WO2019167118A1 - Procédé de fabrication et moule de fabrication pour climatiseur - Google Patents

Procédé de fabrication et moule de fabrication pour climatiseur Download PDF

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Publication number
WO2019167118A1
WO2019167118A1 PCT/JP2018/007222 JP2018007222W WO2019167118A1 WO 2019167118 A1 WO2019167118 A1 WO 2019167118A1 JP 2018007222 W JP2018007222 W JP 2018007222W WO 2019167118 A1 WO2019167118 A1 WO 2019167118A1
Authority
WO
WIPO (PCT)
Prior art keywords
mold
drain hole
manufacturing
drain
drain pan
Prior art date
Application number
PCT/JP2018/007222
Other languages
English (en)
Japanese (ja)
Inventor
大舘　一夫
Original Assignee
日立ジョンソンコントロールズ空調株式会社
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 日立ジョンソンコントロールズ空調株式会社 filed Critical 日立ジョンソンコントロールズ空調株式会社
Priority to CN201880002856.9A priority Critical patent/CN110418925B/zh
Priority to PCT/JP2018/007222 priority patent/WO2019167118A1/fr
Priority to JP2018549593A priority patent/JP6441549B1/ja
Priority to TW108105769A priority patent/TWI679380B/zh
Publication of WO2019167118A1 publication Critical patent/WO2019167118A1/fr

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Classifications

    • 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
    • B29C33/00—Moulds or cores; Details thereof or accessories therefor
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
    • F24F13/20—Casings or covers
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
    • F24F13/22—Means for preventing condensation or evacuating condensate

Definitions

  • the present invention relates to an air conditioner manufacturing method and a manufacturing mold.
  • operation of an air conditioner is drained so that patent document 1 may be described.
  • the condensed water in the indoor unit is received by a drain pan and drained to the outside through a hose connected to the drain hole of the drain pan.
  • the drain pan is molded with resin using a resin mold.
  • JP 2017-227398 A (FIG. 3A, FIG. 3B, paragraph 0022, etc.)
  • the present invention was devised in view of the above circumstances, and an object thereof is to provide an air conditioner manufacturing method and a manufacturing mold that can perform drain pan molding with high reliability.
  • a method for manufacturing an air conditioner according to a first aspect of the present invention is an air conditioner including an indoor unit including a drain pan having a drain hole for discharging condensed water generated by cooling or dehumidifying operation.
  • a manufacturing method comprising a first mold and a second mold for forming the drain hole of the drain pan, and the first mold is moved when the first mold moves after the drain hole is formed. The first mold overlaps with a part of the mating portion between the first mold and the second mold.
  • a mold for manufacturing an air conditioner according to a second aspect of the present invention is a mold for manufacturing an air conditioner including an indoor unit including a drain pan having a drain hole for discharging condensed water generated by cooling or dehumidifying operation.
  • the first mold is configured to overlap with a part of the mating part of the mold.
  • FIG. 1 shows an indoor unit Ci and an outdoor unit Co of an air conditioner C according to an embodiment of the present invention.
  • the air conditioner C of the embodiment includes an indoor unit Ci and an outdoor unit Co.
  • a refrigeration cycle connected by a pipe 14 through which a refrigerant flows is configured inside the outdoor unit Co and the indoor unit Ci.
  • the indoor unit Ci is installed indoors and performs indoor air conditioning.
  • the outdoor unit Co is installed outdoors, and main mechanical elements of the refrigeration cycle are stored therein.
  • the interior of the outdoor unit Co is divided into a blower chamber Co1 and a machine chamber Co2 by a partition plate (not shown).
  • the outdoor heat exchanger 2 is stored on the front side
  • the outdoor fan 3 is stored on the back side.
  • the outdoor heat exchanger 2 is installed in a shape bent in an L shape when viewed from above on the left side and the rear side toward the inner and outer peripheral portions of the blower chamber Co1.
  • an outdoor fan 3 for sending air to the outdoor heat exchanger 2 from behind the outdoor unit Co (arrow ⁇ 10 in FIG. 1) is arranged.
  • the outdoor fan 3 is driven at the upper right of the outdoor unit Co.
  • An electrical component box 4 for controlling a fan motor, a compressor, and the like is provided.
  • FIG. 2 shows a schematic cross-sectional view of the indoor unit Ci.
  • FIG. 3 is a perspective view in which a part of the indoor unit Ci is cut out.
  • an indoor heat exchanger 5 is installed on the outer periphery, and an indoor fan 6 is installed in the center.
  • the indoor unit Ci includes a drain pan 7, a housing base 8, filters 9 a and 9 b, a front panel 10, a left and right wind direction plate 11, and an up and down wind direction plate 12.
  • the indoor heat exchanger 5 has a plurality of fins f and a plurality of heat transfer tubes g penetrating the fins f.
  • the indoor heat exchanger 5 includes a front indoor heat exchanger 5a and a rear indoor heat exchanger 5b.
  • the indoor heat exchanger 5 exchanges heat between the refrigerant flowing through the heat transfer tube g and the indoor air fed from the outside by the indoor fan 6 (arrow ⁇ 11 in FIG. 2).
  • the indoor fan 6 is a fan that sends room air into the indoor heat exchanger 5 by driving a fan motor, and is installed near the indoor heat exchanger 5.
  • the indoor fan 6 is, for example, a cylindrical cross flow fan.
  • the indoor fan 6 includes a plurality of fan blades 6a, a partition plate 6b on which the fan blades 6a are installed, and an indoor fan motor (not shown) as a drive source.
  • the drain pan 7 receives condensed water from the indoor heat exchanger 5, the pipe 14, and the like, and is disposed below the front indoor heat exchanger 5a.
  • the housing base 8 is a strength member on which devices such as the indoor heat exchanger 5 and the indoor fan 6 are installed.
  • the filter 9a is installed on the front side of the indoor heat exchanger 5, and removes dust from the air toward the front air suction port h1.
  • the filter 9b is installed on the upper side of the indoor heat exchanger 5, and removes dust from the air toward the upper air suction port h2.
  • the front panel 10 is a design panel that is installed so as to cover the filter 9a on the front side, and is turnable forward around a lower end axis (not shown).
  • the left and right wind direction plates 11 are members that adjust the flow in the left and right direction of the air blown into the room as the indoor fan 3 rotates.
  • the vertical wind direction plate 12 is a member that adjusts the vertical flow of air blown into the room as the indoor fan 3 rotates.
  • FIG. 4 shows a cross-sectional view around the drain hole 7 h of the drain pan 7.
  • the drain pan 7 is formed with a drain hole 7h which is a drain hole.
  • a drain pipe 13 is connected to the drain hole 7 h of the drain pan 7.
  • the drain piping 13 is comprised by the flexible hose and tube, for example, it is not limited to this.
  • the moisture received by the drain pan 7 is discharged to the outside through the drain pipe 13.
  • the refrigerant leaked from the indoor heat exchanger 5 and the pipe 14 is also guided into the drain pan 7.
  • the drain pan 7 is formed with, for example, four walls 7k so that the drain water received in the indoor heat exchanger 5 and the pipe 14 and the leaked refrigerant do not flow out of the indoor unit Ci. It has a bottomed dish shape with an opening above it.
  • the drain pan 7 is injection-molded using a resin.
  • the drain pan 7 is formed with a front support portion 7s1 and a side support portion 7s2 for supporting the drain pan 7 inside the indoor unit Ci so as to extend in the front lower side and the rear lower side, respectively.
  • FIG. 5A to FIG. 5C show cross-sectional views of the forming process of the drain pan 7.
  • the drain pan 7 is molded using a resin mold A mold 16, a B mold 17, and a C mold 18.
  • the A mold 16 forms the front lower part shape of the drain pan 7.
  • the A mold 16 is formed in a shape for molding the front support portion 7 s 1 and the side support portion 7 s 2 of the drain pan 7.
  • the B mold 17 molds the internal shape of the drain pan 7 and a part of the drain hole 7h. Therefore, the B mold 17 is formed with a drain pan internal shape portion 17a and a drain hole part forming convex portion 17b protruding rearward and downward from the drain pan internal shape portion 17a.
  • the drain hole part forming convex portion 17b moves through the abutting surface 7h1 of the B die 17 and the C die 18 when the B die 17 is removed after molding (arrow ⁇ 29 in FIG. 6).
  • the drain hole part forming convex part 17b may have a semi-cylindrical shape or any other shape as long as it partially protrudes into the drain hole 7h.
  • the C mold 18 molds the rear shape of the drain pan 7.
  • the C mold 18 has a shape that forms the rear shape of the drain pan 7, and a core pin 18p for molding the drain hole 7h of the discharge hole is fixed.
  • the core pin 18p is formed with a drain hole part forming concave part 18p1 that is in contact with the drain hole part forming convex part 17b of the B mold 17 and a B mold contact part 18p2 that is in contact with the B mold 17. ing.
  • the core pin 18p will be described as a part of the C die 18.
  • a part of the drain hole part forming protrusion 17b of the B mold 17 is configured to bite into the C mold 18 (core pin 18p).
  • the drain pan 7 is formed as follows.
  • the A mold 16, the B mold 17, and the C mold 18 are combined (arrow ⁇ 20 in FIG. 5A). Then, a cavity 7 ⁇ / b> C having the shape of the drain pan 7 is formed between the A mold 16, the B mold 17, and the C mold 18. Subsequently, as shown in FIG. 5B, resin is filled into a cavity 7 ⁇ / b> C between the A mold 16, the B mold 17, and the C mold 18 from a resin filling port (not shown).
  • the resin may enter between the butted surfaces 7h1 of the B mold 17 and the C mold 18, and the drain hole 7h may be blocked.
  • FIG. 6 shows an enlarged cross-sectional view of the vicinity of the drain hole 7h when the A mold 16, the B mold 17, and the C mold 18 are removed after injection molding at the time of molding failure of the drain pan 7.
  • the resin in which the drain hole part forming convex part 17b of the B mold 17 has entered the abutting surface 7h1 due to the movement of the B mold 17 after molding (arrow ⁇ 22 in FIG. 6). Can be broken through a part j1 (arrow ⁇ 29 in FIG. 6). Therefore, the drain hole 7h is fully closed and water leakage is suppressed.
  • FIG. 7A shows a state where the vicinity of the drain hole 7h of the drain pan 7 of the modified example is shown
  • FIG. 7B shows an A mold 26, a B mold 27, and a C mold after injection molding at the time of molding failure of the drain pan 7 of the modified example.
  • the expanded sectional view of the drain hole 7h vicinity at the time of removing 28 is shown.
  • a butted portion 27h1 between the B mold 27 and the C mold 28 is formed outside the drain hole 7h.
  • Other configurations are the same as those in the embodiment, and are denoted by reference numerals in the 20s.
  • a part of the drain hole part forming protrusion 27b of the B mold 27 is bitten into the C mold 28 (core pin 28p) outside the drain hole 7h of the drain pan 7.
  • the resin may enter between the butted surfaces 27h1 of the B mold 27 and the C mold 28, and the drain hole 7h may be blocked.
  • FIG. 7B when the A die 26, the B die 27, and the C die 28 are removed after the molding (arrows ⁇ 31, ⁇ 32, ⁇ 33 in FIG. 7B), the movement of the B die 27 (see FIG. 7B). 7A and the arrow ⁇ 32 in FIG. 7B, the drain hole partial formation convex portion 27b of the B mold 27 can break through the resin part j2 that has entered the abutting surface 27h1 (arrow ⁇ 32 in FIG. 7B).

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • General Engineering & Computer Science (AREA)
  • Devices For Blowing Cold Air, Devices For Blowing Warm Air, And Means For Preventing Water Condensation In Air Conditioning Units (AREA)
  • Moulds For Moulding Plastics Or The Like (AREA)
  • Duct Arrangements (AREA)

Abstract

La présente invention concerne un procédé de fabrication de climatiseur (C) qui comprend un condensateur intérieur (Ci) muni d'un bac de récupération (7) ayant un trou d'évacuation (7h) permettant d'évacuer l'eau condensée produite par un fonctionnement de refroidissement ou de déshumidification, ledit procédé entraînant l'utilisation d'un premier moule (17) et d'un second moule (18) destinés à former le trou d'évacuation (7h) du bac de récupération (7), le premier moule (17) se déplaçant après la formation du trou d'évacuation (7h), le premier moule (17) chevauchant une partie de la zone de butée du premier moule (17) et du second moule (18).
PCT/JP2018/007222 2018-02-27 2018-02-27 Procédé de fabrication et moule de fabrication pour climatiseur WO2019167118A1 (fr)

Priority Applications (4)

Application Number Priority Date Filing Date Title
CN201880002856.9A CN110418925B (zh) 2018-02-27 2018-02-27 空调机的制造方法及制造金属模具
PCT/JP2018/007222 WO2019167118A1 (fr) 2018-02-27 2018-02-27 Procédé de fabrication et moule de fabrication pour climatiseur
JP2018549593A JP6441549B1 (ja) 2018-02-27 2018-02-27 空気調和機の製造方法および製造金型
TW108105769A TWI679380B (zh) 2018-02-27 2019-02-21 空調機的製造方法以及製造模具

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/JP2018/007222 WO2019167118A1 (fr) 2018-02-27 2018-02-27 Procédé de fabrication et moule de fabrication pour climatiseur

Publications (1)

Publication Number Publication Date
WO2019167118A1 true WO2019167118A1 (fr) 2019-09-06

Family

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Application Number Title Priority Date Filing Date
PCT/JP2018/007222 WO2019167118A1 (fr) 2018-02-27 2018-02-27 Procédé de fabrication et moule de fabrication pour climatiseur

Country Status (4)

Country Link
JP (1) JP6441549B1 (fr)
CN (1) CN110418925B (fr)
TW (1) TWI679380B (fr)
WO (1) WO2019167118A1 (fr)

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5314964U (fr) * 1976-07-16 1978-02-07
JPS608014U (ja) * 1983-06-29 1985-01-21 カルソニックカンセイ株式会社 座板一体型ラジエ−タ用金型
JPH1134125A (ja) * 1997-07-17 1999-02-09 Toto Ltd 樹脂製品、及びその製造装置
JP2003137320A (ja) * 2001-10-31 2003-05-14 Daikin Ind Ltd ソケット・プラグおよびソケット
JP2004174714A (ja) * 2001-11-26 2004-06-24 Sumitomo Heavy Ind Ltd 樹脂成形方法、樹脂成形用金型、樹脂成形品及び樹脂成形機
JP2006300431A (ja) * 2005-04-21 2006-11-02 Mitsubishi Electric Corp 空気調和機の室内機用ドレンパン、空気調和機の室内機およびその製造方法
JP2008095993A (ja) * 2006-10-06 2008-04-24 Daikin Ind Ltd 空気調和装置の室内機およびその製造方法

Family Cites Families (8)

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US4740346A (en) * 1986-02-26 1988-04-26 The Budd Company Perimeter resin feeding of composite structures
JPS63214433A (ja) * 1987-03-03 1988-09-07 Matsushita Seiko Co Ltd Ｆｒｐ製ドレンパンの製造方法
JPH0620799B2 (ja) * 1987-07-15 1994-03-23 平河ヒューテック株式会社 射出成形装置
JPH1058490A (ja) * 1996-08-27 1998-03-03 Sakura Plast:Kk 射出成形用金型
CN202581745U (zh) * 2012-04-06 2012-12-05 海尔集团公司 窗式空调器的接水盘、窗式空调器
CN203704290U (zh) * 2013-11-07 2014-07-09 广东美的暖通设备有限公司 一种接水盘以及包含该接水盘的空调器
JP2017196764A (ja) * 2016-04-26 2017-11-02 豊田合成株式会社 発泡樹脂成形体の成形方法、成形型、及び発泡樹脂成形体
ITUA20163072A1 (it) * 2016-05-02 2017-11-02 Inglass Spa Procedimento ed apparecchiatura di stampaggio ad iniezione di materie plastiche

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5314964U (fr) * 1976-07-16 1978-02-07
JPS608014U (ja) * 1983-06-29 1985-01-21 カルソニックカンセイ株式会社 座板一体型ラジエ−タ用金型
JPH1134125A (ja) * 1997-07-17 1999-02-09 Toto Ltd 樹脂製品、及びその製造装置
JP2003137320A (ja) * 2001-10-31 2003-05-14 Daikin Ind Ltd ソケット・プラグおよびソケット
JP2004174714A (ja) * 2001-11-26 2004-06-24 Sumitomo Heavy Ind Ltd 樹脂成形方法、樹脂成形用金型、樹脂成形品及び樹脂成形機
JP2006300431A (ja) * 2005-04-21 2006-11-02 Mitsubishi Electric Corp 空気調和機の室内機用ドレンパン、空気調和機の室内機およびその製造方法
JP2008095993A (ja) * 2006-10-06 2008-04-24 Daikin Ind Ltd 空気調和装置の室内機およびその製造方法

Also Published As

Publication number Publication date
JPWO2019167118A1 (ja) 2020-04-09
TW201937119A (zh) 2019-09-16
CN110418925A (zh) 2019-11-05
JP6441549B1 (ja) 2018-12-19
TWI679380B (zh) 2019-12-11
CN110418925B (zh) 2021-07-20

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