• QT4-25 full production line: main machine + mixer + conveyor, 25s cycle, 3200-4500 hollow blocks/8hr
  • QT4-25 main unit + mold + pallet feeder: 850×550mm pallet, 15-21MPa pressure, 20-25 blocks/cycle
  • QT4-25 multi-purpose line: interchangeable molds for hollow/standard/paving bricks
  • QT4-25 side view: steel frame, vibration table, hydraulic cylinder, low-maintenance design
  • QT4-25 mold close-up: steel cavity + auto-ejection, 15min quick replacement
  • QT4-25 full production line: main machine + mixer + conveyor, 25s cycle, 3200-4500 hollow blocks/8hr
  • QT4-25 main unit + mold + pallet feeder: 850×550mm pallet, 15-21MPa pressure, 20-25 blocks/cycle
  • QT4-25 multi-purpose line: interchangeable molds for hollow/standard/paving bricks
  • QT4-25 side view: steel frame, vibration table, hydraulic cylinder, low-maintenance design
  • QT4-25 mold close-up: steel cavity + auto-ejection, 15min quick replacement

QT4-25 Concrete Block Making Machine

The QT4-25 Concrete Brick Machine features automatic pallet-supplying, material-distributing, and brick-discharging functions. It is low-cost, easy to operate, and durable to use. What’s more, it achieves full automation in material feeding, material distributing, material scraping, and brick-discharging, greatly reducing manual labor and improving production efficiency.
  • QT4-25 full production line: main machine + mixer + conveyor, 25s cycle, 3200-4500 hollow blocks/8hr
  • QT4-25 main unit + mold + pallet feeder: 850×550mm pallet, 15-21MPa pressure, 20-25 blocks/cycle
  • QT4-25 multi-purpose line: interchangeable molds for hollow/standard/paving bricks
  • QT4-25 side view: steel frame, vibration table, hydraulic cylinder, low-maintenance design
  • QT4-25 mold close-up: steel cavity + auto-ejection, 15min quick replacement

Desciption

QT4-25 Concrete Brick Machine

Dongfeng Shuanglong Machinery sells the QT4-25 Automatic Block Machine, great for making hollow blocks, paver blocks, porous blocks, etc.
The factory also has other block machines: small types, mobile types, hydraulic types. Prices vary by machine type.



  • Full-process automation reduces labor intensity and ensures consistent product quality.
  • Wide raw material adaptability supports recycling of industrial wastes, cutting costs and protecting the environment.
  • Compact structure saves space, with simple installation and quick commissioning.
  • Durable core components and optimized hydraulic system ensure stable operation with low failure rates.
  • Easy mold replacement allows quick switching between different brick types, meeting multi-category production needs.

Specification

Dimension of host machine

3400x2300x2650mm

Host machine power

22.95KW 

Voltage

380v (As per client’s local voltage)

Vibration force

30KN

Moulding cycle

15-20s

Forming style

Hydraulic

Pallet size

900x550x30mm

Weight of host machine

3t

Mixer Model

JQ350


Items

Quantity    

Host machine (control unit and pallets feeder)

1   

JQ350 mixer 

1    

Belt conveyor (L: 6meter)

1

Hydraulic unit

1

Free mould

Free trolley

1


Caption
Size(LxWxH) Reference Picture Cycle Molding Pcs/Mould Pcs/Hour Pcs/8hrs
400x200x200mm hollow concrete block schematic - hollow structure for thermal insulation 15-20s 4 600 4800
400x100x200mm hollow concrete block schematic - hollow structure for thermal insulation 15-20s 7 1050 8400
400x150x200mm hollow concrete block schematic - hollow structure for thermal insulation 15-20s 5 750 6000