CN214782539U

CN214782539U - Belt pattern sewing device

Info

Publication number: CN214782539U
Application number: CN202120147715.5U
Authority: CN
Inventors: 雷岳均
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-01-20
Filing date: 2021-01-20
Publication date: 2021-11-19
Anticipated expiration: 2031-01-20

Abstract

The utility model discloses a belt pattern sewing device, which comprises an upper needle head part, a lower needle head part and a sewing machine seat plate, wherein the sewing machine seat plate separates the upper needle head part and the lower needle head part, the upper needle head part is provided with an adjustable needle head seat and a double-needle hole, the angle of the adjustable needle head seat is adjusted through screw threads, and the double-needle hole is positioned on the adjustable needle head seat; the lower needle head comprises a transmission synchronizing piece, a first dividing hook, a second dividing hook and a fixing plate, the transmission synchronizing piece is fixed on the fixing plate, the first dividing hook and the second dividing hook are respectively connected with the transmission synchronizing piece, the transmission synchronizing piece enables the first dividing hook to transversely shift back and forth, and the transmission synchronizing piece enables the second dividing hook to longitudinally shift back and forth. The utility model discloses a band decorative pattern sewing method and device design scientific and reasonable has following advantage: the automatic sewing with patterns is realized, the production efficiency is high, the pattern sewing is realized on the fine side belt sewing, and the automatic production is also realized.

Description

Belt pattern sewing device

Technical Field

The utility model relates to a sewing machine or sewing machine technical field, concretely relates to can make decorative pattern and adjust band decorative pattern sewing device of base line angle by single line sewing.

Background

A sewing machine is a machine that uses one or more sewing threads to form one or more stitches in a material to be sewn, thereby interweaving or stitching one or more layers of material. The sewing machine can sew fabrics such as cotton, hemp, silk, wool, rayon and the like and products such as leather, plastics, paper and the like. Along with the continuous improvement of living and consumption levels of people, higher requirements are put forward on the appearance, the structure, the performance, the delicacy and the like of the luggage, and higher requirements are put forward on a luggage sewing machine for sewing the luggage, particularly shoulder straps, some decorative straps or delicate small straps of the ladies' bags.

Shoulder straps or some decorative straps of ladies' bags need to be sewn to enable two sides to be firm and have aesthetic feeling, and beautiful lines are generally sewn by hands at present. The work efficiency is very low, and a skilled technician is needed, and the beautiful pattern sewing cannot be performed if the operation is slightly improper.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a band decorative pattern sewing method and device that make efficient and form the line pleasing to the eye.

In order to overcome the defects in the prior art, the utility model adopts the following technical scheme:

a belt pattern sewing method comprises the following steps,

step one, mounting a sewing needle and a thread hooking needle on an adjustable needle head seat, adjusting the angle of the needle head seat, and pressing a presser foot to press a sewed object;

secondly, the sewing thread penetrates through a needle hole of the sewing needle, the sewing machine is started, and the sewing needle and the thread hooking needle fall down and are sewn on the sewn object at the same time;

step three, the first thread dividing hook below the needle vehicle seat plate misplaces and deflects the sewing thread of the sewing needle, the sewing needle continuously moves downwards, and the second thread dividing hook continuously deflects the sewing thread;

and step four, the thread hooking needle hooks the offset sewing thread of the first thread dividing hook, the sewing needle moves the second thread dividing hook upwards to loosen, and the step two and the step three are repeated, so that staggered pattern sewing is realized.

Furthermore, after the thread hooking needle hooks the offset sewing thread of the first line dividing hook in the fourth step, the sewing thread is pressed tightly by the presser foot, and the second section of sewing thread hooked after the thread hooking needle moves downwards passes through the sewing thread ring hooked for the first time, so that a line of texture thread is hooked.

Furthermore, in the fourth step, the sewing needle moves upwards, and a section of sewing thread is fixed on the thread hooking needle, so that a row of one-way threads are hooked.

A belt pattern sewing device comprises an upper needle head part, a lower needle head part and a sewing machine seat plate, wherein the sewing machine seat plate separates the upper needle head part and the lower needle head part, the sewing machine seat plate is positioned on a sewing machine working platform, an adjustable needle head seat and a double-needle hole are arranged on the upper needle head part, the adjustable needle head seat is connected to an upper needle head transmission part of a sewing machine through threads, the angle of the adjustable needle head seat is adjusted through the threads, and the double-needle hole is positioned on the adjustable needle head seat; the lower needle head comprises a transmission synchronizing piece, a first dividing hook, a second dividing hook and a fixing plate, the transmission synchronizing piece is fixed on the fixing plate, the first dividing hook and the second dividing hook are respectively connected with the transmission synchronizing piece, the transmission synchronizing piece enables the first dividing hook to transversely shift back and forth, and the transmission synchronizing piece enables the second dividing hook to longitudinally shift back and forth.

Further, the transmission synchronizing part comprises a connecting crank, a synchronous rotating shaft and a steering connecting rod, one end of the connecting crank is connected with a driving shaft of the sewing machine, the connecting crank is connected with the synchronous rotating shaft, the steering connecting rod is connected with the synchronous rotating shaft, the second dividing hook is connected with the synchronous rotating shaft, and the steering connecting rod is connected with the first dividing hook.

Furthermore, the steering connecting rod is composed of an adjusting steering joint, a spherical steering rod and a steering seat, one end of the adjusting steering joint is connected with the synchronous rotating shaft, the other end of the adjusting steering joint is connected with the spherical steering rod in an adjusting mode, and the spherical steering rod is connected with the steering seat.

Furthermore, the steering seat is a steering seat capable of rotating transversely, and the first dividing hook is fixed on the steering seat.

Furthermore, a notch hook head is arranged on the first dividing hook, and an L-shaped hook tip formed by the notch hook head is matched with the second dividing hook.

Furthermore, a V-shaped hook head is arranged on the second dividing hook, and the V-shaped hook head is matched with the L-shaped hook tip of the notch hook head.

Furthermore, a feeding rack is arranged on the needle sewing machine seat plate and is linked with a driving shaft of the needle sewing machine.

Further, the adjusting angle of the adjusting steering joint is 0-180 degrees.

Furthermore, two presser feet are further arranged on the upper needle head part, a needle hole through which the needle head penetrates is formed in one presser foot, and the other presser foot is matched with the feeding rack.

The utility model discloses a band decorative pattern sewing method and device design scientific and reasonable has following advantage: the automatic sewing with patterns is realized, the production efficiency is high, the pattern sewing is realized on the fine side belt sewing, and the automatic production is also realized.

Drawings

In order to illustrate the embodiments of the present invention or the technical solutions in the prior art more clearly, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained without inventive exercise according to the drawings:

FIG. 1 is a schematic view of the belt pattern sewing method and apparatus of the present invention;

FIG. 2 is a schematic view of a belt pattern sewing device;

FIG. 3 is an exploded view of the belt pattern sewing apparatus of FIG. 2;

FIG. 4 is a schematic view of a first thread dividing hook of the belt pattern sewing device;

FIG. 5 is a schematic view of a second thread dividing hook of the tape pattern sewing device;

FIG. 6 is a schematic view showing patterns on both sides of a sewn article by a belt pattern sewing method;

in the drawings: 1-mounting the needle head; 2-setting the needle head; 3-a sewing machine seat plate; 4-presser foot; 11-adjustable needle mount; 12-double needle holes; 21-a transmission synchronization member; 22-a first dividing hook; 23-a second dividing hook; 24-a fixing plate; 210-connecting a crank; 211-synchronous shaft; 212-a steering linkage; 213-adjusting the steering joint; 214-spherical steering rods; 215-a steering seat; 221-notched hook; 231-V-shaped hook; 31-feeding rack.

Detailed Description

The present invention will be described in detail with reference to the drawings and specific embodiments, and the exemplary embodiments and descriptions of the present invention are used to explain the present invention, but not to limit the present invention.

As shown in the schematic diagram of the sewing line routing on the coordinate axis in fig. 2 and in fig. 1, a tape pattern sewing method comprises the following steps,

step one, installing a sewing needle and a thread hooking needle on an adjustable needle head seat 11, adjusting the angle of the needle head seat 11, accurately setting the rotation angle of a thread to be 0-180 degrees, setting the formed angle as the thread running angle of the back surface after sewing (as shown in figure 6), pressing a sewed object by a presser foot 4, and preventing the thread from deviating or failing to enter the needle position of the thread hooking when sewing;

thirdly, the first dividing hook 22 below the sewing machine seat plate transversely shifts and offsets the sewing thread of the sewing needle, the sewing needle continuously moves downwards, the second dividing hook 23 continuously shifts the sewing thread longitudinally, so that the sewing thread is changed into two dimensions, and finally, after the sewing thread is formed by pulling, a pattern sewing thread path is formed on the upper surface of the sewed object;

and step four, the thread hooking needle hooks the sewing thread deviated by the first thread dividing hook 22, the hooked sewing thread is fed forwards and forms a lantern ring, the lantern ring is arranged on the surface of the sewed object after the thread hooking needle moves downwards, and the hooked sewing thread moves forwards to form the single-side pattern thread.

The sewing needle moves upwards and loosens the second thread dividing hook 23, and the sewing needle pulls the sewing thread to move upwards and then feeds forwards to form a common sewing single-line thread; and repeating the second step and the third step to realize staggered pattern sewing.

Specifically, after the thread hooking needle hooks the offset sewing thread of the first thread dividing hook 22 in the fourth step, the sewing thread is pressed by the presser foot, and the second section of the sewing thread hooked after the thread hooking needle moves down passes through the sewing thread loop hooked for the first time, so that a line of texture thread is hooked. In the fourth step, the sewing needle moves upwards, and a section of sewing thread is fixed on the thread hooking needle, so that a row of one-way threads are hooked.

Thus, a single-side pattern stitch and a single-side pattern stitch are formed on the upper surface of the sewed fabric, and the combination of the single-side pattern stitch and the single-side pattern stitch is a pattern. A single line of inclined lines is formed on the lower surface of the sewed fabric (as shown in fig. 6).

A belt pattern sewing device is mainly applied to a needle head part of a sewing machine or a sewing machine, and can be connected with a transmission shaft of a needle head of a common sewing machine or a sewing machine conveniently, quickly and widely. The belt pattern sewing device comprises an upper needle head part 1, a lower needle head part 2 and a sewing machine seat plate 3, the upper needle head part 1 and the lower needle head part 2 are separated by the sewing machine seat plate 3, the sewing machine seat plate 3 is positioned on a sewing machine working platform, and the original sewing machine seat plate of a sewing machine or a sewing machine can be adopted during installation. The adjustable needle head part 1 is provided with an adjustable needle head seat 11 and a double-needle hole 12, the adjustable needle head seat 11 is connected to an upper needle head transmission part of a sewing machine through threads, the angle of the adjustable needle head seat 11 is adjusted through the threads, the double-needle hole 12 is positioned on the adjustable needle head seat 11, one of the double-needle hole 12 is used for placing a thread hooking needle, the other is used for placing a common sewing needle, and the adjustable needle head seats 11 of different models are selected according to the thickness of threads.

Specifically, the lower needle head part 2 comprises a transmission synchronizing part 21, a first dividing hook 22, a second dividing hook 23 and a fixing plate 24, the transmission synchronizing part 21 is fixed on the fixing plate 24, the fixing plate 24 is fixedly connected with a sewing machine, the first dividing hook 22 and the second dividing hook 23 are respectively connected with the transmission synchronizing part 21, the transmission synchronizing part 21 enables the first dividing hook 22 to transversely shift back and forth, and the transmission synchronizing part 21 enables the second dividing hook 23 to longitudinally shift back and forth.

In more detail, the transmission synchronizer 21 includes a connecting crank 210, a synchronous rotating shaft 211 and a steering connecting rod 212, one end of the connecting crank 210 is connected with a driving shaft of the sewing machine, the other end of the connecting crank 210 is connected with the synchronous rotating shaft 211, the steering connecting rod 212 is connected with the synchronous rotating shaft 211, the second dividing hook 23 is connected with the synchronous rotating shaft 211, and the steering connecting rod 212 is connected with the first dividing hook 22. The steering connecting rod 212 consists of an adjusting steering joint 213, a spherical steering rod 214 and a steering seat 215, one end of the adjusting steering joint 213 is connected with the synchronous rotating shaft 211, the other end of the adjusting steering joint 213 is connected with the spherical steering rod 214 in an adjusting mode, the spherical steering rod 214 is connected with the steering seat 215, so that the two ends of the spherical steering rod 214 are provided with ball joints, the ball joints can rotate in a spherical radian, the integral reliability is improved, and rigid breaking is avoided. The turning seat 215 is a turning seat 215 which rotates transversely, the first dividing hook 22 is fixed on the turning seat 215, and the turning seat 215 is hinged on the fixing plate 24.

In some embodiments, the first branching hook 22 is a multi-section bent branching hook, on one hand, the branching deviation is reduced, and the branching deviation can also be matched with the steering joint 213 to ensure the hooking, and on the other hand, the mechanical reliability is improved, the first branching hook 22 is provided with a notched hook 221, and an L-shaped hook tip formed by the notched hook 221 is matched with the second branching hook 23. The second dividing hook 23 is provided with a V-shaped hook 231, and the V-shaped hook 231 is matched with the L-shaped hook tip of the notch hook 221. The design can be used for quickly and accurately sewing patterned patterns.

In some embodiments, the needle carriage plate 3 is provided with a feeding rack 31, and the feeding rack 31 is linked with a driving shaft of the needle carriage. The adjustment angle of the adjustment steering joint 213 is 0-180 °. Two presser feet 4 are further arranged on the upper needle head part 1, a needle hole through which a needle passes is formed in one presser foot 4, and the other presser foot 4 is matched with the feeding rack 31.

The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides a band decorative pattern sewing device, includes last syringe needle portion (1), lower syringe needle portion (2) and sewing machine bedplate (3), and sewing machine bedplate (3) are separated last syringe needle portion (1) and lower syringe needle portion (2), its characterized in that:

an adjustable needle head seat (11) and a double-needle hole (12) are arranged on the upper needle head part (1), and the double-needle hole (12) is positioned on the adjustable needle head seat (11); the lower needle head part (2) comprises a transmission synchronizing piece (21), a first dividing hook (22), a second dividing hook (23) and a fixing plate (24), the transmission synchronizing piece (21) is fixed on the fixing plate (24), the first dividing hook (22) and the second dividing hook (23) are respectively connected with the transmission synchronizing piece (21), the transmission synchronizing piece (21) enables the first dividing hook (22) to transversely shift back and forth, and the transmission synchronizing piece (21) enables the second dividing hook (23) to longitudinally shift back and forth.

2. The band pattern sewing apparatus of claim 1, wherein:

the transmission synchronizing piece (21) comprises a connecting crank (210), a synchronous rotating shaft (211) and a steering connecting rod (212), the connecting crank (210) is connected with the synchronous rotating shaft (211), the steering connecting rod (212) is connected with the synchronous rotating shaft (211), a second line dividing hook (23) is connected with the synchronous rotating shaft (211), and the steering connecting rod (212) is connected with a first line dividing hook (22).

3. The band pattern sewing apparatus of claim 2, wherein:

the steering connecting rod (212) consists of an adjusting steering joint (213), a spherical steering rod (214) and a steering seat (215), one end of the adjusting steering joint (213) is connected with the synchronous rotating shaft (211), the other end of the adjusting steering joint is connected with the spherical steering rod (214) in an adjusting mode, and the spherical steering rod (214) is connected with the steering seat (215).

4. The band pattern sewing apparatus of claim 3, wherein:

the steering seat (215) is a steering seat (215) which rotates transversely, and the first wire dividing hook (22) is fixed on the steering seat (215).

5. The band pattern sewing apparatus of any one of claims 1 to 4, wherein:

the first dividing hook (22) is provided with a notch hook head (221), and an L-shaped hook tip formed by the notch hook head (221) is matched with the second dividing hook (23).

6. The band pattern sewing apparatus of claim 5, wherein:

the second dividing hook (23) is provided with a V-shaped hook head (231), and the V-shaped hook head (231) is matched with the L-shaped hook tip of the notch hook head (221).

7. The band pattern sewing apparatus of claim 1, wherein:

the sewing machine seat plate (3) is provided with a feeding rack (31), and the feeding rack (31) is linked with a driving shaft of the sewing machine.

8. The band pattern sewing apparatus of claim 3, wherein:

the adjusting angle of the adjusting steering joint (213) is 0-180 degrees.

9. The band pattern sewing apparatus of claim 1, wherein:

the upper needle head part (1) is also provided with two presser feet (4), one presser foot (4) is provided with a needle hole through which a needle passes, and the other presser foot (4) is matched with the feeding rack (31).