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This U-type screw conveying system is customized for mixer, plastic extruder and injection molding machine. Driven by frequency conversion gear motor, it adopts air purging shaft sealing and inlet pneumatic pad structure. Equipped with distributing and lump breaking device, it matches variable pitch screw for poor fluidity bulk materials. Integrated with auto feeding, mixing and vacuum conveying modules, it finishes automatic weighing, mixing and conveying for all powder and granular materials with high dosing accuracy, easy disassembly and daily cleaning.
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This professional screw conveying system is specially developed to match industrial rubber/plastic mixer, plastic extruder and injection molding processing equipment. Different from common closed tubular screw conveyor, this machine adopts open U-shaped barrel overall structure, cooperating with gear motor, frequency inverter, double-end bearing support and air purging shaft sealing assembly to form stable enclosed conveying power structure.
Combined with supporting automatic feeding unit, mixing unit and vacuum conveying unit, the whole system realizes one-stop automatic procedures including raw material feeding, vacuum conveying, quantitative weighing, uniform mixing and fixed-point discharging. Aiming at the conveying pain point of poor fluidity bulk powder, flaky and agglomerated particle materials, the system installs pneumatic auxiliary blanking pad at material inlet, customized variable-pitch screw shaft, as well as built-in material distributing and lump breaking device. It effectively solves material bridging, adhesion and blockage problems during conveying and dosing.
The whole equipment features adjustable operating speed, sealed shaft anti-leakage design, detachable barrel structure, applicable for matched feeding work of plastic extrusion, injection molding, rubber mixing and compounding production lines, meeting high-precision continuous dosing conveying demands of plastic and chemical processing factories.
Bearing structure: Double-end integrated bearing support to enhance shaft operation stability
Shaft sealing: Professional air purging system for shaft anti-leakage and dust isolation sealing
Inlet auxiliary structure: Pneumatic pad mounted on material inlet to solve blanking difficulty of poor flowing materials
Barrel design: Detachable U shape barrel, convenient for daily disassembly, residue cleaning and model maintenance
Precision auxiliary parts: Equipped with distributing and lump breaking device to guarantee high accuracy dosing effect
Custom screw: Different pitch screw optional, targeted for conveying bad flowing bulk solid materials
Firstly, adjustable conveying speed. Equipped with frequency inverter to control gear motor operating speed, operators can adjust feeding volume and conveying speed freely according to mixer and extruder production capacity, realizing matched feeding speed.
Secondly, durable and leakproof shaft structure. Double-end bearing reduces shaft radial runout, air purging shaft sealing avoids fine powder leakage, prolong bearing and shaft service life.
Thirdly, strong material adaptability. Variable pitch screw and inlet pneumatic pad solve bridging, caking and blanking blocking problems, suitable for sticky, powdery, granular, low-fluidity industrial bulk materials.
Fourthly, easy maintenance and cleaning. Open U-type barrel can be disassembled quickly without special tools, convenient for material replacement, inner residue cleaning and regular equipment maintenance.
Fifthly, high dosing and conveying precision. Built-in lump breaking and distributing device breaks material agglomeration evenly, ensures uniform material feeding, effectively improves dosing precision for subsequent mixing and extrusion processing.
Sixthly, integrated multi-function design. Combine auto feeding, vacuum conveying, online mixing and screw discharging into one system, directly connect with mixer, extruder and injection machine, save independent feeding equipment cost.
Seventhly, wide industrial applicability. Universal design for plastic compounding, rubber mixing, chemical raw material, new material powder processing industries, compatible with most mainstream plastic extrusion and injection molding models.
A1: It is specially designed and matched with industrial material mixer, plastic extruder and plastic injection molding machine, supporting front-end feeding and dosing work for plastic and rubber mixing production lines.
A2: Yes. It adopts different pitch screw, inlet pneumatic blanking pad and lump breaking device, specially optimized for poor flowing, easy-agglomeration bulk powder and particle materials to avoid material blockage.
A3: The gear motor is equipped with supporting frequency inverter, realizing stepless speed adjustment, which can change conveying flow and feeding quantity flexibly according to production formula.
A4: The open U-type barrel is detachable, staff can clean residual materials inside the barrel quickly without dead angle, which is more suitable for frequent material formula replacement production workshops.
A5: The air purging sealing system isolates fine powder from rotating shaft and bearing parts, prevents powder infiltration abrasion, realizes dust-free sealing, and reduces equipment failure rate.
