Minisize bidirectional over-travel extending-and-contracting mechanism

Abstract

The invention relates to a minisize bidirectional over-travel extending-and-contracting mechanism. The minisize bidirectional over-travel extending-and-contracting mechanism comprises a fixing stage,a middle extending-and-contracting stage, an outer side extending-and-contracting stage, a first driving belt and a second driving belt. The fixing stage is integrally provided with a first guide rail, a second guide rail, a first partition plate, a first sliding groove and a second sliding groove. The middle extending-and-contracting stage is integrally provided with a third guide rail, a fourthguide rail, a fifth guide rail, a third sliding groove, a fourth sliding groove and a fifth sliding groove. Multiple strip-shaped holes are formed in the middle extending-and-contracting stage. A strip-shaped groove is formed in the lower side face of the middle extending-and-contracting stage and internally provided with a transmission rack. The outer side extending-and-contracting stage is integrally provided with a first protruding portion, a second protruding portion, a sixth sliding groove and a second partition plate. One end of the first driving belt is fixed to the side face of the fixing stage, and the other end of the first driving belt penetrates the corresponding strip-shaped hole and then is fixed to the side face of the outer side extending-and-contracting stage. One end of the second driving belt is fixed to the side face of the fixing stage, and the other end of the second driving belt penetrates the corresponding strip-shaped hole and then is fixed to the side face ofthe outer side extending-and-contracting stage. The minisize bidirectional over-travel extending-and-contracting mechanism has the advantages that the space is saved, and the minisize bidirectional over-travel extending-and-contracting mechanism is convenient to drive, steady in operation and long in travel.

Description

technical field [0001] The invention belongs to the technical field of mechanical transportation, and in particular relates to a miniature two-way over-travel telescopic mechanism. Background technique [0002] In the process of mechanical handling, it usually requires a handling device with bidirectional telescopic function to do linear motion to carry objects. The current handling device that can do linear motion back and forth and has bidirectional telescopic function is mostly driven by a chain, and the chain occupies The space of the transport mechanism is relatively large, resulting in a relatively large and heavy volume of the transport mechanism, which increases the load of the transport mechanism itself, so that a large driving force is required to drive the transport mechanism to perform bidirectional expansion and contraction, and a driving motor with a large power is required to enable bidirectional expansion and contraction. The linear movement of the mechanism ...

AI Technical Summary

Problems solved by technology

[0002] In the process of mechanical handling, it usually requires a handling device with bidirectional telescopic function to do linear motion to carry objects. The current handling device that can do linear motion back and forth and has bidirectional telescopic function is mostly driven by a chain, and the chain occupies The space of the transport mechanism is relatively large, resulting in a relatively large and heavy volume of the transport mechanism, which increases the load of the transport mechanism itself, so that a large driving force is required to drive the transport mechanism to perform bidirectional expansion and contraction, and a driving motor with a large power is required to enable bidirectional expansion and contraction. The linear movement of the mechanism leads to a large space occupied by the entire handling device, and the structure of the entire device is complicated, which is not conducive to the overall operation of the device and seriously affects the flexibility of equipment operation

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