the groove corresponding with described card platform.Further preferred, the degree of depth of described groove is 2-3mm.
Additional aspect of the present invention and advantage in the following description part provide, and part will become obviously from the following description, or recognize by practice of the present invention.
Accompanying drawing explanation
Above-mentioned and/or additional aspect of the present invention and advantage accompanying drawing below combination obviously and is easily understood becoming the description of embodiment, wherein:
Fig. 1 is the structural representation of a kind of secondary ejecting mechanism of the present invention.
description of reference numerals:
Upper ejector retainner plate group 1, lower ejector retainner plate group 2, jacking block 3, limited post 4, card platform 5, spring 6, bolt 7, male model plate 8, groove 9.
The specific embodiment
Describe embodiments of the invention below in detail, the example of described embodiment is shown in the drawings, and wherein same or similar label represents same or similar element or has the element of identical or similar functions from start to finish.Below by the embodiment being described with reference to the drawings, be exemplary, only for explaining the present invention, and can not be interpreted as limitation of the present invention.
In description of the invention, unless otherwise prescribed and limit, it should be noted that, term " installation ", " being connected ", " connection " should be interpreted broadly, for example, can be mechanical connection or electrical connection, can be also the connection of two element internals, can be to be directly connected, also can indirectly be connected by intermediary.For the ordinary skill in the art, can understand as the case may be the concrete meaning of above-mentioned term.
Below with reference to Fig. 1, describe according to a kind of secondary ejecting mechanism of the embodiment of the present invention.As shown in Figure 1, secondary ejecting mechanism of the present invention comprises ejector retainner plate group 1, lower ejector retainner plate group 2, jacking mechanism and position-limit mechanism, specifically comprises 4 ejector retainner plates, jacking block 3, limited post 4, card platform 5, spring 6, bolt 7, male model plate 8 and groove 9.
4 ejector retainner plates are divided into upper ejector retainner plate group 1 and the lower ejector retainner plate group 2 being fixed together separately; Jacking mechanism is connected to the below of described upper ejector retainner plate group 1; Position-limit mechanism comprises limited post 4, and in the fixing described lower ejector retainner plate group 2 in described limited post 4 upper ends, upward sliding is through upper ejector retainner plate group 1, and its upper end is provided with card platform 5, between card platform 5 and upper ejector retainner plate group 1, is provided with elastic component.
Use the mould of secondary ejecting mechanism of the present invention after injection moulding, jacking mechanism upwards withstands ejector retainner plate group 1 and lower ejector retainner plate group 2, and now due to the effect of elastic component, upper ejector retainner plate group 1 and lower ejector retainner plate group 2 move upward simultaneously.When stroke is to L time, male model plate 8 is encountered in limited post 4 upper ends, stops moving up, lower ejector retainner plate group 2 is fixed on the lower end of limited post 4, stops rising, now the jacking mechanism application of force upwards still, elastic component is compacted, and upper ejector retainner plate group 1 continues to rise, and reaches the object ejecting for twice.Because the distance between limited post 4 and male model plate 8 is easier to adjust, therefore opening stroke is longer for the first time.In addition, from the structure of secondary ejecting mechanism of the present invention, the present invention have reliability strong, assemble feature less demanding, that easily assemble and regulate and shorten action time.Secondary ejecting mechanism of the present invention can be used for large mold.
Particularly, in 4 ejector retainner plates, above two ejector retainner plates are upper ejector retainner plate group 1, below two ejector retainner plates be lower ejector retainner plate group 2.Secondary ejecting mechanism of the present invention like this has the ejector retainner plate quantity of secondary ejecting mechanism consistent with conventional.For two ejector retainner plates in fixing same ejector retainner plate group, upper ejector retainner plate group 1 and lower ejector retainner plate group 2 are fixing with bolt 7 respectively.
Jacking mechanism comprises the jacking block 3 that is connected to ejector retainner plate group 1 below, and jacking block 3 is connected with top rod.The height of described jacking block 3 is consistent with the height of lower ejector retainner plate group 2.Jacking block 3 belows are also provided with the KO hole being opened on mould bottom plate, and KO bore dia is 30mm.
Described elastic component is spring 6.Further preferred, described spring 6 for length be 40mm.
According to an example of the present invention, limited post 4 upper ends are male model plate 8, and male model plate 8 lower surfaces are provided with the groove 9 corresponding with described card platform 5.Further preferred, the degree of depth of described groove 9 is 2-3mm.The size that the size of opening stroke L ratio needs like this, is for the first time 2-3mm greatly at least.
In the description of this description, the description of reference term " embodiment ", " example " or " some examples " etc. means to be contained at least one embodiment of the present invention or example in conjunction with specific features, structure, material or the feature of this embodiment or example description.In this manual, the schematic statement of above-mentioned term is not necessarily referred to identical embodiment or example.And the specific features of description, structure, material or feature can be with suitable mode combinations in any one or more embodiment or example.
Although illustrated and described embodiments of the invention, those having ordinary skill in the art will appreciate that: in the situation that not departing from principle of the present invention and aim, can carry out multiple variation, modification, replacement and modification to these embodiment, scope of the present invention is limited by claim and equivalent thereof.
Claims (8)
1. a secondary ejecting mechanism, is characterized in that, comprising:
At least two ejector retainner plates, described at least two ejector retainner plates are divided into upper ejector retainner plate group and the lower ejector retainner plate group being fixed together separately;
Jacking mechanism, described jacking mechanism is connected to the below of described upper ejector retainner plate group;
Position-limit mechanism, described position-limit mechanism comprises limited post, and in the fixing described lower ejector retainner plate group in described limited post upper end, upward sliding is through upper ejector retainner plate group, and its upper end is provided with Ka Tai, between Ka Tai and upper ejector retainner plate group, is provided with elastic component.
2. secondary ejecting mechanism according to claim 1, is characterized in that, described ejector retainner plate is 4, above two ejector retainner plates be upper ejector retainner plate group, below two ejector retainner plates be lower ejector retainner plate group.
3. secondary ejecting mechanism according to claim 2, is characterized in that, described upper ejector retainner plate group and lower ejector retainner plate group are fixed with bolt respectively.
4. secondary ejecting mechanism according to claim 1, is characterized in that, described jacking mechanism comprises the jacking block that is connected to ejector retainner plate group below, and jacking block is connected with top rod.
5. secondary ejecting mechanism according to claim 1, is characterized in that, described elastic component is spring.
6. secondary ejecting mechanism according to claim 5, is characterized in that, described spring is that length is 40mm.
7. secondary ejecting mechanism according to claim 1, is characterized in that, described limited post upper end is male model plate, and male model plate lower surface is provided with the groove corresponding with described card platform.
8. secondary ejecting mechanism according to claim 7, is characterized in that, the degree of depth of described groove is 2-3mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310537065.5A CN103552218A (en) | 2013-11-04 | 2013-11-04 | Double ejection mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310537065.5A CN103552218A (en) | 2013-11-04 | 2013-11-04 | Double ejection mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN103552218A true CN103552218A (en) | 2014-02-05 |
Family
ID=50006655
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310537065.5A Pending CN103552218A (en) | 2013-11-04 | 2013-11-04 | Double ejection mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103552218A (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH07237224A (en) * | 1994-02-28 | 1995-09-12 | Nippon Plast Co Ltd | Two-stage ejector for injection molding |
| CN200960706Y (en) * | 2006-10-31 | 2007-10-17 | 佛山市顺德区汉达精密电子科技有限公司 | Die with secondary liftout mechanism |
| CN102039642A (en) * | 2009-10-23 | 2011-05-04 | 浙江亨达塑料模具有限公司 | Secondary ejection mechanism of car rearview mirror hull |
| CN201824534U (en) * | 2010-10-29 | 2011-05-11 | 深圳市兆威机电有限公司 | Secondary ejecting mechanism for ball mold |
| CN203543031U (en) * | 2013-11-04 | 2014-04-16 | 昆山顺康达工业产品设计有限公司 | Two-time ejection mechanism |
-
2013
- 2013-11-04 CN CN201310537065.5A patent/CN103552218A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH07237224A (en) * | 1994-02-28 | 1995-09-12 | Nippon Plast Co Ltd | Two-stage ejector for injection molding |
| CN200960706Y (en) * | 2006-10-31 | 2007-10-17 | 佛山市顺德区汉达精密电子科技有限公司 | Die with secondary liftout mechanism |
| CN102039642A (en) * | 2009-10-23 | 2011-05-04 | 浙江亨达塑料模具有限公司 | Secondary ejection mechanism of car rearview mirror hull |
| CN201824534U (en) * | 2010-10-29 | 2011-05-11 | 深圳市兆威机电有限公司 | Secondary ejecting mechanism for ball mold |
| CN203543031U (en) * | 2013-11-04 | 2014-04-16 | 昆山顺康达工业产品设计有限公司 | Two-time ejection mechanism |
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| C06 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20140205 |