CN117340435B - Circumferential laser welding equipment for annular pipe fitting - Google Patents
Circumferential laser welding equipment for annular pipe fitting Download PDFInfo
- Publication number
- CN117340435B CN117340435B CN202311659731.2A CN202311659731A CN117340435B CN 117340435 B CN117340435 B CN 117340435B CN 202311659731 A CN202311659731 A CN 202311659731A CN 117340435 B CN117340435 B CN 117340435B
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- Prior art keywords
- rod
- sliding
- annular pipe
- pipe fitting
- laser welding
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- 238000003466 welding Methods 0.000 title claims abstract description 82
- 238000009434 installation Methods 0.000 claims description 54
- 230000005540 biological transmission Effects 0.000 claims description 41
- 230000006835 compression Effects 0.000 claims description 22
- 238000007906 compression Methods 0.000 claims description 22
- 238000000034 method Methods 0.000 abstract description 6
- 238000010030 laminating Methods 0.000 abstract description 2
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000005476 soldering Methods 0.000 description 2
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000000741 silica gel Substances 0.000 description 1
- 229910002027 silica gel Inorganic materials 0.000 description 1
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
- B23K26/00—Working by laser beam, e.g. welding, cutting or boring
- B23K26/20—Bonding
- B23K26/21—Bonding by welding
-
- 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
- B23K26/00—Working by laser beam, e.g. welding, cutting or boring
- B23K26/08—Devices involving relative movement between laser beam and workpiece
- B23K26/0823—Devices involving rotation of the workpiece
-
- 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
- B23K26/00—Working by laser beam, e.g. welding, cutting or boring
- B23K26/70—Auxiliary operations or equipment
- B23K26/702—Auxiliary equipment
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/10—Greenhouse gas [GHG] capture, material saving, heat recovery or other energy efficient measures, e.g. motor control, characterised by manufacturing processes, e.g. for rolling metal or metal working
Abstract
The utility model is applicable to the technical field of laser welding, and provides annular pipe fitting circumferential laser welding equipment, which comprises a bottom plate, wherein a vertical plate is arranged on the bottom plate, a laser welding head is arranged on the vertical plate, and the annular pipe fitting circumferential laser welding equipment further comprises: the device comprises a rotating main shaft, a center correcting mechanism, a laminating mechanism and a rotating assembly; the rotating main shaft is rotationally connected to the vertical plate, a servo motor is arranged on the vertical plate, and the rotating end of the servo motor is connected with the rotating main shaft; install the mounting disc on the rotation main shaft, rotate on the mounting disc and be connected with four station discs. The workman only need with wait welded annular pipe fitting place on the bracing piece to and with the annular pipe fitting after the welding take off from the bracing piece can, and annular pipe fitting's placement accuracy is low, is convenient for place annular pipe fitting, can realize annular pipe fitting position's automatic calibration in the equipment operation process, realizes annular pipe fitting's automatic weld, improves annular pipe fitting's welding efficiency and welding quality.
Description
Technical Field
The utility model belongs to the technical field of laser welding, and particularly relates to circumferential laser welding equipment for annular pipe fittings.
Background
Laser welding is a highly efficient and precise welding method that uses a laser beam of high energy density as a heat source. Laser welding is one of the important aspects of laser material processing technology applications.
The welding device for the flange plate is commonly used for welding pipe fittings, such as welding pipe joints and the flange plate, is disclosed in the prior Chinese patent (CN 219945039U), when the flange plate is welded, the flange plate is placed between two clamping plates, a double-head cylinder is started, the double-head cylinder drives the clamping plates to approach the flange plate through a mounting block until the clamping plates are fixed, after the clamping plates are fixed, a welding gun is driven to descend through an electric telescopic rod so as to enable the welding gun to be in contact with the flange plate, soldering tin in the welding gun is coated on the flange plate, the rotating assembly drives the flange plate to rotate, soldering tin is uniformly coated on the circumference of the welding gun, and when welding operation is required to be carried out on the flange plates with different specifications, the clamping plates with different specifications need to be replaced.
The above method can complete the welding of the annular pipe fitting, but cannot perform continuous welding, and cannot perform welding operation when the annular pipe fitting is installed or replaced, and can perform welding on the annular pipe fitting with different diameter specifications, but requires replacement of clamping plates with different specifications, and a great deal of time is consumed for replacing the clamping plates, so that the welding efficiency of the annular pipe fitting is low.
Disclosure of Invention
The embodiment of the utility model aims to provide circumferential laser welding equipment for annular pipe fittings, and aims to solve the problem that the conventional annular pipe fitting welding device cannot perform continuous welding and cannot perform welding operation when the annular pipe fittings are installed or replaced.
The utility model is realized in such a way that the circumferential laser welding equipment for the annular pipe fitting comprises a bottom plate, wherein a vertical plate is arranged on the bottom plate, and a laser welding head is arranged on the vertical plate, and the equipment further comprises:
the device comprises a rotating main shaft, a center correcting mechanism, a laminating mechanism and a rotating assembly;
the rotating main shaft is rotationally connected to the vertical plate, a servo motor is arranged on the vertical plate, and the rotating end of the servo motor is connected with the rotating main shaft;
the installation disc is arranged on the rotating main shaft and is rotationally connected with four station discs;
the mounting plate is provided with a supporting rod, three first mounting sliding grooves are uniformly formed in the side wall of the supporting rod in an annular mode, and the first mounting sliding grooves are connected with a correcting block in a sliding mode;
the center correcting mechanism is arranged on the supporting rod and drives the three correcting blocks to synchronously extend out or retract into the first mounting chute in a manner of rotating the mounting disc;
a second installation chute is formed in one end, far away from the station disc, of the support rod, a moving rod is connected to the second installation chute in a sliding mode, and two baffles are movably connected to the moving rod;
the attaching mechanism is arranged on the vertical plate, and drives the moving rod to move on the second installation chute in a manner of rotating the installation disc and drives the baffle plate to extend out of or retract into the moving rod;
the rotating assembly is arranged on the vertical plate, and the rotating assembly drives the four station plates to rotate in sequence in a mode of rotating the mounting plate.
According to a further technical scheme, the center correcting mechanism comprises a first sliding rod, a pushing rod, a first reset pressure spring and a moving assembly;
the support rod is provided with a first sliding groove, the first sliding rod is connected to the first sliding groove in a sliding way, the support rod is provided with a first avoiding groove communicated with the first installation sliding groove and the first sliding groove, the push rod is arranged in the first avoiding groove, and two ends of the push rod are respectively connected with the return block and the first sliding rod in a rotating way;
the first reset pressure spring is arranged in the first installation chute, the moving assembly is arranged on the supporting rod, and the moving assembly drives the first sliding rod to intermittently move in a manner of rotating through the installation disc.
According to a further technical scheme, the moving assembly comprises a first pressure spring, a second sliding rod and a fixed ring;
the support rod is provided with a second sliding groove communicated with the first sliding groove, the second sliding rod is connected to the second sliding groove in a sliding manner, and the second sliding rod penetrates through the mounting disc;
the first pressure spring is arranged in the first sliding groove, the fixed ring is arranged on the vertical plate, and the fixed ring is provided with a protruding pushing part.
According to a further technical scheme, a third sliding groove is formed in the second sliding rod, one end of the first sliding rod is connected to the third sliding groove in a sliding mode, and a second pressure spring is arranged in the third sliding groove.
According to a further technical scheme, the support rod is provided with a safety assembly, and the safety assembly comprises a second fixed push rod, a first guide sliding block, a second guide sliding block, a fourth pressure spring, a meshing tooth, a fifth pressure spring and a ratchet bar;
the ratchet bar is embedded on the side wall of the first sliding rod, a second guide sliding groove is formed in the supporting rod, the first guide sliding block is connected to the second guide sliding groove in a sliding mode, and the fifth pressure spring is arranged in the first guide sliding block;
the first guide sliding block is provided with a third guide sliding groove, the second guide sliding block is connected to the third guide sliding groove in a sliding manner, the fourth pressure spring is arranged in the third guide sliding groove, and the meshing teeth are arranged on the second guide sliding block;
the second fixed push rod is installed on the movable rod, a second avoiding groove for avoiding the second fixed push rod is formed in the support rod, the second avoiding groove is communicated with the second guide chute, and the contact surface of the second fixed push rod and the first guide slide block is an inclined surface.
According to a further technical scheme, the attaching mechanism comprises a third pressure spring, an arc-shaped pushing block and a transmission assembly;
the third pressure spring is arranged in the second installation chute, a transverse plate is arranged on the vertical plate, a vertical plate is arranged on the transverse plate, and the arc-shaped pushing block is arranged on the vertical plate;
the transmission assembly is arranged on the movable rod, and drives the baffle plate to extend out of or retract into the movable rod in a mode that the movable rod moves on the second installation chute.
According to a further technical scheme, the transmission assembly comprises a second reset pressure spring and a first fixed push rod;
the movable rod is provided with a third installation chute, the second reset pressure spring is arranged in the third installation chute, and the baffle is connected to the third installation chute in a sliding way;
the first fixed push rod is installed in the second installation chute, a sinking groove is formed in the movable rod, the baffle plate and the first fixed push rod extend into the sinking groove, a first pushing inclined plane is formed in the end portion of the first fixed push rod, and a second pushing inclined plane matched with the first pushing inclined plane is arranged on the baffle plate.
Further technical scheme, be provided with first direction spout on the diaphragm, riser sliding connection is on first direction spout, rotate on the first direction spout and be connected with accommodate the lead screw, accommodate the lead screw and riser threaded connection, the hand wheel is installed to accommodate the end of lead screw.
According to a further technical scheme, the rotating assembly comprises a transmission shaft, an elastic transmission wheel and a second motor;
the transmission shaft is rotatably connected to the vertical plate, the elastic transmission wheel is installed on the transmission shaft, the second motor is installed on the vertical plate, and the rotating end of the second motor is connected with the transmission shaft.
Compared with the prior art, the utility model has the beneficial effects that:
according to the circumferential laser welding equipment for the annular pipe fittings, workers place the annular pipe fittings (cylindrical and annular pipe fittings) to be welded on the supporting rod far away from the laser welding head, the servo motor drives the rotating main shaft to rotate by one quarter of circle, the rotating main shaft drives the mounting plate to rotate by one quarter of circle, the mounting plate drives the four station plates to perform one-time station switching, the central aligning mechanism drives the three aligning blocks to synchronously extend out of the first mounting sliding groove in a manner of rotating the mounting plate, the three aligning blocks support the inner wall of the annular pipe fittings, axial center lines of the annular pipe fittings to be welded are overlapped, the attaching mechanism drives the moving rod to move on the second mounting sliding groove in a manner of rotating the mounting plate, the extended baffle plate extends out of the moving rod, the length of the baffle plate is larger than the inner diameter of the annular pipe fittings to be welded, when the moving rod drives the baffle plate to move, the annular pipe fittings to be welded is further driven to move, the annular pipe fittings to be welded are further driven to be attached to the station plate, the annular pipe fittings to be welded are further fixed, the rotating main shaft is driven to rotate by one quarter of circle, the mounting plate drives the four aligning blocks to support the inner wall of the annular pipe fittings to support the annular pipe fittings, the annular pipe fittings to be welded, the axial center line is further rotated by one-time, the moving rod is driven by the moving rod to rotate by one-time, the moving rod is driven to rotate the moving rod to rotate the rotating the moving rod to rotate one-stage to rotate, the annular pipe fittings to perform switching, the welding assembly is further rotate one-time, the rotating work station is further driven to rotate after the rotating is driven to rotate the rotating and is driven to rotate one-station to rotate, and is sequentially to rotate, the movable rod and the baffle reset, and then loosen the annular pipe fitting after the welding, be convenient for take off the annular pipe fitting after the welding, and then accomplish the laser welding of annular pipe fitting, the workman only need place the annular pipe fitting of waiting to weld on the bracing piece to and take off the annular pipe fitting after the welding from the bracing piece can, and annular pipe fitting's placement accuracy is low, is convenient for place annular pipe fitting, can realize the automatic calibration of annular pipe fitting position in the equipment operation process, realizes annular pipe fitting's automatic weld, improves annular pipe fitting's welding efficiency and welding quality.
Drawings
FIG. 1 is a schematic structural view of a circumferential laser welding apparatus for annular pipe fittings provided by the present utility model;
FIG. 2 is a schematic view of the rear side inclination angle of FIG. 1 according to the present utility model;
FIG. 3 is a schematic view illustrating the structure of the bottom tilt angle of FIG. 1 according to the present utility model;
FIG. 4 is a schematic view of a connection structure of the mounting plate of FIG. 1 according to the present utility model;
FIG. 5 is a schematic view of the rear side inclination angle of FIG. 4 according to the present utility model;
FIG. 6 is a schematic view of a connection structure of the support rod of FIG. 4 according to the present utility model;
FIG. 7 is a schematic view of the internal structure of FIG. 6 according to the present utility model;
FIG. 8 is an enlarged schematic view of the structure of FIG. 7A according to the present utility model;
fig. 9 is an enlarged schematic view of the structure B in fig. 7 according to the present utility model.
In the accompanying drawings: the bottom plate 101, the vertical plate 102, the material receiving box 103, the servo motor 104, the rotating main shaft 105, the mounting plate 106, the station plate 107, the supporting rod 108, the moving rod 109, the aligning block 110, the baffle 111, the first mounting chute 112, the second mounting chute 113, the laser welding head 114, the center aligning mechanism 2, the first sliding groove 201, the first sliding rod 202, the first avoidance groove 203, the pushing rod 204, the first restoring pressure spring 205, the moving assembly 3, the first pressure spring 301, the second sliding groove 302, the second sliding rod 303, the fixed ring 304, the pushing part 305, the third sliding groove 401, the second pressure spring 402, the attaching mechanism 5, the third pressure spring 501 the transverse plate 502, the vertical plate 503, the arc-shaped pushing block 504, the first guiding sliding groove 601, the adjusting screw 602, the hand wheel 603, the transmission component 7, the third installation sliding groove 701, the second reset pressure spring 702, the sinking groove 703, the first fixed push rod 704, the first pushing inclined surface 705, the second pushing inclined surface 706, the safety component 8, the second fixed push rod 801, the second guiding sliding groove 802, the first guiding sliding block 803, the third guiding sliding groove 804, the second guiding sliding block 805, the fourth pressure spring 806, the meshing teeth 807, the fifth pressure spring 808, the ratchet rack 809, the second avoiding groove 810, the rotation component 9, the transmission shaft 901, the elastic transmission wheel 902 and the second motor 903.
Detailed Description
The present utility model will be described in further detail with reference to the drawings and examples, in order to make the objects, technical solutions and advantages of the present utility model more apparent. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the utility model.
Specific implementations of the utility model are described in detail below in connection with specific embodiments.
As shown in fig. 1 to 8, the circumferential laser welding apparatus for an annular pipe according to an embodiment of the present utility model includes a base plate 101, a riser 102 and a receiving box 103 are installed on the base plate 101, and a laser welding head 114 is installed on the riser 102, and further includes:
a rotating main shaft 105, a center correcting mechanism 2, a fitting mechanism 5 and a rotating assembly 9;
the rotating main shaft 105 is rotatably connected to the vertical plate 102, a servo motor 104 is installed on the vertical plate 102, and the rotating end of the servo motor 104 is connected with the rotating main shaft 105;
a mounting disc 106 is mounted on the rotating main shaft 105, four station discs 107 are rotatably connected to the mounting disc 106, and the four station discs 107 are uniformly distributed on the mounting disc 106 in a ring shape;
the support rods 108 are arranged on the mounting plate 106, three first mounting sliding grooves 112 are uniformly formed in the side wall of the support rods 108 in an annular shape, and the first mounting sliding grooves 112 are connected with the resetting blocks 110 in a sliding manner;
the center correcting mechanism 2 is arranged on the supporting rod 108, and the center correcting mechanism 2 drives the three correcting blocks 110 to synchronously extend out or retract into the first mounting sliding groove 112 in a rotating mode of the mounting disc 106;
a second installation chute 113 is arranged at one end, far away from the station disc 107, of the support rod 108, a moving rod 109 is connected to the second installation chute 113 in a sliding manner, and two baffles 111 are movably connected to the moving rod 109;
the attaching mechanism 5 is arranged on the vertical plate 102, and the attaching mechanism 5 drives the moving rod 109 to move on the second installation chute 113 in a manner of rotating the installation plate 106 and drives the baffle 111 to extend out of or retract into the moving rod 109;
the rotating assembly 9 is arranged on the vertical plate 102, and the rotating assembly 9 sequentially drives the four station disks 107 to rotate in a mode of rotating through the mounting disk 106.
In the embodiment of the utility model, the laser welding head 114 is connected with the laser welding equipment, the servo motor 104 is electrically connected with a PLC controller, and a program is preset in the PLC controller, so that the servo motor 104 is controlled to intermittently rotate by the PLC controller; when in use, a worker places annular pipe fittings (cylindrical and annular pipe fittings) to be welded on the supporting rod 108 far away from the laser welding head 114, the servo motor 104 drives the rotating main shaft 105 to rotate for a quarter turn, the rotating main shaft 105 drives the mounting disc 106 to rotate for a quarter turn, the mounting disc 106 drives the four station discs 107 to perform one-time station switching, the central correcting mechanism 2 drives the three correcting blocks 110 to synchronously extend out of the first mounting sliding groove 112 in a manner that the mounting disc 106 rotates, the three correcting blocks 110 further support the inner wall of the annular pipe fittings, so that the axial center lines of the annular pipe fittings to be welded are overlapped, the attaching mechanism 5 drives the moving rod 109 to move on the second mounting sliding groove 113 in a manner that the mounting disc 106 rotates, and drives the baffle 111 to extend out of the moving rod 109, the length of the extended baffle 111 is larger than the inner diameter of the annular pipe fittings to be welded, when the moving rod 109 drives the baffle 111 to move, the baffle 111 pushes the annular pipe fitting to be welded to move, the annular pipe fitting to be welded is attached to the station disc 107, the annular pipe fitting to be welded is tightly attached, the annular pipe fitting is fixed, the servo motor 104 drives the rotating main shaft 105 to continuously rotate for a quarter turn, the mounting disc 106 drives the four station discs 107 to perform one-time station switching, the annular pipe fitting to be welded is positioned at a welding station, the rotating assembly 9 drives the station disc 107 to rotate, the station disc 107 drives the supporting rod 108 and the moving rod 109 to rotate, the supporting rod 108 and the moving rod 109 drive the annular pipe fitting to rotate, the laser welding head 114 performs laser welding on the circumferential direction of the annular pipe fitting, after the laser welding of the annular pipe fitting is finished, the servo motor 104 drives the rotating main shaft 105 to continuously rotate for a quarter turn again, the installation dish 106 drives four station dishes 107 and carries out one-time station switching, return to the normal piece 110, movable rod 109 and baffle 111 reset this moment, and then loosen the annular pipe fitting after the welding, be convenient for take off the annular pipe fitting after the welding, and then accomplish the laser welding of annular pipe fitting, the workman only need place the annular pipe fitting that waits to weld on bracing piece 108, and take off the annular pipe fitting after the welding from bracing piece 108 can, and the placement accuracy of annular pipe fitting is low, be convenient for place annular pipe fitting, can realize the automatic calibration of annular pipe fitting position in the equipment operation process, realize the automatic weld of annular pipe fitting, improve annular pipe fitting's welding efficiency and welding quality.
As shown in fig. 4, 5, 6, 7 and 8, as a preferred embodiment of the present utility model, the centering mechanism 2 includes a first slide bar 202, a push bar 204, a first return compression spring 205 and a moving assembly 3;
the support rod 108 is provided with a first sliding groove 201, the first sliding rod 202 is slidably connected to the first sliding groove 201, the support rod 108 is provided with a first avoiding groove 203 communicated with the first installation sliding groove 112 and the first sliding groove 201, the push rod 204 is arranged in the first avoiding groove 203, and two ends of the push rod 204 are respectively and rotatably connected with the return block 110 and the first sliding rod 202;
the first reset pressure spring 205 is disposed in the first installation chute 112, the moving assembly 3 is disposed on the support rod 108, and the moving assembly 3 drives the first sliding rod 202 to intermittently move in a manner of rotating the installation disc 106.
In the embodiment of the utility model, when the moving assembly 3 drives the first sliding rod 202 to move in a manner of rotating the mounting disc 106, the first sliding rod 202 pushes the correcting block 110 through the pushing rod 204, and the correcting block 110 overcomes the elastic force of the first reset pressure spring 205 and extends out of the first mounting chute 112, so that the correcting block 110 is propped against the inner wall of the annular pipe fitting; when the moving assembly 3 drives the first sliding rod 202 to move reversely in a rotating manner through the mounting disc 106, the first sliding rod 202 pulls the correcting block 110 through the pushing rod 204, and then the correcting block 110 is retracted into the first mounting sliding groove 112 under the cooperation of the first reset pressure spring 205.
As shown in fig. 3, 4, 5, 6, 7 and 8, as a preferred embodiment of the present utility model, the moving assembly 3 includes a first compression spring 301, a second sliding rod 303 and a fixed ring 304;
the support rod 108 is provided with a second sliding groove 302 communicated with the first sliding groove 201, the second sliding rod 303 is connected to the second sliding groove 302 in a sliding manner, and the second sliding rod 303 penetrates through the mounting disc 106;
the first compression spring 301 is disposed in the first sliding groove 201, the fixing ring 304 is mounted on the vertical plate 102, and a protruding pushing portion 305 is disposed on the fixing ring 304.
In the embodiment of the present utility model, the mounting disc 106 drives the second sliding rod 303 to revolve around the rotating spindle 105 as the axis, so that the second sliding rod 303 rotates relative to the fixed ring 304, and when the fixed ring 304 contacts with the pushing portion 305, the pushing portion 305 overcomes the elastic force of the first pressure spring 301 and drives the first sliding rod 202 to move; when the fixed ring 304 is not in contact with the pushing portion 305, the first compression spring 301 pushes the first slide lever 202 to move reversely and return.
As shown in fig. 7, as a preferred embodiment of the present utility model, the second sliding rod 303 is provided with a third sliding groove 401, one end of the first sliding rod 202 is slidably connected to the third sliding groove 401, and a second compression spring 402 is disposed in the third sliding groove 401.
In the embodiment of the utility model, when the second sliding rod 303 moves, the first sliding rod 202 can be pushed by the elastic force of the second pressure spring 402, and then when the annular pipe fittings with different inner diameters are subjected to laser welding, the extending distance of the correcting block 110 can be adaptively adjusted by the elastic force of the second pressure spring 402, so that the extending length of the correcting block 110 is consistent with the inner diameter of the annular pipe fitting, and the annular pipe fittings with different inner diameters can be subjected to laser welding.
As shown in fig. 7-9, as a preferred embodiment of the present utility model, the support rod 108 is provided with a safety assembly 8, and the safety assembly 8 includes a second fixed push rod 801, a first guiding slider 803, a second guiding slider 805, a fourth compression spring 806, an engagement tooth 807, a fifth compression spring 808, and a ratchet bar 809;
the ratchet bar 809 is embedded on the side wall of the first sliding rod 202, the supporting rod 108 is provided with a second guiding chute 802, the first guiding slide 803 is slidably connected to the second guiding chute 802, and the fifth pressure spring 808 is arranged in the first guiding slide 803;
the first guiding sliding block 803 is provided with a third guiding sliding groove 804, the second guiding sliding block 805 is slidably connected to the third guiding sliding groove 804, the fourth compression spring 806 is arranged in the third guiding sliding groove 804, and the meshing teeth 807 are mounted on the second guiding sliding block 805;
the second fixed push rod 801 is installed on the moving rod 109, a second avoiding groove 810 for avoiding the second fixed push rod 801 is arranged on the supporting rod 108, the second avoiding groove 810 is communicated with the second guiding chute 802, and the contact surface of the second fixed push rod 801 and the first guiding slide block 803 is an inclined surface.
In the embodiment of the utility model, after the restoring block 110 supports the inner wall of the annular pipe fitting, when the moving rod 109 drives the baffle 111 to push the annular pipe fitting, the moving rod 109 drives the second fixed push rod 801 to move, the second fixed push rod 801 overcomes the elastic force of the fifth pressure spring 808 and pushes the first guide slide block 803 to move, the first guide slide block 803 drives the second guide slide block 805, the fourth pressure spring 806 and the engagement teeth 807, and further the fourth pressure spring 806 pushes the engagement teeth 807 to engage with the ratchet rack 809, so that the first sliding rod 202 is limited to move reversely, and the restoring block 110 is limited to retract into the first installation chute 112, so that the annular pipe fitting is prevented from moving due to incorrect contact with the annular pipe fitting, and the welding stability of the annular pipe fitting is improved.
As shown in fig. 1, 4, 5, 6 and 7, as a preferred embodiment of the present utility model, the fitting mechanism 5 includes a third compression spring 501, an arc-shaped pushing block 504 and a transmission assembly 7;
the third compression spring 501 is arranged in the second installation chute 113, a transverse plate 502 is installed on the vertical plate 102, a vertical plate 503 is arranged on the transverse plate 502, and the arc-shaped pushing block 504 is installed on the vertical plate 503;
the transmission assembly 7 is arranged on the moving rod 109, and the transmission assembly 7 drives the baffle 111 to extend out of or retract into the moving rod 109 in a mode that the moving rod 109 moves on the second installation chute 113.
In the embodiment of the utility model, when the installation disc 106 drives the support rod 108 and the moving rod 109 to perform station switching, until the moving rod 109 contacts with the arc-shaped pushing block 504, the arc-shaped pushing block 504 overcomes the elastic force of the third pressure spring 501 and pushes the moving rod 109 to move towards the second installation sliding groove 113, the transmission assembly 7 drives the baffle 111 to extend out of the moving rod 109 in a mode that the moving rod 109 moves on the second installation sliding groove 113, and then when the moving rod 109 drives the baffle 111 to move, the baffle 111 pushes the annular pipe to move; when the moving rod 109 moves to be not in contact with the arc-shaped pushing block 504, the third pressure spring 501 pushes the moving rod 109 to reversely move, the moving rod 109 drives the baffle 111 to be far away from the annular pipe fitting, and the transmission assembly 7 drives the baffle 111 to retract into the moving rod 109 in a mode that the moving rod 109 reversely moves on the second installation chute 113; thereby facilitating removal of the annular tube from the support bar 108 and the travel bar 109.
As shown in fig. 4-8, as a preferred embodiment of the present utility model, the transmission assembly 7 includes a second return compression spring 702 and a first fixed pushrod 704;
the moving rod 109 is provided with a third installation chute 701, the second reset pressure spring 702 is arranged in the third installation chute 701, and the baffle 111 is slidably connected to the third installation chute 701;
the first fixed push rod 704 is installed in the second installation chute 113, a sinking groove 703 is formed in the moving rod 109, the baffle 111 and the first fixed push rod 704 extend into the sinking groove 703, a first pushing inclined plane 705 is formed at the end of the first fixed push rod 704, and a second pushing inclined plane 706 matched with the first pushing inclined plane 705 is formed in the baffle 111.
In the embodiment of the present utility model, when the moving rod 109 overcomes the elastic force of the third compression spring 501 and moves into the second installation chute 113, the moving rod 109 drives the baffle 111 to move towards the first fixed push rod 704, and the first fixed push rod 704 pushes the baffle 111 through the first pushing inclined plane 705 and the second pushing inclined plane 706, so that the baffle 111 overcomes the elastic force of the second reset compression spring 702 and extends out of the third installation chute 701; when the third compression spring 501 pushes the moving rod 109 to move reversely and reset, the moving rod 109 drives the baffle 111 to be far away from the first fixed push rod 704, and the second reset compression spring 702 pushes the baffle 111 to retract into the third installation chute 701.
As shown in fig. 1 to fig. 4, as a preferred embodiment of the present utility model, the cross plate 502 is provided with a first guiding chute 601, the vertical plate 503 is slidably connected to the first guiding chute 601, an adjusting screw 602 is rotatably connected to the first guiding chute 601, the adjusting screw 602 is in threaded connection with the vertical plate 503, and a hand wheel 603 is installed at the end of the adjusting screw 602.
In the embodiment of the utility model, the hand wheel 603 is rotated, the hand wheel 603 drives the adjusting screw 602 to rotate, the adjusting screw 602 drives the vertical plate 503 to move in a threaded transmission mode, the vertical plate 503 drives the arc pushing block 504 to move, and then the moving distance of the arc pushing block 504 pushing the moving rod 109 is adjusted, so that the pushing distance of the annular pipe fitting can be adjusted when the annular pipe fitting with different lengths is welded, and the annular pipe fitting with different lengths can be welded by laser.
As shown in fig. 1 and 4, as a preferred embodiment of the present utility model, the rotating assembly 9 includes a transmission shaft 901, a flexible driving wheel 902, and a second motor 903;
the transmission shaft 901 is rotatably connected to the vertical plate 102, the elastic transmission wheel 902 is mounted on the transmission shaft 901, the second motor 903 is mounted on the vertical plate 102, and the rotating end of the second motor 903 is connected to the transmission shaft 901.
In the embodiment of the present utility model, the elastic driving wheel 902 may be made of silica gel; the second motor 903 drives the transmission shaft 901 to rotate, the transmission shaft 901 drives the elastic transmission wheel 902 to rotate, and when the station disc 107 rotates to be in contact with the elastic transmission wheel 902, the elastic transmission wheel 902 drives the station disc 107 to rotate, and the station disc 107 drives the support rod 108, the moving rod 109 and the annular pipe fitting to rotate.
In the above embodiment of the present utility model, a circumferential laser welding device for an annular pipe is provided, where the servo motor 104 is electrically connected with a PLC controller, and a program is preset in the PLC controller, so that the PLC controller controls the servo motor 104 to intermittently rotate; when in use, a worker places an annular pipe fitting (cylindrical and annular pipe fittings) to be welded on the supporting rod 108 far away from the laser welding head 114, the servo motor 104 drives the rotating main shaft 105 to rotate for a quarter turn, the rotating main shaft 105 drives the mounting disc 106 to rotate for a quarter turn, the mounting disc 106 drives the four station discs 107 to perform one-time station switching, the mounting disc 106 drives the second sliding rod 303 to revolve around the rotating main shaft 105 as an axis, the second sliding rod 303 is further rotated relative to the fixed ring 304, when the fixed ring 304 is contacted with the pushing part 305, the pushing part 305 overcomes the elastic force of the first pressure spring 301 and drives the first sliding rod 202 to move, the first sliding rod 202 pushes the rectifying block 110 through the pushing rod 204, the rectifying block 110 overcomes the elastic force of the first resetting pressure spring 205 and stretches out of the first mounting sliding groove 112, and the three rectifying blocks 110 support the inner wall of the annular pipe fitting, so that the axial center lines of the annular pipe fittings to be welded are overlapped, and when the movable rod 109 is contacted with the arc-shaped pushing block 504, the arc-shaped pushing block 504 overcomes the elastic force of the third pressure spring 501 and pushes the movable rod 109 to move towards the second installation chute 113, the movable rod 109 drives the baffle 111 to move towards the first fixed push rod 704, the first fixed push rod 704 pushes the baffle 111 through the first pushing inclined plane 705 and the second pushing inclined plane 706, the baffle 111 overcomes the elastic force of the second reset pressure spring 702 and stretches out of the third installation chute 701, the length of the stretched baffle 111 is larger than the inner diameter of the annular pipe fittings to be welded, when the movable rod 109 drives the baffle 111 to move, the baffle 111 pushes the annular pipe fittings to be welded to move, so that the annular pipe fittings to be welded are attached to the station disc 107, the annular pipe fittings to be welded are tightly attached, and the fixing of the annular pipe fittings is completed, the servo motor 104 drives the rotating main shaft 105 to continue rotating for a quarter turn, and then the mounting disc 106 drives the four station discs 107 to perform one station switching, so that the annular pipe fitting to be welded is positioned at the welding station, the second motor 903 drives the transmission shaft 901 to rotate, the transmission shaft 901 drives the elastic transmission wheel 902 to rotate, when the station disc 107 rotates to be in contact with the elastic transmission wheel 902, the elastic transmission wheel 902 drives the station disc 107 to rotate, the station disc 107 drives the support rods 108, the moving rods 109 and the annular pipe fitting to rotate, and further the laser welding head 114 performs laser welding on the circumferential direction of the annular pipe fitting, after the laser welding of the annular pipe fitting is finished, the servo motor 104 drives the rotating main shaft 105 to continue rotating for a quarter turn again, the mounting disc 106 drives the four station discs 107 to perform one station switching, at the moment, the second sliding rod 303 is not in contact with the pushing part 305, the moving rods 109 are not in contact with the arc pushing blocks 504, the first pressure spring 301 pushes the first sliding rod 202 to move reversely and reset, the first sliding rod 202 pulls the reset block 110 through the pushing rod 204, then under the cooperation of the first reset pressure spring 205, the reset block 110 is retracted into the first installation chute 112, when the third pressure spring 501 pushes the moving rod 109 to move reversely and reset, the moving rod 109 drives the baffle 111 to be far away from the first fixed push rod 704, the second reset pressure spring 702 pushes the baffle 111 to retract into the third installation chute 701, and then the welded annular pipe fitting is loosened, so that the welded annular pipe fitting is convenient to take down, the laser welding of the annular pipe fitting is completed, a worker only needs to place the annular pipe fitting to be welded on the supporting rod 108, and the welded annular pipe fitting is taken down from the supporting rod 108, the placement precision of the annular pipe fitting is low, the annular pipe fitting is convenient to place, the automatic calibration of the position of the annular pipe fitting can be realized in the running process of equipment, automatic welding of the annular pipe fitting is achieved, and welding efficiency and welding quality of the annular pipe fitting are improved.
The foregoing description of the preferred embodiments of the utility model is not intended to be limiting, but rather is intended to cover all modifications, equivalents, and alternatives falling within the spirit and principles of the utility model.
Claims (9)
1. Annular pipe fitting circumference laser welding equipment, including bottom plate (101), install riser (102) on bottom plate (101), install laser welding head (114) on riser (102), its characterized in that still includes:
a rotating main shaft (105), a center correcting mechanism (2), a fitting mechanism (5) and a rotating assembly (9);
the rotating main shaft (105) is rotationally connected to the vertical plate (102), a servo motor (104) is arranged on the vertical plate (102), and the rotating end of the servo motor (104) is connected with the rotating main shaft (105);
a mounting disc (106) is arranged on the rotating main shaft (105), and four station discs (107) are rotatably connected to the mounting disc (106);
the mounting plate (106) is provided with a supporting rod (108), three first mounting sliding grooves (112) are uniformly formed in the side wall of the supporting rod (108) in an annular shape, and the first mounting sliding grooves (112) are connected with a resetting block (110) in a sliding manner;
the center correcting mechanism (2) is arranged on the supporting rod (108), and the center correcting mechanism (2) drives the three correcting blocks (110) to synchronously extend out of or retract into the first mounting chute (112) in a rotating mode of the mounting plate (106);
a second installation chute (113) is arranged at one end, far away from the station disc (107), of the support rod (108), a moving rod (109) is connected to the second installation chute (113) in a sliding manner, and two baffles (111) are movably connected to the moving rod (109);
the attaching mechanism (5) is arranged on the vertical plate (102), and the attaching mechanism (5) drives the moving rod (109) to move on the second installation chute (113) in a rotating mode of the installation disc (106) and drives the baffle plate (111) to extend out of or retract into the moving rod (109);
the rotating assembly (9) is arranged on the vertical plate (102), and the rotating assembly (9) sequentially drives the four station plates (107) to rotate in a rotating mode of the mounting plate (106).
2. The circumferential laser welding apparatus of claim 1, wherein the centering mechanism (2) comprises a first sliding rod (202), a push rod (204), a first return compression spring (205) and a moving assembly (3);
the support rod (108) is provided with a first sliding groove (201), the first sliding rod (202) is connected to the first sliding groove (201) in a sliding mode, the support rod (108) is provided with a first avoiding groove (203) communicated with the first installation sliding groove (112) and the first sliding groove (201), the pushing rod (204) is arranged in the first avoiding groove (203), and two ends of the pushing rod (204) are respectively connected with the resetting block (110) and the first sliding rod (202) in a rotating mode;
the first reset pressure spring (205) is arranged in the first installation chute (112), the moving assembly (3) is arranged on the supporting rod (108), and the moving assembly (3) drives the first sliding rod (202) to intermittently move in a rotating mode through the installation disc (106).
3. The annular tube circumferential laser welding apparatus according to claim 2, wherein the moving assembly (3) comprises a first compression spring (301), a second sliding rod (303) and a fixed ring (304);
a second sliding groove (302) communicated with the first sliding groove (201) is formed in the supporting rod (108), the second sliding rod (303) is connected to the second sliding groove (302) in a sliding mode, and the second sliding rod (303) penetrates through the mounting disc (106);
the first pressure spring (301) is arranged in the first sliding groove (201), the fixed ring (304) is arranged on the vertical plate (102), and the fixed ring (304) is provided with a protruding pushing part (305).
4. A circumferential laser welding apparatus according to claim 3, wherein the second sliding rod (303) is provided with a third sliding groove (401), one end of the first sliding rod (202) is slidably connected to the third sliding groove (401), and a second compression spring (402) is provided in the third sliding groove (401).
5. The circumferential laser welding apparatus of claim 4, wherein the support bar (108) is provided with a safety assembly (8), the safety assembly (8) comprising a second fixed push bar (801), a first guide slider (803), a second guide slider (805), a fourth compression spring (806), an engagement tooth (807), a fifth compression spring (808) and a ratchet bar (809);
the ratchet bar (809) is embedded on the side wall of the first sliding rod (202), the supporting rod (108) is provided with a second guide sliding groove (802), the first guide sliding block (803) is connected to the second guide sliding groove (802) in a sliding way, and the fifth pressure spring (808) is arranged in the first guide sliding block (803);
the first guide sliding block (803) is provided with a third guide sliding groove (804), the second guide sliding block (805) is connected to the third guide sliding groove (804) in a sliding mode, the fourth pressure spring (806) is arranged in the third guide sliding groove (804), and the meshing teeth (807) are arranged on the second guide sliding block (805);
the second fixed push rod (801) is arranged on the moving rod (109), a second avoiding groove (810) for avoiding the second fixed push rod (801) is formed in the supporting rod (108), the second avoiding groove (810) is communicated with the second guide sliding groove (802), and the contact surface of the second fixed push rod (801) and the first guide sliding block (803) is an inclined surface.
6. The circumferential laser welding apparatus of claim 1, wherein the fitting mechanism (5) comprises a third compression spring (501), an arcuate push block (504) and a transmission assembly (7);
the third pressure spring (501) is arranged in the second installation chute (113), a transverse plate (502) is arranged on the vertical plate (102), a vertical plate (503) is arranged on the transverse plate (502), and the arc-shaped pushing block (504) is arranged on the vertical plate (503);
the transmission assembly (7) is arranged on the moving rod (109), and the baffle (111) is driven to extend out of or retract into the moving rod (109) in a mode that the moving rod (109) moves on the second installation chute (113).
7. The circumferential laser welding apparatus of claim 6, wherein the transmission assembly (7) comprises a second return compression spring (702) and a first fixed push rod (704);
a third installation chute (701) is arranged on the moving rod (109), the second reset pressure spring (702) is arranged in the third installation chute (701), and the baffle (111) is connected to the third installation chute (701) in a sliding manner;
the first fixed push rod (704) is installed in the second installation chute (113), a sinking groove (703) is formed in the moving rod (109), the baffle plate (111) and the first fixed push rod (704) extend into the sinking groove (703), a first pushing inclined surface (705) is arranged at the end part of the first fixed push rod (704), and a second pushing inclined surface (706) matched with the first pushing inclined surface (705) is arranged on the baffle plate (111).
8. The circumferential laser welding apparatus as defined in claim 6, wherein the cross plate (502) is provided with a first guiding chute (601), the vertical plate (503) is slidably connected to the first guiding chute (601), an adjusting screw (602) is rotatably connected to the first guiding chute (601), the adjusting screw (602) is in threaded connection with the vertical plate (503), and a hand wheel (603) is mounted at the end of the adjusting screw (602).
9. The circumferential laser welding apparatus of claim 1, wherein the rotating assembly (9) comprises a drive shaft (901), an elastic drive wheel (902) and a second motor (903);
the transmission shaft (901) is rotatably connected to the vertical plate (102), the elastic transmission wheel (902) is installed on the transmission shaft (901), the second motor (903) is installed on the vertical plate (102), and the rotating end of the second motor (903) is connected with the transmission shaft (901).
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311659731.2A CN117340435B (en) | 2023-12-06 | 2023-12-06 | Circumferential laser welding equipment for annular pipe fitting |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311659731.2A CN117340435B (en) | 2023-12-06 | 2023-12-06 | Circumferential laser welding equipment for annular pipe fitting |
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| CN117340435B true CN117340435B (en) | 2024-02-09 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202311659731.2A Active CN117340435B (en) | 2023-12-06 | 2023-12-06 | Circumferential laser welding equipment for annular pipe fitting |
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| CN218801357U (en) * | 2022-11-15 | 2023-04-07 | 青岛松浩电器有限公司 | Rotary supporting device for derusting steel support |
| CN116038234A (en) * | 2022-12-28 | 2023-05-02 | 江苏东水智慧节水灌溉科技有限公司 | Welding device of large-scale agricultural sprinkling irrigation equipment |
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|---|---|---|---|---|
| JP2000000691A (en) * | 1998-06-18 | 2000-01-07 | Hitachi Ltd | Device for aligning welding groove of pipe |
| CN103317239A (en) * | 2013-06-26 | 2013-09-25 | 江苏核工业格林水处理有限责任公司 | Welding technical equipment for nuclear fuel storage framework bush |
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| CN117340435A (en) | 2024-01-05 |
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