Welding device for semitrailer girder

Abstract

The welding device for the semitrailer girder comprises a frame, a driving air cylinder is installed on the top of the frame, the output end of the driving air cylinder is fixedly connected with a supporting frame, a main control box is installed on the outer wall of the supporting frame, one end of the supporting frame is fixedly connected with a winding winch, and the other end of the supporting frame is fixedly connected with a welding rod. A winding winch is fixedly connected to one end of the supporting frame, a welding wire is wound outside the winding winch, a connecting frame is fixedly connected to the other end of the supporting frame, a welding flux box is fixedly connected to the outer wall of the connecting frame, a feeding pipe is fixedly connected to the bottom of the welding flux box, a wire feeding grip is fixedly connected to one end of the welding wire, and a welding assembly is fixedly connected to one end of the wire feeding grip. According to the welding device for the semitrailer girder, the welding assembly can be combined with the size of a welding seam, discharging and filling of welding flux can be regulated and controlled, mechanical winding of a coil spring is adopted, a torsion spring cover plate is driven to turn over, and a quantitative discharging mode is achieved through simple mechanical operation.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of half trailer girder welding, in particular to a welding device for half trailer girder. BACKGROUND

[0002] In the utility model discloses a kind of welding devices for aluminum alloy half trailer girder, including tooling platform and welding workstation;The tooling platform includes platform main body, deformation prevention support and fixing piece, the platform main body is used to fixed the aluminum alloy half trailer girder of one wing plate of the aluminum alloy half trailer girder to be welded;The deformation prevention support is set on the end face of the other wing plate of the aluminum alloy half trailer girder to be welded, which is away from the platform main body;The fixing piece is set on the platform main body, and the fixing piece is pressed tightly to the platform main body on one side by the deformation prevention support;The welding workstation includes track, moving frame and welding gun assembly, the track is arranged along the direction parallel to the platform main body, the moving frame is slidably arranged on the track, and the welding gun assembly is arranged on the moving frame.

[0003] In the prior art including the above patent, for welding half trailer girder, arc welding method is mostly used, and welding is carried out by using welding agent and welding wire combination method. Because the materials required for girder welding are different, the size of the weld formed after splicing is inconsistent, and the amount of welding agent is different. Therefore, a welding device for half trailer girder with adjustable welding agent feeding amount needs to be designed. UTILITY MODEL CONTENTS

[0004] The utility model discloses a kind of welding devices for half trailer girder, to solve the problem that the welding gap is too small in the above background art, and the problem of waste of welding agent caused by stacking.

[0005] To achieve the above object, the utility model provides the following technical scheme: a kind of welding device for half trailer girder, including frame, the top of the frame is equipped with drive cylinder, the output end of the drive cylinder is fixedly connected with support frame, the outer wall of the support frame is equipped with main control box, one end of the support frame is fixedly connected with winding winch, the outer portion of the winding winch is wound with welding wire, the other end of the support frame is fixedly connected with connecting frame, the outer wall of the connecting frame is fixedly connected with welding agent box, the bottom of the welding agent box is fixedly connected with feeding pipe, one end of the welding wire is fixedly connected with wire feeding handle, one end of the wire feeding handle is fixedly connected with welding assembly.

[0006] Further, the inside of the welding assembly comprises a base, a mounting port, a flux hopper, a welding head, a knob, a pull-up coil spring and a torsion spring cover plate, the bottom of the wire feeding holder is fixedly connected with the base, one side of the base is provided with the mounting port, the bottom of the base is fixedly connected with the flux hopper, the bottom of the flux hopper is provided with the welding head, one side of the base is bearing-connected with the knob, the outer wall of the knob is wound with the pull-up coil spring, and the inside of the flux hopper is pivotally connected with the torsion spring cover plate.

[0007] Further, the lower part of the mounting port is provided with a threaded pipe, the threaded pipe is fixed to the base through a nut, and the upper end of the mounting port is connected with the other end of the feeding pipe.

[0008] Further, the other end of the pull-up coil spring is fixedly connected with the left bottom of the torsion spring cover plate, the torsion spring cover plate is divided into a torsion spring and a cover plate, the cover plate is movably connected with the pivot through the torsion spring, and the torsion spring cover plate is arranged at the discharging port position of the mounting port.

[0009] Further, the welding wire penetrates through the wire feeding holder to the welding head position, the inside of the wire feeding holder is provided with a wire feeding roller, and another group of wire feeding rollers are arranged on the inner wall of the connecting frame.

[0010] Further, one side of the connecting frame is provided with a clamping groove, and the welding assembly is clamped and connected with the clamping groove.

[0011] Further, the outer wall of the flux box is provided with a viewing window, and the bottom plane of the connecting frame is higher than the plane where the vehicle frame is located.

[0012] Compared with the prior art, the welding device for the girder of a semitrailer has the following advantages:

[0013] (1) When the girder of a semitrailer is welded, the size of the welding seam is combined, the discharging and filling of the flux are controlled, the knob is rotated, the pull-up coil spring is wound, the mechanical winding of the coil spring is adopted, the torsion spring cover plate is turned over, the simple mechanical operation is used, the quantitative discharging mode is realized, the internal accumulated flux of the flux hopper is discharged in small doses, the welding seam position is filled, the appropriate dose can be selected according to the gap of different splicing positions of the girder, the unified discharging of the granular flux is reduced, the accumulation is avoided, the waste of flux is avoided, a large amount of flux is reduced, the outlet position is not blocked, the welding block is small when the two ends are connected, and the appearance of the welding position is improved.

[0014] (2) through the design of the frame, the position of the semi-trailer girder is aligned, the welding position is moved, the connecting frame is used for supporting at some larger welding position, the frame is directly driven for welding operation, the handheld welding mode is used for welding at some smaller welding position, the application range is wider, the welding is more firm during the welding process of the welding wire and the welding agent, the welding mode is more flexible and environmental friendly, and the automatic wire feeding operation can be completed whether the vehicle is held or handheld, and the cumbersome steps of manual feeding are reduced. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 is a front view of the utility model;

[0016] Figure 2 is a schematic view of the connecting structure of the connecting frame and the welding assembly of the utility model;

[0017] Figure 3 is a schematic view of the structure of the winding capstan and the welding assembly of the utility model;

[0018] Figure 4 is a schematic view of the structure of the wire feeding handle and the welding footprint of the utility model;

[0019] Figure 5 is a schematic view of the structure of the welding assembly of the utility model.

[0020] In the drawing: 1, frame; 2, driving cylinder; 3, support frame; 4, main control box; 5, winding capstan; 6, welding wire; 7, connecting frame; 8, welding agent box; 9, feeding pipe; 10, wire feeding handle; 11, welding assembly; 1101, base; 1102, mounting port; 1103, welding agent hopper; 1104, welding head; 1105, knob; 1106, pull-up coil spring; 1107, torsion spring cover plate; 12, wire feeding roller. DETAILED DESCRIPTION

[0021] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to 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 the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.

[0022] Please refer to Figures 1-5 The utility model provides a technical scheme:

[0023] Embodiment 1:

[0024] The utility model provides a kind of welding device for semitrailer girder, including frame 1, the top of frame 1 is equipped with drive cylinder 2, the output end of drive cylinder 2 is fixedly connected with support frame 3, the outer wall of support frame 3 is equipped with main control box 4, one end of support frame 3 is fixedly connected with winding winch 5, the outside of winding winch 5 is wound with welding wire 6, the other end of support frame 3 is fixedly connected with connecting frame 7, the outer wall of connecting frame 7 is fixedly connected with flux box 8, the bottom of flux box 8 is fixedly connected with feeding pipe 9, one end of welding wire 6 is fixedly connected with wire feeding handle 10, one end of wire feeding handle 10 is fixedly connected with welding assembly 11.

[0025] The above structure can select appropriate dosage according to the gap of different splicing positions of the girder, reduce the uniform feeding of granular flux, and reduce the outlet position blockage caused by the large amount of flux falling.

[0026] Further, the inside of welding assembly 11 includes base 1101, mounting port 1102, flux hopper 1103, welding head 1104, knob 1105, pull-up coil spring 1106 and torsion spring cover plate 1107, the bottom of wire feeding handle 10 is fixedly connected with base 1101, one side of base 1101 is provided with mounting port 1102, the bottom of base 1101 is fixedly connected with flux hopper 1103, the bottom of flux hopper 1103 is mounted with welding head 1104, one side of base 1101 is bearing-connected with knob 1105, the outer wall of knob 1105 is wound with pull-up coil spring 1106, the inside of flux hopper 1103 is pivotally connected with torsion spring cover plate 1107.

[0027] The above structure realizes the quantitative feeding mode by simple mechanical operation, so that the accumulated flux in the flux hopper 1103 is fed in small doses to fill the weld position.

[0028] Further, the lower part of mounting port 1102 is provided as a threaded pipe, and the threaded pipe is fixed to base 1101 by a nut, the upper end of mounting port 1102 is connected with the other end of feeding pipe 9, the other end of pull-up coil spring 1106 is fixedly connected with the left bottom of torsion spring cover plate 1107, torsion spring cover plate 1107 is divided into torsion spring and cover plate two parts, and the cover plate is movably connected with the pivot by the torsion spring, and the torsion spring cover plate 1107 is arranged at the feeding port position of mounting port 1102, the welding wire 6 penetrates through the wire feeding handle 10 to the welding head 1104 position, the inside of wire feeding handle 10 is provided with wire feeding roller 12, and another group of wire feeding roller 12 is mounted on the inner wall of connecting frame 7.

[0029] The above structure can drive pull-up coil spring 1106 to wind by rotating knob 1105, and the mechanical winding of coil spring drives torsion spring cover plate 1107 to flip.

[0030] Further, one side of the connecting frame 7 is provided with a clamping groove, and the soldering assembly 11 is connected with the clamping groove in a clamping manner, the outer wall of the solder box 8 is provided with a viewing window, and the bottom plane of the connecting frame 7 is higher than the plane where the frame 1 is located.

[0031] The above structure facilitates observation of the internal amount of solder through the viewing window, and facilitates timely supplement in the later period.

[0032] Working principle: in use, first, the required solder is stored in the solder box 8, when the beam of the semitrailer is welded, because the beam has a large volume, the submerged arc welding method is usually used, the welding head 1104 is used for welding, the welding assembly 11 is used to facilitate the movement of the semitrailer beam during welding, and because the materials required by the beam are different, the size of the weld formed by splicing welding is also different;

[0033] Secondly, through the design of the frame 1, the position of the beam of the semitrailer is conveniently aligned, the welding position is conveniently moved, the connecting frame 7 is used for supporting at a position with a larger weld, the frame 1 is directly driven for welding operation, handheld welding is used for welding at a position with a smaller weld, and the welding is independently aligned, so that the application range is wider, the welding is more firm during the welding process, the welding method is more environmentally friendly and flexible, whether it is a vehicle or a hand-held type, automatic wire feeding operation can be completed, and the cumbersome steps of manual feeding are reduced.

[0034] Finally, the rotating knob 1105 drives the pulling coil spring 1106 to be wound, the mechanical winding of the coil spring drives the torsional spring cover plate 1107 to be turned over, the simple mechanical operation realizes the quantitative feeding mode, so that the solder accumulated in the solder hopper 1103 is fed in a small amount, so that the weld position is filled, the appropriate amount can be selected according to the gap of the different splicing positions of the beam, the granular solder is uniformly fed, accumulation is reduced, and the waste of the solder is avoided.

[0035] It is obvious for those skilled in the art that the utility model is not limited to the details of the above-mentioned exemplary embodiments, and the utility model can be realized in other specific forms without departing from the spirit or basic characteristics of the utility model. Therefore, from any point of view, the embodiments should be regarded as exemplary and non-limiting, the scope of the utility model is defined by the appended claims rather than the above description, and therefore all changes falling within the meaning and scope of the equivalent elements of the claims are intended to be included in the utility model. Any reference signs in the claims should not be regarded as limiting the involved claims.

Claims

1. A welding device for a semi-trailer girder, comprising a frame (1), characterized in that: The top of the frame (1) is provided with a driving cylinder (2), the output end of the driving cylinder (2) is fixedly connected with a support frame (3), the outer wall of the support frame (3) is provided with a main control box (4), one end of the support frame (3) is fixedly connected with a winding capstan (5), the outer part of the winding capstan (5) is wound with a welding wire (6), the other end of the support frame (3) is fixedly connected with a connecting frame (7), the outer wall of the connecting frame (7) is fixedly connected with a flux box (8), the bottom of the flux box (8) is fixedly connected with a feeding pipe (9), one end of the welding wire (6) is fixedly connected with a wire feeding handle (10), one end of the wire feeding handle (10) is fixedly connected with a welding assembly (11). The inside of the welding assembly (11) comprises a base (1101), a mounting port (1102), a flux hopper (1103), a welding head (1104), a knob (1105), a pull-up coil spring (1106) and a torsional spring cover plate (1107), the bottom of the wire feeding handle (10) is fixedly connected with the base (1101), one side of the base (1101) is provided with the mounting port (1102), the bottom of the base (1101) is fixedly connected with the flux hopper (1103), the bottom of the flux hopper (1103) is provided with the welding head (1104), one side of the base (1101) is bearing-connected with the knob (1105), the outer wall of the knob (1105) is wound with the pull-up coil spring (1106), the inside of the flux hopper (1103) is pivotally connected with the torsional spring cover plate (1107). The other end of the pull-up coil spring (1106) is fixedly connected with the left bottom of the torsional spring cover plate (1107), the torsional spring cover plate (1107) is divided into a torsional spring and a cover plate, and the cover plate is movably connected with the pivot through the torsional spring, and the torsional spring cover plate (1107) is arranged at the discharging port position of the mounting port (1102).

2. The welding device for a beam of a semitrailer according to claim 1, characterized in that: The lower part of the mounting port (1102) is provided with a threaded pipe, and the threaded pipe is fixed to the base (1101) through a nut, and the upper end of the mounting port (1102) is connected with the other end of the feeding pipe (9).

3. The device for welding a beam of a semitrailer according to claim 1, characterized in that: The welding wire (6) penetrates through the wire feeding handle (10) to the welding head (1104) position, and the inside of the wire feeding handle (10) is provided with a wire feeding roller (12), and the inner wall of the connecting frame (7) is provided with another wire feeding roller (12).

4. The device for welding a beam of a semitrailer according to claim 1, characterized in that: One side of the connecting frame (7) is provided with a clamping groove, and the welding assembly (11) is clamped and connected with the clamping groove.

5. The device for welding a beam of a semitrailer according to claim 1, characterized in that: The outer wall of the flux box (8) is provided with a viewing window, and the bottom plane of the connecting frame (7) is higher than the plane where the frame (1) is located.

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