CN202052895U - Isothermal forging hydraulic machine - Google Patents
Isothermal forging hydraulic machine Download PDFInfo
- Publication number
- CN202052895U CN202052895U CN 201120048873 CN201120048873U CN202052895U CN 202052895 U CN202052895 U CN 202052895U CN 201120048873 CN201120048873 CN 201120048873 CN 201120048873 U CN201120048873 U CN 201120048873U CN 202052895 U CN202052895 U CN 202052895U
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- Prior art keywords
- isothermal forging
- hydraulic press
- forging hydraulic
- fairlead
- slide block
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Abstract
The embodiment of the utility model discloses an isothermal forging hydraulic machine, comprising a sliding block; and a plurality of hydraulic cylinders arranged between the sliding block and a workbench of the isothermal forging hydraulic machine, further comprising displacement sensors arranged on the moveable ends of the hydraulic cylinders; flow adjusting valves arranged at the oil inlets of the cylinder bodis of the hydraulic cylinders; and a controller connected with the displacement sensors and flow adjusting valves for adjusting the opening degrees of the flow adjusting valves according to the signals collected by the displacement sensors. In the isothermal forging hydraulic machine provided by the utility model, the displacements of the moveable ends of each of the hydraulic cylinders are equal by collecting the displacement signals of the moveable ends of each of the hydraulic cylinders and adjusting each hydraulic cylinder according to the displacement signals by the controller so that the parallelism between the sliding block and the workbench is improved, and the forging and pressing quality of the workpiece is further improved.
Description
Technical field
The utility model relates to hydraulic press manufacturing technology field, more particularly, relates to a kind of isothermal forging hydraulic press of realizing the slide block four-corner leveling.
Background technology
In the isothermal forging hydraulic press in the market, can realize that pressing speed is between 0.001～0.1mm/s, and the hydraulic press of stable operation is also few, because the isothermal forging hydraulic press is difficult to the stability of control slide block operation under the very slow situation of speed, the speed fluctuation ratio is bigger during the slide block operation, and this workpiece quality to isothermal forging produces very big influence.
Because the speed of service fluctuation ratio of isothermal forging hydraulic press slide block in the process of work is bigger, four jiaos of situations that the speed of service is different that can occur slide block inevitably, make the nonparallelism of slide block and workbench increase like this, reduced forging and pressing quality workpiece.
The utility model content
In view of this, the utility model provides a kind of isothermal forging hydraulic press, so that a kind of isothermal forging hydraulic press of realizing the slide block four-corner leveling to be provided, and then improves the depth of parallelism of slide block and workbench.
In order to achieve the above object, the utility model embodiment provides following technical scheme:
A kind of isothermal forging hydraulic press comprises:
Slide block;
Be arranged on a plurality of hydraulic jacks between the workbench of described slide block and this isothermal forging liquid making press;
Also comprise the displacement transducer that is arranged on each described hydraulic jack mobile terminal; Be arranged on the flow control valve of oil-in of the cylinder body of described hydraulic jack;
Be connected with flow control valve with described displacement transducer, and the controller of the described Flow-rate adjustment valve opening of Signal Regulation of gathering according to described displacement transducer.
Preferably, in the above-mentioned isothermal forging hydraulic press, the plunger rod of described hydraulic jack is connected with described slide block, and described cylinder body is connected with described workbench.
Preferably, in the above-mentioned isothermal forging hydraulic press, described controller is the PLC controller.
Preferably, in the above-mentioned isothermal forging hydraulic press, be arranged with fairlead in the top of described cylinder body, between described plunger rod and the described fairlead, be disposed with on the direction of stretching out along described plunger rod and be no less than two sealing ring, the position on the described fairlead between two sealing rings is provided with the oil drain canal that communicates with atmosphere.
Preferably, in the above-mentioned isothermal forging hydraulic press, be disposed with first stair ring, second stair ring and YX sealing ring on the direction of stretching out along described plunger rod, described oil drain canal is arranged on the described fairlead on the position between described second stair ring and the YX sealing ring.
Preferably, in the above-mentioned isothermal forging hydraulic press, the position of described fairlead inwall between two sealing rings is provided with cannelure, and described cannelure communicates with described oil drain canal.
Preferably, in the above-mentioned isothermal forging hydraulic press, the cross section of described cannelure is semicircle, trapezoidal, square or rectangle.
Preferably, in the above-mentioned isothermal forging hydraulic press, also comprise the snap joint on the outside port that is arranged on described oil drain canal.
Preferably, in the above-mentioned isothermal forging hydraulic press, also comprise a plurality of guide rings that are arranged on the described fairlead inwall.
Preferably, in the above-mentioned isothermal forging hydraulic press, described flow control valve is the proportional flow adjustable valve.
In the isothermal forging hydraulic press that the utility model embodiment provides, in the process of work, slide block moves under the effect of hydraulic jack, owing to be provided with displacement transducer on the mobile terminal of each hydraulic jack, be provided with flow control valve on the oil-in of the cylinder body of each hydraulic jack, displacement transducer is gathered the displacement signal of each hydraulic jack mobile terminal, and this displacement signal passed to controller, controller is according to the displacement signal of its reception, regulate the aperture of each flow control valve, thereby the displacement of mobile terminal that realizes each hydraulic jack is identical, adjusting by controller, improve slide block depth of parallelism between slide block bottom surface and the workbench in running, and then improved the forging and pressing quality of slide block workpiece.
Description of drawings
In order to be illustrated more clearly in the utility model embodiment or technical scheme of the prior art, to do to introduce simply to the accompanying drawing of required use in embodiment or the description of the Prior Art below, apparently, accompanying drawing in describing below only is embodiment more of the present utility model, for those of ordinary skills, under the prerequisite of not paying creative work, can also obtain other accompanying drawing according to these accompanying drawings.
The structural representation of the isothermal forging hydraulic press that Fig. 1 provides for the utility model embodiment;
The part-structure schematic diagram of hydraulic jack in the isothermal forging hydraulic press that Fig. 2 provides for the utility model embodiment.
The specific embodiment
Below in conjunction with the accompanying drawing among the utility model embodiment, the technical scheme among the utility model embodiment is clearly and completely described, obviously, described embodiment only is a part of embodiment of the present utility model, rather than whole embodiment.Based on the embodiment in the utility model, the every other embodiment that those of ordinary skills are obtained under the prerequisite of not making creative work belongs to the scope of the utility model protection.
The utility model provides a kind of isothermal forging hydraulic press, gather by displacement signal the mobile terminal of each hydraulic jack, controller is regulated each flow control valve according to displacement signal, the displacement that makes the mobile terminal of each hydraulic jack move equates, improve the depth of parallelism of slide block and workbench, and then improved the forging and pressing quality of workpiece.
Please refer to accompanying drawing 1, the structural representation of the isothermal forging hydraulic press that Fig. 1 provides for the utility model embodiment.
The isothermal forging hydraulic press that the utility model embodiment provides comprises slide block 1, a plurality of hydraulic jack, workbench 4 and controller, wherein:
A plurality of hydraulic jacks are arranged between slide block 1 and the workbench 4, and the mobile terminal of each hydraulic jack is provided with displacement transducer, and the oil-in of the cylinder body 3 of each hydraulic jack is provided with flow control valve;
Controller is connected with flow control valve with displacement transducer, receive the displacement signal of the hydraulic jack mobile terminal of displacement transducer collection, and the aperture of regulating flow control valve according to displacement signal, when for example the displacement of certain hydraulic jack is less than other hydraulic jack, controller is then controlled the flow control valve on the cylinder body oil-in of this hydraulic jack, strengthen its aperture, and then increase the translational speed of this hydraulic jack mobile terminal, by adjusting repeatedly, finally make the displacement of each hydraulic jack equate.In like manner, controller also can slow down mobile terminal velocity ratio hydraulic jack faster by reducing the aperture of flow control valve, finally makes the displacement of each hydraulic jack equate.
In the isothermal forging hydraulic press that provides among the utility model embodiment, slide block moves under the effect of hydraulic jack, owing to be provided with displacement transducer on the mobile terminal of each hydraulic jack, be provided with flow control valve on the oil-in of the cylinder body of each hydraulic jack, displacement transducer collects the displacement signal of each hydraulic jack mobile terminal, and this displacement signal passed to controller, controller is according to its displacement signal that receives, control the aperture of each flow control valve, thereby the displacement of mobile terminal that realizes each hydraulic jack is identical, adjusting by controller, improve slide block depth of parallelism between slide block bottom surface and the workbench in running, and then improved the forging and pressing quality of slide block workpiece.
Between slide block 1 and workbench 4, be provided with a plurality of hydraulic jacks, hydraulic jack in the present embodiment comprises cylinder body 3 and plunger rod 2, can be with the mobile terminal of cylinder body 3 as hydraulic jack, also can be with the mobile terminal of plunger rod 2 as hydraulic jack, because hydraulic oil enters into cylinder body 3 by the oil-in of cylinder body 3, and the work of realization hydraulic jack, preferably, in the present embodiment with the mobile terminal of plunger rod 2 as hydraulic jack, the plunger rod 2 of hydraulic jack is connected with slide block 1, cylinder body 3 is connected with workbench 4, and cylinder body 3 is arranged on the workbench 4, has made things convenient for the layout of inflow pipeline.
In the isothermal forging hydraulic press that provides in the foregoing description, controller can be for computer, also can be the PLC controller.
Hydraulic jack is the critical component in the isothermal forging hydraulic press among the utility model embodiment, it drives moving of slide block, its version can have multiple, as long as can drive slide block moves up and down, a kind of hydraulic jack of specific constructive form is provided among the utility model embodiment, please refer to accompanying drawing 2, the top of the cylinder body 3 of this hydraulic jack is provided with fairlead 5, between plunger rod 2 and the fairlead 5, be disposed with on the direction of stretching out along plunger rod 2 and be no less than two sealing ring, the position between 5 two sealing rings of fairlead is provided with the oil drain canal 10 that communicates with atmosphere.
In the hydraulic jack of said structure, plunger rod 2 is in flexible process, oil gas between fairlead 5 and the plunger rod 2 is compressed, it has very high pressure, this moment, high-pressure oil gas was discharged by oil drain canal 10, and then the oil-air pressure between release fairlead 5 and the plunger rod 2, avoided between fairlead 5 and the plunger rod 2 because high-pressure oil gas causes the situation that frictional force increases between sealing ring and the plunger rod 2, being provided with of oil drain canal 10 reduced the frictional force that is subjected in plunger rod 2 moving process, thereby reduced the fluctuation of plunger rod 2 speeds of service, and then reduced the velocity perturbation of slide block 1, and improved the stability of slide block 1 operation, improved the crudy of workpiece.
In order further to optimize technique scheme, in the hydraulic jack in the above-mentioned isothermal forging hydraulic press, be disposed with first stair ring 8, second stair ring 7 and YX sealing ring 6 on the direction of stretching out along plunger rod 2.Preferred, above-mentioned oil drain canal 10 is arranged between second stair ring 7 and the YX sealing ring 6, adopt first stair ring 8 and second stair ring 7 to guarantee sealing between plunger rod 2 and the fairlead 5, oil drain canal 10 is provided with between second stair ring 7 and the YX sealing ring and with high-pressure oil gas and discharges, and has reduced the frictional force between YX sealing ring 6 and the plunger rod 2 when having guaranteed sealing.
Better guiding compiles for high-pressure oil gas is had, the position of inwall between two sealing rings of above-mentioned fairlead 5 is provided with cannelure 11, cannelure 11 communicates with oil drain canal 10, in the process of work, high-pressure oil gas is easy to be pooled in the cannelure 11, and promptly discharges by oil drain canal 10.
In the hydraulic jack of the isothermal forging hydraulic press that provides in the present embodiment, the cross section of cannelure 11 is semicircle, trapezoidal, square or rectangle, and cannelure 11 can also be other shape certainly, is not limited to above-mentioned enumerate several.
In order further to optimize such scheme, also be provided with snap joint 12 on the outside port of above-mentioned oil drain canal 10, realized that oil drain canal 10 is connected quickly and easily with other pipeline.
In order to make plunger rod 2 more stable in the process that moves, the inwall of above-mentioned fairlead 5 is provided with a plurality of guide rings 9.
In the isothermal forging hydraulic press that provides among the utility model embodiment, flow control valve can adopt the adjustable valve body of various types of flows, and preferred, above-mentioned flow control valve is the proportional flow adjustable valve.
To the above-mentioned explanation of the disclosed embodiments, make this area professional and technical personnel can realize or use the utility model.Multiple modification to these embodiment will be conspicuous concerning those skilled in the art, and defined herein General Principle can realize under the situation that does not break away from spirit or scope of the present utility model in other embodiments.Therefore, the utility model will can not be restricted to these embodiment shown in this article, but will meet and principle disclosed herein and features of novelty the wideest corresponding to scope.
Claims (10)
1. isothermal forging hydraulic press comprises:
Slide block (1);
Be arranged on a plurality of hydraulic jacks between the workbench (4) of described slide block (1) and this isothermal forging liquid making press;
It is characterized in that, also comprise the displacement transducer that is arranged on each described hydraulic jack mobile terminal; If
Put the flow control valve of the oil-in of cylinder body (3) at described hydraulic jack;
Be connected with flow control valve with described displacement transducer, and the controller of the described Flow-rate adjustment valve opening of Signal Regulation of gathering according to described displacement transducer.
2. isothermal forging hydraulic press according to claim 1 is characterized in that, the plunger rod of described hydraulic jack (2) is connected with described slide block (1), and described cylinder body (3) is connected with described workbench (4).
3. isothermal forging hydraulic press according to claim 2 is characterized in that, described controller is the PLC controller.
4. isothermal forging hydraulic press according to claim 2, it is characterized in that, be arranged with fairlead (5) in the top of described cylinder body (3), between described plunger rod (2) and the described fairlead (5), be disposed with on the direction of stretching out along described plunger rod (2) and be no less than two sealing ring, the position that described fairlead (5) is gone up between two sealing rings is provided with the oil drain canal (10) that communicates with atmosphere.
5. isothermal forging hydraulic press according to claim 4, it is characterized in that, be disposed with first stair ring (8), second stair ring (7) and YX sealing ring (6) on the direction of stretching out along described plunger rod (2), described oil drain canal (10) is arranged on the position that is positioned on the described fairlead (5) between described second stair ring (7) and the YX sealing ring (6).
6. isothermal forging hydraulic press according to claim 5 is characterized in that, the position of described fairlead (5) inwall between two sealing rings is provided with cannelure (11), and described cannelure (11) communicates with described oil drain canal (10).
7. isothermal forging hydraulic press according to claim 6 is characterized in that, the cross section of described cannelure (11) is semicircle, trapezoidal, square or rectangle.
8. according to any described isothermal forging hydraulic press among the claim 4-7, it is characterized in that, also comprise the snap joint (12) on the outside port that is arranged on described oil drain canal (10).
9. isothermal forging hydraulic press according to claim 8 is characterized in that, also comprises a plurality of guide rings (9) that are arranged on described fairlead (5) inwall.
10. isothermal forging hydraulic press according to claim 1 is characterized in that, described flow control valve is the proportional flow adjustable valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201120048873 CN202052895U (en) | 2011-02-25 | 2011-02-25 | Isothermal forging hydraulic machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201120048873 CN202052895U (en) | 2011-02-25 | 2011-02-25 | Isothermal forging hydraulic machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202052895U true CN202052895U (en) | 2011-11-30 |
Family
ID=45012882
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201120048873 Expired - Lifetime CN202052895U (en) | 2011-02-25 | 2011-02-25 | Isothermal forging hydraulic machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202052895U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102909302A (en) * | 2012-11-15 | 2013-02-06 | 天津市天锻压力机有限公司 | Forging machine capable of realizing constant-temperature thermal forming of hot metal sheet parts |
| CN103879017A (en) * | 2014-03-27 | 2014-06-25 | 江苏莘翔机电有限公司 | Four-corner leveling device of novel rapid hydraulic machine |
| CN109910354A (en) * | 2017-12-13 | 2019-06-21 | 宝沃汽车（中国）有限公司 | Press machine |
-
2011
- 2011-02-25 CN CN 201120048873 patent/CN202052895U/en not_active Expired - Lifetime
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102909302A (en) * | 2012-11-15 | 2013-02-06 | 天津市天锻压力机有限公司 | Forging machine capable of realizing constant-temperature thermal forming of hot metal sheet parts |
| CN102909302B (en) * | 2012-11-15 | 2015-08-26 | 天津市天锻压力机有限公司 | The shaping forging press of hot sheet metal component Isothermal Hot can be realized |
| CN103879017A (en) * | 2014-03-27 | 2014-06-25 | 江苏莘翔机电有限公司 | Four-corner leveling device of novel rapid hydraulic machine |
| CN109910354A (en) * | 2017-12-13 | 2019-06-21 | 宝沃汽车（中国）有限公司 | Press machine |
| CN109910354B (en) * | 2017-12-13 | 2021-03-26 | 宝沃汽车（中国）有限公司 | Press machine |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 230601 Hefei economic and Technological Development Zone, Anhui, No. 123 Ziyun Road Patentee after: Hefei forging intelligent manufacturing Limited by Share Ltd Address before: 230601 Hefei economic and Technological Development Zone, Anhui, No. 123 Ziyun Road Patentee before: Hefei Metalforming Machine Tool Co., Ltd. |
|
| CX01 | Expiry of patent term |
Granted publication date: 20111130 |
|
| CX01 | Expiry of patent term |