Welding positioning tool with protection structure

Abstract

The utility model discloses a welding positioning tool with a protection structure, which relates to the technical field of welding and comprises a workbench and a base, the base is mounted on the workbench and connected with two symmetrically distributed mounting plates, the upper ends of the two mounting plates are jointly and rotatably connected with a rotating shaft, the rotating shaft is connected with a rotating block, and the rotating block is fixedly connected with the workbench. The rotating block is rotationally connected with a connecting piece through a pin shaft, an air cylinder is installed on the base, and the movable end of the air cylinder is rotationally connected with the other end of the connecting piece through a pin shaft. When the auxiliary frame workpiece positioning device works, the protection sheet is turned over along with the positioning mechanism, the protection sheet covers the surface of the auxiliary frame workpiece while the auxiliary frame workpiece is positioned, threaded holes around a welding area are shielded, welding slag is effectively prevented from entering the threaded holes during welding, the protection effect is achieved, and the service life of the auxiliary frame workpiece is prolonged. The whole protection application and the auxiliary frame workpiece positioning are synchronously carried out, so that a large amount of labor is reduced, and the welding efficiency is also improved.

Description

Technical Field

[0001] The utility model relates to the technical field of welding, in particular to a welding positioning tooling with a protection structure. Background Technique

[0002] The subframe can be regarded as the skeleton of the front and rear axles and is an integral part of the front and rear axles. The subframe is not a complete vehicle frame but only a bracket that supports the front and rear axles and the suspension, enabling the axles and suspension to be connected to the "main frame" through it. It is conventionally called the "sub-frame". The function of the sub-frame is to block vibration and noise and reduce their direct entry into the carriage, so it mostly appears in luxury cars and off-road vehicles. Some cars also install sub-frames for the engine. In a traditional load-bearing body without a sub-frame, the suspension is directly connected to the body steel plate.

[0003] During the production of the subframe, welding technology is used. However, the welding components of the subframe are provided with threaded holes opened during processing, and welding slag splashes will be generated during the welding process. Once the welding slag enters the threaded holes, the entire workpiece will be scrapped. Therefore, it is necessary to protect the threaded holes before welding. Most of the existing technologies use manual laying of protection baffles on the workpiece, which is not only time-consuming and laborious but also affects the welding efficiency. For this reason, a welding positioning tooling with a protection structure is proposed. Content of the Utility Model

[0004] The purpose of the utility model is to solve the problems mentioned in the above background technique, and a welding positioning tooling with a protection structure is proposed.

[0005] In order to achieve the above purpose, the utility model adopts the following technical scheme:

[0006] A welding positioning tooling with a protection structure includes a workbench and a base. The base is installed on the workbench. Two symmetrically distributed mounting plates are connected to the base. A rotating shaft is rotatably connected to the upper ends of the two mounting plates. A rotating block is connected to the rotating shaft. The rotating block is rotatably connected to a connecting piece through a pin shaft. A cylinder is installed on the base. The movable end of the cylinder is rotatably connected to the other end of the connecting piece through a pin shaft. A positioning mechanism is arranged on the rotating shaft.

[0007] Preferably, the positioning mechanism includes two rotating rods, which are respectively connected to the two ends of the rotating shaft. A fixing piece is commonly connected to the ends of the two rotating rods far away from the rotating shaft. An installation block is connected to the lower end of the fixing piece. A positioning pin is connected to the bottom of the installation block.

[0008] Preferably, a bolt hole is formed in the side surface of the installation block, and a protection piece is connected to the side surface of the installation block through a bolt.

[0009] Preferably, the protection piece is made of brass material.

[0010] Preferably, a plurality of support members are installed on the workbench.

[0011] In the present utility model, compared with the prior art, the advantages are as follows:

[0012] During the operation of the present utility model, the protection sheet will flip together with the positioning mechanism. While positioning the subframe workpiece, the protection sheet covers the surface of the subframe workpiece, shielding the threaded holes around the welding area, effectively preventing welding slag from entering the threaded holes during welding, playing a protective role. The application of the entire protection is synchronized with the positioning of the subframe workpiece, which not only reduces a large amount of labor but also improves the welding efficiency. Description of the Drawings

[0013] Figure 1 It is a schematic structural diagram of the present utility model.

[0014] Figure 2 It is a schematic structural diagram of the positioning mechanism part in the present utility model.

[0015] Figure 3 It is a usage demonstration diagram of the present utility model on the subframe workpiece.

[0016] In the figure: 1 workbench, 11 support members, 12 base, 2 mounting plate, 21 rotating shaft, 22 rotating block, 23 connecting member, 24 rotating rod, 25 fixing member, 26 mounting block, 27 positioning pin, 28 protection sheet, 3 cylinder. Detailed Embodiment

[0017] Next, the technical solutions in the embodiments of the present utility model will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the embodiments.

[0018] Referring to Figures 1-3 As shown, a welding positioning tooling with a protection structure includes a workbench 1 and a base 12. The base 12 is installed on the workbench 1. Two symmetrically distributed mounting plates 2 are connected to the base 12. The upper ends of the two mounting plates 2 are jointly rotatably connected to a rotating shaft 21. A rotating block 22 is connected to the rotating shaft 21. The rotating block 22 is rotatably connected to a connecting member 23 through a pin shaft. A cylinder 3 is installed on the base 12. The movable end of the cylinder 3 is rotatably connected to the other end of the connecting member 23 through a pin shaft. A positioning mechanism is provided on the rotating shaft 21.

[0019] In this embodiment, the positioning mechanism includes two rotating rods 24, the two rotating rods 24 are respectively connected to both ends of the rotating shaft 21, the ends of the two rotating rods 24 away from the rotating shaft 21 are commonly connected with a fixing member 25, the lower end of the fixing member 25 is connected with a mounting block 26, and the bottom of the mounting block 26 is connected with a positioning pin 27.

[0020] In this embodiment, a bolt hole is formed in the side surface of the mounting block 26, and a protection piece 28 is connected to the side surface of the mounting block 26 through a bolt. The protection piece 28 is made of brass material. The protection piece 28 made of brass material not only has good corrosion resistance, but also can prevent adhesion to welding slag.

[0021] In this embodiment, a plurality of supporting members 11 are installed on the workbench 1 to support the subframe workpiece.

[0022] Working process and principle:

[0023] During use, the subframe workpiece is placed on the supporting member 11 of the workbench 1, and then the air cylinder 3 is activated to push upward. The rotating shaft 21 is pushed to rotate through the connecting member 23 and the rotating block 22, driving the entire positioning mechanism to flip towards the direction where the workpiece is located. During the flipping process, the positioning pin 27 will be inserted into the positioning hole of the subframe workpiece to achieve the positioning and fixing of the subframe workpiece. At the same time, the protection piece 28 will also flip along with the positioning mechanism to cover the surface of the subframe workpiece, shielding the threaded holes around the welding area. During welding, it prevents welding slag from entering the threaded holes and plays a protective role. The application of the entire protection is synchronized with the positioning of the subframe workpiece, reducing a large amount of labor and also improving the welding efficiency.

[0024] The above is only a preferred specific embodiment of the present invention, but the protection scope of the present invention is not limited thereto. Any person skilled in the art within the technical scope disclosed by the present invention, according to the technical solution of the present invention and its inventive concept, makes equivalent substitutions or changes, and all should be covered within the protection scope of the present invention.

Claims

1. A welding positioning tooling with a protection structure, characterized in that, It includes a workbench (1) and a base (12), the base (12) is installed on the workbench (1), two symmetrically distributed mounting plates (2) are connected to the base (12), a rotating shaft (21) is rotatably connected to the upper ends of the two mounting plates (2), a rotating block (22) is connected to the rotating shaft (21), the rotating block (22) is rotatably connected to a connecting member (23) through a pin shaft, a cylinder (3) is installed on the base (12), and the movable end of the cylinder (3) is rotatably connected to the other end of the connecting member (23) through a pin shaft. A positioning mechanism is provided on the rotating shaft (21).

2. The welding positioning tooling with a protection structure according to claim 1, wherein, The positioning mechanism includes two rotating rods (24), the two rotating rods (24) are respectively connected to the two ends of the rotating shaft (21), a fixing member (25) is commonly connected to the ends of the two rotating rods (24) away from the rotating shaft (21), a mounting block (26) is connected to the lower end of the fixing member (25), and a positioning pin (27) is connected to the bottom of the mounting block (26).

3. The welding positioning tooling with a protection structure according to claim 2, wherein, A bolt hole is formed in the side surface of the mounting block (26), and a protective sheet (28) is connected to the side surface of the mounting block (26) by bolts.

4. The welding positioning tooling with a protection structure according to claim 3, characterized in that, The protective sheet (28) is made of brass material.

5. The welding positioning tooling with a protection structure according to claim 1, characterized in that, A plurality of support members (11) are installed on the workbench (1).

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