QT12-15 Automatic Block Making Machine
The QT12-15 Block Making Machine is a high-performance construction equipment for mass-production of various concrete blocks (hollow, solid, paving, curb stones etc.). Integrating advanced technology, it ensures stable operation, high efficiency and superior quality, ideal for construction material manufacturers and large-scale projects.
▪ High Efficiency: Full-auto feeding, molding & demolding system cuts labor and speeds production.
▪ Superior Block Quality: High-frequency vibration ensures uniform compaction,with ≥15MPa compressive strength&low water absorption.
▪ Versatility: Compatible with multi-type molds, enabling quick switch between block sizes/styles to meet diverse construction needs
▪ Durability: Q235B steel with advanced heat treatment, boosting wear resistance and longevity.
▪ Easy Operation: PLC control system & user-friendly touchscreen for stable performance with intelligent automation
Applicability of multiple raw materials
▪ slag
▪ sand
▪ fly ash
▪ slag
▪ gangue
▪ gravel
▪ shale
▪ sand
▪ crushed stone
▪ cement
▪ limestone
▪ gypsum
▪ other industril&construction waste
Diverse Block Types:
▪ Hollow blocks
▪ Solid bricks
▪ Porous bricks
▪ Paving stones
▪ Curb stones
▪ Slop protection bricks
Extensive Application Fields:
▪ Construction:
Residential projects
Commercial projects
Infrastructure projects
▪ Landscaping:
Paving stones, garden edging, slope protection bricks.
▪ Industrial Use:
Heavy-duty flooring and structural components.
QT12-15 Main Technical Specifications |
Overall Dimension |
9350*3200*2900mm |
Rated Pressure |
21 MPa |
Main Vibration Form |
Platform Vibration |
Vibration Frequency |
2800-5100r/min |
Pallet Size |
1300*900*30mm |
Molding Cycle |
15-25s |
Exciting Force |
110 KN |
Main Power |
67 kW |
QT12-15 Main Production Specification & Theoretical Productivity |
Block Type |
Size(mm) |
QTY/Mold |
Molding Cycle |
QTY/Hour |
Holand paver |
200*100*60 |
38pcs |
18-23s |
5948~7600pcs |
I paver |
200*160*60 |
25pcs |
18-23s |
3913~5000pcs |
Solid Brick |
240*115*53 |
62pcs |
15-17s |
12700~14400pcs |
Hollow block |
390*190*190 |
12pcs |
20-25s |
1728~2160pcs |
Core Components & Details
Cost-effective Three-phase Asynchronous Motor
1.High Energy Efficiency
12-20% less energy vs older models; stable continuous operation
2.Heavy-Duty Durability
IP55 protection (dust/water resistance); oil-bath bearings (10,000+ hour maintenance intervals)
3.Intelligent Control Integration
Auto-tuning + Siemens PLC; real-time monitoring; high-frequency vibration & low-frequency feeding
4.Harsh Environment Reliability
F-Class insulation (≤120°C tolerance); dust-proof (99.9% operational reliability)
5.Cost-Effective Operation
30-50% lower annual maintenance vs hydraulic drives; 10+ year service life (industrial-grade parts)
Intelligent PLC Control System - High Precision, and Eco-Friendly Design
▪ Control Unit: PLC + supporting components
▪ Key Features: Auto-diagnosis, remote monitoring, multi-mold adaptability
▪ Benefits:
30% faster production
40% labor cost reduction
70% waste recycling
99.5% stablity
Minimal down time
▪ Case Study: A Southeast Asian client achieved 50% output increase using Maxport's PLC system with fly ash recycling.
Integrated Hydraulic System
▪ High-pressure pump unit: Delivers steady pressure for brick compaction
▪ Integrated valve block: Optimizes flow control and enhances energy efficiency
▪ Oil tank with temperature alarm: Automatically monitors and regulates operating temperatures
▪ Quick-connect hydraulic lines: Reduce maintenance downtime by 30%
▪ ≤0.5s reponse
▪ Pressure accuracy: ±1% of rated pressure (16-25 MPa)
▪ Energy-saving design: Dynamic pressure adjustment lowers standby power consumption to ≤80W
Molds - durability, precision, flexibility
▪ Unmatched Durability
manganese steel + carburizing-quenching heat processing = surface hardness of HRC 55-60
▪ Micron-Level Precision
Advanced wire EDM = strict dimensional tolerances of ±0.1mm
▪ Rapid & Flexible Changeover
quick-lock clamping mechanism + PLC pre-programmed recipes = supports over 50 brick types with 10-minute changeovers
▪ 50% longer Service life = exceeds 100,000 pressing cycles, reducing replacement frequency and lowering costs.
Efficient Material Feeding System
• Precision: Anti-clog design + high-speed stirring = ±5% weight deviation and <±15% strength deviations
• Versatility: Handles clay, concrete, fly ash, and 70% recycled aggregates; spring scraper adapts to material viscosity.
• Automation: PLC syncs with vibration platform (15% higher density); hydraulic conveyor adjusts speed for 12-15s cycles.
• Eco-friendly: 30% less material waste; compatible with high-recycled mixes for sustainable production.
Pneumatic Springs:
▪ 30% less vibration transfer, longer component life
▪ 25% higher brick compaction via stable vibration
▪ Adapts to 80%+ raw material types
Dynamic & Static Platform:
▪ Static: 15% fewer size deviations (stable positioning)
▪ Dynamic: 20% higher brick density (enhanced compaction, bubble removal)
▪ Combined: 40%+ stability; 30% less mold wear; 25% lower maintenance cost
Lengthened Vibration Shaft & Box:
▪ 30% expanded vibration coverage offered
▪ 20% higher vibration force provided
▪ 25% enhanced compaction uniformity delivered
▪ 100% oil-tight cast-iron box adopted
▪ 50% reduced maintenance frequency featured
▪ 20% diminished energy consumption achieved
▪ ≤75dB noise
▪ 40% extended service life ensured
Optional Auxiliary Equipments
Installation Instructions
Customizable Complete Fully Automatic Block Production Line

Packaging & Shipping
About Maxport
30+ year experence in the industry
The top 10 block making machine exporter in China
2 of every 10 block/brick making machines Exported from China are Ours
Company Scale
- 4 Modern Production Bases.
- Total land area: 290,000 m² (approx. 29.07 hectares).
- Workshop space: 86,000 m².
- Over 1120 skilled technical staff, including R&D team with more than 86 engineers.
- 300+ advanced machining and inspection equipment.
- Annual production capacity:7000sets of various machinery
- Annual Output Value: RMB 220 million (approx. USD 30 million).
- Global Reach: Products exported to 80+ countries and regions in Eurasia, Africa, the Middle East and the Americas.
Core Business
Specializing in designing and manufacturing a comprehensive range of equipment:
Concrete block machines (standard and customized models)
• AAC production lines
• Cement roof tile machines
• Pipe forming machines
• Mixing plants, pressure machines, stacking systems and more
Our product portfolio include 10+ major series and over 50+ models to meet diverse constuction needs.
Customer Cases and Feedback
Our Clients are from allover the World:
▪ One Middle East brick machine wholesaler visits our factory to inspect brick machines and AAC production lines.
▪ A wholesaler from India bought two QT8-15 block making machines at our factory
▪ South African major brick factory client bought brick machines at the factory to expand production.
▪ Our products span over 80 countries and regions across Eurasia, Africa, the Middle East, and the Americas, contributing to the local construction industries.
Client voices - Reliable machines, enduring service, transparent partnerships
▪ Partnering with them, tangible value-not empty claims-shapes daily experience.
▪ Their brick machines, meeting strict international standards (CE, ISO) with rigorous pre-ship checks, deliver consistent reliability, minimal downtime.
▪ Enduring after-sales support-prompt remote help, on-site training, timely parts, proactive upgrades-reflects their commitment to equipment.
▪Partnerships:transparency (no hidden terms), clear communication, attentiveness-rooted in trust, beyond business
Q: How can I get an accurate quote?
A: Please provide us with more details, like your required product types(brick shapes/sizes), output per day or per shift(8 hours) as well as your materials and budge, etc.
Q: What are the accepted payment terms?
A: Our standard terms are T/T (30% in advance and the remaining 70% before delivery) or L/C at sight. We also support the Made-in-China platform guarantee service for added security.
Q: Is my money safe ?
A: Surely, your money is protected by the made-in-china platform.
Q: What is the estimated delivery time for the original brand new product?
A: The estimated delivery time for the original brand new product is 4-6 weeks after receipt of deposit(depending on the machine model).
Q: Do you have your own shipping agent for handling international shipments?
A: Yes, we have a dedicated shipping agent who manages all international shipments to ensure timely delivery.
Q: What's your warranty period, and what does it cover?
A: • 3-month warranty for key parts starting from the installation date, covering manufacturing defects and component failures
• 1-year full machine warranty from the installation date
• lifetime support with professional technicians available for installation guidance and troubleshooting.
Q: Do you offer overseas installation and commissioning service?
A: Yes. Our experienced engineers can travel to your site for installation, training, and commissioning service. We also provide 24/7 online video technical support.
Q: What should I do if I encounter an issue after installation?
A: We provide round-the-clock support. Contact our technical team via phone, email, or video call for remote troubleshooting and issue resolution; on-site engineers will be dispatched as needed.
Q: Can I customize machines?
A: Yes.We provide OEM/ODM services to customize machine specifications, colors, molds, and automation levels to your needs. Share details, and we'll deliver a tailored solution.
Q: What should we consider regarding site preparation?
A: Ensure adequate land (e.g., approx. 10,000 m² for a plant), stable foundations, reliable power supply, and access for installation equipment. Proper site preparation shortens installation time and mitigates operational risks.