JP2000041307A - Structure for mounting side plate on control box - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a structure of mounting a side plate on a control box that enables eliminating welding work in fabricating a body casing and to fix a side plate correctly and easily. SOLUTION: A frame 10 comprises a bottom plate 11 and a ceiling plate 17, whose four corners are linked with vertical pillars 14. Then, a front door 20, a back plate 30, a pair of side plates 35 are each fixed to the frame 10 to form a rectangular parallelepiped. The frame 10 is provided with oil receiving grooves 18, having an upward edge part 19, and side part fixing parts 25, 31 which have mounting holes 26, 32. The side plates 35 are provided with a guide plate 36 on an inside upper part and joining holes 37. The guide plates 36 are locked into the upward edge parts 19 of the oil receiving grooves 18, so that the side plates 35 are positioned in the vertical direction. Then, rivets 40 with extension pin are inserted into the mounting holes 26, 32 and joining holes 37 facing them and opened to fix the side plates 35 to the frame 10.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a side box mounting structure of a control box for mainly operating a machine tool.

[0002]

2. Description of the Related Art Conventionally, a control box for operating a machine tool protects electric parts from the influence of oil and dust generated during machining of machine parts, and accommodates a large number of electric parts to perform complicated control of the machine tool. It has been enlarged.

[0003] These electric components are mounted on a panel vertically arranged on the back plate side of the control box or on a panel vertically arranged on the back side of the opening / closing door, and each has a control section, a power supply section, and the like. Was wired.

Since the size of such a control box is determined according to the type and specification of the machine tool, the control box is designed to be specially designed and designed in accordance with the specification by designing a case each time according to the specification. Ceiling board, both sides board, back board,
After manufacturing the main body case by welding the bottom plate integrally, the above-described wiring work was performed in the main body case.

[0005]

However, in such a conventional control box, a wiring work is performed in the main body case after the main body case is assembled.
There is a problem that wiring work is difficult and time-consuming.

Further, since the main body case is manufactured by a welding operation, the main body case is easily distorted, and furthermore, the main body case manufactured in this manner cannot be disassembled, so that there is a problem in that it takes much time for transportation.

[0007] The present invention has been made in view of the above, and an object of the present invention is to provide a control box capable of eliminating welding work in manufacturing a main body case and accurately and easily mounting a side plate. It is intended to provide a side plate mounting structure.

[0008]

SUMMARY OF THE INVENTION The present invention has been made to achieve the above object, and a first aspect of the present invention is a control box side plate mounting structure in which four corners of a bottom plate and a ceiling plate are connected by uprights. Machine frame, a front door openably and closably provided on the front side of the machine frame, a back plate mounted on the back side of the machine frame, and a pair of side plates mounted on both side surfaces of the machine frame. And a side plate mounting structure of a control box which is formed in a rectangular parallelepiped and can store electric components in the machine frame,
The machine frame includes an oil receiving groove extending in the front-rear direction at an upper side surface and having an upward edge, and the side plate is formed with a guide plate parallel to an upper edge of the side plate at an upper inner side, and the guide plate is formed. A side plate mounting structure for a control box, wherein a plate is engaged with an upward edge of the oil receiving groove, and the side plate is positioned vertically.

According to a second aspect of the present invention, there is provided a side box mounting structure for a control box, comprising: a machine frame in which four corners of a bottom plate and a ceiling plate are connected by uprights;
A control that is formed in a rectangular parallelepiped with a back plate attached to the back side of the machine frame and a pair of side plates attached to both side surfaces of the machine frame, and is capable of storing electric components in the machine frame. In the side plate mounting structure of the box, the machine frame extends in the front-rear direction on the upper side and has an oil receiving groove having an upward edge,
And a side plate mounting portion provided on each of the side front portion and the side rear portion and extending in the up-down direction and having a plurality of mounting holes, wherein the side plate has a guide plate parallel to an upper edge portion of the side plate on an inner upper side, and The guide plate is formed with a plurality of coupling holes formed corresponding to the mounting holes of the side plate mounting portion, the guide plate is locked to an upward edge of the oil receiving groove, and the side plate is positioned vertically. A rivet with an extension pin is inserted and expanded into the mounting hole and the corresponding coupling hole, and a side plate is mounted on the machine frame.

Preferably, the oil receiving groove is formed integrally with the ceiling plate.

[0011]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS One embodiment of the present invention will be described below with reference to FIGS.

In the drawing, reference numeral 1 denotes a control box, and the side box mounting structure of the control box is a machine frame 10 in which four corners of a bottom plate 11 and a ceiling plate 17 are connected by uprights 14.
And the front doors 2 respectively attached to predetermined positions of the machine frame 10.
In a side plate mounting structure formed in a rectangular parallelepiped shape including a back plate 30, a pair of side plates 35, 35, a machine frame 10 includes an oil receiving groove 18 having an upward edge 19, and a plurality of mounting holes 2.
Side plate attachment portions 25 and 31 having
5 is a guide plate 36 at the upper inside and a plurality of coupling holes 3
7, the guide plate 36 is locked to the upward edge 19 of the oil receiving groove 18, the side plate 35 is positioned in the vertical direction, and the mounting holes 26 and 32 and the corresponding coupling holes 37 are formed. A rivet 40 with an expansion pin is inserted and expanded, and a side plate 35 is mounted on the machine frame 10 to mount a side plate of a control box.

The bottom plate 11, which constitutes a part of the machine frame 10, is formed in a shallow box shape with an upper opening, and four uprights 14 are provided upright at four corners thereof. An oil receiving groove 12 having a downward L-shaped cross section extending in the front-rear direction is formed at the left and right side edges of the bottom plate 11.

The upright support 14 is formed of a member having a substantially U-shaped cross section, and is provided with an opening facing inward in the front-rear direction. A mounting plate for mounting the support plate 50 is provided on the inner surface in the left-right direction. A plurality of holes 15 are formed vertically.

The ceiling plate 17 is formed in a shallow box shape with an opening at the bottom, and an oil receiving groove 18 having an upward L-shaped cross section extending in the front-rear direction is formed integrally with left and right side edges. The upper edge 19 of the oil receiving groove 18 has an upper end formed at a position lower by a predetermined dimension than the surface of the ceiling plate 17, and abuts against the lower surface of the guide plate 36 of the side plate 35, and It is formed so as to perform vertical positioning.

The ceiling plate 17 is fixed so as to cover the upper portions of four upright supports 14 erected on the bottom plate 11 to form the machine frame 10. At the left and right ends of the upper surface of the ceiling plate 17, suspension rings 2, 2 for suspension are attached.

The front door 20 is a double-opening door.
, So that the front side of the machine frame 10 can be opened and closed. Reference numeral 21 denotes a pull handle, and a breaker operation lever 23 is attached to the right side of the front door 20.

The side plate attaching portion 25 is mainly composed of a member having a substantially U-shaped cross section extending forward at a front side portion of the machine frame 10 and having an open front, and an L-shaped member extending therefrom and projecting forward. It is formed with an overhanging edge 27 of cross section.
And a plurality of mounting holes 26 are drilled in the side portion,
It is attached to upright supports 14, 14 on the front side of the machine frame 10.

The back plate 30 is formed in a shallow box shape with an open front, and has a rearward extending L extending vertically in the left and right side edges.
A side plate mounting portion 31 having a U-shaped cross section is integrally formed. A plurality of mounting holes 32 are formed in a side surface portion of the side plate mounting portion 31.

The side plate 35 is formed in a shallow box shape whose inner side (mounting surface side) is open, and has an upper edge 3
A guide plate 36 having an L-shaped cross section parallel to 5a is fixed. The side plate 35 is provided at a predetermined position on the side plate mounting portion 2.
A plurality of coupling holes 37 are formed in opposition to the plurality of mounting holes 26 and 32 of 5, 31.

The rivet 40 with an extension pin is formed of a known extension rivet which is opened by pushing the pin. For example, as shown in FIG. 9, a rivet 41 having stopper pieces 41a, 41a and a rivet 41 penetrating the rivet 41 are provided. And the pin 42 for pushing and expanding the stopper pieces 41a, 41a.

Next, the mounting of the side plate of the control box of the present invention will be described.

First, the upright supports 14, 14 on the front side of the machine frame 10
14, the side plate mounting portion 25 and the side plate mounting portion 25 are fixed. Also, a back plate 3 is provided between the upright supports 14 on the rear side.
The front door 20 is fixed to the front of the machine frame 10 via hinges 22 and 22.

Thus, the oil receiving groove 18 extending in the front-rear direction at the upper part, the side plate mounting part 25 extending in the vertical direction at the front part, the side plate mounting part 31 extending in the vertical direction at the rear part, and the lower part A machine frame 10A having an oil receiving groove 12 extending in the front-rear direction is formed.

Next, the side plate 35 is applied to the side surface of the machine frame 10A, and the lower surface of the guide plate 36 of the side plate 35 is brought into contact with the upward edge 19 of the oil receiving groove 18, and a plurality of coupling holes 37 are formed in the front-rear direction. To the mounting holes 26 and 32 of FIG. At this time, the position of the side plate 35 in the up-down direction is such that the guide plate 36 is positioned at the upward edge 19 and the side plate upper edge 3
5a and the upper surface of the ceiling plate 17 are flush.

In this state, a rivet 40 with an extension pin is inserted into each of the coupling holes 37 of the side plate 35, and the rivets 41 thereof are inserted into the coupling holes 3.
7. Pass through the mounting hole 26 (or 32). And
Each pin 42 is pushed in to fix the tacking pieces 41a, 41a.
a is expanded, and the side plate 35 and the side plate mounting portions 25 and 31 are joined to form a main body case which is a box body of the control box 1.

As described above, the oil receiving groove 18 positions the side plate 35 in the vertical direction together with the guide plate 36 of the side plate 35, and the side plate mounting portions 25 and 31, together with the rivets 40 with expansion pins, make the side plate 35 quick and easy. Mounting is possible.

Therefore, according to the control box side plate mounting structure of the present invention, the side plate 35 can be accurately, quickly and easily mounted on the machine frame 10A at any time without any special tools or skill. Therefore, during the formation of the main body case,
For example, at the stage when the machine frame 10A is formed, it is easy to attach and wire electric components to the inside of the back plate 30 of the machine frame 10A that is open on both left and right sides, and to improve the workability of assembling the electric wires. Can be improved.

As shown by the two-dot chain line in FIG.
The support plate 50 having an L-shaped cross section may be fixed between the support plates 14 (one step or plural steps), and the slide panel 51 may be slidably mounted between the support plates 50 at the same level on the left and right.

Electric components (not shown) such as a sequencer unit, a driver unit, and a relay, which constitute a control unit and the like, are attached to the slide panel 51. The slide panel 51 is connected to a power supply unit via a connector cable. And the like. This support plate 5
The workability of assembling electrical wiring can be further improved by combining the configurations of the slide panels 51, 0, 50 with the machine frame 10A.

The control box 1 is assembled by attaching the side plates 35, 35 to the machine frame 10A in which electric parts are mounted as described above.

When oil dust comes from the machine tool into the assembled control box 1, for example, oil dust that has entered through a gap between the ceiling plate 17 and the side plate upper edge 35 a of the side plate 35 is removed by the oil receiving groove 18. The intrusion into the control box 1 is blocked, combined with the oil receiving groove 18, liquefied, and drips downward from its front and rear ends.

When oil dust enters through gaps between the front and rear sides of the side plate 35, and when liquefied oil dust drops from the oil receiving groove 18, the side plate mounting portion 25 or the side plate mounting portion 31 is provided. Exerts the effect of the oil receiving groove to block oil dust from entering the control box 1 and guide it downward. Similarly, the side plate 35
The oil receiving groove 12 blocks the entry of oil dust from below. Also, between the front door 20 and the machine frame 10,
An overhanging edge 27 of the side plate mounting portion 25 blocks oil and dust intrusion.

In the above embodiment, the oil receiving groove 18 integrated with the ceiling plate 17 and the side plate mounting portion 31 integrated with the back plate 30 have been exemplified. It may be a groove and a side plate attachment part. Further, the cross-sectional shape of the oil receiving groove 18 may be a rectangular shape, an arc shape, or the like.

[0035]

The structure for mounting the side plate of the control box according to the present invention is as described above, so that no special tool or skill is required for mounting the side plate of the control box, and the side plate can be mounted accurately and easily. .

Accordingly, the work of mounting and wiring the electric parts can be performed at the stage of the machine frame before the side plate is mounted, that is, with both the left and right sides opened, and the workability can be improved.

Further, since the machine frame and the side plate can be transported in a divided state, the handling is easy, and the welding operation is not required, so that the control box is hardly distorted.

[Brief description of the drawings]

FIG. 1 is a perspective view showing a control box having a control box side plate mounting structure according to an embodiment of the present invention.

FIG. 2 is a perspective view showing a machine frame of the control box.

FIG. 3 is a perspective view showing a machine frame to which an oil receiving groove / side plate attaching portion is attached.

FIG. 4 is a front view of the side plate as viewed from the inside.

FIG. 5 is a sectional view taken along line AA of FIG. 4;

FIG. 6 is a perspective view showing a combination of a machine frame and a side plate having an oil receiving groove and a side plate attachment portion.

FIG. 7 is a front sectional view showing, in a partially enlarged manner, engagement of a guide plate of a side plate in an oil receiving groove;

FIG. 8 is a sectional view taken along line BB of FIG. 7;

FIG. 9 is a partially enlarged plan sectional view showing attachment of a side plate by a rivet with an extension pin.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Control box 10, 10A Machine frame 11 Bottom plate 14 Standing column 17 Ceiling plate 18 Oil receiving groove 19 Upward edge 20 Front door 25, 31 Side plate mounting part 26, 32 Mounting hole 30 Back plate 35 Side plate 36 Guide plate 37 Connection hole 40 Rivet with extension pin

Continuation of the front page (72) Inventor Kazuyoshi Kato 6-10 Ushimaki-cho, Mizuho-ku, Nagoya-shi, Aichi F-term (reference) in Sanmei Electric Co., Ltd. 5G016 AA04 BB05 CA05 CB05

Claims (3)

[Claims] 1. A machine frame in which four corners of a bottom plate and a ceiling plate are connected by uprights, a front door provided on the front side of the machine frame so as to be openable and closable, and a back mounted on a rear side of the machine frame. A side plate mounting structure of a control box formed of a rectangular parallelepiped including a plate and a pair of side plates attached to both side surfaces of the machine frame, and capable of storing electric components in the machine frame, An oil receiving groove extending in the front-rear direction on the upper side surface and having an upward edge, the side plate is formed with a guide plate parallel to the upper edge of the side plate on the inner upper side, and the guide plate is formed of the oil. Locked to the upward edge of the receiving groove,
The side plate mounting structure for a control box, wherein the side plate is positioned vertically. 2. A machine frame in which four corners of a bottom plate and a ceiling plate are connected by uprights, a front door openable and closable on the front side of the machine frame, and a back mounted on the rear side of the machine frame. A side plate mounting structure of a control box formed of a rectangular parallelepiped including a plate and a pair of side plates attached to both side surfaces of the machine frame, and capable of storing electric components in the machine frame, An oil receiving groove extending in the front-rear direction at the upper part of the side surface and having an upward edge, and a side plate mounting part provided in the front part of the side surface and the rear part of the side surface and extending vertically and having a plurality of mounting holes, A guide plate parallel to the upper edge portion of the side plate, and a plurality of coupling holes formed in correspondence with the mounting holes of the side plate mounting portion, wherein the guide plate is provided with the oil receiving groove. Locked to the upward edge of
A control box, characterized in that the side plate is positioned in the vertical direction, a rivet with an extension pin is inserted and expanded in the mounting hole and the corresponding coupling hole, and the side plate is mounted on the machine frame. Side plate mounting structure. 3. The side plate mounting structure for a control box according to claim 1, wherein the oil receiving groove is formed integrally with the ceiling plate. Mounting structure.