KR101034079B1 - Device and method for making fan ring using heat exchanger - Google Patents

Device and method for making fan ring using heat exchanger Download PDF

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Publication number
KR101034079B1
KR101034079B1 KR1020100124767A KR20100124767A KR101034079B1 KR 101034079 B1 KR101034079 B1 KR 101034079B1 KR 1020100124767 A KR1020100124767 A KR 1020100124767A KR 20100124767 A KR20100124767 A KR 20100124767A KR 101034079 B1 KR101034079 B1 KR 101034079B1
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KR
South Korea
Prior art keywords
rollers
roller
frame
groove
fan
Prior art date
Application number
KR1020100124767A
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Korean (ko)
Inventor
오혜영
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오혜영
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Priority to KR1020100124767A priority Critical patent/KR101034079B1/en
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Publication of KR101034079B1 publication Critical patent/KR101034079B1/en

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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21C—MANUFACTURE OF METAL SHEETS, WIRE, RODS, TUBES OR PROFILES, OTHERWISE THAN BY ROLLING; AUXILIARY OPERATIONS USED IN CONNECTION WITH METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL
    • B21C37/00—Manufacture of metal sheets, bars, wire, tubes or like semi-manufactured products, not otherwise provided for; Manufacture of tubes of special shape
    • B21C37/06—Manufacture of metal sheets, bars, wire, tubes or like semi-manufactured products, not otherwise provided for; Manufacture of tubes of special shape of tubes or metal hoses; Combined procedures for making tubes, e.g. for making multi-wall tubes
    • B21C37/15—Making tubes of special shape; Making tube fittings
    • 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
    • B21D5/00—Bending sheet metal along straight lines, e.g. to form simple curves
    • B21D5/14—Bending sheet metal along straight lines, e.g. to form simple curves by passing between rollers
    • 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
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D29/00—Details, component parts, or accessories
    • F04D29/40—Casings; Connections of working fluid

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)
  • Structures Of Non-Positive Displacement Pumps (AREA)

Abstract

PURPOSE: A device and method for manufacturing a fan ring using heat exchanger is provided to improve production efficiency by forming a frame in curved shape without welding. CONSTITUTION: A device and method for manufacturing a fan ring using heat exchanger comprises a first rotary shaft, a second rotary shaft, main rollers, a secondary roller(124) and a slide part(132). The first rotary shaft and the second rotary shaft are installed in parallel with each other. The main roller is inserted into the first rotary shaft and second rotary shaft. The main roller includes a recess roller having V-shape recessed groove. The secondary roller is installed on the top of the first rotary shaft and second rotary shaft. The slide part adjusts the height of the secondary roller.

Description

Fan ring manufacturing apparatus and manufacturing method for heat exchanger {Device and Method for making fan ring using heat exchanger}

The present invention relates to a fan manufacturing apparatus and a manufacturing method for a heat exchanger. More specifically, instead of attaching a separate angle by welding, a bone is formed in the frame by a bending operation and formed into a curved shape using a roller, so that the angle does not need to be welded to the frame, and the curved shape is formed by a simple process. It can be processed into a frame, so the process is quick, economical, and production efficiency is improved, and it is easy to replace, add or remove the gap adjusting roller inserted between the groove rollers even if the bone gap of the frame is changed according to the size of the fan. The present invention relates to a fan manufacturing apparatus and a manufacturing method for a heat exchanger capable of manufacturing a fan of various specifications without having to be limited to the gap between the bones during the bending operation.

Air cooled heat exchangers are essential for plants such as petrochemical plants, oil refineries or power plants. The air-cooled heat exchanger is installed at the inlet of the fluid inflow, the heat exchanger in which the inflowed fluid is heat-exchanged while passing through the tubes provided with a plurality of fins, the outlet at which the fluid passed through the plurality of tubes is discharged, and the lower portion of the heat exchanger. It is composed of a plenum, a fan installed at the lower center of the plenum and supplying air to the heat exchanger through the plenum, and a fan ring surrounding the fan.

The heat exchange method in the air-cooled heat exchanger drives the fan to supply air through the plenum, and the air moves through the plenum to the heat exchanger in which the plurality of tubes are installed. . In other words, the heat of the fluid flowing in the tube is made by the inflow of cold air. Thin fins are formed in the tube to widen the contact area for air contact, and to allow efficient heat exchange by contacting cold air in the enlarged contact area.

1 is a perspective view of a general fan ring, Figure 2 is a cross-sectional view of FIG.

In general, the fan is manufactured by attaching the angle 20 to the frame 10. Since the fan is made of a cylindrical shape and a fan that generates a strong air pressure therein is rotating, the fan receives a large force in the shape itself and is subjected to a heavy load by the air pressure. Thus, angles 20 are attached to relieve the load on the frame 10 and to reinforce the curved frame.

Typically, the fan is manufactured by forming a flat frame into a curved shape using a roller, bending the angled angle of the L-shape to match the curvature of the curved frame, and then welding the angle to an appropriate position of the frame. However, this manufacturing process requires not only to prepare an angle separately, but also to perform an angle bending operation and to perform a complicated process such as welding to a curved frame, which takes a long time and reduces work efficiency and economic efficiency. have.

Furthermore, when the specification of the fan is changed, the spacing between the angles is also different, which makes the process complicated and cumbersome.

Therefore, there is a need for derivation of a new manufacturing apparatus and method for manufacturing fanning in a one-time process.

The present invention has been made to solve the above problems, in particular, it is not necessary to weld the angle to the frame and can be processed into a curved frame by a simple process, the process is quick, economical and the production efficiency is improved, As the size of the fan is changed, it can be easily covered even if the bone gap of the frame is changed. As a result, the fan is manufactured for heat exchanger that can manufacture fans of various specifications without having to be concerned with the gap between the bones when bending. The object is to provide an apparatus and a manufacturing method.

In order to achieve the above object, a fan manufacturing apparatus for a heat exchanger according to the present invention includes a first rotating shaft and a second rotating shaft which face each other in parallel; A main roller inserted into the first rotation shaft and the second rotation shaft and having a plurality of unit rollers having different widths; An auxiliary roller provided on an upper portion of the first rotating shaft and the second rotating shaft; And a slide part for adjusting the height of the auxiliary roller, wherein the main roller inserted into the first rotation shaft and the main roller inserted into the second rotation shaft have a symmetrical shape.

In addition, the main roller may include a plurality of groove rollers provided with a V-shaped groove.

In addition, the interval between the groove rollers can be adjusted by varying the width or the number of the roller for adjusting the gap inserted between the groove rollers.

Fan manufacturing method for a heat exchanger according to the present invention comprises the steps of (a) cutting the frame of the flat plate shape to a desired standard using a laser; (b) a bending step of bending the frame cut through the step (a) to form a plurality of V-shaped valleys; (c) a plurality of grooved rollers having a V-shaped groove are included, but the frame bent through the step (b) between the pair of opposing main rollers and the auxiliary rollers having a plurality of unit rollers having different widths is combined; And inserting a rolling step of bending the frame into a curved shape.

In addition, in step (c), the interval between the groove rollers may be adjusted by replacing unit rollers having a width different from that of the unit rollers inserted between the groove rollers, or inserting additional unit rollers between the groove rollers. .

According to the present invention, instead of attaching a separate angle by welding, the bone is formed in the frame by bending and formed into a curved shape using a roller, so that the angle does not need to be welded to the frame and the curved shape can be formed by a simple process. Because it can be processed into a frame, the process is quick, economical and the production efficiency is improved.

In addition, according to the present invention, even if the bone spacing of the frame is changed according to the specification of the fan ring, there is an effect that can be easily covered by replacing, adding or removing the gap adjusting roller inserted between the groove rollers, and as a result banding There is an effect that can produce a fan of various specifications without having to be concerned with the gap between the bones in the work.

1 is a perspective view of a general fan,
2 is a cross-sectional view of FIG.
3 is a perspective view of a fan manufacturing apparatus for a heat exchanger according to a preferred embodiment of the present invention;
4 is a left side view of FIG. 3;
Figure 5 is an enlarged perspective view of the roller portion of the fan manufacturing apparatus for heat exchangers according to a preferred embodiment of the present invention,
6 is a flow chart of a fan manufacturing method for a heat exchanger according to a preferred embodiment of the present invention.

Hereinafter, preferred embodiments of the present invention will be described in detail with reference to the accompanying drawings. First, in adding reference numerals to the components of each drawing, it should be noted that the same reference numerals are assigned to the same components as much as possible, even if shown on different drawings. In the following description of the present invention, a detailed description of known functions and configurations incorporated herein will be omitted when it may make the subject matter of the present invention rather unclear. In addition, the following will describe a preferred embodiment of the present invention, but the technical idea of the present invention is not limited thereto and may be variously modified and modified by those skilled in the art.

3 is a perspective view of a fan manufacturing apparatus for a heat exchanger according to a preferred embodiment of the present invention, Figure 4 is a left side view of FIG. Figure 5 is an enlarged perspective view of the roller portion of the fan manufacturing apparatus for heat exchangers according to a preferred embodiment of the present invention.

3 to 5, the fan ring manufacturing apparatus for a heat exchanger according to a preferred embodiment of the present invention may include a first rotating shaft 102, a second rotating shaft 112, an auxiliary roller rotating shaft 122, and a main roller 105. 115, the auxiliary roller 124, the slide unit 132, the operation unit 142, and the support unit 152.

The first rotating shaft 102 and the second rotating shaft 112 are connected to the motor and rotate to respectively transmit the rotating power to the main rollers 105 and 115. The first rotating shaft 102 and the second rotating shaft 112 are disposed to face in parallel to each other, and are arranged side by side with respect to the ground.

The auxiliary roller rotating shaft 122 is positioned above the first rotating shaft 102 and the second rotating shaft 112 and is connected to the motor to rotate to provide the rotational power to the auxiliary roller 124. The auxiliary roller 124 is inserted into the auxiliary roller rotating shaft 122.

The main roller 105 is inserted into the first rotation shaft 102 and rotated by receiving rotational power from the first rotation shaft 102, thereby rolling and moving the frame together with the auxiliary roller 124. The main roller 105 is configured by combining a plurality of unit rollers 104 and 106 having different widths.

The unit rollers 104 and 106 include a groove roller 106 and a gap adjusting roller 104.

The groove roller 106 is provided with a V-shaped groove on the circumferential outer circumferential surface. In manufacturing the heat exchanger fan, the bone is formed in the frame through a banding operation and then the frame is rolled, whereby the bone of the frame passes through the V-shaped groove. That is, when rolling the frame on which the valley is formed to process a curved shape, the valley portion passes through the V-shaped groove of the groove roller, and the frame portions other than the valley are compressed by the roller portion around the groove.

The gap adjusting roller 104 is inserted between the groove roller and the groove roller. The gap adjusting roller 104 adjusts the gap between the grooved rollers so that the rolling operation can be easily performed even when rolling frames of different sizes.

The bones formed in the frame are for improving the strength of the bent frame, and may be formed at different intervals depending on the size or use of the fan to be manufactured. For example, when it is desired to produce a frame of a different standard from the frame produced so far, the spacing between the valleys formed in the frame may be different.

If the spacing between the bones becomes wider, the roller can be smoothly rolled by replacing the roller for gap adjustment with a roller for gap adjustment having a wider width. Alternatively, by adding a separate gap adjusting roller to the existing gap adjusting roller can cover the rolling operation of the frame having a wider gap. On the contrary, when the gap between the bones becomes narrower, it may be replaced with a narrow gap adjusting roller or the gap adjusting roller may be removed.

The main roller 115 is inserted into the second rotation shaft 112 and rotated by receiving rotational power from the second rotation shaft 112, thereby rolling and moving the frame together with the auxiliary roller 124. The main roller 115 is configured by combining a plurality of unit rollers 114 and 116 having different widths.

The unit rollers 114 and 116 facing each other with the unit rollers 104 and 106 include a recess roller 116 and a gap adjusting roller 114. The function of the groove roller 116 and the gap adjusting roller 114 is the same as the case of the above-mentioned groove roller 106 and the gap adjusting roller 104, a detailed description thereof will be omitted.

The auxiliary roller 124 is inserted into the auxiliary roller rotation shaft 122 to receive rotational power by the auxiliary roller rotation shaft 122. Unlike the main rollers 105 and 115, the auxiliary roller 124 is composed of a single columnar roller without combining a plurality of unit rollers.

When rolling the bone-formed frame into a curved shape, the surface on which the valley is formed becomes the outer side and the surface on which the valley is not formed becomes the inner side (see FIG. 6). Since the main rollers 105 and 115 are in contact with the surface on which the bone is formed, a gap adjusting roller 104 and 114 for adjusting the gap between the groove rollers 106 and 116 for accommodating the bone and the groove rollers is required, while the auxiliary roller 124 is in contact with the surface where the bone is not formed, so that it is sufficient to form a smooth columnar shape.

The slide part 132 is a part for adjusting the height of the auxiliary roller 124. When rolling the valleyed frame, a frame is inserted between the pair of main rollers 105 and 115 and the auxiliary roller 124. Therefore, before inserting the frame, the insertion of the frame is facilitated by moving the auxiliary roller 124 upward by using the slide part 132. After inserting the frame, the auxiliary roller 124 is moved downward to apply a suitable load to the frame inserted between the pair of main rollers 105 and 115 and the auxiliary roller 124 to deform the frame into a curved shape. Make it work. To this end, the slide unit 132 may operate in a hydraulic or pneumatic manner.

The operation part 142 is a part for controlling each part of the whole apparatus including the slide part 132.

The support unit 152 is provided at the bottom of the fan manufacturing apparatus for heat exchangers to support structures and operation units for fixing the rotary shafts 102, 112, and 122, and to facilitate work by separating the main rollers 105 and 115 from the ground. And protects the main rollers 105 and 115 from moisture of the floor and the like.

6 is a flow chart of a fan manufacturing method for a heat exchanger according to a preferred embodiment of the present invention.

The method for manufacturing a fan for a heat exchanger according to a preferred embodiment of the present invention, referring to FIG. 6, includes a cutting step, a banding step, and a rolling step.

The cutting step is a step of cutting the flat frame into a desired size using a laser. The frame may be cut to various standards according to the size of the heat exchanger to be manufactured, the size of the fan, and the like. It is preferable that the drilling operation for forming the hole for the screw in the cutting step is also performed in parallel.

The bending step is a step of forming a plurality of V-shaped valleys by bending the cut frame through the cutting step. At this time, the height of the bone, the position of the bone, the distance between the bones may vary depending on the size of the heat exchanger to be manufactured and the size of the fan. The bone is formed to prevent deformation of the fan even if a strong pressure is applied to the frame by the fan rotating at a high speed or a large load is applied by a plenum or the like provided on the upper side.

The rolling step is a step of bending a frame in which a valley is formed through bending, in a curved shape. For example, the rolling step may be performed through a fan manufacturing apparatus for heat exchangers according to a preferred embodiment of the present invention. That is, a plurality of grooved rollers having a V-shaped groove are included, and the frame is bent in a curved shape by inserting a banded frame between a pair of opposing main rollers and auxiliary rollers having a plurality of unit rollers having different widths. It becomes. Inserted between the main roller and the auxiliary roller so that the surface on which the valley is formed to face the ground, and then rotate the main roller and the auxiliary roller to form a curved surface while the auxiliary roller is pressed between a pair of main roller. At this time, the frame should be aligned so that the valley is located in the V-shaped groove.

 If the distance between the grooves is changed due to the change in the size of the frame, replace the unit rollers (gap rollers) inserted between the groove rollers with unit rollers having a different width, or insert additional unit rollers between the groove rollers. That can be as mentioned above.

The above description is merely illustrative of the technical idea of the present invention, and various modifications, changes, and substitutions may be made by those skilled in the art without departing from the essential characteristics of the present invention. will be. Accordingly, the embodiments disclosed in the present invention and the accompanying drawings are not intended to limit the technical spirit of the present invention but to describe the present invention, and the scope of the technical idea of the present invention is not limited by the embodiments and the accompanying drawings. . The protection scope of the present invention should be interpreted by the following claims, and all technical ideas within the equivalent scope should be interpreted as being included in the scope of the present invention.

Industrial Applicability The present invention can be widely applied to the field of manufacturing a fan for heat exchangers, in particular, to the design and manufacturing of a manufacturing apparatus capable of manufacturing a fan once, regardless of the size of the fan.

102-1st axis of rotation 112-2nd axis of rotation
122-auxiliary roller shaft 105, 115-main roller
124-Secondary Roller 132-Slide Section
142-Control Panel 152-Support Section

Claims (5)

A first axis of rotation and a second axis of rotation opposite in parallel to each other;
A main roller inserted into the first rotation shaft and the second rotation shaft and having a plurality of unit rollers having different widths;
An auxiliary roller provided on an upper portion of the first rotating shaft and the second rotating shaft; And
Slide section for adjusting the height of the auxiliary roller
Including;
The main roller inserted into the first rotating shaft and the main roller inserted into the second rotating shaft have a symmetrical shape, and each of the main rollers includes a plurality of groove rollers having a V-shaped groove, and the interval between the groove rollers. Fanning apparatus for a heat exchanger characterized in that it is adjusted by varying the width or the number of the gap adjusting roller inserted between the groove rollers. delete delete (a) cutting the flat frame into a desired size using a laser;
(b) a bending step of bending the frame cut through the step (a) to form a plurality of V-shaped valleys;
(c) a plurality of grooved rollers having a V-shaped groove are included, but the frame bent through the step (b) between the pair of opposing main rollers and the auxiliary rollers having a plurality of unit rollers having different widths is combined; Rolling step of inserting and bending the frame into a curved shape
Fan manufacturing method for a heat exchanger comprising a. The method of claim 4, wherein
In step (c), the interval between the groove rollers is adjusted by replacing the unit roller inserted between the groove rollers with a unit roller having a different width, or inserting a unit roller between the groove rollers. Method for manufacturing fan for heat exchangers.




KR1020100124767A 2010-12-08 2010-12-08 Device and method for making fan ring using heat exchanger KR101034079B1 (en)

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Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101342862B1 (en) 2012-11-22 2013-12-18 김위식 fan ring and manufacturing method in which is the bell mouth
KR101493388B1 (en) 2013-08-08 2015-02-13 휴먼중공업 주식회사 apparatus for correction welding deflection
KR20170094642A (en) * 2016-02-11 2017-08-21 주식회사 엘지화학 Pressing Device Capable of Adjusting Space between Pressing Rolls
KR101925100B1 (en) * 2017-07-05 2018-12-04 디케이알텍(주) Planarizing device for metal card
WO2023014209A1 (en) * 2021-08-06 2023-02-09 (주)코텍 Curved surface frame bending device for curved surface display and method for manufacturing curved surface frame for curved surface display
WO2024022782A1 (en) * 2022-07-26 2024-02-01 Odfjell Oceanwind As Bending machine

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20090011118U (en) * 2008-04-25 2009-10-29 현대제철 주식회사 Roll apparatus for coil box
KR100945008B1 (en) * 2009-11-18 2010-03-05 (주)옥산아이엠티 Transfering device for steelstructural plate
KR20100060636A (en) * 2008-11-28 2010-06-07 이시형 Apparatus for regularly forming cut lines for transporting air on packaging film and the packaging film with cut lines

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20090011118U (en) * 2008-04-25 2009-10-29 현대제철 주식회사 Roll apparatus for coil box
KR20100060636A (en) * 2008-11-28 2010-06-07 이시형 Apparatus for regularly forming cut lines for transporting air on packaging film and the packaging film with cut lines
KR100945008B1 (en) * 2009-11-18 2010-03-05 (주)옥산아이엠티 Transfering device for steelstructural plate

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101342862B1 (en) 2012-11-22 2013-12-18 김위식 fan ring and manufacturing method in which is the bell mouth
KR101493388B1 (en) 2013-08-08 2015-02-13 휴먼중공업 주식회사 apparatus for correction welding deflection
KR20170094642A (en) * 2016-02-11 2017-08-21 주식회사 엘지화학 Pressing Device Capable of Adjusting Space between Pressing Rolls
KR102073656B1 (en) * 2016-02-11 2020-02-05 주식회사 엘지화학 Pressing Device Capable of Adjusting Space between Pressing Rolls
KR101925100B1 (en) * 2017-07-05 2018-12-04 디케이알텍(주) Planarizing device for metal card
WO2023014209A1 (en) * 2021-08-06 2023-02-09 (주)코텍 Curved surface frame bending device for curved surface display and method for manufacturing curved surface frame for curved surface display
KR20230022360A (en) * 2021-08-06 2023-02-15 (주)코텍 Curved frame bending apparatus for curved display and curved frame manufacturing method for curved display
KR102528948B1 (en) 2021-08-06 2023-05-09 (주)코텍 Curved frame bending apparatus for curved display and curved frame manufacturing method for curved display
WO2024022782A1 (en) * 2022-07-26 2024-02-01 Odfjell Oceanwind As Bending machine

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