20+ Years Manufacturing Experience

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

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Product Detail

Product Tags

Technical parameters

  • 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

3.Max. bag making speed: 180 time/min

Normal speed: 120time/min (three side seal 100-200mm)

4. Max. material out feeding line speed: ≤35 m/min

5. Size of bag:

Width: 80-580 mm

Length: 80-500 mm (dual delivery function)

6. Width of sealing: 6-60 mm

7. Bag style: three-side sealing bag, Standing bag, Zip bag and four side sealing

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.


Three side sealing 


Four side sealing


Four side sealing


Stand pouch  

Stand pouch with zipper

8. Size of material roll: Ø 600*1250 mm

9.Positioning accuracy: ≤±1 mm

10.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;

11.Temperature control quantity: 22 routes

12.Temperature control setting range: normal and up to 360℃

13.Power of whole machine: 45KW

14.Overall dimension (length*width*height): 14100*1750*1900

15.Net weight of whole machine: about 6500Kg

16.Color: main machine body is black, cover is milk white.


Specification and relevant parameters

  1. Unwinding frame device:

Structure: vertical automatic error rectifying unwind structure

a) Tension control:

⑴ Magnetic power brake braking

⑵ Initiative out feeding structure

⑶ Control mode: floating type of dance roller displacing sensor controls speed of out feeding

⑷ Tightly fixed taper out feeding nip roller (with air expanding shaft )

b) Error rectifying control (EPC):

⑴ Structure: screw rod secondary adjustment, K shelf vertical lifting and falling

⑵ Drive: Solid-state relay drives low speed synchronous motor

⑶ Transmission: steel shaft coupling connection

(4) Control type: reflection electric transducer detection, independent control.

⑷ Tracking accuracy: 0.5mm

⑸ Adjustment range: 150mm


2.  Opposite side up and down pieces

   ⑴ Structure: roller’s single end spring pressing structure

   ⑵ Adjustment: manual adjustment

3. A vertical sealing device:

⑴ Structure: vertical displaying iron pressing, cooling assembly spring pressing  structure

⑵ Drive: main machine drives coupling rod of eccentric mechanism to do vertical movement

⑶  Quantity: 4 teams on thermal sealing, 4teams on cooling

⑷  Length: 700mm

B vertical zip device:

⑴ 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.  

⑵ Drive: main machine drives coupling rod of eccentric mechanism to do vertical movement

⑶ Quantity: 2 teams on thermal sealing, 2 teams on cooling

4. A horizontal sealing device:  

 ⑴ Structure: horizontal displaying iron press assembly spring structure, cooling assembly

⑵ Drive: main machine drives coupling rod of eccentric mechanism to do vertical movement

⑶ Quantity: three teams on thermal sealing, two teams on cooling

⑷ Length: 640mm

B Horizontal flattening device (heat flattening zip edge):

⑴ Structure: horizontal displaying iron press assembly spring structure

⑵ Drive: same as horizontal sealing

⑶ Quantity: 2 sets on heat pressing


5. Film feeding Device

  ⑴ Structure: rubber roller pressing friction type

  ⑵ Drive: imported fully digital runoff production servomechanism ( Panasonic , Japan )

  ⑶ Transmission: synchronous band and wheel

  ⑷ Control mode: centralized PLC control, synchronous length fixing and middle tension control

6. Central tension

  ⑴ Structure: floating tension roll structure

  ⑵ Control mode: centralized PLC control

  ⑶ 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

  ⑷ Testing mode: electromagnetism approaches switch ( NPN )

  ⑸ Adjustment range of tension: 0.1-0.2mm (computer setting, automatic compensation)

7. Main transmission device

  ⑴ Structure: crank rocker push and pulling coupling rod structure

  ⑵ Drive: 3KW Panasonic servo motor.

  ⑶ Transmission: main transmission electric machinery band 1: 10 reducer

  ⑷ Control modality: centralized PLC control

  ⑸ Running mode: main motor running drives frame to do vertical movement


8. Automatic positioning device

⑴ Testing mode: tracking testing of reflection photoelectrical sensor

⑵ Testing accuracy: 0.01- 0.25mm

⑶ integrative positioning accuracy: ≤0.5-1mm

⑷ Photoelectrical searching range: ±3mm

⑸ Rectifying equalizing range: ±3mm

⑹ Positioning rectifying wise: servo tracks current equalizing, photoelectrical automatic movement rectify system

9. Temperature control setting:

  ⑴ Testing mode: thermo couple test

  ⑵ Control mode: centralized PLC control, PID adjustment, solid-state relay

  ⑶ Temperature setting range: normal -360℃

  ⑷ Temperature testing point: central part electric heated

10.  Double cutting knife (Moveable double cutting)

  ⑴ Structure: top cutting knife + adjustment equipment + fixed bottom cutting knife

  ⑵ Mode: spring shear knife

⑶ Transmission: main motor drive, eccentric mechanism up and down motion.

(4) Adjustment: horizontal move (two ends)

11. Standing bag device:

⑴ Automatic synchronous unwind system, free adjustment of unwind tension, tripod edge folding.

⑵ Automatic round holes pouching device and accurate positioning.


12. Automatic zip unwind device

⑴ independent unwind single gearbox speed reducing motor feeding

⑵ automatic photoelectric adjustment that ensure the synchronous speed with main motor  

13. Punching device (adopts imported parts)

  ⑴ Structure: bowed supporting pneumatic engine leading main model impact structure

  ⑵ Control mode: centralized PLC control

  ⑶ Drive: Solid-state relay drives solenoid value

  ⑷ Quantity of punching stand: basic two teams rhombus

  ⑸ Air cylinder: Airtac, Taiwan

14. Welding knife device:

   Horizontal:  20mm*2 radix     30mm*2 radix     

 40mm*2 radix      50mm*2 radix   

15.Edge rewind

Specification and relevant parameters

  1. 1.Power supply: three-phase 380V,  ±10%, 50HZ five lines
  2. 2.Volume: 45KW
  3. 3.Air supply: pressure ≥ 0.6Mpa    
  4. 4.Cooling water: 3 L / min

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