CN109955016B - Five-blade unevenly distributed drill bit steel core welding workstation for oil field and use method - Google Patents
Five-blade unevenly distributed drill bit steel core welding workstation for oil field and use method Download PDFInfo
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- CN109955016B CN109955016B CN201910246036.0A CN201910246036A CN109955016B CN 109955016 B CN109955016 B CN 109955016B CN 201910246036 A CN201910246036 A CN 201910246036A CN 109955016 B CN109955016 B CN 109955016B
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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
- B23K37/02—Carriages for supporting the welding or cutting element
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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
-
- 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
- B23K37/0426—Fixtures for other work
- B23K37/0435—Clamps
- B23K37/0443—Jigs
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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
Abstract
The invention belongs to the technical field of oil field drill bit manufacturing equipment, and relates to a welding workstation for a five-blade unevenly distributed drill bit steel core for an oil field and a using method thereof. The piston rod of the telescopic cylinder extends out of the telescopic cylinder body, and the first sensor and the second sensor are close to the outer cylindrical surface and/or the mounting groove of the drill shank. The hydraulic chuck and the drill shank rotate, and the first sensor and the second sensor detect at the same time; when the first mounting groove is located in the detection area of the first sensor, the fifth mounting groove is just located in the detection area of the second sensor, and the two sensors can detect that no steel exists in the two detection areas; when the drill shank is rotated to other positions, neither sensor can detect both detection areas while there is no steel. And manually installing the blade on the installation groove of the drill handle, and performing spot welding and continuous welding by using a welding robot. The intelligent welding control system has the advantages of intelligent welding control, stable and guaranteed welding quality, small randomness, good welding continuity, no need of frequent welding interruption, low rejection rate and low labor intensity of workers.
Description
Technical Field
The invention belongs to the technical field of oil field drill bit manufacturing equipment, relates to manufacturing equipment of a drill bit steel core, and particularly relates to a five-blade unevenly distributed drill bit steel core welding workstation for an oil field and a using method thereof.
Background
The five-blade non-distributed drill bit steel core is a semi-finished product for manufacturing the oilfield drill bit and comprises a drill handle 10 and five blades, wherein the five blades are a blade I161, a blade II 162, a blade III 163, a blade IV 164 and a blade V165 respectively; the drill handle 10 is a hollow cylindrical revolving body which is made of steel and processed on a lathe, five mounting grooves are formed in the upper end of the revolving body along the circumferential edge, and a mounting groove I11, a mounting groove II 12, a mounting groove III 13, a mounting groove IV 14 and a mounting groove V15 are sequentially arranged in the anticlockwise direction from top to bottom; the five mounting grooves are arrayed around the axial lead of the drill handle 10 and are not uniformly distributed, an included angle 1A between a connecting line of a first mounting groove 11 and the center of the drill handle 10 and a connecting line of a fifth mounting groove 15 and the center of the drill handle 10 is 86 degrees, an included angle 1B between a connecting line of the first mounting groove 11 and the center of the drill handle 10 and a connecting line of a second mounting groove 12 and the center of the drill handle 10 is 70 degrees, an included angle 1C between a connecting line of the second mounting groove 12 and the center of the drill handle 10 and a connecting line of a third mounting groove 13 and the center of the drill handle 10 is 66 degrees, an included angle 1D between a connecting line of the third mounting groove 13 and the center of the drill handle 10 and a connecting line of a fourth mounting groove 14 and the center of the drill handle 10 and a connecting line of the fifth mounting groove 15 and the center of the drill handle 10 is 68 degrees. The groove widths of the five mounting grooves are all 30 mm. The slot is also arranged between every two adjacent mounting grooves, the total number of the slots is five, the slot I1F is positioned between the mounting groove I15 and the mounting groove I11, and the slot I1G, the slot III 1H, the slot IV 1J and the slot V1K are sequentially arranged in the anticlockwise direction when viewed from top to bottom. The width of the slot is small, only 2 mm wide. The blade is provided with a transverse attachment surface 171 and a longitudinal attachment surface 172 which are perpendicular to each other, the transverse attachment surface 171 is attached to the bottom of the mounting groove, the longitudinal attachment surface 172 is attached to the outer cylindrical surface of the drill shank 10, and the blade and the drill shank 10 are continuously welded and subjected to surfacing welding. The first blade 161, the second blade 162, the third blade 163, the fourth blade 164 and the fifth blade 165 are welded in the first mounting groove 11, the second mounting groove 12, the third mounting groove 13, the fourth mounting groove 14 and the fifth mounting groove 15 respectively.
The traditional welding process of the drill steel core is manually finished, the blades are placed in corresponding mounting grooves, spot welding is carried out firstly, then the two sides of the blades are intermittently welded, and after the two blades are firmly connected together, high-current surfacing is carried out. The welding process is very demanding and there must not be any welding defects inside, otherwise the oil production company suffers a very large economic loss if the drill steel core is damaged in the ground of hundreds or thousands of meters.
Because manual welding's randomness is great, the workman has tired the needs rest, need eat and drink and scatter, inevitably need to break off the welding in the middle of this, then restart again, workman's quality is also all different, hardly guarantees the quality of product like this, and the rejection rate is higher.
Disclosure of Invention
The invention aims to overcome the defects in the prior art and provides a welding workstation for a five-blade unevenly distributed drill bit steel core for an oil field, which has good welding continuity and relatively stable welding quality, and a use method thereof.
The invention is realized by the following technical scheme:
a welding workstation for a five-blade unevenly distributed drill steel core for an oil field comprises a welding robot, a turnover assembly and a base assembly; the welding robot is fixedly connected with the floor;
the base assembly comprises a base, a driven gear II, a driving gear II and a servo motor and speed reducer combination II; the base is fixedly connected with the floor; a shell flange of a second combination of the servo motor and the speed reducer is fixedly connected with a base, a second driving gear is fixedly connected with an output shaft of the second combination of the servo motor and the speed reducer, a second driven gear is connected with the base through a revolute pair, the second driven gear is meshed with the second driving gear, and the central line of the second driven gear is horizontal;
the overturning assembly comprises an overturning bracket, a hydraulic chuck, a telescopic cylinder, a sensor assembly, a first driven gear, a first driving gear and a first combination of a servo motor and a speed reducer; the turning support is fixedly connected with the driven gear II, the driven gear I is connected with the turning support through a revolute pair, the hydraulic chuck is fixedly connected with the driven gear I, the axial leads of the hydraulic chuck and the driven gear I are overlapped, and the axial lead of the hydraulic chuck or the axial lead of the driven gear I is perpendicular to the central line of the driven gear II; three hydraulic clamping jaws capable of advancing and retreating synchronously are arranged on the hydraulic chuck; a shell flange of a first combination of the servo motor and the speed reducer is fixedly connected with the overturning bracket, a first driving gear is fixedly connected with an output shaft of a first combination of the servo motor and the speed reducer, and a first driven gear is meshed with the first driving gear; the sensor assembly comprises a sensor support plate and two sensors, wherein the two sensors are a first sensor and a second sensor respectively, and the two sensors are fixedly connected with the sensor support plate respectively; the telescopic cylinder is a cylinder with a guide rod, the telescopic cylinder comprises a telescopic cylinder body and a telescopic cylinder piston rod, the telescopic cylinder body is fixedly connected with the overturning bracket, the sensor support plate is fixedly connected with the tail end of the telescopic cylinder piston rod, and the telescopic cylinder piston rod does piston motion relative to the telescopic cylinder body; when the piston rod of the telescopic cylinder completely extends out of the telescopic cylinder body, the first sensor and the second sensor detect the outer cylindrical surface and/or the mounting groove of the drill shank at the same time, and the included angle between the connecting line of the first sensor and the center of the drill shank and the connecting line of the second sensor and the center of the drill shank is equal to the included angle between the connecting line of the first mounting groove and the center of the drill shank and the connecting line of the fifth mounting groove and the center of the drill shank; when the piston rod of the telescopic cylinder is completely retracted into the telescopic cylinder body, the first sensor and the second sensor are far away from the drill handle and are in a state of suspending work.
The working process of the present invention is as follows.
0) An initial state. The welding robot is in a safe position; the piston rod of the telescopic cylinder is completely retracted into the telescopic cylinder body, and the first sensor and the second sensor are far away from the drill shank and are in a suspended working state; the hydraulic chuck faces upwards.
1) The drill handle is placed in the opened hydraulic clamping jaw holding space, one end of the drill handle, which is provided with the mounting groove, faces upwards, and then the hydraulic chuck is used for clamping the drill handle.
2) Compressed air is introduced into the telescopic cylinder, and a piston rod of the telescopic cylinder extends out of the telescopic cylinder body completely to drive the first sensor and the second sensor to be close to the outer cylindrical surface and/or the mounting groove of the drill shank. The width of the mounting groove is 30 millimeters, the effective detection width of the sensor is 26-30 millimeters, when the detection area of the sensor has steel, one signal can be detected, when the detection area of the sensor does not have steel, the other signal can be detected, when the area of the drill shank with the slot is in the detection area of the sensor, the slot is omitted due to the fact that the slot is only 2 millimeters wide and small in size, and the detected signal is that the detection area has steel.
3) The combination I of the servo motor and the speed reducer rotates, the hydraulic chuck and the drill shank are driven to rotate through the combination of the driven gear I and the driving gear I, and meanwhile the sensor I and the sensor II detect.
The drill handle rotates to a certain specific position, when the first installation groove is located in the detection area of the first sensor, the fifth installation groove is just located in the detection area of the second sensor, and the two sensors can detect that no steel exists in the two detection areas.
When the drill handle rotates to any other position, the two sensors cannot detect that the two detection areas have no steel at the same time, or both the two sensors detect that the detection areas have steel, or one of the detection areas has steel and the other detection area has no steel.
The angular position of the two sensors detecting the detection area without steel is taken as a reference position, the positions of the five positioning grooves are uniquely determined, and the information is recorded in the electronic control system.
4) Compressed air is reversely introduced into the telescopic cylinder, a piston rod of the telescopic cylinder is completely retracted into the telescopic cylinder body, the first sensor and the second sensor are driven to be away from the drill shank, and the first sensor and the second sensor are in a state of suspending operation.
5) And manually installing the first blade on the first installation groove of the drill shank to ensure that the transverse binding surface is attached to the groove bottom of the first installation groove, and the longitudinal binding surface is attached to the outer cylindrical surface of the drill shank.
6) And starting the welding robot, and performing spot welding between the first blade and the drill handle by at least three welding spots. Since the position of the first mounting groove is recorded in the electric control system, the welding robot can find the position and weld smoothly.
7) And repeating the steps 5) to 6), and sequentially placing the second blade, the third blade, the fourth blade and the fifth blade in the second mounting groove, the third mounting groove, the fourth mounting groove and the fifth mounting groove respectively and performing spot welding by using a welding robot.
8) And starting a second combination of the servo motor and the speed reducer, and driving the overturning assembly to overturn rightwards by 90 degrees through a second combination of the driven gear and the second driving gear. And starting a first combination of the servo motor and the speed reducer, and driving the hydraulic chuck and the drill steel core to rotate through a first combination of the driven gear and the driving gear. And the combination II of the servo motor and the speed reducer and the combination I of the servo motor and the speed reducer move in a coordinated manner, so that the welding seam to be welded is in a posture which is most beneficial to welding, such as a ship-shaped welding seam, and then the welding robot is started to continuously weld and build up weld. Because the servo motor is in numerical control and intelligent control, the position of each welding line is recorded in the electric control system, and all welding can be smoothly finished.
9) And cooling after welding is finished, then starting a second combination of the servo motor and the speed reducer to enable the drill steel core to face upwards, loosening the hydraulic clamping jaw, hoisting and carrying the drill steel core away, and finishing the welding at one time.
The invention has the beneficial effects that: the intelligent control welding has the advantages that the welding quality is stable and guaranteed as long as the program is properly programmed, the randomness is small, the welding continuity is good, the welding does not need to be interrupted frequently, the rejection rate is low, and the labor intensity of workers is low.
Drawings
FIG. 1 is a schematic three-dimensional structure of a drill bit steel core 1;
FIG. 2 is a schematic three-dimensional view of the drill shank 10;
FIG. 3 is a top view of the drill shank 10;
FIG. 4 is a schematic three-dimensional structure of blade one 161;
FIG. 5 is a schematic three-dimensional structure of an embodiment of the present invention;
FIG. 6 is a front view of an embodiment of the present invention;
FIG. 7 is a view of the portion A of FIG. 6, in which the first installation slot 11 is located in the detection area of the first sensor 241, and the fifth installation slot 15 is located in the detection area of the second sensor 242;
fig. 8 is a partial view of a cylinder in fig. 6, in which a piston rod of a telescopic cylinder is retracted into a telescopic cylinder body to drive a first sensor and a second sensor to be away from a drill shank, and the first sensor and the second sensor are in a state of suspending operation.
FIG. 9 is a front view of the combination of the invert assembly 2 and base assembly 3;
fig. 10 is a schematic three-dimensional structure of a combination of the flip assembly 2 and the base assembly 3, the flip assembly being flipped 90 degrees to the right;
FIG. 11 is a schematic three-dimensional view of the flip assembly 2 from a first perspective;
fig. 12 is a schematic three-dimensional structure of the flip assembly 2 from a second perspective;
FIG. 13 is a schematic three-dimensional view of the combination of the telescopic cylinder 23 and the sensor assembly 24;
fig. 14 is a schematic three-dimensional structure of the base member 3;
shown in the figure: 1. a drill steel core;
10. a drill shank;
11. a first mounting groove; 12. a second mounting groove; 13. a third mounting groove; 14. a fourth mounting groove; 15. mounting a groove V;
1A, an included angle is formed between a connecting line of a first mounting groove 11 and the center of the drill shank 10 and a connecting line of a fifth mounting groove 15 and the center of the drill shank 10;
1B, an included angle is formed between a connecting line of the first mounting groove 11 and the center of the drill handle 10 and a connecting line of the second mounting groove 12 and the center of the drill handle 10;
1C, an included angle is formed between a connecting line of the mounting groove II 12 and the center of the drill handle 10 and a connecting line of the mounting groove III 13 and the center of the drill handle 10;
1D, an included angle is formed between a connecting line of the third mounting groove 13 and the center of the drill shank 10 and a connecting line of the fourth mounting groove 14 and the center of the drill shank 10;
1E, an included angle is formed between a connecting line of the fourth mounting groove 14 and the center of the drill shank 10 and a connecting line of the fifth mounting groove 15 and the center of the drill shank 10;
1A is 86 degrees; 1B ═ 70 degrees; 1C-66 degrees; 1D ═ 68 degrees; 1E ═ 70 degrees;
1F, a slot I; 1G, slot II; 1h, slot three; 1J, slot four; slot five;
161. a first blade; 162. a second blade; 163. a third blade; 164. a fourth blade; 165. a fifth blade;
171. a transverse binding face; 172. a longitudinal joint surface;
2. a turnover assembly; 21. turning over the bracket; 22. a hydraulic chuck; 221. a hydraulic jack catch; 23. a telescopic cylinder; 231. a telescopic cylinder block; 232. a telescopic cylinder piston rod; 24. a sensor assembly; 241. a first sensor; 242. a second sensor; 243. a sensor support plate; 25. a driven gear I; 26. driving a gear I; 27. a first combination of a servo motor and a speed reducer;
3. a base assembly; 31. a base; 32. a driven gear II; 33. driving a gear II; 34. a second combination of a servo motor and a speed reducer; r, when the telescopic cylinder piston rod 232 completely extends out of the telescopic cylinder body 231, an included angle is formed between a connecting line of the first sensor 241 and the center of the drill shank 10 and a connecting line of the second sensor 242 and the center of the drill shank 10;
4. a welding robot.
Detailed Description
The invention is further illustrated with reference to the following figures and examples:
example (b): see fig. 1-14.
A welding workstation for a five-blade unevenly distributed drill steel core for an oil field comprises a welding robot 4, a turnover assembly 2 and a base assembly 3;
the welding robot 4 is fixedly connected with the floor;
the base component 3 comprises a base 31, a driven gear II 32, a driving gear II 33 and a servo motor and speed reducer combined II 34; the base 31 is fixedly connected with the floor; the shell flange of the second combination 34 of the servo motor and the speed reducer is fixedly connected with the base 31, the second driving gear 33 is fixedly connected with the output shaft of the second combination 34 of the servo motor and the speed reducer, the second driven gear 32 is connected with the base 31 through a revolute pair, the second driven gear 32 is meshed with the second driving gear 33, and the central line of the second driven gear 32 is horizontal;
the overturning assembly 2 comprises an overturning bracket 21, a hydraulic chuck 22, a telescopic cylinder 23, a sensor assembly 24, a driven gear I25, a driving gear I26 and a servo motor and speed reducer combined I27; the overturning bracket 21 is fixedly connected with the driven gear II 32, the driven gear I25 is connected with the overturning bracket 21 through a revolute pair, the hydraulic chuck 22 is fixedly connected with the driven gear I25, the axial leads of the hydraulic chuck 22 and the driven gear I25 are overlapped, and the axial lead of the hydraulic chuck 22 or the axial lead of the driven gear I25 is vertical to the central line of the driven gear II 32; three hydraulic jaws 221 capable of synchronously moving forward and backward are arranged on the hydraulic chuck 22; a shell flange of a first combination 27 of the servo motor and the speed reducer is fixedly connected with the overturning bracket 21, a first driving gear 26 is fixedly connected with an output shaft of the first combination 27 of the servo motor and the speed reducer, and a first driven gear 25 is meshed with the first driving gear 26; the sensor assembly 24 comprises a sensor support plate 243 and two sensors, wherein the two sensors are a first sensor 241 and a second sensor 242 respectively, and the two sensors are fixedly connected with the sensor support plate 243 respectively; the telescopic cylinder 23 is a cylinder with a guide rod, the telescopic cylinder 23 comprises a telescopic cylinder body 231 and a telescopic cylinder piston rod 232, the telescopic cylinder body 231 is fixedly connected with the overturning bracket 21, the sensor support plate 243 is fixedly connected with the tail end of the telescopic cylinder piston rod 232, and the telescopic cylinder piston rod 232 performs piston motion relative to the telescopic cylinder body 231; when the telescopic cylinder piston rod 232 completely extends out of the telescopic cylinder body 231, the first sensor 241 and the second sensor 242 detect the outer cylindrical surface and/or the mounting groove of the drill shank 10, and an included angle R between a connecting line of the first sensor 241 and the center of the drill shank 10 and a connecting line of the second sensor 242 and the center of the drill shank 10 is equal to an included angle 1A between a connecting line of the first mounting groove 11 and the center of the drill shank 10 and a connecting line of the fifth mounting groove 15 and the center of the drill shank 10; when the telescopic cylinder piston rod 232 is fully retracted into the telescopic cylinder block 231, the first sensor 241 and the second sensor 242 are far away from the drill shank 10, and are in a pause state.
The working process of this embodiment is as follows.
0) An initial state. The welding robot is in a safe position; the telescopic cylinder piston rod 232 is completely retracted into the telescopic cylinder body 231, and the first sensor 241 and the second sensor 242 are far away from the drill shank 10 and are in a work pause state; the hydraulic chuck 22 is facing upwards.
1) The drill shank 10 is placed in the space enclosed by the open hydraulic jaws 221 with the end of the drill shank 10 having the mounting groove facing upwards, and the hydraulic chuck 22 is then brought to grip the drill shank 10.
2) Compressed air is introduced into the telescopic cylinder 23, the telescopic cylinder piston rod 232 extends out of the telescopic cylinder body 231 completely, and the first sensor 241 and the second sensor 242 detect the outer cylindrical surface and/or the mounting groove of the drill shank 10. The width of the mounting groove is 30 mm, the effective detection width of the sensor is 26-30 mm, one signal can be detected when the detection area of the sensor has steel, the other signal can be detected when the detection area of the sensor has no steel, when the area of the drill shank 10 with the slot is in the detection area of the sensor, the slot is omitted because the slot is only 2 mm wide and has small size, and the detected signal is that the detection area has steel.
3) The combination of the servo motor and the reducer, the first 27, rotates, and the combination of the driven gear, the first 25, and the driving gear, the first 26, drives the hydraulic chuck 22 and the drill shank 10 to rotate, while the first sensor 241 and the second sensor 242 detect.
When the drill shank 10 rotates to a certain position, when the first mounting groove 11 is located in the detection area of the first sensor 241, the fifth mounting groove 15 is just located in the detection area of the second sensor 242, and the two sensors can detect the two detection areas and simultaneously have no steel.
When the drill shank 10 is rotated to any other position, neither sensor can detect both detection areas simultaneously without steel, or both can detect steel in the detection areas, or one of the detection areas can detect steel and the other detection area does not have steel.
The angular position of the two sensors detecting the detection area without steel is taken as a reference position, the positions of the five positioning grooves are uniquely determined, and the information is recorded in the electronic control system.
4) The telescopic cylinder 23 is reversely filled with compressed air, the telescopic cylinder piston rod 232 is completely retracted into the telescopic cylinder body 231, and the first sensor 241 and the second sensor 242 are far away from the drill shank 10 and are in a state of suspending operation.
5) The first blade 161 is manually installed on the first installation groove 11 of the drill shank 10, so that the transverse attachment surface 171 is attached to the bottom of the first installation groove 11, and the longitudinal attachment surface 172 is attached to the outer cylindrical surface of the drill shank 10.
6) The welding robot 4 is started and spot welding is performed between the first blade 161 and the drill shank 10, at least three welding spots. Since the position of the mounting groove I11 is recorded in the electric control system, the welding robot 4 can find the position and weld smoothly.
7) Repeating the steps 5) to 6), and sequentially placing the second blade 162, the third blade 163, the fourth blade 164 and the fifth blade 165 in the second mounting groove 12, the third mounting groove 13, the fourth mounting groove 14 and the fifth mounting groove 15, respectively, and performing spot welding by the welding robot 4.
8) When the second combination 34 of the servo motor and the speed reducer is started, the second driven gear 32 and the second driving gear 33 are combined to drive the turnover assembly 2 to turn over 90 degrees rightwards, as shown in fig. 10. And starting a first combination 27 of the servo motor and the speed reducer, and driving the hydraulic chuck 22 and the drill steel core 1 to rotate through a combination of a first driven gear 25 and a first driving gear 26. The second combination of the servo motor and the speed reducer 34 and the first combination of the servo motor and the speed reducer 27 move in a coordinated mode, so that the welding seam to be welded is in a posture which is most beneficial to welding, such as a ship-shaped welding seam, and then the welding robot 4 is started to continuously weld and build up weld. Because the servo motor is in numerical control and intelligent control, the position of each welding line is recorded in the electric control system, and all welding can be smoothly finished.
9) And after welding, cooling, starting a second combination 34 of the servo motor and the speed reducer to enable the drill steel core 1 to face upwards, loosening the hydraulic clamping jaw 221, lifting and carrying the drill steel core 1 away, and finishing one-time welding.
The beneficial effects of this embodiment: the intelligent control welding has the advantages that the welding quality is stable and guaranteed as long as the program is properly programmed, the randomness is small, the welding continuity is good, the welding does not need to be interrupted frequently, the rejection rate is low, and the labor intensity of workers is low.
Claims (4)
1. A welding workstation for a five-blade unevenly distributed drill steel core for an oil field comprises a welding robot, a turnover assembly and a base assembly, wherein the welding robot is fixedly connected with a floor; the base assembly comprises a base, a driven gear II, a driving gear II and a servo motor and speed reducer combination II; the base is fixedly connected with the floor; a shell flange of a second combination of the servo motor and the speed reducer is fixedly connected with a base, a second driving gear is fixedly connected with an output shaft of the second combination of the servo motor and the speed reducer, a second driven gear is connected with the base through a revolute pair, the second driven gear is meshed with the second driving gear, and the central line of the second driven gear is horizontal;
the method is characterized in that: the overturning assembly comprises an overturning bracket, a hydraulic chuck, a telescopic cylinder, a sensor assembly, a first driven gear, a first driving gear and a first combination of a servo motor and a speed reducer; the turning support is fixedly connected with the driven gear II, the driven gear I is connected with the turning support through a revolute pair, the hydraulic chuck is fixedly connected with the driven gear I, the axial leads of the hydraulic chuck and the driven gear I are overlapped, and the axial lead of the hydraulic chuck or the axial lead of the driven gear I is perpendicular to the central line of the driven gear II; three hydraulic clamping jaws capable of advancing and retreating synchronously are arranged on the hydraulic chuck; a shell flange of a first combination of the servo motor and the speed reducer is fixedly connected with the overturning bracket, a first driving gear is fixedly connected with an output shaft of a first combination of the servo motor and the speed reducer, and a first driven gear is meshed with the first driving gear; the sensor assembly comprises a sensor support plate and two sensors, wherein the two sensors are a first sensor and a second sensor respectively, and the two sensors are fixedly connected with the sensor support plate respectively; the telescopic cylinder is a cylinder with a guide rod, the telescopic cylinder comprises a telescopic cylinder body and a telescopic cylinder piston rod, the telescopic cylinder body is fixedly connected with the overturning bracket, the sensor support plate is fixedly connected with the tail end of the telescopic cylinder piston rod, and the telescopic cylinder piston rod does piston motion relative to the telescopic cylinder body; when the piston rod of the telescopic cylinder completely extends out of the telescopic cylinder body, the first sensor and the second sensor detect the outer cylindrical surface and/or the mounting groove of the drill handle at the same time, and the included angle between the connecting line of the first sensor and the center of the drill handle and the connecting line of the second sensor and the center of the drill handle is equal to the included angle between the connecting line of the first mounting groove and the center of the drill handle and the connecting line of the fifth mounting groove and the center of the drill handle.
2. A method of using the welding station for the steel core of the five-bladed non-distributed type drill bit for oil fields according to claim 1, characterized in that it comprises the following detection steps:
the hydraulic chuck and the drill shank rotate, and the first sensor and the second sensor detect at the same time; the drill handle rotates to a certain specific position, when the first mounting groove is located in the detection area of the first sensor, the fifth mounting groove is just located in the detection area of the second sensor, and the two sensors can detect that no steel exists in the two detection areas at the same time; when the drill shank is rotated to any other position, neither sensor can detect both detection areas while there is no steel.
3. A method of using the welding station for the steel core of the five-bladed non-distributed drill bit for oilfield according to claim 2, characterized in that it comprises, before the step of detecting, the steps of: and a piston rod of the telescopic cylinder extends out of the telescopic cylinder body to drive the first sensor and the second sensor to be close to the outer cylindrical surface and/or the mounting groove of the drill shank.
4. A method of using the welding station for the steel core of the five-bladed non-distributed type drill bit for oilfield according to claim 2, characterized in that it comprises, after the detecting step, the steps of: and a piston rod of the telescopic cylinder retracts into the telescopic cylinder body to drive the first sensor and the second sensor to be away from the drill shank, and the first sensor and the second sensor are in a suspended working state.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910246036.0A CN109955016B (en) | 2019-03-29 | 2019-03-29 | Five-blade unevenly distributed drill bit steel core welding workstation for oil field and use method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910246036.0A CN109955016B (en) | 2019-03-29 | 2019-03-29 | Five-blade unevenly distributed drill bit steel core welding workstation for oil field and use method |
Publications (2)
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| JP2016062477A (en) * | 2014-09-19 | 2016-04-25 | 株式会社東芝 | Device and method for programming for welding |
| CN108326406B (en) * | 2018-02-09 | 2020-06-19 | 威海鹏飞自动化技术有限公司 | Semi-automatic welding equipment of explosion-proof lamp safety cover |
| CN108372263B (en) * | 2018-02-26 | 2019-04-26 | 新昌县知贝机械有限公司 | Rolling cage shoe rubber tire Reinforced Hoop process equipment |
| CN108526787A (en) * | 2018-04-22 | 2018-09-14 | 杜宗英 | The blade intelligence welding tooling of oil bit |
| CN108857164B (en) * | 2018-07-18 | 2020-01-21 | 佛山市广凡机器人有限公司 | Intelligent welding robot capable of walking, turning and crossing short wall |
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