CN2856537Y - Oil pressure system of cut-off machine - Google Patents
Oil pressure system of cut-off machine Download PDFInfo
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- CN2856537Y CN2856537Y CN 200520068148 CN200520068148U CN2856537Y CN 2856537 Y CN2856537 Y CN 2856537Y CN 200520068148 CN200520068148 CN 200520068148 CN 200520068148 U CN200520068148 U CN 200520068148U CN 2856537 Y CN2856537 Y CN 2856537Y
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- oil
- control module
- valve
- output terminal
- rising
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Abstract
The utility model discloses an oil pressure system of a cut-off machine. The oil pressure system includes a switch control module, a decline control module, a rising control module, an oil return control module and an oil cylinder. There are an main oil circuit and a control oil circuit. The oil pressure system has a quick response, a high precision, a stable working and a low noise because most of the valves in the system adopts electromagnetic control, thus, the requirement of the mechanical automation control can be satisfied primely; the consumption of the energy and the circuit connection management are reduced because of the simple design of the oil circuit system; otherwise, the part lifetime is increased greatly and the internal drainage of the system is greatly reduced because of using a plug-in valve and a logical valve which has a big flow capacity, thus, the flow resistance of the hydraulic oil and the energy consumption are all reduced and the efficiency is improved.
Description
Technical field
The utility model relates to a kind of pressurized oil system.Especially a kind of pressurized oil system that is used for the high speed cutter.
Background technique
The high speed cutter is to produce high speed severing power by the piston up-down that the oily oil return of going into of oil-way system drives the executive component oil cylinder.A kind of oil-way system that is used for driving oil cylinder as Fig. 1, comprises electro-hydraulic reversing valve 1 ', one-way valve 2 ', one-way valve 3 ', one-way valve 4 ', sequence valve 5 ', sequence valve 6 ', Pilot operated check valve 7 ' and oil cylinder 8 ' at present.Its working principle is that oil pump PUMP driving hydraulic oil is connected with input end with electro-hydraulic reversing valve 1 ' through one-way valve 2 ', when cutter is carried out down maneuver, electro-hydraulic reversing valve 1 ' is communicated with the decline oil circuit, hydraulic oil enters oil cylinder 8 ' upper oil cavitie through electro-hydraulic reversing valve 1 ', simultaneously, the hydraulic oil of oil cylinder 8 ' lower oil cavitie refluxes.If the oil pressure of oil cylinder 8 ' upper oil cavitie is lower than the setup pressure value of sequence valve 5 ', because the control end of Pilot operated check valve 7 ' is subjected to the pressure of oil cylinder 8 ' upper oil cavitie at this moment, Pilot operated check valve 7 ' is communicated with, hydraulic oil can enter into upper oil cavitie through Pilot operated check valve 7 ' and one-way valve 3 ', makes the piston of oil cylinder 8 ' produce decline fast; If the oil pressure of oil cylinder 8 ' upper oil cavitie is higher than the setup pressure value of sequence valve 5 ', sequence valve 5 ' conducting, hydraulic oil can flow to oil sump tank T through sequence valve 5 ', at this moment, the slack-off generation high pressure of oil cylinder rate of descent severing power.When cutter is carried out vertical motion, electro-hydraulic reversing valve 1 ' is communicated with the rising oil circuit and the decline oil circuit is communicated with oil sump tank T, hydraulic oil enters the lower oil cavitie of oil cylinder 8 ' through electro-hydraulic reversing valve 1 ', one-way valve 4 ', simultaneously, the hydraulic oil of oil cylinder 8 ' upper oil cavitie is back to oil sump tank T through electro-hydraulic reversing valve 1 ', makes oil cylinder 8 ' piston produce the action of rising.The shortcoming of this oil-way system is: oil circuit control part mostly is the oil pressure spare of traditional mechanical control, because this class part precision is low, have influence on the precision and the response time of whole oil-way system, be difficult to adapt to the requirement of automation industry, and this system work process noise is big, can make oily temperature rise, causes the energy loss-rate low, the traditional oils casting die weares and teares easily in addition, the life-span short, has caused the increase of maintenance cost and the increase of difficulty.
Summary of the invention
The purpose of this utility model be to provide a kind of precision height, response fast, can the loss-rate height, the pressurized oil system of long cutter of life-span.
The utility model is to realize above-mentioned purpose like this:
The pressurized oil system of cutter is characterized in that: comprise switch control module, decline control module, rising control module, oil return control module and oil cylinder, its oil circuit connects can be divided into working connection and control oil channel; Working connection is: oil pump is connected through the working connection input end of one-way valve with switch control module, decline control module, rising control module; The output terminal of switch control module is connected with cooler; The output terminal of decline control module is connected with the oil cylinder upper oil cavitie, and oil revolving end is connected with oil sump tank, and the oil circuit that descends fast is connected with the oil cylinder lower oil cavitie; The output terminal of rising control module is connected with the oil cylinder lower oil cavitie; Oil return control module input end is connected with the oil cylinder lower oil cavitie, and output terminal is connected with oil sump tank; Control oil channel is: the control oil channel input end of decline control module, rising control module is connected with oil pump and is connected with the upper oil cavitie of oil cylinder through one-way valve through one-way valve; The control oil channel oil revolving end of decline control module, rising control module is connected with oil sump tank; Be connected with rising synchronization control oil circuit between decline control module and the rising control module; The control end of oil return control module is connected with the upper oil cavitie of oil cylinder.
The beneficial effects of the utility model are: because most of valve adopts Electromagnetic Control in the system, the pressurized oil system response is fast, the precision height, and working stability and noise are little, can well satisfy the requirement of mechanical automation control; And oil-way system design intensification, reduce the management road and connect and energy loss; In addition,, improve part life greatly and significantly reduced discharge system in, and logical valve has the characteristics of big flow, can reduce hydraulic oil flow dynamic resistance minimizing energy loss, raise the efficiency owing to adopt cartridge valve and logical valve.
Description of drawings
Below in conjunction with drawings and Examples the utility model is further specified:
Fig. 1 is the oil circuit figure of existing pressurized oil system;
Fig. 2 is a schematic diagram of the present utility model;
Fig. 3 is oil circuit figure of the present utility model.
Embodiment
With reference to Fig. 2, Fig. 3, the pressurized oil system of cutter comprises switch control module 1, decline control module 2, rising control module 3, oil return control module 4 and oil cylinder 5, and its oil circuit connects can be divided into working connection and control oil channel.Working connection is: oil pump PUMP is connected with working connection input end C, A, the B of switch control module 1, decline control module 2, rising control module 3 through one-way valve 6; The output terminal of switch control module 1 is connected with cooler COOLER; The output terminal D of decline control module 2 is connected with the upper oil cavitie 51 of oil cylinder 5, and oil revolving end E is connected with oil sump tank T, and the oil circuit that descends fast is connected with oil cylinder lower oil cavitie 52; The output terminal F of rising control module 3 is connected with oil cylinder lower oil cavitie 52; Oil return control module 4 input end G are connected with oil cylinder lower oil cavitie 52, and output terminal H is connected with oil sump tank T.Control oil channel is: control oil channel input end I, the J of decline control module 2, rising control module 3 is connected with oil pump PUMP and is connected with oil cylinder upper oil cavitie 51 through one-way valve 8 through one-way valve 7; The control oil channel oil revolving end K of decline control module 2, rising control module 1 is connected with oil sump tank T; Be connected with rising synchronization control oil circuit 9 between decline control module 2 and the rising control module 3; The control end L of oil return control module 4 is connected with oil cylinder upper oil cavitie 51.
Described switch control module 1 is regulated logical valve 11, relief valve 12 and electronic check valve 13 by pressure and is formed, input end, the output terminal that pressure is regulated logical valve 11 is respectively working connection input end C, the output terminal of switch control module 1, is connected with control end with the output terminal that pressure is regulated logical valve 11 respectively after relief valve 12 and electronic check valve 13 parallel connections.Wherein pressure adjusting logical valve 11 has the pressure regulatory function, by being engaged in input end C control output certain working pressure with relief valve 12 and electronic check valve 13.
Described decline control module 2 is made up of decline oil-feed logical valve 21, oil return logical valve 22, electromagnetic direction valve 23, one-way valve 24 and attached non-return electronic check valve 25, and the input end of decline oil-feed logical valve 21 and output terminal are respectively the working connection input end A and the output terminal D of decline control module 1; The input end of oil return logical valve 22 is connected with decline oil-feed logical valve 21 output terminals, and output terminal is the oil revolving end E of decline control module 2, and control end is connected with rising synchronization control oil circuit 9; The input end of electromagnetic direction valve 23 is the control oil channel input end I of decline control module 2, and an output terminal of electromagnetic direction valve 23 is connected with the control end of decline oil-feed logical valve 21, and another output terminal is the control oil channel oil revolving end K of decline control module 22; The input end of attached non-return electronic check valve 25 connects quick decline oil circuit, and its output terminal is connected with the output terminal D of working connection; The input end of one-way valve 24 is connected with the output terminal of working connection, and output terminal is connected the input end A of working connection.Decline oil-feed logical valve 21 cooperates the unlatching of control generation down maneuver oil circuit and closes with electromagnetic direction valve 23 makes oil cylinder 5 pistons produce corresponding down maneuver.Oil return logical valve 22 cooperates rising control module 3, and when needs produced vertical motion, the hydraulic oil of oil cylinder upper oil cavitie 51 returned oil sump tank T by oil return logical valve 22.Attached non-return electronic check valve 25 can produce quick decline when being communicated with.
Described rising control module 3 is made up of rising oil-feed logical valve 31, electromagnetic direction valve 32 and shuttle valve 33, the input end of rising oil-feed logical valve 31 is the working connection input end B of rising control module 3, the input end of electromagnetic direction valve 32 is the control oil channel input end I of rising control module, one output terminal of electromagnetic direction valve is connected with the control end and the rising synchronization control oil circuit 9 of rising oil-feed logical valve 31, and another output terminal is the control oil channel oil revolving end K of rising control module; Shuttle valve 33 is connected between the control end and output terminal of rising oil-feed logical valve 31.Rising oil-feed logical valve 31 cooperates control to produce down, and the switching of vertical motion oil circuit makes oil cylinder 5 pistons produce corresponding vertical motion with electromagnetic direction valve 32.
Described oil return control module 4 is a sequence valve, and its control end is connected with oil cylinder upper oil cavitie 51.Its major function is control oil return speed and the certain oil pressure that keeps oil cylinder lower oil cavitie 52.
For the ease of pressurized oil system is controlled and monitored, be connected with pressure gauge PG at the output terminal of one-way valve 6.
The working principle of the pressurized oil system of cutter is as follows:
1, during the cutter original state, oil pump PUMP is input to the input end that pressure is regulated logical valve 11, decline oil-feed logical valve 21 and rising oil-feed logical valve 31 with hydraulic oil through one-way valve 6, and hydraulic oil also is input to the input end of electromagnetic direction valve 23,32 through one-way valve 7 simultaneously.When electronic check valve cuts off the power supply 13 the time, hydraulic oil directly is back among the cooler COOLER behind electronic check valve 13, can not cooperate relief valve 12 to produce pressure, then pressure is regulated logical valve 11 connections, and hydraulic oil is regulated logical valve 11 through pressure and directly is back to cooler COOLER.After electronic check valve 13 energisings, oil circuit through electronic check valve 13 is closed, cooperate relief valve 12, regulate logical valve 11 input ends at pressure and produce corresponding work pressure, that is to say that the input end at decline oil-feed logical valve 21 and rising oil-feed logical valve 31 produces working pressure simultaneously.But this moment is because electromagnetic direction valve 23,32 outages, its output terminal is communicated with the control end of decline oil-feed logical valve 21 and rising oil-feed logical valve 31 respectively, produces pressure at control end and makes decline oil-feed logical valve 21 and rising oil-feed logical valve 31 be in closed condition.
When 2, cutter need produce down maneuver, electromagnetic direction valve 32 outages, rising oil-feed logical valve 31 is still closed.And electromagnetic direction valve 23 energisings, this moment, electromagnetic direction valve 23 was connected with control oil channel oil revolving end K, hydraulic oil is back to oil sump tank T, promptly be loaded into the pressure removal of decline oil-feed logical valve 21 control ends originally, decline oil-feed logical valve 21 is communicated with under the oil pressure of input end A, hydraulic oil flow into oil cylinder upper oil cavitie 51 through output terminal D, and the piston of driving oil cylinder 5 moves downward, and the hydraulic oil of oil cylinder lower oil cavitie 52 refluxes simultaneously.When cutter needs to descend fast, electronic check valve 25 energisings of attached check are communicated with, then the hydraulic oil of oil cylinder lower oil cavitie 52 backflows can be back to the output terminal D of decline oil-feed logical valve 21 through the electronic check valve 25 of attached check, enters into oil cylinder upper oil cavitie 51, thereby has accelerated the rate of descent of cutter.When cutter need descend and produce high severing power at a slow speed, electronic check valve 25 power-failure closes of attached check, at this moment the hydraulic oil of oil cylinder lower oil cavitie 52 is back to oil sump tank T behind sequence valve 4.Because the control end of sequence valve 4 is connected with oil cylinder upper oil cavitie 51, i.e. the connection of sequence valve 4 is controlled by the oil pressure of oil cylinder upper oil cavitie 51, just is communicated with when oil pressure reaches setting pressure.The rate of descent of cutter of so just can slowing down produces high severing power.When oil cylinder 5 pistons ran to the qualification position, piston can not continue to descend, and the hydraulic oil that then continues to flow into decline oil-feed logical valve 21 can be back to input end A by one-way valve 24.
When 3, cutter need produce vertical motion, electromagnetic direction valve 23 outages, decline oil-feed logical valve 21 is closed.And electromagnetic direction valve 32 energisings are identical during with down maneuver, and rising oil-feed logical valve 31 and oil return logical valve 22 are communicated with, and hydraulic oil enters into oil cylinder lower oil cavitie 52 by rising oil-feed logical valve 31 output terminal F, and the piston of driving oil cylinder 5 moves upward.The hydraulic oil of oil cylinder upper oil cavitie 51 is back to oil sump tank T through oil return logical valve 22.
4, after cutter cuts out, oil pump PUMP closes, not to the pressurized oil system fuel feeding, electronic check valve 13, electromagnetic direction valve 23,32 also cut off the power supply, at this moment, shuttle valve 23 has been communicated with the control end of oil cylinder lower oil cavitie 52 and rising oil-feed logical valve 31, make rising oil-feed logical valve 31 the control end pressurized and it is closed, prevent electromagnetic direction valve 32 outage after, rising oil-feed logical valve 31 control ends pressure out of hand, the hydraulic oil that causes oil cylinder lower oil cavitie 52 is through 31 oil returns of rising oil-feed logical valve, and piston descends.
Claims (6)
1. the pressurized oil system of cutter is characterized in that: comprise switch control module (1), decline control module (2), rising control module (3), oil return control module (4) and oil cylinder (5), its oil circuit connects can be divided into working connection and control oil channel;
Working connection is: oil pump (PUMP) is connected with the working connection input end (C, A, B) of switch control module (1), decline control module (2), rising control module (3) through one-way valve (6); The output terminal of switch control module (1) is connected with cooler (COOLER); The output terminal (D) of decline control module (2) is connected with the upper oil cavitie (51) of oil cylinder (5), and oil revolving end (E) is connected with oil sump tank (T), and the oil circuit that descends fast is connected with oil cylinder lower oil cavitie (52); The output terminal (F) of rising control module (3) is connected with oil cylinder lower oil cavitie (52); Oil return control module (4) input end (G) is connected with oil cylinder lower oil cavitie (52), and output terminal (H) is connected with oil sump tank (T);
Control oil channel is: the control oil channel input end (I, J) of decline control module (2), rising control module (3) is connected with oil pump (PUMP) and is connected with oil cylinder upper oil cavitie (51) through one-way valve (8) through one-way valve (7); The control oil channel oil revolving end (K) of decline control module (2), rising control module (3) is connected with oil sump tank (T); Be connected with rising synchronization control oil circuit (9) between decline control module (2) and the rising control module (3); The control end (L) of oil return control module (4) is connected with oil cylinder upper oil cavitie (51).
2. the pressurized oil system of cutter according to claim 1, it is characterized in that: described switch control module (1) is regulated logical valve (11), relief valve (12) and electronic check valve (13) by pressure and is formed, input end, the output terminal that pressure is regulated logical valve (11) is respectively working connection input end (C), the output terminal of switch control module (1), is connected with control end with the output terminal of pressure adjusting logical valve (11) respectively after relief valve (12) and electronic check valve (13) parallel connection.
3. the pressurized oil system of cutter according to claim 1, it is characterized in that: described decline control module (2) is made up of decline oil-feed logical valve (21), oil return logical valve (22), electromagnetic direction valve (23), one-way valve (24) and attached non-return electronic check valve (25), and the input end of decline oil-feed logical valve (21) and output terminal are respectively the working connection input end (A) and the output terminal (D) of decline control module (1); The input end of oil return logical valve (22) is connected with decline oil-feed logical valve (21) output terminal, and output terminal is the oil revolving end (E) of decline control module (2), and control end is connected with rising synchronization control oil circuit (9); The input end of electromagnetic direction valve (23) is the control oil channel input end (I) of decline control module (2), one output terminal of electromagnetic direction valve (23) is connected with the control end of decline oil-feed logical valve (21), and another output terminal is the control oil channel oil revolving end (K) of decline control module (22); The input end of attached non-return electronic check valve (25) connects quick decline oil circuit, and its output terminal is connected with the output terminal (D) of working connection; The input end of one-way valve (24) is connected with the output terminal of working connection, and output terminal is connected the input end (A) of working connection.
4. the pressurized oil system of cutter according to claim 1, it is characterized in that: described rising control module (3) is by rising oil-feed logical valve (31), electromagnetic direction valve (32) and shuttle valve (33) are formed, the input end of rising oil-feed logical valve (31) is the working connection input end (B) of rising control module (3), the input end of electromagnetic direction valve (32) is the control oil channel input end (I) of rising control module, one output terminal of electromagnetic direction valve is connected with the control end and the rising synchronization control oil circuit (9) of rising oil-feed logical valve (31), and another output terminal is the control oil channel oil revolving end (K) of rising control module; Shuttle valve (33) is connected between the control end and output terminal of rising oil-feed logical valve (31).
5. the pressurized oil system of cutter according to claim 1 is characterized in that: oil return control module (4) is sequence valve, and its control end is connected with the oil cylinder upper oil cavitie.
6. the pressurized oil system of cutter according to claim 1 is characterized in that: have pressure gauge (PG) to be connected the output terminal of one-way valve (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200520068148 CN2856537Y (en) | 2005-11-21 | 2005-11-21 | Oil pressure system of cut-off machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200520068148 CN2856537Y (en) | 2005-11-21 | 2005-11-21 | Oil pressure system of cut-off machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2856537Y true CN2856537Y (en) | 2007-01-10 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200520068148 Expired - Fee Related CN2856537Y (en) | 2005-11-21 | 2005-11-21 | Oil pressure system of cut-off machine |
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| CN (1) | CN2856537Y (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103433958A (en) * | 2013-08-19 | 2013-12-11 | 江苏通用科技股份有限公司 | Hydraulic cutting system of cutting machine |
| CN105058456A (en) * | 2015-09-05 | 2015-11-18 | 衢州台威精工机械有限公司 | High-speed cross beam type hydraulic pressure cutting machine with front and back moving function |
| CN105234993A (en) * | 2015-09-05 | 2016-01-13 | 衢州台威精工机械有限公司 | High-speed cross beam type hydraulic cutter |
-
2005
- 2005-11-21 CN CN 200520068148 patent/CN2856537Y/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103433958A (en) * | 2013-08-19 | 2013-12-11 | 江苏通用科技股份有限公司 | Hydraulic cutting system of cutting machine |
| CN103433958B (en) * | 2013-08-19 | 2015-09-23 | 江苏通用科技股份有限公司 | Cutting machine cut hydraulic system |
| CN105058456A (en) * | 2015-09-05 | 2015-11-18 | 衢州台威精工机械有限公司 | High-speed cross beam type hydraulic pressure cutting machine with front and back moving function |
| CN105234993A (en) * | 2015-09-05 | 2016-01-13 | 衢州台威精工机械有限公司 | High-speed cross beam type hydraulic cutter |
| CN105058456B (en) * | 2015-09-05 | 2017-04-19 | 衢州台威精工机械有限公司 | High-speed cross beam type hydraulic pressure cutting machine with front and back moving function |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |