Sewing machine with edge pressing mechanism

Abstract

The sewing machine with the edge pressing mechanism comprises a sewing machine body and a machine frame installed on the top of the sewing machine body, a machine shell is movably installed at the bottom of the machine frame, a sewing needle is connected to the bottom of the machine shell, a movable plate is connected to the bottom of the machine shell in a sliding mode, a through groove is formed in the center of the movable plate, and the edge pressing mechanism is arranged in the through groove. The suture needle is located in the through groove, and the top of the movable plate is fixedly connected with first springs which are evenly distributed. According to the utility model, a plurality of groups of balls are arranged at the bottom of the casing for driving the sewing needle to move vertically to press the cloth, the sewing quality of the sewing machine on the cloth is improved, and the plurality of groups of balls are connected by the inclined mounting frame and can be automatically reset by matching with the second spring; in the vertical downward moving process, the two sides, located at the cloth sewing position, of the ball can move towards the side, then the cloth on the side of a sewing line can be leveled in the cloth pressing process, and the situation that the sewing quality is affected by wrinkles is avoided.

Description

Technical Field

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

[0002] The sewing machine, also known as the ultrasonic lace machine and ultrasonic embossing machine, is a highly efficient sewing and embossing equipment. It is mainly used for sewing, welding, melting, embossing, etc. of synthetic fiber fabrics. In the process of sweater production, a sewing machine is needed to sew it.

[0003] Existing sewing machines usually have a pressing mechanism, but during the fabric conveying process, the pressing mechanism is prone to jamming, which reduces the sewing quality.

[0004] For example, patent application number CN202320566912.X discloses a sewing machine with a pressing mechanism, including a sewing machine body, a casing is arranged at the bottom of the sewing machine body, springs are fixedly connected to the left and right sides of the bottom of the casing, and a pressure plate is fixedly connected to the bottom of the spring. When in use, the sewing machine body drives the casing to move downward, and the casing drives the pressure plate to move downward through the spring. The reaction force of the spring makes the pressure plate press the sweater fabric, and the guide wheel is used to guide the sweater fabric to improve its stability during transportation. The guide rod and the guide plate can improve the stability of the pressure plate when it moves up and down, and further improve the pressing effect of the device. By setting the above structure, it has the advantage of better pressing effect, solves the problem of poor pressing effect of the existing sewing machine, and is conducive to the use of the device.

[0005] This structure realizes the edge pressing of the cloth by the pressing plate through the reaction force of the spring, and the contact between the guide wheel and the cloth will not affect the transportation of the cloth. However, in this structure, the pressing plate moves down synchronously with the suture needle to fit the cloth first, which may cause wrinkles during the transportation of the cloth. The suture needle directly presses the two sides of the suture line for suturing, which may affect the quality of suturing. Therefore, professionals in this field provide a suturing machine with an edge pressing mechanism to solve the above-mentioned problems. Utility Model Content

[0006] In view of the problems existing in the prior art, the purpose of the utility model is to provide a sewing machine with a pressing mechanism, which realizes the pressing of the cloth by setting up multiple groups of balls, thereby improving the sewing quality of the cloth by the sewing machine. At the same time, during the pressing process of the cloth, the cloth on the side of the sewing line can also be flattened to avoid wrinkles affecting the sewing quality.

[0007] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0008] A sewing machine with a press edge mechanism comprises a sewing machine body and a frame mounted on the top thereof, a casing is movably mounted on the bottom of the frame, a sewing needle is connected to the bottom of the casing, a movable plate is slidably connected to the bottom of the casing, a through slot is provided at the center of the movable plate, the sewing needle is located inside the through slot, a spring 1 evenly distributed is fixedly connected to the top of the movable plate, the top of the spring 1 is mounted on the bottom of the casing, the top of the movable plate is rotatably connected to two rotating shafts, two springs 2 are arranged on the top of the movable plate, and the two springs 2 The two ends are respectively connected to two rotating shafts, and the two rotating shafts are fixedly connected with mounting brackets, the top of the movable plate is provided with two movable grooves, the bottom of the mounting bracket passes through the movable groove and extends to the bottom of the movable plate, the bottom of the mounting bracket is hinged with a synchronous plate, the bottom of the synchronous plate is equipped with equidistantly arranged balls, the top of the movable plate is provided with evenly distributed slide grooves, the internal sliding connection of the slide groove is connected to a limit plate, the top of the limit plate is connected to a limit shaft, the bottom end of the limit shaft passes through the limit plate and the slide groove and is fixedly connected to the top of the synchronous plate.

[0009] As a further description of the above technical solution: a guiding telescopic rod is arranged inside the spring 1, and the bottom end and the top end of the guiding telescopic rod are respectively installed on the top of the movable plate and the bottom of the casing.

[0010] As a further description of the above technical solution: the top end of the limiting shaft is connected with a cushion, the cushion is made of rubber material, and the cushion is located at the bottom of the casing.

[0011] As a further description of the above technical solution: two spring hooks are fixedly installed on the rotating shaft, and the ends of the springs are connected to the spring hooks.

[0012] As a further description of the above technical solution: the connection position between the limit shaft and the limit plate is slidably processed.

[0013] As a further description of the above technical solution: the inner wall surface of the movable groove is smooth, an arc groove is opened on the inner wall of the movable groove, and the mounting frame is slidably connected to the inner wall of the arc groove.

[0014] Compared with the prior art, the advantages of the present invention are:

[0015] In the utility model, a plurality of groups of balls are arranged at the bottom of the casing that drives the sewing needle to move vertically to achieve the pressing of the cloth, thereby improving the sewing quality of the sewing machine for the cloth, and the plurality of groups of balls are connected by an inclined mounting frame, and can be automatically reset in conjunction with spring 2. In the process of vertical downward movement, the balls are moved to the sides of the cloth sewing position, and the cloth on the sides of the sewing line can be flattened in the process of pressing the cloth, thereby preventing wrinkles from affecting the sewing quality. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a three-dimensional structural schematic diagram of the utility model;

[0017] Figure 2 This is a schematic diagram of the front cross-sectional structure of the movable plate of the utility model;

[0018] Figure 3 For the utility model Figure 2 The enlarged structural diagram at A in the middle;

[0019] Figure 4 It is a schematic diagram of the top view structure of the movable plate of the utility model.

[0020] Description of the numbers in the figure:

[0021] 1. Suturing machine body; 2. Frame; 3. Casing; 4. Suturing needle; 5. Movable plate; 6. Through slot; 7. Spring 1; 8. Rotating shaft; 9. Spring 2; 10. Mounting frame; 11. Movable slot; 12. Synchronous plate; 13. Ball bearing; 14. Slide slot; 15. Limit plate; 16. Limit shaft; 17. Guide telescopic rod; 18. Cushion; 19. Spring hook. DETAILED DESCRIPTION

[0022] 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.

[0023] See also Figures 1 to 4 In the utility model, a sewing machine with a pressing mechanism comprises a sewing machine body 1 and a frame 2 mounted on the top thereof, a housing 3 is movably mounted on the bottom of the frame 2, a sewing needle 4 is connected to the bottom of the housing 3, a movable plate 5 is slidably connected to the bottom of the housing 3, a through slot 6 is provided at the center of the movable plate 5, the sewing needle 4 is located inside the through slot 6, a spring 7 evenly distributed is fixedly connected to the top of the movable plate 5, the top of the spring 7 is mounted on the bottom of the housing 3, the top of the movable plate 5 is rotatably connected to two rotating shafts 8, two springs 9 are arranged on the top of the movable plate 5, and the two ends of the two springs 9 are respectively connected to It is connected to two rotating shafts 8, and the two rotating shafts 8 are fixedly connected with a mounting frame 10. The top of the movable plate 5 is provided with two movable grooves 11. The bottom of the mounting frame 10 passes through the movable grooves 11 and extends to the bottom of the movable plate 5. The bottom of the mounting frame 10 is hinged with a synchronous plate 12, and the bottom of the synchronous plate 12 is installed with equidistantly arranged balls 13. The top of the movable plate 5 is provided with evenly distributed slide grooves 14, and the internal sliding connection of the slide groove 14 is connected to a limit plate 15. The top of the limit plate 15 is connected to a limit shaft 16, and the bottom end of the limit shaft 16 passes through the limit plate 15 and the slide groove 14 and is fixedly connected to the top of the synchronous plate 12.

[0024] Two spring hooks 19 are fixedly mounted on the rotating shaft 8, and the ends of the springs 9 are connected to the spring hooks 19;

[0025] The connection position between the limiting shaft 16 and the limiting plate 15 is slidably processed.

[0026] The cloth is at the top of the sewing machine body 1 for transmission, and the position to be sewn is at the bottom of the sewing needle 4. When the sewing machine body 1 is in operation, the frame 2 drives the casing 3 to move vertically, and the movable plate 5 moves downward accordingly, thereby driving the two sets of synchronous plates 12 and the sewing needle 4 to move toward the cloth. Multiple sets of balls 13 first contact the top of the cloth. Since the balls 13 are installed at the bottom of the synchronous plate 12, the inclined mounting frame 10 is connected to the synchronous plate 12. When the balls 13 are subjected to pressure and the movable plate 5 continues to move downward, the mounting frame 10 rotates inside the movable groove 11, thereby pushing the synchronous plate 12 to move sideways. The balls 13 press the cloth downward without affecting the transmission of the cloth. At this time, the synchronously rotating shaft 8 pulls the spring 2 9 through the spring hook 19 and generates an opposite force. The cooperation between the positioning shaft 16 and the limiting plate 15 enables the synchronous plate 12 to move laterally stably, thereby realizing the pressing and flattening of the cloth, so that the cloth at the bottom of the sewing needle 4 is not easy to wrinkle. After the synchronous plate 12 moves to the peak value, the movable plate 5 remains stable, and the casing 3 continues to push the sewing needle 4 to move downward. The spring 1 7 contracts and produces an opposite force. The sewing needle 4 contacts the cloth for sewing, and the frame 2 drives the casing 3 to move upward. The spring 1 7 begins to reset and keeps the movable plate 5 in a pressed state. When the sewing needle 4 is pulled out of the cloth, the multiple groups of balls 13 still press the nearby cloth. When the movable plate 5 is lifted up, the spring 2 9 pulls the rotating shaft 8 to reset, and then the mounting frame 10 pulls the synchronous plate 12 to reset, and the casing 3 drives the sewing needle 4 to move back and forth vertically to realize the sewing of the cloth.

[0027] In the utility model, a plurality of groups of balls 13 are arranged at the bottom of the casing 3 that drives the suturing needle 4 to move vertically to achieve the pressing of the cloth, thereby improving the suturing quality of the cloth by the suturing machine, and the plurality of groups of balls 13 are connected by an inclined mounting frame 10, and can be automatically reset in cooperation with a spring 29. In the process of vertical downward movement, the balls 13 on both sides of the cloth suturing position will move to the side, and then in the process of pressing the cloth, the cloth on the side of the suturing line can also be flattened to avoid wrinkles affecting the suturing quality.

[0028] See also Figure 2 and 4 , wherein: a guide telescopic rod 17 is arranged inside the spring 1 7, and the bottom end and the top end of the guide telescopic rod 17 are respectively mounted on the top of the movable plate 5 and the bottom of the casing 3.

[0029] In the utility model, the guide telescopic rod 17 can limit the movable plate 5 and the spring 17, so that the movable plate 5 is always located at the bottom of the housing 3 to maintain stable movement in the vertical direction, and at the same time, it can also prevent the spring 17 from twisting when it is stressed.

[0030] See also Figure 2 , wherein: the top end of the limiting shaft 16 is connected with a soft pad 18 , the soft pad 18 is made of rubber material, and the soft pad 18 is located at the bottom of the housing 3 .

[0031] In the present invention, when the movable plate 5 is stable at the top of the fabric, the housing 3 continues to move down to the peak value and contacts the rubber cushion 18 at the top of the limiting shaft 16 , which plays a certain buffering role and maintains the stability of the housing 3 .

[0032] See also Figure 2 and 3 , wherein: the inner wall surface of the movable groove 11 is smooth, an arc groove is opened on the inner wall of the movable groove 11, and the mounting frame 10 is slidably connected to the inner wall of the arc groove.

[0033] In the utility model, the arc groove inside the movable plate 5 can improve the stability of the mounting frame 10, so that the two groups of mounting frames 10 can keep rotating synchronously.

[0034] The above is only a preferred specific implementation of the utility model; however, the protection scope of the utility model is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes according to the technical solution and improved ideas of the utility model within the technical scope disclosed by the utility model, which should be included in the protection scope of the utility model.

Claims

1. A sewing machine with a press mechanism, comprising a sewing machine body (1) and a frame (2) mounted on the top thereof, characterized in that: The bottom of the frame (2) is movably mounted with a housing (3), the bottom of the housing (3) is connected with a suture needle (4), the bottom of the housing (3) is slidably connected with a movable plate (5), a through slot (6) is provided at the center of the movable plate (5), the suture needle (4) is located inside the through slot (6), the top of the movable plate (5) is fixedly connected with evenly distributed springs (7), the top of the springs (7) is mounted on the bottom of the housing (3), the top of the movable plate (5) is rotatably connected with two rotating shafts (8), the top of the movable plate (5) is provided with two springs (9), the two ends of the two springs (9) are respectively connected to the two rotating shafts (8), and the two rotating shafts (8) are fixedly connected with a mounting frame (10); The top of the movable plate (5) is provided with two movable grooves (11), the bottom of the mounting frame (10) penetrates the movable grooves (11) and extends to the bottom of the movable plate (5), the bottom of the mounting frame (10) is hinged with a synchronous plate (12), the bottom of the synchronous plate (12) is installed with equidistantly arranged balls (13), the top of the movable plate (5) is provided with evenly distributed slide grooves (14), the inside of the slide groove (14) is slidably connected to a limit plate (15), the top of the limit plate (15) is connected to a limit shaft (16), the bottom end of the limit shaft (16) penetrates the limit plate (15) and the slide groove (14) and is fixedly connected to the top of the synchronous plate (12).

2. A sewing machine with a pressing mechanism according to claim 1, characterized in that: A guide telescopic rod (17) is arranged inside the spring 1 (7), and the bottom end and the top end of the guide telescopic rod (17) are respectively mounted on the top of the movable plate (5) and the bottom of the casing (3).

3. A sewing machine with a pressing mechanism according to claim 1, characterized in that: The top end of the limiting shaft (16) is connected to a soft pad (18), the soft pad (18) is made of a rubber material, and the soft pad (18) is located at the bottom of the housing (3).

4. A sewing machine with a pressing mechanism according to claim 1, characterized in that: Two spring hooks (19) are fixedly mounted on the rotating shaft (8), and the ends of the springs (9) are connected to the spring hooks (19).

5. A sewing machine with a pressing mechanism according to claim 1, characterized in that: The connection position between the limiting shaft (16) and the limiting plate (15) is subjected to sliding treatment.

6. A sewing machine with a pressing mechanism according to claim 1, characterized in that: The inner wall surface of the movable groove (11) is smooth, an arc-shaped groove is provided on the inner wall of the movable groove (11), and the mounting frame (10) is slidably connected to the inner wall of the arc-shaped groove.

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