CN2412678Y - Microprocessor program control electric heating high-strengrh reiforced bar button head machine - Google Patents
Microprocessor program control electric heating high-strengrh reiforced bar button head machine Download PDFInfo
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- CN2412678Y CN2412678Y CN 99230254 CN99230254U CN2412678Y CN 2412678 Y CN2412678 Y CN 2412678Y CN 99230254 CN99230254 CN 99230254 CN 99230254 U CN99230254 U CN 99230254U CN 2412678 Y CN2412678 Y CN 2412678Y
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Abstract
The utility model relates to a microcomputer program-controlled electric heating high-strength reinforcing bar heading machine, which is composed of a heading mechanism, a gas-liquid working loop and a microcomputer program-controlled heating circuit. The microcomputer program-controlled heating circuit controls the operation of the gas-liquid working loop, an upsetting oil cylinder in the heading mechanism and a clamping oil cylinder are operated under the control of the gas-liquid working loop, and an upsetting hammer and a clamp are driven. The centers of the clamp, the upsetting hammer and the upsetting oil cylinder are arranged on one horizontal line. The utility model successfully solves the phenomena of a broken head, an inclined head, cracking, unequal size and the defect of large strength loss of a reinforcing bar existing in a reinforcing bar heading in the past, and the utility model causes the size of a heading reinforcing bar which is upset to be coincident. In addition, the utility model has the advantages of small strength loss and high qualification rate.
Description
The utility model relates to a kind of device that the deformed bar that uses in reinforced concrete pipe pile, water pipe, the electric pole is carried out heading.
At present, during the framework of steel reinforcement of China in making prestressed reinforced concrete pipe pile, water pipe, electric pole,, generally be the method that adopts heating heading, high-frequency heating heading or the normal temperature heading of the butt welding machine transformation of the way to the heading of deformed bar.Because what reinforced concrete pipe pile used is high strength cast iron, the carbon containing height, the method of these headings not only production efficiency is low, and make easily to break in reinforcing bar heading place, mashed head, mechanical strength loss crooked, that make the reinforcing bar head be excessive, reinforcing bar head fracture when causing stretch-draw, greatly reduce the qualification rate of heading reinforcing bar, make product quality can not get guaranteeing.Since the reform exploitation, particularly in recent years, along with steering a steady course of economy, driven the flourish of causes such as harbour, bridge, skyscraper, demand to reinforced concrete pipe pile increases year by year, quality requirements to " stake " is also more and more higher, and therefore the heading method before not only not satisfying the needs of building development aspect " amount ", the more important thing is that " matter " can't reach the engineering index.
The purpose of this utility model is to provide with a kind of microcomputor program control electrical heating high tensile reinforcement button head machine to society
The utility model is made up of heading mechanism, gas-liquid work loop, program control heater circuit three parts.Heading mechanism is made of base member case, steel frame, rammer hammer, slide block, anchor clamps, upsetting oil cylinder and clamping cylinder.Steel frame is installed in the base member case top, and slide block is installed on the clamping cylinder piston rod, places steel frame one side, can be in the drive lower slider of clamping cylinder; Anchor clamps have two, and one is fixed on the slide block, and another is fixed on the steel frame opposite side; The hammer of upsetting is installed on the upsetting oil cylinder piston bar, and the steel frame on its opposite is lower, forms openly, and the reinforcing bar of being convenient to heading is put into.The center of two anchor clamps, rammer hammer and upsetting oil cylinders is on same horizontal line, and the reinforcing bar of upsetting different-diameter only need change corresponding anchor clamps and get final product.
Gas-liquid work loop is made up of air compressor, intake valve, air filtration gas-water separation pressure demonstration three linked piece, air-powered electromagnetic reversal valve, air-liquid converter, pressurizing cylinder, air regulator and check valve etc., in order to the work of control upsetting oil cylinder and clamping cylinder.
Microcomputor program control electric heating circuit is made up of microcomputer master control borad, programme-control setting apparatus, working instruction signal circuit, synchronizing signal power source generator, control relay circuit, triggering signal amplifier, feedback comparison circuit, heating major loop.
The operation principle of microcomputor program control electric heating circuit is as follows:
After connecting power supply, synchronizing signal power supply and programme-control setting apparatus are started working, the output continuous signal passes to the microcomputer master control borad, after the microcomputer master control borad receives working instruction signal, by the size of heating current, time-program(me) etc. are carried out calculation process, export two path control signal then, the one tunnel passes to control relay circuit, controls the work of clamping cylinder and upsetting oil cylinder by the open and close of the air-powered electromagnetic reversal valve in the control gas-liquid work loop; Amplify through the triggering signal amplifier on another road, trigger the bidirectional triode thyristor in the heating major loop, the output voltage and the heating current of control heating transformer make the permanent straight stable heating current of heating transformer output, thereby reach the programme-control purpose to reinforcing bar clamping, heating, heading.
The utility model adopts heating of microcomputor program controlling resistance and gas-liquid to clamp the frame mode of heading, successful solution the mashed head, torticollis, the phenomenon that ftractures, differs in size and the reinforced steel bar strength that occur in the reinforcing bar heading in the past lose too big defective, make that the steel bar end size of being upset is consistent, loss of strength is little, the qualification rate height.And, because the utility model adopts pressure air, after the gas-liquid convertor turbocharge, act on pressurized cylinder, reinforcing bar is carried out clamping and heading, therefore heading power is big in the course of the work, and friction operates steadily.
The utility model source of the gas is 7.2Kg/CM
2The time, maximum clamping force is 50T, maximum upset force is 16T; Input voltage is AC380V, and rated capacity is 11KVA, and maximum heat current is 5500A.Wide and the low cost and other advantages of the reinforcing bar material that have light change rational in infrastructure, small-sized, air cooling is removable, the power consumption air consumption is few, easy to operate, operating rate fast, is suitable for.
Following structure accompanying drawing knot the utility model is described further.
Fig. 1 is a structural representation of the present utility model.
Fig. 2 is the vertical view of Fig. 1.
Fig. 3 is the left view of Fig. 1.
Fig. 4 is the right view of Fig. 1.
Fig. 5 is a gas-liquid work loop diagram of the present utility model.
Fig. 6 is the functional-block diagram of program control electric heating circuit of the present utility model.
Fig. 7 is the electrical schematic diagram of program control electric heating circuit of the present utility model.
As Fig. 1-shown in Figure 4, heading of the present utility model mechanism is made of base member case 6, steel frame 5, upset hammer 2, slide block 1, anchor clamps 3,4 upsetting oil cylinder C2 and clamping cylinder C1.Steel frame 5, clamping cylinder C1 and upsetting oil cylinder C2 are installed in base member case 6 top left side (as shown in Figure 1), and clamping cylinder C1 is positioned at steel frame 5 one sides, and slide block 1 promptly is installed on its piston rod that passes steel frame 5, can be in the drive lower slider of clamping cylinder C1.In two anchor clamps, anchor clamps 3 are fixed on the slide block 1, and anchor clamps 4 are fixed on steel frame 5 opposite sides; The hammer 2 of upsetting is installed on the upsetting oil cylinder C2 piston rod, and the steel frame 5 on its opposite is lower, forms openly, and the reinforcing bar of being convenient to heading is put into.The center of two anchor clamps 3, rammer hammer 2 and upsetting oil cylinder C2 is on same horizontal line, and the reinforcing bar of upsetting different-diameter only need change corresponding anchor clamps and get final product.
As Fig. 1, Fig. 2, Fig. 4 and shown in Figure 6, gas-liquid work of the present utility model loop shows that by air compressor (not drawing among the figure), intake valve SV, air filtration gas-water separation pressure three linked piece RePAFO, air-powered electromagnetic reversal valve SV1-SV4, air-liquid converter Ch1-Ch4, pressurizing cylinder BS1, BS2, air regulator Re1, Re2 and check valve CV1-CV2 etc. form.
Air filtration gas-water separation pressure shows that three linked piece RePAFO and air-liquid converter Ch1-Ch4, intake valve SV are installed in base member case 6 top right side, and air-powered electromagnetic reversal valve SV1-SV4, pressurizing cylinder BS1 and BS2, air regulator Re1, Re2 etc. then are installed in the base member case 6.
Air compressor is an outside corollary equipment of the present utility model, shows that with air filtration gas-water separation pressure the input of three linked piece RePAFO links to each other by intake valve SV.Air filtration gas-water separation pressure shows that three linked piece RePAFO has two outputs, one end links to each other with the air inlet of air-powered electromagnetic reversal valve SV1 and SV2 by air regulator Re1, check valve CV1 simultaneously, and the gas outlet of air-powered electromagnetic reversal valve SV2 is connected with the supercharging air chamber of pressurizing cylinder BS1; Air-powered electromagnetic reversal valve SV1 then has two gas outlets, the air chamber of air-liquid converter Ch1 is received in gas outlet 1,2 whiles of gas outlet link to each other with the decompression air chamber of pressurizing cylinder BS1 and the air chamber of air-liquid converter Ch2, and grease chamber's interface 1 of pressurizing cylinder BS1 is connected with the interface 1 of the grease chamber of air-liquid converter Ch1 and check valve CV2; Grease chamber's interface 2 of pressurizing cylinder BS1 is connected with the interface 2 that ejects chamber and check valve CV2 of clamping cylinder C1, and grease chamber's interface of air-liquid converter Ch2 links to each other with the return chamber of clamping cylinder C1.
Air filtration gas-water separation pressure shows that another output of three linked piece RePAFO is connected with the air inlet of air-powered electromagnetic reversal valve SV3 and SV4 by air regulator Re2, the gas outlet of air-powered electromagnetic reversal valve SV4 is connected with the supercharging air chamber of pressurizing cylinder BS2, the gas outlet 2 of air-powered electromagnetic reversal valve SV3 is connected with the air chamber of the decompression air chamber of pressurizing cylinder BS2 and air-liquid converter Ch4, the gas outlet 1 of air-powered electromagnetic reversal valve SV3 is connected with the air chamber of gas-liquid commutator Ch3, the grease chamber of gas-liquid commutator Ch3 is connected with grease chamber's interface 1 of the interface 1 of check valve CV3 and pressurizing cylinder BS2, grease chamber's interface 2 of pressurizing cylinder BS2 is connected with the return chamber of the interface 2 of check valve CV3 with upsetting oil cylinder C2, and the grease chamber of air-liquid converter Ch4 is connected with the chamber interface that ejects of upsetting oil cylinder C2.
As Fig. 6, shown in Figure 7, microcomputor program control electric heating circuit of the present utility model is made up of microcomputer master control borad I, programme-control setting apparatus VII, working instruction signal circuit II, synchronizing signal power source generator IV, control relay circuit VIII, triggering signal amplifier III, feedback comparison circuit VI, heating major loop V.
Microcomputer master control borad I is made up of single-chip microcomputer, latch, memory, A/D converter, buffer, driver.Single-chip microcomputer selects 8031 for use, latch selects that 74LS373, memory select 2764 for use for use, converter selects that ADC0804, buffer select for use for use, and what be that 74LS244, driver select for use is 7406.
The control relay circuit VIII is made of diode D1-D4, capacitor C1, regulator block 78724, photoelectric coupling circuit U3-U6 and relay J 1-J4.Its operation principle is: the 380V power supply is through transformer B1 step-down, again after D1-D4 rectification, form voltage-stabilized power supply through C1,78724, the input of U3, U4, U5, U6 connects 9,10,11,12 pin of microcomputer master control borad single-chip microcomputer, the coil of electrical equipment J1, J2, J3, J4 is succeeded in output, control air-powered electromagnetic reversal valve SV1, SV2, SV3, SV4.
Working instruction signal circuit II is made of floor push and photoelectric coupling circuit U1, and floor push one end is connected with the ground of power supply, and the input of other end U1 connects, 1 pin of the output termination master control borad of U1.
Triggering signal amplifier III is made of diode D9-D12, controllable silicon 3CT, Zener diode W2, capacitor C2, photoelectric coupling circuit U2, and 2 pin of master control borad connect the input of U2, and the output of U2 meets D and the F of 3CT.Its operation principle is: the 380V power supply by its secondary output synchro source, meets D and the R3 of 3CT after D9-D12 rectification after the B1 step-down, outputs to C ', the G ' that heats major loop VKS through C2, W2 voltage regulation filtering by C, G then,
Synchronizing signal power source generator IV is by diode D13-D16, D17, capacitor C3, C4, regulator block 7805 constitutes, and its operation principle is: the 380V power supply is by B1 level output, through D13-D16 rectification, D17, C3, C4,7805 voltage stabilizings, filtering connect master control borad 3 pin, as the master control borad working power, voltage also by R4, R5, BG dividing potential drop, connects master control borad 4 pin after the rectification, as the synchro source of CPU, ground wire connects 5 pin of master control borad.
Heating major loop V is by bidirectional triode thyristor KS, heating transformer B2 and current transformer CT, resistance R b, Rf form, power supply A receives the input of bidirectional triode thyristor KS mutually, the output C ' of bidirectional triode thyristor receives an elementary end of heating transformer, Rf is that thermistor is in parallel with bidirectional triode thyristor, and the power supply B overcurrent transformer CT that communicates receives the elementary other end of heating transformer.Elementary and the current transformer CT of double silicon control pipe KS, transformer B2 and Rf constitute primary return, and the secondary end of B2 is used for welding fixture, and the other end is used to connect the hammer of upsetting, and form heating circuit.
Feed back the comparison circuit VI by diode D18-D21, variable resistor W1, W2 and change-over switch K form.It from heating major loop CT and and connect feedback ratio that resistance R b obtains than electric current, by setting electric current respectively or the comparison electric current connects master control borad 6 pin in 0 at the center of change-over switch K.
Programme-control setting apparatus VII is formed matrix circuit by 10 dual-in-lines (DIP) switch, and its output connects 7,8 pin of master control borad.The utility model is set the plate device by programme-control will be divided into T1-T10 totally ten active sections the working time, and concrete control time of T1-T10 can be regulated setting according to factors such as the thickness of institute's upsetting bar diameter size, heading and diameter.
B1 is the utility power transformer of III, IV, VIII.
The utility model only needs in advance in use by programme-control setting apparatus and feedback comparison circuit setting program control time and heating current respectively, and remainder is controlled automatically by microcomputer master control borad and corresponding software.
The coil of SV1 air-operated solenoid valve connects microcomputer relay J 1; The coil of SV2 air-operated solenoid valve connects microcomputer relay J 2; The coil of SV3 air-operated solenoid valve connects microcomputer relay J 3; The coil of SV4 air-operated solenoid valve connects microcomputer relay J 4; Floating holder 1 is installed on the clamping cylinder, upsetting hammer 3 is installed on the upsetting oil cylinder.
The connection system also keeps air pressure about 7kg/cm, step on floor push KA, microcomputor program control enters duty, move at T1 time period magnetic valve SV1, compressed air enters the air chamber of air-liquid converter Ch1, promote piston hydraulic oil is sent into the chamber that ejects of compressed oil cylinder C1, promote piston and anchor clamps reinforcing bar is clamped.
In the T2 time period, magnetic valve SV2 action, compressed air enters the supercharging air chamber of pressurizing cylinder BS1, promotes piston hydraulic oil is delivered to the chamber that ejects of clamping cylinder c1, and strengthens the pressure of its piston, the reinforcing bar firm grip.
In the T3 time period, magnetic valve SV3 action, compressed air enters the air chamber of air-liquid converter Ch3, promotes piston hydraulic oil is sent into the chamber that ejects of upsetting oil cylinder, promote piston and upset hammer gently push the reinforcing bar head.
In the T4 time period, the electric current of an about 2V is added to the heating of reinforcing bar head, uneven reinforcing bar head cross section extrusion of flat;
In the T5 time period, electric current is cut off, and at this moment upset hammer and anchor clamps absorb the heat of reinforcing bar head.
In the T6 time period, electric current flows through the reinforcing bar head again, is heated to 630-750 ℃.
In the T7 time period, raise for preventing temperature, heating current is passed temperature by temporarily disconnected reinforcing bar head tempered.
Repeat the action of T3 time period again in the T8 time period, the hammer of upsetting is pushed forward again and is carried out the low pressure upsetting.
In the T9 time period, magnetic valve SV4 action, compressed air enters the supercharging air chamber of pressurizing cylinder BS2, promote piston and hydraulic oil is delivered to the chamber that ejects of upsetting oil cylinder, the pressure that strengthens its piston moves forward, and pushes reinforcing bar head moulding heading, raises for preventing temperature, in the heading forming process, heating current is by temporarily disconnected.For guaranteeing the consistency of thickness of reinforcing bar heading, after the time, heating current is cut off at T9.
In the T10 time period, the reinforcing bar head still continues to be extruded, and heading forms, and the heat at heading position is absorbed by rammer hammer and anchor clamps simultaneously.
Then magnetic valve SV1, SV2 transposition, compressed air enters the air chamber of air-liquid converter Ch2, Ch4 and the decompression air chamber of pressurizing cylinder BS1, BS2, and hydraulic oil sent into the return chamber of upsetting oil cylinder and compressed oil cylinder, make the piston reposition of pressurizing cylinder and upsetting oil cylinder and compressed oil cylinder.
Operation of the present utility model is under system's on-state, put into reinforcing bar, need only be with riding floor push, remove with being about to pin, button head machine promptly begins to clamp, the automatic operation of ten programs such as upsetting, heating, and the reinforcing bar heading forms after ten programs are finished, system restPoses again, and whole process only is 7-16 seconds.
Identify through the detection of quality testing department with the product that the utility model is produced, heading place loss of strength rate≤1.5%, smooth neat well-balanced, the no torticollis of heading, a mashed phenomenon meet the requirement of GB13476.
Claims (8)
1, a kind of microcomputor program control electrical heating high tensile reinforcement button head machine, its feature is made of heading mechanism, gas-liquid work loop and microcomputor program control electric heating circuit at it,
Described heading mechanism is made of base member case (6), steel frame (5), upset hammer (2), slide block (1), anchor clamps (3,4), upsetting oil cylinder (C2) and clamping cylinder (C1).Steel frame (5) is installed in base member case (6) top, and slide block (1) is installed on clamping cylinder (C1) piston rod, places steel frame (5) one sides, can be in the drive lower slider of clamping cylinder (C1); In two anchor clamps, anchor clamps (3) are fixed on the slide block (1), and anchor clamps (4) are fixed on steel frame (5) opposite side; The hammer (2) of upsetting is installed on upsetting oil cylinder (C2) piston rod, and the steel frame on its opposite is lower, forms openly, and the reinforcing bar of being convenient to heading is put into; The center of anchor clamps (3,4), upset hammer (2) and upsetting oil cylinder (C2) is on same horizontal line;
Described microcomputor program control electric heating circuit is by the microcomputer master control borad, the programme-control setting apparatus, the working instruction signal circuit, the synchronizing signal power source generator, control relay circuit, the triggering signal amplifier, the feedback comparison circuit, the heating major loop is formed, the output continuous signal passes to the microcomputer master control borad when synchronizing signal power supply and the work of programme-control setting apparatus, after the microcomputer master control borad receives working instruction signal, by size to heating current, time-program(me)s etc. are carried out calculation process, the output two path control signal, one the tunnel passes to control relay circuit, by opening of the air-powered electromagnetic reversal valve in the control gas-liquid work loop, close the work of controlling clamping cylinder and upsetting oil cylinder; Amplify through the triggering signal amplifier on another road, triggers the bidirectional triode thyristor in the heating major loop, and the output voltage and the heating current of control heating transformer make the permanent straight stable heating current of heating transformer output, and reinforcing bar is heated;
Described gas-liquid work loop is by air compressor, intake valve (SV), air filtration gas-water separation pressure shows three linked piece (RePAFO), the air-powered electromagnetic reversal valve (SV1-SV4), air-liquid converter (Ch1-Ch4), pressurizing cylinder (BS1, BS2), air regulator (Re1, Re2) and check valve (CV1, CV2) form, air compressor shows that by intake valve (SV) and air filtration gas-water separation pressure the input of three linked piece (RePAFO) links to each other, air filtration gas-water separation pressure shows that three linked piece (RePAFO) has two outputs, one end is by air regulator (Re1), check valve (CV1) links to each other with the air inlet of air-powered electromagnetic reversal valve (SV1) and (SV2) simultaneously, and the gas outlet of air-powered electromagnetic reversal valve (SV2) is connected with the supercharging air chamber of pressurizing cylinder (BS1); Air-powered electromagnetic reversal valve (SV1) then has two gas outlets, the air chamber of air-liquid converter (Ch1) is received in gas outlet (1), gas outlet (2) then links to each other with the decompression air chamber of pressurizing cylinder (BS1) and the air chamber of air-liquid converter (Ch2) simultaneously, and grease chamber's interface (1) of pressurizing cylinder (BS1) is connected with the interface (1) of the grease chamber of air-liquid converter (Ch1) and check valve CV2; Grease chamber's interface (2) of pressurizing cylinder (BS1) is connected with the interface (2) that ejects chamber and check valve (CV2) of clamping cylinder (C1), and grease chamber's interface of air-liquid converter (Ch2) links to each other with the return chamber of clamping cylinder (C1); Air filtration gas-water separation pressure shows that another output of three linked piece (RePAFO) is connected by the air inlet of air regulator (Re2) with air-powered electromagnetic reversal valve (SV3) and (SV4), the gas outlet of air-powered electromagnetic reversal valve (SV4) is connected with the supercharging air chamber of pressurizing cylinder (BS2), the gas outlet (2) of air-powered electromagnetic reversal valve (SV3) is connected with the air chamber of the decompression air chamber of pressurizing cylinder (BS2) and air-liquid converter (Ch4), the gas outlet (1) of air-powered electromagnetic reversal valve (SV3) is connected with the air chamber of gas-liquid commutator (Ch3), the grease chamber of gas-liquid commutator (Ch3) is connected with the interface (1) of check valve (CV3) and grease chamber's interface (1) of pressurizing cylinder (BS2), grease chamber's interface (2) of pressurizing cylinder (BS2) is connected with the return chamber of the interface (2) of check valve (CV3) and upsetting oil cylinder (C2), and the grease chamber of air-liquid converter (Ch4) is connected with the chamber interface that ejects of upsetting oil cylinder (C2).
2, microcomputor program control electrical heating high tensile reinforcement button head machine as claimed in claim 1 or 2, it is characterized in that the microcomputer master control borad is made up of single-chip microcomputer, latch, memory, A/D converter, buffer, driver, single-chip microcomputer selects 8031 for use, latch selects that 74LS373, memory select 2764 for use for use, converter selects that ADC0804, buffer select for use for use, and what be that 74LS244, driver select for use is 7406.
3, microcomputor program control electrical heating high tensile reinforcement button head machine as claimed in claim 1 or 2, it is characterized in that control relay circuit is made of diode D1-D4, capacitor C1, regulator block 78724, photoelectric coupling circuit U3-U6 and relay J 1-J4, the 380V power supply is through transformer B1 step-down, again after D1-D4 rectification, form voltage-stabilized power supply through C1,78724, the input of U3, U4, U5, U6 connects 9,10,11,12 pin of microcomputer master control borad single-chip microcomputer, the coil of electrical equipment J1, J2, J3, J4 is succeeded in output, control air-powered electromagnetic reversal valve SV1, SV2, SV3, SV4.
4, as claim 1 or 2 or 3 described microcomputor program control electrical heating high tensile reinforcement button head machines, it is characterized in that the working instruction signal circuit is made of floor push KA and photoelectric coupling circuit U1, floor push KA one end is connected with the ground of power supply, the input of other end U1 connects, 1 pin of the output termination master control borad of U1.
5, as claim 1 or 2 or 3 described microcomputor program control electrical heating high tensile reinforcement button head machines, it is characterized in that the triggering signal amplifier is by diode D9-D12, controllable silicon 3CT, Zener diode W2, capacitor C2, photoelectric coupling circuit U2 constitutes, 2 pin of master control borad connect the input of U2, the output of U2 meets D and the F of 3CT, the 380V power supply after the B1 step-down by its secondary output synchro source, meet D and the R3 of 3CT after D9-D12 rectification, then through C2, the W2 voltage regulation filtering is by C, G outputs to the C ' of heating major loop VKS, G '
6, microcomputor program control electrical heating high tensile reinforcement button head machine as claimed in claim 1 or 2, it is characterized in that synchronizing signal power source generator IV is by diode D13-D16, D17, capacitor C3, C4, regulator block 7805 constitutes, the 380V power supply is by B1 level output, through D13-D16 rectification, D17, C3, C4,7805 voltage stabilizings, filtering connect master control borad 3 pin, as the master control borad working power, voltage is also by R4, R5, BG dividing potential drop after the rectification, connect master control borad 4 pin, as the synchro source of CPU, ground wire connects 5 pin of master control borad.
7, microcomputor program control electrical heating high tensile reinforcement button head machine as claimed in claim 1 or 2, it is characterized in that heating major loop by bidirectional triode thyristor KS, heating transformer B2 and current transformer CT, resistance R b, Rf forms, power supply A receives the input of bidirectional triode thyristor KS mutually, the output C ' of bidirectional triode thyristor receives an elementary end of heating transformer, Rf is that thermistor is in parallel with bidirectional triode thyristor, the power supply B overcurrent transformer CT that communicates receives the elementary other end of heating transformer, double silicon control pipe KS, elementary and the current transformer CT of transformer B2 and Rf constitute primary return, the secondary end of B2 is used for welding fixture, the other end is used to connect the hammer of upsetting, and forms heating circuit.
8, microcomputor program control electrical heating high tensile reinforcement button head machine as claimed in claim 1 or 2, it is characterized in that feeding back comparison circuit by diode D18-D21, variable resistor W1, W2 and change-over switch K form, it from heating major loop CT and and connect feedback ratio that resistance R b obtains than electric current, by setting electric current respectively or the comparison electric current connects master control borad 6 pin in 0 at the center of change-over switch K.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 99230254 CN2412678Y (en) | 1999-12-10 | 1999-12-10 | Microprocessor program control electric heating high-strengrh reiforced bar button head machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 99230254 CN2412678Y (en) | 1999-12-10 | 1999-12-10 | Microprocessor program control electric heating high-strengrh reiforced bar button head machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2412678Y true CN2412678Y (en) | 2001-01-03 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 99230254 Expired - Fee Related CN2412678Y (en) | 1999-12-10 | 1999-12-10 | Microprocessor program control electric heating high-strengrh reiforced bar button head machine |
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| CN (1) | CN2412678Y (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101352748B (en) * | 2007-07-24 | 2010-10-13 | 第一高周波工业株式会社 | Method for producing reinforced bar with anchoring section |
| CN104525812A (en) * | 2014-12-16 | 2015-04-22 | 崔连义 | Steel pipe end vibration upsetting joint device and method |
| CN106040913A (en) * | 2016-06-05 | 2016-10-26 | 中冶建工集团有限公司 | Method for heating and upsetting of end of steel bar |
| CN111957857A (en) * | 2020-07-28 | 2020-11-20 | 南京钜力智能制造技术研究院有限公司 | Intelligent steel bar heading equipment |
-
1999
- 1999-12-10 CN CN 99230254 patent/CN2412678Y/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101352748B (en) * | 2007-07-24 | 2010-10-13 | 第一高周波工业株式会社 | Method for producing reinforced bar with anchoring section |
| CN104525812A (en) * | 2014-12-16 | 2015-04-22 | 崔连义 | Steel pipe end vibration upsetting joint device and method |
| CN106040913A (en) * | 2016-06-05 | 2016-10-26 | 中冶建工集团有限公司 | Method for heating and upsetting of end of steel bar |
| CN111957857A (en) * | 2020-07-28 | 2020-11-20 | 南京钜力智能制造技术研究院有限公司 | Intelligent steel bar heading equipment |
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