CN103112128A - Injection molding mould provided with overhead hook type part - Google Patents
Injection molding mould provided with overhead hook type part Download PDFInfo
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- CN103112128A CN103112128A CN2013100498493A CN201310049849A CN103112128A CN 103112128 A CN103112128 A CN 103112128A CN 2013100498493 A CN2013100498493 A CN 2013100498493A CN 201310049849 A CN201310049849 A CN 201310049849A CN 103112128 A CN103112128 A CN 103112128A
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- core rod
- cover half
- half body
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Abstract
The invention provides an injection molding mould provided with an overhead hook type part, belongs to the technical field of operation, and solves the problems that a conventional mould is complicated in structure and low in production efficiency. The injection molding mould provided with the overhead hook type part comprises a fixed mould body and a fixed mould core fixed on the fixed mould body; a movable mould core is sleeved outside the fixed mould core; the movable mould core is provided with an overhead hook molding groove; a driving mechanism capable of driving the movable mould core to do reciprocating motion in the axial direction is arranged between the movable mould core and the fixed mould body; and an air inlet channel I capable of being communicated with a space between the part and the fixed mould core is arranged on the fixed mould body. The injection molding mould provided with the overhead hook type part, disclosed by the invention, is not provided with structures including a slide block and the like so that the structure is simple and the production cost is low. The mould adopts compressed air to enforcedly eject the part to realize de-molding; and with the adoption of the manner of de-molding, the production efficiency is high. Compared with the traditional mould, the part production efficiency of the mould is improved by at least 50%.
Description
Technical field
The invention belongs to the operation technique field, relate to a kind of mould, particularly a kind of injection mold with barb class part.
Background technology
Have the part of barb such as the part of fastening structure.And for example bung illustrated in figures 1 and 2, roughly in the form of annular discs, and bung has to the barb that turns up; But this type of barb hook portion thickness is little.More about the injection mold pertinent literature with barb class part, as the interior outside barb demould of plastic mould mechanism [application number: 200920197594.4] of Chinese patent literature record with the mould [application number: 201120239054.5] of barb at side surface product etc.Hence one can see that at present for the part that makes moulding can be successfully the demoulding from the mould, all adopt slide block structure that hook portion is first broken away from, then adopt the thimble demoulding.Although adopt traditional moulds can realize the demoulding, exist the mould structure complexity, the problem that production efficiency is low.
Summary of the invention
The objective of the invention is to have the problems referred to above for existing technology, proposed a kind of simple in structure and injection mold with barb class part that production efficiency is high.
Purpose of the present invention can realize by following technical proposal: a kind of injection mold with barb class part, comprise cover half body and the fixedly core rod that is fixed on the cover half body, and it is characterized in that, described fixedly core rod overcoat is provided with movable core rod; Has the barb forming tank on described movable core rod; Be provided with between described movable core rod and cover half body and can drive the movable mold mandrel to reciprocating driving mechanism; Described cover half body is provided with can be with part and inlet channel one that fixedly between core rod, the space is connected.
In this injection mould processing part, after forming parts, dynamic model is separated with cover half, then control driving mechanism promotion activity core rod to moving near the dynamic model direction, part is broken away from fixedly between core rod and assurance part and core rod have certain spacing, as 5mm～15mm.The compressed air of the interior injection certain pressure of the most backward inlet channel one forces part disengaging activity core rod.
In the above-mentioned injection mold with barb class part, described cover half body and fixedly have annular gathering sill between core rod, the bottom of described movable core rod is embedded in annular gathering sill.
In the above-mentioned injection mold with barb class part, have outer scalene cone on described fixedly core rod lateral surface, have interior scalene cone corresponding with outer scalene cone and that can lean with outer scalene cone on described movable mold in-core side.
In the above-mentioned injection mold with barb class part, described driving mechanism comprises back-moving spring and is arranged on the cover half body pneumatic actuation assembly that can lean with movable core rod end face, be equipped with release link on described cover half body, an end of release link is connected with movable core rod; One end and the cover half body of back-moving spring lean, and the other end of back-moving spring and the other end of release link lean.
In the above-mentioned injection mold with barb class part, described pneumatic actuation assembly comprises the annular spacing groove that is positioned on the cover half body, be provided with elastic hollow in described annular spacing groove and drive circle, described elastic hollow drives the air inlet pipe that is fixed with on circle with intracavity inter-connection.
In the above-mentioned injection mold with barb class part, described pneumatic actuation assembly comprises the annular air reservoir that is positioned on the cover half body, and being provided with in described annular air reservoir can be along annular air reservoir sidewall sealing ring in axial sliding; Have the inlet channel two that is connected in described cover half body bottom annular air reservoir.
In the above-mentioned injection mold with barb class part, described driving mechanism comprises several along the circumferential equally distributed cylinder of movable core rod, and the cylinder body of described cylinder is fixed on the cover half body, and piston rod is fixedly connected with movable core rod.
In the above-mentioned injection mold with barb class part, the outlet of described inlet channel one is positioned at fixedly on the outer scalene cone of core rod.
In the above-mentioned injection mold with barb class part, the outlet of described inlet channel one is positioned at fixedly on core rod forming parts face, described exit be provided with can the shutoff outlet plug, described plug is fixedly connected with movable core rod.
Compared with prior art, the injection mold that originally has barb class part does not have the structures such as slide block, have simple in structure, the advantage that production cost is low.This mould adopts compressed air by force part to be backed down and realizes the demoulding, adopts this mode stripper member that the high advantage of production efficiency is arranged.This mould is compared manufactured parts efficient and is improved at least 50% with traditional moulds.
Description of drawings
Fig. 1 is the perspective view of bung.
Fig. 2 is the sectional structure schematic diagram of bung.
Fig. 3 originally has the injection molded bung of barb class part and the perspective view after minute mould.
Fig. 4 is the sectional structure schematic diagram of Fig. 3.
Fig. 5 is another visual angle sectional structure schematic diagram of Fig. 3.
Fig. 6 is the perspective view after the injection molded bung that originally has a barb class part divides mould and promotion activity core rod.
Fig. 7 is the sectional structure schematic diagram of Fig. 6.
Fig. 8 is another visual angle sectional structure schematic diagram of Fig. 6.
Fig. 9 is the perspective view after originally having the injection molded bung of barb class part and realizing the demoulding.
In figure, 1, the cover half body; 2, fixedly core rod 3, movable core rod 4, barb forming tank; 5, inlet channel one; 6, annular gathering sill; 7, the face of cylinder 8, outer scalene cone; 9, interior scalene cone; 10, back-moving spring; 11, release link 12, the body of rod 13, bolt 14, the groove of stepping down; 15, annular air reservoir 16, sealing ring; 17, inlet channel two; 18, part; 19, hook portion.
The specific embodiment
Be below specific embodiments of the invention and by reference to the accompanying drawings, technical scheme of the present invention is further described, but the present invention be not limited to these embodiment.
Has barb class part 18 in the present embodiment take bung as example.
Originally the injection mold that has a barb class part comprises cover half body 1, fixedly core rod 2, movable core rod 3 and driving mechanism.
Specifically, fixedly core rod 2 is fixed on cover half body 1.As preferentially, fixedly core rod 2 is positioned on the center line of injection mold.Movable core rod 3 is set in fixedly core rod 2.Fixedly all have forming surface on core rod 2 and movable core rod 3, and fixedly be continuous shape and become the forming surface corresponding with part 18 between core rod 2 forming surface and movable core rod 3 forming surface.
Has barb forming tank 4 on movable core rod 3; It is hook portion 19 moulding on movable core rod 3 of part 18.
Driving mechanism is arranged between movable core rod 3 and cover half body 1, and it can driving activity core rod 3 axially reciprocatings, and part 18 and movable core rod 3 are synchronized with the movement, and realizes that part 18 breaks away from fixedly core rod 2; Movable core rod 3 is resetted, realize fixedly being continuous shape between core rod 2 forming surface and movable core rod 3 forming surface.Cover half body 1 is provided with can be with part 18 and inlet channel 1 that fixedly between core rod 2, the space is connected.
For the stability that improves 3 motions of movable core rod and the movable core rod 3 after guaranteeing to reset with mobile before the uniformity of position, cover half body 1 and fixedly have annular gathering sill 6 between core rod 2, the bottom of movable core rod 3 is embedded in annular gathering sill 6.As prioritization scheme, fixedly core rod 2 lateral surfaces have the face of cylinder 7, and movable core rod 3 medial surfaces also have the face of cylinder 7, and movable core rod 3 faces of cylinder 7 rely on mutually with fixing core rod 2 faces of cylinder 7.Simultaneously, fixedly have outer scalene cone 8 on core rod 2 lateral surfaces, have interior scalene cone 9 corresponding with outer scalene cone 8 and that can lean with outer scalene cone 8 on movable core rod 3 medial surfaces.
Driving mechanism comprises back-moving spring 10 and is arranged on cover half body 1 the pneumatic actuation assembly that can lean with movable core rod 3 end faces, and be equipped with release link 11 on cover half body 1, an end of release link 11 is connected with movable core rod 3; One end and the cover half body 1 of back-moving spring 10 lean, and the other end of the other end of back-moving spring 10 and release link 11 leans.More particularly, release link 11 comprises the body of rod 12 and the bolt 13 with annular bead, and the body of rod 12 passes cover half body 1, and bolt 13 passes flexible mould and is threaded with the body of rod 12; This structure facilitates the installation of the parts such as release link 11, spring.In order to make mould structure compacter, have the groove 14 of stepping down on cover half body 1, this structure can shorten the length of release link 11, makes in the body of rod 12 position cover half bodies 1; One end of back-moving spring 10 is resisted against on the bottom surface of the groove 14 of stepping down, and the annular bead of the other end of back-moving spring 10 and the body of rod 12 leans.The stability that resets in order to improve movable core rod 3, this driving mechanism comprise 3～8 groups of release links 11 and spring assembly; All release links 11 and spring assembly circumferentially evenly distribute along movable core rod 3.
The pneumatic actuation assembly comprises the annular air reservoir 15 that is positioned on cover half body 1, and being provided with in annular air reservoir 15 can be along annular air reservoir 15 sidewalls sealing ring 16 in axial sliding; Have the inlet channel 2 17 that is connected with annular air reservoir 15 bottoms in cover half body 1.This structure can make movable core rod 3 uniform stresseds, raising activity core rod 3 kinetic stability.The inlet channel 2 17 of this pneumatic actuation assembly is connected with compressed air reservoir, and during to annular air reservoir 15 interior air feed, compressed air promotes sealing ring 16 and moves, and then 3 motions of promotion activity core rod; When stopping after the interior air feed of annular air reservoir 15, movable core rod 3 resets under back-moving spring 10 elastic force effects.
According to actual conditions, the pneumatic actuation assembly can adopt following scheme to replace: the pneumatic actuation assembly comprises the annular spacing groove that is positioned on cover half body 1, be provided with elastic hollow in annular spacing groove and drive circle, elastic hollow drives the air inlet pipe that is fixed with on circle with intracavity inter-connection.
According to actual conditions, driving mechanism can adopt following scheme to replace: driving mechanism comprises several along the circumferential equally distributed cylinder of movable core rod 3, and the cylinder body of described cylinder is fixed on cover half body 1, and piston rod is fixedly connected with movable core rod 3.In order to improve movable core rod 3 kinetic stability, the quantity of cylinder is 3～8 and circumferentially evenly distributes along movable core rod 3.
According to actual conditions, the structure of inlet channel 1 can adopt following scheme to replace: the outlet of inlet channel 1 is positioned at fixedly on core rod 2 part 18 forming surface, and the exit is provided with the plug that can shutoff exports, and plug is fixedly connected with movable core rod 3.Movable core rod 3 motions drive connection or the cut-off that the plug motion realizes inlet channel 1.
Claims (9)
1. injection mold with barb class part comprises cover half body (1) and is fixed on fixedly core rod (2) on cover half body (1), it is characterized in that the outer movable mold core (3) that is arranged with of described fixedly core rod (2); Has barb forming tank (4) on described movable core rod (3); Be provided with the driving mechanism of energy driving activity core rod (3) axially reciprocating between described movable core rod (3) and cover half body (1); Described cover half body (1) is provided with can be with part (18) and inlet channel one (5) that fixedly between core rod (2), the space is connected.
2. the injection mold with barb class part according to claim 1, it is characterized in that, described cover half body (1) and fixedly have annular gathering sill (6) between core rod (2), the bottom of described movable core rod (3) is embedded in annular gathering sill (6).
3. the injection mold with barb class part according to claim 1, it is characterized in that, have outer scalene cone (8) on described fixedly core rod (2) lateral surface, have interior scalene cone (9) corresponding with outer scalene cone (8) and that can lean with outer scalene cone (8) on described movable core rod (3) medial surface.
4. the injection mold with barb class part according to claim 1, it is characterized in that, described driving mechanism comprises back-moving spring (10) and is arranged on cover half body (1) the pneumatic actuation assembly that can lean with movable core rod (3) end face, be equipped with release link (11) on described cover half body (1), an end of release link (11) is connected with movable core rod (3); One end of back-moving spring (10) and cover half body (1) lean, and the other end of the other end of back-moving spring (10) and release link (11) leans.
5. the injection mold with barb class part according to claim 1, it is characterized in that, described pneumatic actuation assembly comprises the annular spacing groove that is positioned on cover half body (1), be provided with elastic hollow in described annular spacing groove and drive circle, described elastic hollow drives the air inlet pipe that is fixed with on circle with intracavity inter-connection.
6. the injection mold with barb class part according to claim 1, it is characterized in that, described pneumatic actuation assembly comprises the annular air reservoir (15) that is positioned on cover half body (1), and being provided with in described annular air reservoir (15) can be along annular air reservoir (15) sidewall sealing ring (16) in axial sliding; Have the inlet channel two (17) that is connected in described cover half body (1) bottom annular air reservoir (15).
7. the injection mold with barb class part according to claim 1, it is characterized in that, described driving mechanism comprises that several are along the circumferential equally distributed cylinder of movable core rod (3), the cylinder body of described cylinder is fixed on cover half body (1), and piston rod is fixedly connected with movable core rod (3).
8. the injection mold with barb class part according to claim 1, is characterized in that, the outlet of described inlet channel one (5) is positioned at fixedly on the outer scalene cone of core rod (2) (8).
9. the injection mold with barb class part according to claim 1, it is characterized in that, the outlet of described inlet channel one (5) is positioned at fixedly on core rod (2) part (18) forming surface, described exit is provided with the plug of energy shutoff outlet, and described plug is fixedly connected with movable core rod (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310049849.3A CN103112128B (en) | 2013-01-31 | 2013-01-31 | There is the injection mold of barb class part |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310049849.3A CN103112128B (en) | 2013-01-31 | 2013-01-31 | There is the injection mold of barb class part |
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| Publication Number | Publication Date |
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| CN103112128A true CN103112128A (en) | 2013-05-22 |
| CN103112128B CN103112128B (en) | 2016-06-08 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201310049849.3A Active CN103112128B (en) | 2013-01-31 | 2013-01-31 | There is the injection mold of barb class part |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103273560A (en) * | 2013-06-04 | 2013-09-04 | 慈溪博格曼密封材料有限公司 | Forming mold for sealing pads of exhaust pipes |
| CN104494078A (en) * | 2014-12-17 | 2015-04-08 | 南通市通州区三槐机械制造有限公司 | Thread dental model forming device of automatic hose tube heading machine |
| CN107498812A (en) * | 2017-09-01 | 2017-12-22 | 成都汽富晟长泰汽车塑料制品有限公司 | A kind of method for preventing mould plug from rotating |
| CN108312445A (en) * | 2018-05-04 | 2018-07-24 | 思柏精密模具注塑（无锡）有限公司 | A kind of injection mold of oil can bottom of the pot |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3482814A (en) * | 1968-07-17 | 1969-12-09 | Reflex Corp Canada Ltd | Mold apparatus for making safety caps |
| CN102335985A (en) * | 2010-07-28 | 2012-02-01 | 日进教学器材(昆山)有限公司 | Die gap gas-aid ejection pin mechanism |
| CN203157034U (en) * | 2013-01-31 | 2013-08-28 | 台州市黄岩汉威塑料模具有限公司 | Injection mold with barb type parts |
-
2013
- 2013-01-31 CN CN201310049849.3A patent/CN103112128B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3482814A (en) * | 1968-07-17 | 1969-12-09 | Reflex Corp Canada Ltd | Mold apparatus for making safety caps |
| CN102335985A (en) * | 2010-07-28 | 2012-02-01 | 日进教学器材(昆山)有限公司 | Die gap gas-aid ejection pin mechanism |
| CN203157034U (en) * | 2013-01-31 | 2013-08-28 | 台州市黄岩汉威塑料模具有限公司 | Injection mold with barb type parts |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103273560A (en) * | 2013-06-04 | 2013-09-04 | 慈溪博格曼密封材料有限公司 | Forming mold for sealing pads of exhaust pipes |
| CN104494078A (en) * | 2014-12-17 | 2015-04-08 | 南通市通州区三槐机械制造有限公司 | Thread dental model forming device of automatic hose tube heading machine |
| CN104494078B (en) * | 2014-12-17 | 2017-01-25 | 南通市通州区三槐机械制造有限公司 | Thread dental model forming device of automatic hose tube heading machine |
| CN107498812A (en) * | 2017-09-01 | 2017-12-22 | 成都汽富晟长泰汽车塑料制品有限公司 | A kind of method for preventing mould plug from rotating |
| CN108312445A (en) * | 2018-05-04 | 2018-07-24 | 思柏精密模具注塑（无锡）有限公司 | A kind of injection mold of oil can bottom of the pot |
| CN108312445B (en) * | 2018-05-04 | 2024-02-27 | 思柏精密科技股份有限公司 | Injection mold at bottom of oilcan kettle |
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|---|---|
| CN103112128B (en) | 2016-06-08 |
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Effective date of registration: 20180511 Address after: 318027 Mou Village, Xin Qian street, Huangyan District, Taizhou, Zhejiang Patentee after: Taizhou municipal solid mold plastic Polytron Technologies Inc Address before: 318020 28, Ling Yan Road, Huangyan West Industrial Zone, Taizhou, Zhejiang. Patentee before: Taizhou Huangyan Union Mould Industry Co., Ltd. |
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