Bidirectional internal lock pressure riveting connecting device

Abstract

The invention discloses a bidirectional internal lock pressure riveting connecting device which is used for forming a double-internal-lock mechanical structure in two stages; main components comprisea first pressure riveting mechanism, a second pressure riveting mechanism, a side sliding mechanism, a power mechanism and other components; the power mechanism and the other components are connected,and the first pressure riveting mechanism comprises a first stamping die, elastic rubber and the like; the second rivet pressing mechanism comprises a second stamping die, a third stamping die and the like; the second stamping die, the third stamping die and a lower die plate are connected with an upper die base and an upper die plate through bolt guide columns; the side sliding mechanism comprises a side sliding core, a semicircular sliding block, elastic rubber and the like, and the side sliding mechanism can ensure that the second stamping die and the third stamping die form a composite stamping die to be pressed into a plate together in the first stage and the second stamping die is separated from the third stamping die to move upwards without being hindered in the second stage; the first pressure riveting mechanism is arranged below a connected material, the second pressure riveting mechanism and the side sliding mechanism are arranged at the upper end, the connected material isarranged in the middle, and all the mechanisms are coaxial, connected with one another and cooperate with one another to ensure that a pressure riveting joint is good in formability. According to thedevice, a bidirectional internal locking structure of the pressure riveting connecting point can be formed in a single device, compared with an existing single-internal-locking pressure riveting joint, the appearance is more attractive, the joint strength and the production efficiency are improved to a large extent, and the application range is flexible and wide.

Description

technical field [0001] The invention belongs to the technical field of thin plate material connection, and in particular relates to a two-way internal locking pressure riveting connection device which effectively reduces the height of a pressure riveting joint and improves the strength of the joint. Background technique [0002] In the production and processing of industrial products, there are many connection methods between workpieces. In the field of sheet material connection, the TOX connection method is one of the widely used mechanical connection methods at present. It uses a special mold to cold-extrude the sheet under the action of external force. Deformation forces the connected material to undergo plastic flow at the connection point, and the mosaic connection point is formed by metal plastic deformation, thereby realizing material connection. However, the connection point formed by this method is a one-way internal locking structure, and there are usually problems...

AI Technical Summary

Problems solved by technology

However, the connection point formed by this method is a one-way internal locking structure, and there are usually problems such as insufficient connection point strength or high protrusion height. In addition, for some applications that require high connection strength, the TOX method requires multiple connections. , not only the process is cumbersome but also inefficient

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