CN102744836B - Injection molding die of hexagonal valve body - Google Patents
Injection molding die of hexagonal valve body Download PDFInfo
- Publication number
- CN102744836B CN102744836B CN201210241322.6A CN201210241322A CN102744836B CN 102744836 B CN102744836 B CN 102744836B CN 201210241322 A CN201210241322 A CN 201210241322A CN 102744836 B CN102744836 B CN 102744836B
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- screw
- bar
- moulding
- spur gear
- plate
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Abstract
The invention discloses an injection molding die of a hexagonal valve body and belongs to the injection molding die. The injection molding die comprises a fixed template, a moveable template, a fixed die base plate, a moveable die base plate, a cushion plate, a push plate, a material push plate, a push plate fixing plate, a fixed die insert, a moveable die insert, a first screw thread automatic de-molding mechanism and a second screw thread automatic de-molding mechanism, wherein a molding cavity used for molding the hexagonal valve body is arranged between the fixed die insert and the moveable die insert; the first screw thread automatic de-molding mechanism is used for molding a first screw thread concave hole; and the second screw thread automatic de-molding mechanism is used for molding a second screw thread concave hole. The hexagonal valve body is high in production efficiency and relatively high in precision, and threads are not damaged.
Description
Technical field:
The present invention relates to a kind of injection mold, is specifically a kind of injection mold for moulding hexagonal valve body.
Background technology:
Product shown in Fig. 4 is the hexagonal valve body 101 of plastic material, the two ends, left and right of this product have the first screw thread shrinkage pool 102, there is the second screw thread shrinkage pool 103 below, and at present, the threaded plastic product of injection mo(u)lding adopts forced stripper mechanism and two kinds of modes of hand-stripping conventionally, forced stripper mechanism is to depend on thimble or push piece plate plastic product is forced to release from thread core, although it is simple in structure that the mould of this stripping means has, the advantage that production efficiency is high, but precision is not high, can make thread cut off for rectangle or the thread that approaches rectangle when the forced stripper mechanism, for the trigonodont screw thread of standard because cusp is very thin, forced stripper mechanism is distortion or scratch easily, and hand-stripping mode refers to after injection mold die sinking, plastic product is spun down from thread core by manual mode, although this stripping means can obtain higher formed precision, but during with manual back-out, efficiency is lower.
Summary of the invention:
The technical problem to be solved in the present invention is that not only formed precision is high to provide one can make the first screw thread shrinkage pool and the second screw thread shrinkage pool, and the hexagonal valve body injection mold of energy automatic demoulding.
Technical solution of the present invention is, provide a kind of hexagonal valve body injection mold with following structure: comprise solid plate, moving platen, top clamping plate, Bottom clamp plate, cushion block, push pedal, scraping wings, push pedal fixed head, fixed mold core and mavable module core, between fixed mold core and mavable module core, be provided with the die cavity for moulding hexagonal valve body, wherein, also comprise for the first Mould of Automatic Separating for Thread mechanism of moulding the first screw thread shrinkage pool with for the second Mould of Automatic Separating for Thread mechanism of moulding the second screw thread shrinkage pool, the first Mould of Automatic Separating for Thread mechanism comprises the first motor fixed plate, first supports backing plate, the first hydraulic motor and for the screw-type bar of moulding the first screw thread shrinkage pool, first supports backing plate is connected with moving platen, the first motor fixed plate and first supports backing plate and is connected, the first hydraulic motor is connected with the first motor fixed plate, the right-hand member of screw-type bar is provided with the first moulding screw thread for moulding the first screw thread shrinkage pool, screw-type bar is provided with the first thread segment, the right-hand member of screw-type bar is positioned at die cavity at the first moulding screw thread between fixed mold core and mavable module core and on screw-type bar, on the first thread segment of screw-type bar, be rotary with the first threaded sleeve, the left end cover of screw-type bar has the first axle sleeve, the first axle sleeve is connected with the first motor fixed plate, the first threaded sleeve and first supports backing plate and is connected, on the main shaft of the first hydraulic motor, be connected with the first spur gear, on screw-type bar, be connected with the second spur gear, the first motor fixed plate and first supports between backing plate and is provided with the 3rd spur gear, the first spur gear and the second spur gear all engage with the 3rd spur gear, the second Mould of Automatic Separating for Thread mechanism comprises the second support backing plate, the second motor fixed plate, back-up block, rotating shaft, the second hydraulic motor and for the intermediate bar of moulding the second screw thread shrinkage pool, outer loop bar and screw shell, second supports backing plate, the second motor fixed plate and back-up block are connected in turn between cushion block and Bottom clamp plate, the second hydraulic motor is connected with the second motor fixed plate, outer loop bar is enclosed within on intermediate bar, screw shell is enclosed within on outer loop bar, intermediate bar is all connected with Bottom clamp plate with outer loop bar, screw shell upper end is provided with the second moulding screw thread, screw shell is provided with the second thread segment, screw shell, intermediate bar, outer loop bar is all inserted in the second moulding screw thread on mavable module core and on screw shell, the upper end of intermediate bar, the upper end of outer loop bar is positioned at die cavity, on the second thread segment of screw shell, be rotary with the second threaded sleeve, the lower end cover of screw shell has the second axle sleeve, the second axle sleeve is connected with the second motor fixed plate, the second threaded sleeve is connected with moving platen, on the main shaft of the second hydraulic motor, be connected with the first sprocket wheel, on screw shell, be connected with the 4th spur gear, rotating shaft is rotating to be connected on the second support backing plate and the second motor fixed plate, in rotating shaft, be connected with the second sprocket wheel and the 5th spur gear, the 5th spur gear engages with the 4th spur gear, between the first sprocket wheel and the second sprocket wheel, connect by chain.
Hexagonal valve body injection mold of the present invention, wherein, push pedal is provided with top rod extension bar, and backing plate, the second motor fixed plate and Bottom clamp plate are supported through second successively in the bottom of top rod extension bar.
Hexagonal valve body injection mold of the present invention, wherein, the first motor fixed plate is provided with the first travel switch for controlling threaded rod displacement, and back-up block is provided with the second travel switch for controlling screw shell displacement.
Adopt after above structure, compared with prior art, hexagonal valve body injection mold of the present invention has the following advantages: when the demoulding, drive screw-type bar to rotate in the first threaded sleeve by the first hydraulic motor, screw-type bar can move axially to outer in the first threaded sleeve simultaneously, the first moulding screw thread on screw-type bar is screwed out in the first screw thread shrinkage pool, drive screw shell to rotate in the second threaded sleeve by the second hydraulic motor simultaneously, screw shell can move vertically downwards in the second threaded sleeve simultaneously, the second moulding screw thread on screw shell is screwed out in the second screw thread shrinkage pool, realize automatic demoulding, efficiency is higher, simultaneously, the optional demoulding of hexagonal valve body injection mold of the present invention, can not damage thread, guarantee precision.
The effect of top rod extension bar is: after die sinking, can promote easily push pedal by extension bar, finally be moved up the plastic product hexagonal valve body of moulding is released in mavable module core by push pedal.
The effect of the first travel switch and the second travel switch is respectively: in the time that threaded rod is encountered the first travel switch, the signal providing by the first travel switch can be controlled the first hydraulic motor and stop operating, in the time that screw shell is encountered the second travel switch, the signal providing by the second travel switch can be controlled the second hydraulic motor and stop operating.
Accompanying drawing explanation:
Fig. 1 is that the master of hexagonal valve body injection mold of the present invention is depending on partly cuing open structural representation;
Fig. 2 is the plan structure schematic diagram of Fig. 1;
Fig. 3 is that the right side of Fig. 1 is depending on partly cuing open structural representation;
Fig. 4 is the perspective view of plastic product hexagonal valve body.
The specific embodiment:
Below in conjunction with the drawings and specific embodiments, hexagonal valve body injection mold of the present invention is described in further detail:
As Fig. 1, Fig. 2, shown in Fig. 3 and Fig. 4, in this specific embodiment, hexagonal valve body injection mold of the present invention comprises solid plate 3, moving platen 4, top clamping plate 1, Bottom clamp plate 9, cushion block 5, push pedal 30, scraping wings 2, push pedal fixed head 29, fixed mold core 22, mavable module core 21 and for the first Mould of Automatic Separating for Thread mechanism of moulding the first screw thread shrinkage pool 102 with for the second Mould of Automatic Separating for Thread mechanism of moulding the second screw thread shrinkage pool 103, between fixed mold core 22 and mavable module core 21, be provided with the die cavity 40 for moulding hexagonal valve body 101, the first Mould of Automatic Separating for Thread mechanism specifically comprises the first motor fixed plate 16, first supports backing plate 19, the first hydraulic motor 12 and for the screw-type bar 14 of moulding the first screw thread shrinkage pool 102, first supports backing plate 19 is connected by screw with moving platen 4, the first motor fixed plate 16 and first supports backing plate 19 and is connected by screw, the first hydraulic motor 12 and the first motor fixed plate 16 are connected by screw, the right-hand member of screw-type bar 14 is provided with the first moulding screw thread 41 for moulding the first screw thread shrinkage pool 102, screw-type bar 14 is provided with the first thread segment 20, the right-hand member of screw-type bar 14 is positioned at die cavity 40 at the first moulding screw thread 41 between fixed mold core 22 and mavable module core 21 and on screw-type bar 14, on the first thread segment 20 of screw-type bar 14, be rotary with the first threaded sleeve 18, the left end cover of screw-type bar 14 has the first axle sleeve 15, the first axle sleeve 15 is connected with the first motor fixed plate 16, the first threaded sleeve 18 and first supports backing plate 19 and is connected, on the main shaft of the first hydraulic motor 12, be connected with the first spur gear 11 by flat key, on screw-type bar 14, be connected with the second spur gear 17 by flat key, the first motor fixed plate 16 and first supports between backing plate 19 and is provided with the 3rd spur gear 23, the first spur gear 11 and the second spur gear 17 all engage with the 3rd spur gear 23, the second Mould of Automatic Separating for Thread mechanism comprises the second support backing plate 6, the second motor fixed plate 7, back-up block 8, rotating shaft 35, the second hydraulic motor 39 and for the intermediate bar 26 of moulding the second screw thread shrinkage pool 103, outer loop bar 27 and screw shell 28, second supports backing plate 6, the second motor fixed plate 7 and back-up block 8 are connected in turn between cushion block 5 and Bottom clamp plate 9, the second hydraulic motor 39 is connected with the second motor fixed plate 7 by screw, outer loop bar 27 is enclosed within on intermediate bar 26, screw shell 28 is enclosed within on outer loop bar 27, intermediate bar 26 is all connected with Bottom clamp plate 9 with outer loop bar 27, screw shell 28 upper ends are provided with the second moulding screw thread 42, screw shell 28 is provided with the second thread segment 24, screw shell 28, intermediate bar 26, outer loop bar 27 is all inserted in the second moulding screw thread 42 on mavable module core 21 and on screw shell 28, the upper end of intermediate bar 26, the upper end of outer loop bar 27 is positioned at die cavity 40, on the second thread segment 24 of screw shell 28, be rotary with the second threaded sleeve 25, the lower end cover of screw shell 28 has the second axle sleeve 33, the second axle sleeve 33 is connected with the second motor fixed plate 7, the second threaded sleeve 25 is connected with moving platen 4, on the main shaft of the second hydraulic motor 39, be connected with the first sprocket wheel 38, on screw shell 28, be connected with the 4th spur gear 31, rotating shaft 35 is rotating to be connected on the second support backing plate 6 and the second motor fixed plate 7, in rotating shaft 35, be connected with the second sprocket wheel 34 and the 5th spur gear 36, the 5th spur gear 36 engages with the 4th spur gear 31, between the first sprocket wheel 38 and the second sprocket wheel 34, connect by chain 37, push pedal 30 is provided with top rod extension bar 32, backing plate 6 is supported through second successively in the bottom of top rod extension bar 32, the second motor fixed plate 7 and Bottom clamp plate 9, the first motor fixed plate is provided with the first travel switch 13 for controlling threaded rod displacement, back-up block 8 is provided with the second travel switch 10 for controlling screw shell 28 displacements.
The demoulding principle of hexagonal valve body injection mold of the present invention is, drive the first spur gear 11 to rotate by the rotation of the first hydraulic motor 12, the first spur gear 11 rotates and drives the 3rd spur gear 23 to rotate, the 3rd spur gear 23 rotates and drives the second spur gear 17 to rotate, the second spur gear 17 rotates and drives screw-type bar 14 in the interior rotation of the first threaded sleeve 18, screw-type bar 14 can be interior to moving axially outward at the first threaded sleeve 18 simultaneously, until screw-type bar 14 is encountered after the first travel switch 13, the first hydraulic motor 12 stops operating, make the first moulding screw thread 41 on screw-type bar 14 from the interior back-out of the first screw thread shrinkage pool 102, drive the first sprocket wheel 38 to rotate by the rotation of the second hydraulic motor 39 simultaneously, the rotation of the first sprocket wheel 38 drives the second sprocket wheel 34 to rotate by chain 37, the rotation of the second sprocket wheel 34 drives the 5th spur gear 36 to rotate by rotating shaft 35, the rotation of the 5th spur gear 36 drives the 4th spur gear 31 to rotate, make screw shell 28 in the interior rotation of the second threaded sleeve 25, simultaneously screw shell 28 can the second threaded sleeve 25 interior under move axially, until screw shell 28 is encountered after the second travel switch 10, the second hydraulic motor 39 stops operating, make the second moulding screw thread 42 on screw shell 28 from the interior back-out of the second screw thread shrinkage pool 103, at this moment, between moving platen 4 and solid plate 3, separate, by promoting top rod extension bar 32, a push pedal 30 plastic product hexagonal valve body 101 that moves up is released again, realize the demoulding of hexagonal valve body 101.
Above-described embodiment is described the preferred embodiment of the present invention; not scope of the present invention is limited; design under the prerequisite of spirit not departing from the present invention; various distortion and improvement that those of ordinary skills make technical scheme of the present invention, all should fall in the definite protection domain of the claims in the present invention book.
Claims (1)
1. a hexagonal valve body injection mold, comprise solid plate (3), moving platen (4), top clamping plate (1), Bottom clamp plate (9), cushion block (5), push pedal (30), scraping wings (2), push pedal fixed head (29), fixed mold core (22) and mavable module core (21), between described fixed mold core (22) and mavable module core (21), be provided with the die cavity (40) for moulding hexagonal valve body (101), it is characterized in that: also comprise for the first Mould of Automatic Separating for Thread mechanism of moulding the first screw thread shrinkage pool (102) with for the second Mould of Automatic Separating for Thread mechanism of moulding the second screw thread shrinkage pool (103), described the first Mould of Automatic Separating for Thread mechanism comprises the first motor fixed plate (16), first supports backing plate (19), the first hydraulic motor (12) and for the screw-type bar (14) of moulding the first screw thread shrinkage pool (102), described first supports backing plate (19) is connected with moving platen (4), described the first motor fixed plate (16) and first supports backing plate (19) and is connected, described the first hydraulic motor (12) is connected with the first motor fixed plate (16), the right-hand member of described screw-type bar (14) is provided with the first moulding screw thread (41) for moulding the first screw thread shrinkage pool (102), described screw-type bar (14) is provided with the first thread segment (20), the first moulding screw thread (41) that the right-hand member of described screw-type bar (14) is positioned between fixed mold core (22) and mavable module core (21) and on screw-type bar (14) is positioned at die cavity (40), on first thread segment (20) of described screw-type bar (14), be rotary with the first threaded sleeve (18), the left end cover of described screw-type bar (14) has the first axle sleeve (15), described the first axle sleeve (15) is connected with the first motor fixed plate (16), described the first threaded sleeve (18) and first supports backing plate (19) and is connected, on the main shaft of described the first hydraulic motor (12), be connected with the first spur gear (11), on described screw-type bar (14), be connected with the second spur gear (17), described the first motor fixed plate (16) and first supports between backing plate (19) and is provided with the 3rd spur gear (23), described the first spur gear (11) and the second spur gear (17) all engage with the 3rd spur gear (23), described the second Mould of Automatic Separating for Thread mechanism comprises the second support backing plate (6), the second motor fixed plate (7), back-up block (8), rotating shaft (35), the second hydraulic motor (39) and for the intermediate bar (26) of moulding the second screw thread shrinkage pool (103), outer loop bar (27) and screw shell (28), described second supports backing plate (6), the second motor fixed plate (7) and back-up block (8) are connected in turn between cushion block (5) and Bottom clamp plate (9), described the second hydraulic motor (39) is connected with the second motor fixed plate (7), described outer loop bar (27) is enclosed within on intermediate bar (26), described screw shell (28) is enclosed within on outer loop bar (27), described intermediate bar (26) is all connected with Bottom clamp plate (9) with outer loop bar (27), described screw shell (28) upper end is provided with the second moulding screw thread (42), described screw shell (28) is provided with the second thread segment (24), described screw shell (28), intermediate bar (26), outer loop bar (27) is all inserted in the second moulding screw thread (42) of mavable module core (21) above and on screw shell (28), the upper end of intermediate bar (26), the upper end of outer loop bar (27) is positioned at die cavity (40), on second thread segment (24) of described screw shell (28), be rotary with the second threaded sleeve (25), the lower end cover of described screw shell (28) has the second axle sleeve (33), described the second axle sleeve (33) is connected with the second motor fixed plate (7), described the second threaded sleeve (25) is connected with moving platen (4), on the main shaft of described the second hydraulic motor (39), be connected with the first sprocket wheel (38), on described screw shell (28), be connected with the 4th spur gear (31), described rotating shaft (35) is rotating to be connected on the second support backing plate (6) and the second motor fixed plate (7), in described rotating shaft (35), be connected with the second sprocket wheel (34) and the 5th spur gear (36), described the 5th spur gear (36) engages with the 4th spur gear (31), between described the first sprocket wheel (38) and the second sprocket wheel (34), connect by chain (37), described push pedal (30) is provided with top rod extension bar (32), backing plate (6) is supported through second successively in the bottom of described top rod extension bar (32), the second motor fixed plate (7) and Bottom clamp plate (9), described the first motor fixed plate is provided with the first travel switch (13) for controlling screw-type bar (14) displacement, described back-up block (8) is provided with the second travel switch (10) for controlling screw shell (28) displacement.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210241322.6A CN102744836B (en) | 2012-07-12 | 2012-07-12 | Injection molding die of hexagonal valve body |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210241322.6A CN102744836B (en) | 2012-07-12 | 2012-07-12 | Injection molding die of hexagonal valve body |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102744836A CN102744836A (en) | 2012-10-24 |
| CN102744836B true CN102744836B (en) | 2014-05-28 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210241322.6A Expired - Fee Related CN102744836B (en) | 2012-07-12 | 2012-07-12 | Injection molding die of hexagonal valve body |
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| CN (1) | CN102744836B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105500623A (en) * | 2015-12-30 | 2016-04-20 | 优力精密塑胶（苏州工业园区）有限公司 | Front mold thread core pulling mold and machining method thereof |
| CN108437375A (en) * | 2018-03-12 | 2018-08-24 | 苏州经贸职业技术学院 | Screw releases rotation stripping mechanism |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0217249A2 (en) * | 1985-09-21 | 1987-04-08 | Drilltec Patents & Technologies Company, Inc. | Method and apparatus for the injection moulding of covers and stoppers of plastic material provided with a screw thread, whereby the covers and stoppers are or are not with a reinforcing cage embedded in the plastic material |
| US5798074A (en) * | 1993-09-27 | 1998-08-25 | Husky Injection Molding Systems Ltd. | Process for forming a threaded molded plastic article |
| CN1583395A (en) * | 2004-05-25 | 2005-02-23 | 何同安 | Automatic demoulding device with thread plastic piece in injection mould |
| CN101407103A (en) * | 2008-11-15 | 2009-04-15 | 顺德职业技术学院 | Injection mould servo synchronous automatic thread demoulding mechanism and control method thereof |
| CN201329659Y (en) * | 2009-01-06 | 2009-10-21 | 宁海县大鹏模具塑料有限公司 | Injection mold dynamic and fixed mould bidirectional helical ejection mechanism |
| CN202293239U (en) * | 2011-10-26 | 2012-07-04 | 中山市恒滨塑胶模具有限公司 | Thread demoulding device and injection molding mould with same |
| CN202668900U (en) * | 2012-07-12 | 2013-01-16 | 宁波金氏实业有限公司 | Hexagon valve body injection mold |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0624746B2 (en) * | 1990-09-04 | 1994-04-06 | 株式会社型システム | Mold for products with screws |
-
2012
- 2012-07-12 CN CN201210241322.6A patent/CN102744836B/en not_active Expired - Fee Related
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0217249A2 (en) * | 1985-09-21 | 1987-04-08 | Drilltec Patents & Technologies Company, Inc. | Method and apparatus for the injection moulding of covers and stoppers of plastic material provided with a screw thread, whereby the covers and stoppers are or are not with a reinforcing cage embedded in the plastic material |
| US5798074A (en) * | 1993-09-27 | 1998-08-25 | Husky Injection Molding Systems Ltd. | Process for forming a threaded molded plastic article |
| CN1583395A (en) * | 2004-05-25 | 2005-02-23 | 何同安 | Automatic demoulding device with thread plastic piece in injection mould |
| CN101407103A (en) * | 2008-11-15 | 2009-04-15 | 顺德职业技术学院 | Injection mould servo synchronous automatic thread demoulding mechanism and control method thereof |
| CN201329659Y (en) * | 2009-01-06 | 2009-10-21 | 宁海县大鹏模具塑料有限公司 | Injection mold dynamic and fixed mould bidirectional helical ejection mechanism |
| CN202293239U (en) * | 2011-10-26 | 2012-07-04 | 中山市恒滨塑胶模具有限公司 | Thread demoulding device and injection molding mould with same |
| CN202668900U (en) * | 2012-07-12 | 2013-01-16 | 宁波金氏实业有限公司 | Hexagon valve body injection mold |
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| Publication number | Publication date |
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| CN102744836A (en) | 2012-10-24 |
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Granted publication date: 20140528 Termination date: 20170712 |