JPH02261725A - Equipment for pallet change to skid - Google Patents

Abstract

PURPOSE:To reduce the cost of equipment by installing both first and second belt conveyors parallely in making the conveying direction into reverse, and setting up a pair of delivery conveyors between both these belt conveyors at a specified interval in the conveying route direction, while constituting these conveyors to be free of lifting motion. CONSTITUTION:A first belt conveyor 1 forming a pallet conveying route and a second belt conveyor 5 forming a skid conveying route are parallel installed in making the conveying direction into reverse, while a pair of delivery conveyors 40, 41, whose delivery route is crossed with the said conveying route, are installed between both these belt conveyors 1 and 5 at a specified interval in the conveying route direction. In addition, these delivery conveyors 40, 41 are constituted to be free of lifting motion to be retractable to or from each conveying surface of both these belt conveyors 1, 5. Multiple pallet receiving parts 17A-27C are formed in a skid 20 being conveyed by the second belt conveyor 5 at a pitch equal to the said specified interval, while through passages 28A-28C are formed in these pallet receiving parts 27A-27C.

Description

DETAILED DESCRIPTION OF THE INVENTION Field of Industrial Application The present invention is useful for, for example, loading a pallet supporting an internal combustion engine onto a skid and shipping it, and when recovering an empty pallet while still being loaded onto the skid, This relates to pallet exchange equipment for skids, which is used when exchanging actual pallets and empty pallets.

2. Description of the Related Art Conventionally, as this type of equipment, a structure shown in FIG. 7, for example, has been provided. In other words, the main conveyor 62 is formed by arranging a large number of drive rollers 61 in the machine frame 6o.
The skid 63 can be freely conveyed on a fixed path, and the sub conveyor 66 formed by disposing a large number of drive rollers 65 on the machine frame 64 is arranged so that its conveying direction crosses the fixed path. It is set up. The pallet 68 supporting the internal combustion engine 67 reaches the end of the auxiliary conveyor 66, is held by the clamp part 70 of the crane device 69 disposed above, and is lifted up, and then moved above the skid 63 by the traveling of the truck 71. carried, then lowered to skid 6
It will be installed in 3. And Skidzudo 6 equipped with a predetermined number of
3 is transported to the next process by the main transport conveyor 62, and then loaded onto a truck or the like and shipped.

Problems to be Solved by the Invention According to the conventional method as described above, the pallet 68 supporting the internal combustion engine 67 is lifted by a crane device 69, which increases equipment costs and reduces the internal combustion engine 67. This is dangerous as it may cause the engine 67 to shift position or become dependent. Moreover, empty pallets 68 are still loaded on the recovered skid 63, and therefore, work, equipment, and work space are required to remove the empty pallets 68.

It is an object of the present invention to provide a structure that can reduce equipment costs, and that also enables stable loading of actual pallets onto the skid at all times, as well as removal of empty pallets from the skid in the same work area. The point is that it provides pallet exchange facilities.

Means for Solving the Problems In order to achieve the above object, the skid pallet exchange equipment of the present invention comprises a first conveyor forming a pallet conveyance path and a second conveyor forming a skid conveyance path. A pair of delivery conveyors are provided in parallel with the transport direction opposite to each other, and a delivery route intersects with the transport route between both transport conveyors, with a predetermined interval in the transport route direction, and these delivery conveyors are
The 211th! A plurality of pallet receiving portions are formed at pitches equal to the predetermined spacing on the skid conveyed by the feeding conveyor, and a through path is formed in each pallet receiving portion to allow the transfer conveyor to move up and down.

Effects According to the configuration of the present invention, pallets can be replaced with respect to the skid in the following manner. In other words, the skid, which receives empty pallets at each pallet receiving section, is transported on the skid conveyance path, and the front pallet receiving section is positioned above the lower delivery conveyor and stopped. By raising it, an empty pallet received by the front pallet receiver can be lifted. By driving the delivery conveyor in this state, the empty pallet is lifted and removed from the skid. The skid can be positioned above the transfer conveyor, and can be transferred to the first Wk transfer conveyor by descending the transfer conveyor.Next, the second transfer conveyor is driven intermittently to convey the skid by a predetermined pitch, so that the skid at the front is empty. The empty pallet receiving part is located above the upper delivery conveyor, and the pallet receiving part supporting the empty pallet in the middle part is located above the lower delivery conveyor.

Then, with the actual pallet positioned above the upper delivery conveyor on the first transport conveyor, by raising both delivery conveyors, the corresponding real pallet or empty pallet can be lifted. By driving the conveyor in the opposite direction, actual pallets can be carried to the front of the skid, and empty pallets in the middle can be carried out, and by lowering the transfer conveyor, stacking and removal can be performed simultaneously. . In the final work, actual pallets are loaded onto the rear pallet receiving section.

EXAMPLE An example of the present invention will be described below with reference to FIGS. 1 to 6.

Reference numeral 1 denotes a first transport conveyor, which is composed of a machine frame 2 and a large number of drive rollers 3 disposed on this machine frame 2, and carries pallets 10.
A pallet transport path 4 is formed for transporting the pallet. 5 is the 2nd!11th feed conveyor, which is composed of a machine frame 6 and a large number of drive rollers 7 arranged on this machine frame 6, and a skid 20.
The zero-carrying conveyors 1.5 forming the skid conveying path 8 for conveying are at least partially arranged in parallel,
Further, the transport directions la and 5a are set in opposite directions. The pallet 10 is used exclusively for shipping, and is constructed by arranging a plurality of receivers 12 on a rectangular base plate 11.
The internal combustion engine 15 is connected to the pallet 10 via the receiver 12.
It can be placed on top. The skid 20 includes a left and right pair of front and rear direction members 21, a pair of front and rear left and right members 22 located between the free ends of these front and rear direction members 21, and a space between the front and rear direction members 21 at three intermediate points in the front and rear direction. A pallet frame-shaped bottom frame 24 is formed by connecting left and right intermediate members 23.
is formed. A left-right receiving member 25 is provided inside each left-right member 22 and an intermediate member 23 to be connected between the front-rear member 21, and a left-right receiving member 25 is provided.
Front and rear flesh receiving members 26 are provided between the pallet receiving members 25 and 26 on the inner surface of the longitudinal member 21, and these receiving members 25 and 26 allow the rectangular pallet receiving portions 27A, 27B, and 27C to be spaced at a constant pitch P1 in the longitudinal direction. Three locations (or multiple locations other than three locations may be used) are formed. Furthermore, the internal spaces surrounded by the respective receiving members 25 and 26 allow the passages 28A and 2 to allow the transfer conveyor, which will be described later, to move up and down.
8B and 28C are formed. Vertical frames 29 are erected from the four corners of the bottom frame 24, and between these vertical frames 29, an open path 30 is formed at the side to allow conveyance of the pallet 10 by a delivery conveyor. Note that reinforcing brackets 31 are attached to the lower four corners of the skid 20.

At a predetermined location in the parallel portion of the transport conveyors 1, 5, a delivery conveyor 40° 41 whose delivery route 42.43 intersects the transport route 4, 8 is provided at a predetermined interval in the direction of the transport route 4.8. A pair is provided with P2 placed therebetween. The pitch P1 of the skid 20 is made equal to this predetermined interval P2.

Furthermore, the transfer conveyor 40.41 is connected to the through passage 28.
Reconveyor 1 through A, 28B, 28C
The 0-car delivery conveyor 40.41, which is configured to be able to rise and fall freely to move in and out of the conveyance surfaces 1b and 5b of the conveyors 1b and 5b, has a similar configuration, although its conveyance directions 40a and 41a are opposite directions, and will be described below. Only one 40 will be explained and the other 41 will be omitted. This delivery conveyor 40 is a retransport conveyor 1.5.
a pair of support plates 45 erected from the lift frame 44 to be located on both sides of the delivery path 42, and a plurality of chains 46 attached to these support plates 45. A pair of chains 47 arranged outside the support plate 45 via a common drive shaft 48 and both chains 47
It is configured with a motor 49 that is interlocked and connected to the floor cloth, and is configured to be able to be raised and lowered by a lift device 50 provided between the floor cloth and the floor cloth.

Here, the support plate 45, the cheno 47, etc. pass between the drive rollers 3 and 7 of the retransport conveyor 1.5 when going up and down, and in order to avoid collision with the adjacent machine frame 2,
Consideration has been given to forming a recessed notch in the support plate 45 and arranging the chino 47 via the chain ring 46.

In the pallet transport route 4 and the delivery route 42, 4
Turntables 52 are provided on the upper and lower sides of the 3rd hand.

An elevating carry-in conveyor 53 is disposed at the starting end of the 2111th conveyor 5, and a storage device forming a recovery storage path 54 perpendicular to the skid conveyance path 8 is located at a position opposite to this carry-in conveyor 53. conveyor 55
will be placed. A lifting conveyor 56 is disposed at the end of the second conveyor 5, and a shipping conveyor 57 forming a shipping route 57 perpendicular to the skid conveyor 8 is provided at a position opposite to the conveyor 56. 58 are arranged.

Next, the operation of replacing the pallet 10 with respect to the skid 20 in the above embodiment will be explained.

The skid 20, which receives the empty pallet 10 with the pallet receiving parts 27A to 27C, is stored in the collection storage path 54 after being collected from the shipping destination. and the skid 20 at the end of the collection storage path 54.
is carried into the skid conveyance path 8 by the operation of the carry-in conveyor 53, etc., as shown in FIG. 5A. The skid 20 is conveyed intermittently on the skid conveyance path 8, and first, as shown in FIG. 5B and the imaginary line in FIG.
The front pallet receiver 27A is stopped in a state where it is located on the delivery path 43. Note that during the intermittent conveyance of the skid 20, both transfer conveyors 40, 41 are lowered, and their conveying surfaces 40b, 41b are positioned below the conveying surfaces 1b, 5b of the re-conveying conveyors 1, 5. After intermittent conveyance is performed as described above, the lift device 50 may be activated simultaneously. ) is raised. Then, the delivery conveyor 41 moves to the conveying surface 1b,
It protrudes upward from 5b and further passes through the through passage 28A to be located above the pallet receiving part 27A, thereby lifting up the empty pallet 10 that was being received by the pallet receiving part 27A.

By driving the delivery conveyor 41 in this state, the empty pallet 10 lifted from the skid 20 is moved above the first conveyor 1 through the open path 30 as shown by the imaginary line (A) in FIG. 5B. Can be transported.

Then, by reverse operation of the lift device 50, the delivery conveyor 41
By lowering the empty pallet 10, the empty pallet 10 is passed onto the first conveyor 1 and conveyed downward on the pallet conveying path 4.Then, the second conveyor 5 is intermittently driven, and the skid 20 is moved at a pitch of 21. Transport by the amount. As a result, as shown in FIG. 5C, the empty pallet receiver 27A at the front is located on the delivery path 42, and
Pallet receiving part 2 supporting the pallet 10 in the middle part
7B is located on the delivery route 43. At this time, an actual pallet 10 supporting an internal combustion engine 15 to be shipped is located on the delivery path 42 of the first conveyor 1. In this state, both transfer conveyors 40 and 41 are raised in the same manner as described above.

As a result, the delivery conveyor 40 lifts up the actual pallet 10, and at the same time, the delivery conveyor 41 lifts the empty pallet 10. Then, by driving both transfer conveyors 40, 41 in the opposite direction, the fifth
As shown by imaginary lines (b) and (c) in FIG.
An empty pallet lifted from the intermediate pallet receiving portion 27B can be transported above the first transport conveyor 1. Then, by lowering both delivery conveyors 40 and 41, the actual pallet 10 is transferred to the front pallet receiving section 27A.
The empty pallet 10 is then passed onto the first transport conveyor 1. Thereafter, by performing the same operation, the empty pallet 10 is removed from the rear pallet receiving section 27C, and the actual pallet 10 is stacked on the intermediate pallet receiving section 27B at the same time. Finally, as shown by the solid line in the fifth diagram, the first conveyor 1
The upper pallet 10 is stacked on the rear pallet receiving portion 27C as shown by the imaginary line (d) in the fifth diagram. Skid 20 with fruit pallets 10 stacked in three locations
is opposed to the shipping route 57 and is delivered to the shipping conveyor 58 by the operation of the carry-out conveyor 56 or the like.

Effects of the Invention According to the present invention having the above configuration, it is possible to reliably load actual pallets onto the skid by setting the shape of the skid and installing a pair of transfer conveyors that can be raised and lowered at a low cost. At the work place
Empty pallets can be efficiently removed from the skid at the same time.

In addition, since all real pallets and empty pallets are transferred by supporting the lower surface, the transfer can always be carried out stably without causing positional shift or falling off.

[Brief explanation of drawings]

1 to 6 show an embodiment of the present invention, FIG. 1 is a partially cutaway front view of the main part, FIG. 2 is a partially cutaway side view of the same,
Fig. 3 is a partially cutaway plan view of the same part, Fig. 4 is an overall plan view,
5A to 5D are schematic plan views showing the operation, FIG. 6 is a plan view of the skid, and FIG. 7 is a schematic front view showing a conventional example. 1... First conveyor, 1a... Conveying direction, 1b
...Conveyance surface, 4...Pallet conveyance route, 5...Second conveyance conveyor, 5a...Conveyance direction, 5b...Conveyance surface, 8...Skid conveyance route, 10...Pallet ,
15... Internal combustion engine, 20... Skid, 27A,
27B, 27C...Pallet receiving part, 28A,
28B, 28C... penetration path, 30... open path,
40゜41...Delivery conveyor, 40a, 4ta.
...Conveyance direction, 40b, 41b...Conveyance surface, 42
．． 43... Delivery route, 50... Lift device, 5
5...Storage conveyor, 58.9. Shipping conveyor, Pl...pitch, P2...predetermined interval. Agent Yoshihiro MorimotoFigure 6→

Claims (1)

[Claims] 1. A first conveyor that forms a pallet conveyance path;
A second transport conveyor forming a skid transport route is installed in parallel with the transport direction opposite to the second transport conveyor, and a delivery conveyor whose delivery route intersects with the transport route is provided between both transport conveyors in a predetermined direction in the transport route direction. A pair of transfer conveyors are provided at intervals, and these delivery conveyors are configured to be movable up and down to move in and out of the conveyance surfaces of both conveyance conveyors, and the skids conveyed by the second conveyance conveyor are provided with a pitch equal to the predetermined interval. A pallet exchange facility for a skid, characterized in that a plurality of pallet receiving parts are formed in the tray, and a through passage is formed in each pallet receiving part to allow the transfer conveyor to move up and down.