JPH02193817A - Pallet loading system - Google Patents

Abstract

PURPOSE:To eliminate dead by placing more than one carry-in conveyor within an area in which a commodity holding mechanism can travel, as well as pallets for commodity loading positions associated with the carry-in conveyors and established within the area in which the commodity holding mechanism can travel. CONSTITUTION:More than one commodity carry-in conveyor 62 is installed in parallel from outside an overhead rail 3 of a support structure 1. Then, a loading position 63 is established and a pallet P placed in a floor space 61 in front of the conveyors 62, separately for each of them. A commodity carried in by the carry-in conveyor 62 is loaded by the movements of a travelling frame 7 and a laterally travelling frame 21 and by the action of a commodity holding mechanism 51 caused by vertical turning movements of upper and lower arms 35, 36 due to horizontal driving by a drive mechanism 38. This arrangement can eliminate members that protrude upward, hence dead space extending upward.

Description

[Detailed description of the invention] [Purpose of the invention] (Industrial application field) The present invention relates to a pallet loading device.

(Prior Art) A pallet loading device for loading articles onto a pallet is disclosed in Japanese Unexamined Patent Publication No. 45826/1983.

The pallet loading device disclosed in this publication is one in which an article holding mechanism is provided via a horizontal movement mechanism and a vertical movement mechanism on an elevated rail installed horizontally at a high place. The structure is such that a vertical arm with a vertical arm attached to the lower end can be raised and lowered in the length direction.

(Problems to be Solved by the Invention) In the conventional pallet loading device described above, the vertical arm with the article holding mechanism attached to the lower end moves up and down in its length direction, so the vertical arm protrudes upward for a long time. This creates a dead space above, and if the ceiling is low, it may not be possible to secure the loading height.

The present invention was made in view of the above points, and is a pallet loading device in which an article holding mechanism is provided on an elevated rail installed horizontally at a high place. This is to prevent a get space from occurring.

[Structure of the invention]

(F-stage for solving the problem) The pallet loading device of the present invention includes an elevated rail 3 installed horizontally at a high place, a moving frame 7 that moves at a high place along the elevated rail 3, etc. , a transverse frame 2 is provided on the moving frame 7 so as to be movable in a horizontal direction intersecting the moving direction of the moving frame 7.
1, a pair of upper and lower arms 35 and 36 that are rotatably supported in the vertical direction at the lower part of the transverse frame 21, and an arm 36 near the pivot of one arm 36 of the pair of upper and lower arms 35 and 36. An integrally provided actuating part 37, a horizontal drive mechanism 38 that moves the one arm 36 up and down by moving the actuating part 37 in the horizontal direction, and the tips of the pair of upper and lower arms 35 and 36. Arm 35.
Posture maintenance body 4 forming a parallelogram link with 36
9. The article holding machine @ 51 provided at the lower part of the posture maintaining body 49, the movement of the moving frame 7, and the movement of the traversing frame 21.
A plurality of article carry-in conveyors 62 are arranged in parallel in the movement range of the article holding mechanism 51 due to the movement of It is equipped with pallets P that are respectively distributed at a plurality of article loading positions 63 provided.

(Function) The pallet loading device of the present invention has a horizontal driving mechanism 3.
8, the arms 35 and 36 are moved up and down by moving the actuating portion 37 of the arm 36 in the horizontal direction, so that the long upwardly protruding portion can be eliminated.

(Embodiment) An embodiment of the pallet loading device of the present invention will be described with reference to FIGS. 1 and 2.

In the figure, reference numeral 1 denotes a frame, and this frame 1 is assembled into an elongated rectangular frame shape, supported horizontally at a high position by a plurality of supports 2, and has two opposing parallel long sides. Elevated rails 3 are attached to each inner side.

7 is a moving frame, and this moving frame 7 is assembled into a rectangular frame shape whose long sides are the distance between the pair of elevated rails 3 on both sides of the pedestal 1;
By engaging the elevated rail 3 with a plurality of wheels 8 that are pivotally supported on the outer sides of the two opposing parallel short sides, the platform 1 can be moved along the elevated rail 3 in the length direction. It is movably supported, and guide rails 9 are provided on the inner sides of its two opposing parallel long sides.

Four sprockets 11 are pivotally supported on the outer side of the pedestal 1 and are located on extensions of the elevated rails 3 on both sides, and two chains 12 are hung on these four sprockets 11 along the elevated rails 3. rotated, each gen 1
2 is fixed to the movable frame 7, and two sprockets 11 to one end of the pair of elevated rails 3 on both sides are connected by an interlock @ 13, and a sprocket 14 is attached to one end of the interlock shaft 13. This sprocket 14 is connected to a motor 15 provided on the pedestal 1 via a sprocket 16 and an endless chain 11. When the motor 15 is driven, the chains 12 on both sides are synchronized. The movable frame 7 is moved along the elevated rail 3 by driving.

Reference numeral 21 denotes a transverse frame, and this transverse frame 21 is constructed in the shape of a rectangular frame with one side being the distance between the pair of guide rails 9 on both sides of the moving frame 7, and the outer side of the two opposing parallel sides. By engaging with the guide rail 9, a plurality of ψ wheels 22, which are pivotally supported, are supported by the guide rail 9 so as to be movable in the longitudinal direction of the movable frame 7.

A screw shaft 26 is rotatably supported between the two opposing short sides of the moving frame 7 in parallel with the guide rail, and this screw shaft 26 is threaded through a nut body 27. A body 27 is attached to the transverse frame 21, and further includes a screw shaft 26.
However, the motor 28 provided on the moving frame 7 is equipped with a sprocket 29, an endless chain 30, and a sprocket 31.
When the motor 28 is driven, the slurry 1-shifter 26 is driven, and the transverse frame 21 moves along the guide rail 9 together with the nut body 27.

Further, a pair of upper and lower arms 35 are provided at the bottom of the transverse frame 21.
．． 36 is pivotally supported so as to be freely rotatable in the vertical direction, and a lever 37 as an actuating portion is integrally provided upwardly from the pivot support of the lower, thick and strong arm 36 and protrudes from the arm 36, and this lever 37
When a horizontal drive mechanism 38 provided on the transverse frame 21 moves in the horizontal direction, the lower arm 36 moves up and down.

The drive mechanism 38 supports one end of a supporting frame 42 rotatably in the vertical direction on the transverse frame 21 via an Ial 141, supports a screw shaft 43 rotatably on the supporting frame 42, and supports the screw shaft 43 rotatably in the vertical direction. 43 into the nut body 44, and attach this reed body 44 to the lever 37 of the arm 36.
A motor 45 attached to one end of a support frame 42 is connected to a screw shaft 43. When the motor 45 is driven, the screw shaft 43 is driven and the lever 37 is supported together with the nut body 44. It moves along the frame 42, thereby causing the arm 36 to move up and down.

The support frame 42, screw shaft 43, and motor 45 of the drive mechanism 38 are horizontal, and the lever 3
1 to move the arm 36 up and down, the support frame 42
The drive mechanism 38 rotates about the shaft 41, but the vertical movement of the support frame 42 at this time is reduced so that the drive mechanism 38 is always maintained in a substantially horizontal state.

A posture maintaining body 49 is pivotally connected to the tips of the pair of upper and lower arms 35 and 36, and this posture N holding body 49
together with the arms 35,36 form a parallelogram link, whereby the lower arm 36 is driven by the drive mechanism 38.
When the upper arm 35 moves up and down, the posture maintaining body 49 always maintains the same posture. A holding mechanism 51 is provided to be rotatable in the squirting direction, and this article holding mechanism 51 is configured to rotate in the horizontal direction by a rotating mechanism (not shown).

The article holding mechanism 51 is located at the bottom of the posture maintaining body 49.
A supporting frame 55 is attached through the support frame 55, and a fixed clamping body 56 is vertically attached to the lower part of one side of this supporting frame 55.
A movable clamping body 57 is provided vertically at the lower part of the other side of the support frame 55, facing the support frame 55, and the movable clamping body 57 is configured to move forward and backward toward the fixed clamping body 56 by a drive IJ mechanism (not shown). , in the closed state where the movable clamping body 57 is advanced toward the fixed clamping body 56, the fixed clamping body 56 and the movable clamping body 5
For example, a box-shaped article W is held between the two.

Since the movement direction of the moving frame 7 is the long side direction of the pedestal 1, and the moving direction of the transverse frame 21 is the short side direction of the pedestal 1, these movements cause the article holding mechanism 51 to
It can move freely within the range surrounded by the frame 1, and moreover, within this range, it can be raised and lowered between the frame 1 and the floor 61 by vertical movement of the arms 35 and 36. A plurality of article carry-in conveyors 62 are arranged in parallel from the outside of one of the elevated rails 3 of the pedestal 1 to the movement range of the article holding mechanism 51. Goods carrying conveyor 62
A loading position 63 is set on the floor 61 in front of the vehicle, and a pallet P is arranged at each of the plurality of loading positions 63.

Then, in the pallet loading device of this embodiment, each article carry-in conveyor θ2 conveys articles W by type or destination, and the articles W are moved to the tip of the article carry-in conveyor 62 by a stopper (not shown) or the like. The movable frame 7 is moved, the transverse frame 21 is moved, and the arm 35.360 times is rotated, and the closed fixed clamping body 56 and movable clamping body of the article holding mechanism 51 are placed on both sides of the article W. 5
7, and then move the movable clamping body 57 to the fixed clamping body 5.
6 and close it, the article W is held between the fixed clamping body 56 and the movable clamping body 57, and then the arms 35 and 36 are rotated and the transverse frame 21
and the moving frame 7, the article W is moved onto the pallet P at the corresponding loading position 63, and if necessary,
During the movement, the article holding mechanism 51 is rotated around the shaft 50 to adjust the direction of the held article W, and then the movable clamping body 5
7 from the fixed clamping body 56 and opening it, the article W between the fixed clamping body 56 and the movable clamping body 57 is lowered onto the pallet P. By repeating this operation, the article W is lowered onto the pallet P. Articles W carried in by the carry-in conveyor 62
The products are stacked in a predetermined number of stages in a predetermined stacking pattern on pallets P according to type or destination, for example.

In this pallet loading device, there is no long protruding part on the top of the pedestal 1 provided with the elevated rail 3, and in particular, there are no long protruding parts on the top of the pedestal 1 on the movable parts such as the moving frame 7 and the transverse frame 21. Since there is no horizontal drive machine horizontal 38, the dead space above the gantry 1 is extremely small, so even if the ceiling is low, the height of loading the goods W can be maximized. If the ceiling is high, the space above the pedestal 1 can be used effectively.

Note that when implementing the present invention, the present invention is not limited to the embodiments described above, and for example, the motor 15 for the moving frame 7 may be disposed at the bottom of the pedestal 1, or the drive bridge 38 for the arm 36 may be disposed at the bottom of the transverse frame 21. If the elevated rail 3 is placed in the
It is also possible to install it on the ceiling and eliminate the need for a support post 2, etc.

As described above, when the drive mechanism 38 is disposed at the lower part of the transverse frame 21, there is no need to provide the lever 37 as an actuating part on the arm 36, and a part of the arm 36 is used as an actuating part. The nut rest 44 can be directly attached to the shaft.

〔Effect of the invention〕

As described above, according to the present invention, in a pallet loading device that loads articles by type or destination carried in by a plurality of article carry-in conveyors onto pallets according to the corresponding type or destination, the article holding mechanism Since there is no long protruding part above the elevated rail in the moving parts such as the moving frame or the traversing frame, there is extremely little dead space above the elevated rail. Maximum height can be secured, and if the large moon is high, the space above can be used effectively.

[Brief explanation of the drawing]

The figures show one embodiment of the pallet loading device of the present invention, with FIG. 1 being a partially cutaway side view thereof, and FIG. 2 being a plan view thereof. 3. Elevated rail, 7. Moving frame, 21. Traverse frame, 3
5.36... Arm, 37... Lever as actuating part,
38... Drive mechanism, 49... Posture maintenance body, 51... Article holding mechanism, 62... Article loading conveyor, 63... Article loading position, P... Pallet, W... Article.

Claims (1)

[Claims] (1) An elevated rail installed horizontally at a high place, a moving frame that moves at a high place along the elevated rail, and a movable frame that is installed on this moving frame so that it can be moved in a horizontal direction that intersects the moving direction of the moving frame. a transverse frame, a pair of upper and lower arms rotatably supported in the vertical direction at the bottom of the transverse frame, and an actuator provided integrally with the arm near the pivot of one arm of the pair of upper and lower arms. a horizontal drive mechanism that moves the one arm up and down by horizontally moving the actuating part; and a horizontal drive mechanism that is pivotally supported by the tips of the pair of upper and lower arms and forms a parallelogram link with the arms. a posture maintaining body, an article holding mechanism provided under the posture maintaining body, and a plurality of article carrying conveyors arranged in parallel in a movement range of the article holding mechanism due to movement of the moving frame and movement of the transverse frame; A pallet load characterized by comprising, in correspondence with the plurality of article carrying-in conveyors, pallets respectively arranged at a plurality of article loading positions arranged in parallel with the article carrying-in conveyor in the movement range of the article holding mechanism. stacking equipment.