Angle-adjustable support for handheld welding gun wire feeding mechanism and handheld welding equipment

Abstract

The utility model discloses an angle-adjustable support for a handheld welding gun wire feeding mechanism and handheld welding equipment, and the angle-adjustable support comprises a fixed seat, a first rotating shaft, a second rotating shaft, a first rotating shaft and a second rotating shaft, the adjustable assembly comprises an adjusting frame, a self-locking gasket and a fastener, a through hole is formed in the adjusting frame, the self-locking gasket is arranged between the adjusting frame and the first cantilever, and the fastener penetrates through the through hole and the self-locking gasket and is connected with the screw hole; when the fastener is in an unscrewed state, the adjusting frame can rotate relative to the fixing base, and the angle of the adjusting frame relative to the fixing base is adjusted. When the fastener is in a tightening state, the two side faces of the fastener are tightly attached to the adjusting frame and the self-locking gasket, and the adjusting frame and the self-locking gasket are fastened to the first cantilever. By means of the mode, the angle-adjustable support for the handheld welding gun wire feeding mechanism can solve the problem that in the using process of a conventional angle-adjustable support, due to disturbance such as collision, pretightening force of a locking mechanism disappears, the support shakes, and then the angle of the wire feeding mechanism is changed, so that the welding efficiency and quality are affected.

Description

Technical Field

[0001] The present application relates to the technical field of handheld welding equipment, and in particular to an angle-adjustable bracket for a handheld welding gun wire feeding mechanism and a handheld welding equipment. Background Art

[0002] The adjustable angle bracket for the wire feeding mechanism of a handheld welding gun has been adopted by a large number of handheld welding guns because it can flexibly adjust the angle, making the handheld welding gun equipment compatible with various working conditions, effectively improving the performance of the handheld welding gun, and improving welding efficiency and welding quality.

[0003] The conventional adjustable angle bracket currently used for the wire feeding mechanism of a handheld welding gun is fastened with a mechanical screw. When the welding gun is in use, the bracket is rotated under force, which will cause the pre-tightening force of the screw to disappear, the bracket angle cannot be guaranteed, and shaking problems will occur, which in turn causes the angle of the wire feeding mechanism to change, affecting welding efficiency and welding quality. Therefore, the optimized design of the angle adjustment bracket can effectively improve the overall performance of the equipment. Utility Model Content

[0004] This application mainly provides an adjustable angle bracket for a handheld welding gun wire feeding mechanism to solve the problem that the angle of the adjustable angle bracket for a handheld welding gun wire feeding mechanism is not reliable enough during use, resulting in shaking and angle changes in the bracket, affecting welding efficiency and quality.

[0005] To solve the above technical problems, the present application adopts a technical solution: providing an adjustable angle bracket for a handheld welding gun wire feeder mechanism. The angle adjustment bracket comprises: a fixed seat including a first cantilever, wherein the first cantilever is provided with a screw hole; an adjustable component comprising an adjustment frame, a self-locking washer, and a fastener, wherein the adjustment frame is provided with a through hole, the self-locking washer is arranged between the adjustment frame and the first cantilever, and the fastener passes through the through hole and the self-locking washer and is connected to the screw hole; wherein, when the fastener is in a loose state, the adjustment frame can rotate relative to the fixed seat to adjust the angle of the adjustment frame relative to the fixed seat; and when the fastener is in a tightened state, the two side surfaces of the fastener are tightly fitted with the adjustment frame and the self-locking washer, thereby fastening the adjustment frame and the self-locking washer to the first cantilever.

[0006] In some embodiments, the adjustable component further includes an anti-rotation limiter, and one end of the anti-rotation limiter is provided with a first anti-rotation structure;

[0007] The fixing seat further includes a second cantilever spaced apart from the first cantilever, and the second cantilever is provided with a second anti-rotation structure;

[0008] The anti-rotation limiter is arranged on the side of the adjustment frame away from the self-locking gasket, the fastener also passes through the anti-rotation limiter, and the first anti-rotation structure cooperates with the second anti-rotation structure, so that the angle of the adjustment frame remains unchanged after the fastener is tightened.

[0009] In some embodiments, the first anti-rotation structure is one of a groove and a protrusion, the second anti-rotation structure is the other of the groove and the protrusion, and the protrusion is inserted into the groove.

[0010] In some embodiments, the groove is arranged to penetrate in a direction parallel to the axial direction of the through hole.

[0011] In some embodiments, the anti-rotation limiter is provided with anti-loosening lines on a side facing the adjustment frame.

[0012] In some embodiments, the fixing seat further includes a seat body, the first cantilever and the second cantilever are arranged on the same side of the seat body, and the seat body is provided with a plurality of waist holes.

[0013] In some embodiments, the self-locking gasket is a double-stacked self-locking gasket.

[0014] In some embodiments, the fastener is a triple combination screw.

[0015] In some embodiments, the first cantilever is provided with a preset hole, a rivet nut is pressed into the preset hole, the rivet nut has the screw hole, and the rivet nut and the preset hole form a recessed groove for mounting the self-locking gasket.

[0016] To solve the above technical problems, another technical solution adopted by this application is to provide a handheld welding device. The handheld welding device includes a welding gun, a wire feed mechanism, and an adjustable angle bracket for the handheld welding gun wire feed mechanism, as described above, wherein the fixing base is fixedly connected to the head of the welding gun, and the wire feed mechanism is installed on the adjustment bracket.

[0017] The beneficial effects of the present application are as follows: different from the prior art, the present application discloses an adjustable angle bracket for a handheld welding gun wire feeding mechanism and a handheld welding device. In the present application, a fastener is connected to a screw hole, and an adjustment frame is passed through the fastener, wherein the fastener is loosened to release the fixation of the adjustment frame, and the angle formed by the adjustment frame relative to the fixed seat can be adjusted, and the fastener is tightened to fix the adjustment frame; wherein, the tightening torque applied by the fastener acts on the adjustment frame, and only a small torque is required to lock the adjustment frame, and a self-locking gasket is further provided between the adjustment frame and the first cantilever, so that when the adjustment frame is subjected to force and has a tendency to rotate during use, the pre-tightening force of the fastener is increased to prevent the adjustment frame from rotating. This can solve the problem that during the use of a conventional angle adjustment bracket, the adjustment bracket is disturbed by bumps and the like, which causes the pre-tightening force of the locking mechanism to disappear, causing the bracket to shake, and then causing the angle of the wire feeding mechanism to change, affecting the welding efficiency and welding quality. The angle of the bracket is always consistent and free from disturbance, effectively ensuring the welding efficiency and welding quality. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the following briefly introduces the drawings required for use in the embodiments or the description of the prior art. Obviously, the drawings described below are only some embodiments of the present application. Those skilled in the art can also derive other drawings based on these drawings without inventive work, among which:

[0019] Figure 1 This is a structural diagram of an embodiment of an adjustable angle bracket for a handheld welding gun wire feeding mechanism provided by the present application;

[0020] Figure 2 yes Figure 1 Schematic diagram of the exploded structure of the adjustable angle bracket for the wire feeding mechanism of the handheld welding gun;

[0021] Figure 3 It is a structural schematic diagram of an embodiment of the handheld welding device provided by this application. DETAILED DESCRIPTION

[0022] The following will be combined with the drawings in the embodiments of this application to clearly and completely describe the technical solutions in the embodiments of this application. Obviously, the embodiments described are only part of the embodiments of this application, not all of the embodiments. Based on the embodiments in this application, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of this application.

[0023] The terms "first", "second" and "third" in the embodiments of the present application are only used for descriptive purposes and are not to be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Thus, a feature defined as "first", "second" and "third" may explicitly or implicitly include at least one of the features. In the description of the present application, the meaning of "plurality" is at least two, such as two, three, etc., unless otherwise clearly and specifically defined. In addition, the terms "including" and "having" and any variations thereof are intended to cover non-exclusive inclusions. For example, a process, method, system, product or device comprising a series of steps or units is not limited to the listed steps or units, but may optionally also include steps or units that are not listed, or may optionally also include other steps or units inherent to these processes, methods, products or devices.

[0024] References to "embodiments" herein mean that a particular feature, structure, or characteristic described in connection with the embodiments may be included in at least one embodiment of the present application. The appearance of the phrase in various places in the specification does not necessarily refer to the same embodiment, nor does it constitute an independent or alternative embodiment that is mutually exclusive of other embodiments. It is understood, both explicitly and implicitly, by those skilled in the art that the embodiments described herein may be combined with other embodiments.

[0025] The present application provides an adjustable angle bracket 100 for a handheld welding gun wire feeding mechanism, see Figure 1 and Figure 2 , Figure 1 This is a structural diagram of an embodiment of an adjustable angle bracket for a handheld welding gun wire feeding mechanism provided by the present application. Figure 2 yes Figure 1 Schematic diagram of the exploded structure of the adjustable angle bracket for the wire feed mechanism of the handheld welding gun shown.

[0026] The adjustable angle bracket 100 for the wire feeding mechanism of a handheld welding gun includes: a fixed base 10, including a first cantilever 11, the first cantilever 11 is provided with a screw hole 110; an adjustable component 20, including an adjusting frame 21, a self-locking washer 22 and a fastener 23, the adjusting frame 21 is provided with a through hole 210, the self-locking washer 22 is arranged between the adjusting frame 21 and the first cantilever 11, the fastener 23 passes through the through hole 210 and the self-locking washer 22 and is connected to the screw hole 110; wherein, when the fastener 23 is in a loose state, the adjusting frame 21 can rotate relative to the fixed base 10, and the angle of the adjusting frame 21 relative to the fixed base 10; when the fastener 23 is in a tightened state, the two side surfaces of the fastener 23 are tightly fitted with the adjusting frame 21 and the self-locking washer 22, fastening the adjusting frame 21 and the self-locking washer 22 to the first cantilever 11.

[0027] The adjustable angle bracket 100 for the wire feeding mechanism of a handheld welding gun provided in this application is applied to the field of welding gun accessories, wherein the fixing seat 10 is fixed on a machine body, and the adjusted part is installed on the adjusting frame 21. The adjusted part can be adjusted relative to the fixing seat 10 along with the adjusting frame 21, and is fixed after being adjusted to the required angle.

[0028] The fixing seat 10 includes a seat body 14, and the first cantilever 11 is arranged on one side of the seat body 14. The seat body 14 is provided with multiple waist holes, which can be connected to the body to be installed by screws, and the waist holes can provide a certain adjustment space to facilitate the adjustment of the position of the fixing seat 10.

[0029] Optionally, a strap may be installed on the seat body 14, and the seat body 14 may be fixed to the machine body to be installed via the strap.

[0030] A screw hole 110 is provided on the first cantilever 11 . The screw hole 110 may be formed by tapping, or a nut having the screw hole 110 may be installed on the first cantilever 11 , for example, the nut may be welded to the first cantilever 11 .

[0031] In this embodiment, the first cantilever 11 is provided with a preset hole, into which a rivet nut 112 is pressed. The rivet nut 112 has a screw hole 110 , and a recess 114 for installing a self-locking gasket 22 is formed between the rivet nut 112 and the preset hole.

[0032] By using the rivet nut 112 to press into the preset hole of the first cantilever 11, the position accuracy and dimensional accuracy of the formed screw hole can be reliably guaranteed. Compared with the thread formed by direct tapping, the rivet nut 112 provides better pull-out resistance and torque resistance, and can better support the connection performance and torsional resistance characteristics between the fastener 23.

[0033] Furthermore, the self-locking gasket 22 is installed in the recessed groove 114, which can facilitate the pre-installation of the self-locking gasket 22, reduce the difficulty of assembly, and provide a larger area of ​​friction contact surface, further improving the anti-rotation ability. The recessed groove 114 can be directly formed at a low cost by matching the rivet nut 112 with the pre-set hole without incurring additional costs for production.

[0034] Optionally, the first cantilever 11 does not need to be provided with the recessed groove 114 , and the self-locking washer 22 directly contacts the surface of the first cantilever 11 .

[0035] In this embodiment, the self-locking gasket 22 is a double-stacked self-locking gasket. When subjected to a pre-tightening force, the double-stacked self-locking gasket can generate a reaction force, which can resist the loosening tendency caused by vibration, thereby maintaining the tight state of the connection; the wavy design on it can play a certain buffering role when subjected to impact or vibration, reducing the stress directly transmitted to the fastener, and helping to extend the service life of the fastener; under dynamic load conditions, the double-stacked self-locking gasket can help maintain a certain pre-tightening force, ensuring that the connection part remains tight for a long time and is not easy to loosen.

[0036] In other usage scenarios, the self-locking washer 22 may also be a single washer.

[0037] A through hole 210 is provided on the adjustment frame 21, and the fastener 23 passes through the through hole 210 and the self-locking washer 22 and is connected to the screw hole 110. The fastener 23 can be a screw or a bolt. For example, the fastener 23 is a screw, and the head of the screw and the self-locking washer 22 clamp the adjustment frame 21 in the middle; for example, the fastener 23 is a bolt, one end of the bolt is connected to the screw hole 110, and a nut is installed at the other end, then the nut and the self-locking washer 22 clamp the adjustment frame 21 in the middle.

[0038] In this embodiment, the fastener 23 is a three-piece screw assembly comprising a screw, a spring washer, and a flat washer integrated together. The flat washer and the self-locking washer 22 can sandwich the adjustment frame 21. The three-piece screw assembly effectively prevents the screw from loosening due to vibration or dynamic loads, thereby improving the reliability of the fastener.

[0039] In the present application, the fastener 23 is connected to the screw hole 110, and the adjustment frame 21 is inserted into the fastener 23. When the fastener 23 is loosened, the fixing of the adjustment frame 21 is released, and the angle formed by the adjustment frame 21 relative to the fixing seat 10 can be adjusted. When the fastener 23 is tightened, the adjustment frame 21 is fixed. The tightening torque applied by the fastener 23 acts on the adjustment frame 21, and only a small torque is required to lock the adjustment frame 21. Furthermore, a self-locking gasket 22 is provided between the adjustment frame 21 and the first cantilever 11. Therefore, when the adjustment frame 21 is subjected to force and has a tendency to rotate during use, the pre-tightening force of the fastener 23 is increased, preventing the adjustment frame 21 from rotating. This can eliminate the situation in which the pre-tightening force of the locking mechanism is lost due to collisions of the adjustment frame 21 during use of conventional angle adjustment brackets, thereby causing the angle to become flexible.

[0040] Furthermore, the present embodiment uses double-stacked self-locking washers, which can better resist loosening tendencies caused by vibration or collision, thereby maintaining a tight connection.

[0041] Furthermore, the adjustable component 20 also includes an anti-rotation limiter 24, one end of which is provided with a first anti-rotation structure 240; the fixed seat 10 also includes a second cantilever 12 spaced apart from the first cantilever 11, the first cantilever 11 and the second cantilever 12 are arranged on the same side of the seat body 14, and the second cantilever 12 is provided with a second anti-rotation structure 120; the anti-rotation limiter 24 is arranged on the side of the adjustment frame 21 away from the self-locking gasket 22, the fastener 23 also passes through the anti-rotation limiter 24, and the first anti-rotation structure 240 cooperates with the second anti-rotation structure 120, so that the angle of the adjustment frame 21 remains unchanged after the fastener 23 is tightened.

[0042] The anti-rotation limiter 24 has a through hole, and the fastener 23 passes through the through hole of the anti-rotation limiter 24, and the first anti-rotation structure 240 cooperates with the second anti-rotation structure 120 to prevent the fastener 23 and the adjustment frame 21 thereon from rotating around the axis of the fastener 23 after the fastener 23 is tightened, so that the angle of the adjustment frame 21 remains unchanged after the fastener 23 is tightened.

[0043] Among them, the anti-rotation limiter 24 and the second cantilever 12 are independent of each other, and the cooperation between the first anti-rotation structure 240 and the second anti-rotation structure 120 has a limitation on the direction around the axis, but has no limiting effect on the direction parallel to the axis, so that during the tightening process, the anti-rotation limiter 24 can move with the fastener 23 in the direction parallel to the axis, so that when tightening, there is relatively no need to overcome the structural elasticity of the second cantilever 12, and the tightening torque can be fully applied to the adjustment frame 21, thereby reducing the tightening torque requirement, making the installation and adjustment of the adjustable angle bracket 100 for the handheld welding gun wire feeding mechanism more convenient, and further eliminating the problem of inaccurate angle adjustment caused by the friction of the head of the fastener 23 driving the adjustment frame 21 to rotate during tightening.

[0044] The first anti-rotation structure 240 is one of a groove and a protrusion, and the second anti-rotation structure 120 is the other of the groove and the protrusion, with the protrusion inserted into the groove.

[0045] For example, the first anti-rotation structure 240 is a protrusion, and the second anti-rotation structure 120 is a groove. The size of the groove in the direction parallel to the axial direction of the through hole 210 is larger than the size of the protrusion in the same direction, thereby allowing the protrusion to move in the groove in this direction. Of course, the movement here will not cause the protrusion to disengage from the groove and cause the anti-rotation function to fail.

[0046] In this embodiment, the groove is set to penetrate in a direction parallel to the axial direction of the through hole 210, so that the difficulty of making the groove is further reduced, making it extremely convenient for it to cooperate with the protrusion and be adjusted in a direction parallel to the axial direction of the through hole 210.

[0047] Furthermore, the anti-rotation limiter 24 is provided with anti-loosening lines on one side facing the adjustment frame 21 . The anti-loosening lines can increase the anti-torsion performance between the anti-rotation limiter 24 and the adjustment frame 21 , thereby further enhancing the ability to prevent the adjustment frame 21 from rotating.

[0048] See Figures 1 to 3 ,in Figure 3 is a schematic structural diagram of an embodiment of a welding device provided by the present application. Based on this, the present application further provides a handheld welding device 200, which includes a welding gun 201, a wire feeder 202, and the aforementioned adjustable angle bracket 100 for the handheld welding gun wire feeder, wherein the fixing base 10 is fixed to the welding gun 201, and the wire feeder 202 is installed on the adjustment bracket 21.

[0049] Optionally, the wire feeding mechanism 202 can reciprocate along the axial direction of the through hole to adjust the distance between the wire feeding mechanism and the welding gun.

[0050] By applying the adjustable angle bracket 100 for the wire feeding mechanism of a handheld welding gun to the handheld welding device 200, the adjustable angle bracket 100 for the wire feeding mechanism of a handheld welding gun can increase the pre-tightening force of the fastener 23 when the adjustment frame 21 has a tendency to rotate due to force caused by vibration or collision, thereby preventing the adjustment frame 21 from rotating. This can eliminate the situation in which the pre-tightening force of the locking mechanism disappears due to collision of the adjustment frame 21 during the use of a conventional angle adjustment bracket, thereby causing the bracket to shake at a different angle. In addition, the anti-rotation limiter 24 and the second cantilever 12 are independent, so that the adjustment frame 21 can be tightened when the adjustment frame 21 is tightened. There is no need to overcome the structural elasticity of the second cantilever 12, so that the tightening torque can be fully applied to the adjustment frame 21, reducing the requirements for the tightening torque, making the installation and adjustment of the adjustable angle bracket 100 for the handheld welding gun wire feeding mechanism more convenient, and further eliminating the problem of inaccurate angle adjustment caused by the friction of the head of the fastener 23 driving the adjustment frame 21 to rotate during tightening. As a result, the adjustable angle bracket 100 for the handheld welding gun wire feeding mechanism can always be maintained at the optimal angle during use, avoiding changes in the posture of the wire feeding mechanism 202, and improving the efficiency and quality stability of the welding equipment 200.

[0051] The above description is merely an embodiment of the present application and does not limit the patent scope of the present application. Any equivalent structure or equivalent process transformation made using the contents of the present application specification and drawings, or directly or indirectly applied in other related technical fields, are also included in the patent protection scope of the present application.

Claims

1. An adjustable angle bracket for a handheld welding gun wire feeding mechanism, characterized in that: include: The fixing seat comprises a first cantilever, wherein the first cantilever is provided with a screw hole; An adjustable component, comprising an adjustment frame, a self-locking washer and a fastener, wherein the adjustment frame is provided with a through hole, the self-locking washer is arranged between the adjustment frame and the first cantilever, and the fastener passes through the through hole and the self-locking washer and is connected to the screw hole; When the fastener is in a loose state, the adjustment frame can rotate relative to the fixing seat to adjust the angle of the adjustment frame relative to the fixing seat; when the fastener is in a tightened state, the two side surfaces of the fastener are tightly fitted with the adjustment frame and the self-locking washer, fastening the adjustment frame and the self-locking washer to the first cantilever.

2. The adjustable angle bracket for a handheld welding gun wire feeder according to claim 1, characterized in that: The adjustable component includes an anti-rotation limiter, and one end of the anti-rotation limiter is provided with a first anti-rotation structure; The fixing seat includes a second cantilever spaced apart from the first cantilever, and the second cantilever is provided with a second anti-rotation structure; The anti-rotation limiter is arranged on a side of the adjustment frame away from the self-locking gasket, the fastener passes through the anti-rotation limiter, and the first anti-rotation structure cooperates with the second anti-rotation structure, so that the angle of the adjustment frame remains unchanged after the fastener is tightened.

3. The adjustable angle bracket for a handheld welding gun wire feeder according to claim 2, characterized in that: The first anti-rotation structure is one of a groove and a protrusion, and the second anti-rotation structure is the other of the groove and the protrusion, and the protrusion is inserted into the groove.

4. The adjustable angle bracket for a handheld welding gun wire feeder according to claim 3, characterized in that: The groove is arranged to penetrate in a direction parallel to the axial direction of the through hole.

5. The adjustable angle bracket for a handheld welding gun wire feeder according to claim 2, characterized in that: The anti-rotation limiting component is provided with anti-loosening lines on one side facing the adjustment frame.

6. The adjustable angle bracket for a handheld welding gun wire feeder according to claim 2, characterized in that: The fixing seat further comprises a seat body, the first cantilever and the second cantilever are arranged on the same side of the seat body, and the seat body is provided with a plurality of waist holes.

7. The adjustable angle bracket for a handheld welding gun wire feeder according to claim 1, characterized in that: The self-locking gasket is a double-stacked self-locking gasket.

8. The adjustable angle bracket for a handheld welding gun wire feeder according to claim 1, characterized in that: The fastener is a three-combination screw.

9. The adjustable angle bracket for a handheld welding gun wire feeder according to claim 1, characterized in that: The first cantilever is provided with a preset hole, a rivet nut is pressed into the preset hole, the rivet nut has the screw hole, and the rivet nut and the preset hole form a recessed groove for installing the self-locking gasket.

10. A handheld welding device, characterized in that: The handheld welding equipment includes a welding gun, a wire feeding mechanism and an adjustable angle bracket for the handheld welding gun wire feeding mechanism according to any one of claims 1 to 9, the fixing seat is fixedly connected to the head of the welding gun, and the wire feeding mechanism is installed on the adjustment bracket.

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