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Sewing machine is an important cutting and sewing equipment in the woven bag industry. It does not require any molds. It is controlled by the system software. According to the cutting and sewing production process of the woven bag, the product is directly cut and sewn. We only need to set the corresponding parameters on the operating platform. It’s highly automated, simply operated, and the productions are up to standard and neat. It can completely replace the previous heavy manual labor, reduce the errors and manpower consumption. The advanced performance of the integrated woven bag equipment of the cutting and sewing machine has injected new vitality into the production of woven bags and improve the production efficiency.

Its characteristics are as follows:

1. Automatically fixed-length tubular knitted fabric thermal cutting and sewing the bottom, labor-saving.

2. Touch screen set, the PLC control, servo motor drive, precise control of the bag length.

3. The bag is non-adhesive after thermal cut, easy to open.

4. Automatic counting, the bag can feed the stack.

5. Air volume, it is very convenient to operate.

1. Equipment function and debugging requirements

This product is suitable for the processing and packaging of various cement bags, flour bags, feed bags, sugar bags, fertilizer bags, and other bags. It integrates a variety of processes in one operation and can complete the processes of feeding, folding, sewing, thread breaking, receiving, chopping, and counting of woven bags, which are closely coordinated and do not interfere with each other.

The equipment process is divided into a roll-up— cutting — grip edge — sewing bottom — collect bag.

Correct operation of woven bag hot cutting and sewing machine

1. The woven bag hot-cutting and sewing machine hang the cloth roll on the shaft and pneumatically feeds on the pressing wheel.

2. Automatic correction.

3. Color code tracking, servo control bag length.

4. Thermal cutting, automatic rubbing, cold knife device.

5, PLC centralized control, color interface, data & display & record setting.

6. Frequency control and automatic counting.

7. Automatic bag stacking and conveying.

Device parameters:

Rated voltage: two-phase electricity / three-phase electricity

Sewing pitch: 5 ~ 14mm

Bag cutting speed: 20 ~ 40pcs / min

Cutting bag length: 500 ~ 1300mm

Cutting bag width: 800mm

Commissioning requires precise positioning of the servo drive to ensure uniform bag length and neat stitching trajectory.

2. System construction

System composition: PLC, touch screen.

Servo configuration: K1AS08AA * 2, K1AS15AA, K1AS30AA

Motor model: 60ST-M01930 (cold knife), 80ST-M03520 (bag), 110ST-M05030 (mechanical claw), 130ST-M17020 (roller)

Cold knife, mechanical claw, roller wiring (pulse position control)

Bag shooting (internal position control)

The host computer is connected to the control end of the servo driver. The driver and related computing substrates are fixed in the electric cabinet. The servo driver receives the pulse command of the host computer and drives the motor to complete the corresponding action.

4. Related parameter settings

Cold knife (pulse position control)

Mechanical claw (pulse position control)

Wheel wiring (pulse position control)

Bag shooting (internal position control)

The Zhishan servo system equipped with the cutting and sewing machine can realize automatic loading and unloading, uniform bag length, neat stitching track, stable operation, fast rhythm, high efficiency and fully meet customer requirements.