Garment hem traceless sewing equipment

Abstract

The utility model relates to the technical field of costume manufacturing, in particular to costume hem traceless sewing equipment which not only avoids seam marks generated in the costume hem sewing process through ultrasonic sewing and avoids the situation that the costume sewing effect is affected by too high temperature in the ultrasonic sewing process, but also can automatically adjust the costume position and drive costumes to be conveyed forwards. The sewing accuracy is improved; comprising a cooling mechanism; the sewing machine further comprises a sewing mechanism, a driving mechanism, an adjusting mechanism, two sets of fixing mechanisms and two sets of conveying mechanisms, the sewing mechanism is installed on the cooling mechanism and sews clothes, the driving mechanism is installed on the cooling mechanism and drives the adjusting mechanism, and the adjusting mechanism is installed on the driving mechanism and adjusts the position of the clothes; the two sets of fixing mechanisms are both installed on the adjusting mechanism to fix clothes, and the two sets of conveying mechanisms are installed on the two sets of fixing mechanisms respectively and drive the clothes to move.

Description

Technical Field

[0001] The utility model relates to the technical field of clothing manufacturing, in particular to a device for seamlessly sewing the hem of clothing. Background Art

[0002] The hem of clothing usually refers to the edge of the lower part of the clothing, that is, the bottom edge of tops, dresses, pants and other clothing. In tops and skirts, the hem is usually called the hem, and in pants, it is usually called the hem.

[0003] Existing equipment for seamlessly sewing the hem of clothing, such as a sewing and trimming device for clothing manufacturing disclosed in the utility model patent with application number 202323636457.5, has a main structure including a workbench, a support plate fixedly connected to the upper end of the workbench, a sewing machine provided at the upper end of the support plate, a needle provided in the sewing machine, an adjustable guide mechanism for guiding and fitting a plurality of fabrics at the upper end of the support plate, the adjustable guide mechanism including a plurality of connecting plates, the plurality of connecting plates being placed parallel to the upper end of the support plate, and support bodies being provided at the upper ends of the plurality of connecting plates; when in use, the fabrics are aligned and fitted together and then placed under the guide plate, and when people move the fabrics at will, it can ensure that multiple layers of fabrics remain fitted, thereby improving the quality of the device's sewing, and when people are sewing fabrics in a straight line, the electric telescopic rod is extended to allow the rollers to support the multiple layers of fabrics.

[0004] However, most existing sewing devices use needles and threads, which leave seam marks at the bottom hem and affect the appearance. In addition, most existing sewing devices still require manual adjustment of the sewing position, which easily leads to sewing deviation. Utility Model Content

[0005] In order to solve the above technical problems, the utility model provides a clothing hem seamless sewing device that not only avoids the generation of seam marks during the sewing process of the clothing hem through ultrasonic sewing, but also avoids the high temperature during ultrasonic sewing that affects the sewing effect of the clothing, but also can automatically adjust the position of the clothing, drive the clothing forward, and improve the accuracy of sewing.

[0006] The utility model discloses a device for seamlessly sewing the hem of clothing, comprising a cooling mechanism; a sewing mechanism, a driving mechanism, an adjusting mechanism, two sets of fixing mechanisms and two sets of conveying mechanisms. The sewing mechanism is installed on the cooling mechanism and sews the clothing, the driving mechanism is installed on the cooling mechanism and drives the adjusting mechanism, the adjusting mechanism is installed on the driving mechanism and adjusts the position of the clothing, the two sets of fixing mechanisms are both installed on the adjusting mechanism to fix the clothing, and the two sets of conveying mechanisms are respectively installed on the two sets of fixing mechanisms and drive the clothing to move; a staff member fixes the clothing on the two sets of fixing mechanisms, starts the sewing mechanism to sew the hem of the clothing, the driving mechanism drives the adjusting mechanism to move and adjust the position of the clothing relative to the sewing mechanism, starts the two sets of conveying mechanisms, and the two sets of conveying mechanisms drive the clothing to be conveyed forward to facilitate sewing, and the temperature of the clothing is reduced by the cooling mechanism to prevent the clothing temperature from being too high and affecting the sewing effect.

[0007] Preferably, the cooling mechanism includes a workbench, a controller, a dust cover and a heat dissipation fan. The bottom end of the workbench is connected to the ground, two sets of grooves are opened on the workbench, the bottom end of the controller is connected to the top end of the workbench, the dust cover is installed on the workbench, and the heat dissipation fan is installed on the dust cover; the staff controls the sewing process through the controller to improve the sewing efficiency and avoid manual position adjustment affecting the sewing effect. When the sensor detects that the temperature at the sewing position of the clothing is too high, the heat dissipation fan is started to reduce the temperature of the clothing. The dust cover is set to prevent dust from affecting the sewing mechanism when sewing the clothing.

[0008] Preferably, the sewing mechanism includes a frame, a main machine, an ultrasonic generator and a sewing wheel. The bottom end of the frame is connected to the top end of the workbench, the main machine is installed on the frame, the ultrasonic generator is installed on the main machine, and the sewing wheel is rotatably installed on the ultrasonic generator; the controller controls the main machine and the ultrasonic generator through electrical signals, and the ultrasonic generator drives the sewing wheel to rotate to sew the hem of the clothing together, and uses ultrasonic waves to generate heat by friction between the two layers of fabric and bond them together, thereby avoiding the formation of marks during the sewing process of the hem of the clothing.

[0009] Preferably, the driving mechanism includes a servo motor, a first reducer, a transmission shaft and two sets of first bevel gears. The servo motor is installed on the workbench, the first reducer is installed on the workbench, the transmission shaft is rotatably installed on the workbench and longitudinally connected to the first reducer, and the two sets of first bevel gears are both installed on the transmission shaft; the servo motor is started, and the servo motor drives the transmission shaft to rotate through the first reducer, and the transmission shaft drives the two sets of first bevel gears to rotate, and the two sets of first bevel gears drive the adjustment mechanism to move back and forth, so as to facilitate the adjustment of the relative position between the clothing and the sewing wheel.

[0010] The two gears are connected with each other through the two guide wheels, and the two guide wheels are connected with each other through the two guide wheels, and the two guide wheels are connected with each other through the two guide wheels.

[0011] Preferably, the fixing mechanism includes a fixing frame, a pull bolt, a spring, a support frame and three groups of fixed rollers. The bottom end of the fixing frame is connected to the top end of the connecting frame, the pull bolt is slidably installed on the fixing frame, the spring is sleeved on the pull bolt, the top end of the supporting frame is connected to the bottom end of the pull bolt, the three groups of fixed rollers are rotatably installed on the support frame, and the two groups of fixing mechanisms are respectively installed at the left and right ends of the connecting frame; the staff pulls the pull bolt upward to facilitate placing the hem of the clothing between the connecting frame and the fixed roller, and then releases the pull bolt, and the spring pushes the support frame and the three groups of fixed rollers downward, so that the three groups of fixed rollers clamp the hem of the clothing, making it convenient for the sewing wheel to sew it.

[0012] Preferably, the conveying mechanism includes a stepper motor, a second reducer, two sets of second pulleys, a second belt and a tensioner. The bottom end of the stepper motor is connected to the top of the fixed frame, the bottom end of the second reducer is connected to the top of the fixed frame, the two sets of second pulleys are respectively installed on the fixed roller and the output shaft of the second reducer, the second belt tensioning is installed between the two sets of second pulleys, the tensioner is installed on the fixed frame, and the two sets of conveying mechanisms are respectively installed on the two sets of fixed frames; start the stepper motor, the stepper motor drives the second pulley connected to it to rotate through the second reducer, the second pulley drives the other set of second pulleys and the fixed roller to rotate through the second belt, and the fixed rollers on the two sets of fixing mechanisms drive the clothing to move forward, so that the sewing wheel can continue to sew the bottom hem of the clothing. By setting the tensioner, the transmission efficiency of the second belt is guaranteed, which is convenient for adapting to clothing of different thicknesses.

[0013] Compared with the prior art, the beneficial effects of the present invention are as follows: the staff fixes the clothing on two sets of fixing mechanisms, starts the sewing mechanism to sew the bottom hem of the clothing, the driving mechanism drives the adjusting mechanism to move and adjust the position of the clothing relative to the sewing mechanism, starts the two sets of conveying mechanisms, and the two sets of conveying mechanisms drive the clothing to be conveyed forward to facilitate the completion of sewing, and the temperature of the clothing is lowered by the cooling mechanism to prevent the clothing temperature from being too high and affecting the sewing effect. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 This is an axonometric structural diagram of the utility model;

[0015] Figure 2 This is an axonometric structural diagram of the cooling mechanism and suturing mechanism of the utility model;

[0016] Figure 3 This is a bottom view structural diagram of the driving mechanism and the adjusting mechanism of the utility model;

[0017] Figure 4 This is a partially enlarged isometric structural diagram of the adjustment mechanism of the utility model;

[0018] Figure 5 It is a partially enlarged sectional axonometric structural diagram of the fixing mechanism and the conveying mechanism of the utility model.

[0019] Markings in the accompanying drawings: 01, cooling mechanism; 11, workbench; 12, controller; 13, dust cover; 14, cooling fan; 02, sewing mechanism; 21, frame; 22, main machine; 23, ultrasonic generator; 24, sewing wheel; 03, driving mechanism; 31, servo motor; 32, first reducer; 33, transmission shaft; 34, first bevel gear; 04, adjusting mechanism; 41, screw; 42, second bevel gear; 43, first pulley; 44, first belt; 45, slider; 46, connecting frame; 05, fixing mechanism; 51, fixing frame; 52, pull bolt; 53, spring; 54, supporting frame; 55, fixed roller; 06, conveying mechanism; 61, stepping motor; 62, second reducer; 63, second pulley; 64, second belt; 65, tensioner. DETAILED DESCRIPTION

[0020] To facilitate understanding of the present invention, a more comprehensive description of the present invention will be provided below with reference to the accompanying drawings. The present invention can be implemented in many different forms and is not limited to the embodiments described herein. Rather, these embodiments are provided to provide a more thorough and comprehensive understanding of the present invention.

[0021] Example 1

[0022] The utility model discloses a device for seamlessly sewing the hem of a garment, comprising a cooling mechanism 01; a sewing mechanism 02, a driving mechanism 03, an adjusting mechanism 04, two sets of fixing mechanisms 05 and two sets of conveying mechanisms 06. The sewing mechanism 02 is mounted on the cooling mechanism 01 and sews the garment; the driving mechanism 03 is mounted on the cooling mechanism 01 and drives the adjusting mechanism 04; the adjusting mechanism 04 is mounted on the driving mechanism 03 and adjusts the position of the garment; the two sets of fixing mechanisms 05 are both mounted on the adjusting mechanism 04 to fix the garment; the two sets of conveying mechanisms 06 are respectively mounted on the two sets of fixing mechanisms 05 and drive the garment to move; the cooling mechanism 01 comprises a workbench 11, a controller 12, and a dust cover. 13 and a cooling fan 14, the bottom end of the workbench 11 is connected to the ground, the workbench 11 is provided with two sets of grooves, the bottom end of the controller 12 is connected to the top end of the workbench 11, the dust cover 13 is mounted on the workbench 11, and the cooling fan 14 is mounted on the dust cover 13; the sewing mechanism 02 includes a frame 21, a host 22, an ultrasonic generator 23 and a sewing wheel 24, the bottom end of the frame 21 is connected to the top end of the workbench 11, the host 22 is mounted on the frame 21, the ultrasonic generator 23 is mounted on the host 22, and the sewing wheel 24 is rotatably mounted on the ultrasonic generator 23; the driving mechanism 03 includes a servo motor 31, a first reducer 32, a transmission shaft 33 and two sets of first bevel gears 34, the servo motor 31 is mounted on the workbench 11, the first reducer 32 is mounted on the workbench 11, the transmission shaft 33 is rotatably mounted on the workbench 11 and longitudinally connected to the first reducer 32, and the two sets of first bevel gears 34 are mounted on the transmission shaft 33; the adjustment mechanism 04 includes two sets of screws 41, two sets of second bevel gears 42, two sets of first pulleys 43, a first belt 44, two sets of sliders 45 and a connecting frame 46, the two sets of screws 41 are respectively rotatably mounted in the two sets of grooves of the workbench 11, the two sets of second bevel gears 42 are respectively mounted on the two sets of screws 41 and are respectively meshed with the two sets of first bevel gears 34 for transmission, the two sets of first pulleys 43 are respectively mounted on the two sets On the lead screw 41, the first belt 44 is tensioned and installed between the two groups of first pulleys 43, and the two groups of sliders 45 are respectively slidably installed in the two groups of grooves of the workbench 11, and the bottom end of the connecting frame 46 is connected to the top end of the two groups of sliders 45; the fixing mechanism 05 includes a fixing frame 51, a pull bolt 52, a spring 53, a support frame 54 and three groups of fixed rollers 55, the bottom end of the fixing frame 51 is connected to the top end of the connecting frame 46, the pull bolt 52 is slidably installed on the fixing frame 51, the spring 53 is sleeved on the pull bolt 52, the top end of the support frame 54 is connected to the bottom end of the pull bolt 52, the three groups of fixed rollers 55 are all rotatably installed on the support frame 54, and the two groups of fixing mechanisms 05 are respectively installed on the left and right ends of the connecting frame 46;When it is working, first, the staff pulls the pull bolt 52 upwards to facilitate placing the bottom hem of the clothing between the connecting frame 46 and the fixed roller 55, then releases the pull bolt 52, and the spring 53 pushes the support frame 54 and the three sets of fixed rollers 55 downwards, so that the three sets of fixed rollers 55 clamp the bottom hem of the clothing, making it convenient for the sewing wheel 24 to sew it, and start the servo motor 31. The servo motor 31 drives the transmission shaft 33 to rotate through the first reducer 32, and the transmission shaft 33 drives the two sets of first bevel gears 34 to rotate. The two sets of first bevel gears 34 and the two sets of second bevel gears 42 engage for transmission, and the two sets of second bevel gears 42 drive the two sets of lead screws 41 to rotate, and the two sets of lead screws 41 drive the two sets of sliders 45 to move back and forth, and the two sets of sliders 45 drive The connecting frame 46 and the hem of the garment move back and forth, facilitating the stitching of the garment hem by the stitching wheel 24. The two sets of first pulleys 43 and first belts 44 are provided to improve the synchronization of the rotation of the two sets of lead screws 41, preventing the two sets of sliders 45 from getting stuck in the grooves. The controller 12 then controls the main unit 22 and ultrasonic generator 23 via electrical signals. The ultrasonic generator 23 drives the stitching wheel 24 to rotate and stitch the garment hem together. Ultrasonic waves generate frictional heat between the two layers of fabric, bonding them together and preventing marks from forming during the stitching process. When a sensor detects that the temperature at the garment stitching location is too high, the cooling fan 14 is activated to cool the garment. A dust cover 13 is provided to prevent dust from affecting the stitching of the garment by the stitching mechanism 02.

[0023] Example 2

[0024] like Figures 1 to 5As shown, a clothing bottom hem seamless sewing device of the present invention is based on Example 1; the conveying mechanism 06 includes a stepping motor 61, a second reducer 62, two sets of second pulleys 63, a second belt 64 and a tensioner 65, the bottom end of the stepping motor 61 is connected to the top of the fixed frame 51, the bottom end of the second reducer 62 is connected to the top of the fixed frame 51, the two sets of second pulleys 63 are respectively installed on the fixed roller 55 and the output shaft of the second reducer 62, the second belt 64 is tensioned and installed between the two sets of second pulleys 63, the tensioner 65 is installed on the fixed frame 51, and the two sets of conveying mechanisms 06 are respectively installed on the two sets of fixed When it is working, first, the staff pulls the pull bolt 52 upwards to facilitate placing the hem of the clothing between the connecting frame 46 and the fixed roller 55, then releases the pull bolt 52, and the spring 53 pushes the support frame 54 and the three sets of fixed rollers 55 downwards, so that the three sets of fixed rollers 55 clamp the hem of the clothing, making it convenient for the sewing wheel 24 to sew it, and start the servo motor 31. The servo motor 31 drives the transmission shaft 33 to rotate through the first reducer 32. The transmission shaft 33 drives the two sets of first bevel gears 34 to rotate. The two sets of first bevel gears 34 and the two sets of second bevel gears 42 are engaged for transmission, and the two sets of second bevel gears 42 drive the two sets of lead screws 41 to rotate. The two sets of lead screws 41 drive the two sets of sliders 45 to move forward and backward, and the two sets of sliders 45 drive the connecting frame 46 and the bottom hem of the clothing to move forward and backward, so that the sewing wheel 24 can sew the bottom hem of the clothing. The synchronization of the rotation of the two sets of lead screws 41 is improved by setting two sets of first pulleys 43 and first belts 44, so as to avoid the two sets of sliders 45 being stuck in the groove. Then the controller 12 controls the host 22 and the ultrasonic generator 23 through electrical signals. The ultrasonic generator 23 drives the sewing wheel 24 to rotate and sew the bottom hem of the clothing together. The ultrasonic wave is used to generate heat by friction between the two layers of fabric and bond them together, thereby avoiding the generation of traces during the sewing process of the bottom hem of the clothing. When the sensor detects When the temperature at the sewing position of the clothing is too high, the cooling fan 14 is started to lower the temperature of the clothing. A dust cover 13 is set to prevent dust from affecting the sewing mechanism 02 in sewing the clothing. The stepper motor 61 is started, and the stepper motor 61 drives the second pulley 63 connected to it to rotate through the second reducer 62. The second pulley 63 drives another set of second pulleys 63 and the fixed roller 55 to rotate through the second belt 64. The fixed rollers 55 on the two sets of fixing mechanisms 05 drive the clothing to move forward, making it convenient for the sewing wheel 24 to continue to sew the bottom hem of the clothing. The transmission efficiency of the second belt 64 is guaranteed by setting the tensioner 65, which is convenient for adapting to clothing of different thicknesses.

[0025] The servo motor 31, the first reducer 32, the stepper motor 61 and the second reducer 62 of the utility model are purchased on the market. Technicians in this industry only need to install and operate them according to the accompanying instruction manuals without the need for creative work by technicians in this field.

[0026] The above is only a preferred embodiment of the present invention. It should be pointed out that for ordinary technicians in this technical field, several improvements and modifications can be made without departing from the technical principles of the present invention. These improvements and modifications should also be regarded as the scope of protection of the present invention.

Claims

1. A seamless sewing device for hem of clothing, comprising a cooling mechanism (01); characterized in that: The invention also includes a sewing mechanism (02), a driving mechanism (03), an adjusting mechanism (04), two sets of fixing mechanisms (05) and two sets of conveying mechanisms (06). The sewing mechanism (02) is installed on the cooling mechanism (01) and sews the clothes. The driving mechanism (03) is installed on the cooling mechanism (01) and drives the adjusting mechanism (04). The adjusting mechanism (04) is installed on the driving mechanism (03) and adjusts the position of the clothes. The two sets of fixing mechanisms (05) are both installed on the adjusting mechanism (04) to fix the clothes. The two sets of conveying mechanisms (06) are respectively installed on the two sets of fixing mechanisms (05) and drive the clothes to move.

2. The clothing hem seamless sewing device according to claim 1, characterized in that: The cooling mechanism (01) comprises a workbench (11), a controller (12), a dust cover (13) and a heat dissipation fan (14). The bottom end of the workbench (11) is connected to the ground. Two groups of grooves are provided on the workbench (11). The bottom end of the controller (12) is connected to the top end of the workbench (11). The dust cover (13) is installed on the workbench (11). The heat dissipation fan (14) is installed on the dust cover (13).

3. The clothing hem seamless sewing device according to claim 2, characterized in that: The suturing mechanism (02) comprises a frame (21), a main machine (22), an ultrasonic generator (23) and a suturing wheel (24). The bottom end of the frame (21) is connected to the top end of the workbench (11). The main machine (22) is mounted on the frame (21). The ultrasonic generator (23) is mounted on the main machine (22). The suturing wheel (24) is rotatably mounted on the ultrasonic generator (23).

4. The clothing hem seamless sewing device according to claim 2, characterized in that: The driving mechanism (03) includes a servo motor (31), a first reducer (32), a transmission shaft (33) and two sets of first bevel gears (34). The servo motor (31) is mounted on a workbench (11), the first reducer (32) is mounted on the workbench (11), the transmission shaft (33) is rotatably mounted on the workbench (11) and longitudinally connected to the first reducer (32), and the two sets of first bevel gears (34) are both mounted on the transmission shaft (33).

5. The clothing hem seamless sewing device according to claim 4, characterized in that: The adjusting mechanism (04) comprises two groups of lead screws (41), two groups of second bevel gears (42), two groups of first pulleys (43), a first belt (44), two groups of sliders (45) and a connecting frame (46). The two groups of lead screws (41) are respectively rotatably mounted in two groups of grooves of the workbench (11). The two groups of second bevel gears (42) are respectively mounted on the two groups of lead screws (41) and are respectively meshed with the two groups of first bevel gears (34) for transmission. The two groups of first pulleys (43) are respectively mounted on the two groups of lead screws (41). The first belt (44) is tensioned and mounted between the two groups of first pulleys (43). The two groups of sliders (45) are respectively slidably mounted in the two groups of grooves of the workbench (11). The bottom end of the connecting frame (46) is connected to the top end of the two groups of sliders (45).

6. The garment hem seamless sewing device according to claim 5, characterized in that: The fixing mechanism (05) comprises a fixing frame (51), a pull bolt (52), a spring (53), a support frame (54) and three groups of fixing rollers (55). The bottom end of the fixing frame (51) is connected to the top end of the connecting frame (46). The pull bolt (52) is slidably mounted on the fixing frame (51). The spring (53) is sleeved on the pull bolt (52). The top end of the support frame (54) is connected to the bottom end of the pull bolt (52). The three groups of fixing rollers (55) are all rotatably mounted on the support frame (54). The two groups of fixing mechanisms (05) are respectively mounted on the left and right ends of the connecting frame (46).

7. The garment hem seamless sewing device according to claim 6, characterized in that: The conveying mechanism (06) includes a stepping motor (61), a second speed reducer (62), two sets of second pulleys (63), a second belt (64) and a tensioner (65). The bottom end of the stepping motor (61) is connected to the top end of the fixed frame (51), the bottom end of the second speed reducer (62) is connected to the top end of the fixed frame (51), the two sets of second pulleys (63) are respectively installed on the fixed roller (55) and the output shaft of the second speed reducer (62), the second belt (64) is tensioned and installed between the two sets of second pulleys (63), the tensioner (65) is installed on the fixed frame (51), and the two sets of conveying mechanisms (06) are respectively installed on the two sets of fixed frames (51).

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