JPS62211215A - Coil spring separation and alignment device - Google Patents

Abstract

PURPOSE:To simplify a device in structure as well as to aim at reduction in a noise, by constituting it so as to separate entanglement of a coil spring with centrifugal force in a rotary disc, and to let it come nearer to a guide hole of a side wall and, when it is matched to an aligning hole, to feed it to an alignment tube body with compressed air for conveyance. CONSTITUTION:A coil spring 5 being charged onto a rotary disc 3 is eliminated of its entanglement by dint of centrifugal force of this disc 3 and made to come nearer to the side of a side wall 2. And, it enters a guide hole 15, and when it is matched to an aligning hole 16, it is thrust in a tube 6 by a compressed air stream and moved inside the tube 6 on board this air stream, then it is taken out. At this time, such a coil spring 5 that intertwines or is not matched to the tube 6 in the axial direction is unable to come into the tube 6 from the aligning hole 16. Therefore, the coil spring 5 is aligned one by one. With this constitution, structural simplication is well attainable.

Description

DETAILED DESCRIPTION OF THE INVENTION [Field of Industrial Application] The present invention relates to a coil spring separating and aligning device for disentangling coil springs and aligning and supplying coil springs.

[Conventional technology]

When assembling coil springs, the supplied coil springs may become entangled with each other, and a large number of man-hours may be required to remove the entanglement and take them out one by one. Therefore, a spring separation device is used.

As a K-end spring separation device, one is known in which a coil spring is dropped onto a rotating disk and the entanglement is eliminated by centrifugal force. The rounded coil springs were then guided through a chute or the like and supplied to a 1-year company. However, with these devices, there is a problem that when attempting to separate and supply large and small coil springs, the separated fill springs may become entangled again in the chute, etc. In order to eliminate this, methods such as applying vibration to the chute have been considered, but there are problems in that the entire device becomes large and expensive, and it also generates noise.

[Problem that the invention seeks to solve]

The present invention has been made in order to solve the above-mentioned problem No. 111, and provides a coil spring separating and aligning device which is capable of disentangling coil springs, aligning and supplying the coil springs, and which is simple in VT construction and inexpensive. [■Target.

[Means for solving problems]

For this reason, the present invention includes a rotatable disc, a cylindrical unit surrounding the disc and having a coil spring inlet.
A tubular body having a 1 m wall, an opening provided in the side wall, and an alignment hole on the side that is open at one end, forms a spring outlet at the other end, and opens facing the guide hole. and a pressure #i air supply means for introducing and supplying compressed air to the intersecting end of the first layer of the tube.

[Effect]

According to the above configuration, the coil bones placed on the disk are disentangled and separated by the centrifugal force caused by the rotation of the disk, and are brought to the side wall. 111. Of the fill springs h that are brought to the wall, only the coil springs that are blown in the direction of the id hole and that exactly match the positions of the alignment holes of the tube body are inserted into the tube body by the airflow of compressed air. The coil spring has a cylindrical shape and is naturally inserted into the tubular body in the axial direction.

A coiled spring that is not entangled and separated cannot be inserted into the tubular body and may fall on the edge of the alignment hole or the edge of the id hole! It gets blown away and returns to the disk. Therefore, the separated fill springs are inserted one at a time into the tube, and are carried through the tube by an air flow generated by compressed air, and reach the outlet of the tube. Separated coil springs are arranged in a row in the tubular body near the bone outlet. The aligned coil springs now touch each other in their axial direction. : Tonawa lI [Since the circles do not come into contact with each other, there is almost no risk of them getting entangled again.

〔Example〕

An embodiment of the present invention will be specifically described with reference to the drawings.

FIG. 2 is a perspective view showing the external appearance of the coil spring separating and aligning device according to the present invention, and FIG. 3 is a plan view schematically showing the main parts.

A pre-shaped f! formed of a resin plate on the base 1. 119!2
is fixed. II! A rotating disk 3 is provided at the bottom of the It wall 2, and is rotated in the direction of arrow R in FIG. 3 by a motor (not shown) in the base 1. Then, the coil spring 5 introduced from the input port 4 at the upper part of the side wall 2 is circulated, and a centrifugal force is applied to the coil spring 5 so that it collides with the inner periphery of the side wall 2 to eliminate the entanglement of the fill spring 5.

On the base 1, on the outer periphery of the I wall 2? As you wear it, Imaboki *
The tube 6 of St is fixed. The tube 6 is provided with a coil spring foaming lower at its tip, and its rear end is connected to a compressed air source (not shown) via a thread/id pulp 8, and has a pipe chute for conveying the separated coil spring 5 to the spring extracting lower. I am doing it. A coil spring 5 is attached to the tube 6.
It is preferred to use a transparent vinyl chloride tube having an inner diameter slightly larger than the outer diameter of the tube.

A photoelectric detector 9 is disposed on the way to the spring take-out lower part of the transparent chain pro, and detects the fill spring 5 in the chain 16. According to the signal from the photoelectric detection o9 and the power switch 10 provided on the base 1, the electric circuit in the control box 11 controls the motor that drives the solenoid valve 8 and the disk 3 in rotation.

The tube 6 is pressed against and fixed to the outer periphery of the side wall 2 by a stay 13 that is immobilized on the base 1 by a screw 12. In addition, the tube 6 can be smoothly connected to the rf by the fixing fitting 14.
Fixed to maintain ilM.

11111 Wall 2 f) + s -76h' @ j
Q f” and Z) Guide hole 15 opened at 091 places
is provided. In addition, the coil spring 5 on the disk 3 rotating at zero is provided with an alignment hole 1G opened by partially missing the side part of the tube 6 at a location corresponding to the id hole 15 of the tube 6. It passes through the side hole 15 of 11112 and the alignment hole 16 of the tube 6 and is inserted into the tube 6.

FIG. 1 is a perspective view of a main part cut away vertically showing the vicinity of the id hole 15 and the alignment hole 1G; Fixed by A portion of the side wall of the tube 6 is removed to provide an alignment hole 16. Adjustment by pressing the upper part of the alignment hole 16 of the tube 6 @ 17 is on the side +! It is attached to t2 so that it can move up and down. [g@17 is gA! ! ! Guided by the groove 18 of No. 2 and the block stopper 19 fixed to the No. 2 wall 2, m! I! 1JTrf capacity.

A handle 20 is provided on the adjustment plate 17 so that the position of the work can be easily adjusted.

FIG. 4 is a plan view showing the vicinity of the alignment hole 16 of the tube 6, and FIG. 5 is a cross-sectional view.

The length L of the alignment hole 16 is slightly longer than the length of the coil spring 5, but shorter than twice the length. *In addition, the inner diameter of the chain 16 is selected to be slightly larger than the outer diameter of the coil spring 5. Then, the lower end of the adjustment plate 17 comes into contact with the upper part of the tube 6, and the id hole 15 is opened! Leveling plate 17
IT by and tube 6! It's blocked. In addition,
Chepro is made of vinyl chloride tube and has elasticity and soft vIVf properties.

What about the electric circuit inside the control box 11? ! ! In accordance with the operation of the source switch 10, the motor that rotationally drives the disc 3 is rotated, and the solenoid valve 8 is energized to introduce and supply compressed air into the chapler.

Further, the solenoid valve 8 is opened and closed at predetermined time intervals, and compressed air is intermittently fed into the chapler. Furthermore, since the spring detection signal from the photoelectric detector 9 continues for a predetermined time or more, it is detected that the coil spring 5 has stayed in the tube 6 up to the position of the photoelectric detector 9, and at that time, the solenoid valve 8 is activated. It has a function of stopping the supply of compressed air and also stopping the rotation of the disk 3.

The operation based on the above configuration will be explained.

The coil springs 5, which are fed into the circle 13 from the input port 4, are separated from each other due to the centrifugal force caused by the rotation of the disk 3, and are moved toward the wall 2. Among them, only the coil spring 5 which is blown in the direction of the id hole 1:i and exactly matches the position of the alignment hole 16 of the tube 6 is inserted into the tube 6 by the airflow of compressed air.

The coil spring 5 has a cylindrical shape and is naturally inserted into the tube 6 in the axial direction.

The coil spring 5 that has not been separated from the entanglement cannot be inserted into the tube 6, and the coil spring 5 will be stuck on the edge of the alignment hole 16 or the edge of the guide hole 15! It gets blown away by 1 and returns to the top of disk 3. Since the length and width 1 of the alignment hole 16 are set to be slightly larger than the length and outer diameter of the coil spring 5, the alignment hole 1
Two coil springs 5 cannot pass through the tube 6 at the same time, and the coil springs 5 are sequentially inserted into the tube 6 one part at a time.

The coil spring 5 inserted into the chopper is carried to the spring take-out lower by an air flow of compressed air.

The coil springs 5 are lined up in the tube 6 near the spring extraction lower part. At this time, the coil springs 5 aligned in the vertical direction come into contact with each other at their axial end portions, and since their side circumferences do not come into contact with each other, there is almost no possibility that they will become entangled again.

In addition, the fill spring 5 sent to the spring extraction lower is not taken out, and a large number of coil springs 5 remain in the tube 6.
If the coil spring 5 is clogged even in the position of the alignment hole 16, the coil spring 5 which has been inserted into the tube (3) and partially exposed from the alignment hole 16 and the fill spring 5 which is blown away by the disk 3 will become intertwined again. In this embodiment, the photoelectric detection 11g9 detects that the coil spring 5 has stagnated by a predetermined amount or more, and stops the supply of compressed air to the tube 6 and the rotation of the disc 3. In this embodiment, the solenoid pulp 8 is opened and closed at predetermined intervals to intermittently compress the air into the tube 6. By doing this, when the compressed air blowing stops, the fill spring 5 passes through the alignment hole 16 more smoothly, and the coil spring 5 is smoothly inserted into the chaperone one by one. The advantage is that it ends up being done.

Further, since it is possible to deal with coil springs 5 having greatly different dimensions by simply removing the stay 13 and replacing the tube 6, there is an advantage of high versatility.

In the above embodiment, the part where the alignment hole 16 shown in FIG. 17, the width H of the alignment hole 16 is adjusted by a to accommodate fill springs 5 of different sizes.

Therefore, there is an advantage that the SI is extremely simple and can be provided at a low cost.6 However, only the red part where the TI row holes 16 are provided as shown in FIG. It is also possible to prepare various tube bodies with different lengths r and widths I of the holes 16, and to use only the W wood by replacing them depending on the dimensions of the coil springs 5 to be supplied.

In this case, 1m9. There is an advantage that adjustment using the plate 17 is no longer necessary, and it becomes easier to deal with different types of coil #25.

In the above explanation, the coil springs 5 are manually taken out by the worker from the spring take-out lower part. However, since the coil springs 5 are sequentially aligned in the same position at the same position, a magic hand, manipulator, etc. The robot device used makes removal extremely easy. Therefore, with this device, it is possible to supply coil springs in the same posture in an aligned manner, which has traditionally been considered the most difficult automatic assembly of coil springs, and this has a significant ripple effect.

〔Effect of the invention〕

As explained above, the present invention has the above-mentioned configuration, and the coil springs are disentangled from each other by rotation of a disk, and the separated coil springs are sent out one by one using compressed air. It has the excellent effect of being able to disentangle the springs, separate them, and supply them in alignment, and also having a simple structure and being able to be provided at low cost.

[Brief explanation of drawings]

The drawings show one embodiment of the present invention; FIG. 1 is a perspective view showing the main parts broken away, FIG. 2 is a perspective view showing the external appearance, and FIG. FIG. 4 is a plan view showing the vicinity of the alignment hole, and FIG. 5 is a longitudinal sectional view similarly showing the vicinity of the alignment hole. 2...Side wall, 3...Disc, 5...Coil spring, 6
...Tube (ff body), 7...Spring outlet, 8.
...Tsure/id pulp, 9...Photoelectric detector, 11...
・Control l lees, 15... Id hole, 16... Alignment hole,
17...'I! 4 Clearance board. Agent Patent Attorney Ka Goto Figure 1 Figure 2 Figure 3 Air ↓ Figure 40 Figure 5

Claims (1)

[Scope of Claims] 1. A disc that is rotationally driven, a cylindrical side wall surrounding the disc and having a coil spring input port, a guide hole that is an opening provided in the side wall, and a guide hole that is open at one end. a tube body having a spring outlet at the other end and an alignment hole opening facing the guide hole on the side; compressed air supply means for introducing and supplying compressed air to one open end of the tube body; A coil spring separation and alignment device comprising: 2. The tubular body is composed of a single synthetic resin tube, and includes an adjustment plate that makes it possible to adjust the width of the opening of the guide hole by coming into contact with the upper part of the alignment hole of the tube. A coil spring separation and alignment device according to claim 1. 3. The coil spring separation and alignment device according to claim 1, wherein the compressed air supply means is a means for intermittently introducing and supplying compressed air. 4. The device according to claim 1, further comprising means for detecting a spring in the tubular body, and control means for stopping introduction and supply of compressed air and rotation of the disk based on the spring detection signal. coil spring separation alignment device.