CN214142823U

CN214142823U - Cutting knife device for sewing machine

Info

Publication number: CN214142823U
Application number: CN202023083321.2U
Authority: CN
Inventors: 王晓国
Original assignee: Suzhou Xilelai Textile Technology Co ltd
Current assignee: Suzhou Xilelai Textile Technology Co ltd
Priority date: 2020-12-18
Filing date: 2020-12-18
Publication date: 2021-09-07
Anticipated expiration: 2030-12-18

Abstract

The utility model relates to the technical field of sewing machines, in particular to a cutting knife device for a sewing machine, which comprises a mounting plate, wherein the left side and the right side of the upper end of the mounting plate are fixedly connected with support plates, the upper end of the mounting plate is fixedly connected with a plurality of support blocks positioned at the inner sides of the two support plates from left to right, the inner side of the upper end of each support block is embedded and fixed with an electromagnet, the outer side of the upper end of each support block is fixedly connected with an arc cover, the upper part between the inner sides of the two support plates is fixedly connected with a fixed plate, the lower end of the fixed plate is fixedly connected with a plurality of sleeves, the lower end in the sleeves is slidably connected with a slide bar, and the lower end of the slide bar extends out of the sleeve; the circular iron block is downwards adsorbed by electrifying the electromagnet, so that the circular iron block moves downwards and is adsorbed together with the electromagnet, and at the moment, the blade is inserted into the cutter groove to cut off the silk threads on the electromagnet, so that after each electromagnet is electrified, the silk threads above all the electromagnets are cut off quickly, and the convenience of cutting off the silk threads is ensured.

Description

Cutting knife device for sewing machine

Technical Field

The utility model relates to a sewing machine technical field especially relates to a cut out sword device for sewing machine.

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, artificial fiber and the like and products such as leather, plastic, paper and the like, and the sewed stitches are neat, beautiful, flat and firm, the sewing speed is high, and the use is simple and convenient. And derives the artistic forms of hand-push embroidery, computer embroidery, etc.

At present, a cutting knife device for a sewing machine needs to cut a silk thread after the sewing machine finishes processing clothes, and a blade needs to cut the silk thread one by one when cutting the silk thread, because the silk thread is too much, all the silk threads are difficult to cut simultaneously, so that the other silk threads need to be cut one by one, the cutting efficiency is influenced, the operation is not convenient enough, and the blade is difficult to reset to an initial position after cutting the silk thread, so that the circular operation is not facilitated, and the subsequent cutting work is influenced.

SUMMERY OF THE UTILITY MODEL

The utility model provides a tailor sword device for sewing machine to the silk thread that the solution above-mentioned background art provided tailors efficiency high inadequately, and the blade is difficult to reset moreover, influences the problem of follow-up work of tailorring.

In order to solve the prior art problem, the utility model discloses a tailor sword device for sewing machine, including the mounting panel:

the left side and the right side of the upper end of the mounting plate are fixedly connected with support plates, a plurality of support blocks are fixedly connected with the upper end of the mounting plate and positioned at the inner sides of the two support plates from left to right, an electromagnet is embedded and fixed at the inner side of the upper end of each support block, an arc cover is fixedly connected to the outer side of the upper end of the supporting block, a fixing plate is fixedly connected to the upper part between the inner sides of the two supporting plates, and the lower end of the fixed plate is fixedly connected with a plurality of sleeves, the lower end in the sleeves is connected with a slide bar in a sliding way, the lower ends of the slide bars extend out of the sleeves, and the left and right sides of the upper end of the fixed plate are both penetrated and slid by guide rods, a push plate is fixedly connected between the lower ends of the two guide rods, and the lower end of the sliding rod penetrates through the push plate, the sliding rod is connected with the push plate in a sliding mode, the lower end of the sliding rod is fixedly connected with a circular iron block, and each circular iron block is fixedly connected with a blade at the lower end of the circular iron block.

The electromagnet is semicircular, a cutter groove which is positioned at the lower end of the blade is formed in the inner side of the upper end of the electromagnet, and the blade is in butt joint with the cutter groove.

A through groove is formed in the inner side of the upper end of the arc-shaped cover, and the round iron block is movably connected with the through groove.

The electromagnet and the round iron block are at most 5cm apart, and the electromagnet is electrified and adsorbed by the round iron block.

Slide bar upper end fixedly connected with sleeve sliding connection's stopper, stopper lower extreme fixedly connected with is located slide bar outlying return spring, just return spring lower extreme with the inside lower extreme fixed connection of sleeve.

And a pressing plate is fixedly connected between the upper ends of the two guide rods, a reset spring is fixedly connected to the left end and the right end of the inner side of the lower end of the pressing plate, and the lower end of the reset spring is fixedly connected with the upper end of the fixing plate.

Compared with the prior art, the utility model discloses the beneficial effect who realizes:

through passing the silk thread through the arc cover, and the silk thread is located the electro-magnet top, when the silk thread needs to be cut, the electro-magnet circular iron piece is circular, thereby make circular iron piece move down and adsorb together with the electro-magnet, the blade inserts the sword inslot then cuts the silk thread on the electro-magnet this moment, and the electro-magnet has the polylith, circular iron piece and blade also have the polylith, consequently make every electro-magnet circular back of switching on, do benefit to quick silk thread to all electro-magnet tops and cut, the convenience that the silk thread was cut has been guaranteed, and after the electro-magnet outage, electro-magnet and circular iron piece no longer adsorb, through the resilience force of return spring, circular iron piece then drives the blade and shifts up, make the blade reset to initial position, thereby do benefit to the operation of tailorring of circulation, do benefit to the normal clear of follow-up work of tailorring.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic view of the overall working structure of the present invention;

FIG. 3 is a schematic view of a partially enlarged structure A of the present invention;

fig. 4 is a side view schematic diagram of the arc-shaped cover of the present invention.

In FIGS. 1-4: the device comprises a mounting plate 1, a supporting block 2, an electromagnet 3, an arc cover 4, a circular iron block 5, a blade 6, a pressing plate 7, a return spring 8, a sleeve 9, a guide rod 10, a push plate 11, a fixing plate 12, a supporting plate 13, a knife groove 14, a through groove 15, a sliding rod 16, a return spring 17 and a limiting block 18.

Detailed Description

The following description is provided for illustrative purposes, and other advantages and features of the present invention will become apparent to those skilled in the art from the following detailed description.

Please refer to fig. 1 to 4:

a cutting blade device for a sewing machine, comprising a mounting plate 1:

the left side and the right side of the upper end of the mounting plate 1 are fixedly connected with support plates 13, the inner sides of the two support plates 13 at the upper end of the mounting plate 1 are fixedly connected with a plurality of support blocks 2 from left to right, the inner side of the upper end of each support block 2 is fixedly embedded with an electromagnet 3, the outer side of the upper end of each support block 2 is fixedly connected with an arc-shaped cover 4, the upper part between the inner sides of the two support plates 13 is fixedly connected with a fixed plate 12, the lower end of the fixed plate 12 is fixedly connected with a plurality of sleeves 9, the lower end of the inner part of each sleeve 9 is slidably connected with a slide bar 16, the lower end of each slide bar 16 extends out of the corresponding sleeve 9, guide bars 10 are slidably arranged on the left side and the right side of the upper end of the fixed plate 12, a push plate 11 is fixedly connected between the lower ends of the two guide bars 10, the lower end of each slide bar 16 penetrates through the push plate 11, and the slide bar 16 is slidably connected with the push plate 11, the lower end of the sliding rod 16 is fixedly connected with a circular iron block 5, the lower end of each circular iron block 5 is fixedly connected with a blade 6, the electromagnet 3 is semicircular, a cutter groove 14 which is positioned at the lower end of the blade 6 is formed in the inner side of the upper end of the electromagnet 3, the blade 6 is in butt joint with the cutter groove 14, a through groove 15 is formed in the inner side of the upper end of the arc-shaped cover 4, the circular iron block 5 is movably connected with the through groove 15, the distance between the electromagnet 3 and the circular iron block 5 is at most 5cm, and the electromagnet 3 is electrified and adsorbed to the circular iron block 5;

specifically, the mounting plate 1 is mounted at a corresponding position of a sewing machine, a silk thread penetrates through the arc-shaped cover 4 and is positioned above the electromagnet 3, when the silk thread needs to be cut, the electromagnet 3 is electrified, the distance between the electromagnet 3 and the circular iron block 5 is not more than 5cm, the adsorption distance of the electromagnet 3 to the circular iron block 5 is more than 5cm, therefore, the circular iron block 5 is adsorbed downwards after the electromagnet 3 is electrified, the circular iron block 5 enters the inner side of the arc-shaped cover 4 through the through groove 15, the circular iron block 5 moves downwards and is adsorbed with the electromagnet 3, the blade 6 is contacted with the silk thread at the moment, the blade 6 is inserted into the knife groove 14 to cut the silk thread on the electromagnet 3, the electromagnets 3 are provided with a plurality of pieces, the circular iron block 5 and the blades 6 are also provided with a plurality of pieces, therefore, after each electromagnet 3 is electrified, all the silk threads above the electromagnet 3 are conveniently and quickly cut, the convenience of cutting the silk thread is ensured.

The upper end of the sliding rod 16 is fixedly connected with a limiting block 18 which is connected with the sleeve 9 in a sliding manner, the lower end of the limiting block 18 is fixedly connected with a return spring 17 which is positioned on the periphery of the sliding rod 16, the lower end of the return spring 17 is fixedly connected with the lower end in the sleeve 9, a pressing plate 7 is fixedly connected between the upper ends of the two guide rods 10, the left end and the right end of the inner side of the lower end of the pressing plate 7 are fixedly connected with a return spring 8, and the lower end of the return spring 8 is fixedly connected with the upper end of the fixing plate 12;

further, when the electromagnet 3 drives the circular iron block 5 to move downwards, the circular iron block 5 simultaneously drives the sliding rod 16 and the limiting block 18 to move downwards, so that the limiting block 18 presses the return spring 17 downwards, after the cut of the silk thread is finished, the electromagnet 3 is powered off, the electromagnet 3 and the circular iron block 5 are not adsorbed, the return spring 17 is reset, so that the limiting block 18 and the sliding rod 16 are driven to move upwards through the resilience force of the return spring 17, the circular iron block 5 drives the blade 6 to move upwards, the blade 6 is reset to an initial position, the circular cutting operation is facilitated, the subsequent cutting operation is facilitated, the normal operation of the subsequent cutting operation is facilitated, when the silk thread is not required to be cut by the electromagnet 3, a worker can press the pressing plate 7 downwards, the pressing plate 7 drives the guide rod 10 and the pushing plate 11 to move downwards, the pushing plate 11 drives all the circular iron blocks 5 to move downwards, so that the blades 6 on the circular iron block 5 simultaneously cut the silk threads above all the electromagnet 3, the power is not needed, and the diversity of operation is improved.

The above embodiments are merely illustrative of the principles and effects of the present invention, and are not to be construed as limiting the invention. Modifications and variations can be made to the above-described embodiments by those skilled in the art without departing from the spirit and scope of the present invention. Accordingly, it is intended that all equivalent modifications or changes which may be made by those skilled in the art without departing from the spirit and technical spirit of the present invention be covered by the claims of the present invention.

Claims

1. A cutter device for a sewing machine, comprising a mounting plate (1), characterized in that:

the left side and the right side of the upper end of the mounting plate (1) are fixedly connected with support plates (13), the upper end of the mounting plate (1) is positioned at two inner sides of the support plates (13) and is fixedly connected with a plurality of support blocks (2) from left to right, the inner side of the upper end of each support block (2) is embedded and fixed with an electromagnet (3), the outer side of the upper end of each support block (2) is fixedly connected with an arc cover (4), the upper part between the inner sides of the two support plates (13) is fixedly connected with a fixed plate (12), the lower end of the fixed plate (12) is fixedly connected with a plurality of sleeves (9), the lower end of the inner part of each sleeve (9) is slidably connected with a slide rod (16), the lower end of each slide rod (16) extends out of the corresponding sleeve (9), guide rods (10) penetrate through the left side and the right side of the upper end of the fixed plate (12), and push plates (11) are fixedly connected between the lower ends of the two guide rods (10), and the lower end of the sliding rod (16) penetrates through the push plate (11), the sliding rod (16) is in sliding connection with the push plate (11), the lower end of the sliding rod (16) is fixedly connected with a circular iron block (5), and each circular iron block (5) is fixedly connected with a blade (6).

2. The cutting blade device for the sewing machine according to claim 1, wherein: the electromagnet (3) is semicircular, a cutter groove (14) which is positioned at the lower end of the blade (6) is formed in the inner side of the upper end of the electromagnet (3), and the blade (6) is in butt joint with the cutter groove (14).

3. The cutting blade device for the sewing machine according to claim 2, wherein: the inner side of the upper end of the arc-shaped cover (4) is provided with a through groove (15), and the circular iron block (5) is movably connected with the through groove (15).

4. The cutting blade device for the sewing machine according to claim 3, wherein: the electromagnet (3) and the circular iron block (5) are separated by at most 5cm, and the electromagnet (3) is electrified and adsorbed by the circular iron block (5).

5. The cutting blade device for the sewing machine according to claim 1, wherein: slide bar (16) upper end fixedly connected with sleeve (9) sliding connection's stopper (18), stopper (18) lower extreme fixedly connected with is located slide bar (16) outlying return spring (17), just return spring (17) lower extreme with sleeve (9) inside lower extreme fixed connection.

6. The cutting blade device for the sewing machine according to claim 1, wherein: two fixedly connected with clamp plate (7) between guide bar (10) upper end, just both ends are all fixedly connected with reset spring (8) about clamp plate (7) lower extreme inboard, reset spring (8) lower extreme with fixed plate (12) upper end fixed connection.