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CN-122007788-A - Fire control shower fixed-position welding frock

CN122007788ACN 122007788 ACN122007788 ACN 122007788ACN-122007788-A

Abstract

The invention relates to the technical field of welding devices and discloses a fire-fighting spray pipe positioning welding tool which comprises a base, wherein fixed seats are symmetrically and fixedly connected to the left side and the right side of the upper end of the base, a limit groove is formed in the upper end face of the fixed seat, a lifting plate is connected in the limit groove in a sliding mode, a pressing plate is fixedly connected to the upper end of the lifting plate, a fixing mechanism is arranged at one end, opposite to the pressing plate, of the fixed seat, the fixing mechanism is used for fixing a spray pipe, a rotary driving mechanism is further arranged at the upper end of the fixed seat, the rotary driving mechanism is used for driving the spray pipe in the fixing mechanism to rotate, and the fire-fighting spray pipe positioning welding tool further comprises a supporting frame, wherein the supporting frame is arranged at the upper end of the base. According to the invention, the rotary motion of the third motor is converted into the reciprocating swing of the welding head through the first connecting rod and the second connecting rod, and the welding gun is enabled to swing in a specific track in the welding process by matching with the guiding function of the dovetail groove, so that regular molten pool accumulation is formed on the surface of the spray pipe, automatic welding of the fish scale-shaped welding seam is realized, and the attractiveness and the structural strength of the welding seam are improved.

Inventors

  • DING WENWEN

Assignees

  • 丁文文

Dates

Publication Date
20260512
Application Date
20260312

Claims (8)

  1. 1. The utility model provides a fire control shower fixed-position welding frock, includes base (1), its characterized in that, base (1) upper end left and right sides symmetry fixedly connected with fixing base (2), spacing groove (21) have been seted up to fixing base (2) up end, inside sliding connection of spacing groove (21) has lifter plate (22), lifter plate (22) upper end fixedly connected with clamp plate (23), fixed establishment (3) are installed to fixing base (2) and the relative one end of clamp plate (23), fixed establishment (3) are used for fixed shower, rotary driving mechanism (4) are still installed to fixing base (2) upper end, rotary driving mechanism (4) are arranged in driving shower in fixed establishment (3) and rotate, still include: The support frame (5) is arranged at the upper end of the base (1) and is positioned between the fixing seats (2); And the welding mechanism (6) is arranged at the end part of the supporting frame (5), and the welding mechanism (6) is used for welding the joint of the spray pipe.
  2. 2. The fire sprinkler pipe positioning welding tool according to claim 1, wherein a cross rod (24) is fixedly connected between a pair of lifting plates (22), an electric telescopic rod (25) is fixedly connected to the upper end of the base (1), and the output end of the electric telescopic rod (25) is fixedly connected with the lower end of the cross rod (24).
  3. 3. The fire sprinkler pipe positioning welding tool according to claim 1, wherein the fixing mechanism (3) comprises an upper pressing wheel (31), the upper pressing wheel (31) is rotationally connected to the lower end of the pressing plate (23) through a bearing seat, the upper pressing wheel (31) is provided with a plurality of lower pressing wheels (32) symmetrically arranged around, the upper end of the fixing seat (2) is rotationally connected with the lower pressing wheels (32) through the bearing seat, and the lower pressing wheels (32) are provided with a plurality of lower pressing wheels and are respectively located under the upper pressing wheels (31).
  4. 4. The fire sprinkler pipe positioning welding tool according to claim 1, wherein the rotary driving mechanism (4) comprises a first sprocket assembly (41), a pair of lower pressing wheels (32) positioned on the left side of the base (1) are in transmission connection through a first sprocket, a first motor (42) is fixedly connected to the upper end of a fixed seat (2) positioned on the right side of the base (1), an output shaft of the first motor (42) is in transmission connection with the right side of the pair of lower pressing wheels (32) positioned on the right side of the base (1) through a second sprocket assembly (43), and a transmission rod (33) is fixedly connected to the opposite end of the pair of lower pressing wheels (32) positioned on the rear side of the base (1).
  5. 5. The fire sprinkler pipe positioning welding tool according to claim 1, wherein the supporting frame (5) comprises a sleeve rod (51), the sleeve rod (51) is fixedly connected with the upper end of the base (1), a moving rod (52) is slidably connected inside the sleeve rod (51), the upper end of the moving rod (52) is fixedly connected with a mounting plate (53), and a dovetail groove (531) is formed in the lower end face of the end portion of the mounting plate (53).
  6. 6. The fire sprinkler pipe positioning welding tool according to claim 1, wherein the supporting frame (5) further comprises a threaded rod (54), the threaded rod (54) is rotatably connected with the inside of the loop bar (51), the upper end of the threaded rod (54) penetrates through the moving rod (52) and is in threaded connection with the moving rod, a first bevel gear (55) is fixedly connected to the side wall of the lower side of the threaded rod (54), a second motor (56) is fixedly connected to the rear end of the loop bar (51), a second bevel gear (57) is fixedly connected to the output shaft end of the second motor (56), and the second bevel gear (57) is meshed with the first bevel gear (55).
  7. 7. The fire sprinkler pipe positioning welding tool according to claim 1, wherein the welding mechanism (6) comprises a dovetail block (61), the dovetail block (61) is located inside the dovetail groove (531) and is in sliding connection with the dovetail block, and a welding head (62) is fixedly connected to the lower end of the dovetail block (61).
  8. 8. The fire sprinkler pipe positioning welding tool according to claim 1, wherein the welding mechanism (6) further comprises a third motor (63), the third motor (63) is fixedly connected inside the mounting plate (53), an eccentric wheel (64) is fixedly connected to an output shaft end of the third motor (63), a first connecting rod (65) is hinged to the lower end of the eccentric wheel (64), a second connecting rod (66) is hinged to the end portion of the first connecting rod (65), and the end portion of the second connecting rod (66) is hinged to the side wall of the welding head (62).

Description

Fire control shower fixed-position welding frock Technical Field The invention relates to the technical field of welding devices, in particular to a positioning welding tool for a fire-fighting spray pipe. Background The fire-fighting spray pipe is an important component in a building fire-fighting system, is mainly used for automatically spraying fire extinguishing agent when a fire disaster occurs, and has a key effect on controlling the spread of the fire and guaranteeing the life and property safety of personnel. The spray pipe is usually formed by connecting a plurality of sections of steel pipes in a welding mode, and the welding quality directly influences the sealing performance and the service life of the spray system. Along with the continuous improvement of the fire-fighting standard of the building, the requirements on the welding quality of the spray pipe are increasingly strict, the strength and the sealing performance of the welding seam are required to be ensured, and higher requirements are also provided for the appearance quality of the welding seam, wherein the fish scale welding seam becomes one of important indexes for measuring the welding quality due to the characteristics of attractive appearance, uniformity, high strength and the like. At present, the welding mode of the fire-fighting spray pipe mainly comprises two modes of manual welding and mechanical welding. Manual welding can realize scale-shaped welding seams by adjusting welding parameters according to experience of operators, but has the problems of high labor intensity, low efficiency, unstable welding quality and the like, has higher requirements on skill level of the operators, and is difficult to meet the requirement of mass production. Mechanical welding realizes automation of the welding process through automation equipment, can effectively improve welding efficiency and consistency, and reduces dependence on manpower. However, when the existing mechanical welding equipment is used for welding the fire-fighting spray pipes, only simple linear welding or fixed track welding can be realized, dynamic adjustment is difficult to carry out according to the actual conditions of the pipes, the appearance of the welding seams is single, and the technological requirements of fish scale welding seams cannot be met. Disclosure of Invention In order to overcome the defects in the prior art, the invention provides a positioning welding tool for a fire sprinkler pipe, which aims to solve the problems in the prior art. The invention provides a fire-fighting spray pipe positioning welding tool, which comprises a base, wherein the left side and the right side of the upper end of the base are symmetrically and fixedly connected with a fixing seat, the upper end surface of the fixing seat is provided with a limit groove, the inside of the limit groove is connected with a lifting plate in a sliding way, the upper end of the lifting plate is fixedly connected with a pressing plate, one end of the fixing seat opposite to the pressing plate is provided with a fixing mechanism, the fixing mechanism is used for fixing a spray pipe, the upper end of the fixing seat is also provided with a rotary driving mechanism, and the rotary driving mechanism is used for driving the spray pipe in the fixing mechanism to rotate, and the tool further comprises: the support frame is arranged at the upper end of the base and positioned between the fixing seats; And the welding mechanism is arranged at the end part of the support frame and is used for welding the joint of the spray pipe. Preferably, a cross rod is fixedly connected between the lifting plates, an electric telescopic rod is fixedly connected to the upper end of the base, and the output end of the electric telescopic rod is fixedly connected with the lower end of the cross rod. Preferably, the fixing mechanism comprises an upper pressing wheel, the upper pressing wheel is rotationally connected to the lower end of the pressing plate through a bearing seat, the upper pressing wheel is provided with a plurality of front-back symmetrical arrangement, the upper end of the fixing seat is rotationally connected with a lower pressing wheel through the bearing seat, and the lower pressing wheels are provided with a plurality of upper pressing wheels and are respectively located under the upper pressing wheels. Preferably, the rotary driving mechanism comprises a first sprocket assembly, a pair of lower pinch rollers positioned on the left side of the base are in transmission connection through a first sprocket, a first motor is fixedly connected to the upper end of a fixed seat positioned on the right side of the base, an output shaft of the first motor is in transmission connection with the right side of the pair of lower pinch rollers positioned on the right side of the base through a second sprocket assembly, and a transmission rod is fixedly connected to one opposite end of the pair of lower pinch roll