JPH07237722A - Conveyor device - Google Patents

Abstract

PURPOSE:To obtain a conveyor device wherein a conveying belt can be easily attached to and detached from a device main body. CONSTITUTION:A conveyor device is composed of an oscillating lever 21 wherein a means for fixing a belt holding body 2 is attached to a device main body so as to be oscillated, it is selectively rotated and energized in both directions by an over center spring 26, and an engaging recessed part 22 is formed, and an engaging member 28 attached to the belt holding body 2, to be engaged with the engaging recessed part 22 in the state where the oscillating lever 21 is positioned in one way, and to be disengaged from the engaging recessed part 22 in the state the oscillating lever is positioned in the other way. A cover 34 for surrounding the lever may be attached to the oscillating lever 21.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a conveyor device in which a conveyor belt can be easily attached to and detached from a device body.

[0002]

2. Description of the Related Art Conventionally, in a conveyor device which conveys foodstuffs, particularly fresh seafood and meat, from the viewpoint of hygiene management, the conveyor belt is detached from the main body and washed frequently. There was a need to do.

[0003] As a conveyor device in which a conveyor belt can be attached to and detached from the main body of the apparatus, there are, for example, those shown in FIGS. 1 to 4.

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

In the vicinity of the rollers 3 and 4 of the belt holder 2, a recess 9 that engages with a protrusion 8 provided on the apparatus main body 7 shown in FIG. A locking piece (not shown) with which the clip 10 (FIG. 4) is locked 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 a portion of the apparatus main body 7 corresponding to the roller 3 on the driving side of the belt holder 2. The geared motor 11 is mounted on the geared motor 11.
The timing pulley 12 is attached to the rotating shaft of the.

Tension rollers 13 and 14 are rotatably provided in the vicinity of both ends of the apparatus main body 7 when the belt holder 2 is mounted from above so as to be in contact with the lower portion of the conveyor belt 1 to apply tension thereto. ing.

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

Then, 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 the catch clips 10 at the three locations are locked to the locking pieces, so that the belt holder 2 is fixed to the apparatus main body 7. Will be fixed to.

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

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

[0012]

In the conventional apparatus as described above, the catch clip 10 had to be attached / detached in order to attach / detach the conveyor belt together with the belt holder to / from the apparatus main body. When the belt has to be frequently washed, this attachment / detachment work has to be repeated frequently, and the work is complicated.

[0013]

A first main aspect of the present invention is to provide an apparatus main body equipped with a motor, rollers rotatably mounted on both ends of the apparatus main body, and a conveyor belt stretched between the rollers. A belt holder, fixing means for fixing the vicinity of both ends of the belt holder to the apparatus main body, and rotational force transmission means for transmitting the rotational force of the motor to the roller are provided, and the belt holder is the apparatus main body. In the conveyor device detachably attached to at least one of the fixing means, at least one fixing means is swingably attached to the apparatus main body, and is selectively biased by an elastic member to rotate in both directions to at least a part of the periphery. An oscillating lever having an engaging recess formed therein, and the oscillating lever mounted on the belt holder, engaged with the engaging recess when the oscillating lever is biased in one direction and engaged in the other direction From the recess And it is characterized in that it is constituted by the engagement may escaped member.

A second main invention is the same as the first main invention, further, a cover surrounding the swing lever is rotatably provided, and the engaging member of the belt holder can pass through the cover. When the opening is opened and the cover is rotationally biased to one side, the swinging lever engaged with the engaging member is prevented from swinging, and when the cover is rotationally biased to the other side, It is configured to allow the swing of the swing lever.

[0015]

In the first main aspect of the invention, the rocking lever can be engaged with the engaging concave portion in a state of being biased in one direction and can be disengaged from the engaging concave portion in a state of being biased in the other direction. By swinging the device, the device main body and the belt holder are brought into contact with and separated from each other.

In the second main invention, when the cover is rotationally biased to one side, the rocking lever engaged with the engaging member is prevented from rocking, and the cover is rotationally biased to the other. At this time, since it is configured to allow the swing of the swing lever,
When the cover is rotatably biased to one side, the swing lever does not swing even if stress is applied to the belt holder in the detaching direction, and the belt holder does not detach from the main body of the apparatus.
Further, the swing lever is not exposed to the outside.

[0017]

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

In the present embodiment, the main body of the apparatus is composed of a frame 16 extending in the horizontal direction and supporting stands 17 and 18 (FIGS. 5 and 6) mounted and fixed near both ends of the frame 16. 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 the upper end of the drive-side support stand 17, and a rotary shaft 20 is rotatably mounted on the side of the notch 19. A swing lever 21 is fixed to the rotary shaft 20.

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

Further, a positioning pin 27 is planted in a portion of the support base 17 corresponding to the positioning recess 23.

The swing lever 2 of the belt holder 2
A cylindrical engagement member 28 that can engage with the engagement recess 22 is fixed to a portion corresponding to the engagement recess 22 of No. 1.

Further, the rocking lever 2 is mounted on the support base 17.
1, a cylindrical cover 34 having a closed bottom whose front side is closed so as to surround 1 is rotatably provided, and an opening 29 through which the engaging member 28 of the belt holder 2 can pass is provided in the cover 34.
When the cover 34 is opened and the cover 34 is rotationally biased counterclockwise as shown in FIG. 5, the swing lever 21 engaged with the engaging member 28 is rotated clockwise. Is configured to block.

Reference numeral 30 is an opening formed in the side wall of the support base 17. The rocking lever 21 and the engaging member 28 are provided in pairs on both sides of the belt holder 2 on the driving side.

Further, at the upper end portion of the support side 17 on the driven side,
A recess 31 whose end portion is inclined downward is formed, and a support member 32 engageable with the recess is provided at a portion of the belt holder 2 corresponding to the recess 31. In addition, a recess cut in the leftward direction 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 is an opening formed in the side wall of the support base 18. Two pairs of the recess 31 and the support member 32 are provided on both sides of the belt holder 2 on the driving side.

When the belt holder 2 is detached from the main body of the apparatus (supports 17, 18 and frame 16), first, as shown in FIG. 7, a fixing screw for the geared motor 11 (not shown). Is loosened and moved slightly 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 is directed obliquely upward, the swing lever 21 is allowed to rotate in the clockwise direction. In that state, when the driving-side roller 3 is lifted together with the conveyor belt 1, the swing lever 21 is rotated clockwise to release the engagement relationship with the engagement member 28.

Therefore, when the belt holder 2 is pulled to the front side in this state, the support member 32 on the driven side is pulled out from the recess 31 of the support base 18 and separated.

In order 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 belt holder 2 is fixed to the main body of the apparatus by engaging the engaging member 28 of the holder 2 with the engaging recess 22 of the swing lever 21 and rotating the swing lever 21 counterclockwise. become.

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

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

The center of the cover 34 and its rotation center are slightly deviated so that the cover 34 does not rotate clockwise even when the roller 3 on the driving side 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 deviated to the right to lock the rocking lever 21 and prevent its rotation, but as shown by the two-dot chain line, the cover 34
Is rotating counterclockwise, the cover 34
Is slightly deviated to the left and unlocks the rocking lever 21 to allow its rotation.

In this apparatus, the driving side of the belt holder 2 is fixed by the rocking lever 21 and the driven side is fixed by the recess 31, but the driving side of the belt holder 2 is recessed 31.
Alternatively, 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 first main invention, the swing lever is disengaged from the engagement member by simply lifting the roller together with the conveyor belt, and the belt holder can be detached from the main body of the apparatus. Further, the swing lever is engaged with the engaging member only by pushing down the roller together with the conveyor belt, and the belt holder can be attached to the apparatus main body.

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

Further, since it is not necessary to operate the iron catch clip on the lower part of the conveyor, the work is simplified.

In the second main invention, when the cover is rotationally biased to one side, the rocking lever engaged with the engaging member is prevented from swinging, and the cover is rotationally biased to the other. At this time, since it is configured to allow the swing of the swing lever,
The cover also serves as a lock member of the swing lever, so that the belt holder is not inadvertently detached from the main body of the apparatus due to carelessness of an operator.

Further, since the rocking lever is not exposed to the outside, the external appearance is not spoiled and the safety is sufficiently taken into consideration.

[Brief description of drawings]

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

FIG. 2 is a perspective view of a conventional device before the belt holder is attached to the device body.

FIG. 3 is a perspective view of the conventional device before the belt holder driving side is attached to the device body.

FIG. 4 is a perspective view of a conventional device in which a belt holder is attached to the device body.

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

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

FIG. 7 is a front view showing the main part of the driving side of the embodiment of the present invention, in a state different from that of FIG.

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

[Explanation of symbols]

 1 Conveyor Belt 2 Belt Holder 3 Roller 4 Roller 5 Timing Pulley 6 Timing Belt 7 Device Main Body 8 Projection 9 Recess 10 Catch Clip 11 Geared Motor 12 Timing Pulley 13 Tension Roller 14 Tension Roller 15 Metal Detector 16 Frame 17 Support 18 Support base 19 Notch 20 Rotating shaft 21 Swing lever 22 Engagement recess 23 Positioning recess 24 Spring engaging pin 25 Spring engaging pin 26 Over center spring 27 Positioning pin 28 Engaging member 29 Opening 30 Opening 31 Recessing 32 Support member 33 Opening 34 Cover

Claims (7)

[Claims] 1. A device main body equipped with a motor, a belt holder on which rollers are rotatably mounted at both ends and a conveyor belt is stretched between the rollers, and the vicinity of both ends of the belt holder. A conveyor device in which fixing means for fixing to the apparatus main body and rotational force transmission means for transmitting the rotational force of the motor to the roller are provided, and the belt holder is detachably attached to the apparatus main body. In at least one of the fixing means, a swing lever is swingably attached to the apparatus main body, and is biased by an elastic member to selectively rotate in both directions, and an engaging recess is formed in at least a part of the periphery of the swing lever. An engaging member that is attached to the belt holder and that engages with the engaging recess when the swing lever is biased in one direction and can be disengaged from the engaging recess when biased in the other direction. Conveyor device characterized in that 2. The conveyor device according to claim 1, wherein the other fixing means is a recess provided in the main body of the apparatus and a support member provided in the belt holder and engageable with the recess. 3. The conveyor device according to claim 1, wherein the elastic member is an overcenter spring. 4. The motor is attached to the main body of the apparatus so as to be able to be displaced
The conveyor device according to any one of claims 1 to 3, wherein the connection state of the rotational force transmission means is released by displacing the motor to one side. 5. A cover surrounding a swing lever is rotatably provided, and an opening is formed in the cover through which an engaging member of a belt holder can pass, and the cover is rotatably biased to one side. When the swing lever is engaged with the engaging member, the swing lever is prevented from swinging, and when the swing lever is biased to the other side, the swing lever is allowed to swing. The conveyor device according to any one of claims 1 to 4. 6. The conveyor device according to claim 5, wherein the cover has an annular shape and rotates about an eccentric position. 7. The conveyor device according to claim 1, wherein the conveyor belt is inserted in the metal detection device.