CN103231277B - Mechanical sensing and controlling system of computerized numerical control (CNC) lathe for accelerating thread cutting circular machining - Google Patents
Mechanical sensing and controlling system of computerized numerical control (CNC) lathe for accelerating thread cutting circular machining Download PDFInfo
- Publication number
- CN103231277B CN103231277B CN201310133407.7A CN201310133407A CN103231277B CN 103231277 B CN103231277 B CN 103231277B CN 201310133407 A CN201310133407 A CN 201310133407A CN 103231277 B CN103231277 B CN 103231277B
- Authority
- CN
- China
- Prior art keywords
- unit
- snap
- thread cutting
- action
- cnc lathe
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 238000005520 cutting process Methods 0.000 title claims abstract description 27
- 238000003754 machining Methods 0.000 title abstract description 10
- 230000007246 mechanism Effects 0.000 claims abstract description 15
- 238000003860 storage Methods 0.000 claims abstract description 11
- 230000001360 synchronised effect Effects 0.000 claims abstract description 9
- 230000001133 acceleration Effects 0.000 claims description 8
- 230000005622 photoelectricity Effects 0.000 claims description 7
- 238000006073 displacement reaction Methods 0.000 claims description 6
- 238000004088 simulation Methods 0.000 claims description 3
- 238000000034 method Methods 0.000 abstract description 9
- 230000008569 process Effects 0.000 abstract description 9
- 230000000694 effects Effects 0.000 abstract description 2
- 230000009471 action Effects 0.000 description 19
- 238000007514 turning Methods 0.000 description 12
- 238000010586 diagram Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000013011 mating Effects 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 238000005457 optimization Methods 0.000 description 2
- 238000002360 preparation method Methods 0.000 description 2
- 238000000354 decomposition reaction Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000004044 response Effects 0.000 description 1
Landscapes
- Numerical Control (AREA)
Abstract
The invention relates to a mechanical sensing and controlling system of a computerized numerical control (CNC) lathe for accelerating thread cutting circular machining. A cutter position sensing apparatus is used for dynamically capturing actual machine cutter positions when a user performs thread cutting circular machining and comprises a photoelectric signal position converter, a single-section actual position storage unit, a fast moving single-section surplus distance measuring unit and a sensor synchronous signal sending unit. A CNC lathe mechanism control device is used for controlling the operation of machine cutters and detecting synchronous signals sent by the control device itself or an external cutter position sensing apparatus during thread cutting circular machining to produce a synchronous fast locating effect and comprises a fast moving single-section end and synchronous target position informing unit, an accelerating and deceleration characteristic and servo lag estimation unit, a control synchronous signal sending unit, a synchronous signal receiving unit, an interpolation arithmetic unit and a motor drive unit. By means of the mechanical sensing and controlling system, a process of circulation of thread cutting at fast locating moving is accelerated effectively, and the whole machining efficiency is improved.
Description
Technical field
The present invention relates to a kind of CNC lathe machinery sensing and the control system of accelerating thread cutting circulation processing.
Background technology
Due to the workpiece that lathe is mostly simple in order to machining shape, symmetrical, therefore program is mostly manual compiling is main.But, in order to manual compiling program code is convenient, therefore develops the instruction of much processing, to simplify the complexity of manual compiling, lower the incidence of misprogrammed simultaneously.Wherein again with workpiece such as turning screws, the thread turning recursion instruction used is one of instruction the most often used.Generally speaking, due to the consideration of cutter life and all factors of crudy, thread cutting all needs thread turning circulation repeatedly, according to the feeding depth specified by each turning circulation, progressively deepens the turning degree of depth, can make designed thread workpiece by car.As shown in Figure 1, thread turning once circulates its detailed movement decomposition:
Action one: before circulation first by cutter quick position to 1A point (starting point);
Action two: moving cutting tool drops to and specifies turning degree of depth 1B point fast, to contact the action that bar prepares to carry out thread cutting;
Action three: utilize main shaft to clamp bar and rotate and the mating of linear axes Z axis feed rate, by cutter by the turning of 1B point to 1C point, to get on the bus at bar cut out the spiral lines of a circle circle;
Action four: according to specified withdrawing distance and withdrawing angle, cutter is pulled away from surface of the work fast, until cutter returns starting point height, is and cutter is returned 1E point by 1C point warp to 1D point;
Action five: cutter returns 1A point (starting point) preparation turning do action next time by 1E point fast.
The lathe overwhelming majority has the characteristic of mass-produced demand and rapid processing, therefore for the integration of electro-mechanical parts and the adjustment of machined parameters, just becomes knowledge very important in industry.But the factors such as the restriction of board mechanism characteristics, principal axis motor rotation speed, tool category, processing bar, all will affect machined parameters setting value, the on-the-spot practical experience of the person that usually must rely on lathe process, by suitable adjustment to shorten the overall processing time, obtains good working (machining) efficiency.And previously described thread cutting circulation action, its overall processing time is made up of car tooth time and quick position time two parts.The time of car tooth section, primarily of the speed of mainshaft and tooth apart from determined, but will determine the workpiece external form that institute's car is made due to the setting of tooth distance, be therefore all by improving the speed of mainshaft to add express tooth speed.In addition, also the moving condition such as speed, acceleration, acceleration that can bear of axis each with board is relevant the time of quick position.Therefore be all via board mechanism repeatedly and parameter adjustment, to obtain acceptable crudy and working (machining) efficiency.
Summary of the invention
The object of the invention is the deficiency overcoming prior art existence, a kind of CNC lathe machinery sensing and the control system of accelerating thread cutting circulation processing are provided.
Object of the present invention is achieved through the following technical solutions:
Accelerate CNC lathe machinery sensing and the control system of thread cutting circulation processing, feature is: at least comprise a tool position sensing apparatus and a CNC lathe mechanism controls device, and described tool position sensing apparatus comprises a photoelectricity signal position converter, a single-unit physical location storage element, a snap-action single-unit Distance Remaining measuring unit and a sensor with dynamic signal transmitting element; Described CNC lathe mechanism controls device comprises a snap-action single-unit terminal and estimates unit, a controller with dynamic signal transmitting element, together dynamic signal reception unit, an interpolation operation device and a motor drive unit with moving-target position informing unit, an acceleration and deceleration characteristic and servo are backward;
Tool position sensing apparatus is set up on CNC lathe bench, accept the pulse simulation signal of outside board entity axis, input to photoelectricity signal position converter and be converted into positional information, dynamically to grasp actual tool position in real time and current tool position is embedded in single-unit physical location storage element, actual displacement is transferred to snap-action single-unit Distance Remaining measuring unit simultaneously, on the other hand, CNC lathe mechanism controls device, then by snap-action single-unit terminal and with moving-target position informing unit, by the target moving distance of the current quick mobile single-unit run on board, synchronous transfer is to snap-action single-unit Distance Remaining measuring unit, then, snap-action single-unit Distance Remaining measuring unit then receive by single-unit physical location storage element and snap-action single-unit terminal with the actual displacement of moving-target position informing unit and target moving distance, until after the safe altitude reaching and depart from workpiece detected really by the cutter on board, notify that sensor is with dynamic signal transmitting element immediately, transmit together dynamic signal and move signal reception unit to same, the each axial same emotionally shape of interpolation operation device planning, the movement of board entity axis is finally driven by motor drive unit.
The substantive distinguishing features that technical solution of the present invention is outstanding and significant progress are mainly reflected in:
Move the motion principle of locating by axially same, utilization is the quick same mode moved axially, by location path optimization, reducing positioning time, when not lowering positioning precision, can significantly improving the working (machining) efficiency of overall thread cutting circulation.Be widely used on CNC lathe, effectively can accelerate the process that thread cutting circulation performs quick position movement, and then reach the object improving overall processing usefulness, save unnecessary energy resource consumption, save process time, reduce production cost.
Accompanying drawing explanation
Below in conjunction with accompanying drawing, technical solution of the present invention is described further:
Fig. 1: the thread cutting circulation action schematic diagram of background technology;
Fig. 2: thread cutting circulation action schematic diagram of the present invention;
Fig. 3: the organigram of CNC lathe machinery sensing of the present invention and control system.
Detailed description of the invention
Due in the circulation of car tooth, there is repeatedly the demand of quick position.And general quick position motion, due to the cause of orientation often must be switched, deceleration phenomenon must be there is at corner-connecting place.And in thread cutting circulation process, because there is many quick position actions, cause too much acceleration and deceleration frequently, cause processing inefficiency.The present invention passes through, axially with the motion principle of dynamic location, to reduce positioning time, when not lowering positioning precision, can significantly improving the working (machining) efficiency of overall thread cutting circulation.
As shown in Figure 3, accelerate CNC lathe machinery sensing and the control system of thread cutting circulation processing, at least comprise tool position sensing apparatus 31 and a CNC lathe mechanism controls device 32, described tool position sensing apparatus 31 comprises photoelectricity signal position converter 311, single-unit physical location storage element 312, snap-action single-unit Distance Remaining measuring unit 313 and the same dynamic signal transmitting element 314 of a sensor; Described CNC lathe mechanism controls device 32 comprises a snap-action single-unit terminal and falls behind with moving-target position informing unit 321, acceleration and deceleration characteristic and servo estimates unit 322, controller with dynamic signal transmitting element 323, together dynamic signal reception unit 324, interpolation operation device 325 and a motor drive unit 326;
Tool position sensing apparatus 31 Main Function is that Motion capture user adds man-hour in thread cutting circulation, actual board tool position, its photoelectricity signal position converter 311, in order to accept the analog signals such as the pulse of outside board entity axis, is converted into positional information; Single-unit physical location storage element 312, records current tool position; Snap-action single-unit Distance Remaining measuring unit 313, in order to determine that sensor sends opportunity with dynamic signal; Sensor, with dynamic signal transmitting element 314, sends the same dynamic signal of sensor side to same dynamic signal reception unit 324.
CNC lathe mechanism controls device 32 Main Function runs for controlling board cutter, and add man-hour in thread cutting circulation, if detecting control device itself or external cutter position sensing apparatus sends with dynamic signal, the effect with dynamic quick position can be produced, its snap-action single-unit terminal with moving-target position informing unit 321, the axial target shift position of notice sensor and the current quick mobile single-unit of controller itself; One acceleration and deceleration characteristic and servo fall behind estimates unit 322, by calculating each axial servo trail of quick moving movement, to avoid directly ordering planning to cause the phenomenon that collides; Controller is with dynamic signal transmitting element 323, and the same dynamic signal of transmit control device end is to same dynamic signal reception unit 324; With dynamic signal reception unit 324, in order to receive the same dynamic signal transmitted from sensor side or controller end; Interpolation operation device 325, plans each axial same emotionally shape; Motor drive unit 326, to drive the movement of board entity axis.
Tool position sensing apparatus 31 is set up on CNC lathe bench, accept the pulse simulation signal of outside board entity axis, input to photoelectricity signal position converter 311 and be converted into positional information, dynamically to grasp actual tool position in real time and current tool position is embedded in single-unit physical location storage element 312, actual displacement is transferred to snap-action single-unit Distance Remaining measuring unit 313 simultaneously, on the other hand, CNC lathe mechanism controls device 32, then by snap-action single-unit terminal and with moving-target position informing unit 321, by the target moving distance of the current quick mobile single-unit run on board, synchronous transfer is to snap-action single-unit Distance Remaining measuring unit 313, then, snap-action single-unit Distance Remaining measuring unit 313 receive by single-unit physical location storage element 312 and snap-action single-unit terminal with the actual displacement of moving-target position informing unit 321 and target moving distance, until after the safe altitude reaching and depart from workpiece detected really by the cutter on board, notify that sensor is with dynamic signal transmitting element 314 immediately, transmit together dynamic signal and move signal reception unit 324 to same, each axial same emotionally shape planned by interpolation operation device 325, the last movement being driven board entity axis by motor drive unit 326.
Utilize axially fast with dynamic mode, by location path optimization, to shorten process time.It is realized with control system by above-mentioned CNC lathe machinery sensing axially fast with dynamic process.As shown in Figure 2, thread cutting circulation course of action is as follows:
Action one: before circulation first by cutter quick position to 2A point (starting point);
Action two: moving cutting tool drops to and specifies turning degree of depth 2B point fast, to contact the action that bar prepares to carry out thread cutting;
Action three: utilize main shaft to clamp bar and rotate and the mating of linear axes Z axis feed rate, by cutter by the turning of 2B point to 2C point, to get on the bus at bar cut out the spiral lines of a circle circle;
Action four: according to the withdrawing distance specified by user and withdrawing angle, cutter is pulled away from surface of the work to 2D point fast by 2C point, now just produces axially with dynamic instruction, until cutter returns starting point height 2E point;
Action five: cutter moves fast by 2E point to 2F point, now just produces axially with dynamic instruction, and cutter is returned 2G point (new starting point) preparation turning do action next time by 2F point fast.
Fig. 2 to illustrate by 2C point through 2D point to the operation principles of 2E point.In addition, by 2E point through 2F point, return 2G point (new starting point) and also follow similar operating principle.Difference is that sending same dynamic signal by the sensor in tool position sensing apparatus 31 with dynamic signal transmitting element 314 sends with moving signal with dynamic signal transmitting element 323 with the controller in CNC lathe mechanism controls device 32.Its reason comes from the dynamic characteristic of board, makes axial input command and export between response there is the backward phenomenon of servo.For overcoming this problem, previous by 2C point through 2D point to the position fixing process of 2E point, be the mode capturing actual shift position with tool position sensing apparatus 31, prevent from doing with dynamic by the mode of order planning, cause mobile and then situation about colliding ahead of time.But must according to new initial point position 2G, therefore cannot directly with by 2C point through 2D point to the identical operation principles of 2E point.Therefore its implementation, must coordinate the acceleration and deceleration characteristic in CNC lathe mechanism controls device 32 and servo to fall behind and estimate unit 322, will calculate each axial servo trail of quick moving movement to estimate the position of 2F point.When namely quick position is to where, namely should produces together dynamic signal by controller with dynamic signal transmitting element 323, deliver to interpolation operation device 325 and plan each axial same emotionally shape, finally drive the movement of board entity axis again with motor drive unit 326.
In sum, apparatus of the present invention are widely used on CNC lathe, effectively can accelerate the process that thread cutting circulation performs quick position movement, and then reach the object improving overall processing usefulness, save unnecessary energy resource consumption.
It is emphasized that: be only preferred embodiment of the present invention above, not any pro forma restriction is done to the present invention, every above embodiment is done according to technical spirit of the present invention any simple modification, equivalent variations and modification, all still belong in the scope of technical solution of the present invention.
Claims (1)
1. accelerate CNC lathe machinery sensing and the control system of thread cutting circulation processing, it is characterized in that: at least comprise a tool position sensing apparatus (31) and CNC lathe mechanism controls device (32), described tool position sensing apparatus (31) comprises a photoelectricity signal position converter (311), a single-unit physical location storage element (312), snap-action single-unit Distance Remaining measuring unit (313) and a sensor with dynamic signal transmitting element (314); Described CNC lathe mechanism controls device (32) comprises a snap-action single-unit terminal and estimates unit (322), a controller with dynamic signal transmitting element (323), together dynamic signal reception unit (324), an interpolation operation device (325) and a motor drive unit (326) with moving-target position informing unit (321), an acceleration and deceleration characteristic and servo are backward;
Tool position sensing apparatus (31) is set up on CNC lathe bench, accept the pulse simulation signal of outside board entity axis, input to photoelectricity signal position converter (311) and be converted into positional information, dynamically to grasp actual tool position in real time and current tool position is embedded in single-unit physical location storage element (312), actual displacement is transferred to snap-action single-unit Distance Remaining measuring unit (313) simultaneously, on the other hand, CNC lathe mechanism controls device (32), then by snap-action single-unit terminal and with moving-target position informing unit (321), by the target moving distance of the current quick mobile single-unit run on board, synchronous transfer is to snap-action single-unit Distance Remaining measuring unit (313), then, snap-action single-unit Distance Remaining measuring unit (313) then receive by single-unit physical location storage element (312) and snap-action single-unit terminal with the actual displacement of moving-target position informing unit (321) and target moving distance, until after the safe altitude reaching and depart from workpiece detected really by the cutter on board, notify that sensor is with dynamic signal transmitting element (314) immediately, transmit together dynamic signal and move signal reception unit (324) to same, each axial same emotionally shape planned by interpolation operation device (325), the movement of board entity axis is finally driven by motor drive unit (326).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310133407.7A CN103231277B (en) | 2013-04-17 | 2013-04-17 | Mechanical sensing and controlling system of computerized numerical control (CNC) lathe for accelerating thread cutting circular machining |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310133407.7A CN103231277B (en) | 2013-04-17 | 2013-04-17 | Mechanical sensing and controlling system of computerized numerical control (CNC) lathe for accelerating thread cutting circular machining |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103231277A CN103231277A (en) | 2013-08-07 |
| CN103231277B true CN103231277B (en) | 2015-06-03 |
Family
ID=48879384
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310133407.7A Active CN103231277B (en) | 2013-04-17 | 2013-04-17 | Mechanical sensing and controlling system of computerized numerical control (CNC) lathe for accelerating thread cutting circular machining |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103231277B (en) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103792880B (en) * | 2014-03-06 | 2016-09-21 | 苏州新代数控设备有限公司 | Promote thread turning speed and the numerical control system of machining accuracy and method thereof |
| TWI645933B (en) * | 2017-12-08 | 2019-01-01 | 財團法人工業技術研究院 | Method for confirming tool position and machine tool system |
| JP6702931B2 (en) * | 2017-12-26 | 2020-06-03 | ファナック株式会社 | Numerical control device |
| CN111857040B (en) * | 2020-07-15 | 2021-10-08 | 清华大学 | A spindle following synchronous control method for improving thread turning machining accuracy |
| CN115981211B (en) * | 2023-01-17 | 2024-09-06 | 新代科技(苏州)有限公司 | Monitoring system and monitoring method for thread processing machine |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1741873A (en) * | 2003-02-06 | 2006-03-01 | 三菱电机株式会社 | Threading control method and controller |
| CN101214622A (en) * | 2007-01-04 | 2008-07-09 | 发那科株式会社 | Device and method for controlling machine tool |
| CN102085623A (en) * | 2010-09-25 | 2011-06-08 | 宁波天瑞精工机械有限公司 | Method and device for controlling regression of feeding shaft of processing center to reference point |
| CN102922059A (en) * | 2011-08-08 | 2013-02-13 | 发那科株式会社 | Tapping machine |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE19883028T1 (en) * | 1998-12-24 | 2002-02-14 | Mitsubishi Electric Corp | Numerical control unit |
-
2013
- 2013-04-17 CN CN201310133407.7A patent/CN103231277B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1741873A (en) * | 2003-02-06 | 2006-03-01 | 三菱电机株式会社 | Threading control method and controller |
| CN101214622A (en) * | 2007-01-04 | 2008-07-09 | 发那科株式会社 | Device and method for controlling machine tool |
| CN102085623A (en) * | 2010-09-25 | 2011-06-08 | 宁波天瑞精工机械有限公司 | Method and device for controlling regression of feeding shaft of processing center to reference point |
| CN102922059A (en) * | 2011-08-08 | 2013-02-13 | 发那科株式会社 | Tapping machine |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103231277A (en) | 2013-08-07 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103231277B (en) | Mechanical sensing and controlling system of computerized numerical control (CNC) lathe for accelerating thread cutting circular machining | |
| CN102566511B (en) | Five-shaft numerical control system cutter center point interpolation path interpolation method | |
| CN101367174B (en) | Table stroke control apparatus and control method | |
| CN102339035A (en) | Control device and method of multiaxial numerical control milling machine | |
| CN103722428A (en) | Control method and system for tool magazine of CNC machine tool | |
| CN201511148U (en) | High-speed three-coordinate numerically-control drilling machine | |
| CN103111673A (en) | Axial double-helix-surface semi-automatic milling machine | |
| CN101683715A (en) | Computerized numerical control (CNC) machine tool and workpiece machining method thereof | |
| CN102248446B (en) | Intelligent control system for grooving machine | |
| CN107942951A (en) | Platform tail system and its method of work, numerically-controlled machine tool | |
| CN203726234U (en) | Tool magazine control device and numerical control machine tool | |
| CN101596659A (en) | Laser distance measuring and height regulating system for cutting device | |
| CN203003600U (en) | Slotting machine automatic control system | |
| CN103853094A (en) | Numerical control machine tool CNC (Computer Numerical Control) system | |
| CN102350541B (en) | Three-shaft following online cutting numerical control milling machine and three-shaft following control method thereof | |
| CN107544435A (en) | A kind of honing reciprocating motion control method in digital control system | |
| CN103809519A (en) | Polar coordinate interpolation extremum region smooth processing method for numerical control system | |
| CN205764023U (en) | A kind of deep hole drilling machine | |
| CN202556147U (en) | Stroke control device for reciprocating movement of double-housing planer | |
| CN105137918A (en) | Method for controlling stepping motor to drive numerical control sliding table by PLC | |
| CN202886935U (en) | Numerical control machining machine tool of ceramic plaster mold | |
| TWI494183B (en) | Cnc lathe system for accelerated screw thread-cutting | |
| CN201259627Y (en) | Automatic positioning control system for pipe end position veil detection | |
| CN111464087A (en) | Control method and positioning mechanism of zero-free switch stepping motor | |
| CN109249263B (en) | Reciprocating processor and mechanical arm picking and placing integrated system |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address |
Address after: 215000 Chunhui Road, Suzhou Industrial Park, Jiangsu Province Patentee after: New Generation Science and Technology (Suzhou) Co., Ltd. Address before: 215021 Xinsu Industrial Park, No. 5 Xinghan Street, Suzhou City, Jiangsu Province Patentee before: Suzhou Xindai Numerical Control Equipment Co., Ltd. |
|
| CP03 | Change of name, title or address |