CN108176782B - Tube expander for assembling and connecting condenser tube and fins - Google Patents
Tube expander for assembling and connecting condenser tube and fins Download PDFInfo
- Publication number
- CN108176782B CN108176782B CN201711071062.1A CN201711071062A CN108176782B CN 108176782 B CN108176782 B CN 108176782B CN 201711071062 A CN201711071062 A CN 201711071062A CN 108176782 B CN108176782 B CN 108176782B
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- CN
- China
- Prior art keywords
- air
- base
- fin
- air inlet
- tube
- Prior art date
- Legal status (The legal status 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 status listed.)
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Links
- 238000003860 storage Methods 0.000 claims description 9
- 238000002347 injection Methods 0.000 claims description 6
- 239000007924 injection Substances 0.000 claims description 6
- 239000010687 lubricating oil Substances 0.000 claims description 4
- 230000000149 penetrating effect Effects 0.000 claims description 4
- 229910000639 Spring steel Inorganic materials 0.000 claims description 3
- 229910000831 Steel Inorganic materials 0.000 claims description 3
- 239000000463 material Substances 0.000 claims description 3
- 239000010959 steel Substances 0.000 claims description 3
- 238000000034 method Methods 0.000 abstract description 2
- 230000008569 process Effects 0.000 abstract description 2
- 230000009471 action Effects 0.000 description 5
- 238000005057 refrigeration Methods 0.000 description 5
- 230000006835 compression Effects 0.000 description 2
- 238000007906 compression Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000000314 lubricant Substances 0.000 description 2
- 239000003507 refrigerant Substances 0.000 description 2
- 230000001360 synchronised effect Effects 0.000 description 2
- 238000003466 welding Methods 0.000 description 2
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000017525 heat dissipation Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 239000000047 product Substances 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 239000013589 supplement Substances 0.000 description 1
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
- B21D39/00—Application of procedures in order to connect objects or parts, e.g. coating with sheet metal otherwise than by plating; Tube expanders
- B21D39/08—Tube expanders
- B21D39/20—Tube expanders with mandrels, e.g. expandable
-
- 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
- B21D53/08—Making other particular articles heat exchangers or parts thereof, e.g. radiators, condensers fins, headers of both metal tubes and sheet metal
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)
- Supports For Pipes And Cables (AREA)
Abstract
The invention relates to a tube expander for assembling and connecting a condensing tube and fins, which comprises the following components: a frame; the fin placing platform comprises a fin placing platform base and a fin placing base positioned on the fin placing platform base; the fin placing platform base is fixed on the frame; the fin placing base is provided with a fin placing slot; and the tube expanding unit comprises an expanding rod guiding device, an expanding rod pushing device and an expanding rod which are fixed on the frame. The tube expander for assembling and connecting the condensing tube and the fins is compact in connection with the fins in the tube expanding mode, the whole process is very simple and convenient, and the working efficiency is improved.
Description
Technical Field
The invention relates to mechanical compression refrigeration, in particular to a tube expander for assembling and connecting a condensing tube and fins.
Background
In the prior art, in the mechanical compression refrigeration equipment, heat exchange devices such as a condenser and an evaporator are often used, the condenser is used for radiating high-temperature and high-pressure refrigerant, and then the refrigerant enters a room to absorb heat through expansion of the evaporator, so that the refrigeration effect is achieved. And the heat dissipation effect of the heat exchange device directly influences the refrigeration energy efficiency of the whole refrigeration equipment.
The heat exchanger adopts a round condensing tube (with circular radial section) and radiating fins (with circular perforated holes) sleeved on the condensing tube to exchange heat of medium in the tube with outside air so as to achieve the purpose of radiating heat, and the heat exchanger mainly radiates heat by wind when the radiating fins blow.
During assembly, the fins on the condenser are usually thinner and softer, the holes penetrating the condenser tube are generally slightly larger than the diameter of the condenser tube, so that the condenser tube is conveniently and smoothly assembled on a production line, however, in order to exchange heat contained in a medium in the condenser tube with the outside, the connection between the condenser tube and the fins is required to be tight, if welding is adopted, the cold joint and the cold joint of products can be possibly caused, so that the quality of the condenser is influenced, and the number of the fins is large, the density is also large, and the welding operation is very troublesome. Therefore, how to realize the space between the condensing tube and the fins is an urgent problem to be solved at present.
Disclosure of Invention
In view of the foregoing, it is desirable to provide a tube expander for assembling and connecting a condenser tube and a fin, which can achieve tight assembling and connecting of the condenser tube and the corresponding fin by tube expansion.
A tube expander for use in the assembled connection of a condenser tube to a fin, comprising: a frame; the fin placing platform comprises a fin placing platform base and a fin placing base positioned on the fin placing platform base; the fin placing platform base is fixed on the frame; the fin placing base is provided with a fin placing slot, and the width of the fin placing slot is 1cm to 2cm; the pipe expanding unit comprises an expanding rod guiding device, an expanding rod pushing device and an expanding rod which are fixed on the rack; the expansion rod guiding device comprises an expansion rod guiding device base; the expansion rod guide device base is provided with a plurality of expansion rod penetrating through holes; the expansion rod pushing device comprises a total air source, an air storage tank, a plurality of air cylinders and an air cylinder placing base for placing the air cylinders; the cylinder placing base is fixed on the frame;
each air cylinder is connected with the total air source through a first electromagnetic valve; the cylinder is provided with an upper air inlet and an upper air outlet and a lower air inlet; the upper air inlet and the lower air inlet are respectively connected with the first electromagnetic valve; the upper air inlet and the lower air inlet of the air cylinder are respectively connected with the air storage tank through a second electromagnetic valve; the upper air inlet and the lower air inlet of each cylinder are communicated through an air pipe; the length of the expansion rods is 3m to 5m, and the number of the expansion rods is multiple and is driven by the air cylinder.
The tube expander for assembling and connecting the condensing tube and the fins comprises: a frame; the fin placing platform comprises a fin placing platform base and a fin placing base positioned on the fin placing platform base; the fin placing platform base is fixed on the frame; the fin placing base is provided with a fin placing slot; the pipe expanding unit comprises an expanding rod guiding device, an expanding rod pushing device and an expanding rod which are fixed on the rack; through the mode of expand tube for the condenser pipe is closely connected with the fin, and whole process is very simple, convenient, has improved work efficiency.
In one embodiment, the upper end surface of the base of the expansion rod guiding device is provided with a plurality of lubricating oil injection holes, and the diameter of each lubricating oil injection hole is 3cm to 5cm.
In one embodiment, the cylinder placement base is i-steel.
In one embodiment, the first solenoid valve is a three-position five-way solenoid valve.
In one embodiment, the second solenoid valve is a three-position five-way solenoid valve.
In one embodiment, the expander rod material is 65Mn spring steel.
Drawings
Fig. 1 is an isometric view of a tube expander for use in assembling and connecting a condenser tube to a fin according to an embodiment of the present application.
Fig. 2 is an isometric view of a fin placement base in a tube expander for assembling and connecting a condenser tube to a fin according to an embodiment of the present application.
Fig. 3 is an isometric view of an expander guide device in a tube expander for assembling and connecting a condenser tube to a fin according to an embodiment of the present application.
Fig. 4 is a schematic diagram of synchronous movement of a plurality of cylinders in a tube expander for assembling and connecting a condenser tube and a fin according to an embodiment of the present application.
Detailed Description
The present invention will be described in further detail with reference to the drawings and examples, in order to make the objects, technical solutions and advantages of the present invention more apparent. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the invention.
Referring to fig. 1, 2 and 3, a tube expander for use in the assembled connection of a condenser tube to a fin, comprising: a frame 100, a fin placement platform and an expander unit.
The fin placement platform comprises the fin placement platform base 210 and a fin placement base 220 positioned on the fin placement platform base. The fin placing platform base is fixed on the frame. The fin placing base is provided with a fin placing slot 221, the width of the fin placing slot is 1cm to 2cm, and the fin placing slot is used for inserting fins.
The expansion unit includes an expansion rod guide device, an expansion rod pushing device and an expansion rod 330 fixed on the frame. Specifically, the material of the expansion rod is 65Mn spring steel. So that the expansion rod has high wear resistance, smooth and high surface and good elasticity.
The expansion rod guide includes an expansion rod guide base 321. The expansion rod guiding device base is provided with a plurality of expansion rods penetrating through holes 322.
In another embodiment, the upper end surface of the base of the expansion guide is provided with a plurality of lubricant injection holes 323 having a diameter of 3cm to 5cm. The expansion rod can be lubricated through the lubricant injection hole.
The expansion rod pushing device comprises a total air source 910, an air storage tank 940, a plurality of air cylinders 921, 922, 923 and an air cylinder placing base 950 for placing the air cylinders. The cylinder placing base is fixed on the frame. Specifically, the cylinder placement base is I-steel.
Each of the cylinders is connected to the total air supply via a first solenoid valve 911, 912, 913, respectively. Each of the cylinders has an upper inlet and outlet a1, a2, a3 and a lower inlet and outlet b1, b2, b3. The upper air inlet and outlet and the lower air inlet and outlet are respectively connected to the first electromagnetic valve. The upper air inlet and the lower air inlet of each cylinder are communicated through an air pipe.
Therefore, a plurality of air cylinders can realize synchronous action, and the consistency of the actions of the air cylinders is ensured. Thereby ensuring that a plurality of expansion rods are driven synchronously.
The upper air inlet and the lower air inlet of the cylinder are respectively connected with a second electromagnetic valve 941. The second electromagnetic valve is connected with the air storage tank. The air storage tank is connected to an air inlet of the second electromagnetic valve. The two air outlet ports of the second electromagnetic valve are respectively connected with the upper air inlet and the lower air inlet of the air cylinder, so that a stable compensation air source mechanism is formed, all the air cylinders can synchronously act, and when one of the air cylinders fails to cause insufficient pressure of the air cylinders, the air storage tank can be started to supplement air pressure through the second electromagnetic valve, and the stability of the action of a plurality of the air cylinders is ensured. The pressure of the cylinder can be detected by providing a pressure sensor which transmits a signal to the second solenoid valve and controls the second solenoid valve to open when the pressure is insufficient. It will be appreciated that the number of cylinders may be more than three, for example two, and that the embodiment in which the cylinders are driven is similar to the embodiment described above.
When the electromagnetic valve works, a plurality of first electromagnetic valves are controlled simultaneously through one electric signal, namely, battery coils at two ends of the first electromagnetic valves are connected together through one lead respectively, and are controlled simultaneously through the same signal. The first solenoid valve may be a three-position five-way solenoid valve, but is not limited to a three-position five-way solenoid valve. Likewise, the second solenoid valve may also be a three-position five-way solenoid valve, but is not limited to a three-position five-way solenoid valve.
The length of the expansion rods is 3m to 5m, and the number of the expansion rods is multiple and is driven by the air cylinder.
Brief description of the working principle:
the fins 800 are placed in the fin placement base 220 and the condenser tube 700 (which may typically be made of aluminum) are placed in the fins, and the cylinder action pushes the expander action, thereby tightly connecting the condenser tube to the fins.
The technical features of the above-described embodiments may be arbitrarily combined, and all possible combinations of the technical features in the above-described embodiments are not described for brevity of description, however, as long as there is no contradiction between the combinations of the technical features, they should be considered as the scope of the description.
The above examples illustrate only a few embodiments of the invention, which are described in detail and are not to be construed as limiting the scope of the invention. It should be noted that it will be apparent to those skilled in the art that several variations and modifications can be made without departing from the spirit of the invention, which are all within the scope of the invention. Accordingly, the scope of protection of the present invention is to be determined by the appended claims.
Claims (4)
1. A tube expander for use in the assembled connection of a condenser tube to a fin, comprising:
a frame;
the fin placing platform comprises a fin placing platform base and a fin placing base positioned on the fin placing platform base; the fin placing platform base is fixed on the frame; the fin placing base is provided with a fin placing slot, and the width of the fin placing slot is 1cm to 2cm; and
the pipe expanding unit comprises an expanding rod guide device, an expanding rod pushing device and an expanding rod which are fixed on the frame;
the expansion rod guiding device comprises an expansion rod guiding device base; the expansion rod guide device base is provided with a plurality of expansion rod penetrating through holes;
the expansion rod pushing device comprises a total air source, an air storage tank, a plurality of air cylinders and an air cylinder placing base for placing the air cylinders; the cylinder placing base is fixed on the frame;
each air cylinder is connected with the total air source through a first electromagnetic valve; the cylinder is provided with an upper air inlet and an upper air outlet and a lower air inlet; the upper air inlet and the lower air inlet are respectively connected with the first electromagnetic valve; the upper air inlet and the lower air inlet of the air cylinder are respectively connected with the air storage tank through a second electromagnetic valve; the upper air inlet and the lower air inlet of each air cylinder are communicated through an air pipe, the air storage tank is connected to the air inlet of the second electromagnetic valve, and two air outlet ports of the second electromagnetic valve are respectively connected with the upper air inlet and the lower air inlet of each air cylinder;
the length of the expansion rods is 3m to 5m, and the number of the expansion rods is multiple and is driven by the air cylinder;
the upper end face of the base of the expansion rod guiding device is provided with a plurality of lubricating oil injection holes, and the diameter of each lubricating oil injection hole is 3cm to 5cm;
the cylinder placing base is I-steel.
2. The tube expander for assembled connection of condenser tubes and fins as defined in claim 1, wherein said first solenoid valve is a three-position five-way solenoid valve.
3. The tube expander for assembled connection of condenser tubes and fins as defined in claim 1, wherein said second solenoid valve is a three-position five-way solenoid valve.
4. The expander for assembled connection of condenser tubes to fins according to claim 1, wherein the expander rod material is 65Mn spring steel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711071062.1A CN108176782B (en) | 2018-04-27 | 2018-04-27 | Tube expander for assembling and connecting condenser tube and fins |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711071062.1A CN108176782B (en) | 2018-04-27 | 2018-04-27 | Tube expander for assembling and connecting condenser tube and fins |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108176782A CN108176782A (en) | 2018-06-19 |
| CN108176782B true CN108176782B (en) | 2024-02-20 |
Family
ID=62544937
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711071062.1A Active CN108176782B (en) | 2018-04-27 | 2018-04-27 | Tube expander for assembling and connecting condenser tube and fins |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108176782B (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4187708A (en) * | 1977-04-11 | 1980-02-12 | Industrial Wire & Metal Forming, Inc. | Pulling apparatus and method |
| CN2201997Y (en) * | 1993-09-17 | 1995-06-28 | 中国石化上海金山实业公司 | Oil hydraulic apparatus for hydraulic elastic pipe expander |
| CN103967856A (en) * | 2014-05-20 | 2014-08-06 | 天津开发区华英工贸有限公司 | Air drive hydraulic power system used on corner combination machine |
| CN205464043U (en) * | 2016-01-14 | 2016-08-17 | 东莞市凯安机械配件有限公司 | Full automatic processing equipment of folding fin |
| CN107127263A (en) * | 2017-05-05 | 2017-09-05 | 苏州优尼梅申工业机器人科技有限公司 | Aluminum pipe pushes away swollen machine automatically with fin |
| CN107716746A (en) * | 2017-11-03 | 2018-02-23 | 苏州优尼梅申工业机器人科技有限公司 | For condenser pipe and the pipe expanding equipment of fin assembly connection |
| CN207615525U (en) * | 2018-04-27 | 2018-07-17 | 苏州优尼梅申工业机器人科技有限公司 | Electric tube expander for condenser pipe and fin assembly connection |
-
2018
- 2018-04-27 CN CN201711071062.1A patent/CN108176782B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4187708A (en) * | 1977-04-11 | 1980-02-12 | Industrial Wire & Metal Forming, Inc. | Pulling apparatus and method |
| CN2201997Y (en) * | 1993-09-17 | 1995-06-28 | 中国石化上海金山实业公司 | Oil hydraulic apparatus for hydraulic elastic pipe expander |
| CN103967856A (en) * | 2014-05-20 | 2014-08-06 | 天津开发区华英工贸有限公司 | Air drive hydraulic power system used on corner combination machine |
| CN205464043U (en) * | 2016-01-14 | 2016-08-17 | 东莞市凯安机械配件有限公司 | Full automatic processing equipment of folding fin |
| CN107127263A (en) * | 2017-05-05 | 2017-09-05 | 苏州优尼梅申工业机器人科技有限公司 | Aluminum pipe pushes away swollen machine automatically with fin |
| CN107716746A (en) * | 2017-11-03 | 2018-02-23 | 苏州优尼梅申工业机器人科技有限公司 | For condenser pipe and the pipe expanding equipment of fin assembly connection |
| CN207615525U (en) * | 2018-04-27 | 2018-07-17 | 苏州优尼梅申工业机器人科技有限公司 | Electric tube expander for condenser pipe and fin assembly connection |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108176782A (en) | 2018-06-19 |
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