JP2000226115A - Part selecting device - Google Patents

Abstract

PROBLEM TO BE SOLVED: To select parts whose head part thickness exceeds an upper limit value, in high accuracy in a simple mechanism, from among parts which consist of a head part and a leg part extending to the lower side from the center of the bottom face of head part. SOLUTION: A hanging track 74 comprises a ridge line whose section top angle is 90 deg., an outer peripheral side slope and an inner peripheral side slope 74r, and parts S are hung by locking the bottom faces of the head parts H to the outer peripheral side slope, and the leg parts L are hung and transferred along the inner peripheral slope 74r. In such a hanging track 74, a cylindrical rotary body 85 having 6 sheets of vanes 86 is provided by making the center of the end face 85 m almost parallel to the outer peripheral side slope, positioning the center of the end face 85 m on the extending surface of the inner peripheral side slope, and providing a specific clearance G between the outer peripheral side slope and the end face 85 m of the rotary body 85. A part S whose head part thickness exceeds a tolerable upper limit is spattered and exhausted, by colliding the top face of its head part H with the end face 85 m of the rotating rotary body 85 by a spouting air.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a component sorting apparatus, and more particularly, to a component comprising a head and a leg extending downward from a central portion of a bottom surface of the device, the thickness of the head being allowed. The present invention relates to a component selection device capable of selecting and excluding a component exceeding the upper limit value by a simple mechanism.

[0002]

2. Description of the Related Art FIG. 1 is a side view of a tapping screw S (hereinafter referred to as a component S) as an example of a component including a head and a leg extending downward from a central portion of a bottom surface thereof.
The standard dimension of this part S is the outer diameter d ₁ of the head H = 3.8 m.
m, thickness t = 1.3 mm, length L of the leg L = 5 mm, and outer diameter d ₂ = 2 mm including the threaded portion. The component S is used, for example, for assembling a DVD (digital video disk) reproducing apparatus. However, the thickness t of the head H varies and, for example, if the thickness exceeds 1.4 mm is used for assembling, the assembling accuracy is deteriorated. Therefore, the upper limit of the thickness t is set to 1.4 mm. Therefore, it is necessary to exclude components S whose thickness t exceeds the upper limit value in advance.
Of course, there are some with the thickness t smaller than the standard size,
This is not a problem. In the component S, the outer diameter d ₁ of the head H = 2.2 mm and the thickness t = 0.
8 mm, length L of leg L = 4.5 mm, outer diameter d ₂ = 1.
There is something like 3 mm.

[0003] In order to perform sorting and exclusion based on such a small difference in the thickness t of the head H, a mechanical sorting means that has been frequently used in the past, for example, a method using an attachment like a limit gauge is used. is there. Alternatively, there is a method in which the component S conveyed by the two-dimensional image sensor is imaged instead of the mechanical means, and the output of the component S is image-processed to measure the thickness t of the head H of the component S. Regarding the latter method based on image processing, that is, a method of determining the posture and orientation of a component, that is, the shape of the component, by imaging the transferred component by, for example, a CCD (Charge Coupled Device) camera and performing image processing, JP-A-6-23328 filed by application,
It is disclosed in Japanese Unexamined Patent Publication No. 6-100147.

[0004]

The method of selecting a small dimensional difference in the thickness t of the head H of the component S by the above-described attachment of the limit gauge is a method of passing through a space having a small clearance. The number of treatments per unit time is extremely reduced and is not practical. In addition, the image processing method can accurately measure the thickness t of the head H and can discriminate a small dimensional difference. In addition to the CCD camera, a detection circuit, a matching memory, and a template for comparison and comparison are used. Since an image processing apparatus including a memory, a determination circuit, and the like is required, and the discrimination mechanism greatly increases the cost of the selection device, there is a problem that it is difficult to apply to low-cost component selection.

SUMMARY OF THE INVENTION The present invention has been made in view of the above-described problems, and has been made in consideration of a problem in which a part including a head and legs extending downward from a central portion of a bottom surface thereof has a thickness exceeding a permissible upper limit. It is an object of the present invention to provide a component selection device that can be reliably removed by a simple mechanism.

[0006]

Means for Solving the Problems The above-mentioned object is achieved by the structure of claim 1. To explain the solution, the parts sorting apparatus of claim 1 is provided with a head and a central part of its bottom surface. In a component selection device for selecting and excluding a component comprising a leg portion extending downward and having a head thickness exceeding an allowable upper limit, the component is provided in a bowl of a vibrating parts feeder, and has a cross-section of a vertical angle. The part consists of an outer slope and an inner slope formed under the head, and the part of the bottom of the head that is on the outer side from the legs on the bottom is hooked on the outer slope, and the legs are attached to the inner slope. In the suspension truck which is suspended and transported along with, the one end surface of the columnar rotating body is substantially parallel to the outer peripheral side slope, and the center of the end surface is located on the extension surface of the inner peripheral side slope, and the outer peripheral side It is installed with a predetermined gap between the slope and the end face. A sorting part is provided by combining rotating bodies that rotate around the heart.Parts whose head thickness is less than the allowable upper limit value are transferred through the sorting part as is, but the head thickness is allowed. Is a component sorting device in which the top surface of the head comes into collision with the end face of the rotating body and is repelled and rejected from the suspended truck. Such a component selection apparatus can reliably remove a component whose head thickness exceeds the allowable upper limit value with a simple mechanism.

According to a second aspect of the present invention, there is provided a component selecting apparatus according to the second aspect, wherein the rotating body has an apex angle of substantially 90 degrees and the rotating body, when viewed from the suspension truck side, has an upper surface at the center of its axis. Is rotated in the component transfer direction, and the lower half is rotated in the opposite direction. Such a component selection device removes the head of the component in the direction of lifting upward from the suspension truck when a component whose head thickness exceeds the allowable upper limit value hits collisionally. According to a third aspect of the present invention, the rotating body is provided so as to be movable in the axial direction, and the size of the gap can be adjusted. Such a component selection device can be used for selecting components having different allowable upper limit values and different types of components, for which the head thickness exceeds the allowable upper limit value. According to a fourth aspect of the present invention, the rotary body includes a plurality of blades arranged at substantially equal angular intervals on an outer peripheral surface of the rotary body, and the rotary body is rotated by using the blast air blown to the blades as a driving source. Is what is done. In addition to lowering the cost of the drive source, such a component selection device
The rotation speed of the rotating body, that is, the kinetic energy imparted to the rotating body can be easily controlled by the ejection speed or air volume of the jet air. According to a fourth aspect of the present invention, the side surface of the blade is formed to be flush with the end surface of the rotating body. In such a component selection device, the side end surfaces of the blades also contact the top surface of the head of the component whose head thickness exceeds the upper limit value, and are used for both selection and exclusion. According to a fourth aspect of the present invention, a side wall is formed on both side surfaces of an outer peripheral portion of the rotating body defined by the blades as an end surface of the rotating body. Such a component selection device can use the blast air efficiently, and the top surface of the head of the component whose side wall thickness exceeds the upper limit value contacts the side wall, and can be used for selection and exclusion.

According to a seventh aspect of the present invention, there is provided a component sorting apparatus according to the first aspect, wherein an air ejection nozzle is provided downstream of the sorting section toward a head of the component to be transferred by the suspension truck. If a stagnation is detected during the transfer of the parts, air is blown out, the parts are blown off from the suspension truck, and the supply of the parts to the downstream part is interrupted. Such a part sorting apparatus prevents troubles such as transfer clogging or overflow of parts in the downstream part. According to an eighth aspect of the present invention, the top surface of the head of the component to be sorted has a hemispherical shape. With such a component selection device, the head of the component whose head thickness exceeds the allowable upper limit value easily enters the gap between the outer peripheral slope of the suspension truck and the end surface of the rotating body, so that component selection and elimination are efficient. Proceed to The component sorting apparatus according to claim 9 is dependent on claim 1, wherein the transfer of the components in the suspension truck is performed by the vibration frequency of 200 to 30 in the bowl.
This is performed by giving a vibration of 0 Hz, an amplitude of 0.05 to 0.1 mm, and a vibration angle of about 10 degrees. Such a component sorting device enables sorting with high accuracy based on a minute difference in the thickness of the head of the component.

[0009]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS A parts sorting apparatus according to an embodiment of the present invention is provided on a bowl of a vibrating parts feeder, and has an outer peripheral side slope formed at an apex angle of approximately 90 degrees with a cross section having a mountain shape. A part consisting of an inner peripheral slope, the part of which is located on the outer peripheral side of the bottom surface of the head from the legs on the outer peripheral slope, and suspended and transferred with the legs attached to the inner peripheral slope. In the truck, one end face of the columnar rotating body is substantially parallel to the outer slope, the center of the end face is positioned on the extension face of the inner slope, and a predetermined distance is provided between the outer slope and the end face of the rotating body. A rotating body that is installed with a gap and that is rotated about the axis, preferably the upper half of the end face in the component transfer direction and the lower half There is a sorting unit that combines rotating bodies that are rotated in the opposite direction, and the center of the head and its bottom surface For the part consisting of the legs extending downward from the minute, the part whose head thickness is less than the allowable upper limit value is transported as it is through the sorting unit, but the head thickness exceeds the allowable upper limit value. The parts to be exceeded are a part sorting device in which the top surface of the head is repelled by collision with the end surface of the rotating body and rejected from the suspended truck.

A motor can be used as a drive source for rotating the columnar rotating body. A method in which axial blades are attached to the outer peripheral surface of the rotating body at equal angular intervals, and blown air is blown to the blades to rotate the rotating body. However, it is mechanically simple, and adjustment of the rotation speed of the rotating body is also easy. Parts whose head thickness exceeds the allowable upper limit value are repelled by contacting the top surface of the head with the end face of the rotating body, and the repelling energy is determined by the kinetic energy of the rotating body ( 1/2) is a · MV ^2. Here, M is the mass of the rotating body, and V is the speed. When the head of the component comes into contact with the peripheral edge of the end face of the rotating body, its speed V is substantially equal to the circumferential speed of the rotating body. In this sense, when the blade is attached to the rotating body and the side end surface of the blade is formed as the same plane as the end surface of the rotating body, the component is most likely to come into collision with the tip of the blade. You will be given great kinetic energy. Kinetic energy (1 /
2) · mv ² is equal to the kinetic energy of the rotating body assuming that there is no transmission loss. Here, m is the mass of the part, and v is the initial velocity when the part is skipped. (1/2) · MV ² = (1/2) · mv ² Therefore, whether the material which is one factor of the mass M of the rotating body is metal or synthetic resin is determined by the mass (material, Volume). Further, the magnitude of the energy to be repelled can be easily adjusted by increasing or decreasing the rotation speed V of the rotating body, that is, the ejection speed or air volume of the air blown to the blade.

The size of the gap between the outer peripheral slope of the suspension truck and the end surface of the rotating body is set by the upper limit of the allowable thickness of the head of the part, and governs the criteria for selecting parts. As an important factor, for example, if the standard value of the head thickness is 1.3 mm and the upper limit of the allowable value is 1.4 mm, the gap size is set to 1.45 mm. Due to such a gap, parts having a head thickness of 1.4 mm or less pass through the sorting unit, and parts exceeding 1.4 mm are reliably sorted.
Can be eliminated. Of course, it is also possible to select such that the upper limit of the allowable value is 1.35 mm with respect to the standard value of the head thickness of 1.3 mm. In this case, the size of the gap is set to 1.4 mm. You. In order to make such sorting possible, in a vibrating parts feeder constituting a parts sorting apparatus, a vibration frequency of 200 to 300 Hz and an amplitude of 0.0
It is preferable to apply a vibration of a high frequency and a small amplitude of 5 to 0.1 mm and a vibration angle of about 10 degrees to the bowl.

Hereinafter, the whole of a component sorting apparatus according to an embodiment of the present invention will be specifically described with reference to the drawings.

FIG. 2 is a partial cutaway side view of the component selection device 1 for selecting and supplying the component S, and FIG. 3 is a plan view thereof. That is, the component selection device 1 is manufactured based on a torsional vibration parts feeder, and includes a bowl 21 that accommodates the components S and discharges the components S in a vertical position, and a drive unit 11 that applies torsional vibration to the components. In the drive unit 11 shown in FIG. 2, a movable block 12 to which a bowl 21 is integrally fixed and a lower fixed block 14 are connected by inclined leaf springs 13 arranged at equal angular intervals. An electromagnet 16 around which a coil 15 is wound is provided on the movable block 14 so as to face the movable core 12c on the lower surface of the movable block 12 with a slight gap. The drive unit 11 is surrounded by a soundproof cover 17,
It is installed on the floor via a vibration isolating rubber 18. And
In order to select a small dimensional difference of the thickness t of the head H of the part S, the coil 15 is controlled by an inverter controlled 250 to 30.
Although a high frequency of 0 Hz is applied, in this embodiment, a frequency of 230 Hz close to the resonance frequency of the bowl 21 is applied, and the bowl 21 has a vibration angle of about 10 degrees in a clockwise direction.
A torsional vibration having an amplitude of 0.05 to 0.1 mm is applied, and the part S is transferred at a transfer speed of about 30 mm / sec.

In the bowl 21, referring to FIG.
A belt-like truck 24 having a starting point 24 s around the bottom surface 22 (shown intermittently in FIG. 3 for simplicity) in which a large number of parts S are stored in a lying position is provided.
It is formed so as to rise spirally along the inner surface of the first peripheral wall 23 and serves as a transfer path for the parts S. The truck 24 is inclined slightly downward from the center of the bowl 21 toward the outside of the radius, and receives the centrifugal force component of the transfer force due to the torsional vibration, so that the part S comes into contact with the inner surface of the peripheral wall 23 in the reclined posture. Is transferred to On the outer peripheral side of the bowl 21, an outer peripheral ring 30 is externally attached almost over the entire periphery. As will be described later, the outer peripheral ring 30 is fixed according to various shapes of tracks and a sorting mechanism fixed thereon. height,
It has a different shape. In addition, with reference to FIG. 4, which is a cross-sectional view taken along the line [4]-[4] in FIG.
Slots 25h and bolts 25 are provided on the upper surface of the peripheral wall 23 of the bowl 21.
b, an optical sensor 26 is attached to a support 25 in which the radial position of the bowl 21 is adjustable so as to be adjustable.
The light of the optical axis k is radiated to the peripheral portion of the bottom surface 22 of the device 1 and the reflected light is received. That is, unlike the reflected light from the planar bottom surface 22, the reflected light from the curved component S is irregularly reflected, so that the reflection intensity is small. The optical sensor 26 monitors the reflected light having a small reflection intensity from the component S, and when the reflected light is interrupted for a predetermined time or more and the shortage of the component S is detected, the component S is replenished (not shown). Done.

Referring back to FIG. 3, while the truck 24 is being lifted, the wiper 2 is fixed to the outer surface of the peripheral wall 23 of the bowl 21.
7 are installed, and are overhanged above the track 24 so that only the non-overlapping parts S can pass below. The overlapping parts S are guided to the bottom surface 22 side of the bowl 21 by the wiper 27 oblique to the transport direction of the truck 24. Also, the wiper 27
A fast-moving gate 41 is provided on the downstream side. Referring also to FIG. 5 which is a cross-sectional view taken along the line [5]-[5] in FIG. 3, in the quick-start gate 41, a support column 42 is fixed to a surface 32 obtained by cutting down the surface 31 of the outer peripheral ring 30. A turning plate 44 attached to the column 42 with a knob screw 43 extends above the discharge groove 46. A gate block 45 is attached to the tip of the gate block 45 with bolts 45b.
A part of the peripheral wall 23 and the track 24 is cut away so that 5w becomes a part of the peripheral wall 23 of the bowl 21. Then, in FIG. 3, the part S is removed from the truck 24 by discharging the groove 46 by loosening the knob screw 43 and rotating the gate plate 44 counterclockwise together with the gate block 45.
And discharged outside the system. Note that the early delivery gate 41 is not used during normal operation, and is for taking out the parts S remaining on the bottom surface 22 at the time of, for example, product type switching, at the end of work, or at other irregular times.

Immediately downstream of the gate 41,
The peripheral wall 23 is cut off on the downstream side from the end point 23e, and with reference to FIG. 6 which is a cross-sectional view taken along the line [6]-[6] in FIG. The surface 47 is formed in an arc shape. The introduction surface 47 is for guiding the component S to the surface 52 of the track block 51 fixed on the outer ring 30.
The component S is formed on the surface 52 as described later.
The arc-shaped round gutter track 54 is transferred to the downstream side.
The track block 51 is provided with a side wall 53 fixed to the outer peripheral surface of the outer peripheral ring 30 with bolts 53b to prevent the component S from deviating from the surface 52 of the track block 51.

Referring to FIG. 7, which is a cross-sectional view taken along the line [7]-[7] in FIG. 3, the movable surface 47 has an arc-shaped lead-out surface 47 whose position in the circumferential direction is adjustable. A barrier 48 is provided, and as shown in FIG. 3, the part S is guided to the surface 52 of the track block 51 with the inclined end surface 49 on the upstream side of the movable barrier 48 as the end on the bowl 21. The position of the movable barrier 48 controls the flow of the component S from the track 24 to the surface 52 of the track block 51, in other words, the distribution of the component S to the two round gutter tracks 54. That is, the movable barrier 48 has a long hole 48h formed in the circumferential direction.
And bolts 48 implanted in the periphery of the bowl 21
The movable barrier 48 is fixed in a preferred position by b. The movable barrier 48 shown in FIG. 3 shows a case where the movable barrier 48 is located at the most downstream side, and can be moved to the position shown by a chain line to the upstream side.

Referring to FIG. 7 and FIG. 8 which is a cross-sectional view taken along the line [8]-[8] in FIG. 3, two round gutter tracks 54 formed by end milling are formed on the surface 52 of the track block 51. Are formed. The round gutter track 54 has a width that allows the part S in the reclined position to enter alone, and has a maximum depth of 1.5 mm from the surface 52. Then, the component S is transferred on the round gutter truck 54 with the head H or the leg L at the top.

At the downstream end of the round gutter track 54, an attitude conversion unit 60 for suspending the part S in an inclined attitude is connected. That is, the track blocks 61A and 61B are integrally mounted on the outer peripheral ring 30, and the parts S are changed from the lying position to the suspended position by the suspended tracks 64A and 64B formed thereon. I have. FIG. 9, which is a cross-sectional view taken along the line [9]-[9] in FIG. 3, shows two suspension tracks 64A.
The upper surface of the track block 61A has a V-shaped cross section at a position aligned with the upstream round gutter track 54, and has an opening angle 120 between the outer peripheral slope 62u and the inner peripheral slope 62v.
A V-shaped groove 62 is formed, and a bottom-opening inclined groove 63 inclined from the inner peripheral side inclined surface 62v to the inner peripheral side of the bowl 21 is formed. That is, the leg L of the component S is inserted into the opening of the inclined groove 63, and the head H is hooked.
The width of the part S is 7 mm, and the part S is converted into the suspended posture in which the leg L is inserted into the inclined groove 63 and the head H is supported. The outer peripheral side wall 63a of the inclined groove 63 is inclined at 45 degrees on the downstream side so as to add the leg L, and the bottom surface 6a is perpendicular to the outer peripheral side wall 63a.
3c has a depth of 6.5 mm and a width of 5 mm so that the inner peripheral side wall 63b and the bottom surface 63c of the inclined groove 63 do not hinder the free movement of the leg L of the component S when the posture is changed. ing. Further, a vertical hole 65 penetrating downward from the bottom of the inclined groove 63 through the track block 61A and the outer peripheral ring 30 is formed so as to remove foreign matter, for example, cutting chips accompanying the component S.

FIG. 10, which is a cross-sectional view taken along the line [10]-[10] in FIG. 3, shows a suspended track 64B following the suspended track 64A, but includes a track block 61B.
The inclined groove 6 of the same shape follows the inclined groove 63 on the upstream side.
6 is formed, the outer peripheral side slope 62u of the V-shaped groove 62 on the upstream side is cut down, and is perpendicular to the outer peripheral side wall 66a following the outer peripheral side wall 63a on the upstream side, from the leg L on the bottom surface of the head H. A hook surface 66d for hooking a portion on the outer peripheral side is formed.

A suspension truck 74 is connected to the downstream side of the track block 61B. [11] in FIG.
Referring to FIG. 11 which is a cross-sectional view taken along the line [11], the suspension track 74 is shifted while the parts S in the suspension track 64B of the upstream track block 61B maintain the suspension posture. As shown, the cross section is pentagonal and vertex angle is 9
The part S is formed into a square rod shape having an outer slope 74q and an inner slope 74r under a 0-degree ridge line 74p. It is hooked on the slope 74q, and is transported in a suspended posture in which the legs L are attached to the inner peripheral side slope 74r. The suspension track 74 is formed in an arcuate shape as a whole, and is supported at its upstream end and downstream end. At the upstream end, a bolt 74b from the bottom side is provided on the outer peripheral ring 30. Has been fixed by. In addition, the inner and outer peripheral sides of the two suspended trucks 74 are recirculated for returning the dropped parts S into the bowl 21 without being successfully transferred from the suspended truck 64B to the suspended truck 74. The road 72a is set. For this purpose, a return path forming member 71 is attached to the outer peripheral side of the outer peripheral ring 30 with bolts 71b, and a return path 72a for the component S that falls further from the outer peripheral suspension track 74 to the outer peripheral side is formed. .

Referring also to FIG. 12, which is a cross-sectional view taken along the line [12]-[12] in FIG. 3, below the two rectangular rod-shaped suspension tracks 74, three upstream recirculations are provided. Road 7
The return path 2a is collectively formed as a return path 72 whose level is lowered, and a through hole 28 is formed in the periphery of the bowl 21 in the middle of the return path 72. In addition, a joint 75j of the compressed air pipe is screwed to a mounting member 35 fixed to the outer peripheral side of the outer peripheral side return path forming member 71 facing the through hole 28, and penetrates the return path forming member 71 from the joint 75j. The air ejection nozzle 75 is attached. Then, air is always jetted from the air jet nozzle 75, and the component S on the return path 72 is returned from the through hole 28 into the bowl 21.

FIG. 13 is a cross-sectional view taken along the line [13]-[13] in FIG. 3. FIG.
0, but also with reference to FIG. 3, a rotating body 85 and air serving as a driving source for rotation are mounted on a frame 81 fixed to the upper surface of the peripheral wall 23 of the bowl 21 and the outer peripheral surface of the outer peripheral ring 30 with the side wall 33 interposed therebetween. A jet nozzle 88 is attached to each of the two suspension tracks 74. Note that the inner suspension track 74 shows the related members of the rotating body 85, and the outer suspension track 74 shows the related members of the air ejection nozzle 88 by partially breaking the rotating body 85. . That is, the elongated hole 8 is formed on the downstream surface of the traversing portion of the frame 81.
The mounting member 83 having 3 h
It is attached at an inclination of 5 degrees, and its position can be adjusted by a long hole 83h and a bolt 83b inserted therethrough.
A rotating body 85 is attached to the mounting member 83 via a roller bearing 84. Referring to FIG. 14, which is a view taken in the direction of the arrow [14]-[14] in FIG. Six blades 86 are attached at equal angular intervals on the outer peripheral surface of the. Rotating body 85 and blade 8
6 is made of stainless steel, the outer dimensions of the cylindrical rotating body 85 are outer diameter × width = 7 mm × 6 mm, and the approximate outer dimensions of one blade 86 are height × width × thickness. Size = 3mm x 6
mm × 1.5 mm, so that about の of the weight of the roller bearing 84 rotates, and １ ／ of the roller bearing 84 and the weight of the rotating body 85 are approximately 1.6.
g, the weight of the six blades 86 is about 1.3 g, and about 2.9 g is rotated as a whole. By the way, part S
Weighs approximately 0.2 g.

A mounting member 87 also having a long hole 87h is attached to the upstream surface of the traversing portion of the frame 81 at a 45-degree inclination by a bolt 87b, and the long hole 87h and the bolt 87b passing therethrough are attached. And the position can be adjusted. Then, an air ejection nozzle 88 that emerges from a joint 88j screwed to the mounting member 87 is connected to the air jet nozzle 88 shown in FIG.
Referring to FIG. 4 as well, the rotating body 85 is attached to the blade 86 of the rotating body 85. In a steady state, air is constantly blown out to rotate the rotating body 85. The rotation speed of the rotating body 85 is about 10 rotations / second. That is, the outer peripheral edge of the end face 85m of the cylindrical rotating body 85 rotates at a peripheral speed of 2.0 to 2.2 cm / sec. FIG. 14 shows a case where a pair of opposing blades 86 are in a positional relationship parallel to the suspension track 74. FIG. 15 is a view similar to FIG. 14, showing a case where the rotation angle position of the rotating body 85 is different and a pair of opposing blades 86 is at a position orthogonal to the suspension track 74. 14 and 15, the rotating body 85 is
Referring to FIG. 13, it is rotated clockwise as viewed from the suspension truck 74 side. The side end surface 86m of the blade 86 is formed so as to be the same as the end surface 85m of the rotating body 85.

The suspension truck 74 shown in FIG.
The size of the gap G between the outer peripheral side inclined surface 74q and the end surface 85m of the rotating body 85 is set to a value slightly larger than the allowable upper limit of the thickness t of the head H of the component S. For example, in the present embodiment, the standard value of the thickness t of the head H of the component S is 1.3 mm.
Is set to 1.4 mm, the size of the gap G is set to 1.45 mm. Therefore, among the parts S suspended and transported by the suspension truck 74, the parts S having the thickness t of the head H of 1.4 mm or less have the top surface of the head H in contact with the end surface 85 m of the rotating body 85. Component S, which passes through as it is, without the thickness H of the head H exceeding 1.4 mm
The top surface of the head H is the end surface 85m of the rotating body 85 or the blade 8
6 comes into collision with the side end surface 86m. FIG. 14A shows a part S in which the thickness t of the head H is equal to or less than the allowable upper limit without the top surface of the head H contacting the side end surface 86m of the blade 86 or the end surface 85m of the rotating body 85 in the gap G. FIG. 14B shows a part S ′ in which the thickness t of the head H ′ exceeds the allowable upper limit, and the top surface of the head H ′ has a side end face 86 m at the tip end of the blade 86. This shows a situation in which it is repelled by contact with and is eliminated. Note that the thickness t of the head H ′ is equal to the gap G.
If there is a larger part S ′, the tip of the head H ′ is lifted in contact with the outer peripheral surface of the rotating body 85, or is scooped up by the blade 86, and the head is slightly changed in direction. The top surface of the portion H ′ mainly comes into contact with the end surface 85 m of the rotating body 85 and is repelled. 15A shows a state in which a part S whose thickness t of the head H is equal to or less than an allowable upper limit value passes through the gap G without the top surface of the head H contacting the end surface 85m of the rotating body 85. And FIG.
Indicates a situation in which the top surface of the head H 'contacts the end surface 85m of the rotating body 85 and is repelled and rejected for the component S' in which the thickness t of the head H 'exceeds the allowable upper limit value.

14 and 15 show that the side end surface 86m of the blade 86 is flush with the end surface 85m of the rotating body 85, and the blade 86 is used not only for rotating the rotating body 85 but also for contacting and eliminating the component S. FIG. 16 is a view showing a case where the side end surface 86m 'of the blade 86' is inside the end surface 85m 'of the rotating body 85' and the blade 86 'is used only for rotation. That is, in FIG. 16A, the parts S having the thickness t of the head H equal to or less than the allowable upper limit value pass through the gap G without the top surface of the head H contacting the end surface 85m ′ of the rotating body 85 ′. FIG. 15B shows a state in which the top surface of the head S ′ of the part S ′ in which the thickness t of the head H ′ exceeds the allowable upper limit is in contact with the end surface 85 m ′ of the rotating body 85 ′. This shows a situation where the player is repelled and eliminated.

As described above, the end face 85m of the rotating body 85,
The size of the gap G between the suspension track 74 and the outer peripheral side slope 74q has a dominant importance in selecting and excluding the parts S according to the thickness t of the head H. A gap gage or a gauge block having a thickness corresponding to the thickness of the head H to be eliminated is sandwiched in the gap G, and the mounting portion 8
3 is performed by tightening a bolt 83b that passes through the long hole 83h of the third component S.
The thickness t of the head H is actually measured, and the size of the interval G is finely adjusted. In FIG. 13, a recirculation path 79a is located below the part S, which is sorted and eliminated by the sorting and eliminating unit 80, where it falls.

Downstream of the sorting / eliminating section 80, the blow-down section 9
0 is provided. [17]-[17] in FIG.
Referring to FIG. 17 which is a cross-sectional view in the line direction,
A mounting member 97 having a long hole 97h is vertically mounted on the downstream surface of the traversing portion of the frame 91 similar to the frame 81 of No. 0, and the position is adjusted by the long hole 97h and the bolt 97b inserted therethrough. It is possible. An air jet nozzle 98 coming out of a joint 98j screwed to the attachment member 97 is directed to the head H of the component S to be transferred on the suspension truck 74, and is not shown on the downstream side of the component selection device 1. When stagnation is detected in the transfer of the parts S by the stagnation detection sensors installed in the two rows of supply chutes, the control unit that receives the signal causes the corresponding inner or outer air ejection nozzle 98 to eject air. Thus, the component S is blown down from the suspension truck 74 to the return path 79a, and the supply of the component S to the downstream side is blocked.

On the downstream side of the blow-down portion 90, referring to FIG. 18, which is a sectional view taken along line [18]-[18] in FIG. Subsequently, the return path 79b is formed at a lower level than the return path 79a. Further, a joint 76j of the compressed air pipe is screwed to the mounting member 36 fixed to the outer peripheral side of the outer peripheral ring 30 so as to face the through hole 29,
An air jet nozzle 76 is attached from the joint 76j through the side wall 33. The air is constantly jetted from the air jet nozzle 76, and the component S blown down to the return path 79b is returned from the through hole 29 into the bowl 21. Referring to FIG. 19, which is a cross-sectional view taken along the line [19]-[19] in FIG. 3, the downstream end of the return path 79b is formed high on the downstream side and the outer peripheral side, and the blown-down part S Is prevented from staying at the downstream end. In addition, a joint 77j of the compressed air pipe is screwed to a mounting member 37 fixed to the outer peripheral side of the outer peripheral ring 30, and an air jet nozzle 77 penetrating from the joint 77j through the side wall 33 to the through hole 29 is attached. The air is constantly blown out, and the components S at the downstream end of the return path 79b are returned into the bowl 21 without remaining.

At the downstream end of the suspension truck 74, a discharge unit 10 is provided.
0 is connected. That is, FIG. 2 and FIG.
With reference to 0, 21, and 22, track blocks 91A, 91B, and 91C are integrally mounted on the outer peripheral ring 30 in order, and are formed by linear vertical tracks 94A, 94B, and 94C formed thereon. The component S is changed from a tilted posture to a vertical posture.
FIG. 20, which is a cross-sectional view taken along the line [20]-[20] in FIG. 3, shows two vertical tracks 94A, and a track block 91A fixed to the outer peripheral ring 30 has two inclined tracks toward the outer peripheral side. Are formed parallel to the transfer direction, and the outer peripheral side wall of each inclined groove 92A has an acute-angle cross section whose height is aligned with the apex angle of the upstream suspension track 74. A vertical track 94A is formed by a 45-degree inclined outer peripheral side slope 94q aligned with the outer peripheral side slope 74q of the suspension truck 74 and a 65-degree inclined inner peripheral side slope 94r, with the pointed end as the ridgeline 94p. The inner peripheral side wall of the inclined groove 92A is formed to have a bulge 92Af so as not to hinder free swing of the leg L of the component S transferred from the suspension track 74. The mounting member 95 fixed to the upper surface of the track block 91A
A holding plate 96A for holding the head H of the component S is attached to each of the slopes on the outer peripheral side and the inner peripheral side of A.
It is possible to prevent the parts S from jumping out and disturbing the posture.

FIG. 21 shows [21]-[21] in FIG.
It is sectional drawing of a linear direction, and shows the cross section of the verticalization track 94B. Track block 9 fixed on outer ring 30
1B has a vertical groove 92B connected to the upstream inclined groove 92A.
The outer peripheral side wall has an inner peripheral side slope 94r of the upstream verticalized track 94A as a vertical surface, and the inner peripheral side wall of the vertical groove 92B has a head H of the component S. A hooking surface 94s for hooking a portion on the inner peripheral side of the leg L on the bottom surface is formed, and the component S is
The head H is transported in a vertical suspension posture supported from both sides by the p and the hanging surface 94s. A vertical holding plate 96C extending from the downstream verticalization track 94C holds the head H of the component S. FIG. 22 is a sectional view taken along the line [22]-[22] in FIG. 3 and shows the downstream end of the verticalized track 94C. That is, the track block 91 fixed on the outer peripheral ring 30
A vertical groove 92C is formed in C following the vertical groove 92B on the upstream side, and the retaining surface 94s on the inner peripheral side of the vertical groove 92B on the upstream side is kept as it is, without changing the support height of the component S. The support by the ridge 94p is replaced by the support by the horizontal hooking surface 94t. Then, the track block 91
A holding plate 96C extending onto the vertical track 94B on the upstream side is mounted on a mounting member 95C fixed to C, thereby preventing the component S from jumping out.

The component feeder 1 of the present embodiment is configured as described above, and its operation will now be described. 2 and 3, the drive unit 11 in the component selection device 1
The high frequency of 230 Hz is applied to the coil 15 of the electromagnet 16, the torsional vibration is given to the bowl 21 containing the component S, and the air ejection nozzles 75, 76 for recirculating the component S into the bowl 21. 77 and the rotating body 8
It is assumed that air is constantly jetted from the air jet nozzle 88 for rotating the nozzle 5, and the optical sensor 26 for monitoring the part S shown in FIG.

In the bowl 21 shown in FIG.
2 is subjected to torsional vibration and is moved to the peripheral portion, and is oriented and oriented in the direction indicated by the arrow m in a state in which a component having the head H at the top and a component having the leg L at the top are mixed. It is transported and rides on the track 24 from the starting point 24s and rises spirally. The part S is the wiper 2
7, the overlap is loosened to form a single layer, and the overlapped parts S that are not loosened and are prevented from being transported by the wiper 27 are guided by the wiper 27 and returned into the bowl 21. Then, the component S that has passed below the wiper 27
5 is transferred to the early exit gate 41 shown in FIG. 5, but is transferred to the downstream side slightly separated by being transferred in contact with the convex side surface 45 w of the gate block 45.

Referring to FIGS. 3 and 6, the component S that has passed through the rapid exit gate 41 has a horizontal lead-out surface 47 formed in an arc shape by removing the peripheral wall 23 and cutting down the surface of the truck 24. Outer ring 30 from inside bowl 21
The movement is made to the surface 52 of the upper track block 51. At this time, since the side wall 53 is provided in the track block 51, the component S does not overflow. And FIG.
Referring to FIG. 7 and FIG.
Are distributed and transferred to two round gutter tracks 54 formed on the surface 52. That is, the component S that has entered the outer round trough track 54 serves as a barrier for the following component S, and acts to allow the component S to enter the inner round trough track 54. When the track block 51 shifts to the surface 52, the component S is performed with the inclined end surface 49 on the upstream side of the movable barrier 48 provided on the arc-shaped lead-out surface 47 as the final end of the bowl 21. By adjusting the position of 48, the distribution ratio to the two round gutter tracks 54 is adjusted.

The parts S transferred through the round gutter truck 54 are:
The suspended trucks 6 formed on the track blocks 61A of the posture changing unit 60 connected to their downstream ends.
4A. That is, as shown in FIG. 9, both the part S transported with the head H at the top and the part S transported with the leg L at the top in a reclining posture are V-shaped with an opening angle of 120 degrees. It enters the groove 62 and its inner peripheral side slope 6
In the inclined groove 63 with the bottom opening formed in 2v, the leg L is inserted and the head H is hung, and the posture is changed to an inclined suspension posture. At this time, foreign matter, for example, cutting chips accompanying the component S falls through the vertical hole 65 formed downward from the bottom of the inclined groove 63 and is removed. Subsequently, the part S is transferred to the suspension track 64B shown in FIG. 10, and a hooking surface 66d formed in a similarly shaped inclined groove 66 following the upstream inclined groove 63, and a V-shaped groove 62 Inner circumferential slope 6
The head H is transported in a suspended posture supported from both sides by the slope 66v following 2v.

The part S having passed through the suspension truck 64B is transferred to a suspension truck 74 shown in FIG. The outer peripheral side slope 74q and the inner peripheral side slope 7 formed under a ridgeline 74p having a vertical angle of 90 degrees in cross section in the suspension truck 74.
4r is an outer peripheral side wall 66 of the upstream suspended track 64B.
a, and the parts S that are not smoothly transferred to the suspension truck 74 fall to the lower return path 72a. And FIG.
As shown in FIG. 2, the part S on the merging return path 72 is
The air constantly ejected from the air ejection nozzle 75 provided on the outer peripheral side is returned into the bowl 21 through the through hole 28 formed in the peripheral wall of the bowl 21.

Parts S to be transported by the suspended truck 74
In the selection elimination unit 80 provided in the middle, the parts S whose thickness t of the head H exceeds the allowable upper limit value are selected and eliminated. In the selection elimination unit 80, FIG.
Referring to FIGS. 14 and 15, a rotating body 85 having an end surface 85 m parallel to the outer peripheral side slope 74 q of the suspension truck 74 is rotated with a gap G therebetween, and the component to be transported by the suspension truck 74. In S, the head H reaches the gap G. The rotation direction of the rotating body 85 is clockwise as viewed from the component S side. The size of the gap G is finely adjusted to 1.45 mm with the allowable upper limit of the thickness t of the head H of the component S set to 1.4 mm. Head H
S whose thickness t is equal to or less than the allowable upper limit value
, The top surface of the head H ′ is the end surface 85 of the rotating body 85.
m, or collided with the side end surface 86m of the blade 86,
It is repelled by the kinetic energy of the rotating body 85 including the blades 86, is reliably eliminated, and falls to the lower return path 79a. The location where the top surface of the head H comes into contact is most often the outer peripheral portion of the end surface 85m of the rotating body 85 as shown in FIG. 15B, but as shown in FIG. The side end surface 86m is also a contact place. Since the peripheral speed of the tip of the blade 86 is close to the maximum, the kinetic energy received by the component S is also almost the maximum.

The part S that has passed through the selection elimination unit 80 is shown in FIG.
To the blow-off unit 90 shown in FIG. Part S is a part sorting device 1
In the case where the component S is steadily transported in two rows of supply chutes (not shown) on the downstream side, the component S passes through the blow-down unit 90 as it is, but stagnation of the component S is detected in any of the supply chutes. When detected by the sensor, the control unit to which the signal is input causes air to be blown out from the corresponding outer or inner circumferential air blowing nozzle 98 to blow down the part S from the suspension truck 74 to the return path 79a. , Shut off the supply to the downstream side. As shown in FIG. 18, the downstream side of the blow-down section 90 is a recirculation path 79 b whose level is lowered, and an outer peripheral ring is formed in a peripheral wall portion of the bowl 21 toward a through hole 29 formed from the upstream side. The blown-down parts S are returned into the bowl 21 by the air constantly jetted from the air jet nozzle 76 attached to the outer peripheral side of 30. Further, as shown in FIG. 19, the downstream end of the return path 79b is formed high on the outer peripheral side and the downstream side, so that the blown-down parts S do not stay at the downstream end, and The component S at the downstream end is returned to the bowl 21 without any remaining by the air constantly jetted from the air jet nozzle 77 provided on the outer peripheral side.

From the downstream end of the suspension truck 74, the part S is inserted into the inclined groove 9 in the track block 91A of the discharge unit 100.
Moved into 2A. As shown in FIG. 20, the part S is suspended and transferred by a vertical track 94A formed in the inclined groove 92A. That is, the base of the leg L on the bottom surface of the head H is supported by the ridge 94p aligned with the ridge 74p of the suspension truck 74 on the upstream side,
It is transported along the inner peripheral side slope 94r with a degree inclination. In the verticalized truck 94A, the component S has a head H
Is suppressed by the holding plate 96A, so that the component S does not jump out or disturb the posture. The component S that has passed through the verticalized track 94A is inserted into a vertical groove 92B shown in FIG.
It is moved inside and suspended and transferred by the verticalization track 94B formed in the vertical groove 92B. That is, the component S is supported from both sides of the head H by the ridge line 94p continuing from the upstream side and the hooking surface 94s formed in the vertical groove 92B, and has a vertical suspension posture, and extends from the downstream side. The head H is conveyed while being held down by the holding plate 96C. Then, the component S that has passed through the verticalization track 94B is moved into the vertical groove 92C shown in FIG. 22, and a locking surface 94s continuing from the upstream side and a locking surface 94 formed in the vertical groove 92C.
and from both sides of the head H, and the head H
Is stabilized by the holding plate 96C, is stabilized in a vertical posture, and is discharged from the downstream end. At this time, the discharging ability of the parts S of the parts sorting apparatus 1 is about 400 pieces per minute. The discharged components S do not include any components having a thickness t of the head H exceeding the allowable upper limit value, and the content rate of the components S to be sorted and eliminated is 0%.

The component sorting apparatus 1 according to the present embodiment is constructed and operates as described above. Of course, the present invention is not limited to this, and various modifications are possible based on the technical idea of the present invention. is there.

For example, in the present embodiment, the apex angle of the suspension truck 74 is set to approximately 90 degrees, but it is not a problem to set the vertical angle to less than 90 degrees. Further, when the rotation direction of the rotating body 85 is viewed from the suspension track 74 side, the upper half part of the end face 85m around the axis of the rotating body 85 is in the component transfer direction,
The lower half is made to rotate in the opposite direction, but if the shape of the head of the part or the cross-sectional shape of the suspension track easily removes the part in contact with the top surface of the head, the rotating body The direction of rotation of 85 may be the opposite direction.
Further, in the present embodiment, six blades 86 are provided on the rotating body 85, but the number of blades may be seven or more, or five or less. Further, the side end surface 86m of the blade 86 is
The blade 86 is set to the same surface as the end surface 85m of
5 and the elimination of the contacting part S, but as shown in FIG. 16, the side end face 86m 'of the blade 86' is used.
Is shifted inward from the end face 85m 'of the rotating body 85',
The blade 86 'may be used only for driving the rotating body 85'. In that case, as shown in FIG.
The part S 'in which the thickness t of the head H' exceeds the allowable upper limit value is repelled by coming into contact with the end face 85m 'of the rotating body 85'.
Further, with reference to FIG. 14, on both end surfaces of the rotating body 85, side walls 86 m connecting the side end surfaces 86 m of the adjacent blades 86 and having the same surface as the end surface 85 m of the rotating body 85 are provided. The space defined by 86 may be in the form of a water tank. As a result, the jet air can be used efficiently, and the sorting by collisional contact becomes more effective. Further, in the present embodiment, the shape of the blade 86 is a flat plate, but it may be a curved plate like a turbine.

In the present embodiment, the rotating body 85
The jet air is used as the driving source for the rotation of
The blades 86 may not be provided in 5 and may be driven by a motor. In the present embodiment, the rotating body 85 is made of stainless steel. However, the end face 85m is made of titanium in order to increase the resilience of the parts S which come into contact with each other in collision, and is roughened in order to increase the friction coefficient. Surfaces are also possible.

In the present embodiment, the rotating body 85
Is cylindrical, but may be prismatic such as hexagonal prism. Further, in this embodiment, only one rotating body 85 is arranged on one suspension track 74, but it is also possible to arrange two rotating bodies in series to improve the processing capacity.

In this embodiment, the tapping screw S has been exemplified as a component to be sorted and eliminated. However, the component sorting device of the present invention may be used to separate components other than the tapping screw S, for example, by enclosing them in a columnar package and mounting the legs. Thyristors and condensers with the lead as a part drawn out in one direction,
Any component consisting of a head and legs extending downward from the center of the bottom surface can be selected by capturing a minute difference in the thickness of the head, and the type of the component is not limited. Of course, the leg may be a single leg or a plurality of legs. Further, in the present embodiment, a component S (tapping screw) having a hemispherical top surface of the head H is illustrated as an object to be selected, but the component selection device of the present invention has a flat top surface such as a flathead screw. Can be selected based on minute differences in head thickness.

Further, in the present embodiment, the parts are transferred by applying torsional vibration to the bowl of the vibrating parts feeder constituting the parts selection device, but the parts may be transferred by elliptical vibration.

[0046]

The component sorting apparatus of the present invention is embodied in the form described above, and has the following effects.

According to the first aspect of the present invention, a component having a head having a thickness equal to or less than an allowable upper limit value is selected for a component including a head and a leg extending downward from a central portion of a bottom surface thereof. A part whose head thickness exceeds the allowable upper limit value is repelled by the top surface of the head in collision with the end surface of the rotating body, and is rejected from the suspended track. That is, it is possible to sort out parts having a slight difference in the thickness of the head with a simple mechanism, with high accuracy and high processing speed.

According to the component selection device of the second aspect, since the suspended truck has a vertical angle of approximately 90 degrees, the components are stably suspended, and the suspended truck rotates when viewed from the suspended truck side. The upper half of the end face of the rotating body is rotated in the component transfer direction and the lower half is rotated in the opposite direction about the axis of the body.Therefore, there are parts whose head thickness exceeds the allowable upper limit value. In the event of a collision contact, the head of the component is lifted upwards from the suspension track to facilitate removal. According to the component selection device of the third aspect, the rotating body is installed so as to be movable in the axial direction, and the gap between the outer peripheral side slope of the suspension truck and the end face of the rotating body can be adjusted. , Parts having different head thicknesses, parts having different allowable upper limits, and the like can be shared. According to the component selection device of the fourth aspect, the rotating body has a plurality of blades arranged at substantially equal angular intervals on the outer peripheral surface thereof, and the blast air blown toward the blades is used as the driving source, so The mechanism is low cost,
The control of the rotation speed is easy. According to the component selection device of the fifth aspect, the side end surface of the blade is formed on the same plane as the end surface of the rotating body, so that the blade is in contact with the top surface of the head of the component in addition to the rotation driving, and is selected. It can also be used for efficient sorting. According to the component selection device of the sixth aspect, since the side wall having the same surface as the end face is formed on the outer peripheral portion of the rotating body defined by the blade, the jet air can be used efficiently and the component can be selected. Is also effective.

According to the component selection device of the seventh aspect, the air ejection nozzle is disposed downstream of the selection section toward the head of the component to be transferred by the suspension truck, and the downstream side of the component selection device. If a stagnation is detected in the transfer of the parts, the air is blown out to blow down the parts from the suspension truck and cut off the supply to the downstream part, so that troubles such as transfer clogging can be prevented beforehand. According to the component selection device of claim 8, since the top surface of the head of the component to be sorted is hemispherical, the component whose head thickness exceeds the allowable upper limit value has the head of the suspension truck. Parts can be easily entered into the gap between the outer peripheral side slope and the end face of the rotating body, and the selection and elimination of parts can proceed efficiently. According to the component selection device of the ninth aspect, the component is transferred to the bowl of the vibration feeder at a vibration frequency of 200 to 300 Hz and an amplitude of 0.0.
5 to 0.1 mm, vibration angle of about 10 degrees, and is performed by giving a vibration of a small amplitude at a high frequency, a simple mechanism for sorting based on a small difference in the thickness of the head of the component, And with high accuracy.

[Brief description of the drawings]

FIG. 1 is a side view of a tapping screw to be sorted.

FIG. 2 is a partially cutaway side view of the component selection device.

FIG. 3 is a plan view of the same.

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.

9 is a sectional view taken along the line [9]-[9] in FIG.

FIG. 10 is a sectional view taken along the line [10]-[10] in FIG. 3;

11 is a sectional view taken along the line [11]-[11] in FIG.

12 is a sectional view taken along the line [12]-[12] in FIG.

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

14 is a view taken in the direction of the arrows [14]-[14] in FIG. 13, where A indicates passage of a normal part, and B indicates selection and exclusion of an irregular part.

FIG. 15 is a view similar to FIG. 14 in which the rotation position of the rotating body is different, wherein A shows passage of a regular part, and B shows selection and elimination of a irregular part.

FIG. 16 is an arrow view similar to FIG. 14 when a blade is provided on the rotating body only for rotation.

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

18 is a sectional view taken along the line [18]-[18] in FIG.

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

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.

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

[Explanation of symbols]

 REFERENCE SIGNS LIST 1 parts selection device 11 drive unit 21 bowl 24 track 54 round groove track 60 attitude conversion unit 74 suspension track 80 selection elimination unit 84 roller bearing 85 rotating body 86 blade 88 air ejection nozzle 90 blow-off unit 100 discharge unit

Claims (9)

[Claims] 1. A component selection apparatus for selecting and excluding a component having a head having a thickness exceeding an allowable upper limit value from a component including a head and a leg extending downward from a central portion of a bottom surface thereof. Provided in the bowl of the feeder, the cross section is formed of an outer slope and an inner slope formed under a mountain-shaped apex angle, and the part where the part is on the outer side from the legs on the bottom surface of the head is described above. The end surface of the suspension track, which is hung on the outer peripheral slope and is suspended and transported with the legs attached to the inner peripheral slope, with one end surface of the columnar rotating body being substantially parallel to the outer peripheral slope. Is positioned on an extension surface of the inner peripheral side slope, and is disposed with a predetermined gap between the outer peripheral side slope and the end surface, and further, the rotation is performed about its axis. The sorting part is provided by combining the body, and the thickness of the head is allowed Parts that are less than the limit value are transferred through the sorting section as they are, but parts whose head thickness exceeds the allowable upper limit value repel the top surface of the head in collision with the end face of the rotating body. A parts sorting apparatus, wherein the parts are skipped and removed from the suspended truck. 2. The method according to claim 2, wherein the apex angle is substantially 90 degrees, and the upper half of the end surface of the rotating body is arranged such that the upper half of the end face of the rotating body is positioned downward in the component transfer direction when viewed from the suspension track. 2. The component sorting apparatus according to claim 1, wherein the halves are rotated in opposite directions. 3. The component sorting apparatus according to claim 1, wherein the rotating body is installed so as to be movable in an axial direction, and the size of the gap can be adjusted. 4. The rotating body according to claim 1, wherein the rotating body includes a plurality of blades arranged at substantially equal angular intervals on an outer peripheral surface thereof, and the rotating body is rotated by using a jet air blown to the blades as a driving source. Parts sorting equipment. 5. The component sorting apparatus according to claim 4, wherein a side end surface of the blade is formed to be flush with an end surface of the rotating body. 6. The component sorting apparatus according to claim 4, wherein a side wall is formed on an outer peripheral portion of the rotating body defined by the blade so as to be flush with an end surface of the rotating body. 7. An air ejection nozzle is provided downstream of the sorting section toward a head of a component to which the suspension truck is transferred, and when a stagnation is detected in the transfer of the component in the downstream portion. 7. The parts sorting apparatus according to claim 1, wherein air is blown out, parts are blown down from the suspension truck, and supply of parts to a downstream part is shut off. 8. The component sorting apparatus according to claim 1, wherein a top surface of a head of the component has a hemispherical shape. 9. The transfer of parts in the suspension truck causes the bowl to have a vibration frequency of 200 to 300 Hz and an amplitude of 0.
9. The component sorting apparatus according to claim 1, wherein the component sorting is performed by giving a vibration having a vibration angle of 0.5 to 0.1 mm and a vibration angle of about 10 degrees.