Flexible welding and positioning device for sheet parts

Abstract

The invention relates to a flexible welding and positioning device for sheet parts. The flexible welding and positioning device comprises a flexible tool base and stand column mechanisms arranged on the flexible tool base; the flexible tool base is of a square frame structure formed in the mode that multiple long rod section bars are combined through section bar buckles; and the lower ends of thestand column mechanisms are fixed to the long rod section bars through stand column buckles, and the positions of the stand column mechanisms can be randomly adjusted in the flexible tool base plane along the long rod section bars. The flexible tool base is formed in a building mode, and not only can the platform rigidity be guaranteed, but also the building precision can be guaranteed; and the positions of the stand column mechanisms can be designed and adjusted according to the demands of different sheet parts, therefore, it is guaranteed that the stand column mechanisms can be rooted at anypositions in the X plane and Y plane, the flexibility is greatly increased, and the flexible welding and positioning device is suitable for quick building of multiple different product tools.

Description

technical field [0001] The invention relates to the field of automobile welding tool manufacturing, in particular to a flexible welding positioning device for thin plate parts. Background technique [0002] In the current trial production, in order to obtain a unified plane reference, a whole steel plate is used as the reference plate, which is also called the bottom plate, Base plate, base plate, etc. in the industry. A series of uniform specifications and consistent spacing are processed on the reference plate. "Pin screw coaxial hole", so as long as the positioning hole and connection hole on the base of the fixture pillar meet the same standard, it can be installed on this base plate, but the disadvantage is that the entire fixture pillar needs to be replaced when facing different parts, and the cost huge. Chinese patent CN106272130A discloses a flexible fixture for the front cover, which includes a flexible base plate, a connection module, a support positioning mechani...

AI Technical Summary

Problems solved by technology

[0002] In the current trial production, in order to obtain a unified plane reference, a whole steel plate is used as the reference plate, which is also called the bottom plate, Base plate, base plate, etc. in the industry. A series of uniform specifications and consistent spacing are processed on the reference plate. "Pin screw coaxial hole", so as long as the positioning hole and connection hole on the base of the fixture pillar meet the same standard, it can be installed on this base plate, but the disadvantage is that the entire fixture pillar needs to be replaced when facing different parts, and the cost huge

Chinese patent CN106272130A discloses a flexible fixture for the front cover, which includes a flexible base plate, a connection module, a support positioning mechanism, a cylinder pressing mechanism, and a rough positioning mechanism; Direction adjustment and rotation adjustment around the Z-axis, the chuck replacement interface adopts a square groove with screw structure, but it is still not flexible enough, the production cycle is long, and the processing and manufacturing are inconvenient

[0003] At present, when the thin plate parts such as automobile body panels and chassis parts are welded in trial production, the welding fixtures used have the following disadvantages: 1) The design structure is complicated and the adjustment is inconvenient

The height of the positioning column used to install the positioning and pressing mechanism is also welded and machined. The height is single and cannot be adjusted. It is inconvenient to adjust the height and position; 2) The production cycle is long, the reuse rate is low, and the cost is relatively expensive

After the conventional tooling fixture is used, it needs to occupy a large amount of storage area for storage. In terms of reuse, only the base plate can be reused. If the column needs to be reused, it must be equipped with a special heightening seat before it can be used. The structure is complex. bulky

3) It is inconvenient to move the equipment. Since all parts are assembled by machined parts and welded, the overall weight of the fixture is relatively heavy, about 1000 to 2000kg. When the equipment is moved, two people push and shift it. Do not move

Images