Automated Batching and Mixing System for Paving Stones and Curbs

Project Description

Fully automated batching and mixing station for the production of concrete paving stones and curbs, integrating raw material storage, gravimetric dosing, mixing, and conveyor transfer to the forming press.

Industries

  • General Manufacturing

Automation Level

  • Automated

Application Category

  • Conveying & Transport
  • Material Handling

Project Overview

Automated production line for preparing concrete mixtures used in paving stones and curb manufacturing.

The system integrates raw material storage, precise gravimetric dosing, controlled mixing, and direct transport to the forming press, ensuring consistent quality and repeatability.

Application Scope

  • Storage of cement (white and grey) in dedicated silos

  • Separate storage of multiple sand grades

  • Individual tanks for three different additives

  • Controlled water and pigment dosing

  • Automated mixing and discharge

  • Direct conveyor feeding to paving press

Designed for continuous industrial operation with minimal operator involvement.

Technical Solution

Complete automated batching system including:

  • Cement silos and sand storage bins

  • Gravimetric dosing for cement, sand, and additives

  • Controlled dosing of water and pigment

  • Industrial mixer for full homogenization

  • Conveyor system for automatic discharge to press

Automation platform:

  • Omron CJ1M PLC with digital and analog expansion modules

  • Omron touchscreen HMI

Main functions:

  • Stored product recipes

  • Automatic dosing control

  • Full mixer and conveyor control

  • Real-time parameter monitoring

  • Integrated alarms and safety protections

Operating Principle

The operator selects the desired recipe from the HMI interface and starts the production cycle.

The system automatically:

  1. Doses cement, sand, and additives gravimetrically

  2. Adds water and pigment according to recipe parameters

  3. Mixes all components until full homogenization

  4. Discharges the final mixture onto the conveyor

  5. Feeds the forming press without manual intervention

Key Benefits

  • High dosing precision
  • Perfect batch-to-batch repeatability
  • Fast recipe changeover
  • Single-operator supervision
  • Increased productivity
  • Reduced human intervention
  • Robust industrial design

Integration & Know-how

The entire installation is designed for fully automated operation under the supervision of a single operator.

Our expertise includes:

  • PLC programming and system architecture

  • HMI configuration with recipe management

  • Gravimetric dosing integration

  • Industrial mixer control

  • Conveyor synchronization with forming press

  • Commissioning and industrial validation

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