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CN-121988845-A - Welding device and welding method for machining heat-resistant sink roll

CN121988845ACN 121988845 ACN121988845 ACN 121988845ACN-121988845-A

Abstract

The invention relates to the technical field of submerged roller welding, and discloses a welding device for machining a heat-resistant submerged roller and a welding method thereof, wherein the welding device comprises a machining table, an arc welding connector arranged at the back of the machining table, a sliding table, a fixing seat and a limiting assembly, wherein the sliding table is connected to the back of the machining table in a sliding manner; through the use of spacing subassembly, driving motor drives extension rod and rotation gear through the actuating lever, and rotation gear drives rotation gear through rotating the ring gear and rotates, and the worm drives the screw rod through the worm wheel and rotates, and the screw rod passes through the U type piece and drives annular splint and move, and annular splint fixes roll body or spindle nose, and annular splint is fixed back with roll body or spindle nose, and the worm no longer rotates, and the worm drives the rotation ring through the centre gripping case and rotates to fixed pivoted effect has been reached.

Inventors

  • BEN QIXUAN

Assignees

  • 江苏亚太特种铸钢厂有限公司

Dates

Publication Date
20260508
Application Date
20260410

Claims (10)

  1. 1. The welding device for heat-resistant sink roll machining comprises a machining table (1) and an arc welding head (111) arranged at the back of the machining table (1), and is characterized in that: The arc welding connector (111) is arranged on the surface of the sliding table (11), a fixing seat (13) is fixedly connected to one side of the top of the processing table (1), and a sliding seat (14) is slidably connected to the top of the processing table (1); The limiting assembly (2) is arranged on the surfaces of the fixed seat (13) and the sliding seat (14) and used for clamping and rotating the roller body and the shaft head, the limiting assembly (2) comprises clamping boxes (221) which are respectively arranged inside the fixed seat (13) and the sliding seat (14), U-shaped blocks (241) are connected inside the clamping boxes (221) in a sliding mode, and one ends of the U-shaped blocks (241) are fixedly connected with annular clamping plates (242); the lifting assembly (3) is arranged in the processing table (1) and is used for lifting the roller body so as to avoid the condition that the roller body is inclined on the surface of the annular clamping plate (242); And the anti-shaking component (4) is arranged on the surface of the lifting component (3) and is used for preventing the roll body from shaking and tilting on the surface of the lifting component (3) when the lifting component (3) lifts the roll body.
  2. 2. The welding device for heat-resistant sink roll machining according to claim 1, wherein the limiting assembly (2) further comprises a driving motor (21) fixedly connected to the top of the fixing seat (13), the output end of the driving motor (21) is fixedly connected with a driving rod (211), the inside of the driving rod (211) is slidably connected with an extension rod (212) through a key slot, and two rotary gears (213) are fixedly connected to the surfaces of the driving rod (211) and the extension rod (212).
  3. 3. The welding device for heat-resistant sink roll machining according to claim 2, wherein the limiting assembly (2) further comprises rotating rings (22) which are respectively connected with the fixed seat (13) and the sliding seat (14) in a rotating mode, one end of the clamping box (221) is fixedly connected with the inside of the rotating rings (22), one end, far away from the rotating rings (22), of the clamping box (221) is fixedly connected with a notch ring (222), the surface of the clamping box (221) is rotatably connected with a rotating toothed ring (223), and the rotating gear (213) is in meshed transmission with the outer surface of the rotating toothed ring (223).
  4. 4. The welding device for heat-resistant sink roll machining according to claim 3, wherein the inside of the clamping box (221) is rotatably connected with a worm (23) and a screw (24), a rotating gear (231) is fixedly connected to the surface of the worm (23) and positioned outside the clamping box (221), the rotating gear (231) is in meshed transmission with the inner surface of the rotating toothed ring (223), a worm wheel (243) is fixedly connected to the surface of the screw (24), the worm wheel (243) is in meshed transmission with the worm (23), and the U-shaped block (241) is in threaded connection with the surface of the screw (24).
  5. 5. The welding device for heat-resistant sink roll machining according to claim 1, wherein the lifting assembly (3) comprises an air inlet disc (31) fixedly connected to the inside of the machining table (1) and a first rotating rod (32) rotatably connected to the inside of the machining table (1), an air inlet pipe (311) is fixedly communicated with the surface of the air inlet disc (31), a rotating rod (312) is rotatably connected to the inside of the air inlet disc (31), a plurality of fixing plates (313) are fixedly connected to the surface of the rotating rod (312), a fixing disc (314) is fixedly connected to one end of the rotating rod (312), a driving head (315) is fixedly connected to one end of the fixing disc (314), a reciprocating plate (321) is fixedly connected to the surface of the first rotating rod (32), a reciprocating groove (322) is formed in the surface of the reciprocating plate (321), and a connecting rod (323) is rotatably connected to one end of the reciprocating plate (321).
  6. 6. The welding device for heat-resistant sink roll machining according to claim 5, wherein the lifting assembly (3) further comprises a limiting frame (33) fixedly connected to the inside of the machining table (1) and a plurality of lifting pieces (34) fixedly connected to the inside of the machining table (1), a connecting plate (331) is slidably connected to the inside of the limiting frame (33), one end of the connecting plate (331) is rotatably connected with one end of the connecting rod (323), one end, far away from the connecting rod (323), of the connecting plate (331) is hinged with a pressing rod on the surface of the lifting piece (34), supporting blocks (341) are fixedly connected to the tops of the lifting pieces (34), and supporting rings (342) are fixedly connected to the tops of the supporting blocks (341).
  7. 7. The welding device for heat-resistant sink roll machining according to claim 6, wherein the anti-shaking assembly (4) comprises four mounting blocks (41) fixedly connected to the surface of the supporting ring (342), the four mounting blocks (41) are obliquely arranged, sealing sliding plates (412) are slidably connected to the inside of the four mounting blocks (41), first springs (411) are fixedly connected between one ends of the sealing sliding plates (412) and the inner walls of the mounting blocks (41), extrusion strips (413) are fixedly connected to one ends, far away from the first springs (411), of the sealing sliding plates (412), and extrusion arc plates (414) are fixedly connected to one ends of the extrusion strips (413).
  8. 8. The welding device for heat-resistant sink roll machining according to claim 7, wherein connecting pipes (42) are fixedly communicated with the end parts of the four mounting blocks (41), the connecting pipes (42) are communicated with the air inlet pipe (311) through a flow pipe (421), and a pressure release valve (422) is arranged on the surface of the flow pipe (421).
  9. 9. The welding device for heat-resistant sink roll machining according to claim 1, wherein the two ends of the top of the machining table (1) are fixedly connected with support plates (12), one end of each support plate (12) is fixedly connected with a guide rod (121), and the sliding seat (14) is slidably connected to the surface of each guide rod (121).
  10. 10. A welding method for heat-resistant sink roll processing, characterized by using the welding device for heat-resistant sink roll processing according to any one of claims 1 to 9, comprising the steps of: Step 1, placing roller bodies to be welded on the surfaces of opposite annular clamping plates (242) at two ends, then placing shaft heads in limit assemblies (2) at two ends, and then communicating an external air source with a lifting assembly (3); Step 2, the air source drives the lifting assembly (3) to start to operate, so that the lifting assembly (3) lifts the roller body, and then the sliding seat (14) is pushed to move, so that the limiting assemblies (2) at the two ends of the roller body are in a symmetrical state; step 3, driving the anti-shake assembly (4) after the lifting assembly (3) operates, so that the anti-shake assembly (4) limits the surface of the roller body, and further, the roller body is prevented from shaking or tilting on the surface of the lifting assembly (3); step 4, starting the limiting assembly (2) after the sliding seat (14) is moved, so that the limiting assembly (2) respectively clamps and rotates the roller body and the shaft head, and further the roller body and the shaft head can synchronously rotate; And 5, before the limiting assembly (2) synchronously rotates the roller body and the shaft head, the sliding table (11) is moved to a designated position, and the roller body and the shaft head are welded through the arc welding head (111).

Description

Welding device and welding method for machining heat-resistant sink roll Technical Field The invention relates to the technical field of submerged roller welding, in particular to a welding device for machining a heat-resistant submerged roller and a welding method thereof. Background The sinking roller is a core guide part in a zinc pot of a continuous hot galvanizing or aluminizing zinc production line, is completely immersed in 460-600 ℃ molten zinc, is mainly responsible for stably guiding a steel strip into the zinc and changing trend, ensures that the steel strip is fully contacted with the zinc to form a uniform coating, and simultaneously discharges the zinc and zinc slag on the roller surface, and mainly comprises a roller body, a shaft head and a supporting suspension mechanism. Publication number CN112427860B discloses a clamp for welding the roller shaft head of a rubber roller, which is used for butt welding the end part of a roller core and the roller shaft along the axial direction, and comprises a workbench, wherein movable assembly components which are movably arranged on the workbench and are used for splicing and assembling the roller core of the rubber roller and fixing the roller core of the rubber roller and a driving device for controlling the movable assembly components to move along the axial direction are arranged on the workbench, the movable assembly components are arranged in two groups, the two movable assembly components are oppositely arranged and coaxially arranged, a positioning device for positioning the movable assembly components after movement adjustment is also arranged on the workbench, the workbench comprises an upper turntable and a lower fixed support, the upper turntable is rotatably connected with the lower fixed support, and the movable assembly components are assembled on the upper turntable and drive the movable assembly components to rotate through the upper turntable. Although the above application and the prior art can facilitate circumferential welding of the rubber roll core assembled on the movable assembly, when the above application and the prior art weld the roll body and the shaft head of the sink roll, the roll body and the shaft head are inconvenient to fix and rotate synchronously, so that the welding quality is reduced, and when the roll body and the shaft head are fixed and rotated synchronously, the overall quality of the roll body is heavier, so that the two ends of the clamp are stressed unevenly in the rotating process, and idle rotation is easy to occur, the welding quality is affected by idle rotation, and when the roll body is lifted to adjust the stress conditions of the two ends, the roll body is easy to shake or tilt in the whole lifting process, so that the roll body collides with other elements, and damage is caused. Disclosure of Invention (One) solving the technical problems Aiming at the defects of the prior art, the invention provides a welding device for processing a heat-resistant sink roller and a welding method thereof, which have the advantages of fixed rotation, inclination prevention, jumping prevention and the like, and solve the problems that the prior art is inconvenient to synchronously fix and rotate a roller body and a shaft head when the roller body and the shaft head of the sink roller are welded, so that the welding quality is reduced, and the overall quality of the roller body is heavier when the roller body and the shaft head are synchronously fixed and rotated, the stress at two ends of a clamp is uneven in the rotating process, idle rotation is easy to occur, the welding quality is affected by idle rotation, and the roller body is easy to shake or tilt in the whole lifting process when the roller body is lifted to adjust the stress at two ends, so that the roller body collides with other elements, and damage is caused. (II) technical scheme In order to realize the aims of fixed rotation, inclination prevention, jumping prevention and the like, the invention provides a technical scheme that the welding device for the heat-resistant sink roll processing comprises a processing table and an arc welding joint arranged at the back of the processing table, The arc welding head is arranged on the surface of the sliding table, a fixed seat is fixedly connected to one side of the top of the processing table, and the sliding seat is connected to the top of the processing table in a sliding manner; the limiting assembly is arranged on the surfaces of the fixed seat and the sliding seat and used for clamping and rotating the roller body and the shaft head, the limiting assembly comprises clamping boxes respectively arranged inside the fixed seat and the sliding seat, a U-shaped block is connected inside the clamping boxes in a sliding manner, and one end of the U-shaped block is fixedly connected with an annular clamping plate; the lifting assembly is arranged in the processing table and used for lifting the roller body, s