CN213104583U - High-precision inner hole boring device for duplex stainless steel pipe - Google Patents
High-precision inner hole boring device for duplex stainless steel pipe Download PDFInfo
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- CN213104583U CN213104583U CN202021083828.5U CN202021083828U CN213104583U CN 213104583 U CN213104583 U CN 213104583U CN 202021083828 U CN202021083828 U CN 202021083828U CN 213104583 U CN213104583 U CN 213104583U
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Abstract
The utility model relates to a high-precision inner hole boring device for a duplex stainless steel pipe, which comprises a frame, a boring mechanism, an oil supply mechanism, a propulsion mechanism and a clamping and supporting mechanism; the center of the rack is provided with a mounting groove along the length direction of the rack, two sides of the rack are provided with slide rails along the length direction of the rack, and the boring mechanism is arranged on the slide rails and is positioned right above the mounting groove; the propelling mechanism is fixedly arranged in the mounting groove, and the boring mechanism moves back and forth between the propelling mechanism and the boring mechanism by utilizing a screw rod principle; an oil supply mechanism is arranged on the frame and injects emulsion into the boring mechanism; the machine frame is provided with a clamping and supporting mechanism, and the clamping and supporting mechanism and the boring mechanism are oppositely arranged and positioned on the same straight line; the utility model discloses simple structure, degree of automation are high, the precision is high, the effectual truing efficiency that has improved, have promoted product quality, have reduced intensity of labour.
Description
Technical Field
The utility model relates to a duplex stainless steel pipe high accuracy hole bore hole device belongs to steel pipe production and processing technical field.
Background
The duplex stainless steel pipe has good welding performance, and compared with ferritic stainless steel and austenitic stainless steel, the duplex stainless steel pipe is not like a welding heat affected zone of the ferritic stainless steel, and the plasticity and toughness are greatly reduced due to serious coarsening of crystal grains, and is also sensitive to welding hot cracks like austenitic stainless steel. Due to the special advantages of the duplex stainless steel, the duplex stainless steel is widely applied to the industrial fields of petrochemical equipment, seawater and wastewater treatment equipment, oil and gas pipelines, paper making machinery and the like, is also researched and used in the field of bridge bearing structures in recent years, and has good development prospect. But with the rapid development of petrochemical industry, military industry and ocean development, higher requirements are put forward on the precision and the flatness of the stainless steel pipe; the stainless steel pipe inner wall of part on the market at present has burr and concave-convex point of different degrees under the normal condition because manufacturing process defect, in some special use in later stage, need get rid of the burr and eliminate concave-convex point through little reaming mode, and the removal time of burr is mostly after tubular product cutting is accomplished. When the burrs on the inner side wall of the pipe are removed in the prior art, manual grinding is mostly adopted to complete the process, the efficiency is low, the straightness and smoothness required by the normalizing process cannot be achieved, the normalizing efficiency is influenced, and the mechanical strength and the toughness of the steel pipe product are greatly influenced. Therefore, there is a need for a device that can enlarge the hole diameter, improve the accuracy, reduce the roughness of the tube wall, and better correct the deviation of the original hole axis to solve the above problems.
Disclosure of Invention
An object of the utility model is to overcome the aforesaid not enough, provide a simple structure, degree of automation is high, can enlarge the aperture, improves the precision, reduces the pipe wall roughness, can also correct the duplex stainless steel pipe high accuracy hole bore hole device of the incline of original hole axis betterly.
The purpose of the utility model is realized like this:
a duplex stainless steel tube high-precision inner hole boring device comprises a frame, a boring mechanism, an oil supply mechanism, a propelling mechanism and a clamping support mechanism; the center of the rack is provided with a mounting groove along the length direction of the rack, two sides of the rack are provided with slide rails along the length direction of the rack, and the boring mechanism is arranged on the slide rails and is positioned right above the mounting groove; the propelling mechanism is fixedly arranged in the mounting groove, and the boring mechanism moves back and forth between the propelling mechanism and the boring mechanism by utilizing a screw rod principle; an oil supply mechanism is arranged on the frame and injects emulsion into the boring mechanism; the machine frame is provided with a clamping and supporting mechanism, and the clamping and supporting mechanism and the boring mechanism are oppositely arranged and positioned on the same straight line;
the boring mechanism comprises an overhaul box, a boring rod and a movable supporting device; the top surface of the maintenance box is provided with a first servo motor, an output shaft of the first servo motor is connected with an input end of a first speed reducer, an output end of the first speed reducer is provided with a synchronous belt wheel, and the synchronous belt wheel is arranged in the maintenance box; a boring bar is arranged right above the rack along the length direction of the rack, the tail end of the boring bar is arranged in the overhaul box and is connected with the output end of the first speed reducer through a synchronous belt pulley, and a boring cutter is arranged at the front end of the boring bar; an oil passing hole is formed in the center of the boring rod along the length direction of the boring rod; the bottom surface of the maintenance box is provided with a connecting plate, and the connecting plate is provided with a screw hole along the length direction of the boring rod; a plurality of parallel movable supporting devices are arranged on the sliding rail in a sliding manner and are positioned right below the boring bar;
the movable supporting device comprises a sliding seat, sliding grooves are respectively formed in the two sides of the sliding seat along the length direction of the sliding rail, and the sliding seat is arranged on the sliding rail in a sliding mode through the sliding grooves; a second bearing seat is arranged in the center of the top surface of the sliding seat, and the boring rod is connected to the second bearing seat in a penetrating manner; a connecting block is arranged in the center of the bottom surface of the sliding seat, and a screw hole is formed in the connecting block along the length direction of the boring rod;
the oil supply mechanism comprises an oil pump which is communicated with the oil passing hole through a pipeline;
the propelling mechanism comprises a second servo motor, a second speed reducer, two first bearing seats and a screw rod; the two first bearing seats are respectively positioned at two ends of the mounting groove on the rack, the two first bearing seats are positioned on the same straight line, a screw rod is arranged between the two first bearing seats, and two ends of the screw rod are respectively connected in the first bearing seats at two ends in a penetrating manner; the second servo motor is positioned at one end of the screw, an output shaft of the second servo motor is connected with an input end of a second speed reducer, and an output end of the second speed reducer is connected with the screw; the screw rods are simultaneously screwed in the screw holes of the connecting plate on the bottom surface of the maintenance box and the screw holes of the connecting blocks on the bottom surface of the sliding seat;
the clamping and supporting mechanism comprises a plurality of clamping devices and a plurality of supporting devices; the plurality of clamping devices and the plurality of supporting devices are positioned on the same straight line; the clamping device comprises a fixed seat fixedly arranged on the rack, the fixed seat is of a frame structure, and guide grooves are respectively arranged on the inner walls of two sides of the fixed seat, which are perpendicular to the boring bar; two clamping blocks are arranged in the center of the fixed seat and are arranged oppositely; the inner side of the clamping block is arc-shaped; guide strips are arranged on two sides of the bottom of the clamping block, and the guide strips on the two sides are respectively embedded in guide grooves on the inner walls of the two sides of the fixed seat; screw holes are formed in the two clamping blocks along the direction of the guide strip, and the screw holes of the two clamping blocks are located on the same straight line; a double-threaded screw is simultaneously screwed in the two screw holes, threads at two ends of the double-threaded screw are oppositely arranged, and the two clamping blocks are respectively connected to the threads at two ends in a penetrating way; a third servo motor is arranged on the fixed seat, the third servo motor is positioned at the end of the double-headed screw, and a rotating shaft of the third servo motor is connected with one end of the double-headed screw through a speed reducer;
the supporting device comprises a base, and a worm gear lifter is arranged in the center of the top surface of the base; the top surface of the base is provided with two guide posts which are respectively positioned at two sides of the worm gear lifter; the top of the worm gear lifter is fixedly provided with a transversely arranged lifting plate, two sides of the top surface of the lifting plate are respectively provided with a vertically arranged through hole, the two through holes are respectively in one-to-one correspondence with the two guide posts, and the two guide posts are respectively connected in the corresponding through holes in a penetrating manner; the top surface center of lifter plate is provided with the supporting seat, the central authorities of supporting seat are provided with the V-arrangement groove along steel pipe length direction.
The utility model relates to a duplex stainless steel pipe high accuracy hole bore hole device, the front end of boring cutter and boring bar passes through bolt fixed connection, makes things convenient for the dismouting.
The utility model relates to a duplex stainless steel pipe high accuracy hole bore hole device, be provided with a plurality of rubber pads on the arc inside wall of grip block.
Compared with the prior art, the beneficial effects of the utility model are that:
the utility model fine-adjusts the levelness of the steel pipe to be finished through the clamping support structure, and the plurality of clamping devices make the steel pipe more stable during finishing, thereby effectively improving the finishing precision; meanwhile, the boring device is driven by a motor to move forward by utilizing a screw rod principle, so that the automation degree is improved, and the boring is more stable; the utility model discloses simple structure, degree of automation are high, can enlarge the aperture, have improved the finishing accuracy, reduce the pipe wall roughness, can also correct the incline of original hole axis betterly.
Drawings
Fig. 1 is the utility model relates to a duplex stainless steel pipe high accuracy hole bore hole device's overall structure schematic diagram.
Fig. 2 is the utility model discloses a section view of duplex stainless steel pipe high accuracy hole bore hole device.
Fig. 3 is a side view of the utility model relates to a duplex stainless steel pipe high accuracy hole bore hole device.
Fig. 4 is the utility model relates to a removal strutting arrangement schematic structure of duplex stainless steel pipe high accuracy hole bore hole device.
Fig. 5 is the utility model discloses a clamping device elevation view of duplex stainless steel pipe high accuracy hole bore hole device.
Fig. 6 is a side view of fig. 5.
Fig. 7 is a top view of fig. 5.
Fig. 8 is the utility model discloses a support arrangement schematic structure of duplex stainless steel pipe high accuracy hole bore hole device.
Wherein:
the boring machine comprises a frame 1, a boring mechanism 2, an oil supply mechanism 3, a propelling mechanism 4, a clamping and supporting mechanism 5 and a steel pipe 101;
the device comprises a slide rail 1.1, an overhaul box 2.1, a first servo motor 2.2, a first speed reducer 2.3, a synchronous belt pulley 2.4, a boring bar 2.5, a boring cutter 2.6, an oil passing hole 2.7, a movable supporting device 2.8, an oil pump 3.1, a second servo motor 4.1, a second speed reducer 4.2, a first bearing seat 4.3, a screw rod 4.4, a clamping device 5.1 and a supporting device 5.2;
2.81 of a sliding seat, 2.82 of a sliding chute, 2.83 of a second bearing seat and 2.84 of a connecting block;
the device comprises a fixed seat 5.11, a third servo motor 5.12, a clamping block 5.13, a guide strip 5.14, a guide groove 5.15 and a double-threaded screw rod 5.16;
base 5.21, guide post 5.22, worm gear riser 5.23, lifter plate 5.24, supporting seat 5.25.
Detailed Description
Referring to fig. 1-8, the utility model relates to a duplex stainless steel pipe high-precision inner hole boring device, which comprises a frame 1, a boring mechanism 2, an oil supply mechanism 3, a propulsion mechanism 4 and a clamping support mechanism 5; the center of the rack 1 is provided with an installation groove along the length direction, two sides of the rack 1 are provided with slide rails 1.1 along the length direction, and the boring mechanism 2 is arranged on the slide rails 1.1 and is positioned right above the installation groove; the propelling mechanism 4 is fixedly arranged in the mounting groove, and the boring mechanism 2 moves back and forth between the propelling mechanism 4 and the boring mechanism 2 by utilizing the screw rod principle; an oil supply mechanism 3 is arranged on the machine frame 1, and emulsion is injected into the boring mechanism 2 by the oil supply mechanism 3; the machine frame 1 is provided with a clamping and supporting mechanism 5, and the clamping and supporting mechanism 5 is arranged opposite to the boring mechanism 2 and is positioned on the same straight line; after the steel pipe 101 is supported and clamped by the clamping and supporting mechanism 5, the boring mechanism 2 starts to finish the inner hole of the steel pipe 101;
the boring mechanism 2 comprises an inspection box 2.1, a boring bar 2.5 and a movable supporting device 2.8; a first servo motor 2.2 is arranged on the top surface of the maintenance box 2.1, an output shaft of the first servo motor 2.2 is connected with an input end of a first speed reducer 2.3, an output end of the first speed reducer 2.3 is provided with a synchronous belt wheel 2.4, and the synchronous belt wheel 2.4 is arranged in the maintenance box 2.1 to prevent dust from entering and influencing the maintenance box; a boring bar 2.5 is arranged right above the rack 1 along the length direction of the rack, the tail end of the boring bar 2.5 is arranged in the overhaul box 2.1 and is connected with the output end of the first speed reducer 2.3 through a synchronous belt pulley 2.4, a boring cutter 2.6 is arranged at the front end of the boring bar 2.5, and the radial length of the boring cutter 2.6 is not more than the inner diameter of the steel pipe 101; the center of the boring bar 2.5 is provided with an oil passing hole 2.7 along the length direction; the bottom surface of the maintenance box 2.1 is provided with a connecting plate, and the connecting plate is provided with a screw hole along the length direction of the boring bar 2.5; a plurality of parallel movable supporting devices 2.8 are arranged on the sliding rail 1.1 in a sliding manner, the plurality of movable supporting devices 2.8 are positioned right below the boring bar 2.5, and the plurality of movable supporting devices 2.8 support and fix the boring bar 2.5; further, the movable supporting device 2.8 comprises a sliding seat 2.81, two sides of the sliding seat 2.81 are respectively provided with a sliding groove 2.82 along the length direction of the sliding rail 1.1, and the sliding seat 2.81 is slidably arranged on the sliding rail 1.1 through the sliding groove 2.82; a second bearing seat 2.83 is arranged in the center of the top surface of the sliding seat 2.81, the boring bar 2.5 is connected to the second bearing seat 2.83 in a penetrating manner, the second bearing seat 2.83 fixedly supports the boring bar 2.5, and the boring bar 2.5 freely rotates in the second bearing seat 2.83; a connecting block 2.84 is arranged in the center of the bottom surface of the sliding seat 2.81, and a screw hole is formed in the connecting block 2.84 along the length direction of the boring rod 2.5;
preferably, the boring cutter 2.6 is fixedly connected with the front end of the boring bar 2.5 through a bolt, so that the boring cutter is convenient to disassemble and assemble and is suitable for steel pipes with different pipe diameters;
the oil supply mechanism 3 comprises an oil pump 3.1, the oil pump 3.1 is communicated with the oil passing hole 2.7 through a pipeline, the oil pump 3.1 injects emulsion into the oil passing hole 2.7, and the emulsion flows out from the front end of the boring rod 2.5 during finishing, so that the adhesion of chips and the abrasion of the boring cutter 2.6 are effectively prevented; a sealing ring is arranged at the joint of the oil pump 3.1 and the oil passing hole 2.7, so that emulsion is prevented from leaking;
the propulsion mechanism 4 comprises a second servo motor 4.1, a second speed reducer 4.2, two bearing blocks I4.3 and a screw rod 4.4; the two bearing blocks I4.3 are respectively positioned at two ends of the mounting groove on the rack 1, the two bearing blocks I4.3 are positioned on the same straight line, a screw rod 4.4 is arranged between the two bearing blocks I4.3, and two ends of the screw rod 4.4 are respectively connected in the bearing blocks I4.3 at two ends in a penetrating manner; the second servo motor 4.1 is positioned at one end of the screw, an output shaft of the second servo motor 4.1 is connected with an input end of a second speed reducer 4.2, an output end of the second speed reducer 4.2 is connected with the screw 4.4, and the second servo motor 4.1 drives the screw 4.4 to rotate positively and negatively; the screw rod 4.4 is simultaneously screwed in a screw hole of the bottom connecting plate of the maintenance box 2.1 and a screw hole of the bottom connecting block 2.84 of the sliding seat 2.81, and specifically, the second servo motor 4.1 drives the screw rod 4.4 to rotate positively and negatively, so that the maintenance box 2.1 and the movable supporting device 2.8 synchronously move back and forth along the sliding rail 1.1, and the boring bar 2.5 is driven to move back and forth;
the clamping and supporting mechanism 5 comprises a plurality of clamping devices 5.1 and a plurality of supporting devices 5.2; the plurality of clamping devices 5.1 and the plurality of supporting devices 5.2 are positioned on the same straight line; the steel pipe 101 is fastened and erected on the supporting device 5.2 through the clamping device 5.1; the clamping device 5.1 comprises a fixed seat 5.11 fixedly arranged on the rack 1, the fixed seat 5.11 is of a frame structure, and guide grooves 5.15 are respectively arranged on the inner walls of two sides of the fixed seat 5.11, which are vertical to the boring bar 2.5; the center of the fixed seat 5.11 is provided with two clamping blocks 5.13, and the two clamping blocks 5.13 are oppositely arranged; the inner side of the clamping block 5.13 is arc-shaped; guide strips 5.14 are arranged on two sides of the bottom of the clamping block 5.13, and the guide strips 5.14 on the two sides are respectively embedded in guide grooves 5.15 on the inner walls on the two sides of the fixed seat 5.11; screw holes are formed in the two clamping blocks 5.13 along the direction of the guide strip 5.14, and the screw holes of the two clamping blocks 5.13 are located on the same straight line; a double-threaded screw 5.16 is simultaneously screwed in the two screw holes, threads at two ends of the double-threaded screw 5.16 are oppositely arranged, and the two clamping blocks 5.13 are respectively threaded on the threads at two ends; a third servo motor 5.12 is arranged on the fixed seat 5.11, the third servo motor 5.12 is positioned at the end of the double-headed screw 5.16, and a rotating shaft of the third servo motor 5.12 is connected with one end of the double-headed screw 5.16 through a speed reducer; specifically, when the third servo motor 5.12 is started, the rotating shaft drives the double-threaded screw 5.16 to rotate, and because the threads at the two ends of the double-threaded screw 5.16 are oppositely arranged, the two clamping blocks 5.13 relatively move along the guide groove 5.15, and the clamping or loosening action of the two clamping blocks 5.13 is realized through the forward and backward rotation of the third servo motor 5.12;
preferably, a plurality of rubber pads are arranged on the arc-shaped inner side wall of the clamping block 5.13, so that the deformation caused by damage to the outer wall of the steel pipe 101 during clamping is prevented;
the supporting device 5.2 comprises a base 5.21, and a worm and gear lifter 5.23 is arranged in the center of the top surface of the base 5.21; the top surface of the base 5.21 is provided with two guide posts 5.22, and the two guide posts 5.22 are respectively positioned at two sides of the worm gear lifter 5.23; a transversely arranged lifting plate 5.24 is fixedly arranged at the top of the worm gear lifter 5.23, vertically arranged through holes are respectively formed in two sides of the top surface of the lifting plate 5.24, the two through holes are respectively in one-to-one correspondence with the two guide posts 5.22, and the two guide posts 5.22 are respectively connected in the corresponding through holes in a penetrating manner; a supporting seat 5.25 is arranged in the center of the top surface of the lifting plate 5.24, a V-shaped groove is formed in the center of the supporting seat 5.25 along the length direction of the steel pipe 101, and the steel pipe 101 is erected in the V-shaped groove;
the utility model discloses the theory of operation:
starting a third servo motor 5.12 to enable two clamping blocks 5.13 of the clamping device 5.1 to be in a separated state, erecting the steel pipe 101 to be refined on the plurality of supporting devices 5.2, manually adjusting the plurality of supporting devices 5.2 to lift, enabling the pipe body of the steel pipe 101 to be horizontally positioned at the proper position of the plurality of clamping devices 5.1, and starting the third servo motor 5.12 to enable the two clamping blocks 5.12 of the clamping device 5.1 to be folded until the steel pipe 101 is clamped and fixed; starting the first servo motor 2.2 to enable the boring bar 2.5 to rotate at a constant speed; simultaneously starting a second servo motor 4.1 to enable the front end of the boring bar 2.5 to slowly move forwards at a constant speed and approach the steel pipe 101; when the boring cutter 2.6 at the front end of the boring bar 2.6 is in contact with the inner wall of the pipe body of the steel pipe 101, the inner wall of the steel pipe is finished, the oil pump 3.1 is started to input emulsion into the oil passing hole 2.7 of the boring bar 2.5, the emulsion flows out from the front end of the boring bar 2.5, and along with the penetration of the boring bar 2.5, cutting chips are prevented from being bonded, the temperature of the boring cutter 2.6 is reduced, the service life of the boring cutter is prolonged, and the finishing efficiency is improved.
In addition: it should be noted that the above-mentioned embodiment is only a preferred embodiment of the present patent, and any modification or improvement made by those skilled in the art based on the above-mentioned conception is within the protection scope of the present patent.
Claims (3)
1. The utility model provides a duplex stainless steel pipe high accuracy hole bore hole device which characterized in that: comprises a frame (1), a boring mechanism (2), an oil supply mechanism (3), a propelling mechanism (4) and a clamping support mechanism (5); the center of the rack (1) is provided with a mounting groove along the length direction, two sides of the rack (1) are provided with slide rails (1.1) along the length direction, and the boring mechanism (2) is arranged on the slide rails (1.1) and is positioned right above the mounting groove; the propelling mechanism (4) is fixedly arranged in the mounting groove, and the boring mechanism (2) moves back and forth between the propelling mechanism (4) and the boring mechanism (2) by utilizing the screw rod principle; an oil supply mechanism (3) is arranged on the rack (1), and emulsion is injected into the boring hole mechanism (2) by the oil supply mechanism (3); the machine frame (1) is provided with a clamping and supporting mechanism (5), and the clamping and supporting mechanism (5) is opposite to the boring mechanism (2) and is positioned on the same straight line;
the boring mechanism (2) comprises an inspection box (2.1), a boring bar (2.5) and a movable supporting device (2.8); a first servo motor (2.2) is arranged on the top surface of the maintenance box (2.1), an output shaft of the first servo motor (2.2) is connected with an input end of a first speed reducer (2.3), an output end of the first speed reducer (2.3) is provided with a synchronous belt wheel (2.4), and the synchronous belt wheel (2.4) is arranged in the maintenance box (2.1); a boring bar (2.5) is arranged right above the rack (1) along the length direction of the rack, the tail end of the boring bar (2.5) is arranged in the overhaul box (2.1) and is connected with the output end of the first speed reducer (2.3) through a synchronous belt pulley (2.4), and the front end of the boring bar (2.5) is provided with a boring cutter (2.6); an oil passing hole (2.7) is formed in the center of the boring rod (2.5) along the length direction of the boring rod; the bottom surface of the maintenance box (2.1) is provided with a connecting plate, and the connecting plate is provided with a screw hole along the length direction of the boring rod (2.5); a plurality of parallel movable supporting devices (2.8) are arranged on the sliding rail (1.1) in a sliding manner, and the plurality of movable supporting devices (2.8) are positioned right below the boring bar (2.5);
the movable supporting device (2.8) comprises a sliding seat (2.81), sliding chutes (2.82) are respectively arranged on two sides of the sliding seat (2.81) along the length direction of the sliding rail (1.1), and the sliding seat (2.81) is arranged on the sliding rail (1.1) in a sliding mode through the sliding chutes (2.82); a second bearing seat (2.83) is arranged in the center of the top surface of the sliding seat (2.81), and the boring rod (2.5) is connected to the second bearing seat (2.83) in a penetrating manner; a connecting block (2.84) is arranged in the center of the bottom surface of the sliding seat (2.81), and a screw hole is formed in the connecting block (2.84) along the length direction of the boring rod (2.5);
the oil supply mechanism (3) comprises an oil pump (3.1), and the oil pump (3.1) is communicated with the oil passing hole (2.7) through a pipeline;
the propulsion mechanism (4) comprises a second servo motor (4.1), a second speed reducer (4.2), two bearing seats I (4.3) and a screw rod (4.4); the two first bearing blocks (4.3) are respectively positioned at two ends of a mounting groove on the rack (1), the two first bearing blocks (4.3) are positioned on the same straight line, a screw rod (4.4) is arranged between the two first bearing blocks (4.3), and two ends of the screw rod (4.4) are respectively connected in the first bearing blocks (4.3) at two ends in a penetrating manner; the second servo motor (4.1) is positioned at one end of the screw, an output shaft of the second servo motor (4.1) is connected with an input end of a second speed reducer (4.2), and an output end of the second speed reducer (4.2) is connected with the screw (4.4); the screw rod (4.4) is simultaneously screwed in the screw hole of the connecting plate on the bottom surface of the maintenance box (2.1) and the screw hole of the connecting block (2.84) on the bottom surface of the sliding seat (2.81);
the clamping and supporting mechanism (5) comprises a plurality of clamping devices (5.1) and a plurality of supporting devices (5.2); the plurality of clamping devices (5.1) and the plurality of supporting devices (5.2) are positioned on the same straight line; the clamping device (5.1) comprises a fixed seat (5.11) fixedly arranged on the rack (1), the fixed seat (5.11) is of a frame structure, and guide grooves (5.15) are respectively arranged on the inner walls of two sides of the fixed seat (5.11) vertical to the boring bar (2.5); the center of the fixed seat (5.11) is provided with two clamping blocks (5.13), and the two clamping blocks (5.13) are arranged oppositely; the inner side of the clamping block (5.13) is arc-shaped; guide strips (5.14) are arranged on two sides of the bottom of the clamping block (5.13), and the guide strips (5.14) on two sides are respectively embedded in guide grooves (5.15) on the inner walls on two sides of the fixed seat (5.11); screw holes are formed in the two clamping blocks (5.13) along the direction of the guide strip (5.14), and the screw holes of the two clamping blocks (5.13) are located on the same straight line; a double-threaded screw (5.16) is simultaneously screwed in the two threaded holes, threads at two ends of the double-threaded screw (5.16) are oppositely arranged, and the two clamping blocks (5.13) are respectively connected on the threads at two ends in a penetrating way; a third servo motor (5.12) is arranged on the fixed seat (5.11), the third servo motor (5.12) is positioned at the end of the double-head screw (5.16), and a rotating shaft of the third servo motor (5.12) is connected with one end of the double-head screw (5.16) through a speed reducer;
the supporting device (5.2) comprises a base (5.21), and a worm gear lifter (5.23) is arranged in the center of the top surface of the base (5.21); the top surface of the base (5.21) is provided with two guide posts (5.22), and the two guide posts (5.22) are respectively positioned at two sides of the worm gear lifter (5.23); a transversely arranged lifting plate (5.24) is fixedly mounted at the top of the worm gear-worm lifter (5.23), through holes which are vertically arranged are respectively formed in two sides of the top surface of the lifting plate (5.24), the two through holes are respectively in one-to-one correspondence with the two guide posts (5.22), and the two guide posts (5.22) are respectively connected in the corresponding through holes in a penetrating manner; the top surface center of lifter plate (5.24) is provided with supporting seat (5.25), the central authorities of supporting seat (5.25) are provided with the V-arrangement groove along steel pipe (101) length direction.
2. The duplex stainless steel pipe high-precision inner hole boring device according to claim 1, characterized in that: the boring cutter (2.6) is fixedly connected with the front end of the boring rod (2.5) through a bolt, so that the boring cutter is convenient to disassemble and assemble.
3. The duplex stainless steel pipe high-precision inner hole boring device according to claim 1, characterized in that: a plurality of rubber pads are arranged on the arc-shaped inner side wall of the clamping block (5.13).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021083828.5U CN213104583U (en) | 2020-06-12 | 2020-06-12 | High-precision inner hole boring device for duplex stainless steel pipe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021083828.5U CN213104583U (en) | 2020-06-12 | 2020-06-12 | High-precision inner hole boring device for duplex stainless steel pipe |
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| Publication Number | Publication Date |
|---|---|
| CN213104583U true CN213104583U (en) | 2021-05-04 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021083828.5U Active CN213104583U (en) | 2020-06-12 | 2020-06-12 | High-precision inner hole boring device for duplex stainless steel pipe |
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| Country | Link |
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| CN (1) | CN213104583U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117754010A (en) * | 2024-02-21 | 2024-03-26 | 江苏久保联实业有限公司 | boring cutter device with variable boring diameter for furnace tube |
-
2020
- 2020-06-12 CN CN202021083828.5U patent/CN213104583U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117754010A (en) * | 2024-02-21 | 2024-03-26 | 江苏久保联实业有限公司 | boring cutter device with variable boring diameter for furnace tube |
| CN117754010B (en) * | 2024-02-21 | 2024-06-04 | 江苏久保联实业有限公司 | Boring cutter device with variable boring diameter for furnace tube |
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