CNC hydraulic punching machine Automotive - Hydraulic, Automotive - Machine Tool Industry
CNC hydraulic punching machine Automotive - Hydraulic
, Automotive - Machine Tool Industry1 TP80 CNC hydraulic punching machine is a high precision, high efficiency in the thickness
Plate Processing equipment; with world-class FUNAC
CNC System ; Automatic programming software supports a variety of graphic file formats; automatic generation of processing procedure is simple; hydraulic cylinder in series with a unique structure; system based on parameters provided by the plate, automatically convert single-cylinder mode, effectively reduces the energy to reduce the production cost for the user; mold by-line structure, greatly reducing changeover times, improving the efficiency of the machine (see Figure 1).
Technical parameters The main design parameters of the device are: nominal pressure 800kN; mold 7 sets; Max sheet size 800mm 2000mm; sheet metal thickness of 4 ~ 10mm; processing aperture range 5.5mm ~ 40mm; punching accuracy up to 0.15mm; X-axis feeding speed 30m/min; Y-axis feeding speed 30m/min; hydraulic maximum pressure 25MPa. Mainly by the host machine punching, die and binder, X-axis feeding devices, Y-axis feeding equipment, pneumatic systems, hydraulic systems, electrical systems, and lubrication system components.
The main components 1. Host components The part by the bed, the main hydraulic cylinder, slide, back cover, slide rails, safety devices for die, assisted care materials, X-axis positioning device, nesting boxes and scrap car etc.. As the open bed structure, the welded steel plate.
Bed to the foot by four screws and eight top block and the ground connection, to ensure the accuracy of punch. Main hydraulic cylinder through the key and the screw connection with the bed, a good connection and reliable force. THK through four main slider slider and two overweight and bed rail connection, the hydraulic cylinder piston driven up and down reciprocating motion to drive blanking molds. Supplementary material holding the stage with a number of universal ball and sent to the process of reduction of sheet resistance, and to make the process of sheet sent out in the die base, reduce scratches. After pressing waste material through the guide channel, nesting box into the scrap car. Safety device for die replacement guarantee will not die down when the main slide, in order to ensure operator safety. X-axis positioning device consists of retooling the cylinder, pin, guide bush, dust ring mountings and so on. Cylinder drive pin up and down movement, to achieve precise positioning X axis (see Figure 2).
Figure 2 for model safety devices
Figure 3 Structure of the mold and press material
2. Mold and press material This machine adopts double-line-type mold structure, swing binder (see Figure 3). The rotation axis swing binder body installed in the bed, binder force provided by the two pressure tanks materials, binder cylinder installed in the slider, the slider up and down with the pressing device can provide approximately 2t binder force, pressure feed reset by the reset plate cylinder drive. Die Block, fixed by three screws and two pins to achieve the connection with the bed and positioning the punch seat installed in the slider, the slider up and down, by the CNC system options for blanking dies. Maximum die diameter 40mm, maximum waist size type hole mold 20mm 25mm (see Figure 4).
Figure 4 indicate mold installation location
3. X-axis feeding device X-axis feeding device installed in the Y-axis taken to the base, X-axis feeding device by a feeding frame, clamp, care charging platform, composed of beams and Shell. By a servo motor drive, precision ball screw and guide rail slide. Care units and clamp materials are sent to devices installed in the X-axis, the care expected to Taiwan with the beam along the sheet width direction (Y axis) move to shore up the stage with a number of universal ball material, reducing the movement of sheet resistance and scratch. Sliding board with two hydraulic clamp (see Figure 5). Punching sheet metal according to the actual location of the clamp to determine a reasonable position to avoid re-positioning to improve the punching efficiency, the location of clamp and automatic programming software to clamp the corresponding position.
Figure 5 hydraulic clamp 4. Y-axis feeding device Along the sheet width direction is defined as the Y-axis, Y-axis feeding device sent by the base, rails,
Towline , Towline frame and the foot screws and other components. By a servo motor drive, precision ball screw and guide rail slide. In order to reduce vibration on the host during blanking punching accuracy, Y-axis feeding device base and the bed is separated.
5. Pneumatic system Pneumatic system components of the machine company from Germany FESTO pneumatic components, including air source treatment unit, cylinder, manual valve, electric valve, relief valve, pressure switch, air guns and trachea components. Air source treatment systems filter accuracy 40mm, asked the factory air supply pressure of not less than 0.5MPa, the factory set pressure gas system 0.5MPa. Work process, if the pipeline pressure below 0.45MPa, low air pressure alarm prompted the system to stop working. The machine is a pneumatic actuator system for mold cylinder 7, 7
Drift Reset pin cylinder and a push cylinder. For the cylinder model state do not choose to die back, out of state for the selection of mold, the machine control system does not allow the two cylinders at the same time out of state. Machine work, seven punch reset on the chamber gas cylinder to ensure the completion of each punch punch punch closely aligns Block, to ensure replacement of the next mold, the mold for the cylinder to promote a smooth place against pads.
6. Hydraulic System Hydraulic system including the fuel tank, hydraulic pumps, motors, accumulators, coolers, pressure gauge, pressure relays, valves and piping, etc. block. Hydraulic system by means of numerical control of the system to complete various actions (see Figure 6).
Figure 6 Hydraulic Principles
Motor start, the hydraulic pump to work, YV1, YV2, YV3, YV4 and YV5 shall electric, hydraulic oil by the electromagnetic valve 7, cooler 5, filter tank 4 back to the system for the unloading state. If the electric contact pressure gauge oil line clamp pressure less than 14 test 7MPa, YV3 was electric, oil pump this oil line; added pressure of a certain time, the oil line pressure to 10MPa, YV3 loss of electricity, back in the slide valve 7 bit, the system is unloading. Used to set system pressure relief valve 8, the maximum system pressure, this device is set to 25MPa. Relief valve oil line clamp 11 is used to set the pressure, the pressure maximum is set to 10MPa. Manifold pressure switch 15 to detect the maximum pressure setting is 26MPa, the system pressure exceeds the set value, pump stopped working. Hydraulic station has two temperature control knob, a
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