JPH0872819A - Aligning machine for part - Google Patents

Abstract

PURPOSE: To simplify processing and assembling and to mainiaturize a device by constituting the device of an oscillating part for oscillating an aligning part and a vibration part for vibrating the aligning part and providing irregularities for changing the positions of parts in the aligning part to efficiently align the parts by oscillation and vibration. CONSTITUTION: A pin 12 provided on an eccentric member 9 on the axial end of a motor 10 is moved vertically in a slit of a joint 7 by the rotation of the motor 10 to rapidly oscillate, that is, vibrate an aligning part 14 about an axis 11a provided in an oscillation part base 11, while the aligning part 14 is, at the same time, caused to oscillate about an axis of a motor 1 which repeats normal and reverse rotation within a predetermined angles. And screws 2 are reciprocated in the part 14 by the differences in height caused by the vibration and oscillation of the part 14. The screws 2 which have been given reciprocating motion are oriented in a specific direction so as to be easily put into part aligning holes 4 by the mutual actions of the vibration of the part 14 and irregularities 6 on a pallet 3. As a result, simplification of processing and assembling and miniaturization of the device can be achieved.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a parts aligning machine used for aligning and supplying parts such as minute screws having a short length under the neck.

[0002]

2. Description of the Related Art Conventionally, for example, an invention disclosed in Japanese Patent Laid-Open No. 60-87118 is known as a parts aligning machine having a function of changing the attitude of parts. The component aligning machine described in the publication discloses an aligning unit including a pallet having a large number of component aligning holes, a component collecting unit that is a temporary retreat place for unaligned components, a swinging unit that swings the aligning unit, and an aligning unit. And a vibrating part for vibrating the part, and an air outlet is provided at the part passing part of the part collecting part so that when the part passes through this part, air is blown to the part to easily change the posture of the part. It is configured to do.

[0003]

However, in the above-described conventional parts aligning machine, an air supply path for blowing out compressed air must be provided, and the parts aligning machine is driven by pneumatic pressure. In that case, there is a problem in that it is necessary to newly install an additional device for compressing and supplying air, which causes an increase in manufacturing cost such as processing and assembling of a parts aligning machine and an increase in size of the device.

Therefore, the present invention has been made in view of the above problems, and an object of the present invention is to provide a parts aligner having a function of changing the attitude of parts, which enables simplification of processing and assembly and downsizing of the apparatus. To do.

[0005]

In order to achieve the above object, the present invention relates to a parts aligning machine for aligning parts in a large number of parts aligning holes provided on the upper surface of a pallet, in which temporary parts that are not aligned with the pallet are temporarily placed. An aligning unit including a component collecting unit that is a retreat, a swinging unit that swings the aligning unit, and a vibrating unit that vibrates the aligning unit, and components for efficiently aligning the components by the swinging and the vibration. Is provided in the pallet or the component collecting section in the aligning section.

[0006]

According to the present invention, while the parts move between the parts collecting part and the pallet in the aligning part, the parts undergo a posture change in a specific direction due to the vibration action of the vibrating part and the swinging motion of the swinging part. The parts can be easily aligned with the part alignment holes.

[0007]

Embodiments of the present invention will be specifically described below with reference to the drawings. In each of the embodiments, common points will be denoted by common reference numerals and corresponding description will be omitted.

[0008]

Embodiment 1 FIGS. 1 to 7 show Embodiment 1 of the present invention,
1 is a perspective view of a parts aligning machine of the present invention, FIG. 2 is a perspective view of a mechanism for vibrating an aligning portion, FIG. 3 is a front view of a mechanism for swinging the aligning portion, FIG. 4 is a side view of FIG. 3, and FIG. 7 to 7 show a plan view and a side view of an example in which various grooves are formed on the pallet surface.

As shown in FIG. 1, the aligning portion 14 is formed by forming the pallet 3 and the component collecting portion 5 on the bottom surface of a bottomed box body 16 whose upper side is opened, and the box body 16 has both end surfaces thereof. Are supported by being fixedly attached to one end of the joint 7. Then, the other end of the joint 7 is swingably connected to a swinging portion 15 which is arranged directly below the aligning portion 14.

The swinging portion 15 rotatably supports the joint 7 on both end faces of the swinging portion base 11 via shafts 11a. Further, the motor 10 is fixed to the rocking part base 11, and the eccentric member 9 attached to the shaft of the motor 10 is provided with the pin 12 at the eccentric position as shown in FIG.
2 is movably fitted in a slit 8 formed in the middle of the joint 7, and the slit 8 is formed by rotation of a motor 10.
By vertically moving the inside, the alignment portion 14 is configured to be swung or vibrated rapidly about the shaft 11a.

Further, as shown in FIGS. 3 and 4, a shaft of a motor 1 which is rotatable in forward and reverse directions is fixed to one side surface of the rocking part base 11 in the rocking part 15, and the aligning part 1 is arranged.
4 is configured to be capable of swinging together with the swinging part base 11 at a swinging angle α around the axis of the motor 1.

Also, the pallet 3 has a large number of component alignment holes 4
The number of irregularities 6 corresponding to the row of the component alignment holes 4 is provided, and the irregularities 6 are formed in a direction that matches the direction of the screws 2 in which the screws 2 easily fit in the alignment holes 4. As a method of forming the unevenness 6, there is one as shown in FIGS. 5 to 7.
The pallet 3a shown in FIG. 5 shows an example in which streak-like grooves 6 are provided between the rows of the alignment holes 4 along the swinging direction. Pallet 3 in Figure 6
Reference numeral b shows an example in which a line-shaped groove 6 is provided at the position of the row of the alignment holes 4. The pallet 3c in FIG. 7 shows an example in which streak-like grooves 6 are provided at the positions of hole rows in the vertical and horizontal directions of the alignment holes.

The width of the groove 6 is a value in consideration of the diameter of the head of the screw 4 so that the screw 4 stands upright with the screw head down so as to fall from a stable state to a tilted state.
The depth of is capable of ensuring the directionality of the screw 4, but is set to a value that does not absolutely restrain it with respect to vibration motion.

With respect to the operation of the parts aligning machine having this structure,
The pin 12 provided on the eccentric member 9 at the shaft end of the motor 10 moves up and down in the slit of the joint 7 by the rotation of the motor 10. As a result, the aligning section 14 is rapidly swung, that is, vibrated, about the shaft 11a provided on the swing section base 11.

On the other hand, as shown in FIG. 4, the aligning section 14 is driven by the motor 1 which repeatedly rotates in the forward and reverse directions within a predetermined swing angle α so that the aligning section 14 can be caused to perform a swinging motion about the axis of the motor 1. As a result, the screw 2 is reciprocated in the alignment portion 14 due to the height difference caused by the vibration and the swinging motion of the alignment portion 14, and is aligned and housed in the many component alignment holes 4 provided on the pallet 3.

The screw 2 which reciprocates in the aligning portion 14 is caused by the vibration of the aligning portion 14 and the interaction of the unevenness 6 on the pallet 3.
It is oriented in a specific direction to facilitate entry into the component alignment hole 4. Screws 2 thus oriented in a specific direction
The transfer rate is improved compared to the case where the unevenness 6 is not provided on the pallet 3.

Next, a case where the pallets 3a, 3b, 3c shown in FIGS. 5 to 7 are used will be described. Figure 5
In the case of the pallet 3a shown in FIG. 1, first, if there are many screws 2 which are upright with their heads facing downward, these screws are tilted by the unevenness 6 and straightened so that the tips of the screw parts face downward. It When the screw 2 comes out of the unevenness 6 due to the vibration in the vibration direction, it is highly likely that the tip of the screw portion is on the lower side, so that the screw 2 can be easily inserted into the alignment hole 4.

In the case of the pallet 3b shown in FIG. 6, first of all, if there are many screws 2 which are upright with their heads facing downward, these screws are laid down by the unevenness 6 and the tip of the screw portion moves downward. It is corrected to face. Then, once the screw 2 that has entered the concavity and convexity is apt to be specified in the swinging direction with respect to the axial direction of the screw, the screw 2 moves along the concavity and convexity 6 when the swinging operation is added thereto, and the component 2 is aligned with the alignment hole 4 Since the probability of passing above is high, the transfer rate is improved.

In the case of the pallet 3c shown in FIG. 7, first of all, if there are many screws 2 which are upright with their heads facing downward, these screws are laid down by the unevenness 6 and the tip of the screw portion moves downward. It is corrected to face. Then, once the screw 2 that has entered the concavity and convexity is apt to be specified in the swinging direction or the vibration direction in the axial direction of the screw, the screw 2 moves along the concavo-convex 6 when a swinging operation is added to this, and the component 2 becomes Since the probability of passing over the alignment hole 4 is increased, the transfer rate is improved.

According to this embodiment, since the pallet 3 is provided with irregularities along the row of alignment holes, the tip of the threaded portion of the component 2 is straightened downward and the component 2 is aligned. Since the probability of passing above 4 is high, the transfer rate is improved. Further, the groove 6 can be formed in an optimum shape corresponding to each component to be aligned.

[0021]

Second Embodiment FIG. 8 is a perspective view of a parts aligning machine showing a second embodiment of the present invention. In the present embodiment, the component recovery unit 5 is provided with as many irregularities 6 as the number of hole rows of the component alignment holes 4. The unevenness 6 makes it easier for the screw 2 to fit in the alignment hole 4.
It is provided in the direction that matches the direction of. Further, it is desirable that the position of the unevenness 6 with respect to the vibration direction is set at an intermediate position of the component alignment hole 4. At the joint between the unevenness 6 and the pallet 3, the bottom surface of the unevenness 6 is designed to match the height of the upper surface of the pallet 3.

The function of the component aligning machine of this construction is that the screw 2 that reciprocates in the aligning portion 14 is first of many screws 2 upright with its head down, if any. Is tilted by the unevenness 6 and is corrected so that the tip of the screw portion faces downward. Since the screw 2 distributed from the unevenness 6 to the pallet 3 by the swinging operation has a low probability of standing upright with the screw head down, the screw 2 is more likely to be screwed than when the uneven part 6 is not provided on the component collecting part 5. The transfer rate of 2 is improved.

Incidentally, the unevenness 6 is provided between the row of the component alignment holes 4 in consideration of the fact that the screw 2 tends to roll obliquely without proceeding straight, and the screws distributed from the unevenness 6 are distributed. 2 becomes easy to move to the component alignment hole 4 positioned diagonally with respect to the unevenness 6.

According to the present embodiment, the screw 2 can be given directionality before the screw 2 moves to the pallet 3, so that the transfer rate is improved. The formation of the unevenness 6 described above may be performed by combining the cases of Example 1 and Example 2.

[0025]

According to the present invention, it is possible to smoothly perform the alignment operation of the components in the alignment section. Further, since it is not necessary to provide another additional device to the component aligning machine in order to impart the function of smoothly performing the aligning operation, the device can be simplified and downsized, and the manufacturing is easy.

[Brief description of drawings]

FIG. 1 is a perspective view of a parts aligning machine showing a first embodiment of the present invention.

FIG. 2 is a perspective view of a mechanism for vibrating an alignment unit.

FIG. 3 is a front view of a mechanism for swinging the alignment unit.

FIG. 4 is a side view of FIG.

FIG. 5 is a diagram showing an example in which various grooves are formed on a pallet surface.

FIG. 6 is a view showing an example in which various grooves are formed on a pallet surface.

FIG. 7 is a diagram showing an example in which various grooves are formed on a pallet surface.

FIG. 8 is a perspective view of a parts aligning machine showing a second embodiment of the present invention.

[Explanation of Codes] 1, 10 Motor 2 Screw 3 Pallet 4 Component Alignment Hole 5 Component Collection Part 6 Concavo-convex 7 Joint 8 Slit 9 Eccentric Member 11 Swing Part Base 12 Pin 14 Alignment Part 15 Swing Part 16 Box Body

Claims (3)

[Claims] 1. A component aligning machine for aligning components in a large number of component alignment holes provided on an upper surface of a pallet, the aligning part comprising a component collecting part which is a temporary retreat place for the components not aligned with the pallet, The aligning unit includes a swinging unit that swings the aligning unit and a vibrating unit that vibrates the aligning unit, and the aligning unit is provided with irregularities that change the posture of the component to efficiently align the components by swinging and vibrating. A parts aligning machine. 2. The parts aligning machine according to claim 1, wherein the unevenness for changing the posture is provided on the pallet. 3. The parts aligning machine according to claim 1, wherein the unevenness for changing the posture is provided in the parts collecting section.