CN113770582A - Automatic welding machine for outer circle of heat conducting plate in heat exchanger - Google Patents
Automatic welding machine for outer circle of heat conducting plate in heat exchanger Download PDFInfo
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- CN113770582A CN113770582A CN202111160908.5A CN202111160908A CN113770582A CN 113770582 A CN113770582 A CN 113770582A CN 202111160908 A CN202111160908 A CN 202111160908A CN 113770582 A CN113770582 A CN 113770582A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K31/00—Processes relevant to this subclass, specially adapted for particular articles or purposes, but not covered by only one of the preceding main groups
- B23K31/02—Processes relevant to this subclass, specially adapted for particular articles or purposes, but not covered by only one of the preceding main groups relating to soldering or welding
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K37/00—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups
- B23K37/02—Carriages for supporting the welding or cutting element
- B23K37/0252—Steering means
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K37/00—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups
- B23K37/04—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups for holding or positioning work
- B23K37/0426—Fixtures for other work
- B23K37/0435—Clamps
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K37/00—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups
- B23K37/04—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups for holding or positioning work
- B23K37/047—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups for holding or positioning work moving work to adjust its position between soldering, welding or cutting steps
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- Mechanical Engineering (AREA)
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- Optics & Photonics (AREA)
- Butt Welding And Welding Of Specific Article (AREA)
Abstract
The invention discloses an automatic welding machine for the excircle of a heat conducting plate in a heat exchanger, which comprises: a frame, a rotating mechanism which is arranged on the frame and is used for positioning and driving the plurality of heat conducting plates to rotate, a bearing mechanism which is arranged beside the rotating mechanism and is used for supporting the heat conducting plates, an automatic welding mechanism which is arranged beside the rotating mechanism and is used for welding the heat conducting plates, and an XYZ three-axis moving module which is arranged on the frame and is used for driving the automatic welding mechanism to move, the rotating mechanism comprises a fixture assembly used for installing and positioning a plurality of heat conducting plates, a rotating table and a movable clamping table, wherein the rotating table and the movable clamping table are arranged at two ends of the bearing mechanism and used for driving the fixture assembly to clamp and drive the heat conducting plates to rotate, the fixture assembly comprises two supporting rods which penetrate through the heat conducting plates side by side and are symmetrical relative to the centers of the heat conducting plates, and a chuck and a plate chuck which are sleeved on the supporting rods and used for clamping the heat conducting plates, the rotating table is in butt joint with the chuck and drives the rotating table to rotate, and one end of each supporting rod is arranged on the movable clamping table.
Description
The technical field is as follows:
the invention relates to the technical field of heat exchanger products, in particular to automatic welding equipment for the excircle of a heat-conducting plate of a heat exchanger, which is simple and convenient to operate, has extremely high automation degree, can constantly perform rolling type limiting on the excircle edges of opposite heat-conducting plates in a heat-conducting plate group of the heat exchanger, ensures that a welding gun can perform stable welding, and has remarkable welding effect and high working efficiency.
Background art:
the existing heat exchanger is mainly a plate-shell type heat exchanger, which generally comprises a shell and a heat exchange core arranged in the shell, wherein the heat exchange core comprises a plurality of groups of heat conducting plate groups formed by welding two heat conducting plates, wherein each two heat conducting plates are superposed, corrugated bulges of the heat conducting plates are corresponding, namely wave crests are welded completely, corresponding round hole edges are combined by full welding to form the heat conducting plate groups, and a plurality of corrugated gaps are formed inside the heat conducting plate groups; then, the outer edges of the two groups of heat conducting plate groups are welded together respectively, so that the partition walls of the heat conducting plates form corrugated gaps to form heat conducting plate bundles. And welding the front end and the rear end of the heat conducting plate bundle between a head plate and a tail plate to form an integral heat exchange core, and inserting the heat exchange core into the shell and fixing the heat exchange core to form the complete plate-shell heat exchanger.
The traditional heat conduction plate welding mode adopts manual welding, and in the specific welding process, an operator places two heat conduction plates correspondingly by manual operation, wherein circular holes in the two heat conduction plates correspond to each other; at the moment, welding is realized along the edges of the round holes in the two heat-conducting plates by manually using a welding gun to form a heat-conducting plate group; and then, the excircles of the two groups of heat conducting plate groups correspond to each other, welding is realized along the excircles of the two groups of heat conducting plate groups by manually using a welding gun, and a plurality of groups of heat conducting plate groups are welded to form a heat conducting plate bundle.
When the outer circles between the heat conducting plate groups (two heat conducting plates) are welded, due to the fact that the traditional welding mode is inaccurate in positioning, the outer circles between the heat conducting plate groups deviate in the welding process, or a gap with a large opening is formed in the outer circles, the welding process is very difficult, the welding effect is extremely poor, the quality of a welded product is greatly reduced, and the phenomenon that welding or false welding cannot be conducted can occur. In addition, the conventional welding mode basically adopts manual operation, the precision of the welding process of the heat exchange core is higher, the manual operation can generate great human errors, the welding effect is extremely poor, multiple reworking is required, a large amount of manpower and material resources are wasted, and the production cost is increased.
In view of the above, the present inventors propose the following.
The invention content is as follows:
the invention aims to overcome the defects of the prior art and provides an automatic welding machine for the outer circle of a heat conducting plate in a heat exchanger.
In order to solve the technical problems, the invention adopts the following technical scheme: this excircle automatic weld machine of heat-conducting plate in heat exchanger includes: the automatic welding machine comprises a frame, a rotating mechanism, a bearing mechanism, an automatic welding mechanism and an XYZ three-axis moving module, wherein the rotating mechanism is arranged on the frame and used for positioning a plurality of heat conducting plates and driving the heat conducting plates to rotate, the bearing mechanism is arranged beside the rotating mechanism and used for supporting the heat conducting plates, the automatic welding mechanism is arranged beside the rotating mechanism and used for welding the heat conducting plates, the XYZ three-axis moving module is arranged on the frame and used for driving the automatic welding mechanism to move, the rotating mechanism comprises a clamp assembly used for installing and positioning a plurality of heat conducting plates, a rotating table and a moving clamping table which are arranged at two ends of the bearing mechanism and used for clamping and driving the clamp assembly to drive the heat conducting plates to rotate, the clamp assembly comprises at least two supporting rods which penetrate through the heat conducting plates in parallel and are symmetrical relative to the centers of the heat conducting plates, and a chuck plate sheet which are sleeved on the supporting rods and used for clamping the heat conducting plates, the rotating platform is in butt joint with the chuck and drives the chuck to rotate, and one end of the supporting rod is installed on the movable clamping platform.
Further, in the above technical solution, the movable clamping table is movably mounted on the frame, and the frame is provided with a second driving device for driving the movable clamping table to move toward or away from the rotating table so as to assemble and disassemble the clamp assembly; the side of the movable clamping table is provided with a driving mechanism for driving the plate chuck to move and clamp the heat-conducting plate and the chuck to be clamped on the ejector pin module on the rotary table, and the side of the rotary table is provided with a driving mechanism for driving the chuck to be separated from the rotary table.
Furthermore, in the above technical solution, the rotating table includes a first supporting seat installed in the frame and located at one end of the bearing mechanism, a main rotating disk installed in the first supporting seat in a rotatable manner and used for being in butt joint with the chuck, and a fourth driving device used for driving the main rotating disk to drive the chuck to rotate, the movable clamping table includes a second supporting seat installed in the frame in a movable manner and located at the other end of the bearing mechanism, a multifunctional turntable installed in the second supporting seat in a rotatable manner and used for fixing one end of the supporting rod, and a fifth driving device used for driving the multifunctional turntable to drive the supporting rod to rotate, and a plurality of sets of mounting holes used for matching and mounting the supporting rods with different diameters are formed in the multifunctional turntable.
Further, in the above technical solution, the ejector pin module includes a second cylinder installed at the tail of the rack and corresponding to the center of the main rotating disk, and a center ejector pin driven by the second cylinder and penetrating through the second supporting seat and the multifunctional rotating disk, and the center ejector pin is installed on a piston rod of the second cylinder in a rotatable manner; the third driving device comprises a third air cylinder arranged on the first supporting seat and a push rod driven by the third air cylinder and penetrating through the main rotating disk.
Further, in the above technical solution, the bearing mechanism includes a first bearing rod, a second bearing rod, and a first driving device for driving the first bearing rod and the second bearing rod to approach or depart from the rotating mechanism to match the heat conducting plates with different sizes.
Furthermore, in the above technical solution, the bearing mechanism further includes a bearing platform installed on the frame in a manner capable of moving up and down and located below the rotating mechanism, the first bearing rod and the second bearing rod are installed on the bearing platform in a manner capable of rotating in parallel at intervals and are parallel to a rotation center of the rotating mechanism, and the first driving device is a first air cylinder which is installed below the bearing platform and is used for driving the bearing platform to move up and down.
Further, in the above technical solution, the automatic welding mechanism includes a walking support plate installed on the XYZ three-axis movement module, a first limiting device and a second limiting device installed on the walking support plate in an inverted "eight" shape and used for forming rolling limiting on two opposite outer circumferential edges of the heat conducting plate, and a welding gun disposed between the first limiting device and the second limiting device and used for automatically welding the two opposite outer circumferential edges of the heat conducting plate, and the first limiting device and the second limiting device are vertically and symmetrically distributed on two sides of the welding gun.
Further, in the above technical solution, the first limiting device includes a first mounting seat mounted on the walking support plate, a first slide rail disposed on the first mounting seat, a first moving seat mounted on the first slide rail, a rotary table rotatably mounted on the first moving seat and configured to abut against the outer circumferential edge of the heat conducting plate, and a third cylinder mounted on the first mounting seat and configured to drive the first moving seat to move so that the rotary table forms a rolling limit on the outer circumferential edge of the heat conducting plate through the outer edge, the rotary table further includes a cooling structure, and interfaces of the cooling structure are located on two sides of the rotary table; the welding gun is positioned beside the outer edge of the turntable, and the second limiting device has the same structure as the first limiting device.
Further, in the above technical solution, an adjusting mount for mounting the welding gun is disposed in the middle of the traveling support plate, and the adjusting mount includes a first fixed plate fixed on the traveling support plate, a first moving plate mounted on the first fixed plate in a manner of being capable of moving up and down, a first fine adjustment lever mounted on the first moving plate and used for adjusting the position of the first moving plate up and down, a second moving plate mounted on the first moving plate in a manner of being capable of moving left and right, a second fine adjustment lever mounted on the first moving plate and used for adjusting the position of the second moving plate left and right, and a clamp mounted on the second moving plate and used for fixing the welding gun.
Further, in the above technical solution, a first locking screw is installed at a side of the first moving plate, a first limiting plate through which the first locking screw passes for limiting the first moving plate is disposed at a side of the first fixing plate, and a first stroke groove for limiting the movement of the first locking screw is formed on the first limiting plate; a second locking screw is mounted on the side edge of the second moving plate, a second limiting plate for the second locking screw to penetrate through for limiting the second moving plate is arranged on the side edge of the first moving plate, and a second stroke groove for limiting the movement of the second locking screw is formed in the second limiting plate; the XYZ three-axis moving module comprises an X-axis moving device which is arranged on the rack and is parallel to the rotation center of the rotating mechanism, a Z-axis moving device which is vertically arranged on the X-axis moving device and a Y-axis moving device which is arranged on the Z-axis moving device, and the automatic welding mechanism is arranged on the Y-axis moving device.
After adopting the technical scheme, compared with the prior art, the invention has the following beneficial effects:
1. according to the welding fixture, the plurality of heat conducting plates are arranged on the fixture assembly in groups, the fixture assembly is clamped by the rotating table and the movable clamping table and is driven to drive the heat conducting plates to rotate, the heat conducting plates are supported by the supporting mechanism so as to reduce the bearing force of the fixture assembly, then the heat conducting plates are welded by the automatic welding mechanism and are driven to rotate by the rotating mechanism, and therefore the heat conducting plates are uniformly welded, the welding effect is remarkable, and rework is basically not needed. Secondly, the two support rods symmetrically penetrate through the two sides of the heat-conducting plates for positioning, so that the heat-conducting plates cannot rotate relatively, the support rods are sleeved with the mounting chucks and the plate chucks to abut against the two ends of the heat-conducting plates, and the ejector pin module pushes the heat-conducting plates to be clamped and positioned and clamped on the rotating table, so that the rotating table and the movable clamping table can uniformly drive the heat-conducting plates to rotate, are not easy to slip and rotate stably at a uniform speed.
2. According to the invention, the heat conducting plates to be welded together are overlapped and arranged on the rotating mechanism, the first bearing rod and the second bearing rod are pushed by the first driving device of the bearing mechanism to ascend to the heat conducting plates to be supported in a pressing manner, so that the bearing force of the rotating mechanism is reduced, and then the XYZ three-axis moving module drives the automatic welding mechanism to move to weld the outer circle edges of the heat conducting plates, so that the heat conducting plates are welded together to form the heat exchange core of the heat exchanger. Secondly, promote the lift with the first carrier bar and the second carrier bar of bearing mechanism through first drive arrangement, can realize supporting the heat-conducting plate of different diameters size, improve the commonality of welding machine to be suitable for and weld the heat exchanger of equidimension not.
Description of the drawings:
FIG. 1 is a first perspective view of the present invention;
FIG. 2 is a second perspective view of the present invention;
FIG. 3 is a third perspective view of the present invention;
FIG. 4 is a schematic view of a fourth driving device according to the present invention;
FIG. 5 is a fourth perspective view of the present invention;
FIG. 6 is a perspective view of the automatic welding mechanism of the present invention;
FIG. 7 is a front view of the automatic welding mechanism of the present invention;
FIG. 8 is a perspective view of an adjustment mount of the present invention;
fig. 9 is an exploded view of the adjustment mount of the present invention.
The specific implementation mode is as follows:
the invention is further illustrated below with reference to specific embodiments and the accompanying drawings.
Referring to fig. 1 to 9, the automatic welding machine for the outer circle of the heat conducting plate in the heat exchanger comprises: the welding device comprises a frame 1, a rotating mechanism 3 which is arranged on the frame 1 and used for positioning a plurality of heat-conducting plates 2 and driving the heat-conducting plates to rotate, a bearing mechanism 4 which is arranged beside the rotating mechanism 3 and used for supporting the heat-conducting plates 2, an automatic welding mechanism 5 which is arranged beside the rotating mechanism 3 and used for welding the heat-conducting plates 2, and an XYZ three-axis moving module 6 which is arranged on the frame 1 and used for driving the automatic welding mechanism 5 to move, wherein the rotating mechanism 3 comprises a clamp component 33 which is used for mounting and positioning a plurality of heat-conducting plates 2, a rotating table 31 and a movable clamping table 32 which are arranged at two ends of the bearing mechanism 4 and used for clamping and driving the clamp component 33 to drive the heat-conducting plates 2 to rotate, the clamp component 33 comprises at least two support rods 331 which penetrate through the heat-conducting plates 2 in parallel and are symmetrical relative to the centers of the heat-conducting plates 2, and a chuck 332 and a plate 32 which are sleeved on the support rods 331 and used for clamping the heat-conducting plates 2, and a plate 32 And a sheet clamping disc 333, wherein the rotating platform 31 is in butt joint with the clamping disc 332 and drives the rotating platform to rotate, and one end of the supporting rod 331 is arranged on the movable clamping platform 32. Through installing a plurality of heat-conducting plates 2 on anchor clamps subassembly 33 in groups, it is rotatory to clip anchor clamps subassembly 33 and drive it to drive heat-conducting plate 2 by revolving stage 31 and removal clamping platform 32, and bear the weight of by bearing mechanism 4 to heat-conducting plate 2 and support, in order to alleviate anchor clamps subassembly 33 bearing capacity, rethread automatic weld mechanism 5 welds heat-conducting plate 2, and drive heat-conducting plate 2 by slewing mechanism 3 simultaneously rotatory, and then realize the even welding to heat-conducting plate 2, make the welding result show, basically need not rework. Secondly, adopt two spinal branch vaulting poles 331 to pass from heat-conducting plate 2 bilateral symmetry and fix a position, can't produce relative rotation between the polylith heat-conducting plate 2 to through the cover establish installation chuck 332 and slab (holding) chuck 333 support and press in the both ends of heat-conducting plate 2 on the vaulting pole 331, promote by thimble module 35 again and press from both sides tight location of heat-conducting plate 2 clamp and joint to revolving stage 31, in order to guarantee that revolving stage 31 and removal clamping platform 32 can evenly drive the heat-conducting plate 2 rotatory, difficult skidding, rotate at the uniform velocity stably.
The movable clamping table 32 is movably mounted on the frame 1, and the frame 1 is provided with a second driving device 34 for driving the movable clamping table 32 to move towards or away from the rotating table 31 so as to conveniently disassemble and assemble the clamp assembly 33; the side of the movable clamping table 32 is provided with a driving mechanism for driving the plate chuck 333 to move to clamp the heat-conducting plate 2 and clamp the chuck 332 to the thimble module 35 on the rotary table 31, and the side of the rotary table 31 is provided with a driving mechanism 36 for driving the chuck 332 to separate from the rotary table 31.
The rotating platform 31 comprises a first supporting seat 311 installed on the frame 1 and located at one end of the carrying mechanism 4, a main rotating disk 312 rotatably installed on the first supporting seat 311 and adapted to be abutted against the chuck 332, and a fourth driving device 313 adapted to drive the main rotating disk 312 to drive the chuck 332 to rotate, the movable clamping platform 32 comprises a second supporting seat 321 movably mounted on the frame 1 and located at the other end of the supporting mechanism 4, a multifunctional turntable 322 rotatably mounted on the second supporting seat 321 and used for fixing one end of the supporting rod 331, and a fifth driving device 323 used for driving the multifunctional turntable 322 to drive the supporting rod 331 to rotate, the multifunctional rotary disc 322 is provided with a plurality of sets of mounting holes 324 for matching and mounting the support rods 331 with different diameters. When the heat-conducting plates 2 with different diameters are welded, the supporting rods 331 with different sizes are required to penetrate through the heat-conducting plates 2 for supporting and positioning, so that the heat-conducting plates 2 with different sizes are positioned by arranging the mounting holes 324 with different sizes on the multifunctional tray 322 to be matched with the supporting rods 331 with different diameters.
The thimble module 35 comprises a second cylinder 351 mounted at the tail of the frame 1 and corresponding to the center of the main rotating disk 312, and a central thimble 352 driven by the second cylinder 351 and penetrating through the second supporting seat 321 and the multifunctional rotating disk 322, wherein the central thimble 352 is rotatably mounted on a piston rod of the second cylinder 352; the third driving device 36 includes a third cylinder 361 mounted on the first supporting base 311 and a pushing rod 362 driven by the third cylinder 361 and penetrating the main rotating disk 312. The central thimble 352, the first bearing rod 41 and the second bearing rod 42 are rotatably mounted, so that the first bearing rod 41, the second bearing rod 42 and the central thimble 372 can be driven to rotate simultaneously when the heat-conducting plate 2 rotates, and the heat-conducting plate 2 is effectively prevented from sliding relatively. A frustum hole 334 is formed in one side, which is in contact with the central thimble 352, of the plate chuck 333, a frustum portion 353 in matching contact with the frustum hole 334 is formed at one end of the central thimble 352, and the coaxiality of the heat conducting plate 2 and the rotation center can be improved by the contact and pressing of the frustum portion 353 and the frustum hole 334. The fourth driving device 313 includes a servo motor 3131, a reducer 3132, and a transmission gear set 3133 connecting the reducer 3132 with the main rotating disk 312, and the fifth driving device 323 and the fourth driving device 313 have the same structure.
The bearing mechanism 4 includes a first bearing rod 41, a second bearing rod 42 and a first driving device 43 for driving the first bearing rod 41 and the second bearing rod 42 to approach or depart from the rotating mechanism 3 to match the heat-conducting plates 2 with different sizes. The heat conducting plates 2 to be welded together are overlapped and installed on the rotating mechanism 3, the first bearing rod 41 and the second bearing rod 42 are pushed by the first driving device 43 of the bearing mechanism 4 to ascend to the heat conducting plates 2 to be supported in a pressing mode, so that the bearing force of the rotating mechanism 3 is reduced, the automatic welding mechanism 5 is driven by the XYZ three-axis moving module 6 to move to weld the outer circle edges of the heat conducting plates 2, and the heat conducting plates 2 are welded together to form the heat exchange core of the heat exchanger. Secondly, promote the lift with first carrier bar 41 and the second carrier bar 42 of bearing mechanism 4 through first drive arrangement 43, can realize supporting heat-conducting plate 2 of different diameters size, improve the commonality of welding machine to be suitable for and weld the heat exchanger of equidimension not.
The bearing mechanism 4 further includes a bearing platform 44 installed on the frame 1 in a manner of being capable of moving up and down and located below the rotating mechanism 3, the first bearing rod 41 and the second bearing rod 42 are installed on the bearing platform 44 in a manner of being capable of moving up and down and spaced apart from each other in a rotatable manner and are parallel to a rotation center of the rotating mechanism 3, and the first driving device 43 is a first air cylinder which is installed below the bearing platform 44 and is used for driving the bearing platform 44 to move up and down.
The automatic welding mechanism 5 comprises a walking support plate 51 arranged on the XYZ three-axis movement module 6, a first limiting device 52 and a second limiting device 53 which are arranged on the walking support plate 51 in an inverted eight-shaped manner and used for limiting the rolling of two opposite outer circle edges in the heat conducting plate 2, and a welding gun 54 which is arranged between the first limiting device 52 and the second limiting device 53 and used for automatically welding the two opposite outer circle edges in the heat conducting plate 2, wherein the first limiting device 52 and the second limiting device 53 are vertically and symmetrically distributed on two sides of the welding gun 54. Heat-conducting plate 2 usually uses two to be a set of, when the welding, need be in the same place the adjacent excircle edge welding of two heat-conducting plates 2 of two sets of heat-conducting plates 2 of difference, during the installation, need install the anchor clamps subassembly 33 with two bisymmetries of a plurality of heat-conducting plate 2 on, install anchor clamps subassembly 33 between revolving stage 31 and the removal clamp platform 32 again, drive anchor clamps subassembly 33 by revolving stage 31 and removal clamp platform 32 synchronous drive anchor clamps subassembly 2 rotatory.
The first limiting device 52 comprises a first mounting seat 521 mounted on the walking support plate 51, a first sliding rail 522 arranged on the first mounting seat 521, a first moving seat 523 mounted on the first sliding rail 522, a rotating disc 524 mounted on the first moving seat 523 in a rotatable manner and used for abutting against the outer circumferential edge of the heat-conducting plate 2, and a third cylinder 525 mounted on the first mounting seat 521 and used for driving the first moving seat 523 to move so that the rotating disc 524 forms a rolling limit on the outer circumferential edge of the heat-conducting plate 2 through the outer edge, wherein a cooling structure is further arranged in the rotating disc 524, and interfaces 526 of the cooling structure are located on two sides of the rotating disc 524; the welding gun 54 is located beside the outer edge of the turntable 524, and the second limiting device 53 has the same structure as the first limiting device 52.
An adjusting mounting base 55 for mounting the welding gun 54 is disposed at the middle of the traveling support plate 51, and the adjusting mounting base 55 includes a first fixed plate 551 fixed to the traveling support plate 51, a first moving plate 552 mounted to the first fixed plate 551 to be movable up and down, a first fine adjustment lever 553 mounted to the first moving plate 552 and for adjusting the position of the first moving plate 552 up and down, a second moving plate 554 mounted to the first moving plate 552 to be movable left and right, a second fine adjustment lever 555 mounted to the first moving plate 552 and for adjusting the position of the second moving plate 554 left and right, and a clamp 556 mounted to the second moving plate 554 and for fixing the welding gun 54.
A first locking screw 557 is mounted on a side of the first moving plate 552, a first limiting plate 5511 is disposed on a side of the first fixing plate 551, through which the first locking screw 557 passes to limit the first moving plate 552, and a first stroke slot 5512 is formed in the first limiting plate 5511 to limit the movement of the first locking screw 557; a second locking screw 558 is mounted on the side of the second moving plate 554, a second limiting plate 5521 is disposed on the side of the first moving plate 552, and the second locking screw 558 passes through the second limiting plate 5521 for limiting the movement of the second moving plate 554, and a second stroke slot 5522 for limiting the movement of the second locking screw 558 is formed in the second limiting plate 5521; the XYZ three-axis movement module 6 includes an X-axis movement device 61 mounted on the frame 1 and parallel to the rotation center of the rotation mechanism 3, a Z-axis movement device 62 vertically mounted on the X-axis movement device 61, and a Y-axis movement device 63 mounted on the Z-axis movement device 62, and the automatic welding mechanism 5 is mounted on the Y-axis movement device 63.
A second fixed plate 559 is mounted on the first moving plate 552, the second moving plate 554 is movably mounted on the second fixed plate 559, and the second vernier bar 555 is also mounted at one side of the second fixed plate 559. The bottom of the torch 54 is provided with a trailing shield 56. the trailing shield 56 is positioned between the first stop 52 and the second stop 53 and contacts the turntable 524.
In summary, when the invention is used, at least two groups of heat conducting plates 2 are horizontally stacked on the bearing mechanism 4, then the two supporting rods 331 penetrate through the positioning holes on the heat conducting plates 2 to connect the heat conducting plates 2 in series, and then the chuck 332 and the plate chuck 333 are respectively sleeved and installed at two sides of the heat conducting plates 2 from two ends of the supporting rods 331; further, the first driving device 43 pushes the carrying platform 44 to ascend, so that the chuck 332 is aligned with the main rotating disc 312 on the rotating table 31, the second driving device 334 pushes the movable clamping platform 32 to move toward the rotating table 31, and simultaneously the adjustable multifunctional rotating disc 322 is rotated, so that the support rod 331 can be abutted to the mounting hole 324 on the multifunctional rotating disc 322, then the second cylinder 351 pushes the central thimble 352 to press against the sheet chuck 333 and push the heat-conducting plate 2 and the chuck 332 to move toward the rotating table 31, while the second driving device 334 synchronously pushes the movable clamping platform 32 to move toward the rotating table 31, and then the main rotating disc 312 is rotated and adjusted, so that the chuck 332 is engaged with the main rotating disc 312, and the heat-conducting plate 2 is squeezed and clamped; further, the XYZ triaxial moving module 6 drives the automatic welding mechanism 5 to move to contact with the heat conduction plates 2, so that the end part of the rotary disc 524 in the first limiting device 52 and the end part of the rotary disc in the second limiting device 53 are in contact with the outer edges of the outer circles of two adjacent heat conduction plates 2 in the two groups of heat conduction plates 2, and the trailing protective cover 56 of the welding gun 54 corresponds to the outer edges of the outer circles of the two heat conduction plates 2; further, the welding gun 53 starts welding, and at the same time, the rotating table 31 and the moving clamping table 32 drive the clamp assembly 33 to drive the heat conducting plate 2 to start rotating, and the two support rods 331 are matched with the chuck 332 to drive the heat conducting plate 2 to rotate under uniform stress, and simultaneously drive the first bearing rod 41 and the second bearing rod 42 of the bearing mechanism 4 and the central thimble 372 of the thimble module 37 to rotate, so that the heat conducting plate 2 can be effectively prevented from sliding relatively; further, in the welding process, the heat-conducting plates 2 uniformly rotate, and the end part of the rotary disc 524 in the first limiting device 52 and the end part of the rotary disc in the second limiting device 53 are always abutted against the outer edges of the outer circles of the heat-conducting plates 2, so that rolling type limiting is realized, the welding gun 54 can stably weld the outer edges of the outer circles of two adjacent heat-conducting plates 2 in the two groups of heat-conducting plates 2, and the welding is accurate, so that a good welding effect is achieved; further, after the re-welding is completed, the ejector pin module 37 releases the heat conducting plate 2, the third driving device 36 pushes the chuck 332, the heat conducting plate 2 and the sheet chuck 333 to move toward the movable clamping table 32, so that the chuck 332 is separated from the main rotating disc 312 of the rotating table 31, meanwhile, the second driving device 34 pushes the movable clamping table 32 away from the rotating table 31, the supporting rod 331 is released, finally, the supporting rod 331 is manually taken out from the welded heat conducting plate 2, the chuck 332 and the sheet chuck 333 are taken out, and then the heat conducting plate 2 is taken out from the bearing mechanisms 2 and 4. In the above scheme, should not the heat-conducting plate 2 of equidimension, can realize the installation and drive its rotation through changing not the anchor clamps subassembly 33 of equidimension and cooperation multi-functional carousel 322 on the mounting hole 324 of equidimension, the height of coordinating again to adjust bearing mechanism 4 can realize bearing the support to the heat-conducting plate 2 of equidimension not to alleviate the atress of bracing piece 331, avoid appearing dynamic balance unbalance.
Because the welding effect is obvious, rework is basically not needed, and the invention has extremely high working efficiency and market competitiveness. In addition, the invention also has the advantages of simple operation, extremely high automation degree and the like.
It should be understood that the above description is only exemplary of the present invention, and is not intended to limit the scope of the present invention, which is defined by the appended claims.
Claims (10)
1. The utility model provides an excircle automatic weld machine of heat-conducting plate in heat exchanger which characterized in that includes: the welding machine comprises a machine frame (1), a rotating mechanism (3) which is arranged on the machine frame (1) and used for positioning and driving a plurality of heat-conducting plates (2) to rotate, a bearing mechanism (4) which is arranged beside the rotating mechanism (3) and used for supporting the heat-conducting plates (2), an automatic welding mechanism (5) which is arranged beside the rotating mechanism (3) and used for welding the heat-conducting plates (2), and an XYZ three-axis moving module (6) which is arranged on the machine frame (1) and used for driving the automatic welding mechanism (5) to move, wherein the rotating mechanism (3) comprises a clamp component (33) which is used for installing and positioning a plurality of heat-conducting plates (2), and a rotating table (31) and a moving clamping table (32) which are arranged at two ends of the bearing mechanism (4) and used for clamping and driving the clamp component (33) to drive the heat-conducting plates (2) to rotate, the clamp component (33) comprises at least two support rods (331) which penetrate through the heat-conducting plate (2) in parallel and are symmetrical relative to the center of the heat-conducting plate (2) and a chuck (332) and a plate chuck (333) which are sleeved on the support rods (331) and are used for clamping the heat-conducting plate (2), the rotating table (31) is in butt joint with the chuck (332) and drives the chuck (332) to rotate, and one end of each support rod (331) is arranged on the movable clamping table (32).
2. The automatic welding machine for the outer circle of the heat conducting plate in the heat exchanger according to claim 1 is characterized in that: the movable clamping table (32) is movably mounted on the rack (1), and the rack (1) is provided with a second driving device (34) for driving the movable clamping table (32) to move towards or away from the rotating table (31) so as to conveniently disassemble and assemble the clamp assembly (33); remove and press from both sides tight platform (32) side and be provided with and be used for promoting slab (333) removes to press from both sides tight heat-conducting plate (2) and will chuck (332) joint arrives thimble module (35) on revolving stage (31), revolving stage (31) side is provided with and is used for promoting chuck (332) breaks away from third drive arrangement (36) of revolving stage (31).
3. The automatic welding machine for the outer circle of the heat conducting plate in the heat exchanger as claimed in claim 2, is characterized in that: the rotating platform (31) comprises a first supporting seat (311) which is arranged on the rack (1) and is positioned at one end of the bearing mechanism (4), a main rotating disk (312) which is arranged on the first supporting seat (311) in a rotatable manner and is used for being butted with the chuck (332), and a fourth driving device (313) which is used for driving the main rotating disk (312) to drive the chuck (332) to rotate, the movable clamping platform (32) comprises a second supporting seat (321) which is arranged on the rack (1) in a movable manner and is positioned at the other end of the bearing mechanism (4), a multifunctional rotating disk (322) which is arranged on the second supporting seat (321) in a rotatable manner and is used for fixing one end of the supporting rod (331), and a fifth driving device (323) which is used for driving the multifunctional rotating disk (322) to drive the supporting rod (331) to rotate, the multifunctional rotary table (322) is provided with a plurality of groups of mounting holes (324) used for matching and mounting the support rods (331) with different diameters.
4. The automatic welding machine for the outer circle of the heat conducting plate in the heat exchanger, according to claim 3, is characterized in that: the thimble module (35) comprises a second air cylinder (351) which is arranged at the tail part of the frame (1) and corresponds to the center of the main rotating disk (312), and a central thimble (352) which is driven by the second air cylinder (351) and penetrates through the second supporting seat (321) and the multifunctional rotating disk (322), wherein the central thimble (352) is arranged on a piston rod of the second air cylinder (352) in a rotatable mode; the third driving device (36) comprises a third cylinder (361) mounted on the first supporting seat (311) and a pushing rod (362) driven by the third cylinder (361) and penetrating through the main rotating disk (312).
5. The automatic welding machine for the outer circle of the heat conducting plate in the heat exchanger according to claim 1 is characterized in that: the bearing mechanism (4) comprises a first bearing rod (41), a second bearing rod (42) and a first driving device (43) which is used for driving the first bearing rod (41) and the second bearing rod (42) to be close to or far away from the rotating mechanism (3) so as to be matched with the heat-conducting plates (2) with different sizes.
6. The automatic welding machine for the outer circle of the heat conducting plate in the heat exchanger, according to claim 5, is characterized in that: the bearing mechanism (4) further comprises a bearing platform (44) which is arranged on the rack (1) in a lifting moving mode and is positioned below the rotating mechanism (3), the first bearing rod (41) and the second bearing rod (42) are arranged on the bearing platform (44) in a rotatable mode in parallel at intervals and are parallel to the rotating center of the rotating mechanism (3), and the first driving device (43) is a first air cylinder which is arranged below the bearing platform (44) and is used for driving the bearing platform (44) to lift and move.
7. The automatic welding machine for the outer circle of the heat conducting plate in the heat exchanger according to any one of claims 1 to 6, characterized in that: the automatic welding mechanism (5) comprises a walking support plate (51) arranged on the XYZ three-axis moving module (6), a first limiting device (52) and a second limiting device (53) which are arranged on the walking support plate (51) in an inverted splayed mode and used for limiting two opposite outer circle edges in the heat conducting plate (2) in a rolling mode, and a welding gun (54) which is arranged between the first limiting device (52) and the second limiting device (53) and used for automatically welding the two opposite outer circle edges in the heat conducting plate (2), wherein the first limiting device (52) and the second limiting device (53) are vertically and symmetrically distributed on two sides of the welding gun (54).
8. The automatic welding machine for the outer circle of the heat conducting plate in the heat exchanger according to claim 7 is characterized in that: the first limiting device (52) comprises a first mounting seat (521) mounted on the walking support plate (51), a first sliding rail (522) arranged on the first mounting seat (521), a first moving seat (523) mounted on the first sliding rail (522), a rotary disc (524) which is rotatably mounted on the first moving seat (523) and used for abutting against the outer circle edge of the heat-conducting plate (2), and a third cylinder (525) which is mounted on the first mounting seat (521) and used for driving the first moving seat (523) to move so that the rotary disc (524) can form rolling limitation on the outer circle edge of the heat-conducting plate (2) through the outer edge, wherein a cooling structure is further arranged in the rotary disc (524), and interfaces (526) of the cooling structure are located on two sides of the rotary disc (524); the welding gun (54) is positioned at the side of the outer edge of the rotary disc (524), and the second limiting device (53) has the same structure as the first limiting device (52).
9. The automatic welding machine for the outer circle of the heat conducting plate in the heat exchanger according to claim 8 is characterized in that: an adjusting mounting seat (55) for mounting the welding gun (54) is arranged in the middle of the walking support plate (51), the adjusting mounting base (55) comprises a first fixing plate (551) fixed on the walking support plate (51), a first moving plate (552) arranged on the first fixing plate (551) in a vertically movable mode, a first fine adjustment rod (553) arranged on the first moving plate (552) and used for adjusting the position of the first moving plate (552) up and down, a second moving plate (554) arranged on the first moving plate (552) in a horizontally movable mode, a second fine adjustment rod (555) arranged on the first moving plate (552) and used for adjusting the position of the second moving plate (554) left and right, and a clamp (556) arranged on the second moving plate (554) and used for fixing the welding gun (54).
10. The automatic welding machine for the outer circle of the heat conducting plate in the heat exchanger according to claim 9 is characterized in that: a first locking screw (557) is mounted on the side of the first moving plate (552), a first limiting plate (5511) is arranged on the side of the first fixing plate (551) and used for allowing the first locking screw (557) to penetrate through to limit the first moving plate (552), and a first stroke groove (5512) for limiting the movement of the first locking screw (557) is formed in the first limiting plate (5511); a second locking screw (558) is mounted on the side of the second moving plate (554), a second limiting plate (5521) is arranged on the side of the first moving plate (552) and used for allowing the second locking screw (558) to penetrate through to limit the second moving plate (554), and a second stroke groove (5522) for limiting the movement of the second locking screw (558) is formed in the second limiting plate (5521); the XYZ three-axis moving module (6) comprises an X-axis moving device (61) which is arranged on the rack (1) and is parallel to the rotation center of the rotating mechanism (3), a Z-axis moving device (62) which is vertically arranged on the X-axis moving device (61), and a Y-axis moving device (63) which is arranged on the Z-axis moving device (62), wherein the automatic welding mechanism (5) is arranged on the Y-axis moving device (63).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111160908.5A CN113770582B (en) | 2021-09-30 | 2021-09-30 | Automatic welding machine for outer circle of heat conducting plate in heat exchanger |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111160908.5A CN113770582B (en) | 2021-09-30 | 2021-09-30 | Automatic welding machine for outer circle of heat conducting plate in heat exchanger |
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| Publication Number | Publication Date |
|---|---|
| CN113770582A true CN113770582A (en) | 2021-12-10 |
| CN113770582B CN113770582B (en) | 2023-01-10 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202111160908.5A Active CN113770582B (en) | 2021-09-30 | 2021-09-30 | Automatic welding machine for outer circle of heat conducting plate in heat exchanger |
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| GB1491914A (en) * | 1974-03-19 | 1977-11-16 | Chausson Usines Sa | Methods and devices for welding tubular parts and apertured parts together |
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| JP2000197968A (en) * | 1998-12-25 | 2000-07-18 | Toshiba Corp | Welding equipment for heat transfer tube |
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| CN103639641A (en) * | 2013-11-28 | 2014-03-19 | 黄华东 | Automatic outer circle welding device of heat exchanger plate sheet |
| CN204321456U (en) * | 2014-12-12 | 2015-05-13 | 东莞埃欧热能技术有限公司 | Dual Drive rush-harvesting and rush-planting plate cylindrical welding equipment |
| CN104972234A (en) * | 2015-07-17 | 2015-10-14 | 上海科凌能源科技有限公司 | Tool for laser welding of printed circuit heat exchanger |
| CN210908752U (en) * | 2019-06-03 | 2020-07-03 | 扬州派斯特换热设备有限公司 | All-welded heat exchanger plate group welding tool |
-
2021
- 2021-09-30 CN CN202111160908.5A patent/CN113770582B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1491914A (en) * | 1974-03-19 | 1977-11-16 | Chausson Usines Sa | Methods and devices for welding tubular parts and apertured parts together |
| JP2000197968A (en) * | 1998-12-25 | 2000-07-18 | Toshiba Corp | Welding equipment for heat transfer tube |
| CN2369808Y (en) * | 1999-04-09 | 2000-03-22 | 王岳平 | Soldering machine |
| CN102615455A (en) * | 2012-04-18 | 2012-08-01 | 黄华东 | Inner and outer circle welding benches for sheet of heat exchanger |
| CN103639641A (en) * | 2013-11-28 | 2014-03-19 | 黄华东 | Automatic outer circle welding device of heat exchanger plate sheet |
| CN204321456U (en) * | 2014-12-12 | 2015-05-13 | 东莞埃欧热能技术有限公司 | Dual Drive rush-harvesting and rush-planting plate cylindrical welding equipment |
| CN104972234A (en) * | 2015-07-17 | 2015-10-14 | 上海科凌能源科技有限公司 | Tool for laser welding of printed circuit heat exchanger |
| CN210908752U (en) * | 2019-06-03 | 2020-07-03 | 扬州派斯特换热设备有限公司 | All-welded heat exchanger plate group welding tool |
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|---|---|
| CN113770582B (en) | 2023-01-10 |
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