CN203485398U - Multi-cavity internal thread core-pulling mechanism of gear worm plastic mould - Google Patents
Multi-cavity internal thread core-pulling mechanism of gear worm plastic mould Download PDFInfo
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- CN203485398U CN203485398U CN201320541785.4U CN201320541785U CN203485398U CN 203485398 U CN203485398 U CN 203485398U CN 201320541785 U CN201320541785 U CN 201320541785U CN 203485398 U CN203485398 U CN 203485398U
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- internal thread
- thread core
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Abstract
The utility model discloses a multi-cavity internal thread core-pulling mechanism of a gear worm plastic mould. The multi-cavity internal thread core-pulling mechanism comprises a positioning ring, wherein the positioning ring is arranged above the whole device; a main runner lining is arranged below the positioning ring and is arranged on the middle position of a fixed mould base plate, a spring is arranged below the right end of the fixed mould base plate, and the left end of the fixed mould base plate is provided with a spacing plate; a fixed mould plate is arranged below the spring and is fixedly provided with a pull rod through a step, a movable mould plate is connected below the fixed mould plate, a plastic part is arranged in the fixed mould plate, and an internal thread core is arranged below the plastic part; a support is arranged beside the internal thread core and is fixed on a movable mould base plate through a support fixing plate. According to the technical scheme provided by the utility model, the multi-cavity internal thread core-pulling mechanism provided by the utility model has the advantages that the structure is simple, a self-locking problem does not exist, the abrasion is also small, the core-pulling, positioning and locking for the internal thread core are firm, the core-pulling resistance of the core-pulling mechanism is small, and the core-pulling with the long distance and multiple rings of threads is realized.
Description
Technical field
The utility model belongs to mechanical field, is specifically related to a kind of gear worm mould of plastics cavity inner threaded core-pulling mechanism.
Background technology
At present main for the method for mould of plastics cavity inner threaded core-pulling: the one, force to loose core the demoulding, be only applicable to thread not dark, elasticity of plastics is some plastics preferably; The 2nd, oblique top, is only applicable to screw thread greatly and is not a whole circle, and requiring is not too high situation; The 3rd, lobe formula internal core pulling mechanism, only applicable interior tooth specification is larger; The 4th, rack-and-pinion oil cylinder rotating stripping demoulding, needs additional hydraulic means, increases equipment complexity, and Core-pulling distance is from little, and being applicable to the interior tooth number of turns can not be too many; The 5th, rack-and-pinion motor rotating stripping demoulding, needs additional motor apparatus, sets up jockey, increases equipment complexity; The 6th, rack-and-pinion screw rod rotating stripping demoulding, main employing is converted into rectilinear motion to rotatablely move by screw rod at present, and in order to prevent self-locking, screw rod helical angle is larger, increases die space, and serious wear.The 7th, do metal insert, the outer artificial demoulding of mould, efficiency is low.
Utility model content
The purpose of this utility model is to overcome the problem that prior art exists, and a kind of gear worm mould of plastics cavity inner threaded core-pulling mechanism is provided.
For realizing above-mentioned technical purpose, reach above-mentioned technique effect, the utility model is achieved through the following technical solutions:
A kind of gear worm mould of plastics cavity inner threaded core-pulling mechanism, comprise centring ring, described centring ring is arranged on the top of whole device, the below of described centring ring is sprue bush, and described sprue bush is arranged on the centre position of top clamping plate, the right-hand member below of described top clamping plate is provided with spring, the left end of described top clamping plate is provided with distance plate, described spring below is provided with solid plate, on described solid plate, by step, be fixed with pull bar, described solid plate below is connected with moving platen, described solid plate inside is provided with plastic, described plastic below is internal thread core, described internal thread core side is provided with support, described support is fixed on Bottom clamp plate by bracket fixing plate.
Further, described distance plate is fixed by screws on described top clamping plate, and the lower end of described distance plate is provided with distance rod, and described distance rod is fixed on solid plate.
Further, in described support, be placed with bearing, in described bearing, be placed with gear worm, on described bracket fixing plate and described Bottom clamp plate, be nested with support set.
The beneficial effects of the utility model are:
Adopt technical solutions of the utility model, can realize by the cooperation of rack-and-pinion and worm and wormwheel loosing core of mould of plastics cavity internal thread, realize the fully-automatic production with Plastic Parts with Inner Thread, realize the demoulding of loosing core and synchronize with die sinking, shorten the plastic production time; The utility model is applicable to the demoulding of loosing core of various Plastic Parts with Inner Thread, do not need additional any device, structure is comparatively simple, by rack-and-pinion, rectilinear motion is converted into and revolves choosing motion, utilize worm screw band worm gear, do not have self-locking problem, wear and tear also less, internal thread core is loosed core, located and locks firmly, and this core-pulling mechanism resistance of loosing core is little, can realize loosing core of the many thread turns of larger distance.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model.
Number in the figure explanation: 1, centring ring, 2, sprue bush, 3, top clamping plate, 4, spring, 5, solid plate, 6, plastic, 7, moving platen, 8, internal thread core, 9, support, 10, bracket fixing plate, 11, Bottom clamp plate, 12, distance plate, 13, screw, 14, distance rod, 15, bearing, 16, gear worm, 17, pull bar, 18, support set.
The specific embodiment
Below with reference to the accompanying drawings and in conjunction with the embodiments, describe the utility model in detail.
Shown in Fig. 1, a kind of gear worm mould of plastics cavity inner threaded core-pulling mechanism, comprise centring ring 1, described centring ring 1 is arranged on the top of whole device, the below of described centring ring 1 is sprue bush 2, and described sprue bush 2 is arranged on the centre position of top clamping plate 3, the right-hand member below of described top clamping plate 3 is provided with spring 4, the left end of described top clamping plate 3 is provided with distance plate 12, described spring 4 belows are provided with solid plate 5, on described solid plate 5, by step, be fixed with pull bar 17, described solid plate 5 belows are connected with moving platen 7, described solid plate 5 inside are provided with plastic 6, described plastic 6 belows are internal thread core 8, described internal thread core 8 sides are provided with support 9, described support 9 is fixed on Bottom clamp plate 11 by bracket fixing plate 10.
Further, described distance plate 12 is fixed on described top clamping plate 3 by screw 13, and the lower end of described distance plate 12 is provided with distance rod 14, and described distance rod 14 is fixed on solid plate 5.
Further, in described support 9, be placed with bearing 15, in described bearing 15, be placed with gear worm 16, on described bracket fixing plate 10 and described Bottom clamp plate 11, be nested with support set 18.
Principle of the present utility model:
Mould of the present utility model has two die joints, and as shown in drawings, when die sinking, due to spring 4 rebound effects, 1 die joint is first opened, and controls the die sinking distance of 1 die joint by distance plate 12 and distance rod 14, and then 2 die joints are opened.
The utility model vital part is internal thread core 8, and this part upper part is core, and middle part is with worm gear; Gear worm 16, is gear in the middle of this part, and two ends are worm screws; Pull bar 17, this part is fixed on cover half, and pull bar side is with tooth bar.Key point is when filling, by support set 18 stationary positioned internal thread core 8 positions, when die sinking, pull bar 17 coordinates with gear worm 16 by rack pinion, and die sinking rectilinear motion is converted into and is rotatablely moved, and gear worm 16 coordinates with internal thread core 8 by the worm screw at two ends, drive internal thread core 8 rotations, because plastic has rotation stop device, can not rotate, thereby loose core internal thread core, realize the demoulding and synchronize with die sinking.In matched moulds, pull bar 17 resets, and remaining parts corresponding sports is realized and being resetted.
The foregoing is only preferred embodiment of the present utility model, be not limited to the utility model, for a person skilled in the art, the utility model can have various modifications and variations.All within spirit of the present utility model and principle, any modification of doing, be equal to replacement, improvement etc., within all should being included in protection domain of the present utility model.
Claims (3)
1. a gear worm mould of plastics cavity inner threaded core-pulling mechanism, comprise centring ring (1), it is characterized in that, described centring ring (1) is arranged on the top of whole device, the below of described centring ring (1) is sprue bush (2), and described sprue bush (2) is arranged on the centre position of top clamping plate (3), the right-hand member below of described top clamping plate (3) is provided with spring (4), the left end of described top clamping plate (3) is provided with distance plate (12), described spring (4) below is provided with solid plate (5), described solid plate (5) is upper is fixed with pull bar (17) by step, described solid plate (5) below is connected with moving platen (7), described solid plate (5) inside is provided with plastic (6), described plastic (6) below is internal thread core (8), described internal thread core (8) side is provided with support (9), described support (9) is fixed on Bottom clamp plate (11) by bracket fixing plate (10).
2. gear worm mould of plastics cavity inner threaded core-pulling according to claim 1 mechanism, it is characterized in that, described distance plate (12) is fixed on described top clamping plate (3) by screw (13), the lower end of described distance plate (12) is provided with distance rod (14), and described distance rod (14) is fixed on solid plate (5).
3. gear worm mould of plastics cavity inner threaded core-pulling according to claim 1 mechanism, it is characterized in that, in described support (9), be placed with bearing (15), in described bearing (15), be placed with gear worm (16), on described bracket fixing plate (10) and described Bottom clamp plate (11), be nested with support set (18).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320541785.4U CN203485398U (en) | 2013-09-03 | 2013-09-03 | Multi-cavity internal thread core-pulling mechanism of gear worm plastic mould |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320541785.4U CN203485398U (en) | 2013-09-03 | 2013-09-03 | Multi-cavity internal thread core-pulling mechanism of gear worm plastic mould |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203485398U true CN203485398U (en) | 2014-03-19 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320541785.4U Expired - Fee Related CN203485398U (en) | 2013-09-03 | 2013-09-03 | Multi-cavity internal thread core-pulling mechanism of gear worm plastic mould |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103496113A (en) * | 2013-09-03 | 2014-01-08 | 苏州经贸职业技术学院 | Gear worm plastic mold multi-cavity inner thread core-pulling mechanism |
| CN104859110A (en) * | 2015-06-08 | 2015-08-26 | 芜湖瑞泰精密机械有限公司 | Injection mold |
| CN108748892A (en) * | 2018-05-10 | 2018-11-06 | 苏州工业园区职业技术学院 | A kind of injection mold that rotary side is opened |
-
2013
- 2013-09-03 CN CN201320541785.4U patent/CN203485398U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103496113A (en) * | 2013-09-03 | 2014-01-08 | 苏州经贸职业技术学院 | Gear worm plastic mold multi-cavity inner thread core-pulling mechanism |
| CN104859110A (en) * | 2015-06-08 | 2015-08-26 | 芜湖瑞泰精密机械有限公司 | Injection mold |
| CN108748892A (en) * | 2018-05-10 | 2018-11-06 | 苏州工业园区职业技术学院 | A kind of injection mold that rotary side is opened |
| CN108748892B (en) * | 2018-05-10 | 2020-05-19 | 苏州工业园区职业技术学院 | Injection mold with rotary side opening |
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140319 Termination date: 20140903 |
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| EXPY | Termination of patent right or utility model |