Guide device of sewing machine

Abstract

The utility model relates to the technical field of guide devices, and discloses a guide device of a sewing machine, which comprises a sewing table, a sewing machine main body is fixedly mounted in the middle of the top of the sewing table, support legs are fixedly mounted at the bottom of the sewing table, and a fixed roller is movably mounted on the right side of the sewing table. A fixing frame is fixedly installed at the position, corresponding to the fixing roller, of the sewing table, and an adjusting roller is arranged above the fixing roller. The second worm and the first worm can drive the first worm gear and the second worm gear to drive the adjusting roller and the fixing roller to rotate in opposite directions, cloth can be pushed at a constant speed, the fixing block can be controlled through the two-way screw to drive the limiting block to move on the guide roller, and the position of the limiting block is adjusted according to the width of the cloth. The limiting blocks are clamped on the two sides of the cloth to limit the cloth, and therefore the situation that deviation is generated when the cloth moves, sewing lines deviate, the product quality is affected, and reworking is caused is avoided.

Description

Technical Field

[0001] This utility model relates to the field of guiding device technology, and in particular to a guiding device for a sewing machine. Background Technology

[0002] A sewing machine, also known as an ultrasonic lace machine or ultrasonic embossing machine, is a highly efficient sewing and embossing device, mainly used for processing synthetic fiber fabrics such as hemming, welding, cutting, and embossing.

[0003] Existing sewing machines rely on manual pushing of the fabric across a guide table. However, uneven force applied manually during this process can cause deviations in the fabric's movement, resulting in misaligned stitches, compromised product quality, and rework. Utility Model Content

[0004] The purpose of this invention is to address the shortcomings of existing technologies by proposing a guiding device for a sewing machine.

[0005] To achieve the above objectives, the present invention adopts the following technical solution:

[0006] A guiding device for a sewing machine includes a sewing table. A sewing machine body is fixedly mounted at the top center of the sewing table. A support leg is fixedly mounted at the bottom of the sewing table. A fixed roller is movably mounted on the right side of the sewing table. A fixed frame is fixedly mounted on the sewing table corresponding to the fixed roller. An adjusting roller is positioned above the fixed roller. Slider blocks are positioned on both sides of the adjusting roller, and the adjusting roller and the sliders are movably connected. Movable grooves are formed on both sides of the fixed frame, and the sliders are movably mounted in the movable grooves. A guide roller is movably mounted on the left side of the sewing table. Limit blocks are movably mounted on both ends of the guide roller. A bidirectional screw is positioned on the right side of the guide roller and movably mounted on the sewing table. Fixed blocks are threaded onto both ends of the bidirectional screw, and the fixed blocks are fixedly connected to the sidewalls of the limit blocks. The two ends of the bidirectional screw have opposite patterns. A drive motor is fixedly mounted on the outer side of the sewing table corresponding to the bidirectional screw, and the output end of the drive motor is fixedly connected to the bidirectional screw. A controller is fixedly mounted on the sidewall of the sewing table.

[0007] As a further embodiment of this utility model, a first worm gear is movably mounted on the outer side of the slider at the left end of the adjusting roller. The first worm gear is fixedly connected to one end of the adjusting roller. A first worm is provided on the left side of the first worm gear, and the first worm meshes with the first worm gear. A second worm gear is movably mounted on the left side of the sewing table. The second worm gear is fixedly connected to one end of the fixed roller. A second worm is provided on the left side of the second worm gear, and the second worm meshes with the second worm gear. The patterns on the second worm are opposite to those on the first worm. The first worm gear and the second worm gear are the same size.

[0008] As a further embodiment of this utility model, a connecting plate is fixedly installed on the top outer side of the slider, and a bearing is fixedly installed on the connecting plate at the position corresponding to the first worm. The top of the first worm is fixedly installed in the inner ring of the bearing. A fixing plate is provided at the bottom of the second worm. The fixing plate is fixedly installed on the sewing table. The second worm is movably installed on the fixing plate. A servo motor is fixedly installed at the bottom of the fixing plate. The output end of the servo motor penetrates the fixing plate and is fixedly connected to the bottom of the second worm.

[0009] As a further embodiment of this utility model, an adjustment frame is provided on the top of the fixed frame, and the two ends of the adjustment frame penetrate the fixed frame and are fixedly connected to the top of the slider. A rotating rod is movably installed at the middle position of the top of the fixed frame, and the adjustment frame is threaded onto the rotating rod.

[0010] As a further embodiment of this utility model, a connecting rod is fixedly installed on the top of the second worm gear, and a connecting groove is provided at the middle position of the bottom of the first worm gear, wherein the connecting rod can be movably inserted into the connecting groove.

[0011] As a further embodiment of this utility model, a material feed plate is fixedly installed on the right side of the sewing table, and the right side of the material feed plate is inclined downward.

[0012] Compared with the prior art, the present invention has the following beneficial effects:

[0013] In this invention, the second worm and the first worm drive the first worm wheel and the second worm wheel to drive the adjusting roller and the fixed roller to rotate in opposite directions, which can push the fabric at a uniform speed. The bidirectional screw can control the fixed block to drive the limiting block to move on the guide roller. The position of the limiting block is adjusted according to the width of the fabric, so that the limiting block is stuck on both sides of the fabric to limit the fabric, thereby avoiding deviation of the fabric when moving, causing the sewn lines to shift, affecting product quality, and causing rework. Attached Figure Description

[0014] Figure 1 This is a schematic diagram of the overall structure of a guide device for a sewing machine according to the present invention;

[0015] Figure 2 This utility model Figure 1 Enlarged view of point A in the middle;

[0016] Figure 3 This utility model Figure 1 Enlarged view at point B in the middle;

[0017] Figure 4 This is a partial structural schematic diagram of a guide device for a sewing machine proposed in this utility model.

[0018] In the diagram: 1. Sewing table; 2. Sewing machine body; 3. Fixing frame; 4. Fixing roller; 5. Adjusting roller; 6. Adjusting frame; 7. Rotating rod; 8. Controller; 9. Guide roller; 10. Support leg; 11. Drive motor; 12. Fixing plate; 13. Servo motor; 14. Feeding plate; 15. Movable groove; 16. Slider; 17. First worm gear; 18. Second worm gear; 19. Connecting plate; 20. Second worm; 21. Connecting rod; 22. First worm; 23. Bearing; 24. Limiting block; 25. Fixing block; 26. Bidirectional screw; 27. Connecting groove. Detailed Implementation

[0019] To make the technical means, creative features, objectives and effects of this utility model easier to understand, the present utility model will be further described below in conjunction with specific embodiments.

[0020] In the description of this utility model, it should be noted that the terms "upper," "lower," "inner," "outer," "front end," "rear end," "both ends," "one end," and "the other end," etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are used only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this utility model. In addition, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance.

[0021] In the description of this utility model, it should be noted that, unless otherwise explicitly specified and limited, the terms "installed," "equipped with," and "connected," etc., should be interpreted broadly. 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 an indirect connection through an intermediate medium; it can be a connection within two components. Those skilled in the art can understand the specific meaning of the above terms in this utility model based on the specific circumstances.

[0022] Reference Figure 1 - Figure 4A guiding device for a sewing machine includes a sewing table 1. A sewing machine body 2 is fixedly mounted at the top center of the sewing table 1. A support leg 10 is fixedly mounted at the bottom of the sewing table 1. A fixed roller 4 is movably mounted on the right side of the sewing table 1. A fixing frame 3 is fixedly mounted on the sewing table 1 at a position corresponding to the fixed roller 4. An adjusting roller 5 is positioned above the fixed roller 4. Slider blocks 16 are positioned on both sides of the adjusting roller 5, and the adjusting roller 5 and the sliders 16 are movably connected. Movable grooves 15 are formed on both sides of the fixing frame 3, and the sliders 16 are movably mounted in the movable grooves 15. A guide roller 9 is movably mounted on the left side of the sewing table 1. Limit blocks 24 are movably mounted on both ends of the guide roller 9. A bidirectional screw 26 is positioned on the right side of the guide roller 9 and is movably mounted on the sewing table 1. Fixing blocks 25 are threaded onto both ends of the bidirectional screw 26, and the fixing blocks 25 are connected to the limit blocks. The side wall of 24 is fixedly connected, and the two ends of the bidirectional screw 26 have opposite patterns. The outer side of the sewing table 1 is fixedly installed with a drive motor 11 corresponding to the position of the bidirectional screw 26. The output end of the drive motor 11 is fixedly connected to the bidirectional screw 26. A controller 8 is fixedly installed on the side wall of the sewing table 1. The fabric is placed on the guide roller 9, and then the top of the fabric passes under the sewing machine body 2 so that the sewing position of the fabric is aligned with the bottom of the sewing machine body 2. Then the fabric passes between the fixed roller 4 and the adjusting roller 5. Then the controller 8 starts the drive motor 11 to drive the bidirectional screw 26 to rotate. The bidirectional screw 26 can control the fixed block 25 to drive the limiting block 24 to move on the guide roller 9. The position of the limiting block 24 is adjusted according to the width of the fabric so that the limiting block 24 is stuck on both sides of the fabric, thereby limiting the fabric and preventing the fabric from shifting when moving.

[0023] In this embodiment, a first worm gear 17 is movably mounted on the outer side of the slider 16 at the left end of the adjusting roller 5. The first worm gear 17 is fixedly connected to one end of the adjusting roller 5. A first worm 22 is provided on the left side of the first worm gear 17, and the first worm 22 meshes with the first worm gear 17. A second worm gear 18 is movably mounted on the left side of the sewing table 1, and the second worm gear 18 is fixedly connected to one end of the fixed roller 4. A second worm 20 is provided on the left side of the second worm gear 18, and the second worm 20 meshes with the second worm gear 18. The texture on the second worm 20 is opposite to that on the first worm 22. The first worm gear 17 and the second worm gear 18 are the same size. A connecting plate 19 is fixedly mounted on the top of the outer side of the slider 16. A bearing 23 is fixedly mounted on the connecting plate 19 at the position corresponding to the first worm 22. The top of the first worm 22... The first worm gear 20 is fixedly installed in the inner ring of the bearing 23. The bottom of the second worm gear 20 is provided with a fixing plate 12, which is fixedly installed on the sewing table 1. The second worm gear 20 is movably installed on the fixing plate 12. The bottom of the fixing plate 12 is fixedly installed with a servo motor 13. The output end of the servo motor 13 penetrates the fixing plate 12 and is fixedly connected to the bottom of the second worm gear 20. When the servo motor 13 is started, it drives the second worm gear 20 to rotate. Through the connecting rod 21 on the second worm gear 20, it can drive the first worm gear 22 to rotate together. Since the texture on the second worm gear 20 and the first worm gear 22 is opposite, the second worm gear 20 and the first worm gear 22 will drive the first worm wheel 17 and the second worm wheel 18 to drive the adjusting roller 5 and the fixed roller 4 to rotate in opposite directions, thereby achieving the effect of uniformly pushing the fabric.

[0024] In this embodiment, an adjustment frame 6 is provided on the top of the fixed frame 3. The two ends of the adjustment frame 6 penetrate the fixed frame 3 and are fixedly connected to the top of the slider 16. A rotating rod 7 is movably installed at the middle position of the top of the fixed frame 3. The adjustment frame 6 is threaded onto the rotating rod 7. By driving the rotating rod 7, the adjustment frame 6 can be moved. The adjustment frame 6 can control the slider 16 to move up and down. The slider 16 can drive the adjustment roller 5 to move. By adjusting the position of the adjustment roller 5, it can cooperate with the fixed roller 4 to clamp fabrics of different thicknesses.

[0025] In this embodiment, a connecting rod 21 is fixedly installed on the top of the second worm gear 20, and a connecting groove 27 is provided at the middle of the bottom of the first worm gear 22. The connecting rod 21 can be movably inserted into the connecting groove 27. The cooperation between the connecting rod 21 and the connecting groove 27 ensures that the first worm gear 22 can still be driven by the servo motor 13 together with the second worm gear 20 after it moves up and down.

[0026] In this embodiment, a material feeding plate 14 is fixedly installed on the right side of the sewing table 1. The material feeding plate 14 is tilted downward on the right side to facilitate material feeding.

[0027] From the above description, it can be seen that the above embodiments of this utility model achieve the following technical effects: In use, the fabric is placed on the guide roller 9, and then the top of the fabric passes under the sewing machine body 2, so that the sewing position of the fabric is aligned with the bottom of the sewing machine body 2. Then, the fabric passes between the fixed roller 4 and the adjusting roller 5. Subsequently, the controller 8 starts the drive motor 11, which drives the bidirectional screw 26 to rotate. The bidirectional screw 26 controls the fixed block 25 to drive the limiting block 24 to move on the guide roller 9. The position of the limiting block 24 is adjusted according to the width of the fabric, so that the limiting block 24 is stuck on both sides of the fabric, thereby limiting the fabric and preventing the fabric from shifting during movement. Then, the drive rotating rod 7 can drive the adjusting frame 6 to move, the adjusting frame 6 can control the slider 16 to move up and down, the slider 16 can drive the adjusting roller 5 to move, and by adjusting the position of the adjusting roller 5, it can cooperate with the fixed roller 4 to clamp fabrics of different thicknesses. Then, the servo motor 13 is started to drive the second worm 20 to rotate, and the connecting rod 21 on the second worm 20 can drive the first worm 22 to rotate together. Since the texture on the second worm 20 and the first worm 22 is opposite, the second worm 20 and the first worm 22 will drive the first worm wheel 17 and the second worm wheel 18 to drive the adjusting roller 5 and the fixed roller 4 to rotate in opposite directions, thereby achieving the effect of pushing the fabric at a uniform speed.

[0028] The foregoing has shown and described the basic principles, main features, and advantages of this utility model. Those skilled in the art should understand that this utility model is not limited to the above embodiments. The embodiments and descriptions in the specification are merely illustrative of the principles of this utility model. Various changes and modifications can be made to this utility model without departing from its spirit and scope, and all such changes and modifications fall within the scope of the claimed utility model.

Claims

1. A guide device for a suturing machine comprising a suturing table (1), characterized in that, The sewing machine body (2) is fixedly installed at the top center of the sewing table (1). A support leg (10) is fixedly installed at the bottom of the sewing table (1). A fixed roller (4) is movably installed on the right side of the sewing table (1). A fixed frame (3) is fixedly installed on the sewing table (1) at the position corresponding to the fixed roller (4). An adjusting roller (5) is provided above the fixed roller (4). Slider blocks (16) are provided on both sides of the adjusting roller (5). The adjusting roller (5) and the sliders (16) are movably connected. Movable grooves (15) are opened on both sides of the fixed frame (3). The sliders (16) are movably installed in the movable grooves (15). A guide is movably installed on the left side of the sewing table (1). A guide roller (9) is provided with limit blocks (24) movably installed at both ends of the guide roller (9). A bidirectional screw (26) is provided on the right side of the guide roller (9). The bidirectional screw (26) is movably installed on the sewing table (1). Fixed blocks (25) are threaded on both ends of the bidirectional screw (26). The fixed blocks (25) are fixedly connected to the side wall of the limit block (24). The two ends of the bidirectional screw (26) have opposite patterns. A drive motor (11) is fixedly installed on the outside of the sewing table (1) at the position corresponding to the bidirectional screw (26). The output end of the drive motor (11) is fixedly connected to the bidirectional screw (26). A controller (8) is fixedly installed on the side wall of the sewing table (1).

2. A guide for a suturing device as defined in claim 1, wherein, A first worm gear (17) is movably mounted on the outside of the slider (16) at the left end of the adjusting roller (5). The first worm gear (17) is fixedly connected to one end of the adjusting roller (5). A first worm (22) is provided on the left side of the first worm gear (17). The first worm (22) meshes with the first worm gear (17). A second worm gear (18) is movably mounted on the left side of the sewing table (1). The second worm gear (18) is fixedly connected to one end of the fixed roller (4). A second worm (20) is provided on the left side of the second worm gear (18). The second worm (20) meshes with the second worm gear (18). The texture on the second worm (20) is opposite to that on the first worm (22). The first worm gear (17) and the second worm gear (18) are the same size.

3. A guide for a suturing device as defined in claim 2, wherein, A connecting plate (19) is fixedly installed on the top of the outer side of the slider (16). A bearing (23) is fixedly installed on the connecting plate (19) at the position corresponding to the first worm (22). The top of the first worm (22) is fixedly installed in the inner ring of the bearing (23). A fixing plate (12) is provided at the bottom of the second worm (20). The fixing plate (12) is fixedly installed on the sewing table (1). The second worm (20) is movably installed on the fixing plate (12). A servo motor (13) is fixedly installed at the bottom of the fixing plate (12). The output end of the servo motor (13) penetrates the fixing plate (12) and is fixedly connected to the bottom of the second worm (20).

4. The guiding device for a sewing machine according to claim 1, characterized in that, An adjustment frame (6) is provided on the top of the fixed frame (3). The two ends of the adjustment frame (6) penetrate the fixed frame (3) and are fixedly connected to the top of the slider (16). A rotating rod (7) is movably installed at the middle position of the top of the fixed frame (3). The adjustment frame (6) is threaded onto the rotating rod (7).

5. A guide for a suturing device as defined in claim 2, wherein, A connecting rod (21) is fixedly installed on the top of the second worm (20), and a connecting groove (27) is provided at the middle of the bottom of the first worm (22). The connecting rod (21) can be movably inserted into the connecting groove (27).

6. A guide for a suturing device as defined in claim 1, wherein, A feed plate (14) is fixedly installed on the right side of the sewing table (1), and the feed plate (14) is tilted downward on the right side.

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