CN102641924A - Manufacturing device and method for bimetal composite hot bend - Google Patents
Manufacturing device and method for bimetal composite hot bend Download PDFInfo
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- CN102641924A CN102641924A CN2012101432573A CN201210143257A CN102641924A CN 102641924 A CN102641924 A CN 102641924A CN 2012101432573 A CN2012101432573 A CN 2012101432573A CN 201210143257 A CN201210143257 A CN 201210143257A CN 102641924 A CN102641924 A CN 102641924A
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Abstract
The invention discloses a manufacturing device and a method for a bimetal composite hot bend. The device comprises a thermal induction bend mechanism, an inert gas protecting system and an automatic control system, wherein the thermal induction bend mechanism comprises a rack, a hydraulic cylinder and a hydraulic control system, a rolling wheel, a heating inductor, a limiting stopper, a rotating clamp and a first cooler are arranged on the rack, the inert gas protecting system comprises a gas inlet end socket, an exhausting end socket and a gas circulating pipeline, and a gas inlet end valve, an exhausting end valve, a gas concentration tester, a gas motor and a second cooler are mounted on the gas circulating pipeline. The method includes the steps of intercepting a required bimetal composite pipe, sealing the bimetal composite pipe, installing the bimetal composite pipe on the thermal induction bend mechanism, connecting the inert gas protecting system and roasting and bending. The manufacturing device and the method for the bimetal composite hot bend are reasonable in design, high in intelligent degree, applicability, rate of finished products, product qualities and practicability, and convenient to popularize and apply.
Description
Technical field
The invention belongs to pipeline connection technique field, especially relate to not point-blank the manufacturing equipment and the manufacturing approach of the compound hot-bending bends of bimetallic of a kind of center line.
Background technology
The bimetallic composite-curve is with the pipe fitting of two mutual UNICOMs of bimetal compound pipeline on same straight line not, is one of indispensable pipe fitting in the various high-low pressure pipelines, also is the basic original paper of extensive use during pipeline connects.But at present because there is certain difficulty in domestic bimetallic composite-curve interconnection technique; Therefore; Existing bend pipe adopts the corrosion resistant alloy pipe basically, and like titanium alloy steel pipe, nickel alloy steel pipe etc., the subject matter that these bend pipes exist is that price is high; The strength ratio carbon steel pipe is low, and adopts carbon steel bend pipe corrosion resisting property to be difficult to meet the demands.And the bimetallic composite-curve of present employed manufacturing equipment and process preparation is because internal lining pipe is thinner, is prone to wrinkling, oxidation and base lining segregation phenomenon; For the high strength basal body pipe; If induction heating temperature, cooling velocity and passing speed controlling are improper; Its mechanical property is difficult to again guarantee; Therefore existing manufacturing approach is difficult to reach the specification requirement of bimetallic hot-bending bends, how to produce the bimetallic composite-curve that satisfies specification requirement simply, easily, for the further application of composite bimetal pipe, prevent the oil gas field corrosive pipeline, reduce use cost and seem very necessary.
Summary of the invention
Technical problem to be solved by this invention is to above-mentioned deficiency of the prior art, provide a kind of combine simple, reasonable in design, realize manufacturing equipment convenient and the compound hot-bending bends of bimetallic that intelligent degree is high.
For solving the problems of the technologies described above; The technical scheme that the present invention adopts is: the manufacturing equipment of the compound hot-bending bends of a kind of bimetallic; It is characterized in that: comprise being used for composite bimetal pipe is carried out thermoinduction pipe bending mechanism that fire bending bends and the inert gas shielding system that is used for feeding to the composite bimetal pipe inner chamber inertia refrigerating gas, and be used for automatic control system that thermoinduction pipe bending mechanism and inert gas shielding system are controlled automatically; Said thermoinduction pipe bending mechanism comprises frame, is used to promote composite bimetal pipe hydraulic cylinder that moves and the hydraulic control system that is connected and is used to control the hydraulic cylinder passing with hydraulic cylinder; And be installed on the frame and be used to place composite bimetal pipe roller, be used to the stop that heats the heating inductor of composite bimetal pipe and be used for the angle of bend of composite bimetal pipe is controlled; On the frame between said heating inductor and the stop, being rotationally connected to be useful on through the rolling clamp turning cylinder clamps composite bimetal pipe and drives the crooked rolling clamp of composite bimetal pipe one end, is positioned to be equipped with on the frame of said heating inductor one side to be used for first cooler that composite bimetal pipe is cooled off; Said inert gas shielding system comprises inlet end end socket and the exhaust end end socket that is sealedly connected on the composite bimetal pipe two ends respectively; And be connected the gas circulation pipeline between inlet end end socket and the exhaust end end socket; Said gas circulation pipeline and inert gas source of the gas join; Gas circulation pipeline near said inlet end end socket is provided with the inlet end valve; Gas circulation pipeline near said exhaust end end socket is provided with the exhaust end valve; Gas circulation pipeline between said exhaust end end socket and the exhaust end valve is provided with and is used for gas concentration tester that gas concentration in the gas circulation pipeline is detected and shows, and the gas circulation pipeline between said inlet end valve and the exhaust end valve is provided with the aeromotor and second cooler; Said heating inductor, first cooler, hydraulic control system, stop, gas concentration tester, aeromotor and second cooler all are electrically connected with said automatic control system.
The manufacturing equipment of the above-mentioned compound hot-bending bends of bimetallic; It is characterized in that: be equipped with on the said frame and be used for second thermometer that first thermometer that the heating-up temperature to heating inductor detects and the chilling temperature that is used for first cooler detect; Gas circulation pipeline between said inlet end end socket and the inlet end valve is provided with and is used for pressure gauge that gas pressure in the gas circulation pipeline is detected and the 3rd thermometer that is used for gas temperature in the gas circulation pipeline is detected, and said first thermometer, second thermometer, pressure gauge and the 3rd thermometer all are electrically connected with said automatic control system.
The manufacturing equipment of the above-mentioned compound hot-bending bends of bimetallic; It is characterized in that: said hydraulic control system comprises oil sources and the oil pump that is connected with oil sources; Said hydraulic cylinder is connected with oil pump with hydraulic valve on being arranged on oil pipe through oil pipe, and said hydraulic cylinder is provided with and is used for the velocity sensor that the passing speed to hydraulic cylinder detects.
The manufacturing equipment of the above-mentioned compound hot-bending bends of bimetallic; It is characterized in that: the operation control panel that said automatic control system comprises controller module, join with controller module and be the power module of controller module and operation control panel power supply; Said stop, first thermometer, second thermometer, pressure gauge, the 3rd thermometer and velocity sensor all join with the input of said controller module, and said heating inductor, first cooler, aeromotor, second cooler, hydraulic valve and oil pump all join with the output of said controller module.
The manufacturing equipment of the above-mentioned compound hot-bending bends of bimetallic is characterized in that: being shaped as of said rolling clamp is similar L shaped.
The manufacturing equipment of the above-mentioned compound hot-bending bends of bimetallic is characterized in that: said controller module is a programmable logic controller module.
The present invention also provides the manufacturing approach of the compound hot-bending bends of bimetallic that a kind of intelligent degree is high, practical, yield rate is high, product quality is high, it is characterized in that this method may further comprise the steps:
Step 5, fire bending bend the compound hot-bending bends of bimetallic: at first set the control parameter through automatic control system; Automatic control system is carried out fire bending according to the control parameter that configures control hydraulic control system and inert gas shielding system to composite bimetal pipe and is bent then; After fire bending bends completion; Automatic control system control hydraulic control system earlier stops, and controls the inert gas shielding system again and stops.
Above-mentioned method is characterized in that: setting control parameter and automatic control system through automatic control system in the step 5, according to the control parameter control hydraulic control system that configures and inert gas shielding system composite bimetal pipe to be carried out the process that fire bending bends following:
501, set the control parameter through operation control panel; Controller module receives the control parameter of setting through operation control panel and is stored in the corresponding memory cell, and said control parameter comprises required gas temperature and pressure and the required passing speed of hydraulic cylinder in the required chilling temperature of the required heating-up temperature of heating inductor, first cooler, the gas circulation pipeline;
502, automatic control system is at first opened heating inductor, first cooler, aeromotor and second cooler according to the control parameter of setting in the step 501; Heating inductor heats composite bimetal pipe; First cooler and inert gas shielding system are cooled off composite bimetal pipe; Open hydraulic valve and oil pump then, hydraulic control system control hydraulic cylinder is passed, and hydraulic cylinder promotes composite bimetal pipe and moves; Composite bimetal pipe promotes rolling clamp and rotates around the rolling clamp turning cylinder, composite bimetal pipe is carried out fire bending bend; Fire bending bends in the process; First thermometer detects in real time the heating-up temperature of heating inductor and detected signal is exported to controller module; Second thermometer detects in real time the chilling temperature of first cooler and detected signal is exported to controller module; Pressure gauge detects in real time gas pressure in the gas circulation pipeline and detected signal is exported to controller module; The 3rd thermometer detects in real time the gas temperature in the gas circulation pipeline and detected signal is exported to controller module; Velocity sensor detects in real time the passing speed of hydraulic cylinder and detected signal is exported to controller module; After controller module receives the signal that first thermometer, second thermometer, pressure gauge, the 3rd thermometer and velocity sensor export and carries out analyzing and processing, with the control compared with parameters of setting in the step 501, control procedure is adjusted in real time;
503, when rolling clamp turns to the position of touching stop; Stop is gathered the position signalling of rolling clamp and detected signal is exported to controller module; Controller module is closed hydraulic valve, oil pump and heating inductor earlier, closes first cooler, aeromotor and second cooler again.
Above-mentioned method is characterized in that: the value of the bend angles alpha of the compound hot-bending bends of bimetallic described in step 1 and the step 3 is 5 °～90 °; The value of the radius of curvature R of the compound hot-bending bends of bimetallic described in step 1 and the step 3 is 3d≤R≤10d, and wherein, it is 50mm～1200mm that d represents the caliber of the compound hot-bending bends of bimetallic and the value of d; L in the step 1
1Value be 100mm～1200mm.
The present invention compared with prior art has the following advantages:
1, the present invention is reasonable in design, and it is convenient to realize, adopts manufacturing equipment of the present invention and manufacturing approach can produce the bimetallic composite-curve that satisfies specification requirement simply, easily.
2, applicability of the present invention is strong; Be equipped with on the frame and be used for first thermometer that the heating-up temperature to heating inductor detects; The best that can guarantee different size and material composite bimetal pipe bends temperature, and can guarantee to bend the mechanical property of back basal body pipe.
3, the present invention is provided with and is used for automatic control system that thermoinduction pipe bending mechanism and inert gas shielding system are controlled automatically; Be equipped with on the frame and be used for stop that the angle of bend of composite bimetal pipe is controlled; When rolling clamp turns to the position of touching stop; The manufacturing equipment autostop, intelligent degree is high and can guarantee that the angle of bend of composite bimetal pipe satisfies the manufacturing demand.
4, the present invention is when bending the compound hot-bending bends of bimetallic; Except that cool off the basal body pipe outer surface through first cooler fast in the composite bimetal pipe outside; Also in the composite bimetal pipe of sealing, be connected with low temperature and have the inert gas of certain pressure through the inert gas shielding system; Effectively controlled the hot-bending bends cooling velocity, prevented composite bimetal pipe inner surface high-temperature oxydation, wrinkling, and prevented that the basal body pipe that constitutes composite bimetal pipe from occurring separating with internal lining pipe.
5, second cooler in the inert gas shielding of the present invention system can make inert gas be cooled to desired temperature, cools off fast so that constitute the internal lining pipe of the compound hot-bending bends of bimetallic, and detects through the 3rd thermometer, has guaranteed product quality effectively.
6, yield rate of the present invention is high; The correlation technique parameter that has guaranteed the compound hot-bending bends of bimetallic through temperature, pressure, velocity test and control meets the demands, and has guaranteed the product quality of the compound hot-bending bends of bimetallic, and the compound hot-bending bends surfaces externally and internally of prepared bimetallic is smooth; Wrinkle resistant and the surperficial not oxidation of bushing pipe; Basal body pipe does not separate with bushing pipe, and the basal body pipe mechanical property meets the demands, and can satisfy user demand well.
7, of the present invention practical, result of use is good, and is easy to utilize.
In sum, the present invention is reasonable in design, and it is convenient to realize, intelligent degree is high, and applicability is strong, and yield rate is high, and the compound hot-bending bends quality of prepared bimetallic is high, can satisfy user demand well, and practical, result of use is good, and is easy to utilize.
Through accompanying drawing and embodiment, technical scheme of the present invention is done further detailed description below.
Description of drawings
Fig. 1 is equipped with the structural representation of composite bimetal pipe for manufacturing equipment of the present invention.
Fig. 2 is the user mode figure of manufacturing equipment of the present invention.
Fig. 3 is the electrical connection diagram of manufacturing equipment of the present invention.
Fig. 4 is the method flow diagram of manufacturing approach of the present invention.
Description of reference numerals:
The specific embodiment
As depicted in figs. 1 and 2; The manufacturing equipment of the compound hot-bending bends of bimetallic of the present invention; Comprise being used for composite bimetal pipe 1 is carried out thermoinduction pipe bending mechanism that fire bending bends and the inert gas shielding system that is used for feeding to composite bimetal pipe 1 inner chamber the inertia refrigerating gas, and be used for automatic control system that thermoinduction pipe bending mechanism and inert gas shielding system are controlled automatically; Said thermoinduction pipe bending mechanism comprises frame 13, is used to promote composite bimetal pipe hydraulic cylinder 17 that moves and the hydraulic control system that is connected and is used to control hydraulic cylinder 17 passing with hydraulic cylinder 17; And be installed on the frame 13 and be used to place composite bimetal pipe roller 14, be used to the stop 21 that heats the heating inductor 12 of composite bimetal pipe 1 and be used for the angle of bend of composite bimetal pipe 1 is controlled; On the frame 13 between said heating inductor 12 and the stop 21, being rotationally connected to be useful on through rolling clamp turning cylinder 2 clamps composite bimetal pipe 1 and drives the crooked rolling clamp 9 of composite bimetal pipe 1 one ends, is positioned to be equipped with on the frame 13 of said heating inductor 12 1 sides to be used for first cooler 10 that composite bimetal pipe 1 is cooled off; Said inert gas shielding system comprises the inlet end end socket 4 and exhaust end end socket 5 that is sealedly connected on composite bimetal pipe 1 two ends respectively; And be connected the gas circulation pipeline 18 between inlet end end socket 4 and the exhaust end end socket 5; Said gas circulation pipeline 18 joins with inert gas source of the gas 28; Gas circulation pipeline 18 near said inlet end end socket 4 is provided with inlet end valve 6; Gas circulation pipeline 18 near said exhaust end end socket 5 is provided with exhaust end valve 16; Gas circulation pipeline 18 between said exhaust end end socket 5 and the exhaust end valve 16 is provided with and is used for gas concentration tester 15 that gas concentrations in the gas circulation pipeline 18 are detected and show, and the gas circulation pipeline 18 between said inlet end valve 6 and the exhaust end valve 16 is provided with the aeromotor 20 and second cooler 19; Said heating inductor 12, first cooler 10, hydraulic control system, stop 21, gas concentration tester 15, aeromotor 20 and second cooler 19 all are electrically connected with said automatic control system.
As depicted in figs. 1 and 2; In the present embodiment; Second thermometer 29 that first thermometer 11 that the heating-up temperature that is used for heating inductor 12 detects and the chilling temperature that is used for first cooler 10 detect is installed on the said frame 13; Gas circulation pipeline 18 between said inlet end end socket 4 and the inlet end valve 6 is provided with and is used for pressure gauge 7 that gas pressures in the gas circulation pipeline 18 are detected and the 3rd thermometer 8 that is used for gas temperatures in the gas circulation pipeline 18 are detected, and said first thermometer 11, second thermometer 29, pressure gauge 7 and the 3rd thermometer 8 all are electrically connected with said automatic control system.Said hydraulic control system comprises oil sources 22 and the oil pump 23 that is connected with oil sources 22; Said hydraulic cylinder 17 is connected with oil pump 23 with hydraulic valve 25 on being arranged on oil pipe 24 through oil pipe 24, and said hydraulic cylinder 17 is provided with and is used for the velocity sensor 26 that the passing speed to hydraulic cylinder 17 detects.
In conjunction with Fig. 3; In the present embodiment; The operation control panel 27-2 that said automatic control system comprises controller module 27-1, join with controller module 27-1 and be the power module 27-3 of controller module 27-1 and operation control panel 27-2 power supply; Said stop 21, first thermometer 11, second thermometer 29, pressure gauge 7, the 3rd thermometer 8 and velocity sensor 26 all join with the input of said controller module 27-1, and said heating inductor 12, first cooler 10, aeromotor 20, second cooler 19, hydraulic valve 25 and oil pump 23 all join with the output of said controller module 27-1.
In the present embodiment, being shaped as of said rolling clamp 9 is similar L shaped.Said controller module 27-1 is a programmable logic controller module.
In conjunction with Fig. 4, the manufacturing approach of the compound hot-bending bends of bimetallic of the present invention is characterized in that this method may further comprise the steps:
Step 5, fire bending bend the compound hot-bending bends 1 of bimetallic: at first set the control parameter through automatic control system; Automatic control system is carried out fire bending according to the control parameter that configures control hydraulic control system and inert gas shielding system to composite bimetal pipe 1 and is bent then; After fire bending bends completion; Automatic control system control hydraulic control system earlier stops, and controls the inert gas shielding system again and stops.
In the present embodiment, setting control parameter and automatic control system through automatic control system in the step 5, according to the control parameter control hydraulic control system that configures and inert gas shielding system composite bimetal pipe 1 to be carried out the process that fire bending bends following:
501, set the control parameter through operation control panel 27-2; Controller module 27-1 receives the control parameter of setting through operation control panel 27-2 and is stored in the corresponding memory cell, and said control parameter comprises the passing speed that gas temperature required in the required chilling temperature of the required heating-up temperature of heating inductor 12, first cooler 10, the gas circulation pipeline 18 and pressure and hydraulic cylinder 17 are required;
502, automatic control system is at first opened heating inductor 12, first cooler 10, aeromotor 20 and second cooler 19 according to the control parameter of setting in the step 501; 12 pairs of composite bimetal pipes 1 of heating inductor heat; First cooler 10 cools off composite bimetal pipe 1 with the inert gas shielding system; Open hydraulic valve 25 and oil pump 23 then, hydraulic control system control hydraulic cylinder 17 is passed, and hydraulic cylinder 17 promotes composite bimetal pipe 1 and moves; Composite bimetal pipe 1 promotes rolling clamp 9 and rotates around rolling clamp turning cylinder 2, composite bimetal pipe 1 is carried out fire bending bend; Fire bending bends in the process; The heating-up temperature of 11 pairs of heating inductors 12 of first thermometer detects in real time and detected signal is exported to controller module 27-1; The chilling temperature of 29 pairs first coolers 10 of second thermometer detects in real time and detected signal is exported to controller module 27-1; 7 pairs of gas circulation pipelines of pressure gauge, 18 interior gas pressures detect in real time and detected signal are exported to controller module 27-1; Gas temperature in 8 pairs of gas circulation pipelines of the 3rd thermometer 18 detects in real time and detected signal is exported to controller module 27-1; The passing speed of 26 pairs of hydraulic cylinders 17 of velocity sensor detects in real time and detected signal is exported to controller module 27-1; After controller module 27-1 receives the signal that first thermometer 11, second thermometer 29, pressure gauge 7, the 3rd thermometer 8 and velocity sensor 26 exported and carries out analyzing and processing; With the control compared with parameters of setting in the step 501, control procedure is adjusted in real time;
503, when rolling clamp 9 turns to the position of touching stop 21; Stop 21 is gathered the position signalling of rolling clamp 9 and detected signal is exported to controller module 27-1; Controller module 27-1 closes hydraulic valve 25, oil pump 23 and heating inductor 12 earlier, closes first cooler 10, aeromotor 20 and second cooler 19 again.
In the present embodiment, the value of the bend angles alpha of the compound hot-bending bends 3 of bimetallic described in step 1 and the step 3 is 5 °～90 °; The value of the radius of curvature R of the compound hot-bending bends 3 of bimetallic described in step 1 and the step 3 is 3d≤R≤10d, and wherein, it is 50mm～1200mm that d represents the caliber of the compound hot-bending bends 3 of bimetallic and the value of d; L in the step 1
1Value be 100mm～1200mm.
In sum; The present invention is when bending the compound hot-bending bends of bimetallic; Except that in composite bimetal pipe 1 outside through 10 pairs of basal body pipe outer surfaces of first cooler fast the cooling, also in the composite bimetal pipe 1 of sealing, be connected with low temperature and have the inert gas of certain pressure through the inert gas shielding system, effectively controlled the hot-bending bends cooling velocity; Prevented composite bimetal pipe 1 inner surface high-temperature oxydation, wrinkling; And prevented that the basal body pipe that constitutes composite bimetal pipe 1 from occurring separating with internal lining pipe, and having guaranteed product quality effectively, the compound hot-bending bends of prepared bimetallic can satisfy user demand well.
The above; It only is preferred embodiment of the present invention; Be not that the present invention is done any restriction, every technical spirit changes any simple modification, change and the equivalent structure that above embodiment did according to the present invention, all still belongs in the protection domain of technical scheme of the present invention.
Claims (9)
1. the manufacturing equipment of the compound hot-bending bends of bimetallic; It is characterized in that: comprise being used for composite bimetal pipe (1) is carried out thermoinduction pipe bending mechanism that fire bending bends and the inert gas shielding system that is used for feeding to composite bimetal pipe (1) inner chamber the inertia refrigerating gas, and be used for automatic control system that thermoinduction pipe bending mechanism and inert gas shielding system are controlled automatically; Said thermoinduction pipe bending mechanism comprises frame (13), be used to promote hydraulic cylinder (17) that composite bimetal pipe moves and be connected and be used to control the hydraulic control system that hydraulic cylinder (17) is passed with hydraulic cylinder (17); And be installed in frame (13) and go up and be used to place the roller (14) of composite bimetal pipe, the stop (21) that is used to heat the heating inductor (12) of composite bimetal pipe (1) and is used for the angle of bend of composite bimetal pipe (1) is controlled; Be positioned at frame (13) between said heating inductor (12) and the stop (21) and go up to be rotationally connected and be useful on the rolling clamp (9) that clamps composite bimetal pipe (1) and drive the bending of composite bimetal pipe (1) one end, be positioned to be equipped with on the frame (13) of said heating inductor (12) one sides and be used for first cooler (10) that composite bimetal pipe (1) is cooled off through rolling clamp turning cylinder (2); Said inert gas shielding system comprises inlet end end socket (4) and the exhaust end end socket (5) that is sealedly connected on composite bimetal pipe (1) two ends respectively; And be connected the gas circulation pipeline (18) between inlet end end socket (4) and the exhaust end end socket (5); Said gas circulation pipeline (18) joins with inert gas source of the gas (28); Gas circulation pipeline (18) near said inlet end end socket (4) is provided with inlet end valve (6); Gas circulation pipeline (18) near said exhaust end end socket (5) is provided with exhaust end valve (16); Be positioned at gas circulation pipeline (18) between said exhaust end end socket (5) and the exhaust end valve (16) and be provided with and be used for gas concentration tester (15) that gas circulation pipeline (18) gas concentration is detected and shows, the gas circulation pipeline (18) that is positioned between said inlet end valve (6) and the exhaust end valve (16) is provided with aeromotor (20) and second cooler (19); Said heating inductor (12), first cooler (10), hydraulic control system, stop (21), gas concentration tester (15), aeromotor (20) and second cooler (19) all are electrically connected with said automatic control system.
2. according to the manufacturing equipment of the compound hot-bending bends of the described bimetallic of claim 1; It is characterized in that: be equipped with on the said frame (13) and be used for first thermometer (11) that the heating-up temperature to heating inductor (12) detects and be used for second thermometer (29) that the chilling temperature to first cooler (10) detects; The gas circulation pipeline (18) that is positioned between said inlet end end socket (4) and the inlet end valve (6) is provided with the 3rd thermometer (8) that is used for the pressure gauge (7) that gas circulation pipeline (18) gas pressure is detected and is used for gas circulation pipeline (18) gas temperature is detected, and said first thermometer (11), second thermometer (29), pressure gauge (7) and the 3rd thermometer (8) all are electrically connected with said automatic control system.
3. according to the manufacturing equipment of the compound hot-bending bends of the described bimetallic of claim 2; It is characterized in that: said hydraulic control system comprises oil sources (22) and the oil pump (23) that is connected with oil sources (22); Said hydraulic cylinder (17) is connected with oil pump (23) with hydraulic valve (25) on being arranged on oil pipe (24) through oil pipe (24), and said hydraulic cylinder (17) is provided with and is used for the velocity sensor (26) that the passing speed to hydraulic cylinder (17) detects.
4. according to the manufacturing equipment of the compound hot-bending bends of the described bimetallic of claim 3; It is characterized in that: operation control panel (27-2) that said automatic control system comprises controller module (27-1), join with controller module (27-1) and the power module (27-3) of supplying power for controller module (27-1) and operation control panel (27-2); Said stop (21), first thermometer (11), second thermometer (29), pressure gauge (7), the 3rd thermometer (8) and velocity sensor (26) all join with the input of said controller module (27-1), and said heating inductor (12), first cooler (10), aeromotor (20), second cooler (19), hydraulic valve (25) and oil pump (23) all join with the output of said controller module (27-1).
5. according to the manufacturing equipment of the compound hot-bending bends of the described bimetallic of arbitrary claim in the claim 1～4, it is characterized in that: being shaped as of said rolling clamp (9) is similar L shaped.
6. according to the manufacturing equipment of the compound hot-bending bends of the described bimetallic of claim 4, it is characterized in that: said controller module (27-1) is a programmable logic controller module.
7. the said manufacturing equipment of utilization such as claim 4 is made the method for the compound hot-bending bends of bimetallic, it is characterized in that this method may further comprise the steps:
The required composite bimetal pipe (1) of the compound hot-bending bends of bimetallic (3) is made in step 1, intercepting: according to radius of curvature R, bend angles alpha and the length of straigh line L of the compound hot-bending bends of the bimetallic of required processing (3)
1, and according to formula
Calculate the length L of the composite bimetal pipe (1) of required intercepting, and make the required composite bimetal pipe (1) of the compound hot-bending bends of bimetallic (3) by the length L intercepting;
Step 2, the composite bimetal pipe (1) of institute's intercepting in the step 1 is sealed: the two ends that inlet end end socket (4) and exhaust end end socket (5) are sealedly connected on the composite bimetal pipe (1) of institute's intercepting in the step 1;
Step 3, composite bimetal pipe (1) is installed on the thermoinduction pipe bending mechanism: at first; The position of adjustment rolling clamp (9) on frame (13); Make rolling clamp (9) vertically be positioned on the frame (13), and make the distance B between rolling clamp turning cylinder (2) and heating inductor (12) axis equal the radius of curvature R of the compound hot-bending bends of bimetallic (3) of required processing; Then, the position of adjustment stop (21) on frame (13) makes rolling clamp (9) after rolling clamp turning cylinder (2) rotates the α angle, touch stop (21); Then; One end of the composite bimetal pipe (1) of good seal in the step 2 is passed heating inductor (12) and first cooler (10); Be placed on the roller (14); And be installed on the upper end of rolling clamp (9), the other end of the composite bimetal pipe (1) of good seal in the step 2 is fixedly connected with hydraulic cylinder (17);
Step 4, connection inert gas shielding system: at first pressure gauge (7), the 3rd thermometer (8), inlet end valve (6), aeromotor (20), second cooler (19), gas concentration tester (15) and exhaust end valve (16) are installed on the gas circulation pipeline (18); Then the end that inlet end valve (6) is installed on the gas circulation pipeline (18) is connected with inlet end end socket (4); Open inert gas source of the gas (28), inlet end valve (6) and exhaust end valve (16); In gas circulation pipeline (18), feed inert gas and replace the air in composite bimetal pipe (1) inner chamber; Gas concentration tester (15) detects the inert gas concentration in the gas circulation pipeline (18) in real time and shows; After the inert gas concentration in the gas circulation pipeline (18) reaches required inert gas concentration; The end that exhaust end valve (16) is installed on the gas circulation pipeline (18) is connected with exhaust end end socket (5), forms inert gas closed loop cycle system;
Step 5, fire bending bend the compound hot-bending bends of bimetallic (1): at first set the control parameter through automatic control system; Automatic control system is carried out fire bending according to the control parameter that configures control hydraulic control system and inert gas shielding system to composite bimetal pipe (1) and is bent then; After fire bending bends completion; Automatic control system control hydraulic control system earlier stops, and controls the inert gas shielding system again and stops.
8. according to the described method of claim 7, it is characterized in that: setting control parameter and automatic control system through automatic control system in the step 5, according to the control parameter control hydraulic control system that configures and inert gas shielding system composite bimetal pipe (1) to be carried out the process that fire bending bends following:
501, set the control parameter through operation control panel (27-2); Controller module (27-1) receives through the control parameter of operation control panel (27-2) setting and is stored in the corresponding memory cell, and said control parameter comprises required gas temperature and pressure and the required passing speed of hydraulic cylinder (17) in the required chilling temperature of the required heating-up temperature of heating inductor (12), first cooler (10), the gas circulation pipeline (18);
502, automatic control system is at first opened heating inductor (12), first cooler (10), aeromotor (20) and second cooler (19) according to the control parameter of setting in the step 501; Heating inductor (12) heats composite bimetal pipe (1); First cooler (10) and inert gas shielding system are cooled off composite bimetal pipe (1); Open hydraulic valve (25) and oil pump (23) then; Hydraulic control system control hydraulic cylinder (17) is passed; Hydraulic cylinder (17) promotes composite bimetal pipe (1) and moves, and composite bimetal pipe (1) promotes rolling clamp (9) and rotates around rolling clamp turning cylinder (2), composite bimetal pipe (1) is carried out fire bending bend; Fire bending bends in the process; First thermometer (11) detects in real time the heating-up temperature of heating inductor (12) and detected signal is exported to controller module (27-1); Second thermometer (29) detects in real time the chilling temperature of first cooler (10) and detected signal is exported to controller module (27-1); Pressure gauge (7) detects in real time the interior gas pressure of gas circulation pipeline (18) and detected signal is exported to controller module (27-1); The 3rd thermometer (8) detects in real time the gas temperature in the gas circulation pipeline (18) and detected signal is exported to controller module (27-1); Velocity sensor (26) detects in real time the passing speed of hydraulic cylinder (17) and detected signal is exported to controller module (27-1); After controller module (27-1) receives the signal that first thermometer (11), second thermometer (29), pressure gauge (7), the 3rd thermometer (8) and velocity sensor (26) exported and carries out analyzing and processing; With the control compared with parameters of setting in the step 501, control procedure is adjusted in real time;
503, when rolling clamp (9) turns to the position of touching stop (21); Stop (21) is gathered the position signalling of rolling clamp (9) and detected signal is exported to controller module (27-1); Controller module (27-1) is closed hydraulic valve (25), oil pump (23) and heating inductor (12) earlier, closes first cooler (10), aeromotor (20) and second cooler (19) again.
9. according to the described method of claim 7, it is characterized in that: the value of the bend angles alpha of the compound hot-bending bends of bimetallic described in step 1 and the step 3 (3) is 5 °～90 °; The value of the radius of curvature R of the compound hot-bending bends of bimetallic described in step 1 and the step 3 (3) is 3d≤R≤10d, and wherein, it is 50mm～1200mm that d represents the caliber of the compound hot-bending bends of bimetallic (3) and the value of d; L in the step 1
1Value be 100mm～1200mm.
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