CN102529041A - Secondary ejection mechanism for mold - Google Patents
Secondary ejection mechanism for mold Download PDFInfo
- Publication number
- CN102529041A CN102529041A CN2012100066669A CN201210006666A CN102529041A CN 102529041 A CN102529041 A CN 102529041A CN 2012100066669 A CN2012100066669 A CN 2012100066669A CN 201210006666 A CN201210006666 A CN 201210006666A CN 102529041 A CN102529041 A CN 102529041A
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- Prior art keywords
- ejector retainner
- pin plate
- ejector pin
- retainner plate
- plate
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Abstract
The invention relates to a secondary ejection mechanism for a mold. The secondary ejection mechanism comprises a first ejector pin plate arranged on a lower fixed plate of the mold, a second ejector pin plate fixedly arranged on the first ejector pin plate, a first ejector rod and a second ejector rod, and also comprises an ejection block which penetrates through the lower fixed plate and extends into the first ejector pin plate, wherein the ejection block is connected with an ejector rod of an injection molding machine through a bolt, and the first ejector pin plate and the second ejector pin plate jointly forms a sliding cavity; the upper end part of the ejection block can be arranged in the sliding cavity in a vertical sliding manner, and when the ejection block slides to the uppermost end of the sliding cavity, the top surface of the ejection block is in contact with the second ejector pin plate in an ejection way; and the lower end part of the first ejector rod sequentially penetrates through the second ejector pin plate and the first ejector pin plate to be fixedly arranged on the ejection block, and the lower end part of the second ejector rod penetrates through the second ejector pin plate to be fixedly arranged at a connecting part of the second ejector pin plate and the first ejector pin plate. According to the secondary ejection mechanism, the components are few, the structure is very simple, the reduction in manufacturing cost is favorable, the processing and assembling period is shortened, and the maintenance is convenient.
Description
Technical field
the present invention relates to a kind of mould secondary ejecting mechanism.
Background technology
when the shape of finished product to be removed from mould special; Or the requirement during according to volume production; If after once ejecting, finished product is still in die cavity, or can't come off automatically the time; Just need to increase again and once eject action, such eject action and be secondary and eject.Secondary ejects to let and ejects smooth and easyization of flow process, for the bigger product of some ejection stroke demand, utilizes secondary to eject and can reduce the power that thimble applies when ejecting, and causes the defective of product when avoiding ejecting.
In
prior art, a lot of about the report of mould secondary ejecting mechanism and/or device, mainly contain the secondary ejecting mechanism that adopts the grab form; Adopt the secondary ejecting mechanism of resin shutter, adopt the secondary ejecting mechanism of form of springs, wherein; The secondary ejecting mechanism more complicated of grab form adopts the secondary ejecting mechanism easy abrasion of resin shutter, and it is little to eject easy inefficacy and ejecting force; The secondary ejecting mechanism that adopts form of springs is generally gone into son with single-unit activity and is done local secondary and eject; But spring is compressed the back owing to there is not starting power, can not eject synchronously with product, causes breaking of product to pull.
Chinese utility model patent ZL201020570358.5 discloses a kind of secondary ejecting mechanism that is applied to mould; It comprises first liftout plate; It is located on the bottom plate of mould, and this first liftout plate is provided with one first upper ejector plate and one first time liftout plate; Second liftout plate, it is located on the support bar of mould, and this second liftout plate is provided with one or two upper ejector plates and one second time liftout plate; One gag lever post, one of which end are located in above-mentioned second liftout plate, and the other end is located in the caster of mould, and this gag lever post is provided with a retaining portion; One control lever, one of which end are located in the bottom plate of mould, and the other end is located in above-mentioned second liftout plate, and the outer rim of this control lever is arranged with a resilient sleeve, and this resilient sleeve one end is located in above-mentioned first liftout plate, and the other end is located in the above-mentioned gag lever post.This kind structure is made up of four ejector retainner plates and the control lever that is used to control the die sinking order etc., and cost is higher, and the process-cycle is long, not easy care.
Summary of the invention
technical problem to be solved by this invention is the deficiency that overcomes prior art, provide a kind of simple in structure, cost is low, safeguard easy mould secondary ejecting mechanism.
For solving above technical problem, the present invention adopts following technical scheme:
a kind of mould secondary ejecting mechanism; It comprises first ejector retainner plate on the bottom plate that is arranged at mould and is fixed on second ejector retainner plate on first ejector retainner plate, second push rod that is used to carry out first push rod that ejects for the first time and is used to carry out eject for the second time; Particularly; Said secondary ejecting mechanism also comprises the angled slide block that passes bottom plate and stretch into first ejector retainner plate; This angled slide block is connected with the injection machine push rod through bolt, is formed with a sliding chamber on first ejector retainner plate and second ejector retainner plate jointly, and the upper end of angled slide block can slide up and down to be arranged in this cunning chamber; When angled slide block slides into the top in sliding chamber; The end face of angled slide block contacts with second ejector retainner plate mutually, and the bottom of said first push rod is passed second ejector retainner plate and first ejector retainner plate successively and is fixed on the angled slide block, and the bottom of second push rod is passed second ejector retainner plate and is fixed in the delivery position of second ejector retainner plate and first ejector retainner plate.
preferably, described bolt is positioned at angled slide block.The bottom of said first push rod is fixed on the upper end of bolt through grub screw.Bolt is the M16 bolt in a concrete embodiment, and grub screw is the M10 grub screw.
Because the enforcement of above technical scheme, the present invention compared with prior art has following advantage:
secondary ejecting mechanism of the present invention promotes angled slide block by the injection machine push rod and advances, and promotes first push rod simultaneously and advances, and realizes ejecting for the first time; Because the setting in sliding chamber, when ejecting for the first time, angled slide block contact with second ejector retainner plate, so second push rod does not eject when ejecting the first time, when angled slide block moved to the top in sliding chamber, the angled slide block and second ejector retainner plate contacted, and began secondary ejecting.Compare with existing secondary ejecting mechanism, parts of the present invention reduce, and structure is very simple, is beneficial to the reduction manufacturing cost, shorten the process and assemble cycle and maintain easily.
Description of drawings
Below in conjunction with accompanying drawing and concrete embodiment the present invention is done further detailed explanation:
Fig. 1 is in the sketch map when not ejecting state for mould secondary ejecting mechanism according to the present invention;
Fig. 2 ejects the sketch map in the process for the first time for the mould secondary ejecting mechanism of Fig. 1 is in;
Sketch map when Fig. 3 ejects for the mould secondary ejecting mechanism of Fig. 1 for the second time;
wherein: 1, bottom plate; 2, first ejector retainner plate; 3, second ejector retainner plate; 4, first push rod; 5, second push rod; 6, angled slide block; 7, bolt; 8, slide the chamber; 9, screw.
The specific embodiment
like Fig. 1 to shown in Figure 3, according to the mould secondary ejecting mechanism of present embodiment comprise on the bottom plate 1 that is arranged at mould first ejector retainner plate 2 be fixed on second ejector retainner plate 3 on first ejector retainner plate 2, first push rod 4, second push rod 5 and angled slide block 6.Wherein: angled slide block 6 is connected with injection machine push rod (not shown) through the M16 bolt 7 that is positioned at it, on the upper end of bolt 7, has fixed the bottom of second push rod 5 through M10 grub screw 9.Be formed with a sliding chamber 8 on first ejector retainner plate 4 and second ejector retainner plate 5 jointly; The upper end of angled slide block 6 can slide up and down to be arranged in this cunning chamber 8; When angled slide block 6 slides into the top in sliding chamber 8; The end face of angled slide block 6 contacts (as shown in Figure 3) mutually with second ejector retainner plate 3, and the bottom of second push rod 5 is passed second ejector retainner plate 3 and is fixed in the delivery position of second ejector retainner plate 3 and first ejector retainner plate 2.When the end face of angled slide block 6 contacted with second ejector retainner plate 3 mutually, second push rod 5 was ejected.
The operation principle of secondary ejecting mechanism of the present invention is following:
1, eject beginning after, the injection machine push rod promotes angled slide block 6 and advances, and promotes first push rod 4 simultaneously and advances, and ejects beginning for the first time, and is as shown in Figure 2.
2, because the existence of the stroke L of angled slide block 6, when ejecting for the first time, angled slide block 6 does not contact with first ejector retainner plate 2 and second ejector retainner plate 3, so second push rod 5 does not eject when first push rod 4 ejects.When extremely contacting with second ejector retainner plate 3 behind the angled slide block 6 range ability L, second push rod 5 is ejected, and just begins secondary ejecting, and is as shown in Figure 3.
are compared with existing secondary ejecting mechanism, and parts of the present invention reduce, and structure is very simple, low cost of manufacture, and the process and assemble cycle is short, safeguards simple and easy.
More than the present invention has been done detailed description; Its purpose is to let the personage that is familiar with this art can understand content of the present invention and implements; Can not limit protection scope of the present invention with this; All equivalences of doing according to spirit of the present invention change or modify, and all should be encompassed in protection scope of the present invention
Claims (4)
1. mould secondary ejecting mechanism; It comprises first ejector retainner plate (2) on the bottom plate (1) that is arranged at mould and is fixed on second ejector retainner plate (3) on said first ejector retainner plate (2), second push rod (5) that is used to carry out first push rod (4) that ejects for the first time and is used to carry out eject for the second time; It is characterized in that: said secondary ejecting mechanism also comprises the angled slide block (6) that passes said bottom plate (1) and stretch into said first ejector retainner plate (2); Described angled slide block (6) is connected with the injection machine push rod through bolt (7); Be formed with a sliding chamber (8) on said first ejector retainner plate (2) and said second ejector retainner plate (3) jointly; The upper end of described angled slide block (6) can slide up and down to be arranged in the said sliding chamber (8); When said angled slide block (6) slides into the top in said sliding chamber (8); The end face of said angled slide block (6) contacts with said second ejector retainner plate (3) mutually; The bottom of said first push rod (4) is passed said second ejector retainner plate (3) and first ejector retainner plate (2) successively and is fixed on the said angled slide block (6), and the bottom of said second push rod (5) is passed said second ejector retainner plate (3) and is fixed in the delivery position of said second ejector retainner plate (3) and said first ejector retainner plate (2).
2. mould secondary ejecting mechanism according to claim 1 is characterized in that: described bolt (7) is positioned at said angled slide block (6).
3. mould secondary ejecting mechanism according to claim 1 and 2 is characterized in that: the bottom of said first push rod (4) is fixed on the upper end of said bolt (7) through grub screw (9).
4. mould secondary ejecting mechanism according to claim 3 is characterized in that: described bolt (7) is the M16 bolt, and said grub screw (9) is the M10 grub screw.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012100066669A CN102529041A (en) | 2012-01-11 | 2012-01-11 | Secondary ejection mechanism for mold |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012100066669A CN102529041A (en) | 2012-01-11 | 2012-01-11 | Secondary ejection mechanism for mold |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102529041A true CN102529041A (en) | 2012-07-04 |
Family
ID=46337679
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012100066669A Pending CN102529041A (en) | 2012-01-11 | 2012-01-11 | Secondary ejection mechanism for mold |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102529041A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105835318A (en) * | 2016-05-19 | 2016-08-10 | 佛山市顺德区百年科技有限公司 | Die ejection mechanism |
| CN114407297A (en) * | 2022-01-13 | 2022-04-29 | 宁波市益普乐模塑有限公司 | Injection mold of automobile door plate and injection molding process thereof |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0363111A (en) * | 1989-08-01 | 1991-03-19 | Matsushita Electric Ind Co Ltd | Device for correcting balance in ejection of die |
| JPH10146867A (en) * | 1996-11-20 | 1998-06-02 | Honda Motor Co Ltd | Release device of injection mold |
| CN2848530Y (en) * | 2005-08-19 | 2006-12-20 | 佛山市顺德区汉达精密电子科技有限公司 | Secondary knockout structure of mould |
| CN201816162U (en) * | 2010-10-21 | 2011-05-04 | 苏州汉扬精密电子有限公司 | Secondary ejection mechanism |
| CN201895380U (en) * | 2010-12-20 | 2011-07-13 | 上海天海电子有限公司 | Simple secondary ejection structure |
| CN202428631U (en) * | 2012-01-11 | 2012-09-12 | 裕克施乐塑料制品（太仓）有限公司 | Secondary ejection mechanism for die |
-
2012
- 2012-01-11 CN CN2012100066669A patent/CN102529041A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0363111A (en) * | 1989-08-01 | 1991-03-19 | Matsushita Electric Ind Co Ltd | Device for correcting balance in ejection of die |
| JPH10146867A (en) * | 1996-11-20 | 1998-06-02 | Honda Motor Co Ltd | Release device of injection mold |
| CN2848530Y (en) * | 2005-08-19 | 2006-12-20 | 佛山市顺德区汉达精密电子科技有限公司 | Secondary knockout structure of mould |
| CN201816162U (en) * | 2010-10-21 | 2011-05-04 | 苏州汉扬精密电子有限公司 | Secondary ejection mechanism |
| CN201895380U (en) * | 2010-12-20 | 2011-07-13 | 上海天海电子有限公司 | Simple secondary ejection structure |
| CN202428631U (en) * | 2012-01-11 | 2012-09-12 | 裕克施乐塑料制品（太仓）有限公司 | Secondary ejection mechanism for die |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105835318A (en) * | 2016-05-19 | 2016-08-10 | 佛山市顺德区百年科技有限公司 | Die ejection mechanism |
| CN114407297A (en) * | 2022-01-13 | 2022-04-29 | 宁波市益普乐模塑有限公司 | Injection mold of automobile door plate and injection molding process thereof |
| CN114407297B (en) * | 2022-01-13 | 2022-12-27 | 宁波市益普乐模塑有限公司 | Injection mold of automobile door plate and injection molding process thereof |
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| PB01 | Publication | ||
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Application publication date: 20120704 |