CN202412627U - Accelerated ejection device of ejector rod - Google Patents
Accelerated ejection device of ejector rod Download PDFInfo
- Publication number
- CN202412627U CN202412627U CN2012200293282U CN201220029328U CN202412627U CN 202412627 U CN202412627 U CN 202412627U CN 2012200293282 U CN2012200293282 U CN 2012200293282U CN 201220029328 U CN201220029328 U CN 201220029328U CN 202412627 U CN202412627 U CN 202412627U
- Authority
- CN
- China
- Prior art keywords
- jacking block
- sled
- push rod
- holder
- steel
- 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.)
- Expired - Fee Related
Links
Images
Landscapes
- Moulds For Moulding Plastics Or The Like (AREA)
Abstract
The utility model provides an accelerated ejection device of an ejector rod. The accelerated ejection device is characterized by comprising a prying top block (1), fixing seats (2), the ejector rod (3) and a pin shaft (4); the two fixing seats (2) are located on the front side surface and the rear side surface of the prying top block (1) and rotationally connected in series by the pin shaft (4) passing through a rotating shaft hole of each fixing seat (2) and an axle hole of the prying top block (1); a fixed shaft (31) on the bottom part of the ejector rod (3) is inserted into a cross groove slide rail (11) of the prying top block (1) in a sliding manner; the fixing seats (2) are connected on a top plate (02) of a die by an inner hexagon screw; a cylindrical steel lifting pin (5) protruding downwards is fixedly arranged under a movable die carrier plate (03) of the die, corresponding to the right upper part of a high step section of the prying top block (1), and a cylindrical steel resetting pin (6) protruding upwards is fixedly arranged on a base plate (01) of the die, corresponding to the right lower part of the high step section of the prying top block (1).
Description
Technical field
The utility model relates to a kind of demoulding ejecting mechanism of injection molding, specifically is meant when being applied in the demoulding to eject two-stage stroke, and promptly first section is ejection stroke at the uniform velocity, and second section is quickened liftout attachment for a kind of push rod in the injection mold that quickens ejection stroke.
Background technology
Some injecting products requires injection mold to possess the demoulding functions of two sections ejection strokes; Let a secondary mould when the demoulding, realize the function of two sections ejection strokes; Prior art has two kinds of methods: a kind of method is the many top boards scheme that increases liftout plate; And set up secondary ejecting mechanism, this scheme existence needs to increase the quantity of liftout plate, makes the deficiency that the die shape size increases, die cost increases; Another kind method is to use system push rod accelerated ejection mechanism, like the AKO in the DME standard component (Accelerated knock-outs) mechanism.The AKO mechanism scheme adopts the mechanical lever principle, and during the demoulding, top board promotes AKO mechanism lever, and the push rod that the end promotion of lever is in contact with it is at the uniform velocity mobile forward, and push rod pushes goods and breaks away from dynamic model, accomplishes first section at the uniform velocity ejection stroke; When top board moved closer to the dynamic model frame, the ejector pin that is located at the dynamic model bottom pushed the other end of AKO mechanism lever, prizes push rod and moves to preacceleration, quickens ejection stroke thereby accomplish second section, quickened to promote goods and came off.Because AKO mechanism lever and push rod have and buckle extension and be not connected, and make resetting of push rod can not lean on the homing action of liftout plate to accomplish, and to push rod be pushed back the (see figure 7) that resets when the matched moulds backhaul by cover half.This has just limited to the scope of application of AKO mechanism, and push rod can only be arranged on the plastic edge and eject goods, and can not be used for ejecting the goods (see figure 8) from goods inside.Therefore, there are the problems and shortcomings that body is big, cost is high, the scope of application is limited in prior art.
Summary of the invention
Deficiency to above-mentioned prior art existence; The utility model adopts the device that is made up of sled jacking block, holder, push rod, pivot pin, during application, this device is arranged on the top board of mould; And correspondence is provided with ejector pin below the dynamic model support plate of mould; Correspondence is provided with return pin on the base plate of mould, when ejecting, is undertaken first section by this device of top board promotion drive push rod pushing tow goods earlier and at the uniform velocity ejects; Push the sled jacking block by ejector pin again and prize push rod carries out second section acceleration ejection device to goods technical scheme; Provide a kind of push rod to quicken liftout attachment, be intended to, make two sections ejecting mechanisms of injection mold reach the purpose of dwindling body, reducing cost, widening the scope of application through cross slide rail ways of connecting.
The purpose of the utility model is achieved in that a kind of push rod quickens liftout attachment, comprises sled jacking block, holder, push rod, pivot pin, wherein: on one side the block steel components that described sled jacking block is upturned for one side level; Along long limit, the top and bottom on the left side at sled jacking block center are parallel to each other and level, are called low platform section; The top and bottom on the right at sled jacking block center are parallel to each other and are upturned and are behind the slope level of transferring into again, are called high platform section; The center line along long limit, the left surface of the low platform section of sled jacking block with above be provided with criss-cross cross recess slide rail; The middle part of former and later two sides of sled jacking block is provided with the axis hole of a circle that runs through;
Described holder is the rectangular elements of steel; The center line along long limit; Be provided with above the holder two symmetries, vertically downward be through to the bottom the deep gouge screw; The bottom at former and later two centers, side of holder is provided with a shaft hole that runs through the circle of former and later two sides, and the following height of the centre-to-centre spacing holder of said shaft hole equates with the following height of the said low platform section of the centre-to-centre spacing sled jacking block of the said axis hole of sled jacking block;
Described push rod is that the bottom is provided with the columniform steel part by two parallel table tops of axis symmetry, is fixed with a dead axle through the columniform steel of two table tops perpendicular to said table top;
Described pivot pin is the columniform member of steel;
Two fixed seatings are in the two sides, front and back of sled jacking block, and the shaft hole that passes holder with pivot pin turns them with the axis hole of prizing jacking block and is chained together, and the said dead axle of push rod bottom slides and inserts in the cross recess slide rail of prizing jacking block; Holder is connected on the top board of mould with hexagon socket head cap screw, below the dynamic model support plate of mould,, fixedly installs that protrude, the columniform ejector pin of steel downwards corresponding to the upper right side of the said high platform section of prizing jacking block; On the base plate of mould, the lower right corresponding to the said high platform section of prizing jacking block fixedly installs a columniform return pin of steel protruding upward;
The direction face of structure representation is divided into the up, down, left, right, before and after face, and wherein, the front is the face in the face of institute's statement main body, is the face relative with said front at the back.
Operation principle
During application, mould is horizontal installation, and the above-below direction that structure is described is the fore-and-aft direction of job description.
During the demoulding, the mould die sinking, top board promote the sled jacking block and push rod at the uniform velocity mobile forward, return pin break away from the sled jacking block high platform section stick up the bottom, push rod pushing tow goods break away from dynamic mould core, accomplish first section at the uniform velocity ejection stroke; When top board moves closer to the dynamic model support plate; Be located at ejector pin below the dynamic model support plate push the sled jacking block high platform section stick up the top, the rotation of sled jacking block, the cross recess slide rail of sled jacking block prizes push rod and moves to preacceleration; Thereby accomplish the stroke that second section acceleration ejects, quicken to promote goods and come off.
When resetting, the mould matched moulds, top board is return to the base plate direction; Drive the push rod rollback; Sled jacking block and ejector pin disengage, and when top board moves closer to base plate, are positioned at return pin on the base plate and touch bottom the sticking up of high platform section of sled jacking block; Sled jacking block spinning reduction, the cross recess slide rail pulling dead axle of sled jacking block forces rams retracted to reset.
Beneficial effect
This device also has and flexibly connects, and the performance of self-control position angle has been widened the scope of application of system push rod accelerated ejection mechanism; Both can be arranged on and eject goods on the product edges, and can be used for again ejecting goods, and also have standardization of being easy to and pervasive general meaning from goods inside.
Above-mentioned, the utility model adopts the device that is made up of sled jacking block, holder, push rod, pivot pin, during application; This device is arranged on the top board of mould; And correspondence is provided with ejector pin below the dynamic model support plate of mould, and correspondence is provided with return pin on the base plate of mould, when ejecting; Carrying out first section stroke uniform speed by this device of top board promotion drive push rod pushing tow goods earlier ejects; Push the sled jacking block by ejector pin again and prize push rod goods are carried out the technical scheme that second section stroke quickens ejection device, overcome prior art and had that body is big, cost is high, the problems and shortcomings of scope of application limitation, a kind of push rod that is provided quickens liftout attachment; Make the two-stage stroke ejecting mechanism of injection mold through cross slide rail ways of connecting, reached reduced volume, reduced cost, widen the purpose of the scope of application.
Description of drawings
Fig. 1 is the axle side sketch map that a kind of push rod of the utility model quickens the structure of liftout attachment;
Fig. 2 is the branch unreeling side sketch map that a kind of push rod of the utility model quickens each parts of liftout attachment;
Fig. 3 is that a kind of push rod of the utility model quickens liftout attachment, is operated in the principle cross-sectional schematic of the initial tense of mold releasability;
Fig. 4 is that a kind of push rod of the utility model quickens liftout attachment, is operated in the at the uniform velocity principle cross-sectional schematic of demoulding tense of mould;
Fig. 5 is that a kind of push rod of the utility model quickens liftout attachment, is operated in the principle cross-sectional schematic that mould quickens demoulding tense;
Fig. 6 is that a kind of push rod of the utility model quickens liftout attachment, is operated in the reset principle cross-sectional schematic of tense of push rod;
Fig. 7 is the cross-sectional schematic that the AKO mechanism of prior art is applied in the injection mold demoulding;
Fig. 8 is the sectional schematic that the AKO mechanism of prior art can not be used for ejecting from plastic inside product.
Embodiment below in conjunction with in the accompanying drawing does further explain to the utility model, but should not be construed as any restriction to the utility model.
Among the figure: sled jacking block 1, cross recess slide rail 11, holder 2, push rod 3, dead axle 31, pivot pin 4, ejector pin 5, return pin 6, base plate 01, top board 02, dynamic model support plate 03, dynamic mould core 04, goods 05.
The specific embodiment
Consult Fig. 1～Fig. 6, a kind of push rod of the utility model quickens liftout attachment, comprises sled jacking block 1, holder 2, push rod 3, pivot pin 4, wherein: on one side the block steel components that described sled jacking block 1 is upturned for one side level; Along long limit, the top and bottom on the left side at sled jacking block 1 center are parallel to each other and level, are called low platform section; The top and bottom on the right at sled jacking block 1 center are parallel to each other and are upturned and are behind the slope level of transferring into again, are called high platform section; The center line along long limit, the left surface of the low platform section of sled jacking block 1 with above be provided with criss-cross cross recess slide rail 11; The middle part of former and later two sides of sled jacking block 1 is provided with the axis hole of a circle that runs through;
Described holder 2 is the rectangular elements of steel; The center line along long limit; Be provided with above the holder 2 two symmetries, vertically downward be through to the bottom the deep gouge screw; The bottom at former and later two centers, side of holder 2 is provided with a shaft hole that runs through the circle of former and later two sides, and the following height of the centre-to-centre spacing holder 2 of said shaft hole equates with the following height of the said low platform section of the centre-to-centre spacing sled jacking block 1 of the said axis hole of sled jacking block 1;
Described push rod 3 is fixed with a dead axle 31 through the columniform steel of two table tops for the bottom is provided with the columniform steel part by two parallel table tops of axis symmetry perpendicular to said table top;
Described pivot pin 4 is the columniform member of steel;
Two holders 2 are positioned at the two sides, front and back of sled jacking block 1, and the shaft hole that passes holder 2 with pivot pin 4 turns them with the axis hole of prizing jacking block 1 and is chained together, and the said dead axle 31 of push rod 3 bottoms slides and inserts in the cross recess slide rail 11 of sled jacking block 1; Holder 2 is connected on the top board 02 of mould with hexagon socket head cap screw, below the dynamic model support plate 03 of mould,, fixedly installs that protrude, the columniform ejector pin 5 of steel downwards corresponding to the upper right side of the said high platform section of prizing jacking block 1; On the base plate 01 of mould,, fixedly install protruding upward, a columniform return pin 6 of steel corresponding to the lower right of said high platform section of sled jacking block 1;
The direction face of structure representation is divided into the up, down, left, right, before and after face, and wherein, the front is the face in the face of institute's statement main body, is the face relative with said front at the back.
Operation principle
During application, mould is horizontal installation, and the above-below direction that structure is described is the fore-and-aft direction of job description.
During the demoulding, the mould die sinking, top board 02 promote sled jacking block 1 and push rod 3 at the uniform velocity mobile forward, return pin 6 break away from sled jacking blocks 1 high platform section stick up the bottom, push rod 3 pushing tow goods 05 break away from dynamic mould core 04, accomplish first section at the uniform velocity ejection stroke; When top board 02 moves closer to dynamic model support plate 03; Be located at ejector pin 5 below the dynamic model support plate 03 push sled jacking block 1 high platform section stick up the top; 1 rotation of sled jacking block; The cross recess slide rail 11 of sled jacking block 1 prizes push rod 3 and moves to preacceleration, thereby accomplishes the stroke that second section acceleration ejects, and quickens to promote goods 05 and comes off.
When resetting, the mould matched moulds, top board 02 is return to base plate 01 direction; Drive push rod 3 rollbacks; Sled jacking block 1 disengages with ejector pin 5, when top board 02 moves closer to base plate 01, be positioned at return pin 6 on the base plate 01 touch sled jacking blocks 1 high platform section stick up the bottom; Sled jacking block 1 spinning reduction, the cross recess slide rail 11 pulling dead axles 31 of sled jacking block 1 force push rod 3 withdrawals to reset.
Claims (1)
1. a push rod quickens liftout attachment, it is characterized in that: comprise sled jacking block (1), holder (2), push rod (3), pivot pin (4), described sled jacking block (1) is on one side be the block steel components that one side level is upturned; The top and bottom of prizing the left side at jacking block (1) center along long limit are parallel to each other and level, are called low platform section; The top and bottom on the right at sled jacking block (1) center are parallel to each other and are upturned and are behind the slope level of transferring into again, are called high platform section; Along the left surface of the low platform section of long limit center line sled jacking block (1) with above be provided with criss-cross cross recess slide rail (11); The middle part of former and later two sides of sled jacking block (1) is provided with the axis hole of a circle that runs through;
Described holder (2) is the rectangular elements of steel; The center line along long limit; Be provided with the deep gouge screw that two symmetrical vertical are through to the bottom downwards above the holder (2); The bottom at former and later two centers, side of holder (2) is provided with a shaft hole that runs through the circle of former and later two sides, and the following height of the centre-to-centre spacing holder (2) of said shaft hole equates with the following height of the said low platform section of the centre-to-centre spacing sled jacking block (1) of the said axis hole of sled jacking block (1);
Described push rod (3) is fixed with a dead axle through the columniform steel of two table tops (31) for the bottom is provided with the columniform steel part by two parallel table tops of axis symmetry perpendicular to said table top;
Described pivot pin (4) is the columniform member of steel;
Two holders (2) are positioned at the two sides, front and back of sled jacking block (1); The shaft hole that passes holder (2) with pivot pin (4) turns them with the axis hole of prizing jacking block (1) and is chained together, and the said dead axle (31) of push rod (3) bottom slides and inserts in the cross recess slide rail (11) of prizing jacking block (1); Holder (2) is connected on the top board (02) of mould with hexagon socket head cap screw, below the dynamic model support plate (03) of mould,, fixedly installs that protrude, the columniform ejector pin of steel (5) downwards corresponding to the upper right side of the said high platform section of prizing jacking block (1); On the base plate (01) of mould,, fixedly install protruding upward, a columniform return pin of steel (6) corresponding to the lower right of said high platform section of sled jacking block (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012200293282U CN202412627U (en) | 2012-01-12 | 2012-01-12 | Accelerated ejection device of ejector rod |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012200293282U CN202412627U (en) | 2012-01-12 | 2012-01-12 | Accelerated ejection device of ejector rod |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202412627U true CN202412627U (en) | 2012-09-05 |
Family
ID=46737419
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012200293282U Expired - Fee Related CN202412627U (en) | 2012-01-12 | 2012-01-12 | Accelerated ejection device of ejector rod |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202412627U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103231497A (en) * | 2013-04-11 | 2013-08-07 | 宁波跃飞模具有限公司 | Device for adding push rod on edge of top plate |
| CN104943091A (en) * | 2015-06-25 | 2015-09-30 | 台州黄岩艾彼模具有限公司 | Single-thimble acceleration ejection mechanism of injection mold |
-
2012
- 2012-01-12 CN CN2012200293282U patent/CN202412627U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103231497A (en) * | 2013-04-11 | 2013-08-07 | 宁波跃飞模具有限公司 | Device for adding push rod on edge of top plate |
| CN104943091A (en) * | 2015-06-25 | 2015-09-30 | 台州黄岩艾彼模具有限公司 | Single-thimble acceleration ejection mechanism of injection mold |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN203331365U (en) | Lever type secondary accelerated ejection mechanism | |
| CN202388735U (en) | Injection mould with simple structure for barrel-shaped product | |
| CN202412627U (en) | Accelerated ejection device of ejector rod | |
| CN102729415A (en) | Straight-top sliding block device provided with oblique loose core | |
| CN202895626U (en) | Secondary accelerated ejecting device for ejecting rod | |
| CN204431665U (en) | A kind of slant-top core-pulling device of injection mold | |
| CN102632592A (en) | Lateral inclined-knockout core-loosening device arranged in lateral sliding block | |
| CN104309076A (en) | Simple and universal secondary accelerated ejection device of injection mold | |
| CN101323166B (en) | Sliding track interconnection system push rod accelerated ejection mechanism | |
| CN202021767U (en) | Mould and ejection mechanism thereof | |
| CN202241865U (en) | Secondary ejection device for injection mould | |
| CN201950772U (en) | Injection-molding mold of oil filling port cap of automobile oil tank | |
| CN103817880A (en) | Slide rail connection type ejector rod acceleration ejecting mechanism | |
| CN103192502A (en) | Straight-ejector-rod inclined core pulling device with small occupied mold space | |
| CN205889791U (en) | Plastic mold's ejecting structure of leading secondary of cam block | |
| CN102529043B (en) | Simple and easy twice distance-determination push-out device | |
| CN213618162U (en) | Simple back-off inclined jacking device of plastic storage box mold | |
| CN204235799U (en) | Point mould in a kind of bumper of improvement | |
| CN204249266U (en) | Taillight mold ejection mechanism | |
| CN202507483U (en) | Transverse pitched roof core-drawing device arranged in transverse slider | |
| CN201863367U (en) | Mechanical type secondary ejection mold | |
| CN202911104U (en) | Mould differential ejection structure | |
| CN103737872B (en) | A kind of Simple secondary rigidity ejects order controller | |
| CN102700087A (en) | Pitched ejection device immediately stopping after being drawn | |
| CN202219553U (en) | Lifter structure of front mold |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120905 Termination date: 20170112 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |