Positioning mechanism

A technology of positioning mechanism and limit block, which is applied in auxiliary devices, vehicle components, auxiliary welding equipment, etc., can solve problems such as positioning difficult parts 101, achieve fast and accurate positioning, overcome difficult positioning, and improve welding efficiency Effect

Inactive Publication Date: 2015-06-24
ANHUI JIANGHUAI AUTOMOBILE GRP CORP LTD
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AI-Extracted Technical Summary

Problems solved by technology

Since the second part 102 surrounds the first part 101, it is difficult to position the first part 101 when using the exist...
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Abstract

The invention discloses a positioning mechanism. A rotating plate, a first rod, a second rod and a third rod form a framework structure, a drive device can drive the rotating plate to swing in a reciprocating mode, the third rod can go in or out of a part of a box-type structure and to be welded, the rotating plate, the first rod and the second rod form an avoiding space, the avoiding space can bypass a surrounding structure, a supporting block on the third rod can be used for positioning and supporting the surrounded part, and thus welding of the part of the box type structure can be achieved. By means of the positioning mechanism, the defect that the part of the box type structure is not prone to being positioned in the welding process is overcome, fast and precise positioning of the part of the box type structure can be achieved, and welding efficiency is improved greatly.

Application Domain

Welding/cutting auxillary devicesAuxillary welding devices +3

Technology Topic

Software engineeringWelding process

Image

  • Positioning mechanism
  • Positioning mechanism
  • Positioning mechanism

Examples

  • Experimental program(1)

Example Embodiment

[0031] The present invention will be further described in detail below in conjunction with the drawings and specific embodiments:
[0032] Such as figure 2 with image 3 As shown, a positioning mechanism includes a base 1, a mounting plate 2, a rotating plate 3, an adapter frame 4, a first rod 5, a second rod 6, a third rod 7, a supporting block 8 and a driving device. Wherein, one end of the mounting plate 2 is fixedly mounted on one side of the upper end of the base 1 through bolt connection. The driving device can be a pneumatic cylinder or a hydraulic cylinder. In this embodiment, the driving device is a cylinder 11. The free end of the piston rod in the cylinder 11 is hinged with one end of the rotating plate 3. For ease of installation, the piston in the cylinder 11 The free end of the rod is fixedly equipped with a U-shaped frame, and the end of the rotating plate 3 is hinged in the U-shaped groove of the U-shaped frame. To prevent interference during rotation, there is a gap between the rotating plate 3 and the U-shaped groove of the U-shaped frame. Cooperate. The outer side of the end of the cylinder body near the piston rod of the cylinder 11 is hinged with the lower side of the mounting plate 2. In order to provide a space for the cylinder 11, a connecting block 12 is preferably provided between the mounting plate 2 and the base 1. The bolts pass through the mounting plate 2, the connecting block 12 and the base 1 in order to fasten and connect the three. After the connecting block 12 is installed, the width of the space under the mounting plate 2 can be widened, thereby facilitating the installation of the cylinder 11. In order to facilitate the installation of the cylinder block in the cylinder 11, a clamp is sleeved on the outside of the end of the cylinder block near the piston rod in the cylinder 11, and the clamp is hinged with the mounting plate 2. Also in order to prevent interference, there is a clearance fit between the clamp and the mounting plate 2. One end of the adapter frame 4 is hinged to the other end of the mounting plate 2 (the end of the mounting plate 2 opposite to the base 1), and the other end of the adapter frame 4 is fixedly mounted on the rotating plate 3 near the free end of the driving device. In this embodiment, the adapter frame 4 is preferably an H-shaped frame, the end of the mounting plate 2 far from the base 1 is hinged in a groove of the H-shaped frame, and the side of the rotating plate 3 close to the free end of the driving device is fixed. Installed in another groove of the H-frame. The mounting plate 2 is in clearance fit with the groove of the H-shaped frame, and the rotating plate 3 is in interference fit with the groove of the H-shaped frame. The H-shaped frame is chosen because of its simple structure and convenient disassembly and assembly. Of course, the adapter frame 4 can also be designed in other structures, such as a rectangular flat plate. One end of the first rod 5 is vertically arranged on the rotating plate 3 away from the free end of the piston rod in the cylinder 11 and extends away from the mounting plate 2. One end of the second rod 6 is vertically arranged at the other end of the first rod 5, and the extension direction of the second rod 6 is perpendicular to the rotating plate 3. One end of the third rod 7 is vertically arranged at the other end of the second rod 6, and the third rod 7 extends toward the mounting plate 2 and is parallel to the first rod 5. The supporting block 8 is arranged at the other end of the third rod 7, and the supporting block 8 extends away from the rotating plate 3. For ease of manufacture, the rotating plate 3, the first rod 5, the second rod 6 and the third rod 7 are integrally formed.
[0033] Such as Figure 4 As shown, in the positioning mechanism provided by the present invention, the rotating plate 3, the first rod 5, the second rod 6 and the third rod 7 constitute a frame structure. The air cylinder 11 can drive the rotating plate 3 to reciprocate, and the third rod 7 can enter and exit by the A box structure composed of a part 13 and a second part 14, a retreat space is formed between the rotating plate 3, the first rod 5 and the second rod 6, and this retreat space can bypass the surrounding structure. The third rod 7 The upper support block 8 can be used to position and support the first part 13, so as to realize the welding of the box structure parts. In order to prevent the rotating plate 3 from overturning during rotation, causing knocks on the mounting plate 2, the end of the mounting plate 2 away from the base 1 is fixedly equipped with a first stop 9 facing the rotating plate 3, and the rotating plate 3 A second limiting block 10 matched with the first limiting block 9 is arranged on the upper portion close to the adapter frame 4. The first limiting block 9 and the second limiting block 10 cooperate to limit the rotation of the rotating plate 3. In order to ensure accurate and gentle positioning, the first limit block 9 is provided with a protrusion facing the rotating plate 3, and the second limit block 10 is provided with a groove matching the protrusion. When the first limiting block 9 is contacted, the groove is inserted into the protrusion, thereby achieving the purpose of relaxing the limiting and avoiding rigid collision. The positioning mechanism of the present invention overcomes the defect that the parts of the box structure are not easy to be positioned during welding, can realize the rapid and accurate positioning of the parts of the box structure, and greatly improves the welding efficiency.
[0034] In summary, the content of the present invention is not limited to the above-mentioned embodiments. Those skilled in the art can easily propose other implementation manners based on the guiding idea of ​​the present invention, and these implementation manners are all included in the scope of the present invention.

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