JP3599314B2 - Cover device - Google Patents

Description

[0001]
TECHNICAL FIELD OF THE INVENTION
The present invention relates to a cover device having a cover that covers an opening.
[0002]
[Prior art]
Conventionally, for example, in a conveyor such as a roller conveyor or a belt conveyor, a conveyor frame is disposed on both sides, and the conveyor frames on both sides are integrally connected by a plurality of crossover members. A plurality of rollers and belt tensioning rollers are arranged side by side.
[0003]
The conveyor frame is formed, for example, in a substantially C-shaped cross section having an opening on the outer surface side, and is bolted through the opening to fix the conveyor frame and the end of the transit member, or is supported by the conveyor frame. The ends of the rollers are exposed.
[0004]
In the case of a conveyor, electric wiring such as a power line for supplying electric power to a motor that rotationally drives the rollers or a signal line of a conveyed object detection sensor, and a working fluid such as a stopper for conveyed goods and air for accumulation. Are wired and piped along the conveyor. Generally, these wirings and pipes are fixed along the conveyor frame with dedicated stoppers, or are housed in dedicated ducts attached to the conveyor frame or legs supporting the conveyor frame. There is also a structure in which wiring and piping are passed through the inside of a conveyor frame, and the opening is closed by a metal plate closing cover fixed to a side surface of the conveyor frame by, for example, screws.
[0005]
[Problems to be solved by the invention]
However, in the conventional structure, a dedicated stopper or duct is required for wiring and piping, and since the opening of the conveyor frame is opened, the conveyor frame and the end of the cross-connecting member are opened through the opening. The bolts to be fixed and the ends of the rollers supported by the conveyor frame are exposed, and the appearance of the conveyor is impaired.
[0006]
In a structure in which wiring and pipes pass through the inside of the conveyor frame and are closed with a closing cover, the opening of the conveyor frame is closed to improve the appearance of the conveyor. Wiring and pipes to be drawn out need to be provided with holes and cutouts in the conveyor frame and the closure cover, which requires processing, and the processed parts are exposed and the aesthetic appearance is impaired. At the time of maintenance of the wiring and piping passed inside, it is necessary to remove the closure cover screwed and fixed to the conveyor frame, which has a problem of poor maintainability.
[0007]
The present invention has been made in view of such a point, and an object of the present invention is to provide a cover device that covers an opening to improve the appearance and that can easily open and close the opening.
[0008]
[Means for Solving the Problems]
Cover device according to claim 1, wherein the mounting portion detachably attached to one edge portion side of the open mouth, and the closing direction of the opening with the mounting portion and formed integrally to allow opening and closing the opening a cover having a cover portion having an elasticity toward a,
And a fitting for mounting the cover mounting portion at a position separated from one edge of the opening and attached to one edge of the opening .
[0009]
Then, just by attaching the mounting portion of the cover to one edge of the opening, the opening is covered with the cover, the appearance is improved, and further, the cover can open and close the opening and the closing direction of the opening Since the cover has elasticity, it is possible to easily open and close the opening only by opening and closing the cover elastically. Is kept closed. In addition, a gap is formed between the one edge of the opening and the mounting portion of the cover by the attachment, and for example, articles can be taken in and out through the gap.
[0010]
The cover device according to claim 2 is the cover device according to claim 1, wherein a soft layer that is softer and more bendable than the mounting portion is integrally formed between the mounting portion and the cover portion, The cover portion is easily bent with respect to the mounting portion, so that the cover portion can be easily opened and closed.
[0011]
According to a third aspect of the present invention, there is provided the cover device according to the first or second aspect, wherein the cover portion is formed to have a convex curved shape from the base end to the distal end on the mounting portion side, opposite to the opening. Elasticity in the direction of closing the opening is obtained, and the state of closing the opening is reliably maintained.
[0012]
According to a fourth aspect of the present invention, in the cover device according to any one of the first to third aspects, a slit is formed in the cover portion from a base end on a mounting portion side to a distal end, and the opening is formed by the opening. Even if the cover is attached along the curve with a shape that is convex or concave in the direction, that is, even if the cover is curved, each of the cover parts divided by the slit can be easily opened and closed. .
[0013]
According to a fifth aspect of the present invention, in the cover device according to any one of the first to fourth aspects, the mounting portion has a clamping structure detachably attached by clamping. It can be easily attached to and detached from the edge.
[0014]
Cover device 請 Motomeko 6 in that in the cover device according to any one of claims 1 to 5, which is attached to the opening of the conveyor frame, conveyor maintenance by opening and closing the cover portion is readily and Become.
[0015]
BEST MODE FOR CARRYING OUT THE INVENTION
Hereinafter, embodiments of the present invention will be described with reference to the drawings.
[0016]
First, FIG. 1 to FIG. 3 show a first embodiment.
[0017]
FIG. 3 shows a roller conveyor for linear conveyance as a conveyor. Conveyor frames 1 are arranged on both sides, and the conveyor frames 1 on both sides are integrally connected by a plurality of crossover members (not shown). A plurality of rollers 2 constituting a transport surface are arranged in parallel between the conveyor frames 1 on both sides in a rotatable manner. Although not shown, a driving force is transmitted to each of the rollers 2 by a driving mechanism using a motor as a driving source, and each of the rollers 2 is driven to rotate, so that a conveyed object placed on these rollers 2 is conveyed. You.
[0018]
In FIGS. 1 and 2, a conveyor frame 1 includes an inner side surface portion 3 facing the other conveyor frame 1, an upper surface portion 4 and a lower surface portion 5 extending outward from upper and lower edges of the inner surface portion 3, and the upper surface portion 4 and the lower surface portion. 5, upper and lower edges 6 and 7 on the outer surface protruding from the outside of the conveyor frame 5 in opposition to each other, and an opening 8 opening along the longitudinal direction of the conveyor frame 1 between the upper and lower edges 6 and 7. It is formed in a substantially C-shape and long along the transport direction, and a space 9 is formed inside. The end of the cross-connecting member is bolted to the inner surface 3 and the end of the roller 2 is attached to the inner surface 3.
[0019]
A cover device (conveyor cover device) that covers the opening 8 is attached to the conveyor frame 1, and the cover device 10 includes a fixture 11 and a cover 12.
[0020]
The attachments 11 are arranged at a plurality of intervals along the longitudinal direction of the conveyor frame 1 and are formed, for example, of metal and have a substantially U-shaped cross section that is open upward. A frame mounting portion having an engagement groove 13 which is bent in a substantially U-shape that opens downward and is detachably engaged with the lower edge 7 of the conveyor frame 1 from above at one end of the mounting tool 11. 14 is formed, and a projection 15 is formed outward from the frame mounting portion 14, and the other end of the projection 15 is bent upward in a substantially L-shape to attach the cover 12 detachably. A part 16 is formed. A space 17 is formed between the conveyor frame 1 and the cover 12 by the attachment 11, and a lower surface opening 18 is formed in the lower surface of the space 17 between the plurality of attachments 11.
[0021]
The cover 12 covers the opening 8 along the longitudinal direction of the conveyor frame 1, and is attached to one edge side of the opening 8 of the conveyor frame 1, that is, the lower edge 7 side via the attachment 11. It has a mounting portion 19 and a cover portion 20 protruding from the mounting portion 19, and has a soft layer 21 connecting the mounting portion 19 and the cover portion 20 between the mounting portion 19 and the cover portion 20. The mounting portion 19 and the cover portion 20 are integrally formed with a complex structure made of, for example, a hard resin, and the soft layer 21 is made of a soft resin softer than the mounting portion 19 and the cover portion 20, for example, a soft resin such as soft vinyl chloride.
[0022]
The mounting portion 19 of the cover 12 has a clamping structure that is detachably attached by clamping, is formed in a substantially U-shaped cross section that opens downward, and is detachably attached to the cover mounting portion 16 of the mounting tool 11 from above. An engagement groove 22 to be engaged is formed. The cover portion 20 is formed in a convex curved shape from the base end on the mounting portion 19 side to the upper end, opposite to the opening 8, that is, in a curved shape such that the upper end side approaches the conveyor frame 1. The upper end has elasticity in the closing direction approaching the conveyor frame 1, and is configured to close the opening 8 of the conveyor frame 1. 1 as shown by a two-dot chain line in FIG. That is, the cover 20 allows the opening 8 of the conveyor frame 1 to be opened and closed and has elasticity in the closing direction.
[0023]
Then, when the cover device 10 is mounted on the conveyor frame 1, electric wiring such as a power line for supplying electric power to a motor for driving the roller 2 or a signal line of a sensor for detecting a conveyed object, In the case where piping for working fluid such as air for stoppers or accumulation for conveyed articles is disposed along the conveyor frame 1, the cover 20 of the cover 12 is connected to the vicinity of the connection with the mounting portion 19, that is, the soft layer. By opening as shown by a two-dot chain line in FIG. 1 against elasticity with the fulcrum 21 as a fulcrum, wiring and piping can be performed in the space 9 of the conveyor frame 1 or the space 17 between the conveyor frame 1 and the cover 20. The storage arrangement. By releasing the opening of the cover portion 20, the cover portion 20 returns to the original state of closing the opening 8 of the conveyor frame 1 by elasticity. In addition, wiring and piping can be housed and arranged in the respective space portions 9 and 17 through the lower surface opening 18 between the attachment portion 19 of the cover 12 and the conveyor frame 1. Alternatively, after storing and arranging the wiring and piping with the cover 12 removed, the cover 12 may be attached to the fixture 11.
[0024]
When the wires and pipes housed and arranged in the spaces 9 and 17 are pulled out from an arbitrary position of the conveyor frame 1, the wires or pipes are drawn upward from between the cover portion 20 of the cover 12 and the conveyor frame 1, or And is pulled downward through the lower surface opening 18 between the mounting portion 19 and the conveyor frame 1.
[0025]
Therefore, since the opening 8 of the conveyor frame 1 is closed by the cover 12, the inside of the conveyor frame 1 can be concealed and the appearance of the conveyor can be improved, and the cover 12 closing the opening 8 of the conveyor frame 1 can be improved. The cover 20 can be opened and closed and has elasticity in the closing direction. By opening the cover 20 against the elasticity, wiring and pipes can be easily taken in and out of the inside of the conveyor frame 1. Therefore, unlike the related art, there is no need to provide holes or cutouts in the conveyor frame 1 and the cover 12, eliminating the need for processing them, and solving the problem that the processed parts are exposed and the appearance is impaired. After the cover 12 is attached, the cover 20 can be easily opened and closed, so that maintenance can be facilitated.
[0026]
Since the soft layer 21 that is softer and more flexible than the mounting portion 19 is formed integrally between the mounting portion 19 and the cover portion 20 of the cover 12, the cover portion 20 can be easily bent with respect to the mounting portion 19. The cover unit 20 can be easily opened and closed.
[0027]
Since the cover portion 20 of the cover 12 is formed in a convex curved shape on the opposite side to the opening 8 from the base end on the mounting portion 19 side to the tip, elasticity in the closing direction of the opening 8 is obtained, and 8 can be reliably maintained in a closed state.
[0028]
The mounting portion 19 of the cover 12 has a holding structure that is detachably attached to the mounting portion 19, so that the mounting portion 19 can be easily attached to and detached from one edge of the opening 8.
[0029]
One end is detachably attached to the lower edge 7 of the opening 8 of the conveyor frame 1, and the other end is detached to the side of the conveyor frame 1, and the attachment portion 19 of the cover 12 is detachably attached to the other end. Since a plurality of fixtures 11 to be attached are arranged along the longitudinal direction of the conveyor frame 1, a lower surface opening 18 that opens downward between adjacent fixtures 11 and between the conveyor frame 1 and the cover 12 is formed, In addition to the upper cover portion 20, wiring and piping can be easily taken in and out from the lower surface opening 18.
[0030]
Since the space 17 is formed between the conveyor frame 1, the cover 12, and the fixture 11, wiring and piping can be stored in the space 17, and for example, the power line is stored in the space 9 inside the conveyor frame 1. The signal lines can be stored separately in the space 17 outside the conveyor frame 1. Further, in this divided storage, the wiring and the piping may be stored separately.
[0031]
Next, FIGS. 4 and 5 show a second embodiment.
[0032]
In this embodiment, as shown in FIG. 4, a roller conveyor for curve conveyance is shown as a conveyor, and the conveyor frames 1 arranged on both sides are respectively formed into curved concentric circular arcs. A plurality of tapered rollers 2 constituting a transport surface are rotatably arranged along.
[0033]
A cover device is attached so as to cover the concavely curved outer surface opening 8 of the inner side (inner side) conveyor frame 1 and the convexly curved outer side opening of the outer side (outer side) conveyor frame 1. A cover device is attached so as to cover the part 8. As shown in FIG. 5, a plurality of slits 23 are formed in the cover 12 of the cover device from the base end of the cover part 20 on the attachment part 19 side to the tip, and the cover part 20 is divided into a plurality of pieces along the longitudinal direction. Is formed.
[0034]
By forming a plurality of slits 23 from the base end on the attachment portion 19 side of the cover portion 20 to the tip end, the opening 8 of the conveyor frame 1 has a convex or concave shape in the opening direction. Even when the cover 12 is attached along, that is, when the cover 12 is curved, the portion of each cover portion 20 divided by the slit 23 can be easily opened and closed.
[0035]
Contact name in the embodiments described above, but fitted with a mounting portion 19 of the cover 12 to the lower edge of the opening 8 and 39, it may be attached to the upper edge, also, the mounting portion For example, the cover 19 may be detachably attached by the magnetic force of a double-sided adhesive tape or a magnet, and the closed state of the cover 20 may be maintained by the magnetic force of the double-sided adhesive tape or a magnet.
[0036]
In each embodiment described above, although the case of applying the cover device to the conveyor frame of the various conveyors, not limited to this, for example, storage box for accommodating the electrical system and control system, such as the switchboard of the conveyor A cover device can be applied to the opening, and in this case, electrical check and maintenance can be facilitated.
[0037]
Further, in each of the above-described embodiments, the case where the cover device is applied to the conveyor has been described. However, the present invention is not limited to this, and can be applied to a machine or an article having an opening, and high versatility can be obtained.
[0038]
【The invention's effect】
According to the cover device of the first aspect, it is possible to improve the external appearance by covering the opening with the cover only by attaching the mounting portion of the cover to one edge of the opening. Can be opened and closed and has elasticity in the direction in which the opening is closed, so that the opening can be easily opened and closed simply by elastically opening and closing the cover, and it is easy to put articles into the opening. At the same time, the state where the opening is closed by the elasticity of the cover can be maintained. In addition, since the mounting portion of the cover is mounted at a position separated from the one edge of the opening by the mounting tool mounted on one edge of the opening, the space between the one edge of the opening and the mounting portion of the cover is provided. A gap is formed in the space, through which articles can be taken in and out, for example.
[0039]
According to the cover device of the second aspect, in addition to the effect of the cover device of the first aspect, a soft layer that is softer and more foldable than the mounting portion is integrally formed between the mounting portion and the cover portion. Therefore, the cover can be easily bent with respect to the mounting portion, and the cover can be easily opened and closed.
[0040]
According to the cover device of the third aspect, in addition to the effect of the cover device of the first or second aspect, the cover portion is formed in a convex curved shape from the base end on the mounting portion side to the distal end on the opposite side to the opening. Therefore, the elasticity in the closing direction of the opening can be obtained, and the state of closing the opening can be reliably maintained.
[0041]
According to the cover device of the fourth aspect, in addition to the effect of the cover device of any one of the first to third aspects, the slit is formed from the base end on the attachment portion side of the cover portion to the front end, so that the opening is formed by the slit. Even when the cover has a shape curved in a convex or concave shape in the opening direction and the cover is attached along the curve, that is, even when the cover is curved, each of the cover portions divided by the slit can be easily opened and closed.
[0042]
According to the cover device of the fifth aspect, in addition to the effect of the cover device of any one of the first to fourth aspects, the mounting portion has a holding structure that is detachably mounted by holding, so that the mounting portion has an opening. Can be easily attached to and detached from one edge portion side.
[0043]
According to the cover device 請 Motomeko 6 wherein, in addition to the effects of the cover device according to any one of claims 1 to 5, because it is attached to an opening of the conveyor frame, maintenance of the conveyor by opening and closing the cover portion Easy.
[Brief description of the drawings]
FIG. 1 is a cross-sectional view of a cover device applied to a conveyor frame according to an embodiment of the present invention.
FIG. 2 is a side view of a cover device applied to the conveyor frame according to the first embodiment;
FIG. 3 is a plan view of the conveyor.
FIG. 4 is a plan view of a conveyor showing a second embodiment of the present invention.
FIG. 5 is a side view of the cover device applied to the conveyor frame .
[Explanation of symbols]
1 Conveyor frame 8 Opening
11 Fixture
12 Cover
19 Mounting part
20 Cover
21 Soft layer
23 slit
31 Conveyor frame
36 Frame that forms part of the conveyor frame
39 opening

Claims (6)

A mounting portion detachably attached to one edge side of the opening, and a cover portion formed integrally with the mounting portion and capable of opening and closing the opening and having elasticity toward a closing direction of the opening. Cover and
Attached to one edge of the opening, characterized in that it comprises a <br/> and its attached at a position spaced from one edge of the opening takes the mounting portion of the cover Keru fitting cover apparatus. The cover device according to claim 1, wherein a soft layer that is softer and more bendable than the mounting portion is integrally formed between the mounting portion and the cover portion. The cover device according to claim 1, wherein the cover portion is formed in a convexly curved shape on the opposite side to the opening from the base end to the distal end on the mounting portion side. The cover device according to any one of claims 1 to 3, wherein a slit is formed in the cover portion from a base end on a mounting portion side to a tip end. The cover device according to any one of claims 1 to 4, wherein the attachment portion has a holding structure that is detachably attached by holding. The cover device according to any one of claims 1 to 5 , wherein the cover device is attached to an opening of the conveyor frame.

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