JPH0310726A - Feeding device for axial part with head member - Google Patents

Abstract

PURPOSE:To smoothly move an axial part form a feeding pipe to a feeding rod means by stopping once an axial part having moved a feed pipe with the cooperation of a slope face and holding piece at the feed pipe end part, and giving a correct posture prior to the transfer. CONSTITUTION:A bolt 1 descends in a feed pipe 8 and when a head 2 is hung between a slope 12 and holding piece 13, the bolt 1 is temporarily locked. It is positioned with this temporary locking and when a holding piece 13 is retreated, the bolt 1 is moved to the right by the suction force of a magnet 21, the head part 2 is received by a stopper piece 5 and the transfer to the feeding rod tip part 10 side is completed. When the holding bolt 1 of the tip part comes to the vicinity of a hole 23 with the advance of a feeding rod 4, the rod 4 is stopped, and a locking piece 34 is lifted by an air cylinder 32 simultaneously, so a regulation pin 30 is also lifted at the same time. The displacement thereof is transmitted to the magnet 21 via fixing bolt 27 and sliding piece 24 and owing to the magnet 21 and 37 being receded the suction force is actually disappeared and the bolt is dropped into the hole 23 form the tip.

Description

DETAILED DESCRIPTION OF THE INVENTION G) Industrial Application Field The present invention relates to a feeding device for a shaft-like component with a head member, and in particular to a device for supplying a shaft-like component with a head member, in particular for a smooth transition of the shaft-like component from the supply pipe toward the supply rod means. It's a good idea to improve it.

(B) Conventional technology One method of holding a shaft-shaped component at the tip of a supply rod and supplying it to a target location includes a system in which a chuck mechanism is installed on the supply rod. Furthermore, as a method for guiding the shaft-shaped component to the tip end of the supply rod, a method is known in which a guide shooter is provided in a direction perpendicular to the supply rod and the shaft-shaped component is moved along the chute.

(c) Problems to be Solved by the Invention With the chuck mechanism as described above, if there is even a slight deviation in the chuck mechanism itself, the supply rod will advance until the shaft-shaped component is not held in the correct position. If the tip of the shaft-shaped component interferes with another component at the 9th edge, the component may fall off carelessly. This can occur if the jaws of the chuck itself are not paired with the correct precision. It is.

Second, when installing the above-mentioned idle shooter, it is necessary to provide a large space for arranging the shooter, which may make it impossible to use it in a narrow place.

And most importantly! The main problem is that the shaft-shaped component must be quickly and reliably held at the tip of the supply rod, and in particular, it is necessary to temporarily stop the shaft-shaped component that has moved through the supply pipe. It is very difficult to control the behavior of the component if the tip of the supply rod is to be moved as it is, and it becomes impossible to hold the component correctly at the tip of the supply rod.

B) Means for solving the problem and its operation The present invention is provided to solve the above-mentioned problem. It is of a type that holds and supplies parts to a target location, and the supply pipe for the parts is installed in a direction forming an acute angle with respect to the stroke direction of the supply rod means, and the end of the supply pipe is connected to the supply rod. The means is disposed near the tip of the supply pipe, and forms a slope on the inner surface of the end of the supply pipe on which the head of the component is held, and also maintains the shaft-shaped component engaged with the slope in a normal posture. The shaft-like component is characterized in that a holding piece is installed in a state where it can move back and forth, and the head member of the shaft-like component is temporarily locked by the slope and the holding piece, and when the holding piece moves back, the supply rod means It migrates toward the tip of the.

The invention of item 2 is the invention of item 1 with the addition of kl- that the inclination posture of the supply pipe is set so that the supply pipe is in a position above the supply rod means, When the shaft-shaped component temporarily locked at the end of the supply pipe moves relative to the supply rod means, the fall 5jL due to the weight of the component is utilized.

The invention set forth in item 6 is the invention set forth in item 1 with the addition of applying the suction force of a magnet to the shaft-shaped component, thereby causing the transition from the end of the supply pipe to the supply rod means. It is.

The invention set forth in Item 4 has the additional feature that the supply rod means is constituted by a supply rod, a stopper piece is provided at the tip end of the supply rod, and a magnet is disposed outside the stopper piece. The head member of the shaft-shaped component is attracted by the magnet, and the advance stroke of the supply rod is started after accurate positioning by the stopper piece.

The invention of item 5 is an addition to the invention of item 1 in that the supply rod means is constituted by a nut runner, and the shaft-like part is a port with a head. The head of the nut runner is engaged and held in the box of the nut runner, and the nut runner is supplied to the other screw hole.

(E) Example First, the example shown in FIGS. 1 to 5 will be explained. In this example, the shaft-like part with a head member (hereinafter simply referred to as the shaft-like part) is a port 1 as shown in the figure. It consists of a head portion 2 and a shaft portion 3, and as the feeding rod means, an ordinary feeding rod 4t is illustrated.

The tip end of the supply rod 4, which moves forward and backward, has a shape as shown in Fig. 1g4, and is provided with at least a stopper piece 5 for catching the head 2 that has moved. In the case shown,
KIi members 6, 6 are provided on both sides to stably hold the head 2't, and the head 2't has a U-shaped frame having an open portion 7t. The supply pipe 8 that guides the shaft-like part 1 is installed at an acute angle with respect to the stroke direction of the supply rod 40, as shown, and its end 9 is disposed near the tip 10 of the supply rod. It is set up. A short pipe 11 is welded to the tip of the supply pipe 8 to form an entire end 9, and a slope 12 is provided on the inside of the short pipe 11. The right side of the short tube 110, that is, the side of the tip end 10 of the supply rod 4 is open as shown in the figure, and a slope 12 is formed on the opposite side of this open part. A frK holding piece 13 facing this slope 12 is installed in a state that it can move forward and backward, and the port 1 that has descended 8 feet from the supply pipe has its head 2 facing the slope 12.
2 and the holding piece 16 are locked at a narrow point as shown in the figure,
This is a so-called - time locked positioning state. In order to make such locking more stable, in this embodiment, the holding piece 16 is also formed with a slope 14t, and the other slope 14t is formed.
It is opposite to 2.

The method of moving this holding piece 13t forward and backward is illustrated in FIG.
is connected to the holding piece 15.

The supply rod 4 is housed in the outer fi 15 and is connected to the outer fi 115.
The piston rod 20 is connected to the supply rod 4 so as to perform forward and backward strokes by an air cylinder 19 connected to the upper end of the piston rod 4. A magnet (
A permanent magnet 21 is arranged outside the stopper piece 5.

When the supply rod 4 moves forward and the port 1 approaches the hole 23 of the mating member 22, the attractive magnetic force on the port 1 must be extinguished. Magnet 21 for that purpose
It has a configuration that allows it to retreat.

That is, the magnet 21 is installed in a state where it is embedded in the sliding piece 24, and when the sliding piece 24 moves upward with respect to the supply rod 4, the magnet 21 is separated from the stopper piece 5, and the head The suction and retention force on the 2 is virtually eliminated.

In order to provide such an advantage, the supply rod 4 consists of a hollow shaft 25 and an inner shaft 26 which is inserted into the hollow shaft 25 so that it can be freely excited. 1.!d The fixing bolt 27 passes through an elongated hole 28 formed in the hollow 25 in the stroke direction.

A long hole 29 is opened in the hollow M25 in the stroke direction,
A regulating pin 50 fixed to the inner shaft 26 protrudes as shown. A coil spring 31 is housed in the hollow shaft 25, and its tension causes the regulating pin 30 to abut the lower end of the elongated hole 29. An air cylinder 62 is fixed to the lower side surface of the outer cylinder 15, and a locking piece 64 is attached to its piston rod 66. The locking piece 34 passes through a long hole 65 formed in the outer cylinder 15 in the stroke direction. and protrudes into the outer cylinder 15. When the supply rod 4 moves forward by a predetermined stroke, the relative positions of the two are set so that the regulation pin 60 comes to just before the locking piece 54O.

The supply pipe 8 and the outside j115 are welded at an acute angle positional relationship (numeral 36 is the welded part) as shown in FIG. 1, and the supply pipe 8 is located above the supply rod 4. The inclination posture of the supply pipe 8 is set so that. In other words, the supply pipe 8 is tilted from a vertical state to the right side as shown in FIG. In addition, the tip 1 of the supply rod
Ninth, inner shaft 2 to further strengthen port adsorption to 0.
Although another magnet (permanent magnet) 67 is installed at the tip of the magnet 6, this magnet 37 can be omitted if necessary. Note that a supply hose 68 is connected to the supply pipe 8.

When the bolt 1 descends inside the supply pipe 8 as shown by the two-dot chain line and its head 2 gets caught between the slope 12 and the holding piece 16, the bolt 1 temporarily moves as shown by the solid line. A stop is made. This - time locking positions the bolt 1 at a constant Iyr, and when the holding piece 13 retreats, the bolt 1 moves to the right due to the suction force of the magnet 21 (in the case shown, the suction force of the magnet 57 is also effective). Then, the head s2 is received by the stopper piece 5, and the movement toward the supply rod tip end 10 is completed. Next, when the supply rod 4 moves forward and the bolt 1 held at its tip comes close to the hole 250,
The supply rod 4 stops, and the locking piece 34 is pulled up by the air cylinder 32 at the same time, so the regulating pin 60 is also pulled up at the same time, and its displacement is caused by the magnet via the inner shaft 26 fixed port 27 and the ffl moving piece 24. 21-, and eventually the magnets 21 and 67 move away from the head 2, so the suction force against the head 2 substantially disappears, and the bolt falls into the hole 26 from its tip.

Next, the embodiments shown in FIGS. 5 to 7 will be explained.
This is because the shape of the slope 12 provided on the inside of the short pipe 11 is different, and the cross section of the short pipe 11 is approximately υ-shaped, as is clear from FIGS. 6 and 7, and the open part left and right (
In FIGS. 6 and 7, slopes 12 are provided on the upper and lower sides. Further, the holding piece 13 here has a circular cross section as shown in the figure. Since the operation of this embodiment can be easily understood from the previous embodiment, its explanation will be omitted. Note that other structural parts in this embodiment are the same as those in the previous embodiment.

In the embodiments shown in FIGS. 8 and 949, the supply rod means is a nut runner 69. It consists of a rotating shaft 40 and a box 41 that fits into the hexagonal bolt head 2. In order to position the bolt 1, a receiver 46 with a magnet 42 embedded therein is connected to an air cylinder 44 as shown in the figure. It is possible to move forward or backward. When the nut runner 69 descends and the head 2 fits into the box 41, the receiver 46 retreats and the bolt 1 is supplied to the mating threaded hole (not shown), where it is rotated. Then bolt 1 is tightened.

Figure 10 shows a case where a spring washer 45 and a flat washer 46 are assembled to the bolt 1, and the sliding piece 2
4 is provided with an arc-shaped notch 47 that matches the flat washer 46.

(f) Effects According to the present invention, the nine-shaft component that has completely moved through the supply pipe is temporarily stopped by the cooperation of the slope and the holding piece at the end of the supply pipe, and at this time, the nine-shaft component is placed in the correct position before the transition. is applied to the shaft-like part, so when the holding function of the holding piece is released, the shaft-like part starts to move from its normal position, and is therefore correctly moved to the tip of the supply rod means. It is.

Since the tip sK of the supply rod means is held by a magnet, there is no need for the above-mentioned chuck mechanism. Furthermore, since the supply pipe is arranged at an acute angle with respect to the stroke direction of the supply rod means, the space problem associated with the aforementioned guide shooter can be completely eliminated.

Since the inclined attitude of the supply pipe is set so that the supply pipe is located above the supply rod means, when the shaft-like part moves toward the tip end of the supply rod means, the weight of the shaft-like part is also taken care of. This can be used to improve the direction and speed of migration.

In addition, since the suction power of the magnet is used to transfer parts, the transfer is reliable and quick.

Furthermore, since this magnet is disposed outside the stopper piece, it is possible to improve the stability of holding the component to the tip of the supply rod means.

Finally, by using a nut runner as the supply rod means, automatic tightening of bolts can be achieved accurately and easily.

[Brief explanation of the drawing]

The drawings show an embodiment of the present invention, and FIG. 1 is a vertical sectional side view, FIG. 2 is a sectional view taken from (2) to (2) in FIG. 5g1, and FIG. Cross-sectional view, Figure 4 is a three-dimensional view, Figure 5 is a three-dimensional view.
The figure is a partial vertical side view, Figures 6 and 7 are (6)-(6) and (7)-(7) cross-sectional views of Figure 5, respectively, Figure 8 is a vertical side view, and Figure 9 is a vertical side view. The figure is a partial cross-sectional plan view, and FIG. 10 is a longitudinal cross-sectional side view. 4.69... Supply rod means, 10... Tip part, 1
...Shaft-shaped part with head member, 8... Supply pipe, 9.
... End, 12-Slope, 16... Holding piece, 21.42
... Magnet, 5... Stopper piece.

Claims (5)

[Claims] (1) A shaft-shaped component with a head member is held at the tip of the supply rod means and supplied to the target location, and the supply pipe of the component is set at an acute angle with respect to the stroke direction of the supply rod means. The end of the supply pipe is disposed near the tip of the supply rod means, and the inner surface of the end of the supply pipe forms a slope on which the head of the component is locked. 1. A supply device for a shaft-shaped component with a head member, characterized in that a holding piece is installed in a movable state to maintain a normal posture of the shaft-shaped component engaged with a slope. (2) A shaft-shaped component with a head member is held at the tip of the supply rod means and supplied to the target location, and the supply pipe of the component is set at an acute angle with respect to the stroke direction of the supply rod means. The end of the supply pipe is disposed near the tip of the supply rod means, and the end of the supply pipe forms a slope on the inner surface of the end on which the head of the component is locked. A holding piece is installed so as to be able to move back and forth in order to maintain the normal posture of the shaft-shaped component that engages with the slope, and the inclined posture of the supply pipe is set so that the supply pipe is in a position above the supply rod means. A supply device for a shaft-shaped component with a head member, characterized in that: (3) A shaft-like component with a head member is held at the tip of the supply rod means and supplied to the target location, and the supply pipe of the component is set at an acute angle with respect to the stroke direction of the supply rod means. The end of the supply pipe is disposed near the tip of the supply rod means, and the inner surface of the end of the supply pipe forms a slope on which the head of the component is locked. A holding piece is installed so as to be able to move back and forth in order to keep the shaft-like part engaged with the slope in a normal position. When the holding piece moves back, the shaft-like part is moved to the tip of the supply rod means by the suction force of the magnet. 1. A feeding device for a shaft-shaped component with a head member, characterized in that the shaft-shaped component is moved to the side. (4) A shaft-shaped component with a head member is held at the tip of the supply rod means and supplied to the target location, and the supply pipe of the component is set at an acute angle with respect to the stroke direction of the supply rod means. The end of the supply pipe is disposed near the tip of the supply rod means, and the inner surface of the end of the supply pipe forms a slope on which the head of the component is locked. A holding piece for maintaining the normal posture of the shaft-shaped component engaged with the slope is installed in a movable state, and the supply rod means is constituted by the supply rod, and the shaft-shaped component that has moved to the tip thereof A supply device for a shaft-shaped component with a head member, characterized in that a stopper piece for receiving the component is provided, and a magnet is arranged on the outside of the stopper piece. (5) A shaft-shaped component with a head member is held at the tip of the supply rod means and supplied to the target location, and the supply pipe of the component is set at an acute angle with respect to the stroke direction of the supply rod means. The end of the supply pipe is disposed near the tip of the supply rod means, and the inner surface of the end of the supply pipe forms a slope on which the head of the component is locked. A shaft with a head member, characterized in that a holding piece for maintaining a normal posture of a shaft-like part engaged with a slope is installed in a movable state, and the supply rod means is constituted by a nut runner. Parts supply device.