Spinning melt filtering apparatus

Abstract

The invention relates to a spinning melt filtering apparatus. The spinning melt filtering apparatus comprises a foundation support, a filtering cylinder holder, a melt inlet, a melt outlet, a hydraulic mechanism and a filtering module, wherein the filtering cylinder holder is fixed on the upper portion of the foundation support, the upper portion of the filtering cylinder holder is provided with afiltering cylinder, the front upper portion of the filtering cylinder holder is provided with a filtering module cavity to be cleaned, and the rear upper portion is provided with a filtering module cavity to be used; the melt inlet and the melt outlet correspond to each other in the lateral direction and are respectively connected with the filtering cylinder; the hydraulic mechanism is fixed on the foundation support at the position corresponding to the rear end of the filter cylinder holder; the filtering module is arranged in the filtering cylinder cavity and corresponds to a position between the melt inlet and the melt outlet, the middle portion of the filtering module is provided with a filtering net seat cavity, a filtering net is arranged in the filtering net seat cavity, when the filtering net is blocked to change the filtering module to the filtering module to be cleaned, the filtering module stored in the filtering module cavity to be used is pushed to the filtering cylindercavity under the action of the hydraulic mechanism so as to replace the filtering module to be cleaned, and the filtering module to be cleaned enters the cleaning filtering module cavity. By adoptingthe spinning melt filtering apparatus, the structure of the hydraulic mechanism is simplified; the filtering module replacement efficiency is high; and the convenience in maintenance and cleaning canbe realized.

Description

technical field [0001] The invention belongs to the technical field of melt spinning equipment, and in particular relates to a spinning melt filtering device. Background technique [0002] As known in the industry, to produce polyester fibers by melt spinning, a filter device needs to be set at a position corresponding to the melt output end of the screw extruder, that is, the melt extrusion end, and usually two filter devices are used, and each filter device has a filter. When there are many impurities attached to the filter screen of the filter device, it will affect the normal filtration of the melt. Due to the use of two filter devices, the uninterrupted filtration of the melt can be ensured by switching. For example, when the aforementioned filter screen on one filter device is severely blocked by impurities and cleaning is carried out, the other filter that is on standby The filter unit takes over so that the filtration of the melt is not interrupted during the cleani...

AI Technical Summary

Problems solved by technology

This patent application scheme has the following shortcomings: one, due to the need to open a filter chamber for setting the filter screen on the piston rod, thereby increasing the structural complexity of the entire hydraulic mechanism; Once the aforementioned filter mesh cavity on the piston rod is difficult to obtain the matching effect with the filter mesh due to factors such as wear and tear, the filter mesh will become loose or deformed, which will affect the filtration of the melt, and even cause the filter mesh to come out. The filter cavity is stuck at the inlet and outlet channels of the melt, which increases the difficulty of inspection; third, because the filter is detachable and snapped into the filter cavity on the piston rod, it can be taken out and cleaned. The filter must be driven out of the filter cavity with the help of corresponding tools, and there is a risk of damaging the filter with tools

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