The one-four-point gel pen refill assembly machine is a highly efficient automated device specially designed for the batch production of gel pen refills. With four-station synchronous operation as its core, it can precisely assemble components such as the ink tube, steel ball head, and tail stopper of the pen refill simultaneously. It is widely used in stationery manufacturing enterprises and significantly improves the efficiency of pen refill assembly.
The equipment adopts a modular assembly structure. Four independent workstations correspond respectively to the feeding, pressing, inspection and discharging processes. The components are synchronously transmitted through the precision guide rails driven by servo motors, with a positioning accuracy of ±0.02mm. This ensures that the coaxiality error between the steel ball head and the ink tube is ≤0.03mm, avoiding ink leakage or poor ink discharge.
It is compatible with various gel pen refill specifications with lengths ranging from 60 to 120mm and diameters from 2.5 to 5mm, and is compatible with different pen tip types such as bullet points and needle points. The fully automatic feeding system, through the combination of vibrating discs and negative pressure adsorption, achieves seamless feeding, with an assembly capacity of 8,000 to 10,000 pieces per hour, which is more than three times more efficient than traditional single machines.
Equipped with a visual inspection and pressure sensing system, it can automatically identify and remove defective assembly products (such as pen tip tilting, tail stopper not being compacted, etc.), with a stable pass rate of over 99.5%. The 10-inch touch screen supports parameter preset and production counting. When changing models, only the suitable mold needs to be replaced, and the debugging can be completed in 3 minutes. Whether it is the standard model or the large-capacity ballpoint pen refill, this device can help enterprises reduce labor costs and improve production stability with its efficient and precise assembly performance.
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