Assembly structure of automatic welding wire feeder

Abstract

The utility model discloses an assembling structure of an automatic welding wire feeder, which comprises a mounting support plate with a rectangular structure, a first bending part is arranged in the middle of the mounting support plate in a front-back manner, the first bending part is vertically bent in a misalignment manner, a mounting part is arranged below the right side of the first bending part, and a bearing part is arranged above the left side of the first bending part. The mounting part, the first bending part and the bearing part are of a single-stage step structure, a supporting plate and an anti-dragging plate are perpendicularly connected to the lower portion of the bearing part, the supporting plate is arranged on the front side of the anti-dragging plate, a positioning groove is formed in the right side of the supporting plate, a through hole is formed in the anti-dragging plate, a plurality of first mounting holes are formed in the mounting part, and a plurality of second mounting holes are formed in the bearing part. The centering device has the advantages that the centering requirement of the wire guide opening of the wire feeder and the hollow shaft through hole of the hollow shaft arm can be met only by finely adjusting the height of the first bending part, the assembling efficiency and manufacturing convenience of the wire feeder and the hollow shaft arm are improved, and the centering device can adapt to different types of wire feeders and hollow shaft robots.

Description

Technical Field

[0001] The utility model relates to the technical field of welding equipment, in particular to an assembly structure of an automatic welding wire feeder. Background Art

[0002] In modern welding practice, robots are increasingly used for automatic welding, and the types of robot brands put into industrial applications are also increasing. Due to the limited space of the robot's shaft arm, the fixed assembly of the wire feeder needs to be carefully designed to ensure the stability of the conventional wire feeding process, the convenient mobility of the wire feeder, and the safety of the welding connection assembly against dragging. Especially for welding applications using hollow shaft arm robots, robots of different brands and specifications have different dimensional parameters such as shaft arm through holes, or the parameters of the wire feeder used have changed, so it is also necessary to take into account the convenience of aligning the wire guide port of the wire feeder with the hollow shaft arm of the robot.

[0003] In addition, the existing wire feeder fixed structures are basically individually designed and manufactured according to the parameters of the specific models of the robot and wire feeder. Therefore, there is still a need and room for improvement in aspects such as reducing the number of structural parts and maximizing the universality to many different types of robots, so as to minimize the complexity of structural design and fixing parts manufacturing. Utility Model Content

[0004] The purpose of the utility model is to provide an assembly structure of an automatic welding wire feeder to solve the problems raised in the above background technology.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: an assembly structure of an automatic welding wire feeder, comprising a mounting tray of a rectangular structure, a first bending portion arranged front and rear is provided in the middle of the mounting tray, the first bending portion is a staggered vertical bend, the lower right side of the first bending portion is a mounting portion, the upper left side of the first bending portion is a bearing portion, the mounting portion, the first bending portion and the bearing portion are in a single-step structure, a support plate and an anti-drag plate are vertically connected below the bearing portion, the support plate is arranged on the front side of the anti-drag plate, a positioning groove is provided on the right side of the support plate, a through hole is provided on the anti-drag plate, a plurality of first mounting holes are provided on the mounting portion, and a plurality of second mounting holes are provided on the bearing portion.

[0006] Further preferably, the second mounting holes are rectangular waist holes arranged on the left and right sides and there are four of them, and the four second mounting holes are arranged in a rectangular array to facilitate the adjustment of the installation position of the wire feeder.

[0007] Further preferably, the first mounting hole is a circular hole, and a plurality of the first mounting holes are arranged in pairs and side by side left and right, so as to facilitate the adjustment of the position of the mounting part relative to the hollow shaft arm.

[0008] Further preferably, the mounting portion is provided with a second bending portion bent upward on both the front and rear sides, and the bearing portion is provided with a third bending portion bent downward on both the front and rear sides, and the structural strength of the mounting plate can be enhanced by the second bending portion and the third bending portion.

[0009] Further preferably, the support plate is arranged on the left and right, and includes a support body, a fourth bending portion and a fifth bending portion, the fourth bending portion is arranged at the right end of the support body and bends forward, the fifth bending portion is arranged at the upper end of the support body and bends backward, the support plate is used to support the load-bearing portion, the fourth bending portion is used to connect with the hollow shaft arm, and the fifth bending portion is used to connect with the load-bearing portion; the positioning groove is arranged on the fourth bending portion, and the positioning groove cooperates with the limiting column on the hollow shaft arm to realize the lateral positioning of the support plate installation; the fifth bending portion is provided with a sixth mounting hole connected to the load-bearing portion, and the sixth mounting hole is adapted to the third mounting hole on the load-bearing portion, so as to facilitate the bolts to fix the support plate under the load-bearing portion.

[0010] Further preferably, two fifth mounting holes are provided on the fourth bending portion, and the two fifth mounting holes are respectively arranged on the upper and lower sides of the positioning groove, and the fifth mounting holes are rectangular waist holes arranged upper and lower, so that after the size parameters of the first mounting plane of the first bending portion or the hollow shaft arm change, the fifth mounting hole can adapt to the third threaded hole on the hollow shaft arm without redesigning the support plate.

[0011] Further preferably, the anti-drag plate includes an anti-drag body, a sixth bending portion and a seventh bending portion, the plane of the anti-drag body is vertically perpendicular to the plane of the bearing portion, and the plane of the anti-drag body is arranged at an acute angle to the plane of the bearing portion in the transverse direction, so as to ensure that the welding gun connection assembly inserted into the through hole will be restricted by the hole wall of the through hole when dragged in any other direction, thereby realizing the anti-drag function; the sixth bending portion is arranged at the upper end of the anti-drag body, and the sixth bending portion is provided with a seventh mounting hole for connecting the bearing portion, and the two seventh bending portions are symmetrically arranged on both sides of the transverse direction of the anti-drag body. The sixth bending portion and the seventh bending portion can strengthen the structural strength of the anti-drag body, and the sixth bending portion is used for connection with the bearing portion, and is adapted to be connected with the fourth mounting hole on the bearing portion through the seventh mounting hole.

[0012] Further preferably, the through hole is arranged on the anti-drag body, and the through hole is a lantern-shaped hole, which is convenient for the welding gun cable assembly to pass through the through hole, and the dragging of the welding gun cable assembly in any other direction will be restricted by the hole wall of the through hole, avoiding damage to the welding gun cable assembly or the interface between the welding gun cable assembly and the wire feeder due to excessive pulling.

[0013] Beneficial effects: The assembly structure of the automatic welding wire feeder disclosed by the utility model realizes the support of the wire feeder and the connection with the hollow shaft arm through the installation support plate, and the support for the installation support plate can be strengthened by the support plate, thereby ensuring the stable installation of the wire feeder and facilitating the replacement of welding parts; the anti-drag fixation of the welding gun connection assembly is realized by the anti-drag plate, which can avoid damage to the welding gun connection assembly or the welding gun connection assembly interface on the wire feeder due to excessive pulling; the installation, connection and anti-drag of the wire feeder and the welding gun assembly are integrated into one, which simplifies the connection and assembly structure of the wire feeder and the hollow shaft arm; when the height dimension of the wire guide port of the wire feeder and the hollow shaft through hole of the hollow shaft arm changes, it is only necessary to fine-tune the height of the misaligned first bending part of the installation support plate to meet the centering requirement of the wire guide port of the wire feeder and the hollow shaft through hole of the hollow shaft arm, thereby improving the assembly efficiency and manufacturing convenience of the wire feeder and the hollow shaft arm, and can be adapted to different types of wire feeders and hollow shaft robots; the assembly structure has few structural components and a simple structure. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a schematic diagram of the axial structure from a bottom perspective of the assembly structure of the automatic welding wire feeder disclosed in the embodiment of the utility model;

[0015] Figure 2 It is a schematic diagram of the axial structure from a top view of the assembly structure of the automatic welding wire feeder disclosed in the embodiment of the utility model;

[0016] Figure 3 It is a schematic diagram of the main structure of the assembly structure of the automatic welding wire feeder disclosed in the embodiment of the utility model;

[0017] Figure 4 It is a schematic diagram of the top view of the mounting plate disclosed in the embodiment of the utility model;

[0018] Figure 5 This is a schematic diagram of the main structure of the mounting bracket disclosed in the embodiment of the utility model;

[0019] Figure 6 This is a schematic diagram of the axial structure of the wire feeder disclosed in the embodiment of the utility model;

[0020] Figure 7 This is a schematic diagram of the shaft side structure of the hollow shaft arm disclosed in the embodiment of the utility model;

[0021] Figure 8 This is a schematic diagram of the connection between the assembly structure of the automatic welding wire feeder disclosed in the embodiment of the utility model and the wire feeder and the hollow shaft arm.

[0022] Figure numerals: 1-mounting plate, 11-mounting portion, 111-first mounting hole, 12-bearing portion, 121-second mounting hole, 122-third mounting hole, 123-fourth mounting hole, 13-first bending portion, 14-second bending portion, 15-third bending portion, 2-support plate, 21-support body, 22-fourth bending portion, 221-fifth mounting hole, 222-positioning groove, 23-fifth bending portion, 2 31-sixth mounting hole, 3-anti-drag plate, 31-anti-drag body, 311-through hole, 32-sixth bending portion, 321-seventh mounting hole, 33-seventh bending portion, 4-wire feeder, 41-wire guide port, 42-first threaded hole, 5-hollow shaft arm, 51-hollow shaft through hole, 52-first mounting plane, 521-second threaded hole, 53-second mounting plane, 531-third threaded hole, 54-limiting column. DETAILED DESCRIPTION

[0023] The following are specific embodiments of the present invention and the accompanying drawings to further describe the technical solution of the present invention, but the present invention is not limited to these embodiments.

[0024] like Figure 1-8As shown, an assembly structure of an automatic welding wire feeder is used for connecting a wire feeder 4 and a hollow shaft arm 5. The assembly structure includes a mounting bracket 1 of a rectangular structure, a first bending portion 13 arranged front and back is provided in the middle of the mounting bracket 1, the first bending portion 13 is a staggered vertical bend, a mounting portion 11 is provided below the right side of the first bending portion 13, a bearing portion 12 is provided above the left side of the first bending portion 13, the mounting portion 11, the first bending portion 13 and the bearing portion 12 are in a single-step structure, a support plate 2 and an anti-drag plate 3 are vertically connected below the bearing portion 12, and the support plate 2 is provided in front of the anti-drag plate 3. Among them, the mounting portion 11 is used for connection with the hollow shaft arm 5, the bearing portion 12 is used for installation of the wire feeder 4, the support plate 2 is installed on the left side of the hollow shaft arm 5, and is used to support the mounting support plate 1, thereby providing the maximum support force for the wire feeder 4; the anti-drag plate 3 is used to prevent the welding gun connection assembly of the wire feeder 4 from dragging, thereby protecting the connection between the welding gun connection assembly and the wire feeder 4, and improving the service life of the wire feeder 4. A positioning groove 222 is provided on the right side of the support plate 2, which is used to cooperate with the limiting column 54 on the hollow shaft arm 5 to achieve the lateral centering positioning of the mounting support plate 1 and the hollow shaft arm 5, thereby achieving the centering positioning of the wire feeder 4 and the hollow shaft arm 5. A through hole 311 is provided on the anti-drag plate 3, which is used for the penetration of the welding gun connection assembly to achieve drag restriction on the welding gun connection assembly. The mounting portion 11 is provided with a plurality of first mounting holes 111, through which the mounting portion 11 and the hollow shaft arm 5 are connected and fixed, and the plurality of first mounting holes 111 facilitate the position adjustment of the mounting portion 11, thereby achieving the position adjustment of the mounting support plate 1. The bearing portion 12 is provided with a plurality of second mounting holes 121, which are used for the installation of the wire feeder 4. At the same time, the second mounting holes 121 are rectangular waist holes arranged on the left and right, and the number is four. The four second mounting holes 121 are arranged in a rectangular array, which is convenient for the left and right position adjustment of the wire feeder 4. The wire feeder 4 can be fixed to the bearing portion 12 of the mounting support plate 1 by passing the bolts through the second mounting holes 121 and screwing them with the first threaded holes 42 at the bottom of the wire feeder 4.

[0025] In the present application, the first mounting hole 111 is a circular hole, and the first mounting hole 111 cooperates with the second threaded hole 521 on the first mounting plane 52 of the hollow shaft arm 5. By passing the bolt through the first mounting hole 111 and screwing it with the second threaded hole 521, the mounting part 11 of the mounting support plate 1 can be connected to the first mounting plane 52 of the hollow shaft arm 5. The multiple first mounting holes 111 are arranged in pairs and side by side on the left and right. Each pair of first mounting holes 111 can be matched with the two second threaded holes 521 on the first mounting plane 52. Multiple pairs of first mounting holes 111 can realize the adjustment of the installation position of the mounting part 11.

[0026] In the present application, the front and rear sides of the mounting portion 11 are provided with a second bending portion 14 bent upward, which can enhance the structural strength of the mounting portion 11; the front and rear sides of the bearing portion 12 are provided with a third bending portion 15 bent downward, which can enhance the structural strength of the bearing portion 12. At the same time, the second bending portion 14 and the bearing portion 12 can change the front and rear sides of the mounting bracket 1 from straight edges to curved edges, which can achieve an anti-scratch effect.

[0027] In the present application, the support plate 2 is arranged on the left and right sides, and includes a support body 21, a fourth bending portion 22 and a fifth bending portion 23. The fourth bending portion 22 is arranged at the right end of the support body 21 and bends forward, and the fifth bending portion 23 is arranged at the upper end of the support body 21 and bends backward. Among them, the support body 21 is an irregular triangular structure, and the fourth bending portion 22 and the fifth bending portion 23 are respectively arranged on two right-angled sides, which can enhance the structural strength of the support body 21; the fourth bending portion 22 is used for connecting the support plate 2 to the hollow shaft arm 5, which is achieved by the two fifth mounting holes 221 provided on the fourth bending portion 22 and the two third threaded holes 531 on the second mounting plane 53 of the hollow shaft arm 5, that is, by passing the bolt through the fifth mounting hole 221 and screwing it with the third threaded hole 531, the support plate 2 can be fixed on the hollow shaft arm 5; the fifth bending portion 23 is used for connecting with the mounting bracket 1, and the support plate 2 can be fixed on the mounting bracket 1 by the sixth mounting hole 231 provided on the fifth bending portion 23 and the third mounting hole 122 on the bearing portion 12. The positioning groove 222 is provided on the fourth bending portion 22, and is used to match the limiting column 54 on the hollow shaft arm 5 to achieve positioning of the support plate 2, and then to achieve the lateral centering positioning of the mounting support plate 1 and the hollow shaft arm 5, that is, to achieve the centering positioning of the wire feeder 4 and the hollow shaft arm 5. The two fifth mounting holes 221 are respectively provided on the upper and lower sides of the positioning groove 222. The fifth mounting hole 221 is a rectangular waist hole provided up and down, which is convenient for adjusting the upper and lower positions of the support plate 2, and is convenient for the fifth mounting hole 221 to still be well adapted to the third threaded hole 531 on the second mounting plane 53 of the hollow shaft arm 3 when the height of the first bending portion 13 or the height of the first mounting plane 52 of the hollow shaft arm 5 changes, that is, to ensure the connection between the support plate 2 and the hollow shaft arm 3.

[0028] In the present application, the anti-drag plate 3 includes an anti-drag body 31, a sixth bending portion 32 and a seventh bending portion 33, wherein the anti-drag body 31 supports and limits the welding gun line assembly of the wire feeder 4, the sixth bending portion 32 is used for connecting the anti-drag body 31 with the mounting bracket 1, and the seventh bending portion 33 is used to strengthen the structural strength of the anti-drag body 1. The plane of the anti-drag body 31 is vertically perpendicular to the plane of the bearing portion 12, and the plane of the anti-drag body 31 is arranged at an acute angle with the plane of the bearing portion 12 in the transverse direction. The acute angle θ is 20°-45°, preferably 25°-35°, to ensure that after the welding gun line assembly penetrates the through hole 311 on the anti-drag body 31, dragging in any other direction will be limited by the hole wall of the through hole 311, avoiding excessive pulling to damage the welding gun line assembly or the interface between the welding gun line assembly and the wire feeder 4, effectively ensuring the safety of welding production, and at the same time improving the service life of the wire feeder 4. The sixth bending portion 32 is arranged at the upper end of the anti-drag body 31 to realize the connection between the anti-drag body 31 and the bearing part 12, that is, the seventh mounting hole 321 on the sixth bending portion 32 is adapted to be connected with the fourth mounting hole 123 on the bearing part 12. The two seventh bending portions 33 are symmetrically arranged on both sides of the anti-drag body 31 in the lateral direction to improve the overall structural strength of the anti-drag body 31. The through hole 311 is arranged on the anti-drag body 31, and the through hole 311 is a lantern-shaped hole, which is convenient for the penetration, installation and stop limit of the welding gun connection assembly.

[0029] In the present application, the distance between the axis centerline of the hollow shaft through hole 51 of the hollow shaft arm 5 and the bottom of the mounting portion 11 is equal to the distance between the axis centerline of the wire guide port 41 of the wire feeder 4 and the upper portion of the bearing portion 12 plus the thickness dimension t of the two mounting support plates 1 and the height dimension h of the first bending portion 13. When the position or size parameters of the hollow shaft arm 5 and / or the wire guide port 41 of the wire feeder 4 change, the concentricity of the wire guide port 41 of the wire feeder 4 and the hollow shaft through hole 51 of the hollow shaft arm 5 will be offset, thereby exceeding the range required by the wire feeding process. At this time, it is only necessary to adjust the height of the first bending portion 13 of the mounting support plate 1 to achieve the concentricity of the wire guide port 41 of the wire feeder 4 and the hollow shaft through hole 51 of the hollow shaft arm 5.

[0030] Finally, it should be noted that the above description is only a preferred embodiment of the utility model and is not intended to limit the utility model. Although the utility model is described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions recorded in the aforementioned embodiments or replace some of the technical features therein by equivalents. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the utility model shall be included in the utility model content within the protection scope of the utility model.

Claims

1. An assembly structure of an automatic welding wire feeder, characterized in that: The invention comprises a mounting support plate (1) of a rectangular structure, wherein a first bending portion (13) arranged front and rear is provided in the middle of the mounting support plate (1), the first bending portion (13) is a staggered vertical bending, the lower right side of the first bending portion (13) is a mounting portion (11), the upper left side of the first bending portion (13) is a bearing portion (12), the mounting portion (11), the first bending portion (13) and the bearing portion (12) are in a single-step structure, a support plate (2) and an anti-drag plate (3) are vertically connected below the bearing portion (12), the support plate (2) is arranged on the front side of the anti-drag plate (3), a positioning groove (222) is provided on the right side of the support plate (2), a through hole (311) is provided on the anti-drag plate (3), a plurality of first mounting holes (111) are provided on the mounting portion (11), and a plurality of second mounting holes (121) are provided on the bearing portion (12).

2. The assembly structure of an automatic welding wire feeder according to claim 1, characterized in that: The second mounting holes (121) are rectangular waist holes arranged on the left and right sides, and there are four of them. The four second mounting holes (121) are arranged in a rectangular array.

3. The assembly structure of an automatic welding wire feeder according to claim 1, characterized in that: The first mounting holes (111) are circular holes, and a plurality of the first mounting holes (111) are arranged in pairs and side by side on the left and right sides.

4. The assembly structure of an automatic welding wire feeder according to claim 1, characterized in that: The front and rear sides of the mounting portion (11) are both provided with a second bending portion (14) that is bent upward, and the front and rear sides of the bearing portion (12) are both provided with a third bending portion (15) that is bent downward.

5. The assembly structure of an automatic welding wire feeder according to claim 1, characterized in that: The support plate (2) is arranged on the left and right sides, and comprises a support body (21), a fourth bending portion (22) and a fifth bending portion (23); the fourth bending portion (22) is arranged at the right end of the support body (21) and is bent forward; the fifth bending portion (23) is arranged at the upper end of the support body (21) and is bent backward; the positioning groove (222) is arranged on the fourth bending portion (22); and the fifth bending portion (23) is provided with a sixth mounting hole (231) connected to the bearing portion (12).

6. The assembly structure of an automatic welding wire feeder according to claim 5, characterized in that: The fourth bending portion (22) is provided with two fifth mounting holes (221), the two fifth mounting holes (221) are respectively arranged on the upper and lower sides of the positioning groove (222), and the fifth mounting holes (221) are rectangular waist holes arranged upper and lower.

7. The assembly structure of an automatic welding wire feeder according to claim 1, characterized in that: The anti-drag plate (3) comprises an anti-drag body (31), a sixth bent portion (32) and a seventh bent portion (33); the plane of the anti-drag body (31) is longitudinally perpendicular to the plane of the bearing portion (12); the plane of the anti-drag body (31) is arranged at an acute angle to the plane of the bearing portion (12) in a transverse direction; the sixth bent portion (32) is arranged at the upper end of the anti-drag body (31); the sixth bent portion (32) is provided with a seventh mounting hole (321) for connecting to the bearing portion (12); and the two seventh bent portions (33) are symmetrically arranged on both sides of the anti-drag body (31) in a transverse direction.

8. The assembly structure of an automatic welding wire feeder according to claim 7, characterized in that: The through hole (311) is arranged on the anti-drag body (31), and the through hole (311) is a lantern-shaped hole.

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