JPH11240615A - Parts aligning and feeding device - Google Patents

Abstract

PROBLEM TO BE SOLVED: To select forward and backward postures of parts stored in large quantities in a rotary parts feeder, and to feed them to the following stage with high efficiency. SOLUTION: Parts (m) are transferred from a rotary parts feeder R to posture selecting belt conveyors 35, 36, and shades of the parts are picked up by means of a camera 37 and a light source 38 when they pass through a gap (s). Data on these shades are compared with the data on shades stored in a computer, and if both the data coincide, the parts are fed to the following stage as they are. Unless both the data coincide, the parts are transferred to a belt conveyor 300 by operation of an air jet nozzle 40 when the number of pulses generated by an encoder 6 from the point of the posture determination time reaches a first prescribed count, and then the parts on the belt conveyor 300 are trnasferred to a transfer path 1a of the rotary parts feeder R. On this occasion, forward and rearward postures of the parts are corrected. If an overflow detection device detects an overflow state and the postures of the parts are correct, the air jet nozzle 40 operates to jet front portions of the centers of gravity of the parts so that the parts are turned over by 180 deg. and transferred to the belt conveyor 300, when the number of pulses generated by the encoder 6 from the point of the posture judgement time by an image pickup device 37 reaches a second prescribed count.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a component feeding device.

[0002]

2. Description of the Related Art In a vibrating parts feeder, for example, a spiral part transfer path is formed on the inner peripheral wall of a bowl for receiving a large number of parts, and the parts are transferred along the transfer path by the torsional vibration of the bowl. In this process, the transfer attitude of the part is determined on the way, and based on this determination, the part that is not in the desired position by some part feeding means is moved outward from the transfer path, for example, by a bowl using compressed air. Blow it inward or correct it to the desired posture,
For example, it is widely known that the direction is changed by a turntable so as to change the direction by 180 degrees and the flow is guided to a downstream transfer path.

However, as a conventional device for judging the posture of a component, for example, a plurality of pairs of light-emitting elements and light-receiving elements are formed, and a small hole penetrating a transfer path is formed to allow light rays from each light-emitting element to pass through. A light receiving element is provided to receive the light from the light emitting element. Among them, a pair of the light emitting element and the light receiving element are used for so-called synchronization, and when the light is blocked, the posture is determined. It is determined that the tip of the part to be reached has reached the detection position, and at this time, in the computer, it is determined whether or not the light from the light emitting element corresponding to which light receiving element in the other pair of light emitting elements and light receiving elements has reached, As a result, when the part is not in the predetermined posture as compared with the predetermined posture, the part is blown into the bowl by the downstream part regulating means, for example, the air blowing means. Alternatively, when it is determined that the front-rear direction is opposite, the posture is corrected to a correct posture by the component reversing means and supplied to the downstream side.

There is no problem if the components stored in the bowl are fixed components. However, if the above-described operation is to be performed on components having other shapes, the attitude of the components is determined. The arrangement of a plurality of pairs of light emitting elements and light receiving elements must be changed in order to determine the attitude. Alternatively, the number must be changed. Recently, since the components to be conveyed have become very small like electronic components, the work of arranging these light emitting elements and light receiving elements is very troublesome. Further, as the size of the component becomes smaller, a through hole must be formed in the transfer path so as to allow light from the light emitting element to pass therethrough.

The present applicant has been made in view of the above-described problems, and can immediately and immediately cope with a change in the shape of a component, and can correctly position a component in any shape or any small component. For the purpose of providing a parts feeding device capable of determining the position of the first rotating body, a first rotating body having a substantially cylindrical shape, and the uppermost portion of the first rotating body in the first rotating body,
A disc-shaped second rotator disposed obliquely so as to substantially coincide with a level of an upper edge portion of the rotator; and a first rotator along the upper end surface of the first rotator. At least one concentrically disposed cylindrical side wall forming member, and posture determining means for determining the posture of a component transferred on a circular component transfer path formed by the upper end surface of the first rotating body and the side wall forming member. And a component removing means for removing the component onto the second rotating body based on the determination result of the attitude determining means, wherein the first rotating body and the second rotating body independently rotate in the same direction. Moving the component housed on the second rotating body toward the component transfer path by centrifugal force caused by the rotation of the two rotating body,
The component is conveyed along the side wall forming member on the component transfer path, and the posture determining means includes an opening formed in the side wall forming member, a light source disposed on one side of the opening, Japanese Patent Application No. 4-179139 proposes a component arranging device comprising an image pickup device disposed on the other side opposite to the light source.

With the above-described apparatus, the posture of the component conveyed along the predetermined transfer path by the rotation of the first rotating body is detected at a posture detection position, that is, when the position reaches a position facing an imaging device, for example, a CCD camera. Is done. This imaging result is compared with a desired posture in the computer, and when the two do not coincide with each other, the image is rejected onto the second rotator by the component elimination means on the downstream side. Since the data is sent in the manner described above, it is possible to easily store and input this posture to the computer regardless of the shape of the component. However, since the image can be magnified and imaged, it can be applied to a wider range of components than before.

However, as the parts handled by the above-described apparatus, for example, a long part m as shown in FIG. 1 is often handled, and such a part m is removed from the disk of the second rotating body by centrifugal force. The component is transferred onto a component transfer path formed on the upper surface of one rotating body, and is transferred by the rotation of the first rotating body. At this time, a correction force for turning the longitudinal direction of the rotating body in the transfer direction is applied to the downstream side. Heading. In the above device,
In this process, it is determined whether or not the posture is correct in the front-rear direction, and the component in the rearward posture is returned to the top of the second rotating body by, for example, an air blowing unit.
Therefore, a component having a correct posture in the front-rear direction is almost 2 parts.
Although it can be supplied to the next step with a 1 in 1 probability, higher supply efficiency is required.

In view of the above-mentioned problems, the present applicant has applied a component feeder disclosed in the above-mentioned apparatus, that is, a so-called rotary parts feeder R, and supplied a component to a next process in a correct posture in the front-rear direction. For the purpose of applying a component supply device capable of greatly improving the efficiency of the first rotating body, a first rotating body having a substantially cylindrical shape, and the uppermost portion of the first rotating body is provided above the first rotating body. A disk-shaped second rotator, which is inclined and substantially coincides with the level of the edge, and is disposed along the upper end surface of the first rotator and concentrically with the first rotator. And a circular component transfer path formed by the upper end surface of the first rotating body and the side wall forming member. The first rotating body and the second rotating body are independent of each other. And rotates in the same direction and is accommodated on the second rotating body. A component supply device configured to move by the centrifugal force generated by the rotation of the two rotating bodies toward the component transfer path and to convey the component along the side wall forming member on the component transfer path; and A pair of belt conveyors disposed in connection with the discharge end of the component transfer path, a pair of belt conveyors and a licensor imaging device disposed on the opposite side in alignment with the gap, and a light source; A component orientation sorting device, which is provided downstream of the licensor imaging device and has a component elimination means for eliminating components that are not in a predetermined orientation to one side in the transport direction of the belt conveyor. In the apparatus, a component transfer means is disposed in parallel with or perpendicular to the one side of the pair of belt conveyors, and a component which is not in a predetermined position and which has been eliminated by the component elimination means is left as it is. Proposed a component Seioku device being characterized in that so as to be transferred from the component transfer unit in the correct orientation relates longitudinal orientation of the component to the component transfer path of the component feeding device is received by said component transfer means energized.

With the above-described apparatus, it is possible to improve the efficiency of the parts to be supplied to the next process in the correct posture. However, there are the following problems.

That is, in the above-mentioned apparatus, an overflow detection device is provided on the downstream side, and components having a correct posture are transferred, for example, in a state of being substantially in contact with each other. When doing so, the posture may be disturbed by the pressure of each other, or it may jump out, so that air is ejected from here on the upstream side, for example, by an air ejection device as is known, and in the above device, In this case, the parts are blown off onto the parts transfer means arranged on one side of the belt conveyor device. In this case, the parts having the correct posture are blown off in almost the same posture. When supplied from the discharge end of the device, it is supplied to the belt conveyor device in the opposite posture, and this is directly supplied to the belt conveyor device. It will be re-transferred to the component transfer unit of one side of the device. Therefore, when the overflow state is released in a short time, a large amount of components in an incorrect posture are supplied to the belt conveyor device, and the efficiency of supplying components to the next process is reduced.

[0011]

SUMMARY OF THE INVENTION The present invention has been made in view of the above-mentioned problems, and provides a parts feeding device capable of further increasing the supply efficiency of parts to be supplied to a next process by setting the posture to a correct posture with respect to the front and rear posture. The task is to

[0012]

An object of the present invention is to provide a first rotating body having a substantially cylindrical shape, and the uppermost portion of the first rotating body substantially coincides with the level of the upper edge of the first rotating body. And a cylindrical side wall formed along the upper end surface of the first rotator and concentrically with the first rotator. Member, the upper end surface of the first rotating body and the side wall forming member form a circular component transfer path, the first rotating body and the second rotating body independently rotate in the same direction, The components accommodated on the second rotating body are moved toward the component transfer path by centrifugal force due to the rotation of the two rotators, and the components are conveyed along the side wall forming member on the component transfer path. And the component supply device and the discharge end of the component transfer path of the component supply device. And Rutokonbeya device, an imaging device disposed on opposite sides of the belt conveyor device, a light source and, by the imaging device is disposed downstream of the imaging device
An air ejection device for removing a component determined to be in a rearward position to one side with respect to a transport direction of the belt conveyor device, and an overflow detection unit for a component provided downstream of the belt conveyor device. And a belt conveyor device parallel to the one side of the belt conveyor device.
A component transferring means for transferring the component in a direction opposite to the installation direction, and receiving the component in the backward position eliminated by the air ejection device in the same posture as the component transferring device, and transferring the component in the component supply device. In a component feeding device configured to be transferred from the component transfer means while maintaining a forward posture on a road, an encoder is connected to one of a plurality of rollers around which a belt of the belt conveyor device is wound, and at least the When a computer that receives an imaging signal of an imaging device, an output of the encoder, and a detection signal of the overflow detection unit determines that the camera is in a forward orientation based on the imaging signal, and the overflow detection unit
Without driving the air injection device when not detecting the overflow of the goods, as it is advanced to the downstream side of the component, when it is determined that the backward posture, the output pulse of said encoder part by the imaging signal When counting from the time of the attitude determination and reaching the first predetermined number of pulses, the air ejection device is driven to blow the component in the backward attitude toward the component transfer means in the same attitude, and the overflow is performed. The detection device has detected an overflow and the computer is pointing forward
When as a posture are determined, when the output pulses of the encoder reaches the second predetermined number of pulses counted from the time of the part of the attitude determination by the imaging signal,
Wherein by driving the air injection device, approximately 180 degrees to invert the parts forward orientation by blowing of the injected air, before
The problem is solved by a parts feeding device characterized in that the parts are transferred to the part transfer means.

A component supply device for transferring components on a component transfer path provided in a bowl, a component transfer device installed at a discharge end of the component supply device for supplying components to a next process, Component attitude determining means for determining the front-rear attitude of a component provided at a predetermined position of the transporting device; and component removing means provided downstream of the component attitude determining means for removing the component to one side of the component transporting device. And a component transfer device that is installed parallel to the one side of the component transport device and transfers the component to the component transfer path. In the component feeding device that transfers a component to the component transfer path in a predetermined front-rear posture by eliminating the component in the transfer device, a component overflow detection unit and a component posture inversion elimination unit are provided at a predetermined location of the component transport device. When the overflow detecting means detects the overflow of the component and the component attitude determining means determines that the front-rear attitude of the component is in a predetermined direction, the component attitude reversing elimination means detects the front-rear direction of the component. After reversing the orientation, the component is removed by the component transfer device, and when the component orientation determination unit determines that the front-rear orientation of the component is not in the predetermined direction, the component rejection unit is driven, and the component is removed in the same orientation. Eliminate to parts transfer device ,
The overflow detecting means detects a component overflow.
No component is detected, and the component attitude determination means is
Is determined to be in the predetermined direction, the component ejection is performed.
Without driving the removing means, it proceeds to the downstream side as it is,
If the component posture determination means determines that the front / rear posture of the component is not in a predetermined direction,
When it is determined, the component elimination unit is driven to
The present invention solves the above problem by a component feeding device characterized in that the component is removed to the component transport device in the same posture .

With the above arrangement, when a part having an incorrect posture is imaged in the front and rear posture by the posture discriminating means or the imaging device on the belt conveyor device, or when the posture is judged, the counting is started from the posture judgment time of the computer. When the first predetermined number of pulses is counted, the part is transferred to the side part transfer means in the same posture by operating the part elimination means or the air ejection means, and is again returned from the upstream part supply device. When supplied to the belt conveyor device, it is supplied in the correct posture. Therefore, at that time, the components are supplied to the next step without driving the component removing means or the air ejection device. In addition, if the posture is correct, the robot proceeds directly to the downstream side without operating the component elimination means or the air ejection device, but the overflow state is now detected by the overflow detection device on the downstream side, and imaging is performed. When the computer determines that the posture is correct by the device or the posture determination means, counts from the determination time of the posture, and when the pulse from the encoder reaches a second predetermined number of pulses, activates the component elimination means or the air ejection means, The component in the correct posture is inverted by 180 degrees and transferred to the component transfer means, and is therefore supplied from the upstream component supply device to the belt conveyor device in the correct posture. Therefore, if the overflow state has been released so far, it is possible to proceed as it is and supply components to the next process in a more efficient and correct posture than before.

[0015]

BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 is a perspective view showing a part feeding device according to an embodiment of the present invention.

FIG. 1 and FIG. 2 show the whole of the parts feeding device according to the present embodiment. In the drawings, in a rotary parts feeder R, an uppermost portion 8a is provided in a substantially cylindrical bowl 1 in the same. Is provided with a horizontal flange portion 1a integrally formed on the upper edge portion of the bowl 1 and a disk 8 which is disposed so as to be substantially at the same level as the horizontal flange portion 1a. The fixed rotating shaft 9 extends downward through a central opening 1 b formed in the bottom of the bowl 1, and is connected to a motor 13 by a coupling 12. The rotating shaft 9 is rotatably supported by a longitudinal bearing member 10 fixed to the stationary portion 11.

A pulley 2 is integrally fixed to a bottom wall of the bowl 1 via a bearing B. A belt 3 is wound around a groove formed on the periphery of the pulley 2, and the belt 3 is wound around a motor pulley 4. Have been. The rotating shaft 5 integrally fixed to the motor pulley 4 is integrated with the rotating shaft of the motor 6.
An arc-shaped side wall forming member 14 is fixed to the stationary portion 7 by bolts and nuts 15 along the outer edge of the flange portion 1a of the bowl 1 and with a gap. The bowl 1 is rotated in the direction of the arrow shown in FIG. 1 by a motor 6 via pulleys 2 and 4 and a belt 3. The disc 8 is rotated in the same direction by the motor 13 via the coupling 12, but the rotation speed is higher than that of the bowl 1. Also, the flange portion 1a
Is formed horizontally, and an alignment belt conveyor device 33 is also horizontally arranged to extend in the tangential direction.

Further, a wire 29 is attached to the inner edge of the flange portion 1a of the bowl 1 so that the part m can be placed on the flange portion 1a while restricting its movement in the width direction while lying down. Is conveyed in this rotation direction with the rotation of.

Next, the component posture selecting section 30 according to the present invention.
Will be described. As shown in FIG. 1, the component transfer path 1a of the rotary parts feeder R rotates at a high speed in the direction of the arrow, but extends straight in the direction of the arrow to form a discharge port. 28 is fixed to the end of the circular side wall forming plate 29 by bolts 31 and nuts 32. As shown in FIG. 1, the parts m are transferred one by one in the longitudinal direction in the transfer direction to the alignment conveyor 33. Is done. This is a normal belt conveyor having side walls 33a and 33b on both sides thereof, which are transferred to a pair of selection belt conveyors 35 and 36 constituting a component posture selection unit main body. Since these sorting belt conveyors 35 and 36 have the same configuration, only the sorting belt conveyor 35 on the upstream side will be described, and portions corresponding to these components will be indicated by dashes on the other sorting belt conveyor 36. Also, the sorting belt conveyors 35, 36
A slit S is provided therebetween, and a line sensor CCD camera 37 and a light source 38 are provided in alignment with the slit S. An air ejection nozzle 40 is provided near the downstream end of the downstream sorting belt conveyor 36, and is connected to a solenoid valve (not shown) via a tube. An electromagnetic valve is opened by a control output of a computer (not shown) that receives an imaging signal of the CCD camera 37, and air is ejected from the air ejection nozzle 40. The sheet is transferred onto the belt conveyor 30 on the side. On the downstream side of the downstream sorting belt conveyor 36, a belt conveyor 41 for supplying the next process is further provided with a gap, and this is also an upstream aligned belt conveyor 33.
Similarly to the above, the side walls 41a and 41b are provided with a gap therebetween, so that a predetermined posture is reliably held and supplied to the next process.

The upstream sorting belt conveyor 35 has three rollers 42, 43, and 44 disposed at the vertices of an isosceles triangle, of which the lower roller 43 is a driving roller. A timing belt 46 is wound between a pulley attached to one end of the roller and a driven roller 43 ′ of the downstream-side sorting belt conveyor 36. The drive roller 43 is driven by a motor (not shown). It is driven at a rotational speed of. The downstream sorting belt conveyor also has three rollers 42 ', 43', and 44 'arranged in the same manner as the upstream sorting belt conveyor 35, and the lower roller 43' is driven by the driving roller as described above. By driving the motor 43 at a predetermined speed, the motor 43 is rotated at the same predetermined driving speed in the same direction via the timing belt 46. Therefore, these rollers 42, 43, 44, 42 ', 4
Belts 45, 4 wound around 3 ', 44', respectively
The upper traveling portion 5 'is driven at the same traveling speed, and a gap S is formed between them.
Here, the part m is transported at a predetermined speed. At this time,
The line sensor CCD camera 37 captures an image of the shadow of the component m that receives light from the light source 38, and supplies the captured image signal to a computer (not shown) to determine its attitude.

As shown in FIG. 2, a belt conveyor 300 is disposed on one side of the pair of sorting belt conveyors 35 and 36. The belt conveyor 300 includes a driving roller 48 and a driven roller 49. The belt is wound around. A pressure feeder 51 is provided near the discharge end of the belt conveyor 300 to forcibly pneumatically feed air. Immediately after the part m passes through the feeder 51, an arc-shaped transfer chute 5 as shown in FIG.
2 and is quickly driven in a predetermined direction by receiving the jet air from the pump 51 and passing through a notch 14a provided in the side wall forming member 14 of the rotary parts feeder R without changing its posture in the front-rear direction. , And is configured to be transferred onto the flange portion 1a of the bowl 1. This portion is located clockwise from the upper end 8a of the disk 8. That is, since it is on the upstream side in the transport direction of the transfer path 1a, it does not interfere with the component m rising from the disk 8 by centrifugal force.

Further, according to the present invention, the belt conveyor 300 as a component transferring means is provided on the side of one of the belt conveyors 36. Further, the hanging film 11 made of rubber is provided on the side of the belt conveyor 300. The air ejection nozzle 40 described above is disposed opposite to the air ejection nozzle. Furthermore,
The encoder 6 is coaxially coupled to the roller 44 'of the belt conveyor 36, and the output pulse is supplied to a controller 93 in the computer shown in FIG. Furthermore,
An overflow detection device including a light source E and a light receiving element H is provided near the upstream end of the downstream belt conveyor 41, and the side walls 41a, 41 of the belt conveyor 41 are provided.
The light receiving element H receives the light beam from the light source E through the small hole formed in the part b, and the detection signal is supplied to the controller 93 in the computer via the lead V. Is detected, it is determined that an overflow has occurred.

Next, with reference to FIG.
More specifically, the air jet nozzle 40 is provided on one side of the belt 45 'of the belt conveyor 36 as described above, and air is jetted from the nozzle 40a. However, this is connected to a compressed air source 92 via an electromagnetic valve 90, and the solenoid valve 90 is opened by receiving a drive signal from a controller 93 by its solenoid 91.

Further, as described above, the controller 93 in the computer is supplied with the image pickup signal from the image pickup device 37 and judges whether or not the front and rear postures are correct by comparing the components with the correct posture stored therein. However, when it is determined that the posture is not correct, that is, when it is determined that the posture is backward, when the pulse number of the encoder 6 reaches the first predetermined pulse number, the solenoid is operated. When the solenoid 91 is excited to open the solenoid valve 90 and the center of gravity G of the incorrectly positioned component m passing in front of the nozzle 40a is directly opposed to the nozzle port 40a, the component is sprayed on the side belt conveyor 300. Like that. When an overflow is detected by the overflow detection device (consisting of E and H), when the imaging device 37 determines that the component is in the correct posture, that is, when it determines that the component is in the forward-facing posture, The air ejection device 40 is driven when the pulse number of the encoder 6 reaches the second pulse number by counting at the judgment time. At this time, as shown in FIG. A portion a at a predetermined distance ahead is sprayed when facing the nozzle port 40a.

The component feeding device according to the embodiment of the present invention is configured as described above. Next, this operation will be described.

In FIG. 2, when the motor 13 is driven,
The rotating disk 8 rotates at a high speed in the direction indicated by the arrow in FIG. 1, and the bowl 1 disposed concentrically outward is also driven by the motor 6 in the same direction, but at a lower speed, also indicated by the arrow. Rotate in the direction. Although shown only intermittently for the sake of simplicity, a large number of parts m to be fed are stored on the disk 8. The high-speed rotation of the rotating disk 8 causes the disk 8 to be propelled radially outward by centrifugal force.
a to the flange 1a of the bowl 1. Although the flange portion 1a functions as a transfer path, it is rotating at a low speed but in the same direction, so that the component m placed thereon is a component transfer path formed by the wire 29 and the side wall forming member 14. Are conveyed in a line with the rotation of the bowl 1 with the longitudinal direction thereof directed in the transfer direction. While being guided by the linear side wall forming member 28, the part m is transferred onto the single-piece alignment belt conveyor 33. Here, the part m is transferred to the downstream side while maintaining the transferred posture, and is transferred to the part posture selection unit 30. It is transported on the upstream sorting belt conveyor 35 and is transported on the gap S formed between it and the downstream sorting belt conveyor 36. At this time, as is known by the line sensor CCD camera 37, as is known. Since the shadow is supplied to the computer in the controller as an imaging signal, and the shadow of the part having the correct posture, that is, the part in the forward posture is stored therein,
If they match with each other, the belt 45 'of the downstream sorting belt conveyor 36 is transferred as it is, transferred to the belt conveyor 41, and supplied to the next step.

Next, when a component m having a different posture in the front-rear direction passes through the gap S, its shadow is also imaged. However, this does not coincide with the shadow stored in the computer. When the output pulse of the encoder 6 reaches the first predetermined pulse counting from the discrimination time,
The solenoid valve connected to the air ejection nozzle 40 is opened, and air is ejected from the valve. As shown in FIG. 4, when the center of gravity G passes immediately before the nozzle port 40a, air is ejected from the air ejection nozzle 40, and the air is reliably ejected onto the belt 50 of the side belt conveyor 300 in the longitudinal direction. Is transferred without changing the attitude of the camera toward the transfer direction. As shown in FIG. 2, the belt conveyor 300 travels upward and inclines. However, the belt conveyor 300 is transported upward, and immediately after passing through the pump 51, receives an air jet output directed in a predetermined direction, and The sheet is transferred onto the transfer path 1a through the notch 14a formed in the side wall forming member 14 of the feeder R. At this time, the stopper 60 is fixed to the upper stationary part, as shown by the dashed line in FIG. 1, opposite to the notch 14a, and surely rides on the transfer path 1a. They are transported while maintaining their posture. That is, this time, on the alignment belt conveyor 33, it is transferred to this in a correct posture in the front-rear direction,
Therefore, since the component posture selecting section 30 has the correct posture, the part passes through the side of the air ejection nozzle 40 as it is and is transferred to the belt conveyor 41.

Since the above operation is performed, the posture of the component is determined in the conventional rotary parts feeder R,
In addition, the supply efficiency of the components in the correct posture to be supplied to the next process can be greatly improved, compared to the case where the components are removed on the disk 8 by the air ejection nozzle immediately after this.

Next, the case where the components have reached the overflow state on the conveyor 41 will be described. That is, when an overflow detection device (consisting of E and H) detects a component overflow, the overflow detection signal is supplied to a controller 93 in the computer. As described above, when a component not in a predetermined posture comes in front of the air blowing device 40 by the imaging device 37, air is blown out when the encoder 6 counts the first predetermined number of pulses from the time of posture determination. 4 is blown off onto the adjacent belt conveyor 300 in the same posture as shown in FIG.
When the image has been picked up by the computer, the air ejection means 40 is driven when the number of pulses of the encoder 6 reaches a second predetermined number of pulses counted from the time of this determination by the computer. As a result, as shown in FIG. 5, air is ejected from the nozzle port 44a to a portion a in front of the center of gravity G of the part m, and rotates around the center of gravity G as shown by the arrow Q. As described above, even when the rotating shaft is rotated, the rubber film collides with the rubber dripping film 11 and further rotating is suppressed, and is transferred on the belt conveyor 300 in a posture shown by a dashed line. Is transferred to the rotary parts feeder R in a desired posture. As long as the overflow state continues, the parts in the correct posture and the parts in the wrong posture are transferred onto the belt conveyor 300 as described above, so that the overflow state will be eventually released downstream. The parts in the posture are turned 180 degrees and transferred onto the belt conveyor 300,
When it is supplied to the component posture selection device 30, it is also supplied in the correct posture. Therefore, at the time of overflow cancellation, it is possible to supply components having the correct posture to the next process with higher supply efficiency.

Although the embodiments of the present invention have been described above, the present invention is, of course, not limited thereto, and various modifications can be made based on the technical concept of the present invention.

For example, in the above-described embodiment, the T-shaped part m has been described as the part whose posture is to be selected. However, the present invention is not limited to this. Can be applied to all components having different postures.

In the above embodiment, the gap S is provided between the pair of posture selecting belt conveyors 35 and 36, and the line sensor image pickup device 37 and the light source 38 are arranged in alignment with the gap S. The posture of the part m passing over the gap S is determined.
Instead of 5 and 36, a normal single belt conveyor is provided, and an area sensor (a line sensor captures a part of a shadow that changes sequentially with a slit-like light beam passing through the slit) on both sides in the transport direction. On the other hand, the area sensor captures the shadow of the entire part at once using a two-dimensional light beam.) A CCD camera and a light source are disposed in opposition to the CCD camera, and a part of the part conveyed on the belt conveyor. The shadow is imaged by a CCD camera for an area sensor, the image signal is received by a computer,
It may be determined whether the posture is correct in the front-back direction.

In the above-described embodiment, when the output pulse of the encoder 6 reaches the first predetermined number of pulses and the second predetermined number of pulses in the computer, the air ejection nozzle 40 is operated under the respective conditions. Although the driving is performed, the first and second predetermined pulse numbers may be freely adjustable in the computer according to the shape of the component.

In the above-described embodiment, the part having the correct posture in the front-rear direction blows the part a with the air jetted from the nozzle 40a at the time of overflow. Air may be blown when the position of the part b of the other handle reaches just before the nozzle port 40a.

In the above embodiment, the belt conveyor 300 is used as the component transferring means, but a vibrating conveyor or a vibrating feeder may be used instead.

In the above embodiment, the rubber film 11 is hung on the side of the belt conveyor 300. However, depending on the case, the rubber film 11 may be omitted depending on the shape of the part even if it is omitted.
A 0 degree turn is possible. Alternatively, when the vibrating conveyor or the vibrating feeder is used as described above, the height of one side wall (the side opposite to the belt conveyor device 47) is increased, and the height of the side wall is blown off by the air ejection nozzle 40. The excessive rotational moment of the component may be suppressed.

[0037]

As described above, according to the parts feeding apparatus of the present invention, the parts in the rotary parts feeder R, which are stored in large quantities, are always kept in a correct posture in the front-rear direction with high supply efficiency. Can be supplied to

[Brief description of the drawings]

FIG. 1 is a plan view of a parts feeding device according to an embodiment of the present invention.

FIG. 2 is a partially broken front view of the same.

FIG. 3 is an enlarged plan view of the main part.

FIG. 4 is an enlarged plan view for explaining the operation of the essential part.

FIG. 5 is an enlarged plan view for explaining the operation of the essential part.

[Explanation of symbols]

 1a Parts transfer path 6 Encoder 30 Parts posture selection section 35 Posture selection belt conveyor 36 Posture selection belt conveyor 37 Line sensor CCD camera 38 Light source 40 Air ejection nozzle 93 Controller 300 Belt conveyor R Rotary parts feeder (part supply device)

Claims (2)

[Claims] 1. A first rotating body having a substantially cylindrical shape, and an uppermost portion of the first rotating body is inclined in the first rotating body so as to substantially coincide with a level of an upper edge portion of the first rotating body. Disc-shaped second
A rotating body, and a cylindrical side wall forming member disposed along the upper end face of the first rotating body and concentrically with the first rotating body, the upper end face of the first rotating body and the A circular component transfer path is formed by the side wall forming member, and the first rotator and the second rotator rotate independently in the same direction, and the component accommodated on the second rotator is transferred to the component. A component supply device that is moved toward the path by centrifugal force due to the rotation of the two rotators, and conveys the component along the side wall forming member on the component transfer path; and the component transfer of the component supply device. a belt conveyor which is arranged in alignment with the discharge end of the road, and an imaging device disposed on opposite sides of the belt conveyor, the light source and the disposed on the downstream side of the imaging device imaging said <br/> components that are determined to be rearward facing orientation by the device base Comprising an air ejection device for eliminating the one side towards relates transfer direction of Tokonbeya device, and a part of the overflow detecting means provided downstream of the belt conveyor device, parallel to the one side of the belt conveyor device A component transferring means for transferring the component in a direction opposite to the belt conveyor device, and receiving the component in the backward position eliminated by the air ejection device in the same position as the component transferring device. In the component feeding device configured to transfer the component from the component transfer means while maintaining the forward position on the component transfer path of the component supply device, one of the plurality of rollers for winding the belt of the belt conveyor device may be used. And a computer that receives at least an imaging signal of the imaging device, an output of the encoder, and a detection signal of the overflow detection unit. Direction before by the imaging signal
When it is determined that the Kino attitude, and the over
The flow detection means has not detected the overflow of the part.
The Itoki without driving the air injection device, as it is advanced to the downstream side of the component, when it is determined that the backward posture, the output pulses of the encoder counts from the time the components of the attitude determination by the imaging signal When the first predetermined number of pulses is reached, the air ejection device is driven to blow the component in the backward position toward the component transfer means in the same position, and the overflow detection device detects the overflow. And when the computer determines that the orientation of the component is the forward orientation, the output pulses of the encoder are counted from the time of the orientation determination of the component based on the imaging signal and are counted by a second predetermined number of pulses. Is reached, the air ejection device is driven, and the ejection of the ejected air causes the parts in the forward-facing position to move by about 18
0 degrees is reversed, the component Seioku apparatus being characterized in that so as to be transferred to the component transfer unit. 2. A component supply device for transferring components on a component transfer path provided in a bowl, a component transfer device installed at a discharge end of the component supply device for supplying components to a next process, A component attitude determining means for determining the front and rear attitude of the component provided at a predetermined position of the component transport device; and a component exclusion provided downstream of the component attitude determining means for removing the component to one side of the component transport device. Means, and a component transfer device that is installed in parallel with the one side of the component transfer device and transfers the component to the component transfer path. In a component transfer device that transfers a component to the component transfer path in a predetermined front and rear posture by removing the component to a component transfer device, a component overflow detection unit and a component posture inversion elimination unit are provided at a predetermined location of the component transport device. When the overflow detecting means detects the overflow of the component and the component attitude determining means determines that the front and rear attitude of the component is in a predetermined direction, the component attitude reversing elimination means sets the front and rear attitude of the component. And then removed to the parts transfer device,
Wherein when the component attitude determination means before and after the posture of the component is determined not to be the predetermined direction by driving the parts removing means, to eliminate to the component transfer apparatus in the attitude of the or ゝ, before
The overflow detection means detects overflow of parts.
And the component posture determination means does not
If it is determined that the direction is the predetermined direction,
Do not drive the means, proceed to the downstream side as it is, and
The product attitude determining means determines that the front and rear attitude of the part is not in the predetermined direction.
When the parts are separated, the part elimination means is driven to
A component delivery device, wherein the component delivery device is removed to the component transport device in a posture as it is.