JPS60141454A - Engine-valve loading apparatus - Google Patents

Abstract

PURPOSE:To feed valves efficiently by forming a guide groove for guiding in slidable ways a stem part on the engine-valve feeding side in a guide part and installing an arm which is engaged with the push part on the valve pushing-out side and vibrated downward when the valve is fed. CONSTITUTION:A driving source for engaging a cam block 14 with a movable plate 22 and moving a guide member 24 and an arm 34 in the direction crossing at right angles with the shaft core 104 of a chuck apparatus, trailing the extension and contraction movement of a push head 15, and for supplying an engine valve 101 to the chuck apparatus 103 and a driving source for separating the guide member 24 and the arm 34 from the chuck apparatus 103 after the engine valve 101 is supplied can be used in common, and a loading apparatus 1 can be operated by a single hydraulic cylinder 12. Therefore, the structure of the apparatus can be simplified and made compact, and the engine valve 101 can be supplied certainly and efficiently in a short time.

Description

DETAILED DESCRIPTION OF THE INVENTION The present invention relates to a loading device for automatically supplying engine valves to a machine for processing both ends simultaneously.

The present applicant has already applied in Japanese Patent Application No. 58-91043 for a double-end simultaneous processing machine equipped with an Intex main body that incorporates an engine valve chuck device at both ends and rotates around the center. The present invention relates to a device for automatically feeding an engine valve to a chuck device in the present application.

The engine valve consists of a small-diameter shaft-shaped stem part and a large-diameter umbrella-shaped valve part. In order to align the pulp with the core and to clamp the stem part for processing, the engine valve is sent out from the stem part side, and the processed engine valve is delivered from the umbrella-shaped pulp part side, that is, to the feeding side. After the engine valve is fed out, it is necessary to separate it from the chuck device.

Therefore, the loading device requires two drive sources: one drive source such as a hydraulic cylinder that sends the engine valve to the chuck device, and one drive source that separates it from the chuck device after the engine valve is fed, so the number of parts increases and the structure is complicated. However, since the engine valve has a stem portion and a pulp portion with different diameters, the shape of the guide for slidingly guiding the engine valve becomes complicated.

The present invention has been devised in view of the above circumstances, and an object of the present invention is to cause the engine valve to be fed out and moved away from the chuck device by a single driving source, and to further shape the guide. To provide an engine valve loading device which can simplify the process, reduce the number of parts as much as possible, have a simple structure, and efficiently and reliably feed the engine valve.

In order to achieve the above-mentioned object, the present invention provides a guide section with an open upper part that can slide and guide the pulp section of the engine valve in the axial direction of the engine valve, and a bush head for pushing out the engine valve. A bushing part is provided on the extrusion side of the valve and is movable in a direction parallel to the guide center of the guide part. A movable plate is provided so as to be movable in a direction perpendicular to the guide center of the guide part so as to align with the axis, and a concave guide groove is provided on the delivery side of the engine valve in the guide part so that the stem part can be slidably guided. The engine valve is characterized in that it is provided with an arm that engages with the bushing portion and swings downward when the engine valve is fed out.

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

FIG. 1 is a plan view of the device, FIG. 2 is a front view thereof, and FIG. 3 is a view taken in the direction of arrow 2 in FIG.

The loading device 1 is installed near the chuck device 103 in the machine 102 for simultaneously processing both ends of the engine valve 101,
A bracket 3 is erected at one end of the base 2, and a rail 4 is mounted on the base 2 in a direction perpendicular to the axis 104 of the chuck device 103.

A hydraulic cylinder 12 is attached to the bracket 3 with the axis 11 aligned with the axis 104 of the chuck device, and a cam block 14 is attached to the front of the operating rod 13 of the hydraulic cylinder 12.
At the same time, a bush head 15 is attached to the front end of the operating rod 13 to allow the umbrella-shaped valve portion 101a of the engine valve 101 to be pushed out freely.

As shown in FIGS. 4 and 5, the guide block 14 has one end through which the actuating rod 13 is inserted, a cam follower 16 hanging down at the other end, and a cam surface 17 formed on the intermediate lower surface.

A guide rod 18 is extended from the cam block 14, and is pushed through a slider 19 fitted to the bracket 3, so that when the hydraulic cylinder 12 is extended or contracted, the bush head 15 and the cam block 14 are moved forward and backward. To make the movement smooth and reliable.

A movable plate 22 is provided on the rail 4 so as to be movable in a direction perpendicular to the axis 104 of the chuck device by engaging a downwardly concave groove 21 therein.

On the side of the movable plate 22 closer to the chuck device 103, there is a concave guide groove 2 for freely slidingly guiding the pulp portion 101a.
3 is installed, and the guide groove 23 makes the guide center 25 parallel to the chuck device axis 104.

An arm 32 is provided on the side surface of the guide member 24 via a support shaft 31 so as to be able to swing vertically. It consists of a bent portion 34 that is bent from the end and faces the end of the guide member 24 on the chuck device 103 side.

An engine valve 101 is attached to the bent portion 34 of the arm 32.
A groove 35 is formed to freely guide the stem portion 101b, and the valve portion 101a is placed in the guide groove 23.
When the stem portions 101b are placed on the respective guide grooves 23, Concave groove 35
The arm 32 is urged to swing upward by a torsion spring wound around the support shaft 31 so as to form such a state, and the upward swing of the arm 32 is appropriately restricted by a locking means. The cam block 1 is attached to the double line portion of the portion 33.
The cam surface 36 is formed at a height that engages with the cam surface 17 of No. 4.

A cam groove 41 is formed in the upper surface of the movable plate 22, and the cam follower 16 is engaged with the cam groove 41.

The cam groove 41 has a straight portion 4 parallel to the cylinder axis 11.
2 and a sloped part 43 near the cylinder 12. When the hydraulic cylinder 12 is extended, the cam follower 16, which moves together with the cam block 14 toward the chuck device 103, moves the movable plate 22 to the hydraulic cylinder via the sloped part 43. Before the bushing head 15 moves in a direction perpendicular to the axis 11 and comes into contact with the valve part 101a of the engine valve 101 placed on the guide member 24, the engine valve axis 105 is moved to the chuck device axis 104 and the hydraulic cylinder axis. It is formed to match the core 11. When the cam follower 16 passes through the straight part 42, this state is maintained, and the chucking device 1 of the valve part 101a is caused by the advancement of the bushing head 15.
03, the cam surfaces 17.36 engage as shown in FIG. 5, causing the bent portion 34 to swing downward about the support shaft 31, so that the valve portion 101a passes above the bent portion 34. A shoe 1 mechanism (not shown) is provided below the location between the chuck device 103 and the hydraulic cylinder 12, and moves the engine valve 101 discharged from the chuck device fi103 after processing to an appropriate location.

Next, the operation of feeding the engine valve 101 to the chuck device 103 of the processing machine 102 by the loading device 1 will be explained.

First, as shown in FIG. 1, the hydraulic cylinder 12 is in a contracted state, the moving plate 22 is retracted, and the guide portion 4A24 and the -arm 32 are spaced apart from the chuck device axis 104. In this state, the valve part 101a and the kite part;
24, the engine valve 10 is placed in the groove 35 of the stem portion 101b and the K arm 32, respectively.
1 into the hydraulic cylinder 12 by appropriate means.
is extended, and the movable plate 22 is moved by the engagement between the cam follower 16 and the cam groove 41 as shown by the imaginary line in FIG.
Match 04. Eventually, as the oil pressure/cylinder 12 is extended, the bushing head 15 comes into contact with the valve portion 101a, and the bushing head 15 feeds the engine valve 101 into the chuck device 103. When passing through the 34 bent portions of the valve portion 101a, the cam surface 17°36 engages.
The bent portion 34 swings downward about the support shaft 31, and the valve portion 101a passes through one of the bent portions 34-1.

After the engine valve 101 is sent to the chuck device 103, the hydraulic cylinder 12 is operated to contract, and the engine valve 10 is returned to its original state by the reverse operation.
1 onto the old guide part 24 and the bent part 34 of the arm 32. On the other hand, the /ζ engine valve 101, whose both ends are simultaneously machined, is ejected from the chuck device fZ:103 when the movable plate 22 is in the backward 1-/ζ state, is moved by the shoe mechanism as appropriate, and the above operation is repeated. The engine valve 101 is automatically supplied to the chuck device 103 and discharged from the chuck device 103.

In the above, the cam block 14 and the movable plate 22 are engaged, and the guide member 24 and the arm 34 are moved in a direction perpendicular to the chuck device axis 104 by following the expansion and contraction movement of the bush head 15. 101 to the chuck device 103, a guide member 24 and an arm 34 after feeding the engine valve 101.
The loading device 1 can be used in common with the 5 driving sources that separate the chuck device 103 from the chuck device 103. Therefore, the loading device 1 can be operated with a single hydraulic cylinder 12, which reduces the number of parts as much as possible and at the same time simplifies the structure of the device. It can be made compact, and the engine pulp 101 can still be sent out reliably in a short period of time with full efficiency.

Furthermore, since the guide member 24 for slidingly guiding the valve portion 101a of the engine pulp 101 and the arm 32 for slidingly guiding the stem portion 101b are provided separately, the guide shapes 23 and 35 of the guide member 24 and the arm 32 can be simplified. In addition, since the cam block 14 and the arm 32 are engaged with each other to swing the arm 32 downward when the engine pulp 101 is delivered, the drive for swinging the arm 32 is reduced. According to the present invention, it is possible to feed the pulp section 101a without having to visit the source, etc. As is clear from the above description, according to the present invention, engine pulp can be efficiently and reliably fed to the chuck device of the processing machine. Moreover, it exhibits many excellent effects such as reducing the number of parts as much as possible, simplifying the structure of the device, and making it more compact.

[Brief explanation of the drawing]

Figure 1 is a plan view of the loading device, Figure 2 is a front view of the same, Figure 3 is the ■1 heavy tax country in Figure 2, and Figure 4 is ■- in Figure 1.
(2) Line sectional view, FIG. 5 is a sectional view showing a state in which the arm and the cam block are engaged. In the drawing, 1 is a loading device, 101 is an engine pulp, 102 is a processing machine, 103 is a chuck device, 12 is a hydraulic cylinder, 14 is a cam block, 15 is a shaft head, 16 is a cam follower, 22 is a movable plate, and 24 is a guide section side. , 32 is an arm. Patent Applicant Honda Motor Co., Ltd. Agent Patent Attorney 2 1) Company Name Patent Attorney Kuni Ohashi Otoma Patent Attorney Koyama Kodai Figure 1 Figure 41-1 Yunjj S Figure

Claims (1)

[Scope of Claims] A loading device for feeding an engine valve to a chuck device ξ of a processing machine, comprising: a guide portion whose two sides are open and capable of slidingly guiding the engine valve in the axial direction of the engine valve; ``lfJ jjL A bushing part is provided on the pushing side of the engine knob valve in the guide part so as to be able to expand and contract in a direction parallel to the guide center of the guide part, and has a bushing head for pushing out the engine valve, and the guide part is fixedly attached. a movable plate movable in a direction perpendicular to the guide center of the guide portion so as to align the guide center of the guide portion with the axis of the chuck device when the bush portion is extended; and an engine valve. The stem part is slidably guided and has a concave guide groove 7'j, which is provided on the engine valve delivery side of the guide part, and engages with the bushing part when the engine valve is delivered to prevent the pulp part from being delivered. An engine valve loading device characterized by comprising: an arm that swings downward to freely move the engine valve;