WO2019151466A1 - Procédé de fabrication de boîtier - Google Patents

Procédé de fabrication de boîtier Download PDF

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Publication number
WO2019151466A1
WO2019151466A1 PCT/JP2019/003557 JP2019003557W WO2019151466A1 WO 2019151466 A1 WO2019151466 A1 WO 2019151466A1 JP 2019003557 W JP2019003557 W JP 2019003557W WO 2019151466 A1 WO2019151466 A1 WO 2019151466A1
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WO
WIPO (PCT)
Prior art keywords
mold
housing
component
casing
plate portions
Prior art date
Application number
PCT/JP2019/003557
Other languages
English (en)
Japanese (ja)
Inventor
治彦 丹
翔太 富永
Original Assignee
川崎重工業株式会社
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 川崎重工業株式会社 filed Critical 川崎重工業株式会社
Priority to US16/967,541 priority Critical patent/US20210213518A1/en
Priority to KR1020207025130A priority patent/KR102399498B1/ko
Priority to EP19748250.8A priority patent/EP3750650A4/fr
Priority to CN201980011320.8A priority patent/CN111683767B/zh
Publication of WO2019151466A1 publication Critical patent/WO2019151466A1/fr

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22C—FOUNDRY MOULDING
    • B22C9/00—Moulds or cores; Moulding processes
    • B22C9/22—Moulds for peculiarly-shaped castings
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
    • B22D17/00—Pressure die casting or injection die casting, i.e. casting in which the metal is forced into a mould under high pressure
    • B22D17/20—Accessories: Details
    • B22D17/22—Dies; Die plates; Die supports; Cooling equipment for dies; Accessories for loosening and ejecting castings from dies
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22C—FOUNDRY MOULDING
    • B22C9/00—Moulds or cores; Moulding processes
    • B22C9/06—Permanent moulds for shaped castings
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
    • B22D17/00—Pressure die casting or injection die casting, i.e. casting in which the metal is forced into a mould under high pressure
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
    • B22D21/00—Casting non-ferrous metals or metallic compounds so far as their metallurgical properties are of importance for the casting procedure; Selection of compositions therefor
    • B22D21/002—Castings of light metals
    • B22D21/007—Castings of light metals with low melting point, e.g. Al 659 degrees C, Mg 650 degrees C
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
    • B22D21/00—Casting non-ferrous metals or metallic compounds so far as their metallurgical properties are of importance for the casting procedure; Selection of compositions therefor
    • B22D21/02—Casting exceedingly oxidisable non-ferrous metals, e.g. in inert atmosphere
    • B22D21/04—Casting aluminium or magnesium

Definitions

  • the present invention relates to a housing manufacturing method for manufacturing a housing by die casting.
  • Patent Document 1 discloses that a housing that houses a control board is manufactured by die casting.
  • the casing is manufactured by die casting using aluminum.
  • Patent Document 1 a plurality of parts configured in a U-shape are manufactured by die casting, and a casing is manufactured by assembling the manufactured U-shaped parts.
  • the part is formed in a tapered shape so as to be removed from the mold, there is a possibility that a vertical relationship between adjacent side surfaces of the housing cannot be maintained.
  • a component has three surfaces and a U-shaped shape is formed by these three surfaces, there is a relationship in which adjacent surfaces intersect at right angles between the three surfaces of the component. There is a possibility that it cannot be maintained. Therefore, as a result of assembling and manufacturing the housing, there is a possibility that the relationship in which adjacent surfaces intersect at right angles cannot be maintained.
  • the housing for storing the control board is arranged not only with a wide surface being grounded but also with a narrow surface being grounded and changed in posture in consideration of the placement space. It is also possible. In such a case, when the vertical relationship is not maintained between the side surfaces adjacent to each other, it is conceivable that the casing is disposed in an inclined state. If the housing is tilted, it may fall down while the housing is installed, and the housing may be damaged due to the impact at this time.
  • the parts are formed in a tapered shape so that the parts can be removed from the mold, as a result of assembling the casing with the parts removed from the mold, the opposing inner surfaces of the casing are not parallel to each other.
  • the case where the space is narrow in a part of the body is considered. In that case, there is a possibility that the capacity that can be stored in the housing is reduced due to a narrow space inside the housing.
  • an object of the present invention is to provide a method for manufacturing a casing in which a vertical relationship is maintained between adjacent surfaces.
  • the manufacturing method of the housing of the present invention corresponds to the first part having the first plate and the second die corresponding to the first part having the two plate portions connected so that the angle formed by the main surface is 90 degrees.
  • the second part is formed by injecting molten metal into the internal cavity and molding the two main surfaces of the two plate portions with only one of the third mold and the fourth mold.
  • a second component forming step, the first component obtained in the first component forming step, and the second component A housing forming member assembling step for forming a housing forming member having three plate parts by assembling the second part obtained in the product forming step, and the housing forming member assembling step. A housing forming step of forming the housing using the housing forming member.
  • the first mold having the first mold and the second mold corresponding to the first part having the two plate portions connected so that the angle formed by the main surface is 90 degrees.
  • the first part is formed by injecting molten metal into the cavity inside and forming the first part by molding the two main surfaces of the two plate portions with only one of the first mold and the second mold.
  • the first part is formed in the process, and the second mold having the third mold and the fourth mold corresponds to the second part having two plate portions connected so that the angle formed by the main surface is 90 degrees.
  • the second part is formed by 2, the two connected to each other so that the angle formed by the main surface is 90 degrees. It can be the first component having a plate portion and forming a second component. Accordingly, a housing formed using these components is formed such that the angle formed by the main surfaces is 90 degrees between adjacent surfaces.
  • the respective cavities intersect the main surfaces of the two plate portions inside the first mold and the second mold, respectively.
  • the intersection line formed in this way may be formed at the lowest position.
  • the intersecting line formed by intersecting the main surfaces of the two plate portions inside the first mold and the second mold is the lowest position, the first mold and The first part and the second part can be smoothly removed from the second mold.
  • each cavity extends in the direction of one plate portion from the intersecting line inside each of the first mold and the second mold. May be provided such that the first part and the second part are formed in a posture inclined with respect to a horizontal plane.
  • the first component and the first part in a posture in which the direction in which one plate portion extends from the intersecting line formed by intersecting the outer surfaces of the two plate portions is inclined with respect to the horizontal plane. Since the second part is formed, the first part and the second part can be more smoothly removed from the first mold and the second mold.
  • the molten metal may be formed by melting aluminum.
  • the manufactured casing is formed by aluminum. Since the casing is made of aluminum, the heat generated inside the casing can be efficiently radiated to the outside.
  • the housing may be a controller housing that houses a control board.
  • the housing is a controller housing that houses the control board
  • the controller housing can be formed such that the outer surfaces are perpendicular to each other between adjacent outer surfaces. Become.
  • the control board may be a control board for controlling the robot.
  • the housing is a controller that houses a control board for controlling the robot
  • the controller housing that houses the control board for controlling the robot, an outer surface between adjacent outer surfaces It can be formed so that they are perpendicular to each other.
  • the housing manufacturing method of the present invention corresponds to the third part having the two plate parts connected so that the angle formed by the main surface is 90 degrees, and the third type having the fifth type and the sixth type.
  • the third Forming a housing having three plate parts by assembling two third parts by using two third parts obtained in the third part forming step for forming parts and the third part forming step.
  • the third part is formed by injecting molten metal into the cavity inside and forming the third part by molding the two main surfaces of the two plate portions with only one of the fifth mold and the sixth mold.
  • the third part is formed, and the two third parts are used to assemble the two third parts to form the housing forming member having three plate portions.
  • Two third parts having two plate portions connected to form 90 degrees can be formed. Therefore, the housing formed using the two third components is formed such that the angle formed by the main surfaces is 90 degrees on the adjacent surfaces.
  • the housing formed so that the angle formed by the main surface is 90 degrees on the adjacent surfaces is manufactured, the housing can be stably arranged even if the surface to be grounded is changed. It is possible to provide a housing that can be used.
  • FIG. 1 It is a perspective view of the housing
  • FIG. 1 It is a block diagram of a housing
  • (A)-(d) is the block diagram shown about each process at the time of the components which comprise the housing
  • FIG. 1 is a perspective view of a casing 100 manufactured by the casing manufacturing method according to the embodiment of the present invention.
  • the housing 100 has a rectangular parallelepiped shape. Therefore, the housing 100 is formed such that adjacent surfaces intersect at a right angle.
  • the casing 100 is configured as a casing of a robot controller that houses a control board of the robot and controls the robot.
  • FIG. 2 shows a configuration diagram in the case where the casing 100 of the present embodiment is used as a casing of a robot controller that controls the robot 60.
  • the casing 100 of the present embodiment houses therein a control board 80 for controlling the operation of the robot 60. Therefore, the housing 100 functions as a controller housing that houses the control board 80.
  • the robot 60 is used as a multi-axis industrial robot.
  • this embodiment demonstrates the form that the robot controlled by the control board accommodated in the housing
  • casing is an industrial robot
  • the robot controlled by the control board accommodated in the housing may be another type of robot.
  • the robot may be of any type as long as it is controlled by a control board inside the housing.
  • the control board accommodated in the housing does not have to be for controlling the robot.
  • a control board for controlling other than the robot may be accommodated inside the housing.
  • what is accommodated in the inside of the housing may not be a control board.
  • the present invention may be applied to a housing for housing something other than the control board.
  • the housing 100 is made of aluminum.
  • the housing 100 is made of aluminum with high heat dissipation.
  • the casing 100 having a rectangular parallelepiped shape is formed by using the casing forming member 10 having a U-shaped cross section.
  • FIG. 3 shows a perspective view of the two casing forming members 10 constituting the casing 100.
  • the casing forming member 10 has a surface that is located at the bottom of the casing 100 and is grounded.
  • the casing forming member 10 has a U-shaped cross section by vertically connecting three plate-like portions.
  • the casing forming member 10 having a U-shaped cross section is formed by assembling two L-shaped parts.
  • FIG. 4 shows a perspective view of the case forming member 10 in a state where the case forming member 10 is divided into two parts (first part and second part) 11 and 12.
  • the parts 11 and 12 are connected so that the angle formed between the main surfaces of the plate portions of the two plate-like portions is 90 degrees, so that the cross section is formed in an L shape.
  • the component 11 is connected so that the angle formed by the main surfaces of the two plate portions 11a and 11b is 90 degrees, so that the cross section is formed in an L shape. That is, the two plate portions 11a and 11b are connected so that the angle formed by the main surface is 90 degrees.
  • the main surfaces of the two plate portions 11a and 11b are the outer surfaces of the plate portions 11a and 11b.
  • the component 12 is connected so that the angle formed by the main surfaces of the two plate portions 12a and 12b is 90 degrees, so that the cross section is formed in an L shape. That is, the two plate portions 12a and 12b are connected so that the angle formed by the main surface is 90 degrees.
  • the main surfaces of the two plate portions 12a and 12b are the outer surfaces of the plate portions 12a and 12b.
  • a part 30 of the housing forming member 10 and having an L-shaped cross section 30 is formed by die casting.
  • the component 30 is configured such that the cross section is L-shaped by two orthogonal plate portions 30a and 30b.
  • FIG. 5 shows a sectional view of the mold 50 and the component 30 when the component 30 is formed by die casting.
  • the mold (first mold) 50 has an upper mold (first mold) 51 and a lower mold (second mold) 52.
  • the upper mold 51 and the lower mold 52 are configured to be relatively close to each other and away from each other.
  • a cavity 53 corresponding to the shape of the part 30 is formed between the upper mold 51 and the lower mold 52.
  • the cavity 53 is for forming the component 30 formed by two orthogonal plate portions 30a and 30b by die casting.
  • a molten metal in which aluminum is melted is pressed into the cavity 53. Thereafter, the molten metal is cooled in the cavity 53, and the molten metal is solidified there, so that the component 30 is formed. Therefore, as a result, the component 30 having a shape along the shape of the cavity 53 and formed of aluminum is formed.
  • the cavity 53 is formed in the mold 50 corresponding to the component 30, and has plate portion cavities 53a and 53b corresponding to two orthogonal plate portions 30a and 30b.
  • the cavity 53 is formed such that an intersection line 1 formed by intersecting main surfaces of the two plate portions 30a and 30b is disposed at the lowest position inside the mold 50. That is, the cavity 53 is formed so that the position corresponding to the intersection line 1 formed by intersecting the two plate portions is located at the lowest side in the mold 50. Further, the cavity 53 is formed so that the component 30 is formed in a posture in which the direction in which the one plate portion 30b extends from the intersection line l is inclined with respect to the horizontal plane.
  • the position corresponding to the intersecting line 1 formed by intersecting the two plate portions 30a and 30b is the lowest position. Further, in the cavity 53, the extending direction of the portion forming the plate portion 30b is formed to be inclined with respect to the horizontal plane from the intersection line l.
  • the component 30 is in a posture in which the extending direction of the plate portion 30b positioned on the lower side in the mold 50 is inclined with respect to the horizontal plane. It is formed.
  • the component 30 is formed in a posture in which the extending direction of the plate portion 30b is inclined at an angle ⁇ of 1 degree to 2 degrees with respect to the horizontal plane.
  • the part 30 is formed in a posture in which the extending direction of 30a is inclined with respect to the vertical direction.
  • the component 30 is formed in a posture in which the extending direction of the plate portion 30a is inclined at an angle ⁇ of 1 degree to 2 degrees with respect to the vertical direction.
  • the angle at which the plate portion 30b is inclined with respect to the horizontal plane and the angle ⁇ at which the extending direction of the plate portion 30a is inclined with respect to the vertical direction are preferably 1.5 degrees or more.
  • the angle at which the plate portion 30b is inclined with respect to the horizontal plane and the angle ⁇ at which the extending direction of the plate portion 30a is inclined with respect to the vertical direction are preferably 1 degree or more and 2 degrees or less.
  • FIG. 7 shows a flowchart of a flow when the casing 100 is manufactured by the manufacturing method of the casing 100 of the present embodiment.
  • the upper die 51 and the lower die 52 in the mold 50 are brought close to each other, and the upper die 51 and the lower die 52 are brought into contact with each other as shown in FIG. 6B.
  • a cavity 53 is formed between the upper mold 51 and the lower mold 52 when the upper mold 51 and the lower mold 52 come into contact with each other and the mold 50 is closed.
  • molten metal in which aluminum is heated and injected is injected into the cavity 53 formed to be inclined in the mold 50.
  • the molten metal is injected into the cavity 53 in a state where pressure is applied to the molten metal so that the molten metal spreads over every corner of the cavity 53.
  • the molten metal is pressed into the cavity 53 (S1).
  • the molten metal When the molten metal is pressed into the cavity 53 and the mold 50 is cooled, the molten metal is solidified inside the mold 50, so that the component 30 is formed in a shape corresponding to the cavity 53. Thereby, the component 30 having a desired shape is formed inside the cavity 53.
  • the upper mold 51 and the lower mold 52 in the mold 50 are separated (S2).
  • the component 30 formed between the upper mold 51 and the lower mold 52 is taken out from the cavity 53 as shown in FIG.
  • the component 30 is taken out from the cavity 53 with the component 30 attached to the upper mold 51.
  • the component 30 is removed from the cavity 53, the component 30 is removed from the upper mold 51, and the component 30 is removed from the mold 50 (S3).
  • the mold 50 is divided into an upper mold 51 and a lower mold 52, and the two outer surfaces (main surfaces) of the two plate portions 30a and 30b are made of the upper mold 51 and the lower mold 52.
  • the component 30 is formed by molding with only one mold. In the present embodiment, two outer surfaces (main surfaces) of the two plate portions 30a and 30b are formed by molding the lower mold 52.
  • the part 30 is manufactured by die casting.
  • a plurality of different types of parts 30 are formed by die casting, and one part 11 of the parts 30 is one of the parts 11 and 12 constituting the housing forming member 10 (first part). It functions as a component 11.
  • the mold for forming one component 11 functions as one mold (first mold) 50.
  • one part 11 of the parts 11 and 12 constituting the housing forming member 10 is formed by die casting (a first part forming step). When one component 11 is formed inside one mold 50, one component 11 is taken out from one mold 50 (S3).
  • the other part (second part) 12 among the parts 11 and 12 constituting the housing forming member 10 is formed.
  • the mold used to manufacture the one part 11 A mold (second mold) different from the first mold
  • the manufacturing process of the other part 12 uses the same manufacturing process as the manufacturing process of the one part 11. Accordingly, when the other component 12 is manufactured, it is manufactured by the manufacturing process shown in FIGS. 6 (a) to 6 (d).
  • FIG. 6A from the state where the upper mold (third mold) and the lower mold (fourth mold) of the other mold (second mold) are separated from each other, FIG. As shown in FIG. 2, the upper mold and the lower mold of the other mold come into contact with each other, and a cavity is formed between them.
  • the molten metal is press-fitted into the cavity formed inclined in the other mold. (S4).
  • the other mold is cooled there, and the other part is formed by solidifying the molten metal inside the other mold.
  • the other component (second component) is formed inside the cavity (second component forming step).
  • the upper mold and the lower mold in the other mold are separated from each other (S5).
  • the other part formed between the upper mold and the lower mold adheres to the upper mold and is taken out from the cavity.
  • the other part is removed from the cavity, the other part is removed from the upper mold, and the other part is removed from the other mold (S6).
  • the configuration in which the two parts 11 and 12 have different shapes from each other is described. Therefore, the shape of the cavity is different between one mold (first mold) for forming the component 11 and the other mold (second mold) for forming the component 12.
  • first mold first mold
  • second mold second mold
  • the present invention is not limited to the above embodiment.
  • the shape of the component 11 (first component) and the shape of the component 12 (second component) may be the same shape.
  • the mold for forming the part 11 and the mold for forming the part 12 may be common.
  • the housing Two parts constituting the forming member 10 may be formed. That is, the process of forming two common parts (third part) (third part forming process) is performed twice to form two common parts.
  • two parts (3rd parts) are manufactured with a common metal mold
  • the housing forming member 10 is formed by assembling the parts 11 and 12 (housing forming member assembling step). (S7).
  • the casing forming member 10 is assembled by fastening the two components 11 and 12 with screws.
  • the casing forming member 10 may be formed by using two common parts obtained there and assembling the two parts. At this time, the housing forming member 10 may be assembled by fastening two common parts with screws.
  • the casing forming member 10 is formed by fastening the two parts 11 and 12 to each other.
  • the plate portion 11b of the two plate portions 11a and 11b of the one component 11 and the plate portion 12a of the plate portions 12a and 12b of the other component 12 are connected to each other.
  • One plate portion 13 is formed. Therefore, as a result, the housing forming member 10 has three plate portions 11a, 13 and 12b.
  • the plate portion 11a and the plate portion 11b constituting the one part 11 are connected so that the angle formed by the main surface is 90 degrees
  • the plate portion 11a and the plate portion 13 are formed between the outer surfaces. They are connected so that the angle formed is 90 degrees.
  • the plate part 12a and the plate part 12b which comprise the other component 12 are connected so that the angle
  • the plate part 11a and the plate part 13 are outside. They are connected so that the angle between the faces is 90 degrees. Accordingly, the three plate portions 11a, 13, 12b constituting the housing forming member 10 are connected in a U shape so that the angle formed between the outer surfaces is 90 degrees.
  • the housing 100 is formed using the housing forming member 10 (housing forming step) (S8).
  • the housing 100 is formed by attaching another side surface to the U-shaped housing forming member 10 and attaching a surface positioned on the upper side of the housing 100.
  • the housing forming member 10 includes a surface F ⁇ b> 1 that is grounded and serves as a bottom surface, a surface F ⁇ b> 2 adjacent to the surface F ⁇ b> 1, and a surface (not shown) facing the surface F ⁇ b> 2. As above, it is integrally formed by die casting. Surfaces other than the surfaces facing the surface F1, the surface F2, and the surface F2 are attached to the housing forming member 10, and the housing 100 is formed.
  • the parts 11 and 12 obtained by die casting are assembled to form the casing forming member 10, and the casing forming member 10 is used to form the casing 100.
  • the present invention is not limited to the above-described embodiment, and the assembly between the parts may be performed by a method other than fastening with screws.
  • assembly between parts may be performed by other methods such as bonding with an adhesive.
  • the parts 11 and 12 are formed by die casting, and the case forming member 10 is formed by assembling the parts 11 and 12.
  • Each of the parts 11 and 12 into which the housing forming member 10 is divided is formed by die casting. Accordingly, when the parts 11 and 12 are manufactured by die casting, the parts 11 and 12 each having two plate portions are manufactured, so that the parts 11 and 12 are connected to each other by the L plate having the two plate portions connected to each other. It can be formed in a letter shape. In addition, since each of the parts 11 and 12 has two plate portions and is formed in an L shape, the relationship between the two plate portions is maintained such that the angle formed by the outer surfaces is 90 degrees. The parts 11 and 12 can be formed by being connected in the above state.
  • the plate portions 11a, 13, 12b are connected to each other so that the angle formed by the outer surfaces of the three plate portions 11a, 13, 12b constituting the housing forming member 10 is 90 degrees. Since the relationship that the angle between adjacent surfaces of the housing 100 is 90 degrees is maintained, the housing 100 can be placed in a stable state even if the grounding surface of the housing 100 is changed. it can. Even if the position of the casing 100 is changed according to the installation space of the casing 100, the casing 100 can be stably disposed, so that a small space for placing the casing 100 is free In addition, the housing 100 can be arranged by changing the posture according to the vacant space.
  • the housing 100 can be stably disposed while being arranged with the posture of the housing 100 changed according to the installation space. Thereby, the space for installation of the housing
  • the installation space of the casing 100 as a controller that houses the control board 80 may be limited depending on the location where the robot is installed. In such a case, it is required to change the posture according to the limited space and arrange the housing 100 so as to fit in the space.
  • the installation space has an elongated shape, it is conceivable to change the posture from the state of the case 100 shown in FIG. 1 and arrange the case 100 in the installation space. In the state shown in FIG. 1, the casing 100 is arranged with the surface F1 in contact with the ground, but it is conceivable to change the posture and place the surface F2 in contact with the ground.
  • the housing 100 when the housing 100 is arranged with the posture changed, when the installation space is long and narrow, the housing 100 can be arranged according to the long and thin installation space. Thereby, an installation space can be used efficiently.
  • the quality of the design surface of the housing 100 can be improved.
  • the mold 50 is divided into an upper mold 51 and a lower mold 52, and the two outer surfaces (main surfaces) of the two plate portions 30a and 30b are defined as the upper mold 51 and the lower mold.
  • the component 30 is formed by molding only one of the molds 52. Accordingly, the outer surface as the main surface of the plate portions 30a and 30b is formed by molding with one mold (lower mold 52). Accordingly, the outer surfaces of the plate portions 30a and 30b can be formed with high accuracy so that the angle formed by the outer surfaces as the main surfaces of the plate portions 30a and 30b is 90 degrees.
  • the component 30 is formed in an inclined posture inside the mold 50.
  • an intersection line 1 formed by intersecting the outer surfaces of the two plate portions 30a and 30b is disposed at the lowest position, and one plate portion 30b is formed from the intersection line l.
  • the cavity 53 is formed so that the part 30 is formed in a posture in which the extending direction of the tilt is inclined with respect to the horizontal plane. Therefore, the cavity 53 is formed in a convex shape toward the lower side inside the mold 50.
  • Each of the portions corresponding to the plate portions 30a and 30b in the cavity 53 is configured to have a draft angle.
  • the casing formed by assembling the parts 11 and 12 The orthogonal relationship between adjacent plate members in the forming member 10 is maintained. Therefore, when the casing 100 is assembled, the orthogonal relationship between the adjacent plate members in the casing 100 is maintained. At this time, the orthogonal relationship between the plate members constituting the housing forming member 10 in the housing 100 is maintained.
  • the space inside the housing can be used more efficiently.
  • the housing when a housing is used as a robot controller, the housing is likely to be relatively large. If the housing is small, even if the angle between adjacent surfaces of the housing is shifted from 90 degrees to form a draft from the mold, the effect is small, so the problem is Don't be. However, when the size of the housing is increased, even if the angle formed between adjacent surfaces is slightly deviated from 90 degrees, the effect due to that is increased. When the size of the housing is large, even if there is a slight deviation from the 90 degree angle between adjacent faces, the magnitude of the gradient caused by the deviation becomes large, and the ends of the opposing faces The difference in elevation between them becomes large.
  • the grounded surface of the housing is inclined, so that the housing arrangement may become unstable. Since the casing is arranged in an unstable state, the casing may fall down when there is contact or shaking while the casing is arranged.
  • the housing 100 can be arranged in a stable state.
  • the mold 50 is divided into an upper mold 51 and a lower mold 52, and two outer surfaces (main surfaces) of the two plate portions 30 a and 30 b are used as the upper mold 51 and the lower mold 52.
  • the component 30 is formed by molding with only one mold.
  • the mold 50 is divided into an upper mold 51 and a lower mold 52, and the angle between the outer surfaces as the main surfaces of the plate portions 30a and 30b is 90 degrees. Since the outer surface is formed with high accuracy, the intersecting parts can be formed with high accuracy so that the angle formed by the outer surfaces is 90 degrees by the mold 50 having a simple configuration. Since the configuration of the mold 50 can be simplified, the manufacturing cost of the housing 100 can be reduced.
  • the components 30 for forming the casing 100 are each formed of aluminum, and as a result, the casing 100 is formed of aluminum. Therefore, the housing 100 maintains a high heat dissipation performance.
  • the housing 100 accommodates a control board 80 for controlling the operation of the robot 60 and is configured as a robot controller. Therefore, large heat is generated from the control board 80.
  • the casing 100 is made of aluminum, the heat generated from the control board 80 is efficiently released to the outside of the casing 100. Therefore, the influence on the function of the control board 80 by heat can be suppressed to a small extent.
  • casing 100 is manufactured with aluminum, the housing
  • the part 30 formed of aluminum is manufactured by die casting. Therefore, a large number of parts 30 that are aluminum products can be manufactured at low cost by die casting.
  • the L-shaped component 30 is assembled to form the U-shaped casing forming member 10, and the box-shaped casing 100 is formed using the casing forming member 10.
  • the work of attaching the substrate and accessories can be performed in the space opened upward. Therefore, it is easy to perform the work of attaching the board and accessories to the housing 100, and the assembly including the work of attachment can be easily performed.
  • various processes are performed on the inner surface of the housing 100.
  • the housing 100 when the housing 100 is used as a robot controller, when the substrate is attached to the inside of the housing 100, the heat generated in the substrate is transmitted to the side surface of the housing 100 to transfer the heat to the housing 100 side.
  • a part of the side surface of the housing 100 is used as a heat sink.
  • a part on which the substrate is placed and a part that functions as a heat sink are formed on the inner side of the side surface of the housing 100, so that the inner shape of the side surface of the housing 100 may be complicated.
  • the machining of the inside portion of the side surface of the housing 100 may be performed by machining.
  • the blade of the cutting machine is placed in a space surrounded by a plate-like member, and the blade is placed on the inner surface of the plate-like member. It is necessary to bump into.
  • the member is formed in a U-shape, the space for inserting the blade is limited, and it may be difficult to put the blade in the space surrounded by the plate-like member.
  • the inner surface can be processed at the stage of the component 30.
  • the U-shaped housing forming member 10 is divided into L-shaped parts 30 in the middle of manufacturing the housing 100. Since the inner surface can be processed at the stage of the L-shaped component 30, the upper surface is opened and the inner surface of the component 30 can be processed without restricting the space. Therefore, it is possible to easily and accurately process the inner surface of the component 30.
  • the board and the accessories are attached to the component 30 at the stage of the L-shaped component 30, the back surface of the component 30 is grounded even when the accessory is attached to the inner side surface of the housing 100.
  • the attachment can be attached stably.
  • FIG. 8 is a side view showing the component 30 in each process when an accessory is attached to the component 30.
  • FIG. 8 a form in which two substrates, upper and lower, are attached to the component 30 as accessories will be described.
  • the board 70 disposed below is attached to the plate part 30b on the side to be grounded of the component 30.
  • substrate 70 is attached along the inner surface in the board part 30b. At this time, the substrate 70 can be stably attached to the plate portion 30b in a state where the outer surface of the plate portion 30b to be grounded is grounded.
  • the posture of the component 30 is changed and the grounded surface is changed as shown in FIG. 8B.
  • the plate portion 30b that is grounded when the substrate 70 is attached stands upright, and the plate portion 30a that stands upright when the substrate 70 is attached is grounded.
  • the substrate 71 attached to the upper side is attached to the plate portion 30a.
  • substrate 71 is attached along the direction where the board part 30b is extended from the side surface of the board part 30a. At this time, the substrate 71 can be stably attached to the plate portion 30a in a state where the outer surface of the plate portion 30a to be grounded is grounded.
  • the substrate 71 in order to attach the substrate 71 to the plate portion 30a, the substrate 71 is attached to the plate portion 30a via the support portion 72.
  • the substrate 71 is attached to the support portion 72, and the support portion 72 is attached to the plate portion 30a with a screw through a hole 73 formed in the support portion 72. Therefore, the support portion 72 can be attached to the plate portion 30a with a screw in a state where the screw is orthogonal to the plate portion 30a. Thereby, attachment to the board part 30a of the support part 72 can be performed in the stable state.
  • the accessory since the accessory is attached to the L-shaped component 30, the accessory can be attached to the plate portion 30b with the outer surface of the plate portion 30b grounded. Further, the accessory can be attached to the inner surface of the plate portion 30a in a state where the outer surface of the plate portion 30a is grounded. Therefore, the accessory can be attached to both of the two plate portions of the L-shaped component 30 in a stable state with the plate portions grounded. Therefore, attachment of accessories to the housing 100 can be easily performed. Further, the accessory can be securely attached to the housing 100, and the reliability of the housing 100 can be improved.
  • the molten metal is described as being formed by melting aluminum, but the present invention is not limited to the above embodiment.
  • the molten metal may be formed of a material other than aluminum. Other types of molten metal may be used as long as the casing can be formed of metal.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Casings For Electric Apparatus (AREA)
  • Molds, Cores, And Manufacturing Methods Thereof (AREA)

Abstract

L'invention concerne un procédé de fabrication d'un boîtier dans lequel une relation verticale est maintenue entre des surfaces adjacentes. Le procédé de fabrication d'un boîtier comprend : une étape de formation de première partie consistant à former une première partie par l'injection d'un métal fondu dans une cavité à l'intérieur d'une première matrice qui présente un premier moule et un deuxième moule et correspond à une première partie présentant deux parties plaques raccordées de sorte qu'un angle formé par les surfaces principales est de 90 degrés, et à mouler les deux surfaces principales des deux parties plaques avec un seul des premier et deuxième moules ; et une étape de formation de seconde partie consistant à former une seconde partie par l'injection d'un métal fondu dans une cavité à l'intérieur d'une seconde matrice qui présente un troisième moule et un quatrième moule et correspond à une seconde partie présentant deux parties plaques raccordées de sorte qu'un angle formé par les surfaces principales est de 90 degrés, et à mouler les deux surfaces principales des deux parties plaques avec un seul des troisième et quatrième moules.
PCT/JP2019/003557 2018-02-05 2019-02-01 Procédé de fabrication de boîtier WO2019151466A1 (fr)

Priority Applications (4)

Application Number Priority Date Filing Date Title
US16/967,541 US20210213518A1 (en) 2018-02-05 2019-02-01 Method of producing casing
KR1020207025130A KR102399498B1 (ko) 2018-02-05 2019-02-01 하우징의 제작 방법
EP19748250.8A EP3750650A4 (fr) 2018-02-05 2019-02-01 Procédé de fabrication de boîtier
CN201980011320.8A CN111683767B (zh) 2018-02-05 2019-02-01 壳体的制作方法

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2018-017798 2018-02-05
JP2018017798A JP7045872B2 (ja) 2018-02-05 2018-02-05 筐体の製作方法

Publications (1)

Publication Number Publication Date
WO2019151466A1 true WO2019151466A1 (fr) 2019-08-08

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PCT/JP2019/003557 WO2019151466A1 (fr) 2018-02-05 2019-02-01 Procédé de fabrication de boîtier

Country Status (7)

Country Link
US (1) US20210213518A1 (fr)
EP (1) EP3750650A4 (fr)
JP (1) JP7045872B2 (fr)
KR (1) KR102399498B1 (fr)
CN (1) CN111683767B (fr)
TW (1) TWI706818B (fr)
WO (1) WO2019151466A1 (fr)

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JPS614859U (ja) * 1984-06-13 1986-01-13 株式会社日立製作所 抜き匂配無し金型
JPH03264320A (ja) * 1990-03-15 1991-11-25 Olympus Optical Co Ltd 射出成形用金型
JPH0671778U (ja) * 1993-03-24 1994-10-07 ニッコー株式会社 ユニットルーム
JPH0890211A (ja) * 1994-09-13 1996-04-09 Nippondenso Co Ltd 電子機器用箱体、その製造方法およびその使用方法
JP2001357925A (ja) 2000-04-19 2001-12-26 Molex Inc 電気コネクタのアダプタフレーム組立体

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FR2734524B1 (fr) * 1995-05-23 1997-07-25 Faure Bertrand Equipements Sa Armature profilee pour siege d'automobile
JP2001113353A (ja) * 1999-10-15 2001-04-24 Fujitsu Kasei Kk マグネシウム合金用射出成形用型装置
JP3617958B2 (ja) * 2001-03-07 2005-02-09 株式会社東芝 表示装置用筐体
CN100467318C (zh) * 2003-12-11 2009-03-11 株洲时代集团公司 一种骨架拼板式电力机车用电器机柜箱体
FR2866194B1 (fr) * 2004-02-10 2006-03-24 Schneider Electric Ind Sas Couvercle de boite
DE102006006313B4 (de) * 2006-02-08 2008-05-21 Schunk Kohlenstofftechnik Gmbh Verfahren und Vorrichtung zur Herstellung eines mehrschichtigen Pressformkörpers
JP2007326114A (ja) * 2006-06-06 2007-12-20 Kyocera Chemical Corp 鋳造用金型装置及び鋳造物の製造方法
JP4491041B1 (ja) * 2009-05-11 2010-06-30 日本省力機械株式会社 樹脂製品製造システム及び製造方法
JP6785584B2 (ja) * 2016-06-15 2020-11-18 株式会社デンソーテン ダイカスト成形品
CN107404818B (zh) * 2017-07-24 2019-08-09 广东长盈精密技术有限公司 一种壳体、一种壳体制作方法及一种移动终端
CN107363227A (zh) * 2017-07-26 2017-11-21 江苏雷科德轨道交通科技有限公司 齿轮箱箱体铸件制作工艺

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Publication number Priority date Publication date Assignee Title
JPS614859U (ja) * 1984-06-13 1986-01-13 株式会社日立製作所 抜き匂配無し金型
JPH03264320A (ja) * 1990-03-15 1991-11-25 Olympus Optical Co Ltd 射出成形用金型
JPH0671778U (ja) * 1993-03-24 1994-10-07 ニッコー株式会社 ユニットルーム
JPH0890211A (ja) * 1994-09-13 1996-04-09 Nippondenso Co Ltd 電子機器用箱体、その製造方法およびその使用方法
JP2001357925A (ja) 2000-04-19 2001-12-26 Molex Inc 電気コネクタのアダプタフレーム組立体

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See also references of EP3750650A4

Also Published As

Publication number Publication date
CN111683767A (zh) 2020-09-18
EP3750650A4 (fr) 2021-06-23
TW201936293A (zh) 2019-09-16
JP2019135057A (ja) 2019-08-15
EP3750650A1 (fr) 2020-12-16
CN111683767B (zh) 2022-01-14
US20210213518A1 (en) 2021-07-15
JP7045872B2 (ja) 2022-04-01
TWI706818B (zh) 2020-10-11
KR20200111256A (ko) 2020-09-28
KR102399498B1 (ko) 2022-05-18

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