CN104959683A - Forward and reverse rotating system for tapping machine - Google Patents
Forward and reverse rotating system for tapping machine Download PDFInfo
- Publication number
- CN104959683A CN104959683A CN201510393437.0A CN201510393437A CN104959683A CN 104959683 A CN104959683 A CN 104959683A CN 201510393437 A CN201510393437 A CN 201510393437A CN 104959683 A CN104959683 A CN 104959683A
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- China
- Prior art keywords
- circuit
- relay group
- rotating system
- tapping machine
- connects
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23G—THREAD CUTTING; WORKING OF SCREWS, BOLT HEADS, OR NUTS, IN CONJUNCTION THEREWITH
- B23G1/00—Thread cutting; Automatic machines specially designed therefor
- B23G1/44—Equipment or accessories specially designed for machines or devices for thread cutting
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02P—CONTROL OR REGULATION OF ELECTRIC MOTORS, ELECTRIC GENERATORS OR DYNAMO-ELECTRIC CONVERTERS; CONTROLLING TRANSFORMERS, REACTORS OR CHOKE COILS
- H02P6/00—Arrangements for controlling synchronous motors or other dynamo-electric motors using electronic commutation dependent on the rotor position; Electronic commutators therefor
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Mechanical Engineering (AREA)
- Control Of Ac Motors In General (AREA)
Abstract
The invention discloses a forward and reverse rotating system for a tapping machine. The forward and reverse rotating system for the tapping machine comprises a motor, a relay set, an adjusting circuit, an induction circuit and a control circuit. The induction circuit induces current signals of a motor. The control circuit receives current signals of the induction circuit and controls the relay set to work. The adjusting circuit is connected with the relay set connected with the motor. The forward and reverse rotating system is simple in structure, convenient to operate, and capable of achieving tapping of automatic forward and reverse rotating and effectively preventing a cone from being blocked or broken, increases the machining speed and reduces the machining cost.
Description
Technical field
The present invention relates to field of machining, particularly tapping machine rotating system.
Background technology
Screwed hole on processing small batch product has manual processing and machine automatization to process two kinds of methods, and according to machine automatization processing, then need more complicated electrical equipment control mechanism or mechanical device, therefore equipment investment costly.Meanwhile, if do not adopt automatic feeding device and precision positioning jig, its process velocity is not high yet, also very easily produces card cone, disconnected cone phenomenon.Current processing small batch minor diameter screwed hole generally takes manual method, and its processing time consuming is required great effort, and inefficiency, processing cost is high.
The rotating of large-scale parts now realizes, equally also more difficult.
Summary of the invention
The object of this invention is to provide a kind of structure simple, easy to operate, the tapping system of the automatic rotating of energy, it is applicable to manual operations on electric hand drill, drilling machine, small-diameter screw-hole on processing small batch product, to improve process velocity, cut down finished cost, be also suitable for and large-scale parts simultaneously.
For achieving the above object, the present invention adopts following technical scheme, tapping machine rotating system, comprise motor, relay group, regulating circuit, sensor circuit and control circuit, sensor circuit induction machine current signal, control circuit receives sensor circuit current signal and the work of control relay group, and regulating circuit connects relay group, and relay group connects motor.Regulating circuit regulates setting rated current and rotating speed according to different tapping, prevent the disconnected cone of tapping, sensor circuit induction machine electric current rectification makes alternating current become DC current, and current signal is delivered to control circuit, control circuit setting tapping reverse current critical value, when the current signal received reaches critical value, urge the work of relay group, the work of relay group makes motor reversal, after motor reversal, power of motor diminishes, electric current diminishes, sensor circuit is immediately responded to the current signal that diminishes and is transferred to control circuit, the current signal that control circuit receives is lower than critical value, control relay quits work, motor recovers to rotate forward, namely the automatic rotating of motor is achieved.
In some embodiments, sensor circuit comprises current inductor, rectification circuit and the first electric capacity, described current inductor induction machine electric current, described rectification circuit input end connects current inductor output, described rectification circuit output end connects first electric capacity one end, described first electric capacity other end ground connection.The alternating current of rectifier circuit rectifies current inductor induction becomes direct current.
In some embodiments, control circuit comprises the first variable resistor and triode, and described first variable resistor one end connects rectification circuit output end, other end ground connection, described transistor base connects the first variable resistor sliding end, grounded emitter, collector connection relay group.When electric current exceedes the control electric current of setting, triode is communicated with, and make relay work, variable resistor is for regulating setup control electric current.
In some embodiments, relay group is provided with low-tension supply.Low-tension supply provides relay group work electricity consumption.
In some embodiments, regulating circuit comprises IGCT, trigger tube, the second adjustable resistance and the second electric capacity, described IGCT connects trigger and relay group respectively, described the second adjustable resistance is connected with the second electric capacity, and described trigger tube one end is connected between the second adjustable resistance and the second electric capacity.Regulating circuit adjustment work rated current, rotating speed, motor input voltage, prevents the disconnected cone of tapping.
In some embodiments, regulating circuit comprises the 3rd variable resistor, and described 3rd variable resistor is connected with the second adjustable resistance.Set two variable resistors, regulating circuit can be adjusted at setting two by-pass cockes, facilitate coarse adjustment and fine setting.
In some embodiments, relay group comprises A.C. contactor and relay, and relay is electrically connected with A.C. contactor.When the power ratio of electric threading motor is comparatively large, relay can not meet the electric current of motor, can control motor, thus realize turning to of motor with Control A.C. contactor.
In some embodiments, control circuit comprises frequency converter, frequency converter electrical connection relay group.The alternative IGCT of frequency converter is used for control relay, and access power supply can be alternating current or the direct current of 220V, 380V.
Beneficial effect of the present invention is: structure is simple, easy to operate, can realize the tapping of automatic rotating, effectively can prevent card from boring, break and bore phenomenon, improve process velocity, cut down finished cost.
Accompanying drawing explanation
Fig. 1 is tapping machine rotating system architecture schematic diagram of the present invention;
Fig. 2 is Fig. 1 sensor circuit, circuit connection structure schematic diagram between control circuit and relay group;
Fig. 3 is Fig. 1 regulating circuit, circuit connection structure schematic diagram between relay group and motor.
Detailed description of the invention
Below in conjunction with accompanying drawing, the present invention is further detailed explanation.
As shown in Figure 1, tapping machine rotating system, comprise motor 1, relay group 2, sensor circuit 3, control circuit 4 and regulating circuit 5, sensor circuit 3 induction machine 1 current signal, control circuit 4 receives sensor circuit 3 current signal and control relay group 2 works, regulating circuit 5 connects relay group 2, and relay group 2 connects motor 1.
As shown in Figure 2, sensor circuit 3 comprises current inductor L1, rectification circuit D is bridge rectifier diode, rectification circuit D and the first electric capacity C1, current inductor L1 induction machine 1 electric current, rectification circuit D input connects current inductor L1 output, rectification circuit D output connects first electric capacity C1 one end, the first electric capacity C1 other end ground connection.
Control circuit 4 comprises the first variable resistor R1 and triode Q1, and triode Q1 is NPN type, and first variable resistor R1 one end connects rectification circuit D output, other end ground connection, triode Q1 base stage connects the first variable resistor R1 sliding end, grounded emitter, collector connection relay group 2.
Relay group 2 is provided with low-tension supply VCC.
As shown in Figure 3, regulating circuit 5 comprises IGCT SSR, trigger tube DB3, the second adjustable resistance R2 and the second electric capacity C2, IGCT SSR is controllable silicon, trigger tube DB3 is bidirectional trigger diode, IGCT SSR connects trigger DB3 and relay group 2 respectively, and the second adjustable resistance R2 is connected with the second electric capacity C2, and trigger tube DB3 one end is connected between the second adjustable resistance R2 and the second electric capacity C2, regulating circuit 5 comprises the 3rd variable resistor R3, and the 3rd variable resistor R3 connects with the second adjustable resistance R2.
Duty: according to different tapping demands, by regulating R2, R3, regulating circuit 5 sets the voltage of rated operational current, rotating speed and input motor 1, prevents disconnected cone phenomenon; Regulate R1, control circuit 4 setup control critical current.Access 220V AC power, after opening tapping machine, now tapping zero load rotates forward, and motor 1 current value is minimum of a value, current inductor L1 induction machine 1 current signal, by rectification circuit D, alternating current is converted to direct current, and current signal is delivered to control circuit 4, now, electric current does not arrive critical electric current value, triode Q1 is not communicated with, and low-tension supply VCC cannot drive relay group 2 to work; In tapping is carried out, tapping is stressed increasing, and now motor 1 electric current reaches also increasing, and when motor 1 full load, electric current arrives critical value, and triode Q1 is communicated with, and relay group 2 works, and motor 1 reverses, and silk is moved back in tapping; Motor 1 load after reversion diminishes, and electric current diminishes, and triode Q1 disconnects, and relay group 2 quits work, and motor 1 recovers to rotate forward.
Above-described is only some embodiments of the present invention.For the person of ordinary skill of the art, without departing from the concept of the premise of the invention, can also make some distortion and improvement, these all belong to protection scope of the present invention.
Claims (8)
1. tapping machine rotating system, it is characterized in that, comprise motor (1), relay group (2), sensor circuit (3), control circuit (4) and regulating circuit (5), described sensor circuit (3) induction machine (1) current signal, described control circuit (4) receives sensor circuit (3) current signal and control relay group (2) work, described regulating circuit (5) connects relay group (2), and described relay group (2) connects motor (1).
2. tapping machine rotating system according to claim 1, it is characterized in that, described sensor circuit (3) comprises current inductor (L1), rectification circuit (D) and the first electric capacity (C1), described current inductor (L1) induction machine (1) electric current, described rectification circuit (D) input connects current inductor (L1) output, described rectification circuit (D) output connects the first electric capacity (C1) one end, described first electric capacity (C1) other end ground connection.
3. tapping machine rotating system according to claim 2, it is characterized in that, described control circuit (4) comprises the first variable resistor (R1) and triode (Q1), described first variable resistor (R1) one end connects rectification circuit (D) output, other end ground connection, described triode (Q1) base stage connects the first variable resistor (R1) sliding end, grounded emitter, collector connection relay group (2).
4. tapping machine rotating system according to claim 1, is characterized in that, described relay group (2) is provided with low-tension supply (VCC).
5. tapping machine rotating system according to claim 1, it is characterized in that, described regulating circuit (5) comprises IGCT (SSR), trigger tube (DB3), the second adjustable resistance (R2) and the second electric capacity (C2), described IGCT (SSR) connects trigger (DB3) and relay group (2) respectively, described the second adjustable resistance (R2) is connected with the second electric capacity (C2), and described trigger tube (DB3) one end is connected between the second adjustable resistance (R2) and the second electric capacity (C2).
6. tapping machine rotating system according to claim 5, it is characterized in that, described regulating circuit (5) comprises the 3rd variable resistor (R3), and described 3rd variable resistor (R3) is connected with the second adjustable resistance (R2).
7. tapping machine rotating system according to claim 1, is characterized in that, described relay group (2) comprises A.C. contactor and relay, and relay is electrically connected with A.C. contactor.
8. tapping machine rotating system according to claim 1, is characterized in that, described control circuit (4) comprises frequency converter, frequency converter electrical connection relay group (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510393437.0A CN104959683A (en) | 2015-07-06 | 2015-07-06 | Forward and reverse rotating system for tapping machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510393437.0A CN104959683A (en) | 2015-07-06 | 2015-07-06 | Forward and reverse rotating system for tapping machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104959683A true CN104959683A (en) | 2015-10-07 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510393437.0A Pending CN104959683A (en) | 2015-07-06 | 2015-07-06 | Forward and reverse rotating system for tapping machine |
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| CN (1) | CN104959683A (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5510862A (en) * | 1978-07-10 | 1980-01-25 | Hitachi Ltd | Thyristor motor controller |
| CN2936560Y (en) * | 2006-08-10 | 2007-08-22 | 重庆长安汽车股份有限公司 | Control circuit of automatic tapping mechanism |
| CN203371501U (en) * | 2013-06-23 | 2014-01-01 | 张凯 | Electric hand drill threading machine forward and reverse rotation switching system |
| CN103633888A (en) * | 2013-11-25 | 2014-03-12 | 国家电网公司 | Motor positive and negative rotation control circuit |
| CN204244116U (en) * | 2014-11-28 | 2015-04-01 | 王伟庭 | Electronics thread tapper |
| CN104690378A (en) * | 2015-03-05 | 2015-06-10 | 深圳市京田精密五金有限公司 | Control system and control method for tapping machine |
| CN204724965U (en) * | 2015-07-06 | 2015-10-28 | 何锦尧 | Tapping machine rotating system |
-
2015
- 2015-07-06 CN CN201510393437.0A patent/CN104959683A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5510862A (en) * | 1978-07-10 | 1980-01-25 | Hitachi Ltd | Thyristor motor controller |
| CN2936560Y (en) * | 2006-08-10 | 2007-08-22 | 重庆长安汽车股份有限公司 | Control circuit of automatic tapping mechanism |
| CN203371501U (en) * | 2013-06-23 | 2014-01-01 | 张凯 | Electric hand drill threading machine forward and reverse rotation switching system |
| CN103633888A (en) * | 2013-11-25 | 2014-03-12 | 国家电网公司 | Motor positive and negative rotation control circuit |
| CN204244116U (en) * | 2014-11-28 | 2015-04-01 | 王伟庭 | Electronics thread tapper |
| CN104690378A (en) * | 2015-03-05 | 2015-06-10 | 深圳市京田精密五金有限公司 | Control system and control method for tapping machine |
| CN204724965U (en) * | 2015-07-06 | 2015-10-28 | 何锦尧 | Tapping machine rotating system |
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Application publication date: 20151007 |