JPH0543029A - Workpiece supporting device - Google Patents

Abstract

PURPOSE:To facilitate the change and adjustment of spacing distance between right and left workpiece supporting bodies and the batch-displacement of plural workpiece supporting bodies by disposing transmission mechanism for displacing an engaging body so as to interlock the workpiece supporting bodies in the lateral direction. CONSTITUTION:In the case of the length of a sensitized drum base body D, an inspection object, in a conveyor 1 being different from that of a previously inspected sensitized drum base body, a control handle 9 is rotated to displace an engaging body 6 parallel in the lateral direction. Each workpiece bearers 4 on one side thereby slides on a guide bar 3 so as to be batch-displaced laterally, and all the workpiece bearers 4 are batch-set into the desired fixed positions. Both ends of the sensitized drum base body D are supported on the respective left and right workpiece bearers 4, 5, and both endless chains 2, 2 are circularly driven at the same time to perform the conveyance of the sensitized drum base body D.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a work supporting device applied to, for example, a revolving chain type transfer conveyor for continuously transferring a large number of photosensitive drum substrates made of metal such as aluminum for dimensional appearance inspection.

[0002]

2. Description of the Related Art For example, in the dimensional appearance inspection of a photosensitive drum substrate, a revolving chain type conveyor is used in which two or more sets of left and right work receivers for supporting both ends of the drum substrate are attached in series. The left and right lower surfaces of both ends of the photosensitive drum substrate are supported by the work receivers on the left and right of the conveyor, and a large number of them are arranged in parallel, and these are continuously conveyed.

By changing the standard of the photosensitive drum substrate to be transported, the interval distance between the left and right workpiece receivers can be adjusted so that it is possible to transport the photosensitive drum substrate having a different length from the conventional one. In many cases, it can be adjusted.

As a structure for realizing such a space adjusting function, a structure as shown in FIG. 4 has been conventionally used. That is, a pair of left and right chains (51) driven synchronously
A large number of strip-plate-shaped guide bars (52) are hung in parallel with each other (51), and one end peripheral side surface of the drum base body (D) is supported on the upper surface on one end side of the guide bars (52). The work receiver (53) to be mounted is fixed by screws (54) (54). A workpiece receiver (55) for supporting the other end of the drum base arranged on the upper surface of the other end of the guide bar (52) is provided with an elongated hole (56) extending in the left-right direction, and a screw (57). ) (57) is screwed to the guide bar (52) through the elongated hole (56) to be attached to the bar (52). In such a configuration, when it is necessary to change the distance between the left and right work receivers (53) (55), loosen the screws (57) (57) of the work receiver (55) on the side having the elongated hole (56), The work receiver (55) is displaced to a predetermined position in the left-right direction, and then the screws (57) (57) are re-tightened at that position. The work receivers (55) on one side are ... Do against. This allows
The distance between the left and right workpiece receivers (53) (55) is changed and adjusted to accommodate the conveyance of other photosensitive drum substrate groups having different standards.

[0005]

However, in the conventional structure as described above, in order to change the position of one work receiver (55), the screws (57) (57) are loosened and the receiver (55) is moved. Between the work receivers (53) and (55), not only the troublesome work of tightening and re-tightening, but also the work receivers (55) on one side. It took a lot of time and effort to change and adjust the distance between the two.

The present invention has been made in view of the above-mentioned conventional problems.
In a work supporting device in which two or more sets of left and right work supporting members that support both ends of a work are arranged in series, for example, in a conveyor, a work supporting device capable of efficiently changing the distance between the left and right work supporting members. The purpose is to provide.

[0007]

To achieve the above object, the present invention has two or more sets of right and left work supports for supporting both ends of a work arranged in series and at least one work support on the left and right sides. In a work supporting device supported so as to be displaceable in the left-right direction so as to relatively approach and separate from the work supporting body on the other side, at least two of the work supporting body groups on the one side are supported. The engaging body is hooked on the above work support body and engaged in the I state,
A gist of a work supporting device is provided with a transmission mechanism that displaces the engaging members so as to interlock these work supporting members in the left-right direction.

The work supporting device of the present invention can be suitably applied to a conveyor, for example, a revolving chain type conveyor.

[0009]

In the above structure, the work support member engaged with the engaging member is displaced in the left-right direction only by displacing the engaging member by the transmission mechanism, and the distance between the left and right work supporting members is changed. Moreover, since the plurality of work supports engaged with the engagement body are collectively displaced, the distance between the plurality of sets of work receivers is changed at a time.

[0010]

EXAMPLE Next, an example in which the work supporting device of the present invention is applied to a revolving chain type conveyor which is one of the inspection equipments for inspecting the dimensions of the photosensitive drum substrate and the appearance is described.

In the conveyor (1) shown in FIGS. 1 to 3, (2) and (2) are a pair of left and right endless chains, (3) is a guide bar, and (4) and (5) are work supports. The left and right workpiece receivers, (6) and (7) are engaging bodies, (8) is a transmission mechanism, and (9) is an operating handle.

The endless chains (2) and (2) are stretched over the front and rear sprockets (10) and (10) and are synchronously driven in the same direction at the same speed by an unillustrated motor or the like.

The guide bar (3) is made of a bar material having a circular cross section, and is used in a large number, and in a state where they are oriented in the left and right direction, the endless chains (2) and (2) are wound along the circumferential direction thereof. Are arranged in parallel at predetermined intervals.
Each of these guide bars (3) has two endless chains (2).
The chain (2) is put in the unattached state, and both ends thereof are attached to both chains (2) and (2) through attachment blocks (11) and (11).

The work receivers (4) and (5) are made of resin small blocks, and each upper surface thereof has a V-shaped recess for supporting the lower surface side of the outer periphery of the end portion of the photosensitive drum substrate (D). The receiving portions (12) (13) are integrally provided so as to project upward. Further, the work receivers (4) and (5) have a pair of front and rear through holes (14), (14), (15) and (1) which penetrate in the left-right direction.
5) is provided, and the front and rear two guide bars (3) and (3) are passed through the through holes (14), (14), (15) and (15) respectively, so that the rotation is restricted and the left and right directions are set. The guide bars (3) and (3) are attached to both sides in the longitudinal direction in a displaceable manner. Further, on the lower surface of each work receiver (4) (5), an engaging groove (1
6) (17) is provided.

The engagement bodies (6) and (7) are oval plates having an orbital shape close to the orbital size of the endless chain (2). Both the engaging bodies (6) and (7) are arranged in parallel in the left and right in correspondence with the respective positions of the left and right work receiving groups (4) ... (5).

The engaging body (6) on one side has an engaging groove () on the lower surface of each of the workpiece receivers (4) of the group of workpiece receivers (4) ... 16) Slidingly protruded inside. As a result, the respective receiving portions (12) of the work receivers (4) ... Group on the one side are held at the same position in the left-right direction, and the engaging body (6) is displaced in the left-right direction. , The work receivers (4) on one side are collectively displaced in the left-right direction by the same distance. Further, the engaging body (6)
There are screw holes (18) (18) at the front and rear two points in the longitudinal direction.
Are provided in a penetrating state.

The other engaging body (7) also has a work receiver (5) whose peripheral portion is arranged in a circular shape on the other side.
It is slidably projectingly arranged in the engaging groove (17) on the lower surface of each work receiver (5) of the group. As a result, the respective receiving portions (13) of the work receiving (5) ... Group on the other side are held at the same position in the left-right direction.
However, the engagement body (7) is fixed to the frame (20) or the like as shown in the figure, and the displacement movement in the left-right direction is restricted.

One end of the transmission mechanism (8) is threadedly inserted into the screw holes (18) (18) of the engaging body (6) on the one side, and the other end of the transmission mechanism (8) is connected to the frame (21) via a bearing. A pair of threaded rods (23) (24) that penetrate and project outward
A sprocket (25) (26) attached to the screw rod (23) (24) on the outside of the frame (21), and an endless chain (27) hung over both sprockets (25) (26), It is composed of a handle (9) attached to the outer end of one screw rod (23). By rotating the handle (9), both screw rods (23) (24) are rotated by the same amount. As a result, the engagement body (6) causes a parallel displacement movement in the left-right direction.

In the conveyor (1) having the above structure, when the photosensitive drum substrate (D) to be inspected is different from the previously inspected photosensitive drum substrate, the left and right work receivers (4) ( Change and adjust the distance in step 5). That is, when the operation handle (9) is rotated, the engaging body (6) is displaced in parallel in the left-right direction as described above, whereby each of the workpiece receivers (4) ... Sliding on the guide bar (3) and displaced in the left-right direction collectively, all the work receivers (4) on one side are collectively set to a desired fixed position. Therefore handle (9)
Simply rotate the left and right to receive the left and right workpiece supports (4)
(5) The adjustment work of changing the distance between the distances is accomplished at one time. After that, both ends of the photosensitive drum substrate (D) are supported by the left and right workpiece receivers (4), (5) ..., and both endless chains (2) and (2) are synchronously orbitally driven,
The photosensitive drum (D) is conveyed. During this transport drive,
The left and right workpiece receivers (4) and (5) have engagement grooves (16).
The peripheral portions of the engaging bodies (6) and (7) are made to project into the inside of the (17) and are held in a state of being engaged with the engaging bodies (6) and (7), so that they are kept at a constant interval from each other. Further, during this conveyance, both the engaging bodies (6) and (7) support the work receivers (4) and (5) from below, so that the upper surfaces of the left and right endless chains (2) may be bent. Effectively blocked.

Although one embodiment of the present invention has been described above, in the device of the present invention, both the left and right work receivers (4) are received.
All of (5) may be displaced in the left-right direction and each may be provided with a transmission mechanism (8). Further, in the above embodiment, one side of the work receiver (4)
The entire group is configured to be displaced in the left-right direction all at once, but it may be configured such that a part of the workpiece receivers (4) is collectively displaced in the left-right direction. Further, in the above embodiment, the work supports (4) and (5) that support the outer peripheral lower surface of the work are adopted as the work support, but various modes such as those that support the outer peripheral part of the work in a gripped state. A support for supporting the end portion of the work may be adopted. Further, the apparatus of the present invention is not limited to the application to the inspection equipment of the photosensitive drum substrate and the application to the conveyor. The point is that two or more sets of left and right work supports that support both ends of the work are in series. It goes without saying that it can be used as various work supporting devices having the basic configuration arranged in.

[0021]

As described above, in the work supporting device of the present invention, at least two or more work supporting members of the work supporting member group on one side are engaged with the engaging members in the non-moving state, and Since a transmission mechanism for displacing the engaging bodies so as to interlock these work supporting bodies in the left-right direction is provided, the gap between the left and right work supporting bodies can be simply changed by displacing the engaging bodies by the transmission mechanism. The distance can be changed and adjusted, and the intervals of a plurality of sets of work supports can be adjusted all at once. Therefore, it is possible to efficiently change and adjust the interval distance between the work supports.

[Brief description of drawings]

FIG. 1 is a cross-sectional view of a transfer conveyor to which a work supporting device of the present invention is applied.

FIG. 2 is an enlarged perspective view of a main part of the conveyor shown in FIG.

3 is a side view of the transfer conveyor of FIG. 1. FIG.

FIG. 4 is a perspective view of a conventional transfer conveyor.

[Explanation of symbols]

 4, 5 ... Work receiver (work support) 6 ... Engagement body 8 ... Transmission mechanism D ... Photosensitive drum substrate (work)

Claims (1)

[Claims] 1. Two or more sets of left and right work supports for supporting both ends of the work are arranged in series, and each work support on at least one of the left and right sides is relative to the work support on the other side. In a work supporting device that is supported so as to be displaceable in the left-right direction so as to relatively approach and separate from each other, the engaging body is in a closed state when at least two work supporting bodies in the work supporting body group on the one side are engaged. And a work support device which is engaged with the work support body and displaces the work support bodies so as to interlock these work support bodies in the left-right direction.