Cutter lifting mechanism for buttonhole cutting device of buttonholing machine
A buttonhole and keyhole machine technology, which is applied in the direction of sewing machine control devices, sewing machine components, textiles and papermaking, etc. It can solve the problem of small gaps, cloth stuck in the gap between two needle plates, and the reduction of buttonholes. Machine-cut buttonhole production efficiency and product yield and other issues, to achieve the effect of simplifying the number of components and occupying volume, increasing the efficiency of cutting processing
Inactive Publication Date: 2015-02-11
CHEE SIANG IND CO LTD
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Problems solved by technology
[0004] However, although the front buttonhole machine has the function of adjusting the length of the buttonhole and the parallelism between the blade and the cutting block, its deficiency lies in that when the cutting block and the blade cooperate with each other for cutting, when the cutting block goes down Move and push the fabric, and the fabric will fall into the gap between the two needle plates and touch the cutter. However, because the gap between the two needle plates and the cutting block is not large, if you directly change the position of the cutting block and directly lower the cutting cutting, which often causes the fabric to be stuck in the gap between the two needle plates, thereby reducing the production efficiency and product yield of the buttonhole machine for cutting buttonholes
Method used
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[0038] In order to facilitate a deeper, clear and detailed knowledge and understanding of the structure, use and characteristics of the present invention, a preferred embodiment is presented, which is described in detail with the accompanying drawings as follows:
[0039] See image 3 As shown, the buttonhole machine of the present invention mainly includes a front part 30, a base 31 part, and a pillar 32 part. The front part 30 has an upper shaft 33, and one end of the upper shaft 33 is subjected to a driving motor (not shown in the figure). ) Is driven to rotate, the other end is provided with a needle bar 34 that can reciprocate up and down, and the front end of the needle bar 34 is provided with a needle 35; a feeding table 36 is arranged on the base 31, and the feeding table 36 can be placed The horizontal coordinates are shifted in the X and Y axis directions, and the above-mentioned feeding table 36 is provided with two pressing plates 37, and each pressing plate 37 is resp...
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The invention relates to a cutter lifting mechanism for a buttonhole cutting device of a buttonholing machine. The cutter lifting mechanism is fitly applied to the buttonholing machine having a function of adjusting length of a cut buttonhole. Relative positions of a hammer and a cutter are alterable, the hammer may be adjusted to a position over a narrow part of a gap of a needle plate, when cloth is placed on the buttonholing machine and subjected to buttonhole cutting, the cutter below is driven by a lifting device and pushes the cloth upward first, the whole buttonhole cutting device is lifted over the surface of the needle plate, and avoided is fact that when the hammer of the traditional buttonholing machine descends to be in contact with the cutter and be lower than the surface of the needle plate, the gap between the hammer and the needle plate is too small and the cloth is jammed.
Description
Technical field [0001] The present invention relates to a buttonhole machine for making buttonholes on sewing objects, in particular to a buttonhole machine that can adjust the relative position of a hammer and a cutter to change the length of the buttonhole, and raise the cutting position to the needle Buttonhole sewing machine with round head above the board. Background technique [0002] See figure 1 As shown, a button hole cutting device of a known buttonhole machine has a blade device 20 arranged on a substrate and cooperates with a cutting block 21, which is driven by a drive rod 22 , Produces a vertical movement relative to the blade 20 device, and is driven by a stepping motor 23 to change the horizontal position with a screw 24 to adjust the relative position of the cutting block 21 and the blade 20, so that the buttonhole machine can perform a one-time cutting action Complete button holes of different lengths. [0003] See figure 2 As shown, the blade device 20 is desi...
Claims
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IPC IPC(8): D05B37/02
CPCD05B37/02D05B69/08D05D2305/08
Inventor 陈满雄
Owner CHEE SIANG IND CO LTD