Efficient linear sewing machine

By designing a multi-gear drive system and a high-efficiency linear sewing machine with lifting threaded rods, the problem of insufficient sewing range and efficiency of existing equipment is solved, a wider sewing range and higher efficiency is achieved, and the production demand of mattress 0-500mm is met.

CN120158879AInactive Publication Date: 2025-06-17GUANGZHOU XIDENGBAO MATTRESS MASCH CO LTD
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Patent Information

Application Number
CN202510216939.X
Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Filing Date
2025-02-26
Publication Date
2025-06-17
Estimated Expiration
Not applicable · inactive patent

AI Technical Summary

Technical Problem

The sewing range of existing mattress mattress line sewing equipment is below 340mm, and is driven by a single power, which cannot meet production needs, the sewing width cannot meet all user needs, low efficiency and poor effect.

Method used

A high-efficiency linear sewing machine is designed, including fabric thread frame, material discharge device, and material collection device. It adopts a multi-gear drive system and lifting thread rod. It can be installed at the same time with a maximum sewing range of 0-406mm, meeting the production needs of mattress foil strips of 0-500mm.

Benefits of technology

It achieves a wider sewing range and higher efficiency, can produce sewing at high speed, meets users' diverse needs, and improves production efficiency and product quality.

✦ Generated by Eureka AI based on patent content.

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Abstract

The invention relates to the technical field of linear sewing machines, and discloses an efficient linear sewing machine which comprises a fabric thread frame and further comprises a discharging device and a collecting device, an upper thread is arranged at the bottom of the fabric thread frame, an upper thread clamp is arranged on one side of the upper thread, a thread breakage detection box is arranged on one side of the upper thread clamp, and a thread breakage detection device is arranged on the other side of the upper thread clamp. A correlation switch is arranged on one side of the broken line detection box, a display screen is arranged on one side of the correlation switch, a presser foot air cylinder is arranged on one side of the display screen, a needle plate is arranged at the bottom of the presser foot air cylinder, a machine needle is arranged at the bottom of the needle plate, a presser foot is arranged at the bottom of the machine needle, and a line passing plate is arranged on one side of the presser foot air cylinder. By arranging the main assembling area, 65 needles can be installed and sewn at the same time, the maximum sewing range is 0-406 mm, mattress foxing strips of 0-500 mm can be produced, the use requirement of a user can be met, two servo motors are used for driving, enough power is provided for driving, and high-speed production sewing can be conducted.
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Description

Technical Field

[0001] The present invention relates to the technical field of straight sewing machines, and more particularly to an efficient straight sewing machine. Background Art

[0002] A straight sewing machine is a machine that uses one or more sewing threads to form one or more types of stitches on the sewing material, so as to interweave or sew together one or more layers of sewing materials. Straight sewing machines are widely used in many industries such as clothing, shoes and hats, luggage, and household items. Its main function is to perform straight sewing and is suitable for occasions that require a large amount of straight sewing operations. For example, in clothing production, straight sewing machines are often used to sew the front and back pieces, sleeves, trouser legs, etc. of clothes; in luggage making, they are often used to sew the edges and bottoms of the boxes, etc.

[0003] Currently, the straight sewing equipment for mattress borders on the market has a sewing range of less than 340 mm and is all single-powered driven, which cannot meet the production requirements. The sewing width cannot meet the needs of all users, with low efficiency and poor results. Therefore, an efficient straight sewing machine is provided. Summary of the Invention

[0004] In order to overcome the above-mentioned defects of the prior art, the present invention provides an efficient straight sewing machine to solve the problems existing in the above background art.

[0005] To achieve the above object, the present invention provides the following technical solution: An efficient straight sewing machine includes a fabric thread stand, and further includes: a feeding device and a receiving device. A connecting block is fixedly connected to one side of the fabric thread stand. A telescopic rod is fixedly connected to the bottom of the connecting block. A fixed rod is fixedly connected to the bottom of the telescopic rod. A handwheel is provided on one side of the fixed rod. A fixed base is fixedly connected to the bottom of the fixed rod. A first gear is fixedly connected to one side of the handwheel. A second gear is provided on one side of the first gear. A threaded rod is fixedly connected to the top of the second gear.

[0006] Further, a thread for the fabric is provided at the bottom of the fabric thread rack. A thread clamp for the thread is provided on one side of the thread for the fabric. A thread break detection box is provided on one side of the thread clamp for the thread. An opposed switch is provided on one side of the thread break detection box. A display screen is provided on one side of the opposed switch. A presser foot cylinder is provided on one side of the display screen. A needle plate is provided at the bottom of the presser foot cylinder. A sewing needle is provided at the bottom of the needle plate. A presser foot is provided at the bottom of the sewing needle. A third drive shaft is provided at the bottom of the presser foot. A first drive shaft is provided at the top of the presser foot cylinder. A second drive shaft is provided on the outer side of the first drive shaft. A thread guide plate is provided on one side of the presser foot cylinder. A flap is provided at the bottom of the thread guide plate. A flap rod is provided at the bottom of the flap. A hook is provided at the bottom of the flap rod. A hook mounting plate is provided at the bottom of the hook. A fixture assembly is provided on one side of the hook mounting plate. A thread passing rod is provided at the bottom of the hook mounting plate. A thread swinging rod is provided at the bottom of the thread passing rod. A rotating shaft is provided at the bottom of the thread swinging rod. A bobbin thread clamp is provided at the bottom of the rotating shaft. An electric box is provided on one side of the bobbin thread clamp. A main frame is provided on one side of the electric box. A bobbin thread is provided on one side of the main frame. A fourth drive shaft is provided at the bottom of the other side of the thread for the fabric. A roller is provided at the bottom of the fourth drive shaft. A drive motor is provided on one side of the roller. A roller motor is provided at the bottom of the roller.

[0007] Further, positioning holes are evenly formed on the surfaces of the fabric thread rack and the connecting block, and they are fixedly connected using positioning pins. A threaded hole is formed inside the telescopic rod and is matched with the threaded rod. The first gear and the second gear are meshed with each other.

[0008] Further, the fabric thread rack and the thread clamp for the thread are fixedly connected to the top of the main frame and are fixedly connected using nuts. The thread for the fabric is placed on the surface of the fabric thread rack. The thread break detection box is embedded in the aluminum strip at the top of the main frame. The opposed switch is fixedly connected to the thread break detection boxes at both ends of the function. The presser foot cylinder, the needle plate, the presser foot, the cover, the thread guide plate, the flap rod, the hook mounting plate, the fixture assembly, and the drive motor are fixedly connected to the middle part of the main frame using bolts. The display screen is fixedly connected to the cover on the left side.

[0009] Further, the sewing needle is fixedly connected to the needle plate using bolts. The flap is fixedly connected to the flap rod using bolts. The hook is fixedly connected to the hook mounting plate.

[0010] Further, the thread passing rod, the thread swinging rod, the rotating shaft, the bobbin thread clamp, and the roller motor are fixedly connected to the middle and lower parts of the main frame using bolts. The electric box is fixedly connected to the lower right side using bolts. The bobbin thread is placed at the bottom of the main frame. The first drive shaft, the second drive shaft, the third drive shaft, the fourth drive shaft, and the roller are fixedly connected to the bearings in the middle of the main frame.

[0011] The technical effects and advantages of the present invention:

[0012] 1. The present invention is provided with a main assembly area, which can simultaneously install 65 sewing needles. The maximum sewing range is 0 - 406 mm, and it can produce mattress gaskets with a range of 0 - 500 mm, meeting the user's needs. Driven by 2 servo motors, it has sufficient power to drive and can perform high-speed production sewing.

[0013] 2. The present invention is provided with a lifting threaded rod. By turning the handwheel, the handwheel rotates. Since the handwheel and the second gear are meshed with each other, the second gear rotates to drive the threaded rod to rotate, thereby pushing the fabric wire rack 1 upward, effectively lifting the fabric wire rack. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 is a schematic diagram of the overall structure of the present invention;

[0015] Figure 2 is a schematic diagram of the overall structure of the main assembly area of the present invention;

[0016] Figure 3 is a schematic diagram of the overall side structure of the main assembly area of the present invention;

[0017] Figure 4 is a schematic diagram of the overall structure of the fabric wire rack of the present invention;

[0018] Figure 5 is a schematic diagram of the structure of the lifting threaded rod of the present invention;

[0019] Figure 6 is a schematic diagram of the working principle of the present invention.

[0020] Reference numerals are: 1, fabric wire rack; 101, telescopic rod; 102, fixed rod; 103, handwheel; 1031, first gear; 1032, second gear; 1033, threaded rod; 104, fixed base; 105, connecting block; 2, surface thread; 3, surface thread clip; 4, broken thread detection box; 5, opposed switch; 6, display screen; 7, presser foot cylinder; 8, needle plate; 9, sewing needle; 10, presser foot; 11, cover; 12, thread guide; 13, paddle; 14, paddle rod; 15, hook; 16, hook mounting plate; 17, fixture assembly; 18, thread passing rod; 19, thread swinging rod; 20, rotating shaft; 21, bobbin thread clip; 22, electric box; 23, main frame; 24, bobbin thread; 25, first drive shaft; 26, second drive shaft; 27, third drive shaft; 28, fourth drive shaft; 29, roller; 30, roller motor; 31, drive motor; 32, feeding device; 33, winding device. DETAILED DESCRIPTION OF THE INVENTION

[0021] The technical solutions of the present invention will be clearly and completely described below in conjunction with the accompanying drawings of the present invention. In addition, the forms of the various structures described in the following embodiments are merely examples. An efficient straight sewing machine according to the present invention is not limited to the various structures described in the following embodiments. All other embodiments obtained by those of ordinary skill in the art without creative efforts fall within the scope of protection of the present invention.

[0022] Referring to Figures 1 to 5 , the present invention provides an efficient straight sewing machine, including a fabric thread stand 1, characterized in that it includes a material feeding device 32 and a material collecting device 33. A connecting block 105 is fixedly connected to one side of the fabric thread stand 1. A telescopic rod 101 is fixedly connected to the bottom of the connecting block 105. A fixed rod 102 is fixedly connected to the bottom of the telescopic rod 101. A handwheel 103 is provided on one side of the fixed rod 102. A fixed base 104 is fixedly connected to the bottom of the fixed rod 102. A first gear 1031 is fixedly connected to one side of the handwheel 103. A second gear 1032 is provided on one side of the first gear 1031. A threaded rod 1033 is fixedly connected to the top of the second gear 1032.

[0023] In a preferred embodiment, a surface thread 2 is provided at the bottom of the fabric thread stand 1. A surface thread clip 3 is provided on one side of the surface thread 2. A thread break detection box 4 is provided on one side of the surface thread clip 3. An opposed switch 5 is provided on one side of the thread break detection box 4. A display screen 6 is provided on one side of the opposed switch 5. A presser foot cylinder 7 is provided on one side of the display screen 6. A needle plate 8 is provided at the bottom of the presser foot cylinder 7. A sewing needle 9 is provided at the bottom of the needle plate 8. A presser foot 10 is provided at the bottom of the sewing needle 9. A third drive shaft 27 is provided at the bottom of the presser foot 10. A first drive shaft 25 is provided at the top of the presser foot cylinder 7. A second drive shaft 26 is provided on the outer side of the first drive shaft 25. A thread passing plate 12 is provided on one side of the presser foot cylinder 7. A dial 13 is provided at the bottom of the thread passing plate 12. A dial rod 14 is provided at the bottom of the dial 13. A hook 15 is provided at the bottom of the dial rod 14. A hook mounting plate 16 is provided at the bottom of the hook 15. A clamp assembly 17 is provided on one side of the hook mounting plate 16. A thread passing rod 18 is provided at the bottom of the hook mounting plate 16. A thread swinging rod 19 is provided at the bottom of the thread passing rod 18. A rotating shaft 20 is provided at the bottom of the thread swinging rod 19. A bobbin thread clip 21 is provided at the bottom of the rotating shaft 20. An electric box 22 is provided on one side of the bobbin thread clip 21. A main frame 23 is provided on one side of the electric box 22. A bobbin thread 24 is provided on one side of the main frame 23. A fourth drive shaft 28 is provided at the bottom of the other side of the surface thread 2. A roller 29 is provided at the bottom of the fourth drive shaft 28. A drive motor 31 is provided on one side of the roller 29. A roller motor 30 is provided at the bottom of the roller 29.

[0024] In this embodiment, it should be specifically supplemented that positioning holes are evenly formed on the surfaces of the fabric wire rack 1 and the connecting block 105, and they are fixedly connected using positioning pins. A threaded hole is formed inside the telescopic rod 101 and is matched with the threaded rod 1033, and the first gear 1031 and the second gear 1032 are meshed with each other.

[0025] In this embodiment, it should be specifically supplemented that the fabric wire rack 1 and the thread clamp 3 are fixedly connected to the top of the main frame 23 and are fixedly connected using nuts. The thread 2 is placed on the surface of the fabric wire rack 1. The wire break detection box 4 is embedded in the aluminum strip at the top of the main frame. The light barrier switch 5 is fixedly connected to the wire break detection boxes 4 at both ends of the function. The presser foot cylinder 7, the needle plate 8, the presser foot 10, the cover 11, the thread guide 12, the paddle lever 14, the hook mounting plate 16, the fixture assembly 17 and the drive motor 31 are fixedly connected to the middle part of the main frame 23 using bolts. The display screen 6 is fixedly connected to the cover 11 on the left side.

[0026] In this embodiment, it should be specifically supplemented that the sewing needle 9 is fixedly connected to the needle plate 8 using bolts, the paddle 13 is fixedly connected to the paddle lever 14 using bolts, and the hook 15 is fixedly connected to the hook mounting plate 16.

[0027] In this embodiment, it should be specifically supplemented that the thread guide rod 18, the thread swing rod 19, the rotating shaft 20, the bobbin thread clamp 21 and the roller motor 30 are fixedly connected to the middle and lower part of the main frame 23 using bolts. The electric box 22 is fixedly connected to the lower right side. The bobbin thread 24 is placed at the bottom of the main frame 23. The first drive shaft 25, the second drive shaft 26, the third drive shaft 27, the fourth drive shaft 28 and the roller 29 are fixedly connected to the bearings in the middle part of the main frame 23.

[0028] Working principle of the present invention: The material is placed on the feeding device 32, guided through the fixture assembly 17 and the roller 29 to the receiving device 33 to complete the feeding; The order of the upper thread is: upper thread 2 → upper thread spool 1 → upper thread clip 3 → thread break detection box 4 → sewing needle 9; The order of the upper and lower threads is: bobbin thread 24 → bobbin thread clip 21 → thread break detection box 4 → oscillating lever 19 → hook 15; Start the machine, the drive motor 31 rotates, thereby driving the sewing needle 9, the hook 15, the dial 13, and the oscillating lever 19 to move, so that the upper thread 2 and the bobbin thread 24 sew the material together, the roller motor 30 rotates to drive the fabric to be conveyed to the receiving device 33, and the two motors cooperate with each other to complete the straight sewing of the material. The photoelectric switch 5 can detect the usage of the upper thread 2 and the bobbin thread 24, and the machine will stop immediately every time a thread breaks, ensuring smooth production. The fixture assembly 17 can assemble material cylinders of various specifications, can control and maintain the processing state of the material, and ensure the stability of the equipment. By shaking the handwheel 103 to drive the handwheel 1031 to rotate, since the handwheel 1031 and the second gear 1032 are meshed with each other, the second gear 1032 rotates to make the threaded rod 1033 rotate, thereby pushing the fabric spool 1 upward, and the fabric spool 1 can be effectively lifted and lowered.

[0029] Although the embodiments of the present invention have been shown and described, for those of ordinary skill in the art, it can be understood that various changes, modifications, substitutions and variations can be made to these embodiments without departing from the principles and spirit of the present invention. The scope of the present invention is defined by the appended claims and their equivalents.

[0030] Finally, several points should be noted: First, in the description of the present application, it should be noted that unless otherwise specified and limited, the terms "installation", "connection", and "connection" should be understood in a broad sense, which can be mechanical connection or electrical connection, or the communication inside two components, and can be directly connected. "Upper", "lower", "left", "right", etc. are only used to represent the relative position relationship. When the absolute position of the described object changes, the relative position relationship may change;

[0031] Second: In the drawings of the disclosed embodiments of the present invention, only the structures related to the disclosed embodiments of the present invention are involved. Other structures can refer to the general design. Without conflict, the same embodiment and different embodiments of the present invention can be combined with each other;

[0032] Finally: The above are only the preferred embodiments of the present invention and are not used to limit the present invention. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principle of the present invention shall be included in the protection scope of the present invention.

Claims

1. A high-efficiency straight-line sewing machine, comprising a fabric thread stand (1), characterized in that: Also includes: A material discharging device (32) and a material receiving device (33), wherein one side of the fabric wire rack (1) is fixedly connected to a connecting block (105), the bottom of the connecting block (105) is fixedly connected to a telescopic rod (101), the bottom of the telescopic rod (101) is fixedly connected to a fixed rod (102), one side of the fixed rod (102) is provided with a hand wheel (103), the bottom of the fixed rod (102) is fixedly connected to a fixed base (104), one side of the hand wheel (103) is fixedly connected to a first gear (1031), one side of the first gear (1031) is provided with a second gear (1032), and the top of the second gear (1032) is fixedly connected to a threaded rod (1033).

2. A high-efficiency straight-line sewing machine according to claim 1, characterized in that: The bottom of the fabric thread rack (1) is provided with an upper thread (2), one side of the upper thread (2) is provided with an upper thread clamp (3), one side of the upper thread clamp (3) is provided with a thread break detection box (4), one side of the thread break detection box (4) is provided with a reverse shooting switch (5), one side of the reverse shooting switch (5) is provided with a display screen (6), one side of the display screen (6) is provided with a presser foot cylinder (7), the bottom of the presser foot cylinder (7) is provided with a needle plate (8), the bottom of the needle plate (8) is provided with a needle plate (8) A machine needle (9) is provided, a presser foot (10) is provided at the bottom of the machine needle (9), a third driving shaft (27) is provided at the bottom of the presser foot (10), a first driving shaft (25) is provided at the top of the presser foot cylinder (7), a second driving shaft (26) is provided on the outer side of the first driving shaft (25), a wire passing plate (12) is provided on one side of the presser foot cylinder (7), a paddle (13) is provided at the bottom of the wire passing plate (12), and a paddle rod is provided at the bottom of the paddle (13). (14), a hook (15) is provided at the bottom of the plectrum lever (14), a hook mounting plate (16) is provided at the bottom of the hook (15), a clamp assembly (17) is provided on one side of the hook mounting plate (16), a wire rod (18) is provided at the bottom of the hook mounting plate (16), a cycloidal rod (19) is provided at the bottom of the wire rod (18), a rotating shaft (20) is provided at the bottom of the rotating shaft (20), and a bottom line clamp is provided at the bottom of the rotating shaft (20). (21), an electric box (22) is provided on one side of the bottom line clamp (21), a main frame (23) is provided on one side of the electric box (22), a bottom line (24) is provided on one side of the main frame (23), a fourth driving shaft (28) is provided at the bottom of the other side of the surface line (2), a roller (29) is provided at the bottom of the fourth driving shaft (28), a driving motor (31) is provided on one side of the roller (29), and a roller motor (30) is provided at the bottom of the roller (29).

3. The high-efficiency linear sewing machine according to claim 1, characterized in that: Positioning holes are evenly formed on the surfaces of the fabric wire rack (1) and the connecting block (105), and are fixedly connected using positioning pins. A threaded hole is formed inside the telescopic rod (101), and the threaded rod (1033) cooperates with each other, and the first gear (1031) and the second gear (1032) are meshed with each other.

4. The high-efficiency linear sewing machine according to claim 2, characterized in that: The fabric thread rack (1) and the surface thread clamp (3) are fixedly connected to the top of the main frame (23) and fixedly connected using nuts. The surface thread (2) is placed on the surface of the fabric thread rack (1). The broken thread detection box (4) is embedded in the aluminum strip on the top of the main frame. The shooting switch (5) is fixedly connected to the broken thread detection box (4) at both ends of the action. The presser foot cylinder (7), needle plate (8), presser foot (10), cover (11), wire passing plate (12), paddle rod (14), hook mounting plate (16), clamp assembly (17) and driving motor (31) are fixedly connected to the middle part of the main frame (23) using bolts. The display screen (6) is fixedly connected to the cover (11) on the left side.

5. The high-efficiency linear sewing machine according to claim 2, characterized in that: The needle (9) is fixedly connected to the needle plate (8) by bolts, the paddle (13) is fixedly connected to the paddle rod (14) by bolts, and the hook (15) is fixedly connected to the hook mounting plate (16).

6. The high-efficiency straight-line sewing machine according to claim 2, characterized in that: The wire rod (18), the cycloidal rod (19), the rotating shaft (20), the bottom line clamp (21), and the roller motor (30) are fixedly connected to the middle and lower part of the main frame (23) by using bolts, the electric box (22) is fixedly connected to the lower right side by using bolts, the bottom line (24) is placed at the bottom of the main frame (23), and the first driving shaft (25), the second driving shaft (26), the third driving shaft (27), the fourth driving shaft (28) and the roller (29) are fixedly connected in the bearing in the middle of the main frame (23).