Cloth feeding mechanism of lockstitch sewing machine

Abstract

The utility model relates to the technical field of cloth feeding mechanisms, and discloses a cloth feeding mechanism of a lockstitch sewing machine, which comprises a machine base table, a roller rod and a sliding block, a side plate of the machine base table is movably connected with the roller rod, the other side of the side plate of the machine base table is fixedly connected with a rotating motor, an output shaft of the rotating motor is fixedly connected with the roller rod, and the sliding block is fixedly connected with the roller rod. A roller rod is arranged on the machine base table, a cloth winding drum is connected to the roller rod in an inserted mode, a sliding block is arranged on one side of the cloth winding drum, the sliding block is connected to the roller rod in a penetrating mode, one side of the sliding block is connected into a sliding groove in a clamped mode, and the sliding groove is formed in one side of the machine base table. The drum groove of the cloth winding drum is matched with the roller rod in diameter, the sliding plate is in butt joint with the sliding groove, a worker pushes the sliding plate, the sliding plate penetrates through the roller rod to slide to the terminal of the cloth winding drum, the retention bolt is rotated, the terminal of the retention bolt abuts against the interior of the sliding groove, the cloth winding drum is limited, and cloth winding deviation is prevented.

Description

Technical Field

[0001] The utility model relates to the technical field of cloth feeding mechanisms, in particular to a cloth feeding mechanism for a lockstitch sewing machine. Background Art

[0002] A flat-sewing machine is a machine that uses a sewing thread to form a stitch on the sewing material, so that one or more layers of sewing materials are interwoven or sewn together. The flat-sewing machine is the most basic type of sewing equipment and has the simplest stitch. The stitches it produces are neat, beautiful, even, flat and firm, with fast sewing speed, easy operation, and simple and easy to understand.

[0003] An existing cloth feeding mechanism of a flat-bed sewing machine (Announcement No.: CN220907835U) has at least the following disadvantages: the length of the cloth winding device is limited, which is not conducive to winding cloths of different widths, and a number of mounting grooves are provided on the machine table, which easily cause the sewing thread ends to fall to the ground, which is not conducive to uniform cleaning of the thread ends. Utility Model Content

[0004] The utility model aims to solve the shortcomings in the prior art and proposes a cloth feeding mechanism for a flat sewing machine.

[0005] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0006] A cloth feeding mechanism of a flat-bed sewing machine comprises a machine base, a roller rod and a sliding block, wherein the roller rod is movably connected to the side plate of the machine base, and the other side of the side plate of the machine base is fixedly connected to a rotating motor, the rotating motor is fixedly connected to the roller rod by an output shaft, a cloth roll is plugged into the roller rod, a sliding block is provided on one side of the cloth roll, the sliding block is through-connected to the roller rod, one side of the sliding block is snap-connected in a slide groove, the slide groove is opened on one side of the machine base, a retaining bolt is movably connected in the slide groove, the retaining bolt is a column rod threadedly connected to the sliding block, and a crossbeam frame is provided on one side of the cloth roll.

[0007] As a further solution of the utility model, the crossbeam frame is fixedly connected to the machine base, the top of the crossbeam frame is fixedly connected to a plurality of cylinders, the piston rods of the cylinders pass through the crossbeam frame and are fixedly connected to an ironing plate, and the ironing plate is located at the inner bottom of the crossbeam frame.

[0008] As a further solution of the utility model, one end of the ironing plate circuit passes through the slot of the cross beam frame and is fixedly connected to the machine base, a clamping plate is provided at the bottom of the ironing plate, and the clamping plate is fixedly connected to the top of the machine base, a scraper frame is provided on one side of the clamping plate, and the bottom of the scraper frame is fixedly connected to the machine base.

[0009] As a further solution of the utility model, a sewing machine is provided on a side of the scraper frame away from the clamping plate, the sewing machine is fixedly connected to the table top of the machine base, and a display screen is provided on one side of the sewing machine.

[0010] As a further solution of the utility model, a waste box is provided on one side of the side panel of the machine base, and the waste box is movably connected in a slot box frame, and the slot box frame is welded to one side of the machine base, and an opening on one side of the waste box is flush with the table surface of the machine base, and a drawer is provided inside the machine base.

[0011] As a further solution of the utility model, slide rails are provided on both sides of the drawer, the drawer and the machine base are movably connected through the slide rails, the drawer is movably connected to a plug-in plate groove inside, the plug-in plate groove divides the drawer into a number of spaces, an electric push rod seat is provided at the bottom of the machine base, and the push rods of the electric push rod seat are fixedly connected to the four corners of the machine base.

[0012] Compared with the prior art, the utility model has the following beneficial effects:

[0013] 1. The staff passes the cloth roll through the roller rod, the groove of the cloth roll matches the diameter of the roller rod, the sliding plate is connected to the sliding groove, the staff pushes the sliding plate, the sliding plate passes through the roller rod and slides to the end of the cloth roll, rotates the retaining bolt, so that the end of the retaining bolt is in the sliding groove, and the cloth roll is limited to prevent the deviation of the cloth winding. The rotating motor is started, and the output shaft of the rotating motor drives the roller rod to rotate. The cloth roll follows the roller rod to rotate to wind the cloth, and the cloth roll drives the cloth to move, so that the cloth is automatically wound to achieve the cloth feeding effect, which is convenient for sewing the cloth.

[0014] 2. A scraper frame is installed on the machine base. The cloth is rolled up through the scraper frame, so that the thread ends stuck on the cloth are concentrated on one side of the scraper frame. The blade inside the scraper frame is inclined. When there are too many thread ends, the staff manually pushes the accumulated thread ends into the waste box to facilitate the cleaning and storage of the thread ends, avoid the thread ends falling to the ground, and increase the cleaning range of the staff. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a three-dimensional structural schematic diagram of a cloth feeding mechanism of a lockstitch sewing machine proposed by the utility model;

[0016] Figure 2 It is a structural schematic diagram of a machine base of a cloth feeding mechanism of a lockstitch sewing machine proposed by the utility model;

[0017] Figure 3 This is a structural schematic diagram of a roller rod of a cloth feeding mechanism of a lockstitch sewing machine proposed by the utility model;

[0018] Figure 4This is a structural schematic diagram of a drawer of a cloth feeding mechanism of a lockstitch sewing machine proposed by the utility model;

[0019] In the figure: 1, machine base; 101, slot box frame; 102, display screen; 103, slide; 2, roller rod; 3, cloth roll; 4, rotating motor; 5, sliding plate; 6, retaining bolt; 7, beam frame; 8, cylinder; 9, ironing board; 10, clamping plate; 11, scraper frame; 12, waste box; 13, sewing machine; 14, slide rail; 15, drawer; 16, plug-in slot; 17, electric push rod seat. DETAILED DESCRIPTION

[0020] In order to make the technical means, creative features, objectives and effects achieved by the present invention easy to understand, the present invention is further described below in conjunction with specific implementation methods.

[0021] In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front end", "rear end", "two ends", "one end", "the other end" and the like indicate positions or positional relationships based on the positions or positional relationships shown in the drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operate in a specific orientation, and therefore cannot be understood as a limitation on the present invention. In addition, the terms "first" and "second" are used for descriptive purposes only and cannot be understood as indicating or implying relative importance.

[0022] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installed", "provided with", "connected", etc. should be understood in a broad sense. For example, "connected" can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be an indirect connection through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0023] Reference Figure 1-Figure 4 A cloth feeding mechanism of a flat-bed sewing machine comprises a machine base 1, a roller rod 2 and a sliding plate 5. The roller rod 2 is movably connected to the side plate of the machine base 1, and the other side of the side plate of the machine base 1 is fixedly connected to a rotating motor 4. The output shaft of the rotating motor 4 is fixedly connected to the roller rod 2, and the roller rod 2 is plugged and connected to a cloth reel 3. A sliding plate 5 is provided on one side of the cloth reel 3, and the sliding plate 5 is connected to the roller rod 2 through. One side of the sliding plate 5 is snap-connected in a slide groove 103. The slide groove 103 is opened on one side of the machine base 1, and a retaining bolt 6 is movably connected in the slide groove 103. The retaining bolt 6 is a column rod threadedly connected to the sliding plate 5, and a crossbeam frame 7 is provided on one side of the cloth reel 3.

[0024] When in use, the staff passes the cloth roll 3 through the roller rod 2, the tube groove of the cloth roll 3 is consistent with the diameter of the roller rod 2, and then rolls one end of the sewn cloth onto the cloth roll 3, the sliding plate 5 is docked with the sliding groove 103, and the staff pushes the sliding plate 5, the sliding plate 5 passes through the roller rod 2 and slides to the end of the cloth roll 3, rotates the retaining bolt 6, so that the end of the retaining bolt 6 abuts in the sliding groove 103, limits the cloth roll 3 to avoid deviation in the cloth winding, starts the rotating motor 4, and the output shaft of the rotating motor 4 drives the roller rod 2 to rotate, the cloth roll 3 follows the roller rod 2 to rotate to wind the cloth, and the cloth roll 3 drives the cloth to move, so that the cloth can be automatically wound to achieve the cloth feeding effect, which is convenient for sewing the cloth.

[0025] In this embodiment, the crossbeam frame 7 is fixedly connected to the machine base 1, and a plurality of cylinders 8 are fixedly connected to the top of the crossbeam frame 7. The piston rods of the cylinders 8 pass through the crossbeam frame 7 and are fixedly connected to the ironing plate 9. The ironing plate 9 is located at the inner bottom of the crossbeam frame 7.

[0026] When in use, the sewn cloth is moved to the clamping plate 10 through the scraper frame 11, and the ironing plate 9 irons the cloth on the top of the clamping plate 10 to prevent wrinkles on the cloth. The display screen 102 can set the temperature of the ironing plate 9, and the cylinder 8 can be controlled to drive the ironing plate 9 to adjust its height, which is convenient for ironing cloth of different thicknesses.

[0027] In this embodiment, one end of the ironing plate 9 passes through the slot of the crossbeam frame 7 and is fixedly connected to the machine base 1. A clamping plate 10 is provided at the bottom of the ironing plate 9, and the clamping plate 10 is fixedly connected to the top of the machine base 1. A scraper frame 11 is provided on one side of the clamping plate 10, and the bottom of the scraper frame 11 is fixedly connected to the machine base 1.

[0028] When in use, a scraper frame 11 is provided on the machine base 1, and the cloth is rolled up through the scraper frame 11, so that the thread ends adhering to the cloth are concentrated on one side of the scraper frame 11. The blade inside the scraper frame 11 is inclined, which scrapes the cloth to clean it and blocks the thread ends at the same time.

[0029] In this embodiment, a sewing machine 13 is provided on the side of the scraper frame 11 away from the clamping plate 10 . The sewing machine 13 is fixedly connected to the table surface of the machine base 1 . A display screen 102 is provided on one side of the sewing machine 13 .

[0030] When in use, the display screen 102 performs central control output on the rotating motor 4, cylinder 8, ironing plate 9, sewing machine 13 and electric push rod seat 17. The staff adjusts the electronic structure according to different cloths, which is more conducive to sewing when the cloth is moving.

[0031] In this embodiment, a waste box 12 is provided on one side of the side panel of the machine base 1. The waste box 12 is movably connected in a slot box frame 101. The slot box frame 101 is welded to one side of the machine base 1. The opening on one side of the waste box 12 is flush with the table top of the machine base 1. A drawer 15 is provided inside the machine base 1.

[0032] During use, when there are too many thread ends, the staff manually pushes the accumulated thread ends into the waste box 12, which is convenient for cleaning and storing the thread ends, avoids the thread ends from falling on the ground, and increases the cleaning range of the staff.

[0033] In this embodiment, slide rails 14 are provided on both sides of the drawer 15, and the drawer 15 is movably connected to the base platform 1 through the slide rails 14. The plug-in slots 16 divide the drawer 15 into several spaces. An electric push rod seat 17 is provided at the bottom of the base platform 1, and the push rods of the electric push rod seat 17 are fixedly connected to the four corners of the base platform 1.

[0034] When in use, the interior of the drawer 15 is divided into several storage spaces by the plug-in slot 16, which is convenient for storing coils of different colors and for the staff to replace the sewing thread. The plug-in slot 16 is composed of several plug-ins that are mutually engaged, so as to facilitate the adjustment of the sizes of different storage spaces. Several electric push rods on the electric push rod seat 17 are respectively fixedly connected to the four corners of the machine base 1 to support the machine base 1. At the same time, the staff controls the lifting and lowering of the electric push rod seat 17 through the display screen 102 to facilitate the height adjustment of the machine base 1.

[0035] From the above description, it can be seen that the above-mentioned embodiment of the utility model achieves the following technical effects: the staff passes the cloth roll 3 through the roller rod 2, the drum groove of the cloth roll 3 is consistent with the diameter of the roller rod 2, the sliding plate 5 is docked with the sliding groove 103, the staff pushes the sliding plate 5, the sliding plate 5 passes through the roller rod 2 and slides to the end of the cloth roll 3, rotates the retaining bolt 6, so that the end of the retaining bolt 6 is against the sliding groove 103, the cloth roll 3 is limited to avoid deviation in the cloth winding, the rotating motor 4 is started, the output shaft of the rotating motor 4 drives the roller rod 2 to rotate, the cloth roll 3 follows the roller rod 2 to rotate to wind the cloth, and the cloth roll 3 drives the cloth to move The cloth is automatically reeled up to achieve the cloth feeding effect, which is convenient for sewing the cloth. A scraper frame 11 is provided on the machine base 1. The cloth is reeled up through the scraper frame 11, so that the thread ends adhered to the cloth are concentrated on one side of the scraper frame 11. The blade inside the scraper frame 11 is inclined. When there are too many thread ends, the staff manually pushes the accumulated thread ends into the waste box 12, which is convenient for cleaning and storing the thread ends and avoids the thread ends falling on the ground, increasing the cleaning range of the staff. A drawer 15 is provided inside the machine base 1. The drawer 15 is divided into several storage spaces by a plug-in slot 16, which is convenient for storing thread rolls of different colors and convenient for the staff to replace the sewing thread.

[0036] The above shows and describes the basic principle and main features of the utility model and the advantages of the utility model. Those skilled in the art should understand that the utility model is not limited by the above embodiments. The above embodiments and descriptions are only for explaining the principle of the utility model. Without departing from the spirit and scope of the utility model, the utility model may have various changes and improvements, which fall within the scope of the utility model to be protected. The scope of protection claimed by the utility model is defined by the attached claims and their equivalents.

Claims

1. A cloth feeding mechanism for a lockstitch sewing machine, comprising a machine base (1), a roller bar (2) and a sliding plate (5), characterized in that: The roller rod (2) is movably connected to the side plate of the machine base (1), and the other side of the side plate of the machine base (1) is fixedly connected to a rotating motor (4), the output shaft of the rotating motor (4) is fixedly connected to the roller rod (2), the roller rod (2) is plugged and connected to a cloth roll (3), one side of the cloth roll (3) is provided with a sliding plate (5), the sliding plate (5) is connected to the roller rod (2), one side of the sliding plate (5) is snap-connected in a sliding groove (103), the sliding groove (103) is opened on one side of the machine base (1), a fixing bolt (6) is movably connected in the sliding groove (103), the fixing bolt (6) is a column rod threadedly connected to the sliding plate (5), and one side of the cloth roll (3) is provided with a crossbeam frame (7).

2. A cloth feeding mechanism for a lockstitch sewing machine according to claim 1, characterized in that: The crossbeam frame (7) is fixedly connected to the machine base (1); a plurality of cylinders (8) are fixedly connected to the top of the crossbeam frame (7); piston rods of the cylinders (8) pass through the crossbeam frame (7) and are fixedly connected to an ironing plate (9); and the ironing plate (9) is located at the inner bottom of the crossbeam frame (7).

3. A cloth feeding mechanism for a lockstitch sewing machine according to claim 2, characterized in that: One end of the ironing plate (9) passes through the slot of the crossbeam frame (7) and is fixedly connected to the machine base (1); a clamping plate (10) is provided at the bottom of the ironing plate (9); the clamping plate (10) is fixedly connected to the top of the machine base (1); a scraper frame (11) is provided on one side of the clamping plate (10); the bottom of the scraper frame (11) is fixedly connected to the machine base (1).

4. A cloth feeding mechanism for a lockstitch sewing machine according to claim 3, characterized in that: A sewing machine (13) is provided on the side of the scraper frame (11) away from the clamping plate (10); the sewing machine (13) is fixedly connected to the tabletop of the machine base (1); and a display screen (102) is provided on one side of the sewing machine (13).

5. A cloth feeding mechanism for a lockstitch sewing machine according to claim 4, characterized in that: A waste box (12) is provided on one side of the side plate of the machine base (1); the waste box (12) is movably connected in a slot box frame (101); the slot box frame (101) is welded to one side of the machine base (1); an opening on one side of the waste box (12) is flush with the table surface of the machine base (1); and a drawer (15) is provided inside the machine base (1).

6. A cloth feeding mechanism for a lockstitch sewing machine according to claim 5, characterized in that: Slide rails (14) are provided on both sides of the drawer (15); the drawer (15) is movably connected to the machine base (1) via the slide rails (14); the drawer (15) is movably connected to a plug-in slot (16) inside; the plug-in slot (16) divides the drawer (15) into a plurality of spaces; an electric push rod seat (17) is provided at the bottom of the machine base (1); and push rods of the electric push rod seat (17) are fixedly connected to the four corners of the machine base (1).

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