Twin shaft concrete mixer mainly mix sand, pebble and cement evenly according to certain proportion. So it is important part in concrete machine, such as, concrete batching plant and concrete block machine . This page will introduce you two hot types twin shaft concrete mixers that widely used for block making: JS750 and JS500 twin shaft mixer. In addition capacity and discharge are various, working process is the same. So here I will take JS500 twin shaft mixer as an example and show you more details.

Latest news of twin shaft mixers

JS750 twin shaft mixer to Uzbekistan

JS1000 to Bangladesh

Types of twin shaft mixer machine

JS750 twin shaft batch mixer

JS500 twin shaft paddle mixer

JS3000 double shaft mixer

JS1000 twin shaft concrete mixer

JS1500 twin shaft paddle mixer

JS2000 twin shaft batch mixer


Item Charging Capacity (L) Discharging Capacity(L) Productivity( m/h) Aggregate Size(cobble/gravel) (mm) Overall Dimension
(LXWXH) (mm)
JS500 800 500 25 Min 80/60 4486x3030x5280
JS750 1200 750 35 Min 80/60 5100x2250x6700
JS1000 1600 1000 50 Min 80/60 8765x3436x9540
JS1500 2400 1500 75 Min 80/60 9645X3436X9700
JS2000 3200 2000 100 Min 80/60 3500X2320X1677
JS3000 4800 3000 150 Min 80/60 3990X2600X1700
JS4000 6400 4000 200 Min 120/100 4450X3050X2380
JSS500 800 500 20-25 Min 80/60 2960x2600x4400
JSS750 1200 750 30-35 Min 80/60 3120x3500x5620
JSS1000 1600 1000 40-50 Min 80/60 4640x2250x2250
JSS1500 2400 1500 70-90 Min 80/60 5058x2250x2440
JSS2000 3200 2000 100-120Min 80/60 3500x2400x2125

Compositions of twin shaft paddle mixer

JS series twin-shaft concrete mixers consist of feeding, mixing, discharging, water supplying and electrical control system.

Mixing system

Mixing system consists of electric motor, belt pulley, reducer, exposed gear, oil supply device. Electric motor will bring secondary gear and reducer, two shafts of reducer through two pairs of open gears will bring two horizontal mixing shaft do reverse constant-speed rotation.
There are two horizontal mixing shaft, each shaft has mixing blades. There are side blades respectively on the mixing arms at both ends of the mixing cylinder, can scrape the concrete residue.

concrete mixing system

A sealing device is provided at the two ends of the mixing shaft and the mixing cylinder. There is a special oil feeder on the end face of the mixing cylinder to ensure the sealing quality.

Feeding system

Feeding part of twin shaft mixer for sale is made up of hoisting mechanism, feeding rack, hopper and feeding inlet. When feeding the materials, lifting and transmission system will drive the wire rope to climb up the feeding frame guide rail through the pulley traction hopper, when the hopper was lifted to feeding position, the front roller of the bucket bottom enters the horizontal branch road, and the bucket body continues to rise, forcing the bucket bottom and the bucket body have hinged shaft as the fulcrum to separate and open the material door. With the rising of hopper, materials door opens gradually, materials will be put into mixing cylinder through middle hopper.

aggregate feeding system

Water supply system

Water supply system of twin shaft batch mixer is made up of water pump, throttle valve, cleaning and sprinkler. Throttle valve can adjust water flow, time relay will adjust the total amount of water.

water supply system

Discharge system

Discharge system of twin shaft cement mixer comprises discharge door, air cylinder or hydraulic cylinder. There re three types of discharge methods: hydraulic, pneumatic and manual.

Hydraulic actuated discharge gate is stronger than pneumatic system to avoid the phenomenon of insufficient pneumatic opening

Manual operation lever is used for emergency unloading when temporary power failure and cylinder or hydraulic cylinder malfunction. It should be removed at ordinary times to prevent injury. Electric or manual installation is optional.

discharge system

When working from high pressure gas to the cylinder, cylinder drive swing bar, so that the door around the bearing seat rotation, to open and close the door.

Electrical control lines of twin-shaft concrete mixers with air switches, fuses, thermal relays, with short circuit protection, overload protection.

All control buttons, air switch handles and indicator lights are arranged on the distribution box door, and equipped with a lock.

A protective door is provided outside the button.

The electrical components in the distribution box are installed on an insulating board, safe and reliable, easy to operate and maintain.

Working principle of twin shaft concrete mixer sale

Mixing system in horizontal twin shaft mixer is a mixing shaft set in the cylinder horizontally or vertically, and mixing materials are forced to be stirred by rotating stirring blades. When working, the rotating shaft drives the blade to shear, extrude and reverse the

The mixing drum in twin shaft feed mixer does not move, but is forced to stir by the vanes on the rotating axis in the drum. The twin-shaft batch mixer has good quality and high production efficiency. But power consumption is large, and blade wear fast. Generally suitable for mixing rigid concrete.

Where you can find reliable twin shaft concrete mixer manufacturers

Actually, there are two ways to find twin shaft mixer manufacturer: online and offline. If there is now manufacturer, company or supplier in your local area, you can search on google, bing and yahoo. There will are many results for your choice.

twin shaft concrete mixer workshop

twin shaft mixer factory

twin shaft mixer workshop

AIMIX GROUP is a famous construction machinery company in China, they not only can produce twin shaft concrete mixer, but also sell, market and innovate the mixer according to needs of customers. If you are interested, you can contact us, we have local based center in Pakistan, Philippines, Sri Lanka, Indonesia, Uzbekistan and Bangladesh, if you are from Pakistan, we also can show you the production of twin shaft mixer machine! Most importantly, we will do regular maintenance four times a year, any questions, we will help you solve quickly.

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