LSB-330D+LST-41100 Fully Automatic Flexo Printing Patch Punching Handle Paper Bag Making Machine

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Fully automatic patch punching handle paper bag making machine forming the paper bag in one process from printed or unprinted roll paper ,Partial gluing, patch, side gluing, roll folding, die-cutting handle, roll paper cutting, bottom folding, bottom gluing, bottom forming, bag formation at a stroke. This machine controls by PC programmable servo motor through the human-machine touch screen interface. It can produce various of specifications paper bags. This machine have advantages of high speed, quickly replace the paper bag specifications, more wide range adjusting etc. It is an ideal machine for producing food bag, shopping handles bag.


1.The human-machine touch screen interface, the work condition can be shown in real- time.

2.Independent servo local gluing unit, change the size and automatically synchronize the gluing speed without changing any parts.

3.Two sets of independent servo patch units, the patch position can be adjusted independently and arbitrarily.

4.Independent servo die-cutting handle unit, the die-cutting position can be adjusted independently and arbitrarily.

5.Material loading and unloading adopts pneumatic or hydraulic lifting structure.

6.Automatic constant tension control system. The tension will be just right from beginning to end.

7.Double photoelectric sensor limit automatic correction control system and deviation rectification stability, energy saving, long life.

8.Don't stop machine adjust double bottom structure, the adjustment will become more intuitive, more simple, more time saving.

9.Accurate color tracking system, automatic alarm prompt when color is wrong. sealed scraping knife scraping.(Except R and J type) Ceramic Anilox roller, high speed dot rate, screen printed layered, stronger.(Except R and J type)

12.Using 99mm large diameter rubber roller to uniform ink and anilox roller to transfer ink.(Only R and J type)

13.button-360 ° continuous and adjustable longitudinal register device.

Technical Parameter:



Bag Width(W)

120-330 mm

Bottom Size(H)

70-180 mm

Bag tube length(C)

270-530 mm

Bag Length(L)



220 pcs/min

Paper Thickness

60-170 gsm

Paper Roll Width

400-1050 mm

Max.Roll diameter

1200 mm

Reel inner diameter

76 mm

Patch width (P)

50-160 mm

Patch length (T)

84 mm

die-cut window (Q)

80 mm

die-cut window (O)

30 mm

Patch Specifications

Paper:50-80 gsm  PE:0.05-0.08 mm

Max.Patch Roll Diametr

700 mm

Patch inner Diameter

76 mm

Printing Color

4 Color

Printing Width

1100 mm

Printing Length

180-800 mm

Max.Printing Speed

120 m/min

Overprint Precision

±0.15 mm

Thickness of Plate

1.7 mm

Total Power

30.5 Kw

Weight of Machine

9900 kg

Overall Dimension 

14300×1850×1850 mm


Machine speeds dependent on paper & adhesive qualities, bag dimensions, operator knowledge, and general work philosophy.

Detailing Description  

Man-machine interface touch screen
Adopt touch screen and Motion Control System, the work condition can be shown real time. Cooperate with the ultra precise double servo motor, the stability can be guaranteed.

Independent glue coating system
Independent glue coating system, the glue coating system can be run independently after the machine stops, avoiding the glue drying and not easy to clean. The glue automatic supply system will automatically supply when the glue is insufficient.

rollerIndependent servo synchronous continuous rotation die-cutting
Independent servo synchronous continuous rotation die-cutting mode, the die-cutting position can be adjusted longitudinally without stopping, and the adjustment of the die-cutting position is simple and fast and fast.

Independent servo suction roll sheet material cutting
Independent servo suction roll sheet material cutting and patch unit, the sheet material pasting position can be adjusted arbitrarily.

The independent servo paste position is used for gluing
The independent servo paste position is used for gluing, and the gluing is synchronized. Changing the bag length does not need to replace the roller, which is simple, fast and cost-saving.

Color Mark Tracking System
Precise color mark tracing system can make sure precision of bag printing pattern cutting position. The color mark tracing function can avoid the readjustment after paper reel changing, paper web breaking, or power outage. The machine can stop automatically when the color mark is error. It will save time and reduce the waster rate.
Ink recirculating sealing ink scraper system
With ink closed type ink doctor blade and ensure machine not flying ink in high speed, so can be circle using ink and keep even of ink color when it is printing.
Large diameter ceramic anilox roller
Adopt 120mm larger diameter ceramic anilox roller to driven ink, big diameter moving ink touch big area, moving ink much stable, ceramic anilox roller high precision, and can be high precision for printing effective and clear pictures in details; Ceramic dot detail, clear ink, high speed dot rate, screen printed layered, stronger.

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