CN203272294U - Flexible adjustable machine tool circuit - Google Patents
Flexible adjustable machine tool circuit Download PDFInfo
- Publication number
- CN203272294U CN203272294U CN 201320259180 CN201320259180U CN203272294U CN 203272294 U CN203272294 U CN 203272294U CN 201320259180 CN201320259180 CN 201320259180 CN 201320259180 U CN201320259180 U CN 201320259180U CN 203272294 U CN203272294 U CN 203272294U
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- oil hydraulic
- selector valve
- hydraulic circuit
- valve
- pressure
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Abstract
The utility model provides a flexible adjustable machine tool circuit comprising a variable pump connected with an oil tank. The variable pump is respectively in parallel connection with a first hydraulic circuit and a second hydraulic circuit. The first hydraulic circuit comprises a first reversing valve connected with the variable pump, a third reversing valve connected with the first reversing valve and a first hydraulic cylinder connected with the third reversing valve. The second hydraulic circuit comprises a second reversing valve connected with the variable pump, a fourth reversing valve connected with the second reversing valve and a second hydraulic cylinder connected with the fourth reversing valve. The second hydraulic circuit is connected with a first pressure regulating circuit which comprises the variable pump and a first overflow valve in parallel connection with the variable pump. The flexible adjustable machine tool circuit is reasonable in design, compact in structure, large in flow, high in precision, flexible and adjustable, and convenient to control.
Description
Technical field
The utility model relates to Hydraulic Field, is specifically related to flexible adjustable machine-tool loop.
Background technique
At present, in the lathe loop, the various modulating valve of normal employing are regulated control, this method can reduce the pressure reduction in the lathe loop, flow in raising lathe loop because the lathe loop design of prior art is reasonable not, is regulated underaction, working effect is not good, often there was a mechanical failure, because lathe loop maintenance expenses is higher, so economic benefit is not high.Because the shortcoming of above-mentioned instrument, it does not reach perfection inventor's thoughts, then exhausting the concentrated research of its intelligence overcomes, be engaged in this industry working experience for many years with it, and then develop flexible adjustable machine-tool loop, utilize simple design, can make the utility model reach easy to operate and flexible adjustable effect.
Summary of the invention
Technical problem to be solved in the utility model is to provide flexible adjustable machine-tool loop, and is reasonable in design, compact structure, and flow is large, and precision is high, and is adjustable flexibly, and it is convenient to control.
for solving above-mentioned existing technical problem, the utility model adopts following scheme: adjustable machine-tool loop flexibly, comprise the variable displacement pump that is connected with fuel tank, on described variable displacement pump respectively parallel connection be provided with the first oil hydraulic circuit and the second oil hydraulic circuit, described the first oil hydraulic circuit comprises the first selector valve that is connected with variable displacement pump, the 3rd selector valve that is connected with the first selector valve, the first oil hydraulic cylinder that is connected with the 3rd selector valve, described the second oil hydraulic circuit comprises the second selector valve that is connected with variable displacement pump, the 4th selector valve that is connected with the second selector valve, the second oil hydraulic cylinder that is connected with the 4th selector valve, be connected with the first pressure-control circuit on described the second oil hydraulic circuit, described the first pressure-control circuit comprises variable displacement pump and the first relief valve that is arranged in parallel with variable displacement pump.
As preferably, be provided with the first one-way valve between described the first selector valve and the 3rd selector valve, be provided with the second one-way valve between described the second selector valve and the 4th selector valve.By adopting this set, can prevent the backflow of oil.
As preferably, be connected with respectively the second pressure-control circuit on described the first oil hydraulic circuit and the second oil hydraulic circuit, described the first oil hydraulic circuit is connected with the second pressure-control circuit through the first flow valve, and described the second oil hydraulic circuit is connected with the second pressure-control circuit through the second Flow valve.By adopting this set, can regulate and stable system in working pressure.
As preferably, described the second pressure-control circuit comprises the oil hydraulic pump that is connected with oil cylinder and the second relief valve that is arranged in parallel with oil hydraulic pump.By adopting this set, when oil hydraulic pump is operated in set pressure always, can regulate the also working pressure of stabilizing solution press pump by relief valve, relief valve plays the effect of safety valve.
Beneficial effect:
The utility model adopts technique scheme that flexible adjustable machine-tool loop is provided, and has made up the deficiencies in the prior art, has extended working life, has reduced maintenance cost, improved economic benefit, reasonable in design, compact structure, flow is large, precision is high, and is adjustable flexibly, and it is convenient to control.
Description of drawings
Fig. 1 is structural representation of the present utility model.
Embodiment
as shown in Figure 1, flexible adjustable machine-tool loop, comprise the variable displacement pump 2 that is connected with fuel tank 1, on described variable displacement pump 2 respectively parallel connection be provided with the first oil hydraulic circuit and the second oil hydraulic circuit, described the first oil hydraulic circuit comprises the first selector valve 3 that is connected with variable displacement pump 2, the 3rd selector valve 4 that is connected with the first selector valve 3, the first oil hydraulic cylinder 5 that is connected with the 3rd selector valve 4, described the second oil hydraulic circuit comprises the second selector valve 6 that is connected with variable displacement pump 2, the 4th selector valve 7 that is connected with the second selector valve 6, the second oil hydraulic cylinder 8 that is connected with the 4th selector valve 7, be connected with the first pressure-control circuit on described the second oil hydraulic circuit, described the first pressure-control circuit comprises variable displacement pump 2 and the first relief valve 9 that is arranged in parallel with variable displacement pump 2.Be provided with the first one-way valve 10 between described the first selector valve 3 and the 3rd selector valve 4, be provided with the second one-way valve 11 between described the second selector valve 6 and the 4th selector valve 7.Be connected with respectively the second pressure-control circuit on described the first oil hydraulic circuit and the second oil hydraulic circuit, described the first oil hydraulic circuit is connected with the second pressure-control circuit through first flow valve 12, and described the second oil hydraulic circuit is connected with the second pressure-control circuit through the second Flow valve 13.Described the second pressure-control circuit comprises the oil hydraulic pump 14 that is connected with oil cylinder 1 and the second relief valve 15 that is arranged in parallel with oil hydraulic pump 14.
During real work, when starting working, the first selector valve 3, the second selector valve 6, the 3rd selector valve 4 and the 4th selector valve 7 are switched on simultaneously, the pressure oil of oil hydraulic pump 2 outputs enters the left chamber of the first oil hydraulic cylinder 5 and the second oil hydraulic cylinder 8 through one- way valve 12 and 13, this moment, two oil pump feeds advanced each piston fast.After the 3rd selector valve 4 and the 4th selector valve 7 outages, convert working feed to by F.F., one- way valve 12 and 13 is closed, and work is advanced required pressure oil and is supplied with by oil hydraulic pump 1.Realize oil-feed and the oil return process in whole loop, made up the deficiencies in the prior art, extended working life, reduced maintenance cost, improved economic benefit, reasonable in design, compact structure, precision is high, and is adjustable flexibly, and it is convenient to control.
Specific embodiment described herein is only to the explanation for example of the utility model spirit, the utility model person of ordinary skill in the field can make various modifications or replenishes or adopt similar mode to substitute described specific embodiment, but can't depart from spirit of the present utility model or surmount the defined scope of appended claims.
Claims (4)
1. flexible adjustable machine-tool loop, comprise the variable displacement pump (2) that is connected with fuel tank (1), it is characterized in that: on described variable displacement pump (2) respectively parallel connection be provided with the first oil hydraulic circuit and the second oil hydraulic circuit, described the first oil hydraulic circuit comprises the first selector valve (3) that is connected with variable displacement pump (2), the 3rd selector valve (4) that is connected with the first selector valve (3), the first oil hydraulic cylinder (5) that is connected with the 3rd selector valve (4), described the second oil hydraulic circuit comprises the second selector valve (6) that is connected with variable displacement pump (2), the 4th selector valve (7) that is connected with the second selector valve (6), the second oil hydraulic cylinder (8) that is connected with the 4th selector valve (7), be connected with the first pressure-control circuit on described the second oil hydraulic circuit, described the first pressure-control circuit comprises variable displacement pump (2) and the first relief valve (9) that is arranged in parallel with variable displacement pump (2).
2. flexible adjustable machine-tool according to claim 1 loop, it is characterized in that: be provided with the first one-way valve (10) between described the first selector valve (3) and the 3rd selector valve (4), be provided with the second one-way valve (11) between described the second selector valve (6) and the 4th selector valve (7).
3. flexible adjustable machine-tool according to claim 1 loop, it is characterized in that: be connected with respectively the second pressure-control circuit on described the first oil hydraulic circuit and the second oil hydraulic circuit, described the first oil hydraulic circuit is connected with the second pressure-control circuit through first flow valve (12), and described the second oil hydraulic circuit is connected with the second pressure-control circuit through the second Flow valve (13).
4. flexible adjustable machine-tool according to claim 1 loop, it is characterized in that: described the second pressure-control circuit comprises the oil hydraulic pump (14) that is connected with oil cylinder (1) and the second relief valve (15) that is arranged in parallel with oil hydraulic pump (14).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320259180 CN203272294U (en) | 2013-05-10 | 2013-05-10 | Flexible adjustable machine tool circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320259180 CN203272294U (en) | 2013-05-10 | 2013-05-10 | Flexible adjustable machine tool circuit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203272294U true CN203272294U (en) | 2013-11-06 |
Family
ID=49502717
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320259180 Expired - Fee Related CN203272294U (en) | 2013-05-10 | 2013-05-10 | Flexible adjustable machine tool circuit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203272294U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104088858A (en) * | 2014-07-06 | 2014-10-08 | 上海宏信设备工程有限公司 | Power supply and hydraulic redundancy thread self-locking axial force compensation system |
| CN104088835A (en) * | 2014-07-06 | 2014-10-08 | 上海宏信设备工程有限公司 | Combined type threaded self-locking hydraulic redundant steel supporting axial force compensation system |
| CN105673598A (en) * | 2016-03-03 | 2016-06-15 | 芜湖日升重型机床有限公司 | Driving circuit in multi-shaft automatic lathe hydraulic system |
-
2013
- 2013-05-10 CN CN 201320259180 patent/CN203272294U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104088858A (en) * | 2014-07-06 | 2014-10-08 | 上海宏信设备工程有限公司 | Power supply and hydraulic redundancy thread self-locking axial force compensation system |
| CN104088835A (en) * | 2014-07-06 | 2014-10-08 | 上海宏信设备工程有限公司 | Combined type threaded self-locking hydraulic redundant steel supporting axial force compensation system |
| CN104088835B (en) * | 2014-07-06 | 2016-05-18 | 上海宏信设备工程有限公司 | The hydraulic pressure redundancy steel axial force of the supports bucking-out system of Combined screw thread self-locking |
| CN104088858B (en) * | 2014-07-06 | 2016-05-18 | 上海宏信设备工程有限公司 | The screw thread self-locking profile shaft force compensating system of power supply and hydraulic pressure redundancy |
| CN105673598A (en) * | 2016-03-03 | 2016-06-15 | 芜湖日升重型机床有限公司 | Driving circuit in multi-shaft automatic lathe hydraulic system |
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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: 20131106 Termination date: 20140510 |