JP3319243B2 - Parts feeder - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an apparatus for sorting and sending parts, and more particularly to an apparatus for transferring parts by adjusting the direction of the front and back of the parts and the direction of transfer.

[0002]

2. Description of the Related Art FIG. 1A shows a white chip LED (light emitting diode) as an example of an object to be sorted and sent.
FIG. 2 is a perspective view of L (hereinafter, abbreviated as a chip), showing a posture to be taken at the time of regular feeding and a transfer direction (open arrow). FIG.
B is a side view of the chip L. In other words, the top plate La having a small volume and the base plate Lb having a large volume are provided, and the position of the center of gravity is on the side of the base plate Lb. Further, the length of the long side A in the transfer direction of the base plate portion Lb = 2.0 mm, the length of the short side B =
1.25 mm, and the difference between the long side A and the short side B is 0.75
mm. The total height H is 1.1 mm. Hereinafter, the posture in which the top plate portion La is upward is face up, and the posture in which the main plate portion Lb is upward is face down.

Conventionally, a torsional vibration parts feeder is used to feed such parts. Parts with a large difference between the long side and the short side are oriented by torsional vibration, and the long side is directed in the transport direction.Parts with a small difference in the length between the long side and the short side are less susceptible to orientation, The part whose long side is directed in the transfer direction and the part whose short side is directed in the transfer direction are transferred in a state where they are almost halfway. Further, when selecting a component having the long side as the transfer direction and a component having the short side as the transfer direction, a component having the long side as the transfer direction can pass, but a component having the short side as the transfer direction cannot pass. For example, a tunnel having a width is provided. If the difference in length between the long side and the short side is large, even if the tunnel width is widened with a margin, parts with the short side as the transfer direction will not enter, and parts with the long side as the transfer direction can easily enter. Therefore, the sorting proceeds smoothly, but if the difference between the long side and the short side is small, it is not possible to have a margin in the tunnel width, so parts with the long side as the transfer direction can not easily enter the tunnel. Sorting is congested. Therefore, the sorting is performed by detecting the difference between the length and the length with the optical sensor, but this increases the cost of the feeding device. Furthermore, as described above, almost half of the components are sorted out in the transfer direction, and half of the front and back parts are further sorted out, so that the supply efficiency to the next step is extremely low.

[0004]

SUMMARY OF THE INVENTION The present invention has been made in view of the above-mentioned problems, and comprises a small top plate and a large ground plate, and the difference between the length of the long side and the length of the short side of the ground plate is small. It is an object of the present invention to provide a component feeding device capable of adjusting the front and back and the transfer direction of a component and supplying the component to the next process with high efficiency.

[0005]

SUMMARY OF THE INVENTION The object of the present invention is to provide a rectangular parallelepiped top plate having a small thickness and a rectangular parallelepiped ground plate having substantially the same thickness and a large volume. A component arrangement comprising a torsional vibrating parts feeder for transporting a component whose center of gravity is on the side of the base plate portion and in which the difference between the length of the long side and the length of the short side of the base plate portion is small and the transfer direction is adjusted. In the feeding device, the bowl of the torsional vibration parts feeder has a J-shaped cross section and a round groove on the inner peripheral side, and the groove width of the round groove is formed to be substantially equal to the length of the long side. A regular sorting truck, a plate-like sorting truck connected to the downstream side of the sorting truck, an optical sensor for detecting the front and back of the components arranged on the sorting truck, and the optical sensor facing backward. When the component is detected, the component facing down And the front and back selection mechanism consisting of air injection source for ejecting air are provided for, while the part passes through the Seioku track, the component toward the short side in the transport direction is the round groove is redirecting to so that toward the long side in the transport direction on the inner and on top of the ground plate portion
The part facing backwards rolls over in the round groove and
It is set to a front position with the top plate portion facing upward, and is transferred to the following front and back selection mechanism, and the component facing down is detected by the optical sensor, and is blown away and eliminated by the jet air from the air jet source. Thus, the component delivery device is characterized in that the component is discharged from the downstream end of the sorting truck with the long side facing in the transfer direction and facing upward.

[0006]

[Function] A part of a regular feeding truck having a J-shaped cross section, whose groove width is almost equal to the length of the long side of the part, is transferred by vibration while the short side is directed in the transfer direction. Since the position is high, the direction is changed to the direction in which the long side having the low center of gravity is set as the transfer direction. Also, among the components whose long sides are oriented in the transfer direction, the components facing backward with a high center of gravity are transferred to the frontal orientation with a low center of gravity while being rolled over while being transferred by vibration. Next, it is transferred to the front and back sorting unit, and the remaining back-facing components are detected by the optical sensor, are blown away by the jet air from the air jetting source and are eliminated, and the long side is turned from the downstream end of the component feeding device to the front side in the transfer direction. Parts are discharged toward.

[0007]

BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 is a block diagram showing a component sorting and feeding apparatus according to an embodiment of the present invention.

(First Embodiment) FIG. 2 is a partially cutaway side view of a parts feeder 1 for supplying chips L to the next step.
2 is a plan view of the device 1. FIG. That is, the apparatus 1 is composed of a bowl 21 for accommodating and arranging the chips L and a drive unit 11 for applying torsional vibration to the bowl 21.

Referring to FIG. 2, in a drive unit 11, an inclined plate spring 1 in which movable blocks 12 which are integrally fixed to a bottom plate of a bowl 21 and also serve as a movable core are arranged at equal angular intervals.
It is connected to the lower fixed block 14 by 3.
Electromagnet 1 on which coil 15 is wound on fixed block 14
6 is provided facing the movable block 12 with a slight gap. The drive unit 11 is covered with a soundproof cover 17 around the drive unit 11.
And is installed on the floor 19 via the. And coil 1
When an alternating current is applied to 5, the clockwise torsional vibration is applied to the bowl 21 when viewed from above.

Referring to FIG. 3, a large number of chips L are housed on a bottom surface 22 of the bowl 21 as a vibrating basin, with its front and back unfixed and unfixed, and the torsional vibration is applied to transfer the chips L in the direction indicated by the arrow m. (The chip L is not shown because it is minute). In addition, the bottom surface 22 has a starting point 24s,
A flat track 24 spirally rising along the inner surface of the peripheral wall 23 is provided, and serves as a transfer path for the chips L. The track 24 is provided with a slight downward inclination toward the outside of the bowl 21.
3 is transferred in contact with the inner surface. A single-row / single-layering unit 40, a sorting unit 50, and a front / back sorting unit 60 are provided around the top of the track 24. A rapid delivery gate 31 and a monitor 35 for monitoring the lack of chips L on the bottom surface 22 of the bowl 21 are provided.

The quick-start gate 31 corresponds to [4]-in FIG.
[4] Referring also to FIG.
A gate plate 34 is screwed and fixed to a bolt 33a for loosely fitting a support block 33 extending into a notch 32 formed in the peripheral portion 25, and the bolt 33a is loosened in an emergency. Then, the gate plate 34 is removed and the chips L are taken out of the bowl 21. Not used during normal operation.

Referring to FIG. 3 and FIG. 6 showing a cross section taken along the line [6]-[6] in FIG. 3, a support 36 is provided on the peripheral portion 25 of the bowl 21 via a support block 30. The position of the bowl 21 in the radial direction is fixed so as to be adjustable by bolts 37 passing through the long holes 36 a, and two upper and lower screws screwed to the threaded portion of the optical sensor 38 passing through the support 36 with the support 36 interposed therebetween. The nut 39 is fixed so that the vertical position can be adjusted. Optical sensor 3
Reference numeral 8 denotes a bottom surface of the bowl 21 having a built-in light emitting element and a light receiving element.
2 is monitored, and the reflection from the bottom surface 22 having low reflectivity is received, and the deficiency of the chip L is detected by reducing the amount of received light. When the shortage of the chips L is detected, the chips L are supplied by means not shown.

The single-row / single-layered section 40 includes a first half-moon-shaped notch 41 on the downstream side of the gate 31 and a first notch 41 following the first notch 41.
It comprises a separation plate 42, a second separation plate 48 and a second notch 49. The first notch 41 inserts the track 24 into a chip L
Are narrowed to a width that can be passed only in a single row, and chips L that are transported in an excessively many rows without contacting the peripheral wall 23
And fall back onto the bottom surface 22.

The first separating plate 42 is for breaking up the stacked chips L. Referring to FIG. 5 showing a cross section taken along the line [5]-[5] in FIG. And is provided on the track 24. In other words, the first separating plate 42 has a notch 47 provided in the peripheral portion 25 of the bowl 21, the retaining block 45 is loosely fitted therein, and the peripheral portion 2 is inserted by a bolt 46 inserted through a hole 44 of the first separating plate 42.
5, the edge 43 of the first separation plate 42 is projected on the track 24 from the upstream side to the downstream side. Therefore, the first separation plate 42 can adjust the width of the projection on the track 24 within the range of the size of the hole 44 thereof.
A step 43a whose thickness is smaller than the thickness of the chip L and whose width is substantially the same as the width of the short side B of the chip L is formed at the edge 43. The lowermost chip L of the transferred stacked chips L is guided to the edge 43 and moves to the inner periphery of the track 24, and the second layer moves on the step 43 a to the inner periphery of the track 24. However, the third and higher layers are transported by climbing onto the first separation plate 42 and dropping onto the track 24 from the downstream end thereof to separate the overlapped chips L. Second
The separation plate 48 is formed similarly to the first separation plate 42,
It is provided to ensure separation of the stacked chips L.

The second notch 49 is formed in the same manner as the first notch 41, and includes the first separation plate 42 and the second separation plate 4
This is for making the chips L multi-rowed in 8 into a single row again. FIG. 7, which is a cross-sectional view taken along the line [7]-[7] in FIG. 3, shows the second notch 49 and the track 24 narrowed thereby.

Following the single-row / multi-layering section 40, a regulating section 50 is formed over about 1/4 circumference. The delivery unit 50 is the first
A regular delivery truck 51 and a small step 5 at its downstream end.
5 and a second regular feed truck 56 connected through the second feeder. 9 is a perspective view of the feeding unit 50, FIG. 8 is a cross-sectional view taken along line [8]-[8] in FIG. 3, FIG. 10 is a cross-sectional view taken along line [10]-[10] in FIG. Referring to FIG. 12 which is a partially enlarged plan view of the feeding section 50, an arc-shaped first feeding track 5 emitted from the second notch 49 will be described.
As shown in FIG. 10, 1 is formed in a J-shape in which the cross section opens upward and is inclined, and the inclined surface portion 52 facing upward toward the peripheral wall 23 and the groove width are equal to the length of the long side A of the chip L. It has a round groove 53. A ridge 54 is formed between the round groove 53 and a plane portion on the inner peripheral side.

Referring to FIG. 9, a chip L that passes in a single row on the track 24 narrowed by the second notch 49 and is transferred in contact with the peripheral wall 23 is formed obliquely with the peripheral wall 23. (1) It slips down from the outer peripheral side of the round groove 53 of the regular delivery truck 51 and enters the round groove 53. Also, the first regular delivery truck 51
Obliquely through the step 55 at the downstream end of
Although the feeding track 56 is connected and formed in an arc shape,
The size of the step 55 is smaller than the total height H of the chip L as shown in FIG. The cross section of the second regular delivery truck 56 is also the first
It has a J-shape that is open and inclined in the same manner as the regular delivery truck 51, and includes an upwardly inclined surface portion 57 facing the peripheral wall 23 and a round groove portion 58 having a groove width equivalent to the length of the long side A of the chip L. Has become. Then, the chip L is placed in the second transporting track 56
The step 55 is dropped from the outer peripheral side of the
Go inside. The step 55 is provided so that the long side of the chip L, which is being transferred with the short side B of the first regular feeding track 51 in the transfer direction, moves to the second regular feeding track 56, of which the long side is in the transfer direction. .

Returning to FIG. 3, the track / reverse sorting unit 60 is connected to the downstream end of the second regular feeding truck 56 of the
A block 61 is fixed to the upper surface of the peripheral portion 25 of the bowl 21, and a plate-like sorting track 64 is formed on the track block 61 so as to be slightly downwardly inclined outward in the radial direction of the bowl 21. FIG. 1 shows a cross section taken along the line [13]-[13] in FIG.
As shown in FIG. 3, the upstream second reordering track 56 is located at the center of the sorting track 64 and connected thereto.
Even if there is a chip L which is transported while being tilted on the inclined surface portion 57 of the delivery truck 56, the transport clogging is prevented from occurring.

Referring to FIG. 3, the width of the selection track 64 is immediately reduced to a width substantially equal to the length of the short side B.
On the peripheral wall 65 immediately downstream of the narrowed portion,
An air ejection hole 67 for making the stacked chips L into a single layer is opened, and air is always ejected. That is, with reference to FIG. 14 showing a cross section taken along the line [14]-[14] in FIG. 3, it is communicated with an air hole 66 formed in the track block 61 on the upper surface of the peripheral portion 25 of the bowl 21, A compressed air pipe 26 is screwed into the peripheral portion 25 from below. An air ejection hole 67 is provided from the air hole 66 toward the peripheral wall 65, and is opened at the height of the chip L of the second layer when the chips L are stacked and transferred on the sorting truck 64.

A first front / back selection mechanism 71 is provided downstream of the air ejection hole 67. Referring to FIG. 3 and FIG. 15 showing a cross section taken along line [15]-[15] in FIG. 3, an L-shaped block 72 is provided on the outer periphery of the peripheral portion 25 of the bowl 21.
Is fixed with two bolts 73, and the L-shaped block 72
One light receiving element 8 constituting the “optical sensor” according to the present invention
3 is attached with two screws 83b, an inverted L-shaped sensor support 75 is fixed with two bolts 74, and the tip of the sensor support 75 is protected by a protector 77 having an opening 76 as an optical path. The other light emitting element 82 is attached with a screw 82b.

Further, the upper portion of the track block 61 is cut off at the height position of the top plate La of the chip L facing upward with the long side A to which the sorting truck 64 is transferred facing in the transfer direction. A slightly downwardly inclined surface is formed so as to face outward, and the light emitting element 82 and the light receiving element 83 are formed on the inclined surface.
The slit attachment 85 has two screws 85 so as to form a horizontally long slit 84 as an optical path between
b. The width of the slit 84 is such that it is not concealed by the top plate La of the chip L with the long side A facing the transport direction facing up and the top plate La of the chip L with the short side B facing the transport direction facing up. I have. The length L is set to be completely concealed in the base plate portion Lb of the chip L with the long side A facing backward in the transport direction. Therefore, even if the chip L facing upward with the long side A directed in the transport direction passes in front of the slit 84, the light from the light emitting element 82 always receives the light from the light receiving element 83.
When the chip L facing backward with the long side A directed in the transport direction passes in front of the slit 84, the light from the light emitting element 82 is temporarily completely blocked and does not reach the light receiving element 83. . The detection of front and back is performed by the optical sensor depending on whether or not the light is blocked. It should be noted that the chip L, which hardly exists but has the short side B directed in the transfer direction, is transferred to the slit 8
4, the light from the light emitting element 82 is not blocked in any of the front and back directions.

Further, the track block 61 is provided with an air hole 86 which opens into the slit 84. The air hole 86 communicates with the air hole 86 so that the compressed air pipe 27 can be connected to the peripheral portion 25 of the bowl 21 from below. Is inserted and screwed. That is, the slit 84 is used both as the optical path of the optical sensor and the path of the jet air. Then, when the optical sensor 81 detects the chip L facing backward, a controller (not shown) to which the signal is input instantaneously opens the electromagnetic valve provided in the compressed air pipe 27, and the air flows from the slit 84. It is ejected instantaneously and blows off the detected chip L facing backward. The air is also ejected from the slit 84 to the light receiving element 83 side, but this does not hinder the blowing of the chip L facing backward, and the residual pressure in the compressed air pipe 27 when the solenoid valve is closed is rapidly reduced. Releases and works to stop the air spurts sharply. A notch 88 is provided in the track 24 on which the chips L are blown and fall, so that the bowl 21 can be easily returned to the bottom surface 22.

Immediately downstream of the first front / back sorting mechanism 71, an air jet nozzle 96 for removing chips L with the remaining short side directed in the transfer direction is provided. FIG. 1 and FIG. 1 showing a cross section taken along the line [16]-[16] in FIG.
Referring to FIG. 6, a nozzle attachment 97 having a downward air jet nozzle 96 attached thereto is mounted on a track block 6.
1 and is fixed to the upper surface of the track block 61 by bolts 98 that reach the peripheral portion 25.
The compressed air pipe 28 is inserted and screwed into the attachment 97 from the outer peripheral side of the bowl 21 so as to communicate with the air ejection nozzle 96, and the air is constantly ejected from the air ejection nozzle 96. That is, when the chips L are transported on the sorting truck 64 with the long side A directed in the transport direction, FIG.
As shown in (1), the chip L does not protrude from the sorting track 64, but when the short side B is directed in the transport direction, one short side B slightly protrudes from the sorting track 64. The jet air from the air jet nozzle 96 is blown onto the protruding portion, and the chips L having the short sides B directed in the transfer direction are removed from the sorting track 64. Also,
A notch 99 is formed in the peripheral portion 25 where the removed chip L falls.
Are provided to facilitate return into the bowl 21.

A chip L is provided downstream of the air jet nozzle 96.
A second front / back selection mechanism 79 for finally checking the front / back is installed, but since it is configured in exactly the same manner as the first front / back selection mechanism 71 described above, its description is omitted.

Downstream of the second front / back sorting mechanism 79, FIG.
Referring to FIG. 17 showing a cross section taken along the line [17]-[17] in FIG. 3, an outlet block 101 is fixed to a peripheral portion 25 of a bowl 21, and a guide plate 102 is screwed with screws 102b. It is fixed, and the holding plate 103 is fixed together with the nozzle attachment 105 by the bolt 107, and the tunnel-like outlet having a width and a height that allows the chips L having the long sides A in the transfer direction to pass in a single row and a single layer. A track 104 is formed.

The nozzle attachment 105 is provided with an air ejection nozzle 106 for accelerating the chip L to be transported through the exit track 104 and inclined downward toward the downstream side, and communicates with the air ejection nozzle 106. A compressed air pipe 29 is inserted and screwed into the nozzle attachment 105 from the outer peripheral side of the bowl 21. Air is constantly jetted from the air jet nozzle 106,
The chips L are blown into the outlet track 104 from the gap between the plate 102 and the holding plate 103 to push the chips L.

The component feeder 1 of the first embodiment is configured as described above. Next, the operation of the device will be described.

Referring to FIG. 3, chip L accommodated in bottom surface 22 of bowl 21 is moved to the periphery by torsional vibration and is also moved in the direction shown by arrow m, starting point 24s.
From there, get on the truck 24, touch the surrounding wall 23, and the front and back are undefined,
Transported in an indeterminate orientation. The chips L on the bottom surface 22 are constantly monitored by the monitor 35 shown in FIG. 6, and when a deficiency is detected, the chips L are replenished by means (not shown), so that the chips L on the bottom surface 22 do not become empty.

The chip L is transported spirally on the track 24 and rises, and the width of the chip L is reduced by notches 88 and 89 formed at positions directly below the first and second sorting mechanisms 71 and 79, respectively. Are further preliminarily single-lined by passing through the narrowed track. Then, the track 24 passes through the rapid-access gate 31 as it is and reaches the first notch 41 of the single-row / single-layered portion 40. The first notch 41 causes the track 24 to have such a width that the chips L can pass only in a single row. , The chips L which are transferred in a superfluous manner in a multi-row form have the first notch 4
1 and is returned to the bottom surface 22 of the bowl 21 so that the peripheral wall 2
Only the chips L transferred in contact with 3 pass. Therefore, after the first notch 41, the transfer is performed in a single row with the front and back undefined and the orientation undefined.

The first separation plate 4 immediately downstream of the first notch 41
2, the lowermost chip L of the chips L stacked and transferred is the edge 43 of the first separation plate 42.
The chip L of the second layer is transported on the step 43a, and the third and higher layers are transported on the first separating plate 42 and fall to the track 24. As a result, the stacked chips L are broken and separated. Further, the similar separation is repeated by the subsequent similar second separation plate 48, so that the stacked chips L are surely separated. Then, reaching the second notch 49, the chips L are finally made into a single row by the narrowed track 24,
It is transferred to the arranging unit 50 shown in FIG.

FIG. 1 is a diagram showing a first delivery truck 51 of the delivery unit 50.
As shown in FIG. 9, the cross section has a J-shape in which the cross section is open upward and is inclined, and is composed of an inclined surface portion 52 and a round groove portion 53.
As shown in FIG. 7, the chip L transferred to the track 24 in contact with the peripheral wall 23 slides into the round groove 53 from the outer peripheral side.
Then, even if the chips L are transported in close contact with each other, the inclined surface portion 52 becomes a temporary pool, and the transition to the round groove portion 53 proceeds extremely smoothly.

In the first regular delivery truck 51, FIG.
5A, the chip L whose short side B is directed in the transfer direction in the round groove portion 53 has one short side B side facing the ridge line 5 of the round groove portion 53.
4, the other short side B in the round groove 53 is set to be the leading point with the mounting position serving as a fulcrum, and FIG.
B, the direction is changed so that the long side A is directed in the transport direction. Chip L ₁ in Figure 12 shows the situation, after the direction of the dashed line is preceded short sides B side from the solid line orientation in a round groove 53, the long side A as shown by the two-dot chain line in the transport direction Get closer. In other places, the tip L whose short side B is oriented in the transfer direction and whose long side A is slightly orthogonal to the round groove 53 has a high center of gravity. The direction is changed so that the long side A whose position is lowered is set as the transfer direction.

FIG. 11 is a cross-sectional view similar to FIG. 10 of the first regular delivery truck 51, and a chip L facing backward with the long side A directed in the transport direction is being transported along the first regular delivery truck 51. This shows a state where the image is converted to the face up. That is, A in FIG.
When the chip L facing downward with the dashed line takes the inclined position shown by the solid line while being transferred while receiving the vibration, the base plate portion L
Since b has a center of gravity, it rolls over to the inclined surface portion 52 side as shown by a dashed line in FIG. 11B, and further rolls over as shown by a solid line to face up. In FIG. 11A, chip L
The same applies to the case where the inclination is opposite to the inclination indicated by the solid line on the inclined surface portion 52. In this way, the chip L moves the long side A in the transport direction while being transported on the first regular transporting track 51, and increases the rate of face up.

Further, with reference to FIGS. 8, 9 and 12,
The chip L moves down the small step 55 downward from the first feeding track 51 to the second feeding track 56,
At this time, the chips L having the short sides B directed in the transport direction in the first regular delivery track 51 have the long sides A directed in the transport direction. In other words, the second feeding track 56 is obliquely connected to the downstream end of the first feeding track 51 via the step 55 extending downward, and is formed by a solid line with the short side B shown in FIG. The chip L ₂ has one short side B as a tip, like the chip L ₂ indicated by a dashed line in the step 55, and
It is dropped onto the regular delivery truck 56 and brought into contact therewith. The other short side B side is taken as the rear end, and it is left on the first regular delivery truck 51 side to take a posture inclined downward. The other short side B, which is the rear end, receives the transfer force of the second feeding truck 56 and the inclined surface 57 of the second feeding truck 56.
As a result, as shown by the two-dot chain line chip L ₂ , the long side A is directed in the transfer direction at the time of transition to the second regular delivery track 56. The chip L whose long side A is directed in the transfer direction in the first convergence track 51 also drops the short side B of the tip at the step 55 to the second convergence track 56, and similarly, the second convergence track 5
At 6, the long side A is directed in the transport direction. Accordingly, in the second feeding track 56, there is almost no chip L with the short side B directed in the transfer direction. Then, since the chips L facing down are also facing up in the second regular delivery track 56,
The front-side ratio is increased and sent to the front-back selection unit 60.

In the front and back sorting section 60, as shown in FIG. 13, the chip L is transferred from the J-shaped second regular feeding track 56 having a slanted cross section to the flat sorting track 64. The width of 64 is reduced and FIG.
In the case where there are chips L that are stacked and transferred by being transferred in front of the air ejection holes 67 that are constantly opened and are opened to the peripheral wall 65 as shown in FIG. Into a single layer.

Next, the chips L are transported in a single-row / single-layer state to the first obverse / reverse sorting mechanism 71. Referring to FIG. If it is transported face up,
Is the height of the slit 84, but the top plate La cannot hide the width of the slit 84, so that light from the light emitting element 82 of the optical sensor 81 to the light receiving element 83 through the slit 84 is not blocked, The light is always received by the light receiving element 83. The controller (not shown) to which this light receiving signal is input does not operate the solenoid valve of the compressed air pipe 27, so the slit 84
No air is blown out of the chip, and the front-facing chip L passes as it is.

When the chip L is transferred face down with the long side A facing the transfer direction, the base plate portion Lb is
4, and the side surface on the long side A side of the base plate portion Lb hides the slit 84, so that the light from the light emitting element 82 is temporarily blocked and is not received by the light receiving element 83. Since the controller to which the cutoff signal is input instantaneously opens the solenoid valve of the compressed air pipe 27, air is blown out from the slit 84, and the chip L facing away is blown off and removed, and provided on the truck 24 immediately below. Bowl 2 through the notch 88
1 is returned to the bottom surface 22. When there is almost no chip L which is transported with the short side B directed in the transport direction, the slit L cannot be concealed in either the front side or the back side, so the chip L passes through as it is.

On the downstream side of the first front / back sorting mechanism 71, FIG.
Since the air is always jetted from the air jet nozzle 96 shown in FIG. 6, the chip L whose long side A is directed in the transfer direction passes as it is, but the chip L whose short side B is directed in the transfer direction is one short side. Since the B side is slightly transferred from the sorting truck 64 and transferred, the air ejection nozzle 96
Is blown out of the sorting truck 64 as shown by a dashed line, and is returned to the truck 24 of the bowl 21 via the notch 99 formed in the peripheral portion 25.

The chips L whose short sides B are directed in the transfer direction are eliminated by the air jet nozzles 96, and the chips L are transferred to the second front / back sorting mechanism 79. The operation of the second front / back selection mechanism 79 is exactly the same as that of the first front / back selection mechanism 71. If there is any remaining back-facing chip L, this is eliminated and the notch 89 provided in the track 24 immediately below is removed. It is returned to the bottom surface 22 of the bowl 21 via the

Chip L that has passed through the second front / back sorting mechanism 79
Is transported to a tunnel-like exit truck 104. As shown in FIGS. 3 and 17, the chips L having the long sides A directed in the transfer direction are transferred through the exit track 104 having a width and a height that can pass only in a single row and a single layer, so that the chips L are formed. It is prevented from jumping out of the exit truck 104 and occurrence of overlap, and is also transported without changing the direction of transportation. At the downstream end of the exit truck 104, the air is constantly ejected from the air ejection nozzle 106 to be boosted by air. Then, only the chips L facing up with the long side A directed in the transfer direction are discharged.

(Second Embodiment) FIG. 18 is a partially cutaway side view of a part feeding device 2 for supplying chips L to the next step, and FIG. 19 is a plan view of the device 2. That is, the apparatus 2 includes a bowl 121 for accommodating and feeding chips L and a drive unit 111 for applying torsional vibration to the bowl 121. However, many elements are common to the parts feeding apparatus 1 of the first embodiment. Have.

The driving unit 111 is shown in FIG.
Since the components are the same as those of the drive unit 11 of the first embodiment, the respective components are denoted by reference numerals in the hundreds with the same lower two digits as those of the drive unit 11 of the first embodiment. Is omitted. However, when an alternating current is applied to the coil 115, the driving unit 111 rotates the bowl 121 counterclockwise when viewed from above.
That is, torsional vibration in the direction opposite to that of the first embodiment is applied. However, the difference in the direction of the torsional vibration has no essential meaning.

Referring to FIG. 19, a large number of chips L are stored on the bottom surface 122 of the bowl 121 as a vibrating basin, with the front and back unfixed and unfixed, and are transferred in the direction indicated by the arrow n under the torsional vibration. L is not shown). In addition, the bowl 121 has a starting point 131 s on the bottom surface 122, and is provided with a first regularization track 131 that rises spirally in the bowl 121, and serves as a transfer path for chips L. Note that the first regular delivery truck 131 corresponds to [22] in FIG.
-[22] Referring to FIG. 22 showing a cross section in the line direction, the cross section is formed in an upright J-shape and includes an upright surface portion 132 and a round groove portion 133 on the inner peripheral side thereof.
Is made equal to the length of the long side A of the chip L. Basically, the chips L are transferred in a single row through the round groove 133.

The first regular feed truck 131 goes under the first front and back sorting mechanism 171 and the second front and back sorting mechanism 179, which will be described later, and goes around the uppermost part.
An air ejection hole 144 for opening the chip L in a single layer is opened in a notch 146 provided in the peripheral wall 123 of FIG.
That is, referring to FIG. 20 showing a cross section taken along the line [20]-[20] in FIG.
The bowl 1 is inserted into the horizontal air ejection hole 144 formed in
A compressed air pipe 127 is inserted and screwed from the outer peripheral side of 21, and an air ejection hole 144 is opened in the wall surface of the notch 146, so that air is always ejected. The bottom surface of the notch 146 is at the level of the second layer of the chips L stacked and transported on the first regular delivery truck 131, and the chips L of the second layer or more
Is blown off and returned into the bowl 121.

19 and [21]-in FIG.
[21] Referring to FIG. 21 showing a cross section in the line direction, a small step 13 downward is provided at the downstream end of the first
5, a second regular delivery truck 136 is connected obliquely. FIG. 24 is an enlarged plan view of that part. This second
The regular delivery truck 136 also has a shape similar to that of the first regular delivery truck 131, and has a J-shape with an upright cross section and an upright surface portion 137.
And a round groove 138 on the inner peripheral side thereof. The step 135 between the two sets the long side A as the transfer direction when the chip L being transferred with the short side B directed to the transfer direction on the first fixed track 131 moves onto the second fixed track 136. Orient it.

Returning to FIG. 19, a rapid feeding mechanism 141 is provided in the middle of the second regular feeding track 136. Referring also to FIG. 25 showing a cross section taken along the line [25]-[25] in FIG.
The fast-moving block 142 is inserted and fixed, and the fast-moving block 142 is formed with a track 136 ′ and a long hole 143 that match the second regular feeding track 136. The quick release block 142 is attached to a mounting member 145 fixed to the outer periphery of the peripheral portion 125 of the bowl 121 with two bolts 148 by a knurled screw 147 that inserts the long hole 143, and is directly below the track 136 '. An extraction hole 149 penetrating vertically through the peripheral edge 125 of the bowl 121 is provided. Then, at the time of switching the type of the chip L or in an unsteady state such as an emergency, the knurled screw 147 is loosened to move the quick release block 142 to the left in FIG.
The transported chips 136 are transported and the chips L are dropped from the ejection holes 149 downward. Not used during normal operation.

On the downstream side of the quick release mechanism 141, referring to FIG. 19 and FIG. 26 showing a cross section taken along the line [26]-[26] in FIG.
Track block 151 fixed with bolts 152
After the second regular feeding track 136 "is formed long, a first front and back sorting mechanism 171 and a second front and back sorting mechanism 179 are provided. The first front and back sorting mechanism 171 is the first front and back sorting mechanism in the first embodiment. It is configured similarly to the sorting mechanism 71,
The light-emitting element 182 of the “optical sensor” according to the present invention is attached to the tip of the sensor support 175 with the chip L transferred on the plate-like sorting track 174 therebetween, and the bowl 1
The light receiving element 183 is attached to the outer peripheral side of 21.
The second front and back sorting mechanism 179 has exactly the same configuration as the first front and back sorting mechanism 171 and is provided to increase the accuracy of front and back sorting. In the component feeding device 1 of the first embodiment, the air ejection nozzle 96 for removing the chip L having the short side B directed in the transfer direction is provided. However, in the component feeding device 2 of the second embodiment, 1st consolidation truck 1 with J-shaped cross section
31, the second regular delivery truck 136 is attached to the bottom surface 1 of the bowl 121.
Since the chip L is formed to be longer than 22 and the chip L having the short side B as the transfer direction facilitates turning the long side A toward the transfer direction, no air ejection nozzle for selecting the transfer direction is provided.

On the downstream side of the second front / back sorting mechanism 179, referring to FIG. 19 and FIG. 27 showing a cross section taken along the line [27]-[27] in FIG.
25, an outlet block 191 is fixed with two bolts 192, and a guide plate 193 is attached to the outlet block 191 by bolts 195 that pass through the long holes so as to be able to adjust the horizontal position. A holding plate 198 is attached to a mounting member 197 fixed by a knurled screw 196 so as to be capable of adjusting the position in the vertical direction by a bolt 199 that passes through a long hole (not shown). An exit track 194 whose height and width can be adjusted is formed on the exit block 191 by the guide plate 193 and the holding plate 198, and chips L having long sides directed in the transfer direction are arranged in a single row and a single layer. You can pass by.

In FIG. 19, a long notch 16 substantially parallel to the first
7, 168 and 169 are formed, but the notch 167 having the center immediately below the tip of the sensor support 175 of the first front and back sorting mechanism 171 is blown off by the first front and back sorting mechanism 171 and removed. The chips L are provided for dispersion, and the notches 168 and 169 on the downstream side are provided for returning the dropped chips L onto the first regular delivery track 131.

The component feeder 2 of the second embodiment is constructed as described above, and its operation will be described below.

Referring to FIG. 19, bottom surface 1 of bowl 121
The chips L accommodated in the front and rear indefinitely and indefinitely in the direction 22 receive the torsional vibration, move to the peripheral edge and are transported in the direction of the arrow n, and from the starting point 131S to the first regularized track 131.
Is transported in a single row. The chip L rises in a spiral manner on the first feeding track 131, and when the chip L reaches the uppermost turn after approximately one and a half turn, referring to FIG. 20 as well, the air ejection hole 144 from which air is constantly ejected is formed. At the front, the chips L stacked and transported in two or more layers are blown off and the chips L are made into a single layer.

During the transfer of the first regular delivery truck 131, the chips L whose short sides B are directed in the transfer direction have their long sides A directed in the transfer direction, and the chips L which face down are turned upside down. Referring to FIG. 22 which shows a cross section of the first regular feeding track 131, as shown in FIG. 22A, the chip L has the short side B in the transfer direction and the long side A is orthogonal to the round groove portion 133, and one short side B
Side is placed on the side wall 134 on the inner peripheral side, and the other short side B portion is in contact with the bottom surface of the round groove 133.
The tip L is directed to the long side A in the transfer direction with the other short side B side in the round groove portion 133 serving as a fulcrum where the chip L is placed. FIG.
22B. Then, as shown in FIG. 22C, the long side A is directed in the transfer direction in the round groove 133 as shown in FIG.

As shown in FIG. 22B and FIG. 22C, the round groove 1
When the long side A is orthogonal or oblique to the round groove portion 133 in the position 33, the direction of the transfer is changed so that the long side A, whose center of gravity is low due to vibration, has a low center of gravity.

FIG. 23 is a sectional view similar to FIG.
In FIG. 23A, when the chip L facing backward with the long side A indicated by the alternate long and short dash line in the transfer direction receives the vibration and takes the inclined position indicated by the solid line while being transferred, the base plate portion Lb
23B, it rolls over to the upright surface 132 side as shown by the alternate long and short dash line in FIG. 23B, and further rolls down so that the main plate portion Lb is down as shown by the solid line, and as shown in FIG. 23C. The center of gravity is inverted to the lowest posture. Note that this also occurs in the second long feeding track 136 "which is formed long.

Further, referring to FIGS. 21 and 24, the chip L is moved from the downstream end of the first regularized track 131 to the second regularized track 136 through a small downward step 135. At this time, the chip L whose short side B is directed to the transfer direction can be almost forcibly changed so that the long side A is set to the transfer direction. That is, as shown in FIG. 24, the chip L ₃ in which the short side B is directed in the transport direction in the first regular feeding track 131 is a step 13 like the chip L ₃ shown by the dashed line.
At the position 5, one short side B side is the leading end, and is dropped into the second regular delivery truck 136, and the other short side B side is the rear end, and is inclined toward the first regular delivery truck 131 side, and is inclined downward. The one short side B, which is the leading end, receives the transfer force of the second regular feeding track 136, while the other short side B, which is the rear end, is the upright surface 132 of the first regular feeding track 131.
Since transfer rising round groove 133 becomes an obstacle leading to delays, so direct long side A to the transfer direction at the time of the transition to the second Seioku track 136 as chip L ₃ indicated by the two-dot chain line . In the step 135, the chip L whose long side is directed in the transfer direction in the first regular feeding track 131 also has one short side as a tip, and the second regular feeding track 136
Therefore, the long side A is directed in the transport direction in the same manner when the process proceeds to the second regular transporting track 136. Therefore, in the second regular delivery track 136, there is almost no chip L with the short side B directed in the transport direction. Also, as described above, also in the second transporting track 136 ", the chip L facing backward with the long side A directed in the transport direction is inverted face up, and the proportion of face up is increased.

The chip L is sent from the second regular feeding track 136 "to the first front and back sorting mechanism 171 and undergoes the same front and back sorting as the first front and back sorting mechanism 71 of the first embodiment. After passing through and being transported, the chips L facing down are blown off by the blowing air and are eliminated, and further, after the chips L undergo the front and back sorting to increase the sorting accuracy by the second front and back sorting mechanism 179, Exit truck 194
Transferred to Exit track 194 as shown in FIG.
Is formed in a tunnel shape with a width and height such that the chips L having the long sides A in the transfer direction are transferred in a single row and a single layer, so that the chips L are disturbed in the front and back and the transfer direction. The chip L is discharged from the downstream end, and only the chips L facing the long side A in the transfer direction are discharged from the downstream end.

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

For example, in each embodiment, two regular feeding trucks each having a J-shaped cross section are used, and the downstream first regular feeding truck has a downstream end through a step at the downstream end. (2) Although the feeding tracks are connected obliquely and the direction of the chip L is adjusted so that the long side A is set to the transfer direction, when the difference between the long side and the short side of the part to be transferred is slightly large, It is also possible to reduce the number of tracks to one.

Further, in the first embodiment, the J-shaped feeding tracks 51 and 56 whose cross sections are open upward and inclined are connected to the downstream end of the flat track 24 and are arranged in about 1/4 turn. However, an inclined feeding truck may be provided from the bottom surface 22 of the bowl 21. However, since the feeding track having the round groove is basically a track for transferring the chips L in a single row, the feeding performance is lower than that of the first embodiment in which the flat track is also used. .

In the second embodiment, the J-shaped feeding trucks 131 and 136 having an upright cross section are connected to the bowl 1.
Although it is provided in a spiral form starting from the bottom surface 122 of the track 21, it may be connected to the downstream end of a flat track.

Further, in the second embodiment, the air jet nozzle for eliminating the chips L whose short sides B are directed in the transfer direction is not provided, but may be attached as in the first embodiment.

Further, in each embodiment, the width of the round groove portion of each of the alignment tracks, for example, the width of the round groove portion 53 of the alignment track 51 is equal to the length of the long side A of the chip L. The same effect is obtained even if the width is slightly narrower. Generally speaking, when the groove width is reduced, the transfer capability is reduced, and when the groove width is widened, the ability to adjust the front and back and the transfer direction is reduced.

In each of the embodiments, the chip L having a shape in which the small top plate portion La and the large base plate portion Lb are overlapped is to be transferred. Parts with almost the same shape but slightly different lengths on the long and short sides, or with the relationship of long side length> short side length> height and the center of gravity is offset in the height direction The component arranging device of the present invention can be applied to the arranging of parts, and exhibits a high arranging ability.

[0064]

As described above, according to the parts feeding device according to the first aspect of the present invention, a rectangular parallelepiped top plate having substantially the same thickness and a small volume and a rectangular parallelepiped ground plate having a large volume are provided. Are formed with the sides aligned in the same direction, the center of gravity is on the main plate side, and the difference between the length of the long side and the short side of the main plate is small. Since it can be transferred, the supply efficiency to the next step is large.

Further, according to the parts feeding device according to the second aspect, the inclined surface portion having a J-shaped cross section serves as a temporary relief for the parts to be transferred, so that single-row transfer with a high transfer density is possible.

Further, according to the component feeding device according to the third aspect, since the feeding track having a J-shaped cross section is long, the front and back of the component and the transfer direction can be efficiently adjusted.

In addition, according to the parts feeding device according to the fourth aspect, the transition from the first feeding truck on the upstream side to the second feeding truck on the downstream side is performed by passing the step downward, thereby shortening the time. A part whose side is directed in the transport direction can be almost forcibly changed so that the long side is in the transport direction.

[Brief description of the drawings]

FIG. 1 is a perspective view showing parts to be transferred in an embodiment, and FIG. 1B is a side view.

FIG. 2 is a partially cutaway side view of the parts feeding device of the first embodiment.

FIG. 3 is a plan view of the same device.

FIG. 4 is a sectional view taken along the line [4]-[4] in FIG.

FIG. 5 is a sectional view taken along line [5]-[5] in FIG. 3;

FIG. 6 is a sectional view taken along the line [6]-[6] in FIG.

FIG. 7 is a sectional view taken along the line [7]-[7] in FIG.

8 is a sectional view taken along the line [8]-[8] in FIG.

FIG. 9 is a perspective view of a feeding unit of the apparatus.

FIG. 10 is a cross-sectional view taken along the line [10]-[10] in FIG.

FIG. 11 is a cross-sectional view similar to FIG. 10, showing the operation of a regular delivery truck.

FIG. 12 is a partially enlarged plan view of a feeding section of the same device.

FIG. 13 is a sectional view taken along the line [13]-[13] in FIG.

14 is a sectional view taken along the line [14]-[14] in FIG.

15 is a sectional view taken along the line [15]-[15] in FIG.

16 is a sectional view taken along the line [16]-[16] in FIG.

17 is a sectional view taken along the line [17]-[17] in FIG.

FIG. 18 is a partially cutaway side view of the component feeding device of the second embodiment.

FIG. 19 is a plan view of the same device.

20 is a sectional view taken along the line [20]-[20] in FIG.

21 is a sectional view taken along the line [21]-[21] in FIG.

FIG. 22 is a cross-sectional view taken along the line [22]-[22] in FIG.

FIG. 23 is a cross-sectional view similar to FIG. 22, illustrating the operation of the regular delivery truck.

FIG. 24 is a plan view showing a connection portion of a regular delivery truck.

FIG. 25 is a sectional view taken along the line [25]-[25] in FIG. 19;

26 is a sectional view taken along the line [26]-[26] in FIG.

FIG. 27 is a sectional view taken along the line [27]-[27] in FIG. 19;

DESCRIPTION OF THE SYMBOLS 1 Component feeding device of first embodiment 2 Component feeding device of second embodiment 11 Drive unit 21 Bowl 22 Bottom surface 24 Track 27 Compressed air pipe 51 First feeding truck 55 Step 56 Second adjustment Feeding truck 64 Sorting truck 71 First and back sorting mechanism 79 Second front and back sorting mechanism 82 Light emitting element 83 Light receiving element 84 Slit 131 First regular feeding truck 135 Step 136 Second sorting truck 171 First front and back sorting mechanism 179 Second front and back sorting mechanism Mechanism L Chip

Claims (4)

(57) [Claims] 1. A rectangular parallelepiped top plate having substantially the same thickness and a small volume and a rectangular parallelepiped ground plate having a large volume are formed so as to be aligned in a side direction, and the center of gravity is on the ground plate portion side, and In a parts feeding device including a torsional vibration parts feeder for transferring the front and back of a part having a small difference between a length of a long side and a length of a short side of the main plate part and a transfer direction thereof, the torsional vibration parts feeder A rectifying truck, wherein the bowl has a J-shaped cross section and a round groove on the inner peripheral side, and the groove width of the round groove is formed to be substantially equal to the length of the long side; A plate-shaped sorting truck connected to the downstream side of the component, an optical sensor for detecting the front and back of the component disposed on the sorting track, and the optical sensor for detecting the component facing backward when the optical sensor detects the component facing backward. Air jet for jetting air to the part And the front and rear sorting mechanism is provided consisting, while the part passes through the Seioku track, the said long side in the transport direction the part with its short sides in the transport direction in the circle in the groove is redirecting to so that toward, and said base plate
The part facing down with the part upside down rolls in the round groove part
The top plate portion is placed in an upright position, and is transferred to the front / back selection mechanism, and the back-facing component is detected by the optical sensor, and is blown off by the jet air from the air jet source to be eliminated. The part feeding device discharges the part with the long side facing in the transfer direction face-up from the downstream end of the sorting truck. 2. The feeding truck having a J-shaped cross section that is open upward and inclined, and is connected to a downstream end of a flat truck that rises spirally from a bottom surface of the bowl along a peripheral wall of the bowl. 2. The parts feeding device according to claim 1, wherein: 3. The method according to claim 1, wherein the truing track has an upright J-shaped cross-section and is provided spirally from a starting point on the bottom surface of the bowl along a peripheral wall of the bowl. A parts feeder as described. 4. The truck according to claim 1, wherein said truck has an upstream first truck, and a downstream end thereof has a height smaller than a total height of said parts.
A second feeding truck of a similar shape, which is obliquely connected via a downward step, wherein the part whose short side is directed in the transfer direction moves the step from the first feeding truck. 4. The component regulating device according to claim 1, wherein the component is converted into a direction in which the long side is a transfer direction when moving to the second regulating track via the control unit. 5.