Hammock cloth automatic sewing equipment

Abstract

The present invention relates to an automatic sewing device for hammock fabric, which is suitable for automatic hemming and locking of hammock fabric, automatic cutting of fabric, and delivery of finished fabric products. It includes a fabric unwinding and conveying device, an automatic hemming and locking device for fabric, an automatic cutting device for fabric, and an automatic conveying device for finished fabric products; the fabric unwinding and conveying device is installed at the rear of the automatic hemming and locking device for fabric, unwinds and conveys fabric to the automatic hemming and locking device for fabric, and the automatic hemming and locking device for fabric performs hemming and locking sewing on both sides of the conveyed fabric; the automatic cutting device for fabric is installed at the front of the automatic hemming and locking device for fabric, and cuts the hemmed and locked fabric according to the set length; the automatic conveying device for finished fabric products is installed at the front of the automatic cutting device for fabric, and the pneumatic clamp for fabric conveys the hemmed and locked fabric to the workbench through the fabric transmission synchronous belt, and the automatic cutting device for fabric cuts the fabric into finished fabric products of set length and automatically stacks them on the workbench.

Description

Technical Field

[0001] The invention relates to an automatic sewing device for hammock cloth, which is suitable for automatic curling and locking of hammock cloth edges, automatic cutting of cloth surfaces and delivery of finished cloth surfaces. Background Art

[0002] At present, people have developed various hammocks to provide shelter for people for camping or other recreational activities, so that they are free from insects, ground-dwelling animals and bad weather. When hanging above the ground, the hammock provides a more comfortable, dry, warm and clean sleeping surface than a tent.

[0003] Hammocks can be divided into cloth hammocks and rope net hammocks according to the materials used. Cloth hammocks are usually made of thin canvas or nylon cloth, while rope net hammocks are usually woven with cotton rope or nylon rope. Cloth hammocks are usually closed at both ends. Hammocks can be divided into hammocks with poles and hammocks without poles in terms of structure. The surface of a hammock with poles is flat, and people can move freely and comfortably on it. However, because of the poles, the size and weight are relatively large, making it inconvenient to carry.

[0004] At present, the sewing production of hammock fabric is carried out manually, first the fabric is cut into the required length by hand, then the fabric is manually rolled, the sewing machine is used to lock the seams, the ends are manually sewn to close the cylindrical structure, and then the hanging rope is inserted into the closing to complete the production of the hammock. However, this production method has low production efficiency and high labor costs, and cannot meet the needs of industrial mass production. Summary of the invention

[0005] The purpose of the present invention is to provide an automatic sewing device for hammock cloth in view of the above-mentioned deficiencies. The device is provided with a cloth unwinding and transferring device, an automatic cloth hemming and locking device, an automatic cloth cutting device and an automatic cloth finished product conveying device. The device can unwind and transfer the cloth, automatically hem and lock the edges of the hammock cloth, automatically convey the cloth, automatically cut the cloth into finished products, and automatically convey and stack them on a workbench. The device has high production efficiency, low labor cost, good quality of the finished cloth products, and can meet the needs of industrialized mass production.

[0006] The automatic sewing equipment for hammock fabric is realized by adopting the following technical solutions:

[0007] The automatic sewing equipment for hammock fabric comprises a fabric unwinding and conveying device, an automatic fabric curling and locking device, an automatic fabric cutting device and an automatic fabric finished product conveying device; the fabric unwinding and conveying device is installed at the rear of the automatic fabric curling and locking device, unwinds and conveys the fabric to the automatic fabric curling and locking device, and the automatic fabric curling and locking device curls and locks the two sides of the conveyed fabric; the automatic fabric cutting device is installed at the front of the automatic fabric curling and locking device, and cuts the curled and locked fabric according to the set length; the automatic fabric finished product conveying device is installed at the front of the automatic fabric cutting device, and the fabric pneumatic clamp conveys the curled and locked fabric to the workbench through the fabric transmission synchronous belt, and the automatic fabric cutting device cuts the fabric into finished fabrics of set length, and automatically stacks them on the workbench for the next process of sewing the hanging rope.

[0008] The cloth unwinding and conveying device comprises a cloth unwinding roller, a cloth unwinding transmission motor, a cloth unwinding transmission roller 1, a cloth unwinding transmission roller 2, a cloth unwinding transmission synchronous belt, a cloth unwinding transmission synchronous pulley 1, a cloth unwinding transmission synchronous pulley 2, a cloth pressing roller, a cloth pressing cylinder, a tensioning adjustment rod, a cloth guide roller 1, a transition roller and a cloth unwinding frame.

[0009] The cloth unwinding roller is installed at the lower part of one side of the cloth unwinding frame, the hammock cloth disc is installed on the cloth unwinding roller, the cloth unwinding drive roller 1 and the cloth unwinding drive roller 2 are respectively installed on the upper part of the cloth unwinding frame, the cloth unwinding transmission motor is installed in the middle part of the cloth unwinding frame, the end of the cloth unwinding transmission roller 1 is equipped with a cloth unwinding transmission synchronous belt pulley 1, the end of the cloth unwinding transmission roller 2 is equipped with a cloth unwinding transmission synchronous belt pulley 2, and the cloth unwinding transmission motor transmits the cloth through the cloth unwinding transmission synchronous belt pulley 1, the cloth unwinding transmission synchronous belt pulley 2, and drives the cloth unwinding transmission roller 1 and the cloth unwinding transmission roller 2.

[0010] The cloth pressing roller is installed on the upper part of the cloth unwinding transmission roller 1 and the cloth unwinding transmission roller 2. Cloth pressing cylinders are installed at both ends of the cloth pressing roller. The cloth pressing roller and the conveyed cloth are pressed against the upper part of the cloth unwinding transmission roller 1 and the cloth unwinding transmission roller 2 through the pressing cylinders for conveying the cloth.

[0011] The transition roller and the cloth guide roller are respectively installed on the upper part of the cloth unwinding frame, and are used to guide the cloth being conveyed to the automatic hemming and sewing device of the cloth surface to perform hemming and sewing of the cloth surface edge.

[0012] The tensioning adjustment rod is installed at the lower part of the fabric unwinding frame. The lifting position is adjusted by adjusting the screw rod to adjust the tension of the unwinding fabric and control the tightness of the unwinding fabric, which is beneficial to the curling and locking of the fabric in the next process.

[0013] The automatic cloth hemming and locking device comprises a cloth locking frame, a cloth hemming device, an industrial sewing machine, a cloth feeding roller, a second cloth guide roller, a cloth transmission roller, a cloth transmission wheel, a cloth transmission belt and a cloth transmission motor.

[0014] The industrial sewing machine is installed on the upper part of the cloth lockstitch frame, the cloth feed side of the industrial sewing machine is equipped with a cloth curler, the cloth outlet side of the industrial sewing machine is equipped with a cloth feed roller, the cloth feed roller is driven by the industrial sewing machine transmission motor, the second cloth guide roller is installed on the cloth lockstitch frame on the front side of the industrial sewing machine, the cloth drive roller and the cloth drive motor are installed on the top of the cloth lockstitch frame, the cloth drive motor drives the cloth drive roller through the cloth drive wheel and the cloth drive belt, and the cloth drive roller drives the lock-sewn hammock cloth.

[0015] The fabric hemming device includes an upper baffle, a bottom plate, a hemming plate and a mounting bracket. The hemming plate is in an inverted L shape, the upper end of the hemming plate is connected to the upper baffle, the lower end of the hemming plate is connected to the bottom plate, and the bottom of the bottom plate is connected to the mounting bracket. A fabric channel is provided between the upper baffle and the bottom plate, a fabric hemming channel is provided between the hemming plate and the upper baffle, the fabric channels are connected to the fabric hemming channels, and the height of the hemming channels is less than 2 times the thickness of the fabric. The fabric hemming device is used for hemming the fabric on both sides, and the hemming is performed by an industrial sewing machine to improve the fabric strength of the hammock, and the edges of the hammock fabric will not fall off, which increases the service life of the hammock.

[0016] The cloth unwinding frame is connected to the cloth sewing frame. The cloth sewing frame is equipped with a motor control box, which is equipped with electrical control components for controlling the cloth unwinding transmission motor, industrial sewing machine, cloth transmission motor and the like.

[0017] A pay-off drum is mounted on the cloth cover lockstitch machine frame, and the pay-off drum provides sewing thread to the industrial sewing machine.

[0018] The automatic cloth cutting device comprises a cloth cutting frame, a third cloth guide roller, a fourth cloth guide roller, a cutting workbench, a cloth cutting pressing plate, a pressing cylinder, a cutting knife transmission guide rail, a slider, a cutting knife transmission belt, a slider transmission motor, a cutting knife and a cutting knife transmission motor.

[0019] The cutting workbench is arranged on the upper part of the cloth cutting frame, and the cloth guide roller three and the cloth guide roller four are respectively arranged on the upper part of the cloth cutting frame close to the side of the cloth locking frame, and are used to guide the cloth with the locked edges to the cutting workbench, and the cutting workbench is equipped with a cloth cutting pressing plate, and the two ends of the cloth cutting pressing plate are equipped with pressing cylinders, which are used to press the cloth on the cutting workbench to facilitate cutting by the cutting knife.

[0020] A cutting knife transmission guide rail is installed on the upper front side of the cloth cutting frame, and a slider is installed on the cutting knife transmission guide rail. A slider transmission motor is installed on one side of the cloth cutting conveyor frame. The slider is connected to the cutting knife conveyor belt, the cutting knife transmission motor is installed on the slider, and the cutting knife is installed on the output shaft of the cutting knife transmission motor. The slider transmission motor drives the slider through the cutting knife transmission belt, and the slider slides along the cutting knife transmission guide rail. The cutting knife transmission motor drives the cutting knife to transmit at high speed, cuts the cloth into sections according to the set length, and then transmits it to the next process through the automatic conveyor of the finished cloth.

[0021] The cloth cutting machine frame is equipped with an electrical control box, which is equipped with a PLC programmable controller, a motor controller, a pneumatic control switch, etc. A display screen and a control switch are installed on the outside of the electrical control box.

[0022] The finished cloth automatic conveying device comprises a cloth conveying frame, a cloth workbench, a cloth pneumatic clamp, a cloth pneumatic clamp mounting plate, a sliding plate, a cloth transmission guide rail, a cloth transmission slider, a finished cloth transmission motor, a cloth transmission synchronous belt, a cloth transmission synchronous pulley 1, a cloth transmission synchronous pulley 2 and a synchronous belt transmission shaft and a transmission belt.

[0023] The fabric conveying frame is connected to the fabric cutting frame. The fabric workbench is arranged on the fabric conveying frame, two fabric transmission guide rails are respectively installed on the fabric conveying frames on both sides of the fabric workbench, two ends of the sliding plate are connected to the fabric transmission guide rails through fabric transmission sliders, a plurality of fabric pneumatic clamps are installed on the pneumatic clamp mounting plate, the pneumatic clamp mounting plate is installed on the upper part of the sliding plate, a synchronous belt transmission shaft is installed at the rear of the fabric conveying frame, two ends of the synchronous belt transmission shaft are equipped with fabric transmission synchronous belt pulleys 1, two sides of the front end of the fabric conveying frame are respectively equipped with fabric transmission synchronous belt pulleys 2, two fabric transmission synchronous belts are respectively mounted on two fabric transmission synchronous belt pulleys 1 and two fabric transmission synchronous belt pulleys 2, and the fabric transmission sliders at both ends of the sliding plate are respectively connected to the two fabric transmission synchronous belts.

[0024] The finished fabric transmission motor is installed at the bottom of the fabric cutting machine frame. The finished fabric transmission motor drives the synchronous belt transmission shaft through the transmission belt and the transmission wheel. The synchronous belt rotating shaft drives the fabric transmission synchronous belt pulleys 1 at both ends through the fabric transmission synchronous belt and the fabric transmission synchronous belt pulley 2 to drive the fabric transmission slider, driving the sliding plate together with the multiple fabric pneumatic clamps installed on the pneumatic clamp mounting plate to slide forward along the fabric transmission guide rail. The multiple pneumatic clamps clamp the fabric and transmit it forward. When the fabric is transmitted to the set length, the cutting knife transmission motor is started under the control of the PLC programmable controller. The cutting knife transmission motor drives the cutting knife to cut the fabric into sections according to the set length and stack them on the fabric workbench. The pneumatic clamp is released, and the finished fabric transmission motor runs in the reverse direction, driving the fabric transmission slider, the sliding plate, the pneumatic clamp mounting plate and the fabric pneumatic clamp to reset through the fabric transmission synchronous belt, and then repeating the fabric cutting and transmission process.

[0025] An infrared detector is installed on the cloth cutting machine frame, and the infrared detector is connected to the electrical controller through a signal line, and is used to detect the cloth cutting scene and control the cloth cutting transmission.

[0026] The pneumatic cloth clamp is provided with a pneumatic clamp and a cylinder. The front of the cylinder is provided with the pneumatic clamp, and the cylinder is provided with an air inlet pipe and an air outlet pipe, and the air inlet pipe is connected to the air source. The air inlet and the air outlet are controlled by the electromagnetic valve to control the pneumatic clamp to open and close, so as to conveniently clamp the cloth. The pneumatic cloth clamp can be a commercially available pneumatic clamp.

[0027] How it works

[0028] When the hammock cloth automatic sewing equipment is working, the hammock cloth disc is installed on the cloth unwinding roller of the cloth unwinding conveying device, and the cloth is driven by the cloth unwinding transmission motor to drive the cloth unwinding transmission roller 1 and the cloth unwinding transmission roller 2, and the tension is adjusted to a certain extent by the tension adjustment rod, and is guided to the cloth edger of the cloth automatic curling and locking device through the transition roller and the guide roller, and enters the cloth channel and the cloth edge channel of the cloth edger, and the two sides of the cloth are curled respectively, and then the curling edges of the two sides of the cloth are sewed and locked by the industrial sewing machines on both sides, and then sent out by the cloth feed roller, and then driven by the cloth transmission motor to the cloth transmission roller, and the cloth is driven to the cloth automatic The cutting workbench of the automatic cutting device and the multiple pneumatic cloth clamps of the finished cloth automatic conveying device clamp the cloth, and under the drive of the finished cloth transmission motor and synchronous belt, the cloth is conveyed forward. When the cloth is conveyed to the set length, it is pressed by the cloth cutting and pressing plate. Under the control of the PLC programmable controller, the cutting knife transmission motor is started, and the cutting knife transmission motor drives the cutting knife to rotate at high speed. Under the drive of the slider transmission motor, the hammock cloth is cut into finished product segments according to the set length. At the same time, the multiple pneumatic cloth clamps of the automatic conveying device of the finished cloth clamp the cloth, and under the drive of the finished cloth transmission motor and synchronous belt, it is stacked on the cloth workbench. Under the control of the PLC programmable controller, the pneumatic cloth clamp is released, the finished cloth transmission motor runs in the reverse direction, and the sliding block, sliding plate, pneumatic clamp mounting plate and cloth pneumatic clamp are reset through the cloth transmission synchronous belt, and the above cloth cutting and conveying process is repeated.

[0029] The automatic sewing equipment for hammock cloth has a reasonable design and compact structure. It is equipped with a cloth unwinding and transferring device, an automatic cloth curling and locking device, an automatic cloth cutting device and an automatic cloth finished product conveying device. It can unwind and transfer cloth, automatically curl and lock the edges of hammock cloth, automatically convey cloth, automatically cut into finished cloth products, and automatically convey and stack them on the workbench. It has high production efficiency, which can increase production efficiency by more than 5 times, low labor cost, and can save more than 10 workers. Moreover, the quality of the finished cloth products is good, and the cloth finished product rate is more than 99%, which can meet the needs of industrial mass production. BRIEF DESCRIPTION OF THE DRAWINGS

[0030] The present invention will be further described below in conjunction with the accompanying drawings:

[0031] Figure 1 It is a schematic diagram of the structure of the automatic sewing equipment for hammock cloth.

[0032] Figure 2 The utility model is a structural schematic diagram of a fabric unwinding and transferring device of an automatic sewing device for a hammock fabric.

[0033] Figure 3 The invention is a structural schematic diagram of an automatic hemming and locking device of a hammock fabric automatic sewing device.

[0034] Figure 4 This is a schematic diagram of the structure of the automatic cutting device and finished fabric conveying device of the hammock fabric automatic sewing equipment Figure 1 .

[0035] Figure 5 This is a schematic diagram of the structure of the automatic cutting device and finished fabric conveying device of the hammock fabric automatic sewing equipment Figure 2 .

[0036] Figure 6 The invention is a structural schematic diagram of a fabric hemming device of an automatic fabric hemming and locking device of an automatic fabric sewing device for a hammock fabric.

[0037] Figure 7 The present invention is a schematic diagram of the installation of the pneumatic cloth clamp of the automatic conveying device for the finished cloth of the hammock cloth automatic sewing equipment.

[0038] Figure 8 The present invention is a schematic diagram of a pneumatic cloth clamp of an automatic cloth finished product conveying device of an automatic cloth sewing device for a hammock.

[0039] In the figure: 1. Fabric unwinding and conveying device, 2. Fabric automatic hemming and sewing device, 3. Fabric automatic cutting device, 4. Fabric finished product automatic conveying device, 5. Fabric;

[0040] 1-1, fabric unwinding roller, 1-2, hammock fabric disc, 1-3, fabric unwinding drive motor, 1-4, fabric unwinding drive roller 1, 1-5, fabric unwinding drive roller 2, 1-6, fabric unwinding transmission synchronous belt, 1-7, fabric unwinding transmission synchronous pulley 1, 1-8, fabric unwinding transmission synchronous pulley 2, 1-9, fabric pressing roller, 1-10, fabric pressing cylinder, 1-11, tensioning adjustment rod, 1-12, fabric guide roller 1, 1-3, transition roller, 1-14, fabric unwinding frame;

[0041] 2-1, fabric lockstitching frame, 2-2, fabric hemming device, 2-3, industrial sewing machine, 2-4, fabric feed roller, 2-5, fabric guide roller 2, 2-6, fabric transmission roller, 2-7, fabric transmission wheel, 2-8, fabric transmission belt, 2-9, fabric transmission motor, 2-10, thread pay-off reel;

[0042] 2-2-1, upper baffle, 2-2-2, bottom plate, 2-2-3, hemming plate, 2-2-4, mounting bracket, 2-2-5, fabric channel, 2-2-6, hemming channel;

[0043] 3-1, cloth cutting frame, 3-2, cloth guide roller three, 3-3, cloth guide roller four, 3-4, cutting workbench, 3-5, cloth cutting pressing plate, 3-6, pressing cylinder, 3-7, cutting knife driving guide rail, 3-8, slider, 3-9, cutting knife driving belt, 3-10, slider driving motor, 3-11, cutting knife, 3-12, cutting knife driving motor;

[0044] 4-1, fabric conveying frame, 4-2, fabric working table, 4-3, fabric pneumatic clamp, 4-4, fabric pneumatic clamp mounting plate, 4-5, sliding plate, 4-6, fabric transmission guide rail, 4-7, fabric transmission slider, 4-8, finished fabric transmission motor, 4-9, fabric transmission synchronous belt, 4-10, fabric transmission synchronous pulley 1, 4-11, fabric transmission synchronous pulley 2, 4-12, synchronous belt transmission shaft, 4-13, transmission belt;

[0045] 4-3-1, pneumatic chuck, 4-3-2, cylinder, 4-3-3, air inlet pipe, 4-3-4, exhaust pipe. DETAILED DESCRIPTION

[0046] See attached Figure 1-8 The automatic sewing equipment for hammock fabric comprises a fabric unwinding and conveying device 1, an automatic fabric curling and sewing device 2, an automatic fabric cutting device 3 and an automatic fabric finished product conveying device 4; the fabric unwinding and conveying device 1 is installed at the rear of the automatic fabric curling and sewing device 2, unwinds and conveys the fabric to the automatic fabric curling and sewing device 2, and the automatic fabric curling and sewing device 2 curls and sewn the two sides of the conveyed fabric; the automatic fabric cutting device 3 is installed at the front of the automatic fabric curling and sewing device 2, and cuts the curled and sewn fabric 5 according to the set length; the automatic fabric finished product conveying device 4 is installed at the front of the automatic fabric cutting device 3, and the fabric pneumatic clamp conveys the curled and sewn fabric 6 to the workbench through the fabric transmission synchronous belt, and the automatic fabric cutting device 3 cuts the fabric 5 into finished fabrics of set length, and automatically stacks them on the workbench for the next process of sewing the hanging rope.

[0047] The cloth unwinding and conveying device 1 includes a cloth unwinding roller 1-1, a cloth unwinding transmission motor 1-3, a cloth unwinding transmission roller 1-4, a cloth unwinding transmission roller 2 1-5, a cloth unwinding transmission synchronous belt 1-6, a cloth unwinding transmission synchronous pulley 1-7, a cloth unwinding transmission synchronous pulley 2 1-8, a cloth pressing roller 1-9, a cloth pressing cylinder 1-10, a tensioning adjustment rod 1-11, a cloth guide roller 1-12, a transition roller 1-13 and a cloth unwinding frame 1-14.

[0048] The cloth unwinding roller 1-1 is installed at the lower part of one side of the cloth unwinding frame 1-14, the hammock cloth disc 1-2 is installed on the cloth unwinding roller 1-1, the cloth unwinding drive roller 1-4 and the cloth unwinding drive roller 2 1-5 are respectively installed on the upper part of the cloth unwinding frame 1-14, the cloth unwinding transmission motor 1-3 is installed in the middle part of the cloth unwinding frame 1-14, the end of the cloth unwinding transmission roller 1-4 is equipped with a cloth unwinding transmission synchronous belt pulley 1-7, the end of the cloth unwinding transmission roller 2 1-5 is equipped with a cloth unwinding transmission synchronous belt pulley 2 1-8, the cloth unwinding transmission motor 1-3 transmits cloth through the cloth unwinding transmission synchronous belt 1-6, the cloth unwinding transmission synchronous belt pulley 1-7, the cloth unwinding transmission synchronous belt pulley 2 1-8, the transmission cloth unwinding transmission roller 1-4, and the cloth unwinding transmission roller 2 1-5. The cloth pressing roller 1-9 is installed on the upper part of the cloth unwinding transmission roller 1-4 and the cloth unwinding transmission roller 2 1-5. Cloth pressing cylinders 1-10 are installed at both ends of the cloth pressing roller 1-9. The cloth pressing roller 1-9 and the conveying cloth are pressed on the upper part of the cloth unwinding transmission roller 1-4 and the cloth unwinding transmission roller 2 1-5 by the pressing cylinder 1-10 for conveying the cloth.

[0049] The transition roller 1-12 and the cloth guide roller 1-13 are respectively installed on the upper part of the cloth unwinding frame 1-14, and are used to guide the cloth in transmission to the cloth surface automatic curling and locking device 2 for curling and locking the cloth surface edge.

[0050] The tensioning adjustment rod 1-11 is installed at the lower part of the fabric unwinding frame 1-14, and the lifting position is adjusted by adjusting the screw rod to adjust the tension of the unwinding fabric and control the tightness of the unwinding fabric, which is beneficial to the curling and locking of the fabric in the next process.

[0051] The automatic cloth hemming and locking device 2 comprises a cloth locking frame 2-1, a cloth hemming device 2-2, an industrial sewing machine 2-3, a cloth feeding roller 2-4, a cloth guide roller 2-5, a cloth transmission roller 2-6, a cloth transmission wheel 2-7, a cloth transmission belt 2-8 and a cloth transmission motor 2-9.

[0052] The industrial sewing machine 2-3 is installed on the upper part of the fabric lockstitch frame 2-3, the fabric crimping device 2-2 is installed on the fabric feeding side of the industrial sewing machine 2-3, the fabric feeding roller 2-4 is installed on the fabric outlet side of the industrial sewing machine 2-3, the fabric feeding roller 2-4 is driven by the transmission motor of the industrial sewing machine 2-3, the guide roller 2-5 is installed on the fabric lockstitch frame 2-1 at the front side of the industrial sewing machine 2-3, the fabric drive roller 2-6 and the fabric drive motor 2-9 are installed on the top of the fabric lockstitch frame 2-1, the fabric drive motor 2-9 drives the fabric drive roller 2-6 through the fabric drive wheel 2-7 and the fabric drive belt 2-8, and the fabric drive roller 2-6 drives the lockstitched hammock fabric 5. The industrial sewing machine 2-3 is a commercially available industrial sewing machine.

[0053] The cloth hemming device 2-2 comprises an upper baffle 2-2-1, a bottom plate 2-2-2, a hemming plate 2-2-3 and a mounting bracket 2-2-4. The hemming plate 2-2-3 is in an inverted L shape, the upper end of the hemming plate 2-2-3 is connected to the upper baffle 2-2-1, the lower end of the hemming plate 2-2-3 is connected to the bottom plate 2-2-2, and the lower part of the bottom plate 2-2-2 is connected to the mounting bracket 2-2-4. A cloth channel 2-2-5 is provided between the upper baffle 2-2-1 and the bottom plate 2-2-2, a cloth hemming channel 2-2-6 is provided between the cloth hemming plate 2-2-3 and the upper baffle 2-2-1, the cloth channel 2-2-5 is connected to the cloth hemming channel 2-2-6, and the height of the hemming channel 2-2-6 and the cloth channel 2-2-5 is less than 2 times the thickness of the cloth. The cloth edge curler 2-2 is used for curling the edges of the cloth. The industrial sewing machine 2-3 is used to sew and lock the edges, so that the strength of the hammock cloth can be improved, the edges of the hammock cloth will not fall off, and the service life of the hammock is increased.

[0054] The cloth unwinding frame 1-14 is connected to the cloth sewing frame 2-1. The cloth sewing frame 2-1 is equipped with a motor control box 2-8, and the motor control box 2-8 is equipped with electrical control components for controlling the cloth unwinding drive motor 1-3, the industrial sewing machine 2-3, the cloth drive motor 2-9 and the like.

[0055] A thread pay-off drum 2-10 is mounted on the cloth cover lockstitching machine frame 2-1, and the thread pay-off drum 2-10 provides sewing thread to the industrial sewing machine 2-3.

[0056] The automatic cloth cutting device 3 includes a cloth cutting frame 3-1, a cloth guide roller three 3-2, a cloth guide roller four 3-3, a cutting workbench 3-4, a cloth cutting pressing plate 3-5, a pressing cylinder 3-6, a cutting knife transmission guide rail 3-7, a slider 3-8, a cutting knife transmission belt 3-9, a slider transmission motor 3-10, a cutting knife 3-11 and a cutting knife transmission motor 3-12.

[0057] The cutting workbench 3-4 is arranged on the upper part of the cloth cutting frame 3-1, and the cloth guide roller three 3-2 and the cloth guide roller four 3-3 are respectively arranged on the upper part of the cloth cutting frame 3-1 close to the side of the cloth locking frame 1-14, and are used to guide the cloth with the locked edges to the cutting workbench 3-4, and the cutting workbench 3-4 is equipped with a cloth cutting pressing plate 3-5, and the two ends of the cloth cutting pressing plate 3-5 are equipped with pressing cylinders 3-6, which are used to press the cloth 5 on the cutting workbench 3-4 to facilitate cutting by the cutting knife 3-11.

[0058] A cutting knife transmission guide rail 3-7 is installed on the upper front side of the cloth cutting frame 3-1, and a slider 3-8 is installed on the cutting knife transmission guide rail 3-7. A slider transmission motor 3-10 is installed on one side of the cloth cutting and conveying frame 3-1. The slider 3-8 is connected to the cutting knife conveyor belt 3-9. The cutting knife transmission motor 3-12 is installed on the slider 3-8. The cutting knife 3-11 is installed on the output shaft of the cutting knife transmission motor 3-12. The slider transmission motor 3-10 drives the slider 3-8 through the cutting knife transmission belt 3-9. The slider 3-8 slides along the cutting knife transmission guide rail 3-7. The cutting knife transmission motor 3-12 drives the cutting knife-11 to transmit at a high speed, cuts the face cloth 5 into sections according to the set length, and then transmits it to the next process through the cloth finished product automatic transmission device 4.

[0059] An electrical control box 3-13 is mounted on the cloth cutting machine frame 3-1, and the electrical control box 3-13 is equipped with a PLC programmable controller, a motor controller, a gas pressure control switch, etc. A display screen and a control switch are mounted on the outside of the electrical control box 13.

[0060] The finished cloth automatic conveying device 4 includes a cloth conveying frame 4-1, a cloth workbench 4-2, a cloth pneumatic clamp 4-3, a cloth pneumatic clamp mounting plate 4-4, a sliding plate 4-5, a cloth transmission guide rail 4-6, a cloth transmission slider 4-7, a finished cloth transmission motor 4-8, a cloth transmission synchronous belt 4-9, a cloth transmission synchronous pulley 1 4-10, a cloth transmission synchronous pulley 2 4-11, a synchronous belt transmission shaft 4-12 and a transmission belt 4-13.

[0061] The cloth conveying frame 4-1 is connected to the cloth cutting frame 3-1. The cloth workbench 4-2 is set on the cloth conveying frame 4-1, and two cloth transmission guide rails 4-6 are respectively installed on the cloth conveying frame 4-1 on both sides of the cloth workbench 4-2. Both ends of the sliding plate 4-5 are connected to the cloth transmission guide rails 4-6 through cloth transmission sliders 4-7. A plurality of cloth pneumatic clamps 4-3 are installed on the pneumatic clamp mounting plate 4-4, and the pneumatic clamp mounting plate 4-4 is installed on the upper part of the sliding plate 4-5. The synchronous belt drive shaft 4-12 is installed on the cloth transmission frame 4-1. At the rear of the conveying frame 4-1, both ends of the synchronous belt drive shaft 4-12 are equipped with cloth surface transmission synchronous belt pulleys 4-10, and both sides of the front end of the cloth conveying frame 4-1 are respectively equipped with cloth surface transmission synchronous belt pulleys 4-11, and two cloth surface transmission synchronous belts 4-9 are respectively mounted on the two cloth surface transmission synchronous belt pulleys 4-10 and the two cloth surface transmission synchronous belt pulleys 4-11, and the cloth surface transmission sliders 4-7 at both ends of the sliding plate 4-5 are respectively connected to the two cloth surface transmission synchronous belts 4-9.

[0062] The finished cloth transmission motor 4-8 is installed at the lower part of the cloth cutting frame 3-1. The finished cloth transmission motor 4-8 transmits the synchronous belt transmission shaft 4-12 through the transmission belt 4-13 and the transmission wheel. The synchronous belt rotating shaft 4-12 transmits the cloth transmission synchronous belt pulley 1 4-10 at both ends, and transmits the cloth transmission slider 4-7 through the cloth transmission synchronous belt 4-9 and the cloth transmission synchronous belt pulley 2 4-11, driving the sliding plate 4-5 together with the multiple cloth pneumatic clamps 4-3 installed on the pneumatic clamp mounting plate 4-4 to slide forward along the cloth transmission guide rail 4-6. The multiple cloth pneumatic clamps 4-3 clamp the cloth 5 and transmit it forward. When the cloth 5 is transmitted to the set length, the cutting knife transmission motor 3-12 is started under the control of the PLC programmable controller. The cutting knife transmission motor 3-12 drives the cutting 3-11 to cut the cloth 5 into sections according to the set length and stack them on the cloth workbench 4-2. The pneumatic cloth clamp 4-3 is released, and the finished cloth transmission motor 4-8 runs in the reverse direction, driving the cloth transmission slider 4-7, the sliding plate 4-5, the pneumatic clamp mounting plate 4-4 and the cloth pneumatic clamp 4-3 to reset through the cloth transmission synchronous belt 4-9, and then repeating the cloth cutting and transmission process.

[0063] An infrared detector 3-14 is installed on the cloth cutting frame 3-1. The infrared detector 3-14 is connected to the electrical controller 13 through a signal line to detect the cloth cutting scene and control the cloth cutting transmission.

[0064] The pneumatic cloth clamp 4-3 is provided with a pneumatic clamp 4-3-1 and a cylinder 4-3-2. The front of the cylinder 4-3-2 is provided with the pneumatic clamp 4-3-1. The cylinder 4-3-2 is provided with an air inlet pipe 4-3-3 and an air outlet pipe 4-3-4. The air inlet pipe 4-3-3 is connected to the air source. The air inlet and air outlet are controlled by the electromagnetic valve to control the pneumatic clamp to open and close, so as to conveniently clamp the cloth 5. The pneumatic cloth clamp 4-3 can be a commercially available pneumatic clamp.

[0065] How it works

[0066] When the hammock cloth automatic sewing equipment is working, the hammock cloth disc 1-2 is installed on the cloth unwinding roller 1-1 of the cloth unwinding conveying device 1, and the cloth is driven by the cloth unwinding transmission motor 1-3 to drive the cloth unwinding transmission roller 1-4 and the cloth unwinding transmission roller 2 1-5, and the tension is adjusted to a certain extent by the tension adjustment rod 1-11, and is guided to the cloth hemming device 2-2 of the cloth automatic curling and locking device 2 through the transition roller 1-12 and the guide roller 1-13, and enters the cloth channel 2-2-5 and the cloth curling channel 2-2-6 of the cloth hemming device 2-2, and the two sides of the cloth are curled respectively, and then the curling edges of the two sides of the cloth are sewed and locked by the industrial sewing machines 2-3 on both sides, and then sent out by the cloth feeding roller 2-4, and then driven by the cloth transmission motor 2-9 to drive the cloth transmission roller 2-6, and the cloth 5 is driven to the cutting workbench 3-4 of the cloth automatic cutting device 3, and the finished cloth is automatically conveyed The multiple pneumatic cloth clamps 4-3 of the device 4 clamp the cloth 5, and are transmitted forward by the finished cloth transmission motor 4-8 through the transmission belt 4-13 transmission synchronous belt transmission shaft 4-12, the cloth transmission synchronous belt pulley 1 4-10, the cloth transmission cloth transmission synchronous belt pulley 2 4-11, and two cloth transmission synchronous belts 4-9 synchronous belt drive. When the cloth is transmitted to the set length, it is pressed by the cloth cutting and pressing plate 3-5, and the cutting knife transmission motor 3-12 is started under the control of the PLC programmable controller. The cutting knife transmission motor 3-12 drives the cutting knife 3-11 to rotate at a high speed, and the hammock cloth 5 is cut into finished product segments according to the set length under the drive of the slider transmission motor 3-10. At the same time, the multiple pneumatic cloth clamps 4-3 of the finished cloth automatic transmission device clamp the cloth, and are stacked on the cloth workbench 4-2 under the transmission synchronous belt drive of the finished cloth transmission motor 4-8. Under the control of the PLC programmable controller, the cloth pneumatic clamp 4-3 is released, and the finished cloth transmission motor 4-8 runs in the reverse direction, driving the cloth transmission slider 4-7, the sliding plate 4-5, the cloth pneumatic clamp mounting plate 4-4 and the cloth pneumatic clamp 4-3 to reset through the cloth transmission synchronous belt 4-9, and then repeating the above cloth cutting and transmission process.

Claims

1. An automatic sewing device for hammock fabric, characterized in that: It includes a fabric unwinding and conveying device, a fabric automatic hemming and sewing device, a fabric automatic cutting device and a fabric finished product automatic conveying device; The fabric unwinding and conveying device is installed at the rear of the fabric automatic hemming and sewing device, unwinds and conveys the fabric to the fabric automatic hemming and sewing device, and the fabric automatic hemming and sewing device performs hemming and sewing on both sides of the conveyed fabric; The automatic fabric cutting device is installed in front of the automatic fabric curling and sewing device to cut the fabric that has been curled and sewn according to the set length; The finished fabric automatic conveying device is installed in front of the automatic fabric cutting device. The pneumatic fabric clamp conveys the hemmed and locked fabric to the workbench through the fabric transmission synchronous belt. The automatic fabric cutting device cuts the fabric into finished fabrics of set length and automatically stacks them on the workbench. The cloth unwinding and conveying device comprises a cloth unwinding roller, a cloth unwinding transmission motor, a cloth unwinding transmission roller 1, a cloth unwinding transmission roller 2, a cloth unwinding transmission synchronous belt, a cloth unwinding transmission synchronous pulley 1, a cloth unwinding transmission synchronous pulley 2, a cloth pressing roller, a cloth pressing cylinder, a tensioning adjustment rod, a cloth guide roller 1, a transition roller and a cloth unwinding frame; The cloth unwinding roller is installed at the lower part of one side of the cloth unwinding frame, the hammock cloth disc is installed on the cloth unwinding roller, the cloth unwinding transmission roller 1 and the cloth unwinding transmission roller 2 are respectively installed on the upper part of the cloth unwinding frame, the cloth unwinding transmission motor is installed in the middle of the cloth unwinding frame, the end of the cloth unwinding transmission roller 1 is equipped with a cloth unwinding transmission synchronous belt pulley 1, the end of the cloth unwinding transmission roller 2 is equipped with a cloth unwinding transmission synchronous belt pulley 2, the cloth unwinding transmission motor drives the cloth unwinding transmission roller 1 and the cloth unwinding transmission synchronous belt pulley 1 through the cloth unwinding transmission synchronous belt pulley 1 and the cloth unwinding transmission synchronous belt pulley 2. The movable roller 2 conveys the fabric; the fabric pressing roller is installed on the upper part of the fabric unwinding transmission roller 1 and the fabric unwinding transmission roller 2, and fabric pressing cylinders are installed on both ends of the fabric pressing roller. The fabric pressing roller and the conveyed fabric are pressed on the upper part of the fabric unwinding transmission roller 1 and the fabric unwinding transmission roller 2 by the pressing cylinder to convey the fabric; the transition roller and the guide roller 1 are respectively installed on the upper part of the fabric unwinding frame to guide the fabric to the automatic hemming and sewing device on the fabric surface to perform hemming and sewing on the fabric surface edge; the tension adjustment rod is installed on the lower part of the fabric unwinding frame, and the lifting position is adjusted by adjusting the screw rod to adjust the tension of the unwinding fabric; The automatic cloth hemming and locking device comprises a cloth locking frame, a cloth hemming device, an industrial sewing machine, a cloth feeding roller, a second cloth guide roller, a cloth transmission roller, a cloth transmission wheel, a cloth transmission belt and a cloth transmission motor; The cloth edge rolling device comprises an upper baffle, a bottom plate, a curling plate and a mounting bracket; the upper end of the curling plate is connected to the upper baffle, the lower end of the curling plate is connected to the bottom plate, and the lower part of the bottom plate is connected to the mounting bracket; a cloth channel is provided between the upper baffle and the bottom plate, a cloth edge rolling channel is provided between the curling plate and the upper baffle, and the cloth channel is connected to the cloth edge rolling channel; The finished cloth automatic conveying device comprises a cloth conveying frame, a cloth workbench, a cloth pneumatic clamp, a cloth pneumatic clamp mounting plate, a sliding plate, a cloth transmission guide rail, a cloth transmission slider, a finished cloth transmission motor, a cloth transmission synchronous belt, a cloth transmission synchronous pulley 1, a cloth transmission synchronous pulley 2, a synchronous belt transmission shaft and a transmission belt; The cloth conveying frame is connected with the cloth cutting frame, the cloth workbench is arranged on the cloth conveying frame, two cloth transmission guide rails are respectively installed on the cloth conveying frame on both sides of the cloth workbench, two ends of the sliding plate are connected with the cloth transmission guide rails through cloth transmission sliders, a plurality of cloth pneumatic clamps are installed on the pneumatic clamp mounting plate, the pneumatic clamp mounting plate is installed on the upper part of the sliding plate, the synchronous belt transmission shaft is installed at the rear of the cloth conveying frame, two ends of the synchronous belt transmission shaft are equipped with cloth transmission synchronous belt pulleys one, two sides of the front end of the cloth conveying frame are respectively equipped with cloth transmission synchronous belt pulleys two, two cloth transmission synchronous belts are respectively mounted on two cloth transmission synchronous belt pulleys one and two cloth transmission synchronous belt pulleys two, and the cloth transmission sliders at both ends of the sliding plate are respectively connected with the two cloth transmission synchronous belts; The finished cloth transmission motor is installed at the lower part of the cloth cutting machine frame, and the finished cloth transmission motor drives the synchronous belt transmission shaft through the transmission belt and the transmission wheel. The synchronous belt rotating shaft drives the cloth transmission synchronous belt pulleys at both ends through the cloth transmission synchronous belt and the cloth transmission synchronous belt pulleys. The cloth transmission slider is driven to drive the sliding plate together with the multiple cloth pneumatic clamps installed on the pneumatic clamp mounting plate to slide forward along the cloth transmission guide rail. The multiple pneumatic clamps clamp the cloth and transmit it forward. When the cloth is transmitted to the set length, the cutting knife transmission motor is started under the control of the PLC programmable controller. The cutting knife transmission motor drives the cutting knife to cut the cloth into sections according to the set length and stack them on the cloth workbench.

2. The automatic sewing device for hammock fabric according to claim 1, characterized in that: The industrial sewing machine is installed on the upper part of the cloth lockstitch frame, the cloth feed side of the industrial sewing machine is equipped with a cloth curling device, the cloth outlet side of the industrial sewing machine is equipped with a cloth feed roller, the cloth feed roller is driven by the industrial sewing machine transmission motor, the second cloth guide roller is installed on the cloth lockstitch frame at the front side of the industrial sewing machine, the cloth drive roller and the cloth drive motor are installed on the top of the cloth lockstitch frame, the cloth drive motor drives the cloth drive roller through the cloth drive wheel and the cloth drive belt, and the cloth drive roller drives the lockstitched hammock cloth.

3. The automatic sewing device for hammock fabric according to claim 1, characterized in that: The automatic cloth cutting device comprises a cloth cutting frame, a third cloth guide roller, a fourth cloth guide roller, a cutting workbench, a cloth cutting pressing plate, a pressing cylinder, a cutting knife transmission guide rail, a slider, a cutting knife transmission belt, a slider transmission motor, a cutting knife and a cutting knife transmission motor.

4. The automatic sewing device for hammock fabric according to claim 3, characterized in that: The cutting workbench is arranged on the upper part of the cloth cutting frame, and the third and fourth cloth guide rollers are respectively arranged on the upper part of the cloth cutting frame close to the side of the cloth locking frame, and are used to guide the cloth with the locked edges to the cutting workbench, and the cutting workbench is equipped with a cloth cutting pressing plate, and pressing cylinders are installed at both ends of the cloth cutting pressing plate, which are used to press the cloth on the cutting workbench to facilitate cutting by the cutting knife; the front upper part of the cloth cutting frame is equipped with a cutting knife transmission guide rail, and the slider is installed on the cutting knife transmission guide rail. The slider transmission motor is installed on one side of the cloth cutting transmission frame, the slider is connected to the cutting knife conveyor belt, the cutting knife transmission motor is installed on the slider, and the cutting knife is installed on the output shaft of the cutting knife transmission motor. The slider transmission motor drives the slider through the cutting knife transmission belt, and the slider slides along the cutting knife transmission guide rail. The cutting knife transmission motor drives the cutting knife at high speed to cut the cloth into sections according to the set length.

5. The automatic sewing device for hammock fabric according to claim 1, characterized in that: The pneumatic cloth clamp is provided with a pneumatic clamp and a cylinder. The front part of the cylinder is provided with the pneumatic clamp. The cylinder is provided with an air inlet pipe and an air outlet pipe. The air inlet pipe is connected with an air source.

Images