CN204068576U - A kind of motor rotation circle number feedback device of reinforcing-bar binding machine - Google Patents
A kind of motor rotation circle number feedback device of reinforcing-bar binding machine Download PDFInfo
- Publication number
- CN204068576U CN204068576U CN201420140437.0U CN201420140437U CN204068576U CN 204068576 U CN204068576 U CN 204068576U CN 201420140437 U CN201420140437 U CN 201420140437U CN 204068576 U CN204068576 U CN 204068576U
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- resistance
- triode
- reinforcing
- binding machine
- induction coil
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Abstract
The utility model discloses a kind of motor rotation circle number feedback device of reinforcing-bar binding machine, comprise the permanent magnet in the rotating shaft of the motor being arranged on reinforcing-bar binding machine, and induction coil, voltage amplifier, photoelectrical coupler sum counter.When motor rotates, according to electromagnetic induction principle, induced electromotive force is produced in induction coil, this induced electromotive force is exaggerated by voltage amplifier circuit, then low and high level is produced by hysteresis comparator, next by optical coupling isolation circuit by signal transmission to counter, statistics motor rotating cycle, is convenient to control.The utility model has the advantages that: structure is simple, with low cost, easy to use, stable and reliable for performance, long service life.
Description
Technical field
The utility model relates to reinforcing-bar binding machine, the motor rotation circle number feedback device of a kind of reinforcing-bar binding machine of specific design.
Background technology
The usual cross arrangement of reinforcing bar of architectural use reticulates, tied silk that crosspoint needs reinforcing-bar binding machine to export be wound around tie up tighten fixing.Using motor as the reinforcing-bar binding machine of power, be provided with: wire feeder, send tied silk and be wound on around reinforcing bar; Torsional device, catches the tied silk twisted on reinforcing bar to reverse, and by the tension of reinforcing bar brute force; Filament cutting mechanism, is responsible for cutting off tying up complete tied silk.
Wherein, wire feeder and torsional device are all subject to Electric Machine Control.Wire feed process and twist process all need to measure electric machine rotation circle and live, and control the electric machine rotation number of turns, form closed-loop control.
At present, in a kind of reinforcing-bar binding machine, reducing motor number of turns controlling organization adopts and isolates a motion work from output shaft, and the cam disc that Movement transmit to reducing motor housing is arranged.According to the rotation ratio between mechanism's output shaft and cam plate, cam disc moves under the dial preset, and in the displacement inner impact of regulation and the object linking travel switch that motor output line is connected and realize controlling motor output shaft rotating cycle.The number of turns precision of this kind of mechanism controls is lower, and controls inconvenient.
Another kind of number of turns feedback mechanism is realized by encoder.But the number of turns feedback mechanism cost realized with encoder is higher, complex structure, volume is comparatively large, is unfavorable for the cost of degradation reinforcing-bar binding machine and improves its stability.
Summary of the invention
The purpose of this utility model is to provide a kind of reinforcing bar full-automatic binding machine motor rotation circle number feedback device.
The technical scheme adopted for realizing the utility model object is such, a kind of motor rotation circle number feedback device of reinforcing-bar binding machine, it is characterized in that: comprise the permanent magnet in the rotating shaft of the motor being arranged on reinforcing-bar binding machine, and induction coil, voltage amplifier, photoelectrical coupler sum counter.
Described induction coil is positioned at the side of described rotating shaft.When described permanent magnet rotates along with the rotating shaft of motor, permanent magnet often turns over one week, and induction coil L1 will cutting twice magnetic induction line, generation current.
One end of described induction coil is connected altogether with the emitter of triode, is connected after other end series connection the 3rd resistance of described induction coil with the base stage of triode.The collector electrode of described triode the second resistance of connecting successively is connected with the base stage of triode with after the first resistance.The positive pole of power supply is accessed between described second resistance and the first resistance.The collector electrode of described triode is connected with the reverse input end of voltage amplifier.After the series connection of input in the same way the 4th resistance of described voltage amplifier, be connected altogether with the emitter of triode.After output series connection the 6th resistance of described voltage amplifier, be connected with the positive pole of the second voltage stabilizing didoe.The negative pole of described second voltage stabilizing didoe is connected with the negative pole of the first voltage stabilizing didoe.The described positive pole of the first voltage stabilizing didoe is connected altogether with the emitter of triode.
The positive pole of described second voltage stabilizing didoe connects the positive pole of photoelectrical coupler input.The minus earth of described photoelectrical coupler input.The grounded emitter of described photoelectric coupler output end.The positive pole of power supply is connected after collector electrode series connection the 7th resistance of described photoelectric coupler output end.The input of the collector electrode linkage counter of described photoelectric coupler output end.
Further, described permanent magnet is the bar magnet running through described rotating shaft both sides.
Adopt the beneficial effect of the technical program to be: to be arranged on by this device on reinforcing-bar binding machine, the rotating cycle of reducing motor can be measured and it is stopped, to turn and positive and negative threadings is capable effectively controls.This apparatus structure is simple, with low cost, easy to use, stable and reliable for performance, long service life.
Accompanying drawing explanation
Fig. 1 is circuit structure diagram of the present utility model.
Embodiment
Below in conjunction with drawings and Examples, the utility model is described in further detail, but should not be construed the above-mentioned subject area of the utility model and be only limitted to following embodiment.When not departing from the above-mentioned technological thought of the utility model, according to ordinary skill knowledge and customary means, making various replacement and change, all should be included in protection range of the present utility model.
Embodiment 1:
A motor rotation circle number feedback device for reinforcing-bar binding machine, comprises the permanent magnet in the rotating shaft of the motor being arranged on reinforcing-bar binding machine, and induction coil L1, voltage amplifier U1, photoelectrical coupler U2 sum counter S.
Described induction coil L1 is positioned at the side of described rotating shaft.When described permanent magnet rotates along with the rotating shaft of motor, permanent magnet often turns over one week, and induction coil L1 will cutting twice magnetic induction line, generation current.
One end of described induction coil L1 is connected altogether with the emitter of triode Q1, is connected after other end series connection the 3rd resistance R3 of described induction coil L1 with the base stage of triode Q1.In embodiment, described triode Q1 is NPN type triode.The collector electrode of described triode Q1 is connected after the second resistance R2 and the first resistance R1 successively, is connected with the base stage of triode Q1.The positive pole of the wire access power supply between described second resistance R2 and the first resistance R1.The collector electrode of described triode Q1 is connected with the reverse input end of voltage amplifier U1.After the series connection of input in the same way the 4th resistance R4 of described voltage amplifier U1, be connected altogether with the emitter of triode Q1.After output series connection the 6th resistance R6 of described voltage amplifier U1, be connected with the positive pole of the second voltage stabilizing didoe D2.The negative pole of described second voltage stabilizing didoe D2 is connected with the negative pole of the first voltage stabilizing didoe D1.The positive pole of described first voltage stabilizing didoe D1 is connected altogether with the emitter of triode Q1.I.e. ground connection after described second voltage stabilizing didoe D2 and the first voltage stabilizing didoe D1 differential concatenation.
The present embodiment comprises a photoelectrical coupler U2, and its input is a light-emitting diode with both positive and negative polarity, and output is an optical receiver with collector and emitter.The positive pole of described second voltage stabilizing didoe D2 connects the positive pole of photoelectrical coupler U2 input.The minus earth of described photoelectrical coupler U2 input.The grounded emitter of described photoelectrical coupler U2 output.The positive pole of power supply is connected after collector electrode series connection the 7th resistance R7 of described photoelectrical coupler U2 output; The input of the collector electrode linkage counter S of described photoelectrical coupler U2 output, described counter S shows the rotating cycle of motor.
Embodiment 2
The primary structure of the present embodiment is with embodiment 1.Described permanent magnet is the bar magnet running through described rotating shaft both sides.Namely the side of described rotating shaft is the N pole of permanent magnet, opposite side is the S pole of permanent magnet.Line between the N pole of permanent magnet and S pole perpendicular to the axis of described rotating shaft, and passes the axle center of rotating shaft.
In the present embodiment, described counter S model is CU-41K.The SW1-1 of counter S is placed in ON, and SW1-2 is placed in OFF, and Puled input is to the pin 9 of CU-41K, and namely the collector electrode of photoelectrical coupler U2 output connects the pin 9 of CU-41K.
Claims (2)
1. the motor rotation circle number feedback device of a reinforcing-bar binding machine, it is characterized in that: comprise the permanent magnet in the rotating shaft of the motor being arranged on reinforcing-bar binding machine, and induction coil (L1), voltage amplifier (U1), photoelectrical coupler (U2) sum counter (S);
Described induction coil (L1) is positioned at the side of described rotating shaft; When described permanent magnet rotates along with the rotating shaft of motor, permanent magnet often turns over one week, and induction coil (L1) will cutting twice magnetic induction line, generation current;
One end of described induction coil (L1) is connected altogether with the emitter of triode (Q1), and other end series connection the 3rd resistance (R3) of described induction coil (L1) is connected with the base stage of triode (Q1) afterwards; The collector electrode of described triode (Q1) the second resistance (R2) of connecting successively is connected with the base stage of triode (Q1) afterwards with the first resistance (R1); The positive pole of power supply is accessed between described second resistance (R2) and the first resistance (R1); The collector electrode of described triode (Q1) is connected with the reverse input end of voltage amplifier (U1); After the series connection of input in the same way the 4th resistance (R4) of described voltage amplifier (U1), be connected altogether with the emitter of triode (Q1); After output series connection the 6th resistance (R6) of described voltage amplifier (U1), be connected with the positive pole of the second voltage stabilizing didoe (D2); The negative pole of described second voltage stabilizing didoe (D2) is connected with the negative pole of the first voltage stabilizing didoe (D1); The positive pole of described first voltage stabilizing didoe (D1) is connected altogether with the emitter of triode (Q1);
The positive pole of described second voltage stabilizing didoe (D2) connects the positive pole of photoelectrical coupler (U2) input; The minus earth of described photoelectrical coupler (U2) input; The grounded emitter of described photoelectrical coupler (U2) output; Collector electrode series connection the 7th resistance (R7) of described photoelectrical coupler (U2) output connects the positive pole of power supply afterwards; The input of the collector electrode linkage counter (S) of described photoelectrical coupler (U2) output.
2. the motor rotation circle number feedback device of a kind of reinforcing-bar binding machine according to claim 1, is characterized in that: described permanent magnet is the bar magnet running through described rotating shaft both sides.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420140437.0U CN204068576U (en) | 2014-03-26 | 2014-03-26 | A kind of motor rotation circle number feedback device of reinforcing-bar binding machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420140437.0U CN204068576U (en) | 2014-03-26 | 2014-03-26 | A kind of motor rotation circle number feedback device of reinforcing-bar binding machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204068576U true CN204068576U (en) | 2014-12-31 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420140437.0U Expired - Fee Related CN204068576U (en) | 2014-03-26 | 2014-03-26 | A kind of motor rotation circle number feedback device of reinforcing-bar binding machine |
Country Status (1)
| Country | Link |
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| CN (1) | CN204068576U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2020034285A1 (en) * | 2018-08-15 | 2020-02-20 | 广东顺德华焱电子科技有限公司 | Motor rotation number measurement device and method, and rebar bundling machine |
-
2014
- 2014-03-26 CN CN201420140437.0U patent/CN204068576U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2020034285A1 (en) * | 2018-08-15 | 2020-02-20 | 广东顺德华焱电子科技有限公司 | Motor rotation number measurement device and method, and rebar bundling machine |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20141231 Termination date: 20160326 |