Intelligent Variable Weight Pet Food Weighing and Packaging System | Multi-Material Formula Flexible Packaging Line

Industry Pain Points

• ·Uncontrollable formula accuracy and compliance risks: Traditional pre-mixing process for multi-ingredient pet food causes severe material layering and uneven distribution, leading to unstable nutritional ratio in individual packages. This fails to meet the strict standards of AAFCO, FEDIAF and other international pet food regulatory bodies, especially for prescription and functional diets, bringing huge product recall risks and irreversible brand reputation damage.

• ·Inflexible production for variable weight and multi-SKU demands: Traditional fixed production lines can only handle single fixed weight and fixed formula mass production, unable to adapt to the fast-growing demand for variable weight packaging (trial packs, family packs, customized portions) and small-batch multi-SKU production. Long formula and weight changeover time leads to extremely low production efficiency, high downtime, and inability to fulfill personalized customized orders.

• ·Poor compatibility with diverse pet food materials: Pet food ingredients have vastly different physical properties (hard kibble, fragile freeze-dried chunks, chewy jerky, crispy fruit & vegetable pieces, powdered nutrients), ordinary equipment cannot balance weighing accuracy and material integrity, resulting in high raw material breakage rate, serious material waste, and poor finished product appearance.

• ·Heavy manual dependency and high cross-contamination risk: Traditional multi-ingredient production requires extensive manual intervention in formula batching, weight adjustment, material feeding and production switching, leading to soaring labor costs, frequent human errors, and high cross-contamination risks, which violates food-grade production specifications for pet food.

• ·Disconnected production process and unstable mixing effect: Ordinary production lines have no signal linkage between weighing and mixing units, leading to inconsistent discharging sequence, inaccurate formula ratio, and uneven mixing, resulting in unstable product quality and high customer complaint rates.

• ·Difficulty in meeting export traceability requirements: Strict full-process traceability is mandatory for pet food exported to Europe, North America and other mainstream markets. Traditional production lines cannot record and trace the weight, formula and production data of each individual package, which restricts manufacturers from entering the global high-end market.

Core Customer Demands

• ·Independent multi-station precision weighing system: Support multiple sets of independent weighing units, which can set variable target weights for each ingredient separately, ensure 100% accurate nutritional ratio of each package, completely solve the pre-mixing layering problem, and fully comply with international pet food safety and nutritional standards.

• ·Flexible variable weight production capacity: Support one-click fast switching of single package total weight, ingredient ratio and product formula, adapt to variable weight packaging demands from small trial packs to large family packs, and meet the flexible production needs of small-batch, multi-SKU and customized orders.

• ·Full signal linkage and sequential control: The weighing units and mixing elevator realize full signal interlocking, control the discharging sequence and timing of each ingredient accurately, ensure uniform mixing and precise formula ratio, and avoid material waste and quality instability.

• ·Full material compatibility: Adapt to various pet food ingredients including dry kibble, freeze-dried chunks, jerky, fruit & vegetable pieces and powdered nutrients, with anti-breakage, anti-blocking and anti-residue design, to ensure material integrity and reduce raw material loss.

• ·Fully automated continuous production: Realize unmanned production from material feeding, independent weighing, sequential mixing to automatic packaging, reduce manual contact, avoid cross-contamination, cut labor costs, and improve overall production efficiency.

• ·Food-grade compliant structure: Full food-grade SUS304 stainless steel construction, no sanitary dead corners, easy to disassemble and clean, fully meet FDA, BRC, AAFCO, GMP and other international food safety certification requirements.

• ·Strong scalability and traceability: The number of weighing units can be expanded according to formula requirements, support full production data recording and traceability, and can be seamlessly connected with the enterprise's existing ERP and MES systems to realize digital production management.

Our Tailored Complete Solution

Core Solution Units

1. ·Multihead Weigher (Multi-set Independent Weighing Units)

• ·Multiple sets of independent high-precision multihead weighers (customizable quantity according to ingredient types, standard 3 sets for material A/B/C), each unit can set variable target weight independently, realizing separate precision weighing for different pet food ingredients.

• ·Equipped with food-grade SUS304 stainless steel structure, anti-breakage hopper design, and high-precision load cell, weighing accuracy up to ±0.2%, perfectly adapting to various forms of pet food ingredients, from fine powder to large freeze-dried chunks.

• ·Full signal linkage with the mixing materials elevator and packaging machine, realizing precise sequential discharging control, and automatic rejection of unqualified weight products to ensure 100% net content compliance.

2. ·Materials Feeding Elevator

• ·Multiple sets of independent food-grade vertical elevators, corresponding to each ingredient and multihead weigher one by one, realizing closed, dust-free and anti-breakage conveying of different materials to the feeding hopper of the corresponding weigher.

• ·Full SUS304 stainless steel structure, with anti-sticking and anti-scattering design, no material residue, no cross-contamination between different ingredients, and automatic material level control to ensure continuous feeding.

3. ·Mixing Materials Elevator

• ·Professional food-grade mixing and conveying elevator, with full signal interlocking with all multihead weighers, receiving materials discharged from each weigher in preset sequence and timing.

• ·Equipped with gentle mixing structure, realizing uniform mixing of multiple ingredients without damaging fragile materials, and stably conveying the mixed materials to the downstream packaging machine accurately.

4. ·Packaging Machine

• ·High-performance automatic pet food packaging machine, compatible with pillow bags, stand-up pouches, zipper bags, quad-seal bags and other mainstream bag types, automatically completes bag forming, material filling, airtight sealing, date coding and bag cutting in one go.

• ·Optimized sealing structure for pet food, realizing firm and uniform sealing, effectively preventing moisture regain, oxidation and spoilage, extending product shelf life, and fully linked with the front-end weighing system to ensure synchronous production beat.

5. ·Supporting Platform

• ·Heavy-duty food-grade SUS304 stainless steel supporting platform with anti-slip design and safety guardrails, providing stable and safe installation space for the multihead weighers, effectively reducing the impact of equipment vibration on weighing accuracy.

• ·Humanized design with maintenance access and cleaning space, facilitating daily equipment maintenance, disassembly and cleaning, adapting to the frequent cleaning needs of food-grade production.

Standard Automated Workflow

1. ·Different pet food ingredients (Material A, B, C) are fed into the bin of the corresponding independent materials feeding elevator respectively, and the elevators lift the materials to the upper feeding hopper of the matched multihead weigher in a closed, anti-breakage way. Each independent multihead weigher completes high-precision quantitative weighing according to the preset variable target weight.

2. ·All multihead weighers realize full signal interlocking with the mixing materials elevator. The weighed materials are discharged into the mixing materials elevator in the preset sequence and timing, to ensure accurate formula ratio and uniform mixing of all ingredients in each package.

3. ·The uniformly mixed materials are stably conveyed to the packaging machine, which automatically completes the whole bagging process including bag forming, material filling, airtight sealing, production batch coding and finished product output, realizing fully automated continuous production of the whole line.

4. ·The intelligent control system supports one-click adjustment of the target weight of each weigher, total package weight and ingredient formula, realizing flexible variable weight production and fast formula switching without long-time debugging.

Final Achievable Production Effects

• ·Ultra-high formula accuracy & full compliance: Independent multi-station weighing system controls the ingredient ratio deviation of each package within ±0.2%, completely solves the problem of material layering and ratio inaccuracy in traditional pre-mixing process, fully complies with AAFCO, FEDIAF, FDA, BRC and other international pet food standards, and eliminates product recall risks and brand reputation loss.

• ·Industry-leading flexible variable weight production: One-click fast switching of package weight (from 50g trial packs to 5kg family packs) and product formula, with changeover debugging time controlled within 5 minutes, perfectly adapting to small-batch, multi-SKU, personalized DTC customized order production, replacing 3-5 traditional fixed production lines, and greatly improving the enterprise's order receiving capacity and market competitiveness.

• ·Full signal linkage & stable mixing effect: Precise sequential control between weighing units and mixing elevator ensures 100% accurate formula ratio and uniform mixing of each package, product quality consistency rate increased to 99.9%, greatly reducing customer complaint rates.

• ·Full material compatibility & low raw material loss: Professional anti-breakage conveying and weighing structure, fragile material breakage rate ≤0.3%, material residue rate reduced to near zero, raw material waste reduced by more than 80% compared with traditional equipment, greatly reducing production costs.

• ·Fully automated unmanned production: Full-process automation from material feeding to finished product output reduces manual labor demand by more than 90%, greatly cuts labor costs, completely avoids manual contact with materials, eliminates cross-contamination risks, and increases overall production efficiency by 4-5 times compared with semi-manual production lines.

• ·Food-grade compliant & easy to clean: Full food-grade SUS304 stainless steel structure, no sanitary dead corners, tool-free quick disassembly design, cleaning time reduced by more than 70%, fully meeting GMP food safety production requirements, helping you smoothly enter the global high-end pet food market.

• ·Full-process traceable digital management: All production data (formula details, package weight, production batch, quality data) is recorded and traceable in real time, fully meeting the traceability requirements of EU and North American export markets, and can be seamlessly connected with your ERP and MES systems to realize intelligent digital factory upgrading.

• ·Stable long-term operation & low maintenance cost: Optimized anti-blocking and wear-resistant structure supports 24/7 long-term continuous stable operation, equipment failure rate reduced by more than 85%, greatly cutting unplanned downtime and later maintenance costs.

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