CN110658774A - Controller for threading machine - Google Patents
Controller for threading machine Download PDFInfo
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- CN110658774A CN110658774A CN201911073467.8A CN201911073467A CN110658774A CN 110658774 A CN110658774 A CN 110658774A CN 201911073467 A CN201911073467 A CN 201911073467A CN 110658774 A CN110658774 A CN 110658774A
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- motor
- relay
- servo driver
- power supply
- single servo
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B19/00—Programme-control systems
- G05B19/02—Programme-control systems electric
- G05B19/04—Programme control other than numerical control, i.e. in sequence controllers or logic controllers
- G05B19/042—Programme control other than numerical control, i.e. in sequence controllers or logic controllers using digital processors
- G05B19/0423—Input/output
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B2219/00—Program-control systems
- G05B2219/20—Pc systems
- G05B2219/21—Pc I-O input output
- G05B2219/21014—Interface, module with relays
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- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Automation & Control Theory (AREA)
- Control Of Multiple Motors (AREA)
Abstract
The invention relates to a controller of a threading machine, which comprises a single servo driver, a translation motor M1, a clamping motor M2, a main motor M3, an encoder, a touch screen, a current sampling sensor and a plurality of relays, wherein the power input end of the single servo driver is connected with an external alternating current power supply, the output end of the single servo driver is connected with the input end of the translation motor M1, the translation motor M1 is connected with the encoder, the encoder is connected to the input end of the single servo driver in a feedback manner, the single servo driver is connected with the touch screen, the output end of the single servo driver is connected with coils of the plurality of relays, the relays respectively control forward rotation and reverse rotation of the clamping motor M2 and the main motor M3, the clamping motor M2 is connected with the current sampling sensor, and the current sampling sensor acquires current signals of the clamping motor to. The threading machine controller has the advantages of high automation degree, good reliability, high processing efficiency and high control precision.
Description
Technical Field
The invention relates to a device controller, in particular to a threading machine controller.
Background
The threading machine is a device for processing the thread of the steel bar. The traditional threading machine generally adopts a manual mode or a pneumatic mode, the threading machine adopting the manual mode generally needs 2 persons to operate one machine, time and labor are wasted, the processing efficiency is low, and particularly when reinforcing steel bars are clamped, the manual handle control is realized, and the reliability is poor; the threading machine adopting the pneumatic mode needs to be additionally provided with additional air source equipment such as an air compressor and the like, if a common air source contains moisture and impurities after treatment, faults such as air path blockage and the like are easily caused, and the cost of a high-quality air source is high. And when the traditional threading machine is debugged, various proximity switches need to be adjusted to limit the stroke, so that the operation is complex.
Disclosure of Invention
In view of the above, the present invention provides a threading machine controller with low cost, high automation degree, high reliability and processing efficiency, and convenient maintenance.
In order to achieve the above object, the present invention employs a controller for a threading machine, comprising a single servo driver, a translation motor M1, a clamping motor M2, a main motor M3, an encoder, a touch screen, a current sampling sensor, and a plurality of relays, the power input end of the single servo driver is connected with an external alternating current power supply, the output end of the single servo driver is connected with the input end of a translation motor M1, a translation motor M1 is connected with an encoder, the encoder is connected with the input end of the single servo driver in a feedback way, the single servo driver is connected with the touch screen, the output end of the single servo driver is connected with the coils of the plurality of relays, the relay respectively controls the forward rotation and the reverse rotation of the clamping motor M2 and the main motor M3, the clamping motor M2 is connected with a current sampling sensor, and the current sampling sensor collects current signals of the clamping motor to the single servo driver.
The threading machine controller uses the single servo driver as a control core to realize the control of the threading machine, and the working mode is as follows: the controller of the threading machine is started, the single servo driver drives the main motor M3 to rotate forwardly through the relay, feeding parameters of steel bar threading are set on the touch screen, the steel bar is placed on the clamping mechanism, the single servo driver controls the clamping motor M2 to rotate forwardly through the relay, the clamping motor M2 drives the clamping mechanism to clamp the steel bar, the current of the clamping motor is collected through current sampling to judge whether the clamping is carried out or not, after the clamping is carried out, the single servo driver controls the translation motor M1 to drive the main motor M3 to advance, the steel bar is peeled and rolled, after the rolling is finished, the single servo driver drives the main motor M3 to rotate reversely through the relay, the single servo driver controls the translation motor M1 to drive the main motor M3 to retreat until the translation motor returns to the original position, the main motor M3 stops, the single servo driver controls the clamping motor M2 to rotate reversely through the relay, the steel bar is loosened from the clamping mechanism, and therefore the steel bar processing flow is completed. The threading machine controller of the invention adopts the single servo driver as a control core to realize the thread rolling processing flow of the reinforcing steel bar, the operation of the three motors is controlled by one servo driver, no air source equipment is needed, the operation of the threading machine can be realized by setting parameters through a touch screen by an operator, the automation degree is high, the threading machine has the advantages of high integration level, high operation speed, high efficiency, low cost, high reliability and convenient maintenance, and the encoder feeds back the displacement distance of the translation motor to the single servo driver, thereby accurately controlling the peeling thread rolling length of the reinforcing steel bar and greatly improving the processing precision.
The invention is further provided that the relay comprises a relay K1, a relay K2, a relay K3 and a relay K4, wherein a coil of the relay K1, a coil of the relay K2, a coil of the relay K3 and a coil of the relay K4 are all connected with the output end of the single servo driver, the external alternating current power supply, the normally open contact group of the relay K1 and the clamping motor M2 are sequentially connected to form a forward rotation loop of the clamping motor M2, the external alternating current power supply, the normally open contact group of the relay K2 and the clamping motor M2 are sequentially connected to form a reverse rotation loop of the clamping motor M2, the external alternating current power supply, the normally open contact group of the relay K3 and the main motor M3 are sequentially connected to form a forward rotation loop of the main motor M3, and the external alternating current power supply, the normally open contact group of the relay K4 and the main motor M3 are sequentially.
The single servo driver controls the energization of the coil of the relay K1, the coil of the relay K2, the coil of the relay K3 and the coil of the relay K4 through the DB44 interface, so that the clamping and releasing of the clamping motor M2 and the forward rotation and the reverse rotation of the main motor M3 are realized, and the mode that the relay drives the motor to work is simple and reliable.
The invention is further arranged in a way that the controller of the threading machine also comprises a switch power supply, wherein the input end of the switch power supply is connected with an external alternating current power supply, the switch power supply outputs 24V direct current voltage, and the switch power supply respectively provides working voltage for the single servo driver and the relay.
The adoption of the switching power supply for supplying 24V direct-current voltage to the double-servo driver and the relay improves the reliability of power supply of the controller of the threading machine, so that the control system of the threading machine is stable and reliable.
The invention is further arranged in such a way that the touch screen is connected with the single servo driver through an RS485 interface.
The servo driver is communicated with the touch screen through the data bus, and the operations of starting, stopping, state checking, fault analysis, manual equipment debugging, processing counting and the like are realized in the touch screen. The touch screen can not only enable an operator to conveniently set parameters, but also display the working state of the threading machine, thereby realizing human-computer interaction.
The invention is further provided with an emergency stop switch F2 arranged between the power supply input end of the single servo driver and an external alternating current power supply.
When the abnormal condition occurs in the controller of the threading machine, the power supply of the single servo driver can be cut off in time by pressing the emergency stop switch F2, so that each motor stops working, and the use safety of an operator and the threading machine is ensured.
The invention is further arranged that the translation motor M1 adopts a servo motor, and the clamping motor M2 and the main motor M3 both adopt three-phase asynchronous motors.
Above-mentioned translation motor M1 adopts servo motor, and the precision that drives the reinforcing bar displacement is high, can promote the machining precision of mantle fiber reinforcing bar.
Drawings
FIG. 1 is a block diagram of the principle of a threading machine controller according to an embodiment of the present invention.
FIG. 2 is a schematic circuit diagram of a controller of a threading machine according to an embodiment of the invention.
FIG. 3 is a schematic diagram of a controller circuit of the threading machine according to an embodiment of the invention.
Detailed Description
As shown in fig. 1 and 2, the invention is a controller of a threading machine, which comprises a single servo driver, a translation motor M1, a clamping motor M2, a main motor M3, an encoder, a touch screen, a switching power supply, a current sampling sensor and a plurality of relays, wherein the translation motor M1 adopts a servo motor, the power input end of the single servo driver is connected with one phase of an external alternating current power supply, the output end of the single servo driver is connected with the input end of the translation motor M1, the translation motor M1 is connected with the encoder, the encoder is connected with the input end of the single servo driver in a feedback manner, the single servo driver is connected with the touch screen through an RS485 interface, the output end of the single servo driver is connected with coils of the plurality of relays, the relays respectively control the forward rotation and the reverse rotation of the clamping motor M2 and the main motor M3, the clamping motor M2 is connected with the current sampling sensor, the current sampling sensor collects current, the input end of the switching power supply is connected with an external alternating current power supply, the switching power supply outputs 24V direct current voltage, and the switching power supply provides working voltage for the single servo driver and the relay respectively.
As shown in fig. 2 and 3, the clamping motor M2 and the main motor M3 both adopt three-phase asynchronous motors, the relay comprises a relay K1, a relay K2, a relay K3 and a relay K4, a coil of the relay K1, a coil of the relay K2, a coil of the relay K3 and a coil of the relay K4 are all connected with the output end of the single servo driver, the external alternating current power supply, the normally open contact group of the relay K1 and the clamping motor M2 are sequentially connected to form a forward rotation circuit of the clamping motor M2, the external alternating current power supply, the normally open contact group of the relay K2 and the clamping motor M2 are sequentially connected to form a reverse rotation circuit of the clamping motor M2, the external alternating current power supply, the normally open contact group of the relay K3 and the main motor M3 are sequentially connected to form a forward rotation circuit of the main motor M3, the external alternating current power supply, the normally open contact group of the relay K4 and the main motor M3, an emergency stop switch F2 is arranged between the power supply input end of the single servo driver and an external alternating current power supply.
According to the above embodiment, the operating principle of the threading machine controller of the present invention is as follows: starting a threading machine controller, enabling a single servo driver to enable a main motor M3 to rotate forwards by controlling a relay K3, enabling an operator to set feeding distance parameters of steel bar threading on a touch screen, placing a steel bar on a threading machine clamping mechanism, enabling the single servo driver to enable a clamping motor M2 to perform clamping work by controlling a relay K1, enabling a current sampling sensor to feed current signals on the clamping motor M2 back to the single servo driver, judging that the steel bar is clamped when the sampling current reaches a set threshold value, enabling the single servo driver to drive a translation motor M1 to advance simultaneously after the steel bar is clamped, enabling a translation motor M1 to drive the main motor M3 to advance according to the set distance, enabling the main motor M3 to perform peeling and thread rolling on the steel bar, enabling the single servo driver to enable the main motor M3 to rotate backwards by controlling the relay K4 after the steel bar is rolled, and simultaneously enabling the single servo driver to control the translation motor M1 to drive the main motor M3 to retreat until the translation motor M1 returns to the original position, the main motor M1 stops working, and the single servo driver enables the clamping motor M2 to loosen the steel bars through controlling the relay K2, so that a processing flow of the steel bars is completed. The threading machine controller of the invention utilizes the servo driver to carry out high-precision control and quick response on the servo motor and carry out precise threading on the reinforcing steel bar, thus leading the threading machine to have high working efficiency and stable and reliable operation.
Claims (6)
1. A mantle fiber machine controller which characterized in that: including single servo driver, translation motor M1, clamp motor M2, main motor M3, encoder, touch-sensitive screen, current sampling sensor and a plurality of relay, outside alternating current power supply is connected to single servo driver's power input end, and translation motor M1's input is connected to single servo driver's output, and translation motor M1 is connected with the encoder, and encoder feedback connection is to single servo driver's input, single servo driver is connected with the touch-sensitive screen, and the coil of a plurality of relays is connected to single servo driver's output, the corotation and the reversal of clamp motor M2 and main motor M3 are controlled respectively to the relay, clamp motor M2 connects current sampling sensor, current sampling sensor gathers the current signal to single servo driver of clamp motor.
2. The threading machine controller of claim 1, wherein: the relay comprises a relay K1, a relay K2, a relay K3 and a relay K4, wherein a coil of the relay K1, a coil of the relay K2, a coil of the relay K3 and a coil of the relay K4 are connected with the output end of the single servo driver, an external alternating current power supply, a normally open contact group of the relay K1 and a clamping motor M2 are sequentially connected to form a forward rotation loop of the clamping motor M2, an external alternating current power supply, a normally open contact group of the relay K2 and a clamping motor M2 are sequentially connected to form a reverse rotation loop of the clamping motor M2, the external alternating current power supply, the normally open contact group of the relay K3 and a normally open contact group of the main motor M3 are sequentially connected to form a forward rotation loop of the main motor M3, and the external alternating current power supply, the normally open contact group of the relay K4 and the main motor M36.
3. A threading machine controller according to claim 1 or 2, characterized in that: the controller of the threading machine further comprises a switch power supply, wherein the input end of the switch power supply is connected with an external alternating current power supply, the switch power supply outputs 24V direct current voltage, and the switch power supply provides working voltage for the single servo driver and the relay respectively.
4. A threading machine controller according to claim 1 or 2, characterized in that: the touch screen is connected with the single servo driver through an RS485 interface.
5. A threading machine controller according to claim 1 or 2, characterized in that: an emergency stop switch F2 is arranged between the power supply input end of the single servo driver and an external alternating current power supply.
6. A threading machine controller according to claim 1 or 2, characterized in that: the translation motor M1 adopts a servo motor, and the clamping motor M2 and the main motor M3 both adopt three-phase asynchronous motors.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911073467.8A CN110658774A (en) | 2019-11-05 | 2019-11-05 | Controller for threading machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911073467.8A CN110658774A (en) | 2019-11-05 | 2019-11-05 | Controller for threading machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110658774A true CN110658774A (en) | 2020-01-07 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911073467.8A Pending CN110658774A (en) | 2019-11-05 | 2019-11-05 | Controller for threading machine |
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| CN (1) | CN110658774A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115049170A (en) * | 2022-08-16 | 2022-09-13 | 启东先和丝杠制造有限公司 | Method for debugging threading work of threading machine controller |
-
2019
- 2019-11-05 CN CN201911073467.8A patent/CN110658774A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115049170A (en) * | 2022-08-16 | 2022-09-13 | 启东先和丝杠制造有限公司 | Method for debugging threading work of threading machine controller |
| CN115049170B (en) * | 2022-08-16 | 2022-10-25 | 启东先和丝杠制造有限公司 | Method for debugging threading work of threading machine controller |
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