Sewing vehicle

Abstract

The utility model discloses a sewing vehicle which comprises a supporting frame and a moving unit. A sewing machine head is arranged in the middle of the upper surface of the support frame; the moving unit comprises a moving seat, a lead screw and a pressing assembly, the moving seat is slidably connected to the front side of the upper surface of the supporting frame, the lead screw is rotatably connected to the middle of the upper surface of the supporting frame through a bearing, the rear end of the moving seat is in threaded connection with the lead screw, and the pressing assembly is arranged at the upper end of the moving seat; the pressing assembly and the moving base are located on the lower side of the front end of the sewing machine head. Wherein the sewing machine further comprises a PLC, the PLC is arranged on the front side face of the supporting frame, the input end of the sewing machine head is electrically connected with the output end of the PLC, the input end of the PLC is electrically connected with an external power source, the sewing machine can automatically drive luggage cloth to move, the labor burden of a user is reduced, meanwhile, the good fixing effect on the luggage cloth is achieved, and the practicability is high. Dislocation is avoided, and sewing quality is high.

Description

Technical Field

[0001] The utility model relates to the technical field of sewing machines, in particular to a sewing machine. Background Art

[0002] With the improvement of people's consumption level and the increase in demand for tourism, business, etc., the development prospect of the luggage market is broad. In the processing of luggage, the use of sewing machines is indispensable. The existing sewing machines can sew luggage by driving the sewing thread through the sewing needle. In the process of sewing, processing personnel are generally required to push the luggage fabric to move, which results in a lot of labor for processing personnel. There are also some that can use motors to drive the luggage fabric to move. The fabric is generally only fixed by the deformation of the elastic element, and the fixing force cannot be adjusted. When the fabric is thicker, the deformation of the elastic element is larger and the pressure is greater. On the contrary, when the fabric is thinner, the pressure is smaller, and the luggage fabric will shift during the movement, which can easily affect the processing quality. Utility Model Content

[0003] The technical problem to be solved by the utility model is to overcome the existing defects and provide a sewing vehicle which can automatically drive the bag fabric to move, thereby reducing the labor burden of the user and having a good fixing effect on the bag fabric to avoid dislocation, with high sewing quality, which can effectively solve the problems in the background technology.

[0004] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a sewing machine, comprising a support frame and a moving unit;

[0005] Support frame: a sewing machine head is provided in the middle of its upper surface;

[0006] The moving unit includes a moving seat, a screw rod and a material pressing assembly. The moving seat is slidably connected to the front side of the upper surface of the support frame. The screw rod is rotatably connected to the middle part of the upper surface of the support frame through a bearing. The rear end of the moving seat is threadedly connected to the screw rod. The material pressing assembly is arranged at the upper end of the moving seat. The material pressing assembly and the moving seat are both located at the lower side of the front end of the sewing machine head.

[0007] Among them: it also includes a PLC controller, the PLC controller is arranged on the front side of the support frame, the input end of the sewing machine head is electrically connected to the output end of the PLC controller, the input end of the PLC controller is electrically connected to an external power supply, the sewing car can automatically drive the luggage fabric to move, reducing the labor burden of the user, and at the same time the adjustable pressing force has a good fixing effect on the luggage fabric, avoiding dislocation of the luggage fabric during the movement, and the sewing quality is high.

[0008] Furthermore, the mobile unit also includes a servo motor, which is arranged on the left side of the upper surface of the support frame. The output shaft of the servo motor is fixedly connected to the left end of the screw rod, and the input end of the servo motor is electrically connected to the output end of the PLC controller to facilitate the control of the rotation of the screw rod.

[0009] Furthermore, the pressing assembly includes a sliding column and a pressing plate. The sliding columns are respectively slidably connected to the sliding holes at the upper end of the movable seat. The lower ends of the sliding columns are fixedly connected to the upper surface of the pressing plate. The pressing plate is located on the lower side of the front end of the sewing machine head to facilitate the fixation of luggage fabrics.

[0010] Furthermore, the pressing assembly also includes a connecting block and a moving block, the moving block is slidably connected to the upper end of the moving seat, the upper ends of the sliding columns are fixedly connected to the lower surface of the moving block, and the front end of the moving block is slidably connected to the inclined sliding hole in the middle of the connecting block to facilitate the control of the pressing plate.

[0011] Furthermore, the pressing assembly also includes an electric push rod, a round shaft and a spring. The electric push rod is arranged on the left side of the upper surface of the moving seat. A round shaft is provided on the telescopic end of the electric push rod. A spring is provided on the movable sleeve on the left end of the outer arc surface of the round shaft. The right end of the round shaft passes through the right side surface of the moving block and is provided with a retaining ring at the end. The spring is located between the electric push rod and the moving block. The input end of the electric push rod is electrically connected to the output end of the PLC controller to facilitate the movement of the moving block.

[0012] Furthermore, a proximity switch is provided at the right end of the moving block through a bracket, and the proximity switch is located on the right side of the circular shaft. The output end of the proximity switch is electrically connected to the input end of the PLC controller to facilitate the sensing of the circular shaft.

[0013] Furthermore, a fine-tuning bolt is threadedly connected to the right end of the circular shaft, and the fine-tuning bolt is arranged in cooperation with a proximity switch to facilitate adjustment of the sensing distance of the circular shaft.

[0014] Compared with the prior art, the beneficial effects of the utility model are: the sewing machine has the following advantages:

[0015] 1. Control the PLC controller, the servo motor and the sewing machine head to work. The output shaft of the servo motor drives the screw to rotate, and the screw drives the moving seat to slide along the guide rail on the upper surface of the support frame. The moving seat drives the luggage fabric to move. The front end of the moving seat and the pressing plate are provided with avoidance long holes corresponding to the sewing needles at the front end of the sewing machine head. The sewing machine head sews the luggage fabric passing below. During use, the sewing car can automatically drive the luggage fabric to move, reducing the labor burden of the user.

[0016] 2. Adjust the PLC controller, the electric push rod works, and its telescopic end drives the round shaft and the spring to move to the right. The spring pushes the moving block to slide to the right along the moving seat. The sliding shaft at the front end of the moving block slides relatively with the inclined sliding hole in the middle of the connecting block. The inclined sliding hole is tilted upward from left to right, and then the moving block drives the connecting block to move downward. The connecting block drives the pressing plate to move downward through the sliding column to press the fabric, and then the fabric blocks the downward movement of the pressing plate under the support of the moving seat. The moving block stops moving, and the electric push rod that continues to extend will compress the spring. At the same time, the electric push rod drives the fine-tuning screw through the round shaft The bolt moves synchronously, and after the spring is compressed to a certain length, the proximity switch senses the fine-tuning bolt, and the fine-tuning bolt sends an electrical signal to the PLC controller. The PLC controller controls the electric push rod to stop extending, and during initial use, the fine-tuning bolt can be rotated to adjust the initial distance between the fine-tuning bolt and the proximity switch to change the compression length of the spring. When in use, the fabric can be pressed by the force of the spring, which is convenient for fixing fabrics of different thicknesses. At the same time, the adjustable pressing force has a good fixing effect on the luggage fabric, avoiding dislocation of the luggage fabric during movement, and high sewing quality. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a schematic diagram of the structure of the utility model;

[0018] Figure 2 It is a cross-sectional structural schematic diagram of the rear side of the support frame of the utility model;

[0019] Figure 3 This is an enlarged structural diagram of point A of the utility model.

[0020] In the figure: 1 support frame, 2 sewing machine head, 3 PLC controller, 4 moving unit, 41 moving seat, 42 screw rod, 43 pressing assembly, 431 sliding column, 432 pressing plate, 433 connecting block, 434 moving block, 435 electric push rod, 436 round shaft, 437 spring, 44 servo motor, 5 proximity switch, 6 fine-tuning bolt. DETAILED DESCRIPTION

[0021] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0022] See also Figure 1-3 ,This embodiment provides a technical solution: a sewing machine, including a support frame 1 and a moving unit 4;

[0023] Support frame 1: A sewing machine head 2 is provided in the middle of its upper surface, and the support frame 1 provides a mounting position for the upper parts, and the sewing machine head 2 sews the bag fabric passing below;

[0024] The moving unit 4 includes a moving seat 41, a screw rod 42 and a pressing assembly 43. The moving seat 41 is slidably connected to the front side of the upper surface of the support frame 1. The screw rod 42 is rotatably connected to the middle part of the upper surface of the support frame 1 through a bearing. The rear end of the moving seat 41 is threadedly connected to the screw rod 42. The pressing assembly 43 is arranged at the upper end of the moving seat 41. The pressing assembly 43 and the moving seat 41 are both located at the lower side of the front end of the sewing machine head 2. The moving unit 4 also includes a servo motor 44. The servo motor 44 is arranged on the left side of the upper surface of the support frame 1. The output shaft of the servo motor 44 is fixedly connected to the left end of the screw rod 42. The input end of the servo motor 44 is electrically connected to the output end of the PLC controller 3. The output shaft of the servo motor 44 drives the screw rod 42 to rotate, and the screw rod 42 drives the moving seat 4 1 slides along the guide rail on the upper surface of the support frame 1, and the moving seat 41 drives the bag fabric to move. The pressing assembly 43 includes a slide post 431 and a pressing plate 432. The slide posts 431 are respectively slidably connected to the inside of the sliding hole at the upper end of the moving seat 41. The lower ends of the slide posts 431 are fixedly connected to the upper surface of the pressing plate 432. The pressing plate 432 is located at the lower side of the front end of the sewing machine head 2. The slide post 431 drives the pressing plate 432 to move downward to press the fabric. The fabric blocks the downward movement of the pressing plate 432 under the support of the moving seat 41. The pressing assembly 43 also includes a connecting block 433 and a moving block 434. The moving block 434 is slidably connected to the upper end of the moving seat 41. The upper ends of the slide posts 431 are fixedly connected to the lower surface of the moving block 434. The front end of the moving block 434 is fixedly connected to the connecting block 433. The inclined sliding hole in the middle of the block 433 is slidably connected, the sliding shaft at the front end of the moving block 434 slides relatively with the inclined sliding hole in the middle of the connecting block 433, and the inclined sliding hole is tilted upward from left to right, so that the moving block 434 will drive the connecting block 433 to move downward. The pressing assembly 43 also includes an electric push rod 435, a round shaft 436 and a spring 437. The electric push rod 435 is arranged on the left side of the upper surface of the moving seat 41, and a round shaft 436 is arranged on the telescopic end of the electric push rod 435. A spring 437 is arranged on the movable sleeve on the left end of the outer arc surface of the round shaft 436. The right end of the round shaft 436 passes through the right side surface of the moving block 434 and is provided with a retaining ring at the end. The spring 437 is located between the electric push rod 435 and the moving block 434. The input end of the electric push rod 435 is electrically connected to PL At the output end of the PLC controller 3, the electric push rod 435 works and its telescopic end drives the circular shaft 436 and the spring 437 to move to the right. The spring 437 drives the moving block 434 to slide to the right along the moving seat 41. The moving block 434 stops moving, and the electric push rod 435 that continues to extend will compress the spring 437. The right end of the moving block 434 is provided with a proximity switch 5 through a bracket. The proximity switch 5 is located on the right side of the circular shaft 436. The output end of the proximity switch 5 is electrically connected to the input end of the PLC controller 3. The right end of the circular shaft 436 is threadedly connected with a fine-tuning bolt 6. The fine-tuning bolt 6 is arranged in coordination with the proximity switch 5. The electric push rod 435 drives the fine-tuning bolt 6 to move synchronously through the circular shaft 436. After the spring 437 is compressed to a certain length, the proximity switch 5 senses the fine-tuning bolt 6.The fine-tuning bolt 6 sends an electrical signal to the PLC controller 3, and the PLC controller 3 controls the electric push rod 435 to stop extending. During initial use, the fine-tuning bolt 6 can be rotated to adjust the initial distance between the fine-tuning bolt 6 and the proximity switch 5, so as to change the compression length of the spring 437, and then the fixing pressure of the pressure plate 432 can be adjusted;

[0025] Among them: it also includes a PLC controller 3, the PLC controller 3 is arranged on the front side of the support frame 1, the input end of the sewing machine head 2 is electrically connected to the output end of the PLC controller 3, the input end of the PLC controller 3 is electrically connected to an external power supply, and the PLC controller 3 facilitates automatic control of the electrical appliance.

[0026] The working principle of a sewing machine provided by the utility model is as follows: when in use, the bag fabric is placed between the front end of the moving seat 41 and the lower surface of the pressing plate 432, and then the PLC controller 3 is adjusted, the electric push rod 435 works, and its telescopic end drives the round shaft 436 and the spring 437 to move to the right, and the spring 437 pushes the moving block 434 to slide to the right along the moving seat 41, and the sliding shaft at the front end of the moving block 434 slides relative to the oblique sliding hole in the middle of the connecting block 433, and the oblique sliding hole is inclined upward from left to right. The movable block 434 will drive the connecting block 433 to move downward, and the connecting block 433 will drive the pressing plate 432 to move downward through the sliding column 431 to press the cloth, and then the cloth will block the downward movement of the pressing plate 432 under the support of the movable seat 41, and the movable block 434 will stop moving, and the electric push rod 435 that continues to extend will compress the spring 437, and at the same time, the electric push rod 435 will drive the fine-tuning bolt 6 to move synchronously through the circular shaft 436, and after the spring 437 is compressed to a certain length, the proximity switch 5 will sense the fine-tuning bolt 6, and the fine-tuning bolt 6 will send an electrical signal to the PLC controller 3, and the PLC controller 3 will control the electric push rod 435 to stop extending, and during the initial use, the fine-tuning bolt 6 can be rotated to adjust the initial distance between the fine-tuning bolt 6 and the proximity switch 5, so as to change the compression length of the spring 437, and then the fixing pressure of the pressing plate 432 can be adjusted, so as to have a good fixing effect on the luggage fabric, and complete the fixing of the luggage fabric, and then the servo motor 44 and the sewing machine head 2 work, and the output shaft of the servo motor 44 The screw rod 42 is driven to rotate, and the screw rod 42 drives the moving seat 41 to slide along the guide rail on the upper surface of the support frame 1, and the moving seat 41 drives the luggage fabric to move. The front ends of the moving seat 41 and the pressing plate 432 are provided with avoidance long holes corresponding to the sewing needles at the front end of the sewing machine head 2. The sewing machine head 2 sews the luggage fabric passing below. After sewing is completed, the electric push rod 435 drives the connecting block 433 to move left through the circular shaft 436 and the retaining ring, thereby realizing the upward movement of the pressing plate 432 to loosen the luggage fabric.

[0027] It is worth noting that the sewing machine head 2, PLC controller 3, proximity switch 5, electric push rod 435 and servo motor 44 disclosed in the above embodiments can be freely configured according to the actual application scenario. The sewing machine head 2 can use a sewing machine head with model YS-0308-D4, the PLC controller 3 can use a PLC controller with model FX3U-16MR / ES-A, the servo motor 44 can use a servo motor with model R88M-G20030H-S2-Z, the electric push rod 435 can use an electric push rod of ANT-52, the proximity switch 5 can use a proximity switch with model LP-12P4C, and the PLC controller 3 controls the sewing machine head 2, the proximity switch 5, the electric push rod 435 and the servo motor 44 using methods commonly used in the prior art.

[0028] The above description is only an embodiment of the present invention, and does not limit the patent scope of the present invention. Any equivalent structure or equivalent process transformation made by using the contents of the specification and drawings of the present invention, or directly or indirectly applied in other related technical fields, are also included in the patent protection scope of the present invention.

Claims

1. A sewing machine, characterized in that: It comprises a support frame (1) and a moving unit (4); Support frame (1): a sewing machine head (2) is provided in the middle of its upper surface; The movable unit (4) comprises a movable seat (41), a screw rod (42) and a material pressing assembly (43), wherein the movable seat (41) is slidably connected to the front side of the upper surface of the support frame (1), the screw rod (42) is rotatably connected to the middle part of the upper surface of the support frame (1) via a bearing, the rear end of the movable seat (41) is threadedly connected to the screw rod (42), the material pressing assembly (43) is arranged at the upper end of the movable seat (41), and the material pressing assembly (43) and the movable seat (41) are both located at the lower side of the front end of the sewing machine head (2); Wherein: it also includes a PLC controller (3), the PLC controller (3) is arranged on the front side of the support frame (1), the input end of the sewing machine head (2) is electrically connected to the output end of the PLC controller (3), and the input end of the PLC controller (3) is electrically connected to an external power supply.

2. A sewing machine according to claim 1, characterized in that: The mobile unit (4) further comprises a servo motor (44), wherein the servo motor (44) is arranged on the left side of the upper surface of the support frame (1), the output shaft of the servo motor (44) is fixedly connected to the left end of the screw rod (42), and the input end of the servo motor (44) is electrically connected to the output end of the PLC controller (3).

3. A sewing machine according to claim 1, characterized in that: The material pressing assembly (43) comprises a slide column (431) and a pressing plate (432), wherein the slide columns (431) are respectively slidably connected to the inside of the sliding holes at the upper end of the movable seat (41), and the lower ends of the slide columns (431) are fixedly connected to the upper surface of the pressing plate (432), and the pressing plate (432) is located at the lower side of the front end of the sewing machine head (2).

4. A sewing machine according to claim 3, characterized in that: The pressing assembly (43) further comprises a connecting block (433) and a moving block (434), wherein the moving block (434) is slidably connected to the upper end of the moving seat (41), the upper end of the sliding column (431) is fixedly connected to the lower surface of the moving block (434), and the front end of the moving block (434) is slidably connected to the inclined sliding hole in the middle of the connecting block (433).

5. A sewing machine according to claim 4, characterized in that: The pressing assembly (43) further comprises an electric push rod (435), a round shaft (436) and a spring (437). The electric push rod (435) is arranged on the left side of the upper surface of the moving seat (41). The round shaft (436) is arranged on the telescopic end of the electric push rod (435). The spring (437) is arranged on the movable sleeve on the left end of the outer arc surface of the round shaft (436). The right end of the round shaft (436) passes through the right side surface of the moving block (434) and is provided with a retaining ring at the end. The spring (437) is located between the electric push rod (435) and the moving block (434). The input end of the electric push rod (435) is electrically connected to the output end of the PLC controller (3).

6. A sewing machine according to claim 5, characterized in that: A proximity switch (5) is provided at the right end of the moving block (434) via a bracket. The proximity switch (5) is located on the right side of the circular shaft (436). The output end of the proximity switch (5) is electrically connected to the input end of the PLC controller (3).

7. A sewing machine according to claim 6, characterized in that: The right end of the circular shaft (436) is threadedly connected with a fine-tuning bolt (6), and the fine-tuning bolt (6) is arranged in cooperation with the proximity switch (5).

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