Automatic Sleeve Sealer

sleeve type packaging machine

Sleeve Sealing Machine

An automatic sleeve sealer is a fully automatic production line that integrates conveying, feeding, sealing, cutting, and shrinking into one continuous process. It is especially suitable for large, single-counted cases, boxes, bottles, or trays that require strong protective packaging. When wrapped with PE or PVC shrink film, the machine completes a tight, secure shrink package that keeps products stable during transport. The conveyor can be designed with rollers or mesh, depending on production needs, and customised layouts can be built based on customer requirements. As a sleeve sealing machine, it delivers neat, compact results that hold up well for long-distance handling and storage.

Features & Functions

  • Suitable for round-shaped products such as cans, tins, bottles, Tetra Pak, etc., including non-tray items.
  • Machine combines sealing and shrinking functions for a complete package.
  • Infeed conveyor automatically aligns products for packaging.
  • 90° infeed uses a cylinder and sensor for accurate product positioning.
  • Packaging process: product alignment → film wrapping → sealing & cutting → outfeed conveyor → shrink tunnel → package completed.
  • Conveyor includes guiding plates on both sides for product entry.
  • Product is held in place by a plate during sealing and cutting to prevent movement.
  • Air flush system cools the sealing area quickly for stronger seams.
  • Equipped with a product entry sensor for a smooth packaging process.
  • Uses Mitsubishi PLC controller for stable operation performance.
  • Sealing and cutting times are adjustable through a timer relay.
  • Temperature controller with PID function, driven by SSR, ensures stable heating performance.
  • Cutting blade made in one piece for long-term durability.
  • Automatic alarm warning for sealing and cutting enhances safety.
  • Outfeed conveyor automatically delivers the product into the shrink tunnel after wrapping.
  • Customized machine and packaging process design are available upon request.

How It's Used

Beverages and cans

Wraps bottles and canned drinks into stable shrink bundles.

Box and tray grouping

Combines multiple cartons into one wrapped pack.

Household goods

Packages detergents, cleaners, and large bottles securely.

 Industrial items

Protects hardware and bulky components with shrink film.

Transport protection

Creates tight bundles that stay secure during shipping.

Need more info? Check out our most frequently asked questions.

Does automatic sleeve sealer need packaging in a tray?

Not always. Most products can be wrapped with no tray depending on the shape and stability of the product.

What is the also used type of shrink film?

The most widespread is PE shrink film though other models can be used with PVC depending on the use.

What does the machine use to seal the products?

A holding plate/guiding system holds items steady as the sealing blade cuts and seals the film.

Is it compatible with existing production lines?

Yes. It is capable of linking with conveyors, shrink tunnels and upstream equipment to be fully automated.

Does the machine meet high speed operations?

Automatic versions are designed to be operated continuously and with medium to high volume of output.

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