Middle-bottom-sealing Bag Machine

●Application:

ZDF-400 middle bottom sealing bag machine is widely used to produce bags sealed in middle and bottom for food industry and medical factor sector to pack food, snacks, medical tools and instruments.

●Electrical equipment:

1. PLC control & touch screen

2. Servo motors and drives for 2 sets

3. Deviation correction controller of discharging for 1 set

4. Discharging control system with variable frequency (including a 0.75kw frequency converter)

5. Magnetic powder brake to control discharging for 1 set

6. Temperature control lines: 8 lines

7. Main motor in power of 2.2kw and 2.2kw frequency converter for 1 set

●Technical parameter

Machine function: middle-bottom-sealing bag machine

Suitable base material: plastic & laminated film such as BOPP, COPP, PET, PVC and nylon, as well as multilayer & laminated film, aluminium laminated film, paper plastic laminated film and pure aluminium foil laminated film

Max bag-making speed: 130 pcs/min (range by bag length and types)

Max linear speed for discharging:≤35 m/min (range by bag length and types)

Bag-making size: length: 400mm N=1, 2, 3, 4, 5, 6 (multiple material feeding), Width: 400mm

Max size of material roll:￠600*840 (diameter*width)

Positioning accuracy:≤±0.3mm

Numbers of heat sealing and cooling knives: 10 pcs

Temperature control lines: 8 lines

Temperature setting range: room temperature∽300℃

Total power: 23kw

Machine dimension: 9100*1500*1700mm (length*width*height)

Color: machine body in white and cover in green (customized by clients’ requirements)

Control system type: control system for high-speed bag machine

I Configuration and parameter

1. Discharging device

Structure type: horizontal station (composed of magnetic, cylinder, swing roller, frequency converter, motor, sensor for drawing roller and control system)

Drive: discharging motor + reduction gearbox + sprocket wheel + roller drive

Feeding shaft: air shaft & pneumatic locking devices

Feeding type: manual feeding

2. Discharging tension

Control mode: automatic control in unit

Conditioning drive: PID conditioning and PWM drive

Detection mode: conductive plastic potentiometer & rotary encoder

3. Deviation correction device

Structure: adjusted by screw pair

Drive: deviation correction controller drive & low-speed synchronous motor

Control mode: single & double photoelectric sensor control

Detection mode: reflective photoelectric sensor testing

Tracking accuracy:≤0.5mm

Adjustment range: 150mm

Photoelectric research scope:±50mm(adjustable), section of limit switches

4. Opposite-side pieces in upper and lower

Structure: pressed structure with single-end spring slotted adjustable rubber roller

Adjustment: manual adjustment (by hand wheel)

5. Longitudinal-sealing device

Structure: combined bridge structure with hot pressing and cooling arranged in vertical

Drive: main motor drives power rod

Transmission: eccentric mechanism with connecting rod’s vertical movement

Number: 1 group

Length: 800mm (equipped with a 10mm hot cutter)

6. Traverse-sealing device

Structure: cylinder structure with hot pressing arranged in horizontal

Drive: main motor drives power rod

Transmission: eccentric mechanism with connecting rod’s vertical movement

Number: 3 groups

Length: 440mm (equipped with 5, 10, 20mm cutters respectively for 2 sets)

7. Film traction device

Structure: air-pressure structure with rubber roller

Drive: digital AC servo system opened in Shanghai

Transmission: synchronous belt and synchronous pulley running at gear ratio of 1∶2.5

Traction: friction drawing & intermittent motion from 2 groups of rubber rollers in upper and lower

Control mode: computer centralized control & synchronous fixed length and middle tension control

Detection: proximity switches provide signals such as upper and lower limit frame

8. Middle tension

Structure: tension structure with air-pressure & floating roller

Control mode: computer centralized control

Control mechanism: movement tendency of floating roller

Detection mode: low-level effective proximity switch (NPN)

Tension adjusted range: 0-0.6Mpa of air pressure, compensation range of mid-traction motor: 5-10mm (set by computer)

9. Main transmission device

Structure: push-pull four-bar linkage structure with crank rocker

Drive: 2.2kw frequency converter drive & 2.2kw three-phase asynchronous motor

Transmission: main drive motor moves gear reducer at 1∶20

Control mode:

Motion mode: main motor drives lever and frame to move in vertical

10. Automatically positioning device

Photoelectric testing precision: 0.01-0.25mm

Positioning accuracy of servo motor: 0.1mm

Integrated positioning accuracy:≤±0.3

Photoelectric research scope: 0-10mm (set by computer)

Correction compensation range: 0-10mm (set by computer)

Positioning rectification mode: current compensation for servo tracking

11. Temperature control device

Detection mode: testing by type E termocouple

Control mode: SSR drive

Temperature setting range: room temperature∽300℃

Temperature measurement points: the middle of electric heating block

12. Cutter

Structure: upper cutter +adjustment device +fixed lower cutter

Type: shear-type cutter with pneumatic & top grid spring

Transmission: by power of eccentric shaft

Adjustment: by hand wheel to move cutters along tangent and both of ends of cutters can move independently

13. Multiple in-feed device

Structure: connecting rod fixed on cylinder to finish stretching motion

Control mode: computer centralized control

Drive: DC 24V drive solenoid valve with short-circuit protection

Motion type: asynchronous and combined motion for 3 groups of traverse sealing

Multiple in-feed numbers: 2-6 multiple material feeding (set on touch screen)

14. Punching device

Structure: pneumatic machine-oriented punch-pin structure on arch base

Control mode: computer centralized control

Drive: DC 24V drive solenoid valve with short-circuit protection

Punching base: rail-supported & pneumatic mechanism oriented arch base with horizontal fine tuning structure

Cylinder: pneumatic control

Mould: diamond hole, round hole (￠6,￠10), adding punching hole for￥750/pc

Numbers: 2 pcs

II Supporting facilities

Power supply: three-phase alternating current with 380V±10% 50Hz

Capacity:＞23kw

Air supply: 30 L/min (0.6Mpa)

Cooling water: 8 L/min

III optional devices (not included in quotation)

1. Adding punch

If you want an extra group of punch different from punch devices of basic configuration, please inform us in advance customized according to clients’ requirements

2. Irregular sealing cutter

Customized according to clients’ requirements

3. Air compressor

Clients purchase it according to requirements

IV Packing

Plain & moisture proof packaging

V Random accessories

More details

Why choose us?

●16 years focus on pouch making machine!Our expericnec is your advantage!

●Direct manufacturer(own factory)!

●Pouch making machine get Japan Panasonic and European engineer’s praise!

●480 set machine installed!

●2 years warranty time!

●Origin Idea ,design by our own engineer,accept OEM or ODM!

●Highed skilled engineer ,easy operation!

●Turn-key project, remote support on line!

●Photos and videos can be taken while testing the machine, so that you can check the specifications and quality on line!

●Qualified machine under global safety standards to guarantee production safety and workers security.