CN108526787A

CN108526787A - The blade intelligence welding tooling of oil bit

Info

Publication number: CN108526787A
Application number: CN201810363938.8A
Authority: CN
Inventors: 不公告发明人
Original assignee: Individual
Current assignee: Individual
Priority date: 2018-04-22
Filing date: 2018-04-22
Publication date: 2018-09-14

Abstract

The invention belongs to oil bit manufacturing equipment technical fields, are related to a kind of blade intelligence welding tooling of oil bit.Three claws hold drillstock tightly, drillstock rotation is horizontal, central term pinnacle presses closer plane, welding robot welds V-butt, water hole goes to 45 degree of position, blade holds down assembly close to drillstock, place flat blade and helical blade, use active grab one, active grab two and active grab three compress blade, welding robot spot welding, pull open active grab one, active grab two and active grab three, blade, which holds down assembly, leaves drillstock and rounded cap, blade stops after being flipped up 90 degree, repeat above step, four flat blades and four helical blades are equably put and are welded on drillstock and rounded cap, then full weld, oil bit is flipped up, dismounting.Accurate positioning of the present invention, weld seam specification is unified, avoids weld defect, and work efficiency is high, easy to operate, and the training period is short, and health hazard is small, saves wage cost.

Description

The blade intelligence welding tooling of oil bit

Technical field

The invention belongs to oil bit manufacturing equipment technical fields, are related to a kind of blade intelligence Welder of oil bit Dress.

Background technology

Oil bit is the important tool of oil drilling, is the critical elements when exploiting oil for drilling through oil, The quality of working performance will directly affect drilling quality, drilling efficiency and drilling cost.

Oil bit is formed by drillstock, four flat blades, four helical blades and a rounded cap welding.Drillstock is empty Central, tubular has drillstock groove face on the periphery of wherein one end is stupefied, has rim of the mouth inner headed face on inner headed face is stupefied.Rounded cap is revolving body, Diametric size is larger, and the size in centre of gyration direction is smaller, and wherein center line one end is rounded cap outer conical surface, outside rounded cap There are one circular top planes for the apex of circular conical surface；The other end of rounded cap is equipped with rim of the mouth periphery and rounded cap groove, outside rim of the mouth Disc and the cooperation of rim of the mouth inner headed face, rounded cap groove form V-butt with drillstock groove face to together with, make V by continuously welding Shape groove fills up solder, and drillstock and rounded cap are fixed together；It is set in rounded cap outer conical surface there are four water hole, water hole divides Cloth is evenly distributed around the centre of gyration around the centre of gyration.Flat blade is the sheet of recessed hexagon, cambered inwards two sides point It is not inclined-plane and to face directly, and it is flat blade interface to face adjacent side directly.The direction of flat blade and the centerline parallel of drillstock, tiltedly Round fastening cap outer conical surface is leaned in face, faces the outer surface for being close to drillstock directly, adjacent surface continuously welds, however, it is noted that inclined-plane and weldering Seam not cover water hole centainly.Axial line equably circumference array of four flat blades around drillstock.Helical blade is helical form, By spiral center it is close be inner helical surface on one side, one end has helical blade interface, inner helical surface to surround the periphery of drillstock On, helical blade interface is close to flat blade interface, and adjacent edge continuously welds.Four helical blades are equal around the axial line of drillstock Even ground circumference array.

Oil bit processing wants secured it is critical that welding first, and the inside must not have weld defect, and otherwise, welding is not Leaf abscission securely is caused, the oil well bored is scrapped, and prodigious economic loss can be brought to manufacturer, secondly, flat blade Arrangement with helical blade is uniform, and otherwise drill bit is easy to bore curved, and the drilling well route of anticipation is deviateed in construction.

Traditional welding be completely by being accomplished manually, human weld it is difficult to ensure that blade angle precision, it is difficult to Ensure the consistency of weld seam specification, it is difficult to ensure that the weld seam of every bit is all intact, the especially welding of oil bit, the weldering needed It is many to connect filler, needs repeatedly built-up welding, generally requires by repeatedly nondestructive inspection and repair welding, working efficiency is relatively low, manually The deviation of welding is also larger, it is not easy to guarantee equably arrange, quality it is difficult to ensure that.Also, welder needs profession Training and a large amount of practice could be competent at the welding of oil bit, the wage of welder is also high very relative to common laborer It is more, bring higher wage cost to enterprise.With the development of society, people's health consciousness is more and more stronger, many people are reluctant It is engaged in electric welding work, it is harmful because the flue gas emerged of electric welding is by people's inspiration body, it is more and more tired to recruit advanced electric welder It is difficult.In addition, worker needs human-based management, worker that can only work daily eight hours, needs food and drink to draw during work and spread, so Whole efficiency is relatively low.

Invention content

In place of improving the deficiencies in the prior art, a kind of blade intelligence weldering of oil bit is provided Connect tooling.

The present invention is achieved through the following technical solutions：

A kind of blade intelligence welding tooling of oil bit, including chuck assembly, overturning drive component, rounded cap positioning component, Pushing component, blade hold down assembly and welding robot；

Chuck assembly includes group unification, driving gear one, pivoting support one, chuck holder and the hydraulic pressure of servo motor-speed reducer Chuck；Chuck holder includes two rectangular slabs, and one of rectangular slab is chuck holder flap, another rectangular slab is Chuck holder riser, chuck holder riser are vertically arranged, one of chuck holder flap while and at one of chuck holder riser It is fixedly connected；Pivoting support one includes supporting outer ring one and bearing inner ring one, and supporting outer ring one carries roller gear external tooth, bearing Inner ring one is fixedly connected with chuck holder flap；The housing flange and chuck holder flap of the group unification of servo motor-speed reducer It is fixedly connected, driving gear one is fixedly connected with the output shaft of the group unification of servo motor-speed reducer, drives gear one and bearing The outer tooth engagement of the gear of outer ring one；Oild chuck includes claw and chuck body, and chuck body is fixedly connected with supporting outer ring one, hydraulic pressure The axial line of chuck and the axial line of pivoting support one overlap；Three claws around oild chuck axial line uniform array, three Claw synchronizes the axial line close to or far from oild chuck；

Overturning drive component includes that the combination two of servo motor-speed reducer, driving gear two, pivoting support two and overturning driving are vertical Plate；Overturning driving riser is fixedly connected with rack；Pivoting support two includes supporting outer ring two and bearing inner ring two, supporting outer ring two With roller gear external tooth；Bearing inner ring two is fixedly connected with overturning driving riser, and chuck holder riser and supporting outer ring two are solid Fixed connection；The direction of axis line of pivoting support two is horizontal, the axial line of the axial line of pivoting support one perpendicular to pivoting support two； The housing flange of the combination two of servo motor-speed reducer is fixedly connected with overturning driving riser, drives gear two and servo motor- The output shaft of the combination two of speed reducer is fixedly connected, and drives gear two and the outer tooth engagement of the gear of supporting outer ring two；

Rounded cap positioning component includes that center holds out against top cylinder, sensor cylinder, center, sensor and rounded cap positioning riser；Circle Cap positioning riser is fixedly connected with rack；It includes central gas cylinder body and center cylinder piston rod that center, which holds out against cylinder,；Center cylinder Body and rounded cap positioning riser are fixedly connected, and it is top that the end of center cylinder piston rod is fixedly connected with center, center cylinder piston rod The direction for being oriented parallel to the top center line in center；The top center line in center is in the horizontal direction and perpendicular to revolution The axial line of the direction of axis line of bearing two, the top center line in center and pivoting support two has identical height, center top As center cylinder piston rod translates；Sensor cylinder includes sensor cylinder block and sensor cylinder piston rod, sensor gas Cylinder body is fixedly connected with rounded cap positioning riser, and the end of sensor cylinder piston rod is fixedly connected with sensor；

Pushing component includes pusher cylinder, sliding block and promotion holder；Pusher cylinder includes pusher cylinder body and pusher cylinder piston Bar, pusher cylinder body are fixedly connected with promotion holder, and sliding block is fixedly connected with promotion holder, and the glide direction of sliding block is parallel to back Turn the direction of the axial line of bearing two；Holder is pushed to be fixedly connected with rack；

Blade holds down assembly including active grab one, active grab two, active grab three, blade positioning table, the linear guide and spiral shell Blade positions inclined plate；Flight positioning inclined plate is fixedly connected with blade positioning table, and flight positioning inclined plate is obliquely installed and position In the table top top of blade positioning table, the linear guide is fixedly connected with blade positioning table, and the linear guide and sliding block group are in line and lead The end of rail pair, pusher cylinder piston rod is fixedly connected with blade positioning table, and pusher cylinder driving blade positioning table edge is parallel to The direction of the axial line of pivoting support two translates；Active grab one is fixedly connected with blade positioning table respectively with active grab two, Active grab three is fixedly connected with flight positioning inclined plate；

Described active grab be it is a kind of can be accurately positioned, the novel manual fixture product of Quick-clamped, be widely used in semi-automatic In the technical process such as welding processing, riveting processing, gluing processing, mechanical processing, assembly, the logistics of change, answered in industrial production With very ripe product.

Pivoting support be Chemical Industry Press publish, Cheng great Xian chief editor the 5th edition《Mechanical design handbook》Volume 2 Driving type described in 7-481 pages is the pivoting support of the outer tooth engagement of involute cylindrical gear, and pivoting support includes bearing Outer ring and bearing inner ring, supporting outer ring carry roller gear external tooth；

Welding robot is fixedly connected with rack.

The course of work of the present invention is as described below.

1) upward, the axial line of oild chuck is vertical for three claws of original state, and drillstock is put into three cards by human assistance In the space that pawl is surrounded, drillstock groove is face-up, and the dead weight of drillstock is leaned on to place in this way, and easy for installation, accurate positioning can be very well Ground ensures that the axial line of drillstock and the axial line of oild chuck overlap.

2) oild chuck has been passed through high pressure liquid pressure oil, and three claws is made to hold drillstock tightly.

3) combination two of servo motor-speed reducer, which is powered, rotates, and passes through the Cylinder Gear for driving gear two and supporting outer ring two It takes turns external tooth driving supporting outer ring two to rotate, drives the rotation of chuck holder, drillstock is with rotation, and axial line from becoming horizontal vertically State, having one end of drillstock groove face to face, center is top, and the axial line of the top center line in center and drillstock overlaps.

4) manually carry rounded cap, rim of the mouth periphery and rim of the mouth inner headed face made to coordinate, the end face of the two is close to, rounded cap groove and Then drillstock groove face makes center hold out against cylinder and is passed through compressed air, center cylinder piston rod pushes away to forming V-butt together Dynamic central term pinnacle presses closer plane, prevents rounded cap from falling automatically, then the hand of people leaves.The weight of rounded cap is little, does not surpass generally Five kilograms are crossed, so being suitable for manually carrying.

5) welding robot spot welding in V-butt, then group unification energization its output shaft rotation of servo motor-speed reducer Turn, by driving the combination of the gear external tooth of gear one and supporting outer ring one to drive supporting outer ring one, oild chuck, drillstock and circle Cap rotates, rotated about 120 degree, frictional rotation between the top plane with top in center, welding robot spot welding again in V-butt Once, about 120 degree are then rotated further by, then spot welding is primary, three solder joints make drillstock and rounded cap be fixed together, and finally make Center holds out against cylinder and is reversely passed through compressed air, and center cylinder piston rod is retracted, and center is top to leave top plane.

6) welding robot full weld in V-butt while making drillstock and rounded cap rotate, the two coordination.

7) sensor cylinder is passed through compressed air, and sensor cylinder piston rod stretches out, and drives sensor to its induction zone Domain faces the position of the rotational trajectory of water hole.

8) its output shaft of the group unification energization of servo motor-speed reducer slowly rotates, and drives drillstock and rounded cap rotation, rounded cap On water hole around drillstock axial line rotate, no material is become by rounded cap outer conical surface in the induction region of sensor Water hole, in four any one can, sensor, which generates to incude, simultaneously generates a signal, makes control system at this time Angle orientation on the basis of, be rotated further, water hole made to be on 45 degree of position, with inclined-plane in preventing below the step of or Weld seam covers water hole.Sensor cylinder is reversely passed through compressed air, and sensor cylinder piston rod drives sensor to retract.

9) pusher cylinder is passed through compressed air, and pusher cylinder piston rod pushes blade to hold down assembly to close to drillstock and rounded cap Position, the linear guide along sliding block slide.

10) flat blade is placed, makes inclined-plane by round fastening cap outer conical surface, face the external cylindrical surface for being close to drillstock, positioning plane directly On the upper surface that gravity is placed on blade positioning table, and pull the face upward that active grab one compresses flat blade.

11) helical blade is placed, makes that inner helical surface is close to the external cylindrical surface of drillstock, helical blade interface is close to flat blade Interface, the adjacent plane directed downwardly of helical blade interface is on the upper surface that gravity is placed on blade positioning table, helical blade The other end being upturned is placed on flight positioning inclined plate, and helical blade is compressed using active grab two and active grab three Both ends.

12) welding robot spot welding on each adjacent edge at least welds three points on each workpiece.

13) active grab one, active grab two and active grab three are pulled open, them is made to leave workpiece, pusher cylinder is reversed It is passed through compressed air, pusher cylinder piston rod pulls blade to hold down assembly and leaves drillstock and rounded cap, at this time flat blade and helical-blade Piece, which is fixed with drillstock and rounded cap, becomes an entirety.

14) group unification energization its output shaft rotation of servo motor-speed reducer, drives drillstock and rounded cap around the axle center of drillstock Line rotates, and stops after driving flat blade and helical blade to be flipped up 90 degree.

15) step 9) equably puts four flat blades and four helical blades and is welded in drillstock and circle to 14) in triplicate On cap.

16) by welding robot full weld while rotating drillstock, the two coordination makes weld seam be in upward always most Conducive to the angle of welding.

17) energization of combination two of servo motor-speed reducer makes its reverse rotation, drives soldered oil bit 90 degree are flipped up to rounded cap upward, this angle is most easy to disassemble.

18) oild chuck is reversely passed through high pressure liquid pressure oil, and three claws is made to unclamp drillstock, and human assistance unloads petroleum drilling Head, this welding terminate.

Beneficial effects of the present invention：Ensure the angle of blade, accurate positioning, welding robot by the accuracy of tooling itself The weld seam specification of welding is unified, effectively avoids weld defect, and work efficiency is high, and operator training is simple, and the training period is short, It is small to the health hazard of worker, save wage cost to enterprise.

Description of the drawings

Fig. 1 is the three dimensional structure diagram of the embodiment of the present invention, installs the schematic diagram of drillstock 71；

Fig. 2 is the three dimensional structure diagram of the embodiment of the present invention, and drillstock 71 is overturn to the schematic diagram of horizontality；

Fig. 3 is the three dimensional structure diagram of the embodiment of the present invention, the schematic diagram installed rounded cap 74 and held out against with center top 33；

Fig. 4 is the three dimensional structure diagram of the embodiment of the present invention, and sensor 34 examines the schematic diagram of 741 position of water hole；

Fig. 5 is the three dimensional structure diagram of the embodiment of the present invention, the schematic diagram placed flat blade 72 and compressed；

Fig. 6 is the three dimensional structure diagram of the embodiment of the present invention, the schematic diagram placed helical blade 73 and compressed；

Fig. 7 is the three dimensional structure diagram of the embodiment of the present invention, and flat blade 72 and helical blade 73 are flipped up 90 degree of signal Figure；

Fig. 8 is the three dimensional structure diagram of the embodiment of the present invention, four flat blades 72 and four equably spot welding of helical blade 73 Schematic diagram on drillstock 71 and rounded cap 74；

Fig. 9 is the three dimensional structure diagram of the embodiment of the present invention, and soldered oil bit 7 is flipped up 90 degree of signal Figure；

Figure 10 is the front view of chuck assembly 1；

Figure 11 is the three dimensional structure diagram of rounded cap positioning component 3,

Figure 12 is the three dimensional structure diagram for overturning drive component 2,

Figure 13 is the three dimensional structure diagram of pushing component 4,

Figure 14 is that blade holds down assembly the three dimensional structure diagram at 5 first visual angles,

Figure 15 is that blade holds down assembly the three dimensional structure diagram at 5 second visual angles,

Figure 16 is the three dimensional structure diagram of oil bit 7,

Figure 17 is the three-dimensional structure partial schematic sectional view of drillstock 71,

Figure 18 is the three dimensional structure diagram of flat blade 72,

Figure 19 is the three dimensional structure diagram of helical blade 73,

Figure 20 is the three dimensional structure diagram of rounded cap 74,

As shown in the figure：1. chuck assembly；11. the group of servo motor-speed reducer is unified；12. driving gear one；13. pivoting support One；131. supporting outer ring one；132. supporting inner ring one；14. hydraulic gyration device；15. chuck holder；151. chuck holder flaps； 152. chuck holder risers；16. oild chuck；161. claw；162. chuck body；2. overturning drive component；21. servo motor- The combination two of speed reducer；22. driving gear two；23. pivoting support two；231. supporting outer rings two；232. bearing inner rings two；24. Overturning driving riser；3. rounded cap positioning component；31. center holds out against cylinder；311. central gas cylinder bodies；312. center cylinder pistons Bar；32. sensor cylinder；321. sensor cylinder block；322. sensor cylinder piston rods；33. center is top；34. sensor； 35. rounded cap positions riser；4. pushing component；41. pusher cylinder；411. pusher cylinder bodies；412. pusher cylinder piston rods；42. Sliding block；43. pushing holder；5. blade holds down assembly；51. active grab one；52. active grab two；53. active grab three；54. Blade positioning table；55. the linear guide；56. flight positions inclined plate；6. welding robot；7. oil bit；71. drillstock；711. Rim of the mouth inner headed face；712. drillstock groove faces；72. flat blade；721. positioning planes；722. inclined-plane；723. facing directly；724. flat blade Interface；73. helical blade；731. inner helical surface；732. helical blade interfaces；74. rounded cap；741. water hole；742. top Plane；743. rim of the mouth peripheries；744. rounded cap outer conical surfaces；745. rounded cap grooves.

Specific implementation mode

Present invention will be further explained below with reference to the attached drawings and examples：

Embodiment：Referring to Fig. 1 to Figure 20.

A kind of blade intelligence welding tooling of oil bit, including chuck assembly 1, overturning drive component 2, rounded cap positioning Component 3, pushing component 4, blade hold down assembly 5 and welding robot 6；

Chuck assembly 1 includes the group unification 11 of servo motor-speed reducer, drives gear 1, pivoting support 1, chuck holder 15 and oild chuck 16；Chuck holder 15 includes two rectangular slabs, and one of rectangular slab is chuck holder flap 151, Another rectangular slab is chuck holder riser 152, and chuck holder riser 152 is vertically arranged, one of chuck holder flap 151 It is fixedly connected in one with chuck holder riser 152；Pivoting support 1 includes supporting outer ring 1 and bearing inner ring one 132, supporting outer ring 1 carries roller gear external tooth, and bearing inner ring 1 is fixedly connected with chuck holder flap 151；Servo The housing flange of the group unification 11 of motor-speed reducer is fixedly connected with chuck holder flap 151, drives gear 1 and servo electricity The output shaft of the group unification 11 of machine-speed reducer is fixedly connected, and the gear external tooth of gear 1 and supporting outer ring 1 is driven to nibble It closes；Oild chuck 16 includes claw 161 and chuck body 162, and chuck body 162 is fixedly connected with supporting outer ring 1, oild chuck 16 axial line and the axial line of pivoting support 1 overlap；Three claws 161 around oild chuck 16 axial line uniform array, Three claws 161 synchronize the axial line close to or far from oild chuck 16；

Overturning drive component 2 includes the combination 2 21 of servo motor-speed reducer, drives gear 2 22, pivoting support 2 23 and turn over Turn driving riser 24；Overturning driving riser 24 is fixedly connected with rack；Pivoting support 2 23 includes supporting outer ring 2 231 and bearing Inner ring 2 232, supporting outer ring 2 232 carry roller gear external tooth；It supports inner ring 2 232 and overturning driving riser 24 is fixed and connected It connects, chuck holder riser 152 is fixedly connected with supporting outer ring 2 232；The direction of axis line of pivoting support 2 23 is horizontal, revolution branch Hold the axial line of one 13 axial line perpendicular to pivoting support 2 23；The housing flange of the combination 2 21 of servo motor-speed reducer It is fixedly connected with overturning driving riser 24, the output shaft of the combination 2 21 of gear 2 22 and servo motor-speed reducer is driven to fix Connection drives gear 2 22 and the outer tooth engagement of the gear of supporting outer ring 2 231；

It is fixed that rounded cap positioning component 3 including center holds out against cylinder 31, sensor cylinder 32, center top 33, sensor 34 and rounded cap Position riser 35；Rounded cap positioning riser 35 is fixedly connected with rack；It includes central gas cylinder body 311 and central gas that center, which holds out against cylinder 31, Cylinder piston rod 312；Central gas cylinder body 311 is fixedly connected with rounded cap positioning riser 35, and the end of center cylinder piston rod 312 is fixed Connection center top 33, the direction of the center line for being oriented parallel to center top 33 of center cylinder piston rod 312；Center is top 33 center line in the horizontal direction and perpendicular to the direction of axis line of pivoting support 2 23, the center line at center top 33 and The axial line of pivoting support 2 23 has identical height, center top 33 to be translated with center cylinder piston rod 312；Sensor gas Cylinder 32 includes sensor cylinder block 321 and sensor cylinder piston rod 322, and sensor cylinder block 321 and rounded cap position riser 35 It is fixedly connected, the end of sensor cylinder piston rod 322 is fixedly connected with sensor 34；

Pushing component 4 includes pusher cylinder 41, sliding block 42 and promotion holder 43；Pusher cylinder 41 includes 411 He of pusher cylinder body Pusher cylinder piston rod 412, pusher cylinder body 411 are fixedly connected with promotion holder 43, and sliding block 42 and promotion holder 43 are fixed and connected It connects, the glide direction of sliding block 42 is parallel to the direction of the axial line of pivoting support 2 23；Holder 43 is pushed to be fixedly connected with rack；

Blade hold down assembly 5 include active grab 1, active grab 2 52, active grab 3 53, blade positioning table 54, straight line Guide rail 55 and flight position inclined plate 56；Flight positioning inclined plate 56 is fixedly connected with blade positioning table 54, flight locating latch Plate 56 is obliquely installed and positioned at the table top top of blade positioning table 54, and the linear guide 55 is fixedly connected with blade positioning table 54, The linear guide 55 and sliding block 42 form line slideway auxiliary, and the end of pusher cylinder piston rod 412 and blade positioning table 54, which are fixed, to be connected It connects, 41 driving blade positioning table 54 of pusher cylinder is translated along the direction for the axial line for being parallel to pivoting support 2 23；Active grab One 51 are fixedly connected with blade positioning table 54 respectively with active grab 2 52, and active grab 3 53 and flight positioning inclined plate 56 are solid Fixed connection；

Welding robot 6 is fixedly connected with rack.

The course of work of the present embodiment is as described below.

1) upward, the axial line of oild chuck 16 is vertical, and human assistance is put into drillstock 71 for three claws 161 of original state In the space that three claws 161 are surrounded, drillstock groove face 712 upward, leans on the dead weight of drillstock 71 to place in this way, easy for installation, The axial line of accurate positioning, the axial line and oild chuck 16 that can ensure drillstock 71 well overlaps.

2) oild chuck 16 is passed through high pressure liquid pressure oil, so that three claws 161 is held drillstock 71 tightly, as shown in Figure 1.

3) combination 2 21 of servo motor-speed reducer is powered rotation, by driving gear 2 22 and supporting outer ring 2 232 Roller gear external tooth drives supporting outer ring 2 232 to rotate, and chuck holder 15 is driven to rotate, drillstock 71 with rotation, axial line by Become horizontality vertically, there is one end of drillstock groove face 712 to face center top 33, the center line and brill at center top 33 The axial line of handle 71 overlaps, as shown in Figure 2.

4) rounded cap 74 is manually carried, rim of the mouth periphery 743 and rim of the mouth inner headed face 711 is made to coordinate, the end face of the two is close to, circle Cap groove 745 forms V-butt with drillstock groove face 712 to together with, so that center is held out against cylinder 31 and is passed through compressed air, 312 promotion center top 33 of center cylinder piston rod holds out against plane 742, prevents rounded cap from falling automatically, then the hand of people leaves. The weight of rounded cap 74 is little, is usually no more than five kilograms, so being suitable for manually carrying.

5) spot welding in V-butt of welding robot 6, then the group unification 11 of servo motor-speed reducer is powered, and it is exported Axis rotates, by driving the combination of the gear external tooth of gear 1 and supporting outer ring 1 to drive supporting outer ring 1, hydraulic pressure Chuck 16, drillstock 71 and rounded cap 74 rotate, rotated about 120 degree, frictional rotation between center top 33 and top plane 742, weldering Spot welding is primary again in V-butt for welding robot 6, is then rotated further by about 120 degree, then spot welding is primary, and three solder joints make drillstock 71 and rounded cap 74 be fixed together, so that center is held out against cylinder 31 and be reversely passed through compressed air, center cylinder piston rod 312 retract, and top plane 742 is left at center top 33.

6) full weld in V-butt of welding robot 6 while making drillstock 71 and rounded cap 74 rotate, the two coordination.

7) sensor cylinder 32 is passed through compressed air, and sensor cylinder piston rod 322 stretches out, and drives sensor 34 to its Induction region faces the position of the rotational trajectory of water hole 741.

8) 11 energization its output shaft of group unification of servo motor-speed reducer slowly rotates, and drillstock 71 and rounded cap 74 is driven to revolve Turn, the water hole 741 in rounded cap 74 is rotated around the axial line of drillstock 71, by rounded cap outer cone in the induction region of sensor 34 Face 744 becomes the water hole 741 of not material, and sensor 34, which generates, to be incuded and generate a signal, makes control system with this When angle orientation on the basis of, be rotated further, water hole 741 made to be on 45 degree of position, in preventing below the step of Inclined-plane 722 or weld seam cover water hole 741.As shown in Figure 4.Sensor cylinder 32 is reversely passed through compressed air, sensor cylinder Piston rod 322 drives sensor 34 to retract.

9) pusher cylinder 41 is passed through compressed air, and pusher cylinder piston rod 412 pushes blade to hold down assembly 5 to close to drillstock 71 and rounded cap 74 position, the linear guide 55 along sliding block 42 slide.

10) flat blade 72 is placed, makes inclined-plane 722 by round fastening cap outer conical surface 744, face 723 outside cylinders for being close to drillstock directly Face, positioning plane 721 pull active grab 1 and compress flat blade 72 on the upper surface that gravity is placed on blade positioning table 54 Face upward, as shown in Figure 5.

11) helical blade 73 is placed, inner helical surface 731 is made to be close to the external cylindrical surface of drillstock 71, helical blade interface 732 It is close to flat blade interface 724, the adjacent plane directed downwardly of helical blade interface 732 is placed on blade positioning table 54 by gravity On upper surface, the other end that helical blade 73 is upturned is placed on flight positioning inclined plate 56, uses 2 52 He of active grab Active grab 3 53 compresses the both ends of helical blade 73, as shown in Figure 6.

12) spot welding on each adjacent edge of welding robot 6 at least welds three points on each workpiece.

13) active grab 1, active grab 2 52 and active grab 3 53 are pulled open, them is made to leave workpiece, pushes gas Cylinder 41 is reversely passed through compressed air, and pusher cylinder piston rod 412 pulls blade to hold down assembly and 5 leaves drillstock 71 and rounded cap 74, this When flat blade 72 and helical blade 73 fixed with drillstock 71 and rounded cap 74 and become an entirety.

14) 11 energization its output shaft rotation of group unification of servo motor-speed reducer, drives drillstock 71 and 74 drillstock 71 of rounded cap Axial line rotation, stop after driving flat blade 72 and helical blade 73 to be flipped up 90 degree, as shown in Figure 7.

15) step 9) equably puts four flat blades 72 and four helical blades 73 to 14) and is welded in drillstock in triplicate 71 and rounded cap 74 on, as shown in Figure 8.

16) by 6 full weld of welding robot on one side rotate drillstock 71 while, the two coordination makes weld seam locate upward always In the angle most useful for welding.

17) energization of combination 2 21 of servo motor-speed reducer makes its reverse rotation, drives soldered petroleum drilling First 7 are flipped up 90 degree to rounded cap 74 upward, this angle is most easy to disassemble, as shown in Figure 9.

18) oild chuck 16 is reversely passed through high pressure liquid pressure oil, so that three claws 161 is unclamped drillstock 71, human assistance unloads Oil bit 7, this welding terminate.

The advantageous effect of the present embodiment：Ensure the angle of blade, accurate positioning, welding robot by the accuracy of tooling itself The weld seam specification of people's welding is unified, effectively avoids weld defect, work efficiency is high, and operator training is simple, the training period It is short, it is small to the health hazard of worker, save wage cost to enterprise.

Claims

1. a kind of blade intelligence welding tooling of oil bit, which is characterized in that including chuck assembly, overturning drive component, Rounded cap positioning component, pushing component, blade hold down assembly and welding robot；

Welding robot is fixedly connected with rack.