Welding positioning tool for urea box support

Abstract

According to the welding positioning tool for the urea box support, a pull lug positioning assembly used for positioning pull lugs on the two sides of the urea box support is arranged on the front end plate face of the upper end face of a base plate, and a side vertical plate rear positioning assembly used for positioning and fixing the rear ends of two side vertical plates in the urea box support is arranged on the rear end plate face of the upper end face of the base plate; a limiting support positioning assembly is arranged between the pull lug positioning assembly and the side vertical plate rear positioning assembly, the lower end of the limiting support positioning assembly is fixed to the base plate, and the limiting support positioning assembly is used for positioning and supporting a limiting support in the urea box support. A positioning plate set used for conducting adaptive positioning on two side vertical plates and a bottom plate in the urea box support is fixed to the upper end face of the base plate. The welding quality and the welding efficiency of the urea box support are improved, the problems that the welding difficulty of all parts of the urea box support is large and the welding efficiency is low are solved, the positioning precision is high, the supporting stability is good, it is guaranteed that the welding precision of the urea box support is improved, and batch welding machining of the urea box support is facilitated.

Description

Technical Field

[0001] The utility model belongs to the technical field of welding tooling, and in particular relates to a welding positioning tooling for a urea tank bracket. Background Art

[0002] The exhaust gas passes through the post-treatment liquid in the urea tank to further reduce the emission of pollutants, making an important contribution to improving the environment. The urea tank bracket installed for the urea tank used for this post-treatment is particularly important. The urea tank bracket can ensure the normal operation of the urea tank in the post-treatment of the whole vehicle.

[0003] The existing urea tank bracket is welded by irregular plates, such as Figure 2 The urea tank bracket 1 shown is welded by side upright plates 1-1 on both sides, ears 1-4 on the outer walls of the side upright plates 1-1 connecting the bottom plates 1-2 of the two side upright plates 1-1, and a limit bracket 1-3 arranged between the two side upright plates 1-1. Since the structures of various parts are not all on the same plane, if manual measurement and welding are adopted, the labor intensity is high and the welding efficiency is low, and the welding accuracy and welding quality are difficult to guarantee. Therefore, for the welding of the urea tank bracket, it is necessary to design a welding positioning tool to solve the above problems. Utility Model Content

[0004] The technical problem solved by the utility model is as follows: a welding positioning tool for a urea tank bracket is provided, by arranging a pull ear positioning assembly, a positioning plate group, a side upright plate rear positioning assembly and a limit bracket positioning assembly on the seat plate, reliable support conditions are provided for the welding of the pull ear, the side upright plate, the limit bracket and the bottom plate, welding is carried out under the condition of ensuring the reliable and stable position of each part, the welding quality and welding efficiency of the urea tank bracket are improved, the problem of great difficulty and low welding efficiency in improving the welding of various parts of the urea tank bracket is solved, the positioning accuracy is high, the supporting stability is good, the welding accuracy of the urea tank bracket is guaranteed to be improved, it is convenient to improve the batch welding processing of the urea tank bracket, and it has high use value.

[0005] The technical solution adopted by the utility model is as follows: a welding positioning tool for a urea tank bracket, comprising a seat plate, a pull ear positioning assembly for positioning pull ears on both sides of the urea tank bracket is provided on the front upper end plate surface of the seat plate, and a side upright plate rear positioning assembly for positioning and fixing the rear ends of two side upright plates in the urea tank bracket is provided on the rear end plate surface of the upper end surface of the seat plate, a limit bracket positioning assembly is provided between the pull ear positioning assembly and the side upright plate rear positioning assembly, the lower end of which is fixed to the seat plate and used for positioning and supporting the limit bracket in the urea tank bracket, and a positioning plate group for adapting and positioning the two side upright plates and the bottom plate in the urea tank bracket is fixed on the upper end surface of the seat plate.

[0006] Among them, the positioning plate group includes an I-shaped plate fixed laterally on the seat plate and a square plate fixed on the middle part of the upper plate surface of the I-shaped plate, the lower ends of the two side vertical plates are located inside the pull ear positioning assembly, and the inner flanges of the two side vertical plates are respectively located on the two wide side plate surfaces of the I-shaped plate, and the two bottom plates at both ends are used for welding to the bottom surfaces of the inner flanges of the corresponding side vertical plates and are adapted to be positioned in the grooves on the long sides of the I-shaped plate, and the square plate is located between the two side vertical plates and is used to position the two bottom plates.

[0007] Furthermore, the square plate is adapted to fit the inner flanges at the lower ends of the two side vertical plates and the square hole formed by splicing the two bottom plates.

[0008] Furthermore, the rear positioning assembly of the side upright plate includes two rear positioning columns corresponding to the positions of the side upright plates and symmetrically fixed on the rear end plate surface of the upper end surface of the seat plate, and a positioning hole one corresponding to the position of the through hole on the outer flange plate surface at the rear end of the side upright plate is penetrated through the front wall of the upper end of the rear positioning column, and the outer flange is in contact with the front wall of the upper end of the rear positioning column, and the rear end of the side upright plate is positioned and fixed on the rear positioning column by a positioning pin that is plugged into the through hole on the outer flange and the positioning hole one.

[0009] Furthermore, the pull ear positioning assembly includes two front positioning posts corresponding to the pull ear positions on both sides of the urea tank bracket, and a second positioning hole corresponding to the position of the through hole on the outer plate of the pull ear is formed through the front wall of the upper end of the front positioning post, and the inner plate of the pull ear contacts the outer wall of the side vertical plate on the same side, and the pull ear is positioned and fixed on the front positioning post by a positioning pin inserted into the through hole on the outer plate and the second positioning hole, and the I-shaped plate in the positioning plate group is located between the two front positioning posts and contacts the inner wall of the front positioning post.

[0010] Furthermore, the limit bracket positioning assembly includes a cross bar for supporting and positioning the limit bracket and two positioning columns vertically fixed to the seat plate and located between the two side plates, the cross bar is located behind the two positioning columns, and the end of the cross bar is fixedly connected to the positioning columns at the corresponding ends, the lower end face of the limit bracket is located on the cross bar, and the front side wall of the limit bracket rests on the two positioning columns.

[0011] The advantages of this utility model compared with the prior art:

[0012] 1. This technical solution provides reliable support conditions for the welding of the pull ears, side plates, limit brackets and bottom plates by arranging pull ear positioning components, positioning plate groups, side plate rear positioning components and limit bracket positioning components on the seat plate. Welding is performed under the condition that the positions of each part are reliable and stable, thereby improving the welding quality and efficiency of the urea tank bracket.

[0013] 2. This technical solution adopts a positioning plate group consisting of an I-shaped plate and a square plate to achieve reliable positioning of the distance between the two side plates, while providing fast and reliable positioning conditions for the welding position of the bottom plate, ensuring the accuracy of the relative position between the side plates and the bottom plate;

[0014] 3. With the cooperation of the crossbar and the two positioning columns, this technical solution can realize reliable support and positioning of the limit bracket, and can quickly determine the relative position of the limit bracket and the two side plates, thereby improving the welding accuracy;

[0015] 4. This technical solution solves the problem of difficulty in welding the various components of the urea tank bracket and low welding efficiency. It has high positioning accuracy and good support stability, which ensures the improvement of the welding accuracy of the urea tank bracket, facilitates the batch welding processing of the urea tank bracket, and has high use value. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 This is a schematic diagram of the structure of the utility model;

[0017] Figure 2 It is a structural schematic diagram of the urea tank bracket. DETAILED DESCRIPTION

[0018] The following will be combined with the embodiment of the present utility model Figure 1-2 , clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of them. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0019] It should be noted that, in this document, unless otherwise stated, it should be understood that the terms "center", "upper", "lower", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", etc., indicating positions or positional relationships based on the positions or positional relationships shown in the accompanying drawings, are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as limiting the present invention. In addition, the terms "first", "second", "third", etc., are used for descriptive purposes only and cannot be understood as indicating or implying relative importance.

[0020] In this document, the terms "comprises", "comprising" or any other variation thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device comprising a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device. In the absence of further limitations. The elements defined by the sentence "comprising a ..." do not exclude the presence of other identical elements in the process, method, article or device comprising the elements.

[0021] Urea tank bracket with welding positioning tooling, such as Figure 1-2 As shown, it includes a seat plate 2, and a pull ear positioning assembly for positioning the pull ears 1-4 on both sides of the urea tank bracket 1 is provided on the front end plate surface of the upper end surface of the seat plate 2, and a side stand plate rear positioning assembly for positioning and fixing the rear ends of the two side stand plates 1-1 in the urea tank bracket 1 is provided on the rear end plate surface of the upper end surface of the seat plate 2, and a limit bracket positioning assembly is provided between the pull ear positioning assembly and the side stand plate rear positioning assembly, and the lower end of the limit bracket 1-3 in the urea tank bracket 1 is fixed to the seat plate 2. The upper end surface of the seat plate 2 is fixed with a positioning plate group for adapting and positioning the two side plates 1-1 and the bottom plate 1-2 in the urea tank bracket 1; in the above structure, by arranging the pull ear positioning assembly, the positioning plate group, the side plate rear positioning assembly and the limit bracket positioning assembly on the seat plate 2, reliable support conditions are provided for the welding of the pull ear 1-4, the side plate 1-1, the limit bracket 1-3 and the bottom plate 1-2, and welding is performed under the condition of ensuring the reliable and stable position of each part, thereby improving the welding quality and welding efficiency of the urea tank bracket 1;

[0022] like Figure 1 As shown, the specific structure of the positioning plate group is as follows: the positioning plate group includes an I-shaped plate 3 fixed laterally on the seat plate 2 and a square plate 4 fixed to the middle of the upper plate surface of the I-shaped plate 3, the lower ends of the two side vertical plates 1-1 are both located inside the pull ear positioning assembly, and the inner flanges 1-11 of the two side vertical plates 1-1 are respectively located on the two wide side plate surfaces of the I-shaped plate 3, and the two bottom plates 1-2 at both ends are used for welding to the bottom surfaces of the inner flanges 1-11 of the corresponding side vertical plates 1-1, which are adapted to be positioned in the grooves 3-1 on the long sides of the I-shaped plate 3, and the square plate 4 is fixed to the middle of the upper plate surface of the I-shaped plate 3, and the lower ends of the two side vertical plates 1-1 are located inside the pull ear positioning assembly, and the inner flanges 1-11 of the two side vertical plates 1-1 are respectively located on the two wide side plate surfaces of the I-shaped plate 3, and the two bottom plates 1-2 at both ends are used for welding to the bottom surfaces of the inner flanges 1-11 of the corresponding side vertical plates 1-1, which are adapted to be positioned in the grooves 3-1 on the long sides of the I-shaped plate 3. The plate 4 is located between the two side upright plates 1-1 and is used to position the two bottom plates 1-2; specifically, the square plate 4 is adapted to the inner flange 1-11 at the lower end of the two side upright plates 1-1 and the square hole formed by splicing the two bottom plates 1-2; in the above structure, a positioning plate group consisting of an I-shaped plate 3 and a square plate 4 is used to realize reliable positioning of the distance between the two side upright plates 1-1, and provide fast and reliable positioning conditions for the welding position of the bottom plate 1-2, thereby ensuring the accuracy of the relative position between the side upright plates 1-1 and the bottom plate 1-2;

[0023] like Figure 1As shown, the specific structure of the rear positioning assembly of the side upright plate is as follows: the rear positioning assembly of the side upright plate includes two rear positioning posts 5 corresponding to the positions of the side upright plates 1-1 and symmetrically fixed on the rear end plate surface of the upper end surface of the seat plate 2, and the front wall of the upper end of the rear positioning post 5 is penetrated with a positioning hole 5-1 corresponding to the position of the through hole on the plate surface of the outer flange 1-12 at the rear end of the side upright plate 1-1, the outer flange 1-12 is in contact with the front wall of the upper end of the rear positioning post 5, and the rear end of the side upright plate 1-1 is positioned and fixed on the rear positioning post 5 by a positioning pin which is plugged into the through hole on the outer flange 1-12 and the positioning hole 5-1.

[0024] like Figure 1 As shown, the specific structure of the pull ear positioning assembly is as follows: the pull ear positioning assembly includes two front positioning posts 6 corresponding to the positions of the pull ears 1-4 on both sides of the urea tank bracket 1, and the front wall at the upper end of the front positioning post 6 is penetrated with a positioning hole 6-1 corresponding to the position of the through hole on the outer plate of the pull ear 1-4, the inner side plate of the pull ear 1-4 contacts the outer wall of the side vertical plate 1-1 on the same side, and the pull ear 1-4 is positioned and fixed on the front positioning post 6 by a positioning pin inserted into the through hole on the outer plate and the positioning hole 6-1, and the I-shaped plate 3 in the positioning plate group is located between the two front positioning posts 6 and contacts the inner wall of the front positioning post 6.

[0025] like Figure 1 As shown, the specific structure of the limit bracket positioning assembly is as follows: the limit bracket positioning assembly includes a cross bar 8 for supporting and positioning the limit bracket 1-3 and two positioning columns 7 vertically fixed on the seat plate 2 and located between the two side vertical plates 1-1, the cross bar 8 is located at the rear side of the two positioning columns 7, and the end of the cross bar 8 is fixedly connected to the positioning columns 7 at the corresponding end, the lower end surface of the limit bracket 1-3 is located on the cross bar 8, and the front side wall of the limit bracket 1-3 is against the two positioning columns 7; in the above structure, with the cooperation of the cross bar 8 and the two positioning columns 7, the limit bracket 1-3 is reliably supported and positioned, the relative position of the limit bracket 1-3 and the two side vertical plates 1-1 can be quickly determined, and the welding accuracy is improved;

[0026] In this scheme, the outer flange 1-12 at the rear end of the side upright plate 1-1 is positioned on the rear positioning column 5, and the outer wall of the lower front end of the side column 1-1 contacts the inner wall of the front positioning column 6, and the bottom surface of the inner flange 1-11 is located on the plate surface on the wide side of the I-shaped plate 3, and the bottom plate 1-2 is positioned in the groove 3-1, so as to realize the rapid and reliable positioning of the side upright plate 1-1 and the bottom plate 1-2, and the square plate 4 is used to position the inner flanges 1-11 of the two side upright plates 1-1 and the square holes formed by the two bottom plates 1-2; the lower end surface of the limiting bracket 1-3 is located on the cross bar 8, and the front side wall of the limiting bracket 1-3 is against the two positioning columns 7. After the rapid positioning of each part in the urea tank bracket 1, the welding process can be carried out, such as Figure 2 FIG. 1 is a schematic diagram of the structure of the urea tank bracket 1 after welding.

[0027] This technical solution solves the problem of difficulty in welding the components of the urea tank bracket 1 and low welding efficiency. It has high positioning accuracy and good supporting stability, ensures the improvement of the welding accuracy of the urea tank bracket 1, facilitates the batch welding processing of the urea tank bracket 1, and has high use value.

[0028] It is obvious to those skilled in the art that the present invention is not limited to the details of the exemplary embodiments described above, and that the present invention can be implemented in other specific forms without departing from the spirit or essential features of the present invention. Therefore, the embodiments should be regarded as exemplary and non-restrictive from any point of view, and the scope of the present invention is defined by the appended claims rather than the above description, and it is intended that all changes falling within the meaning and scope of the equivalent elements of the claims be included in the present invention. Any reference numeral in a claim should not be regarded as limiting the claim to which it relates.

[0029] In addition, it should be understood that although the present specification is described according to implementation modes, not every implementation mode contains only one independent technical solution. This description of the specification is only for the sake of clarity. Those skilled in the art should regard the specification as a whole. The technical solutions in each embodiment may also be appropriately combined to form other implementation modes that can be understood by those skilled in the art.

Claims

1. The welding positioning tool for the urea tank bracket is characterized by: The invention comprises a seat plate (2), wherein a pull ear positioning assembly for positioning pull ears (1-4) on both sides of a urea tank bracket (1) is provided on the front end plate surface of the upper end surface of the seat plate (2), and a side upright plate rear positioning assembly for positioning and fixing the rear ends of two side upright plates (1-1) in the urea tank bracket (1) is provided on the rear end plate surface of the upper end surface of the seat plate (2), and a limit bracket positioning assembly is provided between the pull ear positioning assembly and the side upright plate rear positioning assembly, the lower end of which is fixed to the seat plate (2) and is used to position and support a limit bracket (1-3) in the urea tank bracket (1), and a positioning plate group for adapting and positioning the two side upright plates (1-1) and the bottom plate (1-2) in the urea tank bracket (1) is fixed on the upper end surface of the seat plate (2).

2. The welding positioning tool for the urea tank bracket according to claim 1 is characterized in that: The positioning plate assembly comprises an I-shaped plate (3) transversely fixed on the seat plate (2) and a square plate (4) fixed on the middle of the upper plate surface of the I-shaped plate (3); the lower ends of the two side upright plates (1-1) are both located inside the pull ear positioning assembly, and the inner flanges (1-11) of the two side upright plates (1-1) are respectively located on the two wide side plate surfaces of the I-shaped plate (3); the two bottom plates (1-2) at both ends of which are welded to the bottom surfaces of the inner flanges (1-11) of the corresponding side upright plates (1-1) are adapted to be positioned in the grooves (3-1) on the long sides of the I-shaped plate (3); the square plate (4) is located between the two side upright plates (1-1) and is used to position the two bottom plates (1-2).

3. The welding positioning tool for the urea tank bracket according to claim 2 is characterized in that: The square plate (4) is adapted to fit into a square hole formed by splicing the inner flanges (1-11) at the lower ends of the two side upright plates (1-1) and the two bottom plates (1-2).

4. The welding positioning tool for the urea tank bracket according to claim 1 is characterized in that: The side stand rear positioning assembly comprises two rear positioning posts (5) corresponding to the positions of the side stand (1-1) and symmetrically fixed on the rear end plate surface of the upper end surface of the seat plate (2); a positioning hole (5-1) corresponding to the position of a through hole on the plate surface of the outer flange (1-12) at the rear end of the side stand (1-1) is formed through the front wall of the upper end of the rear positioning post (5); the outer flange (1-12) contacts the front wall of the upper end of the rear positioning post (5); and the rear end of the side stand (1-1) is positioned and fixed on the rear positioning post (5) by a positioning pin plugged into the through hole on the outer flange (1-12) and the positioning hole (5-1).

5. The welding positioning tool for the urea tank bracket according to claim 1 is characterized in that: The pull ear positioning assembly comprises two front positioning posts (6) corresponding to the positions of the pull ears (1-4) on both sides of the urea tank bracket (1); a second positioning hole (6-1) corresponding to the position of the through hole on the outer plate of the pull ear (1-4) is formed through the front wall of the upper end of the front positioning post (6); the inner plate of the pull ear (1-4) contacts the outer wall of the side vertical plate (1-1) on the same side; and the pull ear (1-4) is positioned and fixed on the front positioning post (6) by a positioning pin plugged into the through hole on the outer plate and the second positioning hole (6-1); the I-shaped plate (3) in the positioning plate assembly is located between the two front positioning posts (6) and contacts the inner wall of the front positioning post (6).

6. The welding positioning tool for the urea tank bracket according to any one of claims 1 to 5, characterized in that: The limit bracket positioning assembly comprises a cross bar (8) for supporting and positioning the limit bracket (1-3) and two positioning columns (7) vertically fixed on the seat plate (2) and located between the two side upright plates (1-1); the cross bar (8) is located at the rear side of the two positioning columns (7), and the end of the cross bar (8) is fixedly connected to the positioning columns (7) at the corresponding end; the lower end surface of the limit bracket (1-3) is located on the cross bar (8), and the front side wall of the limit bracket (1-3) abuts against the two positioning columns (7).

Images