20+ Years Manufacturing Experience

LQD-600C Three-side Sealing Automatic Bag Making Machine

Short Description:

Termsof Payment
30% deposit by T/T when confirming the order, 70% balance by T/T before shipping. Or irrevocable L/C at sight.
Installation and Training
The price includes the fee of installation, Training and interpreter, However,the relative cost such as international return air tickets between China and Buyer’s country, local transportation, accommodation (3 star hotel), and the pocket money per person for engineers and interpreter will be born by buyer. Or, the customer can find capable interpreter in local. If during Covid19, will do online or video support by whatsapp or wechat software.
Warranty: 12 months after B/L date.
It is ideal equipment of plastic industry. More convenient and easy to do adjustment, save labours and cost to support our customers do more effierency.

Product Detail

Product Tags


Mode three side sealing, seven servos, four feeding, main machine servo, moveable double cut. With ultrasonic device.
Raw material BOPP, CPP, PET, NYLON, plastic laminated film, multiplayer extrusion blown film, pure aluminum, aluminum-plating laminated film, paper-plastic laminated film
Max. bag making speed 180 time/min
Normal speed 120time/min (three side seal 100-200mm)
4Max. material out feeding line speed ≤35 m/min
Size of bag
Width 80-580 mm
Length 80-500 mm (dual delivery function)
Width of sealing 6-60 mm
Bag style three-side sealing bag, Standing bag, Zip bag and four side sealing
Size of material roll Ø 600*1250 mm
Positioning accuracy ≤±1 mm
Thermal sealing knife quantity Four teams on vertical thermal sealing, four teams on vertical cooling setup. Two teams on zipper thermal sealing knifes, two teams cooling units. Three teams on horizontal thermal sealing, two teams on horizontal cooling setup
Temperature control quantity 22 routes
Temperature control setting range normal and up to 360℃
Power of whole machine 45KW
Overall dimension (length*width*height) 14100*1750*1900
Net weight of whole machine about 6500Kg
Color main machine body is black, cover is milk white.



Three side sealing 


Four side sealing


Four side sealing


Stand pouch  

Stand pouch with zipper

Specification and relevant parameters

Unwinding frame device 
Structure ertical automatic error rectifying unwind structure
Tension control 
Magnetic power brake braking 
Initiative out feeding structure 
Control mode floating type of dance roller displacing sensor controls speed of out feeding
Tightly fixed taper out feeding nip roller (with air expanding shaft ) 
Error rectifying control (EPC) 
Structure screw rod secondary adjustment, K shelf vertical lifting and falling
Drive Solid-state relay drives low speed synchronous motor
Transmission steel shaft coupling connection
Control type reflection electric transducer detection, independent control.
Tracking accuracy 0.5mm
Adjustment range 150mm
Opposite side up and down pieces
Structure roller's single end spring pressing structure
Adjustment manual adjustment
A vertical sealing device
Structure vertical displaying iron pressing, cooling assembly spring pressing  structure
Drive main machine drives coupling rod of eccentric mechanism to do vertical movement
Quantity 4 teams on thermal sealing, 4teams on cooling
Length 700mm
B vertical zip device
Structure vertical displaying iron pressing, cooling assembly spring pressing  structure, bottom sealing knife; heat ironing holder pneumatic moves down when stopped machine. Automatic reset when machine started.  
Drive main machine drives coupling rod of eccentric mechanism to do vertical movement
Quantity 2 teams on thermal sealing, 2 teams on cooling
A horizontal sealing device
Structure horizontal displaying iron press assembly spring structure, cooling assembly
Drive main machine drives coupling rod of eccentric mechanism to do vertical movement
Quantity three teams on thermal sealing, two teams on cooling
Length 640mm
B Horizontal flattening device (heat flattening zip edge)
Structure horizontal displaying iron press assembly spring structure
Drive same as horizontal sealing
Quantity 2 sets on heat pressing
Film feeding Device
Structure rubber roller pressing friction type
Drive imported fully digital runoff production servomechanism ( Panasonic, Japan )
Transmission synchronous band and wheel
Control mode centralized PLC control, synchronous length fixing and middle tension control
Central tension
Structure floating tension roll structure
Control mode centralized PLC control
Mechanism of control complementary trend of floating tension roller movement controls the center servo step length to achieve stop and beginning at the same time
Testing mode electromagnetism approaches switch ( NPN )
Adjustment range of tension 0.1-0.2mm (computer setting, automatic compensation)
Main transmission device
Structure crank rocker push and pulling coupling rod structure
Drive 3KW Panasonic servo motor.
Transmission main transmission electric machinery band 1: 10 reducer
Control modality centralized PLC control
Running mode main motor running drives frame to do vertical movement
Automatic positioning device
Testing mode tracking testing of reflection photoelectrical sensor
Testing accuracy 0.01- 0.25mm
Integrative positioning accuracy ≤0.5-1mm
Photoelectrical searching range ±3mm
Rectifying equalizing range ±3mm
Positioning rectifying wise servo tracks current equalizing, photoelectrical automatic movement rectify system
Temperature control setting
Testing mode thermo couple test
Control mode centralized PLC control, PID adjustment, solid-state relay
Temperature setting range normal -360℃
Temperature testing point central part electric heated
Double cutting knife (Moveable double cutting)
Structure top cutting knife + adjustment equipment + fixed bottom cutting knife
Mode spring shear knife
Transmission main motor drive, eccentric mechanism up and down motion.
Adjustment horizontal move (two ends)
Standing bag device
Automatic synchronous unwind system, free adjustment of unwind tension, tripod edge folding.
Automatic round holes pouching device and accurate positioning.
Automatic zip unwind device
Independent unwind single gearbox speed reducing motor feeding
Automatic photoelectric adjustment that ensure the synchronous speed with main motor  
Punching device (adopts imported parts)
Structure bowed supporting pneumatic engine leading main model impact structure
Control mode centralized PLC control
Drive Solid-state relay drives solenoid value
Quantity of punching stand basic two teams (rhombus)
Air cylinder Airtac, Taiwan
Welding knife device
Horizontal:  20mm*2 radix; 30mm*2 radix; 40mm*2 radix; 50mm*2 radix   
Edge rewind
Power supply three-phase 380V,  ±10%, 50HZ five lines
Volume 45KW
Air supply pressure ≥ 0.6Mpa    
Cooling water 3 L / min

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