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Duplex One Head Linear Weigher 20L

Duplex One Head Linear Weigher 20L

What is Linear Weigher? The Linear Weigher feactures high speed, high accuracy and high productivity. Offered in 1, 2, 3 and 4 head configuration, also offered in single vibrated feeder pan and duplex vibrated feeder pan. And each head includes a dedicated load cell which ensures a high precision. It's also a reliable approach to weighing a huge range of products, one of the most cost effective methods for weighing bulk materials to relieve labour intensity and improve working efficiency. Typically weighing and packing Fresh Vegetable, Salad, Hardwares, Confectionery, Frozen Foods, Snack Foods, Nuts and Pulses, Tea and Coffee, Dried Foods, Pet Foods, Dry Bady Foods, Seeds, Grain, Rice, Sesame, Melon Seeds, Food Additives, Sugar, Chicken Essence, Muesli, Fertilizer, Feed etc. How the Linear Weigher Works? Operator enters the parameters for the weight with upper and lower limits, also speed and central plate parameters, thus the weigher automatically regulates with preset paramters. Easy for integration with downstreams, such like Z Bucket Conveyor, Working Stand/Platform, Mini Doypack Machine, Output Conveyor, Metal Detector, Weight Checker, Rejector System, Collecting Table etc. The modular construction makes cleaning easy and keeps mainteance to a minimum. Once 80% of the target weight has been loaded, the system switches to a dribble feed for the final 20%, thus ensuring optimum accuracy. The percentages of fast feedm dribble feed is configurable to specific products to allow greater throughput. Once weighed, the operatordepresses a foot pedal or pushes the drop button and product travels through stainless steel outlet chute.

Product Details

one head weigher 20L1

one head weigher 20L2


Typically weighing and packing Fresh Vegetable, Fruit, Salad, Hardwares, Confectionery, Frozen Foods, Snack Foods, Nuts and Pulses, Tea and Coffee, Dried Foods, Pet Foods, Dry Baby Foods, Seeds, Grain, Rice, Sesame, Melon Seeds, Food Additives, Sugar, Chicken Essence, Granola, Muesli, Fertilizer, Feed, Black Cumin, Currant,  Pistachios, Berries, Tomato Chips, Chocolate Nuts, Fodder, Tablet, Pepper etc.

one head weigher 20L4

one head weigher 20L3

one head weigher 20L7

1. MCU (Microcontrol Unit)

2. Terminals of Electronic Devices (Weidmuller Brand)

3. Filter (Improving Load Cell's Anti-jamming Ability)

4. Main Switch (CHNT or Optional Schneider)

5. PCB Modular Board (For Motor/Vibrator/Load Cell/Weigher Hopper)

6. PCB Modular Board (For Motor/Vibrator/Load Cell/Weigher Hopper)

7. PCB Modular Board (For Motor/Vibrator/Load Cell/Weigher Hopper)

8. PCB Modular Board (For Motor/Vibrator/Load Cell/Weigher Hopper)

9. Main Power Supply (For Entire System) 

Multihead weigher01

Mechanical Structure:

  •  Duplex one Head with 20L Hopper

  •  Free Drop Linear Weight Filler

  •  Feeding Materials by Conveyor

  •  Food-grade SUS304 Contact Parts

  •  Unqiue Design with Dribble Feed Gate

  •  Tool-free and Quick to Remove for cleaning

  •  Vibrating Bases with Precise Vibration Angles

  •  Cleanable Smooth Structure with no Hidden Crevices

Software Information:

  •  Automatic Smart Linear Weigher

  •  Step Motor Driving System

  •  Program Memory up to 99

  •  Easy & Fast Self-learning Software

  •  An Accurate Dosage of Product and High Level of Hygiene

  •  Heavy Duty Load Cell, Drastically Reduce Products Giveaway

  •  Digital Sensor to Enhance the Speed / Precision / Anti-jamming Capacity

  •  Vibratory Feeder is the Perfect Solution for Precise Feeding and Weighing

  •  The H.M.I is a Colorful Touch Screen with Our Own Developed Software

  •  Programmable Touch Screen Provides Precise Selection and Adjustment of Filling Amount

  •  Touch Screen Provides a Selection of Machine Functioning such as Easy Setup / Operation / Monitoring Processing

  •  Load Cell Controlled Weighing System, Which Ensures Highly Efficient Weighing, Easy Calibration and Weigh Setting thus Reducing Weighing of Changeover 

one head weigher 20L9

1. Z Elevator ———— Vertically lift the bulk material to the scale feed hopper by motor driving

2. Filling Machine ———— Auto dump the preset portion weight to the downstream units

3. Compact Platform ———— Used to support filling machine

4. Doypack Machine ———— Auto finish preformed pouches pickup-open-fill-seal-output

5. Output Coveyor ———— Inclined output the finished products t downstream units

6. Metal Detector ———— Inspect if the package contains any metal or stainless steel

7. Weight Checker ———— Online dynamic check if the package weight is acceptable

8. Rejector System ———— Retrieve the rejected package with over/less weight or metal parts

one head weigher 20L8

Packaging & Shipping:

- Fumigation Certificated of Wood Packaging for Oversea Shipment

- Inner Plastic Film Wrapping Protect the Goods from Salting, Wind or Damage

- Shipping terms: EXWORK, FOB, C&F, CIF terms by Sea-shipment or Air-Shipment


Company Information:

Established in 2011, Weighlin dedicated in food weighing packaging machines, included high speed high precision multihead weighers, economical practical linear weighers, dynamic weight checking and grading, performed pouches packing machine, high quality accessories such as platform and conveyors, also full feeding weighing packaging inspecting line,etc, also other related customized packaging machines. Quality packaging solution is from Weighlin years of focus and understanding of the packaging industry. Weighlin strives for perfection in the pursuit of quality, while taking into account easy to operate, easy to disassmble, easy to clean, small investment, stable performace, so that the packaging carry, deliver and create value.

About Us




A. What is Welin's motto about packaging?

     Packaging carry deliver and create Value. 

B. When Welin started and what's your main products?

     Welin is established in 2011 and there are more than 10 years background R&D and salesman staffs with professional knowledge.

     Our main products are included new generation modular control linear weigher, multihead weigher, checkweigher and metal     detector, mini premade pouch packing machine and mini VFFS, and complete turnkey packing line solution as well. 

C.  Why choose Welin packaging?

     1. Competitive Price.  As a original manufacturer, we have our own modern workshop processing facility from laser, folding and welding machining, experienced staff and quality control system, we can control good quality and cost by ourself. 

     2. Prompt Response.  Well-trained and know-how salesteam, working 24/7 to make reaction to the inquiries and questions all the time within 12 hours. 

     3. On time delivery. The products ordered are always delivered on time,which not only helps in saving time but also cost for our customers.The timely delivery enssures our customers to inspect the products well before there proper usages. We also value our punctuality and offer our customers trouble free products.

     4. Honesty and professionalism marketing policy. We always stand by your side. We are dedicated to give our customers the best services possible with complete honesty. Professionalism to the complete satisfaction of our customers.

      5. Low Maintenance. The products delivered according to our customers requirements not only excellent in quality but also prove to be of low maintenance. 

      6. Parts and accessories storage. we have well stocked parts and accessories for each and every machinery. 

D.  What's Welin service support?

      Pre-Sales Service (Inquiry and consulting support. Sample testing support. View our Factory)

      Mid-Sales Service (Update the production progress with photo and video, Material or pouch testing running)

      After-Sales Service (Installation training, Operation training; Engineers are available to service overseas)

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