Multi-layer sewing machine for combat suit anti-cutting fabric
By integrating a dust-collecting component and an extension component into the sewing machine, the problems of fiber debris diffusion and table fixation during the processing of high-strength combat uniform cut-resistant fabrics have been solved. This has enabled efficient impurity cleaning and flexible area adjustment, improving the sewing environment and product quality.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- HUBEI CEMA GARMENT IND CO LTD
- Filing Date
- 2025-07-31
- Publication Date
- 2026-06-09
AI Technical Summary
Existing sewing machines cannot effectively control the spread of fiber debris when processing high-strength combat uniform cut-resistant fabrics, resulting in a polluted working environment and a decline in sewing quality. Furthermore, the fixed operating table area cannot adapt to the sewing needs of fabrics of different sizes.
The design incorporates a dust collection component and an extension component. The dust collection component uses a fan and a collection box to efficiently collect and clean fibrous impurities, while the extension component uses a ball-locking and return spring mechanism to flexibly adjust the work surface area.
It effectively prevents fiber impurities from scattering, improves the cleanliness of the working environment and the quality of sewn products, enhances the flexibility and applicability of the equipment, and adapts to the sewing needs of fabrics of different sizes.
Smart Images
Figure CN224337912U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of sewing technology for cut-resistant fabrics for combat uniforms, and in particular to a multi-layer sewing machine for cut-resistant fabrics for combat uniforms. Background Technology
[0002] Cut-resistant fabrics for combat uniforms are widely used in military and police equipment due to their high strength, abrasion resistance, and tear resistance. However, their multi-layered composite structure easily generates a large amount of fiber debris during sewing, and the fabric has high stiffness, which places high demands on the stability of sewing equipment and the cleanliness of the working environment. Traditional sewing machines often lack effective debris collection and operating table adjustment functions when processing such materials, resulting in limited production efficiency and affecting the quality of finished products. Therefore, a special sewing machine with efficient dust removal and flexible worktable expansion functions is needed to meet the high-precision sewing requirements of cut-resistant fabrics.
[0003] Currently, most conventional sewing machines adopt a fixed worktable design, relying solely on the basic sewing head to complete fabric stitching. Their dust removal methods typically involve external vacuuming equipment or manual cleaning, which cannot absorb scattered fiber debris in real time during processing. The worktable area is fixed and cannot be flexibly adjusted according to the fabric size, resulting in inconvenience when sewing large-sized fabrics. In addition, the stability adjustment of existing equipment mainly relies on additional support frames, lacking an integrated extension mechanism, which affects the convenience of operation and processing accuracy.
[0004] The biggest problem with existing sewing equipment when processing cut-resistant fabrics is the inability to effectively control the spread of fiber debris. Due to the lack of an integrated dust collection system, impurities generated during the sewing process easily drift and adhere to the fabric surface, not only polluting the working environment but also affecting the quality of the stitching, leading to a decrease in the protective performance of the cut-resistant fabric. This problem is particularly prominent when sewing multi-layer thick materials. A solution that can collect and clean impurities in real time is needed to improve the cleanliness of the production environment and the quality stability of the sewn products. To this end, a multi-layer sewing machine for cut-resistant fabrics for combat uniforms is proposed to solve the above problems. Utility Model Content
[0005] To overcome the above shortcomings, this utility model provides a multi-layer sewing machine for cut-resistant fabric of combat uniforms, which aims to improve the problem of a dirty and messy working environment caused by the random dispersion of impurities during operation, and the problem of impurities adhering to the fabric and affecting the sewing quality of cut-resistant fabric of combat uniforms in the existing technology.
[0006] To achieve the above objectives, the present invention adopts the following technical solution: a multi-layer sewing machine for cut-resistant fabric of combat uniforms, including an operating table, a sewing machine body fixedly connected to the top of the operating table, a dust collection component provided on the top of the operating table, and an extension component provided inside the operating table;
[0007] The vacuuming assembly includes a fixed base and a vacuum box. The bottom of the fixed base is fixedly connected to the top of the operating table. The outer wall of the vacuum box is fixedly connected to the inside of the fixed base. A connecting pipe is fixedly connected to the outer wall of the vacuum box. A collection box is fixedly connected to the bottom of the operating table. A fan is fixedly connected to the bottom of the operating table. The input end of the fan is fixedly connected to one end of the connecting pipe. The output end of the fan is fixedly connected to the outer wall of the collection box. A collection box is slidably connected inside the collection box. A handle is fixedly connected to the side wall of the collection box.
[0008] As a further description of the above technical solution:
[0009] The extension assembly includes an extension plate and a second handle. The outer wall of the extension plate is slidably connected to the inside of the operating table, and the outer wall of the second handle is fixedly connected to the side wall of the extension plate.
[0010] As a further description of the above technical solution:
[0011] A slider is fixedly connected to the bottom of the extension plate. The outer wall of the slider is slidably connected to the inside of the operating table. A limit block is fixedly connected to the side wall of the slider. The outer wall of the limit block is slidably connected to the inside of the operating table.
[0012] As a further description of the above technical solution:
[0013] The extension plate has two locking holes inside, and a locking ball is slidably connected inside the operating table. The locking ball engages with the locking holes.
[0014] As a further description of the above technical solution:
[0015] A sliding ring is fixedly connected to the side wall of the ball, and the outer wall of the sliding ring is slidably connected inside the operating table.
[0016] As a further description of the above technical solution:
[0017] The sliding ring sidewall is provided with a telescopic rod, one end of which is fixedly connected to the sliding ring sidewall, and the other end of which is fixedly connected to the inside of the operating table.
[0018] As a further description of the above technical solution:
[0019] A return spring is provided on the outer wall of the telescopic rod. One end of the return spring is fixedly connected to the side wall of the sliding ring, and the other end of the return spring is fixedly connected to the inside of the operating table.
[0020] This utility model has the following beneficial effects:
[0021] 1. In this utility model, the fan input end collects fibers and other impurities generated during operation through a connecting pipe and a dust collection box, effectively preventing impurities from scattering randomly during operation; the fan output end discharges the impurities into the collection box, where they fall into the collection box. Pulling the handle allows for easy cleaning of the impurities, achieving efficient collection and convenient cleaning of impurities generated during sewing. This solves the problems of a dirty working environment caused by impurities scattering randomly during operation, and impurities adhering to the fabric affecting the sewing quality of the cut-resistant fabric of combat uniforms, thus improving the cleanliness of the working environment and the quality stability of the sewn products.
[0022] 2. In this utility model, by pulling the second handle, the extension plate, slider, and limit block can be moved inside the operating table. During the movement, the locking ball will be squeezed, causing the locking ball to drive the sliding ring to squeeze the telescopic rod and the return spring. At this time, the locking ball is released from the restriction of the locking hole. After the extension plate is unfolded, the return spring releases its elastic potential energy, causing the locking ball to lock into the second locking hole, thereby achieving the effect of conveniently adjusting the usable area of the operating table. This solves the problem that it is difficult to adapt to the sewing operation of cut-resistant fabrics for combat uniforms of different sizes due to the fixed area of the operating table, and improves the flexibility and applicability of the equipment. Attached Figure Description
[0023] Figure 1 This is a three-dimensional schematic diagram of a multi-layer sewing machine for cut-resistant fabric of combat uniforms proposed in this utility model.
[0024] Figure 2 This is a schematic diagram of the dust collection box structure of a multi-layer sewing machine for cutting-resistant fabric of combat uniforms proposed in this utility model;
[0025] Figure 3 This is a schematic diagram of the collection box structure of a multi-layer sewing machine for cutting-resistant fabric of combat uniforms proposed in this utility model;
[0026] Figure 4 This is a schematic diagram of the operating table structure of a multi-layer sewing machine for cutting-resistant fabric of combat uniforms proposed in this utility model;
[0027] Figure 5 This is a schematic diagram of the extension plate structure of a multi-layer sewing machine for cut-resistant fabric of combat uniforms proposed in this utility model;
[0028] Figure 6 for Figure 4 Enlarged view of point A in the middle.
[0029] Legend:
[0030] 1. Operating table; 2. Sewing machine body; 3. Fixed base; 4. Dust collection box; 5. Connecting pipe; 6. Fan; 7. Collection box; 8. Collection container; 9. Handle 1; 10. Extension plate; 11. Handle 2; 12. Locking hole; 13. Sliding block; 14. Limiting block; 15. Locking ball; 16. Sliding ring; 17. Telescopic rod; 18. Return spring. Detailed Implementation
[0031] 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.
[0032] Reference Figures 1-3 The present invention provides an embodiment of a multi-layer sewing machine for cut-resistant fabric of combat uniforms, including an operating table 1, which provides a stable sewing work surface. A sewing machine body 2 is fixedly connected to the top of the operating table 1. The sewing machine body 2 is used to perform the sewing operation of multi-layer cut-resistant fabric. A dust collection component is provided on the top of the operating table 1 to collect fiber debris generated during the sewing process. An extension component is provided inside the operating table 1 to expand the worktable area to adapt to the processing needs of fabrics of different sizes.
[0033] The vacuuming assembly includes a fixed base 3 and a vacuum box 4. The fixed base 3 supports the vacuum box 4, and its bottom is fixedly connected to the top of the operating table 1. The vacuum box 4 is used to collect and suck up impurities generated during the sewing process. Its outer wall is fixedly connected to the inside of the fixed base 3. A connecting pipe 5 is fixedly connected to the outer wall of the vacuum box 4. The connecting pipe 5 is used to connect the airflow channel of the vacuum box 4 and the fan 6. A collection box 7 is fixedly connected to the bottom of the operating table 1. The collection box 7 is used to store the collected impurities and drives the fan 6, which is fixedly connected to the bottom of the operating table 1. The fan 6 is used to generate negative pressure suction. The input end of the fan 6 is fixedly connected to one end of the connecting pipe 5, and the output end of the fan 6 is fixedly connected to the outer wall of the collection box 7, forming a complete airflow circulation system. A collection box 8 is slidably connected inside the collection box 7. The collection box 8 is used to collect and store the sucked-up impurities. A handle 9 is fixedly connected to the side wall of the collection box 8. The handle 9 makes it easy for the operator to take out and clean the collection box 8.
[0034] Reference Figures 4-6The extension assembly includes an extension plate 10 and a handle 11. The extension plate 10 is used to expand the effective working area of the operating table 1, and its outer wall is slidably connected to the inside of the operating table 1. The handle 11 is used for manually operating the extension and retraction of the extension plate 10, and its outer wall is fixedly connected to the side wall of the extension plate 10. A slider 13 is fixedly connected to the bottom of the extension plate 10, and the slider 13 is used to provide sliding guidance for the extension plate 10. Its outer wall is slidably connected to the inside of the operating table 1. A limit block 14 is fixedly connected to the side wall of the slider 13, and the limit block 14 is used to limit the sliding stroke of the extension plate 10. Its outer wall is slidably connected to the inside of the operating table 1. Two locking holes 12 are opened inside the extension plate 10, and the locking holes 12 are used to cooperate with the locking ball 15 to realize the positioning of the extension plate 10. A locking ball is slidably connected inside the operating table 1. 15. The locking ball 15 is used to lock the position of the extension plate 10. The locking ball 15 and the locking hole 12 engage to form a positioning structure. A sliding ring 16 is fixedly connected to the side wall of the locking ball 15. The sliding ring 16 is used to transmit the force of the return spring 18. Its outer wall is slidably connected to the inside of the operating table 1. A telescopic rod 17 is provided on the side wall of the sliding ring 16. The telescopic rod 17 is used to limit the movement range of the sliding ring 16 and maintain the stability of the movement. One end of it is fixedly connected to the side wall of the sliding ring 16, and the other end is fixedly connected to the inside of the operating table 1. A return spring 18 is provided on the outer wall of the telescopic rod 17. The return spring 18 is used to provide the return spring force of the locking ball 15. One end of it is fixedly connected to the side wall of the sliding ring 16, and the other end is fixedly connected to the inside of the operating table 1. Together, they constitute the automatic locking mechanism of the extension assembly.
[0035] Working principle: When the sewing machine body 2 starts working, the blower 6 starts working. Its input end forms a negative pressure environment with the dust collection box 4 through the connecting pipe 5, which quickly sucks in impurities such as fibers generated during the sewing process. These impurities are transported to the output end of the blower 6 through the connecting pipe 5, and then discharged into the collection box 7 and naturally settle into the collection box 8 inside the collection box 7. When the impurities in the collection box 8 accumulate to a certain amount, the operator can pull the handle 19 to pull the collection box 8 out of the collection box 7, which conveniently completes the impurity cleaning and ensures that the impurities will not be scattered randomly. When it is necessary to expand the working area, the operator pulls the extension plate 10 outward through the handle 21. At this time, the slider 1 3 and limit block 14 slide smoothly on the guide rail inside the operating table 1. During the movement, the side of the extension plate 10 will squeeze the retaining ball 15, forcing the retaining ball 15 to drive the sliding ring 16 to compress the return spring 18, so that the retaining ball 15 temporarily disengages from the current retaining hole 12. When the extension plate 10 moves to the position of the second retaining hole 12, the return spring 18 releases its elastic potential energy, pushing the sliding ring 16 and retaining ball 15 to reset, so that the retaining ball 15 automatically engages in the new positioning hole. The telescopic rod 17 plays a guiding and limiting role in this process, ensuring that the movement trajectory of the sliding ring 16 is accurate, making the worktable expansion operation simple and reliable, and the working area can be quickly adjusted according to the needs of different sized fabrics.
[0036] Finally, it should be noted that the above description is only a preferred embodiment of the present utility model and is not intended to limit the present utility model. Although the present utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or make equivalent substitutions for some of the technical features. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present utility model should be included within the protection scope of the present utility model.
Claims
1. A multi-layer sewing machine for combat clothing anti-cutting fabric, comprising an operating table (1), characterized in that: The sewing machine body (2) is fixedly connected to the top of the operating table (1), a dust suction component is provided on the top of the operating table (1), and an extension component is provided inside the operating table (1); The dust collection assembly includes a fixed base (3) and a dust collection box (4). The bottom of the fixed base (3) is fixedly connected to the top of the operating table (1). The outer wall of the dust collection box (4) is fixedly connected to the inside of the fixed base (3). A connecting pipe (5) is fixedly connected to the outer wall of the dust collection box (4). A collection box (7) is fixedly connected to the bottom of the operating table (1). A fan (6) is fixedly connected to the bottom of the operating table (1). The input end of the fan (6) is fixedly connected to one end of the connecting pipe (5). The output end of the fan (6) is fixedly connected to the outer wall of the collection box (7). A collection box (8) is slidably connected inside the collection box (7). A handle (9) is fixedly connected to the side wall of the collection box (8).
2. The multi-layer sewing machine for cut-resistant fabric of combat uniforms according to claim 1, characterized in that: The extension assembly includes an extension plate (10) and a second handle (11). The outer wall of the extension plate (10) is slidably connected to the inside of the operating table (1), and the outer wall of the second handle (11) is fixedly connected to the side wall of the extension plate (10).
3. A multi-layer sewing machine for cut-resistant fabric of combat uniforms according to claim 2, characterized in that: The bottom of the extension plate (10) is fixedly connected to a slider (13), the outer wall of the slider (13) is slidably connected to the inside of the operating table (1), and the side wall of the slider (13) is fixedly connected to a limit block (14), the outer wall of the limit block (14) is slidably connected to the inside of the operating table (1).
4. A multi-layer sewing machine for cut-resistant fabric of combat uniforms according to claim 3, characterized in that: The extension plate (10) has two locking holes (12) inside, and the operating table (1) has a sliding ball (15) inside, which engages with the locking holes (12).
5. A multi-layer sewing machine for cut-resistant fabric of combat uniforms according to claim 4, characterized in that: The side wall of the ball (15) is fixedly connected to a sliding ring (16), and the outer wall of the sliding ring (16) is slidably connected to the inside of the operating table (1).
6. A multi-layer sewing machine for cut-resistant fabric of combat uniforms according to claim 5, characterized in that: The sliding ring (16) is provided with a telescopic rod (17) on its side wall. One end of the telescopic rod (17) is fixedly connected to the side wall of the sliding ring (16), and the other end of the telescopic rod (17) is fixedly connected to the inside of the operating table (1).
7. A multi-layer sewing machine for cut-resistant fabric of combat uniforms according to claim 6, characterized in that: The telescopic rod (17) is provided with a return spring (18) on its outer wall. One end of the return spring (18) is fixedly connected to the side wall of the sliding ring (16), and the other end of the return spring (18) is fixedly connected to the inside of the operating table (1).