CN115055790B - Device for automatically positioning welding peak of grinding roller of vertical mill - Google Patents
Device for automatically positioning welding peak of grinding roller of vertical mill Download PDFInfo
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- CN115055790B CN115055790B CN202210940010.8A CN202210940010A CN115055790B CN 115055790 B CN115055790 B CN 115055790B CN 202210940010 A CN202210940010 A CN 202210940010A CN 115055790 B CN115055790 B CN 115055790B
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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
- B23K9/00—Arc welding or cutting
- B23K9/12—Automatic feeding or moving of electrodes or work for spot or seam welding or cutting
- B23K9/133—Means for feeding electrodes, e.g. drums, rolls, motors
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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
- 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
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Abstract
The invention belongs to the technical field of vertical mill grinding roller welding, and particularly relates to a device for automatically positioning the welding highest point of a vertical mill grinding roller, which comprises a positioner foundation pit, a roller sleeve, a rectangular guide strip, a limiting plate, a trigger mechanism and a high point position, wherein the positioner foundation pit which is convenient for a rotary platform to rotate around a driving rotating shaft is arranged on a foundation; two fixing bases for fixing the driving rotating shaft are symmetrically arranged on two sides of the foundation pit of the positioner; the small end of the roller sleeve with the high point position is fixedly arranged on the rotary platform through a plurality of equal-height blocks; the vertical beam is fixedly arranged on the foundation; the upper and lower driving devices are arranged on the vertical beam in a sliding fit manner; the final position of the wire feeding mechanism is that the eccentric distance between the axis of the gun head on the wire feeding mechanism and the vertical axis of the roller sleeve is 2cm-3cm, the process does not need intervention of excessive operators, the movement position is accurate, the optimal position required by the grinding roller welding process of the vertical mill is accurately reached, and the surfacing quality is ensured.
Description
Technical Field
The invention belongs to the technical field of vertical mill grinding roller welding, and particularly relates to a device for automatically positioning a welding peak of a vertical mill grinding roller.
Background
In the process of welding an outer circular surface by using an existing vertical grinding roller, because a roller sleeve rotates clockwise, a feeding mechanism is in a non-moving state, if a welding gun is positioned on the right side of the vertical central axis of the roller sleeve at the moment, molten pool metal which is welded and melted flows downwards, the height of a welding seam is increased, arc radiation on the surface of the molten pool is greatly reduced, the fusion width is also greatly reduced, the appearance coefficient of the welding seam is greatly reduced, the phenomenon that the edge of the welding seam is not fused or the phenomenon that meat bites occurs is caused, the appearance size of a welded roller sleeve finished product is seriously poor, meanwhile, the welding gun pair is a part behind the molten pool, once the welding speed is slightly increased, welding bubbles are easily caused, the welding quality is seriously influenced, in the process of welding the vertical grinding roller for a long time, the roller sleeve rotates, the feeding mechanism is in the non-moving state, if the position of the welding gun is positioned on the left side of the vertical central axis of the roller sleeve at the moment and has an empirical value of 2cm-3cm, the welding quality is very good, the welding quality, the width and the welding quality is ensured to be an irreversible bead welding machine by a large number of vertical grinding roller sleeve and a bead welding worker is controlled by a rough manual movement operation.
Disclosure of Invention
The invention overcomes the defects of the prior art and provides a device for automatically positioning the welding highest point of the grinding roller of the vertical mill; the problem of lack the device of peak when can the vertical mill grinding roller welding of automatic positioning at present is solved.
In order to achieve the above object, the present invention is achieved by the following technical solutions.
The utility model provides an automatic device of location vertical mill grinding roller welding peak, including the ground, the short-span beam sets up on the ground through front and back drive arrangement and upper and lower drive arrangement, be provided with on the ground and be used for rotary platform around the rotatory machine foundation ditch of shifting of drive pivot, the roller shell that has the high point position is fixed in on the rotary platform, it is provided with build-up welding structure to slide on the short-span beam, build-up welding mechanism includes drive shell and the thread feeding mechanism of sliding connection on the short-span beam, the drive shell is embedded inside the thread feeding mechanism, the side of drive shell is provided with one-way drive arrangement, be provided with mutual locking mechanism between drive shell and the thread feeding mechanism, the last vertical welder pole that is provided with of thread feeding mechanism, the terminal surface rotates under the drive shell and is connected with trigger mechanism, the fixed limiting plate that is provided with of terminal surface under the drive shell, trigger mechanism and limiting plate effect back, trigger build-up welding mechanism work.
Furthermore, a vertical beam is fixedly arranged on a foundation on the front side of the foundation pit of the positioner, an upper driving device and a lower driving device are connected onto the vertical beam in a sliding mode, a front driving device and a rear driving device are fixedly mounted on the upper driving device and the lower driving device, the front driving device and the rear driving device are connected with a long cross beam in a sliding mode, and a short cross beam is fixedly arranged at the end portion of the long cross beam.
Furthermore, the unidirectional driving device comprises a fixed column, one end of the bottom surface of the fixed column is fixedly installed on the side surface of the driving shell, a first semicircular hole and a second semicircular hole which are communicated with each other are formed in the fixed column, the first semicircular hole is only communicated with one end of the top surface of the fixed column, the second semicircular hole is not communicated with the end surfaces of the two sides of the fixed column, two rectangular holes are symmetrically formed in the outer side surface of the fixed column, a unidirectional block is connected in the rectangular holes in a sliding mode, a rack fixedly arranged on the end surface of the bottom of the inner side of the unidirectional block extends into the first semicircular hole, and a plate spring is arranged between the unidirectional block and the rectangular holes; the racks on the two unidirectional blocks are respectively meshed with cylindrical tooth parts of a first bevel gear and a third bevel gear in the first semicircular hole, the opening part on the top surface of the fixed column is rotatably connected with a second bevel gear, and the second bevel gear is respectively meshed with conical tooth parts of the first bevel gear and the third bevel gear.
Furthermore, a rectangular groove is formed in the inner portion of the one-way block on one side, a trigger block is connected to the inner portion of the rectangular groove in a sliding mode, one end, far away from the one-way block, of the trigger block extends into the rectangular hole, a C-shaped block is fixedly arranged at the end portion of the trigger block, a rectangular sliding block is connected to the inner portion of the C-shaped block in a sliding mode, a fifth fixed block is fixedly arranged in the second semicircular hole, a third telescopic rod is arranged between the fifth fixed block and the rectangular sliding block, a third spring is sleeved on the outer side of the third telescopic rod, and two ends of the third spring are fixedly connected with the fifth fixed hole and the rectangular sliding block respectively; a third plate spring is fixedly arranged on the outer side surface of the trigger block and is in contact with the inner bottom surface of the rectangular hole; the rectangular sliding block is fixedly provided with a fourth rack, a second gear is arranged in the second semicircular hole in a rotating mode, the second gear is meshed with the fourth rack, the second gear is located above the fourth rack, the second gear is meshed with the upper end of the fourth rack, the fourth rack does not drive the second gear to rotate when moving downwards, and the fourth rack can drive the second gear to rotate when moving upwards.
Furthermore, a through hole is formed in the bottom surface of the second semicircular hole, a second rack hole penetrating through the fixing column is formed in the fixing column, and the through hole is communicated with the second rack hole; the through hole is connected with a first gear in a rotating mode, the first gear is meshed with a second gear, a vertical braking rack is connected inside the second rack hole in a sliding mode, and the braking rack is meshed with the first gear.
Furthermore, inclined planes are arranged at one ends of the outer sides of the two unidirectional blocks, and the inclined planes of the two unidirectional blocks are symmetrical relative to the axis center of the fixed column; the outer side of the fixed column is sleeved with a first fixing ring, the inner circular surface of the first fixing ring is uniformly provided with a plurality of rectangular teeth along the circumferential direction, the outer side surface of the first fixing ring is provided with a gear ring, and the rectangular teeth of the inner circular surface are matched with the inclined surfaces of the two one-way blocks; the gear ring on the outer side surface is mechanically matched with the triggering mechanism.
Furthermore, the locking mechanism is arranged below the fixed column and comprises a horizontally arranged T-shaped strip, a locking block is connected onto the T-shaped strip in a sliding manner, a third fixed block is fixedly arranged on the T-shaped strip, a telescopic rod is arranged between the third fixed block and the locking block, and a spring is sleeved on the outer side of the telescopic rod; a clamping block is fixedly arranged on the end surface of the wire feeding mechanism, a locking hole is arranged on the clamping block, and the locking hole and the locking block are arranged in a front-back corresponding mode; the end face of the locking block is fixedly provided with a brake block, the brake block is provided with a vertical square hole, and the square hole and the brake rack are arranged in an up-and-down corresponding mode.
Further, trigger mechanism includes two second side journal stirrup, and two second side journal stirrup fixed mounting have middle journal stirrup through stud fixed hinge joint between two second side journal stirrup on the lower terminal surface of drive shell, and the lower extreme fixed mounting of middle journal stirrup has the second fixed block, and second fixed block lower extreme is connected with the fourth fixed block through the telescopic link that cup joints the spring, and the fixed two first side journal stirrups that are provided with on the terminal surface under the fourth fixed block, and it has the cylinder wheel to articulate between two first side journal stirrups.
Furthermore, a first fixing block is fixedly arranged on the outer side face of the driving shell below the fixing column, a first rack hole which is through up and down is formed in the first fixing block, a first rack is connected in the first rack hole in a sliding mode, the lower end of the first rack is fixedly installed on a fourth fixing block through a connecting plate, and the upper end of the first rack is meshed with a gear ring outside the first fixing ring.
Furthermore, the wire feeding mechanism comprises a wire feeding device, the wire feeding device is connected to the short cross beam in a sliding mode, a driving shell is wrapped by the shell of the wire feeding device, a vertical welding gun rod is fixedly arranged on the wire feeding device, a gun head is arranged at the lower end of the welding gun rod, the eccentricity between the axis of the gun head and the axis of the cylindrical wheel is 2cm-3cm, and a damping device is arranged inside the wire feeding mechanism.
Compared with the prior art, the invention has the following beneficial effects:
according to the device, when an operator operates a driving device in a driving shell to drive a surfacing welding structure to slide on a short cross beam, the driving shell at the moment can sequentially drive a middle support lug, a second fixing block, a first spring, a first telescopic rod, a fourth fixing block, a first side support lug, a cylindrical wheel, a connecting plate and a first rack to move, the cylindrical wheel is located on the right side of the high point position of a roller sleeve, the cylindrical wheel can move upwards along the direction of the first telescopic rod under the limitation of the roller sleeve, so that the fourth fixing block installed on the roller sleeve can move upwards, the connecting plate and the first rack can move upwards, the first rack at the moment can drive a gear ring to rotate around a fixed column, a counterclockwise rotating gear ring drives a rectangular tooth installed on the gear ring to move, the rectangular tooth system can cross over a first one-way block under the action of a first inclined plane on the first one-way block, the rectangular tooth system can cross over the second one-way block under the action of the first inclined plane on the second one-way block, the gear ring can rotate around the axis of the fixed column, sleeves with different diameters, the device can automatically capture the roller sleeve, and the purpose of welding the roller sleeve is achieved, and the purpose of automatic wire feeding is achieved.
Drawings
The invention is described in further detail below with reference to the accompanying drawings:
FIG. 1 is a first perspective view of the present invention in its entirety;
FIG. 2 is a second perspective view of the present invention as a whole;
FIG. 3 is a front view of the present invention in its entirety;
fig. 4 is a schematic structural view of a rectangular bar.
Fig. 5 is a schematic view of the mounting structure of the stopper plate.
FIG. 6 is a schematic view of the trigger mechanism and sleeve position.
Fig. 7 is a schematic view of the mounting structure of the unidirectional driving apparatus.
Fig. 8 is a schematic view of the mounting structure of the cylindrical wheel.
Fig. 9 is a structural view of the first unidirectional block.
Fig. 10 is a schematic view of an installation structure of the stopper.
Fig. 11 is a schematic view of the mounting structure of the latch.
Fig. 12 is a schematic view of the mounting structure of the second spring.
Fig. 13 is a schematic view of an installation structure of the first fixing block.
Fig. 14 is a schematic view of an installation structure of the third fixing block.
Fig. 15 is a schematic view of the mounting structure of the brake rack.
Fig. 16 is a cut-away matching schematic diagram of the first one-way block and the rectangular tooth.
Fig. 17 is a schematic structural view of the first fixing ring.
Fig. 18 is a schematic view of the mounting structure of the second unidirectional block.
Fig. 19 is a cross-sectional view of the fixation post at the first semicircular hole.
FIG. 20 is a cross-sectional view of the fixation post at the second semicircular aperture.
Fig. 21 is a cross-sectional view of the stationary post at the second rack aperture.
Fig. 22 is a schematic view of the mounting structure of the first plate spring.
Fig. 23 is a schematic view of the mounting structure of the first bevel gear.
Fig. 24 is a schematic view of the mounting structure of the third plate spring.
Wherein: 1. a foundation pit of the positioner; 2. a roller sleeve; 3. a rotating platform; 4. a short cross beam; 5. a surfacing mechanism; 6. a fixed base; 7. a front and rear driving device; 8. an up-down driving device; 9. a long beam; 10. erecting a beam; 11. a foundation; 12. driving the rotating shaft; 13. a rectangular conducting bar; 14. a limiting plate; 15. a trigger mechanism; 16. a high point position; 17. a one-way drive device; 18. a wire feeder; 19. a fourth fixed block; 20. a clamping block; 21. welding a gun rod; 22. a gun head; 23. adjusting a knob; 24. a first fixed block; 25. a limiting block; 26. a connecting plate; 27. a cylindrical wheel; 28. a first side lug; 29. a first telescopic rod; 30. a first spring; 31. a middle lug; 32. a second fixed block; 33. a second side lug; 34. a first inclined plane; 35. a first unidirectional block; 36. a rectangular groove; 37. a lock hole; 38. a first rack; 39. a second spring; 40. a second telescopic rod; 41. a third fixed block; 42. an L-shaped fixing strip; 43. t-shaped strips; 44. a first rack hole; 46. a drive case; 47. a first T-shaped slot; 48. a locking block; 49. a brake pad; 50. a brake rack; 51. fixing the column; 52. a ring gear; 53. a first retaining ring; 54. rectangular teeth; 55. a first bevel gear; 56. a second rack; 57. a second bevel gear; 58. a third bevel gear; 59. a third rack; 60. a third telescopic rod; 61. a second fixing ring; 62. a second inclined plane; 63. a second unidirectional block; 64. a second rack hole; 66. a second rectangular hole; 67. a first semicircular hole; 68. a second semicircular hole; 69. a through hole; 70. a third rectangular hole; 71. a first gear; 72. a fourth rack; 73. a fifth fixed block; 74. a second fixed shaft; 75. a first plate spring; 76. a third fixed shaft; 77. a fourth fixed shaft; 78. a second plate spring; 79. a C-shaped block; 80. a trigger block; 81. a rectangular slider; 82. a second gear; 83. a fifth fixed shaft; 84. a sixth fixed shaft; 85. a third spring; 86. a third plate spring; 87. a second T-shaped slot; 88. a locking mechanism; 89. a third T-shaped slot; 90. a wire feeder; 91. a fourth rectangular aperture.
Detailed Description
In order to make the technical problems, technical solutions and beneficial effects to be solved by the present invention clearer, the present invention is further described in detail with reference to the embodiments and the accompanying drawings. It should be understood that the specific embodiments described herein are merely illustrative of the invention and do not limit the invention. The technical solution of the present invention is described in detail below with reference to the embodiments and the drawings, but the scope of protection is not limited thereto.
As shown in fig. 1-2, the invention provides a device for automatically positioning the welding highest point of a grinding roller of a vertical mill, which comprises a foundation pit 1 of a positioner, a roller sleeve 2, a rotary platform 3, a short cross beam 4, a surfacing mechanism 5, a fixed base 6, a front and rear driving device 7, an up and down driving device 8, a long cross beam 9, a vertical beam 10, a driving rotating shaft 12, a rectangular guide bar 13, a limiting plate 14, a triggering mechanism 15 and a high point position 16, and is shown in fig. 1, 2, 3 and 6.
As shown in fig. 2, a foundation pit 1 of the positioner is arranged on the foundation 11, and the positioner is used for the rotary platform 3 to rotate around the driving rotating shaft 12. Two fixing bases 6 for fixing the driving rotating shaft 12 are symmetrically arranged on two sides of the foundation pit 1 of the positioner, and two ends of the driving rotating shaft 12 are fixedly connected with the two fixing bases 6 respectively. As shown in fig. 1, 2 and 3, the rotary platform 3 is installed in front of the driving shaft 12 in a rotating fit manner, the axis of the rotary platform 3 is perpendicular to the driving shaft 12, the two fixing bases 6 are respectively located on two sides of the rotary platform 3, a driving motor rotating around the central axis of the rotary platform 3 is arranged in the rotary platform 3, the output shaft of the driving motor is fixedly connected with the driving shaft 12, and the rotary platform 3 is driven to rotate by the driving motor. The small end of the roller sleeve 2 with the high point position 16 is fixedly arranged on the front end face of the rotary platform 3 through a plurality of equal-height blocks, and the axis of the roller sleeve 2 is matched with the axis of the rotary platform 3.
As shown in fig. 1, 2, 3 and 4, the vertical beam 10 is fixedly installed on the foundation 11 along the vertical direction and is positioned at the front side of the foundation pit 1 of the positioner; the up-down driving device 8 is connected to the vertical beam 10 in a sliding manner along the vertical direction; the front and rear driving device 7 is fixedly arranged on the upper and lower driving device 8; the long beam 9 is in a horizontal state and is connected to the front and rear driving device 7 in a sliding manner along the front and rear direction horizontal direction; the short beam 4 is in a horizontal state arranged along the left and right sides and is fixedly arranged on the end part of the rear end of the long beam 9, and two rectangular guide bars 13 are symmetrically arranged at the upper end and the lower end of the end face of the rear side of the short beam 4. The surfacing mechanism 5 is slidably connected to the short beam 4 by matching with the rectangular guide bar 13.
As shown in fig. 5, a limiting plate 14 is fixedly arranged on the lower side of the build-up welding mechanism 5, a trigger mechanism 15 is further arranged on the lower side of the build-up welding mechanism 5, the trigger mechanism 15 is matched with the limiting plate 14 fixedly arranged on the lower end face of the build-up welding mechanism 5, and after the trigger mechanism 15 and the limiting plate 14 act, the build-up welding mechanism 5 is triggered to work.
As shown in fig. 7 and 8, the build-up welding mechanism 5 includes a one-way driving device 17, a wire feeding mechanism 18, a third T-shaped groove 89, a second T-shaped groove 87, a driving shell 46, and a locking mechanism 88.
As shown in fig. 8, the driving case 46 is slidably attached to the short beam 4; the one-way driving device 17 is fixedly installed on the right end face of the driving housing 46, and the one-way driving device 17 is mechanically engaged with the trigger mechanism 15. As shown in fig. 7 and 8, the right front side of the wire feeder 18 is provided with a notch through which the feeder 18 wraps the drive housing 46. The wire feeder 18 is connected to the drive housing 46 by a locking mechanism 88. The locking mechanism 88 is fixedly mounted on the right side of the drive housing 46 and mechanically coupled to the one-way driving device 17.
As shown in fig. 12, a second T-shaped groove 87 is provided on the front end surface of the drive case 46, a drive device for driving the drive case 46 to move in the direction of the rectangular lead 13 is provided in the drive case 46, and the drive case 46 is slidably connected to the short beam 4 by fitting the second T-shaped groove 87 to the rectangular lead 13.
As shown in fig. 8, the front end surface of the wire feeder 18 is provided with a third T-shaped slot 89 on the left side of the front end surface of the driving housing 46, and the wire feeder 18 is slidably connected to the rectangular guide bar 13 of the short beam 4 through the third T-shaped slot 89 thereon.
As shown in fig. 22, 23 and 24, the unidirectional driving device 17 includes an adjusting knob 23, a first inclined surface 34, a first unidirectional block 35, a rectangular groove 36, a fixed column 51, a ring gear 52, a first fixed ring 53, a rectangular tooth 54, a brake rack 50, a first bevel gear 55, a second rack 56, a second bevel gear 57, a third bevel gear 58, a third rack 59, a third telescopic rod 60, a second fixed ring 61, a second inclined surface 62, a second unidirectional block 63, a second rack hole 64, a second rectangular hole 66, a first semicircular hole 67, a second semicircular hole 68, a through hole 69, a third rectangular hole 70, a first gear 71, a fourth rack 72, a fourth rectangular hole 91, a fifth fixed block 73, a second fixed shaft 74, a first plate spring 75, a third fixed shaft 76, a fourth fixed shaft 77, a second plate spring 78, a C-shaped block 79, a trigger block 80, a rectangular sliding block 81, a second gear 82, a fifth fixed shaft 83, a sixth fixed shaft 84, a third spring 85, and a third plate spring 86.
As shown in fig. 19, 20 and 21, the fixing post 51 is a cylindrical structure, and one end of the bottom surface of the fixing post 51 is fixedly mounted on the right end surface of the driving shell 46. The inside of fixed column 51 is provided with first semicircle orifice 67 and second semicircle orifice 68, and first semicircle orifice 67 and second semicircle orifice 68 do not link up with the bottom surface of fixed column 51 to only first semicircle orifice 67 is linked together with the top surface of fixed column 51, and second semicircle orifice 68 is located the bottom of first semicircle orifice 67 and all does not communicate with the both sides terminal surface of fixed column 51, and first semicircle orifice 67 is linked together with second semicircle orifice 68, and first semicircle orifice 67 coincides mutually with the inside bottom surface of second semicircle orifice 68. The first semicircular hole 67 is located at the axis of the fixing post 51.
Two sides of the outer circumferential surface of the fixing column 51 are symmetrically provided with a second rectangular hole 66 and a fourth rectangular hole 91 respectively, and the middle positions of the second rectangular hole 66 and the fourth rectangular hole 91 are communicated with the first semicircular hole 67 through a connecting hole. The second rectangular hole 66 is opened with a third rectangular hole 70 at an end away from the top surface of the fixing column 51, and the third rectangular hole 70 is communicated with the second semicircular hole 68 and the first semicircular hole 67. The bottom surface of the second semicircular hole 68 is provided with a through hole 69; the outer circumferential surface of the fixed column 51 is provided with a second rack hole 64, and the second rack hole 64 communicates with the through hole 69. The second rack hole 64 penetrates through the fixed column 51, and the axis of the second rack hole 64 is perpendicular to the axis of the fixed column 51 but does not pass through the axis of the fixed column 51.
As shown in fig. 9, the first one-way block 35 has a square block structure, and is provided with a rectangular groove 36 in the interior thereof and a first slope 34 at one end in the width direction thereof, so that one end of the first one-way block 35 has a pointed shape. The opening of the rectangular slot 36 is located on the first ramp 34 and the opening of the rectangular slot 36 is smaller than its internal width.
As shown in fig. 18, the first one-way block 35 is slidably connected in the second rectangular hole 66 along the radial direction of the fixing post 51, and the first inclined surface 34 of the first one-way block 35 is exposed to the outside of the second rectangular hole 66. Two second plate springs 78 are disposed in the second rectangular hole 66, one end of each second plate spring 78 is fixedly mounted on the inner bottom end face of the first unidirectional block 35, and the other end is fixedly mounted on the bottom face of the second rectangular hole 66. The third rack 59 is connected inside the fixed column 51 in a sliding manner along the radial direction, one end of the third rack 59 is fixedly installed on the end face of the bottom of the inner side of the first unidirectional block 35, and the other end of the third rack 59 penetrates through a connecting hole inside the fixed column 51 and extends into the first semicircular hole 67. The third bevel gear 58 is rotatably connected in the first semicircular hole 67 through a second fixed shaft 74, the third bevel gear 58 comprises a cylindrical section tooth part and a conical section tooth part, and the cylindrical section tooth part on the third bevel gear 58 is meshed with the third rack 59.
As shown in fig. 22, 23 and 24, the second one-way block 63 provided with the second inclined surface 62 is slidably connected in the fourth rectangular hole 91 in the radial direction; two first plate springs 75 are arranged in the fourth rectangular hole 91, one end of each first plate spring 75 is fixedly installed on the bottom surface of the inside of the fourth rectangular hole 91, the other end of each first plate spring 75 is fixedly installed on the end surface of the bottom of the inner side of the second unidirectional block 63, and the first unidirectional block 35 and the second unidirectional block 63 are distributed symmetrically relative to the axis center of the fixing column. The first inclined surface 34 and the second inclined surface 62 on the first one-way block 35 and the second one-way block 63 are distributed counterclockwise for the fixing post 51. As shown in fig. 22, 23 and 24, the second rack 56 is slidably connected in the fixed column 51 along the radial direction, one end of the second rack 56 is fixedly mounted on the inner bottom end face of the second unidirectional block 63, and the other end of the second rack passes through a connecting hole in the fixed column 51 and extends into the first semicircular hole 67. As shown in fig. 22, 23 and 24, the first bevel gear 55 is rotatably connected to the inside of the first semicircular hole 67 by a third fixed shaft 76, the first bevel gear 55 comprises a cylindrical section tooth part and a conical section tooth part, and the cylindrical section tooth part of the first bevel gear 55 is meshed with the second rack 56.
The fourth fixing shaft 77 is rotatably connected to an opening on the top surface of the first semicircular hole 67 of the fixing column 51 through the second fixing ring 61, the second bevel gear 57 is rotatably connected to the inside of the fixing column 51 through the fourth fixing shaft 77, the second bevel gear 57 is respectively engaged with the tooth parts of the upper conical surface sections on the first bevel gear 55 and the third bevel gear 58, and the first bevel gear 55 and the third bevel gear 58 are synchronously rotated through the rotation of the second bevel gear 57, so that the second rack 56 and the third rack 59 are respectively driven to slide, and finally the first one-way block 35 and the second one-way block 63 are driven to stretch inside the rectangular hole.
As shown in fig. 22, 23 and 24, one end of the outer side of the trigger block 80 is slidably connected to the inside of the rectangular groove 36 of the first unidirectional block 35, the other end of the trigger block 80 extends out of the rectangular groove 36 and into the inside of the second rectangular hole 66, and a C-shaped block 79 is fixedly mounted at one end of the trigger block 80 extending out of the rectangular groove 36. A third leaf spring 86 is fixedly arranged on the outer side surface of one end of the trigger block 80, and the third leaf spring 86 is in contact with the inner bottom surface of the second rectangular hole 66. The third telescopic rod 60 is installed in the second semicircular hole 68 through a fifth fixed block 73 at the end part of the third telescopic rod, a rectangular sliding block 81 is arranged at one end of the third telescopic rod 60 away from the fifth fixed block 73, and the rectangular sliding block 81 is connected inside the C-shaped block 79 in a sliding manner; the outer side of the third telescopic rod 60 is nested with a third spring 85, one end of the third spring 85 is fixedly installed on the fifth fixing block 73, and the other end of the third spring is fixedly installed on the end face of the rectangular sliding block 81. The rectangular sliding block 81 is provided with a fourth rack 72, the second gear 82 is rotatably connected inside the second semicircular hole 68 through a fifth fixing shaft 83, the second gear 82 is meshed with the fourth rack 72, the position relation between the second gear 82 and the fourth rack 72 is that the second gear 82 is located above the fourth rack 72, the second gear 82 is meshed with the upper end of the fourth rack 72, that is, the fourth rack 72 moves downwards and cannot drive the second gear 82 to rotate, and the fourth rack 72 moves upwards and can drive the second gear 82 to rotate.
The first gear 71 is mounted on the drive case 46 via a sixth fixed shaft 84, and the first gear 71 is positioned in the through hole 69, and the first gear 71 is engaged with the second gear 82. The brake rack 50 is slidably mounted in the second rack hole 64, the brake rack 50 is vertically disposed, and the brake rack 50 is engaged with the first gear 71. The brake rack 50 is mechanically engaged with the locking mechanism 88.
As shown in fig. 17, the inner circumferential surface of the first fixing ring 53 is circumferentially provided with a plurality of rectangular teeth 54; the first fixing ring 53 is rotatably connected to the outer side of the fixing column 51 through an inner circular surface thereof, and a ring gear 52 is further provided on an outer circular surface of the first fixing ring 53. As shown in FIG. 16, a plurality of rectangular teeth 54 each engage a first ramp 34 and a second ramp 62; the ring gear 52 is mechanically engaged with the trigger mechanism 15; as shown in fig. 15, the adjustment knob 23 is mounted on the fourth fixed shaft 77 by a key.
As shown in fig. 10, the locking mechanism 88 is disposed below the overlay welding mechanism 5, and includes a latch 20, a lock hole 37, a second spring 39, a second telescopic rod 40, a third fixed block 41, an L-shaped fixed bar 42, a T-shaped bar 43, a T-shaped groove, a lock block 48, and a brake block 49.
As shown in fig. 12, a T-shaped bar 43 is fixedly provided on the right end face of the drive case 46 by an L-shaped fixing bar 42, and is horizontally provided along the front-rear direction. The locking block 48 is slidably mounted on the T-bar 43 by means of a first T-shaped slot 47 provided in the lower end face thereof. As shown in fig. 14, the third fixing block 41 is vertically and fixedly mounted on the upper side of the front end of the T-shaped bar 43, two second telescopic rods 40 are arranged between the locking block 48 and the third fixing block 41, the outer sides of the two telescopic rods 40 are respectively sleeved with a second spring 39, one end of the second spring 39 is fixedly mounted on the end face of the locking block 48, and the other end of the second spring 39 is fixedly mounted on the third fixing block 41.
As shown in fig. 10 and 11, a latch 20 is fixedly provided on a right end surface of the wire feeder 18, a lock hole 37 penetrating in the front-rear direction is provided on the latch 20, and the lock hole 37 and the lock block 48 are provided in front-rear correspondence.
As shown in fig. 13, a brake block 49 is fixedly provided on the left end surface of the lock block 48, and a vertical square hole is provided in the brake block 49, and the square hole vertically corresponds to the brake rack 50.
As shown in fig. 8, the triggering mechanism 15 includes a fourth fixing block 19, a first fixing block 24, a limiting block 25, a connecting plate 26, a cylindrical wheel 27, a first side support lug 28, a first telescopic rod 29, a first spring 30, a middle support lug 31, a second fixing block 32, a second side support lug 33, a first rack 38, and a first rack hole 44.
Two second side journal stirrup 33 are all fixed mounting on drive shell 46 lower end face, and middle journal stirrup 31 is through stud hinged mounting between two second side journal stirrup 33, and stud all is provided with the nut. The second fixing block 32 is fixedly mounted on the lower end surface of the middle lug 31. The upper end of the first telescopic rod 29 is fixedly arranged on the second fixed block 32, and the lower end is provided with a fourth fixed block 19; the first spring 30 is sleeved on the outer side of the first telescopic rod 29, one end of the first spring 30 is fixedly installed on the lower end face of the second fixing block 32, and the other end of the first spring 30 is fixedly installed on the end face of the fourth fixing block 19.
Two first side lugs 28 are fixedly arranged on the lower end face of the fourth fixing block 19, and the cylindrical wheel 27 is arranged between the two first side lugs 28 through hinged connection. A first fixing block 24 is fixedly arranged on the right end face of the driving shell 46, the first fixing block 24 is located below the locking mechanism 88, a first rack hole 44 which penetrates up and down is formed in the first fixing block 24, and a limiting block 25 is installed on the first fixing block 24 through threaded connection. The first rack 38 is slidably connected in the first rack hole 44, the lower end of the first rack 38 is mounted on the fourth fixed block 19 through the connecting plate 26, and the upper end of the first rack 38 is engaged with the gear ring 52.
As shown in fig. 7, the wire feeder 18 is located at the rear side of the trigger mechanism and includes a wire feeder 90, a welding torch rod 21, and a torch head 22.
The wire feeder 90 is slidably connected to the rectangular guide bar 13 of the short beam 4 through a third T-shaped slot 89 thereon; the housing of wire feeder 90 encloses drive housing 46. The welding gun rod 21 is fixedly arranged on the wire feeding device 90 along the vertical direction, the lower end of the welding gun rod 21 is provided with a gun head 22, and the eccentricity between the axis of the gun head 22 and the axis of the cylindrical wheel 27 is 2cm-3cm. A damping device is disposed within the wire feeder 18.
The fixture block 20 is fixedly installed on the right end face of the housing of the wire feeding device 90.
The working principle of the invention is as follows:
when the outer circular surface needs to be welded on the vertical grinding roller, and the roller sleeve 2 is rotated clockwise in the welding process, the driving rotating shaft 12 at the moment can drive the rotary platform 3 to rotate for 90 degrees, the rotary platform 3 can drive the roller sleeve 2 arranged on the rotary platform to rotate for 90 degrees, and the surfacing mechanism 5 at the moment can move to the right side of the position 16 of the welding end face of the roller sleeve 2 under the action of the upper and lower driving device 8 and the front and rear driving device 7.
At this time, a welding operator of the roller sleeve 2 is to install the middle support lug 31 between the two second side support lugs 33 in a hinged mode through the stud, and the stud is provided with a nut structure, the nut is loosened, so that the trigger mechanism 15 in the horizontal position can rotate 90 degrees around the stud, the rotating middle support lug 31 can drive the second fixing block 32, the first spring 30, the first telescopic rod 29, the fourth fixing block 19, the first side support lug 28, the cylindrical wheel 27, the connecting plate 26 and the first rack 38 to move, the first rack 38 is matched with the first rack hole 44 in the first fixing block 24, the second side support lug 33 is matched with the limiting plate 14 in a contact mode, the operator installs the limiting block 25 in place, the cylindrical wheel 27 can be matched with the outer circular surface of the roller sleeve 2 in a contact mode through the up-down driving device 8, the nut on the stud installed on the second side support lug 33 is screwed tightly, and therefore the first telescopic rod 29 cannot rotate around a hinge point on the middle support lug 31; on the other hand, when the operator rotates the adjusting knob 23, the fourth fixing shaft 77 is driven to rotate by the adjusting knob 23, the fourth fixing shaft 77 will sequentially drive the second bevel gear 57, the first bevel gear 55 and the third bevel gear 58 to rotate, the moving first bevel gear 55 will drive the second gear 82 to move, the second rack 56 will drive the second one-way block 63 to move, the first plate spring 75 will be in a pressed state at this time, the rotating third bevel gear 58 will drive the third rack 59 to move, the third rack 59 will drive the first one-way block 35 to move, the second plate spring 78 is in a pressed state, the first one-way block 35 and the second one-way block 63 at this time will not limit the rotation of the first fixing ring 53, so as not to limit the rotation of the gear ring 52 installed thereon, and at this time, the operator will mesh the first rack 38 with the gear ring 52.
The lock block 48 is inserted into the lock hole 37, the second spring 39 is under tension, and the brake rack 50 is inserted into the square hole on the brake block 49; then, the rectangular sliding block 81 is installed into the C-shaped block 79, at this time, the third spring 85 will be in a compressed state, and at the same time, the third leaf spring 86 is in a freely telescopic state, the second gear 82 and the fourth rack 72 are in a positional relationship, such that the fourth rack 72 moves downward and does not drive the second gear 82 to rotate, and the fourth rack 72 moves upward and drives the second gear 82 to rotate.
When the welding position is adjusted, an operator operates a driving device in the driving shell 46 to drive the overlaying structure to slide on the short cross beam 4, at this time, the driving shell 46 will sequentially drive the middle support lug 31, the second fixed block 32, the first spring 30, the first telescopic rod 29, the fourth fixed block 19, the first side support lug 28, the cylindrical wheel 27, the connecting plate 26 and the first rack 38 to move, since the cylindrical wheel 27 is located on the right side of the high point position 16 of the roller sleeve 2, the cylindrical wheel 27 will move in the direction of the first telescopic rod 29 under the restriction of the roller sleeve 2, so that the fourth fixed block 19 mounted thereon moves upwards, so that the connecting plate 26 and the first rack 38 move upwards, at this time, the first rack 38 will drive the gear ring 52 to rotate around the fixed column 51, the counterclockwise rotating gear ring 52 drives the rectangular teeth 54 mounted thereon to move, the rectangular teeth 54 will stride over the first unidirectional block 35 under the action of the first inclined plane 34 on the first unidirectional block 35, and the rectangular teeth 54 will stride over the first unidirectional inclined plane 34 on the second block 63, so that the second unidirectional fixed column 52 moves around the axis 51.
When the cylindrical wheel 27 crosses the high point 16 of the roller sleeve 2, the driving wheel at this time still drives the first gear 71 to make linear motion along the short beam 4, but under the thrust action of the first spring 30, the fourth fixed block 19 mounted thereon makes linear motion downward, so that the connecting plate 26 and the first rack 38 make linear motion downward, the first rack 38 at this time will drive the ring gear 52 to make rotary motion around the fixed column 51, the ring gear 52 rotating clockwise drives the rectangular teeth 54 mounted thereon to move, because the opening direction of the rectangular groove 36 is distributed opposite to the first inclined plane 34, the trigger block 80 mounted on the first one-way block 35 will make linear motion along the rectangular groove 36 under the thrust action of the rectangular teeth 54, the trigger block 80 making linear motion will drive the C-shaped block 79 mounted thereon to move, and the C-shaped block 79 will not play a role in limiting role for the rectangular sliding block 81 at this time, the pressed rectangular sliding block 81 will drive the fourth rack 72 mounted thereon to make a linear motion, the linear motion fourth rack 72 will drive the second gear 82 to make a linear motion, the second gear 82 will drive the first gear 71 to make a linear motion, under the reversing action of the first gear 71, the first gear 71 will drive the braking rack 50 to make an upward linear motion, the moving braking rack 50 will move out of the square hole of the braking block 49, the braking block 49 at this time will lose the restriction of the braking rack 50, under the action of the pulled second spring 39, the second spring 39 will pull the locking block 48 to make a linear motion, the locking block 48 will move out of the locking hole 37 on the clamping block 20, so that the locking block 48 loses the restriction of the wire feeder 18, at this time, the wire feeder 18 will not move in the direction of the short beam 4 under the action of the damping device therein, and the final position of the wire feeder 18 will be the axis of the gun head 22 on the wire feeder 18 and the vertical axis of the roller housing 2 The eccentric distance between the two grinding rollers is 2cm-3cm, so that the optimal position required by the vertical grinding roller welding process is achieved, and the surfacing quality is ensured.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Claims (9)
1. The utility model provides an automatic device of location vertical mill grinding roller welding peak which characterized in that: the device comprises a foundation and a short cross beam, wherein the short cross beam is arranged on the foundation through a front driving device, a rear driving device and an upper driving device and a lower driving device, a position changing machine foundation pit for a rotary platform to rotate around a driving rotating shaft is arranged on the foundation, a roller sleeve with a high point position is fixed on the rotary platform, a surfacing structure is arranged on the short cross beam in a sliding manner, the surfacing mechanism comprises a driving shell and a wire feeding mechanism which are connected onto the short cross beam in a sliding manner, the driving shell is embedded inside the wire feeding mechanism, a one-way driving device is arranged on the side surface of the driving shell, a mutual locking mechanism is arranged between the driving shell and the wire feeding mechanism, a vertical welding gun rod is arranged on the wire feeding mechanism, the lower end surface of the driving shell is rotatably connected with a triggering mechanism, a limiting plate is fixedly arranged on the lower end surface of the driving shell, and the surfacing mechanism is triggered to work after the triggering mechanism and the limiting plate act; the unidirectional driving device comprises a fixed column, one end of the bottom surface of the fixed column is fixedly arranged on the side surface of the driving shell, a first semicircular hole and a second semicircular hole which are communicated with each other are arranged in the fixed column, the first semicircular hole is only communicated with one end of the top surface of the fixed column, the second semicircular hole is not communicated with the end surfaces of the two sides of the fixed column, two rectangular holes are symmetrically arranged on the outer side surface of the fixed column, a unidirectional block is connected in the rectangular holes in a sliding mode, a rack fixedly arranged on the end surface of the bottom of the inner side of the unidirectional block extends into the first semicircular hole, and a plate spring is arranged between the unidirectional block and the rectangular holes; the racks on the two unidirectional blocks are respectively meshed with the cylindrical section tooth parts of the first bevel gear and the third bevel gear inside the first semicircular hole, the opening part on the top surface of the fixed column is rotatably connected with a second bevel gear, and the second bevel gear is respectively meshed with the conical section tooth parts of the first bevel gear and the third bevel gear.
2. The device for automatically positioning the welding highest point of the grinding roller of the vertical grinding mill according to claim 1, is characterized in that: the foundation of positioner foundation ditch front side is fixed on being provided with perpendicular roof beam, and sliding connection has upper and lower drive arrangement on the perpendicular roof beam, and drive arrangement around fixed mounting has on the upper and lower drive arrangement, and drive arrangement sliding connection has long crossbeam around, and the end fixing of long crossbeam is provided with the short crossbeam.
3. The device for automatically positioning the welding highest point of the grinding roller of the vertical grinding mill according to claim 1, wherein: a rectangular groove is formed in the inner portion of the one-way block on one side, a trigger block is connected to the inside of the rectangular groove in a sliding mode, one end, far away from the one-way block, of the trigger block extends into the rectangular hole, a C-shaped block is fixedly arranged at the end portion of the trigger block, a rectangular sliding block is connected to the inside of the C-shaped block in a sliding mode, a fifth fixing block is fixedly arranged inside the second semicircular hole, a third telescopic rod is arranged between the fifth fixing block and the rectangular sliding block, a third spring is sleeved on the outer side of the third telescopic rod, and the two ends of the third spring are fixedly connected with the fifth fixing hole and the rectangular sliding block respectively; a third plate spring is fixedly arranged on the outer side surface of the trigger block and is in contact with the inner bottom surface of the rectangular hole; the rectangular sliding block is fixedly provided with a fourth rack, a second gear is arranged in the second semicircular hole in a rotating mode, the second gear is meshed with the fourth rack, the second gear is located above the fourth rack, the second gear is meshed with the upper end of the fourth rack, the fourth rack does not drive the second gear to rotate when moving downwards, and the fourth rack can drive the second gear to rotate when moving upwards.
4. The device for automatically positioning the welding highest point of the grinding roller of the vertical grinding mill according to claim 3, is characterized in that: the bottom surface of the second semicircular hole is provided with a through hole, the fixing column is also provided with a second rack hole which penetrates through the fixing column, and the through hole is communicated with the second rack hole; the through hole is connected with a first gear in a rotating mode, the first gear is meshed with a second gear, a vertical braking rack is connected inside the second rack hole in a sliding mode, and the braking rack is meshed with the first gear.
5. The device for automatically positioning the welding highest point of the grinding roller of the vertical grinding mill according to claim 1, is characterized in that: inclined planes are arranged at one ends of the outer sides of the two unidirectional blocks, and the inclined planes of the two unidirectional blocks are symmetrical relative to the axis center of the fixed column; the outer side of the fixed column is sleeved with a first fixing ring, the inner circular surface of the first fixing ring is uniformly provided with a plurality of rectangular teeth along the circumferential direction, the outer side surface of the first fixing ring is provided with a gear ring, and the rectangular teeth of the inner circular surface are matched with the inclined surfaces of the two one-way blocks; the gear ring on the outer side surface is mechanically matched with the trigger mechanism.
6. The device for automatically positioning the welding highest point of the grinding roller of the vertical grinding mill according to claim 4, is characterized in that: the locking mechanism is arranged below the fixed column and comprises a T-shaped strip which is horizontally arranged, a locking block is connected onto the T-shaped strip in a sliding mode, a third fixed block is fixedly arranged on the T-shaped strip, a telescopic rod is arranged between the third fixed block and the locking block, and a spring is sleeved on the outer side of the telescopic rod; a clamping block is fixedly arranged on the end surface of the wire feeding mechanism, a locking hole is arranged on the clamping block, and the locking hole and the locking block are arranged in a front-back corresponding mode; the end face of the locking block is fixedly provided with a brake block, the brake block is provided with a vertical square hole, and the square hole and the brake rack are arranged in an up-and-down corresponding mode.
7. The device for automatically positioning the welding highest point of the grinding roller of the vertical grinding mill according to claim 5, is characterized in that: trigger mechanism includes two second side journal stirrup, and two second side journal stirrup fixed mounting are on the lower terminal surface of drive shell, and it has middle journal stirrup to articulate through stud is fixed between two second side journal stirrup, and the lower extreme fixed mounting of middle journal stirrup has the second fixed block, and the second fixed block lower extreme is connected with the fourth fixed block through the telescopic link that cup joints the spring, and the fixed two first side journal stirrups that are provided with on the terminal surface under the fourth fixed block, it has the cylinder wheel to articulate between two first side journal stirrups.
8. The device for automatically positioning the welding highest point of the grinding roller of the vertical grinding mill according to claim 7, wherein: the outer side surface of the driving shell below the fixed column is fixedly provided with a first fixed block, the first fixed block is provided with a first rack hole which is communicated up and down, a first rack is connected in the first rack hole in a sliding manner, the lower end of the first rack is fixedly installed on a fourth fixed block through a connecting plate, and the upper end of the first rack is meshed with a gear ring outside the first fixed ring.
9. The device for automatically positioning the welding highest point of the grinding roller of the vertical grinding mill according to claim 7, wherein: the wire feeding mechanism comprises a wire feeding device, the wire feeding device is connected to the short cross beam in a sliding mode, a driving shell is wrapped by the shell of the wire feeding device, a vertical welding gun rod is fixedly arranged on the wire feeding device, a gun head is arranged at the lower end of the welding gun rod, the eccentricity between the axis of the gun head and the axis of the cylindrical wheel is 2cm-3cm, and a damping device is arranged inside the wire feeding mechanism.
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CN116765741B (en) * | 2023-08-25 | 2023-10-20 | 山东福尔特种设备有限公司 | Tube plate surface welding machine with quick fixing function |
CN117086552B (en) * | 2023-10-20 | 2023-12-15 | 山东欣润同创环保科技有限公司 | Adjustable vertical mill grinding roller overlaying tool |
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