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Tag: Sealing / Capping Machinery

When you work in a business that uses liquid-filling machinery to package products, you know that having the process be as automated as possible is the goal. For instance, having volumetric fillers help fill liquids into containers at an even, consistent fill level, while cooling conveyers help molten products cool off more quickly than traditional conveyor belts. One of the last steps in automating the process for a lot of businesses is the capping or sealing of the product. Many businesses choose to do at least part of this process manually, from filling the hopper of caps to the actual capping of the containers. Not only is this a tedious process, it takes a lot of time that can be spent focusing on other aspects of your business. Thankfully, several different machines can help mitigate the difficulties that come along with manual capping.

Cap Elevators

Cap elevators allow caps to be stored until they’re ready to be used. Rather than keeping the caps in a box somewhere, this automatic elevator hopper is designed to supply caps to an automatic capping machine down the line. The machine is activated when the hopper to a capping machine is getting low. It is designed to feed a wide range of different-sized caps, from 10mm to 110mm, so is a versatile choice when you want to automate the first part of the capping process—the actual act of finding the caps.

Cap Sorters

Cap sorters are a helpful machine that helps position caps so they are facing the correct direction when the capping machine picks them up to be used. Cap sorters are available in an elevator setup, which helps bring up a supply of caps to the capping machine, or a vibratory setup, which works by shaking the surface that the caps are on until the cap switches to being positioned correctly. These machines ensure that the capping machines can do their job efficiently once the caps are ready to be placed.

Capping Machines

Finally, the capping machines themselves are what place the caps onto each container. For these types of machines, there are four options – spindle cappers, chuck cappers, snap cappers and wheel pluggers. Spindle cappers spin the lids onto the product as the container sits stationary underneath a station. Chuck cappers also spin caps onto containers, but this machine is designed to keep the products moving at a consistent pace, so the lid is placed on the container and then the container runs through the machine, which has lid tighteners along the top. Snap cappers snap the caps onto the container tightly, and vertical wheel pluggers are used for containers that require plugs rather than lids or caps.

Saving time is easy when you use capping machines from HMPL. Don’t stress yourself out by continuing to manually cap your products. Instead, use these machines to automate the process, and you’ll be surprised at how much more you can get done!

 

There are different cap types and sizes which seem unlimited, but the number of available capping machines is surprisingly low to cover all types of caps. Of course, unique container tops may require customized capping machinery. For almost all other caps, a small group of capping machines will “seal” the deal.

Types of Capping Machine

Spindle Capper Machine

Spindle Capping machines are probably the most popular capping machine produced for the packaging industry. These cappers use sets of matched discs to spin caps down onto bottles or other containers as they pass through the capping area on a conveyor system. Normally, three or four sets of discs will be used to gradually tighten caps. Elevators or vibratory bowls assist these continuous capping machines by delivering caps to each bottle, leaving the operator of the machine to simply replace bulk caps as needed. These capping machines can handle a wide range of screw-type caps, including flat caps, sports caps, trigger sprayers, and many more. The flexibility and ease of operation are two factors that make this capping machine popular.

Chuck Capper Machine

Chuck capping machines are similar to spindle cappers in that they work with screw caps. Chuck cappers normally consist of a metal chuck and a rubber insert matched to the capsize. Once a bottle is in place under the capping head, the chuck descends to apply consistent torque to each bottle and cap combination. Automatic chuck cappers may include multiple chucks to increase the capping machine speed. Handheld, semi-automatic, and tabletop chuck cappers will usually cap one bottle at a time. While one chuck and insert can handle different capsizes, a facility running both small and large-cap may require multiple chucks and/or chuck inserts. Chuck cappers are ideal for flat caps, but some modifications to the chuck and inserts allow for other screw-type caps to be run as well.

Snap Cappers & Lid Pressers

Snap cappers and lid pressers are both used for non-screw-type tops. Rather than being torqued onto the bottle, snap-type tops are simply applied using pressure and normally held in place by a lip on the container. The pressure is applied via a declined belt or a simple plunger depending on the application. Paint cans may work well in a lid presser, while plastic containers for some food and beverage products would use a press-on belt to avoid damaging the containers themselves. Snap cappers can be constructed very similarly to spindle cappers, with the spindle sets replaced by the decline belt, allowing snap caps to be sealed continuously as well, caps permitting. Spindle cappers and snap cappers can also be combined on one capping machine to handle an even wider range of cap types and sizes.

ROPP Capping Machine

A ROPP Capper (Roll On Pilfer Proof Capper) is somewhat of a speciality capper. ROPP cappers use specially designed knives to thread and seal tops onto containers. The most common product for a ROPP capping machine would be topping off a bottle of wine. Different bottle types and sizes may require different sets of knives when using this machine and this packaging machinery will not handle the variety of seals run by the spindle and chuck cappers. However, some ROPP capping machines can be manufactured to include a chuck-type capping head to expand the realm of caps that can be run.

Each of the capping machines discussed briefly above is available in different levels of automation, allowing this group of packaging machines to handle not just a wide variety of caps and bottles, but a range of production levels as well.

 

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