CN101986225A - Control method of prevention of count errors in bamboo hat automatic tool changer (ATC) of vertical machining centre - Google Patents

Control method of prevention of count errors in bamboo hat automatic tool changer (ATC) of vertical machining centre Download PDF

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Publication number
CN101986225A
CN101986225A CN 201010548013 CN201010548013A CN101986225A CN 101986225 A CN101986225 A CN 101986225A CN 201010548013 CN201010548013 CN 201010548013 CN 201010548013 A CN201010548013 A CN 201010548013A CN 101986225 A CN101986225 A CN 101986225A
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Prior art keywords
cutter
tool
tool changing
mark
interrupted
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CN101986225B (en
Inventor
蔡向华
张军宁
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NINGBO HANVOS MACHINERY CO Ltd
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NINGBO HANVOS MACHINERY CO Ltd
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Priority to CN2010105480134A priority Critical patent/CN101986225B/en
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Abstract

The invention relates to a control method for prevention of count errors in a bamboo hat automatic tool changer (ATC) of a vertical machining centre, comprising the following steps: (1), according to the general tool change logic flow, marking and processing different conditions occurred after each work step is interrupted, and marking whether the count errors exist after tool change is interrupted; (2) when the tool change procedure starts, reading whether the count error marks exist; (3) if no count error marks exist, moving a Z axis to the position of a tool change point, orienting a main spindle, moving the ATC in and returning a tool to the ATC, and unloading the main spindle; and (4) moving the Z axis to a position for tool change, enabling the ATC to rotate to search a target tool number, enabling the Z axis to reach the position of the tool change point, fastening the main spindle and refreshing a tool table, moving the ATC out, releasing the orientation of the main spindle, and finishing the tool change procedure. The method has the following advantages: when the ATC is interrupted during the tool changing process, processing is carried out to ensure that no count errors exist during the next tool change process; and during the tool changing process, even under the condition of arbitrary tool change interruption, the ATC can carry out rectification, thus realizing accurate change of the next tool.

Description

Vertical machining centre umbrella shape tool magazine is the control method of random cutter not
Technical field
The present invention relates to numerical control machining center and motion control field, especially a kind of vertical machining centre umbrella shape tool magazine is the control method of random cutter not.
Background technology
At present, use in digital control system in the machining center of umbrella shape, the exchanging knives process that most lathe producer uses rises to the process that tool changing ready position, tool magazine rotation (seeking the target cutter), Z axle drop to tool changing point position, grab cutter, tool magazine is return for going back cutter, Z axle.Do not allow to interrupt exchanging knives process in this process, otherwise random cutter phenomenon will occur, this has also increased the cost of the maintenance of manufacturer simultaneously to having brought very big inconvenience in the lathe user use.
Fig. 1 is general tool changing logical flow chart, and in this control mode, if interrupted exchanging knives process behind the tool magazine shift-in, tool magazine all will stop at the main shaft side, needs artificial intervention tool magazine could be released, and can cause random cutter under many situations.Cause processing normally to carry out, and can damage tool magazine.
Summary of the invention
The present invention will solve the shortcoming of above-mentioned prior art, and the not control method of random cutter of a kind of vertical machining centre umbrella shape tool magazine is provided.
The present invention solves the technical scheme that its technical matters adopts: this vertical machining centre umbrella shape tool magazine is the control method of random cutter not, and step is as follows:
(1), according to general tool changing logic flow, each work step is interrupted different situations that the back occurs marks and processes, whether mark interrupts after the tool changing random cutter, purpose be for the logic that makes design by normal tool changing form or carry out the program of correcting behind the random cutter.
(1.1) if interrupted at the work step of " the Z axle moves to tool changing point position ", mark is normal;
(1.2) if interrupted at the work step of " warrant stop of spindle ", mark is normal;
(1.3) if interrupted at the work step of " the tool magazine shift-in is cutter also ", use the withdrawing program that tool magazine is shifted out after, be labeled as normal condition;
(1.4) if interrupted at the work step of " main shaft pine cutter ", the random cutter of mark, tool changing stops;
(1.5) if interrupted at the work step of " the Z axle moves to the tool changing ready position ", the random cutter of mark, tool changing stops;
(1.6) if interrupted at the work step of " tool magazine rotation seek target cutter number ", the random cutter of mark, tool changing stops;
(1.7) if the work step in " Z axle arrival tool changing point position " is interrupted, the random cutter of mark, tool changing stops;
(1.8) if interrupted at the work step of " the tight cutter of main shaft also refreshes cutter table ", use the withdrawing program that tool magazine is shifted out after, be labeled as normal condition;
(1.9) if interrupted at the work step of " tool magazine shifts out ", mark is normal;
(1.10) if interrupted at the work step of " warrant stop of spindle release ", mark is normal;
(2), the tool changing program begins, and reads whether random cutter mark is arranged;
(3) if there is not random cutter mark, then the Z axle moves to tool changing point position--warrant stop of spindle--the tool magazine shift-in is cutter also--main shaft pine cutter; If random cutter mark is arranged, then the Z axle moves to tool changing point position, and--the Z axle moves to the tool changing ready position, and--the Z axle moves to tool changing point position to tool magazine shift-in--tool magazine rotation seek former cutter number--;
(4), the Z axle moves to the tool changing ready position, and--target cutter number is sought in tool magazine rotation, and--the Z axle arrives tool changing point position, and--the tight cutter of main shaft also refreshes cutter table--tool magazine shifts out--warrant stop of spindle discharges-finish the tool changing program.
Described withdrawing program step is as follows:
(1), the withdrawing program begins, and reads whether random cutter mark is arranged;
(2) if random cutter mark is arranged, then the Z axle moves to the tool changing ready position, pauses 1.5 seconds, and tool magazine shifts out, and the withdrawing program is finished then;
(3) if there is not random cutter mark, then tool magazine shifts out, and pauses 1.5 seconds, and the Z axle moves to the tool changing ready position, and the withdrawing program is finished then.
As preferably, interrupting on the flow process of tool changing, need mark tool changing commencing signal, tool changing end signal, purpose is only to act between these two signals for the logical process that makes design.
The effect that the present invention is useful is: by after being interrupted, making in ensuing tool changing not by processing can random cutter in exchanging knives process for the umbrella shape tool magazine; Can be implemented in and realize in the exchanging knives process interrupting tool changing arbitrarily, tool magazine can be corrected under random cutter, changing next cutter can accurately swap out.
Description of drawings
Fig. 1 is general tool changing logical flow chart;
Fig. 2 is that the tool changing logic interrupts and handle synoptic diagram;
Fig. 3 is a tool changing logical schematic of the present invention;
Fig. 4 is that tool magazine withdraws from logical schematic.
Embodiment
The invention will be further described below in conjunction with drawings and Examples:
Tool changing thinking of the present invention is tool changing to be got nowhere be considered as machine failure, could process after need handling well earlier.On general tool changing logic flow, after each work step interrupted, the different situations that occur are marked and process, specifically see Fig. 2.
Interrupting on the flow process of tool changing, needing mark tool changing commencing signal, tool changing end signal.These two signals use the M code in the Siemens system to realize.Be beginning tool changing signal as " M84 ", " M85 " is the tool changing end signal, refreshes cutter table simultaneously and puts in place this step at tight cutter.Therefore, can handle under the various states by the result after interrupting with table 1.
The various situations of table 1 system when being interrupted tool changing
Figure BSA00000350744200041
Situation analysis:
1. sequence number 1, sequence number 2, sequence number 9, sequence number 10: this four step is interrupted, and the tool magazine position is in the original position that puts in place of shifting out, and the main shaft cutter number equals tool magazine cutter number, cutter on the cutter table number equals main shaft cutter number, therefore, the cutter that tool changing next time can swap out normally and need is judged as normal condition.
2. sequence number 3, sequence number 8: after this two step interrupted, the main shaft cutter number equaled tool magazine cutter number, and the cutter on the cutter table number equals main shaft cutter number, but the tool magazine position not at initial position, under this state, tool changing stops the Z axle and moves and can cause tool magazine along bad.Be judged as fault, processing mode is normal condition for using the withdrawing program that tool magazine is shifted out the back
3. sequence number 4, sequence number 5, sequence number 6, sequence number 7:: after this four step interrupted, do not have cutter on the main shaft, just be not equal to tool magazine cutter number, the cutter on the cutter table number be the cutter number after the last normally tool changing, also is not equal to tool magazine cutter number.In this case, even use the withdrawing program to shift out tool magazine, the cutter that can't swap out next time and need.Be judged as random cutter state.
As from the foregoing, after having analyzed whole exchanging knives process and having interrupted the situation that tool changing need handle,, can correct even can guarantee that whole tool changing interrupts also as long as handle second kind of tool magazine fault and the random cutter of the third tool magazine well.
This vertical machining centre umbrella shape tool magazine of the present invention is the control method of random cutter not, need to detect whether random cutter of tool changing last time, is confirmed that by random cutter mark whole new tool changing logic flow is seen Fig. 3, and concrete steps are as follows:
(1), according to general tool changing logic flow, each work step is interrupted different situations that the back occurs marks and process;
(1.1) if interrupted at the work step of " the Z axle moves to tool changing point position ", mark is normal;
(1.2) if interrupted at the work step of " warrant stop of spindle ", mark is normal;
(1.3) if interrupted at the work step of " the tool magazine shift-in is cutter also ", use the withdrawing program that tool magazine is shifted out after, be labeled as normal condition;
(1.4) if interrupted at the work step of " main shaft pine cutter ", the random cutter of mark, tool changing stops;
(1.5) if interrupted at the work step of " the Z axle moves to the tool changing ready position ", the random cutter of mark, tool changing stops;
(1.6) if interrupted at the work step of " tool magazine rotation seek target cutter number ", the random cutter of mark, tool changing stops;
(1.7) if the work step in " Z axle arrival tool changing point position " is interrupted, the random cutter of mark, tool changing stops;
(1.8), be labeled as normal condition after using the withdrawing program that tool magazine is shifted out if interrupted at the work step of " the tight cutter of main shaft also refreshes cutter table ";
(1.9) if interrupted at the work step of " tool magazine shifts out ", mark is normal;
(1.10) if interrupted at the work step of " warrant stop of spindle release ", mark is normal;
(2), the tool changing program begins, and reads whether random cutter mark is arranged;
(3) if there is not random cutter mark, then the Z axle moves to tool changing point position--warrant stop of spindle--the tool magazine shift-in is cutter also--main shaft pine cutter; If random cutter mark is arranged, then the Z axle moves to tool changing point position, and--the Z axle moves to the tool changing ready position, and--the Z axle moves to tool changing point position to tool magazine shift-in--tool magazine rotation seek former cutter number--;
(4), the Z axle moves to the tool changing ready position, and--target cutter number is sought in tool magazine rotation, and--the Z axle arrives tool changing point position, and--the tight cutter of main shaft also refreshes cutter table--tool magazine shifts out--warrant stop of spindle discharges-finish the tool changing program.
Tool magazine quits a program to be needed to handle two kinds of different situations, during fault 1, over against the no cutter of the cutter of main shaft, can earlier tool magazine be shifted out on the tool magazine; During random cutter, tool magazine has cutter on the cutter of main shaft number, and main shaft is loose cutter state, needs earlier main axle moving then tool magazine to be shifted out to the tool changing ready position.Whole withdrawing logic flow is seen Fig. 4;
(1), the withdrawing program begins, and reads whether random cutter mark is arranged;
(2) if random cutter mark is arranged, then the Z axle moves to the tool changing ready position, pauses 1.5 seconds, and tool magazine shifts out, and the withdrawing program is finished then;
(3) if there is not random cutter mark, then tool magazine shifts out, and pauses 1.5 seconds, and the Z axle moves to the tool changing ready position, and the withdrawing program is finished then.
Embodiment 1: Siemens 802S/C does not have address signal mutual between PLC and the NCK, therefore, is judging that whether the record tool magazine must can only handle in the realization of random cutter and new tool changing logic on PLC.802D has the interface IP address between PLC and the NCK, realizes but can use with a kind of method.
After interrupting tool changing, the tool changing macroprogram:
%_N_L6_MPF
;$PATH=/_N_MPF_DIR
;IF?$P_ISTEST?GOTOF?END
IF?$P_TOOLNO==$P_TOOLP?GOTOF?END1
;IF?$P_TOOLNO==0?GOTOF?END2
IF?$P_TOOLP==0?GOTOF?END3
IF?$P_TOOLP>18?GOTOF?END
M85
D0?G500
G153G90G1Z=$MN_USER_DATA_FLOAT[0]F15000
M5
M90
G4F0.2
M89
M91
G4F0.2
STOPRE
M92
G4F0.8
STOPRE
G153?G90G1Z=$MN_USER_DATA_FLOAT[0]+30F2000
G153?G90G1Z=$MN_USER_DATA_FLOAT[1]F15000
M60
M93
G4F0.5
STOPRE
G153G90G1Z=$MN_USER_DATA_FLOAT[0]+30F15000
G153G90G1Z=$MN_USER_DATA_FLOAT[0]F2000
M94
STOPRE
M95
M96
STOPRE
G4F1
GOTOF?END
END1:
G4F2
GOTOF?END
END2:
G4F2
GOTOF?END
END3:
GOTOF?END
END4:
END:
M5
M87
M84
M2
%_N_L7_MPF
;$PATH=/_N_MPF_DIR
M61
G4F0.2
STOPRE
M92
G4F0.1
STOPRE
G153?G90G1Z=$MN_USER_DATA_FLOAT[0]+30F2000
G153?G90G1Z=$MN_USER_DATA_FLOAT[1]F15000
M94
END:
M5
M2
In addition to the implementation, the present invention can also have other embodiments.All employings are equal to the technical scheme of replacement or equivalent transformation formation, all drop on the protection domain of requirement of the present invention.

Claims (3)

1. the vertical machining centre umbrella shape tool magazine control method of random cutter not, it is characterized in that: step is as follows:
(1), according to general tool changing logic flow, each work step is interrupted different situations that the back occurs marks and process;
(1.1) if interrupted at the work step of " the Z axle moves to tool changing point position ", mark is normal;
(1.2) if interrupted at the work step of " warrant stop of spindle ", mark is normal;
(1.3) if interrupted at the work step of " the tool magazine shift-in is cutter also ", use the withdrawing program that tool magazine is shifted out after, be labeled as normal condition;
(1.4) if interrupted at the work step of " main shaft pine cutter ", the random cutter of mark, tool changing stops;
(1.5) if interrupted at the work step of " the Z axle moves to the tool changing ready position ", the random cutter of mark, tool changing stops;
(1.6) if interrupted at the work step of " tool magazine rotation seek target cutter number ", the random cutter of mark, tool changing stops;
(1.7) if the work step in " Z axle arrival tool changing point position " is interrupted, the random cutter of mark, tool changing stops;
(1.8) if interrupted at the work step of " the tight cutter of main shaft also refreshes cutter table ", use the withdrawing program that tool magazine is shifted out after, be labeled as normal condition;
(1.9) if interrupted at the work step of " tool magazine shifts out ", mark is normal;
(1.10) if interrupted at the work step of " warrant stop of spindle release ", mark is normal;
(2), the tool changing program begins, and reads whether random cutter mark is arranged;
(3) if there is not random cutter mark, then the Z axle moves to tool changing point position--warrant stop of spindle--the tool magazine shift-in is cutter also--main shaft pine cutter; If random cutter mark is arranged, then the Z axle moves to tool changing point position, and--the Z axle moves to the tool changing ready position--rotation of tool magazine shift-in-tool magazine seek former cutter number--, and the Z axle moves to tool changing point position;
(4), the Z axle moves to the tool changing ready position, and--target cutter number is sought in tool magazine rotation, and--the Z axle arrives tool changing point position, and--the tight cutter of main shaft also refreshes cutter table--tool magazine shifts out--warrant stop of spindle discharges-finish the tool changing program.
2. vertical machining centre umbrella shape tool magazine according to claim 1 is the control method of random cutter not, it is characterized in that: described withdrawing program step is as follows:
(1), the withdrawing program begins, and reads whether random cutter mark is arranged;
(2) if random cutter mark is arranged, then the Z axle moves to the tool changing ready position, pauses 1.5 seconds, and tool magazine shifts out, and the withdrawing program is finished then;
(3) if there is not random cutter mark, then tool magazine shifts out, and pauses 1.5 seconds, and the Z axle moves to the tool changing ready position, and the withdrawing program is finished then.
3. vertical machining centre umbrella shape tool magazine according to claim 1 is the control method of random cutter not, it is characterized in that: interrupting on the flow process of tool changing, needing mark tool changing commencing signal, tool changing end signal.
CN2010105480134A 2010-11-09 2010-11-09 Control method of preventing error in bamboo hat automatic tool changer (ATC) of vertical machining centre Expired - Fee Related CN101986225B (en)

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Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103381564A (en) * 2013-06-24 2013-11-06 邹善福 Automatic correction method and system for tool disordering of tool magazine
CN103481099A (en) * 2013-09-17 2014-01-01 宁波海天精工股份有限公司 Safe and anti-collision tool-changing control method for numerical-control machining center
TWI577494B (en) * 2015-02-10 2017-04-11 Tool automatic troubleshooting device and operation method thereof
CN113134750A (en) * 2021-04-22 2021-07-20 新代科技(苏州)有限公司 Method for optimizing tool changing of drilling and tapping tool magazine by utilizing M200
CN113703393A (en) * 2021-07-12 2021-11-26 珠海格力电器股份有限公司 Tool changing point setting method and device of numerical control machine tool
CN113829105A (en) * 2021-09-16 2021-12-24 珠海格力智能装备有限公司 Tool magazine zero-returning control method and device, processor, storage medium and machine tool equipment
CN113843645A (en) * 2021-11-29 2021-12-28 沈阳机床(集团)有限责任公司 Tool changing control method and control system for robot tool magazine
CN113829105B (en) * 2021-09-16 2024-05-03 珠海格力智能装备有限公司 Tool magazine return-to-zero control method, device, processor, storage medium and machine tool equipment

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1142424A (en) * 1995-04-07 1997-02-12 丰和工业株式会社 Tool changing method for machining center and apparatus for carrying out the same
US5928120A (en) * 1996-11-19 1999-07-27 Brother Kogyo Kabushiki Kaisha Method and apparatus for exchanging tools in a machine tool with locking grippers
CN101804472A (en) * 2009-02-17 2010-08-18 鸿富锦精密工业(深圳)有限公司 Cutter replacing equipment and cutter replacing method

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1142424A (en) * 1995-04-07 1997-02-12 丰和工业株式会社 Tool changing method for machining center and apparatus for carrying out the same
US5928120A (en) * 1996-11-19 1999-07-27 Brother Kogyo Kabushiki Kaisha Method and apparatus for exchanging tools in a machine tool with locking grippers
CN101804472A (en) * 2009-02-17 2010-08-18 鸿富锦精密工业(深圳)有限公司 Cutter replacing equipment and cutter replacing method

Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103381564A (en) * 2013-06-24 2013-11-06 邹善福 Automatic correction method and system for tool disordering of tool magazine
CN103481099A (en) * 2013-09-17 2014-01-01 宁波海天精工股份有限公司 Safe and anti-collision tool-changing control method for numerical-control machining center
CN103481099B (en) * 2013-09-17 2015-09-02 宁波海天精工股份有限公司 A kind of numerical control machining center tool change control method of anticollision
TWI577494B (en) * 2015-02-10 2017-04-11 Tool automatic troubleshooting device and operation method thereof
CN113134750A (en) * 2021-04-22 2021-07-20 新代科技(苏州)有限公司 Method for optimizing tool changing of drilling and tapping tool magazine by utilizing M200
CN113703393A (en) * 2021-07-12 2021-11-26 珠海格力电器股份有限公司 Tool changing point setting method and device of numerical control machine tool
CN113829105A (en) * 2021-09-16 2021-12-24 珠海格力智能装备有限公司 Tool magazine zero-returning control method and device, processor, storage medium and machine tool equipment
CN113829105B (en) * 2021-09-16 2024-05-03 珠海格力智能装备有限公司 Tool magazine return-to-zero control method, device, processor, storage medium and machine tool equipment
CN113843645A (en) * 2021-11-29 2021-12-28 沈阳机床(集团)有限责任公司 Tool changing control method and control system for robot tool magazine
CN113843645B (en) * 2021-11-29 2022-03-01 沈阳机床(集团)有限责任公司 Tool changing control method and control system for robot tool magazine

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