KR200434419Y1 - The both direction flywheel press structure - Google Patents

Abstract

The present invention relates to a press structure provided with a bidirectional flywheel, an eccentric shaft (11) fixed to both sides of the side plate 32 provided on both sides in the center of the frame 30, and a flywheel installed on the eccentric shaft (11) The plunger 22 is coupled to the plunger pin 221 by the plunger pin 221 to the connecting rod 21 installed at the center of the eccentric shaft 11. It is coupled to the lower end of the plunger 22 is provided with an adjustment screw 24 is coupled to the slider 25 guided by the slider guide 251 on both sides, by the above configuration the present invention is a bidirectional flywheel By installing a dummy flywheel for stable operation of the press at the position opposite to the flywheel driven by the press equipped with a press, it is possible to operate the press itself stably by maintaining the balance of both sides without any load and the noise of the press machine. There is an effect that can reduce.

Flywheel, press.

Description

Press structure with two-way flywheel {The both direction flywheel press structure}

1 is a cross-sectional view showing the overall configuration of a press structure with a bidirectional flywheel according to the present invention.

* Explanation of symbols on the main parts of the drawing

11: eccentric shaft 12: clutch brake

13: 1st flywheel 14: motor

15: 2nd fly fly 21: connecting rod

22: Plunger 23: Plunger Guide

24: adjusting screw 25: slide

30 frame 31 top plate

32: side plate

The present invention relates to a press structure provided with a bidirectional flywheel, and to a high-speed press equipped with a bidirectional flywheel capable of working stably without a load or noise and vibration by installing flywheels on both sides of an eccentric shaft using a motor.

Currently, the press machine among the machine tools is an important machine as a sheet metal processing machine widely used in all industries. General machine tools such as lathes and milling are becoming precise, advanced and NC, but presses are not. However, unlike other machine tools, presses are punching machines, which generate vibration and processing noise when punched. In addition, as the trend of press processing is changed from single mold processing to progressive processing, which is a sequential processing, the noise during processing increases. Therefore, in the press industry, it is important to find ways to dramatically reduce noise and vibration while increasing productivity through progressive processing.

Mechanical presses are machines designed to absorb all load variations with a single flywheel. Although it is reasonable and desirable to absorb excessively large load fluctuations generated by press operation by the large flywheel inertia, constant load fluctuations generated when reciprocating the slider can be ignored at low speed, but During operation, the energy exceeds the energy of the press work, and the rotational speed of the eccentric shaft installed in the flywheel increases, so that the press machine becomes unstable at every rotation by the variation of the eccentric shaft, causing it to change periodically at every rotation. Such rotational variation of the input drive system causes vibration and noise of the press, and also adversely affects durability of the clutch and brake.

In order to solve the problems as described above, the present invention, it is an object to provide a press capable of a stable operation when the press drive by the bidirectional flywheel.

The configuration of the present invention for achieving the object, the eccentric shaft 11 fixed to both sides of the side plate 32 provided on both sides in the center of the frame 30, and the flywheel 13 is installed on the eccentric shaft 11, 15), the plunger 22 is coupled to the connecting rod 21 installed in the center of the eccentric shaft 11 by the plunger pin 221, and the plunger 22 can be lifted and lowered to the plunger guide 23, The lower end of the plunger 22 is provided with an adjustment screw 24 for screwing and is composed of a slider 25 guided by a slider guide 251 on both sides, and the flywheels 13 and 15 are the eccentric shaft ( 11) a first flywheel 13 installed on one side and connected to the motor pulley 141 of the motor 14 fixed to the frame upper surface plate 31 by the clutch brake 12, and the eccentric shaft 11 It is characterized by consisting of a second flywheel (15) provided on the other side.

Hereinafter, exemplary embodiments of the present invention will be described in detail with reference to the accompanying drawings.

1 is a cross-sectional view showing the overall configuration of a press structure with a bidirectional flywheel according to the present invention.

Referring to FIG. 1, the side plates 32 are provided at both sides in the center of the frame 30 constituting the skeleton of the inside and the outside of the press, and fixed to the side plates 32 so as to support the eccentric shaft 11 so as to rotate. It is configured to, and the eccentric shaft 11 is provided with flywheels (13, 15) to rotate by the drive of the motor (14).

Wherein the flywheel (13, 15) is installed on one side of the eccentric shaft (11), the clutch brake 12 is embedded and connected to the motor pulley 141 of the motor 14 fixed to the frame upper plate 31 by a belt The first flywheel 13 and the second flywheel 15 provided on the other side of the eccentric shaft 11, the first flywheel 13 is installed on one side of the eccentric shaft 11, the frame upper plate ( When the motor 14 installed in the 31 is driven, when the driving force by the motor pulley 141 is transmitted to the first flywheel 13 through the belt, the transmitted driving force is transmitted to the eccentric shaft 11 to slide 25 ) Is driven up and down, wherein the second flywheel (13) is positioned at the same center of gravity as the first flywheel (13) to face the first flywheel (13) in order to prevent the press or trembling of the press generated by the driving force transmitted to only one side. By positioning 15), Problems can be compensated for. On the other hand, the second flywheel 15 may be configured to rotate at the same time as the first flywheel 13 or to rotate only the eccentric shaft 11 coupled without rotating itself by a bearing or the like.

The plunger 22 is coupled to the connecting rod 21 installed at the center of the eccentric shaft 11 by the plunger pin 221, and the plunger 22 can be lifted and lowered to the plunger guide 23. ) Is provided with an adjustment screw 24 for screwing at the lower end and comprises a slider 25 guided by slider guides 251 on both sides,

When the connecting rod 21 is raised and lowered when the first flywheel 13 is rotated by the driving of the motor 14, it is coupled to the adjusting screw 24 which is screwed to the lower end of the plunger 22. The slider 25 is moved up and down, which means that when the eccentric shaft 11 rotates and rotates by the amount of eccentricity of the eccentric shaft 11, the connecting rod 21 is raised to the lower side and the plunger guide 23 fixed to both sides. The slide 25 connected to the plunger 22 coupled to move up and down is lifted up and down by the amount of eccentricity of the eccentric shaft 11, and the height of the slide 25 has a worm gear structure coupled to the bottom of the plunger 22. The height of the slide 25 is adjusted by the adjustment screw 24.

In this way, the present invention can be stably operated by the press itself by maintaining the balance of both sides without the load by installing the flywheels (13, 15) in both directions, it is possible to reduce the noise and vibration of the machine.

Although the configuration according to the present invention has been described as described above, the present invention is not limited to the above-described configuration, and in the field to which the present invention belongs without departing from the gist of the present invention claimed in the scope of the utility model registration claims below. Anyone with ordinary knowledge will have the technical spirit of the present invention to the extent that various modifications can be made.

As described in detail above, the present invention installs a dummy flywheel for stable operation of the press in a position opposite to the flywheel driven by a press equipped with a bidirectional flywheel, so that the press itself can be stably operated by maintaining a balanced load or balance on both sides. Can reduce the noise of the press machine.

Claims (2)

An eccentric shaft 11 fixed to both sides of the side plate 32 provided at both sides in the center of the frame 30, flywheels 13 and 15 installed at the eccentric shaft 11, and the center of the eccentric shaft 11 Is coupled to the connecting rod 21 installed in the eccentric portion of the plunger pin 221 and the plunger 22 is coupled to the plunger guide 23 so as to be lifted, screwed to the lower end of the plunger 22 Press structure with a bidirectional flywheel, characterized in that the adjustment screw 24 is provided with a slider 25 which is guided by the slider guide 251 on both sides. The method of claim 1, The flywheels 13 and 15 are installed on one side of the eccentric shaft 11 and have a clutch brake 12 embedded therein and are connected to the motor pulley 141 of the motor 14 fixed to the frame upper plate 31 by a belt. Press structure with a two-way flywheel, characterized in that it comprises one flywheel (13) and the second flywheel (15) provided on the other side of the eccentric shaft (11).

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