JPH069040A - Distributing device for work to plural conveying paths - Google Patents

Abstract

PURPOSE:To surely distribute a large number of works aligned in one row on a work supply path to a plurality of sliding grooves on a distribution path. CONSTITUTION:A plurality of work holding devices 21 and 22 provided at a lateral feeding device 9 hold a plurality of works aligned in one row on a supply path 29 respectively, and then are elevated and the lateral feeding device 9 is moved sidewise (left). In the middle of it, the front work holding device 21 is stopped by stopper devices 24 and 26, while the rear work holding device 22 is continuously moved to the left end and stopped at a predetermined position. At this time, as the work holding devices 21 and 22 are dislocated from each other to right and left, the work holding devices 21 and 22 are lowered by an elevating means 17 in this state and the held works 1 are released. Then, the works 1 are transferred to each of sliding grooves (conveying path) 33a in a distribution path 33.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention corresponds to a plurality of sets of press dies from a work supply path for conveying a material (hereinafter referred to as a work) to be formed into an engine valve by a hot squeezing method in a single row. The present invention relates to a work distribution device that distributes a work to a plurality of conveyance paths.

[0002]

2. Description of the Related Art FIG. 6 schematically shows a process of molding an engine valve by a hot squeezing method. A round bar-shaped work (1) having a predetermined length is heated to a high temperature by a heating furnace, By the first stage press working, it is molded into the primary intermediate product (1a),
Next, after the second intermediate product (2b) is obtained by the second stage press working, it is finished into a predetermined shape by machining.

In the above-mentioned pressing process, in order to improve the productivity, a plurality of die holes for forming each intermediate product are arranged in parallel in the lower die of the press so that a plurality of works can be simultaneously press-formed. Therefore, it is necessary to distribute a large number of works (1) conveyed in one row to a distribution path having a plurality of rows of conveyance paths and to supply them to a plurality of sets of press dies. Conventionally, for example, the work is distributed in a plurality of rows by providing branching means similar to a switching mechanism (point) in the railroad at appropriate places in the supply path.

[0004]

However, the conventional device has the following problems.
There are problems that the structure is complicated and expensive, that maintenance and inspection for preventing the occurrence of failures and accidents is troublesome, and that the work is not reliably distributed, and the work machine runs out.

The present invention, with a relatively simple device,
An object of the present invention is to provide a distribution device capable of reliably distributing a large number of works arranged in a line to a plurality of transport paths.

[0006]

In order to achieve the above object, the present invention provides a work in which a single line is conveyed on a supply path to a distribution path having a plurality of conveyance paths provided on the side of the supply path. A distribution device to be transferred, a work stopper provided at the end of the supply path in the traveling direction of the work, and a traverse device that reciprocates above the supply path and the distribution path,
A plurality of work gripping devices arranged in the front-rear direction, which are provided laterally movable on an elevating means provided in the lateral feed device, and at least one of the work gripping devices is constantly biased in a direction opposite to the supply path. According to this, there is provided a stopper device for stopping the traverse device immediately above the supply path when the traverse device is located on the supply path side and immediately above the predetermined transport path when the traverse device is located on the distribution path side.

[0007]

[Operation] A plurality of work gripping devices provided on the lateral feeding device
When a plurality of works arranged in a line on the supply path are respectively gripped and then lifted up, and the traverse device moves laterally, one of the work gripping devices is stopped by the stopper device in the middle thereof, The work gripping device moves as it is and stops at a predetermined position. At this time, since the work gripping devices are displaced laterally from each other, in this state, if the work gripping devices are lowered by the elevating means and the gripped works are released, the respective works are respectively transported on the respective transport paths in the distribution path. Reprinted in.

[0008]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS FIGS. 1 to 3 show an embodiment of the present invention, showing the state immediately before the end of the distribution of the work (1). At the left end of FIG. 1 of the horizontal base plate (2), a T-shaped support pillar (3) is erected, and a plate-shaped bracket (4) facing right is provided on the upper rear surface of the guide metal fitting (5). The bracket (4) is moved up and down by operating the handle (6) provided on the guide fitting (5).

Stoppers provided at both ends of the bracket (4)
(7) A pair of support rails (8) is provided between the upper and lower ends of (7).
And a well-known traverse device on both support rails (8).
(Rodless cylinder) (9) is attached so that it can move laterally.

Between the centers of both stoppers (7), there is a transverse feed device.
A guide rail (10) that guides (9) is installed, and a transverse feed device is installed.
(9) moves between both stoppers (7) and (7).

A mounting plate (1
An arm (12) facing forward is fixed to the center of the upper end of 1),
A vertical rail (13) fixed to the front surface of the mounting plate (11) is engaged with a vertical plate (15) at the rear end of the elevating frame (14) so as to be vertically movable.
A horizontal plate (16) facing forward is connected to the lower end of the vertical plate (15).

On the upper surface of the horizontal plate (16), the air cylinder (17)
The cylinder body (17a) of the
The upper end of b) is fixed to the front end of the arm (12), whereby the horizontal plate (16) moves up and down integrally with the cylinder body (17a) by the operation of the air cylinder (17).

At the right end and the left end of the horizontal plate (16), a first side plate (18) which is vertically shorter and a second side plate (19) which is longer than it are respectively provided.
Is installed vertically, and a suspension rail is installed between the front ends of both side plates (18) (19).
(20) is installed.

A first gripping device (21) facing downward is fixed to a rear portion of an inner surface of the second side plate (19), and the suspension support rail (20) has the same shape as the first gripping device (21). Second gripping device (22)
However, it is suspended so that it can move laterally. Second gripping device (22)
Is constantly biased to the left by a compression coil spring (23) wound around the suspension rail (20).

Fingers (21a) (22a) provided at the lower ends of both gripping devices (21) (22) are opened and closed by air cylinders (not shown) provided in both gripping devices (21) (22). .

A roller stopper (24) facing forward is pivotally provided on the upper part of the front surface of the second gripping device (22). Above pillar
The L-shaped plate (25) fixed to the upper right surface of the front piece (3a) of (3) has a positioning plate (26) located on the left side of the roller stopper (24) and in contact with it. The long hole (27) and bolt (2
By 8), it is attached so that the left and right position can be adjusted.

Above the right part of the base plate (2), a work supply path (29), which is oriented in the front-back direction and whose front part is located below the right part of the bracket (4), is supported by columns (not shown). In addition, a single work sliding groove (29a) is formed on the upper surface thereof.

An air cylinder type work holder (30) facing downward is attached to the rear of the first gripping device (21).

In front of the supply path (29), the work stopper (3
The stop rod (31a) of which (1) is supported by the base plate (2) by the support frame (32) and faces the rear of the work stopper (31) can adjust the front-back position by operating the handle (31b).

Above the central portion of the base plate (2), a work distribution path (33), which faces the front-back direction and whose rear portion is located below the left portion of the bracket (4), is supported by columns (not shown). , The upper surface of which is two work slide grooves (33
a) has been formed.

Behind the distribution path (33), an extrusion air cylinder (34) facing forward is installed on the base plate (2) with an appropriate support (not shown), and the air cylinder (34) At the front end of the piston rod (34a), located behind both sliding grooves (33a) 2
The extruding rod (35) of the book is connected.

The above-mentioned device of the present invention corresponds to the size of the work (1) in advance and operates the handle (6) to operate the bracket.
(4) is moved up and down to adjust the heights of the first and second gripping devices (21) and (22), the left and right positions of the positioning plate (26) are adjusted, and the handle (31b) is operated. The front and rear positions of the stop rod (31a) of the work stopper (31) are adjusted in advance by.

Then, by operating the air cylinder (17),
After raising both the gripping devices (21) and (22) with both fingers (21a) and (22a) opened together with the elevating frame (14), the transverse feed device (9) is moved to the right limit. As shown in, the second gripping device (22) moves leftward by the urging force of the compression coil spring (23), contacts the second side plate (19), and is parallel to the front of the first gripping device (21). Line up.

As a result, both gripping devices (21) and (22) are positioned above the preceding two workpieces (1) arranged on the supply path (29) in a row in front and rear.

Next, the two gripping devices (21) and (22) are lowered to simultaneously grip two workpieces (1), and the third workpiece
(1) is pressed from above by the work clamp (30) to raise both gripping devices (21) and (22) and then leftward by the lateral feed device (9).

Then, as shown in FIG. 5, the second gripping device (2
Since the roller stopper (24) of 2) contacts the right end edge of the positioning plate (26), the second gripping device (22) only compresses the compression coil spring (23), and the distribution passage (33) Right runway
It stops above (33a), only the first gripping device (21) moves to the left limit, and is positioned above the left sliding groove (33a).

Next, as shown in FIG. 1, an air cylinder
If you activate (17), the roller stopper (24) will
While rolling along the right end of (26), both gripping devices (21) (22) descend to just above the distribution path (33), so that fingers (21a) (22
When a) is opened, both gripped works (1) are distributed to both sliding grooves (33a) and transferred.

Then, when the extrusion cylinder 34 is extended, the two works 1 are extruded at the same time, and the already transferred works are simultaneously sent to the heating furnace and the pressing machine at the same time.

In the above description, the two slide grooves (33a) of the distribution passage (33) are divided into two work pieces (1) on the supply passage (29).
However, if, for example, three gripping devices are used, they are all supported by the suspension rails and are urged laterally by springs, and if three positioning plates are used, they can be distributed on the supply path. A large number of works can be distributed to the three slide grooves of the distribution path, and by adjusting the positioning plate as necessary, one work can be placed in one desired slide groove and It is also possible to distribute two works in one gliding groove.

[0030]

According to the present invention, the traverse device is simply reciprocated without providing complicated branching means.
Since the works sent in one row can be reliably distributed to a plurality of transport paths, the work is never cut off in the next process,
Productivity is greatly improved.

[Brief description of drawings]

FIG. 1 is a front view of an essential part showing a state of a device of the present invention immediately before completion of work distribution.

FIG. 2 is a plan view of the same.

FIG. 3 is a side view of the same.

FIG. 4 is a front view of a main part of the device of the present invention showing a state before gripping a work.

FIG. 5 is a front view of the main part of the device of the present invention showing a state during work transfer.

FIG. 6 is a front view schematically showing a hot squeezing process of an engine valve.

[Explanation of symbols]

(1) Workpiece (1a) Primary intermediate product (1b) Secondary intermediate product (2) Base plate (3) Post (3a) Front piece (4) Bracket (5) Guide fitting (6) Handle (7) Stopper (8) Support rail (9) Traverse device (10) Guide rail (11) Mounting plate (12) Arm (13) Vertical rail (14) Lift frame (15) Vertical plate (16) Horizontal plate (17) Air cylinder (Elevating means) (17a) Cylinder body (17b) Piston rod (18) First side plate (19) Second side plate (20) Suspension rail (21) First gripping device (22) Second gripping device (22a) Finger (23) Compression coil spring (24) Roller stopper (stopper device) (25) L-shaped plate (26) Positioning plate
(Stopper device) (27) Long hole (28) Bolt (29) Work supply path (29a) Sliding groove (30) Work retainer (31) Work stopper (31a) Stop rod (31b) Handle (32) Support frame (33) ) Distribution path (33a) Sliding groove (conveyance path) (34) Extrusion cylinder (34a) Piston rod (35) Extrusion rod

Claims (1)

[Claims] 1. A distribution device for transferring works transferred in a line on a supply path onto a distribution path having a plurality of transfer paths provided on the sides of the supply path, wherein A work stopper provided at the end in the traveling direction, and a traverse device reciprocating above the supply path and the distribution path,
A plurality of work gripping devices arranged in the front-rear direction, which are provided laterally movable on an elevating means provided in the lateral feed device, and at least one of the work gripping devices is constantly biased in a direction opposite to the supply path. According to the present invention, there is provided a stopper device for stopping the traverse device immediately above the supply path when the traverse device is located on the supply path side and immediately above a predetermined transport path when the traverse device is located on the distribution path side. Distributor for multiple work paths.