JPH03161222A - Pallet for conveyer - Google Patents

Abstract

PURPOSE:To form a pallet for conveyor that can handle plural kinds of materials to be carried by putting the bottom part of the material to be carried between supporting members, so as to be engaged with a positioning pin, and by making a width regulated part opposed to a width regulating part, so as to support positioning. CONSTITUTION:A body 28 is put in relation to a pallet 1, in such a way that a sealing part 28a is positioned on each supporting member 9A, 9B, 21A, 21B. Since flanges 29A, 29B with holes are fitted to positioning pins 23A, 23B, and the time, positioning is determined back and forth, and left to right, on the front part of the body 28, while width regulating parts 22A, 22B are positioned inside of the sealing part 28a that is a width regulated part, whereby positioning is determined left to right on the rear part of the body 28. By making mounting positions of the flanges 29A, 29B in common, positioning of bodies 28 of various car species is constantly carried out, and stably put, with regard to the common pallet 1. The supporting pallet 1 of the body 28 is carried to the upper side of a moving device by engaging the engaging stoppage parts of hanging carrier and of automatic running car, and so on, to holes for the engaging stoppage 13A, 13B, 18A, 18B from downward.

Description

DETAILED DESCRIPTION OF THE INVENTION Field of the Invention The present invention relates to a conveyor pallet that is transported between work processes by a conveyor with its body supported in, for example, an automatic Ni manufacturing factory.

BACKGROUND OF THE INVENTION As a pallet for supporting objects to be processed such as bodies, a pallet disclosed in, for example, Japanese Unexamined Patent Publication No. 107846/1984 has been provided. This pallet has a support on its upper part via a vertical shaft, and the object to be processed M is supported by this support. The pallet is then conveyed along a predetermined route by a running truck or shuttle conveyor device.

Problems to be Solved by the Invention According to the above conventional method, for example, when the object to be processed is a car body, only one type of car body can be handled;
If the body is a different car model, a pallet must be prepared accordingly or the supports must be rearranged.

An object of the present invention is to provide a conveyor pallet that can handle a plurality of types of objects to be conveyed.

Means for Solving the Wl Problem In order to achieve the above object, the conveyor pallet of the present invention has rollers with grooves on at least one side mounted on both sides of the main body, and a clamped part on the side. Support members for the transported object are provided on both sides at the front and rear of the main body, and positioning pins that can freely engage with the secured portion of the transported object are erected from one of the front and rear sides of the main body and from both sides. , a width regulating section for the transported object is provided on the other one of the front and rear sides and on both sides.

According to the structure of the present invention, the bottom of the object to be conveyed is placed between the support members, the engaged portion is engaged with the positioning pin, and the width regulating portion is connected to the width regulating portion. By facing each other, they are positioned and supported on the main body side.

The pallet that supports the objects to be transported in this way is placed on the conveyor via the bottom surface of the main body, and transported along a constant U path. By fitting the rollers, conveyance on a fixed path is performed without shifting in the width direction. In addition, by moving the pallet onto a pair of rails via rollers and applying a feeder device placed along the rails to the clamped part, the pallet is transported (traversed) on a fixed path shaped by the rails. It can be done.

Example An embodiment of the present invention will be described below based on the drawings.

The main body 2 of the pallet 1 is shaped like a flat frame plate, and includes a pair of left and right front and rear members 2a, a left and right member 2b that connects the front and rear ends of both rear members 2a, and an intermediate member 2C that also connects the middle. It is shaped by

At the four corners, a pair of left and right front support stands 3A. 3B, and a pair of left and right rear support stands 4A. 4B
are connected to each other and protrude outward. Each support stand 3A.
38.4A. 4B, the left silk support stands 3A, 4A have holding members 5A. 6A to grooved row 57A. 8A is attached, and a flat roller 78.8B without grooves is attached to the right support stand 38.4B via a holding member 58.6B. Each roller 7A. 78.8A. 8B can freely rotate around the left and right axis. Both front support stands 3A. 3
B has a hook support member 9A on its upper surface. 9B is attached, and then roller 7A. The cam followers 10A and 103 located on the outside of the cam follower 7B and the clamped openings 11A and 11B located further outside are attached to the front support bases 3A and 3B. , positioning holes 12A, 12B that are open on the bottom surface are formed, and locking holes 13A, that are open on the bottom surface are formed inside and rearward of the positioning holes 12A, 12B.
13B is not formed. In addition, both support stands 3A in the front part. 3
Buffer members 14A and 143 are attached to the outer surface of B.

And both rear support stands 4A. 4B has a roller 8A. 8
Cam followers 15A, 15B located on the outside of B and rollers for being clamped (clamped portions) 16A, 16B located further outside are attached. and,
Positioning holes 17A, 17B are formed that open on the lower surface, and locking holes HI that open on the lower surface are formed inside the positioning holes 17A, 173 and at the position of the hook.
A, 1813 is formed.

In addition, there is a buffer member 1 on the outer surface of both rear support stands 4A, 4B.
9A and 19B are installed. Both rear supports 4
A. At a position slightly forward of bracket 20A.4B.
203 to the rear support member 21A. 213 are attached, and these rear support members 21A, 21B integrally have width regulating portions 22A, 22B projecting upward.

Positioning pins 23A and 23B that can be freely engaged with an engaged portion (to be described later) on the side of the transported object are erected on both sides of the main body 2 through attachment plates 24A and 24B.

The body 28 of the own OS, which is an example of a transported object, has various shapes depending on the vehicle model, but flanges (engaged parts) 29A and 29B with holes for positioning in various work processes are attached at a common position. 7 langes with these holes 29
A, 29B with respect to the positioning pins 23A, 23
B can be freely engaged from below.

The conveyor that supports and conveys the pallet 1 is, for example, a slat conveyor 30, which includes a machine frame 31, a pair of left and right upper rails 32 attached to this machine frame 31, a pair of left and right lower rails 33, and these rails 32. ．． 33
a slat plate 35 supported and guided through a narrow ring 34;
Drive chain 3 connecting wheel axles and interlocking with a drive device
6 etc., and supports the lower surface of the pallet 1 via the slat plates 35. A guide rail 38 is disposed outside one side of the machine frame 31 via a connecting member 37, and the grooved roller 7A. 7B is M
It becomes ttl-like.

Conveyance path 2 formed by the slat conveyor 30
On both sides of the conveyor 27A.6, there are worker conveyors 27A. 273 is arranged.

At the starting end of the conveyance path 26, there is a transfer mechanism for temporarily supporting the pallet 1 conveyed on the ceiling side (above) by, for example, a suspended conveyance device or a self-propelled vehicle, and then transferring it to the slat conveyor 30. A armor @40 is provided. This transfer device 4
0 has a pair of left and right machine frames 41A, 41B with the slat conveyor 30 inside, and these machine frames 41A, 4
Vertical guides l+42A, 42 at multiple locations on 1B
B is installed. The rollers 7A. 7B. 8A. Guide rails 45A and 45B are provided that can freely support 8B. Note that one guide rail 45A has a grooved roller 7A. 8A can be fitted freely. The elevating devices 46A, 16B for elevating the guide rails 15A, 453 are the machine frames 41A, 4.
Push/pull rods 49A, 49B are supported and guided on the 1B side via a plurality of support rollers 47A, 48B and side guide rollers 48A, 48B, and the push/pull rods 49A
, 49B and machine frames 41A, 41B, push/pull cylinder devices 50A, 503, and push/pull rods 4.
Cam body 51A provided at multiple locations on the top surface of 9A, 493
, 51B, and roller followers 52A., 52A., 51B, which contact the cam rests 51A, SiB from above and are attached to the lower ends of the lifting rods 43A, 433. 528 etc., and both cylinder devices 50A. 50B are operated synchronously. There is a feeder iIr on the outside of one machine frame 41A! 155 are provided. That is, a pair of left and right guide rails 57 are attached to the machine frame 56 of the feeder device 55, a movable suspension 59 is supported and guided by these guide rails 57 via rollers 58, etc., and a cylinder that allows the movable body 59 to reciprocate! ! A position 68 is provided. Base frames 60 and 61 are attached to the front and rear parts of this movable body 59, and these base frames 6
0. Clamp pieces 64, 65 are provided at opposite ends of 61 via vertical pins 62, 63, and a cylinder device 16B for swinging these clamp pieces 64, 85 to opposite sides, 67 is provided between the base frame 60 and 61.

Note that a moving device 40 and a feeder device 55 similar to those at the starting end are disposed at the terminal end of the conveyance path 26.

The body 28 for pallet 1 is tentatively 1M in Figure 1! As shown, the seal portion 28a is attached to each support member 9A. 98
．． 21A. It is mounted by positioning it on 21B. At this time, the holed flange 29A. 29B fits into the positioning pins 23A and 23B, the front part of the body 28 can be positioned in the front-rear direction and the left-right (@) direction, and also has a width inside the seal part 28a, which is the width regulating part. Since the regulating portions 22A and 22B are located, positioning in the left-right (width) direction is difficult at the rear of the body 28. and a flange with holes 29A. By standardizing the mounting position of 29B, body 2 of various car models can be used.
8 can be constantly positioned and stably placed with respect to the common pallet 1.

The pallet 1 that supports the body 28 in this way can be attached to the locking hole 13 for a locking part of a suspended conveyance device or a self-propelled vehicle, for example.
A, 13B, 18A, and 18B are engaged with each other from below, thereby conveying it to the upper part of the moving device 1140. At this time, in the moving device 40, as shown by the solid line in FIG.
A, 493 is pushed out, which causes the cam body 5
1A, 51B are roller followers 52A. 52
By facing B, the group of elevator doors 43A and 43B rises, and the guide rails 45A and 45B are in the upper position. In addition, in the feeder device 55, the movable body 59 is located at the starting end side, and the clamp pieces 64, 65 are open VJ (
non-working). In this state, pallet 1 is lowered,
The rollers 7A, 7B. 8A. 8B to guide rail 45
Place A and 45B and fit them together. At this time, pallet 1
The lower surface of the pallet 1 is located slightly above the slat plate 35, so that even though the slat conveyor 3o is continuously driven, the pallets 1 can be unloaded without any problem. After the pallet 1 is unloaded and disconnected from the hanging conveyor, etc., the clamp pieces 64. 65 to the opposite side, and the clamped roller 11A is moved as shown by the solid line in FIG.
, 16A from the front and rear directions to perform the desired clamping. Next, the movable suspension 59 is moved to the lower side by extension of the cylinder assembly @68, and the integrated pallet 1 is also moved via the clamp pieces 64, 65, etc. At this time, pallet 1
is the grooved roller 7A. 8A is fitted into the guide rail 45A, so that it moves on the conveyance path 26 without being misaligned in the width direction. Its moving speed is set to be equal to the conveying speed of the slat conveyor 30, except at the start and end times. Palette 1 like this
146A, 46B lower lIIIFI sacell. Sunawachi cylinder @ 50A,
503 shrinks and the push/pull rod 49A. Pull in 49B,
Connect the bottom parts of the cam bodies 51A and 5113 to the a-rough lower 5
2A and 52B. As a result, as shown by the imaginary line in FIG. 4, the lifting rod 43A. The group 43B is lowered, and the guide rails 45A and 4538 are lowered. As the guide rails 45A, 45B descend, the moving pallet 1 also descends as described above, and its lower surface abuts on the slat plate 35.

At this time, the moving speed of pallet 1 is
Since the conveyance speed is equal to that of , the pallet 1 can be unloaded onto the slat conveyor 30 without giving any impact to the pallet 1 side. Immediately before the pallet 1 is transferred onto the slat conveyor 30, the front clamp piece 64 opens forward. Therefore, by stopping the feeder device 55 after the transfer, the pallet 1 is supported and conveyed by the slat conveyor 30. Thereafter, the elevating devices 1f46A, 46B and the feeder device 55 return to their initial receiving postures.

In addition, when the pallet 1 is unloaded onto the guide rails 45A and 45B and the five movable bodies are moved to the lower side after being clamped, the speed is 1 t/II as appropriate! 1, thereby securing a predetermined bit (hour lm) between pallet 1 and the pallet 1 that was released last time.

Pallet 1 supported and conveyed by slat conveyor 30
As shown in FIG. 2, the grooved roller 7A. 8A is M-fitted into the guide rail 38, so that it is transported on the transport path 26 without any positional deviation. During the conveyance, the worker conveyor 27A. Workers on the body 273 perform various operations on the body 28. At the end of the conveyance path 26, there is a moving device @ which performs an operation opposite to that described above.
The pallet 1 on the slat conveyor 30 is lifted up by the pallet 40, and is transported to the next process by hanging transport or self-propelled weight.

Note that the empty pallet 1 is transported in the left and right direction on the storage line, and at that time, the cam
O.A. 108. 15A, 15B are positioned by being guided by the rails, and buffer members 14A, 14
8. 19A. 19B, it is stored densely.

Effects of the Invention According to the present invention having the above configuration, the object to be conveyed is moved with its bottom part between the supporting members, and the engaged part is engaged with the positioning pin, and the width regulating part is adjusted in width. By facing the regulating portion, it is possible to position and support the front and rear as well as the left and right sides with respect to the main body side. By making the attachment positions of the engaged parts to the objects to be transported common, it is possible to always position and stably support various objects to be transported by the common pallet. The pallet that supports the objects to be transported in this way can be transported along a fixed path by being placed on the conveyor via the bottom of the main body.
At this time, by fitting grooved rollers to guide rails placed along the conveyor, conveyance along a fixed path can be performed without shifting in the width direction. ．． In addition, by placing the pallet on a pair of rails via rollers and applying a feeder device placed along the rails to the part to be clamped, the pallet is transported (traversed) along a fixed path shaped by the rails. can be done.

[Brief explanation of the drawing]

The drawings show one embodiment of the present invention, and FIG. 1 is a plan view of the pallet, FIG. 2 is a front view of the pallet placed on a slat conveyor, FIG. 3 is a rear view of the moving device, and FIG. The figure is a side view, FIG. 5 is a plan view, and FIG. 6 is a schematic plan view. 1...Pallet, 2...Main body, 3A. 3B...Front support stand, 4A. 4 B-... vI1 support stand, 7
A. 8A...grooved roller, 78.88...flat roller, 9A. 9B...Front support member, 11A, 113
...Roller for clamped part (clamped part), 16A
．． 16B...Roller for being clamped (clamped part)
, 21A, 21B...rear support member, 22A,
22B... Width regulation part, 23A, 23B... Positioning pin, 26... Conveyance path, 27A, 27B...
Conveyor for workers, 28...body (object to be conveyed),
28a... Seal part (width regulating part), 29A, 2
9B... Flange with hole (engaged part), 30... Slat conveyor, 35... Slat plate, 40... Moving device, 45A, 45B... Guide rail, 46A
, 46B... Lifting device, 55... Feeder device, 59... Movable body, 64.65... Clamp piece.

Claims (1)

[Claims] 1. Attach rollers with grooves on at least one side to both sides of the main body, provide clamped parts on the sides, and provide support members for the transported object on both sides at the front and back of the main body. A feature is that a positioning pin that can be freely engaged with the engaged part on the side of the transported object is provided on one side and both sides, and a width regulating part of the transported object is provided on the other side of the front and back and both sides. Pallet for conveyor.