JP2001247127A - Assembly type pallet exclusive for raw rubber - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide an assembly type pallet which is used to carry and store a raw rubber which is loaded in a hot condition of about 60 deg.C and naturally left for a predetermined time to remove the air therein, excellent in workability and safety, and can prevent the corrosion and the condensation in a winter time. SOLUTION: Engagement projections (68) (70) (72) which are connecting means to a loading plate (8) and coupling grooves (62) (64) with perpendicular bars (20) (22) of longitudinal frames (32) (34) coupled therewith in a slightly loose manner are provided on perpendicular bars (16) (18) to vertically connect and support right and left frames (28) (30) out of four frames comprising aluminum panels (10) (12) (14). Locking tools (24) (26) with an end of a latch (76) to be elastically supported by a spring (74) locally protruded inward of the coupling grooves (62) (64) are provided on both sides of upper parts of the longitudinal frames (32) (34), and an engagement hole (84) to be engaged in the latch is provided in the longitudinal frames (32) (34).

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a prefabricated pallet used mainly for loading, transporting and storing rubber raw materials in the form of chips.

[0002]

2. Description of the Related Art Rubber raw materials used for manufacturing bushings, oil seals, sealing rings, etc. of car tires and various industrial equipment are produced only in some specific countries. They are loaded on standardized pallets and traded. Immediately after production, at a high temperature of about 60 ° C,
Immediately, the material is loaded on a pallet, left in a warehouse or outside for a certain period of time, and contracted until the air inside the raw material is completely exhausted, and then shipped.

A pallet used for transporting and storing the rubber raw material may basically have a structure having a loading plate and a four-sided frame. When various foreign substances are mixed into the rubber raw material, physical properties change in the production process of the product, and a high quality product cannot be obtained. Due to such problems, pallets made of general metal materials and pallets made of wood that are currently used are incompatible with each other, and the development of alternative products is in a hurry.

That is, a pallet made of a metal material having a general structure has a loading plate and a four-sided frame formed by welding an iron plate to an inner surface of a square frame, and the weight is increased as the strength is improved. Structure. In addition, the structure for folding or disassembling the four-sided frame is complicated, and the locking device (locking member) for connecting and fixing the four-sided frame is a two-touch type, and is inferior in workability and safety. Can rust. If high temperature rubber materials are loaded in winter, dew condensation will occur through the iron plate on the four-sided frame due to the temperature difference from the outside air, so foreign substances such as moisture and rust may enter the rubber materials during the transportation and storage process. Yes, if a product is manufactured using rubber raw materials containing these materials, not only failure of the product due to changes in physical properties, but also malfunction due to the defective product and eventually damage to the product will have fatal results. May cause.

[0005] Wood pallets have a short service life and are not only inferior in workability and safety, but also have the possibility that wood chips may be mixed into rubber materials to cause changes in physical properties. Hazardous substances such as cause serious environmental pollution. Not only that,
In particular, in trade between nations, customs clearance is not permitted unless quarantine is carried out to block the influx of pests and disease remaining on timber. Therefore, the development of a dedicated pallet is urgently required.

[0006]

SUMMARY OF THE INVENTION It is an object of the present invention to provide a simple structure for disassembling and assembling a four-sided frame, a one-touch locking device for connecting and fixing the four-sided frame, and a workability. Another object of the present invention is to provide an assembling pallet dedicated to rubber raw materials which is excellent in safety and can be used without worry of corrosion and of course in winter use without fear of dew condensation.

[0007]

According to the structure of the present invention for achieving the above object, a concave groove is formed on the edge of the upper surface, and an engaging groove is provided at each corner of the concave groove. A loading plate provided to face each other, and a vertical bar is fixedly connected to both sides of several aluminum material panels which are each provided with a hollow portion and are laterally combined as many as required through the male and female coupling portions. Frame and basic configuration,
A vertical bar provided on each of the left and right frames of the four-sided frame has an engagement protrusion having a connection means with the support frame, a coupling groove for coupling with the front and rear frames, and rigidly couples the coupled front and rear frames. A one-touch locking device is provided.

In the above, the loading plate is constructed by mounting several panels on the upper surface of a rectangular support frame, and connecting and fixing a rectangular frame provided with a recessed groove from above the panel. Here, the engagement grooves formed at each corner of the square frame are provided in an “L” shape recessed outward, respectively, and the engagement grooves are combined with the engagement protrusions formed on the left and right frames. In this state, the left and right frames are expanded at an appropriate angle by the support of the engagement groove and the square frame, so that the front and rear frames can be disassembled and assembled between the expanded left and right frames. If the left and right frames are shrunk after assembling the front and rear frames, not only are the front and rear frames joined together, but also the engagement protrusions are inserted deeply into the engagement grooves of the support frame and joined, and the upper and lower A tight engagement is formed.

The locking device installed on the left and right frames has a structure in which a latch elastically installed by a spring on the left and right frames is engaged with an engagement hole of the front and rear frames. Also, at this time, the end of the latch protruding inside the coupling groove of the vertical bar has a curved guide surface, and when the front and rear frames for assembly enter, the engagement holes of the front and rear frames are guided by the curved guide surface. , And can be released by retracting the latch using the handle.

[0010]

FIG. 1 is an exploded perspective view of an assembled pallet according to the present invention. The assembling pallet according to the present invention comprises a loading plate (8) composed of a support frame (2), several panels (4), and a square frame (6), and a plurality of panels (10) each.
(12) (14) and vertical bars (16) (18) (20) (2
2) and a four-sided frame (28) (30) (32) (34) provided with a hook (24) (26).

FIG. 2 is an exploded perspective view in which a part of the loading plate and the frame in the present invention is enlarged. The loading plate (8)
Support frame made firmly in grid system with appropriate height
On the (2), several aluminum panels (4) each having a hollow portion are installed so that they are in close contact with each other, and a rectangular frame (6) made of aluminum from the upper side.
Is fixedly connected. In the above, the panel (4) and the square frame (6) made of an aluminum material are usually formed by extrusion. At this time, the panel (4) has a hollow portion, and the square frame (6) is extruded, cut into an appropriate length, and connected to form a square.

In the square frame (6), a recessed groove (36) is provided on the upper side so as to go around the square frame (6).
8) The lower ends of (30), (32) and (34) are slightly loosely connected. At the corners of the outer wall constituting the recessed groove (36) and the front and rear walls, each has a guide inclined surface at an entrance exposed to the upper part, and further, outwardly from the lower part thereof. Deeply recessed "L" shaped engagement groove (38)
(40) and (42) are formed to face each other back and forth. Also, at the upper end of the inner wall constituting the concave groove (36),
The support piece (44) extends horizontally inward, and during assembly,
The support pieces (44) press and fix the four edges of the panel (4) mounted on the support frame (2) from above.
A support collar (46) is formed to extend from a lower portion outside the concave groove (36), and an upper portion of the support frame (2) is partially connected to the inside thereof. After the connection, several bolts (48) are tightened from the side of the support collar (46) to be firmly connected and fixed so as to be integrated.

On the other hand, four-sided frames (28) (30) (32)
(34) also has several panels (10) (12) extruded from aluminum material so that a hollow portion is provided.
(14) and a vertical bar (16) for connecting and fixing the two sides.
(18), (20) and (22).

FIG. 4 is an exploded perspective view of a panel constituting a four-sided frame according to the present invention. Panel (10) (12)
(14) The upper and lower male and female joints (50) at the time of extrusion molding
(52), and by connecting several panels (10) (12) (14) using the respective male and female joints (50) (52), frames (28) (30) having a desired height are provided. ) (32) (34)
Is configured. Here, the female joint portion (50) is provided with guide projections (54) and (56) along the length direction on the inner surface on both sides, and the male joint portion (52) is provided with the lengthwise direction on the outer surface on both sides. The guide grooves (58) and (60) are provided along. Thereby, the panel (10)
(12) and (14) are connected to each other in the lateral direction. At this time, the upper and lower side panels of each frame
(10) and (14) are to eliminate unnecessary joints as much as possible and to have flat surfaces instead of them, so that the loading plate (8)
It is preferable to maintain stability and rigidity at the time of bonding with other pallets and lamination with other pallets. The above panel (1)
0) (12) (14)
6), (18), (20) and (22) are also obtained by extruding an aluminum material. After tightly inserting both ends of the panels (10), (12), and (14), each of which is assembled into several parts, into the assembling grooves provided on the side surfaces thereof, the four-sided frame ( 28), (30), (32) and (34). Left and right frames (28) of these frames
The vertical bars (16) and (18) constituting the (30) are provided with coupling grooves (62) and (64) facing each other from the left and right, so that the vertical bars of the front and rear frames (32) and (34) can be used when assembling the four-sided frame.
(20) Enable to combine (22).

In the above, the left and right frames (28) and (30)
At the lower end of the outer plate of the vertical bars (16) and (18), a cutting surface (66) inclined downward and outward is formed. Groove (38) (40) (4
By forming the engaging projections (68), (70), and (72) that are engaged with 2), when engaging with the engaging grooves (38), (40), and (42),
The left and right frames (28) and (30) are engaged with the projections (68), (70) and (7).
If it can be expanded by an appropriate angle around the axis 2), the front and rear frames 32 and 34 can be assembled between them.

FIG. 6 is a partially exploded perspective view of a frame showing the lock of the present invention. The locks (24) and (26)
Latches (l) which are installed on both upper sides of the left and right frames (28) and (30) and are elastically supported outward by springs (74).
(76), a handle (78) penetrating through the latch (76) and connected to the frame with a shaft pin, and a support piece (80) supporting the handle (78) from one direction. Be composed.

In the above, the ends of the latches (76) of the locks (24) and (26) are connected to the coupling grooves (6) of the vertical bars (16) and (18).
2) Partially project inside (64). A curved guide surface (82) is provided on the surface of the protrusion on the side of the entrance of the coupling groove (62) (64). And
When assembling the four side frames (28) (30) (32) (34)
Vertical bars (20) (2) on both sides of the front and rear frames (32) and (34)
When 2) enters the coupling grooves (62) and (64), the latch (64) is retracted by the guide of the curved guide surface (82). Further, when the vertical bars (20) and (22) have completely entered, the vertical bars (20) and (2) facing the latch (76) will be described.
By providing an engagement hole (84) on the inner surface of (2), the latch (76) is engaged with this.

In the assembly pallet according to the present invention, several panels (4) are mounted on the upper surface of the support frame (2), and the rectangular frame (6) is connected and fixed from above the stacking plate (8). And several panels (10) (12) joined laterally by respective male and female joints (50) (52).
By connecting and fixing the vertical bars (16), (18), (20) and (22) to both ends of (14) to form the four-sided frames (28) (30) (32) and (34), When loading, the loading plate
(8), the concave groove (36) of the loading plate (8), the coupling grooves (62) and (64) of the left and right frames (28) and (30), and the locking device.
Assembling and using (24) and (26) may be used. that time,
Panels (10), (12), and (14) constituting the four-sided frames (28), (30), (32), and (34) each have a hollow portion on the inside, and have male and female coupling portions (50), (52). Through to be assembled laterally. Therefore, the vertical bars (16), (18), (20), (22) connected and fixed to both sides of the panels (10), (12), (14)
It is not necessary to fix each of the panels (10), (12) and (14) with bolts. If only the upper and lower panels (10) and (14) are fixed with bolts, the entire body is twisted. Not firmly connected. Further, the weight can be significantly reduced as compared with a general metal pallet.

The four-side frame (2) is placed on the loading plate (8).
8), (30), (32) and (34) can be assembled as shown in FIG. First, the left and right frames
(28) Engagement projections (68) formed at the lower part on both sides of (30)
(70) and (72) are engaged with the engaging grooves (38), (40) and (42) of the loading plate (8).
If the left and right frames (28) and (30) are expanded outward around the engagement projections (68) (70) and (72), the left and right frames (28) and (30) are 8) Recessed groove
It can be expanded until it is supported by the outer wall of (36). In addition, between the left and right frames (28) and (30) expanded to form an appropriate inclination angle, the front and rear frames (32) and (3)
If the left and right frames (28) and (30) are shrunk after the combination of 4), the vertical bars (20) and (22) on both sides of the above-described front and rear frames (32) and (34) are moved to the left and right frames (28) and (30). Engagement grooves (62) provided in vertical bars (16) (18) on both sides of 30)
(64). At the time of coupling, the latch (76) can be used safely without the risk of being disengaged without the latch (76) being artificially retracted using the handle (78).

Such four-sided frames (28), (30), (3)
2) When assembling (34), the vertical bars (20) and (22) of the front and rear frames (32) and (34) are formed in the connecting grooves formed in the vertical bars (16) and (18) of the left and right frames (28) and (30). (62) and (64), the latches (76) of the locks (24) and (26), which partially protrude into the coupling grooves (62) and (64), become curved guide surfaces. With the guidance of (82), he will retreat. Also, the vertical bars (20) and (22) completely enter and the engagement holes (84) in the inner surfaces of the vertical bars (20) and (22).
Then, the launch (76) advances by the repulsive force of the spring (74), whereby the engagement with the engagement hole (84) is made firm, and the four-sided frames (28), (30) (3
2) (34) is assembled and fixed integrally.

That is, the left and right frames (2) are mounted on the loading plate (8).
8) and (30) are connected to each other, and while each of them is extended outward, the front and rear frames (32) and (3)
If the left and right frames (28) and (30) are narrowed after the combination of 4), the assembly is completed. Therefore, it can be easily assembled by one person.

After assembling, rubber materials are loaded and
The panel that constitutes the upper surface of the loading plate (8) even in a warehouse or outside storage until the air inside the rubber raw material is exhausted
(4) as well as four-sided frames (28) (30)
(32) Due to the hollow portions of the panels (10), (12), and (14) that also constitute (34), even when the temperature difference from outside of winter is severe, there is no danger of dew condensation because of the heat retention. Absent. Moreover, since it is an aluminum material, there is no concern about corrosion even if it is used for a long time. Since there is no danger of moisture or foreign substances permeating the rubber raw material during storage and transportation, it can be used with confidence.

Also, in the case of collection and storage after use, the locking device (24) provided on the left and right frames (28) (30)
After the handle (78) of (26) is grasped and the latch (76) is retracted to release the engagement with the engagement hole (84) of the front and rear frames (32) and (34), the engagement projection (68) Expand the left and right frames (28) and (30) around (70) and (72)
(32) (34) is disassembled, and then left and right frames (28)
(30) may be disassembled. Here, the left and right frames (28)
(30) can be folded on the loading plate (2) around the engaging projections (68) (70) (72) after disassembly of the front and rear frames (32) and (34). Front and rear frames (32)
(34) may be carried and stored. Such disassembly can be easily performed by one person.

[0024]

As described above, in the present invention, several aluminum panels (4) are mounted on the support frame (2) so as to be in close contact with each other, and the aluminum frame (6) is connected and fixed. And a plurality of aluminum panels (10) (1) assembled by the male and female joints (50) and (52).
2) (14) and a vertical bar (16) (1) connecting and supporting both sides thereof
8) (20) (22) and a four-sided frame (28) (30) (32)
By constructing and assembling (34) and using the product, not only the product is not twisted, but also it can be made firm and lightweight. During assembly, the left and right frames are placed on the loading plate (8).
If the left and right frames (28) and (30) are narrowed after the front and rear frames (32) and (34) have been connected between them, Ends. Further, at the time of disassembly, since the latch (76) is separated only by retracting using the handle (78), disassembly and assembly can be performed easily and quickly. Further, there is no possibility that the engagement with the locks (24) and (26) is released without any manual operation. Therefore, it is excellent in workability and safety. Further, there is no danger of corrosion even when used for a long time, and the loading plate (8) and the four-sided frames (28) (30) (32) (3)
Since the panels (4), (10), (12), and (14) constituting the panel (4) each have a hollow portion, there is no risk of dew condensation due to a temperature difference between the loaded rubber raw material and the outside air even in winter, and there is no possibility of moisture or moisture. It is possible to eliminate the risk of changes in the physical properties of the rubber raw material due to the mixing of various foreign substances.

[Brief description of the drawings]

FIG. 1 is an exploded perspective view of the present invention.

FIG. 2 is an exploded perspective view in which a part of a loading plate and a frame according to the present invention is enlarged.

FIG. 3 is a cross-sectional configuration diagram of a square frame constituting a loading plate according to the present invention.

FIG. 4 is an exploded perspective view of an aluminum block constituting a four-sided frame according to the present invention.

FIG. 5 is a partially exploded perspective view of an aluminum block used in the present invention.

FIG. 6 is a partially exploded perspective view of a frame showing an engagement port of the present invention.

FIG. 7 is a front structural view showing a state of assembly according to the present invention.

[Explanation of symbols]

 (2) Support frame (4) (10) (12) (14) Panel (6) Square frame (8) Loading plate (16) (18) (20) (22) Vertical bar (24) (26) Lock (28) (30) (32) (34) Frame (36) Recessed groove (38) (40) (42) Engagement groove (44) Supporting piece (46) Support collar (48) Bolt (50) Female Connection part (52) Male connection part (54) (56) Guide protrusion (58) (60) Guide groove (62) (64) Connection groove (66) Cutting surface (68) (70) (72) Engagement protrusion (74) Spring (76) Latch (78) Handle (80) Supporting piece (82) Curved guide surface (84) Engagement hole

Claims (4)

[Claims] An upper surface is constituted by a panel (4), and a recessed groove (36) is provided around the edge thereof, and a corner of an outer wall of the recessed groove (36) is front and rear. Square loading plate formed with engagement grooves (38), (40) and (42) facing each other
(8), and vertical bars (16), (18), (20) on both sides of several panels (10), (12), (14) connected vertically by respective male and female joints (50), (52). Four-sided frame fixed
(28), (30), (32) and (34), and the vertical bars (16) of the left and right frames (28) and (30) of the four-sided frames (28) (30) (32) and (34). ) (1
8) includes coupling grooves (62) and (64) facing left and right, respectively.
Forming vertical bars (20) of the front and rear frames (32) and (34).
(22) so that they can be connected slightly loosely. The loading plates (38) (4)
0) and (42) project and form engaging projections (68) (70) (72) for engagement with the engaging grooves (38) (40) (42). Latches (7
The front and rear frames are provided with locks (24) and (26) whose ends are partially protruded inside the coupling grooves (62) and (64), and face the latches (76) when assembling the four-sided frame. (32) (34) vertical bar (24) (26)
An assembly type pallet exclusively for rubber raw material, characterized by having an engagement hole (84). 2. A prefabricated pallet according to claim 1, wherein:
The panel (4) and the four-sided frame (28) constituting the loading plate (8)
Panels (10), (12) and (1) constituting (30), (32) and (34)
4) is a prefabricated pallet for rubber raw material, which is formed by extruding aluminum so that a hollow portion is provided inside. 3. The assembly type pallet according to claim 1, wherein
The engagement grooves (38), (40), and (42) of the loading plate (8) are respectively
An assembling pallet for rubber raw materials, characterized in that it is formed in an "L" shape recessed outward. 4. The prefabricated pallet according to claim 1, wherein
Locking tool (24) installed on left and right frames (28) (30)
(26) has a curved guide surface (82) at an end thereof, and is provided with a latch (76) elastically supported by a spring (74) and a handle (78) for retreating the latch (76). A prefabricated pallet for rubber raw materials, characterized by being composed.