115KW AC 380V Electric Heating Batch Ovens

Product Specification

Electric Heating Type Curing Furnace Layer Type Industrial Tunnel Type Curing Box

1. Equipment overview

◆Usage: Industrial layer curing furnace is mainly used for tray baking
◆Features: It adopts multi-layer structure design, the equipment occupies a small area, and the heating adopts integral aluminum plate heating, which has good uniformity and high cleanliness.
2. Main technical indicators of equipment

◆Product specifications: tray size 400mm*500mm, thickness 0.4mm-1.1mm.
◆Production beat: 30S/PCS
◆Heating method: IR heating plate heating.
◆Baking temperature: room temperature -200℃ can be adjusted arbitrarily, usually 150℃
◆Baking time: 150S-240S (set according to process requirements)
◆Ramp up time: ≦30 minutes
◆Outlet temperature: below 45℃
◆Incoming method: the feeding conveyor roller is docked with the upstream equipment roller to convey the glass to the machine.
◆Discharge method: The discharging conveying roller is connected with the downstream equipment roller to convey the glass to the downstream equipment.
◆The glass conveying method in the furnace: the robot is used for conveying, and the robot supports the bottom surface of the glass.
Three, equipment action process
◆Glass flows into the feeding and conveying rollers of the machine, and the whole column mechanism positions the glass, waiting for the robot to take the material.
The manipulator places the glass in the feeding section in the preheating zone for preheating.
The manipulator takes out the preheated glass and places it in the main curing temperature zone for main curing.
The manipulator takes the solidified glass out of the solidification zone and places it in the cooling station for cooling.
The manipulator takes out the cooled glass and places it on the discharge roller, which sends the glass out of the machine.
Four, equipment structure
1. Feeding conveyor section
◆Docking the upstream equipment conveyor roller, transport the glass into the machine table, the conveyor roller is made of UPE anti-static material, and the contact glass end surface is polished to ensure that the bottom surface of the glass is not scratched.
◆The roller axis adopts stainless steel grinding and straightening processing to reduce the roller bounce and avoid scratching the glass.
◆The roller is transmitted by the magnetic gear to ensure that the roller runs smoothly without shaking and no dust.
◆ Driven by AC gear reduction motor, coordinated with frequency converter for speed regulation, it is convenient to synchronize with the upstream machine speed. The feeding position is equipped with a set of optical fiber detection switches, which automatically start the conveying roller when the glass is fed in, and stop conveying when there is no material to save energy. A set of glass in-position detection fibers, with the entire array mechanism to ensure that each piece of glass stays accurately and does not deviate, which is convenient for machinery Hand reclaiming.
◆The entire row mechanism is driven by an air cylinder, and the entire row width is a fixed width. A set of top PIN lifting mechanism lifts the aligned glass 50mm away from the surface of the roller, which is convenient for the manipulator to transport the bottom surface of the fork glass for reclaiming. The lifting is driven by an air cylinder, and the four-sided guide pillars are fixed to ensure the smooth lifting of the glass.
2. The preheating temperature zone preheats the glass to shorten the main curing heating time. It adopts integral aluminum plate heating and hard film oxidation treatment on the surface of the worktable to ensure no dust. 8 heating plates with 8 layers, heating area 500mm*600mm. The temperature of each temperature zone is controlled independently, and there is a mechanical temperature protection switch to prevent the temperature control failure and lead to product failure. The temperature control method adopts PLC + temperature module and SSR solid state relay to drive heating, and the temperature setting and display are concentrated on the man-machine interface.
◆The heating plate power is 220V 4KW/block.
◆Temperature difference range: the surface uniformity of the hot plate is less than ±3℃, and the surface uniformity of the constant temperature glass is less than ±5℃.
◆Preheating time: 150S-240S/PCS (set according to process requirements)
Each temperature zone is equipped with an independent door panel, and the corresponding temperature zone temperature panel automatically opens when the glass is placed.
The surrounding heat preservation and insulation ensure the stable temperature in the furnace and reduce the heat emission into the room.
The top of the temperature zone is equipped with a strong exhaust fan to discharge the volatilized melt from the heating chamber during baking.
Bar racks are used in the furnace to support the bottom surface of the glass, which is placed in the furnace for baking. There are four sets of bar racks. The surface is inlaid with PEEK support points to contact the bottom surface of the glass to ensure that no marks or scratches are left on the glass surface after baking.
3. Main curing temperature zone
◆The manipulator puts the preheated glass in the main curing temperature zone for heating at a constant temperature.
It adopts integral aluminum plate heating and hard film oxidation treatment on the surface of the worktable to ensure no dust.
There are 20 heating plates in 20 layers, and the heating area is 500mm*600mm.
The temperature of each temperature zone is controlled independently, and there is a mechanical temperature protection switch to prevent the temperature control failure and lead to product failure.
The temperature control method adopts PLC + temperature module and SSR solid state relay to drive heating, and the temperature setting and display are concentrated on the man-machine interface.
◆The heating plate power is 220V 4KW/block.
◆Temperature range: normal temperature -200℃
◆Temperature difference range: the surface uniformity of the hot plate is less than ±3℃, and the surface uniformity of the constant temperature glass is less than ±5℃
◆Constant temperature time: 90-120S/PCS (set according to process requirements)
Each temperature zone is equipped with an independent door panel, and the corresponding temperature zone temperature panel automatically opens when the glass is placed.
The surrounding heat preservation and insulation ensure the stable temperature in the furnace and reduce the heat emission into the room.
The top of the temperature zone is equipped with a strong exhaust fan to discharge the volatilized melt from the heating chamber during baking.
◆Bar racks are used in the furnace to support the bottom surface of the glass, and the oven is steadily placed for baking. A total of four sets of racks are equipped with PEEK support points on the surface to contact the bottom surface of the glass to ensure that no marks or scratches are left on the glass surface after baking.
4. Product cooling zone
◆After the glass is solidified in the main curing area, place the glass in this area to cool down, so as to cool the product surface.
There are 8 layers of cooling stations, which can cool 8 pieces of glass at the same time.
Cooling time is 240S/PCS (set by man-machine interface according to process requirements)
◆Forced air cooling, left and right convection mode, the top is equipped with a strong exhaust fan to discharge the heat inside the machine.
After cooling, the glass surface temperature is lower than 35°C.
5. Discharge conveying section

◆The roller axis adopts stainless steel grinding and straightening processing to reduce the roller bounce and avoid scratching the glass.
Driven by an AC gear reduction motor, coordinated with a frequency converter for speed regulation, it is convenient to synchronize with the speed of the downstream machine.
The discharging position is equipped with a set of optical fiber detection switches, and the conveying roller is automatically started when the glass is sent out, and the conveying is stopped after the feeding is completed to save energy.

◆The entire row mechanism is driven by an air cylinder, and the entire row width is a fixed width.

◆The lifting is driven by an air cylinder, and the four-sided guide pillars are fixed to ensure the smooth lifting of the glass.
6. Other structure description

◆Two sets of conveying manipulators are made of screw rod modules and driven by servo motors.
◆The frame base of the whole machine adopts square tube welding paint, the appearance is four stainless steel sealing plates, and the upper cover adopts aluminum alloy frame.

Front and rear transparent door panels.
◆The aluminum parts are processed with anode treatment, and the iron parts are chrome-plated on the surface.
◆All door panels are equipped with access switches to prevent personal injury caused by the movement of the door opening manipulator.
◆Glass conveying direction is 900 ± 20 mm from left to right.
◆There is an exhaust device above the manipulator area to reduce odor.
◆The equipment size is L4500mm*W1900mm*H2500mm.
◆Power source: AC 380V three-phase 50Hz 115KW
◆Air source: clean compressed air: 5kg/cm 2 250L/min Rc1/2" fast connection, equipped with flow meter.
◆Exhaust: 3 groups Ø100 10m³/min (exhaust pipe with insulation cotton, surface temperature≦15℃)