Sewing machine thread trimming device for school uniform production

Abstract

The utility model discloses a sewing machine trimming device for school uniform production, which comprises a base, a sewing machine main body is fixedly connected to the rear part of the top of the base, a limiting chute is arranged on the surface of the base close to the edge of the side surface, a micro motor is arranged in the limiting chute, a screw rod is arranged at the end part of the micro motor, and the screw rod is connected with the sewing machine main body. A guide block is arranged outside the lead screw in a sleeving manner, pneumatic scissors are movably mounted at the top of the guide block, extension plates are fixedly connected to the two sides of the pneumatic scissors, positioning holes are formed in the surfaces of the extension plates and the guide block, and positioning pins are inserted into the positioning holes. The pneumatic scissors are installed on the guide block, the guide block moves on the base in the horizontal direction under the action that the micro motor drives the lead screw, the use position of the pneumatic scissors can be adjusted, threads at different positions can be cut off conveniently, the pneumatic scissors and the guide block are connected through the positioning pin, and disassembly and assembly are easy and convenient.

Description

TECHNICAL FIELD

[0001] The utility model relates to sewing machine equipment technical field, concretely related to a sewing machine thread trimming device for school uniform production. BACKGROUND

[0002] Sewing machine is with one line or many sewing lines, forms one or more lines on the sewing material, makes one layer or more sewing material interweave or sews together, can be used to sew cotton, hemp, silk, wool, etc. Product, the school uniform worn by students is also sewn by sewing machine, and the sewing machine needs to be matched to the thread trimming device to cut the thread end when working.

[0003] The prior art has the following problems:

[0004] In the prior art, the automatic thread trimming operation after sewing is usually realized by pneumatic scissors, but the installation position of the pneumatic scissors on the sewing equipment is fixed and cannot be adjusted, and the interfacing installation steps between the two are cumbersome, usually need to be fixed by bolts, and are inconvenient for people to use. UTILITY MODEL CONTENTS

[0005] In view of the problems in the related art, the utility model provides a sewing machine thread trimming device for school uniform production to overcome the above technical problems existing in the prior art.

[0006] Therefore, the utility model adopts the specific technical scheme as follows:

[0007] A sewing machine thread trimming device for school uniform production, comprising a base, a sewing machine body is fixedly connected to the top rear part of the base, a limiting sliding groove is formed in the surface of the base near the side edge, a micro motor is arranged in the limiting sliding groove, a lead screw is arranged at the end of the micro motor, a guide block is arranged outside the lead screw, and a pneumatic scissors is movably installed at the top of the guide block.

[0008] Preferably, the pneumatic scissors is fixedly connected with an extension plate on both sides, the surface of the extension plate and the guide block is provided with a positioning hole, and a positioning pin is inserted into the positioning hole, the extension plate is arranged to insert the positioning pin into the positioning hole, so that the pneumatic scissors can be quickly interfaced and assembled with the guide block, and the disassembly process is simple and convenient.

[0009] Preferably, a connecting plate is fixedly connected between the two adjacent positioning pins, a protruding block is fixedly connected to the top center of the connecting plate, the two adjacent positioning pins are connected to each other through the connecting plate, so that people can hold the protruding block with both hands, and a plurality of positioning pins can be taken out at one time, further facilitating the disassembly work of the pneumatic scissors.

[0010] Preferably, the top of the limiting sliding groove is hingedly connected with a protective cover, the protective cover and the base form a movable structure through a hinge, and the limiting sliding groove is shielded by the protective cover through the hinge to avoid the falling of dust or solid particles from the outside to the screw rod and affecting the normal movement of the guide block.

[0011] Preferably, the side surface of the guide block is fixedly connected with a connecting block, the top of the connecting block is provided with a rectangular plate, a plurality of cleaning bristles are arranged at the bottom of the rectangular plate, a limiting socket is formed at the rear side of the base, and a collecting box is inserted into the limiting socket.

[0012] Preferably, a damping rotating shaft is arranged at the rear bottom of the rectangular plate, and the bottom of the damping rotating shaft is connected with the top of the connecting block.

[0013] Preferably, a pulling handle is fixedly connected to the front center of the collecting box, and a plurality of semicircular grooves are formed in the surface of the pulling handle.

[0014] Preferably, an extension block is fixedly connected to the inner side wall of the limiting socket, and the extension block is designed in a slope shape.

[0015] The utility model discloses the beneficial effects are:

[0016] 1. The sewing machine thread trimming device for school uniform production, the pneumatic scissors are installed on the guide block, and the guide block moves horizontally on the base under the action of the micro motor driven screw rod, the use position of the pneumatic scissors can be adjusted, so that the thread at different positions can be conveniently trimmed, and the pneumatic scissors and the guide block are connected with each other through the positioning pin, are convenient to disassemble and assemble, and are convenient to use.

[0017] 2. The sewing machine thread trimming device for school uniform production, the cleaning bristles arranged at the bottom of the rectangular plate are used to sweep the unwanted thread into the collecting box after the thread is trimmed, the operation area of the device is kept clean, and the time for cleaning alone is saved, and the extension block is designed in a slope shape, and the thread can be conveniently slid into the collecting box under the action of gravity. BRIEF DESCRIPTION OF DRAWINGS

[0018] In order to more clearly illustrate the technical solutions in the embodiments of the present application or the prior art, the drawings needed in the embodiments will be briefly introduced as follows. Obviously, the drawings in the following description only constitute some embodiments of the present application, and for those skilled in the art, other drawings can also be obtained without creative labor on the basis of these drawings.

[0019] Figure 1 It is a front structure schematic view of the present application.

[0020] Figure 2 It is a side structure schematic view of the present application.

[0021] Figure 3 It is a structure schematic view of A of the present application.

[0022] Figure 4 It is an enlarged structure schematic view of the positioning pin of the present application.

[0023] Figure 5 It is a structure schematic view of B of the present application.

[0024] In the figure: 1, base; 2, sewing machine main body; 3, limiting socket; 4, collection box; 5, extension block; 6, limiting sliding groove; 7, screw rod; 8, micro motor; 9, protective cover; 10, guide block; 11, pneumatic scissors; 12, extension plate; 13, positioning hole; 14, positioning pin; 15, connecting plate; 16, protruding block; 17, connecting block; 18, damping rotating shaft; 19, rectangular plate; 20, cleaning brush. DETAILED DESCRIPTION

[0025] In order to further illustrate the embodiments, the present application provides drawings which are part of the disclosure of the present application, mainly used to illustrate the embodiments, and can be used to explain the operating principle of the embodiments in cooperation with the related description of the specification. With reference to these contents, those skilled in the art should understand other possible embodiments and advantages of the present application. The components in the drawings are not drawn to scale, and similar component symbols are usually used to represent similar components.

[0026] According to the embodiments of the present application, a sewing machine thread trimming device for school uniform production is provided.

[0027] Embodiment one;

[0028] As Figures 1-5As shown, the sewing machine thread cutting device for school uniform production of the utility model embodiment, including base 1, the top rear part of base 1 is fixedly connected with sewing machine main body 2, the surface of base 1 is close to the side edge and is provided with limit sliding groove 6, the inside of limit sliding groove 6 is provided with micro motor 8, the end of micro motor 8 is provided with lead screw 7, the outside of lead screw 7 is provided with guide block 10, the top of guide block 10 is movably installed with pneumatic scissors 11.

[0029] In the embodiment, the two sides of the pneumatic scissors 11 are fixedly connected with the extension plates 12, the surfaces of the extension plates 12 and the guide blocks 10 are provided with the positioning holes 13, the positioning holes 13 are inserted with the positioning pins 14, by setting the extension plates 12, the positioning pins 14 are inserted into the positioning holes 13, so that the pneumatic scissors 11 can be quickly docked and assembled between the guide blocks 10, and the disassembly process is simple and convenient.

[0030] In the embodiment, the two groups of adjacent positioning pins 14 are fixedly connected with the connecting plates 15, the top center of the connecting plate 15 is fixedly connected with the protruding block 16, by setting the connecting plate 15, the two groups of adjacent positioning pins 14 are connected with each other, so that people hold the protruding block 16 with both hands, and a lifting operation can take out the multiple groups of positioning pins 14 at the same time, which further facilitates the disassembly and assembly of the pneumatic scissors 11.

[0031] In the embodiment, the top of the limit sliding groove 6 is hingedly connected with the protective cover 9, the protective cover 9 forms a movable structure with the base 1 through the hinge, by setting the protective cover 9, the limit sliding groove 6 is shielded by the hinge-driven overturning, so that when the equipment is not used, the external dust or solid particle foreign matter is prevented from adhering and falling onto the lead screw 7 to affect the normal movement of the guide block 10.

[0032] In the embodiment, the side of the guide block 10 is fixedly connected with the connecting block 17, the top of the connecting block 17 is provided with the rectangular plate 19, the bottom of the rectangular plate 19 is provided with multiple groups of cleaning bristles 20, the rear part of the side of the base 1 is provided with the limit socket 3, the inside of the limit socket 3 is inserted with the collection box 4, by setting the cleaning bristles 20 at the bottom of the rectangular plate 19, after cutting the thread end, the unwanted thread end is swept into the collection box 4 along with the movement of the guide block 10 and is placed centrally, which maintains the cleanliness of the equipment operation area and saves the time of people's separate cleaning.

[0033] Embodiment two;

[0034] On the basis of embodiment one, the preferable embodiment of the sewing machine thread cutting device for school uniform production of the utility model comprises Figures 1 to 5 As shown,

[0035] The bottom rear part of the rectangular plate 19 is provided with a damping rotating shaft 18, the bottom of the damping rotating shaft 18 is connected with the top of the connecting block 17, the damping rotating shaft 18 can drive the rectangular plate 19 to rotate to the inside of the limiting sliding groove 6, so that the normal covering of the protective cover 9 is not affected.

[0036] The front center of the collecting box 4 is fixedly connected with a pull handle, a plurality of semicircular grooves are formed in the surface of the pull handle, the pull handle can be conveniently taken out from the limiting socket 3.

[0037] The inner side wall of the limiting socket 3 is fixedly connected with an extension block 5, the extension block 5 is designed in a slope shape, the thread can be conveniently slid into the collecting box 4 under the action of gravity through the extension block 5.

[0038] In order to facilitate the understanding of the above technical scheme of the utility model, the working principle or operation mode of the utility model in the actual process is described in detail.

[0039] In actual application, the pneumatic scissors 11 are placed on the guide block 10, the positioning pin 14 is inserted after the extension plate 12 on the side of the pneumatic scissors 11 coincides with the positioning hole 13 on the surface of the guide block 10, the assembly work between the pneumatic scissors 11 and the guide block 10 is completed, the excess thread is cut off by the pneumatic scissors 11 during sewing, the guide block 10 moves horizontally on the base 1 under the action of the lead screw 7 driven by the micro motor 8, the use position of the pneumatic scissors 11 can be adjusted, so that the thread in different positions can be conveniently cut off, the applicability of the cutting device is increased, the cut thread is swept into the collecting box 4 by the cleaning bristles 20 arranged at the bottom of the rectangular plate 19 under the movement of the guide block 10, the thread is concentrated and placed, the operation area of the equipment is kept clean, the time for people to clean alone is saved, the extension block 5 designed in a slope shape, under the action of gravity, the thread can be conveniently slid into the collecting box 4.

[0040] By means of the above technical scheme of the utility model, the pneumatic scissors 11 is installed on the guide block 10, the guide block 10 moves horizontally on the base 1 under the action of the micro motor 8 driving the screw rod 7, the use position of the pneumatic scissors 11 can be adjusted, thereby facilitating the cutting operation of the threads at different positions, the pneumatic scissors 11 and the guide block 10 are connected with each other through the positioning pin 14, are convenient to disassemble and assemble, are convenient to use, the cleaning bristles 20 arranged at the bottom of the rectangular plate 19 are used to sweep the unwanted thread ends into the collecting box 4 after the thread ends are cut, the operation area of the equipment is kept clean, the time for people to clean alone is saved, and the extension block 5 with the slope design can make the thread ends more conveniently slide from the extension block 5 into the collecting box 4 under the action of gravity.

[0041] The above is only the preferred embodiment of the utility model, and is not used to limit the utility model, and any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the utility model should be included in the protection scope of the utility model.

Claims

1. A thread trimming device for a sewing machine for the production of school uniforms, comprising a base (1), characterized in that: The top rear part of the base (1) is fixedly connected with the sewing machine body (2), the surface of the base (1) is provided with a limiting sliding groove (6) near the side edge, the inside of the limiting sliding groove (6) is provided with a micro motor (8), the end of the micro motor (8) is provided with a lead screw (7), the outside of the lead screw (7) is sleeved with a guide block (10), and the top of the guide block (10) is movably installed with a pneumatic scissors (11).

2. The thread trimming device of claim 1, wherein the thread trimming device is a sewing machine for producing school uniforms. Both sides of the pneumatic scissors (11) are fixedly connected with an extension plate (12), the surfaces of the extension plate (12) and the guide block (10) are provided with a positioning hole (13), and the inside of the positioning hole (13) is inserted with a positioning pin (14).

3. The thread trimming device of claim 2, wherein the thread trimming device is a sewing machine for producing school uniforms. The connecting plate (15) is fixedly connected between the two groups of adjacent positioning pins (14), and the top center of the connecting plate (15) is fixedly connected with a protruding block (16).

4. The thread trimming device of claim 1, wherein the thread trimming device is a sewing machine for producing school uniforms. The top of the limiting sliding groove (6) is hingedly connected with a protective cover (9), and the protective cover (9) and the base (1) form a movable structure through the hinge.

5. The thread trimming device of claim 1, wherein the thread trimming device is used for a sewing machine for producing school uniforms. The side of the guide block (10) is fixedly connected with a connecting block (17), the top of the connecting block (17) is provided with a rectangular plate (19), the bottom of the rectangular plate (19) is provided with a plurality of cleaning bristles (20), the rear side of the base (1) is provided with a limiting socket (3), and the inside of the limiting socket (3) is inserted with a collecting box (4).

6. The thread trimming device of claim 5, wherein the thread trimming device is a sewing machine for producing school uniforms. The bottom rear part of the rectangular plate (19) is provided with a damping rotating shaft (18), and the bottom of the damping rotating shaft (18) is connected with the top of the connecting block (17).

7. The thread trimming device of claim 5, wherein the thread trimming device comprises a thread trimming device for a school uniform production sewing machine. The front center of the collecting box (4) is fixedly connected with a pull handle, and the surface of the pull handle is provided with a plurality of semicircular grooves.

8. The thread trimming device of claim 5, wherein the thread trimming device comprises a thread trimming device for a school uniform production sewing machine. The inner side wall of the limiting socket (3) is fixedly connected with an extension block (5), and the extension block (5) is designed in a slope shape.

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