A flip welding tool for expansion joint welding

Abstract

The utility model discloses a flip welding tool for expansion joint welding, including a support frame, a rotating table and an adjustment fixing structure installed on the rotating table, wherein the support frame is a C-shaped structure, and the two ends of the rotating table are rotatably arranged on opposite side walls in the support frame, and the side walls of the support frame are provided with a rotating motor, and the power output shaft of the rotating motor is connected to the rotating table for driving the rotating table to rotate; the adjustment fixing structure includes an adjustment bin, an adjustment motor, a lifting and adjusting component and a locking component, the upper end of the adjustment bin is open, the adjustment bin is rotatably arranged on the rotating table, the lifting and adjusting component is arranged on the bottom wall of the adjustment bin, the locking component is arranged on the side wall of the adjustment bin, and a gear ring is installed on the outer side of the adjustment bin. The utility model relates to the technical field of expansion joint welding, and specifically provides a flip welding tool for expansion joint welding.

Description

Technical Field

[0001] The utility model relates to the technical field of expansion joint welding, in particular to a turnover welding tool for expansion joint welding. Background Art

[0002] An expansion joint is a flexible connector used in piping systems to absorb linear or angular dimensional changes caused by thermal expansion, vibration, displacement, etc.

[0003] During the production process of large expansion joints, welding is required to be performed with the end flange. The weld is in the shape of a circular ring, and the fixed tooling cannot be rotated during welding. The segmented welding is very demanding on the skills of the welders and the welding efficiency is low. At the same time, the existing welding tooling is not convenient for flexible clamping according to the size of the expansion joint. Utility Model Content

[0004] The technical problem to be solved by the utility model is that the welding tool is not convenient to flexibly clamp according to the size of the expansion joint, and the welding tool is not convenient to flip, which affects the welding efficiency.

[0005] In order to solve the above technical problems, the utility model provides the following technical solutions: the utility model proposes a flip welding tool for expansion joint welding, comprising a support frame, a rotating table and an adjusting and fixing structure installed on the rotating table, the support frame is a C-shaped structure, the two ends of the rotating table are rotatably arranged on opposite side walls inside the support frame, the side walls of the support frame are provided with a rotating motor, the power output shaft of the rotating motor is connected to the rotating table, and is used to drive the rotating table to rotate; the adjusting and fixing structure comprises an adjusting bin, an adjusting motor, a lifting and adjusting component and a locking component, the upper end of the adjusting bin is open, the adjusting bin is rotatably arranged on the rotating table, the lifting and adjusting component is arranged on the bottom wall of the adjusting bin, the locking component is arranged on the side wall of the adjusting bin, a gear ring is installed on the outside of the adjusting bin, the adjusting motor is arranged at the bottom of the rotating table, the power output shaft of the adjusting motor passes through and extends to the top of the rotating table, and a driving gear is arranged on the power output shaft of the adjusting motor, and the driving gear is meshed with the gear ring.

[0006] Preferred technical solution one: the lifting and adjusting assembly includes an adjusting support plate and an adjusting screw, an opening is provided in the middle of the rotating table, the adjusting screw passes through and is threadedly connected to the bottom wall of the adjusting bin, a sliding groove is provided on the inner side wall of the adjusting bin, the adjusting support plate is slidably arranged in the sliding groove, the upper end of the adjusting screw is rotatably arranged at the bottom of the adjusting support plate, and the lower end of the adjusting screw passes through the opening and extends to the bottom.

[0007] Preferred technical solution two: the locking assembly includes a locking screw and a holding block. The locking screw passes through and is arranged on the side wall of the adjusting bin through a threaded connection. The holding block is rotatably arranged on one end of the locking screw. The holding block is an arc-shaped structure. The locking assembly is evenly distributed in four groups with the central axis of the adjusting bin as the center.

[0008] Preferred technical solution three: the side wall of the holding block is also provided with an anti-slip rubber pad.

[0009] Preferred technical solution four: A controller is provided on the side wall of the support frame, and the regulating motor and the rotating motor are both electrically connected to the controller.

[0010] Preferred technical solution five: four groups of supporting feet are provided at the bottom of the support frame, and the four groups of supporting feet are arranged at the four corners of the bottom of the support frame.

[0011] The utility model proposes a flip welding tool for expansion joint welding, and the beneficial effects achieved by adopting the above structure are as follows:

[0012] (1) The tilt angle of the fixture is adjusted by the cooperation of the rotating table and the rotating motor, and the adjusting chamber, the adjusting motor, the driving gear and the gear ring are cooperated to make the adjusting chamber rotate and flip to achieve continuous welding;

[0013] (2) The lifting and adjusting components are provided to stably support expansion joints of different lengths, and the locking components are used to stably clamp the side walls of the expansion joints. The two components cooperate to avoid the weld bead, making the welding angle more flexible and the welding more efficient and convenient. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] The accompanying drawings are used to provide a further understanding of the present invention and constitute a part of the specification. Together with the embodiments of the present invention, they are used to explain the present invention and do not constitute a limitation of the present invention. In the accompanying drawings:

[0015] Figure 1 The overall structure of the flip welding tool for expansion joint welding proposed by the utility model is shown in FIG. Figure 1 ;

[0016] Figure 2 The overall structure of the flip welding tool for expansion joint welding proposed by the utility model is shown in FIG. Figure 2 ;

[0017] Figure 3 The utility model discloses a cross-sectional structural schematic diagram of a flip welding tool for expansion joint welding.

[0018] Among them, 1. support frame, 2. rotating table, 3. adjustment fixing structure, 4. rotating motor, 5. adjustment bin, 6. adjustment motor, 7. gear ring, 8. driving gear, 9. adjustment support plate, 10. adjustment screw, 11. opening, 12. sliding groove, 13. locking screw, 14. holding block, 15. anti-slip rubber pad, 16. controller, 17. support foot. DETAILED DESCRIPTION

[0019] The technical solutions in the embodiments of the utility model will be clearly and completely described below in conjunction with the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all of the embodiments; based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of the utility model.

[0020] It should be noted that the words "front", "rear", "left", "right", "up" and "down" used in the following description refer to directions in the drawings, and the words "inside" and "outside" refer to directions toward or away from the geometric center of a specific component, respectively.

[0021] like Figures 1 to 3As shown, the technical solution adopted by the utility model is as follows: a flip welding tool for expansion joint welding, comprising a support frame 1, a rotating table 2 and an adjusting and fixing structure 3 installed on the rotating table 2, the support frame 1 is a C-shaped structure, the two ends of the rotating table 2 are rotatably arranged on the opposite side walls inside the support frame 1, the side wall of the support frame 1 is provided with a rotating motor 4, the power output shaft of the rotating motor 4 is connected to the rotating table 2, and is used to drive the rotating table 2 to rotate; the adjusting and fixing structure 3 comprises an adjusting bin 5, an adjusting motor 6, a lifting and adjusting component and a locking component, the upper end of the adjusting bin 5 has an opening 11, the adjusting bin 5 is rotatably arranged on the rotating table 2, the lifting and adjusting component is arranged on the inner bottom wall of the adjusting bin 5, the locking component is arranged on the side wall of the adjusting bin 5, a gear ring 7 is installed on the outer side of the adjusting bin 5, the adjusting motor 6 is arranged at the bottom of the rotating table 2, the power output shaft of the adjusting motor 6 passes through and extends to the top of the rotating table 2, and a driving gear 8 is arranged on the power output shaft of the adjusting motor 6. The gear 8 is meshed with the gear ring 7; the lifting and adjusting assembly includes an adjusting support plate 9 and an adjusting screw 10. An opening 11 is provided in the middle of the rotating table 2. The adjusting screw 10 passes through and is arranged on the bottom wall of the adjusting bin 5 through a threaded connection. A sliding groove 12 is provided on the inner side wall of the adjusting bin 5. The adjusting support plate 9 is slidably arranged in the sliding groove 12. The upper end of the adjusting screw 10 is rotatably arranged on the bottom of the adjusting support plate 9. The lower end of the adjusting screw 10 passes through the opening 11 and extends to the bottom; locking assembly It includes a locking screw 13 and a holding block 14. The locking screw 13 passes through and is arranged on the side wall of the adjusting bin 5 through a threaded connection. The holding block 14 is rotatably arranged at one end of the locking screw 13. The holding block 14 is arranged in an arc-shaped structure. The locking assembly is evenly distributed in four groups with the central axis of the adjusting bin 5 as the center of the circle; the side wall of the holding block 14 is also provided with an anti-slip rubber pad 15; four groups of supporting feet 17 are arranged at the bottom of the support frame 1, and the four groups of supporting feet 17 are evenly distributed at the four corners of the bottom of the support frame 1.

[0022] A controller 16 is disposed on the side wall of the support frame 1 , and the regulating motor 6 and the rotating motor 4 are both electrically connected to the controller 16 .

[0023] During specific use, one end of the expansion joint is inserted into the adjusting chamber 5, and the leakage position of the flange is adjusted according to the expanded welding position. Specifically, the adjusting screw 10 is rotated to drive the adjusting support plate 9 to move up and down, so as to adjust and support the leakage height of the expansion joint. Then, the side wall of the expansion joint is pressed by four sets of locking components, and the rotating table 2 is driven by the rotating motor 4 to rotate to a suitable welding angle for welding. During the welding process, the driving gear 8 is driven by the adjusting motor 6, and then the gear ring 7 is driven to move, so that the adjusting chamber 5 drives the expansion joint to rotate, so as to achieve continuous and efficient welding.

[0024] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprises" or any other variations thereof are intended to cover non-exclusive inclusion, so that a process, method, material or apparatus including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, material or apparatus.

[0025] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A flip welding tool for expansion joint welding, comprising a support frame, a rotating table and an adjustment and fixing structure installed on the rotating table, characterized in that: The support frame is set up as a C-shaped structure, and the two ends of the rotating table are rotatably arranged on opposite side walls inside the support frame. The side walls of the support frame are provided with a rotating motor, and the power output shaft of the rotating motor is connected to the rotating table; the adjustment and fixing structure includes an adjustment bin, an adjustment motor, a lifting and adjusting component and a locking component. The upper end of the adjustment bin is open, and the adjustment bin is rotatably arranged on the rotating table. The lifting and adjusting component is arranged on the bottom wall of the adjustment bin, and the locking component is arranged on the side wall of the adjustment bin. A gear ring is installed on the outside of the adjustment bin, and the adjustment motor is arranged at the bottom of the rotating table. The power output shaft of the adjustment motor passes through and extends to the top of the rotating table. A driving gear is provided on the power output shaft of the adjustment motor, and the driving gear is meshed with the gear ring.

2. The flip welding tool for expansion joint welding according to claim 1, characterized in that: The lifting and adjusting assembly includes an adjusting support plate and an adjusting screw. An opening is provided in the middle of the rotating table. The adjusting screw passes through and is threadedly connected to the bottom wall of the adjusting bin. A sliding groove is provided on the inner side wall of the adjusting bin. The adjusting support plate is slidably arranged in the sliding groove. The upper end of the adjusting screw is rotatably arranged at the bottom of the adjusting support plate. The lower end of the adjusting screw passes through the opening and extends downward.

3. The flip welding tool for expansion joint welding according to claim 2 is characterized in that: The locking assembly includes a locking screw and a holding block. The locking screw passes through and is arranged on the side wall of the adjusting bin through a threaded connection. The holding block is rotatably arranged on one end of the locking screw. The holding block is arranged in an arc-shaped structure. The locking assembly is evenly distributed in four groups with the central axis of the adjusting bin as the center.

4. The flip welding tool for expansion joint welding according to claim 3 is characterized in that: The side wall of the holding block is also provided with an anti-slip rubber pad.

5. The flip welding tool for expansion joint welding according to claim 4, characterized in that: A controller is provided on the side wall of the support frame, and the regulating motor and the rotating motor are both electrically connected to the controller.

6. The flip welding tool for expansion joint welding according to claim 5, characterized in that: The bottom of the support frame is provided with four groups of support feet, and the four groups of support feet are arranged at the four corners of the bottom of the support frame.

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