Maltesers Production Line

D&R Machinery

D&R not only supplying the full plant for making the "maltesers", but also training customer on everything.

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D&R not only supplying the full plant for making the “Maltesers” , but also training customer then know how D&R mogul plant including material prepare system, mogul, final products coating system, dring room.


"Maltesers" center Depositing machine


  • Depositor Section designed for 2 Depositing Positions and equipped with 1 SERVO DRIVEN full tray pumps.  
  • Following movements are driven by servo motors
  • Tray destacking
  • Small chainless convey to tray overturn
  • Tray overturn
  • Small chainless convey to mould stamping
  • Mould stamping
  • Chainless convey to depositor
  • Servo depositor, for depositing the material into cavities inside tray by one stroke.
  •  Small chainless convey to tray stacker
  • Tray stacking
  • Complete depositing line has 6pcs servo motor
  • Simens Servo motors.
  • Tray Size: 820x400x53 Body Height (Buyer to confirm)
  • Stack Height: 56pcs (28pcs X 2) per one stack
  • Pallets: 3 pallets (2 stacks on one pallet) on run-in conveyor and run-out conveyor of mogul  
  • Maximum Speed: 18 trays per minute at 1 stroke per tray
  • Normal running speed at 18-20 trays /min
  • Electrical Equipment: Power 380V, 3 Phase, 50Hz/60Hz. (Buyer to confirm)


Pallet conveyor


The empty or products with starch trays will be conveyed from the cooling room to the tray stacker and feeder frame by pallet fork lifter which moved by operator



Automatic tray feeder


The trays will be stacked (4pcs trays per stack) and lift to the tray feeder. The Feeder is equipped with input roller track on which the operator places the pallet. Standard entry method is from the end of the track. Full stack height gates are provided for positive, safe stack feeding. Full stack-height rollers ensure the stacks are straight when entering the Feeder. The gates close behind the stack and remain closed until the whole stack is safely de-stacked. The stack is first de-stacking into groups of 4 trays which are then separated into single trays. The de-stacking conveyor moves continuously. The full system speed controlled by one servo motor.





Tray emptying


With 360 degree turning table.  Tray with products insert into turning table, the tray will be turn 180 degree for discharging the products into rotating sieve drum , then turn another 180 degree up, then be pushed out from   the turn table .


Starch and product separation 


Starch with products after discharge at turn table , will fall onto rotary drum . with air cleaning system  for cleaning the starch and products. With one group starch pre-cleaning browing system  


Starch collection by a series of internal spirals and an external vertical spiral


After starch separate sieve, the starch will collect by the group of spiral system under the rotating drum. Starch sent by external vertical spiral to starch box on the top of machine.


Tray filling and surface leveling. 


A starch hopper positioned over the tray conveyor dispenses starch into the tray. The amount of starch is regulated by the variable speed rotary paddle in the hopper. The starch surface is smoothed by the reciprocating horizontal leveler immediately after filling.


Printing of product shapes in starch


It is by the complete mold board which permits pressed to be transmitted to the mold for accurate molding and clean mold lift off. A controllable pneumatic knocking mechanism is provided to free the mold cleanly and break the vacuum before the mold board is lifted.  Mold board is held by quick acting lever clamps and slid into place by one man from the side of the machine.  Speed of printing is adjustable according to the main speed


The Trays are transported through the Starch Section by one servo motor, it will synchronize with the main machine.


The Frame is designed to accommodate 2 pumping positions. 


At each position of the pumps,  depositing the material inside the trays with FULL TRAY depositing system.


The No. 1 servo motor depositor is equipped with a pump of side-by-side design capable of depositing up to 2 separate color articles per tray. The pump is equipped with two hoppers.


Typically the pump on the first position is used to center of  “MALTESERS”. The pumps use valve bar ensuring identical delivery of mass to each piston and nozzle, as well as simplicity of operation and low repair costs. The complete pump body made by stainless steel 316. The valve bar  running is effected by a conventional hydraulic cylinder, connected by connecting bar. The valve bar made by smithing albronze, more stronger.


The Depositor settings for deposited volume such as the length of the piston stroke as well as the timing of the  valve bar are effected through adjusting on the touch screen parameter. The precise adjustment of the volume by motion controller


Two important parts on the depositing pump, namely the Nozzle plate and the piston bar, are designed to deposit a specific product. Charge of product often makes it necessary to change these parts which because of their design can be changed within minutes.  depositing pump supplied on the machine should with one nozzle plate and one piston bar, Additional nozzle plates and pistons bars are offered separately below.


The Trays are transported through the Depositor Section by one servo motor, which is synchronized with the main machine


Automatic Tray Stacker.


Construction is similar to the feeder. A group of up to 4 trays is accumulated in the stacker magazine. Stacker clamps carry the groups of trays in a smooth, continuous motion and form a complete stack on the pallet at the discharge side of the section. The empty pallets are automatically delivered from the feeder to the stacker by the pallet underfeed conveyor, once the stack of tray is complete, the pallet is advanced to make room for the next stack. When two stacks are complete, the pallet is advanced further onto the roller track from which it is transported to the drying room by small cart.


Electric cabinet   1 pc


  • Electric components: Schneider
  • Servo motor and inverter:SIMENS
  • PLC controller:SIMENS
  • Touch screen: SIMENS
  • Normal motors and gear box: Chinese brand
  • Bearing: NSK or FYH


Bag type starch collection machine  1 pc


Collecting the starch of depositing machine and other related machines. It is controlled in the electric cabinet of the depositing machine.


  • Electric components: Schneider+Zhengtai
  • Fan and silencer: Made in China


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