Safety alarm device of computerized flat knitting machine

Abstract

The invention provides a safety alarm device of a computerized flat knitting machine, belonging to the technical field of computerized flat knitting machines. The device comprises a base, a signal collector, a base cover plate, a cam piece, a contact pin actuating mechanism and a probe piece, wherein the base is provided with a signal collector cavity; a push plate hole is arranged at one side ofthe signal collector cavity; the signal collector is arranged in the signal collector cavity and is electrically connected with a controller by a circuit; the base cover plate is matched with the base; a containing cavity is arranged at one side of the base cover plate; a slider cavity is arranged at one side of the containing cavity in a concave manner; a shaft head hole is arranged in the containing cavity on the base cover plate; a central shaft is arranged at one side of the cam piece; the central shaft is arranged in a central shaft hole of the base; a shaft head is arranged at the side facing to the base cover plate, of the cam piece; the shaft head is arranged in the shaft head hole; the tail end of the shaft head forms a probe piece base; the contact pin actuating mechanism is arranged in the slider cavity and is matched with a signal collection contact pin and the cam piece; and an adjusting groove is arranged at one end of the probe piece and the base cover plate extends from the other end of the probe piece. The device has the following advantages: the device can avoid false alarm, has a more concise structure and is beneficial to floating cloth actuation; and the probepiece can be adjusted as required in the range of the adjusting groove.

Description

technical field [0001] The invention belongs to the technical field of computerized flat knitting machines, in particular to a safety alarm device for computerized flat knitting machines. Background technique [0002] The safety alarm device of the computerized flat knitting machine is also called a probe device, also known as a floating fabric detection mechanism, which is installed on the head of the computerized flat knitting machine and moves randomly. When the knitting needles on the needle bed (also known as the needle board) are in a static state due to damage, they will be touched by the safety alarm device and the alarm will be triggered, so that the computerized flat knitting machine will be shut down, and the damaged knitting needles will be replaced to resume work. [0003] In the literature, especially in the Chinese patent literature, the safety alarm device used to play the above role can be seen. For example, the utility model authorization announcement numbe...

AI Technical Summary

Problems solved by technology

One of the common shortcomings of these two patent schemes is that the probe sheet cannot be automatically restored and needs to be adjusted manually, so it is more troublesome. In particular, if the adjustment is neglected, false alarms will be caused; It is troublesome to manufacture, install or maintain; thirdly, the probe piece is rotatably limited on the probe shaft by the pin screw, and the pin screw has a large pressing force on the probe, so it is difficult to actuate the probe by the soft floating cloth. The concept of needle sheet and floating cloth is: when there is abnormality in the weaving process, or when the traction of the main and auxiliary rollers to the knitted fabric is abnormal, the cloth surface will float out of the needle plate mouth, and the floating part is called floating cloth.

If this phenomenon is not eliminated in time, it will seriously affect the smooth progress of the weaving work, and even affect the quality of the braided fabric.

As mentioned above, because the braid is relatively soft, it is difficult to actuate the deflection of the probe sheet, and the due alarm function cannot be achieved; fourth, the probe sheet is limited to the probe shaft by the pin shaft screw in a pivotal manner, so it cannot be adjust

Images