stretch hood wrapping machine

The stretch hood wrapping machine is a professional automatic pallet packaging equipment specially designed for finished bagged dry mortar, premixed mortar, putty powder and other building material products in mortar production lines. Adopting advanced cold stretch hood packaging technology, the machine automatically completes film stretching, hood covering, sealing and cutting for stacked pallet goods. It realizes fully enclosed integral packaging of palletized mortar products, effectively protecting bagged mortar from moisture, dust, rain and mechanical damage during storage and long-distance transportation. Featuring full-automatic unmanned operation, stable packaging effect and strong adaptability, it perfectly matches the automatic bagging and palletizing process of medium and large mortar production lines, and is essential supporting equipment for standardized finished product packaging and intelligent warehouse management of mortar factories.

• Full Automatic High-efficiency Packaging: The machine integrates automatic film feeding, stretching, hood covering and cutting, realizing continuous unmanned packaging operation. The maximum packaging capacity reaches 60-100 pallets per hour, which is far more efficient than manual wrapping and traditional winding machines. It perfectly connects with the front-end palletizing process of mortar production lines to achieve streamlined production.
• All-round Sealed Protection: Different from ordinary winding film packaging, the stretch hood forms an integral fully enclosed protective layer on the top and all sides of palletized mortar products. It effectively isolates moisture, dust, humid air and rainwater, solves the problems of mortar bag dampness, caking and dust pollution during storage and transportation, and greatly improves product qualification rate.
• Stable Tension & Firm Packaging: Equipped with a precision four-arm stretching system, the equipment realizes uniform and consistent film tension. The stretch film closely fits the stacked mortar pallets without loose wrapping, bulging or slipping. It maintains stable load restraint during stacking, handling and long-distance logistics, avoiding bag dislocation and product scattering.
• Energy-saving & Low Operation Cost: Adopting cold stretch molding technology without heating and shrinkage procedures, the equipment has low power consumption and saves more energy than traditional heat shrink packaging machines. With high film utilization rate and no waste of packaging materials, it significantly reduces the daily packaging cost of mortar finished products.
• Durable & Low Failure Rate: The whole machine adopts heavy-duty steel frame structure with anti-vibration and anti-wear design. Core electrical and pneumatic components adopt international brand accessories, with stable performance and strong continuous operation capacity. It adapts to long-term high-intensity operation in harsh factory environments of mortar production lines, with low failure rate and long service life.
• Intelligent Operation & Easy Maintenance: Equipped with human-machine touch screen control system, it supports one-key start, parameter preset and automatic fault alarm. Operators can quickly adjust packaging height, film tension and packaging speed according to different mortar product specifications. The modular structural design facilitates daily inspection, maintenance and parts replacement.
• Strong Compatibility & Wide Adaptability: It supports packaging of various pallet sizes and stacking heights, compatible with bagged masonry mortar, plaster mortar, waterproof mortar, putty powder and other mortar finished products. It can be seamlessly connected with automatic palletizers, conveyor lines and warehouse storage systems to meet diversified production needs.

• Pre-operation Inspection: Before starting the machine, check the air pressure stability, electrical circuit connection and film installation status. Confirm that the stretch film is correctly positioned without deviation or damage, and the cutting knife and stretching mechanism are flexible and intact. Remove foreign matters on the conveyor and working platform to ensure no obstacles during operation.
• Standard Operation Rules: Set reasonable parameters such as film tension, packaging height and operating speed according to the specification and stacking height of mortar pallets. Prohibit over-height stacking and over-load pallet packaging to avoid equipment jamming and incomplete packaging. Keep the pallet centered during conveying to prevent offset packaging.
• Real-time Operation Monitoring: Observe the packaging status during equipment operation. In case of film breakage, offset hood covering, incomplete sealing or abnormal noise and vibration, stop the machine immediately for inspection and troubleshooting. It is strictly forbidden to operate the machine with faults to avoid equipment damage and packaging defective products.
• Daily Cleaning & Maintenance: Clean the dust and residual film scraps on the equipment surface, stretching arm and cutting device every day to keep the machine clean and smooth. Regularly lubricate the transmission bearings and guide rails, check the wear of the cutter and film roller, and replace worn parts in time.
• Regular Inspection of Core Components: Regularly check the tightness of pneumatic components, the sensitivity of sensor devices and the stability of the control system. Calibrate the stretching tension and cutting position periodically to ensure consistent and qualified packaging effect for mortar products.
• Safety & Environment Management: The equipment must be reliably grounded during operation. It is forbidden to place hands and sundries in the working range of the stretching mechanism and cutter. The workshop environment shall be kept dry and ventilated to avoid damp and corrosive environment affecting the service life of electrical and pneumatic components. Cut off the power and air source after daily work.

• Dry Mortar Production Line Finished Product Packaging: Special packaging equipment for full-automatic mortar production lines, suitable for final packaging of bagged masonry mortar, plaster mortar, thermal insulation mortar, waterproof mortar and putty powder, realizing automatic and efficient finished product packaging.
• Commercial Mortar Factory Storage & Logistics: Applicable to standardized packaging of finished mortar products in large commercial mortar factories. The fully enclosed packaging effectively adapts to long-term warehouse storage and outdoor temporary storage, preventing product dampness and dust pollution.
• Long-distance Transportation & Export Packaging: Ideal for mortar product packaging for cross-regional transportation and export trade. The tight and firm stretch hood packaging can resist extrusion, vibration and bad weather during logistics, ensuring intact product appearance and quality.
• Building Material Powder Processing Industry: Widely used in packaging of bagged gypsum powder, tile adhesive, caulking agent and other building powder materials, applicable to automatic packaging and pallet protection of various bulk bagged building materials.
• Intelligent Warehouse Supporting Packaging: Matched with automatic palletizing machine, conveying line and intelligent warehouse system to realize fully automated unmanned packaging and warehousing process, improving the overall intelligent level of mortar production workshops.

• Q1: What are the advantages of stretch hood packaging compared with traditional winding film packaging for mortar products?
  A1: Traditional winding film only wraps the sides of pallets with poor top sealing effect, making mortar products easy to get damp and dusty. The stretch hood machine realizes full enclosure packaging on the top and all sides, with better moisture-proof and dust-proof effect. Meanwhile, it features faster packaging speed, more uniform tension, firmer packaging and lower material consumption, which is more suitable for mass production of mortar factories.
• Q2: Can the machine adapt to different sizes of mortar packaging pallets?
  A2: Yes. The equipment supports flexible adjustment of packaging height and range, compatible with common standard pallets in the building materials industry. It also supports personalized customization of packaging range and stroke according to non-standard pallet sizes and stacking heights of users, meeting diversified packaging needs of mortar production.
• Q3: Why does the film break or deviate during packaging operation?
  A3: The main reasons include uneven film tension, damaged stretch film, offset film installation or foreign matters stuck on the stretching mechanism. It is necessary to stop the machine to check the film quality and installation position, clean the equipment sundries, and recalibrate the tension parameters to solve the problem.
• Q4: Is the equipment easy to operate for new workers?
  A4: Very easy. The machine adopts intelligent touch screen control with visualized operation interface. All packaging parameters can be preset and saved with one-key start operation. It supports automatic operation without manual intervention in the whole process. New workers can master the operation and simple debugging skills in a short time.
• Q5: Can the packaged mortar pallets be stacked for storage?
  A5: Yes. The stretch film has strong tensile strength and good fitting performance. The packaged pallet loads are compact and firm without loose deformation. It can support multi-layer stacking, effectively saving warehouse storage space and improving storage utilization rate.
• Q6: What is the daily maintenance cycle of the equipment?
  A6: Daily cleaning and debris inspection are required after each shift. Lubrication of transmission parts and inspection of film roller and cutter are carried out every week. Comprehensive calibration of pneumatic system, sensor and control parameters is conducted every month. Standard maintenance can effectively extend the service life and reduce failure rate.