CN104070394A - Machine tool - Google Patents
Machine tool Download PDFInfo
- Publication number
- CN104070394A CN104070394A CN201310382837.2A CN201310382837A CN104070394A CN 104070394 A CN104070394 A CN 104070394A CN 201310382837 A CN201310382837 A CN 201310382837A CN 104070394 A CN104070394 A CN 104070394A
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- China
- Prior art keywords
- instrument
- handle part
- processing department
- storehouse
- lathe
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Classifications
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- 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
- B23Q3/16—Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine controlled in conjunction with the operation of the tool
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- 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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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Automatic Tool Replacement In Machine Tools (AREA)
- Numerical Control (AREA)
Abstract
The invention relates to a machine tool, and the objective of the machine tool lies in that the mechanical interference is prevented from being generated because of the replacement of a tool when a holding part of a holding tool is forbidden to being located at a replacement position. The machine tool is provided with a warehouse and a control unit. A CPU of the control unit is used for control, thereby enabling a main shaft head to move between a position of a machining area where a workpiece can be machined and the position of an ATC original point where the warehouse can carry the holding part. An EEPROM is corresponding to the holding part, and stores the information whether one of a standard tool (t1) and a big-diameter tool (t2) is held or not. The CPU judges whether the holding part, storing the information of the big-diameter tool (t2), of the EEPROM is adjacent to a holding part located at a position of replacement. When the holding part is adjacent to a holding part located at a position of replacement, the CPU forbids that the main shaft head moves from the position of the ATC original point to the position in the machining zone, thereby preventing the replacement of the tool from generating the mechanical interference.
Description
Technical field
The present invention relates to a kind of lathe, it has storehouse and can carry out tool changing, is arranged with a plurality of handle parts that instrument is controlled in above-mentioned storehouse, and handle part can be carried in this storehouse.
Background technology
Lathe can carry out various processing.Lathe has the storehouse that is arranged with a plurality of handle parts that instrument is controlled and can carries this handle part, can make the instrument taking out from storehouse and the instrument that is installed on main shaft change, thereby carry out required processing.
In Japanese Laid-Open Patent Publication 1999 No. 0042533, disclose a kind of lathe with storehouse, storage part and notification unit.In storehouse, be arranged with a plurality of handle parts.At least one handle part in a plurality of handle parts is being controlled the instrument that a kind of diameter is larger (hereinafter referred to as large footpath instrument), if adjacent handle part is not empty, cannot control the instrument that this diameter is larger.In the storage part of lathe, store to the relevant tool information of the instrument on a plurality of handle parts of being held in.Notification unit is for example display, can show tools information.When by large footpath tool settings on a handle part time, notification unit notice: cannot control instrument on adjacent handle part.For example on display, the information of forbidding and adjacent handle part are shown accordingly.Tool settings on the adjacent handle part of the handle part with being set with large footpath instrument time, lathe makes buzzer sound to notify setting mistake.
When with when holding handle part that the handle part of large footpath instrument is adjacent and be positioned at the replacing position of instrument, if lathe carries out tool changing action, the problem that exists large footpath instrument and mechanism's mechanicalness of the instrument of replacing to interfere.In addition, in order to keep in repair etc., by handwork, changing when being held in the instrument on handle part, operator will carry handle part by manual operation sometimes.When carrying handle part by manual operation, operator will by with holding handle part that the handle part of large footpath instrument is adjacent, be transported to and change position, then carry out tool changing action, now exist the problem that mechanicalness is interfered can occur.
Summary of the invention
The present invention relates to a kind of lathe, its object is, when forbidding that the handle part of the instrument of controlling is positioned at replacing position, can prevent the mechanicalness interference producing because of replacing instrument.
The lathe of technical scheme 1 comprises: storehouse, in this storehouse, be arranged with a plurality of handle parts that instrument is controlled, and it can be transported to above-mentioned handle part the replacing position of replacing instrument, processing department, this processing department is provided with instrument, can process workpiece, and control part, this control part makes control mobile between the position of above-mentioned processing department in machining area and carrying position, position in above-mentioned machining area is the position of above-mentioned processing department energy processing work, above-mentioned carrying position is the position that above-mentioned handle part can be carried in above-mentioned storehouse, this lathe makes mobilely between the position of above-mentioned processing department in above-mentioned machining area and carrying position to being installed on the instrument of above-mentioned processing department, to change, in addition this lathe also comprises: storage part, each in this storage part and a plurality of above-mentioned handle part accordingly, store the information of forbidding controlling at adjacent handle part instrument, judging part, whether the handle part that this judging part judgement stores the information of forbidding the instrument of controlling in above-mentioned storage part is adjacent with the handle part that is positioned at above-mentioned replacing position, and prohibition unit, when above-mentioned judging part is judged as when adjacent, this prohibition unit forbids that the position in above-mentioned processing department is from above-mentioned carrying position towards above-mentioned machining area moves.Therefore, when forbidding that the handle part of the instrument of controlling is positioned at while changing position, lathe forbids that processing department moves towards the position in machining area from carrying position, thereby can prevent that the mechanicalness producing because of replacing instrument from interfering.
The lathe of technical scheme 2 comprises: storehouse, in this storehouse, be arranged with a plurality of handle parts that instrument is controlled, and it can be transported to above-mentioned handle part the replacing position of replacing instrument, processing department, this processing department is provided with instrument, can process workpiece, and control part, this control part makes control mobile between the position of above-mentioned processing department in machining area and carrying position, position in above-mentioned machining area is the position of above-mentioned processing department energy processing work, above-mentioned carrying position is the position that above-mentioned handle part can be carried in above-mentioned storehouse, this lathe makes mobilely between the position of above-mentioned processing department in above-mentioned machining area and carrying position to being installed on the instrument of above-mentioned processing department, to change, in addition this lathe also comprises: storage part, each in this storage part and a plurality of above-mentioned handle part accordingly, store the information of forbidding controlling at this handle part instrument, judging part, whether the handle part that this judging part judgement stores the information of forbidding the instrument of controlling in above-mentioned storage part is positioned at above-mentioned replacing position, and prohibition unit, when being judged as, above-mentioned judging part is positioned at while changing position, and this prohibition unit forbids that the position in above-mentioned processing department is from above-mentioned carrying position towards above-mentioned machining area moves.Therefore, when forbidding that the handle part of the instrument of controlling is positioned at while changing position, lathe forbids that processing department moves towards the position in machining area from carrying position, thereby can prevent that the mechanicalness producing because of replacing instrument from interfering.
The lathe of technical scheme 3,4 also comprises manual operation unit, and this manual operation unit makes above-mentioned control part make above-mentioned processing department from above-mentioned carrying position, move to the control of the position in above-mentioned machining area.Therefore, lathe is in the situation that make processing department move towards the position in machining area from carrying position by manual operation unit, also can prevent that the mechanicalness that produces because of replacing instrument from interfering.
The above-mentioned storehouse of the lathe of technical scheme 5 has the drive division of the above-mentioned handle part of carrying, above-mentioned control part makes above-mentioned processing department move to above-mentioned carrying position from the position in above-mentioned machining area, and after above-mentioned drive division sends the instruction of the above-mentioned handle part of carrying, make above-mentioned processing department from above-mentioned carrying position, move to the control of the position in above-mentioned machining area.Therefore, lathe can utilize control part to carry out the position in machining area and carry the control of the tool changing action between position, can prevent that the mechanicalness in tool changing action from interfering.
The above-mentioned storehouse of the lathe of technical scheme 6 has the drive division of the above-mentioned handle part of carrying, above-mentioned control part makes above-mentioned processing department move to above-mentioned carrying position from the position of readiness being set between above-mentioned machining area and above-mentioned carrying position, and after above-mentioned drive division sends the instruction of the above-mentioned handle part of carrying, make above-mentioned processing department from above-mentioned carrying position, move to the control of above-mentioned position of readiness.Therefore, lathe can utilize control part to carry out the control of the tool changing action between position of readiness and carrying position, can prevent that the mechanicalness in tool changing action from interfering.
The lathe of technical scheme 7～9 comprises a plurality of handle parts is arranged in to circular storehouse, can prevent that the mechanicalness producing because of replacing instrument from interfering.
Accompanying drawing explanation
Fig. 1 is the stereogram of lathe.
Fig. 2 is the front view of main tapping and tool storage room.
Fig. 3 is the stereogram of main tapping.
Fig. 4 is the stereogram of control arm.
Fig. 5 means the block diagram of the electrical structure of lathe.
Fig. 6 means the block diagram of the structure of operating portion.
Fig. 7 is the schematic diagram that specification tool is changed.
Fig. 8 is the cam mechanism while simply representing that main tapping is positioned at machining area, the right view of handle part.
Fig. 9 is the cam mechanism while simply representing that main tapping is positioned at Z axis origin position, the right view of handle part.
Figure 10 simply represents that main tapping is positioned at the Z axis origin position cam mechanism in when top, the right view of handle part.
Figure 11 is the cam mechanism while simply representing that main tapping is positioned at ATC origin position, the right view of handle part.
Figure 12 is that the program to generating by MDI is carried out illustrative schematic diagram.
Figure 13 carries out illustrative chart to tool information.
Figure 14 means the flow chart of the step that control when tool changing single action key is pressed is processed.
Figure 15 means the flow chart of the step that the decline of main tapping is processed.
Figure 16 means the flow chart of the step that the control of the program based on generating by MDI is processed.
Figure 17 means the flow chart of the step of returning to processing after the decline of main tapping is forbidden.
The specific embodiment
Below, with reference to accompanying drawing, the lathe of embodiments of the present invention is described.In the following description, use the represented front and back up and down of arrow in figure.The left and right directions of lathe 1, fore-and-aft direction, above-below direction are respectively X-direction, Y direction, Z-direction.Operator operates lathe 1 forwardly, carries out the mounting or dismounting of workpiece.With reference to Fig. 1～Fig. 6, the structure of lathe 1 is described.
Lathe 1 comprises pedestal 11, column 12, main tapping 2 (processing department), tool replacing apparatus 3, workbench 15, control module 6 etc.Pedestal 11 is fixed on ground.The vertical rear, top of being located at pedestal 11 of column 12.Main tapping 2 can be along front surface lifting in Z-direction (above-below direction) of column 12.The main shaft 2b (with reference to Fig. 2) of main tapping 2 is provided with tool retainer 5.5 couples of instrument t of tool retainer keep.Instrument t comprises the various tools such as conventional tool t1, large footpath instrument t2.The appearance and size of large footpath instrument t2 is larger than the appearance and size of conventional tool t1.Main shaft 2b utilizes the driving of Spindle Motor 84 and High Rotation Speed.Tool replacing apparatus 3 is supported by brace table 14.Brace table 14 is fixed on the leading section of pair of frames 13, and this pair of frames 13 is fixed on the left and right, top of column 12.A plurality of tool retainers 5 in 31 pairs, storehouse of tool replacing apparatus 3 are controlled.Tool replacing apparatus 3 is replaced with other tool retainer 5 by the tool retainer 5 that is installed on main shaft 2b.Workbench 15 is arranged on pedestal 11, workpiece is fixed into detachable.Workbench 15 can utilize X-axis feed mechanism 16 mobile towards X-direction (left and right directions), and can utilize Y-axis feed mechanism 17 mobile towards Y direction (fore-and-aft direction).X-axis feed mechanism 16 is driven by X-axis motor 81 (with reference to Fig. 5), and Y-axis feed mechanism 17 is driven by Y-axis motor 82 (with reference to Fig. 5).Main tapping 2, under the driving of Spindle Motor 84, makes to be installed on the instrument t High Rotation Speed of main shaft 2b, thereby processes being fixed on the workpiece of workbench 15.Control module 6 is located at the rear of column 12, and each motor 81,82,84 etc. is controlled.
With reference to Fig. 2, tool replacing apparatus 3 is described.Tool replacing apparatus 3 comprises being fixed with the storehouse 31 that a plurality of tool retainers 5 of instrument t support, the cam mechanism 20 of being located at main tapping 2 front portions.Storehouse 31 comprises storehouse main body 32, a plurality of handle part 4.Storehouse main body 32 is in the form of annular discs.Brace table 14 (with reference to Fig. 1) is fixed the back shaft 33 tilting towards front lower place.Back shaft 33 is supported to main body 32 axles in storehouse can rotate freely by bearing etc.32 rotations of storehouse motor 85 (with reference to Fig. 1) Driver Library main body.A plurality of handle parts 4 be take the central angle (in present embodiment for about 17 degree) of regulation along circumferentially equally spaced setting at the peripheral part of storehouse main body 32, and it is circular that overall alignment becomes.In the present embodiment, there are 21 handle parts 4.4 pairs of each handle parts are provided with the tool retainer 5 of instrument t and control.For fear of on a handle part 4 when holding large footpath instrument t2, the instrument t that adjacent handle part 4 is controlled and this large footpath instrument t2 interference, lathe 1 forbids that handle part 4 pair instrument ts adjacent with the handle part 4 of controlling large footpath instrument t2 control.When the instrument t controlling when handle part 4 is conventional tool t1, lathe 1 allows handle part 4 pair instrument ts adjacent with this handle part 4 to control.
With reference to Fig. 3, cam mechanism 20 is described.The front that cam mechanism 20 is located at main tapping 2 is partly the leading flank of the 2a of main shaft support portion.Cam mechanism 20 comprise approach cam 21, away from cam 22.Approach cam 21, outstanding and be long tabular of above-below direction from the front surface of the 2a of main shaft support portion away from cam 22.Approach cam 21 and from upper end, downward there is the constant par 21a of outstanding width (front and back width), and lower end slightly above outstanding width (front and back width) taper increased and form summit 21b.Away from cam 22 have outstanding width (front and back width) along with from lower end towards top and the 22a of conical surface portion that taper increases, and above the 22a of conical surface portion, there is the constant par 22b of outstanding width (front and back width).The 2a of main shaft support portion supports to portion within it by main shaft 2b and rotates freely.Main shaft 2b has the rotating shaft of above-below direction, and it rotates with being installed on Spindle Motor 84 interlocks of the 2a of main shaft support portion upper end.Main shaft 2b has the cone shape instrument retaining hole of erecting tools keeper 5 in its bottom.Main shaft 2b within it portion has draw bar (not shown), utilizes this draw bar that the tool retainer 5 that is intercalated in instrument retaining hole is fixed on to rotating shaft 2b.The pair of guide rails that main tapping 2 is extended along the vertical direction by the front surface at column 12 (not shown) supports, and it can utilize the ball screw framework (not shown) arranging with guide rail parallel extension to carry out lifting.Ball screw framework is driven by Z axis motor 83 (with reference to Fig. 5).
With reference to Fig. 4, handle part 4 is described.Handle part 4 comprises arm 40, controls pin 43, approaches cam follower 45, away from cam follower 46, abutting part 47 etc.The curved shape that arm 40 forms along upper downward-extension, end has back shaft 41 thereon, and can swing around this back shaft 41.The supported seat 42 of back shaft 41 supports, and supporting seat 42 is fixed on storehouse main body 32.Back shaft 41 is parallel with the tangent to periphery direction of storehouse main body 32.Therefore, while making arm 40 be positioned at the foot of above-below direction when 32 rotations of storehouse main body, back shaft 41 is left and right directions, and the bottom of arm 40 swings on fore-and-aft direction.The bottom of arm 40 is divided into two, and this each leading section of two has the pin 43 of controlling respect to one another.Two to control pin 43 outstanding towards the other side's direction each other under the effect of the application of force of compression helical spring, and overcome the application of force of compression helical spring and can be retreated by stressed.
Arm 40 thereon end has bar 44.Bar 44 is side-prominent towards main tapping 2, and supports to and can rotate freely around the axle center parallel with back shaft 41 approaching cam follower 45 at its leading section.Arm 40 therebetween portion to supporting away from cam follower 46 of rotating freely around the axle center parallel with back shaft 41.Approach cam follower 45 and be for example roller away from cam follower 46.What approach cam follower 45 and cam mechanism 20 approaches cam 21 butts, away from cam follower 46 and cam mechanism 20 away from cam 22 butts.Abutting part 47 by under the effect of the elastic force-applying at compression helical spring from the upper end of arm 40 towards above outstanding steel ball form.By make to approach cam follower 45 and away from cam follower 46 with and cam mechanism 20 butts of main tapping 2 one liftings, arm 40 can swing around back shaft 41 on fore-and-aft direction.By the swing of arm 40, the bottom of arm 40 and main shaft 2b approach or away from main shaft 2b.As mentioned above, the bottom of arm 40 is divided into two.Being located at two of leading section of two, to control pin 43 chimeric with the groove 5a (with reference to Fig. 2) that arrange on the complete cycle of tool retainer 5.Arm 40 makes its bottom approach main shaft 2b by swing, makes two to control pin 43 and with groove 5a is chimeric, tool retainer 5 is controlled.Arm 40 makes its bottom away from main shaft 2b by swing, makes two to control pin 43 releasing slots 5a, comes away from tool retainer 5.During about replacing instrument, the action of main tapping 2 and handle part 4 will be narrated in the back.
With reference to Fig. 5, the electrical structure of lathe 1 is described.Control module 6 comprises CPU61 (control part, judging part, prohibition unit), ROM62, RAM63, EEPROM64 (storage part), input interface 65, output interface 66, operating portion 67, and these structures connect by bus N.CPU61 reads the control program that is stored in ROM62 RAM63 and carries out, thereby carries out the processing processing of workpiece and tool changing processing etc.ROM62 is non-volatile memory elements such as mask ROM or EEPROM, the control program that it is carried out CPU61 and process required various data etc. and carry out pre-stored.RAM63 is the memory elements such as SRAM or DRAM, and it stores the control program reading out from ROM62 and various data of producing processing procedure etc. temporarily.EEPROM64 is non-volatile memory element that can carry out data rewriting, and it stores processes required various data.The relevant tool information of instrument that EEPROM64 stores procedure, controls to each handle part 4 in storehouse 31, wherein, records the procedure of processing of workpiece and processing conditions etc. in above-mentioned procedure.Also can replace EEPROM64 with non-volatile memory devices such as flash memories.Lathe 1 comprises X-axis sensor 71, Y-axis sensor 72, Z axis sensor 73, main shaft sensor 74 etc.Each sensor is connected with the input interface 65 of control module 6.X-axis sensor 71 and Y-axis sensor 72 detect the position of the X-direction of workbench 15 and Y direction respectively.The position of the Z-direction of 73 couples of main shaft 2b of Z axis sensor is detected.The rotating speed of 74 couples of main shaft 2b of main shaft sensor detects.The communication that input interface 65 is exported X-axis sensor 71, Y-axis sensor 72, Z axis sensor 73 and main shaft sensor 74 is to CPU61.External input device 75 is for example personal computer, and it is the device that can generate and preserve procedure.External input device 75 outputs to control module 6 by generated procedure.Control module 6 obtains by input interface 65 procedure that external input device 75 is exported, and is stored in EEPROM64.
Lathe 1 comprises X-axis motor 81, Y-axis motor 82, Z axis motor 83, Spindle Motor 84 and Ku Mada 85 (drive division).Each motor 81～85 is connected with the output interface 66 of control module 6.X-axis motor 81 and Y-axis motor 82 drive respectively workbench 15 to move towards X-direction and Y direction.2 lifting in Z-direction of Z axis motor 83 drive shaft.Spindle Motor 84 drive shaft 2b rotations.Under the driving of Spindle Motor 84, main shaft 2b rotation, the instrument t that is installed on main shaft 2b processes workpiece.85 Driver Library main body 32 rotations of storehouse motor.
With reference to Fig. 6, operating portion 67 is described.Operating portion 67 comprises display floater 67c, data input key 67d, controls button 67e (manual operation unit) etc., can accept the manual input of procedure and the manual operation of lathe 1.Below, the manual input table of the procedure being undertaken by operating portion 67 is shown to MDI (manual data input: Manual Data Input).MDI is different from common automatic operation (carrying out continuously a plurality of modules), only carries out a module.Module refers to the line command consisting of procedure codes such as G code, M codes.The picture signal of the display frame of display floater 67c based on graphic control circuit 67b output shows image.The function that signal processing part 67a provides according to operating portion 67 forms display frame, and is outputed to display floater 67c.Signal processing part 67a accepts operator's operation by data input key 67d, and carries out the generation of the procedure based on MDI.
Control button 67e and have tool changing single action button 91, storehouse driving button 92 etc., operator can carry out manual operation to lathe 1.Tool changing single action button 91 is buttons that manual operation main tapping 2 makes its lifting when the instrument of replacing.Signal processing part 67a accepts the operation of operator to tool changing single action button 91, will be input to CPU61 for changing the move of the main tapping 2 of instrument.It is by making storehouse 31 rotations carry out the button of the carrying of manual operation handle part 4 that storehouse drives button 92.Signal processing part 67a accepts operator and storehouse is driven to the operation of button 92, and the carrying instruction of handle part 4 is input to CPU61.
With reference to Fig. 7～Figure 11, the main tapping 2 during to replacing instrument and the action of handle part 4 describe.Main tapping 2 is at ATC (automatic tool change: Automatic Tool Change) move along Z-direction between the optional position in origin position (carrying position) and machining area.Take the lower surface of main shaft 2b describes the position of main tapping 2 as benchmark.When main tapping 2 is positioned at ATC origin position, storehouse main body 32 can be rotated.Z axis origin position (position of readiness) is after replacing instrument, to make the position of main tapping 2 standbies.By making main tapping 2 lifting between ATC origin position and Z axis origin position, main shaft 2b changes installed tool retainer 5.
Fig. 8 represents that main tapping 2 is positioned at the state of machining area.Handle part 4 away from cam follower 46 and par 22b butt away from cam 22, arm 40 forms the state of side oscillations forward centered by back shaft 41.Storehouse main body 32 has circular location division 34 coaxially.Location division 34 has the circumferential lateral surface that forms vertically circular shape.The circular shape of this circumferential lateral surface is centered by back shaft 41.Location division 34 has groove 34a on the complete cycle of its axial distolateral circumferential lateral surface, on the complete cycle of its another distolateral circumferential lateral surface, has groove 34b.As shown in Figure 8, abutting part 47 is chimeric with groove 34a, comes stop arm 40 to move to front-rear direction.Fig. 9 represents that main tapping 2 rises from machining area towards P direction and is positioned at the state of Z axis origin position.Handle part 4 approach cam follower 45 and the sloping portion butt towards summit 21b from par 21a that approaches cam 21.Arm 40 swings towards the rear centered by back shaft 41, forms the state that bottom approaches main shaft 2b lower end.Control pin 43 in not chimeric with the groove 5a of tool retainer 5 state for two that are located at arm 40 bottoms, can utilize Spindle Motor 84 to make main shaft 2b rotation.Figure 10 represents the state of main tapping 2 from Z axis origin position further rises towards P direction.Handle part 4 approach cam follower 45 and the summit 21b butt that approaches cam 21.The posture that arm 40 forms centered by back shaft 41, Chao rear, bottom swings.Two groove 5a that control pin 43 and tool retainer 5 that are located at arm 40 bottoms are chimeric, form the state that tool retainer 5 is controlled.Abutting part 47 is chimeric with groove 34b, comes stop arm 40 to move to front-rear direction.Figure 11 represents that main tapping 2 rises to the state of ATC origin position.The approaching cam follower 45 and depart from respectively and approach cam 21 and away from cam 22 away from cam follower 46 of handle part 4.Arm 40 maintains the posture that Chao rear, its bottom swings.Abutting part 47 is chimeric with groove 34b, comes stop arm 40 to move to front-rear direction.Two groove 5a that control pin 43 and tool retainer 5 are chimeric, and tool retainer 5 is controlled.By making main tapping 2 rise to ATC origin position, tool retainer 5 in Z-direction away from main shaft 2b.Under this state, storehouse main body 32 can be avoided, with main tapping 2, mechanicalness occurs and be rotated interferingly.According to the instruction from control module 6, Ku Mada 85 makes storehouse main body 32 rotation, thus the tool retainer 5 that will be installed on main shaft 2b be transported to main shaft 2b under.Main tapping 2 declines towards Q direction, according to the order of the reversed in order with Fig. 8～Figure 11, instrument is installed on to main shaft 2b.The main tapping 2 that is positioned at as shown in figure 11 ATC origin position is declined towards Q direction.When main tapping 2 declines as shown in figure 10, away from cam follower 46, start the bottom butt with the 22a of conical surface portion away from cam 22.Tool retainer 5 is chimeric with the instrument retaining hole of being located at main shaft 2b bottom.Main tapping further drops to Z axis origin position (position shown in Fig. 9) towards Q direction.As shown in Figure 9, the pars intermedia butt with the 22a of conical surface portion away from cam 22 away from cam follower 46.The bottom of arm 40 is released towards below, controls pin 43 for two and departs from the groove 5a of tool retainer 5.Tool retainer 5 is fixed on main shaft 2b by draw bar.Main tapping is further declined towards Q direction, as shown in Figure 8, move it the optional position in machining area.
With reference to Figure 12, the example by the MDI procedure that manually input generates is described.Operator operates data input key 67d, Yi Bian confirm the information that display floater 67c demonstrates, Yi Bian generate procedure.Procedure shown in Figure 12 has M6T12 instruction.M6 is the instruction of replacing instrument, after specifically making main tapping 2 rise to ATC origin position, making storehouse main body 32 rotation, make main tapping 2 drop to the instruction of Z axis origin position again.T12 representational tool numbering 12.According to T12, the handle part 4 that storehouse main body 32 is numbered the instrument of controlling 12 instrument is transported to the replacing position under main shaft 2b.
With reference to Figure 13, tool information is described.As mentioned above, in EEPROM64, store tool information.Tool information has instrument numbering, tool sizes, instrument classification, could change various information corresponding to the handle part numbering in storehouse 31.Handle part numbering is serial number.Instrument numbering is the numbering that each instrument t has.The size of tool sizes representational tool t.The size of instrument t be for example from tool retainer 5 with bearing surface main shaft 2b lower surface butt till the size of instrument t front end.Instrument classification represents conventional tool t1 or large footpath instrument t2.Whether could change expression can number represented handle part 4 to handle part and carry out tool changing.In the example of the tool information shown in Figure 13, it is large footpath instrument that handle part is numbered the instrument t that 4 handle part controls, and the handle part corresponding to adjacent numbering 3 and numbering 5, stores the information that cannot change instrument.
With reference to Figure 14, the CPU61 of control module 6 is carried out, the control of tool changing single action button 91 while pressing processes and describes.CPU61 judges tool changing single action button 91 (with reference to Fig. 6) whether be pressed (step S1).The input signal of signal processing part 67a based on from operating portion 67 judges whether tool changing single action button 91 is pressed.When being judged as tool changing single action button 91 and not being pressed (S1: no), CPU61 returns to step S1, and repeatedly judges.When being judged as tool changing single action button 91 and being pressed (S1: be), CPU61 judges whether the Z axis position of main tapping 2 is positioned at ATC origin position below (step S2).When being judged as, be positioned at ATC origin position when below (S2: be), CPU61 sends and makes main tapping 2 rise to the instruction of ATC origin position towards Z axis motor 83 (with reference to Fig. 5), thereby makes main tapping 2 move to ATC origin position (step S3).The instruction of Z axis motor 83 based on from CPU61, makes main tapping 2 move to ATC origin position.CPU61 is after step S3, and finishing control is processed.When being judged as, be not positioned at ATC origin position when below (S2: no), CPU61 transfers to the decline of main tapping 2 and processes (step S4).
With reference to Figure 15, the decline of main tapping 2 is processed and described.CPU61 reads tool information (with reference to Figure 13) (step S11) from EEPROM64.CPU61 judgement with current be transported to that handle part 4 that handle part 4 under main shaft 2b is adjacent controls whether have a large footpath instrument (step S12).CPU61 carries out the judgement of step S12 by information relevant to instrument classification in tool information.For example, if what current, be transported to handle part 4 under main shaft 2b is numbered 2, CPU61 is judged as that adjacent handle part 4 controls does not have large footpath instrument, if what current, be transported to handle part 4 under main shaft 2b is numbered 3, and CPU61 is judged as that adjacent handle part 4 controls large footpath instrument.When be judged as that adjacent handle part 4 controls there is no large footpath instrument time (S12: no), CPU61 sends and makes main tapping 2 drop to the instruction of Z axis origin position towards Z axis motor 83, thereby makes main tapping 2 move to Z axis origin position (step S13).The instruction of Z axis motor 83 based on from CPU61, makes main tapping 2 move to Z axis origin position.When be judged as that adjacent handle part 4 controls have large footpath instrument time (S12: be), CPU61 forbids that main tapping 2 declines, by the warning devices such as buzzer (not shown) give the alarm (step S14).CPU61, after step S13 and S14, finishes the decline of main tapping 2 and processes, and return to the flow chart shown in Figure 14 and finishing control processing.In the step S12 shown in Figure 15, by information relevant to instrument classification in tool information, judge, but also can be with judging to could replacing instrument relevant information.Now, CPU61 judges and could carry out tool changing to the current handle part 4 being transported under main shaft 2b with tool information in step S12.When CPU61 is judged as can carry out tool changing time, transfer to step S13, make main tapping 2 drop to Z axis origin position.When CPU61 is judged as cannot carry out tool changing time, forbid that main tapping 2 declines, transfer to step S14 and give the alarm.
With reference to Figure 16 to carry out the MDI shown in Figure 12 and generate procedure time control process and describe.The CPU61 that starts to carry out M6T12 instruction sends and makes main tapping 2 rise to the instruction of ATC origin position towards Z axis motor 83, thereby makes main tapping 2 move to ATC origin position (step S21).The instruction of Z axis motor 83 based on from CPU61, makes main tapping 2 move to ATC origin position.CPU61 reads tool information (step S22) from EEPROM64.Owing to being T12, therefore, CPU61 sends the instruction that 2 handle part 4 is transported to the replacing position under main shaft 2b that is numbered that the instrument of controlling is numbered to 12 instrument towards storehouse motor 85, thereby makes 32 rotations (step S23) of storehouse main body.The instruction of storehouse motor 85 based on from CPU61 makes 32 rotations of storehouse main body.Then, CPU61 carries out the decline processing (step S24) of main tapping 2.The decline that CPU61 carries out step S24 according to the treatment step shown in Figure 15 is processed.As mentioned above, according to the step shown in Figure 15, when the adjacent handle part 4 of the handle part 4 with being positioned at the replacing position under main shaft 2b is being controlled large footpath instrument, CPU61 forbids the decline of main tapping 2 and gives the alarm.
With reference to Figure 17, the return action when forbidding that main tapping 2 declines describes.CPU61 reads tool information (step S31) from EEPROM64, and searching the instrument that adjacent handle part 4 controls is not the handle part 4 of large footpath instrument, determines a handle part (step S32).CPU61 sends the instruction that a handle part 4 of determining is transported to the replacing position under main shaft 2b towards storehouse motor 85, thereby makes 32 rotations (step S33) of storehouse main body.The instruction of storehouse motor 85 based on from CPU61 makes 32 rotations of storehouse main body.CPU61 sends and makes main tapping 2 drop to the instruction of Z axis origin position towards Z axis motor 83, thereby makes main tapping 2 move to Z axis origin position (step S34).The instruction of Z axis motor 83 based on from CPU61, makes main tapping 2 move to Z axis origin position.
Above, according to present embodiment, in storehouse 31, be arranged with a plurality of handle parts 4 of controlling instrument t, handle part 4 be transported to the replacing position under the main shaft 2b of replacing instrument t.Main tapping 2 is installed on main shaft 2b by instrument t workpiece is processed.The CPU61 of control module 6 controls, and between the ATC origin position (carrying position) that makes the position of main tapping 2 in main tapping 2 can the machining area of processing works and storehouse 31 can carry handle part 4, moves.Lathe 1 moves between the position of main tapping 2 in machining area and ATC origin position by making, and the instrument t that is installed on the main shaft 2b of main tapping 2 can be replaced by other instrument.EEPROM64 corresponding in a plurality of handle parts 4 each and store the information that the instrument of controlling according to handle part 4 forbids controlling at adjacent handle part 4 instrument t.Particularly, EEPROM64 corresponding in a plurality of handle parts 4 each and store any information of whether controlling in conventional tool t1 and large footpath instrument t2.CPU61 judge handle part 4 that EEPROM64 stores the information (the information of holding large footpath instrument t2) of forbidding controlling instrument t whether be positioned at that to change the handle part 4 of position adjacent.When being judged as when adjacent, CPU61 forbids that the position in main tapping 2 is from ATC origin position towards machining area moves.Therefore, when forbidding controlling the handle part 4 of instrument t, be positioned at while changing position, lathe 1 forbids that the position in main tapping 2 is from ATC origin position towards machining area moves, thereby can avoid the mechanicalness producing because of replacing instrument to interfere.
According to present embodiment, EEPROM64 corresponding in a plurality of handle parts 4 each and store and forbid that handle part 4 controls the information of instrument.Particularly, EEPROM64 corresponding in a plurality of handle parts 4 each and store the information that could change instrument.CPU61 judges whether handle part 4 that EEPROM64 stores the information of forbidding controlling instrument t is positioned at and changes position.When being judged as, be positioned at while changing position, CPU61 forbids that the position in main tapping 2 is from ATC origin position towards machining area moves.Therefore, when forbidding controlling the handle part 4 of instrument t, be positioned at while changing position, lathe 1 forbids that the position in main tapping 2 is from ATC origin position towards machining area moves, thereby can avoid the mechanicalness producing because of replacing instrument to interfere.
According to present embodiment, utilize operating portion 67, the control that makes CPU61 that the position of main tapping 2 in from ATC origin position towards machining area moved.Therefore, lathe 1 is in the situation that move the position of main tapping 2 in from ATC origin position towards machining area by operating portion 67, also can prevent that the mechanicalness producing because of replacing instrument from interfering.
According to present embodiment, the Ku Mada 85 in storehouse 31 is by making main body 32 rotations in storehouse carry handle part 4.CPU61 makes main tapping 2 move towards ATC origin position from the position in machining area, send the instruction of carrying handle part 4 towards storehouse motor 85 after, and the control that the position of main tapping 2 in from ATC origin position towards machining area moved.Therefore, lathe 1 utilizes CPU61 to carry out the control of position in machining area and the action of the tool changing between ATC origin position, can prevent that the mechanicalness in tool changing action from interfering.
According to present embodiment, the Ku Mada 85 in storehouse 31 is by making main body 32 rotations in storehouse carry handle part 4.CPU61 make main tapping 2 from position of readiness for example Z axis origin position towards ATC origin position, move, send the instruction of carrying handle part 4 towards storehouse motor 85 after, the control that main tapping 2 is moved towards Z axis origin position from ATC origin position, wherein, above-mentioned position of readiness is set between machining area and ATC origin position.Therefore, lathe 1 utilizes CPU61 to carry out the control of the tool changing action between Z axis origin position and ATC origin position, can prevent that the mechanicalness in tool changing action from interfering.
According to present embodiment, a plurality of handle parts 4 are arranged in the lathe 1 in circular storehouse 31 comprising, can prevent that the mechanicalness producing because of replacing instrument from interfering.
In the present embodiment, each handle part 4 swings respectively independently, but also each handle part can be fixed on to tool storage room, makes this tool storage room Integral swinging.
Claims (9)
1. a lathe (1), comprising:
Storehouse (31) is arranged with a plurality of handle parts that instrument is controlled (4) in this storehouse, and it can be transported to described handle part the replacing position of replacing instrument;
Processing department (2), this processing department is provided with instrument, can process workpiece; And
Control part (61), this control part makes control mobile between the position of described processing department in machining area and carrying position, position in described machining area is the position of described processing department energy processing work, and described carrying position is the position that described handle part can be carried in described storehouse
This lathe makes mobilely between the position of described processing department in described machining area and carrying position to being installed on the instrument of described processing department, to change,
It is characterized in that, comprising:
Storage part (64), each in this storage part and a plurality of described handle part accordingly, stores the information of forbidding controlling at adjacent handle part instrument;
Judging part (61), whether the handle part that this judging part judgement stores the information of forbidding the instrument of controlling in described storage part is adjacent with the handle part that is positioned at described replacing position; And
Prohibition unit, when described judging part is judged as when adjacent, this prohibition unit forbids that the position in described processing department is from described carrying position towards described machining area moves.
2. a lathe, comprising:
Storehouse is arranged with a plurality of handle parts that instrument is controlled in this storehouse, and it can be transported to described handle part the replacing position of replacing instrument;
Processing department, this processing department is provided with instrument, can process workpiece; And
Control part, this control part makes control mobile between the position of described processing department in machining area and carrying position, position in described machining area is the position of described processing department energy processing work, and described carrying position is the position that described handle part can be carried in described storehouse
This lathe makes mobilely between the position of described processing department in described machining area and carrying position to being installed on the instrument of described processing department, to change,
It is characterized in that, comprising:
Storage part, each in this storage part and a plurality of described handle part accordingly, stores the information of forbidding controlling at this handle part instrument;
Judging part, whether the handle part that this judging part judgement stores the information of forbidding the instrument of controlling in described storage part is positioned at described replacing position; And
Prohibition unit, is positioned at while changing position when described judging part is judged as, and this prohibition unit forbids that the position in described processing department is from described carrying position towards described machining area moves.
3. lathe as claimed in claim 1, is characterized in that,
Comprise manual operation unit (67e), this manual operation unit makes described control part make described processing department from described carrying position, move to the control of the position in described machining area.
4. lathe as claimed in claim 2, is characterized in that,
Comprise manual operation unit, this manual operation unit makes described control part make described processing department from described carrying position, move to the control of the position in described machining area.
5. the lathe as described in any one in claim 1～4, is characterized in that,
Described storehouse has the drive division (85) of the described handle part of carrying,
Described control part makes described processing department move to described carrying position from the position in described machining area, and after described drive division sends the instruction of the described handle part of carrying, make described processing department from described carrying position, move to the control of the position in described machining area.
6. the lathe as described in any one in claim 1～4, is characterized in that,
Described storehouse has the drive division of the described handle part of carrying,
Described control part makes described processing department move to described carrying position from the position of readiness being set between described machining area and described carrying position, and after described drive division sends the instruction of the described handle part of carrying, make described processing department from described carrying position, move to the control of described position of readiness.
7. the lathe as described in any one in claim 1～4, is characterized in that,
Described storehouse is arranged in circular by a plurality of described handle parts.
8. lathe as claimed in claim 5, is characterized in that,
Described storehouse is arranged in circular by a plurality of described handle parts.
9. lathe as claimed in claim 6, is characterized in that,
Described storehouse is arranged in circular by a plurality of described handle parts.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
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| JP2013-070252 | 2013-03-28 | ||
| JP2013070252A JP6322896B2 (en) | 2013-03-28 | 2013-03-28 | Machine Tools |
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| Publication Number | Publication Date |
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| CN104070394A true CN104070394A (en) | 2014-10-01 |
| CN104070394B CN104070394B (en) | 2017-09-08 |
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| CN106553075A (en) * | 2015-09-29 | 2017-04-05 | 发那科株式会社 | Tool replacing apparatus |
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| JP6729329B2 (en) * | 2016-11-29 | 2020-07-22 | ブラザー工業株式会社 | Machine Tools |
| JP6853231B2 (en) * | 2018-11-19 | 2021-03-31 | ファナック株式会社 | Gripping device and system |
| CN113118835B (en) * | 2021-03-26 | 2022-09-20 | 科益展智能装备有限公司 | Auxiliary tool magazine, numerical control machining equipment, tool changing control method and system |
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Also Published As
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| CN104070394B (en) | 2017-09-08 |
| JP6322896B2 (en) | 2018-05-16 |
| JP2014193494A (en) | 2014-10-09 |
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