CN202881341U - Annealing control system for intermediate wire drawing machine - Google Patents
Annealing control system for intermediate wire drawing machine Download PDFInfo
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- CN202881341U CN202881341U CN 201220563021 CN201220563021U CN202881341U CN 202881341 U CN202881341 U CN 202881341U CN 201220563021 CN201220563021 CN 201220563021 CN 201220563021 U CN201220563021 U CN 201220563021U CN 202881341 U CN202881341 U CN 202881341U
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- annealing
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- thyristor
- regulation
- linear velocity
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Abstract
The utility model relates to an annealing control system for an intermediate wire drawing machine, solving the problem that a traditional mode cannot perform accurate annealing control. The system comprises an annealing main loop and an annealing control loop, wherein the annealing main loop is formed by an annealing transformer and a thyristor variable voltage rectifier; the annealing control loop comprises a thyristor trigger controller; the output end of the thyristor trigger controller is correspondingly connected with the trigger end of each thyristor of the thyristor variable voltage rectifier; the thyristor trigger controller is used for sampling the output voltage of the thyristor variable voltage rectifier; an annealing voltage given input end is connected with an outgoing speed synchronous signal; and the outgoing speed synchronous signal is used for feeding back the outgoing speed of the intermediate wire drawing machine. According to the annealing control system, closed control on annealing voltage and outgoing speed is adopted, the trigger of the thyristor is controlled according to the outgoing speed and actual annealing voltage, and the annealing current is kept to be constant by regulating the output annealing voltage, so that accurate annealing is guaranteed.
Description
Technical field
The utility model relates to a kind of Medium drawing mach ine annealing electric control system.
Background technology
In the electric wire production process, such as Fig. 1, wire passes through Medium drawing mach ine 100, annealing chamber 200 successively, arrive take-up 300, wire is the meeting hardening after drawing wire machine cold-drawn processing, carries out anneal to eliminate stress and the defective in the wire, make it to return to cold working front physics and mechanical property, the wire flexibility is greatly improved after the annealing, elongation rate of tensile failure for example, and counter-bending and twisting property is greatly improved.
Traditional annealing regulation method is to realize with AC voltage adjusting, with an annealing transformer and SCR AC regulator.Controlling System as shown in Figure 2, Medium drawing mach ine annealing regulation system, comprise annealing master loop (left side) and annealing regulation loop (right side), the annealing master loop is made of annealing transformer T1 and silicon-controlled voltage regulation rectifier, the annealing regulation loop comprises a thyristor trigger device 1A, the output terminal (G1, G2, G3, G4, G5, G6) of this thyristor trigger device 1A and the corresponding connection of each silicon controlled trigger end of silicon-controlled voltage regulation rectifier; The annealing voltage given input terminus GD of thyristor trigger device connects manually annealing voltage given potentiometer RP1.
The exact annealing process process need guarantees the annealing current constant, otherwise " half-cooked (softening bad) " and " burning " phenomenon can occur.And for above-mentioned Controlling System, in order to guarantee the current constant of annealing, electric current=voltage/resistance, the resistance of the copper cash of resistance=preseting length, unit time process, obviously need the annealed copper wire diameter, go out linear velocity and annealing voltage keep constant relationship, guarantee is synchronous.
Above-mentioned Controlling System only has manual control, also without any feedback, obviously can not realize the exact annealing process process.
Specifically, existing system has problems and mainly contains: the operator often only is placed on potentiometer on the specified position, clicks button, and electric current will sharply rise, and often can occur; If there is voltage fluctuation, the just corresponding amplitude of oscillation of current value causes wire to blow easily, and it is softening bad wire discontinuity perhaps can to occur.Traditional way is paid close attention to take-up speed by operator, can not guarantee and go out between linear velocity and annealing voltage, the electric current synchronously, the annealing weak effect.And there is the low speed dead band in annealing device, if directly linear velocity is controlled when low speed and start and stop, the annealing phenomenon occurs easily, causes the copper cash variable color or blows.
The utility model content
The purpose of this utility model provides a kind of Medium drawing mach ine annealing electric control system, the problem that can not carry out exact annealing process control in order to solve traditional way.
For achieving the above object, scheme of the present utility model is: a kind of Medium drawing mach ine annealing regulation system, comprise annealing master loop and annealing regulation loop, the annealing master loop is made of annealing transformer and silicon-controlled voltage regulation rectifier, the annealing regulation loop comprises a thyristor trigger device, the corresponding connection of each silicon controlled trigger end of the output terminal of this thyristor trigger device and described silicon-controlled voltage regulation rectifier; It is characterized in that, the sample output voltage of described silicon-controlled voltage regulation rectifier of described thyristor trigger device, annealing voltage given input terminus connects linear velocity synchronizing signal (e), goes out linear velocity synchronizing signal (e) feedback Medium drawing mach ine and goes out linear velocity.
The contact of described annealing voltage given input terminus by a time delay closing relay (KT1) connects the adjustable side of a trimmer potentiometer (RP2), applies the described linear velocity synchronizing signal that goes out on the described fine setting steady arm (RP2).
Described annealing voltage given input terminus is selected to connect manual annealing voltage given potentiometer (RP1) or is gone out the linear velocity synchronizing signal by system selector switch (1SS).
The utility model adopts annealing voltage and goes out the linear velocity Closed control, triggers with actual annealing voltage control silicon controlled according to going out linear velocity, and regulation output annealing voltage makes the electric current of annealing keep constant, guarantees exact annealing process.
In addition, for fear of occurring the annealing phenomenon when the low speed, adopt the delayed contact of timing relay, remove to control the given signal of two closed loop silicon controlled toggles, realize the output voltage time-delay.Only have when linear velocity rises to a certain degree, conducting is just understood in the time closing contact, for the thyristor trigger device provides the linear velocity synchronizing signal.
Description of drawings
Fig. 1 is annealing process procedure figure;
Fig. 2 is existing Controlling System figure;
Fig. 3 is Controlling System figure of the present utility model;
Fig. 4 be Controlling System go out linear velocity sync section and electrical control division component.
Embodiment
The utility model is described in more detail below in conjunction with accompanying drawing.
As shown in Figure 3, Figure 4, a kind of Medium drawing mach ine annealing regulation system, comprise annealing master loop and annealing regulation loop, the annealing master loop is made of annealing transformer and silicon-controlled voltage regulation rectifier T1, the annealing regulation loop comprises a thyristor trigger device 1A, the corresponding connection of each silicon controlled trigger end of the output terminal of this thyristor trigger device 1A and silicon-controlled voltage regulation rectifier.Be unlike the prior art, the output voltage of thyristor trigger device 1A sampling silicon-controlled voltage regulation rectifier, such as Uf1, the Uf2 input terminus access R1 both end voltage of 1A among Fig. 3, R1, R2 form the series connection bleeder circuit, R1 both end voltage feedback annealing voltage.Annealing voltage given input terminus connects linear velocity synchronizing signal e, goes out linear velocity synchronizing signal e feedback Medium drawing mach ine and goes out linear velocity.Thereby form two closed-loop controls of voltage close loop and speed closed loop, with accurate control annealing electric current.
Be provided with a switch 1SS in the circuit, specifically can adopt three toggle switches, when placing manual position, similar with prior art, slow regulator potentiometer RP1 obtains any output voltage clockwise, between 0～10V, regulate given voltage, the volts DS of exportable 0～50V.1SS places the interlock position, and the direct current annealing regulation is from the speed of motion tracking production line.Concrete mode of connection as shown in Figure 4, annealing voltage given input terminus connects the adjustable side of a trimmer potentiometer RP2 by the contact of a time delay closing relay KT1, applies out linear velocity synchronizing signal e on the fine setting steady arm RP2.
The effect of the contact of time delay closing relay KT1 is: when just starting shooting (low speed), annealing voltage adds the fashionable easy annealing phenomenon that occurred, and can cause copper cash to blow; For avoiding occurring this phenomenon, by KT1 the low speed segment dead band is effectively compensated control, to only have when linear velocity rises to a certain degree (such as 250m/min), the time closing contact of KT1 is just connected.It is 5～10 seconds that 250m/min generally needs the delay time of the corresponding KT1 of adjustment.Consider the situation that description is many, can obtain optimum value according to the suitable regulator potentiometer RP2 of processing requirement, satisfy the continuous annealing voltage of conductor.
Fig. 4 right side is electric control system, by just controlling the operation of complete machine by 1SA start button or 1SB stop button and stopping, to realize the running of production line, when 1A occurs when unusual for two closed loop silicon controlled toggles, the 2K normally closed contact disconnects, 1K relay1 coil dead electricity, complete machine stops, the 2K normally opened contact is closed simultaneously, and the 2H trouble indicating lamp is bright, sends alarm.
Claims (3)
1. Medium drawing mach ine annealing regulation system, comprise annealing master loop and annealing regulation loop, the annealing master loop is made of annealing transformer and silicon-controlled voltage regulation rectifier, the annealing regulation loop comprises a thyristor trigger device, the corresponding connection of each silicon controlled trigger end of the output terminal of this thyristor trigger device and described silicon-controlled voltage regulation rectifier; It is characterized in that, the sample output voltage of described silicon-controlled voltage regulation rectifier of described thyristor trigger device, annealing voltage given input terminus connects linear velocity synchronizing signal (e), goes out linear velocity synchronizing signal (e) feedback Medium drawing mach ine and goes out linear velocity.
2. a kind of Medium drawing mach ine annealing regulation according to claim 1 system, it is characterized in that, the contact of described annealing voltage given input terminus by a time delay closing relay (KT1) connects the adjustable side of a trimmer potentiometer (RP2), applies the described linear velocity synchronizing signal that goes out on the described fine setting steady arm (RP2).
3. a kind of Medium drawing mach ine annealing regulation according to claim 1 system is characterized in that, described annealing voltage given input terminus is selected to connect manually annealing voltage given potentiometer (RP1) or gone out the linear velocity synchronizing signal by system selector switch (1SS).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220563021 CN202881341U (en) | 2012-10-30 | 2012-10-30 | Annealing control system for intermediate wire drawing machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220563021 CN202881341U (en) | 2012-10-30 | 2012-10-30 | Annealing control system for intermediate wire drawing machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202881341U true CN202881341U (en) | 2013-04-17 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220563021 Withdrawn - After Issue CN202881341U (en) | 2012-10-30 | 2012-10-30 | Annealing control system for intermediate wire drawing machine |
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| CN (1) | CN202881341U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102925659A (en) * | 2012-10-30 | 2013-02-13 | 河南省通信电缆有限公司 | Annealing control system of intermediate wire drawing machine |
| CN107142370A (en) * | 2017-06-25 | 2017-09-08 | 苏州金钜松机电有限公司 | A kind of Medium drawing mach ine annealing regulation system |
-
2012
- 2012-10-30 CN CN 201220563021 patent/CN202881341U/en not_active Withdrawn - After Issue
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102925659A (en) * | 2012-10-30 | 2013-02-13 | 河南省通信电缆有限公司 | Annealing control system of intermediate wire drawing machine |
| CN102925659B (en) * | 2012-10-30 | 2014-09-03 | 河南省通信电缆有限公司 | Annealing control system of intermediate wire drawing machine |
| CN107142370A (en) * | 2017-06-25 | 2017-09-08 | 苏州金钜松机电有限公司 | A kind of Medium drawing mach ine annealing regulation system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20130417 Effective date of abandoning: 20140903 |
|
| RGAV | Abandon patent right to avoid regrant |