JP2640424B2 - Conveyor device - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a conveyor device capable of easily attaching and detaching a conveyor belt to and from an apparatus main body.

[0002]

2. Description of the Related Art Conventionally, in conveyor systems for transporting foodstuffs, especially fresh fish and shellfish, raw meat and the like, the conveyor belt is detached from the apparatus main body for sanitary control, and the conveyor belt is frequently cleaned. There was a need to.

[0003] Conveyer devices capable of attaching and detaching a conveyor belt to and from an apparatus main body include, for example, those shown in FIGS.

First, the conventional apparatus will be described with reference to these drawings. FIG. 1 is a perspective view showing a belt holder 2 on which a conveyor belt 1 is mounted. A pair of mutually parallel rollers 3 and 4 are rotatably provided at both ends of the belt holder 2, and a timing pulley 5 is mounted on the driving roller 3, and a timing belt 6 is wound around the timing pulley 5. Is equipped.

In the vicinity of the rollers 3 and 4 of the belt holder 2, a recess 9 for engaging with a projection 8 provided on the apparatus main body 7 shown in FIG. A locking piece (not shown) for locking the clip 10 (FIG. 4) is provided. The catch clips 10 are provided at three places other than the corner where the geared motor 11 described later is mounted.

A geared motor 11 for driving the conveyor belt 1 is mounted on the apparatus body 7 at a position corresponding to the roller 3 on the driving side of the belt holder 2.
A timing pulley 12 is mounted on a rotating shaft of the motor.

In the vicinity of both ends of the apparatus main body 7, tension rollers 13 and 14 for rotatingly contacting the lower portion of the conveyor belt 1 and applying tension thereto when the belt holder 2 is mounted from above are rotatably provided. ing.

A metal detector 15 formed in a square shape is mounted on the upper center of the apparatus body 7. Then, in order to mount the belt holder 2 on which the conveyor belt 1 is mounted to the apparatus main body 7, first, as shown in FIG. 2, the belt holder 2 is moved from one end to the opening of the metal detection device 15. Then, the recess 9 of the belt holder is engaged with the projection 8 provided on the apparatus main body 7 (FIG. 3).

Next, the other end of the belt holder 2 is attached to the apparatus main body 7 in the same manner as described above, and then each of the three catch clips 10 is locked by the locking pieces. Will be fixed to.

Finally, when the timing belt 6 is stretched around the timing pulley 12 of the geared motor 10,
It is completed as a device.

In order to detach the conveyor belt 1 from the apparatus main body 7, the timing belt 6 is first removed from the timing pulley 12 of the geared motor 10, and then the three catch clips 10 are released, and the apparatus main body 7 is lifted. Then, it may be pulled out from the metal detection device 15.

[0012]

In the conventional apparatus as described above, the catch clip 10 has to be attached and detached in order to attach and detach the conveyor belt to and from the apparatus main body together with the belt holder. If the belt has to be cleaned frequently, this attaching / detaching operation must be repeated frequently, and the operation is complicated.

[0013]

According to the present invention, there is provided an apparatus main body provided with a motor, and a belt holder having rollers rotatably mounted on both ends and a transport belt stretched between the rollers. Fixing means for fixing the vicinity of both ends of the belt holder to the apparatus main body, and torque transmitting means for transmitting the torque of the motor to the roller, wherein the belt holder is attached to and detached from the apparatus main body. In the conveyor device which is mounted so that at least one of the fixing means is swingably mounted on the device main body, and is selectively biased to rotate bidirectionally by an elastic member, and an engagement recess is formed in at least a part of the periphery. A swing lever formed and attached to the belt holder, the swing lever is engaged with the engagement recess in a state of being deflected in one direction, and is disengaged from the engagement recess in a state of being biased in the other direction. obtain A coupling member and a rotatable cover surrounding the swing lever are provided. The cover has an opening through which an engaging member of the belt holder can pass, and the cover is biased to one side by rotation. When doing
Characterized in that it is configured to prevent swinging of the swinging lever engaged with the engaging member, and to allow swinging of the swinging lever when the swinging lever is biased to the other side. It is.

[0014]

[0015]

According to the present invention, the swing lever can be engaged with the engaging recess in a state where the swing lever is biased in one direction, and can be disengaged from the engaging recess in a state where the swing lever is biased in the other direction. As a result, the apparatus body and the belt holder come into contact with and separate from each other, and when the cover is rotationally biased to one side, the swing of the swing lever engaged with the engagement member is prevented, When the cover is rotationally biased to one side, stress is applied to the belt holder in the detaching direction because the swinging lever is allowed to swing when the other side is rotationally biased. However, the swing lever does not swing, and the belt holder does not separate from the apparatus main body. Further, the swing lever is not exposed to the outside.

[0016]

[0017]

5 to 8 show the essential parts of an embodiment of the present invention. The same parts as those of the conventional apparatus are denoted by the same reference numerals, and FIGS. 1 to 4 are referred to for the overall structure of the apparatus. I do.

In this embodiment, the main body of the apparatus is constituted by a frame 16 extending in the horizontal direction and supports 17 and 18 (FIGS. 5 and 6) mounted and fixed near both ends thereof. The geared motor 11 is mounted on the support 17 on the driving side so as to be slightly movable in the horizontal direction.

A notch 19 into which the belt holder 2 is fitted is cut out at an upper end of the support 17 on the driving side, and a rotary shaft 20 is rotatably mounted on a side of the notch 19. A swing lever 21 is fixed to the rotating shaft 20.

A U-shaped engaging concave portion 22 is formed on one side of the swing lever 21 and a positioning concave portion 23 is formed on the other side. Engagement pin 2
4 have been planted. The spring engaging pin 2 is also provided on the support base 17 side.
5 is implanted, and an over-center spring 26 is stretched between both spring engagement pins 24 and 25.

A positioning pin 27 is implanted in a portion of the support 17 corresponding to the positioning recess 23.

The swing lever 2 of the belt holder 2
A columnar engaging member 28 capable of engaging with the engaging recess 22 is fixed to a portion corresponding to the first engaging recess 22.

Further, the swinging lever 2 is
A cylindrical cover 34 with a closed bottom on the front side in the figure is rotatably provided so as to surround the cover 1, and the cover 34 has an opening 29 through which the engaging member 28 of the belt holder 2 can pass.
When the cover 34 is biased to rotate counterclockwise as shown in FIG. 5, the swing lever 21 engaged with the engaging member 28 rotates clockwise. It is configured to block.

An opening 30 is formed in the side wall of the support 17. The swing lever 21 and the engagement member 28 are provided in pairs on both sides of the driving side of the belt holder 2.

Further, at the upper end of the support base 17 on the driven side,
A recess 31 whose end is inclined downward is cut down, and a support member 32 that can be engaged with the recess is provided at a portion of the belt holder 2 corresponding to the recess 31. A recess cut leftward from the right end in FIG. 6 is formed in the support base 17 on the driven side, and the support member 32 is formed in the recess.
May be configured to be introduced and engaged from the right direction (outside).

Reference numeral 33 denotes an opening formed on the side wall of the support base 18. The recess 31 and the support member 32 are provided in pairs on both sides of the belt holder 2 on the driving side.

When the belt holder 2 is detached from the apparatus main body (supports 17, 18 and frame 16), first, as shown in FIG. 7, a fixing screw (not shown) for the geared motor 11 is used. Is loosened and slightly moved to the left, the timing belt 6 is removed from the timing pulley 12 of the geared motor 11, and the cover 34 provided on the support 17 is rotated clockwise.

Then, since the opening 29 of the cover 34 faces obliquely upward, the clockwise rotation of the swing lever 21 is allowed. In this state, when the driving roller 3 is lifted together with the transport belt 1, the swing lever 21 rotates clockwise and the engagement with the engagement member 28 is released.

Therefore, when the belt holder 2 is pulled toward the user in this state, the driven support member 32 is pulled out of the recess 31 of the support base 18 and is separated.

To mount the belt holder 2, first, the driven-side support member 32 is inserted into the recess 31 of the support base 18, and then the driving-side roller 3 is hung down together with the conveyor belt 1. The engaging member 28 of the holder 2 is engaged with the engaging recess 22 of the swing lever 21 and the swing lever 21 is rotated counterclockwise to fix the belt holder 2 to the apparatus main body. become.

When the cover 34 is rotated counterclockwise, the swing lever 21 is locked.

Finally, the timing belt 6 wound on the side of the belt holder 2 is mounted on the timing pulley 12 of the geared motor 11, and the geared motor 11 is moved slightly rightward to When the geared motor 11 is fixed at a position where an appropriate tension is applied, the preparation is completed.

The center of the cover 34 and its rotation center are slightly displaced so that the cover 34 does not rotate clockwise even when the driving roller 3 is lifted while the swing lever 21 is locked. The cover 34 is configured to rotate about the eccentric position.

That is, as shown by the solid line in FIG.
4 is rotating clockwise, the cover 34
Is slightly displaced to the right to lock the swing lever 21 and prevent its rotation, but as shown by the two-dot chain line, the cover 34
Is rotated counterclockwise, the cover 34
Is slightly displaced to the left to release the lock of the swing lever 21 and allow its rotation.

In this apparatus, the driving side of the belt holder 2 is fixed by the swing lever 21 and the driven side is fixed by the recess 31. However, the driving side of the belt holder 2 is fixed by the recess 31.
And the driven side may be fixed by the swing lever 21.

Further, both the driving side and the driven side of the belt holder 2 may be fixed by the swing lever 21.

[0037]

According to the present invention, the swinging lever is released from the engagement with the engaging member only by lifting the roller together with the transport belt, the belt holder can be detached from the apparatus main body, and the roller can be transported. The swing lever is engaged with the engagement member only by pressing down with the belt, and the belt holder can be mounted on the apparatus main body.

Therefore, the belt holder can be very easily and quickly attached to and detached from the apparatus main body.

Further, since there is no need to operate the iron catch clip at the lower part of the conveyor, the operation is simplified.

Further, when the cover is biased in the negative direction, the swing of the swing lever engaged with the engagement member is prevented, and when the cover is biased in the other direction, the swing lever is swung. Since the swing of the lever is configured to be allowed, the cover also serves as a lock member of the swing lever, and the belt holder is inadvertently removed from the apparatus main body due to carelessness of an operator or the like. It does not leave.

Further, since the swing lever is not exposed to the outside, sufficient consideration is given to safety without impairing the appearance.

[Brief description of the drawings]

FIG. 1 is a perspective view of a belt holder of a conventional device.

FIG. 2 is a perspective view of a conventional apparatus in a state before a belt holder is mounted on an apparatus main body.

FIG. 3 is a perspective view of a conventional device in a state before a belt holder driving side is mounted on a device main body.

FIG. 4 is a perspective view of a conventional apparatus in a state where a belt holder is mounted on an apparatus main body.

FIG. 5 is a front view showing a main part on a driving side according to the embodiment of the present invention.

FIG. 6 is a front view showing a main part of a driven side according to the embodiment of the present invention.

FIG. 7 is a front view showing a main part of a driving side according to an embodiment of the present invention, which is different from FIG.

FIG. 8 is a front view showing a swing lever according to the embodiment of the present invention.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Conveying belt 2 Belt holder 3 Roller 4 Roller 5 Timing pulley 6 Timing belt 7 Main body 8 Projection 9 Depression 10 Catch clip 11 Geared motor 12 Timing pulley 13 Tension roller 14 Tension roller 15 Metal detector 16 Frame 17 Support base 18 Support base 19 Notch portion 20 Rotating shaft 21 Swing lever 22 Engagement concave portion 23 Positioning concave portion 24 Spring engaging pin 25 Spring engaging pin 26 Over center spring 27 Positioning pin 28 Engaging member 29 Opening 30 Opening 31 Concavity 32 Supporting member 33 Opening 34 Cover

Claims (1)

(57) [Claims] An apparatus body provided with a motor, a belt holder having rollers rotatably mounted at both ends thereof and a transport belt stretched between the rollers, and a vicinity of both ends of the belt holder. A conveyor device comprising: fixing means for fixing to the apparatus main body; and rotational force transmitting means for transmitting the rotational force of the motor to the roller, wherein the belt holder is detachably mounted to the apparatus main body. In at least one of the fixing means, a rocking lever that is rockably mounted on the apparatus main body, is selectively urged to rotate bidirectionally by an elastic member, and has an engagement recess formed in at least a part of its periphery. the mounted to the belt holding member, an engaging member capable of splitting off from the engagement recess in a state in which the swing lever is biased to engage the other direction with the engaging recess while biased in one direction, the rocking Moving lever And a rotatable cover surrounding the
The cover has an engaging member for the belt holder.
There is an opening that can pass through, and the cover is on one side
When the rotation is biased, the swinging engagement with the engagement member
When the lever is prevented from swinging and the other is rotationally biased,
A conveyor device configured to allow swinging of a swinging lever .