Cloth feeding mechanism of sewing machine

Abstract

The utility model discloses a cloth feeding mechanism of a sewing machine, which relates to the technical field of sewing machines and comprises a base, the upper surface of the base is fixedly connected with two support plates, the upper ends of the two support plates are jointly and fixedly connected with a workbench, and the upper surface of the workbench is fixedly connected with a sewing machine body. Two strip-shaped holes are formed in the upper surface of the workbench, sliding grooves are formed in the two sides of the two strip-shaped holes, a sliding block is arranged in each sliding groove in a sliding mode, a sliding plate is fixedly connected between the two corresponding sliding blocks, and pressing plates are arranged above the two sliding plates. The two sides of cloth can be pressed by moving the two pressing plates downwards, and then the cloth can be moved by moving the two sliding plates, so that the cloth cannot shake in the moving process, and the situation that threads sewn by the sewing machine body incline is prevented.

Description

Technical Field

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

[0002] A sewing machine is a machine that uses one or more sewing threads to form one or more stitches on a sewing material, so as to interweave or sew together one or more layers of sewing materials, and is mainly used for sewing clothes or other fabrics.

[0003] Among them, a sewing machine with the publication number of CN221117865U includes a machine body, a connecting shell and a frame body. A connecting shell is installed at the bottom of the machine body. An electric push rod is installed inside the connecting shell. A connecting bin is installed at the bottom of the electric push rod. A spring is connected inside the connecting bin. A connecting rod is connected to the bottom of the spring. A presser foot is connected to the bottom of the connecting rod. A base is connected to the bottom of the machine body. A control bin is arranged inside the base. A lead screw is installed in the control bin. A ball slide sleeve is threadedly connected to the surface of the lead screw.

[0004] However, when the existing sewing machine conveys fabrics, it usually requires workers to hold them by hand. After a long time of sewing work, the workers will get tired. Therefore, it is very easy for the sewn thread to be skewed at this time. Summary of the Utility Model

[0005] In view of the above problems existing in the existing sewing machines, the present utility model is proposed.

[0006] Therefore, the purpose of the present utility model is to provide a feeding mechanism of a sewing machine, which solves the problem that when the sewing machine conveys fabrics, it usually requires workers to hold them by hand. After a long time of sewing work, the workers will get tired. Therefore, it is very easy for the sewn thread to be skewed at this time.

[0007] In order to achieve the above purpose, the present utility model provides the following technical solutions:

[0008] A cloth feeding mechanism of a sewing machine, comprising a base, wherein the upper surface of the base is fixedly connected with two support plates, the upper ends of the two support plates are fixedly connected with a workbench together, the upper surface of the workbench is fixedly connected with a sewing machine body, two strip holes are opened on the upper surface of the workbench, sliding grooves are opened on both sides of the two strip holes, sliders are slidably arranged in each sliding groove, sliding plates are fixedly connected between the corresponding two sliders, pressing plates are arranged above the two sliding plates, two T-shaped grooves are opened on the upper surface of the base, T-shaped blocks are slidably arranged in the two T-shaped grooves, a fixing block is fixedly connected to the upper ends of the two T-shaped blocks, adjusting mechanisms are arranged between the fixing block and the two pressing plates, a cavity is opened in the fixing block, a driving mechanism is arranged in the cavity, and the two adjusting mechanisms are matched with the driving mechanism.

[0009] Preferably, the adjusting mechanism includes two lead screws, two moving blocks and two first bevel gears. The two lead screws are rotatably connected to the upper surface of the fixing block. Internal threaded holes are opened at the lower ends of the two moving blocks. The two moving blocks are respectively sleeved on the rod walls of the corresponding lead screws through the corresponding internal threaded holes. The two moving blocks respectively penetrate through the lower surfaces of the corresponding sliding plates and are respectively fixedly connected to the lower surfaces of the corresponding pressing plates.

[0010] Preferably, the driving mechanism includes a rotating rod, two second bevel gears and a knob. A through hole is opened on one side of the cavity. The rotating rod is rotatably connected to the inside of the through hole. The two second bevel gears are rotatably connected to the rod wall of the rotating rod and are respectively meshed with the corresponding first bevel gears. One end of the rotating rod penetrates through one side of the corresponding support plate and is fixedly connected to the corresponding knob.

[0011] Preferably, a strip hole is opened on one side of one of the support plates, and the strip hole is matched with the rotating rod.

[0012] Preferably, the cross section of the moving block is square, and square holes are opened on the upper surfaces of the two fixing blocks, and the two square holes are respectively matched with the corresponding fixing blocks.

[0013] Preferably, rubber pads are fixedly connected to the lower surfaces of the two pressing plates.

[0014] In the above technical solution, the technical effects and advantages provided by the present utility model are as follows:

[0015] 1. In the present utility model, by moving the two pressing plates downward, the two sides of the cloth can be pressed, and then by moving the two sliding plates, the cloth can be moved, so that the cloth will not shake during the movement, thereby preventing the thread sewn by the sewing machine body from being inclined.

[0016] 2. In this utility model, by rotating two knobs, the rotating rod rotates. Subsequently, through the transmission of two first bevel gears and a second bevel gear, two lead screws can be rotated. Then, two moving blocks can drive the corresponding pressing plates to move downward respectively and press the fabric. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] In order to more clearly illustrate the technical solutions in the embodiments of the present application or the prior art, the following will briefly introduce the drawings required in the embodiments. Obviously, the drawings described below are only some embodiments recorded in this utility model. For those of ordinary skill in the art, other drawings can also be obtained based on these drawings.

[0018] Figure 1 is a schematic structural diagram of this utility model;

[0019] Figure 2 is of this utility model Figure 1 cross-sectional view;

[0020] Figure 3 is of this utility model Figure 2 enlarged schematic view of part A.

[0021] Description of the reference numerals:

[0022] 1. Base; 2. Support plate; 3. Workbench; 4. Sewing machine body; 5. Slide block; 6. Slide plate; 7. Pressing plate; 8. T-shaped block; 9. Fixed block; 10. Lead screw; 11. Moving block; 12. First bevel gear; 13. Second bevel gear; 14. Knob; 15. Rubber pad; 16. Rotating rod. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0023] In order to enable those skilled in the art to better understand the technical solutions of this utility model, the following will further introduce this utility model in detail in conjunction with the drawings.

[0024] The embodiment of this utility model discloses a fabric feeding mechanism of a sewing machine.

[0025] This utility model provides as Figures 1-3The feeding mechanism of a sewing machine shown includes a base 1. Two support plates 2 are fixedly connected to the upper surface of the base 1. The upper ends of the two support plates 2 are jointly and fixedly connected to a workbench 3. A sewing machine body 4 is fixedly connected to the upper surface of the workbench 3. Two strip-shaped holes are opened on the upper surface of the workbench 3. Sliding grooves are opened on both sides of the two strip-shaped holes. A slider 5 is slidably arranged in each sliding groove. A sliding plate 6 is fixedly connected between the corresponding two sliders 5. Pressing plates 7 are arranged above the two sliding plates 6. Two T-shaped grooves are opened on the upper surface of the base 1. T-shaped blocks 8 are slidably arranged in the two T-shaped grooves. A fixing block 9 is fixedly connected to the upper ends of the two T-shaped blocks 8. Adjusting mechanisms are arranged between the fixing block 9 and the two pressing plates 7. A cavity is opened in the fixing block 9. A driving mechanism is arranged in the cavity. The two adjusting mechanisms are matched with the driving mechanism.

[0026] Moving the two pressing plates 7 downward can press the two sides of the fabric. Subsequently, by moving the two sliding plates 6, the fabric can be moved, so that the fabric will not shake during the movement, preventing the thread sewn by the sewing machine body 4 from being inclined.

[0027] To move the two pressing plates 7 downward, as Figures 1-3 shown, the adjusting mechanism includes two lead screws 10, two moving blocks 11 and two first bevel gears 12. The two lead screws 10 are rotatably connected to the upper surface of the fixing block 9. Internal threaded holes are opened at the lower ends of the two moving blocks 11. The two moving blocks 11 are respectively threadedly sleeved on the rod walls of the corresponding lead screws 10 through the corresponding internal threaded holes. The two moving blocks 11 respectively penetrate through the lower surfaces of the corresponding sliding plates 6 and are respectively fixedly connected to the lower surfaces of the corresponding pressing plates 7. The driving mechanism includes a rotating rod 16, two second bevel gears 13 and a knob 14. A through hole is opened on one side of the cavity. The rotating rod 16 is rotatably connected to the inside of the through hole. The two second bevel gears 13 are rotatably connected to the rod wall of the rotating rod 16 and are respectively meshed with the corresponding first bevel gears 12. One end of the rotating rod 16 penetrates through one side of the corresponding support plate 2 and is fixedly connected to the corresponding knob 14.

[0028] Rotating the two knobs 14 makes the rotating rod 16 rotate. Subsequently, the two lead screws 10 can be rotated by the transmission of the two first bevel gears 12 and second bevel gears 13. Then the two moving blocks 11 can drive the corresponding pressing plates 7 downward to press the fabric.

[0029] To enable the rotating rod 6 to move, as Figure 2 shown, a strip-shaped hole is opened on one side of one of the support plates 2. The strip-shaped hole is matched with the rotating rod 16.

[0030] The strip-shaped hole can facilitate the movement of the rotating rod 16.

[0031] To prevent the fixing block 9 from rotating with the corresponding lead screw 10, as Figure 2As shown, the cross-section of the moving block 11 is square, and square holes are formed in the upper surfaces of the two fixed blocks 9. The two square holes respectively match the corresponding fixed blocks 9.

[0032] Since the fixed block 9 is square and matches the square hole, the side wall of the fixed block 9 fits against the inner wall of the square hole, thereby playing a role in limiting and preventing the fixed block 9 from rotating with the corresponding lead screw 10.

[0033] To protect the fabric, as Figures 1-2 shown, rubber pads 15 are fixedly connected to the lower surfaces of the two pressing plates 7.

[0034] The rubber pads 15 can be used to prevent the pressing plates 7 from damaging the fabric.

[0035] Only some exemplary embodiments of the present invention have been described by way of illustration above. Undoubtedly, for those of ordinary skill in the art, the described embodiments can be modified in various different ways without departing from the spirit and scope of the present invention. Therefore, the above drawings and descriptions are illustrative in nature and should not be construed as limiting the scope of protection of the claims of the present invention.

Claims

1. A cloth feeding mechanism of a sewing machine, comprising a base (1), characterized in that: The upper surface of the base (1) is fixedly connected with two support plates (2), the upper ends of the two support plates (2) are fixedly connected with a workbench (3), the upper surface of the workbench (3) is fixedly connected with a sewing machine body (4), the upper surface of the workbench (3) is provided with two strip holes, both sides of the two strip holes are provided with slide grooves, a slider (5) is slidably arranged inside each of the slide grooves, a sliding plate (6) is fixedly connected between the corresponding two sliders (5), a pressing plate (7) is arranged above the two sliding plates (6), the upper surface of the base (1) is provided with two T-shaped grooves, the inside of the two T-shaped grooves are slidably provided with a T-shaped block (8), the upper ends of the two T-shaped blocks (8) are fixedly connected with a fixed block (9), an adjustment mechanism is arranged between the fixed block (9) and the two pressing plates (7), a cavity is arranged inside the fixed block (9), a driving mechanism is arranged inside the cavity, and the two adjustment mechanisms match the driving mechanism.

2. The cloth feeding mechanism of a sewing machine according to claim 1, characterized in that: The adjustment mechanism comprises two screw rods (10), two moving blocks (11) and two first bevel gears (12); the two screw rods (10) are rotatably connected to the upper surface of the fixed block (9); the lower ends of the two moving blocks (11) are provided with internal threaded holes; the two moving blocks (11) are respectively threadedly sleeved on the rod walls of the corresponding screw rods (10) through the corresponding internal threaded holes; the two moving blocks (11) respectively penetrate the lower surfaces of the corresponding sliding plates (6) and are respectively fixedly connected to the lower surfaces of the corresponding pressing plates (7).

3. The cloth feeding mechanism of a sewing machine according to claim 1, characterized in that: The driving mechanism comprises a rotating rod (16), two second bevel gears (13) and a knob (14); a through hole is provided on one side of the cavity; the rotating rod (16) is rotatably connected to the inside of the through hole; the two second bevel gears (13) are both rotatably connected to the rod wall of the rotating rod (16) and respectively mesh with the corresponding first bevel gears (12); one end of the rotating rod (16) passes through one side of the corresponding support plate (2) and is fixedly connected to the corresponding knob (14).

4. The cloth feeding mechanism of a sewing machine according to claim 1, characterized in that: One side of one of the support plates (2) is provided with a strip-shaped hole, and the strip-shaped hole matches the rotating rod (16).

5. The cloth feeding mechanism of a sewing machine according to claim 2, characterized in that: The cross section of the moving block (11) is square, and the upper surfaces of the two fixed blocks (9) are each provided with a square hole, and the two square holes are respectively matched with the corresponding fixed blocks (9).

6. The cloth feeding mechanism of a sewing machine according to claim 1, characterized in that: The lower surfaces of the two pressing plates (7) are both fixedly connected with rubber pads (15).

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