JP2530447B2 - Parts feeder - Google Patents

Description

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a component supply device, and more particularly to a component supply device used in an assembly process for automobiles and the like.

(Prior Art) As is well known, in the manufacturing process of an automobile, there is a process of assembling the assembled parts by fastening them with bolts and nuts.

In such a process, for example, after fitting a member to be attached to the component fixed to the bolt fixed to the assembly component side, then fit the bolt in the order of spring washer and nut, Tighten tightly by turning the nut.

By the way, when fastening such nuts to bolts,
For the purpose of performing the work quickly, for example, a nut runner that uses air pressure to rotate a nut may be used.

Therefore, when the nut runner is used, the spring washer is inserted into the bolt, while the nut runner is fitted with the nut in the recess so that the nut corresponds to the bolt.

However, such work is often performed by hand, and there is a possibility that the work time, that is, the time required for pre-preparation for nut tightening may be lengthened or the pre-preparation may be forgotten. .

Therefore, an object of the present invention is to provide a parts supply device that can reduce the start-up time and surely supply parts by automating the preparations for the conventional fastening work.

(Means for Solving the Problems) In order to achieve this object, the present invention corresponds to a means for conveying the parts to a predetermined position after adjusting the position of the parts to be supplied and a part at the predetermined position. The shutter plate, which is arranged in a plain manner, holds the parts thereof, and can be integrally connected to the conveying means located below the shutter plate and located on the shutter plate.
It is proposed to provide a part supply means for transferring a part from the above-mentioned conveying means when the locking of the part by the shutter plate is released, and for bringing this part to a part supplying position corresponding to a nut runner or the like. is there.

(Operation) According to the present invention, a state in which the component conveying means and the component supplying means are integrated with each other while the component is locked by the shutter plate is set, and the shutter plate is moved in this state to move the component Can be handed over.

(Embodiment) Hereinafter, the embodiment of the present invention will be described in detail with reference to FIGS. 1 to 5.

FIG. 1 is a front view of an assembling apparatus to which a component supplying apparatus according to an embodiment of the present invention is applied.

That is, the assembling apparatus 1 includes the table 1C provided in the column 1B standing on the bed 1A and the upper unit.
1D, the upper unit 1D is provided with a lifting cylinder 1E of this unit 1D, a socket 1f at the tip, and a number of nut runners 1F corresponding to the assembly position.

In the figure, reference numeral W indicates an assembly part, and in the case of the present embodiment, a knuckle arm and a back panel are shown.

On the other hand, the component supply device 2 according to the present embodiment is arranged at a position adjacent to the column 1B.

That is, in the case of the present embodiment, the component supply device 2 supplies the spring washer and the nut mounted on the bolt in a superposed state, and supplies the respective components, that is, the respective parts, through the chute 3a of the parts feeder 3. ,
Spring washers and nuts are fed into the magazine described below.

As shown in FIG. 2, the component supplying device 2 includes a conveying device 2A,
The shutter plate 2B and the parts supply loader 2C form the main structure.

That is, the conveying device 2A is provided with first cylinders 2A1 to 2A4 having plungers having different sliding strokes, and the plunger tip of the first cylinder has a diameter smaller than the inner diameter of the nut N. A second cylinder 2A5 which is slidable in the direction perpendicular to the sliding direction of the plungers and which is provided with plungers 2a5 to 2a8 at the tip thereof having a tapered concave surface 2a as shown in FIG.
Or 2A8 is fixedly attached.

The sliding amount of the plungers in the above-mentioned first cylinders 2A1 to 2A4 is set to a predetermined amount, and this amount is set so that the parts can correspond to the mounting position of the work by the rotation of the loader described later. Has been done.

And below the second cylinder 2A5 to 2A8,
Plunger 2a5 or 2 of second cylinder 2A5 or 2A8 from the position corresponding to chute 3a of parts feeder 3
A guide plate G extending to a position corresponding to a8 is provided, and in this guide plate G, a part is defined at a predetermined interval, that is, an interval between the plungers of the second cylinder, in this case. Is spring washer SW and nut N
A magazine M having a concave portion for accommodating is stored.
The magazine M can be reciprocated in the guide plate G by a driving unit (not shown).

On the other hand, a shutter plate 2B is arranged at a position adjacent to the magazine M in the sliding direction of the plunger in the above-mentioned first cylinders 2A1 to 2A4.

That is, the shutter plate 2B has a shutter body 2B1 whose upper surface is located on an extension of the bottom surface of the concave portion of the magazine M.
The shutter body 2B1 has a lower surface and side surfaces supported by the guide plate 2B2.

The shutter plate 2B1 is the first cylinder 2
The actuator of the solenoid 2B3 is fixed to one end of the A1 to 2A4 in the direction perpendicular to the sliding direction of the plunger, and the solenoid 2B3 is driven to displace in the perpendicular direction.

On the other hand, the shutter body 2B1 has a first cylinder 2A1
To the 2nd which can be obtained at maximum sliding of 2A4 plunger
Cylinder 2A5 to 2A8 Plunger 2a5 to 2a8
Locking hole 2b1 large enough to lock part of spring washer SW and nut N at a position corresponding to
The shutter body 2B1 has a through hole 2b2 that is large enough to allow the spring washer SW and nut N to fall off.
The restriction portion 2b is formed continuously along the moving direction of the.

This restricting portion 2b is adapted to correspond to the plungers 2a5 to 2a8 of the second cylinders 2A5 to 2A8 of the locking hole 2b1 through the normal demagnetization and the solenoid 2B3 demagnetization.
For this reason, the plungers 2a5 to 2ar are used to lock the holes 2b.
Spring washer S brought to position 1
As shown by the two-dot chain line in FIG.
It is placed on the shutter body 2B1.

On the other hand, below the shutter plate 2B, a loader 2C that is a component supply means is arranged.

That is, the loader 2C is a flat support plate 2C1.
And a cylinder 2C2 having a plunger fixed to a part of the support plate 2C1.
Is moved up and down and rotated by a cylinder 2C2.

It should be noted that this operation will be described later based on a component holding pin described later.

On the other hand, the surface of the support plate 2C1 that faces the shutter plate 2B has a locking hole when the shutter plate 2B is in the normal state.
The component holding pins 2c are respectively planted at the positions corresponding to 2b1.

The protrusion height of the component holding pin 2c is set so that the spring washer SW and the nut N can be held,
As shown in FIG. 4, a tapered surface is formed to prevent each part from falling off. A conical projection 2c1 is formed at the center of the tip of the component holding pin 2c.
Is a tapered concave surface 2a at the tip of the plunger 2a5 to 2a8 of the second cylinder 2A5 to 2A8 shown in FIG.
Can be engaged with.

The component holding pin 2c can be moved back and forth with respect to the locking hole 2b1 of the shutter plate 2B in the normal state by the operation of the cylinder 2C2, and from the position corresponding to the locking hole 2b1 to the state shown in FIG. The illustrated nut runner 1F can be rotated toward a position corresponding to the socket 1f.

Since the present embodiment has the above-described structure, the magazine M in which the nut N is superposed on the spring washer SW in the concave portion has the concave portion formed in the plunger 2a5 to 2a8 of each of the second cylinders 2A5 to 2A8. As shown in FIG. 3, the plungers 2a5 to 2a
The drive of the second cylinder causes a8 (only the plunger 2a5 is shown in FIG. 3) to rush into the nut N and the spring washer SW. In this state, the first cylinders 2A1 to 2A4 move the second cylinder into the plunger 2a5.
The second cylinders 2A5 to 2A8 are pushed out so that the centers of the holes 2a8 to 2a8 correspond to the centers of the locking holes 2b1 of the shutter plate 2B.

Then, with respect to the plungers 2a5 to 2a8 of the second cylinders 2A5 to 2A8 inserted into the spring washer SW and the nut N which are prevented from falling by the locking holes 2b1 of the shutter plate 2B, the support plate 2C1 of the loader 2C is attached. As shown in FIG. 4, the conical projection 2c1 of the component holding pin 2c is inserted into the tapered concave surface 2a of the plunger with the tip of the component holding pin 2c corresponding to the tip of the plungers 2a5 to 2a8. Engage and integrate the component holding pin 2c and the plunger with their axes aligned.

After this state, the shutter plate 2B is excited by the solenoid 2B3, and the plunger 2 that integrates the passage hole 2b2 is formed.
The parts are transferred to the component holding pins 2c by being displaced in a direction corresponding to a5 to 2a8 and the component holding pins 2c, and the passage holes 2b2 corresponding to the spring washers SW and the nuts N.

Thereafter, the loader 2C lowers the component holding pin 2c to rotate the support plate 2c1 toward a position corresponding to the socket 1f of the nut runner 1F shown in FIG.

(Effects of the Invention) As is apparent from the above description, according to the present invention, it is possible to transfer the parts and the means for transferring the parts while the parts aligned by the parts feeder are locked by the shutter plate. As a result, it is possible to eliminate the need for manual work when supplying the component toward the component supply position, and to reliably transfer the component when supplying the component with a simple structure.

[Brief description of drawings]

FIG. 1 is a front view of an assembling apparatus to which a component supply apparatus according to an embodiment of the present invention is applied, FIG. 2 is a perspective view of a main part of a component supply apparatus according to an embodiment of the present invention, and FIGS. 3 to 5 are FIG. It is explanatory drawing which shows the effect | action of the component supply apparatus shown in FIG. 2 ... Parts supply device, 2A ... conveying device, 2A1 to 2A4 ... first cylinder, 2A5 to 2A8 ... second cylinder, 2a5
~ 2a8 …… Plunger, 2B …… Shutter plate, 2B1 ……
Shutter body, 2b1 …… Locking hole, 2b2 …… Passing hole, 2B3
...... Solenoid, 2C …… Loader, 2C1 …… Support plate, 2c
…… Parts holding pin, 2C2 …… Cylinder, N …… Nut, SW …… Spring washer.

 ─────────────────────────────────────────────────── ─── Continuation of the front page (72) Inventor Yasuhisa Shirakami 5-3-8 Shiba, Minato-ku, Tokyo Mitsubishi Motors Corporation (72) Inventor Yuichi Hasaki 1-1 1-1 Mizushimakaigan-dori, Kurashiki City Japan Motor Vehicle Engineering Co., Ltd. Okazaki Works Mizushima Branch (56) References JP-A-58-171227 (JP, A)

Claims (1)

(57) [Claims] 1. A means that is engageable with a part aligned by a parts feeder and that conveys the part toward a predetermined position in the engaged state, and is arranged corresponding to the predetermined position of the part. A locking portion that locks a part of the component and a component passage portion that allows the component to fall off are formed continuously, and the component can be reciprocated in the continuous direction of each of the components. The shutter plate, which makes the locking part correspond to the parts, and the shutter plate, which is located below the shutter plate and is capable of advancing and retreating with respect to the locking part, when the locking part is entered, the transfer is performed. A component supply device having a guide member that is integrally connected to the means, and comprising the shutter plate and a supply unit that is displaceable to the component supply position.