Matched Line Integration — The QT5-15 block press is specified alongside its feeder, mixer, pallet return and stacker so that every station keeps pace with a 15-20 second moulding cycle instead of leaving the press idle.
Technical Specifications
| Parameter | Value |
|---|---|
| Model | QT5-15 |
| Product Type | Automatic Concrete Block Making Machine |
| Overall Dimensions (L×W×H) | 7400×1950×2800 mm |
| Total Mass | 5000 kg |
| Vibration Form | Platform Vibration |
| Vibration Frequency | 0-60 Hz |
| Vibration Force | 80 kN |
| Moulding Mode | Automatic loading, vibration moulding |
| Demolding Method | Hydraulic |
| Hydraulic System | Independent integrated hydraulic station |
| Pallet Size | 1100×550 mm |
| Molding Cycle | 15-20 s (basis not stated in source — confirm block format / material / thickness) |
| Overall Power | 32 kW |
| Control System | PLC with touch screen interface |
| Block Compressive Strength | >15 MPa |
| Factory Area Requirement | 1000 m² |
| Output — Hollow Block 400×200×200 mm | 900-1200 pcs/h, 5 pcs/mould, 15-20 s cycle |
| Output — Hollow Block 400×150×200 mm | 1080-1440 pcs/h, 6 pcs/mould, 15-20 s cycle |
| Output — Solid Brick 240×115×53 mm | 5760-7680 pcs/h, 32 pcs/mould, 15-20 s cycle |
| Output — Rectangular Paver 200×100×60 mm | 3600-4500 pcs/h, 25 pcs/mould, 20-25 s cycle |
| Output — Zigzag Paver 225×112.5×60 mm | 2304-2880 pcs/h, 16 pcs/mould, 20-25 s cycle |
| Raw Material Compatibility | Fly ash (up to 70%), slag, gangue, sand, crushed stone, cement, water |
| Automation Level | Automatic pallet feeding, material feeding, vibrating, demoulding |
| Stacking Method | Products discharged together for efficient stacking |
| Warranty | 1 year for whole machine (excluding spare parts) |
Application Suitability
| Application | Material or Output |
|---|---|
| Hollow block production for building construction | Crushed stone, sand, cement; 400×200×200 mm and 400×150×200 mm formats |
| Solid brick production for masonry walls | Sand, fly ash, cement; 240×115×53 mm standard brick format |
| Rectangular paving brick for walkways and yards | Crushed stone, sand, cement; 200×100×60 mm |
| Interlocking zigzag paver for driveways | Sand, cement, pigment; 225×112.5×60 mm |
| Industrial residue block production | Fly ash up to 70%, slag, gangue blended with cement and water |
| On-site block production for housing projects | Local aggregate and cement matched to site conditions |
Why "Cycles per Hour" Tells Only Part of the Story
A press that cycles every 15 seconds is only as fast as the slowest station around it.
I have watched an automatic block machine production line stall because the mixer could not keep up with the press, leaving the hopper empty for half of every shift. The QT5-15 completes a moulding cycle in 15-20 seconds depending on format, which means raw material feeding, mixing, pallet circulation, and stacking all have to move at that same tempo. If one station lags, the press sits idle and the quoted output number never materialises [NEED_CITE: line synchronisation principles in concrete block plants]. That is why the automatic block machine production line must be planned as a single timed system, not a collection of independent machines.
How Upstream Feeding and Mixing Keep the Press Fed
The QT5-15 draws material every 15-20 seconds, so the mixer and belt feeder must deliver a fresh batch within that window. An undersized mixer forces the press to pause, cutting actual output well below the rated figure. When we size the automatic block machine production line, we match mixer drum capacity and belt speed to the press cycle so material arrives just before the hopper runs low.
Pallet Circulation and Curing Area Timing
Each cycle consumes one 1100×550 mm pallet loaded with wet blocks. Pallets must travel from the press to the curing racks, cure, return cleaned, and re-enter the feeder before the next cycle demands them. If the curing area is too small or the forklift too slow, pallets pile up and the line stops [NEED_CITE: pallet return system design for block plants]. Matching pallet inventory, rack spacing, and forklift capacity to the press output keeps the automatic block machine production line running without interruption.
Reading the Numbers Behind the Output Table
The QT5-15 produces five 400×200×200 mm hollow blocks per mould at a 15-20 second cycle, yielding 900-1200 pieces per hour. Switch to 200×100×60 mm rectangular pavers and the mould holds 25 pieces but the cycle extends to 20-25 seconds, shifting throughput to 3600-4500 pieces per hour. Vibration force at 80 kN combined with hydraulic demoulding determines how densely the mix is compacted, directly influencing block compressive strength above 15 MPa. Pallet size at 1100×550 mm sets the mould footprint and must align with the curing racks already on site. The PLC touch screen sequences pallet feed, material drop, vibration and hydraulic demoulding into one automatic loop, reducing the operator’s role to monitoring and mould changes.
When the Wrong Configuration Stops the Line
A buyer once specified standard pallets without checking the curing rack slot width at his site; the pallets did not fit, and he spent weeks fabricating adapter brackets while blocks cured on the floor [NEED_CITE: pallet and curing rack mismatch in block production]. Another left voltage and PLC language unconfirmed, and the machine arrived with a 380 V motor in a 415 V region, delaying commissioning until a transformer was sourced. These are not machine faults — they are configuration gaps that turn an automatic block machine production line into a source of lost days.
Why Buyers Source the Full Line Here
Block machinery is the sole product focus, so the press, moulds, pallets and handling equipment are specified as one matched system rather than assembled from separate suppliers. Configuration is set against the buyer’s actual mix design, local aggregate and target block format instead of a catalogue default. Mould design covers the formats the buyer’s market actually sells, with custom drawings available. Automation level is selectable, letting a plant start semi-automatic and add stacker or cubing modules later. Installation support includes operator training so the crew can run the line independently from day one.
Documentation & Verification
- Line layout drawing showing every station from silo to curing rack with cycle times noted
- Capacity calculation sheet stating the block format and cycle time assumed for each output figure
- Pallet specification matched to buyer’s existing curing rack dimensions and forklift rating
- Voltage, frequency and PLC display language confirmed in writing before production begins
- Factory test record on buyer’s chosen block format before dispatch
- Hydraulic and electrical schematic for on-site maintenance reference
Installation, Commissioning & Support
- Foundation plan sized to the 7400×1950 mm footprint and 5000 kg mass of the QT5-15
- Dedicated 32 kW power circuit with confirmed voltage and frequency before cable runs are laid
- Machine dismantled for container loading and reassembled on-site with alignment checks
- First-run parameter setting for vibration frequency, hydraulic pressure and cycle timing per block format
- Operator training covering PLC touch screen sequences, mould change procedure and daily greasing points
- Wear parts list identifying hydraulic seals, vibration springs and mould liners with reorder codes
What to Share with Your Inquiry
To size the automatic block machine production line correctly, send the block formats you plan to produce, the daily output target for each format, and the raw materials available locally including aggregate grading. Include the dimensions of any existing curing area and the forklift model in use. Confirm your site voltage, frequency and preferred PLC display language so the electrical package is built right the first time.
Frequently Asked Questions
Q: How is daily output calculated for each block format on this line?
A: Output depends on pieces per mould and cycle time. For example, five 400×200×200 mm hollow blocks per mould at a 15-20 second cycle gives 900-1200 pieces per hour, while 25 rectangular pavers per mould at 20-25 seconds yields 3600-4500 per hour. Daily totals assume an eight-hour shift with pallet and mixer capacity matched.
Q: Which supporting equipment is included and which is optional?
A: The core quotation covers the press, pallet feeder, material hopper and hydraulic station. Mixer capacity, belt conveyors, automatic stacker and curing racks are quoted separately based on the buyer’s layout. This lets plant owners reuse existing equipment or add stations as needed.
Q: How does pallet size affect the curing area and forklift choice?
A: The 1100×550 mm pallet dictates rack slot width, stacking height and forklift tine spacing. If your curing racks were built for a different pallet dimension, adapters or new racks may be required. Confirming pallet specs early avoids costly rework after the line arrives.
Q: When must voltage, frequency and PLC language be confirmed?
A: These must be locked in writing before production starts. Changing motor winding or PLC firmware after the machine is built causes delays and extra cost. Share your site’s supply standard and preferred operator language during the inquiry stage.
Q: What downtime should be planned for a mould change on this line?
A: The QT5-15 uses a simple mould replacement system. A trained crew can swap moulds and recalibrate vibration and hydraulic parameters within a planned window. The exact time depends on mould size and whether the new format requires a different pallet spacing setting.