CN104015100B - A kind of Machinetool workpiece automatic tracing-edge system - Google Patents
A kind of Machinetool workpiece automatic tracing-edge system Download PDFInfo
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- CN104015100B CN104015100B CN201410232648.1A CN201410232648A CN104015100B CN 104015100 B CN104015100 B CN 104015100B CN 201410232648 A CN201410232648 A CN 201410232648A CN 104015100 B CN104015100 B CN 104015100B
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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
- B23Q17/00—Arrangements for observing, indicating or measuring on machine tools
- B23Q17/24—Arrangements for observing, indicating or measuring on machine tools using optics or electromagnetic waves
- B23Q17/2428—Arrangements for observing, indicating or measuring on machine tools using optics or electromagnetic waves for measuring existing positions of tools or workpieces
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Abstract
The invention discloses a kind of Machinetool workpiece automatic tracing-edge system, including hardware components and software section, wherein, described hardware components includes spring powered contact probe, the hand round cut alias circuit module of SCM Based control system, electronics；Described software section include seeking limit mode option program module, five kinds seek limit mode program module, liquid crystal display program module.Native system need not manually seek limit, skilled operation degree not requirement for operative employee, not only seek the limit time shorter, precision is high, and the error on avoiding manual operation and calculating, it is achieved the automatic tracing-edge of workpiece, being automatically positioned of square shaped workpiece midpoint and four corner points can be realized easily, avoid the inconvenience in the past manually seeking edge mode, improve production efficiency, meet actual processing request.
Description
Technical field
The present invention relates to Parts on Machining-Center and seek the technical field on limit, a kind of Machinetool workpiece automatic tracing-edge system proposed in particular for the lathe without automatic tracing-edge function.
Background technology
Workpiece is sought limit and is commonly used Offset type edge finder by current CNC milling machine and machining center before processing, additionally also has photo-electric seeking border, swinging seeking border and Reinshaw probe.But every a seeking border is required for manually seeking limit, there is inconvenience seeking crack approach simultaneously, be necessary at leisure near workpiece for preventing seeking border or probe and workpiece from colliding time such as close to workpiece.Manually seek limit to result also in simultaneously and seek limit required time and precision is limited by the experience of operator and the state of operator, for not having the operative employee of experience, seek limit to need to spend the longer time, if operative employee is not in good state, these troublesome operation can make operative employee the error in operation and calculating occur.
Summary of the invention
It is an object of the invention to overcome the deficiencies in the prior art and defect, it is provided that a kind of rationally reliable, superior performance, seek that the limit time is short, precision is high, cost is low, the Machinetool workpiece automatic tracing-edge system of workpiece Xun Bian automatization can be realized.
For achieving the above object, technical scheme provided by the present invention is: a kind of Machinetool workpiece automatic tracing-edge system, including hardware components and software section, wherein,
Described hardware components includes:
Spring powered contact is popped one's head in, and is contained on machine tool chief axis, and with making the probe of optical signal break-make, laser transmitting-receiving module thereon can produce low and high level signal according to moving up and down of probe；
SCM Based control system, the level signal of processed master controller identification can be produced and vertically move the transverse shifting with platform of machine tool to what control machine tool chief axis, the transverse movement of platform of machine tool makes workpiece and superjacent probe generation relative motion, according to the level translation that laser transmitting-receiving module is transmitted through, SCM Based control system learns that probe is pressed on workpiece or reaches exactly to the edge of work, thus the transverse shifting distance before and after the test of computer bed platform, draw the distance of workpiece starting point and edge, after knowing the distance at starting point and four edges of workpiece, SCM Based control system sends level signal and controls the movement of machine tool chief axis and platform of machine tool, make probe just to the midpoint of workpiece on platform of machine tool or corner points；
The hand round cut alias circuit module of electronics, for operator switching manually or automatically two kinds seek edge mode, it is based on the middle bridge that the control system of single-chip microcomputer is connected with machining center controller, is also the intermediate member that is connected with machining center controller of the electronics hand-operated wheel of lathe；
Described software section includes:
Seek limit mode option program module, select what need to seek limit mode for operator by push-botton operation；
Seek limit mode program module for five kinds, mainly sought limit mode by five kinds and form, be respectively in the middle of workpiece, workpiece upper left, workpiece lower-left, workpiece upper right, workpiece bottom right；
Liquid crystal display program module, shows that mainly by liquid crystal display the edge mode of seeking of operator selects, checks selection information for operator.
Described spring powered contact probe include can make optical signal break-make probe, be available for linear bearing that probe axially positions, trigger spring, laser transmitting-receiving module and probing shell, wherein, described linear bearing is arranged on the bottom of probing shell, and the top of described probing shell is formed with the Knife handle structure that can be assembled to machine tool chief axis；Described probe is vertically inserted in probing shell, can carry out axially-movable, stretches out probing shell, and through linear bearing, be evenly equipped with multiple through hole in the middle part of it outside its head, and its afterbody touches with triggering spring interface；Described laser transmitting-receiving module includes generating laser and laser pickoff, and described generating laser and laser pickoff are loaded on the both sides in probing shell respectively.
The head of described probe is hemispherical, and its afterbody is formed and triggers the groove that spring matches.
Described SCM Based control system vertically moves the transverse shifting with platform of machine tool by the hand round cut alias circuit module control machine tool chief axis of electronics.
Described SCM Based control system includes one piece of 51 series monolithic chip, one piece of ULN2003 chip, six groups of 5V relays, two groups of contact buttons and one piece of LCD1602 LCDs, wherein, described ULN2003 chip is used for driving relay, six groups of 5V relays are used for switching switching, six control level inputs of X, Y, Z and X10, X100, X1000 of corresponding lathe input respectively, described two groups of contact buttons seek selection and the confirmation of edge mode for lathe, and described LCD1602 LCDs concrete seeks edge mode for showing.
The hand round cut alias circuit module of described electronics is mainly made up of a group of access contact pin and a switching switch, switches electronics hand-operated wheel by switching switch or self-action seeks limit function.
Described switching switch is single-pole double-throw switch (SPDT).
The present invention compared with prior art, has the advantage that and beneficial effect:
Native system need not manually seek limit, skilled operation degree not requirement for operative employee, not only seek the limit time shorter, precision is high, and the error on avoiding manual operation and calculating, it is achieved the automatic tracing-edge of workpiece, being automatically positioned of square shaped workpiece midpoint and four corner points can be realized easily, avoid the inconvenience in the past manually seeking edge mode, improve production efficiency, meet actual processing request.
Accompanying drawing explanation
Fig. 1 is the structured flowchart of hardware components of the present invention.
Fig. 2 is the structured flowchart of software section of the present invention.
Fig. 3 is the operational flow diagram of Machinetool workpiece automatic tracing-edge system of the present invention.
Fig. 4 is the schematic diagram in kind of spring powered contact of the present invention probe.
Detailed description of the invention
Below in conjunction with specific embodiment, the invention will be further described.
Machinetool workpiece automatic tracing-edge system described in the present embodiment, including hardware components and software section, wherein,
As it is shown in figure 1, described hardware components includes:
Spring powered contact is popped one's head in, and is contained on machine tool chief axis, and with making the probe of optical signal break-make, laser transmitting-receiving module thereon can produce low and high level signal according to moving up and down of probe；
SCM Based control system, the level signal of processed master controller identification can be produced and vertically move the transverse shifting with platform of machine tool to what control machine tool chief axis, the transverse movement of platform of machine tool makes workpiece and superjacent probe generation relative motion, according to the level translation that laser transmitting-receiving module is transmitted through, SCM Based control system learns that probe is pressed on workpiece or reaches exactly to the edge of work, thus the transverse shifting distance before and after the test of computer bed platform, draw the distance of workpiece starting point and edge, after knowing the distance at starting point and four edges of workpiece, SCM Based control system sends level signal and controls the movement of machine tool chief axis and platform of machine tool, make probe just to the midpoint of workpiece on platform of machine tool or corner points；
The hand round cut alias circuit module of electronics, for operator switching manually or automatically two kinds seek edge mode, it is based on the middle bridge that the control system of single-chip microcomputer is connected with machining center controller, also it is the intermediate member that is connected with machining center controller of the electronics hand-operated wheel of lathe, mainly it is made up of a group of access contact pin and switching switch (being specially single-pole double-throw switch (SPDT)), switch electronics hand-operated wheel by switching switch or self-action seeks limit function, wherein, the operational process of the hand round cut alias circuit module of described electronics is: when operator is for convenience of automatic tracing-edge, when making spring powered contact probe just to processing work, firstly the need of the position being adjusted workpiece by electronics hand-operated wheel, at this moment switch is switched to manual mode, now machining center controller is connected with electronics hand-operated wheel, disconnect with SCM Based control system, when the location of workpiece adjust complete need enter automatic tracing-edge pattern time, switch is switched to automatic mode, now machining center controller is connected with SCM Based control system, disconnect with electronics hand-operated wheel, system enters the state of automatic tracing-edge, if now electronics hand-operated wheel sends signal, automatic tracing-edge is not disturbed to operate yet.
As in figure 2 it is shown, described software section includes:
Seek limit mode option program module, select what need to seek limit mode for operator by push-botton operation, any point at midpoint or four corner points as found workpiece；
Seek limit mode program module for five kinds, mainly sought limit mode by five kinds to form, it is in the middle of workpiece respectively, workpiece upper left, workpiece lower-left, workpiece upper right, workpiece bottom right, wherein, the searching process at workpiece midpoint is: when workpiece is not just also pressed in workpiece by spring powered contact probe, laser transmitting-receiving module sends high level signal to single-chip microcomputer, seek Program control machine tool chief axis to move down, when probe is pressed in workpiece, laser transmitting-receiving module sends low level signal, represent that probe has been pressed on workpiece, program controlled device bed platform moves along X-axis, when probe arrives the edge of work, probe declines, laser transmitting-receiving module sends out high level signal, single-chip microcomputer just can calculate the distance x1 of workpiece starting point and edge, spring powered contact probe rises back to starting point, the distance x2 of workpiece other edge and starting point in X-axis is obtained according to same flow process, thus starting point and side-play amount | x1-x2 |/2 of central point in workpiece X-axis can be calculated, control platform of machine tool according to side-play amount and make spring powered contact probe just midpoint to workpiece X-axis, as a same reason, draw the distance at workpiece starting point and edge in Y-axis, according to the range data preserved, just the movement of platform of machine tool can be controlled, make spring powered contact probe just midpoint to workpiece；
Liquid crystal display program module, shows that mainly by LCD1602 liquid crystal display the edge mode of seeking of operator selects, checks selection information for operator.
As shown in Figure 3, the operational process of this Machinetool workpiece automatic tracing-edge system is: is placed on platform of machine tool by square cross and makes its sides aligned parallel in the coordinate axes of platform of machine tool, be then used by electronics hand-operated wheel adjust roughly platform of machine tool make workpiece just on machine tool chief axis install spring powered contact probe, then SCM Based control system is started, select to seek dot pattern accordingly (such as workpiece midpoint, upper left angle point etc.), then control machine tool chief axis is moved down on workpiece by control circuit, the laser transmitting-receiving module being now arranged on spring powered contact probe sends low level signal.Platform of machine tool transverse shifting, spring powered contact probe is removed toward the edge of work, simultaneously single-chip microcomputer record lateral distance.When spring powered contact probe moves on to the edge of work, laser transmitting-receiving module sends high level, and single-chip microcomputer just can calculate the distance of workpiece starting point and edge after receiving.It is also possible to obtain the distance of workpiece starting point and other edges, thus being preserved range data by control circuit and finally making spring powered contact pop one's head in just to the midpoint of workpiece or other corner points.Finally, changing coordinates is stored controller by manual operation machining center guidance panel.Practical operation shows, native system achieves workpiece Xun Bian automatization, and it is short to seek the limit time, and precision is high, meets actual processing request.
As shown in Figure 4, described spring powered contact probe include can make optical signal break-make probe, be available for linear bearing that probe axially positions, trigger spring, laser transmitting-receiving module and probing shell, wherein, described linear bearing is arranged on the bottom of probing shell, and the top of described probing shell is formed with the Knife handle structure that can be assembled to machine tool chief axis；Described probe is vertically inserted in probing shell, can carry out axially-movable, stretches out probing shell, and through linear bearing, be evenly equipped with the through hole of five diameter 2mm in the middle part of it outside its head, and its afterbody touches with triggering spring interface；The head of described probe is sphere diameter is the hemispherical of 6mm, and its afterbody is formed and the groove triggering degree of depth 10mm that spring matches, diameter 10mm；Described laser transmitting-receiving module includes a pair generating laser and laser pickoff, and described generating laser and laser pickoff are loaded on the both sides in probing shell respectively.The operational process of described spring powered contact probe is: when spring powered contact probe is pressed in workpiece, laser pickoff does not receive the laser signal that emitter sends, and laser transmitting-receiving module is to single-chip microcomputer output low level；When spring powered contact probe runs to the edge of work, owing to elastic force effect makes probe decline, the decline of probe can make laser pickoff receive, by the through hole on probe, the laser signal that generating laser sends, thus laser transmitting-receiving module outwards exports high level.
Described SCM Based control system vertically moves the transverse shifting with platform of machine tool by the hand round cut alias circuit module control machine tool chief axis of electronics.It includes one piece of 51 series monolithic chip, one piece of ULN2003 chip, six groups of 5V relays, two groups of contact buttons and one piece of LCD1602 LCDs, wherein, described ULN2003 chip is used for driving relay, six groups of 5V relays are used for switching switching, six control level inputs of X, Y, Z and X10, X100, X1000 of corresponding lathe input respectively, described two groups of contact buttons seek selection and the confirmation of edge mode for lathe, and described LCD1602 LCDs concrete seeks edge mode for showing.
Being below the concrete operations of the above-mentioned Machinetool workpiece automatic tracing-edge system of the present embodiment, its situation is as follows:
1, SCM Based control system, electronics hand-operated wheel and machining center controller are accessed the hand round cut alias circuit module of electronics.
2, each parts of spring powered contact being popped one's head in assemble and are then fitted on machine tool chief axis, and the laser transmitting-receiving module on then spring powered contact being popped one's head in accesses SCM Based control system.
3, SCM Based control system accesses power supply, subsequently into opening.
4, work in-process heart workbench is installed square cross, and make the edge of work be parallel to the coordinate axes of workbench.
5, before seeking limit, to ensure that the projection of spring powered contact probe vertical drops on workpiece, switching to manually so now the switching of hand for electronics round cut alias circuit module being switched, utilizing electronics hand-operated wheel that workpiece quickly moves to the underface of spring powered contact probe.
6, switching switchs to automatic tracing-edge pattern, then operator presses " seeking limit mode " button and selects different to seek limit mode, if our selection mode 1 (centering), then press " determination " button, the mode phases in Automatic-searching workpiece centre position will be entered.
7, spring powered contact probe and machining center workbench can Program is moved stored by single-chip microcomputer, last spring powered contact probe will drop on square cross middle.
8, changing coordinates is stored controller by manual operation machining center guidance panel, completes to seek limit.
Embodiment described above be only present pre-ferred embodiments, is not limit the practical range of the present invention with this, therefore all changes made according to the shape of the present invention, principle, all should be encompassed in protection scope of the present invention.
Claims (7)
1. a Machinetool workpiece automatic tracing-edge system, including hardware components and software section, it is characterised in that
Described hardware components includes:
Spring powered contact is popped one's head in, and is contained on machine tool chief axis, and with making the probe of optical signal break-make, laser transmitting-receiving module thereon can produce low and high level signal according to moving up and down of probe；
SCM Based control system, the level signal of processed master controller identification can be produced and vertically move the transverse shifting with platform of machine tool to what control machine tool chief axis, the transverse movement of platform of machine tool makes workpiece and superjacent probe generation relative motion, according to the level translation that laser transmitting-receiving module is transmitted through, SCM Based control system learns that probe is pressed on workpiece or reaches exactly to the edge of work, thus the transverse shifting distance before and after the test of computer bed platform, draw the distance of workpiece starting point and edge, after knowing the distance at starting point and four edges of workpiece, SCM Based control system sends level signal and controls the movement of machine tool chief axis and platform of machine tool, make probe just to the midpoint of workpiece on platform of machine tool or corner points；
The hand round cut alias circuit module of electronics, for operator switching manually or automatically two kinds seek edge mode, it is based on the middle bridge that the control system of single-chip microcomputer is connected with machining center controller, is also the intermediate member that is connected with machining center controller of the electronics hand-operated wheel of lathe；
Described software section includes:
Seek limit mode option program module, select what need to seek limit mode for operator by push-botton operation；
Seek limit mode program module for five kinds, mainly sought limit mode by five kinds and form, be respectively in the middle of workpiece, workpiece upper left, workpiece lower-left, workpiece upper right, workpiece bottom right；
Liquid crystal display program module, shows that mainly by liquid crystal display the edge mode of seeking of operator selects, checks selection information for operator.
2. a kind of Machinetool workpiece automatic tracing-edge system according to claim 1, it is characterized in that: described spring powered contact probe include can make optical signal break-make probe, be available for linear bearing that probe axially positions, trigger spring, laser transmitting-receiving module and probing shell, wherein, described linear bearing is arranged on the bottom of probing shell, and the top of described probing shell is formed with the Knife handle structure that can be assembled to machine tool chief axis；Described probe is vertically inserted in probing shell, can carry out axially-movable, stretches out probing shell, and through linear bearing, be evenly equipped with multiple through hole in the middle part of it outside its head, and its afterbody touches with triggering spring interface；Described laser transmitting-receiving module includes generating laser and laser pickoff, and described generating laser and laser pickoff are loaded on the both sides in probing shell respectively.
3. a kind of Machinetool workpiece automatic tracing-edge system according to claim 2, it is characterised in that: the head of described probe is hemispherical, and its afterbody is formed and triggers the groove that spring matches.
4. a kind of Machinetool workpiece automatic tracing-edge system according to claim 1, it is characterised in that: described SCM Based control system vertically moves the transverse shifting with platform of machine tool by the hand round cut alias circuit module control machine tool chief axis of electronics.
5. a kind of Machinetool workpiece automatic tracing-edge system according to claim 1 or 4, it is characterized in that: described SCM Based control system includes one piece of 51 series monolithic chip, one piece of ULN2003 chip, six groups of 5V relays, two groups of contact buttons and one piece of LCD1602 LCDs, wherein, described ULN2003 chip is used for driving relay, six groups of 5V relays are used for switching switching, the X of corresponding lathe input respectively, Y, Z and X10, X100, six control level inputs of X1000, described two groups of contact buttons seek selection and the confirmation of edge mode for lathe, described LCD1602 LCDs concrete seeks edge mode for showing.
6. a kind of Machinetool workpiece automatic tracing-edge system according to claim 1, it is characterized in that: the hand round cut alias circuit module of described electronics is mainly made up of a group of access contact pin and a switching switch, switch electronics hand-operated wheel by switching switch or self-action seeks limit function.
7. a kind of Machinetool workpiece automatic tracing-edge system according to claim 6, it is characterised in that: described switching switch is single-pole double-throw switch (SPDT).
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| CN104015100B true CN104015100B (en) | 2016-06-29 |
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| CN107290434A (en) * | 2016-03-31 | 2017-10-24 | 上海金艺检测技术有限公司 | Heavy slab ultrasound examination automatically controls method for searching edge |
| CN106425147A (en) * | 2016-10-27 | 2017-02-22 | 中建钢构阳光惠州有限公司 | Assembling and welding intelligent production line of bracket assembly |
| CN106688920A (en) * | 2017-01-06 | 2017-05-24 | 广州市普旭电子有限公司 | Automatic feeding control system |
| CN111290314A (en) * | 2020-02-20 | 2020-06-16 | 广东工业大学 | Flexible material processing wireless monitoring device and control method thereof |
| CN113231887B (en) * | 2021-05-24 | 2022-11-29 | 广东意杰科技有限公司 | Edge finder structure based on photoresistor |
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