Positioning welding jig

Abstract

The utility model relates to the technical field of welding positioning, in particular to a positioning welding jig. Comprising a base plate and a positioning beam, a positioning assembly and a positioning block are arranged on the base plate in the X direction and the Y direction respectively, a plate material comprises a connecting piece and a pair of vertical plates, and the connecting piece is arranged between the pair of vertical plates; a workpiece is positioned in the Y direction through the positioning block arranged on the positioning welding jig, the workpiece is positioned in the X direction through the positioning assembly, the movable adjusting assembly and the positioning beam, the pair of vertical plates and the connecting piece are kept perpendicular, then the connecting piece and the pair of vertical plates are welded, and machining of the needed workpiece is completed.

Description

Technical Field

[0001] The utility model relates to the technical field of welding positioning, and particularly relates to a positioning welding jig. Background Art

[0002] Welding is a common processing method. In the existing production practice, processing enterprises cut and form raw materials, and then weld and assemble the preliminarily formed raw materials in sequence according to the given external dimensions. During the welding process, parameters such as the connection relationship, welding position, and welding angle of two welded parts need to be controlled in real time. In the existing welding method, during each welding process, parameters such as the connection relationship, welding position, and welding angle between the welded parts need to be controlled. When it is necessary to mass-produce products of the same size and shape, the above steps need to be repeated many times, the production steps are cumbersome, the labor force of operators is strong, and the production efficiency is low.

[0003] Currently, in the actual production process, the workpiece corresponding to this application is as Figure 1 shown, including: a connecting piece 4 and a pair of vertical plates 5. The connecting piece 4 is arranged between the pair of vertical plates 5. The connecting piece 4 is used to connect the pair of vertical plates 5. Mounting holes 50 are provided on the pair of vertical plates 5. Two ends of the connecting piece 4 are respectively arranged in the corresponding mounting holes 50. For the above workpiece, after the sheet materials are assembled, each connection point is welded to obtain the required workpiece. However, during the welding process, it is difficult for the pair of vertical plates 5 to be perpendicular to the connecting piece 4. Therefore, a positioning welding jig is needed to facilitate positioning the pair of vertical plates 5 and the connecting piece 4 before welding and ensure the perpendicularity of the pair of vertical plates 5 relative to the connecting piece 4. Summary of the Utility Model

[0004] To overcome the deficiencies of the above-mentioned prior art, the utility model provides a positioning welding jig, which solves the technical problem that it is difficult for a pair of vertical plates to be perpendicular to a connecting piece during the welding process.

[0005] To achieve the above purpose, the utility model is realized through the following technical solutions:

[0006] A positioning welding jig is used for positioning the assembled sheet materials before welding, and includes: a base plate and a positioning beam. Positioning components and positioning blocks are respectively arranged on the base plate in the X and Y directions. The sheet materials include: a connecting piece and a pair of vertical plates. The connecting piece is arranged between the pair of vertical plates. Mounting holes are provided on the pair of vertical plates. Two ends of the connecting piece are respectively arranged in the corresponding mounting holes.

[0007] The ends of the pair of vertical plates in the Y direction abut against the positioning blocks, and the positioning assembly comprises: a first positioning block and a positioning support frame, the first positioning block is arranged between the pair of vertical plates, and the end faces of the first positioning block on both sides in the X direction respectively abut against the inner side faces of the pair of vertical plates, and the positioning support frame comprises: a fixed frame and a movable frame, the fixed frame and the movable frame are respectively arranged on the outer sides of the pair of vertical plates, the fixed frame is in contact with the outer side faces of the corresponding pair of vertical plates in the X direction, and the movable frame is provided with a movable adjustment assembly, the movable adjustment assembly is used to push the corresponding pair of vertical plates in the X direction to position and adjust the pair of vertical plates on one side of the movable adjustment assembly, the positioning beam is installed on one end of the pair of vertical plates away from the base plate, and a pair of notches are provided on the positioning beam, the spacing of the pair of notches is equal to the preset spacing of the pair of vertical plates, and the pair of notches are used to accommodate the side edges of the pair of vertical plates.

[0008] Based on the above structure, the principle of the positioning welding jig is as follows: first, the two ends of the connecting piece are respectively placed in the mounting holes, the connecting piece is used to connect a pair of vertical plates, and then it is placed in the jig. In the Y direction, the ends of the pair of vertical plates are abutted against the positioning blocks to position the sheet material in the Y direction. In the X direction, the first positioning block and the fixed frame position the bottom of the pair of vertical plates in the X direction, and then the positioning beam is placed on the upper ends of the pair of vertical plates, and the side surfaces of the ends of the pair of vertical plates away from the base plate are respectively inserted into the relative grooves to position the upper ends of the pair of vertical plates, and then the adjustable abutment assembly is adjusted to fit the corresponding vertical plates in the X direction to position and adjust the vertical plates near the side of the adjustable abutment assembly, and finally the connection position between the pair of vertical plates and the connecting piece is welded.

[0009] Furthermore, in a positioning welding jig in the present application, the first positioning block includes: a beam body, a pair of blocks, the beam body and the positioning block are spaced apart and extend in the X direction, and the pair of blocks are spaced apart at the upper end of the positioning block. As a preferred embodiment of the present application, the beam body and the pair of blocks in a positioning welding jig in the present application position a pair of vertical plates in the X direction, and the pair of blocks are designed separately in order to reduce the manufacturing cost of the jig and improve its economy.

[0010] Furthermore, in a positioning welding jig in the present application, the positioning assembly further includes: a second positioning block, the second positioning block is arranged on the same side as the movable frame, and the end face of the second positioning block in the X direction is in contact with the outer side face of a pair of vertical plates. As a preferred embodiment of the present application, the second positioning block in a positioning welding jig in the present application cooperates with the first positioning block to position a pair of vertical plates close to one side of the movable frame in the X direction.

[0011] Further, in a positioning and welding jig in the present application, the moving and adjusting assembly includes: a screw and a lining plate. The screw is threadedly connected to the moving frame, and the lining plate is arranged at the front end of the screw near one side of a pair of vertical plates. As a preferred solution of the present application, the lining plate in a positioning and welding jig of the present application is used to protect the outer sides of a pair of vertical plates and prevent damage to the outer sides of the pair of vertical plates during the positioning and adjustment of the moving and adjusting assembly to the pair of vertical plates.

[0012] Further, in a positioning and welding jig in the present application, a set of adjusting holes are provided on the moving frame, and the adjusting holes are evenly arranged along the extending direction of the moving frame. As a preferred solution of the present application, the adjusting holes in a positioning and welding jig of the present application are used for the screw to be screwed in, corresponding to different positions on the lining plate, so as to achieve a slight adjustment of a pair of vertical plates near one side of the moving frame, and make the lining plate better fit with the outer sides of the pair of vertical plates near one side of the moving frame.

[0013] Further, in a positioning and welding jig in the present application, the connecting member includes a first connecting member, the mounting hole includes a first mounting hole, convex portions are respectively extended and provided at both end portions of the first connecting member, the first mounting hole is used for accommodating the convex portions, a limiting surface is provided at the root of the convex portion, and the limiting surface is used for limiting between a pair of vertical plates. As a preferred solution of the present application, in a positioning and welding jig of the present application, after the moving and adjusting assembly is adjusted so that the side surface of the support plate fits with the outer sides of a pair of vertical plates near one side of the moving frame, the limiting surface fits with the inner sides of the corresponding pair of vertical plates. At this time, the moving and adjusting assembly cannot be adjusted further, and the support plate cannot move towards the direction close to the pair of vertical plates, thus completing the limiting between the pair of vertical plates. The first connecting member is both a part for installation and a limiting member between a pair of vertical plates.

[0014] Further, in a positioning and welding jig in the present application, the connecting member further includes a second connecting member, the mounting hole further includes a second mounting hole, and both ends of the second connecting member are respectively arranged in the corresponding second mounting holes. As a preferred solution of the present application, the second mounting hole in a positioning and welding jig of the present application is used for installing the second connecting member and positioning the second connecting member between a pair of vertical plates.

[0015] Further, in a positioning and welding jig in the present application, the positioning block extends in the X direction, and a set of support plates are arranged in an array along the X direction on the bottom surface of the base plate. The setting direction of each support plate is perpendicular to the extending directions of the beam body and the positioning block. As a preferred solution of the present application, the support plates in a positioning and welding jig of the present application cooperate with the beam body and the positioning block to enhance the ability of the base plate to resist deformation, prevent the positioning jig from deforming during use, and extend the service life of the positioning jig.

[0016] As can be seen from the above technical solutions, the present utility model has the following beneficial effects:

[0017] The present utility model provides a positioning and welding jig. The workpiece is positioned in the Y direction by the positioning blocks arranged on the positioning and welding jig, and is positioned in the X direction by the positioning assembly, the moving and adjusting assembly and the positioning beam, so that a pair of vertical plates and the connecting piece are kept perpendicular. Then, the connecting piece and the pair of vertical plates are welded to complete the processing of the required workpiece. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 It is a three-dimensional structural schematic diagram of a sheet metal corresponding to a positioning and welding jig in an embodiment of the present application;

[0019] Figure 2 It is a three-dimensional structural schematic diagram of a positioning and welding jig in an embodiment of the present application;

[0020] Figure 3 It is a schematic diagram of a positioning and welding jig placing a sheet metal in an embodiment of the present application;

[0021] Figure 4 It is a three-dimensional structural schematic diagram of a first connecting piece in an embodiment of the present application;

[0022] Figure 5 It is a three-dimensional structural schematic diagram of a positioning beam in an embodiment of the present application.

[0023] In the figure: 1 - base plate; 2 - positioning assembly; 21 - first positioning block; 211 - beam body; 212 - block body; 22 - second positioning block; 23 - positioning support frame; 231 - fixed frame; 232 - movable frame; 2320 - adjustment hole; 3 - positioning block; 4 - connecting piece; 41 - first connecting piece; 411 - convex part; 412 - limiting surface; 42 - second connecting piece; 5 - vertical plate; 50 - mounting hole; 501 - first mounting hole; 502 - second mounting hole; 6 - moving and adjusting assembly; 61 - screw; 62 - lining plate; 7 - positioning beam; 70 - notch; 8 - support plate. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0024] As Figure 2 、 3 、5 shows, a positioning and welding jig for positioning a assembled sheet metal before welding, includes: a base plate 1, a positioning beam 7. The positioning assembly 2 and the positioning block 3 are respectively arranged on the base plate 1 in the X and Y directions. The sheet metal includes: a connecting piece 4, a pair of vertical plates 5. The connecting piece 4 is arranged between the pair of vertical plates 5. Mounting holes 50 are arranged on the pair of vertical plates 5. The two ends of the connecting piece 4 are respectively arranged in the corresponding mounting holes 50;

[0025] One end of a pair of the vertical plates 5 in the Y direction abuts against the positioning block 3. The positioning assembly 2 includes: a first positioning block 21 and a positioning support frame 23. The first positioning block 21 is arranged between a pair of vertical plates 5. The two end faces of the first positioning block 21 in the X direction respectively abut against the inner sides of a pair of vertical plates 5. The positioning support frame 23 includes: a fixed frame 231 and a movable frame 232. The fixed frame 231 and the movable frame 232 are respectively arranged on the outer sides of a pair of vertical plates 5. The fixed frame 231 is attached to the outer side faces of the corresponding pair of vertical plates 5 in the X direction. The movable frame 232 is provided with a moving adjustment assembly 6. The moving adjustment assembly 6 is used to push the corresponding pair of vertical plates 5 in the X direction to position and adjust a pair of vertical plates 5 near the moving adjustment assembly 6. The positioning beam 7 is installed at one end of a pair of vertical plates 5 away from the base plate 1. The positioning beam 7 is provided with a pair of notches 70. The distance between the pair of notches 70 is equal to the preset distance between a pair of vertical plates 5. The pair of notches 70 are used to accommodate the side edges of a pair of vertical plates 5.

[0026] Based on the above structure, the principle of the positioning and welding jig is as follows: Place the two ends of the connecting piece 4 into the mounting holes 50 respectively. The connecting piece 4 is used to connect a pair of vertical plates 5. Then place it into the jig. In the Y direction, abut the ends of a pair of vertical plates 5 against the positioning block 3 to position the sheet material in the Y direction. In the X direction, the first positioning block 21 and the fixed frame 231 position a pair of vertical plates 5 at the bottom in the X direction. Then place the positioning beam 7 on the upper ends of a pair of vertical plates 5. The side faces of one end of a pair of vertical plates 5 away from the base plate 1 are respectively inserted into the opposite notches 70 to position the upper mouths of a pair of vertical plates 5. After that, adjust the adjustable abutting assembly 6 so that it fits the corresponding vertical plate 5 in the X direction to position and adjust the vertical plate 5 near the adjustable abutting assembly 6. Finally, weld the connection positions between a pair of vertical plates 5 and the connecting piece 4.

[0027] In this embodiment, the first positioning block 21 includes: a beam body 211 and a pair of block bodies 212. The beam body 211 is arranged at an interval from the positioning block 3 and extends in the X direction. The pair of block bodies 212 are arranged at intervals on the upper end of the positioning block 3. The beam body 211 and the pair of block bodies 212 position a pair of vertical plates 5 in the X direction. The split design of the pair of block bodies 212 is to reduce the manufacturing cost of the jig and improve its economy.

[0028] In this embodiment, the positioning assembly 2 further includes: a second positioning block 22. The second positioning block 22 is arranged on the same side as the movable frame 232. The end face of the second positioning block 22 in the X direction abuts against the outer side faces of a pair of vertical plates 5. The second positioning block 22 cooperates with the first positioning block 21 to position a pair of vertical plates 5 near the movable frame 232 in the X direction.

[0029] In this embodiment, the mobile adjustment component 6 includes: a screw 61 and a lining plate 62. The screw 61 is threadedly connected to the movable frame 232, and the lining plate 62 is arranged at the front end of the screw 61 near one side of the pair of vertical plates 5. The lining plate 62 is used to protect the outer side surfaces of the pair of vertical plates 5 and prevent damage to the outer side surfaces of the pair of vertical plates 5 during the positioning and adjustment of the mobile adjustment component 6 to the pair of vertical plates 5.

[0030] In this embodiment, a set of adjustment holes 2320 are provided on the movable frame 232, and the adjustment holes 2320 are evenly arranged along the extending direction of the movable frame 232. The adjustment holes 2320 are used for the screw 61 to be screwed in, corresponding to different positions on the lining plate 62, so as to realize a slight adjustment of the pair of vertical plates 5 near one side of the movable frame 232, and make the lining plate 62 better fit the outer sides of the pair of vertical plates 5 near one side of the movable frame 232. There are 4 adjustment holes 2320 provided on each movable frame 232.

[0031] As Figure 4 shown, in this embodiment, the connecting member 4 includes a first connecting member 41, the mounting hole 50 includes a first mounting hole 501, convex portions 411 are respectively extended and provided at both end portions of the first connecting member 41, the first mounting hole 501 is used to accommodate the convex portions 411, a limiting surface 412 is provided at the root of the convex portions 411, and the limiting surface 412 is used for the limitation between the pair of vertical plates 5. After the mobile adjustment component 6 is adjusted so that the side surface of the support plate 8 fits the outer side surfaces of the pair of vertical plates 5 near one side of the movable frame 232, the limiting surface 412 fits the inner side surfaces of the corresponding pair of vertical plates 5. At this time, the mobile adjustment component 6 cannot be adjusted continuously, and the support plate 8 cannot move towards the direction close to the pair of vertical plates 5, thus completing the limitation between the pair of vertical plates 5. The first connecting member 41 is both a part for installation and a limiter between the pair of vertical plates 5. Two convex portions 411 are respectively extended and provided at both end portions of the first connecting member 41. Correspondingly, there are four first mounting holes 501 adapted to the convex portions 411.

[0032] In this embodiment, the connecting member 4 further includes a second connecting member 42, the mounting hole 50 further includes a second mounting hole 502, and both ends of the second connecting member 42 are respectively arranged in the corresponding second mounting holes 502. The second mounting holes 502 are used for installing the second connecting member 42 and positioning the second connecting member 42 between the pair of vertical plates 5. The number of the second connecting members 42 is 2. Correspondingly, two second mounting holes 502 are respectively provided on the pair of vertical plates 5, and both end portions of the second connecting member 42 are flush with the outer surfaces of the corresponding pair of vertical plates 5.

[0033] In this embodiment, the positioning block 3 is extended in the X direction, and a group of support plates 8 are arranged in an array on the bottom surface of the base plate 1 along the X direction, and the arrangement direction of each support plate 8 is perpendicular to the extension direction of the beam body 211 and the positioning block 3. The support plates 8 cooperate with the beam body 211 and the positioning block 3 to enhance the ability of the base plate 1 to resist deformation, prevent the positioning fixture from deforming during use, and extend the service life of the positioning fixture. A group of support plates 8 includes 5 support plates 8.

[0034] The technical principle of the present invention is described above in combination with specific embodiments. These descriptions are only for explaining the principle of the present invention and cannot be interpreted as limiting the protection scope of the present invention in any way. Based on the explanation here, technicians in this field can think of other specific implementation methods of the present invention without creative work, and these methods will fall within the protection scope of the present invention.

Claims

1. A positioning welding jig, used for positioning assembled sheets before welding, characterized in that: include: A base plate (1) and a positioning beam (7), wherein the base plate (1) is provided with a positioning assembly (2) and a positioning block (3) in the X and Y directions respectively, and the plate material comprises: a connecting member (4) and a pair of vertical plates (5), wherein the connecting member (4) is arranged between the pair of vertical plates (5), and the pair of vertical plates (5) are provided with mounting holes (50), and the two ends of the connecting member (4) are respectively arranged in corresponding mounting holes (50); The ends of the pair of vertical plates (5) in the Y direction abut against the positioning block (3), the positioning assembly (2) comprising: a first positioning block (21) and a positioning support frame (23), the first positioning block (21) being arranged between the pair of vertical plates (5), the end surfaces of both sides of the first positioning block (21) in the X direction respectively abut against the inner side surfaces of the pair of vertical plates (5), the positioning support frame (23) comprising: a fixed frame (231) and a movable frame (232), the fixed frame (231) and the movable frame (232) being respectively arranged on the outer sides of the pair of vertical plates (5), the fixed frame (231) abutting against the inner side surfaces of the pair of vertical plates (5) in the X direction The outer side surfaces of the corresponding pair of vertical plates (5) are fitted together, and the movable frame (232) is provided with a movable adjustment component (6), and the movable adjustment component (6) is used to push the corresponding pair of vertical plates (5) in the X direction to position and adjust the pair of vertical plates (5) on the side close to the movable adjustment component (6). The positioning beam (7) is installed on one end of the pair of vertical plates (5) away from the base plate (1), and the positioning beam (7) is provided with a pair of notches (70), and the spacing between the pair of notches (70) is equal to the preset spacing between the pair of vertical plates (5), and the pair of notches (70) are used to accommodate the side edges of the pair of vertical plates (5).

2. A positioning welding jig according to claim 1, characterized in that: The first positioning block (21) comprises: a beam body (211) and a pair of blocks (212); the beam body (211) is arranged at intervals from the positioning block (3) and extends in the X direction; the pair of blocks (212) are arranged at intervals at the upper end of the positioning block (3).

3. A positioning welding jig according to claim 1, characterized in that: The positioning assembly (2) further comprises: a second positioning block (22), the second positioning block (22) being arranged on the same side as the movable frame (232), the end surface of the second positioning block (22) in the X direction being in contact with the outer side surfaces of a pair of vertical plates (5).

4. A positioning welding jig according to claim 1, characterized in that: The movable adjustment component (6) comprises: a screw (61) and a lining plate (62); the screw (61) is threadedly connected to the movable frame (232); and the lining plate (62) is arranged at the front end of the screw (61) near one side of the pair of vertical plates (5).

5. A positioning welding jig according to claim 3, characterized in that: A group of adjustment holes (2320) are provided on the movable frame (232), and the adjustment holes (2320) are evenly arranged along the extension direction of the movable frame (232).

6. A positioning welding jig according to claim 1, characterized in that: The connecting member (4) comprises a first connecting member (41), the mounting hole (50) comprises a first mounting hole (501), convex portions (411) are respectively extended from both side ends of the first connecting member (41), the first mounting hole (501) is used to accommodate the convex portion (411), and a limiting surface (412) is provided at the root of the convex portion (411), and the limiting surface (412) is used to limit the position between a pair of vertical plates (5).

7. A positioning welding jig according to claim 6, characterized in that: The connecting member (4) further comprises a second connecting member (42), and the mounting hole (50) further comprises a second mounting hole (502), and two ends of the second connecting member (42) are respectively arranged in corresponding second mounting holes (502).

8. The positioning welding jig according to claim 1, characterized in that: The positioning block (3) is extended in the X direction, and a group of support plates (8) are arranged in an array on the bottom surface of the base plate (1) along the X direction, and the arrangement direction of each support plate (8) is perpendicular to the extension direction of the beam body (211) and the positioning block (3).

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