Automobile stud welding positioning device

Abstract

The utility model provides an automobile stud welding positioning device which comprises a positioning plate, the left side and the right side of the positioning plate are both connected with positioning pins, and the positioning pins are used for being matched with positioning holes in the left side and the right side of an automobile body floor in an inserted mode. A positioning block is connected to the rear side of the positioning plate and used for making contact with the upper end face of the middle channel body. The positioning plate is connected with a plurality of groups of stud positioning blocks, and the stud positioning blocks are used for marking stud mounting positions on the vehicle body floor and the middle channel body. The stud welding positioning tool solves the problems that an existing stud welding positioning tool is high in manufacturing cost, large in size and inconvenient to operate.

Description

Technical Field

[0001] The utility model relates to the technical field of automobile manufacturing, in particular to an automobile stud welding positioning device. Background Art

[0002] With the rapid development of my country's automobile industry, competition among automobile companies has become increasingly fierce. How to shorten the product development period and reduce the cost is the key to the sustainable development of automobile companies. With the continuous improvement of welding technology, stud welding on the car body has the advantages of high efficiency and high quality in the welding process and has been widely used. In automobile production, a large number of stud welding nails are set on the floor assembly, and the decorative panels and other components are fixed by stud welding nails. In order to ensure the position accuracy of the studs, stud welding positioning tooling must be developed. However, the existing pneumatic stud welding positioning tooling has high manufacturing cost, large size, and inconvenient operation. Therefore, it is necessary to invent a new automobile stud welding positioning device. Utility Model Content

[0003] The utility model aims to provide an automobile stud welding positioning device, which solves the problems of high manufacturing cost, large volume and inconvenient operation of the existing stud welding positioning tooling.

[0004] The technical solution adopted by the utility model to solve its technical problems is:

[0005] A positioning device for automobile stud welding comprises a positioning plate, wherein both left and right sides of the positioning plate are connected with positioning pins, and the positioning pins are used to be inserted and matched with positioning holes on the left and right sides of a vehicle body floor; a positioning block is connected to the rear side of the positioning plate, and the positioning block is used to contact the upper end surface of a middle channel body; the positioning plate is connected with a plurality of groups of stud positioning blocks, and the stud positioning blocks are used to mark the stud installation positions on the vehicle body floor and the middle channel body.

[0006] Furthermore, the stud positioning blocks are respectively arranged corresponding to the left and right sides of the vehicle body floor, the upper end surface of the middle channel body, and the left and right side surfaces of the middle channel body.

[0007] Furthermore, the positioning plate is connected to a plurality of groups of positioning rods, and the positioning pins and stud positioning blocks are all connected to the positioning rods.

[0008] Furthermore, the positioning rods all extend downwardly from the positioning plate.

[0009] Furthermore, the positioning rod and the positioning plate are connected by screw connection, and an adjusting gasket is arranged in the gap between the positioning rod and the positioning plate.

[0010] Furthermore, the positioning pin is connected to a positioning pin seat, and the positioning pin seat is connected to the positioning rod.

[0011] Furthermore, a pin rod is provided at the upper end of the positioning pin, and the pin rod passes through the positioning pin seat from bottom to top and is connected to the nut through a threaded structure.

[0012] Furthermore, a limiting boss is provided at the lower end of the positioning pin seat, and a limiting groove cooperating with the limiting boss is provided at the position of the positioning pin corresponding to the limiting boss.

[0013] Furthermore, a circular positioning through hole is provided in the stud positioning block.

[0014] Furthermore, the positioning plate is an I-shaped structure.

[0015] Beneficial effects of the utility model: the automobile stud welding positioning device of the utility model, by arranging positioning pins and stud positioning blocks on the positioning plate, can not only ensure the accuracy of positioning with the vehicle body, but also greatly improve the convenience of employee operation, reduce tooling manufacturing costs, and reduce tooling size.

[0016] The present invention will be described in more detail below with reference to the accompanying drawings and embodiments. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 The utility model is an assembly diagram of an automobile stud welding positioning device and a vehicle body.

[0018] Figure 2 The utility model is an assembly diagram of an automobile stud welding positioning device and a vehicle body in another direction.

[0019] Figure 3 The utility model is a top view of the assembly of an automobile stud welding positioning device and a vehicle body.

[0020] Figure 4 The utility model is a structural diagram of an automobile stud welding positioning device.

[0021] Figure 5 This is a structural diagram of another direction of a positioning device for automobile stud welding according to the utility model.

[0022] Figure 6 The utility model is a top view of an automobile stud welding positioning device.

[0023] Figure 7 The utility model is a front view of a positioning device for automobile stud welding.

[0024] Figure 8 This is an assembly structure diagram of the locating pin and the locating pin seat in the utility model. DETAILED DESCRIPTION

[0025] like Figures 1 to 7The automobile stud welding positioning device shown in the figure includes a positioning plate 1, and the left and right sides of the positioning plate 1 are connected with positioning pins 2, and the positioning pins 2 are used to be inserted and matched with the positioning holes on the left and right sides of the vehicle body floor 10, and the positioning pins 2 are used to locate the position of the device in the three directions of X, Y, and Z on the vehicle body floor 10; the rear side of the positioning plate 1 is connected with an L-shaped positioning block 3, and the lower end of the positioning block 3 is used to contact the upper end surface of the middle channel body 20, and is used to locate the Z-direction position of the device on the middle channel body 20; the positioning plate 1 is connected with a plurality of groups of stud positioning blocks 4, and the stud positioning blocks 4 are used to mark the stud installation positions on the vehicle body floor 10 and the middle channel body 20.

[0026] Preferably, in combination with the above scheme, in order to mark the various stud installation points on the vehicle body floor 10 and the middle channel body 20, the stud positioning blocks 4 are respectively arranged corresponding to the left and right sides of the vehicle body floor 10, the upper end surface of the middle channel body 20, and the left and right sides of the middle channel body 20.

[0027] Preferably, in combination with the above solution, in order to facilitate the installation and fixation of the locating pins 2 and the stud locating blocks 4 , a plurality of groups of locating rods 11 are connected to the locating plate 1 , and the locating pins 2 and the stud locating blocks 4 are all connected to the locating rods 11 .

[0028] Preferably, in combination with the above solution, in order to facilitate the positioning and cooperation between the positioning pin 2 , the stud positioning block 4 and the vehicle body, the positioning rods 11 extend downwardly from the positioning plate 1 to a position close to the vehicle body floor 10 and the middle channel body 20 .

[0029] Preferably, in combination with the above solution, in order to facilitate adjustment by screwing, the positioning rod 11 is connected to the positioning plate 1 by screwing, and an adjustment gasket is provided in the gap between the positioning rod 11 and the positioning plate 1.

[0030] Preferably, in combination with the above solution, in order to facilitate the installation and fixation of the positioning pin 2, the positioning pin 2 is connected to a positioning pin seat 12, and the positioning pin seat 12 is connected to the positioning rod 11 by screw connection.

[0031] Preferably, in combination with the above solution, in order to facilitate the screw connection design, a pin rod 22 is provided at the upper end of the positioning pin 2, and the pin rod 22 passes through the positioning pin seat 12 from bottom to top and is connected to the nut through a threaded structure. In order to ensure the installation accuracy, the part of the pin rod 22 located in the positioning pin seat 12 is a smooth rod structure, and the part of the pin rod 22 extending out of the positioning pin seat 12 is a threaded rod structure.

[0032] Preferably, in combination with the above solution, in order to prevent the nut from rotating when tightening, the installation accuracy is ensured, such as Figure 8As shown, a limiting boss 121 is disposed at the lower end of the positioning pin seat 12 , and a limiting groove 21 cooperating with the limiting boss 121 is disposed at a position of the positioning pin 2 corresponding to the limiting boss 121 .

[0033] Preferably, in combination with the above solution, in order to facilitate drawing of stud installation positioning marks with a marking pen, a circular positioning through hole 41 is provided in the stud positioning block 4, and the positioning through hole 41 is a circular hole with a tapered surface.

[0034] Preferably, in combination with the above solution, in order to reduce the weight of the device, a hollow structure is adopted, and at the same time it is convenient to grasp the tooling by hand, and the positioning plate 1 is an I-shaped structure.

[0035] The use of the utility model:

[0036] When using the device, first insert the positioning pin of the device into the positioning hole of the vehicle body floor 10, and support the positioning block 3 on the middle channel body 20; then check whether the device is firmly positioned, and use a marker to draw circles in the positioning through holes 41 of all stud positioning blocks 4 as positioning marks; then remove the device from the vehicle body, and according to the requirements of the welding operation instruction manual, use a stud welding gun to perform stud welding at the marked position.

[0037] In the description of the present invention, it should be understood that terms such as "upper", "lower", "front", "back", "left", "right", "bottom", "inside", "outside", "one end", "one side", "two ends", "both sides", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, and 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 should not be understood as a limitation on the present invention.

[0038] The utility model is described above by way of example in conjunction with the accompanying drawings. Obviously, the specific implementation of the utility model is not limited to the above-mentioned method. As long as various improvements are made using the method concept and technical solution of the utility model, or they are directly applied to other occasions, they all fall within the protection scope of the utility model.

Claims

1. An automobile stud welding positioning device, characterized in that: The invention comprises a positioning plate (1), wherein both left and right sides of the positioning plate (1) are connected with positioning pins (2), and the positioning pins (2) are used to be inserted and matched with positioning holes on the left and right sides of the vehicle body floor (10); the rear side of the positioning plate (1) is connected with a positioning block (3), and the positioning block (3) is used to contact the upper end surface of the middle channel body (20); the positioning plate (1) is connected with a plurality of groups of stud positioning blocks (4), and the stud positioning blocks (4) are used to mark the stud installation positions on the vehicle body floor (10) and the middle channel body (20).

2. The automotive stud welding positioning device according to claim 1 is characterized in that: The stud positioning blocks (4) are respectively arranged corresponding to the left and right sides of the vehicle body floor (10), the upper end surface of the middle channel body (20), and the left and right side surfaces of the middle channel body (20).

3. The automotive stud welding positioning device according to claim 1 is characterized in that: The positioning plate (1) is connected to a plurality of groups of positioning rods (11), and the positioning pins (2) and stud positioning blocks (4) are both connected to the positioning rods (11).

4. The automotive stud welding positioning device according to claim 3 is characterized in that: The positioning rods (11) all extend toward the bottom of the positioning plate (1).

5. The automotive stud welding positioning device according to claim 3 is characterized in that: The positioning rod (11) is connected to the positioning plate (1) by screw connection, and an adjusting gasket is provided in the gap between the positioning rod (11) and the positioning plate (1).

6. The automotive stud welding positioning device according to claim 3, characterized in that: The positioning pin (2) is connected to a positioning pin seat (12), and the positioning pin seat (12) is connected to the positioning rod (11).

7. The automotive stud welding positioning device according to claim 6, characterized in that: A pin rod (22) is provided at the upper end of the positioning pin (2), and the pin rod (22) passes through the positioning pin seat (12) from bottom to top and is connected to the nut through a threaded structure.

8. The automotive stud welding positioning device according to claim 7, characterized in that: A limiting boss (121) is provided at the lower end of the positioning pin seat (12), and a limiting groove (21) cooperating with the limiting boss (121) is provided at a position of the positioning pin (2) corresponding to the limiting boss (121).

9. The automotive stud welding positioning device according to claim 1, characterized in that: The stud positioning block (4) is provided with a circular positioning through hole (41).

10. The automotive stud welding positioning device according to claim 1, characterized in that: The positioning plate (1) is an I-shaped structure.

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