CN101314252A - Time-delay drawing protection technical apparatus for injection mold slide block thimble and inclined jacking block thimble - Google Patents
Time-delay drawing protection technical apparatus for injection mold slide block thimble and inclined jacking block thimble Download PDFInfo
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- CN101314252A CN101314252A CNA2008101341864A CN200810134186A CN101314252A CN 101314252 A CN101314252 A CN 101314252A CN A2008101341864 A CNA2008101341864 A CN A2008101341864A CN 200810134186 A CN200810134186 A CN 200810134186A CN 101314252 A CN101314252 A CN 101314252A
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Abstract
The invention discloses a technical device for protecting delayed pulling of a slider push rod and an ejector cam insert push rod of an injection mold. The device comprises a push rod (1), a spring (2), a delayed straight plane (3), a reset inclined plane (4) and a check block (5). The device adopts demoulding technical proposal of transverse delayed pulling consisting of the push rod, the spring, the straight plane and the inclined plane; in the pulling movements of a transverse mechanism of an injection molded part, the push rod is used to support the injection molded part to force the injection molded part and a slider or an ejector cam insert to loose and delay, so as to guarantee products are not damaged in the transverse demoulding process. The device solves the problems that the mould has a complicated structure and high cost, and actual demoulding effect is not ideal, etc. because the prior art adopts the technical proposals that a secondary transverse pulling mechanism such as an oil cylinder is adopted, demoulding inclination of the injection molded part is increased and demoulding is carried out through exhaust, etc. The device achieves the aims of simple and reliable mechanism, low cost, ideal demoulding effect and suitability for applying injection molds with difficult demoulding; meanwhile, the device has universal meaning for technical progress of injection mold demoulding.
Description
Technical field
The present invention relates to a kind of ejection technique of injection mold, specifically be meant to be applied to comparatively complexity of plastic transverse projection face, reinforcement is more, a kind of injection mold slide block thimble of the injection mold that package power is bigger and slanted kicking block thimble time-delay drawing resist technology device.
Background technology
Plastic products have been widely used in all trades and professions and commodity, and the quality quality of plastic products has confidential relation with injection mold.Usually plastic member product has horizontal extraction structure, and injection mold will adopt slanted kicking block or slide block mechanism to realize the demoulding.When the transverse projection face of chance shape more complicated, reinforcement is many, the plastic member product that package power is big, its injection mold is if adopt common slanted kicking block or the slide block mechanism realization demoulding, laterally taking out in the process of the demoulding, plastic member product very easily takes place to be pulled because of depanning difficulty even bad phenomenon such as fracture, has a strong impact on the moulding cost and the Forming Quality of plastic member product.The scheme of the solution of prior art is: require the client to change the planform design of plastic member product; Adopt the horizontal drawing mechanisms of secondary such as oil cylinder; Schemes such as the depanning gradient of increase plastic member product and exhaust depanning.
Above-mentioned prior art scheme exists the mould structure complexity in actual applications, and cost increases, and actual stripping result also may not ideal etc. problem, make that the client is difficult to accept.
Summary of the invention
Problems and shortcomings at above-mentioned prior art existence; the present invention adopts thimble; spring; face directly; the ejection technique scheme that the horizontal time-delay that the inclined-plane constitutes is twitched; being intended to plastic extracts out in the motion at transversing gear; utilize thimble to prop up plastic; force the loosening time-lag action of plastic and slide block or slanted kicking block to guarantee that goods are not destroyed laterally taking out in the knockout course; a kind of injection mold slide block thimble and slanted kicking block thimble time-delay drawing resist technology device are provided; it is simple and reliable to reach mechanism; with low cost; the stripping result ideal is applicable to general horizontal demoulding difficulty injection mold application aims.
The object of the present invention is achieved like this: a kind of injection mold slide block thimble and slanted kicking block thimble time-delay drawing resist technology device comprise thimble, spring, time-delay face directly, reset inclined-plane, block, wherein: described thimble is that antifriction metal (AFM) is made, one end end face is the sphere end of spherical shape, other end end face is the curved end of making by the plastic member product curve form, and is provided with the cylindrical parts of back-up ring step in the position of near partially sphere end; Described spring is a cylinder-shaped compression spring; Described time-delay is faced directly to being located on cover half cavity plate or the dynamic model mold insert, with fixed, dynamic model folding direction is parallel, the one section craspedodrome slideway that slides for thimble sphere termination; Described inclined-plane is to be located on cover half cavity plate or the dynamic model mold insert, and an end and time-delay are faced directly and intersected the other end and contact with fixed, dynamic model that end face intersects, and outwards have angle with fixed, dynamic model folding direction, supply one section diagonal slideway of thimble sphere termination slip; Described chamber is to be arranged in the face of on the slide block faced directly of time-delay or the slanted kicking block face, and bottom centre is provided with the cylinder chamber of through hole, and the chamber end face is provided with the caulking groove and the screw of assembling block; Described block is the block plug that antifriction metal (AFM) is made, and is provided with the circular hole that deep gouge is worn screw and can be passed thimble sphere termination.
Assembling (each member mutual alignment and relation):
The curved end of spring being inserted in thimble is to the back-up ring step, place in the chamber, and in the through hole at curved end insertion cavity bottom center, the sphere end of thimble outwardly, pass the circular hole of block, wear screw with hexagon socket head cap screw by deep gouge block is fixed in the caulking groove of chamber end face.
Operation principle:
Slide block example: during the demoulding, dynamic model retreats, the cover half dynamic model begins separately, when slide block retreats with dynamic model, be subjected to the effect of Angle Pin extrapolation component, slide block begins not only to move as oblique line backward but also outwards, at this moment, the sphere end of thimble is only faced directly along the die cavity time-delay of cover half and is slided backward, cause the curved end of thimble to prop up plastic and be not pulled away from dynamic model mold insert Side wall by the plastomer that is embedded in its chamber groove by the slide block that outwards moves, force the plastomer that is embedded in the slide block chamber groove to break away from the slide block chamber groove on the contrary, realize the purpose of slide block time-delay drawing protection; At this moment, the back-up ring step of thimble compression spring, sphere end indentation block and curved end is stretched out the through hole of slide block gradually gradually; The die cavity inclined-plane that slides to cover half when thimble begins, and thimble resets under the effect of spring, and the sphere end ejects block and the through hole of curved end withdrawal slide block; Along with dynamic model away from cover half, Angle Pin is taken out slide block (pushing away) from plastic, finishes slide block time-delay drawing knockout course.
Slanted kicking block example: during the demoulding, liftout plate promotes slanted kicking block and not only moves as oblique line forward but also outwards in the dynamic model, at this moment, the sphere end of thimble is faced directly along the dynamic model time-delay of dynamic model mold insert and is only done to front slide, cause the curved end of thimble to prop up plastic and be not pulled away from dynamic model mold insert Side wall by the plastomer that is embedded in its chamber groove by the slanted kicking block that outwards moves, force the plastomer that is embedded in the groove of slanted kicking block chamber to break away from slanted kicking block chamber groove on the contrary, plastic only moves forward with the slanted kicking block top and breaks away from dynamic model mold insert top, realizes the purpose of slanted kicking block time-delay drawing protection; At this moment, the back-up ring step of thimble compression spring, sphere end indentation block and curved end is stretched out the through hole of slanted kicking block gradually gradually; The dynamic model inclined-plane that slides to the dynamic model mold insert when thimble begins, and thimble resets under the effect of spring, and the sphere end ejects block and the through hole of curved end withdrawal slanted kicking block; Because the remaining effect of contraction of dynamic model mold insert, along with slanted kicking block is oblique away from dynamic model, plastic and slanted kicking block and dynamic model mold insert break away from fully, finish slanted kicking block time-delay drawing knockout course.
A kind of injection mold slide block thimble of the invention described above and slanted kicking block thimble time-delay drawing resist technology device; practical application on the injection mold of prior art demoulding difficulty after; it is simple and reliable to have reached mechanism; with low cost; the stripping result ideal, and be applicable to general horizontal demoulding difficulty injection mold application aims.Therefore, the present invention has pervasive meaning for the technological progress of the injection mold demoulding.
Description of drawings
Fig. 1 is the structural representation of injection mold slide block thimble of the present invention and slanted kicking block thimble time-delay drawing resist technology device;
Fundamental diagram when Fig. 2 is the protection of slanted kicking block of the present invention example time-delay drawing;
Fig. 3 is slanted kicking block of the present invention example plastic fundamental diagram when breaking away from fully with slanted kicking block and dynamic model mold insert;
Fig. 4 is a slide block example knockout course starting stage dynamic schematic diagram of the present invention;
Fig. 5 is a slide block example knockout course completion status schematic diagram of the present invention;
Fig. 6 is a slanted kicking block example knockout course starting stage dynamic schematic diagram of the present invention;
Fig. 7 is a slanted kicking block example knockout course completion status schematic diagram of the present invention;
Below in conjunction with the embodiment in the accompanying drawing the present invention is described in further detail.
Among the figure: thimble 1, spring 2, time-delay face 3 directly, inclined-plane 4, chamber 5, block 6, cover half 01, cavity plate 02 slide block 03, Angle Pin 04, dynamic model 05, slanted kicking block 06, dynamic model mold insert 07, liftout plate 08, plastic 09.
The specific embodiment
Consult Fig. 1, Fig. 2, Fig. 3, a kind of injection mold slide block thimble of the present invention and slanted kicking block thimble time-delay drawing resist technology device comprise that thimble 1, spring 2, time-delay face 3 directly, the inclined-plane 4 that resets, block 5, wherein: described thimble 1 is made for antifriction metal (AFM), one end end face is the sphere end of spherical shape, other end end face is the curved end of making by the plastic member product curve form, and is provided with the cylindrical parts of back-up ring step in the position of near partially sphere end; Described spring 2 is a cylinder-shaped compression spring; Described time-delay faces 3 directly for to be located on cavity plate 02 or the dynamic model mold insert 07, with fixed, dynamic model folding direction is parallel, the one section craspedodrome slideway that slides for thimble 1 sphere termination; Described inclined-plane 4 is for to be located on cavity plate 02 or the dynamic model mold insert 07, one end and time-delay are faced 3 directly and are intersected the other ends contact end face with fixed, dynamic model crossing, outwards have angle with fixed, dynamic model folding direction, for one section diagonal slideway of thimble 1 sphere termination slip; Described chamber 5 is faced directly on 06 of 3 slide block 03 or the slanted kicking block for being arranged in the face of time-delay, and bottom centre is provided with the cylinder chamber of through hole, and the chamber end face is provided with the caulking groove and the screw of assembling block 6; The block plug that described block 6 is made for antifriction metal (AFM), and be provided with the circular hole that deep gouge is worn screw and can be passed thimble 1 sphere termination.
Assembling (each member mutual alignment and relation):
The curved end of spring 2 being inserted in thimble 1 is to the back-up ring step, place in the chamber 5, and the curved end of thimble 1 is inserted in the through hole of chamber 5 bottom centre, the sphere end of thimble 1 outwardly, pass the circular hole of block 6, wear screw with hexagon socket head cap screw by deep gouge block 6 is fixed in the caulking groove of chamber 5 end faces.
Operation principle:
Slide block example: consult Fig. 4, Fig. 5, during the demoulding, dynamic model 05 retreats, cover half 01 dynamic model 02 begins to separate, when slide block 03 retreats with dynamic model 05, be subjected to the effect of Angle Pin 04 extrapolation component, slide block 03 beginning had not only been moved as oblique line backward but also outwards, at this moment, the sphere end of thimble 1 is faced 3 directly along the die cavity time-delay of cover half 01 and is slided backward, cause the curved end of thimble 1 to prop up plastic 09 and be not pulled away from dynamic model mold insert 07 Side wall by the plastomer that is embedded in its chamber groove, force the plastomer that is embedded in the slide block 03 chamber groove to break away from slide block 03 chamber groove on the contrary, realize the purpose of slide block 03 time-delay drawing protection by the slide block 03 that outwards moves; At this moment, the back-up ring step of thimble 1 compression spring 2, sphere end indentation block 6 and curved end is stretched out the through hole of slide block 03 gradually gradually; The die cavity inclined-plane 4 that slides to cover half 01 when thimble 1 begins, and thimble 1 resets under the effect of spring 2, and the sphere end ejects block 6 and the through hole of curved end withdrawal slide block 03; Along with dynamic model 05 away from cover half 01, Angle Pin 04 is taken out (pushing away) from plastic with slide block 03, finishes slide block 03 time-delay drawing knockout course.
Slanted kicking block example: consult Fig. 6, Fig. 7, during the demoulding, liftout plate 08 promotes slanted kicking block 06 and not only moves as oblique line forward but also outwards in the dynamic model 05, at this moment, the sphere end of thimble 1 is faced 3 works directly to front slide along the dynamic model time-delay of dynamic model mold insert 07, cause the curved end of thimble 1 to prop up plastic 09 and be not pulled away from dynamic model mold insert 07 Side wall by the plastomer that is embedded in its chamber groove by the slanted kicking block 06 that outwards moves, force the plastomer that is embedded in the slanted kicking block 06 chamber groove to break away from slanted kicking block 06 chamber groove on the contrary, plastic 09 only moves forward with slanted kicking block 06 top and breaks away from dynamic model mold insert 07 top, realizes the purpose of slanted kicking block 06 time-delay drawing protection; At this moment, the back-up ring step of thimble 1 compression spring 2, sphere end indentation block 6 and curved end is stretched out the through hole of slanted kicking block 06 gradually gradually; The dynamic model inclined-plane 4 that slides to dynamic model mold insert 07 when thimble 1 begins, and thimble 1 resets under the effect of spring 2, and the sphere end ejects block 6 and the through hole of curved end withdrawal slanted kicking block 06; Because dynamic model mold insert 07 remaining effect of contraction, along with slanted kicking block 06 is oblique away from dynamic model 05, plastic 09 breaks away from fully with slanted kicking block 06 and dynamic model mold insert 07, finishes slanted kicking block 06 time-delay drawing knockout course.
Claims (2)
1, injection mold slide block thimble and slanted kicking block thimble time-delay drawing resist technology device comprise that (3) are faced in thimble (1), spring (2), time-delay directly, the inclined-plane that resets (4), block (5), it is characterized in that: described thimble (1) is made for antifriction metal (AFM), one end end face is the sphere end of spherical shape, other end end face is the curved end of making by the plastic member product curve form, and is provided with the cylindrical parts of back-up ring step in the position of near partially sphere end; Described spring (2) is a cylinder-shaped compression spring; Described time-delay is faced (3) directly for to be located on cavity plate (02) or the dynamic model mold insert (07), with fixed, dynamic model folding direction is parallel, the one section craspedodrome slideway that slides for thimble (1) sphere termination; Described inclined-plane (4) is for to be located on cavity plate (02) or the dynamic model mold insert (07), one end is faced (3) directly and is intersected other end contact end face with fixed, dynamic model crossing with time-delay, outwards have angle with fixed, dynamic model folding direction, for one section diagonal slideway of thimble (1) sphere termination slip; Described chamber (5) is faced directly on the slide block (03) of (3) or slanted kicking block (06) face for being arranged in the face of time-delay, and bottom centre is provided with the cylinder chamber of through hole, and the chamber end face is provided with the caulking groove and the screw of assembling block (6); The block plug that described block (6) is made for antifriction metal (AFM), and be provided with the circular hole that deep gouge is worn screw and can be passed thimble (1) sphere termination.
2, injection mold slide block thimble according to claim 1 and slanted kicking block thimble time-delay drawing resist technology device; it is characterized in that: described each member mutual alignment is; spring (2) is inserted in the curved end of thimble (1) to the back-up ring step; place in the chamber (5); and the curved end of thimble (1) is inserted in the through hole of chamber (5) bottom centre; the sphere end of thimble (1) outwardly; pass the circular hole of block (6), wear screw with hexagon socket head cap screw by deep gouge block (6) is fixed in the caulking groove of chamber (5) end face.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2008101341864A CN101314252B (en) | 2008-07-18 | 2008-07-18 | Time-delay drawing protection technical apparatus for injection mold slide block thimble and inclined jacking block thimble |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2008101341864A CN101314252B (en) | 2008-07-18 | 2008-07-18 | Time-delay drawing protection technical apparatus for injection mold slide block thimble and inclined jacking block thimble |
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| CN101314252A true CN101314252A (en) | 2008-12-03 |
| CN101314252B CN101314252B (en) | 2010-09-01 |
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| CN2008101341864A Expired - Fee Related CN101314252B (en) | 2008-07-18 | 2008-07-18 | Time-delay drawing protection technical apparatus for injection mold slide block thimble and inclined jacking block thimble |
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Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101954714A (en) * | 2010-06-18 | 2011-01-26 | 凡嘉科技（无锡）有限公司 | Line-bit design ejector mechanism of injection die of multi-reinforcing-rib device |
| CN101954711A (en) * | 2010-06-19 | 2011-01-26 | 凡嘉科技（无锡）有限公司 | Glue inlet structure of rear mold sliding block of injection mold |
| CN101961900A (en) * | 2010-09-30 | 2011-02-02 | 凡嘉科技（无锡）有限公司 | Improved front mold tilt mandril structure |
| CN101973093A (en) * | 2010-11-11 | 2011-02-16 | 凡嘉科技（无锡）有限公司 | Pitched roof structure of mold for processing reverse L-shaped piece |
| CN102019660A (en) * | 2009-09-17 | 2011-04-20 | 汉达精密电子(昆山)有限公司 | Flash mechanism capable of eliminating conjugation line on plastic product appearance |
| CN102029668A (en) * | 2010-11-11 | 2011-04-27 | 凡嘉科技（无锡）有限公司 | Rear die inclined elastic structure of die for machining inverted L-shaped workpiece |
| CN102328405A (en) * | 2011-10-09 | 2012-01-25 | 北京英特塑料机械总厂 | Mechanism for preventing 'vacuumizing' in ejection process in injection mould |
| CN101774239B (en) * | 2010-01-11 | 2013-06-05 | 宁海县现代模具有限公司 | Ejector sleeve ejecting structure in plastic mould slide block |
| CN103770281A (en) * | 2012-10-24 | 2014-05-07 | 汉达精密电子(昆山)有限公司 | Female mold anti-sticking mechanism |
| CN103978645A (en) * | 2014-05-17 | 2014-08-13 | 宁波跃飞模具有限公司 | Abrasion-proof device applicable to auxiliary demolding mechanism of sliding block of plastic injection mold |
| CN107030980A (en) * | 2017-04-26 | 2017-08-11 | 泸州市胜科模具制造有限公司 | The path tubular plastic parts oblique top demoulding mould of inwall trough of belt |
| CN107042615A (en) * | 2017-04-26 | 2017-08-15 | 泸州市胜科模具制造有限公司 | There is the path plastic parts oblique top slider mould of annular groove on hole wall |
| CN108162335A (en) * | 2017-12-15 | 2018-06-15 | 宁波方正汽车模具股份有限公司 | Automobile decoration plate support inclined-plane depth muscle wide-angle mould emptier |
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2008
- 2008-07-18 CN CN2008101341864A patent/CN101314252B/en not_active Expired - Fee Related
Cited By (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102019660A (en) * | 2009-09-17 | 2011-04-20 | 汉达精密电子(昆山)有限公司 | Flash mechanism capable of eliminating conjugation line on plastic product appearance |
| CN101774239B (en) * | 2010-01-11 | 2013-06-05 | 宁海县现代模具有限公司 | Ejector sleeve ejecting structure in plastic mould slide block |
| CN101954714A (en) * | 2010-06-18 | 2011-01-26 | 凡嘉科技（无锡）有限公司 | Line-bit design ejector mechanism of injection die of multi-reinforcing-rib device |
| CN101954711A (en) * | 2010-06-19 | 2011-01-26 | 凡嘉科技（无锡）有限公司 | Glue inlet structure of rear mold sliding block of injection mold |
| CN101961900B (en) * | 2010-09-30 | 2013-06-26 | 凡嘉科技（无锡）有限公司 | Improved front mold tilt mandril structure |
| CN101961900A (en) * | 2010-09-30 | 2011-02-02 | 凡嘉科技（无锡）有限公司 | Improved front mold tilt mandril structure |
| CN101973093A (en) * | 2010-11-11 | 2011-02-16 | 凡嘉科技（无锡）有限公司 | Pitched roof structure of mold for processing reverse L-shaped piece |
| CN102029668A (en) * | 2010-11-11 | 2011-04-27 | 凡嘉科技（无锡）有限公司 | Rear die inclined elastic structure of die for machining inverted L-shaped workpiece |
| CN102328405A (en) * | 2011-10-09 | 2012-01-25 | 北京英特塑料机械总厂 | Mechanism for preventing 'vacuumizing' in ejection process in injection mould |
| CN103770281A (en) * | 2012-10-24 | 2014-05-07 | 汉达精密电子(昆山)有限公司 | Female mold anti-sticking mechanism |
| CN103978645A (en) * | 2014-05-17 | 2014-08-13 | 宁波跃飞模具有限公司 | Abrasion-proof device applicable to auxiliary demolding mechanism of sliding block of plastic injection mold |
| CN107030980A (en) * | 2017-04-26 | 2017-08-11 | 泸州市胜科模具制造有限公司 | The path tubular plastic parts oblique top demoulding mould of inwall trough of belt |
| CN107042615A (en) * | 2017-04-26 | 2017-08-15 | 泸州市胜科模具制造有限公司 | There is the path plastic parts oblique top slider mould of annular groove on hole wall |
| CN108162335A (en) * | 2017-12-15 | 2018-06-15 | 宁波方正汽车模具股份有限公司 | Automobile decoration plate support inclined-plane depth muscle wide-angle mould emptier |
| CN108162335B (en) * | 2017-12-15 | 2020-08-11 | 宁波方正汽车模具股份有限公司 | Deep rib large-angle demoulding mechanism for inclined plane of automobile decorative plate support |
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| CN101314252B (en) | 2010-09-01 |
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