JPH0426198Y2 - - Google Patents

Description

[Detailed Description of the Invention] (Industrial Application Field) The present invention relates to a mounting structure for a conveyance auxiliary member that is replaced depending on the size of a work to be conveyed and is attached to a mounting member.

(Prior Art) Conventionally, in a dedicated machine tool, a pair of gripping claws (transferring claws) attached to a transfer bar (mounting member) are used to hold the workpiece when the workpiece is transported to each station by a transfer bar. As a mounting structure for the auxiliary member, for example, as shown in FIG. 6, each gripping claw 1 is fastened to the transfer bar 2 by a bolt B.

However, with such a conventional mounting structure for the conveyance auxiliary member, when processing many types of workpieces with one dedicated machine tool, it is difficult to replace the pair of gripping claws 1 according to the size of each workpiece. Although it is necessary, since chips and the like have accumulated on the narrow transfer bar 2 to which each gripping claw 1 is fastened with bolts B, it is necessary to loosen the bolts B and replace each gripping claw 1. There were problems in that it was difficult to replace, took a long time to replace, the machine stopped for a long time, and production efficiency decreased.

(Problems to be solved by the invention) The present invention has been made by focusing on such conventional problems, and it is possible to extremely easily replace the conveyance auxiliary member even on the mounting member where chips etc. have accumulated. The purpose of the present invention is to provide a mounting structure for a conveyance auxiliary member that is possible.

(Means for Solving the Problems) The gist of the present invention for achieving the above object is to provide a transport device that extends in the transport direction of an object to support and transport the object. a first engaging member fixed to the base and having a concave or convex portion formed at one end; and a support portion for the object to be transported, the first engaging member being removably positioned on the base. a conveyance auxiliary member; an engaged member having a convex portion or a concave portion provided at one end of the conveyance auxiliary member and abuttingly engaged with the concave portion or convex portion of the first engaging member when inserted into the concave portion or convex portion of the first engaging member; A convex engaging portion formed at the other end of the conveyance auxiliary member is fixed on the base at a position opposite to the first engagement member with the conveyance auxiliary member in between, and the conveyance auxiliary member a second engaging member formed with a concave portion that engages with a convex engaging portion formed on the conveyance auxiliary member so as to be rotatable about the engaging member side of the second engaging member;
is provided on the second engagement member, and when the conveyance auxiliary member is installed between the first engagement member and the second engagement member, the conveyance auxiliary member is locked on the base body. a locking member, the transport auxiliary member is configured to be rotatable on the base body using the first engagement member side as a fulcrum and to be detachably attached to the base body, and the transport auxiliary member is attached to the base body. The present invention resides in an attachment structure for a conveyance auxiliary member, characterized in that when attached, the attachment position is maintained against external force.

(Function) In the mounting structure for the conveyance auxiliary member, the conveyance auxiliary member is swung around the semicircular engagement groove that engages with the outer peripheral surface of the round bar. The conveyance assisting member can be attached to and detached from the attachment member.

(Example) Hereinafter, each example of the present invention will be described based on the drawings.

1 and 2 show a first embodiment of the present invention, in which a transfer bar (mounting member) 2 that conveys a workpiece to each station of a dedicated machine tool has a pair of gripping claws ( Conveyance assisting members) 1, 1 are attached.

Each gripping claw 1 consists of a base 10 and a gripping part 11 erected on the base 10. A round bar 12 is fixed to one end of the base 10 with a bolt, and the other end of the base 10 is fixed to a locked part. The position where the groove 13 is on the open side of the center of swing of the round bar 12 (in Fig. 1, the position is α upward)
is formed.

The transfer bar 2 has a base 1 of each gripping claw 1.
0 is formed, and in the center of each storage groove 20 is formed a lower surface 10 of the base 10.
A key 21 that engages with the central keyway 10b is fixedly provided. At both ends of the storage groove 20, there are engaging parts 22,
23 is fixed with bolts.

A semicircular engagement groove 22a that engages with the outer peripheral surface of the round bar 12 is formed in the engagement portion 22. A hole 23a is bored in the engaging portion 23, and the hole 23a is formed in the engaging portion 23.
A steel ball 30 that engages with the notch 13 and a spring member 31 that biases and holds the steel ball 30 in the protruding position are inserted into the notch 3a.

The steel ball 30, the spring member 31 and the notch 13
Accordingly, when the gripping claw 1 is attached, the base 1 of the gripping claw 1
A locking member 3 that locks the other end of 0 is configured.

In addition, the end surface 23b of the engaging portion 23 and the base 10
The end faces 10a of the gripping claws 1 are formed in an arc shape so as not to interfere with each other when the gripping claws 1 swing around the engagement grooves 22a.

In addition, for each pair of gripping claws 1, 1 according to the types of workpieces of different sizes, the engaging portions 22, 2
The size and shape of the base 10 attached between the grips 11 and 3 are the same, but the distance between the grips 11 and 11 is different.

Various types of gripping claws 1 like this are prepared depending on the type of workpiece.

In the mounting structure of the gripping claws 1 (conveyance auxiliary member) having the above configuration, when the workpiece is held between the gripping parts 11, 11 of the pair of gripping claws 1, 1 attached to the transfer bar 2, the transfer 2
transports the workpiece to each station.

When replacing the installed pair of gripping claws 1, 1 with another pair of gripping claws in order to convey other types of workpieces of different sizes, the gripping claws 1 are pulled upward. Then, the notch 13 is the steel ball 3
0, the gripping claw 1 swings around the engagement groove 22a, and the gripping claw 1 is removed from the transfer bar 2.

When attaching the gripping claw 1 to the transfer bar 2, the outer periphery of the round bar 12 is engaged with the engagement groove 22a, and by pushing down the gripping claw 1, the gripping claw 1 is moved into the engagement groove 22a. The notch 13 is locked to the steel ball 30, and the gripping claw 1 is locked at the mounting position.

In addition, contrary to the first embodiment, the round bar 12 may be provided on the engaging part 22 side, the engaging groove 22a may be provided on the base 10 side, or the notch 13 may be provided on the engaging part 23 side, and the steel ball may be provided on the engaging part 23 side. 30 etc. may be provided on the base 10 side.

Next, based on FIGS. 3 to 5, the second part of the present invention will be explained.
An example will be explained.

In this second embodiment, the present invention is applied to a pair of guide members 4, 4 (conveyance auxiliary members) that guide and hold a workpiece W being conveyed by transfer bars 2, 2.

As shown in FIGS. 3 to 5, a pair of guide members 4, 4 for guiding and holding a work W are mounted on a base (mounting member) 5 of a dedicated machine tool.

Each guide member 4 includes a base 40 , a rail mounting portion 41 erected on the base 40 , and a rail mounting portion 4 .
1 and a guide rail 42 fastened to the upper end of the guide rail 42 with a bolt.
is supported by a plurality of rail attachment parts 41 and a base part 40.

The round bar 12 is fixed to one end 40a of the base 40 with a bolt, and the other end 40b of the base 40 is formed in an arc shape. A tapered engagement protrusion 40c is formed at the lower end of the other end of the base 40.

As shown in FIG. 4A and FIG. 4B, each base 40, 40 is attached to the base 5.
Guide plates 40c are fixed to both sides of 40 with bolts. The base portions 40, 40 sandwich both side surfaces of the transfer fiber 2 with guide plates 40c on both side surfaces of the base portions, thereby restricting movement in the lateral direction. Attachment portions 51 and 52 are provided at both ends of the attachment groove portion 50.
is fixed with bolts.

Further, the mounting portion 51 is formed with an arc-shaped engagement groove 51a that engages with the outer circumferential surface of the round bar 12.

As shown in Fig. 3 and Fig. 4 A, the mounting part 5
A locking pin 33 that locks the other end shoulder portion 40d of the base 40 when installed can be fitted into the through hole 52a of the second through hole 52a, and a vertical hole 52b of the mounting portion 52 can be inserted into the vertical hole 52b of the mounting portion 52.
A locking pin 34 for preventing the locking pin 33 from coming off is fittable.

The locking pin 33 and the locking pin 34 constitute a locking member 3 that locks the other end of the base 40 of the guide member 4 when the guide member 4 is attached.

In addition, for each pair of guide members 4, 4 according to the types of workpieces of different sizes, the dimensions and shape of the base 40 are the same, but the guide rail 4
The positions of the rail attachment portions 41 relative to the base portion 40 are different so that the distance between the rail attachment portions 2 and 42 is different.

Such various guide members 4 are prepared according to the type of workpiece W.

In the mounting structure for the guide member 4 (conveyance auxiliary member) having the above configuration, when mounting the guide member 4 on the base block 5, the outer periphery of the round bar 12 is engaged with the engagement groove 51a, and the guide member 4 is integrated with the board 40. By pushing down the rail mounting portion 41 of the guide member 4, the guide member 4 swings around the arc-shaped engagement groove 51a,
Guide plates 40c on both sides of the base 40 engage with the base block 5, and in this state the locking pin 3
3 into the through hole 52a of the mounting portion 52 and locking the locking pin 33 with the lock pin 34, the guide member 4 is locked at the mounting position.

When removing the guide member 4 from the base block 5, remove the lock pin 34 and the locking pin 33 to release the lock of the guide member 4, and then pull the rail attachment part 41 upward so that the guide plate 40c is attached to the base. The guide member 4 comes off from the base block 5, swings around the engagement groove 51a, and the guide member 4 comes off from the base block 5.

(Effect of the invention) According to the mounting structure of the conveyance auxiliary member according to the present invention, by swinging the conveyance auxiliary member around the arc-shaped engagement groove that engages with the outer peripheral surface of the round bar, Since the transport auxiliary member can be attached to and removed from the mounting member, it is extremely easy to replace the transport auxiliary member even on the mounting member where chips or the like have accumulated, and the time required for replacement work is short, resulting in short machine downtime. This will improve production efficiency.

[Brief explanation of drawings]

1 and 2 show a first embodiment of the present invention, in which FIG. 1 is a partial sectional view of the main part, FIG. 2 is a view taken in the direction of the arrow in FIG. 1, and FIGS. 3 to 5. 3 shows a second embodiment of the present invention, FIG. 3 is a schematic diagram showing the conveyance state of the workpiece, FIG. 4 A is a sectional view of the main part,
4B is a sectional view taken along the line A--A in FIG. 4A, FIG. 5 is a sectional view similar to FIG. 4, and FIG. 6 is a partial sectional view showing a conventional example. DESCRIPTION OF SYMBOLS 1... Gripping claw (conveyance auxiliary member), 2... Transfer bar (mounting member), 3... Locking member, 4...
... Guide member (conveyance assisting member), 5 ... Base block (mounting member), 12 ... Round bar, 22a, 5
1a... Arc-shaped engagement groove.

Claims (1)

[Claims for Utility Model Registration] A conveyance device that extends in the conveyance direction of an object to support and convey the object, including a base body of the conveyance device, and a concave or convex portion fixed to the base body at one end. a first engaging member having a first engaging member formed with a portion; a conveying auxiliary member that is removably positioned on the base body and has a support portion for the conveyed object; provided at one end of the conveying auxiliary member; Said first
an engaged member having a convex portion or a concave portion that abuts and engages when inserted into the concave portion or convex portion of the engaging member; a convex engaging portion formed at the other end of the conveyance auxiliary member; fixed on the base body at a position opposite to the first engaging member across the conveyance assisting member, and formed on the conveyance assisting member so that the conveyance assisting member is rotatable about the first engaging member side as a fulcrum; a second engaging member having a concave portion that engages with the convex engaging portion; and a locking member that locks the conveyance auxiliary member on the base body when mounted between the first engaging member and the first engaging member, and a locking member that locks the conveyance auxiliary member on the base body, with the conveyance auxiliary member being placed on the base body with the first engaging member side as a fulcrum. The transport auxiliary member is configured to be rotatable and detachable from the base, and when the transport auxiliary member is attached to the base, the mounting position is maintained against external force. Mounting structure.