CN204226327U - The anti-oil cylinder of loosing core of giving up the throne of a kind of die casting - Google Patents
The anti-oil cylinder of loosing core of giving up the throne of a kind of die casting Download PDFInfo
- Publication number
- CN204226327U CN204226327U CN201420531636.4U CN201420531636U CN204226327U CN 204226327 U CN204226327 U CN 204226327U CN 201420531636 U CN201420531636 U CN 201420531636U CN 204226327 U CN204226327 U CN 204226327U
- Authority
- CN
- China
- Prior art keywords
- stroke
- oil cylinder
- loosing core
- positioning block
- die casting
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Abstract
The utility model discloses the anti-oil cylinder of loosing core of giving up the throne of a kind of die casting, comprise fixing frame, oil cylinder, to loose core connecting box and range controlling mechanism, range controlling mechanism comprises the first position limit switch, second position limit switch, first stroke positioning block, second stroke positioning block and stroke lever, stroke lever comprises guide rod and motion bar, the first stroke positioning block is fixed in guide rod one end, the other end is inserted in motion bar one end, the motion bar the other end is fixedly connected with connecting box of loosing core through the second stroke positioning block, motion bar overcoat has the first stroke back-up ring and the second stroke back-up ring, oil cylinder is provided with oiler and return opening, return opening is connected with check valve, check valve is connected with oiler by tee union, tee union the 3rd port connects return tube, check valve also with enter oil pipe and be connected.The utility model stops the hydraulic oil rollback of hydraulic jack by check valve, and can prevent unexpected rollback of loosing core, reliability is high, effectively ensures the using effect of oil cylinder, can be widely used in Die Casting.
Description
Technical field
The utility model relates to die casting mould technical field, the anti-oil cylinder of loosing core of giving up the throne of specifically a kind of die casting.
Background technique
In Die Casting process, die casting mould is by oil cylinder pushing slide block movement of loosing core, and oil cylinder direct of loosing core was connected die casting machine pressurized oil system and driven.When die casting machine cylinder system is unstable, unexpected rollback of loosing core can be caused, to mould, loose core and product all can produce damage.
Model utility content
The utility model, for above-mentioned Problems existing, provides the die casting that a kind of structure is simple, reliability is high anti-oil cylinder of loosing core of giving up the throne.
The utility model for achieving the above object, takes following technological scheme to be achieved:
The anti-oil cylinder of loosing core of giving up the throne of a kind of die casting, comprise fixing frame, be installed on the oil cylinder of fixing frame, for being connected oil cylinder T connector and loose core connecting box and the range controlling mechanism of T connector of loosing core, described range controlling mechanism comprises the first position limit switch, second position limit switch, first stroke positioning block, second stroke positioning block and stroke lever, described stroke lever comprises guide rod and motion bar, the first stroke positioning block is fixed in described guide rod one end, the other end is inserted in motion bar one end, the described motion bar the other end is fixedly connected with connecting box of loosing core through the second stroke positioning block, described motion bar overcoat has the first stroke back-up ring that should coordinate with the first stroke Switch Controller and the second stroke back-up ring with the second position limit switch corresponding matching, described oil cylinder is provided with oiler and return opening, described return opening is connected with check valve, described check valve is connected with oiler by tee union, described tee union the 3rd port connects return tube, described check valve also with enter oil pipe and be connected.
Preferably, also connected pipes is provided with between described check valve and tee union.
Preferably, described fixing frame comprises cylinder bracket and oil cylinder base plate, and described oil cylinder base plate is connected with cylinder bracket by screw, for fixing whole oil cylinder.
Preferably, described fixing frame is provided with stroke base plate, and described first stroke positioning block and the second stroke positioning block are fixed on stroke base plate front end and back end respectively by screw.
Preferably, described connected pipes is high pressure resistant oil pipe.
Working principle of the present utility model is as follows:
Original state: oil cylinder rollback of loosing core puts in place, the second stroke back-up ring contacts with the second position limit switch.
Oil cylinder is released: die casting machine cylinder system is by hydraulic oil from entering oil pipe input, the port shutdown of check valve and tee union, and oil cylinder is released by hydraulic oil, and when the first stroke back-up ring contacts with the first position limit switch, oil cylinder stops releasing.
Hold mode: the port shutdown of check valve and tee union, the port shutdown that check valve is connected with oil cylinder oiler.
Oil cylinder rollback: hydraulic oil inputs from return tube by die casting machine cylinder system, the port that check valve is connected with oil cylinder oiler is opened by connected pipes by hydraulic oil, hydraulic oil by oil cylinder rollback, when the second stroke back-up ring contacts with the second position limit switch, oil cylinder stops rollback, replys original state.
Compared with prior art, the beneficial effects of the utility model are as follows: the anti-oil cylinder of loosing core of giving up the throne of a kind of die casting of the present utility model, pass through check valve, stop the hydraulic oil rollback of hydraulic jack, thus prevent unexpected rollback of loosing core, to avoid under mould matched moulds state mold damage, loose core, under mould die opening state, damage foundry goods.The utility model has the advantage that structure is simple, operational safety is high, effectively ensures the using effect of oil cylinder, can be widely used in Die Casting.
Accompanying drawing explanation
Fig. 1 is that a kind of die casting of the present utility model is prevented giving up the throne the rollback of oil cylinder structural drawing when putting in place of loosing core;
Fig. 2 is that a kind of die casting of the present utility model is prevented giving up the throne the release of oil cylinder structural drawing when putting in place of loosing core.
Embodiment
Below in conjunction with accompanying drawing, embodiment of the present utility model is described in detail.
See Fig. 1 ~ 2, the anti-oil cylinder of loosing core of giving up the throne of a kind of die casting, comprise fixing frame 1, be installed on the oil cylinder 2 of fixing frame 1, for being connected oil cylinder T connector and loose core connecting box 3 and the range controlling mechanism of T connector of loosing core, range controlling mechanism comprises the first position limit switch 4, second position limit switch 5, first stroke positioning block 6, second stroke positioning block 7 and stroke lever, stroke lever comprises guide rod 8 and motion bar 9, the first stroke positioning block 6 is fixed in guide rod 8 one end, the other end is inserted in motion bar 9 one end, motion bar 9 the other end is fixedly connected with connecting box 3 of loosing core through the second stroke positioning block 7, motion bar 9 overcoat has and the first stroke back-up ring 10 of the first position limit switch 6 corresponding matching and the second stroke back-up ring 11 with the second position limit switch 7 corresponding matching, oil cylinder 2 is provided with return opening 12 and oiler 13, oiler 13 is connected with check valve 14, check valve 14 is connected with return opening 12 by tee union 15, tee union 15 the 3rd port connects return tube 16, check valve 14 also with enter oil pipe 17 and be connected.
Connected pipes 18 is also provided with between check valve 14 and tee union 15.Connected pipes 18 is high pressure resistant oil pipe.Fixing frame 1 comprises cylinder bracket 19 and oil cylinder base plate 20, and oil cylinder base plate 20 is connected with cylinder bracket 19 by screw, for fixing whole oil cylinder 2.Fixing frame 1 is provided with stroke base plate 21, first stroke positioning block 6 and the second stroke positioning block 7 is fixed on stroke base plate 21 front end and back end respectively by screw.
Utility model works principle is as follows:
Original state: oil cylinder rollback of loosing core puts in place, the second stroke back-up ring 11 contacts with the second position limit switch 5.
Oil cylinder is released: die casting machine cylinder system is by hydraulic oil from entering oil pipe input, the port shutdown of check valve 14 and tee union 15, and oil cylinder is released by hydraulic oil, and when the first stroke back-up ring 10 contacts with the first position limit switch 4, oil cylinder stops releasing.
Hold mode: the port shutdown of check valve 14 and tee union 15, the port shutdown that check valve 14 is connected with oil cylinder oiler 13.
Oil cylinder rollback: hydraulic oil inputs from return tube 16 by die casting machine cylinder system, the port that check valve 14 is connected with oil cylinder oiler 13 is opened by connected pipes 18 by hydraulic oil, hydraulic oil is by oil cylinder rollback, when the second stroke back-up ring 11 contacts with the second position limit switch 5, oil cylinder stops rollback, replys original state.
The anti-oil cylinder of loosing core of giving up the throne of a kind of die casting of the present utility model, by check valve, stops the hydraulic oil rollback of hydraulic jack, thus prevents unexpected rollback of loosing core, and to avoid under mould matched moulds state mold damage, looses core, under mould die opening state, damage foundry goods.The utility model has the advantage that structure is simple, operational safety is high, effectively ensures the using effect of oil cylinder, can be widely used in Die Casting.
Only as described above, be only the preferred embodiment of the utility model, when can not limit the scope of the utility model enforcement with this, namely generally according to equivalence change simple done by the content described in the utility model claim and model utility specification and modification, all still belong within the utility model claim scope.In addition, summary part and title are only used to the use of auxiliary patent document search, are not used for the interest field of restriction the utility model.
Claims (5)
1. the anti-oil cylinder of loosing core of giving up the throne of die casting, it is characterized in that, comprise fixing frame, be installed on the oil cylinder of fixing frame, for being connected oil cylinder T connector and loose core connecting box and the range controlling mechanism of T connector of loosing core, described range controlling mechanism comprises the first position limit switch, second position limit switch, first stroke positioning block, second stroke positioning block and stroke lever, described stroke lever comprises guide rod and motion bar, the first stroke positioning block is fixed in described guide rod one end, the other end is inserted in motion bar one end, the described motion bar the other end is fixedly connected with connecting box of loosing core through the second stroke positioning block, described motion bar overcoat has the first stroke back-up ring that should coordinate with the first stroke Switch Controller and the second stroke back-up ring with the second position limit switch corresponding matching, described oil cylinder is provided with oiler and return opening, described return opening is connected with check valve, described check valve is connected with oiler by tee union, described tee union the 3rd port connects return tube, described check valve also with enter oil pipe and be connected.
2. the anti-oil cylinder of loosing core of giving up the throne of a kind of die casting according to claim 1, is characterized in that, be also provided with connected pipes between described check valve and tee union.
3. the anti-oil cylinder of loosing core of giving up the throne of a kind of die casting according to claim 1, it is characterized in that, described fixing frame comprises cylinder bracket and oil cylinder base plate, and described oil cylinder base plate is connected with cylinder bracket by screw.
4. the anti-oil cylinder of loosing core of giving up the throne of a kind of die casting according to claim 1, it is characterized in that, described fixing frame is provided with stroke base plate, and described first stroke positioning block and the second stroke positioning block are fixed on stroke base plate front end and back end respectively by screw.
5. the anti-oil cylinder of loosing core of giving up the throne of a kind of die casting according to claim 2, it is characterized in that, described connected pipes is high pressure resistant oil pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420531636.4U CN204226327U (en) | 2014-09-16 | 2014-09-16 | The anti-oil cylinder of loosing core of giving up the throne of a kind of die casting |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420531636.4U CN204226327U (en) | 2014-09-16 | 2014-09-16 | The anti-oil cylinder of loosing core of giving up the throne of a kind of die casting |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204226327U true CN204226327U (en) | 2015-03-25 |
Family
ID=52924429
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420531636.4U Expired - Fee Related CN204226327U (en) | 2014-09-16 | 2014-09-16 | The anti-oil cylinder of loosing core of giving up the throne of a kind of die casting |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204226327U (en) |
-
2014
- 2014-09-16 CN CN201420531636.4U patent/CN204226327U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: Die casting oil cylinder for preventing return of loose core Effective date of registration: 20200622 Granted publication date: 20150325 Pledgee: Zhaoqing Rural Commercial Bank Co.,Ltd. Nan'an sub branch Pledgor: GUANGDONG HONGTAI TECHNOLOGY (HOLDING) Co.,Ltd. Registration number: Y2020440000155 |
|
| PC01 | Cancellation of the registration of the contract for pledge of patent right | ||
| PC01 | Cancellation of the registration of the contract for pledge of patent right |
Date of cancellation: 20220519 Granted publication date: 20150325 Pledgee: Zhaoqing Rural Commercial Bank Co.,Ltd. Nan'an sub branch Pledgor: GUANGDONG HONGTAI TECHNOLOGY (HOLDING) Co.,Ltd. Registration number: Y2020440000155 |
|
| 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: 20150325 |