Thread trimming device and embroidery machine with thread trimming device

Abstract

The invention discloses a thread trimming device. The thread trimming device comprises a mounting plate, a thread clamping mechanism, a scissors mechanism, and a controller; the thread clamping mechanism comprises a second motor, a second crank connecting rod assembly, a thread clamping piece, and a clamping base; the clamping base is fixed to the mounting plate; the middle of the thread clamping piece is hinged to the clamping base; one end of the thread clamping piece is connected with the second crank connecting rod assembly; the second crank connecting rod assembly is connected with the second motor; the thread clamping piece is driven by the second motor to rotate relative to the clamping base, so that the thread clamping piece and the clamping base are opened and closed to loosen or clamp an embroidery thread; the scissors mechanism comprises a first motor, a fixed cutter and a movable cutter; the movable cutter comprises a first connecting rod located below the mounting plate and a cutter hinged to one end of the first connecting rod; the fixed cutter is fixed to the lower surface of the mounting plate; the first motor is connected with the other end of the first connecting rod through a first crank connecting rod assembly; when the embroidery thread is clamped by the thread clamping mechanism, the movable cutter is driven to move, so that the cutter and the fixed cutter are opened and closed; and the controller is connected with the first motor and the second motor. The invention also discloses an embroidery machine.

Description

technical field [0001] The invention relates to the field of embroidery equipment, in particular to a thread cutting device and an embroidery machine equipped with the thread cutting device. Background technique [0002] Embroidery machine is the most advanced embroidery machine in the contemporary era, which can realize traditional manual embroidery with high speed and high efficiency. Toothbrush embroidery is a new type of embroidery that appears. In the ordinary embroidery process, an auxiliary material (such as EVA) of a certain height is added to the fabric. , Just formed the same embroidery of toothbrush shape, yet in the existing toothbrush embroidery embroidery process, each stitch needs to be manually trimmed. Contents of the invention [0003] The technical problem to be solved by the present invention is to provide a thread cutting device and an embroidery machine with the thread cutting device. [0004] In order to solve the above technical problems, accordin...

AI Technical Summary

Problems solved by technology

Toothbrush embroidery is a new type of embroidery that appears. In the ordinary embroidery process, an auxiliary material (such as EVA) of a certain height is added to the fabric. , the embroidery with the same shape as a toothbrush is formed. However, in the existing toothbrush embroidery process, the thread needs to be trimmed manually after each stitch is embroidered.

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