CN202238973U - Copper pipe drawing mold - Google Patents
Copper pipe drawing mold Download PDFInfo
- Publication number
- CN202238973U CN202238973U CN2011203064238U CN201120306423U CN202238973U CN 202238973 U CN202238973 U CN 202238973U CN 2011203064238 U CN2011203064238 U CN 2011203064238U CN 201120306423 U CN201120306423 U CN 201120306423U CN 202238973 U CN202238973 U CN 202238973U
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- CN
- China
- Prior art keywords
- copper pipe
- mold
- external mold
- tube reducing
- internal diameter
- 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.)
- Expired - Fee Related
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Abstract
The utility model discloses a copper pipe drawing mold, which comprises a drawing mold set. The drawing mold set comprises an outer mold and an inner mold which are matched with each other. The drawing mold set additionally comprises a front reducing outer mold. The front reducing outer mold and the outer mold are coaxially arranged. The inner diameter of the front reducing outer mold is 115 percent to 120 percent of the inner diameter of the outer mold. The copper pipe drawing mold has the advantages that the reduced quantity of the outer diameter of a copper pipe during one-step drawing can be effectively improved and the drawing efficiency of the copper pipe is improved.
Description
Technical field
The utility model relates to a kind of copper pipe processing mold, a kind of copper pipe of more specifically saying so draw the molding tool, belong to non-ferrous metal processing and manufacturing technical field.
Background technology
In the processing and manufacturing process of copper pipe, need begin from the copper pipe blank, repeatedly draw and dial, could accomplish the specification that copper pipe is made into expection, if will be made into inner screw thread copper pipe, then also need carry out the extruding of internal thread.Therefore, drawing the skill of exchanging work particularly important in the processing and manufacturing of copper pipe, in general, drawing the skill of exchanging work to make external diameter, internal diameter and tube wall with copper pipe all obtain reducing to a certain degree, the structure of copper pipe improves simultaneously.
The molding tool that draws of existing copper pipe comprises that is drawn a molding group, an external mold and an internal mold of drawing the molding group to comprise to be complementary, and external mold is used for limiting the external diameter of copper pipe, and internal mold is used for limiting the internal diameter of copper pipe.Owing to receive the ductile restriction of copper material, adopt the above-mentioned external diameter that draws the molding tool to make copper pipe, internal diameter reducing to receive influence, in general once to draw and dial, all reductions in the inside and outside footpath of copper pipe are about 20%, so its operating efficiency awaits further raising.
The utility model content
To above-mentioned situation, the problem that the utility model quasi-solution is determined provides a kind of once drawing and dials, and what make the higher copper pipe of the reduction in the inside and outside footpath of copper pipe draws the molding tool, draws the operating efficiency of dialling to improve copper pipe.
For achieving the above object; The utility model has adopted following technical scheme: a kind of copper pipe draw the molding tool; It comprises that is drawn a molding group, a said external mold and internal mold that draws the molding group to comprise to be complementary, and it also comprises a preceding tube reducing external mold; Tube reducing external mold and external mold arranged in co-axial alignment before said, the internal diameter of said preceding tube reducing external mold is the 115-120% of external mold internal diameter.
Because drawing when dialling copper pipe, one is drawn the bottleneck of tube reducing in the molding group generally to be external diameter and not lie in internal diameter.Therefore the drawing in the molding tool of the copper pipe of the utility model, group is gone into a preceding tube reducing external mold with the external mold arranged in co-axial alignment, and the internal diameter of preceding tube reducing external mold is the 115-120% of external mold internal diameter.Like the raw-material external diameter of copper pipe is that 52 millimeters, internal diameter are at 34 millimeters; Can adopt internal diameter is that 48 millimeters preceding tube reducing external mold, external mold that internal diameter is 40 millimeters and external diameter are 35 millimeters internal mold; Dial through once drawing, can be made into external diameter and be 40 millimeters, internal diameter and be 35 millimeters tubing.And adopt traditional molding of drawing, once draw group external diameter minimum can only be reached for 42 millimeters.Therefore, the molding tool that draws of the copper pipe of the utility model can effectively improve the reduction of once drawing the external diameter of dialling of copper pipe, has improved copper pipe and has drawn the operating efficiency of dialling.
Description of drawings
Fig. 1 is the structural representation that draws the molding tool of the utility model copper pipe.
Among the figure: 1-external mold, tube reducing external mold before the 2-internal mold, 3-, 4-copper pipe.
The specific embodiment
As shown in Figure 1, the copper pipe of the utility model draw the molding tool, it comprises that is drawn a molding group, a said external mold 1 and internal mold 2 that draws the molding group to comprise to be complementary.Be characterized in that it also comprises a preceding tube reducing external mold 3, said preceding tube reducing external mold 3 and external mold 1 arranged in co-axial alignment, the internal diameter of said preceding tube reducing external mold 3 is the 115-120% of external mold 1 internal diameter.
In drawing the process of dialling copper pipe 4, copper pipe 4 carries out tube reducing through preceding tube reducing external mold earlier, then in external mold 1 and internal mold 2 distortion.
Claims (1)
1. a copper pipe draws the molding tool; It comprises that is drawn a molding group; A said external mold (1) and an internal mold (2) that draws the molding group to comprise to be complementary; It is characterized in that it also comprises a preceding tube reducing external mold (3), said preceding tube reducing external mold (3) and external mold (1) arranged in co-axial alignment, the internal diameter of said preceding tube reducing external mold (3) is the 115-120% of external mold (1) internal diameter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011203064238U CN202238973U (en) | 2011-08-22 | 2011-08-22 | Copper pipe drawing mold |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011203064238U CN202238973U (en) | 2011-08-22 | 2011-08-22 | Copper pipe drawing mold |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202238973U true CN202238973U (en) | 2012-05-30 |
Family
ID=46100276
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011203064238U Expired - Fee Related CN202238973U (en) | 2011-08-22 | 2011-08-22 | Copper pipe drawing mold |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202238973U (en) |
-
2011
- 2011-08-22 CN CN2011203064238U patent/CN202238973U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120530 Termination date: 20170822 |