JP3194881U - Air circulation device with variable air direction in the control panel - Google Patents

Abstract

An object of the present invention is to provide a control panel for a machine tool equipped with a cooling mechanism that is inexpensive and has a simplified configuration, and in particular, to provide an air circulation device capable of changing the air direction in the control panel. A circulation fan that circulates air in the control panel, a fan mounting plate 4 having an opening of an air outlet of the circulation fan, and a fan in a control panel that houses various electrical devices that control the machine tool. A fan bracket for fixing the mounting plate, and an angle adjusting fitting 2 for rotating the fan bracket 360 degrees are provided. It is preferable that the fan mounting plate is slidable in the left-right direction by moving the screw fixing portion between the long holes 41L, 41R on the left and right. [Selection] Figure 3

Description

  The present invention relates to a wind direction variable air circulation device for eliminating high temperature air stagnation in a control panel.

  In recent years, many control devices for machine tools, such as servo amplifiers, sequencers, and DC power supply units, have been housed in the control panel, and the temperature inside the control panel has increased. If this value is exceeded, an error may occur and the machine tool may stop. Therefore, expensive equipment such as air conditioners and heat exchangers are installed as countermeasures against heat in the control panel (see, for example, Patent Document 1), but daily maintenance such as filter cleaning and filter replacement by dust and mist in the factory. It takes a lot of time and is not fully maintained, and errors occur frequently due to deterioration in capacity due to aging, which hinders production. In particular, in the summer, the control panel door may be opened to deal with it.

  The control panel itself is an iron plate and naturally exchanges heat with the ambient outside air.In recent years, however, the air conditioning in the factory has been optimized to facilitate natural cooling, and it is expensive for air conditioners and heat exchangers. Even without using a high-performance device, a cooling effect can be sufficiently obtained with a low-priced air circulation / circulation fan for the control panel.

Japanese Utility Model Publication No. 62-65895

  An object of the present invention is to provide a control panel for a machine tool equipped with a cooling mechanism that can be simplified in configuration at low cost, and in particular, an air circulation device that can vary the wind direction in the control panel. Is to provide.

As a means for solving the above problems, the air direction variable air circulation device in the control panel according to the present invention is
In a control panel that houses various electrical devices that control machine tools,
A circulation fan that circulates the air in the control panel;
A fan mounting plate having an opening of an air outlet of the circulation fan;
A fan bracket for fixing the fan mounting plate;
An angle adjusting bracket for rotating the fan bracket 360 degrees;
It is characterized by having.

  With this configuration, the cooling mechanism in the control panel of the machine tool can be simplified, and an inexpensive air direction variable air circulation device can be provided.

  Further, in the air direction variable type air circulation device in another control panel according to the present invention, the angle adjusting bracket is rotatable at 22.5 degrees.

  In the above structure, since the angle adjusting bracket can be rotated at 22.5 degrees, it is possible to fix the circulation fan toward a device that generates heat at a high temperature and to improve the cooling efficiency.

  Further, in the air direction variable type air circulation device in another control panel according to the present invention, the fan mounting plate can slide to the left and right.

  In the above structure, the fan mounting plate to which the circulation fan is attached is slidable to the left and right, so that the air passage that is the air passage can be adjusted in the control panel.

  In the main configuration of the present invention, the air direction of the circulation fan can be changed, so that the cooling mechanism in the control panel of the machine tool can be simplified, and the air direction variable air circulation device that is inexpensive but has a high cooling effect is provided. can do.

It is a layout view in an embodiment of the present invention. It is a schematic block diagram at the time of incorporating a wind direction variable type air circulation apparatus in a control panel. It is a top view of a wind direction variable type air circulation apparatus. It is a side view of a wind direction variable type air circulation apparatus. It is a front view of a wind direction variable type air circulation device. It is the top view (a) and sectional drawing (b) of an angle adjustment metal fitting. It is the rear view (a), top view (b), and side view (c) of a fan bracket. It is a front view of a fan attachment board.

  Hereinafter, embodiments of the present invention will be described with reference to the drawings.

  FIG. 1 is a layout diagram according to an embodiment of the present invention. A is a machine tool having a tool, and is controlled by a box-shaped control panel B disposed in the vicinity of the machine tool A. FIG. As shown in FIG. 2, the box-shaped control panel B has an openable / closable door, and a computer numerical control (CNC) device b1 such as a display or a personal computer is disposed on the upper part of the control panel B, and below the control device b1. Are provided with a heating device b2 such as a servo amplifier, a sequencer, and a DC power supply device. When the control panel B is in operation, the upper temperature of the control panel is about 60 ° C. and the lower part is about 40 ° C. due to air retention, and the upper limit of the rated operating temperature range of the CNC device b1 built in the upper portion is 55 ° C. May cause an error and the machine tool A may be stopped by the safety device. Therefore, in the present invention, by installing the air direction variable type air circulation device 1 in the control panel B, the air staying in the control panel is circulated clockwise from top to bottom and from bottom to top, and the temperature is made uniform. Is set to less than 55 ° C., which is lower than the upper limit of the rated operating temperature range. As described above, in the present invention, since air is circulated only in the control panel without taking in outside air, it is possible to suppress a decrease in cooling capacity due to dust or mist.

  As shown in FIGS. 3 to 5, the air direction variable type air circulation device 1 includes a circulation fan 5 that circulates air in the control panel, and a fan mounting plate 4 that has an opening of an air outlet of the circulation fan 5. The fan bracket 3 for fixing the fan mounting plate 4 and the angle adjusting bracket 2 for rotating the fan bracket 3 360 degrees are provided.

  The angle adjustment fitting 2 is attached to a rail attachment fitting 7 that is attached to the side wall of the control panel B and can be attached to and detached from the rail 8 such as a 35 mm wide DIN rail with one touch. As shown in FIG. 6, the angle adjusting bracket 2 is integrated with the rail mounting bracket 7 through screws through the upper and lower rail mounting holes 22. A first center hole 20 for fixing the fan bracket 3 is formed at a substantially central portion of the angle adjustment fitting 2, and a total of 16 angle adjustment holes 21 are formed concentrically with the first center hole 20 every 22.5 degrees. Is formed. Thereby, angle adjustments, such as 45 degree | times and 90 degree | times, can be performed easily.

  As shown in FIG. 7, the fan bracket 3 has a U shape having a top wall plate 30, a back wall plate 31, and a side wall portion 35. The top wall plate 30 has a screw hole 36 for mounting the fan mounting plate 4 and a notch 34. A substantially central portion of the back wall plate 31 has a second center hole 32 that communicates with the first center hole 20 of the angle adjusting bracket 2, and the fan bracket 3 is fixed to the angle adjusting bracket 2 with screws or the like. A projecting portion 33 that protrudes into the angle adjusting hole 21 protrudes from the end portion of the back wall plate 31 and immediately below the second center hole 32.

  As shown in FIG. 8, the fan mounting plate 4 has an opening 40 of an air outlet of the circulation fan 5, and has a long hole 41 for fixing the fan mounting plate 4 to the fan bracket 3 with screws, It has a mounting hole 42 for attaching a circulation guard 5 and a protective guard 51 for protecting the fan and preventing foreign matter from being caught by screws or the like. The fan mounting plate 4 is provided with a base for mounting a terminal block 6 for fixing the power supply terminal and the like of the circulation fan 5. Since the fan mounting plate 4 can move the screw fixing point between the long holes 41L, 41R on the left and right, the air direction variable type air circulation device 1 is slid in the left-right direction as shown in FIG. can do. In FIG. 3, the maximum amount of sliding movement on the right side is indicated by a broken line, and screwing at that time is fastened at two locations of the left long hole 41 </ b> L.

  As described above, the air direction variable type air circulation device 1 of the present invention can be rotated 360 degrees, in particular, can be fixed at 22.5 degrees, and the circulation fan 5 is fixed toward the heat generating device b2 that generates heat to a high temperature. Therefore, the cooling efficiency can be increased. Further, since the fan mounting plate 4 to which the circulation fan 5 is attached is slidable to the left and right, the air path that is the air passage can be adjusted in the control panel.

  As described above, it is possible to simplify the cooling mechanism in the control panel of the machine tool, and it is possible to provide a variable air direction type air circulation device that is inexpensive but has a high cooling effect.

DESCRIPTION OF SYMBOLS 1; Wind direction variable type air circulation apparatus 2; Angle adjustment metal fitting 20; 1st center hole 21; Angle adjustment hole 22; Rail metal fitting attachment hole 3; Fan bracket 30; Top wall board 31; 33; Projection 34; Notch 35; Side wall plate 36; Screw hole 4; Fan mounting plate 40; Air outlet 41; Slot 42; Mounting hole 5; Fan body 51; Protection card 6; Terminal block 7; Metal fitting 8; Rail A; Machine tool B; Control panel b1; Computer numerical control (CNC) device b2;

Claims (3)

In a control panel that houses various electrical devices that control machine tools,
A circulation fan that circulates the air in the control panel;
A fan mounting plate having an opening of an air outlet of the circulation fan;
A fan bracket for fixing the fan mounting plate;
An angle adjusting bracket for rotating the fan bracket 360 degrees;
A wind direction variable type air circulation device in a control panel.   The variable air direction type air circulation device in the control panel according to claim 1, wherein the angle adjusting bracket is rotatable at 22.5 degrees.   The variable air direction type air circulation device in the control panel according to claim 1 or 2, wherein the fan mounting plate is slidable left and right.

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