CN101954723B - Secondary ejecting mechanism of improved type invertedly-buckled bottle cap plastic injection mold - Google Patents

Secondary ejecting mechanism of improved type invertedly-buckled bottle cap plastic injection mold Download PDF

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Publication number
CN101954723B
CN101954723B CN 201010299809 CN201010299809A CN101954723B CN 101954723 B CN101954723 B CN 101954723B CN 201010299809 CN201010299809 CN 201010299809 CN 201010299809 A CN201010299809 A CN 201010299809A CN 101954723 B CN101954723 B CN 101954723B
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China
Prior art keywords
ejector sleeve
ejector
retainner plate
slide block
ejector retainner
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CN 201010299809
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CN101954723A (en
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李君�
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TAIZHOU HUANYAN XINUO DIE CO Ltd
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TAIZHOU HUANYAN XINUO DIE CO Ltd
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Abstract

The invention relates to a secondary ejecting mechanism of an improved type invertedly-buckled bottle cap plastic injection mold, which comprises a fixed mold and a movable mold, wherein an ejector sleeve needle ejecting plate and an ejector sleeve core needle ejecting plate are arranged between the fixed mold and a fixed mold plate; an ejector sleeve is installed on the ejector sleeve needle ejecting plate; an ejector sleeve core is installed on the ejector sleeve core needle ejecting plate; the ejector sleeve core is positioned in the ejector sleeve; the ejector sleeve needle ejecting plate and the ejector sleeve core needle ejecting plate are driven by a hook mechanism; the hook mechanism comprises a first sliding block, a second sliding block, a guide frame which is fixed on the fixed mold plate and a hook which is positioned in the guide frame; the other end of the hook is fixed on the movable mold; a first sliding guide groove and a second sliding guide groove are arranged on the guide frame; the lower walls of the two sliding guide grooves are both slopes; springs are both arranged between the two sliding blocks and the needle ejecting plates; a first convex block and a second convex block are arranged on the hook; the first convex block drives the first sliding block and is matched with the first sliding guide groove; the second convex block drives the second sliding block and is matched with the second sliding guide groove; and the thickness of the second convex block is larger than the thickness of the first convex block.

Description

The secondary ejecting mechanism of modified back-off bottle cap injection mold
Technical field
The present invention relates to a kind of secondary ejecting mechanism of modified back-off bottle cap injection mold, belong to the plastics machinery technical field.
Background technology
As shown in Figure 3, have quite general that the vinyl cover 7 of back-off 71 uses in daily life, at present when making this vinyl cover 7; The demoulding is difficulty relatively, after ejecting mechanism ejects die cavity with vinyl cover 7, because the existence of back-off 71; Vinyl cover 7 still is buckled on the ejector sleeve of ejecting mechanism, needs manual taking off by force to get lid, and operation is extremely inconvenient; Improved production cost, reduced production efficiency, and easily production accident has taken place.Once design a kind of secondary ejecting mechanism (as shown in Figure 1) to this problem inventor, comprised cover half 3 and dynamic model 6, formed die cavity between cover half 3 and the dynamic model 6; Said cover half 3 is installed on the solid plate through the mould pin; Ejector sleeve ejector retainner plate 5 and ejector sleeve fuse ejector retainner plate 4 are arranged between cover half 3 and the solid plate, ejector sleeve 8 is installed on the ejector sleeve ejector retainner plate 5, ejector sleeve fuse 9 is installed on the ejector sleeve fuse ejector retainner plate 4; Wherein ejector sleeve fuse 9 is positioned at ejector sleeve 8; Match with die cavity in the position of said ejector sleeve 8, said ejector sleeve ejector retainner plate 5 drives by oil cylinder with ejector sleeve fuse ejector retainner plate 4, and the oil cylinder that after oil cylinder drive ejector sleeve ejector retainner plate 5, ejector sleeve 8 eject die cavity with the vinyl cover in the die cavity 7, drives ejector sleeve ejector retainner plate 5 quits work; This moment, vinyl cover 7 still was buckled on the ejector sleeve 8 because of the existence of back-off; The oil cylinder that drives ejector sleeve fuse ejector retainner plate 4 is then started working, and ejector sleeve fuse the last 9 top vinyl cover 7 breaks away from the back-off of vinyl cover 7 and ejector sleeve 8, has realized the demoulding.Though having realized need not manually-operated, this mechanism can carry out the demoulding to the vinyl cover that has back-off; But owing to two ejector retainner plates drive by oil cylinder, the structure more complicated, and must just can carry out the demoulding after the first die sinking; Production cycle is long, efficient is low; The more important thing is to be that two oil cylinders are equipped with control device, make the orderly work of two oil cylinders, production cost significantly improves.
Summary of the invention
The purpose of this invention is to provide and a kind ofly control two ejector retainner plates through mechanical system and move in order; Need not to join power and control device in addition for ejector retainner plate; Thereby simplify mould structure, reduce production costs; And the demoulding and die sinking carry out synchronously, shortened the production cycle, improved the secondary ejecting mechanism of the modified back-off bottle cap injection mold of production efficiency.
For reaching the technical scheme that the present invention of foregoing invention purpose adopted be:
The secondary ejecting mechanism of modified back-off bottle cap injection mold comprises fixed half and moving half, forms die cavity between the fixed half and moving half; Said cover half is installed on the solid plate through the mould pin; Ejector sleeve ejector retainner plate and ejector sleeve fuse ejector retainner plate are arranged between cover half and the solid plate, on the ejector sleeve ejector retainner plate ejector sleeve is installed, the ejector sleeve fuse is installed on the ejector sleeve fuse ejector retainner plate; Wherein the ejector sleeve fuse is positioned at ejector sleeve; Matching with die cavity in the position of said ejector sleeve, it is characterized in that said ejector sleeve ejector retainner plate and ejector sleeve fuse ejector retainner plate are driven by drag hook mechanism, and said drag hook mechanism comprises first slide block that is installed on the ejector sleeve ejector retainner plate, be installed in second slide block on the ejector sleeve fuse ejector retainner plate, be fixed on the drag hook that leading truck and an end on the solid plate are positioned at leading truck; The other end of drag hook is fixed on the dynamic model; Be shaped on first guide runner and second guide runner on the said leading truck, the lower wall of two guide runners is the inclined-plane, between said first slide block and the ejector sleeve ejector retainner plate, be provided with spring between second slide block and the ejector sleeve fuse ejector retainner plate; Be shaped on first projection and second projection on the said drag hook; First projection drives first slide block and matches with first guide runner, and second projection drives second slide block and matches with second guide runner, and the thickness of said second projection is greater than the thickness of first projection.
The characteristics of present technique scheme are to adopt two motions that ejector retainner plate is orderly of mechanical system control secondary ejecting mechanism, and then the vinyl cover that has back-off is carried out the demoulding.Detailed process is following: during the injection mold die sinking; Dynamic model drives drag hook and moves down, and first projection of drag hook drives first slide block and the ejector sleeve ejector retainner plate moves down, and second projection drives second slide block and ejector sleeve fuse ejector retainner plate moves down; First slide block and second slide block extrusion spring under the effect on guide runner inclined-plane moves to the ejector retainner plate direction in the folding process; Separate with first projection until first slide block, the ejector sleeve ejector retainner plate stops to move down, this moment the vinyl cover in the die cavity under the effect of ejector sleeve ejector sleeve fuse and the cover half of die cavity partly break away from; But because the existence of back-off still is buckled on the ejector sleeve, this has just accomplished for the first time and has ejected; Dynamic model continuation drive drag hook moves down then; The thickness of cause second projection is greater than the thickness of first projection; When first slide block had just separated with first projection, second projection still contacts and drive second slide block with second slide block and ejector sleeve fuse ejector retainner plate continues to move down, and because ejector sleeve blocks the back-off transfixion of vinyl cover; Therefore strong top vinyl cover breaks away from the back-off of vinyl cover and ejector sleeve in the folding process of ejector sleeve fuse, and this has just realized that secondary ejects.The present technique scheme need not manually-operated pickup so the reduction of production accident incidence after adopting secondary ejecting mechanism; And improved production efficiency, reduced production cost, most importantly two of secondary ejecting mechanism ejector retainner plates drive through drag hook mechanism; Need not to join power and control device in addition for ejector retainner plate; Thereby simplify mould structure, reduce production costs, and the demoulding and die sinking carry out synchronously, shortened the production cycle, improved production efficiency.
All be shaped on the spring hole on said ejector sleeve ejector retainner plate and the ejector sleeve fuse ejector retainner plate, first slide block and second slide block are movably arranged in the spring hole, and said spring is arranged in the spring hole and two ends contact with ejector retainner plate and slide block respectively mutually.Slide block slip horizontal slip in the spring hole, spring is positioned at the compression of spring hole, moves more steady.
Description of drawings
Fig. 1 is the partial structurtes sketch map of the secondary ejecting mechanism of embodiment of the present invention;
Structural representation when Fig. 2 is to use the firm completion of the corresponding mould of embodiment of the present invention once to eject;
Fig. 3 is the structure for amplifying sketch map of band back-off bottle cap among Fig. 1;
Fig. 4 is the structure for amplifying sketch map of drag hook mechanism among Fig. 2;
Fig. 5 is the assembling sketch map of drag hook and leading truck among Fig. 4;
Fig. 6 is the structural representation of drag hook among Fig. 4;
Fig. 7 is the structural representation of leading truck among Fig. 4;
Fig. 8 is the structural representation of embodiment of the present invention (no leading truck).
The specific embodiment
Below in conjunction with accompanying drawing embodiment of the present invention is further specified:
Shown in Fig. 1-8; The secondary ejecting mechanism of modified back-off bottle cap injection mold comprises cover half 3 and dynamic model 6, forms die cavity between cover half 3 and the dynamic model 6; Said cover half 3 is installed on the solid plate 1 through mould pin 2; Ejector sleeve ejector retainner plate 5 and ejector sleeve fuse ejector retainner plate 4 are arranged between cover half 3 and the solid plate 1, ejector sleeve 8 is installed on the ejector sleeve ejector retainner plate 5, ejector sleeve fuse 9 is installed on the ejector sleeve fuse ejector retainner plate 4; Wherein ejector sleeve fuse 9 is positioned at ejector sleeve 8; Matching with die cavity in the position of said ejector sleeve 8, it is characterized in that said ejector sleeve ejector retainner plate 5 and ejector sleeve fuse ejector retainner plate 4 are driven by drag hook mechanism, and said drag hook mechanism comprises first slide block 51 that is installed on the ejector sleeve ejector retainner plate 5, be installed in second slide block 41 on the ejector sleeve fuse ejector retainner plate 4, be fixed on the drag hook 10 that leading truck 11 and an end on the solid plate 1 are positioned at leading truck 11; The other end of drag hook 10 is fixed on the dynamic model 6; The lower wall that is shaped on first guide runner 112 and second guide runner, 111, two guide runners on the said leading truck 11 is the inclined-plane, between said first slide block 51 and the ejector sleeve ejector retainner plate 5, be provided with spring 42 between second slide block 41 and the ejector sleeve fuse ejector retainner plate 4; Be shaped on first projection 102 and second projection 101 on the said drag hook 10; First projection 102 drives first slide block 51 and matches with first guide runner 112, and second projection 101 drives second slide block 41 and matches with second guide runner 111, and the thickness H of said second projection 101 is greater than the thickness h of first projection 102.The characteristics of present technique scheme are to adopt two motions that ejector retainner plate is orderly of mechanical system control secondary ejecting mechanism, and then the vinyl cover that has back-off is carried out the demoulding.Detailed process is following: during the injection mold die sinking; Dynamic model 6 drives drag hook 10 and moves down, and first projection 102 of drag hook 10 drives first slide block 51 and ejector sleeve ejector retainner plate 5 moves down, and second projection 101 drives second slide block 41 and ejector sleeve fuse ejector retainner plate 4 moves down; First slide block 51 and second slide block 41 extrusion spring 42 under the effect on guide runner inclined-plane move to the ejector retainner plate direction in the folding process; Separate with first projection 102 until first slide block 51, ejector sleeve ejector retainner plate 5 stops to move down, this moment the vinyl cover 7 in the die cavity under the effect of ejector sleeve 8 ejector sleeve fuses 9 and the cover half of die cavity partly break away from; But because the existence of back-off 71 still is buckled on the ejector sleeve 8, this has just accomplished for the first time and has ejected; Dynamic model 6 continuation drive drag hooks 10 move down then; The thickness H of cause second projection 101 is greater than the thickness h of first projection 102; When first slide block 51 had just separated with first projection 102, second projection 101 still contacts and drive second slide block 41 with second slide block 41 and ejector sleeve fuse ejector retainner plate 4 continues to move down, and because ejector sleeve 8 blocks back-off 71 transfixions of vinyl cover 7; Therefore strong top vinyl cover 7 breaks away from the back-off 71 of vinyl cover 7 and ejector sleeve 8 in 9 folding processes of ejector sleeve fuse, and this has just realized that secondary ejects.The present technique scheme need not manually-operated pickup so the reduction of production accident incidence after adopting secondary ejecting mechanism; And improved production efficiency, reduced production cost, most importantly two of secondary ejecting mechanism ejector retainner plates drive through drag hook mechanism; Need not to join power and control device in addition for ejector retainner plate; Thereby simplify mould structure, reduce production costs, and the demoulding and die sinking carry out synchronously, shortened the production cycle, improved production efficiency.All be shaped on the spring hole on said ejector sleeve ejector retainner plate 5 and the ejector sleeve fuse ejector retainner plate 4, first slide block 51 and second slide block 41 are movably arranged in the spring hole, and said spring 42 is arranged in the spring hole and two ends contact with ejector retainner plate and slide block respectively mutually.Slide block slip horizontal slip in the spring hole, spring is positioned at the compression of spring hole, moves more steady.
Technique scheme is one embodiment of the present invention, and the technical scheme of those skilled in the art after making simple equivalence replacement on the basis of the present invention's design all falls into protection scope of the present invention.

Claims (2)

1. the secondary ejecting mechanism of modified back-off bottle cap injection mold; Comprise cover half (3) and dynamic model (6); Form die cavity between cover half (3) and the dynamic model (6); Said cover half (3) is installed on the solid plate (1) through mould pin (2); Ejector sleeve ejector retainner plate (5) and ejector sleeve fuse ejector retainner plate (4) are arranged between cover half (3) and the solid plate (1), and ejector sleeve ejector retainner plate (5) is gone up ejector sleeve (8) is installed, and ejector sleeve fuse ejector retainner plate (4) is gone up ejector sleeve fuse (9) is installed; Wherein ejector sleeve fuse (9) is positioned at ejector sleeve (8); Matching with die cavity in the position of said ejector sleeve (8), it is characterized in that said ejector sleeve ejector retainner plate (5) and ejector sleeve fuse ejector retainner plate (4) are driven by drag hook mechanism, and said drag hook mechanism comprises first slide block (51) that is installed on the ejector sleeve ejector retainner plate (5), be installed in second slide block (41) on the ejector sleeve fuse ejector retainner plate (4), be fixed on the drag hook (10) that leading truck (11) and an end on the solid plate (1) are positioned at leading truck (11); The other end of drag hook (10) is fixed on the dynamic model (6); Be shaped on first guide runner (112) and second guide runner (111) on the said leading truck (11), the lower wall of two guide runners is the inclined-plane, between said first slide block (51) and the ejector sleeve ejector retainner plate (5), be provided with spring (42) between second slide block (41) and the ejector sleeve fuse ejector retainner plate (4); Be shaped on first projection (102) and second projection (101) on the said drag hook (10); First projection (102) drives first slide block (51) and matches with first guide runner (112), and second projection (101) drives second slide block (41) and matches with second guide runner (111), and the thickness (H) of said second projection (101) is greater than the thickness (h) of first projection (102).
2. the secondary ejecting mechanism of modified back-off bottle cap injection mold according to claim 1; It is characterized in that all being shaped on said ejector sleeve ejector retainner plate (5) and the ejector sleeve fuse ejector retainner plate (4) the spring hole; First slide block (51) and second slide block (41) are movably arranged in the spring hole, and said spring (42) is arranged in the spring hole and two ends contact with ejector retainner plate and slide block respectively mutually.
CN 201010299809 2010-10-08 2010-10-08 Secondary ejecting mechanism of improved type invertedly-buckled bottle cap plastic injection mold Active CN101954723B (en)

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Application Number Priority Date Filing Date Title
CN 201010299809 CN101954723B (en) 2010-10-08 2010-10-08 Secondary ejecting mechanism of improved type invertedly-buckled bottle cap plastic injection mold

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Application Number Priority Date Filing Date Title
CN 201010299809 CN101954723B (en) 2010-10-08 2010-10-08 Secondary ejecting mechanism of improved type invertedly-buckled bottle cap plastic injection mold

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CN101954723B true CN101954723B (en) 2012-12-26

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Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102886862A (en) * 2012-09-22 2013-01-23 苏州市吴中区木渎华利模具加工店 Plastic rubber mould for forming decorative cover of sun screen bottle
CN102886869A (en) * 2012-09-22 2013-01-23 苏州市吴中区木渎华利模具加工店 Plastic rubber forming mold of inner cap of cosmetic bottle
CN103240849B (en) * 2013-04-17 2016-01-20 宁波跃飞模具有限公司 The secondary ejection device of a kind of external hook-hang type push pedal and top board
CN103660082A (en) * 2013-11-20 2014-03-26 苏州市吴中区木渎华利模具加工店 Buckle type transparent cover molding plastic rubber mould

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CN2936677Y (en) * 2006-04-28 2007-08-22 佛山市顺德区汉达精密电子科技有限公司 Mechanical auxiliary liftout mechanism
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