Electromagnetic screw driven fine blanking press
An electromagnetic lead screw and driven technology, which is applied in the field of fine blanking presses, can solve the problems of low control precision, short service life, and easy damage to permanent magnets, so as to avoid spring aging, low cost, and improve production efficiency and the effect of machining accuracy
Active Publication Date: 2012-02-01
ZHEJIANG UNIV
View PDF0 Cites 0 Cited by
- Summary
- Abstract
- Description
- Claims
- Application Information
AI Technical Summary
Problems solved by technology
The press driven by a linear induction motor has low efficiency, large current impact, and low control accuracy; while the press driven by a permanent magnet linear synchronous motor has a permanent magnet on the punching shaft, which is easily damaged during the working process , the service life is not long
Method used
the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
View moreImage
Smart Image Click on the blue labels to locate them in the text.
Smart ImageViewing Examples
Examples
Experimental program
Comparison scheme
Effect test
Embodiment Construction
[0026] Such as figure 1 The main structure of the shown fine blanking press consists of a fuselage 1 , a working platform 2 , a controller 3 and a frame 4 . The working platform 2 is provided with a T-shaped slot, which is used to fix the device for clamping the die, the blank holder system, the back pressure system and other components. The frame 4 is connected with the fuselage 1 through the connecting plate 5, and its height can be adjusted according to the requirements of the closed height. The electromagnetic lead screw system is installed on the frame 4. The electromagnetic nut 6 is fixed on the frame 4 by bolts. The electromagnetic nut 6 includes two annular iron cores 7, each annular iron core 7 is divided into upper and lower parts by a coil 8, and the distance between the two parts is n / 2 (n is a positive odd number) double pitch. An annular permanent magnet 9 is sandwiched between the two iron cores 7, and the distance between the two iron cores is n / 4 (n is a po...
the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More PUM
Login to View More Abstract
The invention discloses an electromagnetic lead screw driven fine blanking press, which comprises a fuselage, a working platform, a controller and a frame. The fuselage is fixed on the working platform, and the frame is located above the working platform. Flexible connection, the frame is equipped with an electromagnetic lead screw system including an electromagnetic nut and a stamping shaft; the electromagnetic nut is fixed on the frame and includes two annular iron cores, each annular iron core is divided into upper and lower parts by a coil. There is an annular permanent magnet sandwiched between the two iron cores; the stamping shaft runs through the frame and the electromagnetic nut, leaving a gap with the electromagnetic nut; the inner hole side of the annular iron core and the part of the stamping shaft in the frame are machined. Threads of the same pitch; the controller controls the magnitude, frequency and phase of the current in the coil. The press has adjustable speed and punching force, fast response, high guiding and positioning accuracy, simple structure, convenient control, low loss of parts, low noise, convenient maintenance and long service life.
Description
technical field [0001] The invention belongs to the field of electromechanical technology, and relates to a fine blanking press using an electromagnetic screw rod to drive a punch or a slider, which can be widely used in precision blanking equipment. Background technique [0002] Fine blanking (fine blanking) is an advanced processing and forming process with good technical and economic effects, which can directly obtain finished parts with small shear surface roughness and dimensional tolerance. In order to meet the requirements of the fine blanking process, the fine blanking press has the following main features: fast mold closing and return stroke, low and adjustable punching mold clamping speed; small gap between fine punching dies, high guiding accuracy; accurate end position to prolong the life of the mold . At present, the main transmission forms of fine blanking presses are generally mechanical and hydraulic. Mechanical presses mostly use a rotating motor to drive ...
Claims
the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More Application Information
Patent Timeline
Login to View More Patent Type & Authority Patents(China)
IPC IPC(8): B30B1/42B30B15/14
CPCB30B1/42
Inventor 刘晓叶云岳张玉秋黄敏强
Owner ZHEJIANG UNIV