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CN-118166351-B - Rapid repair device and repair method for surface damage of workpiece

CN118166351BCN 118166351 BCN118166351 BCN 118166351BCN-118166351-B

Abstract

The invention discloses a rapid repair device and a repair method for surface damage of a workpiece, and relates to the technical field of repair devices for surface damage of workpieces, wherein the rapid repair device comprises a repair seat plate, a procedure switching mechanism and a damage repair mechanism; the quick repair device for the surface damage of the workpiece and the repair method thereof can preheat the cladding wire, are beneficial to the quick melting of the cladding wire of the main body of the laser cladding device, thereby improving the repair efficiency, polishing sharp edges and corners of the damaged part on the surface of the workpiece, facilitating the melted cladding wire to fill the damaged part, avoiding the influence of air holes on the quality of the workpiece after repair and having high repair quality.

Inventors

  • LIU YINGLIANG
  • WU PENG
  • LIU XINGQIANG
  • ZHANG FURU

Assignees

  • 朔州金华实业有限公司

Dates

Publication Date
20260505
Application Date
20240229

Claims (9)

  1. 1. A rapid repair device for surface damage of a workpiece, comprising: The upper side of the repairing seat board (1) is provided with a repairing longitudinal moving mechanism (2), the top of the repairing longitudinal moving mechanism (2) is provided with a repairing transverse moving mechanism (3), and a moving part of the repairing transverse moving mechanism (3) is provided with a repairing height adjusting mechanism (4); The working procedure switching mechanism (5) comprises a switching power component and a switching position locking component, a swivel seat (51) is fixedly connected to the bottom end of a lifting plate (42) in the repairing height adjusting mechanism (4), a transverse switching rotating shaft (52) is rotatably connected to the swivel seat (51) through a bearing, a switching rotating disc (56) is fixedly connected to the right end of the switching rotating shaft (52), the switching power component is arranged at the left end of the switching rotating shaft (52), and the middle part of the switching rotating shaft (52) is connected with the switching position locking component; The damage repairing mechanism (6) comprises a wire feeding assembly, a cladding wire preheating assembly, a cladding angle adjusting assembly and a laser cladding device main body (619), wherein a repairing installation seat (61) is fixedly connected to the bottom of the right side of the switching turntable (56), the repairing installation seat (61) is fixedly connected with the top of a wire feeding limit pipe (62), the wire feeding assembly is arranged at the top of the repairing installation seat (61), the cladding wire preheating assembly is arranged on the outer peripheral side of the bottom of the wire feeding limit pipe (62), the front side and the rear side of the repairing installation seat (61) are respectively connected with the two laser cladding device main bodies (619) through the two cladding angle adjusting assemblies, and the bottom ends of the two laser cladding device main bodies (619) face to the lower part of the bottom of the wire feeding limit pipe (62); the device further comprises a workpiece clamping mechanism (9), wherein the workpiece clamping mechanism (9) is installed in the middle of the upper side of the repairing seat plate (1), and the workpiece clamping mechanism (9) is located below the middle of the repairing traversing mechanism (3).
  2. 2. The device for rapidly repairing surface damage of workpiece according to claim 1, wherein the switching power assembly comprises a switching motor (55), the left end of the switching rotating shaft (52) is fixedly connected with an output shaft of the switching motor (55), and the switching motor (55) is fixedly arranged on the left side of the lifting plate (42) through a fixing bracket (53).
  3. 3. The device for rapidly repairing surface damage of a workpiece according to claim 2, wherein the switching position locking assembly comprises a locking motor (512), a locking gear (58) is fixedly sleeved at the middle part of the switching rotating shaft (52), a sliding rod (57) is vertically connected in a sliding hole on the fixed support (53) in a sliding manner, a locking convex tooth (59) corresponding to the locking gear (58) up and down is fixedly connected to the bottom of the sliding rod (57), a control top plate (510) is fixedly connected to the top of the sliding rod (57), a vertical locking stud (511) is rotatably connected to the fixed support (53), the locking stud (511) is in threaded connection with a screw hole on the control top plate (510), the bottom of the locking stud (511) is fixedly connected with an output shaft of the locking motor (512), and the locking motor (512) is fixed at the bottom of the fixed support (53).
  4. 4. The device for rapidly repairing surface damage of a workpiece according to claim 3, wherein the wire feeding assembly comprises a wire feeding motor (66), a wire discharging shaft (63) is fixedly connected to the top of the right side of the switching turntable (56), a wire winding roller (64) is rotatably connected to the wire discharging shaft (63), a cladding wire (65) is wound on the wire winding roller (64), one end of the cladding wire (65) penetrates through the wire feeding limiting tube (62), a cylinder frame (67) is fixedly connected to the repairing mounting seat (61) at the front side and the rear side of the wire feeding limiting tube (62), two longitudinal roller shafts (68) are respectively and rotatably connected to the two cylinder frames (67), two wire feeding rollers (69) are respectively and fixedly sleeved on the two roller shafts (68), the middle parts of the two wire feeding rollers (69) are respectively provided with a wire winding roller (64), the front side and the rear side of the cladding wire (65) are respectively matched with the two annular grooves, the output shafts of the wire feeding motor (66) are fixedly connected, and the wire feeding motor (66) is fixedly connected to the end parts of the cylinder frames (67).
  5. 5. The rapid repair device for surface damage of workpiece according to claim 4, wherein the cladding angle adjusting assembly comprises an arc limiting rod (611), two movable seats (610) are fixedly connected to the bottoms of the front side and the rear side of the repair mounting seat (61), one ends of the two movable mounting rods (613) are movably connected to the two movable seats (610) through movable columns respectively, the other ends of the two movable mounting rods (613) are fixedly connected to the tops of the two laser cladding device main bodies (619) respectively, two arc limiting rods (611) are fixedly connected to the front side and the rear side of the repair mounting seat (61) respectively, a plurality of insertion holes are formed in the arc limiting rod (611) at equal angles, limiting pins (612) are inserted into the insertion holes in the movable mounting rods (613), and the limiting pins (612) are inserted into the corresponding insertion holes in the arc limiting rods (611).
  6. 6. The rapid repair device for surface damage of workpiece according to claim 5, wherein the cladding wire preheating component comprises a temperature control switch (615) and a preheating heating wire (616), a heat conducting sleeve (614) is fixedly sleeved on the outer peripheral side of the bottom of the wire feeding limit pipe (62), the temperature control switch (615) is installed on the heat conducting sleeve (614), the spiral preheating heating wire (616) is wound on the outer side of the heat conducting sleeve (614), a protecting sleeve (617) is sleeved on the outer side of the heat conducting sleeve (614), the preheating heating wire (616) is wrapped by the protecting sleeve (617), and a heat insulating sleeve (618) is sleeved on the outer side of the protecting sleeve (617).
  7. 7. The rapid repair device for surface damage of workpiece according to claim 6, further comprising a wound pretreatment mechanism (7) and a grinding repair mechanism (8), wherein the wound pretreatment mechanism (7) is installed at the front right end of the switching turntable (56), and the grinding repair mechanism (8) is installed at the rear right end of the switching turntable (56).
  8. 8. The rapid repair device for surface damage of workpiece according to claim 7, further comprising a scrap cleaning mechanism (10), wherein the scrap cleaning mechanism (10) comprises a rectangular cleaning blowing cover (101) and a blowing and air supplying assembly, a rectangular through groove is formed in the front side of the upper surface of the repair seat plate (1), the rectangular cleaning blowing cover (101) is vertically and slidingly connected in the rectangular through groove, a rear blowing opening is formed in the rear side of the top of the rectangular cleaning blowing cover (101), and the bottom of the rectangular cleaning blowing cover (101) is connected with the blowing and air supplying assembly.
  9. 9. A repair method of a rapid repair device for surface damage of a workpiece based on the method of claim 8, comprising the following steps: Placing the damaged surface of the workpiece to be repaired upwards to the middle part of the upper side of the repair seat plate (1), and clamping and fixing the workpiece to be repaired by adopting a workpiece clamping mechanism (9); Step two, a switching motor (55) in a switching power assembly works to drive a switching rotating shaft (52) and a switching rotating disc (56) to rotate, so that a wound pretreatment mechanism (7) faces downwards, a repairing traversing mechanism (3) drives the wound pretreatment mechanism (7) to transversely move to align with the front end of a wound of a workpiece to be repaired, a repairing height adjusting mechanism (4) drives the wound pretreatment mechanism (7) to move downwards, a repairing longitudinal moving mechanism (2) drives the wound pretreatment mechanism (7) to move backwards, and the wound pretreatment mechanism (7) polishes and pretreats the wound; Step three, the repairing height adjusting mechanism (4), the repairing transverse moving mechanism (3) and the repairing longitudinal moving mechanism (2) drive the wound pretreatment mechanism (7) to reset, and a switching motor (55) in the switching power assembly works to drive a switching rotating shaft (52) and a switching rotating disc (56) to continuously rotate so as to enable the damage repairing mechanism (6) to face downwards; Step four, the wire feeding assembly conveys the cladding wire (65) downwards along the wire feeding limiting pipe (62), the laser cladding device main body (619) melts the bottom end of the cladding wire (65), the melted cladding wire (65) falls into a wound of a workpiece to be repaired, and the repair height adjusting mechanism (4), the repair traversing mechanism (3) and the repair longitudinal moving mechanism (2) drive the damage repair mechanism (6) to move along a polishing pretreatment path so as to finish cladding repair; Step five, the repair height adjusting mechanism (4), the repair traversing mechanism (3) and the repair longitudinal moving mechanism (2) drive the damage repairing mechanism (6) to reset, a switching motor (55) in the switching power assembly works to drive a switching rotating shaft (52) and a switching rotating disc (56) to rotate again, the grinding repairing mechanism (8) faces downwards, and the repair height adjusting mechanism (4), the repair traversing mechanism (3) and the repair longitudinal moving mechanism (2) drive the grinding repairing mechanism (8) to move along a fusion-coating repairing path to finish grinding work of a wound after repair is completed.

Description

Rapid repair device and repair method for surface damage of workpiece Technical Field The invention relates to the technical field of workpiece surface damage repairing devices, in particular to a rapid workpiece surface damage repairing device and a repairing method thereof. Background At present, laser cladding is a laser surface modification technology, wherein cladding materials (powder feeding, wire feeding, presetting and the like) are added on the surface of a workpiece (or a matrix material), and the cladding materials and the matrix surface thin layer metal are quickly melted by high-energy-density laser heating, and then are quickly solidified and crystallized into cladding layers by heat conduction of the workpiece; The prior art discloses a laser cladding device for converting the incident light beam to cladding materials on a substrate, which comprises a support frame, a conical reflecting and diffusing mirror and a reflecting and focusing assembly, wherein the conical reflecting and diffusing mirror is arranged on the support frame, the conical reflecting and diffusing mirror expands the incident light beam and reflects the incident light beam along the circumferential direction of the conical reflecting and diffusing mirror to form a reflecting light beam, the reflecting and focusing assembly comprises a reflecting focusing surface and a reflecting surface, the reflecting focusing surface receives part of the reflecting light beam and reflects the reflecting light beam to form a focusing light beam to the substrate to form a focusing light spot so as to melt the cladding materials in the focusing light spot and form a molten pool on the substrate; Although the problem of quick cladding of cladding materials is solved, the patent still has the following defects that when cladding wires are adopted as the cladding materials, the cladding wires cannot be quickly melted after the effect of a laser cladding device, the repairing efficiency is affected, the damaged part on the surface of a workpiece has sharp edges, the cladding materials are not easy to fill the damaged part, air holes are easy to appear at the damaged part after repairing, and the technical defect of low repairing quality exists. Disclosure of Invention The invention aims to overcome the existing defects, and provides the rapid repair device and the repair method for the surface damage of the workpiece, which can preheat the cladding wire, facilitate the main body of the laser cladding device to melt the cladding wire rapidly, thereby improving the repair efficiency, polishing sharp edges and corners of the damaged part on the surface of the workpiece, filling the damaged part with the melted cladding wire conveniently, avoiding the phenomenon that air holes appear at the damaged part after repair to influence the quality of the workpiece, realizing high repair quality, and effectively solving the problems in the background art. In order to achieve the purpose, the invention provides the following technical scheme that the device for quickly repairing the surface damage of the workpiece comprises the following components: the upper side of the repairing seat board is provided with a repairing longitudinal moving mechanism, the top of the repairing longitudinal moving mechanism is provided with a repairing transverse moving mechanism, and the moving part of the repairing transverse moving mechanism is provided with a repairing height adjusting mechanism; The working procedure switching mechanism comprises a swivel base, a switching rotating shaft, a switching rotating disc, a switching power assembly and a switching position locking assembly, wherein the bottom end of a lifting plate in the repairing height adjusting mechanism is fixedly connected with the swivel base, the swivel base is rotationally connected with the transverse switching rotating shaft through a bearing, the right end of the switching rotating shaft is fixedly connected with the switching rotating disc, the switching power assembly is arranged at the left end of the switching rotating shaft, and the middle part of the switching rotating shaft is connected with the switching position locking assembly; damage repairing mechanism, including repairing the mount pad, send a spacing pipe, send a subassembly, melt and cover a silk preheating assembly, melt and cover angle adjustment subassembly and laser cladding device main part, the right side bottom fixedly connected with of switch carousel is repaired the mount pad, repair the top fixed connection of mount pad and send a spacing pipe, send a subassembly at the top of repair the mount pad, send the bottom periphery side of spacing pipe to install and melt and cover a preheating assembly, the front and back side of repair the mount pad is connected two laser cladding device main parts through two melt and cover angle adjustment subassemblies respectively, the bottom of two laser cladding device main parts is towards