Intermittent rotation control mechanism for turntable

Abstract

The invention discloses an intermittent rotation control mechanism for a turntable, which is applied to a turntable type upper-joint injection machine. The mechanism comprises a motor (3), a decelerator (4), a turntable (7) and a base (11); the decelerator is provided with a drive plate (5); two drive wheels (1) are symmetrically arranged on the circle of the upper surface of the drive plate; drive blocks (6) with the same number as that of stations are arranged on the circle of the lower surface of the turntable; the two drive wheels can enter between two adjacent drive blocks respectively; an induction block (12) is also arranged on the turntable adjacent to the drive wheels; and the base is further provided with a sensor (13) which is induced with the induction block. In the mechanism, the drive wheels drive the drive block to rotate the turntable; when the two drive wheels separately enter a vacancy between the two adjacent drive blocks, the turntable stops rotating and stays still to cooperate with the stations of the turntable to finish the tasks; and therefore, the mechanism realizes intermittent rotation of the turntable, accurate positioning, low failure rate and convenient accessory replacement.

Description

1. Technical field [0001] The invention relates to a turntable type continuous side injection machine, in particular to a turntable intermittent rotation control mechanism of the turntable type continuous side injection machine. 2. Background technology [0002] At present, most of the turntable-type continuous side injection machines use a large gear installed under the turntable, and then the turntable and the big gear are installed on the central axis of the turntable through bearings, and a reducer driven by a motor is installed on the machine base. A small gear is installed at the output end of the device and meshes with the large gear under the turntable to drive the turntable to rotate. Each station of the turntable type injection machine is installed on the circumferential surface of the turntable in equal parts. When working, the turntable can only rotate one working position at a time. It should be kept stable, otherwise the entire machine assembly line will not b...

AI Technical Summary

Problems solved by technology

Each station of the turntable type injection machine is installed on the circumferential surface of the turntable in equal parts. When working, the turntable can only rotate one working position at a time. It should be kept stable, otherwise the entire machine assembly line will not be able to work synchronously and harmoniously

The turntable rotation control mechanism has obvious deficiencies: the rotation and positioning of the turntable is not accurate, and secondly, the direct meshing failure rate of the large and small gears is high, and the replacement of parts is more complicated

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