CN204367329U - A kind of internal thread automatic core-pulling mould - Google Patents
A kind of internal thread automatic core-pulling mould Download PDFInfo
- Publication number
- CN204367329U CN204367329U CN201420829389.6U CN201420829389U CN204367329U CN 204367329 U CN204367329 U CN 204367329U CN 201420829389 U CN201420829389 U CN 201420829389U CN 204367329 U CN204367329 U CN 204367329U
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- CN
- China
- Prior art keywords
- core
- internal thread
- mould
- thread
- swivel nut
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- Expired - Fee Related
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Abstract
The utility model discloses a kind of internal thread automatic core-pulling mould, also comprise thread core, oil motor, master gear, travelling gear, described master gear is fixedly connected with oil motor, described master gear engages with travelling gear and is with nutating gear to rotate, described thread core comprises the perpendicular tooth mold insert and fastening screw that are fixedly connected with, described travelling gear engages with described perpendicular tooth mold insert and drives it to rotate, described fastening screw is arranged with swivel nut, and be threaded with swivel nut, described swivel nut is fixed on described internal thread automatic core-pulling mould housing.For needing, the product realizing screw thread automatic core-pulling is less to the restriction of mould bases size on Design of Dies, thus saves material; All motion parts all hide mould interior, and structure is simple, stable, reliable, effectively reduces the follow-up maintenance cost of mould.
Description
Technical field
The utility model relates to a kind of mould, and more particularly, it relates to a kind of internal thread automatic core-pulling mould.
Background technology
At present, common inner threaded core-pulling structure all adopts the gear on the rack-driving internal thread core on cylinder to realize rotary core pulling or adopts motor upper sprocket wheel to realize rotary core pulling by the pinion on the sprocket wheel on chain drive main shaft again transmission core.First, adopt the stroke of structure to cylinder or oil cylinder of rack-driving to have requirement, be relatively applicable to the shorter product of tooth line, and the major part of tooth bar is all outside exposed, easily accumulation foreign material are from surface wear gear; Secondly, adopting the structure of chain gear transmission, looses core in the bottom of more applicable product, and when a mould with multi-cavities layout, be difficult to location to the uniformity in product screw head direction, the stability of action is not high yet, and the maintenance cost making mould follow-up increases.
Utility model content
For the deficiency that prior art exists, the purpose of this utility model is to provide a kind of internal thread automatic core-pulling mould.
For achieving the above object, the utility model provides following technical scheme: a kind of internal thread automatic core-pulling mould, also comprise thread core, oil motor, master gear, travelling gear, described master gear is fixedly connected with oil motor, described master gear engages with travelling gear and is with nutating gear to rotate, described thread core comprises the perpendicular tooth mold insert and fastening screw that are fixedly connected with, described travelling gear engages with described perpendicular tooth mold insert and drives it to rotate, described fastening screw is arranged with swivel nut, and be threaded with swivel nut, described swivel nut is fixed on described internal thread automatic core-pulling mould housing.Such setting, replaces original rack-driving by the principle of motor-driven, and by being arranged on the gear drive of mould inside, realize the automatic core-pulling of internal thread, accurate positioning, action is also highly stable, substantially increases the mold use life-span.
The utility model can be set to further: described travelling gear is set to two, and described thread core is set to three, is arranged at respectively in three die cavitys.Such setting, what the utility model was suitable for is wider, and field is larger, and the product in three die cavitys is driven by a master gear, Stability Analysis of Structures, and makes the Product Precision of production higher, and pressure is consistent in the process of loosing core.
In one embodiment, described fastening screw is fixed with stroke limit block, the housing of described internal thread automatic core-pulling mould is provided with to advance and stops travel switch and retreat stopping travel switch, when described stroke limit block collides and advances termination travel switch, stop thread core advancing to run, when described stroke limit block collides and retreats termination travel switch, stop thread core fall back.Stopping the setting of travel switch by advancing, can prevent mould from attacking bad mould when pressing or causing screwed hole excessively dark, by retreating the setting of termination travel switch, can prevent thread core to grind away swivel nut, also making Product Precision more stable.
In one embodiment, described fastening screw is fixed with stroke limit block, the housing of described internal thread automatic core-pulling mould is provided with to advance and stops proximity switch and retreat stopping proximity switch, when described stroke limit block stops proximity switch close to advancing, stop thread core advancing to run, described stroke limit block, close to when retreating termination proximity switch, stops thread core fall back.By the setting stopping proximity switch of advancing, can prevent mould from attacking bad mould when pressing or causing screwed hole excessively dark, by retreating the setting stopping proximity switch, can prevent thread core to grind away swivel nut, also make Product Precision more stable, and replace travel switch with proximity switch, the problem that after solving long-time use, travel switch is easily ground away or broken.
Compared to existing technology, the utility model creates following beneficial effect: for needing, the product realizing screw thread automatic core-pulling is less to the restriction of mould bases size on Design of Dies, thus saves material; All motion parts all hide mould interior, and structure is simple, stable, reliable, effectively reduces the follow-up maintenance cost of mould.
Accompanying drawing explanation
Fig. 1 is the utility model thread core installation diagram;
Fig. 2 is the utility model mould assembly drawing;
Fig. 3 is the utility model travelling gear engagement figure;
Description of reference numerals: 101, thread core; 102, perpendicular tooth mold insert; 103, swivel nut; 104, spline alignment pin; 105, fastening screw; 106, stroke limit block; 201, front code mask; 202, patrix; ; 203, counterdie; 204, front cavity; 205, rear cavity; 206, travelling gear; 207, master gear; 208, oil motor fixed head; 209, oil motor; 210, travel switch bracket; 211, advance termination travel switch; 212, termination travel switch is retreated.
Detailed description of the invention
Embodiment 1 is referring to figs. 1 through shown in Fig. 3, and as Fig. 1, erect tooth mold insert 102 with the external diameter of thread core 101 for tip diameter designs a circle in the rear end of thread core 101, thread core 101 and perpendicular tooth mold insert 102 cooperation place are designed with spline alignment pin 104; One section of screw rod coaxial with thread core 101 is designed with the reach of product screwed hole with 1.5 times and stroke in perpendicular tooth mold insert 102 rear end; Perpendicular tooth mold insert 102 has one end of screw rod to design a swivel nut coordinated with screw rod 103 simultaneously, and swivel nut 103 is fixed on the fixed head of oil cylinder motor; One group of travelling gear is designed between thread core 101 and motor drive shaft.When the gear on motor spindle rotates, the perpendicular tooth mold insert 102 of thread core 101 with the travelling gear synchronous rotary between motor drive shaft and on the thread core 101 that engages with travelling gear of transmission rotates, thus reaches the object of automatic core-pulling.Thread core 101 is connected and fixed by spline alignment pin 104 and perpendicular tooth mold insert 102, then is had by perpendicular tooth mold insert 102 screw rod one end to screw in swivel nut 103.Then lock with fastening screw 105, as Fig. 2, all pulled core structures and power source are all arranged on the patrix 202 of cover half part.When patrix 202, after counterdie 203 matched moulds, oil motor 209 starts and advances, be arranged on the master gear 207 also and then main shaft rotation simultaneously on oil motor 209 main shaft, and the travelling gear 206 that transmission is engaged with master gear 207 rotates, the synchronous perpendicular tooth mold insert 102 that transmission is engaged with travelling gear 206 again of travelling gear 206 allows the assembly of thread core 101 and perpendicular tooth mold insert 102 rotate in swivel nut 103 to advance, wear until thread core 101 header planes and rear cavity 205 are touched, the stroke limit block 106 be now positioned on fastening screw 105 just in time should stop travel switch 211 wheel trolley with the advance be positioned on travel switch bracket 210 contacts and closes oil motor 209, oil motor 209 is made to rotate termination of advancing.Injection again, pressurize, cooling, then oil motor 209 starts, composition graphs 3 is known, be arranged on the master gear 207 also and then main shaft rotation simultaneously on oil motor 209 main shaft, and the travelling gear 206 that transmission is engaged with master gear 207 rotates, synchronous three the perpendicular tooth mold inserts 102 that transmission is engaged with travelling gear 206 again of two travelling gears 206 allow assembly rotated back in swivel nut 103 of thread core 101 and perpendicular tooth mold insert 102, until the cross section spacing 1-2mm of the step erected in the middle of tooth mold insert 102 and swivel nut 103, the stroke limit block 106 be now positioned on fastening screw 105 just in time should stop travel switch 212 wheel trolley with the retrogressing be positioned on travel switch bracket 210 contacts and closes oil motor 209, oil motor 209 rotated back is stopped.Last patrix 202, counterdie 203 die sinking, product eject, reset under the spring action of thimble between ejector retainner plate and counterdie 203, patrix 202, counterdie 203 matched moulds again, so far complete a do action.
Embodiment 2 is all identical with embodiment 1 structure driven principle, exactly the advance termination travel switch 211 in embodiment 1 and retrogressing termination travel switch 212 are replaced to advance termination proximity switch and retrogressing termination proximity switch, so, can prevent travel switch in collision process from damaging and cause unnecessary trouble.
Consider service life of the present utility model, adopt embodiment 2 to be preferred version.
The above is only preferred embodiment of the present utility model, protection domain of the present utility model be not only confined to above-described embodiment, and all technical schemes belonged under the utility model thinking all belong to protection domain of the present utility model.It should be pointed out that for those skilled in the art, do not departing from the some improvements and modifications under the utility model principle prerequisite, these improvements and modifications also should be considered as protection domain of the present utility model.
Claims (4)
1. an internal thread automatic core-pulling mould, comprise housing, it is characterized in that: also comprise thread core, oil motor, master gear, travelling gear, described master gear is fixedly connected with oil motor, described master gear and travelling gear engage each other transmission, described thread core comprises the perpendicular tooth mold insert and fastening screw that are fixedly connected with, described travelling gear engages with described perpendicular tooth mold insert and drives its transmission, described fastening screw is arranged with swivel nut, and be threaded with swivel nut, described swivel nut is fixed on described housing.
2. a kind of internal thread automatic core-pulling mould according to claim 1, it is characterized in that: described travelling gear is set to two, described thread core is set to three, is arranged at respectively in three die cavitys.
3. a kind of internal thread automatic core-pulling mould according to claim 1 and 2, it is characterized in that: described fastening screw is fixed with stroke limit block, the housing of described internal thread automatic core-pulling mould is provided with to advance and stops travel switch and retreat stopping travel switch, when described stroke limit block collides and advances termination travel switch, stop thread core advancing to run, when described stroke limit block collides and retreats termination travel switch, stop thread core fall back.
4. a kind of internal thread automatic core-pulling mould according to claim 1 and 2, it is characterized in that: described fastening screw is fixed with stroke limit block, the housing of described internal thread automatic core-pulling mould is provided with to advance and stops proximity switch and retreat stopping proximity switch, when described stroke limit block stops proximity switch close to advancing, stop thread core advancing to run, described stroke limit block, close to when retreating termination proximity switch, stops thread core fall back.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420829389.6U CN204367329U (en) | 2014-12-24 | 2014-12-24 | A kind of internal thread automatic core-pulling mould |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420829389.6U CN204367329U (en) | 2014-12-24 | 2014-12-24 | A kind of internal thread automatic core-pulling mould |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204367329U true CN204367329U (en) | 2015-06-03 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420829389.6U Expired - Fee Related CN204367329U (en) | 2014-12-24 | 2014-12-24 | A kind of internal thread automatic core-pulling mould |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204367329U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106985310A (en) * | 2017-04-16 | 2017-07-28 | 宁波神通模塑有限公司 | One kind tiltedly takes out interior threaded mechanism |
| CN108000812A (en) * | 2017-12-06 | 2018-05-08 | 王振环 | The manufacture method of sewage detection device and its connection member |
| CN109093945A (en) * | 2018-10-31 | 2018-12-28 | 南通合硕电子有限公司 | A kind of motor master gear die for processing |
| CN109333938A (en) * | 2018-09-30 | 2019-02-15 | 嘉兴学院 | A kind of inner threaded core-pulling device |
-
2014
- 2014-12-24 CN CN201420829389.6U patent/CN204367329U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106985310A (en) * | 2017-04-16 | 2017-07-28 | 宁波神通模塑有限公司 | One kind tiltedly takes out interior threaded mechanism |
| CN108000812A (en) * | 2017-12-06 | 2018-05-08 | 王振环 | The manufacture method of sewage detection device and its connection member |
| CN109333938A (en) * | 2018-09-30 | 2019-02-15 | 嘉兴学院 | A kind of inner threaded core-pulling device |
| CN109093945A (en) * | 2018-10-31 | 2018-12-28 | 南通合硕电子有限公司 | A kind of motor master gear die for processing |
| CN109093945B (en) * | 2018-10-31 | 2024-02-02 | 南通合硕电子有限公司 | Motor main gear processing mould |
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Legal Events
| 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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150603 Termination date: 20191224 |