Net weigh packaging station that receives fiber strand from a cleated belt conveyor (or other feeding mechanism), accumulates by weight the correct amount for one bag weighing, compresses and discharges the product into a bag for closing by operator.
The process includes the operator placing the bag on a bag clamp spout.
The bag is held in place by the bag clamps while the product is metered into the weigh chamber until the correct amount of product has been dispensed.
Then the sidewalls of the chamber close, which opens the bottom of the net weigh chamber doors, and as the product is compressed by a plunger it is also pushed down into the bag.
As the plunger retracts the bag is released.
Components
Weigh system will be Taylor T-4000 meter with AB PLC unit mounted in NEMA 12 enclosure and placed on remote enclosure stand.
Wing press feeder system will receive material from belt conveyor and distributes it with adjustable fingers controlled by VFD system into net weigh chamber.
Weigh mast design with single load cell for support of the net weigh bucket and compression plunger.
Powered bag support system with motor, drive and location sensors.
Net weigh chamber with discharge gate and compression sidewalls.
Bag spout with clamps to hold the bag in place during fill and compression.
Bag support tray for support during compression.
Side guide plates which hold and form bag during compression.
Compression plunger system.
AB Micro 1400 PLC control package with interface for in feed conveyor system.
Additional Options Added
Dual pressure regulator and valve system which will clamp bags at lower pressure when foot switch is used and then increase to higher pressure when double palm switches are activated.
Increased compression cylinder size and increased wing press cylinder size due to material resistance.
Hopper and wings will be UHMW lined for friction reductions.
Upgrade UHMW material to electrical conductive carbon based UHMW polyethylene for static reduction (material will be black in color due to carbon injection).
General Specifications
Carbon steel construction with acrylic enamel finish.
Requires 115 V AC 60 Hz and 460 V AC 60 Hz.
Compressed air must be clean and dry.
Operating temperature range of 32°F to 110°F.
Incline Slat Conveyor
Open slatted type belt conveyor for transport of loose product from grade (48) to approximate 12 ft discharge height.
Conveyor is approximately 25 ft long overall horizontal with a 30 degree incline from inlet to discharge.
Nominal 28 in wide conveyor body open access while transporting product.
24 in wide belt.
3 in tall cleats on 12 in centers.
1 HP drive.
Controls with VFD.
With short inlet transition.
24.00 in wide x 6 ft infeed (at 0 deg incline), 30 deg lower curve, 16.5 ft discharge at 60 fpm.
Conveyed material: load per ft of conveyor: 10 lbs material.
Conveyed: chopped fiber.
Motor: MTR 1.00 HP 56C AC 230/460/3/60.
Pulley, infeed end: crowned face plain, 8.0 in diameter x 1.438 in bore x 24 in W, A hub.
Pulley FF, 12.0 in diameter x 3 in W 1.69 in bore type D hub.
Pulley, drive: crowned face rubber lagged, 8.0 in dia x 1.438 in bore x 24 in W, A hub.
Belt, non-stock: 24 in wide 4 ply white cross rigid RMVXBB lace #20 alligator steel.
Recess belt edges 3.
Cleat height: 3.
Cleat centers: 12; corrugated sidewalls 3 in high; (14 in EW).
1.0 frame: formed 12G steel 13 in deep, 28 in wide.
#4 heavy duty supports (2) pairs on horizontal for 48 in TOB.
(2) pairs on incline for discharge of 148.6 in BOF.
249.5 in OAHL.
Std infeed, bolt on bottom pan.
Vertical rails: 6 in high.
Lower curve, bolt on bottom pan.
Vertical rails: 6 in high.
Drive: end drive, 45 deg.
Top mt, right angle solid shaft gear reducer.
Infeed facing, RH side, bolt on bottom pan.
Vertical rails: 6 in high.
Paint, steel components: NLE blue.
3 sided hopper 18 in L x 6 in H.
Bag Dump and Meter System
Bag dumping system to accept filled bulk bags from customer supplied lift system into a feeder magazine that slowly meters the product to the discharge end and uses an agitator to segregate and dispense loose product into an incline conveyor for transport up to wing press packaging station.
Unit will have agitator at discharge end of feeder box.
Cleated belt conveyor bed incorporated at bottom of feeder box.
Type 1 V-belt guided and cleated conveyor.
48.00 in wide x 6 ft long.
Conveying speed: 1-3 fpm.
Conveyed material: load per ft of conveyor: 10 lbs material.
Conveyed: chopped fiber.
Motor: MTR 0.33 HP AC 230/460/3/60 inverter duty motor.
Belt: 48 in wide PVC 120 cover x FS (thermo) with #1 unibar lacing with 1 in tall cleats on 6 in centers – V guide A section centered and 1-1/2 in H corrugated side walls.
Frame: formed V guided 10 G x 6.625 in deep steel.
#3 medium duty supports (2) pairs on horizontal for 48 in TOB.
Bolt on bottom pan full length.
Vertical rails: 6 in high full length.
Gearbox drives and with VFD drives used to control speed of flow.
Discharge spout to direct product into incline conveyor.
Sensors and PLC controls as required to operate this system including a remote and local control box.
Enclosures are NEMA 12 dust tight.
Hopper and contact surfaces will be 304 stainless steel construction.
Open design grate will be supplied which will distribute weight above feed belt but not restrict flow (testing will determine design and need for grate).
Factory assembled ready to operate.
Carbon steel construction for structural frame and non-contacts with acrylic enamel finish.
Unit will contain controls and sensors for communication with full system.
Requires 115 V AC 60 Hz and 460 V AC 60 Hz.
Compressed air must be clean and dry.
Operating temperature range of 32°F to 110°F.
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