Concrete Block Making Machine for Blocks and Paving Products
The QGM T12 automatic concrete block making machine combines German technology with intelligent control for flexible production of blocks, pavers, and curbstones. It supports selected recycled materials, enabling versatile concrete product manufacturing for infrastructure and landscaping applications.
Ⅰ.Block Machine Overview
The QGM T12 concrete block making machine is a high-performance automated forming system developed on an advanced German technology platform and further enhanced with intelligent manufacturing technologies. Designed for modern concrete product production, the T12 combines automated operation, precise forming control, flexible product configuration, and robust machine construction to support stable and consistent manufacturing.
The T12 is designed to process a broad range of recycled and mineral-based raw materials, subject to material characteristics, mix design, and applicable production requirements. Potential feedstocks include metallurgical solid waste, construction and demolition waste, mining residues, steel slag, coal gangue, fly ash, sludge, and sand-washing slurry.
This material flexibility allows manufacturers to explore locally available secondary raw materials while producing different types of concrete products. Depending on the mold configuration, the T12 can manufacture concrete blocks, concrete curbstones, stone-look precast concrete products, paving blocks, permeable pavers, and other molded concrete products.
The machine can be applied to urban infrastructure, municipal road construction, sponge-city projects, landscaping, civil engineering, and other concrete product applications.
By combining automated forming technology, flexible mold configurations, and recycled-material utilization, the T12 provides a practical concrete block making solution for recycled materials and diverse concrete products.
Ⅱ.Block Machine Specifications
Model
Products | External Dimensions | Appearance | Number of Molds (molds/die) | 8-hour Production Capacity | ||
T12 | T12S | T12 | T12S | |||
Hollow Blocks | 390x190x190mm |
| 12
| 12
| 13,824-17,280
| 13,824-17,280
|
Standard Blocks | 240x115x53mm |
| 60
| 72
| 86,400-115,200
| 103,680-138,240
|
Dutch Blocks | 200x100x60mm |
| 42 | 50 | 48,384-60,480 | 57,600-72,000 |
Model | T12 | T12S |
Pallet Size | 1400×900 mm / 1400×870 mm | 1400×1150 mm |
Max Molding Area | 1250×820 mm | 1100×1050 mm |
Product Height | 40 - 500 mm | 40 - 300 mm / 40 - 500 mm |
Cycle Time | 15 - 25 S | 15 - 25 S |
Vibration Type | Table Vibration | Table Vibration |
Control System | SIEMENS | SIEMENS |
*Production output may vary according to product dimensions, mold configuration, raw material characteristics, mix design, and actual operating conditions.
Ⅲ.Technical Advantages
1. Four-Axis Servo Vibration System for Accurate Compaction Control
The T12 uses a four-axis servo vibration system to provide precise control over excitation during the concrete forming process.
Independent Servo Drive and Synchronized Transmission:
Four independent servo motors drive four eccentric assemblies. Flexible couplings support synchronized power transmission, helping maintain stable and coordinated vibration during the forming cycle.
Balanced Mechanical Configuration:
The four eccentric assemblies are arranged symmetrically around the center of the vibration system. During operation, opposing horizontal vibration forces counterbalance each other, concentrating the effective excitation in the vertical direction.
This configuration helps reduce unnecessary resonance and mechanical wear while supporting stable vibration transfer to the concrete material.
Continuous Adjustment for Different Production Recipes:
The servo system allows the excitation force to be adjusted continuously from 0° to the maximum available setting. Vibration parameters can be adapted to different product formulations and forming requirements, helping improve concrete compaction, dimensional consistency, and overall production stability.
For manufacturers looking for a servo vibration concrete block making machine, this system provides greater control over the forming process across different product configurations.

2. Airbag Quick-Change System for Faster Mold and Press-Head Replacement
The T12 incorporates an airbag-based quick-change system designed to simplify mold-frame and press-head replacement.
Air-Spring Mold Frame Clamping:
Instead of relying on conventional mechanical locking, the system uses controlled inflation and deflation of air springs to secure and release the mold frame. The arrangement provides rapid response, consistent clamping force, and accurate positioning during mold installation.
Airbag Press-Head Quick Locking:
The press head also incorporates an airbag locking mechanism, allowing installation and replacement to be completed efficiently during maintenance or product changeovers.
Coordinated Press-Head Vibration:
High-efficiency vibration motors are installed on both sides of the press head and operate together with the main vibration system. This coordinated excitation helps distribute force more evenly across the concrete during compaction, supporting consistent dimensional accuracy and surface quality.
For plants manufacturing multiple concrete products, the system supports efficient quick mold change concrete block production and simplified equipment maintenance.

3. Vibrating Press-Head System for Uniform Compaction and Flexible Maintenance
The T12 vibrating press head combines quick-locking functionality with additional vibration capability to improve forming flexibility.
Airbag Quick Locking for Efficient Servicing:
The airbag-based locking structure allows the press head to be installed, secured, and replaced efficiently. This can simplify routine maintenance and reduce manual intervention during product changeovers.
Synchronized Press-Head Excitation:
Vibration motors mounted on both sides of the press head work in coordination with the main vibration system. The combined excitation helps distribute compaction forces more uniformly through the concrete mixture.
This configuration supports consistent product density, dimensional accuracy, and surface finish across different concrete product applications.

4. Rapid Mold Pushing Device for Automated Mold Handling
The T12 is equipped with a rapid mold pushing device that automates key mold-handling operations.
Automatic Mold Insertion and Positioning:
The system performs mold pushing, positioning, and withdrawal automatically, reducing the need for conventional manual mold assembly and removal.
Shorter Changeover Procedures:
Automated mold handling helps reduce the time required for mold replacement and supports faster transitions between different product specifications.
This is particularly useful for manufacturers producing multiple concrete products on one fully automatic concrete block production line, where flexible mold changes are an important part of daily operation.

5. Hydraulic Drive Feeding System for Controlled Material Distribution
The T12 uses a hydraulic drive feed system to regulate the distribution of base concrete material into the mold cavities.
Adjustable Hydraulic Feeding:
The hydraulic cylinders provide controlled thrust and operating speed, helping achieve stable and uniform filling of the mold cavities.
Consistent Material Distribution:
Controlled feeding helps reduce material blockage, leakage, and uneven distribution during the filling process. More consistent material placement provides stable conditions for subsequent vibration and pressing.
For manufacturers processing different aggregate compositions or recycled raw materials, controlled material feeding is an important part of maintaining consistent forming conditions.
This makes the system suitable for applications involving concrete block production with recycled aggregates, provided that the raw materials are properly prepared and meet the requirements of the intended products.

6. 360° Arch-Breaking and Hydraulic Feeding System for Stable Material Flow
The T12 combines continuous 360° arch-breaking with hydraulic base-material feeding to improve material flow and mold filling.
360° Rotary Arch-Breaking:
An independent gear motor drives wear-resistant stirring blades through continuous 360° rotation. The blades operate in coordination with the material distribution process to address arching conditions across the hopper and help prevent material bridging and blockage.
The modular blade design also facilitates replacement of wear components when required.
Hydraulic Base-Material Distribution:
The hydraulic feeding mechanism controls cylinder thrust and operating speed to distribute the base concrete mixture evenly throughout the mold cavity.
Together, the two systems help maintain stable material flow and consistent mold filling while reducing interruptions caused by material bridging or blockage.
This configuration is particularly relevant to a block making machine for recycled materials and industrial solid waste, where raw material flow characteristics can vary according to the feedstock.

7. Integrated Hydraulic Power Station for Stable Continuous Operation
The T12 hydraulic system adopts an integrated modular power-station design that combines hydraulic power, control components, and oil circuits into a unified assembly.
Compact Integrated Configuration:
Compared with conventional split-type hydraulic layouts, the integrated design reduces external piping connections and helps lower potential leakage points. It also creates a more organized system structure for inspection and maintenance.
Stable Hydraulic Performance:
The system is designed to provide responsive hydraulic operation and stable pressure control during continuous forming cycles.
Its integrated configuration supports the requirements of long-term automated production while simplifying routine hydraulic inspection and servicing.
For manufacturers operating a high-performance automatic concrete block making machine, stable hydraulic performance is essential for coordinating feeding, pressing, mold handling, and other forming operations.

Ⅳ.Production Line Layout

Ⅴ.Block Samples and Application Scenarios

Ⅵ.Videos
Interested in our products? Contact QGM today to discuss your project requirements. Submit your inquiry online or call us at +86-595-8679-9299. Our team is ready to assist you.












