CN202684088U - Wet-type magnet forming hydraulic machine controlled by double proportional hydraulic valve - Google Patents
Wet-type magnet forming hydraulic machine controlled by double proportional hydraulic valve Download PDFInfo
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- CN202684088U CN202684088U CN 201220274563 CN201220274563U CN202684088U CN 202684088 U CN202684088 U CN 202684088U CN 201220274563 CN201220274563 CN 201220274563 CN 201220274563 U CN201220274563 U CN 201220274563U CN 202684088 U CN202684088 U CN 202684088U
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Abstract
The utility model discloses a wet-type magnet forming hydraulic machine controlled by a double proportional hydraulic valve. The wet-type magnet forming hydraulic machine controlled by the double proportional hydraulic valve comprises an upper oil cylinder, a lower oil cylinder and a material sucking and injecting oil cylinder, which are used for the wet-type magnet forming hydraulic machine to form wet-type magnets and connected with a metering pump arranged in the oil cylinder hydraulic system and driven by a motor, and with a solenoid control valve, a throttle valve and a pressure valve all arranged on oil inlet and outlet lines of each oil cylinder. A double proportional valve controlled by a programmable logic controller (PLC) display screen is arranged on the oil outlet line of the metering pump arranged in the hydraulic system and driven by the motor. According to the wet-type magnet forming hydraulic machine controlled by the double proportional hydraulic valve, the hydraulic system of the wet-type magnet forming hydraulic machine is simplified, the double proportional valve is arranged on the metering pump which is arranged in the oil cylinder hydraulic system and driven by the motor, an electric current is output to a proportional electromagnet of the double proportional valve through a PLC touch screen and a proportion amplifying circuit board, and pressure and flow of the hydraulic system are randomly changed due to the facts that thrust of the proportional electromagnet is changed and pre-tightening force of a valve core is controlled by adjusting technological parameters through the touch screen, and therefore stepless change of the pressure and the flow is achieved.
Description
Technical field
The utility model belongs to the hydraulic test technical field, relates to the improvement of magnetic material forming hydraulic press Hydraulic Equipment power-saving technology, is specifically related to a kind of wet type magnetic material forming hydraulic press that adopts two ratio hydraulic valve controls.
Background technology
Using wet type magnetic material forming hydraulic press moulding permanent-magnet material product is the process of a high energy consumption, and such wet type magnetic material forming hydraulic press equipment of at present China enterprise production, it is the technology of the imitated eighties in 20th century of external former that its major technique supports, and uses till today always.The hydraulic system structure of equipment is relatively complicated, and the Hydraulic Elements quantity that equipment uses is too much, wherein reaches the original paper of hydraulic energy energy transform into heat energy more than 10.Existing wet type magnetic material forming hydraulic press in use, its main moulding process basic step is:
1. descend cylinder ejector; 2. upper cylinder is lower soon; 3. suction/oil cylinder the matched moulds that shoots material, shoot material, magnetize; 4. upper cylinder is pressed soon; 5. upper cylinder is pressed slowly; 6. pressurize/demagnetization; 7. upper cylinder pressure release; 8. suction/the oil cylinder mould that shoots material is got embryo.
Wet type magnetic material forming hydraulic press is according to the different process requirement of different products, and requiring each link pressure of technological process and flow (speed) is variate-value, and its each cylinder pressure and flow value are respective change.As shown in Figure 1, in conventional hydraulic, need three grades of manual flow valve by setting, add the adjustment that other choke valve is finished flow, finish the adjustment of pressure in conjunction with lead limit switch by fixed electromagnetic relief valve, the adjustment of this type of Hydraulic Equipment, not directly perceived, not only working strength is large, specification requirement to the commissioning staff is also high, because operation is relatively loaded down with trivial details, therefore not only can affects the stability of hydraulic system, and cause a large amount of energy dissipations.However, at present domestic still have more than ten enterprises also producing this kind equipment, also have tens of magnetic material enterprises at these equipment of use, as seen the backwardness of equipment and technology, it is very surprising making its in use waste of producing of catabiotic while, and the utmost point does not meet the energy savings requirement of country and industry.
The utility model content
The purpose of this utility model provides a kind of wet type magnetic material forming hydraulic press that adopts two ratio hydraulic valve controls, the structure of its simplified apparatus hydraulic system, reduced the use of the Hydraulic Elements of equipment, adopt simultaneously two ratio hydraulic controls, as long as the control touch-screen at equipment is revised relevant parameter, can finish the modification to the required pressure of hydraulic system and flow, operate directly perceived, easy, save time, not only alleviated commissioning staff's labour intensity; But also improved the stability of hydraulic system and the utilization rate of equipment, and reduced use cost, also solved the problem that wastes energy that exists in the existing magnetic material forming equipment simultaneously.
The technical scheme that the utility model adopts is, a kind of wet type magnetic material forming hydraulic press that adopts two ratio hydraulic valve controls, comprise wet type magnetic material forming hydraulic press moulding wet type magnetic material upper cylinder, lower oil cylinder, suction/oil cylinder shoots material, connect in the above-mentioned oil cylinder hydraulic system by the constant displacement pump of driven by motor and solenoid electric valve, choke valve and the pressure valve on each oil cylinder inlet and outlet of fuel channel, the two proportioning valves by the control of Programmable Logic Controller PLC display screen are set on the constant displacement pump output circuit by driven by motor in the described hydraulic system.
The wet type magnetic material forming hydraulic press of the two ratio hydraulic valve controls of employing described in the utility model is further characterized in that,
The described pair of proportioning valve is combined into one by the proportional pressure valve of parallel connection and proportional flow control valve, and described Programmable Logic Controller PLC display screen is the control touch-screen of a capable of regulating pressure and flow parameter.
The utility model adopts the wet type magnetic material forming hydraulic press of two ratio hydraulic valve controls, constant displacement pump output circuit by driven by motor in hydraulic system is provided with two proportioning valves, its touch-screen by PLC+ratio magnification circuit plate output current is given the proportion electro-magnet of two proportioning valves, by the thrust of touch-screen adjusting process parameter change proportion electro-magnet, the pretightning force of control spool, come pressure and the flow of randomly changing Hydraulic Equipment, make pressure and flow reach stepless variation.
The utility model has been simplified hydraulic system, reduced in the conventional hydraulic---the dissipative cells such as multistage definite value overflow valve, pressure-reducing valve, flow valve, choke valve, reduce the caloric value of hydraulic system and the energy consumption of equipment, improved widely the stability of equipment.
Description of drawings
Fig. 1 is existing wet type magnetic material forming hydraulic system of hydraulic machine structural representation;
Fig. 2 is the wet type magnetic material forming hydraulic system of hydraulic machine structural representation that the utility model adopts two ratio hydraulic valve controls.
Among the figure, 1. upper cylinder 2. plays oil cylinder, the 3. suction/oil cylinder that shoots material, 4. motor, 5. constant displacement pump, 6. solenoid electric valve, 7. choke valve, 8. pressure valve, 9. pair proportioning valve, 10. proportional pressure valve, 11. proportional flow control valves.
The specific embodiment
With the specific embodiment the utility model is elaborated by reference to the accompanying drawings.
A kind of wet type magnetic material forming hydraulic press that adopts two ratio hydraulic valve controls, as shown in Figure 2, the upper cylinder 1 that comprises wet type magnetic material forming hydraulic press moulding wet type magnetic material, lower oil cylinder 2, suction/oil cylinder 3 shoots material, connect the constant displacement pump 5 that is driven by motor 4 in the above-mentioned oil cylinder hydraulic system, and the solenoid electric valve 6 on each oil cylinder inlet and outlet of fuel channel, choke valve 7 and pressure valve 8, the one two proportioning valves 9 by the control of Programmable Logic Controller PLC display screen are set on constant displacement pump 5 output circuits that driven by motor 4 in the described hydraulic system, and the described pair of proportioning valve 9 is combined into one by the proportional pressure valve 10 of parallel connection and proportional flow control valve 11.
Programmable Logic Controller PLC display screen described in the utility model is the control touch-screen of a capable of regulating pressure and flow parameter.
The utility model adopts the wet type magnetic material forming hydraulic press of two ratio hydraulic valves controls, and constant displacement pump 5 output circuits that driven by motor 4 in conventional hydraulic arrange one by two proportioning valves 9 Programmable Logic Controller PLC control, that be combined into one by proportional pressure valve 10 and the proportional flow control valve 11 of parallel connection.This pair proportioning valve 9 is that the touch-screen that adopts PLC+ratio magnification circuit plate output current offers the proportion electro-magnet of two proportioning valves 9, the output current that shows by touch-screen increases and decreases, change the output current size of magnification circuit plate, change again the thrust of two proportioning valve 9 proportion electro-magnets, thereby the pretightning force of control spool changes (or opening quantitative change).Like this, just pressure and the flow of energy randomly changing wet type magnetic material forming hydraulic system of hydraulic machine make pressure and flow reach stepless variation; Therefore also simplified the hydraulic system of equipment, reduced in the existing wet type magnetic material forming hydraulic system of hydraulic machine---the dissipative cells such as multistage definite value overflow valve, pressure-reducing valve, flow valve, choke valve.
The utility model wet type magnetic material forming hydraulic press, the two proportioning valves 9 that adopt are that Programmable Logic Controller PLC display screen is the control touch-screen of a capable of regulating pressure and flow parameter by two proportioning valves of Programmable Logic Controller PLC control.It has set pressure and the flow that matches by the program of computer establishment first for each level work, play the protection of carrying out every one-level corresponding system, come again each link pressure and flow parameter of adjusting process flow process by the touch-screen of display screen, it is very convenient to adjust, intuitively, time is short, has reduced non-cutting time widely, has improved productivity ratio; The heating link is few in the hydraulic system, Systems balanth improves greatly, use procedure at the utility model wet type magnetic material forming hydraulic press, the actual power consumption values of surveying reduces about 20% than existing wet type magnetic material forming hydraulic system of hydraulic machine, also reduced the heating of hydraulic system, improve widely the stability of equipment, prolonged the service life of equipment.
Above-mentioned embodiment is an example of the present utility model; not to limit enforcement of the present utility model and interest field; all equivalences of making according to the described content of the utility model patent protection scope change and modify, and all should be included in the utility model claim.
Claims (3)
1. one kind is adopted pair wet type magnetic material forming hydraulic press of ratio hydraulic valves control, the upper cylinder (1) that comprises wet type magnetic material forming hydraulic press moulding wet type magnetic material, lower oil cylinder (2), suction/the oil cylinder that shoots material (3), connect the constant displacement pump (5) that is driven by motor (4) in the above-mentioned oil cylinder hydraulic system, and the solenoid electric valve (6) on each oil cylinder inlet and outlet of fuel channel, choke valve (7) and pressure valve (8), it is characterized in that, the two proportioning valves (9) by the control of Programmable Logic Controller PLC display screen are set on constant displacement pump (5) output circuit that is driven by motor (4) in the described hydraulic system.
2. the wet type magnetic material forming hydraulic press of the two ratio hydraulic valves controls of employing according to claim 1 is characterized in that, described pair of proportioning valve (9) is combined into one by the proportional pressure valve (10) of parallel connection and proportional flow control valve (11).
3. the wet type magnetic material forming hydraulic press of the two ratio hydraulic valve controls of employing according to claim 1 is characterized in that, described Programmable Logic Controller PLC display screen is the control touch-screen of a capable of regulating pressure and flow parameter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220274563 CN202684088U (en) | 2012-06-11 | 2012-06-11 | Wet-type magnet forming hydraulic machine controlled by double proportional hydraulic valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220274563 CN202684088U (en) | 2012-06-11 | 2012-06-11 | Wet-type magnet forming hydraulic machine controlled by double proportional hydraulic valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202684088U true CN202684088U (en) | 2013-01-23 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220274563 Expired - Fee Related CN202684088U (en) | 2012-06-11 | 2012-06-11 | Wet-type magnet forming hydraulic machine controlled by double proportional hydraulic valve |
Country Status (1)
| Country | Link |
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| CN (1) | CN202684088U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104609307A (en) * | 2014-12-30 | 2015-05-13 | 大连维乐液压制造有限公司 | Multi-purpose crane hydraulic system |
| CN110005650A (en) * | 2019-04-30 | 2019-07-12 | 郑钧译 | A kind of floating type automatic hydraulic press of double servos |
-
2012
- 2012-06-11 CN CN 201220274563 patent/CN202684088U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104609307A (en) * | 2014-12-30 | 2015-05-13 | 大连维乐液压制造有限公司 | Multi-purpose crane hydraulic system |
| CN110005650A (en) * | 2019-04-30 | 2019-07-12 | 郑钧译 | A kind of floating type automatic hydraulic press of double servos |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130123 Termination date: 20130611 |