Sewing machine for travel bag processing
By designing a travel bag processing sewing machine with a clamping mechanism, the problem that traditional sewing machines cannot flexibly replace sewing needles is solved, and the adaptive fixation of the sewing machine to needles of different sizes is achieved, and the flexibility and applicability of sewing are improved.
Patent Information
- Application Number
- CN202421518357.4
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-06-30
- Publication Date
- 2025-06-03
- Estimated Expiration
- 2034-06-30
AI Technical Summary
The sewing machine of traditional travel bag processing fixes the sewing needle with fixing screws, and cannot flexibly replace sewing needles of different sizes, limiting the diversity and flexibility of the sewing process.
A sewing machine for travel bag processing is designed, which realizes adaptive clamping and fixing of sewing needles of different sizes through a clamping mechanism, including a U-shaped seat, a connecting rod, a slider, a clamping plate, a fixing ring and a rotating groove. Through the cooperation of the knob and a screw, the adaptive fixing of the sewing needle is achieved.
The sewing machine can be suitable for different sewing tasks and fabric types, improving the applicability and flexibility of the sewing machine, and solving the problem that traditional sewing machines cannot flexibly replace sewing needles.
Smart Images
Figure CN222935659U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of sewing machines, in particular to a sewing machine for processing travel bags. Background Technique
[0002] The sewing machine plays a crucial role in making travel bags. Especially for some relatively thick materials, such as canvas, leather or Oxford cloth, etc., for sewing thick materials, the sewing machine needs to have enough power to penetrate the materials. Therefore, when making travel bags or other sewing projects, it is crucial to select a sewing needle suitable for the materials and requirements.
[0003] The traditional sewing machine for processing travel bags is fixed on the needle column by fixing screws to ensure that there is no shaking or falling off during high-speed sewing.
[0004] The traditional sewing machine for processing travel bags has the following problems: Fixing the sewing needle by using the way of fixing screws requires that the size and shape of the sewing needle match the screws properly, and it is impossible to flexibly replace the sewing needle according to different sizes, which limits the diversity and flexibility of the sewing process. For this reason, we propose a sewing machine for processing travel bags. Content of the Utility Model
[0005] The technical problem to be solved by the utility model is to overcome the existing defects, and provide a sewing machine for processing travel bags, so that the sewing machine can be applicable to different sewing tasks and fabric types, improving the applicability and flexibility of the sewing machine, and effectively solving the problems in the background technique.
[0006] To achieve the above purpose, the utility model provides the following technical scheme: A sewing machine for processing travel bags, including a base, a driving mechanism and a sewing needle.
[0007] Base: A mounting frame is fixedly connected to the right side surface thereof. An installation groove is opened inside the mounting frame. A sliding opening is opened between the upper and lower inner walls at the left end of the installation groove. A lower needle bar is slidably connected to the inner wall of the sliding opening. A sliding groove is opened inside the lower needle bar.
[0008] Driving mechanism: It is arranged inside the sliding groove, and a clamping mechanism is provided at the bottom end of the driving mechanism.
[0009] Sewing needle: It is arranged inside the clamping mechanism, and can be adaptively clamped and fixed according to different sizes of sewing needles, so that the sewing machine can be applicable to different sewing tasks and fabric types, improving the applicability and flexibility of the sewing machine.
[0010] Furthermore, it further includes a single-chip microcomputer. The single-chip microcomputer is arranged at the right end of the front side surface of the mounting frame. The input end of the single-chip microcomputer is electrically connected to an external power supply, which is convenient for regulating the operation of electrical appliances.
[0011] Further, it further includes a fixing plate and a rotating shaft. The fixing plate is fixedly connected to the middle of the lower needle bar. The fixing plate is located in the installation groove. An avoidance groove is opened inside the fixing plate. The rotating shaft is rotatably connected to the rear inner wall of the installation groove. The front end of the rotating shaft is fixedly connected with a mounting plate. An eccentric part at the front end of the mounting plate is rotatably connected with a rotating shaft. The rotating shaft is located in the avoidance groove to realize the sewing operation of the travel bag.
[0012] Further, it further includes a motor. The motor is installed on the rear side of the mounting frame by bolts. The front end of the output shaft of the motor is fixedly connected to the rear end of the rotating shaft. The input end of the motor is electrically connected to the output end of the single-chip microcomputer to drive the lower needle.
[0013] Further, the driving mechanism includes a knob, a second rotating groove and a screw rod. The second rotating groove is opened at the bottom end of the lower needle bar. The inner wall of the second rotating groove is rotatably connected with a knob. The middle part of the knob is threadedly connected with a screw rod. The top end of the screw rod extends into the inside of the sliding groove. The top end of the screw rod is slidably connected with the inside of the sliding groove. The bottom end of the screw rod is fixedly connected with a clamping mechanism to drive the clamping mechanism to perform clamping and fixing.
[0014] Further, the clamping mechanism includes a U-shaped seat, a connecting rod, a slider, a clamping plate, a fixing ring and a first rotating groove. The first rotating groove is opened on the upper surface of the fixing ring. The inner wall of the first rotating groove is rotatably connected with the bottom end of the knob. The lower surface of the fixing ring is fixedly connected with four U-shaped seats. The inside of each U-shaped seat is rotatably connected with a connecting rod through a pin shaft. The bottom ends of the connecting rods are rotatably connected with sliders through pin shafts. The bottom ends of the sliders are fixedly connected with clamping plates. The clamping plates are respectively installed in cooperation with a sewing needle, and can be adaptively clamped and fixed according to sewing needles of different sizes.
[0015] Further, the clamping mechanism further includes a guiding sliding groove and a fixing disk. The fixing disk is fixedly connected to the bottom end of the screw rod. Four guiding sliding grooves are opened inside the fixing disk. The inner walls of the guiding sliding grooves are respectively slidably connected with the outer surfaces of the adjacent sliders to provide guidance.
[0016] Further, it further includes a placement groove. The placement groove is opened at the left end of the upper surface of the base. An avoidance opening is opened on the upper surface of the placement groove. The avoidance opening corresponds to the sewing needle in the up and down position to prevent the sewing needle from colliding with components in non-travel bag positions.
[0017] Further, it further includes legs. The legs are respectively fixedly connected to the four corners of the lower surface of the base to improve the stability during sewing.
[0018] Compared with the prior art, the beneficial effects of the present utility model are as follows: The sewing machine for processing travel bags has the following advantages:
[0019] Rotate the knob. The knob rotates between the first rotating groove and the second rotating groove, and makes the screw move along the inner wall of the sliding groove by being threadedly connected to the screw. While moving downward, it drives the top end of the connecting rod to rotate clockwise by a certain angle with the pin shaft of the U-shaped seat as the center, and then drives the connecting rod to rotate clockwise by a certain angle with the pin shaft at the bottom end as the center, thereby driving the slider to move inward and slide on the inner wall of the guiding sliding groove for sliding avoidance, and then driving the clamping plate to move inward until it contacts and clamps the outer surface of the sewing needle, and the sewing needle can be adaptively clamped and fixed by controlling the rotation degree of the knob, so that the sewing machine can be adaptively clamped and fixed according to sewing needles of different sizes, enabling the sewing machine to be applicable to different sewing tasks and types of travel bag fabrics, and improving the applicability and flexibility of the sewing machine. Brief Description of the Drawings
[0020] Figure 1 is a schematic structural diagram of the present utility model;
[0021] Figure 2 is a schematic structural diagram of the front side cross-section of the present utility model;
[0022] Figure 3 is a schematic enlarged structural diagram at position A of the present utility model;
[0023] Figure 4 is a partial cross-sectional structural diagram of the clamping mechanism and the driving mechanism of the present utility model.
[0024] In the figure: 1 base, 2 placement groove, 3 avoidance opening, 4 clamping mechanism, 41 U-shaped seat, 42 connecting rod, 43 slider, 44 clamping plate, 45 guiding sliding groove, 46 fixed disk, 47 fixed ring, 48 first rotating groove, 5 driving mechanism, 51 knob, 52 second rotating groove, 53 screw, 6 sliding opening, 7 lower needle bar, 8 motor, 9 mounting bracket, 10 single-chip microcomputer, 11 fixing plate, 12 avoidance groove, 13 rotating shaft, 14 mounting plate, 15 rotating shaft, 16 mounting groove, 17 sliding groove, 18 leg, 19 sewing needle. Detailed Embodiment
[0025] Next, the technical solutions in the embodiments of the present utility model will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present utility model.
[0026] Please refer to Figures 1-4 , this embodiment provides a technical solution: A sewing machine for processing travel bags, including a base 1, a driving mechanism 5 and a sewing needle 19;
[0027] Base 1: A mounting bracket 9 is fixedly connected to its right side. An installation groove 16 is provided inside the mounting bracket 9. A sliding opening 6 is provided between the upper and lower inner walls at the left end of the installation groove 16. A lower needle bar 7 is slidably connected to the inner wall of the sliding opening 6. A chute 17 is provided inside the lower needle bar 7. It also includes a single-chip microcomputer 10, which is arranged at the right end of the front side of the mounting bracket 9. The input end of the single-chip microcomputer 10 is electrically connected to an external power supply. It further includes a fixing plate 11 and a rotating shaft 13. The fixing plate 11 is fixedly connected to the middle of the lower needle bar 7. The fixing plate 11 is located inside the installation groove 16. An avoidance groove 12 is provided inside the fixing plate 11. The rotating shaft 13 is rotatably connected to the rear inner wall of the installation groove 16. The front end of the rotating shaft 13 is fixedly connected with a mounting plate 14. An eccentric position at the front end of the mounting plate 14 is rotatably connected with a rotating shaft 15. The rotating shaft 15 is located inside the avoidance groove 12. It also includes a motor 8, which is installed on the rear side of the mounting bracket 9 by bolts. The front end of the output shaft of the motor 8 is fixedly connected to the rear end of the rotating shaft 13. The input end of the motor 8 is electrically connected to the output end of the single-chip microcomputer 10. It further includes a placement groove 2, which is provided at the left end of the upper surface of the base 1. An avoidance opening 3 is provided on the upper surface of the placement groove 2. The avoidance opening 3 corresponds to the sewing needle 19 in the up and down position. At the same time, place the travel bag in the placement groove 2. Then, control the operation of the motor 8 through the single-chip microcomputer 10. The rotation of the output shaft of the motor 8 drives the rotation of the rotating shaft 13. The rotation of the rotating shaft 13 drives the rotation of the fixing plate 11. The fixing plate 11 drives the rotating shaft 15 at its eccentric position to rotate and slide inside the avoidance groove 12, thereby realizing the sliding and avoidance of the lower needle bar 7 on the fixing plate 11 inside the sliding opening 6, so that the lower needle bar 7 drives the sewing needle 19 inside the clamping plate 44 to reciprocate up and down to sew the travel bag, realizing the sewing operation of the travel bag, and realizing the avoidance of the sewing needle 19 during the downward needle through the avoidance opening 3, thereby avoiding the sewing needle 19 from colliding with the components at non-travel bag positions. It also includes legs 18, which are respectively fixedly connected to the four corners of the lower surface of the base 1, effectively improving the stability during sewing;
[0028] Driving mechanism 5: It is arranged inside the sliding groove 17. The driving mechanism 5 includes a knob 51, a second rotating groove 52 and a screw rod 53. The second rotating groove 52 is opened at the bottom end of the lower needle bar 7. The inner wall of the second rotating groove 52 is rotatably connected with the knob 51. The middle part of the knob 51 is threadedly connected with the screw rod 53. The top end of the screw rod 53 extends into the sliding groove 17. The top end of the screw rod 53 is slidably connected to the inside of the sliding groove 17. The bottom end of the screw rod 53 is fixedly connected with a clamping mechanism 4. There is a clamping mechanism 4 at the bottom end of the driving mechanism 5. The clamping mechanism 4 includes a U-shaped seat 41, a connecting rod 42, a slider 43, a clamping plate 44, a fixing ring 47 and a first rotating groove 48. The upper surface of the fixing ring 47 is provided with the first rotating groove 48. The inner wall of the first rotating groove 48 is rotatably connected with the bottom end of the knob 51. The lower surface of the fixing ring 47 is fixedly connected with four U-shaped seats 41. The inside of each U-shaped seat 41 is rotatably connected with a connecting rod 42 through a pin shaft. The bottom ends of the connecting rods 42 are rotatably connected with sliders 43 through pin shafts. The bottom ends of the sliders 43 are fixedly connected with clamping plates 44. The clamping plates 44 are respectively installed in cooperation with a sewing needle 19. The clamping mechanism 4 further includes a guiding sliding groove 45 and a fixing disk 46. The fixing disk 46 is fixedly connected to the bottom end of the screw rod 53. Four guiding sliding grooves 45 are opened inside the fixing disk 46. The inner walls of the guiding sliding grooves 45 are respectively slidably connected with the outer surfaces of the adjacent sliders 43. Rotate the knob 51. The knob 51 rotates between the first rotating groove 48 and the second rotating groove 52, and makes the screw rod 53 move along the inner wall of the sliding groove 17 by being threadedly connected with the screw rod 53. While moving downward, it drives the top end of the connecting rod 42 to rotate clockwise by a certain angle with the pin shaft of the U-shaped seat 41 as the center, and further drives the connecting rod 42 to rotate clockwise by a certain angle with the pin shaft at the bottom end as the center, so as to drive the sliders 43 to move closer inward and slide on the inner walls of the guiding sliding grooves 45 for sliding and avoiding, thereby driving the clamping plates 44 to move closer inward until they contact and clamp the outer surface of the sewing needle 19, and the sewing needle 19 can be adaptively clamped and fixed by controlling the rotation degree of the knob 51;
[0029] Sewing needle 19: It is arranged inside the clamping mechanism 4, and the sewing needle 19 is placed at the center of the clamping plate 44.
[0030] The working principle of a sewing machine for processing travel bags provided by the present utility model is as follows: First, place the sewing needle 19 at the center of the clamping plate 44, and then rotate the knob 51. The knob 51 rotates between the first rotating groove 48 and the second rotating groove 52, and through threaded connection with the screw rod 53, the screw rod 53 moves along the inner wall of the sliding groove 17. While moving downward, it drives the top end of the connecting rod 42 to rotate clockwise by a certain angle with the pin shaft of the U-shaped seat 41 as the center, and then drives the connecting rod 42 to rotate clockwise by a certain angle with the pin shaft at the bottom end as the center, thereby driving the slider 43 to move inward and approach, and slide on the inner wall of the guiding sliding groove 45 for sliding avoidance, so as to drive the clamping plate 44 to move inward until it contacts and clamps the outer surface of the sewing needle 19, and the sewing needle 19 can be adaptively clamped and fixed by controlling the rotation degree of the knob 51. At the same time, place the travel bag in the placing groove 2, and then regulate the operation of the motor 8 through the single-chip microcomputer 10. The output shaft of the motor 8 rotates to drive the rotating shaft 13 to rotate, and the rotating shaft 13 rotates to drive the fixing plate 11 to rotate. The fixing plate 11 drives the rotating shaft 15 at its eccentric position to rotate and slide in the avoidance groove 12, thereby realizing the sliding avoidance of the lower needle bar 7 on the fixing plate 11 in the sliding opening 6, so that the lower needle bar 7 drives the sewing needle 19 in the clamping plate 44 to reciprocate up and down to sew the travel bag, realizing the sewing operation of the travel bag, and realizing the avoidance when the sewing needle 19 needles through the avoidance opening 3, thereby avoiding the sewing needle 19 from colliding with the components at non-travel bag positions.
[0031] It should be noted that the specific model of the single-chip microcomputer 10 disclosed in the above embodiments is S7-200, and the motor 8 is preferably selected as D180M-0160030B-E. The single-chip microcomputer 10 controls the operation of the motor 8 by using the commonly used methods in the prior art.
[0032] The above are only the embodiments of the present utility model, and do not limit the patent scope of the present utility model accordingly. Any equivalent structure or equivalent process transformation made by using the content of the specification and drawings of the present utility model, or directly or indirectly applied in other related technical fields, shall be equally included in the patent protection scope of the present utility model.
Claims
1. A sewing machine for travel bag processing, characterized in that: It comprises a base (1), a driving mechanism (5) and a sewing needle (19); The base (1) has a mounting frame (9) fixedly connected to its right side surface, a mounting groove (16) is provided inside the mounting frame (9), a sliding opening (6) is provided between the upper and lower inner walls at the left end of the mounting groove (16), a lower needle rod (7) is slidably connected to the inner wall of the sliding opening (6), and a sliding groove (17) is provided inside the lower needle rod (7); A driving mechanism (5) is arranged inside the slide groove (17), and a clamping mechanism (4) is provided at the bottom end of the driving mechanism (5); Sewing needle (19): It is arranged inside the clamping mechanism (4).
2. A sewing machine for travel bag processing according to claim 1, characterized in that: It also includes a single chip microcomputer (10), which is arranged at the right end of the front side of the mounting frame (9), and the input end of the single chip microcomputer (10) is electrically connected to an external power supply.
3. A sewing machine for travel bag processing according to claim 2, characterized in that: It also comprises a fixed plate (11) and a rotating shaft (13), wherein the fixed plate (11) is fixedly connected to the middle part of the lower needle rod (7), the fixed plate (11) is located in the mounting groove (16), an avoidance groove (12) is provided inside the fixed plate (11), the rotating shaft (13) is rotatably connected to the rear inner wall of the mounting groove (16), the front end of the rotating shaft (13) is fixedly connected to the mounting plate (14), the eccentric part of the front end of the mounting plate (14) is rotatably connected to the rotating shaft (15), and the rotating shaft (15) is located in the avoidance groove (12).
4. A sewing machine for travel bag processing according to claim 3, characterized in that: It also includes a motor (8), which is mounted on the rear side of the mounting frame (9) by means of bolts, the front end of the output shaft of the motor (8) is fixedly connected to the rear end of the rotating shaft (13), and the input end of the motor (8) is electrically connected to the output end of the single-chip computer (10).
5. A sewing machine for travel bag processing according to claim 1, characterized in that: The driving mechanism (5) comprises a knob (51), a second rotating groove (52) and a screw (53); the second rotating groove (52) is arranged at the bottom end of the lower needle rod (7); the inner wall of the second rotating groove (52) is rotatably connected to the knob (51); the middle part of the knob (51) is threadedly connected to the screw (53); the top end of the screw (53) extends to the inside of the slide groove (17); the top end of the screw (53) is slidably connected to the inside of the slide groove (17); and the bottom end of the screw (53) is fixedly connected to the clamping mechanism (4).
6. A sewing machine for travel bag processing according to claim 5, characterized in that: The clamping mechanism (4) comprises a U-shaped seat (41), a connecting rod (42), a slider (43), a clamping plate (44), a fixing ring (47) and a rotating groove (48). The upper surface of the fixing ring (47) is provided with a rotating groove (48). The inner wall of the rotating groove (48) is rotatably connected to the bottom end of the knob (51). The lower surface of the fixing ring (47) is fixedly connected with four U-shaped seats (41). The interior of the U-shaped seat (41) is rotatably connected with the connecting rod (42) via a pin shaft. The bottom end of the connecting rod (42) is rotatably connected with the slider (43) via a pin shaft. The bottom end of the slider (43) is fixedly connected with a clamping plate (44). The clamping plate (44) is mounted in cooperation with a sewing needle (19).
7. A sewing machine for travel bag processing according to claim 6, characterized in that: The clamping mechanism (4) further comprises a guide slot (45) and a fixed plate (46), wherein the fixed plate (46) is fixedly connected to the bottom end of the screw rod (53), and four guide slots (45) are provided inside the fixed plate (46), and the inner walls of the guide slots (45) are slidably connected to the outer surfaces of adjacent sliders (43).
8. A sewing machine for travel bag processing according to claim 6, characterized in that: It also includes a placement groove (2), which is opened at the left end of the upper surface of the base (1). The upper surface of the placement groove (2) is provided with an escape opening (3), and the escape opening (3) corresponds to the upper and lower positions of the sewing needle (19).
9. A sewing machine for travel bag processing according to claim 1, characterized in that: It also includes supporting legs (18), and the supporting legs (18) are respectively fixedly connected to the four corners of the lower surface of the base (1).