CN108127302B - Welding repair device for roll shaft of movable roller press - Google Patents
Welding repair device for roll shaft of movable roller press Download PDFInfo
- Publication number
- CN108127302B CN108127302B CN201810057047.XA CN201810057047A CN108127302B CN 108127302 B CN108127302 B CN 108127302B CN 201810057047 A CN201810057047 A CN 201810057047A CN 108127302 B CN108127302 B CN 108127302B
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- Prior art keywords
- roll shaft
- roller
- supporting
- movable
- welding
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- 238000003466 welding Methods 0.000 title claims abstract description 116
- 238000004321 preservation Methods 0.000 claims abstract description 35
- 238000010438 heat treatment Methods 0.000 claims abstract description 27
- 210000003128 head Anatomy 0.000 claims description 43
- 230000000694 effects Effects 0.000 claims description 6
- 238000009434 installation Methods 0.000 claims description 3
- 238000005096 rolling process Methods 0.000 claims description 3
- 239000012141 concentrate Substances 0.000 claims description 2
- 238000001514 detection method Methods 0.000 claims description 2
- 238000009413 insulation Methods 0.000 claims 1
- 238000005299 abrasion Methods 0.000 description 2
- 238000005266 casting Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000006748 scratching Methods 0.000 description 1
- 230000002393 scratching effect Effects 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Classifications
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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
-
- 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
-
- 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
- B23K37/0461—Welding tables
-
- 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
Abstract
A welding repair device for a roll shaft of a movable roller press comprises a movable repair platform, a detachable fixing frame, a control device, a roll shaft supporting device, a driving device, a roll shaft positioning device, a roll shaft limiting device, a heating device, a heat preservation device, a welding gun fixing device and a welding gun. The movable repair platform is connected with the detachable fixing frame through the slot so as to be convenient to install and detach, and the movable repair platform is provided with rollers, and the detachable fixing frame can be further detached so as to conveniently transport the welding repair device to a roller shaft repair site for repair. In addition, different welding guns can be fixed to welder fixing device to the different demands to welder when adapting to welding repair roller, the axis position of roller that roller positioner can be accurate confirms the roller, makes roller axis and predetermined axis position coincidence through adjusting roller strutting arrangement, and roller stop device can prevent that the roller from taking place the skew when repairing, and roller strutting arrangement can adjust according to the roller of difference.
Description
Technical Field
The invention relates to the technical field of roller shaft welding repair devices of roller presses, in particular to a movable roller shaft welding repair device of a roller press.
Background
The roll shaft of the roll squeezer is a main working part of the roll squeezer, the roll shaft of the existing roll squeezer is a casting part, the problem of serious abrasion exists in the working process, the roll shaft of the roll squeezer with serious abrasion is scrapped, the production cost is increased, the waste of resources is caused, and therefore, the roll shaft is regenerated in a welding repair mode after the roll shaft of the existing roll squeezer is abraded. However, the existing welding repair equipment for roll shafts of the roll presses is large and heavy, and is inconvenient to move, so that only the roll shaft to be repaired can be transported to a repair manufacturer, thereby increasing the repair period of the roll shaft of the roll press, and further damage to the roll shaft can occur when the roll shaft of the roll press is transported.
Disclosure of Invention
In view of the foregoing, it is desirable to provide a portable roller welding repair device for a roller press that is portable and transportable to a repair site.
The utility model provides a portable roll squeezer roller welding repair device, including portable repair platform, detachable mount, controlling means, roller strutting arrangement, drive arrangement, roller positioner, roller stop device, heating device, heat preservation device, welder fixing device, welder, be provided with four mount slots that are used for installing detachable mount on the portable repair platform, a plurality of slip logical groove that is used for making things convenient for roller strutting arrangement to slide, a plurality of support slide rail, mount slot sets up in portable repair platform's four corners department, a plurality of slip logical groove, a plurality of support slide rail are parallel with the roller axis, a plurality of slip logical groove sets up on portable repair platform's central line, a plurality of support slide rail evenly set up in the both sides of slip logical groove; the detachable fixing frame is connected with the movable repairing platform through a fixing frame slot so as to facilitate detachment and installation of the detachable fixing frame, the detachable fixing frame comprises four supporting rods with equal length, a beam frame and a beam, one end of each supporting rod is arranged in the fixing frame slot to be at a fixed position so that the detachable fixing frame is connected with the movable repairing platform, the other end of each supporting rod is connected with the beam frame so as to fix the beam frame above the roll shaft, the beam is arranged above the beam frame, and the direction of the beam is parallel to the axis direction of the roll shaft; the control device is arranged at one side of the movable repairing platform, is connected with a power supply, and is respectively connected with the driving device, the roll shaft supporting device, the roll shaft positioning device and the welding gun fixing device so as to supply power to the driving device, the roll shaft supporting device, the roll shaft positioning device and the welding gun fixing device respectively and control the working state; the roller shaft supporting device is arranged at the front end and the rear end of a roller shaft to be repaired and is perpendicular to the axis of the roller shaft, the roller shaft supporting device comprises two groups of supporting seats, an adjusting motor and supporting seat adjusting screws, the adjusting motor is arranged at the central position below the movable repairing platform and is connected with the bottom ends of the supporting seats through the supporting seat adjusting screws so as to drive the supporting seat adjusting screws to rotate through the operation of the adjusting motor, the distance between the two groups of supporting seats is adjusted, the bottom ends of the supporting seats penetrate through sliding through grooves and move along supporting sliding rails, each group of supporting seats comprises two supporting wheels and supporting wheel adjusting screws connected with the two supporting wheels, the distance between the two supporting wheels is adjusted through the rotating supporting wheel adjusting screws, and supporting wheel rocking handles are arranged on the supporting wheel adjusting screws so as to facilitate the rotating supporting wheel adjusting screws; the driving device comprises a motor and a reduction gearbox, wherein the motor is connected with the control device, one end of the reduction gearbox is connected with the motor, and the other end of the reduction gearbox is connected with the supporting wheel, so that the motor drives the supporting wheel to rotate through the reduction gearbox, and further drives the roll shaft to rotate through friction; the roll shaft positioning devices are arranged at the front end and the rear end of the movable repairing platform, the roll shaft positioning devices comprise laser emitting devices, the laser emitting devices are arranged in planes perpendicular to the movable repairing platform, the axes of the roll shafts are positioned in the planes, and laser emitted by the laser emitting devices at the front end and the rear end of the movable repairing platform are positioned on the same straight line in the horizontal plane so as to determine the axial position of the roll shafts; the roll shaft limiting devices are arranged at the front end and the rear end of the movable repairing platform, the symmetrical surfaces of the roll shaft limiting devices are planes perpendicular to the movable repairing platform, the roll shaft limiting devices comprise limiting frames used for limiting the position of the roll shaft and roll shaft protection devices used for preventing the roll shaft from being scratched, the limiting frames are fixedly connected with the movable repairing platform relatively, and the roll shaft protection devices are arranged at the shaft ends of the limiting frames close to the roll shaft so as to prevent the roll shaft limiting devices from scratching the roll shaft when repairing the roll shaft after limiting the roll shaft; the heating device is arranged on the movable repairing platform, is positioned between the two groups of supporting seats and corresponds to the position below the roll shaft, so as to heat the roll shaft when repairing the roll shaft; the heat preservation device is arranged at the position of the area to be repaired of the roll shaft and is connected with the detachable fixing frame to fix the position of the heat preservation device, the heat preservation device is arranged in a semi-oval shape with a short half shaft larger than the maximum radius of the roll shaft, the edge of the semi-oval shape is provided with a heat preservation baffle plate perpendicular to the axis of the roll shaft and extends towards the axis direction so as to increase the heat preservation effect, and a welding gun working port is arranged at the upper end of the heat preservation device corresponding to the position of the gun head of the welding gun so as to facilitate the welding repair of the welding gun to the roll shaft; the welding gun fixing device is arranged on a cross beam of the detachable fixing frame, and comprises a connecting device, a welding wire fixing end and a gun head fixing end, wherein the connecting device is connected with the cross beam to fix the welding gun fixing device on the cross beam, a welding wire rolling disc is arranged on the welding wire fixing end to fix welding wires and provide welding wires for welding a welding gun, and a gun head clamping device is arranged on the gun head fixing end to fix the gun head of the welding gun; the welding gun is arranged in the gun head clamping device.
Preferably, the roller shaft limiting device further comprises a limiting guide rail, a sliding block and a fastening bolt, wherein the limiting guide rail is arranged on the movable repairing platform, the limiting guide rail is located at the middle position of the front end and the rear end of the movable repairing platform and fixedly connected with the movable repairing platform, the limiting frame is connected with the limiting guide rail and moves along the direction of the limiting guide rail, the limiting guide rail is provided with a sliding block groove, the sliding block slides along the sliding block groove, the position corresponding to the sliding block groove on the limiting frame is provided with the fastening bolt groove, the fastening bolt penetrates through the fastening bolt groove and the upper end of the sliding block to be fixedly connected with the fastening bolt, the limiting guide rail is connected with the limiting guide rail through the fastening bolt, a limiting guide screw is further arranged between the limiting frame and the limiting guide rail, the limiting guide rail is fixedly connected with the limiting guide screw through a limiting bearing, a screw through hole is formed in the position corresponding to the limiting guide screw through rotating the limiting guide screw, the distal roller shaft end of the limiting guide screw is provided with a rotating rocking handle to conveniently rotate the limiting guide screw, the roller shaft protecting device comprises a connecting end, a scratch preventing device and a height adjusting guide screw, the proximal roller shaft end of the limiting frame is provided with a connecting chute, the connecting end is arranged in the connecting chute, the connecting end is connected with the connecting guide rail, the connecting end and the connecting end is connected with the connecting end through the height adjusting device through the scratch preventing device and the height adjusting device.
Preferably, the roll shaft positioning device further comprises a horizontal detection device arranged on the movable repairing platform so as to detect the levelness of the movable repairing platform and further ensure that the roll shaft axis determined by the roll shaft positioning device is in a horizontal plane; after the roller to be repaired is placed on the roller supporting device, the axial line of the roller is overlapped with the axial line of the roller determined by the roller positioning device by adjusting the supporting wheel adjusting screw, and the driving device is provided with two groups which are respectively connected with the supporting wheels on the same side in the two groups of supporting seats.
Preferably, the left side and the right side of the detachable fixing frame are respectively provided with a heat-preserving supporting rod, the heat-preserving supporting rods are provided with threaded holes, and the heat-preserving device is provided with a bolt upright post close to the threaded holes on the heat-preserving supporting rods so as to connect the heat-preserving device with the heat-preserving supporting rods through bolts, and then fix the heat-preserving device; the heat preservation device is also provided with an observation window for conveniently observing the welding repair state of the roller shaft, and the observation window is provided with an eye protection device for preventing strong light from stabbing eyes during welding.
Preferably, an adjusting device is arranged between the welding wire fixing end and the gun head fixing end of the welding gun fixing device, the adjusting device comprises an adjusting rod and an adjusting sleeve, the adjusting sleeve is fixedly connected with the connecting device, the adjusting rod is arranged in the adjusting sleeve and moves along the direction of the adjusting sleeve, the adjusting rod is respectively connected with the welding wire fixing end and the gun head fixing end, so that the distance between the welding wire fixing end and the gun head fixing end is fixed, and the distance between the gun head and a roll shaft to be repaired is adjustable; the gun head clamping device comprises a gun head mounting device and a clamping device, so that the gun head is fixed through the clamping device after being mounted in the gun head mounting device.
Preferably, the four corners of the bottom surface of the movable repairing platform are respectively provided with a roller so as to facilitate the movable working platform, and the rollers are also provided with anti-sliding valves so as to prevent the movable repairing platform from sliding when repairing the roller shaft.
Preferably, support rod sleeves are arranged at four corners of the bottom end of the beam frame so as to fixedly connect the beam frame with the support rods relatively, the two ends of the beam are respectively provided with a beam fixing sleeve, the size of the beam fixing sleeve is matched with that of the beam frame so as to conveniently adjust the position of the beam, and bolt holes are formed in the beam fixing sleeves so as to fixedly connect the beam fixing sleeves with the beam frame relatively through fixing bolts.
Preferably, the roll shaft positioning device further comprises a position adjusting device and a position adjusting bolt, the position adjusting device is a cylinder which is communicated in the front-back direction and is arranged at the upper end of the roll shaft limiting device, an adjusting guide rail is arranged on the inner surface of the cylinder, a bolt through hole is formed in the upper end of the cylinder, one end of the position adjusting bolt penetrates through the bolt through hole and is fixedly connected with the upper end of the laser emitting device, the position of the laser emitting device is adjusted through the rotation position adjusting bolt, and an anti-skid groove is formed in the other end of the position adjusting bolt so as to facilitate the rotation of the position adjusting bolt.
Preferably, the heating device is a plurality of heating torches, and the plurality of heating torches are arranged in one cambered surface so as to concentrate flames of the plurality of heating torches and better realize heating effect.
Preferably, the scratch-proof device is a bearing.
The invention provides a welding repair device for a roll shaft of a movable roller press, which comprises a movable repair platform, a detachable fixing frame, a control device, a roll shaft supporting device, a driving device, a roll shaft positioning device, a roll shaft limiting device, a heating device, a heat preservation device, a welding gun fixing device and a welding gun. The movable repair platform is connected with the detachable fixing frame through the slot so as to be convenient to install and detach, and the movable repair platform is provided with rollers, and the detachable fixing frame can be further detached so as to conveniently transport the welding repair device to a roller shaft repair site for repair. In addition, different welding guns can be fixed to welder fixing device to the different demands to welder when adapting to welding repair roller, the axis position of roller that roller positioner can be accurate confirms the roller, makes roller axis and predetermined axis position coincidence through adjusting roller strutting arrangement, and roller stop device can prevent that the roller from taking place the skew when repairing, and roller strutting arrangement can also adjust the interval in order to adapt to different roller according to the roller of difference.
Drawings
Fig. 1 is a schematic structural view of a roll shaft welding repair device of a roll press.
Fig. 2 is a front view of a roll shaft welding repair device of the roll press.
Fig. 3 is a top view of a roll shaft welding repair device of the roll press.
Fig. 4 is a left side view of a roll shaft welding repair device of the roll press.
Fig. 5 is a bottom view of a roll shaft welding repair device of the roll press.
FIG. 6 is a schematic structural view of a repair platform and a roller shaft limiting device.
Fig. 7 is a schematic view of the structure of the fixing frame and the heat preservation device.
Fig. 8 is a schematic structural view of the roller shaft supporting device and the driving device.
Fig. 9 is a schematic structural view of the roller shaft positioning device.
Fig. 10 is a schematic view of a heating apparatus.
Fig. 11 is a schematic view of a welding gun fixing device.
In the drawing, a roller welding repair device 1, a movable repair platform 2, a control device 21, a fixing frame slot 22, a sliding through groove 23, a supporting slide rail 24, a roller 25, an anti-slide valve 26, a detachable fixing frame 3, a supporting rod 31, a beam frame 32, a beam 33, a heat-preserving supporting rod 34, a beam fixing sleeve 35, a fixing bolt 36, a roller shaft supporting device 4, a supporting seat 41, an adjusting motor 42, a supporting seat adjusting screw 43, a supporting wheel 44, a supporting wheel rocking handle 45, a driving device 5, a motor 51, a reduction gearbox 52, a roller shaft positioning device 6, a laser emitting device 61, a position adjusting device 62, a position adjusting bolt 63, a horizontal detecting device 64, a roller shaft limiting device 7, a limiting frame 71, a bearing 72, a limiting guide rail 73, a connecting end 74, a fastening bolt 75, a rotating rocking handle 76, a heating device 8, a heating torch 81, a heat-preserving device 9, a heat-preserving baffle 91, a welding gun working port 92, a bolt upright 93, an observation window 94, a welding gun fixing device 10, a welding gun 101, a connecting device 102, a gun head mounting device 103, a clamping device 104, an adjusting rod 105, and an adjusting sleeve 106 are shown.
Detailed Description
The present invention will be described in detail below with reference to specific embodiments and drawings so that those skilled in the art can better understand the advantages of the present invention.
Referring to fig. 1 to 5, a roller welding repair device 1 of a mobile roller press includes a mobile repair platform 2, a control device 21, a detachable fixing frame 3, a roller supporting device 4, a driving device 5, a roller positioning device 6, a roller limiting device 7, a heating device 8, a heat preservation device 9, a welding gun fixing device 10 and a welding gun 101, wherein the control device 21, the detachable fixing frame 3, the roller supporting device 4, the roller limiting device 6 and the heating device 8 are arranged on the repair platform, the driving device 5 is connected with the roller supporting device 4, the roller positioning device 6 is arranged at the upper end of the roller limiting device 7, the heat preservation device 9, the welding gun fixing device 10 and the fixing frame 2 are relatively and fixedly connected, and the welding gun 101 is fixed by the welding gun fixing device 10.
Further, referring to fig. 6, a control device 21 is disposed at one side of the mobile repair platform 2, the control device 21 is connected to a power source and is respectively connected to the driving device 5, the roll shaft supporting device 4, the roll shaft positioning device 6 and the welding gun fixing device 10 to supply power to the driving device 5, the roll shaft supporting device 4, the roll shaft positioning device 6 and the welding gun fixing device 10 respectively and control the working state; the movable repairing platform 2 is further provided with four fixing frame slots 22 for installing the detachable fixing frame 3, a plurality of sliding through grooves 23 for facilitating sliding of the roll shaft supporting device 4 and a plurality of supporting sliding rails 24, the fixing frame slots 22 are arranged at four corners of the movable repairing platform 2, the sliding through grooves 23 and the supporting sliding rails 24 are parallel to the roll shaft axis, the sliding through grooves 23 are arranged on the central line of the movable repairing platform 2, the supporting sliding rails 24 are uniformly arranged on two sides of the sliding through grooves 23, idler wheels 25 are respectively arranged at four corners of the bottom surface of the movable repairing platform 2 so as to facilitate moving work level, and anti-sliding valves 26 are further arranged on the idler wheels 25 so as to prevent the movable repairing platform 2 from sliding during repairing of the roll shaft.
Referring to fig. 7, the detachable fixing frame 3 is connected with the movable repairing platform 2 through the fixing frame slot 22, so as to facilitate detachment and installation of the detachable fixing frame 3, the detachable fixing frame 3 comprises four equal-length supporting rods 31, a beam frame 32 and a beam 33, one end of the supporting rod 31 is arranged in the fixing frame slot 22 to be at a fixed position, so that the detachable fixing frame 3 is connected with the movable repairing platform 2, the other end of the supporting rod is connected with the beam frame 32, so that the beam frame 32 is fixed above a roll shaft, the beam 33 is arranged above the beam frame 32, the direction of the beam 33 is parallel to the axis direction of the roll shaft, supporting rod 31 sleeves are arranged at four corners of the bottom end of the beam frame 32, so that the beam frame 32 and the supporting rod 31 are fixedly connected relatively, two ends of the beam 33 are respectively provided with a beam fixing sleeve 35, the size of the beam fixing sleeve 35 is matched with the size of the beam frame 32, so as to facilitate adjustment of the position of the beam 33, the beam fixing sleeve 35 is provided with bolt holes, the left and right sides of the detachable fixing frame 3 are respectively provided with supporting rods 34, the supporting rods 34 are respectively, and the heat preservation device 9 is provided with heat preservation holes for heat preservation and connection points.
Referring to fig. 8, the roller supporting device 4 is disposed at front and rear ends of a roller to be repaired and is perpendicular to an axis of the roller, the roller supporting device 4 includes two sets of supporting seats 41, an adjusting motor 42, and a supporting seat adjusting screw 43, the adjusting motor 42 is disposed at a central position below the movable repairing platform 2, the adjusting screw 43 is connected with a bottom end of the supporting seat 41 through the supporting seat adjusting screw 43, so as to drive the supporting seat adjusting screw 43 to rotate through the operation of the adjusting motor 42, thereby adjusting a distance between the two sets of supporting seats 41, the bottom end of the supporting seat 41 passes through the sliding through groove 23 and moves along the supporting slide rail 24, each set of supporting seat 41 includes two supporting wheels 44, a supporting wheel 44 adjusting screw connected with the two supporting wheels 44, so as to adjust a distance between the two supporting wheels 44 through rotating the supporting wheel 44, the supporting wheel 44 adjusting screw is provided with a supporting wheel rocking handle 45, the roller positioning device 6 further comprises a position adjusting device 62 and a position adjusting bolt 63, the position adjusting device 62 is a cylinder which is penetrated from front to back and is arranged at the upper end of the roller limiting device 7, an adjusting guide rail is arranged on the inner surface of the cylinder, a bolt through hole is arranged at the upper end of the cylinder, one end of the position adjusting bolt 63 penetrates through the bolt through hole and is fixedly connected with the upper end of the laser emitting device 61 so as to adjust the position of the laser emitting device 61 through the rotation of the position adjusting bolt 63, an anti-skid groove is arranged at the other end so as to facilitate the rotation of the position adjusting bolt 63, after the roller to be repaired is placed on the roller supporting device 4, the axis of the roller is overlapped with the roller axis determined by the roller positioning device 6 through the adjustment of the position adjusting bolt 63 by adjusting the supporting wheel 44, two groups of driving devices 5 are arranged, respectively connected with the supporting wheels 44 on the same side of the two groups of supporting seats 41.
The driving device 5 comprises a motor 51 and a reduction gearbox 52, the motor 51 is connected with the control device 21, one end of the reduction gearbox 52 is connected with the motor 51, the other end of the reduction gearbox 52 is connected with the supporting wheel 44, so that the motor 51 drives the supporting wheel 44 to rotate through the reduction gearbox 52, and further the roll shaft is driven to rotate through friction.
Referring to fig. 9, the roll shaft positioning device 6 is disposed at the front and rear ends of the movable repairing platform 2, the roll shaft positioning device 6 includes a laser emitting device 61, the laser emitting device 61 is disposed in a plane perpendicular to the movable repairing platform 2 where a roll shaft axis is located, and laser emitted by the laser emitting device 61 at the front and rear ends of the movable repairing platform 2 is on the same straight line in a horizontal plane to determine an axis position of the roll shaft, and the roll shaft positioning device 6 further includes a horizontal detecting device 64 disposed on the movable repairing platform 2 to detect a levelness of the movable repairing platform 2, so as to ensure that the roll shaft axis determined by the roll shaft positioning device 6 is in the horizontal plane.
The roll shaft limiting device 7 is arranged at the front end and the rear end of the movable repairing platform 2, the symmetrical surface of the roll shaft limiting device 7 is a plane which is perpendicular to the movable repairing platform 2 and is provided with a roll shaft axis, the roll shaft limiting device 7 comprises a limiting frame 71 used for limiting the position of the roll shaft and a roll shaft protecting device used for preventing the roll shaft from being scratched, the limiting frame 71 is fixedly connected with the movable repairing platform 2 relatively, the roll shaft protecting device is arranged at the near roll shaft end of the limiting frame 71 so as to prevent the roll shaft from being scratched when the roll shaft limiting device 7 is used for repairing the roll shaft after limiting the roll shaft, the roll shaft limiting device 7 also comprises a limiting guide rail 73, a sliding block and a fastening bolt 75, the limiting guide rail 73 is arranged on the movable repairing platform 2, is positioned at the middle position of the front end and the rear end of the movable repairing platform 2 and is fixedly connected with the movable repairing platform 2, the limiting frame 71 is connected with the limiting guide rail 73 and moves along the direction of the limiting guide rail 73, the limiting guide rail 73 is provided with a sliding block groove so that the sliding block slides along the sliding block groove, a fastening bolt 75 groove is arranged at a position on the limiting frame 71 corresponding to the sliding block groove, the fastening bolt 75 penetrates through the fastening bolt 75 groove and is fixedly connected with the upper end of the sliding block so as to fasten the limiting frame 71 to be connected with the limiting guide rail 73 through the fastening bolt 75, a limiting lead screw is also arranged between the limiting frame 71 and the limiting guide rail 73, the limiting guide rail 73 is fixedly connected with the limiting lead screw through a limiting bearing 72, a lead screw through hole is arranged at a position of the limiting frame 71 corresponding to the limiting lead screw so as to adjust the position of the limiting frame 71 through rotating the limiting lead screw, a rotating rocking handle 76 is arranged at the far roll shaft end of the limiting lead screw so as to conveniently rotate the limiting lead screw, the roll shaft protection device comprises a connecting end 74, a bearing 72 and a height adjusting lead screw, a connecting chute is arranged at the near roll shaft end of the limiting frame 71, the connecting end 74 is arranged in the connecting chute, the bearing 72 is connected with the connecting end 74, the height adjusting screw rod is fixedly connected with the lower end of the connecting end 74, a threaded through hole is formed in the position, corresponding to the height adjusting screw rod, of the limiting frame 71, the connecting end 74 is driven to move along the connecting chute through rotation of the height adjusting screw rod, and then the height of the bearing 72 is adjusted.
Referring to fig. 10, the heating device 8 is disposed on the movable repairing platform 2, and is located between the two groups of supporting seats 41 and corresponds to a position below the roll shaft to heat the roll shaft when repairing the roll shaft, the heating device 8 is a plurality of heating torches 81, and the plurality of heating torches 81 are disposed in a cambered surface, so that flames of the plurality of heating torches 81 are concentrated, and a better heating effect is achieved.
The heat preservation device 9 is arranged at the position of the area to be repaired of the roll shaft and is connected with the detachable fixing frame 3 to fix the position of the heat preservation device 9, the heat preservation device 9 is arranged in a semi-oval shape with a short half shaft larger than the maximum radius of the roll shaft, the edge of the semi-oval shape is provided with a heat preservation baffle 91 perpendicular to the axis of the roll shaft and extends towards the axis direction so as to increase the heat preservation effect, the upper end of the heat preservation device 9 is provided with a working opening 92 of the welding gun 101 corresponding to the gun head of the welding gun 101 so as to facilitate the welding repair of the welding gun 101 to the roll shaft, and the position, close to a threaded hole on the heat preservation support rod 34, of the heat preservation device 9 is provided with a bolt upright post 93 so as to connect the heat preservation device 9 with the heat preservation support rod 34 through a bolt to fix the heat preservation device 9; the heat preservation device 9 is also provided with an observation window 94 to facilitate observation of the welding repair state of the roller shaft, and the observation window 94 is provided with an eye protection device to prevent strong light from stabbing eyes during welding.
Referring to fig. 11, a welding gun fixing device 10 is disposed on a beam 33 of a detachable fixing frame 3, the welding gun fixing device 10 includes a connecting device 102, a welding wire fixing end, and a gun head fixing end, the connecting device 102 is connected with the beam 33 to fix the welding gun fixing device 10 on the beam 33, a welding wire rolling disc is disposed on the welding wire fixing end to fix welding wires and provide welding wires for welding gun 101, a gun head clamping device is disposed on the gun head fixing end to fix the gun head of the welding gun 101, the welding gun 101 is disposed in the gun head clamping device, an adjusting device is disposed between the welding wire fixing end and the gun head fixing end of the welding gun fixing device 10, the adjusting device includes an adjusting rod 105 and an adjusting sleeve 106, the adjusting sleeve 106 is fixedly connected with the connecting device 102, the adjusting rod 105 is disposed in the adjusting sleeve 106 to move along the direction of the adjusting sleeve 106, the adjusting rod 105 is respectively connected with the welding wire fixing end and the gun head fixing end, so that the distance between the welding wire fixing end and the gun head fixing end is fixed, and the distance between the gun head fixing end and a roller to be repaired is adjustable; the gun head clamping device comprises a gun head mounting device 103 and a clamping device 104, so that the gun head is fixed through the clamping device 104 after being mounted in the gun head mounting device 103.
Claims (10)
1. A welding repair device for a roll shaft of a movable roller press is characterized in that: comprises a movable repairing platform, a detachable fixing frame, a control device, a roll shaft supporting device, a driving device, a roll shaft positioning device, a roll shaft limiting device, a heating device, a heat preservation device, a welding gun fixing device and a welding gun,
the movable repairing platform is provided with four fixing frame slots for installing a detachable fixing frame, a plurality of sliding through grooves for facilitating sliding of a roll shaft supporting device and a plurality of supporting sliding rails, the fixing frame slots are arranged at four corners of the movable repairing platform, the sliding through grooves and the supporting sliding rails are parallel to the roll shaft axis, the sliding through grooves are arranged on the central line of the movable repairing platform, and the supporting sliding rails are uniformly arranged at two sides of the sliding through grooves;
the detachable fixing frame is connected with the movable repairing platform through a fixing frame slot so as to facilitate the detachment and the installation of the detachable fixing frame, the detachable fixing frame comprises four supporting rods with equal length, a beam frame and a beam, one end of each supporting rod is arranged in the fixing frame slot so as to be at a fixed position, the detachable fixing frame is connected with the movable repairing platform, the other end of each supporting rod is connected with the beam frame so as to fix the beam frame above a roll shaft, the beam is arranged above the beam frame, and the direction of the beam is parallel to the axis direction of the roll shaft;
the control device is arranged on one side of the movable repair platform, is connected with a power supply, and is respectively connected with the driving device, the roll shaft supporting device, the roll shaft positioning device and the welding gun fixing device so as to respectively provide power for the driving device, the roll shaft supporting device, the roll shaft positioning device and the welding gun fixing device and control the working state;
the roller shaft supporting device is arranged at the front end and the rear end of a roller shaft to be repaired and is perpendicular to the axis of the roller shaft, the roller shaft supporting device comprises two groups of supporting seats, an adjusting motor and supporting seat adjusting screws, the adjusting motor is arranged at the central position below the movable repairing platform and is connected with the bottom ends of the supporting seats through the supporting seat adjusting screws so as to drive the supporting seat adjusting screws to rotate through the operation of the adjusting motor, the distance between the two groups of supporting seats is adjusted, the bottom ends of the supporting seats penetrate through the sliding through grooves and move along the supporting sliding rail, each group of supporting seats comprises two supporting wheels and supporting wheel adjusting screws connected with the two supporting wheels so as to adjust the distance between the two supporting wheels through rotating the supporting wheel adjusting screws, and supporting wheel rocking handles are arranged on the supporting wheel adjusting screws so as to conveniently rotate the supporting wheel adjusting screws;
the driving device comprises a motor and a reduction gearbox, the motor is connected with the control device, one end of the reduction gearbox is connected with the motor, and the other end of the reduction gearbox is connected with the supporting wheel, so that the motor drives the supporting wheel to rotate through the reduction gearbox, and further the roll shaft is driven to rotate through friction;
the roll shaft positioning devices are arranged at the front end and the rear end of the movable repairing platform, the roll shaft positioning devices comprise laser emitting devices, the laser emitting devices are arranged in planes perpendicular to the movable repairing platform, and laser emitted by the laser emitting devices at the front end and the rear end of the movable repairing platform are on the same straight line in the horizontal plane so as to determine the axial position of the roll shaft;
the roll shaft limiting devices are arranged at the front end and the rear end of the movable repairing platform, the symmetrical surfaces of the roll shaft limiting devices are planes perpendicular to the movable repairing platform, the plane of the roll shaft axes is the plane where the roll shaft axes are located, the roll shaft limiting devices comprise limiting frames used for limiting the positions of the roll shafts and roll shaft protection devices used for preventing the roll shafts from being scratched, the limiting frames are fixedly connected with the movable repairing platform relatively, and the roll shaft protection devices are arranged at the ends, close to the roll shaft ends, of the limiting frames so as to prevent the roll shafts from being scratched when the roll shafts are repaired after the roll shaft limiting devices limit the roll shafts;
the heating device is arranged on the movable repairing platform, is positioned between the two groups of supporting seats and corresponds to the position below the roll shaft, so as to heat the roll shaft when repairing the roll shaft;
the heat preservation device is arranged at the position of the area to be repaired of the roll shaft and is connected with the detachable fixing frame to fix the position of the heat preservation device, the heat preservation device is arranged in a semi-oval shape with a short half shaft larger than the maximum radius of the roll shaft, a heat preservation baffle plate perpendicular to the axis of the roll shaft is arranged at the edge of the semi-oval shape and extends towards the axis direction, so that the heat preservation effect is improved, and a welding gun working port is arranged at the upper end of the heat preservation device corresponding to the position of the gun head of the welding gun, so that the welding gun can conveniently weld and repair the roll shaft;
the welding gun fixing device is arranged on the cross beam of the detachable fixing frame and comprises a connecting device, a welding wire fixing end and a gun head fixing end, the connecting device is connected with the cross beam to fix the welding gun fixing device on the cross beam, a welding wire rolling disc is arranged on the welding wire fixing end to fix welding wires and provide welding wires for welding of the welding gun, and a gun head clamping device is arranged on the gun head fixing end to fix the gun head of the welding gun;
the welding gun is arranged in the gun head clamping device.
2. The welding repair device for a roll shaft of a movable roll press according to claim 1, wherein: the roller shaft limiting device further comprises a limiting guide rail, a sliding block and a fastening bolt, wherein the limiting guide rail is arranged on the movable repairing platform, the middle positions of the front end and the rear end of the movable repairing platform are fixedly connected with the movable repairing platform, the limiting frame is connected with the limiting guide rail and moves along the direction of the limiting guide rail, the limiting guide rail is provided with a sliding block groove, the sliding block slides along the sliding block groove, the position, corresponding to the sliding block groove, of the limiting frame is provided with a fastening bolt groove, the fastening bolt penetrates through the fastening bolt groove and the upper end of the sliding block to be fixedly connected with the limiting guide rail, a limiting guide screw is further arranged between the limiting frame and the limiting guide rail, the position, corresponding to the limiting guide screw, of the limiting frame is provided with a screw through hole, the position of the limiting guide rail is adjusted through rotating the limiting guide screw, the far roller shaft end of the limiting guide rail is provided with a rotating rocking handle, so that the limiting guide screw is conveniently rotated, the roller shaft protecting device comprises a connecting end, a scratch-preventing device and a height adjusting guide screw, the near roller shaft end of the limiting frame is provided with a connecting sliding groove, the connecting end is arranged in the connecting groove, the connecting end is connected with the connecting end through the connecting groove, the scratch-preventing device is connected with the height adjusting device, and the connecting end is connected with the height-adjusting device through the position of the connecting end, and the height-adjusting device.
3. The welding repair device for a roll shaft of a movable roll press according to claim 1, wherein: the roll shaft positioning device further comprises a horizontal detection device arranged on the movable repairing platform so as to detect the levelness of the movable repairing platform and further ensure that the roll shaft axis determined by the roll shaft positioning device is in a horizontal plane; after the roller to be repaired is placed on the roller supporting device, the axial line of the roller is overlapped with the axial line of the roller determined by the roller positioning device by adjusting the supporting wheel and the screw rod, and the driving device is provided with two groups which are respectively connected with the supporting wheels on the same side in the two groups of supporting seats.
4. The welding repair device for a roll shaft of a movable roll press according to claim 1, wherein: the left side and the right side of the detachable fixing frame are respectively provided with a heat-preserving supporting rod, the heat-preserving supporting rods are provided with threaded holes, and bolt stand columns are arranged at the positions, close to the threaded holes on the heat-preserving supporting rods, of the heat-preserving device so as to connect the heat-preserving device with the heat-preserving supporting rods through bolts, and then fix the heat-preserving device; the thermal insulation device is also provided with an observation window for conveniently observing the welding repair state of the roller shaft, and the observation window is provided with an eye protection device for preventing strong light from stabbing eyes during welding.
5. The welding repair device for a roll shaft of a movable roll press according to claim 1, wherein: an adjusting device is arranged between the welding wire fixing end and the gun head fixing end of the welding gun fixing device, the adjusting device comprises an adjusting rod and an adjusting sleeve, the adjusting sleeve is fixedly connected with the connecting device, the adjusting rod is arranged in the adjusting sleeve and moves along the direction of the adjusting sleeve, the adjusting rod is respectively connected with the welding wire fixing end and the gun head fixing end, so that the distance between the welding wire fixing end and the gun head fixing end is fixed, and the distance between the gun head and a roll shaft to be repaired is adjustable; the gun head clamping device comprises a gun head mounting device and a clamping device, so that the gun head is fixed through the clamping device after being mounted in the gun head mounting device.
6. The welding repair device for the roll shaft of the movable roll press according to any one of claims 1 to 5, wherein: the four corners of portable restoration platform bottom surface department is provided with the gyro wheel respectively to make things convenient for removal work level, still be provided with anti-sliding valve on the gyro wheel, in order to prevent that portable restoration platform from taking place to slide when restoring the roller.
7. The welding repair device for the roll shaft of the movable roll press according to any one of claims 1 to 5, wherein: the bottom four corners department of crossbeam frame is provided with the supporting rod cover to with crossbeam frame and bracing piece relative fixed connection, the both ends of crossbeam are provided with the fixed cover of crossbeam respectively, and the size of the fixed cover of crossbeam cooperatees with the size of crossbeam frame, in order to conveniently adjust the position of crossbeam, is provided with the bolt hole on the fixed cover of crossbeam, in order to be connected the fixed cover of crossbeam with crossbeam frame relatively through fixing bolt.
8. The welding repair device for the roll shaft of the movable roll press according to any one of claims 1 to 5, wherein: the roller positioning device further comprises a position adjusting device and a position adjusting bolt, the position adjusting device is a cylinder which is communicated from front to back, the roller positioning device is arranged at the upper end of the roller limiting device, an adjusting guide rail is arranged on the inner surface of the cylinder, a bolt through hole is formed in the upper end of the cylinder, one end of the position adjusting bolt penetrates through the bolt through hole and is fixedly connected with the upper end of the laser emitting device, the position of the laser emitting device is adjusted through the rotation position adjusting bolt, and an anti-skid groove is formed in the other end of the position adjusting bolt, so that the position adjusting bolt can be conveniently rotated.
9. The welding repair device for the roll shaft of the movable roll press according to any one of claims 1 to 5, wherein: the heating device is a plurality of heating torches, and the plurality of heating torches are arranged in one cambered surface so as to concentrate flames of the plurality of heating torches and better realize heating effect.
10. The welding repair device for a roll shaft of a movable roll press according to claim 2, wherein: the scratch-proof device is a bearing.
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| CN201810057047.XA CN108127302B (en) | 2018-01-22 | 2018-01-22 | Welding repair device for roll shaft of movable roller press |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810057047.XA CN108127302B (en) | 2018-01-22 | 2018-01-22 | Welding repair device for roll shaft of movable roller press |
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| CN108127302A CN108127302A (en) | 2018-06-08 |
| CN108127302B true CN108127302B (en) | 2023-11-24 |
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