China Made Qt4-24 Concrete Hollow Block Making Machine
Products Description
The QT4-24 is a classic semi‑automatic concrete block forming machine, widely used in small and medium‑sized block production projects both domestically and internationally. The "4" in the model number indicates that it can produce 4 hollow blocks of 400×200×200mm per cycle, and "24" refers to the standard molding cycle time of approximately 24 seconds.
This machine is well‑known for its low investment, simple operation, and fast return on investment, making it an ideal choice for new brick plants, rural and township construction, and on‑site brick production at construction sites. The equipment uses hydraulic transmission and, by changing molds, can produce a variety of concrete products, including hollow blocks, solid bricks, paving bricks, interlocking bricks, curbstones, and more.
Technical specification:
| Dimension | 5000×2450 ×2930mm |
| Weight | 6T |
| Pallet size | 880 ×680mm |
| Power | 42.15 kW |
| Vibration method | Siemens motors |
| Vibration Frequency | 3800-4500 r/min |
| Cycle time | 15-20s |
| Vibration Force | 50-70KN |
Main features
| Products | Pic | Size | Capacity | Cycle time | Daily capacity |
| Hollow block |  |
390 ×190 ×190mm | 5pcs/pallet | 15-20s | 7200pcs |
| Hollow brick |  |
240 ×115 ×90mm | 16pcs/pallet | 15-20s | 23040pcs |
| Brick |  |
240 ×115 ×53mm | 34pcs/pallet | 15-20s | 48960pcs |
| Paver |  |
200 ×100 ×60mm | 20pcs/pallet | 15-20s | 28800 pcs |
The QT4-24 adopts a four‑column guide design and combines pressing with high‑frequency vibration for the forming process. The lower mold uses directional vertical vibration combined with upper mold pressing, resulting in products with high density and precise dimensions. The control system uses push‑button operation, which is simple and easy to learn – ordinary workers can get started after a short training period.
The QT4-24 is a well‑established model that has been validated in the market over the long term. It is widely used in block production projects in Southeast Asia, Africa, South America, the Middle East, and other regions.
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