CN202318802U - Inner side surface big-angle obliquely-walking core-pulling mechanism for top block - Google Patents
Inner side surface big-angle obliquely-walking core-pulling mechanism for top block Download PDFInfo
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- CN202318802U CN202318802U CN2011205162413U CN201120516241U CN202318802U CN 202318802 U CN202318802 U CN 202318802U CN 2011205162413 U CN2011205162413 U CN 2011205162413U CN 201120516241 U CN201120516241 U CN 201120516241U CN 202318802 U CN202318802 U CN 202318802U
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Abstract
The utility model provides an inner side surface big-angle obliquely-walking core-pulling mechanism for a top block. The inner side surface big-angle obliquely-walking core-pulling mechanism comprises an outer-inclining mandril (1), an inner-inclining guide rod (2), a flat sliding rail (3), an inclined sliding foot (4), an inclined sliding rail (5) and a top block (6). For the inner side surface big-angle obliquely-walking top block core-pulling mechanism, the technical scheme of double rods, double sliding, proportional obliquely walking is adopted, the problem and the deficiency of the moving dead corner in the prior art are overcome, The top block carries out obliquely-walking core pulling with a oblique line proportion while moving forwards along a product, meanwhile, the special requirements that an injection molding product with a big-angle inverse-hooking characteristic is inwards hooked, and the inner side surface of the bent outer edge is demoulded, are considered, and the purpose of demoulding the injection molding product with any big-angle inverse-hooking characteristic is achieved.
Description
Technical field
The utility model relates to a kind of demoulding core-pulling mechanism of injection mold, specifically is meant the large-angle inclined jacking block core-pulling mechanism of walking of a kind of medial surface of injection mold of the injecting products that is used to have the overhead kick characteristic.
Background technology
Consult Fig. 4, some have the injection-molded item of overhead kick characteristic when shaping and demoulding, must carry out the large-angle inclined demoulding of walking to loose core of medial surface; In the prior art; Consult Fig. 3, the slanted kicking block core-pulling mechanism as the DME of standard component manufacturer, HASCO, MISUMI, positive steel etc. are provided adopts the sliding mechanism of single pole list to realize that tiltedly walking jacking block looses core; Promptly the oblique slide rail 5 of this mechanism is to be fixed on the top board 8; Can only satisfy 0～30 ° of angle tiltedly walk to loose core, in case angle exceeds 30 ° of allowed bands, various bad phenomenon such as (self-lockings) will appear killing in these mechanisms.Therefore, there are the problems and shortcomings at motion dead angle in prior art.
Summary of the invention
Problems and shortcomings to above-mentioned prior art existence; The technical scheme that the utility model adopts two bars, two cunning, ratio tiltedly to walk; Provide a kind of medial surface the large-angle inclined jacking block core-pulling mechanism of walking, be intended to satisfy the purpose that the injecting products demoulding of any wide-angle overhead kick characteristic requires.
The purpose of the utility model is achieved in that the large-angle inclined jacking block core-pulling mechanism of walking of a kind of medial surface; Comprise outer angle ejector rod, interior inclined guide, level and smooth rail, oblique shoes, oblique slide rail, jacking block; Wherein: described outer angle ejector rod is the cylindrical rod member that slides in the outer oblique guide hole of dynamic model, and its upper end is fixedly linked with jacking block, and the lower end is fixedly linked with the oblique flat upper end of shoes; With the bottom is starting point, and its axis outwards presss from both sides the α angle towards cover half direction and mold axis; Inclined guide is the cylindrical rod member that is fixedly connected between dynamic model and the base plate in described; Top board is passed through in the center; Being slidingly matched with the oblique guide hole that is positioned at the oblique slide rail on the top board, is starting point with the bottom, and its axis inwardly presss from both sides the θ angle towards cover half direction and mold axis; Described level and smooth rail is to be fixed in the groove of top board, and the upper surface is provided with the rectangular block shape member of flat button rail; Described oblique shoes is last transverse plane, the inclined-plane, lower end, and beveled end is provided with the wedge block of oblique catching groove, and the folded oblique angle of its inclined-plane and mould transverse plane is the β angle; Described oblique slide rail is the inclined-plane, upper end; Following transverse plane; The folded oblique angle of its inclined-plane and mould transverse plane is the β angle, and beveled end is provided with oblique button rail, and planar ends is provided with the wedge block of flat catching groove; And have the interior oblique guide hole of perforation on the wedge shape stub end, the inclined hole axis inwardly presss from both sides the θ angle towards cover half direction and mold axis; Described jacking block is to be embedded in the dynamic model groove, and the top is provided with plastic member product partial model, the moving core mold insert that the bottom is fixedly connected with the upper end of outer angle ejector rod;
Tiltedly the flat catching groove of slide rail slides and inserts the flat button rail connection of level and smooth rail, and its interior tiltedly guide hole slides and is inserted in interior inclined guide, and the upper end of interior inclined guide is fixedly connected with the bottom of dynamic model, and the lower end of interior inclined guide is fixedly connected with base plate; Tiltedly the oblique catching groove of shoes slides and inserts the oblique button rail connection of oblique slide rail, and tiltedly the flat upper end of shoes is fixedly linked with the lower end of outer angle ejector rod.
Operation principle:
Injection moulding is accomplished, and after the mould die sinking, top board promotes outer angle ejector rod and other plastic thimble pushes the plastic member product demoulding forward, and at this moment, tiltedly slide rail is when moving forward with top board, and what receive interior inclined guide tiltedly drags effect, moves to the mould axis direction simultaneously; The oblique shoes that is slidingly connected with oblique slide rail receives the effect of oblique catching groove rail engagement, the ratio rear shrink movement that produces and move forward opposite, and drive outer angle ejector rod, jacking block moves forward in the same manner; Receive the effect of the outer oblique guide hole of dynamic model, the jacking block of outer angle ejector rod upper end is progressively outwards stretched out when moving forward; Advanced by above-mentioned limit; Contract after the ratio of limit and the superposition of progressively outwards stretching out motion (this ratio and α, β, three angles of θ relevant); The resultant motion track of jacking block does, in the time of along with the plastic member product advanced in unison, along goods bottom outer rim flexure plane and the folded oblique angle (γ angle) of mould transverse plane; Be medial surface, progressively outwards withdraw from downwards.
What need special instruction is, because inclined guide drags oblique slide rail along the effect of moving on the level and smooth rail in θ angle ratio in the mechanism, makes the angle of tiltedly walking of outer angle ejector rod, oblique shoes, mechanism that jacking block constitutes obtain bigger accommodation and not have the dead angle misgivings.
Above-mentioned; Technical scheme that the utility model adopts two bars, two cunning, ratio tiltedly to walk has overcome the problems and shortcomings that there is the motion dead angle in prior art, the large-angle inclined jacking block core-pulling mechanism of walking of a kind of medial surface that is provided; Jacking block is advanced with goods on one side; One edge oblique line ratio is tiltedly walked to loose core, and takes into account interior hook and the specific (special) requirements of the crooked outer rim medial surface demoulding of the injecting products of wide-angle overhead kick characteristic simultaneously, has reached the purpose of the injecting products demoulding of satisfying any wide-angle overhead kick characteristic; Obviously, the large-angle inclined jacking block core-pulling mechanism of walking of the medial surface of the utility model, the demoulding design for the injection mold of the injecting products of any wide-angle overhead kick characteristic has the meaning of pervasive popularization.
Description of drawings
Fig. 1 is demoulding tense broken section and the local enlarged diagram thereof of the utility model embodiment;
Fig. 2 is the large-angle inclined demoulding tense schematic diagram of walking the jacking block core-pulling mechanism of a kind of medial surface of the utility model;
Fig. 3 is the demoulding tense schematic diagram of tiltedly walking the jacking block core-pulling mechanism of prior art;
Fig. 4 is that the local shape and the demoulding thereof of the moulding product of wide-angle overhead kick characteristic requires sketch map;
Fig. 5 is the geometrograph sketch map of asking for all angle parameters of the utility model embodiment.
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: outer angle ejector rod 1, interior inclined guide 2, level and smooth rail 3, tiltedly shoes 4, tiltedly slide rail 5, jacking block 6, dynamic model 7, top board 8, base plate 9, plastic member product 10, plastic thimble 11.
The specific embodiment
Consult Fig. 1, Fig. 2; The large-angle inclined jacking block core-pulling mechanism of walking of a kind of medial surface of the utility model comprises outer angle ejector rod 1, interior inclined guide 2, level and smooth rail 3, tiltedly shoes 4, tiltedly slide rail 5, jacking block 6, and wherein: described outer angle ejector rod 1 is the cylindrical rod member that slides in the outer oblique guide hole of dynamic model; Its upper end is fixedly linked with jacking block; The lower end is fixedly linked with the flat upper end of oblique shoes 4, is starting point with the bottom, and its axis outwards presss from both sides the α angle towards cover half direction and mold axis; Inclined guide 2 is for being fixedly connected on the cylindrical rod member between dynamic model 7 and the base plate 9 in described; Top board 8 is passed through in the center; Being slidingly matched with the oblique guide hole that is positioned at the oblique slide rail 5 on the top board 8, is starting point with the bottom, and its axis inwardly presss from both sides the θ angle towards cover half direction and mold axis; Described level and smooth rail 3 is for to be fixed in the groove of top board 8, and the upper surface is provided with the rectangular block shape member of flat button rail; Described oblique shoes 4 is last transverse plane, the inclined-plane, lower end, and beveled end is provided with the wedge block of oblique catching groove, and the folded oblique angle of its inclined-plane and mould transverse plane is the β angle; Described oblique slide rail 5 is the inclined-plane, upper end; Following transverse plane; The folded oblique angle of its inclined-plane and mould transverse plane is the β angle, and beveled end is provided with oblique button rail, and planar ends is provided with the wedge block of flat catching groove; And have the interior oblique guide hole of perforation on the wedge shape stub end, the inclined hole axis inwardly presss from both sides the θ angle towards cover half direction and mold axis; Described jacking block 6 is for to be embedded in the dynamic model groove, and the top is provided with plastic member product 10 partial models, the moving core mold insert that the bottom is fixedly connected with the upper end of outer angle ejector rod 1;
Tiltedly the flat catching groove of slide rail 5 slides and inserts the flat button rail connection of level and smooth rail 3, inclined guide 2 in its interior tiltedly guide hole slides and is inserted in, and the upper end of interior inclined guide 2 is fixedly connected with the bottom of dynamic model 7, and the lower end of interior inclined guide 2 is fixedly connected with base plate 9; Tiltedly the oblique catching groove of shoes 4 slides and inserts the oblique button rail connection of oblique slide rail 5, and tiltedly the flat upper end of shoes 4 is fixedly linked with the lower end of outer angle ejector rod 1.
Operation principle:
Injection moulding is accomplished; After the mould die sinking, top board 8 promotes outer angle ejector rods 1 and other plastic thimble 11 pushes plastic member product 10 demouldings forward, and at this moment, tiltedly slide rail 5 is when moving forward with top board 8, and what receive interior inclined guide 2 tiltedly drags effect, moves to the mould axis direction simultaneously; The oblique shoes 4 that is slidingly connected with oblique slide rail 5 receives the effect of oblique catching groove rail engagement, the ratio rear shrink movement that produces and move forward opposite, and drive outer angle ejector rod 1, jacking block 6 moves forward in the same manner; Receive the effect of the outer oblique guide hole of dynamic model 7, the jacking block 6 of outer angle ejector rod 1 upper end is progressively outwards stretched out when moving forward; Advanced by above-mentioned limit; Contract after the ratio of limit and the superposition of progressively outwards stretching out motion (this ratio and α, β, three angles of θ relevant); The resultant motion track of jacking block 6 does, in the time of along with plastic member product 10 advanced in unison, along goods bottom outer rim flexure plane and the folded oblique angle (γ angle) of mould transverse plane; Be medial surface, progressively outwards withdraw from downwards.
What need to specify is, because inclined guide 2 drags oblique slide rail 5 along the effect of moving on the level and smooth rail 3 in θ angle ratio in the mechanism, makes outer angle ejector rod 1, tiltedly shoes 4, mechanism that jacking block 6 constitutes tiltedly walks the angle bigger accommodation of acquisition and do not have the dead angle and worry.
Choosing of α, β, three angles of θ; Consult Fig. 5; According to the gradient (γ angle) of known plastic member product bottom outer rim flexure plane and the length on inclined-plane, just can try to achieve the stripping stroke L of mould, consider that push rod receives force intensity; The span at above-mentioned all angles is respectively, α≤15 °, β≤25 °, θ≤20 °.
Claims (1)
1. the large-angle inclined jacking block core-pulling mechanism of walking of a medial surface; It is characterized in that: comprise outer angle ejector rod (1), interior inclined guide (2), level and smooth rail (3), oblique shoes (4), oblique slide rail (5), jacking block (6); Described outer angle ejector rod (1) is the cylindrical rod member in the outer oblique guide hole that slides on dynamic model, and its upper end is fixedly linked with jacking block, and the lower end is fixedly linked with the flat upper end of oblique shoes (4); With the bottom is starting point, and its axis outwards presss from both sides the α angle towards cover half direction and mold axis; Inclined guide (2) is for being fixedly connected on the cylindrical rod member between dynamic model (7) and the base plate (9) in described; Top board (8) is passed through in the center; Being slidingly matched with the oblique guide hole that is positioned at the oblique slide rail (5) on the top board (8), is starting point with the bottom, and its axis inwardly presss from both sides the θ angle towards cover half direction and mold axis; Described level and smooth rail (3) is for to be fixed in the groove of top board (8), and the upper surface is provided with the rectangular block shape member of flat button rail; Described oblique shoes (4) is last transverse plane, the inclined-plane, lower end, and beveled end is provided with the wedge block of oblique catching groove, and the folded oblique angle of its inclined-plane and mould transverse plane is the β angle; Described oblique slide rail (5) is the inclined-plane, upper end; Following transverse plane; The folded oblique angle of its inclined-plane and mould transverse plane is the β angle, and beveled end is provided with oblique button rail, and planar ends is provided with the wedge block of flat catching groove; And have the interior oblique guide hole of perforation on the wedge shape stub end, the inclined hole axis inwardly presss from both sides the θ angle towards cover half direction and mold axis; Described jacking block (6) is for to be embedded in the dynamic model groove, and the top is provided with plastic member product (10) partial model, the moving core mold insert that the bottom is fixedly connected with the upper end of outer angle ejector rod (1);
Tiltedly the flat catching groove of slide rail (5) slides and inserts the flat button rail connection of level and smooth rail (3), and its interior tiltedly guide hole slides and is inserted in interior inclined guide (2), and the upper end of interior inclined guide (2) is fixedly connected with the bottom of dynamic model (7), and the lower end of interior inclined guide (2) is fixedly connected with base plate (9); Tiltedly the oblique catching groove of shoes (4) slides and inserts the oblique button rail connection of oblique slide rail (5), and tiltedly the flat upper end of shoes (4) is fixedly linked with the lower end of outer angle ejector rod (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011205162413U CN202318802U (en) | 2011-11-22 | 2011-11-22 | Inner side surface big-angle obliquely-walking core-pulling mechanism for top block |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011205162413U CN202318802U (en) | 2011-11-22 | 2011-11-22 | Inner side surface big-angle obliquely-walking core-pulling mechanism for top block |
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| Publication Number | Publication Date |
|---|---|
| CN202318802U true CN202318802U (en) | 2012-07-11 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011205162413U Expired - Fee Related CN202318802U (en) | 2011-11-22 | 2011-11-22 | Inner side surface big-angle obliquely-walking core-pulling mechanism for top block |
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| CN (1) | CN202318802U (en) |
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102935676A (en) * | 2012-11-07 | 2013-02-20 | 凡嘉科技（无锡）有限公司 | Reset structure of inclined roof ejecting mechanism |
| CN104494065A (en) * | 2014-12-05 | 2015-04-08 | 宁波方正汽车模具有限公司 | Core pulling mechanism of automobile front door upper framework |
| CN105751445A (en) * | 2016-04-29 | 2016-07-13 | 宁海金辉模塑有限公司 | Double-inclination core pulling mechanism |
| CN105751451A (en) * | 2016-05-19 | 2016-07-13 | 宁波方正汽车模具有限公司 | Die ejection device for fixed die with inclined roof |
| CN106346717A (en) * | 2016-10-20 | 2017-01-25 | 宁波周龙塑胶模具有限公司 | Inclined propping core pulling device for two-sectional differential inclined pulling of injection mold |
| CN106393608A (en) * | 2016-11-15 | 2017-02-15 | 昆山鸿永盛模具有限公司 | Mold releasing mechanism |
| EP3542984A3 (en) * | 2018-03-22 | 2020-01-01 | Ermanno Balzi S.r.l. | Lifter device for molds |
| CN111267302A (en) * | 2020-02-10 | 2020-06-12 | 宁波方正汽车模具股份有限公司 | Ejection mechanism for automobile airbag cover |
| CN111347624A (en) * | 2020-03-23 | 2020-06-30 | 东风柳州汽车有限公司 | Injection mold for automobile bumper |
| CN112536990A (en) * | 2020-12-23 | 2021-03-23 | 宁波方正汽车模具股份有限公司 | Large-angle pitched roof mechanism |
-
2011
- 2011-11-22 CN CN2011205162413U patent/CN202318802U/en not_active Expired - Fee Related
Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102935676A (en) * | 2012-11-07 | 2013-02-20 | 凡嘉科技（无锡）有限公司 | Reset structure of inclined roof ejecting mechanism |
| CN104494065A (en) * | 2014-12-05 | 2015-04-08 | 宁波方正汽车模具有限公司 | Core pulling mechanism of automobile front door upper framework |
| CN104494065B (en) * | 2014-12-05 | 2016-08-24 | 宁波方正汽车模具有限公司 | Automobile front door upper frame core-pulling mechanism |
| CN105751445A (en) * | 2016-04-29 | 2016-07-13 | 宁海金辉模塑有限公司 | Double-inclination core pulling mechanism |
| CN105751451A (en) * | 2016-05-19 | 2016-07-13 | 宁波方正汽车模具有限公司 | Die ejection device for fixed die with inclined roof |
| CN105751451B (en) * | 2016-05-19 | 2018-03-27 | 宁波方正汽车模具股份有限公司 | Cover half has the mold liftout attachment of oblique top |
| CN106346717A (en) * | 2016-10-20 | 2017-01-25 | 宁波周龙塑胶模具有限公司 | Inclined propping core pulling device for two-sectional differential inclined pulling of injection mold |
| CN106393608A (en) * | 2016-11-15 | 2017-02-15 | 昆山鸿永盛模具有限公司 | Mold releasing mechanism |
| EP3542984A3 (en) * | 2018-03-22 | 2020-01-01 | Ermanno Balzi S.r.l. | Lifter device for molds |
| CN111267302A (en) * | 2020-02-10 | 2020-06-12 | 宁波方正汽车模具股份有限公司 | Ejection mechanism for automobile airbag cover |
| CN111347624A (en) * | 2020-03-23 | 2020-06-30 | 东风柳州汽车有限公司 | Injection mold for automobile bumper |
| CN112536990A (en) * | 2020-12-23 | 2021-03-23 | 宁波方正汽车模具股份有限公司 | Large-angle pitched roof mechanism |
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Legal Events
| Date | Code | Title | Description |
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| 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: 20120711 Termination date: 20161122 |
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| CF01 | Termination of patent right due to non-payment of annual fee |