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CN-121972874-A - Welding tool for oil tank shell of farming machine

CN121972874ACN 121972874 ACN121972874 ACN 121972874ACN-121972874-A

Abstract

The application discloses a welding tool for an oil tank shell of an agricultural machinery, which comprises a welding machine, a base, a welding platform and a replacement mechanism, wherein the base is arranged on the bottom wall of the welding machine, the welding platform is arranged on the base, and the replacement mechanism comprises an upper mounting seat, an upper positioning seat, a first spring, an anti-skid block, a second spring, a lower mounting seat, a lower positioning seat, a third spring and a fixing assembly. Therefore, the quick replacement of the welding heads with different specifications is realized through the replacement mechanism, when the welding heads are required to be replaced, the fixing balls are only required to be pressed, the fixing balls are separated from the fixing grooves, the mounting seat and the welding heads can be taken down, after the new welding heads are replaced, the fixing balls can be clamped into the fixing grooves again under the action of the springs, and replacement is completed.

Inventors

  • FU GUANGWEN
  • Shang Lele
  • WU FENG

Assignees

  • 重庆启超机械有限公司

Dates

Publication Date
20260505
Application Date
20260318

Claims (9)

  1. 1. A welding tool for a farming machine oil tank shell is characterized by comprising a welding machine (1), a base (2), a welding platform (3) and a replacement mechanism (4), wherein, The base (2) is arranged on the bottom wall of the welding machine (1); the welding platform (3) is arranged on the base (2); the replacement mechanism (4) comprises an upper mounting seat (41), an upper positioning seat (42), a first spring (43), an anti-skid block (44), a second spring (45), a lower mounting seat (46), a lower positioning seat (47), a third spring (48) and a fixing component (49), The upper mounting seat (41) is arranged at one end of a welding head of the welding machine (1); the upper positioning seat (42) is arranged in the upper mounting seat (41); the first spring (43) is sleeved outside the upper positioning seat (42), and two ends of the first spring (43) are respectively connected with the inner wall of the upper mounting seat (41) and the outer wall of the upper positioning seat (42); the anti-skid block (44) is sleeved on the outer wall of the upper mounting seat (41); the second spring (45) is sleeved on the outer wall of the upper mounting seat (41); the lower mounting seat (46) is mounted inside the upper mounting seat (41); The lower positioning seat (47) is arranged in the lower mounting seat (46); The third spring (48) is sleeved on the outer wall of the lower positioning seat (47), and two ends of the third spring (48) are respectively connected with the inner wall of the lower mounting seat (46) and the outer wall of the lower positioning seat (47); the fixing assembly (49) is arranged inside the upper mounting seat (41).
  2. 2. The welding fixture for a tank housing of an agricultural machine of claim 1, wherein the securing assembly (49) includes a securing ball (492) wherein, A fixing hole (491) is formed in the inner wall of the upper mounting seat (41); the fixing ball (492) is placed inside the fixing hole (491); the outer wall of the lower mounting seat (46) is provided with fixing grooves (493), and the positions of the fixing grooves (493) are in one-to-one correspondence with the positions of the fixing balls (492).
  3. 3. The welding fixture for the oil tank shell of the farming machine according to claim 2, wherein two groups of stabilizing mechanisms (5) are arranged on the welding platform (3), each group of stabilizing mechanisms (5) comprises an electric sliding table (51), an air cylinder (52), an adjusting component (6) and a clamping component (7), wherein, The electric sliding table (51) is arranged on the welding platform (3); The air cylinder (52) is arranged in the moving block of the electric sliding table (51); the adjusting component (6) is arranged at one end of the output end of the air cylinder (52); the clamping assembly (7) is arranged outside the adjusting assembly (6).
  4. 4. The welding fixture for a tank casing of an agricultural machine according to claim 3, wherein the adjusting assembly (6) comprises a fixed housing (61), a gear (62), a handle (63), a rotating lever (64), a pushing lever (65) and a protecting assembly (66), wherein, The fixed shell (61) is connected with the output end of the air cylinder (52); the gear (62) is rotatably connected to the inner wall of the fixed shell (61); The handle (63) is arranged on the outer wall of the fixed shell (61); The rotating rod (64) is meshed with the gear (62), and the other end of the handle (63) is connected with the rotating rod (64); the pushing rod (65) is connected with the other end of the gear (62) in a meshed manner; the protection component (66) is arranged on the outer wall of the fixed shell (61).
  5. 5. The welding fixture for a tank housing of an agricultural machine of claim 4, wherein the guard assembly (66) includes a guard housing (661) and a bolt (662), wherein, The protective shell (661) is detachably arranged on the outer wall of the fixed shell (61); The bolt (662) penetrates through the outer wall of the protective shell (661) and is connected with the fixed shell (61) in a threaded mode.
  6. 6. The welding fixture for a tank housing of an agricultural machine according to claim 4, wherein the clamping assembly (7) comprises a clamping block (71), a buffer assembly (72), a flexible fixing column (73) and a floating assembly (8), wherein, The clamping block (71) is connected with the other end of the pushing rod (65); the buffer component (72) is arranged inside the clamping block (71); the flexible fixing column (73) is arranged on the outer wall of the clamping block (71); the floating assemblies (8) are provided with a plurality of groups, and the floating assemblies (8) are arranged inside the clamping blocks (71).
  7. 7. The welding fixture for a tank housing of a farming machine of claim 6, wherein said buffer assembly (72) comprises a stop post (721), a fourth spring (722), a stop block (723), and a fifth spring (724), wherein, The limit column (721) is fixed on the inner wall of the clamping block (71); One end of the fourth spring (722) is fixed on the inner wall of the limit column (721); The limiting block (723) is connected to the inner wall of the limiting post (721) in a sliding manner, and the limiting block (723) is connected with the other end of the fourth spring (722); The fifth spring (724) is sleeved outside the limit column (721), and two ends of the fifth spring (724) are respectively connected with the inner wall of the clamping block (71) and one end of the flexible fixing column (73).
  8. 8. A welding fixture for a tank casing of an agro-farming machine according to claim 6, characterized in that each set of floating assemblies (8) comprises a sixth spring (81), a slider (82) and a connecting rod (83), wherein, One end of the sixth spring (81) is fixed on the inner wall of the clamping block (71); the number of the floating blocks (82) is plural, and each floating block (82) is connected with the other end of the sixth spring (81); the connecting rod (83) penetrates through the plurality of the floating blocks (82) and is connected with the floating blocks (82) at the outermost sides of the two ends.
  9. 9. Welding fixture for the oil tank casing of an agro-farming machine according to claim 1, characterized in that the outer wall of the welding machine (1) and the outside of the base (2) are provided with a checking assembly (9), the checking assembly (9) comprising an infrared sight (91) and a control panel (92), wherein, The infrared sighting device (91) is arranged at one end of a welding head of the welding machine (1); the control panel (92) is arranged outside the base (2), and the infrared sighting device (91) is electrically connected with the control panel (92).

Description

Welding tool for oil tank shell of farming machine Technical Field The application relates to the technical field of agricultural machinery, in particular to a welding tool for an oil tank shell of an agricultural machinery. Background The agricultural machinery is mechanical equipment which is driven by a power device or pulled by manpower or animal power and is directly applied to links such as field operation, crop planting, field management, primary agricultural product harvesting and the like in the whole agricultural production process, wherein an engine oil tank is used as a core matching part of a power system of the agricultural machinery and used for storing and supplying engine lubricating oil. The oil tank shell is formed by stamping thin steel plates, has the characteristics of irregular structure, obvious curved surface characteristics and various flange edge sizes, and is large in size difference due to the fact that the agricultural machinery is rich in model, and the welding tool is needed to meet the welding requirements of the oil tank shells of different specifications. When the existing welding tool faces oil tank shells of various specifications, the angle of a welding head of the conventional tool is fixed, the replacement and angle adjustment operation of the welding head are complex, the specificity is extremely strong, the universality is extremely poor, the welding alignment requirements of the oil tank shells of different appearance outlines and different specifications cannot be quickly adapted, and the welding operation efficiency is greatly reduced. Meanwhile, because the oil tank shell of the farming machine meets the requirements of light weight and installation adaptation, the shell of the oil tank shell is usually formed by stamping thin-wall plates, and the integral rigidity is poor and the structural strength is insufficient. In the welding operation process, when the conventional rigid clamping device is used for positioning and clamping, the clamping force acts on part of the shell in a concentrated manner, and the effective buffering and self-adaptive adjusting capacity is lacked, so that the thin-wall shell is extremely easy to damage, on one hand, obvious indentation can be generated on the surface of the shell to influence the appearance quality of a product, and on the other hand, the excessive local clamping force can cause the problems of local recession, integral clamping deformation and the like of the shell, further the dimensional accuracy of the oil tank shell is damaged, and the follow-up welding alignment accuracy is influenced. Disclosure of Invention The present application aims to solve at least one of the technical problems in the related art to some extent. The application aims to provide a welding tool for the oil tank shell of an agricultural machinery, which can realize quick replacement of welding heads with different specifications through a replacement mechanism, and when the welding heads are required to be replaced, a fixing ball is only required to be pressed to be separated from a fixing groove, so that a mounting seat and the welding heads can be removed, and after the new welding heads are replaced, the fixing ball can be clamped into the fixing groove again under the action of a spring to complete replacement. Meanwhile, by arranging the relevant monitoring and adjusting components, the welding accuracy and the overall stability of the tool are further improved, the welding problem caused by various complex factors is reduced, and the welding quality is improved. In order to achieve the above purpose, an embodiment of the first aspect of the application provides a welding tool for a housing of a farming machine oil tank, which comprises a welding machine, a base, a welding platform and a replacement mechanism, wherein the base is arranged on the bottom wall of the welding machine, the welding platform is arranged on the base, the replacement mechanism comprises an upper mounting seat, an upper positioning seat, a first spring, a non-slip block, a second spring, a lower mounting seat, a lower positioning seat, a third spring and a fixing component, the upper mounting seat is arranged at one end of a welding head of the welding machine, the upper positioning seat is arranged in the upper mounting seat, the first spring is sleeved outside the upper positioning seat, two ends of the first spring are respectively connected with the inner wall of the upper mounting seat and the outer wall of the upper positioning seat, the non-slip block is sleeved on the outer wall of the upper mounting seat, the second spring is sleeved on the outer wall of the upper mounting seat, the lower mounting seat is arranged in the upper mounting seat, the lower positioning seat is arranged in the lower mounting seat, the upper positioning seat is arranged in the lower mounting seat, the first spring is sleeved on the inner wall of the lower mounting seat, and the t