CN102591256A - Detection circuit for bottom position signals of auxiliary machine bracket of NCT7 numerical control machine - Google Patents
Detection circuit for bottom position signals of auxiliary machine bracket of NCT7 numerical control machine Download PDFInfo
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- CN102591256A CN102591256A CN2012100348379A CN201210034837A CN102591256A CN 102591256 A CN102591256 A CN 102591256A CN 2012100348379 A CN2012100348379 A CN 2012100348379A CN 201210034837 A CN201210034837 A CN 201210034837A CN 102591256 A CN102591256 A CN 102591256A
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Abstract
The invention provides a detection circuit for bottom position signals of an auxiliary machine bracket of an NCT7 numerical control machine. The detection circuit comprises a programmable logic controller (PLC); five groups of PLC output points for descending a bracket cylinder comprise Y101.0, Y101.2, Y101.4, Y101.6 and Y101.8; the Y101.0 is connected with one input end of each of five intermediate relays, and the other input ends of the five intermediate relays are connected with a 0 potential; and one end of the normally-open contact of each of the five intermediate relays is connected with a +24V voltage, and the other ends of the normally-open contacts of the five intermediate relays are respectively connected with an X100.4 input point, an X100.5 input point, an X100.6 input point, an X100.7 input point and an X103.6 input point of the PLC. The detection circuit has the advantages that a proximity switch is eliminated, the production rhythm and the work flow are not affected, the maintenance cost is greatly reduced, the machining work efficiency of a machine tool is improved, great convenience is brought to equipment maintenance personnel, and the maintenance time is saved.
Description
Technical field
The present invention relates to a kind of signal deteching circuit, especially a kind of testing circuit that is used for position signal at the bottom of the NCT7 numerically-controlled machine subsidiary engine carriage.
Background technology
The NCT7 lathe is the Precision Machining numerically controlled lathe, is applicable to that the processing specification is 1.9 〃 and links adapter to the API standard pipe of 7 〃 and special.For improving the accuracy of its control, reliability of operation, stability and processing, the complete machine control system has adopted four-axle linked CNC digital control system of Japan's FA NUC-15TT and FANUC PLC control module; Spindle adopts ABB total digital DC VSC unit; In the hydraulic system utilization hydraulic control proportional control apparatus etc. to workpiece accurately locate, clamping.In addition, in transmission, adopt high-accuracy, wear-resisting ball-screw of resistance to deformation and floating chuck etc.Subsidiary engine adopts the sequence of five groups of carriages 1, carrying roller and chargings to cooperate lathe to accomplish the automatic flow of processing.As shown in Figure 1; The lower limit signaling switch 2 of carriage 1 is installed in the top of the piston rod of position, 3 end of carriage cylinder, and the space is narrower and small, and because the not in place or clamping stagnation of action of mechanical part; The capital causes this signal corruption or not in place; Change or adjust this switch and quite bother, servicing time is longer, and changes frequent.For practicing thrift maintenance cost, increase work efficiency, need to transform this signal.
Summary of the invention
The objective of the invention is to overcome the deficiency that exists in the prior art, the testing circuit of position signal at the bottom of a kind of NCT7 numerically-controlled machine subsidiary engine carriage is provided, utilize the signal of existing equipment to switch, reach the purpose of control.
According to technical scheme provided by the invention; The testing circuit of position signal at the bottom of the said NCT7 numerically-controlled machine subsidiary engine carriage; Comprise PLC; The PLC output point that the carriage cylinder descends is respectively first group of output point Y101.0, second group of output point Y101.2, the 3rd group of output point Y101.4, the 4th group of output point Y101.6, the 5th group of output point Y101.8; Said first group of output point Y101.0 connected a input end that a input end that an input end of first auxiliary reclay, second group of output point Y101.2 connect second auxiliary reclay, the 3rd group of output point Y101.4 connect the 3rd auxiliary reclay, the 4th group of output point Y101.6 connect the input end that an input end of the 4th auxiliary reclay, the 5th group of output point Y101.8 connect the 5th auxiliary reclay, another input end of said first auxiliary reclay, second auxiliary reclay, the 3rd auxiliary reclay, the 4th auxiliary reclay, the 5th auxiliary reclay all connects 0 current potential; Normally opened contact one termination of said first auxiliary reclay, second auxiliary reclay, the 3rd auxiliary reclay, the 4th auxiliary reclay, the 5th auxiliary reclay+24V voltage; The other end connects X100.4 input point, X100.5 input point, the X100.6 input point of PLC, X100.7 input point, X103.6 input point respectively.
Advantage of the present invention is: do not influence rhythm of production and workflow, greatly reduce maintenance cost, improve the work efficiency of machine tooling, personnel bring great convenience for ME, have practiced thrift servicing time.
Description of drawings
Fig. 1 is the position of the switch scheme of installation of prior art.
Fig. 2 is the improved electrical control figure of the present invention.
Embodiment
Below in conjunction with accompanying drawing and embodiment the present invention is described further.
Like Fig. 1, the effect of the switch 2 of original installation is carriage 1 (totally five groups) the detection usefulness that puts in place that descends, and utilizes the action of carriage cylinder 3; With stretching out of the piston rod of cylinder, make the connecting rod action of carriage 1, sense on the switch 2 (sensor model number J30-D15PK) of installation; Make the sensor action; Signal is passed to PLC, reach the purpose of control, specifically referring to NCT7 Machine Tools Electric schematic diagram.
As shown in Figure 2; The PLC output point that NCT7 numerically-controlled machine subsidiary engine carriage cylinder descends is respectively first group of output point Y101.0, second group of output point Y101.2, the 3rd group of output point Y101.4, the 4th group of output point Y101.6, the 5th group of output point Y101.8; Said first group of output point Y101.0 connected a input end that a input end that the input end of the first auxiliary reclay KM1, second group of output point Y101.2 connect the second auxiliary reclay KM2, the 3rd group of output point Y101.4 connect the 3rd auxiliary reclay KM3, the 4th group of output point Y101.6 connect the input end that the input end of the 4th auxiliary reclay KM4, the 5th group of output point Y101.8 connect the 5th auxiliary reclay KM5, another input end of the said first auxiliary reclay KM1, the second auxiliary reclay KM2, the 3rd auxiliary reclay KM3, the 4th auxiliary reclay KM4, the 5th auxiliary reclay KM5 all connects 0 current potential; Normally opened contact one termination+24V voltage of the said first auxiliary reclay KM1, the second auxiliary reclay KM2, the 3rd auxiliary reclay KM3, the 4th auxiliary reclay KM4, the 5th auxiliary reclay KM5; The other end connects X100.4 input point, X100.5 input point, the X100.6 input point of PLC, X100.7 input point, X103.6 input point respectively.
The principle of work of this circuit: the present invention has cancelled switch 2, and the PLC output point that utilizes the carriage cylinder to descend is Y101.0 from first group to the 5th group successively; Y101.2, Y101.4, Y101.6; Y101.8, auxiliary reclay KM1, KM2, KM3, KM4, KM5 are given in the number of winning the confidence respectively, then according to the action of auxiliary reclay KM1～KM5; Utilizing the normally opened contact connection+24V of KM1～KM5 is X100.4 with signal from first group to the 5th group successively directly, X100.5, X100.6; X100.7, X103.6 sends PLC to, reaches the purpose of control.
Need guarantee during enforcement that the auxiliary reclay contact is reliable, the circuit splicing ear is fastening.
The transformation that the present invention made is to utilize the signal of existing equipment to switch; Reach the purpose of control,, need not change now near switch through production testing; The replacing auxiliary reclay gets final product; Bring great convenience to maintenance, reduced the cost of maintenance times and maintenance, and production operational availability is greatly improved.
Claims (1)
1.NCT7 the testing circuit of position signal at the bottom of the numerically-controlled machine subsidiary engine carriage; Comprise PLC; The PLC output point that the carriage cylinder descends is respectively first group of output point Y101.0, second group of output point Y101.2, the 3rd group of output point Y101.4, the 4th group of output point Y101.6, the 5th group of output point Y101.8; It is characterized in that: said first group of output point Y101.0 connects a input end that a input end that an input end of first auxiliary reclay (KM1), second group of output point Y101.2 connect second auxiliary reclay (KM2), the 3rd group of output point Y101.4 connect the 3rd auxiliary reclay (KM3), the 4th group of output point Y101.6 and connects the input end that an input end of the 4th auxiliary reclay (KM4), the 5th group of output point Y101.8 connect the 5th auxiliary reclay (KM5), and another input end of said first auxiliary reclay (KM1), second auxiliary reclay (KM2), the 3rd auxiliary reclay (KM3), the 4th auxiliary reclay (KM4), the 5th auxiliary reclay (KM5) all connects 0 current potential; The normally opened contact one termination+24V voltage of said first auxiliary reclay (KM1), second auxiliary reclay (KM2), the 3rd auxiliary reclay (KM3), the 4th auxiliary reclay (KM4), the 5th auxiliary reclay (KM5); The other end connects X100.4 input point, X100.5 input point, the X100.6 input point of PLC, X100.7 input point, X103.6 input point respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012100348379A CN102591256A (en) | 2012-02-16 | 2012-02-16 | Detection circuit for bottom position signals of auxiliary machine bracket of NCT7 numerical control machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012100348379A CN102591256A (en) | 2012-02-16 | 2012-02-16 | Detection circuit for bottom position signals of auxiliary machine bracket of NCT7 numerical control machine |
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| Publication Number | Publication Date |
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| CN102591256A true CN102591256A (en) | 2012-07-18 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2012100348379A Pending CN102591256A (en) | 2012-02-16 | 2012-02-16 | Detection circuit for bottom position signals of auxiliary machine bracket of NCT7 numerical control machine |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103019228A (en) * | 2012-12-07 | 2013-04-03 | 江苏永钢集团有限公司 | Direct current speed adjusting device main board testing system |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1165990A (en) * | 1996-05-21 | 1997-11-26 | 丰田自动车株式会社 | Positioning controlling device |
| JP2011171284A (en) * | 2010-01-25 | 2011-09-01 | Ricoh Co Ltd | Switch device and switch device system, and switch apparatus equipped with switch device or switch device system |
| CN201960279U (en) * | 2010-11-16 | 2011-09-07 | 富奥汽车零部件股份有限公司 | Robot welding gun cleaning control device |
-
2012
- 2012-02-16 CN CN2012100348379A patent/CN102591256A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1165990A (en) * | 1996-05-21 | 1997-11-26 | 丰田自动车株式会社 | Positioning controlling device |
| JP2011171284A (en) * | 2010-01-25 | 2011-09-01 | Ricoh Co Ltd | Switch device and switch device system, and switch apparatus equipped with switch device or switch device system |
| CN201960279U (en) * | 2010-11-16 | 2011-09-07 | 富奥汽车零部件股份有限公司 | Robot welding gun cleaning control device |
Non-Patent Citations (2)
| Title |
|---|
| 李英平等: "可编程控制器在机床改造中的应用", 《长春大学学报》 * |
| 殷国茂等: "《中国钢管50年》", 30 June 2004 * |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103019228A (en) * | 2012-12-07 | 2013-04-03 | 江苏永钢集团有限公司 | Direct current speed adjusting device main board testing system |
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Application publication date: 20120718 |