A movable fabric hold-down assembly for a sewing machine

Abstract

The utility model relates to sewing machine technical field discloses a movable cloth pressure assembly of sewing machine, include: machine tool, machine tool is rectangular table top, the top center fixed connection of machine tool has sewing machine body, press structure, press structure sets up in the wall surface of machine tool for cloth pressing, and press structure includes: wear groove, base plate, pasting board, swivel head and pressure column, wear groove symmetry sets up in the front wall surface of machine tool, base plate fixedly connected in the rear wall surface of machine tool in each wear groove, pasting board fixedly connected in each base plate front wall surface, swivel head rotationally connected on the front wall surface of each base plate, pressure column fixedly connected in the front wall surface of swivel head, and pressure column can press cloth on pasting board, and press structure realizes the pressure of cloth through the structure of hiding to be in the sewing process of cloth and will not influence staff to adjust cloth, so the scheme can press cloth tightly and prevent moving, and also will not influence staff work.

Description

Technical Field

[0001] This utility model belongs to the field of sewing machines, specifically, it relates to a movable fabric pressing component for a sewing machine. Background Technology

[0002] A sewing machine is a device that uses mechanical means to sew together fabric or other materials. It is widely used in clothing manufacturing, home textiles, leather processing and other fields.

[0003] The prior art (publication number: CN222064850U) discloses a fabric pressing mechanism for an industrial sewing machine, which relates to the field of industrial sewing machine technology. It includes: a base, wherein a plurality of support columns are provided on the lower surface of the base, and every two support columns are symmetrically distributed on the lower surface of the base; and a conveying assembly, wherein the conveying assembly is disposed on both sides of the base.

[0004] Existing technology prevents fabric displacement during processing by using symmetrically arranged structures on both sides of the device to compress the fabric. However, while existing technology can prevent fabric displacement, its exposed structure can hinder operators from using the sewing machine in practice.

[0005] In view of this, this utility model is proposed. Utility Model Content

[0006] To solve the above-mentioned technical problems, the basic concept of the technical solution adopted by this utility model is as follows:

[0007] A movable fabric clamping assembly for a sewing machine includes:

[0008] The machine tool has a rectangular table, and the sewing machine body is fixedly connected to the center of the top of the machine tool;

[0009] The pressing structure is set on the wall of the machine tool to press the fabric. The pressing structure includes: slots, base plates, mounting plates, rotating heads, and pressure columns. The slots are symmetrically opened on the front wall of the machine tool. The base plates are fixedly connected to the rear machine tool wall in each slot. The mounting plates are fixedly connected to the front wall of each base plate. The rotating heads are rotatably connected to the front wall of each base plate. The pressure columns are fixedly connected to the front wall of the rotating heads. The pressure columns can press the fabric onto the mounting plates.

[0010] In a preferred embodiment of this utility model, the through slot is a rectangular slot, the plate is an obliquely placed rectangular plate, the rotating head is composed of two discs and a central cylinder, the cylinder of the rotating head is inserted into the wall of the substrate, the pressure column is cylindrical, and the arc surface of the pressure column can contact the oblique surface of the plate.

[0011] In a preferred embodiment of the present invention, the pressing structure further includes a pull block, a tension spring, and a fixed block. The pull block is fixedly connected to the rear top of the rotating head, the tension spring is fixedly connected to the side wall of the pull block, and the fixed block is fixedly connected to the rear of each substrate.

[0012] In a preferred embodiment of this utility model, the pull block is rectangular, the fixed block and the pull block are the same size, and the other end of the tension spring can be fixedly connected to the side wall of the fixed block.

[0013] In a preferred embodiment of this utility model, the wall of the machine tool is further provided with a limiting structure, which includes a base frame, a control rod, a follower column, and a limiting plate. The base frame is fixedly connected to the bottom of each through slot, the control rod is rotatably connected to the wall of each base frame, the follower column is rotatably connected to the front wall of each base plate, and the limiting plate is symmetrically threaded to the wall of each control rod.

[0014] In a preferred embodiment of this utility model, the base frame is a U-shaped plate, the control rod is located in the cavity of the base frame, and a motor for driving the control rod to rotate is installed on the rear wall of the base frame. The control rod is cylindrical, and the wall of the control rod is provided with opposing threads. The control rod can pass through the wall of the limiting plate and be threadedly connected to the limiting plate.

[0015] In a preferred embodiment of this utility model, the follower column is in the shape of a circular roller, the symmetrical follower columns are located between the symmetrical plates, the top of the follower column is flush with the top of the machine tool, the arc surface of the follower column is uniformly opened with multiple identical annular grooves, and the wall surface of the limiting plate is opened with a circular groove adapted to the follower column passing through.

[0016] Compared with the prior art, the present invention has the following advantages:

[0017] 1. By setting up a pressing structure, the fabric is pressed tightly through a concealed structure. This does not affect the worker's ability to adjust the fabric during the sewing process. Therefore, this solution can both press the fabric to prevent movement and not affect the worker's work.

[0018] 2. By setting a limiting structure, the friction of the fabric during movement can be reduced by the following columns to prevent fabric damage, while the symmetrical limiting plate can always limit the fabric at the following columns, further preventing fabric displacement.

[0019] The specific embodiments of this utility model will be described in further detail below with reference to the accompanying drawings. Attached Figure Description

[0020] In the attached diagram:

[0021] Figure 1 This is a perspective view of the present utility model;

[0022] Figure 2 This is a front view of the present invention;

[0023] Figure 3 This is a disassembly diagram of the rotating head of this utility model;

[0024] Figure 4 This is a schematic diagram showing the position of the limiting plate in this utility model;

[0025] Figure 5 This is a schematic diagram of the disassembly of the limiting plate of this utility model.

[0026] In the diagram: 20, machine tool; 21, sewing machine body; 30, slot; 31, base plate; 32, base frame; 33, mounting plate; 34, rotating head; 35, pressure column; 36, pull block; 37, tension spring; 38, fixed block; 40, control lever; 41, follower column; 42, limit plate. Detailed Implementation

[0027] To make the objectives, technical solutions, and advantages of the embodiments of this utility model clearer, the technical solutions in the embodiments will be clearly and completely described below with reference to the accompanying drawings. The following embodiments are used to illustrate this utility model.

[0028] like Figure 1 and Figure 2 As shown, a movable fabric pressing assembly for a sewing machine includes: a machine tool 20, the machine tool 20 having a rectangular table surface, a sewing machine body 21 fixedly connected to the top center of the machine tool 20, and the sewing machine body 21 being electrically connected to a power source. This is existing technology and will not be described in detail here.

[0029] like Figure 1 , Figure 2 , Figure 3 , Figure 4 and Figure 5 As shown, a pressing structure is installed on the wall of the machine tool 20 to press the fabric. The pressing structure includes: slots 30, base plates 31, mounting plates 33, rotating heads 34, and pressing columns 35. The slots 30 are symmetrically opened on the front wall of the machine tool 20. The base plates 31 are fixedly connected to the rear wall of the machine tool 20 within each slot 30. The mounting plates 33 are fixedly connected to the front wall of each base plate 31. The rotating heads 34 are rotatably connected to the front wall of each base plate 31. The pressing columns 35 are fixedly connected to the front wall of the rotating heads 34. The pressing columns 35 can press the fabric onto the mounting plates 33.

[0030] like Figure 1 , Figure 2 , Figure 3 , Figure 4 and Figure 5As shown, the slot 30 is a rectangular slot, the plate 33 is a slanted rectangular plate, the rotating head 34 consists of two discs and a central cylinder, the cylinder of the rotating head 34 is inserted into the wall of the substrate 31, the pressure column 35 is cylindrical, and the arc surface of the pressure column 35 can contact the slanted surface of the plate 33. The pressing structure also includes a pull block 36, a tension spring 37, and a fixing block 38. The pull block 36 is fixedly connected to the rear top of the rotating head 34, the tension spring 37 is fixedly connected to the side wall of the pull block 36, and the fixing block 38 is fixedly connected to the rear of each substrate 31. 36 is a rectangular block, and the fixed block 38 and the pull block 36 have the same size. The other end of the tension spring 37 can be fixedly connected to the side wall of the fixed block 38. The wall of the machine tool 20 is also provided with a limiting structure, which includes a base frame 32, a control rod 40, a follower column 41 and a limiting plate 42. The base frame 32 is fixedly connected to the bottom of each through slot 30, the control rod 40 is rotatably connected to the wall of each base frame 32, the follower column 41 is rotatably connected to the front wall of each base plate 31, and the limiting plate 42 is symmetrically threaded to the wall of each control rod 40.

[0031] In practical use, first, insert the fabric to be processed from the back of the slot 30 through the front opening on one side, ensuring its bottom contacts and adheres to the inclined surface of the mounting plate 33. Then, push the pressure post 35 outwards. As the pressure post 35 pushes outwards, it causes the rotating head 34 and the pulling block 36 to rotate synchronously. The pulling block 36, upon rotation, extends the tension spring 37, storing tension. After passing the fabric between the pressure post 35 and the mounting plate 33, release the pressure post 35. The tension spring 37 then retracts, pulling the pulling block 36. This pulling motion causes the rotating head 34 to rotate on the wall of the substrate 31. The rotation of the rotating head 34, in turn, drives the pressure post 35. The fabric is pressed onto the inclined surface of the plate 33, and then the end of the fabric passes through the arc surface of the follower column 41. The control lever 40 is rotated by the motor on the wall of the base frame 32. As the control lever 40 rotates, it will drive the symmetrical limit plates 42 on each side to move closer to or separate from each other. Then the end of the fabric is pulled to the bottom of the sewing machine body 21 for sewing. Then the end of the fabric continues to be pulled towards the groove 30 on the other side and pressed between the plate 33 and the pressure column 35 in the same way. Then the processed fabric is gradually rolled up manually. At this time, the fabric will move horizontally on the top of the machine tool 20 and move past the symmetrical plate 33 wall.

[0032] In summary, by setting up a pressing structure, the fabric is pressed tightly through a concealed structure. This does not affect the worker's ability to adjust the fabric during the sewing process. Therefore, this solution can both press the fabric tightly to prevent movement and not affect the worker's work.

[0033] like Figure 3As shown, the base frame 32 is a U-shaped plate, the control rod 40 is located in the cavity of the base frame 32, the rear wall of the base frame 32 is equipped with a motor for driving the control rod 40 to rotate, the control rod 40 is cylindrical, the wall of the control rod 40 is provided with opposing threads, the control rod 40 can pass through the wall of the limiting plate 42 and be threadedly connected to the limiting plate 42, the follower column 41 is a round roller, the symmetrical follower columns 41 are located between the symmetrical plates 33, the top of the follower column 41 can be flush with the top of the machine tool 20, the arc surface of the follower column 41 is uniformly provided with multiple identical annular grooves, the wall of the limiting plate 42 is provided with a circular groove adapted to the follower column 41 passing through;

[0034] In practical use, when the fabric is attached to the wall of the follower column 41 and the symmetrical limit plate 42 is moved, the adjustment of the symmetrical limit plate 42 can be stopped by adjusting it to the width that matches the fabric.

[0035] In summary, by setting a limiting structure, the friction force during fabric movement can be reduced and fabric damage can be prevented by the following column 41, while the symmetrical limiting plate 42 can always limit the fabric at the following column 41, further preventing fabric displacement.

[0036] Working principle: First, the fabric to be processed is inserted from the back of the slot 30 on one side, with its bottom contacting and adhering to the inclined surface of the mounting plate 33. Then, the pressure post 35 is pushed outwards. This outward movement causes the rotating head 34 and the pulling block 36 to rotate synchronously. The rotation of the pulling block 36 extends the tension spring 37, storing tension. After the fabric is passed between the pressure post 35 and the mounting plate 33, the pressure post 35 is released. The tension spring 37 retracts, pulling the pulling block 36. This pull causes the rotating head 34 to rotate on the wall of the substrate 31. The rotation of the rotating head 34 then causes the pressure post 35 to... The fabric is pressed onto the inclined surface of the mounting plate 33, and then the end of the fabric passes through the arc surface of the follower column 41. The control lever 40 is rotated by the motor control on the wall of the base frame 32. As the control lever 40 rotates, it will drive the symmetrical limit plates 42 on each side to move closer to or separate from each other. Then the end of the fabric is pulled to the bottom of the sewing machine body 21 for sewing. Then the end of the fabric continues to be pulled towards the groove 30 on the other side and pressed between the mounting plate 33 and the pressure column 35 in the same way. Then the processed fabric is gradually rolled up manually. At this time, the fabric will move horizontally on the top of the machine tool 20 and move past the symmetrical mounting plate 33 wall.

[0037] It is understood that this utility model has been described through some embodiments, and those skilled in the art will recognize that various changes or equivalent substitutions can be made to these features and embodiments without departing from the spirit and scope of this utility model. Furthermore, under the teachings of this utility model, these features and embodiments can be modified to adapt to specific situations and materials without departing from the spirit and scope of this utility model. Therefore, this utility model is not limited to the specific embodiments disclosed herein, and all embodiments falling within the scope of the claims of this application are within the protection scope of this utility model.

Claims

1. A movable fabric clamping assembly for a sewing machine, characterized in that, include: Machine tool (20), the machine tool (20) has a rectangular table, and a sewing machine body (21) is fixedly connected to the top center of the machine tool (20). The pressing structure is set on the wall of the machine tool (20) to press the fabric. The pressing structure includes: slots (30), base plates (31), mounting plates (33), rotating heads (34) and pressing columns (35). The slots (30) are symmetrically opened on the front wall of the machine tool (20). The base plates (31) are fixedly connected to the rear wall of the machine tool (20) in each slot (30). The mounting plates (33) are fixedly connected to the front wall of each base plate (31). The rotating heads (34) are rotatably connected to the front wall of each base plate (31). The pressing columns (35) are fixedly connected to the front wall of the rotating heads (34). The pressing columns (35) can press the fabric onto the mounting plates (33).

2. The movable fabric pressing assembly for a sewing machine according to claim 1, characterized in that, The slot (30) is a rectangular slot, the plate (33) is a rectangular plate placed at an angle, the rotating head (34) is composed of two discs and a cylinder in the middle, the cylinder of the rotating head (34) is inserted into the wall of the base plate (31), the pressure column (35) is cylindrical, and the arc surface of the pressure column (35) can contact the inclined surface of the plate (33).

3. The movable fabric pressing assembly for a sewing machine according to claim 1, characterized in that, The pressing structure also includes a pull block (36), a tension spring (37), and a fixed block (38). The pull block (36) is fixedly connected to the rear top of the rotating head (34), the tension spring (37) is fixedly connected to the side wall of the pull block (36), and the fixed block (38) is fixedly connected to the rear of each substrate (31).

4. The movable fabric pressing assembly for a sewing machine according to claim 3, characterized in that, The pull block (36) is rectangular, and the fixed block (38) and the pull block (36) are the same size. The other end of the tension spring (37) can be fixedly connected to the side wall of the fixed block (38).

5. A movable fabric pressing assembly for a sewing machine according to claim 1, characterized in that, The wall of the machine tool (20) is also provided with a limiting structure, which includes a base frame (32), a control rod (40), a follower column (41) and a limiting plate (42). The base frame (32) is fixedly connected to the bottom of each through slot (30), the control rod (40) is rotatably connected to the wall of each base frame (32), the follower column (41) is rotatably connected to the front wall of each base plate (31), and the limiting plate (42) is symmetrically threaded to the wall of each control rod (40).

6. A movable fabric pressing assembly for a sewing machine according to claim 5, characterized in that, The base frame (32) is a U-shaped plate. The control rod (40) is located inside the cavity of the base frame (32). A motor for driving the control rod (40) to rotate is installed on the rear wall of the base frame (32). The control rod (40) is cylindrical. The wall of the control rod (40) is provided with opposing threads. The control rod (40) can pass through the wall of the limiting plate (42) and be threadedly connected to the limiting plate (42).

7. A movable fabric pressing assembly for a sewing machine according to claim 5, characterized in that, The follower column (41) is in the shape of a round roller. The symmetrical follower columns (41) are located between the symmetrical plates (33). The top of the follower column (41) can be flush with the top of the machine tool (20). The arc surface of the follower column (41) is uniformly opened with multiple identical annular grooves. The wall of the limiting plate (42) is provided with a circular groove adapted to the follower column (41) passing through.

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