CN203076358U - Automatic control circuit of rolling equipment - Google Patents
Automatic control circuit of rolling equipment Download PDFInfo
- Publication number
- CN203076358U CN203076358U CN 201320019602 CN201320019602U CN203076358U CN 203076358 U CN203076358 U CN 203076358U CN 201320019602 CN201320019602 CN 201320019602 CN 201320019602 U CN201320019602 U CN 201320019602U CN 203076358 U CN203076358 U CN 203076358U
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- 238000005096 rolling process Methods 0.000 title abstract 2
- 238000010923 batch production Methods 0.000 abstract description 2
- 238000006243 chemical reaction Methods 0.000 abstract 3
- 238000001125 extrusion Methods 0.000 description 20
- 238000000034 method Methods 0.000 description 3
- 230000001276 controlling effect Effects 0.000 description 2
- 230000007812 deficiency Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000003825 pressing Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 239000012467 final product Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 239000000047 product Substances 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 238000007634 remodeling Methods 0.000 description 1
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Abstract
The utility model discloses an automatic control circuit of rolling equipment. The automatic control circuit is characterized in that mains supply is connected with a direct-current motor speed regulator and a manual/automatic conversion switch by a circuit protection device; one path of output of the manual/automatic conversion switch is connected to manual switches K5, K6 and K7 so as to switch on a manually-controlled motor relay, a pressing-wheel-controlled electromagnet and a supporting-wheel-controlled electromagnet loop respectively; the output of the manually-controlled motor relay is connected between a direct-current motor speed adjuster and a direct-current motor in series; the other path of output of the manual/automatic conversion switch is connected to a time-control switching-value unit; the switching value of the time-control switching-value unit is connected with the mains supply by the pressing-wheel-controlled electromagnet and a supporting-wheel-controlled electromagnet; and the third-path switching value of the time-control switching-value unit is connected between the direct-current motor speed adjuster and the direct-current motor in series. The automatic control circuit disclosed by the utility model has the advantages that the operation by the manual mode and the automatic mode can be realized, and fast and batch production can be realized under an automatic mode.
Description
Technical field
The utility model relates to a kind of roll unit automatic control circuit, can realize manually and automatically moving of roll unit, is specially adapted to the seamless pipe roll unit.
Background technology
At present, general seamless pipe roll unit all is to adopt manual roll extrusion or self-timing roll extrusion, its weak point is: manually time-consuming, effort of roll extrusion and roll extrusion product quality disunity, the deficiency of self-timing roll extrusion then is that roll extrusion time or roll extrusion rotating speed are non-adjustable, uses inconvenient.
Summary of the invention
The technical problems to be solved in the utility model is: overcome the deficiencies in the prior art, a kind of roll unit automatic control circuit is provided, can between manual and automatic mode, change easily by manual change-over switch, the position that manual mode can be adjusted down pinch roller and support wheel separately is to reach and the cooperating of roll extrusion part, and automatic mode can be regulated different roll extrusion time and roll extrusion rotating speed down as required to reach best roll extrusion effect.
The technical scheme that its technical problem that solves the utility model adopts is:
A kind of roll unit automatic control circuit, civil power is through an end of circuit protection device connection DC motor speed-regulating device, and the other end of DC motor speed-regulating device is connected with the other end of civil power; The cascade catcher moves/automatic change-over behind the circuit protection device, one tunnel output of manual change-over switch is connected to the end of hand switch K5, K6 and K7, the hand switch K5 other end is through manually controlling the other end that motor relay is connected to civil power, and hand switch K6 and K7 control the other end that electromagnet is connected in civil power through pinch roller control electromagnet and support wheel respectively; Manually the output of control motor relay is serially connected with between DC motor speed-regulating device and the direct current generator; Another road output of manual change-over switch is connected to time switch amount unit, time switch amount unit is used for the switching value signal of output time modulation, one way switch amount of time switch amount unit is connected in civil power through pinch roller control electromagnet, another way switch amount of time switch amount unit is connected in civil power through support wheel control electromagnet, and the Third Road switching value of time switch amount unit is serially connected with between DC motor speed-regulating device and the direct current generator.
Further, described DC motor speed-regulating device, direct current generator, pinch roller control electromagnet, support wheel are controlled the electromagnet two ends and are connected electric indicator lamp.
Further, described circuit protection device comprises air switch and the emergency stop switch of connecting with it, and described emergency stop switch is a closed type.
Further, described manual change-over switch is two grades of type change-over switches or third gear type change-over switch.
Further, described time switch amount unit comprises the time relay, touch-switch K4, control relay, wherein; The coil of the time relay is connected to civil power via touch-switch K4; The coil of control relay is connected to civil power via the normally closed interlock of the touch-switch K4 and the time relay, and one road normally opened contact of control relay is formed latching circuit; One road normally opened contact of control relay is series between DC motor speed-regulating device and the direct current generator, and other two-way normally opened contact is connected in civil power through pinch roller control electromagnet and support wheel control electromagnet respectively, and forms the closed-loop path by connecting manual change-over switch.
Compared with prior art; the beneficial effects of the utility model are: can realize manually and automatic two kinds of mode operations; manual mode down can be by independent adjusting pinch roller and support wheel the position to reach and the cooperating of roll extrusion part; can realize rapid batch production under the automatic mode; running time and roll extrusion rotating speed are adjustable, and operation indication and overcurrent protection can be provided.
Description of drawings
Fig. 1 is the electric control theory block diagram of a kind of embodiment of the utility model;
Fig. 2 is the circuit theory diagrams of a kind of embodiment of the utility model.
The specific embodiment
Be described further below in conjunction with 1,2 pairs of a kind of roll unit automatic control circuits of the present utility model of accompanying drawing:
As shown in Figure 1: a kind of roll unit automatic control circuit; civil power connects an end of DC motor speed-regulating device through circuit protection device; the other end of DC motor speed-regulating device is connected with the other end of civil power, and described DC motor speed-regulating device can adopt SK-600BH DC motor speed-regulating device.The cascade catcher moves/automatic change-over behind the circuit protection device, and described manual change-over switch is two grades of type change-over switches or third gear type change-over switch, is the inoperative position in the middle of the third gear type change-over switch.One tunnel output of manual change-over switch is connected to the end of hand switch K5, K6 and K7, the hand switch K5 other end is through manually controlling the other end that motor relay is connected to civil power, and hand switch K6 and K7 control the other end that electromagnet is connected in civil power through pinch roller control electromagnet and support wheel respectively; Manually the output of control motor relay is serially connected with between DC motor speed-regulating device and the direct current generator; Another road output of manual change-over switch is connected to time switch amount unit, time switch amount unit is used for the switching value signal of output time modulation, one way switch amount of time switch amount unit is connected in civil power through pinch roller control electromagnet, another way switch amount of time switch amount unit is connected in civil power through support wheel control electromagnet, and the Third Road switching value of time switch amount unit is serially connected with between DC motor speed-regulating device and the direct current generator.
Time switch amount unit is the unit that an external output that is formed centrally in being switches on and off signal by the time relay, switching on and off signal is provided by the relay that is connected with the time relay, and relay provides switches on and off the timing controlled that signal is subjected to the time relay.
As shown in Figure 2:
Described circuit protection device comprises air switch K1 and the emergency stop switch K2 that connects with it; the L end of the termination civil power of air switch K1; the end of another termination emergency stop switch K2 of air switch K1, the other end while of emergency stop switch K2, speed regulator T, change-over switch K3 connect.
Described emergency stop switch K2 is a closed type, in emergency circumstances, presses emergency stop switch K2, the loop dead electricity, and the relay outage under the running status quits work automatically.
Control the electromagnet two ends and connect electric indicator lamp at described DC motor speed-regulating device, direct current generator, pinch roller control electromagnet, support wheel, can conveniently indicate the duty of related electric equipment, and electric having or not.
Described time switch amount unit comprises the time relay, touch-switch K4, control relay, wherein; The coil of the time relay is connected to civil power via touch-switch K4; The coil of control relay is connected to civil power via the normally closed interlock of the touch-switch K4 and the time relay, and one road normally opened contact of control relay is formed latching circuit; One road normally opened contact of control relay is series between DC motor speed-regulating device and the direct current generator, and other two-way normally opened contact is connected in civil power through pinch roller control electromagnet and support wheel control electromagnet respectively, and forms the closed-loop path by connecting manual change-over switch.
The course of work of the present utility model and operation principle are as follows:
After air switch K1 connected, circuit entered the preparation state.For safety, manual change-over switch adopts third gear type change-over switch, and when manual change-over switch was got to interposition, manual and automatic mode was not all worked.
When manual change-over switch is got to manual mode, can be respectively to control direct current generator, pinch roller control electromagnet, support wheel control electromagnet separately and finish the roll extrusion process by hand switch K5, K6, K7, the roll extrusion time can be determined by operating personnel.
When manual change-over switch is got to automatic mode, click touch-switch K4 system and promptly enter automatic operational mode, after the time that running time, arrival was set, system cuts off the power supply automatically, clicks touch-switch K4 system again and repeats said process.Automatically operating personnel only need be fixed on the roll extrusion part on the equipment in the running, after roll extrusion finishes the roll extrusion part are taken off from equipment get final product, can be set the roll extrusion time by the adjustment time relay.
No matter, when fortuitous event appears in the roll extrusion process, all can come the halt system operation by pressing emergency stop switch K2 manually still under automatic mode; When occurring the excessive situation of immediate current in system's running, air switch K can disconnect the purpose that reaches holding circuit voluntarily.
The principle of automatic operational mode: after pressing touch-switch K4, control relay gets electric work by the normally closed interlock of the time relay, and forms self-holding circuit, control relay energising work by one group of normally open contact of control relay.Power supply forms the closed-loop path through pinch roller control electromagnet, support wheel control electromagnet respectively by two groups of contacts of control relay, power supply is connected the direct current generator loop by the contact of control relay, direct current generator begins according to set condition work, after the time relay arrives setting-up time, the control relay outage, thus make automatic operational system outage.
The principle of manual mode of operation:
After the hand switch K5 closure, manually control motor relay and get electric work, manually control the contact closure of motor relay, direct current generator gets electric work.
After the hand switch K6 closure, power supply is controlled electromagnet energising work by hand switch K6 to pinch roller.
After the hand switch K7 closure, power supply is controlled electromagnet energising work by hand switch K7 to support wheel.
Control relay can adopt a relay with a plurality of contacts, also can adopt the compound mode of two relays, reaches the requirement of contact quantity.
The above, it only is preferred embodiment of the present utility model, be not to be the restriction of the utility model being made other form, any those skilled in the art may utilize the technology contents of above-mentioned announcement to be changed or be modified as the equivalent embodiment of equivalent variations.But every technical solutions of the utility model content that do not break away to any simple modification, equivalent variations and remodeling that above embodiment did, still belongs to the protection domain of technical solutions of the utility model according to technical spirit of the present utility model.
Claims (5)
1. roll unit automatic control circuit is characterized in that:
Civil power is through an end of circuit protection device connection DC motor speed-regulating device, and the other end of DC motor speed-regulating device is connected with the other end of civil power;
The cascade catcher moves/automatic change-over behind the circuit protection device, one tunnel output of manual change-over switch is connected to the end of hand switch K5, K6 and K7, the hand switch K5 other end is through manually controlling the other end that motor relay is connected to civil power, and hand switch K6 and K7 control the other end that electromagnet is connected in civil power through pinch roller control electromagnet and support wheel respectively; Manually the output of control motor relay is serially connected with between DC motor speed-regulating device and the direct current generator;
Another road output of manual change-over switch is connected to time switch amount unit, time switch amount unit is used for the switching value signal of output time modulation, one way switch amount of time switch amount unit is connected in civil power through pinch roller control electromagnet, another way switch amount of time switch amount unit is connected in civil power through support wheel control electromagnet, and the Third Road switching value of time switch amount unit is serially connected with between DC motor speed-regulating device and the direct current generator.
2. a kind of roll unit automatic control circuit according to claim 1 is characterized in that:
Electric indicator lamp is also connected in described DC motor speed-regulating device, direct current generator, pinch roller control electromagnet, support wheel control electromagnet two ends.
3. a kind of roll unit automatic control circuit according to claim 1 is characterized in that:
Described circuit protection device comprises air switch and the emergency stop switch of connecting with it, and described emergency stop switch is a closed type.
4. a kind of roll unit automatic control circuit according to claim 1 is characterized in that:
Described manual change-over switch is two grades of type change-over switches or third gear type change-over switch.
5. a kind of roll unit automatic control circuit according to claim 1 is characterized in that:
Described time switch amount unit comprises the time relay, touch-switch K4, control relay, wherein;
The coil of the time relay is connected to civil power via touch-switch K4;
The coil of control relay is connected to civil power via the normally closed interlock of the touch-switch K4 and the time relay, and one road normally opened contact of control relay is formed latching circuit; One road normally opened contact of control relay is series between DC motor speed-regulating device and the direct current generator, and other two-way normally opened contact is connected in civil power through pinch roller control electromagnet and support wheel control electromagnet respectively, and forms the closed-loop path by connecting manual change-over switch.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320019602 CN203076358U (en) | 2013-01-10 | 2013-01-10 | Automatic control circuit of rolling equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320019602 CN203076358U (en) | 2013-01-10 | 2013-01-10 | Automatic control circuit of rolling equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203076358U true CN203076358U (en) | 2013-07-24 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320019602 Expired - Fee Related CN203076358U (en) | 2013-01-10 | 2013-01-10 | Automatic control circuit of rolling equipment |
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| Country | Link |
|---|---|
| CN (1) | CN203076358U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103760812A (en) * | 2014-01-20 | 2014-04-30 | 南车株洲电力机车研究所有限公司 | Control circuit of fastening bolt lubricant pre-coating device and circuit control method |
| CN108933061A (en) * | 2017-05-18 | 2018-12-04 | 南京梅山冶金发展有限公司 | Explosive trolley delivery pipe control device and control method |
-
2013
- 2013-01-10 CN CN 201320019602 patent/CN203076358U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103760812A (en) * | 2014-01-20 | 2014-04-30 | 南车株洲电力机车研究所有限公司 | Control circuit of fastening bolt lubricant pre-coating device and circuit control method |
| CN103760812B (en) * | 2014-01-20 | 2016-08-17 | 南车株洲电力机车研究所有限公司 | The control circuit of a kind of fastening bolt precoating applicator and circuit control method |
| CN108933061A (en) * | 2017-05-18 | 2018-12-04 | 南京梅山冶金发展有限公司 | Explosive trolley delivery pipe control device and control method |
| CN108933061B (en) * | 2017-05-18 | 2019-09-20 | 南京梅山冶金发展有限公司 | Explosive trolley delivery pipe control device and control method |
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| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130724 Termination date: 20140110 |