Main transmission mechanism for high-speed press
A press and main drive technology, applied in the direction of presses, stamping machines, manufacturing tools, etc., can solve the problems of low stamping accuracy and wear of slider guide rails, and achieve the effects of improving stamping accuracy, reducing torque, and reducing speed
Active Publication Date: 2014-04-23
XI AN JIAOTONG UNIV
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Problems solved by technology
At the same time, the traditional mechanical press is severely worn due to the horizontal component force on the slider guide rail, resulting in low stamping accuracy
Method used
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[0011] The present invention will be described in detail below in conjunction with the accompanying drawings.
[0012] Referring to the accompanying drawings, a main transmission mechanism of a high-speed press includes a crank 7, a connecting rod 8 and an auxiliary slider 6. One end of the crank 7 is installed and supported on a high-speed press frame through a rolling bearing, and one end of the connecting rod 8 is connected to the crank 7. The other end of the connecting rod 8 is hingedly connected to the horizontal center of the auxiliary slider 6. The auxiliary slider 6 is installed on the vertical guide rail of the high-speed press body, and the horizontal direction left side of the auxiliary slider 6 It is hingedly connected with the upper left push rod 9-1, and the other end of the upper left push rod 9-1 is hingedly connected with the elbow shaft of the upper left toggle rod 5-1, and the upper end of the upper left toggle rod 5-1 is hingedly supported on the high-speed...
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A main transmission mechanism for a high-speed press comprises a crank, a connecting rod, an auxiliary slider, an upper push rod, a symmetrical toggle rod mechanism, a guide block, a symmetrical lever mechanism, a main slider and the like. A motor drives the crank to rotate at a high speed, the crank drives the auxiliary slider to linearly reciprocate up and down at a high speed through the connecting rod, the auxiliary slider pushes the guide block to linearly reciprocate up and down at a high speed through the symmetrical toggle rod mechanism, and the guide block pushes the main slider to linearly reciprocate up and down through the symmetrical lever mechanism, so that high-speed pressing is realized. Abrasion of a main slider guide way is relieved to a maximum extent by means of the bilaterally full symmetrical structure of the auxiliary slider and the main slider, and stamping precision is improved, and the symmetrical toggle rod mechanism is effective in boosting; and in addition, speed of the main slider in a nominal pressure stroke is reduced evidently, output torque of the motor is reduced by means of the symmetrical lever mechanism, output power of the motor is reduced, and energy saving effect is remarkable.
Description
technical field [0001] The invention relates to the technical field of high-speed presses, in particular to a main transmission mechanism of a high-speed press. Background technique [0002] In recent years, with the rapid development of electronics, communications, computers, home appliances and automobile industries, the market demand for stamping parts is increasing day by day. In order to reduce costs and improve labor productivity, people urgently need a high-efficiency, high-precision processing equipment for mass production, and high-speed presses can just meet people's needs. Traditional mechanical presses all adopt four-bar mechanism of crank-slider type, which requires large motor power, and because the speed and acceleration of the slider in the working stroke of the crank-slider mechanism are large and difficult to adjust, it gradually cannot adapt to high-speed precision. stamping requirements. Under the premise of ensuring the same working efficiency, the ide...
Claims
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IPC IPC(8): B30B1/14
Inventor 赵升吨邵中魁张琦范淑琴
Owner XI AN JIAOTONG UNIV