The feeder has high automation, flattening, good feeding precision, high synchronization performance of the press, easy operation, great saving in labor cost and floor space, etc. It has won the favor of more and more stamping customers. . With the increase in demand, there are more and more manufacturers engaged in the production of three-in-one feeders, but the quality that comes with them has also been mixed, especially in design and production. problem.
Decoiler staightener and feeder mainly consists of two major functional components: the rack part and the leveling feeding part, and the main problem in the design appears in the leveling feeding part. The flattening feeding part of the three-in-one feeder includes the front feeding mechanism. , a middle leveling mechanism, a rear feeding mechanism, and a driving device.
Problem 1: In feeders drive device, the feed roller is generally controlled by the servo motor. Because the output torque of the servo motor itself is small and cannot meet the needs of use, a certain deceleration should be performed between the feed roller and the servo motor. In order to achieve increased use of the moment. Generally, in addition to the use of a reducer for deceleration, basically two-stage synchronous wheel deceleration or one-stage synchronous wheel deceleration is adopted. In actual manufacturing and use, due to structural differences, if two-stage synchronous wheel deceleration is used , it is inconvenient to install, and it is more troublesome to replace the timing belt after the timing belt is worn. If the first-stage synchronous wheel is used for deceleration, in actual use, due to the large deceleration, the number of timing belt teeth is small, resulting in the transmission. The rate is reduced, the effect is not very satisfactory.
Problem 2: In the feeding process, in order to meet the accuracy requirements of the three-in-one feeder, it is generally required to set the positioning pin in the mold to eliminate the feeding error each time. Therefore, the feeding device needs to have a relaxing function at each feeding. After the step is completed, the feed roller needs to be relaxed to achieve repositioning of each product to eliminate the cumulative error of each feed. During the actual use of it, it is found that the actual relaxation can only be achieved when the relaxation and the relaxation are completed. The pre-relaxation can only be used during the winding process, and when it is relaxed, if it is taken before When the middle and the back are relaxed, it is difficult to control the relaxation movement to complete uniformity, and the front relaxation roller only presses the material for the convenience of feeding when the material elasticity is large or the material is thick.
Problem 3: During the use of the it, the power source used for relaxation is air pressure, and it is generally used in conjunction with the punching machine. It is inevitable that vibration will occur, and the 3 in 1 feeder positioning due to vibration will often occur. The screw is loose and affects the feeding accuracy of the flattening. Therefore, the current method is to directly process the countersunk hole on the side plate and the distance between the tapping of the positioning shaft and the fixed side plate, or the positioning axis is not added. Adjust the positioning axis to eliminate the error.
In the design and production of fanty machinery , the three major problems have been refined and optimized. The first-stage synchronous wheel deceleration and the transmission of the first-stage gear reduction are not only easy to install and maintain, but also It is beneficial to improve the transmission efficiency; the roller cylinder is changed from automatic valve control to manual valve control before feeding, which is convenient for the user to operate and saves cost; the side plate positioning axis is added, the positioning can be effectively positioned, and the positioning axis can be adjusted in case of error. eliminate.
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