Equipment Positioning and Functions
This head cutting machine serves as the final finishing equipment in the fin production line, primarily used to cut off excess material at both ends of workpieces (such as the overlapping margins at the head and tail of fins). It ensures the dimensional accuracy and integrity of workpieces, meeting the requirements for subsequent assembly or finished product inspection. The equipment is hydraulically driven and equipped with symmetrical inclined surface molds, capable of simultaneously punching and cutting excess material from two workpieces to improve production efficiency.
Main Technical Parameters
|
Item |
Parameter |
Description |
|
Nominal Force of Hydraulic Press |
1200KN |
Maximum punching and cutting force, suitable for cutting medium-thick plate materials |
|
Cylinder Stroke |
250mm |
Up-and-down movement range of the punching die |
|
Cylinder Bore |
250mm |
Diameter of the oil cylinder, determining the output force of the hydraulic system |
|
Oil Pump Motor Power |
11kW |
Power of the hydraulic system's power source |
|
Punching and Cutting Accuracy |
Diagonal error ≤2mm |
Dimensional accuracy requirement for workpieces after cutting |
|
Mold Material/Hardness |
Cr12MoV, HRC58-62 |
Wear-resistant edge material prolongs service life |
Core Structure and Working Principle
Hydraulic Drive System
Power Configuration
An 11kW oil pump motor drives the oil cylinder, transmitting power through hydraulic oil to output a nominal force of 1200KN, ensuring stability when punching and cutting thick plates (e.g., 2.0mm metal plates).
Stroke Control
A cylinder stroke of 250mm meets the punching and cutting needs of workpieces with different heights, adapting to fluctuations in workpiece conveying height on the production line.
Punching Die Design
Symmetrical Inclined Surface Edge
The upper edge of the die has a symmetrical inclined surface structure, with a dimensional difference of approximately 3mm between the highest and lowest points. The step-by-step punching principle reduces instantaneous punching force, minimizing equipment vibration and noise while avoiding material deformation or cracking.
Simultaneous Punching Function
The die can simultaneously cut off excess material from the tail of Fin 1 and the head of Fin 2, completing the processing of two workpieces in one operation to improve efficiency and ensure dimensional consistency between the two pieces.
Material and Maintenance
The edge is made of Cr12MoV die steel, with a hardness of HRC58-62 after quenching, offering excellent wear resistance. The detachable die design facilitates regular grinding or replacement to maintain punching accuracy.
Workflow
Feeding Stage
Welded or seam-welded workpieces are fed into the head cutting machine station by a conveying rack and aligned via a positioning device (ensuring accurate punching and cutting positions).
Punching and Cutting Stage
The hydraulic cylinder drives the die downward. The symmetrical inclined surface edge first contacts the material edge, gradually cutting in until the excess part is completely removed, while simultaneously trimming the ends of both workpieces.
Discharging Stage
The punched workpieces are sent out by the conveying rack for finished product inspection or packaging, while waste materials are collected in a box below the equipment.
Equipment Advantages
High Precision and Efficiency
Precision control with a diagonal error ≤2mm meets the dimensional requirements of precision components such as fins.
Punching two workpieces at once improves efficiency by 50% compared to single-station equipment, suitable for large-batch production scenarios.
Low Vibration and Noise
The step-by-step punching design of the symmetrical inclined surface die reduces peak punching force by approximately 30%, minimizing equipment wear and workplace noise (≤85dB), in line with industrial environmental protection requirements.
Durability and Easy Maintenance
The hydraulic system adopts mature plunger pump technology for high reliability. The die material and heat treatment process ensure edge accuracy during long-term use.
The open die installation structure allows replacement or grinding in ≤30 minutes, enabling convenient maintenance.
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