CN201900299U - Rotary drill bushing - Google Patents
Rotary drill bushing Download PDFInfo
- Publication number
- CN201900299U CN201900299U CN2010206983206U CN201020698320U CN201900299U CN 201900299 U CN201900299 U CN 201900299U CN 2010206983206 U CN2010206983206 U CN 2010206983206U CN 201020698320 U CN201020698320 U CN 201020698320U CN 201900299 U CN201900299 U CN 201900299U
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- CN
- China
- Prior art keywords
- drill bushing
- drill
- bushing
- rotary
- roller
- 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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- Processing Of Stones Or Stones Resemblance Materials (AREA)
Abstract
The utility model discloses a rotary drill bushing in the machining of drilling machine parts and solves the problem that the service life of a drill bushing and the service life of a drill bit are short due to wear of the drill bushing and the drill bit in the machining and use process of the parts in the traditional drill bushing. The rotary drill bushing is characterized in that a rotary bushing (4) is additionally arranged in a fixed bushing (2) of the drill bushing; and a roller bush (3) and a roller (5) are arranged between the rotary bush (4) and the fixed bush (2) of the drill bushing. The rotary drill bushing has a simple structure and is simple and convenient to use. In addition, the diameter dimension stabilities of a drilling flat bottom blind hole and a platform step hole are improved and the service life of the drill bushing is prolonged. The rotary drill bushing can be widely applied to various drill jigs and clamps.
Description
One, technical field
The utility model belongs to boring grab, relates in particular to a kind of drill press parts and adds the rotation drill bushing that uses man-hour.
Two, background technology
At present, the drill bushing that uses on the drilling jig gripper during enterprise produces all is fixed.For example: fixing drill bushing, renewable bushing and quick change drill bushing and other forms of inclined-plane boring drill bushing, dell boring drill bushing etc., these drill bushings are wearing and tearing easily all.When the bore diameter dimension precision requirement is higher, be difficult to meet the demands.When particularly boring flat-bottom hole, be difficult to especially meet the demands, have to take repeatedly the method for coping drills to meet the demands (to workman's drill sharpening specification requirement height) as far as possible; Have simply add one the fraising operation.Doing so often needs to drop into more human and material resources, and has prolonged the working time.
Three, summary of the invention
The purpose of this utility model is exactly in order to overcome above-mentioned deficiency, provides a kind of borehole accuracy that can guarantee also can prevent the rotation drill bushing that drill bit is worn.
The technical solution of the utility model is: it comprises parts such as drill bushing fixed head and drill bushing fixed cover, sets up rotary sleeve in the drill bushing fixed cover, and be provided with roller sleeve and roller between described rotary sleeve and drill bushing fixed cover.
The beneficial effects of the utility model are: owing to set up rotary sleeve, solved drill bushing and drill bit well because of wearing and tearing cause short problem in service life, both improved borehole accuracy, the drill sharpening technology to the user can suitably reduce simultaneously.
Four, description of drawings
The utility model is described in further detail below in conjunction with accompanying drawing.
Fig. 1 is the utility model driving device structure schematic diagram.
Among the figure: 1 is the drill bushing fixed head, and 2 is the drill bushing fixed cover, and 3 is the drill bushing roller sleeve, and 4 is rotary sleeve, and 5 is roller.
Five, the specific embodiment
As shown in Figure 1, get metal material and make drill bushing fixed head 1 and drill bushing fixed cover 2, make the hole interference fit on drill bushing fixed cover 2 and the drill bushing fixed head 1.Get metal material simultaneously and make rotary sleeve 4, it is placed in the drill bushing fixed cover 2, and between drill bushing fixed cover 2 and rotary sleeve 4, be provided with drill bushing roller sleeve 3 and roller 5.When implementing the utility model, the drill bit of rotation is inserted rotary sleeve 4, the processing of holing, when drill bit and rotary sleeve 4 frictions, because the rolling action of drill bushing roller sleeve 3 and roller 5, rotary sleeve 4 will rotate and can not produce friction with drill bit, thereby reaches accurate boring and realized the purpose that prolongs the service life of drill bit and drill bushing.
Claims (1)
1. one kind is rotated drill bushing, and it comprises drill bushing fixed head (1) and drill bushing fixed cover (2), it is characterized in that: set up rotary sleeve (4) in drill bushing fixed cover (2), and be provided with roller sleeve (3) and roller (5) between rotary sleeve (4) and drill bushing fixed cover (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010206983206U CN201900299U (en) | 2010-12-26 | 2010-12-26 | Rotary drill bushing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010206983206U CN201900299U (en) | 2010-12-26 | 2010-12-26 | Rotary drill bushing |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201900299U true CN201900299U (en) | 2011-07-20 |
Family
ID=44270902
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010206983206U Expired - Fee Related CN201900299U (en) | 2010-12-26 | 2010-12-26 | Rotary drill bushing |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201900299U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110919876A (en) * | 2019-12-17 | 2020-03-27 | 苏燕芳 | Drilling machine for construction |
-
2010
- 2010-12-26 CN CN2010206983206U patent/CN201900299U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110919876A (en) * | 2019-12-17 | 2020-03-27 | 苏燕芳 | Drilling machine for construction |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110720 Termination date: 20111226 |