CN203994557U - There is the injection mold of oblique whorl work piece high-efficiency rotating ejection device - Google Patents
There is the injection mold of oblique whorl work piece high-efficiency rotating ejection device Download PDFInfo
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- CN203994557U CN203994557U CN201420238437.4U CN201420238437U CN203994557U CN 203994557 U CN203994557 U CN 203994557U CN 201420238437 U CN201420238437 U CN 201420238437U CN 203994557 U CN203994557 U CN 203994557U
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- profile
- die cavity
- roller
- pawl
- tooth die
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Abstract
The utility model discloses a kind of injection mold with oblique whorl work piece high-efficiency rotating ejection device, 2 push rods are closely respectively equipped with connecting rod in the place of pawling, described connecting rod free end is connected with the first roller, described the first roller is individually fixed in chamber, profile of tooth die cavity support section both sides, described the first roller is connected with the second roller by connecting band, described the second roller is positioned at the both sides of profile of tooth die cavity injection mo(u)lding part, described the second roller is connected with profile of tooth die cavity injection mo(u)lding part by rotating shaft, for making the rotation of profile of tooth die cavity; Advantage of the present utility model has: for the feature of oblique helicitic texture, adopt height to pawl in ejecting workpiece, to promote profile of tooth die cavity rotation to make the smooth demoulding of workpiece, be provided with roller devices simultaneously, further drive the rotation of profile of tooth die cavity, rotation flexibly, efficient, release laborsaving, not defective work piece.
Description
Technical field
The utility model relates to injection mold field, particularly a kind of injection mold with oblique whorl work piece high-efficiency rotating ejection device.
Background technology
injection mold is widely used in processing, the moulding of plasthetics, but there is the workpiece of oblique helicitic texture in processing, as screw, nut, helical gear etc., because its tooth trace is helix, profile of tooth is with the helical angle of certain angle, after working of plastics injection moulding, conventional release mode cannot realize the working of plastics demoulding, when requiring ejecting mechanism to press stripping direction release, the direction that the die cavity of moulding profile of tooth or plastic beveled wheel itself tilts by profile of tooth is rotated, and can reach the object of the smooth demoulding.Especially to plastics duplex helical gear, when the demoulding, except solving the problem of the rotation of profile of tooth die cavity or the rotation of gear working of plastics, also need to solve because of two helical gear " pitch " the different demoulding difficulties that cause.
The stripping means of existing such injection mold is mainly forced stripper mechanism, has the occasion of the little and profile of tooth thinner thickness of better toughness, gear helical angle but the method is only applicable to working of plastics raw material.Because required release power is larger, for avoiding working of plastics distortion or releasing element bending, release the general mould of sectional area ratio larger of element (push rod or ejector sleeve).
Utility model content
For solving the deficiencies in the prior art, the purpose of this utility model is to provide a kind of injection mold with oblique whorl work piece high-efficiency rotating ejection device, can carry out the demoulding to oblique helicitic texture efficiently.
In order to realize above-mentioned target, the utility model adopts following technical scheme:
A kind of injection mold with oblique whorl work piece high-efficiency rotating ejection device, it is characterized in that, comprise moving platen and base, described moving platen is provided with cavity block away from the middle part of base end, described cavity block is connected with profile of tooth die cavity, described profile of tooth die cavity middle part is provided with core, and described core is simultaneously through cavity block; Described moving platen base end is provided with ram seat, described ram seat is provided with 2 push rods, and 2 push rods are distributed in core both sides, the free end of described push rod is provided with pawls, described pawling is provided with two row's pawls, and the height of two row's pawls is different, comprises the high pawl of a row and the low pawl of a row, the free end of described high pawl is connected in profile of tooth die cavity outer side edges, and the free end of described low pawl is connected in profile of tooth die cavity helicla flute side; Described 2 push rods are closely respectively equipped with connecting rod in the place of pawling, described connecting rod free end is connected with the first roller, described the first roller is individually fixed in chamber, profile of tooth die cavity support section both sides, described the first roller is connected with the second roller by connecting band, described the second roller is positioned at the both sides of profile of tooth die cavity injection mo(u)lding part, described the second roller is connected with profile of tooth die cavity injection mo(u)lding part by rotating shaft, for making the rotation of profile of tooth die cavity.
An injection mold with oblique whorl work piece high-efficiency rotating ejection device, is characterized in that, described high pawl is positioned on the vertical plane that can make the counter-rotating of profile of tooth die cavity, described low tooth be positioned at high tooth to opposite; Described connecting rod is positioned at and can makes the first roller drive the second roller to make on the vertical plane of profile of tooth die cavity counter-rotating.
An injection mold with oblique whorl work piece high-efficiency rotating ejection device, is characterized in that, the spacing between described high pawl and low pawl is compared with the little 0.5-1cm of profile of tooth die cavity width.
An injection mold with oblique whorl work piece high-efficiency rotating ejection device, is characterized in that, the quantity of described high pawl is 3-6, and the quantity of described low pawl is 3-6.
An injection mold with oblique whorl work piece high-efficiency rotating ejection device, is characterized in that, the length of described high pawl is 1-2cm, and the length of described low pawl is 0.5-1.5cm, and the height of described high pawl and low tooth differs 0.3-0.8cm.
An injection mold with oblique whorl work piece high-efficiency rotating ejection device, is characterized in that, described push rod, pawl, the material of connecting rod, the first roller, the second roller is 304 stainless steels.
Usefulness of the present utility model is: 1. for the feature of oblique helicitic texture, adopt height to pawl in ejecting workpiece, to promote profile of tooth die cavity rotation and make the smooth demoulding of workpiece, be provided with roller devices simultaneously, further drive the rotation of profile of tooth die cavity, rotation flexibly, efficient, release laborsavingly, frictional force reduces, not defective work piece, demoulding efficiency is high; 2. simplicity of design, conservation, easy to use, improve service efficiency and service life.
Brief description of the drawings
Fig. 1 is the injection mold schematic diagram with oblique whorl work piece high-efficiency rotating ejection device of the present utility model;
Fig. 2 is the injection mold with the oblique whorl work piece high-efficiency rotating ejection device of the present utility model schematic diagram of pawling.
The implication of Reference numeral in figure:
1. moving platen, 2. core, 3. profile of tooth die cavity, 4. cavity block, 5. push rod, 6. pawls, 7. connecting rod, 8. the first roller, 9. the second roller, 10. connecting band, 11. workpiece, 12. low pawls, 13. high pawls.
Detailed description of the invention
Below in conjunction with the drawings and specific embodiments, the utility model is done to concrete introduction.
In conjunction with Fig. 1, the injection mold with oblique whorl work piece high-efficiency rotating ejection device of the present utility model, comprise moving platen 1 and base, described moving platen 1 is provided with cavity block 4 away from the middle part of base end, described cavity block 4 is connected with profile of tooth die cavity 3, for the injection mo(u)lding of workpiece 11, described profile of tooth die cavity 3 middle parts are provided with core 2, and described core 2 is simultaneously through cavity block 4, described moving platen 1 base end is provided with ram seat, described ram seat is provided with 2 push rods 5, and 2 push rods 5 are distributed in core 2 both sides, the free end of described push rod 5 is provided with pawls 6, described pawling 6 is provided with two row's pawls, and the height of two row's pawls is different, comprise the high pawl 13 of a row and the low pawl 12 of a row, the free end of described high pawl 13 is connected in profile of tooth die cavity 3 outer side edges, being used for promoting profile of tooth die cavity 3 rotates, the free end of described low pawl 12 is connected in profile of tooth die cavity 3 helicla flute sides, for promoting workpiece 11 demouldings that injection mo(u)lding is good, described 2 push rods 56 places of closely pawling are respectively equipped with connecting rod 7, described connecting rod 7 free ends are connected with the first roller 8, described the first roller 8 is individually fixed in profile of tooth die cavity 3 chambeies, support section both sides, described the first roller 8 is connected with the second roller 9 by connecting band 10, described the second roller 9 is positioned at the both sides of profile of tooth die cavity 3 injection mo(u)lding parts, described the second roller 9 is connected with profile of tooth die cavity 3 injection mo(u)lding parts by rotating shaft, for profile of tooth die cavity 3 is rotated, described high pawl 13 is positioned on the vertical plane that can make 3 counter-rotatings of profile of tooth die cavity, described low tooth 12 be positioned at high tooth to opposite, and described connecting rod 7 is positioned at and can makes the first roller 8 drive the second roller 9 to make on the vertical plane of profile of tooth die cavity 3 counter-rotatings, when use, push rod 5 outwards ejects workpiece, low tooth 8 promotes the outside demoulding of workpiece 7, high pawl 13 promotes 3 counter-rotatings of profile of tooth die cavity, push rod 5 drives connecting rod 7 to move up simultaneously, the first roller 8 is rotated, and drive the second roller 9 to rotate by connecting band 10, thereby further drive 3 counter-rotatings of profile of tooth die cavity, rotary high-efficient, flexibly, and workpiece 11 is not rubbed, distortion, and the demoulding is more prone to, reduce the loss of workpiece and mould.
Spacing between described high pawl 13 and low pawl 12 is less than 0.7cm compared with profile of tooth die cavity width; The quantity of described high pawl 13 is 4, and the quantity of described low pawl 12 is 4; The length of described high pawl 13 is 1.8cm, and the length of described low pawl 12 is 1.5cm, and described high pawl 13 differs 0.3cm with the height of low pawl 12; Described push rod 5 and 6 the material of pawling are 304 stainless steels.
The injection mold with oblique whorl work piece high-efficiency rotating ejection device of the present utility model, except said structure, its difference is, the spacing between described high pawl and low pawl is less than 0.5cm compared with profile of tooth die cavity width; The quantity of described high pawl is 4, and the quantity of described low pawl is 4; The length of described high pawl is 1cm, and the length of described low pawl is 0.5cm, and the height of described high pawl and low tooth differs 0.5cm.
The injection mold with oblique whorl work piece high-efficiency rotating ejection device of the present utility model, except said structure, its difference is, the spacing between described high pawl and low pawl is less than 1cm compared with profile of tooth die cavity width; The quantity of described high pawl is 6, and the quantity of described low pawl is 6; The length of described high pawl is 2cm, and the length of described low pawl is 1.2cm, and the height of described high pawl and low tooth differs 0.8cm.
Of the present utility model have the injection mold of oblique whorl work piece high-efficiency rotating ejection device for the design feature of the oblique screw thread of workpiece, utilize height to pawl and in ejecting workpiece, promote the rotation of profile of tooth die cavity, drive roller further to drive the rotation of profile of tooth die cavity to make the smooth demoulding of workpiece in conjunction with push rod, rotation flexibly, efficiently, while not only reducing the workpiece demoulding and the frictional force of mould, also convenient, fast, labour-saving ejects workpiece simultaneously, has greatly improved service efficiency and service life.The injection mold with oblique whorl work piece rotation ejection device of the present utility model has put into production and has tried out, respond well, is applicable to using widely.
More than show and described general principle of the present utility model, principal character and advantage.The technical staff of the industry should understand, and above-described embodiment does not limit the utility model in any form, and all employings are equal to replaces or technical scheme that the mode of equivalent transformation obtains, all drops in protection domain of the present utility model.
Claims (5)
1. one kind has the injection mold of oblique whorl work piece high-efficiency rotating ejection device, it is characterized in that, comprise moving platen and base, described moving platen is provided with cavity block away from the middle part of base end, described cavity block is connected with profile of tooth die cavity, described profile of tooth die cavity middle part is provided with core, and described core is simultaneously through cavity block; Described moving platen base end is provided with ram seat, described ram seat is provided with 2 push rods, and 2 push rods are distributed in core both sides, the free end of described push rod is provided with pawls, described pawling is provided with two row's pawls, and the height of two row's pawls is different, comprises the high pawl of a row and the low pawl of a row, the free end of described high pawl is connected in profile of tooth die cavity outer side edges, and the free end of described low pawl is connected in profile of tooth die cavity helicla flute side; Described 2 push rods are closely respectively equipped with connecting rod in the place of pawling, described connecting rod free end is connected with the first roller, described the first roller is individually fixed in chamber, profile of tooth die cavity support section both sides, described the first roller is connected with the second roller by connecting band, described the second roller is positioned at the both sides of profile of tooth die cavity injection mo(u)lding part, described the second roller is connected with profile of tooth die cavity injection mo(u)lding part by rotating shaft, for making the rotation of profile of tooth die cavity.
2. the injection mold with oblique whorl work piece high-efficiency rotating ejection device according to claim 1, is characterized in that, the spacing between described high pawl and low pawl is compared with the little 0.5-1cm of profile of tooth die cavity width.
3. the injection mold with oblique whorl work piece high-efficiency rotating ejection device according to claim 1, is characterized in that, the quantity of described high pawl is 3-6, and the quantity of described low pawl is 3-6.
4. the injection mold with oblique whorl work piece high-efficiency rotating ejection device according to claim 1, is characterized in that, the length of described high pawl is 1-2cm, and the length of described low pawl is 0.5-1.5cm, and the height of described high pawl and low tooth differs 0.3-0.8cm.
5. the injection mold with oblique whorl work piece high-efficiency rotating ejection device according to claim 1, is characterized in that, described push rod, pawl, the material of connecting rod, the first roller, the second roller is 304 stainless steels.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420238437.4U CN203994557U (en) | 2014-05-09 | 2014-05-09 | There is the injection mold of oblique whorl work piece high-efficiency rotating ejection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420238437.4U CN203994557U (en) | 2014-05-09 | 2014-05-09 | There is the injection mold of oblique whorl work piece high-efficiency rotating ejection device |
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| Publication Number | Publication Date |
|---|---|
| CN203994557U true CN203994557U (en) | 2014-12-10 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420238437.4U Expired - Fee Related CN203994557U (en) | 2014-05-09 | 2014-05-09 | There is the injection mold of oblique whorl work piece high-efficiency rotating ejection device |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104002441A (en) * | 2014-05-09 | 2014-08-27 | 昆山市大久电子有限公司 | Injection mold capable of realizing high-efficiency rotary ejection and demolding of sloping-thread workpieces |
| CN114211707A (en) * | 2022-02-22 | 2022-03-22 | 湖南华澳智能科技有限公司 | Injection mold for processing air conditioner shell and using method thereof |
-
2014
- 2014-05-09 CN CN201420238437.4U patent/CN203994557U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104002441A (en) * | 2014-05-09 | 2014-08-27 | 昆山市大久电子有限公司 | Injection mold capable of realizing high-efficiency rotary ejection and demolding of sloping-thread workpieces |
| CN114211707A (en) * | 2022-02-22 | 2022-03-22 | 湖南华澳智能科技有限公司 | Injection mold for processing air conditioner shell and using method thereof |
| CN114211707B (en) * | 2022-02-22 | 2022-05-06 | 湖南华澳智能科技有限公司 | Injection mold for processing air conditioner shell and using method thereof |
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| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20141210 Termination date: 20150509 |
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| EXPY | Termination of patent right or utility model |