CN205309401U - Nonstandard drill bit - Google Patents
Nonstandard drill bit Download PDFInfo
- Publication number
- CN205309401U CN205309401U CN201521111256.6U CN201521111256U CN205309401U CN 205309401 U CN205309401 U CN 205309401U CN 201521111256 U CN201521111256 U CN 201521111256U CN 205309401 U CN205309401 U CN 205309401U
- Authority
- CN
- China
- Prior art keywords
- drill
- drilling rod
- nonstandard
- center
- drill bit
- 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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- Drilling Tools (AREA)
Abstract
The utility model provides a pair of nonstandard drill bit, it is including the drilling rod, and the drilling rod both ends are equipped with the taper tip of two kinds of different angles respectively, and the center of this taper tip is equipped with drill tip portion, the drilling rod both ends are left to have to arrange and are cut the groove, this centre drill can be applicable to the centre bore processing of greater part split axle class part terminal surface, can substitute this interval interior standard centre drill of B2.5 -B8 basically, can effectual saving purchase administrative cost, unified production technology.
Description
Technical field
The nonstandard center bit of the utility model, reduces the destruction to axial workpiece end face while particularly being played a protective role by the centre hole conical surface in the course of processing to greatest extent.
Background technology
Conventional axial workpiece from wherein selecting respective center to creep into row processing, but can be developed along with the more high-precision parts of the progress of science and industrial technology, also just requires higher in the selection of complete processing. And the center drill of standard specifications there will be the protection excessive effect not having protection objective taper hole of cone when processing some part, or cause part thermal treatment aft end face that the quality defects such as crackle occur. If selecting the little location taper hole that there will be again cannot fully contact location, affect element precision.
Because specifications and models are too much, this just needs every control gauge lattice all to purchase, and is unfavorable for that cost control and warehouse maintenance management add handling cost.
Practical novel content
The purpose of this utility model solves the current destruction processed some pilot hole and caused by hole in piece part on being, it is to increase the working accuracy of part.
For solving technical problem described in background technology, the utility model by the following technical solutions:
A kind of non-standard drill, it includes drilling rod, and described two ends of drill is respectively equipped with the conical end portion of two kinds of different angles, and the center of this conical end portion is provided with bores tip, and described two ends of drill has row and cuts groove, and described two ends of drill is respectively equipped with center bit.
Preferably, conical end portion is made up of two α and β different angles, and wherein α is 60 °, and β is 120 °.
This practicality principle of work be when non-standard drill guide diameter be Φ 4.5 time location taper hole top end diameter size can reach Φ 5.5 after forming its location taper hole of 60 ° can fully with top on 60 ° of conical surfaces match, reach good locating effect. And the size diameter of drill pipe diameter is related to the size of the centre hole rear 120 ° of protection conical surfaces of shaping and it is to the destruction of part end face, when being designed and sized to Φ 8,120 ° of protection conical surfaces reduces the destruction to axial workpiece end face to greatest extent while playing a protective role.
This practical useful effect there is provided a kind of brand-new non-standard drill, this drill bit goes for the centre hole processing of major part axial workpiece end face, substantially can substitute the center for standard in this interval of B2.5-B8 to bore, can effectively save buying handling cost, unified production technique.
Accompanying drawing explanation
Fig. 1 is the structural representation of the utility model non-standard drill.
Embodiment
In order to make the utility model non-standard drill can improve the working accuracy of axial workpiece, it is further detailed:
That bores that tip 3 guides diameter is designed and sized to Φ 4.5, drilling rod 1 diameter is designed and sized to Φ 8, conical end portion 2 top end diameter is designed and sized to Φ 5.5, drill guide length is designed and sized to 8.5, center drill total length is not strict with, and suitably controls when ensureing working strength and work-ing life. When brill tip 3 guide when being designed and sized to Φ 4.5 of diameter, conical end portion 2 top end diameter be designed and sized to Φ 5.5 after forming its location taper hole of 60 ° can fully with top on 60 ° of conical surfaces match, reach good locating effect. And the size diameter of drilling rod 1 diameter is related to the size of the centre hole rear 120 ° of protection conical surfaces of shaping and it is to the destruction of part end face; when being designed and sized to Φ 8,120 ° of protection conical surfaces reduces the destruction to axial workpiece end face to greatest extent while playing a protective role; substantially journal diameter it is applicable at Φ more than 15, the centre hole processing of all axial workpieces of product weight within 500kg.
Only describe a kind of brand-new non-standard drill by the mode of explanation above; this drill bit goes for the centre hole processing of major part axial workpiece end face; substantially can substitute the center for standard in this interval of B2.5-B8 to bore; improve parts machining precision; protect the destruction to end face in Machining of Shaft-type Parts process; effective saving can be had to purchase handling cost, unified production technique.
Claims (2)
1. a non-standard drill, it includes drilling rod, it is characterised in that, described two ends of drill is respectively equipped with the conical end portion of two kinds of different angles, the center of this conical end portion is provided with bores tip, and described two ends of drill has row and cuts groove, and described two ends of drill is respectively equipped with center bit.
2. a kind of non-standard drill according to claim 1, it is characterised in that: conical end portion is made up of two α and β different angles, and wherein α is 60 °, and β is 120 °.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521111256.6U CN205309401U (en) | 2015-12-26 | 2015-12-26 | Nonstandard drill bit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521111256.6U CN205309401U (en) | 2015-12-26 | 2015-12-26 | Nonstandard drill bit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205309401U true CN205309401U (en) | 2016-06-15 |
Family
ID=56198475
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201521111256.6U Expired - Fee Related CN205309401U (en) | 2015-12-26 | 2015-12-26 | Nonstandard drill bit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205309401U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110757601A (en) * | 2019-11-06 | 2020-02-07 | 湖北鑫运祥科技发展有限公司 | V-shaped diamond shank milling cutter and manufacturing method thereof |
| CN110977473A (en) * | 2019-12-24 | 2020-04-10 | 温州文星制笔有限公司 | Pen point automatic processing machine tool |
-
2015
- 2015-12-26 CN CN201521111256.6U patent/CN205309401U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110757601A (en) * | 2019-11-06 | 2020-02-07 | 湖北鑫运祥科技发展有限公司 | V-shaped diamond shank milling cutter and manufacturing method thereof |
| CN110977473A (en) * | 2019-12-24 | 2020-04-10 | 温州文星制笔有限公司 | Pen point automatic processing machine tool |
| CN110977473B (en) * | 2019-12-24 | 2022-08-23 | 温州文星制笔有限公司 | Pen point automatic processing machine tool |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20200109 Address after: 237000 100 meters west of the intersection of Longchi road and Heping Road, Sanshipu Town, Jin'an District, Lu'an City, Anhui Province Patentee after: Anhui yiben Seiko technology Co., Ltd Address before: 237000 Anhui province Lu'an City Jin'an District to undertake industrial transfer from Hanvon road Demonstration Park Patentee before: LIUAN 1BEN PRECISION GEAR CO., LTD. |
|
| 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: 20160615 Termination date: 20201226 |