Feeding mechanism of sewing machine

Abstract

The utility model discloses a feeding mechanism of sewing machine relates to sewing machine feeding technical field, including arc-shaped plate, two U-shaped rod and a plurality of slide plate, the side wall of arc-shaped plate is provided with sewing mouth, the side wall of arc-shaped plate is fixedly provided with two mounting plate, the both ends of each U-shaped rod are respectively with the corresponding mounting plate fixed connection, the slide plate is fixed with the mounting plate. And each sliding plate is movably connected to the rod walls of the two U-shaped rods in a sleeving mode, and a plurality of pressing rollers are arranged on the side wall of the arc-shaped plate in an attached mode. According to the cloth feeding device, the two U-shaped rods, the multiple sliding plates and the multiple pressing rollers are arranged, the multiple pressing rollers are away from the arc-shaped plate in the initial state, the processing cloth is laid on the surface of the arc-shaped plate, the multiple sliding plates are moved, the multiple driving mechanisms drive the pressing rollers to be connected to one side of the processing cloth in a pressed mode, and therefore the cloth feeding stability of the processing cloth with different widths can be improved; and rolling friction occurs between the multiple pressing rollers and the processing cloth, so that the conveying fluency of the processing cloth is improved.

Description

Technical Field

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

[0002] A sewing machine is a manually operated sewing machine that sews cloth. Workers need to move the cloth on the sewing machine by hand to sew. This mechanical and repetitive labor method will make workers physically and mentally tired, and the sewing trajectory is not accurate due to manual operation, which can easily affect production efficiency and production results. Therefore, a feeding mechanism for a sewing machine was introduced.

[0003] After searching, a feeding mechanism of a sewing machine with publication number CN218026634U includes the technical field of feeding mechanism, a group of mounting plates are installed on both sides of the push plate, a bidirectional screw is rotatably installed between each group of two mounting plates, a first thread seat is arranged on each thread of each bidirectional screw, a side plate is commonly installed on the upper surface of the two first thread seats on each same-direction thread, and one end of each first thread seat passes through the corresponding mounting plate and is installed with a first knob.

[0004] However, the feeding mechanism of the existing sewing machine has certain drawbacks when in use. Although the device can convey processed cloths of different widths, there is sliding friction between the pressing plate and the processed cloth, and the friction force is relatively large, making it difficult to convey the processed cloth stably. Utility Model Content

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

[0006] Therefore, the purpose of the utility model is to provide a feeding mechanism for a sewing machine, which solves the problem that although the device can transport processed cloth of different widths, there is sliding friction between the pressure plate and the processed cloth, the friction force is large, and it is difficult to stably transport the processed cloth.

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

[0008] A feeding mechanism of a sewing machine comprises an arc-shaped plate, two U-shaped rods and a plurality of slide plates, wherein a sewing opening is provided on the side wall of the arc-shaped plate, two mounting plates are fixedly provided on the side wall of the arc-shaped plate, two ends of each of the U-shaped rods are respectively fixedly connected to the corresponding mounting plates, each of the slide plates is movably sleeved on the rod walls of the two U-shaped rods, a plurality of pressure rollers are fitted on the side wall of the arc-shaped plate, a driving mechanism is provided at the bottom of each of the slide plates, and each of the pressure rollers matches the corresponding driving mechanism.

[0009] Preferably, each of the driving mechanisms includes a T-shaped plate, a screw rod, a crank, a movable plate, two connecting plates and a rotating rod, the T-shaped plate is fixedly arranged at the bottom of the corresponding slide plate, the screw rod is rotatably sleeved on the side wall of the T-shaped plate, the crank is fixedly connected to one end of the screw rod, the movable plate is threadedly sleeved on the rod wall of the screw rod, the two connecting plates are fixedly arranged at the bottom of the movable plate, the rotating rod is rotatably sleeved on the inside of the corresponding pressure roller, and the two ends of the rotating rod are respectively fixedly connected to the corresponding connecting plates.

[0010] Preferably, a plurality of threaded holes are formed on the rod wall of each of the U-shaped rods, two first screw rods are movably sleeved on the side wall of each of the slide plates, and the other end of each of the first screw rods is threadedly sleeved on the inside of the corresponding threaded hole.

[0011] Preferably, a limiting rod is fixedly provided at the bottom of each T-shaped plate, and each movable plate is movably sleeved on a rod wall of a corresponding limiting rod.

[0012] Preferably, the heights of every two symmetrical T-shaped plates are consistent, and the heights of every two symmetrical connecting plates are consistent.

[0013] Preferably, each side wall of the mounting plate is movably connected with a second screw rod.

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

[0015] 1. The utility model provides two U-shaped rods, a plurality of slide plates and a plurality of pressure rollers. In an initial state, the plurality of pressure rollers are all away from the arc plate. The processed cloth is laid on the surface of the arc plate. The plurality of slide plates are moved and the pressure rollers are driven by a plurality of driving mechanisms to press the processing cloth on one side. This improves the feeding stability of the processing cloth of different widths. Rolling friction occurs between the plurality of pressure rollers and the processing cloth, thereby improving the smoothness of the processing cloth conveying.

[0016] 2. The utility model sets up a driving mechanism, which includes a T-shaped plate, a screw rod, a crank, a movable plate, two connecting plates and a rotating rod. The crank drives the corresponding screw rod to rotate, and the screw rod can drive the movable plate to move when it rotates. The movable plate can drive the corresponding two connecting plates, the rotating rod and the pressure roller to move synchronously, thereby ensuring that multiple pressure rollers are smoothly pressed onto one side of the processed cloth.

[0017] 3. The utility model provides a plurality of first screw rods, and a plurality of threaded holes are opened on the rod wall of each U-shaped rod. The sliding plate is moved to move the pressure roller. The plurality of first screw rods are turned so that one end of the plurality of first screw rods is threadedly sleeved on the inside of the corresponding threaded holes, thereby positioning the plurality of sliding plates and realizing synchronous positioning of the plurality of pressure rollers. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings required for use in the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments recorded in the present utility model. For ordinary technicians in this field, other drawings can also be obtained based on these drawings.

[0019] Figure 1 It is the front view of the utility model;

[0020] Figure 2 For the utility model Figure 1 A schematic cross-sectional structure diagram of;

[0021] Figure 3 For the utility model Figure 1 A three-dimensional diagram of a curved plate.

[0022] Description of reference numerals:

[0023] 1. Arc plate; 2. U-shaped rod; 3. Slide plate; 4. Sewing mouth; 5. Mounting plate; 6. Pressing roller; 7. T-shaped plate; 8. Screw rod; 9. Crank handle; 10. Moving plate; 11. Connecting plate; 12. Rotating rod; 13. Threaded hole; 14. First screw rod; 15. Limit rod; 16. Second screw rod. DETAILED DESCRIPTION

[0024] In order to enable those skilled in the art to better understand the technical solution of the present invention, the present invention will be further described in detail below in conjunction with the accompanying drawings.

[0025] The utility model embodiment discloses a feeding mechanism of a sewing machine.

[0026] The utility model provides Figure 1-Figure 3 The feeding mechanism of a sewing machine shown in the figure comprises an arc-shaped plate 1, two U-shaped rods 2 and a plurality of slide plates 3. A sewing opening 4 is provided on the side wall of the arc-shaped plate 1. Two mounting plates 5 are fixedly provided on the side wall of the arc-shaped plate 1. The two ends of each U-shaped rod 2 are respectively fixedly connected to the corresponding mounting plates 5. Each slide plate 3 is movably sleeved on the rod wall of the two U-shaped rods 2. A plurality of pressure rollers 6 are fitted on the side wall of the arc-shaped plate 1. A driving mechanism is provided at the bottom of each slide plate 3, and each pressure roller 6 matches the corresponding driving mechanism.

[0027] In order to ensure that the plurality of pressing rollers 6 are pressed smoothly on one side of the processed cloth, Figure 1-Figure 2As shown, each driving mechanism includes a T-shaped plate 7, a screw rod 8, a crank 9, a movable plate 10, two connecting plates 11 and a rotating rod 12. The T-shaped plate 7 is fixedly arranged at the bottom of the corresponding slide plate 3, the screw rod 8 is rotatably sleeved on the side wall of the T-shaped plate 7, the crank 9 is fixedly connected to one end of the screw rod 8, the movable plate 10 is threadedly sleeved on the rod wall of the screw rod 8, the two connecting plates 11 are both fixedly arranged at the bottom of the movable plate 10, the rotating rod 12 is rotatably sleeved on the inside of the corresponding pressure roller 6, and the two ends of the rotating rod 12 are respectively fixedly connected to the corresponding connecting plates 11.

[0028] In order to position the plurality of slide plates 3, the synchronous positioning of the plurality of pressure rollers 6 is also achieved. Figure 1-Figure 2 As shown, the rod wall of each U-shaped rod 2 is provided with a plurality of threaded holes 13 , and the side wall of each slide plate 3 is movably sleeved with two first screw rods 14 , and the other end of each first screw rod 14 is threadedly sleeved into the inside of the corresponding threaded hole 13 .

[0029] In order to limit the movement of the movable plate 10 and ensure that the movable plate 10 can move stably, Figure 1-Figure 2 As shown, a limiting rod 15 is fixedly provided at the bottom of each T-shaped plate 7 , and each movable plate 10 is movably sleeved on the rod wall of the corresponding limiting rod 15 .

[0030] In order to ensure that the plurality of pressing rollers 6 can be pressed on one side of the processed cloths of different widths, Figure 1-Figure 2 As shown, every two symmetrical T-shaped plates 7 have the same height, and every two symmetrical connecting plates 11 have the same height.

[0031] Finally, in order to be able to install the feeding mechanism, such as Figure 1-Figure 2 As shown, a second screw rod 16 is movably inserted into the side wall of each mounting plate 5 .

[0032] The above only describes some exemplary embodiments of the present invention by way of illustration. It is undoubted that those skilled in the art can modify the described embodiments in various 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 feeding mechanism for a sewing machine, comprising an arc-shaped plate (1), two U-shaped rods (2) and a plurality of slide plates (3), characterized in that: The side wall of the arc-shaped plate (1) is provided with a sewing opening (4), and two mounting plates (5) are fixedly provided on the side wall of the arc-shaped plate (1). The two ends of each U-shaped rod (2) are respectively fixedly connected to the corresponding mounting plates (5), and each slide plate (3) is movably sleeved on the rod wall of the two U-shaped rods (2). A plurality of pressure rollers (6) are fitted on the side wall of the arc-shaped plate (1), and a driving mechanism is provided at the bottom of each slide plate (3), and each pressure roller (6) is matched with the corresponding driving mechanism.

2. A feeding mechanism for a sewing machine according to claim 1, characterized in that: Each of the driving mechanisms comprises a T-shaped plate (7), a screw rod (8), a crank handle (9), a movable plate (10), two connecting plates (11) and a rotating rod (12); the T-shaped plate (7) is fixedly arranged at the bottom of the corresponding slide plate (3); the screw rod (8) is rotatably sleeved on the side wall of the T-shaped plate (7); the crank handle (9) is fixedly connected to one end of the screw rod (8); the movable plate (10) is threadedly sleeved on the rod wall of the screw rod (8); the two connecting plates (11) are both fixedly arranged at the bottom of the movable plate (10); the rotating rod (12) is rotatably sleeved on the inside of the corresponding pressure roller (6); and the two ends of the rotating rod (12) are respectively fixedly connected to the corresponding connecting plates (11).

3. The feeding mechanism of a sewing machine according to claim 1, characterized in that: The rod wall of each U-shaped rod (2) is provided with a plurality of threaded holes (13), the side wall of each slide plate (3) is movably sleeved with two first screw rods (14), and the other end of each first screw rod (14) is threadedly sleeved inside the corresponding threaded hole (13).

4. The feeding mechanism of a sewing machine according to claim 2, characterized in that: A limiting rod (15) is fixedly provided at the bottom of each T-shaped plate (7), and each movable plate (10) is movably sleeved on the rod wall of the corresponding limiting rod (15).

5. The feeding mechanism of a sewing machine according to claim 2, characterized in that: The heights of the two symmetrical T-shaped plates (7) are consistent, and the heights of the two symmetrical connecting plates (11) are consistent.

6. The feeding mechanism of a sewing machine according to claim 1, characterized in that: A second screw rod (16) is movably inserted into the side wall of each mounting plate (5).

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