CN203092976U - Spiral demoulding device of helical gear injection mould - Google Patents
Spiral demoulding device of helical gear injection mould Download PDFInfo
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- CN203092976U CN203092976U CN 201320108279 CN201320108279U CN203092976U CN 203092976 U CN203092976 U CN 203092976U CN 201320108279 CN201320108279 CN 201320108279 CN 201320108279 U CN201320108279 U CN 201320108279U CN 203092976 U CN203092976 U CN 203092976U
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Abstract
The utility model provides a spiral demoulding device of a helical gear injection mould. The spiral demoulding device comprises a rotary cavity (1), a movable mould support plate (2), a pressing plate (3), a bearing A (4), a bearing B (4) and an ejector sleeve (5). The device composed of such members provided by the utility model is characterized in that an oblique-tooth profile which is used for forming a helical gear product and called as an oblique-tooth cavity is formed on the cavity sidewall of the rotary cavity, the rotary cavity is rotatably arranged between the movable mould support plate and the pressing plate through the bearing A and the bearing B, the upper part of the core rod of the ejector sleeve serves as a penetrating core for positioning a straight-tooth insert and is located at the center of the oblique-tooth cavity, the lower end of the core rod is fixedly connected with the base plate of the movable mould, the upper end of the sleeve of the ejector sleeve is located at the bottom of an insert hole under the oblique-tooth cavity, and the lower end of the sleeve part is fixedly connected with the top plate of the movable mould. With the technical scheme of putting the rotary cavity in rotating motion by means of the helical gear product moving straight, as a plurality of helical gear injection moulded products can be formed through one mould, the structure is simplified, and faults and cost are reduced.
Description
Technical field
The utility model relates to a kind of demoulding ejecting mechanism of injection mold, specifically is meant the spiral stripper apparatus of a kind of helical gear injection mold of the ejection device that is used for injection mo(u)lding helical gear goods.
Background technology
Injection mo(u)lding helical gear goods need carry out the spiral ejection device, prior art adopts by oil cylinder carries out the screw ejection device through rack drives gear rotating screw bolt drive goods, because the complex structure cost height of oil cylinder, tooth bar, gear and screw rod interlock switching mechanism, especially the cost of manufacture that makes a mould have more the injection mold of helical gear goods occupies high, and because the motion conversion links is many, the trouble point is many, cause the maintenance cost height of mould production run, therefore, prior art exists complex structure, fault is many, cost is high problems and shortcomings.
Summary of the invention
Problems and shortcomings at above-mentioned prior art existence, the utility model adopts the device that is made of rotation die cavity, dynamic model support plate, pressing plate, A bearing, B bearing, department's tube, the helical teeth profile that the cavity lateral of rotation die cavity is provided with moulding helical gear goods is called the helical teeth chamber, the rotation die cavity turns and is arranged between dynamic model support plate and the pressing plate by A bearing, B bearing, the top of the core bar of department tube is positioned at the center in described helical teeth chamber as the punching of location straight-tooth inserts, fixedlys connected with the base plate of dynamic model in the lower end of core bar; The upper end of the sleeve of department's tube is positioned at the bottom of the insert hole of below, helical teeth chamber, fixedlys connected with the top board of dynamic model in the sleeve part lower end; During work, the straight-tooth inserts be inserted in described punching be inserted in the insert hole and in described helical teeth chamber injection mo(u)lding be the helical gear goods, during the demoulding, the bottom that the upper end of the sleeve of department's tube promotes the straight-tooth inserts drives helical gear goods moving linearly forward, the helical gear goods of keeping straight on rotate by helical teeth chamber driven rotary die cavity, straight line and rotation synthesize screw, make the helical gear goods along punching from the helical teeth chamber in the demoulding technical scheme of coming out, a kind of spiral stripper apparatus of helical gear injection mold is provided, be intended to the mode that rotates by by the helical gear goods driven rotary die cavity of keeping straight on, make a mould have more the mould of helical gear injection-molded item, reach simplified structure, reduce fault, the purpose that reduces cost.
The purpose of this utility model is achieved in that a kind of spiral stripper apparatus of helical gear injection mold, comprise rotation die cavity, dynamic model support plate, pressing plate, A bearing, B bearing, department's tube, wherein: described rotation die cavity is provided with the steel components of the cylinder step of flange below being, the center of rotation die cavity is provided with up-small and down-big step cutting pattern through hole, the small stair hole on rotation die cavity top is called the helical teeth chamber, and the hole wall in described helical teeth chamber is provided with the profile of the cylinder helical teeth that is used for moulding helical gear goods; The big stepped hole of rotation die cavity bottom is called bush hole; Be provided with the A bearing above the external flange step of rotation die cavity, described A bearing is a radial ball bearing, the inner ring of A bearing and the cylinder stationary fit of rotating die cavity;
Described dynamic model support plate is the rectangular block shape steel components, be provided with columniform newel protruding upward above the dynamic model support plate, the junction of the cylinder of the top and described newel of dynamic model support plate is provided with around the groove of the annular of newel cylinder and is called caulking groove, the B bearing is housed in the described caulking groove, and described B bearing is the axial thrust ball bearing; The center of described newel is provided with up big and down small step cutting pattern through hole, and the big stepped hole on newel top is called insert hole, and the hole sidewall of described insert hole is provided with the profile of coincideing with the straight-tooth teeth shape of straight-tooth inserts; The small stair through hole of newel bottom is called wears a hole;
Described pressing plate is the rectangular block shape steel components, and pressing plate is provided with the up-small and down-big step cutting pattern through hole that passes the rotation die cavity and is called the commentaries on classics lumen pore, the outer ring stationary fit of the hole wall of the big step through-hole of the bottom of described commentaries on classics lumen pore and described A bearing;
Described department tube for the mould that constitutes by core bar and sleeve with ejecting element, wherein, the top of the core bar of department tin is arranged to cooperate the step of the centre bore of helical gear goods and straight-tooth inserts to be called punching;
The described bush hole slip cap of rotation die cavity is on the described newel of dynamic model support plate, pressing plate be fixedly connected on the dynamic model support plate above, the described commentaries on classics lumen pore of pressing plate is slidingly matched with the outer post jamb of rotation die cavity, pressing plate rolls with the rotation die cavity by described A bearing and is connected, and rotates being connected below by rolling with the dynamic model support plate with the upward circle contact of described B bearing of die cavity; The sleeve of department's tube slides and is positioned at a described hole of wearing of dynamic model support plate, and the upper end of sleeve is concordant with the bottom surface of the described insert hole of newel, fixedlys connected with the top board of dynamic model in the lower end of sleeve; The described punching of the core bar of department's tube vertically is positioned at the described insert hole of newel and rotates the center in the described helical teeth chamber of die cavity, fixedlys connected with the base plate of dynamic model in the lower end of core bar; The dynamic model support plate be fixedly connected on the mould pin above.
Operation principle and beneficial effect
During application, mould is horizontal installation, and the above-below direction that structure is described is the fore-and-aft direction of job description.
During work, the straight-tooth inserts is inserted in described punching and fixes by described insert hole, mold-closing injection, the straight-tooth inserts is the helical gear goods with injection molding in the helical teeth chamber, during the demoulding, the sleeve of top board pushing tow department tube moves forward, the bottom drive helical gear goods that the upper end of the sleeve of department's tube promotes the straight-tooth inserts move forward as straight line, this moment, the straight-tooth inserts was stumbled by the embedding of insert hole still, therefore, when the helical gear goods moved forward as straight line, the helical teeth tooth of helical gear goods rotated through helical teeth chamber driven rotary die cavity, the rotation with rectilinear motion synthesize screw, make the helical gear goods along punching from the helical teeth chamber in the demoulding come out.
This device is realized the demoulding of helical gear goods by the mode that is synthesized screw by the helical gear goods driven rotary die cavity rotation of keeping straight on, it is simple in structure, reliable operation, cost is low, especially be fit to the application that a mould has more helical gear injection mold, make a mould have more the mould of helical gear injection-molded item, simplify the structure, reduced fault, reduced cost.
Above-mentioned, the utility model adopts the device that is made of rotation die cavity, dynamic model support plate, pressing plate, A bearing, B bearing, department's tube, the helical teeth profile that the cavity lateral of rotation die cavity is provided with moulding helical gear goods is called the helical teeth chamber, the rotation die cavity turns and is arranged between dynamic model support plate and the pressing plate by A bearing, B bearing, the top of the core bar of department tube is positioned at the center in described helical teeth chamber as the punching of location straight-tooth inserts, fixedlys connected with the base plate of dynamic model in the lower end of core bar; The upper end of the sleeve of department's tube is positioned at the bottom of the insert hole of below, helical teeth chamber, fixedlys connected with the top board of dynamic model in the sleeve part lower end; During work, the straight-tooth inserts be inserted in described punching be inserted in the insert hole and in described helical teeth chamber injection mo(u)lding be the helical gear goods, during the demoulding, the bottom that the upper end of the sleeve of department's tube promotes the straight-tooth inserts drives helical gear goods moving linearly forward, the helical gear goods of keeping straight on rotate by helical teeth chamber driven rotary die cavity, straight line and rotation synthesize screw, make the helical gear goods along punching from the helical teeth chamber in the demoulding technical scheme of coming out, overcome prior art and had complex structure, fault is many, the problems and shortcomings that cost is high, the spiral stripper apparatus of a kind of helical gear injection mold that is provided, by the mode that rotates by the helical gear goods driven rotary die cavity of keeping straight on, make a mould have more the mould of helical gear injection-molded item, reached simplified structure, reduce fault, the purpose that reduces cost.
Description of drawings
Fig. 1 is the spiral stripper apparatus of a kind of helical gear injection mold of the present utility model, is arranged in a mould and has more the structural representation of using mould;
Fig. 2 is a kind of schematic diagram of helical gear injection-molded item;
Fig. 3 is the spiral stripper apparatus of a kind of helical gear injection mold of the present utility model, is operated in the principle schematic of the synthetic spiral demoulding tense of helical gear goods.
Below in conjunction with the embodiment in the accompanying drawing the utility model is described in further detail, but should not be construed as any restriction of the present utility model.
Among the figure: rotate die cavity 1, dynamic model support plate 2, newel 21, pressing plate 3, A bearing 4, B bearing 41, department's tube 5, dynamic model 01, top board 011, base plate 012, mould pin 013, cover half 02, take off material version 021, flow distribution plate 022, guide pillar 023, hook pull bar 024, panel 025, cast gate 026, cold burden head 03, helical gear goods 04, straight-tooth inserts 041.
The specific embodiment
Consult Fig. 1～Fig. 3, the spiral stripper apparatus of a kind of helical gear injection mold of the present utility model, comprise rotation die cavity 1, dynamic model support plate 2, pressing plate 3, A bearing 4, B bearing 41, department's tube 5, wherein: described rotation die cavity 1 is provided with the steel components of the cylinder step of flange below being, the center of rotation die cavity 1 is provided with up-small and down-big step cutting pattern through hole, the small stair hole on rotation die cavity 1 top is called the helical teeth chamber, and the hole wall in described helical teeth chamber is provided with the profile of the cylinder helical teeth that is used for moulding helical gear goods 04; The big stepped hole of rotation die cavity 1 bottom is called bush hole; Be provided with A bearing 4 above the external flange step of rotation die cavity 1, described A bearing 4 is a radial ball bearing, the inner ring of A bearing 4 and the cylinder stationary fit of rotating die cavity 1;
Described dynamic model support plate 2 is the rectangular block shape steel components, be provided with columniform newel 21 protruding upward above the dynamic model support plate 2, the junction of the cylinder of the top and described newel 21 of dynamic model support plate 2 is provided with around the groove of the annular of newel 21 cylinders and is called caulking groove, B bearing 41 is housed in the described caulking groove, and described B bearing 41 is the axial thrust ball bearing; The center of described newel 21 is provided with up big and down small step cutting pattern through hole, and the big stepped hole on newel 21 tops is called insert hole, and the hole sidewall of described insert hole is provided with the profile of coincideing with the straight-tooth teeth shape of straight-tooth inserts 041; The small stair through hole of newel 21 bottoms is called wears a hole;
Described pressing plate 3 is the rectangular block shape steel components, and pressing plate 3 is provided with the up-small and down-big step cutting pattern through hole that passes rotation die cavity 1 and is called the commentaries on classics lumen pore, the outer ring stationary fit of the hole wall of the big step through-hole of the bottom of described commentaries on classics lumen pore and described A bearing 4;
Described department tube 5 for the mould that constitutes by core bar and sleeve with ejecting element, wherein, the top of the core bar of department tins 5 is arranged to cooperate the step of the centre bore of helical gear goods 04 and straight-tooth inserts 041 to be called punching;
The described bush hole slip cap of rotation die cavity 1 is on the described newel 21 of dynamic model support plate 2, pressing plate 3 be fixedly connected on dynamic model support plate 2 above, the described commentaries on classics lumen pore of pressing plate 3 is slidingly matched with the outer post jamb of rotation die cavity 1, pressing plate 3 rolls with rotation die cavity 1 by described A bearing 4 and is connected, and rotates being connected below by rolling with dynamic model support plate 2 with the upward circle contact of described B bearing 41 of die cavity 1; The sleeve of department's tube 5 slides and is positioned at a described hole of wearing of dynamic model support plate 2, and the upper end of sleeve is concordant with the bottom surface of the described insert hole of newel 21, fixedlys connected with the top board of dynamic model 011 in the lower end of sleeve; The described punching of the core bar of department's tube 5 vertically is positioned at the described insert hole of newel 21 and rotates the center in the described helical teeth chamber of die cavity 1, fixedlys connected with the base plate of dynamic model 012 in the lower end of core bar; Dynamic model support plate 2 be fixedly connected on mould pin 013 above.
Operation principle and beneficial effect
During application, mould is horizontal installation, and the above-below direction that structure is described is the fore-and-aft direction of job description.
During work, straight-tooth inserts 041 is inserted in described punching and fixes by described insert hole, mold-closing injection, straight-tooth inserts 041 is helical gear goods 04 with injection molding in the helical teeth chamber, during the demoulding, the sleeve of top board 011 pushing tow department tube 5 moves forward, the bottom that the upper end of the sleeve of department tube 5 promotes straight-tooth inserts 041 drives helical gear goods 04 and moves forward as straight line, straight-tooth inserts 041 is stumbled by the embedding of insert hole still at this moment, therefore, when helical gear goods 04 move forward as straight line, the helical teeth tooth of helical gear goods 04 rotates through helical teeth chamber driven rotary die cavity 1, the rotation with rectilinear motion synthesize screw, make helical gear goods 04 along punching from the helical teeth chamber in the demoulding come out.
This device is realized the demoulding of helical gear goods 04 by the mode that is synthesized screw by helical gear goods 04 driven rotary die cavity 1 rotation of keeping straight on, it is simple in structure, reliable operation, cost is low, especially be fit to the application that a mould has more helical gear injection mold, make a mould have more the mould of helical gear injection-molded item, simplify the structure, reduced fault, reduced cost.
Claims (1)
1. the spiral stripper apparatus of a helical gear injection mold, comprise rotation die cavity (1), dynamic model support plate (2), pressing plate (3), A bearing (4), B bearing (41), department's tube (5), it is characterized in that: described rotation die cavity (1) is provided with the steel components of the cylinder step of flange below being, the center of rotation die cavity (1) is provided with up-small and down-big step cutting pattern through hole, the small stair hole on rotation die cavity (1) top is called the helical teeth chamber, and the hole wall in described helical teeth chamber is provided with the profile of the cylinder helical teeth that is used for moulding helical gear goods (04); The big stepped hole of rotation die cavity (1) bottom is called bush hole; Be provided with A bearing (4) above the external flange step of rotation die cavity (1), described A bearing (4) is a radial ball bearing, the inner ring of A bearing (4) and the cylinder stationary fit of rotating die cavity (1);
Described dynamic model support plate (2) is the rectangular block shape steel components, be provided with columniform newel (21) protruding upward above the dynamic model support plate (2), the junction of the cylinder of the top and described newel (21) of dynamic model support plate (2) is provided with around the groove of the annular of newel (21) cylinder and is called caulking groove, B bearing (41) is housed in the described caulking groove, and described B bearing (41) is the axial thrust ball bearing; The center of described newel (21) is provided with up big and down small step cutting pattern through hole, and the big stepped hole on newel (21) top is called insert hole, and the hole sidewall of described insert hole is provided with the profile of coincideing with the straight-tooth teeth shape of straight-tooth inserts (041); The small stair through hole of newel (21) bottom is called wears a hole;
Described pressing plate (3) is the rectangular block shape steel components, and pressing plate (3) is provided with the up-small and down-big step cutting pattern through hole that passes rotation die cavity (1) and is called the commentaries on classics lumen pore, the outer ring stationary fit of the hole wall of the big step through-hole of the bottom of described commentaries on classics lumen pore and described A bearing (4);
Described department tube (5) for the mould that constitutes by core bar and sleeve with ejecting element, wherein, the top of the core bar of department tin (5) is arranged to cooperate the step of the centre bore of helical gear goods (04) and straight-tooth inserts (041) to be called punching;
The described bush hole slip cap of rotation die cavity (1) is on the described newel (21) of dynamic model support plate (2), pressing plate (3) be fixedly connected on dynamic model support plate (2) above, the described commentaries on classics lumen pore of pressing plate (3) is slidingly matched with the outer post jamb of rotation die cavity (1), pressing plate (3) rolls with rotation die cavity (1) by described A bearing (4) and is connected, and rotates being connected below by rolling with dynamic model support plate (2) with the upward circle contact of described B bearing (41) of die cavity (1); The sleeve of department's tube (5) slides and is positioned at a described hole of wearing of dynamic model support plate (2), and the upper end of sleeve is concordant with the bottom surface of the described insert hole of newel (21), fixedlys connected with the top board of dynamic model (011) in the lower end of sleeve; The described punching of the core bar of department's tube (5) vertically is positioned at the described insert hole of newel (21) and rotates the center in the described helical teeth chamber of die cavity (1), fixedlys connected with the base plate of dynamic model (012) in the lower end of core bar; Dynamic model support plate (2) be fixedly connected on mould pin (013) above.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320108279 CN203092976U (en) | 2013-02-02 | 2013-02-02 | Spiral demoulding device of helical gear injection mould |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320108279 CN203092976U (en) | 2013-02-02 | 2013-02-02 | Spiral demoulding device of helical gear injection mould |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203092976U true CN203092976U (en) | 2013-07-31 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320108279 Withdrawn - After Issue CN203092976U (en) | 2013-02-02 | 2013-02-02 | Spiral demoulding device of helical gear injection mould |
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| CN (1) | CN203092976U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103121277A (en) * | 2013-02-02 | 2013-05-29 | 宁波思迈工业科技有限公司 | Spiral demoulding device of bevel gear injection mold |
| CN115157581A (en) * | 2022-07-27 | 2022-10-11 | 歌尔股份有限公司 | Demolding device and injection mold |
-
2013
- 2013-02-02 CN CN 201320108279 patent/CN203092976U/en not_active Withdrawn - After Issue
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103121277A (en) * | 2013-02-02 | 2013-05-29 | 宁波思迈工业科技有限公司 | Spiral demoulding device of bevel gear injection mold |
| CN115157581A (en) * | 2022-07-27 | 2022-10-11 | 歌尔股份有限公司 | Demolding device and injection mold |
| CN115157581B (en) * | 2022-07-27 | 2024-04-30 | 歌尔股份有限公司 | Demolding device and injection mold |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20130731 Effective date of abandoning: 20150318 |
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| RGAV | Abandon patent right to avoid regrant |