Automobile part welding positioning device

Abstract

An automobile part welding positioning device relates to the technical field of positioning devices and comprises a positioning cylinder, a rotating column is coaxially and rotatably arranged in the positioning cylinder, a plurality of sheet metal hole positioning rods which swing in the radial direction are arranged on the periphery of the outer wall of the positioning cylinder, and the rotating column adjusts the swing angle of the sheet metal hole positioning rods through a sheet metal hole driving assembly. The automobile metal plate welding fixture solves the problems that in the prior art, when an automobile metal plate and a nut are welded, in order to guarantee the coaxiality, a metal plate hole and the nut need to be machined and positioned, operation is tedious, and the welding efficiency between the nut and the metal plate hole is reduced.

Description

Technical Field

[0001] The utility model relates to the technical field of positioning devices, in particular to a welding positioning device for automobile parts. Background Art

[0002] The most common automotive panel parts are the need to weld sheet metal and nuts. At present, it is difficult to find the correct placement of ordinary nuts when welding them manually, and the nuts and sheet metal holes are not concentric, resulting in unqualified product quality.

[0003] The prior art discloses a patent with announcement number CN203717588U, which includes a nut body and a sheet metal plate, wherein the nut body is provided with a boss, the boss is integrally formed with the nut body, and the sheet metal plate is provided with a sheet metal hole matching the boss; compared with the existing welding nuts, the utility model has a positioning function, which can quickly, effectively and accurately find the welding position, and improve the production quality of the product. It shortens the positioning and locating time before welding, increases the placement speed, shortens the production time, and effectively improves the production efficiency.

[0004] As the existing technologies including the above patents are used, their shortcomings are gradually exposed, mainly in the following aspects:

[0005] When welding existing automobile sheet metal and nuts, in order to ensure coaxiality, the sheet metal hole and the nut need to be processed and positioned, which is cumbersome and reduces the welding efficiency between the nut and the sheet metal hole.

[0006] In summary, the existing technology obviously has inconveniences and defects in practical use, so it is necessary to improve it. Utility Model Content

[0007] In view of the defects in the prior art, the utility model solves the problem that in traditional technology, when welding automobile sheet metal with nuts, in order to ensure coaxiality, the sheet metal holes and nuts need to be processed and positioned, which is cumbersome and reduces the welding efficiency between the nuts and the sheet metal holes.

[0008] In order to solve the above problems, the utility model provides the following technical solutions:

[0009] The automobile parts welding positioning device comprises a positioning cylinder, a rotating column is coaxially rotated in the positioning cylinder, a plurality of sheet metal hole positioning rods are radially swingably arranged on the outer wall of the positioning cylinder, and the rotating column adjusts the swing angles of the plurality of sheet metal hole positioning rods through a sheet metal hole driving assembly.

[0010] The positioning cylinder is provided with a sliding sleeve which slides in the axial direction, and a plurality of nut positioning rods which swing in the axial direction are arranged on the upper peripheral wall of the positioning cylinder. The sliding sleeve adjusts the swinging angles of the plurality of nut positioning rods through a nut driving assembly.

[0011] As an optimized solution, the sheet metal hole driving assembly includes a lower adjusting rod hinged to the rotating column along the radial direction, and the other end of the lower adjusting rod is hinged to the back side of the sheet metal hole positioning rod.

[0012] As an optimized solution, an avoidance hole is opened on the positioning cylinder corresponding to each of the sheet metal hole positioning rods, and the lower adjustment rod passes through the avoidance hole.

[0013] As an optimized solution, the nut driving assembly includes an upper adjusting rod axially hinged to the outer wall of the sliding sleeve, and the other end of the upper adjusting rod is hinged to the back side of the nut positioning rod.

[0014] As an optimized solution, an upper threaded section is provided on the rotating column, and an upper locking screw cap is threadedly connected to the upper threaded section, and a lower edge of the upper locking screw cap abuts against an upper end of the positioning cylinder.

[0015] As an optimized solution, the lower end of the rotating column is fixedly connected to a limiting disk, and the upper surface of the limiting disk abuts against the lower surface of the positioning cylinder.

[0016] As an optimized solution, the positioning tube is provided with a lower threaded section, the lower threaded section is threadedly connected with a lower locking screw cap, and the lower edge of the lower locking screw cap abuts against the upper end of the sliding sleeve.

[0017] As an optimized solution, the outer wall of the nut positioning rod abuts against the upper edge of the nut inner hole.

[0018] As an optimized solution, the outer end of the sheet metal hole positioning rod abuts against the hole wall of the sheet metal hole.

[0019] As an optimized solution, a handle is fixedly connected to the upper end of the rotating column.

[0020] Compared with the prior art, the beneficial effects of the utility model are:

[0021] By setting the positioning device, the processing operation of the nut and the sheet metal hole is omitted, and the positioning operation of a plurality of groups of nuts and sheet metal holes can be realized in batches, thereby improving the welding efficiency of the nut and the sheet metal hole;

[0022] When in use, the device is inserted into the nut and the sheet metal hole, the positioning cylinder is held by hand, and the rotating column is rotated. The rotating column uses a plurality of lower adjustment rods to drive a plurality of sheet metal hole positioning rods to swing synchronously. The outer ends of the sheet metal hole positioning rods are used to abut against the sheet metal holes to achieve positioning with the sheet metal holes, and then the upper locking screw cap is locked to achieve locking between the rotating column and the positioning cylinder.

[0023] Then slide the sliding sleeve downward, and the sliding sleeve uses several upper adjusting rods to drive several nut positioning rods to swing, so as to abut against the nut hole wall and position the nut, and then tighten the lower locking screw cap to limit the axial direction of the sliding sleeve. Since the rotating column, the positioning cylinder and the sliding sleeve are coaxial, the sheet metal hole positioning rod and the nut positioning rod are used to ensure the coaxiality of the nut and the sheet metal hole, thereby improving the welding efficiency of the nut and the sheet metal hole. BRIEF DESCRIPTION OF THE DRAWINGS

[0024] In order to more clearly illustrate the specific implementation of the utility model or the technical solution in the prior art, the following is a brief introduction to the drawings required for the specific implementation or the prior art description. In all the drawings, similar elements or parts are generally identified by similar reference numerals. In the drawings, each element or part is not necessarily drawn according to the actual scale.

[0025] Figure 1 It is a structural schematic diagram of the utility model.

[0026] In the figure: 1- sheet metal; 2- nut; 3- rotating column; 4- positioning cylinder; 5- upper locking screw cap; 6- lower locking screw cap; 7- sliding sleeve; 8- handle; 9- nut positioning rod; 10- sheet metal hole positioning rod; 11- lower adjustment rod; 12- upper adjustment rod; 13- avoidance hole; 14- limit plate. DETAILED DESCRIPTION

[0027] The following embodiments of the technical solution of the utility model are described in detail in conjunction with the accompanying drawings. The following embodiments are only used to more clearly illustrate the technical solution of the utility model, and are therefore only used as examples, and cannot be used to limit the protection scope of the utility model.

[0028] like Figure 1 As shown, the automobile parts welding positioning device comprises a positioning cylinder 4, a rotating column 3 is coaxially rotated in the positioning cylinder 4, a plurality of sheet metal hole positioning rods 10 are radially swingably arranged on the outer wall of the positioning cylinder 4, and the rotating column 3 adjusts the swing angles of the plurality of sheet metal hole positioning rods 10 through a sheet metal hole driving assembly.

[0029] The positioning cylinder 4 is provided with a sliding sleeve 7 which slides axially. The upper peripheral wall of the positioning cylinder 4 is provided with a plurality of nut positioning rods 9 which swing axially. The sliding sleeve 7 drives the assembly through the nut 2 to adjust the swing angles of the plurality of nut positioning rods 9 .

[0030] The sheet metal hole driving assembly comprises a lower adjusting rod 11 hinged to the rotating column 3 along the radial direction, and the other end of the lower adjusting rod 11 is hinged to the back side of the sheet metal hole positioning rod 10.

[0031] An avoidance hole 13 is formed on the positioning cylinder 4 corresponding to each sheet metal hole positioning rod 10 , and the lower adjustment rod 11 passes through the avoidance hole 13 .

[0032] The nut 2 driving assembly includes an upper adjusting rod 12 which is hinged to the outer wall of the sliding sleeve 7 along the axial direction, and the other end of the upper adjusting rod 12 is hinged to the back side of the nut positioning rod 9.

[0033] An upper threaded section is provided on the rotating column 3 , and an upper locking screw cap 5 is threadedly connected to the upper threaded section. The lower edge of the upper locking screw cap 5 abuts against the upper end of the positioning tube 4 .

[0034] The lower end of the rotating column 3 is fixedly connected to a limiting plate 14 , and the upper surface of the limiting plate 14 abuts against the lower surface of the positioning cylinder 4 .

[0035] The positioning tube 4 is provided with a lower threaded section, and a lower locking screw cap 6 is threadedly connected to the lower threaded section. The lower edge of the lower locking screw cap 6 abuts against the upper end of the sliding sleeve 7.

[0036] The outer wall of the nut positioning rod 9 abuts against the upper edge of the inner hole of the nut 2. The inclined outer wall can be used to press the nut 2 down, so that the nut 2 and the sheet metal 1 are fitted together, which is convenient for subsequent welding work.

[0037] The outer end of the sheet metal hole positioning rod 10 abuts against the hole wall of the sheet metal hole 1.

[0038] A handle 8 is fixedly connected to the upper end of the rotating column 3 .

[0039] The working principle of this device is:

[0040] By providing the positioning device, the processing operation of the nut 2 and the hole of the sheet metal 1 is omitted, and the positioning operation of several groups of nuts 2 and the holes of the sheet metal 1 can be realized in batches, thereby improving the welding efficiency of the nut 2 and the hole of the sheet metal 1;

[0041] When in use, the device is inserted into the hole between the nut 2 and the sheet metal 1, the positioning cylinder 4 is held, and the rotating column 3 is rotated. The rotating column 3 uses a plurality of lower adjustment rods 11 to drive a plurality of sheet metal hole positioning rods 10 to swing synchronously. The outer end of the sheet metal hole positioning rod 10 is used to abut against the hole of the sheet metal 1 to achieve positioning between the sheet metal 1 hole, and then the locking screw cap 5 is locked to achieve locking between the rotating column 3 and the positioning cylinder 4;

[0042] Then slide the sliding sleeve 7 downward, and the sliding sleeve 7 uses several upper adjusting rods 12 to drive several nut positioning rods 9 to swing, so as to abut against the hole wall of the nut 2 and position the nut 2, and then tighten the lower locking screw cap 6 to limit the axial direction of the sliding sleeve 7. Since the rotating column 3, the positioning cylinder 4 and the sliding sleeve 7 are coaxial, the sheet metal hole positioning rod 10 and the nut positioning rod 9 are used to ensure the coaxiality of the nut 2 and the sheet metal 1 hole, thereby improving the welding efficiency of the nut 2 and the sheet metal 1 hole.

[0043] Finally, it should be noted that the above embodiments are only used to illustrate the technical solution of the utility model, rather than to limit it. Although the utility model has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that they can still modify the technical solutions described in the aforementioned embodiments, or replace some or all of the technical features therein by equivalents. These modifications or replacements do not make the essence of the corresponding technical solutions deviate from the scope of the technical solutions of the embodiments of the utility model, and they should all be included in the scope of the claims and specification of the utility model.

Claims

1. Automobile parts welding positioning device, characterized by: The invention comprises a positioning cylinder (4), wherein a rotating column (3) is coaxially rotatably arranged inside the positioning cylinder (4), and a plurality of sheet metal hole positioning rods (10) are arranged to swing radially around the outer wall of the positioning cylinder (4), and the rotating column (3) adjusts the swing angles of the plurality of sheet metal hole positioning rods (10) through a sheet metal (1) hole driving component. The positioning cylinder (4) is provided with a sliding sleeve (7) which slides in the axial direction, and a plurality of nut positioning rods (9) which swing in the axial direction are arranged on the upper peripheral wall of the positioning cylinder (4). The sliding sleeve (7) adjusts the swinging angles of the plurality of nut positioning rods (9) through a nut (2) driving assembly.

2. The automobile parts welding positioning device according to claim 1, characterized in that: The sheet metal (1) hole driving assembly comprises a lower adjustment rod (11) hinged to the rotating column (3) in the radial direction, and the other end of the lower adjustment rod (11) is hinged to the back side of the sheet metal hole positioning rod (10).

3. The automobile parts welding positioning device according to claim 2, characterized in that: The positioning cylinder (4) is provided with an avoidance hole (13) corresponding to each of the sheet metal hole positioning rods (10), and the lower adjustment rod (11) passes through the avoidance hole (13).

4. The automobile parts welding positioning device according to claim 3, characterized in that: The nut (2) driving assembly comprises an upper adjusting rod (12) hingedly connected to the outer wall of the sliding sleeve (7) along the axial direction, and the other end of the upper adjusting rod (12) is hingedly connected to the back side of the nut positioning rod (9).

5. The automobile parts welding positioning device according to claim 4, characterized in that: The rotating column (3) is provided with an upper threaded section, the upper threaded section is threadedly connected with an upper locking screw cap (5), and the lower edge of the upper locking screw cap (5) abuts against the upper end of the positioning cylinder (4).

6. The automobile parts welding positioning device according to claim 5, characterized in that: The lower end of the rotating column (3) is fixedly connected to a limiting plate (14), and the upper surface of the limiting plate (14) abuts against the lower surface of the positioning cylinder (4).

7. The automobile parts welding positioning device according to claim 6, characterized in that: The positioning cylinder (4) is provided with a lower threaded section, the lower threaded section is threadedly connected with a lower locking screw cap (6), and the lower edge of the lower locking screw cap (6) abuts against the upper end of the sliding sleeve (7).

8. The automobile parts welding positioning device according to claim 7, characterized in that: The outer wall of the nut positioning rod (9) abuts against the upper edge of the inner hole of the nut (2).

9. The automobile parts welding positioning device according to claim 8, characterized in that: The outer end of the sheet metal hole positioning rod (10) abuts against the hole wall of the sheet metal (1) hole.

10. The automobile parts welding positioning device according to claim 9, characterized in that: A handle (8) is fixedly connected to the upper end of the rotating column (3).

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