CN102133719A - Tool cleaning device - Google Patents
Tool cleaning device Download PDFInfo
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- CN102133719A CN102133719A CN2011100271616A CN201110027161A CN102133719A CN 102133719 A CN102133719 A CN 102133719A CN 2011100271616 A CN2011100271616 A CN 2011100271616A CN 201110027161 A CN201110027161 A CN 201110027161A CN 102133719 A CN102133719 A CN 102133719A
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Abstract
The invention provides a tool cleaning device which comprises a storage groove equipped adjacent to a cleaning liquid nozzle. Pressurization and pressure release can be performed inside the storage groove. When pressurized, the cleaning liquid inside the storage groove reaches the cleaning liquid nozzle through a relatively short path. The cleaning liquid is sprayed out from the cleaning liquid nozzle in a forceful way. Thus tools and tool retainers can be cleaned reliably in a short time. When the tool cleaning device is in a pressure release state, an open and close valve is opened. The cleaning liquid flowing from the valve is stored in the storage groove.
Description
Technical field
The present invention relates to a kind of tool cleaning device that the instrument that is installed on machine tool chief axis and tool retainer are cleaned.
Background technology
Lathe is carried out multiple processing by automatic tool exchange.Lathe comprises holding tools portion and tool replacing apparatus.Holding tools portion is taken in multiple instrument with the state that remains in tool retainer, the instrument of needs is sent to changing the position.Tool replacing apparatus is being changed the position receiving tool, and carries the instrument that is received, and it is installed on the main shaft of lathe.Tool replacing apparatus is pulled down the instrument of finishing using from main shaft, and the instrument of pulling down is transported to the replacing position, makes it turn back to holding tools portion.
Tool retainer comprises main shaft installation portion and instrument maintaining part.The instrument maintaining part keeps instruments such as drill bit, screw tap.The main shaft installation portion is cone shape.Main shaft has tool mounting hole.Tool mounting hole is the taper shape corresponding with the main shaft installation portion.Tool replacing apparatus passes through in the main shaft installation portion insertion tool installing hole with tool retainer, setting tool keeper on main shaft.Because the main shaft installation portion is close in the tool mounting hole, therefore main shaft can be become concentric with tool positioned.
Main shaft is positioned at the inside of Processing Room.There is the smear metal that is produced in the processing in inside at Processing Room.Smear metal is sometimes attached to being installed on the main shaft tool retainer before.The smear metal that is attached to tool retainer enters between main shaft installation portion and the tool mounting hole.Instrument rotates under the state of off-centre because of the influence of smear metal, and machining accuracy descends.Because the amount of the smear metal of adhering to more for a long time, instrument can't be installed on main shaft, so the operator need stop processing, the removal smear metal.
The lathe of record comprises tool cleaning device in day disclosure special permission communique 2002 No. 273640.Tool cleaning device cleans being installed on main shaft instrument and tool retainer before.Tool cleaning device comprises the remover liquid nozzle to the leading section ejection cleaning fluid of main shaft.Remover liquid nozzle is connected with compressed gas source with the cleaning solution supplying source.The cleaning solution supplying source comprises case and pump.Case is accommodated cleaning fluid.Pump is carried the cleaning fluid of case inside to remover liquid nozzle.
Cleaning fluid is also used as the cooling fluid with instrument in the processing and machining object cooling.The main purpose of pump is to supply with cooling fluid.The discharge pressure of pump is about 0.03MPa, and is also insufficient as the pressure of remover liquid nozzle ejection cleaning fluid.Compressed gas source is carried air to remover liquid nozzle.The ejection of the auxiliary cleaning fluid of air.Cleaning fluid is ejection at high speed under the effect of air, and washes away smear metal with the tool retainer collision.
Remover liquid nozzle ejection cleaning fluid and AIR MIXTURES.Therefore, less with the amount of the cleaning fluid of instrument and tool retainer collision.Because the cleaning liquid measure of collision is less, therefore tool cleaning device in the past needs the long period removing of smear metal.Comprise in the lathe of tool cleaning device in the past, have the required long problem of time of tool changing that comprises that instrument cleans.
Improve the time that energy shortening instrument cleans by the air pressure that will assist the cleaning fluid ejection.Air pressure is the pressure of the compressed gas source that can use.In order to shorten scavenging period, need the air source of high pressure special use.
Summary of the invention
The object of the present invention is to provide a kind of a large amount of cleaning fluids that stably spray, can be at short notice the tool cleaning device of cleaning means and tool retainer reliably.
In the tool cleaning device of technical scheme 1, comprising: the case of accommodating cleaning fluid; Can spray the remover liquid nozzle of cleaning fluid; And this remover liquid nozzle is connected with described case, and with the cleaning fluid of described case inside to described remover liquid nozzle cleaning liquid supplied path, utilize the cleaning fluid of described remover liquid nozzle ejection to clean instrument and the tool retainer that is installed on machine tool chief axis, described tool cleaning device comprises: be disposed at described cleaning fluid path, and the storagetank that will store at the described cleaning fluid of this cleaning fluid path internal flow; Be disposed at the described cleaning fluid path between described storagetank and the described remover liquid nozzle, and the supplying valve of this cleaning fluid path of energy opening/closing; Opening/closing is controlled the supplying valve control part of described supplying valve; Described storagetank is connected with pressure source, and the pressurization road that can utilize the pressure of this pressure source to be pressurizeed in described storagetank inside; Be disposed at the described cleaning fluid path between described storagetank and the described case, and the open and close valve of this cleaning fluid path of energy opening/closing; Opening/closing is controlled the open and close valve control part of described open and close valve; To whether being the judging part that the tool changing instruction is judged; And the pressure judging part whether described storagetank pressure inside is judged for a short time than the supply pressure of described cleaning fluid, in described judgement section judges for being tool changing when instruction, described supplying valve control part is opened described supplying valve, described pressure judgement section judges is described storagetank pressure inside than the supply pressure of described cleaning fluid hour, and described open and close valve control part is opened described open and close valve.
Remover liquid nozzle is with the cleaning fluid ejection of storagetank internal storage.Storagetank is positioned near the remover liquid nozzle.The cleaning fluid of storagetank inside is via arriving remover liquid nozzle than short in the past path.The exert pressure storagetank inside of pressure source is used on the pressurization road.For being tool changing when instruction, the supplying valve control part is opened supplying valve in judgement section judges, and the cleaning fluid of storagetank inside is sprayed forcefully from remover liquid nozzle.Tool cleaning device can be at short notice cleaning means and tool retainer reliably.After storagetank inside had been in low pressure, the open and close valve control part was opened open and close valve.Storagetank can be stored the cleaning fluid that flows into via open and close valve reliably.The cleaning that tool cleaning device finishes is next time at short notice prepared.
The tool cleaning device of technical scheme 2 also comprises pressure release road and switching valve, this pressure release road is connected with described case with described storagetank, and the air pressure of described storagetank inside can be discharged to described case, described switching valve can be changed between pressing position that described pressurization road is opened and the vent position that described pressure release road is opened.
When switching valve is in pressing position, open the pressurization road, and to storagetank inside air pressure in addition.When switching valve is in vent position, open the pressure release road, and the air pressure of storagetank inside is discharged.Storagetank can pressurize and pressure release with the simple structure with a switching valve.Pressurization and pressure release do not take place simultaneously, can implement reliably to clean and clean and prepare.
The tool cleaning device of technical scheme 3 comprises the switching valve control part, and this switching valve control part is converted to described pressing position with described switching valve under with described supplying valve and open and close valve closing state.
Under with supplying valve and open and close valve closing state, the switching valve control part is converted to pressing position with switching valve.Therefore, the pressure of pressure source can be pressurizeed to the storagetank inside of closed condition efficiently.
The tool cleaning device of technical scheme 4 comprises pressure sensor, and this pressure sensor detects described storagetank pressure inside, and described pressure judging part is judged according to the detected pressures of described pressure sensor.
The storagetank pressure inside than the little state of the supply pressure of cleaning fluid under, open and close valve is opened.Cleaning fluid flows into storagetank inside from case via open and close valve.
In the tool cleaning device of technical scheme 5, when the lasting stipulated time was in the pressure release state on described pressure release road, described pressure judgement section judges was that described storagetank pressure inside is littler than the supply pressure of described cleaning fluid.
According to the open hour on pressure release road, pressure judgement section judges storagetank inside has been in this situation of low pressure.Open and close valve is opened, and cleaning fluid flows into storagetank inside from case via open and close valve.
Description of drawings
Fig. 1 is the stereogram of lathe that comprises the tool cleaning device of embodiment 1.
Fig. 2 is the side view of the lathe of Fig. 1.
Fig. 3 is the front view of main shaft and main spindle box.
Fig. 4 is the side view of main shaft and main spindle box.
Fig. 5 is the figure from beneath main shaft and main spindle box.
Fig. 6 is the major part cutaway view of main shaft and main spindle box.
Fig. 7 is the hydraulic circuit figure of the tool cleaning device of embodiment 1.
Fig. 8 is the block diagram of control system of the tool cleaning device of embodiment 1.
Fig. 9 is the flow chart of cleaning control of the tool cleaning device of expression embodiment 1.
Figure 10 is the hydraulic circuit figure of the tool cleaning device of embodiment 2.
Figure 11 is the flow chart of cleaning control of the tool cleaning device of expression embodiment 2.
The specific embodiment
Below, describe the present invention in detail with reference to the accompanying drawing of representing better embodiment.As Fig. 1～shown in Figure 3, lathe 1 comprises control cabinet 3 and post 4 on it is supported on base station 2 on the floor.The left side of Fig. 2 of lathe 1 is positive (the place ahead).The operator is from positive (the place ahead) operation lathe 1.Post 4 is the pillars that are upright in the left and right directions central authorities at base station 2 rear portions.(Fig. 1,2 left side) comprises Processing Room to lathe 1 in the front side of post 4.But comprise the platform (not shown) that moves all around in Processing Room inside.Machining object on 1 pair of platform of lathe is processed.
As shown in Figure 4, holding tools portion 17 comprises a plurality of Tool pots 15 that are installed on chain 16.The tool retainer 21 (with reference to Fig. 6) that 15 pairs of Tool pots are equipped with instrument 20 is kept.Tool pot 15 moves by the circulation of chain 16, thereby instrument 20 and tool retainer 21 are transported to replacing position (lower position of Fig. 4).Changing the position, Tool pot 15 is sent instrument 20 and tool retainer 21 outside holding tools portion 17.
As shown in Figure 5, tool changing mechanism 18 comprises replacing arm 18a.Changing arm 18a is that the center rotates with the axle parallel with main shaft 6, and rises, descends.Change arm 18a and have grasping part 18b at its two ends.Grasping part 18b is mobile between the replacing position of the lower position of main shaft 6 and holding tools portion 17 by changing rotating of arm 18a.Grasping part 18b catches tool retainer 21 in the replacing position.Grasping part 18b catches tool retainer 21 at the lower position of main shaft 6.
Change arm 18a and descend, instrument 20 and tool retainer 21 are taken off from Tool pot 15 or main shaft 6 with the state of catching tool retainer 21.Change arm 18a and rotate 180 ° at down position.Instrument 20 and tool retainer 21 move to the lower position of main shaft 6 from changing the position, or move to changing the position from the lower position of main shaft 6.Change arm 18a and rise, instrument 20 and tool retainer 21 are embedded main shaft 6 or Tool pot 15 in the back that rotates.
As shown in Figure 6, tool retainer 21 comprises main shaft installation portion 21a and instrument maintaining part 21b.Instrument maintaining part 21b has two columnar portion.The columnar portion of below is caught instrument 20.The diameter of the columnar portion of top is bigger than the diameter of the columnar portion of below.Main shaft installation portion 21a is the continuous conus portion of upper surface with the columnar portion of top.
As shown in Figure 1, lathe 1 comprises cooling fluid unit 10.Cooling fluid unit 10 comprises case 11, accumulator tank 12, first pump 13, second pump 14.Case 11 is containers of box-shaped, accommodates the cooling fluid of supplying with in Processing Room (cleaning fluid).Accumulator tank 12, first pump 13, second pump 14 are arranged on the case 11.Cooling fluid unit 10 is detachable with respect to base station 2 rear sides.Fig. 1 represents to pull down the state of cooling fluid unit 10.Fig. 2 represents to be equipped with the state of cooling fluid unit 10.Accumulator tank 12 can be connected with the discharge portion 2a (with reference to Fig. 1) of base station 2 rear sides.The cooling fluid (cleaning fluid) that accumulator tank 12 will concentrate on after the use of discharge portion 2a is reclaimed.Accumulator tank 12 links to each other with case 11.The cooling fluid (cleaning fluid) that is recovered to accumulator tank 12 inside turns back in the case 11 via filter (not shown).First pump 13 and second pump 14 draw up the cooling fluid (cleaning fluid) of case 11 inside come, and send to Processing Room.First pump 13 is the shared pumps of cooling fluid, cleaning fluid.The discharge pressure of first pump 13 is 0.030MPa～0.045MPa.
As shown in Figure 7, the discharge side of first pump 13 is connected with an end of coolant pipe 31.Coolant pipe 31 extends to Processing Room inside.Cooling fluid sprays in Processing Room from first nozzle (not shown) of being located at coolant pipe 31 other ends.Instrument and the machining object cooling of cooling fluid in Processing Room inside will process.Second pump 14 is pumps of cooling fluid special use.The discharge pressure of second pump 14 is greater than the discharge pressure of first pump 13.The discharge side of second pump 14 is connected with an end of second coolant pipe (not shown).Second coolant pipe extends to Processing Room inside.Cooling fluid sprays in Processing Room from second nozzle (not shown) of being located at the second coolant pipe other end.The cooling of instrument during cooling fluid will be processed and machining object, and will wash away adding the smear metal that the Ministry of worker produces.
Supplying valve 35 is connected with compressed gas source 39 (being equivalent to pressure source) by air road 40.As shown in Figure 7, under normal conditions, supplying valve 35 is in the closed position.Air road 40 comprises first magnetic valve 44.Under normal conditions, first magnetic valve 44 is in the closed position.The air of 40 inside, air road is discharged after noise elimination part 44a noise reduction.First magnetic valve 44 is converted to open position according to the OPEN that control part 9 is sent.Compressed gas source 39 is supplied with air pressure owing to opening of first magnetic valve 44 to supplying valve 35.When air pressure was supplied to supplying valve 35, supplying valve 35 was converted to open position, supplying valve 35 open during, the cleaning fluid of remover liquid nozzle 30 ejection storagetanks 50 inside.Open and close valve 34 is connected with compressed gas source 39 by air road 41.As shown in Figure 7, under normal conditions, open and close valve 34 is in the closed position.Air road 41 comprises second magnetic valve 57.Under normal conditions, second magnetic valve 57 is in the closed position.The air of 41 inside, air road is discharged after noise elimination part 57a noise reduction.Second magnetic valve 57 is converted to open position according to the OPEN that control part 9 is sent.Compressed gas source 39 is supplied with air pressure owing to opening of second magnetic valve 57 to open and close valve 34.When air pressure was supplied to open and close valve 34, open and close valve 34 was converted to open position, and the cleaning fluid of cleaning fluid pipe 32 inside is sent to storagetank 50.
As shown in Figure 7, storagetank 50 is connected with switching valve 55 by access 37.Switching valve 55 is connected with compressed gas source 39 by pressurization road 42, and is connected with case 10 by pressure release road 43.Under normal conditions, open and close valve 34 is in vent position.Storagetank 50 is communicated with case 10 by access 37 and pressure release road 43.Discharge storagetank 50 pressure inside on pressure release road 43 to case 10.Switching valve 55 is converted to pressing position according to the conversion instruction that control part 9 is sent.Storagetank 50 is communicated with compressed gas source 39 with pressurization road 42 by access 37.Pressurization road 42 utilizes the air pressure of compressed gas source 39 and is pressurizeed in storagetank 50 inside.As mentioned above, remover liquid nozzle 30 is owing to opening of first magnetic valve 44 sprays cleaning fluid.The cleaning fluid that remover liquid nozzle 30 will be in storagetank 50 inside of pressurized state sprays forcefully.
Storagetank 50 comprises liquid level sensor 53 and pressure sensor 54.Liquid level sensor 53 comprises sensor main body 53a, the first non-contact switch 53b, the second non-contact switch 53c.Sensor main body 53a is included in the inside rising of pipe, the buoy that descends, and the bottom of this pipe is connected with storagetank 50.When the buoy of sensor main body 53a during near non-contact switch 53b, 53c, non-contact switch 53b, 53c become connection.Non-contact switch 53b, 53c dispose dividually at above-below direction.Non-contact switch 53a, 53c are to control part 9 output make-and-break signals.Control part 9 is by the connection of the first non-contact switch 53b, the liquid level of storagetank 50 inside is in the high position discerns.Control part 9 is by the disconnection of the second non-contact switch 53c, the liquid level of storagetank 50 inside is in lower position discerns.Liquid level sensor 53 also can be the liquid level sensor with other modes of the ultrasonic type liquid level sensor of the liquid level of ultrasound examination storagetank 50 inside etc.Pressure sensor 54 detects storagetank 50 pressure inside, and detection signal is exported to control part 9.Control part 9 is in pressurized state to storagetank 50 inside and discerns with reference to the detection signal of pressure sensor 54.
As shown in Figure 8, control part 9 is the computers that connect CPU9a, ROM9b, RAM9c, input interface 9d and output interface 9e by common bus.CPU9a moves according to the control program that is stored in ROM9b, thereby the whole processing action of 9 pairs of lathes 1 of control part is controlled.The control range of control part 9 comprises: the mobile control of the rotation of instrument 20, rising and decline control, machine table, the action control of ATC8, the control of tool cleaning device.Fig. 8 has only represented the part relevant with the control of tool cleaning device.
As mentioned above, liquid level sensor 53 detects the liquid level of storagetank 50 inside.Pressure sensor 54 detects storagetank 50 pressure inside.Pressure sensor 68 detects the air pressure that compressed gas source 39 is sent.Input interface 9d delivers to CPU9a with the detection signal of the input information of operating portion 90, liquid level sensor 36, pressure sensor 54,68.Output interface 9e is connected with the drive circuit 82 of first pump 13, the drive circuit 83 of first magnetic valve 44, the drive circuit 84 of second magnetic valve 57, the drive circuit 85 of switching valve 55.CPU9a sends action command by output interface 9e to drive circuit 82, drives first pump 13.CPU9a sends OPEN by output interface 9e to drive circuit 83, opens first magnetic valve 44.The air pressure of supplying valve 35 by compressed gas source 39 becomes to be opened.CPU9a sends OPEN by output interface 9e to drive circuit 84, opens second magnetic valve 57.The air pressure of open and close valve 34 by compressed gas source 39 becomes to be opened.CPU9a sends conversion instruction by output interface 9e to drive circuit 85, and switching valve 55 is converted to pressing position from vent position.
Storagetank 50 becomes low pressure by changing switching valve 55 into vent position, and switching valve 55 is changed into pressing position and becomes high pressure.Open and close valve 34 is between low pressure period in storagetank 50 inside to be opened.Storagetank 50 is stored the cleaning fluid of cleaning fluid pipe 32 inside.Supplying valve 35 is between full pressure period in storagetank 50 inside to be opened.The cleaning fluid of storagetank 50 inside is at high speed from remover liquid nozzle 30 ejections, cleaning means 20 and tool retainer 21.
The CPU9a of control part 9 carries out by following step (with reference to Fig. 9) and cleans action.Cleaning action is that the interruption that CPU9a carries out with specified period is handled.CPU9a reads in various signals (S1).Various signals are the detection signal of liquid level sensor 53, the detection signal of pressure sensor 54,68 etc.Whether CPU9a normally judges (S2) to the air pressure of compressed gas source 39.The judgement of S2 is implemented according to the detection signal of pressure sensor 68.For just often (S2: be), CPU9a judges the driving condition (S3) of first pump 13 at air pressure.When driving first pump 13, CPU9a is in this situation of driving condition with first pump 13 and is stored in RAM9c.The judgement of S3 is implemented with reference to RAM9c.
(S3: not), CPU9a does not carry out and cleans action when first pump 13 is non-driven state.When first pump 13 is driving condition (S3: be), whether CPU9a is to having the tool changing instruction to judge (S4).Procedure comprises the tool changing instruction in each operation program piece.The operation program piece block-by-block that CPU9a will be stored in the procedure of RAM9c is explained and is carried out.When carrying out machining control according to procedure, CPU9a judges with reference to RAM9c whether the tool changing instruction is arranged.(S4: not), CPU9a does not carry out and cleans action when having the tool changing instruction in the operation program piece.The air pressure of compressed gas source 39 for normal (S2: be), first pump 31 for driving condition (S3: be) and when tool changing instruction (S4: be) is arranged, CPU9a carries out and cleans action.
CPU9a with first magnetic valve 44 open, switching valve 55 connects, and allows the beginning (S5) of tool changing.Supplying valve 35 is opened.Switching valve 55 becomes pressing position.Storagetank 50 extrudes under the effect of air pressure stores liquid.Remover liquid nozzle 30 sprays cleaning fluid forcefully.Allow action by CPU9a, ACT8 begins tool changing.The cleaning fluid cleaning means 20 and the tool retainer 21 of remover liquid nozzle 30 ejections.
CPU9a compares (S6) with storagetank 50 pressure inside P and P1.Pressure P can be obtained by the detection signal of pressure sensor 54.P1 is the little pressure (for example being 0.4MPa) of air pressure than compression source of the gas 39.P1 is stored in RAM9c.At P is more than the P1 when (S6: be), and whether CPU9a is in lower position to the liquid level of storagetank 50 inside is judged (S7).The detection signal of the judgement tested liquid face sensor 53 of S7 and carrying out.Liquid level in storagetank 50 inside is not in lower position, and (S7: in the time of not), whether CPU9a has finished to tool changing is judged (S8).The judgement of S8 is for example implemented according to the position of main spindle box 5.The position of main spindle box 5 is detected by encoder (not shown).Not finishing at tool changing, (S8: in the time of not), CPU9a carries out the judgement of S6, S7, S8 repeatedly.When being in high pressure (S6: be) in storagetank 50 inside, remover liquid nozzle 30 ejection cleaning fluids, the cleaning fluid up to storagetank 50 inside lacks (S7: be), or tool changing finishes till (S8: be).When the liquid level of storagetank 50 inside has been in lower position (S7: be), or tool changing is when finishing (S8: be), and CPU9a closes first magnetic valve 44, and switching valve 55 is disconnected (S9).Supplying valve 35 is closed.Switching valve 55 returns vent position.Remover liquid nozzle 30 stops the ejection of cleaning fluid, and storagetank 50 inside become low pressure.
CPU9a compares (S 10) with storagetank 50 pressure inside P and P2.P2 is the pressure (for example be 0.01MPa) littler than the discharge pressure of first pump 13.P2 is stored in RAM9c.CPU9a standby till P becomes littler than P2 (S10: be) is opened (S11) with second magnetic valve 57.Open and close valve 34 is opened.The cleaning fluid of cleaning fluid pipe 32 inside flows into storagetank 50 via open and close valve 34.50 pressure inside P are littler than the discharge pressure of first pump 13 for storagetank.Therefore, cleaning fluid does not flow backwards and stays in storagetank 50 inside.Whether CPU9a is in the high position to the liquid level of storagetank 50 inside is judged (S12).(S12: in the time of not), CPU9a carries out the action of S9, S10, S11, S12 repeatedly not to be in the high position at liquid level.When liquid level had been in high position (S12: be), CPU9a closed second magnetic valve 57, and switching valve 55 is connected (S13), finished to clean action.
Open and close valve 34 is closed.Switching valve 55 is converted to pressing position.Storagetank 50 is stored the cleaning fluid higher than the high position, becomes pressurized state.Tool cleaning device standby till the next one cleans action.In S6, when being judged to be storagetank 50 pressure inside P than P1 little (S6: deny), CPU9a closes first magnetic valve 44, second magnetic valve 57, and switching valve 55 is disconnected.Supplying valve 35 is closed.Remover liquid nozzle 30 does not spray cleaning fluid.Open and close valve 34 is closed.Cleaning fluid is not supplied with to storagetank 50.Switching valve 55 returns vent position.Storagetank 50 inside become low pressure.Whether CPU9a is in lower position to the liquid level of storagetank 50 inside is judged (S15).When the liquid level in storagetank 50 inside was in lower position (S15: be), CPU9a compared (S16) with storagetank 50 pressure inside P and P2.CPU9a standby till P becomes littler than P2 (S16: be) is opened (S17) with second magnetic valve 57.Open and close valve 34 is opened.The cleaning fluid of cleaning fluid pipe 32 inside flows into storagetank 50 via open and close valve 34.Storagetank 50 is stored cleaning fluid, and the liquid level of storagetank 50 inside rises.Whether CPU9a is in the high position to the liquid level of storagetank 50 inside is judged (S18).Liquid level is not in the high position, and (S18: in the time of not), CPU9a remains open mode with second magnetic valve 57, standby till liquid level rises.When liquid level had been in high position (S18: be), CPU9a transferred to S13 with processing, second magnetic valve 57 cuts out, and switching valve 55 is connected (S13), finished to clean action.In the judgement of S15, the liquid level of storagetank 50 inside is not in lower position, and (S15: in the time of not), CPU9a connects (S19) with switching valve 55.Switching valve 55 is converted to pressing position.Storagetank 50 utilizes the air pressure of compressed gas source 39 to become pressurized state.CPU9a transfers to S6 with processing, and storagetank 50 pressure inside P become more than the P1, thereby CPU9a carries out the cleaning action of S7 to S12.
In S6, when storagetank 50 pressure inside P hanged down, CPU9a checked the cleaning fluid storage capacity of storagetank 50 inside.At the cleaning fluid storage capacity after a little while, CPU9a carries out S16 to S18.Storagetank 50 is stored cleaning fluid.Cleaning fluid storage capacity in storagetank 50 inside becomes the moment of regulation storage capacity, and CPU9a is pressurizeed and tenth skill to storagetank 50 inside.In this case, remover liquid nozzle 30 does not spray cleaning fluid, not cleaning means 20 and tool retainer 21.At the cleaning fluid storage capacity of storagetank 50 inside for a long time, CPU9a carries out S19, is pressurizeed in storagetank 50 inside.After finishing pressurization, CPU9a carries out S9 to S12.In this case, remover liquid nozzle 30 ejection cleaning fluid, cleaning means 20 and tool retainers 21.
The tool cleaning device of embodiment 1 comprises storagetank 50.Remover liquid nozzle 30 will be stored in the cleaning fluid ejection of storagetank 50 inside.Storagetank 50 is positioned near the remover liquid nozzle 30.The cleaning fluid of storagetank 50 inside arrives remover liquid nozzle 30 via shorter path.Remover liquid nozzle 30 response is fine, stably spray cleaning fluid.The tool cleaning device of embodiment 1 comprises pressurization road 42.Pressurizeed with air pressure in pressurization 42 pairs of storagetank 50 inside, road.The cleaning fluid of storagetank 50 inside is forcefully from remover liquid nozzle 30 ejection, and can be at short notice cleaning means 20 and tool retainer 21 reliably.
Switching valve 55 is opened pressurization road 42, and when being in vent position, is opened pressure release road 43 when being in pressing position.Storagetank 50 can pressurize and pressure release by the action of a switching valve 55.Pressurization and pressure release do not take place simultaneously, can implement reliably to clean and clean and prepare.Under supplying valve 35 and open and close valve 34 closing state, switching valve 55 is converted to described pressing position.The air pressure of compressed gas source 39 can be pressurizeed to storagetank 50 inside of closed condition reliably.The tool cleaning device of embodiment 1 comprises the pressure sensor 54 that storagetank 50 pressure inside are detected.Control part 9 can be discerned the pressurization and the pressure release of storagetank 50 by the detection signal of pressure sensor 54, controls supplying valve 35, open and close valve 34, switching valve 55 reliably.
The supplying valve control part is CPU9a.The open and close valve control part is CPU9a.Judging part is the CPU9a that carries out S4.The pressure judging part is the CPU9a that carries out S10, S16.The switching valve control part is the CPU9a of control switching valve 55.
Below, embodiment 2 is described.As shown in figure 10, the storagetank 50 of embodiment 2 comprises pressure switch 54a.In storagetank 50 internal pressures is authorized pressure (P1) when above, and pressure switch 54a is to control part 9 output connection signals.Other structures of the hydraulic circuit of embodiment 2 are identical with the tool cleaning device of embodiment 1.In Figure 10, the structural elements identical with embodiment 1 marked the symbol identical with Fig. 7.
The CPU9a of control part 9 carries out by following step (with reference to Figure 11) and cleans action.The processing of step shown in Figure 11 and step S6 shown in Figure 9, S10, S16 is inequality.In the step of Figure 11, replace S6, whether pressure switch 54a has been connected judged (S26).In the step of Figure 11, replace S10, built-in timer picks up counting (S30), and whether CPU9a has reached the stipulated time (T1) to timing is judged (S31).In the step of Figure 11, replace S16, built-in timer picks up counting (S37), and whether CPU9a has reached the stipulated time (T1) to timing is judged (S38).T1 is converted to switching valve 55 after the vent position, the needed time till the pressure release of storagetank 50 inside finishes.T1 is stored in RAM9c.The tool cleaning device of embodiment 2 comprises pressure switch 54a.By the connection signal of pressure switch 54a, control part 9 identification storagetanks 50 are in this situation of pressurized state.Be converted to the vent position elapsed time afterwards by switching valve 55, control part 9 identification storagetanks 50 are in this situation of pressure release state.The tool cleaning device of embodiment 2 does not need pressure sensor 54, therefore, and the simplification of energy implementation structure.The pressure judging part is the CPU9a that carries out S31, S38.
The following describes the variation of top embodiment having been carried out partial alteration.
(1) in the tool cleaning device of embodiment, utilize a switching valve 55 to come opening/closing pressurization road 42 and pressure release road 43.But also can utilizing respectively independently, valve comes opening/closing pressurization road 42 and pressure release road 43.
(2) tool cleaning device at embodiment comprises a storagetank 50.But also can comprise a plurality of storagetanks 50.
(3) pressure source also can replace compressed gas source 39 to pressurize with the hydraulic power source of oil pressure etc.
Claims (5)
1. tool cleaning device comprises:
Accommodate the case of cleaning fluid;
Can spray the remover liquid nozzle of cleaning fluid; And
This remover liquid nozzle is connected with described case, and with the cleaning fluid of described case inside to described remover liquid nozzle cleaning liquid supplied path,
Utilize the cleaning fluid of described remover liquid nozzle ejection to clean instrument and the tool retainer that is installed on machine tool chief axis, it is characterized in that, comprising:
Storagetank, this storagetank are disposed at described cleaning fluid path, and will store at the described cleaning fluid of this cleaning fluid path internal flow;
Supplying valve, this supplying valve are disposed at the described cleaning fluid path between described storagetank and the described remover liquid nozzle, and this cleaning fluid path of energy opening/closing,
The supplying valve control part, this supplying valve control part opening/closing is controlled described supplying valve,
The pressurization road, this pressurization road is connected described storagetank with pressure source, and can utilize the pressure of this pressure source to be pressurizeed in described storagetank inside;
Open and close valve, this open and close valve are disposed at the described cleaning fluid path between described storagetank and the described case, and this cleaning fluid path of energy opening/closing,
The open and close valve control part, this open and close valve control part opening/closing is controlled described open and close valve,
Judging part, whether this judging part is to being that the tool changing instruction is judged; And
Whether pressure judging part, this pressure judging part judge than the supply pressure of described cleaning fluid for a short time to described storagetank pressure inside,
In described judgement section judges for being tool changing when instruction, described supplying valve control part is opened described supplying valve, described pressure judgement section judges is described storagetank pressure inside than the supply pressure of described cleaning fluid hour, and described open and close valve control part is opened described open and close valve.
2. tool cleaning device as claimed in claim 1, it is characterized in that, also comprise pressure release road and switching valve, this pressure release road is connected with described case with described storagetank, and the air pressure of described storagetank inside can be discharged to described case, described switching valve can be changed between pressing position that described pressurization road is opened and the vent position that described pressure release road is opened.
3. tool cleaning device as claimed in claim 2 is characterized in that, comprises the switching valve control part, and this switching valve control part is converted to described pressing position with described switching valve under with described supplying valve and open and close valve closing state.
4. as each described tool cleaning device in the claim 1 to 3, it is characterized in that, comprise pressure sensor, this pressure sensor detects described storagetank pressure inside, and described pressure judging part is judged according to the detected pressures of described pressure sensor.
5. as each described tool cleaning device in the claim 1 to 3, it is characterized in that when the lasting stipulated time was in the pressure release state on described pressure release road, described pressure judgement section judges was that described storagetank pressure inside is littler than the supply pressure of described cleaning fluid.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2010011684A JP5402668B2 (en) | 2010-01-22 | 2010-01-22 | Tool cleaning equipment for machine tools |
| JP2010-011684 | 2010-01-22 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102133719A true CN102133719A (en) | 2011-07-27 |
| CN102133719B CN102133719B (en) | 2014-07-30 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201110027161.6A Active CN102133719B (en) | 2010-01-22 | 2011-01-20 | Tool cleaning device |
Country Status (2)
| Country | Link |
|---|---|
| JP (1) | JP5402668B2 (en) |
| CN (1) | CN102133719B (en) |
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| CN103567807A (en) * | 2012-07-30 | 2014-02-12 | 兄弟工业株式会社 | Machine tool |
| CN106736825A (en) * | 2015-11-20 | 2017-05-31 | 发那科株式会社 | Lathe |
| CN114367695A (en) * | 2022-03-03 | 2022-04-19 | 沧州德安防爆特种工具制造有限公司 | Tool changing device for machining explosion-proof wrench and milling machine |
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| JP6311386B2 (en) * | 2014-03-24 | 2018-04-18 | ブラザー工業株式会社 | Tool cleaning device and machine tool |
| CN107322366A (en) * | 2017-07-10 | 2017-11-07 | 河南鑫轴传动机械有限公司 | One kind transmission aixs cylinder member fork boring upright drill cooling device of earhole |
| JP6603286B2 (en) * | 2017-10-20 | 2019-11-06 | ファナック株式会社 | Cutting fluid supply device for machine tools |
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Also Published As
| Publication number | Publication date |
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| JP2011148047A (en) | 2011-08-04 |
| CN102133719B (en) | 2014-07-30 |
| JP5402668B2 (en) | 2014-01-29 |
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