THERMOS Reusable Tumbler Straw Extrusion Line by QTech-Machinery

Project Video Overview

This video presents a customized reusable tumbler straw extrusion line supplied by QTech-Machinery for THERMOS, a globally recognized drinkware brand.

The production line is designed for manufacturing small-diameter reusable plastic straws used in insulated tumblers, water bottles, travel cups, and drinking cups. The project focuses on stable extrusion, accurate sizing, continuous cooling, clean cutting, chamfering, and V-shape opening.

Unlike a general plastic straw machine, this line is built for reusable straw applications where the straw must match cup lids, maintain stable dimensions, and provide smooth user contact.

What Can Viewers See in This Video?

Complete Reusable Straw Production Flow

The video shows the full process from raw material feeding to finished straw processing. It allows buyers to understand how each machine works together in a continuous production line.

The main production stages include:

1. Automatic material feeding
2. Plastic melting and extrusion
3. Straw tube forming through customized die
4. Vacuum calibration and cooling
5. Servo haul-off
6. Flying knife cutting
7. Straw end chamfering
8. V-shape opening
9. Finished straw collection and inspection

A Practical Project for THERMOS

THERMOS required a production line for reusable tumbler straws made from LLDPE and PCT. The target straw sizes included 8 × 6 mm and 9.5 × 7.5 mm.

QTech-Machinery configured the line according to the customer’s material, straw size, cutting, and finishing requirements.

Why Is This Tumbler Straw Extrusion Line Important?

Reusable Tumbler Straws Require Accurate Dimensions

Reusable tumbler straws are usually designed to fit a specific cup lid or bottle structure. If the straw diameter is unstable, it may affect assembly, packaging, and consumer use.

This line helps control:

• Outer diameter
• Inner diameter
• Wall thickness
• Roundness
• Cutting length
• Surface quality
• Straw-end smoothness
• Opening shape

The Line Supports Different Plastic Materials

The project line is suitable for processing LLDPE and PCT. These two materials have different processing features.

The configuration of screw, die, cooling tank, haul-off, and cutting system is important for stable production with different materials.

Key Project Information

Basic Project Details

Finished Product Specifications

Equipment Shown in the Video

Automatic Vacuum Loader

The production process starts with the QX-300 automatic vacuum loader. It transfers plastic pellets into the extruder hopper automatically.

This helps reduce manual feeding and supports continuous production.

Single Screw Extruder

The core machine is the QX-SJ50/28 single screw extruder. It melts LLDPE or PCT material and pushes the melt through the straw die.

Customized Straw Extrusion Die

The extrusion die forms the hollow straw tube. QTech-Machinery designed the die according to the required straw dimensions.

The die supports production of reusable straw sizes such as 8 × 6 mm and 9.5 × 7.5 mm.

Vacuum Calibration and Cooling Tank

After extrusion, the straw enters the vacuum calibration and cooling tank. This machine helps shape and cool the straw tube.

It plays an important role in controlling:

• Diameter stability
• Tube roundness
• Cooling speed
• Surface finish

Servo Haul-off and Flying Knife Cutting

The servo haul-off pulls the straw forward at a stable speed. The flying knife cutter cuts the straw while the extrusion process continues.

This setup helps improve cutting accuracy and production continuity.

Chamfering Machine

The chamfering machine smooths the straw ends after cutting. This is important for reusable straws because the end should be comfortable and safe for users.

Opening Machine

The opening machine processes the straw end into a V-shape opening. This design is used for specific tumbler straw applications.

Industrial Chiller

The industrial chiller provides stable cooling water for the line. Good cooling control helps improve extrusion stability and product consistency.

Complete Line Configuration

Main Technical Parameters

Production Process Explained

Step 1: Material Feeding

Plastic pellets are loaded into the hopper through the automatic vacuum loader. Stable feeding helps maintain consistent extrusion output.

Step 2: Plastic Melting

The material enters the single screw extruder. Heating zones and screw rotation melt and plasticize the raw material.

Step 3: Straw Tube Forming

The melted material flows through the customized die and forms a hollow straw tube.

Step 4: Vacuum Calibration

The hot straw tube enters the vacuum calibration tank. Vacuum sizing helps control diameter and roundness.

Step 5: Cooling

Cooling water reduces the straw temperature and stabilizes the tube shape.

Step 6: Haul-off

The servo haul-off pulls the straw forward at a controlled speed to maintain stable production.

Step 7: Cutting

The flying knife cutting system cuts the continuous straw tube into required lengths without stopping the line.

Step 8: Chamfering

The cut straw ends are chamfered to remove sharp edges and improve user comfort.

Step 9: V-Shape Opening

The opening machine processes the straw end according to tumbler application requirements.

Step 10: Finished Product Inspection

Finished straws can be checked for size, length, surface condition, cutting quality, and end shape.

Customer Benefits from This Line

Stable Small-Diameter Extrusion

The line is suitable for small hollow tube production and helps maintain stable straw dimensions.

Accurate Cutting Length

Servo haul-off and flying knife cutting support consistent cutting performance.

Better End Finishing

Chamfering and opening equipment help improve final straw quality and usability.

Flexible Material Processing

The line supports different plastic materials, including LLDPE and PCT.

Complete Production Integration

QTech-Machinery provides the full line from feeding to post-processing, reducing equipment matching problems for the customer.

Why Choose QTech-Machinery?

Customized Line Design

QTech-Machinery designs the line according to the customer’s material, straw size, output, and factory requirements.

Complete Equipment Supply

The full solution includes extrusion, cooling, cutting, chamfering, opening, and auxiliary systems.

Practical Project Experience

This project for THERMOS shows QTech-Machinery’s capability in reusable tumbler straw production solutions.

Production-Oriented Configuration

The line is configured for practical factory use, not only for demonstration. Each machine is selected to support continuous and stable production.

Support for Similar Projects

QTech-Machinery can support other reusable straw, small plastic tube, and drinkware accessory extrusion projects.

Applications of the Finished Straws

Quality Points Highlighted in the Video

Diameter Control

The extrusion die, vacuum tank, cooling system, and haul-off work together to control straw OD and ID.

Surface Appearance

Stable melting and cooling help create a smoother straw surface.

Cutting Quality

The flying knife system supports online cutting with better continuity.

End Safety

Chamfering reduces sharp edges and improves user comfort.

Functional Straw Opening

The V-shape opening helps meet the customer’s specific product design.

Suggested Video Description for Website Use

This video shows QTech-Machinery’s reusable tumbler straw extrusion line supplied for THERMOS. The line processes LLDPE and PCT materials and produces straw sizes including 8 × 6 mm and 9.5 × 7.5 mm. It includes automatic feeding, single screw extrusion, vacuum calibration, cooling, servo haul-off cutting, chamfering, V-shape opening, and industrial chilling. The project demonstrates a complete production solution for reusable straws used in insulated tumblers, bottles, and drinkware products.

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THERMOS Reusable Tumbler Straw Extrusion Line Video

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QTech-Machinery supplied THERMOS with a tumbler straw extrusion line for LLDPE/PCT reusable straws, covering extrusion, cooling, cutting, and finishing.

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Conclusion

The THERMOS reusable tumbler straw extrusion line video demonstrates how QTech-Machinery provides a complete production solution for reusable straw manufacturing. The line integrates automatic feeding, single screw extrusion, customized die forming, vacuum calibration, cooling, servo haul-off cutting, chamfering, V-shape opening, and industrial chilling.

This project shows the importance of configuring the extrusion line according to material properties, straw dimensions, cutting requirements, and final product application. For reusable tumbler straws, stable diameter, clean cutting, smooth ends, and proper opening shape are all important quality factors.

With project experience in LLDPE and PCT straw production, QTech-Machinery can support drinkware manufacturers, OEM factories, and plastic extrusion producers with customized tumbler straw extrusion line solutions.