Automatic Paint Pail Filling Machine High Precision Weighing System

Conquering the Dual Technological Bottlenecks of "Viscosity and Aeration" in Paint Pail Filling

Within the coatings and chemical manufacturing sector, architectural paints and industrial coatings present a high-viscosity challenge. The ultimate obstacle is air entrapment (aeration) and splashing caused by high-speed liquid impact during the filling process. Aeration leads directly to weight dosing errors, material spillage, pail exterior contamination, and severely restricted Overall Equipment Effectiveness (OEE). This integrated filling system is specifically engineered to overcome the heavy-duty packaging complexities of bulk paint products.

Submerged Servo Filling: Eradicating Aeration and Splashing Risks

At the heart of the equipment is advanced Submerged Servo Filling Technology. The filling nozzles intelligently initiate the process at the very bottom of the paint pail, rising synchronously and precisely with the accumulating liquid level. This highly controlled motion path, combined with programmable flow-rate curves, ensures the product is consistently injected beneath the liquid surface. This mechanism fundamentally eradicates bubble entrapment and splashing contamination at its physical source, securing a flawless 100% filling yield.

High-Precision Net Weight Dosing: Stability Above All

Targeting the large-volume round or square pails common in coating manufacturing (CMOs), the line employs an advanced Net-Weight Dosing System utilizing high-precision load cells. Unlike flow-rate fluctuations experienced by standard pump technologies when handling extreme paint viscosities, the weighing scale provides real-time data feedback to the filling valves, ensuring absolute weight consistency for every cycle. This guarantees extreme dynamic dosing accuracy even when processing bulk specifications, drastically slashing expensive material giveaway and defective reworks.

Integrated Lid Sealing: Controlled Closure Assurance

The intermediate product reservoir features standard high/low-level sensors with automated feed linkage. Following the filling station, the integrated sealing module utilizes industry-leading lid-pressing or torque-control technology (adaptable for snap-on paint pail lids or screw caps). This secures absolute consistency in sealing force for every single pail, entirely eliminating the risk of leakage during transit. The entire line strictly complies with CE standards and chemical plant explosion-proof (EX) requirements, featuring tool-less, rapid changeover designs to optimize operational costs in your coatings facility.

Technical Parameter | Specification / Data

• Machine Model: Automatic Weighing Paint Pail Filling Machine (Multi-head configurations available)

• Filling Technology: Net Weight Dosing via high-precision load cells

• Target Products: Viscous liquids (e.g., Latex Paint, Industrial Coatings, Resins)

• Filling Range: 10kg to 30kg (Customizable per pail specifications)

• Filling Accuracy: ±10g (measured for 10kg - 30kg range)

• Production Capacity: Approx. 400 - 1000 pails/hour (Depending on head count and material)

• Construction Material: Main Frame: Stainless Steel 304; Material Contact Parts: Stainless Steel 316 / PTFE

• Working Air Pressure: 0.6 MPa to 0.8 MPa

• Compressed Air Consumption: ~0.5 m³/min

• Power Supply: AC380V, 50Hz (Customizable per region)