Small Manufacturing Machines Qt4-15 Qingdao Hf Machinery Chinablockmachine Block Making Machine

• Customization: Available
• After-sales Service: Online Guided Installation or Engineer on-Site
• Warranty: 1 Year
• Model NO.: QT4-15
• Certification: CE, ISO
• Customized: Customized
• Automatic Grade: Automatic
• Type: Hydroforming
• Power Type: Hydraulic
• Brick Type: Hollow Block, Solid Brick, Paver Brick
• Mold Material: Manganese Steel
• Molding Cycle: 15-20s
• Host Machine Power: 21.75kw
• Rated Pressure: 16MPa
• Main Vibration Form: Platform Vibration
• Vibration Frequency: 2800-5100r/Min
• Pallet Size: 900*550mm
• Exciting Force: 50kN
• Ease of Operation: Easy to Operate
• Labor Cost: 4~6 Workers
• Voltage: 220V/380V/440V
• Color: Customized
• Condition: New
• Transport Package: Full Container
• Specification: 5900 x 2200 x 2400 mm
• Trademark: Maxport
• Origin: China
• HS Code: 8474802000
• Production Capacity: 7680 Pieces for 8\" Hollow Block Per Day
• Package Size: 590.00cm * 220.00cm * 240.00cm
• Package Gross Weight: 3443.000kg
• Lead Time: 15 days (1 - 1 Sets) ; To be negotiated ( > 1 Sets)

Product Description

Product Description

QT4-15 Automatic Block Making Machine

The QT4-15 Block Making Machine is a cutting-edge solution for producing high-strength concrete blocks, pavers, curbstones, and eco-friendly construction materials. Engineered with dual-coupled vibration technology and intelligent PLC control, this machine delivers 5,000-7,000 blocks/8 hours (varies by size) while ensuring 2.3 g/cm³ density and 20%+ mold lifespan extension. Ideal for construction, infrastructure, and landscaping projects globally, it integrates sustainability by recycling industrial waste (fly ash, slag) into premium products.
  

1.High-Efficiency Production
▪ Rapid Molding Cycle: 15-20 seconds per cycle, producing 5,000-7,000 hollow blocks/8 hours (varies by size).

▪ High-Density Output: Produces blocks with 2.3 g/cm³ density (compressive strength ≥20MPa).
 

2.Advanced Technology & Precision Engineering

▪ Intelligent PLC Control: Easy operation, smart fault diagnosis, streamlines production.

▪ Hydraulic Proportion Control: Dynamically adjusts oil pressure/flow, cutting energy use by 25% vs industry standards.
 

3.Multi-Purpose Versatility: with customizable molds, unlock the potential to create a variety of block types simply by changing molds, offering unmatched flexibility
 

4.Robust Construction & Durability: High-Strength Steel Frame, Precision-welded structure with seismic resistance and chrome-plated guideposts for minimal wear.

 

Why Choose QT4-15?
 

▪ Patented Innovations: Dual-coupled vibration and multi-color control set it apart from competitors.

▪ Proven Track Record: Trusted by clients in over 80 countries for its robust performance and consistent output.

▪ Sustainability: Aligns with global green initiatives by reducing waste and energy consumption.

 

Applicability of multiple raw materials

 ▪ slag 
 ▪ sand
 ▪ fly ash
 ▪ slag
 ▪ gangue 
 ▪ gravel 
 ▪ shale 
 ▪ sand
 ▪ crushed stone
 ▪ cement
 ▪ limestone
 ▪ gypsum
 ▪ other industril&construction waste

 

Product Parameters

pallet size	900 x 550 mm
molding cycle	15-20 s
main vibration form	platform vibration
exciting force	50 KN
vibration frequency	2800-5100 r/min
rated pressure	16MPa
power of host machine	21.75 kW
overall dimension(L*W*H)	5900 x 2200 x 2400 mm

  

Main Production Specification & Theoretical Productivity
Block Type	Size(mm)	QTY/Mold	Molding Cycle	QTY/Hour
Hollow block	400*200*200	4pcs	15-20s	720~960pcs
	400*150*200	5pcs	15-20s	900~1200pcs
Holand paver	200*100*60	14pcs	18-23s	2100~2800pcs
I paver	200*160*60	10pcs	18-23s	1500~2000pcs
Zigzag/S Paver	225*112.5*60	12pcs	18-23s	1800~2400pcs
Solid Brick	240*115*53	24pcs	15-17s	5000~5700pcs

 

 

Core Components & Details

 

Molds - durability, precision, flexibility

▪ Unmatched Durability
High-strength alloy 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, supporting over 50 brick types with 10-minute changeovers

▪ 40% longer Service life
Exceeding100,000 pressing cycles, reducing replacement frequency and lowering costs.

 

Efficient Material Feeding System
▪ Precision
360° Rotary Feeding System: uniform material distribution with consistent density (±0.5%) and 15-20% cycle time reduction
▪ Multi-Material Compatibility 
Handles both wet/dry mixes (slump 2-8cm), including recycled concrete, fly ash, clay composites and so on .
▪ Intelligent Auto-Tuning Functionality
PLC Integrated,auto-adjust feeding speed/volume by material moisture
▪ Energy-Efficient Operation
Low-power motor, 30% less energy than hydraulic feeding systems
▪ User-friendly maintenance design
Side-hinged inspection doors enable full access to internal components for cleaning/maintenance.

 

Intelligent PLC Control System 

 ▪ Flexible Programming - Quick recipe/multi-brick adjustments via intuitive parameters.
▪ Energy Efficiency - VFD/intelligent load management cuts operational costs by up to 35%.
▪ Remote Monitoring & Diagnostics - Real-time tracking, alerts, updates via HMIs/cloud.
▪ User-Friendly Interface - Touchscreen HMIs: status visualization, recipe storage, protected adjustments.
▪Rapid Cycle Times - High-speed PLC accelerates feeding/pressing, cutting cycle time by 15-20%.
 

 

Integrated Hydraulic System

▪ High-pressure pump unit: steady pressure for brick compaction

▪ Integrated valve block: Optimizes flow control,enhances energy efficiency

▪ Oil tank(temp alarm): Auto-monitors/regulates operating temperatures

▪ Quick-connect hydraulic lines: 30% less maintenance downtime

▪ Pressure accuracy: ±1% of rated pressure (16-25 MPa)

▪ Energy-saving design: Dynamic pressure adjustment lowers standby power consumption to ≤80W

 

Synchronous System
Features
▪ Dual sync shaft structure with precision gear transmission
▪ 99%+ mold alignment accuracy during vertical motion
▪ Seamless integration with molding process

Advantages
▪ 100% dimensional consistency for uniform brick size/shape
▪ 30%+ higher production efficiency via stable motion & shorter cycle times
▪ <0.5% rejection rate, cutting waste and costs
▪ Reduced material waste (up to 25%) from stable operation
▪ Extended mold lifespan with minimal wear from precise alignment
 

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)

Installation Instructions

According to customer requirements, we can provide the QT4-15 full-automatic production line

▪ Raw material preparation & batching
▪ Automatic raw material mixing
▪ Automatic raw material feeding
▪ Vibration Pressing Molding
▪ Hydraulic Demolding
▪ Block Conveying via Conveyor belt or Pallet
▪ Curing:natural or kiln
▪ Palletizing

 

Certifications

 

Packaging & Shipping

Company Profile

 

 About Us

Shandong Maxport Intelligent Technology Co., Ltd. is a professional manufacturer specializing in construction and building materials machinery & equipment. Founded in 1990, we have dedicated over 35 years to developing environment-friendly and energy-saving building material machinery-ranking among China's top 10 block making machine exporters, with 2 out of every 10 block/brick making machines exported from China being ours. Our efforts have earned widespread recognition and praise in the international market.

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.

 

Why choose Us
 

Unmatched Technical Expertise: machines fuse German engineering precision with 30+ years of R&D-for unrivaled quality.

▪ Sustainability Leadership: Champions UN SDGs-Slashes carbon, fuels circular economy.

▪ Cost-effective solutions: Factory-direct pricing (no markup), 30%+ cost edge vs European brands, no quality compromise.


▪ Global Service Network: On-site installation, operator training, and 24/7 technical support via phone, email, or video call.

 

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

- - -FAQ - - - 

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.