WO2022268072A1 - Procédé d'enroulement de tuyau d'évaporation et dispositif d'enroulement de tuyau d'évaporation - Google Patents

Procédé d'enroulement de tuyau d'évaporation et dispositif d'enroulement de tuyau d'évaporation Download PDF

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Publication number
WO2022268072A1
WO2022268072A1 PCT/CN2022/100118 CN2022100118W WO2022268072A1 WO 2022268072 A1 WO2022268072 A1 WO 2022268072A1 CN 2022100118 W CN2022100118 W CN 2022100118W WO 2022268072 A1 WO2022268072 A1 WO 2022268072A1
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WO
WIPO (PCT)
Prior art keywords
liner
evaporating tube
wound
evaporating
inner tank
Prior art date
Application number
PCT/CN2022/100118
Other languages
English (en)
Chinese (zh)
Inventor
刘航
徐磊
侯代民
Original Assignee
青岛海尔特种电冰柜有限公司
海尔智家股份有限公司
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 青岛海尔特种电冰柜有限公司, 海尔智家股份有限公司 filed Critical 青岛海尔特种电冰柜有限公司
Publication of WO2022268072A1 publication Critical patent/WO2022268072A1/fr

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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D11/00—Bending not restricted to forms of material mentioned in only one of groups B21D5/00, B21D7/00, B21D9/00; Bending not provided for in groups B21D5/00 - B21D9/00; Twisting
    • B21D11/06—Bending into helical or spiral form; Forming a succession of return bends, e.g. serpentine form
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D11/00—Bending not restricted to forms of material mentioned in only one of groups B21D5/00, B21D7/00, B21D9/00; Bending not provided for in groups B21D5/00 - B21D9/00; Twisting
    • B21D11/10—Bending specially adapted to produce specific articles, e.g. leaf springs
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D11/00—Bending not restricted to forms of material mentioned in only one of groups B21D5/00, B21D7/00, B21D9/00; Bending not provided for in groups B21D5/00 - B21D9/00; Twisting
    • B21D11/22—Auxiliary equipment, e.g. positioning devices
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D53/00—Making other particular articles
    • B21D53/02—Making other particular articles heat exchangers or parts thereof, e.g. radiators, condensers fins, headers
    • B21D53/06—Making other particular articles heat exchangers or parts thereof, e.g. radiators, condensers fins, headers of metal tubes
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H54/00—Winding, coiling, or depositing filamentary material
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H81/00—Methods, apparatus, or devices for covering or wrapping cores by winding webs, tapes, or filamentary material, not otherwise provided for

Definitions

  • the invention relates to the technical field of refrigeration equipment production, in particular to an evaporation tube winding method and evaporation tube winding equipment.
  • the main method of winding evaporation tubes in the industry is to set a predetermined mold on a rotatable workbench, and set the formed liner to the described On the mould; control the expansion of the mold to realize the top support of the liner, and then drive the mold and the liner to rotate through the driving mechanism to complete the winding of the evaporation tube; after the liner winding is completed, control the shrinkage of the mold to remove the liner.
  • the purpose of the present invention is to provide an evaporating tube winding method and evaporating tube winding equipment, which can reduce abnormalities such as flash seams and strangle marks, and improve product quality.
  • the present invention provides a winding method for evaporating tubes, which mainly includes:
  • the liner has several side walls connected in sequence;
  • the inner tank When the evaporation tube is wound to the middle area of the side wall, the inner tank is controlled to rotate at the first speed, and when the evaporation tube is wound to the connecting area of the adjacent side wall, the inner tank is controlled to rotate at the second speed.
  • the second rotational speed is smaller than the first rotational speed.
  • the evaporation tube winding method further includes detecting the real-time position of the liner during the liner winding process.
  • the first rotational speed is set at 16-18 rpm.
  • the second rotational speed is set at 12-15 revolutions per minute.
  • the evaporating tube winding method further includes pulling out an adhesive tape, the adhesive tape corresponds to the circumferential position of the evaporating tube to be wound, and in the winding step, the adhesive tape sticks and fixes the evaporating tube the outer surface of the liner.
  • the evaporating tube winding method also includes installing the mold on a rotatable workbench, confirming that the mold is in a contracted state, and then fitting the liner on the mold; After the "up” step is completed, the mold is controlled to change from the shrinking state to the stretching state, so that the mold is in contact with the inner surface of the liner.
  • the evaporation tube winding method further includes moving the mechanical arm to press the evaporation tube to be wound against the outer surface of the inner container.
  • the step of wrapping the liner further includes controlling the relative movement of the liner and the evaporation tube to be wound along the height direction, the height direction being perpendicular to the rotation direction of the liner.
  • the present invention also provides an evaporating tube winding device, which is used to wind the evaporating tube onto the inner tank, and the inner tank of the inner tank has several side walls connected in sequence;
  • the evaporating tube winding device includes a rotatable working table, a mechanical arm for pressing the evaporating tube to be wound against the outer surface of the inner tank, and a control system;
  • the worktable rotates at a second rotational speed, and the second rotational speed is lower than the first rotational speed.
  • the evaporating tube winding equipment also includes a detection device for detecting the real-time position of the inner tank.
  • the detection device includes a laser emitter and a laser receiver, the laser emitter is installed on the mechanical arm and used to emit a predetermined laser beam to the inner tank.
  • the first rotational speed is set at 16-18 rpm.
  • the second rotational speed is set at 12-15 revolutions per minute.
  • control system controls the inner liner and the evaporation tube to be wound to move relatively along the height direction, and the height direction is perpendicular to the rotation direction of the liner.
  • the height of the liner on the workbench is kept constant, and the evaporation tube to be wound and the mechanical arm are controlled to rise or fall at a predetermined speed during the winding process; the predetermined speed is a constant speed, Or speed up or down.
  • Beneficial effects of the present invention By adopting the evaporating tube winding method and evaporating tube winding equipment of the present invention, by optimizing the design of the gallbladder wrapping process in different areas of the inner tank, it is possible to better avoid flickering in the connection area of adjacent side walls, that is, at the corner position. Abnormal seams and strangle marks can be eliminated, production efficiency and product quality can be improved, and it is easy to implement on site.
  • Fig. 1 is the main flowchart schematic diagram of the evaporation tube winding method of the present invention
  • Fig. 2 is the schematic diagram of the gallbladder winding step of one of its preferred embodiments of evaporation tube winding method of the present invention
  • Fig. 3 is a schematic diagram of the state when the inner tank adopts the evaporating tube winding method of the present invention to wind the evaporating tube in the middle area;
  • Fig. 4 is a schematic diagram of the state of the liner adopting the evaporating tube winding method of the present invention when the evaporating tube in the connection area is wound.
  • the evaporating tube winding method and evaporating tube winding equipment provided by the invention are used in the production and processing of refrigeration equipment such as refrigerators and freezers.
  • the evaporating tube winding device includes a rotatable workbench, a mechanical arm 101 for pressing the evaporating tube to be wound against the outer surface of the inner tank 200, and a mechanical arm 101 for testing the inner tank 200. 200 of the real-time position detection device 102 .
  • the detection device 102 includes a laser transmitter and a laser receiver, the laser transmitter is installed on the mechanical arm 101 and used to emit a predetermined laser beam to the inner tank 200; the laser receiver The device is used to receive the laser beam reflected from the outer surface of the liner 200 . It should be noted that both the laser receiver and the excitation light emitter can be integrated in one place, or can be arranged independently of each other.
  • the evaporation tube winding method includes:
  • the liner 200 has several side walls 201 connected in sequence;
  • the inner tank 200 When the evaporation tube is wound to the middle area of the side wall 201, the inner tank 200 is controlled to rotate at the first speed, and when the evaporation tube is wound to the connecting area of the adjacent side wall 201, the inner tank 200 is controlled to rotate at the second speed rotating at a rotational speed, the second rotational speed being less than the first rotational speed.
  • the inner container 200 is rectangular, and has four sidewalls 201 that are successively connected to each other along the rotation direction, and the joints of two adjacent sidewalls 201 are usually provided with chamfers.
  • the middle area refers to the area where the side wall 201 is away from the front and rear edges in the direction of rotation;
  • the connection area refers to the area where the side wall 201 is close to another adjacent side wall 201, that is, the corner area ( Refer to the dotted circle box in Figure 3).
  • the contact effect and support strength of the mold to the connection area are poor; and the evaporation tube is bent and deformed in the connection area, which squeezes the inner tank 200 more severely, which leads to the above connection
  • the area is more vulnerable to damage during the gallbladder wrapping process.
  • the evaporating tube winding method of the present invention is the research and improvement of the gallbladder wrapping process in the connecting area.
  • the inner pot 200 can effectively reduce the occurrence of strangulation marks and flash seams at the corners. And so on.
  • the workbench is usually arranged horizontally and rotates at a predetermined speed driven by the driving source.
  • the workbench can be understood as a base for installing the mold; the mold is fixed on the worktable along the height direction. on the platform; said "fitting the liner 200 on the mold” refers to putting the liner 200 on the mold with the opening in the height direction downward, and the liner 200 and the mold are all connected with the workbench. Synchronized rotation.
  • the mold includes at least two support modules and a driving mechanism that drives the support modules to move. When at least two support modules are close to each other, the mold is in a contracted state; when at least two support modules are far away from each other, the mold is in a stretched state. rising state. When the mold is in an expanded state, at least two supporting modules support at least a part of the inner surface of the liner 200 .
  • the support modules can also be set to four, and the four support modules move simultaneously under the drive of the driving mechanism to realize the switch between the shrinking state and the stretching state of the mold. At this time, the mold can realize the inner tank
  • the side walls 201 of the 200 are better supported, but the stretching strokes of the mold in different directions are difficult to adjust.
  • the mold can support the two sets of sidewalls 201 in the liner 200 facing each other in different directions, that is to say, the expansion strokes of the mold in different directions can be adjusted according to actual needs.
  • the expansion strokes of the mold in different directions can be adjusted according to actual needs.
  • a pressure sensor can be provided on at least one of the supporting modules of the mold, so as to sense the supporting force of the liner 200 in real time.
  • the "controlling the transformation of the mold from the contraction state to the expansion state” specifically includes comparing the real-time pressure fed back by the pressure sensor with a predetermined pressure threshold. rising state.
  • the probability of gallbladder abnormality in the connection area is directly related to the rotation speed of the inner tank 200, the faster the rotation speed, the greater the risk of abnormality.
  • the rotation speed when wrapping the connecting area is reduced, and considering the overall process duration of the bile wrapping process the first rotation speed is preferably set to 16-18 rpm; the second rotation speed is preferably set to 12 ⁇ 15 revolutions/min.
  • the evaporation tube winding method further includes moving the mechanical arm 101 to press the evaporation tube to be wound against the outer surface of the inner container 200 .
  • the end of the mechanical arm 101 is usually provided with a pressure wheel for pressing the evaporating tube.
  • the pressure of the pressure wheel makes the evaporating tube fit better on the inner tank 200.
  • the pressure wheel can also To a certain extent, the evaporation tube is limited in the height direction.
  • the evaporating tube winding method also includes pulling the tape, sticking the free end of the tape on the inner tank 200 and located at the rear side of the evaporating tube along the direction of rotation, and the tape is connected with the evaporating tube to be wound.
  • the tubes are positioned correspondingly along the circumferential direction. In the gall wrapping step, the evaporating tube is first wound close to the outer surface of the inner tank 200 , and then the adhesive tape is used to paste and fix the evaporating tube on the inner tank 200 .
  • the evaporation tube winding method also includes detecting the real-time position of the inner container 200 during the inner container winding process. That is to say, during the wrapping process, the real-time position of the liner 200 is detected, and then the rotation speed of the liner 200 is controlled and adjusted according to the real-time position information of the liner 200 .
  • the laser transmitter on the mechanical arm 101 emits a laser beam to the inner tank 200, and when the inner tank 200 rotates until the middle area of its side wall 201 corresponds to the mechanical arm 101, the The laser receiver can receive the laser beam reflected from the outer surface of the inner tank 200, and judge that the evaporation tube is wound to the middle area of the side wall 201; , the laser beam is irradiated on the other adjacent side wall 201 of the liner 200 , the laser receiver cannot receive the corresponding reflection signal, and it is judged that the evaporation tube is wound to the connection area of the adjacent side wall 201 .
  • the extension lengths of the middle area and the connecting area along the rotation direction can be adjusted and determined according to the specifications of the liner 200 , the support performance of the mould, and the like.
  • the workbench can be rotated according to the aforementioned processing procedure, so that when the middle area of the side wall 201 is wrapping gallbladder, the workbench rotates at a first rotational speed, and makes the adjacent sidewalls 201 When the connecting area of 201 is wrapped, the worktable rotates at the second speed.
  • the step of wrapping the liner also includes controlling the relative movement of the liner 200 and the evaporation tube to be wound along the height direction, the height direction being perpendicular to the rotation direction of the liner.
  • the height of the workbench, that is, the liner 200 is usually kept constant, and the evaporation tube to be wrapped and the mechanical arm are controlled to rise or fall at a predetermined speed during the liner wrapping process.
  • the above-mentioned evaporating tubes and mechanical arms to be wound can not only be lifted and lowered at a constant speed, but also can be designed according to the design requirements of the product through the change of the lifting speed to realize the different degrees of winding density of the evaporating tubes in different areas of the inner tank 200 .
  • the evaporating tube winding method and evaporating tube winding equipment of the present invention can better avoid flickering in the connection area of the adjacent side wall 201, that is, at the corner, by optimizing the design of the liner winding process in different areas of the inner liner 201.
  • Abnormal seams and strangle marks can be eliminated, production efficiency and product quality can be improved, and it is easy to implement on site.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Lining Or Joining Of Plastics Or The Like (AREA)
  • Moulding By Coating Moulds (AREA)

Abstract

Procédé d'enroulement de tuyau d'évaporation, comprenant les étapes suivantes consistant : à manchonner un chemisage (200) sur un moule ; à fixer une extrémité libre d'un tuyau d'évaporation sur une position définie du chemisage ; et à enrouler le chemisage. Lorsque le tuyau d'évaporation est enroulé sur une région centrale d'une paroi latérale (201), le chemisage est commandé pour tourner à une première vitesse de rotation ; et lorsque le tuyau d'évaporation est enroulé sur une région de liaison de parois latérales adjacentes, le chemisage est commandé pour tourner à une seconde vitesse de rotation qui est inférieure à la première vitesse de rotation. Un dispositif d'enroulement de tuyau d'évaporation utilisant le procédé est en outre divulgué. Selon le procédé d'enroulement de tuyau d'évaporation, la conception du processus d'enroulement de chemisage est optimisée et peut empêcher la formation d'espaces anormaux et de marques de serrage dans la région de liaison des parois latérales adjacentes, ce qui permet d'améliorer l'efficacité de production et la qualité du produit.
PCT/CN2022/100118 2021-06-22 2022-06-21 Procédé d'enroulement de tuyau d'évaporation et dispositif d'enroulement de tuyau d'évaporation WO2022268072A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN202110692958.1A CN115502261A (zh) 2021-06-22 2021-06-22 蒸发管缠绕方法与蒸发管缠绕设备
CN202110692958.1 2021-06-22

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WO2022268072A1 true WO2022268072A1 (fr) 2022-12-29

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WO (1) WO2022268072A1 (fr)

Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA1039035A (fr) * 1975-05-07 1978-09-26 Aktiebolaget Atomenergi Methode d'enroulement des tubes chevauchants d'un echangeur de chaleur
US4139932A (en) * 1975-10-18 1979-02-20 Benteler-Werke Ag Method for winding and forming of cooling coils
US4155158A (en) * 1976-11-19 1979-05-22 Technip Apparatus for winding tubes around a core
FR2493193A2 (fr) * 1980-10-31 1982-05-07 Vaissiere Pierre Procede d'enroulement d'un tube en spirale simple et machine pour la mise en oeuvre dudit procede
JPS61222636A (ja) * 1985-03-29 1986-10-03 Hitachi Ltd ハンプソン式熱交換器のチユ−ブ巻付装置
US5099574A (en) * 1990-11-29 1992-03-31 Peerless Of America, Incorporated Method of making a heat exchanger assembly with wrapped tubing
CN2614095Y (zh) * 2003-04-16 2004-05-05 广州粤研液压机电有限公司 冰箱、冷柜内胆蒸发管自动缠胆机
CN102350469A (zh) * 2011-08-28 2012-02-15 贵州航天新力铸锻有限责任公司 螺旋式冷却管的绕制方法
CN203991815U (zh) * 2014-06-27 2014-12-10 江苏天舒电器有限公司 一种冷凝器盘管的绕管机
CN106395512A (zh) * 2016-05-25 2017-02-15 建湖恒华机电有限公司 一种电冰箱蒸发器自动缠胆机械

Patent Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA1039035A (fr) * 1975-05-07 1978-09-26 Aktiebolaget Atomenergi Methode d'enroulement des tubes chevauchants d'un echangeur de chaleur
US4139932A (en) * 1975-10-18 1979-02-20 Benteler-Werke Ag Method for winding and forming of cooling coils
US4155158A (en) * 1976-11-19 1979-05-22 Technip Apparatus for winding tubes around a core
FR2493193A2 (fr) * 1980-10-31 1982-05-07 Vaissiere Pierre Procede d'enroulement d'un tube en spirale simple et machine pour la mise en oeuvre dudit procede
JPS61222636A (ja) * 1985-03-29 1986-10-03 Hitachi Ltd ハンプソン式熱交換器のチユ−ブ巻付装置
US5099574A (en) * 1990-11-29 1992-03-31 Peerless Of America, Incorporated Method of making a heat exchanger assembly with wrapped tubing
CN2614095Y (zh) * 2003-04-16 2004-05-05 广州粤研液压机电有限公司 冰箱、冷柜内胆蒸发管自动缠胆机
CN102350469A (zh) * 2011-08-28 2012-02-15 贵州航天新力铸锻有限责任公司 螺旋式冷却管的绕制方法
CN203991815U (zh) * 2014-06-27 2014-12-10 江苏天舒电器有限公司 一种冷凝器盘管的绕管机
CN106395512A (zh) * 2016-05-25 2017-02-15 建湖恒华机电有限公司 一种电冰箱蒸发器自动缠胆机械

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