CN117161672A - Rotating mechanism for automatic welding of bent catheter and using method thereof - Google Patents
Rotating mechanism for automatic welding of bent catheter and using method thereof Download PDFInfo
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- CN117161672A CN117161672A CN202311104930.7A CN202311104930A CN117161672A CN 117161672 A CN117161672 A CN 117161672A CN 202311104930 A CN202311104930 A CN 202311104930A CN 117161672 A CN117161672 A CN 117161672A
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- 238000003466 welding Methods 0.000 title claims abstract description 59
- 238000000034 method Methods 0.000 title claims abstract description 13
- 238000005452 bending Methods 0.000 claims description 24
- 230000005540 biological transmission Effects 0.000 claims description 6
- 230000000149 penetrating effect Effects 0.000 claims description 5
- 230000009286 beneficial effect Effects 0.000 description 8
- 230000001105 regulatory effect Effects 0.000 description 4
- 230000003044 adaptive effect Effects 0.000 description 2
- 229910000838 Al alloy Inorganic materials 0.000 description 1
- 229910001069 Ti alloy Inorganic materials 0.000 description 1
- 229910045601 alloy Inorganic materials 0.000 description 1
- 239000000956 alloy Substances 0.000 description 1
- 238000010923 batch production Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
Abstract
The invention discloses a rotating mechanism for automatic welding of a bent catheter and a using method thereof, the rotating mechanism comprises a workbench, a disc with a vertical rotating surface is arranged on the workbench, the disc is rotationally connected with a driving motor, one side of the disc is provided with a groove, and the groove is provided with a circular seam centering mechanism for limiting the bent catheter and enabling a circular seam of the bent catheter to be coaxial with the disc and a clamping mechanism for fixing the bent catheter; according to the scheme, the circular seam of the bent catheter can be placed with the disc coaxially through the circular seam centering mechanism, the middle section of the bent catheter is clamped and fixed through the clamping mechanism, the circular seam centering mechanism is removed at the moment, the circular seam of the bent catheter is still coaxial with the disc, the driving motor can drive the bent catheter to rotate along the axis of the circular seam port of the bent catheter, so that the circular seam of the bent catheter is matched with an external welding gun, and other equipment which interferes with the welding gun does not exist at the circular seam, so that the rotating welding of the bent catheter is realized.
Description
Technical Field
The invention relates to the technical field of automatic welding of aerospace bent catheters, in particular to a rotating mechanism for automatic welding of a bent catheter and a using method thereof.
Background
At present, in the aerospace field, the number of parts of the catheter is large, the structure is complex, the catheter presents a mode of multiple varieties and small-batch production, the catheter mainly comprises aluminum alloy, high-temperature alloy, stainless steel, titanium alloy and other materials, the diameter of the catheter is concentrated at phi 6-phi 150mm, and the wall thickness is 1-2mm. The weld joint is mainly a circular seam, and the bent guide pipe is easy to interfere with equipment, so that the guide pipe is relatively backward in the field of automatic welding, and the welding of the aerospace guide pipe is still mainly manual welding. The manual welding of the guide pipe requires manual welding and rotating of the guide pipe, and a girth weld can be welded only by 2-4 times, so that the problems of more lap joint positions, poor consistency of weld forming and weld quality are particularly outstanding, and the yield is low.
At present, the automatic welding of the guide pipe in the industry mainly comprises two methods of a pipe-pipe automatic welding machine and a mechanical arm and position changing machine combination; the pipe-pipe automatic welder can perform all-position welding on the pipe circumferential weld, but the equipment cannot clamp the pipe with a shorter straight line segment at the circumferential weld position, and is expensive; the related device disclosed in the Chinese patent publication No. CN111451601A also has the problem that the linear section at the similar welding line position is shorter, so that clamping cannot be performed; the conventional automatic welding mode of the mechanical arm and the position shifter is easy to interfere with the position shifter and the mechanical arm in the automatic welding process, so that the automatic welding cannot be performed, and only a simple guide pipe can be welded in the automatic welding mode.
Disclosure of Invention
Aiming at the defects in the prior art, the invention provides a rotating mechanism for automatic welding of a bent catheter and a using method thereof, and solves the problems that the bent catheter is difficult to clamp and easy to interfere with equipment when being subjected to girth welding.
In order to achieve the above purpose, the technical scheme adopted by the invention is as follows:
in a first aspect, a rotary mechanism for automatic welding of a curved conduit is provided, which comprises a workbench, wherein a disc with a vertical rotating surface is arranged on the workbench, the disc is rotationally connected with a driving motor, a groove is arranged on one side of the disc, and a circular seam centering mechanism for limiting the curved conduit and enabling a circular seam of the curved conduit to be coaxial with the disc and a clamping mechanism for fixing the curved conduit are arranged on the groove.
The beneficial effects of adopting above-mentioned technical scheme are: according to the scheme, the circular seam of the bent catheter can be placed with the disc coaxially through the circular seam centering mechanism, the middle section of the bent catheter is clamped and fixed through the clamping mechanism, the circular seam centering mechanism is removed at the moment, the circular seam of the bent catheter is still coaxial with the disc, the driving motor can drive the bent catheter to rotate along the axis of the circular seam port of the bent catheter, so that the circular seam of the bent catheter is matched with an external welding gun, and other equipment which interferes with the welding gun does not exist at the circular seam, so that the rotating welding of the bent catheter is realized.
Further, the circular seam centering mechanism comprises a first bottom plate detachably fixed on the groove through bolts, the first bottom plate is connected with one end of a first supporting rod, the other end of the first supporting rod is provided with a pipe clamping device for clamping a circular seam port of a bent catheter, and the clamping surface of the pipe clamping device is parallel to the disc.
The beneficial effects of adopting above-mentioned technical scheme are: through the dismouting and the elasticity regulation of bolt, can realize the position control of first bottom plate on the recess to the projection position of clamp pipe ware on the disc on the adjustment girth centering mechanism, in order to guarantee crooked pipe girth and disc coaxial line setting.
Further, the fixture comprises a second bottom plate detachably fixed on the groove through a bolt, the second bottom plate is connected with one end of a second supporting rod, an adjusting block is movably arranged on the second supporting rod, a clamping arm convenient for adjusting an angle is arranged on the adjusting block, and a pipe clamping device used for clamping the middle section of the bent pipe is arranged at the front end of the clamping arm.
The beneficial effects of adopting above-mentioned technical scheme are: the clamping mechanism can carry out adaptive position adjustment on the groove according to the shape of the bent catheter, and meanwhile, the adjusting block and the clamping arm can realize the position and the angle adjustment of the pipe clamping device in the three-dimensional space, so that the pipe clamping device on the clamping mechanism can clamp and fix the middle section of the bent catheter.
Further, be provided with first trepanning and the second trepanning that are used for overlapping respectively establish second bracing piece and centre gripping arm on the regulating block, one side in first trepanning and second trepanning all is provided with the opening, is provided with through open-ended locking hole on the regulating block.
The beneficial effects of adopting above-mentioned technical scheme are: through set up the locking bolt on the locking hole, can lock the regulating block respectively on second bracing piece and centre gripping arm, also can realize the regulation of the relative position of regulating block respectively with second bracing piece and centre gripping arm simultaneously, its simple structure, the simple operation is favorable to pressing from both sides the position and the angle adjustment of pipe ware in three-dimensional space.
Further, the pipe clamping device comprises a fixed block, the fixed block is fixedly provided with a movable block through bolts, two semicircular grooves which are symmetrical to each other are formed in the close ends of the fixed block and the movable block, and the bent catheter is clamped and fixed between the two semicircular grooves.
The beneficial effects of adopting above-mentioned technical scheme are: the technical scheme is that the clamping device is a first implementation mode of the pipe clamping device, and clamping and fixing of the bent pipe corresponding to the size can be achieved through clamping and matching of the two semicircular grooves of the fixed block and the movable block.
Further, the pipe clamping device comprises a mounting frame, a first clamping block and a second clamping block which are used for clamping the bent guide pipe are arranged on the mounting frame, the first clamping block is fixedly connected with the mounting frame, a screw rod is arranged on the mounting frame in a penetrating mode, symmetrical positive external threads and reverse external threads are arranged on the screw rod, sliding blocks which are matched with the positive external threads and the reverse external threads are arranged on the screw rod respectively, one sides of the two sliding blocks are connected with two sides, far away from one end of the first clamping block, of the second clamping block through connecting rods respectively, two ends of the connecting rods are hinged with the sliding blocks and the second clamping block respectively, the first clamping block and the second clamping block are arranged in a staggered mode, two opposite V-shaped grooves are formed in the close ends of the first clamping block and the second clamping block, and the bent guide pipe is clamped and fixed between the two V-shaped grooves.
The beneficial effects of adopting above-mentioned technical scheme are: the second implementation mode of the pipe clamping device is characterized in that clamping fixing of bent pipes with different sizes can be achieved through clamping fit of two staggered V-shaped grooves, when the pipe clamping device is used, two sliding blocks can be driven to move in opposite directions or in opposite directions on the screw rod through forward or reverse rotation of the screw rod, the two sliding blocks can push or pull the second clamping block to be close to or far away from the first clamping block through the connecting rod, so that the pipe clamping device can clamp and fix and loosen the bent pipes, and meanwhile stable clamping of the bent pipes is achieved through self-locking performance of the sliding blocks and the screw rod.
Further, the grooves are strip-shaped grooves with T-shaped sections, two parallel grooves are formed in one side of the disc, and the shortest distances between the two grooves and the circle center are equal, so that the positions of the first bottom plate and the second bottom plate can be adjusted in the radial direction of the disc; the disc is provided with scale marks parallel to the extending direction of the grooves, so that the adjusting distance of the first bottom plate can be controlled conveniently.
Further, a vertical bearing is arranged on the workbench, the bearing comprises a rotating outer circle and a rotating inner circle, the rotating outer circle is fixed on the workbench, the disc is arranged on the rotating inner circle, a wheel shaft is arranged at the circle center of one side, far away from the guide rail, of the disc, and the wheel shaft is in transmission connection with a rotating shaft of the driving motor through a transmission belt.
The beneficial effects of adopting above-mentioned technical scheme are:
in a second aspect, a method of using a rotary mechanism for automated welding of curved conduits is provided, comprising the steps of:
s1: clamping the circular seam port of the bent catheter through the circular seam centering mechanism, and adjusting the position of the circular seam centering mechanism until the circular seam of the bent catheter is coaxial with the disc;
s2: on the premise of keeping the bending catheter fixed, the middle section of the bending catheter is clamped and fixed through the clamping mechanism;
s3: removing the circular seam centering mechanism on the premise of keeping the bending catheter fixed, and reserving a space for matching and welding the circular seam and an external welding gun;
s4: and starting the driving motor to drive the circumferential seam port of the bent catheter to rotate along the axis of the circumferential seam port, and matching the circumferential seam port with an external welding gun to weld the circumferential seam of the bent catheter.
Further, the position adjusting method of the circular seam centering mechanism comprises the following steps: the distance from the center of the circular seam of the bent catheter on the clamping surface to the connecting end of the pipe clamping device and the first supporting rod is measured and determined, and then the relative distance between the two ends of the first supporting rod and the disk is combined, so that the adjusting distance between the first bottom plate and the center of the disk is determined.
The beneficial effects of the invention are as follows:
according to the scheme, the circular seam centering mechanism is used for centering the circular seam of the bent catheter, and the middle section or other positions of the bent catheter are clamped by the clamping mechanism for rotary welding, so that the circular seam welding device is simple in structure, low in cost, convenient to operate and high in practicability, is suitable for automatic welding of the bent catheter when the direct section of the circular seam is short, and solves the problems that the bent catheter is difficult to clamp and equipment interference is easy to occur when the circular seam welding is carried out; meanwhile, the flexibility of the scheme is strong, if the straight line segment at the circular seam of the bent catheter is longer, the circular seam centering mechanism can be directly used for centering and clamping the bent catheter, and then rotation and welding are performed.
Drawings
Fig. 1 is a first schematic structural view of the rotating mechanism according to the present embodiment.
Fig. 2 is a second schematic structural view of the rotating mechanism according to the present embodiment.
Fig. 3 is a schematic structural view of the circumferential seam centering mechanism.
Fig. 4 is a schematic structural view of the clamping mechanism.
Fig. 5 is a schematic view of a second embodiment of a tube gripper.
The device comprises a workbench, a disc, a groove, a 4, a circular seam centering mechanism, a 5, a clamping mechanism, a 6, a first bottom plate, a 7, a first supporting rod, a 8, a pipe clamping device, a 9, a second bottom plate, a 10, a second supporting rod, a 11, an adjusting block, a 12, a clamping arm, a 13, a first sleeve hole, a 14, a second sleeve hole, a 15, an opening, a 16, a locking hole, a 17, a fixed block, a 18, a movable block, a 19, a semicircular groove, a 20, a mounting rack, a 21, a first clamping block, a 22, a second clamping block, a 23, a screw, a 24, a sliding block, a 25, a connecting rod, a 26, a V-shaped groove, a 27, a guide rail, a 28, a rotating disc, a 29, a rotating outer circle, a 30, a rotating inner circle, a 31, a wheel axle, a 32, a driving belt, a 33, a driving motor, a 34, a bending guide pipe, a 35 and a circular seam port.
Detailed Description
The following description of the embodiments of the present invention is provided to facilitate understanding of the present invention by those skilled in the art, but it should be understood that the present invention is not limited to the scope of the embodiments, and all the inventions which make use of the inventive concept are protected by the spirit and scope of the present invention as defined and defined in the appended claims to those skilled in the art.
Example 1
As shown in fig. 1 and 2, the rotating mechanism for automatic welding of a bent catheter in the scheme comprises a workbench 1, wherein a vertical bearing is arranged on the workbench 1, the bearing comprises a rotating outer circle 29 and a rotating inner circle 30, the rotating outer circle 29 is fixed on the workbench 1, a circular disc 2 with a vertical rotating surface is arranged on the rotating inner circle 30, a wheel shaft 31 is arranged at the circle center of one side of the circular disc 2, the wheel shaft 31 is in transmission connection with a rotating shaft of a driving motor 33 through a transmission belt 32, a groove 3 is arranged on the other side of the circular disc 2, and a circular seam centering mechanism 4 and a clamping mechanism 5 are arranged on the groove 3.
According to the scheme, the circular seam of the bending guide pipe 34 can be placed coaxially with the disc 2 through the circular seam centering mechanism 4, the middle section of the bending guide pipe 34 is clamped and fixed through the clamping mechanism 5, the circular seam centering mechanism 4 is removed at the moment, the circular seam of the bending guide pipe 34 is still coaxial with the disc 2, the driving motor 33 can drive the bending guide pipe 34 to rotate along the axis of the circular seam port 35 of the bending guide pipe 34 so that the circular seam of the bending guide pipe 34 is matched with an external welding gun, and other equipment for interference welding gun does not exist at the circular seam, so that the rotary welding of the bending guide pipe 34 is realized.
Example 2
As shown in fig. 3, the embodiment provides a specific scheme of the circular seam centering mechanism 4 on the basis of embodiment 1, the circular seam centering mechanism 4 comprises a first bottom plate 6 detachably fixed on the groove 3 through bolts, the first bottom plate 6 is connected with one end of a first supporting rod 7, the other end of the first supporting rod 7 is provided with a pipe clamping device 8 for clamping a circular seam port 35 of a bending conduit 34, and the clamping surface of the pipe clamping device 8 is parallel to the disc 2; through the dismouting and the elasticity regulation of bolt, can realize the position control of first bottom plate 6 on recess 3 to the projection position of clamp 8 on disc 2 on the adjustment girth centering mechanism 4, in order to guarantee that crooked pipe 34 girth and disc 2 coaxial line set up.
Example 3
As shown in fig. 4, the embodiment provides a specific scheme of the clamping mechanism 5 on the basis of embodiment 1, the clamping mechanism 5 includes a second bottom plate 9 detachably fixed on the groove 3 through bolts, the second bottom plate 9 is connected with one end of a second supporting rod 10, an adjusting block 11 is movably arranged on the second supporting rod 10, a clamping arm 12 convenient for angle adjustment is arranged on the adjusting block 11, a pipe clamping device 8 for clamping the middle section of a bent pipe 34 is arranged at the front end of the clamping arm 12, a first sleeve hole 13 and a second sleeve hole 14 for respectively sleeving the second supporting rod 10 and the clamping arm 12 are arranged on the adjusting block 11, openings 15 are respectively arranged on one sides of the first sleeve hole 13 and the second sleeve hole 14, and locking holes 16 penetrating the openings 15 are arranged on the adjusting block 11.
The clamping mechanism 5 can carry out adaptive position adjustment on the groove 3 according to the shape of the bent catheter 34, the adjusting block 11 can be respectively locked on the second supporting rod 10 and the clamping arm 12 by arranging the locking bolt on the locking hole 16, and meanwhile, the relative positions of the adjusting block 11 and the second supporting rod 10 and the clamping arm 12 can be respectively adjusted.
Example 4
As shown in fig. 3 and fig. 5, the embodiment provides a specific scheme of the pipe clamping device 8 on the basis of embodiment 2 or embodiment 3, and the pipe clamping device 8 in this scheme has two embodiments, and a first embodiment of the pipe clamping device 8 is as follows: the pipe clamp 8 comprises a fixed block 17, a movable block 18 is fixedly arranged on the fixed block 17 through bolts, two semicircular grooves 19 which are symmetrical to each other are formed in the close ends of the fixed block 17 and the movable block 18, and a bent guide pipe 34 is clamped and fixed between the two semicircular grooves 19; the clamping and fixing of the bending guide pipe 34 corresponding to the size can be realized through the clamping and matching of the two semicircular grooves 19 of the fixed block 17 and the movable block 18.
The second embodiment of the tube holder 8 is: the pipe clamping device 8 comprises a mounting frame 20, a first clamping block 21 and a second clamping block 22 for clamping a bent pipe 34 are arranged on the mounting frame 20, the first clamping block 21 is fixedly connected with the mounting frame 20, a screw rod 23 is arranged on the mounting frame 20 in a penetrating mode, symmetrical positive external threads and symmetrical reverse external threads are arranged on the screw rod 23, sliding blocks 24 matched with the positive external threads and the reverse external threads are arranged on the screw rod 23 respectively, one sides of the two sliding blocks 24 are connected with two sides, far away from one end of the first clamping block 21, of the second clamping block 22 respectively through connecting rods 25, two ends of the connecting rods 25 are hinged with the sliding blocks 24 and the second clamping block 22 respectively, the first clamping block 21 and the second clamping block 22 are arranged in a staggered mode, two opposite V-shaped grooves 26 are formed in the close ends of the first clamping block 21 and the second clamping block 22, and the bent pipe 34 is clamped and fixed between the two V-shaped grooves 26.
In particular, the mounting frame 20 is provided with a guide rail 27, and both the sliding blocks 24 are slidably engaged with the guide rail 27 to prevent the sliding blocks 24 from rotating along with the screw rod 23, and a rotating disc 28 is provided at one end of the screw rod 23 for facilitating the rotation of the screw rod 23.
According to the scheme, through the clamping cooperation of the two staggered V-shaped grooves 26, the bending guide pipe 34 with different sizes can be clamped and fixed, during use, the two sliding blocks 24 can be driven to move in opposite directions or in opposite directions on the screw rod 23 through the forward or reverse rotation of the screw rod 23, and the two sliding blocks 24 can push or pull the second clamping block 22 to be close to or far away from the first clamping block 21 through the connecting rod 25, so that the pipe clamping device 8 can clamp and fix and loosen the bending guide pipe 34, and meanwhile, the stable clamping of the bending guide pipe 34 is realized by utilizing the self-locking performance of the matching of the sliding blocks 24 and the screw rod 23.
Example 5
As shown in fig. 1, the embodiment provides a specific scheme of the groove 3 based on embodiment 2 or embodiment 3, the groove 3 is a strip-shaped groove 3 with a T-shaped section, two parallel grooves 3 are arranged on one side of the disc 2, and the shortest distances from the two grooves 3 to the center of a circle are equal, so that the first bottom plate 6 and the second bottom plate 9 can perform position adjustment in the radial direction of the disc 2; the disc 2 is provided with graduation marks parallel to the extending direction of the groove 3 so as to control the adjustment distance of the first bottom plate 6.
In combination with embodiments 1-5 above, a method of using a rotary mechanism for automated welding of curved conduits is provided, comprising the steps of:
s1: clamping the circular seam port 35 of the bent catheter 34 by the pipe clamping device 8 on the circular seam centering mechanism 4, and adjusting the position of the circular seam centering mechanism 4 until the circular seam of the bent catheter 34 is coaxial with the disc 2; the position adjustment method of the circular seam centering mechanism 4 comprises the following steps: the distance from the center of the circular seam of the bent guide pipe 34 on the clamping surface to the connecting end of the pipe clamping device 8 and the first supporting rod 7 is measured and determined, and then the adjusting distance between the first bottom plate 6 and the center of the disc 2 is determined by combining the relative distance of the two ends of the first supporting rod 7 projected on the disc 2;
s2: on the premise of keeping the bending conduit 34 fixed, the middle section of the bending conduit 34 is clamped and fixed by the clamping mechanism 5;
s3: removing the circular seam centering mechanism 4 on the premise of keeping the bending catheter 34 fixed, and reserving a space for matching and welding the circular seam and an external welding gun;
s4: the driving motor 33 is started to drive the circumferential seam port 35 of the bending guide pipe 34 to rotate along the axis of the circumferential seam port, and the circumferential seam port is matched with an external welding gun to weld the circumferential seam of the bending guide pipe 34.
In summary, this scheme utilizes circular seam centering mechanism 4 to carry out rotation welding processing with the circular seam centering of crooked pipe 34, rethread fixture 5 centre gripping pipe middle section or other positions, its simple structure, low cost, and simple operation, practicality are strong, are applicable to the crooked pipe 34 that the direct section of circular seam is shorter and carry out automated welding, have solved crooked pipe 34 and are difficult to the centre gripping and the problem that easily equipment interferes when carrying out circular seam welding.
Claims (10)
1. The rotary mechanism for automatic welding of the bent catheter is characterized by comprising a workbench, wherein a disc with a vertical rotating surface is arranged on the workbench, the disc is rotationally connected with a driving motor, a groove is formed in one side of the disc, and a circular seam centering mechanism for limiting the bent catheter and enabling a circular seam of the bent catheter to be coaxial with the disc and a clamping mechanism for fixing the bent catheter are arranged on the groove.
2. The rotating mechanism for automatic welding of a bent catheter according to claim 1, wherein the circular seam centering mechanism comprises a first bottom plate detachably fixed on the groove through bolts, the first bottom plate is connected with one end of a first supporting rod, the other end of the first supporting rod is provided with a pipe clamping device for clamping a circular seam port of the bent catheter, and a clamping surface of the pipe clamping device is parallel to the disc.
3. The rotating mechanism for automatic welding of a bent catheter according to claim 1, wherein the clamping mechanism comprises a second bottom plate detachably fixed on the groove through bolts, the second bottom plate is connected with one end of a second supporting rod, an adjusting block is movably arranged on the second supporting rod, a clamping arm which is convenient for adjusting an angle is arranged on the adjusting block, and a pipe clamping device for clamping the middle section of the bent catheter is arranged at the front end of the clamping arm.
4. The rotating mechanism for automatic welding of bent catheter according to claim 3, wherein the adjusting block is provided with a first sleeve hole and a second sleeve hole for respectively sleeving the second supporting rod and the clamping arm, one side of each of the first sleeve hole and the second sleeve hole is provided with an opening, and the adjusting block is provided with a locking hole penetrating through the opening.
5. A rotary mechanism for automatic welding of a bent catheter according to claim 2 or 3, wherein the tube holder comprises a fixed block, the fixed block is fixedly provided with a movable block through bolts, two semicircular grooves which are symmetrical to each other are arranged at the approaching ends of the fixed block and the movable block, and the bent catheter is clamped and fixed between the two semicircular grooves.
6. The rotating mechanism for automatic welding of a bent catheter according to claim 2 or 3, wherein the tube clamping device comprises a mounting frame, a first clamping block and a second clamping block for clamping the bent catheter are arranged on the mounting frame, the first clamping block is fixedly connected with the mounting frame, a screw rod is arranged on the mounting frame in a penetrating manner, symmetrical positive external threads and symmetrical reverse external threads are arranged on the screw rod, sliding blocks matched with the positive external threads and the reverse external threads are arranged on the screw rod respectively, one sides of the two sliding blocks are respectively connected with two sides of one end, far away from the first clamping block, of the second clamping block through connecting rods, two ends of the connecting rods are respectively hinged with the sliding blocks and the second clamping block, the first clamping block and the second clamping block are arranged in a staggered manner, two opposite V-shaped grooves are formed in the approaching ends of the first clamping block and the second clamping block, and the bent catheter is clamped and fixed between the two V-shaped grooves.
7. A rotary mechanism for automatic welding of bent pipes according to claim 2 or 3, wherein the grooves are strip-shaped grooves with a T-shaped cross section, two parallel grooves are arranged on one side of the disc, the shortest distances from the two grooves to the circle center are equal, and graduation lines parallel to the extending direction of the grooves are arranged on the disc.
8. The rotating mechanism for automatic welding of bent pipes according to claim 1, wherein a vertical bearing is arranged on the workbench, the bearing comprises a rotating outer circle and a rotating inner circle, the rotating outer circle is fixed on the workbench, the disc is arranged on the rotating inner circle, an axle is arranged at the center of a circle of one side of the disc, which is far away from the guide rail, and the axle is in transmission connection with a rotating shaft of the driving motor through a transmission belt.
9. Use of a rotary mechanism for automated welding of curved conduits according to any of claims 1-8, characterized in that it comprises the steps of:
s1: clamping the circular seam port of the bent catheter through the circular seam centering mechanism, and adjusting the position of the circular seam centering mechanism until the circular seam of the bent catheter is coaxial with the disc;
s2: on the premise of keeping the bending catheter fixed, the middle section of the bending catheter is clamped and fixed through the clamping mechanism;
s3: removing the circular seam centering mechanism on the premise of keeping the bending catheter fixed, and reserving a space for matching and welding the circular seam and an external welding gun;
s4: and starting the driving motor to drive the circumferential seam port of the bent catheter to rotate along the axis of the circumferential seam port, and matching the circumferential seam port with an external welding gun to weld the circumferential seam of the bent catheter.
10. The method of use of claim 9, wherein the method of adjusting the position of the circumferential seam centering mechanism comprises: the distance from the center of the circular seam of the bent catheter on the clamping surface to the connecting end of the pipe clamping device and the first supporting rod is measured and determined, and then the relative distance between the two ends of the first supporting rod and the disk is combined, so that the adjusting distance between the first bottom plate and the center of the disk is determined.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311104930.7A CN117161672A (en) | 2023-08-29 | 2023-08-29 | Rotating mechanism for automatic welding of bent catheter and using method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311104930.7A CN117161672A (en) | 2023-08-29 | 2023-08-29 | Rotating mechanism for automatic welding of bent catheter and using method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN117161672A true CN117161672A (en) | 2023-12-05 |
Family
ID=88936904
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202311104930.7A Pending CN117161672A (en) | 2023-08-29 | 2023-08-29 | Rotating mechanism for automatic welding of bent catheter and using method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN117161672A (en) |
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2023
- 2023-08-29 CN CN202311104930.7A patent/CN117161672A/en active Pending
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