JP2533458Y2 - Sorting 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 sorting conveyor device for sorting an object to be conveyed (hereinafter referred to as "article") to a predetermined location and carrying it out.

[0002]

2. Description of the Related Art Conventionally, as this type of device, for example,
There is one disclosed in Japanese Utility Model Publication No. 2-8897. That is, as shown in FIG. 9, a pair of bases 4a and 4b are arranged at a predetermined interval in parallel in the transport direction of the article M (the direction of arrow A).
Endless chains 8a and 8b that are driven to rotate by a rotation drive mechanism 9 are stretched in the bases 4a and 4b. Both ends of a large number of guide rods 2 are held between the chains 8a and 8b, and the article transport plate 3 slides on the guide rods 2 in the width direction (arrow Y direction) perpendicular to the transport direction A. Supported as possible. Each of the article transport plates 3 is guided by a guide rail member (not shown) so that a projecting portion projecting from the lower surface thereof is positioned in the width direction Y. The transport lines a, b, and c indicated by imaginary lines are provided. It is configured such that either one is selected.

In the above configuration, the shape of the article M conveyed on the front conveyor 1 is recognized by the sensor S, and it is determined which of the rear conveyors 5, 6, and 7 is to be carried out. Now, when the article M is carried out to the subsequent conveyor 5, the article transport plate 3 is moved in the transport direction A together with the movement of the guide rod 2 based on the rotation of the chains 8a and 8b by the selection operation of the guide rail members. Then, the article M is transported in the width direction Y along the transport line a, and the article M is carried out to the subsequent conveyor 5. In addition,
When the article M is carried out to the rear conveyor 6 or 7, the article transport plate 3 is transferred along the transport line b or c, and the article M is sorted and carried out to predetermined rear conveyors 6 and 7.

[0004]

However, according to the sorting conveyor apparatus 100, the conveying lines a, b, and
Since c is selected by the displacement of the article transport plate 3 in the width direction Y, the apparatus requires a wide transport surface having a line width L1 and a length L2 corresponding to the transport lines a to c. The whole becomes larger. Further, when the type of articles M to be sorted increases after the installation of the apparatus 100, it is not possible to increase the number of subsequent conveyors 5 to 7 or more exceeding the line width L1 of the conveying surface, and for example, the additional Even if it is unnecessary and removed, the line width L1
Does not change, so that wasted space is occupied.

[0005]

In the sorting conveyor device of the present invention, a movable frame member is supported on a fixed frame member so as to advance and retreat, and a first swing frame member is supported on the movable frame member so as to be swingable. A drive sprocket rotatably supported by the fixed frame member while supporting the second swing frame member on the first swing frame member; and the second swing frame. An endless transport belt is hung over a driven sprocket rotatably supported by a member, and a telescopic drive mechanism for moving the movable frame member forward and backward, and a swing drive for swinging the first swing frame member A mechanism is provided on the fixed frame member, and a swing interlocking mechanism that swings the second swing frame member in conjunction with the swing drive mechanism is provided on the first swing frame member. And wherein the door.

On the other hand, the conveyor belt of the sorting conveyor device according to the second aspect of the present invention slides two adjacent conveyor pieces in the width direction of the conveyor belt via a connecting portion formed on each of them. It is characterized in that it is connected so as to be rotatable in the up and down direction about the connecting portion as an axis, and an escape groove is provided in each transport piece.

[0007]

According to the above-mentioned sorting conveyor device, the movable frame member is moved forward and backward with respect to the fixed frame member, and both swing frames are swung, so that the articles on the conveyor belt are carried out at predetermined locations. The carry-out position of the article can be appropriately changed within the range of movement of the movable frame member and the range of swing of both swing frame members. For example, if a plurality of rear-stage conveyors are arranged in front of the second swing frame member, and the carry-out position of the device is selected by the forward / backward movement of the movable frame member and the swing operation of both swing frame members, The articles conveyed by the conveyor belt can be carried out to any of the plurality of subsequent conveyors. Therefore, if the length of expansion and contraction of the movable frame member and the swing angle of both swing frame members are adjusted in accordance with the increase or decrease in the types of articles to be sorted, the subsequent conveyor can be appropriately increased or decreased, and wasteful space can be obtained. Is effectively used.

On the other hand, according to the transport belt of the present invention, each transport piece is slidably connected in the width direction and rotatably in the vertical direction, and one adjacent transport piece is connected. A release groove into which the other end is inserted is provided in the other transport piece when it is turned to one side, and each transport piece is rotatable with respect to each other. Therefore, it is possible to cope with a transport path that is bent both horizontally and vertically. . For this reason, since the conveyance path of the conveyance belt in the distribution conveyor device can be freely set, the size of the device can be further reduced.

[0009]

Embodiments of the present invention will be described below with reference to the drawings. FIG. 1 is a perspective view showing an example of a sorting conveyor device according to the present invention. A movable frame member 102 is mounted on a fixed frame member 101 so as to be able to advance and retreat in the directions of arrows A and B. The first swing frame member 103 and the second swing frame member 104 are attached to the first swing frame member 103 via the first and second joints 12 and 13, respectively. It is connected so that it can swing in the direction. Driving and driven sprockets (not shown), which will be described later, are provided on the fixed frame member 101, and driven sprockets (not shown) are provided on the distal end of the second swing frame member 104, as will be described later. , And an endless conveyance belt 14 is stretched between these sprockets.

As shown in FIG. 2, the fixed frame member 101 is provided with a rotary drive mechanism 82 for driving a drive sprocket 92. The drive mechanism 82 includes, for example, a pulley 53 provided on an output shaft of the drive motor 52. And a pulley 50 provided at one end of a rotating shaft 81 of the driving sprocket 92 with a belt 51 wound therearound.
That is, the rotation of the drive motor 52 is controlled by the pulley 5
0, 53 and the driving sprocket 9 via the belt 51
2 is transmitted.

The fixed frame member 101 is provided with a tension sprocket 93 and a driven sprocket 94, and the movable frame member 102 is provided with a guide sprocket 91.
However, a driven sprocket 90 is provided at a free end of the second swing frame member 104. The conveyor belt 14 is stretched around these sprockets 90 to 94 endlessly. The tension sprocket 93 is
The tension of the conveyor belt 14 is automatically adjusted by being supported by an automatic tension device (not shown).

The fixed frame member 101 is provided with a telescopic drive mechanism 83 for the movable frame member 102. As the drive mechanism 83, for example, the
A belt 32 is hung between a pulley 33 fixed to the output shaft of No. 4 and a pulley 31 fixed to the base end of a screw rod 30 rotatably supported on the fixed frame member 101 by a bearing member 29. Has been passed. A slide guide member 16 is fixed to both side walls of the fixed frame member 101. A slide member 17 is slidable in the slide grooves 16a in the directions of arrows A and B via bearings (not shown) at both ends. It is supported by. The movable frame member 102 is fixed to the slide member 17, and the screw rod 30 is screwed into a screw hole 28a of the movable element 28 fixed to the movable frame member 102. Accordingly, the rotation of the pulse motor 34 is transmitted to the pulleys 31, 33, the belt 32, and the screw rod 30, and the movable frame member 102 moves forward and backward in the directions of arrows A and B.

Further, the fixed frame member 101 is provided with a swing drive mechanism 84 for the first swing frame member 103. The drive mechanism 84 is fixed to, for example, the output shaft of the swing pulse motor 42. The connecting member 3 is provided between the pulley 43 and the first rotation shaft 37 of the first joint 12.
The belt 38 is endlessly stretched through an insertion hole (not shown) provided in the apparatus 5. The intermediate portion of the belt 38 is guided by guide pulleys 40 and 41 rotatably provided on the movable frame member 102. Thereby, the rotation of the pulse motor 42 is
The power is transmitted to the rotating shaft 37 via the pulleys 40, 41, 43 and the belt 38.

The first connecting member 35 is fixed to the movable frame member 102, and the connecting member 35 is connected to a first connected member 36 fixed to a base end of the first swing frame member 103. Both are rotatably connected by a rotating shaft 37 fitted and fixed to the first connected member 36. These constitute the first joint 12. A second connected member 44 is fixed to the first swing frame member 103, and the second connected member 44 is fixed to the base end of the second swing frame member 104. Both are rotatably connected to each other by a rotation shaft 48 fitted to the connection member 45 and fixed to the connected member 44. These form the second joint 13.

The swing driven mechanism 85 of the second swing frame member 104 is provided between the small diameter portion 35a of the first connection member 35 and the small diameter portion 45a of the second connection member 45, for example.
A belt 39 is looped endlessly through an insertion hole (not shown) provided in each of the connected portions 36 and 44, and a second swing frame member 103 swings in accordance with the swing of the first swing frame member 103 as described later. The swing frame member 104 is swung.

As shown in FIG. 3, the fixed frame member 101
, Guide pulleys 46 and 47 for guiding the belt 38 of the swing drive mechanism 84 are rotatably supported. The small diameter portion 35a formed on the first connection member 35 and the small diameter portion 45a formed on the second connection member 45 have flat surfaces, respectively, so that the belt 39 is prevented from slipping. .

FIG. 4 is a bottom view of the transporting pieces 20a and 20b constituting the transporting belt 14. A connecting portion 25a is integrally formed on the lower surface of the plate 21a of the transporting piece 20a. Are provided with a front connection hole 54a and a rear connection hole 55a. The pin 24 is inserted into the front connection hole 54a of the transport piece 20a and the rear connection hole 55b of the transport piece 20b, and the transport piece 20a and the transport piece 20b are connected. The inner diameter of the front connection hole 54a is
Is slightly smaller than the outer diameter of the pin 24, and the inner diameter of the rear connection hole 55b is set slightly larger than the outer diameter of the pin 24. , 20b are arrows C, D
Are connected so as to be slidable in the direction and rotatable about a pin 24 as an axis. The engagement holes 56 and 57 provided on the lower surface of the plate 21a are holes to which the teeth of the conveyor belt 14 engage when the conveyor belt 14 is hooked on a sprocket.

FIG. 5 is a view taken in the direction of the arrow I in FIG. 4, and the connecting portion 25b of the transport piece 20b projects downward from the plate 21b. FIG. 6 is a view in the direction of the arrow J in FIG.
An escape groove 58 is provided in the connecting portion 25a of Oa, and the rear end of the plate 21b of the transporting piece 20b is inserted when the transporting piece 20a rotates around the pin 24 in the direction of arrow F. Each of the transporting pieces 20 is formed by the escape groove 58.
When a and 20b rotate, they are prevented from interfering with each other and hindering the rotation of both.

As shown in FIG. 7, the movable frame member 102
A guide rail member 70 is fixed to the upper surface of the first swing frame member 103, and a front end portion thereof protrudes from the upper surface of the first swing frame member 103. A guide rail member 71 is fixed to the upper surface of the first swing frame member 103, and the connecting portions 25a and 25b of the transport pieces 20a and 20b of the transport belt 14 are sandwiched between the guide rail members 70 and 71, respectively. The conveyor belt 14
Is being guided. A connecting rod 72 is interposed between the guide rail members 70, 71. One end of the connecting rod 72 is loosely fitted into the fitting groove 75 of the guide rail member 70 by a pin 74, and the other end is rotatably supported by the guide rail member 71 by a pin 73. For example, when the first swing frame member 103 swings in the direction of arrow C as shown in the figure, the transporting pieces 20a and 20b are slid in the direction of arrow C by the connecting rod 72, and the transport belt 14 1 swing frame member 10
3 is guided in the longitudinal direction. The connecting rod 72 is provided on the upper and lower surfaces of the first and second joints 12 and 13 (FIG. 2), and guides the transport belt 14 in accordance with the swing of the swing frames 103 and 104. .

Next, the operation of the above configuration will be described. FIG.
When the drive motor 52 is driven, the drive sprocket 92 rotates, and the transport belt 14 is driven. Also,
When the telescopic pulse motor 34 is driven, the screw rod 30 rotates, and with the movement of the movable element 28 screwed into the screw rod 30,
The movable frame member 102 and the two swinging frame members 103 and 104 integrally move forward and backward with respect to the fixed frame member 101 during normal rotation, and retreat during reverse rotation.

On the other hand, the swing pulse motor 4 shown in FIG.
2 is driven, the rotation shaft 37 rotates, and this rotation shaft 37
The first swinging frame member 103 rotates, for example, in the direction of arrow C during normal rotation, and rotates in the direction of arrow D during reverse rotation, in accordance with the rotation of the first connected member 36 to which is fixed. Performs a swing operation. For example, the first swing frame member 10
When 3 rotates in the direction of arrow C, the first connecting member 35 is fixed to the fixed frame member 102, so that the first connecting member 35 and the second connecting member 45 The second connecting member 45 is rotated in the direction of arrow D. With this rotation, as shown by a chain line, the second swing frame member 104 is moved to the first swing frame member 10.
Performs a swinging operation in the opposite direction to 3. For this reason, the front end of the second swing frame member 104 always faces in the same direction regardless of the swing operation of the first swing frame member 103.

For example, as shown in FIG. 8, this sorting conveyor device 100 is installed in front of the front-stage conveyor 1, and
Rear conveyors 5, 6, and 7 are arranged in front of them. The shape of the article M on the front conveyor 1 is recognized by the sensor S, and the article M is conveyed from the front conveyor 1 onto the conveyor belt 14, and the conveyor belt 14 is driven to convey the article M in the direction of arrow A. At this time, based on the shape of the article M recognized by the sensor S, for example, when the article M is carried out to the rear-stage conveyor 5, the first swing frame member 103 is moved by the arrow D.
The second swing frame member 104 is moved in the direction of arrow C.
As a result, the swinging frame members 103 and 104 are displaced to positions 103a and 104a indicated by chain lines. Next, the movable frame member 102 and both swing frame members 103 and 104 are advanced by the length L3, and the front end of the second swing frame member 104 is displaced to the unloading position 104b to the rear conveyor 5, so that the article M is It is carried out to the latter conveyor 5 from the front end.

When the article M is carried out to the rear conveyor 7, the front end of the second swing frame member 104 is displaced to 104c by the same advancing / retreating operation and swinging operation as described above. Take out to 7.

As described above, according to the sorting conveyor device 100 of the present invention, a plurality of rear-stage conveyors 5 to 7 are arranged in front of the sorting conveyor device 100, and the unloading position of the device 100 is set to the movable frame. By selecting the movement of the member 102 and the movement of the swinging frame members 103 and 104, the article M conveyed by the conveyance belt 14 can be carried out to any of the plurality of subsequent conveyors 5-7. . Therefore, by adjusting the length of expansion and contraction of the movable frame member 102 and the swing angle of both swing frame members 103 and 104 in accordance with the increase and decrease of the types of the articles M to be sorted, the rear conveyors 5 to 7 can be appropriately increased or decreased. In addition, effective use of wasted space is achieved.

Further, for example, two post-stage conveyors 5,
The same sorting conveyor device 100 can cope with the case where the rear-stage conveyor 7 is added from the state where the conveyor 6 has been used. When the rear conveyor 7 is removed from the state where the three rear conveyors 5, 6, and 7 are used, if the range of the advance / retreat and swing operation is set up to the rear conveyor 6,
The device 100 does not occupy unnecessary space.

On the other hand, the conveying pieces 20a, 20a of the conveying belt 14
0b are slidably connected in the horizontal direction and rotatably in the vertical direction, and the conveying pieces 20a and 20b are provided with escape grooves 58 so as to be rotatable relative to each other.
As shown by, the transport surface side of the transport belt 14 can be wound around the guide sprocket 91. As a result, the transport path of the transport belt 14 can be freely set, and the apparatus 100 can be reduced in size.

[0027]

As described above, according to the distribution conveyor device of the present invention, a single device can cope with various distribution conditions and does not occupy an unnecessary installation space. Further, it is needless to say that this apparatus can also be used as an assembly conveyor apparatus for assembling articles carried out from a plurality of pre-stage conveyors into one post-stage conveyor by reversing the conveying direction of each conveyor.

[Brief description of the drawings]

FIG. 1 is a perspective view showing an example of a sorting conveyor device according to the present invention.

FIG. 2 is a side view showing a main part of the sorting conveyor device with a part cut away.

FIG. 3 is a plan view showing a main part of the distribution conveyor.

FIG. 4 is a bottom view of a transfer piece constituting a transfer belt of the sorting conveyor device.

FIG. 5 is a front view of the transport piece.

FIG. 6 is a side view of the conveyance piece.

FIG. 7 is an enlarged plan view showing a main part of the sorting conveyor device according to the present invention.

FIG. 8 is a plan view illustrating the operation of the sorting conveyor device.

FIG. 9 is a plan view of a conventional distribution conveyor device.

[Explanation of symbols]

 14 Conveying belt 20a, 20b Conveying pieces 25a, 25b Connecting portion 58 Escape groove 82 Rotation driving mechanism 83 Expansion / contraction driving mechanism 84 Oscillating driving mechanism 85 Oscillating driven mechanism 101 Fixed frame member 102 Movable frame member 103 First oscillating frame member 104 Second swing frame member

Claims (2)

(57) [Scope of request for utility model registration] 1. A fixed frame member, a movable frame member supported by the fixed frame member so as to be able to advance and retreat, a first swing frame member supported by the movable frame member to be swingable, and a first swing frame member. A second swing frame member swingably supported by the swing frame member, a driving sprocket rotatably supported by the fixed frame member and rotationally driven by a rotation drive mechanism; A driven sprocket rotatably supported by the swinging frame member, an endless transport belt stretched over the driving and driven sprockets, and expansion and contraction that is set on the fixed frame member and moves the movable frame member forward and backward. A drive mechanism and the first frame set on the fixed frame member and
A rocking drive mechanism for rocking the rocking frame member, and a rocking mechanism which is set to the first rocking frame member and rocks the second rocking frame member in conjunction with the rocking drive mechanism. And a movable interlocking mechanism, wherein the movable frame member is expanded and contracted, and both the swing frame members are swung, so that the object to be conveyed on the conveyor belt is carried out at a predetermined location. Sorting conveyor equipment. 2. A transport belt comprising a plurality of transport pieces connected in a transport direction, and two adjacent transport pieces sliding in a width direction of the transport belt via connecting portions formed respectively. Possible, and connected so as to be rotatable in the vertical direction about the connecting portion as an axis, and provided an escape groove in each transport piece, and when one transport piece turns to one, the other end is The sorting conveyor device according to claim 1, wherein the sorting conveyor device is configured to be inserted into a relief groove of the other transport piece.