JPS62263435A - Packaged freight drop tester - Google Patents

Abstract

PURPOSE:To drop packaged freight on a horizontal surface regardless of the size of said goods, by prescribing the dropping postures of packaged freights with various sizes dropped from a drop tester. CONSTITUTION:In such a state that packaged freights are placed on the head 5 of a drop tester, guide posts 11-14 are located along the vertical edge parts of the goods by allowing the forwardly and rearwardly moving sliders 15-18 provided to the lower parts of said posts to slide on movable guide levers 21, 22, 25, 26 and fixed guide levers 32, 34 and fixed by a position fixing element 35. In this case, the posts 11-14 are located along the goods so as not to obstruct the dropping of the freights. By operating the drop lever 6 of the drop tester in this state, an arm 3 revolves downwardly to drop the goods. Because the vertical edge parts of the freights drop along the posts 11-14, the freights drop on a horizontal plane without inclination.

Description

DETAILED DESCRIPTION OF THE INVENTION Field of the Invention The present invention relates to a drop testing device for testing packaged cargo by dropping it.

BACKGROUND OF THE INVENTION In general, in order to effectively proceed with packaging design, it is necessary to conduct packaging cargo testing. In particular, drop tests are highly sensitive and important test items, and for this purpose, a drop test device with high accuracy has been required.

By the way, conventional drop test apparatuses have utilized a simple drop tester using an arm as shown in FIG. 5, for example. In other words, in this simple drop test equipment, the arm 3 is set at an appropriate height position on the support 2 erected on the floor 1.
A bed 5 on which packaged cargo 4 is set is provided at the tip of the arm 3. Then, the falling operation is performed by pushing the falling lever 6, which releases the built-in arm stopper (not shown), and the arm 3 rotates around the arm main shaft 7, so that the packaged cargo 4 falls onto the falling board 8. ing.

Problems to be Solved by the Invention To explain the above operation with reference to FIG. 6, when the arm 3 starts to rotate around the arm main shaft 7, the front end 9 and the front end 1° of the bed 6 fixed to the arm 3 are The distance of the downward movement is different, that is, the distance of the downward movement of the front end portion 9 of the bed 5 is greater than that of the front portion 1o, and the bed 5 is in an inclined state. Therefore, the packaged cargo 4 set on the bed 5 naturally falls in an inclined state.

In such a drop test of packaged cargo, the packaged cargo falls at an angle to the floor (hereinafter referred to as "inclined drop").
In this case, the impact acceleration generated on the packaged cargo is smaller than that in the case of a horizontal drop (hereinafter referred to as a horizontal drop). Therefore, a highly accurate test can be performed by dropping horizontally.

The present invention takes the above-mentioned conventional problems into consideration and provides a packaged cargo drop test device that can drop packaged cargoes on a horizontal surface regardless of their size.

Means for Solving the Problems The technical means of the present invention for solving the above-mentioned problems includes: a drop testing machine that drops the packaged cargo on the bed of the arm by rotating the arm; The packaged cargo drop test device is composed of four guide columns that extend along the six vertical ridges of the cargo, and a slide mechanism that moves the four guide columns back and forth and left and right.

Function: The packaged cargo drop test device configured as described above regulates the falling packaged cargo by four guide columns so that it falls on a horizontal plane, and the guide columns can be slid to adapt to each size of packaged cargo. This means that the position can be adjusted.

EXAMPLE An example of the present invention will be described below with reference to FIGS. 1 to 4.

In the figure, 1 is the floor, 2 is the support, 3 is the arm, 4 is the packaged cargo, 5 is the bed, 6 is the drop lever, 7 is the arm main shaft,
Reference numeral 8 denotes a drop board, which is constructed in the same manner as the drop test machine described above, so a description thereof will be omitted.

This embodiment is characterized by combining the drop tester with a drop guide mechanism, that is, four guide columns each having a rectangular cross section along the six vertical ridges of the packaged cargo 4 having a rectangular parallelepiped shape. 11, 12, 13°14. At the bottom of each of the guide columns 11 to 14, there is a back and forth slider 15,
16, 17, and 18 are fixed, and the guide column 11 on the right side
, 12, two movable guide rods 21, 22 disposed in the front-rear direction are inserted into the two slide holes 19, 20 of the longitudinally movable sliders 15, 16 of the left side guide columns 13, 14. Two movable guide rods 25.26 arranged in the longitudinal direction are also inserted into the two slide holes 23.24 of the longitudinal slider 17.18. Left and right sliders 27.28 and 29, 30 are connected to the front and rear ends of each of the two sets of movable guide rods 21, 22 and 25.26, and the two left and right sliders 27,
A fixed guide rod 32 arranged in the left-right direction is inserted into the slide hole 31 of No. 28, and a fixed guide rod 34 is similarly arranged in the left-right direction in the slide hole 33 of the two left-right sliders 29 and 30 on the rear side. is inserted.

Each of the fixed guide rods 32 and 34 has both ends fixed to the falling board 8, and is arranged at a height that allows each of the left and right sliders 27 to 3o to slide. And each longitudinal movement slider 16-18 and horizontal movement slider 27-3
0 is provided with a position stator 35 in the form of a screw.

In the packaged cargo drop test device having the above configuration, when the packaged cargo 4 is placed on the bed 5 of the drop testing machine, each guide column 11 to 14 is moved along the six vertical ridges of the packaged cargo 4 at its lower part. The longitudinal sliders 15 to 18 and the horizontal sliders 27 to 3o provided on the movable guide rods 21, 22, 2
5, 26 and the fixed guide rods 32 and 34 to determine the position, and the position is fixed by the position stator 35.

In this case, the guide columns 11 to 14 are arranged along the packaged cargo 4 so as not to prevent the packaged cargo 4 from falling.

In this state, by operating the drop lever 6 of the drop testing machine, the arm 3 is rotated downward and the packaged cargo 4 is dropped. During this fall, since the guide columns 11 to 14 are placed along the six vertical ridges of the packaged cargo 4, the packaged cargo 4 does not tilt, that is, falls on a horizontal plane.
Highly accurate drop tests can be performed.

Next, if the size of the packaged cargo 4 is different, slide the longitudinal sliders 15 to 18 and the horizontal sliders 27 to 30 to adjust the position of each guide column 11 to 14, and then perform a drop test in the same way. can do.

In the above embodiment, two movable guide rods are provided on the left and right sides, but the front and rear sliders 15 to 18 are fitted so that they do not rotate relative to the movable guide rods, that is, the movable guide rods are made non-circular in cross section. , one movable guide rod on each side can be used.

Moreover, the two guide columns on the front side and the two guide columns on the rear side may be slidably related to the movable guide rod.

Effects of the Invention As is clear from the description of the embodiments above, the present invention is equipped with four guide columns and a slide mechanism for adjusting the position of the guide columns left and right and front and back. It is possible to control the falling posture of a packaged cargo of a size such as 100 to 1000 yen and allow it to fall on a horizontal surface, equalize the impact acceleration to the packaged cargo, and perform highly accurate drop tests. In addition, these effects can be achieved with a very simple device, and rational packaging design is promoted, which has great industrial effects.

[Brief explanation of drawings]

Fig. 1 is a perspective view of a packaged cargo drop test device according to an embodiment of the present invention, Fig. 2 is a side view of the same, Fig. 3 is a top view of the same, Fig. 4 is a perspective view of the same essential parts, and Fig. 5 is a FIG. 6 is a schematic side view of a simple drop testing machine, and is a schematic diagram of a conventional dropping posture of packaged cargo. 2... Prop, 3... Arm, 4...
...Packaged cargo, 6...Bed, 11-14.
...Guide column, 15-18...Forward-rearward movement slider, 21°22.25.26...Movable guide rod, 27-3°...Horizontal movement slider, 3
2.34...Fixed guide rod. Figure 2 Figure 3

Claims (3)

[Claims] (1) A drop testing machine that drops the packaged cargo on the bed of the arm by rotating the arm, four guide pillars that extend along each vertical ridgeline of the packaged cargo, and the four guides. Packaging cargo drop test device consisting of a sliding mechanism that moves the column back and forth and left and right. (2) The slide mechanism includes sliders provided at the lower ends of the four guide columns, at least two movable guide rods that guide the two sliders, and left-right sliders provided at both ends of the movable guide rods. The packaged cargo drop test device according to claim 1, comprising two fixed guide rods that guide left and right sliders at both ends of the movable guide rod. (3) The packaged cargo drop test apparatus according to claim 1 or 2, wherein the guide column is formed to have an L-shaped cross section.