CN116618791A - Automatic welding machine for roller overlaying - Google Patents
Automatic welding machine for roller overlaying Download PDFInfo
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- CN116618791A CN116618791A CN202310567570.8A CN202310567570A CN116618791A CN 116618791 A CN116618791 A CN 116618791A CN 202310567570 A CN202310567570 A CN 202310567570A CN 116618791 A CN116618791 A CN 116618791A
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- main body
- welding
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- 238000003466 welding Methods 0.000 title claims abstract description 108
- 230000004907 flux Effects 0.000 claims abstract description 71
- 239000000463 material Substances 0.000 claims abstract description 36
- 230000007246 mechanism Effects 0.000 claims abstract description 35
- 238000003860 storage Methods 0.000 claims abstract description 32
- 238000005096 rolling process Methods 0.000 claims description 12
- 230000000149 penetrating effect Effects 0.000 claims 1
- 230000009471 action Effects 0.000 abstract description 11
- 230000008439 repair process Effects 0.000 abstract description 6
- 230000003245 working effect Effects 0.000 abstract description 3
- 238000000034 method Methods 0.000 description 27
- 238000004891 communication Methods 0.000 description 22
- 230000008569 process Effects 0.000 description 21
- 230000033001 locomotion Effects 0.000 description 14
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 8
- 230000000694 effects Effects 0.000 description 7
- 238000009434 installation Methods 0.000 description 6
- 230000013011 mating Effects 0.000 description 6
- 239000002184 metal Substances 0.000 description 5
- 229910052751 metal Inorganic materials 0.000 description 5
- 238000007599 discharging Methods 0.000 description 4
- 238000001125 extrusion Methods 0.000 description 4
- 229910052742 iron Inorganic materials 0.000 description 4
- 230000009286 beneficial effect Effects 0.000 description 3
- 230000002349 favourable effect Effects 0.000 description 3
- 239000002699 waste material Substances 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 2
- 230000001360 synchronised effect Effects 0.000 description 2
- 238000005299 abrasion Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000011900 installation process Methods 0.000 description 1
- 238000010030 laminating Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 238000007790 scraping Methods 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
- B23K9/00—Arc welding or cutting
- B23K9/04—Welding for other purposes than joining, e.g. built-up 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
- B23K9/00—Arc welding or cutting
- B23K9/32—Accessories
-
- 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
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- Physics & Mathematics (AREA)
- Plasma & Fusion (AREA)
- Mechanical Engineering (AREA)
- Arc Welding In General (AREA)
Abstract
The invention relates to the technical field of roller overlaying repair, in particular to an automatic welding machine for roller overlaying, which comprises a placing table, wherein a first connecting ring is fixedly connected to the top of the placing table, a sliding rail is fixedly connected to the top of the placing table, a second connecting ring is connected to the sliding rail in a sliding manner, two bolts are connected between the second connecting ring and the placing table in a threaded manner, a roller main body is placed between the first connecting ring and the second connecting ring, and a driving and rotating mechanism is connected between the first connecting ring and the roller main body; according to the invention, under the action of the elastic abutting mechanism, the lower the bottom end of the contact rod is moved downwards, the larger the quantity of the welding flux in the welding flux storage box is injected into the material receiving box, so that the welding flux with different degrees is improved according to the groove depth of the surface of the roller, the flatness of the surface of the roller after overlaying is improved, and the working effect of the roller after overlaying is ensured.
Description
Technical Field
The invention relates to the field of roller overlaying repair, in particular to an automatic welding machine for roller overlaying.
Background
Rolls are the primary working components and tools on rolling mills that produce continuous plastic deformation of metal. The roller mainly comprises a roller body, a roller neck and a shaft head part. The roll body is a middle part of a roll actually participating in rolling metal, the roll body is provided with a smooth cylindrical surface or a surface with a rolling groove, a roll neck is arranged in a bearing, rolling force is transmitted to a frame through a bearing seat and a pressing device, a shaft head of a driving end is connected with a gear seat through a connecting shaft, and the rotating moment of a motor is transmitted to the roll; build-up welding is a welding process in which metal is melted by electric or gas welding, and is deposited on tools or machine parts, typically to repair worn and broken parts.
The invention in China with the application number of CN202011346222.0 discloses an automatic welding device for roller overlaying welding, which comprises an operation table, a driving mechanism, a discharging mechanism, a welding mechanism, a supporting mechanism, an adding mechanism and a supporting rod, wherein the supporting mechanism is used for fixedly arranging other mechanisms, the supporting rod is used for supporting the whole device, the driving mechanism which is convenient for arranging the rollers in a transmission way is arranged at the top of the operation table, the discharging mechanism which is convenient for collecting blanking generated during welding is arranged at the bottom of the operation table, the welding mechanism which is used for welding the rollers is arranged in the middle of the top of the operation table, the supporting mechanism which is convenient for supporting the adding mechanism is arranged at one side of the top of the operation table, and the adding mechanism which is convenient for adjusting welding flux during welding repair is arranged at the top of the supporting mechanism.
The surface of roll is carrying out the in-process that rolls repeatedly rolls to the ironwork for a long time, and the strip recess that the depth is different can appear on the surface, and prior art is carrying out the in-process of build-up welding to the surface of roll, carries out the build-up welding repair to different recess departments through welder's removal, but when the build-up welding, is difficult to ensure the welding effect when the build-up welding according to the recess degree of depth on roll surface to cause the planarization on roll surface relatively poor after the build-up welding, the roll after the build-up welding is when roll rolls the ironwork again, and the planarization on ironwork surface can also produce the problem, influences the normal work of roll after the build-up welding.
Disclosure of Invention
The invention aims to solve the defects in the prior art, and provides an automatic welding machine for roller overlaying welding.
In order to achieve the above purpose, the invention adopts the following technical scheme: an automatic welding machine for roller overlaying comprises a placing table, wherein a first connecting ring is fixedly connected to the top of the placing table, a sliding rail is fixedly connected to the top of the placing table, a second connecting ring is connected to the sliding rail in a sliding manner, two bolts are connected between the second connecting ring and the placing table in a threaded manner, a roller main body is placed between the first connecting ring and the second connecting ring, and a driving rotating mechanism is connected between the first connecting ring and the roller main body;
the top of the placing table is fixedly connected with two groups of guide rails, the number of the guide rails in each group is two, the guide rails in each group are all connected with sliding seats in a sliding manner, a mounting plate is fixedly connected between the two sliding seats, the top of the mounting plate is fixedly connected with a first motor, an output shaft of the first motor penetrates through the mounting plate and extends to the lower part of the mounting plate, then is fixedly connected with a U-shaped frame, an arc rod is connected onto the U-shaped frame in a sliding manner, the arc center of the arc rod is positioned on the rotating shaft of the cambered surface of the roller main body, a plurality of welding flux storage boxes are fixedly connected onto the arc rod, a material receiving box is placed on the side surface of each welding flux storage box, a contact rod is fixedly connected onto the bottom of each material receiving box, a communication hole is formed in the top of each contact rod, a discharging hole is formed in the side surface below each contact rod, an electric welding gun is fixedly connected onto the side surface of each material receiving box, and the welding end of each electric welding gun is positioned at the opening of each discharging hole;
the welding flux storage box is characterized in that elastic abutting mechanisms are connected to the material receiving box, and when the bottom ends of the contact rods are in contact with the surface of the roller main body, the larger the downward moving amplitude of the bottom ends of the contact rods is, the larger the quantity of welding flux in the welding flux storage box is injected into the material receiving box and flows out of the discharge holes; during operation, strip-shaped grooves with different depths appear on the surface of a roller in the process of repeatedly rolling and rolling the iron piece for a long time, the prior art carries out overlaying repair on different groove positions through the movement of a welding gun in the process of overlaying the surface of the roller, but during overlaying, welding effect during overlaying is difficult to ensure according to the groove depth of the roller surface, thereby the flatness of the roller surface after overlaying is poor, problems can be caused when the roller after overlaying rolls and rolls the iron piece again, the normal work of the roller after overlaying is influenced, the problems can be solved, a specific working mode is that firstly, a roller main body is placed between a first connecting ring and a second connecting ring for limiting, a mounting plate is driven to move through the movement of a sliding seat along a guide rail, a U-shaped frame is driven to move during the movement of the mounting plate, the U-shaped frame drives an arc rod to move, the arc rods are driven to move due to the arc centers of the arc rods to be positioned on a rotating shaft line of a roller main body, one end of the arc rods and one end of the main body of the arc rod are contacted with the surface of the main body, the welding flux is enabled to flow down to the corresponding contact box through the contact hole when the roller main body moves from the contact box to the contact hole, and the contact box is enabled to flow down to the corresponding roller surface of the roller through the contact box to move from the contact box to the corresponding groove when the contact box moves to the contact box, and the contact box moves down the corresponding roller surface of the roller through the corresponding groove is enabled to move down the corresponding groove to move to the corresponding connecting box to the contact box, and the corresponding roller box moves down to the corresponding groove when the contact box moves down end is down to the contact box moves down to the corresponding roller groove moves down end surface is moved to the corresponding bottom surface moves, and fall in the recess on roll main part surface, fixed connection connects the welding torch of magazine side immediately to the welding flux that flows out to carry out the build-up welding to the recess on roll main part surface and handle, through the effect of elasticity conflict mechanism, the range that makes the bottom of contact rod move down is bigger, and the quantity that the flux in the flux storage box was poured into in the magazine is more, thereby improves the flux of different degree according to the recess depth on roll surface, is favorable to improving the planarization on roll surface after the build-up welding, guarantees the work effect after the roll build-up welding.
Preferably, the driving and rotating mechanism comprises a limiting ring and a second motor, the limiting ring is rotationally connected inside the first connecting ring, a special-shaped groove matched with one end of the roller main body is formed inside the limiting ring, the second motor is fixedly arranged at the top of the placing table, a driving wheel is fixedly connected to an output shaft of the second motor, and a driving belt is in transmission connection between the driving wheel and the limiting ring; during operation, through placing the special-shaped end of the roller main body in the special-shaped groove inside the limiting ring, then moving the second connecting ring along the sliding rail, thereby sleeving the other end of the roller main body in the second connecting ring, fixing the position of the second connecting ring by using the bolt, driving the driving wheel to rotate by starting the second motor through the output shaft of the second motor, driving the limiting ring to rotate through the driving action of the driving belt, and rotating the roller main body between the first connecting ring and the second connecting ring, thereby being beneficial to overlaying other positions of the side cambered surface of the roller main body.
Preferably, a placing groove is formed in the top of the placing table, a supporting plate is placed in the placing groove, two hydraulic cylinders are fixedly installed in the placing table, and piston shafts of the hydraulic cylinders are fixedly connected to the bottom of the supporting plate; during operation, after installing the roll main part between first go-between and second go-between, through starting hydraulic cylinder, make hydraulic cylinder's piston axle drive backup pad downwardly moving to cancel the bottom sprag of roll main part, the roll main part of being convenient for rotates, supports the roll main part through the in-process with the backup pad at the installation, prevents that the weight of roll main part is great to cause the installation difficulty, improves the convenience to the installation of roll main part.
Preferably, the elastic abutting mechanism comprises a sleeving ring and two plug pins, the sleeving ring is fixedly connected to the top of the material receiving box, the two plug pins are fixedly connected to the top of the side face of the flux storage box, the sleeving ring is sleeved on the flux storage box and is slidingly plugged on the plug pins, the plug pins are sleeved with first springs, the first springs are positioned between the top ends of the plug pins and the top of the sleeving ring, an arc-shaped groove and a matching groove are respectively formed in one side of the flux storage box adjacent to the material receiving box, the positions of the arc-shaped groove and the matching groove are staggered, and the arc-shaped groove is positioned below the matching groove; during operation, the bottom end of the contact rod at the bottom of the material receiving box is elastically abutted against the surface of the roller main body through the elastic action of the first spring, when the bottom end of the contact rod moves to the groove on the surface of the roller main body, the elastic action of the first spring enables the material receiving box to continuously move downwards and drive the bottom end of the contact rod to move downwards, when the material receiving box moves downwards, the positions of the arc-shaped groove and the matching groove are communicated, and the size of the communication generated in the downward movement process is gradually increased, so that welding flux in the welding flux storage box enters the inside of the material receiving box along the communication position of the arc-shaped groove and the matching groove, finally falls to the groove on the surface of the roller main body from the discharge hole, the welding flux is discharged through the communication position of the arc-shaped groove and the matching groove, and the position of the communication hole is gradually increased according to the structure of the arc-shaped groove, the corresponding welding flux is improved according to the groove depth on the surface of the roller main body, and the flatness of the overlaying process of the roller main body is improved.
Preferably, the bottom end of the contact rod is provided with a spherical groove, and the ball is connected in a rolling way in the spherical groove; during operation, through the surface contact of ball and roll main part to utilize the roll of good ball to replace the contact slip in the in-process that removes, can effectually reduce the bottom wearing and tearing of contact lever, and reduce the damage of scraping the surface of roll main part.
Preferably, the top of the arc-shaped rod is fixedly connected with two groups of teeth, one side of the U-shaped frame is fixedly provided with two third motors, the output shafts of the third motors are fixedly connected with half gears, and the half gears are respectively meshed with an adjacent group of teeth; during operation, the two half gears are reversely driven synchronously through the two third motors, one half gear and the adjacent group of teeth are meshed to rotate to drive the arc rod to move to one side around the arc, after the meshing rotation of one half gear and the adjacent group of teeth is finished, the other half gear and the adjacent group of teeth are meshed to rotate to the other side around the arc, the arc rod is driven to move to the other side around the arc, the arc rod is enabled to reciprocate left and right in the linear movement process, the contact area between the contact rod and the surface of the roller main body is increased, the efficiency in the surfacing welding process is improved, and after the contact rod moves back and forth along the roller main body and the surface surfacing of the upper side is finished, the roller main body is enabled to rotate along the axis, so that the grooves on the surfaces of other non-contacted positions are subjected to surfacing.
Preferably, the bottom of the arc-shaped rod is fixedly connected with an arc-shaped frame, the arc center of the arc-shaped frame is positioned on the rotating axis of the cambered surface of the roller main body, and the bottom of the arc-shaped frame is positioned on the surface of the roller main body; during operation, through the bottom fixed connection arc frame at the arc pole, the arc pole drives arc frame and moves together to scrape the surface to the roll main part before the build-up welding and move, reduce the influence of the metal remnants of roll main part surface adhesion to the build-up welding, after removing the end of roll main part one end and breaking away from the roll main part surface, thereby drive the rotatory half circle of U type frame through first motor and continue reverse removal build-up welding.
Preferably, one side of the placing table is fixedly connected with two mounting frames, two connecting pins are connected to the mounting frames in a sliding and inserting mode, one ends of the connecting pins are fixedly connected with cambered surface blocks together, second springs are sleeved on the connecting pins, the second springs are located between the mounting frames and the cambered surface blocks, circular grooves are formed in the tops of the cambered surface blocks, and cambered surface discs are connected to the inner portions of the circular grooves in a rotating mode; during operation, when the arc-shaped rod drives the arc-shaped frame to move to the end of roller main part one end and break away from roller main part surface and rotate, the contact rod loses the contact with roller main part surface, can cause the outflow waste of welding flux, this technical scheme can solve above problem, specific operating mode is as follows, the arc-shaped frame can move to the cambered surface piece after breaking away from roller main part surface, and continue to move to the center department of cambered surface disc, the arc-shaped frame is located the top of cambered surface disc and contacts with the top laminating of cambered surface disc this moment completely, replace roller main part and contact rod through cambered surface piece and cambered surface disc top and contact, prevent that the contact rod from losing the contact extrusion and causing the leakage of welding flux, the bottom of arc-shaped frame and the top of cambered surface disc agree with each other, and drive the cambered surface disc at the arc-shaped frame pivoted in-process and rotate, thereby make the contact rod always contact extrusion through the top of cambered surface disc, the leakage waste of effectual reduction welding flux, make the cambered surface piece drive the connecting pin slide on the mounting bracket, thereby make the cambered surface piece move to one side, be favorable to the installation and dismantlement of roller main part.
Compared with the prior art, the invention has the following beneficial effects:
1. through the effect of elasticity conflict mechanism, the amplitude that makes the bottom downwardly moving of contact arm is bigger, and the quantity that the welding flux in the welding flux storage box was poured into in the material receiving box is more to improve the welding flux of different degree according to the recess degree of roll surface, be favorable to improving the planarization on roll surface after the build-up welding, guarantee the work effect after the roll build-up welding.
2. When the material receiving box moves downwards, the positions of the arc-shaped groove and the matching groove are communicated, and the size of the communication produced in the downward movement process is gradually increased, so that welding flux in the welding flux storage box enters the interior of the material receiving box along the communication position of the arc-shaped groove and the matching groove, finally falls to the groove on the surface of the roller main body from the discharge hole, the welding flux is discharged from the communication position of the arc-shaped groove and the matching groove, the position of the communication hole is gradually increased according to the structure of the arc-shaped groove, the corresponding welding flux is improved according to the depth of the groove on the surface of the roller main body, and the flatness of the surfacing process of the roller main body is improved.
3. Through the synchronous reverse drive of two third motors to make two half gears reverse rotation, one of them half gear and adjacent a set of tooth meshing rotation, drive the arc pole and move to one side around the arc, after one of them half gear and adjacent a set of tooth meshing rotation are finished, another half gear and adjacent a set of tooth begin to mesh the rotation, and drive the arc pole and move to the opposite side around the arc, make the arc pole carry out left and right reciprocating motion at rectilinear movement's in-process, increase the contact area of contact bar and roller main part surface, improve the efficiency in the surfacing welding process, after the contact bar moves and makes the surface of top face surfacing along the roller main part round trip movement, through making the roller main part rotate along the axle center, thereby carry out the surfacing treatment to the recess of other non-contact position surfaces.
4. The arc frame can move to the arc block after being separated from the surface of the roller main body, and continuously move to the center of the arc disc and contact with the top of the arc disc in a fitting way, the arc frame is completely positioned at the top of the arc disc at the moment, the arc surface at the top of the arc disc replaces the roller main body to contact with the contact rod through the arc block and the arc surface, the contact rod is prevented from losing contact extrusion to cause leakage of welding flux, the bottom of the arc frame and the top of the arc disc are mutually matched, and the arc disc is driven to rotate in the process of rotation of the arc frame, so that the contact rod always contacts and extrudes through the top of the arc disc in the process of rotation, and leakage and waste of welding flux are effectively reduced.
Drawings
FIG. 1 is a schematic diagram of the structure of the present invention;
FIG. 2 is a schematic cross-sectional view of the present invention;
FIG. 3 is an enlarged schematic view of the structure A in FIG. 2 according to the present invention;
FIG. 4 is an enlarged schematic view of the structure at B in FIG. 3 according to the present invention;
FIG. 5 is a schematic view of the mating structure of the arcuate lever and half gear of the present invention;
FIG. 6 is a schematic view of the mating structure of the receiving box and the collar of the present invention;
FIG. 7 is a schematic view of the flux cartridge of the present invention;
FIG. 8 is a schematic view of the mating structure of the first connecting ring and the stop collar of the present invention;
FIG. 9 is a schematic view of the mating structure of the mounting bracket, the cambered surface block and the cambered surface disc of the invention;
FIG. 10 is an exploded view of the arcuate block and arcuate disc mating mechanism of the present invention;
FIG. 11 is a schematic view of a main structure of a roll according to the present invention;
in the figure: 1. a placement table; 2. a first connection ring; 3. a slide rail; 4. a second connecting ring; 5. a bolt; 6. a roll body; 7. a guide rail; 8. a slide; 9. a mounting plate; 10. a first motor; 11. a U-shaped frame; 12. an arc-shaped rod; 13. a flux reservoir cartridge; 14. a receiving box; 15. a contact lever; 16. a communication hole; 17. a discharge hole; 18. an electric welding gun; 19. a limiting ring; 20. a second motor; 21. a special-shaped groove; 22. a driving wheel; 23. a drive belt; 24. a placement groove; 25. a support plate; 26. a hydraulic cylinder; 27. sleeving a ring; 28. a plug pin; 29. a first spring; 30. an arc-shaped groove; 31. a mating groove; 32. a spherical groove; 33. a ball; 34. teeth; 35. a third motor; 36. a half gear; 37. an arc-shaped frame; 38. a mounting frame; 39. a connecting pin; 40. a cambered surface block; 41. a second spring; 42. a circular groove; 43. a cambered surface disc.
Detailed Description
The following description is presented to enable one of ordinary skill in the art to make and use the invention. The preferred embodiments in the following description are by way of example only and other obvious variations will occur to those skilled in the art.
The automatic welding machine for roller overlaying as shown in fig. 1 to 11 comprises a placing table 1, wherein a first connecting ring 2 is fixedly connected to the top of the placing table 1, a sliding rail 3 is fixedly connected to the top of the placing table 1, a second connecting ring 4 is slidingly connected to the sliding rail 3, two bolts 5 are connected between the second connecting ring 4 and the placing table 1 in a threaded manner, a roller main body 6 is arranged between the first connecting ring 2 and the second connecting ring 4, and a driving and rotating mechanism is connected between the first connecting ring 2 and the roller main body 6;
the top of the placing table 1 is fixedly connected with two groups of guide rails 7, the number of each group of guide rails 7 is two, each group of guide rails 7 is provided with a sliding seat 8 in a sliding way, a mounting plate 9 is fixedly connected between the two sliding seats 8, the top of the mounting plate 9 is fixedly connected with a first motor 10, an output shaft of the first motor 10 penetrates through the mounting plate 9 and extends to the lower part of the mounting plate 9, then is fixedly connected with a U-shaped frame 11, the U-shaped frame 11 is provided with an arc rod 12 in a sliding way, the arc center of the arc rod 12 is positioned on the rotating axis of the arc surface of the roller main body 6, the arc rod 12 is fixedly connected with a plurality of welding flux storage boxes 13, the side surface of the welding flux storage boxes 13 is provided with a material receiving box 14, the bottom of the material receiving box 14 is fixedly connected with a contact rod 15, the top of the contact rod 15 is provided with a communication hole 16, the side surface below the contact rod 15 is provided with a discharge hole 17, the discharge hole 17 is communicated with the communication hole 16, the side surface of the material receiving box 14 is fixedly connected with an electric welding gun 18, and the welding end of the electric welding gun 18 is positioned at the opening of the discharge hole 17;
the material receiving boxes 14 are connected with elastic abutting mechanisms, and when the bottom ends of the contact rods 15 are in surface contact with the roller main body 6, the larger the downward moving amplitude of the bottom ends of the contact rods 15 is, the larger the quantity of the welding flux in the welding flux storage boxes 13 is injected into the material receiving boxes 14, and the welding flux flows out from the discharge holes 17; during operation, strip-shaped grooves with different depths appear on the surface of a roller in the process of repeatedly rolling and rolling the iron piece for a long time, in the process of overlaying the surface of the roller in the prior art, different grooves are overlaid and repaired through movement of a welding gun, but during overlaying, the welding effect during overlaying is difficult to ensure according to the groove depth of the roller surface, so that the flatness of the roller surface after overlaying is poor, problems can be caused when the roller after overlaying rolls roll the iron piece again, the normal operation of the roller after overlaying is influenced, the problems can be solved by the technical scheme, and the specific working mode is that firstly, a roller main body 6 is placed between a first connecting ring 2 and a second connecting ring 4 for limiting, a slide seat 8 moves along a guide rail 7 to drive a mounting plate 9 to move, the U-shaped frame 11 is driven to move when the mounting plate 9 moves, the U-shaped frame 11 drives the arc rod 12 to move, the arc rod 12 drives the contact rods 15 to move, as the arc centers of the arc rods 12 are positioned on the rotating axes of the cambered surfaces of the roller main bodies 6, when one ends of the contact rods 15 on the arc rod 12 are contacted with the surfaces of the roller main bodies 6, one ends of the contact rods 15 are all pointed to the rotating axes of the cambered surfaces of the roller main bodies 6, when one ends of the contact rods 15 are contacted with the surfaces of the roller main bodies 6 and move, when the contact rods 15 move to the grooves on the surfaces of the roller main bodies 6, the corresponding contact rods 15 move downwards to the grooves through the action of the elastic abutting mechanisms, when the contact rods 15 move downwards, the corresponding flux storage boxes 13 move flux to the material receiving boxes 14 and fall into the communication holes 16 on the tops of the contact rods 15 along the bottoms of the material receiving boxes 14, and flow out from the discharge hole 17 through the communication place of the communication hole 16 and the discharge hole 17, and fall in the recess of the roller main body 6 surface, the welding gun 18 fixedly connected to the side of the material receiving box 14 welds the flux flowing out immediately, thus carry on the surfacing treatment to the recess of the roller main body 6 surface, the greater the amplitude of downward movement of the bottom end of the contact rod 15 is made through the action of the elastic abutting mechanism, the greater the quantity of flux in the flux storage box 13 injected into the material receiving box 14 is, thus the flux of different degrees is improved according to the depth of the recess of the roller surface, the flatness of the roller surface after surfacing is improved, and the working effect after surfacing of the roller is ensured.
As a further embodiment of the invention, the driving and rotating mechanism comprises a limiting ring 19 and a second motor 20, wherein the limiting ring 19 is rotationally connected inside the first connecting ring 2, a special-shaped groove 21 matched with one end of the roller main body 6 is formed inside the limiting ring 19, the second motor 20 is fixedly arranged at the top of the placing table 1, a driving wheel 22 is fixedly connected to an output shaft of the second motor 20, and a driving belt 23 is in driving connection between the driving wheel 22 and the limiting ring 19; during operation, through placing the special-shaped end of the roller main body 6 in the special-shaped groove 21 in the limiting ring 19, then moving the second connecting ring 4 along the sliding rail 3, thereby sleeving the other end of the roller main body 6 in the second connecting ring 4, fixing the position of the second connecting ring 4 by using the bolt 5, driving the driving wheel 22 to rotate by starting the second motor 20 to drive the output shaft of the second motor 20, driving the limiting ring 19 to rotate by the driving action of the driving belt 23, and rotating the roller main body 6 between the first connecting ring 2 and the second connecting ring 4, thereby being beneficial to overlaying other positions of the side cambered surface of the roller main body 6.
As a further embodiment of the invention, a placement groove 24 is formed in the top of the placement table 1, a supporting plate 25 is placed in the placement groove 24, two hydraulic cylinders 26 are fixedly arranged in the placement table 1, and piston shafts of the hydraulic cylinders 26 are fixedly connected to the bottom of the supporting plate 25; during operation, after the roller main body 6 is installed between the first connecting ring 2 and the second connecting ring 4, the piston shaft of the hydraulic cylinder 26 drives the supporting plate 25 to move downwards by starting the hydraulic cylinder 26, so that the bottom support of the roller main body 6 is canceled, the roller main body 6 is convenient to rotate, the roller main body 6 is supported by the supporting plate 25 in the installation process, the installation difficulty caused by the large weight of the roller main body 6 is prevented, and the convenience of the installation of the roller main body 6 is improved.
As a further embodiment of the invention, the elastic interference mechanism comprises a sleeving ring 27 and two plug pins 28, the sleeving ring 27 is fixedly connected to the top of the material receiving box 14, the two plug pins 28 are fixedly connected to the top of the side surface of the flux storage box 13, the sleeving ring 27 is sleeved on the flux storage box 13 and is slidingly plugged on the plug pins 28, the plug pins 28 are sleeved with first springs 29, the first springs 29 are positioned between the top ends of the plug pins 28 and the top of the sleeving ring 27, the arc-shaped grooves 30 and the matching grooves 31 are respectively formed on the adjacent sides of the flux storage box 13 and the material receiving box 14, the positions of the arc-shaped grooves 30 and the matching grooves 31 are staggered, and the arc-shaped grooves 30 are positioned below the matching grooves 31; when the welding flux storage box is in operation, the bottom end of the contact rod 15 at the bottom of the material receiving box 14 is elastically abutted against the surface of the roller main body 6 through the elastic action of the first spring 29, when the bottom end of the contact rod 15 moves to the groove on the surface of the roller main body 6, the elastic action of the first spring 29 enables the material receiving box 14 to continuously move downwards and drive the bottom end of the contact rod 15 to move downwards, when the material receiving box 14 moves downwards, the positions of the arc-shaped groove 30 and the matching groove 31 are communicated, the size of the communication generated in the downward movement process is gradually increased, so that the welding flux in the welding flux storage box 13 enters the interior of the material receiving box 14 along the communication position of the arc-shaped groove 30 and the matching groove 31 and finally falls to the groove on the surface of the roller main body 6 from the discharge hole 17, the communication position of the arc-shaped groove 30 and the matching groove 31 is discharged, and the position of the communication hole 16 is gradually increased according to the structure of the arc-shaped groove 30, the corresponding welding flux is favorably increased according to the groove depth on the surface of the roller main body 6, and the flatness of the surfacing process of the roller main body 6 is improved.
As a further embodiment of the present invention, the bottom end of the contact lever 15 is provided with a ball groove 32, and the ball groove 32 is internally connected with a ball 33 in a rolling manner; in operation, by contacting the balls 33 with the surface of the roller body 6 and utilizing the rolling of the balls 33 instead of contact sliding in the moving process, the bottom end abrasion of the contact rod 15 can be effectively reduced, and the scratch damage to the surface of the roller body 6 can be reduced.
As a further embodiment of the invention, the top of the arc-shaped rod 12 is fixedly connected with two groups of teeth 34, one side of the U-shaped frame 11 is fixedly provided with two third motors 35, the output shafts of the third motors 35 are fixedly connected with half gears 36, and the half gears 36 are respectively meshed with the adjacent group of teeth 34; during operation, the two half gears 36 are reversely driven by the two third motors 35 in a synchronous and reverse mode, one half gear 36 and an adjacent group of teeth 34 are meshed and rotated to drive the arc-shaped rod 12 to move to one side around the arc, when the meshing and rotation of one half gear 36 and the adjacent group of teeth 34 are finished, the other half gear 36 and the adjacent group of teeth 34 start to mesh and rotate, the arc-shaped rod 12 is driven to move to the other side around the arc, the arc-shaped rod 12 is enabled to reciprocate left and right in the process of linear movement, the contact area between the contact rod 15 and the surface of the roller main body 6 is increased, and the efficiency in the surfacing welding process is improved; the contact bar 15 and the roller body 6 are rotated in sequence, and when the contact bar 15 moves back and forth along the roller body 6 and the surface overlaying above is finished, the roller body 6 is rotated along the axis, so that the grooves on the surfaces of other non-contacted positions are subjected to the surface overlaying treatment.
As a further embodiment of the present invention, the bottom of the arc rod 12 is fixedly connected with an arc frame 37, the arc center of the arc frame 37 is located on the rotation axis of the arc surface of the roller main body 6, and the bottom of the arc frame 37 is located on the surface of the roller main body 6; during operation, through the bottom fixed connection arc frame 37 at arc pole 12, arc pole 12 drives arc frame 37 and moves together to scrape the surface of roll main part 6 before the build-up welding, reduce the influence of the metal residue of roll main part 6 surface adhesion to the build-up welding, after moving to the end of roll main part 6 one end and breaking away from roll main part 6 surface, thereby drive the rotatory half circle of U type frame 11 through first motor 10 and continue the reverse removal build-up welding.
As a further embodiment of the invention, one side of the placement table 1 is fixedly connected with two mounting frames 38, the mounting frames 38 are slidably inserted with two connecting pins 39, one ends of the connecting pins 39 are fixedly connected with cambered surface blocks 40 together, the connecting pins 39 are sleeved with second springs 41, the second springs 41 are positioned between the mounting frames 38 and the cambered surface blocks 40, the tops of the cambered surface blocks 40 are provided with circular grooves 42, and cambered surface discs 43 are rotatably connected in the circular grooves 42; during operation, when the arc-shaped rod 12 drives the arc-shaped frame 37 to move to the end of one end of the roller main body 6 and separate from the surface of the roller main body 6 to rotate, the contact rod 15 loses contact with the surface of the roller main body 6, and flux outflow is wasted, the technical scheme can solve the problems, and the concrete working mode is as follows, the arc-shaped frame 37 can move onto the arc-shaped block 40 after separating from the surface of the roller main body 6 and continuously moves to the center of the arc-shaped disc 43, the arc-shaped frame 37 is completely positioned at the top of the arc-shaped disc 43 and is in contact with the top of the arc-shaped disc 43, the arc-shaped block 40 and the arc surface of the top of the arc-shaped disc 43 replace the roller main body 6 to contact with the contact rod 15, the contact rod 15 is prevented from losing contact extrusion to cause flux leakage, the bottom of the arc-shaped frame 37 and the top of the arc-shaped disc 43 are mutually engaged and slightly extruded, the arc-shaped frame 37 can drive the arc-shaped disc 43 to rotate in the rotating process, so that the arc-shaped frame 15 always contacts and extrudes through the top of the arc-shaped disc 43 in the rotating process, the leakage of flux is effectively reduced, and the arc-shaped block 40 drives the connecting pin 39 on the arc-shaped block 40 to move to the arc-shaped block 38 to one side of the roller main body 6, and the roller main body 6 is conveniently detached.
The working principle of the invention is as follows:
firstly, the roller main body 6 is placed between the first connecting ring 2 and the second connecting ring 4 for limiting, the sliding seat 8 moves along the guide rail 7 to drive the mounting plate 9 to move, the U-shaped frame 11 is driven to move when the mounting plate 9 moves, the U-shaped frame 11 drives the arc rod 12 to move, the arc rod 12 drives the plurality of contact rods 15 to move, as the arc centers of the arc rods 12 are positioned on the rotation axis of the cambered surface of the roller main body 6, when one ends of the plurality of contact rods 15 on the arc rod 12 are contacted with the surface of the roller main body 6, one ends of the plurality of contact rods 15 are all directed to the rotation axis of the cambered surface of the roller main body 6, when one ends of the contact rods 15 are contacted with the surface of the roller main body 6 and move, when the mounting plate 9 moves to the groove on the surface of the roller main body 6, the corresponding contact rods 15 move downwards into the groove through the action of the elastic interference mechanism, when the contact bar 15 moves downward, the corresponding flux storage box 13 moves flux into the receiving box 14, falls into the communication hole 16 at the top of the contact bar 15 along the bottom of the receiving box 14, flows out of the discharge hole 17 through the communication position of the communication hole 16 and the discharge hole 17 and falls into the groove on the surface of the roller main body 6, and the electric welding gun 18 fixedly connected to the side surface of the receiving box 14 welds the flowing flux immediately, so that the groove on the surface of the roller main body 6 is subjected to surfacing, the larger the downward movement amplitude of the bottom end of the contact bar 15 is due to the action of the elastic abutting mechanism, the larger the flux in the flux storage box 13 is injected into the receiving box 14, so that the flux with different degrees is improved according to the groove depth of the surface of the roller, the flatness of the roller after surfacing is improved, and the working effect after surfacing is ensured.
The foregoing has shown and described the basic principles, principal features and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the foregoing embodiments, but rather, the foregoing embodiments and description illustrate the principles of the invention, and that various changes and modifications may be effected therein without departing from the spirit and scope of the invention as defined by the appended claims and their equivalents.
Claims (8)
1. An automatic welding machine for roller overlaying comprises a placing table (1), and is characterized in that a first connecting ring (2) is fixedly connected to the top of the placing table (1), a sliding rail (3) is fixedly connected to the top of the placing table (1), a second connecting ring (4) is connected to the sliding rail (3) in a sliding manner, two bolts (5) are connected between the second connecting ring (4) and the placing table (1) in a threaded manner, a roller main body (6) is placed between the first connecting ring (2) and the second connecting ring (4), and a driving rotating mechanism is connected between the first connecting ring (2) and the roller main body (6);
two sets of guide rails (7) are fixedly connected to the top of the placement table (1), two guide rails (7) are arranged in number, two sliding seats (8) are arranged on the guide rails (7) in a sliding mode, a mounting plate (9) is fixedly connected between the sliding seats (8), a first motor (10) is fixedly connected to the top of the mounting plate (9), a U-shaped frame (11) is fixedly connected to the output shaft of the first motor (10) after penetrating through the mounting plate (9) and extending to the lower portion of the mounting plate (9), an arc rod (12) is connected to the U-shaped frame (11) in a sliding mode, the arc center of the arc rod (12) is located on the rotating axis of the arc surface of the roller main body (6), a plurality of storage boxes (13) are fixedly connected to the arc rod (12), a material receiving box (14) is placed on the side face of the welding flux storage box (13), a contact rod (15) is fixedly connected to the bottom of the material receiving box (14), a contact rod (16) is arranged on the top of the mounting plate (9), a contact hole (16) is formed in the side face of the welding flux storage box (13), a discharge hole (17) is formed in the side face of the welding gun, the welding gun (16) is fixedly connected to the side face (17), the welding end of the electric welding gun (18) is positioned at the opening of the discharge hole (17);
the welding flux storage box is characterized in that elastic collision mechanisms are connected to the material receiving boxes (14), and are used for enabling the bottom ends of the contact rods (15) to be in surface contact with the roller main body (6), and when the bottom ends of the contact rods (15) move downwards, the larger the amplitude is, the larger the quantity of welding fluxes in the welding flux storage boxes (13) is injected into the material receiving boxes (14), and the welding fluxes flow out of the discharge holes (17).
2. The automatic welding machine for roller overlaying according to claim 1, wherein the driving rotation mechanism comprises a limiting ring (19) and a second motor (20), the limiting ring (19) is rotationally connected inside the first connecting ring (2), a special-shaped groove (21) matched with one end of the roller main body (6) is formed inside the limiting ring (19), the second motor (20) is fixedly installed at the top of the placing table (1), a driving wheel (22) is fixedly connected to an output shaft of the second motor (20), and a driving belt (23) is connected between the driving wheel (22) and the limiting ring (19).
3. An automatic welding machine for roll overlaying according to claim 2, characterized in that the top of the placing table (1) is provided with a placing groove (24), a supporting plate (25) is placed in the placing groove (24), two hydraulic cylinders (26) are fixedly installed in the placing table (1), and piston shafts of the hydraulic cylinders (26) are fixedly connected to the bottom of the supporting plate (25).
4. An automatic welding machine for roll overlaying according to claim 1, characterized in that the elastic interference mechanism comprises a sleeve ring (27) and two plug pins (28), the sleeve ring (27) is fixedly connected to the top of the material receiving box (14), the two plug pins (28) are fixedly connected to the top of the side face of the flux storage box (13), the sleeve ring (27) is sleeved on the flux storage box (13) and is slidingly plugged on the plug pins (28), the plug pins (28) are sleeved with first springs (29), the first springs (29) are located between the top of the plug pins (28) and the top of the sleeve ring (27), the adjacent sides of the flux storage box (13) and the material receiving box (14) are respectively provided with arc grooves (30) and matching grooves (31), the positions of the arc grooves (30) and the matching grooves (31) are staggered with each other, and the arc grooves (30) are located below the matching grooves (31).
5. The automatic welding machine for roll overlaying according to claim 4, wherein the bottom end of the contact rod (15) is provided with a ball groove (32), and balls (33) are connected in the ball groove (32) in a rolling manner.
6. An automatic welding machine for roll overlaying according to claim 1, characterized in that the top of the arc-shaped rod (12) is fixedly connected with two groups of teeth (34), one side of the U-shaped frame (11) is fixedly provided with two third motors (35), the output shafts of the third motors (35) are fixedly connected with half gears (36), and the half gears (36) are respectively meshed with an adjacent group of teeth (34).
7. An automatic welding machine for roll overlaying according to claim 1, characterized in that the bottom of the arc rod (12) is fixedly connected with an arc frame (37), the arc center of the arc frame (37) is located on the rotation axis of the arc surface of the roll main body (6), and the bottom of the arc frame (37) is located on the surface of the roll main body (6).
8. The automatic welding machine for roller overlaying according to claim 7, wherein two mounting frames (38) are fixedly connected to one side of the placing table (1), two connecting pins (39) are slidably inserted on the mounting frames (38), arc-surface blocks (40) are fixedly connected to one ends of the connecting pins (39) together, second springs (41) are sleeved on the connecting pins (39), the second springs (41) are located between the mounting frames (38) and the arc-surface blocks (40), circular grooves (42) are formed in the tops of the arc-surface blocks (40), and arc-surface discs (43) are rotatably connected to the inside of the circular grooves (42).
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310567570.8A CN116618791B (en) | 2023-05-19 | 2023-05-19 | Automatic welding machine for roller overlaying |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310567570.8A CN116618791B (en) | 2023-05-19 | 2023-05-19 | Automatic welding machine for roller overlaying |
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| CN116618791B CN116618791B (en) | 2024-03-01 |
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| CN2754796Y (en) * | 2004-09-29 | 2006-02-01 | 上海施威焊接产业有限公司 | Arm automatic build-up welder of roller |
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| CN110653542A (en) * | 2018-06-30 | 2020-01-07 | 湖北新冶金属表面处理科技有限公司 | Gantry type roller surfacing device |
| CN110653452A (en) * | 2018-06-30 | 2020-01-07 | 湖北新冶金属表面处理科技有限公司 | Roller surfacing repair device |
| CN112548483A (en) * | 2020-11-26 | 2021-03-26 | 莱芜盛鼎特殊冶金材料再制造有限公司 | Automatic welding device for roll surfacing |
| KR102310787B1 (en) * | 2020-08-20 | 2021-10-08 | 탐코리아 주식회사 | Overlay welding apparatus |
| CN217096271U (en) * | 2021-12-14 | 2022-08-02 | 石横特钢集团有限公司 | Auxiliary support for roller surfacing |
| CN115815746A (en) * | 2022-12-05 | 2023-03-21 | 辽宁科技大学 | Hanging type self-feedback temperature control surfacing equipment and process method |
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2023
- 2023-05-19 CN CN202310567570.8A patent/CN116618791B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2754796Y (en) * | 2004-09-29 | 2006-02-01 | 上海施威焊接产业有限公司 | Arm automatic build-up welder of roller |
| CN205147646U (en) * | 2015-12-07 | 2016-04-13 | 攀枝花市力天工贸有限责任公司 | Roller build -up welding machine |
| CN110653542A (en) * | 2018-06-30 | 2020-01-07 | 湖北新冶金属表面处理科技有限公司 | Gantry type roller surfacing device |
| CN110653452A (en) * | 2018-06-30 | 2020-01-07 | 湖北新冶金属表面处理科技有限公司 | Roller surfacing repair device |
| KR102310787B1 (en) * | 2020-08-20 | 2021-10-08 | 탐코리아 주식회사 | Overlay welding apparatus |
| CN112548483A (en) * | 2020-11-26 | 2021-03-26 | 莱芜盛鼎特殊冶金材料再制造有限公司 | Automatic welding device for roll surfacing |
| CN217096271U (en) * | 2021-12-14 | 2022-08-02 | 石横特钢集团有限公司 | Auxiliary support for roller surfacing |
| CN115815746A (en) * | 2022-12-05 | 2023-03-21 | 辽宁科技大学 | Hanging type self-feedback temperature control surfacing equipment and process method |
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| CN116618791B (en) | 2024-03-01 |
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Effective date of registration: 20240419 Address after: 528000 Room 701, Building 2, No. 55, Huanzhen East Road, Shunjiang Community, Beijiao Town, Shunde District, Foshan City, Guangdong Province Patentee after: Foshan Junbang Mechanical and Electrical Equipment Co.,Ltd. Country or region after: China Address before: Room 2402, Building 3, Vanke Colorful Four Seasons Garden, No. 3, Synthetic Fochen Road, Chencun Town, Shunde District, Foshan City, Guangdong Province, 528300 Patentee before: Jiang Yong Country or region before: China |