CN216758809U - All-position automatic welding device - Google Patents
All-position automatic welding device Download PDFInfo
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- CN216758809U CN216758809U CN202123370318.3U CN202123370318U CN216758809U CN 216758809 U CN216758809 U CN 216758809U CN 202123370318 U CN202123370318 U CN 202123370318U CN 216758809 U CN216758809 U CN 216758809U
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Abstract
The utility model belongs to the technical field of welding equipment, and particularly relates to an all-position automatic welding device which is particularly suitable for automatic welding on a pipeline laying site. Its structure includes the frame, set up the left side in the frame relatively, right side crown plate, the power rotating cage with the axial has between the two, a left side, right side crown plate and power rotating cage have the breach that the position corresponds, a left side for holding the pipe shaft and fixing through locking part, right side crown plate, the power rotating cage comprises the transmission arc piece of symmetry and a plurality of gangbars of setting between the two, at least one side transmission arc piece edge has the arc rack, its gear train cooperation of being connected with the motor, make the power rotating cage along the rotation in the track of left crown plate and/or right crown plate inboard, set up the platform that is used for fixed welder on the power rotating cage. The automatic welding positioning fixture can clamp and position the pipeline, realizes quick automatic welding at all positions, and has the characteristics of high working efficiency and consistent welding standard.
Description
Technical Field
The utility model belongs to the technical field of welding auxiliary equipment, and particularly relates to an all-position automatic welding device which is particularly suitable for automatic welding on a pipeline laying site.
Background
Welding is a non-detachable connection method, which is a method for realizing material connection of workpieces under the action of heating and/or pressurization. In the connecting region, the material is generally melted and/or plastically deformed. In the prior pipeline interface, the pipeline is cylindrical during welding, so that the pipeline interface is not easy to fix and the welding quality is influenced; secondly, the limitation of operation field conditions is received, manual welding is generally adopted, the working efficiency is low, the operation is not standard, the welding standards are inconsistent, and with the diversified development of energy sources of modern welding, gas flame, electric arc, laser, electron beam, friction, ultrasonic wave and the like appear.
Utility model with patent number CN201920507648.6 discloses a pipeline welding jig. Including the base, the base both sides are provided with the fixing device that two symmetries set up, and fixing device includes the support that is connected with base fixed connection's fixed block, is located the fixed block top and with the base, connects on the support and with support swing joint's depression bar, depression bar bottom and depression bar rotatable coupling's briquetting, the fixed block upper surface is indent arc surface, the indent arc surface is set to what the briquetting corresponds with the fixed block. This pipeline welding jig can not take place to remove when making the pipeline welding through the cooperation of fixed block and briquetting, guarantees welding quality, and hasp and the hinge structure through the support make the support realize can opening and shutting, make things convenient for putting into and taking out of pipeline. However, in the application process, the pipeline can be positioned only by moving, and the pipeline is required to be taken out after welding is finished, so that the welding method is only suitable for welding prefabricated pipes in factories and is not suitable for welding operation on pipeline laying sites, and the welding cannot cover all positions of the pipeline; secondly, this welding jig simple structure, the function is single, and is low with welding equipment integration degree, and welding process is high to the artifical degree of dependence, has reduced automatic, the intelligent level of equipment.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a novel positioning fixture which can quickly and automatically weld all positions after clamping and positioning a pipeline, has high working efficiency and consistent welding standard, and is particularly suitable for on-site welding of pipeline laying.
In order to realize the purpose, the technical scheme adopted by the utility model is as follows:
the utility model provides an all-position automatic welder which characterized in that: including the frame, set up left crown plate and right crown plate in the frame relatively, have the power rotating cage with the axial between the two, left side crown plate, right crown plate and power rotating cage have the breach that the position corresponds for it is fixed through locking part to hold the pipe shaft left side crown plate, right crown plate, the power rotating cage comprises the transmission arc piece of symmetry and a plurality of gangbars of setting between the two, at least one side transmission arc piece edge has the arc rack, and its gear train cooperation of being connected with the motor makes the power rotating cage follow rotation in the track of left crown plate and/or right crown plate inboard, set up the platform that is used for fixed welder on the power rotating cage.
The additional technical characteristics of the full-position automatic welding device also comprise that:
the gear set comprises a driving gear, a left driven gear and a right driven gear which are respectively connected through a toothed chain, and at least one of the left driven gear and the right driven gear is meshed with the arc-shaped rack on the transmission arc piece in the rotating process of the power rotating cage;
the driving gear is located at the upper part of the left ring plate or the right ring plate, a plurality of tensioning gears are arranged below the driving gear, the left driven gear and the right driven gear are symmetrically arranged on two sides of the driving gear, and the toothed chain is closed to encircle the driving gear, the left driven gear, the tensioning gears and the right driven gear;
the platform on the power rotating cage is arranged on the linkage rod or on a ball screw, and two ends of the ball screw are respectively connected with the transmission arc pieces;
the platform is internally provided with a cross-shaped mechanical arm, the cross-shaped mechanical arm comprises an axial guide rail and a radial guide rail which are vertically connected with each other, and the welding gun is fixed in a sliding block of the axial guide rail or the radial guide rail;
the track inside the left and/or right annular plate is an annular flange provided with a groove on its surface, said groove cooperating with a runner provided at the edge of the transmission arc piece; or the track is a rotating wheel which is arranged on the inner side surface of the left annular plate and/or the right annular plate and is connected with the left annular plate and/or the right annular plate through a plurality of bolts, and a clamping groove on the surface of the rotating wheel is matched with a sliding strip arranged on the edge of the transmission arc sheet;
-the annular flanges are arranged intermittently and are arranged in sliding grooves arranged along the radial direction of the left ring plate and/or the right ring plate; or the rotating wheel is eccentrically connected with the bolt;
the welding gun power rotating cage platform is characterized by further comprising a PLC (programmable logic controller) and a speed reducer, wherein the PLC is electrically connected with a motor of the gear set and the welding gun on the power rotating cage platform and comprises a control panel, and a switch button and a speed regulating knob are arranged on the control panel;
the locking part for fixing the left ring plate and the right ring plate with the pipe body comprises a plurality of screws or pneumatic push rods arranged along the radial direction of the left ring plate and the right ring plate, and the end parts of the screws or the pneumatic push rods are provided with pressing blocks;
the rack is made of sectional materials, the structure of the rack comprises a top frame and upright columns arranged at four corners of the top frame, the outer sides of the left ring plate and the right ring plate are respectively connected with the upright columns through cross beams, and the top of the rack is provided with a lifting ring or two sides of the top frame are provided with lifting bars.
Compared with the prior art, the all-position automatic welding device provided by the utility model has the following advantages: the automatic welding positioning fixture has the advantages that the left ring plate and the right ring plate for clamping the pipe body are arranged in the rack, the coaxial power rotating cage is arranged between the left ring plate and the right ring plate, the platform for fixing the welding gun is arranged on the power rotating cage, the welding gun performs welding operation on the pipe body in the rotation process, the position control is accurate, the welding quality is consistent with the operation standard, the manual error is avoided, the working efficiency is improved, the left ring plate, the right ring plate and the power rotating cage are provided with notches corresponding to the positions, the left ring plate, the right ring plate and the power rotating cage can be placed on the pipe body for positioning, the automatic welding positioning fixture is particularly suitable for on-site welding of pipe orifices after laying is completed, the hoisting and carrying of construction sites are reduced, and the construction cost is saved; secondly, because the power rotating cage is composed of symmetrical transmission arc pieces and a plurality of linkage rods arranged between the symmetrical transmission arc pieces, the edge of the transmission arc piece on at least one side is provided with an arc rack which is matched with a gear set connected with a motor to enable the power rotating cage to rotate along the inner side of the track of the left ring plate and/or the right ring plate.
Drawings
FIG. 1 is a schematic structural diagram of an all-position automatic welding device according to the present invention;
fig. 2 is a schematic view of the internal cross-sectional structure of the automatic welding positioning fixture.
Detailed Description
The structure and the working principle of the full-position automatic welding device provided by the utility model are further described in detail with reference to the accompanying drawings.
Referring to fig. 1 and fig. 2, the present invention provides a structural schematic diagram of an all-position automatic welding device. The structure of the automatic welding positioning fixture comprises a rack 1, a left ring plate 21 and a right ring plate 22 which are oppositely arranged in the rack 1, a power rotating cage 3 in the same axial direction is arranged between the left ring plate 21 and the right ring plate 22, the left ring plate 21, the right ring plate 22 and the power rotating cage 3 are provided with notches 4 corresponding to the positions and used for accommodating a pipe body and fixing the left ring plate 21 and the right ring plate 22 through a locking part 5, the power rotating cage 3 is composed of symmetrical transmission arc pieces 31 and a plurality of linkage rods arranged between the transmission arc pieces 31, the edge of at least one side of the transmission arc pieces 31 is provided with an arc rack 311 which is matched with a gear set 33 connected with a motor 34, the power rotating cage 3 rotates along the inner side track of the left ring plate 21 and/or the right ring plate 22, and a platform 37 used for fixing a welding gun 36 is arranged on the power rotating cage 3.
The working principle is as follows: the frame 1 of the positioning fixture integrates two functions of clamping positioning and automatic welding, because the left ring plate 21, the right ring plate 22 and the power rotating cage 3 which is positioned between the left ring plate 21 and the right ring plate and coaxially arranged between the left ring plate and the right ring plate have notches 4 with corresponding positions, the notches 4 are just placed on a pipe body (or a pipe orifice butt joint part) to be welded, wherein the left ring plate 21 and the right ring plate 22 are fixed with the pipe body through locking parts 5, the transmission arc sheets 31 on one side or two sides of the power rotating cage 3 are matched with a gear set 33 connected with a motor, the power rotating cage 3 rotates along the inner side of the left ring plate 21 and/or the right ring plate 22 in a track, and the welding gun 36 on a platform 37 of the power rotating cage 3 completes the circumferential welding operation.
In the structure constituting the above-described automatic welding positioning jig,
in order to better draw the power rotating cage 3 to rotate, the gear set 33 disposed on the frame 1 or the left ring plate 21 and the right ring plate 22 includes a driving gear 331 and a left driven gear 332 and a right driven gear 333 respectively connected through a gear chain 330, and during the rotation of the power rotating cage 3, at least one of the left driven gear 332 and the right driven gear 333 is engaged with the arc-shaped rack 311 on the transmission arc piece 31, that is, the arc-shaped rack 311 is alternately transmitted by the left driven gear 332 and the right driven gear 333, so as to complete a completed rotation; it should be noted that "left" and "right" in this patent are defined according to specific components, and there is no unique limiting standard, for example, the left driven gear 332 and the right driven gear 333 are located on two sides of the driving gear 331, and the left ring plate 21 and the right ring plate 22 are located on two sides of the rack 1 (two ends of the power rotating cage 3);
in one embodiment, the driving gear 331 is located at the upper portion of the left ring plate 21 or the right ring plate 22, and a plurality of tensioning gears 334 are disposed below the driving gear 331, so as to adjust the tension of the chain 330 to prevent transmission slip, and change the arrangement direction of the chain 330, for example, the tensioning gears 334 are distributed along the inner circumference of the left ring plate 21 or the right ring plate 22 to prevent the chain from interfering with the movement of the power rotating cage 3, preferably, the left driven gear 332 and the right driven gear 333 are symmetrically disposed at two sides of the driving gear 331, and the chain 330 is closed to surround the driving gear 331, the left driven gear 332, the tensioning gear 334, and the right driven gear 333 to form a closed-loop transmission whole;
in order to fix the welding gun 36 on the power rotating cage 3, the platform 37 on the power rotating cage 3 can be arranged on the linkage rods 32, for example, the platform 37 is fixed by the two linkage rods 32 in a penetrating manner, so that the position of the platform 37 is more stable in the rotation process of the power rotating cage 3, the circumferential welding of the welding gun 36 in the platform 37 is more regular, or the platform 37 can also be arranged on a ball screw, two ends of the ball screw are respectively connected with the transmission arc piece 31, namely the platform 37 can move axially along the power rotating cage 3, the welding gun 36 can complete the axial welding on the basis of the circumferential welding, the application range of the equipment is expanded, and the welding gun is suitable for various welding parts of pipelines;
furthermore, the platform 37 is provided with a cross-shaped mechanical arm 371, the welding gun 36 is fixed at the transmission end of the cross-shaped mechanical arm 371, so that the position of the welding gun 36 in the axial direction and the radial direction of the pipeline can be changed to meet the operation requirements of different pipe diameters and different welding processes, specifically, the cross-shaped mechanical arm 371 comprises an axial guide rail and a radial guide rail which are mutually and vertically connected, the welding gun 36 is fixed in a slide block of the axial guide rail or the radial guide rail, so that the position of the welding gun 36 can be accurately adjusted, and the welding forming quality is ensured;
in one embodiment, the track inside the left ring plate 21 and/or the right ring plate 22 is an annular flange with a groove on the surface, the groove is matched with the slide bar 312 arranged at the edge of the transmission arc piece 31, because the left ring plate 21 and the right ring plate 22 are fixed on the tube body through the locking component 5, the annular flanges inside the left ring plate 21 and the right ring plate 22 are clamped and positioned on the transmission arc piece 31 through the groove to move along the circumference, thereby realizing the autorotation process of guiding the power rotating cage 3, ensuring the stability of the autorotation axis and the safety of the welding process;
as shown in fig. 2, the above-mentioned track can also be replaced by a plurality of rotating wheels 352 connected by a plurality of bolts 351 and disposed on the inner side surface of the left ring plate 21 and/or the right ring plate 22, wherein the locking slots 353 on the surface of the rotating wheels 352 are matched with the sliding strips 312 disposed on one side edge or two side edges of the transmission arc sheet 31, and the movement of the transmission arc sheet 31 is guided by the positioning of the plurality of rotating wheels 352 discretely distributed along the circumference;
as a preferred embodiment, the annular flanges are distributed intermittently and are located in sliding grooves radially arranged along the left annular plate 21 and/or the right annular plate 22, that is, the annular flanges are formed by a plurality of arc-shaped flaps, which can be diverged and contracted by the center of the pipeline, and the radial distance of the arc-shaped flaps is adjusted in the sliding grooves according to the pipe diameter or the specific welding position, so that the transmission arc flaps 31 can rotate along tracks with different circumferential sizes; or the rotating wheel 352 is eccentrically connected with the bolt 351, and the radial distance of the clamping groove 353 on the surface of the rotating wheel 352 in the pipeline is changed by rotating the bolt 351;
preferably, the positioning fixture further comprises a PLC controller 6 and a speed reducer electrically connected to the motor 34 of the gear set 33, the welding gun 36 on the platform 37 of the power rotating cage 3, so as to realize automatic control of rotation and welding, the electrical connection further comprises necessary data lines, power lines and sensing elements, such as speed, distance, temperature and other sensors, for automatically monitoring the rotation speed, welding distance, welding zone temperature and the like of the welding gun 36, so as to realize intelligent adjustment of parameters of the automatic welding process, the PLC controller 6 can also be electrically connected to a cross-shaped mechanical arm 371 (a stepping motor driving a guide rail) in the platform 37, a traction power cylinder in a sliding chute radially arranged on the left ring plate 21 and/or the right ring plate 22, and the like, so as to realize automatic control of the whole process, further improve the intelligence degree of the device, and the PLC controller 6 preferably has an independent control panel, the control panel is provided with a switch key and a speed regulation knob 61, so that the field operation of a user is facilitated;
it should be noted that, because the welding gun 36 can move axially and radially in the cross-shaped mechanical arm 371, in the process of rotating synchronously with the power rotating cage 3, the diversity of the directions of the welding gun is realized, and especially after joint control by the PLC controller 6, the welding track can be designed in advance for different welding areas of pipelines or other weldments, that is, full-position automatic welding is realized;
preferably, the locking component 5 for fixing the left ring plate 21, the right ring plate 22 and the pipe body comprises a plurality of screws 51 or pneumatic push rods arranged along the radial direction of the left ring plate 21 and the right ring plate 22, the end parts of the screws 51 or the pneumatic push rods are provided with pressing blocks 52, and the welding positions with different pipe diameters are clamped and positioned by rotating the screws 51 or driving the pneumatic push rods to stretch, so that the pipe body fixing device has the characteristics of firmness in fixation, safety and stability;
furthermore, above-mentioned frame 1 is made by the section bar, and its structure includes top frame 11 and the stand 12 of setting in its four corners, and left annular plate 21 and right annular plate 22's the outside is connected with the stand through crossbeam 13 respectively, and section bar mechanical strength is high, and spatial structure stability is good, is difficult for taking place to warp, can firmly fix a position left annular plate 21, right annular plate 22 to its lower extreme is open, can squat and put on the pipe shaft, sets up rings or top frame both sides at frame 1 top and sets up and lift the thick stick, and the mechanical equipment of being convenient for hoists the transport, and the manual work is lifted and is also very swift.
Claims (10)
1. The utility model provides an all-position automatic welder which characterized in that: including the frame, set up left crown plate and right crown plate in the frame relatively, have the power rotating cage with the axial between the two, left side crown plate, right crown plate and power rotating cage have the breach that the position corresponds for it is fixed through locking part to hold the pipe shaft left side crown plate, right crown plate, the power rotating cage comprises the transmission arc piece of symmetry and a plurality of gangbars of setting between the two, at least one side transmission arc piece edge has the arc rack, and its gear train cooperation of being connected with the motor makes the power rotating cage follow rotation in the track of left crown plate and/or right crown plate inboard, set up the platform that is used for fixed welder on the power rotating cage.
2. The full position automatic welding device according to claim 1, wherein: the gear set comprises a driving gear, a left driven gear and a right driven gear which are connected through a toothed chain respectively, and at least one of the left driven gear and the right driven gear is meshed with the arc-shaped rack on the transmission arc piece in the rotating process of the power rotating cage.
3. The full position automatic welding device according to claim 2, characterized in that: the driving gear is located the upper portion of left crown plate or right crown plate, the below of driving gear sets up a plurality of tensioning gears, left driven gear, right driven gear symmetry set up in the both sides of driving gear, the closed encircleing of tooth chain driving gear, left driven gear, tensioning gear and right driven gear.
4. The full position automatic welding device according to claim 1, wherein: the platform on the power rotating cage is arranged on the linkage rod or on the ball screw, and two ends of the ball screw are respectively connected with the transmission arc pieces.
5. An all-position automatic welding device according to claim 1 or 4, characterized in that: the welding gun welding platform is characterized in that a cross-shaped mechanical arm is arranged in the platform, the cross-shaped mechanical arm comprises an axial guide rail and a radial guide rail which are mutually and vertically connected, and the welding gun is fixed in a sliding block of the axial guide rail or the radial guide rail.
6. The full position automatic welding device according to claim 1, wherein: the track positioned on the inner side of the left ring plate and/or the right ring plate is an annular flange the surface of which is provided with a groove, and the groove is matched with a slide bar arranged on the edge of the transmission arc sheet; or the track is a rotating wheel which is arranged on the inner side surface of the left annular plate and/or the right annular plate and is connected with the left annular plate and/or the right annular plate through a plurality of bolts, and a clamping groove in the surface of the rotating wheel is matched with a sliding strip arranged on the edge of the transmission arc piece.
7. An all-position automatic welding device according to claim 6, characterized in that: the annular flanges are distributed in an intermittent manner and are distributed in sliding grooves which are radially arranged along the left annular plate and/or the right annular plate; or the rotating wheel is eccentrically connected with the bolt.
8. The full position automatic welding device according to claim 1, wherein: the power rotating cage platform is characterized by further comprising a PLC and a speed reducer, wherein the PLC is electrically connected with a welding gun on the power rotating cage platform and comprises a control panel, and a switch button and a speed regulation knob are arranged on the control panel.
9. The full position automatic welding device according to claim 1, wherein: the locking component for fixing the left ring plate, the right ring plate and the pipe body comprises a plurality of screws or pneumatic push rods arranged along the radial direction of the left ring plate and the right ring plate, and pressing blocks are arranged at the end parts of the screws or the pneumatic push rods.
10. The full position automatic welding device according to claim 1, wherein: the frame is made by the section bar, and its structure includes top frame and the stand of setting in its four corners, the outside of left side ring board and right ring board respectively through the crossbeam with the stand is connected, the frame top sets up rings or top frame both sides set up and lifts the thick stick.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123370318.3U CN216758809U (en) | 2021-12-30 | 2021-12-30 | All-position automatic welding device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123370318.3U CN216758809U (en) | 2021-12-30 | 2021-12-30 | All-position automatic welding device |
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| CN216758809U true CN216758809U (en) | 2022-06-17 |
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| CN202123370318.3U Active CN216758809U (en) | 2021-12-30 | 2021-12-30 | All-position automatic welding device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116890191A (en) * | 2023-07-12 | 2023-10-17 | 中国五冶集团有限公司 | Steel structure guide rail type all-position welding device |
-
2021
- 2021-12-30 CN CN202123370318.3U patent/CN216758809U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116890191A (en) * | 2023-07-12 | 2023-10-17 | 中国五冶集团有限公司 | Steel structure guide rail type all-position welding device |
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