A fabric feeding device for a sewing machine

Abstract

This utility model relates to the field of sewing machine technology and discloses a fabric feeding device for a sewing machine, including a base. A sewing machine body is fixedly connected to the top rear side of the base, and a mounting seat is fixedly connected to the right end of the base. A servo motor is provided on the front side of the mounting seat, and an active roller is rotatably connected to the bottom inner side of the mounting seat. A limit rod is slidably connected to the top of the mounting seat, and a pull rod is fixedly connected to the top of the limit rod. A connecting seat is fixedly connected to the bottom of the limit rod, and limit springs are fixedly connected to both sides of the top of the connecting seat. A rubber roller is rotatably connected to the inner side of the connecting seat. By setting the rubber roller, active roller, etc., in conjunction with the servo motor, the rubber roller and active roller increase the contact area with the fabric, thereby strengthening the friction and enhancing the conveying effect. The servo motor drives the active roller to rotate through its output end, and the rotation of the active roller drives the rubber roller to rotate in the opposite direction, improving processing efficiency and making it convenient for workers to use.

Description

Technical Field

[0001] This utility model relates to the field of sewing machine technology, specifically to a fabric feeding device for a sewing machine. Background Technology

[0002] As an important piece of textile machinery, the sewing machine has played a vital role in the textile industry since its inception. A sewing machine is a machine that uses one or more sewing threads to form one or more stitches on the fabric, thereby interweaving or sewing together one or more layers of fabric.

[0003] In existing technology, sewing machines typically use feed dogs to transport fabric. However, due to the limited contact area between the feed dogs and the fabric, especially for double or multi-layered fabrics, the transport process is often quite strenuous, affecting not only processing efficiency but also product quality and making it inconvenient for operators. Utility Model Content

[0004] To address the shortcomings of existing technologies, this utility model provides a fabric feeding device for sewing machines, solving the problem mentioned in the background section where sewing machines typically use feed dogs to transport fabric. However, due to the limited contact area between the feed dogs and the fabric, especially for double-layered or multi-layered fabrics, the feeding process is often quite laborious, affecting not only processing efficiency but also product quality and making it inconvenient for operators.

[0005] To achieve the above objectives, this utility model provides the following technical solution: a fabric feeding device for a sewing machine, comprising a base, a support leg fixedly connected to the bottom of the base, a sliding groove formed on the top left side of the base, a sewing machine body fixedly connected to the top rear side of the base, a mounting seat fixedly connected to the right end of the base, a servo motor disposed on the front side of the mounting seat, a drive roller rotatably connected to the bottom inner side of the mounting seat, a rubber layer fixedly connected to the surface of the drive roller, a limit rod slidably connected to the top of the mounting seat, a pull rod fixedly connected to the top of the limit rod, a connecting seat fixedly connected to the bottom of the limit rod, limit springs fixedly connected to both sides of the top of the connecting seat, a rubber roller rotatably connected to the inner side of the connecting seat, an electric push rod fixedly connected to the bottom of the base, a fixing block fixedly connected to the bottom of the electric push rod, a sliding block fixedly connected to the top rear side of the fixing block, and a leveling roller rotatably connected to the top front side of the sliding block.

[0006] Preferably, the output end of the servo motor extends through the front wall of the mounting base into the interior of the mounting base and is fixedly connected to the front side of the drive roller.

[0007] Preferably, the rubber roller is positioned directly above the drive roller, and the diameter of the rubber roller is smaller than the diameter of the drive roller.

[0008] By adopting the above technical solution, rubber rollers and active rollers are used in conjunction with a servo motor. The rubber rollers move down to squeeze the active roller, thereby squeezing and fixing the fabric located between the active roller and the rubber roller. The rubber roller and the active roller increase the contact area with the fabric, thereby strengthening the friction and enhancing the conveying effect. The servo motor drives the active roller to rotate through the output end, and the rotation of the active roller drives the rubber roller to rotate in the opposite direction, improving processing efficiency and making it convenient for workers to use.

[0009] Preferably, there are two limiting springs, which are symmetrically distributed on both sides of the top of the connecting seat, and the tops of the two limiting springs are fixedly connected to the top of the inner wall of the mounting seat.

[0010] Preferably, the limiting rod passes through the top of the mounting base and extends to the upper interior side of the mounting base.

[0011] Preferably, the length and width of the sliding block are the same as the length and width of the inner wall of the sliding groove, and the sliding block passes through the sliding groove and extends to the top of the base.

[0012] By adopting the above technical solution, a sliding block, a leveling roller, a fixed block, and an electric push rod are set up. The electric push rod pushes the fixed block to move down, and the fixed block drives the leveling roller to move down through the sliding block, so that it fits against the top of the base. This presses the fabric firmly onto the base, avoiding wrinkles in the fabric during the conveying process, improving product quality, and making it convenient for workers to use.

[0013] Compared with the prior art, the beneficial effects of this utility model are:

[0014] 1. This sewing machine uses a fabric feeding device that uses a rubber roller, a drive roller, and a servo motor. The rubber roller moves down and squeezes the drive roller, thereby squeezing and fixing the fabric between the drive roller and the rubber roller. The rubber roller and the drive roller increase the contact area with the fabric, thereby strengthening the friction and enhancing the conveying effect. The servo motor drives the drive roller to rotate through its output end. The rotation of the drive roller drives the rubber roller to rotate in the opposite direction, improving processing efficiency and making it convenient for workers to use.

[0015] 2. The sewing machine uses a fabric feeding device that includes a sliding block, a leveling roller, and a fixed block, all working in conjunction with an electric push rod. The electric push rod pushes the fixed block downwards, which in turn drives the leveling roller downwards via the sliding block, thus pressing the fabric firmly onto the base. This prevents wrinkles from forming during fabric feeding, improves product quality, and makes the machine easier for workers to use. Attached Figure Description

[0016] Figure 1 This is a front view structural diagram of the present invention;

[0017] Figure 2 This is a schematic diagram of the structure of this utility model from below;

[0018] Figure 3 This is a schematic diagram of the base structure of this utility model;

[0019] Figure 4 This is a schematic diagram of the mounting base structure of this utility model;

[0020] Figure 5 This is a schematic diagram of the leveling roller structure of this utility model.

[0021] In the diagram: 1. Base; 2. Support leg; 3. Sliding groove; 4. Sewing machine body; 5. Mounting seat; 6. Drive roller; 7. Rubber layer; 8. Limiting rod; 9. Pull rod; 10. Limiting spring; 11. Connecting seat; 12. Rubber roller; 13. Electric push rod; 14. Fixing block; 15. Sliding block; 16. Leveling roller; 17. Servo motor. Detailed Implementation

[0022] 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.

[0023] Example 1:

[0024] Referring to Figures 1-4, a fabric feeding device for a sewing machine includes a base 1. A support leg 2 is fixedly connected to the bottom of the base 1. A sliding groove 3 is formed on the top left side of the base 1. A sewing machine body 4 is fixedly connected to the top rear side of the base 1. A mounting base 5 is fixedly connected to the right end of the base 1. A servo motor 17 is disposed on the front side of the mounting base 5. A drive roller 6 is rotatably connected to the bottom inner side of the mounting base 5. The output end of the servo motor 17 extends through the front wall of the mounting base 5 into the interior of the mounting base 5 and is fixedly connected to the front side of the drive roller 6. A rubber layer 7 is fixedly connected to the surface of the drive roller 6. A limit rod 8 is slidably connected to the top of the mounting base 5. A pull rod 9 is fixedly connected to the top of the limit rod 8. A connecting seat 11 is fixedly connected. Limiting springs 10 are fixedly connected to both sides of the top of the connecting seat 11. There are two limiting springs 10, which are symmetrically distributed on both sides of the top of the connecting seat 11. The top of the two limiting springs 10 is fixedly connected to the top of the inner wall of the mounting base 5. A rubber roller 12 is rotatably connected to the inner side of the connecting seat 11. The position of the rubber roller 12 is directly above the active roller 6, and the diameter of the rubber roller 12 is smaller than the diameter of the active roller 6. An electric push rod 13 is fixedly connected to the bottom of the base 1. A fixing block 14 is fixedly connected to the bottom of the electric push rod 13. A sliding block 15 is fixedly connected to the rear side of the top of the fixing block 14. A leveling roller 16 is rotatably connected to the front side of the top of the sliding block 15.

[0025] Working principle: In use, the operator first pulls the fabric from the left side of the base 1 to the right side. At this time, the operator pulls the limiting rod 8, which drives the rubber roller 12 to rise through the connecting seat 11, creating a gap between the rubber roller 12 and the drive roller 6. The operator can then extend the fabric to the upper surface of the drive roller 6. The operator releases the pull rod 9, and the limiting spring 10 pushes the connecting seat 11 downward. The connecting seat 11 then drives the rubber roller 12 downward, thus squeezing and fixing the fabric. The rubber roller 12 and the drive roller 6 increase the contact area with the fabric, thereby strengthening the friction and enhancing the conveying effect. The servo motor 17 drives the drive roller 6 to rotate through the output end. The rotation of the drive roller 6 drives the rubber roller 12 to rotate in the opposite direction, thereby pulling the fabric from left to right. When used in conjunction with the sewing machine body 4, it can complete the feeding and sewing work, improving processing efficiency and making it convenient for operators to use.

[0026] Compared with related technologies, the fabric feeding device for sewing machines provided by this utility model has the following beneficial effects: by setting up a rubber roller 12, an active roller 6, etc., in conjunction with a servo motor 17, the rubber roller 12 moves down to squeeze the active roller 6, thereby squeezing and fixing the fabric located between the active roller 6 and the rubber roller 12. The rubber roller 12 and the active roller 6 increase the contact area with the fabric, thereby strengthening the friction and enhancing the conveying effect. The servo motor 17 drives the active roller 6 to rotate through the output end, and the rotation of the active roller 6 drives the rubber roller 12 to rotate in the opposite direction, improving processing efficiency and making it convenient for workers to use.

[0027] Example 2:

[0028] Please refer to Figures 1-5. The bottom of the base 1 is fixedly connected to the support leg 2. The top left side of the base 1 is provided with a sliding groove 3. The top rear side of the base 1 is fixedly connected to the sewing machine body 4. The bottom of the base 1 is fixedly connected to the electric push rod 13. The bottom of the electric push rod 13 is fixedly connected to the fixing block 14. The top rear side of the fixing block 14 is fixedly connected to the sliding block 15. The length and width of the sliding block 15 are the same as the length and width of the inner wall of the sliding groove 3. The sliding block 15 passes through the sliding groove 3 and extends to the top upper side of the base 1. The top front side of the sliding block 15 is rotatably connected to the leveling roller 16.

[0029] Working principle: When in use, the operator starts the electric push rod 13. The electric push rod 13 pushes the fixed block 14 down through the extension end. The downward movement of the fixed block 14 will drive the leveling roller 16 down through the sliding block 15. The leveling roller 16 moves down and fits against the top of the base 1, thereby pressing the fabric on the surface of the base 1 firmly onto the base 1. With the help of the drive roller 6 and the rubber roller 12, the fabric is tightened, thus avoiding wrinkles in the fabric during the conveying process, improving product quality and making it convenient for operators to use.

[0030] Compared with related technologies, the fabric feeding device for sewing machines provided by this utility model has the following beneficial effects: by setting up a sliding block 15, a leveling roller 16, a fixed block 14, etc., in conjunction with an electric push rod 13, the electric push rod 13 pushes the fixed block 14 downward, and the fixed block 14 drives the leveling roller 16 downward through the sliding block 15, so as to fit against the top of the base 1, thereby pressing the fabric firmly onto the base 1, avoiding wrinkles in the fabric during the conveying process, improving product quality, and making it convenient for workers to use.

[0031] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A fabric feeding device for a sewing machine, comprising a base (1), characterized in that: The base (1) has a support leg (2) fixedly connected to its bottom. A sliding groove (3) is provided on the top left side of the base (1). A sewing machine body (4) is fixedly connected to the top rear side of the base (1). A mounting seat (5) is fixedly connected to the right end of the base (1). A servo motor (17) is provided on the front side of the mounting seat (5). An active roller (6) is rotatably connected to the bottom inner side of the mounting seat (5). A rubber layer (7) is fixedly connected to the surface of the active roller (6). A limit rod (8) is slidably connected to the top of the mounting seat (5). A pull rod (9) is fixedly connected to the top of the base (1), a connecting seat (11) is fixedly connected to the bottom of the limiting rod (8), a limiting spring (10) is fixedly connected to both sides of the top of the connecting seat (11), a rubber roller (12) is rotatably connected to the inner side of the connecting seat (11), an electric push rod (13) is fixedly connected to the bottom of the base (1), a fixing block (14) is fixedly connected to the bottom of the electric push rod (13), a sliding block (15) is fixedly connected to the rear side of the top of the fixing block (14), and a leveling roller (16) is rotatably connected to the front side of the top of the sliding block (15).

2. The fabric feeding device for a sewing machine according to claim 1, characterized in that: The output end of the servo motor (17) extends through the front wall of the mounting base (5) into the interior of the mounting base (5) and is fixedly connected to the front side of the drive roller (6).

3. The fabric feeding device for a sewing machine according to claim 1, characterized in that: The rubber roller (12) is located directly above the drive roller (6), and the diameter of the rubber roller (12) is smaller than the diameter of the drive roller (6).

4. The fabric feeding device for a sewing machine according to claim 1, characterized in that: There are two limiting springs (10). The two limiting springs (10) are symmetrically distributed on both sides of the top of the connecting seat (11), and the top of the two limiting springs (10) is fixedly connected to the top of the inner wall of the mounting seat (5).

5. A fabric feeding device for a sewing machine according to claim 1, characterized in that: The limiting rod (8) passes through the top of the mounting base (5) and extends to the upper interior side of the mounting base (5).

6. The fabric feeding device for a sewing machine according to claim 1, characterized in that: The length and width of the sliding block (15) are the same as the length and width of the inner wall of the sliding groove (3), and the sliding block (15) passes through the sliding groove (3) and extends to the top upper side of the base (1).

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