Integrated Line Matching — the QT6-15 press, mixer, pallet feed and stacker are specified as one timed system so no station waits on another.
Technical Specifications
| Parameter | Value |
|---|---|
| Model | QT6-15 |
| Product Type | Automatic Concrete Block Making Machine |
| Molding Method | Vibration and hydraulic pressing |
| Rated Pressure | 21 MPa |
| Molding Cycle | 15s–20s |
| Pallet Size | 900×700 mm |
| Main Machine Weight | 6000 kg |
| Output Capacity | 1440 pcs/h based on 400×200×200mm hollow block, 6 pcs/pallet (theoretical) |
| Output Capacity | 5040 pcs/h based on 200×100×60mm paving brick, 21 pcs/pallet (theoretical) |
| Output Capacity | 7680 pcs/h based on 240×115×53mm solid brick, 32 pcs/pallet (theoretical) |
| Automation Level | Automatic (configurable from simple to fully automatic line) |
| Control System | PLC (brand and language options to be confirmed) |
| Voltage & Frequency | Customizable to local standard (to be confirmed) |
| Supporting Equipment (simple line) | JS500 mixer, 8M conveyor belt, automatic stacker |
| Supporting Equipment (full line) | Cement silo, screw conveyor, cement scale, batching machine, pallet loader, block and pallet separator |
| Mould Formats | Hollow block, paving brick, solid brick, interlocking brick, curbstone |
| Assembly State | Dismantled for container shipping (top cylinder removed due to height) |
| Warranty | 1 year (excluding wearing parts) |
Application Suitability
| Application | Material or Output |
|---|---|
| Block and paver production plants | Hollow blocks, solid bricks, and paving bricks from cement, sand, fly ash, stone powder, and slag |
| Construction contractors producing on-site | Interlocking bricks and curbstone using locally sourced aggregate and cement |
| Building material manufacturers expanding formats | Multiple block formats via mould changes on a single automatic block machine production line |
What a Standalone Press Quotation Leaves Out
An automatic block machine production line only performs when every station matches the press cycle.
When a quotation covers the press alone, the buyer arrives on site to discover pallet handling, stacking, and curing are still manual. I have watched plants where the JS500 mixer could not discharge fast enough for a 15-second cycle, and the press sat idle waiting for the next batch. [NEED_CITE: common causes of idle time in concrete block production plants] The daily shortfall compounds quickly, and the contractor blames the press rather than the mismatched line.
How Stations Connect Around the Press
The QT6-15 completes a moulding cycle every 15 to 20 seconds, which means the mixer must discharge a full batch into the hopper within that same window. The 8M conveyor belt must move material at a rate that keeps the hopper from starving or overflowing. An automatic block machine production line only earns its name when these intervals are calculated together, not quoted as separate items on a packing list.
Where the Pallet Loop Sets the Real Ceiling
Pallet size at 900×700 mm determines how many blocks leave the press per cycle, but it also governs how many pallets the loader can feed and how the stacker indexes them. If the pallet return conveyor cannot keep empty pallets in front of the press, the vibration table stops. [NEED_CITE: pallet circulation design in concrete block lines] This loop is the station most often left to manual labour in a press-only quotation.
Pressure, Vibration and the Mix They Demand
The 21 MPa rated pressure works with the vibration system to compact concrete into dense, consistent blocks. That pressure only delivers its full value when the mix design matches the local aggregate and the target block format. A hollow block with thin walls needs a different vibration profile than a solid paving brick, and the PLC must allow the operator to store separate recipes for each mould. The pallet size must also align with the curing racks and forklift already on site, otherwise freshly pressed blocks have nowhere to go.
The Cost of a Mismatched Supporting Line
Choosing the wrong mixer or conveyor rating forces the press into micro-stops throughout every shift. Over a week, these pauses add up to a noticeable portion of expected output, and the operator often responds by shortening the vibration cycle, which weakens the block. [NEED_CITE: impact of cycle interruption on concrete block compressive strength] Replacing a single under-sized station after commissioning costs far more than specifying it correctly before the line ships.
Why This Line Is Quoted as a System
The supporting equipment is matched to the QT6-15 cycle from the first inquiry, not bolted on as optional extras. Capacity calculations state the exact block format assumed for each output figure, so the buyer knows what to expect on day one. Pallet specifications are checked against the curing area and forklift the buyer already owns. Moulds are designed for the formats the local market actually buys, including custom drawings when needed. Voltage, frequency and PLC language are confirmed before production begins, avoiding delays at commissioning.
Documentation & Verification
- Line layout and capacity calculation stating the block format assumed for each output tier
- Machine specification sheet with hydraulic and electrical schematics
- Mould drawing and format list for every block type ordered
- Pallet specification matched to buyer curing rack dimensions
- Factory test record covering press cycle time and every supporting station throughput
- Voltage and PLC control language confirmation signed before production
Installation, Commissioning & Support
- Foundation drawing based on the 6000 kg main machine weight and vibration load
- Power supply confirmed for local voltage and frequency before the QT6-15 ships
- Top cylinder reassembled on site after container-height dismantled transit
- PLC parameter setting for each mould format during first-week commissioning
- Operator training covering mould change procedure and daily lubrication points
- Wear parts and mould list provided with first-shipment spare recommendations
What to Share Before Requesting a Quotation
Tell me the block format you sell most, the daily output you need, and the aggregate available locally. Confirm your site voltage, frequency, and the language your operators read on a screen. If you already have curing racks or a forklift, send the pallet dimensions they accept so the automatic block machine production line is built around them.
Frequently Asked Questions
Q: How is daily output calculated and which block format does each figure assume?
A: Every output figure in our quotation states the exact block format, pallet count, and cycle time it assumes. A hollow block number is never quoted as a paving brick number. We provide a capacity sheet that breaks down realistic daily output format by format, so you know what to expect before the line arrives.
Q: What supporting equipment is included beyond the press, and what is left to the buyer?
A: The line quotation lists every station from raw material feed to stacked output. The mixer, conveyor, pallet loader, stacker and separator are included based on your chosen automation level. Only the curing yard, forklift and external power connection remain the buyer’s responsibility, and we confirm those interfaces before production.
Q: How do pallet size and material choices affect the curing area and forklift already on site?
A: The 900×700 mm pallet must fit your existing curing racks and the forks on your lift truck. We ask for those dimensions during the inquiry stage and match pallet material — bamboo, PVC or steel — to your curing method so blocks release cleanly and pallets last through repeated cycles.
Q: Can the line start with a simple configuration and upgrade to full automation later?
A: Yes. The QT6-15 line can begin with a JS500 mixer, 8M conveyor and automatic stacker, then add a cement silo, batching machine, pallet loader and block-pallet separator when volume grows. The press and PLC are specified from the start to accept those upgrades without a full control replacement.
Q: How are cycle times matched across mixer, conveyor, press and stacker?
A: Each station is selected so its throughput meets or slightly exceeds the QT6-15 press cycle of 15 to 20 seconds. The mixer discharge, belt speed, pallet feed and stacker index are timed together on the line layout, so the press never waits for material or an empty pallet.
