CN111496033A - Seawater desalination high-pressure elbow angle fine adjustment device and working method - Google Patents
Seawater desalination high-pressure elbow angle fine adjustment device and working method Download PDFInfo
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- CN111496033A CN111496033A CN202010316111.9A CN202010316111A CN111496033A CN 111496033 A CN111496033 A CN 111496033A CN 202010316111 A CN202010316111 A CN 202010316111A CN 111496033 A CN111496033 A CN 111496033A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D7/00—Bending rods, profiles, or tubes
- B21D7/06—Bending rods, profiles, or tubes in press brakes or between rams and anvils or abutments; Pliers with forming dies
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D37/00—Tools as parts of machines covered by this subclass
- B21D37/04—Movable or exchangeable mountings for tools
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D7/00—Bending rods, profiles, or tubes
- B21D7/14—Bending rods, profiles, or tubes combined with measuring of bends or lengths
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D7/00—Bending rods, profiles, or tubes
- B21D7/16—Auxiliary equipment, e.g. for heating or cooling of bends
- B21D7/162—Heating equipment
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Abstract
The invention relates to the technical field of seawater desalination equipment, in particular to a seawater desalination high-pressure elbow angle fine adjustment device and a working method. The device comprises a workbench; one end of the workbench is provided with a working part, and the other end of the workbench is provided with a driving part; the working component comprises a fixing module and a driving module; the high-pressure bent pipe comprises an arc section to be adjusted and straight pipe sections on two sides of the arc section; the fixed module is fixedly connected with the workbench, an extension plate is fixedly connected below the driving module, the end part of the extension plate is rotatably connected with the workbench, and an arc-shaped slideway for the rotation of the driving module and the extension plate is arranged on the workbench; one side of the high-pressure elbow pipe is provided with a straight pipe section which is arranged on the fixed module, and the other side of the high-pressure elbow pipe is provided with a straight pipe section which is arranged on the driving module; the driving module drives the upper straight pipe section to rotate at a preset angle under the action of the driving part. The invention can overcome the defect that the angle of the bent pipe is too large or too small and cannot be finely adjusted, realize the synchronous measurement of the angle of the bent pipe and eliminate the influence of residual stress on the strength of the high-pressure pipe.
Description
Technical Field
The invention relates to the technical field of seawater desalination equipment, in particular to a seawater desalination high-pressure elbow angle fine adjustment device and a working method.
Background
At present, fresh water resources are increasingly deficient, and the total scale of seawater desalination in China reaches more than 220 million tons/day. The current sea water desalination technologies applied industrially on a large scale are mainly distillation and reverse osmosis. The high-pressure bent pipe in the reverse osmosis seawater desalination equipment generally adopts titanium alloy with high strength, good corrosion resistance, small density and light weight.
The preparation method of the titanium alloy high-pressure bent pipe comprises welding and bent pipe forming; the welded high-pressure bent pipe has long production time, poor appearance, welding defects and other limited application. The bend pipe forming technology has short working hours, good appearance and extremely high forming efficiency, is a mode for manufacturing the hottest door by the high-pressure bend pipe, and is an important component in the rapid assembly technology of the seawater desalination equipment. However, in the tube bending technology, due to the springback phenomenon, the angle of the bent tube deviates from the design angle due to the springback, and due to the dimensional tolerance and the component difference of the metal tube, the angle after the bent tube cannot be accurately controlled, the design size cannot be reached, the rejection rate is high, the angle cannot be widely applied, and particularly, the titanium alloy has high strength and poor ductility, and the springback phenomenon is more serious. In addition, the titanium alloy high-pressure pipe has residual stress after passing through the bent pipe, so that the strength of the bent pipe after the bent pipe is influenced, the process for removing the residual stress is increased, the manufacturing cost of the bent pipe is increased, and the process is complex. These defects all affect the normal use of the seawater desalination equipment, and need to be improved.
Disclosure of Invention
The invention provides a device for finely adjusting the angle of a seawater desalination high-pressure elbow and a working method thereof for solving the technical problems in the prior art, and the device can overcome the defect that the angle of the elbow cannot be finely adjusted when the angle is too large or too small, realize synchronous measurement of the angle of the elbow and eliminate the influence of residual stress on the strength of the high-pressure pipe.
In order to achieve the purpose, the invention adopts the following technical scheme:
a seawater desalination high-pressure elbow angle fine adjustment device comprises a workbench; one end of the workbench is provided with a working part for finely adjusting the angle of the bent pipe, and the other end of the workbench is provided with a driving part for providing power for the working part; the working component comprises a fixing module and a driving module which are vertically arranged on the workbench; the high-pressure bent pipe comprises an arc section to be adjusted and straight pipe sections on two sides of the arc section; the fixed module is fixedly connected with the workbench, an extension plate is fixedly connected below the driving module, the end part of the extension plate is rotatably connected with the workbench, and an arc-shaped slideway for the rotation of the driving module and the extension plate is arranged on the workbench; one side of the high-pressure elbow pipe is provided with a straight pipe section which is arranged on the fixed module, and the other side of the high-pressure elbow pipe is provided with a straight pipe section which is arranged on the driving module; the driving module drives the upper straight pipe section to rotate at a preset angle under the action of the driving part.
Further, the driving part comprises a rotating shaft and a matched worm gear; a motor and a reducer for driving the worm and the worm wheel to rotate are arranged on the outer side of the workbench; one end of the rotating shaft penetrates through the workbench to be fixedly connected with the extension plate, and the other end of the rotating shaft and the worm wheel form a rotating pair; the motor drives the speed reducer, the worm wheel and the transmission shaft to rotate in sequence, and torque is transmitted to the driving module to drive the straight pipe section to carry out angle fine adjustment.
Furthermore, an angle scale for displaying the fine adjustment angle of the high-pressure bent pipe is also arranged on the workbench; the angle graduated scale is arranged below the circular arc section.
Further, the angle dividing ruler comprises a fixed ruler and a rotating ruler; one ends of the fixed ruler and the rotating ruler are overlapped and are opposite to the center of the arc section; the other end of the fixed ruler is fixed at the end of the fixed module and is axially parallel to the straight pipe section on the fixed module, and the other end of the rotating ruler is fixed at the end of the driving module and is axially parallel to the straight pipe section on the driving module.
Further, an inner shaping structure and an outer shaping structure are further arranged on the workbench; the inner shaping structure comprises a ball slideway I which is arranged on the workbench and is right opposite to the center of the inner side of the arc section, a sliding block which is in sliding fit with the ball slideway I, and an inner shaping die which is arranged on the sliding block; the periphery of the inner forming die is a first curved surface which is in contact with the inner side surface of the arc section.
Further, the outer shaping structure comprises a second ball slideway and an outer shaping die which are arranged on the outer side of the circular arc section; the second ball slide way is arranged right opposite to the center of the arc end and is in sliding fit with the outer shaping die, and the outer shaping die is provided with an outer shaping operation part for pushing the outer shaping die to slide; the outer shaping die is provided with a second curved surface which is opposite to the center of the arc section and is in contact with the outer side surface of the arc section.
Further, the central radius of the first curved surface is smaller than the bending radius of the circular arc section; the central radius of the second curved surface is slightly larger than the bending radius of the bent pipe.
Further, the outer side of the arc section is wrapped with an eddy current heating coil controlled by a frequency converter; the worktable is also provided with a temperature measuring device which is over against the eddy current heating coil.
Further, the straight pipe section is movably connected to the fixed module and the driving module through an upper holding die and a lower holding die.
Furthermore, the working method of the seawater desalination high-pressure elbow angle fine adjustment device specifically comprises the following steps:
s1, respectively placing the straight pipe sections of the high-pressure bent pipe on the fixing module and the driving module and fixing the straight pipe sections by using an upper holding die and a lower holding die, wherein the center of the arc section of the high-pressure bent pipe is in an inner and outer shaping structure;
s2, controlling the eddy current heating coil to heat the bent pipe through the frequency converter, and folding the eddy current heating coil to one side of the straight pipe section when the temperature measuring equipment monitors that the eddy current heating coil is heated to a set temperature;
s3, the inner and outer shaping molds are attached to the arc sections;
s4, starting a motor to enable a driving module to rotate, stopping the motor from rotating when the angle ruler synchronously measures the angle of the bent pipe to be 90 degrees, maintaining the pressure of the bent pipe for a period of time, and unloading the bent pipe; and observing the reading of the angle scale, determining a secondary angle fine adjustment value by analyzing the angle rebound value, and finally finishing the 90-degree angle fine adjustment work.
The invention has the advantages and positive effects that:
1. the bend pipe is placed on the fixed module, the angle of the bend pipe is increased or reduced in a bidirectional way by driving the bend pipe module through power, the device is suitable for quick forming of a seawater desalination pipeline, and the performance of the TA2 titanium alloy high-pressure bend pipe can be improved; when the angle of the bent pipe is 85-95 degrees, the angle can be adjusted to 90 degrees;
2. the invention ensures the appearance of the high-pressure pipeline by utilizing the inner shaping die and the outer shaping die, ensures the uniform stress of the bent pipe when the angle is finely adjusted, inhibits the section deformation of the bent pipe when the angle is finely adjusted, and reduces the rejection rate of products;
3. the angle scale which synchronously rotates with the driving module monitors the angle change of the bent pipe, the measuring process is integrated into angle fine adjustment, and the production process is simplified;
4. temperature monitoring and frequency and current regulation are carried out in real time through the eddy current temperature increasing unit, the ductility of the pipeline is improved, and residual stress is eliminated;
5. the upper and lower clamping dies on the fixed module and the driving module are replaceable and adjustable in position, and can adapt to bent pipes of different specifications to obtain different moments.
Description of the drawings:
FIG. 1 is a three-dimensional view of the angle trimming apparatus of the present invention in a non-operating state (including high pressure lines);
FIG. 2 is a top view of FIG. 1;
FIG. 3 is a bottom view of FIG. 2;
FIG. 4 is a top view of the angle trimmer of the present invention in an operational position;
FIG. 5 is a top view of the angle adjustment device of the present invention in operation (without the high pressure line);
fig. 6 is a three-dimensional view of fig. 5.
Wherein: 1. a work table; 2. a fixed module; 21. adding a holding die; 22. a lower holding die; 23. mounting grooves; 24. a threaded hole; 3. a drive module; 31. an extension plate; 32. an arc-shaped slideway; 4. a rotating shaft; 51. a worm gear; 52. a worm; 6. a motor; 7. an angle scale; 71. fixing a ruler; 72. rotating the ruler; 8. an internal shaping structure; 81. a first ball slideway; 82. a slider; 83. an inner forming die; 84. a first curved surface; 85. an internal shaping operation part; 9. an outer shaping structure; 91. a second ball slideway; 92. an outer shaping mold; 93. an external shaping operation part; 94. a curved surface II; 10. an eddy current temperature increasing coil; 11. a frequency converter; 12. a temperature measuring device; 13. high-pressure bending; 131. a straight pipe section; 132. a circular arc segment.
Detailed Description
The drawings in the embodiments of the invention will be combined; the technical scheme in the embodiment of the invention is clearly and completely described; obviously; the described embodiments are only some of the embodiments of the invention; rather than all embodiments. Based on the embodiments of the invention; all other embodiments obtained by a person skilled in the art without making any inventive step; all fall within the scope of protection of the present invention.
As shown in fig. 1-6, the invention provides a device for fine adjusting the angle of a seawater desalination high-pressure elbow 13 and a working method thereof, wherein the device comprises a workbench 1; one end of the workbench 1 is provided with a working part for finely adjusting the angle of the bent pipe, and the other end is provided with a driving part for providing power for the working part; the working component comprises a fixed module 2 and a driving module 3 which are vertically arranged on the worktable 1; the high-pressure elbow 13 comprises an arc section 132 to be adjusted and straight pipe sections 131 on two sides of the arc section 132; the fixed module 2 is fixedly connected with the workbench 1, an extension plate 31 is fixedly connected below the driving module 3, the end part of the extension plate 31 is rotatably connected with the workbench 1, and an arc-shaped slideway 32 for the rotation of the driving module 3 and the extension plate 31 is arranged on the workbench 1; one side of the high-pressure elbow 13 is provided with a straight pipe section 131 which is arranged on the fixed module 2, and the other side of the high-pressure elbow is provided with a straight pipe section 131 which is arranged on the driving module 3; the driving module 3 drives the upper straight pipe section 131 to rotate by a predetermined angle under the action of the driving part, so as to achieve the effect of fine tuning of the bent pipe. Specifically, the driving component comprises a rotating shaft 4, and a worm wheel 51 and a worm 52 which are matched with the rotating shaft; a motor 6 and a speed reducer for driving the worm 52 and the worm wheel 51 to rotate are arranged on the outer side of the workbench 1; one end of the rotating shaft 4 penetrates through the workbench 1 and is fixedly connected with the extension plate 31, and the other end of the rotating shaft and the worm wheel 51 form a rotating pair; and then the motor 6 drives the speed reducer, the worm 52, the worm wheel 51 and the transmission shaft to rotate in sequence, the torque is transmitted to the driving module 3, and the straight pipe section 131 on one side of the high-pressure elbow 13 is driven to perform angle fine adjustment, wherein the angle can be increased or decreased according to the actual situation.
Preferably, the workbench 1 is also provided with an angle graduated scale 7 for displaying the fine adjustment angle of the high-pressure bent pipe 13; the angle graduated scale 7 is arranged on the workbench 1 below the arc section 132; the angle scale 7 includes a fixed scale 71 and a rotating scale 72; one ends of the fixed ruler 71 and the rotating ruler 72 are overlapped and are opposite to the center of the arc section 132; wherein the other end of the fixed ruler 71 is fixed to the end of the fixed module 2 so as to be axially parallel to the straight tube section 131 on the fixed module 2, and the other end of the rotary ruler 72 is fixed to the end of the drive module 3 so as to be axially parallel to the straight tube section 131 on the drive module 3. Thus, as long as the driving module 3 generates an angle change, the rotating ruler 72 can be driven to rotate, and the reading on the angle scale 7 is the angle of the high-pressure elbow 13.
In order to eliminate the bending radius change caused by the bending resilience of the high-pressure bent pipe 13, the workbench 1 is also provided with an inner shaping structure 8 and an outer shaping structure 9; the inner shaping structure 8 comprises a ball slideway I81 which is arranged on the workbench 1 and is opposite to the center of the inner side of the arc section 132, a sliding block 82 which is in sliding fit with the ball slideway I, and an inner shaping mould 83 arranged on the sliding block 82; the periphery of the inner shaping die 83 is a curved surface I84 in contact with the inner side surface of the arc section 132; the central radius of the first curved surface 84 is slightly smaller than the bending radius of the circular arc section 132; in addition, the slide block 82 is provided with an inner fixed operation part 85 for pushing the inner fixed structure 8 to slide; the outer shaping structure 9 comprises a second ball slideway 91 and an outer shaping die 92 which are arranged outside the arc section 132; the second ball slide rail 91 is arranged right opposite to the center of the arc end and is in sliding fit with the outer shaping die 92, and an outer shaping operation part 93 for pushing the outer shaping die 92 to slide is arranged on the outer shaping die 92; the outer sizing die 92 is provided with a second curved surface 94 which is opposite to the center of the arc section 132 and is in contact with the outer side surface of the arc section 132, and the central radius of the second curved surface 94 is slightly larger than the bending radius of the bent pipe. The inner shaping structure 8 and the outer shaping structure 9 can work independently or work together according to conditions, the center radius of the curved surface of the inner shaping die 83 and the center radius of the curved surface of the outer shaping die 92 can be obtained through die trial, the two can clamp the bent pipe when the angle of the bent pipe is finely adjusted, the stress of the bent pipe is uniform when the angle of the bent pipe is finely adjusted, and the section deformation of the bent pipe is inhibited when the angle of the bent pipe is finely adjusted.
Preferably, in order to improve the ductility of the arc segment 132 and improve the angle fine adjustment quality of the arc segment 132, the outer side of the arc segment 132 is wrapped with the eddy current temperature increasing coil 10 controlled by the frequency converter 11 according to the difference of the materials of the high-pressure elbow 13; the eddy current temperature-increasing coil 10 can increase the temperature of the high-pressure bent pipe 13, eliminate the residual stress in the bent pipe and improve the performance of the bent pipe; the diameter of the eddy current warming coil 10 may be slightly larger than the diameter of the elbow so that it can move between the straight section and the circular arc section 132. The worktable 1 is also provided with a temperature measuring device 12 which is over against the eddy current temperature increasing coil 10, the temperature increasing speed of the eddy current temperature increasing coil 10 is monitored by the temperature measuring device 12, and the temperature increasing speed of the eddy current temperature increasing coil 10 is controlled by the frequency and the current of a connected power supply.
Preferably, the straight pipe section 131 of the elbow is installed on the fixing module 2 and the driving module 3 through an upper clamping die 21 and a lower clamping die 22; the fixed module 2 is a square block body, and an installation groove 23 is formed in the center of the upper end of the block body; the lower holding die 22 is connected in the mounting groove 23; the upper surface of the lower holding die 22 is provided with an upper arc-shaped groove buckled with the outer wall of the straight pipe section 131, and the lower surface of the upper holding die 21 is provided with an upper arc-shaped groove buckled with the outer wall of the straight pipe section 131; the fixing module 2 is provided with a plurality of threaded holes 24, and the upper clamping die 21 and the lower clamping die 22 are in threaded connection with the fixing module 2 so as to select different positions on the fixing module 2 to obtain different moments; the structure and the bent pipe fixing form of the driving module 3 are the same as those of the fixing module 2, and are not described again; in addition, the fixed module 2 and the driving module 3 can be replaced according to the specification of the elbow.
A titanium alloy high-pressure pipe is after the bending pipe of bending machine, and the return bend angle is 91, needs to utilize the device of this patent to finely tune the angle to 90 this moment.
Taking the elbow as an example, the invention also discloses a working method of the seawater desalination high-pressure elbow 13 angle fine-tuning device, which specifically comprises the following steps:
s1, placing the straight pipe section 131 of the high-pressure elbow 13 on the fixing module 2 and the driving module 3 respectively and fixing the straight pipe section with the upper and lower holding dies 22, wherein the center of the arc section 132 of the high-pressure elbow 13 is aligned with the inner and outer shaping structures 9;
s2, controlling the eddy current heating coil to heat the bent pipe through the frequency converter 11, and monitoring the heating temperature of the eddy current heating coil to 200-300 ℃ by the temperature measuring equipment 12, wherein the temperature can not only increase the ductility of the bent pipe material, but also can not change the internal structure of the titanium alloy; the eddy current heating coil is heated and then folded to one side of the straight pipe section 131;
s3, the inner shaping mold 92 and the outer shaping mold 92 are tightly attached to the arc section 132;
s4, starting the motor 6 to enable the driving module 3 to rotate, stopping the motor 6 from rotating when the angle of the elbow is synchronously measured by the angle ruler to be 90 degrees, maintaining the pressure of the elbow for a period of time, and unloading the elbow; and observing the reading of the angle scale 7, determining a secondary angle fine adjustment value by analyzing the angle rebound value, and finally finishing the 90-degree angle fine adjustment work.
The embodiments of the present invention have been described in detail, but the description is only for the preferred embodiments of the present invention and should not be construed as limiting the scope of the present invention. All equivalent changes and modifications made within the scope of the present invention shall fall within the scope of the present invention.
Claims (10)
1. A seawater desalination high-pressure elbow angle fine adjustment device comprises a workbench; the method is characterized in that: one end of the workbench is provided with a working part for finely adjusting the angle of the bent pipe, and the other end of the workbench is provided with a driving part for providing power for the working part; the working component comprises a fixing module and a driving module which are vertically arranged on the workbench; the high-pressure bent pipe comprises an arc section to be adjusted and straight pipe sections on two sides of the arc section; the fixed module is fixedly connected with the workbench, an extension plate is fixedly connected below the driving module, the end part of the extension plate is rotatably connected with the workbench, and an arc-shaped slideway for the rotation of the driving module and the extension plate is arranged on the workbench; one side of the high-pressure elbow pipe is provided with a straight pipe section which is arranged on the fixed module, and the other side of the high-pressure elbow pipe is provided with a straight pipe section which is arranged on the driving module; the driving module drives the upper straight pipe section to rotate at a preset angle under the action of the driving part.
2. The seawater desalination high-pressure elbow angle fine-tuning device of claim 1, wherein: the driving part comprises a rotating shaft and a matched worm gear; a motor and a reducer for driving the worm and the worm wheel to rotate are arranged on the outer side of the workbench; one end of the rotating shaft penetrates through the workbench to be fixedly connected with the extension plate, and the other end of the rotating shaft and the worm wheel form a rotating pair; the motor drives the speed reducer, the worm wheel and the transmission shaft to rotate in sequence, and torque is transmitted to the driving module to drive the straight pipe section to carry out angle fine adjustment.
3. The seawater desalination high-pressure elbow angle fine-tuning device of claim 2, wherein: the workbench is also provided with an angle graduated scale for displaying the fine adjustment angle of the high-pressure bent pipe; the angle graduated scale is arranged below the circular arc section.
4. The seawater desalination high-pressure elbow angle fine-tuning device of claim 3, wherein: the angle graduated scale comprises a fixed scale and a rotating scale; one ends of the fixed ruler and the rotating ruler are overlapped and are opposite to the center of the arc section; the other end of the fixed ruler is fixed at the end of the fixed module and is axially parallel to the straight pipe section on the fixed module, and the other end of the rotating ruler is fixed at the end of the driving module and is axially parallel to the straight pipe section on the driving module.
5. The seawater desalination high-pressure elbow angle fine-tuning device of claim 1, wherein: the workbench is also provided with an inner shaping structure and an outer shaping structure which are just opposite to the center of the arc section; the inner shaping structure comprises a ball slideway I arranged on the inner side of the arc section, a sliding block matched with the ball slideway in a sliding way, and an inner shaping die arranged on the sliding block; the periphery of the inner forming die is a first curved surface which is in contact with the inner side surface of the arc section.
6. The seawater desalination high-pressure elbow angle fine-tuning device of claim 5, wherein: the outer shaping structure comprises a ball slideway II and an outer shaping die which are arranged on the outer side of the arc section; the second ball slide way is in sliding fit with the outer shaping die, and an outer shaping operation part for pushing the outer shaping die to slide is arranged on the outer shaping die; the outer shaping die is provided with a second curved surface which is opposite to the center of the arc section and is in contact with the outer side surface of the arc section.
7. The seawater desalination high-pressure elbow angle fine-tuning device of claim 6, wherein: the central radius of the first curved surface is smaller than the bending radius of the arc section; the central radius of the second curved surface is slightly larger than the bending radius of the bent pipe.
8. The seawater desalination high-pressure elbow angle fine-tuning device of claim 1, wherein: the outer side of the arc section is wrapped with an eddy current heating coil controlled by a frequency converter; the worktable is also provided with a temperature measuring device which is over against the eddy current heating coil.
9. The seawater desalination high-pressure elbow angle fine-tuning device of claim 1, wherein: the straight pipe section is movably connected to the fixed module and the driving module through the upper holding die and the lower holding die.
10. The working method of the seawater desalination high-pressure elbow angle fine adjustment device according to any one of claims 1 to 9, wherein: the method specifically comprises the following steps:
s1, respectively placing the straight pipe sections of the high-pressure bent pipe on the fixing module and the driving module and fixing the straight pipe sections by using an upper holding die and a lower holding die, wherein the center of the arc section of the high-pressure bent pipe is in an inner and outer shaping structure;
s2, controlling the eddy current heating coil to heat the bent pipe through the frequency converter, and folding the eddy current heating coil to one side of the straight pipe section when the temperature measuring equipment monitors that the eddy current heating coil is heated to a set temperature;
s3, the inner and outer shaping molds are attached to the arc sections;
s4, starting a motor to enable a driving module to rotate, stopping the motor from rotating when the angle ruler synchronously measures the angle of the bent pipe to be 90 degrees, maintaining the pressure of the bent pipe for a period of time, and unloading the bent pipe; and observing the reading of the angle scale, determining a secondary angle fine adjustment value by analyzing the angle rebound value, and finally finishing the 90-degree angle fine adjustment work.
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| CN202010316111.9A CN111496033B (en) | 2020-04-21 | 2020-04-21 | Seawater desalination high-pressure elbow angle fine adjustment device and working method |
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| CN202010316111.9A CN111496033B (en) | 2020-04-21 | 2020-04-21 | Seawater desalination high-pressure elbow angle fine adjustment device and working method |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114346017A (en) * | 2021-12-06 | 2022-04-15 | 苏州航顺钛合金制品有限公司 | Bending equipment and bending method for titanium alloy pipe |
| CN115945556A (en) * | 2023-03-09 | 2023-04-11 | 泉州市成裕机械设备有限公司 | Metal pipe bending processing equipment for mining machinery and bending method thereof |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN114346017A (en) * | 2021-12-06 | 2022-04-15 | 苏州航顺钛合金制品有限公司 | Bending equipment and bending method for titanium alloy pipe |
| CN115945556A (en) * | 2023-03-09 | 2023-04-11 | 泉州市成裕机械设备有限公司 | Metal pipe bending processing equipment for mining machinery and bending method thereof |
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| CN111496033B (en) | 2021-02-02 |
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