JP3533961B2 - Control box - Google Patents

Description

Detailed Description of the Invention

[0001]

TECHNICAL FIELD The present invention relates to a control box for a machine tool or the like.

[0002]

2. Description of the Related Art Conventionally, as a control box for a machine tool or the like, a plurality of plates are vertically arranged in a box body,
It is known that each plate is equipped with electric parts (power supply, reactor, amplifier, relay, etc.).

[0003]

However, according to the conventional control box as described above, the work space is limited when trying to downsize the control box, and the work of mounting the electric parts on each plate is performed. , Other, wiring work,
On the contrary, there has been a problem that the maintenance work becomes complicated, and conversely, when an attempt is made to secure a working space, the control box becomes large and the mounting rate of electric parts is lowered.

An object of the present invention is to solve the above problems and to provide a control box which can accommodate a large number of electric parts and can be downsized.

[0005]

A control box according to the present invention includes a box body, a box housed in the box body, and a bottom.
A plurality of horizontal split type slide plates including a plate and side plates to which electric components are attached, a fixed plate fixed to the inside of the box body and supporting the horizontal split type slide plate from below, and the fixed plate. And a pulley to be arranged, wherein each of the horizontal split type slide plates is attachable to and detachable from the fixed plate, and the fixed plate corresponds to each of the horizontal split type slide plates.
Has a plurality of wheel through holes extending in the front-rear direction, the pulley comprises a wheel and a wheel holding portion that rotatably supports the wheel, and the wheel holding portion is a lower surface of the fixing plate and the wheel passing portion. The wheel is attached around the hole, and a part of the wheel projects upward from the wheel through hole, and the wheel abuts the lateral split type slide plate from below and can move the lateral split type slide plate in the front-back direction. It is characterized by

Here, when mounting the electric component on the horizontal split type slide plate, wiring the electric components to each other, or performing maintenance work of the electric component, for example, the horizontal split type slide plate is detached from the fixed plate. Install, wire, replace, etc., electrical components. And after finishing such work,
Attach the horizontal split slide plate to the fixed plate and push the horizontal split slide plate back to the storage position. This retracting work can be performed very easily by the action of the pulley.

[0007] Thus, according to the control box of the present invention, it is possible in a state in which removal of the horizontal split-type sliding plate from the box body performs mounting such electric components, mounting of electrical components, wiring, maintenance Etc. become extremely easy, and since a working space is almost unnecessary, the mounting rate of electric parts can be increased, and the size of the box can be reduced. In addition, if you want to inspect only the electrical component of one horizontal split type slide plate among multiple horizontal split type slide plates, you can easily check the electrical component by pulling out only the horizontal split type slide plate to the front. It becomes possible to do.

Further, in the control box of the present invention, as described above, the fixing plate is formed by each of the horizontal division type slide plates.
A plurality of wheel through holes along the front-rear direction corresponding to the rate , the pulley comprises a wheel and a wheel holding portion that rotatably supports the wheel, and the wheel holding portion is a lower surface of the fixing plate and The wheel is attached to the periphery of the wheel through hole, and a part of the wheel protrudes upward from the wheel through hole, and the wheel abuts the horizontal split type slide plate from below to move the horizontal split type slide plate in the front-back direction. To be able to move to. By adopting such a configuration, the distance from the upper surface of the fixed plate to the lower surface of the horizontally split slide plate can be reduced, and the height dimension of the control box can be reduced.

Further, in the above control box, the fixed plate and the laterally divided slide plate have guide holes and guide pins, the guide holes extend in the front-rear direction, and the guide pins are provided in the guide holes. The horizontal movement of the horizontally divided slide plate, which is inserted, is determined by the front-back movement of the guide pin in the guide hole. By adopting such a configuration, the horizontally split slide plate can be moved in the front-rear direction without always interfering with the side plate of the box body while maintaining a constant posture.

Further, in the above control box, the control box is provided with a lock mechanism for fixing the storage position of the horizontally split slide plate. By adopting such a configuration, it is possible to prevent the horizontal split slide plate from moving or dancing in the box body when an external force is applied to the control box.

Further, in the above control box, the lock mechanism includes a lock hole and a lock pin,
The lock hole includes a slide plate side lock hole and a fixed plate side lock hole. The slide plate side lock hole and the fixed plate side lock hole are aligned in the left-right direction, and the horizontal split slide plate is When in the storage position, the positions in the front-rear direction are aligned with each other, and the lock pins are inserted into both lock holes in which the positions in the front-rear direction are aligned with each other, and the horizontal split slide plate is attached to the fixed plate. Try to fix it. By adopting such a configuration,
The structure of the lock mechanism is extremely simple.

Further, in the above control box, the box main body has a machine frame, the machine frame has a plurality of vertical columns, and each vertical column has a plurality of fixing plate mounting holes in the vertical direction. The fixing plate is fixed to any fixing plate mounting hole of the plurality of fixing plate mounting holes by a mounting bracket. By adopting such a configuration, it becomes possible to freely select the mounting position of the fixing plate to the machine frame according to the height dimensions of the mounted electric components, and also the on-site assembly work can be performed. It will be easier.

[0013]

[0014]

[0015]

[0016]

BEST MODE FOR CARRYING OUT THE INVENTION Embodiments of the present invention will be described below with reference to the drawings.

FIG. 1 is a front view of a control box according to one embodiment, FIG. 2 is a perspective view schematically showing the structure of the main part of the control box, and FIG. 3 is a plan view of a fixing plate. 4 (A) and (B) are enlarged plan views of a part of the fixed plate, FIG. 4 (A) is an arrow B view, and FIG. 5 is a positional relationship between the laterally divided slide plate, the fixed plate, and the pulley. 6 is a front view for explaining the above, and FIG. 6 is a sectional view for explaining the positional relationship between the laterally divided slide plate, the fixed plate, and the pulley, respectively.

In FIG. 1, a control box 1 is composed of upper and lower five shelves 2, 3, 4, 5 and 6, in which various electric parts 7 such as a power source, a reactor, an amplifier and a relay are provided as a power source section, The operation unit and the control unit are unitized and housed with connectors connected.

The control box 1 comprises a box-shaped box body 8 having an open front surface. The box body 8 is configured by attaching an opening / closing door (not shown), left and right side plates (not shown), and a back plate (not shown) to a machine frame 9 as shown in FIG. The machine frame 9 includes a box-shaped bottom plate 10 that opens upward,
Four standing columns 11 which are erected at the four corners of the bottom plate 10.
And the ceiling plate 1 that covers the upper ends of these vertical columns 11.
2 and. Each of the vertical columns 11 has a plurality of support member mounting holes 11a in the vertical direction. In addition, the bottom plate 10,
The vertical column 11 and the ceiling plate 12 are separate members, and although not clearly shown in FIG.
0, 11, and 12 are easily assembled at the installation location of the control box 1 by a mounting bracket (not shown).

The upper and lower five shelves 2, 3, 4, 5, shown in FIG.
Among the six, the second shelf 5 from the bottom is configured to include a plurality of horizontally divided slide plates 13, 13, 13. Each horizontal division type slide plate 13 is a box body 8
It is housed inside and is movable in the depth direction of the control box 1, that is, the front-back direction (direction perpendicular to the drawing).
The laterally divided slide plate 13 includes a bottom plate 14 and side plates 1.
6 and 6. The electric component 7 is attached to the side plate 16.

Each horizontal division type slide plate 13 is shown in FIG.
As shown in FIG. 5, the box is supported by a fixing plate 19 fixed inside the box body 8.

The fixing plate 19 is shown in FIGS.
It has a configuration as shown in (A) and (B).

The fixed plate 19 includes a horizontal plate portion 19a and
The horizontal plate portion 19a is composed of a vertical plate portion 19b which hangs vertically from the outer free end.

As shown in FIGS. 3 and 4 (A), the horizontal plate portion 19a has a plurality of wheel through holes 19d extending in the front-rear direction.
Have. Further, as shown in FIG. 4 (A), the horizontal plate portion 19a has pulley attachment holes 19e at the front position and the rear position of each wheel through hole 19d. 5 and 6 are provided on the lower surface of the horizontal plate portion 19a and around each wheel through hole 19d.
A pulley 21 as shown in is attached. The pulley 21 is
It is composed of a wheel 21a and a wheel holding portion 21b that rotatably supports the wheel 21a. The wheel holding portion 21b is
Two bolt through holes 21c are provided in the front-rear direction at the same intervals as the intervals between the two pulley attachment holes 19e. When attaching the pulley 21 to the horizontal plate portion 19a,
The pulley 21 is arranged on the lower surface side of a, and the wheel 21a of the pulley 21 is inserted into the wheel passage hole 19d of the horizontal plate portion 19a. After aligning, the bolt 22 is passed through the pulley mounting hole 19e and the bolt through hole 21c, and the nut 2
Try to tighten at 3. After installing the pulley, pulley 2
A part of the first wheel 21a projects upward from the wheel through hole 19d.

As shown in FIG. 4A, the horizontal plate portion 19a has a guide hole 19f extending in the front-rear direction.
The horizontally split slide plate 1 is provided in the guide hole 19f.
Guide pins 13a projecting from the lower surface of FIG. 3 (FIG. 4 (A),
5) is inserted. Horizontally divided slide plate 13
Can move in the front-rear direction while maintaining a constant posture by moving the guide pin 13a while being guided by the guide hole 19f.

Further, as shown in FIG. 4 (A), the horizontal plate portion 19a has a lock hole 19g as an element of a lock mechanism 24 for fixing the horizontally split slide plate 13 to the storage position. The lock hole 19g is provided near the front end of the fixed plate 19. The lock mechanism 24 is
In addition to the lock hole 19g on the fixed plate side, the lock hole 13b (FIG. 5) provided in the laterally divided slide plate 13 and the lock pin 25 (FIG. 5) are elements. The slide plate side lock hole 13b and the fixed plate side lock hole 19g are aligned in the left-right direction with each other, and when the horizontal split slide plate 13 is in the storage position, the front-rear direction is aligned with each other. Has been formed. When fixing the horizontally split slide plate 13 to the storage position, as shown in FIG.
The lock pin 25 is inserted into the slide plate side lock hole 13b and the fixed plate side lock hole 19g.

As shown in FIG. 4B, the vertical plate portion 19b has bolt through holes 19 near the front end and the rear end, respectively.
have h. These bolt through holes 19h are formed at substantially the same intervals as the intervals between the two fixing plate mounting holes 11a located at the same height of the vertical columns 11 located at the front and rear. When attaching the fixed plate 19 to the machine frame 9, the bolt through holes 19h of the vertical plate portion 19b and the vertical support 1
One of the plurality of fixed plate mounting holes 11a is aligned with an arbitrary fixed plate mounting hole 11a, and the bolt 26 (FIG. 5) is passed through the fixed plate mounting hole 11a and the bolt through hole 19h so that the nut 27 ( Tighten with (Fig. 5).

In the control box 1 constructed as described above, when the electric component 7 is mounted on the horizontal split type slide plate 13, the electric components 7 are wired to each other, or the maintenance work of the electric component 7 is performed, The electric component 7 is mounted, wired, exchanged, etc. with the laterally divided slide plate 13 separated from the fixed plate 19. As described above, the control box 1 of the present embodiment
According to the above, since the electric component 7 can be mounted in the state where the laterally divided slide plate 13 is removed from the box body 8, the mounting, wiring, maintenance work, etc. of the electric component 7 are extremely easy. Since the work space is almost unnecessary, the mounting rate of the electric components 7 can be increased and the size of the box can be reduced.

After completing such work,
The horizontal split slide plate 13 is attached to the fixed plate 19, and the horizontal split slide plate 13 is pushed to retract to the storage position. This retracting work can be performed very easily by the action of the pulley 21. Further, when the horizontal split slide plate 13 is retracted, the guide pins 13a are retracted while being guided by the guide holes 19f, so that the horizontal split slide plate 13 is adjacent to the side plate of the box body 8 while always maintaining a constant posture. It can be retracted without interfering with the laterally divided slide plate 13.

After the horizontally split slide plate 13 reaches the storage position, the lock pin 25 is moved to the slide plate side lock hole 13b and the fixed plate side lock hole 1.
The laterally divided slide plate 13 is fixed to the fixed plate 19 by inserting it into the fixed plate 19. This allows
It is possible to prevent the laterally divided slide plate 13 from moving or dancing in the box body 8 when an external force is applied to the control box 1.

On the other hand, when the horizontally split slide plate 13 in the storage position is removed from the box body 8, the reverse operation is performed.

In the control box 1 of this embodiment, the fixed plate 19 has a plurality of wheel through holes 1 along the front-rear direction.
9d, the wheel holding portion 21b of the pulley 21 is attached to the lower surface of the fixed plate 19 and around each wheel through hole 19d, and a part of the wheel 21a of the pulley 21 projects upward from the wheel through hole 19d. . Therefore, the fixed plate 1
The distance from the upper surface of 9 to the lower surface of the horizontal split type slide plate 13 can be reduced, and the height dimension of the control box 1 can be reduced.

Further, in the control box 1 of the present embodiment, the box body 8 has a machine frame 9, the machine frame 9 has a plurality of stand columns 11, and each stand column 11 is fixed in a plurality in the vertical direction. Fixed plate 19 having plate mounting holes 11a
Is fixed to any arbitrary fixed plate mounting hole 11a among the plurality of fixed plate mounting holes 11a by mounting metal fittings 26 and 27. Therefore, the mounting position of the fixing plate 19 to the machine frame 9 can be freely selected according to the height dimension of the electric components 7 to be mounted, and the assembling work on site becomes easy.

Further, a plurality of horizontally divided slide plates 1
When it is desired to inspect only the electric component 7 of the horizontal split type slide plate 13 of one of 3, 13, and 13, the electric component 7 can be easily checked by pulling out only the horizontal split type slide plate 13 forward. It becomes possible to do.

Although the laterally divided slide plate described above has electric components mounted on its side plates, it may be of a type having electric components mounted on its back plate.

FIG. 7 is a perspective view schematically showing the structure of a main part of a control box according to another embodiment of the present invention.

The control box 1 according to this embodiment is provided with a box body, a plurality of laterally divided slide plates 13 accommodated in the box body, on which electric components are mounted, and a laterally arranged slide plate 13 disposed inside the box body. A movable plate 30 that supports the split slide plate 13 from below, a fixed rail 31 that is fixed inside the box body and supports the movable plate 30 from below, and pulleys that are respectively arranged on the movable plate 30 and the fixed rail 31. Each of the horizontal division type slide plates 13 can be attached to and detached from the movable plate 30, the movable plate 30 can be attached to and detached from the fixed rail 31, and the pulley can rotate the wheel and the wheel. And a wheel holding portion pivotally supported on the wheel. Characterized by the split-type sliding plate 13 and the movable plate 30 can move in the longitudinal direction.

Here, when the electric parts are mounted on the horizontal division type slide plate 13, the electric parts are wired, or the maintenance work of the electric parts is performed, for example, the horizontal division type slide plate 13 is moved to the movable plate 30. Installation of electrical parts, wiring,
Make sure to exchange them. Then, after such work is completed, the horizontal split type slide plate 13 is mounted on the movable plate 30, and the horizontal split type slide plate 13 is pushed to retract to the storage position. This retracting work can be performed very easily by the action of the pulley. Also,
When it is desired to inspect only the electric component of one horizontal division type slide plate 13 of the plurality of horizontal division type slide plates 13, the electric component can be easily pulled out by pulling out only the horizontal division type slide plate 13 forward. It becomes possible to inspect. Furthermore, if you want to inspect all the electrical components of the horizontal split slide plate 13,
By pulling out the movable plate 30 forward, it becomes possible to easily inspect all the electric components of the horizontally split slide plate 13.

As described above, according to the control box of another embodiment of the present invention, since the electric components can be mounted in a state in which the laterally divided slide plate is removed from the box body, the electric components can be mounted. Since wiring, maintenance work, and the like are extremely easy and a work space is almost unnecessary, it is possible to increase the mounting rate of electric parts and reduce the size of the box.
Also, since a plurality of horizontal split type slide plates are arranged on the movable plate, it is possible to pull out the movable plate or only the desired horizontal split type slide plate according to the electrical component to be inspected or the like. It is possible to improve work efficiency.

[0040]

As described above, the main effect of the present invention is that it is possible to reduce the size while accommodating a large number of electric parts.

[Brief description of drawings]

FIG. 1 is a front view of a control box according to an embodiment of the present invention.

FIG. 2 is a perspective view schematically showing a structure of a main part of the control box.

FIG. 3 is a plan view of a fixing plate.

FIG. 4A is an enlarged plan view of a part of the fixing plate,
FIG. 4B is a view on arrow B shown in FIG.

FIG. 5 is a front view for explaining the positional relationship between the laterally divided slide plate, the fixed plate, and the pulley.

FIG. 6 is a cross-sectional view for explaining the positional relationship between the laterally divided slide plate, the fixed plate, and the pulley.

FIG. 7 is a perspective view schematically showing a structure of a main part of a control box according to another embodiment of the present invention.

[Explanation of symbols]

1 control box 7 electrical components 8 box body 9 machine frames 11 Stand up 11a Fixed plate mounting hole 13 Horizontally divided slide plate 13a Guide pin 13b Lock hole 19, 20 Fixed plate 19d wheel through hole 19f guide hole 19g lock hole 21 Pulley 21a wheels 21b Wheel holding part 24 Lock mechanism 26 bolts (mounting brackets) 27 Nut (mounting bracket) 30 movable plate 31 fixed rail

Continuation of front page (56) References JP-A-8-266341 (JP, A) JP-A-3-139106 (JP, A) JP-A 64-5308 (JP, A) JP-A-10-122576 (JP , A) Actually open 57-170607 (JP, U) Actually open 1-117240 (JP, U) Actually open 58-3834 (JP, U) Actually open 59-66444 (JP, U) Actually open 62-48238 (JP, U) Actually open Sho-58-90140 (JP, U) Actually open 7-11810 (JP, U) (58) Fields investigated (Int.Cl. ⁷ , DB name) H02B 1/30 -1/36 A47B 46/00

Claims (5)

(57) [Claims] 1. A box body, and a side plate housed in the box body, to which a bottom plate and electric parts are attached.
A plurality of horizontally split slide plates, a fixed plate fixed to the inside of the box body and supporting the horizontally split slide plate from below, and a pulley arranged on the fixed plate, The horizontally split slide plate is attachable to and detachable from the fixed plate, and the fixed plate is the horizontally split slide plate.
And a plurality of wheel through holes along the front-rear direction corresponding to , the pulley comprises a wheel and a wheel holding portion that rotatably supports the wheel, and the wheel holding portion is a lower surface of the fixing plate and the The wheel is attached to the periphery of the wheel through hole, and a part of the wheel projects upward from the wheel through hole, and the wheel abuts the horizontal split type slide plate from below to move the horizontal split type slide plate in the front-back direction. A control box characterized by being movable. 2. The fixing plate according to claim 1,
The horizontal split slide play having a guide hole
Has a guide pin , the guide hole extends in the front-rear direction, the guide pin is inserted into the guide hole, and the movement of the horizontal split type slide plate in the front-rear direction is performed in the guide hole. A control box characterized by being determined by the movement of the guide pin in the front-back direction. 3. The control box according to claim 2.
Fix the storage position of the horizontal split slide plate.
A control box comprising a lock mechanism for locking . 4. The lock mechanism according to claim 3,
It is composed of a lock hole and a lock pin, and the lock hole is
Slide plate side lock hole and fixed plate side lock hole
And the slide plate side lock hole and the
The lock holes on the fixed plate are aligned in the left-right direction.
And the horizontal split slide plate is stored.
So that the front and rear positions of the
In addition, the lock pins have their front and rear positions aligned with each other.
Inserted in both lock holes, the horizontal split type slide
A control box, wherein a control plate is fixed to the fixed plate . 5. The box body according to claim 4,
It has a machine frame, the machine frame has a plurality of stand columns, each stand
The column has a plurality of fixing plate mounting holes in the vertical direction.
The fixing plate has a plurality of fixing plate mounting holes.
Then, fix it in any fixing plate mounting hole with a mounting bracket.
Control box, characterized in that.