QTJ4-24 Semi-Automatic Concrete Block Making Machine | In Stock
In Stock · Ready to Ship
CE
Certified
ISO
9001:2015
108+
Countries
Stationary block machine

QTJ4-24 Semi-Automatic Concrete Block Making Machine | In Stock

<p><strong>QTJ4-24 Semi-Automatic Concrete Block Making Machine, Platform Vibration, 850×450mm Pallet</strong> — stocked for fast dispatch with standard moulds and container loading plan confirmed upfront.</p> <ul> <li>390×190×190mm hollow block and 240×115×53mm brick moulds ready to ship</li> <li>14.25 kW overall power, mechanical vibration system</li> <li>Bundled option with JQ350 mixer and 6m belt conveyor</li> </ul> <p>Machine, mould and pallet specified as one matched system so your line runs from day one on site.</p>

  • European-Patented Airbag Damping System
  • Four-Motor Synchronous Vibration Technology
  • Siemens PLC Smart Control · Lifetime Tech Support
  • Customized Solution for Local Materials & Voltage
Lead Time
30 days
Warranty
12 mo
Sold
500+
Technical Excellence

Engineered for performance, built to last

Every parameter is verified through rigorous factory testing. No exaggeration -- just real production capacity backed by 320+ engineers.

Production Capacity
14,400 blocks/8h
Cycle Time
15-20 seconds
Total Power
88 kW
Operators
2-3 people

Product Description

QTJ4-24 Semi-Automatic Concrete Block Making Machine, Platform Vibration, 850×450mm Pallet — stocked for fast dispatch with standard moulds and container loading plan confirmed upfront.

  • 390×190×190mm hollow block and 240×115×53mm brick moulds ready to ship
  • 14.25 kW overall power, mechanical vibration system
  • Bundled option with JQ350 mixer and 6m belt conveyor

Machine, mould and pallet specified as one matched system so your line runs from day one on site.

Description

Fast Dispatch Readiness — QTJ4-24 block machines held in stock with standard moulds and dismantling plans prepared so container loading can proceed without production delays.

Technical Specifications

Parameter Value
Model QTJ4-24
Product Type Semi-Automatic Concrete Block Making Machine
Machine Type Stationary, Platform Vibration
Overall Dimensions (L×W×H) 3600mm × 1700mm × 2560mm (working state)
Total Mass 1750 kgs
Overall Power 14.25 kW
Vibration System Platform vibration; two 3 kW lower motors + 1.5 kW upper device
Mould Format Examples 390×190×190mm (4 pcs/mould); 240×115×53mm (21 pcs/mould)
Pallet Size 850mm × 450mm
Elevating System Cone-shape motor, JZQ250 reducer, elevating arm, sliding sleeve
Delivery Device Cycloidal pin wheel reducer, chains, V-belt, self-conveying frame
Machine Frame Dragon gate style, super steel, four wear-resisting vertical shafts
Control System Electronic controlling part (voltage and language to be confirmed)
Hydraulic Pressure Not applicable — mechanical vibration only
Output Capacity (basis to be confirmed — depends on block format, material, thickness)
Cycle Time (basis to be confirmed — depends on block format, material, thickness)
Basic Support Equipment JQ350 pan mixer, 6m belt conveyor
Optional Equipment Auto stacker, block clamper, diesel generator, wheel loader, forklift

Application Suitability

Application Material or Output
Hollow block production for housing projects Crushed stone, cement, sand, and water mix on 850×450mm pallets
Standard solid brick manufacturing Fine aggregate and cement blends producing 240×115×53mm bricks
On-site block production for contractors Local aggregate and cement with semi-automatic manual pallet handling
First block plant for entrepreneurs Small-scale output using readily available raw materials

What Dispatch Delays Mean for a Fixed Project Start

A stocked QTJ4-24 block machine in stock shortens the gap between order confirmation and container loading when your construction milestone cannot move.

When a development project has a committed start date, every week of supplier delay pushes the entire construction sequence back. I have watched contractors absorb idle crew costs while waiting for machinery that was quoted with vague lead times. The real damage is not the machine price but the site overhead that accumulates while foundation work sits exposed. Buyers working against project deadlines need the dispatch date confirmed at order placement, not estimated after payment. [NEED_CITE: typical equipment procurement timelines for construction project milestones]

QTJ4-24 block machine in stock ready for container loading

Stock Availability and Dispatch Planning

The QTJ4-24 block machine in stock is held in assembled test-ready condition with standard moulds for both hollow block and solid brick formats. The platform vibration system with its dual 3 kW lower motors and 1.5 kW upper device has been factory-run to verify mechanical function before storage. When a buyer confirms voltage and control language requirements, the machine moves directly from stock to container preparation rather than entering a production queue.

Container Loading and Arrival Certainty

The dragon gate frame structure on the QTJ4-24 block machine in stock allows dismantling into components that fit standard container configurations. The 3600mm working length and 1750 kg total mass require a loading plan that accounts for the elevating arm, sliding sleeve, and vibration box as separate secured items. We provide machine dismantling photographs and a loading diagram at the quotation stage so the buyer knows exactly how the machine will arrive and what reassembly sequence the site crew will follow. [NEED_CITE: container loading standards for industrial machinery export]

How Platform Vibration and Mechanical Elevation Work Together

The QTJ4-24 uses platform vibration rather than hydraulic pressing, which shapes the mix through mechanical frequency and amplitude rather than compressive force. The two 3 kW high-speed motors driving the lower vibration box create the primary compaction energy, while the 1.5 kW upper device settles the top surface. The JZQ250 speed reducer in the elevating system controls the rate at which the mould lifts away from the formed block — too fast and the green block distorts, too slow and cycle time extends. The 850mm × 450mm pallet size determines both the block layout per cycle and the curing rack dimensions the buyer must have ready. Mould change involves swapping the entire mould box on the platform, which requires the four wear-resisting vertical shafts to remain true for alignment.

Vibration box and elevating arm assembly detail

The Cost of Overlooking Voltage and Control Language

Arriving at a job site with a machine whose voltage does not match local supply means either sourcing a transformer or sending the electrical panel back for rewinding. Control display language matters equally — an operator reading unfamiliar characters during commissioning will default settings and damage moulds or motors before anyone identifies the cause. I have seen QTJ4-24 units sit unpowered for weeks because the frequency mismatch was discovered only when the local electrician opened the panel. [NEED_CITE: voltage and frequency standards by export market]

Why Buyers Source This Machine Here

We hold the QTJ4-24 as a stocked model because its semi-automatic configuration suits buyers who need a production capability quickly without the commissioning complexity of fully automatic lines. The JQ350 pan mixer and 6m belt conveyor ship as a bundled package, so the buyer receives a functioning basic line rather than a press without material handling. Standard moulds for 390×190×190mm hollow blocks and 240×115×53mm bricks are matched to the 850×450mm pallet and included in the stock package. We provide dismantling photographs and container loading plans before shipment so there are no surprises at the destination port. The voltage, frequency, and control language are confirmed against destination requirements before the machine leaves the factory floor.

Documentation & Verification

  • Factory test record showing vibration system function before dismantling for shipment
  • Voltage and frequency confirmation sheet matched to destination country supply standards
  • Container loading plan with machine component breakdown and securing method
  • Mould drawing showing cavity layout on the 850mm × 450mm pallet
  • Operation manual covering elevating system maintenance and JZQ250 reducer service intervals

Installation, Commissioning & Support

  • Foundation pad must support 1750 kg total mass plus dynamic vibration loads during operation
  • Power supply requires dedicated circuit for 14.25 kW overall draw with correct voltage and frequency
  • Machine arrives dismantled; reassembly requires aligning four vertical shafts and connecting cycloidal reducer
  • Commissioning includes vibration box tuning and JZQ250 reducer speed verification against block format
  • Operator training covers mould change procedure on the dragon gate frame and manual pallet handling sequence

Requesting a Dispatch Timeline

Provide your destination port, local voltage and frequency specifications, and the block format you intend to produce first so we can confirm which stocked mould ships with your machine. Tell us your required arrival date and we will return a container loading plan with an estimated transit time from dispatch. If you need the optional auto stacker or block clamper included, specify this at inquiry so it can be consolidated into the same container.

Frequently Asked Questions

Q: What is the actual dispatch lead time for the QTJ4-24 from stock confirmation to container loading?
A: Stocked QTJ4-24 machines require voltage and control language confirmation before dismantling. Once confirmed, the machine is prepared, photographed in dismantled state, and loaded per the agreed container plan. The exact timeline depends on destination port and shipping availability at the time of order confirmation.

Q: Which moulds and pallets ship with the machine as standard, and what must be ordered separately?
A: The standard stock package includes moulds for 390×190×190mm hollow blocks and 240×115×53mm bricks, both designed for the 850×450mm pallet. Pallets are included in a quantity sufficient for initial operation. Additional mould formats, extra pallets, and optional equipment like the auto stacker require separate ordering.

Q: How is the machine dismantled for container loading, and what reassembly support is provided at destination?
A: The dragon gate frame separates at bolted joints, the elevating arm detaches, and the vibration box is secured independently. We supply dismantling photographs and a reassembly sequence. On-site reassembly requires aligning the four vertical shafts and connecting the reducer drive chains.

Q: Can voltage, frequency and control display language be confirmed before the machine leaves the factory?
A: Yes, these must be confirmed before dispatch. The electronic control panel is configured to match destination supply standards, and the display language is set to the operator’s requirement. This confirmation is a required step in the order process, not an afterthought.

Q: What is the estimated arrival time at my destination port from the dispatch date?
A: Transit time depends on the destination port and current shipping schedules. We provide an arrival estimate at quotation stage based on the confirmed dispatch date and port of destination, so buyers can plan site preparation against a known timeline.

Buy with Confidence

From inquiry to commissioning -- 4 transparent steps

  1. 01

    Technical Consultation

    Share your raw materials, capacity goals and voltage. Engineers reply within 24 hours.

  2. 02

    Custom Solution Design

    3D layout, mold drawings, electrical schematics and ROI calculation -- all free of charge.

  3. 03

    Production & Inspection

    Weekly progress photos, video reports, and virtual or on-site factory inspection.

  4. 04

    Installation & Lifetime Support

    On-site commissioning, operator training, spare parts supply and remote diagnostics.

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