JPH07112889B2 - Stowage equipment - Google Patents

Description

Description: TECHNICAL FIELD The present invention relates to a stacking device capable of stacking a plurality of box-shaped containers such as containers and cardboard boxes on a trolley or the like.

[Conventional technology]

In the past, a plurality of containers carried by a conveyor or the like were manually laid out on a trolley, and a plurality of layers were similarly stacked on the trolley.

[Problems to be solved by the invention]

As described above, the box-shaped containers are conventionally manually loaded on the trolley, etc., so it is difficult to handle when the weight of the container is heavy, and unevenness and grooves are provided on the upper and lower surfaces of the container. The work becomes more complicated when the products are stacked by fitting them together to prevent a load shift.

As described above, in the conventional method, there is a problem that the burden on the worker is considerably large, and the labor is heavy and inefficient.

The present invention solves the above problems and provides an apparatus capable of accurately loading a box-shaped container such as a container or a cardboard box on a trolley in a short time.

[Means for solving problems]

The present invention is intended to improve efficiency by mechanizing and automating the work of loading a box-shaped container onto a trolley or the like, which has conventionally been performed manually.

The above-mentioned object of the present invention has a contact means for a side surface of a load already positioned at a predetermined position, supports the load already positioned in contact with the side surface, and horizontally positions the load on the load. A lower gripping mechanism which is configured to be capable of being connected to the lower gripping mechanism so as to be movable only in the vertical direction at a position above the lower gripping mechanism, and clamps a load to be transferred to a predetermined position from the side surface. A stacking means composed of an upper gripping mechanism is provided so as to be vertically movable along a vertical member of the frame body, and a load fed into the stacking means by another transport system is clamped by the upper gripping mechanism. When it is transferred to the predetermined position on the lower side of the frame,
By keeping the contact means of the lower gripping mechanism in contact with the side surface of the already loaded load, the next loaded load clamped by the upper gripping mechanism is already placed at the predetermined position. This is achieved by a stacking device that is configured to be capable of stacking by limiting horizontal displacement of the lower load.

A similar object has contact means for the side surface of the load already positioned at a predetermined position, supports the load already positioned in contact with the side surface, and enables horizontal positioning with respect to the load. A configured lower gripping mechanism and an upper gripper that is connected to the lower gripping mechanism so as to be relatively movable only in the vertical direction at a position above the lower gripping mechanism, and that clamps a load to be transferred to a predetermined position from a side surface. A stacking means, which is composed of a mechanism and is vertically movable along a vertical member of the frame, a carriage provided adjacent to the stacking means so as to be vertically movable, and the stack on the carriage. Adjacent to the load passing means, which is a bulging member that is attached to the attaching means so as to be able to move back and forth in the horizontal direction and moves to a position where the load can be held by the upper holding mechanism. And a load supply means having a load delivery mechanism for aligning the transported load carried by one stage and horizontally sending out the aligned load parts to the load delivery means side. It can also be achieved by a device.

A predetermined number of box-shaped containers conveyed by a conveyor are arranged in a plane by a load supplying means to form a layered block, and the layer sending block is sent out to the projecting member of the load passing means by a load sending mechanism to set a carriage. The stacking means is moved to the stacking height and the projecting member is moved forward into the frame of the stacking means, and the upper gripping mechanism clamps the layered block of the box-shaped container on the projecting member and retracts the projecting member, and the lower gripping mechanism. By repeating the operation of lowering the upper gripping mechanism with the box-shaped containers already loaded on the trolley, etc. supported at the specified position, the layered blocks of the box-shaped containers are stacked on the trolley by the specified number of steps. is there.

Hereinafter, details of the present invention will be described with reference to examples and drawings.

〔Example〕

The drawings show an embodiment of the device according to the invention, the right side of the drawing being the front part of the device and the left side being the rear part for convenience.

FIG. 1 and FIG. 2 are views showing the whole of the apparatus, which comprises a chain pusher frame (A) as a load supply means, a carriage frame (B) as a delivery means, and a compactor frame (C) as a loading means. The container (D), which has been transported by a conveyor, etc., is made into a layered block with a total of 4 (2 vertical and 2 horizontal), and a compactor frame (C)
It is possible to load up to 5 stages on a trolley (E) placed inside. First, the chain pressure frame (A) will be described with reference to FIGS. 3 and 4, and a plurality of rollers are rotatably provided side by side in the front-rear direction on the rear half (2) of the frame (1). An infeed roller conveyor (5) is provided on the front half (4) of the frame (1) so as to form a row (3) at a right angle and at the same height as the rollers. Further, a pair of endless chains (6) is located outside the roller row (3) so as to extend from the rear end roller (3 ') to the outside of the rear side frame (5') of the infeed roller conveyor (5). The chain (6) is movably provided with a roller row (3) and three pusher bars (7), (7 ') and (7 ") passing on the infeed roller conveyor (5) in a container. Are installed side by side with a sufficient space between them, the chain (6) is wound around the sprocket (8) attached to the frame (1), and the sprocket (8) is attached to the lower part of the frame (1). A belt or chain (1
The load delivery mechanism is formed so as to rotate via 0). The belt (12) driven by the motor (11) is brought into contact with the roller (13) on the lower surface of the infeed roller conveyor (5), and the movement of the belt (12) causes the roller (13) to rotate to move the container. It is moved (first time), and an appropriate stopper (100) is provided at the downstream end, and an appropriate cutting conveyor (not shown) is connected to the upstream side. In this way, the entire chain pusher frame (A) is formed.

Photoelectric tubes, magnetic sensing devices, and other sensing devices are provided at predetermined locations on the frame body (1), and when it detects that there is no container on the infeed roller conveyor (5), it drives the motor (11) to drive the belt ( The roller (13) is rotated by 12) and the two containers sent from the cutout conveyor are sent to the downstream side of the infeed roller conveyor (5) and stopped by a stopper (100) to form a container row. At this time, the first pusher bar (7) is located at the boundary between the infeed roller conveyor (5) and the roller row (3). When it is detected that a container row is formed, the motor (9) is driven to drive the chain (6).
Is moved and the two containers are moved onto the roller row (3) by the second pusher bar (7 ') to stop the drive of the motor (9), and the above operation is repeated to repeat the above operation. When it is detected that two container rows forming the next container row are formed on (5), the motor (9) is driven again to rotate the chain (6) and pusher bars (7 ') and (7 "). ) Sends four containers to the next carriage frame (B) and the first pusher bar (7) is at the first position, that is, at the boundary between the infeed roller conveyor (5) and the roller row (3). The chain (6) is rotated until it stops and the motor (9) is stopped.

In this implementation row, two containers are arranged in series to form a container row, and the two container rows are arranged in parallel to make a total of 4 containers.
Although the individual layered blocks are formed, the number and rows of the layered blocks formed can be appropriately changed by changing the dimensions of the infeed roller conveyor and the roller array and the number of pusher bars. In addition, it is needless to say that a general method used as a load delivery mechanism, for example, a cylinder type pusher bar or a chain transfer can be used.

Next, the carriage frame (B) will be described with reference to FIG. 5, FIG. 6 and FIG.
Is a frame body (16) assembled by vertically connecting four vertical members (14) and a lower horizontal frame (17) as a carriage.
b) and a horizontal frame (17) composed of an upper horizontal frame (17a) as an overhanging member.

Inside the frame body (16), the horizontal frame (17) assembled in upper and lower two stages is vertically movably inserted, the motor (18) and the sprocket (19) are mounted on the frame body (16), and the motor (1
It is configured to rotate via a belt or chain (20) by the drive of 8).

The chain (21) is wound around the sprocket (19), one end of the chain (21) is attached to the lower horizontal frame (17b) via the vertical rod (86), and the balance weight (22) is attached to the other end of the chain. It is installed.

A sprocket (23) is rotatably attached to the front and rear of the lower horizontal frame (17b), an endless chain (24) is wound, and a motor (25) is attached to the lower horizontal frame (17b). The sprocket (23) is rotated by driving the (25) via a belt or a chain (26).

Vertical plates (27) are fixed on both sides of the upper horizontal frame (17a), and rails (28) are provided on both sides of the lower horizontal frame (17b).
And is slidable back and forth.

A rail guide (29) or a wheel (30) is provided at the lower end of the vertical plate (27) and is engaged with the rail (28).

Furthermore, the chain (2) engaged with the sprocket (23)
4) and the upper horizontal frame (17a) are connected and fixed by a connecting member (31) on the lower surface of the front end of the upper horizontal frame (17a).

A number of thin rollers (32) are rotatably attached to the upper horizontal frame (17a) at right angles to the front-rear direction, and a flat plate-like shape is provided on the lower horizontal frame (17b) in the front-rear direction. The bar (33) is abutted, and a friction plate made of rubber or the like is attached to the entire upper surface of the bar (33), and the friction plate is in contact with the roller (32).

(34) is a guard rail, which is horizontally attached to vertical plates (35) standing on the front and rear sides of the lower horizontal frame (17b) to serve as a container guide.

In this way, the entire carriage frame (B) is configured to receive the container in a state where the horizontal frame (17) is lowered to the height corresponding to the roller row (3) of the chain pusher frame (A). . The carriage frame (B) is also provided with a sensing device such as a photoelectric tube and a magnetic sensing device at a predetermined position, and when the chain pusher frame (A) senses that four containers forming a layered block have been sent, the motor ( 18) is driven to rotate the sprocket (19) to raise the entire horizontal frame (17) to a predetermined stacking height.

In this embodiment, since the roller row (3) is set to the height corresponding to the second stage of the container loaded on the trolley, it remains unchanged at the time of stacking the first stage and the second stage. In this state, the motor (18) is not driven and the motor (25) is driven. When the motor (25) is driven and the sprocket (23) is rotated counterclockwise, the upper horizontal frame (17a) is connected to the chain (24) at the front end, so that the upper horizontal frame (17a) is compacted. The motor (25) is stopped when it projects into the frame (C) and a predetermined amount of it projects.

When four containers are pinched in the compactor frame (C), the motor (25) is rotated in the reverse direction and the upper horizontal frame (17)
Return a) into the frame body (16) and stop the motor (25).

When returning, the four containers are again sent out from the chain pusher frame (A) and placed on the rollers (32) of the upper horizontal frame (17a). The delivered container is on the front side (chain pusher frame (A) side) of the upper horizontal frame (17a), but when the upper horizontal frame (17a) is moved by the chain (24), the roller (32)
Is in contact with the friction plate attached to the flat bar (33), the friction plate of the bar (33) and the roller (32) are moved when the upper horizontal frame (17a) moves to the compactor frame side. The roller (32) rotates counterclockwise due to friction, so the container moves to the rear side and the compactor frame (C)
It moves to a position suitable for holding the container inside.

When loading a container of the third stage or more on a dolly or the like in the compactor frame (C), when it is detected that four containers are on the roller (32) of the upper horizontal frame (17a), the motor (18) Is driven by the chain (21) to raise the horizontal frame (17) to a predetermined stacking height and to drive the motor (18).
Of the horizontal frame (1) when the upper horizontal frame (17a) returns to the inside of the frame body (16) by stopping the driving of the
It descends 7) and receives the next container.

Rail guides (36) on both sides of the rear of the lower horizontal frame (17b)
Rails (37) provided on the vertical member (14)
The horizontal frame (17) can be smoothly moved up and down by engaging with. (See FIG. 7) Next, the compactor frame (C) will be described.
The compactor frame (C) includes a frame body (39) formed by vertically connecting two vertical members (38), and a lower frame as a lower gripping mechanism provided in the frame body (39) so as to be able to move up and down. (40)
And an upper frame (52) as an upper gripping mechanism connected to the lower frame (40) so as to be relatively movable only in the vertical direction.

In FIGS. 1 and 2, two vertical members (38) are vertically connected to form a frame body (39), and four containers are vertically and horizontally arranged between the vertical members (38) in the center. A rail-shaped guide (42) is provided outside the rear vertical member (41) of the lower frame (40) by vertically inserting a rectangular lower frame (40) that can be inserted in a block-shaped assembled into an address. Rails (4) provided on the vertical frame (38)
The motor (44) and the sprocket (45) are provided on the upper part of the frame body (39) by engaging with the sprocket (45) so that the sprocket (45) can rotate via a belt or a chain (46). ) Around which the chain (47) is wound, one end of the chain (47) is attached to the balance weight (48) that moves up and down in the vertical frame (38), and the other end is attached to the vertical member (41) of the lower frame (40). The lower frame (40) can be moved up and down by mounting it on the motor and driving the motor (44). The lower front end of the X-shaped pantograph (49) is pivotally attached to both sides of the lower frame (40) as shown in FIGS. 9 and 10, and the lower rear end is an air provided at the rear of the lower frame (40). It is pivotally attached to both ends of a connecting member (56) fixed to the tip of a rod (51) of a cylinder (50), the upper front end is pivotally attached to the side surface of the upper frame (52), and the upper rear end is a roller (53). Through the lower end of the roller guide bracket (54) provided on the outer surface of the upper frame (52), and the expansion and contraction of the air cylinder (50) causes the upper frame (5) to move.
2) Allow the vertical movement of the lower frame (40) without horizontal displacement. Further, vertical guides (101) erected upright through the upper frame (52) slidably are fixed to both sides of the rear part of the lower frame (40) to mainly prevent the lateral displacement.

Explaining the lower frame (40) based on FIG. 10, the lower frame (4
The inverted T-shaped link (59) is pivotally attached to the upper left corner of (0), and the rod (61) of the air cylinder (60) attached to the lower frame (40) is pivotally attached to the lower right end of the link (59). And one end of the rod (62) is pivotally attached to the lower left end, and the other end of the load (62) is pivotally attached to one end of an L-shaped link (63) pivotally attached to the lower left corner of the lower frame (40). To wear. One end of an L-shaped link (65) in which one end of a horizontal rod (64) is pivotally attached to the upper end of the link (59) and the other end of the rod (64) is pivotally attached to the upper right corner of the lower frame (40). To the other end of the link (63) (65), and one end of the rod (66) (67) to the rod (66) (67).
The other end of the rod is pivotally attached to an L-shaped link (68) (69) pivotally attached between the right side member and the lower side member of the lower frame (40), and the rod connecting the link (59) and the link (65). One end of two L-shaped links (70) is pivotally attached to the middle of (64), the plate (71) is pivotally attached to the remaining end of the link (70), and the middle of the links (70) Is pivotally attached to the lower frame (40). L is inserted in the middle of the rod (66) connecting the links (65) and (68).
One end of the link (72) is pivotally attached, the plate (73) is pivotally attached to the other ends of the link (72) and the link (68), and the middle of the links (68) and (72) is a lower frame ( 40). One end of the link (74) is pivotally attached to the middle of the rod (67) connecting the links (63) and (69), and the plate (75) is attached to the remaining ends of the links (74) and (69). The links (74) and (69) are pivotally attached to the lower frame (40). Rod (6
A turnbuckle (76) is provided between 4) and (67) to adjust the length of rods (64) and (67) to move the plates (71) (73) and (75). Can be adjusted.

Since the lower frame (40) is formed in this way, the three plates (71) (73) (75) can be simultaneously opened and closed by operating the air cylinder (60). Therefore, in cooperation with the rollers (55) mounted inside the rear portion of the lower frame (40), the upper portion of the container loaded on the trolley can be clamped from four sides and supported at a predetermined position.

Next, the upper frame (52) will be described with reference to FIG. 8 and FIG. 9. The vertical frame (77) is fixed upward in the middle of the upper frame (52), and the upper end of the vertical frame (77) is fixed. The arm (78) is rotatably pivoted forward and the roller (79) is pivotally mounted between the front ends of both arms (78), and the rod of the air cylinder (80) is located between the arms (78). (81) is pivotally attached, the air cylinder (80) is attached to the rear upper surface of the upper frame (52), and the container stopper plate (82) is provided on the rear side of the upper frame (52). is there.

Two air cylinders (83) are fixed in parallel on both sides of the upper frame (52), and the rods (84) of the two air cylinders (83) arranged side by side have a plate (85) for holding the container. ) Is fixed and the four containers are fed, the cylinder (80) is activated to lower the horizontally positioned arm (78) and the roller (79) is pressed against the container to stop it. Plate (8
At the same time as pressing it against 2), the cylinder (83) is activated to extend the rod (84), and the plate (85) is pressed against the containers to accurately position the four containers in the center and at the same time the upper part of the carriage frame (B). The container can be held so that the container does not drop even if the horizontal frame (17a) returns.

The operation of the compactor frame (C) configured as described above will be described. The first-stage container is placed on the truck (E) set in a predetermined position by the truck supporting and feeding device (F) in the compactor frame (C). When stacking the layered blocks of the above, the lower frame (40) is the upper horizontal frame (17a) of the carriage frame (B) descending according to the height of the roller row (3) of the chain pusher frame (A). It is located at the receiving height that corresponds to the overhang height. Further, the upper frame (52) is in the raised position with respect to the lower frame (40), the rollers (79) of the upper frame (52) are in the horizontal position, and further the plates (85) (71) (73) and (75). ) Is to wait until the layered block is sent from the carriage frame (B) in a pulled (opened) state.

When the layered block is sent from the carriage frame (B) on the upper horizontal frame (17a), the cylinders (80) and (83) of the upper frame (52) are operated to operate the rollers (79) and the plate. (85) holds the layered block in cooperation with the stopper plate (82). Next, when the upper horizontal frame (17a) returns to the inside of the carriage frame (B), the lower frame (40) is lowered to the stacking height of the first step and the cylinder (50) is operated to move the pantograph (49). The work is contracted and the upper frame is lowered, the cylinders (80) and (83) are operated to open the rollers (79) and the plate (85), and the work of stacking the layered block of the first stage on the carriage is completed.

Next, in the second-stage stacking, the lower frame (40) is raised to the receiving height, and the same operation as described above is performed to hold the second-layer layered block in the upper frame (52) and the upper horizontal When the frame (17a) returns to the carriage frame (B), the lower frame (40) is lowered to the second stacking height.

Next, the cylinder (60) is activated and the plates (71) (7
3) and (75) cooperate with the roller (55) to hold the upper part of the layered block of the first stage and support it at a predetermined position, and activate the cylinder (50) to operate the pantograph (4
9) Shrink and lower the upper frame (52) to stack the second layered block on the first layered block, open the roller (79) and the plate (85) and stack the second layer. Is performed.

When the second-stage loading is completed, the cylinder (60) is operated to open the plates (71) (73) and (75) to drive the motor (44) to raise the lower frame (40).

When the lower frame (40) is located above the second stage container, the motor (44) is stopped and the cylinder (60) is operated to hold the upper part of the second stage layered block and put it in position. While supporting and waiting for the next layered block to be sent with the upper frame (52) raised.

Repeat the same operation as above to carry out the loading of the third stage or more, and when the loading of the final stage is completed, the lower frame (40)
Is lifted to the uppermost position, and the trolley that has been stowed is sent out by the trolley supporting and sending device, the next trolley is set, and the next stowage is performed.

The gripping mechanism and the like in this device are not limited to those in this embodiment, and it goes without saying that they can be changed according to the shape of the container and the number of containers to be stacked.

〔The invention's effect〕

As described above, according to the present invention, a box-shaped container such as a container already loaded on a carriage is supported at a predetermined position by the lower gripping mechanism and is moved only in the vertical direction with respect to the lower gripping mechanism. Hold the container to be loaded next with the upper gripping mechanism connected to the upper gripping mechanism raised,
By lowering the upper gripping mechanism as it is, it is possible to perform orderly stacking without causing a horizontal load shift, and even in the case where the upper and lower surfaces are provided with fitting concaves and convexes, grooves, etc., accurately and quickly Loading can be performed while fitting the unevenness.

Furthermore, since a box-shaped container continuously conveyed by a conveyor or the like can be automatically formed into a layered block, and the blocks can be stacked on a trolley or the like in a plurality of stages without shifting the load by the mechanism, The burden on the operator is reduced, and the time required for stowage can be greatly reduced.

[Brief description of drawings]

1 and 2 are plan and side views of the apparatus, FIGS. 3 and 4 are plan and side views of a chain pusher frame, and FIGS. 5 and 6 are side and front views of a carriage frame. Figures 8 and 9 are plan views with the same half cut away.
FIG. 9 is a plan view of the upper frame of the compactor frame, FIG. 9 is a side view of the compactor frame, and FIG. 10 is a plan view of the lower frame.

 ─────────────────────────────────────────────────── ─── Continuation of front page (72) Inventor Shigeharu Yokoya 8-19-20 Higashisuna, Koto-ku, Tokyo Toyo Kanetsu Co., Ltd. (56) Reference JP-A-56-145030 (JP, A)

Claims (2)

[Claims] 1. A contact means for contacting a side surface of a load already positioned at a predetermined position, supporting the load already positioned by contacting the side surface and enabling horizontal positioning with respect to the load. Lower gripping mechanism and an upper gripping mechanism that is movably connected to the lower gripping mechanism at a position above the lower gripping mechanism so as to be movable only in the vertical direction, and that holds a load to be transferred to a predetermined position from the side surface. The stacking means consisting of is vertically movable along the vertical member of the frame body, and the load held in the stacking means by another transport system is sandwiched by the upper gripping mechanism and When the lower gripping mechanism is moved to the predetermined position on the lower side of the frame, the contact means of the lower gripping mechanism is kept in contact with the side surface of the already loaded load, so that the upper gripping mechanism holds it. Was then fucked A stacking device configured to be capable of stacking a load to be loaded on the lower load already placed at the predetermined position while limiting the positional displacement in the horizontal direction. 2. A contact means for contacting a side surface of the load already positioned at a predetermined position, supporting the load already positioned by contacting the side surface and enabling horizontal positioning with respect to the load. Lower gripping mechanism and an upper gripping mechanism that is movably connected to the lower gripping mechanism at a position above the lower gripping mechanism so as to be movable only in the vertical direction, and that holds a load to be transferred to a predetermined position from the side surface. A stacking means that is vertically movable along a vertical member of the frame body, a carriage that is vertically movable in the frame body that is provided adjacent to the stacking means, and the stacking means on the carriage. Adjoining the means for advancing and retreating in the horizontal direction and comprising a projecting member for moving the load to a position where the upper gripping mechanism can grip the load, A stacking device, which is provided with a load supply means having a load delivery mechanism for aligning the conveyed load by one stage and horizontally sending out the aligned load portions to the load transfer means side. .