CN114589385A - Take centering and autogiration's long oil pipe welding set - Google Patents
Take centering and autogiration's long oil pipe welding set Download PDFInfo
- Publication number
- CN114589385A CN114589385A CN202210401161.6A CN202210401161A CN114589385A CN 114589385 A CN114589385 A CN 114589385A CN 202210401161 A CN202210401161 A CN 202210401161A CN 114589385 A CN114589385 A CN 114589385A
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- Prior art keywords
- oil pipe
- sliding
- supporting
- welding
- sliding plate
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- 238000003466 welding Methods 0.000 title claims abstract description 78
- 230000007246 mechanism Effects 0.000 claims abstract description 51
- 238000000034 method Methods 0.000 abstract description 4
- 238000004519 manufacturing process Methods 0.000 abstract description 2
- 239000003921 oil Substances 0.000 description 25
- 239000010720 hydraulic oil Substances 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000002159 abnormal effect Effects 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 210000001503 joint Anatomy 0.000 description 1
- 239000003208 petroleum Substances 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
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Classifications
-
- 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
- B23K9/00—Arc welding or cutting
- B23K9/32—Accessories
-
- 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
- B23K2101/04—Tubular or hollow articles
- B23K2101/06—Tubes
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Plasma & Fusion (AREA)
- Mechanical Engineering (AREA)
- Butt Welding And Welding Of Specific Article (AREA)
Abstract
The invention discloses a long oil pipe welding device with centering and automatic rotation functions, and belongs to the technical field of production of hydraulic cylinder accessories. The lathe body is provided with a slide rail, and the slide rail is provided with two oil pipe supporting and adjusting mechanisms in a sliding manner; one end of the lathe bed is provided with a clamping rotating mechanism and a welding gun positioning mechanism; the clamping and rotating mechanism and the two oil pipe supporting and adjusting mechanisms are on the same straight line; a welding gun is arranged on the welding gun positioning mechanism; the oil pipe supporting and adjusting mechanism comprises a lifting device which is slidably arranged on the sliding rail; a U-shaped supporting block is fixed on the lifting device, and a pair of supporting wheels is installed on the U-shaped supporting block. The oil pipe clamping device adopts two oil pipe supporting and adjusting mechanisms in sliding fit, realizes clamping of one end of an oil pipe through the clamping and rotating mechanism, and can adapt to automatic welding of oil pipes with the outer diameters of phi 20-phi 200 and the lengths of 2m-8 m; the long oil pipe is concentrically supported and positioned, the welding process can realize uniform rotation, the welding quality and the appearance consistency are ensured, and the welding efficiency is improved.
Description
Technical Field
The invention relates to the technical field of hydraulic cylinder accessory production, in particular to a long oil pipe welding device with centering and automatic rotation functions.
Background
Along with the development of engineering machinery to large tonnage, the length and specification of a required hydraulic oil pipe are longer and longer, and the welding difficulty and requirement of the hydraulic oil pipe are higher.
The Chinese patent discloses an oil pipe welding device (CN 103084777A), wherein three support pipes are distributed in a triangular shape, one end of each of two connecting rods is hinged to two sides of the lower part of each of the three support pipes, the other end of each of the two connecting rods is respectively connected with two upper parts of the three support pipes, a V-shaped structure or a C-shaped structure with an upward opening part is formed by the two connecting rods and the three support pipes, two ends of a supporting rod are hinged between the two upper support pipes, an adjusting mechanism is arranged in the middle of the supporting rod, and the adjusting mechanism forms a pipe inner wall supporting mechanism of a pipeline by straightening or bending the middle part of the supporting rod; and the three supporting pipes are provided with at least three pipe inner wall supporting mechanisms of pipelines at intervals. According to the technical scheme, the three support pipes which are distributed in a triangular shape are abutted to the butt joint of the pipelines to form the alignment of the end faces of the pipelines, and after exposed gaps are welded, the positions of the support pipes are replaced and the support pipes are welded to realize the alignment welding of the end faces of the pipelines.
The prior art has the problems that: the device mainly is for solving super large diameter petroleum pipeline welding position, and its purpose is exactly to guarantee that two butt welding body have the support concentric not skew, and this welding set only provides the supporting role, can't realize steel pipe autogiration welding, and the welding relies on is artifical.
The Chinese patent also discloses a hydraulic hard tube welding device (CN 214444276U), which comprises a base and a plurality of first supports arranged at the top of the base, wherein a second support is connected between every two first supports, a cross beam is arranged between every two second supports, the cross beam is connected with a welding device in a sliding manner, a plurality of sliding plates are connected on the base in a sliding manner, and the top of one sliding plate is fixedly connected with a first clamping device. This technical scheme need align the centre gripping with hydraulic pressure hard tube splice for improving welded precision when the welding, can be used for the multistage welding, solves pipe fitting overlength, and the splice can take place micro skew.
The prior art has the problems that: when the device is designed, the main solution is the skew of pipe-to-pipe welding, but on long pipe welding, can't carry out the fastening to the pipe end welding abnormal shape joint, consequently has the limitation in the use.
Disclosure of Invention
The invention aims to provide a long oil pipe welding device with centering and automatic rotation, which can concentrically support, automatically rotate and weld a long oil pipe during welding, thereby ensuring the welding quality.
The invention is realized by the following technical scheme: a long oil pipe welding device with centering and automatic rotation comprises a machine body, wherein a slide rail is arranged on the machine body, and two oil pipe supporting and adjusting mechanisms are slidably arranged on the slide rail; one end of the lathe bed is provided with a clamping rotating mechanism and a welding gun positioning mechanism; the clamping and rotating mechanism and the two oil pipe supporting and adjusting mechanisms are on the same straight line; the welding gun positioning mechanism is provided with a welding gun;
the oil pipe supporting and adjusting mechanism comprises a lifting device which is slidably arranged on the sliding rail; a U-shaped supporting block is fixed on the lifting device, and a pair of supporting wheels are mounted on the U-shaped supporting block;
the clamping and rotating mechanism comprises a supporting plate fixed on the lathe bed; one side of the supporting plate is fixedly connected with a motor, and the motor is connected with a rotating shaft; the rotating shaft is rotatably arranged on the supporting plate, the other end of the rotating shaft is fixedly provided with a chuck, and the chuck is provided with a clamping jaw.
It further comprises the following steps: the upper side edge of the U-shaped supporting block is V-shaped, and rectangular grooves which are symmetrically arranged are formed in the upper side edge of the U-shaped supporting block; the two ends of the supporting wheel central rotating shaft are of square structures, and the two ends of the supporting wheel central rotating shaft are matched and embedded in rectangular grooves in the upper side edges of the U-shaped supporting blocks.
The lifting device comprises a sliding seat which is slidably arranged on the sliding rail, and a screw rod lifter is arranged on the sliding seat; the upper end of a screw in the screw lifter is connected with a lifting plate, guide columns are fixed on two sides of the lower surface of the lifting plate respectively, and the guide columns are connected with the sliding seat in a sliding fit mode.
The screw rod lifter is connected with a manual rotating wheel.
And a controller is arranged on one side of the lathe bed.
The welding gun positioning mechanism comprises a lifting cylinder fixed on one side of the support plate; a mounting seat is fixed on one side of the lifting cylinder, an up-down sliding plate is connected on the mounting seat in a sliding manner, and an up-down fine adjustment knob for adjusting the up-down sliding plate is arranged between the up-down sliding plate and the mounting seat; a front sliding plate and a rear sliding plate are connected to one side of the upper sliding plate and the lower sliding plate in a sliding manner, and a front fine adjustment knob for adjusting the front sliding plate and the rear sliding plate are arranged between the front sliding plate and the rear sliding plate; a support rod is fixed on one side of the front and rear sliding plates, the lower end of the bracket is fixedly connected with the support rod through a hoop, and the hoop is locked through a locking bolt; the welding gun is fixed at the upper end of the bracket.
Compared with the prior art, the invention has the beneficial effects that: two oil pipe supporting and adjusting mechanisms which are in sliding fit are adopted, clamping at one end of an oil pipe is realized through a clamping and rotating mechanism, and automatic welding of the oil pipe with the outer diameter of phi 20-phi 200 and the length of 2m-8m can be adapted; the long oil pipe is concentrically supported and positioned, so that uniform rotation can be realized in the welding process, the welding quality and the appearance consistency are ensured, and the welding efficiency is improved.
Drawings
FIG. 1 is a schematic perspective view of the present invention;
FIG. 2 is a front view of the present invention;
FIG. 3 is a top view of the present invention;
FIG. 4 is a left side view of the present invention;
FIG. 5 is an enlarged view at A in FIG. 1;
FIG. 6 is an enlarged view at B in FIG. 1;
FIG. 7 is a schematic view of the weld gun positioning mechanism of FIG. 1;
in the figure: 1. a bed body; 2. a slide rail; 3. the oil pipe supports the regulating mechanism; 3-1, supporting wheels; 3-2, U-shaped supporting blocks; 3-3, a sliding seat; 3-4, a screw lifter; 3-5, a lifting plate; 3-6, a guide post; 3-7, manually rotating wheels; 4. a clamping and rotating mechanism; 4-1, a support plate; 4-2, a motor; 4-3, a rotating shaft; 4-4, chuck; 4-5, clamping jaws; 5. a welding gun positioning mechanism; 5-1, a lifting cylinder; 5-2, up-down sliding plate; 5-3, fine adjustment of the knob up and down; 5-4, front and back sliding plates; 5-5, a front and back fine adjustment knob; 5-6, supporting rods; 5-7, a bracket; 5-8, locking bolts; 6. a welding gun; 7. and a controller.
Detailed Description
The following is a specific embodiment of the present invention, which will be further described with reference to the accompanying drawings.
Referring to fig. 1 to 4, a long oil pipe welding device with centering and automatic rotation is provided, wherein a bed body 1 is provided with a slide rail 2, the slide rail 2 is provided with two oil pipe supporting and adjusting mechanisms 3 in a sliding manner, and the oil pipe supporting and adjusting mechanisms 3 are used for supporting oil pipes. One end of the lathe bed 1 is provided with a clamping and rotating mechanism 4 and a welding gun positioning mechanism 5. The clamping and rotating mechanism 4 and the two oil pipe supporting and adjusting mechanisms 3 are in the same straight line, and the clamping and rotating mechanism 4 is used for clamping the oil pipes. And a welding gun 6 is arranged on the welding gun positioning mechanism 5, and the position of the welding gun 6 is adjusted through the welding gun positioning mechanism 5.
The clamping and rotating mechanism 4 comprises a supporting plate 4-1 fixed on the lathe bed 1. One side of the supporting plate 4-1 is fixedly connected with a motor 4-2, and the motor 4-2 is connected with a rotating shaft 4-3. The rotating shaft 4-3 is rotatably arranged on the supporting plate 4-1, the other end of the rotating shaft 4-3 is fixedly provided with a chuck 4-4, and the chuck 4-4 is provided with a clamping jaw 4-5. A controller 7 is arranged on one side of the lathe bed 1, and the rotation of the clamping and rotating mechanism 4 is controlled by the controller 7.
Referring to fig. 5, the oil pipe supporting and adjusting mechanism 3 includes a sliding seat 3-3 slidably mounted on the sliding rail 2, and a screw elevator 3-4 is mounted on the sliding seat 3-3. The upper end of a screw in the screw lifter 3-4 is connected with a lifting plate 3-5, two sides of the lower surface of the lifting plate 3-5 are respectively fixed with a guide column 3-6, and the guide columns 3-6 are connected with the sliding seat 3-3 in a sliding fit manner. The screw rod lifter 3-4 is connected with a manual rotating wheel 3-7. The U-shaped supporting block 3-2 is fixed on the lifting plate 3-5, the upper side edge of the U-shaped supporting block 3-2 is V-shaped, and rectangular grooves which are symmetrically arranged are formed in the upper side edge of the U-shaped supporting block 3-2. A pair of supporting wheels 3-1 is arranged on the U-shaped supporting block 3-2; two ends of the central rotating shaft of the supporting wheel 3-1 are of square structures, and two ends of the central rotating shaft of the supporting wheel 3-1 are matched and embedded in the rectangular grooves on the upper side edges of the U-shaped supporting blocks 3-2.
Referring to FIG. 7, the welding gun positioning mechanism 5 includes a lifting cylinder 5-1 fixed to one side of the support plate 4-1; a mounting seat is fixed on one side of the lifting cylinder 5-1, an upper sliding plate 5-2 and a lower sliding plate 5-2 are connected on the mounting seat in a sliding manner, and the relative positions of the upper sliding plate 5-2 and the mounting seat are adjusted by an upper fine adjustment knob 5-3 and a lower fine adjustment knob 5-3. One side of the upper and lower sliding plates 5-2 is connected with a front and a rear sliding plates 5-4 in a sliding way, and the relative position between the front and rear sliding plates 5-4 and the upper and lower sliding plates 5-2 is adjusted by a front and rear fine adjustment knob 5-5. One side of the front and rear sliding plates 5-4 is fixed with a support rod 5-6, the lower end of the support 5-7 is fixedly connected with the support rod 5-6 through a hoop, and the hoop is locked through a locking bolt 5-8. The welding gun 6 is fixed at the upper ends of the brackets 5-7.
The height of the welding gun 6 can be adjusted through the lifting cylinder 5-1, and when a workpiece has small deviation in the chuck 4-4, fine adjustment can be performed through the upper fine adjustment knob 5-3, the lower fine adjustment knob 5-3 and the front fine adjustment knob 5-5 and the rear fine adjustment knob 5-5. When different welding seams (butt welding and fillet welding) are selected, the bracket 5-7 is rotated by loosening the locking bolt 5-8, so that the angle of the welding gun 6 is changed.
The working principle is as follows:
fixing the oil pipe to be welded after assembly welding on the welding device for welding;
firstly, clamping the welding end of an oil pipe to be welded by using a clamping jaw 4-5, placing an unwelded part on a supporting wheel 3-1, adjusting a manual rotating wheel 3-7 below two supporting wheels 3-1 according to the height of a workpiece clamped by a chuck 4-4, keeping the height of the supporting wheel 3-1 consistent with the height of the end to be welded of the oil pipe to be welded, and reducing welding gun deviation and oil pipe rotation generated in the welding process;
moving the welding gun 6 to the position of a welding seam, starting the motor 4-2 to enable the chuck 4-4 to drive the workpiece to perform pre-welding trial rotation, and turning off the motor 4-2 after no swing or offset exists after the cycle trial rotation;
starting a welding gun to strike an arc and preheat a workpiece after confirming that the workpiece is correct, and linking a motor 4-2 to rotate after preheating for 2-3s to weld the workpiece;
and (4) checking the appearance quality of the welding seam after welding, converting two ends, welding the other end, and repeating the process.
Claims (6)
1. The utility model provides a long oil pipe welding set of area centering and autogiration which characterized in that: the oil pipe support adjusting mechanism comprises a machine body (1), wherein a sliding rail (2) is arranged on the machine body (1), and two oil pipe support adjusting mechanisms (3) are arranged on the sliding rail (2) in a sliding manner; one end of the lathe bed (1) is provided with a clamping rotating mechanism (4) and a welding gun positioning mechanism (5); the clamping and rotating mechanism (4) and the two oil pipe supporting and adjusting mechanisms (3) are on the same straight line; a welding gun (6) is arranged on the welding gun positioning mechanism (5);
the oil pipe supporting and adjusting mechanism (3) comprises a lifting device which is slidably arranged on the sliding rail (2); a U-shaped supporting block (3-2) is fixed on the lifting device, and a pair of supporting wheels (3-1) is arranged on the U-shaped supporting block (3-2);
the clamping and rotating mechanism (4) comprises a supporting plate (4-1) fixed on the lathe bed (1); one side of the supporting plate (4-1) is fixedly connected with a motor (4-2), and the motor (4-2) is connected with a rotating shaft (4-3); the rotating shaft (4-3) is rotatably arranged on the supporting plate (4-1), the other end of the rotating shaft (4-3) is fixedly provided with a chuck (4-4), and the chuck (4-4) is provided with a clamping jaw (4-5).
2. The long oil pipe welding device with centering and automatic rotation functions as claimed in claim 1, wherein: the upper side edge of the U-shaped supporting block (3-2) is V-shaped, and rectangular grooves which are symmetrically arranged are formed in the upper side edge of the U-shaped supporting block (3-2); two ends of the central rotating shaft of the supporting wheel (3-1) are of square structures, and two ends of the central rotating shaft of the supporting wheel (3-1) are matched and embedded in rectangular grooves in the upper side edges of the U-shaped supporting blocks (3-2).
3. The long oil pipe welding device with centering and automatic rotation functions as claimed in claim 1, wherein: the lifting device comprises a sliding seat (3-3) which is arranged on the sliding rail (2) in a sliding way, and a screw rod lifter (3-4) is arranged on the sliding seat (3-3); the upper end of a screw in the screw lifter (3-4) is connected with a lifting plate (3-5), two sides of the lower surface of the lifting plate (3-5) are respectively fixed with a guide column (3-6), and the guide columns (3-6) are connected with the sliding seat (3-3) in a sliding fit manner.
4. The long oil pipe welding device with centering and automatic rotation functions as claimed in claim 3, wherein: the screw rod lifter (3-4) is connected with a manual rotating wheel (3-7).
5. The long oil pipe welding device with centering and automatic rotation functions as claimed in claim 1, wherein: and a controller (7) is installed on one side of the lathe bed (1).
6. The long oil pipe welding device with centering and automatic rotation functions as claimed in claim 1, wherein: the welding gun positioning mechanism (5) comprises a lifting cylinder (5-1) fixed on one side of the support plate (4-1); a mounting seat is fixed on one side of the lifting cylinder (5-1), an upper sliding plate and a lower sliding plate (5-2) are connected on the mounting seat in a sliding manner, and an upper fine adjustment knob (5-3) for adjusting the upper sliding plate and the lower sliding plate (5-2) is arranged between the upper sliding plate and the lower sliding plate (5-2) and the mounting seat; a front sliding plate and a rear sliding plate (5-4) are connected to one side of the upper sliding plate and the lower sliding plate (5-2) in a sliding manner, and a front fine adjustment knob (5-5) for adjusting the front sliding plate and the rear sliding plate (5-4) is arranged between the front sliding plate and the rear sliding plate (5-4) and the upper sliding plate and the lower sliding plate (5-2); a support rod (5-6) is fixed on one side of the front and rear sliding plates (5-4), the lower end of the bracket (5-7) is fixedly connected with the support rod (5-6) through a hoop, and the hoop is locked through a locking bolt (5-8); the welding gun (6) is fixed at the upper end of the bracket (5-7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210401161.6A CN114589385A (en) | 2022-04-18 | 2022-04-18 | Take centering and autogiration's long oil pipe welding set |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210401161.6A CN114589385A (en) | 2022-04-18 | 2022-04-18 | Take centering and autogiration's long oil pipe welding set |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN114589385A true CN114589385A (en) | 2022-06-07 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210401161.6A Pending CN114589385A (en) | 2022-04-18 | 2022-04-18 | Take centering and autogiration's long oil pipe welding set |
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| CN (1) | CN114589385A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115070250A (en) * | 2022-08-22 | 2022-09-20 | 江苏豪林能源科技有限公司 | Welding equipment for signal rod post and rod base |
| CN117047393A (en) * | 2023-10-12 | 2023-11-14 | 江苏龙净节能科技有限公司 | Automatic welding production line for heat pipe sealing heads |
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| CN117047393A (en) * | 2023-10-12 | 2023-11-14 | 江苏龙净节能科技有限公司 | Automatic welding production line for heat pipe sealing heads |
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