JPS60183429A - Transfer apparatus for stacked goods - Google Patents

Abstract

PURPOSE:To deliver a load without manual operation by taking out onto a conveyer a plurality of loads turned in different directions and stacked in multistages in such a manner as to be turned in the same direction. CONSTITUTION:A transport conveyer 11 for continuously conveying loads in one direction is disposed on one side of an accumulating position 1 for stacked loads 2, and a travelling table 18 is provided in such a manner as to move above between the position 1 and the conveyer 11. The travelling table 18 is reciprocated between above the accumulating position 1 and above the conveyer 11 by driving means 16, and the lower end of the travelling table 18 is provided with a rotary plate 29 capable of turning round a vertical shaft. A plurality of adsorbing devices 30 are suitably arranged and disposed at the lower surface of the rotary plate 29. Rotational driving means 33 for turning the rotary plate 29 round the vertical shaft in a required angle is provied on the travelling table 18. The thus constructed apparatus can perform loading and unloading operation without manual operation.

Description

[Detailed Description of the Invention] [Industrial Application Field] Usually, powders such as chemical fertilizers, cement 1 or synthetic resins are packaged in vinyl film or kraft paper bags and transported by forklift. For convenience, the bags are loaded onto the vehicle in multiple stages, with two bags per stage or four bags stacked on pallets.

The present invention is designed to transport cargo stacked in multiple stages as described above on a conveyor.
- It also relates to a device that transfers all loads in the same direction and takes them out, or conversely, stacks the loads conveyed by a conveyor in multiple stages.

[Prior art and purpose of the present invention]

Conventionally, the unloading of a large number of bags on a pallet has been done either entirely manually or by the ramp sliding method, but even with the latter method, manual assistance is required depending on how the bags in each layer overlap. Ta.

The present invention was made with the aim of eliminating this drawback, and in particular, the present invention has been made with the aim of solving this problem, and in particular, it is possible to
Continuously taking out loads all facing the same direction or conversely, conversely, loading loads that have been continuously transported in the same direction - Optimal stacking method for stacking loads continuously in the above-mentioned pattern. The purpose is to provide a transfer device.

[Structure of the invention]

The present invention provides a transport conveyor that is provided on one side of a stacking position of stacked cargo and can continuously transport the cargo in one direction, and a transport conveyor that is provided so as to be movable between the stacking position and above the transport conveyor. a traveling platform; a driving means for reciprocating the traveling platform between three sides of the stacking position and an upper side of the conveyor; and a rotary plate provided at the lower end of the traveling platform so as to be rotatable about a vertical axis. , a plurality of suction devices provided on the lower surface of the rotary plate in an appropriate arrangement; and a rotational drive means provided on the traveling table for rotating the rotary plate by a required angle around a vertical axis. That is.

〔Effect of the invention〕

According to the present invention, loads stacked in multiple stages in a point-symmetrical pattern can be taken out onto a conveyor with all of them facing in the same direction, or loads carried by the conveyor can be stacked continuously in a desired pattern. It is possible to load and unload cargo without the need for manpower, and it can also be fully automated, so it can be used in factories that manufacture large quantities of powder and granular materials, and can be used to It's convenient.

〔Example〕

Hereinafter, one embodiment of the present invention will be described based on the accompanying drawings.

( ) is a pallet, (2) is a bag packaged with powder and granular material to be transported, and on the pallet (1), as shown in Figures 6 and 8, there are four The bags (2) form a point-symmetrical pattern surrounding the desired perpendicular line (L), and the bags (2) (2) of each stage adjacent to each other are staggered from each other. They are stacked in multiple tiers.

(3) is a chain-type cargo receiver that receives a pallet (1) carrying a large number of bags (2) and transported by a forklift, etc., and transports it forward (to the right in Figure 1). The conveyor (4) is a deceleration motor for driving the conveyor. To receive the cargo, there is a positioning panel (5) on the left side of the conveyor (3) in Figure 2.
has been erected.

The receivers are arranged close to each other in series in the transport direction of the conveyor (3), and the receivers are sent from the conveyor (3).
A pallet (1) full of bags (2) is placed in the
As shown in the figure, a chain-type positioning conveyor (6) that conveys to a predetermined position and temporarily stops is mounted on a table lifter (7).

(8) is a deceleration motor for driving the positioning conveyor (6), and the receiving conveyor (3) and the positioning conveyor (6) are at the same height during pallet conveyance.

In the transport direction of the positioning conveyor (6), they are lined up closely in series and receive empty pallets (1) sent from the positioning conveyor (6).The cargo receivers are at the same height as the conveyor (3). A chain-type empty pallet conveyor (9) is installed. (1o) is a deceleration motor for driving the same.

To the left of both conveyors (6) and (9) in FIG. 2, a belt-type conveyor (11) is installed parallel to these conveyors and conveys articles in the same direction.

(12) is a base frame installed so as to straddle the positioning conveyor (6) and the transport conveyor (11), and on its upper surface there is a pair of base frames that are parallel to each other and face perpendicular to the transport conveyor (11). A chevron-shaped or square tubular rail (13) is installed.

A V-shaped roller (15) mounted on a rectangular running frame (14) is mounted on the rail (13), and both conveyors (6) are driven by a deceleration motor (16) installed on the base frame (12). (
11).

A cubic support frame (17) is erected in the center of the traveling frame (14), and the traveling frame (14) and the support frame (17) form a traveling platform (18).

A rectangular push-up frame (19) is placed inside the running frame (14), and on both left and right sides of the push-up frame (19), there are two pairs of front and rear panels whose rear edges are inclined forward and upward. A wedge plate (20) is erected.

The push-up frame (19) is attached to the rear surface of the traveling frame (14).
It is slid back and forth by a forward facing hydraulic (or pneumatic) cylinder (21).

The V-shaped rollers (22) pivotally installed at both ends of the supporting frame (17) on the front and rear facing surfaces 1 have chevron-shaped rails facing up and down that are installed on both the front and rear sides of the cubic lifting frame (23). (2
4), and rollers (25) pivotally provided on the left and right outer surfaces of the lifting frame (23) ride on the wedge plate (20).

A vertical axis tube (28) is pivoted at the center of a horizontal mounting plate (26) mounted on the inner lower part of the lifting frame (23) with a pivot tube (27), and at its lower end, Circular rotating plate (
29) is fixed in the center.

On the lower surface of the rotary plate (29), there is a
Four suction devices (30) for bag bodies as disclosed in the above publication are vertically installed on the same circumference centered on the vertical axis tube (28) at intervals of 90° from each other. ing.

(31) is an intake pipe of each adsorption device (30), and (32) is a rotary joint.

The vertical axis tube (28) is rotated by a predetermined angle by a deceleration motor (33) installed on the mounting plate (26), as will be described later.

(34) is a gear fitted to the vertical axis tube (28);
) is a pinion of the motor (33) that meshes with the gear (34).

Therefore, due to the expansion and contraction of the hydraulic cylinder (2), the lifting frame (
23), the vertical axis tube (28) and the motor (33) move up and down together.

Next, a large number of bags (2) loaded on a pallet (]) are
The operation of the above-mentioned device for transferring onto the conveyor (11) will be explained.

Figures 6 to 8 show the case where four bags are stacked on pallets 1 to (1).
1) is placed on the conveyor (3), transported to the specified position by the positioning conveyor (6), and then transferred to the table lifter (7).
), the uppermost bag body (2) is set to a predetermined height.

In addition, the hydraulic cylinder (2) is shortened to raise the elevator frame 7 (23), and the motor (16) runs the traveling base (18) to move the rotating plate (29).
Position it on one side of the bag (2).

When the uppermost bags (2) are lined up as shown in FIG. 6, for example, the rotary plate (29) is
is rotated to position each suction device (30) above the center of each bag (2).

Next, the hydraulic cylinder (21) is extended and the lifting frame (2
3), lower the rotary plate (29) and attach each suction device (
30), after each bag (2) is suctioned, the hydraulic cylinder (21) is shortened to raise the rotary plate (29) that has suctioned the bag (2).

FIGS. 1 and 2 show this state.

Next, as shown in FIG. 7a, the motor (16) causes the carriage (18) to run, and the transport conveyor (11)
After positioning the bag body (2a) parallel to the transport conveyor (11), the hydraulic cylinder (21) is extended to move the bag body (2a) along with the rotary plate (29) onto the transport conveyor (11). 11) When the bag is lowered upward, the suction is stopped, and the rotary plate (29) is raised by the hydraulic cylinder (21), the bag body = 8- (2a) is transferred onto the conveyor (11). Ru.

Next, as shown in FIG. 7b, if the rotary plate (29) is rotated 90' in the counter-chronological direction by the motor (33),
Since the bag pair (2b) is above the conveyor (11) and faces in a direction parallel to the conveyor (11), the bag pair (2b) is oriented parallel to the conveyor (11).
2b) can be transferred, and similarly other bags (2c) can be transferred.
(2d) can also be transferred.

In this way, the top four bags (2a) (2b)
(2c) (2d) After the transfer is also completed, the traveling platform (]8)
is again moved above the bag body (2) of the pallet (1), and the next stage bag body (2) is raised to a predetermined height by the table lifter (7).

However, the bags (2) in the next stage are usually lined up as shown in FIG. 8, and the center position of each bag (2) is different from that in the top stage, so the motor (33) Rotating plate (28
) slightly counterclockwise and remove each suction device (30).
is located above the center of each bag (2).

Thereafter, each bag (2) in the next stage is transferred to the transport conveyor (11)l in the same manner as described above.

By repeating the above operation, pallet (1)-1-
A large number of bags (2) can be transferred to the transport conveyor (11), all in the same direction.

In addition, by operating the entire device in the opposite manner to the case described above, the bags transported from the transport conveyor (11) (
2) can be stacked in multiple stages on the pallet l-(1,) in the above-described pattern.

Figures 9a to 10b show the case where two bags are stacked on a pallet (1).

When the two-most bags (36) raised to a predetermined height by the table lifter (7) are lined up at a predetermined position on the positioning conveyor (6) as shown in FIG. 9a, for example, Rotating plate (29) and both bags (36a) (36
b) Rotate so that the two suction devices (30) are positioned on three sides of each bag (36) above the center.

In this state, both the bags (36a) and (36b) are sucked with two suction devices (30) each, and the ninth
As shown in figure b, one bag (36a) is transported until it is located on the L side of the transport conveyor (11), and after transferring the same bag (36a), the elevator frame (23) is moved. If the rotary plate (29) is rotated by 180 degrees, the remaining bags (36b) will be parallel to the conveyor (11) on three sides, and then transferred.

The bags (36) in the next stage are usually lined up as shown in Fig. 10a, so if the rotary plate (29) is rotated 90' after being lifted by each suction device (30) as described above, 9th
Since the state is the same as that shown in Fig. a, both bags (36) (36) can be transferred onto the conveyor (11) as shown in Fig.

By repeating the above operation, 2 pieces will be placed on the pallet (1).
A large number of stacked bags (36) can be transferred onto the conveyor (11) in the same direction, and by operating in the opposite direction, the conveyor (11) can be transferred in the same direction.
) can be stacked in multiple stages.

The empty pallet (1) is transferred to the empty pallet conveyor (
9) It can be transported to a second location and carried away using a forklift or the like.

Although not shown in the diagram, the cargo reception is carried out when the conveyor (3) stops and the 11
- Operation and stop of the positioning conveyor (6), operation and stop of the empty pallet conveyor (9), raising and lowering and stopping the table lifter (7), running and stopping the traveling platform (18) in both directions, pushing the two frames ( 19) movement and stopping in both directions, rotating plate (29)
Operations such as rotation of the suction device (30) and suction and suction stop of each suction device (30) are controlled electrically by commands from microswitches and proximity switches installed at key points to detect these operations. Everything will be done automatically.

In addition, in the double embodiment, the table lifter (
7) to raise and lower the pallet (1) together with the positioning conveyor (6).
Alternatively, the traveling platform (18) may be moved by providing a pinion and a rack on the traveling frame (14) and the base frame (12), respectively. Often, the elevating frame (23) is raised and lowered by means of driving means for each member, such as by providing an upwardly facing hydraulic cylinder between the mounting plate (26) and the upper part of the elevating frame (23). There are various driving means, and the present invention does not specify these driving means.

[Brief explanation of the drawing]

FIG. 1 is a side view showing one embodiment of the device of the present invention, and FIG. 2 is a front view thereof. 3 is a plan view, FIG. 4 is an enlarged vertical sectional side view taken along line A-A in FIG. 3, FIG. 5 is an enlarged cross-sectional plan view taken along line BB in FIG. 1, and FIG. is a cross-sectional plan view taken along line C-C in Fig. 1, Figs. 7a and 7b are plan views showing how four bags are being transferred, and Fig. 7a is a cross-sectional plan view taken along line C-C in Fig. 1. the first part of the body
The situation when the bags are transferred onto the conveyor is shown, and FIG. 7b shows the situation when the second bag is transferred. Figure 8 is a plan view showing the situation when four bags in the second layer of a four-bag stack are suctioned, and Figures 9a and 9b are plane views showing the transfer situation of two bags stacked. In the figure, Figure 9a shows the situation when the top two bags are suctioned, and Figure 9b shows the first one of the top bags.
This figure shows the situation when bags are transferred to conveyor 2. Figures 10a and 10b are plan views showing the transfer status of bags in the second tier of two-bag stacking, and Figure 10a shows the situation when two bags in the second tier are suctioned. , FIG. 10b shows the situation when the first bag of the second stage bags is transferred onto the conveyor. (1) Palette (2) (2a) (2b) (2c
) (2d) Bag (3) Conveyor for cargo receiving (4) Motor (5) Positioning panel (6) Positioning conveyor (7)
Table lifter (8) Motor (9) Conveyor for empty pallets (10) Motor (11) Conveyor (12)
) Base frame (13) Rail (]4) Travel frame (15) Roller (16) Motor (17) Support frame (18) Travel platform (19) Push-up frame (20) Wedge plate (21) Hydraulic cylinder (22) Roller (23) Lifting frame (24) Rail (25) Roller (26) Mounting plate (27) Pivot tube (28) Vertical axis tube (29) Rotating plate (30) Adsorption device (31) Intake pipe (32) Rotary joint Into (33
) Motor (34) Gear (35) Pinion (36) (36a) (36b)
Bag Figure 6 Item 7a Figure Moromi S... Figure 9a Figure 9b Leap Figure 10a, 29 Figure 8 Figure 10b

Claims (2)

[Claims] (1) A transport conveyor installed on one side of the stacking position and capable of continuously transporting loads in one direction, and a running conveyor installed so as to be movable between the stacking position and above the transport conveyor. a platform; a drive means for reciprocating the platform between the stacking position and the top of the conveyor; and a rotary plate rotatably provided at the lower end of the platform to be rotatable about a vertical axis. It is characterized by comprising: a plurality of suction devices provided in an appropriate arrangement on the lower surface of the rotary plate; and a rotational driving means provided on the traveling base to rotate the rotary plate by a required angle around a vertical axis. Transfer device for stacked cargo. (2) The device according to claim (1), wherein there are four suction devices, each of which is arranged at equal intervals in the circumferential direction of the lower surface of the rotating plate.