CN201329659Y - Injection mold dynamic and fixed mould bidirectional helical ejection mechanism - Google Patents
Injection mold dynamic and fixed mould bidirectional helical ejection mechanism Download PDFInfo
- Publication number
- CN201329659Y CN201329659Y CNU2009200018086U CN200920001808U CN201329659Y CN 201329659 Y CN201329659 Y CN 201329659Y CN U2009200018086 U CNU2009200018086 U CN U2009200018086U CN 200920001808 U CN200920001808 U CN 200920001808U CN 201329659 Y CN201329659 Y CN 201329659Y
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Abstract
The utility model provides a injection mold dynamic and fixed mould bidirectional helical ejection mechanism which comprises a rotating core (1), a helicoidal groove guide hole (2), a helical rail guide pole (3), a Servo rotation shore (4) and a mould cavity (5). In the utility model, a fixed mould is provided with the rotating core (1); and the dynamic mould is provided with the helicoidal groove guide hole (2) and the Servo rotation shore (4). The technical scheme produces products of big lead inside and outside screw thread moulding pieces automatically by utilizing actions of mould opening and mould ejection of the mould machine, which overcomes problems and deficiency of existing same mould with high manufacturing price and cost, or low efficiency with many work staff in prior art, and the injection mold dynamic and fixed mould bidirectional helical ejection mechanism provided in the utility model makes the injection mould with spiral demould that can produce products with big lead inside and outside screw thread moulding pieces automatically realize purpose of lowering down mould cost and improving production efficiency.
Description
Technical field
The utility model relates to a kind of mould emptier of injection mold; specifically be meant in the injection forming mold that is applied in big helical pitch internal and external threads plastic member product; utilize the die sinking of molding machine, the process of ejection device; the two-way rotation of active and inactive mold internal mechanism, a kind of injection mold moving and stationary mold bidirectional helical demolding mechanism of the realization plastic member product auto spiral formula demoulding.
Background technology
The demoulding of the screw thread class injection-molded item of having relatively high expectations must be adopted the spiral demoulding.The spiral mould emptier of the injection mold of prior art mainly is divided into rack-and-pinion method, motor method, inserts method.The rack-and-pinion method, be to utilize the die sinking of molding machine, the process of ejection device, draw, push away the tooth bar engaging tooth crop rotation that is located in the mold releasability mechanism and axially rotate, thereby drive core or die cavity rotate the thread plastic part goods, this method is generally used for the spiral demoulding of single-ended screw thread injection-molded item; The motor method is to utilize the mould emptier of the motor-driven mould inside that is located at the mould outside to do axially rotation, and the thread plastic part goods are deviate from rotation, and this fado is used for the spiral demoulding of both-end screw thread injection-molded item; The inserts method, be that the movable inserts of discrete goods is embedded injection mo(u)lding in the mould, taking-up activity inserts, by frock or instrument by manually the screw thread injection-molded item being screwed out from movable inserts, during actual production, often by the turnover by turns of many groups activity inserts, this fado is used for the spiral demoulding of the less screw thread injection-molded item of body.
Above-mentioned rack-and-pinion method, the injection mold of motor method, relative goods, bulky involving great expense; For big helical pitch internal and external threads plastic member product, also need to increase high speed in the mould emptier than deceleration device, make that the cost of mould is more high; And the auxiliary recruitment of inserts rule is many, and working strength is big, and production efficiency is low.To sum up, there is the expensive cost height of mould cost in prior art, or the how inefficient problems and shortcomings of production labor.
Summary of the invention
Problems and shortcomings at above-mentioned prior art existence; the utility model adopts rotating core is set on cover half; spiral track guide pillar, servo-actuated rotation fore-set are set on dynamic model; utilize the action of molding machine die sinking, ejection device; automatically screw out the technical scheme of big helical pitch internal and external threads plastic member product; a kind of injection mold moving and stationary mold bidirectional helical demolding mechanism is provided; be intended to make the injection mold of the spiral demoulding of big helical pitch internal and external threads plastic member product, reach the purpose that reduces die cost, enhances productivity.
The purpose of this utility model is achieved in that injection mold moving and stationary mold bidirectional helical demolding mechanism comprises rotating core, the helicla flute guide hole, the spiral track guide pillar, servo-actuated rotation fore-set, die cavity, wherein: described rotating core is inverted cylinder step turriform member, end face center, top is provided with the step through-hole of the cast gate that is slidingly matched, and be provided with the cannelure of settling thrust bearing, the bottom is provided with big helical pitch internal thread core, the upper step cylinder is provided with four five equilibriums, with core thread rotary orientation and the identical helicla flute of helical angle, following one deck step cylinder is the mating surface of radial bearing; Described helicla flute guide hole is to be arranged on the cover half match plate end face, the wall groove of four five equilibriums that the rectangular opening of four five equilibriums of the spiral track that is slidingly matched guide pillar, duct pass the ring slot outside wall of the rotating core upper step cylinder that is slidingly matched on match plate and the gate plate bottom face communicates; Described spiral track guide pillar is the rectangle guide pillar that is fixed on four five equilibriums on the dynamic model match plate end face, and cylinder is provided with the spiral track of the projection identical with die cavity thread rotary orientation and helical angle towards the one side of plate face vertical axis; Described servo-actuated rotation fore-set is "T"-shaped step cylinder, and the big step end face in top is provided with the rectangle pawl head of the projection of four five equilibriums, and bottom small stair cylinder is the mating surface of thrust bearing; Described die cavity is the externally threaded die cavity of big helical pitch that is arranged on the hole wall of dynamic model match plate end face mold insert center, and the bottom of die cavity is the end face of the big step in top of servo-actuated rotation fore-set.
Combination (each parts mutual alignment relation):
Rotating core is mixed bearing, place cover half, die cavity is fixed on the dynamic model, the small stair cylinder of servo-actuated rotation fore-set passes die cavity and moving platen, the end face of its big step in top constitutes the bottom of die cavity, bottom small stair cylinder is mixed thrust bearing, tail end contacts with the jacking block that revolves of being furnished with thrust bearing, be linked to be the rotating one combination of cylinder with top board through screw rod again, when calmly, moving the matched moulds state, the spiral track guide pillar of dynamic model slides and inserts in the duct of cover half helicla flute guide hole, and its spiral track meshes with the helicla flute slip of the rotating core that is positioned at cover half.The miscellaneous part assembling of mould is omitted.
Operation principle:
Mould is fixed first, during dynamic model contraposition amalgamation, by being located at the alignment holes of cover half lateral wall, stir the helicla flute of rotating core, makes it and the spiral track of inserting the spiral track guide pillar helicla flute guide hole duct in is slided and meshed; The normal matched moulds of going up machine production then no longer needs above-mentioned contraposition amalgamation.
During last machine production die sinking, when the dynamic model somatotype retreats, the spiral track guide pillar slides when extracting the duct of cover half helicla flute guide hole out, spiral track on the spiral track guide pillar drives the helicla flute that meshes with its slip rotates rotating core, the female thread portion of big helical pitch internal and external threads plastic member product and cast gate stub bar be along with dynamic model retreats, and whiz comes out from the core; During ejection device, the tail fore-set is the top board of pushing tow dynamic model forward, top board promotes servo-actuated rotation fore-set and moves forward pushing tow and be in goods in the die cavity, under the acting in conjunction of the thread tooth type of bearing, pawl head and die cavity, the male thread portion of goods is pushed forward along the thread tooth type of die cavity, and whiz comes out, servo-actuated rotation fore-set is done passive and synchronous rotation in pushing tow goods whiz.
Above-mentioned; the utility model adopts rotating core is set on cover half; the spiral track guide pillar is set on dynamic model; servo-actuated rotation fore-set; utilize the molding machine die sinking; the action of ejection device; automatically screw out the technical scheme of big helical pitch internal and external threads plastic member product; overcome the expensive cost height of similar mould cost that prior art exists; or the how inefficient problems and shortcomings of production labor; a kind of injection mold moving and stationary mold bidirectional helical demolding mechanism that is provided; make the injection mold of the spiral demoulding of big helical pitch internal and external threads plastic member product, reached the reduction die cost; the purpose of enhancing productivity.
Description of drawings
Fig. 1 is a mould of using injection mold moving and stationary mold bidirectional helical demolding mechanism of the present utility model, and structure moving, when cover half separates vertically is dissected schematic diagram;
Fig. 2 is a mould of using injection mold moving and stationary mold bidirectional helical demolding mechanism of the present utility model, moving, the anatomical axis mapping when cover half separates vertically;
Fig. 3 is the axonometric drawing of the rotating core parts of injection mold moving and stationary mold bidirectional helical demolding mechanism of the present utility model;
Fig. 4 is the axonometric drawing of big helical pitch internal and external threads plastic member product;
Fig. 5 is the axonometric drawing of overlooking of Fig. 4;
Fig. 6 is a mould of using injection mold moving and stationary mold bidirectional helical demolding mechanism of the present utility model, the outward appearance axonometric drawing of cover half part;
Fig. 7 is a mould of using injection mold moving and stationary mold bidirectional helical demolding mechanism of the present utility model, the outward appearance axonometric drawing of dynamic model part;
Fig. 8 is a mould of using injection mold moving and stationary mold bidirectional helical demolding mechanism of the present utility model, screws out the tense schematic diagram of goods in the work during die sinking;
Fig. 9 is a mould of using injection mold moving and stationary mold bidirectional helical demolding mechanism of the present utility model, screws out the tense schematic diagram of goods in the work during ejection device.
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: rotating core 1, helicla flute 11, core 12, helicla flute guide hole 2, spiral track guide pillar 3, spiral track 31, servo-actuated rotation fore-set 4, pawl head 41, die cavity 5, radial bearing 6, thrust bearing 7, cover half 01, dynamic model 02, top board 021, revolve jacking block 022, big helical pitch internal and external threads plastic member product 03, alignment holes 04, tail fore-set 05.
The specific embodiment
Consult Fig. 1, Fig. 2, Fig. 3, Fig. 4, Fig. 5, Fig. 6, Fig. 7, Fig. 8, Fig. 9, a kind of injection mold moving and stationary mold bidirectional helical demolding mechanism of the present utility model comprises rotating core 1, helicla flute guide hole 2, spiral track guide pillar 3, servo-actuated rotation fore-set 4, die cavity 5, wherein: described rotating core 1 is inverted cylinder step turriform member, end face center, top is provided with the step through-hole of the cast gate that is slidingly matched, and be provided with the cannelure of settling thrust bearing 7, the bottom is provided with big helical pitch internal thread core 12, the upper step cylinder is provided with four five equilibriums, with core 12 thread rotary orientations and the identical helicla flute 11 of helical angle, following one deck step cylinder is the mating surface of radial bearing 6; Described helicla flute guide hole 2 is for to be arranged on the cover half 01 match plate end face, the wall groove of four five equilibriums that the rectangular opening of four five equilibriums of the spiral track that is slidingly matched guide pillar 3, duct pass the ring slot outside wall of the rotating core 1 upper step cylinder that is slidingly matched on match plate and the gate plate bottom face communicates; Described spiral track guide pillar 3 is for being fixed on the rectangle guide pillar of four five equilibriums on the dynamic model 02 match plate end face, and cylinder is provided with the spiral track 31 of the projection identical with die cavity 5 thread rotary orientations and helical angle towards the one side of plate face vertical axis; Described servo-actuated rotation fore-set 4 is "T"-shaped step cylinder, and the big step end face in top is provided with the rectangle pawl head 41 of the projection of four five equilibriums, and bottom small stair cylinder is the mating surface of thrust bearing 7; Described die cavity 5 is for being arranged on the externally threaded die cavity of big helical pitch on the dynamic model 02 match plate end face mold insert center hole wall, and the bottom of die cavity is the end face of the big step in top of servo-actuated rotation fore-set 4.
Combination (each parts mutual alignment relation):
Rotating core 1 is mixed bearing, place cover half 01, die cavity 5 is fixed on the dynamic model 02, the small stair cylinder of servo-actuated rotation fore-set 4 passes die cavity 5 and dynamic model 02 plate, the end face of its big step in top constitutes the bottom of die cavity 5, bottom small stair cylinder is mixed thrust bearing 7, tail end contacts with the jacking block 022 that revolves of being furnished with thrust bearing 7, be linked to be the rotating one combination of cylinder with top board 021 through screw rod again, fixed, when moving the matched moulds state, the spiral track guide pillar 3 of dynamic model 02 slides and inserts in the duct of cover half 01 helicla flute guide hole 2, and its spiral track 31 meshes with helicla flute 11 slips of the rotating core 1 that is positioned at cover half 01.The miscellaneous part assembling of mould is omitted.
Operation principle:
Mould is fixed first, during dynamic model contraposition amalgamation, by being located at the alignment holes 04 of cover half 01 lateral wall, stir the helicla flute 11 of rotating core 1, makes it and the spiral track 31 of inserting the spiral track guide pillar 3 helicla flute guide hole 2 ducts in is slided and meshed; The normal matched moulds of going up machine production then no longer needs above-mentioned contraposition amalgamation.
During last machine production die sinking, when dynamic model 02 somatotype retreats, spiral track guide pillar 3 slides when extracting the duct of cover half 01 helicla flute guide hole 2 out, spiral track 31 on the spiral track guide pillar 3 drives the helicla flute 11 that meshes with its slip rotates rotating core 1, the female thread portion of big helical pitch internal and external threads plastic member product 03 and cast gate stub bar be along with dynamic model 02 retreats, and whiz comes out from the core 12; During ejection device, tail fore-set 05 is the top board 021 of pushing tow dynamic model 02 forward, top board 021 promotes servo-actuated rotation fore-set 4 and moves forward pushing tow and be in goods in the die cavity 5, under the acting in conjunction of the thread tooth type of bearing, pawl head 41 and die cavity 5, the male thread portion of goods is pushed forward along the thread tooth type of die cavity 5, and whiz comes out, servo-actuated rotation fore-set 4 is done passive and synchronous rotation in pushing tow goods whiz.
Claims (2)
1, injection mold moving and stationary mold bidirectional helical demolding mechanism comprises rotating core (1), helicla flute guide hole (2), spiral track guide pillar (3), servo-actuated rotation fore-set (4), die cavity (5), it is characterized in that: described rotating core (1) is inverted cylinder step turriform member, end face center, top is provided with the step through-hole of the cast gate that is slidingly matched, and be provided with the cannelure of settling thrust bearing (7), the bottom is provided with big helical pitch internal thread core (12), the upper step cylinder is provided with four five equilibriums, the helicla flute (11) identical with core (12) thread rotary orientation and helical angle, following one deck step cylinder is the mating surface of radial bearing (6); Described helicla flute guide hole (2) is for to be arranged on cover half (01) the match plate end face, the wall groove of four five equilibriums that the rectangular opening of four five equilibriums of the spiral track that is slidingly matched guide pillar (3), duct pass the ring slot outside wall of rotating core (1) the upper step cylinder that is slidingly matched on match plate and the gate plate bottom face communicates; Described spiral track guide pillar (3) is for being fixed on the rectangle guide pillar of four five equilibriums on dynamic model (02) the match plate end face, and cylinder is provided with the spiral track (31) of the projection identical with die cavity (5) thread rotary orientation and helical angle towards the one side of plate face vertical axis; Described servo-actuated rotation fore-set (4) is "T"-shaped step cylinder, and the big step end face in top is provided with the rectangle pawl head (41) of the projection of four five equilibriums, and bottom small stair cylinder is the mating surface of thrust bearing (7); Described die cavity (5) is for being arranged on the externally threaded die cavity of big helical pitch on the hole wall of dynamic model (02) match plate end face mold insert center, and the bottom of die cavity is the end face of the big step in top of servo-actuated rotation fore-set (4).
2, injection mold moving and stationary mold bidirectional helical demolding mechanism according to claim 1 is characterized in that: described each parts mutual alignment is closed and is, rotating core (1) is mixed bearing, places cover half (01), and die cavity 5 is fixed on the dynamic model (02); The small stair cylinder of servo-actuated rotation fore-set (4) passes die cavity (5) and dynamic model (02) plate, the end face of its big step in top constitutes the bottom of die cavity (5), bottom small stair cylinder is mixed thrust bearing (7), tail end contacts with the jacking block (022) that revolves of being furnished with thrust bearing (7), and is linked to be the rotating one combination of cylinder with top board (021) through screw rod; During fixed, moving matched moulds state, the spiral track guide pillar (3) of dynamic model (02) slides and inserts in the duct of cover half (01) helicla flute guide hole (2), the engagement of sliding of the helicla flute (11) of its spiral track (31) and the rotating core (1) that is positioned at cover half (01).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2009200018086U CN201329659Y (en) | 2009-01-06 | 2009-01-06 | Injection mold dynamic and fixed mould bidirectional helical ejection mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2009200018086U CN201329659Y (en) | 2009-01-06 | 2009-01-06 | Injection mold dynamic and fixed mould bidirectional helical ejection mechanism |
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| Publication Number | Publication Date |
|---|---|
| CN201329659Y true CN201329659Y (en) | 2009-10-21 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2009200018086U Expired - Lifetime CN201329659Y (en) | 2009-01-06 | 2009-01-06 | Injection mold dynamic and fixed mould bidirectional helical ejection mechanism |
Country Status (1)
| Country | Link |
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| CN (1) | CN201329659Y (en) |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101444949B (en) * | 2009-01-06 | 2010-12-01 | 宁海县大鹏模具塑料有限公司 | Injection mold moving and stationary mold bidirectional helical demolding mechanism |
| CN102275261A (en) * | 2011-05-04 | 2011-12-14 | 苏州威凯精密模具有限公司 | Injection mold for threaded products |
| CN102744836A (en) * | 2012-07-12 | 2012-10-24 | 宁波金氏实业有限公司 | Injection molding die of hexagonal valve body |
| CN103063485A (en) * | 2011-10-19 | 2013-04-24 | 中国石油化工股份有限公司 | Molding cup for rock sample treatment and determination method of rock sample volume |
| 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 |
| CN104227999A (en) * | 2014-09-01 | 2014-12-24 | 宁波市华宝塑胶模具股份有限公司 | Injection mould provided with mould stripping mechanism with annular structure |
| CN105881844A (en) * | 2016-04-06 | 2016-08-24 | 常州工学院 | Helical double-cylinder plastic gear forming and differential demoulding mechanism |
| CN111408723A (en) * | 2020-03-05 | 2020-07-14 | 宁波生久柜锁有限公司 | Special-shaped spiral core-pulling die |
-
2009
- 2009-01-06 CN CNU2009200018086U patent/CN201329659Y/en not_active Expired - Lifetime
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101444949B (en) * | 2009-01-06 | 2010-12-01 | 宁海县大鹏模具塑料有限公司 | Injection mold moving and stationary mold bidirectional helical demolding mechanism |
| CN102275261A (en) * | 2011-05-04 | 2011-12-14 | 苏州威凯精密模具有限公司 | Injection mold for threaded products |
| CN103063485A (en) * | 2011-10-19 | 2013-04-24 | 中国石油化工股份有限公司 | Molding cup for rock sample treatment and determination method of rock sample volume |
| CN103063485B (en) * | 2011-10-19 | 2015-08-26 | 中国石油化工股份有限公司 | A kind of rock sample process forming cup and rock sample cubage measuring method |
| CN102744836A (en) * | 2012-07-12 | 2012-10-24 | 宁波金氏实业有限公司 | Injection molding die of hexagonal valve body |
| CN102744836B (en) * | 2012-07-12 | 2014-05-28 | 宁波金氏实业有限公司 | Injection molding die of hexagonal valve body |
| 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 |
| CN104227999A (en) * | 2014-09-01 | 2014-12-24 | 宁波市华宝塑胶模具股份有限公司 | Injection mould provided with mould stripping mechanism with annular structure |
| CN105881844A (en) * | 2016-04-06 | 2016-08-24 | 常州工学院 | Helical double-cylinder plastic gear forming and differential demoulding mechanism |
| CN111408723A (en) * | 2020-03-05 | 2020-07-14 | 宁波生久柜锁有限公司 | Special-shaped spiral core-pulling die |
| CN111408723B (en) * | 2020-03-05 | 2022-03-15 | 宁波生久科技有限公司 | Special-shaped spiral core-pulling die |
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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: 20091021 Effective date of abandoning: 20090106 |