KR900010377Y1 - Piped seam sewing machine - Google Patents

Abstract

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Description

Edge sewing sewing machine

Fig. 1A is a perspective view of a vibration shaking mechanism of a left feeder of the present sewing machine.

1B is a perspective view of the needle plate.

2 is a side view of the vibration shaking mechanism of the left feeder.

3 is a plan view of the vibration shaking mechanism of the left feeder.

4 is a perspective view of the edge end guide.

5 is a perspective view of the guide folded back.

6 is a rear perspective view of the presser.

7 to 9 are side views of the vibration shaking state of the left feeder mechanism.

10 is a perspective view of the sewing state of the embroidered stitching.

* Explanation of symbols for main parts of the drawings

10: left feed value 11: edge end guide

13: folded back guide 15: push button

C: Needle E: Feeding forward and backward

F: sliding plate

[Detailed Description of Utility Model]

The present invention relates to edge stitching sewing machines which forcibly fold seaming tapes to enable continuous sewing of edge stitching.

The sewing machine is used for home and industrial use. The important parts are the relationship between the main shaft that appears on the exterior of the micro, such as the arm and bed, and the upper shaft, which consists of driving devices such as flywheel, upper shaft, and cheonpyeong, and upper thread. Thread path relationship consisting of thread adjusting device or needle bar, push bar, etc., and drum relationship between big drum, middle and north, bobbin case, bobbin and crank rod, double strand rod, horizontal feeding shaft, vertical feeding shaft, feed value It is comprised as each part of the supply relation which consists of etc.

In such a configuration, the feeder feeds the cloth continuously by one division while vibrating up and down and up and down in conjunction with the up and down operation of the needle.

However, when sewing a seam tape by bending a tape taped at the edge of the cloth as a household or industrial sewing machine, the needle is bent at the fingertips to precisely shape and feed the needle.

On the other hand, there are various parts that are sewn by bending the edges of the fabric, but if none of the fingertips guide the fabric to the parts, the edges of the correct shape are not sewn, and the order of the trimmed parts is intermittent. In order to proceed with the sewing, it is a real situation that the fatigue of the human body is severe in a long sewing work in addition to requiring a high level of skill.

Accordingly, the present invention has been made in view of the above-mentioned point, and an object of the present invention is to provide a guide that can automatically bend the edge of the sewing machine, and a dedicated sewing machine in which the left feeding mechanism of the bent tape is interlocked at the front of the pusher. do.

Therefore, the gist of the present invention for achieving the above object is that the edge end guide and the folded back fixed to the sliding plate make it possible to bend and press the seaming for the edge embellishment on the front right side of the pusher. The front end of the guide is disposed on the front of the needle, and the oscillation shaking mechanism of the left feeder, which is able to oscillate up and down from the front to the left and right, in conjunction with the front and rear feeder, is installed at the bottom of the bed. It is sewing sewing machine.

Since it is comprised as mentioned above, while pressing the seam tape under the cloth and making it contact with the edge edge guide, it presses with a push rod, bends the front end of the folded guide with a cloth, and sticks it between the tape and left feeder As the shape of the bend is corrected, it is pressed as a guide that is folded, so as not to scatter the shape before sewing, and the sewing is continuously performed as a needle while feeding the fabric one by one as a front and rear feeding value.

Hereinafter, embodiments of the present invention will be described with reference to the drawings.

Figure 1a is a perspective view of the vibration shaking mechanism of the left feeder of the sewing machine of the present invention, Figure 1b is a perspective view of the needle plate, Figure 2 is a side view of the vibration shaking mechanism of the left feeder, Figure 3 is a plan view of the vibration shaking mechanism of the left feeder, 4 is an edge end guide perspective view, FIG. 5 is a folded guide perspective view, FIG. 6 is a rear perspective view of the presser, and FIGs. 7 to 9 are vibration shaking states of the left feeder mechanism, and FIG. Show a perspective view.

(A) is the lower shaft, (B) the needle bar, (C) the needle, (D) the push rod, (E) the front and rear feed teeth, (Ea) the front and back feed teeth groove, (F) the sliding plate As a conventional sewing machine. (1) is a haul gear, which is composed of a gear having an inclined tooth fixed to the lower shaft A and having a fixed inclined value fitted to the crankshaft (2), and converting rotation in a perpendicular direction. As a gear to be held, the eccentric is interposed inside while retaining a reduction ratio that is linked to the operation of the needle C and the front and rear feeding teeth E.

Reference numeral 2 denotes a crank shaft, which is inserted into the helical gear 1, and is rotatably fixed to the flange on the rear side of the bed in a state where a part of the other end is protruded to the angular shaft.

(3) is an eccentric shaft, which is provided on the inner plate of the eccentric gear which is coupled to the helical gear 1.

Reference numeral 4 denotes an outer ring, which is rotatably mounted on the shaft provided on the inner plate of the eccentric unit which is coupled to the helical gear 1.

Denoted at 5 is a left feed rod, one of which is fixed to the outer ring of the eccentric, and the other of which is fixed to the vibration shaking cam 6.

(6) is a vibrating shaking cam, which is fixed to the left feeding rod (5) on one side and attached to the left feeding teeth (10) on the upper surface, and freely fixed as a vis, and vibrating shaking cam ( 6) The cam groove 7 which has the surface which slides the cam shaft 8 which penetrated the sieve is provided.

(8) is a camshaft, which has a surface in which the vibration oscillating cam (6) slides in contact with the camshaft (8), and has an eccentric mechanism.

(8) is a camshaft, the camshaft (8) is in contact with the camshaft (8) has a surface on which the oscillating shaking cam (6) slides, and the camshaft height adjustment ring (8) is mounted on one side via an eccentric mechanism and the bed It is rotatably fixed to the flange protruding from the back side.

Reference numeral 9 is a camshaft height adjusting ring, which is configured to operate the eccentric mechanism to adjust the height of the left feeder.

Denoted at 10 is the left feeder, the base can be fixed to the vibrating shake cam 6 as a vis, and the front end is the same as the front-rear feeder E or a pyramidal shape. Install the dentures upright and aligned.

The front part of the left feeder 10 moves so as to vibrate up and down, left and right in front of the needle C, and arranges each part so that it appears when it moves to the right side from the back of the needle plate 12.

11 is an edge end guide, which holds the surface where the end of the edge ornament which folded the tape 17 abuts to hold the left and right positioning grooves, and the right side of the needle C on the upper surface of the needle plate 12. And attach it to the needle plate (12).

12 is a needle plate, which is provided with a front and rear feed tooth groove Ea and a left feed tooth groove 10a in which the front and rear feed value E and the left feed value 10 appear on the upper surface, and the left feed tooth groove 10a. In the front of the c), a backing gap 14 through which the backing portion of the tape 17 can pass is provided and fixed to the bed.

Reference numeral 13 is a folding guide, inclined from the front end of the needle (C) to the side of the edge end guide 11, from the edge end guide 11 to the upper surface of the left feeder (10). Form the blade in the direction, press the tape 17 at the front end from the bottom and form a flexible material that follows the left-hand feed 10 in response to the up and down operation and fixed on the sliding plate (F) of the bed upper surface .

(15) is a depressor, which is provided with an edge fitting guide (11) and a guide fitting portion (16) for access to the needle (C) hole, and at the back, has an abutting surface of the edge decorative tip suitable for sewing work. It is possible to attach to the pressing rod (D) by holding a undulating surface.

The embodiment of the present invention is applied to the industrial sewing machine of the all-rotation method to draw out the power as the helical gear 1 from the lower shaft (A), but the lower side (A) of the household sewing machine to perform the anti-rotation movement In this case, a crank, a vibration cam, or the like may be used, and the left feeder 10 is not particularly limited as long as it is a mechanism that enables vibration fluctuation.

Each part in the embodiment of the present invention operates as follows.

The rotation of the lower shaft A is converted to the orthogonal direction in the helical gear 1 and rotates, and the left feed rod 5 in the eccentric in the helical gear 1 rotatably fixed to the crank shaft 2. The reciprocating motion of the oscillation cam (6), the left feeder (10) from side to side.

The cam groove 7 of the oscillation cam 6 is in sliding contact with the cam shaft 8, and the left feeder 10 is positioned with the cam shaft 8 as the point by the oscillation of the eccentric in the helical gear 1. Rock) to vibrate left and right and up and down (see FIG. 7 and FIG. 9 and FIG. 9).

Therefore, immediately after shaping the tape 17 as the left feeding value, the needle C descends and rises after the filling, and the front and rear feeding value E sends the tape 17 and the glove forward one by one.

Thus, the tape 17 inserted in the lower side of the guide 13 which was folded back and the outer side of the edge end guide 11 as a vibration shaking motion of the left feeder 10 and the front-rear feeder E was folded back space | interval. While passing through (14), it is forcibly trimmed in shape and sewn continuously as the needle (C).

In case of normal straight sewing as the sewing machine in this paper, the pusher 15, the front and rear feeding value E, the left feeding value 10, the needle plate 12, the edge end guide 11, the folded guide ( 13) The basic sewing machine using a single needle is removed by removing and replacing it with a normal back and forth feed, needle tube, and pusher.

As described above, when the tape 17 is initially inserted into the folded guide 13, the edge end guide 11, and the presser 15 of the edge sewing sewing machine of the present invention, the sewing machine is operated. The front and rear feeding teeth (E), left feeding teeth (10), and needles (C), which vibrate and shake, are naturally arranged so that only the tape 17 is folded and sent. Since there is no work, the work efficiency is improved, and even an unskilled person is able to sew the edge of a product with high product value, and there is no finger tip work, so the fatigue of the human body is reduced even during long sewing work.

Claims (1)

In a sewing machine consisting of upper shaft relations, true path relations, drum relations, feeding relations, and parts appearing in the appearance of an arm or a sewing machine, in addition to the front and rear feeding relations components, for sewing the edge at the front right side of the pusher 15; In order to be able to bend and press the seaming, the front end of the edge end guide 11 and the folded guide 13 fixed to the sliding plate F are disposed in front of the needle C, Edge sewing sewing machine, characterized in that the oscillating mechanism of the left feeder (10) which can be vertically oscillated in the left and right directions from the front of the pusher (15) is installed on the bottom of the bed.