JPH0596438A - Workpiece discharge device - Google Patents

Abstract

PURPOSE:To discharge a workpiece to the outside only by parallel action, through retracting action of a moving plate and spreading action of a guide path, by releasing a clamp after the workpiece inserted to the guide path in a condition restricted to a fixed attitude is guide-moved by advancing action of the moving plate and positioning-clamped to a predetermined position. CONSTITUTION:A groove of guide 32 is formed by a plurality of blocks in a guide base provided on a base table 10, and also a moving plate 40 formed with a notched recessed part 44 for storing a workpiece 20 is provided movably to advance/retract on this guide base. On the other hand, by movably constituting partly the block, by which the guide groove 32 is formed, and also by forming a through discharge hole 38 on the base table just below the block, multifunctioning can be attained while simplifying a device.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a work discharge device, and more particularly, a work carried in to a specific position is inserted into a guide path and constrained in a certain posture, and is guided and moved to a predetermined position by a moving plate for positioning. The present invention relates to a work discharge device that discharges to the outside through a through hole provided immediately below when a work that has been clamped and unclamped is moved backward.

[0002]

2. Description of the Related Art Conventionally, a work discharge device for moving a work carried into a specific position to a predetermined position, positioning and clamping the work in a fixed posture, and then performing a process of discharging the work is known as a work discharge device. The steps of moving to position and clamping the workpiece and discharging the workpiece are performed by separate and independent devices.

[0003]

However, in the work discharging device thus constructed, the cycle time becomes long because the mounting device and the separate device perform the sequential operations respectively, and therefore the work discharging device has a long cycle time. It requires a large area, requires an electrical interlock when transferring a work between the apparatuses, and has a problem that the apparatus is dedicated and the configuration is complicated and the cost is high.

Therefore, an object of the present invention is to guide and move a work carried in to a specific position to a predetermined position by a moving plate in a state where the work is inserted into a guide path and constrained in a fixed posture, and the clamp is released. When the work is moved backward, it has a function to perform the process of discharging to the outside through the through hole provided directly below by the expansion operation of the guide path only by the backward movement operation of the moving plate and the expansion operation of the guide path. As a result, the cycle time of the entire apparatus is significantly shortened, the apparatus is generalized, it is easy to deal with various works, and the structure is simple and compact.

[0005]

In order to achieve the above object, in a work discharging device for positioning and clamping a work carried in to a specific position and then discharging the work, the work discharging device is provided on a base. A guide base is provided on which a contact portion is provided and a guide path for guiding and constraining the workpiece in a fixed posture is provided for the contact portion, and one end of the guide base is connected to the actuator and the other end side surface is provided. A plate-like moving plate having a notched recess for accommodating a work is provided so as to be movable back and forth, and a protrusion is provided on one of two surfaces which are orthogonal to the axis of the guide path of the notched recess and face each other. A clamping portion for positioning and clamping the workpiece by the forward movement is formed by the abutting portion and the protrusion, and a locking portion is provided on the other surface, and the backward movement of the actuator causes the workpiece to move. A work discharging device for discharging the dust is provided at the rear of the guide base. The work discharging device forms a through hole in a base behind the guide base, and one of the guide bases forming the guide path. The guide is separated from the guide path so that it can move back and forth in a direction orthogonal to the axis of the guide path, and the work whose clamp is released is locked by the locking portion of the move plate by the retreating operation of the move plate. It is characterized in that the work, which has been moved backward in the guide path to a predetermined position, is discharged through a through hole provided directly below the work by the expanding operation of the guide path.

[0006]

According to the work discharging apparatus of the present invention, the work carried in to a specific position is inserted into the guide path and is constrained in a certain posture, and is guided and moved to a predetermined position by the moving plate for positioning and clamping. When the work that has been released is moved backward, the step of discharging the work to the outside through the through hole provided directly below by the expansion operation of the guide path is executed only by the backward movement operation of the moving plate and the expansion operation of the guide path. By providing the function, the cycle time of the entire apparatus can be significantly shortened, the apparatus can be generalized, and various works can be easily handled, and the configuration can be simple and compact.

[0007]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENT An embodiment of a work discharging apparatus according to the present invention will be described below in detail with reference to the accompanying drawings. FIG. 1 is a side view showing a partial cross-section of a base equipped with a work discharging device of the present invention, and FIG. 2 is a view taken in the direction of arrow A in FIG. In the figure, reference numeral 10 indicates a base, which is movable in a predetermined section in this embodiment.

That is, the base 10 is guided and supported by a drive source (not shown) so as to be movable back and forth on three rails 14 arranged in parallel on a base 12 at a predetermined interval via linear motion bearings. And a tilt block 18 which is fixed on the table 16 and whose upper surface is tilted at a predetermined angle, and a work clamp device 22 for mounting a work 20 is provided on the tilted upper surface of the tilt block 18.

In this case, in the work 20 attached to the clamp device 22, for example, as shown in FIGS. 3 and 4, an inclined shaft 26 inclined at a predetermined angle is implanted on the upper surface of a plate-like substrate 24 formed in a different shape. Flanges having the same diameter are formed below the two pins 28 and 30 which are vertically inserted through the board 24.

When the work 20 thus constructed is mounted on the tilt block 18, the tilt shaft 26 of the work 20 is attached.
The tilting angle of the tilting block 18 is determined so that is vertical (see FIG. 1). When the work 20 is fixed by a moving plate provided on the tilt block 18 as described later, the work 20 on the tilt block 18 is accurately moved to a measurement position (not shown) by the movement of the base 10 by the action of an actuator (not shown). Be positioned at.

The tilted shaft 26 of the positioned work 20
Is measured by a measuring device at two points above and below the outer circumference (two points with different 90 ° angles in the same plane), and the measured values are calculated in the control device to obtain the angle and position of the tilt axis. The quality of the work is determined by comparing this with a reference value.

Further, on the inclined block 18, two pins 28, 30 projecting from the lower surface of the work 20 are guided in series in a linear direction in a predetermined range in an outer diameter of a flange provided on each pin. And a pair of rectangular blocks 34a, 34b and 34 having a rectangular cross section which form a guide groove 32 as a guide path of the work with a width corresponding to
The guide base 34 made of c is attached to the guide groove 32.
An abutment block 36 having a V-shaped groove 35 formed as an abutment portion is attached to the end of the. The groove width of the guide groove 32 in the vicinity of the contact block 36 is equal to that of the block 34
a and 34b are formed in a narrow width by projecting the upper portions of the opposite surfaces to each other,
A locking portion for guiding the outer diameter portion of the two pins 28, 30 between the bottom portion of the substrate 24 of the work 20 and the flange is formed.

The clamp device 22 is constructed as follows. As shown in FIG. 2, on a plurality of block upper planes that form a guide base 34 having a guide groove 32, a moving plate 40 that mounts and discharges the work 20 by only reciprocating motion is provided with an actuator 42 (for example, a pneumatic cylinder).
Is slidably supported so as to advance and retreat in parallel with the guide groove 32.

That is, the movable plate 40 has a notched concave portion 44 formed on the side surface at the front end for accommodating the work 20.
The substrate 24 of the work 20 is moved by the forward movement of the actuator 42 on one of the two surfaces (actuator side) of the cutout recess 44 which are orthogonal to the movement axis of the movement plate 40 and which face each other.
Forming a clamp part having a protrusion 46 for pressing the side surface,
On the side surface opposite to this, a locking portion 48 is formed that locks with the side surface of the substrate 24 of the work 20 by the backward movement of the actuator 42 when the pressing is released. Further, an actuator 50 is mounted on the inclined surface of the inclined block 18 in the vicinity of the contact block 36 perpendicularly to this surface via a stand 52, and a pusher 54 vertically connected to the actuator 50 by the actuator 50. Is pressed against the upper surface of the work substrate 24 (see FIG. 1). With the clamp device configured as described above, the side surface and the upper surface of the work can be pressed to reliably position and hold the work.

Further, the work discharging device is constructed as follows. As shown in FIGS. 1 to 4, the guide base 34
A block 34c disposed adjacent to the block 34b constituting the above is provided so as to be movable back and forth in a direction orthogonal to the guide groove 32 by the actuator 33, and the block 34c is brought into contact with the moving block 34c by retreating. When the guide groove 32 spreads apart from the block 34a, a through discharge hole 38 is formed in the inclined block 18 for discharging the work 20 that has moved backward along the guide groove 32 to the outside thereof. See FIG. 4 (b)].

The work discharging device thus constructed operates as follows. That is, (a) and (b) shown in FIG. 3 and (a) of FIG. 4 show work clamp and discharge operation explanatory views in which the arrow A of FIG. 1 is partially enlarged, and (b) of FIG. It is a BB sectional view of (a) shown in FIG.
3A shows a state in which the work is clamped, FIG. 3B shows a state in which the work is unclamped and moved backward, and FIGS. 4A and 4B discharge the work. It is operation | movement explanatory drawing which shows a state. First, when the actuator 42 is operated to move the moving plate 40 forward, the work 20 presses the side surface of the substrate 24 by the projection 46 provided on the inner surface of the cutout recess 44, so that the two pins are removed. When the work 20 is guided and moved while being engaged with the guide groove 32 and restraining the posture of the work 20 in a certain direction, the two pins 28 and 30 are locked to the locking portions of the pair of blocks 34a and 34b.

In this state, when the work 20 is further advanced by the moving plate 40, the pin 28 provided at the tip of the substrate 24 has the V groove 35 formed in the contact block 36.
The side surface of the substrate opposite to the pin 28 abuts on the protrusion of the moving plate 40, and the work 20 is clamped by the protrusion 40 and the V groove 35. At the same time, the upper surface of the substrate 24 is also pressed by the pressing member 54. It is pressed by and can be securely clamped. Next, when the movable plate 40 is retracted by the operation of the actuator 42 after the clamp of the work 20 is released, the work 20 moves to the movable plate 4
0 is engaged with the engaging portion 48, and the two pins are guided by the guide groove 32 to move backward to a predetermined position.
When the block is activated, the one block 34 forming the guide groove 32 is formed.
c moves backward.

As a result, the work 20 supported on the block 34c is expanded by the guide groove 32 so that the base 1
It passes through the zero through discharge hole 38, falls, and is discharged to the outside. As described above, according to the embodiment of the present invention, it is possible to discharge the work without using an independent device for each process only by the backward movement operation of the moving plate and the parallel operation of expanding the guide groove. It can be shortened.

[0019]

As is apparent from the above-described embodiments, according to the work discharging apparatus of the present invention, the contact portion is provided on the base and the work is restrained in a fixed posture with respect to the contact portion. By providing a guide base with a guide path formed on it, one end of the guide base is connected to the actuator, and a plate-shaped moving plate with a notched concave portion on the other end side surface for storing a work can be moved back and forth. A protrusion is provided on one of two surfaces that are orthogonal to the axis of the guide path of the notched concave portion and face each other, and form a clamp portion that positions and clamps the workpiece by the forward movement of the actuator by the contact portion and the protrusion. Also, a locking portion is provided on the other surface, and a work discharging device that discharges the work by the backward movement of the actuator is provided at the rear of the guide base. A through hole is formed in the base behind the id base, and one of the guide bases forming the guide path is separated from the guide path so that the guide base can be moved back and forth in a direction orthogonal to the axis of the guide path, and the clamp is released. The retracted work of the movable plate is engaged with the engaging portion of the movable plate to move the guide path backward to a predetermined position, and the work is expanded to expand the guide path. In addition, the cycle time of the entire device is greatly shortened by making it possible to discharge through the device, and the device is generalized and it is easy to deal with various works, the structure is simple and compact, and the manufacturing cost is reduced. It has an excellent effect such as being able to. Although the preferred embodiments of the present invention have been described above, the present invention is not limited to the above embodiments, and it is needless to say that various design changes can be made without departing from the spirit of the present invention.

[Brief description of drawings]

FIG. 1 is a side view showing an embodiment of a work discharging device according to the present invention and showing a partial cross section of a base equipped with the work discharging device.

FIG. 2 is a view on arrow A in FIG.

3A and 3B are explanatory views of a work clamp and a discharge operation, which are partially enlarged views of the view of FIG. 1A, in which FIG. 3A shows a state in which the work is clamped, and FIG. It shows a state in which the removed work is moved backward.

FIG. 4 is a partially enlarged view for explaining the work discharge operation of the view taken along the arrow A in FIG. 1, in which (a) shows a state in which the guide groove is widened and the work is dropped; 8A is a BB cross-sectional view of FIG.

[Explanation of symbols]

10 Base 12 Base 14 Rail 16 Table 18 Tilt Block 20 Work 22 Clamping Device 24 Board 26 Tilt Shaft 28,30 Pin 32 Guide Groove 33,42,50
Actuator 34 guide bases 34a, 34b,
34c Block 36 Abutment Block 38 Through Discharge Hole 40 Moving Plate 44 Notch Recess 46 Protrusion 48 Locking Part 52 Stand 54 Presser

Claims (1)

[Claims] 1. A work discharging device for positioning and clamping a work carried in to a specific position and then discharging the work, wherein the work discharging device has a contact portion on a base and the contact portion. On the other hand, there is provided a guide base on which a guide path is formed for constraining and guiding the work in a fixed posture, one end of which is connected to the actuator and the other end side surface of which is provided with a notched recess for accommodating the work. -Shaped moving plate is provided so as to be able to move forward and backward, and a protrusion is provided on one of two surfaces that are orthogonal to the axis of the guide path of the notched concave portion and face each other. The work ejecting device that ejects the work by retracting the actuator by forming a clamp part for positioning and clamping by the It is installed at the rear of the base.
A through hole is formed in a base behind the guide base, and one of the guide bases forming the guide path is separated from the guide path so that the guide base can move forward and backward in a direction orthogonal to the axis of the guide path. The work that has been released is locked by the locking portion of the moving plate by the retreating operation of the moving plate, and the work that has moved backward in the guide path to a predetermined position is provided immediately below by the expanding operation of the guide path. A work discharging device configured to discharge through a through hole.