JPH07265977A - Device for feeding and ejecting work to working machine or the like - Google Patents

Abstract

PURPOSE:To execute work feeding at high speed by forwarding and backwarding, pivotally moving and vertically moving plural fingers which are arranged side by side at intervals equal to the intervals between a feeding part, machining part and ejecting part and making the pivotally attaching point into coincide with the centroid of the fingers and forwarding/backwarding means. CONSTITUTION:A work is dropped from guide rails 14 and stopped in the work feeding part 15. The work is clamped with the fingers 10 in extended positions. An assembly including the fingers 10, forwarding/backwarding actuators 30 and pivotal movement actuators 45, etc., is elevated with an elevating/lowering actuator 60 and the work is separated from the feeding part 15. The fingers 10 for clamping the work are pivotally moved to the right side, elevated, lowered after moving forward and sent to the next die 13 with the forwarding/ backwarding actuators 30. By sequence control, prescribed machining is applied to the work, successively, the work is sent to the die 13 and, lastly, ejected in the ejecting part 16. Since the work is cross-fed simultaneously by pivotal motion, the work can be cross-fed at high speed.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention automatically supplies or discharges a work to a plurality of dies such as a press in a deburring device for automatically removing burrs generated on the outer peripheral edge of the work. The present invention relates to a work supply / discharge device.

[0002]

2. Description of the Related Art An engine valve is manufactured by pressing a cylindrical material by a hot squeezing method to form an intermediate body that is a prototype of the engine valve, and then subjecting it to a heat treatment process and various machining processes. To be done.

In a work press-molded by the hot squeezing method, an annular flash is generated at the outer peripheral end of the umbrella portion (head) due to the excess meat of the raw material, and it is necessary to remove it. Conventionally, such a burr has been generally removed by using a lathe, but since the lathe takes a long processing time and the productivity cannot be improved, the applicant of the present application has developed a deburring device to replace the deburring. Have already applied for a patent (Japanese Patent Application No. 5-
43337).

[0004]

The pressing machine in this deburring device is provided with a flash punching die and a die for crushing the upward flash generated during punching, and these two dies have work receiving portions. In the past, there is no device that smoothly and quickly supplies the gripped work, or conveys the processed work to the work discharge part and discharges it.Therefore, it takes time to supply and discharge the work, and the performance of the deburring device is improved. I couldn't fully demonstrate it.

The present invention has been made in view of the above problems, and automatically supplies and discharges a work in synchronism with the operation of the deburring device, thereby efficiently operating the deburring press device or the like. It is an object of the present invention to provide a work supply / discharge device which is designed to be obtained.

[0006]

In order to achieve the above object, the present invention sequentially feeds a work held by a work receiving section to a plurality of processing sections arranged side by side of the work receiving section. A work supply / discharging device for a processing machine or the like configured to send a processed work to a side work discharge part, which is installed in parallel at an interval equal to the interval between the supply part, the processing part, and the discharge part. A plurality of fingers to be gripped and released; an advancing / retreating means provided corresponding to each finger to advance / retreat the finger; a pivoting means to pivot the finger and the advancing / retreating means by a rotation angle corresponding to the equal interval; Fingers,
An ascending / descending means for moving the advancing / retreating means and the pivoting means up and down, and
Provided is a work supply / discharge device for a processing machine or the like, which is provided near the moment center of gravity of the fingers and the advancing / retreating means when the fingers are retracted and in the vicinity thereof.

[0007]

According to the apparatus of the present invention, after the fingers grip the work in the work receiving portion and each work portion by the operation of each advancing / retreating means, each finger is lifted upward by the elevating means to retract each finger. Then, each finger and the advancing / retreating means are pivoted to the work discharge part side, then each finger is advanced, the work is lowered downward, and it is sequentially fed to the next processing part and work discharge part. There is.

[0008]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS A work supply / discharge apparatus according to the present invention will be described below with reference to the accompanying drawings.

First, referring to FIG. 1, which is a plan view of a work supply / discharge apparatus according to the present invention. As shown in the figure, this work supply / discharge device is provided with a plurality of fingers (10) for gripping and releasing a work, and corresponding to each finger, and pivots for pivoting the fingers (10) and advancing / retreating means (30). Means (40)
(FIG. 2) and an elevating means (60) for vertically moving the above components are mainly provided.

In the illustrated embodiment, three fingers (10) for gripping and releasing the work are arranged at equal intervals. The interval between these fingers (10) is the work processing machine installed in parallel with the work supply / discharge device, in this embodiment, the work processing part of the deburring device (12) of the valve head (11) of the engine valve, that is, deburring. It is equal to the distance between the dies (13) and the distance between the dies (13) and the work supply part (15) and the work discharge part (16) of the guide rails (14) installed on both sides thereof. These fingers (10) are provided by a finger actuating actuator (17) such as hydraulic, pneumatic or electromagnetic actuators.
(W), that is, the valve stem portion can be grasped and released.

The finger (10) and the finger actuating actuator (17) are in the extended position, that is, when the finger (10) is located at the die (13) and the work supply part (15) or the work discharge part (16).
An advance / retreat means (30) for advancing / retreating between the upper position and the contracted position, that is, the retracted position is provided for each finger (10). The advancing / retreating means (30) is composed of a double-acting pneumatic actuator (air cylinder), as shown in detail in FIG. This forward / backward actuator (30) is provided with cylinder chambers (31) and (32) on the left and right (Fig. 3), and a fixed piston (33) and a moving piston (34) are provided in each chamber (31) (32). Is slidably accommodated.

A rod fixing plate (35) is fixed to the fixed piston (33), a rod mounting plate (36) is fixed to the moving piston (34), and two upper and lower mounting plates (36) are attached. Parallel rod (3
7) is fixed, and an actuator (17) and a finger (10) are attached to the tip thereof.

The parallel rod (37) slidably penetrates through the fixed plate (35) and a support base (43) for supporting the fixed plate (35). Under proper sequence control, when air pressure is introduced inside the cylinder chambers (31) (32), the whole actuator (30) and the moving piston (34) move to the left side (Fig. 3), and the fingers (10 ) Is retracted while supporting the work (W). Conversely, when air pressure is applied to the outer chamber, the fingers 10 shown in Figure 3 are moved to the extended position. In this manner, the finger (1
0), that is, the work (W) can be moved back and forth.

Further, the finger (10) can be freely pivoted by a pivoting means (40). The pivoting means (40) includes a pivot shaft (42) upright on the support base (41), a support base (43) pivotally attached to the pivot shaft (42), and a support base (41).
Mounted on the lower rod (37) via spherical bearings (44)
And a pivotal drive actuator (45) coupled to the.

The spherical bearings (44) attached to the rods (37) are linked together by a single connecting plate (46). Both ends of the connecting plate (46) are connected to both ends of the piston rod (45a) of the actuator (45), and when the pivot drive actuator (45) is activated and the rod (45a) contracts, each finger ( At the same time, 10) pivots about the pivot shaft (42).

The pivot shaft (42) is substantially the moment center of gravity of the assembly of the support base (43), the advancing / retreating actuator (30) and the rod (37), the finger actuating actuator (17) and the finger (10) and its center. Since it is provided in the vicinity, the pivotal movement of the finger (10) can be performed at high speed and without causing an undesired transient phenomenon such as overrun.

As shown in FIG. 3, the support base (41), that is, the entire assembly of the finger (10), the advancing / retreating actuator (30) and the pivoting actuator (45) is in an up / down position (upper position is 2). It is movable up and down by a lifting means (60), that is, a lifting actuator (60), between the broken line and the lower position shown by a solid line.

The lifting actuator (60) is a mounting plate.
It is fixed to a supporting mount (66) (Fig. 1) as shown in Fig. 1 via (62) and a mounting bolt (64). As shown in FIG. 1, the support mount (66) is substantially trapezoidal in plan view, and one end (left side) is pivotally attached to the processing machine (12), that is, the deburring machine body, and the other Is fixed so that it can be attached, and the entire assembly can be separated from the flash attachment device (12) at the time of inspection and repair.

Next, the operation of the work supply / discharge apparatus according to the present invention will be described. As shown in FIG. 2, the work (W) dropped on the guide rail (14) and stopped by the work supply unit (15) is placed in the extended position as shown in FIG.
It is gripped by (10), and the actuator for moving back and forth (30)
The assembly including the pivot actuator (45) and the like is lifted by the lifting actuator (60), and the work (W) is separated from the work supply unit (15).

Next, the finger (10) holding the work (W)
Is pivoted to the right in FIGS. 1 and 3 by the advancing / retreating actuator (30), then raised, moved forward and lowered, and sent to the next die (13). By such sequence control, the work (W) undergoes predetermined processing and is sequentially die-cut.
Sent to (13).

In the illustrated embodiment, the number of fingers (10) is three, but it is also possible to add the number to the number required for processing. Further, in the illustrated embodiment, the work (W) is an engine valve, but it may be other work, and the processing machine may be a device other than the deburring device.

[0022]

According to the work supply / discharge apparatus of the present invention, since the lateral movement of the work is simultaneously performed by the pivotal movement, the work can be fed at a high speed. Further, since the center of the pivoting motion is installed near the moment center of gravity of the pivoted finger and the actuator for advancing / retreating, the pivoting is fast, and there is no undesired transient phenomenon such as overrun. , Very few.

[Brief description of drawings]

FIG. 1 is a plan view showing an embodiment of a work conveying / discharging device according to the present invention.

FIG. 2 is a sectional view of a main part taken along the line II-II of FIG.

FIG. 3 is a sectional view of the main part, which is also taken along the line III-III of FIG.

[Explanation of symbols]

 (10) Finger (11) Valve head (12) Deburring device (13) Die (work processing part) (14) Guide rail (15) Work supply part (16) Work discharge part (17) Actuator for finger operation (30) ) Forward / backward actuator (31) (32) Cylinder chamber (33) Fixed piston (34) Moving piston (35) Rod fixing plate (36) Rod mounting plate (37) Parallel rod (39) Cylinder (40) Pivoting means ( 41) Support base (42) Pivot shaft (43) Support base (44) Spherical bearing (45) Pivot drive actuator (46) Connecting plate (60) Lifting actuator (62) Mounting plate (64) Mounting bolt (66 ) Mount (W) Work

Claims (1)

[Claims] 1. A workpiece gripped in a workpiece receiving section is fed in sequence to a plurality of processing sections arranged side by side of the workpiece receiving section, and the processed workpiece is sent out to a side workpiece discharge section. Is a device for supplying and discharging workpieces to a processing machine, etc., which are arranged in parallel at equal intervals between the supply unit, the processing unit, and the discharge unit, and which are provided corresponding to each finger for gripping and releasing the workpiece. An advancing / retreating means for advancing / retreating the finger, a pivoting means for pivoting the finger and the advancing / retreating means by a rotation angle corresponding to the equal intervals, and an elevating / lowering means for vertically moving the finger, the advancing / retreating means and the pivoting means. A workpiece for a processing machine or the like, characterized in that the pivot point at which the finger and the advancing / retreating means pivot is provided near the moment center of gravity of the finger and the advancing / retreating means at the time of retreating the finger and its vicinity. A sheet discharge device.