Thermoforming Vacuum Packaging Machine
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Working Principle
Fully automatic packaging process:
Film feeding → marking → forming → material placement → vacuum sealing → coding → cross-cutting → longitudinal cutting → material discharging
● Forming stage: After the lower film (stretching film) is heated and softened, it is formed by vacuum pump or negative pressure tank to meet the depth and hardness requirements of different products.
● Sealing stage: After the upper film (composite film) is covered, the air bag (uniform pressure) or cylinder (high-pressure sealing) is used to complete the vacuum or gas-controlled sealing.
● Cutting stage: The cross-cutting knife (PLC-controlled adjustable single knife) and the longitudinal cutting knife (multi-tooth design) are precisely cut to support customized requirements such as continuous package dotted lines and easy-tear edges.
Intelligent control:
● Film placing system: The motor drives the gravity lifting roller, and the film tension is automatically adjusted through the upper and lower proximity switches to ensure uniform stretching without damage;
● Vibration suppression system (high configuration): The Omron control module reduces operating vibration to ensure high-speed stability and liquid packaging overflow prevention effect.
Product configuration
Core technology: vacuum forming technology, multi-mode sealing (airbag/cylinder), intelligent vibration suppression system, independent programming control.
Core components: 6063T aluminum-magnesium alloy body, casting aluminum mold (45mm thick), split heating plate (38mm), high-precision horizontal and vertical cutting knife system.
Supporting system: vacuum pump/negative pressure tank forming module, suction barrel/motor film waste recycling, Omron/Siemens PLC control.
Core advantages
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High precision and durability
Body structure: 6063T aluminum-magnesium alloy one-piece casting, 9-meter reference platform initial installation, flatness error ≤ 0.05mm;
Mold process: 45mm thick cast aluminum mold, rough grinding + fine grinding + trace elimination treatment, processing cycle 2 weeks, support depth adjustment and fast mold change.
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Safety and intelligence
Quadruple anti-pinch device: The molding room and heat sealing room are equipped with induction protection plates before and after, and the overload automatic shutdown alarm;
Intelligent control: self-developed programming system + three-proof distribution box (16mm aluminum plate + dehumidifier), support Omron high-end vibration suppression solution.
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Efficient molding and sealing
Heating system: 38mm thick cast aluminum heating plate, internal coil process uniform heat conduction, small deformation, long life;
Molding options: vacuum pump (hard box/deep drawing) or negative pressure tank (thin and small products are energy-saving and silent), adaptable to various needs.
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Flexible slitting and recycling
Cutter design: adjustable single cross-cutting knife/multiple tooth shapes of longitudinal cutting knife (sawtooth, wave, easy-tear, etc.), supporting continuous bag slitting;
Waste recycling: suction barrel (strong suction, industrial application) or motor wrapping (quiet and power-saving, medical recommendation), optional on demand.
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Energy saving and convenient maintenance
Sealing technology: airbag sealing (low cost, uniform) or cylinder sealing (high pressure and durable);
Low-consumption design: negative pressure tank molding does not require maintenance, and motor wrapping energy consumption is reduced by 30%.
Product Parameters
Model |
DZDL-320 |
DZDL-420 |
DZDL-520 |
DZDL-685 |
Base film width (mm) |
322 |
422 |
522 |
685 |
Top mold width (mm) |
295 |
395 |
495 |
661 |
Vacuum degree |
≤200 |
≤200 |
≤200 |
≤200 |
Power supply (V/Hz) |
380/50 |
380/50 |
380/50 |
380/50 |
Average power |
7 |
10 |
12 |
16 |
Dimensions |
5500×800×1750 |
6000×900×1750 |
7500×1000×1750 |
6500×1400×1800 |
Machine weight (kg) |
1200 |
1800 |
2200 |
2400 |
Packaging speed (minutes) |
4-7 times |
4-7 times |
4-7 times |
4-7 times |
Lower Membrane Device: Adopting an inductive-based automatic braking and tensioning system, it is equipped with a horizontal adjustment handle to fine-tune the lateral tension of the packaging film in real time. In the lower membrane process, the material is typically stretch film that requires stretching to form the desired shape.
Forming & Heat Sealing: The lifting mechanism for both forming and heat-sealing films employs a pneumatic lever-type independent self-locking lifting system. Multiple heating tubes embedded with heating plates ensure more uniform temperature distribution.
Control System: Our control system features a Siemens controller, a 10-inch color digital display, and an aluminum-magnesium alloy rotating cantilever control box with 320° adjustable installation.
Vacuum Heat Sealing System: The vacuum heat sealing chamber features an independent stabilization system design, maintaining structural stability under high sealing pressure without shifting.
Application fields
Meat Products
Fresh/frozen meat, cured meat, bulk sausages, vacuum-packed sausages, salami, ham, bacon, beef, pork, hamburgers, bison, ground meat (pork, beef, turkey), meatballs, etc.
Fish & Seafood
Fresh/frozen/cured fish, salmon fillets, tilapia, shrimp, lobster, octopus, oysters, prawns, herring, smoked fish, roe, etc.
Poultry Products
Whole chicken, whole turkey, chicken legs, quail, quail eggs, salted eggs, boiled eggs, ground turkey, ground chicken, etc.
Cheese & Dairy
Cheese blocks, slices, wedges, curds, cheddar, hard/soft cheese, feta, goat cheese, etc.
Baked Goods
Bread, cakes, sandwiches, toast, pastries, etc.
Pasta
Fresh pasta, ravioli, udon noodles, etc.
Ready-to-Eat Meals
Self-heating meals, frozen meals, pizza, etc.
Fruits & Vegetables
Durian flesh, dates, olives, young leaves, carrots, chestnuts, sweet corn cobs, microgreens, salads, pickles, potatoes, strawberries, blueberries, dried fruits, etc.
More Food
Pet food, dog/cat treats, rice packets, beans, legumes, etc.
Medical Supplies
Medical masks (N95, disposable), protective clothing, medical devices, cotton swabs, etc.
Personal Care
Facial masks, electric toothbrush heads, etc.
Industrial & Hardware
Chemical products, hardware tools, electronic components, etc.