WO2020140878A1 - Équipement de production automatique de bande de chant de partie centrale à récupération de chaleur - Google Patents

Équipement de production automatique de bande de chant de partie centrale à récupération de chaleur Download PDF

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Publication number
WO2020140878A1
WO2020140878A1 PCT/CN2019/130051 CN2019130051W WO2020140878A1 WO 2020140878 A1 WO2020140878 A1 WO 2020140878A1 CN 2019130051 W CN2019130051 W CN 2019130051W WO 2020140878 A1 WO2020140878 A1 WO 2020140878A1
Authority
WO
WIPO (PCT)
Prior art keywords
strip
heat recovery
recovery core
punching
cutting machine
Prior art date
Application number
PCT/CN2019/130051
Other languages
English (en)
Chinese (zh)
Inventor
余宝昌
余鹏飞
Original Assignee
南京亘丰科技有限公司
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 南京亘丰科技有限公司 filed Critical 南京亘丰科技有限公司
Publication of WO2020140878A1 publication Critical patent/WO2020140878A1/fr

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Classifications

    • 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
    • B21D35/00—Combined processes according to or processes combined with methods covered by groups B21D1/00 - B21D31/00
    • 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

Definitions

  • the invention relates to a cold bending press type machine for automatically producing heat exchange equipment parts, in particular to an automatic production device for heat recovery core body side strips.
  • the AC full heat exchange device also known as the air duct type fresh air ventilator, has the advantages of compact structure and low power consumption. It is often used in ceiling type fresh air systems. Its internal plate heat recovery core is installed in the dirty air channel and fresh air channel. Heat energy exchange between the gases in the. As its core component, its heat recovery core has a cubic structure with equal cross-sections, and cross heat exchange channels are formed inside.
  • the working principle of the heat recovery core is shown in Figure 1.
  • the core 1 is a moisture-permeable but heat-impermeable wet heat exchangeable paper material, such as fiber paper base material, etc., as the separator 2, and the separator 2 is provided with A plurality of wave-shaped plates 4 of the airflow inlet 3, and these wave-shaped plates 4 are staggered and cross-arranged on the indoor side I and the outdoor side II, thereby forming an unconnected indoor exhaust passage EE and outdoor intake passage in the core 1 FF, to ensure that the two streams will not mix together.
  • the whole heat exchange process is that when the two airflows of the exhaust and the intake air are guided by the fan to perform indoor and outdoor air exchange through the heat recovery core 1, the two airflows transfer heat when they pass through due to the temperature difference, and at the same time Since the separator 2 is permeable to water vapor, it also achieves the effect of moisture mass transfer, so that the temperature and humidity are exchanged between the two air streams of the exhaust gas and the intake air, and the energy saving and sewage effects are achieved.
  • the applicant has filed a patent application for the diamond-shaped heat recovery core with the application number 201822264979X.
  • the structure of the heat recovery core as shown in FIG. 2 is used to design a frame for the core.
  • the frame is composed of the end cover 5 and the edge strip 6. Due to the increasing demand for thin heat exchangers in recent years, the manufacture of heat recovery cores also needs to increase efficiency and increase speed, and mass production should be automated.
  • the inventor is actively engaged in research and innovation based on years of rich practical experience and professional knowledge in the design and manufacture of such products, and the application of academic principles. After continuous research and design, and after repeated trial-making of samples and improvements, the invention with practical value was finally created.
  • the present invention provides an automatic mass production heat recovery core body edge manufacturing equipment and corresponding manufacturing method.
  • the heat recovery core body edge strip automatic production equipment includes a strip uncoiler, a punching and cornering machine, a roller press and a corner cutting machine arranged in sequence;
  • the punching and corner cutting machine punches round holes and rectangular notches on the strip steel, the round holes are used as mounting holes at the ends of the edge strips of the heat recovery core, and the rectangular notches are used as bending spaces;
  • the roller press uses progressive rollers to cold bend the punched and angled strip into a frame profile along the center axis of the strip.
  • the frame profile has two adjacent flanges, and the angle between adjacent flanges is 60° ⁇ 120°;
  • the angle-cutting machine cuts the frame profile from adjacent sides of the rectangular notch, and at the same time bends both sides of the incision to be perpendicular to the mounting end of the frame profile.
  • the punching and corner cutting machine has a rectangular punch punching a rectangular notch, two circular punch punching a circular hole, the circular punch and the rectangular punch are linked, and a cylinder or a hydraulic cylinder is used In one reciprocating motion, two round holes are simultaneously cut on one side of the strip center line, and a rectangular notch is cut on the other side of the center line.
  • the angle-cutting machine has a punching die that reciprocates, the punching die has a flat punch, and platens are arranged on both sides of the flat punch.
  • a servo feeding mechanism is provided in front of the punching and corner cutting machine, and the servo feeding mechanism is connected to the control device of the angle cutting machine.
  • rollers are arranged in sequence on the roller press, and the end angle of the rollers transitions from 180° to the target angle along the rolling direction.
  • the rolling target angles are 105° and 75°.
  • the first half of the roll will roll the strip to 105°
  • the second half of the adjustable roll will roll the 105° frame to 75° in the pressed state.
  • the adjustable rear half of the roller realizes the output of two different angle frames on the same roller press, and the two form the adjacent side strips of the diamond-shaped heat recovery core.
  • the present invention also provides a method for manufacturing a heat recovery core edge strip using the above-mentioned rolling production line, and a strip decoiler, a punching and cornering machine, a roll press, and a corner cutting machine arranged in sequence are used to manufacture the edge strip.
  • a strip decoiler, a punching and cornering machine, a roll press, and a corner cutting machine arranged in sequence are used to manufacture the edge strip.
  • the rolling of the present invention can not only produce the edge strips of the core body with a square cross section, but also suitable for the edge strips of the core body of various other shapes such as rhombus and hexagon.
  • the direct use of strip steel is only cold bending, and the punching amount is very small
  • the utilization rate of raw materials is extremely high.
  • the structure is designed to meet the practical requirements of the air duct type fresh air ventilator, and the end cover provides a protective shell of the cage structure for the heat recovery core, which directly cooperates with the guide rail in the ventilator.
  • the shell only needs the end cover and the side
  • Figure 1 is a schematic diagram of heat transfer of an existing heat recovery core
  • FIG. 2 is a schematic structural view of a heat recovery core edge strip made by the present invention.
  • FIG. 3 is a schematic diagram of applying the edge strip of FIG. 2 to assemble a heat recovery core
  • FIG. 4 is a schematic structural diagram of an automatic production device for a heat recovery core body edge strip according to an embodiment of the present invention
  • Figure 5 is a top view of Figure 4.
  • FIG. 6 is a schematic structural view of the strip decoiler of FIG. 4;
  • FIG. 7 is a schematic structural view of the punching and corner cutting machine in FIG. 4;
  • Figure 8 is a shape diagram of the strip steel processed by the punching and corner cutting machine
  • FIG. 9 is a schematic diagram of the structure of the roller press in FIG. 5;
  • FIG. 10 is a schematic structural view of the angle-cutting machine in FIG. 5;
  • the automatic heat recovery core body edge strip production equipment of this embodiment includes a strip uncoiler 7, a punching and cornering machine 8, a roll press 9 and a corner cutter 10 that are arranged in this order.
  • the present invention provides a brand-new structural form, ideas and methods for the manufacture of heat recovery core strips. There are many methods and ways to achieve this technical solution.
  • the above are only exemplary preferred embodiments and cannot be understood as To limit the present invention, those of ordinary skill in the art can make changes, modifications, replacements, and variations to the above-described embodiments within the scope of the present invention without departing from the principle and purpose of the present invention.
  • the strip uncoiler 7 is used to install a coiled steel strip and is driven by a servo motor to realize automatic feeding.
  • a servo feed mechanism 81 is arranged at the front end of the punching and corner cutting machine 8, and a reciprocating mechanism 82 and a mold 83 are arranged at the rear section.
  • a reciprocating mechanism 82 and a mold 83 are linked with the punch servo to control the end of the edge strip at the belt Production location on steel.
  • the punch for punching the round hole and the rectangular notch on the die 83 is connected together, and the reciprocating mechanism 82 uses an air cylinder or a hydraulic cylinder to simultaneously cut out two round holes with steel and a rectangular notch in one stroke.
  • the circular mounting hole 73 and the rectangular notch 72 are punched out of the punching and cornering machine strip steel 71.
  • the circular hole mounting hole 73 is used for riveting to the four corners of the heat recovery core body end cover, rectangular
  • the gap serves as a margin for bending space and cutting.
  • the roller press 9 uses progressive rollers to cold bend the strip into a frame profile along the strip central axis; the end face of the roller on the roller press gradually transitions from 180° to the target angle, which can be 60° ⁇ 120°.
  • the angle-cutting machine 10 also uses a reciprocating angle-cutting integrated die, which includes a plane punch in the middle and pressure plates on both sides, and cuts the frame profile from the middle on the adjacent side of the rectangular notch, while Bend the parts with round holes on both sides of the cut to form the ends perpendicular to the frame profile.
  • the two mounting ends of the edge strip are cut out from the frame profile by twice punching to make a heat recovery core edge strip.
  • the length of the rectangular notch is the width of the two ends plus the cut-off amount at the time of cutting.
  • the width is the width of one side of the profile, and the width of the two sides of the frame profile is equal, that is, 1/2 strip width.
  • the obtained side strip is shown in FIG. 2 and the application in the heat recovery core is shown in FIG. 3.
  • the cage is composed of two upper and lower square end caps 5 and four side strips 6, and the square cross-section core 1 is embedded and installed in Inside the cage.
  • the end cover 5 has bent edges formed around it.
  • the side bar 6 is formed by connecting two sides with an angle between the two sides, which is a long bar structure, and its end has a bending-shaped mounting part, which is connected to the end cover 5
  • the four corners are fixed with rivets.
  • the installation method of the heat recovery core in the fresh air system can adopt the technical scheme as disclosed in CN 106322630 A, and use the edge strips of the heat exchange core to cooperate with the structural parts of the fresh air system.
  • the heat recovery core can achieve full heat recovery and has the characteristics of high recovery efficiency, it is currently widely used in the field of fresh air heat recovery in central air conditioning.
  • This product is composed of air flow in the x-axis direction and another layer of air flow in the y-axis direction In the middle of the airflow flowing on both sides, there is a layer of heat and moisture transfer media that has been specially treated to isolate it, which can realize the transfer of temperature and humidity, and isolate the exchange of gas on both sides.
  • first and second are used for description purposes only, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated.
  • the features defined as “first” and “second” may explicitly or implicitly include one or more of the features.
  • the meaning of “plurality” is two or more, unless otherwise specifically limited.
  • the terms “installation”, “connected”, “connected”, “fixed” and other terms should be understood in a broad sense, for example, it can be a fixed connection or a detachable connection , Or integrally connected; either mechanically or electrically; directly connected, or indirectly connected through an intermediary, or internally connected between two components.
  • installation can be a fixed connection or a detachable connection , Or integrally connected; either mechanically or electrically; directly connected, or indirectly connected through an intermediary, or internally connected between two components.
  • the invention directly uses the strip steel to cold-bend and press the heat recovery core body edge strips, the utilization rate of the raw materials is extremely high, and can roll different angles, and use the same set of equipment to produce different shape heat recovery core body edge strips, which is in line with lean production The concept of improving the competitiveness of products.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)
  • Bending Of Plates, Rods, And Pipes (AREA)

Abstract

L'invention concerne un équipement de production automatique de bande de chant de partie centrale à récupération de chaleur, comprenant un dérouleur (7) de bande d'acier, une machine (8) de poinçonnage de trou et de découpe de coin, une presse à rouleaux (9) et une machine de pliage et de découpe (10), disposés consécutivement. La machine de poinçonnage de trou et de découpe de coin poinçonne un trou de montage rond (73) et une encoche rectangulaire (72) dans une bande d'acier, le trou de montage rond servant de trou de montage pour une partie extrémité d'une bande de chant de partie centrale à récupération de chaleur, et l'encoche rectangulaire servant d'espace de pliage ; la presse à rouleaux utilisant un laminage progressif le long d'une ligne d'axe central de la bande d'acier pour cintrer à froid la bande d'acier après le poinçonnage de trou et la découpe de coin afin de former un matériau de cadre de chant, le matériau de cadre de chant comportant deux chants pliés adjacents, un angle d'ouverture des chants pliés adjacents allant de 60° à 120° ; la machine de pliage et de découpe coupant le matériau de cadre de chant à partir des chants adjacents d'une encoche rectangulaire, et pliant simultanément deux côtés d'une ouverture découpée afin de former une extrémité de montage perpendiculaire au matériau en forme de L. L'équipement de production automatique de bande de chant de partie centrale à récupération de chaleur utilise directement le cintrage à froid et le pressage d'une bande d'acier destinés à former une bande de chant de partie centrale à récupération de chaleur ; l'utilisation de matière première est très élevée, et elle peut être roulée selon différents angles, à l'aide du même ensemble d'équipements afin de produire des bandes de chant de partie centrale à récupération de chaleur de différentes formes, répondant à l'idée de production au plus juste et améliorant la compétitivité du produit.
PCT/CN2019/130051 2018-12-31 2019-12-30 Équipement de production automatique de bande de chant de partie centrale à récupération de chaleur WO2020140878A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN201811652467.9 2018-12-31
CN201811652467.9A CN109821976B (zh) 2018-12-31 2018-12-31 热回收芯体边条自动生产设备

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WO2020140878A1 true WO2020140878A1 (fr) 2020-07-09

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WO (1) WO2020140878A1 (fr)

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109848321B (zh) * 2018-12-31 2020-01-21 南京远光环保科技有限公司 热回收芯体边条辊压生产线及其生产方法
CN109821976B (zh) * 2018-12-31 2020-01-03 南京亘丰科技有限公司 热回收芯体边条自动生产设备

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Publication number Priority date Publication date Assignee Title
CN101422803A (zh) * 2007-10-31 2009-05-06 若林企业股份有限公司 金属框架制造方法
KR20110027006A (ko) * 2009-09-09 2011-03-16 주식회사 미륭산업 롤 성형을 이용한 일체형 배수 트렌치의 제조방법 및 그 배수 트렌치
CN102989868A (zh) * 2012-11-12 2013-03-27 上海昊明机械有限公司 在线冲孔冷弯成型切断生产线工艺的实现方法
CN203390052U (zh) * 2013-08-20 2014-01-15 潍坊奥腾冷弯机械有限公司 波浪板生产线
CN103861939A (zh) * 2014-03-12 2014-06-18 上海斐菱机电设备制造有限公司 电梯门框型材冲孔滚弯生产线
CN104853530A (zh) * 2015-04-14 2015-08-19 中山市智牛电子有限公司 一种切断编带电子元件并折弯的方法
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CN107009152A (zh) * 2017-05-28 2017-08-04 厦门耐立特包装科技有限公司 一种全自动底框、盖框专用加工设备
CN109821976A (zh) * 2018-12-31 2019-05-31 南京亘丰科技有限公司 热回收芯体边条自动生产设备

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CN109821976B (zh) 2020-01-03
CN109821976A (zh) 2019-05-31

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