CN103240849B - The secondary ejection device of a kind of external hook-hang type push pedal and top board - Google Patents

The secondary ejection device of a kind of external hook-hang type push pedal and top board Download PDF

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Publication number
CN103240849B
CN103240849B CN201310164676.XA CN201310164676A CN103240849B CN 103240849 B CN103240849 B CN 103240849B CN 201310164676 A CN201310164676 A CN 201310164676A CN 103240849 B CN103240849 B CN 103240849B
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China
Prior art keywords
pull bar
hook
push pedal
hook pull
top board
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CN201310164676.XA
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CN103240849A (en
Inventor
章育林
赵基贵
赵志超
张德标
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Yisheng Electric Wire Plastic (Kunshan) Co., Ltd.
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Ningbo Yuefei Mold Co Ltd
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Abstract

The invention discloses the secondary ejection device of a kind of external hook-hang type push pedal and top board, comprise hook pull bar (1), draw-bar seat (2), back-moving spring (3), rotating shaft (4), block of triping (5), pulling buckle (6).The present invention adopts the device be made up of above-mentioned component, during work, active and inactive mold somatotype, while push pedal is separated with dynamic model support plate and drives goods and core to unclamp, utilize the fastening of hook pull bar and pulling buckle, top board is pulled to do synchronously to eject motion for the first time with push pedal, the block of triping being located at dynamic model support plate place promotes hook pull bar along axis of rotation, hook pull bar and pulling buckle are triped, top board is separated with push pedal, the tail fore-set pushing tow top board of injection machine continues to complete forward second time and drives separately angle ejector rod slant-top core-pulling to eject the technical scheme of motion, overcome prior art and there is complex structure, long in time limit, the problems and shortcomings that cost is high, reach simplification structure, reduction of erection time, the object reduced costs.

Description

The secondary ejection device of a kind of external hook-hang type push pedal and top board
Technical field
The present invention relates to a kind of ejection stripping device of injection mold, specifically refer to for injection mold, first connect push pedal and drive top board synchronously to eject, then throw off the secondary ejection device of a kind of external hook-hang type push pedal that push pedal makes top board continue separately to eject and top board.
Background technology
The dark chamber of thin-walled and containing the injection mold of back-off structure goods, while use push pedal pushing tow goods and core unclamp, also need to drive angle ejector rod to carry out the slant-top core-pulling demoulding to the back-off structure of goods by top board, need to arrange secondary ejection device for this reason, first drive push pedal, top board does the first time loosening motion that synchronously ejects of two plates, the independent slant-top core-pulling driving angle ejector rod to continue to eject for the second time by top board moves again, the secondary ejection device of prior art is arranged on mould inside, is called built-in; Built-in structure is complicated, manufacture processing costly long in time limit, in addition, built-in need take mould inside space, because mould inside space is originally compact narrow, just need strengthen mould body to increase secondary ejection device, causing die cost to increase, therefore, there are complex structure, the problems and shortcomings that long in time limit, cost is high in prior art.
Summary of the invention
For above-mentioned prior art Problems existing with not enough, the present invention adopts the device be made up of hook pull bar, draw-bar seat, back-moving spring, rotating shaft, block of triping, pulling buckle, wherein, draw-bar seat is fixedly connected on the side-walls of push pedal, the top of hook pull bar is rotatably connected with draw-bar seat by rotating shaft, and is provided with back-moving spring for resetting, block correspondence of triping is fixedly connected on the side-walls of dynamic model support plate, pulling buckle correspondence is fixedly connected on above ceiling edge, and the hook end that the end of thread of pulling buckle is arranged with hook pull bar lower end upward slidingly contacts fastening, during work, mould die sinking, dynamic model retreats, active and inactive mold somatotype, under the effect of mould plate pulling hook and thrust spring, while push pedal is separated with dynamic model support plate and drives goods and core to unclamp, utilize the fastening of hook pull bar and pulling buckle, top board is pulled to do synchronously to eject motion for the first time with push pedal, along with the displacement of push pedal, the block of triping being located at dynamic model support plate place promotes hook pull bar along axis of rotation, hook pull bar and pulling buckle are triped, top board is separated with push pedal, afterwards, along with dynamic model continues to retreat, the tail fore-set pushing tow top board of injection machine continues to complete forward second time and drives separately angle ejector rod slant-top core-pulling to eject the technical scheme of motion, the secondary ejection device of a kind of external hook-hang type push pedal and top board is provided, be intended to by being arranged on push pedal, the edge of dynamic model support plate and top board does not take mould inside space, injection mold is made to avoid the drawback of built-in secondary ejection device, reach simplification structure, reduction of erection time, the object reduced costs.
The object of the present invention is achieved like this: the secondary ejection device of a kind of external hook-hang type push pedal and top board, comprise hook pull bar, draw-bar seat, back-moving spring, rotating shaft, to trip block, pulling buckle, wherein: described hook pull bar is the shaft-like steel components of rectangular slat that left surface is provided with convex-concave step, the top of hook pull bar left surface is that the vertical plane protruded left is called connection step, the below of described connection step is that vertical plane recessed is to the right called empty avoiding step, the bottom of described empty avoiding step is provided with protrudes left, the semi-cylindrical projection of fore-and-aft direction is called stirs cylinder, the bottom of hook pull bar left surface be provided with flange described in the flange that protrudes left above for horizontal plane is called hook end, be the arc surface crossing with the right side of hook pull bar below described flange, corresponding to described connection step lower position, hook pull bar is provided with the manhole running through front and back sides and is called bar axis hole,
Described draw-bar seat is the block steel components of flute profile of above-below direction, and before and after draw-bar seat bottom, the cell wall manhole be provided with for installing rotating shaft is called an axis hole, is provided with for settling the blind round hole of back-moving spring to be called spring groove at the bottom of draw-bar seat upper slot;
Described back-moving spring is cylindroid helical-coil compression spring;
Described rotating shaft is the steel components of cylinder rod;
Described block of triping is the steel components that master looks the bulk in the trapezoidal one of left part rectangle right part, is provided with the inclined-plane be upwards tilted to the right and is called inclined-plane of triping below block of triping and between the right side;
Described pulling buckle is the steel components of rectangular rod, and the top of pulling buckle is provided with the boss protruded to the right, for horizontal plane is called end of thread below described boss;
Draw-bar seat is fixedly connected on the side-walls of push pedal, and block correspondence of triping is fixedly connected on the side-walls of dynamic model support plate, and pulling buckle correspondence is fixedly connected on above ceiling edge; The described bar axis hole of hook pull bar is corresponding to the described seat axis hole of draw-bar seat rotating shaft, and hook pull bar is rotatably connected with draw-bar seat; Back-moving spring is arranged in the described spring groove of draw-bar seat, and the right-hand member of back-moving spring is connected step elasticity with the described of hook pull bar and conflicts; The described hook end of hook pull bar and the described end of thread of pulling buckle slidingly contact fastening;
The face, direction of structure representation is divided into up, down, left, right, front, rear side, wherein, before be the face in the face of institute's statement main body, after be and described before relative face.
Operation principle and beneficial effect
During application, mould is horizontal installation, and the above-below direction that structure describes is the fore-and-aft direction of job description.
During work, mould die sinking, dynamic model retreats, active and inactive mold somatotype, under mould plate pulling hook with the acting in conjunction of thrust spring, push pedal is separated with dynamic model support plate forward, while push pedal driven forward goods and core unclamp, utilize the fastening of the described hook end of hook pull bar and the described end of thread of pulling buckle, push pedal pulls top board to do together synchronously to eject motion for the first time through hook pull bar; Along with the reach of push pedal, be located at dynamic model support plate place trip to trip described in block inclined-plane with stir cylinder described in hook pull bar and meet and contact, inclined-plane of triping promotes hook pull bar turn right around the shaft through stirring cylinder, hook pull bar and pulling buckle are triped, top board is separated with push pedal, afterwards, along with dynamic model continues to retreat, the tail fore-set pushing tow top board of injection machine ejects motion to previous crops second time, and top board promotes separately angle ejector rod and completes the slant-top core-pulling demoulding.
Due to this device be arranged on push pedal, the edge of dynamic model support plate and top board do not take mould inside space, makes injection mold avoid the drawback of built-in secondary ejection device, thus simplify the structure, shorten the duration, reduce cost.
Above-mentioned, the present invention adopts the device be made up of hook pull bar, draw-bar seat, back-moving spring, rotating shaft, block of triping, pulling buckle, and wherein, draw-bar seat is fixedly connected on the side-walls of push pedal, the top of hook pull bar is rotatably connected with draw-bar seat by rotating shaft, and is provided with back-moving spring for resetting, block correspondence of triping is fixedly connected on the side-walls of dynamic model support plate, pulling buckle correspondence is fixedly connected on above ceiling edge, and the hook end that the end of thread of pulling buckle is arranged with hook pull bar lower end upward slidingly contacts fastening, during work, mould die sinking, dynamic model retreats, active and inactive mold somatotype, under the effect of mould plate pulling hook and thrust spring, while push pedal is separated with dynamic model support plate and drives goods and core to unclamp, utilize the fastening of hook pull bar and pulling buckle, top board is pulled to do synchronously to eject motion for the first time with push pedal, along with the displacement of push pedal, the block of triping being located at dynamic model support plate place promotes hook pull bar along axis of rotation, hook pull bar and pulling buckle are triped, top board is separated with push pedal, afterwards, along with dynamic model continues to retreat, the tail fore-set pushing tow top board of injection machine continues to complete forward second time and drives separately angle ejector rod slant-top core-pulling to eject the technical scheme of motion, overcome prior art and there is complex structure, long in time limit, the problems and shortcomings that cost is high, a kind of external hook-hang type push pedal provided and the secondary ejection device of top board, injection mold is made to avoid the drawback of built-in secondary ejection device, reach simplification structure, reduction of erection time, the object reduced costs.
Accompanying drawing explanation
Fig. 1 is the secondary ejection device of a kind of external hook-hang type push pedal of the present invention and top board, and the master being arranged in application mould structure looks cross-sectional schematic;
Fig. 2 is the secondary ejection device of a kind of external hook-hang type push pedal of the present invention and top board, is operated in push pedal and top board and makes the principle schematic that first time synchronously ejects tense;
Fig. 3 is the secondary ejection device of a kind of external hook-hang type push pedal of the present invention and top board, is operated in hook pull bar and pulling buckle is triped, and top board is separated with push pedal, and tail fore-set pushing tow top board ejects the principle schematic of motion tense to previous crops second time;
Fig. 4 is the secondary ejection device of a kind of external hook-hang type push pedal of the present invention and top board, is operated in top board and completes separately the principle schematic that second time ejects tense;
Below in conjunction with the embodiment in accompanying drawing, the present invention is described in further detail, but should not be construed as any limitation of the invention.
In figure: hook pull bar 1, draw-bar seat 2, back-moving spring 3, rotating shaft 4, block 5 of triping, pulling buckle 6, push pedal 01, dynamic model support plate 02, thrust spring 03, limit pull rod 04, top board 05, base plate 06, tail fore-set 07, cover half 08.
Detailed description of the invention
Consult Fig. 1 ~ Fig. 4, the secondary ejection device of a kind of external hook-hang type push pedal of the present invention and top board, comprise hook pull bar 1, draw-bar seat 2, back-moving spring 3, rotating shaft 4, to trip block 5, pulling buckle 6, wherein: described hook pull bar 1 is provided with the shaft-like steel components of rectangular slat of convex-concave step for left surface, the top of hook pull bar 1 left surface is that the vertical plane protruded left is called connection step, the below of described connection step is that vertical plane recessed is to the right called empty avoiding step, the bottom of described empty avoiding step is provided with protrudes left, the semi-cylindrical projection of fore-and-aft direction is called stirs cylinder, the bottom of hook pull bar 1 left surface be provided with flange described in the flange that protrudes left above for horizontal plane is called hook end, be the arc surface crossing with the right side of hook pull bar 1 below described flange, corresponding to described connection step lower position, hook pull bar 1 is provided with the manhole running through front and back sides and is called bar axis hole,
Described draw-bar seat 2 is the block steel components of flute profile of above-below direction, and before and after draw-bar seat 2 bottom, the cell wall manhole be provided with for installing rotating shaft 4 is called an axis hole, is provided with for settling the blind round hole of back-moving spring 3 to be called spring groove at the bottom of draw-bar seat 2 upper slot;
Described back-moving spring 3 is cylindroid helical-coil compression spring;
Described rotating shaft 4 is the steel components of cylinder rod;
Described block 5 of triping is the main steel components looking bulk in the trapezoidal one of left part rectangle right part, below block 5 of triping and be provided with the inclined-plane be upwards tilted to the right between the right side and be called inclined-plane of triping;
Described pulling buckle 6 is the steel components of rectangular rod, and the top of pulling buckle 6 is provided with the boss protruded to the right, for horizontal plane is called end of thread below described boss;
Draw-bar seat 2 is fixedly connected on the side-walls of push pedal 01, and block 5 correspondence of triping is fixedly connected on the side-walls of dynamic model support plate 02, and pulling buckle 6 correspondence is fixedly connected on above top board 05 edge; The described bar axis hole of hook pull bar 1 is corresponding to the described seat axis hole of draw-bar seat 2 rotating shaft 4, and hook pull bar 1 is rotatably connected with draw-bar seat 2; Back-moving spring 3 is arranged in the described spring groove of draw-bar seat 2, and the right-hand member of back-moving spring 3 is connected step elasticity with the described of hook pull bar 1 and conflicts; The described hook end of hook pull bar 1 and the described end of thread of pulling buckle 6 slidingly contact fastening;
The face, direction of structure representation is divided into up, down, left, right, front, rear side, wherein, before be the face in the face of institute's statement main body, after be and described before relative face.
Operation principle and beneficial effect
During application, mould is horizontal installation, and the above-below direction that structure describes is the fore-and-aft direction of job description.
During work, mould die sinking, dynamic model retreats, active and inactive mold somatotype, under the acting in conjunction of mould plate pulling hook with thrust spring 03, push pedal 01 is separated with dynamic model support plate 02 forward, while push pedal 01 driven forward goods and core unclamp, utilize the fastening of the described hook end of hook pull bar 1 and the described end of thread of pulling buckle 6, push pedal 01 pulls top board 05 to do together synchronously to eject motion for the first time through hook pull bar 1; Along with the reach of push pedal 01, be located at dynamic model support plate 02 place trip to trip described in block 5 inclined-plane with stir cylinder described in hook pull bar 1 and meet and contact, inclined-plane of triping promotes hook pull bar 14 turn right around the shaft through stirring cylinder, hook pull bar 1 and pulling buckle 6 are triped, top board 05 is separated with push pedal 01, afterwards, along with dynamic model continues to retreat, the tail fore-set 07 pushing tow top board 05 of injection machine ejects motion to previous crops second time, and top board 05 promotes separately angle ejector rod and completes the slant-top core-pulling demoulding.

Claims (1)

1. the secondary ejection device of an external hook-hang type push pedal and top board, comprise hook pull bar (1), draw-bar seat (2), back-moving spring (3), rotating shaft (4), to trip block (5), pulling buckle (6), it is characterized in that: described hook pull bar (1) is provided with the shaft-like steel components of rectangular slat of convex-concave step for left surface, the top of hook pull bar (1) left surface is that the vertical plane protruded left is called connection step, the below of described connection step is that vertical plane recessed is to the right called empty avoiding step, the bottom of described empty avoiding step is provided with protrudes left, the semi-cylindrical projection of fore-and-aft direction is called stirs cylinder, the bottom of hook pull bar (1) left surface be provided with flange described in the flange that protrudes left above for horizontal plane is called hook end, be the arc surface crossing with the right side of hook pull bar (1) below described flange, corresponding to described connection step lower position, hook pull bar (1) is provided with the manhole running through front and back sides and is called bar axis hole,
The block steel components of the flute profile that described draw-bar seat (2) is above-below direction, the manhole that before and after draw-bar seat (2) bottom, cell wall is provided with for installing rotating shaft (4) is called an axis hole, is provided with for settling the blind round hole of back-moving spring (3) to be called spring groove at the bottom of draw-bar seat (2) upper slot;
Described back-moving spring (3) is cylindroid helical-coil compression spring;
The steel components that described rotating shaft (4) is cylinder rod;
Described block of triping (5) is the main steel components looking bulk in the trapezoidal one of left part rectangle right part, below block of triping (5) and be provided with the inclined-plane be upwards tilted to the right between the right side and be called inclined-plane of triping;
The steel components that described pulling buckle (6) is rectangular rod, the top of pulling buckle (6) is provided with the boss protruded to the right, for horizontal plane is called end of thread below described boss;
Draw-bar seat (2) is fixedly connected on the side-walls of push pedal (01), block (5) correspondence of triping is fixedly connected on the side-walls of dynamic model support plate (02), and pulling buckle (6) correspondence is fixedly connected on above top board (05) edge; The described bar axis hole of hook pull bar (1) is corresponding to the described seat axis hole of draw-bar seat (2) rotating shaft (4), and hook pull bar (1) is rotatably connected with draw-bar seat (2); Back-moving spring (3) is arranged in the described spring groove of draw-bar seat (2), and the right-hand member of back-moving spring (3) is conflicted with the described step elasticity that is connected of hook pull bar (1); The described hook end of hook pull bar (1) and the described end of thread of pulling buckle (6) slidingly contact fastening;
The face, direction of structure representation is divided into up, down, left, right, front, rear side, wherein, before be the face in the face of institute's statement main body, after be and described before relative face.
CN201310164676.XA 2013-04-17 2013-04-17 The secondary ejection device of a kind of external hook-hang type push pedal and top board Active CN103240849B (en)

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CN104690852A (en) * 2013-12-06 2015-06-10 汉达精密电子(昆山)有限公司 Double-ejection structure
CN104875332A (en) * 2014-02-28 2015-09-02 汉达精密电子(昆山)有限公司 Mold ejection structure
CN104029343B (en) * 2014-06-05 2016-06-08 宁波跃飞模具有限公司 A kind of external secondary ejection device of injection mold simple general use
CN106079307B (en) * 2016-08-29 2018-10-16 佛山市顺德区百年科技有限公司 A kind of front mold core-pulling mould structure
CN107471564A (en) * 2017-09-06 2017-12-15 合肥三番水处理设备有限公司 A kind of comet type filtering material automatic demoulding processing unit (plant)
CN109130021B (en) * 2018-11-22 2021-10-08 常州大学 Cover half demoulding mechanism
CN111186101B (en) * 2020-02-10 2021-12-31 宁波方正汽车模具股份有限公司 Secondary ejection mechanism of injection mold

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CN202336981U (en) * 2011-10-26 2012-07-18 浙江凯华模具有限公司 Secondary demoulding mechanism of pull rod of injection mould
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
CN203198196U (en) * 2013-04-17 2013-09-18 宁波跃飞模具有限公司 External hooked and hung type secondary ejection device of push plate and ejection plate

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101954723A (en) * 2010-10-08 2011-01-26 台州市黄岩西诺模具有限公司 Secondary ejecting mechanism of improved type invertedly-buckled bottle cap plastic injection mold
CN201863367U (en) * 2010-11-24 2011-06-15 富泰克精密注塑(苏州)有限公司 Mechanical type secondary ejection mold
CN202336981U (en) * 2011-10-26 2012-07-18 浙江凯华模具有限公司 Secondary demoulding mechanism of pull rod of injection mould
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
CN203198196U (en) * 2013-04-17 2013-09-18 宁波跃飞模具有限公司 External hooked and hung type secondary ejection device of push plate and ejection plate

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Address before: 315600 Jinshan two road, C District, Xinxing Industrial Park, Ninghai County, Ningbo, Zhejiang

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