JPH03186512A - Work feeder - Google Patents

Abstract

PURPOSE:To make transport of a work secure with a feeder in which the work is transported and dropped into a drop hole located on a work transport surface by erecting a guide wall on one side edge of the transport surface, arranging a work holder of a U shape in plan view and opening to the guide wall side, and transporting the work with the holder under sliding contact condition to the drop hole. CONSTITUTION:A work 3 with its longitudinal direction lined up with the transport direction and supplied from a connecting passage 17 to a work feed passage 14 is pushed with push out means 15 into a holder 8. The holder 8 is transferred to above a drop hole 2 by extending a piston rod 13a of a cylinder 13 of a transfer means 9. Here, transport is performed with a wall 18 facing the guide wall 7 of the work 3 in sliding contact with or close to the guide wall 7.

Description

[Detailed description of the invention] [Industrial application field] The present invention relates to a work supply device.

[Problems to be solved by conventional technology and invention] For example,
When assembling a rear holder to a connector housing for an automotive wire harness, the rear holder is sometimes dropped from a position above the connector housing.

In this case, the rear holder is guided into a drop hole provided above the connector housing, and is dropped into the connector housing through the drop hole. However, the size of the pit hole is slightly larger than the outer size of the rear holder, and it is extremely difficult to drop the rear holder into the pit hole.

Therefore, an object of the present invention is to provide a work supply device that can reliably drop a work such as a rear holder into a pit hole.

[Means to solve the problem]

In order to achieve the above-mentioned object distantly, a workpiece supply device according to the present invention is a workpiece supply device that drops a workpiece into a drop hole formed in a workpiece transfer surface; a guide wall erected at the edge along the side edge; a work holder having a substantially U-shape opening toward the guide wall in plan view and holding the work between the front and rear walls; and; with the guide wall-corresponding surface of the workpiece held by the workpiece holder slidingly contacting or coming close to the guide wall, the workpiece holder is transferred on the workpiece conveying surface along the guide wall. , and a transport means for transporting the workpiece to a position above the pit hole.

[Function] The workpiece can be held by the workpiece holder and transferred to a position above the pit hole by the transfer means,
At this time, since the workpiece is held with the guide wall corresponding surface in sliding contact with or close to the guide wall, the workpiece is transported to a position above the pit hole without changing its holding state.

(Example〕 Examples will be described below with reference to the drawings.

1 and 2 show a work supply device according to the present invention,
This device is for dropping a workpiece 3 into a drop hole 2 formed in a workpiece conveying surface 1. For example, as shown in FIG. 3, a rear holder 5 as a workpiece 3 is assembled into a connector housing 4. used on occasion. That is, the rear holder 5 is assembled by dropping it vertically onto the connector housing 4.
falls through the pit 2 (see Figures 1 and 2).

Therefore, by using the work supply device according to the present invention, the rear holder 5 can be reliably guided into the pit hole 2.

That is, this device includes a guide wall 7 erected on one side edge 6 of the workpiece conveyance surface 1 along the side edge 6, and a workpiece 3.
The workpiece holder 8 is provided with a workpiece holder 8 for holding the workpiece holder 8, and a transfer means 9 for transferring the workpiece holder 8 on the workpiece transfer surface 1.

Thus, the workpiece holder 8 is composed of front and rear walls 10.11 and side walls 12 connecting the front and rear walls 10.11, and is approximately U-shaped in plan view, opening on the guide wall 7 side, and The wall-to-wall dimension A is slightly larger than the long side dimension of the work 3, and the depth dimension B is slightly larger than the short side dimension of the work. Further, in the embodiment, the height dimension H is set to be the height dimension of the workpiece 3 and the distance between the paths, but it is not limited to this.

Further, the transfer means 9 is composed of a cylinder 13, a piston rod 13a of which is fixed to the rear wall 11 of the workpiece holder 8, and the workpiece holder 8 is moved over the workpiece transfer surface 1 by the reciprocating movement of the piston rod 13a. Move back and forth. Note that the cylinder body 13b of the cylinder I3 is fixed to the workpiece transfer surface l.

The guide wall 7 is provided with a workpiece feeding passage 14 that is substantially perpendicular to the workpiece conveying surface 1 , and the workpiece 3 is supplied to the workpiece conveying surface 1 from the passage 14 .

That is, in this case, the width W of the passage 14 is set to be slightly larger than the long side dimension of the work 3, and the work 3 is
As shown in FIGS. (1) and (II), the workpiece is pushed out onto the conveyance surface I by the extrusion means 15 and pushed into the workpiece holder 8 with the longitudinal direction of the workpiece parallel to the longitudinal direction of the conveyance surface.

Here, the extrusion means 15 is composed of a cylinder 16 installed inside the workpiece feeding passage 14, and the piston rod 16a of the cylinder 16 carries out the workpiece 3 supplied from the communicating passage 17 communicating with the feeding passage 14. Figure 1 (II)
As shown in the figure, push it into the workpiece holder 8. Note that the communication path 17 is approximately parallel to the workpiece conveyance surface 1, and its width dimension W
2 is slightly larger than the short side dimension of the workpiece 3, and the workpiece 3 is extruded into the feeding passage 14 by an extrusion means (not shown) with the longitudinal direction of the workpiece being parallel to the longitudinal direction of the conveying surface.

Further, the drop hole 2 has a rectangular shape in plan view corresponding to the work 3 in this case, and its long side 2a is slightly larger than the long side of the work 3, and its short side 2b is larger than the short side of the work 3. Slightly enlarged. Further, one long side 2a is arranged close to the guide wall 7, and its elongated direction coincides with the longitudinal direction of the conveying surface.

Next, a method for dropping the workpiece 3 into the pit using the workpiece supply device configured as described above will be explained.

First, as shown in FIG. 1 (1), the workpiece 3 is supplied from the communication path 17 to the workpiece feeding path 14 in a state where the longitudinal direction of the workpiece and the longitudinal direction of the conveying surface coincide with each other, and then the extrusion means 15
The workpiece 3 is extruded as shown in FIG. 1 (If). In this case, the workpiece holder 8 is located at the outlet 14a of the passage 14 as on the garden side.
, and the workpiece 3 is pushed into the holding body 8. In this state, the cylinder 1 of the transfer means 9
The piston rod 13a of No. 3 is extended in the direction of the arrow to be in the state shown in FIG. 1 (III). That is, the workpiece 3 is transported to a position above the pit hole 2. In this case, the work 3 is transferred on the work transfer surface I along the guide wall 7 with the guide wall corresponding surface 8 of the work 3 in sliding contact with or close to the guide wall 7 . In the embodiment, the corresponding surface 18 does not come into sliding contact with the guide wall 7 but is close to it, but it is also possible to make it into sliding contact. Therefore, the workpiece 3 is transported to a position above the pit hole 2 without changing the holding state. Then, as shown in FIG. 2, when the workpiece 3 reaches the position above the pit hole 2, it is reliably dropped into the pit hole 2 as shown by the imaginary line.

When the work of dropping one workpiece 3 into the pit hole 2 is finished, the piston rod 13a of the cylinder 13 is retracted and becomes the state shown in Fig. 1 (1). A workpiece 3 is supplied to a holder 8, and this workpiece 3 is dropped into the pit hole 2. Thereafter, the above-mentioned operations are continued in sequence.

However, as shown in FIG. 4(I), if an attempt is made to push out the workpiece 20 using only the cylinder 21 and drop it into the pit 22, the workpiece 20 will be pushed out as shown in FIG. 4(n). When the tip reaches the pit hole 22, it often fails because the tip tries to enter the pit hole 22 first, but with the device according to the present invention, this does not happen.

Note that the present invention is not limited to the above-described embodiments, and design changes may be made without departing from the gist of the present invention. For example, in the embodiment, the overall shape of workpiece 3 is approximately rectangular in plan view. However, the overall shape may be square, elliptical, or polygonal in plan view. Further, the transfer means 9 may be constructed of a reciprocating mechanism consisting of a screw shaft and a nut screwed forward and backward into the screw shaft.

〔Effect of the invention〕

Since the present invention is configured as described above, it produces the effects described below.

The work 3 is conveyed to a position above the pit hole 2 without changing its holding state (as shown in FIG. )fi actually falls into the pit hole 2 without being caught at the end and not falling.

Furthermore, although the workpiece 3 can be reliably dropped into the drop hole 2, the apparatus as a whole is extremely simple, and has the advantage of being easy to manufacture and not requiring high costs.

[Brief explanation of drawings]

FIG. 1 is an explanatory view showing an embodiment of the present invention, FIG. 2 is a sectional view taken along the Y-Y line in FIG. 1 (III), and FIG. 3 is a perspective view showing a specific example of a workpiece. FIG. 4 is an action explanatory diagram showing a comparative example. DESCRIPTION OF SYMBOLS 1... Workpiece conveyance surface, 2... Pithole, 3... Workpiece, 6... Side edge, 7... Guide wall, 8... Workpiece holder, 9... Transfer means , 18...Guide facing wall.

Claims (1)

[Scope of Claims] 1. A workpiece supply device that drops a workpiece into a drop hole formed in a workpiece conveyance surface, the device being provided upright along one side edge of the workpiece conveyance surface. a guide wall that is opened toward the guide wall in plan view, and a work holder that holds the work between its front and rear walls, and a work holder that holds the work that is held by the work holder With the guide wall corresponding surface of the workpiece in sliding contact with or close to the guide wall, the workpiece holder is transferred on the workpiece transfer surface along the guide wall, and the workpiece is transferred to a position above the drop hole. A workpiece supply device characterized by comprising: a transfer means for transporting the workpiece.