CN110081035A - A kind of numerically controlled lathe hydraulic transmission control system - Google Patents
A kind of numerically controlled lathe hydraulic transmission control system Download PDFInfo
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- CN110081035A CN110081035A CN201910357262.6A CN201910357262A CN110081035A CN 110081035 A CN110081035 A CN 110081035A CN 201910357262 A CN201910357262 A CN 201910357262A CN 110081035 A CN110081035 A CN 110081035A
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- Prior art keywords
- oil
- valve
- solenoid directional
- hydraulic
- directional control
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
- B23Q11/00—Accessories fitted to machine tools for keeping tools or parts of the machine in good working condition or for cooling work; Safety devices specially combined with or arranged in, or specially adapted for use in connection with, machine tools
- B23Q11/12—Arrangements for cooling or lubricating parts of the machine
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
- B23Q3/00—Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine
- B23Q3/155—Arrangements for automatic insertion or removal of tools, e.g. combined with manual handling
- B23Q3/157—Arrangements for automatic insertion or removal of tools, e.g. combined with manual handling of rotary tools
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B11/00—Servomotor systems without provision for follow-up action; Circuits therefor
- F15B11/16—Servomotor systems without provision for follow-up action; Circuits therefor with two or more servomotors
- F15B11/20—Servomotor systems without provision for follow-up action; Circuits therefor with two or more servomotors controlling several interacting or sequentially-operating members
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B13/00—Details of servomotor systems ; Valves for servomotor systems
- F15B13/02—Fluid distribution or supply devices characterised by their adaptation to the control of servomotors
- F15B13/06—Fluid distribution or supply devices characterised by their adaptation to the control of servomotors for use with two or more servomotors
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B21/00—Common features of fluid actuator systems; Fluid-pressure actuator systems or details thereof, not covered by any other group of this subclass
- F15B21/04—Special measures taken in connection with the properties of the fluid
- F15B21/041—Removal or measurement of solid or liquid contamination, e.g. filtering
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B21/00—Common features of fluid actuator systems; Fluid-pressure actuator systems or details thereof, not covered by any other group of this subclass
- F15B21/04—Special measures taken in connection with the properties of the fluid
- F15B21/042—Controlling the temperature of the fluid
- F15B21/0423—Cooling
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- General Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Fluid-Pressure Circuits (AREA)
Abstract
A kind of numerically controlled lathe hydraulic transmission control system provided by the invention, including a power unit and four hydraulic pressure units, four hydraulic pressure units are connect by oil circuit board with power unit, power unit is for oil liquid to be input in hydraulic pressure unit, multiple hydraulic pressure units are integrated using oil circuit board, simplify the structure of integrated hydraulic system；Control the rotating method and clamped condition of the tailstock of lathe, the working condition of chuck and knife platform respectively by four hydraulic pressure units, four hydraulic pressure units are mutually indepedent, ensure that the stability of entire hydraulic system.
Description
Technical field
The present invention relates to hydraulic drive field, especially a kind of hydraulic transmission control system of numerically controlled lathe.
Background technique
With the continuous development of hydraulic technique, Hydraulic Power Transmission System accounts in the Mechanical course and system call interception of numerically controlled lathe
Have critically important position, due to output power, reliable operation and easily controllable and adjust, control that hydraulic system is undertaken and
Adjustment task is only second to electrical system.
Hydraulic Power Transmission System is widely applied in the control structure of the clamping of main shaft, automatic tool changer, rotary table, but
It is that each control structure is all made of a set of independent hydraulic pressure unit and is controlled, causes traditional numerically controlled lathe hydraulic system multiple
Miscellaneous, element is mostly and at high cost, and maintenance is even more more difficult.
Problem in view of the prior art, it is necessary to existing multiple hydraulic pressure units are integrated, it is entire hydraulic to simplify
The structure of system reduces manufacturing cost.
Summary of the invention
Aiming at the problems existing in the prior art, the present invention provides a kind of numerically controlled lathe hydraulic transmission control system, the liquid
Press system structure simple, the element used is few, reduces the cost of hydraulic system.
The present invention is to be achieved through the following technical solutions:
A kind of numerically controlled lathe hydraulic transmission control system holds out against state including power unit, for controlling lathe tailstock
First hydraulic pressure unit, the second hydraulic pressure unit for control card chuck clamping state, the third liquid for controlling knife platform clamped condition
Press the 4th hydraulic pressure unit of unit and the positive and negative rotation for controlling knife platform；
The power unit includes fuel tank, variable vane pump oil circuit board；In-line and oil return line are provided in oil circuit board, into
Oil circuit is connect by variable vane pump with fuel tank, first pressure gauge is provided on the in-line of oil circuit board, for measuring in-line
Pressure, the oil return line of oil circuit board connect by return filter with fuel tank；
First hydraulic pressure unit, the second hydraulic pressure unit, third hydraulic pressure unit and the 4th hydraulic pressure unit oil inlet end and oil circuit
The in-line of plate connects, and oil revolving end is connect with the oil return line of oil circuit board.
Preferably, return filter, the in-line of oil circuit board are additionally provided between the oil return line and fuel tank of the oil circuit board
Oil absorption filter screen is additionally provided between fuel tank.
Preferably, it is additionally provided with liquidometer on the fuel tank, for detecting the oil liquid amount in fuel tank.
Preferably, first hydraulic pressure unit includes the first check valve, the first pressure reducing valve, the first solenoid directional control valve and first
Hydraulic cylinder.
The entrance of first check valve is connected to the in-line of oiling plate, the outlet of the first check valve and entering for the first pressure reducing valve
Mouth connection, the outlet of the first pressure reducing valve are connect with the oil inlet of the first solenoid directional control valve, and two of the first solenoid directional control valve are fuel-displaced
Mouth is connected to two cavitys of first hydraulic cylinder respectively, and the oil return opening of the first solenoid directional control valve is connected to the oil return line of oiling plate.
Preferably, third pressure is additionally provided between the oil return opening of first solenoid directional control valve and the oil return line of oiling plate
Table.
Preferably, second hydraulic pressure unit includes the second pressure reducing valve, second one-way valve, the second solenoid directional control valve and second
Hydraulic cylinder.
The entrance of second pressure reducing valve is connected to the in-line of oiling plate, the outlet of the second pressure reducing valve and entering for second one-way valve
Mouth connection, the outlet of second one-way valve are connect with the oil inlet of the second solenoid directional control valve, and two of the second solenoid directional control valve are fuel-displaced
Mouth is connected to two cavitys of second hydraulic cylinder respectively, and the oil return opening of the second solenoid directional control valve is connected to the oil return line of oiling plate,
Second pressure gauge is additionally provided between the oil return opening of first solenoid directional control valve and the oil return line of oiling plate.
Preferably, the third hydraulic pressure unit includes third check valve, third solenoid directional control valve and third hydraulic cylinder；
Wherein, the entrance of third check valve is connected to the in-line of oil circuit board, the outlet of third check valve and third electromagnetism
The oil inlet of reversal valve connects, and two oil outlets of third solenoid directional control valve are connected to two cavitys of third hydraulic cylinder respectively,
The oil return opening of third solenoid directional control valve is connected to the oil return line of oil circuit board.
Preferably, the 4th hydraulic pressure unit includes throttle valve, the 4th solenoid directional control valve and the 4th hydraulic cylinder；
Wherein, the entrance of throttle valve is connected to the in-line of oil circuit board, outlet and the 4th solenoid directional control valve of throttle valve
Oil inlet connection, two oil outlets of the 4th solenoid directional control valve are connected to two cavitys of the 4th hydraulic cylinder respectively, the 4th electromagnetism
The oil return opening of reversal valve is connected to the oil return line of oil circuit board.
Preferably, it is additionally provided on the fuel tank for the cooling device cooling to oil liquid.
Compared with prior art, the invention has the following beneficial technical effects:
A kind of numerically controlled lathe hydraulic transmission control system provided by the invention, including a power unit and four hydraulic lists
Member, four hydraulic pressure units are connect by oil circuit board with power unit, and power unit is adopted for oil liquid to be input in hydraulic pressure unit
Multiple hydraulic pressure units are integrated with oil circuit board, simplify the structure of integrated hydraulic system, it is convenient for safeguarding；Pass through four liquid
Pressure unit controls the rotating method and clamped condition of the tailstock of lathe, the working condition of chuck and knife platform respectively, and four hydraulic
Unit is mutually indepedent, ensure that the stability of entire hydraulic system.
Detailed description of the invention
Fig. 1 is Hydraulic Power Transmission System schematic diagram of the present invention；
Fig. 2 is electromagnet action sequence list of the present invention.
In figure: 1. variable vane pumps, 2. motors, 3. first solenoid directional control valves, 4. first hydraulic cylinders, 5. first pressure reducing valves,
6. the first check valve, 7. fuel tanks, 8. liquidometers, 9. oil fillers, 10. oil circuit boards, 11. first pressure gauges, the conversion of 12. pressure gauges are opened
It closes, 13. air coolers, 14. oil absorption filter screens, 15. first pressure relays, 16. return filters, 17. second hydraulic cylinders, 18. the
Three hydraulic cylinders, 19. the 4th hydraulic cylinders, 20. second solenoid directional control valves, 21. third solenoid directional control valves, 22. the 4th solenoid directional control valves,
23. second pressure relay, 24. second pressure reducing valves, 25. second one-way valves, 26. third check valves, 27. throttle valves, 28. second
Pressure gauge, 29. third pressure gauges.
Specific embodiment
Present invention will be described in further detail below with reference to the accompanying drawings, described to be explanation of the invention rather than limit
It is fixed.
As shown in Figure 1, a kind of numerically controlled lathe hydraulic transmission control system, including power unit, the first hydraulic pressure unit, second
Hydraulic pressure unit, third hydraulic pressure unit and the 4th hydraulic pressure unit.
Power unit for giving the first hydraulic pressure unit, the second hydraulic pressure unit, third hydraulic pressure unit and the 4th hydraulic list respectively
Member provides hydraulic oil；First hydraulic pressure unit holds out against or unclamps for controlling lathe tailstock；Second hydraulic pressure unit is for controlling chuck
Clamping and release；Third hydraulic pressure unit is used to control the clamping and release of knife platform；4th hydraulic pressure unit is for controlling knife platform
Positive and negative rotation.
Power unit includes variable vane pump 1, motor 2, fuel tank 7, liquidometer 8 and oil circuit board 10.
Wherein, in-line and oil return line are provided in oil circuit board 10, in-line is connect by variable vane pump 1 with fuel tank 7,
Motor 2 is connect with variable vane pump 1, and variable vane pump 1 is driven by motor 2 to be rotated, and the mechanical energy that motor 2 inputs is switched to liquid
Pressure energy provides the oil liquid with certain pressure and flow for system.Pressure gauge conversion is additionally provided between motor 2 and in-line to open
12 are closed, first pressure gauge 11 is provided on in-line, for measuring the pressure of in-line.The oil return line of oil circuit board 10 passes through oil return
Filter 16 is connect with fuel tank 7.
It is also connected with air cooler 13 on fuel tank 7, when work, efficient heat exchange is carried out using the cold air of forced flow, is made
Oil temperature is down to operating temperature to ensure that system is carried out continuously normal operation, and work is enable smoothly to carry out.It is additionally provided on fuel tank 7
For measuring the liquidometer 8 of fuel tank fuel quantity, oil filler 9 is provided at the top of fuel tank.
The output pressure of variable vane pump 1 can be read from first pressure gauge 11, when the pressure rise of oil liquid is to more than setting
Pressure when, pressure gauge change-over switch open, make oil liquid pressure stablize in the range of pressure values of setting.
First hydraulic pressure unit includes the first check valve 6, the first pressure reducing valve 5, first pressure relay 15, the first electromagnetic switch
Valve 3 and first hydraulic cylinder 4.
The entrance of first check valve 6 is connect with the in-line of oiling plate 10, the outlet of the first check valve 6 and the first pressure reducing valve
5 entrance connection, the outlet of the first pressure reducing valve 5 are connect with the entrance of first pressure relay 15, first pressure relay 15
Outlet connect with the oil inlet of the first solenoid directional control valve 3, two oil outlets of the first solenoid directional control valve 3 respectively with first hydraulic cylinder
Left chamber be connected to right chamber, the oil return opening of the first solenoid directional control valve 3 is connected to the oil return line of oiling plate 10, the first solenoid directional control valve
Third pressure gauge 29 is additionally provided between 3 oil return opening and the oil return line of oiling plate 10.
First solenoid directional control valve 3 is Y type three-position four-way electromagnetic directional valve.
For the on-off electricity condition of the electromagnet arbitrary end of all solenoid directional control valves, hydraulic cylinder is fixed, and piston rod can
To do linear reciprocating motion to the left or to the right.When the left and right end electromagnet of solenoid directional control valve all powers off, bullet of the spool at both ends
It is in an intermediate position under spring effect.At this moment it is not communicated between the left chamber, right chamber of hydraulic cylinder, in-line and oil return line, piston is just
It is slack.
The working principle of the first hydraulic pressure unit is described in detail below.
Referring to Fig.2, when 3 right end YV2 electromagnet of the first solenoid directional control valve is powered, when YV1 is in off-position, variable blade
Pump 1 is driven by motor 2 to be rotated, by the variation of its internal seal chamber volume, by oil liquid from fuel tank 7, through oil absorption filter screen
14 suckings, and enter the first solenoid directional control valve 3 through pressure gauge change-over switch 12, check valve 6, pressure reducing valve 5, through the first electromagnetic switch
The oil outlet on the right of valve 3 enters the left chamber of indentation hydraulic cylinder 4, and the left chamber volume of first hydraulic cylinder 4 is forced constantly to increase, and pushes
Piston moves right, and realizes the purpose that tail stock for machine tool is held out against.Meanwhile former road is returned in the oil liquid of 4 right chamber of first hydraulic cylinder and is flowed to
The left chamber of hydraulic cylinder 4.
When 3 right end YV1 electromagnet of the first solenoid directional control valve is powered, when YV2 is in off-position, the first solenoid directional control valve 3
The oil outlet on the left side is opened, and oil liquid enters the right chamber of first hydraulic cylinder through the oil outlet on the left side, and 4 right chamber of first hydraulic cylinder is forced to be held
Product constantly increases, and piston is pushed to be moved to the left, and realizes the purpose that tailstock unclamps, while the oil liquid of 4 left chamber of first hydraulic cylinder passes through back
Hydraulic fluid port enters in oil return line, then flows back to fuel tank through filter 16.
When the left and right end electromagnet of the first solenoid directional control valve 3 all powers off, spool is under the spring effect at both ends
Between position.It is not communicated between the left chamber, right chamber of hydraulic cylinder 4, in-line and oil return line at this time, piston is just slack.
When oil liquid pressure reaches the set pressure of pressure switch 15, pressure switch 15 exports tailstock decompression alarm signal
Number.
Second hydraulic pressure unit include the second pressure reducing valve 24, second one-way valve 25, the second solenoid directional control valve 20, second pressure after
Electric appliance 23 and second hydraulic cylinder 17.
The entrance of second pressure reducing valve 24 is connect with the in-line of oiling plate 10, and the outlet of the second pressure reducing valve 24 is unidirectional with second
The entrance of valve 25 connects, and the outlet of second one-way valve 25 is connect with the oil inlet of the second solenoid directional control valve 23, the second electromagnetic switch
Two oil outlets of valve 23 are connected to the left chamber of second hydraulic cylinder 17 and right chamber respectively, and second pressure relay 23 is arranged second
On 4 oil circuit of left chamber of hydraulic cylinder 17, the oil return opening of the second solenoid directional control valve 23 is connected to the oil return line of oiling plate 10, the second electromagnetism
Second pressure gauge 28 is additionally provided between the oil return opening of reversal valve 23 and the oil return line of oiling plate 10.
The working principle of second hydraulic pressure unit is identical as the working principle of the first hydraulic pressure unit.
When 23 right end YV3 electromagnet of the second solenoid directional control valve is powered, when YV4 is in off-position, oil liquid enters the second liquid
In the left chamber of cylinder pressure 17, and piston is pushed to move right, realizes the clamping of chuck.
When 23 right end YV4 electromagnet of the second solenoid directional control valve is powered, when YV3 is in off-position, oil liquid enters the second liquid
In the right chamber of cylinder pressure 17, and piston is pushed to be moved to the left, realizes the release of chuck.
The size of chuck clamping force can be adjusted by pressure reducing valve 24.
The pressure signal of oil liquid is transformed into electric signal by second pressure relay 23, when oil liquid pressure reach second pressure after
When the set pressure of electric appliance 23, chuck decompression alarm signal is issued.
Third hydraulic pressure unit includes third check valve 26, third solenoid directional control valve 21 and third hydraulic cylinder 18.
Wherein, the entrance of third check valve 26 is connected to the in-line of oil circuit board 10, the outlet of third check valve 26 and the
The oil inlets of three solenoid directional control valves 21 connects, two oil outlets of third solenoid directional control valve 21 left side with third hydraulic cylinder 18 respectively
Chamber is connected to right chamber, and the oil return opening of third solenoid directional control valve 21 is connected to the oil return line of oil circuit board 10.
The working principle of third hydraulic pressure unit is described in detail below.
When 21 right end YV6 electromagnet of third solenoid directional control valve is powered, when YV5 is in off-position, oil liquid passes through third list
Enter to valve 26 from the oil inlet of third solenoid directional control valve 21, then the oil outlet from the left side of third solenoid directional control valve 21 enters the
The left chamber of three hydraulic cylinders 18, left chamber volume constantly increase, and piston is pushed to move right, and realize the clamping of knife platform.Meanwhile in third
The oil liquid of hydraulic cylinder right chamber returns to the left chamber that former road flows to third hydraulic cylinder.
When 21 right end YV5 electromagnet of third solenoid directional control valve is powered, when YV6 is in off-position, oil liquid is from third electromagnetism
The oil outlet on 21 right side of reversal valve enters the right chamber of third hydraulic cylinder 18, and right chamber volume constantly increases, and piston is pushed to be moved to the left,
Realize the release of knife platform, while the oil liquid of third hydraulic cylinder left chamber enters in oil return line through oil return opening, then flows through filter 16
Oil return box.
4th hydraulic pressure unit includes throttle valve 27, the 4th solenoid directional control valve 22 and the 4th hydraulic cylinder 19.
Wherein, the entrance of throttle valve 27 is connected to the in-line of oil circuit board 10, and the outlet of throttle valve 27 is changed with the 4th electromagnetism
It is connected to the oil inlet of valve 22, two oil outlets of the 4th solenoid directional control valve 22 left chamber and right chamber with the 4th hydraulic cylinder 19 respectively
Connection, the oil return opening of the 4th solenoid directional control valve 22 are connected to the oil return line of oil circuit board 10.
When 22 right end YV8 electromagnet of the 4th solenoid directional control valve is powered, when YV7 is in off-position, oil liquid passes through throttle valve
27 enter from the oil inlet of the 4th solenoid directional control valve 22, and then the oil outlet from 22 left side of the 4th solenoid directional control valve enters the 4th liquid
The left chamber of cylinder pressure 19 realizes that knife platform rotates counterclockwise.Meanwhile former road is returned in the oil liquid of the 4th hydraulic cylinder right chamber and flows to the 4th liquid
The left chamber of cylinder pressure.
When 22 right end YV7 electromagnet of the 4th solenoid directional control valve is powered, when YV8 is in off-position, oil liquid is from the 4th electromagnetism
The oil outlet on 22 right side of reversal valve enters the right chamber of the 4th hydraulic cylinder 19, realizes that knife platform rotates clockwise, while third hydraulic cylinder
The oil liquid of left chamber enters in oil return line through oil return opening, then flows back to fuel tank through filter 16.
Throttle valve 27 is connected between the 4th hydraulic cylinder 19 and hydraulic cylinder, the stream into hydraulic cylinder is controlled with throttle valve
Amount achievees the purpose that speed regulation.
Hydraulic system of the invention has the advantages that noise is low, high-efficient, at low cost using variable vane pump；Simultaneously in oil
Oil absorption filter screen is set between case and variable vane pump, and oil absorption filter screen can filter out the impurity and pollutant of oil liquid in fuel tank, have
Effect improves oil liquid degree of purity, prevents from damaging system.
It is equipped with oil filler beside fuel tank, is used to supply oil liquid to fuel tank, while fuel tank is equipped with liquidometer, for measuring
The volume of oil liquid is added.
Using oil circuit board is equipped with, connection is integrated for various hydraulic parts, convenient for searching, maintenance, is debugged.In the first He
Check valve 6, as hydraulic lock are used in second hydraulic pressure unit, i.e., oil circuit are lockked, circuit oil liquid is not allowed to have flowing.And it can reach
To higher pressure ratio, structure is simple, reliable operation, has good economy and feasibility.
Solenoid directional control valve used by the hydraulic system is Y type three-position four-way electromagnetic directional valve, and solenoid directional control valve uses
The thrust of electromagnet keeps the spool mobile, to change the flow direction of oil liquid.Solenoid directional control valve is the middle-position machine of three slide valves
Y type three-position four-way electromagnetic directional valve in energy reduces hydraulic shock when position stops for hydraulic lock and cylinder movement in Y type.
Fig. 2 is hydraulic system electromagnet action sequence list, and "+" indicates to be powered, and "-" indicates power-off.It can clearly indicate liquid
Pressure system is to the sequence of movement in the case of the power on/off of different electromagnet, as mentioned-above movement.
The above content is merely illustrative of the invention's technical idea, and this does not limit the scope of protection of the present invention, all to press
According to technical idea proposed by the present invention, any changes made on the basis of the technical scheme each falls within claims of the present invention
Protection scope within.
Claims (9)
1. a kind of numerically controlled lathe hydraulic transmission control system, which is characterized in that including power unit, for controlling lathe tailstock top
First hydraulic pressure unit of tight state, for the second hydraulic pressure unit of control card chuck clamping state, for controlling knife platform clamped condition
Third hydraulic pressure unit and the positive and negative rotation for controlling knife platform the 4th hydraulic pressure unit；
The power unit includes fuel tank (7), variable vane pump (1) and oil circuit board (10)；Oil circuit board is provided with oil inlet in (10)
Road and oil return line, in-line are connect by variable vane pump (1) with fuel tank (7), and the is provided on the in-line of oil circuit board (10)
One pressure gauge (11), for measuring the pressure of in-line, the oil return line of oil circuit board (10) passes through return filter (16) and fuel tank
(7) it connects；
First hydraulic pressure unit, the second hydraulic pressure unit, third hydraulic pressure unit and the 4th hydraulic pressure unit oil inlet end and oil circuit board
(10) in-line connection, oil revolving end are connect with the oil return line of oil circuit board (10).
2. numerically controlled lathe hydraulic transmission control system according to claim 1, which is characterized in that the oil circuit board (10) is returned
It is additionally provided between oil circuit and fuel tank (7) return filter (16), is also set up between the in-line and fuel tank (7) of oil circuit board (10)
There are oil absorption filter screen (14).
3. numerically controlled lathe hydraulic transmission control system according to claim 2, which is characterized in that also set on the fuel tank (7)
Liquidometer (8) are equipped with, for detecting the oil liquid amount in fuel tank.
4. numerically controlled lathe hydraulic transmission control system according to claim 1, which is characterized in that the first hydraulic pressure unit packet
Include the first check valve (6), the first pressure reducing valve (5), the first solenoid directional control valve (3) and first hydraulic cylinder (4)；
The entrance of first check valve (6) is connected to the in-line of oiling plate (10), the outlet of the first check valve (6) and the first decompression
The entrance of valve (5) connects, and the outlet of the first pressure reducing valve (5) is connect with the oil inlet of the first solenoid directional control valve (3), and the first electromagnetism changes
Be connected to respectively with two cavitys of first hydraulic cylinder to two oil outlets of valve (3), the oil return opening of the first solenoid directional control valve (3) with
The oil return line of oiling plate (10) is connected to.
5. numerically controlled lathe hydraulic transmission control system according to claim 3, which is characterized in that first solenoid directional control valve
(3) third pressure gauge (29) are additionally provided between the oil return line of oil return opening and oiling plate (10).
6. numerically controlled lathe hydraulic transmission control system according to claim 1, which is characterized in that the second hydraulic pressure unit packet
Include the second pressure reducing valve (24), second one-way valve (25), the second solenoid directional control valve (20) and second hydraulic cylinder (17)；
The entrance of second pressure reducing valve (24) is connected to the in-line of oiling plate (10), and the outlet of the second pressure reducing valve (24) is single with second
It being connected to the entrance of valve (25), the outlet of second one-way valve (25) is connect with the oil inlet of the second solenoid directional control valve (23), and second
Two oil outlets of solenoid directional control valve (23) are connected to two cavitys of second hydraulic cylinder (17) respectively, the second solenoid directional control valve
(23) oil return opening is connected to the oil return line of oiling plate (10), oil return opening and oiling plate (10) of the first solenoid directional control valve (3)
Second pressure gauge (28) are additionally provided between oil return line.
7. numerically controlled lathe hydraulic transmission control system according to claim 1, which is characterized in that the third hydraulic pressure unit packet
Include third check valve (26), third solenoid directional control valve (21) and third hydraulic cylinder (18)；
Wherein, the entrance of third check valve (26) is connected to the in-line of oil circuit board (10), the outlet of third check valve (26) with
The oil inlet of third solenoid directional control valve (21) connects, two oil outlets of third solenoid directional control valve (21) respectively with third hydraulic cylinder
(18) two cavitys connection, the oil return opening of third solenoid directional control valve (21) are connected to the oil return line of oil circuit board (10).
8. numerically controlled lathe hydraulic transmission control system according to claim 1, which is characterized in that the 4th hydraulic pressure unit packet
Include throttle valve (27), the 4th solenoid directional control valve (22) and the 4th hydraulic cylinder (19)；
Wherein, the entrance of throttle valve (27) is connected to the in-line of oil circuit board (10), the outlet of throttle valve (27) and the 4th electromagnetism
The oil inlet of reversal valve (22) connects, two oil outlets of the 4th solenoid directional control valve (22) respectively with the 4th hydraulic cylinder (19) two
A cavity connection, the oil return opening of the 4th solenoid directional control valve (22) are connected to the oil return line of oil circuit board (10).
9. numerically controlled lathe hydraulic transmission control system according to claim 1, which is characterized in that also set on the fuel tank (7)
It is equipped with for the cooling device cooling to oil liquid.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910357262.6A CN110081035A (en) | 2019-04-29 | 2019-04-29 | A kind of numerically controlled lathe hydraulic transmission control system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910357262.6A CN110081035A (en) | 2019-04-29 | 2019-04-29 | A kind of numerically controlled lathe hydraulic transmission control system |
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| Publication Number | Publication Date |
|---|---|
| CN110081035A true CN110081035A (en) | 2019-08-02 |
Family
ID=67417783
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910357262.6A Pending CN110081035A (en) | 2019-04-29 | 2019-04-29 | A kind of numerically controlled lathe hydraulic transmission control system |
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| Country | Link |
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| CN (1) | CN110081035A (en) |
Citations (7)
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| CN101251131A (en) * | 2008-03-28 | 2008-08-27 | 枣庄天源气动液压制造有限公司 | Non shaft support hydraulic system |
| CN203488468U (en) * | 2013-09-04 | 2014-03-19 | 浙江陀曼精密机械有限公司 | Duplex-pump hydraulic system of hydraulic lathe |
| CN204239359U (en) * | 2014-11-11 | 2015-04-01 | 东莞市长安同金液压机械配件维修店 | Hydraulic type fixture control system and use the device of this system |
| CN204828105U (en) * | 2015-08-19 | 2015-12-02 | 许昌学院 | Quick -witted hydraulic system of bloated muscle of adjustable speed |
| CN205260461U (en) * | 2015-12-23 | 2016-05-25 | 甘肃省机械科学研究院 | Ensiling circle bundle wrapping machine's hydraulic transmission system |
| CN206636860U (en) * | 2017-04-06 | 2017-11-14 | 重庆市农业科学院 | A kind of hydraulic system of trimmer |
| CN108757593A (en) * | 2018-06-12 | 2018-11-06 | 北京理工大学 | A kind of torsion shaft tooth root finish rolling hardening lathe hydraulic oil supply system |
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2019
- 2019-04-29 CN CN201910357262.6A patent/CN110081035A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101251131A (en) * | 2008-03-28 | 2008-08-27 | 枣庄天源气动液压制造有限公司 | Non shaft support hydraulic system |
| CN203488468U (en) * | 2013-09-04 | 2014-03-19 | 浙江陀曼精密机械有限公司 | Duplex-pump hydraulic system of hydraulic lathe |
| CN204239359U (en) * | 2014-11-11 | 2015-04-01 | 东莞市长安同金液压机械配件维修店 | Hydraulic type fixture control system and use the device of this system |
| CN204828105U (en) * | 2015-08-19 | 2015-12-02 | 许昌学院 | Quick -witted hydraulic system of bloated muscle of adjustable speed |
| CN205260461U (en) * | 2015-12-23 | 2016-05-25 | 甘肃省机械科学研究院 | Ensiling circle bundle wrapping machine's hydraulic transmission system |
| CN206636860U (en) * | 2017-04-06 | 2017-11-14 | 重庆市农业科学院 | A kind of hydraulic system of trimmer |
| CN108757593A (en) * | 2018-06-12 | 2018-11-06 | 北京理工大学 | A kind of torsion shaft tooth root finish rolling hardening lathe hydraulic oil supply system |
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