CN202779245U - Burr-free screw mold - Google Patents
Burr-free screw mold Download PDFInfo
- Publication number
- CN202779245U CN202779245U CN 201220380749 CN201220380749U CN202779245U CN 202779245 U CN202779245 U CN 202779245U CN 201220380749 CN201220380749 CN 201220380749 CN 201220380749 U CN201220380749 U CN 201220380749U CN 202779245 U CN202779245 U CN 202779245U
- Authority
- CN
- China
- Prior art keywords
- screw
- model
- utility
- mold
- burr
- 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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- Forging (AREA)
Abstract
The utility model relates to a burr-free screw mold which comprises a cold forming mold and a universe mold, wherein an insert block and a push rod are arranged in the universe mold. The utility model is characterized in that the end of the insert block is provided with concave stairs corresponding to the shape of the screw head. Since the end of the insert block is provided with the concave stairs corresponding to the shape of the screw head, the defect of burr generation can be effectively overcome when carrying out cold extrusion on the screw head. The utility model has the characteristics of simple structure and good effect.
Description
Technical field
The utility model relates to the screw processing mold, and specifically a kind of screw is without deburring die.
Background technology
The screw processing mold comprises cold forming mould and Tong Mo, is provided with in the logical mould and inserts and charging ram.The screw processing mold of prior art, the end of inserting that is located in the logical mould is concordant, when the head of cold extrusion screw, produces easily burr.
Summary of the invention
The purpose of this utility model is for the problems referred to above, proposes a kind of screw without deburring die.
The purpose of this utility model is achieved in that a kind of screw of the present utility model without deburring die, and it comprises cold forming mould and Tong Mo, is provided with in the logical mould and inserts and charging ram, and there is the indent step corresponding with the screw head shape end that it is characterized in that inserting.
A kind of screw of the present utility model owing in the end of inserting the indent step corresponding with the screw head shape arranged, when the head of cold extrusion screw, can effectively overcome the defective that produces burr without deburring die.The utlity model has simple in structure, effective characteristics.
Description of drawings
Fig. 1 is that screw of the present utility model is without the structural representation of deburring die.
The specific embodiment
The utility model is described in further detail by embodiment below in conjunction with accompanying drawing:
As shown in Figure 1, a kind of screw of the present utility model is without deburring die, and it comprises cold forming mould 1 and Tong Mo 5, is provided with in the logical mould 5 to insert 4 and charging ram 6, and there is the indent step 3 corresponding with screw 2 nose shapes 4 ends that it is characterized in that inserting.
Claims (1)
1. a screw is without deburring die, and it comprises cold forming mould (1) and logical mould (5), is provided with in the logical mould (5) and inserts (4) and charging ram (6), and there is the indent step (3) corresponding with screw (2) nose shape (4) end that it is characterized in that inserting.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220380749 CN202779245U (en) | 2012-08-03 | 2012-08-03 | Burr-free screw mold |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220380749 CN202779245U (en) | 2012-08-03 | 2012-08-03 | Burr-free screw mold |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202779245U true CN202779245U (en) | 2013-03-13 |
Family
ID=47806587
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220380749 Expired - Fee Related CN202779245U (en) | 2012-08-03 | 2012-08-03 | Burr-free screw mold |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202779245U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106040841A (en) * | 2016-04-06 | 2016-10-26 | 浙江晋吉汽车配件有限公司 | Combination die for punching and machining lag bolt |
-
2012
- 2012-08-03 CN CN 201220380749 patent/CN202779245U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106040841A (en) * | 2016-04-06 | 2016-10-26 | 浙江晋吉汽车配件有限公司 | Combination die for punching and machining lag bolt |
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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: 20130313 Termination date: 20200803 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |