CN201632573U - Free forging hydraulic power system - Google Patents
Free forging hydraulic power system Download PDFInfo
- Publication number
- CN201632573U CN201632573U CN2010201509868U CN201020150986U CN201632573U CN 201632573 U CN201632573 U CN 201632573U CN 2010201509868 U CN2010201509868 U CN 2010201509868U CN 201020150986 U CN201020150986 U CN 201020150986U CN 201632573 U CN201632573 U CN 201632573U
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- pressure pipeline
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Abstract
The utility model relates to a hydraulic control loop. The technical problem to be solved is that the system provided needs to have the characteristics of precise control, energy saving, being beneficial to environmental protection and low working intensity. The technical scheme is as follows: the free forging hydraulic power system includes a cylinder vertically arranged on a forging machine pedestal as well as guide rails vertically arranged below the cylinder and locating a hammer; and the hammer is fixed at the lower end of a piston rod. The free forging hydraulic power system is characterized in that the hammer is an electrohydraulic hammer; the inner cavity of the cylinder is communicated with the bottom end of the inner cavity of the cylinder after passing through a first pressure pipeline, a four-way valve, a second pressure pipeline, a main control valve, a third pressure pipeline, a quick discharge valve and a fourth pressure pipeline in sequence; another two interfaces of the four-way valve are communicated with an air bottle and an air tank; another interface of the quick discharge valve and another interface of the main control valve are connected with the oil storage tank of a hydraulic station; a sixth pressure pipeline is also communicated with the second pressure pipeline and then is communicated with a hydraulic oil output tube in the hydraulic station through an energy accumulator.
Description
Technical field
The utility model relates to a kind of hydraulic control circuit, especially the open die forging hydraulic power loop in the Forging Technology.
Background technology
Open die forging be the metal stock that will heat be placed on forging equipment on, between the following whetstone iron, apply impulsive force or pressure, directly make blank produce plastic deformation, thereby obtain a kind of processing method of required forging.Open die forging is owing to the forging simple shape, and flexible operation is applicable to the production of single-piece, small lot and heavy forging.In modern industry was produced, the machine open die forging had become the main method of forging production; In heavy-duty machinery was made, it had the effect of particular importance.
The main steam hammer that adopts in the existing free forging process, its structure is as shown in Figure 2; During work, steam Z1 enters inner chamber (the bottom exhaust steam Z2 of big cylinder) from the top of big cylinder 41, promotion piston 42 down moves together with the tup 16 of piston rod 43 lower ends, makes the upper anvil 15 of tup 16 bottoms directly beat the workpiece 14 (figure hammering block 13 as follows is positioned on two hammering blocks 12 and the anvil block 11) that are arranged on the following hammering block 13.And behind the switching valve, steam Z2 enters inner chamber (steam Z1 discharges from the top of big cylinder 41) from the bottom of big cylinder, promotes piston and up move together with tup 16, preparation forging next time.
The major defect of steam hammer is that energy utilization rate is not high owing to adopt steam, so and to need to be equipped with the investment of boiler expense bigger; In addition, adopt coal-burning boiler also to be unfavorable for environmental protection.
The utility model content
Technical problem to be solved in the utility model is the deficiency that overcomes the above-mentioned background technology, and a kind of improvement of open die forging hydraulic power system is provided, and this system should have accurately control, energy savings, help environmental protection and the low characteristics of labour intensity.
The technical scheme that the utility model provides is: the open die forging hydraulic power system, comprise and vertically be arranged on the forging press support and inner chamber is being located the cylinder body of piston, and vertically being arranged on the guide rail that the tup that can vertically move up and down is being located in the cylinder body below, this tup is fixed on the lower end of piston rod; It is characterized in that described tup is electric liquid hammer, described inner chamber of cylinder block is connected with the bottom of inner chamber of cylinder block behind first pressure pipeline by being communicated with the inner chamber of cylinder block top, cross valve, second pressure pipeline, main control valve, the 3rd pressure pipeline, fast dispersing valve, the 4th pressure pipeline successively, and two interfaces in addition of described cross valve are connected a gas cylinder and a gas tank by the 5th pressure pipeline and the 6th pressure pipeline respectively; Another interface of described fast dispersing valve and another interface of main control valve insert the oil storage tank of Hydraulic Station respectively by first oil returning tube and second oil returning tube; Described the 6th pressure pipeline is also connected the hydraulic oil efferent duct of connecting behind second pressure pipeline in the Hydraulic Station by an accumulator.
In described first pressure pipeline, what carry in the 6th pressure pipeline is nitrogen.
Comprise be installed in the oil storage tank four the unit power sources that insert in parallel in the described Hydraulic Station, each unit power source includes the check valve and the motor-driven oil pump of a serial connection, and the combination valve that is connected in parallel with check valve.
The beneficial effects of the utility model are: owing to change steam drive into hydraulic-driven, except keeping original operational characteristic, its energy-saving effect is (energy consumption be original steam hammer 1/12nd) especially significantly, has reduced production cost significantly; Also solved the problem of environmental pollution that original technology is brought; In addition, because operation control has also significantly alleviated labor intensity of operating personnel comparatively accurately flexibly.
Description of drawings
Fig. 1 is a system architecture schematic diagram of the present utility model.
Fig. 2 is the structural representation of original steam hammer.
The specific embodiment
As shown in Figure 1, in this open die forging hydraulic power system, cylinder body 20 is arranged on (axis of cylinder body 20 is parallel with guide rail 17) on the forging press support with guide rail 17; This guide rail is tubular and vertically arranges, is locating the tup 16 that can vertically move up and down in the inner chamber; Cylinder body 20 is positioned at the top of guide rail 17, and inner chamber of cylinder block is also being located the piston 19 that can vertically move up and down, and the piston rod 18 of piston is connected with tup 16 after down extending cylinder body.During work, piston drives tup 16 and moves up and down together, makes the upper anvil 15 of tup 16 bottoms directly beat the workpiece 14 that is positioned on the following hammering block 13.Above structure is all same as the prior art.
The utility model changes the drive form of tup 16 into hydraulic-driven, and has been equipped with the corresponding driving hydraulic power system.Concrete structure is as follows:
The open die forging hydraulic power system comprises respectively the pressure pipeline that is communicated with inner chamber of cylinder block in cylinder body 20 tops and bottom; Described tup 16 is electric liquid hammers, the top of described cylinder body is communicated with first pressure pipeline 1, cross valve 7, second pressure pipeline 2, main control valve 9, the 3rd pressure pipeline 3, fast dispersing valve 10, the 4th pressure pipeline 4 backs and the connection of cylinder body bottom successively, and two interfaces in addition of described cross valve 7 are connected a gas cylinder 22 and a gas tank 21 by the 5th pressure pipeline 5 and the 6th pressure pipeline 6 respectively; Another interface of described fast dispersing valve 10 and another interface of main control valve 9 insert the oil storage tank 35 of Hydraulic Station respectively by first oil returning tube 31 and second oil returning tube 32; Described the 6th pressure pipeline 6 is also connected the hydraulic oil efferent duct (33) in the Hydraulic Station (36) by a bypass pipeline 38 turn-on accumulator successively 8, second pressure pipeline, 2 backs.
What carry in described first pressure pipeline 1 is nitrogen, and this pipeline is connected a gas cylinder 22 by cross valve 7, the 5th pressure pipeline 5 backs, the nitrogen in the gas cylinder is delivered to the first half of inner chamber of cylinder block; The nitrogen of inner chamber of cylinder block the first half output (when piston up moves) by cross valve 7, the 6th pressure pipeline 6, is delivered to gas tank 21 with nitrogen.
Comprise four unit power sources 39 that insert in parallel that are installed in the oil storage tank 35 in the described Hydraulic Station 36, each unit power source includes the oil pump 24 by motor 23 drivings of a check valve 26 and this check valve serial connection, also comprises the combination valve 25 that is connected in parallel with check valve.This Hydraulic Station is a conventional structure, can directly continue to use.
All hydraulics such as the above electric liquid hammer, main control valve, cross valve, fast dispersing valve, accumulator control components and parts are outsourcing part, can directly choose adapted.
Operation principle of the present utility model is: motor 23 starts, and drives oil pump 24 fuel feeding, and hydraulic system is made good berth and prepared.
Operating personnel press " lifting tup " switch, main control valve is opened, hydraulic oil is extracted out from oil storage tank by oil pump, behind check valve 26, hydraulic oil efferent duct 33, main control valve 9, the 3rd pressure pipeline 3, fast dispersing valve 10, the 4th pressure pipeline 4, enter the bottom of inner chamber of cylinder block, thereby driven plunger 19 moves upward, with tup 16 lifting of walking unhurriedly.
Operating personnel press " forging " switch, and main control valve promptly switches; Fast dispersing valve 10 starts, and the hydraulic oil of inner chamber of cylinder block Lower Half is extracted out fast, flows into oil storage tank 35 through the 4th pressure pipeline 4, fast dispersing valve 10, second oil returning tube, 32 backs; Hydraulic oil in the pipeline is also by entering oil storage tank 35 behind the 3rd pressure pipeline 3, main control valve 9, first oil returning tube 31.
So far finish a working cycles; Carry out above-mentioned circulation repeatedly, hammered work is continuously carried out.
Also have among the figure: easing valve B, cooling system 40.
Claims (3)
1. open die forging hydraulic power system, comprise and vertically be arranged on the forging press support and inner chamber is being located the cylinder body (20) of piston (19), and vertically being arranged on the guide rail (17) that the tup (16) that can vertically move up and down is being located in the cylinder body below, this tup (16) is fixed on the lower end of piston rod (18); It is characterized in that described tup is electric liquid hammer, the inner chamber of described cylinder body is connected with the bottom of inner chamber of cylinder block by first pressure pipeline (1), cross valve (7), second pressure pipeline (2), main control valve (9), the 3rd pressure pipeline (3), fast dispersing valve (10), the 4th pressure pipeline (4) back that are communicated with the inner chamber of cylinder block top successively, and two interfaces in addition of described cross valve are connected a gas cylinder (22) and a gas tank (21) by the 5th pressure pipeline (5) and the 6th pressure pipeline (6) respectively; Another interface of described fast dispersing valve (10) and another interface of main control valve insert the oil storage tank (35) of Hydraulic Station respectively by first oil returning tube (31) and second oil returning tube (32); Described the 6th pressure pipeline (6) is also connected hydraulic oil efferent duct (33) in second pressure pipeline (2) and the Hydraulic Station (36) successively by an accumulator (6).
2. open die forging hydraulic power system according to claim 1 is characterized in that in described first pressure pipeline (1), what carry in the 6th pressure pipeline (6) all is nitrogen.
3. open die forging hydraulic power system according to claim 1 and 2, it is characterized in that comprising in the described Hydraulic Station (36) four unit power sources (39) that insert in parallel that are installed in the oil storage tank, each unit power source includes the check valve (26) of a serial connection and the oil pump (24) of motor (23) driving, and the combination valve (25) that is connected in parallel with check valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010201509868U CN201632573U (en) | 2010-04-01 | 2010-04-01 | Free forging hydraulic power system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010201509868U CN201632573U (en) | 2010-04-01 | 2010-04-01 | Free forging hydraulic power system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201632573U true CN201632573U (en) | 2010-11-17 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010201509868U Expired - Fee Related CN201632573U (en) | 2010-04-01 | 2010-04-01 | Free forging hydraulic power system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201632573U (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102371325A (en) * | 2011-11-10 | 2012-03-14 | 王佐栋 | Power transmission system for accumulator of oil pump of large-sized/middle-sized forging oil press |
| CN103042146A (en) * | 2011-10-13 | 2013-04-17 | 辽阳石化机械设计制造有限公司 | High-frequency forging hydraulic system of hydraulic precise forging machine |
| CN103286251A (en) * | 2013-05-17 | 2013-09-11 | 天津市天锻压力机有限公司 | Oil supply system of hydraulic forging press |
| CN105598334A (en) * | 2016-02-18 | 2016-05-25 | 南通皋液液压机有限公司 | Hydraulic system for hydraulic machine for forging and pressing elastic materials |
| CN105928219A (en) * | 2016-06-07 | 2016-09-07 | 宁波高新区世代能源科技有限公司 | Solar forging bed |
| CN108580773A (en) * | 2018-06-09 | 2018-09-28 | 江苏华威机械制造有限公司 | A kind of hydraulic pressure weight forging machine and its intelligent control method |
| CN110918853A (en) * | 2019-12-07 | 2020-03-27 | 南京宏擎精密材料科技有限公司 | Energy-saving die forging hydraulic press and using method thereof |
-
2010
- 2010-04-01 CN CN2010201509868U patent/CN201632573U/en not_active Expired - Fee Related
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103042146A (en) * | 2011-10-13 | 2013-04-17 | 辽阳石化机械设计制造有限公司 | High-frequency forging hydraulic system of hydraulic precise forging machine |
| CN102371325A (en) * | 2011-11-10 | 2012-03-14 | 王佐栋 | Power transmission system for accumulator of oil pump of large-sized/middle-sized forging oil press |
| CN102371325B (en) * | 2011-11-10 | 2016-03-23 | 王佐栋 | A kind of oil pump accumulator dynamic transfer system of large and medium-sized forge oil press |
| CN103286251A (en) * | 2013-05-17 | 2013-09-11 | 天津市天锻压力机有限公司 | Oil supply system of hydraulic forging press |
| CN105598334A (en) * | 2016-02-18 | 2016-05-25 | 南通皋液液压机有限公司 | Hydraulic system for hydraulic machine for forging and pressing elastic materials |
| CN105928219A (en) * | 2016-06-07 | 2016-09-07 | 宁波高新区世代能源科技有限公司 | Solar forging bed |
| CN108580773A (en) * | 2018-06-09 | 2018-09-28 | 江苏华威机械制造有限公司 | A kind of hydraulic pressure weight forging machine and its intelligent control method |
| CN108580773B (en) * | 2018-06-09 | 2023-05-16 | 江苏华威机械制造有限公司 | Hydraulic weight forging machine and intelligent control method thereof |
| CN110918853A (en) * | 2019-12-07 | 2020-03-27 | 南京宏擎精密材料科技有限公司 | Energy-saving die forging hydraulic press and using method thereof |
| CN110918853B (en) * | 2019-12-07 | 2021-09-03 | 南京宏擎精密材料科技有限公司 | Energy-saving die forging hydraulic press and using method thereof |
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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 |
Granted publication date: 20101117 Termination date: 20150401 |
|
| EXPY | Termination of patent right or utility model |