Computer sewing machine with cloth positioning and fixing functions

Abstract

The utility model discloses a computer sewing machine with a cloth positioning and fixing function, which comprises a rack, a top table is arranged at the top end of the rack, and positioning cloth pressing structures used for assisting in positioning and warping prevention during cloth sewing processing are respectively arranged on the left sides of two ends of the top of the top table. When the computer sewing machine with the cloth positioning and fixing functions is used, cloth can be placed on the two sets of rollers at the top end of the bottom frame, then the sliding grooves in the top frame are inserted corresponding to the exteriors of the sliding rods, and the two sets of rollers at the bottom end of the top frame are pressed and attached to the top of the cloth on the rollers at the top end of the bottom frame; when the cloth is driven by the computer sewing machine body to move and be sewn, the cloth can be flattened and positioned in an auxiliary mode through the rotating rollers which are arranged up and down, the rotating rollers can synchronously rotate along with movement of the cloth, protrusions generated when the cloth is sewn are reduced and avoided, and the problem that auxiliary positioning and flattening cannot be conveniently conducted on the cloth when the cloth is sewn is solved.

Description

Technical Field

[0001] This utility model relates to the field of computer sewing machine technology, specifically a computer sewing machine with fabric positioning and fixing function. Background Technology

[0002] A computerized sewing machine is a sewing machine controlled by a microcomputer that can automatically complete the pre-set sewing tasks. It can automatically sew the edges of fabric, automatically adjust the thread tension for thick and thin fabrics, automatically change speed and torque, and automatically cut threads. Compared with ordinary manual sewing machines, it greatly improves production efficiency and has a wide range of applications.

[0003] However, when using a computerized sewing machine to sew fabric, after the fabric is pressed onto the sewing machine and moved by the sewing machine drive components, if there are protrusions on the outside of the fabric, it can easily cause misalignment during sewing. Additional manual labor is required to smooth the fabric to maintain its flatness during sewing. This is a shortcoming, as it is not convenient to perform auxiliary positioning and flattening treatment on the fabric during sewing.

[0004] Now, a new type of computerized sewing machine with fabric positioning and fixing function is proposed to solve the above-mentioned shortcomings. Utility Model Content

[0005] The purpose of this invention is to provide a computerized sewing machine with fabric positioning and fixing function, so as to solve the problem mentioned in the background art that it is inconvenient to assist in positioning and flattening the fabric during sewing.

[0006] To achieve the above objectives, the present invention provides the following technical solution: a computer sewing machine with fabric positioning and fixing function, comprising a frame, a top platform at the top of the frame, and positioning and pressing structures for auxiliary positioning and anti-warping of the fabric during sewing on the left side of both ends of the top of the top platform;

[0007] The positioning and pressing structure includes a base frame, a slide rod, a top frame, a mounting groove, a rotating roller, a cavity, and a chute. The base frame is fixedly installed at both ends of the top left side of the top platform. The top frame is provided at the top of the base frame, and chute is provided inside the bottom two sides of the top frame. Mounting grooves are provided inside the bottom of the top frame and the top of the base frame. A rotating roller is installed laterally inside the mounting groove. A cavity is provided inside the rotating roller. The slide rod is fixed vertically on both sides of the top of the base frame.

[0008] Preferably, two sets of the rotating rollers are respectively provided inside the bottom end of the top frame and inside the top end of the base frame.

[0009] Preferably, the chute extends vertically through the interior of the top frame, and the slide rod extends through the interior of the chute.

[0010] Preferably, a support plate is horizontally fixed at the top of the machine frame, and a threaded opening is provided inside the support plate. A lead screw is threaded into the threaded opening. A fixed plate is installed and fixed at the bottom of the lead screw, and three sets of throttles are fixed at equal intervals on the outer side of the fixed plate. The top of the lead screw passes through the top of the threaded opening and is movably connected to the bottom of the top platform.

[0011] Preferably, guide rods are vertically fixed at both ends of the bottom of the top platform, and guide grooves are respectively opened at both ends of the top of the frame.

[0012] Preferably, a dust cover is provided at the top of the top platform, and a viewing window is installed and fixed inside the front end of the dust cover. Connecting feet are installed and fixed on both sides of the bottom rear end of the dust cover, and fixing brackets are installed and fixed on both sides of the rear end of the top platform.

[0013] Preferably, the connecting foot is hinged to the interior of the fixing frame, and a handle is fixedly installed at the front end of the dust cover.

[0014] Preferably, a computer sewing machine base is installed and fixed at the middle position of the top of the top platform, and a computer sewing machine body is installed and fixed at the top of the computer sewing machine base. A control panel is fixed on the right side of the front end of the computer sewing machine body, and support legs are installed and fixed at the four corners of the bottom of the frame.

[0015] Compared with the prior art, the beneficial effects of this utility model are: the computer sewing machine with fabric positioning and fixing function not only realizes the convenient positioning and flattening of the fabric during sewing, and the convenient adjustment of the operating height of the sewing machine, but also makes it convenient to keep the exterior of the computer sewing machine dustproof.

[0016] (1) By setting up a frame, top platform, base frame, slide bar, top frame, mounting groove, rotating roller, cavity and slide groove, when the computer sewing machine is in operation, after the fabric is installed on the computer sewing machine body, the fabric can be placed on the two sets of rotating rollers at the top of the base frame. Then, by inserting the slide groove inside the top frame into the outside of the slide bar, the two sets of rotating rollers at the bottom of the top frame are pressed against the top of the fabric on the top of the rotating rollers of the base frame. When the fabric is moved and sewn by the computer sewing machine body, the rotating rollers set up above and below can help flatten and position the fabric, so that the fabric can move to the sewing machine in a flat state for sewing. The rotating rollers can rotate synchronously with the movement of the fabric, reducing and avoiding the bulging of the fabric during sewing. The two sets of positioning and pressing fabric structures set at both ends of the top of the top platform can be changed according to the direction of fabric sewing movement.

[0017] (2) By setting up a frame, top platform, support plate, threaded opening, lead screw, fixed plate, throttle, guide groove and guide rod, when the computer sewing machine is in operation, the fixed plate can be rotated by the throttle at the bottom of the support plate to drive the lead screw to rotate. While the lead screw rotates inside the threaded opening, it can drive the top platform to move up at the top of the frame, which makes it convenient to flexibly adjust the operating height of the sewing machine.

[0018] (3) By setting up a top platform, connecting feet, fixing frame, dust cover, viewing window and handle, after the computer sewing machine is used, the dust cover can be flipped forward from the rear end of the top platform using the hinge of the connecting feet and the fixing frame to cover the top of the top platform. The dust cover can provide auxiliary sealing and dust protection for the outside of the sewing machine components, as well as anti-collision protection. Attached Figure Description

[0019] Figure 1 This is a frontal cross-sectional view of the present invention.

[0020] Figure 2 This is a magnified structural diagram of a partial cross-section of the rotating roller of this utility model.

[0021] Figure 3 This is a partial enlarged cross-sectional view of the dust cover of this utility model.

[0022] Figure 4 This is a schematic diagram of the frame structure of this utility model.

[0023] In the diagram: 1. Support leg; 2. Frame; 3. Support plate; 4. Top platform; 5. Base frame; 6. Slide rod; 7. Computerized sewing machine body; 8. Control panel; 9. Computerized sewing machine base; 10. Guide groove; 11. Guide rod; 12. Threaded end; 13. Lead screw; 14. Fixed plate; 15. Rotary handle; 16. Top frame; 17. Mounting groove; 18. Rotary roller; 19. Cavity; 20. Slide groove; 21. Dust cover; 22. Connecting foot; 23. Fixed frame; 24. Handle; 25. Viewing window. Detailed Implementation

[0024] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0025] Example 1: Please refer to Figure 1-4A computerized sewing machine with fabric positioning and fixing function includes a frame 2, a top platform 4 at the top of the frame 2, a computerized sewing machine base 9 at the middle position of the top of the top of the top platform 4, a computerized sewing machine body 7 at the top of the computerized sewing machine base 9, a control panel 8 at the right side of the front end of the computerized sewing machine body 7, support feet 1 at the four corners of the bottom of the frame 2, and positioning and pressing structures for auxiliary positioning and anti-warping of the fabric during sewing processing are respectively provided on the left side of both ends of the top of the top platform 4.

[0026] The positioning and pressing structure includes a base frame 5, a slide bar 6, a top frame 16, a mounting groove 17, a rotating roller 18, a cavity 19, and a sliding groove 20. The base frame 5 is fixedly installed at both ends of the top left side of the top platform 4. The top frame 16 is set at the top of the base frame 5. Sliding grooves 20 are opened in the interior of both sides of the bottom end of the top frame 16. Mounting grooves 17 are opened in the interior of the bottom end of the top frame 16 and the interior of the top end of the base frame 5. The rotating roller 18 is installed horizontally in the interior of the mounting groove 17. The cavity 19 is set in the interior of the rotating roller 18. The slide bar 6 is fixed vertically on both sides of the top end of the base frame 5.

[0027] Two sets of rollers 18 are respectively provided inside the bottom end of the top frame 16 and inside the top end of the bottom frame 5. The slide groove 20 vertically penetrates the interior of the top frame 16, and the slide rod 6 penetrates the interior of the slide groove 20.

[0028] Specifically, such as Figures 1-3 As shown, after the fabric is installed on the computer sewing machine body 7, it can be placed on the two sets of rotating rollers 18 at the top of the base frame 5. Then, by inserting the sliding groove 20 inside the top frame 16 into the outside of the sliding rod 6, the two sets of rotating rollers 18 at the bottom of the top frame 16 are pressed against the top of the fabric on the rotating rollers 18 at the top of the base frame 5. When the fabric is moved and sewn by the computer sewing machine body 7, the upper and lower rotating rollers 18 can help flatten and position the fabric. The rotating rollers 18 can also rotate synchronously with the movement of the fabric to reduce and avoid bulging of the fabric during sewing.

[0029] Example 2: A support plate 3 is horizontally fixed at the top of the inside of the frame 2, and a threaded opening 12 is provided inside the support plate 3. A lead screw 13 is threaded inside the threaded opening 12. A fixed plate 14 is installed and fixed at the bottom of the lead screw 13, and three sets of throttles 15 are fixed at equal intervals on the outside of the fixed plate 14. The top of the lead screw 13 passes through the top of the threaded opening 12 and is movably connected to the bottom of the top platform 4. Guide rods 11 are vertically fixed at both ends of the bottom of the top platform 4, and guide grooves 10 are provided at both ends of the top of the frame 2.

[0030] Specifically, such as Figure 1 and Figure 4As shown, the fixed plate 14 can be rotated by the throttle 15 at the bottom of the support plate 3, which will drive the lead screw 13 to rotate. While the lead screw 13 rotates inside the threaded opening 12, it can drive the top platform 4 to move upward at the top of the frame 2, so as to flexibly adjust the operating height of the sewing machine.

[0031] Example 3: A dust cover 21 is provided at the top of the top platform 4, and a viewing window 25 is installed and fixed inside the front end of the dust cover 21. Connecting feet 22 are installed and fixed on both sides of the bottom rear end of the dust cover 21, and fixing brackets 23 are installed and fixed on both sides of the rear end of the top platform 4. The connecting feet 22 and the fixing brackets 23 are hinged to each other. A handle 24 is installed and fixed at the front end of the dust cover 21.

[0032] Specifically, such as Figure 1 and Figure 3 As shown, the dust cover 21 can be flipped forward at the rear end of the top platform 4 by using the hinge between the connecting foot 22 and the fixing frame 23 to cover the top of the top platform 4. The dust cover 21 can provide auxiliary sealing and dust protection for the outside of the sewing machine components.

[0033] Working Principle: In use, after mounting the fabric on the computerized sewing machine body 7, the fabric can be placed on the two sets of rotating rollers 18 at the top of the base frame 5. Then, by inserting the sliding groove 20 inside the top frame 16 into the outside of the sliding rod 6, the two sets of rotating rollers 18 at the bottom of the top frame 16 are pressed against the top of the fabric on the rotating rollers 18 at the top of the base frame 5. When the fabric is moved and sewn by the computerized sewing machine body 7, the upper and lower rotating rollers 18 can assist in flattening and positioning the fabric. Furthermore, the rotating rollers 18 can rotate synchronously with the movement of the fabric to flatten it. Simultaneously, the computerized sewing machine... When in use, the fixed plate 14 can be rotated by the handle 15 at the bottom of the support plate 3, which will drive the lead screw 13 to rotate. While the lead screw 13 rotates inside the threaded opening 12, it can drive the top platform 4 to move upward at the top of the frame 2, so as to flexibly adjust the operating height of the sewing machine. After the computer sewing machine is used, the dust cover 21 can be flipped forward at the rear end of the top platform 4 by the hinge between the connecting foot 22 and the fixed frame 23 until it covers the top of the top platform 4. The dust cover 21 can provide auxiliary sealing and dust protection for the outside of the sewing machine components.

[0034] It will be apparent to those skilled in the art that this invention is not limited to the details of the exemplary embodiments described above, and that it can be implemented in other specific forms without departing from the spirit or essential characteristics of this invention. Therefore, the embodiments should be considered illustrative and non-limiting in all respects, and the scope of this invention is defined by the appended claims rather than the foregoing description. Thus, it is intended that all variations falling within the meaning and scope of equivalents of the claims be included within this invention. No reference numerals in the claims should be construed as limiting the scope of the claims.

Claims

1. A computerized sewing machine with fabric positioning and fixing function, comprising a frame (2), characterized in that: The top of the frame (2) is provided with a top platform (4), and the left sides of both ends of the top of the top platform (4) are respectively provided with positioning and pressing structures for auxiliary positioning and anti-warping during fabric sewing. The positioning and pressing structure includes a base frame (5), a slide rod (6), a top frame (16), an mounting groove (17), a rotating roller (18), a cavity (19), and a sliding groove (20). The base frame (5) is fixedly installed at both ends of the top left side of the top platform (4). The top frame (16) is provided at the top of the base frame (5), and the sliding groove (20) is provided inside the bottom two sides of the top frame (16). The mounting groove (17) is provided inside the bottom of the top frame (16) and the top of the base frame (5). The rotating roller (18) is installed horizontally inside the mounting groove (17). The cavity (19) is provided inside the rotating roller (18). The slide rod (6) is fixed vertically on both sides of the top of the base frame (5).

2. A computerized sewing machine with fabric positioning and fixing function according to claim 1, characterized in that: The rotating rollers (18) are provided in two sets, one inside the bottom end of the top frame (16) and the other inside the top end of the base frame (5).

3. A computerized sewing machine with fabric positioning and fixing function according to claim 1, characterized in that: The slide groove (20) extends vertically through the interior of the top frame (16), and the slide rod (6) extends through the interior of the slide groove (20).

4. A computerized sewing machine with fabric positioning and fixing function according to claim 1, characterized in that: The top of the frame (2) is horizontally fixed with a support plate (3), and the support plate (3) has a threaded opening (12) inside. The threaded opening (12) is threaded with a lead screw (13). The bottom of the lead screw (13) is fixed with a fixed plate (14), and three sets of throttles (15) are fixed at equal intervals on the outside of the fixed plate (14). The top of the lead screw (13) passes through the top of the threaded opening (12) and is movably connected to the bottom of the top platform (4).

5. A computerized sewing machine with fabric positioning and fixing function according to claim 1, characterized in that: Guide rods (11) are vertically fixed at both ends of the bottom of the top platform (4), and guide grooves (10) are opened at both ends of the top of the frame (2).

6. A computerized sewing machine with fabric positioning and fixing function according to claim 1, characterized in that: The top of the top platform (4) is provided with a dust cover (21), and a viewing window (25) is installed and fixed inside the front end of the dust cover (21). Connecting feet (22) are installed and fixed on both sides of the bottom of the rear end of the dust cover (21), and fixing brackets (23) are installed and fixed on both sides of the rear end of the top platform (4).

7. A computerized sewing machine with fabric positioning and fixing function according to claim 6, characterized in that: The connecting foot (22) is hinged to the interior of the fixing frame (23), and a handle (24) is fixedly installed on the front end of the dust cover (21).

8. A computerized sewing machine with fabric positioning and fixing function according to claim 1, characterized in that: A computer sewing machine base (9) is installed and fixed at the middle position of the top of the top platform (4), and a computer sewing machine body (7) is installed and fixed at the top of the computer sewing machine base (9). A control panel (8) is fixed on the right side of the front end of the computer sewing machine body (7), and support legs (1) are installed and fixed at the four corners of the bottom of the frame (2).

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