CN117139974B - Welding device for machining cylindrical mechanical parts - Google Patents
Welding device for machining cylindrical mechanical parts Download PDFInfo
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- CN117139974B CN117139974B CN202311331836.5A CN202311331836A CN117139974B CN 117139974 B CN117139974 B CN 117139974B CN 202311331836 A CN202311331836 A CN 202311331836A CN 117139974 B CN117139974 B CN 117139974B
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- butt joint
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- 238000003466 welding Methods 0.000 title claims abstract description 142
- 238000003754 machining Methods 0.000 title claims abstract description 5
- 210000001503 joint Anatomy 0.000 claims abstract description 67
- 238000001514 detection method Methods 0.000 claims abstract description 47
- 230000017105 transposition Effects 0.000 claims abstract description 35
- 230000007306 turnover Effects 0.000 claims abstract description 21
- 238000003032 molecular docking Methods 0.000 claims description 4
- 238000000034 method Methods 0.000 claims 1
- 230000008439 repair process Effects 0.000 abstract description 13
- 230000005540 biological transmission Effects 0.000 description 3
- 238000012545 processing Methods 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000012937 correction Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000013011 mating Effects 0.000 description 1
- 238000002203 pretreatment Methods 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K37/00—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups
- B23K37/04—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups for holding or positioning work
- B23K37/047—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups for holding or positioning work moving work to adjust its position between soldering, welding or cutting steps
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K31/00—Processes relevant to this subclass, specially adapted for particular articles or purposes, but not covered by only one of the preceding main groups
- B23K31/02—Processes relevant to this subclass, specially adapted for particular articles or purposes, but not covered by only one of the preceding main groups relating to soldering or welding
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K37/00—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups
- B23K37/04—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups for holding or positioning work
- B23K37/053—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups for holding or positioning work aligning cylindrical work; Clamping devices therefor
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
- B23P23/00—Machines or arrangements of machines for performing specified combinations of different metal-working operations not covered by a single other subclass
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Butt Welding And Welding Of Specific Article (AREA)
Abstract
The invention discloses a welding device for machining cylindrical mechanical parts, and relates to the technical field of part welding; the device comprises a base, wherein the base is fixedly connected with a top plate through a connecting frame; two clamping turnover pieces are arranged on the base; the base is rotatably provided with a transposition butt joint part which is used for clamping and fixing the support rod piece and adjusting the butt joint position of the support rod piece; the transposition butt joint part is provided with a detection part for detecting the position of a welding area of the support rod part, and the connecting frame is provided with a repairing part for repairing the welding area of the support rod part; the base is also provided with a position detection piece for detecting the position of a welding hole position on the main rod piece; the welding piece is arranged on the top plate and is used for welding the main rod piece and the support rod piece in different directions; the invention can perform pretreatment operation before welding, can adjust and correct the butt joint position of the cylindrical parts, repairs the welding area, can finish accurate position butt joint and ensures the welding quality.
Description
Technical Field
The invention relates to the technical field of part welding, in particular to a welding device for machining cylindrical mechanical parts.
Background
At present, the development of the processing and manufacturing industry is particularly rapid, the production requirements for various mechanical parts are also increasing, and various connecting modes are various when various mechanical parts are assembled, for example, the mechanical parts can be assembled and connected through fasteners, and the mechanical parts can be fixedly connected through welding; the welding is a common mechanical part connection mode, for the cylindrical parts, because the surfaces of the cylindrical parts are arc-shaped, during welding, the processing operations such as butt joint, position detection, correction and the like are required, generally, the manual operation is performed, the labor and the effort are wasted, in order to ensure the welding quality, the butt joint position between two cylindrical parts is ensured to be accurate, the existing welding equipment has single function and does not have a pretreatment function before welding, and the inventor provides a welding device capable of carrying out pretreatment before welding, can regulate and correct the butt joint position of the cylindrical parts, repair the welding area, and can finish accurate position butt joint and ensure the welding quality according to the technical problems; the Chinese patent with the bulletin number of CN215469176U discloses a cylinder welding machine, which has the technical scheme that: comprises a first positioning mechanism, a second positioning mechanism and a welding jacking mechanism; from the described content, the patent is mainly convenient for realizing the positioning of the welding workpiece; for the pre-treatment operation before welding, this patent does not propose an effective solution.
Disclosure of Invention
According to the invention, the pretreatment operation can be performed before welding, the butt joint position of the cylindrical parts can be adjusted and corrected, the welding area can be repaired, the accurate position butt joint can be completed, and the welding quality is ensured.
The technical scheme adopted by the invention is as follows: a welding device for processing cylindrical mechanical parts comprises a base, wherein a top plate is fixedly connected to the base through a connecting frame; two clamping turnover pieces are arranged on the base and used for clamping and fixing the main rod piece and adjusting the angle of the main rod piece; the base is rotatably provided with a transposition butt joint part which is used for clamping and fixing the support rod piece and adjusting the butt joint position of the support rod piece; the transposition butt joint part comprises a transposition gear ring rotatably arranged on the base, a connecting seat is connected to the transposition gear ring, and a clamping part is radially and slidably arranged on the connecting seat and used for clamping the support rod piece and adjusting the angle of the support rod piece; the two sides of the connecting seat are provided with detection pieces for detecting the positions of welding areas of the strut members, the detection pieces comprise a turnover electric cylinder rotatably arranged on the side surface of the connecting seat, an end face contact rod is slidably arranged on a telescopic rod of the turnover electric cylinder, and a first pressure sensor is arranged, the first pressure sensor is in contact with the welding areas through the end face contact rod, and the first pressure sensor outputs the pressure value of a feedback end face contact rod; the connecting frame is provided with a repairing piece for repairing the welding area of the supporting rod piece, the repairing piece comprises a repairing wheel rotatably arranged on the connecting frame, and the repairing wheel performs repairing operation along the surface of the welding area; the base is also provided with a position detection piece for detecting the position of a welding hole position on the main rod piece; the position detection part comprises a hole position detection electric cylinder arranged on the base, a detection seat is arranged on a telescopic rod of the hole position detection electric cylinder in a sliding manner, a hole position contact rod is arranged on the detection seat in a sliding manner, and a second pressure sensor extends to the inner side of a welding hole position through the hole position contact rod and is contacted with the inner side of the welding hole position, and the second pressure sensor outputs a pressed value of the feedback hole position contact rod; the welding pieces are arranged on the top plate and are used for welding the main rod piece and the support rod piece in different directions.
Further, the clamping turnover piece comprises a mounting seat arranged on the base, a clamping screw rod is rotatably arranged on the mounting seat, and a clamping screw rod motor is fixedly arranged on the mounting seat and used for driving the clamping screw rod; the clamping plate is slidably arranged on the mounting seat, the clamping plate and the clamping screw rod form a screw pair, and the clamping plate is provided with a control electric cylinder.
Further, a control frame is arranged on the telescopic rod of the control electric cylinder, a second adjusting motor is fixedly arranged on the control frame, an angle wheel II is rotatably arranged on the control frame, and the second adjusting motor is used for driving the angle wheel II.
Further, a supporting seat is fixedly arranged on the mounting seat, and balls are arranged on the inner side of the supporting seat so as to support the main rod piece.
Further, the position detecting piece comprises a second spring sleeved on the detecting seat and used for providing elasticity, a third spring is connected between the hole position contact rod and the side face of the detecting seat, when the hole position contact rod is pressed, the third spring changes, and the second pressure sensor outputs and feeds back the change of the third spring.
Further, the repairing piece comprises a circumferential motor fixedly arranged on the connecting frame, the output shaft of the circumferential motor is connected with a repairing frame, the repairing wheel is rotatably arranged on the repairing frame, one end of the repairing frame is provided with a repairing motor, and the repairing motor is used for driving the repairing wheel.
Further, the transposition butt joint piece comprises a transposition motor arranged on the base, an output shaft of the transposition motor is connected with a transposition gear, and the transposition gear and the inner side of the transposition gear ring form a gear pair; the radial motor is fixedly arranged on the connecting seat, the radial screw rod is rotatably arranged on the connecting seat, the radial motor is used for driving the radial screw rod, and the clamping piece is driven by the radial screw rod.
Further, the clamping piece comprises a radial sliding seat which is slidably mounted on the connecting seat, the radial sliding seat and the radial screw rod form a screw pair, a clamping ring is connected to the radial sliding seat, a clamping electric cylinder is arranged on the circumference of the clamping ring, a clamping frame is connected to a telescopic rod of the clamping electric cylinder, an adjusting motor I is fixedly arranged on the clamping frame, an angle wheel I is rotatably mounted on the clamping frame, and the adjusting motor I is used for driving the angle wheel I.
Further, the detection piece comprises a detection overturning motor arranged at the bottom end of the connecting seat, an output shaft of the detection overturning motor is connected with an overturning gear, one end of the overturning electric cylinder is provided with a connecting gear, and the connecting gear and the overturning gear form a gear pair; a first spring is connected between the end face contact rod and the telescopic rod of the overturning electric cylinder, when the end face contact rod is pressed, the elastic force of the first spring changes, and the elastic force of the first spring is fed back through the output of the first pressure sensor.
Further, the welding piece comprises a welding position motor arranged on the top plate and a welding position disc rotatably arranged on the top plate, and the welding position motor is used for driving the welding position disc; a radial position electric cylinder is arranged on the welding position disc, a lifting electric cylinder is connected to a telescopic rod of the radial position electric cylinder, a lifting seat is arranged on a telescopic rod of the lifting electric cylinder, two ends of the lifting seat are respectively provided with a butt joint electric cylinder, a butt joint ring is connected to the telescopic rod of the butt joint electric cylinder, a butt joint toothed ring is rotatably arranged on the butt joint ring, and the two butt joint rings and the two butt joint toothed rings are butted to form a complete ring; a welding gun is rotatably arranged on one of the butt joint toothed rings, and a welding angle motor is fixedly arranged on the welding toothed ring and used for driving the welding gun so as to adjust welding points; one of the butt joint rings is provided with a rotating motor, an output shaft of the rotating motor is connected with a rotating gear, and the rotating gear and the butt joint toothed ring form a gear pair.
Compared with the prior art, the invention has the beneficial effects that: (1) In the invention, for accurate butt joint, when the position of a welding hole position on a main rod piece is detected, a hole position detection electric cylinder controls a detection seat to move and enables a hole position contact rod to contact the surface of the main rod piece, the main rod piece is controlled to rotate, when the welding hole position meets the hole position contact rod, the hole position contact rod extends to the welding hole position for internal measurement, the main rod piece is controlled to rotate positively and negatively, two inner sides of the welding hole position are prevented from being respectively contacted with the hole position contact rod, so that the hole position contact rod is pressed, the elastic force value of a feedback spring III is output through a pressure sensor II, the rotation angle of the main rod piece is combined, the angle orientation of the welding hole position is analyzed, then the main rod piece is controlled to rotate to correct the position of the welding hole position, and finally the welding hole position is rotated to the orientation of the support rod piece for butt joint; (2) In the invention, in order to ensure accurate butt joint, the welding area of the support rod piece is subjected to position detection, namely, the turnover motor is detected to work, the turnover motor rotates under the transmission of a gear, the turnover motor controls the extension position of the telescopic rod to enable the end face contact rod to be in contact with the welding area of the support rod piece, then the support rod piece is controlled to rotate, the welding area rotates and is continuously in contact with the end face contact rod, the end face contact rod is pressed, the elasticity of a spring changes, the elasticity of a first output feedback spring of a pressure sensor changes, the rotation angle of the support rod piece is combined, the angle orientation of the welding area is calculated and analyzed, and then the angle of the welding area is corrected; (3) According to the invention, the repairing wheel moves along the welding area so as to repair the wall surface of the welding area, thereby ensuring the welding quality; the invention can not only carry out butt joint and welding in the circumferential direction, but also carry out butt joint and welding of the end surfaces.
Drawings
FIG. 1 is a schematic diagram of the overall structure of the present invention.
FIG. 2 is a schematic view of a indexing interface of the present invention.
FIG. 3 is a schematic view of a test element according to the present invention.
FIG. 4 is a schematic view of the installation of the position sensing member, the clamping turnover member and the repair member of the present invention.
Fig. 5 is a schematic view of a weldment of the present invention.
Fig. 6 is a schematic view showing a partial structure of a weldment according to the present invention.
FIG. 7 is a schematic view of a mating ring gear of the present invention.
Reference numerals: 1-a base; 2-connecting frames; 3-top plate; 4-welding position motor; 5-transposition gear ring; 6-transposition motor; 7-a transposition gear; 8-radial motor; 9-radial screw rods; 10-connecting seats; 11-radial slide; 12-clamping ring; 13-adjusting a first motor; 14-clamping frames; 15-clamping an electric cylinder; 16-angle wheel one; 17-detecting a turnover motor; 18-turning gears; 19-connecting gears; 20-turning over an electric cylinder; 21-end face contact lever; 22-spring one; 23-repairing the wheel; 24-repairing the motor; 25-repairing a frame; 26-a circumferential motor; 27-a hole site detection electric cylinder; 28-spring II; 29-a detection seat; 30-hole site contact bars; 31-spring III; 32-mounting seats; 33-clamping plates; 34-controlling the electric cylinder; 35-a control rack; 36-adjusting a second motor; 37-second angle wheel; 38-clamping a screw motor; 39-clamping a screw rod; 40-supporting seats; 41-welding a position plate; 42-lifting electric cylinders; 43-radial position cylinder; 44-lifting seat; 45-butting an electric cylinder; 46-welding angle motor; 47-welding gun; 48-rotating the gear; 49-a rotary motor; 50-butting ring; 51-abutting the toothed ring.
Detailed Description
The invention is described in detail below with reference to the attached drawings: as shown in fig. 1 to 7, a top plate 3 is fixedly connected to a base 1 through a connecting frame 2, and two clamping turnover pieces are arranged on the base 1 and used for clamping and fixing a main rod piece and adjusting the angle of the main rod piece; the clamping turnover piece comprises a mounting seat 32 arranged on the base 1, a clamping screw rod 39 is rotatably arranged on the mounting seat 32, a clamping screw rod motor 38 is fixedly arranged on the mounting seat, and the clamping screw rod motor 38 is used for driving the clamping screw rod 39; a clamping plate 33 is slidably arranged on the mounting seat 32, the clamping plate 33 and a clamping screw rod 39 form a screw pair, and a control electric cylinder 34 is arranged on the clamping plate 33; a control frame 35 is arranged on the telescopic rod of the control electric cylinder 34, a second adjusting motor 36 is fixedly arranged on the control frame 35, a second angle wheel 37 is rotatably arranged on the control frame, and the second adjusting motor 36 is used for driving the second angle wheel 37; the mounting base 32 is fixedly provided with a supporting base 40, and the inner side of the supporting base 40 is provided with balls for supporting the main rod piece.
A transposition butt joint part is rotatably arranged on the base 1 and used for clamping and fixing the support rod piece and adjusting the butt joint direction of the support rod piece; the transposition butt joint part comprises a transposition gear ring 5 rotatably arranged on the base 1, a connecting seat 10 is connected to the transposition gear ring 5, and a clamping part is radially and slidably arranged on the connecting seat 10 and used for clamping the support rod part and adjusting the angle of the support rod part; the transposition butt joint part comprises a transposition motor 6 arranged on the base 1, an output shaft of the transposition motor 6 is connected with a transposition gear 7, and the transposition gear 7 and the inner side of the transposition gear ring 5 form a gear pair; a radial motor 8 is fixedly arranged on the connecting seat 10, a radial screw rod 9 is rotatably arranged on the connecting seat, the radial motor 8 is used for driving the radial screw rod 9, and the clamping piece is driven by the radial screw rod 9; the clamping piece comprises a radial sliding seat 11 which is slidably mounted on a connecting seat 10, the radial sliding seat 11 and a radial screw rod 9 form a screw pair, a clamping ring 12 is connected to the radial sliding seat 11, a clamping electric cylinder 15 is arranged on the circumference of the clamping ring 12, a clamping frame 14 is connected to a telescopic rod of the clamping electric cylinder 15, an adjusting motor I13 is fixedly arranged on the clamping frame 14, an angle wheel I16 is rotatably mounted, and the adjusting motor I13 is used for driving the angle wheel I16.
The two sides of the connecting seat 10 are provided with detection pieces for detecting the positions of welding areas of the strut members, the detection pieces comprise a turnover electric cylinder 20 rotatably arranged on the side surface of the connecting seat 10, an end face contact rod 21 is slidably arranged on a telescopic rod of the turnover electric cylinder 20, and a first pressure sensor is arranged, the first pressure sensor is in contact with the welding areas through the end face contact rod 21, and the first pressure sensor outputs a pressure value of the feedback end face contact rod 21; the detection piece comprises a detection overturning motor 17 arranged at the bottom end of the connecting seat 10, an output shaft of the detection overturning motor 17 is connected with an overturning gear 18, one end of an overturning electric cylinder 20 is provided with a connecting gear 19, and the connecting gear 19 and the overturning gear 18 form a gear pair; a first spring 22 is connected between the end face contact rod 21 and the telescopic rod of the overturning electric cylinder 20, when the end face contact rod 21 is pressed, the elasticity of the first spring 22 changes, and the elasticity change of the first spring 22 is fed back through the output of the first pressure sensor.
A repairing piece is arranged on the connecting frame 2 and used for repairing the welding area of the strut member, the repairing piece comprises a repairing wheel 23 rotatably arranged on the connecting frame 2, and the repairing wheel 23 performs repairing operation along the surface of the welding area; the repair piece comprises a circumferential motor 26 fixedly arranged on the connecting frame 2, a repair frame 25 is connected to an output shaft of the circumferential motor 26, the repair wheel 23 is rotatably arranged on the repair frame 25, one end of the repair frame 25 is provided with a repair motor 24, and the repair motor 24 is used for driving the repair wheel 23.
The base 1 is also provided with a position detection piece for detecting the position of a welding hole position on the main rod piece; the position detection part comprises a hole position detection electric cylinder 27 arranged on the base 1, a detection seat 29 is arranged on a telescopic rod of the hole position detection electric cylinder 27 in a sliding manner, a hole position contact rod 30 is arranged on the detection seat 29 in a sliding manner, and a second pressure sensor extends to the inner side of a welding hole position through the hole position contact rod 30 and outputs a pressure value of the feedback hole position contact rod 30 through contact with the inner side of the welding hole position; the position detecting member comprises a second spring 28 sleeved on the detecting seat 29 and used for providing elasticity, a third spring 31 is connected between the hole position contact rod 30 and the side surface of the detecting seat 29, when the hole position contact rod 30 is pressed, the elasticity of the third spring 31 changes, and the second pressure sensor outputs and feeds back the elasticity change of the third spring 31.
A welding piece is arranged on the top plate 3 and is used for welding the main rod piece and the support rod piece in different directions; the weldment includes a welding position motor 4 provided on the top plate 3, and a welding position disk 41 rotatably mounted on the top plate 3, the welding position motor 4 being for driving the welding position disk 41; a radial position electric cylinder 43 is arranged on the welding position disc 41, a lifting electric cylinder 42 is connected to a telescopic rod of the radial position electric cylinder 43, a lifting seat 44 is arranged on the telescopic rod of the lifting electric cylinder 42, two ends of the lifting seat 44 are respectively provided with a butt joint electric cylinder 45, a butt joint ring 50 is connected to the telescopic rod of the butt joint electric cylinder 45, a butt joint toothed ring 51 is rotatably arranged on the butt joint ring 50, and the two butt joint rings 50 and the two butt joint toothed rings 51 are butted to form a complete ring; a welding gun 47 is rotatably arranged on one of the butt joint toothed rings 51, and a welding angle motor 46 is fixedly arranged, and the welding angle motor 46 is used for driving the welding gun 47 so as to adjust the welding point position; one of the docking rings 50 is provided with a rotary motor 49, the output shaft of the rotary motor 49 is connected with a rotary gear 48, and the rotary gear 48 and the docking toothed ring 51 form a gear pair.
Working principle: the main rod piece is positioned and installed on the supporting seat 40, and is supported by the ball on the supporting seat 40, so that the angle can be conveniently adjusted; the clamping screw rod motor 38 works, the clamping screw rod 39 rotates to enable the clamping plate 33 to move, the control cylinder 34 controls the control frame 35 to move, the second angle wheel 37 clamps and fixes the circumferential surface of the main rod piece, and the second angle wheel 37 is controlled to rotate by the adjusting motor 36 so as to adjust the angle of the main rod piece.
In order to accurately butt joint, when the position of a welding hole on a main rod piece is detected, a hole position detection electric cylinder 27 controls a detection seat 29 to move and enables a hole position contact rod 30 to contact the surface of the main rod piece, the main rod piece is controlled to rotate, when the welding hole position meets the hole position contact rod 30, the hole position contact rod 30 extends to the welding hole position for internal measurement, the main rod piece is controlled to rotate positively and negatively, two inner sides of the welding hole position are prevented from being respectively contacted with the hole position contact rod 30, the hole position contact rod 30 is pressed, the elastic force value of a feedback spring III 31 is output through a pressure sensor II, the rotation angle of the main rod piece is combined, the angle position of the welding hole position is analyzed, then the main rod piece is controlled to rotate to correct the position of the welding hole position, and finally the welding hole position is rotated to the position of the support rod piece for butt joint.
The support rod piece controls the clamping frame 14 to move through the clamping electric cylinder 15, the clamping is carried out by the angle wheel I16, and the adjusting motor I13 controls the angle wheel I16 to rotate so as to adjust the angle of the support rod piece; in order to ensure accurate butt joint, position detection is performed on the welding area of the strut member, namely, by detecting the working of the turnover motor 17, under the gear transmission, the turnover electric cylinder 20 rotates, and the turnover electric cylinder 20 controls the extending position of the telescopic rod, so that the end face contact rod 21 contacts with the welding area of the strut member, then the strut member is controlled to rotate, the welding area rotates and continuously contacts with the end face contact rod 21, the end face contact rod 21 is pressed, the elasticity of the first spring 22 changes, the first output of the pressure sensor feeds back the elasticity of the first spring 22 changes, the angle orientation of the welding area is calculated and analyzed in combination with the rotation angle of the strut member, and then the angle of the welding area is corrected.
Through transposition motor 6 work, under gear drive, transposition ring gear 5 rotates, and branch spare shifts the position that branch restoration was located, moves along the welding area through repairing wheel 23 to repair the wall of welding area, guarantee welding quality.
The support rod piece is transferred to the welding hole position of the main rod piece, the radial motor 8 works, the radial screw rod 9 rotates to enable the radial sliding seat 11 to slide, and then the support rod piece is driven to move radially, so that butt joint is realized; the welding position motor 4 controls the welding position disc 41 to rotate, the radial position electric cylinder 43 controls the radial position of the lifting electric cylinder 42, and the lifting electric cylinder 42 controls the heights of the butt joint ring 50 and the butt joint toothed ring 51 so as to adjust the welding position; during welding, the butt joint electric cylinder 45 controls the butt joint rings 50 to move, the two butt joint toothed rings 51 and the two butt joint rings 50 are butted into a ring shape to surround a welding area, the welding area is surrounded, the welding area works through the rotating motor 49, the butt joint toothed rings 51 rotate under the transmission of a gear, and the welding angle motor 46 controls the welding gun 47 to adjust the welding point position so as to perform omnibearing welding; in this embodiment, not only the circumferential butt joint and the welding but also the butt joint and the welding of the end face can be performed.
Claims (1)
1. The welding device for machining the cylindrical mechanical parts comprises a base (1), wherein a top plate (3) is fixedly connected to the base (1) through a connecting frame (2); two clamping turnover pieces are arranged on the base (1) and used for clamping and fixing the main rod piece and adjusting the angle of the main rod piece; the method is characterized in that: a transposition butt joint part is rotatably arranged on the base (1) and used for clamping and fixing the support rod piece and adjusting the butt joint position of the support rod piece; the transposition butt joint part comprises a transposition gear ring (5) rotatably arranged on the base (1), a connecting seat (10) is connected to the transposition gear ring (5), and a clamping part is radially and slidably arranged on the connecting seat (10) and used for clamping the support rod piece and adjusting the angle of the support rod piece; the two sides of the connecting seat (10) are provided with detection pieces for detecting the positions of welding areas of the strut members, the detection pieces comprise a turnover electric cylinder (20) rotatably arranged on the side face of the connecting seat (10), an end face contact rod (21) is slidably arranged on a telescopic rod of the turnover electric cylinder (20), and a first pressure sensor is arranged, the first pressure sensor is in contact with the welding areas through the end face contact rod (21), and the first pressure sensor outputs a pressed value of the feedback end face contact rod (21); the connecting frame (2) is provided with a repairing piece for repairing the welding area of the strut member, the repairing piece comprises a repairing wheel (23) rotatably arranged on the connecting frame (2), and the repairing wheel (23) performs repairing operation along the surface of the welding area; the base (1) is also provided with a position detection piece for detecting the position of a welding hole position on the main rod piece; the position detection part comprises a hole position detection electric cylinder (27) arranged on the base (1), a detection seat (29) is arranged on a telescopic rod of the hole position detection electric cylinder (27) in a sliding manner, a hole position contact rod (30) is arranged on the detection seat (29) in a sliding manner, and a pressure sensor II extends to the inner side of a welding hole position through the hole position contact rod (30) and outputs a pressed value of the feedback hole position contact rod (30) through contact with the inner side of the welding hole position; a welding piece is arranged on the top plate (3) and is used for welding the main rod piece and the support rod piece in different directions;
The clamping turnover piece comprises a mounting seat (32) arranged on the base (1), a clamping screw rod (39) is rotatably arranged on the mounting seat (32), a clamping screw rod motor (38) is fixedly arranged on the mounting seat, and the clamping screw rod motor (38) is used for driving the clamping screw rod (39); a clamping plate (33) is slidably arranged on the mounting seat (32), the clamping plate (33) and a clamping screw rod (39) form a screw pair, and a control electric cylinder (34) is arranged on the clamping plate (33);
A control frame (35) is arranged on the telescopic rod of the control electric cylinder (34), a second adjusting motor (36) is fixedly arranged on the control frame (35), a second angle wheel (37) is rotatably arranged on the control frame, and the second adjusting motor (36) is used for driving the second angle wheel (37);
A supporting seat (40) is fixedly arranged on the mounting seat (32), and balls are arranged on the inner side of the supporting seat (40) so as to support the main rod piece;
The position detection part comprises a second spring (28) sleeved on the detection seat (29) and used for providing elasticity, a third spring (31) is connected between the hole position contact rod (30) and the side surface of the detection seat (29), when the hole position contact rod (30) is pressed, the elasticity of the third spring (31) changes, and the second pressure sensor outputs the elasticity change of the feedback third spring (31);
The repairing piece comprises a circumferential motor (26) fixedly arranged on the connecting frame (2), a repairing frame (25) is connected to an output shaft of the circumferential motor (26), the repairing wheel (23) is rotatably arranged on the repairing frame (25), one end of the repairing frame (25) is provided with a repairing motor (24), and the repairing motor (24) is used for driving the repairing wheel (23);
The transposition butt joint part comprises a transposition motor (6) arranged on the base (1), an output shaft of the transposition motor (6) is connected with a transposition gear (7), and the transposition gear (7) and the inner side of the transposition gear ring (5) form a gear pair; a radial motor (8) is fixedly arranged on the connecting seat (10), a radial screw rod (9) is rotatably arranged on the connecting seat, the radial motor (8) is used for driving the radial screw rod (9), and the clamping piece is driven by the radial screw rod (9);
The clamping piece comprises a radial sliding seat (11) which is slidably arranged on a connecting seat (10), the radial sliding seat (11) and a radial screw rod (9) form a screw pair, a clamping ring (12) is connected to the radial sliding seat (11), a clamping electric cylinder (15) is arranged on the circumference of the clamping ring (12), a clamping frame (14) is connected to a telescopic rod of the clamping electric cylinder (15), an adjusting motor I (13) is fixedly arranged on the clamping frame (14), an angle wheel I (16) is rotatably arranged on the adjusting motor I (13), and the angle wheel I (16) is driven by the adjusting motor I (13);
The detection piece comprises a detection overturning motor (17) arranged at the bottom end of the connecting seat (10), an output shaft of the detection overturning motor (17) is connected with an overturning gear (18), one end of the overturning cylinder (20) is provided with a connecting gear (19), and the connecting gear (19) and the overturning gear (18) form a gear pair; a first spring (22) is connected between the end face contact rod (21) and the telescopic rod of the overturning electric cylinder (20), when the end face contact rod (21) is pressed, the elasticity of the first spring (22) changes, and the elasticity change of the first spring (22) is fed back through the output of the first pressure sensor;
the welding piece comprises a welding position motor (4) arranged on the top plate (3) and a welding position disc (41) rotatably arranged on the top plate (3), wherein the welding position motor (4) is used for driving the welding position disc (41); a radial position electric cylinder (43) is arranged on the welding position disc (41), a lifting electric cylinder (42) is connected to a telescopic rod of the radial position electric cylinder (43), lifting seats (44) are arranged on the telescopic rod of the lifting electric cylinder (42), butt joint electric cylinders (45) are respectively arranged at two ends of the lifting seats (44), a butt joint ring (50) is connected to the telescopic rod of the butt joint electric cylinder (45), a butt joint toothed ring (51) is rotatably arranged on the butt joint ring (50), and the two butt joint rings (50) and the two butt joint toothed rings (51) are butted to form a complete ring shape; a welding gun (47) is rotatably arranged on one of the butt joint toothed rings (51), and a welding angle motor (46) is fixedly arranged, and the welding angle motor (46) is used for driving the welding gun (47) so as to adjust a welding point position; one of the docking rings (50) is provided with a rotating motor (49), an output shaft of the rotating motor (49) is connected with a rotating gear (48), and the rotating gear (48) and the docking toothed ring (51) form a gear pair.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202311331836.5A CN117139974B (en) | 2023-10-16 | 2023-10-16 | Welding device for machining cylindrical mechanical parts |
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| CN202311331836.5A CN117139974B (en) | 2023-10-16 | 2023-10-16 | Welding device for machining cylindrical mechanical parts |
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| CN117139974B true CN117139974B (en) | 2024-05-17 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN117359199B (en) * | 2023-12-05 | 2024-02-09 | 江苏正泰不锈钢产业有限公司 | Multi-angle welding equipment and method for stainless steel pipes |
| CN117464263B (en) * | 2023-12-27 | 2024-02-23 | 河北宾宏石化设备有限公司 | Multidirectional metal steel pipe welding equipment |
| CN118112011B (en) * | 2024-04-23 | 2024-10-15 | 泰州华航精密铸造有限公司 | Automatic detection system for surface defects of precision casting part |
| CN118635794A (en) * | 2024-08-14 | 2024-09-13 | 江苏扬建钢构科技有限公司 | Fabricated steel structure manufacturing device |
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| CN217551558U (en) * | 2022-03-17 | 2022-10-11 | 山东亿佳美暖通设备有限公司 | Clamping and fixing device for welding processing of heat exchanger |
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| CN116734733A (en) * | 2023-06-13 | 2023-09-12 | 深圳市铼城科技有限公司 | 3D visual detection device and detection method based on high-speed camera |
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| CN1060929A (en) * | 1990-09-17 | 1992-05-06 | 株式会社日立制作所 | Its manufacture method of structure and equipment with canister of the person in charge and arm |
| CN217551558U (en) * | 2022-03-17 | 2022-10-11 | 山东亿佳美暖通设备有限公司 | Clamping and fixing device for welding processing of heat exchanger |
| CN116618897A (en) * | 2023-05-30 | 2023-08-22 | 江苏华电铁塔制造有限公司 | Steel pipe tower node assembly platform device |
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| CN117139974A (en) | 2023-12-01 |
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