CN202851483U - Lathe feed hydraulic system - Google Patents
Lathe feed hydraulic system Download PDFInfo
- Publication number
- CN202851483U CN202851483U CN 201220536752 CN201220536752U CN202851483U CN 202851483 U CN202851483 U CN 202851483U CN 201220536752 CN201220536752 CN 201220536752 CN 201220536752 U CN201220536752 U CN 201220536752U CN 202851483 U CN202851483 U CN 202851483U
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- hydraulic cylinder
- oil pipe
- valve
- oil hydraulic
- pressure
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Abstract
The utility model discloses a lathe feed hydraulic system. The lathe feed hydraulic system comprises an oil box, a motor, a hydraulic pump, an oil absorption filter, an electromagnetic directional valve, a first motor-driven one-way speed regulation valve, a second motor-driven one-way speed regulation valve and a hydraulic cylinder, wherein a piston is arranged in the hydraulic cylinder, the piston divides the inside of the hydraulic cylinder into a left cavity and a right cavity, one side of the piston is connected with a piston rod extending out of the hydraulic cylinder, and a third high-pressure oil pipe between the second motor-driven one-way speed regulation valve and the right cavity of the hydraulic cylinder is connected with a load related counterbalance valve. A drill is installed at the outer end of the piston rod, when the drill is used for drilling a workpiece, the load related counterbalance valve enables backpressure to vary with the load, by means of the load related counterbalance valve, a system that when the load is increased, the backpressure automatically reduces, and when the load reduces, the backpressure increases can be combined, and further the purposes of good feeding stability and high system efficency are achieved. A manufacturer adopts the lathe feed hydraulic system for test, no breaking situation of the drill occurs, and the production efficency is largely improved.
Description
Technical field
The utility model relates to a kind of lathe, is specifically related to a kind of lathe feeding hydraulic system.
Background technique
Lathe chuck drives workpiece rotating, the oil hydraulic cylinder of lathe feeding hydraulic system promotes drill bit to Workpiece boring with normal speed, when drill bit drills workpiece soon, bit force is unbalanced, the broken drill situation often occurs, unless oil hydraulic cylinder promotes drill bit to Workpiece boring with slow especially speed, and will add sizable back pressure, just can avoid the generation of broken drill situation.If but like this, manufacturing efficiency is low especially, feeding hydraulic system efficient is also low especially.
The model utility content
The utility model is in order to solve deficiency of the prior art, provide a kind of drill bit not frangibility, guarantee the lathe feeding hydraulic system of manufacturing efficiency simultaneously.
For solving the problems of the technologies described above, the utility model adopts following technological scheme: lathe feeding hydraulic system, comprise fuel tank, motor, oil hydraulic pump, oil adsorption filter, solenoid directional control valve, the first electronic one-way speed-regulating valve, the second electronic one-way speed-regulating valve and oil hydraulic cylinder, be provided with piston in the oil hydraulic cylinder, piston separates oil hydraulic cylinder inside and is left cavity and right cavity, piston one side is connected with stretches out the outer piston rod of oil hydraulic cylinder, oil hydraulic cylinder the place ahead one side is provided with three approach switchs that stretch and cooperate with piston rod side by side, motor is connected with hydraulic pump driving, fuel tank, oil hydraulic pump is connected filler opening successively by the connection of the first high-pressure oil pipe with solenoid directional control valve, the first actuator port of solenoid directional control valve, the first electronic one-way speed-regulating valve is connected left cavity successively by the connection of the second high-pressure oil pipe with oil hydraulic cylinder, the second actuator port of solenoid directional control valve, the second electronic one-way speed-regulating valve is connected right cavity successively by the connection of third high pressuring oil pipe with oil hydraulic cylinder, the return opening of solenoid directional control valve is connected by the 4th high-pressure oil pipe with fuel tank, be connected with the relevant back pressure valve of load on the third high pressuring oil pipe between the right cavity of the described second electronic one-way speed-regulating valve and oil hydraulic cylinder, another filler opening of the relevant back pressure valve of load is connected by the 5th high-pressure oil pipe with the second high-pressure oil pipe, and the joint of the 5th high-pressure oil pipe and the second high-pressure oil pipe is between the left cavity of the first electronic one-way speed-regulating valve and oil hydraulic cylinder.
Be provided with air-strainer and liquid level thermometer in the described fuel tank.
The first high-pressure oil pipe between the filler opening of described oil hydraulic pump and solenoid directional control valve is provided with pressure gauge and pressure meter switch.
Be provided with relief valve between described the first high-pressure oil pipe and the 4th high-pressure oil pipe.
Adopt technique scheme, drill bit is installed in the outer end of piston rod, workpiece is being carried out in the boring procedure, the relevant back pressure valve of load can make back pressure change with load variations, utilizing this valve can form a load increase back pressure reduces automatically, load reduces the system that back pressure increases, and it is good to reach the feeding stationarity, the purpose that system effectiveness is high.Test after certain producer's lathe feeding system adopts this HYDRAULIC CONTROL SYSTEM, the broken drill situation does not occur, and manufacturing efficiency improves greatly again.
Description of drawings
Fig. 1 is working principle schematic representation of the present utility model.
Embodiment
As shown in Figure 1, lathe feeding hydraulic system of the present utility model, comprise fuel tank 1, motor 2, oil hydraulic pump 3, oil adsorption filter 4, solenoid directional control valve 5, the first electronic one-way speed-regulating valve 6, the second electronic one-way speed-regulating valve 7 and oil hydraulic cylinder 8, be provided with air-strainer 9 and liquid level thermometer 10 in the fuel tank 1, be provided with piston 11 in the oil hydraulic cylinder 8, piston 11 separates oil hydraulic cylinder 8 inside and is left cavity 12 and right cavity 13, piston 11 1 sides are connected with the piston rod 14 that stretches out outside the oil hydraulic cylinder 8, oil hydraulic cylinder 8 the place aheads one side is provided with and the piston rod 14 flexible approach switch SQ1 that cooperate side by side, approach switch SQ2 and approach switch SQ3, motor 2 is in transmission connection with oil hydraulic pump 3, fuel tank 1, the oil inlet P that oil hydraulic pump 3 is connected with solenoid directional control valve connects by the first high-pressure oil pipe 18 successively, the first actuator port B of solenoid directional control valve 5, the left cavity 12 that the first electronic one-way speed-regulating valve 6 is connected with oil hydraulic cylinder connects by the second high-pressure oil pipe 19 successively, the second actuator port A of solenoid directional control valve 5, the right cavity 13 that the second electronic one-way speed-regulating valve 7 is connected with oil hydraulic cylinder connects by third high pressuring oil pipe 20 successively, the oil return inlet T of solenoid directional control valve 5 is connected by the 4th high-pressure oil pipe 21 with fuel tank 1, be connected with the relevant back pressure valve 22 of load on the third high pressuring oil pipe 20 between the right cavity 13 of the second electronic one-way speed-regulating valve 7 and oil hydraulic cylinder 8, another filler opening of the relevant back pressure valve 22 of load is connected by the 5th high-pressure oil pipe 23 with the second high-pressure oil pipe 19, and the joint of the 5th high-pressure oil pipe 23 and the second high-pressure oil pipe 19 is between the left cavity 12 of the first electronic one-way speed-regulating valve 6 and oil hydraulic cylinder 8.The first high-pressure oil pipe 18 between the oil inlet P of oil hydraulic pump 3 and solenoid directional control valve 5 is provided with pressure gauge 24 and pressure meter switch 25.Be provided with relief valve 26 between the first high-pressure oil pipe 18 and the 4th high-pressure oil pipe 21.
When work is used, press the start button SB1 of motor 2, motor 2 starts, oil hydraulic pump 3 idle running off-loads; Then press the start button SB2 of motor 2, the electromagnet YV3 of the electromagnet YV1 of solenoid directional control valve 5, the first electronic one-way speed-regulating valve 6 gets electric, piston rod 14 F.F.s of oil hydraulic cylinder 5; When the piston rod 14 of oil hydraulic cylinder 5 arrived approach switch SQ2, approach switch SQ2 sender made electromagnet YV3 outage, electromagnet YV1 still electric, piston rod 14 workers of oil hydraulic cylinder 5 advance; When oil hydraulic cylinder 5 arrived approach switch SQ3, approach switch SQ3 sender made electromagnet YV1 outage, and electromagnet YV2 gets electric, and oil hydraulic cylinder 5 piston rods 14 workers move back; When oil hydraulic cylinder 5 piston rods 14 fall back on approach switch SQ2, approach switch SQ2 sender, it is electric that electromagnet YV2, electromagnet YV4 are got, oil hydraulic cylinder 5 piston rods 14 rewind downs; When arriving approach switch SQ1, approach switch SQ1 sender makes electromagnet YV2, electromagnet YV4 outage, and oil hydraulic cylinder 5 piston rods 14 quit work; A work cycle finishes, and waits for next work cycle.
Normally in service at native system, piston rod 14 workers of oil hydraulic cylinder 5 advance with the worker to move back in the process, the relevant back pressure valve 22 of load makes the back pressure of drill bit change with load variations, thereby forming a load increase back pressure reduces automatically, load reduces the system that back pressure increases, it is good to reach the feeding stationarity, the broken drill situation does not occur again, and manufacturing efficiency improves greatly.
Claims (4)
1. lathe feeding hydraulic system, comprise fuel tank, motor, oil hydraulic pump, oil adsorption filter, solenoid directional control valve, the first electronic one-way speed-regulating valve, the second electronic one-way speed-regulating valve and oil hydraulic cylinder, be provided with piston in the oil hydraulic cylinder, piston separates oil hydraulic cylinder inside and is left cavity and right cavity, piston one side is connected with stretches out the outer piston rod of oil hydraulic cylinder, oil hydraulic cylinder the place ahead one side is provided with three approach switchs that stretch and cooperate with piston rod side by side, motor is connected with hydraulic pump driving, fuel tank, oil hydraulic pump is connected filler opening successively by the connection of the first high-pressure oil pipe with solenoid directional control valve, the first actuator port of solenoid directional control valve, the first electronic one-way speed-regulating valve is connected left cavity successively by the connection of the second high-pressure oil pipe with oil hydraulic cylinder, the second actuator port of solenoid directional control valve, the second electronic one-way speed-regulating valve is connected right cavity successively by the connection of third high pressuring oil pipe with oil hydraulic cylinder, the return opening of solenoid directional control valve is connected by the 4th high-pressure oil pipe with fuel tank, it is characterized in that: be connected with the relevant back pressure valve of load on the third high pressuring oil pipe between the right cavity of the described second electronic one-way speed-regulating valve and oil hydraulic cylinder, another filler opening of the relevant back pressure valve of load is connected by the 5th high-pressure oil pipe with the second high-pressure oil pipe, and the joint of the 5th high-pressure oil pipe and the second high-pressure oil pipe is between the left cavity of the first electronic one-way speed-regulating valve and oil hydraulic cylinder.
2. lathe feeding hydraulic system according to claim 1 is characterized in that: be provided with air-strainer and liquid level thermometer in the described fuel tank.
3. lathe feeding hydraulic system according to claim 1, it is characterized in that: the first high-pressure oil pipe between the filler opening of described oil hydraulic pump and solenoid directional control valve is provided with pressure gauge and pressure meter switch.
4. lathe feeding hydraulic system according to claim 1 is characterized in that: be provided with relief valve between described the first high-pressure oil pipe and the 4th high-pressure oil pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220536752 CN202851483U (en) | 2012-10-19 | 2012-10-19 | Lathe feed hydraulic system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220536752 CN202851483U (en) | 2012-10-19 | 2012-10-19 | Lathe feed hydraulic system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202851483U true CN202851483U (en) | 2013-04-03 |
Family
ID=47982690
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220536752 Expired - Fee Related CN202851483U (en) | 2012-10-19 | 2012-10-19 | Lathe feed hydraulic system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202851483U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106735394A (en) * | 2016-12-30 | 2017-05-31 | 河海大学常州校区 | A kind of dual sided porous drilling hydraulic system of modular machine tool |
-
2012
- 2012-10-19 CN CN 201220536752 patent/CN202851483U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106735394A (en) * | 2016-12-30 | 2017-05-31 | 河海大学常州校区 | A kind of dual sided porous drilling hydraulic system of modular machine tool |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130403 Termination date: 20151019 |
|
| EXPY | Termination of patent right or utility model |