CN102319816A - Enlarged head device - Google Patents
Enlarged head device Download PDFInfo
- Publication number
- CN102319816A CN102319816A CN201110266643A CN201110266643A CN102319816A CN 102319816 A CN102319816 A CN 102319816A CN 201110266643 A CN201110266643 A CN 201110266643A CN 201110266643 A CN201110266643 A CN 201110266643A CN 102319816 A CN102319816 A CN 102319816A
- Authority
- CN
- China
- Prior art keywords
- enlarged head
- expansion
- headstock
- guide plate
- round bar
- 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.)
- Pending
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Abstract
The invention relates to an enlarged head device, which comprises an enlarged head seat arranged on a machine frame, wherein a plurality of enlarged heads for enlarging an elliptic copper pipe are arranged on the enlarged head seat in turn; each enlarged head comprises two circular rods arranged in parallel on the enlarged head seat, and tapered ball expanding fixing components arranged at the lower ends of two circular rods; and elliptic expanding heads are arranged at the ends of the circular rods. The invention provides the enlarged head device which has the advantages of simple structure and good effect on pipe enlarging in order to overcome the defects in the prior art.
Description
[technical field]
The present invention relates to a kind of expansion head unit.
[background technology]
Existing a kind of expansion head unit that oval copper pipe is enlarged is generally expanded copper pipe by the bloated head of bigger elliptical rod.But compare waste material like this, cost is high.
The present invention is just making in such cases.
[summary of the invention]
The present invention seeks to overcome deficiency of the prior art and a kind of simple in structure, expansion head unit that expander is effective is provided.
In order to solve the technical problem of above-mentioned existence, the present invention adopts following technical proposal:
Expand head unit; Include the expansion headstock 1 that is located on the frame 3; Be disposed with a plurality of expansions that can oval copper pipe be enlarged 2 on the headstock 1 expanding; It is characterized in that described expansion 2 includes two and is arranged on the round bar side by side 21 that expands on the headstock 1 and the bloated ball fixtures 23 of the taper of the lower end that is located at these two round bars 21, be provided with in the end of round bar 21 and oval-shapedly expand 22.
Aforesaid expansion head unit is characterized in that also including the multilayer guide plate 4 that is located on the frame 3, on the guide plate 4 of each layer, is provided with the through hole 41 of a plurality of guiding round bars 21 that match with round bar 21.
Aforesaid expansion head unit, the number of plies that it is characterized in that said guide plate 4 is the 3-5 layer.
The present invention compared with prior art has following advantage:
The present invention utilizes two round bars side by side, is provided with the bloated head of taper in the lower end of two round bars, and a peripheral tangent line that expands just forms elliptical shape, utilizes oval bloated to expand copper pipe.Simple in structure, practicality, cost is low.
[description of drawings]
Fig. 1 is a forward stereogram of the present invention.
Fig. 2 is the partial enlarged drawing of Fig. 1.
Fig. 3 is the sketch map of guide plate.
Fig. 4 is the partial enlarged drawing of Fig. 3.
Fig. 5 the present invention is installed in the stereogram on the electric tube expander.
[specific embodiment]
Describe the present invention below in conjunction with accompanying drawing:
Expand head unit, include the expansion headstock 1 that is located on the frame 3, be disposed with a plurality of expansions that can oval copper pipe be enlarged 2 on the headstock 1 expanding.Specifically, described expansion 2 includes two and is arranged on the round bar side by side 21 that expands on the headstock 1 and the bloated ball fixtures 23 of the taper of the lower end that is located at two round bars 21.Be provided with oval-shaped bloated 22 in the end of round bar 21.By bloated 22 oval copper pipe is enlarged.
Like this, earlier 22 expand and open oval copper pipe mouth by expanding, promote to expand headstock 1 by the drive unit on the electric tube expander afterwards and move down, expand headstock 1 and be with and expand 2 down movingly, the ball fixture 23 that expands 22 carries out expander with regard to getting into together with expanding in the copper pipe.Simply, practicality.
In addition, also include the multilayer guide plate 4 that is located on the frame 3, on the guide plate 4 of each layer, be provided with the through hole 41 of a plurality of guiding round bars 21 that match with round bar 21.Each root round bar 21 corresponding through hole 41 that pass.Like this, when expander, round bar 21 is not easy bending, guarantees service life.
As the optimal way of present embodiment, the number of plies of said guide plate 4 is the 3-5 layer.Generally confirm the number of plies of guide plate 4 according to the length of round bar 21.
Claims (3)
1. expansion head unit; Include the expansion headstock (1) that is located on the frame (3); Be disposed with a plurality of expansion heads (2) that can oval copper pipe be enlarged on the headstock (1) expanding; It is characterized in that the described head (2) that expands includes two bloated ball fixtures (23) that are arranged on the taper of the lower end of expanding the round bar side by side (21) on the headstock (1) and being located at these two round bars (21), is provided with oval-shaped bloated head (22) in the end of round bar (21).
2. expansion head unit according to claim 1 is characterized in that also including the multilayer guide plate (4) that is located on the frame (3), on the guide plate (4) of each layer, is provided with the through hole (41) of a plurality of guiding round bars (21) that match with round bar (21).
3. expansion head unit according to claim 2, the number of plies that it is characterized in that said guide plate (4) is the 3-5 layer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110266643A CN102319816A (en) | 2011-09-09 | 2011-09-09 | Enlarged head device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110266643A CN102319816A (en) | 2011-09-09 | 2011-09-09 | Enlarged head device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102319816A true CN102319816A (en) | 2012-01-18 |
Family
ID=45447720
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201110266643A Pending CN102319816A (en) | 2011-09-09 | 2011-09-09 | Enlarged head device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102319816A (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0133687A2 (en) * | 1983-08-05 | 1985-03-06 | Nippondenso Co., Ltd. | Method and apparatus for expanding heat exchanger tubes |
| US4839950A (en) * | 1987-05-20 | 1989-06-20 | Crown Unlimited Machine, Incorporated | Method for making a tube and fin heat exchanger |
| JP2003220431A (en) * | 2002-01-25 | 2003-08-05 | Kyoshin Kogyo Kk | Pipe expanding device |
| CN101480681A (en) * | 2008-01-10 | 2009-07-15 | 中山市奥美森工业有限公司 | Vertical type rod expanding arbor machine capable of automatically selecting expanding arbor row number |
| CN101642791A (en) * | 2009-08-21 | 2010-02-10 | 广东美的电器股份有限公司 | Secondary pipe expander of heat exchanger and pipe expanding method thereof |
| CN101670403A (en) * | 2008-09-12 | 2010-03-17 | 中山市奥美森工业有限公司 | Combined pipe expander |
| CN202239319U (en) * | 2011-09-09 | 2012-05-30 | 中山市奥美森工业技术有限公司 | Expanding head device of pipe expander |
-
2011
- 2011-09-09 CN CN201110266643A patent/CN102319816A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0133687A2 (en) * | 1983-08-05 | 1985-03-06 | Nippondenso Co., Ltd. | Method and apparatus for expanding heat exchanger tubes |
| US4839950A (en) * | 1987-05-20 | 1989-06-20 | Crown Unlimited Machine, Incorporated | Method for making a tube and fin heat exchanger |
| JP2003220431A (en) * | 2002-01-25 | 2003-08-05 | Kyoshin Kogyo Kk | Pipe expanding device |
| CN101480681A (en) * | 2008-01-10 | 2009-07-15 | 中山市奥美森工业有限公司 | Vertical type rod expanding arbor machine capable of automatically selecting expanding arbor row number |
| CN101670403A (en) * | 2008-09-12 | 2010-03-17 | 中山市奥美森工业有限公司 | Combined pipe expander |
| CN101642791A (en) * | 2009-08-21 | 2010-02-10 | 广东美的电器股份有限公司 | Secondary pipe expander of heat exchanger and pipe expanding method thereof |
| CN202239319U (en) * | 2011-09-09 | 2012-05-30 | 中山市奥美森工业技术有限公司 | Expanding head device of pipe expander |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C12 | Rejection of a patent application after its publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20120118 |