CN203578863U - Fast match drilling hole center positioning device - Google Patents
Fast match drilling hole center positioning device Download PDFInfo
- Publication number
- CN203578863U CN203578863U CN201320795238.9U CN201320795238U CN203578863U CN 203578863 U CN203578863 U CN 203578863U CN 201320795238 U CN201320795238 U CN 201320795238U CN 203578863 U CN203578863 U CN 203578863U
- Authority
- CN
- China
- Prior art keywords
- center
- cone
- positioning cone
- centralized positioning
- cover 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 - Lifetime
Links
- 238000005553 drilling Methods 0.000 title abstract description 9
- 239000011159 matrix material Substances 0.000 claims description 14
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
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- Earth Drilling (AREA)
Abstract
The utility model relates to a fast match drilling hole center positioning device. The device comprises springs, a movable positioning pin, a center positioning cone and a base body; the center positioning cone has a cylinder shape with a large middle and two small ends; the middle of the center positioning cone and a base body inner hole are in clearance fit; the lower part of the center positioning cone and an inner hole of the movable positioning pin are in clearance fit; the springs are arranged between the upper surface of the movable positioning pin and the lower step surface of the center positioning cone; the lower part of the base body and the upper part of the movable positioning pin are fixed together; the upper part of the center positioning cone penetrates through a through hole of a cover plate at the upper part of the base body and is protruded out of the highest point of the cover plate; the upper part of the center positioning cone and the through hole of the cover plate are in clearance fit; the lower end part of the center positioning cone is conical; the cone sharp point is positioned at the bottommost point of the center positioning cone and is positioned in the central line of the center positioning cone. After the movable positioning pin and a match drilling hole are positioned, the center positioning cone at the center position of the movable positioning pin is used for positioning the center position, so the precise positioning of the center point of the match drilling hole is ensured.
Description
Technical field
The utility model relates to a kind of device boring with quick locating hole center of joining.
Background technology
At present major part is joined and is bored center, positioning parts hole and be center, estimated location hole, and its locating hole center cannot guarantee precision, and central point is easily lost and increased drilling time during boring, has also increased the error coefficient of boring.
Utility model content
For above-mentioned defect, the purpose of this utility model is to provide a kind of device boring with quick locating hole center of joining.
The technical solution of the utility model is: the device at a kind of quick locating hole center, it comprises spring, loose pin, centralized positioning cone, matrix, centralized positioning cone is thin cylindrical in large two ends, middle part, middle part and the matrix endoporus matched in clearance of centralized positioning cone, loose pin is circular sleeve, the bottom of centralized positioning cone and the endoporus matched in clearance of loose pin, between the upper surface of loose pin and the leave from office terrace of centralized positioning cone, be provided with spring, the bottom of matrix and the top of loose pin are fixed together, the top of matrix is provided with cover plate, the center of cover plate is provided with through hole, the top of centralized positioning cone is through the through hole of cover plate the peak of outstanding cover plate, centralized positioning cone top and cover plate through hole are matched in clearance, the bottom of centralized positioning cone is taper, and cone cusp is positioned at centralized positioning cone bottommost and is positioned on the center line of centralized positioning cone.
Described matrix underpart with loose pin top for being threaded.
Technique effect of the present utility model is: behind loose pin and drilling location, then bore centre of location position with the centralized positioning that is positioned at loose pin center, thereby guaranteed the accurate location of drilling central point.
Accompanying drawing explanation
Fig. 1 is the utility model example structure schematic diagram.
The specific embodiment
Below in conjunction with drawings and Examples, the utility model is further illustrated.
Referring to accompanying drawing, the device at a kind of quick locating hole center, it comprises spring 1, loose pin 2, centralized positioning cone 3, matrix 4, centralized positioning cone 3 is thin cylindrical in large two ends, middle part, middle part and the matrix 4 endoporus matched in clearance of centralized positioning cone 3, loose pin 2 is circular sleeve, and loose pin 2 bottoms are inner conical.The bottom of centralized positioning cone 3 and the endoporus matched in clearance of loose pin 2, between the upper surface of loose pin 2 and the leave from office terrace of centralized positioning cone 3, be provided with spring 1, the top of the bottom of matrix 4 and loose pin 2 is threaded connection and is fixed together, the top of matrix 4 is provided with cover plate 5, the center of cover plate 5 is provided with through hole, the top of centralized positioning cone 3 is through the through hole of cover plate 5 upper surface of outstanding cover plate 5, and the through hole that 3 tops and cover plate 5 are bored in centralized positioning is matched in clearance; The bottom of centralized positioning cone 3 is taper, and cone cusp is positioned at centralized positioning and bores 3 bottommosts and be positioned on the center line of centralized positioning cone 3.
During work, by loose pin 2, be stained with into a little ink, loose pin 2 is placed in to drilling, when loose pin 2 is close to workpiece, its ink leaves ink marks, on workpiece, find out after the Position Approximate that needs boring, fixing loose pin 2, knocks gently centralized positioning with hammer and bores 3 tops, thereby found out accurately the central point of drilling.
Claims (2)
1. the device at a quick locating hole center, it is characterized in that, it comprises spring, loose pin, centralized positioning cone, matrix, described centralized positioning cone is thin cylindrical in large two ends, middle part, middle part and the matrix endoporus matched in clearance of centralized positioning cone, loose pin is circular sleeve, the bottom of centralized positioning cone and the endoporus matched in clearance of loose pin, between the upper surface of described loose pin and the leave from office terrace of centralized positioning cone, be provided with spring, the bottom of matrix and the top of loose pin are fixed together, the top of matrix is provided with cover plate, the center of cover plate is provided with through hole, the top of centralized positioning cone is through the through hole of cover plate the peak of outstanding cover plate, centralized positioning cone top and cover plate through hole are matched in clearance, the bottom of centralized positioning cone is taper, and cone cusp is positioned at centralized positioning cone bottommost and is positioned on the center line of centralized positioning cone.
2. the device at a kind of quick locating hole according to claim 1 center, is characterized in that, described matrix underpart with loose pin top for being threaded.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320795238.9U CN203578863U (en) | 2013-12-06 | 2013-12-06 | Fast match drilling hole center positioning device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320795238.9U CN203578863U (en) | 2013-12-06 | 2013-12-06 | Fast match drilling hole center positioning device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203578863U true CN203578863U (en) | 2014-05-07 |
Family
ID=50576836
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320795238.9U Expired - Lifetime CN203578863U (en) | 2013-12-06 | 2013-12-06 | Fast match drilling hole center positioning device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203578863U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104084620A (en) * | 2014-06-11 | 2014-10-08 | 郑州宇通客车股份有限公司 | Drilling assisting device and drilling machine component using same |
| CN105562785A (en) * | 2016-01-27 | 2016-05-11 | 长治清华机械厂 | Drilling apparatus with guide drill bush and reset function |
-
2013
- 2013-12-06 CN CN201320795238.9U patent/CN203578863U/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104084620A (en) * | 2014-06-11 | 2014-10-08 | 郑州宇通客车股份有限公司 | Drilling assisting device and drilling machine component using same |
| CN105562785A (en) * | 2016-01-27 | 2016-05-11 | 长治清华机械厂 | Drilling apparatus with guide drill bush and reset function |
| CN105562785B (en) * | 2016-01-27 | 2018-02-23 | 长治清华机械厂 | Carry and be oriented to drill bushing and the drilling equipment with reset function |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20140507 |