Introdução
Materials that arrive as single-row or multi-row die-cut sheets — large-format, high-tack, or irregularly shaped — often fall outside the operating range of conventional feeders. Converting these materials into rolled formats adds cost and time, and for certain adhesive-backed or oversized sheets, the conversion itself may be impractical. The sheet retracting feeder accepts die-cut sheets in their supplied form, cutting out the conversion step and reducing material preparation expense.
The core feeding action relies on blade retraction rather than forward peeling. The placement nozzle grips the sheet from above while the blade retracts beneath, pulling the carrier tape away from the material. This approach handles large sheets without flex-induced misalignment and manages high-tack adhesives without residue transfer to the blade. The retraction distance is set to exceed the sheet width, ensuring the entire material surface — including irregular or non-symmetric profiles — detaches cleanly in a single motion.
The feeder delivers high throughput through an automated magazine-to-placement sequence: nozzle pickup, blade retraction, material lift, blade return, and carrier indexing. Multi-row magazine configurations support feeding different sheet geometries from one station, enhancing line flexibility without additional hardware. Material compatibility spans paper labels, protective films, foam, double-sided tape, conductive adhesive, copper foil, steel sheets, and stiffener plates. By accepting die-cut sheets directly and processing them in a continuous retraction cycle, the feeder offers a practical alternative for production environments where material diversity, large sheet dimensions, and adhesive complexity define the feeding challenge.
Sheet Retracting Feeder
Using Sheet Retracting Feeders in New Energy Electronics Board Assembly
New energy electronics production — battery management controllers, inverter power stages, and onboard charger modules — routinely uses sheet-form materials such as thermal pads, insulation films, copper foil, and conductive adhesive sheets. These materials often arrive as die-cut sheets in single-row or multi-row formats, with large dimensions and high-tack adhesive backing. Converting them into rolled stock adds processing cost, extends lead time, and introduces handling stress that can compromise adhesive performance. For oversized sheets or those with aggressive bonding properties, roll conversion is frequently not viable at all.
The sheet retracting feeder accepts die-cut sheets directly, removing the conversion step and its associated expense. The nozzle descends and secures the sheet via vacuum, then the peeling blade retracts in the opposite direction, pulling the carrier away while the material stays stationary. The retraction stroke exceeds the sheet width, ensuring complete detachment even for large-format sheets and high-bond adhesives. This inverse separation avoids tearing, curling, and residue transfer common with forward-peel mechanisms. Irregularly shaped sheets with cutouts or asymmetric edges also separate cleanly, since the blade retracts along a linear path independent of the material profile.
Multi-row magazine configurations allow different sheet types to feed from one station, reducing equipment footprint and simplifying line layout. Programmable stroke, speed, and pitch settings enable quick adjustment between batches without mechanical changes. Interchangeable blade widths support material size changes at the feeder level rather than requiring dedicated feeder units for each format. Stacked magazine loading supports extended unattended operation, keeping throughput steady across shift changes. These capabilities suit the high-mix production typical of new energy manufacturing, where battery packs, inverters, and charging modules shift material requirements from batch to batch.
Parâmetros
| Item | Parameter | Item | Parameter |
| Método de alimentação | Descole sobre a plataforma antiaderente e, em seguida, pegue | Painel de operação | Tela sensível ao toque TFT de 3,5 polegadas, 480×320 pixels, capacitiva |
| Component Type | Componentes de tira (é necessário deixar um espaço em branco nas duas extremidades) |
Velocidade de alimentação | Controle de velocidade contínuo, máx. 100 mm/s |
| Tensão | 24,0 V CC | Power Consumption | <20 W |
| Atual | 5,0 A MÁX. | Operating Temperature | -20 a 65 °C |
| Precisão na alimentação | ±0,5 | Umidade de operação | 20~90%RH, sem condensação |
| Ajuste da posição da alimentação | X: ajuste do limite mecânico; Y: ajuste de software; Z: ajuste mecânico |
Temperatura de armazenamento | -40 a 85 °C |
| Especificações de abastecimento de ar | 0,40~0,60 MPa | Umidade de armazenamento | 10~95% |
| Interface de comunicação | Tipo GPIO NPN/PNP | Vida útil | ≥20 mil horas (25 °C) |
| Comunicação de hardware | GPIO, RS232, TCP/IP | Dimensões | De acordo com as especificações do produto |
| Método de acionamento | Elétrico + Pneumático | Peso | De acordo com as especificações do produto |
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