Sewing device for casual pants production

Abstract

The sewing device for producing the casual pants comprises a workbench, two mounting through holes are formed in the top end of the workbench in a penetrating mode, conveying belts are rotationally connected to the interiors of the two mounting through holes, and mounting grooves are formed in the positions, located at driving shafts of the two conveying belts, of the top end of the workbench. And a servo motor is fixedly connected to the interior of one mounting groove. One of the transmission belts is driven by the servo motor to rotate, so that the casual wear fixed on the fixing frame is pulled and moves at a constant speed, the other transmission belt moves along with the casual wear in the moving process of casual pants, and counter-acting force is generated under the action of the volute spiral spring to reversely pull the casual pants. The casual pants are in a tightened state all the time, wrinkles are eliminated, the effect of continuous sewing of the sewing machine body is achieved, the structure is simple, and the sewing efficiency is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of sewing equipment, in particular to a sewing device for producing casual pants. Background Art

[0002] Casual pants are a type of loose and comfortable pants suitable for daily wear. They usually have a relaxed and comfortable style and are suitable for wearing in casual occasions or daily activities. Casual pants are made of some comfortable fabrics spliced ​​together by sewing devices. In the process of casual pants production, sewing devices are usually required for sewing.

[0003] When sewing casual pants with current sewing devices, it is usually necessary to manually press and move the casual pants flat to cooperate with the sewing device to perform the sewing operation. However, the sewing length of this method is equal to the moving length of the casual pants, and sewing needs to be stopped for a period of time to adjust the position of the casual pants. The operation is cumbersome and time-consuming, which reduces the sewing efficiency of the casual pants. Utility Model Content

[0004] The purpose of the utility model is to provide a sewing device for producing casual pants to solve the problems raised in the above-mentioned background technology.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a sewing device for producing casual pants, comprising a workbench, wherein two mounting through holes are formed through the top of the workbench, and conveyor belts are rotatably connected inside the two mounting through holes, and mounting grooves are formed at the top of the workbench and located at the positions of the two conveyor belt drive shafts, wherein a servo motor is fixedly connected inside one of the mounting grooves, and the output end of the servo motor is transmission-connected to one end of one of the conveyor belt drive shafts, and a volute spring is fixedly connected inside the other mounting groove, and the inner end of the volute spring is fixedly connected to the outer surface of the other conveyor belt drive shaft.

[0006] As a further preferred embodiment of the present technical solution, a sewing machine body is fixedly connected to the top of the workbench and at a middle position, and a pressing frame is fixedly connected to the top of the workbench and at positions on both sides of the sewing machine body, and two bidirectional screw rods are rotatably connected inside the two pressing frames and near the top positions, and two adjusting blocks are meshed on the outer surfaces of the two bidirectional screw rods, and the top ends of the four adjusting blocks are respectively slidably connected to the inner top surfaces of the two pressing frames, and the bottom ends of the four adjusting blocks are rotatably connected to connecting rods, and the other ends of the four connecting rods are respectively rotatably connected to two pressing rollers.

[0007] As a further preferred embodiment of the technical solution, limiting grooves are provided on both side walls inside the clamping frame, limiting blocks are fixedly connected on both sides of the clamping roller, and outer surfaces of the two limiting blocks are slidably connected to the inside of the two limiting grooves respectively.

[0008] As a further preference of the present technical solution, one end of the bidirectional lead screw penetrates through one side wall inside the pressing frame and is fixedly connected with a polygonal connecting column. The outer surface of the polygonal connecting column is slidably connected with a movable turntable. One side of the pressing frame and at the position of the bidirectional lead screw is fixedly connected with a fixed seat, and one end of the movable turntable is inserted into the fixed seat.

[0009] As a further preference of the present technical solution, fixed frames are fixedly connected to the outer surfaces of both conveyor belts. An adjusting screw is threadedly connected to the top end of the fixed frame. The bottom end of the adjusting screw penetrates through the top end of the fixed frame and is rotatably connected with a fixing plate. One side of the fixed frame and at the lower edge position is fixedly connected with a fixed bottom plate.

[0010] As a further preference of the present technical solution, two positioning rods are slidably connected inside the fixed frame. The bottom ends of the two positioning rods are fixedly connected to the top end of the fixing plate. Friction lines are provided on the outer surfaces of the fixing plate and the fixed bottom plate.

[0011] The utility model provides a sewing device for producing casual pants, which has the following beneficial effects:

[0012] (1) In the utility model, a servo motor drives one of the conveyor belts to rotate, so that the casual clothes fixed on the fixed frame are pulled and move at a constant speed. During the movement of the casual pants, the other conveyor belt follows the movement and generates a reaction force under the action of the scroll spring to pull the casual pants in the reverse direction, so that the casual pants are always in a taut state, eliminating the existence of wrinkles, realizing the continuous sewing effect of the sewing machine body, with a simple structure and improved sewing efficiency.

[0013] (2) In the utility model, the bidirectional lead screw is rotated to drive the adjusting block to contract, so that the connecting rod rotates and pushes the pressing roller downward to move the pressing roller close to and press the casual pants, realizing the effect that the casual pants always contact the surface of the workbench during the sewing process, effectively avoiding the phenomenon that the casual pants are suspended during the movement, and improving the sewing effect. Description of the Drawings

[0014] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0015] Figure 2 It is a cross-sectional view of the internal structure of the installation groove of the utility model;

[0016] Figure 3 It is a schematic diagram of the structure of the pressing frame of the utility model;

[0017] Figure 4 It is an exploded view of the structure of the pressing frame of the utility model.

[0018] In the figure: 1. workbench; 2. mounting through hole; 3. conveyor belt; 4. mounting slot; 5. servo motor; 6. fixing frame; 7. fixing plate; 8. adjusting screw; 9. fixing bottom plate; 10. positioning rod; 11. friction pattern; 12. clamping frame; 13. bidirectional screw rod; 14. adjusting block; 15. connecting rod; 16. clamping roller; 17. limiting block; 18. limiting slot; 19. fixing seat; 20. polygonal connecting column; 21. movable turntable; 22. sewing machine body; 23. scroll spring. DETAILED DESCRIPTION

[0019] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the accompanying drawings in the embodiments of the present invention.

[0020] The utility model provides a technical solution: Figures 1-3 As shown, in the present embodiment, a sewing device for producing casual pants comprises a workbench 1, wherein two mounting through holes 2 are formed through the top of the workbench 1, and conveyor belts 3 are rotatably connected inside the two mounting through holes 2. A mounting groove 4 is formed at the top of the workbench 1 and located at the position of the driving shafts of the two conveyor belts 3, wherein a servo motor 5 is fixedly connected inside one of the mounting grooves 4, and the output end of the servo motor 5 is drivingly connected to one end of the driving shaft of one of the conveyor belts 3, and a vortex spring 23 is fixedly connected inside the other mounting groove 4, and the inner end of the vortex spring 23 is fixedly connected to the outer surface of the driving shaft of the other conveyor belt 3, wherein the servo motor 5 is provided to drive the conveyor belt 3 to move, and the servo motor 5 can rotate forward and reversely, and the vortex spring 23 is provided to generate resistance to the other conveyor belt 3 during its rotation, so that the casual pants are always in a taut state during the movement to avoid wrinkles.

[0021] like Figure 3 and Figure 4 As shown, a sewing machine body 22 is fixedly connected to the top of the workbench 1 and located in the middle position, and a pressing frame 12 is fixedly connected to the top of the workbench 1 and located on both sides of the sewing machine body 22. Two pressing frames 12 are rotatably connected inside and near the top positions with bidirectional screw rods 13. The outer surfaces of the two bidirectional screw rods 13 are meshed with two adjusting blocks 14. The top ends of the four adjusting blocks 14 are respectively slidably connected to the top surfaces inside the two pressing frames 12. The bottom ends of the four adjusting blocks 14 are rotatably connected with connecting rods 15. The other ends of the four connecting rods 15 are respectively rotatably connected to two pressing rollers 16. By setting the bidirectional screw rods 13, the adjusting blocks 14 can be driven to move and the connecting rods 15 can be rotated. By setting the connecting rods 15, the pressing rollers 16 can be pushed to move, thereby pressing the casual pants and improving the sewing quality.

[0022] like Figure 4As shown, on both inner side walls of the pressing frame 12, limiting grooves 18 are provided. On both sides of the pressing roller 16, limiting blocks 17 are fixedly connected. The outer surfaces of the two limiting blocks 17 are respectively slidably connected to the interiors of the two limiting grooves 18. By providing the limiting grooves 18 and the limiting blocks 17, the stability of the pressing roller 16 can be improved, thereby improving the pressing effect.

[0023] As Figure 3 and Figure 4 shown, one end of the bidirectional lead screw 13 penetrates through one side wall inside the pressing frame 12 and is fixedly connected to a polygonal connecting column 20. The outer surface of the polygonal connecting column 20 is slidably connected to a movable turntable 21. One side of the pressing frame 12 and at the position of the bidirectional lead screw 13, a fixed seat 19 is fixedly connected. One end of the movable turntable 21 is inserted into the interior of the fixed seat 19, which can fix the bidirectional lead screw 13 and improve the pressing effect.

[0024] As Figure 1 and Figure 2 shown, on the outer surfaces of both conveyor belts 3, fixed frames 6 are fixedly connected. At the top of the fixed frame 6, an adjusting screw 8 is threadedly connected. The bottom end of the adjusting screw 8 penetrates through the top end of the fixed frame 6 and is rotatably connected to a fixing plate 7. One side of the fixed frame 6 and at the lower edge position, a fixed bottom plate 9 is fixedly connected, which can fix the casual pants.

[0025] As Figure 1 and Figure 2 shown, two positioning rods 10 are slidably connected inside the fixed frame 6. The bottom ends of the two positioning rods 10 are fixedly connected to the top end of the fixing plate 7. Friction lines 11 are provided on the outer surfaces of both the fixing plate 7 and the fixed bottom plate 9, which can limit the fixing plate 7 and improve the stability and pressing effect.

[0026] The present utility model provides a sewing device for producing casual pants, and the specific working principle is as follows:

[0027] Workbench personnel place the two ends of the sorted casual pants on the two fixed bottom plates 9 respectively. Then, by rotating the adjusting bolt 8, the fixing plate 7 is driven to press down to fix the casual pants. Then, the two movable turntables 21 are rotated in sequence to drive the two bidirectional lead screws 13 to rotate. The bidirectional lead screws 13 drive the adjusting blocks 14 to contract, causing the connecting rods 15 to rotate and push the pressing rollers 16 to move downward, bringing the pressing rollers 16 close to the casual pants and pressing them. Then, the sewing machine body 22 and the servo motor 5 are started. The servo motor 5 drives one of the conveyor belts 3 to rotate, causing the casual clothes fixed on the fixed frame 6 to be pulled and move at a constant speed. During the movement of the casual pants, the other conveyor belt 3 follows the movement and generates a reaction force under the action of the scroll spring 23 to pull the casual pants in the reverse direction, keeping the casual pants in a taut state all the time. The sewing machine body 22 sews during the movement of the casual pants.

[0028] Although embodiments of the present utility model have been shown and described, those of ordinary skill in the art can understand that various changes, modifications, substitutions, and variations can be made to these embodiments without departing from the principle and spirit of the present utility model. The scope of the present utility model is defined by the appended claims and their equivalents.

Claims

1. A sewing device for producing casual pants, comprising a workbench (1), characterized in that: Two mounting through holes (2) are formed through the top of the workbench (1), and conveyor belts (3) are rotatably connected to the inside of the two mounting through holes (2). A mounting groove (4) is formed at the top of the workbench (1) and located at the positions of the driving shafts of the two conveyor belts (3). A servo motor (5) is fixedly connected to the inside of one of the mounting grooves (4), and the output end of the servo motor (5) is drivingly connected to one end of the driving shaft of one of the conveyor belts (3). A volute spring (23) is fixedly connected to the inside of the other mounting groove (4), and the inner end of the volute spring (23) is connected to the outer end of the driving shaft of the other conveyor belt (3). The surfaces are fixedly connected, the outer surfaces of the two conveyor belts (3) are fixedly connected to a fixing frame (6), the top end of the fixing frame (6) is threadedly connected to an adjusting screw (8), the bottom end of the adjusting screw (8) passes through the top end of the fixing frame (6) and is rotatably connected to a fixing plate (7), one side of the fixing frame (6) is fixedly connected to a fixing bottom plate (9) at the lower edge position, the fixing frame (6) is internally slidably connected to two positioning rods (10), the bottom ends of the two positioning rods (10) are fixedly connected to the top end of the fixing plate (7), and the outer surfaces of the fixing plate (7) and the fixing bottom plate (9) are both provided with friction patterns (11).

2. A sewing device for producing casual pants according to claim 1, characterized in that: A sewing machine body (22) is fixedly connected to the top and middle position of the workbench (1), and a pressing frame (12) is fixedly connected to the top and both sides of the sewing machine body (22). Two bidirectional screw rods (13) are rotatably connected inside and near the top of the two pressing frames (12). Two adjustment blocks (14) are meshed on the outer surfaces of the two bidirectional screw rods (13). The tops of the four adjustment blocks (14) are respectively slidably connected to the top surfaces of the inside of the two pressing frames (12). The bottoms of the four adjustment blocks (14) are rotatably connected to connecting rods (15). The other ends of the four connecting rods (15) are respectively rotatably connected to two pressing rollers (16).

3. A sewing device for producing casual pants according to claim 2, characterized in that: The inner side walls of the clamping frame (12) are provided with limiting grooves (18), and the two sides of the clamping roller (16) are fixedly connected to limiting blocks (17), and the outer surfaces of the two limiting blocks (17) are respectively slidably connected to the inside of the two limiting grooves (18).

4. A sewing device for producing casual pants according to claim 3, characterized in that: One end of the bidirectional screw rod (13) passes through a side wall of the inner side of the clamping frame (12) and is fixedly connected to a polygonal connecting column (20); the outer surface of the polygonal connecting column (20) is slidably connected to a movable turntable (21); a fixing seat (19) is fixedly connected to one side of the clamping frame (12) and located at the position of the bidirectional screw rod (13); the interior of the fixing seat (19) is plugged into one end of the movable turntable (21).

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