JPS61205477U - - Google Patents

Description

[Brief explanation of the drawing]

The drawings relate to embodiments of the present invention; FIG. 1 is a perspective view of a sewing machine according to the first embodiment of the present invention, and FIG. 2 is a control system of a stepping motor for feed control according to the first embodiment of the present invention. FIGS. 3 to 6 are views common to the first and second embodiments of the present invention, FIG. 3 is a plan view of the vertical and horizontal feed mechanism, and FIG. A cross-sectional view taken along arrow A-A in the figure, Figure 5 is
FIG. 6 is a cross-sectional view taken along the line C--C in FIG. 7 is a diagram showing a state in which the vertical feed amount is O feed in the feed control state, FIG. 8 is a diagram showing a state in which the horizontal feed amount is O feed in the horizontal feed control state, and FIG. Figures to Figures 12 relate to the second embodiment of the present invention, Figure 9 is a diagram showing the control system of the stepping motor for amplitude control, and Figures 10 to 12 are the control states by the stepping motor for amplitude control. Fig. 10 is a diagram showing the state of the needle drop M in the amplitude control state, Fig. 11 is a diagram showing the switching process from the amplitude control state to the lateral feed control state, and Fig. 12 is the lateral feed control state. It is a figure which shows the state where the horizontal feed amount in is O feed. 1 is a needle bar, 3 and 50 are amplitude control actuators, 24 is a feed fork for vertical feed, 33 is a square piece, 38
6 is a feed control actuator, and 60 is a lateral feed mechanism.

Claims (1)

[Scope of Claim for Utility Model Registration] 1. In a computer sewing machine that is equipped with an amplitude control actuator that controls the amplitude of the needle bar and a feed control actuator that controls the forward and backward feeding of the fabric, 1. A vertical and horizontal feed computer sewing machine, comprising a feed mechanism, and one of the two actuators is configured to be switchable as a cross feed actuator for controlling the cross feed mechanism. 2. The vertical and horizontal movement according to claim 1, wherein the switchable actuator is a feed control actuator, and when the actuator controls the lateral feed mechanism, the vertical feed amount is set to O feed. Feeding computer sewing machine. 3. Utility model registration claim 1, characterized in that the switchable actuator is an amplitude control actuator, and when the actuator controls the horizontal feed mechanism, the feed control actuator can control the vertical feed at the same time. Vertical/horizontal feed computer sewing machine as described in section. 4. The vertical and horizontal feeding computer according to claim 1, 2 or 3 of the utility model registration claim, characterized in that the square piece of the horizontal feeding mechanism is swung by a feeding fork for vertical feeding. sewing machine.