CN102847937A - Alloy mandril - Google Patents
Alloy mandril Download PDFInfo
- Publication number
- CN102847937A CN102847937A CN2012102903992A CN201210290399A CN102847937A CN 102847937 A CN102847937 A CN 102847937A CN 2012102903992 A CN2012102903992 A CN 2012102903992A CN 201210290399 A CN201210290399 A CN 201210290399A CN 102847937 A CN102847937 A CN 102847937A
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- Prior art keywords
- cast iron
- alloy
- iron bolt
- bolt
- diameter
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- 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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Abstract
The invention discloses an alloy mandril which comprises a cast iron rod, an alloy ring and a cast iron bolt, wherein a threaded hole is formed in one end of the cast iron rod; the alloy ring is sleeved on the cast iron bolt; and a thread matched with the threaded hole is formed at the front end of the cast iron bolt. The alloy mandril has the advantages that by the structure, the yield of alloy mandrils of which the diameters are less than 20mm can be guaranteed; a welding process is not used; and the yield and high performance of products are guaranteed.
Description
Technical field
The present invention relates to the alloy plug.
Background technology
When magnetic industry compacting tool set, often need to use the plug with alloy, present alloy plug size all is that the mode of alloy section by welding is connected to reduce production costs with the cast iron bar less than 20mm, but adopt welding manner easily to make alloy part craze and transfiguration, the product percent defective is higher.
Summary of the invention
The object of the present invention is to provide the alloy plug, can effectively solve prior art and produce diameter 20mm with the interior high problem of alloy plug product percent defective.
In order to solve the problems of the technologies described above, the present invention is achieved by the following technical solutions: the alloy plug, comprise cast iron bar, alloy hoop, cast iron bolt, one end of described cast iron bar has screwed hole, described alloy hoop is set on the cast iron bolt, and the front end of described cast iron bolt is provided with the screw thread suitable with screwed hole.
Preferably, described alloy hoop is set in the middle part of cast iron bolt, and the diameter at described cast iron bolt middle part equates with alloy hoop inner ring internal diameter, and the diameter of described cast iron bolt back segment equates with the external diameter of alloy hoop; Alloy hoop and cast iron bolt middle part can well be cooperated, after cast iron bolt and cast iron bar are tightened, can fix the relative position of alloy hoop.
Compared with prior art, advantage of the present invention is: adopt said structure just can guarantee the yields of the alloy bar core that diameter 20mm is following, avoid using welding procedure, guarantee finished product rate and good performance.
Description of drawings
Fig. 1 is the structural representation of alloy plug of the present invention.
The specific embodiment
Consult the embodiment that Fig. 1 is alloy plug of the present invention, the alloy plug, comprise cast iron bar 1, alloy hoop 2, cast iron bolt 3, one end of described cast iron bar 1 has screwed hole 4, described alloy hoop 2 is set on the cast iron bolt 3, and the front end of described cast iron bolt 3 is provided with the screw thread suitable with screwed hole 4, and described alloy hoop 2 is set in the middle part of cast iron bolt 3, the diameter at described cast iron bolt 3 middle parts equates with alloy hoop 2 inner ring internal diameters, and the diameter of described cast iron bolt 3 back segments equates with the external diameter of alloy hoop 2.
During installation, apply glue at inwall and cast iron bolt 3 middle parts of alloy hoop 2 first, alloy hoop 2 is set on the cast iron bolt 3, in the screwed hole 4 of the front end of cast iron bolt 3 and cast iron bar 1, all apply glue again, the front end of cast iron bolt 3 is screwed in the screwed hole 4 of cast iron bar 1.Adopt said structure just can guarantee the yields of the alloy bar core that diameter 20mm is following, avoid using welding procedure, guarantee finished product rate and good performance.
The above only is specific embodiments of the invention, but technical characterictic of the present invention is not limited to this, and any those skilled in the art is in the field of the invention, and the variation of doing or modification all are encompassed among the claim of the present invention.
Claims (2)
1. alloy plug, comprise cast iron bar (1), it is characterized in that: also comprise alloy hoop (2), cast iron bolt (3), one end of described cast iron bar (1) has screwed hole (4), described alloy hoop (2) is set on the cast iron bolt (3), and the front end of described cast iron bolt (3) is provided with the screw thread suitable with screwed hole (4).
2. alloy plug as claimed in claim 1, it is characterized in that: described alloy hoop (2) is set in the middle part of cast iron bolt (3), the diameter at described cast iron bolt (3) middle part equates with alloy hoop (2) inner ring internal diameter, and the diameter of described cast iron bolt (3) back segment equates with the external diameter of alloy hoop (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012102903992A CN102847937A (en) | 2012-08-15 | 2012-08-15 | Alloy mandril |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012102903992A CN102847937A (en) | 2012-08-15 | 2012-08-15 | Alloy mandril |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102847937A true CN102847937A (en) | 2013-01-02 |
Family
ID=47395140
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012102903992A Pending CN102847937A (en) | 2012-08-15 | 2012-08-15 | Alloy mandril |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102847937A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103331445A (en) * | 2013-07-05 | 2013-10-02 | 浙江恒成硬质合金有限公司 | Alloy core rod and machining process thereof |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2010144241A (en) * | 2008-12-22 | 2010-07-01 | Hitachi Powdered Metals Co Ltd | Molding die apparatus |
| CN201836187U (en) * | 2010-10-22 | 2011-05-18 | 刘利双 | Screw |
| CN102489703A (en) * | 2011-12-20 | 2012-06-13 | 上海爱普生磁性器件有限公司 | Method for preparing magnet green body through pressing by adopting high-precision die |
| CN202655627U (en) * | 2012-08-15 | 2013-01-09 | 浙江恒成硬质合金有限公司 | Alloy mandril |
-
2012
- 2012-08-15 CN CN2012102903992A patent/CN102847937A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2010144241A (en) * | 2008-12-22 | 2010-07-01 | Hitachi Powdered Metals Co Ltd | Molding die apparatus |
| CN201836187U (en) * | 2010-10-22 | 2011-05-18 | 刘利双 | Screw |
| CN102489703A (en) * | 2011-12-20 | 2012-06-13 | 上海爱普生磁性器件有限公司 | Method for preparing magnet green body through pressing by adopting high-precision die |
| CN202655627U (en) * | 2012-08-15 | 2013-01-09 | 浙江恒成硬质合金有限公司 | Alloy mandril |
Non-Patent Citations (1)
| Title |
|---|
| 刘春玲等: "叶块成型模具芯轴的结构设计改进", 《模具制造》 * |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103331445A (en) * | 2013-07-05 | 2013-10-02 | 浙江恒成硬质合金有限公司 | Alloy core rod and machining process thereof |
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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 | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20130102 |