JPH0210050B2 - - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION (Field of Industrial Application) The present invention relates to a parts delivery device for sequentially delivering parts such as a valve guide for an internal combustion engine from within a hopper.

(Prior Art) The present applicant has already provided a parts press-fitting device in Japanese Patent Laid-Open No. 59-108814.

First, the press-fitting device simultaneously press-fits a plurality of parts, such as a valve guide for an intake valve and a valve guide for an exhaust valve, into the cylinder head at the same time. It is desired to connect a supply device that can efficiently supply a plurality of . Therefore, as the first stage of such a parts supply device, a parts delivery device is required that sequentially delivers valve guides from a hopper containing a large number of valve guides to a mechanism that constitutes the next supply device.

(Problem to be solved by the invention) However, there are two types of valve guides for feeding, one for intake valves and one for exhaust valves, and separate hoppers are required for each, so how can the number of parts of the feeding device be eliminated and made more compact? becomes a problem.

A similar supply device has been proposed in Japanese Patent Publication No. 51-2152, but this is not suitable for parts such as valve guides because it is configured to supply balls.

The present invention has been devised in view of the above circumstances, and an object of the present invention is to be able to reduce the number of parts, have a compact structure, and simultaneously send out different parts from different hoppers. To provide a parts feeding device.

(Means for Solving the Problems) In order to solve the above problems and achieve the purpose, the present invention has a plurality of valve guides arranged sideways inside the valve guide, which is a part, and has a width greater than the length of the valve guide. Two hoppers are housed separately and are disposed in parallel and displaced from each other in the vertical direction and the longitudinal direction of the valve guide;
A bottom member is formed with a guide groove for individually dropping each guide valve in a sideways state from each hopper, and the bottom member is connected to both bottom members, and is connected to the bottom member in a direction orthogonal to the longitudinal direction of each valve guide. Two drop cylinders are placed on the bottom side of the bottom member installed in the lower hopper, and extend in the longitudinal direction of the valve guide to keep the valve guide that has fallen from the guide groove of the bottom member horizontally. 1st to receive
a sending passage; a falling passage that is arranged on the lower surface side of the bottom member provided in the upper hopper, extends downward and is displaced from the first sending passage, and passes the valve guide that has fallen from the guide groove of the bottom member; A second delivery passage that is disposed at the lower end of this drop passage and below the bottom member provided on the lower hopper, extends in the longitudinal direction of the valve guide, and receives the valve guide that has fallen from the drop passage in a sideways state. and,
Two delivery rods are disposed in the second delivery passage and the first delivery passage and sequentially send out the respective valve guides in a sideways state, and a single delivery cylinder is connected to both of the delivery rods. The present invention is characterized by configuring a parts feeding device comprising:

(Embodiment) A preferred embodiment of the present invention will be described below with reference to the accompanying drawings.

FIG. 1 is a partially sectional front view of the parts feeding device, FIG. 2 is a side view of the same, and FIG. 3 is a sectional side view of the main part of the lower part of the hopper.

Reference numeral 1 denotes a parts feeding device, and the parts feeding device 1 includes a hopper section 4 that accommodates a valve guide 2 and stands upright on a base 3, and a feeding section 5 that sequentially feeds out the valve guide 2 in the hopper section 4.

The hopper part 4 includes a first hopper 11 that accommodates a valve guide 2a for an intake valve, and a valve guide 2 for an exhaust valve.
Each hopper 11, 12 is formed with a width slightly larger than the entire length of each valve guide 2a, 2b.

As shown in FIGS. 2 and 3, the first and second hoppers 11 and 12 accommodate a valve guide 2.
a and 2b are disposed in parallel and displaced in the longitudinal direction, and in this embodiment, the second hopper 12 is disposed higher than the first hopper 11 as shown by the dotted line in FIG.

Plate-shaped bottom members 13 and 14 are disposed at the bottoms of the first and second hoppers 11 and 12, respectively, with the bottom member 13 of the first hopper 11 being oblique, and the bottom member 14 of the second hopper 12 being approximately Each is arranged horizontally. Each bottom member 1
3 and 14 are provided with a plurality of guide grooves 15 and 16 at intervals for allowing the valve guides 2a and 2b to fall one by one, and the bottom members 13 and 14 are provided with a cylinder 17 connected to the end of the valve guide 2. reciprocate in a direction perpendicular to the longitudinal direction of the

Below the guide groove 15 of the bottom member 13, as shown in FIG. 3, a first delivery passage 21 is provided which extends to the rear of the second hopper 12 and has an inner diameter corresponding to the diameter of the valve guide 2a.

Below the guide groove 16 of the bottom member 14, drop passages 22 for dropping the valve guides 2b are formed, and each drop passage 22,... is formed so as not to interfere with the first delivery passage 21,... The lower end 22a of the passage is positioned at a desired location below the bottom member 13.

A second delivery passage 23 extending to the rear of the second hopper 12 is provided at the lower end 22a of the falling passage.

A delivery cylinder 31 is disposed in front of the first hopper 11, and first rods 34, . . . and second rods 35, . 1. Facing the second delivery passages 21, 23, . the first and second delivery passages 21, 23;
..., the delivery cylinder 31 constitutes the delivery section 5.

Next, the operation of the device 1 will be explained.

First, the intake valve valve guide 2a is supplied to the first hopper 11, and the exhaust valve valve guide 2b is supplied to the second hopper 12, respectively, and the cylinders 17, 17 are operated to cause the bottom member 13 to reciprocate.

Due to the reciprocating movement of the bottom member 13, the valve guides 2a, . . . are smoothly supplied to the ends of the respective first delivery passages 21, .

In addition, due to the reciprocating movement of the bottom member 14, each fall passage 2
2,... are connected to the valve guide 2 through the guide groove 16.
b, . . . are supplied smoothly, and the valve guide 2b reaches the lower end 22a of the falling passage.

Next, the delivery cylinder 31 is operated, and the first rod 3 is delivered via the operating rod 32 and the support plate 33.
4, . . . and second rods 35, . Due to the operation of the delivery cylinder 31, the first and second delivery passages 2
Valve guides 2a and 2b are simultaneously sent out sequentially from ends 1 and 23.

After the valve guides 2 are sequentially delivered from the hopper section 4 by the delivery device 1, the valve guides 2 are sent to the next mechanism that constitutes the parts supply device. In the embodiment, as shown in FIG.
Valve guides 2a and 2b for intake valves and exhaust valves from ends 1 and 23 are received by receiving members 41 and 51, respectively,
The receiving members 41, 51 are reciprocated in a direction perpendicular to the longitudinal direction of the valve guides 2a, 2b, and the valve guides 2a, 2b are held by a pair of claws 62, 62, 63, 63 provided on an arm 61, respectively. .
Note that such a mechanism is not limited to this and is arbitrary.

Therefore, according to this embodiment, two hoppers 11,
12 are disposed in parallel in the vertical direction and in the longitudinal direction of the valve guide, so that the delivery device 1 can be made more compact despite having two hoppers 11 and 12.

In addition, since the two hoppers 11 and 12 are disposed in parallel in the vertical direction and in the longitudinal direction of the valve guide, for example, in FIG.
Both the left side walls of the valve guide can be opened and closed, so that the valve guides can be lined up and fed into the respective hoppers 11 and 12 from the left side, and the alignment and feeding work can be performed from the same direction.

Further, a falling passage 22 extending downward is provided at the bottom of the upper hopper 12, and a second feeding passage 23 is formed at the lower end of this falling passage 22, so that the first feeding passage 21 and the second feeding passage 22
3 can be easily set at a desired position, and as in the embodiment, a plurality of first delivery passages 21 can be easily set.
and the second delivery passage 23 can be centrally arranged, and the valve guide 2 can be centrally arranged with the single delivery cylinder 31.
A and 2b can be sent out in plural pieces at the same time, and the number of parts can be reduced.

(Effect of the invention) As is clear from the above explanation, according to the present invention,
The number of parts can be reduced, the structure is compact, and different parts can be sent out from different hoppers at the same time.

[Brief explanation of drawings]

FIG. 1 is a partially sectional front view of the parts feeding device, FIG. 2 is a side view thereof, and FIG. 3 is a sectional side view of the main part of the lower part of the hopper. In the drawing, 1 is a parts feeding device, 2 is a valve guide, 11 is a first hopper, 12 is a second hopper,
13 and 14 are bottom members, 21 and 23 are delivery passages, 22 is a falling passage, and 31 is a delivery cylinder.

Claims (1)

[Claims] 1. A large number of valve guides are housed in a sideways state according to their type in an interior having a width greater than the length of the valve guide, which is a part, and the valve guides are arranged side by side and displaced in the vertical direction and the longitudinal direction of the valve guides. two hoppers provided therein; a bottom member provided at the bottom of each of these hoppers and having a guide groove formed therein for allowing each guide valve to fall individually in a sideways state from each hopper; and these two bottom members. two dropping cylinders that are connected to the lower hoppers and reciprocate each bottom member in a direction orthogonal to the longitudinal direction of the respective valve guide; A first sending passage extends downward to receive the valve guide that has fallen from the guide groove of the bottom member in a sideways state; and a falling passage through which the valve guide that has fallen from the guide groove of the bottom member is displaced, and a falling passage that is disposed at the lower end of this falling passage and below the bottom member provided in the lower hopper, and that is located along the longitudinal axis of the valve guide. a second delivery passage that extends in the direction of the falling passage and receives the valve guide that has fallen from the falling passage in a sideways state; A parts feeding device comprising: two feeding rods that sequentially feed parts; and a single feeding cylinder connected to both feeding rods.