CN202725832U - Necking cavity plate - Google Patents
Necking cavity plate Download PDFInfo
- Publication number
- CN202725832U CN202725832U CN 201220439192 CN201220439192U CN202725832U CN 202725832 U CN202725832 U CN 202725832U CN 201220439192 CN201220439192 CN 201220439192 CN 201220439192 U CN201220439192 U CN 201220439192U CN 202725832 U CN202725832 U CN 202725832U
- Authority
- CN
- China
- Prior art keywords
- positioning bush
- plunger tip
- ejector core
- positioning sleeve
- cavity plate
- 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 cavity plate, in particular to a necking cavity plate which comprises a moving ejector core, a product positioning bush and an ejector core positioning bush. The product positioning bush and the ejector core positioning bush are stacked. The product positioning bush is located above the ejector core positioning bush. Both the product positioning bush and the ejector core positioning bush are tubular. The inner diameter of the ejector core positioning bush is evidently larger than that of the product positioning bush. A moving ejector core is movably nested into the product positioning bush and the ejector core positioning bush, which are stacked. The bottom end of the ejector core positioning bush is provided with a reamed hole. The bottom end of the moving ejector core is provided with a convex ring located in the reamed hole. The necking cavity plate is simple in overall structure, high in use stability and long in service life.
Description
Technical field
The utility model relates to a kind of die, particularly the reducing die.
Background technology
The reducing of hollow blank or tubular blank end all was that roll extrusion forms on the employing measuring truck in the past, and production cost is larger, and production efficiency is low.
Increasingly mature along with full-automatic deep drawn punch press technology, people are more prone to cooperate corresponding reducing die that product is carried out reducing processing by full-automatic deep drawn punch press now, but existing reducing cavity die structure is complicated.
The utility model content
The purpose of this utility model is to provide a kind of reducing die simple in structure in order to solve above-mentioned the deficiencies in the prior art.
To achieve these goals, the reducing die that the utility model is designed, it comprises product orientation cover and the plunger tip positioning sleeve of movable plunger tip and stepped construction, described product orientation cover is positioned at the top of plunger tip positioning sleeve, and both are tubular, the internal diameter that the internal diameter of plunger tip positioning sleeve obviously overlaps greater than product orientation, movable plunger tip is actively socketed in the product orientation cover and plunger tip positioning sleeve of stepped construction, the bottom of described plunger tip positioning sleeve is provided with reaming, the bottom of described movable plunger tip is provided with bulge loop, and described bulge loop is positioned at reaming.
The reducing die that the utility model obtains, its overall structure is simple, and stability in use is high, is to have the life-span long.
Description of drawings
Fig. 1 is the structural representation of embodiment 1.
The specific embodiment
Below in conjunction with drawings and Examples the utility model is further specified.
Embodiment 1:
As scheme the reducing die described in the X, it comprises product orientation cover 1 and the plunger tip positioning sleeve 2 of movable plunger tip 3 and stepped construction, described product orientation cover 1 is positioned at the top of plunger tip positioning sleeve 2, and both are tubular, the internal diameter of plunger tip positioning sleeve 2 obviously overlaps 1 internal diameter greater than product orientation, movable plunger tip 3 is actively socketed in the product orientation cover 1 and plunger tip positioning sleeve 2 of stepped construction, the bottom of described plunger tip positioning sleeve 2 is provided with reaming 4, the bottom of described movable plunger tip 3 is provided with bulge loop 5, and described bulge loop 5 is positioned at reaming 4.
Claims (1)
1. reducing die, it is characterized in that: it comprises product orientation cover (1) and the plunger tip positioning sleeve (2) of movable plunger tip (3) and stepped construction, described product orientation cover (1) is positioned at the top of plunger tip positioning sleeve (2), and both are tubular, the internal diameter of plunger tip positioning sleeve (2) is greater than the internal diameter of product orientation cover (1), movable plunger tip (3) is actively socketed in the product orientation cover (1) and plunger tip positioning sleeve (2) of stepped construction, the bottom of described plunger tip positioning sleeve (2) is provided with reaming (4), the bottom of described movable plunger tip (3) is provided with bulge loop (5), and described bulge loop (5) is positioned at reaming (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220439192 CN202725832U (en) | 2012-08-31 | 2012-08-31 | Necking cavity plate |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220439192 CN202725832U (en) | 2012-08-31 | 2012-08-31 | Necking cavity plate |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202725832U true CN202725832U (en) | 2013-02-13 |
Family
ID=47651582
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220439192 Expired - Fee Related CN202725832U (en) | 2012-08-31 | 2012-08-31 | Necking cavity plate |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202725832U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109201887A (en) * | 2018-09-29 | 2019-01-15 | 中北大学 | A kind of necking cavity plate reducing necking unstability tendency |
-
2012
- 2012-08-31 CN CN 201220439192 patent/CN202725832U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109201887A (en) * | 2018-09-29 | 2019-01-15 | 中北大学 | A kind of necking cavity plate reducing necking unstability tendency |
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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 |
Granted publication date: 20130213 Termination date: 20140831 |
|
| EXPY | Termination of patent right or utility model |