Details

Semi-automatic Ton Bag Packing Machine

The semi-automatic ton bag packaging machine uses manual bag hanging and automatic weighing and filling, eliminating the need for a fully automatic bag-loading robot. The operator simply puts the ton bag on, hangs it, and clamps it; the machine automatically completes the feeding, weighing, fast/slow feeding, automatic stopping, dust removal, and bag loosening. The operator then manually ties/sews the bag closed. Suitable for 500–2000kg ton bags, granular, powder, and lumpy materials. It offers the best cost-performance ratio and is the most widely used in factories.

Ⅰ、Core Components

  • Main Frame: Vertical frame, filling and feeding port, bag clamping device
  • Weighing System: Weighing sensor + weighing instrument / PLC, accurate quantitative feeding
  • Feeding Mechanism

Granular materials: Gravity feeding

Powder / Fine powder: Screw feeder, vibrating feeder

  • Bag Clamping + Lifting Mechanism: Pneumatic bag clamping, lifting and lowering, filling without bag breakage
  • Dust Removal System: Bag filter / Negative pressure dust collection, minimal dust emission
  • Electrical control system: Touch screen, one-button start/stop, automatic tare, weight memory

Ⅱ、Workflow (Simplest and easiest to understand)

  • Manually hang the ton bag on the machine frame hook, covering the bag opening with the feeding port.
  • Press start; pneumatic automatic clamping of the bag opening seals and prevents dust leakage.
  • Fast feeding → slow feeding for accurate weighing.
  • Automatic stop at the set weight.
  • Manually release the bag clamp, lift the ton bag, manually seal and stack.

Ⅲ、Main parameters (Standard model)

  • Packaging weight: 500~2000kg
  • Weighing accuracy: ±0.2%~±0.5%
  • Capacity: 10~25 bags/hour
  • Power supply: 380V three-phase
  • Air supply: 0.5–0.7MPa
  • Contact material: Ordinary carbon steel / Optional 304 Stainless Steel
  • Supported Materials: Granules, powders, small lumps, dry powder, mineral powder, grains, chemical materials, etc.

Ⅳ、Advantages

  • Low Price: Much cheaper than fully automatic and rotary machines, low investment
  • Simple Operation: Ordinary workers can learn to operate it in half a day.
  • Extremely Low Failure Rate: Simple structure, no complex robotic arms.
  • Small Footprint: Can be placed as a standalone unit, no large space required.
  • High Versatility: Easy to adjust when changing materials or ton bag sizes.

Ⅴ、Disadvantages

  • Requires 1-2 people to assist with bag hanging, bag removal, and sealing.
  • Lower production capacity than rotary and fully automatic ton bag machines.
  • Not suitable for ultra-high-volume production lines.

Ⅵ、Applicable Industries

Cement, fly ash, lime powder, sand and gravel, grains (corn and wheat), feed, chemical granules, plastic particles, mineral powder, graphite, lithium battery raw materials, dry mortar, etc.

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ModelWTBJ-1TML-ZDPower supplyAC380V±10% 50Hz±0.5Hz
Packing speed8-15 bag/hAmbient temperature-15℃-45℃(unfrozen)
Packing specification500-1000 kg/bagTotal powerApprox. 5.5kW
Packaging accuracy±0.2%FSAir supplyPressure: 0.5-0.7MPa
Equipment size2200(L)×2000(W)×3645(H)mmMaterial304 stainless steel /Q235 carbon steel spray

 

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