Complete Automation System for Injection Molding
Automatic water supply and feeding system for injection molding
  • Automatic water supply and feeding system for injection moldingAutomatic water supply and feeding system for injection molding
  • Automatic water supply and feeding system for injection moldingAutomatic water supply and feeding system for injection molding
  • Automatic water supply and feeding system for injection moldingAutomatic water supply and feeding system for injection molding

Automatic water supply and feeding system for injection molding

Gaoxin's automatic water supply and feeding system for injection molding is one of the core auxiliary systems that enable efficient, stable, and intelligent production in modern injection molding plants. It consists of two core components: an automatic feeding subsystem and an automatic water supply subsystem. These two subsystems are highly integrated and centrally monitored and scheduled through a central control panel or factory management system.


As a core equipment for injection molding production, Gaoxin Automatic Water Supply and Feeding System integrates high automation, stable performance and high cost-effectiveness, becoming an indispensable infrastructure for modern injection molding factories to upgrade their production capacity and enhance core competitiveness.

1. High Automation: Reduce Labor Costs & Avoid Human Errors

The system completely abandons the traditional manual operation mode, realizing full-automatic handling of injection molding raw materials, as well as automatic adjustment and control of water temperature and pressure. This not only greatly reduces the workload of operators, relieves labor pressure, but also effectively avoids quality hidden dangers caused by human operation errors, ensuring the standardization of the production process.

2. Stable Performance: Ensure Consistent Production & High-Quality Products

With continuous automatic feeding function, the system maintains the continuity of production and the consistency of raw material supply, fundamentally preventing quality fluctuations between different production batches. At the same time, the stable constant-temperature cooling system ensures the thermal balance of the mold during the molding process, which directly affects the dimensional accuracy, appearance quality and molding cycle of the product, and significantly improves the product qualification rate and overall production output.

3. High Cost-Effectiveness: Optimize Cost Control & Improve Efficiency

In terms of cost management, the system achieves multi-dimensional cost savings for factories: precise control of raw material usage avoids waste; intelligent optimization of energy consumption reduces energy loss; reduced reliance on labor cuts labor costs; and scientific operation mode extends the service life of equipment while improving factory space utilization. All these advantages effectively reduce the overall operating cost of the factory and enhance the economic benefits of the enterprise.

In summary, Gaoxin Automatic Water Supply and Feeding System for Injection Molding is not only a key tool to improve the level of production automation, but also a reliable guarantee for enterprises to stabilize product quality, reduce operating costs and enhance market competitiveness.



Raw material storage → centralized drying and batching → feeding system → injection molding machine

Cooling tower → large chiller → water storage tank → water pump unit → injection molding machine


Injection Molding Central Feeding System


A Key Step Toward Intelligent and Efficient Production

In the increasingly competitive manufacturing environment, cost reduction, efficiency improvement, and quality enhancement are the eternal core demands of enterprises.

The injection molding central feeding system completely replaces the traditional decentralized and inefficient manual loading model through automated, centralized, and intelligent raw material processing, providing a key solution for enterprises to achieve production upgrades.



Injection molding automation system-auxiliary equipment


  • Raw material distribution station

  • Energy-saving high-temperature dryer

  • Dehumidification dryer

  • Machine-side crushing and recycling

  • Mold heating machine

  • Mould chiller


Injection Molding - Centralized Material Feeding Features and Working Principles


A standard centralized material feeding system consists of the following components:

1. Centralized Material Storage: Large Storage Tanks (or Raw Material Bags)/Vacuum Hoppers.

2. Power Delivery: Centralized Vacuum Blower (Roots or Vortex Blower), Vacuum Generator.

3. Dehumidification and Drying: Centralized Dryer (Twin Tower/Honeycomb Rotary), Drying Bucket.

4. Proportioning and Mixing: Centralized Raw Material Masterbatch Machine (Optional).

5. Conveying Pipeline and Control System**: Pressure-Resistant and Wear-Resistant Conveying Pipes, Diverter Station (Optional Valves), Centralized Control Panel (PLC/PCC).

Workflow: Centralized Control System Issues Command → Vacuum Pump Generates Negative Pressure → Raw Material is Sucked Out of Centralized Material Storage Bucket → Transported Through Closed Pipes → Switched to the hopper of the target injection molding machine via the Diverter Station → Automatically Stops Upon Filling → Cycles


Injection Molding - Centralized Material Feeding Field Case Study



Four-Color Weighing Mixer


Injection Molding Central Feeding System: Core Advantages: Why is a Central Feeding System the Inevitable Choice for Modern Injection Molding Workshops?

Compared to traditional stand-alone operations, a central feeding system brings comprehensive innovation, with advantages reflected in multiple dimensions:


1. Improved Production Efficiency and Automation


24-Hour Uninterrupted Feeding: The system operates fully automatically, automatically delivering raw materials from storage tanks to each injection molding machine via sealed pipes, eliminating production interruptions caused by manual feeding and maximizing Overall Equipment Utilization (OEE).

Shortened Molding Cycle Time: Stable and continuous material supply ensures optimal operating conditions for injection molding machines, reducing waiting time.

The Foundation of an "Unmanned" Workshop**: It is the cornerstone of building an "unmanned factory" (unmanned factory) for injection molding, paving the way for future comprehensive intelligent upgrades.



Raw material drying and dehumidification - centralized proportioning and mixing



Raw material drying and dehumidification - centralized proportioning and mixing


Injection Molding Central Feeding System: Core Advantages: Why is a Central Feeding System the Inevitable Choice for Modern Injection Molding Workshops?


2. Significantly Reduced Operating Costs


Reduced Labor Costs: A central feeding system can replace multiple handlers, allowing a single operator to easily manage the entire workshop's raw material supply, freeing up labor from heavy, repetitive tasks and enabling them to focus on higher-value work.

Reduced Material Waste and Loss:

* Closed-loop pipe transportation completely eliminates spillage, contamination, and packaging bag residue loss during manual handling.

* Accurate metering and distribution eliminates waste caused by over- or misplaced material.

* Comprehensive raw material recovery systems (such as powder extraction and nozzle recovery) automatically recycle waste materials for optimal utilization.

* Reduced Energy Consumption: Centralized drying and conveying significantly reduces energy consumption by 20%-30% compared to equipping each injection molding machine with a separate dryer.



Centralized Material Feeding - Injection Molding Workshop


Injection Molding Centralized Material Feeding System: Core Advantages: Why is a Centralized Material Feeding System an Inevitable Choice for Modern Injection Molding Workshops?


3.Ensuring Stable and Consistent Product Quality


Avoiding Raw Material Contamination: The fully enclosed conveying process effectively isolates moisture, dust, and impurities from the air, which are the "invisible killers" of product quality.

Excellent Drying: The central drying system provides extremely stable, uniform, and thorough drying, ensuring that every grain of raw material entering the injection molding machine reaches the optimal molding moisture requirement, fundamentally reducing product defects such as silver streaks and bubbles caused by moisture.

Accurate Formula: The system, controlled by a PLC or computer program, automatically and precisely mixes multiple raw materials and masterbatches, eliminating human error and ensuring highly consistent color and performance across each batch.



Central feeding-injection workshop



Central feeding-injection workshop


Injection Molding Central Feeding System: Core Advantages: Why is a central feeding system an inevitable choice for modern injection molding workshops?


4. Optimizing Space Layout and Improving the Work Environment


Maximizing Space Utilization: Centralizing all large raw material drums and dryers in the machine room or a corner of the workshop frees up valuable production space around the injection molding machines, creating a neat and streamlined workshop layout for easier management and maintenance.

Implementing 5S/6S Management: The workshop is free of cluttered raw material bags and empty drums, the floor is clean, and logistics channels are unobstructed, making it easy to meet modern on-site management standards.

Improving Occupational Health and Safety:

Significantly reducing dust concentration in the workshop, protecting employee respiratory health and preventing occupational diseases such as silicosis.

Reducing the risk of injuries caused by manual handling (such as sprains and falls).

Reducing Fire Risk: Dust is one of the main fire hazards in injection molding workshops. The central feeding system eliminates the conditions for dust accumulation at the source.


5. Enhanced Production Management Flexibility and Traceability


Flexible Adaptation to Production Needs: Easily implement various feeding modes, such as one-to-many and many-to-one, allowing flexible allocation of different raw materials to different injection molding machines and rapid response to production changeovers.

Data Integration and Traceability: Intelligent central feeding systems monitor and record data such as material usage and energy consumption for each machine in real time, providing accurate data support for production cost accounting, efficiency analysis, and quality traceability.


Central feeding systems are no longer exclusive to large enterprises. With the advancement of technology and modular design, small and medium-sized injection molding companies can also find solutions that suit their scale and budget. They are not only a tool for solving immediate cost and quality issues, but also a necessary step for companies to enhance their core competitiveness, achieve lean production, and move towards Industry 4.0 smart factories.


Plan your central feeding system now to unlock new possibilities for reducing costs, increasing efficiency, improving quality, and reducing inventory in injection molding production, and seize the initiative in the fiercely competitive market!


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