Automatic doffer bobbin clamping device self-adaptive to spindle installation error

Abstract

The invention relates to an automatic doffer bobbin clamping device self-adaptive to a spindle installation error. The device comprises a sliding plate, rub clipping mechanisms, a clamping cylinder and a floating connection plate, wherein the two rub clipping mechanisms are in one set, the two clamping fingers in parallel are respectively connected with a long crank and a short crank via pin rolls to form a parallelogram rotary pair; the clamping cylinder is fixed on the sliding plate, and the front end is connected with the rub clipping mechanism higher pair via a push plate and a running pulley; the push plate drives the long crank via the running pulley to swing to and fro, so as to achieve the rub clipping action of the clamping fingers of the two rubbing clip mechanisms; the sliding plate is provided with a long slot, the floating connection plate is provided with a first hole, and the floating connection plate is installed into the long slot via a second contour bolt passing through the first hole, and the second contour bolt is in clearance fit with the first hole; the rub clipping mechanism is connected with the floating connection plate via a third contour bolt, when an error is found in installation of a spindle during a bobbin rubbing and clamping process of the rub clipping mechanism, the floating connection plate drives the rub clipping mechanism to swing in the long slot around the second contour bolt installed in the first hole to self-adapt to the installation error of the spindle. The device is simple in structure, capable of increasing the pulling quantity of the bobbins, improved in work efficiency, low in cost and stable and reliable in operation.

Description

technical field [0001] The invention belongs to the technical field of textile machinery, and relates to an automatic doffer clamping technical method and device capable of automatically adapting to the pitch error of spinning frame spindles. Background technique [0002] There are about 115 million spindles in my country's cotton spinning industry, and more than 95% of the spindles are installed on spinning frames with less than 480 spindles. Except for a small number of spinning frames that use electric doffers, most spinning frames still use manual doffing. The method is labor-intensive, labor-intensive, and production efficiency is low. Nowadays, it is difficult for textile enterprises in vast areas of our country to recruit workers, and the cost of labor continues to increase. The market demand for automatic doffing machines is increasing day by day. The traditional electric doffing machine adopts the pre-loosening disc and the doffing disc for doffing. The pre-loosenin...

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Problems solved by technology

[0004] In view of the above problems, the present invention installs the rotary bobbin clamping mechanism on the floating connecting plate, which can automatically adapt to the installation error of the spindle, and effectively solves the problem that the number of bobbins pulled out at the same time is small due to the large installation error of the spindle. The problem

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