CN203906447U - Numerical control machine tool-based PLC (programmable logic controller) control hydraulic experiment table - Google Patents
Numerical control machine tool-based PLC (programmable logic controller) control hydraulic experiment table Download PDFInfo
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- CN203906447U CN203906447U CN201420063437.5U CN201420063437U CN203906447U CN 203906447 U CN203906447 U CN 203906447U CN 201420063437 U CN201420063437 U CN 201420063437U CN 203906447 U CN203906447 U CN 203906447U
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Abstract
The utility model discloses a numerical control machine tool-based PLC (programmable logic controller) control hydraulic experiment table and relates to a numerical control machine tool experiment table. According to the numerical control machine tool-based PLC control hydraulic experiment table disclosed by the utility model, by taking a numerical control machine tool with a hydraulic chuck clamping system as a body and utilizing a randomly equipped independent hydraulic station as a power platform, a brand-new drive loop of a hydraulic tailstock is designed, and the action of a hydraulic chuck and the motion of the hydraulic tailstock are controlled uniformly by a PLC. In order to conveniently test actual hydraulic control elements and meet the joint debugging experiments of students on electromechanical-hydraulic equipment, parts, such as a PLC control circuit and a pressure gage, are integrated to an independent experiment operating table. The experiment table has the advantages that on the premise that the normal operation of the hydraulic chuck clamping system of the numerical control machine tool is ensured, the potential of the traditional equipment is fully exploited; the cost is reduced; the larger experiment effect is achieved with less input.
Description
Technical field
The utility model relates to numerical control machine tool Laboratory Furniture, and specifically a kind of PLC based on numerical control machine tool controls Hydraulic Experimental Platform.
Background technique
Hydraulics is widely used in machine industry, and due to hydraulic system self, it is specially adapted in the automation equipment of mechanical-electrical-hydraulic integration.In the application of hydraulic transmission technology, due to leakage, the compressibility of driving medium and the variation of temperature etc. of hydraulic pressure components and parts, capital affects the normal work of hydraulic system, and whether Hydraulic Circuit Design is reasonable, is more related to the performance quality of whole hydraulic equipment.These problems, major part all needs to be solved by do experiment on Hydraulic Experimental Platform.Because the platform that Hydraulic Experimental Platform is exactly performance parameter, the index of quality etc. to hydraulic system and element thereof to be tested and test is that hydraulics is applied to the requisite equipment of producing.
In addition, in educational business, " hydraulic transmission and control technique " is also the important professional basic course that mechanical speciality must be learned, by testing at Hydraulic Experimental Platform, abstract hydraulics can be converted into out and out experimental phenomena, the design, installation, debugging and the maintenance knowledge that help students hydraulic pressure components and parts working mechanism and typical hydraulic transmission system, have very strong practicality.
In order to meet the demand of modern industrial technology and education experiment, develop multiple Hydraulic Experimental Platform both at home and abroad.Mainly contain:
1. the hydraulic test platform based on Virtual Instrument Technology
Integrate the virtual instrument technique of numerous technology such as hydraulics, mechanics of communication, sensing detection technology, Computer Control Technology, be applied to hydraulic test test and control system, there is significant mechanical-electrical-hydraulic integration feature, set up and change aspect the function of instrument and technical performance more flexibly, more economical.But this system is because its components and parts and working principle are virtual state, and intuitive is poor, can not replace the experiential function of true hydraulic pressure components and parts completely.
2. transparent type hydraulic test device
Transparent type hydraulic test device can make student get information about the internal structure of hydraulic element, and student can oneself build transparent hydraulic test loop, thereby gets information about the working condition of each hydraulic element and oil hydraulic circuit.In this experimental system, the hydraulic element such as selector valve, sequence valve adopt acrylic acid (class) resin to be made, thereby student can go to observe the situation such as the internal structure of hydraulic element and the evolution of spool very intuitively.But this experimental setup only can be demonstrated hydraulic pressure original paper structure and principle, and can not replace the product of factory's practicality completely, only for teaching.
3. the Hydraulic Experimental Platform of controlling based on PLC
Because Hydraulic Experimental Platform has widely and uses in hydraulic product detection, hydraulic system research and experimental teaching
On the way, therefore composition, the control system to Hydraulic Experimental Platform has higher flexible requirement, to adapt to different experimental teaching projects.Along with the development of computer technology, Power Electronic Technique etc., the PLC technology taking computer technology as core has also obtained increasing application in hydraulicdriven control.And the feature such as the functional reliability that programmable controller (PLC) has is high, antijamming capability is strong, flexibility good, programming is convenient, special selection and the control that adapts to the different experiments project on same Laboratory Furniture, more can give full play to student's subjective initiative, meet the needs of carrying out Making Innovation Experiments.
The Hydraulic Experimental Platform of controlling based on PLC of Some Domestic manufacturer production mainly contains two types at present: the one, and simulation type multifunctional hydraulic experiment bench, such Hydraulic Experimental Platform is used for imparting knowledge to students more, only possesses common demo function and basic experiential function; The 2nd, type of production Hydraulic Experimental Platform, such Hydraulic Experimental Platform can detect the functions such as the design rationality of hydraulic parts (as oil hydraulic cylinder, hydraulic control valve etc.) performance and oil hydraulic circuit targetedly, though can be used for teaching, practice scope is narrower, and expensive.The product that above-mentioned two kinds of Laboratory Furniturees are made absolute construction more offers user.
Summary of the invention
In order to overcome the shortcoming of above-mentioned prior art, the utility model provides a kind of PLC based on numerical control machine tool to control Hydraulic Experimental Platform, is convenient to test actual hydraulic control component and meets student to uniting and adjustment experiment mechanical, electrical, liquid equipment.
The utility model is realized with following technological scheme: a kind of PLC based on numerical control machine tool controls Hydraulic Experimental Platform, comprises hydraulic power unit and operating table, and valve group is installed on described hydraulic power unit, and described valve group comprises ⅠHe Fa road, valve road II; Described Fa road I comprises two groups of hydrovalves installing side by side, two groups of hydrovalves are all contained in same base plate I, one group of hydrovalve is provided with stacked compression release valve, the first overlapping three position four-way electromagnetic valve, the second overlapping three position four-way electromagnetic valve from bottom to top, and another group is provided with the 3rd overlapping three position four-way electromagnetic valve, stacked unidirectional throttle valve, top board from bottom to top; In the II of described Fa road, base plate II, pressure relay, one-way valve, the first stacked compression release valve, overlapping two position four-way solenoid valves are installed from bottom to top; Described hydraulic power unit connects rotating hydraulic cylinder by pressure relay, one-way valve, the first stacked compression release valve, overlapping two position four-way solenoid valves successively; Described hydraulic power unit connects feed cylinder by the second stacked compression release valve, the first overlapping three position four-way electromagnetic valve, the second overlapping three position four-way electromagnetic valve, the 3rd overlapping three position four-way electromagnetic valve successively, stacked unidirectional throttle valve is connected in parallel on the 3rd overlapping three position four-way electromagnetic valve, connects feed cylinder simultaneously; In described operating table, be provided with clamping and unclamp for controlling hydraulic chuck of being connected with PLC, the F.F. of tailstock, work are entered the operating button with rewind down; Described the first overlapping three position four-way electromagnetic valve, the second overlapping three position four-way electromagnetic valve, the 3rd overlapping three position four-way electromagnetic valve and overlapping two position four-way solenoid valves are connected with PLC respectively.
The beneficial effects of the utility model are:
1. this Laboratory Furniture can utilize the delivery pressure of hydraulic station to carry out testing property to hydraulic pressure components and parts, also can allow student by high technology numerical control machining equipment, experiences the concrete application of mechanical, electrical, liquid integrated technology on actual machine equipment.
2. this Laboratory Furniture is owing to controlling based on PLC, and student can revise PLC program flexibly, changes the function such as motion state, solenoid directional control valve commutation sequence of hydraulic tailstock, flexible large.In addition, this Laboratory Furniture, ensureing, under the prerequisite of the normal work of numerical control machine tool hydraulic chuck Clamping system, fully to have excavated the potentiality of existing equipment, has been saved purchase cost, accomplishes with less input, obtains larger experiment effect.
Brief description of the drawings
Below in conjunction with drawings and Examples, the utility model is described in further detail.
Fig. 1 is Hydraulic Experimental Platform overall pattern;
Fig. 2 is that Hydraulic Power Transmission System is always schemed;
Fig. 3 is hydrovalve erection drawing;
Fig. 4 is that the A of Fig. 3 is to view;
Fig. 5 is that the B of Fig. 3 is to view;
Fig. 6 is that the C of Fig. 3 is to view;
Fig. 7 is the D-D sectional view of Fig. 3;
Fig. 8 is hydrovalve road I sole plate structural representation;
Fig. 9 is the left view of Fig. 8;
Figure 10 is the A-A sectional view of Fig. 8;
Figure 11 is the B-B sectional view of Fig. 8;
Figure 12 is the C-C sectional view of Fig. 8;
Figure 13 is hydrovalve road I top board structure schematic diagram;
Figure 14 is the A-A sectional view of Figure 13;
Figure 15 is the B-B sectional view of Figure 13;
Figure 16 is power circuit diagram;
Figure 17 is PLC wiring diagram;
Figure 18 is ladder diagram;
Figure 19 is Control figure;
Figure 20 is indicator light circuit figure;
Figure 21 is operating table position of components figure.
Embodiment
As shown in Figure 1, a kind of PLC based on numerical control machine tool controls Hydraulic Experimental Platform a hydraulic power unit 1 and operating table 23, and lathe bed is provided with hydraulic chuck 21, angling cylinder 7, feed cylinder 14, tailstock 18, slide unit 20 etc.Feeding hydrocylinder is fixed on tailstock tool by coupling head 17, and is supported by the support 16 being fixed on lathe bed.
As shown in Fig. 2-Fig. 7, valve group 22 is installed on described hydraulic power unit 1, described valve group 22 comprises ⅠHe Fa road, valve road II; Described Fa road I comprises two groups of hydrovalves installing side by side, two groups of hydrovalves are all contained in same base plate I 28, one group of hydrovalve is provided with stacked compression release valve 8, the first overlapping three position four-way electromagnetic valve 10, the second overlapping three position four-way electromagnetic valve 11 from bottom to top, and another group is provided with the 3rd overlapping three position four-way electromagnetic valve 13, stacked unidirectional throttle valve 12, top board 27 from bottom to top; In the II of described Fa road, base plate II 29, pressure relay 2, one-way valve 3, the first stacked compression release valve 4, overlapping two position four-way solenoid valves 6 are installed from bottom to top.Described hydraulic power unit 1 connects rotating hydraulic cylinder by pressure relay 2, one-way valve 3, the first stacked compression release valve 4, overlapping two position four-way solenoid valves 6 successively, forms hydraulic chuck Clamping Circuit.Described hydraulic power unit 1 connects feed cylinder by the second stacked compression release valve 8, the first overlapping three position four-way electromagnetic valve 10, the second overlapping three position four-way electromagnetic valve 11, the 3rd overlapping three position four-way electromagnetic valve 13 successively, form hydraulic tailstock moving loop, stacked unidirectional throttle valve 12 is connected in parallel on the 3rd overlapping three position four-way electromagnetic valve 13, connect feed cylinder 14 simultaneously, and form hydraulic tailstock throttling speed control circuit together with the 3rd overlapping three position four-way electromagnetic valve 13.
For convenience of operation, also comprise a hand held controller 19, hand held controller 19 is provided with and is connected with PLC and clamps and unclamp for controlling hydraulic chuck, and the F.F. of tailstock, work are entered the operating button with rewind down.
In described operating table, be provided with clamping and unclamp for controlling hydraulic chuck of being connected with PLC, the F.F. of tailstock, work are entered the operating button with rewind down; Described the first overlapping three position four-way electromagnetic valve 10, the second overlapping three position four-way electromagnetic valve 11, the 3rd overlapping three position four-way electromagnetic valve 13 and overlapping two position four-way solenoid valves 6 are connected with PLC respectively.
On the upper pressure measuring tie-in 8-1 that the first pressure gauge 5, the second stacked compression release valves 8 are installed of pressure measuring tie-in 4-1 on the first stacked compression release valve 4, the second pressure gauge 9 is installed, the system pressure test port 26-1 of relief valve 26 installs the 3rd pressure gauge 15.
Oil hydraulic pump is to the pressure oil of hydraulic system output, and its system pressure is controlled by the relief valve 26 on hydraulic power unit, and this working pressure is shown by the 3rd pressure gauge 15.
Described hydraulic power unit 1 is horizontal hydraulic pumping plant, and hydraulic power unit also comprises oil hydraulic pump 1-1 and motor 1-2, and hydraulic power unit is provided with hydraulic station pouring orifice 24 and reserved standard Sandwich plate valve base plate 25.
As shown in Fig. 8-Figure 15, in base plate I, be provided with corresponding with the first overlapping three position four-way electromagnetic valve and the second overlapping three position four-way electromagnetic valve respectively hydraulic fluid port A1, hydraulic fluid port B1, hydraulic fluid port P1, hydraulic fluid port P2 and oil return inlet T 1, T2(through hole), described hydraulic fluid port A1 and hydraulic fluid port P2 are interconnected, described hydraulic fluid port B1 passes through pipeline
Receive the rod chamber that the feeding hydrocylinder of power is provided for tailstock, described hydraulic fluid port P1 connects and pumps hydraulic fluid port.
Be provided with hydraulic fluid port A3, hydraulic fluid port B3, hydraulic fluid port P3 and oil return inlet T 3(through hole in base plate II), described oil
Mouth A3 is connected with rotating hydraulic cylinder by pipeline with hydraulic fluid port B3; Described hydraulic fluid port P3 connects and pumps hydraulic fluid port.
Top board 27 is provided with cylinder ports A2 and cylinder ports P2 ', and cylinder ports A2 and cylinder ports P2 ' connect the rodless cavity of feeding hydrocylinder by pipeline.
As shown in figure 16, power circuit provides AC380V, AC220V, AC110V and DC24V power supply.Lathe start power transmission, air-break switch QF0 closes a floodgate, and because air-break switch QM1 is closed state, therefore hydraulic pump motor M1 rotation drives oil hydraulic pump to start working, the power supply indicator L0 on operating table is bright simultaneously.
As shown in Figure 17-Figure 19, operating button comprises that stop button SB2, chuck clamp button SB4, chuck release button SB6, tailstock fast forward button SB8, tailstock work and enter button SB10, tailstock fast backward button SB12.Wherein, SB3, SB5, SB7, SB9, SB11, SB13 are the operating buttons on hand held controller respective operations platform and the operating button of identical function is set.The output terminal correspondence of PLC is connected with auxiliary reclay KA1, KA2, KA3, KA4, KA5, KA6, KA7.For the new motor function of convenient increase, on PLC, be connected with emergency button and auxiliary reclay for subsequent use.
In order to ensure that tailstock moves in safety range, be equipped with in the front and rear direction of tailstock motion the position limit switch being connected with PLC.Described position limit switch has four, two rears that are arranged on tailstock to, two other front that is arranged on tailstock to.Position limit switch includes SB0, SB14-SB17, and position limit switch SBO is slide unit use, and position limit switch SB14-SB17 is that tailstock is used.
As shown in figure 19, PLC is connected respectively coil 1YV, 2YV, 3YV, 4YV, 5YV, 6YV, the 7YV of solenoid valve by the normally opened contact of KA1, KA2, KA3, KA4, KA5, KA6, KA7.Coil 1YV, 2YV, 3YV, 4YV, 5YV, 6YV, 7YV electric situation is as shown in table 1.
Table 1
As shown in figure 20, PLC has been connected respectively tutorial light by the normally opened contact of KA1, KA2, KA3, KA4, KA5, KA6, KA7, and tutorial light correspondence a working state.
As shown in figure 21, on the table top of operating table, correspondence is provided with operating button, pressure gauge and emergency button and standby pressure table.
Pressure oil Zhong mono-tunnel of oil hydraulic pump output flows to hydraulic chuck Clamping Circuit, and pressure oil backs down one-way valve 3, and after the first stacked compression release valve 4 decompressions, pressure is kept to the working pressure p3 ' of hydraulic chuck, and this working pressure is shown by the first pressure gauge 5; Another road in the pressure oil of oil hydraulic pump output flows to hydraulic tailstock moving loop, and pressure oil is after the second stacked compression release valve 8 decompressions, and pressure is kept to the required working pressure p2 of hydraulic tailstock feed cylinder, and this working pressure is shown by the second pressure gauge 9.Post-decompression pressure oil is when through overlapping three position four-way electromagnetic valve 10, and because overlapping three position four-way electromagnetic valve under normality 10 is cut-off state, pressure oil cannot pass through, therefore overlapping three position four-way electromagnetic valve 10 has played the effect of stop valve.In the time that needs tailstock moves, for guaranteeing that tailstock and machine tool sliding table do not collide, should first machine tool sliding table be moved to nearly chuck place, make it depart from the effective travel distance of tailstock, and after depression stroke switch S B0 (seeing Figure 18), electromagnetic valve coil in tailstock oil hydraulic circuit could obtain electric, and tailstock just can move.Working procedure is as follows:
Chuck clamps: under open state, press the operation button SB4 or SB5, auxiliary reclay KA2 obtains electric, coil 2YV on overlapping two position four-way solenoid valves 6 obtains electric (in table 1), pressure oil flows to the rod chamber of rotating hydraulic cylinder, rodless cavity oil return, and piston rod is to left movement, tension hydraulic chuck, hydraulic chuck is clamped condition.
Chuck unclamps: in the time that needs chuck unclamps, press the operation button SB6 or SB7, auxiliary reclay KA1 obtains electric, coil 1YV on overlapping two position four-way solenoid valves 6 obtains electric (in table 1), pressure oil flows to the rodless cavity of rotating hydraulic cylinder, and piston rod moves right, rod chamber oil return, unclamp hydraulic chuck, hydraulic chuck is releasing orientation.Overlapping pressure relay 2 in hydraulic chuck Clamping Circuit plays under-voltage protection effect; in the time that system pressure is less than setting value; overlapping pressure relay 2 protective switch KP disconnect (former Machine Tool Circuit realization); lathe action is stopped by force; main shaft stall, has protected equipment and personal safety.One-way valve 3 is to be mainly the pressurize of hydraulic chuck Clamping system, and, in the time of lathe power-off, one-way valve 3 seals, and keeps the pressure of angling cylinder, now, if hydraulic chuck, in clamped condition, still keeps this state before power-off after power-off.
Tailstock fast forward action: press the operation button SB8 or SB9, auxiliary reclay coil KA3, KA6 obtains electric, KA3, KA6 normally opened contact closure, coil 6YV on coil 3YV on the first overlapping three position four-way electromagnetic valve 10 and the 3rd overlapping three position four-way electromagnetic valve 13 obtains electric (in table 1), commutating with the 3rd overlapping three position four-way electromagnetic valve 13 on the first overlapping three position four-way electromagnetic valve 10, pressure oil is through the left position of the first overlapping three position four-way electromagnetic valve 10, the second overlapping three position four-way electromagnetic valve 11 metas, the left bit stream of the 3rd overlapping three position four-way electromagnetic valve 13 enters the rodless cavity of feeding hydrocylinder 14, piston rod is to left movement, pressure oil through rod chamber oil return after the second overlapping three position four-way electromagnetic valve 11, based on the meta mechanism of the second overlapping three position four-way electromagnetic valve 11, oil return and oil-feed stack, the flow that enters into feeding hydrocylinder 14 rodless cavities increases, form differential feed, realize the F.F. of tailstock.
The precession of tailstock work is done: press the operation button SB10 or SB11, auxiliary reclay coil KA3, KA4 obtains electric, KA3, KA4 normally opened contact closure, coil 4YV on coil 3YV on the first overlapping three position four-way electromagnetic valve 10 and the second overlapping three position four-way electromagnetic valve 11 obtains electric (in table 1), the second overlapping three position four-way electromagnetic valve 11 commutates, pressure oil is through the left position of the first overlapping three position four-way electromagnetic valve 10, the left position of the second overlapping three position four-way electromagnetic valve 11, stacked unidirectional throttle valve 12 flows to the rodless cavity of feeding hydrocylinder 14, due to the throttling action of stacked unidirectional throttle valve 12, piston rod left movement velocity is slack-off, historical facts or anecdotes has showed the working feed of tailstock, the speed of working feed speed can be by regulating the knob on stacked unidirectional throttle valve 12 to realize.
Tailstock rewind down action: press the operation button SB12 or SB13, auxiliary reclay coil KA3, KA5, KA7 obtains electric, KA3, KA5, KA7 normally opened contact closure, coil 3YV on the first overlapping three position four-way electromagnetic valve 10, coil 7YV on the coil 5YV of the second overlapping three position four-way electromagnetic valve 11 and the 3rd overlapping three position four-way electromagnetic valve 13 obtains electric (in table 1), the second overlapping three position four-way electromagnetic valve 11, the 3rd overlapping three position four-way electromagnetic valve 13 commutates, pressure oil is through the left position of the first overlapping three position four-way electromagnetic valve 10, the right bit stream of the second overlapping three position four-way electromagnetic valve 11 enters the rod chamber of feeding hydrocylinder 14, promotion piston rod moves right, rodless cavity oil return.Because the 3rd overlapping three position four-way electromagnetic valve 13 commutation is to right position, when pressure oil oil return directly through the expedite fuel tank of getting back to of the 3rd overlapping three position four-way electromagnetic valve 13, thereby realized the rewind down of tailstock.
Position limit switch SB14--SB17 is the limit position switch of tailstock motion, prevents generation accident after its excess of stroke.SB2, SB3 are that hydraulic tailstock motion always stops button.
In order to facilitate observation of students, cylinder ports A2, cylinder ports P2 ' and cylinder ports B1 are connected with feeding hydrocylinder by transparent pipeline.Like this, with compare with transparent type hydraulic test device based on virtual instrument technique, this Laboratory Furniture adopts the hydraulic pressure components and parts of machinery practicality, local pipeline adopts transparent pipe, make student in the time doing hydraulic test, can the intuitional and experiential thinking hydraulic product working principle and performance, can observe the flowing law of liquid in hydraulic system by transparent pipeline again simultaneously, its experiment effect is that above two kinds of experimental setups are beyond one's reach.
This Hydraulic Experimental Platform is taking the numerically controlled lathe with hydraulic chuck Clamping system as body, ensureing under the prerequisite of the normal work of numerically controlled lathe Clamping system, the power more than needed that makes full use of the independent hydraulic station of random outfit drives hydraulic tailstock, and unified with the PLC control action of hydraulic chuck and the motion of hydraulic tailstock.For ease of testing actual hydraulic control component and meeting student to uniting and adjustment experiment mechanical, electrical, liquid equipment, the component such as PLC control circuit, pressure gauge are incorporated on independent experimental operation table; For avoiding fuel tank temperature rise to impact Laboratory Furniture, fuel tank and hydraulic control circuit are independently gone out to experimental operation table; For saving cost, Hydraulic Experimental Platform main circuit and numerically controlled lathe share; For increasing the flexibility of Hydraulic Experimental Platform, it is control unit that governor circuit has adopted PLC, also be reserved with in addition the components and parts such as pressure gauge, push-button switch, auxiliary reclay and standard Sandwich plate valve base plate, this is also for Function Extension and the upgrading of Laboratory Furniture from now on provides sufficient space.
Claims (6)
1. the PLC based on numerical control machine tool controls a Hydraulic Experimental Platform, comprises hydraulic power unit (1) and operating table (23), on described hydraulic power unit (1), valve group (22) is installed, and described valve group (22) comprises ⅠHe Fa road, valve road II, described Fa road I comprises two groups of hydrovalves installing side by side, two groups of hydrovalves are all contained in same base plate I (28), one group of hydrovalve is provided with the second stacked compression release valve (8), the first overlapping three position four-way electromagnetic valve (10), the second overlapping three position four-way electromagnetic valve (11) from bottom to top, and another group is provided with the 3rd overlapping three position four-way electromagnetic valve (13), stacked unidirectional throttle valve (12), top board (27) from bottom to top, base plate II (29), pressure relay (2), one-way valve (3), the first stacked compression release valve (4), overlapping two position four-way solenoid valves (6) are installed in the II of described Fa road from bottom to top, described hydraulic power unit (1) is successively by pressure relay (2), one-way valve (3), the first stacked compression release valve (4), overlapping two position four-way solenoid valves (6) connect rotating hydraulic cylinder (7), described hydraulic power unit (1) is successively by the second stacked compression release valve (8), the first overlapping three position four-way electromagnetic valve (10), the second overlapping three position four-way electromagnetic valve (11), the 3rd overlapping three position four-way electromagnetic valve (13) connects feed cylinder (14), stacked unidirectional throttle valve (12) is connected in parallel on the 3rd overlapping three position four-way electromagnetic valve (13), connect feed cylinder (14) simultaneously, in described operating table, be provided with clamping and unclamp for controlling hydraulic chuck of being connected with PLC, the F.F. of tailstock, work are entered the operating button with rewind down, described the first overlapping three position four-way electromagnetic valve (10), the second overlapping three position four-way electromagnetic valve (11), the 3rd overlapping three position four-way electromagnetic valve (13) and overlapping two position four-way solenoid valves (6) are connected with PLC respectively.
2. the PLC based on numerical control machine tool according to claim 1 controls Hydraulic Experimental Platform, it is characterized in that: also comprise a hand held controller (19), hand held controller (19) is provided with and on PLC, is connected and clamps and unclamp for controlling hydraulic chuck, and the F.F. of tailstock, work are entered the operating button with rewind down.
3. the PLC based on numerical control machine tool according to claim 1 controls Hydraulic Experimental Platform, it is characterized in that: the front and rear direction in tailstock motion is equipped with the position limit switch being connected with PLC.
4. the PLC based on numerical control machine tool according to claim 3 controls Hydraulic Experimental Platform, it is characterized in that: described position limit switch has four, two rears that are arranged on tailstock motion to, two other front that is arranged on tailstock motion to.
5. the PLC based on numerical control machine tool according to claim 1 controls Hydraulic Experimental Platform, it is characterized in that: feeding hydrocylinder (14) is fixed on tailstock tool by coupling head (17), and is supported by the support (16) being fixed on lathe bed.
6. the PLC based on numerical control machine tool according to claim 1 controls Hydraulic Experimental Platform, it is characterized in that: described hydraulic power unit (1) is horizontal hydraulic pumping plant.
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| Application Number | Priority Date | Filing Date | Title |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107991026A (en) * | 2017-12-20 | 2018-05-04 | 马鞍山市恒永利机械科技有限公司 | A kind of hydraulic cylinder spillage test device |
| CN108105205A (en) * | 2017-12-20 | 2018-06-01 | 马鞍山市恒永利机械科技有限公司 | A kind of combined machine hydraulic cylinder test platform |
| CN108132126A (en) * | 2017-12-20 | 2018-06-08 | 马鞍山市恒永利机械科技有限公司 | A kind of combined machine hydraulic cylinder spillage test method |
| CN111028629A (en) * | 2019-12-19 | 2020-04-17 | 武汉华喜特种液压设备有限公司 | Multifunctional environment-friendly water hydraulic teaching experiment table |
| CN111946680A (en) * | 2020-07-27 | 2020-11-17 | 南京理工大学 | Hydraulic system based on unbalanced moment self-adaptive compensation |
| CN112692317A (en) * | 2021-01-11 | 2021-04-23 | 南京信息职业技术学院 | Self-adaptive clamping system of numerical control machine tool and control method thereof |
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2014
- 2014-02-12 CN CN201420063437.5U patent/CN203906447U/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107991026A (en) * | 2017-12-20 | 2018-05-04 | 马鞍山市恒永利机械科技有限公司 | A kind of hydraulic cylinder spillage test device |
| CN108105205A (en) * | 2017-12-20 | 2018-06-01 | 马鞍山市恒永利机械科技有限公司 | A kind of combined machine hydraulic cylinder test platform |
| CN108132126A (en) * | 2017-12-20 | 2018-06-08 | 马鞍山市恒永利机械科技有限公司 | A kind of combined machine hydraulic cylinder spillage test method |
| CN111028629A (en) * | 2019-12-19 | 2020-04-17 | 武汉华喜特种液压设备有限公司 | Multifunctional environment-friendly water hydraulic teaching experiment table |
| CN111946680A (en) * | 2020-07-27 | 2020-11-17 | 南京理工大学 | Hydraulic system based on unbalanced moment self-adaptive compensation |
| CN111946680B (en) * | 2020-07-27 | 2022-06-24 | 南京理工大学 | Hydraulic system based on unbalanced moment self-adaptive compensation |
| CN112692317A (en) * | 2021-01-11 | 2021-04-23 | 南京信息职业技术学院 | Self-adaptive clamping system of numerical control machine tool and control method thereof |
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