QT7-15 Brick Interlocking Machine | Full Range

Mid-to-High Tier Automation — the QT7-15 sits between entry-level semi-automatic presses and our highest-capacity fully automatic lines, configured as one matched system rather than assembled from separate suppliers.

Technical Specifications

Application Suitability

What "1200 Pieces per Hour" Leaves Out When Sizing a Concrete Block Making Machine Manufacturer

Capacity figures mean nothing without the block format attached to them.

Many buyers receive a quotation quoting cycles per hour without any reference to which block size, wall thickness, or curing time that number assumes. I have watched contractors uncrate a machine expecting a certain daily output, only to discover the quoted figure was based on a thin paving brick while they needed 200 mm hollow blocks. The QT7-15 is listed in our range with format-specific output so you can match the number to the product you actually sell [NEED_CITE: block format capacity disclosure standards in machinery exports].

Where the QT7-15 Fits in the Full Block Machine Range

The QT7-15 occupies the mid-to-high automatic tier of our concrete block making machine manufacturer lineup. Below it sit semi-automatic models aimed at first-time plant operators with lower capital budgets; above it, high-capacity lines designed for continuous two-shift operation. This positioning matters because the machine’s 1150×700 mm pallet and platform vibration system place it squarely in the volume range that growing block plants need before committing to a full automatic stacking and cubing line.

Automation Tier and the Upgrade Path

A buyer can enter the range at semi-automatic level and later move to the QT7-15 tier when daily volume justifies the step. The PLC control with touch screen and remote fault diagnosis is standard at this tier, meaning the operator no longer manually times each cycle. Upgrading further means adding automatic pallet feeding, stacking, and cubing stations — all of which are designed to connect to the same pallet dimensions the QT7-15 already uses [NEED_CITE: automation upgrade paths in block production].

Reading the Specs That Matter for Daily Output

The 100 kN vibration force combined with hydraulic demolding determines how densely the concrete is compacted into each mould cavity, which in turn affects block strength and curing time. The 0–60 Hz adjustable vibration frequency lets the operator dial in the right setting for different mix designs — a dry-cast paving brick needs higher frequency than a lightweight hollow block. The 45 kW overall power rating is typical for this tier, covering the hydraulic pump, vibration motor, and conveyor drive without requiring a dedicated transformer beyond standard industrial supply. Quick mould replacement on the same pallet platform means a format changeover takes a fraction of a shift rather than consuming the whole morning.

The Hidden Cost of Ignoring Pallet and Voltage Specs

Choosing a pallet size without checking your existing curing racks and forklift capacity leads to pallets that cannot be moved or stacked efficiently once blocks arrive at the curing area. Similarly, ordering a machine without confirming local voltage and frequency results in motors that overheat or PLC screens that display in the wrong language. I once saw a QT7-15-class machine sit idle for four days in Latin America because the PLC interface arrived in Chinese and no Spanish-speaking technician was available to navigate the menus [NEED_CITE: voltage and control language standards by export market].

Why Source This Tier from Our Range

Block machinery is our single focus, so the QT7-15 arrives with mould, pallet, and handling specified as one matched system rather than assembled from separate suppliers. We configure the vibration force and hydraulic pressure against the buyer’s actual mix design and local aggregate, not a catalogue default. Moulds are designed for the formats the buyer’s market sells, including custom drawings. Automation level is selectable, so starting semi-automatic and upgrading later is a planned path, not an afterthought. Factory testing covers the full pallet cycle before dispatch.

Documentation & Verification

• Line layout with capacity calculation stating the block format assumed for each QT7-15 output figure
• Machine specification sheet confirming pallet size, vibration force, and power against your site conditions
• Mould drawing and format list covering every block type the QT7-15 will produce
• Voltage, frequency, and PLC control language confirmation record signed before production begins
• Factory test record showing full pallet cycle run on your chosen mould before dispatch
• Hydraulic and electrical schematic for the QT7-15 configuration you ordered

Installation, Commissioning & Support

• Foundation plan scaled to the QT7-15 footprint and 8 T total mass, including vibration isolation pads
• Power supply check for 45 kW draw with dedicated circuit breaker sized to local code
• Machine dismantled for container loading; reassembly sequence documented with torque values for hydraulic fittings
• PLC touch screen calibrated on-site with process data input for your specific mould and mix design
• Operator training covering mould change procedure, vibration frequency adjustment, and daily lubrication points
• Wear parts list identifying hydraulic seals and vibration motor bearings with recommended replacement intervals

Before You Request a Quote

Share the block formats your market currently sells, the daily output you need per format, and the raw materials available locally. Confirm your site voltage, frequency, and preferred PLC display language. Let us know whether you already have pallets, curing racks, and forklifts so the QT7-15 pallet specification aligns with your existing handling equipment.

Frequently Asked Questions

Q: Where does the QT7-15 sit in the full machine range compared to semi-automatic and higher-tier models?
A: The QT7-15 is our mid-to-high automatic tier. Below it, semi-automatic machines suit lower daily volumes and smaller budgets. Above it, high-capacity lines add automatic stacking and cubing for two-shift plants. The QT7-15 gives you PLC control and multi-format production without the investment of a full automatic line.

Q: What block formats can the QT7-15 produce and how does daily output differ?
A: The same 1150×700 mm pallet handles hollow blocks at 400×200×200 mm and 400×150×200 mm, plus rectangular paving bricks at 200×100×60 mm. Output figures vary by format because cycle time and cavity count differ — always confirm the number against the specific block you plan to run.

Q: What plant footprint does the QT7-15 require compared to smaller or larger machines?
A: The QT7-15 footprint includes the press, pallet feeder, conveyor, and storage hopper arranged in a linear layout. It requires more floor space than a mobile egg-laying machine but less than a high-capacity line with automatic cubing. Confirm ceiling height for the hydraulic unit and hopper clearance before pouring the foundation.

Q: Can I start with semi-automatic and upgrade to the QT7-15 automation level later?
A: Yes. The pallet size and mould interface remain consistent across tiers, so your existing moulds and pallets transfer. The upgrade adds PLC control, automatic pallet feeding, and remote fault diagnosis. We plan the electrical and hydraulic interface during the initial installation so the upgrade path does not require a full line rebuild.

Q: How do I determine which tier matches my daily output target and budget?
A: Start with the block format you sell most, then multiply by your daily target to find the required hourly output. Compare that number against each tier’s format-specific capacity. The QT7-15 fits plants that have outgrown semi-automatic volume but are not yet ready for a fully automatic stacking and cubing investment.