CN104233636A - Shoe upper computer sewing machine - Google Patents

Abstract

The invention discloses a computerized sewing machine for shoe uppers, which comprises steel wire spring clips, stitches, a starting point, an end point, a stitch template, and a stitch channel. , There are stitches in the stitch channel, the beginning and the end of the stitches are the starting point and the end point respectively, and the upper fabric is fixed on the sewing machine movement platform through a plurality of steel wire spring clips. The invention has the advantages of simple structure, good sewing effect, good pattern consistency of the sewn vamp, and can operate multiple sets, greatly improving the production efficiency.

Description

Upper Computer Stitching Machine

technical field

The invention relates to the field of sewing processing, in particular to a computerized sewing machine for shoe uppers. the

Background technique

When the traditional computer sewing machine sews shoes, due to the poor fixing effect, it is easy to produce misalignment, and the patterns sewn by different shoe sizes are not the same, resulting in defective products, which greatly reduces the efficiency and efficiency of shoe upper sewing. quality. At present, the stitching of the upper in the shoemaking industry all adopts the working method that the motor is driven to control the stitches by manual feeding. This has just caused the quality of sewing products to be unstable and the production efficiency to be low. the

At present, computerized lockstitch sewing machines and embroidery machines cannot sew vamps well. The reason is that in the existing equipment: ①The mobile platform supports the workpiece with cloth or the like as a board surface to carry the workpiece, which cannot guarantee the service life for the graphics that use the same track for a long time, and the workpiece shakes up and down during the processing process, front and rear, left and right Vibration makes processing inaccurate. ②The fixing of the workpieces in the existing equipment all adopts adhesive tape or the like, which is operated one by one, which is complicated, wastes materials, and has low efficiency. It is difficult to fix our workpieces. ③Pressure foot of existing equipment Some adopt the roller type, but when sewing, the needle running track (relative to the workpiece) is non-linear such as a curve or a circle, and the rolling direction of the roller cannot be consistent with the direction of the needle movement. Because both the roller and the machine needle are fixed on the machine head, the relative positions are fixed, and the roller cannot move relative to the machine needle. Some are instep. Always presses against the workpiece during the sewing operation, which rubs the workpiece. Some presser feet are like walking, lift up to press the workpiece and push back, and then lift up to press the workpiece and push back. Repeatedly, rub the workpiece in the same way. If the seam is curved or round, the same as As described, the task cannot be completed. Some presser feet press the workpiece by random needle movement up and down, which solves the problem However, the machine needle cannot press the workpiece before it penetrates into the workpiece, nor can it press the workpiece when the needle is pulled out of the workpiece, so that the needle drives the workpiece to vibrate up and down when it reciprocates up and down to penetrate and pull out the workpiece. Thereby make sewing seam deviate from correct track, make seam not attractive in appearance, produce larger processing deviation.

Contents of the invention

Aiming at the deficiencies in the prior art, the purpose of the present invention is to provide a computerized vamp sewing machine, which has a simple structure, good sewing effect, good consistency of the stitched vamp graphics, and can operate multiple sets, greatly improving production efficiency. the

In order to achieve the above object, the present invention is achieved through the following technical solutions: computerized shoe upper sewing machine, including steel wire spring clips, stitches, starting point, end point, stitch template, stitch channel, and a stitch template is arranged under the upper fabric , the stitch template is provided with a stitch groove, and the stitch groove is provided with a stitch, the beginning and the end of the stitch are the starting point and the end point respectively, and the shoe upper fabric is fixed on the sewing machine movement platform through a plurality of steel wire spring clips; The outer ring of the groove is provided with a plurality of work-defining coamings, and the four corners of the stitch template are provided with bolt holes. the

The sewing needle of the computerized sewing machine is equipped with a roller presser foot. the

When the present invention works, the stitch template is fixed on the mobile platform, and the workpiece to be sewn is placed on the stitch template, so that the stitching track is completely aligned with the start and end track of the mold groove. Then clamp with wire spring clips. Then align the sewing needle with the starting point P of the workpiece as the starting point of the needle, and align the end point with the needle as the end point of the needle. Finally, check whether the points on the mold are consistent with the starting and ending stitches of the machine needle, so as to be accurate. the

The present invention has the following beneficial effects:

1. Replace the supporting fabric on the original mobile platform with a metal stitch template, which prolongs the service life and makes the processing more stable.

2. The method of clamping and pressing the workpiece with a steel wire spring makes the workpiece fixed more firmly, the operation is more convenient and fast, and at the same time saves raw materials and improves production efficiency. the

3. Replace the original presser foot with the improved presser foot, so that the processing is more stable, the stitches are more accurate and beautiful, and the quality is improved. The operation of the stitches is carried out by computer instructions, so that the stitches are beautiful, consistent in standard, reliable in quality, easy to operate, reduce physical labor, improve work efficiency, and reduce production costs. the

Description of drawings

Describe the present invention in detail below in conjunction with accompanying drawing and specific embodiment;

Fig. 1 is a structural representation of the present invention;

Fig. 2 is the structural representation of roller presser foot of the present invention;

Fig. 3 is the structural representation of stitch template of the present invention;

Fig. 4 is the top view of Fig. 3;

Fig. 5 is an overall structural diagram of the present invention.

the

Detailed ways

In order to make the technical means, creative features, goals and effects achieved by the present invention easy to understand, the present invention will be further described below in conjunction with specific embodiments. the

With reference to Fig. 1-5, present embodiment adopts following technical scheme: vamp computer stitching machine, comprise steel wire spring clip 2, stitch 3, starting point 4, end point 5, stitch template 6, stitch channel 7, upper fabric 1 is provided with a stitch template 6, a stitch channel 7 is arranged on the stitch template 6, and a stitch 3 is arranged in the stitch channel 7. The spring clip 2 is fixed on the moving platform of the sewing machine; the outer ring of the stitch channel 7 is provided with a plurality of work limiting panels 61 , and the four corners of the stitch template 6 are provided with bolt holes 62 . the

The sewing needle 8 of the computerized sewing machine is equipped with a roller presser foot to prevent the position of the workpiece, the stitch template and the shuttle platform from being disturbed when the needle is reciprocating up and down, so as to sew stably and accurately. the

Described roller presser foot comprises overcoat cover plate 91, presser foot inner stamen 92, screw 93, presser foot overcoat 94 and spring 95, is provided with sewing needle 8 through needle bar 12 below machine head 11, and needle bar 12 bottom is covered with pressing pin. The inner core 92 of the foot, the inner core 92 of the presser foot is covered with an overcoat cover plate 91, the overcoat cover plate 91 is fixed with the needle bar 12 by a screw 93, the sewing needle 8 is covered with a spring 95, and the spring 95 is arranged on the inner core 92 of the presser foot Inside. the

In this specific embodiment, the stitched graphics are input in the software, and after the shoe material (surface cloth, lining cloth, head leather) is placed on the motion platform of the computer sewing machine, it needs to be fixed with a steel wire spring clip 2, and the stitch template is placed on the After the stitching trajectory generated during the movement (as shown in Figure 1), start the sewing machine, and stitch according to the production trajectory, wherein, during work, the slots and grooves of the templates with different shapes and sizes of different shoes

Adjustable positioning of the needle movement trace.

In this specific implementation, metal stitch templates are used to replace the supporting fabric on the original mobile platform, which prolongs the service life and makes the processing more stable. The method of clamping and pressing the workpiece with steel wire springs makes the workpiece more firmly fixed, and the operation is more convenient and fast, and at the same time saves Raw materials have improved production efficiency, and the improved presser foot is used to replace the original presser foot, which makes the processing more stable, the stitches are more accurate and beautiful, and the quality is improved. The operation of the stitches is carried out by computer instructions, so that the stitches are beautiful, consistent in standard, reliable in quality, easy to operate, reduce physical labor, improve work efficiency, and reduce production costs. the

The above is only a preferred embodiment of the present invention, it should be pointed out that for those of ordinary skill in the art, without departing from the principle of the present invention, some improvements and modifications can also be made, and these improvements and modifications should also be It is regarded as the protection scope of the present invention. the

Claims (1)

1. A computerized sewing machine for shoe uppers, characterized in that it includes steel wire spring clips (2), stitches (3), starting point (4), end point (5), stitch template (6), and stitch channel (7) , a stitch template (6) is arranged below the shoe upper fabric (1), a stitch channel (7) is arranged on the stitch template (6), a stitch (3) is arranged in the stitch channel (7), and a stitch (3 ) are respectively the starting point (4) and the end point (5), and the shoe upper fabric (1) is fixed on the sewing machine motion platform by a plurality of steel wire spring clips (2); A working limit panel (61), and the four corners of the stitch template (6) are provided with bolt holes (62), the sewing needle (8) of the computerized sewing machine is equipped with a roller presser foot; the roller presser foot includes Overcoat cover plate (91), presser foot inner stamen (92), screw (93), presser foot overcoat (94) and spring (95), machine head (11) below is provided with sewing needle (8) by needle bar (12) ), the bottom of the needle bar (12) is covered with a presser foot inner core (92), and the outside of the presser foot inner core (92) is covered with an overcoat cover plate (91), and the overcoat cover plate (91) is connected with the needle bar (93) by a screw (93) 12) fixedly, the sewing needle (8) is covered with a spring (95), and the spring (95) is arranged in the inner stamen (92) of the presser foot.