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MPE CHAIN-VEY Installation & Operation Manual

6" tubular drag conveyor
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Summary of Contents for MPE CHAIN-VEY

  • Page 2: Table Of Contents

    GENERAL INFORMATION pg. 2-3 INLETS pg. 10 Safety Recommendations and Warnings Safety Instructions Equipment Identification 180° DRIVE UNIT pg. 4-5 CHAIN / DISCS pg. 11-12 180° TURNAROUND UNIT pg. 6 FLOOR / CEILING SUPPORTS pg. 12 OPERATION pg. 13-16 Setting the Tension Testing DISCHARGE UNIT pg.

  • Page 3: General Information

    General Information: Safety Recommendations and Warnings MPE Chain-Vey conveyors are built and tested to comply with current safety regulations and laws. To continue this practice of safety, MPE requires that the following is noted: Before installing, operating, or servicing the conveyor, it is necessary to completely understand the information found in this manual.

  • Page 4: Equipment Identification

    Equipment Identification 1. 180° Tensioning Turnaround Unit 2. Product Inlet 3. Product Inlet with optional Flow Baffle 4. Double-pipe Floor Support 5. Product Sight Glass 6. Compression Coupling 7. Sweep Elbow 8. Rotary Discharge 9. Rotary Discharge – Discharge Transition 10.

  • Page 5: 180° Drive Unit

    180° Drive Unit: Used in conjunction with the 180° turnaround unit, the 180° drive unit is the mechanism that pulls the chain through the system. The chain is pulled through the drive unit by a sprocket which is powered by an electric gearmotor. The drive unit may be run in either direction, and the chain can enter or exit through either of the two ports.
  • Page 6 When the drive is used as a discharge point, the unit may be equipped with adjustable air jets. The air jets aid the discharge of product and keep the chain/discs clean of any residue. The air jets are adjusted by using the air flow controller to reduce and increase air flow to the jets. To allow for pressure relief, all units are supplied with a low-profile breather vent.

  • Page 7: 180° Turnaround Unit

    180° Turnaround Unit: Used in conjunction with the 180° drive unit, the 180° turnaround unit is the mechanism that keeps the chain tensioned within the system. The turnaround unit may be run in either direction, and the chain can enter or exit through either of the two ports, but must correspond with the direction of travel on the drive unit.

  • Page 8: Discharge Unit

    Discharge Unit: The discharge unit is placed in the conveyor system at any location of desired product discharge. The discharge unit has a pneumatic rotary actuated drop-door which allows for remotely opening and closing the discharge. Multiple discharge units may be placed in a system when multiple discharge points are required. The discharge unit is to be ceiling suspended or base mounted.

  • Page 9: Conveyor Piping

    Conveyor Piping: Piping: Chain-Vey conveying pipe is seamless 6" sch10 stainless steel pipe. The pipe OD is 6.625” [16.83cm] with a wall thickness of 0.13” [0.34cm]. The weight of the pipe is approximately 9.29 lbs/ft [14.2 kg/m] Elbows: Conveying elbows are used for gradual transitions in the direction of chain travel. The elbows are bent seemless 6”...
  • Page 10 Sightglass: The sightglass has the same dimensions as the stainless steel conveying piping, and is installed to enable viewing the product as it is being conveyed, as well as permit inspection of the chain and discs. The sightglass is made from durable polycarbonate, but can be scratched or dented if not handled properly.
  • Page 11 For the least amount of wear on the discs, the ERW line of the pipe should be oriented at the top of the tube. Inlets: Inlets are the entry point of product into the conveying system. Systems using the 180° drive and turnaround units should be configured having a “product side”...

  • Page 12: Chain / Discs

    Chain / Disc: Chain-Vey chain is custom made and is rated for a minimum breaking load of 9,000 lbs [4,082 kg]. Conveying discs are molded from FDA compliant, ultra low friction UHMW. The weight of the chain and molded discs is approximately 2.11 lbs/ft [3.14 kg/m].

  • Page 13: Floor / Ceiling Supports

    The chain connector link joins the two ends of the chain together to complete the loop. The clean-out disc is a 1/8” [.32cm] thick FDA compliant polyurethane disc used for wiping the inside walls of the conveyor piping. Because the OD of the clean-out disc is larger than the ID of the piping, it is able to collect any product that is left behind by the conveyor discs.

  • Page 14: Operation

    Operations: 1. Setting the Tension When rotated clockwise or counter-clockwise, the tensioner nuts move the tensioner plate towards or away from the inlet outlet ports, placing more or less tension on the chain. Once the desired tension is obtained, it is important to tighten the nuts against each other to ensure that the tension is locked.
  • Page 15 2. Setting the Tension Switch To control any undesirable fluctuations in the tension of the system, each 180° turnaround unit is equipped with a tension limit switch. Any adverse changes in the tension (+ or -) will "trip" the switch which in-turn cuts power to the conveyor. This allows the operator the opportunity to examine the tensioning issue prior to damaging the equipment or causing disengagement from the sprocket.

  • Page 16: Testing

    3. Testing Check the conveyor thoroughly before first turning it on. - check that all covers and safety features are installed and function properly - check that all tools have been removed from the conveyor - before running for a long period of time, check that the conveyor runs in the intended direction. During the first hour of running, the equipment should be watched closely so that it may be stopped immediately if necessary.

  • Page 17: Flow Control

    4. Flow Control When there is a bulk source or direct head-load of product feeding the Chain-Vey conveyor, the inlet flow control baffle is very important. The flow control baffle utilizes two plates on a pivot which increase or decrease the opening of the inlet. Two hand knobs are used to adjust and also lock the plates' position once the desired feed rate is attained.

  • Page 18: Maintenance

    Maintenance: Maintenance should be carried out by trained personnel in order to avoid personal injury or damage to equipment. Deviations from normal performance (higher power input, higher temperatures, vibration, unusual noises or odors, etc.) indicate that functionality of the unit is impaired. The frequency of inspections is dependent on several variables, but the should be routinely addressed.

  • Page 19: Troubleshooting

    2. Troubleshooting If in doubt, switch off the equipment immediately!! ISSUE PROBABLE CAUSE Chain "jumps” Sprocket Tension Too Low Tension Too High Product Build-Up on Sprocket Wear on Chain Wear on Sprocket Twisted Chain Chain / Connector Breaks Foreign Object in Conveyor Product Build-Up in Conveyor Conveyor is Overloaded Chain is Worn...

  • Page 20: Equipment Lubrication

    For units installed in the standard upright position (nameplate should state “Mount Pos. M5A”) the recommended amount of oil is 1.16 gallons [4.4 liters]. For any other mounting position, contact MPE for recommended oil amounts. Turnaround Unit: The two flange bearings located on the Turnaround unit are double sealed and are permanently pre- lubricated with USDA approved H1 grease.
  • Page 21 4. Replacement of Chain Before removing the chain, the conveyor must first be run until empty. The conveyor should then be run at low speed to allow for stopping the conveyor at the point when the chain connector link is easily accessible through the turnaround unit.

  • Page 22: Electrical

    ELECTRICAL INSTALL: 1. Drive Unit Wiring THREE PHASE MOTOR SINGLE PHASE MOTOR Two of the three phases of the motor are passed through Each motor wire is passed through the shock relay’s CT in the shock relay’s CT in the same direction. the same direction.
  • Page 23 2. Drive Unit - Devicenet Wiring Terminal Assignment Name Direction Function Input DeviceNet reference potential 0V24 CAN_L Input/Output CAN_L data line DRAIN Input Equipotential bonding CAN_H Input/Output CAN_H data line Input DeviceNet voltage supply 24V Reserved Reserved Reserved Reserved Reserved Input 24V voltage supply for module electronics and sensors Output...
  • Page 24 3. Drive Unit – VFD Wiring [1] DC 24V supply (external or MLU../MLG.. option) [5] Ready signal (contact closed = ready for operation) [2] CW/stop [6] BW braking resistor (only on units without mechanical [3] CCW/stop brake) [4] Setpoint switch mode f1/f2 Functions of the CW/stop and CCW/stop terminals with binary control: Direction of rotation CW active Direction of rotation CCW active...
  • Page 25 4. Drive Overload – Shock Relay The shock relay is mounted in the system control panel and is used to monitor the motor current and indicate when a motor overload has been detected. If the overload lasts for longer than a preset amount of time, the shock relay will act as an electric shear pin and interrupt the supply of power the to motor.

  • Page 26: Tension Switch

    5. Tension Switch The tension/limit switch... Operating voltage: 24 - 400V AC/DC 6. Solenoid Valves The solenoid valves are used to control the pneumatically operated components. The solenoid valves are supplied in either 24VDC or 110VAC depending on customer requirements. 5 Port 2 Position Type Cv 1.39 [Kv 1.63]...

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