JP2563145Y2 - Dispensing device for plate-like work - Google Patents

Description

[Detailed description of the invention]

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an apparatus for turning a plate-like work such as a gear upside down as necessary and dispensing it to the next process.

[0002]

2. Description of the Related Art As a method for manufacturing a gear for a vehicle, there is known a method of sintering a compact formed by sintering to form a product. A molding device, a sintering furnace, a quenching and tempering device and various inspection devices are arranged. Then, various processes are performed continuously while transporting the work on the transport line.
Depending on the type of work, it is necessary to turn over the work and pay it out to the next process.

Conventionally, a device shown in FIGS. 6 (a) and 6 (b) is used as a device for turning over the work and discharging the work to the next process. That is, the conventional device is the base 1
00, a pair of right and left columns 101, 101 is erected, and a rotary actuator 102 is interposed between the columns 101, 101.
A crank-shaped arm 103 rotated by the arm 103 is supported.
A balance weight 104 is attached to the opposite end of the arm 103, and a work receiver 106 rotated by a rotary actuator 105 is supported at an intermediate portion of the arm 103.

In the above-described apparatus, when the work W is loaded into the work receiver 106, the work receiver 106 is rotated 180 ° to the left or right about the vertical axis by the rotary actuator 105, Next, the work W is paid out onto the roller conveyor 107 for the next process by rotating the arm 103 by about 100 ° by the rotary actuator 102.

[0005]

In the above-described conventional dispensing apparatus, the work receiver 106 rotates about a vertical axis, so that a centrifugal force acts to fly the work W sideways. For this reason, it is necessary to provide a stopper or a positioning mechanism for setting the work W at the center of the work receiver 106 so that the work W does not fall from the work receiver 106, which complicates the structure.

Further, in order to support the rotary actuator 105 for rotating the work receiver 106 on the arm 103, a balance weight 104 must be provided on the arm 103. Therefore, the weight increases, and the rotary actuator 102 for rotating the arm 103 is required. Such a load increases.

Further, in the conventional apparatus, since the work receiver 106 has to be rotated twice about different axes, it takes a long time to pay out the work.

[0008]

SUMMARY OF THE INVENTION In order to solve the above-mentioned problems, the present invention is an apparatus for selectively dispensing a plate-shaped work so that either one of a front surface and a back surface thereof becomes an upper surface, and this device comprises a pair of clamping devices. The work receiver is composed of a body, and the distance between the pair of holding bodies constituting the work receiver is larger than the thickness of the plate-like work, and openings are formed at both ends thereof so that the plate-like work can enter and exit. Of the workpiece receiving member can be rotated forward and backward integrally about a horizontal axis so that the holding member is selectively positioned above the other holding member. In this case, an opening which can be opened and closed is provided in an opening which is lower at the time of rotation so as to rotate integrally with the work receiver.

[0009]

The plate-like work is thrown into the work receiver so as not to fall on the lid. Next, the work receiver rotates forward or backward by a predetermined angle about the horizontal axis, depending on which surface of the plate-shaped work is to be dispensed with the front or back surface facing upward.

[0010]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Embodiments of the present invention will be described below with reference to the accompanying drawings. Here, FIG. 1 is an overall process diagram of a gear manufacturing apparatus incorporating the plate-like workpiece discharging device according to the present invention. The gear manufacturing apparatus is a raw material powder obtained by mixing several kinds of elements with iron, which is a main component in a mixer 1. This raw material powder is fed into the press molding device 2 by a fixed amount, and molded into a gear at high pressure.

Next, after removing burrs on the surface of the molded body formed into a gear shape by the simple deburring device 3, the molded bodies are placed one by one on a ceramic tray and fired while being placed on the ceramic tray. After passing through the furnace 5, the sintering of the compact is completed.

Then, the sintered body carried out of the sintering furnace 5 is turned on the transfer device 7 to be transferred onto the transfer device 8 and conveyed to near the end of the transfer device 8 while being naturally cooled by air. After the ceramic tray is separated from the ceramic tray by the crack inspection device 9 for cracks, the normal ceramic tray is transported again near the entrance of the sintering furnace 5, and the sintered body is transferred to the stock station. From 10, the sinter is sent to a sizing device 13 via a deburring device 11 and a phase matching device 12, and the sintered body is recompressed in the sizing device 13 to remove thermal strain and to perform dimensioning. Thereafter, the tooth surface accuracy of the sintered body is determined by the rolling device 14, and further, the dispensing device 15 is quenched with one of the front and back surfaces of the sintered body as the upper surface, taking into account the difference in quenching distortion due to the surface shape. -Discharged to the tempering device 16, the quenching / tempering device 16 continuously quenches and tempers the sintered body, and is taken out as a product through the cleaning device 17 and the magnetic inspection station 18.

Next, a specific structure of the plate-like work payout device 15 according to the present invention will be described with reference to FIGS. Here, FIG. 2 is a front view of the work dispensing device, FIG. 3 is a view along arrow AA in FIG. 2, and FIG. 4 is a view along arrow B in FIG.

The dispensing device 15 for the plate-like work is a base 2
0, a pair of columns 21 and 21 are erected.
A crank-shaped arm 23 is rotatably supported between the first and second 21 via horizontal shafts 22, 22, and a work receiver 24 is attached to an intermediate portion of the arm 23.

The work receiver 24 includes a pair of holding members 25, 25.
And a plurality of rollers 26 for facilitating the loading and unloading of the plate-like work (sintered body) W
... is provided. The spacing between the holding bodies 25 is larger than the thickness of the plate-like work W, and openings 27 and 28 are formed at both ends thereof so that the plate-like work can enter and exit. Opening 27
Has a lid 3 which can be opened and closed by a cylinder unit 29.
0 is attached.

The direction of attachment of the work receiver 24 to the arm 23 is normal or reverse so that one of the holding members 25 is selectively oriented upward with respect to the other holding member 25.

A pinion 31 is fixed to one of the horizontal shafts 22. A rack 32 meshing with the pinion 31 is reciprocated by a cylinder 33 to rotate the pinion 31 forward and reverse. And the work receiver 24 is integrally rotated.

That is, the pressure chambers S1, S
2 and S3 are defined by a partition wall 34 and a piston 35, and air pressure is supplied to the pressure chambers S1 and S2 so that the work receiver 2 is formed.
4 rotates clockwise in FIG. 3, and the work W in the work receiver 24 is moved from the opening 28 to the roller conveyor 3 to the next process.
6 is paid out.

By supplying air pressure to the pressure chamber S3, the work receiver 24 rotates counterclockwise in FIG.
The work W in the work receiver 24 is discharged from the opening 27 onto the roller conveyor 36 for the next process. Here, opening 2
7 is closed by the lid 30, so the cylinder unit 29 opens the lid 30 and pays out. Further, the pressure chamber S
By supplying air pressure to 1 and S3, the rack 32 is fixed at the neutral position, and the work receiver 24 maintains the vertical state with the opening 28 facing upward. Then, the work W is loaded in this state.

The opening and closing mechanism of the lid 30 will be described with reference to FIG.
Then, the L-shaped arm 2 fixed to the crank-shaped arm 23
The end of the cylinder unit 29 is attached to the end of the arm 23d of 3c.
Is pivoted 29a as shown in FIG.
A rod 29b extending downward from 9 is attached to the rear end of the lid 30.
The shaft 29c is moved. The middle part to the rear part of the lid 30 are inverted L upward.
The second half 30a is substantially Z-shaped in side view.
The upper bent part of the rear half part 30a
A support 23a provided on the right side (payout side) in the drawing of FIG.
Support 23b, lower end of rod 29b of cylinder unit 29
The part is pivotally supported 29c at the rear end of the rear half 30a.

In the above, as described above, the shaft 22 is
The work receiver 24 rotates counterclockwise in FIG.
The lid 30 and the cylinder unit 29 also rotate integrally,
At the tilt position where the roller W and the roller conveyor 36 coincide.
Drives the rod unit 29 to retract the rod 29b.
In this case, the lid 30 is imagined as shown in FIG.
Swinging in the direction to open the opening 27 as shown by the line,
Pay out 0.

As described above, the lid 30 is attached to the work receiver 24.
And the lid 30 is integrally rolled following the tilt of
It can be opened at the payout angle of the conveyor 36,
To the dispensing device 15 and dispensing is facilitated,
Tilt the workpiece to match the inclined conveyor
While shifting to the tilting state,
Paying out the workpiece at the fixed tilt position, opening the lid and smoothing
It can be performed reliably.

FIG. 5 is a view showing another embodiment. In this embodiment, the cover 30 is not opened and closed by a cylinder unit, but is provided on a part of the cover 30 when the work receiver 24 rotates.
A roller provided at the base of the roller conveyor 36
When the work receiver 24 is tilted by contacting the topper 39
The cover 30 is automatically opened against the spring 37 to simplify the mechanism.

[0024]

As described above, in the work dispensing device according to the present invention, the work receiver is constituted by a pair of holding bodies, and the interval between the pair of holding bodies is larger than the thickness of the plate-like work and is provided at both ends thereof. Forms an opening through which a plate-like work can enter and exit, and rotates the work receiver forward and backward integrally about a horizontal axis so that one holding body is selectively located above the other holding body. Enabled, and further provided with a lid that can be opened and closed at one of the openings formed at both ends of the work receiver, higher positioning accuracy of the work in the work receiver is not required compared to the conventional device, In addition, since the rotation of the work receiver only requires one rotation about one axis, the mechanism is simplified, and the time required from receiving the work to paying out the work is also reduced.

In particular, the present invention relates to a method in which both ends of a work receiver are formed.
Of the lower opening when receiving the work,
An openable / closable lid that rotates integrally with the work receiver is provided.
As a work payout mechanism,
Easy to be related to the carrier, and pays for the work of the rotary work holder
Simple and compact construction of the feeding mechanism
And simple and compact dispensing device for plate-like work
Can be realized.

[Brief description of the drawings]

FIG. 1 is an overall process diagram of a gear manufacturing device incorporating a plate-like workpiece discharging device according to the present invention.

FIG. 2 is a front view of the plate-like work dispensing device according to the present invention.

FIG. 3 is a view taken in the direction of arrows AA in FIG. 2;

FIG. 4 is a view taken in the direction of arrow B in FIG. 2;

FIG. 5 is a diagram showing another embodiment.

FIG. 6A is a front view of a conventional dispensing device, and FIG.
Is a sectional side view of a conventional dispensing device

[Explanation of symbols]

15 ... Discharge device for plate-like work, 20 ... Base, 21
… Posts, 22… horizontal axis, 23… arms, 24… workpiece receiver, 25… clamping body, 26… rollers, 27, 28… openings,
29: cylinder unit, 30: lid.

Claims (2)

(57) [Scope of request for utility model registration] 1. A one of the front and back surfaces of the plate-shaped workpiece is paid out and selected such that the upper surface apparatus, the apparatus comprises a workpiece receiving comprising a pair of clamping members, a pair that constitute the work socket The distance between the holding bodies is larger than the thickness of the plate-like work, and openings are formed at both ends thereof so that the plate-like work can enter and exit . The work receiver can selectively hold one of the holding bodies with respect to the other. is integrally rotated normally and reversible about a horizontal axis so that the upper side, further word of the openings formed at both ends of the workpiece receiving
In the opening below when receiving the workpiece,
Openable lid for the body to rotate are provided, dispenser plate workpiece, characterized in that. 2. The plate-work dispensing device according to claim 1, wherein the pair of holding bodies forming the work receiver include a plurality of rollers that contact the plate-like work.