CN112548419A - Drill rod welding equipment and welding method - Google Patents
Drill rod welding equipment and welding method Download PDFInfo
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- CN112548419A CN112548419A CN202011320975.4A CN202011320975A CN112548419A CN 112548419 A CN112548419 A CN 112548419A CN 202011320975 A CN202011320975 A CN 202011320975A CN 112548419 A CN112548419 A CN 112548419A
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- 238000003466 welding Methods 0.000 title claims abstract description 409
- 238000000034 method Methods 0.000 title claims abstract description 22
- 238000006073 displacement reaction Methods 0.000 claims abstract description 14
- 238000005553 drilling Methods 0.000 claims abstract description 4
- 230000007246 mechanism Effects 0.000 claims description 62
- 230000000712 assembly Effects 0.000 claims description 14
- 238000000429 assembly Methods 0.000 claims description 14
- 230000008569 process Effects 0.000 claims description 13
- 230000005540 biological transmission Effects 0.000 claims description 6
- 238000004519 manufacturing process Methods 0.000 abstract description 15
- 241000251468 Actinopterygii Species 0.000 abstract description 8
- 239000011295 pitch Substances 0.000 description 10
- 230000004927 fusion Effects 0.000 description 5
- 230000008859 change Effects 0.000 description 3
- 239000003638 chemical reducing agent Substances 0.000 description 3
- 238000005452 bending Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000012856 packing Methods 0.000 description 2
- 239000011148 porous material Substances 0.000 description 2
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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
- B23K37/0211—Carriages for supporting the welding or cutting element travelling on a guide member, e.g. rail, track
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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
- 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
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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
- B23K37/0247—Driving means
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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
- B23K37/053—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
- 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
- B23K2101/00—Articles made by soldering, welding or cutting
- B23K2101/20—Tools
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- Optics & Photonics (AREA)
- Butt Welding And Welding Of Specific Article (AREA)
Abstract
The invention discloses a drill rod welding device and a welding method, and belongs to the field of welding devices. This drilling rod welding equipment includes: a main shaft driving device fixedly connected with one end of the base, a welding moving frame fixedly connected with the base, and a welding device fixedly connected with the welding moving frame, the main shaft driving device is fixedly connected with a rod piece of the welding part, when the welding piece rotates a preset angle around the central line of the main shaft driving device, the welding device displaces a preset distance along the central line of the welding piece, the displacement distance of the welding device is matched with the pitch of the helical blade, the invention drives the welding piece to rotate through the main shaft driving device, when the welding part rotates for a preset angle, the welding moving frame drives the welding device to move for a preset distance along the central line of the welding part, and the preset distance of the displacement of the welding device is matched with the pitch of the helical blade, so that the welding device can perform continuous welding modes such as fish scale welding on a curved surface, and the strength and the production efficiency of welding connection are improved.
Description
Technical Field
The invention belongs to the field of welding equipment, and particularly relates to drill rod welding equipment and a welding method.
Background
The welding of the welding piece with the helical blades welded on the outer side of the existing pipe fittings such as a drill rod, a packing auger and the like is produced in a manual welding mode, the problem of difficult positioning exists because the direction of feeding amount is a curve in the curved surface processing, the existing production mode is generally produced in a spot welding mode, the problem of low connection strength exists because the spot welding is in point connection, if a continuous welding mode such as fish scale welding is carried out on the curved surface, the skill level of workers is required to be too high, the manual production efficiency is also lower, and the problem of too low production efficiency exists.
Disclosure of Invention
The purpose of the invention is as follows: the utility model provides a drilling rod welding equipment and welding method to solve the above-mentioned problem that prior art exists.
The technical scheme is as follows: the drilling rod welding equipment includes: the welding device comprises a main shaft driving device fixedly connected with one end of a base, a welding moving frame fixedly connected with the base and a welding device fixedly connected with the welding moving frame.
The main shaft driving device is fixedly connected with a rod piece of the welding piece, the main shaft driving device is concentrically matched with the welding piece, and the welding device is used for welding the joint of the rod piece of the welding piece and the helical blade.
When the welding part rotates around the central line of the main shaft driving device by a preset angle, the welding device displaces for a preset distance along the central line of the welding part, and the displacement distance of the welding device is matched with the pitch of the helical blade.
In a further embodiment, the drill rod welding device further comprises a supporting device fixedly connected with the other end of the base, and the welding moving frame and the welding device are positioned between the spindle driving device and the supporting device.
The supporting device comprises a support fixedly connected with the other end of the base, at least one supporting driving assembly fixedly connected with the support, and at least one supporting wheel rotatably connected with the tail end of the supporting driving assembly.
In a further embodiment, the number of the supporting driving assemblies is at least two, the supporting driving assemblies are respectively positioned at two sides of the bottom end of the welding part, the tail end of each supporting driving assembly is rotatably connected with at least one supporting wheel, and a preset included angle is formed between the central lines of the supporting driving assemblies.
In another embodiment, the supporting driving component is at least one, the supporting driving component is positioned at the bottom end of the welding component, the number of the supporting wheels is at least two, and the supporting wheels are rotatably connected with two sides of the tail end of the supporting driving component.
In a further embodiment, the bottom of support still fixed mounting have a height adjusting part, height adjusting part and base fixed connection, height adjusting part adjusts the height of support and support drive assembly, changes welding piece and supporting wheel butt position through height adjusting part adjusts the height of support and support drive assembly and the relative position between a plurality of supporting wheels, can avoid welding piece to receive the problem that the deflection force drops to and avoid the too high problem that makes welding piece buckle damage of supporting wheel.
In a further embodiment, the supporting device further comprises at least one width adjusting assembly fixedly connected with the tail end of the supporting driving assembly, the supporting wheels are rotatably connected with the width adjusting assembly, the width adjusting assembly adjusts the relative distance between the supporting wheels, and the relative distance between the supporting wheels is adjusted by the width adjusting assembly to change the butting position of the welding piece and the supporting wheels, so that the problem that the welding piece falls off due to the deflection force can be avoided, and the problem that the welding piece is bent and damaged due to the overhigh supporting wheels is avoided.
In a further embodiment, the welding device includes a welding stage fixedly connected to the welding carriage, at least one rotation driving device fixedly connected to the welding stage, an attitude adjustment joint fixedly connected to the rotation driving device, and a welding gun fixedly connected to the attitude adjustment joint.
The rotary driving device is characterized in that a rotary shaft of the rotary driving device is vertically matched with the ground, the posture adjusting joint and the welding gun rotate around the rotary shaft of the rotary driving device, the rotary shaft of the posture adjusting joint is matched with the ground in parallel, the posture adjusting joint and the welding gun can rotate around a Z axis through the rotary driving device, the welding gun can rotate around a Y axis through the posture adjusting joint, the welding gun can rotate around the Z axis and the Y axis to adjust the posture and the angle, and the welding operation is carried out on the helical blades with different angles and screw pitches.
In a further embodiment, the welding device comprises at least two rotary driving devices, an attitude adjusting joint fixedly connected with the rotary driving devices and welding guns fixedly connected with the attitude adjusting joint, the welding guns are arranged oppositely, when in welding operation, the two welding guns are respectively arranged on two sides of the same welding point of the helical blade, and the two welding guns are respectively arranged on two sides of the same welding point of the helical blade, so that the welding device can simultaneously weld two sides of the helical blade, the angle adjusting error of the welding guns is reduced, the welding precision of subsequent workpieces is improved, the welding pores are reduced, and the welding strength and the production efficiency are improved.
In a further embodiment, the welding device further comprises a cross adjustment carriage fixedly connected with the rotary driving device, and the cross adjustment carriage comprises a vertical linear motion mechanism fixedly connected with the rotary driving device and a transverse linear motion mechanism fixedly connected with the vertical linear motion mechanism.
The vertical linear motion mechanism drives the transverse linear motion mechanism and the welding guns to do vertical linear motion, the vertical linear motion mechanism respectively drives the two welding guns to do vertical linear motion on two sides of the helical blade, the transverse linear motion mechanism respectively drives the two welding guns to do opposite linear motion on two sides of the helical blade, the transmission precision of the cross-shaped adjusting planker is higher than that of the welding moving frame, the two welding guns can do vertical linear motion on two sides of the helical blade through the cross-shaped adjusting planker and do opposite linear motion, the problem that the fixed distance between the welding guns in the prior art cannot adapt to helical blades with different thicknesses is solved, the transmission precision of the cross-shaped adjusting planker is higher than that of the welding moving frame, and the feeding precision of the welding guns can be improved only by using the cross-shaped adjusting planker to drive the displacement of the welding guns during welding, the problem of current equipment welding process error can't reach technology and application requirement big is solved, the size of cross adjustment towing plate is less than the size of welding removal frame, compares with the technical scheme who directly improves the lead screw mechanism precision of welding removal frame and can also reduction in production cost.
The welding method based on the drill rod welding equipment comprises the following steps: and S1, adjusting the height of the supporting wheel according to the diameter of the rod of the welding piece.
And S2, sleeving the spiral blade of the welding part on the outer side of the rod part, then fixedly connecting the main shaft driving device with one end of the rod part of the welding part, and adjusting the height of the supporting wheel again to enable the supporting wheel of the supporting driving assembly to be in abutting fit with the other end of the rod part of the welding part.
And S3, moving the welding device to one end of the welding part where the helical blade is connected with the rod piece by the welding moving frame, driving the welding part to rotate by the main shaft driving device, and driving the welding device to displace a preset distance along the central line of the welding part every time the welding part rotates by a preset angle in the rotating process of the welding part, wherein the preset distance of the displacement of the welding device is matched with the pitch of the helical blade.
And S4, in the process that the welding device moves towards the direction of the welding part, two welding guns of the welding device are respectively positioned at two sides of the same welding point of the helical blade, so that the two welding guns respectively weld the two sides of the same welding point of the helical blade.
And S5, after welding, the welding moving frame drives the welding device to move towards the direction far away from the welding part, and then a worker or a clamping robot takes the welding part off the main shaft driving device and replaces the welding part to be machined.
Has the advantages that: the invention discloses a drill rod welding device and a welding method, wherein a main shaft driving device of the drill rod welding device drives a welding part to rotate, when the welding part rotates for a preset angle, a welding moving frame drives a welding device to displace for a preset distance along the central line of the welding part, and the preset distance of the displacement of the welding device is matched with the pitch of a helical blade, so that the welding device can perform a continuous welding mode such as fish scale welding on a curved surface, and the strength and the production efficiency of welding connection are improved.
Drawings
FIG. 1 is an axial schematic view of the present invention.
FIG. 2 is a schematic view of an embodiment of the height adjustment assembly of the present invention.
FIG. 3 is a schematic view of an embodiment of the width adjustment assembly of the present invention.
Fig. 4 is an enlarged schematic view of the welding apparatus of the present invention.
Figure 5 is a schematic view of an embodiment of the electrode contact of the present invention.
The reference numerals shown in fig. 1 to 5 are: the welding device comprises a base 1, a welding moving frame 2, a welding device 3, a supporting device 4, a main shaft driving device 5, a welding part 6, a transverse driving device 21, a longitudinal driving device 22, a vertical driving device 23, a welding table 31, a rotary driving device 32, an attitude adjusting joint 33, a welding gun 34, a cross adjusting planker 35, a vacuum device 36, an electrode contact 37, a support 41, a supporting driving assembly 42, a supporting wheel 43, a height adjusting assembly 44, a width adjusting assembly 45, a rod 61, a spiral blade 62, a vertical linear motion mechanism 351 and a transverse linear motion mechanism 352.
Detailed Description
In the following description, numerous specific details are set forth in order to provide a more thorough understanding of the present invention. It will be apparent, however, to one skilled in the art, that the present invention may be practiced without one or more of these specific details. In other instances, well-known features have not been described in order to avoid obscuring the invention.
The applicant finds that welding of welding pieces welded with helical blades on the outer sides of pipe fittings such as a drill rod and a packing auger and the like is produced in a manual welding mode, and the curved surface machining has the problem of difficult positioning because the direction of feeding amount is curved, so the existing production mode is generally produced in a spot welding mode, the spot welding has the problem of low connection strength because of point connection, and if a continuous welding mode such as fish scale welding is carried out on a curved surface, the skill level of workers is required to be too high, the manual production efficiency is low, and the production efficiency is too low.
The drill rod welding equipment comprises a base 1, a welding moving frame 2, a welding device 3, a supporting device 4, a main shaft driving device 5, a transverse driving device 21, a longitudinal driving device 22, a vertical driving device 23, a welding table 31, a rotary driving device 32, an attitude adjusting joint 33, a welding gun 34, a cross adjusting planker 35, a vacuum device 36, an electrode contact 37, a support 41, a supporting driving assembly 42, a supporting wheel 43, a height adjusting assembly 44, a width adjusting assembly 45, a vertical linear motion mechanism 351 and a transverse linear motion mechanism 352.
The welding part 6 comprises a rod 61 or a pipe fitting and a sleeve joint accessory sleeved outside the rod 61 or the pipe fitting, and after the relative position of the sleeve joint accessory and the rod 61 is fixed through spot welding, the rod 61 is inserted into the chuck, so that the chuck is fixedly connected with the rod 61 or the pipe fitting.
Or the sleeve joint accessory is sleeved outside the rod piece 61 or the pipe fitting, so that the rod piece 61 is clamped in the chuck and is electrically welded by the welding device 3 before the chuck rotates.
The spindle driving device 5 comprises a head frame fixedly connected with one end of the base 1, a spindle driving assembly fixedly connected with the head frame, and a chuck rotatably connected with the spindle driving assembly, the chuck is fixedly connected with the welding part 6, and the chuck and the welding part 6 rotate around the central line of the chuck.
The spindle driving assembly comprises a shell fixedly connected with the base 1, a motor accommodated in the shell and a speed reducer accommodated in the shell, an input shaft of the speed reducer is rotatably connected with an output shaft of the motor, a chuck is fixedly connected with the output shaft of the speed reducer and is also electrically connected with a welding conducting device, the polarity of an electrode of the chuck is different from that of an electrode of the welding gun 34, wherein the motor is a variable frequency motor, the variable frequency motor can be started at any position and can change along with the welding diameter, the rotating speed is adjusted, and the welding linear speed is constant.
The welding moving frame 2 comprises a transverse driving device 21 fixedly connected with the base 1, a longitudinal driving device 22 fixedly connected with the transverse driving device 21, and a vertical driving device 23 fixedly connected with the longitudinal driving device 22.
The welding device 3 is fixedly connected with a vertical driving device 23, the central lines of the transverse driving device 21, the longitudinal driving device 22 and the vertical driving device 23 are perpendicular to each other, the transverse driving device 21, the longitudinal driving device 22 and the vertical driving device 23 are linear motion mechanisms such as ball screw mechanisms, air cylinders or hydraulic cylinders, and the transverse driving device 21, the longitudinal driving device 22 and the vertical driving device 23 further comprise linear guide rail assemblies or linear shaft assemblies or linear sliding assemblies such as linear sliding rails for assisting the linear motion mechanisms to move linearly.
Wherein the central line of the transverse driving device 21 is the X axis of the drill rod welding device, the central line of the longitudinal driving device 22 is the Y axis of the drill rod welding device, and the central line of the vertical driving device 23 is the Z axis of the drill rod welding device.
The main shaft driving device 5 is fixedly connected with one end of the base 1, the welding moving frame 2 is fixedly connected with the base 1, the welding device 3 is fixedly connected with the welding moving frame 2, the main shaft driving device 5 is fixedly connected with a rod piece 61 of the welding piece 6, the main shaft driving device 5 is concentrically matched with the welding piece 6, and the welding device 3 welds the joint of the rod piece 61 of the welding piece 6 and the helical blade 62.
The working principle is as follows: when the welding part 6 rotates for a preset angle around the central line of the main shaft driving device 5, the welding device 3 displaces for a preset distance along the central line of the welding part 6, wherein the displacement distance of the welding device 3 is matched with the pitch of the helical blade 62, the curved surface of the welding part 6 can be converted into relative displacement matched with the welding device 3 by driving the welding part 6 to rotate, and then the displacement distance of the welding device 3 is matched with the pitch of the helical blade 62, so that the welding device 3 can perform continuous welding modes such as fish scale welding on the curved surface, and the strength and the production efficiency of welding connection are improved.
In a further embodiment, when the length of the welding part 6 is too large, the bending phenomenon is easy to occur, the relative position and angle between the welding part 6 and the welding device 3 cannot be ensured, and the production quality is reduced.
In order to solve the above problems, the drill rod welding equipment further comprises a supporting device 4 fixedly connected with the other end of the base 1, the welding moving frame 2 and the welding device 3 are located between the main shaft driving device 5 and the supporting device 4, wherein the supporting device 4 is fixedly connected with the base through a sliding assembly such as a linear guide rail mechanism, a linear shaft assembly or a linear sliding rail, the distance between the supporting device 4 and the main shaft driving device 5 can be adjusted according to the length of a welding piece, the further supporting device 4 can also comprise a linear motion mechanism such as a ball screw mechanism, an air cylinder or a hydraulic cylinder, the linear motion mechanism is fixedly connected with the support 41, or a driving device is used for conveying the supporting wheel 43 to a preset position by using the rotating force of a motor, and the position of.
The supporting device 4 comprises a bracket 41 fixedly connected with the other end of the base 1, at least one supporting driving assembly 42 fixedly connected with the bracket 41, and at least one supporting wheel 43 rotatably connected with the tail end of the supporting driving assembly 42, wherein when the main shaft driving device 5 is fixedly connected with the welding part 6, the supporting wheel 43 is in butt fit with the side surface of the welding part 6.
The supporting driving assembly 42 is a linear motion mechanism such as a ball screw mechanism, an air cylinder or a hydraulic cylinder, or a driving device for conveying the supporting wheel 43 to a predetermined position by using a rotational force of a motor, wherein the supporting driving assembly 42 may further include a linear guide mechanism or a linear shaft assembly or a sliding assembly such as a linear slide rail positioned at one side of the linear motion mechanism to assist the linear motion of the linear motion mechanism.
The supporting device 4 is used for supporting the welding part 6, so that the problem that the relative position and the angle of the welding part 6 and the welding device 3 cannot be guaranteed due to the fact that the bending phenomenon easily occurs when the length of the welding part 6 is too large can be solved, and the production quality is improved.
In a further embodiment, there are at least two support driving assemblies 42, the support driving assemblies 42 are respectively located at two sides of the bottom end of the welding member 6, the end of each support driving assembly 42 is rotatably connected with at least one support wheel 43, and the center lines of the support driving assemblies 42 have a predetermined included angle.
In another embodiment, there is at least one support drive assembly 42, the support drive assembly 42 is located at the bottom end of the weldment 6, there are at least two support wheels 43, and the support wheels 43 are pivotally connected to both sides of the distal end of the support drive assembly 42.
In a further embodiment, because the welding part 6 with smaller wall thickness and larger diameter has smaller weight, if the supporting wheels 43 at the two sides are closer, the problem that the welding part 6 is easy to fall off due to deflection force in the rotating process of the welding part 6 is easily caused, and if the supporting wheels 43 at the two sides are closer, stress concentration is easy to occur, and once the supporting wheels 43 extend for too high distance, the welding part 6 is bent and damaged, so that the problem of low fault-tolerant capability is caused.
In order to solve the above problem, a height adjusting assembly 44 is further fixedly mounted at the bottom end of the bracket 41, the height adjusting assembly 44 is fixedly connected with the base 1, and the height adjusting assembly 44 adjusts the height of the bracket 41 and the support driving assembly 42, wherein the height adjusting assembly 44 is a linear motion mechanism such as a ball screw mechanism, an air cylinder or a hydraulic cylinder, or a driving device for conveying the support wheel 43 to a predetermined position by using the rotating force of a motor, and the height adjusting assembly 44 may further include a linear guide mechanism or a linear shaft assembly or a sliding assembly such as a linear slide rail positioned at one side of the linear motion mechanism to assist the linear motion of the linear motion mechanism.
The abutting positions of the welding part 6 and the supporting wheels 43 are changed by adjusting the heights of the bracket 41 and the supporting driving assembly 42 and the relative positions of the supporting wheels 43 through the height adjusting assembly 44, so that the problem that the welding part 6 is deflected by a deflection force to fall off and the problem that the welding part 6 is bent and damaged due to the overhigh supporting wheels 43 can be avoided.
In another embodiment, the supporting device 4 further includes at least one width adjusting assembly 45 fixedly connected to the end of the supporting driving assembly 42, the supporting wheels 43 are rotatably connected to the width adjusting assembly 45, and the width adjusting assembly 45 adjusts the relative distance between the supporting wheels 43, wherein the width adjusting assembly 45 is a linear motion mechanism such as a ball screw mechanism, an air cylinder or a hydraulic cylinder, or a driving device for conveying the supporting wheels 43 to a predetermined position by using the rotating force of a motor, and wherein the width adjusting assembly 45 may further include a linear guide mechanism or a sliding assembly such as a linear shaft assembly or a linear slide rail on one side of the linear motion mechanism to assist the linear motion of the linear motion mechanism.
The relative distance between the supporting wheels 43 is adjusted by the width adjusting assembly 45 to change the abutting positions of the welding part 6 and the supporting wheels 43, so that the problem that the welding part 6 is deflected to fall off can be avoided, and the problem that the welding part 6 is bent and damaged due to the fact that the supporting wheels 43 are too high is avoided.
In a further embodiment, in the conventional welding apparatus 3, the welding torch 34 is directly fixed to the movable frame, and the posture and angle of the welding torch 34 cannot be adjusted, so that the welding work cannot be performed on the helical blades 62 having different angles and pitches.
In order to solve the above problem, the welding apparatus 3 includes a welding stage 31 fixedly connected to the welding moving frame 2, at least one rotation driving device 32 fixedly connected to the welding stage 31, an attitude adjusting joint 33 fixedly connected to the rotation driving device 32, and a welding gun 34 fixedly connected to the attitude adjusting joint 33.
The rotation axis of the rotation driving device 32 is vertically engaged with the ground, the attitude adjusting joint 33 and the welding gun 34 are rotated around the rotation axis of the rotation driving device 32, and the rotation axis of the attitude adjusting joint 33 is engaged in parallel with the ground.
The rotary driving device 32 includes a mounting seat fixedly connected to the welding table 31, and a rotary driving power source fixedly connected to the mounting seat, the attitude adjusting joint 33 is fixedly connected to an output shaft of the rotary driving power source, and the attitude adjusting joint 33 is eccentrically disposed with the output shaft of the rotary driving power source, wherein the rotary driving power source is a rotary device such as a servo motor or a stepping motor.
The attitude adjusting joint 33 includes an attitude adjusting power source fixedly connected to an output shaft of the rotational driving power source, and a clamping block fixedly connected to an output shaft of the attitude adjusting power source, and the welding gun 34 is fixedly connected to the clamping block, wherein the attitude adjusting power source is a rotating device such as a servo motor or a stepping motor.
The posture adjustment joint 33 and the welding gun 34 can be rotated around the Z axis through the rotary driving device 32, the welding gun 34 can be rotated around the Y axis through the posture adjustment joint 33, the posture and the angle of the welding gun 34 can be adjusted around the Z axis and the Y axis in a rotating mode, the welding work is carried out on the spiral blades 62 with different angles and screw pitches, the welding pieces with different models can be welded, the welding pieces with variable pitch can also be welded, and the universality of the welding equipment is greatly improved.
In a further embodiment, the welding gun 34 in the prior art can only weld the helical blade 62 on one side, and if both sides are to be welded, the welding gun 34 needs to return to the original point to adjust the angle of the welding gun 34 to weld the other side after the welding on one side is completed, an adjustment error occurs once when the angle of the welding gun 34 is adjusted, which results in reduction of welding precision of subsequent workpieces, and a gap is formed between the welding gun 34 and the first welding during the second welding to reduce welding strength.
In order to solve the above problem, the welding device 3 includes at least two rotation driving devices 32, an attitude adjustment joint 33 fixedly connected to the rotation driving devices 32, and a welding torch 34 fixedly connected to the attitude adjustment joint 33, the welding torches 34 are arranged to face each other, and the two welding torches 34 are respectively arranged on both sides of the same welding point of the helical blade 62 at the time of welding operation.
The two welding guns 34 are respectively arranged on the two sides of the same welding point of the helical blade 62, so that the welding device 3 can weld the two sides of the helical blade 62 at the same time, the angle adjustment error of the welding guns 34 is reduced, the welding precision of subsequent workpieces is improved, the welding pores are reduced, and the welding strength and the production efficiency are improved.
In a further embodiment, only the angle of the welding gun 34 is adjusted, but the distance between the welding guns 34 is fixed, which cannot adapt to the helical blades 62 with different thicknesses, and the welding process needs to make the welding gun 34 reciprocate toward the welding position to realize the welding process with enhanced welding strength, such as fish scale welding, but the existing equipment uses the vertical driving device 23 to adjust the overall height of the welding device 3, which can also realize the welding process with enhanced welding strength, such as fish scale welding, but the stroke of the vertical driving device 23 is large and low in precision, the welded fish scale welding seam has the problems of overlarge width and irregularity, and when the diameter of the welding part 6 is small, the process error is large, and the process and application requirements cannot be met.
In order to solve the above problem, the welding device 3 further includes a cross adjustment carriage 35 fixedly connected to the rotation driving device 32, and the cross adjustment carriage 35 includes a vertical linear motion mechanism 351 fixedly connected to the rotation driving device 32, and a horizontal linear motion mechanism 352 fixedly connected to the vertical linear motion mechanism 351.
The vertical linear motion mechanism 351 drives the horizontal linear motion mechanism 352 and the welding guns 34 to do vertical linear motion, the vertical linear motion mechanism 351 drives the two welding guns 34 to do vertical linear motion on two sides of the helical blade 62 respectively, the horizontal linear motion mechanism 352 drives the two welding guns 34 to do relative linear motion on two sides of the helical blade 62 respectively, and the transmission precision of the cross-shaped adjusting planker 35 is higher than that of the welding moving frame 2.
Wherein, the vertical linear motion mechanism 351 and the horizontal linear motion mechanism 352 are screw rod mechanisms with rotary power sources such as a servo motor or a stepping motor, etc., and can also be provided with slide assemblies such as a linear guide rail mechanism or a linear shaft assembly or a linear slide rail, etc. to assist the linear motion of the screw rod mechanisms, the precision grades of the screw rod mechanisms of the vertical linear motion mechanism 351 and the horizontal linear motion mechanism 352 are screw rods with 4-6 grade precision specified in JB2886-81 precision of trapezoidal screw rods and nuts of a machine tool, in the prior art, the precision grade of a screw mechanism of the welding moving frame 2 is 7-9 grades of precision screws specified in JB2886-81 & lt precision of trapezoidal screw and nut of machine tool & gt, and the stroke of the vertical linear motion mechanism 351 and the lateral linear motion mechanism 352 is smaller than that of the welding moving frame 2, the accumulated error of the stroke of the vertical linear motion mechanism 351 and the lateral linear motion mechanism 352 is also smaller than that of the welding moving frame 2.
Vertical linear motion can be made to two welder 34 in helical blade 62's both sides through cross adjustment planker 35, and do relative linear motion, the fixed unable helical blade 62's that adapts to different thickness of welder 34 interval problem of prior art has been solved, transmission precision through making cross adjustment planker 35 is higher than the transmission precision of welding removal frame 2, only use cross adjustment planker 35 to drive welder 34's displacement can improve welder 34's the precision of feeding when the welding, the problem that current equipment welding process error is big can't reach technology and application requirement has been solved, the size of cross adjustment planker 35 is less than the size of welding removal frame 2, can also reduce manufacturing cost with the technical scheme who directly improves the screw mechanism precision of welding removal frame 2.
The welding method of the drill rod welding equipment based on the embodiment comprises the following steps: s1, adjusting the height of the supporting wheel 43 according to the diameter of the rod 61 of the weldment 6.
And S2, sleeving the spiral blade 62 of the welding member 6 outside the rod member 61, then fixedly connecting the main shaft driving device 5 with one end of the rod member 61 of the welding member 6, and adjusting the height of the supporting wheel 43 again to enable the supporting wheel 43 of the supporting driving assembly 42 to be in abutting fit with the other end of the rod member 61 of the welding member 6.
And S3, the welding moving frame 2 moves the welding device 3 to one end of the welding part 6 where the helical blade 62 is connected with the rod 61, the spindle driving device 5 drives the welding part 6 to rotate, in the rotating process of the welding part 6, every time the welding part 6 rotates by a preset angle, the welding moving frame 2 drives the welding device 3 to displace by a preset distance along the central line of the welding part 6, and the preset distance of displacement of the welding device 3 is matched with the pitch of the helical blade 62.
S4, during the displacement of the welding device 3 toward the weld part 6, the two welding guns 34 of the welding device 3 are respectively located on both sides of the same welding point of the helical blade 62, so that the two welding guns 34 respectively weld both sides of the same welding point of the helical blade 62.
And S5, after welding, the welding moving frame 2 drives the welding device 3 to move in the direction away from the welding part 6, and then a worker or a clamping robot takes the welding part 6 off the main shaft driving device 5 and replaces the welding part 6 to be machined.
In a further embodiment, when the thickness of the helical blade 62 is large in the prior art, even if two welding guns 34 weld both sides of the helical blade 62 at the same time, the gap between the two sides of the helical blade 62 may be still generated because the weld pools on the two sides are already cooled before they meet.
In order to solve the above problem, the welding device 3 further includes at least one vacuum device 36 fixedly connected to the attitude adjustment joint 33, an air inlet of the vacuum device 36 is located on a side where the welding member 6 is screwed to the welding guns 34, and the vacuum device 36 sucks air from a middle position of the two welding guns 34 during welding operation.
During welding, the vacuum device 36 sucks air from the middle position of the two welding guns 34 to form negative pressure between the two molten pools, so that the fusion speed of the two molten pools is increased, and the problem that a gap still exists in the middle position of the spiral blade 62 when the thickness of the spiral blade 62 is large is solved.
In a further embodiment, when the gas inlet sucks gas directly towards the molten pool, the two molten pools are easy to be drawn in opposite directions, and the effect of fusion of the two molten pools is not achieved.
To solve the above problem, a baffle extends from the side of the gas inlet close to the welding guns 34, and the baffle extends to the middle position of the two welding guns 34.
The influence range of the air inlet of the vacuum device 36 can be reduced through the baffle plate, the problem that the two molten pools are easy to pull in opposite directions when the air inlet directly sucks air to the molten pools is solved, and negative pressure is formed between the two molten pools to accelerate the fusion speed of the two molten pools.
In another embodiment, the welding device 3 further comprises at least one electrode contact 37 fixedly connected to the attitude adjustment joint 33, the electrode contact 37 is located on one side of the welding member 6 screwed to the welding torch 34, the electrode contact 37 is electrically connected to the welding conductive device, the electrode of the electrode contact 37 is in opposite polarity engagement with the electrode of the welding torch 34, and the electrode contact 37 is in abutting engagement with the pipe member of the welding member 6 at a position intermediate between the two welding torches 34 during welding operation.
In this embodiment, the chuck is not electrically connected to the welding conductive means.
During welding, the electrode contact 37 is in butt fit with the side surface of the rod 61 of the welding part 6 at the middle position of the two welding guns 34, so that the molten pools on the two sides can be guided by current, the molten pools on the two sides are fused towards the middle direction, the problem that the two molten pools are easy to pull towards opposite directions by the air inlet is solved, the fusion speed of the molten pools on the two sides is accelerated, the electrode contact 37 or the vacuum device 36 on the other side can be started before the welding gun on one side is started in order to accelerate the fusion speed of the molten pools on the two sides during welding, after the welding on one side is carried out, the started electrode contact 37 or the vacuum device 36 is stopped, then the welding on the other side is started according to the.
Claims (10)
1. Drilling rod welding equipment, its characterized in that includes: the welding device comprises a main shaft driving device fixedly connected with one end of a base, a welding moving frame fixedly connected with the base and a welding device fixedly connected with the welding moving frame;
the main shaft driving device is fixedly connected with a rod piece of the welding piece, the main shaft driving device is concentrically matched with the welding piece, and the welding device is used for welding the joint of the rod piece of the welding piece and the helical blade;
when the welding part rotates around the central line of the main shaft driving device by a preset angle, the welding device displaces for a preset distance along the central line of the welding part, and the displacement distance of the welding device is matched with the pitch of the helical blade.
2. The drill rod welding device as recited in claim 1, further comprising a support device fixedly connected to the other end of the base, wherein the welding moving frame and the welding device are located between the spindle driving device and the support device;
the supporting device comprises a support fixedly connected with the other end of the base, at least one supporting driving assembly fixedly connected with the support, and at least one supporting wheel rotatably connected with the tail end of the supporting driving assembly.
3. The drill rod welding device as recited in claim 2, wherein the number of the supporting driving assemblies is at least two, the supporting driving assemblies are respectively arranged on two sides of the bottom end of the welding part, the tail end of each supporting driving assembly is rotatably connected with at least one supporting wheel, and a preset included angle is formed between the center lines of the supporting driving assemblies.
4. The drill rod welding apparatus as recited in claim 2, wherein at least one of the support drive assemblies is located at a bottom end of the weldment, and at least two of the support wheels are rotatably connected to opposite sides of a distal end of the support drive assembly.
5. The drill rod welding device as recited in claim 3, wherein a height adjusting assembly is fixedly mounted at the bottom end of the support and is fixedly connected with the base, and the height adjusting assembly adjusts the height of the support and the support driving assembly.
6. The apparatus for welding drill rods according to claim 4, wherein the support device further comprises at least one width adjustment assembly fixedly connected to an end of the support drive assembly, the support wheels being rotatably connected to the width adjustment assembly, the width adjustment assembly adjusting the relative distance between the plurality of support wheels.
7. The drill rod welding apparatus as recited in claim 1, wherein the welding device comprises a welding stage fixedly connected to the welding carriage, at least one rotary drive fixedly connected to the welding stage, an attitude adjustment joint fixedly connected to the rotary drive, and a welding torch fixedly connected to the attitude adjustment joint;
the rotating shaft of the rotating driving device is vertically matched with the ground, the posture adjusting joint and the welding gun rotate around the rotating shaft of the rotating driving device, and the rotating shaft of the posture adjusting joint is matched with the ground in parallel.
8. The drill rod welding apparatus according to claim 7, wherein the welding means comprises at least two rotary driving means, an attitude adjustment joint fixedly connected to the rotary driving means, and welding guns fixedly connected to the attitude adjustment joint, the welding guns being disposed opposite to each other, and the two welding guns being disposed on both sides of a same welding point of the helical blade during welding operation.
9. The drill rod welding device according to claim 8, wherein the welding device further comprises a cross adjustment carriage fixedly connected with the rotary driving device, and the cross adjustment carriage comprises a vertical linear motion mechanism fixedly connected with the rotary driving device and a transverse linear motion mechanism fixedly connected with the vertical linear motion mechanism;
the vertical linear motion mechanism drives the transverse linear motion mechanism and the welding guns to do vertical linear motion, the vertical linear motion mechanism drives the two welding guns to do vertical linear motion on two sides of the helical blade respectively, the transverse linear motion mechanism drives the two welding guns to do relative linear motion on two sides of the helical blade respectively, and the transmission precision of the cross-shaped adjusting planker is higher than that of the welding moving frame.
10. The welding method of the drill rod welding equipment based on any one of claims 5 to 9, which is characterized by comprising the following steps: s1, adjusting the height of the supporting wheel according to the diameter of the rod piece of the welding piece;
s2, sleeving the spiral blade of the welding part on the outer side of the rod part, then fixedly connecting the main shaft driving device with one end of the rod part of the welding part, and adjusting the height of the supporting wheel again to enable the supporting wheel of the supporting driving assembly to be in abutting fit with the other end of the rod part of the welding part;
s3, moving the welding device to one end of the welding part where the helical blade is connected with the rod by the welding moving frame, driving the welding part to rotate by the main shaft driving device, and driving the welding device to displace a preset distance along the central line of the welding part every time the welding part rotates by a preset angle in the rotating process of the welding part, wherein the preset distance of the displacement of the welding device is matched with the pitch of the helical blade;
s4, in the process that the welding device moves towards the direction of the welding piece, two welding guns of the welding device are respectively positioned at two sides of the same welding point of the helical blade, so that the two welding guns respectively weld the two sides of the same welding point of the helical blade;
and S5, after welding, the welding moving frame drives the welding device to move towards the direction far away from the welding part, and then a worker or a clamping robot takes the welding part off the main shaft driving device and replaces the welding part to be machined.
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| CN202011320975.4A CN112548419A (en) | 2020-11-23 | 2020-11-23 | Drill rod welding equipment and welding method |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113560785A (en) * | 2021-07-28 | 2021-10-29 | 中煤科工集团重庆研究院有限公司 | Automatic welding device for helical blade of wide-blade auger stem |
| CN114260636A (en) * | 2021-11-26 | 2022-04-01 | 达州市三译智能设备有限公司 | Positioner for welding helical blade |
| CN114278234A (en) * | 2021-12-16 | 2022-04-05 | 中煤科工集团西安研究院有限公司 | Welding spiral non-magnetic drill rod for directional drilling of coal mine tunnel and preparation method |
| CN118218868A (en) * | 2024-05-27 | 2024-06-21 | 中铁七局集团第三工程有限公司 | Shield constructs quick-witted screw axis blade welding set |
Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002018575A (en) * | 2000-07-07 | 2002-01-22 | Fuji Kiso Kikai Kk | Automatic working machine for spiral blade |
| KR100587251B1 (en) * | 2005-05-10 | 2006-06-12 | 고동일 | Auto welding device for pipe |
| CN203804429U (en) * | 2014-05-07 | 2014-09-03 | 河北创力机电科技有限公司 | Welding device for spiral drill rod |
| CN104353949A (en) * | 2014-11-04 | 2015-02-18 | 国家电网公司 | Welding gun welding position adjusting device |
| CN104668847A (en) * | 2015-02-13 | 2015-06-03 | 杭州焊林科技有限公司 | Welding equipment |
| CN104690458A (en) * | 2015-03-17 | 2015-06-10 | 河海大学常州校区 | Welding machine tool |
| CN105414871A (en) * | 2015-12-29 | 2016-03-23 | 滁州市成业机械制造有限公司 | High-adjustability welding rolling wheel brackets |
| CN109532031A (en) * | 2018-11-19 | 2019-03-29 | 浙江海洋大学 | A kind of plastic welding gun |
| CN208772991U (en) * | 2018-09-26 | 2019-04-23 | 无锡德玛克液压科技有限公司 | A kind of Vehicle Processing workpiece tail support device |
| CN209303950U (en) * | 2018-11-07 | 2019-08-27 | 中储环保设备制造(天津)有限公司 | A kind of oil tank positioning device convenient for adjusting |
| CN110936076A (en) * | 2019-12-30 | 2020-03-31 | 南京英尼格玛工业自动化技术有限公司 | Manifold welding system |
| CN211804501U (en) * | 2020-01-20 | 2020-10-30 | 南京浩康有色金属设备有限公司 | Automatic welding device for longitudinal seam of large-caliber non-ferrous metal pipe |
-
2020
- 2020-11-23 CN CN202011320975.4A patent/CN112548419A/en active Pending
Patent Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002018575A (en) * | 2000-07-07 | 2002-01-22 | Fuji Kiso Kikai Kk | Automatic working machine for spiral blade |
| KR100587251B1 (en) * | 2005-05-10 | 2006-06-12 | 고동일 | Auto welding device for pipe |
| CN203804429U (en) * | 2014-05-07 | 2014-09-03 | 河北创力机电科技有限公司 | Welding device for spiral drill rod |
| CN104353949A (en) * | 2014-11-04 | 2015-02-18 | 国家电网公司 | Welding gun welding position adjusting device |
| CN104668847A (en) * | 2015-02-13 | 2015-06-03 | 杭州焊林科技有限公司 | Welding equipment |
| CN104690458A (en) * | 2015-03-17 | 2015-06-10 | 河海大学常州校区 | Welding machine tool |
| CN105414871A (en) * | 2015-12-29 | 2016-03-23 | 滁州市成业机械制造有限公司 | High-adjustability welding rolling wheel brackets |
| CN208772991U (en) * | 2018-09-26 | 2019-04-23 | 无锡德玛克液压科技有限公司 | A kind of Vehicle Processing workpiece tail support device |
| CN209303950U (en) * | 2018-11-07 | 2019-08-27 | 中储环保设备制造(天津)有限公司 | A kind of oil tank positioning device convenient for adjusting |
| CN109532031A (en) * | 2018-11-19 | 2019-03-29 | 浙江海洋大学 | A kind of plastic welding gun |
| CN110936076A (en) * | 2019-12-30 | 2020-03-31 | 南京英尼格玛工业自动化技术有限公司 | Manifold welding system |
| CN211804501U (en) * | 2020-01-20 | 2020-10-30 | 南京浩康有色金属设备有限公司 | Automatic welding device for longitudinal seam of large-caliber non-ferrous metal pipe |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113560785A (en) * | 2021-07-28 | 2021-10-29 | 中煤科工集团重庆研究院有限公司 | Automatic welding device for helical blade of wide-blade auger stem |
| CN114260636A (en) * | 2021-11-26 | 2022-04-01 | 达州市三译智能设备有限公司 | Positioner for welding helical blade |
| CN114278234A (en) * | 2021-12-16 | 2022-04-05 | 中煤科工集团西安研究院有限公司 | Welding spiral non-magnetic drill rod for directional drilling of coal mine tunnel and preparation method |
| CN118218868A (en) * | 2024-05-27 | 2024-06-21 | 中铁七局集团第三工程有限公司 | Shield constructs quick-witted screw axis blade welding set |
| CN118218868B (en) * | 2024-05-27 | 2024-08-09 | 中铁七局集团第三工程有限公司 | Shield constructs quick-witted screw axis blade welding set |
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Effective date of registration: 20230308 Address after: 211200 Building 2, Futian Village, Lishui Economic Development Zone (Zhetang Town), Nanjing City, Jiangsu Province Applicant after: Nanjing Weird Intelligent Equipment Co.,Ltd. Address before: No. 666, Dongqi Road, Qilin science and Technology Innovation Park, Nanjing, Jiangsu, 211100 Applicant before: Nanjing Chuangke Electric Co.,Ltd. |