WO2020032427A1 - Dispositif de moule pour fabriquer une palette ayant une structure hexagonale - Google Patents

Dispositif de moule pour fabriquer une palette ayant une structure hexagonale Download PDF

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Publication number
WO2020032427A1
WO2020032427A1 PCT/KR2019/009020 KR2019009020W WO2020032427A1 WO 2020032427 A1 WO2020032427 A1 WO 2020032427A1 KR 2019009020 W KR2019009020 W KR 2019009020W WO 2020032427 A1 WO2020032427 A1 WO 2020032427A1
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WIPO (PCT)
Prior art keywords
hexagon structure
pallet
core
mold
hexagon
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Ceased
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PCT/KR2019/009020
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English (en)
Korean (ko)
Inventor
최영환
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Individual
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Individual
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Publication of WO2020032427A1 publication Critical patent/WO2020032427A1/fr
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
    • B29C45/17—Component parts, details or accessories; Auxiliary operations
    • B29C45/26—Moulds
    • B29C45/2602—Mould construction elements
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
    • B29C45/17—Component parts, details or accessories; Auxiliary operations
    • B29C45/26—Moulds
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
    • B29L2031/00—Other particular articles
    • B29L2031/712—Containers; Packaging elements or accessories, Packages
    • B29L2031/7178—Pallets

Definitions

  • the present invention relates to a mold apparatus for producing pallets. More particularly, the present invention relates to a mold apparatus for injection molding a pallet used as a support for supporting a cargo when the cargo is unloaded.
  • the pallet is a kind of pedestal used for unloading work using a forklift or a hand car (cart), and the vertical length is formed to be stacked in a certain quantity unit to increase the efficiency of unloading through standardization of cargo.
  • pallets are made of wood or resin, but insects are parasitic in wood, causing problems in quarantine and damage to products.
  • the pallet made of synthetic resin integrally forms an upper panel and a lower panel in which a grid-shaped space is formed, and forms an insertion space into which the fork of the forklift or the forklift is inserted, for example, between the upper panel and the lower panel. It is configured.
  • the pallet made of synthetic resin is manufactured by a method of injection molding through a mold apparatus called an injection mold or a molding apparatus, which will be described in detail with reference to the accompanying drawings.
  • FIG. 1 is a cross-sectional view showing a mold apparatus for manufacturing a pallet according to the prior art, the upper fastening plate 102 and the lower fastening plate 104, the upper fastening plate 102 is fastened to the injection molding machine for forming a pallet used in a forklift or a hand car
  • the upper disc 106 and the lower disc 108 fixed to the fastening plate 102 and the lower fastening plate 104, the resin supply unit 110 is assembled to the upper fastening plate 102, the upper disc 106 ) And an upper core 112 and a lower core 114 respectively fixed to the lower disc 108.
  • the slide connector 120 is installed on the lower disk 108 to vertically move up and down to form an opening and a peripheral inclined surface in the lower portion of the pallet, the slide connector 120 and the lower portion of the slide connector 120 when lifting Insert core 130 having a plurality of inner sliders 220 which are horizontally slid in all directions along guide rails formed on the disc 108, and the slide connector 120 of the insert core 130.
  • Lifting means 230 for elevating up and down and between the upper core 112 and the lower core 114 includes a slide core 140 for forming a pallet.
  • the slide core 140 is slidably installed to the left and right of the lower disc 108 by the first hydraulic cylinder 160 connected to the slide block 150, and asymmetrically installed and operated on the left and right sides respectively. have.
  • the mold for producing a pallet according to the prior art can manufacture a large amount of pallets used in a forklift or a hand car, but the pallet manufactured by the mold manufacturing device for such a pallet is not only heavy in weight but also a synthetic resin required for injection molding. There is a problem that the consumption of the excessive consumption itself.
  • An object of the present invention is to provide a mold apparatus for producing a pallet of the hexagon structure to facilitate injection molding of a hexagon structure pallet that can be configured to a low weight and high rigidity.
  • the mold apparatus for manufacturing a pallet of the hexagon structure is formed in a rectangular top plate formed of a synthetic resin, integrally formed at each vertex of the top plate and protruded downwardly and the first inside.
  • An outer body including a corner pillar having a receiving space formed therebetween, an intermediate pillar formed between the corner pillars and integrally formed with the upper plate, and having a second receiving space formed therein, and an insertion space formed between the corner pillar and the middle pillar;
  • the first and second accommodating spaces are integrally formed in the first and second accommodating spaces, and are integrated with the outer main body.
  • the first cores are arranged in a hexagonal shape and are arranged in a horizontal line, and the upper ends of the hexagons are arranged by interconnecting each vertex of the first cores.
  • a mold apparatus for injection molding a hexagon-containing pallet including: a side mold disposed on each side of the outer body and configured to be slidable in a horizontal direction, the side mold having no slide core on one side facing the side of the upper plate; ;
  • the hexagonal pallet has a first internal space formed inside the upper plate, and a second internal space corresponding to the first internal space.
  • a lower plate formed in the inner side and integrally formed with the upper plate through a corner pillar and an intermediate pillar; And an inner body disposed in the center of the first and second inner spaces, the center body having a third accommodation space formed therein, and a connection panel connecting the center pillars to the middle pillars.
  • injection mold hexa structure is formed in the first inner space and the third receiving space can be integrated with the pallet of the hexagon structure.
  • the side mold is divided and arranged on each side of the outer body, the pin to make the slide in the horizontal direction through the angular pin Holes may be formed.
  • the side mold is the upper plate so that (Rib) and the passage is alternately arranged in a lattice shape on each side of the upper plate constituting the outer body. Slide cores protruding at equal intervals toward the side may be formed on one side.
  • the side mold may be a tapered portion formed on the lower side of one side the slide core is formed.
  • the hexagon structure is integrally formed in each space of the pallet formed of a synthetic resin to easily manufacture a pallet having a low weight and high rigidity hexagon structure, and as a result, injection of the pallet The amount of synthetic resin used can be effectively reduced.
  • FIG. 1 is a cross-sectional view showing a mold apparatus for producing a pallet according to the prior art.
  • Figure 2 is a perspective view showing a mold apparatus for producing a pallet of the hexagon structure according to an embodiment of the present invention.
  • Figure 3 is an enlarged perspective view showing the main portion of the mold apparatus for producing a pallet of the hexagon structure according to FIG.
  • Figure 4 (a) and (b) is an enlarged cross-sectional view showing the main portion of the mold apparatus for producing a pallet of the hexagon structure according to FIG.
  • 5 to 6 is a perspective view showing a pallet of the hexagon structure manufactured through a mold apparatus for producing a pallet of the hexagon structure according to an embodiment of the present invention.
  • FIG. 7 is a perspective view illustrating a part of the hexagon structure removed from the pallet of the hexagon structure according to FIG. 6.
  • FIG. 8 is a plan view illustrating the pallet of the hexagon structure according to FIG. 6 as viewed from above.
  • FIG. 8 is a plan view illustrating the pallet of the hexagon structure according to FIG. 6 as viewed from above.
  • FIG. 9 is a perspective view illustrating the pallet of the hexagon structure according to FIG. 8 by cutting along the line AA ′.
  • FIG. 9 is a perspective view illustrating the pallet of the hexagon structure according to FIG. 8 by cutting along the line AA ′.
  • Figure 10 is an enlarged perspective view showing the main portion of the mold apparatus for producing a pallet of the hexagon structure according to an embodiment of the present invention.
  • FIG. 11 is a cross-sectional view showing a mold apparatus for producing a pallet of the hexagon structure according to FIG.
  • FIG. 12 is a perspective view showing when viewed from below the hexagon structure of the pallet manufactured by the mold apparatus for producing a hexagon structure of the pallet according to an embodiment of the present invention.
  • FIG. 13 is a perspective view of the pallet of the hexagon structure according to FIG. 8 taken along line BB ′.
  • first, second, A, B, (a), and (b) may be used. These terms are only to distinguish the components from other components, and the nature, order, order, etc. of the components are not limited by the terms. If a component is described as being “connected”, “coupled” or “connected” to another component, that component may be directly connected to or connected to that other component, but there may be another configuration between each component. It is to be understood that the elements may be “connected”, “coupled” or “connected”.
  • Figure 2 is a perspective view of a mold apparatus 2 for producing a pallet of hexagon structure according to an embodiment of the present invention, the side mold (3) is dividedly arranged on the side of the pallet 1 of the hexagon structure, the hexagon The first and second hexagon structure injection molds 5 and 6 are arranged on the upper and lower portions of the pallet 1 of the structure.
  • FIG. 3 is a perspective view showing an enlarged main part of the mold apparatus 2 for manufacturing a pallet of the hexagon structure according to FIG. 2, wherein the first hexagon structure injection mold in which the upper core 5b disposed in the hexagon structure protrudes in the downward direction is shown in FIG. (5) and the second hexagon structure injection mold 6 in which the lower core 6b disposed in the hexagon structure corresponding to the upper core 5b protrudes upward.
  • Figure 4 (a) and (b) is an enlarged sectional view of the main portion of the mold apparatus 2 for manufacturing a pallet of the hexagon structure according to Figure 2, the first and second hexagon structure injection mold (5) made of a combination with each other (6) and the first and second hexagon structure injection molds (5) and (6), the first and second hexagon structure injection molds (5) and (6) have.
  • FIG. 5 to 6 is a perspective view of a pallet (1) of the hexagon structure manufactured by the mold apparatus 2 for manufacturing a pallet of the hexagon structure according to an embodiment of the present invention
  • the corner pillar 12 and the intermediate column ( 13 shows a hexagonal pallet (1) in which the hexagon structure (30) is integrally formed in each space of the outer body (10) and the inner body (20) integrally formed so that the insertion space (15) is formed. .
  • FIG. 7 is a perspective view of the hexagon structure by partially removing the hexagon structure from the pallet 1 of the hexagon structure according to FIG. 6, wherein the first inner space 11a and the first, second and third accommodating spaces 12a, 13a ( 21a) shows the internal structure by removing the hexagon structure 30.
  • FIG. 8 is a plan view illustrating the hexagonal pallet 1 according to FIG. 6 as viewed from above, and includes a first inner space 11a and first, second and third accommodating spaces 12a of the upper plate 11 (FIG. 13a) and 21a show the outer body 10 in which the hexagon structure 30 is disposed.
  • FIG. 9 is a perspective view of the pallet 1 having the hexagon structure according to FIG. 8, cut along the line A-A ', and has a hexagonal plate-like first core 31 arranged in a horizontal line through the first connection part 33. Connecting the vertices of the first and second vertices of the hexagonal plate-shaped second core 34 arranged on the horizontal line through the second connecting portion 36 and then connecting the first and second cores 31 through the support 37.
  • the hexagon structure 30 is formed in the second accommodation space (13a) by connecting the (34) in an oblique direction.
  • the mold apparatus 2 for manufacturing a hexagonal pallet is disposed on each side of the hexagonal pallet 1, for example, horizontal through the angular pin (4) Side mold (3) and the hexagonal pallet having a slide core (Slide Core) on one surface facing the side surface of the upper plate of the outer body constituting the hexagonal pallet (1) of the hexagonal structure in a slidable direction
  • the first and second hexagon structure injection molds (5) and (6) which are respectively disposed on the upper and lower portions of (1) and which injection molding the hexagon structure (30) integrally during injection molding of the pallet (1) of the hexagon structure, are included. do.
  • hexagonal pallet 1 prior to explaining the mold apparatus 2 for manufacturing a hexagonal pallet according to an embodiment of the present invention in detail, the hexagonal pallet 1 will be described to help explain and easily explain an embodiment of the present invention. Will be explained first.
  • the hexagonal pallet (1) includes an outer body (10).
  • the outer body 10 is injection molded through a conventional mold apparatus well known in the art, including a mold manufacturing apparatus (see Fig. 1) specifically disclosed in the art that is the background of the invention.
  • the outer body 10 is formed integrally at each vertex of the upper plate 11, the upper plate 11 formed of a synthetic resin, protruding downwardly formed, the first receiving inside It includes a corner pillar 12 formed with a space 12a and an intermediate pillar 13 formed between the corner pillars 12.
  • the upper plate 11 is formed to a thickness enough to support the cargo, for example, a square plate having the same width and length, and may have a first inner space 11a formed therein.
  • the side of the top plate 11 is a lattice reinforcement structure having a rib (Rib) and the passage (11b) is composed of a so-called private structure (see Figure 5) or formed through a slide core (Slide Core) (see Figure 6) It can be configured as.
  • the top plate 11 having the ribs 11c and the passage 11b may have a supporting force for supporting the cargo through the grid-shaped reinforcement structure.
  • the top plate 11 may be provided.
  • Reinforcement structure for supporting the cargo can be configured by the method to form the hexagon structure (30).
  • the corner pillars 12 may have a first accommodating space 12a having a circular or quadrangular cross section formed therein and integrally formed at each vertex of the upper plate 11 and protruding downward.
  • first accommodating space 12a having a circular or quadrangular cross section formed therein and integrally formed at each vertex of the upper plate 11 and protruding downward.
  • the intermediate pillar 13 formed between the corner pillars 12 has a second receiving space 13a formed therein and is integrally formed with the upper plate 11, and the corner pillars 12 and the intermediate pillars 13 are formed.
  • the insertion space 15 into which the fork of the forklift is inserted is formed therebetween.
  • the outer body 10 is formed with four corner pillars 12 and four intermediate pillars 13 on the upper plate 11 integrally, and the corner pillars 12 and the intermediate pillars.
  • Eight insertion space 15 is formed between the (13) is formed, the lower portion of the insertion space 15 may be finished (see Fig. 5).
  • the outer main body 10 is disposed between the corner pillars 12 and is integrally formed with the upper plate 11, and the intermediate pillar 13 and the intermediate pillar 13 in which the second receiving space 13a is formed inside.
  • a lower plate 14 formed integrally with the upper plate 11 through the corner pillars 12 and having a second inner space 14a corresponding to the first inner space 11a.
  • the lower plate 14 like the upper plate 11, for example, is a square plate of the same horizontal and vertical, except that the lower plate 14 can be added or removed depending on the configuration of the pallet 1 of the hexagon structure, Optional.
  • the pallet 1 of the hexagon structure is integrally formed, and the insertion space 15 into which the fork of the forklift or the body of the handcar itself is inserted between the outer body 10 and the outer body 10. It may include an inner body 20 to form a.
  • the inner body 20 is a component disposed at the center of the first and second inner spaces 11a and 14a and integrally connected to the four intermediate pillars 13, and the first and second inner spaces 11a.
  • a center column 21 disposed at the center of the 14a and a connecting panel 22 connecting the center column 21 to the middle column 13 are included.
  • the center pillar 21 is formed, for example, with a third accommodation space 21a having a circular or rectangular cross section inside.
  • a third accommodation space 21a having a circular or rectangular cross section inside.
  • the connecting panel 22 connects the central column 21 and the intermediate column 13 to form the inner body 20 integrally when the outer body 10 is manufactured.
  • the connection panel 22 may be implemented by connecting the upper and lower portions of the center column 21 and the middle column 13 to reduce the amount of material used.
  • the upper connection panel 22a and the lower connection panel may be used. It can be separated into (22b).
  • the inner body 20 is configured in such a way that four or eight connection panels 22 are arranged in a cross shape in one central column 21.
  • the amount of synthetic resin as a material can be reduced Effective in terms of savings.
  • the pallet 1 of the hexagon structure includes a hexagon structure 30 formed integrally in each space formed in the outer body 10 and the inner body 20.
  • the hexagon structure 30 is formed integrally with each of the first, second and third accommodating spaces 12a, 13a, 21a and the first internal space 11a of the outer body 10, for example. 10) and the inner body 20, respectively, to form a low weight and high rigid hexagon structure pallet (1).
  • the hexagon structure 30 is formed in a hexagonal plate to form a hexagonal upper structure 32 by interconnecting each vertex of the first core 31 and the first core 31 arranged in a horizontal line 1 includes a connecting portion (33).
  • the second core 34 disposed in an oblique direction spaced below the first core 31 and formed in a hexagonal plate arranged on a horizontal line, the vertices of the second core 34 by interconnecting each vertex of the second core 34 It includes a second connecting portion 36 to form the lower structure 35 of the and the support 37 for connecting the edges of the first and second cores 31, 34 facing each other in an oblique direction.
  • the first and second cores 31 and 34 are formed in substantially the same shape to be spaced apart from each other in an up and down direction, and disposed in an oblique direction. And it is connected to the vertices of the other core arranged on the horizontal line through the first and second connecting portions 33 and 36 formed at each vertex.
  • the hexagon structure 30 is a basic structure of the hexagon structure 30 through the first and second cores 31 and 34 and the first and second connectors 33 and 36.
  • the hexagonal upper structure 32 and the lower structure 35 are configured, and the hexagon structure 30 is formed by arranging the upper structure 32 and the lower structure 35 in the horizontal plane, respectively.
  • the upper structure 32 and the lower structure 35 forms a weight reduction space for reducing the weight of the pallet 1 of the hexagon structure.
  • the upper structure 32 is a total of six weight reduction space is formed through the first connecting portion 33, thereby hexagon in which the hexagon structure 30 is integrally formed There is an effect of reducing the overall weight of the pallet 1 of the structure.
  • the support 37 for interconnecting the upper structure 32 and the lower structure 35 for example, generates a bearing force for supporting the cargo loaded on the upper portion of the outer body 10 and at the same time induces a weight reduction have.
  • the support 37 connects the edges of the first and second cores 31 and 34 facing each other, for example, the lower edge of the first core 31 and the upper edge of the second core 34 in an oblique direction.
  • the support 37 When viewed from the side, by being formed in a triangular pyramid shape, it is possible to generate a support force for supporting the cargo while reducing the amount of synthetic resin used as a material.
  • hexagon structure 30 according to an embodiment of the present invention includes a third connecting portion 38 for interconnecting the first and second connecting portions 33 and 36.
  • the third connecting portion 38 is formed in the vertical direction, and both ends thereof are connected to the first and second connecting portions 33 and 36, respectively, thereby effectively increasing the holding force for supporting the cargo.
  • the third connection portion 38 eliminates undercuts in the mold apparatus to prevent undercuts and improve the flow of the resin, which causes difficulty in ejecting the hexagon structure 30 from the mold apparatus. It is composed.
  • the hexagon structure 30 is connected to and integrated with the outer body 10 and the inner body 20 through the first and second cores 31 and 34 or the first and second connecting portions 33 and 36, respectively.
  • the hexagon structure 30 can be manufactured by injection molding using a mold apparatus, in order to improve the flow of resin during injection molding, and to easily eject the hexagon structure 30 in which injection molding is completed from the mold apparatus, the third connection portion 38. ) Is constructed.
  • the hexagon structure 30, which is reduced in weight and secures rigidity, includes the first, second and third accommodating spaces 12a, 13a, 21a and the first internal space 11a.
  • Each is integrally formed in the outer body 10 and the inner body 20, respectively, it is possible to provide a low weight and high rigid hexagonal pallet (1).
  • the hexagon structure 30 is injection molded through the mold apparatus 2 including the first and second hexagon structure injection mold (5) (6) At the same time as the injection molding of the pallet 1 of the hexagon structure, the injection molding is integrated with the pallet 1 of the hexagon structure.
  • the first and second hexagon structure injection mold (5) (6) is the upper structure 32 and the lower structure 35, constituting the hexagon structure 30 to correspond to the hexagon structure 30, the upper structure
  • An injection molding space (Cavity) formed substantially the same as the structure of the support 37 and the third connecting portion 38 interconnecting the lower structure (32) and the lower structure (35) is provided and constitutes the injection molding space
  • the upper core 5b and the lower core 6b are provided to protrude to face each other.
  • first and second hexagon structure injection molds 5 and 6 are provided in shapes corresponding to the second and third accommodation spaces 13a and 21a and the first internal space 11a, respectively.
  • the hexagon structure 30 can be integrally injection molded into the three accommodation spaces 13a and 21a and the first internal space 11a.
  • the hexagon structure 30 may be integrally formed on the upper plate 11 in place of the lattice reinforcement structure formed of the ribs 11c and the passages 11b.
  • the hexagon structure 30 may be applied.
  • the injection molding space is hereinafter referred to as a first injection molding space 5a and a second injection molding space 6a.
  • the first hexagon structure injection mold 5 is formed to protrude downwardly, and each side is formed in an oblique direction, a linear direction and a combination thereof, and when the upper core 5b made of polygonal cross section is viewed from below. It is arranged in a hexagon structure by using a triangle as a base unit, the first injection molding space (5a) corresponding to the hexagon structure 30 is provided between the upper core (5b) can be elevated on top of the pallet (1) of the hexagon structure Is placed.
  • the first hexagon structure injection mold 5 is filled in the first injection molding space 5a in which molten resin is provided between the upper cores 5b, so that the upper structure 32 and the lower structure 35, and the upper structure
  • the upper core 5b is processed into a hexagon structure so that the hexagon structure 30 including the support 37 and the third connection portion 38 interconnecting the lower structure 35 to the lower structure 35 can be injection molded.
  • the injection molding of the hexagon structure 30 through the molding is completed, it is installed in the mold apparatus 2 to be separated from the pallet 1 of the hexagon structure through mold opening.
  • the second hexagon structure injection mold 6 is formed to protrude upwards, and each side is formed in an oblique direction, a linear direction and a combination thereof so as to correspond to the upper core 5b, and the upper core is formed in a cross-sectional shape.
  • the bottom core 6b for injection molding the hexagon structure 30 through the combination with (5b) is arranged in the hexagon structure with the triangle as a base unit when viewed from above.
  • a second injection molding space 6a corresponding to the hexagon structure 30 is provided between the lower cores 6b so that the lower core 6b may be lifted and lowered under the pallet 1 of the hexagon structure.
  • the second hexagon-structure injection mold 6 is filled with the molten resin in the second injection molding space 6a provided between the lower cores 6b when the first hexagon-structure injection mold 5 is combined with the upper structure ( 32 and the lower structure 35, the hexagon structure 30 composed of a support 37 and the third connecting portion 38 interconnecting the upper structure 32 and the lower structure 35 to the injection molding
  • the core 6b is processed into a hexagon structure and arranged.
  • the second hexagonal structure injection mold 6 also completes the injection molding of the hexagonal structure 30 so that the mold apparatus 2 is separated from the pallet 1 of the hexagonal structure when the mold apparatus 2 is opened. It is installed in).
  • the hexagon structure 30 and the pallet 1 of the hexagon structure can be easily integrally formed, and the amount of synthetic resin required for injection molding can be effectively reduced.
  • FIG. 10 is a perspective view showing an enlarged main portion of a mold apparatus for manufacturing a pallet of a hexagon structure according to an embodiment of the present invention, wherein the pinholes 3a are formed to fasten the angular pins 4, and on one side thereof.
  • die 3 in which the slide core 3b was formed is shown.
  • FIG. 11 is a cross-sectional view illustrating a mold apparatus for manufacturing a pallet of the hexagon structure according to FIG. 10, showing a configuration in which a tapered portion 3c is formed at a lower end of one side of a side mold 3 on which a slide core 3b is formed. It is showing.
  • FIG. 12 is a perspective view of the hexagon structure pallet 1 manufactured through the hexagon structure pallet manufacturing apparatus according to an embodiment of the present invention when viewed from below, constituting the outer body 10
  • FIG. 13 is a perspective view of the pallet 1 having the hexagon structure according to FIG. 8, cut along the line B-B ', and has a hexagonal plate-like first core 31 arranged horizontally through the first connection part 33.
  • Hexagonal upper structure 32 is formed by connecting each vertex of), and each vertex of the second core 34 on the hexagonal plate arranged horizontally through the second connecting portion 36 is connected to the lower side of the hexagon. It is shown that the hexagon structure 30 in which the structure 35 is arranged is formed in the first internal space 11a.
  • the pallet 1 of the hexagon structure manufactured by the mold apparatus for manufacturing a pallet of the hexagon structure according to an embodiment of the present invention is formed a lattice reinforcement structure for constituting low weight, high rigidity Can be provided.
  • the outer body 10 constituting the pallet 1 of the hexagon structure may be alternately formed with a rib 11c and a passage 11b on the upper plate 11. That is, the rib 11c and the passage 11b may be provided by forming a lattice reinforcement structure on the upper plate 11 of the so-called private structure (see FIG. 5).
  • the passage (11b) and the rib (11c) is a configuration for reinforcing the rigidity of the outer body 10, not only can improve the bearing capacity for supporting the cargo through the rib (11c) but also improve the durability and life Can be extended.
  • the side mold (3) is divided and arranged on each side of the outer body 10, the pin hole (3a) is formed so that the slide in the horizontal direction through the angular pin (4), The slide core 3b is protruded at equal intervals on the upper left side and is installed in the mold apparatus 2.
  • the side mold (3) is made to slide through the angular pin (4) and the pin hole (3a) to injection molding the outer body 10, the slide core (3b) formed on the upper left side of the figure
  • the injection molding of the pallet 1 of the hexagon structure is made in the state of being inserted into the outer body 10, the passage 11b and the rib 11c alternately in the upper plate 11 when the injection molding is completed. It is formed.
  • the outer body 10 having the reinforcing structure formed on the upper plate 11 through the side mold 3 rounds each vertex, and forms tapered corners of the lower part in contact with the wheels of the handcar. While significantly reducing the amount of phosphorus synthetic resin, for example, it is possible to effectively reduce the degree of damage or breakage during unexpected contact with cargo or surrounding objects.
  • the wheels of the hand car can be easily entered during the unloading operation through the hand car, so that the pallet 1 of the hexagon structure is damaged. Easy handling of cargo can be done while preventing.
  • the side mold 3 has a tapered portion 3c formed at the bottom of the left side of the drawing on which the slide core 3b is formed to taper each corner of the lower portion in contact with the wheel of the hand car.
  • the taper should be interpreted to include not only a straight line but also a round close to the straight line.
  • the reinforcement structure can be easily formed on the pallet 1 of the hexagon structure through the side mold 3, but also the lower structure which can be easily unloaded through the hand car. It is effective in terms of convenience.
  • top plate 11a first internal space
  • corner pillar 12a first receiving space
  • center pillar 21a third receiving space
  • connection panel 22a upper connection panel
  • first connection portion 34 second core

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  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Mechanical Engineering (AREA)
  • Moulds For Moulding Plastics Or The Like (AREA)
  • Pallets (AREA)

Abstract

La présente invention concerne un dispositif de moule pour fabriquer une palette et, plus spécifiquement, un dispositif de moule pour mouler par injection une palette à utiliser en tant que support pour maintenir et supporter une cargaison lors du chargement et du déchargement de la cargaison.
PCT/KR2019/009020 2018-08-09 2019-07-22 Dispositif de moule pour fabriquer une palette ayant une structure hexagonale Ceased WO2020032427A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
KR10-2018-0093298 2018-08-09
KR1020180093298A KR102153074B1 (ko) 2018-08-09 2018-08-09 헥사곤 구조의 팔레트 제조용 금형장치

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WO2020032427A1 true WO2020032427A1 (fr) 2020-02-13

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PCT/KR2019/009020 Ceased WO2020032427A1 (fr) 2018-08-09 2019-07-22 Dispositif de moule pour fabriquer une palette ayant une structure hexagonale

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* Cited by examiner, † Cited by third party
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