CN203488468U - Duplex-pump hydraulic system of hydraulic lathe - Google Patents
Duplex-pump hydraulic system of hydraulic lathe Download PDFInfo
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- CN203488468U CN203488468U CN201320549600.4U CN201320549600U CN203488468U CN 203488468 U CN203488468 U CN 203488468U CN 201320549600 U CN201320549600 U CN 201320549600U CN 203488468 U CN203488468 U CN 203488468U
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- oil cylinder
- hydraulic
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- control valve
- duplex pump
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Abstract
The utility model relates to an automatic hydraulic lathe, in particular to a duplex-pump hydraulic system of a hydraulic lathe. The duplex-pump hydraulic system comprises an oil tank, a driving device, a lathe executing device and a control device, wherein the driving device is connected with the oil tank through a pipeline; the lathe executing device is connected with the driving device; the control device is positioned between the driving device and the executing device; the driving device comprises a hydraulic motor and a duplex pump connected with the hydraulic motor; the two inlets of the duplex pump are connected with the oil tank respectively through pipelines; the two outlets of the duplex pump are partitioned into a plurality of branch loops; each loop is provided with at least one control device; each control device is connected with the executing device of each loop respectively. The duplex pump can be used for supplying pressure and flow to two hydraulic loops at the same time under the driving action of the hydraulic motor, and the control devices consisting of various valves are arranged on the two hydraulic loops, thereby realizing automatic and effective control on each oil cylinder and avoiding the phenomenon of rush for oil among hydraulic executing elements of a single pump.
Description
Technical field
The utility model relates to a kind of automation hydraulic lathe, relates in particular to a kind of duplex pump hydraulic system of hydraulic lathe.
Background technique
Hydraulic lathe is the lathe that adopts hydraulic pressure feed, can according to the order of appointment, move by the different knife rest of hydraulic oil cylinder driving, can realize the automatic processing of workpiece.2～6 independent cutter frames can be housed on hydraulic lathe, and each independent cutter frame can be equipped with much knives tool, and part can be realized solid of rotation curved surface, groove, bore hole, boring, reaming, attack the complicated procedures of forming such as dumpling screw thread, threading after clamped one time.Hydraulic system is the vitals in hydraulic lathe, is to take fluid as working medium, utilizes the pressure energy of fluid the package unit of working by the operating hydraulically operated actuator of the annexes such as control valve.
The automaticity high concentration of current hydraulic lathe, the simplex pump hydraulic system of original hydraulic lathe can not meet the increasing required hydraulic power requirement of executive component on hydraulic lathe far away, and moving the oily phenomenon of robbing causing simultaneously, numerous executive components frequently occur, cause the stability of a system poor, cause the product processing to occur numerous defective productss such as surface roughness is defective, size is not in place, thereby had a strong impact on the processing stability of original hydraulic lathe.In addition because hydraulic element are for shortage of oil, the working life that also can significantly reduce hydraulic element.Although can solve the unsettled phenomenon of fuel feeding, increase again undoubtedly the setting of hydraulic electric motor, improve cost and the whole assembly space of hydraulic lathe, be unfavorable for the reasonable utilization in space and adopt a plurality of simplex pumps to combine.
Model utility content
The purpose of this utility model is to overcome in prior art simplex pump hydraulic system to cause the unsettled technological deficiency of processed product for shortage of oil, and the duplex pump hydraulic system of a kind of reliable, good processing stability, automaticity is high, cost is low hydraulic lathe is provided.
The technological scheme that realizes the utility model object is: a kind of duplex pump hydraulic system of hydraulic lathe, comprise fuel tank and the drive unit being connected with fuel tank by pipeline, the lathe actuating device being connected with drive unit and the control gear between drive unit and actuating device; Described drive unit comprises hydraulic electric motor and the duplex pump being connected with hydraulic electric motor, described duplex pump two imports are connected with fuel tank by pipeline respectively, two outlets are divided into many duplexures, on every loop, be equipped with at least one control gear, described control gear is connected with the actuating device in this loop respectively.
Technique scheme, described actuating device is at least one oil cylinder that is arranged on every loop end, described loop has five, described oil cylinder comprises the angling cylinder of the first loop end, the first middle slide plate oil cylinder of second servo loop end and the first upper slide oil cylinder, the upper material oil cylinder of tertiary circuit end, the second middle slide plate oil cylinder of the 4th loop end and the second upper slide oil cylinder of the 5th loop end.
Technique scheme, described control gear is to be arranged on the control valve on many loops between oil cylinder and duplex pump, described control valve comprises the first one-way valve and the second one-way valve that is positioned at duplex pump two outlet ports, be positioned at each duplexure on and the solenoid directional control valve that is connected with each loop oil cylinder; Between described double pump and the first one-way valve and the second one-way valve, be also provided with filter.
Technique scheme, described the first one-way valve end is connected with second servo loop with the first loop respectively; Described the first loop is connected with angling cylinder by the first solenoid directional control valve; Described second servo loop is connected with the first upper slide oil cylinder with the first middle slide plate oil cylinder by the second solenoid directional control valve.
Technique scheme, described the second one-way valve end is connected with its excess-three bar loop respectively, described tertiary circuit is connected with upper material oil cylinder by the 3rd solenoid directional control valve, described the 4th loop is connected with the second middle slide plate oil cylinder by the 4th solenoid directional control valve, and described the 5th loop is connected with the second upper slide oil cylinder by the 5th solenoid directional control valve.
Technique scheme, is also provided with the stacked compression release valve of controlling angling cylinder working pressure between the first solenoid directional control valve and the first one-way valve on described the first loop.
Technique scheme, is also respectively equipped with between described the first middle slide plate oil cylinder and the second solenoid directional control valve and between the second middle slide plate oil cylinder and the 4th solenoid directional control valve and controls the first series flow control valve and the second series flow control valve that in middle slide plate course of working, F.F. and work are entered.
Technique scheme, is also provided with the throttle valve of controlling material loading speed between material oil cylinder and the 3rd solenoid directional control valve on described tertiary circuit.
Technique scheme, described the first one-way valve and the second one-way valve installed position are also provided with pressure gauge and pressure meter switch.
Technique scheme, is also provided with draining valve and level meter on described fuel tank; Described duplex pump is provided with manual adjustment bolt.
Adopt after technique scheme, the utlity model has following positive effect:
(1) the utility model adopts duplex pump by can supply pressure and the flow of two oil hydraulic circuits under the driving of hydraulic electric motor simultaneously, and on two oil hydraulic circuits, is provided with the control gear that multiple valve forms, and can carry out automatically each oil cylinder, effectively control; Also can avoid adopting the generation of robbing oily phenomenon between each hydraulic actuator of simplex pump; (2) simultaneously due to the better integrated more hydraulic actuator that arranges of two oil hydraulic circuits, thereby improve automaticity and the processing stability of hydraulic lathe, guaranteed the quality of processing of product; (3) because two pump housings are combined as a whole, adopt a hydraulic electric motor can drive duplex pump work, brought into play the advantageous characteristic of common live axle duplex pump, greatly reduced the whole assembly space of hydraulic lathe, improved space availability ratio.
Accompanying drawing explanation
For content of the present utility model is more easily expressly understood, according to specific embodiment also by reference to the accompanying drawings, the utility model is described in further detail, wherein below
Fig. 1 is the utility model hydraulic system principle figure;
In figure 1, fuel tank; 11, draining valve; 12, level meter; 2, drive unit; 21, hydraulic electric motor; 22, duplex pump; 3, actuating device; 31, angling cylinder; 32, the first middle slide plate oil cylinder; 33, the first upper slide oil cylinder; 34, upper material oil cylinder; 35, the second middle slide plate oil cylinder; 36, the second upper slide oil cylinder; 4, control gear; 41, the first one-way valve; 42, the second one-way valve; 43, solenoid directional control valve; 43-1, the first solenoid directional control valve; 43-2, the second solenoid directional control valve; 43-3, the 3rd solenoid directional control valve; 43-4, the 4th solenoid directional control valve; 43-5, the 5th solenoid directional control valve; 44, stacked compression release valve; 45, the first series flow control valve; 46, the second series flow control valve; 47, throttle valve; 5, filter; 6, pressure gauge; 7, pressure meter switch.
Embodiment
(embodiment 1)
See Fig. 1, the utlity model has fuel tank 1, fuel tank 1 is provided with draining valve 11 and level meter 12; The drive unit 2 being connected with fuel tank 1 by pipeline, the lathe actuating device 3 being connected with drive unit 2 and the control gear 4 between drive unit 2 and actuating device 3; Drive unit 2 comprises hydraulic electric motor 21 and the duplex pump 22 being connected with hydraulic electric motor 21,22 liang of imports of duplex pump are connected with fuel tank 1 by pipeline respectively, two outlets are divided into many duplexures, on every loop, be equipped with at least one control gear 4, control gear 4 is connected with the actuating device 3 in this loop respectively.
The utility model actuating device 3 is for being arranged at least one oil cylinder of every loop end, loop has five, oil cylinder comprises the angling cylinder 31 of the first loop end, the first middle slide plate oil cylinder 32 of second servo loop end and the first upper slide oil cylinder 33, the second middle slide plate oil cylinder 35 of upper material oil cylinder 34, the four loop ends of tertiary circuit end and the second upper slide oil cylinder 36 of the 5th loop end.
The utility model control gear 4 is for being arranged on the control valve on many loops between oil cylinder and duplex pump 22, control valve comprises the first one-way valve 41 and the second one-way valve 42 that is positioned at 22 liang of outlet ports of duplex pump, be positioned at each duplexure on and the solenoid directional control valve 43 that is connected with each loop oil cylinder; Between double pump 22 and the first one-way valve 41 and the second one-way valve 42, be also provided with filter 5.The first one-way valve 41 ends are connected with second servo loop with the first loop respectively; The first loop is connected with angling cylinder 31 by the first solenoid directional control valve 43-1; Second servo loop is connected with the first upper slide oil cylinder 33 with the first middle slide plate oil cylinder 32 by the second solenoid directional control valve 43-2.The second one-way valve 42 ends are connected with its excess-three bar loop respectively, tertiary circuit is connected with upper material oil cylinder 34 by the 3rd solenoid directional control valve 43-3, the 4th loop is connected with the second middle slide plate oil cylinder 35 by the 4th solenoid directional control valve 43-4, and the 5th loop is connected with the second upper slide oil cylinder 36 by the 5th solenoid directional control valve 43-5.
Preferably; On the first loop, between the first solenoid directional control valve 43-1 and the first one-way valve 41, be also provided with the stacked compression release valve 44 of controlling angling cylinder 31 working pressure sizes.Between the first middle slide plate oil cylinder 32 and the second solenoid directional control valve 43-2 and between the second middle slide plate oil cylinder 35 and the 4th solenoid directional control valve 43-4, be also respectively equipped with and control the first series flow control valve 45 and the second series flow control valve 46 that in middle slide plate course of working, F.F. and work are entered.On tertiary circuit, between material oil cylinder 34 and the 3rd solenoid directional control valve 43-3, be also provided with the throttle valve 47 of controlling material loading speed, can regulate according to actual needs material loading speed.
Preferably; The first one-way valve 41 and the second one-way valve 42 installed positions are also provided with pressure gauge 6 and pressure meter switch 7, can be by read the pressure of one-way valve installation place two systems and the real-time pressure value of angling cylinder 31 working pressures after the switching of pressure meter switch 7 handles on pressure gauge 6.
Preferably, on duplex pump 22, be also provided with manual adjustment bolt, thereby the delivery pressure of duplex pump 22 and uninterrupted can be adjusted bolt by the flow on self pump housing, pressure and carry out manual tune, are convenient to the control to whole piece system, thereby the stability of the system of assurance.
Working principle of the present utility model is: when the utility model is used, duplex pump 22 can be supplied pressure and the flow of two oil hydraulic circuits under the driving of hydraulic electric motor 21 simultaneously, on two oil hydraulic circuits and duplexure, be provided with one-way valve, reduction valve, electromagnetic switch, series flow control valve equal controller, angling cylinder, middle slide plate oil cylinder, upper slide oil cylinder, the actuating devices such as upper material oil cylinder, can each action in lathe be controlled respectively and be carried out, compare and only have the simplex pump of an oil hydraulic circuit to reduce the generation of robbing oily phenomenon between each hydraulic actuator, while is due to the better integrated more hydraulic actuator that arranges of two oil hydraulic circuits, thereby automaticity and the processing stability of hydraulic lathe have been improved, again owing to adopting duplex pump, two pump housings are combined as a whole, adopt a hydraulic electric motor to drive, greatly reduced the whole assembly space of hydraulic lathe, effectively improve space availability ratio.
Above-described specific embodiment; the purpose of this utility model, technological scheme and beneficial effect are further described; institute is understood that; the foregoing is only specific embodiment of the utility model; be not limited to the utility model; all within spirit of the present utility model and principle, any modification of making, be equal to replacement, improvement etc., within all should being included in protection domain of the present utility model.
Claims (10)
1. the duplex pump hydraulic system of a hydraulic lathe, comprise fuel tank (1) and the drive unit (2) being connected with fuel tank (1) by pipeline, the lathe actuating device (3) being connected with drive unit (2) and be positioned at drive unit (2) and actuating device (3) between control gear (4); It is characterized in that: described drive unit (2) comprises hydraulic electric motor (21) and the duplex pump (22) being connected with hydraulic electric motor (21), described duplex pump (22) two imports are connected with fuel tank (1) by pipeline respectively, two outlets are divided into many duplexures, on every loop, be equipped with at least one control gear (4), described control gear (4) is connected with the actuating device (3) in this loop respectively.
2. the duplex pump hydraulic system of hydraulic lathe according to claim 1, it is characterized in that: described actuating device (3) is for being arranged at least one oil cylinder of every loop end, described loop has five, described oil cylinder comprises the angling cylinder (31) of the first loop end, the first middle slide plate oil cylinder (32) of second servo loop end and the first upper slide oil cylinder (33), the upper material oil cylinder (34) of tertiary circuit end, the second middle slide plate oil cylinder (35) of the 4th loop end and the second upper slide oil cylinder (36) of the 5th loop end.
3. the duplex pump hydraulic system of hydraulic lathe according to claim 2, it is characterized in that: described control gear (4) is for being arranged on the control valve on many loops between oil cylinder and duplex pump (22), described control valve comprises the first one-way valve (41) and the second one-way valve (42) that is positioned at duplex pump (22) two outlet ports, be positioned at each duplexure on and the solenoid directional control valve (43) that is connected with each loop oil cylinder; Between described double pump (22) and the first one-way valve (41) and the second one-way valve (42), be also provided with filter (5).
4. the duplex pump hydraulic system of hydraulic lathe according to claim 3, is characterized in that: described the first one-way valve (41) end is connected with second servo loop with the first loop respectively; Described the first loop is connected with angling cylinder (31) by the first solenoid directional control valve (43-1); Described second servo loop is connected with the first upper slide oil cylinder (33) with the first middle slide plate oil cylinder (32) by the second solenoid directional control valve (43-2).
5. the duplex pump hydraulic system of hydraulic lathe according to claim 4, it is characterized in that: described the second one-way valve (42) end is connected with its excess-three bar loop respectively, described tertiary circuit is connected with upper material oil cylinder (34) by the 3rd solenoid directional control valve (43-3), described the 4th loop is connected with the second middle slide plate oil cylinder (35) by the 4th solenoid directional control valve (43-4), and described the 5th loop is connected with the second upper slide oil cylinder (36) by the 5th solenoid directional control valve (43-5).
6. the duplex pump hydraulic system of hydraulic lathe according to claim 3, is characterized in that: on described the first loop, between the first solenoid directional control valve (43-1) and the first one-way valve (41), be also provided with the stacked compression release valve (44) of controlling angling cylinder (31) working pressure.
7. the duplex pump hydraulic system of hydraulic lathe according to claim 5, is characterized in that: between described the first middle slide plate oil cylinder (32) and the second solenoid directional control valve (43-2) and between the second middle slide plate oil cylinder (35) and the 4th solenoid directional control valve (43-4), be also respectively equipped with and control the first series flow control valve (45) and the second series flow control valve (46) that in middle slide plate course of working, F.F. and work are entered.
8. the duplex pump hydraulic system of hydraulic lathe according to claim 5, is characterized in that: between material oil cylinder on described tertiary circuit (34) and the 3rd solenoid directional control valve (43-3), be also provided with the throttle valve (47) of controlling material loading speed.
9. according to the duplex pump hydraulic system of the hydraulic lathe described in claim 3～8 any one claim, it is characterized in that: described the first one-way valve (41) and the second one-way valve (42) installed position are also provided with pressure gauge (6) and pressure meter switch (7).
10. according to the duplex pump hydraulic system of the hydraulic lathe described in claim 3～8 any one claim, it is characterized in that: on described fuel tank (1), be also provided with draining valve (11) and level meter (12); Described duplex pump (22) is provided with manual adjustment bolt.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320549600.4U CN203488468U (en) | 2013-09-04 | 2013-09-04 | Duplex-pump hydraulic system of hydraulic lathe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320549600.4U CN203488468U (en) | 2013-09-04 | 2013-09-04 | Duplex-pump hydraulic system of hydraulic lathe |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203488468U true CN203488468U (en) | 2014-03-19 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320549600.4U Expired - Lifetime CN203488468U (en) | 2013-09-04 | 2013-09-04 | Duplex-pump hydraulic system of hydraulic lathe |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203488468U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105465079A (en) * | 2015-12-29 | 2016-04-06 | 博创智能装备股份有限公司 | Brake control oil way |
| CN105673593A (en) * | 2016-03-03 | 2016-06-15 | 芜湖日升重型机床有限公司 | Two-time feeding combined machine tool power sliding platform hydraulic system |
| CN110081035A (en) * | 2019-04-29 | 2019-08-02 | 陕西科技大学 | A kind of numerically controlled lathe hydraulic transmission control system |
| CN113048110A (en) * | 2021-04-19 | 2021-06-29 | 无锡贝斯特精机股份有限公司 | Clamp hydraulic system for boring interrupted holes |
-
2013
- 2013-09-04 CN CN201320549600.4U patent/CN203488468U/en not_active Expired - Lifetime
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105465079A (en) * | 2015-12-29 | 2016-04-06 | 博创智能装备股份有限公司 | Brake control oil way |
| CN105673593A (en) * | 2016-03-03 | 2016-06-15 | 芜湖日升重型机床有限公司 | Two-time feeding combined machine tool power sliding platform hydraulic system |
| CN110081035A (en) * | 2019-04-29 | 2019-08-02 | 陕西科技大学 | A kind of numerically controlled lathe hydraulic transmission control system |
| CN113048110A (en) * | 2021-04-19 | 2021-06-29 | 无锡贝斯特精机股份有限公司 | Clamp hydraulic system for boring interrupted holes |
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Legal Events
| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address | ||
| CP03 | Change of name, title or address |
Address after: No.29, Xinshi Road, Xinchang Industrial Park, Shaoxing City, Zhejiang Province 312500 Patentee after: Zhejiang tuoman Intelligent Technology Co.,Ltd. Address before: 312500 No. 29, Xinshi Road, industrial park, Xinchang County, Shaoxing City, Zhejiang Province Patentee before: ZHEJIANG TOMAN PRECISION MACHINERY Co.,Ltd. |
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| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20140319 |