Manufacturer: Jinan Eagle Food Machinery Co., Ltd. | Brand: Eagle Extruder

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Looking for a core filled pet food machine to produce filled pillow snacks for cats and dogs? Eagle Extruder supplies complete pet food extrusion production lines designed to manufacture expanded pet snacks with a flavorful filling inside and a formed outer shell.

Our core filled pet food production line integrates twin screw extrusion, center filling, forming and cutting, drying, and optional coating and packaging equipment. The line can be configured according to your target capacity, raw materials, product shape, filling type, and factory requirements.

In addition to filled pillow snacks, a suitably configured line can also produce dry dog food kibble, cat food, and other extruded pet food products.

Contact Eagle Extruder for machine specifications, production line configuration, and a quotation based on your product requirements.

1. What Is a Core Filled Pet Food Production Line?

A core filled pet food production line is a specialized extrusion system used to manufacture pet food products with two different components: an outer shell and an inner filling.

The outer shell is typically made from a formulated mixture of cereal ingredients, starch, protein sources, and other pet food ingredients. The center can contain a suitable meat-based paste, fat-containing filling, or other formulated ingredients, depending on the product design.

During production, the outer material is cooked and formed by the extruder while the filling is delivered into the center through a dedicated filling system. The continuous filled product is then shaped, cut, dried, and optionally coated before packaging.

The finished products can have a pillow-like appearance, an expanded crunchy shell, and a soft or flavorful center, depending on the recipe and processing conditions.

This equipment is suitable for pet food manufacturers looking to develop differentiated products for the cat and dog snack markets.

2. What Products Can This Machine Produce?

The Eagle core filled pet food machine can be configured for different products according to the required extrusion system, dies, filling equipment, and recipe.

• Core filled pillow snacks for dogs: Extruded pillow-shaped snacks with a formulated center filling.
• Core filled cat treats: Small filled snacks designed for cat food and treat applications.
• Filled pet food bites: Customized shapes and sizes for different product ranges.
• Dry dog food kibble: Conventional extruded dry dog food, subject to the selected configuration.
• Dry cat food: Extruded cat food products using a suitable formula and production setup.
• Other extruded pet snacks: Additional shapes and textures can be evaluated according to the required product specifications.

Product size, shape, shell thickness, filling ratio, texture, and output depend on the machine configuration, formulation, and operating conditions.

3. How to Produce Core Filled Pillow Snacks for Cats and Dogs

A typical production process includes the following stages:

Raw material preparation → Mixing → Screw conveying → Twin screw extrusion and center filling → Shaping and cutting → Drying → Optional vacuum coating or seasoning → Cooling and packaging

Step 1: Raw Material Mixing

A mixer blends the selected dry ingredients and other recipe components to achieve a consistent mixture before extrusion.

The formulation may contain starch sources, cereal ingredients, protein ingredients, and other components suitable for the intended pet food product.

Step 2: Feeding and Conveying

A screw conveyor or suitable feeding system transfers the prepared mixture to the extruder. Stable feeding helps maintain consistent processing and product formation.

Step 3: Twin Screw Extrusion and Center Filling

The twin screw extruder cooks and plasticizes the outer-shell material under controlled processing conditions.

At the same time, a dedicated filling system delivers the selected filling into the center of the extruded product. The extrusion die and filling arrangement work together to create a continuous filled structure.

This is the key stage in manufacturing core filled pet food pillows. The extruder, filling system, die, and cutting arrangement must be selected to match the target product.

Step 4: Forming and Cutting

The filled extrudate is shaped and cut into individual pieces. The cutting and forming configuration can be adjusted according to the desired pillow dimensions and appearance.

Step 5: Drying

A continuous dryer removes excess moisture to achieve the required final moisture content and texture.

Drying temperature, residence time, airflow, and product loading must be adjusted according to the formulation and finished product specifications.

Step 6: Optional Coating

For products that require additional surface fat or flavor application, a suitable coating system can be installed after drying and cooling as required by the process.

Vacuum coating may be considered for compatible products when improved penetration and distribution of liquid coatings are required.

Step 7: Packaging

After the product reaches the required cooling and moisture conditions, a suitable packaging machine can pack the finished snacks into bags or other selected packaging formats.

Packaging specifications should be matched to the required portion size, shelf-life target, and packaging material.

4. Main Equipment in the Core Filled Pet Food Production Line

A complete line can include the following equipment:

The final equipment list depends on your recipe, required output, product specifications, and level of automation. Eagle Extruder can configure a production line according to the customer's project requirements.

5. Core Filled Pet Food Machine Models and Capacity

Eagle Extruder offers several twin screw extrusion line models for different production requirements.

The following figures are the supplied preliminary specifications. Actual output depends on the product formula, product type, filling ratio, and operating conditions.

Important: These are preliminary model references, not guaranteed core-filled snack outputs. Confirm the applicable model, center-filling configuration, actual production capacity, and electrical specifications with Eagle Extruder before ordering. The figures should be verified against the final quotation and technical drawing.

6. Why Choose a Twin Screw Extruder for Pet Food Production?

A twin screw extruder is widely used in pet food processing because it offers flexible control over mixing, conveying, cooking, and forming.

Key considerations include:

• Flexible processing: Screw configuration and operating parameters can be selected for different formulations.
• Consistent material handling: Intermeshing screw systems can provide effective conveying and mixing when properly configured.
• Product development flexibility: Different dies and process settings support a range of product shapes and textures.
• Integrated production: Extrusion, filling, cutting, drying, and optional coating can be combined into a complete production line.
• Multiple product possibilities: With suitable configurations, manufacturers may use the equipment platform for filled snacks and conventional extruded pet foods.

The correct machine should be selected based on the product recipe, target capacity, shell structure, and filling characteristics—not capacity alone.

7. Can One Production Line Make Both Filled Pillows and Dry Kibble?

Yes, a suitably designed and configured extrusion line may be used for both core filled pillow snacks and conventional dry pet food kibble.

However, these products do not necessarily use exactly the same operating setup.

Core filled pillows require a compatible center-filling system and forming arrangement. Conventional dry kibble may use a different die, cutting arrangement, and process configuration. Product changeover may require adjustments or additional equipment.

When planning a multi-product factory, discuss both products with Eagle Extruder before selecting the final machine configuration.

8. How to Select the Right Core Filled Pet Food Machine

Before requesting a quotation, prepare the following information:

1. Target capacity: For example, 100 kg/h, 200 kg/h, or 500 kg/h.
2. Product type: Filled dog snacks, filled cat treats, dry dog kibble, or dry cat food.
3. Product size and shape: Pillow size, length, width, and preferred appearance.
4. Filling material: Meat paste, fat-containing filling, or another suitable filling formulation.
5. Outer-shell formulation: Main raw materials and any special processing requirements.
6. Factory requirements: Available floor space, electrical supply, heating options, and preferred automation level.
7. Downstream equipment: Whether drying, coating, cooling, and packaging should be included.

If you have a product sample or reference photo, send it to us. It helps our team evaluate the suitable extrusion and filling configuration.

9. Frequently Asked Questions

What machine is used to make core filled pet food pillows?

A typical setup includes a twin screw extruder, a dedicated center-filling system, a compatible forming die and cutter, and a dryer. Mixing, conveying, coating, cooling, and packaging equipment can be added as required.

How does a core filled pet food extruder work?

The extruder cooks and forms the outer material, while a filling system introduces a second material into the center. A suitable die and cutting system form the filled extrudate into individual snacks.

Can the machine make both cat and dog snacks?

Yes, the line can be configured for suitable cat and dog snack products. Product dimensions, formulation, filling properties, and processing settings must be evaluated for each product.

What is the production capacity of a core filled pet food machine?

Capacity depends on the selected model, recipe, filling ratio, product size, and processing conditions. Eagle Extruder provides several twin screw extrusion line options, with preliminary model capacities listed above. Please request a quotation for the expected output of your specific filled product.

Can I use meat paste as the center filling?

Potentially, yes. The filling must have suitable flow properties and be compatible with the filling pump, delivery system, and product design. The formulation and processing conditions should be confirmed before production.

Can the machine produce conventional dry dog food?

A suitably configured line can also produce dry dog food kibble and cat food. Additional or different dies, cutters, or other components may be needed.

Do you supply a complete production line?

Yes. Eagle Extruder can supply a production line comprising the relevant extrusion, filling, forming, drying, and optional downstream equipment. The final scope is determined by the customer's product and project requirements.

How can I get a quotation for a core filled pet food machine?

Send us your target capacity, product photos or samples, filling material, preferred product dimensions, and destination country. We can then discuss the suitable machine model and production line configuration.

10. About Eagle Extruder

Jinan Eagle Food Machinery Co., Ltd. is a Chinese manufacturer of food and feed extrusion machinery, supplying equipment and production line solutions for pet food, aquatic feed, snack foods, and other extruded products.

Our pet food equipment portfolio includes twin screw extruders, dry pet food production lines, fish feed production lines, and customized extrusion processing systems.

We work with customers to select equipment according to their product requirements, production targets, and factory conditions.

Request a Quote for Your Core Filled Pet Food Production Line

Are you planning to manufacture core filled pillow snacks for cats or dogs?

Contact Eagle Extruder to discuss your project. Tell us your required capacity, product type, filling material, and destination country.

Eagle Extruder — Pet Food Extrusion Equipment Manufacturer

Website: https://www.eagleextruder.com/

Email: eagle@eagleextruder.com

WhatsApp: +86 130 2170 5897

Request machine specifications, a suitable production line configuration, and a quotation for your project.

Jinan Eagle Core filled/stuff filling type pet dog and cat food production line

core filled cat dog food machine

The core-filled pet cat food or pet dog food pillows snacks production line  describing is a typical setup for creating extruded pet foods with a filled center, which are increasingly popular due to their palatability and potential nutritional benefits.

Each machine in the line has a specific role in the production process:

1. Mixer: This machine blends various dry and wet ingredients into a homogenous mix. Ingredients typically include grains, meat, fats, vitamins, and minerals.

2. Screw Conveyor: This transports the mixed ingredients from the mixer to the extruder. The use of a screw conveyor helps maintain a consistent flow, which is crucial for uniform cooking and extrusion.

3. Extruder: The extruder is the heart of the pet food production line. It cooks the mixture under high temperature and pressure conditions. As the mixture passes through the extruder, it is shaped and texturized. For core-filled products, the extruder typically has capabilities for injecting a filling into the center of the extruded product.

4. Core Filling Machine: This equipment injects a filling into the center of the extruded product. The filling could be a different flavor or a nutritional supplement, enhancing the attractiveness and health benefits of the pet food.

5. Cutter Machine: After extrusion and filling, the continuous length of extruded product is cut into specific sizes and shapes appropriate for the target animal and breed sizes.

6. Belt Conveyor Machine: This conveys the cut pieces to the next stage of processing. Conveyors between stages minimize the handling damage and contamination risk.

7. Dryer Machine: The dryer reduces the moisture content of the extruded pieces, which increases shelf life, enhances texture, and prevents microbial growth.

8. Seasoning Machine: This machine applies coatings or seasonings to the extruded products. Coatings might include flavors, oils, or powdered  flavors to improve the taste and nutritional profile.

9.  Packing machine: after seasoning machine, use the packing machine to pack . 

5. The core filled pet dog food production line also can produce the dry kibble pet dog food, cat food. 

Welcome contact us to get a quote！ 

6. Pet dog/Cat core filled food extruding line video installed in customer factory

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