JP2015051787A - Shaft-state container for transport having large diameter part on intermediate position - Google Patents

Abstract

PROBLEM TO BE SOLVED: To eliminate consumable members in a shaft-state intermediate product which is a hollow or solid state and has a large diameter part on an intermediate position such as a spark plug or in a transport step of the product, for making the container returnable, and to improve distribution efficiency.SOLUTION: The container for transport is formed from: a container body 2 in which respective lower parts of plural support holes 22 arranged in vertical and lateral directions of whole surface of a flat plate implant surface 21, have a cup; and a lid 3 formed of side walls and a ceiling, and has partition walls in the vicinity of an inside ceiling so that respective independent spaces can be secured on positions corresponding to the respective support holes 22 of the container body 2.

Description

  The present invention relates to a container for storing and transporting a large number of hollow or solid shafts having a large diameter portion having a large diameter at an intermediate position, such as a spark plug for an internal combustion engine.

  Spark plugs for gasoline engines, glow plugs for diesel engines, etc. (hereinafter collectively referred to as “spark plugs”) are ceramic sintered bodies that are susceptible to breakage, and have a large diameter in the middle position. It is a shaft-shaped body which has a part.

  An example of the spark plug will be described with reference to the drawings. 14A shows a finished spark plug 9 for a gasoline engine. Reference numeral 91 is a terminal nut to which an ignition wire is connected. Reference numeral 92 is a center electrode. Reference numeral 93 is an insulator. Reference numeral 94 is an insulator 93. A metal shell covering the lower half of the shell, reference numeral 95 is a thread portion called a reach provided at the tip of the shell 94, and reference numeral 96 is a ground electrode. The terminal nut 91 and the center electrode 92 are electrically connected within the insulator 93. Since the shell 94 and the ground electrode 96 are screwed into the engine cylinder and grounded to the vehicle body in use, the center electrode 92 and the ground electrode 92 are grounded. A spark is generated between the electrode 96 and the mixed gas in the engine can be ignited.

  On the other hand, in the spark plug manufacturing stage, the insulator 93 is baked in a state where the center electrode 92 is accommodated in the first step, and the shell 94 is put on the insulator 94 in the next second step to obtain a finished product. When moving from the first step to the second step, it is also necessary to transport the intermediate product 9a having the shape shown in FIG. The dimensions of spark plugs and the like are standardized in several types worldwide.

  Various containers are used for storing and transporting such intermediate products 9a or finished spark plugs 9 in large quantities. For example, it is common to place a spark plug of an intermediate product or a finished product one by one in a cushioned foamed resin sachet or wrap it with paper and pack it into a cardboard box. Must be assembled one by one by hand, and fillings such as plastic bags and paper, cushioning materials, cardboard boxes, etc. are all disposable consumables, not only costly but also resource-intensive Is wasted. Therefore, attempts have been made to use flat trays with holes and stack several trays with plugs inserted into the holes one by one and store them in a container for transport.

  Patent Document 1 describes a tray used for setting an insulator in a heating process when manufacturing a spark plug. 15 is a plan view of the tray described in Patent Document 1, FIG. 16 is a cross-sectional view, reference numeral 1 is a plate-like tray body, reference numeral 12 is a stepped hole formed through the plate surface, and reference numeral 8 is A shaft-like body having a large-diameter portion at an intermediate position stored in the tray. A number of stepped holes 12 are formed in the tray body 1. Regardless of the intermediate product or the finished product, the spark plug or the like has a cylindrical shape having a large-diameter collar in the middle, so that the shaft-like body 8 is placed on the step of the stepped hole. If it is stored in the container, it will not fall down and can be transported stably. However, especially in the case of an intermediate product before firing, when the robot hand touches the adjacent intermediate product or comes in contact with the intermediate product when planting (inserting) or removing it from the tray with an industrial robot, etc., the product is damaged. As a result, the gap between the holes cannot be made very small. On the other hand, it is necessary to stably store the holes so that they do not fall down during transportation.

JP 2005-132691 A

  The present invention eliminates the man-hours for assembling a conventional cardboard box, integrates the members corresponding to the tray and the cardboard box, eliminates the disposable consumable members, makes everything returnable and enables multi-stage stacking, and In the case of an empty load, the object is to realize a container for transporting a shaft-like body having a large diameter portion at an intermediate position, in which the bulk (bulk) is reduced to improve the transport efficiency.

  The present invention according to claim 1 is a container in which a shaft-like body having a large-diameter portion is inserted in an intermediate portion in the axial direction and a plurality of support holes are formed to support the shaft-like body at the large-diameter portion. A container for transporting a shaft-shaped body having a large-diameter portion at an intermediate portion, comprising a main body and a lid that covers the container body and covers the upper side of the shaft-shaped body inserted into the support hole, The support hole is formed so as to be arranged vertically and horizontally on the entire surface of the flat planting surface, and is stored so that the lower part of the inserted shaft-shaped body does not come into contact with the shaft-shaped body inserted into the adjacent support hole. The lid has a ceiling that covers the upper side of the shaft-like body that is inserted into the support hole in a state of being covered with the container body, and a side wall that is connected to the periphery of the ceiling. And the inner surface of the ceiling has a position corresponding to each support hole in the container body. A partition wall is formed so as to secure an independent space, and the upper end portion of the shaft-like body supported by the container body by the large diameter portion is in contact with the container body without being in contact with the container body. It is comprised so that it may accommodate.

  According to a second aspect of the present invention, in the first aspect of the invention, the container body and the lid have flanges protruding from the respective mating surfaces to the outer peripheral side, and one flange has the one flange. A protrusion protruding toward the other flange that faces the flange is formed, and a fitting groove that fits the protrusion is formed in the other flange. It is a container for conveyance of the shaft-shaped body which has.

  According to a third aspect of the present invention, in the first or second aspect of the present invention, the outer side surface of the container main body and the outer side surface of the lid are connected to the respective flanges to support the respective flanges. Is a shaft-shaped conveyance container having a large-diameter portion at an intermediate position.

  According to a fourth aspect of the present invention, in the invention according to any one of the first to third aspects, a concave portion having a shape corresponding to a shape of a bottom portion of the container body is formed on an upper surface of the lid that is an outer surface of the ceiling in the lid. A large diameter portion at an intermediate position, wherein the container body is stacked on the lid placed on the container body with the bottom portion fitted in the recess. It is the container for conveyance of the shaft-shaped body which has.

  According to a fifth aspect of the present invention, in the invention according to any one of the first to fourth aspects, the lid has a space in which the container body in an inverted state can be stored inside the lid by overlapping the flanges with the flanges. This is a container for transporting a shaft-like body having a large diameter portion at an intermediate position.

  According to a sixth aspect of the present invention, in the invention according to any one of the first to fifth aspects, a handle for carrying is formed on the flange of the container body or the flanges of the container body and the lid. This is a container for transporting a shaft-like body having a large diameter portion at an intermediate position.

  According to a seventh aspect of the present invention, there is provided the intermediate position according to any one of the first to sixth aspects, wherein a recess for winding a binding belt is formed around the entire circumference of the container body and the lid. The container for conveyance of the shaft-shaped body which has a large diameter part.

  If the container for conveyance of the present invention is used, the shaft-shaped body having a large-diameter portion is stably held at the intermediate position, thereby preventing the shaft-shaped body that is the object to be conveyed from being damaged and ensuring the quality. At the same time, it is possible to stack a large number of stages, and in the case of an empty load, the bulk can be reduced, so that transportation efficiency is improved and a disposable consumable member is unnecessary, contributing to resource protection. Has an effect.

It is a perspective conceptual diagram which shows the container for conveyance of the shaft-shaped body which has a large diameter part in the intermediate position in the Example of this invention. It is a perspective view which cuts off and shows a part of container main body in the Example of this invention. It is a perspective view which cuts out and shows a part of container main body in the Example of this invention similarly. It is a perspective view which cuts off and shows a part of lid | cover in the Example of this invention. It is a perspective view which cuts off and shows a part of lid similarly in the Example of this invention. It is a top view which shows the planting surface of the container main body in the Example of this invention. It is a fragmentary sectional view in the state where a shaft-like object was stored in a container body in an example of the present invention, and a lid was put on. It is a partial front view in the state where a shaft-like body was stored in a container body in an embodiment of the present invention and a lid was put on. It is an expanded sectional view of the part shown with the code | symbol F of FIG. It is explanatory drawing explaining the structure of the cover concerning this invention compared with a conventional product. It is a front view which shows the state which piled up the container in the Example of this invention up and down. It is the fragmentary front view which shows the state which stored the container in the Example of this invention in the lid with the container body turned upside down in a partial cross section. It is a conceptual diagram explaining the transportation form of the product by the container for conveyance which concerns on this invention. It is a front view which shows an example of the spark plug which can be made into object by this invention. It is a top view of the tray which shows the prior art. It is sectional drawing of the tray which shows the prior art.

  Hereinafter, a preferred embodiment of the present invention will be described in detail with reference to the drawings. In the following examples, an example in which a cylindrical body that is a hollow shaft-shaped body is used as an object to be transported will be described as an example of a shaft-shaped body.

  FIG. 1 is a schematic perspective view showing a container for transporting a shaft-like body having a large-diameter portion at an intermediate position in the embodiment. Reference numeral 2 denotes a container body, and reference numeral 3 denotes a lid. The upper surface of the container main body 2 is a planting surface 21 into which a shaft-like body is inserted and planted, and a large number of round holes 22 corresponding to support holes in the present invention are formed side by side. Reference numeral 27 denotes a handle provided on the container body 1 for carrying the container. Further, a flat portion 28 on which a label or the like can be attached to a part of the side surface of the lid 3 is provided. Further, recesses 29 and 39 around which the binding belt is wound are formed over the entire circumference of the container body 2 and the lid 3.

  This container is entirely made of resin, and as a kind of resin, polypropylene resin is optimal in view of manufacturing cost, strength that can cope with a temperature difference between colds, and the like, but is not limited thereto.

  2 and 3 are perspective views showing a part of the container body 2 cut out. FIG. 2 shows the same orientation as the use state, and FIG. 3 shows the back side with the top and bottom reversed for explanation. Yes. As shown in these drawings, the planting surface 21 which is the upper surface of the container body 2 in which the round holes 22 are formed side by side is a portion corresponding to a so-called tray. A cup 23 extending from the surface 21 to the lower side thereof is formed. Further, a flange 24 projecting outward is integrally formed on the periphery of the planting surface 21. In order to maintain the strength of the flange 24 between the lower surface of the flange 24 and the outer surface of the container body 2 (that is, the outer surface of the cup 23 located on the outermost peripheral side), the vertical ribs 25 are spaced at predetermined intervals. Is formed. Further, a protrusion 26 is formed on the upper surface of the flange 24 continuously or intermittently on the entire circumference thereof.

  4 and 5 are perspective views showing a part of the lid 3 cut away, where FIG. 4 is in the same orientation as in use, and FIG. Show. The lid 3 is not a simple flat plate, but is formed in a recessed shape so as to have a predetermined internal volume. That is, the lid 3 is formed by the ceiling 32 and the side wall 31 extending in the height direction from the periphery of the ceiling 32 so as to form a substantially quadrangular pyramid (a truncated pyramid) as a whole. A lattice portion 33 is formed on the inner surface of 32. As will be described later, the lattice portion 33 is for partitioning a space portion into which an upper end portion of a cylindrical body that is a transported object is inserted, and is formed by a partition wall that intersects the inner surface of the ceiling 32 vertically and horizontally. It is formed in a rectangular shape.

  Further, a flange 34 projecting outward is integrally formed around the opening end of the lid 3. The flange 34 is configured to face and closely contact the flange 24 in the container body 2 described above, and vertical ribs 35 are formed between the upper surface of the flange 34 and the outer surface of the side wall 31 in order to ensure the strength. ing. The width (or thickness) of the vertical rib 35 is set to be larger than the vertical rib 25 formed in the container main body 2, and the position thereof is set to the same position as the vertical rib 25 in the container main body 2. A longitudinal groove 37 is formed on the inner side so as to be cut from the inner surface of the lid 3. The width of these vertical grooves 37 is equal to or greater than the thickness of the vertical ribs 25 in the container body 2, and the vertical ribs 25 in the container body 2 can be inserted into the vertical grooves 37. Furthermore, a fitting groove 36 is formed on the lower surface of the flange 34 (the surface facing the container main body 2 when used). The fitting groove 36 is a groove for fitting the protrusion 26 formed in the container body 2 in a close contact state. Therefore, the fitting groove 36 is located at a position corresponding to the flange 24 in the container body 2. A shape corresponding to the shape of the flange 24 is formed.

  Here, a specific arrangement and size of the round holes 22 corresponding to the support holes in the present invention will be described. FIG. 6 is a plan view showing the planting surface 21 of the container body 2. In the example shown here, the container dimensions are, for example, 448 mm in the horizontal direction and 354 mm in the vertical direction, and the round holes 22 are formed in the horizontal direction on the planting surface 21. It is arranged in 25 rows and 20 rows in the vertical direction, and can accommodate a total of 500 shaft-like bodies. Incidentally, the center interval of the round holes 22 is set to a minimum value of 13.3 mm in consideration of the dimensions of various plugs.

  FIG. 7 is a partial cross-sectional view in a state where the shaft body 8 is accommodated in the container body 2 and the lid 3 is covered. The cup 23 following the planting surface 21 has a straight portion having a depth of about 5 mm, and the lower portion thereof is gradually narrowed as close as possible to the shape of the spark plug which is the shaft-like body 8 while leaving a gap. It has a sunk shape. The straight portion is a portion for fitting a large-diameter portion formed at an intermediate position in the axial direction of the shaft-like body 8, and therefore there is a substantial step 21a at the lower end position of the straight portion. The shaft-like body 8 is accommodated with the large-diameter portion 81 placed on the step 21a. The tip of the shaft-like body 8 (spark plug) does not reach the bottom of the cup 23 and is in a floating state. On the other hand, the upper end side of the shaft-like body 8 does not reach the ceiling 32 and is not in contact with the lattice portion 33. However, when it is about to fall for some reason, it is blocked by the lattice portion 33, and contact with the adjacent shaft-like body 8 is prevented.

  Thus, what is important for storage is the portion of the round hole 22 of the planting surface 21, and the upper and lower cups 23 and the lattice portion 33 are not in contact with the shaft-like body 8 in a normal state, and the gap is maintained, so Since it is a part which suppresses shaking a head, these do not necessarily need to be a cup shape or a lattice shape.

  FIG. 8 is a partial front view showing a state in which the shaft body 8 is housed in the container body 2 described so far and the lid 3 is covered. FIG. 9 shows an enlarged cross section of the mating portion of the upper and lower flanges 24 and 34 indicated by the symbol F. Since the flange 24 of the container body 2 is provided with a protrusion 26 and the flange 34 of the lid 3 is provided with a fitting groove 36 corresponding thereto, when the container 3 is covered with the lid 3, The fitting groove 36 is fitted. As shown in FIG. 10, for example, compared to a container body having a straight side wall and covered with a lid having a right angle fold, when a load is applied from the top, the surrounding gap is difficult to open, and the upper surface is less bent. Therefore, it is advantageous when stacking in multiple stages as shown in FIG.

  FIG. 11 is a front view showing a state in which the containers of the embodiment containing the shaft-like body 8 are stacked up and down. The state where the 2nd step which similarly covered the lid | cover 3b on the container main body 2b was piled up on the 1st step | paragraph which covered the lid | cover 3a on the container main body 2a is shown. In order to stack in this way, in the container of the present invention, the overall shape outside the cup 23 portion of the container body 2 shown in FIG. 2 and the overall shape inside the upper end portion of the side wall 31 of the lid 3 shown in FIG. Further, the height of the ceiling 32 is made slightly lower than the side wall 31 so that the upper container body 2 is fitted on the lid 3. Thereby, since the side wall 31 becomes a wave shape, the intensity | strength of the direction to accumulate improves. Further, a large number of vertical ribs 25 and 35 are arranged on the side surfaces of the container body 2 and the lid 3 in order to cope with the stacking load.

  When a predetermined number of spark plugs are stored in the storage container of this embodiment, the weight is approximately 20 kg, and if it is one by one, it can be easily carried by human power. And when storing it in a warehouse or storing it in a large container, it is possible to stack up to 20 levels.

  On the other hand, FIG. 12 is a partial front view showing a state in which the container body 2 is housed in the lid 3 that is turned upside down in order to reduce the bulk of the empty container after the shaft-like body 8 is taken out. The lid 3 is a complete space from the flange 34 to the lattice portion 33 directly below the ceiling 32, and the container body 2 can be accommodated in the entire space. Therefore, unlike the storage state, the height is only the height of the lid 3, and the volume is reduced to about 2/3, so that a large number can be transported together. When the container body 2 is inserted into the lid 3, since the inside of the vertical rib 35 of the lid 3 is a vertical groove 37 as shown in FIG. Enter and stabilize.

  Next, a product transportation mode using the transport container of the present invention will be described with reference to FIG. Although it has already been described that a shaft-like body, for example, a spark plug, is manufactured in two steps, the first step is performed in, for example, an overseas A factory, and this is stored in the transport container of the present invention. It shall be transported to the domestic factory B. At the B factory, the intermediate product sent from the A factory is once taken out of the container, processed in the second step, converted into a product, stored again in the container, and transported to the domestic C factory which is the final use destination. At Factory C, the spark plug is taken out of the container and the engine is assembled. The emptied container is not discarded, but is returned to the D factory as it is empty. Factory D is a depot that inspects, repairs, stores and supplies containers. Located near the A factory, a predetermined quantity of containers are supplied to the A factory in a timely manner according to the request of the A factory.

  Since the transport container of the present invention is compact and does not require consumables such as padding, it is designed to have good stackability in storage and to reduce the amount of empty containers, so an economical returnable transport system can be realized. . For transportation between factories, for example, large marine containers are used, and transportation is generally carried out by truck on the land route and by ship etc. on the sea route. However, by using the container of the present invention, arrangements for these transportation means are made. In addition to container supply, inspection, maintenance, etc., it is possible to implement so-called “third party logistics (3PL)” where the entire transportation cycle is undertaken by a third party rather than the product manufacturer. Pay the logistics costs to the 3PL parties on a "per item" basis and entrust the entire transportation cycle. On the other hand, the 3PL party operates the D factory to supply and manage containers, and if it arranges trucks and ships for the entire transportation cycle, the total cost of manufacturing and transportation can be reduced. Is done.

  DESCRIPTION OF SYMBOLS 1 ... Tray, 2 ... Container body, 3 ... Lid, 8 ... Shaft-shaped body, 9 ... Spark plug, 21 ... Planting surface, 21a ... Lower end position of straight part, 22 ... Round hole, 23 ... Cup, 24, 34 ... Flange, 25, 35 ... Vertical rib, 26 ... Projection, 27 ... Grip, 28 ... Plane part, 29, 39 ... Recess, 31 ... Side wall, 32 ... Ceiling, 33 ... Grid part, 36 ... Fitting groove, 37 ... Longitudinal groove, 81 ... large diameter part.

Claims (7)

A container body in which a shaft-like body having a large-diameter portion is inserted in an intermediate portion in the axial direction and a plurality of support holes for supporting the shaft-like body is formed at the large-diameter portion, and the container body is covered. A container for transporting a shaft-shaped body having a large-diameter portion at an intermediate portion, comprising a lid covering the upper side of the shaft-shaped body inserted into the support hole,
The support holes are formed vertically and horizontally on the entire surface of the plate-like planting surface, and the lower part of the inserted shaft-like body does not come into contact with the shaft-like body inserted into the adjacent support hole. Has a cup that can be stored,
The lid has a ceiling covering the upper side of the shaft-like body inserted into the support hole in a state of being covered with the container body, and a side wall connected to the periphery of the ceiling, and on the inner surface of the ceiling The partition wall is formed so as to secure an independent space at a position corresponding to each support hole in the container body, and is supported by the container body by the large-diameter portion in a state of covering the container body. A container for transporting a shaft-shaped body having a large-diameter portion at an intermediate portion, wherein the upper-end portion of the shaft-shaped body is accommodated without contacting. The container body and the lid each have a flange protruding from the respective mating surface to the outer peripheral side,
One flange is formed with a protrusion protruding toward the other flange facing the one flange,
The other flange is formed with a fitting groove that fits the protrusion, and the container for transporting a shaft-like body having a large-diameter portion at an intermediate position according to claim 1.   3. The intermediate according to claim 1, wherein longitudinal ribs connected to the respective flanges and supporting the respective flanges are formed on the outer surface of the container main body and the outer surface of the lid, respectively. A container for conveying a shaft-like body having a large diameter portion at a position.   A concave portion having a shape corresponding to the shape of the bottom portion of the container body is formed on the top surface of the lid, which is the outer surface of the ceiling of the lid, and another container body is placed on the bottom of the lid placed on the container body. The container for transporting a shaft-like body having a large-diameter portion at an intermediate position according to any one of claims 1 to 3, wherein the container is configured to be stacked in a state of being fitted in the recess.   5. The large-diameter portion at an intermediate position according to claim 1, wherein the lid has a space in which the container body in an inverted state can be accommodated inside the lid by overlapping the flanges. A container for transporting a shaft-like body.   6. A large-diameter portion at an intermediate position according to claim 1, wherein a handle for carrying is formed on the flange of the container main body or on each flange of the container main body and the lid. A container for transporting a shaft-like body.   The conveyance of the shaft-shaped body having a large diameter portion at an intermediate position according to any one of claims 1 to 6, wherein a concave portion around which a binding belt is wound is formed all around the container body and the lid. Container.

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