300-350mm Pressure Controlled Hydraulic Hot RollerPress Machine With Optional Winding & Unwinding System

300-350mm Pressure Controlled Hydraulic Hot RollerPress Machine With Optional Winding & Unwinding System

1. Function

The rolling press machine is the main equipment in the continuous rolling production line, consisting of a rigid frame, a roll pair, a universal coupling, a motor reducer, a gas-liquid boosting system, a gap adjustment system, an electrical control system, a feeding guard plate, and a roller surface cleaning mechanism.

The main function is to achieve the appropriate density of the electrode under the rolling of the roller, and to meet the thickness requirements of the electrode according to the coating thickness. This equipment adopts a ball screw wedge iron gap adjustment structure to adjust the roller gap, and the linear speed is adjusted through a frequency converter to achieve stepless speed regulation.

3. Basic parameters

3.1. Configure power supply

Three phase five wire AC380V, 50Hz, voltage fluctuation range:+10%~-10%; The maximum starting power of the equipment is 31kW.

3.2. Compressed air

1) 0.6MPa~0.8MPa, pressure fluctuation ± 1% (clean air after water removal, oil free, filtration, and pressure stabilization), compressed air consumption: 0.3m3/h.

3.3. Equipment specifications

1) Equipment weight: approximately 6 tons.

2) External dimensions: L (2000mm) * W (750mm) * H (1140mm) (including electrical cabinet, excluding maintenance operation channel)

3) Appearance color: Standard color (computer gray)/customer can choose the color themselves

4) Structural diagram: see equipment layout diagram

3.4. Environmental requirements

1) Environmental temperature: 25 ± 3 ℃

2) Relative humidity: 10%~30% RCH, ensuring that the on-site air is dry, unobstructed, and free from acid and alkali corrosion

3) Ground wire: protective grounding

4. Main component configuration

4.1 Unwinding mechanism

This device is used to support the coil material to be rolled and transport it to the calender machine for rolling. This device consists of a frame, linear bearings, deviation correction device, pneumatic expansion shaft, servo and tension controller, guide rollers, and other parts.

Unwinding roller: diameter Ф 76mm, effective length 550mm; Equipped with control valve and inflation shaft, equipped with inflation gun

Maximum unwinding diameter: Ф 400mm

Unwinding capacity: 300kg

Tension controller: 0-25N. m (adjustable), using French Corti tension control device

Deviation correction equipment: Adopting Dongdeng control system, the controller accuracy is ± 0.2mm (Re).

4.2 Rolling press mechanism(the parameter of 1st roller and 2nd roller is the same)

1) Roll specifications (roll surface diameter * roll surface width): φ 300mm × 350mm

Effective width of roller surface: 300mm

Roller speed: 2~12rpm, continuously variable and adjustable

Roll material: 9Cr3Mo

Surface hardness of roller body: HRC ≥ 66

Roll quenching and tempering: HB280-300

Quenching layer depth: ≥ 12mm

Roll diameter deviation: ≤ ± 0.001mm

Roll surface roughness: Ra=0.2

Chromium plating thickness of roller: ≥ 0.18mm

Cleaning of roller surface: Adopting a blade adjustment device with adjustable depth, the blade is of a closed blade structure, and the scraper is close to the roller surface for automatic removal of roller adhesive material. It is equipped with a collection box, and the blade cleaning consists of two sets of upper and lower rollers;

Overall no-load radial runout: ≤ ± 0.002mm;

2) Transmission method: articulated coupling transmission

3) Main motor power: 8kW (2 units * 4KW 380V 50Hz)

4) Hydraulic cylinder specification: cylinder diameter φ 200mm, stroke 10mm

5) Maximum rolling force: 2000KN

6) Two roller line pressure: 0.45-4.5t/cm

7) Adjustment method: adjust the middle wedge block and press it under constant hydraulic pressure

Roll gap adjustment range: 0-3mm

Roller bearing: P5 grade high-precision bearing

8) Heating: Adopting Omron temperature controller, solid-state relay, and K-type thermocouple to form a closed-loop control heating system.

Heating power: 1.6KW * 2 (one for each upper and lower roller) Voltage: 220V

Accuracy: ± 2 ℃. Maximum temperature: 150 ℃.

9) Roller weight: approximately 2.5T

10) Equipment color: Supplier's standard color

11) Equipment layout direction: The driving power part is on the left side of the feeding end

4.3 Rewinding mechanism

The function of the winder is to wind the compacted electrode material onto the core shaft. This device consists of a frame, linear bearings, deviation correction device, pneumatic expansion shaft, servo winding, servo and tension controller, guide roller, and other parts.

Main technical parameters:

1) . Winding shaft: Inflation shaft diameter: Ф 76mm effective length: 550mm, with control valve and inflation shaft, equipped with inflation gun

2) Maximum unwinding diameter: Ф 400mm

Maximum bearing capacity: 300kg

3) Tension controller: 0-25N. m (adjustable), using French Corti tension control device

4) Deviation correction device: adopts Dongdeng control system, with a controller accuracy of ± 0.2mm (Re).

4.4. Electrical control system:

The electrical part of the entire equipment is controlled by the operation panel on the electric control cabinet, consisting of the main rolling motor frequency converter, winding motor, electric boosting system, servo motor, tension controller, and other components.

1) The unwinding machine is controlled by a tension controller through a servo motor to control the unwinding tension.

2) The calender machine is driven by the main motor (variable frequency speed regulation motor 1.5kW * 2), which drives the roll to rotate through a reducer and universal coupling. The variable frequency speed regulation is achieved through frequency converter control.

3) The winding machine is driven by a winding motor to drive the winding shaft to achieve winding. The tension controller controls the winding tension through a servo motor.

4) The electric boosting system drives the lifting of the rolling lower roller by controlling the lifting of the oil cylinder through electronic control.

5) The winding and unwinding correction control is completed by driving the unwinding machine and the winding machine correction device to work through the driving motor.