JP3131417U - Opening and closing mechanism - Google Patents

Abstract

PROBLEM TO BE SOLVED: To prevent rattling of a door with a simple structure when the door is pressed despite being attached in a cantilever support form between a first frame and a second frame.
SOLUTION: When a door 21 is in a closed state, when a front operation unit 40 is operated, a pressing force in the closing direction is applied to the door 21 by the operation, but the pressing force of the door is absorbed and reduced. An absorption relaxation body 30 is provided. That is, the absorption relaxation body 30 has a head portion 31 formed into a disk shape by an elastic member such as urethane rubber, and a screw portion 32 protruding from the head portion 31. Further, in both the second frame 13 and the second frame 13, when the door 21 is closed, a head portion 31 is provided at a position where the door 21 comes into contact with the back surface of the door 21.
[Selection] Figure 3

Description

The present invention relates to an opening / closing mechanism, and in particular, an opening / closing mechanism in which a door is attached to a corner portion of a first frame constituting an apparatus base and a second frame adjacent to the first frame so as to be opened and closed. About.

For example, in an automatic production apparatus such as an automatic assembly apparatus, an apparatus base having a first frame and a second frame provided adjacent to the first frame and in a crossing direction is configured. Some corners between the first frame and the second frame of the apparatus base are provided with an opening / closing mechanism to which a door can be opened and closed.

In this opening / closing mechanism, it is necessary to perform wiring work and maintenance inspection etc. of the automatic production equipment at the back of the door, so it is attached to the equipment base so that the door can be opened and closed, and the door is closed Then, the control device is operated by operating the operation unit of the control device provided on the front surface of the door.

In particular, it has not been discovered.

As described above, in the conventional opening / closing mechanism, since it is necessary to perform maintenance and inspection of the automatic production apparatus, the door is attached between the first frame and the second frame of the apparatus base so as to be openable and closable. The operation unit of the control device is provided by using the front side.
However, since the door is attached to the corner between the first frame and the second frame of the device base, that is, unlike the case where the door is mounted on a frame that is usually square, it is cantilevered. Since the door is attached in the form, when the operation part provided on the door is operated by the operator when the door is in the closed state, the door is thereby pressed in the closing direction, In addition to the problem that rattling occurs, there is also a problem that it becomes difficult to operate the operation unit.
In order to prevent this rattling, it is easy to provide a frame so as to surround the door. However, as described above, interference may occur when the components of the automatic production apparatus operate. As a result, there is a problem that a new frame cannot be added to support the door.

In the present invention, in view of the above circumstances, when the door is pressed in a cantilevered manner between the first frame and the second frame, the door is rattled with a simple configuration when the door is pressed. It is an object of the present invention to provide an opening / closing mechanism that can prevent the above-described problem and can improve operability and reliability.

In order to achieve the above object, the present invention employs the following configuration. That is,
The invention according to claim 1 opens and closes a door provided with an operation portion such as a control device on the front surface at a corner portion between a first frame constituting the device base and a second frame orthogonal thereto. An opening / closing mechanism that can be attached, wherein at least one of the first frame and the second frame includes an absorption relaxation body that absorbs and relaxes the pressing force generated in the direction opposite to the opening direction of the door. It is characterized by.
According to a second aspect of the present invention, in the opening / closing mechanism according to the first aspect, the absorption relaxation body includes an elastic member.
According to a third aspect of the present invention, in the opening / closing mechanism according to the first or second aspect, the absorption relaxation body is provided at a position in contact with the back surface of the door in both the first frame and the second frame. It is characterized by being.
The invention according to claim 4 is the opening / closing mechanism according to any one of claims 1 to 3, wherein the absorption relaxation body is fixed to either the first frame or the second frame and is a hinge as the hinge. It is attached to the bracket which is attached to the bracket which is attached, and is attached to the bracket which is being fixed to one of the said other and which attaches the latching | locking part which closes the said door.

According to the first aspect of the present invention, since the absorption relaxation body is attached to one of the first frame and the second frame, when the door is operated in the closing direction, the door hits the absorption relaxation body. Since the absorption relaxation body suppresses the movement of the door in contact with the door, the door can be prevented from rattling. As a result, the door is mounted in a cantilevered form between the first frame and the second frame. Regardless, it is possible to prevent rattling from occurring on the door with a simple configuration and to improve the operability.

According to the second aspect of the present invention, since the absorption relaxation body has an elastic body, when the door is pressed in the closing direction by operating the operation portion, the pressing force generated on the door is elastic. Since it can absorb reliably with the elastic force of a member, there exists an effect which can implement | achieve the rattling of a door by simple structure.

According to the invention of claim 3, since the absorption relaxation body is attached to both the first frame and the second frame, when the door is pressed in the closing direction, the pressing force of the door by both elastic forces Therefore, although it is a cantilever-supported door, there is an effect that the reliability as the opening / closing mechanism can be improved.

According to the invention according to claim 4, since the absorption relaxation body is attached to the bracket to which the hinge is attached, it is not necessary to prepare the bracket for attaching the absorption relaxation body, and the number of parts increases. This is advantageous in that it can be avoided and can be carried out at a low cost and with simple attachment.

Embodiments of the present invention will be described below with reference to the drawings. 1 is a partially omitted schematic diagram of an automatic production apparatus equipped with an opening / closing mechanism according to an embodiment of the present invention, FIG. 2 is an enlarged explanatory view of the opening / closing mechanism shown in FIG. 1, and FIG. 4 is an enlarged view corresponding to the X-ray cross section, FIG. 4 is an enlarged view corresponding to the YY line cross section of FIG. 2, and FIG. 5 is an explanatory perspective view showing the absorption buffer member.
The automatic production apparatus 10 shown in FIG. 1 includes a first frame 12 provided in the upper portion in the horizontal direction and a second frame 13 provided in the vertical direction and standing on the right side. The device base 11 includes a third frame provided in parallel with the first frame 12 and a fourth frame provided in parallel with the second frame 13 on the left side. Components for automatic assembly are provided, and each of these components is configured so that a plurality of types of parts can be automatically assembled.
Such an automatic production apparatus 10 is provided with the opening / closing mechanism 20 of the present embodiment. That is, as shown in FIGS. 1 and 2, the opening / closing mechanism 20 is configured by attaching the door 21 to the corner portions of the first frame 12 and the second frame 13 of the apparatus base 11 so as to be opened and closed.

In the opening / closing mechanism 20, as shown in FIG. 2, the door 21 has a long square shape when viewed from the front, and is used to operate a control device (not shown) of the automatic production apparatus 10 on the front surface. The operation unit 40 is provided. Although not shown in detail, the operation unit 40 is provided with a plurality of touch keys so as to be input by an operator, and a button 41 for urgently stopping the automatic production apparatus 10.

2, the short side of the second frame 13 side is attached to the second frame 13 via a pair of hinges 22 and 23 that form hinges. As a fulcrum, it can be opened to the front side, which is the front direction. The hinges 22 and 23 are interposed between the second frame 13 and the short side of the door 21 adjacent to the second frame 13, and two hinges are provided along the vertical direction.

That is, as shown in FIG. 3, the hinges 22 and 23 are attached to the front end portion of the bracket 14 whose one end portion is attached to the front side of the door 21 and whose other end portion is fixed to the back side of the second frame 13. It is attached. The bracket 14 is formed such that one end is fixed to the back side of the second frame 13 and the other end is bent to the same position as the front side of the door 21.

2 and 3, the locking portion 15 is attached to the second frame 13 corresponding to the right end portion of the door 21, and the locking portion 16 is also attached to the first frame 12 corresponding to the upper end portion of the door 21. When the door 21 is closed, the closed state is maintained so that the door 21 is not opened by the locking portions 15 and 16.

The locking portions 15 and 16 can be closed by adsorbing the door 21 with a magnetic force when the door 21 is closed, and thus are constituted by permanent magnets. Specifically, as shown in FIGS. 2 and 3, one locking portion 15 is brought into contact with the door 21 at the front end portion of the bracket 17 fixed between the brackets 14 and 14 on the back surface of the second frame 13. It is attached so that it can touch. The other locking portion 16 is attached to the front end portion of the bracket 18 fixed to the back surface of the first frame 12 in FIGS. 3 and 4. The door 21 is formed of a magnetic material, that is, a steel plate or the like so as to be attracted by the magnetic force of the locking portions 15 and 16 made of permanent magnets.

In the opening / closing mechanism 20 of the present embodiment, when the operation unit 40 on the front surface is operated when the door 21 is in the closed state, a pressing force in the closing direction acts on the door 21 by the operation. An absorption relaxation body 30 for absorbing and relaxing the pressing force is provided.
The absorption relaxation body 30 has a head portion 31 formed into a disk shape as shown in FIG. 5 by an elastic member such as urethane rubber, and a screw portion 32 protruding rearward from the head portion 31. Yes. And in both the 1st frame 12 and the 2nd frame 13, when the door 21 is closed, the head 31 is provided in the position which contact | abuts the back surface of the door 21, respectively.

More specifically, in one of the absorption relaxation bodies 30, in one of the absorption relaxation bodies 30, as shown in FIGS. 3 and 4, a screw portion is provided at the distal end portion of the bracket 18 fixed to the first frame 12. 32 is screwed and fastened by a nut 33 so that the head 31 is positioned so as to be in contact with the back surface of the door 21. In the other absorption relaxation body 30, as shown in FIG. The head portion 31 is positioned so as to be in contact with the side surface of the door 21 by screwing the screw portion 32 into the bracket 14 fixed to the bracket 14 and fastening with the nut 33.
Therefore, the absorption relaxation body 30 is attached to the position corresponding to the door 21 in both the first frame 12 and the second frame 13, and when the door 21 is pressed in the closing direction, By absorbing and reducing the pressing force from the door 21 by coming into contact with the door 21, it is possible to prevent the door 21 from rattling.
1 and 2, reference numeral 24 denotes a handle provided on the door 21.

Since the opening / closing mechanism 20 of this embodiment is configured as described above, when the inspector opens the door 21 for the inspection of the automatic production apparatus 10 or the like, in FIG. 1 and FIG. When the right side of 21 is pulled forward against the magnetic force of the locking portions 15 and 16, the door 21 is opened by rotating around the hinges (hinges 22 and 23), and the door is opened around the hinge. The door 21 is closed by rotating the 21 in the opposite direction.
Then, when the door 21 is in the closed state, the operator presses the touch key to operate the operation unit 40 of the control device, thereby generating a pressing force in the closing direction on the door 21. 21 is attached between the corners of the first frame 12 and the second frame 13 of the apparatus base 11 so that it can be opened and closed, that is, the door 21 is cantilevered between the first frame 12 and the second frame 13. Due to the form, the door 21 may be rattled by the pressing force when the operation button is pressed by the operator.

However, in the present embodiment, as described above, since the absorption relaxation body 30 is provided in the first frame 12 and the second frame 13, when a pressing force acts on the door 21, the head of the absorption relaxation body 30. 31 can absorb and relieve the pressing force from the door 21. Therefore, even if the door 21 is supported in a cantilevered form only by the first frame 12 and the second frame 13, the door is not concerned with it. 21 can prevent rattling. As a result, the operator can perform an operation without feeling uncomfortable, and the operability can be improved.

Further, the absorption relaxation body 30 has a simple configuration having a head portion 31 made of an elastic member, and can reliably absorb the pressing force generated in the door 21 by the elastic force of the head portion 31. It is possible to prevent rattling with a simple configuration. Moreover, since the absorption relaxation body 30 is attached to both the first frame 12 and the second frame 13, when the door 21 is pressed in the closing direction, the pressing force of the door 21 is absorbed by both elastic forces. Therefore, although it is the door 21 of the cantilever support form, the reliability as an opening / closing mechanism can be improved.

Further, the absorption relaxation body 30 is attached to the bracket 18 fixed to the first frame 12 to provide the locking portion 16, while the bracket 14 provided to the second frame 13 to provide the hinges (hinges 22 and 23). Since it is attached by using the brackets 14 and 18 that are originally installed without preparing new members one by one to attach the absorption relaxation body 30, the number of parts increases. Can be avoided, and can be carried out at low cost and with simple attachment.

In the illustrated embodiment, an example in which the opening / closing mechanism is applied to an automatic production apparatus has been described. However, by applying the opening / closing mechanism to another apparatus, similar effects can be obtained, and the present invention is not limited to the illustrated example. It is not a thing.
An example in which one absorption relaxation body is provided in the first frame of the apparatus base and two in the second frame along the vertical direction is shown. However, if the number of the absorption relaxation bodies is increased, the anti-rattle function is further improved. Needless to say, it can be increased. Moreover, although the example which provided the absorption relaxation body in both the 1st flame | frame and the 2nd flame | frame was shown, even if it provides in either one, the rattle prevention function can be fulfilled. Accordingly, the present invention is not limited to the above-described embodiment, and in short, it is only necessary to obtain a desired function.

1 is a partially omitted schematic view of an automatic production apparatus provided with an opening / closing mechanism according to an embodiment of the present invention. It is explanatory drawing to which the opening / closing mechanism shown in FIG. 1 was expanded. FIG. 3 is an enlarged view corresponding to a cross section taken along line XX in FIG. 2. FIG. 3 is an enlarged view corresponding to a cross section taken along line YY in FIG. 2. It is a perspective view for explanation which shows an absorption buffer member.

Explanation of symbols

DESCRIPTION OF SYMBOLS 10 Automatic production apparatus 11 Apparatus base 12 1st frame 13 2nd frame 14, 18 Brackets 15 and 16 Locking part 20 Opening and closing mechanism 21 Doors 22 and 23 Hinge (hinge)
30 Absorption relaxation body 31 Head (elastic member)

Claims (4)

An opening / closing mechanism for attaching a door provided with an operation unit such as a control device on the front face to a corner portion between a first frame constituting the device base and a second frame orthogonal thereto, through a hinge so as to be opened and closed. ,
An opening / closing mechanism characterized in that at least one of the first frame and the second frame includes an absorption relaxation body that absorbs and relaxes the pressing force generated in the direction opposite to the opening direction of the door. The opening / closing mechanism according to claim 1.
The opening / closing mechanism, wherein the absorption relaxation body includes an elastic member. The opening / closing mechanism according to claim 1 or 2,
The opening / closing mechanism, wherein the absorption relaxation body is provided at a position in contact with the back surface of the door in both the first frame and the second frame. In the opening-closing mechanism in any one of Claims 1-3,
The absorption relaxation body is fixed to either the first frame or the second frame and attached to a bracket to which a hinge as the hinge is attached,
An opening / closing mechanism characterized in that the opening / closing mechanism is fixed to one of the other and attached to a bracket to which a locking portion for closing the door is attached.

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